/* ============================================
   KICK-SIGNAL 主样式表
   复古电视信号风 — 显像管质感设计系统
   CSS前缀: ks-
   ============================================ */

/* --- 字体定义 --- */
@font-face {
  font-family: 'VT323';
  src: url('../fonts/VT323-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --- CSS变量 --- */
:root {
  --ks-bg-dark: #2C2C2C;
  --ks-bg-medium: #363636;
  --ks-bg-light: #404040;
  --ks-accent-orange: #FF7A00;
  --ks-signal-green: #00FF41;
  --ks-text-white: #EAEAEA;
  --ks-text-muted: #999;
  --ks-text-dim: #777;
  --ks-border-color: #444;
  --ks-card-radius: 4px;
  --ks-btn-radius: 2px;
  --ks-card-shadow: 0 0 10px rgba(255, 122, 0, 0.2);
  --ks-card-shadow-hover: 0 0 20px rgba(255, 122, 0, 0.35);
  --ks-glow-orange: 0 0 8px rgba(255, 122, 0, 0.5);
  --ks-glow-green: 0 0 8px rgba(0, 255, 65, 0.5);
  --ks-font-pixel: 'VT323', monospace;
  --ks-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ks-spacing-unit: 4px;
  --ks-module-gap: 40px;
  --ks-card-padding: 16px;
}

/* --- 全局重置 --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--ks-font-body);
  background-color: var(--ks-bg-dark);
  color: var(--ks-text-white);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
a {
  color: var(--ks-accent-orange);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #ff9933;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ks-font-pixel);
  color: var(--ks-accent-orange);
  line-height: 1.3;
}

/* --- 扫描线叠加效果 --- */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* --- 容器 --- */
.ks-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ============================================
   导航栏
   ============================================ */
.ks-navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 56px;
  background-color: var(--ks-bg-dark);
  border-bottom: 1px solid var(--ks-border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.ks-logo {
  font-family: var(--ks-font-pixel);
  font-size: 28px;
  color: var(--ks-accent-orange);
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(255, 122, 0, 0.6);
  animation: ks-logo-flicker 3s infinite;
}
@keyframes ks-logo-flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.8; }
  94% { opacity: 1; }
  96% { opacity: 0.9; }
  97% { opacity: 1; }
}
.ks-nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}
.ks-nav-links a {
  font-family: var(--ks-font-pixel);
  font-size: 18px;
  color: var(--ks-text-white);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}
.ks-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ks-accent-orange);
  transition: width 0.3s ease;
  box-shadow: 0 0 6px rgba(255, 122, 0, 0.5);
}
.ks-nav-links a:hover,
.ks-nav-links a.ks-active {
  color: var(--ks-accent-orange);
  text-shadow: var(--ks-glow-orange);
}
.ks-nav-links a:hover::after,
.ks-nav-links a.ks-active::after {
  width: 100%;
}

/* 汉堡菜单按钮 */
.ks-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border: 2px solid var(--ks-accent-orange);
  border-radius: 50%;
  background: var(--ks-bg-medium);
  position: relative;
}
.ks-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ks-accent-orange);
  margin: 2px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.ks-hamburger.ks-open span:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}
.ks-hamburger.ks-open span:nth-child(2) {
  opacity: 0;
}
.ks-hamburger.ks-open span:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
}

/* 移动端侧边菜单 */
.ks-mobile-menu {
  position: fixed;
  top: 56px;
  right: -300px;
  width: 280px;
  height: calc(100vh - 56px);
  background: var(--ks-bg-dark);
  border-left: 1px solid var(--ks-border-color);
  z-index: 999;
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 24px;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="4" height="4"><rect width="1" height="1" fill="rgba(255,255,255,0.03)"/></svg>');
}
.ks-mobile-menu.ks-open {
  right: 0;
}
.ks-mobile-menu a {
  display: block;
  font-family: var(--ks-font-pixel);
  font-size: 22px;
  color: var(--ks-text-white);
  padding: 16px 0;
  border-bottom: 1px solid var(--ks-border-color);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.ks-mobile-menu a:hover,
.ks-mobile-menu a.ks-active {
  color: var(--ks-accent-orange);
  padding-left: 8px;
}
.ks-mobile-overlay {
  position: fixed;
  top: 56px;
  left: 0;
  width: 100%;
  height: calc(100vh - 56px);
  background: rgba(0, 0, 0, 0.6);
  z-index: 998;
  display: none;
}
.ks-mobile-overlay.ks-open {
  display: block;
}

/* ============================================
   主内容区域
   ============================================ */
.ks-main {
  padding-top: 56px;
}

/* --- 模块通用样式 --- */
.ks-section {
  padding: 48px 0;
  position: relative;
}
.ks-section-title {
  font-family: var(--ks-font-pixel);
  font-size: 32px;
  color: var(--ks-accent-orange);
  text-align: center;
  margin-bottom: 32px;
  text-shadow: var(--ks-glow-orange);
  position: relative;
}
.ks-section-title::before,
.ks-section-title::after {
  content: '///';
  font-size: 20px;
  color: var(--ks-text-dim);
  margin: 0 12px;
}
.ks-section-desc {
  text-align: center;
  color: var(--ks-text-muted);
  max-width: 700px;
  margin: -16px auto 32px;
  font-size: 15px;
  line-height: 1.7;
}

/* --- 卡片通用样式 --- */
.ks-card {
  background: var(--ks-bg-medium);
  border: 1px solid var(--ks-border-color);
  border-radius: var(--ks-card-radius);
  padding: var(--ks-card-padding);
  box-shadow: var(--ks-card-shadow);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}
.ks-card:hover {
  box-shadow: var(--ks-card-shadow-hover);
  transform: translateY(-2px);
}

/* --- 按钮 --- */
.ks-btn {
  display: inline-block;
  font-family: var(--ks-font-pixel);
  font-size: 18px;
  padding: 10px 24px;
  border: 2px solid var(--ks-accent-orange);
  border-radius: var(--ks-btn-radius);
  color: var(--ks-accent-orange);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}
.ks-btn:hover {
  background: var(--ks-accent-orange);
  color: var(--ks-bg-dark);
  box-shadow: var(--ks-glow-orange);
}
.ks-btn-primary {
  background: var(--ks-accent-orange);
  color: var(--ks-bg-dark);
}
.ks-btn-primary:hover {
  background: #ff9933;
  border-color: #ff9933;
}

/* ============================================
   模块1: 黄金时段剧场
   ============================================ */
.ks-primetime {
  background: linear-gradient(180deg, var(--ks-bg-dark) 0%, var(--ks-bg-medium) 100%);
}
.ks-primetime-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ks-primetime-card {
  background: var(--ks-bg-medium);
  border: 1px solid var(--ks-border-color);
  border-radius: var(--ks-card-radius);
  overflow: hidden;
  box-shadow: var(--ks-card-shadow);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}
.ks-primetime-card:hover {
  box-shadow: var(--ks-card-shadow-hover);
  transform: translateY(-3px);
}
.ks-primetime-header {
  background: var(--ks-bg-light);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--ks-border-color);
}
.ks-channel-tag {
  font-family: var(--ks-font-pixel);
  font-size: 20px;
  color: var(--ks-signal-green);
  text-shadow: var(--ks-glow-green);
}
.ks-match-time {
  font-family: var(--ks-font-pixel);
  font-size: 18px;
  color: var(--ks-accent-orange);
}
.ks-primetime-body {
  padding: 20px 16px;
  text-align: center;
}
.ks-match-teams {
  font-family: var(--ks-font-pixel);
  font-size: 22px;
  color: var(--ks-text-white);
  margin-bottom: 8px;
}
.ks-match-league {
  font-size: 14px;
  color: var(--ks-text-muted);
  margin-bottom: 12px;
}
.ks-match-desc {
  font-size: 13px;
  color: var(--ks-text-dim);
  line-height: 1.5;
}

/* ============================================
   模块2: 多频道直播墙
   ============================================ */
.ks-livewall {
  background: var(--ks-bg-dark);
}
.ks-livewall-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ks-tv-window {
  background: #1a1a1a;
  border: 3px solid #555;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.ks-tv-window:hover {
  transform: scale(1.03);
  border-color: var(--ks-accent-orange);
}
.ks-tv-screen {
  aspect-ratio: 16/10;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.ks-tv-screen::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 1px,
    rgba(0, 0, 0, 0.15) 1px,
    rgba(0, 0, 0, 0.15) 2px
  );
  pointer-events: none;
}
.ks-tv-score {
  font-family: var(--ks-font-pixel);
  font-size: 28px;
  color: var(--ks-signal-green);
  text-shadow: var(--ks-glow-green);
  z-index: 1;
}
.ks-tv-label {
  padding: 8px 12px;
  background: var(--ks-bg-medium);
  font-size: 13px;
  color: var(--ks-text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ks-live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #ff3333;
  border-radius: 50%;
  margin-right: 6px;
  animation: ks-blink 1s infinite;
}
@keyframes ks-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.ks-tv-hover-tip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--ks-font-pixel);
  font-size: 16px;
  color: var(--ks-accent-orange);
  background: rgba(0, 0, 0, 0.7);
  padding: 8px 16px;
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 2;
}
.ks-tv-window:hover .ks-tv-hover-tip {
  opacity: 1;
}

/* ============================================
   模块3: 信号探测器
   ============================================ */
.ks-detector {
  background: linear-gradient(180deg, var(--ks-bg-medium) 0%, var(--ks-bg-dark) 100%);
  text-align: center;
}
.ks-radar-container {
  width: 320px;
  height: 320px;
  margin: 0 auto 32px;
  position: relative;
  border-radius: 50%;
  background: radial-gradient(circle, #0a1a0a 0%, #001100 100%);
  border: 3px solid #333;
  box-shadow: inset 0 0 30px rgba(0, 255, 65, 0.1), 0 0 20px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
.ks-radar-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.ks-radar-circle {
  position: absolute;
  border: 1px solid rgba(0, 255, 65, 0.15);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.ks-radar-circle:nth-child(1) { width: 25%; height: 25%; }
.ks-radar-circle:nth-child(2) { width: 50%; height: 50%; }
.ks-radar-circle:nth-child(3) { width: 75%; height: 75%; }
.ks-radar-circle:nth-child(4) { width: 100%; height: 100%; }
.ks-radar-line-h,
.ks-radar-line-v {
  position: absolute;
  background: rgba(0, 255, 65, 0.1);
}
.ks-radar-line-h {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
}
.ks-radar-line-v {
  width: 1px;
  height: 100%;
  top: 0;
  left: 50%;
}
.ks-radar-sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(0, 255, 65, 0.8), transparent);
  animation: ks-sweep 3s linear infinite;
}
@keyframes ks-sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.ks-radar-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--ks-signal-green);
  border-radius: 50%;
  box-shadow: var(--ks-glow-green);
  animation: ks-dot-pulse 2s infinite;
}
@keyframes ks-dot-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}
.ks-search-box {
  display: flex;
  max-width: 500px;
  margin: 0 auto 24px;
  gap: 8px;
}
.ks-search-input {
  flex: 1;
  font-family: var(--ks-font-pixel);
  font-size: 16px;
  padding: 12px 16px;
  background: var(--ks-bg-light);
  border: 2px solid var(--ks-border-color);
  border-radius: var(--ks-btn-radius);
  color: var(--ks-text-white);
  outline: none;
  transition: border-color 0.2s ease;
}
.ks-search-input:focus {
  border-color: var(--ks-accent-orange);
}
.ks-search-input::placeholder {
  color: var(--ks-text-dim);
}

/* ============================================
   模块4: 足球录像厅
   ============================================ */
.ks-archive {
  background: var(--ks-bg-dark);
  overflow: hidden;
}
.ks-vhs-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 16px 0 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--ks-accent-orange) var(--ks-bg-medium);
}
.ks-vhs-scroll::-webkit-scrollbar {
  height: 6px;
}
.ks-vhs-scroll::-webkit-scrollbar-track {
  background: var(--ks-bg-medium);
}
.ks-vhs-scroll::-webkit-scrollbar-thumb {
  background: var(--ks-accent-orange);
  border-radius: 3px;
}
.ks-vhs-tape {
  min-width: 260px;
  background: #1a1a1a;
  border: 2px solid #555;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  flex-shrink: 0;
}
.ks-vhs-tape:hover {
  transform: translateY(-4px);
  border-color: var(--ks-accent-orange);
}
.ks-vhs-top {
  height: 40px;
  background: #222;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}
.ks-vhs-reel {
  width: 28px;
  height: 28px;
  border: 3px solid #666;
  border-radius: 50%;
  position: relative;
}
.ks-vhs-reel::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: #444;
  border-radius: 50%;
}
.ks-vhs-label {
  background: var(--ks-accent-orange);
  padding: 12px 16px;
  min-height: 80px;
}
.ks-vhs-title {
  font-family: var(--ks-font-pixel);
  font-size: 16px;
  color: var(--ks-bg-dark);
  margin-bottom: 4px;
}
.ks-vhs-info {
  font-size: 12px;
  color: rgba(44, 44, 44, 0.7);
}
.ks-vhs-bottom {
  padding: 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ks-vhs-play {
  font-family: var(--ks-font-pixel);
  font-size: 14px;
  color: var(--ks-signal-green);
}

/* ============================================
   模块5: 解说员名人堂
   ============================================ */
.ks-commentators {
  background: linear-gradient(180deg, var(--ks-bg-dark) 0%, var(--ks-bg-medium) 100%);
}
.ks-commentator-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}
.ks-commentator-card {
  text-align: center;
  padding: 24px;
}
.ks-commentator-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 3px solid var(--ks-accent-orange);
  background: var(--ks-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ks-font-pixel);
  font-size: 48px;
  color: var(--ks-accent-orange);
  box-shadow: var(--ks-card-shadow);
}
.ks-commentator-name {
  font-family: var(--ks-font-pixel);
  font-size: 20px;
  color: var(--ks-text-white);
  margin-bottom: 8px;
}
.ks-commentator-quote {
  font-size: 13px;
  color: var(--ks-text-muted);
  font-style: italic;
  margin-bottom: 12px;
}
.ks-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ks-font-pixel);
  font-size: 16px;
  color: var(--ks-signal-green);
  cursor: pointer;
  transition: text-shadow 0.2s ease;
}
.ks-play-btn:hover {
  text-shadow: var(--ks-glow-green);
}

/* ============================================
   模块6: 电视天线市场
   ============================================ */
.ks-market {
  background: var(--ks-bg-medium);
}
.ks-market-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ks-market-item {
  background: var(--ks-bg-dark);
  border: 1px solid var(--ks-border-color);
  border-radius: var(--ks-card-radius);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.2s ease;
}
.ks-market-item:hover {
  border-color: var(--ks-accent-orange);
}
.ks-market-title {
  font-family: var(--ks-font-pixel);
  font-size: 18px;
  color: var(--ks-text-white);
  margin-bottom: 4px;
}
.ks-market-meta {
  font-size: 13px;
  color: var(--ks-text-dim);
}
.ks-market-rating {
  font-family: var(--ks-font-pixel);
  font-size: 20px;
  color: var(--ks-accent-orange);
}

/* ============================================
   模块7: 足球老黄历
   ============================================ */
.ks-history {
  background: var(--ks-bg-dark);
}
.ks-calendar {
  max-width: 600px;
  margin: 0 auto;
  background: var(--ks-bg-medium);
  border: 2px solid var(--ks-border-color);
  border-radius: var(--ks-card-radius);
  overflow: hidden;
  box-shadow: var(--ks-card-shadow);
}
.ks-calendar-header {
  background: var(--ks-accent-orange);
  padding: 20px;
  text-align: center;
}
.ks-calendar-date {
  font-family: var(--ks-font-pixel);
  font-size: 48px;
  color: var(--ks-bg-dark);
}
.ks-calendar-month {
  font-family: var(--ks-font-pixel);
  font-size: 20px;
  color: rgba(44, 44, 44, 0.7);
}
.ks-calendar-body {
  padding: 24px;
}
.ks-history-event {
  padding: 16px 0;
  border-bottom: 1px dashed var(--ks-border-color);
}
.ks-history-event:last-child {
  border-bottom: none;
}
.ks-history-year {
  font-family: var(--ks-font-pixel);
  font-size: 20px;
  color: var(--ks-accent-orange);
  margin-bottom: 4px;
}
.ks-history-text {
  font-size: 14px;
  color: var(--ks-text-white);
  line-height: 1.6;
}

/* ============================================
   模块8: 观众来信
   ============================================ */
.ks-letters {
  background: linear-gradient(180deg, var(--ks-bg-medium) 0%, var(--ks-bg-dark) 100%);
}
.ks-letter-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.ks-letter-card {
  background: #3a3520;
  border: 1px solid #5a5030;
  border-radius: var(--ks-card-radius);
  padding: 24px;
  position: relative;
}
.ks-letter-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 24px,
    rgba(255, 255, 255, 0.03) 24px,
    rgba(255, 255, 255, 0.03) 25px
  );
  pointer-events: none;
}
.ks-letter-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 13px;
}
.ks-letter-id {
  font-family: var(--ks-font-pixel);
  color: var(--ks-accent-orange);
}
.ks-letter-date {
  color: var(--ks-text-dim);
}
.ks-letter-content {
  font-size: 14px;
  color: var(--ks-text-white);
  line-height: 1.7;
  font-style: italic;
}

/* ============================================
   模块9: 频道广告位
   ============================================ */
.ks-ads {
  background: var(--ks-bg-dark);
}
.ks-ads-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.ks-ad-poster {
  border-radius: var(--ks-card-radius);
  overflow: hidden;
  border: 2px solid var(--ks-border-color);
  transition: border-color 0.2s ease;
}
.ks-ad-poster:hover {
  border-color: var(--ks-accent-orange);
}
.ks-ad-poster img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   模块10: 电视机维修站 (页脚)
   ============================================ */
.ks-footer {
  background: #1a1a1a;
  border-top: 2px solid var(--ks-border-color);
  padding: 48px 0 24px;
}
.ks-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 32px;
}
.ks-footer-title {
  font-family: var(--ks-font-pixel);
  font-size: 20px;
  color: var(--ks-accent-orange);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ks-border-color);
}
.ks-footer-links a {
  display: block;
  font-size: 14px;
  color: var(--ks-text-muted);
  padding: 6px 0;
  transition: color 0.2s ease;
}
.ks-footer-links a:hover {
  color: var(--ks-accent-orange);
}
.ks-honors {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  padding: 24px 0;
  border-top: 1px solid var(--ks-border-color);
  border-bottom: 1px solid var(--ks-border-color);
  margin-bottom: 16px;
}
.ks-honor-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ks-text-muted);
}
.ks-honor-icon {
  font-family: var(--ks-font-pixel);
  font-size: 16px;
  color: var(--ks-accent-orange);
}
.ks-copyright {
  text-align: center;
  font-size: 13px;
  color: var(--ks-text-dim);
  padding-top: 16px;
}
.ks-license {
  font-family: var(--ks-font-pixel);
  color: var(--ks-accent-orange);
  font-size: 14px;
}

/* ============================================
   内页通用样式
   ============================================ */
.ks-page-hero {
  padding: 48px 0 32px;
  text-align: center;
  background: linear-gradient(180deg, var(--ks-bg-medium) 0%, var(--ks-bg-dark) 100%);
  position: relative;
  overflow: hidden;
}
.ks-page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(255, 122, 0, 0.05) 0%, transparent 70%);
}
.ks-page-hero h1 {
  font-size: 36px;
  margin-bottom: 12px;
  position: relative;
}
.ks-page-hero p {
  color: var(--ks-text-muted);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}
.ks-content-area {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 16px;
}
.ks-content-area p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--ks-text-white);
}
.ks-content-area h2 {
  font-size: 26px;
  margin: 32px 0 16px;
}
.ks-content-area h3 {
  font-size: 22px;
  margin: 24px 0 12px;
}
.ks-article-img {
  margin: 24px 0;
  border-radius: var(--ks-card-radius);
  overflow: hidden;
  border: 2px solid var(--ks-border-color);
}
.ks-article-img img {
  width: 100%;
  display: block;
}
.ks-article-img figcaption {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--ks-text-dim);
  background: var(--ks-bg-medium);
  text-align: center;
}

/* --- 信号源卡片列表 --- */
.ks-signal-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.ks-signal-card {
  background: var(--ks-bg-medium);
  border: 1px solid var(--ks-border-color);
  border-radius: var(--ks-card-radius);
  padding: 16px;
  box-shadow: var(--ks-card-shadow);
}
.ks-signal-name {
  font-family: var(--ks-font-pixel);
  font-size: 18px;
  color: var(--ks-text-white);
  margin-bottom: 8px;
}
.ks-signal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--ks-text-muted);
}
.ks-signal-bars {
  display: inline-flex;
  gap: 2px;
  align-items: flex-end;
  height: 16px;
}
.ks-signal-bar {
  width: 4px;
  background: var(--ks-signal-green);
  border-radius: 1px;
}
.ks-signal-bar.ks-inactive {
  background: var(--ks-border-color);
}

/* ============================================
   信号探测器页面
   ============================================ */
.ks-detector-page .ks-radar-container {
  width: 400px;
  height: 400px;
}
.ks-detector-results {
  max-width: 800px;
  margin: 32px auto 0;
}

/* ============================================
   APP下载页
   ============================================ */
.ks-app-page {
  text-align: center;
}
.ks-app-poster {
  max-width: 400px;
  margin: 0 auto 32px;
}
.ks-app-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 40px;
}
.ks-app-feature {
  padding: 20px;
  background: var(--ks-bg-medium);
  border: 1px solid var(--ks-border-color);
  border-radius: var(--ks-card-radius);
  box-shadow: var(--ks-card-shadow);
}
.ks-app-feature-icon {
  font-family: var(--ks-font-pixel);
  font-size: 36px;
  color: var(--ks-accent-orange);
  margin-bottom: 12px;
}
.ks-app-feature h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.ks-app-feature p {
  font-size: 14px;
  color: var(--ks-text-muted);
}
.ks-download-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.ks-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ks-font-pixel);
  font-size: 20px;
  padding: 14px 32px;
  border: 2px solid var(--ks-accent-orange);
  border-radius: var(--ks-btn-radius);
  color: var(--ks-bg-dark);
  background: var(--ks-accent-orange);
  cursor: pointer;
  transition: all 0.2s ease;
}
.ks-download-btn:hover {
  background: #ff9933;
  border-color: #ff9933;
  box-shadow: var(--ks-glow-orange);
}

/* ============================================
   响应式设计
   ============================================ */

/* 1440px 桌面显示器 */
@media (min-width: 1440px) {
  .ks-container {
    max-width: 1320px;
  }
}

/* 1024px 笔记本 */
@media (max-width: 1024px) {
  .ks-primetime-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ks-primetime-grid .ks-primetime-card:last-child {
    grid-column: span 2;
    max-width: 50%;
    margin: 0 auto;
  }
  .ks-footer-grid {
    gap: 24px;
  }
}

/* 768px 平板 */
@media (max-width: 768px) {
  .ks-nav-links {
    display: none;
  }
  .ks-hamburger {
    display: flex;
  }
  .ks-primetime-grid {
    grid-template-columns: 1fr;
  }
  .ks-primetime-grid .ks-primetime-card:last-child {
    grid-column: auto;
    max-width: 100%;
  }
  .ks-livewall-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ks-commentator-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .ks-letter-grid {
    grid-template-columns: 1fr;
  }
  .ks-ads-grid {
    grid-template-columns: 1fr;
  }
  .ks-footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .ks-section-title {
    font-size: 26px;
  }
  .ks-radar-container {
    width: 260px;
    height: 260px;
  }
  .ks-detector-page .ks-radar-container {
    width: 300px;
    height: 300px;
  }
  .ks-app-features {
    grid-template-columns: 1fr;
  }
  .ks-honors {
    gap: 10px;
  }
}

/* 360px 小屏手机 */
@media (max-width: 480px) {
  .ks-logo {
    font-size: 22px;
  }
  .ks-section {
    padding: 32px 0;
  }
  .ks-section-title {
    font-size: 22px;
  }
  .ks-section-title::before,
  .ks-section-title::after {
    display: none;
  }
  .ks-livewall-grid {
    grid-template-columns: 1fr;
  }
  .ks-commentator-grid {
    grid-template-columns: 1fr;
  }
  .ks-commentator-avatar {
    width: 80px;
    height: 80px;
    font-size: 36px;
  }
  .ks-radar-container {
    width: 220px;
    height: 220px;
  }
  .ks-search-box {
    flex-direction: column;
  }
  .ks-calendar-date {
    font-size: 36px;
  }
  .ks-page-hero h1 {
    font-size: 28px;
  }
  .ks-signal-list {
    grid-template-columns: 1fr;
  }
  .ks-download-btns {
    flex-direction: column;
    align-items: center;
  }
}