/* ========= 样式总配置（主题变量） ========= */
:root {
  --bg: #060711;
  --bg-elevated: #0b0d1a;
  --bg-elevated-soft: #101222;
  --border-subtle: rgba(255, 255, 255, 0.06);

  --text-main: #f5f5f7;
  --text-soft: #a9afc7;
  --text-muted: #7b8199;

  --accent: #ff4b81;          /* 主色：粉红偏霓虹，可自行改 */
  --accent-soft: rgba(255, 75, 129, 0.15);
  --accent-strong: #ff6ba0;

  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.6);

  --nav-height: 60px;
  --max-width: 1100px;
}

/* ========= 动画定义 ========= */
@keyframes titleGlow {
  0% {
    text-shadow: 0 0 10px rgba(255, 75, 129, 0.5), 0 0 20px rgba(255, 75, 129, 0.3);
    transform: scale(1);
  }
  50% {
    text-shadow: 0 0 20px rgba(255, 75, 129, 0.8), 0 0 40px rgba(255, 75, 129, 0.5), 0 0 60px rgba(112, 158, 255, 0.3);
    transform: scale(1.02);
  }
  100% {
    text-shadow: 0 0 10px rgba(255, 75, 129, 0.5), 0 0 20px rgba(255, 75, 129, 0.3);
    transform: scale(1);
  }
}

@keyframes titleShine {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5fb;
    --bg-elevated: #ffffff;
    --bg-elevated-soft: #f9f9ff;
    --border-subtle: rgba(0, 0, 0, 0.05);

    --text-main: #111322;
    --text-soft: #454b66;
    --text-muted: #7b8199;

    --accent: #ff4b4b;
    --accent-soft: rgba(255, 75, 75, 0.12);
    --accent-strong: #ff6b6b;

    --shadow-soft: 0 16px 40px rgba(15, 15, 40, 0.12);
  }
}

/* ========= 全局重置 ========= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at top, #181b35 0, var(--bg) 42%, #020308 100%);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

/* ========= 顶部导航（玻璃+高亮） ========= */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: linear-gradient(
      to bottom,
      rgba(5, 6, 16, 0.86),
      rgba(5, 6, 16, 0.94)
    );
  border-bottom: 1px solid var(--border-subtle);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 20px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-left {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-left::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: radial-gradient(circle, var(--accent-strong), var(--accent));
  box-shadow: 0 0 12px rgba(255, 75, 129, 0.8);
}

.nav-right {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

/* 将 dropdown 容器也设为 inline-flex，使其与其它链接同行对齐 */
.nav-right .dropdown {
  display: inline-flex;
  align-items: center;
  position: relative; /* 便于 dropdown-menu 绝对定位 */
}

.nav-right a {
  position: relative;
  text-decoration: none;
  color: var(--text-soft);
  transition: color 0.18s ease, opacity 0.18s ease;
  display: inline-flex;
  align-items: center;
  height: calc(var(--nav-height) - 20px); /* nav 内部可用高度（去掉上下 padding） */
  padding: 0 2px; /* 仅左右间距，垂直由 height 控制 */
  vertical-align: middle;
}

/* 统一行高和垂直内边距，确保每个链接基线一致 */
.nav-right a,
.nav-right .dropdown-toggle {
  line-height: calc(var(--nav-height) - 20px);
  padding-top: 0;
  padding-bottom: 0;
  font-size: 14px;
}

/* 使下拉按钮与导航链接对齐 */
.nav-right .dropdown-toggle {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: none;
  color: var(--text-soft);
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  height: calc(var(--nav-height) - 20px);
  padding: 0 2px;
}

.nav-right .dropdown-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 0.22s ease;
}

.nav-right .dropdown-toggle:hover {
  color: #ffffff;
}

.nav-right .dropdown-toggle:hover::after {
  width: 100%;
}

.nav-right a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 0.22s ease;
}

.nav-right a:hover {
  color: #ffffff;
}

.nav-right a:hover::after {
  width: 100%;
}

.nav-right a.active {
  color: #ffffff;
  font-weight: 600;
}

.nav-right a.active::after {
  width: 100%;
}

/* ========= 页面主体 ========= */
main {
  max-width: var(--max-width);
  margin: 28px auto 36px;
  padding: 0 20px;
}

/* 标题区 */
.page-title {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 6px;
  text-align: center;
}

.animated-title {
  animation: titleGlow 3s ease-in-out infinite;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent-strong) 25%,
    var(--accent) 50%,
    var(--accent-strong) 75%,
    var(--accent) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleGlow 3s ease-in-out infinite;
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 22px;
  text-align: center;
}

/* 小分区标题 */
.section-title {
  font-size: 18px;
  font-weight: 600;
  margin-top: 26px;
  margin-bottom: 10px;
}

/* ========= 搜索栏 ========= */
.search-bar {
  margin-bottom: 18px;
  display: flex;
  gap: 10px;
}

.search-bar input[type="text"] {
  flex: 1;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, #181a2f 0, #0b0d1a 40%, #050612 100%);
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

@media (prefers-color-scheme: light) {
  .search-bar input[type="text"] {
    background: #ffffff;
  }
}

.search-bar input[type="text"]::placeholder {
  color: var(--text-muted);
}

.search-bar input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(255, 75, 129, 0.6);
}

.search-bar button {
  padding: 10px 16px;
  border-radius: 999px;
  border: none;
  background: radial-gradient(circle at top left, var(--accent-strong), var(--accent));
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 10px 25px rgba(255, 75, 129, 0.35);
  transition: transform 0.14s ease, box-shadow 0.14s ease, opacity 0.14s ease;
}

.search-bar button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 35px rgba(255, 75, 129, 0.55);
}

.search-bar button:active {
  transform: translateY(0px) scale(0.98);
  box-shadow: 0 4px 16px rgba(255, 75, 129, 0.35);
}

/* ========= 卡片列表 ========= */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}

/* ========= 单个卡片：渐变描边 + 悬浮 ========= */
.card {
  position: relative;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, #17192b 0, #101221 40%, #080916 100%);
  border: 1px solid rgba(255, 255, 255, 0.02);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.65);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

@media (prefers-color-scheme: light) {
  .card {
    background: linear-gradient(145deg, #ffffff 0, #f5f6ff 60%, #eef1ff 100%);
    box-shadow: 0 10px 28px rgba(16, 18, 40, 0.16);
  }
}

/* 渐变光圈边框 */
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: conic-gradient(
    from 210deg,
    rgba(255, 75, 129, 0.0),
    rgba(255, 75, 129, 0.26),
    rgba(112, 158, 255, 0.2),
    rgba(255, 75, 129, 0.0)
  );
  opacity: 0;
  transition: opacity 0.22s ease;
  pointer-events: none;
}

.card:hover::before {
  opacity: 0.9;
}

.card:hover {
  transform: translateY(-3px) translateZ(0);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.8);
}

.card > div {
  position: relative;
  z-index: 1;
}

.card-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-type {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 10px;
  line-height: 1.5;
}

.card-tags {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.card a.detail-link {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 500;
}

.card a.detail-link::after {
  content: "→";
  margin-left: 4px;
  font-size: 12px;
  transition: transform 0.18s ease;
}

.card a.detail-link:hover::after {
  transform: translateX(2px);
}

/* ========= 徽章 / Badge ========= */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 11px;
  margin-right: 6px;
}

/* ========= 详情页面板 ========= */
.detail-wrapper {
  background: linear-gradient(135deg, #111326 0, #080916 50%, #05040f 100%);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
  padding: 22px 24px;
}

@media (prefers-color-scheme: light) {
  .detail-wrapper {
    background: linear-gradient(135deg, #ffffff 0, #f5f6ff 60%, #edf0ff 100%);
  }
}

.detail-name {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
}

.detail-type {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.detail-row {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--text-soft);
  line-height: 1.6;
}

.detail-label {
  font-weight: 600;
  margin-right: 4px;
  color: var(--text-main);
}

/* ========= 详情图片展示 ========= */
.detail-row img {
  border-radius: 16px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.75);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.detail-row img:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

/* ========= 列表里的提示文字 / 无结果 ========= */
.card-list p,
main > p {
  font-size: 14px;
}

/* ========= 列表页中的 ul / li 基础样式 ========= */
ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 8px;
}

/* ========= 分隔线 ========= */
hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
}

/* ========= 底部 ========= */
footer {
  max-width: var(--max-width);
  margin: 0 auto 18px;
  padding: 0 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ========= 自适应移动端 ========= */
@media (max-width: 640px) {
  .nav {
    padding-inline: 14px;
  }

  .nav-right {
    gap: 12px;
    font-size: 13px;
  }

  .page-title {
    font-size: 24px;
  }

  .card-list {
    grid-template-columns: 1fr;
  }

  .detail-wrapper {
    padding: 18px 16px;
  }
}


/* ===== 首页轮播 Hero 区域 ===== */
.hero {
  margin-bottom: 26px;
}

.hero-carousel {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.75);
  background: radial-gradient(circle at top, #202443, #050612);

  width: 100%;
  aspect-ratio: 4 / 3;     /* 横版 4:3 比例 */
  max-height: 420px;       /* 防止超高，随便给个上限 */
}


.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.5s ease, transform 0.8s ease;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: saturate(1.1);
  transition: opacity 0.3s ease;
}

/* 懒加载图片样式 */
.hero-slide img.lazy-load {
  opacity: 0;
  background-color: var(--bg-elevated-soft);
}

.hero-slide img.lazy-load::before {
  content: '加载中...';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-soft);
  font-size: 14px;
}

/* 文字说明区域 - 在轮播图下方 */
.hero-caption {
  padding: 16px 0;
  color: var(--text-main);
  text-align: center;
}

.hero-caption h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-caption p {
  font-size: 14px;
  color: var(--text-soft);
  margin: 0;
}

/* 底部小圆点导航 */
.hero-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  cursor: pointer;
  transition: width 0.18s ease, background 0.18s ease, opacity 0.18s ease;
}

.hero-dot.active {
  width: 20px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

/* 移动端适配 */
@media (max-width: 640px) {
  .hero-carousel {
    height: 190px;
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.8);
  }

  .hero-caption h2 {
    font-size: 16px;
  }

  .hero-caption p {
    font-size: 12px;
  }
}

/* 下拉菜单通用样式 */
.dropdown {
  position: relative;
  display: inline-block;
  margin-left: 0.5rem;
}

/* "选择"按钮 */
.dropdown-toggle {
  border: none;
  padding: 0;
  background-color: transparent;
  color: var(--text-soft);
  font-size: 0.9rem;
  cursor: pointer;
  line-height: 1.2;
  font-size: 14px;
  position: relative;
  text-decoration: none;
  transition: color 0.18s ease;
}

.dropdown-toggle:hover {
  color: #ffffff;
}

/* 下拉内容区域 */
.dropdown-menu {
  position: absolute;
  right: 0;
  top: 110%;
  min-width: 120px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  padding: 0.3rem 0;
  display: none;           /* 默认隐藏 */
  z-index: 1000;
}

/* 下拉里的每一项 */
.dropdown-menu a {
  display: block;
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text-soft);
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease;
}

.dropdown-menu a:hover {
  background: var(--bg-elevated-soft);
  color: #ffffff;
}

/* 点击后展开（给手机用） */
.dropdown.open .dropdown-menu {
  display: block;
}

/* 有鼠标的设备上支持 hover 展开 */
@media (pointer: fine) {
  .dropdown:hover .dropdown-menu {
    display: block;
  }
}