/* 韩安特科技官网 - 全站样式（2026-10-28 对齐品牌 VI：《韩安特品牌视觉识别系统》韩安特蓝#0033A0 / 韩安特红#E6162D） */
:root{
  --brand:#0033A0;        /* 主色 韩安特蓝（VI标准色） */
  --brand-2:#002B87;      /* 深一档 韩安特蓝 */
  --accent:#E6162D;       /* 韩安特红（VI标准色，仅作点缀与CTA） */
  --gold:#B98A2F;
  --green:#3FA33F;
  --blue:#1D5FBF;         /* 品牌蓝亮一档，用于渐变过渡 */
  --dark:#1C2A3A;
  --text:#2b3949;
  --muted:#64707D;
  --bg:#F6F8FA;
  --line:#E4E9EF;
  --ok:#3FA33F;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.75;font-size:15px}
a{color:var(--brand-2);text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== 顶栏 ===== */
.topbar{background:var(--dark);color:#c9d4e3;font-size:12.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:34px}
.topbar b{color:#fff}
.topbar a{color:#c9d4e3}

/* ===== 导航 ===== */
.header{background:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(15,27,45,.08)}
.header .container{display:flex;align-items:center;height:74px;gap:12px}
.logo{display:flex;align-items:center;gap:11px}
.logo-mark{width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.logo-mark img{width:100%;height:100%;display:block}
.logo-text{line-height:1.2}
.logo-text b{font-size:19px;color:var(--brand-2);letter-spacing:1px}
.logo-text span{display:block;font-size:11px;color:var(--muted);letter-spacing:.5px}
.nav{margin-left:auto;display:flex}
.nav a{display:block;padding:0 15px;line-height:74px;color:var(--text);font-size:15px;font-weight:600;border-bottom:3px solid transparent}
.nav a:hover{color:var(--accent)}
.nav a.active{color:var(--brand);border-bottom-color:var(--accent)}
.nav .nav-cta{background:var(--accent);color:#fff !important;border-radius:6px;line-height:40px;height:40px;margin:17px 0 17px 12px;padding:0 18px}
.nav .nav-cta:hover{filter:brightness(1.1)}
@media(max-width:960px){
  .nav{display:none}
  .header .container{height:60px}
  .menu-toggle{display:block !important}
}
.menu-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:6px;font-size:20px;padding:4px 12px;cursor:pointer}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line)}
.mobile-nav a{display:block;padding:12px 24px;border-bottom:1px solid var(--line);font-weight:600}
.mobile-nav a.active{color:var(--accent)}
.mobile-nav.open{display:block}

/* ===== Hero ===== */
.hero{background:linear-gradient(120deg,#002B87 0%,#0033A0 55%,#1D5FBF 100%);color:#fff;padding:88px 0 78px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(216,54,42,.32),transparent 70%)}
.hero h1{font-size:38px;line-height:1.3;letter-spacing:1px}
.hero h1 em{font-style:normal;color:#ffd166}
.hero p{margin:16px 0 30px;font-size:17px;color:#cfe0f5;max-width:640px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 30px;border-radius:8px;font-weight:700;font-size:15px;cursor:pointer;border:none}
.btn-red{background:var(--accent);color:#fff !important}
.btn-red:hover{filter:brightness(1.12)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff !important;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-blue{background:var(--brand-2);color:#fff !important}
.hero-stats{display:flex;gap:44px;margin-top:44px;flex-wrap:wrap}
.hero-stats .s b{font-size:30px;color:#ffd166}
.hero-stats .s span{display:block;font-size:13px;color:#a9c3e2}

/* ===== 区块 ===== */
.section{padding:64px 0}
.section.gray{background:#fff}
.section-head{text-align:center;margin-bottom:38px}
.section-head h2{font-size:28px;color:var(--dark)}
.section-head .bar{width:56px;height:4px;background:var(--accent);margin:12px auto;border-radius:2px}
.section-head p{color:var(--muted);font-size:14.5px}

/* 卡片 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 22px;transition:.2s;box-shadow:0 1px 4px rgba(15,27,45,.05)}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(15,27,45,.12)}
.card .ico{width:52px;height:52px;border-radius:10px;background:#eef4fb;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px}
.card h3{font-size:17px;color:var(--dark);margin-bottom:8px}
.card p{font-size:13.5px;color:var(--muted)}
.card ul{margin:10px 0 0;padding-left:18px;font-size:13.5px;color:var(--muted)}
.card .more{display:inline-block;margin-top:12px;font-weight:700;font-size:13.5px}

/* 品牌条 */
.brandbar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.brandbar .container{display:flex;justify-content:space-around;align-items:center;flex-wrap:wrap;gap:14px}
.brandbar b{font-size:20px;color:#9aa9bd;letter-spacing:1px}

/* 型号表 */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:12px}
table.models{width:100%;border-collapse:collapse;font-size:13.5px;min-width:760px}
table.models th{background:var(--brand);color:#fff;padding:11px 12px;text-align:left;white-space:nowrap}
table.models td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.models tr:last-child td{border-bottom:none}
table.models tr:hover td{background:#f2f7fd}
.tag-stock{display:inline-block;padding:1px 10px;border-radius:20px;font-size:12px;font-weight:700}
.tag-stock.in{background:#e7f7ec;color:var(--ok)}
.tag-stock.order{background:#fff4e0;color:#b45309}
.btn-mini{display:inline-block;background:var(--accent);color:#fff !important;border-radius:5px;padding:4px 14px;font-size:12.5px;font-weight:700}

/* 搜索区 */
.search-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;margin-bottom:24px;box-shadow:0 1px 5px rgba(15,27,45,.06)}
.search-row{display:flex;gap:12px;flex-wrap:wrap}
.search-row input[type=text]{flex:1;min-width:220px;border:2px solid var(--line);border-radius:8px;padding:12px 16px;font-size:15px;outline:none}
.search-row input[type=text]:focus{border-color:var(--brand-2)}
.search-row select{border:2px solid var(--line);border-radius:8px;padding:12px;font-size:14px;background:#fff;outline:none}
.filters{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;align-items:center;font-size:13.5px}
.filters .f{background:#f1f5fa;border:1px solid var(--line);border-radius:20px;padding:5px 16px;cursor:pointer;color:var(--muted)}
.filters .f.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.findpath{border:1px dashed #b9cbe4;border-radius:10px;padding:14px 18px;margin-top:16px;background:#f8fbff;font-size:13.5px}
.findpath b{color:var(--brand)}
.result-count{font-size:13px;color:var(--muted);margin:14px 2px}

/* 方案页 */
.sol{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:18px;align-items:flex-start}
.sol .ico{font-size:34px;background:#eef4fb;border-radius:10px;min-width:64px;height:64px;display:flex;align-items:center;justify-content:center}
.sol h3{color:var(--dark);margin-bottom:6px}
.sol p{font-size:13.5px;color:var(--muted)}
@media(max-width:700px){.sol{flex-direction:column}}

/* 新闻列表 */
.news-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:14px;align-items:center}
.news-item .date{text-align:center;min-width:74px;background:#f1f5fa;border-radius:8px;padding:8px 4px}
.news-item .date b{display:block;font-size:22px;color:var(--brand)}
.news-item .date span{font-size:12px;color:var(--muted)}
.news-item h4{font-size:15.5px;color:var(--dark)}
.news-item p{font-size:13px;color:var(--muted)}
.news-item .cat{font-size:12px;color:var(--accent);font-weight:700}

/* 关于页 */
.about-hero{background:linear-gradient(120deg,#002B87,#0033A0);color:#fff;padding:56px 0;text-align:center}
.about-hero h1{font-size:30px}
.about-hero p{color:#cfe0f5;max-width:760px;margin:12px auto 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
@media(max-width:800px){.stat-grid{grid-template-columns:1fr 1fr}}
.stat-grid .st{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:16px}
.stat-grid .st b{font-size:26px;color:#ffd166}
.stat-grid .st span{display:block;font-size:13px;color:#bcd0e8}

/* 联系/表单 */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:24px}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.info-card{background:var(--dark);color:#d7e2f0;border-radius:12px;padding:28px}
.info-card h3{color:#fff;margin-bottom:14px}
.info-card .row{display:flex;gap:12px;margin:12px 0;font-size:14px;align-items:flex-start}
.info-card .row .i{font-size:18px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px}
.form-card label{display:block;font-size:13.5px;font-weight:700;color:var(--dark);margin:14px 0 6px}
.form-card input,.form-card textarea,.form-card select{width:100%;border:2px solid var(--line);border-radius:8px;padding:10px 14px;font-size:14px;font-family:inherit;outline:none}
.form-card input:focus,.form-card textarea:focus,.form-card select:focus{border-color:var(--brand-2)}
.form-note{font-size:12.5px;color:var(--muted);margin-top:10px}
.form-ok{display:none;background:#e7f7ec;border:1px solid #b5e3c4;color:#15803d;border-radius:8px;padding:12px 16px;margin-top:14px;font-size:14px;font-weight:700}

/* 案例 */
.case{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:18px;display:flex}
.case .cover{min-width:150px;background:linear-gradient(135deg,#002B87,#1D5FBF);color:#fff;display:flex;align-items:center;justify-content:center;font-size:44px}
.case .body{padding:20px 24px}
.case h3{color:var(--dark)}
.case .meta{font-size:12.5px;color:var(--accent);font-weight:700;margin-bottom:6px}
.case p{font-size:13.5px;color:var(--muted)}
@media(max-width:640px){.case{flex-direction:column}}

/* 支持 */
.dl{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.dl b{color:var(--dark);font-size:14.5px}
.dl small{display:block;color:var(--muted);font-size:12.5px}

/* 页脚 */
.footer{background:var(--dark);color:#9fb0c5;padding:52px 0 0;font-size:13.5px;margin-top:70px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:36px}
@media(max-width:800px){.footer .cols{grid-template-columns:1fr 1fr}}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer a{color:#9fb0c5;display:block;padding:3px 0}
.footer a:hover{color:#fff}
.footer .fline{display:flex;gap:8px;margin:6px 0}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;text-align:center;font-size:12.5px;color:#6b7a90}
.qr-box{width:96px;height:96px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:11px;text-align:center}

/* 浮动咨询 */
.float-inquiry{position:fixed;right:22px;bottom:26px;z-index:99;display:flex;flex-direction:column;gap:10px}
.float-inquiry a{background:var(--accent);color:#fff;padding:11px 18px;border-radius:30px;font-weight:700;font-size:13.5px;box-shadow:0 6px 18px rgba(165,0,52,.4)}
.float-inquiry a.wechat{background:#07c160}
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.breadcrumb a{color:var(--muted)}
.page-title{padding:10px 0 26px}
.page-title h1{font-size:26px;color:var(--dark)}

/* ===== 时间线（关于页） ===== */
.timeline{position:relative;padding-left:28px;margin-top:10px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(#002B87,#1D5FBF,#e3e8ef)}
.tl-item{position:relative;padding:0 0 26px 0}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--accent)}
.tl-item .year{display:inline-block;background:var(--brand);color:#fff;font-size:12.5px;font-weight:700;padding:2px 10px;border-radius:4px;margin-bottom:6px}
.tl-item h4{font-size:16px;color:var(--dark);margin:4px 0}
.tl-item p{font-size:13.5px;color:var(--muted)}
.cert{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.cert .badge{font-size:28px}

/* ===== 实拍图位（图片缺失时自动显示品牌渐变兜底） ===== */
.photo{height:210px;border-radius:10px;background:linear-gradient(135deg,#002B87,#1D5FBF);background-size:cover;background-position:center;position:relative;overflow:hidden;border:1px solid var(--line)}
.photo span{position:absolute;left:0;right:0;bottom:0;padding:10px 14px;color:#fff;font-size:13.5px;font-weight:700;background:linear-gradient(transparent,rgba(15,42,74,.85))}