/* PC品牌台式机维修专题页独立样式 - 14个品牌页共用 */
:root{--pc-primary:#1a56db;--pc-primary-dark:#0e3a9e;--pc-accent:#f59e0b;--pc-text:#1f2937;--pc-gray:#6b7280;--pc-light:#f3f6fc;--pc-border:#e5e7eb;--pc-radius:12px;--pc-shadow:0 4px 20px rgba(26,86,219,.08)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--pc-text);line-height:1.7;background:#fff;font-size:16px}
a{text-decoration:none;color:inherit;transition:color .2s}
a:hover{color:var(--pc-primary)}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 浮动按钮 */

.float-tel-box{position:fixed;right:20px;bottom:100px;z-index:9997;display:flex;flex-direction:column;gap:10px}
.float-tel,.float-wechat,.back-to-top{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;cursor:pointer;transition:transform .2s,opacity .3s;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.float-tel{background:#10b981}.float-wechat{background:#07c160}.back-to-top{background:var(--pc-primary);opacity:0;visibility:hidden}
.back-to-top.show{opacity:1;visibility:visible}
.float-tel:hover,.float-wechat:hover,.back-to-top:hover{transform:scale(1.1)}

/* 头部 */
.logo-header{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.06);position:sticky;top:0;z-index:999}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap i{font-size:28px;color:var(--pc-primary)}
.logo-text{font-size:20px;font-weight:bold;color:var(--pc-primary)}
.main-nav ul{display:flex;gap:24px}
.main-nav a{font-size:15px;color:#374151;font-weight:500}
.main-nav a:hover{color:var(--pc-primary)}

/* Banner */
.page-banner{background:linear-gradient(135deg,var(--pc-primary) 0%,var(--pc-primary-dark) 100%);color:#fff;padding:60px 0;text-align:center}
.page-banner h1{font-size:32px;margin-bottom:12px}
.page-banner p{font-size:18px;opacity:.9}

/* 面包屑 */
.breadcrumb{background:#f9fafb;padding:12px 0;font-size:14px;color:var(--pc-gray)}
.breadcrumb a{color:var(--pc-gray)}
.breadcrumb a:hover{color:var(--pc-primary)}
.breadcrumb span{margin:0 8px;color:#d1d5db}
.breadcrumb .current{color:var(--pc-text)}

/* 内容区 */
.content-section{padding:50px 0}
.content-section.bg-light{background:var(--pc-light)}
.section-heading{text-align:center;margin-bottom:40px}
.section-heading h2{font-size:28px;color:var(--pc-text);margin-bottom:10px;position:relative;display:inline-block}
.section-heading h2::after{content:"";display:block;width:50px;height:3px;background:var(--pc-accent);margin:10px auto 0;border-radius:2px}
.section-heading p{color:var(--pc-gray);font-size:16px}
.about-intro p{margin-bottom:16px;color:#374151;line-height:1.9;text-align:justify}

/* 故障网格 */
.fault-wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.fault-item{background:#fff;border:1px solid var(--pc-border);border-radius:var(--pc-radius);padding:24px;text-align:center;transition:transform .2s,box-shadow .2s}
.fault-item:hover{transform:translateY(-4px);box-shadow:var(--pc-shadow)}
.fault-item i{font-size:36px;color:var(--pc-primary);margin-bottom:12px}
.fault-item h4{font-size:17px;margin-bottom:8px;color:var(--pc-text)}
.fault-item p{font-size:14px;color:var(--pc-gray);line-height:1.6}

/* 系列列表 */
.price-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.price-item{background:#fff;border:1px solid var(--pc-border);border-radius:var(--pc-radius);padding:24px;transition:box-shadow .2s}
.price-item:hover{box-shadow:var(--pc-shadow)}
.price-item h4{font-size:18px;margin-bottom:10px;color:var(--pc-primary);display:flex;align-items:center;gap:8px}
.price-item p{font-size:14px;color:#4b5563;line-height:1.7}

/* 服务卡片 */
.card-wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.service-card{background:#fff;border-radius:var(--pc-radius);overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--pc-shadow)}
.card-head{background:linear-gradient(135deg,var(--pc-primary),var(--pc-primary-dark));color:#fff;padding:20px;display:flex;align-items:center;gap:12px}
.card-head i{font-size:28px}
.card-head h3{font-size:18px}
.service-list{padding:20px}
.service-list li{padding:8px 0;font-size:14px;color:#374151;border-bottom:1px dashed #e5e7eb;display:flex;align-items:center;gap:8px}
.service-list li:last-child{border-bottom:none}
.service-list i{color:#10b981;font-size:14px}

/* 质保 */
.warranty-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:24px}
.warranty-card{text-align:center;padding:24px;border:1px solid var(--pc-border);border-radius:var(--pc-radius);background:#f9fafb}
.warranty-card i{font-size:32px;color:var(--pc-primary);margin-bottom:10px}
.warranty-card h3{font-size:16px;margin-bottom:6px}
.warranty-card p{font-size:14px;color:var(--pc-gray)}
.warranty-note{background:#f9fafb;padding:20px;border-radius:var(--pc-radius)}
.warranty-note h3{font-size:16px;margin-bottom:10px;color:var(--pc-text)}
.warranty-note ul{padding-left:20px}
.warranty-note li{font-size:14px;color:var(--pc-gray);line-height:2;list-style:disc}

/* 价格表 */
.price-table-wrap{overflow-x:auto;margin-bottom:20px}
.price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--pc-radius);overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);border:1px solid #e5e7eb}
.price-table thead{background:linear-gradient(135deg,var(--pc-primary),var(--pc-primary-dark))}
.price-table th{color:#fff;padding:14px 12px;text-align:center;font-size:15px;font-weight:bold;border:1px solid rgba(255,255,255,.2)}
.price-table td{padding:12px 12px;border:1px solid #e5e7eb;font-size:14px;color:#374151;text-align:center;vertical-align:middle}
.price-table tbody tr:hover{background:#f0f5ff}
.price-table .cat-row{background:#e8eefc;font-weight:bold;color:var(--pc-primary);font-size:15px;text-align:left}
.price-table .cat-row td{padding:10px 16px;text-align:left}
.price-table .price{color:#dc2626;font-weight:bold;white-space:nowrap}
.price-note{background:#f9fafb;padding:20px;border-radius:var(--pc-radius)}
.price-note h3{font-size:16px;margin-bottom:10px;color:var(--pc-text)}
.price-note ul{padding-left:20px}
.price-note li{font-size:14px;color:var(--pc-gray);line-height:2;list-style:disc}

/* FAQ */
.faq-detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(480px,1fr));gap:20px}
.faq-detail-item{background:#fff;border:1px solid var(--pc-border);border-radius:var(--pc-radius);padding:20px;transition:box-shadow .2s}
.faq-detail-item:hover{box-shadow:var(--pc-shadow)}
.faq-q{font-size:16px;font-weight:bold;color:var(--pc-primary);margin-bottom:10px;display:flex;gap:8px}
.faq-q::before{content:"Q";color:#fff;background:var(--pc-primary);width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.faq-a{font-size:14px;color:#4b5563;line-height:1.8;padding-left:32px}

/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.review-card{background:#fff;border:1px solid var(--pc-border);border-radius:var(--pc-radius);padding:24px;transition:transform .2s,box-shadow .2s}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--pc-shadow)}
.review-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.review-user{display:flex;align-items:center;gap:10px}
.review-name{font-size:15px;font-weight:bold;color:var(--pc-text)}
.review-tag{font-size:13px;color:var(--pc-gray);margin-top:2px}
.review-stars{color:var(--pc-accent);font-size:16px;letter-spacing:2px}
.review-content{font-size:14px;color:#4b5563;line-height:1.8}

/* 品牌链接 */
.brand-link-section{padding:50px 0}
.brand-link-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.brand-link-item{display:block;text-align:center;padding:14px 10px;background:#fff;border:1px solid var(--pc-border);border-radius:8px;font-size:14px;color:#374151;transition:all .2s;line-height:1.5}
.brand-link-item:hover{background:var(--pc-primary);color:#fff;border-color:var(--pc-primary);transform:translateY(-2px)}

/* CTA */
.cta-section{background:linear-gradient(135deg,var(--pc-primary),var(--pc-primary-dark));color:#fff;padding:50px 0;text-align:center}
.cta-section h2{font-size:26px;margin-bottom:10px}
.cta-section p{font-size:16px;opacity:.9;margin-bottom:24px}
.tel-btn{display:inline-block;background:#fff;color:var(--pc-primary);padding:14px 36px;border-radius:50px;font-size:18px;font-weight:bold;transition:transform .2s}
.tel-btn:hover{transform:scale(1.05);color:var(--pc-primary-dark)}

/* 页脚 */
footer{background:#1f2937;color:#9ca3af;padding:40px 0 20px}
.footer-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h5{color:#fff;font-size:16px;margin-bottom:14px}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:14px;color:#9ca3af}
.footer-col a:hover{color:#fff}
footer p{font-size:13px;line-height:2;text-align:center}
footer .icp-info{margin-top:16px}
footer .icp-info a{color:#6b7280;margin:0 6px}

/* 响应式 */
@media(max-width:768px){
  .main-nav{display:none}
.page-banner{padding:40px 0}
  .page-banner h1{font-size:24px}
  .page-banner p{font-size:15px}
  .content-section{padding:30px 0}
  .section-heading h2{font-size:22px}
  .faq-detail-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .brand-link-grid{grid-template-columns:repeat(3,1fr)}
  .price-table th,.price-table td{padding:10px 8px;font-size:13px}
  .price-table{width:max-content;min-width:100%;margin-right:58px}
  .float-tel-box{right:10px;bottom:80px}
  .float-tel,.float-wechat,.back-to-top{width:44px;height:44px;font-size:18px}
  .logo-text{font-size:16px}
  .fault-wrap{grid-template-columns:repeat(2,1fr);gap:12px}
  .fault-item{padding:16px}
  .fault-item i{font-size:28px}
  .fault-item h4{font-size:15px}
  .fault-item p{font-size:12px}
  .price-list{grid-template-columns:repeat(2,1fr);gap:12px}
  .price-item{padding:16px}
  .price-item h4{font-size:15px}
  .price-item p{font-size:12px}
  .warranty-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .warranty-card{padding:16px}
  .warranty-card i{font-size:24px}
  .warranty-card h3{font-size:14px}
  .warranty-card p{font-size:12px}
  .footer-nav{grid-template-columns:repeat(2,1fr);gap:20px}
}

/* header phone */
.header-phone{display:flex;align-items:center;gap:6px;color:#1a3a5c;font-weight:600;font-size:15px;white-space:nowrap;margin-left:20px;}
.header-phone i{color:#2563eb;font-size:16px;}
.header-phone span{letter-spacing:0.5px;}

/* 移动端汉堡菜单 */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    z-index: 101;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: row !important;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 0 !important;
    }
    .nav-toggle {
        display: flex;
    }
    .main-nav {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid rgba(255,255,255,0.15);
    }
    .main-nav.open {
        display: block;
    }
    .main-nav ul {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .main-nav li {
        list-style: none;
    }
    .main-nav li a {
        padding: 12px 10px;
        font-size: 15px;
        text-align: center;
        border-radius: 8px;
        display: block;
    }
}