/* ============================================
   大象传媒 - 原创样式表
   品牌：大象传媒 | 域名：fjmcns.cn
   配色方案：暗夜紫橙主题
   ============================================ */

/* CSS Variables */
:root {
  --primary: #1A0A2E;
  --secondary: #FF6B35;
  --accent: #7B2FF7;
  --mint: #00D4AA;
  --bg-dark: #0D0D1A;
  --bg-card: #1C1C2E;
  --bg-card-hover: #252540;
  --text-light: #E8E8F0;
  --text-muted: #9A9AB0;
  --text-dim: #6B6B80;
  --border-color: #2A2A40;
  --gradient-main: linear-gradient(135deg, #7B2FF7 0%, #FF6B35 100%);
  --gradient-dark: linear-gradient(180deg, #0D0D1A 0%, #1A0A2E 100%);
  --gradient-card: linear-gradient(145deg, #1C1C2E 0%, #151528 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(123,47,247,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============ Header / Navigation ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13,13,26,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 40px;
  width: auto;
}

.8db5ssx {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-light);
  background: rgba(123,47,247,0.15);
}

.zr9idy6 {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.zr9idy6 span {
  width: 24px;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

/* Search Bar */
.search-bar {
  background: var(--primary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
  margin-top: 68px;
}

.search-bar .container {
  display: flex;
  justify-content: center;
}

.search-wrapper {
  display: flex;
  align-items: center;
  max-width: 600px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  overflow: hidden;
  transition: var(--transition);
}

.search-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.search-wrapper input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 10px 20px;
  color: var(--text-light);
  font-size: 0.95rem;
}

.search-wrapper input::placeholder {
  color: var(--text-dim);
}

.search-wrapper button {
  background: var(--gradient-main);
  border: none;
  padding: 10px 24px;
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.search-wrapper button:hover {
  opacity: 0.9;
}

/* ============ Hero / Banner ============ */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-dark);
}

.61jgg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.61jgg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.yqkc1ak {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,13,26,0.6) 0%, rgba(13,13,26,0.95) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 20px 60px;
  text-align: center;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-content h1 .rsrbg1w {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.nmaur {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.nmaur span {
  background: rgba(123,47,247,0.15);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  border: 1px solid rgba(123,47,247,0.3);
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.fwqwa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-main);
  color: #fff;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(123,47,247,0.4);
}

.fwqwa:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(123,47,247,0.5);
  color: #fff;
}

.ea2wr3j {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-light);
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.ea2wr3j:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ============ Section Common ============ */
.section {
  padding: 70px 0;
}

.section-alt {
  background: var(--primary);
}

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

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-header h2 .5074l {
  color: var(--secondary);
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.wv5xs {
  display: inline-block;
  background: rgba(123,47,247,0.12);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ============ Video Cards Grid ============ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.video-card {
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}

.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.3qqbh9g {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .3qqbh9g {
  opacity: 1;
}

.3qqbh9g .i8m8t2 {
  width: 56px;
  height: 56px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(123,47,247,0.5);
}

.3qqbh9g .i8m8t2::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}

.video-info {
  padding: 14px 16px;
}

.video-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.8rem;
}

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

.video-tags {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.video-tags span {
  background: rgba(123,47,247,0.1);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.72rem;
}

/* ============ Feature Cards ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

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

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============ Expert Section ============ */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.expert-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}

.expert-card:hover {
  transform: translateY(-4px);
  border-color: var(--secondary);
  box-shadow: 0 0 20px rgba(255,107,53,0.3);
}

.expert-avatar {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.expert-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.expert-card:hover .expert-avatar img {
  transform: scale(1.05);
}

.expert-info {
  padding: 16px;
}

.expert-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.expert-info .role {
  color: var(--secondary);
  font-size: 0.82rem;
  margin-bottom: 8px;
}

.expert-info p {
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.expert-actions {
  display: flex;
  gap: 8px;
  padding: 0 16px 16px;
  justify-content: center;
}

.expert-actions a {
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: var(--transition);
}

.expert-actions a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ FAQ Section ============ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
}

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

.faq-question .z5qowrtl {
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .z5qowrtl {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 18px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ============ Reviews ============ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.review-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--mint);
}

.c9o0xe {
  color: #FFD700;
  font-size: 0.9rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-author .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.review-author .name {
  font-weight: 600;
  font-size: 0.88rem;
}

.review-author .date {
  color: var(--text-dim);
  font-size: 0.78rem;
}

/* ============ Partners ============ */
.88wou {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  align-items: center;
}

.em7964 {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 28px;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
}

.em7964:hover {
  border-color: var(--accent);
  color: var(--text-light);
}

/* ============ Contact Section ============ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.contact-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
}

.contact-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--secondary);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.contact-item .label {
  color: var(--text-light);
  font-weight: 600;
  min-width: 70px;
  flex-shrink: 0;
}

.izic4 {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 20px;
}

.ijk4gw {
  text-align: center;
}

.ijk4gw img {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.ijk4gw span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============ How-To Section ============ */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.howto-step {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  position: relative;
  counter-increment: step;
}

.howto-step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-main);
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  margin: 0 auto 16px;
}

.howto-step h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.howto-step p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ============ Share Buttons ============ */
.a4uij4a4 {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.3osjqs59 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
  background: transparent;
}

.3osjqs59:hover {
  border-color: var(--accent);
  color: var(--text-light);
  background: rgba(123,47,247,0.1);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--primary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .8db5ssx {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-light);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.footer-bottom .fs8uljd {
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* ============ Breadcrumb ============ */
.breadcrumb {
  padding: 16px 0;
  margin-top: 68px;
  background: var(--primary);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
}

.breadcrumb-list a {
  color: var(--text-muted);
}

.breadcrumb-list a:hover {
  color: var(--secondary);
}

.breadcrumb-list .zydcs97w {
  color: var(--text-dim);
}

.breadcrumb-list .current {
  color: var(--text-light);
  font-weight: 600;
}

/* ============ Page Content ============ */
.page-hero {
  background: var(--gradient-dark);
  padding: 60px 0 40px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.content-section {
  padding: 50px 0;
}

.content-section p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ============ Image Load ============ */
img {
  opacity: 1;
  transition: opacity 0.3s ease;
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .video-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .expert-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .review-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(13,13,26,0.98);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav a {
    padding: 12px 16px;
    width: 100%;
    text-align: center;
  }

  .zr9idy6 {
    display: flex;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .expert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .review-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .howto-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .page-hero h1 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .video-grid {
    grid-template-columns: 1fr;
  }

  .expert-grid {
    grid-template-columns: 1fr;
  }

  .howto-steps {
    grid-template-columns: 1fr;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

  .izic4 {
    flex-direction: column;
    align-items: center;
  }
}