/* 每日大赛免费在线观看 - 独特视觉风格 */
/* 风格：柔和渐变+毛玻璃+圆润卡片，灵感来自Awwwards获奖的“超现实柔光”风格 */
/* 配色：浅薄荷绿 + 淡紫 + 奶油白，拒绝黑色/深色 */

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { 
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; 
  overflow-x:hidden; 
  background: linear-gradient(135deg, #f0faf5 0%, #f8f0ff 50%, #fff9f0 100%);
  color: #2d3e4f;
  min-height: 100vh;
}

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position: relative; }
.section:nth-child(even) { 
  background: rgba(255,255,255,0.5); 
  backdrop-filter: blur(12px);
  border-radius: 40px;
  margin: 20px 0;
  box-shadow: 0 8px 32px rgba(120, 180, 200, 0.08);
}

/* 导航 — 毛玻璃质感 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(255,255,255,0.7); 
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(180, 220, 210, 0.3);
  box-shadow: 0 2px 20px rgba(160, 200, 190, 0.05);
}
.header-inner { 
  display:flex; align-items:center; justify-content:space-between; 
  height:68px; max-width:1200px; margin:0 auto; padding:0 24px; 
}
.logo { 
  display:flex; align-items:center; gap:10px; 
  font-weight:800; font-size:1.3rem; text-decoration:none; 
  color: #2d6b5e; 
  letter-spacing: -0.5px;
}
.logo-icon { 
  width:40px; height:40px; border-radius:16px; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.1rem; 
  background: linear-gradient(135deg, #7ec8b8, #b8a9e8);
  color: white;
  box-shadow: 0 4px 12px rgba(126, 200, 184, 0.3);
}
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.95rem; font-weight:500; 
  color: #3d5a6e; 
  transition:0.3s; 
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7ec8b8, #b8a9e8);
  transition: width 0.3s;
}
.main-nav a:hover { color: #2d6b5e; }
.main-nav a:hover::after { width: 100%; }
.nav-cta { 
  padding:10px 24px; border-radius:50px; 
  color:#fff!important; font-weight:600; 
  background: linear-gradient(135deg, #7ec8b8, #a8d8c8);
  box-shadow: 0 4px 14px rgba(126, 200, 184, 0.3);
  transition: all 0.3s;
}
.nav-cta:hover { 
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(126, 200, 184, 0.4);
}
.nav-cta::after { display: none !important; }
.menu-toggle { display:none; }

/* 首页Hero — 柔和渐变背景 */
.hero { 
  min-height:75vh; display:flex; align-items:center; 
  position: relative;
  background: radial-gradient(ellipse at 20% 50%, rgba(126, 200, 184, 0.1) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(184, 169, 232, 0.08) 0%, transparent 60%);
}
.hero-content { max-width:720px; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:600; 
  padding:6px 18px; border-radius:50px; margin-bottom:18px; 
  background: rgba(126, 200, 184, 0.15);
  color: #2d6b5e;
  letter-spacing: 1px;
}
.hero h1 { 
  font-size:3rem; line-height:1.15; margin-bottom:20px; 
  font-weight: 800;
  background: linear-gradient(135deg, #1a4a40, #2d6b5e, #5a4e8a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { 
  font-size:1.15rem; 
  color: #4a6a7a; 
  max-width:560px; margin-bottom:36px; 
  line-height: 1.7;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:24px; overflow:hidden; 
  box-shadow: 0 20px 60px rgba(120, 180, 200, 0.15);
  transform: perspective(800px) rotateY(-3deg);
  transition: transform 0.5s;
}
.hero-image:hover {
  transform: perspective(800px) rotateY(0deg);
}
.hero-image img { width:100%; height:auto; display: block; }

/* 按钮 — 圆润柔和 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:14px 32px; border-radius:50px; 
  font-weight:600; cursor:pointer; border:none; text-decoration:none; 
  transition:0.3s; 
  font-size: 0.95rem;
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, #7ec8b8, #6ab8a8);
  box-shadow: 0 4px 16px rgba(126, 200, 184, 0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(126, 200, 184, 0.4);
}
.btn-outline { 
  background:transparent; 
  border:2px solid #b8c8d0; 
  color: #3d5a6e;
}
.btn-outline:hover {
  border-color: #7ec8b8;
  background: rgba(126, 200, 184, 0.05);
  transform: translateY(-2px);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.75rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:14px; 
  color: #7ec8b8;
  text-transform: uppercase;
}
.section-title { 
  font-size:2.2rem; margin-bottom:16px; 
  font-weight: 800;
  color: #1a4a40;
  line-height: 1.2;
}
.section-desc { 
  max-width:600px; 
  color: #5a7a8a; 
  margin-bottom:44px; 
  font-size: 1.05rem;
  line-height: 1.7;
}

/* 卡片网格 — 毛玻璃卡片 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.category-card { 
  border-radius:20px; padding:32px; 
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(180, 220, 210, 0.2);
  transition:0.4s; 
  box-shadow: 0 4px 20px rgba(120, 180, 200, 0.06);
}
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 40px rgba(126, 200, 184, 0.15);
  background: rgba(255,255,255,0.9);
  border-color: rgba(126, 200, 184, 0.3);
}
.card-icon { 
  width:52px; height:52px; border-radius:16px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.5rem; 
  background: linear-gradient(135deg, #e8f5f0, #f0e8ff);
  color: #2d6b5e;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color: #7ec8b8;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s;
}
.card-link:hover { gap: 8px; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { 
  border-radius:24px; overflow:hidden; 
  box-shadow: 0 16px 48px rgba(120, 180, 200, 0.1);
}
.feature-image img { width:100%; height:auto; display: block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px; 
  font-size: 1rem;
  color: #3d5a6e;
}
.feature-list li::before { 
  content:'✓'; font-weight:700; 
  color: #7ec8b8;
  font-size: 1.2rem;
}

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { 
  padding:28px 16px; border-radius:20px; 
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(180, 220, 210, 0.15);
  transition: 0.3s;
}
.stat-item:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-3px);
}
.stat-number { 
  font-size:2.4rem; font-weight:800; 
  background: linear-gradient(135deg, #2d6b5e, #5a4e8a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size:0.9rem; color: #6a8a9a; margin-top:8px; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:28px; }
.content-wall-item { 
  border-radius:20px; overflow:hidden; 
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(180, 220, 210, 0.15);
  transition:0.4s; 
}
.content-wall-item:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 40px rgba(126, 200, 184, 0.12);
  background: rgba(255,255,255,0.9);
}
.content-wall-item img { 
  width:100%; height:200px; object-fit:cover; 
  transition: transform 0.5s;
}
.content-wall-item:hover img { transform: scale(1.05); }
.content-wall-body { padding:24px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 1px solid rgba(180, 220, 210, 0.2); 
  border-radius:16px; margin-bottom:10px; 
  overflow:hidden; cursor:pointer; 
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
  transition: 0.3s;
}
.faq-item:hover {
  background: rgba(255,255,255,0.8);
}
.faq-item .faq-question { 
  padding:18px 24px; font-weight:600; 
  display:flex; justify-content:space-between; 
  color: #1a4a40;
  font-size: 1.05rem;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #7ec8b8;
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; 
  color: #5a7a8a; 
  line-height: 1.7;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 32px; text-align:center; border-radius:28px; 
  background: linear-gradient(135deg, #7ec8b8, #b8a9e8);
  box-shadow: 0 16px 48px rgba(126, 200, 184, 0.25);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: shimmer 6s infinite;
}
@keyframes shimmer {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10%, 10%); }
}
.cta-banner h2 { 
  color:#fff; 
  font-size: 2rem;
  position: relative;
  z-index: 1;
}
.cta-banner p {
  color: rgba(255,255,255,0.9);
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
}
.cta-banner .btn-primary { 
  background:#fff; 
  color: #2d6b5e;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* 页脚 */
.site-footer { 
  padding:64px 0 32px; 
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(180, 220, 210, 0.2);
  margin-top: 40px;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand p {
  color: #5a7a8a;
  line-height: 1.7;
}
.footer-col h4 {
  color: #1a4a40;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-col a {
  display: block;
  color: #5a7a8a;
  text-decoration: none;
  padding: 4px 0;
  transition: 0.3s;
}
.footer-col a:hover {
  color: #2d6b5e;
  padding-left: 4px;
}
.footer-bottom { 
  border-top: 1px solid rgba(180, 220, 210, 0.2); 
  margin-top:40px; padding-top:24px; 
  text-align:center; font-size:0.85rem; 
  color: #6a8a9a;
}

/* 工具类 */
.text-accent { color: #7ec8b8; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; color: #5a7a8a; line-height: 1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap: 32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap: 32px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:68px; left:0; width:100%; 
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    padding:24px; 
    gap: 16px;
    border-bottom: 1px solid rgba(180, 220, 210, 0.2);
  }
  .hero h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
}
@media (max-width: 480px) {
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-buttons { flex-direction:column; }
  .hero h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.5rem; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
}