/* roulang page: index */
:root {
  --primary: #E8590C;
  --primary-dark: #C7511C;
  --teal: #0F4C4C;
  --teal-deep: #0A2E2A;
  --teal-light: #E8F2F0;
  --honey: #F5B300;
  --bg-warm: #FDF9F3;
  --card-bg: #FFFFFF;
  --text-dark: #2B2825;
  --text-muted: #6B655E;
  --border-light: #E8E2DA;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-card: 0 2px 8px rgba(43,40,37,.06);
  --shadow-hover: 0 8px 24px rgba(43,40,37,.12);
  --container-width: 1200px;
  --header-height: 64px;
  --space-section: 72px;
  --space-section-mobile: 48px;
  --transition: 0.25s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-warm);
  color: var(--text-dark);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.5px;
  position: relative;
  display: inline-block;
  padding-left: 20px;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--primary);
  border-radius: 2px;
}
.section-head p {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 14px;
}
.section-head--between {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  text-align: left;
}
.section-head--between h2 { padding-left: 20px; }
.section-head--between h2::before { left: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition);
  border: 1px solid transparent;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,89,12,.3);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: rgba(232,89,12,.08);
  transform: translateY(-2px);
}
.btn-cta {
  background: var(--honey);
  color: var(--teal-deep);
  font-weight: 700;
}
.btn-cta:hover {
  background: #fdbd20;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,179,0,.35);
  color: var(--teal-deep);
}
.btn-block { width: 100%; }
.btn-sm { height: 38px; padding: 0 20px; font-size: 14px; }
/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(253,249,243,.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 36px;
  width: 55%;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 45%;
  justify-content: flex-end;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-dark);
}
.main-nav ul {
  display: flex;
  gap: 28px;
}
.main-nav li a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 2px;
  position: relative;
  transition: color var(--transition);
}
.main-nav li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}
.main-nav li a:hover,
.main-nav li.active a {
  color: var(--primary);
}
.main-nav li a:hover::after,
.main-nav li.active a::after {
  transform: scaleX(1);
}
.nav-search {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}
.nav-search:hover {
  color: var(--primary);
  border-color: var(--primary);
}
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-dark);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: #fff;
}
/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border-light);
  z-index: 999;
  padding: 16px 24px 24px;
  box-shadow: 0 12px 24px rgba(0,0,0,.06);
}
.mobile-menu.active { display: block; }
.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu li a {
  display: block;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: 8px;
  transition: background var(--transition);
}
.mobile-menu li.active a,
.mobile-menu li a:hover {
  background: var(--teal-light);
  color: var(--primary);
}
/* Hero */
.hero {
  padding-top: var(--header-height);
  min-height: 100vh;
  background: var(--bg-warm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 3px solid rgba(232,89,12,.12);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 260px;
  height: 260px;
  background: linear-gradient(rgba(15,76,76,.05) 1px, transparent 1px),
              linear-gradient(90deg, rgba(15,76,76,.05) 1px, transparent 1px);
  background-size: 16px 16px;
  pointer-events: none;
}
.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 48px;
  align-items: center;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px 56px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-light);
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero-tag i { color: var(--primary); }
.hero h1 {
  font-size: clamp(32px, 4.2vw, 50px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text-dark);
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 440px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  position: relative;
}
.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-hover);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.hero-badge {
  position: absolute;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-hover);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  white-space: nowrap;
}
.hero-badge i {
  color: var(--primary);
  font-size: 16px;
}
.badge-1 {
  top: -14px;
  left: -18px;
  transform: rotate(-2deg);
}
.badge-2 {
  bottom: -14px;
  right: -10px;
  transform: rotate(2deg);
}
.badge-3 {
  top: 32%;
  right: -22px;
  transform: rotate(-1deg);
}
/* Stats */
.stats-bar {
  background: var(--teal-light);
  padding: 40px 0;
  border-top: 1px solid rgba(15,76,76,.08);
  border-bottom: 1px solid rgba(15,76,76,.08);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num {
  font-size: 34px;
  font-weight: 800;
  color: var(--teal);
  line-height: 1.2;
  font-feature-settings: "tnum";
}
.stat-num span {
  font-size: 18px;
  font-weight: 600;
  margin-left: 2px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}
/* Value Props */
.value-props {
  padding: var(--space-section) 0;
}
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card.white-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
}
.value-card.dark-card {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 8px 24px rgba(15,76,76,.2);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.value-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.white-card .value-icon {
  background: var(--teal-light);
  color: var(--teal);
}
.dark-card .value-icon {
  background: rgba(255,255,255,.15);
  color: var(--honey);
}
.value-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.value-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}
.dark-card p {
  color: rgba(255,255,255,.8);
}
/* Features */
.features {
  padding: var(--space-section) 0;
  background: #fff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.feature-block {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
.feature-block--b {
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "text image";
}
.feature-block--b .feature-text-col { grid-area: text; }
.feature-block--b .feature-image { grid-area: image; }
.feature-large {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 280px;
  box-shadow: var(--shadow-card);
}
.feature-large img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.feature-large:hover img {
  transform: scale(1.03);
}
.feature-large-text {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 28px 24px;
  background: linear-gradient(transparent, rgba(0,0,0,.65));
  color: #fff;
}
.feature-large-text h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.feature-large-text p {
  font-size: 14px;
  opacity: .9;
}
.feature-small-col {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
}
.feature-small {
  background: var(--bg-warm);
  border-radius: var(--radius-card);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid var(--border-light);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-small:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-small-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.feature-small-text h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.feature-small-text p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.feature-text-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
  background: var(--teal-light);
  border-radius: var(--radius-card);
}
.feature-text-col h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--teal);
}
.feature-text-col p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}
.feature-text-col ul {
  display: grid;
  gap: 10px;
}
.feature-text-col li {
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dark);
}
.feature-text-col li i {
  color: var(--primary);
}
.feature-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 260px;
  box-shadow: var(--shadow-card);
}
.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.feature-image:hover img {
  transform: scale(1.03);
}
/* Scenarios */
.scenarios {
  padding: var(--space-section) 0;
}
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scenario-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--border-light);
}
.scenario-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.scenario-img {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
}
.scenario-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.scenario-card:hover .scenario-img img {
  transform: scale(1.05);
}
.scenario-num {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 44px;
  font-weight: 800;
  color: rgba(255,255,255,.35);
  line-height: 1;
  pointer-events: none;
}
.scenario-card h3 {
  font-size: 18px;
  font-weight: 700;
  padding: 20px 24px 6px;
}
.scenario-card p {
  font-size: 14px;
  color: var(--text-muted);
  padding: 0 24px 24px;
  line-height: 1.6;
}
/* Cases */
.cases {
  padding: var(--space-section) 0;
  background: var(--teal-light);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.case-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
  transition: transform var(--transition), box-shadow var(--transition);
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.case-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.case-logo i {
  font-size: 28px;
  color: var(--primary);
}
.case-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}
.case-data {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  background: var(--teal-light);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--teal);
  font-weight: 600;
}
.case-data strong {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  font-feature-settings: "tnum";
}
.case-card--accent {
  background: var(--teal);
  border-color: var(--teal);
}
.case-card--accent .case-logo {
  color: #fff;
}
.case-card--accent .case-logo i {
  color: var(--honey);
}
.case-card--accent .case-desc {
  color: rgba(255,255,255,.8);
}
.case-card--accent .case-data {
  background: rgba(255,255,255,.12);
  color: #fff;
}
.case-card--accent .case-data strong {
  color: var(--honey);
}
/* Pricing */
.pricing {
  padding: var(--space-section) 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.pricing-card--featured {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  box-shadow: 0 12px 32px rgba(15,76,76,.25);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--honey);
  color: var(--teal-deep);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(245,179,0,.3);
  white-space: nowrap;
}
.pricing-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
}
.pricing-card--featured h3 {
  color: #fff;
}
.price {
  text-align: center;
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text-dark);
  font-feature-settings: "tnum";
}
.pricing-card--featured .price {
  color: #fff;
}
.price .currency {
  font-size: 24px;
  vertical-align: super;
  margin-right: 2px;
}
.price .period {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 400;
}
.pricing-card--featured .price .period {
  color: rgba(255,255,255,.7);
}
.pricing-card ul {
  display: grid;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}
.pricing-card li {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.5;
}
.pricing-card--featured li {
  color: rgba(255,255,255,.85);
}
.pricing-card li i {
  color: var(--primary);
  font-size: 13px;
  flex-shrink: 0;
}
.pricing-card--featured li i {
  color: var(--honey);
}
/* News */
.latest-news {
  padding: var(--space-section) 0;
  background: #fff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.view-all:hover {
  border-color: var(--primary);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.news-card__link {
  display: block;
  height: 100%;
}
.news-card__img {
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--teal-light);
}
.news-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-card__img img {
  transform: scale(1.03);
}
.news-card__tag {
  display: inline-block;
  margin: 20px 24px 0;
  background: var(--teal-light);
  color: var(--teal);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
}
.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 12px 24px 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition);
}
.news-card:hover h3 {
  color: var(--primary);
}
.news-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 24px 16px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px 20px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}
.empty-state {
  grid-column: 1 / -1;
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-card);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-warm);
}
.empty-state i {
  font-size: 32px;
  color: var(--border-light);
  margin-bottom: 12px;
  display: block;
}
.empty-state p {
  font-size: 15px;
}
/* FAQ */
.faq {
  padding: var(--space-section) 0;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item.active {
  box-shadow: var(--shadow-hover);
  border-color: rgba(232,89,12,.25);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  transition: color var(--transition);
}
.faq-question i {
  font-size: 14px;
  color: var(--text-muted);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-question {
  color: var(--primary);
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-answer {
  display: none;
  padding: 0 24px 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}
.faq-item.active .faq-answer {
  display: block;
}
/* CTA */
.cta {
  position: relative;
  background: var(--teal-deep);
  padding: 80px 0;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.cta::before {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(245,179,0,.15);
  pointer-events: none;
}
.cta::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 100%;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0, rgba(255,255,255,.03) 1px, transparent 1px, transparent 12px);
  pointer-events: none;
}
.cta .container {
  position: relative;
  z-index: 2;
}
.cta h2 {
  font-size: clamp(28px, 3.5vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta p {
  font-size: 16px;
  color: rgba(255,255,255,.7);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
/* Footer */
.site-footer {
  background: var(--teal-deep);
  color: rgba(255,255,255,.75);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .footer-logo i {
  font-size: 18px;
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.6);
  max-width: 280px;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links ul,
.footer-contact ul {
  display: grid;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--honey);
}
.footer-contact li {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.65);
}
.footer-contact li i {
  color: var(--honey);
  font-size: 13px;
  width: 18px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
/* Responsive */
@media (max-width: 1023px) {
  :root { --space-section: 58px; }
  .nav-left { width: 100%; }
  .nav-right { width: auto; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .nav-search { display: none; }
  .hero-container {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
  }
  .hero {
    min-height: auto;
    padding-bottom: 0;
  }
  .hero-visual img {
    max-height: 340px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }
  .value-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
    margin: 0 auto;
  }
  .feature-block {
    grid-template-columns: 1fr;
  }
  .feature-block--b {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }
  .feature-block--b .feature-text-col { grid-area: auto; }
  .feature-block--b .feature-image { grid-area: auto; }
  .scenario-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .case-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .news-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  :root { --space-section: var(--space-section-mobile); --header-height: 58px; }
  .container { padding: 0 20px; }
  .nav-container { padding: 0 20px; }
  .logo-text { font-size: 17px; }
  .logo-icon { width: 32px; height: 32px; font-size: 14px; }
  .hero-container { padding: 40px 20px 32px; }
  .hero h1 { font-size: 30px; }
  .hero-subtitle { font-size: 15px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
  .hero-badge { font-size: 12px; padding: 8px 12px; }
  .badge-1 { left: 0; top: -10px; }
  .badge-2 { right: 0; }
  .badge-3 { display: none; }
  .stats-bar { padding: 28px 0; }
  .stat-num { font-size: 26px; }
  .section-head { margin-bottom: 32px; }
  .section-head--between { flex-direction: column; align-items: flex-start; gap: 12px; }
  .value-card { padding: 24px 20px; }
  .feature-small { flex-direction: column; padding: 20px; }
  .feature-text-col { padding: 24px 20px; }
  .scenario-card h3 { padding: 16px 20px 4px; }
  .scenario-card p { padding: 0 20px 20px; }
  .case-card { padding: 24px 20px; }
  .pricing-card { padding: 28px 20px; }
  .news-card__tag { margin: 16px 20px 0; }
  .news-card h3 { margin: 10px 20px 6px; }
  .news-card p { margin: 0 20px 12px; }
  .news-card__meta { padding: 0 20px 16px; padding-top: 12px; }
  .faq-question { padding: 18px 20px; font-size: 15px; }
  .faq-answer { padding: 0 20px 18px; }
  .cta { padding: 56px 0; }
  .cta h2 { font-size: 26px; }
  .cta .btn { width: 100%; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { font-size: 12px; }
}

/* roulang page: category1 */
:root {
            --primary: #E8590C;
            --primary-dark: #C7511C;
            --deep: #0F4C4C;
            --deep-dark: #0A2E2A;
            --teal-light: #E8F2F0;
            --yellow: #F5B300;
            --bg: #FDF9F3;
            --card-bg: #FFFFFF;
            --text: #2B2825;
            --text-muted: #6B655E;
            --border: #E8E2DA;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 8px rgba(43, 40, 37, .06);
            --shadow-hover: 0 8px 24px rgba(43, 40, 37, .12);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 2;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -.5px;
            margin-bottom: 14px;
            color: var(--text);
        }

        .section-head h2::before {
            content: "";
            display: block;
            width: 36px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 0 auto 16px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.7;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all .25s;
            line-height: 1;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(232, 89, 12, .3);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid currentColor;
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(232, 89, 12, .08);
            color: var(--primary-dark);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .6);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        .btn-yellow {
            background: var(--yellow);
            color: var(--deep-dark);
        }
        .btn-yellow:hover {
            background: #ffc41a;
            transform: translateY(-2px);
            color: var(--deep-dark);
        }

        .btn-sm {
            height: 36px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(253, 249, 243, .92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--deep);
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

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

        .main-nav ul {
            display: flex;
            gap: 4px;
        }

        .main-nav a {
            display: block;
            padding: 8px 18px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 15px;
            color: var(--text);
        }

        .main-nav a:hover {
            background: rgba(232, 89, 12, .08);
            color: var(--primary);
        }

        .main-nav li.active a {
            background: var(--deep);
            color: #fff;
        }

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

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--text);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
        }
        .nav-toggle:hover {
            background: rgba(232, 89, 12, .08);
        }

        /* ===== 移动端抽屉 ===== */
        .mobile-drawer {
            position: fixed;
            top: 64px;
            right: -280px;
            width: 280px;
            height: calc(100vh - 64px);
            background: #fff;
            box-shadow: -4px 0 24px rgba(43, 40, 37, .10);
            z-index: 1001;
            padding: 32px 24px;
            transition: right .3s ease;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer ul li {
            margin-bottom: 4px;
        }

        .mobile-drawer ul a {
            display: block;
            padding: 14px 16px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
        }

        .mobile-drawer ul a:hover {
            background: rgba(232, 89, 12, .06);
            color: var(--primary);
        }

        .mobile-drawer ul li.active a {
            background: var(--deep);
            color: #fff;
        }

        .mobile-drawer .btn {
            margin-top: 24px;
            width: 100%;
        }

        .drawer-overlay {
            position: fixed;
            inset: 64px 0 0 0;
            background: rgba(43, 40, 37, .4);
            opacity: 0;
            visibility: hidden;
            transition: all .3s;
            z-index: 999;
        }
        .drawer-overlay.visible {
            opacity: 1;
            visibility: visible;
        }

        /* ===== 页头 Hero ===== */
        .page-hero {
            padding: 140px 0 72px;
            background: linear-gradient(120deg, rgba(10, 46, 42, .92) 0%, rgba(15, 76, 76, .88) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: #fff;
            position: relative;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border: 40px solid rgba(255, 255, 255, .04);
            border-radius: 50%;
        }

        .page-hero-grid {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 40px;
        }

        .page-hero-content {
            max-width: 620px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(245, 179, 0, .18);
            border: 1px solid rgba(245, 179, 0, .4);
            color: #f5c94e;
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .page-hero h1 {
            font-size: clamp(32px, 4.2vw, 50px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 16px;
            color: #fff;
        }

        .page-hero-content>p {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 540px;
        }

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

        .page-hero-breadcrumb {
            flex-shrink: 0;
            margin-top: 10px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: 8px 20px;
        }

        .page-hero-breadcrumb ul {
            display: flex;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }

        .page-hero-breadcrumb li+li::before {
            content: "/";
            margin-right: 8px;
            color: rgba(255, 255, 255, .4);
        }

        .page-hero-breadcrumb a:hover {
            color: var(--yellow);
        }

        /* ===== 价值主张区 ===== */
        .value-section {
            padding: 72px 0;
        }

        .value-section .row {
            max-width: 100%;
        }

        .value-section .columns {
            padding: 0 12px;
        }

        .value-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all .25s;
        }

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

        .value-card-dark {
            background: var(--deep);
            color: #fff;
            border-color: var(--deep);
            box-shadow: 0 8px 24px rgba(15, 76, 76, .22);
        }

        .value-card-dark:hover {
            box-shadow: 0 12px 32px rgba(15, 76, 76, .3);
        }

        .value-icon {
            width: 52px;
            height: 52px;
            background: rgba(232, 89, 12, .1);
            color: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
        }

        .value-card-dark .value-icon {
            background: rgba(245, 179, 0, .2);
            color: var(--yellow);
        }

        .value-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .value-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .value-card-dark p {
            color: rgba(255, 255, 255, .75);
        }

        /* ===== 内容方向区 ===== */
        .direction-section {
            padding: 72px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

        .direction-card {
            background: var(--bg);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid transparent;
            transition: all .25s;
        }

        .direction-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            background: #fff;
            transform: translateY(-4px);
        }

        .direction-icon {
            width: 44px;
            height: 44px;
            background: var(--teal-light);
            color: var(--deep);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .direction-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .direction-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== 获取流程区 ===== */
        .process-section {
            padding: 72px 0;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            max-width: 960px;
            margin: 0 auto;
        }

        .process-step {
            text-align: center;
            padding: 40px 24px 36px;
            background: var(--card-bg);
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all .25s;
            position: relative;
        }

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

        .step-num {
            font-size: 48px;
            font-weight: 800;
            color: rgba(15, 76, 76, .14);
            line-height: 1;
            margin-bottom: 12px;
            font-feature-settings: "tnum";
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== 精选资讯区 ===== */
        .featured-section {
            padding: 72px 0;
            background: var(--teal-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all .25s;
            display: flex;
            height: 100%;
        }

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

        .featured-cover {
            width: 260px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }

        .featured-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }

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

        .featured-body {
            padding: 22px 22px 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .featured-tag {
            align-self: flex-start;
            padding: 3px 12px;
            border-radius: 999px;
            background: var(--teal-light);
            color: var(--deep);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: .3px;
        }

        .featured-tag.is-yellow {
            background: rgba(245, 179, 0, .18);
            color: #8a6a00;
        }

        .featured-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .featured-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .featured-meta {
            margin-top: auto;
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .featured-meta span i {
            margin-right: 4px;
            font-size: 11px;
        }

        /* ===== FAQ 区 ===== */
        .faq-section {
            padding: 72px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .25s;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color .25s;
        }

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

        .faq-arrow {
            transition: transform .3s;
            color: var(--text-muted);
            flex-shrink: 0;
            margin-left: 16px;
            font-size: 13px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--deep-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(245, 179, 0, .14);
            border-radius: 50%;
            bottom: -120px;
            left: -80px;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 100%;
            background: repeating-linear-gradient(45deg, transparent, transparent 12px, rgba(255, 255, 255, .02) 12px, rgba(255, 255, 255, .02) 24px);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(28px, 3.5vw, 36px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .72);
            font-size: 16px;
            margin-bottom: 30px;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .75);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .footer-logo i {
            color: var(--yellow);
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
            color: rgba(255, 255, 255, .6);
        }

        .footer-links h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 8px;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--yellow);
        }

        .footer-contact i {
            margin-right: 8px;
            color: var(--yellow);
            font-size: 13px;
        }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .page-hero {
                padding: 120px 0 56px;
            }

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

            .featured-cover {
                width: 220px;
            }
        }

        @media (max-width: 767px) {
            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions .btn-sm {
                display: none;
            }

            .page-hero {
                padding: 108px 0 48px;
            }

            .page-hero-grid {
                flex-direction: column;
                gap: 28px;
            }

            .page-hero-breadcrumb {
                align-self: flex-start;
            }

            .value-section,
            .direction-section,
            .process-section,
            .featured-section,
            .faq-section,
            .cta-section {
                padding: 48px 0;
            }

            .value-section .columns {
                padding: 0 0 16px;
            }

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

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

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

            .featured-card {
                flex-direction: column;
            }

            .featured-cover {
                width: 100%;
                height: 190px;
            }

            .featured-body {
                padding: 18px 18px 14px;
            }

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

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

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

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero-content>p {
                font-size: 15px;
            }

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

            .direction-card {
                padding: 22px 18px;
            }
        }

/* roulang page: article */
:root {
  --primary: #E8590C;
  --primary-dark: #C7511C;
  --teal: #0F4C4C;
  --teal-dark: #0A2E2A;
  --teal-light: #E8F2F0;
  --yellow: #F5B300;
  --bg: #FDF9F3;
  --card-bg: #FFFFFF;
  --text: #2B2825;
  --muted: #6B655E;
  --border: #E8E2DA;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(43, 40, 37, .06);
  --shadow-lg: 0 8px 24px rgba(43, 40, 37, .12);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container, .grid-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all .25s ease;
  white-space: nowrap;
  outline: none;
}
.btn:focus-visible { box-shadow: 0 0 0 3px rgba(232, 89, 12, .28); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 20px rgba(232, 89, 12, .35); transform: translateY(-2px); }
.btn-secondary { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-secondary:hover { background: rgba(232, 89, 12, .08); transform: translateY(-2px); }
.btn-yellow { background: var(--yellow); color: var(--teal-dark); }
.btn-yellow:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245, 179, 0, .3); }
.btn-sm { height: 38px; padding: 0 20px; font-size: 14px; }
.btn-lg { height: 52px; padding: 0 36px; font-size: 16px; }

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(253, 249, 243, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.header-left { display: flex; align-items: center; gap: 32px; }
.header-right { display: flex; align-items: center; gap: 12px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: -.3px; }
.logo i { color: var(--primary); font-size: 24px; }
.main-nav ul { display: flex; gap: 4px; align-items: center; }
.main-nav a {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  transition: all .2s;
}
.main-nav a:hover { color: var(--primary); background: rgba(232, 89, 12, .08); }
.main-nav a.active { color: var(--primary); background: rgba(232, 89, 12, .1); }
.header-actions { display: flex; gap: 12px; align-items: center; }
.search-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.search-btn:hover { border-color: var(--primary); color: var(--primary); }
.hamburger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 210;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }
.header-search {
  position: absolute;
  top: 56px;
  right: 24px;
  width: 340px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 10px;
  display: flex;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all .25s;
  z-index: 110;
}
.header-search.open { opacity: 1; visibility: visible; transform: translateY(0); }
.header-search input {
  flex: 1;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 12px;
  font-size: 14px;
  outline: none;
  background: var(--bg);
  transition: border-color .2s;
}
.header-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(232, 89, 12, .15); }
.header-search button {
  width: 36px; height: 36px;
  border: none;
  border-radius: 6px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  transition: background .2s;
}
.header-search button:hover { background: var(--primary-dark); }

/* ===== 移动端菜单 ===== */
.mobile-nav {
  position: fixed;
  top: 0; right: -300px;
  width: 280px;
  height: 100%;
  background: var(--bg);
  z-index: 200;
  padding: 80px 24px 24px;
  transition: right .3s ease;
  box-shadow: -8px 0 24px rgba(0, 0, 0, .1);
}
.mobile-nav.open { right: 0; }
.mobile-nav a {
  display: block;
  padding: 13px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color .2s;
}
.mobile-nav a:hover { color: var(--primary); }
.mobile-nav .btn { margin-top: 18px; width: 100%; border-bottom: none; }
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(43, 40, 37, .5);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s;
}
.menu-overlay.show { opacity: 1; visibility: visible; }
body.no-scroll { overflow: hidden; }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 88px 0 20px;
}
.breadcrumb .crumb-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}
.breadcrumb a { color: var(--muted); transition: color .2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #C0B9B0; margin: 0 2px; }
.breadcrumb .current {
  color: var(--text);
  font-weight: 600;
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 文章正文区 ===== */
.article-page { padding: 32px 0 72px; }
.article-container { max-width: 920px; margin: 0 auto; padding: 0 24px; }
.article-card {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 48px 56px 56px;
  border: 1px solid rgba(232, 226, 218, .5);
}
.article-header { margin-bottom: 32px; }
.article-tags { margin-bottom: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}
.badge-teal { background: var(--teal-light); color: var(--teal); }
.badge-yellow { background: rgba(245, 179, 0, .16); color: #8A6400; }
.article-header h1 {
  font-size: clamp(32px, 4.2vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.5px;
  margin-bottom: 20px;
  color: var(--text);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); width: 14px; text-align: center; }

/* ===== 正文排版 ===== */
.article-content { font-size: 16px; line-height: 1.75; color: var(--text); }
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
  line-height: 1.3;
  color: var(--text);
}
.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text);
}
.article-content h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 10px;
  color: var(--text);
}
.article-content p { margin-bottom: 24px; }
.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: var(--teal-light);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  color: var(--muted);
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content ul { padding-left: 0; margin: 0 0 24px; list-style: none; }
.article-content ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.article-content ul li::before {
  content: "";
  position: absolute;
  left: 4px; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.article-content ol { padding-left: 24px; margin: 0 0 24px; list-style: decimal; }
.article-content ol li { margin-bottom: 8px; }
.article-content img {
  border-radius: 12px;
  margin: 24px auto;
  box-shadow: var(--shadow);
}
.article-content img + em,
.article-content figcaption {
  display: block;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
  margin: -16px 0 24px;
  font-style: normal;
}
.article-content code {
  background: #F5F1EA;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--primary-dark);
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
}
.article-content pre {
  background: #1F2A28;
  color: #E8F2F0;
  border-radius: 12px;
  padding: 20px 24px;
  overflow-x: auto;
  margin-bottom: 24px;
  line-height: 1.6;
  font-size: 14px;
}
.article-content pre code { background: none; color: inherit; padding: 0; }
.article-content a { color: var(--primary); border-bottom: 1px solid rgba(232, 89, 12, .3); transition: border-color .2s; }
.article-content a:hover { border-color: var(--primary); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
.article-content th, .article-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  font-size: 14px;
  text-align: left;
}
.article-content th { background: var(--teal-light); font-weight: 700; }
.article-content hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

/* ===== 上一篇 / 下一篇 ===== */
.article-pagination { display: flex; gap: 16px; margin-top: 32px; }
.article-page-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: all .25s;
}
.article-page-nav:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.article-page-nav.next { justify-content: flex-end; }
.article-page-nav i { color: var(--primary); }

/* ===== 空状态 ===== */
.article-empty {
  text-align: center;
  padding: 100px 24px;
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.article-empty .empty-icon {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--teal);
  margin-bottom: 24px;
}
.article-empty h1 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
.article-empty p { color: var(--muted); margin-bottom: 28px; }

/* ===== 相关推荐 ===== */
.related-section { background: var(--teal-light); padding: 72px 0; }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  position: relative;
  padding-left: 16px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 28px;
  border-radius: 4px;
  background: var(--primary);
}
.section-more { color: var(--primary); font-size: 14px; font-weight: 600; transition: color .2s; }
.section-more:hover { color: var(--primary-dark); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  gap: 16px;
  align-items: center;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(232, 226, 218, .4);
  transition: all .25s;
}
.related-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.related-card img {
  width: 96px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}
.related-info { min-width: 0; }
.related-info h3 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
  transition: color .2s;
}
.related-card:hover .related-info h3 { color: var(--primary); }
.related-info .date { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }

/* ===== 返回列表 ===== */
.back-to-list { text-align: center; margin-top: 40px; }

/* ===== CTA ===== */
.article-cta {
  background: var(--teal-dark);
  color: #fff;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.article-cta::before {
  content: "";
  position: absolute;
  left: -60px; bottom: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(245, 179, 0, .14);
}
.article-cta::after {
  content: "";
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 140px;
  background: repeating-linear-gradient(45deg, transparent, transparent 8px, rgba(255, 255, 255, .05) 8px, rgba(255, 255, 255, .05) 16px);
}
.article-cta .container { position: relative; z-index: 1; }
.article-cta h2 {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -.3px;
}
.article-cta p { color: rgba(255, 255, 255, .7); margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto; }

/* ===== 页脚 ===== */
.site-footer { background: var(--teal-dark); color: rgba(255, 255, 255, .85); padding: 64px 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.footer-logo i { color: var(--yellow); font-size: 20px; }
.footer-brand p { font-size: 14px; line-height: 1.7; opacity: .7; max-width: 280px; }
.footer-links h4, .footer-contact h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links ul, .footer-contact ul { display: grid; gap: 10px; }
.footer-links a { font-size: 14px; opacity: .7; transition: all .2s; }
.footer-links a:hover { opacity: 1; color: var(--yellow); }
.footer-contact li {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: .7;
}
.footer-contact i { color: var(--yellow); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  opacity: .5;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-card { padding: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 767px) {
  .main-nav, .header-actions .search-btn { display: none; }
  .header-actions .btn { display: none; }
  .hamburger { display: flex; }
  .article-page { padding: 24px 0 48px; }
  .article-card { padding: 24px 20px 32px; border-radius: 12px; }
  .article-header h1 { font-size: 30px; }
  .article-pagination { flex-direction: column; }
  .related-grid { grid-template-columns: 1fr; }
  .related-section { padding: 48px 0; }
  .article-cta { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .breadcrumb { padding-top: 76px; }
  .container, .grid-container { padding: 0 16px; }
  .header-search { width: calc(100% - 32px); right: 16px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 21px; }
  .related-card img { width: 84px; height: 64px; }
  .back-to-list .btn { width: 100%; }
  .article-cta .btn { width: 100%; }
}
@media (max-width: 480px) {
  .related-card { flex-direction: row; }
  .article-meta { gap: 12px; font-size: 13px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
    :root {
      --primary: #E8590C;
      --primary-dark: #C7511C;
      --secondary: #0F4C4C;
      --secondary-deep: #0A2E2A;
      --secondary-light: #E8F2F0;
      --accent: #F5B300;
      --bg: #FDF9F3;
      --card-bg: #FFFFFF;
      --text: #2B2825;
      --text-weak: #6B655E;
      --border: #E8E2DA;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-pill: 999px;
      --shadow-sm: 0 2px 8px rgba(43,40,37,.06);
      --shadow-md: 0 8px 24px rgba(43,40,37,.12);
      --container-w: 1200px;
      --nav-h: 64px;
      --section-pad: 72px;
    }

    /* ========== Reset / Base ========== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--bg);
      color: var(--text);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
    ul, ol { list-style: none; }
    button { font-family: inherit; border: none; background: none; cursor: pointer; }
    input { font-family: inherit; }
    h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; color: var(--text); }
    .container {
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    /* ========== 导航 ========== */
    .main-nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: var(--nav-h);
      background: rgba(253, 249, 243, .94);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
      transition: box-shadow .25s ease;
    }
    .main-nav.scrolled { box-shadow: var(--shadow-sm); }
    .nav-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: -0.3px;
      white-space: nowrap;
    }
    .brand-logo i {
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--secondary);
      color: var(--accent);
      border-radius: 10px;
      font-size: 16px;
    }
    .main-nav ul {
      display: flex;
      align-items: center;
      gap: 6px;
      margin: 0;
    }
    .main-nav ul li a {
      display: block;
      padding: 8px 18px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      border-radius: var(--radius-pill);
      transition: all .25s ease;
    }
    .main-nav ul li a:hover { background: var(--secondary-light); color: var(--secondary); }
    .main-nav ul li.active a { background: var(--secondary); color: #fff; }
    .nav-actions { display: flex; align-items: center; gap: 14px; }
    .nav-search {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      color: var(--text);
      background: transparent;
      transition: all .25s ease;
    }
    .nav-search:hover { border-color: var(--primary); color: var(--primary); }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 22px;
      background: var(--primary);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: background .25s ease, box-shadow .25s ease, transform .25s ease;
    }
    .nav-cta:hover { background: var(--primary-dark); box-shadow: 0 6px 16px rgba(232,89,12,.28); transform: translateY(-1px); }
    .mobile-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: 18px; background: transparent; }

    /* ========== 按钮 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 28px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      transition: all .25s ease;
      white-space: nowrap;
    }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-dark); box-shadow: 0 8px 20px rgba(232,89,12,.3); transform: translateY(-2px); }
    .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
    .btn-outline:hover { background: rgba(232,89,12,.08); color: var(--primary-dark); }
    .btn-accent { background: var(--accent); color: var(--secondary-deep); }
    .btn-accent:hover { background: #FFC53D; box-shadow: 0 8px 20px rgba(245,179,0,.35); transform: translateY(-2px); }
    .btn-block { width: 100%; }

    /* ========== 分类页头 ========== */
    .category-hero {
      margin-top: var(--nav-h);
      position: relative;
      padding: 72px 0 64px;
      background: linear-gradient(120deg, rgba(10, 46, 42, .94) 0%, rgba(15, 76, 76, .86) 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
      color: #fff;
      border-bottom: 4px solid var(--accent);
      overflow: hidden;
    }
    .category-hero::before {
      content: '';
      position: absolute;
      right: -80px;
      top: -80px;
      width: 280px;
      height: 280px;
      border: 2px solid rgba(255,255,255,.12);
      border-radius: 50%;
    }
    .category-hero-inner {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 30px;
      position: relative;
      z-index: 1;
    }
    .category-hero-text { max-width: 620px; }
    .pill-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(245,179,0,.18);
      border: 1px solid rgba(245,179,0,.5);
      color: var(--accent);
      font-size: 13px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 16px;
    }
    .category-hero h1 {
      color: #fff;
      font-size: clamp(32px, 4vw, 48px);
      font-weight: 800;
      letter-spacing: -1px;
      line-height: 1.2;
      margin-bottom: 14px;
    }
    .category-hero-text p {
      color: rgba(255,255,255,.82);
      font-size: 16px;
      max-width: 520px;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255,255,255,.65);
      white-space: nowrap;
      padding-bottom: 8px;
    }
    .breadcrumb a { color: rgba(255,255,255,.75); }
    .breadcrumb a:hover { color: var(--accent); }
    .breadcrumb .current { color: var(--accent); font-weight: 600; }

    /* ========== 通用区块 ========== */
    .section { padding: var(--section-pad) 0; }
    .section-soft { background: var(--secondary-light); }
    .section-head {
      max-width: 720px;
      margin-bottom: 48px;
    }
    .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
    .section-head h2 {
      font-size: clamp(24px, 3vw, 36px);
      font-weight: 700;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
      position: relative;
      padding-left: 18px;
    }
    .section-head.center h2 { padding-left: 0; }
    .section-head.center h2::before {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: -8px;
      width: 44px;
      height: 3px;
      background: var(--primary);
      border-radius: 3px;
    }
    .section-head h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      width: 4px;
      height: 24px;
      background: var(--primary);
      border-radius: 4px;
    }
    .section-head p { color: var(--text-weak); font-size: 15px; }

    /* ========== 卖点卡 ========== */
    .value-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      min-height: 240px;
      transition: box-shadow .25s ease, transform .25s ease;
      margin-bottom: 24px;
    }
    .value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
    .value-card i {
      width: 52px;
      height: 52px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--secondary-light);
      color: var(--secondary);
      border-radius: 14px;
      font-size: 20px;
      margin-bottom: 20px;
    }
    .value-card h3 { font-size: 19px; margin-bottom: 10px; }
    .value-card p { color: var(--text-weak); font-size: 14px; line-height: 1.65; }
    .value-card-dark {
      background: var(--secondary);
      border: none;
      color: #fff;
    }
    .value-card-dark h3 { color: #fff; }
    .value-card-dark p { color: rgba(255,255,255,.78); }
    .value-card-dark i { background: rgba(255,255,255,.14); color: var(--accent); }

    /* ========== 攻略类型 ========== */
    .types-section { background: var(--card-bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .types-grid {
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: 24px;
      align-items: stretch;
    }
    .types-col { display: flex; flex-direction: column; gap: 24px; }
    .type-featured {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: box-shadow .25s ease, transform .25s ease;
      flex: 1;
    }
    .type-featured:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
    .type-featured img { width: 100%; height: 200px; object-fit: cover; transition: transform .45s ease; }
    .type-featured:hover img { transform: scale(1.03); }
    .type-content { padding: 26px 28px 30px; }
    .type-content h3 { font-size: 20px; margin: 12px 0 10px; }
    .type-content p { color: var(--text-weak); font-size: 14px; line-height: 1.65; margin-bottom: 16px; }
    .type-content a { color: var(--primary); font-size: 14px; font-weight: 600; }
    .type-content a:hover { color: var(--primary-dark); }
    .tag {
      display: inline-block;
      padding: 4px 12px;
      background: var(--secondary-light);
      color: var(--secondary);
      font-size: 12px;
      font-weight: 600;
      border-radius: var(--radius-pill);
    }
    .tag-warm { background: rgba(245,179,0,.18); color: #8A6400; }
    .type-small {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 18px;
      transition: box-shadow .25s ease, transform .25s ease;
    }
    .type-small:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
    .type-small img { width: 110px; height: 84px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
    .type-small h3 { font-size: 16px; margin: 6px 0 4px; }
    .type-small p { color: var(--text-weak); font-size: 13px; line-height: 1.55; }

    /* ========== 适用场景 ========== */
    .scenario-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: box-shadow .25s ease, transform .25s ease;
      margin-bottom: 24px;
      position: relative;
    }
    .scenario-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
    .scenario-card img { width: 100%; height: 180px; object-fit: cover; transition: transform .45s ease; }
    .scenario-card:hover img { transform: scale(1.05); }
    .scenario-card-body { padding: 24px 24px 28px; position: relative; }
    .scenario-num {
      position: absolute;
      top: -34px;
      right: 18px;
      font-size: 56px;
      font-weight: 800;
      line-height: 1;
      color: rgba(15,76,76,.1);
      z-index: 1;
      pointer-events: none;
    }
    .scenario-card-body h3 { font-size: 18px; margin-bottom: 8px; }
    .scenario-card-body p { color: var(--text-weak); font-size: 14px; line-height: 1.65; }

    /* ========== 流程步骤 ========== */
    .steps-section { background: var(--secondary-deep); color: #fff; }
    .steps-section .section-head h2 { color: #fff; }
    .steps-section .section-head h2::before { background: var(--accent); }
    .steps-section .section-head p { color: rgba(255,255,255,.65); }
    .step-card {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: center;
      margin-bottom: 24px;
      transition: background .25s ease, transform .25s ease;
    }
    .step-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); }
    .step-num {
      width: 48px;
      height: 48px;
      margin: 0 auto 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--accent);
      color: var(--secondary-deep);
      font-size: 19px;
      font-weight: 800;
      border-radius: 50%;
    }
    .step-card h3 { color: #fff; font-size: 17px; margin-bottom: 8px; }
    .step-card p { color: rgba(255,255,255,.68); font-size: 13px; line-height: 1.6; }

    /* ========== FAQ ========== */
    .faq-container { max-width: 800px; margin: 0 auto; }
    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--border) !important;
      border-radius: var(--radius-md) !important;
      margin-bottom: 14px;
      overflow: hidden;
      transition: box-shadow .25s ease;
    }
    .faq-item:hover { box-shadow: var(--shadow-sm); }
    .faq-item.is-active { box-shadow: var(--shadow-sm); border-color: rgba(232,89,12,.4) !important; }
    .faq-question {
      position: relative !important;
      display: flex !important;
      align-items: center;
      justify-content: space-between;
      padding: 18px 24px !important;
      font-size: 16px !important;
      font-weight: 600;
      color: var(--text);
      line-height: 1.5;
      background: transparent;
      border-bottom: 1px solid transparent;
      transition: all .25s ease;
    }
    .faq-question::after {
      content: '\f078' !important;
      font-family: 'Font Awesome 6 Free' !important;
      font-weight: 900 !important;
      font-size: 14px;
      color: var(--text-weak);
      border: none !important;
      margin: 0 !important;
      transition: transform .3s ease, color .3s ease;
    }
    .faq-item.is-active .faq-question { color: var(--primary); border-bottom-color: var(--border); }
    .faq-item.is-active .faq-question::after { transform: rotate(180deg); color: var(--primary); }
    .faq-answer { padding: 4px 24px 18px !important; }
    .faq-answer p { color: var(--text-weak); font-size: 14px; line-height: 1.75; }

    /* ========== CTA ========== */
    .cta-section {
      position: relative;
      background: var(--secondary-deep);
      padding: 80px 0;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      left: -60px;
      bottom: -60px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(245,179,0,.18);
    }
    .cta-section::after {
      content: '';
      position: absolute;
      right: 30px;
      top: 30px;
      width: 180px;
      height: 180px;
      background: repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0, rgba(255,255,255,.04) 1px, transparent 1px, transparent 12px);
      border-radius: 50%;
    }
    .cta-inner {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 680px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .cta-inner h2 { color: #fff; font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; letter-spacing: -0.5px; margin-bottom: 14px; }
    .cta-inner p { color: rgba(255,255,255,.72); font-size: 16px; margin-bottom: 32px; }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--secondary-deep);
      color: rgba(255,255,255,.72);
      padding: 64px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
    }
    .footer-brand .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand .footer-logo i {
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent);
      color: var(--secondary-deep);
      border-radius: 10px;
      font-size: 16px;
    }
    .footer-brand p { font-size: 14px; line-height: 1.7; max-width: 300px; }
    .footer-links h4, .footer-contact h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
    .footer-links ul li { margin-bottom: 10px; }
    .footer-links ul li a { font-size: 14px; color: rgba(255,255,255,.65); }
    .footer-links ul li a:hover { color: var(--accent); }
    .footer-contact ul li { font-size: 14px; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
    .footer-contact ul li i { color: var(--accent); width: 16px; text-align: center; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.12);
      padding: 22px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255,255,255,.45);
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1023px) {
      :root { --section-pad: 56px; }
      .category-hero { padding: 56px 0 48px; }
      .category-hero-inner { flex-direction: column; align-items: flex-start; }
      .types-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 767px) {
      :root { --section-pad: 48px; }
      .container { padding: 0 16px; }
      .main-nav ul {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: rgba(253,249,243,.98);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        display: none;
      }
      .main-nav.nav-open ul { display: flex; }
      .main-nav ul li a { padding: 12px 16px; border-radius: var(--radius-sm); }
      .nav-cta { display: none; }
      .mobile-toggle { display: inline-flex; }
      .category-hero h1 { font-size: 30px; }
      .breadcrumb { padding-bottom: 0; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .section-head { margin-bottom: 32px; }
      .type-small { flex-direction: column; align-items: flex-start; }
      .type-small img { width: 100%; height: 130px; }
      .btn { width: 100%; }
      .nav-search { display: none; }
    }
    @media (min-width: 768px) and (max-width: 1023px) {
      .value-card { min-height: 215px; }
      .type-small { flex-direction: column; align-items: flex-start; }
      .type-small img { width: 100%; height: 120px; }
    }