/* ============================================
   中文字幕 游戏解说视频社区 - 原创样式表
   域名: jn259204.cn
   配色: 暗紫游戏风
   ============================================ */

/* --- CSS Variables --- */
:root {
  --gv-primary: #6C3CE1;
  --gv-primary-dark: #5228B5;
  --gv-secondary: #FF4757;
  --gv-accent: #FFA502;
  --gv-dark: #0F0E17;
  --gv-dark-alt: #1A1631;
  --gv-light: #F5F3FF;
  --gv-text-light: #E8E6F0;
  --gv-text-dark: #1A1A2E;
  --gv-text-muted: #9B97B0;
  --gv-border: rgba(108,60,225,0.2);
  --gv-card-bg: #1E1A33;
  --gv-radius: 12px;
  --gv-radius-sm: 8px;
  --gv-shadow: 0 4px 24px rgba(108,60,225,0.15);
  --gv-shadow-lg: 0 8px 40px rgba(108,60,225,0.25);
  --gv-transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --gv-font: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',sans-serif;
  --gv-max-width: 1280px;
}

/* --- Reset & Base --- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--gv-font);
  background: var(--gv-dark);
  color: var(--gv-text-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--gv-accent); text-decoration: none; transition: var(--gv-transition); }
a:hover { color: var(--gv-secondary); }
img { max-width: 100%; height: auto; display: block; }
ul,ol { list-style: none; }
.gv-container { max-width: var(--gv-max-width); margin: 0 auto; padding: 0 20px; }

/* --- Header --- */
.gv-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(15,14,23,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gv-border);
  transition: var(--gv-transition);
}
.gv-header.scrolled { background: rgba(15,14,23,0.98); box-shadow: var(--gv-shadow); }
.gv-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--gv-max-width); margin: 0 auto; padding: 0 20px; height: 68px;
}
.gv-logo { display: flex; align-items: center; gap: 10px; }
.gv-logo img { height: 42px; width: auto; }
.gv-logo-text { font-size: 1.3rem; font-weight: 700; color: #fff; letter-spacing: 1px; }
.gv-logo-text span { color: var(--gv-accent); }
.gv-nav { display: flex; align-items: center; gap: 6px; }
.gv-nav a {
  padding: 8px 16px; border-radius: var(--gv-radius-sm);
  color: var(--gv-text-light); font-size: 0.92rem; font-weight: 500;
  transition: var(--gv-transition);
}
.gv-nav a:hover, .gv-nav a.active {
  background: rgba(108,60,225,0.18); color: var(--gv-accent);
}

/* --- Search Bar --- */
.gv-search-wrap {
  position: relative; display: flex; align-items: center;
  background: rgba(255,255,255,0.06); border-radius: 24px;
  border: 1px solid var(--gv-border); overflow: hidden;
  max-width: 600px; margin: 12px auto 0; transition: var(--gv-transition);
}
.gv-search-wrap:focus-within { border-color: var(--gv-primary); box-shadow: 0 0 0 3px rgba(108,60,225,0.2); }
.gv-search-input {
  flex: 1; background: transparent; border: none; outline: none;
  padding: 10px 18px; color: #fff; font-size: 0.9rem;
}
.gv-search-input::placeholder { color: var(--gv-text-muted); }
.gv-search-btn {
  background: var(--gv-primary); border: none; padding: 10px 20px;
  color: #fff; cursor: pointer; font-size: 0.9rem; transition: var(--gv-transition);
}
.gv-search-btn:hover { background: var(--gv-primary-dark); }

/* --- Mobile Toggle --- */
.gv-mobile-toggle {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 8px;
}
.gv-mobile-toggle span {
  width: 24px; height: 2px; background: #fff; border-radius: 2px;
  transition: var(--gv-transition);
}

/* --- Hero Section --- */
.gv-hero {
  position: relative; height: 580px; display: flex; align-items: center;
  justify-content: center; overflow: hidden; margin-top: 68px;
}
.gv-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.gv-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,14,23,0.5) 0%, rgba(15,14,23,0.85) 100%);
}
.gv-hero-content {
  position: relative; z-index: 2; text-align: center; padding: 0 20px; max-width: 800px;
}
.gv-hero-content h1 {
  font-size: 2.8rem; font-weight: 800; margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--gv-accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1.3;
}
.gv-hero-content p {
  font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 28px; line-height: 1.8;
}
.gv-hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; }
.gv-hero-tags span {
  padding: 6px 16px; border-radius: 20px; font-size: 0.82rem;
  background: rgba(108,60,225,0.3); border: 1px solid rgba(108,60,225,0.4); color: var(--gv-text-light);
}

/* --- Buttons --- */
.gv-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--gv-radius-sm);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: var(--gv-transition); border: none;
}
.gv-btn-primary { background: var(--gv-primary); color: #fff; }
.gv-btn-primary:hover { background: var(--gv-primary-dark); transform: translateY(-2px); box-shadow: var(--gv-shadow); color: #fff; }
.gv-btn-outline {
  background: transparent; color: var(--gv-accent);
  border: 1.5px solid var(--gv-accent);
}
.gv-btn-outline:hover { background: var(--gv-accent); color: var(--gv-dark); }
.gv-btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.gv-btn-sm-outline { padding: 8px 18px; font-size: 0.82rem; background: transparent; color: var(--gv-accent); border: 1px solid var(--gv-accent); border-radius: var(--gv-radius-sm); cursor: pointer; transition: var(--gv-transition); }
.gv-btn-sm-outline:hover { background: var(--gv-accent); color: var(--gv-dark); }

/* --- Section --- */
.gv-section { padding: 72px 0; }
.gv-section-alt { background: var(--gv-dark-alt); }
.gv-section-light { background: var(--gv-light); color: var(--gv-text-dark); }
.gv-section-title {
  text-align: center; margin-bottom: 48px;
}
.gv-section-title h2 {
  font-size: 2rem; font-weight: 700; margin-bottom: 12px;
  color: #fff; position: relative; display: inline-block;
}
.gv-section-light .gv-section-title h2 { color: var(--gv-text-dark); }
.gv-section-title h2::after {
  content: ''; display: block; width: 48px; height: 3px;
  background: var(--gv-accent); margin: 12px auto 0; border-radius: 2px;
}
.gv-section-title p { color: var(--gv-text-muted); font-size: 0.95rem; max-width: 600px; margin: 0 auto; }
.gv-section-light .gv-section-title p { color: #666; }

/* --- Stats Bar --- */
.gv-stats {
  display: flex; justify-content: center; gap: 48px; padding: 32px 0;
  background: linear-gradient(90deg, var(--gv-dark-alt) 0%, var(--gv-dark) 50%, var(--gv-dark-alt) 100%);
  border-top: 1px solid var(--gv-border); border-bottom: 1px solid var(--gv-border);
}
.gv-stat-item { text-align: center; }
.gv-stat-num { font-size: 2rem; font-weight: 800; color: var(--gv-accent); }
.gv-stat-label { font-size: 0.85rem; color: var(--gv-text-muted); margin-top: 4px; }

/* --- Video Card Grid --- */
.gv-video-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.gv-video-card {
  background: var(--gv-card-bg); border-radius: var(--gv-radius);
  overflow: hidden; transition: var(--gv-transition);
  border: 1px solid transparent; cursor: pointer;
}
.gv-video-card:hover {
  transform: translateY(-6px); border-color: var(--gv-primary);
  box-shadow: var(--gv-shadow-lg);
}
.gv-video-thumb {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
}
.gv-video-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.gv-video-card:hover .gv-video-thumb img { transform: scale(1.08); }
.gv-video-play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.4); opacity: 0; transition: var(--gv-transition);
}
.gv-video-card:hover .gv-video-play { opacity: 1; }
.gv-video-play::after {
  content: '▶'; font-size: 2.5rem; color: #fff;
  width: 56px; height: 56px; display: flex; align-items: center; justify-content: center;
  background: rgba(108,60,225,0.85); border-radius: 50%;
}
.gv-video-duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.75); color: #fff; padding: 2px 8px;
  border-radius: 4px; font-size: 0.75rem;
}
.gv-video-info { padding: 14px; }
.gv-video-info h3 { font-size: 0.92rem; font-weight: 600; margin-bottom: 8px; color: #fff; line-height: 1.4; }
.gv-video-meta { display: flex; justify-content: space-between; align-items: center; }
.gv-video-meta span { font-size: 0.78rem; color: var(--gv-text-muted); }
.gv-video-tag {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: 0.72rem; background: rgba(108,60,225,0.2); color: var(--gv-primary);
}

/* --- Feature Cards --- */
.gv-feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.gv-feature-card {
  background: var(--gv-card-bg); border-radius: var(--gv-radius);
  padding: 32px 24px; text-align: center; transition: var(--gv-transition);
  border: 1px solid var(--gv-border);
}
.gv-feature-card:hover {
  transform: translateY(-4px); border-color: var(--gv-primary);
  box-shadow: var(--gv-shadow);
}
.gv-feature-icon {
  width: 64px; height: 64px; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--gv-primary), var(--gv-secondary));
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}
.gv-feature-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; color: #fff; }
.gv-feature-card p { font-size: 0.85rem; color: var(--gv-text-muted); line-height: 1.6; }

/* --- Expert Cards --- */
.gv-expert-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.gv-expert-card {
  background: var(--gv-card-bg); border-radius: var(--gv-radius);
  padding: 28px 20px; text-align: center; transition: var(--gv-transition);
  border: 1px solid var(--gv-border);
}
.gv-expert-card:hover { transform: translateY(-4px); box-shadow: var(--gv-shadow); }
.gv-expert-avatar {
  width: 96px; height: 96px; border-radius: 50%; overflow: hidden;
  margin: 0 auto 16px; border: 3px solid var(--gv-primary);
}
.gv-expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.gv-expert-info h3 { font-size: 1rem; font-weight: 600; color: #fff; }
.gv-expert-role { font-size: 0.82rem; color: var(--gv-accent); margin: 4px 0 10px; }
.gv-expert-card p { font-size: 0.82rem; color: var(--gv-text-muted); line-height: 1.5; margin-bottom: 14px; }
.gv-expert-btns { display: flex; gap: 8px; justify-content: center; }

/* --- Community Cards --- */
.gv-community-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.gv-community-card {
  background: var(--gv-card-bg); border-radius: var(--gv-radius);
  padding: 28px; transition: var(--gv-transition);
  border: 1px solid var(--gv-border);
}
.gv-community-card:hover { transform: translateY(-4px); box-shadow: var(--gv-shadow); }
.gv-community-card h3 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 10px; }
.gv-community-card p { font-size: 0.85rem; color: var(--gv-text-muted); line-height: 1.6; }

/* --- AI Cards --- */
.gv-ai-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.gv-ai-card {
  background: linear-gradient(135deg, var(--gv-card-bg) 0%, rgba(108,60,225,0.1) 100%);
  border-radius: var(--gv-radius); padding: 32px 24px;
  border: 1px solid var(--gv-border); transition: var(--gv-transition);
}
.gv-ai-card:hover { transform: translateY(-4px); box-shadow: var(--gv-shadow-lg); }
.gv-ai-card h3 { font-size: 1.05rem; font-weight: 600; color: #fff; margin-bottom: 10px; }
.gv-ai-card p { font-size: 0.85rem; color: var(--gv-text-muted); line-height: 1.6; }

/* --- Partner Wall --- */
.gv-partner-wall {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 32px; align-items: center;
}
.gv-partner-logo {
  width: 120px; height: 60px; background: rgba(255,255,255,0.06);
  border-radius: var(--gv-radius-sm); display: flex; align-items: center;
  justify-content: center; font-size: 0.85rem; color: var(--gv-text-muted);
  border: 1px solid var(--gv-border); transition: var(--gv-transition);
}
.gv-partner-logo:hover { border-color: var(--gv-primary); color: var(--gv-accent); }

/* --- HowTo Steps --- */
.gv-howto-steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  counter-reset: step;
}
.gv-howto-step {
  background: var(--gv-card-bg); border-radius: var(--gv-radius);
  padding: 28px 20px; text-align: center; position: relative;
  border: 1px solid var(--gv-border); transition: var(--gv-transition);
}
.gv-howto-step:hover { transform: translateY(-4px); box-shadow: var(--gv-shadow); }
.gv-howto-step::before {
  counter-increment: step;
  content: counter(step);
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gv-primary); color: #fff; font-weight: 700;
  margin: 0 auto 16px; font-size: 1.1rem;
}
.gv-howto-step h3 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 8px; }
.gv-howto-step p { font-size: 0.85rem; color: var(--gv-text-muted); }

/* --- FAQ --- */
.gv-faq-list { max-width: 800px; margin: 0 auto; }
.gv-faq-item {
  background: var(--gv-card-bg); border-radius: var(--gv-radius);
  margin-bottom: 12px; border: 1px solid var(--gv-border);
  overflow: hidden; transition: var(--gv-transition);
}
.gv-faq-item:hover { border-color: var(--gv-primary); }
.gv-faq-q {
  padding: 18px 24px; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-weight: 600; color: #fff; font-size: 0.95rem;
}
.gv-faq-q::after { content: '+'; font-size: 1.3rem; color: var(--gv-accent); transition: var(--gv-transition); }
.gv-faq-item.open .gv-faq-q::after { content: '−'; }
.gv-faq-a {
  padding: 0 24px; max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  font-size: 0.88rem; color: var(--gv-text-muted); line-height: 1.7;
}
.gv-faq-item.open .gv-faq-a { max-height: 300px; padding: 0 24px 18px; }

/* --- Reviews --- */
.gv-review-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.gv-review-card {
  background: var(--gv-card-bg); border-radius: var(--gv-radius);
  padding: 24px; border: 1px solid var(--gv-border);
  transition: var(--gv-transition);
}
.gv-review-card:hover { transform: translateY(-3px); box-shadow: var(--gv-shadow); }
.gv-review-stars { color: var(--gv-accent); font-size: 0.9rem; margin-bottom: 10px; }
.gv-review-text { font-size: 0.88rem; color: var(--gv-text-muted); line-height: 1.6; margin-bottom: 14px; font-style: italic; }
.gv-review-author { font-size: 0.82rem; color: var(--gv-accent); font-weight: 600; }

/* --- Contact Grid --- */
.gv-contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start;
}
.gv-contact-info { }
.gv-contact-item {
  display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start;
}
.gv-contact-item .label { font-size: 0.85rem; color: var(--gv-text-muted); min-width: 80px; }
.gv-contact-item .value { font-size: 0.92rem; color: #fff; }
.gv-qr-grid { display: flex; gap: 24px; }
.gv-qr-item { text-align: center; }
.gv-qr-item img { width: 140px; height: 140px; border-radius: var(--gv-radius-sm); margin-bottom: 8px; }
.gv-qr-item p { font-size: 0.82rem; color: var(--gv-text-muted); }

/* --- Share Bar --- */
.gv-share-bar { display: flex; justify-content: center; gap: 16px; padding: 24px 0; }
.gv-share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: 24px; font-size: 0.85rem;
  color: #fff; cursor: pointer; transition: var(--gv-transition); border: none;
}
.gv-share-btn:hover { transform: translateY(-2px); opacity: 0.9; }
.gv-share-wechat { background: #07C160; }
.gv-share-weibo { background: #E6162D; }
.gv-share-douyin { background: #161823; border: 1px solid #444; }
.gv-share-bilibili { background: #00A1D6; }

/* --- Tabs --- */
.gv-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.gv-tab {
  padding: 8px 20px; border-radius: 20px; font-size: 0.88rem;
  background: rgba(108,60,225,0.12); color: var(--gv-text-muted);
  cursor: pointer; transition: var(--gv-transition); border: 1px solid transparent;
}
.gv-tab:hover, .gv-tab.active { background: var(--gv-primary); color: #fff; border-color: var(--gv-primary); }

/* --- Footer --- */
.gv-footer {
  background: #0A0918; border-top: 1px solid var(--gv-border); padding: 48px 0 0;
}
.gv-footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 32px;
}
.gv-footer-brand p { font-size: 0.85rem; color: var(--gv-text-muted); line-height: 1.6; margin-top: 12px; }
.gv-footer-links h4 { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
.gv-footer-links a { display: block; font-size: 0.85rem; color: var(--gv-text-muted); padding: 4px 0; }
.gv-footer-links a:hover { color: var(--gv-accent); }
.gv-footer-bottom {
  border-top: 1px solid var(--gv-border); padding: 20px 0;
  text-align: center; font-size: 0.82rem; color: var(--gv-text-muted);
}

/* --- MCP Widget (Decorative) --- */
.gv-mcp-widget {
  background: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
  border-radius: var(--gv-radius); padding: 20px;
  color: rgba(255,255,255,0.8); font-size: 0.82rem; margin-top: 20px;
}
.gv-mcp-widget .rccun8 { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.gv-mcp-widget .zf5707r {
  width: 8px; height: 8px; background: #00FF88;
  border-radius: 50%; animation: gvPulse 2s infinite;
}
@keyframes gvPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* --- Back to Top --- */
.gv-back-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gv-primary); color: #fff; border: none;
  cursor: pointer; font-size: 1.2rem; display: none;
  align-items: center; justify-content: center;
  box-shadow: var(--gv-shadow); transition: var(--gv-transition);
}
.gv-back-top.visible { display: flex; }
.gv-back-top:hover { background: var(--gv-primary-dark); transform: translateY(-3px); }

/* --- Breadcrumb --- */
.gv-breadcrumb {
  padding: 16px 0; font-size: 0.85rem; color: var(--gv-text-muted);
}
.gv-breadcrumb a { color: var(--gv-accent); }
.gv-breadcrumb span { margin: 0 8px; }

/* --- Page Hero (Inner pages) --- */
.gv-page-hero {
  background: linear-gradient(135deg, var(--gv-dark) 0%, var(--gv-dark-alt) 100%);
  padding: 100px 0 48px; margin-top: 68px; text-align: center;
}
.gv-page-hero h1 { font-size: 2.2rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.gv-page-hero p { color: var(--gv-text-muted); font-size: 1rem; }

/* --- Lazy Load --- */
.gv-lazy { opacity: 0; transition: opacity 0.5s ease; }
.gv-lazy.loaded { opacity: 1; }

/* --- Animation --- */
@keyframes gvFadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.gv-animate { animation: gvFadeInUp 0.6s ease forwards; }

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

@media (max-width: 768px) {
  .gv-nav { display: none; position: fixed; top: 68px; left: 0; right: 0;
    background: rgba(15,14,23,0.98); flex-direction: column; padding: 20px;
    border-bottom: 1px solid var(--gv-border); gap: 4px;
  }
  .gv-nav.open { display: flex; }
  .gv-mobile-toggle { display: flex; }
  .gv-hero { height: 480px; }
  .gv-hero-content h1 { font-size: 1.8rem; }
  .gv-stats { flex-wrap: wrap; gap: 24px; }
  .gv-review-grid { grid-template-columns: 1fr; }
  .gv-community-grid { grid-template-columns: 1fr; }
  .gv-ai-grid { grid-template-columns: 1fr; }
  .gv-contact-grid { grid-template-columns: 1fr; }
  .gv-footer-grid { grid-template-columns: 1fr; }
  .gv-section { padding: 48px 0; }
  .gv-section-title h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .gv-video-grid { grid-template-columns: 1fr; }
  .gv-expert-grid { grid-template-columns: 1fr; }
  .gv-feature-grid { grid-template-columns: 1fr; }
  .gv-hero { height: 380px; }
  .gv-hero-content h1 { font-size: 1.5rem; }
  .gv-howto-steps { grid-template-columns: 1fr; }
}