/* ==========================================================================
   product.css —— 产品详情页专用样式
   依赖 assets/site.css（基础变量、按钮、导航、页脚、FAQ 手风琴、.rv 动画）
   ========================================================================== */

/* ---------- 产品 Hero ---------- */
.p-hero{padding:30px 0 46px;border-bottom:1px solid var(--line);background:radial-gradient(900px 460px at 10% -20%,#ffe9eb 0%,rgba(255,233,235,0) 60%),radial-gradient(700px 400px at 100% 0%,#fff1ec 0%,rgba(255,241,236,0) 55%),var(--white)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumb > * + *{margin-left:7px}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#c4c8cf}
.crumb .cur{color:var(--brand-deep);font-weight:600}
.p-hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.p-badge{display:inline-flex;align-items:center;background:#fff;border:1px solid var(--line);box-shadow:0 4px 14px rgba(122,10,22,.05);color:var(--brand-deep);font-size:13.5px;font-weight:600;padding:8px 16px;border-radius:999px;margin-bottom:18px}
.p-badge > * + *{margin-left:10px}
.p-badge .dot{width:8px;height:8px;border-radius:50%;background:#2fbf71;box-shadow:0 0 0 4px rgba(47,191,113,.15)}
.p-hero h1{font-size:38px;font-size:clamp(28px,3.9vw,43px);line-height:1.24;font-weight:800;color:#262A31;letter-spacing:.4px}
.p-hero h1 .grad{background:linear-gradient(92deg,#c00010 12%,#ff4d4d 58%,#ff5831 112%);-webkit-background-clip:text;background-clip:text;color:transparent}
.p-hero .hero-sub{margin-top:16px}
.p-hero .hero-cta{margin-top:22px}
.p-hero .hero-trust{margin-top:20px}

/* 产品速览卡 */
.p-quick{background:#82201c;border-radius:20px;padding:24px 24px 22px;color:#fff;box-shadow:0 30px 70px rgba(96,5,14,.4);position:relative;overflow:hidden}
.p-quick::after{content:"";position:absolute;right:-80px;top:-80px;width:240px;height:240px;border-radius:50%;background:rgba(255,88,49,.16)}
.p-quick h3{color:#fff;font-size:18px;margin-bottom:14px;position:relative}
.p-quick .qlist{display:grid;gap:13px;position:relative}
.p-quick .qline{display:flex;align-items:flex-start}
.p-quick .qline > * + *{margin-left:11px}
.p-quick .qline .ic{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#ff5831;flex:none}
.p-quick .qline .ic svg{width:17px;height:17px}
.p-quick dt{font-size:12.5px;color:#f6c6cd;letter-spacing:.4px}
.p-quick dd{font-size:14.8px;color:#fff;font-weight:600;margin-top:3px;line-height:1.6}

/* ---------- 通用区块 ---------- */
.p-sec{padding:56px 0}
.p-sec.alt{background:var(--bg-soft)}
.p-sec .section-head{margin-bottom:26px}
.p-sec .section-head.center{margin-left:auto;margin-right:auto}

/* ---------- 适合谁 / 功能 / 场景 ---------- */
.fit-grid,.feat-grid,.p-scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fit-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;transition:.3s}
.fit-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#f4a7b2}
.fit-item .ic{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.fit-item .ic svg{width:24px;height:24px}
.fit-item h3{font-size:17.5px;margin-bottom:8px}
.fit-item p{font-size:14.4px;color:var(--muted);line-height:1.8}

.feat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;transition:.3s;position:relative;overflow:hidden}
.feat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);opacity:0;transition:opacity .3s}
.feat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.feat:hover::before{opacity:1}
.feat .n{font-size:12.5px;font-weight:700;color:#9AA0A8;letter-spacing:1px}
.feat h3{font-size:17.5px;margin:6px 0 8px}
.feat p{font-size:14.3px;color:var(--muted);line-height:1.8}

/* ---------- 选型建议表 ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.ver-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;font-size:14.5px;min-width:640px}
.ver-table th{background:var(--brand-50);color:var(--brand-deep);font-weight:700;font-size:14px;text-align:left;padding:13px 18px;border-bottom:1px solid #f8b9c3;white-space:nowrap}
.ver-table td{padding:14px 18px;border-bottom:1px solid #eef0f3;color:var(--muted);vertical-align:top;line-height:1.78}
.ver-table tr:last-child td{border-bottom:none}
.ver-table td:first-child{font-weight:600;color:#262A31}
.ver-table b{color:var(--brand-deep)}
.p-note{margin-top:14px;font-size:13px;color:#99999B;line-height:1.8}

/* ---------- 联系 CTA 区 ---------- */
.p-cta{background:linear-gradient(160deg,#6c1219 0%,#ab2129 55%,#d8333c 100%);padding:52px 0;position:relative;overflow:hidden}
.p-cta::before{content:"";position:absolute;width:420px;height:420px;left:-170px;top:-170px;border-radius:50%;border:1.5px dashed rgba(255,255,255,.14)}
.p-cta::after{content:"";position:absolute;width:520px;height:520px;right:-200px;bottom:-230px;border-radius:50%;border:1.5px dashed rgba(255,255,255,.14)}
.p-cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.p-cta h2{color:#fff;font-size:28px;font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.p-cta p{color:#f3c2c8;font-size:15.5px;line-height:1.85;max-width:580px}
.p-cta .hero-cta{margin-top:22px}
.p-cta .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}
.p-cta .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff}
.p-cta .qr-card{margin-top:0}
.p-cta .c-item{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 14px;display:flex;align-items:flex-start}
.p-cta .c-item > * + *{margin-left:12px}
.p-cta .c-item .ic{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.12);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.p-cta .c-item .ic svg{width:20px;height:20px}
.p-cta .c-item b{display:block;color:#fff;font-size:14px;margin-bottom:2px}
.p-cta .c-item span{color:#f3c2c8;font-size:13.5px}
.p-cta .c-item .ph{color:#ffd9de}
.p-cta .c-item .ph a{color:#ffd9de}

/* ---------- 相关产品 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 14px;transition:.3s;display:flex;flex-direction:column;align-items:center;text-align:center}
.rel-card > * + *{margin-top:9px}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#f4a7b2}
.rel-card .p-logo{width:46px;height:46px;border-radius:13px;font-size:16px}
.rel-card b{font-size:15.5px;color:#262A31}
.rel-card span{font-size:12.5px;color:var(--muted);line-height:1.5}
.rel-card .go{font-size:13px;font-weight:600;color:var(--brand);margin-top:auto}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .p-hero-inner,.p-cta-inner{grid-template-columns:1fr;gap:34px}
  .fit-grid,.feat-grid,.p-scene-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:760px){
  .p-hero{padding:24px 0 34px}
  .p-sec{padding:44px 0}
  .fit-grid,.feat-grid,.p-scene-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr 1fr}
  .p-cta{padding:40px 0}
  .ver-table{font-size:13.5px}
  .ver-table th,.ver-table td{padding:11px 13px}
  .p-cta .qr-card{flex-direction:column;align-items:flex-start}
}

/* ---- 四列卡片变体（服务页/关于页） ---- */
.fit-grid.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1024px){
  .fit-grid.g4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .fit-grid.g4{grid-template-columns:1fr}
}