/* ===== 智慧园区方案页- 独立样式 ===== */
/* 翡翠绿主频· 全景式布局 */

/* Breadcrumb */
.pk-breadcrumb{padding:90px 0 0;background:var(--white);font-size:.85rem;color:var(--slate-400)}
.pk-breadcrumb .wrap{display:flex;gap:8px;align-items:center;padding-top:16px;padding-bottom:16px;border-bottom:1px solid var(--slate-100)}
.pk-breadcrumb a{color:var(--slate-500);transition:color .2s}
.pk-breadcrumb a:hover{color:#1E50CC}
.pk-breadcrumb .current{color:#1E50CC;font-weight:600}

/* 沉浸式Hero */
.pk-hero{min-height:88vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;text-align:center}
.pk-hero-bg{position:absolute;inset:0;background-image:url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=90&auto=format&fit=crop');background-size:cover;background-position:center;z-index:1;pointer-events:none}
.pk-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,36,99,.92) 0%,rgba(10,36,99,.75) 50%,rgba(18,70,184,.85) 100%)}
.pk-hero-content{position:relative;z-index:2;max-width:760px;padding:80px 0}
.pk-hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 22px;border-radius:100px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.9);font-size:.85rem;font-weight:500;margin-bottom:32px}
.pk-hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#3B82F6;box-shadow:0 0 12px #3B82F6}
.pk-hero-title{font-size:3.2rem;font-weight:800;letter-spacing:-.03em;line-height:1.1;color:#fff;margin-bottom:28px}
.pk-hero-title .hl{background:linear-gradient(135deg,#60A5FA,#3B82F6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.pk-hero-sub{font-size:1.05rem;color:rgba(255,255,255,.65);line-height:1.8;margin-bottom:48px;max-width:680px;margin-left:auto;margin-right:auto}
.pk-hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;max-width:640px;margin:0 auto}
.pk-hero-stat .num{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg,#fff,#60A5FA);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}
.pk-hero-stat .num span{font-size:1.1rem;font-weight:600}
.pk-hero-stat .label{font-size:.82rem;color:rgba(255,255,255,.5)}
.pk-hero-scroll{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.4);font-size:.8rem}
.pk-hero-scroll svg{width:20px;height:20px;animation:pkBounce 2s infinite}
@keyframes pkBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* Section Head */
.pk-sec-head{margin-bottom:48px}
.pk-sec-head.center{text-align:center}
.pk-sec-head.center .eyebrow{display:inline-block}
.pk-sec-head .s-title{font-size:2rem;font-weight:800;color:var(--slate-900);letter-spacing:-.02em;margin-bottom:12px}
.pk-sec-head .s-sub{font-size:.95rem;color:var(--slate-500);line-height:1.6}

/* Bento Grid 子系统矩阵*/
.pk-systems{padding:96px 0;background:var(--white);position:relative}
.pk-bento{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:auto auto;gap:20px}
.pk-bento-card{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:16px;overflow:hidden;transition:all .35s var(--ease-out)}
.pk-bento-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.08);border-color:#60A5FA}
.pk-bento-lg{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column}
.pk-bento-md{grid-column:span 2}
.pk-bento-sm{grid-column:span 1}
.pk-bento-img{height:240px;background-size:cover;background-position:center;flex-shrink:0}
.pk-bento-body{padding:28px;position:relative}
.pk-bento-num{position:absolute;top:24px;right:28px;font-size:2.4rem;font-weight:800;color:rgba(37,99,235,.1);letter-spacing:-.03em}
.pk-bento-body h3{font-size:1.15rem;font-weight:700;color:var(--slate-900);margin-bottom:10px}
.pk-bento-body p{font-size:.88rem;color:var(--slate-500);line-height:1.6;margin-bottom:12px}
.pk-bento-tags{display:flex;flex-wrap:wrap;gap:6px}
.pk-bento-tags span{font-size:.76rem;padding:4px 10px;border-radius:5px;background:#EFF6FF;color:#1246B8;font-weight:500}
.pk-bento-lg .pk-bento-body{padding:32px}
.pk-bento-lg .pk-bento-body h3{font-size:1.3rem}

/* 智能联动流程 */
.pk-linkage{padding:96px 0;background:linear-gradient(180deg,var(--slate-50),var(--white))}
.pk-linkage-flow{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.pk-link-node{background:var(--white);border:2px solid var(--slate-200);border-radius:16px;padding:24px 20px;text-align:center;min-width:160px;transition:all .3s var(--ease)}
.pk-link-node:hover{border-color:#3B82F6;transform:translateY(-4px);box-shadow:0 8px 24px rgba(37,99,235,.1)}
.pk-link-node.pk-link-trigger{border-color:#3B82F6;background:linear-gradient(135deg,#EFF6FF,#DBEAFE)}
.pk-link-node.pk-link-end{border-color:#3B82F6;background:linear-gradient(135deg,#EFF6FF,#DBEAFE)}
.pk-link-node-ico{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#2563EB,#1246B8);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.pk-link-node-ico svg{width:24px;height:24px;color:#fff}
.pk-link-node h4{font-size:.92rem;font-weight:700;color:var(--slate-800);margin-bottom:6px}
.pk-link-node p{font-size:.8rem;color:var(--slate-500);line-height:1.5}
.pk-link-arrow{color:#2563EB;flex-shrink:0}
.pk-link-arrow svg{width:24px;height:24px}

/* 横向时间纵*/
.pk-timeline{padding:96px 0;background:var(--slate-900);position:relative;overflow:hidden}
.pk-timeline::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 400px at 50% 0%,rgba(37,99,235,.12),transparent 60%)}
.pk-timeline .pk-sec-head .s-title{color:#fff}
.pk-timeline .pk-sec-head .s-sub{color:rgba(255,255,255,.5)}
.pk-timeline .pk-sec-head .eyebrow{color:#3B82F6}
.pk-timeline .pk-sec-head .eyebrow::before{background:#3B82F6}
.pk-timeline-track{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:16px;z-index:1}
.pk-timeline-line{position:absolute;top:20px;left:5%;right:5%;height:2px;background:linear-gradient(90deg,transparent,#2563EB,#2563EB,transparent);z-index:0}
.pk-timeline-item{position:relative;z-index:1;text-align:center}
.pk-timeline-dot{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2563EB,#1246B8);color:#fff;font-size:1rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 0 0 4px rgba(37,99,235,.2),0 4px 12px rgba(37,99,235,.3)}
.pk-timeline-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px 16px;backdrop-filter:blur(10px)}
.pk-timeline-card h4{font-size:.92rem;font-weight:700;color:#fff;margin-bottom:8px}
.pk-timeline-card p{font-size:.8rem;color:rgba(255,255,255,.5);line-height:1.5}

/* 运营大屏预览 */
.pk-dashboard{padding:96px 0;background:var(--white)}
.pk-dashboard-preview{max-width:960px;margin:0 auto}
.pk-dash-panel{background:#0F172A;border-radius:20px;padding:32px;box-shadow:0 24px 64px rgba(0,0,0,.15)}
.pk-dash-panel-head{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.6);font-size:.85rem;font-weight:500;margin-bottom:24px}
.pk-dash-dot{width:10px;height:10px;border-radius:50%;background:#3B82F6;box-shadow:0 0 8px #3B82F6}
.pk-dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.pk-dash-metric{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:20px;text-align:center}
.pk-dash-metric-num{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,#fff,#60A5FA);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}
.pk-dash-metric-num span{font-size:1rem;font-weight:600}
.pk-dash-metric-label{font-size:.78rem;color:rgba(255,255,255,.4)}
.pk-dash-chart{display:flex;align-items:flex-end;gap:8px;height:120px;padding:16px;background:rgba(255,255,255,.03);border-radius:12px}
.pk-dash-bar{flex:1;background:linear-gradient(180deg,#3B82F6,#2563EB);border-radius:4px 4px 0 0;transition:height .5s var(--ease);min-height:8px}

/* 应用场景 */
.pk-scenes{padding:96px 0;background:var(--slate-50)}
.pk-scenes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pk-scene{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:3/4;cursor:pointer;transition:all .4s var(--ease-out)}
.pk-scene:hover{transform:scale(1.02);box-shadow:0 16px 40px rgba(0,0,0,.15)}
.pk-scene-img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s var(--ease-out)}
.pk-scene:hover .pk-scene-img{transform:scale(1.1)}
.pk-scene-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(10,36,99,.9));display:flex;flex-direction:column;justify-content:flex-end;padding:28px}
.pk-scene-overlay h3{font-size:1.15rem;font-weight:700;color:#fff;margin-bottom:8px}
.pk-scene-overlay p{font-size:.85rem;color:rgba(255,255,255,.7);line-height:1.5}

/* Responsive */
@media(max-width:968px){
  .pk-hero{min-height:auto;padding:80px 0 60px}
  .pk-hero-title{font-size:2.2rem}
  .pk-hero-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .pk-bento{grid-template-columns:repeat(2,1fr)}
  .pk-bento-lg{grid-column:span 2}
  .pk-bento-md{grid-column:span 2}
  .pk-bento-sm{grid-column:span 1}
  .pk-linkage-flow{flex-direction:column}
  .pk-link-arrow{transform:rotate(90deg)}
  .pk-timeline-track{grid-template-columns:repeat(3,1fr)}
  .pk-timeline-line{display:none}
  .pk-dash-grid{grid-template-columns:repeat(2,1fr)}
  .pk-scenes-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .pk-hero-title{font-size:1.7rem}
  .pk-hero-stats{grid-template-columns:1fr 1fr}
  .pk-bento{grid-template-columns:1fr}
  .pk-bento-lg,.pk-bento-md,.pk-bento-sm{grid-column:span 1}
  .pk-bento-img{height:180px}
  .pk-timeline-track{grid-template-columns:repeat(2,1fr)}
  .pk-dash-grid{grid-template-columns:1fr 1fr}
  .pk-scenes-grid{grid-template-columns:1fr}
}

/* SVG装饰 - 波浪分割线 + 浮动图形 */
.pk-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60px;background-image:url('data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80' preserveAspectRatio='none'%3E%3Cpath d='M0,40 C360,70 720,10 1080,40 C1260,55 1380,30 1440,40 L1440,80 L0,80 Z' fill='%23F8FAFC'/%3E%3C/svg%3E');background-size:cover;z-index:2;pointer-events:none}
.pk-systems::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:url('data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Ccircle cx='40' cy='40' r='3' fill='%232563EB' opacity='0.1'/%3E%3Ccircle cx='160' cy='60' r='5' fill='%231E50CC' opacity='0.08'/%3E%3Ccircle cx='80' cy='150' r='4' fill='%2360A5FA' opacity='0.1'/%3E%3Ccircle cx='170' cy='170' r='6' fill='%232563EB' opacity='0.06'/%3E%3C/svg%3E');background-repeat:repeat;background-size:200px 200px;opacity:.5;pointer-events:none;z-index:0}