/* =================== Base Reset =================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN",
    "Noto Sans CJK SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #2a3a5a;
  font-size: 16px;
  line-height: 1.6;
  background: #f8eedd;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

:root {
  --color-blue: #1d2e6c;
  --color-blue-light: #2c4ca8;
  --color-orange: #d96a32;
  --color-orange-light: #f7a26a;
  --color-cream: #f4e4cb;
  --color-cream-light: #faf2e0;
  --color-border: #b89c70;
  --color-text: #2a3a5a;
  --color-text-muted: #5a6480;
  --color-card: #fbf2dd;
  --container: 1440px;
}

/* =================== Page Container =================== */
.page {
  position: relative;
  width: 100%;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at top left, rgba(0, 86, 200, 0.18), transparent 45%),
    radial-gradient(ellipse at top right, rgba(232, 102, 36, 0.22), transparent 45%),
    radial-gradient(ellipse at 30% 40%, rgba(255, 230, 200, 0.55), transparent 55%),
    linear-gradient(180deg, #fbe5cb 0%, #f9e1c4 30%, #fbe5cb 60%, #f7d4a8 100%);
}

/* =================== Section Wrapper (with bg) =================== */
.section-wrap {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.section-clouds {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

/* =================== Cloud Particles =================== */
.cloud {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0;
  pointer-events: none;
}

.cloud-blue-1 {
  width: 600px; height: 420px;
  top: -100px; left: -150px;
  background: radial-gradient(circle, #5fa6f0 0%, #3070c8 50%, transparent 70%);
}
.cloud-blue-2 {
  width: 480px; height: 320px;
  top: -60px; left: 60px;
  background: radial-gradient(circle, #79b8f4 0%, #4a8cd0 50%, transparent 70%);
  opacity: 0;
}
.cloud-orange-1 {
  width: 640px; height: 440px;
  top: -120px; right: -160px;
  background: radial-gradient(circle, #f6a360 0%, #e36a25 50%, transparent 70%);
}
.cloud-orange-2 {
  width: 420px; height: 280px;
  top: -70px; right: 80px;
  background: radial-gradient(circle, #fbc186 0%, #ee7c3a 50%, transparent 70%);
  opacity: 0;
}

/* =================== Star sparks =================== */
.spark {
  position: absolute;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
  box-shadow: 0 0 8px 2px #fff, 0 0 20px 6px rgba(255,255,255,0.5);
}
.spark-1 { top: 12%; left: 18%; width: 5px; height: 5px; }
.spark-2 { top: 22%; right: 16%; width: 7px; height: 7px; }
.spark-3 { top: 50%; left: 8%; width: 4px; height: 4px; }
.spark-4 { top: 70%; right: 12%; width: 6px; height: 6px; }
.spark-5 { top: 35%; left: 50%; width: 3px; height: 3px; }
.spark-6 { top: 60%; left: 70%; width: 4px; height: 4px; }

/* =================== Hero Section =================== */
.hero {
  position: relative;
  height: 780px;
  padding: 30px 0 60px;
  overflow: hidden;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 8% 18%, rgba(60, 130, 230, 0.7), transparent 60%),
    radial-gradient(ellipse 60% 50% at 92% 22%, rgba(232, 102, 36, 0.7), transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(255, 235, 200, 0.85), transparent 70%),
    linear-gradient(180deg, #f6d8b1 0%, #f9e6c6 60%, #fce9cc 100%);
  z-index: 0;
}

.hero-clouds {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* =================== Site Header =================== */
.site-header {
  position: relative;
  z-index: 5;
  padding: 0 60px;
}

.logo img {
  height: 50px;
  width: auto;
}

/* =================== Hero Content =================== */
.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  margin-top: 30px;
  padding: 0 60px;
}

.hero-title {
  font-size: 96px;
  font-weight: 500;
  color: var(--color-blue);
  letter-spacing: 8px;
  font-family: "STKaiti", "KaiTi", "FangSong", serif;
  text-shadow: 0 2px 6px rgba(255,255,255,0.3);
  margin-bottom: 36px;
  display: flex;
  justify-content: center;
  gap: 80px;
}

.hero-title-spacer {
  letter-spacing: 14px;
}

.hero-subtitle-card {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 60px;
  background: rgba(255, 245, 225, 0.55);
  border: 1px solid rgba(184, 156, 112, 0.45);
  border-radius: 4px;
  backdrop-filter: blur(2px);
}

.hero-subtitle-card::before,
.hero-subtitle-card::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  background: #c89456;
  transform: rotate(45deg);
}
.hero-subtitle-card::before { top: -7px; left: 50%; margin-left: -7px; }
.hero-subtitle-card::after  { bottom: -7px; left: 50%; margin-left: -7px; }

.hero-subtitle {
  font-size: 28px;
  font-weight: 600;
  color: var(--color-blue);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.org-list {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.9;
  text-align: left;
}

.org-list p {
  padding-left: 80px;
  text-indent: -80px;
  margin: 2px 0;
}

.org-tag {
  display: inline-block;
  width: 80px;
  font-weight: 500;
  text-indent: 0;
}

.hero-slogan {
  margin-top: 26px;
  font-size: 18px;
  color: var(--color-text-muted);
  letter-spacing: 4px;
}

/* =================== Section Common =================== */
.section {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 10px 0;
  z-index: 2;
}

.section-title {
  position: relative;
  text-align: center;
  font-size: 56px;
  font-weight: 500;
  color: var(--color-blue);
  margin-bottom: 40px;
  font-family: "STKaiti", "KaiTi", "FangSong", serif;
  letter-spacing: 4px;
}

.section-title.small { font-size: 44px; margin-bottom: 28px; }
.section-title.big { font-size: 64px; margin-bottom: 30px; }

.title-deco {
  display: inline-block;
  color: #c89456;
  font-size: 28px;
  margin: 0 18px;
  vertical-align: middle;
}

.subsection-title {
  text-align: center;
  font-size: 36px;
  font-weight: 500;
  color: var(--color-blue);
  margin: 50px 0 30px;
  font-family: "STKaiti", "KaiTi", "FangSong", serif;
  letter-spacing: 3px;
}

/* =================== Intro Section =================== */
.intro-wrap { padding-top: 20px; }

.intro-card {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--color-card);
  border-radius: 8px;
  padding: 50px 80px;
  font-size: 18px;
  line-height: 2;
  color: var(--color-text);
  border: 1px solid rgba(184, 156, 112, 0.3);
  box-shadow: 0 6px 20px rgba(120, 80, 30, 0.08);
}

.intro-card p { text-indent: 2em; }

/* ============== 开幕式轮播图占满整个 big-card ============== */
/* 撑破 card-top 的 grid 栏宽与 big-card 的四周内边距，铺满整张卡片 */
.hdxw {
  width: calc(100% + 100px);
  margin: -36px -50px -30px -50px;
  grid-column: 1 / -1;
}
.hdxw .newsSwiper,
.hdxw .mySwiper,
.hdxw .swiper,
.hdxw .swiper-wrapper {
  width: 100%;
}
.hdxw .swiper-slide {
  width: 100%;
}
.hdxw .slidePic {
  width: 100%;
  aspect-ratio: 900 / 394;
}
.hdxw .slidePic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}
.hdxw .slide-link {
  display: block;
  width: 100%;
}

/* =================== Big Card (Schedule + News + Highlights) =================== */
.big-card {
  max-width: 1300px;
  margin: 0 auto;
  background: var(--color-card);
  border-radius: 8px;
  padding: 36px 50px 30px;
  border: 1px solid rgba(184, 156, 112, 0.3);
  box-shadow: 0 6px 20px rgba(120, 80, 30, 0.08);
  position: relative;
}

.card-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding-bottom: 16px;
}

.schedule-image {
  height: 380px;
  border-radius: 6px;
  overflow: hidden;
}

.news-list {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 10px 0;
}

.news-list li {
  padding: 8px 0;
  border-bottom: 1px dashed rgba(120, 90, 50, 0.2);
}

.news-list li:last-child { border-bottom: none; }

.news-title {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 4px;
}

.news-title::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  background: #c93d3d;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}

.news-date {
  font-size: 13px;
  color: var(--color-text-muted);
  padding-left: 13px;
}

.card-more {
  position: absolute;
  right: 50px;
  top: 26px;
  font-size: 14px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

.more-link:hover { color: var(--color-orange); }

.big-card .subsection-title {
  font-size: 30px;
  margin: 30px 0 20px;
  position: relative;
  display: inline-block;
  width: 100%;
}

.big-card .subsection-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: rgba(120, 90, 50, 0.4);
  margin: 12px auto 0;
}

.highlights-list {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 80px;
  padding: 10px 30px 10px;
}

.highlights-list li {
  position: relative;
  padding-left: 18px;
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.7;
}

.highlights-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 5px; height: 5px;
  background: #c93d3d;
  border-radius: 50%;
}

/* =================== Schedule Timeline =================== */
.schedule-title { margin-top: 60px; }

.schedule-timeline {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}

.timeline-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 0;
  position: relative;
}

.tab {
  background: #b6c4d6;
  color: #fff;
  text-align: center;
  padding: 12px 24px;
  border-radius: 4px 4px 0 0;
  font-size: 16px;
  cursor: pointer;
  position: relative;
  transition: background 0.2s;
}

.tab-active {
  background: #7a8ba5;
}

.tab-active::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid #7a8ba5;
}

.timeline-card {
  background: #f1e4cd;
  border-radius: 6px;
  padding: 36px 60px;
  text-align: center;
  border: 1px solid #c9a87a;
}

.timeline-event {
  font-size: 22px;
  color: #6b4f30;
  font-weight: 600;
  margin-bottom: 14px;
  display: inline-block;
  padding: 4px 16px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.4);
}

.timeline-card p {
  color: #6b4f30;
  font-size: 15px;
  line-height: 1.9;
}

/* =================== Star Night =================== */
.star-wrap { padding-top: 20px; }

.event-image-wrap {
  max-width: 1300px;
  margin: 0 auto;
  background: linear-gradient(180deg, #f0d6a8 0%, #c1946a 100%);
  border-radius: 4px;
  padding: 8px;
  box-shadow: 0 10px 40px rgba(80, 50, 20, 0.2);
}

.event-image {
  width: 100%;
  height: auto;
  display: block;
}

.event-caption {
  background: #8a6a3a;
  color: #fff;
  font-size: 14px;
  line-height: 1.8;
  padding: 18px 30px;
  letter-spacing: 0.5px;
  text-align: justify;
}

/* =================== Photo Section =================== */
.photo-wrap { padding: 0 0 30px; }
.photo-wrap .section { padding-top: 10px; }

/* 繁星之夜 标题图：作为独立板块标题，居中显示并收紧与下方繁星大道的间距 */
.title1 { display: block; width: 50%; max-width: 920px; margin: 0 auto; }

.photo-grid {
  display: flex;
  gap: 24px;
}

.photo-card {
  background: #fbf2dd;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(184, 156, 112, 0.3);
}

/* 繁星大道：去除卡片背景色，使其与页面背景融为一体 */
.fxdd-section .photo-card {
  background: transparent;
  border-color: rgba(184, 156, 112, 0.25);
}

.photo-card-inner {
  text-align: center;
  color: #b89c70;
}

.photo-label {
  font-size: 16px;
  color: #b89c70;
}

/* =================== Video Section =================== */
.video-wrap { padding: 30px 0; }

.video-grid {
  display: flex;
  gap: 24px;
}

.video-card {
  background: #fbf2dd;
  border-radius: 16px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(184, 156, 112, 0.3);
  cursor: pointer;
  transition: transform 0.3s;
}

.video-card:hover { transform: translateY(-4px); }

.play-icon {
  width: 60px; height: 60px;
  background: rgba(255,255,255,0.85);
  color: var(--color-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  padding-left: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.video-duration {
  position: absolute;
  bottom: 14px; left: 18px;
  color: #2a3a5a;
  font-size: 24px;
  letter-spacing: 3px;
  font-weight: 500;
}

/* =================== Media + Expert =================== */
.media-wrap { padding: 30px 0; }

.dual-col {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.dual-col-block { padding: 0 20px; }

.text-list { margin-top: 20px; }

.text-list li {
  padding: 14px 0 14px 16px;
  border-bottom: 1px dashed rgba(120, 90, 50, 0.2);
  position: relative;
}

.text-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 22px;
  width: 5px; height: 5px;
  background: #c93d3d;
  border-radius: 50%;
}

.text-list-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.text-list-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.block-more {
  display: block;
  text-align: right;
  margin-top: 14px;
  padding-right: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

/* =================== Performance Section =================== */
.performance-wrap { padding-top: 30px; padding-bottom: 100px; }

.performance-banner {
  max-width: 1300px;
  margin: 0 auto 0;
  padding: 70px 30px;
  background: linear-gradient(180deg, #fbf2dd 0%, #f4e4cb 100%);
  border-radius: 8px 8px 0 0;
  border: 1px solid rgba(184, 156, 112, 0.3);
  border-bottom: none;
  text-align: center;
}

.banner-text p {
  font-size: 56px;
  font-weight: 700;
  color: #c93d3d;
  letter-spacing: 22px;
  line-height: 1.7;
  font-family: "STKaiti", "KaiTi", "FangSong", serif;
  text-indent: 22px;
  text-shadow: 0 2px 4px rgba(180, 50, 50, 0.15);
}

.performance-grid {
  max-width: 1300px;
  margin: -1px auto 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 40px 24px;
  padding: 0 20px;
}

.performance-card {
  background: #c2a880;
  border-radius: 0;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(80, 50, 20, 0.15);
  transition: transform 0.3s;
  cursor: pointer;
  grid-column: span 2;
}

.performance-card:nth-child(4) { grid-column: 2 / span 2; }
.performance-card:nth-child(5) { grid-column: 4 / span 2; }

.performance-card:hover { transform: translateY(-4px); }

.performance-img {
  background: #fbf2dd;
  border-radius: 0;
  border: none;
  margin: 0;
  width: 100%;
}

.performance-title {
  padding: 22px 20px;
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  text-align: center;
  letter-spacing: 1px;
  background: #c2a880;
}

/* =================== Placeholder Image =================== */
.placeholder-image {
  background: linear-gradient(135deg, #fbf2dd 0%, #f0d6a8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b89c70;
  font-size: 16px;
  border-radius: 16px;
}

.placeholder-image.placeholder-blue {
  background: linear-gradient(135deg, #2c4ca8 0%, #1d2e6c 100%);
  color: #fff;
  border-radius: 6px;
}

.performance-card .placeholder-image {
  background: #fbf2dd;
  border-radius: 0;
  border: none;
}

/* =================== Carousel =================== */
.carousel {
  position: relative;
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.carousel-viewport {
  flex: 1;
  overflow: hidden;
  padding: 0 20px;
}

.carousel-track {
  display: flex;
  gap: 24px;
  transition: transform 0.45s ease;
}

/* keep existing grid track layouts but as flex rows */
.photo-grid .photo-card {
  flex: 0 0 calc((100% - 2 * 24px) / 3);
  min-width: 0;
}

/* 嘉宾采访：单行 flex 排布，4 张占满宽度，其余靠左右按钮切换 */
.video-grid {
  display: flex;
  gap: 24px;
  width: 100%;
}

/* 每行显示 4 张：每张宽度 = (视口宽 - 3 个间距) / 4 */
.video-grid > .swiper-slide {
  flex: 0 0 calc((100% - 3 * 24px) / 4);
  min-width: 0;
  display: flex;
}

.video-grid .video-card {
  width: 100%;
}

/* 嘉宾采访：轮播占满更宽宽度，4 张竖图随之放大、增高 */
.video-wrap .carousel {
  max-width: 1720px;
}

.photo-grid .photo-card {
  aspect-ratio: 1 / 1;
}

/* 繁星大道：卡片高度与图片(3:2)匹配，消除空白 */
.photo-wrap .photo-card {
  aspect-ratio: 3 / 2;
  padding: 0;
  overflow: hidden;
}

.photo-wrap .photo-card-inner,
.photo-wrap .photo-label {
  width: 100%;
  height: 100%;
  display: block;
}

.photo-wrap .photo-label img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 16px;
}

.video-grid .video-card {
  aspect-ratio: 9 / 16;
  padding: 0;
  overflow: hidden;
}

.video-grid .video-card a {
  display: block;
  width: 100%;
  height: 100%;
}

.video-grid .video-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 16px;
}

/* 活动主视觉 carousel (single-slide, left/right) */
.schedule-image .carousel {
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
}

.schedule-image .carousel-viewport {
  padding: 0;
  height: 100%;
}

.schedule-image .carousel-track {
  gap: 0;
  height: 100%;
}

.schedule-image .carousel-track > .placeholder-image {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  border-radius: 0;
}

.schedule-image .carousel-btn {
  position: absolute;
  z-index: 2;
  top: 50%;
  transform: translateY(-50%);
}

.schedule-image .carousel-prev { left: 12px; }
.schedule-image .carousel-next { right: 12px; }

.carousel-btn {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(184, 156, 112, 0.5);
  background: rgba(255, 245, 225, 0.85);
  color: var(--color-blue);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(120, 80, 30, 0.12);
  transition: background 0.2s, color 0.2s, opacity 0.2s;
  user-select: none;
}

.carousel-btn:hover {
  background: var(--color-blue);
  color: #fff;
}

.carousel-btn:disabled {
  opacity: 0.35;
  cursor: default;
  background: rgba(255, 245, 225, 0.85);
  color: var(--color-blue);
}

/* ---- Card-level vertical carousel (展演展示 每张卡片内部) ---- */
.performance-card {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.card-carousel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
}

.card-viewport {
  width: calc(100% - 16px);
  margin: 0 8px;
  height: 300px;
  overflow: hidden;
  border-radius: 0;
}

.card-track {
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: transform 0.4s ease;
}

.card-slide {
  height: 300px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fbf2dd;
  border: none;
  border-radius: 0;
}

.slide-label {
  color: #b89c70;
  font-size: 16px;
  letter-spacing: 2px;
}

.card-nav {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: rgba(120, 80, 30, 0.35);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-90deg);
  transition: background 0.2s, opacity 0.2s;
  user-select: none;
  margin: 4px 0;
}

.card-nav:hover { background: rgba(120, 80, 30, 0.7); }

.card-nav:disabled {
  opacity: 0.3;
  cursor: default;
}

/* =================== Responsive =================== */
@media (max-width: 1500px) {
  :root { --container: 1200px; }
  .hero-title { font-size: 78px; gap: 60px; }
}