:root {
  --c-primary: #1F4F3E;
  --c-secondary: #2E8B57;
  --c-accent: #D4AF37;
  --c-accent-light: #E8C873;
  --c-alert: #8B2252;
  --c-ink: #1A1A1A;
  --c-muted: #666666;
  --c-bg: #F4F4F4;
  --c-surface: #FFFFFF;
  --c-glass: rgba(255,255,255,0.08);
  --c-glass-strong: rgba(255,255,255,0.14);
  --c-line: rgba(31,79,62,0.14);
  --font-head: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Source Serif Pro", "Noto Serif SC", "Songti SC", Georgia, serif;
  --size-h1: clamp(2.5rem, 4.5vw + 0.5rem, 3.5rem);
  --size-h2: clamp(1.6rem, 2.6vw + 0.5rem, 2.35rem);
  --size-h3: clamp(1.2rem, 1.4vw + 0.4rem, 1.55rem);
  --size-body: clamp(1rem, 0.3vw + 0.9rem, 1.125rem);
  --size-caption: 0.875rem;
  --gutter: clamp(1.25rem, 3vw, 2.5rem);
  --container: 1240px;
  --radius: 4px;
  --transition: 0.25s ease;
  --shadow-sm: 0 4px 14px rgba(31,79,62,0.08);
  --shadow-lg: 0 12px 36px rgba(31,79,62,0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.75;
  color: var(--c-ink);
  background: var(--c-bg);
}

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

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.25;
  margin: 0 0 0.6em;
  color: var(--c-primary);
}

p {
  margin: 0 0 1.25em;
}

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--c-secondary);
}

ul, ol {
  padding-left: 1.2rem;
}

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 8px rgba(212,175,55,0.32);
  border-radius: var(--radius);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 0;
  left: -999px;
  z-index: 5000;
  background: var(--c-accent);
  color: var(--c-primary);
  font-family: var(--font-head);
  font-weight: 900;
  padding: 12px 24px;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
  box-shadow: none;
  outline: none;
}

.container {
  width: min(100%, calc(var(--container) + var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(2.25rem, 5vw, 4.5rem);
  padding-inline: var(--gutter);
}

.section.alt {
  background: var(--c-surface);
}

.section-tint {
  background: linear-gradient(135deg, #153A2B 0%, var(--c-primary) 60%, #206149 100%);
  color: rgba(255,255,255,0.9);
}

.section-tint h1,
.section-tint h2,
.section-tint h3 {
  color: #fff;
}

.section-head {
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.section-kicker {
  font-family: var(--font-head);
  font-size: var(--size-caption);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-primary);
  margin: 0 0 6px;
}

.section-title {
  margin: 0;
}

.grid {
  display: grid;
  gap: var(--gutter);
}

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

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

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2vw, 1.75rem);
  box-shadow: var(--shadow-sm);
}

.card::before {
  content: "";
  display: block;
  height: 3px;
  width: 100%;
  margin-bottom: 1rem;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--c-accent), transparent);
}

.card-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--size-h3);
  margin-bottom: 0.5rem;
  color: var(--c-primary);
}

.card-body {
  font-size: 1rem;
  color: var(--c-ink);
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 2px;
  border: 1px solid transparent;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-gold {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-primary);
}

.btn-gold:hover {
  background: var(--c-accent-light);
  border-color: var(--c-accent-light);
  color: var(--c-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: rgba(212,175,55,0.6);
  color: var(--c-primary);
}

.btn-outline:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-primary);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(212,175,55,0.14);
  color: var(--c-primary);
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.tag-alert {
  background: var(--c-alert);
  color: #fff;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-head);
  font-size: 0.875rem;
  color: var(--c-muted);
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li::after {
  content: "/";
  margin: 0 10px;
  color: rgba(212,175,55,0.8);
}

.breadcrumb li:last-child::after {
  display: none;
}

.breadcrumb a {
  color: var(--c-muted);
}

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

.breadcrumb [aria-current="page"] {
  color: var(--c-primary);
  font-weight: 700;
}

.page-head {
  background: linear-gradient(120deg, #153A2B 0%, var(--c-primary) 60%, #206149 100%);
  color: #fff;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
}

.page-head .page-kicker {
  color: var(--c-accent-light);
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  margin: 0 0 10px;
}

.page-head .page-title {
  color: #fff;
  margin: 0;
}

.glass {
  background: var(--c-glass);
  border: 1px solid rgba(255,255,255,0.16);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.figure {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.figure-16x9 {
  aspect-ratio: 16 / 9;
}

.figure-4x3 {
  aspect-ratio: 4 / 3;
}

.figure-panel {
  aspect-ratio: 3 / 4;
}

.figure-placeholder {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(45deg, rgba(31,79,62,0.03) 0 8px, transparent 8px 16px),
    var(--c-bg);
  color: var(--c-muted);
  font-family: var(--font-head);
  font-size: var(--size-caption);
  border: 1px dashed var(--c-line);
}

.figure-caption {
  padding: 10px 14px;
  font-size: var(--size-caption);
  color: var(--c-muted);
  background: var(--c-surface);
  border-top: 1px solid var(--c-line);
  font-family: var(--font-head);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: linear-gradient(112deg, #12392A 0%, #1F4F3E 52%, #24604A 100%);
  border-bottom: 1px solid rgba(212,175,55,0.26);
  box-shadow: 0 4px 20px rgba(18,57,42,0.25);
  color: #fff;
}

.header-progress {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--c-accent), #FFE9A3);
  box-shadow: 0 0 8px rgba(212,175,55,0.6);
  z-index: 5;
  pointer-events: none;
}

.header-shell {
  --shell-gutter: clamp(1.25rem, 3vw, 2.5rem);
  max-width: calc(var(--container) + var(--shell-gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--shell-gutter);
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 2rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  color: #fff;
}

.brand:hover {
  color: #fff;
}

.brand-glyph {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 2px solid rgba(255,255,255,0.18);
  position: relative;
  flex: 0 0 auto;
}

.brand-glyph::before {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--c-primary);
}

.brand-glyph::after {
  content: "";
  position: absolute;
  inset: 12px;
  background: var(--c-accent);
  clip-path: polygon(50% 0%, 100% 38%, 81% 100%, 19% 100%, 0% 38%);
}

.brand-name {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 2vw, 1.45rem);
  line-height: 1.1;
  letter-spacing: 0.04em;
}

.brand-name-main {
  font-weight: 900;
  color: #fff;
}

.brand-name-sub {
  font-style: normal;
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--c-accent-light);
  border: 1px solid rgba(212,175,55,0.5);
  padding: 1px 8px;
  border-radius: 999px;
  letter-spacing: 0.08em;
}

.site-nav {
  display: block;
}

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.25rem, 1.5vw, 1.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav .nav-links a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  padding: 0.5rem 0.25rem;
  color: rgba(255,255,255,0.86);
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.site-nav .nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 0;
  height: 3px;
  background: var(--c-accent);
  transition: left 0.25s ease, right 0.25s ease;
}

.site-nav .nav-links a:hover::after,
.site-nav .nav-links a[aria-current="page"]::after {
  left: 0;
  right: 0;
}

.site-nav .nav-links a[aria-current="page"] {
  color: #fff;
}

.nav-index {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--c-accent);
}

.nav-caption {
  display: none;
}

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

.header-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 2px;
  background: var(--c-accent);
  color: var(--c-primary);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid var(--c-accent);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.header-dl:hover {
  background: var(--c-accent-light);
  border-color: var(--c-accent-light);
  color: var(--c-primary);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255,255,255,0.35);
  background: var(--c-glass);
  border-radius: 4px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  margin: 2px 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-footer {
  position: relative;
  background:
    repeating-linear-gradient(to bottom, rgba(212,175,55,0.045) 0, rgba(212,175,55,0.045) 1px, transparent 1px, transparent 48px),
    linear-gradient(140deg, #12392A, #1F4F3E 58%, #1E5C48);
  color: rgba(255,255,255,0.82);
  border-top: 3px solid var(--c-accent);
}

.footer-sash {
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-light) 34%, transparent 34%);
}

.footer-spot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: clamp(2.25rem, 5vw, 4.25rem) var(--gutter) clamp(1.75rem, 4vw, 3.5rem);
  background: linear-gradient(120deg, var(--c-glass), rgba(255,255,255,0.02) 70%);
  border-bottom: 1px solid rgba(212,175,55,0.18);
}

.footer-kicker {
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  color: var(--c-accent-light);
  margin: 0;
}

.footer-lead {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.35rem, 2.4vw + 0.5rem, 2.2rem);
  line-height: 1.35;
  color: #fff;
  max-width: 46rem;
  margin: 0;
}

.footer-sub {
  color: rgba(255,255,255,0.72);
  margin: 0;
  font-size: 1rem;
}

.footer-spot .btn {
  margin-top: 8px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr 0.9fr 1.25fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: clamp(2rem, 4vw, 3.5rem) var(--gutter);
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
}

.footer-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.footer-title {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--c-accent-light);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  margin: 0 0 8px;
  padding-bottom: 6px;
  border-bottom: 2px solid rgba(212,175,55,0.24);
  align-self: stretch;
}

.footer-link {
  color: rgba(255,255,255,0.78);
  padding: 3px 0;
}

.footer-link:hover {
  color: var(--c-accent-light);
}

.footer-about {
  gap: 10px;
}

.footer-brand {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.6rem;
  color: #fff;
  margin: 0 0 6px;
  line-height: 1;
}

.footer-brand b {
  font-weight: 900;
  color: #fff;
}

.footer-brand span {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--c-accent-light);
  border: 1px solid rgba(212,175,55,0.45);
  border-radius: 999px;
  padding: 2px 10px;
  vertical-align: 6px;
  margin-left: 6px;
  letter-spacing: 0.06em;
}

.footer-about-text {
  margin: 0;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  font-size: 0.98rem;
}

.footer-contact-line {
  margin: 0;
  color: rgba(255,255,255,0.78);
  font-size: 0.95rem;
  line-height: 1.65;
}

.footer-contact-note {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  padding: 1.1rem var(--gutter);
  border-top: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.18);
  color: rgba(255,255,255,0.56);
  font-size: 0.85rem;
}

.footer-copy {
  margin: 0;
}

.footer-trust {
  margin: 0;
  font-weight: 600;
  color: rgba(255,255,255,0.66);
}

.footer-bottom-links {
  display: flex;
  gap: 0.85rem;
  margin: 0;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.72);
}

.footer-bottom-links a:hover {
  color: var(--c-accent-light);
}

body.nav-open {
  overflow: hidden;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js [data-reveal="visible"] {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1023px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 86vw);
    z-index: 600;
    background: linear-gradient(162deg, #153D2E 0%, #1F4F3E 62%, #1B5A43 100%);
    box-shadow: -12px 0 40px rgba(0,0,0,0.35);
    border-left: 2px solid var(--c-accent);
    padding: calc(var(--gutter) * 1.4) var(--gutter);
    transform: translateX(102%);
    visibility: hidden;
    transition: transform 0.32s ease, visibility 0s 0.32s;
    overflow-y: auto;
  }

  .site-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.32s ease, visibility 0s;
  }

  .nav-caption {
    display: block;
    font-family: var(--font-head);
    font-weight: 700;
    color: var(--c-accent-light);
    letter-spacing: 0.18em;
    font-size: 0.8rem;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin: 0 0 10px;
  }

  .site-nav .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: 1.2rem;
  }

  .site-nav .nav-links li {
    width: 100%;
  }

  .site-nav .nav-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 15px 12px;
    border-left: 2px solid transparent;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.9);
    font-size: 1.05rem;
  }

  .site-nav .nav-links a::after {
    display: none;
  }

  .site-nav .nav-links a[aria-current="page"] {
    background: linear-gradient(90deg, rgba(212,175,55,0.18), transparent);
    border-left-color: var(--c-accent);
  }

  body.nav-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 400;
    background: rgba(18,57,42,0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease;
  }

  body.nav-open::before {
    opacity: 1;
    visibility: visible;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    align-items: flex-start;
  }
}

@media (max-width: 767px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

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

  .header-dl {
    padding: 8px 14px;
    font-size: 0.86rem;
  }

  .brand-glyph {
    width: 36px;
    height: 36px;
  }

  .brand-name-sub {
    display: none;
  }
}

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

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js [data-reveal],
  .js [data-reveal="visible"] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}