/* ===== 灾备与运维托管 — NOC监控中心布局 ===== */

/* Breadcrumb */
.dr-breadcrumb{background:var(--slate-50);padding:14px 0;border-bottom:1px solid var(--slate-200)}
.dr-breadcrumb a{color:var(--blue-600);font-weight:500}
.dr-breadcrumb span{color:var(--slate-400);margin:0 6px}
.dr-breadcrumb .current{color:var(--slate-700);font-weight:600}

/* Hero — 监控网格背景 */
.dr-hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:var(--blue-900)}
.dr-hero-bg{position:absolute;inset:0;background-image:url('https://images.unsplash.com/photo-1573164713988-8665fc963095?w=1920&q=90&auto=format&fit=crop');background-size:cover;background-position:center;opacity:.15;z-index:1;pointer-events:none}
.dr-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.15) 1px,transparent 1px);background-size:40px 40px;animation:dr-grid-pan 20s linear infinite}
@keyframes dr-grid-pan{0%{transform:translate(0,0)}100%{transform:translate(40px,40px)}}
.dr-hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 40%,rgba(37,99,235,.3),transparent 60%),linear-gradient(135deg,rgba(10,36,99,.9),rgba(13,58,140,.7))}
.dr-hero-content{position:relative;z-index:2;padding:80px 0 60px}
.dr-hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:20px;background:rgba(37,99,235,.2);border:1px solid rgba(96,165,250,.3);color:var(--blue-200);font-size:.85rem;font-weight:500;margin-bottom:24px}
.dr-hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--blue-300);animation:pulse 2s infinite}
.dr-hero-title{font-size:3.5rem;font-weight:800;color:var(--white);line-height:1.1;letter-spacing:-.02em;margin-bottom:24px}
.dr-hero-title .hl{color:var(--blue-300)}
.dr-hero-sub{font-size:1.15rem;color:var(--blue-100);line-height:1.7;max-width:580px;margin-bottom:36px}
.dr-hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.dr-hero-cta .btn-primary{padding:14px 32px;border-radius:10px;background:var(--blue-500);color:var(--white);font-weight:600;border:none;cursor:pointer;transition:all .3s var(--ease)}
.dr-hero-cta .btn-primary:hover{background:var(--blue-400);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.dr-hero-cta .btn-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:10px;border:2px solid rgba(147,197,253,.4);color:var(--white);font-weight:600;transition:all .3s var(--ease)}
.dr-hero-cta .btn-outline svg{width:18px;height:18px}
.dr-hero-cta .btn-outline:hover{border-color:var(--blue-300);background:rgba(37,99,235,.15)}
.dr-hero-metrics{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:var(--max-w);margin:0 auto;padding:0 24px 60px}
.dr-hero-metric{background:rgba(255,255,255,.06);border:1px solid rgba(147,197,253,.15);border-radius:16px;padding:24px;text-align:center;backdrop-filter:blur(10px)}
.dr-hero-metric .num{font-size:2.5rem;font-weight:800;color:var(--blue-300);line-height:1}
.dr-hero-metric .num span{font-size:1rem;font-weight:600;margin-left:2px}
.dr-hero-metric .label{font-size:.85rem;color:var(--blue-100);margin-top:8px}

/* RTO/RPO Timeline */
.dr-rto{padding:96px 0;background:var(--white)}
.dr-timeline{position:relative;max-width:900px;margin:0 auto;padding:40px 0}
.dr-tl-line{position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--blue-200),var(--blue-500),var(--blue-200));transform:translateX(-50%)}
.dr-tl-item{position:relative;display:flex;align-items:center;margin-bottom:40px}
.dr-tl-item:nth-child(odd){justify-content:flex-end;padding-right:50%}
.dr-tl-item:nth-child(even){justify-content:flex-start;padding-left:50%}
.dr-tl-dot{position:absolute;left:50%;width:16px;height:16px;border-radius:50%;background:var(--blue-500);border:4px solid var(--white);box-shadow:0 0 0 4px var(--blue-100);transform:translateX(-50%);z-index:2}
.dr-tl-time{font-size:.8rem;font-weight:700;color:var(--blue-600);letter-spacing:.03em;margin-bottom:6px}
.dr-tl-card{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:14px;padding:20px 24px;max-width:340px;transition:all .3s var(--ease)}
.dr-tl-card:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.dr-tl-card h4{font-size:1rem;font-weight:700;color:var(--slate-800);margin-bottom:8px}
.dr-tl-card p{font-size:.85rem;color:var(--slate-500);line-height:1.5;margin-bottom:10px}
.dr-tl-tag{display:inline-block;font-size:.75rem;font-weight:600;padding:3px 10px;border-radius:6px;background:var(--blue-50);color:var(--blue-600)}
.dr-tl-item:nth-child(odd) .dr-tl-time{text-align:right}
.dr-tl-item:nth-child(odd) .dr-tl-card{text-align:right}
.dr-tl-item:nth-child(odd) .dr-tl-tag{float:right}

/* 备份策略 */
.dr-backup{padding:96px 0;background:var(--slate-50)}
.dr-bkup-tiers{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.dr-bkup-tier{display:grid;grid-template-columns:56px 1fr 120px;gap:20px;align-items:center;background:var(--white);border:1px solid var(--slate-200);border-radius:14px;padding:20px 24px;transition:all .3s var(--ease)}
.dr-bkup-tier:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md)}
.dr-bkup-icon{width:56px;height:56px;border-radius:14px;background:var(--blue-50);display:flex;align-items:center;justify-content:center;color:var(--blue-500)}
.dr-bkup-icon svg{width:28px;height:28px}
.dr-bkup-info h4{font-size:1rem;font-weight:700;color:var(--slate-800);margin-bottom:4px;display:flex;align-items:center;gap:10px}
.dr-bkup-rpo{font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:5px;background:var(--blue-100);color:var(--blue-700)}
.dr-bkup-info p{font-size:.85rem;color:var(--slate-500)}
.dr-bkup-bar{height:8px;background:var(--slate-100);border-radius:4px;overflow:hidden}
.dr-bkup-fill{height:100%;background:linear-gradient(90deg,var(--blue-400),var(--blue-600));border-radius:4px;transition:width 1s var(--ease)}

/* NOCC Dashboard */
.dr-nocc{padding:96px 0;background:var(--white)}
.dr-dashboard{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.dr-dash-panel{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:16px;padding:24px;margin-bottom:20px}
.dr-dash-panel-head{font-size:.9rem;font-weight:700;color:var(--slate-700);margin-bottom:18px;display:flex;align-items:center;gap:8px}
.dr-dash-dot{width:8px;height:8px;border-radius:50%}
.dr-dash-dot.ok{background:var(--blue-500);box-shadow:0 0 0 3px var(--blue-100)}
.dr-dash-dot.warn{background:var(--amber);box-shadow:0 0 0 3px rgba(245,158,11,.2)}
.dr-health-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dr-health-item{text-align:center}
.dr-health-ring{position:relative;width:72px;height:72px;margin:0 auto 8px}
.dr-health-ring svg{width:100%;height:100%}
.dr-health-val{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700;color:var(--blue-600)}
.dr-health-label{font-size:.78rem;color:var(--slate-500);font-weight:500}
.dr-alert-list{display:flex;flex-direction:column;gap:10px}
.dr-alert-item{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:10px 14px;border-radius:8px;background:var(--white);font-size:.82rem}
.dr-alert-item.resolved{border-left:3px solid var(--blue-400)}
.dr-alert-item.ok{border-left:3px solid var(--blue-500)}
.dr-alert-status{font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:4px}
.dr-alert-item.resolved .dr-alert-status{background:var(--blue-50);color:var(--blue-600)}
.dr-alert-item.ok .dr-alert-status{background:var(--blue-100);color:var(--blue-700)}
.dr-alert-text{color:var(--slate-600)}
.dr-alert-time{color:var(--slate-400);font-size:.75rem}
.dr-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dr-stat-card{background:var(--white);border-radius:10px;padding:16px;text-align:center}
.dr-stat-num{font-size:1.8rem;font-weight:800;color:var(--blue-600);line-height:1}
.dr-stat-num span{font-size:.85rem;font-weight:600}
.dr-stat-label{font-size:.78rem;color:var(--slate-500);margin-top:6px}
.dr-svc-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dr-svc-item{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--slate-600);padding:6px 0}
.dr-svc-item svg{width:16px;height:16px;color:var(--blue-500);flex-shrink:0}

/* SLA */
.dr-sla{padding:96px 0;background:var(--slate-50)}
.dr-sla-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto}
.dr-sla-card{position:relative;background:var(--white);border:1px solid var(--slate-200);border-radius:20px;padding:36px 28px;text-align:center;transition:all .3s var(--ease)}
.dr-sla-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.dr-sla-card.featured{border:2px solid var(--blue-500);box-shadow:var(--shadow-blue)}
.dr-sla-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--blue-500);color:var(--white);font-size:.75rem;font-weight:600;padding:4px 16px;border-radius:12px}
.dr-sla-level{font-size:.9rem;font-weight:600;color:var(--slate-500);margin-bottom:8px}
.dr-sla-uptime{font-size:2.5rem;font-weight:800;color:var(--blue-600);margin-bottom:6px}
.dr-sla-desc{font-size:.85rem;color:var(--slate-500);margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--slate-100)}
.dr-sla-features{display:flex;flex-direction:column;gap:12px;align-items:flex-start;text-align:left}
.dr-sla-features div{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--slate-600)}
.dr-sla-features svg{width:16px;height:16px;color:var(--blue-500);flex-shrink:0}

/* 灾备演练 */
.dr-drill{padding:96px 0;background:var(--white)}
.dr-drill-flow{display:flex;align-items:flex-start;justify-content:center;gap:8px;flex-wrap:wrap}
.dr-drill-step{flex:1;min-width:140px;max-width:180px;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:14px;padding:24px 16px;text-align:center;transition:all .3s var(--ease)}
.dr-drill-step:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.dr-drill-num{width:36px;height:36px;border-radius:50%;background:var(--blue-500);color:var(--white);font-size:1.1rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.dr-drill-step h4{font-size:.92rem;font-weight:700;color:var(--slate-800);margin-bottom:8px}
.dr-drill-step p{font-size:.78rem;color:var(--slate-500);line-height:1.5}
.dr-drill-arrow{display:flex;align-items:center;padding-top:36px;color:var(--blue-300)}
.dr-drill-arrow svg{width:24px;height:24px}

/* Responsive */
@media(max-width:768px){
  .dr-hero-title{font-size:2.2rem}
  .dr-hero-sub{font-size:1rem}
  .dr-hero-metrics{grid-template-columns:1fr 1fr;gap:12px}
  .dr-tl-line{left:20px}
  .dr-tl-item:nth-child(odd),.dr-tl-item:nth-child(even){justify-content:flex-start;padding:0 0 0 50px}
  .dr-tl-dot{left:20px}
  .dr-tl-item:nth-child(odd) .dr-tl-time,.dr-tl-item:nth-child(odd) .dr-tl-card,.dr-tl-item:nth-child(odd) .dr-tl-tag{text-align:left;float:none}
  .dr-bkup-tier{grid-template-columns:48px 1fr;gap:14px}
  .dr-bkup-bar{grid-column:1/-1}
  .dr-dashboard{grid-template-columns:1fr}
  .dr-health-grid{grid-template-columns:1fr 1fr}
  .dr-sla-grid{grid-template-columns:1fr}
  .dr-drill-arrow{display:none}
  .dr-drill-step{max-width:none}
}

/* SVG装饰 - 点阵图案 */
.dr-bkup{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 */
.dr-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}
.dr-bkup::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}