/* ===================================================
   开云体育官网 - 主样式文件
   Brand: 开云 | Domain: go-login-kaiyunplay.com
   =================================================== */

/* ---- CSS Reset & Variables ---- */
:root {
  --primary: #0a1628;
  --secondary: #0e2a5a;
  --accent: #1565c0;
  --gold: #f5a623;
  --gold-light: #ffcc44;
  --white: #ffffff;
  --light-bg: #f4f7fb;
  --text-dark: #1a1a2e;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --card-shadow: 0 4px 20px rgba(0,0,0,0.08);
  --transition: all 0.3s ease;
  --radius: 8px;
  --radius-lg: 16px;
}

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

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

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

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.section-padding-sm { padding: 50px 0; }

/* ---- Section Headers ---- */
.section-header { text-align: center; margin-bottom: 50px; }
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-title span { color: var(--accent); }
.section-desc { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #1976d2 100%);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(21,101,192,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(21,101,192,0.5); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, #e8940a 100%);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(245,166,35,0.4);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,166,35,0.5); }
.btn-outline {
  border: 2px solid var(--white);
  color: var(--white);
  background: transparent;
}
.btn-outline:hover { background: var(--white); color: var(--primary); }

/* ---- Top Bar ---- */
.top-bar {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar a { color: var(--gold); }
.top-bar a:hover { color: var(--gold-light); }

/* ---- Header / Navigation ---- */
.site-header {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: 1px;
}
.logo-sub { font-size: 11px; color: var(--gold); letter-spacing: 2px; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--gold);
  background: rgba(255,255,255,0.08);
}
.nav-cta {
  background: linear-gradient(135deg, var(--gold), #e8940a) !important;
  color: var(--white) !important;
  border-radius: 50px !important;
  padding: 8px 20px !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(245,166,35,0.4); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 5px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ---- Search Bar ---- */
.search-bar-wrap {
  background: var(--secondary);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.search-form {
  display: flex;
  max-width: 600px;
  margin: 0 auto;
  background: rgba(255,255,255,0.1);
  border-radius: 50px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.15);
}
.search-form input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--white);
  font-size: 14px;
  padding: 9px 20px;
  font-family: inherit;
}
.search-form input::placeholder { color: rgba(255,255,255,0.45); }
.search-form button {
  background: var(--gold);
  color: var(--white);
  border: none;
  padding: 9px 22px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.search-form button:hover { background: var(--gold-light); }

/* ---- Hero Banner / Slider ---- */
.hero-slider { position: relative; overflow: hidden; background: var(--primary); }
.slider-track { display: flex; transition: transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94); }
.slide {
  min-width: 100%;
  position: relative;
  height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  transition: transform 8s ease;
}
.slide:hover .slide-bg { transform: scale(1.05); }
.slide-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 40px;
}
.slide-tag {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.slide-title {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.slide-title span { color: var(--gold); }
.slide-desc { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 28px; line-height: 1.6; }
.slide-meta {
  display: flex;
  gap: 24px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.slide-meta-item { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.8); font-size: 14px; }
.slide-meta-item .icon { color: var(--gold); font-size: 16px; }
.slide-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
}
.dot.active { background: var(--gold); width: 24px; border-radius: 4px; }

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.2);
}
.slider-arrow:hover { background: var(--gold); border-color: var(--gold); }
.slider-arrow.prev { left: 20px; }
.slider-arrow.next { right: 20px; }

/* ---- Stats Bar ---- */
.stats-bar {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  padding: 24px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-item { text-align: center; color: var(--white); }
.stat-num { font-size: 32px; font-weight: 900; color: var(--gold); line-height: 1; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.8); margin-top: 4px; }

/* ---- Video Grid Section ---- */
.video-section { background: var(--light-bg); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background: var(--primary);
}
.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); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-btn { opacity: 1; }
.play-icon {
  width: 60px; height: 60px;
  background: rgba(245,166,35,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--white);
  transform: scale(0.8);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(245,166,35,0.5);
}
.video-card:hover .play-icon { transform: scale(1); }
.video-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gold);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: var(--white);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-info { padding: 16px; }
.video-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.video-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta { display: flex; justify-content: space-between; align-items: center; }
.video-stats { display: flex; gap: 12px; font-size: 12px; color: var(--text-muted); }
.video-stats span { display: flex; align-items: center; gap: 4px; }
.video-date { font-size: 12px; color: var(--text-muted); }

/* Featured video card */
.video-card.featured { grid-column: span 2; }
.video-card.featured .video-thumb { padding-top: 42%; }

/* ---- About Section ---- */
.about-section { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.about-img-wrap img { width: 100%; height: 420px; object-fit: cover; }
.about-badge {
  position: absolute;
  bottom: 24px;
  right: -20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  text-align: center;
  min-width: 130px;
}
.about-badge-num { font-size: 28px; font-weight: 900; color: var(--accent); }
.about-badge-label { font-size: 12px; color: var(--text-muted); }
.about-content h2 { font-size: 32px; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.about-content p { color: var(--text-muted); margin-bottom: 20px; line-height: 1.8; }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--light-bg);
  border-radius: var(--radius);
}
.value-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--white);
  flex-shrink: 0;
}
.value-text h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.value-text p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ---- Service Section ---- */
.service-section { background: var(--light-bg); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.12); }
.service-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--accent), #1976d2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--white);
  margin: 0 auto 20px;
}
.service-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.service-card .learn-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}
.service-card:hover .learn-more { color: var(--gold); }

/* ---- Cases Section ---- */
.cases-section { background: var(--white); }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  background: var(--white);
}
.case-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.15); }
.case-img { position: relative; height: 200px; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.case-card:hover .case-img img { transform: scale(1.08); }
.case-cat {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}
.case-body { padding: 20px; }
.case-body h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.case-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.case-stats { display: flex; gap: 16px; }
.case-stat { text-align: center; }
.case-stat-num { font-size: 18px; font-weight: 800; color: var(--accent); }
.case-stat-label { font-size: 11px; color: var(--text-muted); }

/* ---- News Section ---- */
.news-section { background: var(--light-bg); }
.news-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 28px; }
.news-featured {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  background: var(--white);
  transition: var(--transition);
}
.news-featured:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.12); }
.news-featured-img { position: relative; height: 280px; overflow: hidden; }
.news-featured-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-featured:hover .news-featured-img img { transform: scale(1.05); }
.news-featured-body { padding: 24px; }
.news-tag {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.news-tag.gold { background: var(--gold); }
.news-featured-body h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.4; }
.news-featured-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.news-date { font-size: 12px; color: var(--text-muted); margin-top: 12px; }

.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex;
  gap: 14px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}
.news-item:hover { transform: translateX(4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.news-item-img { width: 80px; height: 70px; border-radius: 6px; overflow: hidden; flex-shrink: 0; }
.news-item-img img { width: 100%; height: 100%; object-fit: cover; }
.news-item-body { flex: 1; }
.news-item-body h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 6px; line-height: 1.4; }
.news-item-body p { font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.news-item-date { font-size: 11px; color: var(--text-muted); margin-top: 6px; }

/* ---- Reviews Section ---- */
.reviews-section { background: var(--white); }
.reviews-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.review-card {
  background: var(--light-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow); border-color: var(--accent); }
.review-stars { color: var(--gold); font-size: 16px; margin-bottom: 12px; letter-spacing: 2px; }
.review-text { font-size: 14px; color: var(--text-dark); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.review-user { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}
.review-user-info h5 { font-size: 14px; font-weight: 700; color: var(--primary); }
.review-user-info span { font-size: 12px; color: var(--text-muted); }

/* ---- Partners Section ---- */
.partners-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.partners-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/partner-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.partners-section .section-title { color: var(--white); }
.partners-section .section-desc { color: rgba(255,255,255,0.7); }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.partner-logo {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  transition: var(--transition);
}
.partner-logo:hover { background: rgba(255,255,255,0.15); border-color: var(--gold); }
.partner-logo-name { font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.8); }
.partner-logo-sub { font-size: 11px; color: rgba(255,255,255,0.4); margin-top: 4px; }

/* ---- FAQ Section ---- */
.faq-section { background: var(--light-bg); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--accent); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  gap: 12px;
}
.faq-q:hover { color: var(--accent); }
.faq-icon {
  width: 24px; height: 24px;
  background: var(--light-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon { background: var(--accent); color: var(--white); transform: rotate(45deg); }
.faq-a {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 200px; padding: 0 20px 18px; }

/* ---- Contact Section ---- */
.contact-section { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h2 { font-size: 28px; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.contact-info p { color: var(--text-muted); margin-bottom: 28px; line-height: 1.8; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--light-bg);
  border-radius: var(--radius);
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--white);
  flex-shrink: 0;
}
.contact-item-text h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.contact-item-text p { font-size: 14px; color: var(--text-muted); }
.contact-map {
  background: var(--light-bg);
  border-radius: var(--radius-lg);
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border);
  flex-direction: column;
  gap: 12px;
  color: var(--text-muted);
  font-size: 14px;
}
.contact-map .map-icon { font-size: 48px; color: var(--accent); }

/* ---- Footer ---- */
.site-footer { background: var(--primary); color: rgba(255,255,255,0.8); }
.footer-main { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.8; margin: 16px 0 24px; }
.footer-qrcodes { display: flex; gap: 16px; }
.qr-item { text-align: center; }
.qr-box {
  width: 80px; height: 80px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 6px;
}
.qr-label { font-size: 11px; color: rgba(255,255,255,0.5); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--gold);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
  text-decoration: none;
}
.social-btn:hover { background: var(--gold); border-color: var(--gold); color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copyright { font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-copyright a { color: var(--gold); }
.footer-update { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-icp { font-size: 12px; color: rgba(255,255,255,0.35); }

/* ---- Breadcrumb ---- */
.breadcrumb-bar {
  background: var(--light-bg);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: var(--border); }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(21,101,192,0.3) 0%, transparent 60%);
}
.page-hero h1 { font-size: clamp(26px, 4vw, 42px); font-weight: 900; color: var(--white); margin-bottom: 12px; position: relative; }
.page-hero p { font-size: 16px; color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto; position: relative; }

/* ---- Inner Page Content ---- */
.inner-content { padding: 60px 0; }
.inner-grid { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.main-content {}
.sidebar {}
.sidebar-card {
  background: var(--light-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-card h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); }
.sidebar-links { display: flex; flex-direction: column; gap: 8px; }
.sidebar-links a {
  font-size: 14px;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-links a:hover, .sidebar-links a.active { background: var(--accent); color: var(--white); }

/* ---- Misc Utilities ---- */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block;
  background: var(--light-bg);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.divider { height: 1px; background: var(--border); margin: 40px 0; }
.highlight-box {
  background: linear-gradient(135deg, rgba(21,101,192,0.08), rgba(245,166,35,0.08));
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px;
  margin: 20px 0;
}
.highlight-box p { font-size: 14px; color: var(--text-dark); line-height: 1.7; }

/* ---- Mobile Menu ---- */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,0.5);
}
.mobile-nav.open { display: flex; }
.mobile-nav-inner {
  background: var(--primary);
  width: 280px;
  height: 100%;
  padding: 20px;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}
.mobile-nav.open .mobile-nav-inner { transform: translateX(0); }
.mobile-nav-close {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}
.mobile-nav-links { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: 8px;
  transition: var(--transition);
}
.mobile-nav-links a:hover { background: rgba(255,255,255,0.08); color: var(--gold); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-card.featured { grid-column: span 2; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .inner-grid { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
}

@media (max-width: 768px) {
  .section-padding { padding: 50px 0; }
  .slide { height: 420px; }
  .slide-content { padding: 0 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-badge { right: 0; }
  .cases-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .video-card.featured { grid-column: span 1; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .top-bar .container { flex-direction: column; gap: 4px; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .slide { height: 340px; }
  .slide-btns { flex-direction: column; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
}

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }

/* ---- Lazy Load ---- */
img[data-src] { opacity: 0; transition: opacity 0.3s ease; }
img.loaded { opacity: 1; }