/* 灵犀 AURORA · 首页样式 */

/* ============ Hero 开屏 ============ */
.hero{
  position:relative;
  min-height:calc(100vh - var(--nav-h));
  display:flex;align-items:center;
  padding:76px 0 90px;
  overflow:hidden;
  background:
    radial-gradient(120% 90% at 50% -10%,rgba(28,33,66,.9),transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 70%,var(--bg-0));
}
.hero::after{
  /* 细网格质感 */
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 60% at 50% 40%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000 30%,transparent 78%);
}
.hero-g1{top:-160px;left:-120px}
.hero-g2{top:120px;right:-140px}
.hero-g3{bottom:-200px;left:38%}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-demo{margin-bottom:24px}

.hero-title{
  font-size:clamp(40px,8.4vw,86px);
  line-height:1.06;letter-spacing:-.02em;font-weight:800;
  margin-bottom:22px;
}
.hero-sub{
  max-width:640px;margin:0 auto;
  font-size:clamp(15px,1.7vw,18px);color:var(--tx-1);line-height:1.85;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:34px 0 0}

.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;margin:52px auto 0;max-width:820px;
}
.hero-stats li{
  padding:18px 12px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--glass);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.hero-stats strong{
  display:block;font-size:clamp(24px,3.4vw,34px);color:var(--tx-0);line-height:1.15;
}
.hero-stats strong em{font-style:normal;font-size:14px;font-weight:600;color:var(--tx-2);margin-left:3px}
.hero-stats span{display:block;margin-top:5px;font-size:12.5px;color:var(--tx-2)}
.hero-note{margin-top:14px;font-size:12px}

.hero-scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  width:22px;height:36px;border-radius:12px;border:1px solid var(--line);z-index:2;
}
.hero-scroll span{
  position:absolute;left:50%;top:7px;margin-left:-2px;
  width:4px;height:7px;border-radius:2px;background:var(--aurora-2);
  animation:hero-dot 1.9s ease-in-out infinite;
}
@keyframes hero-dot{0%,100%{transform:translateY(0);opacity:1}60%{transform:translateY(13px);opacity:.2}}

/* ============ 六大优势 ============ */
.sec-adv{background:var(--bg-0)}
.adv-grid{align-items:stretch}
.adv{display:flex;flex-direction:column;gap:12px}
.adv h3{font-size:18px}
.adv p{font-size:14.5px;color:var(--tx-2);line-height:1.75}
.adv-ico{
  width:44px;height:44px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
}
.adv-ico svg{width:22px;height:22px}
.adv-ico-1{color:var(--aurora-1);background:rgba(109,94,252,.13)}
.adv-ico-2{color:var(--aurora-2);background:rgba(47,184,255,.13)}
.adv-ico-3{color:var(--aurora-3);background:rgba(0,229,192,.13)}
.adv-ico-4{color:var(--aurora-4);background:rgba(255,95,162,.13)}
.adv-ico-5{color:var(--gold);background:rgba(255,200,107,.13)}
.adv-ico-6{color:var(--aurora-2);background:rgba(47,184,255,.13)}

/* ============ 四步流程 ============ */
.sec-flow{background:linear-gradient(180deg,var(--bg-0),var(--bg-1))}
.flow{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  counter-reset:flow;position:relative;
}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:30px;height:2px;
  background:linear-gradient(90deg,transparent,rgba(109,94,252,.5),rgba(47,184,255,.5),rgba(0,229,192,.5),transparent);
}
.flow li{position:relative;padding-top:0;text-align:center}
.flow-n{
  position:relative;z-index:1;
  display:inline-flex;align-items:center;justify-content:center;
  width:60px;height:60px;border-radius:50%;
  margin-bottom:16px;
  font-size:17px;font-weight:800;color:var(--tx-0);
  background:var(--bg-2);
  border:1px solid rgba(109,94,252,.4);
  box-shadow:0 0 0 6px rgba(13,16,32,.9),var(--shadow-glow);
}
.flow-body h3{font-size:17px;margin-bottom:8px}
.flow-body p{font-size:14px;color:var(--tx-2)}

/* ============ 场景入口 ============ */
.sec-scenes{background:var(--bg-1)}
.scenes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.scenes-loading{grid-column:1/-1;text-align:center;padding:30px 0}
.scene{
  position:relative;display:flex;flex-direction:column;
  padding:28px 24px 24px;min-height:270px;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),border-color .3s ease,box-shadow .3s ease;
}
.scene::before{
  content:"";position:absolute;inset:-1px -1px auto -1px;height:3px;
  background:var(--grad-main);opacity:.85;
}
.scene-glow{
  position:absolute;right:-70px;top:-70px;width:190px;height:190px;border-radius:50%;
  filter:blur(46px);opacity:.5;pointer-events:none;
}
/* 场景卡极光底图（生成素材，WebP，右上淡出） */
.scene-bg{
  position:absolute;inset:0;pointer-events:none;
  background-repeat:no-repeat;background-position:right top;background-size:cover;
  opacity:.34;
  mask-image:linear-gradient(210deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.45) 45%,transparent 78%);
  -webkit-mask-image:linear-gradient(210deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.45) 45%,transparent 78%);
  transition:opacity .35s ease,transform .5s cubic-bezier(.2,.7,.3,1);
}
.scene:hover .scene-bg{opacity:.5;transform:scale(1.05)}
@media (prefers-reduced-motion:reduce){
  .scene-bg{transition:none}
  .scene:hover .scene-bg{transform:none}
}
.scene-top{display:flex;align-items:center;gap:10px;margin-bottom:16px;position:relative;z-index:1}
.scene-rank{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#080a16;background:var(--grad-main);
}
.scene-tag{
  margin-left:auto;font-size:11px;padding:4px 9px;border-radius:999px;
  border:1px solid var(--line);color:var(--tx-2);background:var(--glass);
}
.scene-tag.is-main{border-color:rgba(0,229,192,.4);color:var(--aurora-3);background:rgba(0,229,192,.1)}
.scene h3{font-size:23px;margin-bottom:6px;position:relative;z-index:1}
.scene-tagline{font-size:14px;color:var(--aurora-2);margin-bottom:12px;position:relative;z-index:1}
.scene-desc{font-size:14px;color:var(--tx-2);line-height:1.75;flex:1 1 auto;position:relative;z-index:1}
.scene-foot{
  display:flex;align-items:center;gap:12px;margin-top:20px;position:relative;z-index:1;
  padding-top:16px;border-top:1px solid var(--line);
}
.scene-hot{font-size:12px;color:var(--tx-3);display:flex;align-items:center;gap:6px}
.scene-hot i{
  width:6px;height:6px;border-radius:50%;background:var(--aurora-3);
  box-shadow:0 0 8px var(--aurora-3);display:block;
}
.scene-go{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--tx-0);
}
.scene-go svg{width:16px;height:16px;transition:transform .25s ease}
.scene-note{
  grid-column:1/-1;margin-top:2px;font-size:12.5px;color:var(--tx-3);text-align:center;
}
@media (hover:hover) and (pointer:fine){
  .scene:hover{
    transform:translateY(-8px);
    border-color:rgba(109,94,252,.5);
    box-shadow:0 22px 50px rgba(0,0,0,.5),var(--shadow-glow);
  }
  .scene:hover .scene-go svg{transform:translateX(4px)}
}
.scene:active{transform:scale(.99)}

/* ============ 报告预览 ============ */
.sec-preview{background:linear-gradient(180deg,var(--bg-1),var(--bg-0))}
.pv{display:grid;grid-template-columns:1.35fr .95fr;gap:26px;align-items:start}
.pv-mock{padding:22px;overflow:hidden}
.pv-mock-head{margin-bottom:18px}
.pv-mock-head h3{font-size:20px;margin:10px 0 4px}
.pv-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}
.pv-metrics div{
  padding:12px 8px;text-align:center;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--glass);
}
.pv-metrics strong{display:block;font-size:24px;color:var(--tx-0);font-weight:800}
.pv-metrics span{font-size:12px;color:var(--tx-2)}
.pv-main{display:grid;grid-template-columns:200px 1fr;gap:18px;align-items:start;margin-bottom:20px}
.pv-radar svg{width:100%;height:auto}
.pv-dims{display:flex;flex-direction:column;gap:14px}
.pv-dim-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.pv-dim-top span{font-size:14px;color:var(--tx-0);font-weight:600}
.pv-dim-top b{font-size:15px;color:var(--aurora-3);font-variant-numeric:tabular-nums}
.pv-dim p{font-size:13px;color:var(--tx-2);margin-top:8px;line-height:1.7}

.pv-recos{display:grid;gap:12px;margin-bottom:20px}
.pv-reco{
  display:flex;align-items:center;gap:14px;padding:14px;
  border-radius:var(--r-md);border:1px solid var(--line);background:var(--glass);
}
.pv-ring{position:relative;width:44px;height:44px;flex:0 0 auto}
.pv-ring svg{width:44px;height:44px}
.pv-ring b{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--tx-0);
}
.pv-reco h4{font-size:15px;margin-bottom:3px}
.pv-reco p{font-size:13px;color:var(--tx-2)}

.pv-timeline{display:grid;gap:0}
.pv-step{display:flex;gap:14px;padding-bottom:16px;position:relative}
.pv-step:last-child{padding-bottom:0}
.pv-step>span{
  width:13px;height:13px;border-radius:50%;flex:0 0 auto;margin-top:5px;
  background:var(--grad-main);box-shadow:0 0 0 4px rgba(109,94,252,.16);
}
.pv-step:not(:last-child)::before{
  content:"";position:absolute;left:6px;top:20px;bottom:2px;width:1px;background:var(--line);
}
.pv-step b{display:block;font-size:14px;color:var(--tx-0)}
.pv-step small{font-size:13px;color:var(--tx-2)}

.pv-legend h3{font-size:20px;margin-bottom:16px}
.pv-list{counter-reset:pv;display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.pv-list li{
  counter-increment:pv;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 14px 12px 44px;position:relative;
  border-radius:var(--r-sm);
  transition:background .2s ease;
}
.pv-list li::before{
  content:counter(pv);
  position:absolute;left:12px;top:12px;
  width:22px;height:22px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:var(--aurora-2);
  background:rgba(47,184,255,.13);border:1px solid rgba(47,184,255,.25);
}
.pv-list b{font-size:14.5px;color:var(--tx-0)}
.pv-list span{font-size:13px;color:var(--tx-2)}
@media (hover:hover) and (pointer:fine){
  .pv-list li:hover{background:var(--glass)}
}
.pv-extra{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.pv-extra p{font-size:14px;color:var(--tx-1);line-height:1.8}
.pv-extra small{font-size:12.5px}

/* ============ 实时数据 ============ */
.sec-live{background:var(--bg-0)}
.live{display:grid;grid-template-columns:.85fr 1fr 1.1fr;gap:20px;align-items:start}
.live-cards{display:grid;gap:20px}
.live-card{text-align:center;padding:22px}
.live-k{display:block;font-size:13px;color:var(--tx-2)}
.live-v{display:block;font-size:clamp(30px,4vw,42px);color:var(--tx-0);margin:6px 0 2px;line-height:1.1}
.live-hot h3,.live-q h3{font-size:17px;margin-bottom:16px}
.hot-list{display:flex;flex-direction:column;gap:14px}
.hot-row{display:flex;align-items:center;gap:10px;margin-bottom:7px}
.hot-row span{font-size:14px;color:var(--tx-0)}
.hot-row b{margin-left:auto;font-size:13px;color:var(--aurora-3);font-variant-numeric:tabular-nums}
.q-list{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}
.q-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--tx-1);line-height:1.65;
}
.q-from{
  display:block;margin-top:3px;font-style:normal;
  font-size:11.5px;color:var(--tx-3);
}
.q-list li i{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-style:normal;font-weight:800;
  color:var(--aurora-1);background:rgba(109,94,252,.15);
}
.live-fallback{margin-top:18px;text-align:center;font-size:12.5px}

/* ============ 底部 CTA ============ */
.cta{position:relative;overflow:hidden;padding:82px 0 92px;background:var(--bg-1);border-top:1px solid var(--line)}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-inner h2{margin-bottom:12px}
.cta-inner p{color:var(--tx-2);max-width:520px;margin:0 auto}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:30px 0 18px}
.cta-note{font-size:12px}

/* ============ 移动端 ============ */
@media (max-width:960px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .flow::before{display:none}
  .scenes{grid-template-columns:1fr}
  .pv{grid-template-columns:1fr}
  .live{grid-template-columns:1fr}
  .live-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .hero{min-height:auto;padding:48px 0 60px}
  .hero-title{font-size:clamp(34px,11vw,50px)}
  .hero-br{display:none}
  .hero-sub{font-size:14.5px;line-height:1.8}
  .hero-cta{margin-top:26px;gap:10px}
  .hero-cta .au-btn{width:100%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:34px}
  .hero-stats li{padding:14px 8px}
  .hero-stats strong{font-size:23px}
  .hero-stats span{font-size:11.5px}
  .hero-scroll{display:none}
  .hero::after{background-size:44px 44px}

  .flow{grid-template-columns:1fr;gap:14px}
  .flow li{display:flex;gap:14px;text-align:left;align-items:flex-start}
  .flow-n{width:44px;height:44px;font-size:14px;margin-bottom:0;box-shadow:none;flex:0 0 auto}
  .flow-body h3{font-size:16px;margin-bottom:4px}

  .scene{min-height:0;padding:20px 18px}
  .scene h3{font-size:20px}
  .scene-foot{margin-top:16px;padding-top:12px}

  .pv-mock{padding:16px}
  .pv-main{grid-template-columns:1fr;gap:14px}
  .pv-radar{max-width:280px;margin:0 auto}
  .pv-metrics strong{font-size:20px}
  .pv-list li{padding:10px 12px 10px 42px}

  .live-cards{grid-template-columns:1fr;gap:14px}
  .live-v{font-size:30px}

  .cta{padding:52px 0 60px}
  .cta-btns{gap:10px}
  .cta-btns .au-btn{width:100%}
}