/* ====== 产品详情页（深蓝·青 高端风格） ====== */
.ypd-hero{position:relative;display:flex;align-items:center;min-height:280px;padding:42px 0 54px;background:linear-gradient(135deg,#0d2440 0%,#1a3a5c 45%,#2a5278 100%);color:#fff;overflow:hidden}
.ypd-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}
.ypd-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}
.ypd-hero-bg{background-size:cover;background-position:center}
.ypd-hero-overlay{position:absolute;inset:0;z-index:1}
.ypd-hero-inner{position:relative;z-index:2;text-align:center}
.ypd-hero-crumb{font-size:14px;color:rgba(255,255,255,.62);display:flex;align-items:center;justify-content:center;gap:9px;margin-bottom:18px;letter-spacing:.5px}
.ypd-hero-crumb a{color:rgba(255,255,255,.85);text-decoration:none;transition:color .3s}
.ypd-hero-crumb a:hover{color:#00c2a8}
.ypd-crumb-sep{opacity:.4}
.ypd-hero-title{font-size:34px;font-weight:800;line-height:1.4;letter-spacing:.5px;margin:0}
.ypd-hero-sub{font-size:15px;color:rgba(255,255,255,.72);max-width:700px;margin:16px auto 0;line-height:1.8}

/* ====== 主布局 ====== */
.ypd-section{background:#f6f9fc;padding:52px 0 80px}
.ypd-wrap{display:grid;grid-template-columns:300px 1fr;gap:30px;align-items:start}
.ypd-wrap-single{grid-template-columns:1fr}

/* ====== 侧栏 ====== */
.ypd-side-card{background:#fff;border:1px solid #eef2f7;border-radius:18px;box-shadow:0 4px 18px rgba(16,26,38,.05);padding:24px;margin-bottom:22px}
.ypd-side-card:last-child{margin-bottom:0}
.ypd-side-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:2px solid #f1f4f8}
.ypd-side-title{font-size:18px;font-weight:800;color:#101a26;text-decoration:none}
.ypd-side-head a.ypd-side-title:hover{color:#1a3a5c}
.ypd-side-arrow{color:#a6aebb}
.ypd-side-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.ypd-side-item>a{position:relative;display:flex;align-items:center;gap:9px;padding:12px 14px;border-radius:12px;background:#f4f7fb;color:#101a26;font-size:15px;font-weight:800;text-decoration:none;transition:all .3s}
.ypd-side-item>a::before{content:"";flex:0 0 auto;width:4px;height:15px;border-radius:3px;background:linear-gradient(180deg,#00c2a8,#00a28c)}
.ypd-side-item>a:hover{background:#edf3fb;color:#1a3a5c}
.ypd-side-item.is-active>a{background:linear-gradient(135deg,#1a3a5c,#2a5278);color:#fff;box-shadow:0 8px 18px rgba(26,58,92,.18)}
.ypd-side-item.is-active>a::before{background:#7fe6d8}
.ypd-side-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ypd-side-count{flex:0 0 auto;min-width:24px;height:19px;display:inline-flex;align-items:center;justify-content:center;padding:0 7px;border-radius:99px;background:rgba(26,58,92,.08);color:#1a3a5c;font-size:11px;font-weight:700;font-style:normal}
.ypd-side-item.is-active .ypd-side-count{background:rgba(255,255,255,.16);color:#fff}
.ypd-side-caret{flex:0 0 auto;color:#9aa7b8}
.ypd-side-item.is-active .ypd-side-caret{color:#7fe6d8}
.ypd-side-sub{list-style:none;margin:6px 0 4px 15px;padding:5px 0 5px 14px;border-left:2px solid #e3ecf6;display:flex;flex-direction:column;gap:4px}
.ypd-side-sub-item a{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:10px;background:#fff;border:1px solid #edf1f6;color:#5b6675;font-size:13.5px;font-weight:600;text-decoration:none;transition:all .3s}
.ypd-side-sub-item a:hover{border-color:#b9d3ec;background:#f4f9ff;color:#1a3a5c}
.ypd-side-sub-item.is-active a{background:linear-gradient(135deg,#00c2a8,#00a68f);border-color:transparent;color:#fff;box-shadow:0 6px 14px rgba(0,162,140,.18)}
.ypd-side-sub-dot{flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:#b9c6d8}
.ypd-side-sub-item:hover .ypd-side-sub-dot{background:#00a28c}
.ypd-side-sub-item.is-active .ypd-side-sub-dot{background:#fff}
.ypd-side-sub-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ypd-side-sub-count{flex:0 0 auto;font-size:11px;font-weight:700;color:#9aa7b8;font-style:normal}
.ypd-side-sub-item.is-active .ypd-side-sub-count{color:rgba(255,255,255,.85)}
.ypd-contact-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid #f1f4f8}
.ypd-contact-item:last-child{border-bottom:none;padding-bottom:0}
.ypd-contact-ico{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,rgba(26,58,92,.08),rgba(0,194,168,.1));display:flex;align-items:center;justify-content:center;color:#1a3a5c}
.ypd-contact-ico .svg-ico{width:17px;height:17px}
.ypd-contact-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.ypd-contact-body strong{font-size:12.5px;color:#8a94a6;font-weight:600}
.ypd-contact-body a{font-size:14.5px;font-weight:700;color:#1a3a5c;text-decoration:none;word-break:break-all;transition:color .3s}
.ypd-contact-body a:hover{color:#00a28c}
.ypd-contact-body span{font-size:13.5px;color:#3d4654;line-height:1.6}

/* ====== 顶部信息区 ====== */
.ypd-top-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:32px;background:#fff;border:1px solid #eef2f7;border-radius:20px;box-shadow:0 4px 18px rgba(16,26,38,.05);padding:28px}
.ypd-gallery{min-width:0}
.ypd-main-img{aspect-ratio:1/1;border-radius:14px;overflow:hidden;background:linear-gradient(150deg,#eef3fb,#e4ecfa 55%,#f6f9ff);display:flex;align-items:center;justify-content:center}
.ypd-main-img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;display:block}
.ypd-main-img-ph{color:#c9d4e4}
.ypd-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:14px}
.ypd-thumb{aspect-ratio:1/1;border-radius:10px;overflow:hidden;cursor:pointer;border:2px solid #e2e8ef;background:#f0f4fc;transition:border-color .25s,transform .25s}
.ypd-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.ypd-thumb:hover{border-color:#7fa8d6;transform:translateY(-2px)}
.ypd-thumb.is-active{border-color:#1a3a5c;box-shadow:0 4px 12px rgba(26,58,92,.15)}

.ypd-info{display:flex;flex-direction:column}
.ypd-title-h1{margin:0 0 14px;font-size:27px;line-height:1.4;font-weight:800;color:#101a26;letter-spacing:-.3px}
.ypd-subtitle{font-size:15px;line-height:1.8;color:#5a6673;margin:0 0 14px}
.ypd-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.ypd-badge{font-size:12px;font-weight:700;color:#fff;background:#101a26;padding:6px 14px;border-radius:99px;letter-spacing:.5px}
.ypd-badge.hot{background:#00a28c}
.ypd-region-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.ypd-region-tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:#0e5c50;background:rgba(0,194,168,.09);padding:7px 13px;border-radius:99px}
.ypd-region-tag svg{color:#00a28c}
.ypd-price-row{display:flex;align-items:baseline;gap:8px;margin-bottom:14px;padding:12px 16px;border-radius:12px;background:linear-gradient(135deg,rgba(26,58,92,.05),rgba(0,194,168,.07));border:1px solid #eaf1f6}
.ypd-price-label{font-size:13px;color:#8a94a6}
.ypd-price-value{font-size:22px;font-weight:800;color:#1a3a5c}
.ypd-summary{margin-bottom:14px;padding:14px 16px;background:#f7f9fc;border-left:3px solid #00c2a8;border-radius:0 10px 10px 0}
.ypd-summary p{margin:0;font-size:14px;line-height:1.85;color:#3d4654}
.ypd-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.ypd-tag{font-size:12.5px;font-weight:600;color:#1a3a5c;background:rgba(26,58,92,.07);padding:6px 13px;border-radius:99px;text-decoration:none;transition:all .3s}
.ypd-tag:hover{background:#1a3a5c;color:#fff}
.ypd-info-mid{margin-bottom:20px}
.ypd-sub-block-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:800;color:#101a26;margin:0 0 14px}
.ypd-sub-block-title svg{color:#1a3a5c}
.ypd-specs{overflow:hidden;border:1px solid #eef2f7;border-radius:12px}
.ypd-specs-table{width:100%;border-collapse:collapse;font-size:13.5px}
.ypd-specs-table td{padding:11px 14px;border-bottom:1px solid #f1f4f8}
.ypd-specs-table tr:last-child td{border-bottom:none}
.ypd-spec-key{color:#8a94a6;width:38%;white-space:nowrap}
.ypd-spec-value{color:#101a26;font-weight:700}
.ypd-spec-only{color:#101a26;font-weight:700;line-height:1.7}
.ypd-actions{display:flex;gap:12px;margin-bottom:16px}
.ypd-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 20px;border-radius:12px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;text-decoration:none;border:none;transition:transform .3s,box-shadow .3s}
.ypd-btn svg{width:17px;height:17px}
.ypd-btn-phone{background:#fff;color:#1a3a5c;border:1px solid #1a3a5c}
.ypd-btn-phone:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(26,58,92,.14)}
.ypd-btn-inquiry{background:linear-gradient(135deg,#1a3a5c,#2a5278);color:#fff;box-shadow:0 10px 24px rgba(26,58,92,.22)}
.ypd-btn-inquiry:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(26,58,92,.3)}
.ypd-meta{display:flex;flex-wrap:wrap;gap:18px;padding-top:14px;border-top:1px solid #f1f4f8}
.ypd-meta-item{font-size:13px;color:#8a94a6}
.ypd-meta-item strong{color:#3d4654}

/* ====== 正文区块 ====== */
.ypd-block{background:#fff;border:1px solid #eef2f7;border-radius:20px;box-shadow:0 4px 18px rgba(16,26,38,.05);padding:34px;margin-top:26px}
.ypd-block-title{position:relative;margin:0 0 22px;font-size:23px;font-weight:800;color:#101a26;padding-left:16px}
.ypd-block-title::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:4px;background:linear-gradient(180deg,#1a3a5c,#00c2a8)}
.ypd-content-body{font-size:15px;line-height:2;color:#3d4654}
.ypd-content-body p{margin:0 0 16px}
.ypd-content-body p:last-child{margin-bottom:0}
.ypd-content-body img{max-width:100%;height:auto;border-radius:10px;margin:8px 0}
.ypd-content-body h2,.ypd-content-body h3,.ypd-content-body h4{color:#101a26;margin:24px 0 12px}
.ypd-content-body ul,.ypd-content-body ol{padding-left:22px;margin:0 0 16px}
.ypd-content-body table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}
.ypd-content-body td,.ypd-content-body th{padding:10px 12px;border:1px solid #e5e9f0}

.ypd-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ypd-related-card{display:block;background:#fff;border:1px solid #eef2f7;border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 3px 14px rgba(16,26,38,.04);transition:transform .4s,box-shadow .4s,border-color .4s}
.ypd-related-card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:0 16px 34px rgba(26,58,92,.14)}
.ypd-related-img{aspect-ratio:4/3;background:linear-gradient(150deg,#eef3fb,#e4ecfa 55%,#f6f9ff);overflow:hidden}
.ypd-related-img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;display:block;transition:transform .5s}
.ypd-related-card:hover .ypd-related-img img{transform:scale(1.05)}
.ypd-related-body{padding:14px 14px 16px}
.ypd-related-body h4{margin:0 0 8px;font-size:15px;line-height:1.4;font-weight:700;color:#101a26;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ypd-related-body p{margin:0;font-size:13px;line-height:1.7;color:#8a94a6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.ypd-downloads-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ypd-download-card{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid #eef2f7;border-radius:14px;text-decoration:none;color:inherit;background:#f8fafd;transition:transform .3s,box-shadow .3s,border-color .3s}
.ypd-download-card:hover{transform:translateY(-4px);border-color:transparent;box-shadow:0 12px 26px rgba(26,58,92,.12)}
.ypd-download-icon{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#1a3a5c,#2a5278);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;letter-spacing:.5px}
.ypd-download-body{flex:1;display:flex;flex-direction:column;gap:2px}
.ypd-download-body strong{font-size:15px;font-weight:700;color:#101a26}
.ypd-download-body span{font-size:12.5px;color:#8a94a6}
.ypd-download-card>svg{color:#a6aebb;flex-shrink:0}
.ypd-download-card:hover>svg{color:#1a3a5c}
.ypd-downloads-note{margin:16px 0 0;font-size:12.5px;color:#8a94a6;text-align:center}

.ypd-related-articles{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ypd-ra-item{display:block;background:#f8fafd;border:1px solid #eef2f7;border-radius:12px;padding:16px 18px;text-decoration:none;color:inherit;transition:transform .3s,box-shadow .3s,border-color .3s}
.ypd-ra-item:hover{transform:translateY(-4px);border-color:transparent;box-shadow:0 12px 26px rgba(26,58,92,.1)}
.ypd-ra-body h4{margin:0 0 8px;font-size:15.5px;line-height:1.45;font-weight:700;color:#101a26;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ypd-ra-body p{margin:0 0 10px;font-size:13px;line-height:1.7;color:#8a94a6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ypd-ra-meta{display:flex;justify-content:space-between;font-size:12.5px;color:#a6aebb}

.ypd-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ypd-nav-item{display:flex;flex-direction:column;gap:6px;padding:18px 22px;border:1px solid #eef2f7;border-radius:14px;background:#f8fafd;text-decoration:none;color:inherit;transition:transform .3s,box-shadow .3s,border-color .3s}
.ypd-nav-item:hover{transform:translateY(-3px);border-color:transparent;box-shadow:0 12px 26px rgba(26,58,92,.1)}
.ypd-nav-prev{align-items:flex-start}
.ypd-nav-next{align-items:flex-end;text-align:right}
.ypd-nav-dir{font-size:12.5px;font-weight:700;letter-spacing:1px;color:#a6aebb;text-transform:uppercase}
.ypd-nav-text{font-size:15px;font-weight:700;color:#1a3a5c}
.ypd-nav-empty{visibility:hidden}

/* ====== 咨询区块 ====== */
.ypd-booking{background:linear-gradient(135deg,#0d2440,#1a3a5c 55%,#1f6f5e);color:#fff;padding:66px 0}
.ypd-booking-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.ypd-booking-title{margin:0 0 14px;font-size:28px;font-weight:800;letter-spacing:.5px}
.ypd-booking-sub{font-size:15px;line-height:1.9;color:rgba(255,255,255,.78);margin:0 0 26px;max-width:480px}
.ypd-booking-centers{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.ypd-booking-center{display:flex;align-items:center;gap:16px;padding:16px 20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:14px;transition:background .3s,transform .3s}
.ypd-booking-center:hover{background:rgba(255,255,255,.12);transform:translateX(4px)}
.ypd-bc-region{font-size:15px;font-weight:800;white-space:nowrap}
.ypd-bc-scope{flex:1;font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.5}
.ypd-bc-phone{font-size:14.5px;font-weight:800;color:#7fe6d8;text-decoration:none;white-space:nowrap}
.ypd-bc-phone:hover{color:#fff}
.ypd-booking-form{background:#fff;border-radius:18px;padding:26px;box-shadow:0 20px 48px rgba(0,0,0,.25)}
.ypd-booking-inquiry .inquiry-embed-head{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:#101a26;margin-bottom:16px}
.ypd-booking-fallback{display:inline-flex;padding:14px 22px;border-radius:12px;background:linear-gradient(135deg,#1a3a5c,#2a5278);color:#fff;font-size:15px;font-weight:700;text-decoration:none}

/* ====== 响应式 ====== */
@media(max-width:1100px){
  .ypd-top-grid{grid-template-columns:1fr;gap:24px}
  .ypd-wrap{grid-template-columns:260px 1fr;gap:22px}
}
@media(max-width:991px){
  .ypd-wrap{grid-template-columns:1fr}
  .ypd-related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .ypd-hero{min-height:180px;padding:32px 0 40px}
  .ypd-hero-title{font-size:23px}
  .ypd-section{padding:36px 0 60px}
  .ypd-top-grid{padding:18px;border-radius:14px}
  .ypd-title-h1{font-size:22px}
  .ypd-block{padding:24px 18px;border-radius:14px}
  .ypd-block-title{font-size:20px}
  .ypd-related-grid{grid-template-columns:1fr 1fr;gap:12px}
  .ypd-downloads-grid{grid-template-columns:1fr}
  .ypd-related-articles{grid-template-columns:1fr}
  .ypd-actions{flex-direction:column}
  .ypd-booking{padding:48px 0}
  .ypd-booking-grid{grid-template-columns:1fr;gap:32px}
  .ypd-booking-title{font-size:23px}
  .ypd-booking-center{flex-wrap:wrap;gap:10px}
  .ypd-bc-phone{white-space:normal}
}