/* ========= 解决方案 Banner ========= */
.pls-hero{position:relative;display:flex;align-items:center;min-height:347px;padding:54px 0 67px;background:linear-gradient(135deg,#061535 0%,#0d2b6b 45%,#15419e 100%);color:#fff;overflow:hidden}
.pls-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 30%,rgba(30,106,224,.25) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(0,224,195,.15) 0%,transparent 50%);pointer-events:none}
.pls-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}
.pls-hero-overlay{position:absolute;inset:0;z-index:1}
.pls-hero-inner{position:relative;z-index:2;text-align:center}
.pls-hero-crumb{font-size:14px;color:rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:22px;letter-spacing:.5px}
.pls-hero-crumb a{color:rgba(255,255,255,.8);text-decoration:none;transition:color .3s}
.pls-hero-crumb a:hover{color:#fff}
.pls-crumb-sep{opacity:.4}
.pls-hero-title{font-size:42px;font-weight:700;line-height:1.5;letter-spacing:3px;margin-bottom:16px;white-space:pre-line}
.pls-hero-sub{font-size:16px;color:rgba(255,255,255,.7);max-width:680px;margin:0 auto;line-height:2;letter-spacing:1px;white-space:pre-line}

/* ========= 正文区 ========= */
.yb-sol-section{background:#fff;padding:80px 0 100px;position:relative}
.yb-sol-section .container{max-width:1200px;margin:0 auto;padding:0 20px}

.yb-caliper{height:4px;background:linear-gradient(90deg,#1a3a5c 0%,#1a3a5c 30%,#ea580c 30%,#ea580c 46%,#1a3a5c 46%,#1a3a5c 62%,#ea580c 62%,#ea580c 70%,#1a3a5c 70%);border-radius:2px;margin-bottom:24px;max-width:120px}
.yb-eyebrow{font-size:13px;font-weight:600;letter-spacing:3px;color:#1a3a5c;margin-bottom:12px;text-transform:uppercase}
.yb-eyebrow::after{content:"";display:inline-block;width:24px;height:2px;background:#ea580c;margin-left:10px;vertical-align:middle}
.yb-page-title{font-size:36px;font-weight:800;color:#0f2640;line-height:1.3;margin-bottom:16px;letter-spacing:-.5px}
.yb-lead{font-size:16px;color:#4a5568;line-height:1.9;max-width:900px;margin-bottom:48px}
.yb-lead strong{color:#0f2640;font-weight:700}

/* ========= sol-card 列表（1 列） ========= */
.yb-sol-list{display:grid;grid-template-columns:1fr;gap:16px}
.yb-sol-card{background:#fff;border:1px solid #eef2f7;border-radius:8px;padding:24px 28px;transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease;position:relative}
.yb-sol-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#1a3a5c 0%,#ea580c 100%);border-radius:8px 0 0 8px;opacity:0;transition:opacity .3s ease}
.yb-sol-card:hover{box-shadow:0 12px 32px rgba(15,38,64,.1);transform:translateY(-2px);border-color:#d6e0ea}
.yb-sol-card:hover::before{opacity:1}

.yb-sol-card-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.yb-case-no{display:inline-block;font-size:12px;font-weight:600;letter-spacing:1.5px;color:#1a3a5c;background:#eef2f7;padding:4px 12px;border-radius:4px;flex-shrink:0}
.yb-sol-title{font-size:22px;font-weight:700;color:#0f2640;line-height:1.4;margin:0;flex:1;min-width:200px}
.yb-sol-title a{color:inherit;text-decoration:none;transition:color .3s}
.yb-sol-title a:hover{color:#ea580c}

/* ========= 产品参数 ========= */
.yb-sol-params{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.yb-sol-param{font-size:15px;line-height:1.7;color:#4a5568;padding:10px 14px;background:#f7f9fc;border-radius:6px;border-left:3px solid #eef2f7}
.yb-sol-param b{font-weight:700;color:#0f2640}
.yb-sol-param.first{color:#000;border-left-color:#000}
.yb-sol-param.first b{color:#000}
.yb-sol-param.second{color:#ea580c;border-left-color:#ea580c;background:rgba(234,88,12,.04)}
.yb-sol-param.second b{color:#ea580c}

.yb-sol-sum{font-size:15px;color:#4a5568;line-height:1.8;margin:0 0 18px}

/* ========= 动态标识 ========= */
.yb-sol-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.yb-badge{display:inline-block;padding:5px 14px;border-radius:4px;font-size:12px;font-weight:600;letter-spacing:.5px;color:#fff;background:#000}
.yb-badge.hot{background:#ea580c}

/* ========= CTA ========= */
.yb-sol-cta{text-align:center;margin-top:48px}
.yb-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;background:#ea580c;color:#fff;text-decoration:none;border-radius:6px;font-size:15px;font-weight:600;letter-spacing:1px;transition:all .3s ease;box-shadow:0 4px 14px rgba(234,88,12,.3)}
.yb-btn svg{width:18px;height:18px;transition:transform .3s}
.yb-btn:hover{background:#d4460c;box-shadow:0 6px 20px rgba(234,88,12,.4);transform:translateY(-2px)}
.yb-btn:hover svg{transform:translateX(4px)}

/* ========= 空状态 ========= */
.yb-empty{text-align:center;padding:80px 20px;color:#9ca3af}
.yb-empty svg{margin:0 auto 16px;display:block;color:#d6e0ea}
.yb-empty p{font-size:15px}

/* ========= 响应式 ========= */
@media(max-width:768px){
  .pls-hero{min-height:267px;padding:40px 0 47px}
  .pls-hero-title{font-size:28px}
  .pls-hero-sub{font-size:14px}
  .yb-sol-section{padding:60px 0 80px}
  .yb-sol-section .container{padding:0 15px}
  .yb-page-title{font-size:26px}
  .yb-lead{font-size:14px;margin-bottom:32px}
  .yb-sol-card{padding:18px 18px}
  .yb-sol-title{font-size:18px}
  .yb-sol-param{font-size:14px;padding:8px 12px}
  .yb-case-no{font-size:11px}
  .yb-btn{padding:12px 24px;font-size:14px}
}