/* ============ 大江体育 Site Kit 共享样式 ============ */

/* ---------- 1. Reset 与基础 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  background-color: #0F1420;
  color: #E8F0F8;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

ul, ol {
  list-style: none;
}

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

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

table {
  border-collapse: collapse;
  width: 100%;
}

::selection {
  background: #00E676;
  color: #0F1420;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
  background: #0F1420;
}

::-webkit-scrollbar-thumb {
  background: #1E293B;
  border: 2px solid #0F1420;
}

::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

:focus-visible {
  outline: 2px solid #00E676;
  outline-offset: 3px;
}

/* ---------- 2. 设计变量 ---------- */
:root {
  --dj-ink: #0F1420;
  --dj-navy: #0B1F3A;
  --dj-green: #00E676;
  --dj-orange: #FF6B35;
  --dj-paper: #F8FAFC;
  --dj-text: #E8F0F8;
  --dj-muted: #9AA5B1;
  --dj-line: #1E293B;
  --dj-grid: #334155;
  --dj-row: #1A2634;

  --font-head: "Arial Black", "Impact", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --max: 1240px;
  --h-hero: clamp(3rem, 8vw, 6rem);
  --h-section: clamp(2rem, 5vw, 3.5rem);
  --h-sub: clamp(1.25rem, 2vw, 1.75rem);
}

/* ---------- 3. 可达性辅助 ---------- */
.skip-link {
  position: fixed;
  top: 0.65rem;
  left: 0.65rem;
  z-index: 999;
  padding: 0.65rem 1.1rem;
  background: var(--dj-green);
  color: var(--dj-ink);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1;
  border-radius: 2px;
  box-shadow: 0 4px 18px rgba(0, 230, 118, 0.35);
  transform: translateY(-220%);
  transition: transform 0.25s ease;
}
.skip-link:focus {
  transform: translateY(0);
}

/* ---------- 4. 滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  z-index: 800;
  background: linear-gradient(90deg, var(--dj-orange) 0%, var(--dj-green) 70%);
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.45);
  pointer-events: none;
}

/* ---------- 5. 页头 / 刊头 ---------- */
.site-masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background:
    radial-gradient(1100px 300px at 18% -40%, rgba(0, 230, 118, 0.09), transparent 60%),
    linear-gradient(180deg, var(--dj-ink) 0%, #0A1B33 100%);
  border-bottom: 1px solid var(--dj-line);
}

.site-masthead::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--dj-green) 0%, rgba(0, 230, 118, 0.35) 68%, var(--dj-orange) 100%);
}

.masthead-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.45rem 1.5rem;
  border-bottom: 1px solid rgba(30, 41, 59, 0.8);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--dj-muted);
}

.meta-sync {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meta-phone {
  color: var(--dj-muted);
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--dj-green);
  flex: 0 0 auto;
}

.status-dot--pulse {
  animation: dj-pulse 1.8s ease-in-out infinite;
}

@keyframes dj-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.45);
  }
  55% {
    box-shadow: 0 0 0 6px rgba(0, 230, 118, 0);
  }
}

.masthead-core {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem 2.5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 1.25rem;
}

.masthead-side {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--dj-muted);
}

.masthead-side--left {
  align-items: flex-start;
}

.masthead-side--right {
  align-items: flex-end;
  text-align: right;
}

.masthead-edition {
  color: var(--dj-text);
}

.masthead-edition-sub {
  color: var(--dj-orange);
}

.masthead-datestamp {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--dj-text);
}

.masthead-live {
  color: var(--dj-green);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  background: linear-gradient(135deg, #00E676 0%, #00C853 100%);
  color: var(--dj-ink);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 78% 100%, 0 100%);
  box-shadow: 0 0 20px rgba(0, 230, 118, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-wordmark {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--dj-text);
  white-space: nowrap;
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dj-green);
  white-space: nowrap;
}

.masthead-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  border-top: 1px solid var(--dj-line);
  border-bottom: 1px solid var(--dj-line);
}

.masthead-bar::before {
  content: "正在更新";
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--dj-orange);
  z-index: 1;
}

.masthead-bar::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 14px;
  height: 14px;
  background: var(--dj-orange);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
}

.nav-item {
  border-left: 1px solid rgba(30, 41, 59, 0.75);
}

.nav-item:first-child {
  border-left: 0;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 0.7rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--dj-text);
  transition: color 0.25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 1.15rem;
  right: 1.15rem;
  bottom: 0;
  height: 2px;
  background: var(--dj-green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s ease;
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--dj-green);
  font-weight: 700;
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--dj-line);
  border-radius: 3px;
  background: rgba(0, 230, 118, 0.04);
  font-weight: 600;
  font-size: 0.85rem;
  line-height: 1;
  color: var(--dj-text);
  transition: border-color 0.2s ease, background 0.2s ease;
}

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

.nav-toggle[aria-expanded="true"] {
  border-color: var(--dj-green);
}

.nav-toggle-box {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--dj-green);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

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

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

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

.nav-toggle-text {
  color: var(--dj-text);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary {
  background: var(--dj-green);
  color: var(--dj-ink);
}

.btn-primary:hover {
  background: #5CF0A1;
  box-shadow: 0 8px 24px rgba(0, 230, 118, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--dj-text);
  border-color: var(--dj-grid);
}

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

.btn-accent {
  background: var(--dj-orange);
  color: #0F1420;
}

.btn-accent:hover {
  background: #FF8A5C;
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.btn-lg {
  padding: 1rem 1.9rem;
  font-size: 1.05rem;
}

/* ---------- 7. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--dj-muted);
}

.breadcrumb a {
  color: var(--dj-muted);
  transition: color 0.2s ease;
}

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

.breadcrumb-sep {
  color: var(--dj-grid);
}

.breadcrumb [aria-current="page"] {
  color: var(--dj-green);
}

/* ---------- 8. 容器与版面 ---------- */
.container {
  width: min(100% - 3rem, var(--max));
  margin-inline: auto;
}

.container-wide {
  width: min(100% - 3rem, 1360px);
  margin-inline: auto;
}

.container-narrow {
  width: min(100% - 3rem, 760px);
  margin-inline: auto;
}

.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.section-head {
  max-width: 68ch;
  margin-bottom: 1.5rem;
}

.section-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--h-section);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--dj-text);
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--h-hero);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--dj-text);
}

.subheading {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--h-sub);
  line-height: 1.2;
  color: var(--dj-text);
}

.page-head {
  padding-block: clamp(1.6rem, 3.5vw, 2.8rem) 1.4rem;
  border-bottom: 1px solid var(--dj-line);
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-title {
  margin-top: 0.3rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--h-section);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-summary {
  margin-top: 0.8rem;
  max-width: 62ch;
  color: var(--dj-muted);
}

.prose {
  max-width: 68ch;
  color: var(--dj-text);
}

.prose p {
  margin-bottom: 1.15em;
}

.prose a {
  color: var(--dj-green);
  border-bottom: 1px solid rgba(0, 230, 118, 0.4);
}

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--dj-line), transparent);
  margin-block: 2rem;
}

/* ---------- 9. 网格 ---------- */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 1.75rem);
}

.span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9, .span-12 {
  grid-column: 1 / -1;
}

@media (min-width: 768px) {
  .span-3 { grid-column: span 3; }
  .span-4 { grid-column: span 4; }
  .span-5 { grid-column: span 5; }
  .span-6 { grid-column: span 6; }
  .span-7 { grid-column: span 7; }
  .span-8 { grid-column: span 8; }
  .span-9 { grid-column: span 9; }
  .span-12 { grid-column: 1 / -1; }
}

/* ---------- 10. 卡片与仪表板组件 ---------- */
.card {
  position: relative;
  padding: 1.4rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 55%), var(--dj-navy);
  border: 1px solid var(--dj-line);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  border-color: rgba(0, 230, 118, 0.5);
  box-shadow: 0 0 0 1px rgba(0, 230, 118, 0.16), 0 14px 34px rgba(0, 0, 0, 0.3);
}

.card-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--dj-text);
}

.card-meta {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--dj-muted);
}

.card-value {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--dj-green);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--dj-line);
  background: var(--dj-line);
}

.stat {
  padding: 1.1rem 1.2rem;
  background: var(--dj-navy);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dj-muted);
}

.stat-value {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: var(--dj-green);
}

.stat-delta {
  display: inline-block;
  margin-top: 0.3rem;
  font-size: 0.74rem;
  color: var(--dj-orange);
}

@media (min-width: 768px) {
  .stat-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.data-table {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.data-table caption {
  text-align: left;
  padding-bottom: 0.6rem;
  font-family: var(--font-head);
  font-size: 0.95rem;
  color: var(--dj-text);
}

.data-table th {
  padding: 0.65rem 0.8rem;
  text-align: left;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--dj-muted);
  border-bottom: 1px solid var(--dj-grid);
  white-space: nowrap;
}

.data-table td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid rgba(30, 41, 59, 0.7);
  color: var(--dj-text);
}

.data-table tbody tr:nth-child(even) {
  background: var(--dj-row);
}

.data-table tbody tr:hover {
  background: rgba(0, 230, 118, 0.06);
}

.data-table .val {
  color: var(--dj-green);
  font-weight: 700;
}

/* ---------- 11. 媒体容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 3px),
    linear-gradient(135deg, rgba(0, 230, 118, 0.1), transparent 55%),
    var(--dj-row);
  border: 1px solid var(--dj-line);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--dj-green), transparent 75%);
}

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

.media-frame--ratio-1-1 {
  aspect-ratio: 1 / 1;
}

.media-note {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.55rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--dj-line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--dj-muted);
}

/* ---------- 12. 标签、面板 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.6rem;
  border: 1px solid rgba(0, 230, 118, 0.3);
  background: rgba(0, 230, 118, 0.08);
  color: var(--dj-green);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tag--orange {
  border-color: rgba(255, 107, 53, 0.35);
  background: rgba(255, 107, 53, 0.08);
  color: var(--dj-orange);
}

.panel {
  padding: 1.6rem;
  background: var(--dj-paper);
  color: #182235;
  border-top: 3px solid var(--dj-green);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
}

.panel h1, .panel h2, .panel h3, .panel h4 {
  color: var(--dj-navy);
}

.panel .muted {
  color: #55637A;
}

/* ---------- 13. 页脚 ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(3rem, 7vw, 5rem);
  background:
    radial-gradient(800px 360px at 100% 100%, rgba(0, 230, 118, 0.08), transparent 60%),
    linear-gradient(180deg, #0A1B33 0%, var(--dj-ink) 100%);
  border-top: 1px solid var(--dj-line);
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--dj-orange) 0%, var(--dj-green) 38%, rgba(0, 230, 118, 0.3) 100%);
}

.footer-watermark {
  position: absolute;
  right: -0.02em;
  bottom: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(4rem, 13vw, 11rem);
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(30, 41, 59, 0.65);
  opacity: 0.55;
  user-select: none;
  pointer-events: none;
  z-index: 0;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.5rem 1.6rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
}

.footer-col {
  min-width: 0;
}

.footer-brand {
  max-width: 30ch;
}

.brand-lockup--footer .brand-mark {
  width: 2.3rem;
  height: 2.3rem;
  font-size: 0.72rem;
  box-shadow: none;
}

.brand-lockup--footer .brand-wordmark {
  font-size: 1.35rem;
}

.footer-trust {
  margin-top: 1.1rem;
  padding-left: 0.8rem;
  border-left: 2px solid var(--dj-green);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--dj-muted);
}

.footer-heading {
  display: flex;
  align-items: center;
  margin-bottom: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dj-muted);
}

.footer-heading::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: var(--dj-green);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.footer-heading::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  margin-left: 0.6rem;
  background: linear-gradient(90deg, var(--dj-line), transparent);
}

.footer-links {
  display: grid;
  gap: 0.42rem;
}

.footer-links a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--dj-muted);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a::before {
  content: "›";
  color: var(--dj-grid);
  font-family: var(--font-mono);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--dj-green);
  padding-left: 3px;
}

.footer-links a:hover::before {
  color: var(--dj-green);
}

.footer-contact-list {
  display: grid;
  gap: 0.5rem;
}

.footer-contact-note {
  font-size: 0.82rem;
  color: var(--dj-muted);
  line-height: 1.6;
}

.footer-contact-entry {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--dj-text);
  word-break: break-word;
}

.footer-contact-entry::before {
  content: "// ";
  color: var(--dj-green);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  margin-top: 2.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--dj-line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--dj-muted);
}

.footer-copyright,
.footer-icp {
  margin: 0;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 2.4rem;
  }
  .footer-brand {
    grid-column: 1 / -1;
    max-width: 46ch;
  }
}

@media (min-width: 1080px) {
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  }
  .footer-brand {
    grid-column: auto;
  }
}

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1023px) {
  .masthead-bar::before {
    display: none;
  }
  .masthead-core {
    gap: 1rem;
  }
  .nav-link {
    padding: 0.7rem 0.85rem;
  }
  .nav-link::after {
    left: 0.85rem;
    right: 0.85rem;
  }
}

@media (max-width: 767px) {
  .masthead-meta {
    padding: 0.4rem 1rem;
  }
  .meta-phone {
    display: none;
  }
  .masthead-core {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0;
    padding: 1.2rem 1rem 1.05rem;
  }
  .masthead-side {
    display: none;
  }
  .masthead-bar {
    justify-content: flex-end;
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--dj-line);
  }
  .masthead-bar::before,
  .masthead-bar::after {
    display: none;
  }
  .site-nav {
    flex: none;
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, #0B1F3A 0%, #0F1420 100%);
    border-bottom: 1px solid var(--dj-line);
    box-shadow: 0 22px 34px rgba(0, 0, 0, 0.42);
  }
  .site-nav[data-open="true"] {
    display: block;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 0.35rem 0 0.7rem;
  }
  .nav-item {
    border-left: 0;
    border-bottom: 1px solid rgba(30, 41, 59, 0.6);
  }
  .nav-item:last-child {
    border-bottom: 0;
  }
  .nav-link {
    display: block;
    width: 100%;
    padding: 0.85rem 1.1rem;
    font-size: 1rem;
  }
  .nav-link::after {
    left: 1.1rem;
    right: auto;
    top: 0.85rem;
    bottom: auto;
    width: 3px;
    height: calc(100% - 1.7rem);
    transform: scaleY(0);
    transform-origin: top;
  }
  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after {
    transform: scaleY(1);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .container,
  .container-wide,
  .container-narrow {
    width: min(100% - 2.4rem, var(--max));
  }
}

/* ---------- 15. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}