/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #d32f2f;
  --primary-dark: #b71c1c;
  --primary-light: #ef5350;
  --accent: #ffc107;
  --accent-dark: #ffb300;
  --gold: #ffd700;
  --bg: #fff8e1;
  --bg-alt: #fff3e0;
  --text: #4a1a1a;
  --text-light: #8a6060;
  --white: #fff;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(178,28,28,.08);
  --shadow-lg: 0 12px 40px rgba(178,28,28,.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ===== SPA 视图切换 ===== */
.view { display: none; }
.view.active { display: block; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(211,47,47,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  box-shadow: 0 2px 12px rgba(178,28,28,.2);
  transition: box-shadow .3s ease;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(178,28,28,.3); }

.navbar .logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar .logo .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(255,215,0,.6);
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 28px;
}
.navbar ul a {
  color: rgba(255,255,255,.85);
  font-size: .92rem;
  font-weight: 500;
  transition: color .2s;
  position: relative;
  padding-bottom: 2px;
}
.navbar ul a:hover { color: #fff; }
.navbar ul a.active { color: #fff; font-weight: 600; }
.navbar ul a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width .25s ease;
}
.navbar ul a:hover::after,
.navbar ul a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px 60px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,193,7,.15), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255,215,0,.1), transparent 50%),
    linear-gradient(135deg, #b71c1c 0%, #d32f2f 50%, #c62828 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(255,215,0,.08), transparent 60%);
}
/* 装饰性金色光斑 */
.hero::after {
  content: '';
  position: absolute;
  top: 10%; left: 50%;
  transform: translateX(-50%);
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,215,0,.12), transparent 70%);
  filter: blur(40px);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero h1 {
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-shadow: 0 2px 30px rgba(0,0,0,.25);
  animation: fadeInUp .8s ease both;
}
.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 300;
  opacity: .92;
  margin-bottom: 36px;
  animation: fadeInUp .8s ease .15s both;
}
.hero .badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: fadeInUp .8s ease .3s both;
}
.hero .badge {
  background: rgba(255,193,7,.15);
  border: 1px solid rgba(255,193,7,.35);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: .88rem;
}
.hero .btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp .8s ease .45s both;
}
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--text);
  box-shadow: 0 6px 20px rgba(255,193,7,.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.5);
}
.btn-outline:hover { background: rgba(255,255,255,.1); }

.scroll-hint {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.55);
  font-size: .8rem;
  text-align: center;
  z-index: 2;
}
.scroll-hint .arrow {
  display: block;
  width: 22px; height: 22px;
  margin: 6px auto 0;
  border-right: 2px solid rgba(255,255,255,.4);
  border-bottom: 2px solid rgba(255,255,255,.4);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}

/* ===== 子页面头部 ===== */
.page-header {
  background:
    radial-gradient(circle at 30% 20%, rgba(255,193,7,.12), transparent 50%),
    linear-gradient(135deg, #b71c1c, #d32f2f);
  color: #fff;
  text-align: center;
  padding: 120px 20px 56px;
}
.page-header h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 10px;
  text-shadow: 0 2px 20px rgba(0,0,0,.2);
}
.page-header p {
  opacity: .85;
  font-size: 1rem;
}

/* ===== Section 通用 ===== */
.section {
  padding: 72px 20px;
  max-width: 1100px;
  margin: 0 auto;
}
.section-alt { background: var(--bg-alt); }
.section-alt-inner { max-width: 1100px; margin: 0 auto; padding: 72px 20px; }

.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 10px;
}
.section-title p {
  color: var(--text-light);
  font-size: .95rem;
}
.section-title .line {
  width: 50px; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ===== 活动介绍卡片 ===== */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.intro-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(178,28,28,.06);
  transition: transform .3s ease, box-shadow .3s ease;
}
.intro-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.intro-card .icon { font-size: 2.2rem; margin-bottom: 14px; }
.intro-card h3 { font-size: 1.1rem; color: var(--primary-dark); margin-bottom: 8px; }
.intro-card p { font-size: .88rem; color: var(--text-light); line-height: 1.6; }

/* ===== 节目单 ===== */
.program-list {
  max-width: 760px;
  margin: 0 auto;
}
.program-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(178,28,28,.06);
  transition: background .2s;
}
.program-item:last-child { border-bottom: none; }
.program-item:hover { background: rgba(211,47,47,.02); }
.program-num {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--gold);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(178,28,28,.2);
}
.program-body { flex: 1; min-width: 0; }
.program-time {
  display: inline-block;
  font-size: .78rem;
  color: var(--primary);
  font-weight: 600;
  background: rgba(211,47,47,.08);
  border: 1px solid rgba(211,47,47,.15);
  border-radius: 50px;
  padding: 2px 12px;
  margin-bottom: 8px;
}
.program-body h3 {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 6px;
}
.program-body p {
  font-size: .9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== 图片展示 ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item .caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(178,28,28,.72));
  color: #fff;
  padding: 28px 14px 12px;
  font-size: .88rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s, transform .3s;
}
.gallery-item:hover .caption { opacity: 1; transform: translateY(0); }
.gallery-item.featured { grid-column: span 2; aspect-ratio: 16/7; }

/* ===== Lightbox ===== */
.lightbox {
  display: none;
  position: fixed;
  z-index: 10001;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,.88);
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90%;
  max-height: 88vh;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
  transition: opacity .15s ease;
}
.lightbox .close-lb {
  position: absolute;
  top: 16px; right: 28px;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
}
.lightbox .nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.08);
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  padding: 14px 16px;
  border-radius: 50%;
  transition: background .2s;
}
.lightbox .nav-btn:hover { background: rgba(255,255,255,.2); }
.lightbox .prev { left: 20px; }
.lightbox .next { right: 20px; }

/* ===== 时间轴 ===== */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 22px; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(var(--primary), var(--accent));
  border-radius: 2px;
}
.tl-item { position: relative; padding: 0 0 28px 58px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: '';
  position: absolute;
  left: 14px; top: 4px;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--primary);
}
.tl-item .tl-time { font-size: .82rem; color: var(--primary); font-weight: 600; margin-bottom: 4px; }
.tl-item .tl-title { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.tl-item .tl-desc { font-size: .88rem; color: var(--text-light); }

/* ===== 腾讯问卷 iframe ===== */
.survey-wrap {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #fff;
}
.survey-wrap iframe { display: block; width: 100%; border: 0; }

/* ===== 留言评论区域 ===== */
.comment-section-wrap { max-width: 800px; margin: 0 auto; }
#comment-box { min-height: 200px; }

/* ===== 音乐播放器（浮动控制） ===== */
.music-control {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(178,28,28,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 50px;
  padding: 8px 16px 8px 8px;
  box-shadow: 0 4px 20px rgba(178,28,28,.25);
  border: 1px solid rgba(255,193,7,.15);
}
.music-control .mc-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--gold);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s, background .2s;
  flex-shrink: 0;
}
.music-control .mc-btn:hover { transform: scale(1.08); }
.music-control .mc-btn.muted { background: #999; color: #fff; }
.music-control .mc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,.2);
  outline: none;
  cursor: pointer;
}
.music-control .mc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
}
.music-control .mc-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  border: none;
}
.music-control .mc-label {
  color: rgba(255,255,255,.6);
  font-size: .75rem;
  white-space: nowrap;
}

/* 音乐播放提示（首次需点击时显示） */
.music-hint {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 1001;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 50px;
  padding: 12px 24px;
  font-size: .9rem;
  font-weight: 600;
  box-shadow: 0 6px 24px rgba(178,28,28,.35);
  cursor: pointer;
  display: none;
  animation: pulse 2s infinite;
}
.music-hint.show { display: flex; align-items: center; gap: 8px; }

/* ===== Footer ===== */
.footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--text));
  color: rgba(255,255,255,.6);
  text-align: center;
  padding: 36px 20px;
}
.footer p { font-size: .85rem; }
.footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 14px;
}
.footer .footer-links a { font-size: .85rem; opacity: .7; transition: opacity .2s; }
.footer .footer-links a:hover { opacity: 1; }
.footer .footer-credit {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer .footer-credit a {
  color: rgba(255,193,7,.8);
  font-size: .85rem;
  transition: color .2s;
  margin: 0 8px;
}
.footer .footer-credit a:hover { color: var(--gold); }
.footer .footer-copyright {
  margin-top: 8px;
  font-size: .82rem;
  opacity: .55;
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50% { transform: translateY(8px) rotate(45deg); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(178,28,28,.35); }
  50% { box-shadow: 0 6px 24px rgba(178,28,28,.6); }
}
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== 评论系统配色全覆盖（喜庆红色调） ===== */
/* 覆盖所有 CSS 变量 + 逐元素覆盖，确保无任何深色残留 */
.cs-app {
  --cs-bg: #fff8e1;
  --cs-bg-2: #fff3e0;
  --cs-surface: #ffffff;
  --cs-surface-2: #fff8e1;
  --cs-surface-3: #ffe0b2;
  --cs-border: rgba(178,28,28,.08);
  --cs-border-strong: rgba(178,28,28,.14);
  --cs-text-1: #4a1a1a;
  --cs-text-2: #8a6060;
  --cs-text-3: #b08585;
  --cs-accent: #d32f2f;
  --cs-accent-strong: #b71c1c;
  --cs-accent-soft: rgba(211,47,47,.1);
  --cs-accent-border: rgba(211,47,47,.3);
  --cs-danger: #e06c6c;
  --cs-danger-light: #c62828;
  --cs-danger-soft: rgba(224,108,108,.1);
  --cs-danger-border: rgba(224,108,108,.3);
  --cs-gradient: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
  --cs-shadow: 0 4px 24px rgba(178,28,28,.08);
  --cs-glow: 0 4px 20px rgba(211,47,47,.15);
  --cs-radius: 16px;
  background: #fff !important;
  border: 1px solid rgba(178,28,28,.06) !important;
  box-shadow: 0 4px 24px rgba(178,28,28,.08) !important;
  color: #4a1a1a !important;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif !important;
}
/* 顶部装饰线 */
.cs-app::before {
  background: linear-gradient(90deg, transparent, rgba(255,193,7,.4), transparent) !important;
}
/* 标题 */
.cs-title {
  background: linear-gradient(135deg, #d32f2f, #b71c1c) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}
/* 计数标签 */
.cs-count {
  background: #fff3e0 !important;
  border: 1px solid rgba(178,28,28,.06) !important;
  color: #8a6060 !important;
}
/* 表单 */
.cs-form {
  background: #fff8e1 !important;
  border: 1px solid rgba(178,28,28,.06) !important;
}
.cs-form:focus-within {
  border-color: rgba(211,47,47,.3) !important;
  box-shadow: 0 0 0 3px rgba(211,47,47,.1) !important;
}
.cs-input, .cs-textarea {
  background: #fff !important;
  border: 1px solid rgba(178,28,28,.1) !important;
  color: #4a1a1a !important;
}
.cs-input::placeholder, .cs-textarea::placeholder { color: #b08585 !important; }
.cs-input:focus, .cs-textarea:focus {
  background: #fff !important;
  border-color: rgba(211,47,47,.3) !important;
  box-shadow: 0 0 0 3px rgba(211,47,47,.1) !important;
}
/* 提交按钮 */
.cs-btn {
  background: linear-gradient(135deg, #d32f2f, #b71c1c) !important;
  box-shadow: 0 4px 14px rgba(211,47,47,.25) !important;
  color: #fff !important;
}
.cs-btn:hover {
  box-shadow: 0 6px 20px rgba(211,47,47,.35) !important;
}
/* ghost 按钮 */
.cs-btn-ghost {
  color: #8a6060 !important;
  border: 1px solid rgba(178,28,28,.08) !important;
}
.cs-btn-ghost:hover {
  color: #d32f2f !important;
  border-color: rgba(211,47,47,.3) !important;
  background: rgba(211,47,47,.08) !important;
}
/* 匿名开关 */
.cs-switch {
  background: #ffe0b2 !important;
  border: 1px solid rgba(178,28,28,.08) !important;
}
.cs-switch::after { background: #b08585 !important; }
.cs-switch-input:checked + .cs-switch {
  background: rgba(211,47,47,.12) !important;
  border-color: rgba(211,47,47,.3) !important;
}
.cs-switch-input:checked + .cs-switch::after { background: #d32f2f !important; }
.cs-switch-label { color: #8a6060 !important; }

/* 评论列表项 */
.cs-comment {
  border-bottom: 1px solid rgba(178,28,28,.06) !important;
}
.cs-comment:hover { background: rgba(211,47,47,.03) !important; }
.cs-comment-nick { color: #4a1a1a !important; }
.cs-comment-nick a { color: #d32f2f !important; }
.cs-comment-nick a:hover { color: #b71c1c !important; }
.cs-comment-content { color: #6d4040 !important; }
.cs-comment-time { color: #b08585 !important; }
.cs-comment-tag {
  background: rgba(211,47,47,.08) !important;
  color: #d32f2f !important;
  border-color: rgba(211,47,47,.2) !important;
}

/* 回复区 */
.cs-replies {
  border-left: 2px solid rgba(178,28,28,.08) !important;
}
.cs-reply-form {
  background: #fff8e1 !important;
  border: 1px solid rgba(178,28,28,.06) !important;
}

/* 点赞/回复按钮 */
.cs-like-btn {
  color: #b08585 !important;
  border: 1px solid rgba(178,28,28,.08) !important;
}
.cs-like-btn:hover {
  color: #d32f2f !important;
  border-color: rgba(211,47,47,.3) !important;
  background: rgba(211,47,47,.08) !important;
}
.cs-like-btn.is-liked {
  color: #d32f2f !important;
  border-color: rgba(211,47,47,.3) !important;
  background: rgba(211,47,47,.08) !important;
}
.cs-reply-btn {
  color: #b08585 !important;
  border: 1px solid rgba(178,28,28,.08) !important;
}
.cs-reply-btn:hover {
  color: #d32f2f !important;
  border-color: rgba(211,47,47,.3) !important;
  background: rgba(211,47,47,.08) !important;
}

/* loading / empty / error */
.cs-loading, .cs-empty { color: #b08585 !important; }
.cs-loading .cs-spinner {
  border-color: rgba(211,47,47,.15) !important;
  border-top-color: #d32f2f !important;
  border-right-color: #b71c1c !important;
}
.cs-error {
  background: rgba(224,108,108,.1) !important;
  border: 1px solid rgba(224,108,108,.3) !important;
  color: #c62828 !important;
}

/* toast */
.cs-toast {
  background: #4a1a1a !important;
  border-color: rgba(255,193,7,.15) !important;
  color: #fff !important;
}
.cs-toast.is-error { border-color: rgba(224,108,108,.3) !important; color: #ff8a80 !important; }
.cs-toast.is-ok { border-color: rgba(255,193,7,.3) !important; color: var(--gold) !important; }

/* 头像 */
.cs-avatar, .cs-comment-avatar {
  box-shadow: 0 2px 8px rgba(178,28,28,.12) !important;
}

/* hint kbd */
.cs-hint { color: #b08585 !important; }
.cs-hint kbd {
  background: #fff3e0 !important;
  border: 1px solid rgba(178,28,28,.06) !important;
  color: #8a6060 !important;
}
.cs-counter { color: #b08585 !important; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .navbar ul {
    display: none;
    position: absolute;
    top: 60px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(211,47,47,.98);
    padding: 16px 24px;
    gap: 14px;
  }
  .navbar ul.open { display: flex; }
  .nav-toggle { display: block; }

  .gallery { grid-template-columns: 1fr; }
  .gallery-item.featured { grid-column: span 1; aspect-ratio: 4/3; }

  .music-control .mc-slider { width: 50px; }
  .music-control .mc-label { display: none; }

  .lightbox .nav-btn { font-size: 1.4rem; padding: 10px 12px; }
}