/* ========= 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}

/* ========= 蓝图索引风正文区 ========= */
.pb-wrap{--pb-ink:#0f2540;--pb-blue:#1a3a6c;--pb-amber:#e8a838;--pb-line:#e2e9f3;--pb-muted:#5a6b82;position:relative;background:#f7fafd;color:var(--pb-ink);padding:0 0 110px;overflow:hidden}
.pb-wrap::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(26,58,108,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(26,58,108,.035) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.pb-shell{position:relative;z-index:1}

.pb-intro{padding:84px 0 8px;position:relative}
.pb-kicker{display:inline-flex;align-items:center;gap:12px;margin:0 0 18px;font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--pb-blue)}
.pb-kicker::before{content:"";width:30px;height:1px;background:var(--pb-amber)}
.pb-title{margin:0;font-size:clamp(30px,4vw,48px);font-weight:800;line-height:1.25;letter-spacing:1px;color:var(--pb-ink)}
.pb-title em{font-style:normal;color:var(--pb-blue);position:relative}
.pb-title em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(232,168,56,.35);z-index:-1}
.pb-lead{margin:24px 0 0;max-width:920px;font-size:16px;line-height:2.05;color:var(--pb-muted)}
.pb-lead strong{color:var(--pb-ink);font-weight:700}

.pb-list{margin-top:46px;border-top:1px solid var(--pb-line)}
.pb-card{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:34px;padding:34px 26px 34px 18px;border-bottom:1px solid var(--pb-line);text-decoration:none;color:inherit;position:relative;transition:background .3s,padding-left .3s}
.pb-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(180deg,var(--pb-blue),var(--pb-amber));transition:width .3s}
.pb-card:hover{background:#fff;padding-left:30px}
.pb-card:hover::before{width:4px}
.pb-card-no{font-family:ui-monospace,Consolas,monospace;font-size:clamp(34px,3.6vw,52px);font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(26,58,108,.4);transition:-webkit-text-stroke-color .3s}
.pb-card:hover .pb-card-no{-webkit-text-stroke-color:var(--pb-amber)}
.pb-card-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.pb-card-title{font-size:clamp(19px,2vw,24px);font-weight:700;letter-spacing:.4px;color:var(--pb-ink);transition:color .3s}
.pb-card:hover .pb-card-title{color:var(--pb-blue)}
.pb-card-desc{font-size:14.5px;line-height:1.95;color:var(--pb-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pb-card-link{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;letter-spacing:.08em;color:var(--pb-amber);opacity:0;transform:translateX(-8px);transition:opacity .3s,transform .3s;white-space:nowrap}
.pb-card:hover .pb-card-link{opacity:1;transform:translateX(0)}
.pb-card-link svg{width:16px;height:16px}

.pb-cta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:22px;margin-top:74px;padding:38px 40px;background:linear-gradient(120deg,#0f2540 0%,#1a3a6c 100%);color:#fff}
.pb-cta p{margin:0;font-size:16px;line-height:1.9;color:rgba(255,255,255,.85)}
.pb-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;background:var(--pb-amber);color:#1a1206;font-size:15px;font-weight:700;text-decoration:none;transition:box-shadow .25s,transform .25s}
.pb-btn svg{width:17px;height:17px;transition:transform .3s}
.pb-btn:hover{box-shadow:0 12px 28px rgba(232,168,56,.4);transform:translateY(-2px);color:#1a1206}
.pb-btn:hover svg{transform:translateX(4px)}

.pb-empty{text-align:center;padding:80px 20px;color:#9aa8bc}
.pb-empty svg{margin:0 auto 16px;display:block;color:#c3d0e2}
.pb-empty p{font-size:15px}

@media(max-width:1199px){
  .pb-intro{padding-top:64px}
}
@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}
  .pb-wrap{padding-bottom:68px}
  .pb-intro{padding-top:46px}
  .pb-lead{font-size:14.5px;line-height:1.95}
  .pb-list{margin-top:30px}
  .pb-card{grid-template-columns:64px 1fr;gap:16px;padding:22px 14px}
  .pb-card:hover{padding-left:20px}
  .pb-card-no{font-size:28px}
  .pb-card-title{font-size:17px}
  .pb-card-desc{font-size:13.5px;-webkit-line-clamp:3}
  .pb-card-link{opacity:1;transform:none;font-size:12.5px}
  .pb-cta{margin-top:52px;padding:26px 22px;flex-direction:column;align-items:flex-start}
  .pb-cta p{font-size:14.5px}
  .pb-btn{width:100%;justify-content:center;padding:13px 22px;font-size:14px}
}