/* ============================================
   银河国际平台 · 星际极简风
   浅色背景 · 紫罗兰+珊瑚粉主色调
   灵感：宇宙星云与极简几何
   ============================================ */

/* 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: linear-gradient(135deg, #faf5ff 0%, #fff0f5 100%);
    color: #2d1b4e;
    line-height: 1.6;
}

/* 核心布局 — 居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { 
    background: linear-gradient(135deg, #f8f0ff 0%, #ffe8f0 100%);
}

/* 导航 — 固定顶部，半透明玻璃效果 */
.site-header { 
    position:fixed; 
    top:0; 
    left:0; 
    width:100%; 
    z-index:1000; 
    background: rgba(250, 245, 255, 0.85); 
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(180, 140, 255, 0.15);
}
.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: #2d1b4e;
    letter-spacing: -0.5px;
}
.logo-icon { 
    width:38px; 
    height:38px; 
    border-radius:12px; 
    display:flex; 
    align-items:center; 
    justify-content:center; 
    font-size:1.1rem;
    background: linear-gradient(135deg, #b388ff, #ff80ab);
    color: #fff;
    box-shadow: 0 4px 12px rgba(179, 136, 255, 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; 
    transition:0.3s; 
    color: #4a3a6b;
    position: relative;
    padding: 4px 0;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #b388ff, #ff80ab);
    transition: width 0.3s ease;
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: #7c4dff; }
.nav-cta { 
    padding:8px 22px; 
    border-radius:50px; 
    color:#fff!important; 
    font-weight:600; 
    background: linear-gradient(135deg, #b388ff, #ff80ab);
    box-shadow: 0 4px 14px rgba(179, 136, 255, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(179, 136, 255, 0.45); }
.nav-cta::after { display: none !important; }
.menu-toggle { display:none; }

/* 首页Hero — 星云氛围 */
.hero { 
    min-height:75vh; 
    display:flex; 
    align-items:center; 
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(179, 136, 255, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 128, 171, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero-content { 
    max-width:720px; 
    position: relative;
    z-index: 2;
}
.hero-eyebrow { 
    display:inline-block; 
    font-size:0.8rem; 
    font-weight:700; 
    padding:6px 18px; 
    border-radius:50px; 
    margin-bottom:20px;
    background: linear-gradient(135deg, rgba(179, 136, 255, 0.15), rgba(255, 128, 171, 0.15));
    color: #7c4dff;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.hero h1 { 
    font-size:3.2rem; 
    line-height:1.15; 
    margin-bottom:20px; 
    color: #2d1b4e;
    font-weight: 800;
    letter-spacing: -1px;
}
.hero h1 span {
    background: linear-gradient(135deg, #b388ff, #ff80ab);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p { 
    font-size:1.1rem; 
    opacity:0.75; 
    max-width:560px; 
    margin-bottom:36px; 
    color: #4a3a6b;
}
.hero-buttons { 
    display:flex; 
    gap:16px; 
}
.hero-image { 
    border-radius:20px; 
    overflow:hidden; 
    box-shadow: 0 20px 60px rgba(179, 136, 255, 0.15);
    position: relative;
    z-index: 2;
}
.hero-image img { 
    width:100%; 
    height:auto; 
    display: block;
}

/* 按钮 — 圆润渐变风格 */
.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, #b388ff, #ff80ab);
    box-shadow: 0 4px 16px rgba(179, 136, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(179, 136, 255, 0.45); }
.btn-outline { 
    background:transparent; 
    border:2px solid #b388ff; 
    color: #7c4dff;
}
.btn-outline:hover { background: rgba(179, 136, 255, 0.08); transform: translateY(-2px); }

/* 标签/标题 */
.section-label { 
    display:inline-block; 
    font-size:0.75rem; 
    font-weight:700; 
    letter-spacing:3px; 
    margin-bottom:12px;
    color: #b388ff;
    text-transform: uppercase;
}
.section-title { 
    font-size:2.2rem; 
    margin-bottom:14px; 
    color: #2d1b4e;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.section-desc { 
    max-width:600px; 
    opacity:0.7; 
    margin-bottom:40px; 
    color: #4a3a6b;
}

/* 卡片网格 — 柔和阴影+圆角 */
.cards-grid { 
    display:grid; 
    grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); 
    gap:28px; 
}
.category-card { 
    border-radius:20px; 
    padding:32px; 
    border:1px solid rgba(179, 136, 255, 0.12);
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(4px);
    transition:0.3s; 
}
.category-card:hover { 
    transform:translateY(-5px); 
    box-shadow:0 12px 40px rgba(179, 136, 255, 0.15);
    border-color: rgba(179, 136, 255, 0.25);
}
.card-icon { 
    width:52px; 
    height:52px; 
    border-radius:14px; 
    display:flex; 
    align-items:center; 
    justify-content:center; 
    margin-bottom:18px; 
    font-size:1.5rem;
    background: linear-gradient(135deg, rgba(179, 136, 255, 0.12), rgba(255, 128, 171, 0.12));
    color: #7c4dff;
}
.card-link { 
    font-weight:600; 
    font-size:0.85rem; 
    text-decoration:none; 
    color: #b388ff;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.card-link::after { content: '→'; transition: transform 0.2s; }
.card-link:hover::after { transform: translateX(4px); }

/* 特性块 — 左右分割 */
.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(179, 136, 255, 0.12);
}
.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; 
    color: #4a3a6b;
}
.feature-list li::before { 
    content:'✦'; 
    font-weight:700; 
    color: #b388ff;
    font-size: 1.1rem;
}

/* 数据条 — 轻量卡片 */
.stats-bar { 
    display:grid; 
    grid-template-columns:repeat(4,1fr); 
    gap:24px; 
    text-align:center; 
}
.stat-item { 
    padding:28px 20px; 
    border-radius:20px; 
    border:1px solid rgba(179, 136, 255, 0.1);
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(2px);
    transition: 0.3s;
}
.stat-item:hover { background: rgba(255,255,255,0.8); box-shadow: 0 8px 24px rgba(179, 136, 255, 0.08); }
.stat-number { 
    font-size:2.4rem; 
    font-weight:800; 
    background: linear-gradient(135deg, #b388ff, #ff80ab);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label { 
    font-size:0.9rem; 
    opacity:0.6; 
    margin-top:6px; 
    color: #4a3a6b;
}

/* 内容墙 */
.content-wall { 
    display:grid; 
    grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); 
    gap:28px; 
}
.content-wall-item { 
    border-radius:20px; 
    overflow:hidden; 
    border:1px solid rgba(179, 136, 255, 0.1);
    background: #fff;
    transition:0.3s; 
}
.content-wall-item:hover { 
    transform:translateY(-5px); 
    box-shadow:0 12px 40px rgba(179, 136, 255, 0.12); 
}
.content-wall-item img { 
    width:100%; 
    height:220px; 
    object-fit:cover; 
}
.content-wall-body { 
    padding:22px; 
}
.content-wall-body h3 { color: #2d1b4e; margin-bottom: 6px; }
.content-wall-body p { color: #4a3a6b; opacity: 0.7; font-size: 0.9rem; }

/* FAQ — 圆润折叠 */
.faq-list { 
    max-width:800px; 
    margin:0 auto; 
}
.faq-item { 
    border:1px solid rgba(179, 136, 255, 0.12); 
    border-radius:16px; 
    margin-bottom:10px; 
    overflow:hidden; 
    cursor:pointer; 
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(2px);
    transition: 0.2s;
}
.faq-item:hover { border-color: rgba(179, 136, 255, 0.25); }
.faq-item .faq-question { 
    padding:18px 22px; 
    font-weight:600; 
    display:flex; 
    justify-content:space-between;
    color: #2d1b4e;
}
.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    color: #b388ff;
    transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
    content: '−';
    transform: rotate(180deg);
}
.faq-item .faq-answer { 
    padding:0 22px 18px; 
    display:none; 
    opacity:0.75; 
    color: #4a3a6b;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 渐变醒目 */
.cta-banner { 
    padding:60px 24px; 
    text-align:center; 
    border-radius:24px; 
    background: linear-gradient(135deg, #b388ff, #ff80ab);
    color:#fff; 
    box-shadow: 0 16px 48px rgba(179, 136, 255, 0.3);
}
.cta-banner h2 { 
    color:#fff; 
    font-size: 2.2rem;
    margin-bottom: 12px;
}
.cta-banner .btn-primary { 
    background:#fff; 
    color: #7c4dff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.cta-banner .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }

/* 页脚 — 浅色渐变 */
.site-footer { 
    padding:60px 0 28px; 
    background: linear-gradient(135deg, #f8f0ff 0%, #fff0f5 100%);
    border-top: 1px solid rgba(179, 136, 255, 0.08);
}
.site-footer .container { }
.footer-grid { 
    display:grid; 
    grid-template-columns:2fr 1fr 1fr 1fr; 
    gap:40px; 
}
.footer-brand { }
.footer-brand p { opacity: 0.65; color: #4a3a6b; margin-top: 10px; }
.footer-col h4 { color: #2d1b4e; margin-bottom: 14px; font-weight: 700; }
.footer-col a { display: block; color: #4a3a6b; text-decoration: none; padding: 4px 0; opacity: 0.7; transition: 0.2s; }
.footer-col a:hover { opacity: 1; color: #7c4dff; }
.footer-bottom { 
    border-top:1px solid rgba(179, 136, 255, 0.1); 
    margin-top:40px; 
    padding-top:20px; 
    text-align:center; 
    font-size:0.85rem; 
    color: #4a3a6b;
    opacity: 0.6;
}

/* 工具类 */
.text-accent { color: #b388ff; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color: #4a3a6b; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap: 36px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; background: none; border: none; font-size: 1.5rem; color: #2d1b4e; cursor: pointer; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background: rgba(250,245,255,0.98); padding:24px; border-bottom: 1px solid rgba(179,136,255,0.1); gap: 16px; }
  .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; }
  .hero p { font-size: 1rem; }
  .stat-number { font-size: 2rem; }
}