/* ===== 网络安全防护 — 纵深防御矩阵布局 ===== */

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

/* Hero — 盾牌扫描 */
.sc-hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:var(--blue-900)}
.sc-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}
.sc-hero-shield{position:absolute;right:-100px;top:50%;transform:translateY(-50%);width:500px;height:500px;background:radial-gradient(circle,rgba(37,99,235,.2),transparent 70%);border-radius:50%}
.sc-hero-scan{position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(96,165,250,.08) 50%,transparent);animation:sc-scan-move 4s ease-in-out infinite}
@keyframes sc-scan-move{0%,100%{transform:translateY(-100%)}50%{transform:translateY(100%)}}
.sc-hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,36,99,.92),rgba(13,58,140,.7))}
.sc-hero-content{position:relative;z-index:2;padding:80px 0 60px}
.sc-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}
.sc-hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--blue-300);animation:pulse 2s infinite}
.sc-hero-title{font-size:3.5rem;font-weight:800;color:var(--white);line-height:1.1;letter-spacing:-.02em;margin-bottom:24px}
.sc-hero-title .hl{color:var(--blue-300)}
.sc-hero-sub{font-size:1.15rem;color:var(--blue-100);line-height:1.7;max-width:580px;margin-bottom:36px}
.sc-hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.sc-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)}
.sc-hero-cta .btn-primary:hover{background:var(--blue-400);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.sc-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)}
.sc-hero-cta .btn-outline svg{width:18px;height:18px}
.sc-hero-cta .btn-outline:hover{border-color:var(--blue-300);background:rgba(37,99,235,.15)}
.sc-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}
.sc-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)}
.sc-hero-stat .num{font-size:2.5rem;font-weight:800;color:var(--blue-300);line-height:1}
.sc-hero-stat .num span{font-size:1rem;font-weight:600;margin-left:2px}
.sc-hero-stat .label{font-size:.85rem;color:var(--blue-100);margin-top:8px}

/* 五层防御 */
.sc-defense{padding:96px 0;background:var(--white)}
.sc-defense-stack{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.sc-def-layer{display:grid;grid-template-columns:60px 1fr 1fr 56px;gap:20px;align-items:center;background:var(--slate-50);border:1px solid var(--slate-200);border-left:4px solid var(--layer-color);border-radius:14px;padding:20px 24px;transition:all .3s var(--ease)}
.sc-def-layer:hover{transform:translateX(6px);box-shadow:var(--shadow-md)}
.sc-def-num{font-size:1.4rem;font-weight:800;color:var(--layer-color);text-align:center}
.sc-def-info h4{font-size:1rem;font-weight:700;color:var(--slate-800);margin-bottom:4px}
.sc-def-info p{font-size:.85rem;color:var(--slate-500)}
.sc-def-products{display:flex;flex-wrap:wrap;gap:6px}
.sc-def-products span{font-size:.75rem;padding:4px 10px;border-radius:5px;background:var(--white);color:var(--blue-600);font-weight:500;border:1px solid var(--blue-100)}
.sc-def-icon{width:56px;height:56px;border-radius:14px;background:var(--layer-color);display:flex;align-items:center;justify-content:center;color:var(--white)}
.sc-def-icon svg{width:28px;height:28px}

/* 威胁生命周期 */
.sc-lifecycle{padding:96px 0;background:var(--slate-50)}
.sc-lifecycle-ring{display:flex;align-items:flex-start;justify-content:center;gap:8px;flex-wrap:wrap}
.sc-lc-step{flex:1;min-width:180px;max-width:240px;background:var(--white);border:1px solid var(--slate-200);border-radius:16px;padding:28px 20px;text-align:center;transition:all .3s var(--ease)}
.sc-lc-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--blue-200)}
.sc-lc-icon{width:56px;height:56px;border-radius:50%;background:var(--blue-50);display:flex;align-items:center;justify-content:center;color:var(--blue-500);margin:0 auto 16px}
.sc-lc-icon svg{width:28px;height:28px}
.sc-lc-step h4{font-size:1rem;font-weight:700;color:var(--slate-800);margin-bottom:10px}
.sc-lc-step p{font-size:.82rem;color:var(--slate-500);line-height:1.5}
.sc-lc-arrow{display:flex;align-items:center;padding-top:40px;font-size:1.5rem;color:var(--blue-300);font-weight:300}

/* 等保合规 */
.sc-compliance{padding:96px 0;background:var(--white)}
.sc-comp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sc-comp-item{display:flex;align-items:flex-start;gap:14px;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:14px;padding:24px;transition:all .3s var(--ease)}
.sc-comp-item:hover{border-color:var(--blue-200);box-shadow:var(--shadow-md)}
.sc-comp-check{width:32px;height:32px;border-radius:50%;background:var(--blue-500);color:var(--white);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sc-comp-check svg{width:18px;height:18px}
.sc-comp-item h4{font-size:.95rem;font-weight:700;color:var(--slate-800);margin-bottom:6px}
.sc-comp-item p{font-size:.82rem;color:var(--slate-500);line-height:1.5}

/* 产品矩阵 */
.sc-products{padding:96px 0;background:var(--slate-50)}
.sc-prod-table{max-width:900px;margin:0 auto;border-radius:16px;overflow:hidden;border:1px solid var(--slate-200);background:var(--white)}
.sc-prod-row{display:grid;grid-template-columns:1fr 1.2fr 1.5fr 1fr;gap:0}
.sc-prod-row>div{padding:16px 20px;font-size:.88rem;color:var(--slate-600);border-bottom:1px solid var(--slate-100)}
.sc-prod-row:last-child>div{border-bottom:none}
.sc-prod-row:not(.sc-prod-head):hover{background:var(--blue-50)}
.sc-prod-head{background:var(--blue-900)}
.sc-prod-head>div{color:var(--blue-200);font-weight:600;font-size:.82rem;border-bottom:none}

/* Responsive */
@media(max-width:768px){
  .sc-hero-title{font-size:2.2rem}
  .sc-hero-sub{font-size:1rem}
  .sc-hero-stats{grid-template-columns:1fr 1fr;gap:12px}
  .sc-def-layer{grid-template-columns:40px 1fr;gap:12px}
  .sc-def-products,.sc-def-icon{grid-column:1/-1}
  .sc-def-icon{display:none}
  .sc-lc-arrow{display:none}
  .sc-lc-step{max-width:none}
  .sc-comp-grid{grid-template-columns:1fr}
  .sc-prod-row{grid-template-columns:1fr}
  .sc-prod-row>div{border-bottom:1px solid var(--slate-100)}
  .sc-prod-head{display:none}
}

/* SVG装饰 - 点阵图案 */
.sc-defense{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 */
.sc-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}
.sc-defense::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}