:root {
  --green: #009a53;
  --green-dark: #006f3d;
  --green-soft: #e9f7f0;
  --orange: #f35a37;
  --blue: #09a9dc;
  --ink: #17241d;
  --muted: #65736c;
  --line: #dbe8e1;
  --bg: #f7fbf8;
  --white: #ffffff;
  --shadow: 0 18px 44px rgba(10, 94, 55, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 6vw;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(0, 154, 83, 0.14);
  backdrop-filter: blur(14px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--green);
  font-weight: 800;
}

.brand-name {
  font-size: 22px;
}

.brand-mark {
  position: relative;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  background: var(--green);
  border-radius: 7px 2px 7px 2px;
  transform: skew(-8deg);
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 5px;
  width: 8px;
  height: 16px;
  border-right: 4px solid var(--white);
  border-bottom: 4px solid var(--white);
  transform: rotate(42deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #314139;
  font-size: 15px;
  font-weight: 700;
}

.site-nav a {
  padding: 10px 0;
}

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 0;
  background: var(--green-soft);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--green-dark);
}

.section,
.section-band {
  padding: 86px 6vw;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 72px);
  background:
    radial-gradient(circle at 76% 24%, rgba(255, 255, 255, 0.18) 0 140px, transparent 141px),
    linear-gradient(135deg, #009a53 0%, #00ae66 56%, #0a7e50 100%);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow,
.light-heading .eyebrow,
.contact-card .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 34px;
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  font-weight: 800;
}

.primary-btn {
  color: var(--green-dark);
  background: var(--white);
}

.secondary-btn {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.62);
}

.hero-panel {
  display: grid;
  gap: 20px;
}

.mascot-card {
  position: relative;
  min-height: 430px;
  padding: 34px;
  overflow: hidden;
  color: var(--green-dark);
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.mascot-card::before {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 330px;
  height: 330px;
  background: var(--green-soft);
  border-radius: 50%;
}

.brand-sign {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 46px;
  color: var(--green);
  font-size: 24px;
  font-weight: 900;
}

.brand-sign-mark {
  position: relative;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  background: var(--green);
  border-radius: 8px 2px 8px 2px;
  transform: skew(-8deg);
}

.brand-sign-mark::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  width: 9px;
  height: 18px;
  border-right: 4px solid var(--white);
  border-bottom: 4px solid var(--white);
  transform: rotate(42deg);
}

.slogan-box {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  max-width: 420px;
  margin-bottom: 28px;
  padding: 24px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 8px;
}

.slogan-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  color: var(--green);
  background: var(--white);
  border-radius: 50%;
  font-size: 62px;
  font-weight: 900;
}

.slogan-box strong {
  display: block;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.1;
}

.mascot-card > strong {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 250px;
  margin-bottom: 14px;
  font-size: 38px;
  line-height: 1.12;
}

.mascot-card small {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 310px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.hero-stats span {
  min-height: 86px;
  padding: 16px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 8px;
  text-align: center;
  font-size: 13px;
}

.hero-stats strong {
  display: block;
  margin-bottom: 4px;
  color: var(--orange);
  font-size: 26px;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.left-heading {
  margin-left: 0;
  text-align: left;
}

.about-grid,
.advantage-grid,
.support-grid,
.people-grid,
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-card,
.advantage-grid article,
.support-grid article,
.people-grid article,
.cost-grid article,
.member-benefits article,
.member-card,
.result-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(8, 75, 46, 0.08);
}

.feature-card {
  min-height: 220px;
  padding: 30px;
}

.feature-card p,
.advantage-grid p,
.support-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.strong-card {
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-color: transparent;
}

.strong-card p {
  color: rgba(255, 255, 255, 0.84);
}

.section-soft {
  background: var(--green-soft);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.service-grid span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 74px;
  padding: 10px;
  color: var(--green-dark);
  background: var(--white);
  border: 1px solid rgba(0, 154, 83, 0.18);
  border-radius: 8px;
  font-weight: 800;
  text-align: center;
}

.advantage-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.advantage-grid article {
  min-height: 280px;
  padding: 30px 24px;
}

.advantage-grid strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 28px;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-size: 34px;
}

.advantage-grid article:nth-child(2) strong {
  background: var(--blue);
}

.advantage-grid article:nth-child(3) strong,
.advantage-grid article:nth-child(4) strong {
  background: var(--orange);
}

.section-dark {
  color: var(--white);
  background: #083d2a;
}

.light-heading p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
}

.support-grid article {
  min-height: 210px;
  padding: 26px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: none;
}

.support-grid article span {
  display: inline-block;
  margin-bottom: 24px;
  color: #7fe0b3;
  font-size: 14px;
  font-weight: 900;
}

.support-grid p {
  color: rgba(255, 255, 255, 0.74);
}

.join-flow {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 10px;
  margin-top: 32px;
}

.join-flow span {
  min-height: 50px;
  padding: 14px 8px;
  color: var(--green-dark);
  background: #d8fff0;
  border-radius: 8px;
  text-align: center;
  font-size: 14px;
  font-weight: 800;
}

.people-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.people-grid article {
  min-height: 190px;
  padding: 28px;
}

.people-grid span {
  display: block;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 28px;
  font-weight: 900;
}

.people-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.cost-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1.45fr);
  gap: 22px;
  align-items: stretch;
}

.cost-total {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 340px;
  padding: 34px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.cost-total span {
  font-weight: 800;
}

.cost-total strong {
  display: block;
  margin: 18px 0;
  font-size: clamp(48px, 8vw, 86px);
  line-height: 1;
}

.cost-total p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.cost-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.cost-grid article {
  min-height: 230px;
  padding: 22px;
}

.cost-grid strong {
  display: block;
  margin-bottom: 26px;
  color: var(--orange);
  font-size: 14px;
}

.cost-grid h3 {
  min-height: 56px;
  margin-bottom: 14px;
  color: var(--green-dark);
  font-size: 20px;
}

.cost-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.member-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.65fr) minmax(220px, 0.65fr);
  gap: 20px;
  align-items: stretch;
}

.member-benefits {
  display: grid;
  gap: 14px;
}

.member-benefits article {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 86px;
  padding: 16px 20px;
}

.member-benefits span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: var(--green);
  border-radius: 8px;
  font-size: 28px;
  font-weight: 900;
}

.member-benefits p {
  margin: 0;
  color: var(--green-dark);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
}

.member-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 388px;
  padding: 30px;
  color: var(--white);
  border: 0;
}

.member-card h3 {
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.8);
  font-size: 28px;
}

.member-card p {
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.75;
}

.member-card strong {
  display: block;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
}

.save-card {
  background: linear-gradient(160deg, var(--blue), #047ea8);
}

.earn-card {
  background: linear-gradient(160deg, var(--orange), #c94126);
}

.results-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.result-card {
  min-height: 150px;
  padding: 26px;
}

.result-card strong {
  display: block;
  margin-bottom: 12px;
  color: var(--orange);
  font-size: 38px;
}

.result-card span {
  color: var(--muted);
  font-weight: 700;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.material-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  margin-top: 28px;
}

.material-preview article {
  min-height: 360px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(8, 75, 46, 0.08);
}

.material-preview h3 {
  margin-bottom: 14px;
  color: var(--green-dark);
}

.material-preview object {
  display: block;
  width: 100%;
  height: 300px;
  border: 0;
  background: var(--green-soft);
  border-radius: 6px;
}

.docs-grid a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 14px;
  color: var(--green-dark);
  background: var(--green-soft);
  border: 1px solid rgba(0, 154, 83, 0.22);
  border-radius: 8px;
  font-weight: 800;
}

.contact-section {
  padding-top: 52px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 36px;
  align-items: center;
  padding: 42px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 8px;
}

.contact-card p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.contact-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.contact-list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 56px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.contact-list span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.site-footer {
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 34px 6vw 38px;
  color: #53625a;
  background: var(--white);
  border-top: 1px solid var(--line);
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.icp {
  color: #53625a;
}

.icp:hover {
  color: var(--green);
}

@media (max-width: 1180px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 6vw 18px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav a {
    padding: 14px 0;
  }

  .hero,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .about-grid,
  .advantage-grid,
  .support-grid,
  .people-grid,
  .cost-layout,
  .member-layout,
  .results-grid,
  .material-preview,
  .docs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cost-total,
  .member-benefits {
    grid-column: 1 / -1;
  }

  .cost-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .join-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
    padding: 0 18px;
  }

  .brand-name {
    font-size: 19px;
  }

  .site-nav {
    top: 64px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .section,
  .section-band {
    padding: 64px 18px;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
  }

  .hero-actions,
  .hero-stats,
  .about-grid,
  .advantage-grid,
  .support-grid,
  .people-grid,
  .cost-layout,
  .cost-grid,
  .member-layout,
  .results-grid,
  .material-preview,
  .docs-grid,
  .contact-card,
  .contact-list li {
    grid-template-columns: 1fr;
  }

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

  .mascot-card {
    min-height: 330px;
    padding: 26px;
  }

  .mascot-card strong {
    max-width: 190px;
    font-size: 34px;
  }

  .brand-sign {
    margin-bottom: 28px;
  }

  .slogan-box {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 14px;
    padding: 18px;
  }

  .slogan-check {
    width: 60px;
    height: 60px;
    font-size: 42px;
  }

  .service-grid,
  .join-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-card {
    padding: 28px;
  }
}
