/* =============================================
   vwin德赢官网首页 - 德赢vwin官网登录入口
   设计风格：柔光杂志风 · 珊瑚粉+薄荷绿
   灵感：Awwwards杂志式排版 · 渐变卡片层叠
   ============================================= */

/* 基础重置 */
*, *::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: #faf7f2; /* 暖白基底 */
  color: #2d3e3a;
  line-height: 1.6;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position: relative; }
.section:nth-child(even) { 
  background: linear-gradient(135deg, #f0f5f3 0%, #faf7f2 100%);
}

/* 导航 — 固定顶部，半透明磨砂玻璃 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(250, 247, 242, 0.88); 
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(175, 190, 180, 0.25);
  box-shadow: 0 4px 30px rgba(0,0,0,0.03);
}
.header-inner { 
  display:flex; align-items:center; justify-content:space-between; 
  height:72px; max-width:1200px; margin:0 auto; padding:0 24px;
}
.logo { 
  display:flex; align-items:center; gap:10px; 
  font-weight:700; font-size:1.3rem; text-decoration:none; 
  color: #2d3e3a;
  letter-spacing: -0.3px;
}
.logo-icon { 
  width:40px; height:40px; border-radius:12px; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.2rem; 
  background: linear-gradient(135deg, #f7a1b5 0%, #b5d6c4 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(247, 161, 181, 0.3);
}
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:500; 
  color: #4a5e58; transition:0.25s ease;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f7a1b5, #b5d6c4);
  transition: width 0.35s ease;
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: #c96a7f; }
.nav-cta { 
  padding:10px 24px; border-radius:50px; 
  color:#fff!important; font-weight:600; 
  background: linear-gradient(135deg, #f7a1b5, #d48b9e);
  box-shadow: 0 4px 16px rgba(247, 161, 181, 0.3);
  transition: all 0.3s ease;
}
.nav-cta::after { display: none!important; }
.nav-cta:hover { 
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(247, 161, 181, 0.4);
}
.menu-toggle { display:none; }

/* 首页Hero — 杂志封面感 */
.hero { 
  min-height: 85vh; 
  display:flex; align-items:center; 
  position: relative;
  background: linear-gradient(160deg, #faf7f2 0%, #f0f5f3 100%);
  padding-top: 72px;
}
.hero::before {
  content: '';
  position: absolute;
  right: -10%;
  top: 10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247,161,181,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  left: -5%;
  bottom: 0%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181,214,196,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { 
  max-width: 680px; 
  position: relative;
  z-index: 2;
}
.hero-eyebrow { 
  display:inline-block; 
  font-size:0.75rem; font-weight:700; 
  letter-spacing: 3px;
  text-transform: uppercase;
  padding:6px 18px; border-radius:50px; 
  margin-bottom:20px; 
  background: rgba(247, 161, 181, 0.15);
  color: #c96a7f;
  border: 1px solid rgba(247, 161, 181, 0.25);
}
.hero h1 { 
  font-size:3.2rem; line-height:1.15; margin-bottom:18px; 
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #1d2e2a;
}
.hero h1 .text-accent {
  background: linear-gradient(135deg, #f7a1b5, #b5d6c4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { 
  font-size:1.1rem; 
  color: #5a6e68;
  max-width:540px; margin-bottom:36px; 
  line-height: 1.7;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow: 0 20px 60px rgba(45, 62, 58, 0.08);
  position: relative;
  z-index: 2;
}
.hero-image img { width:100%; height:auto; display: block; }

/* 按钮 */
.btn { 
  display:inline-flex; align-items:center; gap:10px; 
  padding:14px 32px; border-radius:50px; 
  font-weight:600; cursor:pointer; border:none; 
  text-decoration:none; transition:0.3s ease; 
  font-size: 0.95rem;
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, #f7a1b5, #d48b9e);
  box-shadow: 0 4px 20px rgba(247, 161, 181, 0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(247, 161, 181, 0.4);
}
.btn-outline { 
  background:transparent; 
  border:1.5px solid #b5d6c4; 
  color: #2d3e3a;
}
.btn-outline:hover {
  background: rgba(181, 214, 196, 0.1);
  border-color: #a0c4b2;
  transform: translateY(-2px);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; 
  font-size:0.7rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:12px; 
  text-transform: uppercase;
  color: #c96a7f;
  padding: 4px 0;
  border-bottom: 2px solid rgba(247, 161, 181, 0.3);
}
.section-title { 
  font-size:2.2rem; margin-bottom:14px; 
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #1d2e2a;
}
.section-desc { 
  max-width:600px; 
  color: #5a6e68;
  margin-bottom:44px; 
  font-size: 1.05rem;
}

/* 卡片网格 — 层叠杂志卡片 */
.cards-grid { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:28px; 
}
.category-card { 
  border-radius:20px; 
  padding:32px 28px; 
  border: 1px solid rgba(175, 190, 180, 0.2);
  background: #fff;
  transition:0.35s ease; 
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(45, 62, 58, 0.04);
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #f7a1b5, #b5d6c4);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.category-card:hover::before { opacity: 1; }
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 40px rgba(45,62,58,0.08);
  border-color: rgba(247, 161, 181, 0.2);
}
.card-icon { 
  width:52px; height:52px; border-radius:16px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.4rem; 
  background: linear-gradient(135deg, #f7a1b5, #ffd0da);
  color: #fff;
  box-shadow: 0 4px 12px rgba(247, 161, 181, 0.2);
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color: #c96a7f;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}
.card-link:hover { gap: 12px; }

/* 特性块 */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:60px; 
  align-items:center; 
}
.feature-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow: 0 16px 48px rgba(45, 62, 58, 0.06);
}
.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;
}
.feature-list li::before { 
  content:'✓'; font-weight:700; 
  color: #b5d6c4;
  font-size: 1.2rem;
}

/* 数据条 */
.stats-bar { 
  display:grid; 
  grid-template-columns:repeat(4,1fr); 
  gap:20px; 
  text-align:center; 
}
.stat-item { 
  padding:32px 16px; 
  border-radius:20px; 
  background: #fff;
  border: 1px solid rgba(175, 190, 180, 0.15);
  box-shadow: 0 4px 16px rgba(45,62,58,0.03);
  transition: 0.3s ease;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(45,62,58,0.06);
}
.stat-number { 
  font-size:2.6rem; font-weight:800; 
  background: linear-gradient(135deg, #f7a1b5, #b5d6c4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size:0.9rem; color: #6a7e78; 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: #fff;
  border: 1px solid rgba(175, 190, 180, 0.15);
  transition:0.35s ease; 
  box-shadow: 0 4px 16px rgba(45,62,58,0.03);
}
.content-wall-item:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 40px rgba(45,62,58,0.08);
}
.content-wall-item img { 
  width:100%; height:220px; object-fit:cover; 
  transition: transform 0.5s ease;
}
.content-wall-item:hover img { transform: scale(1.03); }
.content-wall-body { padding:24px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 1px solid rgba(175, 190, 180, 0.2); 
  border-radius:16px; margin-bottom:10px; 
  overflow:hidden; cursor:pointer; 
  background: #fff;
  transition: 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(247, 161, 181, 0.3);
  box-shadow: 0 4px 16px rgba(247, 161, 181, 0.05);
}
.faq-item .faq-question { 
  padding:18px 24px; font-weight:600; 
  display:flex; justify-content:space-between; 
  align-items: center;
  color: #1d2e2a;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #f7a1b5;
  transition: transform 0.3s ease;
}
.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-item .faq-answer { 
  padding:0 24px 20px; display:none; 
  color: #5a6e68;
  line-height: 1.7;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 32px; text-align:center; 
  border-radius:24px; 
  background: linear-gradient(135deg, #f7a1b5 0%, #d48b9e 50%, #b5d6c4 100%);
  color:#fff; 
  box-shadow: 0 20px 60px rgba(247, 161, 181, 0.25);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}
.cta-banner h2 { 
  color:#fff; 
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 28px; }
.cta-banner .btn-primary { 
  background:#fff; 
  color: #c96a7f;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

/* 页脚 */
.site-footer { 
  padding:60px 0 28px; 
  background: #1d2e2a;
  color: rgba(255,255,255,0.8);
}
.site-footer .container { }
.footer-grid { 
  display:grid; 
  grid-template-columns:2fr 1fr 1fr 1fr; 
  gap:48px; 
}
.footer-brand { }
.footer-brand .logo { color: #fff; }
.footer-brand p { margin-top: 16px; opacity: 0.7; font-size: 0.9rem; }
.footer-col h4 { 
  color: #fff; 
  font-weight: 600; 
  margin-bottom: 16px;
  font-size: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { 
  color: rgba(255,255,255,0.6); 
  text-decoration: none;
  transition: 0.2s ease;
}
.footer-col a:hover { color: #f7a1b5; }
.footer-bottom { 
  border-top:1px solid rgba(255,255,255,0.08); 
  margin-top:40px; padding-top:24px; 
  text-align:center; font-size:0.85rem; 
  opacity: 0.6;
}

/* 工具类 */
.text-accent { 
  color: #c96a7f;
}
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; margin:0 auto 48px; 
  color: #5a6e68;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
  .feature-block { grid-template-columns:1fr; gap: 40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap: 16px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap: 32px; }
  .main-nav { display:none; }
  .menu-toggle { 
    display:flex; 
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: #2d3e3a;
  }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:72px; left:0; width:100%; 
    background: rgba(250, 247, 242, 0.98);
    backdrop-filter: blur(16px);
    padding:24px 28px;
    gap: 16px;
    border-bottom: 1px solid rgba(175, 190, 180, 0.2);
    box-shadow: 0 8px 30px rgba(0,0,0,0.04);
  }
  .hero-image { margin-top: 32px; }
}
@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap: 28px; }
  .hero-buttons { flex-direction:column; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
  .stat-number { font-size: 2rem; }
}