/* =============================================================
   驰铭企业服务 · 前台全局样式
   企业商业主题 · 移动端响应式 · 自定义组件（无浏览器原生样式）
   ============================================================= */
:root{
  --primary:#0f4436;      /* 品牌墨绿 */
  --primary-l:#18644f;    /* 主墨绿 */
  --accent:#b5651d;       /* 强调暖赭 */
  --teal:#0e8a6d;
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5eaf1;
  --danger:#dc2626;
  --success:#16a34a;
  --radius:12px;
  --shadow:0 2px 12px rgba(31,78,121,.08);
  --shadow-lg:0 10px 30px rgba(31,78,121,.12);
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.6}
a{color:var(--primary-l);text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}

/* ---------- 容器与布局 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
.section{padding:40px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:10px}
.section-head h2{font-size:24px;color:var(--primary);font-weight:700}
.section-head p{color:var(--muted);margin-top:4px}
.more-link{font-size:14px;color:var(--primary-l)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary);color:#cfe0f3;font-size:13px;padding:6px 0}
.topbar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.topbar a{color:#fff}
.topbar .tb-r{display:flex;gap:16px}

/* ---------- 导航 ---------- */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary)}
.logo .lg{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.nav-menu{display:flex;gap:4px;list-style:none}
.nav-menu a{display:block;padding:8px 14px;border-radius:8px;color:var(--text);font-weight:500}
.nav-menu a:hover,.nav-menu a.active{background:#e7eee9;color:var(--primary-l)}
.nav-right{display:flex;align-items:center;gap:10px}
.btn-nav{background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;border:none;padding:8px 18px;border-radius:8px;font-weight:600;cursor:pointer;transition:.2s}
.btn-nav:hover{filter:brightness(1.1)}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--primary);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;padding:10px 20px;border-radius:8px;font-weight:600;transition:.2s;font-size:15px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff}
.btn-primary:hover{filter:brightness(1.08)}
.btn-accent{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff}
.btn-outline{background:#fff;border:1px solid var(--line);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary-l);color:var(--primary-l)}
.btn-danger{background:var(--danger);color:#fff}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{color:var(--danger)}
.btn-block{width:100%}
.btn-lg{padding:13px 26px;font-size:16px}
.btn-sm{padding:6px 12px;font-size:13px}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden}
.card-body{padding:20px}

/* ---------- 表单 ---------- */
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:14px;color:var(--text)}
.form-control{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;transition:border .2s,box-shadow .2s}
.form-control:focus{border-color:var(--primary-l);box-shadow:0 0 0 3px rgba(24,100,79,.12)}
select.form-control{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
textarea.form-control{min-height:90px;resize:vertical}
.form-help{font-size:12px;color:var(--muted);margin-top:4px}
.checkbox-wrap{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}
.checkbox-wrap input{width:18px;height:18px;accent-color:var(--primary-l)}

/* ---------- 标签 ---------- */
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.tag-blue{background:#e4efe8;color:var(--primary-l)}
.tag-amber{background:#fef3c7;color:#b45309}
.tag-green{background:#e7f6ee;color:#0e7a3a}
.tag-red{background:#fee2e2;color:#b91c1c}
.tag-gray{background:#f1f2f4;color:var(--muted)}

/* ---------- 价格 ---------- */
.price{color:var(--accent);font-weight:700}
.price .symbol{font-size:14px}
.price .num{font-size:22px}
.price-original{color:var(--muted);text-decoration:line-through;font-size:13px;margin-left:6px;font-weight:400}

/* ---------- 自定义消息弹窗组件 ----------
   不依赖浏览器 alert/confirm/prompt
   Toast / Modal / Confirm 由 site.js 渲染，此处只定义样式 ---------- */
.ck-mask{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;transition:opacity .2s}
.ck-mask.show{opacity:1}
.ck-modal{background:#fff;border-radius:16px;max-width:420px;width:100%;box-shadow:var(--shadow-lg);transform:translateY(12px);transition:transform .2s;overflow:hidden}
.ck-mask.show .ck-modal{transform:translateY(0)}
.ck-modal-head{padding:18px 20px 0;display:flex;align-items:center;gap:10px}
.ck-modal-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.ck-modal-title{font-size:17px;font-weight:700;color:var(--text)}
.ck-modal-body{padding:14px 20px 8px;color:#374151;font-size:15px}
.ck-modal-foot{padding:12px 20px 18px;display:flex;justify-content:flex-end;gap:10px}
.ck-modal-foot .btn{padding:8px 18px}
.ck-close{position:absolute;right:14px;top:14px;background:none;border:none;font-size:20px;color:var(--muted);cursor:pointer}
.ck-modal{position:relative}

.ck-toast{position:fixed;top:20px;left:50%;transform:translateX(-50%) translateY(-20px);z-index:300;display:flex;flex-direction:column;gap:10px;align-items:center;width:auto;max-width:90%}
.ck-toast-item{display:flex;align-items:center;gap:10px;background:#fff;border-radius:10px;box-shadow:var(--shadow-lg);padding:12px 18px;min-width:200px;max-width:100%;opacity:0;transition:opacity .25s,transform .25s;font-size:14px;border-left:4px solid var(--primary-l)}
.ck-toast-item.show{opacity:1;transform:translateY(20px)}
.ck-toast-item.ok{border-left-color:var(--success)}
.ck-toast-item.err{border-left-color:var(--danger)}
.ck-toast-item.info{border-left-color:var(--primary-l)}

/* ---------- 分页 ---------- */
.pagination{display:flex;gap:6px;justify-content:center;margin:28px 0}
.pagination a,.pagination span{display:inline-flex;min-width:36px;height:36px;align-items:center;justify-content:center;padding:0 10px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px}
.pagination .cur{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination a:hover{border-color:var(--primary-l);color:var(--primary-l)}

/* ---------- 登录/注册页 ---------- */
.auth-wrap{min-height:calc(100vh - 140px);display:flex;align-items:center;justify-content:center;padding:40px 16px}
.auth-card{width:100%;max-width:420px;background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);padding:36px 32px}
.auth-card h1{font-size:22px;color:var(--primary);text-align:center;margin-bottom:6px}
.auth-sub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:24px}
.auth-alt{text-align:center;font-size:14px;margin-top:18px;color:var(--muted)}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;background:linear-gradient(135deg,#0a2a20 0%,#0f4436 45%,#145a42 100%);color:#fff;padding:70px 0 90px;overflow:hidden}
.hero::after{content:'';position:absolute;right:-80px;top:-60px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:42px;font-weight:800;line-height:1.2;max-width:640px}
.hero p{font-size:18px;opacity:.92;margin:18px 0 28px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stat{display:flex;gap:32px;margin-top:44px;flex-wrap:wrap}
.hero-stat div{display:flex;flex-direction:column}
.hero-stat b{font-size:26px;font-weight:800}
.hero-stat span{font-size:13px;opacity:.85}

/* ---------- 服务网格 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{background:#fff;border-radius:14px;box-shadow:var(--shadow);border:1px solid var(--line);padding:22px;transition:.25s;position:relative;overflow:hidden}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bcd0ea}
.service-card .sc-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px;background:linear-gradient(135deg,#eef2fb,#dde6f8)}
.service-card h3{font-size:17px;color:var(--primary);margin-bottom:6px}
.service-card p{font-size:13px;color:var(--muted);min-height:40px}
.service-card .sc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.service-card .sc-more{font-size:13px;color:var(--primary-l);font-weight:600}
.service-card .hot{position:absolute;top:12px;right:12px;background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff;font-size:11px;padding:2px 8px;border-radius:20px}

/* ---------- 服务产品卡片（列表） ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod-card{background:#fff;border-radius:14px;box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.prod-card .pc-body{padding:18px;flex:1;display:flex;flex-direction:column}
.prod-card h3{font-size:16px;color:var(--text);margin-bottom:6px}
.prod-card .pc-sub{font-size:13px;color:var(--muted);margin-bottom:10px;flex:1}
.prod-card .pc-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.prod-card .pc-sales{font-size:12px;color:var(--muted)}
.prod-card .pc-tags{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}

/* ---------- 详情页 ---------- */
.prod-detail{display:grid;grid-template-columns:1fr 380px;gap:24px;align-items:start}
.detail-main{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:24px;border:1px solid var(--line)}
.detail-aside{position:sticky;top:80px}
.order-box{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:22px;border:1px solid var(--line)}
.order-box .price{font-size:28px}
.order-box .ob-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px;border-bottom:1px dashed var(--line)}
.order-box .ob-row:last-child{border-bottom:none}
.ob-num{display:flex;align-items:center;gap:8px}
.ob-num button{width:30px;height:30px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;font-size:16px}
.ob-num input{width:52px;height:30px;border:1px solid var(--line);border-radius:6px;text-align:center}
.tips{background:#fef9ef;border:1px solid #fde9c5;border-radius:8px;padding:12px;font-size:13px;color:#92610a;margin-top:14px}

/* ---------- 进度时间线 ---------- */
.progress-step{display:flex;gap:14px;position:relative}
.progress-step:not(:last-child)::before{content:'';position:absolute;left:15px;top:34px;bottom:-16px;width:2px;background:var(--line)}
.progress-step .dot{width:32px;height:32px;border-radius:50%;background:#e7eee9;color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;font-weight:700}
.progress-step.done .dot{background:var(--success);color:#fff}
.progress-step.current .dot{background:var(--primary-l);color:#fff}
.progress-step .ps-body{flex:1}
.progress-step .ps-title{font-weight:600}
.progress-step .ps-time{font-size:12px;color:var(--muted)}

/* ---------- 列表（订单/工单） ---------- */
.list-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.list-row:last-child{border-bottom:none}
.list-row:hover{background:#f8fafc}
.list-main{flex:1;min-width:200px}
.list-main .lm-t{font-weight:600;color:var(--text)}
.list-main .lm-s{font-size:13px;color:var(--muted);margin-top:3px}
.list-side{text-align:right}

/* ---------- 页脚 ---------- */
.footer{background:#0f2440;color:#a9bdd4;padding:40px 0 20px;margin-top:40px}
.footer .container{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer a{color:#a9bdd4;display:block;padding:4px 0}
.footer a:hover{color:#fff}
.footer .fc-brand p{font-size:14px;margin-top:10px}
.footer-bottom{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:13px;text-align:center;color:#7d93ad}

/* =============================================================
   响应式：平板 & 手机
   ============================================================= */
@media (max-width:992px){
  .service-grid{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .prod-detail{grid-template-columns:1fr}
  .detail-aside{position:static}
  .footer .container{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  body{font-size:14px}
  .nav-toggle{display:flex}
  .nav-menu{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:12px;box-shadow:var(--shadow-lg);display:none;border-top:1px solid var(--line)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px}
  .nav-right .btn-nav{padding:8px 14px;font-size:14px}
  .hero{padding:48px 0 64px}
  .hero h1{font-size:30px}
  .hero p{font-size:16px}
  .hero-stat{gap:20px}
  .hero-stat b{font-size:22px}
  .service-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .section{padding:28px 0}
  .section-head h2{font-size:20px}
  .topbar .tb-l{display:none}
}
@media (max-width:480px){
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:1fr}
  .card-body{padding:16px}
  .auth-card{padding:26px 20px}
}

/* =============================================================
   UI 视觉升级增强层（精致化 / 商业化）
   ============================================================= */
:root{
  --shadow-soft:0 6px 20px rgba(31,78,121,.10);
  --shadow-hover:0 18px 44px rgba(31,78,121,.20);
}

/* ---------- 板块标题：左侧渐变装饰条 ---------- */
.section-head{position:relative;padding-left:16px;align-items:flex-start}
.section-head::before{content:'';position:absolute;left:0;top:5px;bottom:5px;width:5px;border-radius:4px;background:linear-gradient(180deg,var(--accent),var(--primary-l))}
.section-head h2{font-size:26px;letter-spacing:.5px}
.section-head p{color:#55657a;font-weight:500}
.more-link{display:inline-flex;align-items:center;gap:4px;background:#fff;border:1px solid var(--line);padding:7px 16px;border-radius:20px;transition:.2s}
.more-link:hover{border-color:var(--primary-l);color:#fff;background:var(--primary-l)}

/* ---------- 按钮：发光 + hover 上浮 ---------- */
.btn{border-radius:10px;box-shadow:0 2px 8px rgba(15,68,54,.10)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(15,68,54,.18)}
.btn-accent{box-shadow:0 2px 8px rgba(181,101,29,.16)}
.btn-accent:hover{transform:translateY(-1px)}
.btn-outline{box-shadow:none}
.btn-lg{box-shadow:0 4px 16px rgba(15,68,54,.16);border-radius:12px}

/* ---------- 产品卡片：渐变头部 + 图标 + 角标 + 行动按钮 ---------- */
.prod-card{position:relative;border-radius:16px;box-shadow:var(--shadow-soft);border:1px solid #eef1f6}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.pc-top{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 0}
.pc-top-ic{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#e6eee8,#d7e8dd);display:flex;align-items:center;justify-content:center;color:var(--primary-l)}
.pc-top-ic svg{width:22px;height:22px}
.pc-flag{background:linear-gradient(135deg,#b45309,#c05621);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;box-shadow:0 2px 8px rgba(180,83,9,.32)}
.prod-card .pc-body{padding:18px 18px 16px}
.prod-card h3{font-size:17px;font-weight:700;color:#111827}
.prod-card .pc-sub{font-size:13px;color:#6b7280}
.prod-card .pc-tags{min-height:26px}
.prod-card .pc-meta{padding:12px 0 6px;border-top:1px dashed var(--line);margin-top:6px;margin-bottom:8px}
.prod-card .price .num{font-size:24px;font-weight:800;color:var(--accent)}
.pc-cta{display:flex;align-items:center;justify-content:center;gap:6px;background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;padding:9px;border-radius:9px;font-size:14px;font-weight:600;transition:.2s;margin-top:auto}
.prod-card:hover .pc-cta{filter:brightness(1.08);box-shadow:0 4px 12px rgba(15,68,54,.22)}

/* ---------- 服务分类卡片 ---------- */
.service-card{border-radius:16px;box-shadow:var(--shadow-soft);border:1px solid #eef1f6}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.service-card .sc-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#e6eee8,#d8e9de);border:1px solid #cfdfd5;color:var(--primary-l);transition:.25s}
.service-card .sc-icon svg{width:28px;height:28px}
.service-card:hover .sc-icon{transform:scale(1.08)}
.service-card .sc-more{display:inline-flex;align-items:center;gap:4px;color:var(--primary-l);font-weight:600}
.service-card .sc-foot span:last-child{transition:transform .2s}
.service-card:hover .sc-foot span:last-child{transform:translateX(4px)}

/* ---------- 知识库卡片 ---------- */
.art-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.art-card{background:#fff;border-radius:16px;border:1px solid #eef1f6;box-shadow:var(--shadow-soft);padding:18px;display:flex;flex-direction:column;transition:.25s}
.art-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.art-card .art-top{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.art-card .art-ic{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#e6eee8,#d8e9de);display:flex;align-items:center;justify-content:center;color:var(--primary-l);flex-shrink:0}
.art-card .art-ic svg{width:18px;height:18px}
.art-card h3{font-size:16px;font-weight:700;color:#111827;margin-bottom:8px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-card p{font-size:13px;color:#6b7280;flex:1;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-more{display:flex;align-items:center;justify-content:space-between;color:var(--primary-l);font-size:13px;font-weight:600;padding-top:10px;border-top:1px dashed var(--line)}
.art-more span{transition:transform .2s}
.art-card:hover .art-more span{transform:translateX(4px)}
.art-views{font-size:12px;color:var(--muted);margin-left:auto}
.tag.art-blue{background:#e4efe8;color:var(--primary-l)}
.tag.art-cyan{background:#e0f2fe;color:#0369a1}
.tag.art-green{background:#e7f6ee;color:#0e7a3a}
.tag.art-amber{background:#fef3c7;color:#b45309}
.tag.art-red{background:#fee2e2;color:#b91c1c}
.tag-teal{background:#e0f2ec;color:#0e6a55}

/* ---------- Hero 增强 ---------- */
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 18% 130%,rgba(255,255,255,.12),transparent 46%),radial-gradient(circle at 92% 8%,rgba(20,90,66,.35),transparent 42%)}
.hero h1{font-size:44px;text-shadow:0 2px 20px rgba(0,0,0,.14)}
.hero p{font-size:18px;opacity:.94}
.hero-actions .btn{box-shadow:0 6px 18px rgba(0,0,0,.16)}
.hero-stat b{color:#f6e7cf}

/* ---------- 分页精修 ---------- */
.pagination a,.pagination span{border-radius:10px;box-shadow:var(--shadow-soft)}
.pagination .cur{background:linear-gradient(135deg,var(--primary),var(--primary-l));box-shadow:0 3px 10px rgba(15,68,54,.22)}

/* ---------- 响应式：知识库网格 ---------- */
@media (max-width:992px){.art-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:768px){.art-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.art-grid{grid-template-columns:1fr}}