/* 银河国际pg - 星际流体 · 渐变玻璃态 */
/* 独特视觉语言：柔白背景 + 星云渐变 + 玻璃拟态 + 浮动光晕 */

*, *::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: #faf9f6; /* 暖白底 */
  color: #1a1a2e;
  line-height:1.6;
}

/* 背景装饰：流动光晕 */
body::before {
  content:'';
  position:fixed;
  top:-30%;
  right:-20%;
  width:70vw;
  height:70vw;
  background: radial-gradient(circle at 30% 40%, rgba(255,183,197,0.25) 0%, rgba(255,232,184,0.15) 50%, transparent 70%);
  border-radius:50%;
  z-index:-1;
  pointer-events:none;
  animation: floatGlow 12s ease-in-out infinite alternate;
}

body::after {
  content:'';
  position:fixed;
  bottom:-20%;
  left:-10%;
  width:60vw;
  height:60vw;
  background: radial-gradient(circle at 70% 60%, rgba(183,223,255,0.2) 0%, rgba(200,240,220,0.1) 50%, transparent 70%);
  border-radius:50%;
  z-index:-1;
  pointer-events:none;
  animation: floatGlow 15s ease-in-out infinite alternate-reverse;
}

@keyframes floatGlow {
  0% { transform: translate(0,0) scale(1); opacity:0.6; }
  100% { transform: translate(40px,-30px) scale(1.1); opacity:1; }
}

/* 玻璃态通用 */
.glass {
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 8px 32px rgba(0,0,0,0.04);
}

.container { max-width:1200px; margin:0 auto; padding:0 24px; }

.section { padding:80px 0; position:relative; }

.section:nth-child(even) { background: rgba(255,255,255,0.35); backdrop-filter: blur(4px); }

/* 导航 */
.site-header {
  position:fixed;
  top:0; left:0; width:100%;
  z-index:1000;
  background: rgba(250,249,246,0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 2px 20px rgba(0,0,0,0.02);
}

.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:700;
  font-size:1.25rem;
  text-decoration:none;
  color:#1a1a2e;
  letter-spacing:-0.3px;
}

.logo-icon {
  width:40px;
  height:40px;
  border-radius:50%;
  background: linear-gradient(135deg, #f9a8d4, #a78bfa);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  color:#fff;
  box-shadow: 0 4px 12px rgba(167,139,250,0.25);
}

.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:#3a3a4e;
  transition:0.25s;
  position:relative;
  padding:4px 0;
}

.main-nav a::after {
  content:'';
  position:absolute;
  bottom:-2px;
  left:0;
  width:0;
  height:2px;
  background: linear-gradient(90deg, #f9a8d4, #a78bfa);
  transition:0.3s;
}

.main-nav a:hover { color:#1a1a2e; }
.main-nav a:hover::after { width:100%; }

.nav-cta {
  padding:8px 22px;
  border-radius:40px;
  color:#fff!important;
  font-weight:600;
  background: linear-gradient(135deg, #f9a8d4, #a78bfa);
  box-shadow: 0 4px 14px rgba(167,139,250,0.3);
  transition:0.3s;
}

.nav-cta::after { display:none!important; }
.nav-cta:hover { transform:translateY(-1px); box-shadow: 0 6px 20px rgba(167,139,250,0.4); }

.menu-toggle { display:none; }

/* Hero */
.hero {
  min-height:80vh;
  display:flex;
  align-items:center;
  position:relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.3) 0%, rgba(255,232,184,0.12) 100%);
}

.hero-content { max-width:720px; }

.hero-eyebrow {
  display:inline-block;
  font-size:0.8rem;
  font-weight:700;
  letter-spacing:2px;
  padding:6px 18px;
  border-radius:40px;
  margin-bottom:20px;
  background: rgba(167,139,250,0.12);
  color:#7c3aed;
  border:1px solid rgba(167,139,250,0.2);
}

.hero h1 {
  font-size:3.2rem;
  line-height:1.15;
  margin-bottom:18px;
  font-weight:800;
  letter-spacing:-1px;
  background: linear-gradient(135deg, #1a1a2e 40%, #7c3aed 70%, #f9a8d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size:1.15rem;
  opacity:0.7;
  max-width:560px;
  margin-bottom:36px;
  color:#4a4a5e;
}

.hero-buttons { display:flex; gap:16px; }

.hero-image {
  border-radius:20px;
  overflow:hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.06);
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,0.6);
}

.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 32px;
  border-radius:40px;
  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, #a78bfa, #f9a8d4);
  box-shadow: 0 4px 16px rgba(167,139,250,0.25);
}

.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow: 0 8px 28px rgba(167,139,250,0.35);
}

.btn-outline {
  background:rgba(255,255,255,0.5);
  border:1.5px solid rgba(167,139,250,0.3);
  color:#3a3a4e;
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background:rgba(167,139,250,0.08);
  border-color:#a78bfa;
  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:#a78bfa;
  text-transform:uppercase;
}

.section-title {
  font-size:2.2rem;
  margin-bottom:14px;
  font-weight:800;
  letter-spacing:-0.5px;
  color:#1a1a2e;
}

.section-desc {
  max-width:600px;
  opacity:0.7;
  margin-bottom:44px;
  color:#4a4a5e;
  font-size:1.05rem;
}

/* 卡片网格 */
.cards-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:24px;
}

.category-card {
  border-radius:20px;
  padding:32px 28px;
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,0.6);
  transition:0.35s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.category-card:hover {
  transform:translateY(-6px);
  box-shadow: 0 12px 40px rgba(167,139,250,0.12);
  border-color:rgba(167,139,250,0.2);
}

.card-icon {
  width:52px;
  height:52px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  font-size:1.5rem;
  background: linear-gradient(135deg, rgba(249,168,212,0.2), rgba(167,139,250,0.2));
  color:#7c3aed;
}

.card-link {
  font-weight:600;
  font-size:0.85rem;
  text-decoration:none;
  color:#a78bfa;
  display:inline-flex;
  align-items:center;
  gap:4px;
  margin-top:12px;
}

.card-link::after { content:'→'; transition:0.2s; }
.card-link:hover::after { transform:translateX(4px); }

/* 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(0,0,0,0.04);
  background: rgba(255,255,255,0.3);
  backdrop-filter: blur(6px);
  border:1px solid rgba(255,255,255,0.5);
}

.feature-image img { width:100%; height:auto; display:block; }

.feature-text { }

.feature-list { list-style:none; margin-top:8px; }

.feature-list li {
  padding:8px 0;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1rem;
  color:#2a2a3e;
}

.feature-list li::before {
  content:'✦';
  font-weight:700;
  color:#a78bfa;
  font-size:1.1rem;
}

/* 数据条 */
.stats-bar {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  text-align:center;
}

.stat-item {
  padding:28px 20px;
  border-radius:20px;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,0.6);
  transition:0.3s;
}

.stat-item:hover {
  background: rgba(255,255,255,0.7);
  transform:translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.stat-number {
  font-size:2.6rem;
  font-weight:800;
  background: linear-gradient(135deg, #a78bfa, #f9a8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height:1.2;
}

.stat-label {
  font-size:0.9rem;
  opacity:0.6;
  margin-top:6px;
  color:#4a4a5e;
  font-weight:500;
}

/* 内容墙 */
.content-wall {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:24px;
}

.content-wall-item {
  border-radius:20px;
  overflow:hidden;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,0.5);
  transition:0.35s;
}

.content-wall-item:hover {
  transform:translateY(-5px);
  box-shadow: 0 12px 40px rgba(167,139,250,0.1);
}

.content-wall-item img {
  width:100%;
  height:200px;
  object-fit:cover;
}

.content-wall-body { padding:22px 20px 24px; }

.content-wall-body h3 { font-size:1.1rem; margin-bottom:6px; }
.content-wall-body p { font-size:0.9rem; opacity:0.6; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }

.faq-item {
  border:1px solid rgba(255,255,255,0.5);
  border-radius:16px;
  margin-bottom:10px;
  overflow:hidden;
  cursor:pointer;
  background: rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
  transition:0.25s;
}

.faq-item:hover {
  background: rgba(255,255,255,0.55);
  border-color:rgba(167,139,250,0.2);
}

.faq-item .faq-question {
  padding:18px 22px;
  font-weight:600;
  display:flex;
  justify-content:space-between;
  color:#1a1a2e;
  font-size:1rem;
}

.faq-item .faq-question::after {
  content:'+';
  font-size:1.3rem;
  color:#a78bfa;
  transition:0.3s;
}

.faq-item.open .faq-question::after { content:'−'; }

.faq-item .faq-answer {
  padding:0 22px 20px;
  display:none;
  opacity:0.7;
  color:#4a4a5e;
}

.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, #a78bfa 0%, #f9a8d4 100%);
  color:#fff;
  box-shadow: 0 16px 48px rgba(167,139,250,0.2);
  position:relative;
  overflow:hidden;
}

.cta-banner::before {
  content:'';
  position:absolute;
  top:-50%;
  left:-20%;
  width:80%;
  height:200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.15), transparent 60%);
  pointer-events:none;
}

.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:12px; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.85); margin-bottom:24px; position:relative; z-index:1; }

.cta-banner .btn-primary {
  background:#fff;
  color:#7c3aed;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  position:relative;
  z-index:1;
}

.cta-banner .btn-primary:hover {
  transform:translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

/* 页脚 */
.site-footer {
  padding:64px 0 28px;
  background: rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  border-top:1px solid rgba(255,255,255,0.4);
}

.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}

.footer-brand { }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { opacity:0.6; font-size:0.9rem; max-width:300px; }

.footer-col h4 { font-size:0.95rem; font-weight:700; margin-bottom:16px; color:#1a1a2e; }
.footer-col ul { list-style:none; }
.footer-col li { margin-bottom:8px; }
.footer-col a { text-decoration:none; font-size:0.9rem; opacity:0.6; color:#3a3a4e; transition:0.2s; }
.footer-col a:hover { opacity:1; color:#7c3aed; }

.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.3);
  margin-top:48px;
  padding-top:24px;
  text-align:center;
  font-size:0.85rem;
  opacity:0.5;
  color:#4a4a5e;
}

/* 工具类 */
.text-accent { color:#a78bfa; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#4a4a5e; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .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; background:none; border:none; font-size:1.5rem; cursor:pointer; color:#1a1a2e; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:rgba(250,249,246,0.95); backdrop-filter:blur(16px); padding:24px 28px; gap:16px; border-bottom:1px solid rgba(255,255,255,0.4); }
  .hero h1 { font-size:2.4rem; }
  .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:2rem; }
  .section { padding:56px 0; }
  .hero { min-height:60vh; }
}