/* roulang page: index */
:root {
  --primary: #14504A;
  --primary-soft: #0F7C74;
  --accent: #E07A4F;
  --accent-dark: #C9633E;
  --bg: #F6F4EF;
  --white: #FFFFFF;
  --ink: #17332E;
  --muted: #5E7470;
  --line: #DCE6E1;
  --line-soft: #E5E9E5;
  --footer-bg: #1A2B27;
  --footer-text: #B8C7C3;
  --radius: 14px;
  --radius-card: 16px;
  --radius-block: 24px;
  --shadow: 0 10px 30px rgba(23,51,46,.08);
  --shadow-lg: 0 18px 50px rgba(23,51,46,.14);
  --font: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

main {
  padding-top: 84px;
  overflow: hidden;
}

.container {
  max-width: 1200px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary-soft);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-label::before {
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(28px, 2.8vw, 36px);
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin: 8px 0 0;
}

.section-subtitle {
  color: var(--muted);
  font-size: 16px;
  max-width: 640px;
  margin-top: 12px;
}

.section-head {
  margin-bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
}

.section-head-center {
  text-align: center;
  justify-content: center;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-mark {
  font-size: 29px;
  line-height: 1;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .02em;
}

.brand-sub {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  border-left: 1px solid #BCCBC6;
  padding-left: 12px;
  letter-spacing: .08em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  position: relative;
}

.nav-list a {
  display: inline-block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  padding: 8px 0;
  line-height: 1.2;
  position: relative;
}

.nav-list a::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 3px;
  background: var(--primary-soft);
  transition: width .25s ease;
}

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

.nav-list a:hover::after {
  width: 100%;
}

.nav-list li.active a {
  color: var(--primary);
  font-weight: 700;
}

.nav-list li.active a::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  transform: translateX(-50%);
}

.nav-list li.active a::after {
  width: 100%;
  background: var(--primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 8px 18px rgba(224,122,79,.22);
}

.nav-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(20,80,74,.1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background .2s ease;
}

.nav-toggle .toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 4px;
  background: var(--primary);
  transition: transform .25s ease, opacity .25s ease;
}

.nav-toggle:hover {
  background: rgba(20,80,74,.16);
}

.nav-toggle.open .toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open .toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open .toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn-primary-custom,
.btn-outline-custom,
.btn-light-custom,
.btn-accent-custom,
.btn-white-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 700;
  transition: all .22s ease;
  border: 1px solid transparent;
}

.btn-primary-custom {
  background: var(--primary);
  color: #fff;
}

.btn-primary-custom:hover {
  background: #0F6159;
  transform: translateY(-2px);
  color: #fff;
}

.btn-accent-custom {
  background: var(--accent);
  color: #fff;
}

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

.btn-light-custom {
  background: #fff;
  color: var(--primary);
}

.btn-light-custom:hover {
  background: #E9F2EF;
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline-custom {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-outline-custom:hover {
  border-color: var(--primary-soft);
  color: var(--primary-soft);
  transform: translateY(-2px);
}

.btn-white-custom {
  background: #fff;
  color: var(--accent-dark);
}

.btn-white-custom:hover {
  background: #F9EDE8;
  color: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-soft-dark {
  background: rgba(20,80,74,.14);
  color: #14504A;
  border-color: transparent;
}

.btn-soft-dark:hover {
  background: rgba(20,80,74,.22);
  color: #14504A;
  transform: translateY(-2px);
}

.hero {
  position: relative;
  color: #fff;
  background-color: var(--primary);
  background-image:
    linear-gradient(110deg, rgba(20,80,74,.98) 0%, rgba(20,80,74,.92) 40%, rgba(20,80,74,.68) 63%, rgba(20,80,74,.36) 82%, rgba(20,80,74,.08) 100%),
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 54px;
  align-items: center;
  padding: 110px 0 112px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .08em;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  padding: 6px 14px;
  color: rgba(255,255,255,.9);
  font-weight: 600;
  margin-bottom: 22px;
}

.hero-eyebrow .hero-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #F0B9A2;
  box-shadow: 0 0 0 3px rgba(240,185,162,.25);
}

.hero-title {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 0;
}

.hero-title .hero-line {
  color: #F2C6B0;
}

.hero-subtitle {
  max-width: 530px;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255,255,255,.88);
  margin: 20px 0 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  margin-top: 22px;
}

.hero-hint svg {
  flex-shrink: 0;
}

.entry-stage {
  position: relative;
  display: flex;
  justify-content: flex-end;
  padding-bottom: 18px;
}

.entry-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: var(--radius-block);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  color: var(--ink);
  position: relative;
  transform: translateY(16px);
  z-index: 2;
}

.entry-stage::before {
  content: "";
  position: absolute;
  right: -28px;
  top: -28px;
  width: 180px;
  height: 180px;
  border-radius: 42% 58% 46% 54%;
  background: rgba(224,122,79,.32);
  z-index: 1;
}

.entry-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}

.entry-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15,124,116,.1);
  color: var(--primary-soft);
  font-weight: 700;
  border-radius: 999px;
  padding: 3px 10px;
}

.entry-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0F9F72;
}

.entry-domain-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 18px;
  overflow: hidden;
}

.entry-domain-box .domain-lock {
  color: var(--primary-soft);
  display: inline-flex;
  align-items: center;
}

.entry-domain-box .domain-text {
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .01em;
  white-space: nowrap;
}

.entry-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  margin: 6px 0 8px;
}

.entry-note {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.entry-card .btn-accent-custom {
  width: 100%;
}

.quick-path-section {
  background: var(--bg);
}

.quick-path-list {
  display: grid;
  gap: 12px;
}

.quick-path-item {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  transition: box-shadow .25s ease, transform .25s ease;
  position: relative;
  overflow: hidden;
}

.quick-path-item::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 2px;
  border-radius: 4px 4px 0 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}

.quick-path-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.quick-path-item:hover::after {
  transform: scaleX(1);
}

.quick-path-link {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 24px;
  min-height: 88px;
  padding: 18px 26px;
}

.path-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  opacity: .45;
  font-variant-numeric: tabular-nums;
  letter-spacing: .03em;
}

.path-text h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 4px;
}

.path-text p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

.path-arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
  justify-self: end;
}

.quick-path-item:hover .path-arrow {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateX(5px);
}

.ability-section {
  background: #fff;
}

.ability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 76px;
  align-items: center;
}

.ability-media {
  position: relative;
  padding-right: 48px;
}

.ability-media .media-main {
  width: calc(100% - 46px);
  border-radius: 24px;
  object-fit: cover;
  aspect-ratio: 1 / 1.08;
  box-shadow: var(--shadow);
}

.ability-media .media-float {
  position: absolute;
  right: 0;
  bottom: -12px;
  width: 42%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 18px;
  border: 6px solid #fff;
  box-shadow: var(--shadow-lg);
}

.ability-copy .section-subtitle {
  font-size: 16px;
}

.ability-feature-list {
  margin: 28px 0 36px;
  display: grid;
  gap: 22px;
}

.ability-feature {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(15,124,116,.1);
  color: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ability-feature h3 {
  font-size: 18px;
  font-weight: 750;
  margin: 0 0 4px;
  color: var(--ink);
}

.ability-feature p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.8;
}

.news-section {
  background: var(--bg);
}

.news-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-soft);
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
  transition: border-color .2s ease, color .2s ease;
  white-space: nowrap;
}

.news-more-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.news-list {
  display: grid;
  gap: 14px;
}

.news-card {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 24px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  align-items: center;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}

.news-card:hover {
  box-shadow: var(--shadow);
  border-color: #CAD9D3;
  transform: translateY(-2px);
}

.news-date {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .04em;
  line-height: 1.5;
}

.news-body {
  min-width: 0;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(224,122,79,.1);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 3px 12px;
  line-height: 1.6;
}

.news-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-title a {
  color: inherit;
  transition: color .2s ease;
}

.news-title a:hover {
  color: var(--primary-soft);
}

.news-summary {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-readmore {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s ease, color .2s ease;
}

.news-card:hover .news-readmore {
  gap: 10px;
  color: var(--primary);
}

.empty-list {
  background: rgba(255,255,255,.7);
  border: 1px dashed #C4D3CE;
  border-radius: var(--radius-card);
  padding: 46px 20px;
  text-align: center;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid #C4D3CE;
  position: relative;
}

.empty-circle::before,
.empty-circle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: #C4D3CE;
}

.empty-circle::before {
  width: 16px;
  height: 2px;
}

.empty-circle::after {
  width: 2px;
  height: 16px;
}

.data-strip {
  background: var(--primary);
  color: #fff;
  padding: 82px 0;
}

.data-strip .section-label {
  color: #E7C3B0;
}

.data-strip .section-label::before {
  background: #F2C6B0;
}

.data-strip-title {
  color: #fff;
  margin-top: 6px;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  margin-top: 54px;
}

.data-card {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid rgba(255,255,255,.18);
}

.data-card::before {
  content: "";
  display: block;
  width: 16px;
  height: 1px;
  background: #F2C6B0;
  margin-bottom: 12px;
}

.data-value {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  letter-spacing: .02em;
  color: #fff;
}

.data-desc {
  color: rgba(255,255,255,.78);
  font-size: 14px;
  margin: 8px 0 0;
}

.faq-section {
  background: #fff;
}

.custom-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.custom-accordion .accordion-item {
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card) !important;
  overflow: hidden;
  transition: box-shadow .25s ease, border-color .25s ease;
}

.custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: #D5C7B7;
  box-shadow: none;
}

.custom-accordion .accordion-button {
  background: transparent;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  padding: 21px 28px;
  box-shadow: none;
  border-radius: 0 !important;
  border: none;
  position: relative;
  transition: color .2s ease;
}

.custom-accordion .accordion-button::after {
  background-image: none;
  content: "+";
  width: 28px;
  height: 28px;
  background: rgba(15,124,116,.1);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 400;
  color: var(--primary-soft);
  transform: none;
  transition: transform .25s ease, background .25s ease;
}

.custom-accordion .accordion-button:not(.collapsed)::after {
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: transparent;
  color: var(--primary);
  box-shadow: none;
}

.custom-accordion .accordion-button:not(.collapsed)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.custom-accordion .accordion-button:hover {
  color: var(--primary-soft);
}

.custom-accordion .accordion-body {
  padding: 0 28px 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.custom-accordion .accordion-collapse {
  border-radius: 0;
}

.cta-section {
  background: var(--accent);
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  top: -160px;
  right: -100px;
}

.cta-section::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 40% 60% 42% 58%;
  background: rgba(255,255,255,.08);
  left: -80px;
  bottom: -120px;
  transform: rotate(20deg);
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.cta-title {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.45;
  color: #fff;
  margin: 0;
}

.cta-text {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,.9);
  margin: 16px 0 32px;
}

.cta-btn-group {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .7fr .9fr;
  gap: 60px;
  padding-bottom: 52px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer-brand .brand-mark {
  color: #fff;
  font-size: 32px;
}

.footer-brand .brand-sub {
  color: rgba(255,255,255,.8);
  border-left-color: rgba(255,255,255,.25);
}

.footer-about {
  color: #AABDB8;
  font-size: 14px;
  line-height: 1.9;
  max-width: 300px;
  margin: 0;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  margin: 0 0 20px;
}

.footer-menu {
  display: grid;
  gap: 10px;
}

.footer-menu a,
.footer-info li {
  color: #B8C7C3;
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-menu a:hover {
  color: #fff;
  padding-left: 4px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,.65);
}

.skip-link {
  position: fixed;
  top: -50px;
  left: 12px;
  z-index: 2000;
  background: var(--primary);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 12px;
  color: #fff;
}

@media (max-width: 1199.98px) {
  .hero-inner {
    grid-template-columns: 1fr .9fr;
    gap: 24px;
  }

  .ability-grid {
    grid-template-columns: .9fr 1.1fr;
    gap: 40px;
  }
}

@media (max-width: 991.98px) {
  main {
    padding-top: 76px;
  }

  .header-inner {
    height: 76px;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 16px;
    right: 16px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1100;
  }

  .site-nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .site-nav .nav-list {
    order: 2;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav .nav-list a {
    display: block;
    padding: 13px 2px;
    font-size: 16px;
    width: 100%;
  }

  .site-nav .nav-list a::after {
    display: none;
  }

  .site-nav .nav-list a::before {
    display: none !important;
  }

  .site-nav .nav-list li.active a {
    color: var(--primary);
    background: rgba(20,80,74,.05);
    border-radius: 10px;
    padding-left: 12px;
  }

  .nav-cta {
    order: 1;
    margin-bottom: 10px;
    color: #fff !important;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .section {
    padding: 72px 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 84px 0 104px;
    gap: 40px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .entry-stage {
    justify-content: flex-start;
    padding-bottom: 0;
  }

  .entry-card {
    max-width: 420px;
    transform: none;
  }

  .entry-stage::before {
    right: auto;
    left: 36%;
    top: -24px;
    opacity: .6;
  }

  .ability-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .ability-media {
    max-width: 520px;
  }

  .news-card {
    grid-template-columns: 104px minmax(0, 1fr);
    padding: 20px;
    gap: 16px;
  }

  .data-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 38px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px 40px;
  }
}

@media (max-width: 575.98px) {
  body {
    font-size: 15px;
  }

  .section {
    padding: 56px 0;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    font-size: 25px;
  }

  .brand-sub {
    font-size: 11px;
    padding-left: 8px;
  }

  .hero-inner {
    padding: 64px 0 80px;
    gap: 30px;
  }

  .hero-title {
    font-size: clamp(30px, 9vw, 42px);
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .btn-primary-custom,
  .hero-actions .btn-outline-custom {
    width: 100%;
  }

  .section-title {
    font-size: 26px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .quick-path-link {
    grid-template-columns: 42px minmax(0, 1fr) 38px;
    gap: 12px;
    min-height: 72px;
    padding: 14px 14px;
  }

  .path-text h3 {
    font-size: 16px;
  }

  .path-arrow {
    width: 34px;
    height: 34px;
  }

  .ability-media {
    padding-right: 20px;
  }

  .ability-media .media-main {
    width: 100%;
  }

  .ability-media .media-float {
    width: 46%;
    bottom: -10px;
    right: -8px;
  }

  .news-card {
    display: block;
  }

  .news-date {
    display: inline-block;
    font-size: 12px;
    padding: 4px 12px;
    margin-bottom: 12px;
  }

  .news-meta {
    display: block;
    margin-bottom: 8px;
  }

  .news-tag {
    margin-bottom: 6px;
  }

  .news-title {
    font-size: 17px;
    white-space: normal;
  }

  .cta-btn-group .btn-white-custom,
  .cta-btn-group .btn-soft-dark {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }

  .data-strip {
    padding: 60px 0;
  }

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

  .data-card {
    padding-left: 12px;
  }

  .data-desc {
    font-size: 13px;
  }

  .custom-accordion .accordion-button {
    padding: 17px 18px;
    font-size: 15px;
  }

  .custom-accordion .accordion-body {
    padding: 0 18px 18px;
    font-size: 14px;
  }
}

/* roulang page: category1 */
:root{
  --primary:#14504A;
  --primary-dark:#0F6159;
  --accent:#0F7C74;
  --accent-soft:#E3ECE8;
  --clay:#E07A4F;
  --clay-dark:#C9633E;
  --bg:#F6F4EF;
  --cardbg:#FFFFFF;
  --ink:#17332E;
  --muted:#5C726C;
  --line:#DCE6E1;
  --line2:#E5E9E5;
  --radius:14px;
  --radius-lg:16px;
  --radius-xl:24px;
  --shadow-sm:0 4px 14px rgba(23,51,46,.05);
  --shadow-md:0 10px 30px rgba(23,51,46,.08);
  --shadow-card:0 18px 50px rgba(23,51,46,.14);
  --gap:96px;
}
*,
*::before,
*::after{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  text-decoration:none;
  color:inherit;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
a:hover{
  color:inherit;
}
p{
  margin:0 0 1rem;
}
ul,ol{
  margin-bottom:0;
  padding-left:0;
  list-style:none;
}
button{
  font:inherit;
  border:0;
}
.container{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
  width:100%;
}
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible{
  outline:2px solid var(--clay);
  outline-offset:3px;
  border-radius:4px;
}

/* header */
.site-header{
  position:sticky;
  top:0;
  left:0;
  right:0;
  z-index:1080;
  height:76px;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.home-header{
  height:84px;
}
.header-inner{
  display:flex;
  height:100%;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:flex;
  align-items:flex-end;
  gap:8px;
  line-height:1;
  flex:0 0 auto;
}
.brand-mark{
  font-size:32px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.5px;
}
.brand-sub{
  font-size:12px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.02em;
  padding-bottom:4px;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-list{
  display:flex;
  gap:28px;
  margin:0;
  padding:0;
}
.nav-list a{
  position:relative;
  display:block;
  padding:6px 2px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-list a:hover::after,
.nav-list li.active a::after{
  transform:scaleX(1);
}
.nav-list li.active a{
  color:var(--primary);
  font-weight:700;
}
.nav-list li.active a::before{
  content:"";
  position:absolute;
  top:-4px;
  left:50%;
  width:6px;
  height:6px;
  margin-left:-3px;
  border-radius:50%;
  background:var(--primary);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 20px;
  background:var(--clay);
  border-radius:10px;
  color:#fff;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
}
.nav-cta:hover{
  background:var(--clay-dark);
  color:#fff;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  background:#E7EFEB;
  border:1px solid #D6E0DC;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.toggle-line{
  display:block;
  width:19px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}

/* footer */
.site-footer{
  background:#1A2B27;
  color:#B8C7C3;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.1fr;
  gap:60px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand{
  display:flex;
  align-items:flex-end;
  gap:8px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  color:#fff;
}
.footer-brand .brand-sub{
  color:#AFC3BE;
}
.footer-about{
  font-size:14px;
  color:#9AADA8;
  line-height:1.9;
  margin:0;
  max-width:360px;
}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin:6px 0 18px;
}
.footer-menu{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-menu a{
  color:#B8C7C3;
  font-size:15px;
}
.footer-menu a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-contact{
  margin:0;
}
.footer-contact li{
  display:flex;
  gap:8px;
  color:#A8BAB5;
  font-size:14px;
  margin-bottom:8px;
}
.footer-bottom{
  padding-top:22px;
  text-align:center;
  font-size:13px;
  color:#82948F;
}
.footer-bottom p{
  margin:0;
}

/* buttons */
.btn{
  border-radius:12px;
  padding:11px 22px;
  font-weight:600;
  border:1px solid transparent;
  transition:all .22s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn-sm{
  padding:8px 16px;
  font-size:14px;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.btn-primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.btn-clay{
  background:var(--clay);
  color:#fff;
  border-color:var(--clay);
}
.btn-clay:hover{
  background:var(--clay-dark);
  border-color:var(--clay-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.btn-ghost{
  background:#fff;
  color:var(--primary);
  border-color:var(--line);
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}
.btn-white{
  background:#fff;
  color:var(--clay-dark);
  border-color:#fff;
}
.btn-white:hover{
  background:#F6F4EF;
  border-color:#F6F4EF;
  color:var(--primary);
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}

/* page hero */
.page-hero{
  position:relative;
  padding:68px 0 82px;
  background:var(--bg);
  overflow:hidden;
}
.hero-bg-layer{
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-2.webp") no-repeat center 32%;
  background-size:cover;
  opacity:.15;
  pointer-events:none;
}
.page-hero .container{
  position:relative;
  z-index:2;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent-soft);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:22px;
}
.hero-copy h1{
  font-size:clamp(36px,4vw,50px);
  line-height:1.18;
  font-weight:750;
  color:var(--primary);
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-copy .lead{
  font-size:18px;
  line-height:1.9;
  color:var(--muted);
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-visual{
  position:relative;
  display:flex;
  justify-content:flex-end;
}
.entry-show{
  background:#fff;
  border-radius:24px;
  box-shadow:var(--shadow-card);
  padding:12px;
  transform:translateY(18px);
  max-width:520px;
  width:100%;
  border:1px solid #EDF0ED;
}
.entry-show-img{
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:4/3;
  background:#E9EAE6;
}
.entry-show-img img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.entry-show-foot{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 10px 8px;
  color:var(--muted);
  font-size:13px;
  letter-spacing:.04em;
}
.entry-show-foot .arrow{
  font-size:18px;
  color:var(--clay);
  font-weight:700;
  line-height:1;
}

/* sections */
.section{
  padding:96px 0;
}
.section-tight{
  padding:72px 0;
}
.bg-white{
  background:#fff;
}
.bg-soft{
  background:var(--bg);
}
.section-head{
  max-width:820px;
  margin-bottom:44px;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  color:var(--accent);
  font-weight:600;
  font-size:13px;
  letter-spacing:.08em;
  margin-bottom:8px;
}
.section-head h2{
  font-size:clamp(27px,3vw,34px);
  font-weight:750;
  color:var(--ink);
  line-height:1.35;
  letter-spacing:-.01em;
  margin-bottom:12px;
}
.section-head p{
  color:var(--muted);
  font-size:16px;
  max-width:680px;
  margin-bottom:0;
}

/* media split */
.media-row{
  margin-bottom:56px;
}
.media-row:last-child{
  margin-bottom:0;
}
.media-visual{
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  background:#E9EAE6;
}
.media-visual img{
  width:100%;
  height:100%;
  min-height:310px;
  object-fit:cover;
}
.media-content{
  padding:6px 0;
}
.media-content .media-label{
  display:inline-flex;
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  letter-spacing:.05em;
  margin-bottom:10px;
}
.media-content h3{
  font-size:24px;
  font-weight:750;
  color:var(--ink);
  line-height:1.4;
  margin-bottom:18px;
}
.media-content p{
  color:var(--muted);
  margin-bottom:16px;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:8px 0;
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{
  border-bottom:0;
}
.check-ic{
  flex:0 0 26px;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:700;
  margin-top:5px;
}
.check-list strong{
  display:block;
  color:var(--ink);
  font-weight:650;
}
.check-list span{
  color:var(--muted);
  font-size:15px;
}

/* service table */
.table-shell{
  background:#fff;
  border:1px solid var(--line2);
  border-radius:16px;
  overflow:auto;
  box-shadow:var(--shadow-sm);
}
.service-table{
  width:100%;
  min-width:680px;
  border-collapse:separate;
  border-spacing:0;
}
.service-table thead th{
  background:var(--primary);
  color:#fff;
  padding:16px 20px;
  font-weight:600;
  font-size:15px;
  text-align:left;
  white-space:nowrap;
}
.service-table thead th:first-child{
  border-top-left-radius:15px;
}
.service-table thead th:last-child{
  border-top-right-radius:15px;
}
.service-table tbody th,
.service-table tbody td{
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  font-size:15px;
  vertical-align:top;
  background:#fff;
}
.service-table tbody tr:last-child td{
  border-bottom:0;
}
.service-table tbody tr:hover td{
  background:#F3F7F5;
}
.service-table .service-name{
  font-weight:700;
  color:var(--primary);
  white-space:nowrap;
}
.service-table .service-object{
  color:var(--muted);
  white-space:nowrap;
}

/* steps */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line2);
  border-radius:16px;
  padding:28px 22px 22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{
  border-color:var(--line);
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
}
.step-num{
  display:inline-flex;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--primary);
  font-weight:800;
  font-size:18px;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
}
.step-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:10px;
}
.step-card p{
  font-size:14px;
  color:var(--muted);
  margin-bottom:0;
  line-height:1.75;
}

/* stats */
.stat-band{
  background:var(--primary);
  border-radius:24px;
  padding:54px 44px;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-item{
  border-left:1px solid rgba(255,255,255,.15);
  padding-left:26px;
}
.stat-item .stat-num{
  font-size:38px;
  font-weight:800;
  color:#fff;
  font-family:"Arial",sans-serif;
  line-height:1.3;
  letter-spacing:.01em;
}
.stat-item .stat-label{
  color:#B9D3CD;
  font-size:14px;
  margin-top:6px;
}

/* faq */
.faq-layout{
  max-width:920px;
  margin:0 auto;
}
.faq-accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line2);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--clay);
}
.faq-accordion .accordion-button{
  background:#fff;
  box-shadow:none;
  border:0;
  padding:20px 24px;
  font-size:17px;
  font-weight:650;
  color:var(--ink);
  line-height:1.6;
  border-radius:0;
}
.faq-accordion .accordion-button:hover{
  color:var(--primary);
}
.faq-accordion .accordion-button::after{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2314504A'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.faq-accordion .accordion-button:not(.collapsed){
  background:#fff;
  box-shadow:none;
  color:var(--primary);
}
.faq-accordion .accordion-body{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.faq-accordion .accordion-body p:last-child{
  margin-bottom:0;
}

/* cta */
.cta-section{
  padding:24px 0 90px;
}
.cta-band{
  background:var(--clay);
  border-radius:24px;
  text-align:center;
  padding:66px 32px;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(26px,3vw,34px);
  font-weight:750;
  margin-bottom:14px;
}
.cta-band p{
  color:#FFF1EA;
  font-size:16px;
  max-width:560px;
  margin:0 auto 28px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
}

@media(max-width:991.98px){
  .nav-toggle{
    display:flex;
  }
  .site-nav{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:20px;
    right:20px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    box-shadow:var(--shadow-md);
    padding:18px;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
  }
  .site-nav.open{
    display:flex;
  }
  .nav-list{
    flex-direction:column;
    gap:6px;
  }
  .nav-list a{
    padding:12px 14px;
    border-radius:10px;
    background:#F7F9F7;
  }
  .nav-list li.active a{
    background:var(--accent-soft);
  }
  .nav-list a::before,
  .nav-list a::after{
    display:none;
  }
  .nav-cta{
    margin-top:4px;
    justify-content:center;
  }
  .page-hero{
    padding-top:46px;
  }
  .hero-visual{
    justify-content:flex-start;
    margin-top:14px;
  }
  .entry-show{
    transform:none;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:40px;
  }
}
@media(max-width:768px){
  .section{
    padding:72px 0;
  }
  .page-hero{
    padding:38px 0 58px;
  }
  .hero-copy h1{
    font-size:clamp(34px,6.4vw,42px);
  }
  .steps-grid{
    grid-template-columns:repeat(2,1fr);
    gap:14px;
  }
  .stats-grid,
  .stat-grid{
    grid-template-columns:repeat(2,1fr);
    gap:18px;
  }
  .stat-band{
    padding:44px 24px;
  }
  .stat-item{
    padding-left:16px;
  }
  .stat-item .stat-num{
    font-size:30px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
}
@media(max-width:575.98px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .site-header{
    height:70px;
  }
  .brand-sub{
    display:none;
  }
  .nav-cta{
    padding:11px 14px;
  }
  .page-hero{
    padding:30px 0 44px;
  }
  .hero-copy .lead{
    font-size:16px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .steps-grid{
    grid-template-columns:1fr;
  }
  .section,
  .section-tight{
    padding:56px 0;
  }
  .section-head h2{
    font-size:27px;
  }
  .media-content h3{
    font-size:21px;
  }
  .table-shell{
    border-radius:12px;
  }
  .service-table thead th,
  .service-table tbody td{
    padding:14px 15px;
  }
  .stat-band{
    border-radius:16px;
  }
  .stat-item .stat-num{
    font-size:27px;
  }
  .cta-section{
    padding-bottom:44px;
  }
  .cta-band{
    padding:48px 20px;
    border-radius:16px;
  }
  .cta-actions .btn{
    width:100%;
  }
}

/* roulang page: article */
:root {
            --green-900: #14504A;
            --green-800: #0F7C74;
            --green-700: #0A5C55;
            --terracotta: #E07A4F;
            --terracotta-dark: #C9633E;
            --bg: #F6F4EF;
            --white: #FFFFFF;
            --ink: #17332E;
            --muted: #62756F;
            --border: #DCE6E1;
            --line: #E5E9E5;
            --radius-s: 10px;
            --radius-m: 14px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 8px 20px rgba(23, 51, 46, .06);
            --shadow-md: 0 18px 50px rgba(23, 51, 46, .12);
            --font: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html,
        body {
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        a:hover {
            color: var(--green-800);
        }

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

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

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-weight: 700;
            line-height: 1.35;
            color: var(--ink);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 880px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            width: 100%;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .home-header {
            height: 84px;
        }

        .inner-header {
            height: 76px;
        }

        .header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

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

        .brand-mark {
            font-weight: 800;
            font-size: 30px;
            letter-spacing: .06em;
            color: var(--green-900);
            line-height: 1;
        }

        .brand-sub {
            font-size: 12px;
            font-weight: 600;
            color: var(--green-900);
            border-left: 1px solid rgba(20, 80, 74, .3);
            padding-left: 12px;
            line-height: 1.4;
            letter-spacing: .02em;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-list li {
            position: relative;
            padding-top: 6px;
        }

        .nav-list li.active::before {
            content: "";
            position: absolute;
            left: 50%;
            top: -8px;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green-900);
        }

        .nav-list li.active a {
            color: var(--green-900);
            font-weight: 600;
        }

        .nav-list a {
            position: relative;
            display: inline-block;
            padding: 6px 0;
            color: var(--ink);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: .01em;
        }

        .nav-list a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            height: 2px;
            width: 0;
            background: var(--green-800);
            border-radius: 2px;
            transition: width .25s ease;
        }

        .nav-list a:hover::after {
            width: 100%;
        }

        .nav-list a:hover {
            color: var(--green-800);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--terracotta);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            height: 38px;
            padding: 0 22px;
            border-radius: var(--radius-s);
            white-space: nowrap;
            box-shadow: 0 6px 16px rgba(224, 122, 79, .25);
        }

        .nav-cta:hover {
            background: var(--terracotta-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(224, 122, 79, .3);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(20, 80, 74, .08);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border: 1px solid rgba(20, 80, 74, .1);
        }

        .nav-toggle .toggle-line {
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--green-900);
            transition: all .25s ease;
        }

        .site-header.nav-open .nav-toggle .toggle-line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .site-header.nav-open .nav-toggle .toggle-line:nth-child(2) {
            opacity: 0;
        }

        .site-header.nav-open .nav-toggle .toggle-line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Article page */
        .article-top {
            padding: 44px 0 28px;
            background: var(--bg);
            border-bottom: 1px solid transparent;
        }

        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 26px;
        }

        .breadcrumb-nav a {
            display: inline-flex;
            align-items: center;
            color: var(--muted);
            transition: color .2s ease;
        }

        .breadcrumb-nav a:hover {
            color: var(--green-800);
        }

        .breadcrumb-nav .crumb-div {
            display: inline-block;
            width: 14px;
            height: 14px;
            position: relative;
            opacity: .5;
        }

        .breadcrumb-nav .crumb-div::before {
            content: "/";
            position: absolute;
            left: 3px;
            top: -2px;
            font-size: 13px;
            color: var(--muted);
        }

        .breadcrumb-nav .crumb-current {
            color: var(--ink);
            font-weight: 500;
            max-width: 420px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-head {
            max-width: 860px;
        }

        .article-head h1 {
            font-size: clamp(28px, 3.4vw, 40px);
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--muted);
        }

        .article-meta .badge {
            display: inline-flex;
            align-items: center;
            background: rgba(20, 80, 74, .1);
            color: var(--green-900);
            font-weight: 600;
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 30px;
        }

        .article-meta .meta-split {
            color: rgba(23, 51, 46, .25);
            margin: 0 2px;
        }

        .article-meta time {
            color: var(--ink);
            font-weight: 500;
        }

        .article-main {
            padding: 0 0 28px;
            background: var(--bg);
        }

        .article-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: 0 10px 28px rgba(23, 51, 46, .05);
            padding: 48px 56px 40px;
            margin-bottom: 40px;
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 2;
            color: #203B36;
        }

        .article-content p {
            margin: 0 0 1.6em;
            text-align: left;
        }

        .article-content h2 {
            font-size: 28px;
            line-height: 1.4;
            margin: 48px 0 18px;
            padding-left: 14px;
            border-left: 4px solid var(--green-800);
            border-radius: 2px;
        }

        .article-content h3 {
            font-size: 22px;
            margin: 34px 0 14px;
        }

        .article-content ul {
            margin: 0 0 1.8em;
            padding: 0 0 0 22px;
            list-style: disc;
        }

        .article-content ul li {
            margin-bottom: 8px;
        }

        .article-content ol {
            margin: 0 0 1.8em;
            padding: 0 0 0 22px;
            list-style: decimal;
        }

        .article-content ol li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            margin: 28px 0;
            padding: 14px 22px;
            background: rgba(20, 80, 74, .05);
            border-left: 4px solid var(--green-900);
            border-radius: 0 12px 12px 0;
            color: var(--muted);
        }

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

        .article-content img {
            border-radius: 16px;
            margin: 28px auto;
        }

        .article-content a {
            color: var(--green-800);
            border-bottom: 1px solid rgba(15, 124, 116, .4);
        }

        .article-content a:hover {
            color: var(--terracotta);
            border-color: var(--terracotta);
        }

        .article-bottom {
            display: flex;
            justify-content: center;
            padding-top: 28px;
            margin-top: 18px;
            border-top: 1px solid var(--line);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--white);
            color: var(--green-900);
            border: 1px solid var(--border);
            border-radius: 10px;
            height: 44px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: none;
        }

        .btn-outline:hover {
            color: var(--green-800);
            border-color: var(--green-800);
            transform: translateY(-1px);
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--green-900);
            color: #fff;
            border: none;
            border-radius: 10px;
            height: 46px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 8px 18px rgba(20, 80, 74, .2);
        }

        .btn-primary-custom:hover {
            background: var(--green-700);
            color: #fff;
            transform: translateY(-2px);
        }

        .not-found-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            text-align: center;
            padding: 72px 32px;
            margin: 16px 0 40px;
        }

        .not-found-icon {
            display: block;
            width: 52px;
            height: 52px;
            margin: 0 auto 20px;
            border: 2px solid rgba(20, 80, 74, .3);
            border-radius: 50%;
            position: relative;
        }

        .not-found-icon::before,
        .not-found-icon::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            height: 2px;
            background: rgba(20, 80, 74, .25);
            border-radius: 2px;
        }

        .not-found-icon::before {
            top: 17px;
        }

        .not-found-icon::after {
            bottom: 17px;
        }

        .not-found-card h1 {
            font-size: 30px;
            margin-bottom: 10px;
        }

        .not-found-card p {
            color: var(--muted);
            margin-bottom: 24px;
        }

        /* Related section */
        .related-section {
            padding: 20px 0 40px;
            background: var(--bg);
        }

        .section-caption {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: .1em;
            color: var(--terracotta);
            font-weight: 600;
            text-transform: uppercase;
        }

        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(23, 51, 46, .05);
            padding: 44px;
            margin-top: 18px;
        }

        .related-card .related-title-h2 {
            font-size: 24px;
            margin: 6px 0 24px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 340px 1fr;
            gap: 40px;
            align-items: stretch;
        }

        .related-media {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            min-height: 240px;
            background: rgba(20, 80, 74, .08);
        }

        .related-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-caption {
            position: absolute;
            left: 14px;
            bottom: 14px;
            background: rgba(20, 80, 74, .86);
            color: #fff;
            font-size: 12px;
            padding: 6px 12px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
            letter-spacing: .03em;
        }

        .related-list {
            display: flex;
            flex-direction: column;
        }

        .related-list li {
            border-bottom: 1px solid var(--line);
        }

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

        .related-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 14px 8px;
            border-radius: 12px;
            transition: background .2s ease, transform .2s ease;
        }

        .related-item:hover {
            background: rgba(246, 244, 239, .7);
            transform: translateX(4px);
        }

        .related-item-main {
            flex: 1;
            min-width: 0;
        }

        .related-item-title {
            display: block;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            margin-bottom: 2px;
        }

        .related-item-desc {
            display: block;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.6;
            max-width: 560px;
        }

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

        .related-time {
            font-size: 13px;
            color: #97A8A2;
            min-width: 64px;
            text-align: right;
        }

        .related-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(20, 80, 74, .08);
            color: var(--green-900);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all .2s ease;
        }

        .related-item:hover .related-arrow {
            background: var(--terracotta);
            color: #fff;
            transform: translateX(4px);
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(105deg, rgba(20, 80, 74, .97), rgba(20, 80, 74, .86)), url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            padding: 68px 0;
            margin-top: 20px;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            color: #fff;
            font-size: 26px;
            margin-bottom: 8px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            margin: 0;
        }

        .cta-btn-grid {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--green-900);
            font-weight: 600;
            font-size: 15px;
            height: 46px;
            padding: 0 28px;
            border-radius: 10px;
            box-shadow: 0 10px 24px rgba(0, 0, 0, .12);
        }

        .btn-cta-white:hover {
            color: var(--terracotta-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 0, 0, .16);
        }

        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .55);
            font-weight: 600;
            font-size: 15px;
            height: 46px;
            padding: 0 28px;
            border-radius: 10px;
        }

        .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
        }

        :focus-visible {
            outline: 2px solid var(--terracotta);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Footer */
        .site-footer {
            background: #1A2B27;
            color: #B8C7C3;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-mark {
            color: #fff;
            font-size: 26px;
        }

        .footer-brand .brand-sub {
            color: #AEC7C1;
            border-left-color: rgba(255, 255, 255, .25);
            font-size: 11px;
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.9;
            color: #A9BBB5;
            max-width: 420px;
            margin: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }

        .footer-menu {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-menu a {
            color: #A9BBB5;
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-menu a:hover {
            color: var(--terracotta);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
            color: #A9BBB5;
            line-height: 1.8;
        }

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

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: #8CA29B;
        }

        @media (max-width: 1199.98px) {
            .related-grid {
                grid-template-columns: 300px 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 991.98px) {
            .home-header,
            .inner-header {
                height: 72px;
            }

            .nav-toggle {
                display: flex;
            }

            .site-nav {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 14px);
                left: 16px;
                right: 16px;
                background: var(--white);
                border: 1px solid var(--border);
                border-radius: 16px;
                box-shadow: 0 18px 45px rgba(23, 51, 46, .18);
                padding: 16px;
                gap: 0;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
            }

            .site-header.nav-open .site-nav {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .site-nav .nav-list {
                order: 2;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding-top: 12px;
                border-top: 1px solid var(--line);
                margin-top: 12px;
            }

            .site-nav .nav-list li {
                width: 100%;
                padding: 0;
            }

            .site-nav .nav-list li.active::before {
                display: none;
            }

            .site-nav .nav-list li.active a {
                color: var(--green-800);
            }

            .site-nav .nav-list a {
                display: block;
                width: 100%;
                padding: 10px 12px;
                border-radius: 10px;
            }

            .site-nav .nav-list a::after {
                display: none;
            }

            .site-nav .nav-list a:hover {
                background: rgba(20, 80, 74, .06);
            }

            .nav-cta {
                order: 1;
                width: 100%;
                height: 44px;
            }

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

            .related-media {
                min-height: 220px;
                max-height: 260px;
            }

            .related-media img {
                width: 100%;
                height: 220px;
                object-fit: cover;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding: 0 18px;
            }

            .article-top {
                padding: 36px 0 22px;
            }

            .article-card {
                padding: 34px 24px 30px;
                border-radius: 16px;
            }

            .article-content {
                font-size: 16px;
            }

            .related-section {
                padding: 24px 0 36px;
            }

            .related-card {
                padding: 28px 20px;
            }

            .related-title-h2 {
                font-size: 22px;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-text h2 {
                font-size: 23px;
            }

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

            .btn-cta-white,
            .btn-cta-ghost {
                flex: 1;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

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

        @media (max-width: 575.98px) {
            body {
                font-size: 15px;
            }

            .brand-mark {
                font-size: 26px;
            }

            .brand-sub {
                font-size: 11px;
            }

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

            .footer-bottom {
                padding: 20px 12px;
            }

            .article-card {
                padding: 26px 18px 24px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.9;
            }

            .article-content h2 {
                font-size: 23px;
            }

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

            .cta-btn-grid {
                flex-direction: column;
            }

            .not-found-card {
                padding: 48px 18px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #14504A;
  --primary-dark: #0F6159;
  --primary-2: #0F7C74;
  --accent: #E07A4F;
  --accent-dark: #C9633E;
  --bg: #F6F4EF;
  --ink: #17332E;
  --muted: #5C6F6A;
  --line: #DCE6E1;
  --card-bg: #FFFFFF;
  --footer-bg: #1A2B27;
  --footer-text: #B8C7C3;
  --radius: 14px;
  --radius-card: 16px;
  --radius-hero: 24px;
  --shadow-card: 0 10px 30px rgba(23, 51, 46, .08);
  --shadow-hero: 0 18px 50px rgba(23, 51, 46, .14);
  --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  word-break: break-word;
}

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

a:hover {
  color: inherit;
}

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

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
  border: 0;
  background: none;
}

.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 750;
  line-height: 1.35;
}

h1 {
  font-size: clamp(32px, 4.2vw, 52px);
}

h2 {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.35;
}

h3 {
  font-size: 20px;
  line-height: 1.5;
}

p {
  margin: 0;
}

a:focus-visible,
button:focus-visible,
.accordion-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
  box-shadow: none !important;
}

.skip-link {
  position: fixed;
  left: -9999px;
  top: 0;
  z-index: 2000;
  background: var(--primary);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 12px 0;
  font-size: 14px;
}

.skip-link:focus {
  left: 0;
}

.site-main {
  padding-top: 76px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1;
  border: 1px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn i {
  margin-left: 8px;
}

.btn-brand {
  background: var(--primary);
  color: #fff;
}

.btn-brand:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(20, 80, 74, .22);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(224, 122, 79, .24);
}

.btn-ghost {
  background: #fff;
  color: var(--primary);
  border-color: #cbd8d3;
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--primary);
}

.btn-light:hover {
  background: #f1f1ee;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(23, 51, 46, .12);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1090;
  height: 76px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 16px;
}

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

.brand-mark {
  font-size: 22px;
  line-height: 1;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  letter-spacing: 1px;
}

.brand-sub {
  font-size: 12px;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: .5px;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 24px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-list li {
  position: relative;
}

.nav-list a {
  position: relative;
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  padding: 8px 0;
  transition: color .2s;
}

.nav-list a:hover {
  color: var(--primary-2);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary-2);
  transition: width .25s;
}

.nav-list a:hover::after {
  width: 100%;
}

.nav-list .active a {
  color: var(--primary);
  font-weight: 700;
}

.nav-list .active a::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.nav-list .active a::after {
  width: 0;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 650;
  height: 40px;
  padding: 0 20px;
  flex-shrink: 0;
  transition: all .25s;
}

.nav-cta:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(20, 80, 74, .09);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
  cursor: pointer;
  transition: background .2s;
}

.nav-toggle:hover {
  background: rgba(20, 80, 74, .16);
}

.nav-toggle .toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all .3s;
}

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-2);
}

.section-tag::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-head p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 16px;
}

.category-hero {
  position: relative;
  overflow: hidden;
  padding: 68px 0 72px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(246, 244, 239, .98) 64%, rgba(246, 244, 239, .82)),
    linear-gradient(0deg, rgba(246, 244, 239, .88), rgba(246, 244, 239, .88)),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}

.category-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}

.breadcrumb-nav a {
  color: var(--muted);
  transition: color .2s;
}

.breadcrumb-nav a:hover {
  color: var(--primary);
}

.breadcrumb-nav .sep {
  color: #b3c2bd;
}

.hero-eyebrow {
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-2);
  letter-spacing: .5px;
}

.category-hero h1 {
  color: var(--ink);
  margin-bottom: 20px;
}

.hero-lead {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.topic-section {
  background: var(--bg);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.topic-card-main {
  grid-column: span 7;
}

.topic-card-side {
  grid-column: span 5;
}

.topic-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow .3s ease, transform .3s ease;
}

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

.topic-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.topic-card-main img {
  height: 260px;
}

.topic-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
  padding: 24px;
}

.topic-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 650;
  color: var(--primary);
  background: rgba(20, 80, 74, .09);
}

.topic-card:nth-child(2) .topic-badge {
  color: var(--accent-dark);
  background: rgba(224, 122, 79, .13);
}

.topic-body p {
  color: var(--muted);
  font-size: 15px;
}

.text-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  transition: gap .25s, color .2s;
}

.text-link i {
  transition: transform .25s;
}

.text-link:hover {
  color: var(--primary-2);
  gap: 11px;
}

.topic-strip {
  margin-top: 24px;
  grid-column: span 12;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 26px 28px;
  border-radius: var(--radius-card);
  background: #e5eeea;
  border-left: 4px solid var(--primary);
}

.topic-strip-icon {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.topic-strip h3 {
  font-size: 18px;
  margin-bottom: 2px;
}

.topic-strip p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.split-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.split-wrap {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 56px;
}

.split-copy h2 {
  margin-bottom: 16px;
}

.split-copy>p {
  color: var(--muted);
  margin-bottom: 28px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.check-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.check-list .check-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 8px;
  background: rgba(20, 80, 74, .12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-top: 5px;
}

.check-list h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.check-list p {
  color: var(--muted);
  font-size: 15px;
}

.split-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.split-media img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.process-section {
  background: var(--bg);
}

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

.process-step {
  position: relative;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: box-shadow .3s, transform .3s;
}

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

.process-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
  line-height: 1;
}

.process-step h3 {
  margin-bottom: 8px;
}

.process-step p {
  color: var(--muted);
  font-size: 14px;
}

.trust-section {
  background: var(--primary);
  padding: 76px 0;
}

.trust-section .section-head p {
  color: rgba(255, 255, 255, .76);
}

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

.trust-section .section-head .section-tag {
  color: #FFD8C7;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.trust-item {
  border-top: 1px solid rgba(255, 255, 255, .22);
  padding-top: 22px;
}

.trust-item strong {
  display: block;
  color: #fff;
  font-size: 18px;
  margin-bottom: 8px;
}

.trust-item p {
  color: #b9cec9;
  font-size: 14px;
  margin: 0;
}

.faq-section {
  background: var(--bg);
  padding: 96px 0;
}

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

.faq-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 16px;
  background: #fff;
  box-shadow: none;
}

.faq-accordion .accordion-button {
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  padding: 22px 24px;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  border-left: 4px solid transparent;
  transition: color .2s, border-color .2s, background .2s;
}

.faq-accordion .accordion-button:hover {
  color: var(--primary);
  background: #fcfaf7;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: #fff;
  color: var(--primary);
  border-left-color: var(--accent);
  box-shadow: none;
}

.faq-accordion .accordion-button::after {
  background-image: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f078";
  color: var(--primary);
  font-size: 14px;
  width: auto;
  height: auto;
  transition: transform .3s;
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}

.faq-accordion .accordion-body {
  padding: 0 24px 24px;
  color: var(--muted);
  font-size: 15px;
}

.cta-section {
  background: var(--accent);
  padding: 72px 0;
}

.cta-inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: #fff;
  margin-bottom: 12px;
}

.cta-inner p {
  color: rgba(255, 255, 255, .9);
  margin-bottom: 28px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding-top: 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .8fr 1fr;
  gap: 48px;
  padding-bottom: 42px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .brand-mark {
  background: var(--primary-2);
}

.footer-brand .brand-sub {
  color: #fff;
}

.footer-about {
  margin-top: 16px;
  font-size: 14px;
  max-width: 390px;
  color: #9db8b2;
}

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

.footer-menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-menu a {
  color: #c9d9d5;
  font-size: 14px;
  transition: color .2s;
}

.footer-menu a:hover {
  color: #fff;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: #b8c7c3;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #8fa6a0;
  margin: 0;
}

@media (max-width: 991.98px) {
  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 16px;
    right: 16px;
    width: auto;
    margin-left: 0;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(23, 51, 46, .16);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.open .toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.open .toggle-line:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open .toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-list li {
    margin: 0;
  }

  .nav-list a {
    display: block;
    padding: 10px 14px;
    border-radius: 10px;
  }

  .nav-list a:hover {
    background: rgba(20, 80, 74, .06);
  }

  .nav-list .active a::before {
    display: none;
  }

  .nav-cta {
    order: -1;
    margin-left: 0;
    margin-bottom: 14px;
    width: 100%;
  }

  .section {
    padding: 72px 0;
  }

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

  .split-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .split-copy {
    order: 1;
  }

  .split-media {
    order: 2;
  }

  .split-media img {
    height: 360px;
  }

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

@media (max-width: 767.98px) {
  .site-main {
    padding-top: 72px;
  }

  .site-header,
  .header-inner {
    height: 72px;
  }

  .header-inner {
    gap: 8px;
  }

  .brand-sub {
    display: none;
  }

  .brand-mark {
    font-size: 20px;
    padding: 7px 10px;
  }

  .category-hero {
    padding: 52px 0 56px;
  }

  .section {
    padding: 56px 0;
  }

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

  .topic-card-main,
  .topic-card-side {
    grid-column: span 12;
  }

  .topic-card img,
  .topic-card-main img {
    height: 220px;
  }

  .topic-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .trust-grid,
  .process-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

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

  .footer-bottom p {
    line-height: 1.7;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .process-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .process-step {
    padding: 22px 20px;
  }

  .process-num {
    font-size: 24px;
  }

  .topic-card img,
  .topic-card-main img {
    height: 190px;
  }

  .topic-strip {
    padding: 22px;
  }

  .check-list li {
    gap: 12px;
  }

  .split-media img {
    height: 260px;
  }

  .footer-grid {
    gap: 24px;
  }

  .footer-about {
    max-width: 100%;
  }
}

/* roulang page: category3 */
:root {
  --pine: #14504A;
  --brand: #0F7C74;
  --clay: #E07A4F;
  --clay-dark: #C9633E;
  --bg: #F6F4EF;
  --white: #FFFFFF;
  --text: #17332E;
  --muted: #5C736D;
  --border: #DCE6E1;
  --card-border: #E5E9E5;
  --footer-bg: #1A2B27;
  --footer-text: #B8C7C3;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 16px;
  --r-xl: 24px;
  --shadow-sm: 0 6px 20px rgba(23, 51, 46, 0.06);
  --shadow-lg: 0 18px 50px rgba(23, 51, 46, 0.14);
  --font-scale: 16px;
  --font: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--font-scale);
  line-height: 1.8;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
p {
  margin: 0 0 1rem;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
img {
  max-width: 100%;
  display: block;
}
button {
  border: none;
  font-family: inherit;
  background: transparent;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
  margin-left: auto;
  margin-right: auto;
}
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
  border-radius: 6px;
}
.section {
  padding-top: 72px;
  padding-bottom: 72px;
}
.section-head {
  max-width: 820px;
  margin-bottom: 44px;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--brand);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 34px);
  margin-bottom: 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  height: 76px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
  line-height: 1.2;
}
.brand-mark {
  font-size: 27px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--pine);
}
.brand-sub {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: 0.04em;
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-list li {
  position: relative;
}
.nav-list a {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  padding: 10px 2px 8px;
  position: relative;
  letter-spacing: 0.02em;
}
.nav-list a:hover {
  color: var(--brand);
}
.nav-list a:hover::after,
.nav-list li.active a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}
.nav-list li.active a {
  color: var(--pine);
}
.nav-list li.active::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clay);
  transform: translateX(-50%);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clay);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--r-sm);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--clay-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(224, 122, 79, 0.24);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #EDEAE3;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}
.toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Page hero */
.page-hero {
  background: linear-gradient(135deg, #F0EFE8 0%, var(--bg) 70%);
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb-shell {
  margin-bottom: 36px;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb-list li + li::before {
  content: "/";
  color: #B4C6C0;
  font-weight: 300;
}
.breadcrumb-list a {
  color: var(--brand);
  font-weight: 600;
}
.breadcrumb-list a:hover {
  color: var(--clay);
}
.breadcrumb-list li[aria-current="page"] {
  color: var(--pine);
  font-weight: 600;
}
.page-hero-content {
  max-width: 980px;
}
.page-hero-content h1 {
  font-size: clamp(32px, 4.8vw, 52px);
  color: var(--pine);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.page-hero-content .hero-lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 820px;
  margin-bottom: 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--r-sm);
  padding: 11px 24px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.5;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.btn-pine {
  background: var(--pine);
  color: #fff;
}
.btn-pine:hover {
  background: #0F6159;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(20, 80, 74, 0.2);
}
.btn-clay {
  background: var(--clay);
  color: #fff;
}
.btn-clay:hover {
  background: var(--clay-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(224, 122, 79, 0.24);
}
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--pine);
}
.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(15, 124, 116, 0.04);
}

/* Help catalog */
.help-section {
  background: var(--bg);
}
.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.help-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  min-height: 156px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}
.help-row::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--clay);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.help-row:hover {
  box-shadow: 0 10px 30px rgba(23, 51, 46, 0.08);
  transform: translateY(-3px);
  border-color: transparent;
}
.help-row:hover::after {
  transform: scaleX(1);
}
.help-index {
  font-size: 13px;
  font-weight: 700;
  color: var(--clay);
  background: rgba(224, 122, 79, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 4px;
}
.help-row-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--pine);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.help-row-text {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.75;
}
.help-row-arrow {
  margin-left: auto;
  color: var(--brand);
  font-size: 18px;
  align-self: center;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.help-row:hover .help-row-arrow {
  transform: translateX(5px);
  color: var(--clay);
}

/* Guide section */
.guide-section {
  background: #F0EFE8;
}
.guide-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  align-items: center;
}
.guide-media {
  position: relative;
}
.guide-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-xl);
  box-shadow: 0 18px 50px rgba(23, 51, 46, 0.12);
}
.guide-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: var(--pine);
  color: #fff;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 18px rgba(20, 80, 74, 0.28);
}
.guide-copy h2 {
  font-size: clamp(24px, 2.8vw, 32px);
  margin-bottom: 16px;
  line-height: 1.35;
}
.guide-copy .lead {
  color: var(--muted);
  font-size: 16px;
}
.guide-list {
  margin-top: 24px;
  margin-bottom: 26px;
}
.guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  border-bottom: 1px dashed var(--border);
}
.guide-list li:last-child {
  border-bottom: none;
}
.guide-list .icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(15, 124, 116, 0.12);
  color: var(--brand);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 7px;
}
.guide-caption {
  font-size: 13px;
  color: var(--muted);
  border-left: 3px solid var(--clay);
  padding-left: 14px;
  margin-top: 20px;
}

/* Process section */
.process-section {
  background: var(--bg);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.process-card {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  position: relative;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.process-card:hover {
  box-shadow: 0 10px 30px rgba(23, 51, 46, 0.08);
  transform: translateY(-4px);
}
.process-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--white);
  background: var(--pine);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.process-card:nth-child(2n) .process-num {
  background: var(--clay);
}
.process-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--pine);
}
.process-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}
.process-tip {
  background: #EDEAE3;
  border-radius: var(--r-md);
  padding: 18px 22px;
  font-size: 14px;
  color: var(--muted);
  margin-top: 28px;
  border-left: 3px solid var(--clay);
  line-height: 1.8;
}
.process-tip strong {
  color: var(--pine);
}

/* FAQ section */
.faq-section {
  background: #F0EFE8;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: 46px;
  align-items: start;
}
.faq-intro-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 28px;
  border: 1px solid var(--card-border);
  position: sticky;
  top: 100px;
  box-shadow: var(--shadow-sm);
}
.faq-intro-card h3 {
  font-size: 21px;
  color: var(--pine);
  margin-bottom: 12px;
}
.faq-intro-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 18px;
}
.faq-intro-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
}
.faq-intro-link:hover {
  color: var(--clay);
}
.faq-intro-link i {
  font-size: 12px;
  margin-left: auto;
}
.faq-accordion {
  display: block;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--r-md);
  margin-bottom: 14px;
  border-left: 4px solid transparent;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-left-color: var(--clay);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  background: transparent;
  cursor: pointer;
}
.faq-question:hover {
  color: var(--brand);
}
.faq-question i {
  color: var(--brand);
  font-size: 13px;
  flex-shrink: 0;
  transition: transform 0.25s ease, color 0.25s ease;
}
.faq-question:not(.collapsed) {
  color: var(--pine);
}
.faq-question:not(.collapsed) i {
  transform: rotate(180deg);
  color: var(--clay);
}
.faq-answer {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
  border-top: 1px solid #EDEAE3;
  margin: 0 4px;
}
.faq-answer p {
  margin: 16px 0 0;
}

/* CTA */
.cta-section {
  background: var(--bg);
  padding-top: 40px;
  padding-bottom: 80px;
}
.cta-box {
  background: var(--clay);
  border-radius: var(--r-xl);
  padding: 58px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}
.cta-box::after {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -120px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(20, 80, 74, 0.12);
}
.cta-box h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 36px);
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.92);
  max-width: 640px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
}
.cta-buttons {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.btn-white-solid {
  background: #fff;
  color: var(--pine);
  border: 1px solid #fff;
}
.btn-white-solid:hover {
  background: var(--pine);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(20, 80, 74, 0.22);
}
.btn-white-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.8);
}
.btn-white-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  transform: translateY(-2px);
}

/* Footer */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding-top: 64px;
  padding-bottom: 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1fr;
  gap: 48px;
  margin-bottom: 44px;
}
.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 14px;
}
.footer-brand .brand-mark {
  color: #fff;
  font-size: 25px;
}
.footer-brand .brand-sub {
  color: var(--footer-text);
}
.footer-about {
  font-size: 14px;
  line-height: 1.85;
  color: var(--footer-text);
  max-width: 380px;
  margin: 0;
}
.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-menu a {
  font-size: 14px;
  color: var(--footer-text);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-menu a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  padding-left: 0;
}
.footer-contact li {
  color: var(--footer-text);
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: var(--footer-text);
  letter-spacing: 0.03em;
}
.footer-bottom a {
  color: var(--footer-text);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer-bottom a:hover {
  color: #fff;
}
@media (max-width: 1199px) and (min-width: 993px) {
  .nav-list {
    gap: 18px;
  }
  .header-inner {
    gap: 16px;
  }
  .help-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 992px) {
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .nav-toggle {
    display: inline-flex;
    margin-left: 10px;
  }
  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 24px;
    right: 24px;
    margin-left: 0;
    background: var(--white);
    border-radius: var(--r-lg);
    box-shadow: 0 18px 50px rgba(23, 51, 46, 0.16);
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    gap: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.22s ease;
    border: 1px solid var(--card-border);
    z-index: 1090;
  }
  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-list li {
    border-bottom: 1px solid #F0EFE8;
  }
  .nav-list li:last-child {
    border-bottom: none;
  }
  .nav-list a {
    display: block;
    padding: 12px 12px;
    font-size: 16px;
  }
  .nav-list li.active a::after {
    left: 0;
    width: 32px;
  }
  .nav-list li.active::before {
    top: 16px;
    left: 4px;
  }
  .nav-cta {
    margin-top: 14px;
    justify-content: center;
    width: 100%;
  }
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .faq-intro-card {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .page-hero {
    padding: 48px 0 44px;
  }
  .page-hero-content h1 {
    font-size: clamp(30px, 7vw, 42px);
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .help-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .faq-question {
    font-size: 15px;
  }
  .cta-box {
    padding: 42px 24px;
    border-radius: var(--r-lg);
  }
  .cta-buttons .btn {
    width: 100%;
  }
}
@media (max-width: 576px) {
  .brand-mark {
    font-size: 24px;
  }
  .brand-sub {
    font-size: 11px;
  }
  .header-inner {
    gap: 10px;
  }
  .nav-cta {
    margin-top: 10px;
  }
  .section-head {
    margin-bottom: 30px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .help-row {
    flex-wrap: wrap;
    padding: 18px;
  }
  .help-row-arrow {
    position: absolute;
    right: 16px;
    top: 22px;
  }
  .help-row-title {
    font-size: 16px;
  }
  .guide-media img {
    border-radius: var(--r-lg);
  }
  .guide-badge {
    padding: 5px 12px;
    font-size: 12px;
  }
  .guide-copy h2 {
    font-size: 23px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .page-hero-content .hero-lead {
    font-size: 16px;
  }
}

/* roulang page: category4 */
:root{
  --pine:#14504A;
  --teal:#0F7C74;
  --clay:#E07A4F;
  --clay-dark:#C9633E;
  --bg:#F6F4EF;
  --white:#ffffff;
  --text:#17332E;
  --text-soft:#5E746F;
  --line:#DCE6E1;
  --border-soft:#E5E9E5;
  --dark:#1A2B27;
  --footer-text:#B8C7C3;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:16px;
  --radius-xl:24px;
  --shadow-soft:0 10px 30px rgba(23,51,46,.08);
  --shadow-lift:0 18px 50px rgba(23,51,46,.14);
}

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

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

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

a{
  color:inherit;
  text-decoration:none;
  transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}

ul,li{
  margin:0;
  padding:0;
}

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

.container{
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

a:focus-visible,
.btn:focus-visible,
.nav-toggle:focus-visible,
.accordion-button:focus-visible,
.support-row:focus-visible{
  outline:2px solid var(--clay);
  outline-offset:2px;
  box-shadow:none;
}

section [id]{
  scroll-margin-top:90px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:12px;
  padding:12px 26px;
  font-weight:600;
  font-size:15px;
  line-height:1.5;
  border:1px solid transparent;
  transition:all .22s ease;
  white-space:nowrap;
}

.btn-pine{
  background:var(--pine);
  color:#fff;
  border-color:var(--pine);
}

.btn-pine:hover{
  background:#0F6159;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(20,80,74,.2);
}

.btn-accent{
  background:var(--clay);
  color:#fff;
  border-color:var(--clay);
}

.btn-accent:hover{
  background:var(--clay-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(224,122,79,.26);
}

.btn-outline{
  background:transparent;
  color:var(--text);
  border:1px solid #B9C9C3;
}

.btn-outline:hover{
  color:var(--teal);
  border-color:var(--teal);
  background:rgba(15,124,116,.04);
}

.btn-white{
  background:#fff;
  color:var(--pine);
  border-color:#fff;
}

.btn-white:hover{
  background:#F0F6F4;
  color:var(--pine);
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(20,80,74,.18);
}

.btn-ghost-light{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.7);
}

.btn-ghost-light:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:#fff;
  transform:translateY(-2px);
}

/* ===== 页面头与导航 ===== */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1050;
  height:76px;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}

.header-inner{
  display:flex;
  height:76px;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

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

.brand-mark{
  font-size:28px;
  font-weight:800;
  color:var(--pine);
  line-height:1;
  letter-spacing:-.03em;
}

.brand-sub{
  font-size:12px;
  font-weight:600;
  color:var(--teal);
  line-height:1.3;
  white-space:nowrap;
}

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

.nav-list{
  display:flex;
  align-items:center;
  gap:28px;
  list-style:none;
}

.nav-list a{
  position:relative;
  display:inline-block;
  padding:12px 2px 8px;
  font-weight:600;
  color:var(--text);
  font-size:15px;
}

.nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:2px;
  background:var(--teal);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}

.nav-list a:hover{
  color:var(--teal);
}

.nav-list a:hover::after{
  transform:scaleX(1);
}

.nav-list li.active a{
  color:var(--pine);
}

.nav-list li.active a::after{
  transform:scaleX(1);
  background:var(--pine);
}

.nav-list li.active a::before{
  content:"";
  position:absolute;
  top:-8px;
  left:50%;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--clay);
  transform:translateX(-50%);
}

.nav-cta{
  margin-left:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 22px;
  border-radius:10px;
  background:var(--clay);
  color:#fff !important;
  font-weight:600;
  font-size:15px;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}

.nav-cta:hover{
  background:var(--clay-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(224,122,79,.24);
}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  background:#ECE7DE;
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}

.toggle-line{
  width:18px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  display:block;
  transition:transform .25s ease,opacity .25s ease;
}

.nav-toggle.is-open .toggle-line:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .toggle-line:nth-child(2){
  opacity:0;
}

.nav-toggle.is-open .toggle-line:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}

/* ===== 页面首屏 ===== */
.page-hero{
  position:relative;
  padding:130px 0 64px;
  background-image:
    linear-gradient(90deg,#F6F4EF 0%,rgba(246,244,239,.96) 52%,rgba(246,244,239,.86) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}

.page-hero .container{
  position:relative;
  z-index:2;
}

.breadcrumbs{
  font-size:13px;
  color:var(--text-soft);
  margin-bottom:16px;
  letter-spacing:.02em;
}

.breadcrumbs a{
  color:var(--teal);
}

.breadcrumbs a:hover{
  color:var(--pine);
}

.breadcrumbs span{
  margin:0 8px;
  color:#9BAEAA;
}

.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:700;
  color:var(--clay);
  letter-spacing:.08em;
  margin-bottom:10px;
}

.hero-tag i{
  font-size:12px;
}

.hero-title{
  font-size:clamp(34px,4.6vw,52px);
  line-height:1.18;
  font-weight:750;
  color:var(--pine);
  margin:4px 0 18px;
  letter-spacing:-.02em;
  max-width:620px;
}

.hero-desc{
  font-size:17px;
  color:var(--text-soft);
  max-width:620px;
  margin-bottom:30px;
}

.hero-buttons{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

/* ===== 区块与标题 ===== */
.section{
  padding:96px 0;
}

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

.section-head{
  max-width:760px;
  margin-bottom:48px;
}

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

.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--clay);
  letter-spacing:.08em;
  margin-bottom:10px;
}

.section-eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--clay);
  border-radius:2px;
  flex:none;
}

.text-center .section-eyebrow{
  justify-content:center;
}

.section-title{
  font-size:clamp(26px,3vw,34px);
  color:var(--pine);
  line-height:1.35;
  font-weight:750;
  margin:0 0 12px;
  letter-spacing:-.02em;
}

.section-sub{
  color:var(--text-soft);
  font-size:16px;
  margin:0;
}

/* ===== 关于简介 ===== */
.about-split{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:64px;
  align-items:center;
}

.about-copy .section-head{
  margin-bottom:20px;
}

.about-intro-text{
  color:var(--text-soft);
  margin:0 0 24px;
}

.about-list{
  list-style:none;
  padding:0;
  margin:0;
}

.about-list li{
  position:relative;
  padding:12px 0 12px 32px;
  border-bottom:1px dashed var(--line);
  color:var(--text);
  font-weight:500;
}

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

.about-list li i{
  position:absolute;
  left:0;
  top:16px;
  color:var(--teal);
  font-size:14px;
  width:22px;
  height:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#E8F1EE;
  border-radius:50%;
  font-size:12px;
}

.media-figure{
  position:relative;
}

.media-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lift);
  border:1px solid rgba(255,255,255,.8);
}

.media-caption{
  margin-top:14px;
  font-size:13px;
  color:var(--text-soft);
  text-align:center;
}

/* ===== 路径步骤 ===== */
.path-list{
  max-width:900px;
  margin:0 auto;
  display:grid;
  gap:22px;
  list-style:none;
}

.path-item{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:24px;
  align-items:center;
  background:var(--white);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
  padding:24px 30px;
  transition:box-shadow .25s ease,border-color .25s ease;
}

.path-item:hover{
  border-color:#B7D2CB;
  box-shadow:var(--shadow-soft);
}

.path-icon{
  width:68px;
  height:68px;
  border-radius:20px;
  background:var(--pine);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.02em;
  box-shadow:0 10px 24px rgba(20,80,74,.2);
}

.path-item h3{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  margin:0 0 4px;
}

.path-item p{
  margin:0;
  color:var(--text-soft);
  font-size:15px;
}

.path-arrow{
  display:flex;
  justify-content:center;
  margin-top:14px;
}

.path-arrow span{
  width:34px;
  height:34px;
  border-radius:50%;
  background:#E9F2EF;
  color:var(--teal);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

/* ===== 支持体系 ===== */
.support-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:72px;
  align-items:center;
}

.support-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lift);
}

.support-rows{
  display:grid;
  gap:16px;
}

.support-row{
  display:grid;
  grid-template-columns:58px 1fr 34px;
  gap:18px;
  align-items:center;
  background:var(--white);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-md);
  padding:18px 20px;
  transition:all .24s ease;
}

.support-row:hover{
  border-color:#AECFC6;
  box-shadow:var(--shadow-soft);
  transform:translateY(-2px);
}

.support-row:hover .support-arrow{
  background:#E8F1EE;
  color:var(--pine);
  transform:translateX(4px);
}

.row-no{
  width:48px;
  height:48px;
  border-radius:14px;
  background:#F1EBE3;
  color:var(--clay);
  font-weight:800;
  font-size:15px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.support-row strong{
  display:block;
  font-size:16px;
  font-weight:700;
  color:var(--text);
}

.support-row small{
  display:block;
  color:var(--text-soft);
  font-size:13px;
}

.support-arrow{
  width:30px;
  height:30px;
  border-radius:50%;
  background:#F1F4F1;
  color:var(--teal);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all .22s ease;
  font-size:12px;
}

/* ===== 数据带 ===== */
.stats-band{
  background:var(--pine);
  color:#fff;
  padding:80px 0;
}

.stats-wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}

.stat-item{
  padding-left:2px;
}

.stat-item::before{
  content:"";
  display:block;
  width:44px;
  height:2px;
  background:#D7E6E1;
  margin-bottom:18px;
}

.stat-number{
  font-size:44px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
}

.stat-number small{
  font-size:22px;
  font-weight:700;
}

.stat-label{
  margin-top:8px;
  color:#C8DDD7;
  font-size:14px;
}

/* ===== FAQ ===== */
.faq-wrap{
  max-width:850px;
  margin:0 auto;
}

.accordion-item{
  background:var(--white);
  border:1px solid var(--border-soft);
  border-radius:14px;
  margin-bottom:16px;
  overflow:hidden;
}

.accordion-button{
  background:var(--white);
  box-shadow:none;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  padding-right:64px;
  position:relative;
}

.accordion-button::after{
  display:none !important;
}

.accordion-button:not(.collapsed){
  color:var(--pine);
  background:var(--white);
  box-shadow:inset 3px 0 0 var(--clay);
}

.accordion-button:hover{
  background:#F9F8F4;
}

.accordion-button:not(.collapsed):hover{
  background:#F9F8F4;
}

.accordion-icon{
  position:absolute;
  right:18px;
  top:50%;
  transform:translateY(-50%);
  width:30px;
  height:30px;
  border-radius:9px;
  background:#F1ECE4;
  color:var(--clay);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:all .25s ease;
}

.accordion-button:not(.collapsed) .accordion-icon{
  transform:translateY(-50%) rotate(180deg);
  background:var(--clay);
  color:#fff;
}

.accordion-body{
  padding:6px 26px 22px;
  color:var(--text-soft);
  border-left:3px solid var(--clay);
}

.accordion-body p{
  margin:0;
}

/* ===== CTA ===== */
.cta-section{
  background:var(--clay);
  color:#fff;
  padding:80px 0;
  text-align:center;
}

.cta-title{
  font-size:clamp(27px,3vw,38px);
  font-weight:750;
  margin:0 0 12px;
  color:#fff;
  letter-spacing:-.02em;
}

.cta-sub{
  max-width:620px;
  margin:0 auto 28px;
  color:#FFF3EE;
  font-size:16px;
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:var(--footer-text);
  padding:70px 0 0;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .8fr 1fr;
  gap:56px;
  padding-bottom:50px;
}

.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}

.footer-brand .brand-mark{
  color:#ffffff;
}

.footer-brand .brand-sub{
  color:#A7C6BE;
}

.footer-about{
  font-size:14px;
  line-height:1.9;
  margin:0;
  max-width:360px;
  color:#9EB3AD;
}

.footer-title{
  font-size:16px;
  color:#ffffff;
  font-weight:700;
  margin:0 0 18px;
}

.footer-menu{
  display:grid;
  gap:10px;
}

.footer-menu a{
  color:var(--footer-text);
  font-size:14px;
}

.footer-menu a:hover{
  color:#fff;
}

.footer-contact{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:10px;
  font-size:14px;
  color:var(--footer-text);
}

.footer-contact li{
  position:relative;
  padding-left:22px;
}

.footer-contact li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--clay);
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  text-align:center;
  font-size:13px;
  color:#7F9B95;
}

.footer-bottom p{
  margin:0;
}

/* ===== 响应式 ===== */
@media (max-width:991.98px){
  .nav-toggle{
    display:flex;
  }

  .site-nav{
    position:fixed;
    top:76px;
    left:12px;
    right:12px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    background:var(--white);
    border-radius:16px;
    padding:10px 12px 14px;
    box-shadow:0 18px 46px rgba(23,51,46,.18);
    border:1px solid var(--line);
  }

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

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }

  .nav-list a{
    display:block;
    padding:12px 10px;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }

  .nav-list li.active a::before{
    display:none;
  }

  .nav-list a::after{
    display:none;
  }

  .nav-cta{
    margin-left:0;
    margin-top:14px;
    justify-content:center;
  }

  .section{
    padding:72px 0;
  }

  .about-split{
    grid-template-columns:1fr;
    gap:36px;
  }

  .support-grid{
    grid-template-columns:1fr;
    gap:44px;
  }

  .stats-wrap{
    grid-template-columns:repeat(2,1fr);
    gap:36px 24px;
  }

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

  .footer-brand-col{
    grid-column:span 2;
  }
}

@media (max-width:767.98px){
  .page-hero{
    padding:116px 0 48px;
  }

  .hero-title{
    font-size:clamp(30px,6vw,42px);
  }

  .section{
    padding:56px 0;
  }

  .section-head{
    margin-bottom:36px;
  }

  .about-split{
    gap:30px;
  }

  .path-item{
    grid-template-columns:1fr;
    gap:16px;
    padding:20px;
  }

  .path-icon{
    width:56px;
    height:56px;
    border-radius:16px;
    font-size:17px;
  }

  .support-grid{
    gap:32px;
  }

  .footer-grid{
    grid-template-columns:1fr;
    gap:36px;
  }

  .footer-brand-col{
    grid-column:span 1;
  }
}

@media (max-width:575.98px){
  .container{
    padding-left:20px;
    padding-right:20px;
  }

  .page-hero{
    padding:108px 0 42px;
  }

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

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

  .section-title{
    font-size:24px;
  }

  .support-row{
    grid-template-columns:48px 1fr 30px;
    gap:14px;
    padding:16px 14px;
  }

  .row-no{
    width:42px;
    height:42px;
  }

  .support-row small{
    font-size:12px;
  }

  .stats-wrap{
    grid-template-columns:1fr;
  }

  .accordion-button{
    font-size:15px;
    padding-left:18px;
    padding-right:54px;
  }

  .accordion-icon{
    right:14px;
  }

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

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

  .nav-cta{
    width:100%;
  }
}