/* roulang page: index */
:root {
  --primary: #1F9D61;
  --primary-dark: #0F6A3C;
  --primary-soft: #E8F6EF;
  --bg-soft: #F7F5EF;
  --ink-deep: #1F2620;
  --ink-body: #22281F;
  --gray-text: #59645C;
  --border: #E6E7E2;
  --accent: #F5B134;
  --white: #FFFFFF;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 20px rgba(17,24,18,.06);
  --shadow-hover: 0 12px 32px rgba(23,52,30,.12);
  --font-base: "PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-base);
  color: var(--ink-body);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
* {
  box-sizing: border-box;
}
a {
  color: inherit;
  text-decoration: none;
}
a:visited {
  color: inherit;
}
img {
  max-width: 100%;
  height: auto;
  background: #e9e9e9;
  display: block;
}
button,
input {
  font-family: inherit;
}
input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.wrap {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding-top: 96px;
  padding-bottom: 96px;
}
.section-sub {
  padding-top: 64px;
  padding-bottom: 64px;
}
.section-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink-deep);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
  letter-spacing: .08em;
  margin-bottom: 10px;
  text-transform: none;
}
.section-kicker::before {
  content: '';
  width: 18px;
  height: 3px;
  border-radius: 999px;
  background: var(--primary);
}
.lead {
  color: var(--gray-text);
  font-size: 17px;
  max-width: 720px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .2s cubic-bezier(.2,.7,.3,1), transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .2s, border-color .2s, color .2s;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(31,157,97,.2);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 12px 26px rgba(15,106,60,.22);
}
.btn-outline-light {
  border-color: rgba(255,255,255,.8);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
}
.btn-outline-dark {
  border-color: #CBD5CE;
  color: var(--ink-deep);
  background: #fff;
}
.btn-outline-dark:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
.btn-gold {
  background: var(--accent);
  color: #1f2620;
}
.btn-gold:hover {
  background: #e0a124;
  color: #fff;
}
.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
}
.btn .arrow-icon {
  transition: transform .2s;
}
.btn:hover .arrow-icon {
  transform: translateX(3px);
}
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-soft);
  color: var(--primary-dark);
}
.badge-gold {
  background: #FFF3D6;
  color: #AD6F0A;
}
.badge-dark {
  background: #1F2620;
  color: #fff;
}
.site-header {
  position: relative;
  z-index: 50;
  width: 100%;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(230,231,226,.72);
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: #1F2620;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 10px rgba(31,38,32,.18);
}
.brand-text {
  font-size: 21px;
  line-height: 1.1;
  white-space: nowrap;
}
.brand-text b {
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink-body);
}
.brand-text i {
  font-style: normal;
  font-weight: 300;
  letter-spacing: .1em;
  color: var(--gray-text);
  margin: 0 2px;
}
.brand-text small {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 2px 8px;
  margin-left: 2px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-link {
  position: relative;
  padding: 7px 2px;
  color: #3d4a41;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.2;
  transition: color .2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  border-radius: 999px;
  background: var(--primary);
  transition: right .2s;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after,
.nav-link.active::after {
  right: 0;
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-form {
  position: relative;
  width: 200px;
}
.search-form input {
  width: 100%;
  height: 42px;
  border: 2px solid transparent;
  background: #F3F4F2;
  border-radius: 999px;
  padding: 0 38px 0 16px;
  color: var(--ink-body);
  font-size: 14px;
  transition: all .2s;
}
.search-form input::placeholder {
  color: #97a19a;
}
.search-form input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(31,157,97,.12);
  outline: none;
}
.search-form .search-icon {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: #7E8A82;
  pointer-events: none;
}
.hamburger {
  display: none;
  border: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #F3F4F2;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.hamburger svg {
  width: 22px;
  height: 22px;
  stroke: var(--ink-body);
}
.mobile-nav {
  display: none;
}
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(16,28,20,.88) 0%, rgba(16,28,20,.72) 30%, rgba(16,28,20,.25) 75%, rgba(16,28,20,.08) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 48px;
}
.hero-copy {
  max-width: 680px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  color: #fff;
  font-size: 13px;
  padding: 4px 14px 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}
.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(245,177,52,.22);
}
.hero h1 {
  font-size: 52px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: #fff;
  margin-bottom: 22px;
}
.hero p {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255,255,255,.86);
  max-width: 520px;
  margin-bottom: 34px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-data {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.stat-card {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-radius: 18px;
  padding: 20px 24px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  border: 1px solid rgba(255,255,255,.4);
  transition: transform .2s, box-shadow .2s;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0,0,0,.12);
}
.stat-num {
  font-size: 34px;
  line-height: 1.2;
  font-weight: 900;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.stat-label {
  color: #4d5c52;
  font-size: 14px;
  font-weight: 500;
  margin-top: 4px;
}
.channel-section {
  background: var(--bg-soft);
  border-bottom: 1px solid #EDEBE2;
}
.channel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.channel-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 26px 24px 24px;
  border: 1px solid #F0F1EC;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.channel-card::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: var(--primary);
  opacity: 0;
  transition: opacity .2s;
}
.channel-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.channel-card:hover::after {
  opacity: 1;
}
.channel-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.channel-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.channel-icon svg {
  width: 28px;
  height: 28px;
}
.channel-num {
  font-size: 26px;
  font-weight: 800;
  color: #D9DCD6;
  letter-spacing: -0.04em;
}
.channel-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-deep);
  margin-bottom: 8px;
}
.channel-card p {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.7;
  margin-bottom: 0;
}
.featured-section {
  background: #fff;
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.program-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid #EEEFF0;
  box-shadow: var(--shadow-card);
  transition: transform .2s, box-shadow .2s;
}
.program-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}
.program-media {
  position: relative;
  padding-top: 72%;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  background: #ececec;
}
.program-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  transition: transform .3s ease;
}
.program-card:hover .program-media img {
  transform: scale(1.03);
}
.program-badge {
  position: absolute;
  left: 16px;
  top: 16px;
  background: rgba(255,255,255,.94);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.program-badge.is-hot {
  background: #FFF3D6;
  color: #AD6F0A;
}
.program-body {
  padding: 22px 22px 24px;
}
.program-body h3 {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--ink-deep);
  margin-bottom: 10px;
}
.program-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--gray-text);
  font-size: 13px;
  margin-bottom: 20px;
}
.program-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.program-meta svg {
  width: 15px;
  height: 15px;
  opacity: .65;
}
.trust-strip {
  background: var(--ink-deep);
  color: rgba(255,255,255,.82);
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 28px 0;
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
}
.trust-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(245,177,52,.16);
}
.testimonial-section {
  background: var(--bg-soft);
}
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid #F0F0E8;
  transition: transform .2s, box-shadow .2s;
}
.review-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}
.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
  color: var(--accent);
}
.review-stars svg {
  width: 18px;
  height: 18px;
}
.review-text {
  font-size: 16px;
  line-height: 1.85;
  color: #39463D;
  margin-bottom: 24px;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: #F0EFE9;
  border: 2px solid #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
}
.review-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--ink-deep);
}
.review-role {
  font-size: 13px;
  color: #7A857D;
}
.news-section {
  background: #fff;
}
.news-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}
.news-card-featured {
  background: #FCFBF7;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.news-card-featured:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.news-feature-img {
  height: 260px;
  overflow: hidden;
  position: relative;
}
.news-feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-feature-body {
  padding: 24px 24px 28px;
}
.news-feature-body .news-title-feature {
  font-size: 22px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ink-deep);
  margin: 12px 0 8px;
}
.news-feature-body p {
  color: var(--gray-text);
  font-size: 15px;
  margin-bottom: 18px;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.news-list-item {
  display: block;
  padding: 20px 20px 20px 22px;
  border-radius: 18px;
  background: #FAFBF9;
  border: 1px solid #ECEFEA;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.news-list-item:hover {
  border-color: #C9EFD8;
  background: #F5FFF9;
  box-shadow: 0 8px 24px rgba(31,157,97,.08);
}
.news-list-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.news-time {
  color: #98A198;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.news-list-title {
  font-size: 17px;
  line-height: 1.55;
  font-weight: 600;
  color: var(--ink-deep);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list-summary {
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: #7B867E;
  font-size: 14px;
  line-height: 1.65;
}
.empty-news {
  border: 2px dashed #D9DDD5;
  border-radius: 20px;
  padding: 40px 24px;
  background: #FAFBF8;
  text-align: center;
  color: #7A857D;
}
.empty-news p {
  font-size: 16px;
  font-weight: 600;
  color: #4E5A51;
}
.guarantee-section {
  background: var(--bg-soft);
}
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.guarantee-card {
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  background: #fff;
  box-shadow: var(--shadow-card);
  border: 1px solid #F0EFE8;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.guarantee-card.mid-card {
  transform: translateY(20px);
}
.guarantee-card.mid-card:hover {
  transform: translateY(14px);
}
.guarantee-card:hover {
  box-shadow: var(--shadow-hover);
}
.guarantee-card::before {
  content: '';
  position: absolute;
  right: -26px;
  top: -16px;
  width: 116px;
  height: 116px;
  background-image: radial-gradient(circle at center, rgba(31,157,97,.08) 0 12px, transparent 14px);
  background-size: 28px 28px;
  opacity: .7;
}
.g-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.g-icon svg {
  width: 30px;
  height: 30px;
}
.guarantee-card h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-deep);
  margin-bottom: 12px;
}
.guarantee-card p {
  color: var(--gray-text);
  font-size: 15px;
  line-height: 1.8;
}
.faq-section {
  background: #FFFFFF;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: #FAFBF9;
  border-radius: var(--radius-md);
  border: 1px solid #E8EBE4;
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item details {
  padding: 0;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-deep);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary .faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: transform .2s, background .2s;
}
.faq-item details[open] summary .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  padding: 0 24px 22px;
  color: var(--gray-text);
  font-size: 15px;
}
.cta-section {
  background: linear-gradient(120deg, #15241B 0%, #1F6B43 55%, #1F9D61 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::after {
  content: '';
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 360px;
  height: 220px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.18);
  transform: rotate(-8deg);
  box-shadow: 0 0 0 30px rgba(255,255,255,.03), 0 0 0 70px rgba(255,255,255,.02);
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.cta-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.cta-desc {
  color: rgba(255,255,255,.86);
  font-size: 16px;
  max-width: 520px;
  margin-bottom: 30px;
}
.cta-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.cta-contact {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  padding: 26px 28px;
  display: grid;
  gap: 18px;
}
.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 15px;
}
.contact-row + .contact-row {
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.16);
}
.contact-label {
  color: rgba(255,255,255,.75);
}
.contact-value {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.site-footer {
  background: var(--ink-deep);
  color: rgba(255,255,255,.72);
}
.footer-wave {
  height: 6px;
  background: linear-gradient(90deg, var(--primary), rgba(31,157,97,.55), rgba(31,157,97,.15), transparent);
}
.footer-main {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.4fr .8fr .9fr 1fr;
  gap: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 18px;
}
.footer-desc {
  font-size: 15px;
  color: rgba(255,255,255,.66);
  max-width: 320px;
  line-height: 1.9;
}
.footer-title {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  display: grid;
  gap: 10px;
}
.footer-links a {
  color: rgba(255,255,255,.7);
  font-size: 15px;
  transition: color .2s;
}
.footer-links a:hover {
  color: var(--primary);
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}
.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.22);
  color: #fff;
  transition: background .2s, transform .2s;
}
.social-icon:hover {
  transform: translateY(-2px);
}
.social-wechat {
  background: #1F9D61;
}
.social-weibo {
  background: #594A42;
}
.social-tiktok {
  background: rgba(255,255,255,.12);
}
.footer-bottom {
  padding: 20px 0 26px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255,255,255,.52);
}
.footer-bottom a {
  color: rgba(255,255,255,.62);
}
.footer-bottom a:hover {
  color: var(--primary);
}
.reveal {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}
@media (max-width: 1100px) {
  .site-nav {
    gap: 16px;
  }
  .nav-link {
    font-size: 14px;
  }
  .search-form {
    width: 140px;
  }
  .header-cta {
    padding: 0 14px;
  }
  .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .review-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guarantee-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .guarantee-card {
    padding: 24px 18px;
  }
  .footer-main {
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 36px;
  }
  .footer-col-last {
    grid-column: 1 / -1;
  }
}
@media (max-width: 900px) {
  .wrap {
    padding-left: 18px;
    padding-right: 18px;
  }
  .site-nav,
  .header-tools .search-form {
    display: none;
  }
  .hamburger {
    display: inline-flex;
  }
  .mobile-nav {
    display: none;
    width: 100%;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 14px 18px 24px;
    box-shadow: 0 20px 30px rgba(0,0,0,.05);
  }
  .mobile-nav.open {
    display: block;
  }
  .mobile-nav .mobile-nav-inner {
    display: grid;
    gap: 4px;
  }
  .mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 12px;
    color: var(--ink-body);
    font-weight: 500;
  }
  .mobile-nav a:hover,
  .mobile-nav a.active {
    background: var(--primary-soft);
    color: var(--primary-dark);
  }
  .mobile-nav .mobile-search {
    position: relative;
    margin-top: 14px;
  }
  .mobile-nav .mobile-search input {
    width: 100%;
    height: 44px;
    border: 1px solid #E6E7E2;
    border-radius: 999px;
    padding: 0 16px;
  }
  .hero {
    min-height: 640px;
  }
  .hero-content {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 46px 20px;
  }
  .hero h1 {
    font-size: 38px;
  }
  .hero-data {
    grid-template-columns: repeat(3, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-inner {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 700px) {
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .section-title {
    font-size: 28px;
  }
  .header-inner {
    height: 62px;
  }
  .header-cta {
    display: inline-flex;
    padding: 0 12px;
    font-size: 13px;
    min-height: 38px;
  }
  .brand-text small {
    display: none;
  }
  .hero {
    min-height: 500px;
  }
  .hero h1 {
    font-size: 31px;
    line-height: 1.28;
  }
  .hero p {
    font-size: 15px;
  }
  .hero-data {
    grid-template-columns: 1fr;
    width: 100%;
  }
  .stat-card {
    min-height: 80px;
    padding: 14px 18px;
    border-radius: 14px;
  }
  .stat-num {
    font-size: 26px;
  }
  .channel-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .review-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .guarantee-grid {
    grid-template-columns: 1fr;
  }
  .guarantee-card.mid-card {
    transform: none;
  }
  .guarantee-card.mid-card:hover {
    transform: translateY(-4px);
  }
  .cta-title {
    font-size: 30px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 44px;
  }
  .footer-col-last {
    grid-column: auto;
  }
  .trust-inner {
    padding: 22px 0;
    gap: 12px;
  }
  .news-feature-body .news-title-feature {
    font-size: 19px;
  }
  .news-list-item {
    padding: 16px 16px 16px 18px;
  }
}

/* roulang page: article */
:root{
--green:#1F9D61;
--green-deep:#0F6A3C;
--gold:#F5B134;
--ink:#1F2620;
--pblack:#22281F;
--porcelain:#F7F5EF;
--textbody:#2B322A;
--muted:#6E776F;
--line:#E6E7E2;
--white:#fff;
--radius-lg:24px;
--radius-md:16px;
--radius-sm:8px;
--shadow-card:0 4px 20px rgba(17,24,18,.06);
--shadow-hover:0 12px 32px rgba(23,52,30,.12);
--font-main:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:#fff;color:var(--textbody);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
a:visited{color:inherit}
button,input{font:inherit}
input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.wrap{max-width:1200px}
.section{padding:96px 0}
.section-soft{background:var(--porcelain);border-radius:48px 48px 0 0}
.section-head{max-width:720px;margin:0 auto 46px;text-align:center}
.section-head .head-bar{display:inline-flex;align-items:center;justify-content:center;gap:10px;margin-bottom:14px}
.section-head .head-bar::before,.section-head .head-bar::after{content:"";display:block;height:1px;width:40px;background:var(--green);opacity:.35}
.section-head .leaf-icon{width:30px;height:22px}
.section-head h2{font-size:36px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.3}
.section-head .subtitle{margin-top:12px;color:var(--muted);font-size:16px}
.section-head.light h2{color:#fff}
.section-head.light .subtitle{color:rgba(255,255,255,.72)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:999px;border:none;font-weight:600;font-size:15px;line-height:1.5;cursor:pointer;transition:background .2s cubic-bezier(.22,.61,.36,1),transform .2s cubic-bezier(.22,.61,.36,1),box-shadow .2s;white-space:nowrap}
.btn svg{width:16px;height:16px;transition:transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(31,157,97,.22)}
.btn-primary:hover,.btn-primary:active{background:var(--green-deep);box-shadow:0 10px 26px rgba(31,157,97,.28)}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,.75);color:#fff}
.btn-outline:hover,.btn-outline:active{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#11160f}
.btn-gold-outline{background:transparent;border:1px solid var(--gold);color:var(--gold)}
.btn-gold-outline:hover,.btn-gold-outline:active{background:var(--gold);color:var(--ink)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--textbody)}
.btn-ghost:hover,.btn-ghost:active{border-color:var(--green);color:var(--green)}
.btn-sm{padding:9px 20px;font-size:14px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,231,226,.7);transition:box-shadow .2s}
.header-inner{display:flex;align-items:center;gap:30px;height:72px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:14px;background:#1F2620;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(31,38,32,.15)}
.brand-name{font-size:20px;font-weight:800;color:var(--pblack);letter-spacing:-.02em;display:flex;align-items:baseline;gap:8px}
.brand-name small{font-size:13px;font-weight:400;color:var(--muted);letter-spacing:2px}
.site-nav{display:flex;align-items:center;gap:6px}
.nav-link{display:inline-flex;align-items:center;padding:10px 15px;border-radius:10px;color:#444b46;font-size:15px;font-weight:500;position:relative;transition:color .2s}
.nav-link:hover{color:var(--green);background:#f2f7f4}
.nav-link.active{color:var(--green);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;border-radius:2px;background:var(--green)}
.header-tools{display:flex;align-items:center;gap:12px}
.search-box{position:relative;display:flex;align-items:center}
.search-box input{width:220px;height:40px;border:none;background:#F3F4F2;border-radius:999px;padding:0 38px 0 18px;font-size:14px;color:var(--pblack);transition:background .2s,box-shadow .2s;outline:none}
.search-box input::placeholder{color:#9aa39e}
.search-box input:focus{background:#fff;box-shadow:0 0 0 2px var(--green)}
.search-box .search-icon{position:absolute;right:14px;width:16px;height:16px;color:#9aa39e;pointer-events:none}
.menu-toggle{display:none;width:44px;height:44px;border:none;background:transparent;border-radius:12px;cursor:pointer;color:var(--pblack);align-items:center;justify-content:center}
.menu-toggle i{font-size:22px}
.mobile-nav{display:none}

/* page-hero */
.page-hero{position:relative;display:flex;align-items:center;min-height:440px;background-size:cover;background-position:center;color:#fff;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,27,20,.75) 0%,rgba(22,39,30,.62) 55%,rgba(22,39,30,.28) 100%);z-index:1}
.hero-inner{position:relative;z-index:2;width:100%;padding:92px 0}
.crumb{font-size:14px;display:flex;gap:8px;align-items:center;color:rgba(255,255,255,.75);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.75)}
.crumb a:hover{color:var(--gold)}
.hero-inner h1{font-size:44px;font-weight:900;line-height:1.22;letter-spacing:-.02em;max-width:680px;margin-bottom:18px}
.hero-summary{max-width:600px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.92);margin-bottom:28px}
.hero-chip{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;font-size:13px;color:#fff;padding:6px 15px;display:inline-flex;gap:7px;align-items:center;backdrop-filter:blur(6px)}
.chip i{color:var(--gold)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* 课程卡 */
.course-list{padding:96px 0 70px}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.course-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(230,231,226,.7);box-shadow:var(--shadow-card);position:relative;margin-bottom:28px;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.course-media{position:relative;height:220px;overflow:hidden;background:#e3e7e2}
.course-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.course-card:hover .course-media img{transform:scale(1.04)}
.media-tag{position:absolute;top:16px;left:16px;background:rgba(31,38,32,.78);color:#fff;font-size:12px;padding:5px 12px;border-radius:999px;display:flex;align-items:center;gap:6px;backdrop-filter:blur(4px)}
.media-tag.hot{background:var(--gold);color:var(--ink)}
.media-tag i{font-size:11px}
.course-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.course-body h3{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.course-body .course-sub{color:var(--green);font-size:13px;font-weight:600;letter-spacing:2px}
.course-body p{color:var(--muted);font-size:15px;margin:4px 0}
.course-data{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px}
.course-data span{font-size:13px;background:#F4F6F3;border-radius:8px;padding:5px 12px;color:#3E4C42;font-weight:500}
.course-data i{margin-right:5px;color:var(--green);opacity:.85}
.course-actions{display:flex;gap:10px;margin-top:16px}

/* notice strip */
.notice-strip{background:var(--ink);color:#fff}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:34px 0;flex-wrap:wrap}
.notice-inner i{color:var(--gold);font-size:28px;margin-right:12px}
.notice-text{display:flex;align-items:center;gap:10px}
.notice-text strong{font-size:19px;font-weight:800}
.notice-text span{font-size:15px;color:rgba(255,255,255,.78)}
.notice-strip .btn{background:var(--gold);color:var(--ink)}
.notice-strip .btn:hover{background:#ffc455}

/* process */
.process-section{background:var(--porcelain)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.process-item{background:#fff;border-radius:var(--radius-md);padding:28px 22px 24px;position:relative;box-shadow:0 2px 14px rgba(17,24,18,.03);border-left:3px solid var(--green)}
.process-item .num{width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:16px}
.process-item h3{font-size:18px;color:var(--ink);font-weight:700;margin-bottom:6px}
.process-item p{color:var(--muted);font-size:14px;margin-bottom:6px}

/* twin rows */
.twin-rows{background:#fff}
.twin-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:52px 0;border-bottom:1px solid rgba(230,231,226,.5)}
.twin-row:last-child{border-bottom:none}
.twin-img{border-radius:var(--radius-lg);overflow:hidden;position:relative;background:var(--porcelain)}
.twin-img img{width:100%;height:360px;object-fit:cover}
.thumb-mark{position:absolute;bottom:16px;left:16px;background:rgba(31,38,32,.8);color:#fff;font-size:12px;padding:6px 14px;border-radius:999px;display:inline-flex;align-items:center;gap:6px}
.twin-content .pre-title{color:var(--green);font-weight:700;font-size:14px;letter-spacing:.16em;display:flex;align-items:center;gap:8px;margin-bottom:12px}
.twin-content .pre-title::before{content:"";width:22px;height:2px;background:var(--green)}
.twin-content h3{font-size:30px;font-weight:800;color:var(--ink);line-height:1.4;letter-spacing:-.01em;margin-bottom:14px}
.twin-content p{color:var(--muted);font-size:16px;margin-bottom:14px}
.twin-content ul{display:grid;gap:8px;margin-top:16px}
.twin-content li{display:flex;align-items:flex-start;gap:10px;color:#3d443e}
.twin-content li i{color:var(--green);margin-top:6px}

/* coach */
.coach-band{background:#EDEFEA;padding:72px 0}
.coach-band .coach-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:stretch}
.coach-fact{background:#fff;border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-card)}
.coach-fact h3{color:var(--ink);font-size:24px;font-weight:800;margin-bottom:20px}
.coach-fact ul{display:grid;gap:16px}
.coach-fact li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:flex-start}
.coach-fact li i{width:44px;height:44px;border-radius:14px;background:var(--porcelain);display:flex;align-items:center;justify-content:center;color:var(--green);font-size:18px}
.coach-fact li strong{color:#242a24;font-size:16px}
.coach-fact li span{color:var(--muted);font-size:14px}
.coach-feature{background:var(--green);border-radius:var(--radius-lg);padding:38px 32px;color:#fff;display:flex;flex-direction:column;justify-content:center;background-image:linear-gradient(135deg,rgba(255,255,255,.04),rgba(0,0,0,.08))}
.coach-feature .mask-icon{font-size:34px;color:rgba(255,255,255,.4);margin-bottom:18px}
.coach-feature h3{font-size:25px;font-weight:800;margin-bottom:12px}
.coach-feature p{font-size:15px;color:rgba(255,255,255,.94);margin-bottom:20px}
.coach-feature .btn{background:#fff;color:var(--green-deep)}
.coach-feature .btn:hover{background:var(--porcelain)}

/* faq */
.faq-section{padding:96px 0}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 28px;margin-top:52px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 26px;transition:box-shadow .2s,border-color .2s}
.faq-item:hover{border-color:#c9e8d5;box-shadow:var(--shadow-card)}
.faq-item details summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item details summary::-webkit-details-marker{display:none}
.faq-item summary h3{display:inline;font-size:17px;font-weight:600;color:#222a24;line-height:1.5}
.faq-item .faq-icon{width:30px;height:30px;flex-shrink:0;border-radius:50%;background:var(--porcelain);color:var(--green);display:flex;align-items:center;justify-content:center;transition:transform .2s,background .2s}
.faq-item details[open] .faq-icon{background:var(--green);color:#fff;transform:rotate(45deg)}
.faq-item details p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.85;border-top:1px dashed var(--line);padding-top:14px}

/* bottom cta */
.cta-static{position:relative;background:#16211a;border-radius:36px;margin:0 24px 80px;overflow:hidden;padding:70px 40px;text-align:center;color:#fff}
.cta-static::before{content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;border:70px solid rgba(245,177,52,.12)}
.cta-static::after{content:"";position:absolute;left:-90px;bottom:-80px;width:230px;height:110px;border:24px solid rgba(255,255,255,.04);border-top:none;border-radius:0 0 120px 120px}
.cta-static h2{font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.4;margin-bottom:10px}
.cta-static p{color:rgba(255,255,255,.75);font-size:16px;margin-bottom:30px}
.cta-static .cta-row{display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap}
.cta-card{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:18px;color:rgba(255,255,255,.8);font-size:14px}

/* footer */
.site-footer{margin-top:0;background:#171c18;color:#A9B2AB;position:relative;overflow:hidden;padding-top:50px}
.footer-wave{background:linear-gradient(to right,var(--green),#9bd8ae 50%,transparent);height:6px;position:absolute;top:0;left:0;width:100%;opacity:.5}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:54px 0 44px;margin:0 auto;max-width:1200px}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:24px;color:#fff;font-weight:800;margin-bottom:18px;letter-spacing:-.01em}
.footer-desc{font-size:15px;line-height:1.9;color:#98A09A;max-width:300px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{list-style:none;display:grid;gap:11px}
.footer-links a{color:#98A09A;font-size:14px;transition:color .2s;position:relative}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.footer-col-last .footer-links{margin-bottom:14px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.social-icon{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.09);display:flex;align-items:center;justify-content:center;color:#dde4dd;transition:background .2s,transform .2s;font-size:15px}
.social-icon:hover{transform:translateY(-3px)}
.social-wechat:hover{background:#0F9D58;color:#fff}
.social-weibo:hover{background:#c9332e;color:#fff}
.social-douyin:hover{background:#1b1f1c;color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;max-width:1200px;margin:0 auto;font-size:13px;color:#7b847c;display:flex;flex-wrap:wrap;gap:12px 20px;justify-content:space-between;position:relative}
.footer-links a[rel=external]{color:#D8DED8}

/* mobile fix */
.mobile-menu{display:none}
@media (max-width:1100px){
  .site-nav{display:none}
  .search-box{display:none}
  .menu-toggle{display:flex}
  .mobile-menu{position:fixed;top:62px;left:0;right:0;bottom:0;background:#fff;z-index:90;padding:26px 24px;transform:translateX(100%);transition:transform .25s;overflow-y:auto;display:block}
  .mobile-menu.open{transform:translateX(0)}
  .mobile-menu nav{display:grid;gap:6px}
  .mobile-menu .nav-link{padding:15px 10px;border-bottom:1px solid #f2f3ef;border-radius:0}
  .mobile-menu .nav-link.active{background:var(--porcelain)}
  .mobile-menu .search-box{display:flex;margin-bottom:18px}
  .mobile-menu .search-box input{width:100%}
  .mobile-menu .mobile-cta{margin-top:18px}
  .container,.header-inner{max-width:100%}
  .page-hero{min-height:400px}
  .course-body h3{font-size:20px}
}
@media (min-width:1101px){
  .mobile-menu{display:none!important}
}
@media (max-width:900px){
  .section{padding:64px 0}
  .course-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .twin-row{grid-template-columns:1fr;gap:26px}
  .twin-img img{height:260px}
  .coach-band .coach-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:40px 20px}
  .cta-static{margin:0 12px 50px;padding:54px 24px}
  .header-inner{height:62px;gap:14px}
  .brand-name{font-size:17px}
  .brand-name small{display:none}
}
@media (max-width:600px){
  .section{padding:44px 0}
  .section-head h2{font-size:26px}
  .page-hero{min-height:500px}
  .hero-inner h1{font-size:30px}
  .hero-summary{font-size:15px}
  .course-grid{grid-template-columns:1fr}
  .course-media{height:190px}
  .process-grid{grid-template-columns:1fr}
  .twin-row{padding:30px 0}
  .twin-content h3{font-size:23px}
  .faq-item{padding:20px}
  .footer-main{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center;padding:20px}
  .footer-bottom div{text-align:center}
}

/* roulang page: category1 */
:root{
    --brand:#1F9D61;
    --brand-deep:#0F6A3C;
    --cream:#F7F5EF;
    --ink:#1F2620;
    --black:#22281F;
    --line:#E6E7E2;
    --gold:#F5B134;
    --muted:#5F6B64;
    --txt:#2A302B;
    --card-shadow:0 4px 20px rgba(17,24,18,.06);
    --card-shadow-hover:0 12px 32px rgba(23,52,30,.14);
    --radius-xl:24px;
    --radius-md:16px;
    --radius-pill:999px;
    --ease:cubic-bezier(.2,.7,.3,1);
    --font-main:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--font-main);
    color:var(--txt);
    line-height:1.75;
    background:#fff;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  ul,ol{list-style:none}
  .container{max-width:1200px;margin:0 auto;padding:0 24px}
  .wrap{max-width:1200px;margin:0 auto}
  section{position:relative}
  .section{padding:96px 0}
  .section-has-bg{background:var(--cream)}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:4px;
    border-radius:6px;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--radius-pill);
    padding:14px 26px;
    font-size:16px;
    font-weight:600;
    line-height:1.2;
    border:1px solid transparent;
    background:transparent;
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
    cursor:pointer;
    white-space:nowrap;
    min-height:44px;
  }
  .btn:hover{transform:translateY(-1px)}
  .btn-green{background:var(--brand);color:#fff;border-color:var(--brand)}
  .btn-green:hover{background:var(--brand-deep);border-color:var(--brand-deep);box-shadow:0 10px 24px rgba(31,157,97,.22)}
  .btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
  .btn-dark:hover{background:#2c352e}
  .btn-ghost-light{color:#fff;border-color:rgba(255,255,255,.65);background:rgba(31,38,32,.2);backdrop-filter:blur(4px)}
  .btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.12)}
  .btn-gold{background:var(--gold);color:var(--ink);border-color:var(--gold)}
  .btn-gold:hover{background:#ffbe4d;border-color:#ffbe4d;color:var(--ink)}
  .btn-ghost-dark{color:var(--ink);border-color:#b7c0ba;background:transparent}
  .btn-ghost-dark:hover{border-color:var(--ink);background:var(--cream)}
  .btn-arrow-ico{display:inline-flex;margin-left:4px;transition:transform .2s var(--ease)}
  .btn:hover .btn-arrow-ico{transform:translateX(4px)}

  .text-link{
    color:var(--text-link,var(--brand-deep));
    font-weight:600;
    display:inline-flex;
    align-items:center;
    gap:6px;
    position:relative;
    padding:2px 0;
  }
  .text-link:after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--brand);transition:width .2s var(--ease)}
  .text-link:hover{color:var(--brand)}
  .text-link:hover:after{width:100%}

  .header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid rgba(0,0,0,.04);
    box-shadow:0 1px 12px rgba(0,0,0,.04);
    height:72px;
  }
  .header-inner{
    display:flex;
    align-items:center;
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
    gap:32px;
    height:100%;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:42px;
    height:42px;
    background:linear-gradient(145deg,#22281F,#39423A);
    border-radius:14px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--gold);
    box-shadow:0 2px 8px rgba(31,38,32,.14);
  }
  .brand-name{
    font-size:21px;
    font-weight:400;
    letter-spacing:.02em;
    color:var(--ink);
    line-height:1.2;
  }
  .brand-name strong{
    font-weight:800;
    color:#1a211c;
  }
  .brand-name em{
    font-style:normal;
    font-weight:300;
    letter-spacing:.1em;
    color:#39423C;
  }
  .site-nav{
    display:flex;
    align-items:center;
    gap:6px;
    margin:0 auto;
  }
  .nav-link{
    font-size:16px;
    font-weight:500;
    color:#333A35;
    padding:8px 4px;
    margin:0 2px;
    position:relative;
    white-space:nowrap;
    transition:color .2s;
  }
  .nav-link:after{
    content:"";
    position:absolute;
    left:0;right:100%;
    bottom:-2px;
    height:2px;
    background:var(--brand);
    border-radius:2px;
    transition:right .2s var(--ease);
  }
  .nav-link:hover{color:var(--brand)}
  .nav-link:hover:after{right:0}
  .nav-link.active{color:var(--brand);font-weight:600}
  .nav-link.active:after{right:0}

  .header-tools{
    display:flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
  }
  .search-box{
    width:220px;
    height:42px;
    display:flex;
    align-items:center;
    gap:8px;
    background:#F3F4F2;
    border:1px solid #F3F4F2;
    border-radius:999px;
    padding:0 14px;
    transition:background .2s,border-color .2s;
  }
  .search-box:focus-within{
    background:#fff;
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(31,157,97,.12);
  }
  .search-box svg{flex-shrink:0;color:#98A19B}
  .search-box input{
    border:none;
    outline:none;
    background:transparent;
    width:100%;
    font-size:14px;
  }
  .search-box input::placeholder{color:#9AA39D}
  .header-cta{padding:10px 20px;font-size:15px;min-height:40px}
  .hamburger{
    display:none;
    width:44px;
    height:44px;
    border:1px solid var(--line);
    background:#fff;
    border-radius:12px;
    align-items:center;
    justify-content:center;
    cursor:pointer;
  }
  .mobile-nav{
    display:none;
  }
  .mobile-nav.open{
    display:block;
    position:absolute;
    top:72px;
    left:12px;
    right:12px;
    background:#fff;
    border-radius:18px;
    box-shadow:0 18px 40px rgba(20,32,24,.14);
    padding:14px;
    border:1px solid var(--line);
  }
  .mobile-nav .nav-link{
    display:block;
    padding:12px 14px;
    border-radius:14px;
    font-size:16px;
  }
  .mobile-nav .nav-link.active{
    background:var(--cream);
    color:var(--brand);
  }
  .mobile-nav .mobile-cta{
    margin-top:10px;
    width:100%;
    justify-content:center;
  }

  .cat-hero{
    min-height:420px;
    display:flex;
    align-items:center;
    background:var(--ink);
    overflow:hidden;
  }
  .cat-hero-bg{
    position:absolute;
    inset:0;
    background-size:cover;
    background-position:center;
    opacity:.28;
  }
  .cat-hero-bg:after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,rgba(24,33,26,.94) 0%,rgba(24,33,26,.62) 55%,rgba(24,33,26,.3) 100%);
  }
  .cat-hero .container{
    position:relative;
    z-index:2;
    padding-top:56px;
    padding-bottom:56px;
  }
  .page-crumb{
    color:rgba(255,255,255,.7);
    font-size:14px;
    margin-bottom:18px;
    display:flex;
    align-items:center;
    gap:8px;
  }
  .page-crumb a:hover{color:var(--gold)}
  .hero-title{
    font-size:48px;
    line-height:1.2;
    color:#fff;
    font-weight:800;
    letter-spacing:-.02em;
    max-width:810px;
  }
  .hero-desc{
    color:rgba(255,255,255,.88);
    font-size:18px;
    max-width:680px;
    margin-top:20px;
  }
  .hero-actions{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    margin-top:30px;
  }
  .hero-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .hero-tag{
    color:#fff;
    font-size:14px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.16);
    padding:7px 16px;
    border-radius:999px;
    backdrop-filter:blur(4px)
  }
  .hero-tag strong{color:var(--gold)}

  .section-head{
    max-width:760px;
    margin:0 auto 48px;
    text-align:center;
  }
  .kicker{
    color:var(--brand-deep);
    font-size:14px;
    font-weight:700;
    letter-spacing:.12em;
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-bottom:10px;
  }
  .kicker:before{
    content:"";
    display:inline-block;
    width:18px;
    height:2px;
    background:var(--brand);
    border-radius:3px;
  }
  .section-head h2{
    color:var(--ink);
    font-size:36px;
    line-height:1.25;
    font-weight:800;
    letter-spacing:-.01em;
  }
  .section-head p{
    margin-top:12px;
    color:var(--muted);
  }
  .section-has-bg{
    background:var(--cream);
  }

  /* programs */
  .program-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .program-card{
    background:#fff;
    border:1px solid #F0F0EC;
    border-radius:24px;
    overflow:hidden;
    box-shadow:var(--card-shadow);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
    display:flex;
    flex-direction:column;
    position:relative;
  }
  .program-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--card-shadow-hover);
  }
  .program-media{
    position:relative;
    overflow:hidden;
    aspect-ratio:4/3;
    background:#EAEDEA;
  }
  .program-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .3s var(--ease);
  }
  .program-card:hover .program-media img{transform:scale(1.035)}
  .program-tag{
    position:absolute;
    left:14px;
    top:14px;
    background:rgba(31,38,32,.78);
    color:#fff;
    width:44px;
    height:32px;
    border-radius:999px;
    font-size:13px;
    display:flex;
    align-items:center;
    justify-content:center;
    backdrop-filter:blur(6px);
    letter-spacing:.03em;
  }
  .program-body{
    padding:22px 22px 8px;
    display:flex;
    flex-direction:column;
    gap:10px;
    flex:1;
  }
  .program-body h3{
    font-size:21px;
    font-weight:700;
    color:var(--ink);
    line-height:1.35;
  }
  .program-body p{color:var(--muted);font-size:14px}
  .program-meta{
    display:flex;
    gap:8px;
    align-items:center;
    flex-wrap:wrap;
    margin-top:10px;
  }
  .meta-chip{
    background:var(--cream);
    color:#46504A;
    border-radius:8px;
    padding:4px 10px;
    font-size:13px;
    font-weight:500;
  }
  .program-action{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:0 22px 20px;
    margin-top:6px;
  }

  /* stats */
  .stats-band{
    background:var(--ink);
    padding:38px 0;
  }
  .stats-row{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
    text-align:center;
    color:#fff;
  }
  .stat-num{
    font-size:44px;
    font-weight:800;
    color:var(--gold);
    line-height:1.1;
    font-feature-settings:"tnum";
  }
  .stat-label{color:rgba(255,255,255,.7);font-size:14px;margin-top:4px}
  .stat-deliver{border-right:1px solid rgba(255,255,255,.1)}

  /* media feature */
  .feature-list{
    display:flex;
    flex-direction:column;
    gap:34px;
    max-width:1020px;
    margin:0 auto;
  }
  .feature-card{
    display:grid;
    grid-template-columns:1.08fr 1fr;
    gap:36px;
    background:#fff;
    border-radius:24px;
    overflow:hidden;
    box-shadow:var(--card-shadow);
    transition:box-shadow .2s var(--ease);
    align-items:stretch;
  }
  .feature-card:hover{box-shadow:var(--card-shadow-hover)}
  .feature-card.flip .feature-media{order:2}
  .feature-media{
    min-height:300px;
    overflow:hidden;
    background:#EAEDEA;
    position:relative;
  }
  .feature-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    min-height:300px;
  }
  .feature-info{padding:40px 42px}
  .feature-info h3{font-size:27px;color:var(--ink);font-weight:800;line-height:1.3;margin-bottom:8px}
  .feature-info h4{font-size:22px;color:var(--ink);font-weight:700;line-height:1.35;margin-bottom:10px}
  .feature-info p{color:var(--muted)}
  .feature-list-list{margin-top:16px;display:grid;gap:10px}
  .feature-list-list li{
    padding-left:28px;
    position:relative;
    color:var(--txt);
    font-size:15px;
  }
  .feature-list-list li:before{
    content:"";
    position:absolute;
    left:0;
    top:11px;
    width:12px;
    height:3px;
    background:var(--brand);
    border-radius:999px;
  }

  /* process */
  .process-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:22px;
  }
  .step-card{
    background:transparent;
    border-top:3px solid transparent;
    padding:26px 18px 8px 8px;
    position:relative;
  }
  .step-card:before{
    content:"";
    position:absolute;
    left:8px;
    top:-1px;
    right:18px;
    height:3px;
    background:linear-gradient(90deg,var(--brand),var(--gold));
    border-radius:3px;
    opacity:.4;
    transition:opacity .2s;
  }
  .step-card:hover:before{opacity:1}
  .step-index{
    width:40px;
    height:40px;
    border-radius:13px;
    background:var(--ink);
    color:var(--gold);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    margin-bottom:16px;
  }
  .step-card h3{font-size:18px;color:var(--ink);font-weight:700;margin-bottom:8px}
  .step-card p{color:var(--muted);font-size:14px}

  /* guarantee */
  .guarantee-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    align-items:center;
  }
  .guarantee-card{
    background:var(--cream);
    border:1px solid rgba(255,255,255,.4);
    border-radius:24px;
    padding:32px 28px;
    position:relative;
    min-height:230px;
    overflow:hidden;
  }
  .guarantee-card:before{
    content:"";
    position:absolute;
    right:-30px;
    bottom:-30px;
    width:140px;
    height:140px;
    background:
      radial-gradient(circle at 28px 28px, rgba(255,255,255,.12) 10px, transparent 11px),
      radial-gradient(circle at 84px 84px, rgba(255,255,255,.1) 12px, transparent 13px);
    border-radius:50%;
  }
  .guarantee-card.middle-more{margin:18px 0}
  .guarantee-card .cap{
    width:44px;
    height:44px;
    background:var(--ink);
    color:var(--gold);
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .guarantee-card h3{
    margin-top:18px;
    font-size:20px;
    font-weight:700;
    color:var(--ink);
  }
  .guarantee-card p{
    margin-top:10px;
    color:var(--muted);
    font-size:14px;
  }

  /* voices testimonial */
  .voice-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .voice-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    padding:28px 26px;
    box-shadow:var(--card-shadow);
  }
  .voice-stars{
    color:var(--gold);
    letter-spacing:2px;
    font-size:19px;
  }
  .voice-card blockquote{
    margin-top:14px;
    color:#374039;
    font-size:15px;
    line-height:1.8;
  }
  .voice-person{
    display:flex;
    align-items:center;
    gap:12px;
    margin-top:18px;
    border-top:1px dashed var(--line);
    padding-top:16px;
  }
  .voice-avatar{
    width:44px;
    height:44px;
    border-radius:50%;
    object-fit:cover;
    background:var(--cream);
  }
  .voice-person strong{
    display:block;
    color:var(--ink);
    font-size:15px;
    line-height:1.3;
    font-weight:700;
  }
  .voice-person span{color:var(--muted);font-size:13px;line-height:1.3}

  /* faq */
  .faq-wrap{
    max-width:840px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    overflow:hidden;
  }
  .faq-item summary{
    padding:20px 58px 20px 24px;
    list-style:none;
    cursor:pointer;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    position:relative;
    transition:background .2s,color .2s;
    line-height:1.55;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{background:var(--cream)}
  .faq-item[open] summary{background:var(--cream)}
  .faq-item summary:after{
    content:"";
    position:absolute;
    right:22px;
    top:50%;
    width:10px;
    height:10px;
    border-right:2px solid var(--brand);
    border-bottom:2px solid var(--brand);
    transform:translateY(-70%) rotate(45deg);
    transition:transform .2s var(--ease);
  }
  .faq-item[open] summary:after{transform:translateY(-30%) rotate(225deg)}
  .faq-panel{
    padding:4px 24px 24px;
    color:var(--muted);
    font-size:15px;
  }

  /* CTA Banner */
  .cta-section{
    padding:70px 0;
    margin:0 0 0;
    background:linear-gradient(135deg,#0F3A2A 0%,#1A5640 60%,#217449 100%);
    overflow:hidden;
  }
  .cta-section:after{
    content:"";
    position:absolute;
    right:-4%;
    bottom:-80px;
    width:480px;
    height:210px;
    border:3px solid rgba(245,177,52,.3);
    border-radius:50%;
    transform:rotate(-7deg);
    pointer-events:none;
  }
  .cta-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:32px;
    position:relative;
    z-index:2;
  }
  .cta-left h2{
    font-size:34px;
    color:#fff;
    font-weight:800;
    letter-spacing:-.02em;
    line-height:1.3;
  }
  .cta-left p{color:rgba(255,255,255,.8);margin-top:6px}
  .cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;max-width:440px}

  /* footer */
  .site-footer{
    background:var(--ink);
    color:rgba(255,255,255,.72);
    position:relative;
    overflow:hidden;
    border-top:0;
  }
  .footer-wave{
    height:6px;
    background:linear-gradient(90deg,var(--brand),rgba(31,157,97,.45),transparent);
    opacity:.9;
  }
  .site-footer .wrap{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.3fr;
    gap:42px;
    padding:52px 24px 30px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:20px;
    font-weight:700;
    color:#fff;
  }
  .footer-desc{
    font-size:14px;
    margin-top:14px;
    max-width:300px;
    color:rgba(255,255,255,.58);
  }
  .footer-title{
    font-size:15px;
    color:#fff;
    font-weight:700;
    margin-bottom:14px;
  }
  .footer-links li{margin-bottom:7px}
  .footer-links a{
    font-size:14px;
    color:rgba(255,255,255,.64);
    padding:3px 0;
    display:inline-block;
    position:relative;
  }
  .footer-links a:after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:0;
    height:2px;
    background:var(--brand);
    transition:width .2s var(--ease);
  }
  .footer-links a:hover{color:#fff}
  .footer-links a:hover:after{width:100%}
  .footer-bottom{
    max-width:1200px;
    margin:0 auto;
    padding:18px 24px;
    display:flex;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    align-items:center;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:13px;
    color:rgba(255,255,255,.45);
  }
  .footer-social{
    display:flex;
    gap:10px;
    margin-top:14px;
  }
  .social-icon{
    width:38px;
    height:38px;
    border-radius:50%;
    background:rgba(255,255,255,.08);
    color:rgba(255,255,255,.8);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transition:background .2s,color .2s,transform .2s;
  }
  .social-icon:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}

  @media (max-width:1100px){
    .site-nav{gap:2px}
    .nav-link{font-size:15px;margin:0}
    .header-inner{gap:16px;padding:0 16px}
    .search-box{width:180px}
  }
  @media (max-width:920px){
    .section{padding:80px 0}
    .program-grid{grid-template-columns:repeat(2,1fr)}
    .process-grid{grid-template-columns:repeat(2,1fr)}
    .guarantee-grid{grid-template-columns:1fr;align-items:stretch}
    .guarantee-card.middle-more{margin:0}
    .voice-grid{grid-template-columns:1fr 1fr}
    .site-nav,.header-tools .search-box{display:none}
    .hamburger{display:inline-flex}
    .mobile-nav{position:fixed}
    .footer-bottom{flex-direction:column;text-align:center}
    .site-footer .wrap{grid-template-columns:1fr 1fr}
    .features-row .feature-card{grid-template-columns:1fr}
    .feature-card{grid-template-columns:1fr}
  }
  @media (max-width:640px){
    body{font-size:15px}
    .section{padding:64px 0}
    .header{height:62px}
    .header-inner{padding:0 14px;gap:10px}
    .brand-mark{width:38px;height:38px}
    .brand-name{font-size:19px}
    .brand-name em{display:none}
    .header-cta{padding:9px 16px;font-size:14px}
    .mobile-nav{top:62px}
    .cat-hero{min-height:480px}
    .hero-title{font-size:32px}
    .hero-title br{display:none}
    .hero-desc{font-size:16px}
    .hero-actions .btn{width:calc(50% - 6px);justify-content:center;padding:12px 12px;font-size:14px}
    .container{padding:0 16px}
    .section-head h2{font-size:28px}
    .section-head p{font-size:15px}
    .program-grid{grid-template-columns:1fr}
    .stats-row{grid-template-columns:1fr 1fr}
    .stat-num{font-size:34px}
    .process-grid{grid-template-columns:1fr;gap:16px}
    .voice-grid{grid-template-columns:1fr;gap:16px}
    .faq-wrap{gap:12px}
    .faq-item summary{font-size:16px;padding:18px 46px 18px 18px}
    .faq-panel{padding:0 18px 18px}
    .cta-section{padding:52px 0}
    .cta-inner{flex-direction:column;align-items:flex-start}
    .cta-left h2{font-size:28px}
    .cta-btns{width:100%;justify-content:flex-start}
    .cta-btns .btn{width:100%;justify-content:center}
    .feature-media{min-height:220px}
    .feature-media img{min-height:220px}
    .feature-info{padding:28px 22px}
    .site-footer .wrap{grid-template-columns:1fr;gap:26px;padding:42px 20px 26px}
    .container{padding:0 16px}
    .hero-title{letter-spacing:-.02em}
    .page-crumb{margin-bottom:12px;font-size:13px}
  }
  @media (max-width:420px){
    .stats-row{gap:10px}
    .stat-label{font-size:13px}
    .header-cta span{display:none}
    .header-cta{min-width:44px;padding:0 16px}
  }

/* roulang page: category2 */
:root{
  --primary:#1F9D61;
  --primary-dark:#0F6A3C;
  --primary-soft:#E8F6EF;
  --ink:#1F2620;
  --panda:#22281F;
  --paper:#F7F5EF;
  --white:#fff;
  --line:#E6E7E2;
  --amber:#F5B134;
  --text:#3F463F;
  --muted:#767D74;
  --heading-font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --body-font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-soft:0 4px 20px rgba(17,24,18,.06);
  --shadow-hover:0 12px 32px rgba(23,52,30,.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body-font);
  background:var(--white);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
ul,ol{list-style:none}
input,button{border:none;outline:none}
strong{font-weight:700}
.container{
  width:min(1200px,100% - 48px);
  margin-inline:auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:11px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  transition:background .2s cubic-bezier(.2,.7,.3,1),color .2s,transform .2s,box-shadow .2s;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(15,106,60,.22);
}
.btn-outline{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.75);
}
.btn-outline:hover{
  background:rgba(255,255,255,.1);
  border-color:#fff;
  transform:translateY(-2px);
}
.btn-outline-dark{
  background:transparent;
  color:var(--ink);
  border:1px solid rgba(31,38,32,.35);
}
.btn-outline-dark:hover{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-2px);
}
.btn-dark{
  background:var(--ink);
  color:#fff;
}
.btn-dark:hover{
  background:#000;
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn .arrow{
  display:inline-block;
  transition:transform .2s ease;
  font-style:normal;
}
.btn:hover .arrow{transform:translateX(4px)}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(0,0,0,.05);
  box-shadow:0 2px 18px rgba(0,0,0,.03);
}
.site-header .header-wrap{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:42px;
  height:42px;
  border-radius:14px;
  background:var(--ink);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  box-shadow:0 6px 14px rgba(31,38,32,.2);
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:-5px;
  bottom:-5px;
  width:14px;
  height:14px;
  background:var(--amber);
  border:2px solid #fff;
  border-radius:50%;
}
.brand-text{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand-text .light{
  font-weight:400;
  font-size:20px;
  letter-spacing:.06em;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  color:#444;
  font-size:15px;
  font-weight:500;
  border-radius:999px;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:3px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  opacity:0;
  transform:scaleX(.6);
  transition:opacity .2s,transform .2s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{
  opacity:1;
  transform:scaleX(1);
}
.nav-link.active{
  color:var(--primary);
  font-weight:700;
}
.nav-link.active::after{
  opacity:1;
  transform:scaleX(1);
}
.header-tools{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.search-box{
  width:220px;
  height:42px;
  display:flex;
  align-items:center;
  gap:8px;
  padding:0 16px;
  background:#F3F4F2;
  border:2px solid transparent;
  border-radius:999px;
  transition:background .2s,border .2s;
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--primary);
}
.search-box svg{color:#5b625a;width:17px;height:17px;flex-shrink:0}
.search-box input{
  width:100%;
  background:transparent;
  color:var(--ink);
  font-size:14px;
}
.search-box input::placeholder{color:#9aa096;font-size:14px}
.cta-compact{
  min-height:42px;
  padding:8px 22px;
  font-size:14px;
}
.nav-burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  background:transparent;
  border:1px solid var(--line);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-burger span{
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .2s,opacity .2s;
}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
.mobile-menu{
  display:none;
  background:#fff;
  border-top:1px solid #f0f1ee;
  padding:14px 20px 22px;
}
.mobile-menu.open{display:block}
.mobile-menu .nav-link{
  display:block;
  padding:13px 12px;
  border-bottom:1px solid #f3f3f1;
  font-size:16px;
  border-radius:0;
}
.mobile-menu .nav-link.active{color:var(--primary);background:var(--primary-soft);border-radius:12px;padding-left:16px}
.mobile-menu .nav-link::after{display:none}
.mobile-menu .mobile-cta{
  display:flex;
  margin-top:16px;
}

.page-hero{
  position:relative;
  min-height:420px;
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:center;
  isolation:isolate;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(90deg,rgba(17,24,18,.88) 0%,rgba(17,24,18,.68) 55%,rgba(17,24,18,.25) 100%);
}
.page-hero .hero-content{
  width:min(1200px,100% - 48px);
  margin-inline:auto;
  padding:64px 0;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:7px 16px;
  background:rgba(245,177,52,.15);
  border:1px solid rgba(245,177,52,.45);
  color:#F8D799;
  font-size:14px;
  border-radius:999px;
  margin-bottom:22px;
}
.page-hero h1{
  color:#fff;
  font-size:52px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:820px;
}
.page-hero .hero-sub{
  color:rgba(255,255,255,.85);
  font-size:18px;
  line-height:1.8;
  max-width:660px;
  margin-top:22px;
}
.hero-actions{
  margin-top:30px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.breadcrumb{
  padding:18px 0 0;
  color:rgba(255,255,255,.7);
  font-size:15px;
}
.breadcrumb a{
  color:rgba(255,255,255,.94);
  transition:color .2s;
}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb i{
  font-style:normal;
  margin:0 8px;
  color:rgba(255,255,255,.45);
}

.stat-strip{
  background:var(--ink);
  padding:34px 0;
}
.stat-strip.fix-corner{position:relative}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
}
.stat-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding:6px 10px;
}
.stat-number{
  color:#fff;
  font-size:38px;
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-number em{
  font-style:normal;
  color:var(--amber);
  margin-left:2px;
  font-size:30px;
}
.stat-label{
  color:rgba(255,255,255,.62);
  font-size:14px;
  margin-top:10px;
  letter-spacing:.04em;
}
.stat-divider{
  width:1px;
  background:rgba(255,255,255,.14);
}

.section{
  padding:92px 0;
}
.section-paper{background:var(--paper)}
.section-head{
  max-width:760px;
  margin-bottom:52px;
}
.section-head-center{
  margin-inline:auto;
  text-align:center;
}
.deco-leaf{
  display:flex;
  align-items:center;
  gap:10px;
  width:56px;
  height:20px;
  position:relative;
}
.deco-leaf::before{
  content:"";
  width:32px;
  height:3px;
  border-radius:3px;
  background:var(--primary);
}
.deco-leaf::after{
  content:"";
  width:9px;
  height:9px;
  transform:rotate(45deg);
  border-radius:2px;
  background:var(--amber);
}
.section-head-center .deco-leaf{margin-inline:auto}
.section-kicker{
  font-size:14px;
  letter-spacing:.16em;
  color:var(--primary-dark);
  font-weight:600;
  margin-top:12px;
  text-transform:uppercase;
}
.section-head h2{
  font-size:38px;
  line-height:1.2;
  color:var(--ink);
  font-weight:800;
  letter-spacing:-.01em;
  margin-top:12px;
}
.section-lead{
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
  margin-top:16px;
}
.section-head-center .section-lead{margin-inline:auto}

.cards-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:30px;
  border:1px solid rgba(230,231,226,.85);
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s;
  position:relative;
  overflow:hidden;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:transparent;
}
.card::before{
  content:"";
  position:absolute;
  inset-inline:0;
  top:0;
  height:6px;
  background:linear-gradient(90deg,var(--primary),var(--amber));
}
.card-number{
  position:absolute;
  right:18px;
  top:18px;
  color:#d8ded8;
  font-size:22px;
  font-weight:800;
  letter-spacing:-.02em;
  transition:color .2s;
}
.card:hover .card-number{color:var(--amber)}
.card-icon{
  width:52px;
  height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:var(--primary-soft);
  color:var(--primary-dark);
  margin-bottom:18px;
}
.card-icon svg{width:26px;height:26px}
.card h3{
  font-size:21px;
  font-weight:700;
  color:var(--ink);
  line-height:1.4;
  margin-bottom:10px;
}
.card > p{
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
}
.card-tag{
  display:inline-block;
  margin-bottom:14px;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
  padding:4px 12px;
  border-radius:8px;
}

.scene-section{
  background:linear-gradient(180deg,#fff 0%,var(--paper) 100%);
}
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.scene-card{
  background:#fff;
  border-radius:var(--radius-lg);
  height:100%;
  overflow:hidden;
  border:1px solid var(--line);
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;
  flex-direction:column;
}
.scene-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
}
.scene-photo{
  height:170px;
  background-size:cover;
  background-position:center;
  position:relative;
  overflow:hidden;
}
.scene-photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.scene-card:hover .scene-photo img{
  transform:scale(1.04);
}
.scene-photo .hot{
  position:absolute;
  left:14px;
  top:14px;
  background:rgba(245,177,52,.95);
  color:#332400;
  font-size:12px;
  font-weight:700;
  padding:4px 11px;
  border-radius:999px;
  letter-spacing:.04em;
}
.scene-body{
  padding:22px 22px 24px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.scene-body h3{
  font-size:20px;
  line-height:1.35;
  color:var(--ink);
  font-weight:700;
  margin-bottom:8px;
}
.scene-body p{
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
  flex:1;
}
.scene-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:16px;
  color:var(--primary-dark);
  font-weight:600;
  font-size:15px;
}
.scene-link .arrow{transition:transform .2s}
.scene-link:hover{color:var(--primary)}
.scene-link:hover .arrow{transform:translateX(5px)}
.scene-note{
  margin-top:38px;
  background:#fff;
  border:2px dashed #d8dbd5;
  border-radius:20px;
  padding:18px 26px;
  color:var(--muted);
  font-size:15px;
  display:flex;
  gap:12px;
  align-items:center;
  flex-wrap:wrap;
}
.scene-note .note-dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--primary);
  flex-shrink:0;
}

.flow-section{
  background:var(--paper);
}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:#fff;
  border-radius:20px;
  padding:34px 24px 30px;
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease;
  border-top:4px solid transparent;
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-top-color:var(--primary);
}
.step-index{
  width:64px;
  height:64px;
  background:var(--ink);
  color:#fff;
  border-radius:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:800;
  margin-bottom:20px;
  font-variant-numeric:tabular-nums;
}
.step-card:nth-child(2) .step-index{background:var(--primary-dark)}
.step-card:nth-child(3) .step-index{background:#385b3e}
.step-card:nth-child(4) .step-index{background:#5d6d34}
.step-card h3{
  font-size:19px;
  color:var(--ink);
  font-weight:700;
  margin-bottom:12px;
  line-height:1.4;
}
.step-card p{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}

.venue-section{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.venue-visual{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  min-height:440px;
  background:#dde4de;
  box-shadow:var(--shadow-hover);
}
.venue-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.venue-badge{
  position:absolute;
  right:22px;
  bottom:22px;
  background:rgba(31,38,32,.92);
  color:#fff;
  border-radius:16px;
  padding:16px 20px;
  display:flex;
  gap:12px;
  align-items:center;
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.12);
}
.venue-badge .badge-num{
  font-size:26px;
  font-weight:800;
  color:var(--amber);
  line-height:1;
}
.venue-badge .badge-label{
  font-size:13px;
  color:rgba(255,255,255,.82);
  line-height:1.5;
}
.venue-content .section-head{margin-bottom:24px}
.feature-list{
  display:flex;
  flex-direction:column;
  gap:0;
  margin-top:18px;
}
.feature-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:13px 0;
  border-bottom:1px dashed #e2e5df;
}
.feature-list li:last-child{border-bottom:none}
.feature-check{
  flex-shrink:0;
  width:23px;
  height:23px;
  margin-top:3px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary-dark);
  display:flex;
  align-items:center;
  justify-content:center;
}
.feature-check svg{width:13px;height:13px}
.feature-list .feature-title{
  font-weight:600;
  color:var(--ink);
  font-size:16px;
  display:block;
}
.feature-list p{
  color:var(--muted);
  font-size:14px;
  line-height:1.65;
  margin-top:2px;
}

.extra-strip{
  margin-top:150px;
  width:100%;
}
.guarantee-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.guarantee{
  background:linear-gradient(135deg,rgba(245,177,52,.07),rgba(31,157,97,.06));
  border:1px solid rgba(245,177,52,.22);
  border-radius:22px;
  padding:30px 26px;
  transition:background .2s ease,transform .2s ease;
}
.guarantee:hover{
  background:linear-gradient(135deg,rgba(245,177,52,.13),rgba(31,157,97,.09));
  transform:translateY(-3px);
}
.guarantee-icon{
  width:52px;
  height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:rgba(255,255,255,.9);
  color:var(--ink);
  margin-bottom:18px;
  box-shadow:var(--shadow-soft);
}
.guarantee-icon svg{width:26px;height:26px}
.guarantee h3{
  font-size:19px;
  color:var(--ink);
  font-weight:700;
  margin-bottom:10px;
}
.guarantee p{
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
}

.faq-section{background:#fff}
.faq-wrap{
  max-width:900px;
  margin-inline:auto;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  margin-bottom:14px;
  padding:0;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(31,157,97,.5)}
.faq-item[open]{box-shadow:var(--shadow-soft);border-color:rgba(31,157,97,.6)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex-shrink:0;
  width:32px;
  height:32px;
  background:var(--primary-soft);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .2s,transform .2s;
  font-weight:400;
  color:var(--primary-dark);
  font-size:22px;
  line-height:1;
}
.faq-item[open] summary .plus{
  transform:rotate(45deg);
  background:var(--primary);
  color:#fff;
}
.faq-body{
  padding:0 28px 26px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.faq-body p{margin-bottom:10px}
.faq-body p:last-child{margin-bottom:0}

.cta-section{
  background:linear-gradient(125deg,#122c1b 0%,#1f4a31 45%,#1F9D61 120%);
  position:relative;
  overflow:hidden;
  padding:84px 0;
}
.cta-section::before{
  content:"";
  position:absolute;
  width:460px;
  height:460px;
  border:56px solid rgba(255,255,255,.06);
  border-radius:50%;
  right:-160px;
  top:-120px;
}
.cta-section::after{
  content:"";
  position:absolute;
  width:160px;
  height:160px;
  border-radius:50%;
  border:22px solid rgba(245,177,52,.1);
  left:-30px;
  bottom:-60px;
}
.cta-inner{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:780px;
  margin-inline:auto;
}
.cta-inner h2{
  color:#fff;
  font-size:38px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.cta-inner p{
  color:rgba(255,255,255,.78);
  font-size:16px;
  margin-top:18px;
  line-height:1.8;
}
.cta-actions{
  margin-top:32px;
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-tip{
  margin-top:24px;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:16px;
  color:rgba(255,255,255,.72);
  font-size:14px;
  flex-wrap:wrap;
}
.cta-tip .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--amber);
}

.site-footer{
  background:#191e1a;
  color:rgba(255,255,255,.68);
  position:relative;
}
.footer-wave{
  height:6px;
  background:linear-gradient(90deg,var(--primary) 0%,rgba(31,157,97,.7) 40%,rgba(31,157,97,0) 100%);
}
.footer-main{
  padding:68px 0 40px;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-size:22px;
  font-weight:700;
}
.footer-brand .brand-mark{width:44px;height:44px}
.footer-desc{
  margin-top:16px;
  color:rgba(255,255,255,.52);
  font-size:14px;
  line-height:1.8;
  max-width:300px;
}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:14px;
  position:relative;
  padding-left:12px;
}
.footer-title::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:0;
}
.footer-links a{
  display:inline-block;
  padding:5px 0;
  color:rgba(255,255,255,.55);
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.footer-links a:hover{
  color:#fff;
  padding-left:5px;
}
.footer-col-last .footer-social{
  display:flex;
  gap:12px;
  margin-top:20px;
}
.social-icon{
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  transition:background .2s,transform .2s;
}
.social-icon:hover{
  background:var(--primary);
  transform:translateY(-2px);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.38);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

@media screen and (max-width:1024px){
  .stat-grid{grid-template-columns:repeat(4,1fr);gap:12px}
  .site-nav{gap:2px}
  .nav-link{padding:9px 10px;font-size:14px}
  .nav-link.active{color:var(--primary)}
  .header-tools{gap:10px}
  .search-box{width:170px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .venue-section{grid-template-columns:1fr;gap:40px}
  .guarantee-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .footer-main{grid-template-columns:1fr .8fr .8fr;gap:28px}
}

@media screen and (max-width:860px){
  .site-nav{display:none}
  .header-tools .search-box{display:none}
  .header-tools .cta-compact{display:none}
  .nav-burger{display:flex}
  .mobile-menu{display:none}
  .mobile-menu.open{display:block}
  .site-header .header-wrap{min-height:62px}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .brand-text{font-size:20px}
  .section-head h2{font-size:30px}
  .page-hero h1{font-size:34px}
  .page-hero .hero-sub{font-size:16px}
}

@media screen and (max-width:600px){
  .stat-grid{grid-template-columns:repeat(2,1fr);row-gap:24px}
  .cards-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .guarantee-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .page-hero{min-height:380px}
  .page-hero .hero-content{padding:44px 0}
  .hero-actions .btn{width:100%}
  .venue-visual{min-height:280px}
  .footer-main{grid-template-columns:1fr;gap:30px;padding:46px 0 30px}
  .cta-inner h2{font-size:30px}
  .cta-actions .btn{width:100%}
  .container{width:calc(100% - 32px)}
}

/* roulang page: category3 */
:root{
--green:#1F9D61;--green-deep:#0F6A3C;--ink:#1F2620;--panda:#22281F;--paper:#F7F5EF;
--gap:24px;--radius-xl:24px;--radius-md:16px;--radius-badge:8px;
--shadow-card:0 4px 20px rgba(17,24,18,.06);--shadow-lift:0 14px 34px rgba(23,52,30,.14);
--transition:.22s cubic-bezier(.22,.68,.42,1);--font:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:#fff;color:var(--panda);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul{margin:0;padding-left:0}
.container{width:min(1200px,92%);margin-inline:auto}
.section{padding-top:64px;padding-bottom:64px}
.section-lg{padding-top:96px;padding-bottom:96px}
::selection{background:#bcebd2;color:#0f3c23}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:8px}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.04);box-shadow:0 1px 10px rgba(0,0,0,.03)}
.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 0}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:14px;background:var(--ink);display:grid;place-items:center;overflow:hidden}
.logo-font{font-size:21px;font-weight:400;letter-spacing:.04em;white-space:nowrap;color:var(--ink)}
.logo-font b{font-weight:800}
.logo-font i{font-style:normal;font-weight:300;letter-spacing:.06em}
.site-nav{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:#3a423b;border-radius:8px;transition:color .2s}
.nav-link:hover,.nav-link.active{color:var(--green)}
.nav-link:hover::after,.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--green);border-radius:2px}
.header-actions{display:flex;align-items:center;gap:10px}
.search-wrap{display:flex;align-items:center;width:220px;height:40px;padding:0 14px;background:#F3F4F2;border:1.5px solid transparent;border-radius:999px;gap:6px}
.search-wrap:focus-within{background:#fff;border-color:var(--green);box-shadow:0 0 0 3px rgba(31,157,97,.12)}
.search-wrap svg{flex:0 0 15px;stroke:#7a857d}
.search-input{width:100%;background:transparent;border:0;outline:0;font-size:14px;color:#272e28}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:10px 20px;font-size:15px;line-height:1.2;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .22s,transform .22s,border-color .22s,box-shadow .22s;letter-spacing:.01em}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep);box-shadow:0 12px 30px rgba(15,106,60,.22)}
.btn-outline{border-color:rgba(255,255,255,.72);color:#fff;background:transparent}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.btn-ghost-gold{border-color:var(--gold-main);color:var(--gold-main);background:transparent}
.btn-ghost-gold:hover{background:var(--gold-main);color:#231a04}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-sm{padding:9px 17px;font-size:14px}
.btn-link{color:#fff;border-color:transparent;background:transparent}
.btn-link:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-arrow svg{transition:transform .22s}
.btn-arrow:hover svg{transform:translateX(4px)}
.nav-toggle{width:44px;height:44px;border-radius:12px;background:var(--paper);border:1px solid #e7e5de;display:none;justify-content:center;align-items:center;cursor:pointer}

.hero{position:relative;min-height:690px;display:flex;align-items:center;overflow:hidden;color:#fff;background:url('/assets/images/backpic/back-1.png') center 30%/cover no-repeat,#505953}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,24,16,.86) 0%,rgba(17,24,16,.58) 44%,rgba(17,24,16,.2) 100%)}
.hero::after{content:"";position:absolute;right:-120px;bottom:-160px;width:360px;height:360px;border-radius:50%;border:2px solid rgba(245,177,52,.4);box-shadow:0 0 0 48px rgba(255,255,255,.03),0 0 0 96px rgba(255,255,255,.02);pointer-events:none}
.hero-inner{position:relative;z-index:2;width:min(1200px,92%);margin-inline:auto;padding:84px 0 80px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.12em;color:#ffd687;margin-bottom:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);padding:7px 14px;border-radius:999px}
.hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.22;margin:0 0 18px;letter-spacing:-.01em;color:#fff;font-weight:800}
.hero-sub{font-size:17px;color:rgba(255,255,255,.86);max-width:570px;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:48px}
.hero-stat{width:170px;background:rgba(255,255,255,.1);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.15);padding:14px 16px;border-radius:16px;line-height:1.4;transition:transform .25s,background .25s}
.hero-stat:hover{transform:translateY(-5px);background:rgba(255,255,255,.14)}
.hero-num{font-size:26px;font-weight:800;color:var(--gold-main);letter-spacing:0;display:block}
.hero-label{font-size:13px;color:rgba(255,255,255,.77)}

.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head .kicker{font-size:14px;font-weight:700;color:var(--green);letter-spacing:.08em;margin-bottom:4px}
.section-head h2{font-size:clamp(26px,2.8vw,38px);line-height:1.3;margin:0;font-weight:800;letter-spacing:-.01em;color:#1A211C;position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;background:var(--green);border-radius:4px;transform:skewY(-12deg)}
.section-sub{color:#687266;margin-top:6px}
.pill-link{display:inline-flex;gap:6px;align-items:center;color:var(--green-deep);border-radius:999px;padding:8px 15px;background:#e9f8f0;font-size:14px;font-weight:600;transition:.2s}
.pill-link:hover{background:var(--green);color:#fff;transform:translateY(-1px)}

.venue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:var(--radius-xl);padding:18px;box-shadow:var(--shadow-card);transition:transform .22s,box-shadow .22s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.cover{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:4/3;background:#dfe1dc}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .36s}
.card:hover .cover img{transform:scale(1.03)}
.cover-tag{position:absolute;top:12px;left:12px;background:rgba(245,177,52,.95);color:#2b2307;font-size:12px;font-weight:700;border-radius:8px;padding:4px 10px}
.card h3{font-size:21px;margin:18px 0 6px;font-weight:750}
.card h3 small{display:block;font-size:13px;color:#838b85;font-weight:400;margin-top:2px}
.venue-card ul{margin-top:10px;color:#4b554e;list-style:none;display:grid;gap:8px;font-size:14px}
.venue-card li{display:flex;gap:8px;align-items:flex-start}
.venue-card li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);margin-top:8px;flex:0 0 auto}
.venue-card .card-link{margin-top:18px;display:inline-flex;align-items:center;gap:6px;color:var(--green-deep);font-weight:700;font-size:14px;border-radius:999px;background:#EAF7F0;padding:8px 14px;transition:.2s}
.venue-card .card-link:hover{background:var(--green);color:#fff}

.scene-card{border-radius:24px;background:var(--paper);padding:26px 22px;display:flex;flex-direction:column;gap:12px;height:100%;border:1px solid rgba(255,255,255,.5);transition:.2s}
.scene-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-5px);background:#fff}
.scene-icon{width:54px;height:54px;border-radius:16px;background:#fff;color:var(--green-deep);display:grid;place-items:center;box-shadow:var(--shadow-card)}
.scene-card h3{margin:0;font-size:19px}
.scene-card p{margin:0;color:#55605a;font-size:15px}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.standard-section{background:linear-gradient(110deg,#151A17 0,#22281F 60%,#2A3028 100%);color:rgba(255,255,255,.88)}
.standard-section .kicker,.standard-section h2{color:#fff}
.standard-section .section-sub{color:rgba(255,255,255,.62)}
.standard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.standard{display:flex;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);padding:20px;border-radius:20px;transition:.2s}
.standard:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.standard-icon{width:46px;height:46px;flex:0 0 auto;border-radius:14px;background:#fff;display:grid;place-items:center;color:var(--green-deep)}
.standard b{display:block;color:#fff;font-size:16px;margin-bottom:4px}
.standard span{color:rgba(255,255,255,.67);font-size:14px}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;border:1px solid #E9EAE4;border-radius:24px;padding:26px 22px 22px;background:#fff;transition:.2s}
.step:hover{box-shadow:var(--shadow-lift);transform:translateY(-4px)}
.step-no{font-size:32px;font-weight:800;color:#E4DAC4;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}
.step-no i{width:10px;height:24px;background:var(--green);border-radius:99px;transform:rotate(12deg)}
.step h3{margin:0 0 6px;font-size:18px}
.step p{margin:0;color:#68726b;font-size:14px}

.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:var(--paper);border:1px solid rgba(0,0,0,.03);border-radius:20px;padding:0;overflow:hidden}
.faq-q{width:100%;background:transparent;border:0;padding:20px 22px;display:flex;justify-content:space-between;align-items:center;text-align:left;font-size:16px;font-weight:700;color:#22291F;cursor:pointer;transition:background .2s}
.faq-q:hover{background:#EAF1EB}
.faq-q .faq-icon{background:var(--green);color:#fff;border-radius:50%;width:28px;height:28px;display:inline-flex;justify-content:center;align-items:center;font-size:18px;transition:.2s;flex:0 0 auto}
.faq-item.open .faq-icon{background:var(--ink);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 22px;color:#4A554E;font-size:15px;border-top:1px dashed #daddd7;margin:0 22px 0 0;padding-left:0}

.cta{border-radius:32px;overflow:hidden;background:url('/assets/images/backpic/back-2.webp') center/cover,#173825;color:#fff}
.cta-box{background:linear-gradient(90deg,rgba(8,28,18,.95) 0%,rgba(15,57,31,.84) 56%,rgba(31,157,97,.5) 100%);padding:64px 7%}
.cta-box h2{font-size:clamp(28px,4vw,44px);margin:0 0 12px;font-weight:800}
.cta-box p{color:rgba(255,255,255,.82);max-width:640px;margin:0 0 24px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.contact-mini{margin-top:30px;display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;color:rgba(255,255,255,.84);font-size:14px}
.contact-mini strong{display:block;color:#fff;font-size:16px}
.qr-placeholder{background:#111;border:2px solid #273028;border-radius:14px;width:70px;height:70px;display:grid;place-items:center;color:#dfe7df;font-size:11px;line-height:1.4;text-align:center}

.site-footer{background:#171B18;color:#AEB8B0;position:relative;margin-top:96px;padding-top:0}
.footer-wave{height:6px;background:linear-gradient(90deg,var(--green),#7fd3a8,transparent)}
.wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:56px 0 24px}
.footer-brand{display:flex;align-items:center;gap:8px;font-size:19px;color:#fff;font-weight:700;font-family:var(--font)}
.brand-mark{width:46px;height:46px;border-radius:14px;background:#fff;display:grid;place-items:center}
.footer-desc{color:#88938A;font-size:14px;margin-top:16px;margin-bottom:0;max-width:320px}
.footer-main h4{color:#fff;margin:4px 0 16px;font-size:16px}
.footer-links{list-style:none;display:grid;gap:10px}
.footer-links a{font-size:14px;color:#A1ACA3;transition:.2s}
.footer-links a:hover{color:var(--gold-main);padding-left:4px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.social-icon{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;transition:.2s}
.social-wechat{background:var(--green)}
.social-weibo{background:#444}
.social-weibo:hover{background:var(--green-deep)}
.social-icon:hover{transform:translateY(-3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:24px;padding:14px 0;font-size:13px;color:#788179;display:flex;justify-content:space-between;gap:20px}
.footer-title{color:#fff;font-weight:700;margin-bottom:14px;font-size:16px}
.footer-col-last .footer-links a{color:#a4ada6}

@media(max-width:1024px){
.header-inner{min-height:64px;gap:10px}
.site-nav{gap:0}
.nav-link{padding:8px 8px;font-size:14px}
.search-wrap{width:160px}
.venue-grid{grid-template-columns:repeat(3,1fr)}
.scene-grid{grid-template-columns:repeat(2,1fr)}
.standard-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.container{width:92%}
.section{padding-top:64px;padding-bottom:64px}
.site-header .site-nav,.site-header .search-wrap{display:none}
.nav-toggle{display:inline-flex}
.header-actions .btn-primary{display:none}
.site-nav.open{display:flex;flex-direction:column;position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid #eee;padding:16px 5%;z-index:60;align-items:flex-start;gap:4px;box-shadow:0 22px 44px rgba(0,0,0,.08)}
.site-nav.open .nav-link{display:block;width:100%;padding:14px 10px;border-radius:12px}
.site-nav.open .nav-link:hover{background:var(--paper)}
.nav-link::after{display:none}
.hero{min-height:580px}
.hero-inner{padding:64px 0 48px}
.hero-stats{gap:10px}
.hero-stat{width:calc(33% - 8px);padding:12px;min-width:120px}
.venue-grid{grid-template-columns:repeat(2,1fr);gap:14px}
.scene-grid{grid-template-columns:1fr 1fr;gap:14px}
.standard-grid{grid-template-columns:1fr;gap:12px}
.step-grid{grid-template-columns:1fr 1fr}
.section-head a.pill-link{display:none}
.wrap{grid-template-columns:1fr 1fr;gap:28px}
.section-under h2{margin-top:16px}
}
@media(max-width:520px){
.logo-font i{display:none}
.logo-font{font-size:18px}
.hero{background-position:center}
.hero h1{font-size:32px}
.hero-sub{font-size:15px}
.hero-stat{width:calc(50% - 6px);min-width:0}
.hero-actions .btn{width:100%}
.hero-actions .btn-outline{background:rgba(255,255,255,.1)}
.venue-grid,.scene-grid,.step-grid{grid-template-columns:1fr}
.step-grid{grid-template-columns:1fr}
.card{padding:14px}
.wrap{grid-template-columns:1fr}
.footer-bottom{flex-direction:column}
.cta-box{padding:42px 7%}
.cta-actions .btn{width:100%}
.cta-actions .btn-link{justify-content:center}
}

/* roulang page: category4 */
:root{
    --brand:#1F9D61;
    --brand-dark:#0F6A3C;
    --brand-soft:#E8F4EE;
    --ink:#1F2620;
    --text:#22281F;
    --muted:#5C6659;
    --bg-white:#FFFFFF;
    --bg-alt:#F7F5EF;
    --border:#E6E7E2;
    --gold:#F5B134;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:8px;
    --radius-pill:999px;
    --shadow-sm:0 4px 20px rgba(17,24,18,.06);
    --shadow-md:0 12px 32px rgba(23,52,30,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *{
    box-sizing:border-box;
  }

  html{
    scroll-behavior:smooth;
  }

  body{
    background:var(--bg-white);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
    font-size:16px;
    line-height:1.75;
    margin:0;
    overflow-x:hidden;
  }

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

  h1,h2,h3,h4{
    color:var(--ink);
    line-height:1.25;
    font-weight:800;
  }

  ul,ol{
    list-style:none;
  }

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

  button{
    font-family:inherit;
    cursor:pointer;
  }

  img{
    display:block;
    max-width:100%;
    background:var(--bg-alt);
  }

  :focus-visible{
    outline:2px solid var(--brand);
    outline-offset:3px;
    border-radius:6px;
  }

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

  .section{
    padding-top:96px;
    padding-bottom:96px;
  }

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

  .section-head{
    max-width:760px;
    margin:0 auto 56px;
    text-align:center;
  }

  .section-head h2{
    font-size:38px;
    letter-spacing:-.02em;
  }

  .section-head h2 span{
    color:var(--brand);
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    font-weight:700;
    letter-spacing:.12em;
    color:var(--brand-dark);
    background:var(--brand-soft);
    padding:7px 16px 7px 12px;
    border-radius:var(--radius-pill);
    margin-bottom:16px;
  }

  .eyebrow::before{
    content:"";
    display:inline-block;
    width:22px;
    height:8px;
    background:repeating-linear-gradient(90deg,var(--brand) 0 4px,transparent 4px 6px);
    border-radius:2px;
  }

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

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:10px 24px;
    border-radius:var(--radius-pill);
    border:1px solid transparent;
    font-weight:600;
    font-size:15px;
    line-height:1;
    transition:background-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }

  .btn-brand{
    background:var(--brand);
    color:#fff;
    box-shadow:0 8px 20px rgba(31,157,97,.18);
  }

  .btn-brand:hover{
    background:var(--brand-dark);
    transform:translateY(-1px);
    box-shadow:0 12px 24px rgba(15,106,60,.2);
  }

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

  .btn-outline:hover{
    border-color:var(--brand);
    color:var(--brand-dark);
    transform:translateY(-1px);
    box-shadow:var(--shadow-sm);
  }

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

  .btn-light:hover{
    background:var(--bg-alt);
    transform:translateY(-1px);
    box-shadow:var(--shadow-sm);
  }

  .btn-arrow svg{
    transition:transform .2s var(--ease);
  }

  .btn-arrow:hover svg{
    transform:translateX(4px);
  }

  /* header */
  .site-header{
    position:relative;
    top:0;
    z-index:80;
    background:rgba(255,255,255,.96);
    box-shadow:0 1px 16px rgba(0,0,0,.04);
    backdrop-filter:blur(10px);
  }

  .header-wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:72px;
  }

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

  .brand-mark{
    width:40px;
    height:40px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--ink);
    border-radius:14px;
    flex-shrink:0;
  }

  .brand-text{
    font-size:20px;
    color:var(--ink);
    font-weight:900;
    white-space:nowrap;
  }

  .brand-text small{
    font-size:14px;
    font-weight:400;
    letter-spacing:.12em;
    margin-left:4px;
    color:var(--muted);
  }

  .brand-text i{
    font-style:normal;
    color:var(--brand);
    font-weight:900;
  }

  .site-nav{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
    margin-right:8px;
  }

  .nav-link{
    display:inline-flex;
    align-items:center;
    min-height:44px;
    padding:0 14px;
    font-size:16px;
    font-weight:500;
    color:#444;
    border-radius:var(--radius-pill);
    position:relative;
    transition:color .2s var(--ease),background .2s var(--ease);
  }

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

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

  .nav-link.active::after{
    content:"";
    position:absolute;
    left:16px;
    right:16px;
    bottom:6px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
  }

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

  .search-box{
    display:inline-flex;
    align-items:center;
    gap:8px;
    width:220px;
    height:42px;
    background:#F3F4F2;
    border:2px solid transparent;
    border-radius:var(--radius-pill);
    padding:0 14px;
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }

  .search-box:focus-within{
    background:#fff;
    border-color:var(--brand);
  }

  .search-box input{
    width:100%;
    border:0;
    outline:0;
    background:transparent;
    font-size:14px;
    color:var(--text);
    font-family:inherit;
  }

  .search-box input::placeholder{
    color:#9CA198;
  }

  .header-cta{
    min-height:42px;
    padding:0 22px;
  }

  .menu-toggle{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    border:none;
    background:transparent;
    color:var(--ink);
    border-radius:12px;
    transition:background .2s var(--ease);
  }

  .menu-toggle:hover{
    background:var(--bg-alt);
  }

  .mobile-menu{
    background:#fff;
    border-top:1px solid var(--border);
    padding:16px 20px 24px;
    display:none;
  }

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

  .mobile-nav{
    display:flex;
    flex-direction:column;
    gap:2px;
  }

  .mobile-nav .nav-link{
    font-size:16px;
    padding:12px 8px;
    border-radius:10px;
  }

  .mobile-nav .nav-link.active::after{
    display:none;
  }

  .mobile-menu .btn{
    margin-top:16px;
    width:100%;
  }

  /* page hero */
  .page-hero{
    position:relative;
    padding:96px 0 120px;
    background:
      linear-gradient(100deg,rgba(17,28,20,.88) 0%,rgba(20,50,32,.72) 48%,rgba(31,157,97,.28) 100%),
      url('/assets/images/backpic/back-2.webp') center 40% / cover no-repeat;
    color:#fff;
    overflow:hidden;
  }

  .page-hero::before{
    content:"";
    position:absolute;
    width:420px;
    height:420px;
    right:-140px;
    bottom:-120px;
    background:radial-gradient(circle,rgba(245,177,52,.14) 0%,transparent 68%);
    border-radius:50%;
    pointer-events:none;
  }

  .breadcrumb{
    display:flex;
    align-items:center;
    gap:10px;
    color:rgba(255,255,255,.72);
    font-size:14px;
    margin-bottom:28px;
  }

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

  .breadcrumb a:hover{
    color:#fff;
  }

  .hero-kicker{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:rgba(255,255,255,.85);
    font-size:14px;
    font-weight:600;
    letter-spacing:.12em;
    margin-bottom:18px;
    padding:7px 14px;
    border:1px solid rgba(255,255,255,.22);
    border-radius:var(--radius-pill);
    background:rgba(0,0,0,.14);
  }

  .hero-kicker::before{
    content:"";
    width:8px;
    height:8px;
    background:var(--gold);
    border-radius:50%;
  }

  .page-hero h1{
    color:#fff;
    font-size:52px;
    font-weight:900;
    letter-spacing:-.03em;
    line-height:1.15;
    max-width:760px;
  }

  .page-hero h1 span{
    color:var(--gold);
  }

  .page-hero h1 .point{
    color:#fff;
  }

  .hero-lead{
    max-width:660px;
    color:rgba(255,255,255,.86);
    font-size:17px;
    line-height:1.8;
    margin-top:20px;
  }

  .hero-metrics{
    display:flex;
    flex-wrap:wrap;
    gap:16px;
    margin-top:40px;
  }

  .metric-box{
    background:rgba(255,255,255,.96);
    border-radius:18px;
    padding:14px 20px;
    min-width:132px;
    color:var(--ink);
    box-shadow:0 6px 24px rgba(0,0,0,.12);
  }

  .metric-box strong{
    display:block;
    font-size:24px;
    color:var(--brand-dark);
    font-weight:900;
    line-height:1.2;
  }

  .metric-box small{
    font-size:13px;
    color:var(--muted);
  }

  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:36px;
  }

  .hero-actions .btn-outline{
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.38);
    color:#fff;
  }

  .hero-actions .btn-outline:hover{
    background:rgba(255,255,255,.2);
    border-color:#fff;
  }

  /* service grid */
  .grid-services{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:28px;
  }

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

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

  .service-card-media{
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
    background:var(--bg-alt);
  }

  .service-card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .45s var(--ease);
  }

  .service-card:hover .service-card-media img{
    transform:scale(1.03);
  }

  .service-card-media .badge{
    position:absolute;
    top:16px;
    left:16px;
    background:var(--gold);
    color:var(--ink);
    font-size:13px;
    font-weight:800;
    border-radius:var(--radius-sm);
    padding:4px 12px;
    letter-spacing:.05em;
  }

  .service-card-body{
    padding:28px 24px 32px;
    display:flex;
    flex-direction:column;
    gap:14px;
    flex:1;
  }

  .service-card-body h3{
    font-size:23px;
    margin-bottom:2px;
  }

  .service-card-body p{
    color:var(--muted);
    font-size:15px;
    line-height:1.75;
  }

  .check-list{
    display:flex;
    flex-direction:column;
    gap:8px;
    margin-top:auto;
  }

  .check-list li{
    display:flex;
    align-items:flex-start;
    gap:8px;
    color:#3C4740;
    font-size:14px;
  }

  .check-list li svg{
    flex-shrink:0;
    margin-top:4px;
    color:var(--brand);
  }

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

  .process-step{
    position:relative;
    background:#fff;
    border-radius:var(--radius-lg);
    padding:34px 24px 28px;
    border:1px solid var(--border);
    box-shadow:var(--shadow-sm);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }

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

  .process-step::after{
    content:"";
    position:absolute;
    left:30px;
    top:24px;
    width:10px;
    height:10px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 6px var(--brand-soft);
  }

  .process-num{
    font-size:12px;
    color:var(--gold);
    font-weight:800;
    letter-spacing:.18em;
  }

  .process-step h3{
    font-size:19px;
    margin:16px 0 10px;
  }

  .process-step p{
    color:var(--muted);
    font-size:14px;
    line-height:1.7;
  }

  /* split blocks */
  .split-wrap{
    display:flex;
    flex-direction:column;
    gap:72px;
  }

  .split-card{
    display:grid;
    grid-template-columns:1.05fr 1fr;
    align-items:center;
    gap:56px;
    background:#fff;
    border-radius:var(--radius-lg);
    overflow:hidden;
  }

  .split-card.reverse .split-media{
    order:2;
  }

  .split-card.reverse .split-content{
    order:1;
  }

  .split-media{
    aspect-ratio:4/3;
    background:var(--bg-alt);
    border-radius:var(--radius-lg);
    overflow:hidden;
  }

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

  .split-content .tag-label{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--brand-dark);
    font-weight:700;
    font-size:14px;
    background:var(--brand-soft);
    border-radius:var(--radius-pill);
    padding:6px 16px;
    margin-bottom:18px;
  }

  .split-content h3{
    font-size:30px;
    margin-bottom:14px;
  }

  .split-content p{
    color:var(--muted);
    margin-bottom:20px;
    max-width:520px;
  }

  .split-content ul{
    display:flex;
    flex-direction:column;
    gap:10px;
    margin-bottom:26px;
  }

  .split-content ul li{
    position:relative;
    padding-left:26px;
    color:#3A453D;
    font-size:15px;
  }

  .split-content ul li::before{
    content:"";
    position:absolute;
    left:2px;
    top:8px;
    width:12px;
    height:12px;
    border-radius:50%;
    background:var(--brand-soft);
    border:3px solid var(--brand);
  }

  /* phase cards */
  .phase-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }

  .phase-card{
    position:relative;
    background:#fff;
    border-radius:var(--radius-lg);
    padding:32px 28px 28px;
    border-top:6px solid var(--brand);
    box-shadow:var(--shadow-sm);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }

  .phase-card:nth-child(2){
    background:var(--ink);
    border-top-color:var(--gold);
  }

  .phase-card:nth-child(2) h3,
  .phase-card:nth-child(2) li{
    color:#fff;
  }

  .phase-card:nth-child(2) p{
    color:rgba(255,255,255,.7);
  }

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

  .phase-index{
    display:inline-block;
    font-size:13px;
    font-weight:800;
    letter-spacing:.12em;
    color:var(--brand-dark);
    background:var(--brand-soft);
    border-radius:var(--radius-sm);
    padding:4px 12px;
    margin-bottom:16px;
  }

  .phase-card:nth-child(2) .phase-index{
    color:var(--ink);
    background:var(--gold);
  }

  .phase-card h3{
    font-size:20px;
    margin-bottom:12px;
  }

  .phase-card p{
    color:var(--muted);
    font-size:14px;
    min-height:76px;
  }

  .phase-card ul{
    display:flex;
    flex-direction:column;
    gap:8px;
    margin-top:20px;
  }

  .phase-card li{
    display:flex;
    align-items:center;
    gap:8px;
    color:#344038;
    font-size:14px;
  }

  .phase-card li::before{
    content:"";
    width:6px;
    height:6px;
    background:var(--brand);
    border-radius:50%;
    flex-shrink:0;
  }

  .phase-card:nth-child(2) li::before{
    background:var(--gold);
  }

  /* security strip */
  .security-strip{
    background:var(--ink);
    color:#fff;
    padding:26px 0;
  }

  .security-list{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:center;
    gap:12px 28px;
  }

  .security-list li{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    color:rgba(255,255,255,.86);
  }

  .security-list li svg{
    color:var(--gold);
  }

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

  .faq-item{
    background:#fff;
    border:1px solid var(--border);
    border-radius:18px;
    margin-bottom:16px;
    overflow:hidden;
    transition:box-shadow .25s var(--ease);
  }

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

  .faq-item summary{
    list-style:none;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 24px;
    cursor:pointer;
    font-weight:600;
    color:var(--ink);
    font-size:17px;
  }

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

  .faq-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:28px;
    height:28px;
    flex-shrink:0;
    background:var(--brand-soft);
    color:var(--brand-dark);
    font-size:13px;
    font-weight:800;
    border-radius:50%;
  }

  .faq-item[open] summary .faq-chevron{
    transform:rotate(45deg);
  }

  .faq-chevron{
    margin-left:auto;
    transition:transform .25s var(--ease);
  }

  .faq-item .answer{
    padding:2px 26px 24px 54px;
    color:var(--muted);
    font-size:15px;
    line-height:1.8;
  }

  /* cta */
  .site-cta{
    position:relative;
    background:
      linear-gradient(120deg,rgba(15,50,29,.94) 0%,rgba(26,68,42,.86) 100%),
      url('/assets/images/backpic/back-1.png') center 20% / cover no-repeat;
    padding:90px 0;
    color:#fff;
    text-align:center;
  }

  .site-cta::after{
    content:"";
    position:absolute;
    right:-80px;
    bottom:-90px;
    width:360px;
    height:360px;
    border:2px solid rgba(245,177,52,.28);
    border-radius:50%;
    box-shadow:0 0 0 34px rgba(245,177,52,.05),0 0 0 72px rgba(245,177,52,.03);
    pointer-events:none;
  }

  .site-cta h2{
    color:#fff;
    font-size:36px;
    max-width:760px;
    margin:0 auto 16px;
  }

  .site-cta p{
    max-width:620px;
    margin:0 auto 32px;
    color:rgba(255,255,255,.78);
  }

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

  .site-cta .btn-brand{
    min-height:50px;
    padding:12px 36px;
  }

  .site-cta .btn-outline{
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.34);
    color:#fff;
    min-height:50px;
    padding:12px 30px;
  }

  .site-cta .btn-outline:hover{
    background:rgba(255,255,255,.22);
    border-color:var(--gold);
    color:#fff;
  }

  /* reveal animation */
  .js .reveal{
    opacity:0;
    transform:translateY(16px);
    transition:opacity .6s var(--ease),transform .6s var(--ease);
  }

  .js .reveal.visible{
    opacity:1;
    transform:translateY(0);
  }

  /* footer */
  .site-footer{
    background:#141A15;
    color:rgba(255,255,255,.78);
    position:relative;
  }

  .footer-wave{
    height:6px;
    background:linear-gradient(90deg,var(--brand) 0%,rgba(31,157,97,.0) 70%,transparent 100%);
  }

  .footer-main{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.3fr;
    gap:44px;
    padding:64px 0 44px;
  }

  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    font-size:20px;
    font-weight:800;
    margin-bottom:16px;
  }

  .brand-mark{
    color:#fff;
  }

  .footer-desc{
    color:rgba(255,255,255,.68);
    font-size:14px;
    max-width:360px;
    line-height:1.8;
  }

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

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

  .footer-links a{
    color:rgba(255,255,255,.7);
    font-size:14px;
    transition:color .2s var(--ease);
  }

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

  .footer-social{
    display:flex;
    gap:12px;
    margin-top:20px;
  }

  .social-icon{
    width:40px;
    height:40px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:rgba(255,255,255,.08);
    color:#fff;
    transition:background .2s var(--ease),transform .2s var(--ease);
  }

  .social-icon:hover{
    background:var(--brand);
    transform:translateY(-2px);
  }

  .social-icon.social-weibo:hover{
    background:var(--brand-dark);
  }

  .social-icon.social-douyin:hover{
    background:var(--gold);
    color:var(--ink);
  }

  .footer-copy{
    border-top:1px solid rgba(255,255,255,.1);
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:12px;
    flex-wrap:wrap;
    padding:20px 0 26px;
    font-size:13px;
    color:rgba(255,255,255,.46);
  }

  .footer-copy .legal-domain{
    color:rgba(255,255,255,.6);
  }

  /* responsive */
  @media (max-width:1140px){
    .header-wrap{
      gap:12px;
    }
    .site-nav .nav-link{
      padding:0 10px;
      font-size:15px;
    }
    .search-box{
      width:180px;
    }
    .grid-services{
      gap:18px;
    }
  }

  @media (max-width:1024px){
    .section{
      padding-top:80px;
      padding-bottom:80px;
    }
    .grid-services{
      grid-template-columns:repeat(2,1fr);
    }
    .process-grid{
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .phase-grid{
      grid-template-columns:1fr;
      max-width:640px;
      margin:0 auto;
    }
    .phase-card p{
      min-height:auto;
    }
    .split-card{
      grid-template-columns:1fr;
      gap:28px;
    }
    .split-card.reverse .split-media{
      order:1;
    }
    .split-card.reverse .split-content{
      order:2;
    }
    .footer-main{
      grid-template-columns:1fr 1fr;
      gap:36px;
    }
  }

  @media (max-width:900px){
    .site-nav{
      display:none;
    }
    .search-box{
      display:none;
    }
    .menu-toggle{
      display:inline-flex;
    }
    .header-wrap{
      height:62px;
    }
    .brand-text{
      font-size:18px;
    }
  }

  @media (max-width:768px){
    .container{
      padding-left:16px;
      padding-right:16px;
    }
    .section{
      padding-top:64px;
      padding-bottom:64px;
    }
    .section-head{
      margin-bottom:36px;
    }
    .section-head h2{
      font-size:28px;
    }
    .page-hero{
      padding:64px 0 72px;
    }
    .page-hero h1{
      font-size:34px;
    }
    .hero-lead{
      font-size:16px;
    }
    .hero-metrics{
      gap:10px;
      margin-top:28px;
    }
    .metric-box{
      min-width:31%;
      padding:12px 14px;
    }
    .metric-box strong{
      font-size:20px;
    }
    .grid-services{
      grid-template-columns:1fr;
    }
    .grid-services .service-card:last-child{
      margin-bottom:0;
    }
    .process-grid{
      grid-template-columns:1fr;
    }
    .site-cta{
      padding:64px 0;
    }
    .site-cta h2{
      font-size:28px;
    }
    .footer-main{
      grid-template-columns:1fr;
      gap:28px;
      padding-top:44px;
    }
    .footer-copy{
      flex-direction:column;
      text-align:center;
    }
  }

  @media (max-width:520px){
    .header-cta{
      padding:0 14px;
    }
    .header-cta .btn-arrow svg{
      display:none;
    }
    .brand-text small{
      display:none;
    }
    .page-hero h1{
      font-size:30px;
    }
    .metric-box small{
      font-size:12px;
    }
    .split-media{
      aspect-ratio:5/4;
    }
    .split-content h3{
      font-size:24px;
    }
    .faq-item summary{
      padding:16px 18px;
    }
    .faq-item .answer{
      padding-left:22px;
    }
  }