/* =============================================
   抖荫短视频 影视传媒 · 视频社区 - 原创主题样式
   Brand: 抖荫短视频 | Domain: we-photo.com.cn
   Color Palette:
     --navy:   #0D1B3E  (深海蓝)
     --orange: #FF5A1F  (活力橙)
     --gold:   #F5A623  (金色)
     --light:  #F4F6FA  (浅灰白)
     --dark:   #111827  (深黑)
     --mid:    #6B7280  (中灰)
     --white:  #FFFFFF
   ============================================= */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
  background: #F4F6FA;
  color: #111827;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color 0.25s; }
a:hover { color: #FF5A1F; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ---- CSS Variables ---- */
:root {
  --navy:   #0D1B3E;
  --orange: #FF5A1F;
  --gold:   #F5A623;
  --light:  #F4F6FA;
  --dark:   #111827;
  --mid:    #6B7280;
  --white:  #FFFFFF;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(13,27,62,0.10);
  --shadow-lg: 0 8px 40px rgba(13,27,62,0.16);
  --transition: 0.3s ease;
}

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }

/* ---- Section Titles ---- */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-title span { color: var(--orange); }
.section-subtitle {
  text-align: center;
  color: var(--mid);
  font-size: 1rem;
  margin-bottom: 48px;
}
.section-divider {
  width: 56px; height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  border-radius: 2px;
  margin: 12px auto 40px;
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(13, 27, 62, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,90,31,0.18);
  transition: box-shadow var(--transition);
}
#site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.3); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 24px;
}

/* Logo */
.site-logo {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.site-logo img.logo-img {
  height: 40px; width: auto; object-fit: contain;
}
.site-logo .logo-text {
  font-size: 1.5rem; font-weight: 900;
  color: var(--white); letter-spacing: -1px;
}
.site-logo .logo-text em {
  color: var(--orange); font-style: normal;
}

/* Nav */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem; font-weight: 500;
  padding: 6px 14px; border-radius: 6px;
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--white);
  background: rgba(255,90,31,0.18);
}

/* Header Search */
.header-search {
  display: flex; align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px;
  padding: 5px 14px;
  gap: 8px;
  flex-shrink: 0;
}
.header-search input {
  background: none; border: none; outline: none;
  color: var(--white); font-size: 0.88rem;
  width: 160px;
}
.header-search input::placeholder { color: rgba(255,255,255,0.45); }
.header-search button {
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,0.6); font-size: 1rem;
  padding: 0; transition: color var(--transition);
}
.header-search button:hover { color: var(--orange); }

/* Mobile Toggle */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   SEARCH BAR (below nav)
   ============================================ */
.search-bar-section {
  background: var(--navy);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,90,31,0.12);
}
.search-bar-inner {
  display: flex; align-items: center; justify-content: center; gap: 0;
  max-width: 680px; margin: 0 auto;
}
.search-bar-inner input {
  flex: 1; padding: 12px 20px;
  border: 2px solid rgba(255,90,31,0.4);
  border-right: none;
  border-radius: 28px 0 0 28px;
  background: rgba(255,255,255,0.06);
  color: var(--white); font-size: 0.95rem; outline: none;
  transition: border-color var(--transition);
}
.search-bar-inner input::placeholder { color: rgba(255,255,255,0.4); }
.search-bar-inner input:focus { border-color: var(--orange); }
.search-bar-inner button {
  padding: 12px 28px;
  background: var(--orange);
  color: var(--white); font-size: 0.95rem; font-weight: 600;
  border: 2px solid var(--orange); border-left: none;
  border-radius: 0 28px 28px 0;
  cursor: pointer; transition: background var(--transition);
}
.search-bar-inner button:hover { background: #e04a10; }

/* ============================================
   HERO BANNER
   ============================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: 68px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/banner_bg.jpg');
  background-size: cover; background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,
    rgba(13,27,62,0.88) 0%,
    rgba(13,27,62,0.65) 50%,
    rgba(255,90,31,0.18) 100%);
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 760px; padding: 80px 20px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,90,31,0.18);
  border: 1px solid rgba(255,90,31,0.4);
  color: var(--gold); font-size: 0.82rem; font-weight: 600;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.hero-badge::before {
  content: ''; display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange); animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900; color: var(--white);
  line-height: 1.15; margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero-title .brand { color: var(--orange); }
.hero-title .highlight {
  background: linear-gradient(90deg, var(--gold), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.1rem; color: rgba(255,255,255,0.80);
  margin-bottom: 36px; max-width: 560px; line-height: 1.8;
}
.hero-desc strong { color: var(--gold); }
.hero-stats {
  display: flex; gap: 40px; margin-bottom: 40px; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 2rem; font-weight: 900; color: var(--white);
  line-height: 1;
}
.hero-stat .num span { color: var(--orange); }
.hero-stat .label { font-size: 0.8rem; color: rgba(255,255,255,0.55); margin-top: 4px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--orange); color: var(--white);
  padding: 14px 32px; border-radius: 28px;
  font-size: 1rem; font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(255,90,31,0.4);
}
.btn-primary:hover {
  background: #e04a10; transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,90,31,0.5);
  color: var(--white);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--white);
  padding: 14px 32px; border-radius: 28px;
  font-size: 1rem; font-weight: 600;
  border: 2px solid rgba(255,255,255,0.4);
  transition: all var(--transition);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white); color: var(--white);
}
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.5); font-size: 0.78rem;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: ''; display: block; width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   VIDEO SECTION - 精选视频
   ============================================ */
#videos { background: var(--white); }
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.video-thumb {
  position: relative; overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--navy);
}
.video-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(13,27,62,0.35);
  opacity: 0; transition: opacity var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255,90,31,0.92);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(255,90,31,0.5);
  transition: transform var(--transition);
}
.video-card:hover .play-icon { transform: scale(1.1); }
.play-icon::after {
  content: ''; display: block;
  width: 0; height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--white);
  margin-left: 4px;
}
.video-duration {
  position: absolute; bottom: 8px; right: 10px;
  background: rgba(0,0,0,0.7); color: var(--white);
  font-size: 0.75rem; padding: 2px 8px; border-radius: 4px;
}
.video-tag {
  position: absolute; top: 10px; left: 10px;
  background: var(--orange); color: var(--white);
  font-size: 0.72rem; font-weight: 700;
  padding: 3px 10px; border-radius: 4px;
}
.video-info { padding: 16px; }
.video-info h3 {
  font-size: 0.95rem; font-weight: 700; color: var(--dark);
  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;
  font-size: 0.78rem; color: var(--mid);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-meta .icon { font-size: 0.85rem; }

/* ============================================
   FEATURES GRID (出行/娱乐/AI/社区)
   ============================================ */
#features { background: var(--light); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border-top: 4px solid transparent;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 60px; height: 60px; border-radius: 14px;
  background: linear-gradient(135deg, var(--navy), #1a3a7a);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.1rem; font-weight: 700; color: var(--navy);
  margin-bottom: 10px;
}
.feature-card p { font-size: 0.88rem; color: var(--mid); line-height: 1.7; }
.feature-tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px;
}
.feature-tag {
  font-size: 0.72rem; padding: 3px 10px;
  background: rgba(255,90,31,0.08); color: var(--orange);
  border-radius: 12px; border: 1px solid rgba(255,90,31,0.2);
}

/* ============================================
   EXPERTS SECTION
   ============================================ */
#experts { background: var(--white); }
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid rgba(13,27,62,0.06);
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255,90,31,0.2);
}
.expert-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--orange));
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--white);
  font-weight: 900; letter-spacing: -2px;
}
.expert-name { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.expert-title { font-size: 0.8rem; color: var(--orange); font-weight: 600; margin-bottom: 10px; }
.expert-desc { font-size: 0.82rem; color: var(--mid); line-height: 1.6; margin-bottom: 14px; }
.expert-badge {
  display: inline-block; font-size: 0.72rem;
  background: rgba(245,166,35,0.12); color: #b07d00;
  padding: 3px 10px; border-radius: 10px; margin-bottom: 14px;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  font-size: 0.78rem; padding: 6px 14px; border-radius: 16px;
  font-weight: 600; transition: all var(--transition);
}
.btn-sm.primary {
  background: var(--orange); color: var(--white);
}
.btn-sm.primary:hover { background: #e04a10; color: var(--white); }
.btn-sm.ghost {
  background: transparent; color: var(--navy);
  border: 1px solid rgba(13,27,62,0.2);
}
.btn-sm.ghost:hover { border-color: var(--orange); color: var(--orange); }

/* ============================================
   COMMUNITY / PARTNERS
   ============================================ */
#partners { background: var(--light); }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}
.partner-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.partner-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.partner-logo {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), #1a3a7a);
  margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 900; color: var(--white);
}
.partner-name { font-size: 0.82rem; color: var(--mid); font-weight: 600; }

/* ============================================
   HOW TO JOIN
   ============================================ */
#join { background: var(--navy); }
#join .section-title { color: var(--white); }
#join .section-subtitle { color: rgba(255,255,255,0.6); }
.join-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.join-step {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: all var(--transition);
}
.join-step:hover {
  background: rgba(255,90,31,0.12);
  border-color: rgba(255,90,31,0.3);
}
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--orange); color: var(--white);
  font-size: 1.2rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.join-step h4 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.join-step p { font-size: 0.85rem; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ============================================
   CONTACT SECTION
   ============================================ */
#contact { background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: start;
}
.contact-info h3 { font-size: 1.4rem; font-weight: 800; color: var(--navy); margin-bottom: 20px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 18px;
}
.contact-item .ci-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--navy), #1a3a7a);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.contact-item .ci-text strong { display: block; font-size: 0.85rem; color: var(--mid); margin-bottom: 2px; }
.contact-item .ci-text span { font-size: 0.95rem; color: var(--dark); font-weight: 600; }
.contact-qr { display: flex; gap: 24px; margin-top: 28px; }
.qr-item { text-align: center; }
.qr-item img {
  width: 110px; height: 110px; object-fit: cover;
  border-radius: 10px; border: 2px solid rgba(13,27,62,0.1);
  margin-bottom: 8px;
}
.qr-item p { font-size: 0.78rem; color: var(--mid); }
.contact-map {
  background: var(--light); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.contact-map h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 16px; }
.map-placeholder {
  background: linear-gradient(135deg, #e8ecf4, #d0d8ea);
  border-radius: 8px; height: 200px;
  display: flex; align-items: center; justify-content: center;
  color: var(--mid); font-size: 0.9rem; margin-bottom: 16px;
}
.community-entries { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.entry-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 20px;
  font-size: 0.85rem; font-weight: 600;
  transition: all var(--transition);
}
.entry-btn.wechat { background: #07C160; color: var(--white); }
.entry-btn.qq { background: #12B7F5; color: var(--white); }
.entry-btn.app { background: var(--orange); color: var(--white); }
.entry-btn:hover { opacity: 0.85; transform: translateY(-2px); color: var(--white); }

/* ============================================
   REVIEWS / TESTIMONIALS
   ============================================ */
#reviews { background: var(--light); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border-left: 4px solid var(--orange);
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.review-stars { color: var(--gold); font-size: 1rem; margin-bottom: 10px; }
.review-text { font-size: 0.9rem; color: var(--dark); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--orange));
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 700; font-size: 0.9rem;
  flex-shrink: 0;
}
.review-name { font-size: 0.88rem; font-weight: 700; color: var(--navy); }
.review-date { font-size: 0.75rem; color: var(--mid); }

/* ============================================
   FAQ SECTION
   ============================================ */
#faq { background: var(--white); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid rgba(13,27,62,0.08);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; cursor: pointer;
  background: var(--white); transition: background var(--transition);
  font-size: 0.95rem; font-weight: 700; color: var(--navy);
}
.faq-question:hover { background: rgba(255,90,31,0.04); }
.faq-question.active { background: rgba(255,90,31,0.06); color: var(--orange); }
.faq-toggle {
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(255,90,31,0.1); color: var(--orange);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0; transition: transform var(--transition);
}
.faq-question.active .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  display: none; padding: 0 22px 18px;
  font-size: 0.9rem; color: var(--mid); line-height: 1.8;
}
.faq-answer.open { display: block; }

/* ============================================
   SHARE BAR
   ============================================ */
.share-bar {
  background: var(--navy); padding: 20px 0;
  border-top: 1px solid rgba(255,90,31,0.15);
}
.share-inner {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  flex-wrap: wrap;
}
.share-label { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 20px;
  font-size: 0.82rem; font-weight: 600;
  transition: all var(--transition);
}
.share-btn.wechat { background: #07C160; color: var(--white); }
.share-btn.weibo { background: #E6162D; color: var(--white); }
.share-btn.douyin { background: #010101; color: var(--white); border: 1px solid #333; }
.share-btn.bilibili { background: #00A1D6; color: var(--white); }
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); color: var(--white); }

/* ============================================
   FOOTER
   ============================================ */
#site-footer {
  background: #080f22;
  color: rgba(255,255,255,0.7);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer-brand .logo-text {
  font-size: 1.6rem; font-weight: 900; color: var(--white); margin-bottom: 12px;
}
.footer-brand .logo-text em { color: var(--orange); font-style: normal; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; color: rgba(255,255,255,0.55); margin-bottom: 16px; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.85rem; color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--orange); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.social-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; color: rgba(255,255,255,0.6);
  transition: all var(--transition);
}
.social-icon:hover { background: var(--orange); color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--orange); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-links a:hover { color: var(--orange); }
.update-time { font-size: 0.78rem; color: rgba(255,255,255,0.3); }

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  background: var(--light);
  padding: 12px 0;
  border-bottom: 1px solid rgba(13,27,62,0.06);
  margin-top: 68px;
}
.breadcrumb-inner {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--mid);
}
.breadcrumb-inner a { color: var(--mid); }
.breadcrumb-inner a:hover { color: var(--orange); }
.breadcrumb-inner .sep { color: rgba(13,27,62,0.3); }
.breadcrumb-inner .current { color: var(--navy); font-weight: 600; }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a7a 100%);
  padding: 72px 0 56px; margin-top: 68px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: url('../images/banner_bg.jpg') center/cover no-repeat;
  opacity: 0.12;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: 2.4rem; font-weight: 900; color: var(--white);
  margin-bottom: 12px;
}
.page-hero h1 span { color: var(--orange); }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,0.7); max-width: 560px; }

/* ============================================
   CONTENT CARDS (inner pages)
   ============================================ */
.content-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}
.content-card h2 { font-size: 1.4rem; font-weight: 800; color: var(--navy); margin-bottom: 16px; }
.content-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; margin-top: 20px; }
.content-card p { font-size: 0.92rem; color: var(--mid); line-height: 1.8; margin-bottom: 12px; }
.content-card ul { padding-left: 20px; list-style: disc; }
.content-card ul li { font-size: 0.9rem; color: var(--mid); line-height: 1.8; margin-bottom: 6px; }

/* ============================================
   TRAVEL CARDS
   ============================================ */
.travel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.travel-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.travel-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.travel-img {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
}
.travel-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.travel-card:hover .travel-img img { transform: scale(1.05); }
.travel-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--orange); color: var(--white);
  font-size: 0.72rem; font-weight: 700;
  padding: 3px 10px; border-radius: 4px;
}
.travel-body { padding: 18px; }
.travel-body h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.travel-body p { font-size: 0.85rem; color: var(--mid); line-height: 1.6; }
.travel-meta { display: flex; gap: 12px; margin-top: 12px; font-size: 0.78rem; color: var(--mid); }

/* ============================================
   AI CARDS
   ============================================ */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.ai-card {
  background: linear-gradient(135deg, var(--navy), #1a3a7a);
  border-radius: var(--radius);
  padding: 28px;
  color: var(--white);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.ai-card::after {
  content: ''; position: absolute;
  top: -30px; right: -30px;
  width: 100px; height: 100px; border-radius: 50%;
  background: rgba(255,90,31,0.12);
}
.ai-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.ai-card-icon { font-size: 2.2rem; margin-bottom: 16px; }
.ai-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.ai-card p { font-size: 0.85rem; color: rgba(255,255,255,0.7); line-height: 1.7; }
.ai-card .ai-tag {
  display: inline-block; margin-top: 14px;
  font-size: 0.72rem; padding: 3px 10px;
  background: rgba(255,90,31,0.2); color: var(--gold);
  border-radius: 10px; border: 1px solid rgba(255,90,31,0.3);
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar { background: var(--orange); padding: 32px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px; text-align: center;
}
.stat-item .stat-num {
  font-size: 2.2rem; font-weight: 900; color: var(--white);
  line-height: 1;
}
.stat-item .stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.8); margin-top: 6px; }

/* ============================================
   NOTICE BAR
   ============================================ */
.notice-bar {
  background: linear-gradient(90deg, var(--navy), #1a3a7a);
  padding: 10px 0;
}
.notice-inner {
  display: flex; align-items: center; gap: 12px;
  overflow: hidden;
}
.notice-label {
  background: var(--orange); color: var(--white);
  font-size: 0.75rem; font-weight: 700;
  padding: 3px 10px; border-radius: 4px; flex-shrink: 0;
}
.notice-scroll {
  overflow: hidden; flex: 1;
}
.notice-text {
  display: flex; gap: 40px;
  animation: scroll-left 30s linear infinite;
  white-space: nowrap;
}
.notice-text span { font-size: 0.82rem; color: rgba(255,255,255,0.75); }
@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--navy); padding: 16px; gap: 4px; border-top: 1px solid rgba(255,90,31,0.2); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 16px; border-radius: 6px; }
  .nav-toggle { display: flex; }
  .header-search { display: none; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.6rem; }
  .page-hero h1 { font-size: 1.8rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-qr { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; justify-content: center; }
  .section { padding: 48px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-orange { color: var(--orange); }
.text-navy { color: var(--navy); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.hidden { display: none; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.fw-700 { font-weight: 700; }
.fw-900 { font-weight: 900; }