/* roulang page: index */
:root {
  --brand: #0B5C4A;
  --brand-light: #3E9E83;
  --brand-bright: #5DBB9D;
  --brand-accent: #D9A441;
  --brand-mist: #E9F2F0;
  --bg-soft: #F4F9F7;
  --bg-solid: #FFFFFF;
  --text-strong: #112A25;
  --text-body: #2F3D3A;
  --text-muted: #67807A;
  --text-subtle: #9AAEA8;
  --hairline: rgba(16, 48, 43, 0.1);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 8px;
  --card-shadow: 0 2px 8px rgba(13, 72, 62, 0.04), 0 10px 25px -15px rgba(13, 72, 62, 0.06);
  --card-shadow-hover: 0 8px 25px -6px rgba(13, 72, 62, 0.12), 0 18px 30px -16px rgba(13, 72, 62, 0.1);
  --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei V2", "Source Han Sans SC", "Noto Sans CJK", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button,
input,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.5;
}

[id] {
  scroll-margin-top: 128px;
}

.container {
  width: min(1280px, 100% - 2rem);
  margin-inline: auto;
}

@media (min-width: 768px) {
  .container {
    width: min(1280px, 100% - 4rem);
  }
}

.hidden {
  display: none !important;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--brand);
  text-transform: uppercase;
  background: var(--brand-mist);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
}

.section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 30px;
  padding: 0 0.65rem;
  font-weight: 700;
  font-size: 13px;
  color: var(--brand);
  border: 1px solid rgba(11, 92, 74, 0.14);
  border-radius: 999px;
  background: #fff;
}

.section-title {
  font-size: clamp(1.65rem, 2.4vw + 1rem, 2.4rem);
  line-height: 1.2;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: -0.02em;
  margin-top: 0.35rem;
}

.section-lead {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 560px;
}

/* Banner background helper */
.media-fallback {
  background: linear-gradient(135deg, #E9F2F0, #d7e8e2);
  min-height: 100px;
}

/* ========= Header & Nav ========= */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--hairline);
}

.topbar {
  background: #073f36;
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  line-height: 36px;
  padding: 0 1.25rem;
}

.topbar-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0 1.5rem;
  width: min(1280px, 100%);
  margin-inline: auto;
}

.topbar-links {
  display: flex;
  gap: 1rem;
}

.topbar-links a {
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.2s;
}

.topbar-links a:hover,
.topbar-links a:focus-visible {
  color: #fff;
  outline: none;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  width: min(1280px, 100% - 2rem);
  margin-inline: auto;
  height: 76px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  box-shadow: 0 10px 18px -10px rgba(11, 92, 74, 0.75);
  position: relative;
}

.logo-mark svg {
  width: 24px;
  height: 24px;
}

.logo-mark::after {
  content: '';
  position: absolute;
  right: 6px;
  top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-accent);
}

.logo-text {
  line-height: 1.15;
}

.logo-sup {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand-light);
}

.logo-main {
  display: block;
  font-size: 21px;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: -0.02em;
}

.seg-nav {
  display: none;
  align-items: center;
  gap: 4px;
  background: #EFF5F3;
  border-radius: 999px;
  padding: 4px;
}

.seg-nav .tab-link {
  border-radius: 999px;
  padding: 0.55rem 1.15rem;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-body);
  white-space: nowrap;
  transition: background .2s, color .2s, box-shadow .2s;
}

.seg-nav .tab-link:hover {
  background: rgba(255, 255, 255, 0.65);
  color: var(--brand);
}

.seg-nav .tab-link.active {
  background: #fff;
  color: var(--brand);
  box-shadow: 0 4px 12px rgba(13, 72, 62, 0.08);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  font-size: 15px;
}

.nav-cta {
  display: none;
  padding: 0.55rem 1.1rem;
  background: var(--brand);
  color: #fff;
  white-space: nowrap;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--brand-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px -8px rgba(11, 92, 74, 0.4);
}

.mobile-trigger {
  border-radius: 999px;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
  background: #fff;
  cursor: pointer;
}

.mobile-menu {
  background: #fff;
  border-top: 1px solid var(--hairline);
  display: none;
}

.mobile-menu[open],
.mobile-menu--open {
  display: block;
}

.mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 1.25rem 1.5rem;
}

.mobile-menu-list a {
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  color: var(--text-strong);
  font-weight: 600;
  border-bottom: 1px solid var(--hairline);
}

.mobile-menu-list a:hover,
.mobile-menu-list a:focus-visible {
  background: var(--bg-soft);
  color: var(--brand);
}

.mobile-menu-summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  cursor: pointer;
  list-style: none;
  font-size: 24px;
  line-height: 1;
  color: var(--brand);
}

.mobile-menu-summary::-webkit-details-marker {
  display: none;
}

@media (min-width: 1024px) {
  .container,
  .nav-inner {
    width: min(1280px, 100% - 4rem);
  }

  .mobile-trigger,
  .mobile-menu {
    display: none;
  }

  .seg-nav {
    display: flex;
  }

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

@media (max-width: 639px) {
  .topbar-inner {
    justify-content: center;
    text-align: center;
    padding-block: 4px;
  }

  .topbar-links {
    display: none;
  }

  .logo-sup {
    font-size: 10px;
  }

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

/* ========= Hero ========= */
.hero {
  background:
    radial-gradient(circle at 82% 18%, rgba(93, 187, 157, 0.28), transparent 32%),
    radial-gradient(circle at 18% 88%, rgba(11, 92, 74, 0.2), transparent 42%),
    linear-gradient(112deg, #053c32 0%, #0B5C4A 54%, #3E9E83 100%);
  color: #fff;
  overflow: hidden;
  padding: clamp(4rem, 6vw, 6rem) 0 4.25rem;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.hero-copy {
  max-width: 830px;
}

.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #DDE9E4;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.35rem 1rem;
  font-size: 13px;
  font-weight: 600;
}

.hero-overline b {
  color: var(--brand-accent);
  font-weight: 700;
}

.hero-title {
  font-size: clamp(1.9rem, 3vw + 1rem, 3.1rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.035em;
  max-width: 800px;
  margin: 1.2rem 0 1rem;
  background: linear-gradient(105deg, #ffffff 68%, #D7EEE6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.4rem;
}

.btn-primary {
  background: var(--brand-light);
  color: #fff;
  padding: 0.75rem 1.5rem;
  box-shadow: 0 12px 22px -12px rgba(0, 0, 0, 0.38);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #4CB191;
  transform: translateY(-2px);
  box-shadow: 0 14px 24px -12px rgba(11, 92, 74, 0.6);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.75rem 1.5rem;
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--brand-accent);
  color: #112A25;
  padding: 0.75rem 1.5rem;
  box-shadow: 0 10px 18px -10px rgba(0, 0, 0, 0.22);
}

.hero-data {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.25rem;
}

.data-badge {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-size: 14px;
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: #F1FAF7;
}

.data-badge strong {
  font-size: 18px;
  color: #fff;
  font-feature-settings: "tnum";
}

.hero-card {
  background: #fff;
  color: var(--text-strong);
  border-radius: var(--radius-xl);
  padding: 1.7rem;
  box-shadow: 0 24px 60px -26px rgba(3, 42, 35, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.hero-card-head {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: .06em;
  margin-bottom: 1rem;
}

.hero-card-label {
  color: var(--brand);
  font-weight: 700;
}

.hero-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.hero-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed rgba(15, 70, 60, 0.15);
  font-size: 14px;
}

.hero-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.hero-list strong {
  font-size: 15px;
  color: var(--text-strong);
  font-weight: 700;
}

.hero-list span {
  color: var(--brand);
  font-weight: 700;
  font-feature-settings: "tnum";
  white-space: nowrap;
}

.scroll-cue {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  margin-top: 3.2rem;
}

.scroll-cue svg {
  width: 16px;
  height: 16px;
  animation: cueMove 2s infinite ease;
}

@keyframes cueMove {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(5px); opacity: 1; }
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    align-items: center;
  }

  .hero-disc {
    justify-self: end;
  }
}

/* ========= Sections ========= */
.section {
  padding: 4.5rem 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

/* Metrics */
.metrics {
  background: var(--bg-soft);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.metric-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: 1.6rem;
  box-shadow: var(--card-shadow);
  position: relative;
  transition: box-shadow .2s ease, transform .2s ease;
}

.metric-card::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  width: 34px;
  height: 3px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--brand-accent), transparent);
}

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

.metric-name {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.08em;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.metric-value {
  font-size: clamp(1.9rem, 2vw + 1rem, 2.7rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-strong);
  font-feature-settings: "tnum";
  margin: 0.8rem 0 0.4rem;
}

.metric-value small {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-light);
  margin-left: 0.2rem;
}

.metric-note {
  font-size: 15px;
  color: var(--text-muted);
}

.trend-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--brand-mist);
  color: var(--brand);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(11, 92, 74, 0.14);
}

.service-media {
  aspect-ratio: 16 / 9;
  background: #E6EFEC;
  overflow: hidden;
  position: relative;
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .25s ease;
}

.service-card:hover .service-media img {
  transform: scale(1.02);
}

.service-card-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.service-card-tag {
  align-self: flex-start;
  background: var(--brand-mist);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
}

.service-card-main {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: -0.02em;
}

.service-desc {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.75;
}

.service-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.7rem;
  margin-top: 0.3rem;
}

.service-list li {
  font-size: 13.5px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.service-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--brand-light);
  border-radius: 2px;
  flex: none;
}

.service-cta {
  margin-top: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 15px;
  color: var(--brand);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, color .2s;
}

.service-cta:hover {
  color: var(--brand-light);
  border-color: currentColor;
}

.start-label {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  font-size: 12px;
  font-weight: 700;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  color: #5A3E08;
  background: rgba(217, 164, 65, 0.92);
  box-shadow: 0 8px 16px -6px rgba(157, 110, 19, 0.4);
  backdrop-filter: blur(4px);
}

/* Compare */
.compare-section {
  background: var(--bg-soft);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

.compare-panel {
  border-radius: var(--radius-xl);
  padding: 1.8rem;
  border: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.compare-bad {
  background: #EFF1F0;
}

.compare-good {
  order: -1;
  background: #fff;
  border-color: rgba(11, 92, 74, 0.2);
  box-shadow: var(--card-shadow);
  position: relative;
}

.compare-good::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 28px;
  right: 28px;
  height: 4px;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(90deg, var(--brand), var(--brand-bright));
}

.compare-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  align-self: flex-start;
}

.compare-bad .compare-label {
  background: #dddfde;
  color: #505755;
}

.compare-good .compare-label {
  background: var(--brand-mist);
  color: var(--brand);
}

.compare-title {
  font-size: 22px;
  color: var(--text-strong);
  font-weight: 800;
}

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.compare-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 16px;
  line-height: 1.65;
}

.compare-icon {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  margin-top: 0.12rem;
}

.compare-bad .compare-icon {
  background: #dbdedd;
  color: #3F4A47;
}

.compare-good .compare-icon {
  background: rgba(11, 92, 74, 0.12);
  color: var(--brand);
}

@media (min-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .compare-grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
  }

  .compare-good {
    order: initial;
  }
}

/* Trending / latest CMS */
.trending-section {
  background: #fff;
}

.trending-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

.trend-guide {
  background: linear-gradient(140deg, #0B5C4A, #2A8870);
  border-radius: var(--radius-xl);
  color: #fff;
  padding: 1.6rem 1.6rem 1.8rem;
  overflow: hidden;
  position: relative;
}

.trend-guide .guide-note {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.75;
}

.trend-guide-title {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  margin: 0.8rem 0 0.65rem;
}

.trend-guide-icons {
  margin-top: 1rem;
  font-size: 12px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.18);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.trend-guide a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 600;
}

.news-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.news-item {
  display: block;
  background: var(--bg-soft);
  border: 1px solid transparent;
  border-radius: 16px;
  padding: 1rem 1.1rem;
  transition: background .2s, transform .2s, box-shadow .2s, border-color .2s;
}

.news-item:hover,
.news-item:focus-visible {
  border-color: rgba(11, 92, 74, 0.14);
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
  outline: none;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 0.8rem;
  margin-bottom: 0.3rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  background: var(--brand-mist);
  color: var(--brand);
}

.chip-gold {
  background: #F7EED9;
  color: #955D0A;
}

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

.news-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.5;
  transition: color .2s;
}

.news-item:hover .news-title {
  color: var(--brand);
}

.news-summary {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--text-muted);
  background: var(--bg-soft);
  border: 1px dashed rgba(72, 112, 101, 0.25);
  border-radius: var(--radius-xl);
}

@media (min-width: 900px) {
  .trending-layout {
    grid-template-columns: 0.8fr 1.2fr;
  }
}

/* FAQ */
.faq-section {
  background: var(--bg-soft);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.faq-aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-contact-note {
  border: 1px solid rgba(11, 92, 74, 0.18);
  border-radius: var(--radius-xl);
  background: #fff;
  padding: 1.4rem;
  font-size: 16px;
  color: var(--text-body);
}

.faq-contact-note strong {
  color: var(--text-strong);
  display: block;
  margin-bottom: 0.4rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}

.faq-item[open] {
  border-color: rgba(11, 92, 74, 0.25);
  box-shadow: var(--card-shadow-hover);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  padding: 1.2rem 1.4rem;
  font-weight: 700;
  color: var(--text-strong);
  cursor: pointer;
  transition: background .2s, color .2s;
  font-size: 16.5px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  background: #FAFCFB;
  color: var(--brand);
}

.faq-icon {
  flex: none;
  width: 28px;
  height: 28px;
  position: relative;
  border-radius: 50%;
  background: var(--brand-mist);
  color: var(--brand);
  font-weight: 700;
  line-height: 28px;
  text-align: center;
  transition: transform .2s, background .2s;
}

.faq-item details[open] .faq-icon,
.faq-item[open] .faq-icon {
  background: var(--brand);
  color: #fff;
  transform: rotate(90deg);
}

.faq-answer {
  padding: 0 1.4rem 1.35rem;
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  border-top: 1px solid rgba(16, 48, 43, 0.06);
  margin-top: 0;
}

@media (min-width: 1024px) {
  .faq-grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}

/* CTA + Form */
.cta-area {
  position: relative;
  color: #fff;
  background:
    linear-gradient(rgba(5, 53, 45, 0.68), rgba(7, 56, 48, 0.78)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  background-color: #053a31;
  padding: 4.5rem 0;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
}

.cta-copy-title {
  font-size: clamp(1.6rem, 2vw + 1rem, 2.3rem);
  line-height: 1.25;
  font-weight: 800;
  max-width: 460px;
  color: #fff;
}

.cta-copy p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  max-width: 520px;
  margin-top: 1rem;
  line-height: 1.8;
}

.cta-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.cta-points li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
}

.cta-points li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--brand-accent);
  border-radius: 3px;
  flex: none;
}

.lead-form-card {
  background: #fff;
  color: var(--text-body);
  border-radius: 24px;
  padding: 2.2rem;
  box-shadow: 0 28px 60px -28px rgba(2, 40, 33, 0.55);
  max-width: 640px;
  margin-left: auto;
}

.form-title {
  color: var(--text-strong);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.form-sub {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 1.5rem;
}

.lead-form .form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.lead-form .input-wrap label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 0.25rem;
}

.lead-form .input-wrap label span {
  color: #B4493B;
}

.lead-form input[type="text"],
.lead-form input[type="email"],
.lead-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(16, 48, 43, 0.18);
  border-radius: 12px;
  background: #FCFEFD;
  color: var(--text-strong);
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.lead-form input:focus,
.lead-form textarea:focus {
  outline: none;
  border-color: var(--brand-light);
  box-shadow: 0 0 0 4px rgba(62, 158, 131, 0.18);
  background: #fff;
}

.lead-form textarea {
  min-height: 110px;
  resize: vertical;
}

.checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 1rem 0 1.2rem;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.checkbox-wrap input {
  position: relative;
  top: 0.2rem;
  width: 16px;
  height: 20px;
  accent-color: var(--brand);
  flex: none;
}

.btn-block {
  width: 100%;
}

.btn-submit {
  background: var(--brand);
  color: #fff;
  padding: 0.8rem 1.4rem;
  border: none;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  width: 100%;
  transition: background .2s, transform .18s, box-shadow .18s;
}

.btn-submit:hover {
  background: #0D6C58;
  transform: translateY(-1px);
  box-shadow: 0 12px 22px -10px rgba(11, 92, 74, 0.7);
}

.btn-submit:active {
  transform: translateY(1px);
}

.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  vertical-align: -3px;
  margin-left: 0.3rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-submit.is-loading {
  background: #3E7B6B;
  pointer-events: none;
}

.btn-submit.is-loading .btn-label {
  opacity: 0.8;
}

.btn-submit.is-loading .btn-spinner {
  display: inline-block;
}

.form-success {
  background: #EAF6F1;
  border: 1px solid rgba(11, 92, 74, 0.15);
  color: var(--text-strong);
  padding: 1.1rem 1.4rem;
  border-radius: 16px;
  display: none;
  align-items: flex-start;
  gap: 0.7rem;
}

.form-success.visible {
  display: flex;
}

.form-success-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex: none;
}

@media (min-width: 900px) {
  .cta-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lead-form .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* Footer */
.site-footer {
  background: #0C2923;
  color: #AFC8C1;
  padding-top: 3.6rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
  padding-bottom: 2.4rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 310px;
  font-size: 15px;
  line-height: 1.8;
  color: #AFC8C1;
}

.footer-title {
  font-size: 14px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #89A6A0;
  margin-bottom: 1.1rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #C3D8D2;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color .2s, transform .2s;
}

.footer-links a:hover {
  color: #E4C489;
  transform: translateX(3px);
}

.footer-links a::before {
  content: '';
  width: 5px;
  height: 5px;
  background: rgba(217, 164, 65, 0.5);
  border-radius: 2px;
  transition: background .2s;
}

.footer-links a:hover::before {
  background: var(--brand-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.1rem 0;
  font-size: 14px;
  color: #6E8C85;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.footer-backtop a {
  color: #AFC8C1;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color .2s;
}

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

@media (min-width: 860px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 3.2rem 0;
  }

  .cta-area {
    padding: 3.2rem 0;
  }

  .service-card-body,
  .compare-panel,
  .lead-form-card {
    padding: 1.4rem;
  }
}

@media (max-width: 520px) {
  .container {
    width: calc(100% - 1.75rem);
  }

  .nav-inner {
    height: 66px;
    width: calc(100% - 1.75rem);
  }

  .hero {
    padding: 2.8rem 0 2.6rem;
  }

  .btn-primary,
  .btn-outline-light {
    width: 100%;
  }

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

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }
}

@media (hover: none) {
  .service-card:hover,
  .metric-card:hover,
  .news-item:hover {
    transform: none;
  }

  .service-card:hover .service-media img {
    transform: none;
  }
}

/* roulang page: article */
:root{
  --brand:#0B5C4A;
  --brand-light:#3E9E83;
  --brand-lighter:#5DBB9D;
  --accent:#D9A441;
  --brand-mist:#E9F2F0;
  --bg-soft:#F4F9F7;
  --ink:#112A25;
  --body:#2F3D3A;
  --muted:#67807A;
  --line:rgba(16,48,43,.10);
  --card-shadow:0 2px 8px rgba(13,72,62,.04),0 10px 25px -15px rgba(13,72,62,.06);
  --hard-shadow:0 8px 25px -6px rgba(13,72,62,.12),0 18px 30px -16px rgba(13,72,62,.10);
  --radius-lg:16px;
  --radius-xl:22px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei V2","Source Han Sans SC","Noto Sans CJK",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font);
  font-size:17px;
  color:var(--body);
  background:#fff;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
summary{list-style:none;}
summary::-webkit-details-marker{display:none;}
.container{max-width:1280px;margin:0 auto;padding-left:2rem;padding-right:2rem;}

/* ===== Header / Nav ===== */
.site-header{position:relative;z-index:50;}
.topbar{background:#0E2721;color:#DCE7E3;font-size:13px;}
.topbar-inner{
  max-width:1280px;margin:0 auto;padding:0 2rem;
  min-height:38px;display:flex;align-items:center;justify-content:space-between;
}
.topbar a{color:#BDD6CF;margin-left:1.5rem;transition:color .2s;}
.topbar a:hover{color:#fff;}
.topbar-links{display:flex;align-items:center;}
.site-nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 2rem;
  min-height:84px;display:flex;align-items:center;
}
.logo-area{display:flex;align-items:center;gap:.7rem;flex-shrink:0;margin-right:auto;}
.logo-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(145deg,var(--brand),var(--brand-light));
  box-shadow:0 8px 18px -8px rgba(11,92,74,.6);
}
.logo-mark svg{width:23px;height:23px;}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-sup{
  font-size:10px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--brand-light);font-weight:800;margin-bottom:3px;
}
.logo-main{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.seg-nav{
  margin:0 auto;display:flex;align-items:center;gap:4px;
  background:var(--bg-soft);border-radius:999px;padding:5px;
}
.tab-link{
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;border-radius:999px;padding:.55rem 1.15rem;
  color:var(--muted);font-size:15px;font-weight:600;white-space:nowrap;
  transition:all .22s ease;
}
.tab-link:hover{background:rgba(255,255,255,.85);color:var(--brand);}
.tab-link.active{
  background:#fff;color:var(--brand);
  box-shadow:0 2px 10px rgba(13,72,62,.08);
  transform:translateY(0);
}
.nav-cta{
  margin-left:.75rem;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  padding:.68rem 1.45rem;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 8px 20px -8px rgba(11,92,74,.55);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-cta:hover{background:#0A6B54;transform:translateY(-2px);box-shadow:0 12px 24px -8px rgba(11,92,74,.55);}
.mobile-menu{display:none;}
.mobile-menu-summary{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft);color:var(--ink);font-size:20px;cursor:pointer;
}
.mobile-menu-list{
  position:absolute;right:1rem;top:calc(100% + 12px);z-index:300;
  display:none;width:min(76vw,340px);padding:.9rem;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--hard-shadow);
}
.mobile-menu[open] .mobile-menu-list{display:flex;flex-direction:column;gap:4px;}
.mobile-menu-list a{
  padding:.8rem .9rem;border-radius:12px;color:var(--body);
  font-size:15px;font-weight:600;transition:background .2s;
}
.mobile-menu-list a:hover{background:var(--bg-soft);color:var(--brand);}

/* ===== Breadcrumb ===== */
.breadcrumb{
  display:flex;align-items:center;gap:.45rem;
  padding:1.15rem 0;color:var(--muted);font-size:14px;flex-wrap:wrap;
}
.breadcrumb a{transition:color .2s;}
.breadcrumb a:hover{color:var(--brand);}
.crumb-arrow{opacity:.35;}
.crumb-current{
  color:var(--brand);font-weight:600;max-width:300px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== Article hero ===== */
.post-hero{
  padding:1rem 0 2.2rem;
  background:linear-gradient(180deg,#FBFDFD 0%,#fff 100%);
  border-bottom:1px solid var(--line);
}
.post-cat{
  display:inline-flex;align-items:center;gap:.35rem;
  background:var(--brand-mist);color:var(--brand);
  font-size:13px;font-weight:700;padding:.38rem .9rem;border-radius:999px;
}
.post-cat::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.post-title{
  max-width:20em;font-size:clamp(1.8rem,3.4vw,2.9rem);
  font-weight:800;line-height:1.22;color:var(--ink);
  margin:1.2rem 0 .7rem;
}
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:1rem;color:var(--muted);font-size:14px;}
.post-meta span{display:inline-flex;align-items:center;gap:.4rem;}
.post-meta time::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);}
.post-summary{
  margin-top:1.3rem;color:#52635F;font-size:16px;
  line-height:1.9;max-width:none;
}
.post-summary::before{
  content:"◎";
  color:var(--accent);margin-right:.4rem;font-size:14px;
}

/* ===== Article body ===== */
.article-frame{padding:0 0 2rem;background:#fff;}
.article-container{max-width:880px;margin:0 auto;padding-left:1.5rem;padding-right:1.5rem;}
.article-content{
  background:#fff;padding:2rem 0 3.6rem;
  font-size:17px;
}
.article-content p{
  margin:0 0 1.6rem;font-size:17.5px;line-height:2;
  color:#33433F;
}
.article-content > p:first-of-type,
.article-content > div:first-child p:first-child{
  font-size:1.08em;font-weight:600;color:var(--ink);
  border-left:4px solid var(--accent);border-radius:0 6px 6px 0;
  padding-left:1.4rem;line-height:2;
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4{
  margin:2.4rem 0 1rem;color:var(--ink);font-weight:800;line-height:1.4;
}
.article-content h1{font-size:clamp(1.7rem,2.6vw,2.3rem);}
.article-content h2{font-size:1.65rem;}
.article-content h3{font-size:1.35rem;}
.article-content h2::before{content:"▌";color:var(--accent);margin-right:.3rem;}
.article-content h3 span{color:var(--brand);}
.article-content a{
  color:var(--brand);text-decoration:underline;
  text-underline-offset:3px;text-decoration-color:rgba(11,92,74,.35);
  transition:color .2s;
}
.article-content a:hover{color:var(--accent);}
.article-content ul,.article-content ol{margin:0 0 1.6rem;padding-left:1.2rem;}
.article-content ul li,.article-content ol li{padding-left:.25rem;margin-bottom:.5rem;line-height:1.95;}
.article-content ul{list-style:none;}
.article-content ul li::before{
  content:"";display:inline-block;width:7px;height:7px;
  background:var(--brand-light);border-radius:2px;
  margin-right:.7rem;vertical-align:middle;
}
.article-content ol{list-style:decimal;}
.article-content blockquote{
  margin:2.2rem 0;padding:1.3rem 1.7rem;
  background:#FDF9EF;border-left:4px solid var(--accent);
  border-radius:0 16px 16px 0;color:#4D5A56;font-size:1.05em;
}
.article-content img{
  width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);margin:2.4rem 0;
  box-shadow:0 2px 10px rgba(13,72,62,.07);
}
.article-content table{
  width:100%;border-collapse:collapse;margin:2.2rem 0;font-size:15.5px;
}
.article-content th,.article-content td{border:1px solid var(--line);padding:.75rem 1rem;text-align:left;}
.article-content th{background:var(--brand-mist);color:var(--ink);font-weight:700;}
.article-content tr:nth-child(even) td{background:#F9FCFB;}
.article-content hr{border:0;height:1px;background:var(--line);margin:2.8rem 0;}
.article-content code{
  background:#EFF6F4;color:#0B5C4A;padding:.1rem .45rem;
  border-radius:6px;font-size:.92em;
}

/* ===== Return area ===== */
.post-return{padding:0 0 4.6rem;}
.return-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:2rem;padding:1.8rem 2.2rem;
  background:linear-gradient(145deg,#F4F9F7,#fff);
  border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--card-shadow);
}
.return-title{font-size:1.05rem;font-weight:750;color:var(--ink);}
.return-inner p{color:var(--muted);font-size:.9rem;margin-top:.2rem;}
.return-actions{display:flex;gap:.9rem;flex-wrap:wrap;}

/* ===== Buttons ===== */
.btn-primary,.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;
  gap:.5rem;padding:.78rem 1.55rem;border-radius:999px;
  font-size:15px;font-weight:700;transition:all .22s ease;
}
.btn-primary{
  background:linear-gradient(96deg,var(--brand),var(--brand-light) 72%,var(--brand-lighter));
  color:#fff;box-shadow:0 10px 22px -10px rgba(11,92,74,.6);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px -10px rgba(11,92,74,.6);}
.btn-secondary{
  background:#fff;color:var(--brand);
  border:1px solid rgba(11,92,74,.25);
}
.btn-secondary:hover{border-color:var(--brand);background:var(--brand-mist);transform:translateY(-2px);}
.text-btn{
  color:var(--brand);font-weight:700;font-size:14px;
  display:inline-flex;align-items:center;gap:.3rem;
}
.text-btn:hover{color:var(--accent);}
.text-btn::after{content:"→";transition:transform .2s;display:inline-block;}
.text-btn:hover::after{transform:translateX(3px);}

/* ===== Related section ===== */
.related-section{background:var(--bg-soft);padding:4.8rem 0 5rem;border-top:1px solid var(--line);}
.related-head{max-width:820px;margin-bottom:2rem;}
.section-kicker{
  display:inline-block;font-size:12px;font-weight:800;
  color:var(--accent);letter-spacing:.16em;margin-bottom:.4rem;
}
.related-head h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;color:var(--ink);line-height:1.3;}
.related-head p{color:var(--muted);font-size:15px;margin-top:.3rem;}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.6rem;
}
.related-card{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:22px;overflow:hidden;box-shadow:var(--card-shadow);
  transition:transform .26s,box-shadow .26s;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--hard-shadow);}
.related-thumb{aspect-ratio:16/10;background:#DCE7E3;overflow:hidden;}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:1.2rem 1.3rem 1.35rem;}
.related-body .card-kicker{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.08em;display:block;}
.related-body h3{font-size:18px;font-weight:800;color:var(--ink);margin:.45rem 0 .35rem;}
.related-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:.9rem;}
.related-body .more-link{
  display:inline-flex;align-items:center;gap:.3rem;color:var(--brand);
  font-size:14px;font-weight:700;
}
.related-body .more-link::after{content:"→";transition:transform .2s;}
.related-card:hover .more-link::after{transform:translateX(3px);}

/* ===== Not Found ===== */
.missing-section{padding:5.5rem 1.5rem 7rem;background:var(--bg-soft);}
.missing-card{
  max-width:680px;margin:0 auto;padding:3.5rem 2.5rem;
  text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:26px;box-shadow:var(--card-shadow);
}
.missing-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:18px;background:var(--brand-mist);
  color:var(--brand);font-size:26px;margin-bottom:1.3rem;
}
.missing-card h1{font-size:2rem;color:var(--ink);font-weight:800;margin-bottom:.6rem;}
.missing-card p{color:var(--muted);font-size:16px;margin-bottom:1.8rem;}
.missing-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;}

/* ===== Footer ===== */
.footer{background:#0E2721;color:#C4D8D2;padding-top:4rem;}
.footer-inner{
  display:grid;grid-template-columns:2fr 1fr 1fr;
  gap:3.5rem;padding-bottom:3rem;
}
.footer-logo{display:flex;align-items:center;gap:.7rem;margin-bottom:1rem;}
.footer-logo .logo-mini{
  width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,var(--brand-light),var(--brand));
  display:grid;place-items:center;color:#fff;
}
.footer-logo .logo-mini svg{width:21px;height:21px;}
.footer-logo-name span{display:block;line-height:1.1;}
.footer-logo-name b{font-size:21px;color:#fff;letter-spacing:.03em;}
.footer-logo-name small{font-size:10px;letter-spacing:.26em;color:#7BB09F;font-weight:700;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#A9C2BC;max-width:32em;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:1rem;letter-spacing:.03em;}
.footer-col a{
  display:block;padding:.3rem 0;color:#A9C2BC;font-size:14.5px;
  transition:color .2s;
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:1.5rem 0;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:#8DB0A7;}
.back-top{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;
  color:#BDD6CF;font-size:15px;transition:all .2s;
}
.back-top:hover{color:#fff;border-color:#fff;}

/* ===== Focus ===== */
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:8px;
}

/* ===== Responsive ===== */
@media (max-width:1023.98px){
  .seg-nav,.nav-cta{display:none;}
  .nav-inner{min-height:70px;gap:.5rem;}
  .mobile-menu{
    display:block;position:relative;margin-left:.4rem;
  }
  .mobile-menu-summary{
    width:44px;height:44px;font-size:21px;
  }
  .logo-text .logo-main{font-size:20px;}
  .logo-text .logo-sup{font-size:9px;}
  .mobile-menu-list{
    display:none;
  }
  .mobile-menu[open] .mobile-menu-list{
    display:flex;
  }
  .mobile-menu-list a + a{border-top:1px solid var(--line);border-top:0;}
}
@media (max-width:767px){
  .topbar{display:none;}
  .topbar-links{display:none;}
  .container{padding-left:1.3rem;padding-right:1.3rem;}
  .nav-inner{padding:0 1.3rem;}
  .mobile-menu-list{right:1.3rem;}
  .breadcrumb{font-size:13px;padding-top:.8rem;}
  .crumb-current{max-width:170px;}
  .post-hero{padding:1.4rem 0 1.8rem;}
  .post-title{font-size:1.7rem;}
  .article-container{padding-left:1.2rem;padding-right:1.2rem;}
  .article-content{padding:1rem 0 2.6rem;font-size:16.5px;}
  .article-content p{font-size:17px;}
  .article-content ul li{padding-left:0;}
  .return-inner{flex-direction:column;align-items:flex-start;padding:1.6rem;}
  .return-actions{width:100%;}
  .return-actions .btn-primary,.return-actions .btn-secondary{width:100%;}
  .related-grid{grid-template-columns:1fr;}
  .related-body h3{font-size:19px;}
  .missing-card{padding:2.5rem 1.5rem;}
  .footer-inner{grid-template-columns:1fr;gap:2rem;padding-bottom:2rem;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .related-section{padding:3.6rem 0 4rem;}
  .mobile-menu-list{width:calc(100vw - 2.6rem);}
}
@media (max-width:420px){
  .logo-mark{width:38px;height:38px;border-radius:12px;}
  .logo-main{font-size:18px;}
  .post-title{font-size:1.6rem;}
  .related-body h3{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root {
            --brand-primary: #0B5C4A;
            --brand-light: #3E9E83;
            --brand-accent: #D9A441;
            --brand-mist: #E9F2F0;
            --bg-solid: #FFFFFF;
            --bg-soft: #F4F9F7;
            --text-strong: #112A25;
            --text-body: #2F3D3A;
            --text-muted: #67807A;
            --text-subtle: #9AAEA8;
            --hairline: rgb(16, 48, 43, 0.1);
            --card-shadow: 0 2px 8px rgba(13, 72, 62, 0.04), 0 10px 25px -15px rgba(13, 72, 62, 0.06);
            --card-shadow-hover: 0 8px 25px -6px rgba(13, 72, 62, 0.12), 0 18px 30px -16px rgba(13, 72, 62, 0.1);
            --radius-lg: 12px;
            --radius-xl: 18px;
            --radius-pill: 999px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei V2", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-solid);
            color: var(--text-body);
            font-size: 17px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body,
        h1,
        h2,
        h3,
        h4,
        p,
        ul,
        ol,
        figure,
        blockquote,
        dl,
        dd {
            margin: 0;
        }

        ul,
        ol {
            padding: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font: inherit;
        }

        .container-site {
            width: 100%;
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 2rem;
        }

        @media (max-width: 768px) {
            .container-site {
                padding-inline: 1.25rem;
            }
        }

        /* 顶部提示条 */
        .topbar {
            border-bottom: 1px solid var(--hairline);
            background: var(--bg-soft);
        }

        .topbar-inner {
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 2rem;
            min-height: 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 13px;
            color: var(--text-muted);
        }

        .topbar-inner a {
            margin-left: 1rem;
            color: var(--text-body);
        }

        .topbar-inner a:hover {
            color: var(--brand-primary);
        }

        @media (max-width: 640px) {
            .topbar-inner {
                flex-wrap: wrap;
                justify-content: center;
                padding-block: 8px;
            }
            .topbar-links {
                display: none;
            }
        }

        /* 导航 */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 60;
            border-bottom: 1px solid var(--hairline);
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(12px);
        }

        .nav-inner {
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 2rem;
            min-height: 84px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.25rem;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            color: var(--brand-primary);
            background: var(--brand-mist);
            border: 1px solid rgb(11, 92, 74, 0.18);
            padding: 6px;
        }

        .logo-mark svg {
            width: 100%;
            height: 100%;
        }

        .logo-sup {
            display: block;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-light);
            line-height: 1.1;
        }

        .logo-main {
            display: block;
            font-size: 21px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-strong);
            line-height: 1.1;
        }

        /* 分段标签导航 */
        .seg-nav {
            display: inline-flex;
            flex-wrap: nowrap;
            gap: 6px;
            padding: 5px;
            border-radius: var(--radius-pill);
            background: var(--bg-soft);
            border: 1px solid var(--hairline);
            max-width: 680px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .seg-nav::-webkit-scrollbar {
            display: none;
        }

        .tab-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 18px;
            border-radius: 40px;
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .tab-link:hover {
            color: var(--brand-primary);
            background: rgba(255, 255, 255, 0.72);
        }

        .tab-link.active {
            background: var(--brand-primary);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(11, 92, 74, 0.24);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 22px;
            min-height: 44px;
            border-radius: var(--radius-pill);
            background: linear-gradient(96deg, var(--brand-primary), #3E9E83 68%, #5DBB9D);
            color: #ffffff;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            box-shadow: var(--card-shadow);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: var(--card-shadow-hover);
        }

        .mobile-menu {
            display: none;
        }

        @media (max-width: 1023px) {
            .seg-nav,
            .nav-cta {
                display: none;
            }

            .mobile-menu {
                display: block;
                position: relative;
            }

            .mobile-menu-summary {
                list-style: none;
                width: 44px;
                height: 44px;
                display: flex;
                align-items: center;
                justify-content: center;
                border-radius: 50%;
                background: var(--bg-soft);
                color: var(--brand-primary);
                font-size: 24px;
                cursor: pointer;
                user-select: none;
            }

            .mobile-menu-summary::-webkit-details-marker {
                display: none;
            }

            .mobile-menu[open] .mobile-menu-summary {
                background: var(--brand-primary);
                color: #fff;
            }

            .mobile-menu-list {
                position: absolute;
                right: 0;
                top: calc(100% + 8px);
                min-width: 240px;
                background: #fff;
                border-radius: 14px;
                padding: 10px;
                display: grid;
                gap: 2px;
                box-shadow: var(--card-shadow-hover);
                border: 1px solid var(--hairline);
            }

            .mobile-menu-list a {
                min-height: 44px;
                padding: 10px 14px;
                border-radius: 10px;
                color: var(--text-body);
                font-size: 15px;
                font-weight: 600;
            }

            .mobile-menu-list a:hover {
                background: var(--brand-mist);
                color: var(--brand-primary);
            }
        }

        /* 通用版块 */
        .site-main {
            overflow: clip;
        }

        .zone {
            padding: 96px 0;
        }

        .zone-soft {
            background: var(--bg-soft);
        }

        .zone-white {
            background: #fff;
        }

        .zone-dark {
            background: #0E2721;
            color: rgba(255, 255, 255, 0.9);
        }

        @media (max-width: 768px) {
            .zone {
                padding: 64px 0;
            }
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            font-size: 13px;
            letter-spacing: 0.08em;
            font-weight: 700;
            color: var(--brand-light);
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 22px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--brand-accent), transparent);
        }

        .section-title {
            max-width: 760px;
            font-size: clamp(1.65rem, 3vw, 2.35rem);
            line-height: 1.22;
            letter-spacing: -0.02em;
            font-weight: 850;
            color: var(--text-strong);
        }

        .section-lead {
            max-width: 720px;
            margin-top: 14px;
            color: var(--text-muted);
            font-size: 17px;
        }

        .text-body-muted {
            color: var(--text-muted);
        }

        .dark-title {
            color: #ffffff;
        }

        .dark-sub {
            color: #B7CFC7;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 0 24px;
            min-height: 48px;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-primary {
            background: linear-gradient(96deg, var(--brand-primary), #3E9E83 80%);
            color: #fff;
            box-shadow: var(--card-shadow);
        }

        .btn-primary:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            filter: brightness(1.06);
        }

        .btn-secondary {
            background: #ffffff;
            border-color: rgb(255, 255, 255, 0.28);
            color: #ffffff;
        }

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

        .btn-outline {
            background: #ffffff;
            border: 1px solid rgb(11, 92, 74, 0.28);
            color: var(--brand-primary);
        }

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

        .btn-gold {
            background: linear-gradient(120deg, var(--brand-accent), #E4B95D);
            color: #3A2B11;
        }

        .btn-gold:hover {
            filter: brightness(1.02);
            transform: translateY(-2px);
        }

        .btn-lg {
            min-height: 54px;
            padding-inline: 30px;
        }

        /* 分类页小英雄 */
        .hero-cat {
            position: relative;
            background-color: #082F27;
            background-image: linear-gradient(104deg, rgba(8, 47, 40, 0.97), rgba(11, 92, 74, 0.91) 44%, rgba(61, 154, 128, 0.72)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            color: #ffffff;
            padding: 92px 0 90px;
            position: relative;
            overflow: hidden;
        }

        .hero-cat::after {
            content: "";
            position: absolute;
            inset: auto 10% 20% auto;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(217, 164, 65, 0.24) 0%, rgba(217, 164, 65, 0) 70%);
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
            gap: 56px;
            align-items: center;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: #F0E8D2;
        }

        .hero-cat h1 {
            max-width: 780px;
            margin-top: 24px;
            font-size: clamp(2rem, 4vw + 1rem, 3.55rem);
            letter-spacing: -0.03em;
            line-height: 1.12;
            font-weight: 850;
            color: #ffffff;
        }

        .hero-lead {
            max-width: 640px;
            margin-top: 20px;
            font-size: 18px;
            color: #D7E9E3;
            line-height: 1.8;
        }

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

        .hero-note {
            margin-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.58);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 数据速览卡 */
        .hero-panel {
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            padding: 24px;
            color: #fff;
        }

        .hero-panel h3 {
            font-size: 16px;
            margin: 0 0 18px;
            color: #E8F3F0;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .panel-stats {
            display: grid;
            gap: 18px;
        }

        .panel-stat {
            padding: 12px 14px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .panel-stat strong {
            display: block;
            font-size: 24px;
            letter-spacing: -0.02em;
            color: #fff;
            font-weight: 850;
        }

        .panel-stat span {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        .panel-note {
            margin-top: 18px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.56);
        }

        /* 面包屑 */
        .breadcrumb-simple {
            background: var(--bg-soft);
            border-bottom: 1px solid var(--hairline);
            padding: 14px 0;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-inner {
            max-width: 1280px;
            margin: auto;
            padding-inline: 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-inner a {
            color: var(--brand-primary);
        }

        .breadcrumb-inner a:hover {
            color: var(--brand-light);
        }

        @media (max-width: 760px) {
            .breadcrumb-inner {
                padding-inline: 20px;
            }
        }

        /* 首页导航分段沿用 */
        .hero-cat .container-site {
            display: grid;
            grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.65fr);
            gap: 56px;
            align-items: center;
        }

        @media (max-width: 1000px) {
            .hero-cat .container-site {
                grid-template-columns: 1fr;
            }
            .hero-grid,
            .hero-cat .container-site {
                grid-template-columns: 1fr;
            }
            .hero-cta-wrap .hero-panel {
                margin-top: 0;
            }
        }

        /* 双栏内容 */
        .split-cols {
            display: grid;
            grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
            gap: 56px;
            align-items: center;
        }

        .info-stack {
            display: grid;
            gap: 26px;
        }

        .info-block {
            display: flex;
            gap: 14px;
        }

        .info-icon {
            width: 38px;
            height: 38px;
            flex: 0 0 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: var(--brand-mist);
            color: var(--brand-primary);
            font-weight: 800;
        }

        .info-block h3 {
            font-size: 19px;
            font-weight: 760;
            color: var(--text-strong);
            margin-bottom: 6px;
        }

        .info-block p {
            color: var(--text-muted);
            font-size: 16px;
        }

        .visual-frame {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .visual-frame img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .visual-float {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 16px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 16px;
            padding: 14px 16px;
            color: var(--text-strong);
            font-weight: 650;
            font-size: 14px;
            box-shadow: var(--card-shadow);
        }

        /* 专题滚动卡片 */
        .theme-strip {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 20px;
            margin-top: 34px;
        }

        .theme-card {
            border: 1px solid var(--hairline);
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--card-shadow);
            transition: all 0.25s ease;
        }

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

        .theme-thumb {
            height: 160px;
            position: relative;
            overflow: hidden;
        }

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

        .theme-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 30%, rgba(10, 50, 43, 0.22) 100%);
        }

        .theme-body {
            padding: 22px 20px 20px;
        }

        .theme-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--brand-mist);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 700;
        }

        .theme-body h3 {
            margin: 14px 0 6px;
            font-size: 20px;
            font-weight: 780;
            color: var(--text-strong);
        }

        .theme-body p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
        }

        .theme-link {
            margin-top: 14px;
            display: inline-flex;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-primary);
        }

        .theme-link:hover {
            color: var(--brand-light);
        }

        @media (max-width: 1040px) {
            .theme-strip {
                grid-auto-flow: column;
                grid-auto-columns: minmax(275px, 78vw);
                grid-template-columns: none;
                overflow-x: auto;
                padding-bottom: 12px;
                scroll-snap-type: x mandatory;
            }
            .theme-card {
                scroll-snap-align: start;
            }
        }

        /* 流程阶段 */
        .stages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 38px;
        }

        .stage-item {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 18px;
            padding: 26px 20px 22px;
            color: #fff;
            transition: transform 0.2s ease, background 0.2s ease;
        }

        .stage-item:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.1);
        }

        .stage-num {
            display: block;
            font-size: 13px;
            letter-spacing: 0.1em;
            font-weight: 800;
            color: var(--brand-accent);
        }

        .stage-item h3 {
            font-size: 18px;
            font-weight: 750;
            margin: 14px 0 8px;
        }

        .stage-item p {
            font-size: 15px;
            line-height: 1.7;
            color: #BDD5CC;
        }

        @media (max-width: 900px) {
            .stages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stages-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 两栏对照 */
        .compare-shell {
            display: grid;
            grid-template-columns: 1fr 1fr;
            margin-top: 40px;
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid var(--hairline);
            background: #fff;
        }

        .compare-col {
            padding: 32px;
        }

        .compare-col.left {
            background: #FBFCFC;
        }

        .compare-col.right {
            border-left: 1px solid var(--hairline);
            background: linear-gradient(180deg, #FFFFFF, #FBFDFC);
            box-shadow: inset 4px 0 0 rgba(217, 164, 65, 0.4);
        }

        .compare-title {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            background: #EDF1EF;
            color: var(--text-muted);
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 700;
        }

        .compare-col.right .compare-title {
            background: var(--brand-mist);
            color: var(--brand-primary);
        }

        .compare-list {
            list-style: none;
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }

        .compare-list li {
            position: relative;
            padding-left: 32px;
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.7;
        }

        .compare-list li::before {
            position: absolute;
            left: 0;
            top: 2px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #EEF1F0;
            color: #929C99;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            content: "×";
            font-weight: 800;
        }

        .compare-col.right .compare-list li {
            color: var(--text-body);
        }

        .compare-list.right li::before {
            background: var(--brand-mist);
            color: var(--brand-primary);
            content: "✓";
        }

        @media (max-width: 900px) {
            .compare-shell {
                grid-template-columns: 1fr;
            }
            .compare-col.right {
                border-left: none;
                border-top: 1px solid var(--hairline);
                order: -1;
            }
        }

        /* 关键图谱数字徽章 */
        .badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--hairline);
            color: var(--text-strong);
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 2px 10px rgba(13, 72, 62, 0.04);
        }

        .badge-chip i {
            font-style: normal;
            color: var(--brand-primary);
        }

        /* FAQ */
        .faq-wrap {
            display: grid;
            grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
            gap: 56px;
            align-items: start;
        }

        .faq-col-left {
            position: sticky;
            top: 120px;
        }

        .faq-contact-links {
            margin-top: 28px;
            display: grid;
            gap: 14px;
            max-width: 320px;
        }

        .faq-contact-links a {
            display: inline-flex;
            align-items: center;
            min-height: 48px;
            padding: 0 18px;
            border-radius: 14px;
            background: #fff;
            border: 1px solid var(--hairline);
            font-size: 15px;
            font-weight: 700;
            color: var(--brand-primary);
        }

        .faq-contact-links a:hover {
            border-color: var(--brand-light);
            background: var(--brand-mist);
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--hairline);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item summary {
            list-style: none;
            padding: 22px 48px 22px 22px;
            position: relative;
            cursor: pointer;
            font-weight: 700;
            font-size: 17px;
            color: var(--text-strong);
            border-radius: 16px;
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-soft);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all 0.2s ease;
        }

        .faq-item[open] summary::after {
            content: "−";
        }

        .faq-item[open] {
            border-color: rgb(11, 92, 74, 0.24);
            box-shadow: var(--card-shadow);
        }

        .faq-body {
            padding: 0 22px 24px 22px;
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }

        @media (max-width: 900px) {
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .faq-col-left {
                position: static;
            }
        }

        /* CTA */
        .cta-strip {
            background: linear-gradient(112deg, #082F28, #0B5C4A 50%, #3E9E83);
            border-radius: 28px;
            padding: 56px 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            color: #ffffff;
            margin-top: 92px;
            position: relative;
            overflow: hidden;
        }

        .cta-strip::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(217, 164, 65, 0.36), transparent 70%);
        }

        .cta-copy h2 {
            font-size: clamp(1.6rem, 2vw, 2.3rem);
            font-weight: 820;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .cta-copy p {
            margin-top: 12px;
            color: #D7E9E3;
            max-width: 560px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 900px) {
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 36px 26px;
                margin-top: 60px;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #0E2721;
            color: #C6D8D2;
            margin-top: 90px;
        }

        .footer-inner {
            max-width: 1280px;
            margin-inline: auto;
            padding: 70px 2rem 20px;
            display: grid;
            grid-template-columns: 1.6fr 0.8fr 0.8fr;
            gap: 60px;
        }

        .footer-logo .logo-main {
            color: #fff;
        }

        .footer-desc {
            margin-top: 14px;
            max-width: 360px;
            color: #A7BDB6;
            font-size: 15px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 750;
        }

        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 15px;
            color: #A7BDB6;
            transition: color 0.2s ease;
        }

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

        .footer-copy {
            max-width: 1280px;
            margin-inline: auto;
            padding: 34px 2rem 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: #87A19A;
            font-size: 13px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }

        .to-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #CFE5DE;
            font-size: 13px;
        }

        .to-top:hover {
            color: var(--brand-accent);
        }

        @media (max-width: 820px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 42px 28px;
                padding-top: 56px;
            }
            .footer-brand-col {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .footer-copy {
                flex-direction: column;
                padding-bottom: 26px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation: none !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category3 */
:root {
            --brand-primary: #0B5C4A;
            --brand-light: #3E9E83;
            --brand-accent: #D9A441;
            --brand-mist: #E9F2F0;
            --bg-solid: #FFFFFF;
            --bg-soft: #F4F9F7;
            --text-strong: #112A25;
            --text-body: #2F3D3A;
            --text-muted: #67807A;
            --text-subtle: #9AAEA8;
            --hairline: rgba(16, 48, 43, 0.10);
            --card-shadow: 0 2px 8px rgba(13, 72, 62, 0.04), 0 10px 25px -15px rgba(13, 72, 62, 0.06);
            --card-shadow-hover: 0 8px 25px -6px rgba(13, 72, 62, 0.12), 0 18px 30px -16px rgba(13, 72, 62, 0.10);
            --radius-xl: 16px;
            --radius-lg: 8px;
            --radius-full: 999px;
            --container: 1280px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei V2", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-solid);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 17px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        textarea {
            font: inherit;
        }
        .container-custom {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 2rem;
        }
        .section-pad {
            padding: 7rem 0;
        }

        /* Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .topbar {
            background: #0b1713;
            color: rgba(255, 255, 255, 0.72);
            font-size: 13px;
            height: 38px;
        }
        .topbar-inner {
            max-width: var(--container);
            margin: 0 auto;
            height: 100%;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .topbar-links {
            display: flex;
            gap: 1.2rem;
        }
        .topbar-links a {
            opacity: .78;
            transition: .2s;
        }
        .topbar-links a:hover {
            opacity: 1;
            color: #fff;
        }
        .site-nav {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--hairline);
            transition: box-shadow .3s;
        }
        .site-nav.scrolled {
            box-shadow: 0 6px 18px rgba(16, 42, 36, 0.06);
        }
        .nav-inner {
            max-width: var(--container);
            margin: 0 auto;
            height: 82px;
            padding: 0 2rem;
            display: flex;
            align-items: center;
            gap: 2rem;
            position: relative;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-mist);
            border-radius: 12px;
        }
        .logo-mark svg {
            width: 24px;
            height: 24px;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-sup {
            font-size: 11px;
            letter-spacing: .1em;
            color: var(--text-subtle);
            text-transform: uppercase;
            font-weight: 600;
        }
        .logo-main {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-strong);
            letter-spacing: -0.02em;
        }
        .seg-nav {
            display: flex;
            align-items: center;
            padding: 4px;
            background: #f1f5f3;
            border-radius: 999px;
            gap: 2px;
            margin: 0 auto;
        }
        .tab-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 1.4rem;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 999px;
            transition: .2s;
            white-space: nowrap;
        }
        .tab-link:hover {
            color: var(--text-strong);
            background: rgba(255, 255, 255, .6);
        }
        .tab-link.active {
            background: #fff;
            color: var(--brand-primary);
            font-weight: 700;
            box-shadow: 0 2px 6px rgba(13, 72, 62, .08);
        }
        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 1.2rem;
            font-size: 14px;
            border-radius: 999px;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            transition: .2s;
        }
        .nav-cta:hover {
            background: #0c674f;
        }
        .mobile-menu {
            display: none;
            position: relative;
        }
        .mobile-menu-summary {
            list-style: none;
            cursor: pointer;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            border-radius: 10px;
            background: var(--brand-mist);
            color: var(--brand-primary);
        }
        .mobile-menu-summary::-webkit-details-marker {
            display: none;
        }
        .mobile-menu-list {
            position: absolute;
            right: 0;
            top: 50px;
            min-width: 220px;
            background: #fff;
            border: 1px solid var(--hairline);
            border-radius: 16px;
            box-shadow: var(--card-shadow-hover);
            padding: .6rem;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-menu-list a {
            display: block;
            padding: 10px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
        }
        .mobile-menu-list a:hover {
            background: var(--bg-soft);
        }

        /* Buttons ===== */
        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 999px;
            padding: 13px 30px;
            font-size: 15px;
            transition: all .22s ease;
            cursor: pointer;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: linear-gradient(97deg, #0B5C4A, #3E9E83 75%, #54b292);
            color: #fff;
            box-shadow: 0 8px 20px rgba(11, 92, 74, .22);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            filter: brightness(1.04);
            box-shadow: 0 10px 28px rgba(11, 92, 74, .3);
        }
        .btn-secondary {
            background: transparent;
            border-color: rgba(11, 92, 74, .25);
            color: var(--brand-primary);
        }
        .btn-secondary:hover {
            border-color: var(--brand-primary);
            background: var(--brand-mist);
            transform: translateY(-2px);
        }

        /* Hero Cat ===== */
        .hero-cat {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 340px;
            background-image: linear-gradient(100deg, #0B5C4A 0%, #0e725b 60%, rgba(15, 100, 84, .6)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 5.5rem 0;
            overflow: hidden;
        }
        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 72% 20%, rgba(217, 164, 65, .20), transparent 24%), radial-gradient(circle at 8% 90%, rgba(255, 255, 255, .06), transparent 32%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 920px;
        }
        .hero-cat h1 {
            font-size: clamp(1.9rem, 4.6vw, 3.2rem);
            font-weight: 800;
            line-height: 1.16;
            letter-spacing: -0.02em;
            margin: 14px 0 18px;
        }
        .hero-cat .lead-copy {
            font-size: 18px;
            max-width: 680px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .84);
            margin-bottom: 28px;
        }
        .hero-cat .eyebrow {
            display: inline-block;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            letter-spacing: .04em;
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .hero-cat .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-cat .btn-light {
            background: #fff;
            color: var(--brand-primary);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
        }
        .hero-cat .btn-light:hover {
            background: #f4faf8;
        }
        .hero-cat .btn-ghost-white {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .36);
            color: #fff;
        }
        .hero-cat .btn-ghost-white:hover {
            background: rgba(255, 255, 255, .2);
        }
        .hero-metric-chip {
            position: absolute;
            right: 2rem;
            bottom: 2rem;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            backdrop-filter: blur(12px);
            border-radius: 16px;
            padding: 14px 20px;
            display: none;
            gap: 12px;
            align-items: center;
            color: #fff;
            font-size: 14px;
        }
        @media (min-width:600px) {
            .hero-metric-chip {
                display: flex;
            }
        }

        /* Section Head ===== */
        .section-label {
            display: block;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--brand-light);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.24;
            letter-spacing: -0.02em;
            color: var(--text-strong);
            margin: 0 0 16px;
        }
        .section-intro {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 720px;
        }

        /* Illustration row ===== */
        .split-about {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 3.5rem;
            align-items: center;
        }
        .about-image-wrap {
            border-radius: 22px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            position: relative;
            aspect-ratio: 5/4;
            background: var(--brand-mist);
        }
        .about-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .accent-list {
            margin-top: 22px;
            padding-left: 0;
        }
        .accent-list li {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 9px 0;
            list-style: none;
            border-bottom: 1px dashed var(--hairline);
            color: var(--text-body);
            font-size: 16px;
        }
        .accent-list li i {
            font-style: normal;
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-light));
            flex-shrink: 0;
        }
        .mini-tag {
            background: var(--brand-mist);
            color: var(--brand-primary);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
        }

        /* Topic card ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 22px;
            margin-top: 42px;
        }
        .topic-card {
            background: #fff;
            border-radius: 18px;
            border: 1px solid var(--hairline);
            box-shadow: var(--card-shadow);
            padding: 28px 22px 22px;
            transition: .3s;
            position: relative;
            color: var(--text-body);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }
        .topic-card::before {
            content: '';
            display: block;
            width: 36px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--brand-primary), var(--brand-light));
            margin-bottom: 24px;
        }
        .topic-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
        }
        .topic-card p {
            font-size: 15px;
            line-height: 1.72;
            color: var(--text-muted);
            margin: 0;
        }
        .topic-card .point-line {
            font-size: 13px;
            margin-top: 16px;
            color: var(--text-subtle);
        }
        .topic-card .spark {
            color: var(--brand-accent);
            margin-right: 4px;
        }

        /* Stat band ===== */
        .stat-band {
            background: var(--text-strong);
            color: #fff;
            border-radius: 24px;
            padding: 3.2rem 2.6rem;
            position: relative;
            overflow: hidden;
        }
        .stat-band::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(62, 158, 131, .2);
            right: -80px;
            top: -90px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .stat-item {
            z-index: 2;
            position: relative;
        }
        .stat-item .num {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            color: #fff;
            font-feature-settings: 'tnum';
            line-height: 1;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }
        .stat-item .num span {
            color: var(--brand-accent);
            font-size: 1.2rem;
            font-weight: 600;
        }
        .stat-item .desc {
            color: rgba(255, 255, 255, .62);
            font-size: 14px;
            margin-top: 4px;
            line-height: 1.5;
        }
        .stat-item .caption {
            color: rgba(255, 255, 255, .72);
            font-size: 15px;
            margin-top: 8px;
            font-weight: 500;
        }

        /* Compare ===== */
        .compare-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--hairline);
            box-shadow: var(--card-shadow);
            background: #fff;
            margin: 2rem 0;
        }
        .compare-panel {
            padding: 34px;
        }
        .compare-panel.left {
            background: #f5f7f6;
        }
        .compare-panel.right {
            background: #ffffff;
            border-left: 1px solid var(--hairline);
            box-shadow: inset 0 0 0 2px rgba(217, 164, 65, .15);
        }
        .compare-panel h4 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-strong);
            margin-bottom: 20px;
        }
        .compare-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 9px 0;
            border-bottom: 1px dashed rgba(16, 48, 43, .08);
            font-size: 15px;
            line-height: 1.6;
            color: var(--text-body);
        }
        .compare-item .icon {
            color: #a3aea9;
            font-size: 14px;
            flex-shrink: 0;
        }
        .compare-panel.right .compare-item .icon {
            color: var(--brand-primary);
        }
        .compare-note {
            margin-top: 20px;
            font-size: 14px;
            background: var(--brand-mist);
            padding: 10px 14px;
            border-radius: 10px;
        }

        /* FAQ ===== */
        .faq-layout {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 3rem;
        }
        .faq-sticky {
            position: sticky;
            top: 140px;
            align-self: start;
        }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--hairline);
            margin-bottom: 12px;
            transition: .25s;
        }
        .faq-item[open] {
            border-color: rgba(11, 92, 74, .28);
            box-shadow: 0 6px 16px rgba(13, 72, 62, .04);
        }
        .faq-item summary {
            cursor: pointer;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-strong);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 24px;
            color: var(--brand-light);
            font-weight: 400;
            transition: transform .3s;
            line-height: 1;
        }
        .faq-item[open] summary::after {
            content: '\00D7';
        }
        .faq-answer {
            padding: 0 22px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px dashed var(--hairline);
            padding-top: 14px;
            margin-top: 4px;
        }

        /* Contact ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 3rem;
            background: var(--text-strong);
            border-radius: 28px;
            padding: 4rem;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .contact-grid::after {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 164, 65, .26), transparent 66%);
            right: 6%;
            bottom: -60px;
        }
        .contact-left .section-title {
            color: #fff;
        }
        .contact-left .section-intro {
            color: rgba(255, 255, 255, .7);
        }
        .field {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }
        .field label {
            font-size: 14px;
            color: rgba(255, 255, 255, .86);
        }
        .field input,
        .field textarea {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 12px;
            padding: 13px 16px;
            color: #fff;
            font-size: 15px;
            outline: none;
            transition: .2s;
        }
        .field input:focus,
        .field textarea:focus {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(217, 164, 65, .7);
        }
        .field input::placeholder,
        .field textarea::placeholder {
            color: rgba(255, 255, 255, .43);
        }
        .check-item {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 14px;
            margin-bottom: 20px;
        }
        .check-item input[type=checkbox] {
            accent-color: var(--brand-accent);
        }

        /* Footer ===== */
        .site-footer {
            background: #0E2721;
            color: rgba(255, 255, 255, .72);
            margin-top: 6rem;
        }
        .footer-inner {
            max-width: var(--container);
            padding: 0 2rem;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            padding-top: 4rem;
            padding-bottom: 3.5rem;
        }
        .footer-bottom {
            max-width: var(--container);
            margin: 0 auto;
            padding: 1.6rem 2rem;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: 13px;
            color: rgba(255, 255, 255, .42);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .5rem;
        }
        .footer-link-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-link-group a {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            transition: .2s;
        }
        .footer-link-group a:hover {
            color: #e3d2a5;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-logo .logo-mark {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-radius: 10px;
        }
        .footer-credit {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.7;
            max-width: 360px;
        }

        /* Responsive ===== */
        @media (max-width:1023px) {
            .seg-nav {
                display: none;
            }
            .mobile-menu {
                display: block;
                margin-left: auto;
            }
            .nav-cta {
                margin-left: auto;
                margin-right: 8px;
            }
        }
        @media (max-width:820px) {
            .split-about,
            .faq-layout,
            .compare-wrap,
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .compare-panel.right {
                border-left: none;
            }
            .contact-grid {
                padding: 2.4rem 1.6rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .section-pad {
                padding: 4.5rem 0;
            }
            .container-custom {
                padding: 0 1.25rem;
            }
            .topbar-inner {
                padding: 0 1rem;
            }
            .nav-inner {
                padding: 0 1rem;
            }
            .stat-band {
                padding: 2.2rem 1.4rem;
            }
            .hero-cat {
                min-height: 420px;
                padding: 4rem 0;
            }
            .hero-metric-chip {
                display: none;
            }
            .faq-sticky {
                position: static;
                top: auto;
            }
        }
        @media (max-width:520px) {
            .topbar-links {
                display: none;
            }
            .topbar-inner {
                justify-content: center;
            }
            .nav-cta {
                display: none;
            }
            .mobile-menu {
                margin-left: auto;
            }
            body {
                font-size: 16px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category2 */
:root {
    --brand-primary: #0B5C4A;
    --brand-light: #3E9E83;
    --brand-accent: #D9A441;
    --brand-mist: #E9F2F0;
    --bg-soft: #F4F9F7;
    --bg-deep: #0E2721;
    --text-strong: #112A25;
    --text-body: #2F3D3A;
    --text-muted: #67807A;
    --text-subtle: #9AAEA8;
    --hairline: 1px solid rgba(16, 48, 43, 0.10);
    --radius-xl: 20px;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-full: 999px;
    --shadow-card: 0 2px 8px rgba(13, 72, 62, 0.04), 0 10px 25px -15px rgba(13, 72, 62, 0.08);
    --shadow-hover: 0 8px 25px -6px rgba(13, 72, 62, 0.14), 0 20px 34px -18px rgba(13, 72, 62, 0.12);
    --brand-gradient: linear-gradient(96deg, #0B5C4A, #3E9E83 68%, #5DBB9D);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei V2", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-body);
    background: #FFFFFF;
    -webkit-font-smoothing: antialiased;
  }

  body,
  button,
  input,
  textarea {
    font-family: inherit;
  }

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

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

  ul,
  ol {
    list-style: none;
  }

  input,
  textarea,
  button {
    border: 0;
    border-radius: 0;
    background: transparent;
    color: inherit;
  }

  button {
    cursor: pointer;
  }

  :focus-visible {
    outline: 2px solid var(--brand-light);
    outline-offset: 3px;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .section {
    padding: 6rem 0;
  }

  .soft-bg {
    background: var(--bg-soft);
  }

  .white-bg {
    background: #FFFFFF;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    background: var(--brand-mist);
    color: var(--brand-primary);
    border-radius: var(--radius-full);
    padding: .35rem 1rem;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .08em;
    border: 1px solid rgba(11, 92, 74, .08);
  }

  .eyebrow-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brand-accent);
  }

  .section-head {
    max-width: 760px;
    margin-bottom: 3rem;
  }

  .section-title {
    font-size: clamp(1.8rem, 2.6vw + .9rem, 2.6rem);
    line-height: 1.25;
    color: var(--text-strong);
    font-weight: 780;
    letter-spacing: -.02em;
    margin-top: .9rem;
  }

  .section-sub {
    margin-top: 1.05rem;
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 660px;
  }

  /* ---------- 按钮 ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    border-radius: var(--radius-full);
    padding: .8rem 1.5rem;
    font-weight: 700;
    font-size: .95rem;
    line-height: 1.3;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, filter .2s ease;
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--brand-gradient);
    color: #FFFFFF;
    box-shadow: 0 8px 22px -8px rgba(11, 92, 74, .55);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px -10px rgba(11, 92, 74, .55);
    filter: brightness(1.04);
  }

  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 5px 14px -8px rgba(11, 92, 74, .6);
  }

  .btn-secondary {
    border: 1px solid rgba(255, 255, 255, .68);
    color: #FFFFFF;
    background: rgba(255, 255, 255, .12);
  }

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

  .btn-outline {
    border: 1px solid rgba(11, 92, 74, .28);
    color: var(--brand-primary);
    background: #FFFFFF;
  }

  .btn-outline:hover {
    border-color: var(--brand-primary);
    background: var(--brand-mist);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -16px rgba(11, 92, 74, .5);
  }

  /* ---------- 顶部与导航 ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 1px 0 rgba(18, 42, 37, .08), 0 8px 30px -18px rgba(18, 42, 37, .18);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }

  .topbar {
    background: var(--brand-primary);
    color: rgba(255, 255, 255, .94);
    font-size: 13px;
    line-height: 1;
  }

  .topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    min-height: 36px;
    padding-left: 2rem;
    padding-right: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .topbar-links {
    display: flex;
    align-items: center;
    gap: 1.4rem;
  }

  .topbar-links a {
    color: rgba(255, 255, 255, .8);
    transition: opacity .2s ease;
  }

  .topbar-links a:hover {
    color: #FFFFFF;
  }

  .site-nav {
    position: relative;
  }

  .nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    min-height: 84px;
    padding-left: 2rem;
    padding-right: 2rem;
    display: flex;
    align-items: center;
    gap: .8rem;
  }

  .logo-area {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    flex-shrink: 0;
  }

  .logo-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--brand-gradient);
    color: #FFFFFF;
    box-shadow: 0 10px 20px -10px rgba(11, 92, 74, .55);
  }

  .logo-mark svg {
    width: 25px;
    height: 25px;
  }

  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
  }

  .logo-sup {
    color: var(--brand-light);
    font-size: .72rem;
    letter-spacing: .3em;
    font-weight: 700;
    text-transform: uppercase;
  }

  .logo-main {
    color: var(--text-strong);
    font-weight: 820;
    font-size: 1.3rem;
    letter-spacing: -.02em;
  }

  .seg-nav {
    display: flex;
    align-items: center;
    gap: .3rem;
    background: #F1F7F5;
    border-radius: var(--radius-full);
    padding: .4rem;
    margin-left: .8rem;
    flex-shrink: 0;
  }

  .tab-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    padding: .55rem 1.05rem;
    font-size: .92rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    transition: all .2s ease;
    white-space: nowrap;
  }

  .tab-link:hover {
    background: rgba(255, 255, 255, .72);
    color: var(--text-strong);
  }

  .tab-link.active {
    background: #FFFFFF;
    color: var(--brand-primary);
    box-shadow: 0 4px 14px -8px rgba(11, 92, 74, .34);
  }

  .nav-cta {
    margin-left: auto;
    border-radius: var(--radius-full);
    background: var(--brand-gradient);
    color: #FFFFFF;
    padding: .72rem 1.2rem;
    font-weight: 700;
    font-size: .9rem;
    box-shadow: 0 6px 18px -8px rgba(11, 92, 74, .6);
    transition: all .2s ease;
    white-space: nowrap;
  }

  .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -10px rgba(11, 92, 74, .55);
    filter: brightness(1.04);
  }

  .mobile-menu {
    display: none;
    margin-left: auto;
    position: relative;
  }

  .mobile-menu summary {
    list-style: none;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--brand-mist);
    color: var(--brand-primary);
    font-size: 1.35rem;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu-list {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: min(76vw, 320px);
    background: #FFFFFF;
    border: var(--hairline);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-hover);
    padding: .75rem;
    display: flex;
    flex-direction: column;
    gap: .4rem;
    z-index: 60;
  }

  .mobile-menu-list a {
    display: block;
    border-radius: 12px;
    padding: .75rem 1rem;
    color: var(--text-body);
    font-weight: 600;
    font-size: .96rem;
    transition: background .2s ease;
  }

  .mobile-menu-list a:hover {
    background: var(--brand-mist);
    color: var(--brand-primary);
  }

  /* ---------- 分类页 Hero ---------- */
  .category-hero {
    position: relative;
    color: #FFFFFF;
    background:
      linear-gradient(105deg, rgba(5, 48, 38, .96) 0%, rgba(10, 76, 62, .92) 48%, rgba(49, 137, 113, .78) 100%),
      url("/assets/images/backpic/back-1.png") center / cover no-repeat;
    background-attachment: fixed;
    overflow: hidden;
  }

  .category-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 80% 20%, rgba(217, 164, 65, .18) 0, rgba(217, 164, 65, 0) 28%);
  }

  .category-hero-inner {
    position: relative;
    z-index: 2;
    padding: 5.2rem 0 5.8rem;
  }

  .hero-cols {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .88fr);
    gap: 3.5rem;
    align-items: center;
  }

  .hero-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .5rem;
    font-size: .85rem;
    color: rgba(255, 255, 255, .72);
    margin-bottom: 1.5rem;
  }

  .hero-breadcrumb a:hover {
    color: #FFFFFF;
  }

  .breadcrumb-sep {
    opacity: .55;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius-full);
    padding: .35rem .9rem;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .08em;
    color: rgba(255, 255, 255, .9);
    margin-bottom: 1.3rem;
  }

  .hero-kicker::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--brand-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(217, 164, 65, .18);
  }

  .category-hero h1 {
    font-size: clamp(1.85rem, 3.5vw + .5rem, 2.9rem);
    line-height: 1.18;
    font-weight: 820;
    letter-spacing: -.03em;
    color: #FFFFFF;
    max-width: 14em;
  }

  .hero-desc {
    margin-top: 1.4rem;
    font-size: 1.08rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, .85);
    max-width: 42rem;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .8rem;
    margin-top: 2rem;
  }

  .hero-panel {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 24px;
    padding: 1.6rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .hero-panel-title {
    font-size: .85rem;
    font-weight: 700;
    color: rgba(255, 255, 255, .7);
    letter-spacing: .1em;
    margin-bottom: 1.2rem;
  }

  .hero-panel-list {
    display: grid;
    gap: 1rem;
  }

  .hero-panel-item {
    display: flex;
    align-items: flex-start;
    gap: .8rem;
  }

  .hp-ico {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, .14);
    border-radius: 12px;
    color: var(--brand-accent);
  }

  .hp-ico svg {
    width: 19px;
    height: 19px;
  }

  .hp-name {
    font-size: .9rem;
    color: rgba(255, 255, 255, .82);
  }

  .hp-num {
    color: #FFFFFF;
    font-weight: 780;
    font-size: 1.25rem;
    line-height: 1.2;
    font-feature-settings: "tnum";
  }

  .hero-scroll {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-top: 2rem;
    color: rgba(255, 255, 255, .62);
    font-size: .84rem;
  }

  .hero-scroll .arrow {
    transition: transform .3s ease;
  }

  .hero-scroll:hover .arrow {
    transform: translateY(4px);
  }

  /* ---------- 分类介绍 ---------- */
  .intro-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
    gap: 4rem;
    align-items: center;
  }

  .intro-list {
    display: grid;
    gap: .85rem;
    margin-top: 1.8rem;
  }

  .intro-list li {
    display: flex;
    gap: .7rem;
    align-items: flex-start;
    padding: .85rem 1.1rem;
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    border: 1px solid rgba(11, 92, 74, .06);
    font-weight: 500;
  }

  .check-mark {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: var(--brand-light);
    border-radius: 50%;
    color: #FFFFFF;
    font-size: .75rem;
    font-weight: 800;
    margin-top: .25rem;
  }

  .intro-fig {
    position: relative;
  }

  .intro-fig img {
    border-radius: 24px;
    object-fit: cover;
    width: 100%;
    aspect-ratio: 4 / 3;
    box-shadow: var(--shadow-hover);
  }

  .fig-card {
    position: absolute;
    left: -1.1rem;
    bottom: 1.4rem;
    background: rgba(255, 255, 255, .92);
    border: 1px solid rgba(11, 92, 74, .1);
    border-radius: 18px;
    padding: .8rem 1.25rem;
    box-shadow: var(--shadow-hover);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-size: .9rem;
    color: var(--text-strong);
    font-weight: 700;
  }

  .fig-card span {
    color: var(--brand-light);
    font-weight: 800;
  }

  /* ---------- 指南模块卡片 ---------- */
  .guide-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
  }

  .guide-card {
    position: relative;
    background: #FFFFFF;
    border: var(--hairline);
    border-radius: var(--radius-xl);
    padding: 1.8rem 1.7rem 1.5rem;
    box-shadow: var(--shadow-card);
    transition: transform .22s ease, box-shadow .22s ease;
    overflow: hidden;
  }

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

  .guide-card .corner {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-accent);
    opacity: .8;
  }

  .guide-card .corner.plain {
    background: rgba(11, 92, 74, .14);
  }

  .card-module {
    display: block;
    font-size: .78rem;
    letter-spacing: .12em;
    color: var(--brand-light);
    font-weight: 800;
    margin-bottom: .8rem;
  }

  .guide-card h3 {
    color: var(--text-strong);
    font-size: 1.22rem;
    font-weight: 750;
    line-height: 1.4;
    margin-bottom: .7rem;
    padding-right: 1rem;
  }

  .guide-card p {
    color: var(--text-muted);
    font-size: .96rem;
    line-height: 1.75;
    margin-bottom: 1.4rem;
  }

  .guide-card-foot {
    display: flex;
    align-items: center;
    gap: .5rem;
    border-top: 1px solid rgba(16, 48, 43, .07);
    padding-top: 1rem;
    font-size: .86rem;
    color: var(--brand-primary);
    font-weight: 650;
  }

  .guide-card-limit {
    margin-top: .35rem;
    font-size: .82rem;
    color: var(--text-subtle);
    font-weight: 400;
  }

  /* ---------- 流程区 ---------- */
  .process-wrap {
    background: linear-gradient(120deg, #0E2721 0%, #103A31 58%, #155647 100%);
    border-radius: 28px;
    padding: 4.2rem 3.8rem;
    color: rgba(255, 255, 255, .9);
  }

  .process-wrap .section-title {
    color: #FFFFFF;
  }

  .process-wrap .section-sub {
    color: rgba(255, 255, 255, .68);
  }

  .timeline {
    display: grid;
    gap: .6rem;
    margin-top: 2.8rem;
  }

  .timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 1.1rem;
    padding: 1.15rem 1.3rem;
    background: rgba(255, 255, 255, .055);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 18px;
    transition: background .2s ease;
  }

  .timeline-item:hover {
    background: rgba(255, 255, 255, .09);
  }

  .step-number {
    color: var(--brand-accent);
    font-size: 2rem;
    font-weight: 760;
    line-height: 1;
    font-feature-settings: "tnum";
    letter-spacing: -.04em;
  }

  .timeline-item h3 {
    color: #FFFFFF;
    font-size: 1.12rem;
    font-weight: 700;
    margin-bottom: .35rem;
  }

  .timeline-item p {
    color: rgba(255, 255, 255, .68);
    font-size: .96rem;
    line-height: 1.75;
    max-width: 68ch;
  }

  /* ---------- 适合谁 ---------- */
  .audience-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
  }

  .audience-card {
    border-radius: var(--radius-xl);
    padding: 2rem 1.8rem;
    background: #FFFFFF;
    border: var(--hairline);
    box-shadow: var(--shadow-card);
    transition: transform .2s ease, box-shadow .2s ease;
  }

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

  .audience-tag {
    display: inline-block;
    border-radius: var(--radius-full);
    background: var(--brand-mist);
    color: var(--brand-primary);
    font-size: .76rem;
    font-weight: 750;
    padding: .28rem .85rem;
    margin-bottom: 1rem;
  }

  .audience-card h3 {
    font-size: 1.2rem;
    color: var(--text-strong);
    line-height: 1.4;
    margin-bottom: .6rem;
    font-weight: 750;
  }

  .audience-card p {
    font-size: .96rem;
    color: var(--text-muted);
    line-height: 1.75;
  }

  .audience-note {
    margin-top: 2.2rem;
    background: #FFFFFF;
    border-left: 4px solid var(--brand-accent);
    border-radius: 0 16px 16px 0;
    box-shadow: var(--shadow-card);
    padding: 1.1rem 1.5rem;
    font-size: .98rem;
    color: var(--text-body);
  }

  /* ---------- FAQ ---------- */
  .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, .76fr) minmax(0, 1.24fr);
    gap: 4rem;
    align-items: start;
  }

  .faq-side {
    position: sticky;
    top: 130px;
  }

  .faq-list {
    display: grid;
    gap: .9rem;
  }

  .faq-item {
    background: #FFFFFF;
    border: var(--hairline);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow .2s ease;
  }

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

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 1.45rem;
    cursor: pointer;
    list-style: none;
    font-size: 1.02rem;
    font-weight: 680;
    color: var(--text-strong);
    transition: background .2s ease;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::after {
    content: "+";
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--brand-mist);
    color: var(--brand-primary);
    font-size: 1.2rem;
    font-weight: 500;
    transition: transform .2s ease, background .2s ease;
  }

  .faq-item[open] summary::after {
    transform: rotate(45deg);
    background: var(--brand-primary);
    color: #FFFFFF;
  }

  .faq-item[open] summary {
    background: #FBFDFC;
  }

  .faq-body {
    border-top: 1px solid rgba(16, 48, 43, .06);
    padding: 1.1rem 1.45rem 1.3rem;
    color: var(--text-muted);
    font-size: .97rem;
    line-height: 1.8;
  }

  /* ---------- 表单 CTA ---------- */
  .contact-wrap {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 3.5rem;
    align-items: center;
  }

  .contact-copy h2 {
    font-size: clamp(1.8rem, 2.6vw + .8rem, 2.5rem);
    font-weight: 800;
    color: var(--text-strong);
    line-height: 1.3;
    letter-spacing: -.02em;
    margin-bottom: 1.2rem;
  }

  .contact-copy p {
    color: var(--text-muted);
    max-width: 48ch;
    font-size: 1rem;
    line-height: 1.85;
  }

  .contact-points {
    margin-top: 1.6rem;
    display: grid;
    gap: .8rem;
  }

  .contact-point {
    display: flex;
    align-items: center;
    gap: .7rem;
    font-weight: 600;
    color: var(--text-body);
    font-size: .95rem;
  }

  .contact-point .dot {
    width: 26px;
    height: 26px;
    border-radius: 9px;
    background: var(--brand-mist);
    color: var(--brand-primary);
    display: grid;
    place-items: center;
    font-size: .8rem;
    flex-shrink: 0;
  }

  .form-panel {
    background: #FFFFFF;
    border: 1px solid rgba(16, 48, 43, .09);
    border-radius: 26px;
    box-shadow: var(--shadow-hover);
    padding: 2rem 2.1rem 2.2rem;
  }

  .form-panel-title {
    font-size: 1.35rem;
    font-weight: 780;
    color: var(--text-strong);
    margin-bottom: .3rem;
  }

  .form-panel-sub {
    color: var(--text-muted);
    font-size: .95rem;
    margin-bottom: 1.7rem;
  }

  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
  }

  .form-field {
    display: flex;
    flex-direction: column;
    gap: .45rem;
  }

  .form-field.full {
    grid-column: span 2;
  }

  .form-field label {
    font-size: .85rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: .02em;
  }

  .form-field input,
  .form-field textarea {
    width: 100%;
    border: 1px solid rgba(16, 48, 43, .14);
    background: #FFFFFF;
    border-radius: 12px;
    padding: .85rem 1rem;
    font-size: .98rem;
    color: var(--text-strong);
    transition: border .2s ease, box-shadow .2s ease;
  }

  .form-field input:focus,
  .form-field textarea:focus {
    border-color: var(--brand-light);
    box-shadow: 0 0 0 4px rgba(62, 158, 131, .16);
    outline: none;
  }

  .form-field textarea {
    min-height: 120px;
    resize: vertical;
  }

  .form-check {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    grid-column: span 2;
    margin-top: .2rem;
  }

  .form-check input {
    width: 18px;
    height: 18px;
    margin-top: .3rem;
  }

  .form-check label {
    color: var(--text-muted);
    font-size: .88rem;
    line-height: 1.6;
  }

  .form-submit-row {
    grid-column: span 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: .6rem;
  }

  .submit-btn {
    padding: .9rem 1.7rem;
    background: var(--brand-gradient);
    color: #FFFFFF;
    border-radius: var(--radius-full);
    font-weight: 750;
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    box-shadow: 0 12px 24px -12px rgba(11, 92, 74, .65);
    transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, opacity .2s ease;
  }

  .submit-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.04);
    box-shadow: 0 16px 28px -12px rgba(11, 92, 74, .6);
  }

  .submit-btn.is-loading {
    opacity: .8;
    pointer-events: none;
  }

  .submit-btn .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, .6);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: spin .7s linear infinite;
  }

  .submit-btn.is-loading .spinner {
    display: inline-block;
  }

  @keyframes spin {
    to {
      transform: rotate(360deg);
    }
  }

  .form-status {
    grid-column: span 2;
  }

  .alert-success,
  .alert-error {
    border-radius: 12px;
    padding: .9rem 1.1rem;
    font-size: .95rem;
    font-weight: 500;
  }

  .alert-success {
    background: #E7F5EF;
    color: #11624A;
    border: 1px solid rgba(17, 98, 74, .15);
  }

  .alert-error {
    background: #FEEDE6;
    color: #A84C24;
    border: 1px solid rgba(168, 76, 36, .15);
  }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: #0E2721;
    color: #CADBD6;
  }

  .footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4.5rem 2rem 2.5rem;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .8fr) minmax(0, .8fr);
    gap: 3.5rem;
  }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: .7rem;
    margin-bottom: 1rem;
  }

  .footer-logo-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    color: #FFFFFF;
    background: var(--brand-gradient);
  }

  .footer-logo-mark svg {
    width: 22px;
    height: 22px;
  }

  .footer-logo-text {
    color: #FFFFFF;
    font-weight: 820;
    font-size: 1.18rem;
    letter-spacing: -.02em;
  }

  .footer-logo-text small {
    display: block;
    color: #8FB4AA;
    font-size: .72rem;
    letter-spacing: .25em;
    font-weight: 700;
  }

  .footer-desc {
    color: rgba(202, 219, 214, .68);
    max-width: 32rem;
    line-height: 1.85;
    font-size: .97rem;
  }

  .footer-title {
    color: #FFFFFF;
    font-size: .9rem;
    margin-bottom: 1.1rem;
    letter-spacing: .06em;
    font-weight: 750;
  }

  .footer-links {
    display: grid;
    gap: .65rem;
  }

  .footer-links a {
    color: rgba(202, 219, 214, .82);
    transition: color .2s ease, padding-left .2s ease;
    line-height: 1.4;
  }

  .footer-links a:hover {
    color: #D9C4A4;
    padding-left: .4rem;
  }

  .footer-bottom {
    border-top: 1px solid rgba(202, 219, 214, .12);
    margin-top: 3.5rem;
    padding-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    color: rgba(202, 219, 214, .5);
    font-size: .84rem;
  }

  .footer-bottom a {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: rgba(202, 219, 214, .7);
    transition: color .2s ease;
  }

  .footer-bottom a:hover {
    color: #FFFFFF;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 1100px) {
    .guide-grid,
    .audience-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-cols {
      gap: 2.2rem;
    }
  }

  @media (max-width: 1023px) {
    .seg-nav,
    .nav-cta {
      display: none;
    }

    .mobile-menu {
      display: block;
    }

    .nav-inner {
      min-height: 74px;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    .topbar-inner {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    .hero-cols,
    .intro-split,
    .faq-layout,
    .contact-wrap {
      grid-template-columns: 1fr;
    }

    .faq-side {
      position: static;
    }

    .hero-panel {
      max-width: 520px;
    }

    .process-wrap {
      padding: 3rem 1.6rem;
    }

    .category-hero-inner {
      padding: 4rem 0 4.2rem;
    }

    .site-nav {
      position: relative;
    }
  }

  @media (max-width: 760px) {
    .topbar {
      display: none;
    }

    .section {
      padding: 4.2rem 0;
    }

    .container {
      padding-left: 1.2rem;
      padding-right: 1.2rem;
    }

    .nav-inner {
      padding-left: 1.15rem;
      padding-right: 1.15rem;
    }

    .guide-grid,
    .audience-grid,
    .footer-grid,
    .form-grid {
      grid-template-columns: 1fr;
    }

    .intro-fig .fig-card {
      left: .6rem;
      bottom: .6rem;
      padding: .65rem .9rem;
      font-size: .8rem;
    }

    .form-field.full,
    .form-check,
    .form-submit-row,
    .form-status {
      grid-column: span 1;
    }

    .footer-inner {
      padding: 3.2rem 1.2rem 2rem;
    }

    .footer-grid {
      gap: 2.4rem;
    }

    .category-hero h1 {
      font-size: 1.75rem;
    }

    .hero-desc {
      font-size: 1rem;
    }

    .category-hero {
      background-attachment: scroll;
    }

    .process-wrap {
      border-radius: 18px;
    }

    .timeline-item {
      grid-template-columns: 48px minmax(0, 1fr);
      padding: 1rem;
    }

    .step-number {
      font-size: 1.55rem;
    }

    .btn {
      padding: .78rem 1.1rem;
    }
  }

  @media (max-width: 520px) {
    body {
      font-size: 16px;
    }

    .section-title {
      font-size: 1.65rem;
    }

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

    .form-panel {
      padding: 1.5rem 1.2rem;
    }

    .guide-card {
      padding: 1.4rem 1.2rem 1.2rem;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.001s !important;
      transition-duration: 0.001s !important;
      scroll-behavior: auto !important;
    }
  }