:root {
  color-scheme: light;
  --paper: #f5f1e8;
  --paper-deep: #ebe5d7;
  --card: #fffdf8;
  --ink: #1f211e;
  --muted: #686a63;
  --line: #dcd5c7;
  --pine: #2f6958;
  --pine-dark: #1f4f42;
  --pine-soft: #e4eee9;
  --seal: #b64735;
  --shadow: 0 22px 70px rgba(49, 43, 33, 0.09);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 8%, rgba(47, 105, 88, 0.09), transparent 28rem),
    linear-gradient(180deg, #faf8f2 0%, var(--paper) 42%, #f8f5ed 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(47, 105, 88, 0.35);
  outline-offset: 4px;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 213, 199, 0.78);
  background: rgba(250, 248, 242, 0.88);
  backdrop-filter: blur(16px);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-family: "Songti SC", "STSong", serif;
  font-size: 19px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 9px;
  background: var(--seal);
  color: #fffaf2;
  font-size: 18px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--pine-dark);
}

.hero {
  padding: 108px 0 88px;
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(300px, 0.72fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  color: var(--pine-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3 {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(46px, 7vw, 82px);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-copy {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--pine);
  border-radius: 999px;
  background: var(--pine);
  color: white;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  background: var(--pine-dark);
}

.button.secondary {
  background: transparent;
  color: var(--pine-dark);
}

.button.secondary:hover {
  background: var(--pine-soft);
}

.practice-card {
  position: relative;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.practice-card::after {
  content: "";
  position: absolute;
  right: -96px;
  bottom: -118px;
  width: 270px;
  height: 270px;
  border: 1px solid rgba(47, 105, 88, 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(47, 105, 88, 0.045), 0 0 0 70px rgba(47, 105, 88, 0.025);
}

.practice-label {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.practice-line {
  position: relative;
  z-index: 1;
  margin: 38px 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: 38px;
  font-weight: 650;
  line-height: 1.4;
}

.counter {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.counter strong {
  color: var(--pine-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.06em;
}

.counter span {
  max-width: 8em;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  text-align: right;
}

.section {
  padding: 76px 0;
}

.operator-section {
  scroll-margin-top: 96px;
  padding: 0 0 42px;
}

.operator-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 52px;
  padding: 44px 48px;
  border: 1px solid rgba(47, 105, 88, 0.3);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 253, 248, 0.98), rgba(228, 238, 233, 0.82));
  box-shadow: 0 18px 50px rgba(49, 43, 33, 0.07);
}

.operator-intro .eyebrow {
  margin-bottom: 14px;
}

.operator-intro h2 {
  margin: 0;
  font-size: clamp(28px, 3.8vw, 42px);
  line-height: 1.3;
}

.operator-intro > p:last-child {
  margin: 18px 0 0;
  color: #454741;
  font-size: 16px;
  line-height: 1.9;
}

.operator-details,
.contact-details {
  margin: 0;
}

.operator-details > div,
.contact-details > div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.operator-details > div:first-child,
.contact-details > div:first-child {
  padding-top: 0;
}

.operator-details > div:last-child,
.contact-details > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.operator-details dt,
.contact-details dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.operator-details dd,
.contact-details dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
}

.operator-details a,
.contact-details a {
  color: var(--pine-dark);
  text-underline-offset: 3px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.24;
}

.section-heading p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature {
  min-height: 238px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.68);
}

.feature-num {
  color: var(--seal);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

.feature h3 {
  margin: 54px 0 12px;
  font-size: 23px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.quiet-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  padding: 54px;
  border-radius: 26px;
  background: var(--pine-dark);
  color: #f7f3e9;
}

.quiet-panel h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.25;
}

.quiet-panel p {
  margin: 0;
  color: rgba(247, 243, 233, 0.78);
  font-size: 16px;
  line-height: 1.9;
}

.page-main {
  padding: 72px 0 96px;
}

.page-title {
  max-width: 760px;
  margin-bottom: 44px;
}

.page-title h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 66px);
  line-height: 1.15;
}

.page-title p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.document {
  max-width: 820px;
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.document .summary {
  margin: 0 0 38px;
  padding: 20px 22px;
  border-left: 3px solid var(--pine);
  border-radius: 4px;
  background: var(--pine-soft);
  line-height: 1.85;
}

.document section + section {
  margin-top: 38px;
}

.document h2 {
  margin: 0 0 14px;
  font-size: 23px;
  line-height: 1.45;
}

.document p,
.document li {
  color: #454741;
  font-size: 16px;
  line-height: 1.95;
}

.document p {
  margin: 0 0 12px;
}

.document ul {
  margin: 0;
  padding-left: 1.25em;
}

.document li + li {
  margin-top: 8px;
}

.document a,
.support-card a,
.site-footer a {
  color: var(--pine-dark);
  text-underline-offset: 3px;
}

.support-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 22px;
  align-items: start;
}

.support-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}

.support-card h2 {
  margin: 0 0 14px;
  font-size: 26px;
}

.support-card p,
.support-card li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.support-card p:last-child {
  margin-bottom: 0;
}

.faq {
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq li + li {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.faq strong {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 16px;
}

.site-footer {
  padding: 36px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.footer-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
}

.footer-links a {
  text-decoration: none;
}

.muted-note {
  margin-top: 12px;
  color: #7b7d76;
  font-size: 12px;
}

@media (max-width: 840px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 72px;
  }

  .practice-card {
    min-height: 320px;
  }

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

  .feature {
    min-height: auto;
  }

  .feature h3 {
    margin-top: 32px;
  }

  .quiet-panel,
  .support-grid,
  .operator-card {
    grid-template-columns: 1fr;
  }

  .operator-card {
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav {
    min-height: 64px;
  }

  .nav-links {
    gap: 14px;
  }

  .nav-links a:first-child {
    display: none;
  }

  .hero {
    padding: 58px 0 60px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .practice-card {
    padding: 26px;
  }

  .practice-line {
    font-size: 31px;
  }

  .section {
    padding: 56px 0;
  }

  .operator-section {
    padding-bottom: 28px;
  }

  .operator-card {
    padding: 30px 24px;
  }

  .quiet-panel {
    padding: 34px 26px;
  }

  .page-main {
    padding: 52px 0 72px;
  }

  .document,
  .support-card {
    padding: 26px 22px;
  }

  .footer-row {
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}