/* ============================================================
   service-operation.css — 网站运维托管页
   布局特征：深色全屏 hero / 三档价格卡 / SLA 数字条 / 左图右清单
   ============================================================ */

/* ---------- 1. Hero ---------- */
.op-hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;padding:150px 0 100px}
.op-hero-bg{position:absolute;inset:-8% 0;background-size:cover;background-position:center}
.op-hero-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,20,20,.92) 0%,rgba(20,20,20,.65) 60%,rgba(20,20,20,.35) 100%)}
.op-hero-inner{position:relative;z-index:2;max-width:680px}
.op-crumb{font-size:13px;color:#C9BFAE;margin-bottom:30px;letter-spacing:.04em}
.op-crumb a{color:#DFC69B}
.op-crumb a:hover{color:#fff}
.op-crumb span{margin:0 8px;opacity:.6}
.op-crumb em{font-style:normal;color:#fff}
.op-hero-title{color:#fff;font-size:clamp(34px,5vw,60px);font-weight:900;line-height:1.2;margin-bottom:24px}
.op-gold{background:var(--grad-coffee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.op-hero-sub{color:#D5CDBE;font-size:16px;line-height:1.9;margin-bottom:34px}
.op-hero-cta{display:flex;flex-wrap:wrap;gap:16px}

/* ---------- 2. 三档价格卡 ---------- */
.op-packs{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.op-pack{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 30px;position:relative;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.op-pack-hot{border:2px solid var(--coffee);transform:translateY(-10px)}
.op-pack-flag{position:absolute;top:18px;right:18px;background:var(--grad-coffee);color:#fff;font-size:11px;font-weight:800;padding:4px 12px;border-radius:20px;letter-spacing:.1em}
.op-pack h3{font-size:22px;margin-bottom:4px}
.op-pack-desc{font-size:13px;color:var(--text-2);margin-bottom:22px}
.op-pack ul{margin-bottom:30px;flex:1}
.op-pack ul li{padding:9px 0 9px 26px;position:relative;font-size:14px;border-bottom:1px dashed var(--line)}
.op-pack ul li::before{content:"✓";position:absolute;left:0;color:var(--coffee-deep);font-weight:800}
.op-pack .btn{align-self:flex-start}

/* ---------- 3. SLA 数字条 ---------- */
.op-sla{background:linear-gradient(135deg,#2B2824,#141414);padding:76px 0}
.op-sla-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.op-sla-item b{display:block;font-size:clamp(38px,4.4vw,56px);font-weight:900;color:var(--coffee-bright);line-height:1.1}
.op-sla-item span{color:#B7AE9E;font-size:13px;margin-top:10px;display:block;letter-spacing:.05em}

/* ---------- 4. 左图右清单 ---------- */
.op-check{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.op-check-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.op-check-list{margin-top:26px}
.op-check-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(0,0,0,.06);align-items:baseline}
.op-check-list b{flex-shrink:0;min-width:110px;font-size:15px;color:var(--ink)}
.op-check-list span{font-size:13.5px;color:var(--text-2);line-height:1.7}

/* ---------- 5. 响应流程 ---------- */
.op-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:op}
.op-step{background:var(--coffee-bg);border-radius:var(--radius-lg);padding:34px 28px;position:relative}
.op-step-ic{display:inline-flex;width:52px;height:52px;border-radius:50%;background:#fff;color:var(--coffee-deep);align-items:center;justify-content:center;margin-bottom:18px;box-shadow:var(--shadow-sm)}
.op-step-ic svg{width:24px;height:24px}
.op-step h3{font-size:17px;margin-bottom:8px}
.op-step p{font-size:13.5px;color:var(--text-2);line-height:1.85}

/* ---------- 6. FAQ ---------- */
.op-faq-wrap{max-width:860px}
.op-faq{border-top:1px solid var(--line);background:#fff;border-radius:var(--radius-md);padding:0 32px;box-shadow:var(--shadow-sm)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:last-child{border-bottom:none}
.acc-head{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);padding:22px 4px;cursor:pointer}
.acc-arrow{width:13px;height:13px;border-right:2px solid var(--coffee-deep);border-bottom:2px solid var(--coffee-deep);transform:rotate(45deg);flex-shrink:0;transition:transform .35s;margin-top:-5px}
.acc-item.open .acc-arrow{transform:rotate(225deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .45s ease}
.acc-panel p{padding:0 4px 22px;color:var(--text-2);font-size:14px;line-height:1.9}
.acc-panel a{color:var(--coffee-deep);font-weight:600}

/* ---------- 7. CTA ---------- */
.op-cta{background:var(--grad-coffee);padding:120px 0;text-align:center;overflow:hidden;position:relative}
.op-cta::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.15)}
.op-cta-inner{position:relative;z-index:2;max-width:640px;margin:0 auto}
.op-cta-title{color:#fff;font-size:clamp(26px,4vw,44px);font-weight:900;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,.15)}
.op-cta-sub{color:rgba(255,255,255,.9);font-size:16px;margin-bottom:36px}
.op-cta-row{display:flex;justify-content:center;flex-wrap:wrap;gap:16px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .op-packs{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .op-pack-hot{transform:none}
  .op-check{grid-template-columns:1fr;gap:36px}
  .op-flow{grid-template-columns:1fr}
  .op-sla-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .op-sla-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .op-check-list li{flex-direction:column;gap:2px}
}