/* =========================================================
   首页专属样式 index.html · 画本清新风 · 波浪动态渐变
   ========================================================= */

/* ---------- Hero 主视觉 ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding:150px 0 90px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(46% 60% at 10% 12%,rgba(47,124,246,.14),transparent 60%),
    radial-gradient(40% 55% at 90% 10%,rgba(46,191,139,.13),transparent 60%),
    radial-gradient(50% 60% at 80% 90%,rgba(47,124,246,.10),transparent 62%),
    radial-gradient(42% 52% at 12% 88%,rgba(46,191,139,.10),transparent 60%);
  animation:gradDrift 24s ease-in-out infinite alternate;
}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.9);border:1px solid var(--c-line);border-radius:40px;padding:8px 18px;font-size:13.5px;font-weight:600;color:var(--c-primary);box-shadow:var(--shadow-sm);margin-bottom:26px}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-green);animation:pulseRing 2s infinite}
.hero-title{font-size:52px;line-height:1.22;font-weight:800;letter-spacing:.5px;margin-bottom:24px}
.hero-title .line-1{display:block}
.hero-title .grad{background:linear-gradient(90deg,var(--c-primary),var(--c-green));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-typing{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--c-ink);margin-bottom:18px}
.hero-typing .type-box{position:relative;color:var(--c-primary);padding-right:4px}
.hero-typing .type-box::after{content:"";position:absolute;right:-4px;top:12%;height:76%;width:3px;background:var(--c-primary);animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}
.hero-desc{font-size:16.5px;line-height:2;color:var(--c-body);margin-bottom:34px;max-width:520px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-trust{display:flex;gap:34px;flex-wrap:wrap}
.hero-trust .ht-item{display:flex;align-items:center;gap:11px}
.hero-trust .ht-item .ht-icon{width:44px;height:44px;border-radius:13px;background:var(--c-green-soft);color:var(--c-green-deep);display:flex;align-items:center;justify-content:center}
.hero-trust .ht-item .ht-icon svg{width:22px;height:22px}
.hero-trust .ht-item b{font-size:15px;color:var(--c-ink);display:block}
.hero-trust .ht-item span{font-size:12px;color:var(--c-muted)}

/* Hero 右侧视觉 */
.hero-visual{position:relative}
.hero-visual .hv-main{position:relative;z-index:2;border-radius:30px;overflow:hidden;box-shadow:var(--shadow-lg);transform:rotate(-1.5deg)}
.hero-visual .hv-main img{width:100%;height:520px;object-fit:cover}
.hero-visual .hv-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(21,42,63,.35))}
.hv-float{position:absolute;z-index:3;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-radius:18px;box-shadow:var(--shadow-md);padding:16px 20px;display:flex;align-items:center;gap:14px;border:1px solid var(--c-line)}
.hv-float .hf-icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.hv-float .hf-icon svg{width:24px;height:24px}
.hv-float b{font-size:15px;color:var(--c-ink);display:block}
.hv-float span{font-size:12px;color:var(--c-muted)}
.hv-float.f1{top:8%;right:-26px;animation:floatY 5s ease-in-out infinite}
.hv-float.f1 .hf-icon{background:var(--c-primary-soft);color:var(--c-primary)}
.hv-float.f2{bottom:10%;left:-30px;animation:floatY2 6s ease-in-out infinite}
.hv-float.f2 .hf-icon{background:var(--c-green-soft);color:var(--c-green-deep)}
.hv-float.f3{top:52%;right:-40px;animation:floatY 7s ease-in-out infinite}
.hv-float.f3 .hf-icon{background:#FFF4E0;color:#F2A93B}
.hv-ring{position:absolute;inset:-40px;border:2px dashed rgba(47,124,246,.22);border-radius:50%;animation:spinSlow 46s linear infinite;z-index:1}
.hv-blob{position:absolute;width:220px;height:220px;border-radius:50%;filter:blur(60px);opacity:.55;z-index:0}
.hv-blob.b1{background:#cfe6ff;top:-30px;right:-20px}
.hv-blob.b2{background:#d5f4e7;bottom:-20px;left:-30px}

/* Hero 底部波浪 */
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:4;line-height:0}
.hero-wave svg{width:100%;height:110px;display:block}

/* 滚动提示 */
.scroll-hint{position:absolute;bottom:130px;left:50%;transform:translateX(-50%);z-index:5;color:var(--c-muted);font-size:12.5px;letter-spacing:2px;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint::after{content:"";width:1.5px;height:40px;background:linear-gradient(180deg,var(--c-primary),transparent);animation:scrollLine 1.8s ease-in-out infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 数据条 ---------- */
.stat-strip{position:relative;z-index:5;margin-top:-60px}
.stat-strip .stat-card{background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border:1px solid var(--c-line);border-radius:24px;box-shadow:var(--shadow-md);padding:34px 26px;text-align:center;transition:all var(--transition)}
.stat-strip .stat-card:hover{transform:translateY(-6px)}
.stat-card .sc-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--c-primary-soft),var(--c-green-soft));color:var(--c-primary)}
.stat-card .sc-icon svg{width:28px;height:28px}
.stat-card .stat-num{font-size:40px;font-weight:800;color:var(--c-ink)}
.stat-card p{font-size:13.5px;color:var(--c-muted);margin-top:6px}

/* ---------- 核心优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.adv-card{position:relative;background:#fff;border-radius:22px;padding:36px 30px;border:1px solid var(--c-line);overflow:hidden;transition:all var(--transition)}
.adv-card::after{content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(47,124,246,.08),transparent 70%)}
.adv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:transparent}
.adv-card .adv-no{position:absolute;right:22px;top:18px;font-size:44px;font-weight:800;color:var(--c-primary-soft);line-height:1}
.adv-card .adv-icon{width:66px;height:66px;border-radius:20px;margin-bottom:22px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 12px 26px rgba(47,124,246,.25);transition:all var(--transition)}
.adv-card:nth-child(3n+1) .adv-icon{background:linear-gradient(135deg,#4b93ff,#2F7CF6)}
.adv-card:nth-child(3n+2) .adv-icon{background:linear-gradient(135deg,#45d09b,#2EBF8B)}
.adv-card:nth-child(3n+3) .adv-icon{background:linear-gradient(135deg,#5aa0ff,#36b6f0)}
.adv-card .adv-icon svg{width:32px;height:32px}
.adv-card:hover .adv-icon{transform:rotate(-8deg) scale(1.08)}
.adv-card h3{font-size:19px;margin-bottom:12px}
.adv-card p{font-size:14px;line-height:1.9;color:var(--c-body)}
.adv-card ul{margin-top:16px}
.adv-card ul li{font-size:13.5px;color:var(--c-body);padding:5px 0;display:flex;gap:9px;align-items:center}
.adv-card ul li svg{width:17px;height:17px;color:var(--c-green);flex:0 0 auto}

/* ---------- 产品矩阵 ---------- */
.product-zone{background:linear-gradient(180deg,#f6fafe,#eef6ff);position:relative;overflow:hidden}
.product-zone::before{content:"";position:absolute;inset:0;background:radial-gradient(40% 50% at 90% 10%,rgba(46,191,139,.10),transparent 60%),radial-gradient(40% 50% at 8% 90%,rgba(47,124,246,.10),transparent 60%)}
.product-zone .container{position:relative;z-index:2}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-cell{position:relative;background:#fff;border-radius:20px;padding:28px 24px;border:1px solid var(--c-line);transition:all var(--transition);overflow:hidden}
.product-cell::before{content:"";position:absolute;left:0;bottom:0;right:0;height:4px;background:linear-gradient(90deg,var(--c-primary),var(--c-green));transform:scaleX(0);transform-origin:left;transition:transform .45s ease}
.product-cell:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:transparent}
.product-cell:hover::before{transform:scaleX(1)}
.product-cell .pc-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--c-primary-soft),var(--c-green-soft));color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:all var(--transition)}
.product-cell:hover .pc-icon{background:linear-gradient(135deg,var(--c-primary),var(--c-green));color:#fff;transform:rotate(-8deg)}
.product-cell .pc-icon svg{width:28px;height:28px}
.product-cell h3{font-size:16.5px;margin-bottom:9px}
.product-cell p{font-size:13px;line-height:1.8;color:var(--c-body);margin-bottom:16px}
.product-cell .pc-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary)}
.product-cell .pc-more::after{content:"→";transition:transform var(--transition)}
.product-cell:hover .pc-more::after{transform:translateX(4px)}

/* ---------- 方案画廊 ---------- */
.solution-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol-card{position:relative;border-radius:22px;overflow:hidden;height:280px;cursor:pointer;display:block}
.sol-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.sol-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(21,42,63,.78))}
.sol-card:hover img{transform:scale(1.08)}
.sol-card .sol-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px 24px;color:#fff}
.sol-card .sol-info h3{color:#fff;font-size:19px;margin-bottom:8px}
.sol-card .sol-info p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.85);opacity:0;transform:translateY(10px);transition:all .4s ease}
.sol-card:hover .sol-info p{opacity:1;transform:none}
.sol-card .sol-tag{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.92);color:var(--c-primary);font-size:12px;font-weight:700;padding:5px 14px;border-radius:20px}

/* ---------- 选择理由（图文） ---------- */
.why-wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.why-visual{position:relative}
.why-visual .wv-main{border-radius:26px;overflow:hidden;box-shadow:var(--shadow-lg)}
.why-visual .wv-main img{width:100%;height:520px;object-fit:cover}
.why-visual .wv-exp{position:absolute;left:-26px;bottom:-26px;background:linear-gradient(135deg,var(--c-primary),var(--c-green));color:#fff;border-radius:20px;padding:24px 30px;text-align:center;box-shadow:var(--shadow-md)}
.why-visual .wv-exp b{font-size:40px;font-weight:800;display:block;line-height:1.1}
.why-visual .wv-exp span{font-size:13px;opacity:.9}
.why-list{display:flex;flex-direction:column;gap:20px}
.why-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:18px;padding:22px 24px;transition:all var(--transition)}
.why-item:hover{transform:translateX(8px);box-shadow:var(--shadow-sm);border-color:var(--c-primary)}
.why-item .wi-icon{width:50px;height:50px;border-radius:15px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:#fff}
.why-item:nth-child(1) .wi-icon{background:linear-gradient(135deg,#4b93ff,#2F7CF6)}
.why-item:nth-child(2) .wi-icon{background:linear-gradient(135deg,#45d09b,#2EBF8B)}
.why-item:nth-child(3) .wi-icon{background:linear-gradient(135deg,#5aa0ff,#36b6f0)}
.why-item:nth-child(4) .wi-icon{background:linear-gradient(135deg,#7ec9a6,#3fc78f)}
.why-item .wi-icon svg{width:24px;height:24px}
.why-item h4{font-size:17px;margin-bottom:7px}
.why-item p{font-size:13.5px;color:var(--c-body);line-height:1.8}

/* ---------- 流程 ---------- */
.flow-zone{background:linear-gradient(180deg,#eef6ff,#f6fafe)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-card{position:relative;background:#fff;border-radius:22px;padding:34px 26px;text-align:center;border:1px solid var(--c-line);transition:all var(--transition)}
.flow-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.flow-card .fc-num{width:58px;height:58px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-green));color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(47,124,246,.26);position:relative}
.flow-card .fc-num::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:2px dashed rgba(47,124,246,.3);animation:spinSlow 20s linear infinite}
.flow-card h4{font-size:17px;margin-bottom:10px}
.flow-card p{font-size:13.5px;color:var(--c-body);line-height:1.8}
.flow-card .fc-step{position:absolute;top:18px;right:20px;font-size:13px;font-weight:700;color:var(--c-muted)}

/* ---------- 案例 ---------- */
.case-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:20px;border:1px solid var(--c-line);overflow:hidden;transition:all var(--transition);display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:transparent}
.case-card .cc-media{position:relative;overflow:hidden;height:200px}
.case-card .cc-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.case-card:hover .cc-media img{transform:scale(1.08)}
.case-card .cc-tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;font-weight:700;padding:5px 13px;border-radius:20px}
.case-card .cc-body{padding:22px 24px;display:flex;flex-direction:column;flex:1}
.case-card .cc-body h3{font-size:16.5px;margin-bottom:10px;line-height:1.5}
.case-card .cc-body p{font-size:13px;color:var(--c-body);line-height:1.8;flex:1}
.case-card .cc-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);font-size:12.5px;color:var(--c-muted)}

/* ---------- 客户评价 ---------- */
.testi-zone{position:relative;overflow:hidden}
.testi-zone::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#eaf3ff,#e9f8f1)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* ---------- 新闻资讯 ---------- */
.news-zone{background:#fff}
.news-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:40px}
.news-main .nm-list{display:flex;flex-direction:column;gap:0}
.news-main .nm-item{display:grid;grid-template-columns:190px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--c-line);transition:all var(--transition)}
.news-main .nm-item:hover{padding-left:8px}
.news-main .nm-thumb{border-radius:16px;overflow:hidden;height:120px}
.news-main .nm-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.news-main .nm-item:hover .nm-thumb img{transform:scale(1.06)}
.news-main .nm-content{min-width:0}
.news-main .nm-title{font-size:17px;font-weight:700;line-height:1.55;margin-bottom:8px;transition:color var(--transition)}
.news-main .nm-title a{color:var(--c-ink)}
.news-main .nm-title a:hover{color:var(--c-primary)}
.news-main .nm-desc{font-size:13.5px;color:var(--c-body);line-height:1.85;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-main .nm-meta{display:flex;gap:18px;font-size:12.5px;color:var(--c-muted)}
.news-main .nm-meta span{display:inline-flex;align-items:center;gap:5px}
.news-main .nm-meta svg{width:14px;height:14px}
.news-side{display:flex;flex-direction:column;gap:18px}
.news-side .ns-box{background:linear-gradient(180deg,#f6fafe,#fff);border:1px solid var(--c-line);border-radius:20px;padding:24px}
.news-side .ns-box h4{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.news-side .ns-box h4::before{content:"";width:4px;height:18px;border-radius:3px;background:linear-gradient(180deg,var(--c-primary),var(--c-green))}
.news-side .ns-item{display:flex;gap:12px;align-items:center;padding:11px 0;border-bottom:1px dashed var(--c-line)}
.news-side .ns-item:last-child{border-bottom:none}
.news-side .ns-item time{flex:0 0 auto;font-size:11.5px;color:var(--c-primary);background:var(--c-primary-soft);padding:3px 10px;border-radius:14px}
.news-side .ns-item a{font-size:13.5px;color:var(--c-ink);line-height:1.55;font-weight:500}
.news-side .ns-item a:hover{color:var(--c-primary)}
.news-side .ns-more{display:block;text-align:center;margin-top:14px;font-size:13px;font-weight:600;color:var(--c-primary)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#1c4bd0,#2F7CF6 55%,#2EBF8B);padding:78px 0;text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(30% 60% at 15% 20%,rgba(255,255,255,.18),transparent 60%),radial-gradient(28% 55% at 88% 80%,rgba(255,255,255,.15),transparent 60%)}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:36px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.85);font-size:16px;margin-bottom:32px}
.cta-btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .solution-showcase{grid-template-columns:repeat(2,1fr)}
  .case-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .hero{min-height:auto;padding:130px 0 70px}
  .hero .container{grid-template-columns:1fr;gap:50px}
  .hero-title{font-size:40px}
  .hero-visual{max-width:560px;margin:0 auto}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .why-wrap{grid-template-columns:1fr;gap:44px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .stat-strip{margin-top:-40px}
  .hv-float{display:none}
}
@media (max-width:768px){
  .hero{padding:120px 0 56px}
  .hero-title{font-size:31px}
  .hero-typing{font-size:17px}
  .hero .container{gap:36px}
  .hero-visual .hv-main img{height:300px}
  .adv-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .solution-showcase{grid-template-columns:1fr}
  .case-row{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .testi-grid{grid-template-columns:1fr}
  .news-main .nm-item{grid-template-columns:120px 1fr;gap:14px}
  .news-main .nm-thumb{height:84px}
  .cta-band h2{font-size:27px}
  .scroll-hint{display:none}
}
/* 首页 hero/why 文案容器 */
.hero-copy,.why-copy{min-width:0}