/* ══════════════════════════════════════════════════
   page-index.css - 首页专属样式
   ══════════════════════════════════════════════════ */

/* ── Hero 区 ── */
#hero {
  position: relative;
  padding-top: 68px;
  background: linear-gradient(160deg, #EFF8FF 0%, #F4FCF0 60%, #EEF7FF 100%);
  overflow: hidden;
  min-height: 580px;
}
#particle-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0; opacity: 0.5;
}
.hero-mesh {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(46,143,212,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,143,212,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: meshDrift 20s linear infinite;
  pointer-events: none;
}
@keyframes meshDrift { 0%{transform:translate(0,0);} 100%{transform:translate(40px,40px);} }
.hero-circle { position:absolute; border-radius:50%; pointer-events:none; }
.hc1 { width:500px; height:500px; background:radial-gradient(circle,rgba(46,143,212,.06) 0%,transparent 70%); top:-100px; right:-100px; }
.hc2 { width:300px; height:300px; background:radial-gradient(circle,rgba(75,173,58,.05) 0%,transparent 70%); bottom:-50px; left:10%; }
.hc3 { width:200px; height:200px; background:radial-gradient(circle,rgba(46,143,212,.04) 0%,transparent 70%); top:30%; left:-50px; }
.hero-inner { position:relative; z-index:2; max-width:760px; padding:52px 60px 0; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; font-size:12.5px; color:var(--text2); background:rgba(255,255,255,.7); border:1px solid var(--border); border-radius:20px; padding:5px 14px; margin-bottom:18px; backdrop-filter:blur(8px); }
.badge-dot { width:6px; height:6px; background:var(--green); border-radius:50%; animation:pulse 2s infinite; }
@keyframes pulse { 0%,100%{box-shadow:0 0 0 0 rgba(75,173,58,.4);} 50%{box-shadow:0 0 0 6px rgba(75,173,58,0);} }
.hero-tagline { font-size:13px; color:var(--blue); font-weight:500; letter-spacing:3px; margin-bottom:14px; }
.hero-title { font-family:"Noto Serif SC",serif; font-size:clamp(28px,4.5vw,52px); font-weight:900; color:var(--text); line-height:1.3; margin-bottom:16px; }
.hero-title .g { background:linear-gradient(135deg,var(--blue),var(--green)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-desc { font-size:15px; color:var(--text2); line-height:1.8; margin-bottom:28px; max-width:580px; }
.hero-desc strong { color:var(--text); }
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:52px; }
.btn-primary { display:inline-flex; align-items:center; padding:13px 28px; background:var(--grad); color:white; border-radius:26px; text-decoration:none; font-size:14px; font-weight:600; letter-spacing:.5px; box-shadow:0 6px 20px rgba(46,143,212,.3); transition:all .3s; position:relative; overflow:hidden; }
.btn-primary::after { content:''; position:absolute; top:-50%; left:-60%; width:30%; height:200%; background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent); transform:skewX(-20deg); animation:shine 2.5s ease-in-out infinite; }
@keyframes shine { 0%{left:-60%;} 60%,100%{left:130%;} }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 10px 28px rgba(46,143,212,.4); }
.btn-outline { display:inline-flex; align-items:center; padding:13px 28px; background:transparent; color:var(--blue); border:1.5px solid rgba(46,143,212,.4); border-radius:26px; text-decoration:none; font-size:14px; font-weight:500; transition:all .3s; }
.btn-outline:hover { background:var(--blue-pale); border-color:var(--blue); }

/* ── 数据腰带 ── */
.stats-bar { background:white; border-top:1px solid var(--border); position:relative; overflow:hidden; }
.stats-bar::after { content:''; position:absolute; top:0; left:-100%; width:60%; height:100%; background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent); animation:scanLine 3s ease-in-out infinite; pointer-events:none; }
@keyframes scanLine { 0%{left:-60%;} 100%{left:120%;} }
.stats-inner { max-width:1160px; margin:0 auto; padding:18px 40px; display:flex; align-items:center; justify-content:space-around; gap:20px; flex-wrap:wrap; }
.sitem { display:flex; align-items:center; gap:12px; }
.sicon { width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:18px; flex-shrink:0; }
.sicon.blue { background:var(--blue-pale); }
.sicon.green { background:var(--green-pale); }
.snum { font-family:Inter,sans-serif; font-size:20px; font-weight:800; color:var(--blue); line-height:1; }
.slabel { font-size:11.5px; color:var(--text3); margin-top:3px; white-space:nowrap; }

/* ── 三大产品方向 ── */
.three-col-wrap { background:white; padding:36px 0 32px; border-top:1px solid var(--border); }
.three-col-header { text-align:center; margin-bottom:28px; }

/* ── 新闻区 ── */
.section-bg-subtle { background:var(--bg2); padding:44px 0 40px; border-top:1px solid var(--border); }
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.news-card { background:white; border-radius:16px; border:1px solid var(--border); overflow:hidden; transition:all .3s; text-decoration:none; display:block; }
.news-card:hover { transform:translateY(-5px); box-shadow:0 16px 40px rgba(46,143,212,.12); }
.news-card-img { height:160px; background:linear-gradient(135deg,var(--blue-pale),var(--green-pale)); display:flex; align-items:center; justify-content:center; font-size:48px; }
.news-card-body { padding:18px; }
.news-cat { font-size:11px; color:var(--blue); letter-spacing:2px; font-weight:600; margin-bottom:8px; }
.news-title { font-family:"Noto Serif SC",serif; font-size:15px; font-weight:700; color:var(--text); line-height:1.5; margin-bottom:8px; }
.news-summary { font-size:12.5px; color:var(--text2); line-height:1.7; margin-bottom:12px; }
.news-meta { display:flex; align-items:center; justify-content:space-between; font-size:12px; color:var(--text3); }
.news-more { color:var(--blue); }

/* ── 合作伙伴 ── */
.eco-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:0; }
.eco-node { padding:18px 14px; background:white; border:1px solid var(--border); border-radius:12px; text-align:center; transition:all .3s; }
.eco-node:hover { border-color:var(--blue); box-shadow:0 6px 20px rgba(46,143,212,.08); transform:translateY(-6px); }
.eco-ico { font-size:28px; display:block; margin-bottom:8px; }
.eco-name { font-weight:700; font-size:14px; color:var(--text); }
.eco-tag { font-size:11.5px; color:var(--text3); margin-top:3px; }

/* ── 健康平台入口 ── */
.platform-entry-section { background:linear-gradient(135deg,var(--blue-pale),var(--green-pale)); padding:48px 0; border-top:1px solid var(--border); }
.plat-entry-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.plat-card { display:flex; flex-direction:column; align-items:center; gap:10px; padding:28px 20px; background:white; border-radius:16px; border:1px solid var(--border); text-decoration:none; transition:all .3s; text-align:center; }
.plat-card:hover { transform:translateY(-5px); box-shadow:0 16px 40px rgba(46,143,212,.15); border-color:var(--blue); }
.plat-ico { width:60px; height:60px; border-radius:16px; display:flex; align-items:center; justify-content:center; font-size:28px; box-shadow:0 4px 16px rgba(0,0,0,.12); }
.plat-name { font-family:"Noto Serif SC",serif; font-size:15px; font-weight:700; color:var(--text); }
.plat-desc { font-size:12px; color:var(--text3); line-height:1.6; }
.plat-btn { font-size:12px; color:var(--blue); font-weight:500; margin-top:4px; }

/* ── Nav Logo Pulse ── */
.nav-logo { position:relative; }
.nav-logo::before { content:''; position:absolute; width:54px; height:54px; border-radius:50%; border:1.5px solid rgba(46,143,212,.2); animation:pulseRing 2.5s ease-out infinite; pointer-events:none; left:-3px; top:50%; transform:translateY(-50%); }
@keyframes pulseRing { 0%{transform:translateY(-50%) scale(.9);opacity:.6;} 100%{transform:translateY(-50%) scale(1.5);opacity:0;} }

/* ── Responsive ── */
@media (max-width:1024px) {
  .eco-grid { grid-template-columns:repeat(4,1fr); }
  .plat-entry-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:768px) {
  .hero-inner { padding:40px 20px 0; }
  .stats-inner { padding:16px 20px; gap:12px; }
  .news-grid { grid-template-columns:1fr; }
  .plat-entry-grid { grid-template-columns:1fr 1fr; }
  .eco-grid { grid-template-columns:repeat(2,1fr); }
  .pi-grid,.sol-grid { grid-template-columns:1fr; }
}