/* ===== 17C 官网主样式 ===== */
:root {
  --pink: #ff2d8f;
  --blue: #00c8ff;
  --purple: #9b59ff;
  --dark: #0d0d1a;
  --white: #ffffff;
  --light-bg: #f7f8ff;
  --card-bg: #ffffff;
  --text-main: #1a1a2e;
  --text-sub: #555577;
  --gradient-main: linear-gradient(135deg, #ff2d8f 0%, #9b59ff 50%, #00c8ff 100%);
  --gradient-soft: linear-gradient(135deg, #ffe0f5 0%, #e8f0ff 100%);
  --shadow-neon-pink: 0 0 20px rgba(255,45,143,0.4);
  --shadow-neon-blue: 0 0 20px rgba(0,200,255,0.4);
  --border-radius: 16px;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

/* ===== 粒子背景 ===== */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

/* ===== 顶部导航 ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(155,89,255,0.15);
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  box-shadow: 0 2px 30px rgba(155,89,255,0.08);
}

.navbar-logo {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.navbar-nav a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 30px;
  transition: var(--transition);
  white-space: nowrap;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: var(--shadow-neon-pink);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 搜索框 ===== */
.search-bar-wrap {
  background: linear-gradient(135deg, #ffe8f8 0%, #e8f4ff 100%);
  padding: 16px 5%;
  display: flex;
  justify-content: center;
  border-bottom: 1px solid rgba(155,89,255,0.1);
}

.search-bar-inner {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 50px;
  padding: 10px 20px;
  width: 100%;
  max-width: 680px;
  box-shadow: 0 4px 20px rgba(155,89,255,0.12);
  border: 2px solid transparent;
  transition: var(--transition);
}

.search-bar-inner:focus-within {
  border-color: var(--purple);
  box-shadow: 0 4px 30px rgba(155,89,255,0.25);
}

.search-bar-inner input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--text-main);
  background: transparent;
  font-family: inherit;
}

.search-bar-inner input::placeholder { color: #aab; }

.search-btn {
  background: var(--gradient-main);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 8px 22px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.search-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-neon-pink);
}

/* ===== 通用区块 ===== */
.section {
  padding: 80px 5%;
  position: relative;
  z-index: 1;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.section-title p {
  color: var(--text-sub);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== Banner ===== */
.banner {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0d0d1a 0%, #1a0a2e 50%, #0a1a2e 100%);
}

.banner-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  filter: blur(2px);
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,13,26,0.75) 0%, rgba(26,10,46,0.6) 50%, rgba(10,26,46,0.7) 100%);
}

.banner-content {
  position: relative;
  z-index: 2;
  padding: 0 5%;
  max-width: 780px;
}

.banner-tag {
  display: inline-block;
  background: var(--gradient-main);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.banner-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 0 40px rgba(255,45,143,0.5);
}

.banner-title .highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.banner-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 560px;
}

.banner-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 14px 36px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
  box-shadow: var(--shadow-neon-pink);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 8px 40px rgba(255,45,143,0.6);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50px;
  padding: 13px 34px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: var(--shadow-neon-blue);
  transform: translateY(-3px);
}

.banner-stats {
  position: absolute;
  bottom: 48px;
  right: 5%;
  display: flex;
  gap: 32px;
  z-index: 2;
}

.banner-stat {
  text-align: center;
  color: #fff;
}

.banner-stat .num {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.banner-stat .label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
}

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.video-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(155,89,255,0.08);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.video-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(155,89,255,0.2);
}

.video-thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
  background: #0d0d1a;
}

.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.08);
}

.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,13,26,0.0);
  transition: var(--transition);
  opacity: 0;
}

.video-card:hover .video-play-btn {
  opacity: 1;
  background: rgba(13,13,26,0.45);
}

.play-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(255,45,143,0.6);
  transform: scale(0.8);
  transition: var(--transition);
}

.video-card:hover .play-icon {
  transform: scale(1);
}

.play-icon svg {
  width: 28px;
  height: 28px;
  fill: #fff;
  margin-left: 4px;
}

.video-neon-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius);
  opacity: 0;
  transition: var(--transition);
  box-shadow: inset 0 0 0 2px var(--pink), 0 0 30px rgba(255,45,143,0.3);
}

.video-card:hover .video-neon-glow {
  opacity: 1;
}

.video-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 6px;
}

.video-info {
  padding: 16px;
}

.video-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--text-sub);
  flex-wrap: wrap;
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== 社区模块 ===== */
.community-section {
  background: linear-gradient(135deg, #f7f0ff 0%, #f0f8ff 100%);
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

.topic-tag {
  background: #fff;
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 30px;
  padding: 8px 20px;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  color: var(--text-main);
  box-shadow: 0 2px 12px rgba(155,89,255,0.1);
}

.topic-tag:hover {
  background: var(--gradient-main);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon-pink);
}

.danmaku-wrap {
  background: rgba(13,13,26,0.92);
  border-radius: var(--border-radius);
  padding: 20px;
  overflow: hidden;
  position: relative;
  height: 120px;
  margin-bottom: 32px;
}

.danmaku-line {
  position: absolute;
  white-space: nowrap;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.85);
  animation: danmaku-scroll linear infinite;
}

@keyframes danmaku-scroll {
  from { transform: translateX(100vw); }
  to { transform: translateX(-100%); }
}

/* ===== AI模块 ===== */
.ai-section { background: var(--light-bg); }

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.ai-tool-card {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(155,89,255,0.08);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.ai-tool-card:hover {
  border-color: var(--purple);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(155,89,255,0.2);
}

.ai-tool-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-main);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
}

.ai-tool-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.ai-tool-desc {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ===== 专家模块 ===== */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
}

.expert-card {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(155,89,255,0.08);
  transition: var(--transition);
}

.expert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(155,89,255,0.2);
}

.expert-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  display: block;
  border: 3px solid transparent;
  background: var(--gradient-main) border-box;
  box-shadow: 0 0 20px rgba(155,89,255,0.3);
}

.expert-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.expert-role {
  font-size: 0.85rem;
  color: var(--purple);
  font-weight: 600;
  margin-bottom: 10px;
}

.expert-desc {
  font-size: 0.83rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ===== 评价模块 ===== */
.reviews-section {
  background: linear-gradient(135deg, #f0f8ff 0%, #fff0f8 100%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 28px;
  box-shadow: 0 4px 24px rgba(155,89,255,0.08);
  transition: var(--transition);
  position: relative;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(155,89,255,0.15);
}

.review-quote {
  font-size: 3rem;
  line-height: 1;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.review-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-main);
}

.review-stars {
  color: #ffb800;
  font-size: 0.82rem;
}

/* ===== FAQ ===== */
.faq-section { background: var(--light-bg); }

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: var(--border-radius);
  margin-bottom: 16px;
  box-shadow: 0 2px 16px rgba(155,89,255,0.07);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.faq-question:hover { color: var(--purple); }

.faq-icon {
  width: 28px;
  height: 28px;
  background: var(--gradient-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--purple);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ===== 合作伙伴 ===== */
.partners-section { background: #fff; }

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.partner-logo {
  background: var(--light-bg);
  border-radius: 12px;
  padding: 16px 28px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-sub);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.partner-logo:hover {
  border-color: var(--purple);
  color: var(--purple);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(155,89,255,0.15);
}

/* ===== 联系模块 ===== */
.contact-section {
  background: linear-gradient(135deg, #0d0d1a 0%, #1a0a2e 100%);
  color: #fff;
}

.contact-section .section-title h2 {
  color: #fff;
  -webkit-text-fill-color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.contact-card {
  background: rgba(255,255,255,0.06);
  border-radius: var(--border-radius);
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}

.contact-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(155,89,255,0.4);
}

.contact-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-card p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  line-height: 1.7;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: 12px;
  margin: 16px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #888;
  text-align: center;
  padding: 8px;
}

/* ===== 页脚 ===== */
.footer {
  background: #07070f;
  color: rgba(255,255,255,0.6);
  padding: 40px 5% 24px;
  text-align: center;
  border-top: 1px solid rgba(155,89,255,0.15);
}

.footer-logo {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  display: block;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}

.footer-links a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--pink); }

.footer-social {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}

.social-btn:hover {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-neon-pink);
}

.footer-bottom {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 20px;
  margin-top: 8px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 16px 5%;
  background: #fff;
  border-bottom: 1px solid rgba(155,89,255,0.08);
  font-size: 0.88rem;
  color: var(--text-sub);
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  color: var(--purple);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

/* ===== 内页Hero ===== */
.inner-hero {
  background: linear-gradient(135deg, #0d0d1a 0%, #1a0a2e 50%, #0a1a2e 100%);
  padding: 80px 5% 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.inner-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(155,89,255,0.3) 0%, transparent 70%);
}

.inner-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.inner-hero h1 span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.inner-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== 滚动动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .navbar-nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(255,255,255,0.97); padding: 16px; gap: 4px; box-shadow: 0 8px 32px rgba(0,0,0,0.1); }
  .navbar-nav.open { display: flex; }
  .navbar-toggle { display: flex; }
  .banner-stats { display: none; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

@media (max-width: 600px) {
  .section { padding: 56px 4%; }
  .section-title h2 { font-size: 1.7rem; }
  .banner-title { font-size: 2.2rem; }
  .banner-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; }
  .video-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
}

/* ===== 加载动画 ===== */
@keyframes neon-pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(255,45,143,0.4); }
  50% { box-shadow: 0 0 30px rgba(255,45,143,0.8); }
}

.neon-pulse { animation: neon-pulse 2s ease-in-out infinite; }

/* ===== 视频弹窗 ===== */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.video-modal.open { display: flex; }

.video-modal-inner {
  background: #0d0d1a;
  border-radius: 20px;
  padding: 32px;
  max-width: 640px;
  width: 90%;
  text-align: center;
  border: 2px solid rgba(155,89,255,0.4);
  box-shadow: 0 0 60px rgba(155,89,255,0.3);
  position: relative;
}

.video-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.video-modal-close:hover { color: var(--pink); }

.video-modal h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.video-modal p {
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
}

/* ===== 内页通用 ===== */
.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.tag-badge {
  display: inline-block;
  background: var(--gradient-soft);
  color: var(--purple);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  margin-right: 6px;
  margin-bottom: 6px;
}