/* ===== 数据中心方案�?- 独立样式 ===== */
/* 青蓝主题 · 剖面图式布局 */

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

/* 左右分栏Hero */
.dc-hero{display:grid;grid-template-columns:1.1fr 1fr;min-height:80vh;background:#0F172A;position:relative;overflow:hidden}
.dc-hero-bg{position:absolute;inset:0;background-image:url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=1920&q=90&auto=format&fit=crop');background-size:cover;background-position:center;opacity:.15;z-index:1;pointer-events:none}
.dc-hero-left{display:flex;align-items:center;padding:80px 56px;position:relative;overflow:hidden}
.dc-hero-left::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 600px 400px at 30% 50%,rgba(37,99,235,.15),transparent 70%)}
.dc-hero-content{position:relative;z-index:2;max-width:520px}
.dc-hero-badge{display:inline-flex;align-items:center;gap:10px;padding:7px 18px;border-radius:100px;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.2);color:#3B82F6;font-size:.82rem;font-weight:500;margin-bottom:28px}
.dc-hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#3B82F6;box-shadow:0 0 8px #3B82F6}
.dc-hero-title{font-size:2.8rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;color:#fff;margin-bottom:24px}
.dc-hero-title .hl{background:linear-gradient(135deg,#60A5FA,#3B82F6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.dc-hero-sub{font-size:1rem;color:rgba(255,255,255,.55);line-height:1.7;margin-bottom:32px}
.dc-hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.dc-hero-right{display:flex;align-items:center;justify-content:center;padding:80px 40px;background:linear-gradient(135deg,#0F172A,#0A2463);position:relative}
.dc-hero-right::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(34,211,238,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.03) 1px,transparent 1px);background-size:40px 40px}
.dc-hero-visual{position:relative;z-index:1;width:100%;max-width:360px}
.dc-rack{background:rgba(255,255,255,.04);border:1px solid rgba(34,211,238,.15);border-radius:12px;padding:16px;backdrop-filter:blur(10px)}
.dc-rack-unit{display:flex;align-items:center;gap:12px;padding:12px 16px;background:rgba(255,255,255,.03);border-radius:8px;margin-bottom:8px;font-size:.85rem;color:rgba(255,255,255,.7);font-weight:500}
.dc-rack-unit:last-child{margin-bottom:0}
.dc-rack-led{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.dc-rack-led.on{background:#3B82F6;box-shadow:0 0 6px #3B82F6}
.dc-rack-led.blink{background:#3B82F6;box-shadow:0 0 6px #3B82F6;animation:dcBlink 1.5s infinite}
@keyframes dcBlink{0%,100%{opacity:1}50%{opacity:.3}}
.dc-hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.dc-hero-metric{text-align:center;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:16px}
.dc-hero-metric .num{font-size:1.6rem;font-weight:800;background:linear-gradient(135deg,#fff,#60A5FA);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:2px}
.dc-hero-metric .num span{font-size:.9rem;font-weight:600}
.dc-hero-metric .label{font-size:.78rem;color:rgba(255,255,255,.4)}

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

/* 机房垂直剖面 */
.dc-layers{padding:96px 0;background:var(--white)}
.dc-layer-stack{display:flex;flex-direction:column;gap:8px;max-width:900px;margin:0 auto}
.dc-layer{display:grid;grid-template-columns:200px 1fr;gap:0;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:12px;overflow:hidden;transition:all .3s var(--ease)}
.dc-layer:hover{border-color:var(--layer-c);box-shadow:0 8px 24px rgba(0,0,0,.06);transform:translateX(4px)}
.dc-layer-side{background:var(--layer-bg);padding:24px 28px;display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--slate-200)}
.dc-layer-num{font-size:2rem;font-weight:800;color:var(--layer-c);letter-spacing:-.03em;margin-bottom:4px}
.dc-layer-name{font-size:.92rem;font-weight:700;color:var(--slate-700)}
.dc-layer-content{padding:24px 28px}
.dc-layer-desc{font-size:.88rem;color:var(--slate-600);line-height:1.6;margin-bottom:12px}
.dc-layer-items{display:flex;flex-wrap:wrap;gap:6px}
.dc-layer-items span{font-size:.78rem;padding:5px 12px;border-radius:6px;background:var(--layer-bg);color:var(--layer-c);font-weight:600;border:1px solid rgba(0,0,0,.04)}

/* 仪表盘式指标 */
.dc-gauges{padding:96px 0;background:#0F172A;position:relative;overflow:hidden}
.dc-gauges::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 400px at 50% 0%,rgba(37,99,235,.12),transparent 60%)}
.dc-gauges .dc-sec-head .s-title{color:#fff}
.dc-gauges .dc-sec-head .s-sub{color:rgba(255,255,255,.5)}
.dc-gauges .dc-sec-head .eyebrow{color:#3B82F6}
.dc-gauges .dc-sec-head .eyebrow::before{background:#3B82F6}
.dc-gauge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1}
.dc-gauge{text-align:center}
.dc-gauge-ring{position:relative;width:140px;height:140px;margin:0 auto 16px}
.dc-gauge-ring svg{width:100%;height:100%}
.dc-gauge-val{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:800;color:#fff}
.dc-gauge-val span{font-size:.9rem;font-weight:600}
.dc-gauge-label{font-size:.88rem;color:rgba(255,255,255,.5);font-weight:500}

/* 建设标准对比 */
.dc-standards{padding:96px 0;background:var(--white)}
.dc-std-compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:800px;margin:0 auto}
.dc-std-card{background:var(--slate-50);border:2px solid var(--slate-200);border-radius:16px;overflow:hidden;transition:all .35s var(--ease-out)}
.dc-std-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.dc-std-featured{border-color:#3B82F6;box-shadow:0 8px 32px rgba(37,99,235,.1)}
.dc-std-head{padding:28px 28px 20px;position:relative;background:linear-gradient(135deg,rgba(37,99,235,.04),transparent)}
.dc-std-badge{display:inline-block;padding:6px 18px;border-radius:8px;background:#1E50CC;color:#fff;font-size:.9rem;font-weight:800;letter-spacing:.03em;margin-bottom:12px}
.dc-std-head h3{font-size:1.1rem;font-weight:600;color:var(--slate-500);font-style:italic}
.dc-std-tag{position:absolute;top:24px;right:24px;padding:4px 12px;border-radius:100px;background:#3B82F6;color:#fff;font-size:.76rem;font-weight:600}
.dc-std-body{padding:24px 28px 28px}
.dc-std-item{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--slate-700);margin-bottom:12px;font-weight:500}
.dc-std-item svg{width:20px;height:20px;color:#1E50CC;flex-shrink:0}
.dc-std-price{margin-top:20px;padding:12px;border-radius:10px;background:rgba(37,99,235,.08);color:#1E50CC;font-size:.85rem;font-weight:600;text-align:center}

/* 纵向部署流程 */
.dc-process{padding:96px 0;background:var(--slate-50)}
.dc-process-track{max-width:700px;margin:0 auto;position:relative}
.dc-process-track::before{content:'';position:absolute;left:40px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,#3B82F6,#1E50CC,#0A2463);opacity:.2}
.dc-process-step{display:grid;grid-template-columns:80px 1fr;gap:24px;margin-bottom:24px;position:relative}
.dc-process-num{width:80px;height:80px;border-radius:50%;background:var(--white);border:3px solid #1E50CC;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:800;color:#1E50CC;position:relative;z-index:1;box-shadow:0 4px 16px rgba(37,99,235,.1)}
.dc-process-body{background:var(--white);border:1px solid var(--slate-200);border-radius:12px;padding:24px 28px;transition:all .3s var(--ease)}
.dc-process-body:hover{border-color:#3B82F6;box-shadow:0 8px 24px rgba(37,99,235,.08)}
.dc-process-body h4{font-size:1.1rem;font-weight:700;color:var(--slate-900);margin-bottom:8px}
.dc-process-body p{font-size:.88rem;color:var(--slate-500);line-height:1.6}

/* Responsive */
@media(max-width:968px){
  .dc-hero{grid-template-columns:1fr}
  .dc-hero-left{padding:60px 32px;min-height:auto}
  .dc-hero-right{padding:40px 32px}
  .dc-hero-title{font-size:2.1rem}
  .dc-layer{grid-template-columns:1fr}
  .dc-layer-side{border-right:none;border-bottom:1px solid var(--slate-200)}
  .dc-gauge-grid{grid-template-columns:repeat(2,1fr)}
  .dc-std-compare{grid-template-columns:1fr}
  .dc-process-step{grid-template-columns:60px 1fr;gap:16px}
  .dc-process-num{width:60px;height:60px;font-size:1.1rem}
}
@media(max-width:640px){
  .dc-hero-title{font-size:1.6rem}
  .dc-hero-cta{flex-direction:column;gap:12px;width:100%}
  .dc-hero-cta .btn-primary,.dc-hero-cta .btn-outline{width:100%;justify-content:center}
  .dc-gauge-grid{grid-template-columns:1fr 1fr}
  .dc-process-step{grid-template-columns:1fr;text-align:center}
  .dc-process-track::before{display:none}
  .dc-process-num{margin:0 auto}
}

/* SVG装饰 - 点阵图案 */
.dc-features{position:relative;background-image:radial-gradient(circle,rgba(37,99,235,.04) 1px,transparent 1px);background-size:24px 24px}

/* SVG装饰 - 波浪分割线 + 浮动图形 */
.dc-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}
.dc-features::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}