:root {
  --bg: #F7F5F0;
  --ink: #252B29;
  --ink-soft: #5A645F;
  --green: #355B4A;
  --green-dark: #2A4739;
  --sage: #E7ECE7;
  --line: #D9DDD5;
  --footer-bg: #202623;
  --footer-ink: #C7D0CA;
  --footer-ink-strong: #F2F0E9;
  --radius: 8px;
  --container: 1120px;
  --reading: 44rem;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--green);
}

a:focus-visible,
.button:focus-visible {
  outline: 3px solid rgba(53, 91, 74, 0.55);
  outline-offset: 3px;
}

::selection {
  background: #D6E2D8;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--green);
  color: #F7F5F0;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 16px;
}

/* 顶部 */

.site-header {
  background: rgba(247, 245, 240, 0.96);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-top: 22px;
  padding-bottom: 22px;
}

.company {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.company-logo {
  display: block;
  height: 28px;
  width: auto;
  flex-shrink: 0;
}



.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}

.site-nav a {
  display: inline-block;
  padding: 4px 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* 首屏 */

.hero {
  padding: 92px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--green);
  font-size: 0.95rem;
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--green);
}

.hero h1 {
  margin-top: 24px;
  font-family: var(--font-serif);
  font-size: 3.4rem;
  font-weight: 600;
  line-height: 1.22;
}

.hero-lead {
  max-width: 34rem;
  margin-top: 24px;
  color: var(--ink-soft);
  font-size: 1.0625rem;
  line-height: 1.9;
}

.hero-actions {
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  background: var(--green);
  color: #F7F5F0;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background-color 0.2s ease;
}

.button:hover {
  background: var(--green-dark);
}

.hero-note {
  max-width: 34rem;
  margin-top: 40px;
  padding-top: 18px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
}

.hero-graphic {
  width: 100%;
  max-width: 460px;
  margin-left: auto;
}

.hero-ring-rotate {
  transform-origin: 210px 210px;
  animation: hero-rotate 48s linear infinite;
}

@keyframes hero-rotate {
  to {
    transform: rotate(360deg);
  }
}

/* 通用区块 */

.section {
  padding: 88px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

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

.section-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.section-index {
  color: var(--green);
  font-size: 0.875rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.section-aside h2,
.info-grid h2 {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.45;
}

.section-body .section-lead {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.6;
}

.section-body > p:not(.section-lead) {
  max-width: var(--reading);
  margin-top: 20px;
  color: var(--ink-soft);
  line-height: 1.95;
}

.section-heading {
  margin-bottom: 44px;
}

.section-heading h2 {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.4;
}

/* 三个日常行动 */

.practice-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.practice-item {
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 30px 28px;
  background: var(--sage);
  border: 1px solid #D8E0D8;
  border-radius: var(--radius);
}

.practice-number {
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 700;
}

.practice-item h3 {
  margin-top: 48px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.5;
}

.practice-item p:last-child {
  margin-top: 14px;
  color: #4C5A51;
  line-height: 1.85;
}

/* 主题阅读 */

.article {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 56px;
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.article:last-child {
  border-bottom: 1px solid var(--line);
}

.article-index {
  color: var(--green);
  font-size: 0.875rem;
  font-weight: 700;
}

.article-aside h3 {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.5;
}

.article-body {
  max-width: var(--reading);
}

.article-body p {
  color: #3F4A44;
  font-size: 1.0625rem;
  line-height: 2;
}

/* 关于我们 */

.about {
  background: var(--green);
  border-top: 0;
}

.about .section-index {
  color: #BFD3C6;
}

.about .section-aside h2 {
  color: #F7F5F0;
}

.about .section-body p {
  max-width: var(--reading);
  color: #DCE5DE;
  font-size: 1.0625rem;
  line-height: 2;
}

/* 网站信息 */

.site-info {
  padding: 72px 0 80px;
  border-top: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

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

.info-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.info-row dt {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.info-row dd {
  color: var(--ink);
}

/* 页脚 */

.site-footer {
  padding: 36px 0;
  background: var(--footer-bg);
  color: var(--footer-ink);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 40px;
}

.footer-company {
  color: var(--footer-ink);
  font-size: 0.8125rem;
  font-weight: 400;
}

.footer-filing a {
  color: var(--footer-ink-strong);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-filing a:hover {
  color: #FFFFFF;
}

.info-list a {
  color: var(--green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.info-list a:hover {
  color: var(--green);
}

/* 404 页面 */

.not-found {
  padding: 120px 0;
}

.not-found-inner {
  max-width: 720px;
}

.not-found h1 {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  line-height: 1.35;
}

.not-found-text {
  max-width: 36rem;
  margin-top: 20px;
  color: var(--ink-soft);
}

.not-found-action {
  margin-top: 36px;
}

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

  .hero-ring-rotate {
    animation: none;
  }
}

@media (max-width: 900px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .site-nav ul {
    gap: 8px 20px;
  }

  .hero {
    padding: 64px 0;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-graphic {
    max-width: 340px;
    margin: 0 auto;
  }

  .section {
    padding: 64px 0;
  }

  .section-grid,
  .info-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .practice-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .practice-item {
    min-height: 0;
  }

  .practice-item h3 {
    margin-top: 24px;
  }

  .article {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 40px 0;
  }

  .article-body p {
    font-size: 1rem;
  }

  .site-info {
    padding: 56px 0 64px;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 20px;
  }

  .hero {
    padding: 52px 0 56px;
  }

  .hero h1 {
    font-size: 2.05rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .section-body .section-lead {
    font-size: 1.4rem;
  }

  .section-heading h2 {
    font-size: 1.7rem;
  }

  .practice-item {
    padding: 24px 22px;
  }

  .info-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .not-found {
    padding: 80px 0;
  }

  .not-found h1 {
    font-size: 2rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}