/* ============================================
   Base Reset & Typography
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "PingFang HK", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  color: #1D2129;
  background-color: #F8FFFA;
  line-height: 1.5;
  min-width: 1200px;
  overflow-x: auto;
  position: relative;
}

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

/* ============================================
   Page Decorative Background
   ============================================ */
.page-decor {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.decor-bg-pattern {
  position: absolute;
  top: 700px;
  left: 50%;
  transform: translateX(-50%);
  width: 1489px;
  max-width: none;
  height: auto;
  opacity: 1;
}

.decor-glow {
  position: absolute;
  border-radius: 50%;
}

.decor-glow--green {
  width: 805px;
  height: 805px;
  top: -300px;
  right: -200px;
  background: radial-gradient(circle at 49% 51%, rgba(201, 251, 135, 1) 28%, rgba(255, 255, 255, 1) 100%);
  -webkit-filter: blur(15px);
  filter: blur(15px);
  opacity: 0.1;
}

.decor-glow--yellow {
  width: 569px;
  height: 569px;
  top: 131px;
  left: -231px;
  background: radial-gradient(circle at 49% 51%, rgba(251, 228, 135, 1) 28%, rgba(255, 255, 255, 1) 100%);
  -webkit-filter: blur(15px);
  filter: blur(15px);
  opacity: 0.1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #00B80A;
  outline-offset: 2px;
  border-radius: 4px;
}

ul {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

h1, h2, h3, h4 {
  font-weight: 500;
}

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section {
  padding: 68px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 400;
  line-height: 1.5;
  color: #262A33;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.33;
  color: #262A33;
  opacity: 0.6;
}

/* ============================================
   Header
   ============================================ */
.site-header {
  background: transparent;
  height: 72px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-logo img {
  width: 121px;
  height: 32px;
  object-fit: contain;
}

.header-badge {
  display: inline-block;
  background: #E53939;
  color: #fff;
  font-size: 11px;
  line-height: 1.36;
  letter-spacing: 1px;
  text-align: center;
  padding: 3px 8px;
  border-radius: 3px;
}

.header-nav ul {
  display: flex;
  gap: 96px;
}

.header-nav a {
  font-size: 16px;
  font-weight: 500;
  color: #848484;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.header-nav a:hover,
.header-nav a.nav-active {
  color: #1D2129;
}

.header-auth {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 500;
  color: #848484;
}

.header-auth a:hover {
  color: #00B80A;
}

.auth-divider {
  color: #848484;
  margin: 0 4px;
}

.header-auth--user {
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid #00B80A;
  overflow: hidden;
  flex-shrink: 0;
  background: url('images/avatar-placeholder.svg') center / cover no-repeat;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-name {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: #1D2129;
  white-space: nowrap;
  margin-right: 20px;
  max-width: 8em;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

.header-auth .user-center-link {
  font-size: 14px;
  font-weight: 400;
  color: #00B80A;
  white-space: nowrap;
  padding: 4px 12px;
  border: 1px solid #00B80A;
  border-radius: 16px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.header-auth .user-center-link:hover {
  background: #00B80A;
  color: #fff;
}

/* ============================================
   Hero Banner
   ============================================ */
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.hero {
  position: relative;
  width: 100%;
  height: 505px;
  overflow: hidden;
  background-color: #F8FFFA;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 50%;
  height: 100%;
  -webkit-transform: translateX(-50%);
      -ms-transform: translateX(-50%);
          transform: translateX(-50%);
  z-index: 0;
}

.hero-bg-img {
  display: block;
  height: 100%;
  width: auto;
  max-width: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 200px;
  text-align: center;
}

.hero-subtitle {
  display: block;
  font-size: 49px;
  font-weight: 500;
  line-height: 1.14;
  color: #01241F;
}

.hero-title {
  display: block;
  font-size: 49px;
  font-weight: 500;
  line-height: 1.14;
  color: #00B80A;
  margin-top: 8px;
}

.hero-desc {
  margin-top: 16px;
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
  color: #01241F;
  opacity: 0.55;
}

/* ============================================
   Features Section
   ============================================ */
.section-features {
  padding: 49px 0 64px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 48px 24px;
  box-shadow: 0 4px 35px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  height: 264px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.feature-text {
  text-align: center;
}

.feature-text h3 {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  color: #1D2129;
  margin-bottom: 12px;
}

.feature-text p {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: #4E5969;
}

/* ============================================
   Payment Section
   ============================================ */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.payment-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 35px rgba(0, 0, 0, 0.05);
  padding: 40px 0;
  height: 244px;
  background-image: linear-gradient(143deg, rgba(241, 241, 254, 1) 0%, #fff 20%, #fff 71%, #fff 100%);
  transition: transform 0.2s ease;
}

.payment-card:hover {
  transform: translateY(-2px);
}

.payment-card-inner {
  padding: 0 32px;
}

.payment-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.payment-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.payment-icon--alipay {
  background: #3B82F6;
}

.payment-icon--wechat {
  background: #0CCC49;
}

.payment-icon img {
  width: 40px;
  height: 40px;
}

.payment-card-header h3 {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.33;
  color: #000;
}

.payment-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.payment-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.375;
  color: #000;
  opacity: 0.75;
  letter-spacing: 0.08em;
}

.payment-features li img {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
}

/* ============================================
   Process Section
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.process-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 35px rgba(0, 0, 0, 0.05);
  padding: 40px 0;
  height: 304px;
  background-image: linear-gradient(143deg, rgba(241, 241, 254, 1) 0%, #fff 20%, #fff 71%, #fff 100%);
  transition: transform 0.2s ease;
}

.process-card:hover {
  transform: translateY(-2px);
}

.process-card-inner {
  padding: 0 32px;
}

.process-card-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 20px;
}

.process-card-header img {
  width: 56px;
  height: 56px;
}

.process-card-header h3 {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.33;
  color: #000;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.process-steps li {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.375;
  color: #000;
  opacity: 0.75;
}

.process-steps li img {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-table-wrap {
  background: #fff;
  border-radius: 16px;
  border: 2px solid rgba(22, 22, 22, 0.05);
  padding: 24px;
  overflow: hidden;
}

.pricing-table {
  border-radius: 8px;
  overflow: hidden;
}

.pricing-table thead tr {
  background: rgba(0, 0, 0, 0.02);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.pricing-table th,
.pricing-table td {
  padding: 24px 20px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
  color: #000;
}

.pricing-table th:nth-child(2),
.pricing-table th:nth-child(3),
.pricing-table th:nth-child(4),
.pricing-table th:nth-child(5),
.pricing-table td:nth-child(2),
.pricing-table td:nth-child(3),
.pricing-table td:nth-child(4),
.pricing-table td:nth-child(5) {
  width: 150px;
}

.pricing-table tbody td {
  font-weight: 400;
}

.pricing-table tbody tr {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.pricing-table tbody tr:last-child {
  border-bottom: none;
}

.pricing-table thead .highlight-col {
  color: #000;
  font-weight: 500;
}

.pricing-table tbody .highlight-col {
  color: #00B80A;
  font-weight: 500;
}

/* ============================================
   Advantages Section
   ============================================ */
.advantages-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.advantages-row {
  display: flex;
  gap: 24px;
}

.advantage-card {
  flex: 1;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 35px rgba(0, 0, 0, 0.05);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s ease;
}

.advantage-card:hover {
  transform: translateY(-2px);
}

.advantage-icon-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.advantage-icon-title img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.advantage-icon-title h3 {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  color: #1D2129;
}

.advantage-card p {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.625;
  color: #4E5969;
}

/* ============================================
   About Section
   ============================================ */
.section-about {
  padding: 68px 0 80px;
}

.section-partners {
  padding: 0 0 80px;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 100px;
}

.about-text {
  flex: 1;
}

.about-title-group {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-bottom: 32px;
}

.about-title-group h2 {
  font-size: 36px;
  font-weight: 500;
  line-height: 1.33;
  color: #2A3243;
  text-align: left;
}

.about-desc {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-desc p {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
  color: #2A3243;
  text-align: justify;
}

.about-stats {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.stats-row {
  display: flex;
  gap: 21px;
}

.stat-item {
  flex: 1;
  background: #fff;
  border-radius: 24px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 120px;
}

.stat-number {
  display: flex;
  align-items: flex-end;
  gap: 5px;
}

.stat-value {
  font-family: "Barlow", sans-serif;
  font-size: 44px;
  font-weight: 500;
  line-height: 0.91;
  color: #00D924;
}

.stat-unit {
  font-family: "Barlow", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.25;
  color: #2A3243;
}

.stat-label {
  font-family: "Barlow", sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.54;
  color: #2A3243;
  opacity: 0.5;
}

/* ============================================
   Partners Grid (below About)
   ============================================ */
.partners-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
}

.partners-row {
  display: flex;
  gap: 8px;
}

.partner-card {
  flex: 1;
  background: #fff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
}

.partner-card img {
  max-width: 80%;
  max-height: 60px;
  object-fit: contain;
  opacity: 0.6;
}

/* ============================================
   CTA Section
   ============================================ */
.section-cta {
  padding: 0 0 80px;
}

.cta-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
  display: flex;
  overflow: hidden;
}

.cta-text {
  flex: 0 0 560px;
  padding: 56px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
}

.cta-text-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cta-text-inner h2 {
  font-size: 36px;
  font-weight: 500;
  line-height: 1.11;
  letter-spacing: -0.04em;
  color: #262A33;
  text-align: left;
}

.cta-desc {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.625;
  color: #4E5969;
}

.cta-action {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px;
  background: #00D924;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.44;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background: #00C020;
}

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

.cta-note {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.57;
  color: #262A33;
  opacity: 0.75;
}

.cta-illustration {
  flex: 1;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  overflow: hidden;
  padding: 24px;
}

.cta-illustration img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.cta-illustration:hover img {
  transform: scale(1.05) translateY(-4px);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: #fff;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 52px 0 40px;
}

.footer-brand {
  flex: 0 0 274px;
}

.footer-brand img {
  width: 151px;
  height: 40px;
  margin-bottom: 20px;
}

.footer-slogan-title {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  color: #333;
  margin-bottom: 12px;
}

.footer-slogan-desc {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.875;
  color: #8C8C8C;
}

.footer-links {
  flex: 1 1 0%;
  display: flex;
  justify-content: center;
  gap: 70px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  color: #333;
  margin-bottom: 11px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
}

.footer-col li a {
  font-size: 14px;
  font-weight: 400;
  line-height: 2.14;
  color: #8C8C8C;
  transition: color 0.2s ease;
}

.footer-col li a:hover {
  color: #00B80A;
}

.footer-qrcode {
  flex: 0 0 auto;
}

.footer-qrcode h4 {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.4;
  color: #333;
  margin-bottom: 11px;
}

.qrcode-group {
  display: flex;
  gap: 20px;
}

.qrcode-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.qrcode-placeholder {
  width: 100px;
  height: 100px;
  background: #f5f5f5;
  border-radius: 4px;
  overflow: hidden;
}

.qrcode-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qrcode-item span {
  font-size: 14px;
  font-weight: 400;
  line-height: 2.14;
  color: #8C8C8C;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #F0F2F5;
  position: relative;
  display: inline-block;
  transition: opacity 0.2s ease;
}

.social-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.5;
}

.social-icon--douyin::after {
  background-image: url('images/social-douyin-icon.png');
}

.social-icon--kuaishou::after {
  background-image: url('images/social-kuaishou-icon.png');
}

.social-icon--zhihu::after {
  background-image: url('images/social-zhihu-icon.png');
}

.social-icon:hover {
  opacity: 0.7;
}

.footer-divider {
  border: none;
  border-top: 1px solid #EBEBEB;
  margin: 0;
}

.footer-bottom {
  padding: 20px 0 16px;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  color: #8C8C8C;
  margin-bottom: 8px;
}

.footer-bottom p:last-of-type {
  margin-bottom: 0;
}

.footer-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  padding-bottom: 20px;
}

.footer-badges img {
  height: 22px;
  width: auto;
}

/* ============================================
   Responsive - minimum width handling
   ============================================ */
@media screen and (max-width: 1440px) {
  .header-inner {
    padding: 0 40px;
  }
}

@media screen and (max-width: 1280px) {
  .header-nav ul {
    gap: 48px;
  }

  .about-content {
    gap: 60px;
  }

  .footer-links {
    gap: 40px;
  }
}