/* ====== 产品列表页（深蓝·青 高端风格） ====== */
.ypl-hero{position:relative;display:flex;align-items:center;min-height:330px;padding:52px 0 66px;background:linear-gradient(135deg,#0d2440 0%,#1a3a5c 45%,#2a5278 100%);color:#fff;overflow:hidden}
.ypl-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 18% 32%,rgba(0,194,168,.16) 0%,transparent 52%),radial-gradient(circle at 82% 68%,rgba(255,255,255,.09) 0%,transparent 48%);pointer-events:none}
.ypl-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}
.ypl-hero-bg{background-size:cover;background-position:center}
.ypl-hero-overlay{position:absolute;inset:0;z-index:1}
.ypl-hero-inner{position:relative;z-index:2;text-align:center}
.ypl-hero-crumb{font-size:14px;color:rgba(255,255,255,.62);display:flex;align-items:center;justify-content:center;gap:9px;margin-bottom:22px;letter-spacing:.5px}
.ypl-hero-crumb a{color:rgba(255,255,255,.85);text-decoration:none;transition:color .3s}
.ypl-hero-crumb a:hover{color:#00c2a8}
.ypl-crumb-sep{opacity:.4}
.ypl-hero-title{font-size:40px;font-weight:800;line-height:1.35;letter-spacing:1px;margin:0 0 16px}
.ypl-hero-sub{font-size:16px;color:rgba(255,255,255,.72);max-width:720px;margin:0 auto;line-height:1.9;letter-spacing:.5px;white-space:pre-line}

/* ====== 分类导航 ====== */
.ypl-catbar{background:#fff;border-bottom:1px solid #eef2f7;padding:24px 0}
.ypl-catbar-inner{display:flex;align-items:flex-start;gap:22px;flex-wrap:wrap}
.ypl-cat-all{display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:99px;background:linear-gradient(135deg,#1a3a5c,#2a5278);color:#fff;font-size:15px;font-weight:700;text-decoration:none;box-shadow:0 10px 22px rgba(26,58,92,.2);transition:all .3s}
.ypl-cat-all svg{width:15px;height:15px}
.ypl-cat-all:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(26,58,92,.28)}
.ypl-cat-groups{display:flex;flex-wrap:wrap;gap:16px;flex:1;min-width:0}
.ypl-cat-group{display:flex;flex-direction:column;gap:8px;min-width:150px}
.ypl-cat-parent{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border:1px solid #e2e8ef;border-radius:12px;background:#fff;color:#101a26;font-size:14.5px;font-weight:800;text-decoration:none;transition:all .3s}
.ypl-cat-parent em{font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:#00a28c}
.ypl-cat-parent:hover{border-color:#1a3a5c;color:#1a3a5c;transform:translateY(-2px);box-shadow:0 10px 22px rgba(16,26,38,.08)}
.ypl-cat-caret{color:#9aa7b8}
.ypl-cat-parent:hover .ypl-cat-caret{color:#00a28c}
.ypl-cat-children{display:flex;flex-direction:column;gap:5px;padding-left:8px}
.ypl-cat-child{position:relative;padding:8px 14px 8px 20px;border-radius:9px;background:#f4f7fb;color:#5b6675;font-size:13px;font-weight:600;text-decoration:none;transition:all .3s}
.ypl-cat-child::before{content:"";position:absolute;left:9px;top:50%;width:5px;height:5px;border-radius:50%;background:#b9c6d8;transform:translateY(-50%)}
.ypl-cat-child:hover{background:#edf3fb;color:#1a3a5c}
.ypl-cat-child:hover::before{background:#00a28c}

/* ====== 列表区 ====== */
.ypl-list{background:var(--hm-bg,#f6f9fc);padding:72px 0 90px}
.ypl-list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.ypl-eyebrow{margin:0 0 12px;font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:#1a3a5c}
.ypl-list-title{margin:0;font-size:34px;line-height:1.25;font-weight:800;color:#101a26;letter-spacing:-.4px}
.ypl-list-meta{flex-shrink:0;font-size:14px;color:#5a6673;padding:9px 18px;border:1px solid #e2e8ef;border-radius:99px;background:#fff}
.ypl-list-meta b{color:#1a3a5c;font-size:18px;font-weight:800}
.ypl-search-tip{display:inline-block;margin:0 0 26px;padding:8px 18px;border-radius:8px;background:rgba(0,194,168,.09);color:#0e5c50;font-size:14px;font-weight:600}

.ypl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.ypl-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid #eef2f7;border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 4px 18px rgba(16,26,38,.05);transition:transform .4s cubic-bezier(.4,0,.2,1),box-shadow .4s cubic-bezier(.4,0,.2,1),border-color .4s}
.ypl-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#1a3a5c,#00c2a8);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.4,0,.2,1);z-index:2}
.ypl-card:hover{transform:translateY(-8px);border-color:transparent;box-shadow:0 22px 48px rgba(26,58,92,.16)}
.ypl-card:hover::before{transform:scaleX(1)}
.ypl-media{position:relative;aspect-ratio:4/3;background:linear-gradient(150deg,#eef3fb,#e4ecfa 55%,#f6f9ff);display:flex;align-items:center;justify-content:center;overflow:hidden}
.ypl-media img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;display:block;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.ypl-card:hover .ypl-media img{transform:scale(1.06)}
.ypl-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#b8c4d6}
.ypl-ph svg{width:52px;height:52px}
.ypl-body{flex:1;display:flex;flex-direction:column;padding:22px 20px 20px}
.ypl-tag{align-self:flex-start;margin-bottom:12px;padding:5px 13px;border-radius:99px;background:rgba(26,58,92,.08);color:#1a3a5c;font-size:12px;font-weight:700;letter-spacing:.5px}
.ypl-title{font-size:17px;line-height:1.45;font-weight:700;color:#101a26;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ypl-sum{font-size:13.5px;line-height:1.75;color:#5a6673;margin:0 0 16px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ypl-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:#1a3a5c;margin-top:auto;transition:gap .3s cubic-bezier(.4,0,.2,1)}
.ypl-more svg{width:15px;height:15px}
.ypl-card:hover .ypl-more{gap:11px;color:#00a28c}

/* ====== 空状态 ====== */
.ypl-empty{text-align:center;padding:90px 20px;color:#8a94a6}
.ypl-empty svg{margin:0 auto 18px;display:block;color:#cfd8e4}
.ypl-empty p{font-size:15px}

/* ====== 分页 ====== */
.ypl-pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:52px;flex-wrap:wrap}
.ypl-pg-btn{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid #e2e8ef;border-radius:10px;background:#fff;color:#101a26;font-size:14px;font-weight:600;text-decoration:none;transition:all .3s}
.ypl-pg-btn:hover{border-color:#1a3a5c;color:#1a3a5c;transform:translateY(-2px)}
.ypl-pg-btn.is-active{background:linear-gradient(135deg,#1a3a5c,#2a5278);border-color:#1a3a5c;color:#fff;box-shadow:0 8px 18px rgba(26,58,92,.22)}
.ypl-pg-btn.is-disabled{color:#c2cad6;pointer-events:none;background:#f5f7fa}
.ypl-pg-dots{color:#8a94a6;padding:0 4px}
.ypl-pg-info{margin-left:8px;font-size:13px;color:#5a6673}

/* ====== 产品概况区块 ====== */
.ypl-info{background:#fff;padding:80px 0;border-top:1px solid #eef2f7}
.ypl-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.ypl-info-block{display:flex;gap:26px;align-items:stretch;background:#f8fafd;border:1px solid #eef2f7;border-radius:18px;overflow:hidden;transition:box-shadow .4s,transform .4s}
.ypl-info-block:hover{box-shadow:0 18px 40px rgba(26,58,92,.1);transform:translateY(-4px)}
.ypl-info-block.is-alt{flex-direction:row-reverse}
.ypl-info-media{flex:0 0 42%;min-height:220px;background:#eef3fb;display:flex;align-items:center;justify-content:center;overflow:hidden}
.ypl-info-media img{width:100%;height:100%;object-fit:cover;display:block}
.ypl-info-txt{flex:1;padding:34px 30px;display:flex;flex-direction:column;justify-content:center}
.ypl-info-txt h3{margin:0 0 16px;font-size:22px;font-weight:800;color:#101a26;line-height:1.35}
.ypl-info-body{font-size:14.5px;line-height:1.9;color:#5a6673}
.ypl-info-body p{margin:0 0 12px}
.ypl-info-body p:last-child{margin-bottom:0}

/* ====== CTA ====== */
.ypl-cta{background:linear-gradient(135deg,#0d2440,#1a3a5c 55%,#1f6f5e);color:#fff;padding:64px 0}
.ypl-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ypl-cta-txt h2{margin:0 0 10px;font-size:28px;font-weight:800;letter-spacing:.5px}
.ypl-cta-txt p{margin:0;color:rgba(255,255,255,.75);font-size:15px;line-height:1.8}
.ypl-cta-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:99px;background:#fff;color:#1a3a5c;font-size:16px;font-weight:700;text-decoration:none;box-shadow:0 14px 34px rgba(0,0,0,.22);transition:transform .3s,box-shadow .3s}
.ypl-cta-btn svg{width:18px;height:18px}
.ypl-cta-btn:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(0,0,0,.3)}

/* ====== 响应式 ====== */
@media(max-width:1200px){
  .ypl-grid{grid-template-columns:repeat(3,1fr)}
  .ypl-info-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .ypl-hero{min-height:200px;padding:36px 0 46px}
  .ypl-hero-title{font-size:27px}
  .ypl-hero-sub{font-size:14px}
  .ypl-catbar{padding:18px 0}
  .ypl-catbar-inner{gap:14px;flex-direction:column;align-items:stretch}
  .ypl-cat-all{align-self:flex-start;padding:11px 18px;font-size:14px}
  .ypl-cat-groups{gap:12px}
  .ypl-cat-group{min-width:100%}
  .ypl-cat-children{flex-direction:row;flex-wrap:wrap;gap:6px}
  .ypl-cat-child{padding:7px 13px}
  .ypl-cat-child::before{display:none}
  .ypl-list{padding:54px 0 66px}
  .ypl-list-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .ypl-list-title{font-size:26px}
  .ypl-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .ypl-card{border-radius:14px}
  .ypl-body{padding:16px 14px 14px}
  .ypl-title{font-size:15px}
  .ypl-sum{font-size:13px;-webkit-line-clamp:2}
  .ypl-more{font-size:13px}
  .ypl-info{padding:56px 0}
  .ypl-info-block,.ypl-info-block.is-alt{flex-direction:column}
  .ypl-info-media{flex:none;min-height:180px}
  .ypl-info-txt{padding:24px 20px}
  .ypl-cta{padding:48px 0;text-align:center}
  .ypl-cta-inner{justify-content:center}
  .ypl-cta-txt h2{font-size:23px}
}