/* ===== 视频监控集成 — 安防指挥中心布局 ===== */

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

/* Hero — 摄像头矩阵 */
.cv-hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:var(--blue-900)}
.cv-hero-bg{position:absolute;inset:0;background-image:url('https://images.unsplash.com/photo-1563013544-824ae1b704d3?w=1920&q=90&auto=format&fit=crop');background-size:cover;background-position:center;opacity:.15;z-index:1;pointer-events:none}
.cv-hero-cameras{position:absolute;inset:0}
.cv-cam-grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(4,1fr);gap:4px;opacity:.15}
.cv-cam-grid::before,.cv-cam-grid::after{content:'';grid-column:1/-1;grid-row:1/-1;background:repeating-linear-gradient(135deg,transparent 0,transparent 60px,rgba(96,165,250,.1) 60px,rgba(96,165,250,.1) 62px)}
.cv-hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 70% 30%,rgba(37,99,235,.4),transparent 50%),linear-gradient(135deg,rgba(10,36,99,.92),rgba(13,58,140,.75))}
.cv-hero-content{position:relative;z-index:2;padding:80px 0 60px}
.cv-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}
.cv-hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--blue-300);animation:pulse 2s infinite}
.cv-hero-title{font-size:3.5rem;font-weight:800;color:var(--white);line-height:1.1;letter-spacing:-.02em;margin-bottom:24px}
.cv-hero-title .hl{color:var(--blue-300)}
.cv-hero-sub{font-size:1.15rem;color:var(--blue-100);line-height:1.7;max-width:580px;margin-bottom:36px}
.cv-hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.cv-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)}
.cv-hero-cta .btn-primary:hover{background:var(--blue-400);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.cv-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)}
.cv-hero-cta .btn-outline svg{width:18px;height:18px}
.cv-hero-cta .btn-outline:hover{border-color:var(--blue-300);background:rgba(37,99,235,.15)}
.cv-hero-stats{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}
.cv-hero-stat{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)}
.cv-hero-stat .num{font-size:2.5rem;font-weight:800;color:var(--blue-300);line-height:1}
.cv-hero-stat .num span{font-size:1rem;font-weight:600;margin-left:2px}
.cv-hero-stat .label{font-size:.85rem;color:var(--blue-100);margin-top:8px}

/* AI 分析 */
.cv-ai{padding:96px 0;background:var(--white)}
.cv-ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cv-ai-card{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:18px;overflow:hidden;transition:all .3s var(--ease)}
.cv-ai-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--blue-200)}
.cv-ai-preview{position:relative;height:200px;background:linear-gradient(135deg,var(--blue-900),var(--blue-700));overflow:hidden}
.cv-ai-scene{position:absolute;inset:20px;border:1px solid rgba(147,197,253,.2);border-radius:8px}
.cv-ai-box{position:absolute;border:2px solid var(--blue-300);border-radius:4px;padding:4px 8px;font-size:.7rem;color:var(--blue-200);background:rgba(37,99,235,.3);backdrop-filter:blur(4px)}
.cv-ai-box.face{top:30%;left:20%;width:50px;height:60px}
.cv-ai-box.face2{top:45%;right:25%;width:45px;height:55px}
.cv-ai-box.behavior{top:25%;left:30%;width:80px;height:50px}
.cv-ai-box.behavior2{bottom:20%;right:20%;width:70px;height:45px}
.cv-ai-box.vehicle{top:40%;left:15%;width:90px;height:40px}
.cv-ai-box.vehicle2{bottom:25%;right:15%;width:80px;height:35px}
.cv-ai-scan{position:absolute;inset:0;background:linear-gradient(transparent,rgba(96,165,250,.15),transparent);animation:cv-scan 3s linear infinite}
@keyframes cv-scan{0%{transform:translateY(-100%)}100%{transform:translateY(100%)}}
.cv-ai-card h3{font-size:1.2rem;font-weight:700;color:var(--slate-800);padding:24px 24px 10px}
.cv-ai-card p{font-size:.88rem;color:var(--slate-500);line-height:1.6;padding:0 24px 16px}
.cv-ai-tags{display:flex;flex-wrap:wrap;gap:8px;padding:0 24px 24px}
.cv-ai-tags span{font-size:.78rem;padding:5px 12px;border-radius:6px;background:var(--blue-50);color:var(--blue-600);font-weight:500}

/* 存储策略 */
.cv-storage{padding:96px 0;background:var(--slate-50)}
.cv-store-tiers{display:flex;align-items:stretch;justify-content:center;gap:12px;max-width:1000px;margin:0 auto}
.cv-store-tier{flex:1;max-width:280px;background:var(--white);border:1px solid var(--slate-200);border-radius:16px;padding:28px 24px;text-align:center;transition:all .3s var(--ease)}
.cv-store-tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.cv-store-tier.hot{border-top:4px solid var(--blue-500)}
.cv-store-tier.warm{border-top:4px solid var(--blue-400)}
.cv-store-tier.cold{border-top:4px solid var(--blue-300)}
.cv-store-temp{font-size:.8rem;font-weight:600;color:var(--blue-500);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}
.cv-store-days{font-size:1.8rem;font-weight:800;color:var(--slate-800);margin-bottom:12px}
.cv-store-media{font-size:.9rem;font-weight:600;color:var(--blue-600);padding:6px 14px;border-radius:8px;background:var(--blue-50);display:inline-block;margin-bottom:14px}
.cv-store-desc{font-size:.82rem;color:var(--slate-500);line-height:1.5;margin-bottom:16px}
.cv-store-cap{font-size:.78rem;color:var(--slate-400);padding-top:14px;border-top:1px solid var(--slate-100)}
.cv-store-arrow{display:flex;align-items:center;color:var(--blue-300)}
.cv-store-arrow svg{width:24px;height:24px}
.cv-store-note{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:32px;font-size:.82rem;color:var(--slate-400)}
.cv-store-note svg{width:18px;height:18px;color:var(--blue-400)}

/* 指挥调度 */
.cv-command{padding:96px 0;background:var(--white)}
.cv-cmd-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px}
.cv-cmd-wall,.cv-cmd-mobile{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:18px;padding:32px}
.cv-cmd-wall h3,.cv-cmd-mobile h3{font-size:1.1rem;font-weight:700;color:var(--slate-800);margin-bottom:20px}
.cv-wall-mock{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:20px}
.cv-wall-screen{aspect-ratio:16/9;background:var(--blue-900);border-radius:6px;display:flex;align-items:center;justify-content:center;border:1px solid var(--blue-700)}
.cv-wall-screen span{font-size:.7rem;color:var(--blue-300);font-weight:600}
.cv-wall-screen.active{border-color:var(--blue-400);box-shadow:0 0 0 2px var(--blue-400)}
.cv-wall-screen.alert{border-color:var(--amber);box-shadow:0 0 0 2px var(--amber);animation:cv-blink 1.5s infinite}
.cv-wall-screen.alert span{color:var(--amber)}
@keyframes cv-blink{0%,100%{opacity:1}50%{opacity:.6}}
.cv-wall-info{display:flex;justify-content:space-around;padding-top:16px;border-top:1px solid var(--slate-200)}
.cv-wall-info div{font-size:.85rem;color:var(--slate-500)}
.cv-wall-info strong{color:var(--blue-600);font-size:1.1rem;font-weight:800;display:block}
.cv-phone-mock{width:200px;margin:0 auto 20px;background:var(--slate-800);border-radius:24px;padding:12px;box-shadow:var(--shadow-lg)}
.cv-phone-notch{width:60px;height:6px;background:var(--slate-900);border-radius:3px;margin:0 auto 8px}
.cv-phone-screen{background:var(--white);border-radius:16px;overflow:hidden}
.cv-phone-status{display:flex;justify-content:space-between;padding:6px 12px;font-size:.7rem;color:var(--slate-500)}
.cv-phone-feed{position:relative;height:120px;background:linear-gradient(135deg,var(--blue-900),var(--blue-700));margin-bottom:8px}
.cv-phone-live{position:absolute;top:8px;left:8px;background:var(--blue-500);color:var(--white);font-size:.6rem;font-weight:700;padding:2px 6px;border-radius:3px}
.cv-phone-cam-name{position:absolute;bottom:8px;left:8px;color:var(--white);font-size:.72rem;font-weight:600}
.cv-phone-list{padding:4px 8px}
.cv-phone-item{display:flex;align-items:center;gap:6px;padding:6px 8px;font-size:.72rem;color:var(--slate-600);border-radius:6px}
.cv-phone-item .dot{width:6px;height:6px;border-radius:50%;background:var(--blue-400)}
.cv-phone-item.active{background:var(--blue-50);color:var(--blue-600);font-weight:600}
.cv-phone-item.alert .dot{background:var(--amber)}
.cv-mobile-features{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cv-mobile-features div{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--slate-600)}
.cv-mobile-features svg{width:16px;height:16px;color:var(--blue-500);flex-shrink:0}

/* 架构 */
.cv-arch{padding:96px 0;background:var(--slate-50)}
.cv-arch-layers{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.cv-arch-layer{display:grid;grid-template-columns:100px 1fr;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)}
.cv-arch-layer:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md)}
.cv-arch-label{font-size:.85rem;font-weight:700;color:var(--blue-600);text-align:center;padding:8px 0;border-right:2px solid var(--blue-100)}
.cv-arch-items{display:flex;flex-wrap:wrap;gap:10px}
.cv-arch-items span{font-size:.82rem;padding:6px 14px;border-radius:8px;background:var(--blue-50);color:var(--blue-700);font-weight:500;border:1px solid var(--blue-100)}

/* Responsive */
@media(max-width:768px){
  .cv-hero-title{font-size:2.2rem}
  .cv-hero-sub{font-size:1rem}
  .cv-hero-stats{grid-template-columns:1fr 1fr;gap:12px}
  .cv-ai-grid{grid-template-columns:1fr}
  .cv-store-tiers{flex-direction:column}
  .cv-store-arrow{transform:rotate(90deg);justify-content:center}
  .cv-cmd-grid{grid-template-columns:1fr}
  .cv-arch-layer{grid-template-columns:1fr;gap:10px}
  .cv-arch-label{border-right:none;border-bottom:2px solid var(--blue-100);padding:4px 0}
}

/* SVG装饰 - 点阵图案 */
.cv-ai{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 */
.cv-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}
.cv-ai::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}