:root {
  --color-green: #1F3B33;
  --color-gold: #9A8868;
  --color-bg: #F6F5F2;
  --color-text: #2C2C2C;
  --color-muted: #666666;
  --color-line: #E5E5E5;
  --color-white: #FFFFFF;
  --color-soft-green: #EAF0EC;
  --color-soft-gold: #F0EADF;
  --color-warm: #FBFAF7;
  --radius: 8px;
  --shadow: 0 16px 36px rgba(31, 59, 51, 0.10);
  --shadow-soft: 0 8px 20px rgba(31, 59, 51, 0.08);
  --header-height: 78px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: var(--header-height);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0;
}

body.no-scroll {
  overflow: hidden;
}

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

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

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
.brand-title,
.section-eyebrow,
.nav-link {
  font-family: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  letter-spacing: 0;
}

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

p {
  color: var(--color-muted);
}

.container {
  width: min(1440px, calc(100% - 88px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  background: rgba(246, 245, 242, 0.94);
  border-bottom: 1px solid rgba(229, 229, 229, 0.86);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(246, 245, 242, 0.98);
  box-shadow: 0 10px 30px rgba(31, 59, 51, 0.08);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  min-width: 194px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(154, 136, 104, 0.45);
  border-radius: 50%;
  color: var(--color-gold);
  background: var(--color-white);
  font-family: "Source Han Serif SC", "Noto Serif CJK SC", SimSun, serif;
  font-size: 18px;
  font-weight: 700;
}

.brand-title {
  display: block;
  color: var(--color-green);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-subtitle {
  display: block;
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.2;
  white-space: nowrap;
}

.site-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  border-radius: var(--radius);
  transition: color 160ms ease, background 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--color-green);
  background: var(--color-soft-green);
  outline: none;
}

.nav-link.is-active {
  box-shadow: inset 0 -2px 0 var(--color-gold);
}

.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 168px;
  padding: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 9px 10px;
  color: var(--color-muted);
  font-size: 14px;
  border-radius: 6px;
  white-space: nowrap;
}

.dropdown a:hover,
.dropdown a:focus-visible {
  color: var(--color-green);
  background: var(--color-soft-green);
  outline: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-search {
  position: relative;
  width: 222px;
}

.search-box {
  display: flex;
  align-items: center;
  height: 38px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-white);
  overflow: hidden;
}

.search-box input {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  padding: 0 0 0 15px;
  border: 0;
  color: var(--color-text);
  background: transparent;
  outline: none;
  font-size: 14px;
}

.search-box button {
  flex: 0 0 52px;
  width: 52px;
  height: 38px;
  border: 0;
  color: var(--color-green);
  background: transparent;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease;
}

.search-box button:hover,
.search-box button:focus-visible {
  color: var(--color-white);
  background: var(--color-green);
  outline: none;
}

.search-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 360px;
  max-height: 420px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow);
}

.search-panel[hidden] {
  display: none;
}

.search-panel a,
.search-panel .empty {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
}

.search-panel a:hover {
  background: var(--color-soft-green);
}

.search-type {
  display: block;
  color: var(--color-gold);
  font-size: 12px;
  line-height: 1.4;
}

.auth-links {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 14px;
  white-space: nowrap;
}

.auth-links button {
  padding: 0;
  border: 0;
  color: var(--color-green);
  background: transparent;
}

.auth-links button:hover,
.auth-links button:focus-visible {
  color: var(--color-gold);
  outline: none;
}

.home-hero {
  position: relative;
  min-height: 642px;
  overflow: hidden;
  background: var(--color-green);
}

.hero-image {
  position: absolute;
  inset: 0;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(31, 59, 51, 0.88) 0%, rgba(31, 59, 51, 0.64) 35%, rgba(31, 59, 51, 0.08) 72%, rgba(31, 59, 51, 0.18) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(690px, 52%);
  padding: 92px 0 76px;
  color: var(--color-white);
}

.kicker,
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--color-gold);
  font-size: 14px;
  font-weight: 700;
}

.kicker::before,
.section-eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

.home-hero h1 {
  margin-bottom: 22px;
  color: var(--color-white);
  font-size: 54px;
  line-height: 1.18;
  font-weight: 700;
}

.home-hero p {
  max-width: 610px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
}

.hero-actions,
.section-actions,
.card-actions,
.inline-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: min(620px, 100%);
  margin-top: 46px;
}

.metric {
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(10px);
}

.metric strong {
  display: block;
  color: var(--color-white);
  font-size: 26px;
  line-height: 1.1;
}

.metric span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--color-green);
  border-radius: var(--radius);
  color: var(--color-green);
  background: transparent;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.btn:hover,
.btn:focus-visible {
  color: var(--color-white);
  background: var(--color-green);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
  outline: none;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  border-color: #172E28;
  background: #172E28;
}

.btn-gold {
  border-color: var(--color-gold);
  color: var(--color-white);
  background: var(--color-gold);
}

.btn-gold:hover,
.btn-gold:focus-visible {
  border-color: var(--color-green);
  background: var(--color-green);
}

.btn-light {
  border-color: rgba(255, 255, 255, 0.78);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-light:hover,
.btn-light:focus-visible {
  border-color: var(--color-white);
  color: var(--color-green);
  background: var(--color-white);
}

.btn-muted {
  border-color: var(--color-line);
  color: var(--color-muted);
  background: var(--color-white);
}

.btn[disabled],
.btn.is-disabled {
  border-color: var(--color-line);
  color: #999999;
  background: #F3F1EC;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.favorite-btn.is-active {
  border-color: var(--color-gold);
  color: var(--color-white);
  background: var(--color-gold);
}

.section {
  padding: 74px 0;
}

.section-alt {
  background: var(--color-warm);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 30px;
}

.section-header h2 {
  margin-bottom: 8px;
  color: var(--color-green);
  font-size: 32px;
  line-height: 1.28;
}

.section-header p {
  max-width: 650px;
  margin-bottom: 0;
}

.feature-grid,
.article-grid,
.course-grid,
.role-grid,
.certificate-grid,
.principle-grid {
  display: grid;
  gap: 20px;
}

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

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

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

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

.card {
  position: relative;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card:hover,
.card:focus-within {
  border-color: rgba(154, 136, 104, 0.42);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card h3 {
  margin-bottom: 12px;
  color: var(--color-green);
  font-size: 22px;
  line-height: 1.38;
}

.card p {
  margin-bottom: 18px;
}

.card-meta,
.tag-row,
.doc-meta,
.course-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  color: var(--color-muted);
  font-size: 13px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--color-green);
  background: var(--color-soft-green);
  font-size: 13px;
}

.tag-gold {
  color: #6C5C3E;
  background: var(--color-soft-gold);
}

.split-band {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 36px;
  align-items: stretch;
}

.visual-panel {
  min-height: 360px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-green);
}

.visual-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.info-list li {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
}

.info-list time,
.info-list strong {
  color: var(--color-green);
  font-weight: 700;
}

.page-hero {
  padding: 68px 0 52px;
  background: var(--color-green);
  color: var(--color-white);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 46px;
  align-items: center;
}

.page-hero h1 {
  margin-bottom: 16px;
  color: var(--color-white);
  font-size: 42px;
  line-height: 1.25;
}

.page-hero p {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.80);
  font-size: 17px;
}

.page-visual {
  height: 190px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.content-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.side-panel {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.side-panel h2 {
  margin-bottom: 16px;
  color: var(--color-green);
  font-size: 21px;
}

.filter-stack,
.filter-strip {
  display: flex;
  gap: 10px;
}

.filter-stack {
  flex-direction: column;
}

.filter-strip {
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.filter-btn {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  color: var(--color-muted);
  background: var(--color-white);
  text-align: left;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.filter-btn:hover,
.filter-btn:focus-visible,
.filter-btn.is-active {
  border-color: var(--color-green);
  color: var(--color-white);
  background: var(--color-green);
  outline: none;
}

.list-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.list-toolbar input,
.list-toolbar select {
  min-height: 42px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  outline: none;
}

.list-toolbar input {
  width: min(360px, 100%);
  padding: 0 14px;
}

.list-toolbar select {
  padding: 0 12px;
}

.stack-list {
  display: grid;
  gap: 16px;
}

.list-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
}

.list-card h3 {
  margin-bottom: 8px;
}

.list-card p {
  margin-bottom: 12px;
}

.doc-card,
.policy-card {
  grid-template-columns: minmax(0, 1fr) 190px;
}

.course-card {
  display: flex;
  min-height: 282px;
  flex-direction: column;
}

.course-card .card-actions {
  margin-top: auto;
}

.course-level {
  align-self: flex-start;
  margin-bottom: 16px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.pagination button {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  color: var(--color-muted);
  background: var(--color-white);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.pagination button:hover,
.pagination button:focus-visible,
.pagination button.is-active {
  border-color: var(--color-green);
  color: var(--color-white);
  background: var(--color-green);
  outline: none;
}

.pagination button[disabled] {
  color: #AAAAAA;
  background: #F0EEE8;
  cursor: not-allowed;
}

.list-empty {
  display: none;
  padding: 34px;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
  color: var(--color-muted);
  background: var(--color-white);
  text-align: center;
}

.list-empty.is-visible {
  display: block;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  counter-reset: step;
}

.step-card {
  counter-increment: step;
}

.step-card::before {
  content: counter(step, decimal-leading-zero);
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--color-gold);
  font-size: 28px;
  font-family: "Source Han Serif SC", "Noto Serif CJK SC", SimSun, serif;
  font-weight: 700;
}

.timeline {
  position: relative;
  display: grid;
  gap: 16px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 132px;
  width: 1px;
  background: var(--color-line);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.timeline-date {
  color: var(--color-green);
  font-weight: 700;
}

.timeline-card {
  padding: 20px 22px;
}

.timeline-card::before {
  content: "";
  position: absolute;
  top: 26px;
  left: -27px;
  width: 10px;
  height: 10px;
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 1px rgba(154, 136, 104, 0.28);
}

.about-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 38px;
  align-items: center;
}

.statement {
  padding: 28px;
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius);
  background: var(--color-white);
}

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

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

.compliance-list li {
  padding: 16px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.footer {
  background: var(--color-green);
  color: rgba(255, 255, 255, 0.80);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(160px, 0.6fr));
  gap: 36px;
  padding: 48px 0;
}

.footer h2,
.footer h3 {
  margin-bottom: 12px;
  color: var(--color-white);
}

.footer p,
.footer a,
.footer li {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer a:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(31, 59, 51, 0.38);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(520px, 100%);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: 0 24px 70px rgba(31, 59, 51, 0.24);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--color-line);
}

.modal-header h2 {
  margin: 0;
  color: var(--color-green);
  font-size: 22px;
}

.modal-close {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  color: var(--color-muted);
  background: var(--color-white);
}

.modal-body {
  padding: 22px;
}

.modal-body p:last-child,
.modal-body ul:last-child {
  margin-bottom: 0;
}

.modal-body ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--color-muted);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 22px 22px;
}

@media (max-width: 1280px) {
  .container {
    width: min(1180px, calc(100% - 48px));
  }

  .brand {
    min-width: 176px;
  }

  .brand-title {
    font-size: 18px;
  }

  .nav-link {
    padding: 0 8px;
    font-size: 14px;
  }

  .site-search {
    width: 190px;
  }

  .home-hero h1 {
    font-size: 46px;
  }

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

@media (max-width: 1080px) {
  :root {
    --header-height: 72px;
  }

  .header-inner {
    gap: 12px;
  }

  .brand-subtitle {
    display: none;
  }

  .site-search {
    width: 166px;
  }

  .auth-links {
    gap: 5px;
    font-size: 13px;
  }

  .home-hero {
    min-height: 590px;
  }

  .hero-content {
    width: 62%;
    padding-top: 72px;
  }

  .article-grid,
  .course-grid,
  .role-grid,
  .certificate-grid,
  .principle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
  }

  .page-hero-inner,
  .about-lead {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-visual {
    display: none;
  }

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

@media (max-width: 900px) {
  body {
    padding-top: 0;
  }

  .site-header {
    position: static;
  }

  .header-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .header-actions {
    margin-left: auto;
  }

  .home-hero,
  .page-hero {
    margin-top: 0;
  }
}