/* =====================================================
   完美体育平台 / 完美竞技场 Site Kit
   文件路径: /assets/site.css
   技术蓝图式网格 · 深绿与金色竞技风
   ===================================================== */

/* ---------- 1. Reset ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-deep-black);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote {
  margin: 0;
}

ul, ol {
  padding: 0;
}

li {
  list-style: none;
}

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

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

button {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

#main-content {
  scroll-margin-top: 96px;
}

/* ---------- 2. CSS Variables ---------- */

:root {
  --color-deep-green: #0B3D2E;
  --color-gold: #D4AF37;
  --color-dark-red: #8B0000;
  --color-cream: #F5F0E6;
  --color-light-gray: #C0C0C0;
  --color-rice-gold: #E6C87A;
  --color-deep-black: #1A1A1A;
  --color-bright-green: #2E7D51;
  --color-footer-bg: #072A1F;
  --font-heading: 'Noto Sans SC', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-number: 'Roboto Mono', 'SF Mono', Menlo, Consolas, 'Courier New', monospace;
  --container-width: 1240px;
  --header-utility-h: 36px;
  --header-main-h: 72px;
  --transition-fast: 0.2s ease;
  --border-thin: 1px solid rgba(192, 192, 192, 0.45);
  --shadow-card: 0 1px 2px rgba(11, 61, 46, 0.06), 0 4px 16px rgba(11, 61, 46, 0.04);
}

/* ---------- 3. Typography Base ---------- */

h1, .h1 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-deep-black);
}

h2, .h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-deep-black);
}

h3, .h3 {
  font-family: var(--font-heading);
  font-size: clamp(18px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-deep-black);
}

h4, .h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-deep-black);
}

.num-display {
  font-family: var(--font-number);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.num-display-gold {
  color: var(--color-gold);
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-number);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-light-gray);
}

.stat-xl {
  font-family: var(--font-number);
  font-size: clamp(48px, 8vw, 68px);
  font-weight: 800;
  line-height: 1;
  color: var(--color-deep-green);
  font-variant-numeric: tabular-nums;
}

/* ---------- 4. Layout Containers ---------- */

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

@media (min-width: 768px) {
  .container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 40px;
    padding-right: 40px;
  }
}

.page-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

@media (min-width: 768px) {
  .page-container {
    padding: 64px 32px 96px;
  }
}

@media (min-width: 1024px) {
  .page-container {
    padding: 80px 40px 120px;
  }
}

/* ---------- 5. Skip Link ---------- */

.skip-link {
  position: fixed;
  top: -120%;
  left: 16px;
  z-index: 2000;
  padding: 12px 20px;
  background: var(--color-gold);
  color: var(--color-deep-green);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  transition: top var(--transition-fast);
}

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

/* ---------- 6. Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-deep-green);
  background-image:
    linear-gradient(rgba(245, 240, 230, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 230, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.35);
}

.site-header::before,
.site-header::after {
  content: '';
  position: absolute;
  top: 8px;
  width: 10px;
  height: 10px;
  border-color: rgba(212, 175, 55, 0.5);
  border-style: solid;
  pointer-events: none;
  z-index: 1;
}

.site-header::before {
  left: 8px;
  border-width: 1px 0 0 1px;
}

.site-header::after {
  right: 8px;
  border-width: 1px 1px 0 0;
}

.header-utility {
  display: none;
  height: var(--header-utility-h);
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .header-utility {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .header-utility {
    padding: 0 40px;
  }
}

.utility-item {
  font-family: var(--font-number);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 240, 230, 0.45);
}

.utility-right {
  color: rgba(212, 175, 55, 0.55);
}

.header-main {
  position: relative;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  min-height: var(--header-main-h);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

@media (min-width: 768px) {
  .header-inner {
    padding: 0 32px;
  }
}

@media (min-width: 1024px) {
  .header-inner {
    padding: 0 40px;
  }
}

/* Brand */

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 12px;
}

.brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-number);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gold);
  background: var(--color-deep-green);
  border: 1px solid var(--color-gold);
  box-shadow:
    inset 0 0 0 3px var(--color-deep-green),
    inset 0 0 0 4px rgba(212, 175, 55, 0.45);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.brand-badge-lg {
  width: 48px;
  height: 48px;
  font-size: 16px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-cream);
  letter-spacing: 0.02em;
}

.brand-en {
  font-family: var(--font-number);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  margin-top: 3px;
  text-transform: uppercase;
}

/* Navigation */

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1001;
  padding: 16px 24px 24px;
  background-color: var(--color-deep-green);
  background-image:
    linear-gradient(rgba(245, 240, 230, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 230, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
}

.site-nav[data-open] {
  display: block;
  max-height: calc(100vh - var(--header-main-h));
  overflow-y: auto;
}

.nav-item {
  display: block;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-cream);
  border-left: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-gold);
  border-left-color: var(--color-gold);
  background-color: rgba(212, 175, 55, 0.06);
}

.nav-link[aria-current="page"] {
  color: var(--color-gold);
  font-weight: 700;
  border-left-color: var(--color-gold);
  background-color: rgba(212, 175, 55, 0.08);
}

.nav-index {
  min-width: 18px;
  font-family: var(--font-number);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-gold);
  opacity: 0.8;
}

@media (min-width: 992px) {
  .site-nav {
    display: block;
    position: static;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .site-nav[data-open] {
    max-height: none;
    overflow: visible;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 2px;
  }

  .nav-link {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 10px 14px;
    font-size: 14px;
  }

  .nav-link:hover,
  .nav-link[aria-current="page"] {
    border-left-color: transparent;
    border-bottom-color: var(--color-gold);
    background-color: transparent;
  }
}

/* Header Actions */

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

@media (max-width: 991px) {
  .header-actions .header-btn-quick,
  .header-actions .header-btn-cta {
    display: none;
  }
}

/* Nav Toggle */

.nav-toggle {
  position: relative;
  z-index: 1002;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  margin: 0;
  background: transparent;
  border: 1px solid rgba(245, 240, 230, 0.3);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-gold);
}

.nav-toggle-line {
  display: block;
  height: 2px;
  background: var(--color-cream);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.is-active .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }
}

/* Scroll Progress */

.header-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(212, 175, 55, 0.12);
  pointer-events: none;
}

[data-scroll-progress] {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-rice-gold));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 60ms linear;
}

/* ---------- 7. Footer ---------- */

.site-footer {
  position: relative;
  background-color: var(--color-footer-bg);
  background-image:
    linear-gradient(rgba(245, 240, 230, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 230, 0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  border-top: 3px solid var(--color-gold);
  color: rgba(245, 240, 230, 0.72);
  font-size: 14px;
}

.site-footer::before,
.site-footer::after {
  content: '';
  position: absolute;
  bottom: 12px;
  width: 10px;
  height: 10px;
  border-color: rgba(212, 175, 55, 0.4);
  border-style: solid;
  pointer-events: none;
  z-index: 1;
}

.site-footer::before {
  left: 10px;
  border-width: 0 0 1px 1px;
}

.site-footer::after {
  right: 10px;
  border-width: 0 1px 1px 0;
}

.footer-top {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    padding: 64px 32px 48px;
    gap: 40px;
  }
}

@media (min-width: 1080px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    padding: 72px 40px 56px;
    gap: 48px;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.footer-brand-link:hover .brand-badge {
  background-color: var(--color-gold);
  color: var(--color-deep-green);
}

.footer-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand-copy strong {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-cream);
  letter-spacing: 0.03em;
}

.footer-brand-copy small {
  font-family: var(--font-number);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.footer-note {
  max-width: 36ch;
  padding-left: 16px;
  border-left: 2px solid rgba(212, 175, 55, 0.5);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(245, 240, 230, 0.6);
}

.footer-col,
.footer-col-nav,
.footer-col-info,
.footer-col-contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-heading {
  position: relative;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-rice-gold);
}

.footer-heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 32px;
  height: 1px;
  background: var(--color-gold);
}

.footer-list,
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-list a {
  display: inline-block;
  padding: 2px 0;
  color: rgba(245, 240, 230, 0.72);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-list a::before {
  content: '› ';
  font-family: var(--font-number);
  color: var(--color-gold);
  opacity: 0.6;
}

.footer-list a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-contact-list {
  gap: 14px;
}

.footer-contact-list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contact-label {
  font-family: var(--font-number);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.contact-value {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(245, 240, 230, 0.8);
  word-break: break-all;
}

.footer-bottom {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  border-top: 1px solid rgba(245, 240, 230, 0.08);
  font-family: var(--font-number);
  font-size: 12px;
  color: rgba(245, 240, 230, 0.45);
}

@media (min-width: 768px) {
  .footer-bottom {
    padding: 20px 32px;
  }
}

@media (min-width: 1080px) {
  .footer-bottom {
    padding: 20px 40px;
  }
}

.footer-bottom p {
  margin: 0;
}

.footer-icp {
  color: rgba(212, 175, 55, 0.7);
}

.footer-credit {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(212, 175, 55, 0.35);
}

/* Back To Top */

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-gold);
  background: rgba(11, 61, 46, 0.92);
  color: var(--color-gold);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
  z-index: 900;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-gold);
  color: var(--color-deep-green);
}

@media (max-width: 767px) {
  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 40px;
    height: 40px;
  }
}

/* ---------- 8. Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  background: none;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 13px;
}

.btn-cta {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-deep-green);
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.25);
}

.btn-cta:hover {
  background: var(--color-rice-gold);
  border-color: var(--color-rice-gold);
  color: var(--color-deep-green);
}

.btn-ghost {
  border-color: rgba(245, 240, 230, 0.5);
  color: var(--color-cream);
}

.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-gold-line {
  border-color: var(--color-gold);
  color: var(--color-deep-green);
}

.btn-gold-line:hover {
  background: var(--color-gold);
  color: var(--color-deep-green);
}

/* ---------- 9. Breadcrumb ---------- */

.breadcrumb {
  margin-bottom: 32px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-list li:not(:last-child)::after {
  content: '/';
  font-family: var(--font-number);
  color: var(--color-light-gray);
}

.breadcrumb-list a {
  color: var(--color-deep-green);
  transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.breadcrumb-list [aria-current="page"] {
  color: var(--color-deep-black);
  font-weight: 600;
}

/* ---------- 10. Card ---------- */

.card {
  position: relative;
  padding: 24px;
  background: #fff;
  border: var(--border-thin);
  border-top: 3px solid transparent;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold);
  border-top-color: var(--color-gold);
  box-shadow: 0 8px 24px rgba(11, 61, 46, 0.12);
}

.card-title {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.card-meta {
  margin-bottom: 12px;
  font-family: var(--font-number);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-light-gray);
}

.card-text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.72);
}

/* ---------- 11. Tags ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid currentColor;
  background: transparent;
  font-family: var(--font-number);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.tag-alert {
  color: var(--color-dark-red);
  background: rgba(139, 0, 0, 0.06);
  border-color: rgba(139, 0, 0, 0.35);
}

.tag-success {
  color: var(--color-bright-green);
  background: rgba(46, 125, 81, 0.08);
  border-color: rgba(46, 125, 81, 0.4);
}

.tag-gold {
  color: var(--color-deep-green);
  background: var(--color-gold);
  border-color: var(--color-gold);
}

/* ---------- 12. Section Heading ---------- */

.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.section-index {
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

.section-title {
  margin: 0;
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-deep-green);
}

.section-line {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(192, 192, 192, 0.7) 0 4px, transparent 4px 10px);
}

/* ---------- 13. Data Table ---------- */

.data-table {
  width: 100%;
  border-collapse: collapse;
  border: var(--border-thin);
  background: #fff;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(192, 192, 192, 0.3);
}

.data-table th {
  font-family: var(--font-number);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-deep-green);
  background: rgba(11, 61, 46, 0.06);
  border-bottom: 1px solid rgba(11, 61, 46, 0.2);
}

.data-table td:first-child {
  font-family: var(--font-number);
  font-weight: 500;
}

.data-table tbody tr {
  transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(212, 175, 55, 0.06);
}

/* ---------- 14. Grid ---------- */

.grid {
  display: grid;
  gap: 24px;
}

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

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

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

@media (max-width: 991px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ---------- 15. Image Frames ---------- */

.img-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background-color: var(--color-deep-green);
  background-image:
    linear-gradient(rgba(245, 240, 230, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 230, 0.05) 1px, transparent 1px);
  background-size: 16px 16px;
}

.img-frame::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--color-gold);
  border-left: 1px solid var(--color-gold);
  opacity: 0.7;
  pointer-events: none;
}

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

.img-frame-16-9 {
  aspect-ratio: 16 / 9;
}

.img-frame-4-3 {
  aspect-ratio: 4 / 3;
}

.img-frame-3-2 {
  aspect-ratio: 3 / 2;
}

.img-caption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 10px 12px;
  background: rgba(11, 61, 46, 0.05);
  border-left: 2px solid var(--color-gold);
  font-size: 12px;
  line-height: 1.5;
  color: rgba(26, 26, 26, 0.7);
}

.img-caption::before {
  content: '▦';
  font-family: var(--font-number);
  color: var(--color-gold);
}

/* ---------- 16. Prose ---------- */

.prose {
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(26, 26, 26, 0.85);
}

.prose p {
  margin-bottom: 1.2em;
}

.prose h2 {
  margin: 1.8em 0 0.6em;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(192, 192, 192, 0.5);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-deep-green);
}

.prose h3 {
  margin: 1.4em 0 0.4em;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-deep-green);
}

.prose ul {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
  list-style: disc;
}

.prose ul li {
  list-style: disc;
  margin-bottom: 0.4em;
}

.prose ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
  list-style: decimal;
}

.prose ol li {
  list-style: decimal;
  margin-bottom: 0.4em;
}

.prose a {
  color: var(--color-deep-green);
  text-decoration: underline;
  text-decoration-color: rgba(212, 175, 55, 0.8);
  text-underline-offset: 4px;
}

.prose a:hover {
  color: var(--color-gold);
}

.prose strong {
  color: var(--color-deep-black);
}

.prose blockquote {
  margin: 1.5em 0;
  padding: 12px 20px;
  border-left: 3px solid var(--color-gold);
  background: rgba(245, 240, 230, 0.6);
  color: rgba(26, 26, 26, 0.7);
}

/* ---------- 17. Reduced Motion ---------- */

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

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

  [data-scroll-progress] {
    transition: none;
  }

  .back-to-top {
    transition: none;
  }
}