/* =============================================================
   惠州市鹏城瑞科技有限公司 · 站点公共样式
   与 index.html / about.html 使用同一套设计变量
   ============================================================= */
:root{
  --navy:#0a1f3c;
  --navy-2:#0f2d55;
  --blue:#1565d8;
  --cyan:#19b5d8;
  --orange:#f59e0b;
  --text:#22303f;
  --muted:#6b7a8a;
  --line:#e6edf5;
  --bg-light:#f4f7fb;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 8px 30px rgba(10,31,60,.10);
  --container:1400px;
  --nav-h:100px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);background:var(--white);line-height:1.7;font-size:16px;
}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
[hidden]{display:none !important}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy);color:#cfe0f5;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:10px;flex-wrap:wrap}
.topbar a{color:#fff;margin-left:14px}
@media(max-width:640px){.topbar .hide-sm{display:none}}

/* ---------- 导航 ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:0 2px 12px rgba(10,31,60,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:12px}
.logo{display:flex;align-items:center;gap:12px;min-width:0}
.logo-mark{
  position:relative;width:86px;height:46px;border-radius:10px;flex:none;overflow:hidden;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;
}
.logo-ph{font-size:11px;font-weight:800;letter-spacing:1px;color:rgba(255,255,255,.95);user-select:none}
.logo-mark img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;z-index:2;background:#fff}
.logo-text{min-width:0}
.logo-text strong{display:block;font-size:18px;color:var(--navy);letter-spacing:.5px;white-space:nowrap}
.logo-text span{font-size:14px;color:var(--muted);letter-spacing:.5px;white-space:nowrap}
@media(max-width:460px){
  .logo-text strong{font-size:14.5px;letter-spacing:0}
  .logo-text span{font-size:9.5px;letter-spacing:0}
  .logo-mark{width:60px;height:40px}
}
@media(max-width:340px){.logo-text span{display:none}}
.menu{display:flex;gap:6px}
.menu>li{position:relative}
.menu>li>a{
  display:block;padding:10px 16px;font-size:16px;font-weight:600;color:var(--navy);
  border-radius:8px;transition:color .2s;
}
.menu>li>a:hover,.menu>li.active>a{color:var(--blue)}
.menu>li.active>a::after{
  content:"";display:block;height:3px;border-radius:2px;margin-top:2px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
}
.dropdown{
  position:absolute;top:120%;left:50%;transform:translateX(-50%) translateY(8px);
  background:#fff;border-radius:10px;box-shadow:var(--shadow);padding:8px 0;min-width:170px;
  opacity:0;visibility:hidden;transition:all .25s;z-index:99;
}
.menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:9px 20px;font-size:14px;color:var(--text);white-space:nowrap}
.dropdown a:hover{background:var(--bg-light);color:var(--blue)}
.dropdown a.on{background:var(--bg-light);color:var(--blue);font-weight:600}
.nav-cta{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff !important;padding:10px 20px !important;border-radius:24px;font-weight:600}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2.5px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.3s}
@media(max-width:960px){
  :root{--nav-h:68px}
  .header{backdrop-filter:none;background:#fff}
  .menu{
    position:fixed;top:var(--nav-h);right:0;width:280px;max-width:86vw;
    height:calc(100vh - var(--nav-h));height:calc(100dvh - var(--nav-h));
    background:#fff;flex-direction:column;padding:12px 16px 24px;gap:4px;
    box-shadow:-6px 0 24px rgba(0,0,0,.12);transform:translateX(100%);transition:transform .3s;
    overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;
  }
  .menu.open{transform:translateX(0)}
  .menu>li>a{padding:14px 12px;border-bottom:1px solid #eef2f7}
  .dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;padding:0 0 6px 16px;display:none;min-width:0}
  .menu>li.sub-open .dropdown{display:block}
  .menu>li.has-sub>a::after{content:" ▾";font-size:12px;color:var(--muted);display:inline-block;transition:transform .25s}
  .menu>li.sub-open>a::after{transform:rotate(180deg)}
  .burger{display:block}
  .nav-cta{display:none}
}

/* ---------- 通用 Section ---------- */
section.block{padding:80px 0}
section.block.alt{background:var(--bg-light)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.sec-head .en{font-size:13px;letter-spacing:3px;color:var(--cyan);text-transform:uppercase;font-weight:700}
.sec-head h2{font-size:clamp(24px,3vw,34px);color:var(--navy);margin:8px 0 12px;font-weight:800}
.sec-head p{color:var(--muted);font-size:15px}
.sec-head.left{text-align:left;margin-left:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;padding:13px 30px;border-radius:30px;font-weight:600;font-size:15.5px;transition:.25s;border:none;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 8px 20px rgba(21,101,216,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,101,216,.42)}
.btn-outline{border:1.5px solid #cfdcea;color:var(--navy);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-white{background:#fff;color:#1533a0;box-shadow:0 8px 20px rgba(4,20,60,.28)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(4,20,60,.36)}
.btn-sm{padding:9px 20px;font-size:13.5px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(820px 400px at 88% 8%,rgba(25,181,216,.34),transparent 62%),
    radial-gradient(620px 340px at 4% 96%,rgba(21,101,216,.42),transparent 60%),
    linear-gradient(135deg,#081a33 0%,#0c2a50 55%,#0a3a5c 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(100deg,#000 0%,rgba(0,0,0,.35) 55%,transparent 82%);
  mask-image:linear-gradient(100deg,#000 0%,rgba(0,0,0,.35) 55%,transparent 82%);
}
.page-hero .container{position:relative;z-index:2;padding-top:42px;padding-bottom:48px}
.page-hero.sm .container{padding-top:34px;padding-bottom:38px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9fb6cf;margin-bottom:14px;flex-wrap:wrap}
.crumb a:hover{color:#4fc3f7}
.crumb span{opacity:.45}
.crumb em{font-style:normal;color:#cfe0f5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:2px;line-height:1.3}
.hero-kicker{font-size:12.5px;letter-spacing:3px;color:#7fd8f0;font-weight:700;text-transform:uppercase}
.hero-kicker::after{content:"";display:block;width:44px;height:3px;border-radius:2px;margin-top:10px;background:linear-gradient(90deg,#4fc3f7,rgba(79,195,247,0))}
.page-hero .lead{margin-top:12px;font-size:15.5px;color:#c3d6ea;max-width:720px}
.page-hero .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.page-hero .hero-meta span{
  font-size:12.5px;color:#bfe6f5;background:rgba(79,195,247,.12);
  border:1px solid rgba(79,195,247,.32);border-radius:20px;padding:5px 14px;
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-bottom:32px;padding-bottom:18px;border-bottom:1px solid var(--line);
}
.filters{display:flex;gap:8px;flex-wrap:wrap}
    .filters button, .filters .button {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 24px;
        padding: 9px 20px;
        font-size: 14px;
        color: #51637a;
        cursor: pointer;
        transition: .22s;
        font-weight: 600;
    }
        .filters button:hover, .filters .button:hover {
            border-color: #b9cde6;
            color: var(--blue)
        }
        .filters button.on, .filters .button.on {
            background: linear-gradient(135deg,var(--blue),var(--cyan));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 6px 16px rgba(21,101,216,.28);
        }
        .filters button i, .filters .button i {
            font-style: normal;
            font-size: 12px;
            opacity: .7;
            margin-left: 4px
        }

    .filters button, .filters .button {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 24px;
        padding: 9px 20px;
        font-size: 14px;
        color: #51637a;
        cursor: pointer;
        transition: .22s;
        font-weight: 600;
    }
        .filters button:hover, .filters .button:hover {
            border-color: #b9cde6;
            color: var(--blue)
        }
        .filters button.on, .filters .button.on {
            background: linear-gradient(135deg,var(--blue),var(--cyan));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 6px 16px rgba(21,101,216,.28);
        }
        .filters button i, .filters .button i {
            font-style: normal;
            font-size: 12px;
            opacity: .7;
            margin-left: 4px
        }
.filter-note{font-size:13px;color:var(--muted)}
.filter-note b{color:var(--blue)}

/* ---------- 产品列表 ---------- */
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.p-item{
  background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid #eaf0f7;
  box-shadow:0 4px 18px rgba(10,31,60,.06);transition:.3s;display:flex;flex-direction:column;
}
.p-item:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(10,31,60,.14);border-color:#d6e6f8}
.p-media{
  position:relative;aspect-ratio:4/3;overflow:hidden;background:#f4f7fb;
  display:flex;align-items:center;justify-content:center;
}
.p-media .ph{text-align:center;color:#8ba3bf;font-size:13px;padding:10px}
.p-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px;background:#fff;transition:transform .5s ease}
.p-item:hover .p-media img{transform:scale(1.04)}
.p-cat{
  position:absolute;left:12px;top:12px;z-index:3;font-size:12px;font-weight:600;color:#0f3f7a;
  background:rgba(255,255,255,.96);border-radius:20px;padding:3px 12px;backdrop-filter:blur(4px);
  box-shadow:0 2px 8px rgba(10,31,60,.12);
}
.p-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.p-body h3{font-size:18px;color:var(--navy);margin-bottom:6px}
.p-body h3 a:hover{color:var(--blue)}
.p-body .p-tag{font-size:13px;color:var(--muted);margin-bottom:12px;flex:1}
.p-spec{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.p-spec span{font-size:12px;color:#3d5a7a;background:var(--bg-light);border-radius:6px;padding:4px 10px}
.p-more{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;font-weight:700;color:var(--blue);
  border-top:1px solid var(--line);padding-top:14px;
}
.p-more .arr{transition:transform .25s}
.p-item:hover .p-more .arr{transform:translateX(5px)}
.empty{text-align:center;color:var(--muted);font-size:14px;padding:60px 0}
@media(max-width:900px){.p-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){
  .p-grid{grid-template-columns:1fr}
  .filter-bar{gap:12px}
  .filters button{padding:7px 15px;font-size:13px}
}

/* ---------- 通用 CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(600px 300px at 88% 20%,rgba(25,181,216,.42),transparent 62%),
    linear-gradient(120deg,#0a2a6b,#1a4bd0 60%,#1565d8);
}
.cta-band .inner{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  padding-top:48px;padding-bottom:48px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);font-weight:800;letter-spacing:1px}
.cta-band p{margin-top:8px;font-size:14.5px;color:#d7e3ff}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:700px){
  .cta-band .inner{padding-top:38px;padding-bottom:38px;gap:20px}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1 1 auto;text-align:center;padding:12px 18px;font-size:15px}
}

/* 详情页内容区限宽，保证长文可读性 */
.pd-top,.pd-body,.article-wrap,.photo-top,.thumbs,.related{max-width:1120px;margin-left:auto;margin-right:auto}

/* ---------- 产品详情 ---------- */
.pd-top{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;margin-bottom:56px}
.pd-media{
  position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;
  background:#f4f7fb;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 34px rgba(10,31,60,.16);border:1px solid #eaf0f7;
}
.pd-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:16px;background:#fff;z-index:2}
.pd-media .ph{color:#8ba3bf;text-align:center;font-size:13px}
.pd-media .zoom-note{
  position:absolute;left:14px;bottom:14px;z-index:3;font-size:11.5px;color:#fff;
  background:rgba(10,31,60,.55);backdrop-filter:blur(4px);border-radius:20px;padding:4px 12px;
}
.pd-info .pd-cat{display:inline-block;font-size:12.5px;font-weight:700;color:var(--blue);background:#eaf3fd;border-radius:4px;padding:3px 12px;margin-bottom:12px}
.pd-info h1{font-size:clamp(24px,3vw,34px);color:var(--navy);font-weight:800;line-height:1.35}
.pd-info .pd-tagline{margin-top:10px;font-size:15px;color:#4a5866}
.pd-quick{margin-top:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pd-quick li{display:flex;gap:16px;padding:11px 0;border-bottom:1px dashed #edf2f8;font-size:14px}
.pd-quick li:last-child{border-bottom:none}
.pd-quick b{flex:none;width:88px;color:var(--muted);font-weight:600}
.pd-quick span{color:var(--navy);font-weight:600}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.pd-trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pd-trust span{font-size:12.5px;color:#2c6a52;background:#eefaf4;border:1px solid #cdeee0;border-radius:20px;padding:4px 12px}

.pd-body{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.pd-main h2{
  font-size:20px;color:var(--navy);margin:34px 0 14px;padding-left:14px;position:relative;
}
.pd-main h2:first-child{margin-top:0}
.pd-main h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--blue),var(--cyan));
}
.pd-main p{font-size:15px;color:#43536a;margin-bottom:12px}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.spec-table th,.spec-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table th{width:150px;background:var(--bg-light);color:#51637a;font-weight:600}
.spec-table td{color:var(--navy);font-weight:600;background:#fff}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.checks{display:grid;gap:10px;margin:6px 0 4px}
.checks li{position:relative;padding-left:26px;font-size:14.5px;color:#43536a}
.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--cyan);font-weight:800}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 8px}
.tag-list span{font-size:13px;color:#2b4a6b;background:var(--bg-light);border:1px solid #e2ebf5;border-radius:20px;padding:5px 14px}
.pd-side{position:sticky;top:calc(var(--nav-h) + 20px);display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:0 4px 16px rgba(10,31,60,.05)}
.side-card.dark{
  border:none;color:#fff;
  background:linear-gradient(150deg,#0d2a52,#10406e 60%,#0c3358);
}
.side-card h4{font-size:16px;color:var(--navy);margin-bottom:10px}
.side-card.dark h4{color:#fff}
.side-card p{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.side-card.dark p{color:#c6d8ec}
.side-card.dark .side-tel{display:block;font-size:20px;font-weight:800;color:#4fc3f7;letter-spacing:.5px;margin-bottom:4px}
.side-card.dark .side-mail{font-size:13px;color:#c9d9ec;word-break:break-all}
.side-card .btn{width:100%;text-align:center}
.side-list li{padding:10px 0;border-bottom:1px dashed #edf2f8}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list a{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:#3d4d63}
.side-list a:hover{color:var(--blue)}
@media(max-width:1000px){
  .pd-body{grid-template-columns:1fr}
  .pd-side{position:static;grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .pd-top{grid-template-columns:1fr;gap:26px;margin-bottom:40px}
  .pd-side{grid-template-columns:1fr}
  .pd-actions .btn{flex:1 1 auto;text-align:center}
}
@media(max-width:480px){
  .spec-table th{width:110px;padding:10px 12px}
  .spec-table td{padding:10px 12px}
}

/* ---------- 新闻列表 ---------- */
.n-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.n-item{
  background:#fff;border-radius:var(--radius);border:1px solid #eaf0f7;padding:24px 24px 22px;
  box-shadow:0 4px 16px rgba(10,31,60,.05);transition:.3s;display:flex;flex-direction:column;
}
.n-item:hover{transform:translateY(-5px);box-shadow:0 14px 32px rgba(10,31,60,.12);border-color:#d6e6f8}
.n-item .n-cat{display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;color:var(--blue);background:#eaf3fd;border-radius:4px;padding:3px 10px}
.n-item h3{font-size:16.5px;color:var(--navy);line-height:1.6;margin:12px 0 8px}
.n-item h3 a:hover{color:var(--blue)}
.n-item p{font-size:13.5px;color:var(--muted);flex:1}
.n-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:#9aa8b5}
.n-meta .read{color:var(--blue);font-weight:700}
.n-item:hover .read .arr{transform:translateX(4px)}
.n-meta .arr{display:inline-block;transition:transform .25s}
.n-featured{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,#0d2a52,#10406e 65%,#0c3358);color:#fff;margin-bottom:30px;
  box-shadow:0 10px 30px rgba(10,31,60,.18);
}
.n-featured .nf-text{padding:38px 38px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.n-featured .nf-cat{font-size:12.5px;font-weight:700;color:#7fd8f0;letter-spacing:2px}
.n-featured h3{font-size:clamp(20px,2.2vw,26px);line-height:1.5;font-weight:800}
.n-featured p{font-size:14px;color:#c6d8ec}
.n-featured .nf-date{font-size:12.5px;color:#8fb0cd}
.n-featured .nf-img{position:relative;min-height:260px;overflow:hidden;background:linear-gradient(135deg,#1558a8,#2196f3)}
.n-featured .nf-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85}
@media(max-width:900px){
  .n-grid{grid-template-columns:1fr 1fr}
  .n-featured{grid-template-columns:1fr}
  .n-featured .nf-img{min-height:200px;order:-1}
  .n-featured .nf-text{padding:26px 24px}
}
@media(max-width:640px){.n-grid{grid-template-columns:1fr}}

/* ---------- 文章详情 ---------- */
.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:28px}
.article-head .a-cat{display:inline-block;font-size:12.5px;font-weight:700;color:var(--blue);background:#eaf3fd;border-radius:4px;padding:3px 12px;margin-bottom:12px}
.article-head h1{font-size:clamp(23px,3vw,33px);line-height:1.5;color:var(--navy);font-weight:800}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px;font-size:13px;color:#9aa8b5}
.article{font-size:15.5px;color:#3c4b5e}
.article h2{
  font-size:20px;color:var(--navy);margin:32px 0 12px;padding-left:14px;position:relative;line-height:1.6;
}
.article h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--blue),var(--cyan));
}
.article h3{font-size:16.5px;color:var(--navy);margin:22px 0 8px}
.article p{margin-bottom:14px}
.article ul,.article ol{margin:0 0 16px 2px;display:grid;gap:8px}
.article ul li{position:relative;padding-left:22px}
.article ul li::before{content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.article ol{counter-reset:a}
.article ol li{position:relative;padding-left:24px;counter-increment:a}
.article ol li::before{content:counter(a) ".";position:absolute;left:0;top:0;color:var(--blue);font-weight:800}
.article strong{color:var(--navy)}
.article blockquote{
  margin:20px 0;padding:18px 22px;background:var(--bg-light);border-left:4px solid var(--cyan);
  border-radius:0 10px 10px 0;color:#3d4d63;font-size:14.5px;
}
.article table{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0 18px}
.article table th,.article table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article table th{background:var(--bg-light);color:#51637a;font-weight:600}
.article .note{
  margin:22px 0;padding:16px 20px;border-radius:10px;background:#fff8ec;border:1px solid #f7e3c0;
  font-size:13.5px;color:#8a5a12;
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.article-tags span{font-size:12.5px;color:#4a6b8f;background:var(--bg-light);border-radius:20px;padding:4px 12px}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.article-nav a{
  border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-size:13.5px;color:#41546c;
  background:#fff;transition:.25s;
}
.article-nav a:hover{border-color:var(--blue);color:var(--blue)}
.article-nav a span{display:block;font-size:12px;color:#9aa8b5;margin-bottom:4px}
.article-nav a.next{text-align:right}
@media(max-width:1000px){
  .article-wrap{grid-template-columns:1fr}
  .article-wrap .pd-side{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .article-wrap .pd-side{grid-template-columns:1fr}
  .article-nav{grid-template-columns:1fr}
  .article-nav a.next{text-align:left}
  .article{font-size:15px}
}

/* ---------- 图片列表 ---------- */
.g-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.g-item{
  position:relative;display:block;border-radius:12px;overflow:hidden;aspect-ratio:1/1;
  background:#f4f7fb;box-shadow:0 4px 16px rgba(10,31,60,.08);
}
.g-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.g-item:hover img{transform:scale(1.07)}
.g-item::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,26,51,0) 35%,rgba(8,26,51,.78) 100%);
}
.g-item .g-cap{position:absolute;left:16px;right:16px;bottom:13px;z-index:2;color:#fff}
.g-item .g-cap b{display:block;font-size:14.5px;font-weight:700}
.g-item .g-cap span{font-size:11.5px;color:#c8dcf0}
.g-item .g-cat{
  position:absolute;left:12px;top:12px;z-index:2;font-size:11.5px;font-weight:600;
  color:#0f3f7a;background:rgba(255,255,255,.92);border-radius:20px;padding:3px 10px;
}
.g-item .g-zoom{
  position:absolute;right:12px;top:12px;z-index:2;width:30px;height:30px;border-radius:50%;
  background:rgba(255,255,255,.9);color:#0f3f7a;display:flex;align-items:center;justify-content:center;
  font-size:14px;opacity:0;transform:scale(.85);transition:.25s;
}
.g-item:hover .g-zoom{opacity:1;transform:scale(1)}
@media(max-width:1100px){.g-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.g-grid{grid-template-columns:1fr 1fr;gap:12px}}
@media(max-width:420px){.g-grid{grid-template-columns:1fr}}

/* ---------- 图片详情 ---------- */
.photo-view{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,#081a33,#0c2a50);display:flex;align-items:center;justify-content:center;
  min-height:420px;padding:20px;
}
.photo-view img{position:relative;z-index:2;max-width:100%;max-height:70vh;width:auto;height:auto;object-fit:contain;border-radius:6px}
.photo-view .ph{
  position:absolute;inset:0;z-index:1;display:flex;align-items:center;justify-content:center;
  color:#c8dcf0;text-align:center;font-size:14px;padding:20px;
}
.photo-top{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start;margin-bottom:44px}
.photo-info h1{font-size:clamp(22px,2.6vw,30px);color:var(--navy);font-weight:800;line-height:1.4}
.photo-info .p-cat-line{font-size:12.5px;font-weight:700;color:var(--blue);background:#eaf3fd;display:inline-block;border-radius:4px;padding:3px 12px;margin-bottom:12px}
.photo-info p{font-size:14.5px;color:#43536a;margin-top:12px}
.photo-info .spec-table{margin-top:18px}
.photo-info .spec-table th{width:104px}
.photo-nav{display:flex;gap:12px;margin-top:20px}
.photo-nav a{
  flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
  border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:13.5px;color:#41546c;
  transition:.25s;text-align:center;
}
.photo-nav a:hover{border-color:var(--blue);color:var(--blue);background:#f7fbff}
.photo-nav a.disabled{opacity:.45;pointer-events:none}
.thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.thumbs a{
  position:relative;border-radius:8px;overflow:hidden;aspect-ratio:1/1;border:2px solid transparent;
  transition:.25s;background:#0a3a6b;
}
.thumbs a img{width:100%;height:100%;object-fit:cover}
.thumbs a:hover{border-color:#9fc6ee}
.thumbs a.on{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(25,181,216,.18)}
@media(max-width:1000px){
  .photo-top{grid-template-columns:1fr;gap:26px}
  .thumbs{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:560px){
  .photo-view{min-height:260px;padding:10px}
  .photo-view img{max-height:52vh}
  .thumbs{grid-template-columns:repeat(3,1fr);gap:8px}
}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px;padding-top:40px;border-top:1px solid var(--line)}
.related h2{font-size:22px;color:var(--navy);margin-bottom:22px;font-weight:800}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;
  transition:.25s;
}
.rel-card:hover{border-color:#c9dcf3;box-shadow:0 10px 24px rgba(10,31,60,.08)}
.rel-card .rc-img{position:relative;width:92px;height:72px;flex:none;border-radius:8px;overflow:hidden;background:#0a3a6b}
.rel-card .rc-img img{width:100%;height:100%;object-fit:cover}
.rel-card .rc-text{min-width:0;display:flex;flex-direction:column;justify-content:center}
.rel-card b{font-size:14.5px;color:var(--navy);line-height:1.45;display:block}
.rel-card small{font-size:12px;color:var(--muted);margin-top:4px}
@media(max-width:900px){.rel-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.rel-grid{grid-template-columns:1fr}}

/* ---------- 页脚 ---------- */
.footer{background:#071527;color:#8ba3bf;font-size:14px}
.footer .container{padding:48px 20px 24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.foot-grid h5{color:#fff;font-size:15px;margin-bottom:14px}
.foot-grid li{margin-bottom:9px}
.foot-grid a:hover{color:#4fc3f7}
.foot-brand strong{color:#fff;font-size:18px;display:block;margin-bottom:8px}
.foot-contact{margin-top:14px;font-size:13.5px}
.foot-contact li{margin-bottom:8px;line-height:1.6;word-break:break-word}
.foot-contact a:hover{color:#4fc3f7}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr;gap:26px}}
@media(max-width:480px){.foot-grid{grid-template-columns:1fr}}

/* ---------- 返回顶部 ---------- */
.backtop{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;border:none;cursor:pointer;
  font-size:18px;box-shadow:0 6px 18px rgba(21,101,216,.4);opacity:0;visibility:hidden;transition:.3s;z-index:99;
}
.backtop.show{opacity:1;visibility:visible}

/* ---------- 滚动淡入 ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
}

/* 中等宽度（961–1150）：压缩导航，避免长公司名把菜单挤到换行 */
@media(min-width:961px) and (max-width:1150px){
  .logo-text strong{font-size:16px}
  .logo-text span{font-size:12px}
  .menu>li>a{padding:10px 10px;font-size:14.5px}
  .nav-cta{padding:9px 14px !important;font-size:14px}
}

/* ---------- 响应式补充 ---------- */
@media(max-width:900px){
  section.block{padding:62px 0}
  .sec-head{margin-bottom:32px}
}
@media(max-width:480px){
  .container{padding:0 16px}
  section.block{padding:50px 0}
  .page-hero h1{letter-spacing:1px}
  .page-hero .container{padding-top:30px;padding-bottom:34px}
  .btn{padding:12px 24px;font-size:15px}
  .p-body{padding:16px 18px 18px}
  .photo-view{border-radius:10px}
}
@media(max-width:360px){
  .topbar{font-size:12px}
  .menu{width:100%;max-width:100vw}
}

/* =============================================================
   联系我们页 contact.html
   ============================================================= */
/* --- 联系方式卡片 --- */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:52px}
.ccard{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px 22px;box-shadow:0 4px 16px rgba(10,31,60,.05);
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.ccard:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(10,31,60,.12);border-color:#cfe4fb}
.cc-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(21,101,216,.12),rgba(25,181,216,.16));color:var(--blue);
}
.cc-label{font-size:12.5px;letter-spacing:1px;color:var(--muted);font-weight:600}
.cc-val{display:block;margin-top:4px;font-size:16.5px;font-weight:700;color:var(--navy);line-height:1.5;word-break:break-word}
a.cc-val:hover{color:var(--blue)}
.cc-note{display:block;margin-top:6px;font-size:12.5px;color:#93a2b2;line-height:1.55}
.cc-copy{
  position:absolute;right:14px;top:14px;border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:12px;padding:3px 9px;border-radius:20px;cursor:pointer;opacity:0;transition:.25s;
}
.ccard:hover .cc-copy{opacity:1}
.cc-copy:hover{border-color:#bcdcfb;color:var(--blue);background:#f2f8ff}
.cc-copy.done{border-color:#a5e5c8;color:#12855a;background:#eefaf4;opacity:1}

/* --- 表单 + 侧栏 --- */
.cmain{display:grid;grid-template-columns:1.45fr .85fr;gap:28px;align-items:start}
.cpanel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 32px 28px;box-shadow:var(--shadow)}
.cpanel-head{margin-bottom:22px}
.cpanel-head h2{font-size:23px;color:var(--navy);letter-spacing:.5px}
.cpanel-head p{margin-top:6px;font-size:13.5px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field.full{grid-column:1/-1}
.code {
        display: flex;
        justify-content: flex-start;
        flex-direction: row;
    }
    .field label {
        font-size: 13px;
        color: #41546a;
        font-weight: 600
    }
.field label .req{color:#e2554d;margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #dbe5f0;border-radius:9px;padding:11px 13px;
  font-size:14.5px;color:var(--text);background:#fbfdff;font-family:inherit;transition:.2s;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8fa3b8 50%),linear-gradient(135deg,#8fa3b8 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:36px}
.field textarea{resize:vertical;min-height:110px;line-height:1.65}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(21,101,216,.12)}
.field input::placeholder,.field textarea::placeholder{color:#a7b4c2}
.field .hint{font-size:12px;color:#9aa8b5}
.form-act{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-act .btn{cursor:pointer;border:none}
.form-act .hint{font-size:12.5px;color:#93a2b2}
.fstatus{
  display:none;margin-top:16px;padding:12px 14px;border-radius:9px;font-size:13.5px;line-height:1.6;
  background:#eefaf4;border:1px solid #b9e8d2;color:#127a52;
}
.fstatus.show{display:block}
.fstatus.warn{background:#fff8ec;border-color:#f5ddaf;color:#8a5a12}

/* --- 侧栏 --- */
.caside{display:grid;gap:18px}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 4px 16px rgba(10,31,60,.05);text-align:center}
.qr-card h4{font-size:15.5px;color:var(--navy);margin-bottom:4px}
.qr-card p{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.qr-card .qr-box{
  position:relative;width:148px;height:148px;margin:0 auto;border:1px solid #e8eff7;
  background:#fff;border-radius:10px;overflow:hidden;padding:6px;
  display:flex;align-items:center;justify-content:center;
}
.qr-card .qr-box img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:5px;z-index:2}
.qr-card .qr-ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#8ba3bf;font-size:12px;text-align:center;user-select:none}
.qr-card .qr-ph span{font-size:32px;line-height:1;color:#c3d3e4}
.qr-card .qr-tip{margin-top:12px;font-size:12.5px;color:#93a2b2}
.qr-card .qr-tip b{color:var(--navy)}
.hours-card{border-radius:var(--radius);padding:22px;color:#fff;background:linear-gradient(150deg,#0d2a52,#10406e 60%,#0c3358)}
.hours-card h4{font-size:15.5px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.hours-card li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:#c6d8ec;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.hours-card li:last-child{border-bottom:none}
.hours-card li b{color:#fff;font-weight:600}
.hours-card .hint{margin-top:10px;font-size:12px;color:#8fb0d0}
.quick-card{background:#f4f8fd;border:1px solid #e2edf9;border-radius:var(--radius);padding:20px 22px}
.quick-card b{display:block;font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.5px}
.quick-tel{display:block;font-size:23px;font-weight:800;color:var(--navy);letter-spacing:.5px;margin:2px 0 4px}
.quick-tel:hover{color:var(--blue)}
.quick-card .quick-mail{font-size:13px;color:#4a5f78;word-break:break-all}

/* --- 地图与到访 --- */
.map-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:26px;align-items:stretch}
.map-info{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 4px 16px rgba(10,31,60,.05)}
.map-info .mi-label{font-size:12.5px;letter-spacing:2px;color:var(--blue);font-weight:700}
.map-info h3{font-size:19px;color:var(--navy);margin:6px 0 10px;line-height:1.55}
.map-info .mi-addr{font-size:14px;color:#41546a;line-height:1.75;padding-left:22px;position:relative}
.map-info .mi-addr::before{content:"📍";position:absolute;left:0;top:0}
.map-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.map-links .btn{padding:9px 16px;font-size:13.5px}
.route{display:grid;gap:10px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.route li{font-size:13px;color:#5b6d82;line-height:1.65;padding-left:24px;position:relative}
.route li b{color:var(--navy);font-weight:600}
.route li::before{content:"";position:absolute;left:6px;top:8px;width:6px;height:6px;border-radius:50%;background:#9dc6f0}
.map-frame{
  position:relative;border-radius:var(--radius);overflow:hidden;min-height:330px;
  background:
    linear-gradient(rgba(21,101,216,.07) 1px,transparent 1px) 0 0/100% 38px,
    linear-gradient(90deg,rgba(21,101,216,.07) 1px,transparent 1px) 0 0/38px 100%,
    linear-gradient(140deg,#eaf3fc,#dcebf9);
  border:1px solid #dbe8f5;display:flex;align-items:center;justify-content:center;
}
.map-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:3}
.map-ph{text-align:center;padding:24px;color:#6b829b;font-size:13px;line-height:1.7;z-index:2}
.map-ph .pin{
  width:46px;height:46px;margin:0 auto 10px;border-radius:50% 50% 50% 6px;transform:rotate(-45deg);
  background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 18px rgba(21,101,216,.35);
  display:flex;align-items:center;justify-content:center;
}
.map-ph .pin::after{content:"";width:14px;height:14px;border-radius:50%;background:#fff;transform:rotate(45deg)}
.map-ph strong{display:block;color:var(--navy);font-size:14.5px;margin-bottom:3px}
.map-ph em{font-style:normal;font-size:12px;color:#94a7ba}

/* --- 合作流程 --- */
.cproc{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:34px}
.cproc li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:20px 18px;box-shadow:0 3px 12px rgba(10,31,60,.05);
}
.cproc .step{font-size:12px;font-weight:800;letter-spacing:1px;color:#b9cbe0}
.cproc b{display:block;font-size:15.5px;color:var(--navy);margin:4px 0 6px}
.cproc span{font-size:12.5px;color:var(--muted);line-height:1.6}
.cproc li::after{
  content:"⟶";position:absolute;right:-13px;top:50%;transform:translateY(-50%);
  color:#c4d6e8;font-size:14px;z-index:2;
}
.cproc li:last-child::after{display:none}

/* --- 响应式 --- */
@media(max-width:1100px){
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .cmain{grid-template-columns:1fr;gap:24px}
  .caside{grid-template-columns:1fr 1fr;align-items:start}
  .caside .quick-card{grid-column:1/-1}
  .map-grid{grid-template-columns:1fr}
  .cproc{grid-template-columns:repeat(3,1fr)}
  .cproc li:nth-child(3)::after{display:none}
  .cproc li:nth-child(4),.cproc li:nth-child(5){grid-column:auto}
}
@media(max-width:820px){
  .contact-cards{gap:14px;margin-bottom:40px}
  .ccard{padding:20px 18px}
  .cc-val{font-size:15.5px}
  .cpanel{padding:24px 22px}
  .form-grid{grid-template-columns:1fr;gap:0}
  .caside{grid-template-columns:1fr}
  .map-info{padding:22px}
  .cproc{grid-template-columns:repeat(2,1fr);gap:12px}
  .cproc li::after{display:none}
  .map-frame{min-height:260px}
}
@media(max-width:560px){
  .contact-cards{grid-template-columns:1fr}
  .cc-copy{opacity:1}
  .cpanel-head h2{font-size:20px}
  .form-act{flex-direction:column;align-items:stretch}
  .form-act .btn{width:100%;text-align:center}
  .form-act .hint{text-align:center}
  .cproc{grid-template-columns:1fr}
  .qr-card .qr-box{width:132px;height:132px}
}
/* iOS 聚焦不放大 */
@media(max-width:480px){
  .field input,.field select,.field textarea{font-size:16px}
}

/* 页脚：进入联系页的入口 */
.foot-map{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:#4fc3f7}
.foot-map:hover{text-decoration:underline}
/* 地图区复制按钮的完成态 */
.map-links .btn.done{border-color:#a5e5c8;color:#12855a;background:#eefaf4}
.cc-copy:focus-visible{opacity:1;outline:2px solid var(--blue);outline-offset:2px}
@media(hover:none){.cc-copy{opacity:1}}

/* =============================================================
   应用领域页 applications.html
   ============================================================= */
/* --- 快速跳转 --- */
.app-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:46px}
.app-nav a{
  display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:24px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:#3f5470;font-weight:600;
  box-shadow:0 2px 8px rgba(10,31,60,.04);transition:.25s;
}
.app-nav a i{font-style:normal;font-size:11.5px;color:#a9bcd2;font-weight:800}
.app-nav a:hover,.app-nav a:focus-visible{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:0 8px 18px rgba(21,101,216,.14)}

/* --- 为什么用镍钛 --- */
.why3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.wcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:0 4px 16px rgba(10,31,60,.05);transition:.3s}
.wcard:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(10,31,60,.1)}
.wcard .wn{font-size:12px;font-weight:800;letter-spacing:1.5px;color:#b9cbe0}
.wcard h3{font-size:17px;color:var(--navy);margin:6px 0 8px}
.wcard p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* --- 领域分行（图 / 文交替） --- */
.arow{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center;padding-bottom:70px;margin-bottom:70px;border-bottom:1px solid var(--line)}
.arow:last-child{border-bottom:none;padding-bottom:0;margin-bottom:0}
.arow.rev .arow-media{order:2}
.arow-media{
  position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,#0a3a6b,#1273c4);
  box-shadow:0 18px 44px rgba(10,31,60,.18);
}
.arow-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;transition:transform .6s ease}
.arow-media:hover img{transform:scale(1.04)}
.arow-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:rgba(255,255,255,.82);font-size:13px;z-index:1}
.arow-ph span{font-size:32px;line-height:1}
.arow-tag{
  position:absolute;left:18px;top:18px;z-index:3;border-radius:20px;padding:5px 14px;
  background:rgba(255,255,255,.94);color:#0f3f7a;font-size:12.5px;font-weight:700;
  letter-spacing:.5px;backdrop-filter:blur(4px);
}
.arow-body .en{font-size:12.5px;letter-spacing:3px;color:var(--cyan);font-weight:700;text-transform:uppercase}
.arow-body h2{font-size:clamp(22px,2.6vw,30px);color:var(--navy);margin:6px 0 0;letter-spacing:.5px}
.arow-body p{margin-top:12px;font-size:14.5px;color:#4a5f78;line-height:1.9}
.achips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.achips span{font-size:12.5px;color:#1565d8;background:#eef5fe;border:1px solid #dbe9fb;border-radius:6px;padding:4px 10px}
.amats{margin-top:18px;display:grid;gap:9px;padding-top:16px;border-top:1px dashed var(--line)}
.amats li{display:flex;gap:12px;font-size:13px;color:#5b6d82;line-height:1.65}
.amats b{flex:none;min-width:62px;color:var(--navy);font-weight:600}
.amats em{font-style:normal;color:#93a2b2}
.arow-focus{display:flex;gap:8px;margin-top:14px;font-size:12.5px;color:#8a5a12;background:#fff8ec;border:1px solid #f5ddaf;border-radius:8px;padding:9px 12px;line-height:1.6}
.arow-focus b{flex:none;font-weight:700;color:#8a5a12}
.arow-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:13.5px;font-weight:700;color:var(--blue)}
.arow-link:hover{gap:10px;color:#0f4fa8}

/* --- 对照表 --- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 4px 16px rgba(10,31,60,.05)}
.app-table{width:100%;min-width:780px;border-collapse:collapse;font-size:13.5px}
.app-table thead th{background:var(--navy);color:#fff;font-weight:600;font-size:13px;text-align:left;padding:13px 16px;white-space:nowrap}
.app-table tbody th{width:150px;text-align:left;padding:14px 16px;background:#f7fafd;color:var(--navy);font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap}
.app-table td{padding:14px 16px;color:#4a5f78;border-bottom:1px solid var(--line);line-height:1.7;vertical-align:top}
.app-table tbody tr:last-child th,.app-table tbody tr:last-child td{border-bottom:none}
.app-table tbody tr:hover td{background:#f8fbff}
.app-table td b{color:var(--navy);font-weight:600}

/* --- 医用 / 工业 双系列 --- */
.series-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.series-card{position:relative;border-radius:var(--radius);padding:34px 30px 30px;overflow:hidden;color:#fff}
.series-card.med{background:linear-gradient(150deg,#062a4a,#0b4a6b 58%,#0a5d70)}
.series-card.ind{background:linear-gradient(150deg,#0b2557,#154a92 58%,#1c6fb8)}
.series-card .st{font-size:12px;letter-spacing:2.5px;color:#7fd8f0;font-weight:700;text-transform:uppercase}
.series-card h3{font-size:21px;margin:6px 0 4px}
.series-card p{font-size:13.5px;color:#c6d8ec;line-height:1.8;margin-top:10px}
.series-card ul{margin-top:16px;display:grid;gap:9px;position:relative;z-index:2}
.series-card li{font-size:13px;color:#dbe9f7;padding-left:20px;position:relative;line-height:1.65}
.series-card li::before{content:"✓";position:absolute;left:0;color:#4fc3f7;font-weight:800}
.series-card .big{position:absolute;right:10px;bottom:-24px;font-size:84px;font-weight:800;letter-spacing:-3px;color:rgba(255,255,255,.07);z-index:1}

/* --- 常见问题 --- */
.faq-list{display:grid;gap:12px;max-width:940px;margin:0 auto}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;box-shadow:0 3px 12px rgba(10,31,60,.04)}
.faq-list summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;font-size:15px;font-weight:700;color:var(--navy)}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"＋";flex:none;color:var(--blue);font-weight:700;line-height:1.2}
.faq-list details[open] summary::after{content:"－"}
.faq-list details[open]{border-color:#cfe4fb;box-shadow:0 10px 26px rgba(10,31,60,.08)}
.faq-list p{margin-top:10px;font-size:14px;color:#4a5f78;line-height:1.85}

/* --- 响应式 --- */
@media(max-width:1000px){
  .why3{grid-template-columns:1fr 1fr}
  .arow{grid-template-columns:1fr;gap:26px;padding-bottom:52px;margin-bottom:52px}
  .arow.rev .arow-media{order:0}
  .arow-media{max-width:640px}
  .series-2{grid-template-columns:1fr}
}
@media(max-width:640px){
  .why3{grid-template-columns:1fr}
  .app-nav{gap:8px;margin-bottom:34px}
  .app-nav a{padding:8px 14px;font-size:13px}
  .arow-media{max-width:none}
  .arow-body p{font-size:14px}
  .amats li{flex-direction:column;gap:2px}
  .series-card{padding:26px 22px}
  .faq-list details{padding:14px 16px}
  .faq-list summary{font-size:14px}
}


/* =============================================================
   列表分页（products.html / news.html）
   ============================================================= */
.pager {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 38px;
    flex-wrap: wrap
}

    .pager[hidden] {
        display: none
    }

    .pager button {
        min-width: 42px;
        height: 42px;
        padding: 0 14px;
        border: 1px solid var(--line);
        background: #fff;
        border-radius: 10px;
        font-size: 14px;
        font-weight: 600;
        color: #3f5470;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-family: inherit;
        transition: border-color .2s,color .2s,background .2s,transform .2s;
    }

        .pager button:hover:not(:disabled):not(.on) {
            border-color: var(--blue);
            color: var(--blue);
            background: #f2f8ff;
            transform: translateY(-1px)
        }

        .pager button:focus-visible {
            outline: 2px solid var(--blue);
            outline-offset: 2px
        }

        .pager button.on {
            background: var(--navy);
            border-color: var(--navy);
            color: #fff;
            cursor: default
        }

        .pager button:disabled {
            opacity: .35;
            cursor: not-allowed
        }

.page-info {
    margin-left: 6px;
    font-weight: 600;
    color: var(--blue)
}

@media(max-width:560px) {
    .pager {
        gap: 6px;
        margin-top: 28px
    }

        .pager button {
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            font-size: 13px;
            border-radius: 8px
        }
}

/*验证码css*/
.captcha-row {
    display: grid;
    grid-template-columns: 1fr 132px;
    gap: 14px;
    margin-bottom: 14px;
    width: 50%;
}

    .captcha-row input {
        margin-bottom: 0
    }

.cap-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    border: 1px dashed rgba(79,195,247,.55);
    border-radius: 8px;
    color: #666;
    font-size: 14px;
    font-weight: normal;
    letter-spacing: 2px;
    background: repeating-linear-gradient(-45deg,rgba(79,195,247,.16) 0 9px,rgba(79,195,247,.05) 9px 18px);
    transition: border-color .2s;
}

    .cap-box:hover, .cap-box:focus-visible {
        border-color: #4fc3f7;
        outline: none
    }

    .cap-box .cap-ref {
        font-size: 13px;
        font-weight: 400;
        opacity: .7
    }

.m-page { margin-top:25px;}