:root {
  --bg: #f5f7f5;
  --surface: #ffffff;
  --text: #111617;
  --text-secondary: #4b5650;
  --line: #d9e2db;
  --brand: #3e8f4e;
  --brand-dark: #2b6b38;
  --shadow: 0 16px 44px rgba(15, 37, 21, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(120% 100% at 50% 0%, #fbfcfb 0%, var(--bg) 60%, #eef3ef 100%);
  color: var(--text);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

.container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.bg-glow {
  position: fixed;
  pointer-events: none;
  z-index: -1;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.35;
}

.bg-glow-1 {
  width: 280px;
  height: 280px;
  background: #72c681;
  top: -60px;
  right: -40px;
}

.bg-glow-2 {
  width: 240px;
  height: 240px;
  background: #a7c7ff;
  bottom: -80px;
  left: -70px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 12;
  backdrop-filter: saturate(180%) blur(14px);
  background: rgba(245, 248, 245, 0.72);
  border-bottom: 1px solid rgba(215, 224, 217, 0.7);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: block;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 26px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 11px 18px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.22s ease;
}

.btn-small {
  padding: 9px 14px;
  font-size: 14px;
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), #49a95d);
  color: #fff;
  box-shadow: 0 12px 28px rgba(47, 133, 66, 0.24);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 36px rgba(47, 133, 66, 0.28);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.65);
}

.hero {
  padding: 96px 0 70px;
  text-align: center;
}

.kicker {
  margin: 0;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero h1 {
  margin: 16px auto 18px;
  max-width: 860px;
  font-size: clamp(34px, 7vw, 68px);
  letter-spacing: -0.03em;
  line-height: 1.03;
}

.hero h1 span {
  color: var(--brand-dark);
}

.hero-desc {
  margin: 0 auto;
  max-width: 710px;
  font-size: clamp(17px, 3vw, 22px);
  color: var(--text-secondary);
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 16px;
  color: #5d6761;
  font-size: 14px;
}

.article-hero {
  padding: 88px 0 36px;
}

.article {
  max-width: 820px;
  margin: 0 auto;
}

.article h1 {
  margin: 14px 0 16px;
  font-size: clamp(34px, 7vw, 62px);
  letter-spacing: -0.03em;
  line-height: 1.04;
}

.article-lede {
  margin: 0;
  font-size: clamp(17px, 3vw, 22px);
  color: var(--text-secondary);
}

.article-body {
  max-width: 820px;
  margin: 0 auto;
  padding: 8px 24px 72px;
}

.article-body h2 {
  margin: 34px 0 12px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.article-body p,
.article-body li {
  color: var(--text-secondary);
}

.article-body p {
  margin: 0 0 14px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 16px;
  padding-left: 22px;
}

.article-cta {
  margin-top: 30px;
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #f2f7f3 100%);
  border: 1px solid #dfe8e1;
  box-shadow: var(--shadow);
}

.article-cta h2 {
  margin-top: 0;
}

.section {
  padding: 62px 0;
}

.section h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.section-intro {
  margin: 0 0 18px;
  color: var(--text-secondary);
}

.grid {
  display: grid;
  gap: 16px;
}

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

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

.card,
.panel {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(220, 228, 221, 0.9);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.card {
  padding: 24px;
}

.card h3,
.panel h3 {
  margin: 0 0 8px;
  font-size: 21px;
  letter-spacing: -0.01em;
}

.card p,
.panel p {
  margin: 0;
  color: var(--text-secondary);
}

.panel {
  padding: 28px;
}

.premium-box {
  margin-top: 14px;
  border-radius: 24px;
  padding: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #f2f7f3 100%);
  border: 1px solid #dfe8e1;
  box-shadow: var(--shadow);
}

.premium-box ul {
  margin: 0;
  padding-left: 20px;
}

.premium-box li {
  margin: 10px 0;
  font-weight: 500;
}

.renew-note,
.compliance-note {
  margin-top: 16px;
  color: #5c6660;
  font-size: 14px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
  padding: 14px 2px;
}

summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

summary::-webkit-details-marker {
  display: none;
}

.site-footer {
  border-top: 1px solid rgba(215, 224, 217, 0.9);
  padding: 28px 0 36px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
  color: #5d6761;
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: #3f4844;
  text-decoration: none;
  font-size: 14px;
}

a {
  color: var(--brand-dark);
}

@media (max-width: 920px) {
  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }
}

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

  .container {
    width: min(1120px, calc(100% - 28px));
  }

  .hero {
    padding-top: 74px;
  }
}