/* ========================================
   91系列 - 顶级MCN机构官网样式表
   时尚经纪风+潮酷荧光主题
   ======================================== */

/* CSS Variables */
:root {
  --primary: #FF0055;
  --secondary: #00E5FF;
  --bg-dark: #0A0A0A;
  --card-bg: #141414;
  --text-main: #CCCCCC;
  --text-light: #FFFFFF;
  --text-muted: #888888;
  --gradient-primary: linear-gradient(135deg, #FF0055, #FF4488);
  --gradient-secondary: linear-gradient(135deg, #00E5FF, #00B8D4);
  --gradient-hero: linear-gradient(180deg, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.9) 100%);
  --neon-glow: 0 0 10px rgba(255,0,85,0.5), 0 0 20px rgba(255,0,85,0.3);
  --cyan-glow: 0 0 10px rgba(0,229,255,0.5), 0 0 20px rgba(0,229,255,0.3);
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1400px;
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--primary);
  text-shadow: var(--neon-glow);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-light);
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1rem, 2vw, 1.4rem); }

/* Container */
.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(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 0, 85, 0.2);
  padding: 15px 0;
  transition: var(--transition);
}

.site-header.scrolled {
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(255, 0, 85, 0.1);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-light);
  letter-spacing: -1px;
}

.logo span {
  color: var(--primary);
  text-shadow: var(--neon-glow);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

.main-nav a {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 5px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.main-nav a:hover {
  color: var(--text-light);
  text-shadow: none;
}

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

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-light);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 40px 20px;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 0%, #FF0055 50%, #00E5FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--text-main);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--primary);
  text-shadow: var(--neon-glow);
}

.hero-stat .label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 5px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-light);
  box-shadow: 0 4px 20px rgba(255, 0, 85, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 0, 85, 0.6);
  color: var(--text-light);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary);
  color: var(--bg-dark);
  box-shadow: var(--cyan-glow);
}

/* Section Styles */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 15px;
}

.section-header h2 span {
  color: var(--primary);
}

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

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  margin: 15px auto;
  border-radius: 2px;
}

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 0, 85, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 0, 85, 0.1);
}

.card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

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

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

.card-body {
  padding: 25px;
}

.card-body h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.card-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 0, 85, 0.15);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

/* Creator Cards */
.creator-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
  text-align: center;
}

.creator-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(255, 0, 85, 0.2);
  transform: translateY(-8px);
}

.creator-avatar {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.creator-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.creator-info {
  padding: 20px;
}

.creator-info h4 {
  margin-bottom: 5px;
}

.creator-info .platform {
  color: var(--secondary);
  font-size: 0.85rem;
}

.creator-info .fans {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
  margin-top: 8px;
}

/* Stats Dashboard */
.stats-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  padding: 40px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-item .stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  text-shadow: var(--neon-glow);
  display: block;
}

.stat-item .stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* Timeline */
.timeline {
  position: relative;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 50px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: 45%;
  padding: 25px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: var(--neon-glow);
  z-index: 2;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 24px;
  background: var(--card-bg);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: var(--text-light);
  border-color: var(--primary);
  box-shadow: var(--neon-glow);
}

/* ROI Dashboard Component */
.roi-dashboard {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.roi-metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.roi-metric:last-child {
  border-bottom: none;
}

.roi-metric .metric-name {
  color: var(--text-muted);
}

.roi-metric .metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
}

/* Form Styles */
.inquiry-form {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid rgba(255, 0, 85, 0.2);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-light);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-light);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(255, 0, 85, 0.2);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
.site-footer {
  background: #050505;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 0, 85, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 15px;
  font-size: 0.9rem;
}

.footer-links h4 {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Search Page */
.search-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 20px;
}

.search-box {
  display: flex;
  gap: 10px;
}

.search-box input {
  flex: 1;
  padding: 16px 24px;
  background: var(--card-bg);
  border: 2px solid rgba(255, 0, 85, 0.3);
  border-radius: 50px;
  color: var(--text-light);
  font-size: 1.1rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--neon-glow);
}

.search-results {
  margin-top: 30px;
}

.search-result-item {
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.search-result-item h3 a {
  color: var(--text-light);
}

.search-result-item p {
  color: var(--text-muted);
  margin-top: 5px;
}

/* 404 Page */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
}

.error-code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* Page Header (Inner Pages) */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 0, 85, 0.08) 0%, var(--bg-dark) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.page-header h1 {
  margin-bottom: 15px;
}

.page-header .breadcrumb {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.page-header .breadcrumb a:hover {
  color: var(--primary);
}

/* Detail Page */
.detail-hero {
  position: relative;
  height: 400px;
  overflow: hidden;
  margin-top: 70px;
}

.detail-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-dark) 0%, transparent 60%);
}

.detail-content {
  max-width: 900px;
  margin: -60px auto 0;
  position: relative;
  z-index: 2;
  padding: 0 20px 80px;
}

.detail-content h1 {
  margin-bottom: 20px;
}

.detail-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.detail-meta span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.detail-body {
  color: var(--text-main);
  line-height: 2;
}

.detail-body h2 {
  margin: 40px 0 20px;
  font-size: 1.5rem;
}

.detail-body p {
  margin-bottom: 20px;
}

/* FAQ Section */
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  margin-bottom: 15px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.faq-question {
  padding: 20px 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-light);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}

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

.faq-answer {
  padding: 0 25px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 25px 20px;
  max-height: 500px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes countUp {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes neonPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-board {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--card-bg);
    padding: 80px 30px 30px;
    transition: var(--transition);
    z-index: 999;
  }
  .main-nav.active {
    right: 0;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 20px;
  }
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    gap: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .stats-board {
    grid-template-columns: 1fr 1fr;
    padding: 20px;
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 50px;
  }
  .timeline-content {
    width: 100%;
  }
  .timeline-dot {
    left: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
}

/* Utility Classes */
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

/* Neon Border Effect */
.neon-border {
  border: 1px solid rgba(255, 0, 85, 0.3);
  box-shadow: inset 0 0 20px rgba(255, 0, 85, 0.05);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #FF3377;
}