/* ============================================================
   韩视界 / 共享样式
   版式系统：极简文字建筑 × 赛博霓虹
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  --clr-bg: #0d0f1a;
  --clr-bg-secondary: #1a1c2e;
  --clr-blue: #05d9e8;
  --clr-magenta: #ff2a6d;
  --clr-green: #01ff8a;
  --clr-gold: #d4af37;
  --clr-white: #ffffff;
  --clr-gray: #a0a0b0;
  --clr-border: rgba(5, 217, 232, 0.15);
  --clr-border-strong: rgba(5, 217, 232, 0.35);

  --font-headline: 'Arial Black', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'JetBrains Mono', 'Courier New', 'SimSun', monospace;
  --font-accent: 'Orbitron', 'Arial Narrow', 'Noto Sans SC', sans-serif;

  --container-width: 1280px;
  --radius-panel: 2px;
  --transition-fast: 0.18s ease;
  --transition-med: 0.28s ease;

  --shadow-neon-magenta: 0 0 24px rgba(255, 42, 109, 0.35);
  --shadow-neon-blue: 0 0 24px rgba(5, 217, 232, 0.25);
  --shadow-neon-gold: 0 0 30px rgba(212, 175, 55, 0.2);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--clr-white);
  background-color: var(--clr-bg);
  background-image:
    linear-gradient(rgba(5, 217, 232, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 217, 232, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--clr-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--clr-magenta);
}

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

main {
  display: block;
  min-height: 60vh;
}

#main-content {
  scroll-margin-top: 8rem;
}

/* ---------- 3. 可达性 ---------- */
:focus-visible {
  outline: 2px solid var(--clr-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  background: var(--clr-magenta);
  color: #ffffff;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 2px;
  box-shadow: var(--shadow-neon-magenta);
  transition: top var(--transition-med);
}

.skip-link:focus {
  top: 1rem;
  color: #ffffff;
}

/* ---------- 4. 版式工具类 ---------- */
.site-container {
  width: min(var(--container-width), 100% - 3rem);
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--font-accent);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--clr-gray);
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--clr-magenta);
  box-shadow: var(--shadow-neon-magenta);
}

.section-title {
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--clr-white);
  text-shadow: 0 0 10px rgba(255, 42, 109, 0.5);
  margin-bottom: 0.75rem;
}

.section-title--gold {
  color: var(--clr-gold);
  text-shadow: 0 0 14px rgba(212, 175, 55, 0.35);
}

.section-subtitle {
  color: var(--clr-gray);
  font-size: 0.9375rem;
  max-width: 44rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* ---------- 5. 栅格系统 ---------- */
.site-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.site-grid-col {
  grid-column: span 12;
}

@media (min-width: 768px) {
  .site-grid-col--md-3 { grid-column: span 3; }
  .site-grid-col--md-4 { grid-column: span 4; }
  .site-grid-col--md-6 { grid-column: span 6; }
  .site-grid-col--md-8 { grid-column: span 8; }
}

@media (min-width: 1024px) {
  .site-grid-col--lg-3 { grid-column: span 3; }
  .site-grid-col--lg-4 { grid-column: span 4; }
  .site-grid-col--lg-5 { grid-column: span 5; }
  .site-grid-col--lg-6 { grid-column: span 6; }
  .site-grid-col--lg-7 { grid-column: span 7; }
  .site-grid-col--lg-8 { grid-column: span 8; }
  .site-grid-col--lg-9 { grid-column: span 9; }
}

/* ---------- 6. 通用组件 ---------- */
.site-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  text-transform: uppercase;
}

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

.site-btn--primary {
  background: var(--clr-magenta);
  color: #ffffff;
  box-shadow: var(--shadow-neon-magenta);
}

.site-btn--primary:hover {
  background: #ff4d84;
  color: #ffffff;
  box-shadow: 0 0 34px rgba(255, 42, 109, 0.5);
}

.site-btn--ghost {
  border-color: var(--clr-blue);
  color: var(--clr-blue);
  background: transparent;
}

.site-btn--ghost:hover {
  background: rgba(5, 217, 232, 0.1);
  color: var(--clr-white);
  box-shadow: var(--shadow-neon-blue);
}

.site-btn--gold {
  background: var(--clr-gold);
  color: #141414;
  box-shadow: var(--shadow-neon-gold);
}

.site-btn--gold:hover {
  background: #e6c95a;
  color: #141414;
}

.site-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  padding: 1rem 0;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--clr-gray);
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: 1.5rem;
}

.breadcrumb-link {
  color: var(--clr-blue);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--clr-magenta);
}

.breadcrumb-sep {
  color: var(--clr-gray);
  opacity: 0.6;
  margin-inline: 0.125rem;
}

.breadcrumb-current {
  color: var(--clr-white);
  font-weight: 700;
}

.panel {
  position: relative;
  background: var(--clr-bg-secondary);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-panel);
  padding: 1.5rem;
  overflow: hidden;
}

.panel::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-top: 2px solid var(--clr-magenta);
  border-right: 2px solid var(--clr-magenta);
  opacity: 0.7;
}

.panel--blue::after {
  border-color: var(--clr-blue);
}

/* 图片容器 */
.media-frame {
  position: relative;
  background: var(--clr-bg-secondary);
  border: 1px solid var(--clr-border);
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.media-frame::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2rem;
  height: 2rem;
  border-top: 2px solid var(--clr-magenta);
  border-left: 2px solid var(--clr-magenta);
  z-index: 2;
}

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

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

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

.media-frame--live::after {
  content: 'LIVE';
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  background: var(--clr-magenta);
  color: #ffffff;
  font-family: var(--font-accent);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  box-shadow: var(--shadow-neon-magenta);
  z-index: 3;
}

.media-frame--new::after {
  content: 'NEW';
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  background: var(--clr-green);
  color: #0d0f1a;
  font-family: var(--font-accent);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(1, 255, 138, 0.3);
  z-index: 3;
}

.text-glow-magenta {
  text-shadow: 0 0 12px rgba(255, 42, 109, 0.6), 0 0 40px rgba(255, 42, 109, 0.3);
}

.text-glow-blue {
  text-shadow: 0 0 12px rgba(5, 217, 232, 0.6), 0 0 40px rgba(5, 217, 232, 0.3);
}

.text-glow-gold {
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.5), 0 0 40px rgba(212, 175, 55, 0.25);
}

/* ---------- 7. 滚动进度条 ---------- */
.site-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--clr-magenta), var(--clr-gold));
  box-shadow: 0 0 12px rgba(255, 42, 109, 0.5);
  z-index: 1100;
  pointer-events: none;
  transition: width 0.08s linear;
}

@media (prefers-reduced-motion: reduce) {
  .site-progress {
    transition: none;
  }
}

/* ---------- 8. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 15, 26, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border);
  transition: background-color var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.site-header[data-scrolled="true"] {
  background: rgba(13, 15, 26, 0.97);
  border-bottom-color: var(--clr-border-strong);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(5, 217, 232, 0.05);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1.5rem;
  max-width: var(--container-width);
  margin-inline: auto;
}

.brand-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.brand-logo:hover {
  opacity: 0.88;
}

.brand-logo-text {
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--clr-gold);
  text-shadow:
    0 0 20px rgba(212, 175, 55, 0.45),
    0 0 60px rgba(212, 175, 55, 0.15);
}

.brand-logo-caption {
  font-family: var(--font-accent);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--clr-gray);
  line-height: 1.4;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.header-action-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-gray);
  padding: 0.375rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.header-action-link:hover {
  color: var(--clr-white);
  border-color: var(--clr-border-strong);
  background: rgba(5, 217, 232, 0.06);
}

.header-action-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-green);
  box-shadow: 0 0 8px rgba(1, 255, 138, 0.7);
}

.header-action-link--legacy {
  border-color: rgba(212, 175, 55, 0.5);
  color: var(--clr-gold);
}

.header-action-link--legacy:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--clr-gold);
  color: var(--clr-gold);
  box-shadow: var(--shadow-neon-gold);
}

.header-search-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-gray);
  padding: 0.375rem 0.5rem;
  border-radius: 2px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-search-link:hover {
  color: var(--clr-blue);
  background: rgba(5, 217, 232, 0.06);
}

.header-search-icon {
  position: relative;
  display: inline-block;
  width: 0.6875rem;
  height: 0.6875rem;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.header-search-icon::after {
  content: '';
  position: absolute;
  bottom: -0.3125rem;
  right: -0.25rem;
  width: 0.375rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transform: rotate(45deg);
}

.header-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin-inline: auto;
  padding: 0 1.5rem;
  min-height: 3.2rem;
  border-top: 1px solid rgba(160, 160, 176, 0.08);
}

.site-nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  margin-left: -0.85rem;
}

.nav-link {
  display: block;
  padding: 0.8rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-gray);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.85rem;
  right: 0.85rem;
  height: 2px;
  background: var(--clr-magenta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-link:hover {
  color: var(--clr-white);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
  box-shadow: 0 0 12px rgba(255, 42, 109, 0.5);
}

.nav-link[aria-current="page"] {
  color: var(--clr-white);
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--clr-blue);
  box-shadow: 0 0 12px rgba(5, 217, 232, 0.5);
}

.nav-toggle {
  display: none;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--clr-border);
  border-radius: 2px;
  background: rgba(13, 15, 26, 0.6);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--clr-blue);
  background: rgba(5, 217, 232, 0.08);
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: background-color var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--clr-magenta);
}

.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(-7px) rotate(-45deg);
  background: var(--clr-magenta);
}

/* ---------- 9. 页脚 ---------- */
.site-footer {
  position: relative;
  background-color: var(--clr-bg);
  background-image:
    linear-gradient(rgba(5, 217, 232, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 217, 232, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  border-top: 1px solid rgba(212, 175, 55, 0.25);
  margin-top: 4rem;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--clr-gold), var(--clr-magenta), var(--clr-blue), transparent);
  opacity: 0.6;
  pointer-events: none;
}

.footer-main {
  padding: 3.5rem 1.5rem 2.5rem;
  max-width: var(--container-width);
  margin-inline: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-logo {
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 900;
  font-size: 1.75rem;
  color: var(--clr-gold);
  text-shadow:
    0 0 18px rgba(212, 175, 55, 0.4),
    0 0 50px rgba(212, 175, 55, 0.12);
  line-height: 1.2;
  display: inline-block;
  transition: opacity var(--transition-fast);
}

.footer-logo:hover {
  opacity: 0.85;
  color: var(--clr-gold);
}

.footer-slogan {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--clr-gray);
  letter-spacing: 0.06em;
}

.footer-trust {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--clr-green);
  letter-spacing: 0.08em;
  border: 1px solid rgba(1, 255, 138, 0.25);
  border-radius: 2px;
  padding: 0.375rem 0.625rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  align-self: flex-start;
}

.footer-trust::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clr-green);
  box-shadow: 0 0 8px rgba(1, 255, 138, 0.8);
}

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

.footer-heading {
  font-family: var(--font-accent);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-heading::before {
  content: '';
  width: 1.25rem;
  height: 1px;
  background: var(--clr-magenta);
  box-shadow: var(--shadow-neon-magenta);
  flex-shrink: 0;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.footer-list a {
  color: var(--clr-gray);
  font-size: 0.875rem;
  line-height: 1.7;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-list a:hover {
  color: var(--clr-blue);
  padding-left: 0.25rem;
}

.footer-list--contact {
  gap: 0.75rem;
}

.footer-list--contact li {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  font-size: 0.8125rem;
  color: var(--clr-gray);
  line-height: 1.6;
}

.footer-list--contact a {
  font-size: 0.8125rem;
  color: var(--clr-blue);
}

.footer-list--contact a:hover {
  color: var(--clr-white);
  padding-left: 0;
}

.footer-contact-label {
  font-family: var(--font-accent);
  font-size: 0.59375rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-gray);
  opacity: 0.75;
}

.footer-bottom {
  border-top: 1px solid rgba(160, 160, 176, 0.12);
  background: rgba(13, 15, 26, 0.8);
  padding: 1rem 1.5rem;
}

.footer-bottom-inner {
  max-width: var(--container-width);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 0.375rem;
}

@media (min-width: 768px) {
  .footer-bottom-inner {
    flex-direction: row;
  }
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--clr-gray);
  letter-spacing: 0.06em;
}

.footer-icp {
  font-size: 0.75rem;
  color: var(--clr-gray);
  letter-spacing: 0.06em;
  transition: color var(--transition-fast);
}

.footer-icp:hover {
  color: var(--clr-blue);
}

/* ---------- 10. 移动端断点 ---------- */
@media (max-width: 767px) {
  .header-top {
    padding: 0.75rem 1rem;
  }

  .header-actions {
    gap: 0.5rem;
  }

  .header-action-link {
    padding: 0.3125rem 0.5rem;
    font-size: 0.6875rem;
  }

  .header-search-text {
    display: none;
  }

  .header-search-link {
    padding: 0.3125rem 0.375rem;
  }

  .brand-logo-text {
    font-size: 1.35rem;
  }

  .brand-logo-caption {
    font-size: 0.5rem;
    letter-spacing: 0.3em;
  }

  .header-bottom {
    padding: 0 1rem;
    min-height: 3rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(13, 15, 26, 0.98);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--clr-border-strong);
    padding: 0.5rem 1rem 0.875rem;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 990;
  }

  .site-nav[data-open="true"] {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
  }

  .nav-link {
    padding: 0.8125rem 0.25rem;
    border-bottom: 1px solid rgba(160, 160, 176, 0.08);
    font-size: 0.875rem;
  }

  .nav-link::after {
    left: 0.25rem;
    right: 0.25rem;
  }

  .nav-item:last-child .nav-link {
    border-bottom: none;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .header-action-link {
    font-size: 0.6875rem;
    gap: 0.3rem;
  }

  .brand-logo-caption {
    letter-spacing: 0.28em;
  }

  .nav-link {
    padding: 0.8rem 0.6rem;
    font-size: 0.75rem;
  }

  .nav-link::after {
    left: 0.6rem;
    right: 0.6rem;
  }

  .nav-list {
    margin-left: -0.6rem;
  }

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

/* ---------- 11. 打印 ---------- */
@media print {
  .site-header,
  .site-footer,
  .site-progress,
  .nav-toggle {
    display: none;
  }

  body {
    background: #ffffff;
    color: #000000;
  }
}