/* ===== 全站设计系统（与首页一致，ns- 前缀） ===== */
.ns-h2{text-align:center;font-size:30px;font-weight:700;color:#15271d;padding-bottom:16px;}
.ns-sub{text-align:center;font-size:16px;color:#6b766f;padding-bottom:48px;margin:0;}
.ns-sec{padding:84px 0;}
.ns-tint{background:#F4FAF7;}
.ns-tint2{background:#F8FCFA;}
/* 数据条 */
.ns-strip{background:#fff;border-bottom:1px solid #edf2ef;}
.ns-strip-list{display:flex;list-style:none;margin:0;}
.ns-strip-list li{flex:1;text-align:center;padding:36px 0;position:relative;}
.ns-strip-list li:not(:last-child):after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);height:46px;width:1px;background:#e8efe9;}
.ns-strip-list strong{display:flex;justify-content:center;align-items:baseline;font-size:32px;font-weight:700;color:#2fa568;line-height:1.1;white-space:nowrap;}
.ns-strip-list strong .cnt{display:inline;font-size:32px;font-weight:700;color:#2fa568;}
.ns-strip-list .ns-label{display:block;font-size:15px;color:#7b857d;margin-top:9px;}
/* 通用卡片 */
.ns-prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.ns-prod-card{display:block;background:#fff;border:1px solid #e9f1ec;border-radius:16px;padding:30px 26px 26px;text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden;}
.ns-prod-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,#2fa568,#6fd0a4);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;}
.ns-prod-card:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(20,60,40,.12);border-color:#cfeadb;}
.ns-prod-card:hover:before{transform:scaleX(1);}
.ns-prod-icon{width:58px;height:58px;border-radius:15px;background:linear-gradient(145deg,#eaf8f1,#d9f0e6);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:transform .25s;}
.ns-prod-card:hover .ns-prod-icon{transform:scale(1.08) rotate(-4deg);}
.ns-prod-icon img{width:32px;height:32px;}
.ns-prod-card h3{font-size:18px;font-weight:700;color:#15241b;margin:0 0 11px;}
.ns-prod-card p{font-size:13.5px;color:#6b766f;line-height:1.75;margin:0 0 16px;}
.ns-prod-link{display:inline-flex;align-items:center;font-size:14px;font-weight:500;color:#2fa568;transition:gap .2s;}
.ns-prod-card:hover .ns-prod-link{gap:4px;}
/* 价格 */
.ns-price-cards{display:flex;gap:16px;}
.ns-price-card{flex:1;background:#fff;border:1px solid #e9f1ec;border-radius:16px;padding:30px 14px 26px;text-align:center;position:relative;transition:.2s;}
.ns-price-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,60,40,.1);}
.ns-price-card.hot{border:2px solid #2fa568;}
.ns-badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:#2fa568;color:#fff;font-size:12px;padding:3px 13px;border-radius:20px;white-space:nowrap;}
.ns-price-money{font-size:25px;font-weight:700;color:#16251c;}
.ns-price-num{font-size:14px;color:#4d5a52;margin:13px 0 10px;}
.ns-price-unit{display:inline-block;font-size:13px;color:#2fa568;background:#e6f5ed;padding:4px 13px;border-radius:20px;}
.ns-price-more{display:flex;flex-direction:column;justify-content:center;align-items:center;}
.ns-price-more .ns-price-money{margin-bottom:6px;}
.ns-price-more .ns-btn{margin-top:14px;padding:9px 18px;}
.ns-price-note{text-align:center;font-size:14px;color:#7b857d;margin:34px 0 0;line-height:1.7;}
.ns-price-cta{width:220px;margin:30px auto 0;}
.ns-btn{display:block;text-align:center;border-radius:30px;font-size:16px;padding:13px 0;margin-top:22px;transition:.2s;text-decoration:none;}
.ns-btn-primary{background:#2fa568;color:#fff;}
.ns-btn-primary:hover{background:#27915a;color:#fff;}
.ns-btn-outline{border:1px solid #2fa568;color:#2fa568;background:#fff;}
.ns-btn-outline:hover{background:#2fa568;color:#fff;}
/* 流程 */
.ns-flow{display:flex;margin-top:48px;list-style:none;padding:0;}
.ns-flow-item{flex:1;text-align:center;position:relative;padding:0 14px;}
.ns-flow-item:not(:last-child):after{content:"";position:absolute;top:22px;left:60%;width:80%;height:2px;background:linear-gradient(90deg,#9fd8ba,#e4f0ea);z-index:0;}
.ns-flow-dot{width:44px;height:44px;border-radius:50%;background:#2fa568;color:#fff;font-size:18px;font-weight:700;line-height:44px;margin:0 auto 16px;position:relative;z-index:1;}
.ns-flow-item h4{font-size:17px;font-weight:700;color:#16251c;margin:0 0 7px;}
.ns-flow-item p{font-size:13.5px;color:#7b857d;margin:0;line-height:1.6;}
/* 优势区 */
.ns-adv-icon{width:70px;height:70px;margin:0 auto 20px;border-radius:18px;background:linear-gradient(145deg,#e9f7ef,#d8f1e5);display:flex;align-items:center;justify-content:center;color:#2fa568;transition:.3s;}
.tx-list .item-box{transition:.28s;}
.tx-list .item-box:hover{transform:translateY(-6px);}
.tx-list .item-box:hover .ns-adv-icon{box-shadow:0 10px 22px rgba(47,165,104,.28);}
.ns-adv-icon svg{width:34px;height:34px;fill:currentColor;}
/* 客户案例网格 */
.ns-case-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:12px;margin-top:26px;}
.ns-case-item{background:#fff;border:1px solid #eef1f0;border-radius:12px;display:flex;align-items:center;justify-content:center;padding:15px 8px;transition:.28s;}
.ns-case-item img{max-width:100%;max-height:36px;width:auto;height:auto;filter:grayscale(100%);opacity:.72;transition:.28s;}
.ns-case-item:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(20,60,40,.12);border-color:#cfeadb;}
.ns-case-item:hover img{filter:grayscale(0);opacity:1;}
/* 动效 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
.reveal-d1{transition-delay:.08s;}.reveal-d2{transition-delay:.16s;}.reveal-d3{transition-delay:.24s;}.reveal-d4{transition-delay:.32s;}
.hearder.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.07);}
/* 导航下拉美化 */
.hearder .container .nav .layui-nav .layui-nav-item{position:relative;}
.hearder .container .nav .layui-nav .ns-dropdown{display:none;background:#fff;border:1px solid #edf1ee;border-radius:14px;box-shadow:0 18px 44px rgba(20,40,30,.15);padding:10px;min-width:220px;position:absolute;top:calc(100% + 12px);left:0;line-height:1.4;z-index:200;animation:nsDrop .22s ease both;}
.hearder .container .nav .layui-nav .layui-nav-item:hover > .ns-dropdown{display:block;}
.hearder .container .nav .layui-nav .ns-dropdown.cols2{min-width:392px;display:none;grid-template-columns:1fr 1fr;gap:8px;}
.hearder .container .nav .layui-nav .layui-nav-item:hover > .ns-dropdown.cols2{display:grid !important;}
@keyframes nsDrop{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.hearder .container .nav .layui-nav .ns-dropdown dd{padding:0;}
.hearder .container .nav .layui-nav .ns-dropdown dd a{display:block;height:auto;line-height:1.4;margin:0 !important;padding:13px 16px !important;border-radius:9px;color:#526057;font-size:14px;background:none;transition:background .18s,color .18s,padding .18s;position:relative;white-space:nowrap;}
.hearder .container .nav .layui-nav .ns-dropdown dd a:hover{background:#eef8f3;color:#2fa568;padding-left:22px !important;}
.hearder .container .nav .layui-nav .ns-dropdown dd a:hover:before{content:"";position:absolute;left:11px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:#2fa568;}
.hearder .container .nav .layui-nav .layui-nav-item:last-child .ns-dropdown{left:auto;right:0;}
/* 页脚资质 */
.footer-honors{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;padding:40px 0;}
.footer-honor{background:none;border:none;padding:6px 10px;text-align:center;transition:transform .25s;}
.footer-honor:hover{background:none;border:none;transform:translateY(-5px);}
.footer-honor img{width:40px;height:40px;max-height:40px;display:block;margin:0 auto;}
.footer-honor span{display:block;font-size:13px;color:#c2c8cf;margin-top:14px;line-height:1.45;}
.footer-logo{display:block;margin-bottom:18px;}
.footer-logo img{width:120px;height:auto;display:block;}
.footer-logo img.logo-invert{filter:brightness(0) invert(1);}

/* ===== 产品页特有样式 ===== */
/* 产品 Hero */
.phero{position:relative;overflow:hidden;margin-top:70px;
  background:radial-gradient(circle at 82% 12%,rgba(46,200,130,.20),rgba(46,200,130,0) 44%),
             radial-gradient(circle at 10% 88%,rgba(80,160,255,.20),rgba(80,160,255,0) 46%),
             radial-gradient(circle at 50% 50%,rgba(30,95,72,.24),rgba(30,95,72,0) 70%),
             linear-gradient(135deg,#0a1929 0%,#0b2126 100%);}
.phero .hero-glow{position:absolute;z-index:1;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,200,130,.22),rgba(46,200,130,0) 68%);
  top:-150px;right:-90px;animation:heroFloat 9s ease-in-out infinite;}
.phero .hero-glow-b{position:absolute;z-index:1;width:460px;height:460px;border-radius:50%;
  bottom:-210px;left:-130px;background:radial-gradient(circle,rgba(80,160,255,.16),rgba(80,160,255,0) 68%);
  animation:heroFloat2 11s ease-in-out infinite;}
@keyframes heroFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,24px)}}
@keyframes heroFloat2{0%,100%{transform:translate(0,0)}50%{transform:translate(34px,-22px)}}
.phero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:40px;padding:72px 0;}
.phero-left{flex:1;}
.phero-right{flex:0 0 430px;display:flex;justify-content:center;}
.phero-right img{max-width:100%;width:380px;height:auto;filter:drop-shadow(0 30px 50px rgba(0,0,0,.45));animation:pheroFloatY 6s ease-in-out infinite;}
@keyframes pheroFloatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.phero h1{font-size:54px;font-weight:800;color:#C5FFE5;margin:0 0 18px;letter-spacing:1px;animation:heroFade .85s ease both;}
.phero .phero-price{font-size:34px;font-weight:800;color:#fff;margin:0 0 22px;animation:heroFade .85s ease .12s both;}
.phero .phero-price small{font-size:18px;font-weight:400;color:#C5FFE5;}
.phero-feats{list-style:none;margin:0 0 30px;padding:0;animation:heroFade .85s ease .22s both;}
.phero-feats li{display:flex;align-items:center;gap:10px;font-size:17px;color:#dff5ea;margin-bottom:12px;}
.phero-feats li svg{width:20px;height:20px;color:#5fd39a;flex-shrink:0;}
.phero-btns{display:flex;gap:16px;animation:heroFade .85s ease .32s both;}
.phero-btn{display:inline-block;border-radius:30px;padding:13px 32px;font-size:17px;text-decoration:none;transition:.25s;}
.phero-btn-primary{background:#24A75F;color:#fff;}
.phero-btn-primary:hover{background:#1e8f50;color:#fff;transform:translateY(-3px);box-shadow:0 14px 30px rgba(47,165,104,.42);}
.phero-btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4);}
.phero-btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}
.phero-tel{margin-top:20px;font-size:15px;color:#C5FFE5;animation:heroFade .85s ease .42s both;}
.phero-tel a{color:#C5FFE5;text-decoration:none;}
@keyframes heroFade{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

/* 手机演示（应用场景） */
.demo-wrap{display:flex;align-items:center;gap:60px;justify-content:center;}
.demo-phone{flex:0 0 320px;position:relative;}
.phone-frame{width:300px;background:#0d1117;border-radius:42px;padding:14px;box-shadow:0 30px 60px rgba(10,30,20,.35),inset 0 0 0 2px #262c36;position:relative;}
.phone-notch{width:130px;height:24px;background:#0d1117;border-radius:0 0 16px 16px;position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:5;}
.phone-screen{background:#f2f5f4;border-radius:30px;overflow:hidden;min-height:420px;}
.phone-status{display:flex;justify-content:space-between;align-items:center;padding:12px 22px 6px;font-size:13px;color:#2b322e;font-weight:600;}
.phone-status .sig{display:flex;gap:4px;align-items:center;}
.phone-msg{padding:16px 16px 24px;}
.phone-sender{font-size:12px;color:#8a938c;margin:0 0 8px 4px;}
.phone-bubble{background:#fff;border-radius:4px 18px 18px 18px;padding:16px 18px;font-size:15px;color:#23302a;line-height:1.6;box-shadow:0 6px 18px rgba(20,40,30,.08);min-height:120px;position:relative;}
.phone-bubble:after{content:"";position:absolute;left:20px;top:-6px;width:12px;height:12px;background:#fff;transform:rotate(45deg);}
.phone-bubble .b-sig{color:#2fa568;font-weight:700;}
.demo-tags{flex:0 0 420px;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.scene-tab{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e9f1ec;border-radius:14px;padding:16px 18px;cursor:pointer;transition:.22s;user-select:none;}
.scene-tab .st-icon{width:38px;height:38px;border-radius:11px;background:#eef6f2;display:flex;align-items:center;justify-content:center;color:#2fa568;flex-shrink:0;transition:.22s;}
.scene-tab .st-icon svg{width:20px;height:20px;}
.scene-tab span{font-size:15px;font-weight:600;color:#33403a;}
.scene-tab:hover{transform:translateY(-3px);border-color:#bfe4d0;box-shadow:0 10px 24px rgba(20,60,40,.1);}
.scene-tab.active{background:linear-gradient(135deg,#2fa568,#27915a);border-color:transparent;}
.scene-tab.active span{color:#fff;}
.scene-tab.active .st-icon{background:rgba(255,255,255,.2);color:#fff;}
.phone-bubble{transition:opacity .25s;}
.phone-bubble.switching{opacity:0;}

/* 接入指南：技术特性 + 代码 */
.api-spec{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px;}
.api-spec-card{background:#fff;border:1px solid #e9f1ec;border-radius:16px;padding:24px 22px;transition:.22s;}
.api-spec-card:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(20,60,40,.1);border-color:#cfeadb;}
.api-spec-card .as-icon{width:46px;height:46px;border-radius:12px;background:#e6f5ed;color:#2fa568;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.api-spec-card .as-icon svg{width:24px;height:24px;}
.api-spec-card h4{font-size:16px;font-weight:700;color:#16251c;margin:0 0 8px;}
.api-spec-card p{font-size:13.5px;color:#6b766f;line-height:1.65;margin:0;}
.codebox{background:#0d1418;border-radius:18px;overflow:hidden;box-shadow:0 24px 50px rgba(10,25,20,.3);margin-top:26px;}
.codebox-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:#121b20;border-bottom:1px solid #202c32;}
.code-tabs{display:flex;}
.code-tab{padding:15px 22px;font-size:15px;color:#8a9690;cursor:pointer;transition:.2s;border-bottom:2px solid transparent;user-select:none;}
.code-tab:hover{color:#cdd6d1;}
.code-tab.active{color:#5fd39a;border-bottom-color:#2fa568;}
.code-dots{display:flex;gap:7px;}
.code-dots i{width:11px;height:11px;border-radius:50%;display:block;}
.code-dots i:nth-child(1){background:#ff5f57;}.code-dots i:nth-child(2){background:#febc2e;}.code-dots i:nth-child(3){background:#28c840;}
.code-body{padding:24px 26px;overflow-x:auto;}
.code-pane{display:none;}
.code-pane.active{display:block;}
.code-pane pre{margin:0;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:14px;line-height:1.75;color:#d6e2dc;white-space:pre;}
.code-pane .cm{color:#6b7d74;}.code-pane .kw{color:#7ee0a8;}.code-pane .st{color:#e0c07f;}.code-pane .fn{color:#7fbce0;}
.api-endpoint{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px;background:#fff;border:1px solid #e9f1ec;border-radius:14px;padding:16px 20px;}
.api-endpoint .method{background:#2fa568;color:#fff;font-size:13px;font-weight:700;padding:4px 12px;border-radius:7px;}
.api-endpoint code{font-family:Consolas,monospace;font-size:14px;color:#33403a;}
.api-endpoint .ep-note{font-size:13px;color:#8a938c;}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .reveal *{animation:none!important;}
}
@media(max-width:1240px){
  .ns-sec .container{width:94%;}
  .phero-inner{flex-direction:column;text-align:center;}
  .phero-feats li{justify-content:center;}
  .phero-btns{justify-content:center;}
  .demo-wrap{flex-direction:column;}
  .api-spec{grid-template-columns:repeat(2,1fr);}
  .ns-price-cards,.ns-flow,.ns-strip-list{flex-wrap:wrap;}
  .ns-case-grid{grid-template-columns:repeat(4,1fr);}
  .ns-prod-grid{grid-template-columns:repeat(2,1fr);}
  .footer-honors{grid-template-columns:repeat(3,1fr);}
  .hearder .container .nav .layui-nav .ns-dropdown.cols2{min-width:300px;}
}