/* ==========================================================
   悟空体育旗舰 Site CSS — 暗夜金红竞技体系
   ========================================================== */

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--color-night);
  color: var(--color-rice);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

#main-content {
  flex: 1 0 auto;
  scroll-margin-top: 6.5rem;
}

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

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

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

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: 0;
}

::selection {
  background: var(--color-gold);
  color: var(--color-night);
}

::-webkit-scrollbar {
  width: 0.625rem;
}
::-webkit-scrollbar-track {
  background: var(--color-night);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-deep-red), var(--color-gold));
  border-radius: 0.3125rem;
}

/* ---------- CSS Variables ---------- */
:root {
  --color-gold: #D4AF37;
  --color-gold-light: #E8D29A;
  --color-deep-red: #7B0C1B;
  --color-china-red: #E60012;
  --color-night: #12121A;
  --color-night-soft: #1A1A24;
  --color-warm-ink: #2B2020;
  --color-rice: #F5F0E1;
  --color-rock: #6C7A89;
  --color-moss: #5C7A5C;
  --color-moss-light: #A8C5A8;

  --font-heading: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Roboto Mono", Consolas, monospace;

  --radius-sm: 0.625rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-pill: 999px;

  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-gold: 0 6px 24px rgba(212, 175, 55, 0.22);

  --container-max: 1400px;
  --container-pad: clamp(1rem, 4vw, 2rem);

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: fixed;
  top: -100%;
  left: 1.25rem;
  z-index: 5000;
  padding: 0.625rem 1.125rem;
  border-radius: var(--radius-pill);
  background: var(--color-gold);
  color: var(--color-night);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  box-shadow: var(--shadow-gold);
  transition: top 0.3s ease;
}
.skip-link:focus-visible {
  top: 1.25rem;
}

/* ---------- Reading Progress ---------- */
.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 4000;
  background: rgba(245, 240, 225, 0.08);
  pointer-events: none;
}
.page-progress-bar {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-deep-red) 0%, var(--color-gold) 55%, var(--color-china-red) 100%);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.65);
}

/* ---------- Site Header ---------- */
.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 1000;
  width: 100%;
  padding-inline: 1rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0.5rem 0.5rem 0.5rem 1.125rem;
  background: rgba(18, 18, 26, 0.82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: var(--radius-pill);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.is-scrolled .header-inner {
  background: rgba(18, 18, 26, 0.94);
  box-shadow: 0 16px 52px rgba(0, 0, 0, 0.6);
}

/* ---------- Brand ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-rice);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}
.brand:hover {
  opacity: 0.88;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold) 10%, var(--color-china-red) 90%);
  color: var(--color-night);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.25rem;
}
.brand-mark::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-china-red);
  box-shadow: 0 0 10px rgba(230, 0, 18, 0.85);
  z-index: 2;
}
.brand-mark-ring {
  position: absolute;
  inset: -3px;
  border: 1px dashed rgba(212, 175, 55, 0.55);
  border-radius: 50%;
  animation: brand-ring-spin 14s linear infinite;
}
.brand-mark-core {
  position: relative;
  z-index: 1;
}
@keyframes brand-ring-spin {
  to { transform: rotate(360deg); }
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.25;
}
.brand-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.0625rem;
  letter-spacing: 0.08em;
  color: var(--color-rice);
  white-space: nowrap;
}
.brand-sub {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  white-space: nowrap;
}

/* ---------- Navigation ---------- */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}
.nav-item {
  margin: 0;
}
.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: rgba(245, 240, 225, 0.85);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-link:hover {
  background: rgba(212, 175, 55, 0.14);
  color: var(--color-gold-light);
}
.nav-link[aria-current="page"] {
  background: var(--color-gold);
  color: var(--color-night);
  font-weight: 700;
}

.nav-toggle {
  display: none;
}

/* ---------- Shared Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.625rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, #B8960F 100%);
  color: var(--color-night);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #E8C64A 0%, var(--color-gold) 100%);
  color: var(--color-night);
  box-shadow: 0 10px 32px rgba(212, 175, 55, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border-color: rgba(212, 175, 55, 0.5);
}
.btn-outline:hover {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-gold-light);
  border-color: var(--color-gold);
}
.btn-lg {
  padding: 0.9375rem 2.25rem;
  font-size: 1.0625rem;
}
.btn-block {
  display: flex;
  width: 100%;
  justify-content: center;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding: 2rem 0 0;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-rock);
}
.breadcrumb-item {
  display: inline-flex;
  align-items: center;
}
.breadcrumb-item + .breadcrumb-item::before {
  content: "⁄";
  padding-right: 0.5rem;
  color: rgba(212, 175, 55, 0.5);
}
.breadcrumb-item a {
  color: var(--color-rock);
  text-decoration: none;
  transition: color 0.2s ease;
}
.breadcrumb-item a:hover {
  color: var(--color-gold);
}
.breadcrumb-item[aria-current="page"] {
  color: var(--color-gold-light);
}

/* ---------- Section System ---------- */
.section {
  padding: clamp(3.25rem, 8vw, 6.5rem) 0;
}
.section-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}
.section-number {
  font-family: var(--font-num);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1.4;
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-pill);
  padding: 0.375rem 0.875rem;
  flex-shrink: 0;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-rice);
  letter-spacing: 0.03em;
}
.section-sub {
  margin-top: 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(245, 240, 225, 0.6);
  max-width: 36rem;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.grid-cols-3,
.grid-cols-4 {
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 768px) {
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Bento Board ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}
.bento-item {
  grid-column: span 12;
  min-width: 0;
}
@media (min-width: 768px) {
  .bento-item.cell-span-4 { grid-column: span 4; }
  .bento-item.cell-span-6 { grid-column: span 6; }
  .bento-item.cell-span-8 { grid-column: span 8; }
  .bento-item.cell-span-12 { grid-column: span 12; }
}

/* ---------- Card ---------- */
.card {
  background: linear-gradient(145deg, #1C1C27 0%, #15151E 100%);
  border: 1px solid rgba(212, 175, 55, 0.14);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(212, 175, 55, 0.08);
  transform: translateY(-4px);
}
.card-accent {
  border-top: 3px solid var(--color-gold);
}
.card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-rice);
  margin-bottom: 0.75rem;
}
.card-text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(245, 240, 225, 0.66);
}

/* ---------- Tag ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.5;
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-gold-light);
  border: 1px solid rgba(212, 175, 55, 0.25);
}
.tag-red {
  background: rgba(230, 0, 18, 0.12);
  color: #FF9A9F;
  border-color: rgba(230, 0, 18, 0.35);
}
.tag-moss {
  background: rgba(92, 122, 92, 0.14);
  color: var(--color-moss-light);
  border-color: rgba(92, 122, 92, 0.36);
}

/* ---------- Content Wrap ---------- */
.content-wrap {
  max-width: 48rem;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: rgba(26, 26, 36, 0.65);
  border: 1px solid rgba(212, 175, 55, 0.14);
  border-radius: var(--radius-lg);
  color: rgba(245, 240, 225, 0.78);
  font-size: 1rem;
  line-height: 1.9;
}
.content-wrap h2,
.content-wrap h3,
.content-wrap h4 {
  font-family: var(--font-heading);
  color: var(--color-rice);
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}
.content-wrap h2:first-child,
.content-wrap h3:first-child {
  margin-top: 0;
}
.content-wrap h2 {
  font-size: 1.625rem;
}
.content-wrap h3 {
  font-size: 1.375rem;
}
.content-wrap p {
  margin-bottom: 1.25rem;
  color: rgba(245, 240, 225, 0.72);
}
.content-wrap a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}
.content-wrap a:hover {
  color: var(--color-gold-light);
}
.content-wrap ul {
  margin: 1rem 0 1.5rem;
  padding-left: 1.25rem;
  list-style: disc;
}
.content-wrap ol {
  margin: 1rem 0 1.5rem;
  padding-left: 1.375rem;
  list-style: decimal;
}
.content-wrap li {
  margin-bottom: 0.45rem;
}
.content-wrap blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-left: 3px solid var(--color-gold);
  background: rgba(212, 175, 55, 0.06);
  border-radius: 0 0.75rem 0.75rem 0;
  color: rgba(245, 240, 225, 0.82);
}

/* ---------- Figure / Image Container ---------- */
.figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-warm-ink);
  aspect-ratio: 16 / 10;
}
.figure[data-aspect="wide"] {
  aspect-ratio: 21 / 9;
}
.figure[data-aspect="square"] {
  aspect-ratio: 1 / 1;
}
.figure[data-aspect="portrait"] {
  aspect-ratio: 3 / 4;
}
.figure > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.figure:hover > img {
  transform: scale(1.04);
}
.figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(18, 18, 26, 0.45));
  pointer-events: none;
}
.figure-figcaption {
  position: absolute;
  right: 0.875rem;
  bottom: 0.875rem;
  z-index: 2;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-pill);
  background: rgba(18, 18, 26, 0.72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(212, 175, 55, 0.2);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-gold-light);
}

/* ---------- Dividers ---------- */
.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.36), transparent);
  margin: 2.5rem 0;
}
.slant-line {
  display: block;
  height: 2px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--color-gold) 30%, var(--color-china-red) 70%, transparent);
  transform: rotate(-1.5deg) scaleX(1.02);
  margin: 2.5rem 0;
  opacity: 0.7;
}

/* ---------- Decor Text ---------- */
.deco-text {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 14vw, 12rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.22);
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

/* ---------- Data Stream ---------- */
.data-stream {
  position: relative;
  overflow: hidden;
  height: 4px;
  border-radius: 2px;
  background: rgba(245, 240, 225, 0.06);
}
.data-stream::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -30%;
  width: 30%;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), var(--color-china-red), transparent);
  animation: data-stream-flow 2.4s ease-in-out infinite;
}
@keyframes data-stream-flow {
  0% { left: -30%; }
  100% { left: 100%; }
}

/* ---------- Path Tree ---------- */
.path-tree {
  position: relative;
  padding-left: 1.5rem;
  border-left: 1px solid rgba(212, 175, 55, 0.24);
}
.path-node {
  position: relative;
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem 0;
}
.path-node::before {
  content: "";
  position: absolute;
  left: -1.531rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(212, 175, 55, 0.14);
}
.path-node:last-child::before {
  display: none;
}
.path-node-marker {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--color-night-soft);
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 0.9375rem;
  z-index: 1;
}
.path-node.is-current .path-node-marker {
  background: var(--color-gold);
  color: var(--color-night);
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.15);
}
.path-node-content {
  flex: 1;
  padding-top: 0.25rem;
}
.path-node-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-rice);
  margin-bottom: 0.5rem;
}
.path-node-desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(245, 240, 225, 0.64);
}

/* ---------- Scroll Spy ---------- */
[data-spy-anchor] {
  color: var(--color-rock);
  transition: color 0.25s ease;
}
[data-spy-anchor]:hover,
[data-spy-anchor].is-active {
  color: var(--color-gold);
}
[data-spy-anchor].is-active {
  font-weight: 700;
}

/* ---------- Reveal on Scroll ---------- */
html.js-animate [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1), transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
html.js-animate [data-reveal="left"] {
  transform: translateX(-40px);
}
html.js-animate [data-reveal="right"] {
  transform: translateX(40px);
}
html.js-animate [data-reveal="zoom"] {
  transform: scale(0.94);
}
html.js-animate [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  margin-top: auto;
  background:
    radial-gradient(ellipse 80% 60% at 20% 100%, rgba(123, 12, 27, 0.55) 0%, transparent 60%),
    linear-gradient(180deg, #12121A 0%, #1A0F14 55%, #230E13 100%);
  border-top: 1px solid rgba(212, 175, 55, 0.25);
  padding: clamp(3rem, 6vw, 5.5rem) 0 0;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: -10%;
  right: -10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.8), rgba(230, 0, 18, 0.6), transparent);
  transform: rotate(-1deg);
}
.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(212, 175, 55, 0.045) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
}

.footer-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(245, 240, 225, 0.08);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
}
.footer-brand-mark {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold) 10%, var(--color-china-red) 90%);
  color: var(--color-night);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.375rem;
  box-shadow: 0 0 24px rgba(212, 175, 55, 0.28);
}
.footer-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--color-rice);
}
.footer-brand-sub {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
}

.footer-statement {
  max-width: 34rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(245, 240, 225, 0.62);
}

.footer-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 3rem 0 2.5rem;
}
@media (min-width: 768px) {
  .footer-columns {
    grid-template-columns: 1.2fr 0.8fr 1.4fr;
    gap: 3rem;
  }
}
.footer-col {
  min-width: 0;
}
.footer-col-nav,
.footer-col-legal,
.footer-col-contact {
  min-width: 0;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  position: relative;
  padding-left: 0.875rem;
}
.footer-col-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 1.25rem;
  background: var(--color-china-red);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.footer-links a {
  color: rgba(245, 240, 225, 0.72);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: color 0.25s ease, padding-left 0.25s ease;
}
.footer-links a:hover {
  color: var(--color-gold-light);
  padding-left: 0.375rem;
}
.footer-links a[aria-current="page"] {
  color: var(--color-gold);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: rgba(245, 240, 225, 0.72);
}
.footer-contact-item {
  line-height: 1.6;
  word-break: break-word;
}
.footer-contact-note {
  margin-top: 1.25rem;
  padding: 0.875rem 1rem;
  border-radius: 0.875rem;
  background: rgba(123, 12, 27, 0.28);
  border-left: 3px solid var(--color-gold);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(245, 240, 225, 0.66);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.875rem;
  padding: 1.5rem 0 1.75rem;
  border-top: 1px solid rgba(245, 240, 225, 0.07);
}
.footer-copy,
.footer-icp {
  font-size: 0.8125rem;
  color: rgba(245, 240, 225, 0.5);
}

/* ---------- Utilities ---------- */
.text-center {
  text-align: center;
}

/* ---------- Focus Visible ---------- */
:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 0.375rem;
}

/* ---------- Responsive: Mobile Nav & Spacing ---------- */
@media (max-width: 1023.98px) {
  .site-header {
    top: 0.5rem;
    padding-inline: 0.75rem;
  }
  .header-inner {
    padding: 0.5rem 0.5rem 0.5rem 1rem;
    gap: 0.75rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(212, 175, 55, 0.4);
    background: rgba(212, 175, 55, 0.06);
    color: var(--color-rice);
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.4;
    cursor: pointer;
    transition: background 0.25s ease, border-color 0.25s ease;
  }
  .nav-toggle:hover {
    background: rgba(212, 175, 55, 0.14);
    border-color: var(--color-gold);
  }
  .nav-toggle-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .nav-toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .nav-toggle-bar + .nav-toggle-bar {
    margin-top: 4px;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0.75rem;
    right: 0.75rem;
    z-index: 100;
    display: block;
    padding: 0.75rem;
    background: rgba(18, 18, 26, 0.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 1.25rem;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  }
  .main-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  .nav-item {
    border-bottom: 1px solid rgba(245, 240, 225, 0.06);
  }
  .nav-item:last-child {
    border-bottom: 0;
  }
  .nav-link {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    color: rgba(245, 240, 225, 0.88);
  }
  .nav-link:hover {
    background: rgba(212, 175, 55, 0.1);
  }
  .nav-link[aria-current="page"] {
    background: rgba(212, 175, 55, 0.12);
    color: var(--color-gold);
  }
}

@media (max-width: 479.98px) {
  .site-header {
    padding-inline: 0.5rem;
  }
  .header-inner {
    padding-left: 0.75rem;
  }
  .brand {
    gap: 0.5rem;
  }
  .brand-mark {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.0625rem;
  }
  .brand-name {
    font-size: 0.9375rem;
  }
  .brand-sub {
    font-size: 0.65625rem;
  }
  .nav-toggle-text {
    display: none;
  }
  .nav-toggle {
    padding: 0.625rem;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .brand-mark-ring,
  .data-stream::before {
    animation: none !important;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  html {
    scroll-padding-top: 6.5rem;
  }
}