/* =========================================================
   佳鸿威官网 设计系统
   深蓝 #0d2b4e / 灰白 #f5f7fa / 品牌红 #d6392f
   ========================================================= */
:root{
  --navy:#0d2b4e; --navy-2:#123a6b; --navy-3:#1b4b85; --blue:#1e5aa8;
  --red:#d6392f; --red-2:#b52d24;
  --bg:#f5f7fa; --card:#ffffff; --line:#e4e9f1;
  --text:#28313d; --muted:#69758a; --gold:#f0a83c;
  --shadow:0 6px 24px rgba(13,43,78,.08);
  --shadow-lg:0 14px 40px rgba(13,43,78,.16);
  --radius:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif;color:var(--text);background:var(--bg);font-size:15px;line-height:1.75}
img{max-width:100%;display:block;border:0}
a{color:var(--navy-2);text-decoration:none;transition:color .2s}
a:hover{color:var(--red)}
ul,ol{list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
.block{display:block;text-align:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;padding:10px 26px;border-radius:6px;font-size:15px;letter-spacing:1px;cursor:pointer;border:1px solid transparent;transition:.25s}
.btn-navy{background:var(--navy-2);color:#fff}
.btn-navy:hover{background:var(--navy);color:#fff}
.btn-red{background:var(--red);color:#fff;font-weight:bold}
.btn-red:hover{background:var(--red-2);color:#fff}
.btn-line{border-color:rgba(255,255,255,.7);color:#fff}
.btn-line:hover{background:#fff;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy-2);font-weight:bold}
.btn-light:hover{background:var(--red);color:#fff}

/* ---------- 头部 ---------- */
.hd{background:#fff}
.hd-top{background:var(--navy);color:#cfe0f2;font-size:12px}
.hd-top-in{display:flex;justify-content:space-between;align-items:center;height:32px}
.hd-slogan{letter-spacing:1px}
.hd-links a{color:#cfe0f2;margin-left:18px}
.hd-links a:hover{color:#fff}
.hd-main{display:flex;align-items:center;gap:28px;padding:16px}
.hd-logo{display:flex;align-items:center;gap:14px}
.hd-logo img{width:120px;height:auto;background:#fff;border-radius:6px;padding:4px}
.hd-name strong{display:block;font-size:19px;color:var(--navy);letter-spacing:1px;line-height:1.35}
.hd-name em{display:block;font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.4px;text-transform:uppercase}
.hd-tel{display:flex;align-items:center;gap:10px;margin-left:auto}
.hd-tel .ico{font-size:30px;color:var(--red);font-style:normal}
.hd-tel em{display:block;font-style:normal;font-size:12px;color:var(--muted)}
.hd-tel b{font-size:22px;color:var(--navy);letter-spacing:1px}
.hd-search{display:flex;border:2px solid var(--navy-2);border-radius:6px;overflow:hidden}
.hd-search input{width:210px;border:0;outline:0;padding:9px 12px;font-size:14px;color:var(--text)}
.hd-search button{border:0;background:var(--navy-2);color:#fff;padding:0 20px;cursor:pointer;font-size:14px;letter-spacing:2px;transition:.2s}
.hd-search button:hover{background:var(--red)}

/* 导航 */
.nav{background:linear-gradient(90deg,var(--navy) 0%,var(--navy-2) 60%,var(--navy-3) 100%);position:sticky;top:0;z-index:90;box-shadow:0 2px 10px rgba(13,43,78,.25)}
.nav-in{display:flex;align-items:center}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:16px;padding:12px 0;cursor:pointer}
.nav-sub-toggle{display:none;position:absolute;right:8px;top:50%;transform:translateY(-50%);width:36px;height:36px;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:8px;cursor:pointer;padding:0}
.nav-sub-toggle i{position:relative;width:12px;height:12px;display:block}
.nav-sub-toggle i::before,.nav-sub-toggle i::after{content:"";position:absolute;left:50%;top:50%;background:#fff;transform:translate(-50%,-50%)}
.nav-sub-toggle i::before{width:12px;height:2px}
.nav-sub-toggle i::after{width:2px;height:12px;transition:.2s}
.nav-sub-toggle.on i::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.nav-ul{display:flex;width:100%}
.nav-ul>li{flex:1;position:relative}
.nav-ul>li>a{display:block;text-align:center;color:#e8f0fa;font-size:16px;letter-spacing:2px;padding:14px 6px;position:relative;white-space:nowrap}
.nav-ul>li>a::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;background:var(--gold);transition:.25s;transform:translateX(-50%)}
.nav-ul>li:hover>a,.nav-ul>li.on>a{color:#fff;background:rgba(255,255,255,.08)}
.nav-ul>li:hover>a::after,.nav-ul>li.on>a::after{width:60%}
.drop{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;min-width:200px;border-radius:0 0 8px 8px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:.25s;padding:6px 0;max-height:70vh;overflow:auto;z-index:99}
.nav-ul>li:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:block;padding:9px 20px;font-size:14px;color:var(--text);border-bottom:1px dashed var(--line);white-space:nowrap}
.drop li:last-child a{border-bottom:0}
.drop a:hover{background:var(--bg);color:var(--navy-2);padding-left:26px}
/* 三级下拉（如 联系佳鸿威 → 新闻 → 行业资讯/维修技术） */
.drop .grp>a{font-weight:bold;color:var(--navy)}
.drop .sub{padding:0 0 4px 14px;border-left:2px solid var(--line);margin:0 0 4px 20px}
.drop .sub a{padding:6px 14px;font-size:13px;color:var(--muted);border-bottom:0}
.drop .sub a:hover{padding-left:20px;color:var(--red);background:transparent}

/* 面包屑 */
.crumbbar{background:#fff;border-bottom:1px solid var(--line)}
.crumbs{padding:10px 16px;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--navy-2)}
.crumbs .sep{margin:0 8px;color:#b9c2cf}

/* ---------- 轮播 ---------- */
.hero{position:relative;height:460px;overflow:hidden;background:var(--navy)}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .9s ease;display:flex;align-items:center}
.slide.cur{opacity:1}
.slide-in{position:relative;z-index:2}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,26,48,.78) 0%,rgba(9,26,48,.45) 45%,rgba(9,26,48,.08) 100%)}
.slide-in{z-index:2}
.slide h2{color:#fff;font-size:40px;letter-spacing:4px;text-shadow:0 2px 14px rgba(0,0,0,.4);margin-bottom:24px;font-weight:600}
.slide-sub{color:#dbe7f7;font-size:16px;letter-spacing:2px;text-shadow:0 2px 10px rgba(0,0,0,.5);margin:-14px 0 22px}
.hero-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.22);color:#fff;font-size:26px;cursor:pointer;transition:.2s;line-height:1}
.hero-btn:hover{background:var(--red)}
.hero-btn.prev{left:22px}.hero-btn.next{right:22px}
.hero-dots{position:absolute;bottom:18px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:5}
.hero-dots i{width:34px;height:5px;border-radius:3px;background:rgba(255,255,255,.4);cursor:pointer;transition:.25s}
.hero-dots i.cur{background:var(--gold);width:46px}

/* ---------- 数据带 ---------- */
.stats{margin-top:-56px;position:relative;z-index:10}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:26px 10px}
.stat{text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat p{font-size:42px;font-weight:700;color:var(--navy-2);line-height:1.2;font-family:Georgia,serif}
.stat p span{display:inline}
.stat h3{font-size:15px;color:var(--muted);letter-spacing:2px;font-weight:normal;margin-top:2px}
.stats-page{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);padding:22px 6px;margin:18px 0}

/* ---------- 通用区块 ---------- */
.sec{padding:64px 0 56px}
.sec-gray{background:var(--bg)}
.sec-navy{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%)}
.sec-navy .sec-head h2{color:#fff}
.sec-navy .sec-head em{color:#9db8d6}
.sec-navy .sec-head p{color:#c6d6ea}
.sec-head{text-align:center;margin-bottom:38px}
.sec-head h2{font-size:32px;color:var(--navy);letter-spacing:3px;font-weight:600}
.sec-head em{display:block;font-style:normal;font-size:13px;color:#9aa7ba;letter-spacing:6px;text-transform:uppercase;margin-top:4px}
.sec-head p{color:var(--muted);margin-top:10px;font-size:14px}
.sec-head.small{text-align:left;display:flex;align-items:baseline;gap:12px;margin:34px 0 18px}
.sec-head.small h2{font-size:22px}
.sec-head.small em{margin-top:0;letter-spacing:3px}
.sec-link{margin-left:auto;font-size:14px;color:var(--muted)}
.sec-more{text-align:center;margin-top:30px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:40px}

/* ---------- 首页业务卡 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.biz{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:0;transition:.3s;border-bottom:3px solid transparent;display:block;overflow:hidden}
.biz:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-bottom-color:var(--red)}
.biz-img{display:block;height:176px;overflow:hidden;background:var(--bg)}
.biz-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s ease}
.biz:hover .biz-img img{transform:scale(1.06)}
.biz-body{display:block;padding:20px 24px 26px}
.biz h3{font-size:19px;color:var(--navy);letter-spacing:1px;margin-bottom:8px}
.biz p{font-size:13.5px;color:var(--muted);min-height:66px}
.biz .more{font-size:13px;color:var(--blue)}
.biz:hover .more{color:var(--red)}

/* ---------- 品牌矩阵 ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:14px}
.brand{background:#fff;border:1px solid var(--line);border-radius:8px;text-align:center;padding:14px 6px;font-size:14px;color:var(--navy-2);transition:.25s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow)}
/* 首页行业应用（6 列） */
.apply-grid{grid-template-columns:repeat(6,1fr);gap:16px}
.apply-grid .brand{padding:20px 6px;font-size:15px;font-weight:bold}

/* 行业应用页：典型应用场景 */
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 22px;margin-top:6px}
.app-grid li{position:relative;padding:8px 0 8px 26px;font-size:14.5px;color:#3a4452;background:var(--bg);border-radius:6px}
.app-grid li::before{content:"▸";position:absolute;left:10px;color:var(--red)}

/* 相关内容列表（分类页） */
.rel-list{margin-top:6px}
.rel-list li{display:flex;justify-content:space-between;gap:16px;padding:10px 2px;border-bottom:1px dashed var(--line);font-size:14.5px}
.rel-list a{flex:1;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rel-list a:hover{color:var(--navy-2)}
.rel-list time{color:#9aa7ba;font-size:13px;white-space:nowrap}

/* ---------- 方案卡 ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;display:block;border-top:3px solid var(--navy-2);transition:.3s}
.sol:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-top-color:var(--red)}
.sol h3{font-size:18px;color:var(--navy);margin-bottom:10px}
.sol p{font-size:13.5px;color:var(--muted);min-height:70px}
.sol .more{font-size:13px;color:var(--blue)}

/* ---------- 视频卡 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.vcard{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);overflow:hidden;display:block;transition:.3s}
.vcard:hover{transform:translateY(-5px);background:rgba(255,255,255,.1)}
.vthumb{position:relative;display:block}
.vthumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.vthumb .play{position:absolute;inset:0;margin:auto;width:52px;height:52px;border-radius:50%;background:rgba(214,57,47,.85);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:18px;box-shadow:0 0 0 8px rgba(214,57,47,.25)}
.vcard strong{display:block;color:#fff;font-size:14.5px;font-weight:normal;padding:12px 14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 新闻列表 ---------- */
.news-list li{display:flex;justify-content:space-between;gap:16px;padding:11px 2px;border-bottom:1px dashed var(--line);font-size:14.5px}
.news-list li::before{content:"›";color:var(--red);font-weight:bold}
.news-list a{flex:1;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-list a:hover{color:var(--navy-2)}
.news-list time{color:#9aa7ba;font-size:13px;white-space:nowrap}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(90deg,var(--navy) 0%,var(--navy-3) 100%);padding:44px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta h2{color:#fff;font-size:24px;letter-spacing:2px;margin-bottom:6px}
.cta p{color:#c6d6ea;font-size:14px}
.cta-btns{display:flex;gap:14px}
.cta-btns.center{justify-content:center;margin-top:18px}
.cta .btn-red{font-size:17px;padding:12px 30px}

/* ---------- 内页头 ---------- */
.pagehero{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-3) 100%);padding:44px 0;position:relative;overflow:hidden}
.pagehero::after{content:"JAHW";position:absolute;right:4%;top:50%;transform:translateY(-50%);font-size:120px;font-weight:800;color:rgba(255,255,255,.05);letter-spacing:10px;font-family:Georgia,serif}
.pagehero h1{color:#fff;font-size:30px;letter-spacing:3px}
.pagehero p{color:#b9cde6;font-size:14px;margin-top:6px}
/* 后台可上传的栏目顶图：加一层深蓝遮罩保证文字可读 */
.pagehero.has-bg{background-size:cover;background-position:center;background-repeat:no-repeat;padding:56px 0}
.pagehero.has-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(8,24,45,.86) 0%,rgba(11,36,66,.66) 55%,rgba(13,43,78,.42) 100%)}
.pagehero.has-bg::after{color:rgba(255,255,255,.09)}
.pagehero.has-bg .wrap{position:relative;z-index:2}
.pagehero.has-bg h1{text-shadow:0 2px 14px rgba(0,0,0,.45)}
.pagehero.has-bg p{color:#d6e4f4}

/* ---------- 内页布局 ---------- */
.body-cols{display:grid;grid-template-columns:260px 1fr;gap:26px;padding:30px 16px 60px}
.body-single{padding:30px 16px 60px}
.side{display:flex;flex-direction:column;gap:18px}
.side-box{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.side-box h3{background:linear-gradient(90deg,var(--navy-2),var(--navy-3));color:#fff;font-size:16px;letter-spacing:2px;padding:12px 18px;font-weight:normal}
.side-nav li a{display:block;padding:11px 18px;font-size:14px;color:var(--text);border-bottom:1px dashed var(--line);border-left:3px solid transparent}
.side-nav li:last-child a{border-bottom:0}
.side-nav li a:hover{color:var(--navy-2);background:var(--bg)}
.side-nav li.on a{color:var(--navy-2);border-left-color:var(--red);background:var(--bg);font-weight:bold}
.side-cta{background:linear-gradient(150deg,var(--navy-2),var(--navy));text-align:center;padding-bottom:20px}
.side-cta h3{background:none;letter-spacing:4px}
.side-cta .tel-big{color:#fff;font-size:24px;font-weight:bold;letter-spacing:1px}
.side-cta .tel-mid{color:#ffca7a;font-size:17px;margin:2px 0 12px}
/* 侧栏「加微信 / 公众号」图标（在立即联系按钮下方） */
.side-cta .cta-im{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}
.side-cta .cta-im-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:9px 4px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.09);color:#dbe8f7;border-radius:7px;font:inherit;font-size:12px;line-height:1.2;cursor:pointer;transition:.2s}
.side-cta .cta-im-btn svg{width:22px;height:22px;display:block;color:#7fd394}
.side-cta .cta-im-btn em{font-style:normal}
.side-cta .cta-im-btn:hover{background:#fff;border-color:#fff;color:var(--navy)}
.side-cta .cta-im-btn:hover svg{color:var(--navy-2)}
.side-cta .cta-im-btn.on{background:#fff;border-color:#fff;color:var(--navy)}
.side-cta .cta-im-btn.on svg{color:var(--navy-2)}
.side-cta .cta-qr{margin-top:12px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.22)}
.side-cta .cta-qr img{display:block;margin:0 auto;padding:5px;background:#fff;border-radius:8px}
.side-cta .cta-qr p{font-size:12px;color:#a9c0d8;line-height:1.8;margin-top:8px}
.side-cta .cta-qr b{color:#fff}
.side-cta .cta-tip{margin-top:10px;font-size:12px;color:#7fd394;line-height:1.7;word-break:break-all}
.side-cta .cta-tip b{color:#fff}
.side-cta [hidden]{display:none!important}
.main{min-width:0}

/* ---------- 图文 ---------- */
.prose{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:30px 34px}
.prose h2{font-size:20px;color:var(--navy);margin:26px 0 12px;padding-left:12px;border-left:4px solid var(--red);letter-spacing:1px}
.prose h2:first-child{margin-top:0}
.prose p{margin:8px 0;color:#3a4452;font-size:14.5px;text-align:justify}
.prose .lead{font-size:15.5px;color:var(--navy);font-weight:bold;margin-bottom:14px}
.prose .scope{background:var(--bg);border:1px dashed var(--line);border-radius:8px;padding:12px 16px;color:var(--navy-2)}
/* 正文插图（后台「插入图片到正文」生成） */
.prose-img{margin:18px 0;text-align:center}
.prose-img img{width:100%;max-width:820px;margin:0 auto;border-radius:8px;border:1px solid var(--line);background:#fff}
.prose-img figcaption{margin-top:8px;font-size:13px;color:var(--muted);text-align:center;line-height:1.7}
/* 产品图集 */
.prose-gallery{margin:6px 0 22px;padding:18px 0 4px;border-top:1px solid var(--line)}
.prose-gallery h2{font-size:19px;color:var(--navy);margin:0 0 14px;padding-left:12px;border-left:4px solid var(--red);letter-spacing:1px}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pgrid a{position:relative;display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fafcff;transition:.25s}
.pgrid a:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-3px)}
.pgrid img{width:100%;height:180px;object-fit:cover;display:block}
.pgrid em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);padding:7px 10px;background:#fff;border-top:1px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:640px){
  .pgrid{grid-template-columns:repeat(2,1fr);gap:9px}
  .pgrid img{height:118px}
  .prose-gallery{padding-top:14px}
}
.feat-list li{position:relative;padding:7px 0 7px 26px;color:#3a4452;font-size:14.5px}
.feat-list li::before{content:"✓";position:absolute;left:2px;top:7px;color:var(--red);font-weight:bold}
.fault-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 22px;margin-top:6px}
.fault-grid li{position:relative;padding:6px 0 6px 24px;font-size:14px;color:#3a4452}
.fault-grid li::before{content:"▪";position:absolute;left:4px;color:var(--red)}
.flow{counter-reset:fl;margin-top:6px}
.flow li{counter-increment:fl;position:relative;padding:8px 0 8px 44px;font-size:14.5px;color:#3a4452}
.flow li::before{content:counter(fl);position:absolute;left:0;top:6px;width:28px;height:28px;border-radius:50%;background:var(--navy-2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}
.flow li:nth-child(even)::before{background:var(--red)}
.flow-lg li{padding:10px 0 10px 48px;font-size:15px}
.repair-cta{margin-top:26px;background:linear-gradient(120deg,var(--navy) 0%,var(--navy-3) 100%);border-radius:var(--radius);padding:22px 26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.repair-cta p{color:#dce8f5 !important;margin:0 !important;flex:1;min-width:220px}
.repair-cta strong{color:#ffca7a}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px;transition:.25s;border-top:3px solid transparent}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-top-color:var(--red)}
.card h3{font-size:16.5px;color:var(--navy);margin-bottom:8px;letter-spacing:.5px}
.card h3 a{color:var(--navy)}
.card p{font-size:13.5px;color:var(--muted);min-height:64px}
.card .more{font-size:13px;color:var(--blue)}
.card:hover .more{color:var(--red)}

/* ---------- 文章列表 ---------- */
.art-list li{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px;margin-bottom:16px;transition:.25s}
.art-list li:hover{box-shadow:var(--shadow-lg)}
.art h3{font-size:17.5px}
.art h3 a{color:var(--navy)}
.art h3 a:hover{color:var(--red)}
.art .meta{display:flex;gap:18px;font-size:12.5px;color:#9aa7ba;margin:6px 0}
.art .abs{font-size:13.5px;color:var(--muted)}
.art .more{font-size:13px;color:var(--blue);display:inline-block;margin-top:8px}

/* ---------- 详情页 ---------- */
.detail .art-title{font-size:24px;color:var(--navy);letter-spacing:1px;line-height:1.5}
.art-meta{display:flex;flex-wrap:wrap;gap:18px;color:#9aa7ba;font-size:13px;margin:12px 0 18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.tagline{margin-top:24px;padding-top:16px;border-top:1px dashed var(--line)}
.tagline span{display:inline-block;background:var(--bg);color:var(--muted);font-size:12.5px;border-radius:4px;padding:3px 10px;margin:4px 6px 0 0}
.pglink{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;font-size:13px;color:var(--muted)}
.pglink a{color:var(--navy-2)}
.video-hero{position:relative;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;background:#000}
.video-hero img{width:100%;max-height:420px;object-fit:cover;opacity:.9}
.vnote{position:absolute;left:0;right:0;bottom:0;background:rgba(9,26,48,.82);color:#cfe0f2;font-size:13px;padding:10px 16px}
.vnote a{color:#fff;text-decoration:underline}
/* 可播放视频：竖屏手机实录按高度约束，横屏自适应宽度 */
.video-hero.playable{background:#0b1626;border-radius:var(--radius);margin-bottom:22px}
.video-hero.playable .vplayer{display:block;width:100%;max-height:660px;margin:0 auto;background:#000;object-fit:contain}
.video-hero.playable .vnote{position:static;padding:11px 18px;background:#0f2340;color:#bcd2ea}
/* 视频案例父页：可直接播放的实录视频 */
.vhub{margin-bottom:26px}
.vgrid{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:14px 0 0;padding:0}
.vgrid li{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;padding-bottom:14px}
.vgrid video{display:block;width:100%;height:230px;background:#0b1626;object-fit:contain}
.vgrid h3{font-size:14.5px;line-height:1.5;margin:12px 14px 6px;font-weight:600}
.vgrid h3 a{color:var(--ink);text-decoration:none}
.vgrid h3 a:hover{color:var(--red)}
.vgrid p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:0 14px}

/* ---------- 搜索页 ---------- */
.searchbar{display:flex;max-width:640px;margin:0 auto 26px;border:2px solid var(--navy-2);border-radius:8px;overflow:hidden}
.searchbar input{flex:1;border:0;outline:0;padding:12px 16px;font-size:15px}
.searchbar button{border:0;background:var(--navy-2);color:#fff;padding:0 34px;font-size:15px;letter-spacing:2px;cursor:pointer}
.searchbar button:hover{background:var(--red)}
.search-count{color:var(--muted);font-size:14px;margin-bottom:14px}
.search-count b{color:var(--red)}
.empty{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:34px;text-align:center;color:var(--muted)}

/* ---------- 子栏目快捷导航 ---------- */
.subnav{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.subnav a{background:#fff;border:1px solid var(--line);border-radius:6px;padding:9px 22px;font-size:14.5px;color:var(--navy-2);transition:.25s}
.subnav a:hover{background:var(--navy-2);border-color:var(--navy-2);color:#fff}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
.contact-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;text-align:center;border-top:3px solid var(--navy-2)}
.contact-card h3{font-size:15px;color:var(--muted);font-weight:normal;letter-spacing:2px}
.contact-card .tel-big{font-size:24px;color:var(--navy);font-weight:bold;margin:8px 0 4px}
.contact-card .tel-mid{font-size:17px;color:var(--navy-2);font-weight:bold;margin:8px 0 4px}
.contact-card .tel-mid.addr{font-size:14.5px;line-height:1.6}
.contact-card p{font-size:12.5px;color:var(--muted)}
.cols-2{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}
.qr-box{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;text-align:left}
.qr-box h3{font-size:17px;color:var(--navy);margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.qr-box .qr-row{display:flex;gap:16px;align-items:center}
.qr-box .qr-row img{margin:0;flex:none;border:1px solid var(--line);border-radius:8px}
.qr-box .qr-row p{font-size:13.5px;color:var(--muted);line-height:2}
.qr-box p.qr-tip{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted)}
.qr-box b{color:var(--navy)}

/* ---------- 下载页 ---------- */
.dl-list li{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-bottom:14px;transition:.25s}
.dl-list li:hover{border-color:var(--navy-2);box-shadow:var(--shadow)}
.dl-list h3{font-size:16px;color:var(--navy)}
.dl-list p{font-size:13px;color:var(--muted);margin-top:4px}

/* 小号按钮 */
.btn.sm{padding:7px 16px;font-size:13.5px;letter-spacing:.5px}

/* 侧栏数量角标 */
.side-nav li a{display:flex;justify-content:space-between;align-items:center;gap:8px}
.side-nav .cnt{font-style:normal;font-size:12px;color:var(--muted);background:var(--bg);border-radius:10px;padding:1px 8px}
.side-nav li.on .cnt{background:#fff;color:var(--red)}

/* 下载中心：导语与标题 */
.lead-box{background:#fff;border-left:4px solid var(--navy-2);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px;margin-bottom:20px}
.lead-box p{color:#3a4452;font-size:14.5px;text-align:justify;line-height:1.9}
.blk-h2{font-size:20px;color:var(--navy);margin:26px 0 14px;padding-left:12px;border-left:4px solid var(--red);letter-spacing:1px}
.feat-inline{margin-bottom:22px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 22px}

/* 下载分类卡片（下载中心首页） */
.dl-cat-grid{display:grid;grid-template-columns:1fr;gap:18px}
.dl-cat{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;border-top:3px solid var(--navy-2);transition:.25s}
.dl-cat:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-top-color:var(--red)}
.dl-cat-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.dl-cat-no{font-family:Georgia,serif;font-size:30px;font-weight:700;color:var(--navy-2);opacity:.22;line-height:1}
.dl-cat-head h3{font-size:18px;color:var(--navy);letter-spacing:1px}
.dl-cat-head h3 a{color:var(--navy)}
.dl-cat-head em{font-style:normal;font-size:12.5px;color:var(--muted)}
.dl-cat-desc{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:12px}
.dl-cat-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 20px;margin-bottom:12px}
.dl-cat-list li{position:relative;padding:6px 0 6px 20px;font-size:13.5px}
.dl-cat-list li::before{content:"▸";position:absolute;left:2px;color:var(--red)}
.dl-cat-list a{color:var(--text)}
.dl-cat-list a:hover{color:var(--navy-2)}
.dl-cat .more{font-size:13.5px;color:var(--blue)}

/* 热门资料 */
.hot-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hot-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;display:flex;align-items:center;gap:14px;transition:.25s}
.hot-item:hover{box-shadow:var(--shadow-lg)}
.hot-body{flex:1;min-width:0}
.hot-item h3{font-size:15px;color:var(--navy);margin-bottom:4px}
.hot-item h3 a{color:var(--navy)}
.hot-item .meta{display:flex;gap:14px;font-size:12px;color:#9aa7ba;margin-bottom:4px}
.hot-item .dl-abs{margin:0}

/* 资料列表页（下载资料） */
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.dl-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;display:flex;flex-direction:column;transition:.25s;border-bottom:3px solid transparent}
.dl-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-bottom-color:var(--red)}
.dl-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.dl-tag{font-size:12px;color:var(--navy-2);background:#eef3fa;border-radius:4px;padding:3px 10px;max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dl-mode{font-size:12px;color:var(--navy-2);border:1px solid var(--line);border-radius:4px;padding:2px 9px;white-space:nowrap}
.dl-mode.ok{color:var(--red);border-color:rgba(214,57,47,.35);background:rgba(214,57,47,.06)}
.dl-item h3{font-size:15.5px;color:var(--navy);line-height:1.6;margin-bottom:8px}
.dl-item h3 a{color:var(--navy)}
.dl-item h3 a:hover{color:var(--red)}
.dl-abs{font-size:13px;color:var(--muted);line-height:1.75;margin-bottom:10px}
.dl-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12.5px;color:#9aa7ba;border-top:1px dashed var(--line);padding-top:10px;margin-bottom:12px}
.dl-acts{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap}
.dl-note{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;margin-top:22px;border-left:4px solid var(--navy-2)}
.dl-note h3{font-size:16px;color:var(--navy);margin-bottom:8px;letter-spacing:1px}
.dl-note p{font-size:13.5px;color:var(--muted);line-height:1.9}
.dl-note a{color:var(--navy-2);font-weight:bold}

/* 详情页资料信息盒 */
.dl-box{margin-top:26px;background:linear-gradient(120deg,#f7f9fc,#eef3fa);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.dl-box-info{flex:1;min-width:240px}
.dl-box-info h3{font-size:16px;color:var(--navy);margin-bottom:10px;letter-spacing:1px;padding-left:10px;border-left:4px solid var(--red)}
.dl-box-info ul li{display:flex;gap:12px;font-size:13.5px;padding:4px 0;border-bottom:1px dashed var(--line)}
.dl-box-info ul li:last-child{border-bottom:0}
.dl-box-info em{font-style:normal;color:var(--muted);flex:0 0 74px}
.dl-box-info span{color:var(--text)}
.dl-box-act{display:flex;flex-direction:column;gap:10px;align-items:center;min-width:200px}
.dl-box-act .btn{width:100%;text-align:center}
.dl-hint{font-size:12.5px;color:var(--muted);text-align:center;line-height:1.7}

/* 内页 CTA */
.cta-inline{margin-top:26px;background:linear-gradient(90deg,var(--navy) 0%,var(--navy-3) 100%);border-radius:var(--radius);padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.cta-inline h3{color:#fff;font-size:19px;letter-spacing:1px;margin-bottom:6px}
.cta-inline p{color:#c6d6ea;font-size:13.5px}

/* ---------- 产品缩略图网格（信捷产品中心式：浅底圆角图+名称+一行说明，4×6=24每页） ---------- */
.grid-count{font-size:13px;color:var(--muted);margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.grid-count b{color:var(--red)}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px 22px}
.pcard{display:block;background:none;border:0;border-radius:0;box-shadow:none}
.pthumb{position:relative;display:block;aspect-ratio:1000/723;border-radius:10px;overflow:hidden;background:#f2f5f9;margin-bottom:15px;transition:box-shadow .3s}
.pthumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.pcard:hover .pthumb{box-shadow:0 6px 20px rgba(13,43,78,.18)}
.pcard:hover .pthumb img{transform:scale(1.06)}
.pbadge{position:absolute;left:10px;top:10px;background:rgba(13,43,78,.85);color:#fff;font-size:12px;padding:3px 10px;border-radius:4px;letter-spacing:1px}
.ptag{position:absolute;right:10px;bottom:10px;background:rgba(214,57,47,.92);color:#fff;font-size:11.5px;padding:2px 9px;border-radius:4px}
.pbody{padding:0;display:block}
.pbody h3{font-size:16px;line-height:1.5;font-weight:700;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.pbody h3 a{color:var(--navy);transition:color .25s}
.pcard:hover .pbody h3 a{color:var(--blue)}
.pbody p{font-size:13px;color:#8d99ab;line-height:1.6;padding-right:22px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;background:transparent right center no-repeat;background-size:13px 13px;transition:color .25s}
.pcard:hover .pbody p{color:var(--navy-2);background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 5l7 7-7 7' fill='none' stroke='%23d6392f' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.prose-below{margin-top:26px}

/* 分页（上下翻页） */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin:26px 0 6px;flex-wrap:wrap}
.pg-btn,.pg-num{min-width:38px;padding:8px 14px;border-radius:6px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--navy-2);text-align:center;transition:.2s}
.pg-num{padding:8px 12px}
.pg-btn:hover,.pg-num:hover{border-color:var(--navy-2);background:var(--bg);color:var(--navy)}
.pg-num.on{background:var(--navy-2);border-color:var(--navy-2);color:#fff;font-weight:bold}
.pg-btn.dis{color:#b6c1d1;cursor:default}
.pg-dots{color:#9aa7ba}

/* ---------- 404 ---------- */
.notfound{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:60px 30px;text-align:center}
.notfound .code{font-size:90px;font-weight:800;color:var(--navy-2);font-family:Georgia,serif;line-height:1}
.notfound h1{font-size:20px;color:var(--navy);margin:12px 0 6px}
.notfound p{color:var(--muted)}

/* ---------- 页脚 ---------- */
.ft{background:#0b2138;color:#9db4cc;margin-top:20px}
.ft-in{display:grid;grid-template-columns:1.3fr .8fr .8fr 1.1fr .8fr;gap:30px;padding:44px 16px 30px}
.ft h4{color:#fff;font-size:16px;letter-spacing:2px;margin-bottom:14px;font-weight:normal;position:relative;padding-bottom:10px}
.ft h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--red)}
.ft p{font-size:13px;line-height:1.9}
.ft-col ul li{margin:7px 0}
.ft-col a{color:#9db4cc;font-size:13px}
.ft-col a:hover{color:#fff}
.ft-badge{margin-top:14px;display:inline-block;border:1px solid rgba(255,255,255,.25);border-radius:6px;padding:8px 14px;font-size:13px;color:#ffca7a}
.ft-badge span{font-size:20px;font-weight:bold;color:#fff;margin-right:6px}
.ft-cta li{display:flex;gap:10px;font-size:13px;line-height:1.7;color:#b9cde6}
.ft-cta b{color:#fff;font-weight:normal;flex-shrink:0}
.ft-qr .qr-row{display:flex;gap:12px;align-items:center}
.ft-qr img{margin:0;flex:none;border:4px solid rgba(255,255,255,.12);border-radius:6px}
.ft-qr p{font-size:12.5px;color:#9db4cc;line-height:1.9;text-align:left}
.ft-qr p b{color:#fff;font-weight:normal}
.ft-bar{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;font-size:12.5px;text-align:center}
.ft-bar a{color:#9db4cc}
.ft-bar a:hover{color:#fff}
.ft-kw{margin-left:16px;color:#5c748e}
.ft-kw a{color:#5c748e}

/* ---------- 悬浮电话 ---------- */
.side-tel{position:fixed;right:18px;bottom:18%;z-index:80;background:var(--red);color:#fff;border-radius:10px;padding:12px 10px;text-align:center;box-shadow:var(--shadow-lg)}
.side-tel span{font-size:22px;display:block}
.side-tel em{font-style:normal;font-size:12px;line-height:1.4;display:block;margin-top:4px}
.side-tel:hover{background:var(--red-2);color:#fff}

/* ---------- 在线沟通入口（页头 / 页脚 / 联系页） ---------- */
.hd-chat-link svg{width:14px;height:14px;vertical-align:-2px;margin-right:5px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hd-links a.hd-chat-link{color:#ffd7c2}
.hd-links a.hd-chat-link:hover{color:#fff}
.hd-chat-btn{display:flex;align-items:center;gap:9px;margin-left:18px;padding:9px 16px;border:0;border-radius:6px;background:var(--red);color:#fff;cursor:pointer;font-family:inherit;transition:.2s}
.hd-chat-btn svg{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.hd-chat-btn em{display:block;font-style:normal;font-size:12px;opacity:.9}
.hd-chat-btn b{font-size:16px;letter-spacing:1px}
.hd-chat-btn:hover{background:var(--red-2)}
.ft-cta a{color:#cfe0f2}
.ft-cta a:hover{color:#fff}
.ft-act{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.ft-act-btn{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:6px;font-size:13px;color:#fff !important;transition:.2s}
.ft-act-btn svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ft-act-btn.chat{background:var(--red)}
.ft-act-btn.chat:hover{background:var(--red-2)}
.ft-act-btn.tel{background:rgba(255,255,255,.12)}
.ft-act-btn.tel:hover{background:rgba(255,255,255,.22)}

/* 联系页图标条 */
.chat-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:24px}
.chat-bar a{display:flex;flex-direction:column;align-items:center;gap:9px;padding:20px 8px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);color:var(--navy);font-size:14px;text-decoration:none;transition:.2s}
.chat-bar a svg{width:32px;height:32px;fill:none;stroke:var(--navy-2);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:.2s}
.chat-bar a:hover{background:var(--navy-2);color:#fff;transform:translateY(-2px)}
.chat-bar a:hover svg{stroke:#fff}
.chat-bar a.primary{background:var(--red);color:#fff}
.chat-bar a.primary svg{stroke:#fff}
.chat-bar a.primary:hover{background:var(--red-2)}
.chat-bar a em{font-style:normal;font-size:12px;opacity:.72;margin-top:-4px}
.contact-card h3{display:flex;align-items:center;gap:8px}
.contact-card h3 svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--red);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.contact-card .cc-act{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.contact-card .cc-act a,.contact-card .cc-act button{display:inline-flex;align-items:center;gap:5px;border:0;background:var(--bg);color:var(--navy-2);border-radius:5px;padding:6px 12px;font-size:12.5px;font-family:inherit;cursor:pointer;text-decoration:none;transition:.2s}
.contact-card .cc-act a:hover,.contact-card .cc-act button:hover{background:var(--navy-2);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hd-main{flex-wrap:wrap;gap:14px}
  .hd-search{order:5;width:100%}
  .hd-search input{flex:1;width:auto}
  .hd-tel{margin-left:auto}
  .nav-ul{flex-wrap:wrap}
  .nav-ul>li{flex:0 0 auto}
  .brand-grid{grid-template-columns:repeat(4,1fr)}
  .apply-grid{grid-template-columns:repeat(3,1fr)}
  .biz-grid,.video-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .body-cols{grid-template-columns:1fr}
  .ft-in{grid-template-columns:1fr 1fr}
  .cols,.grid-3,.cols-2{grid-template-columns:1fr}
  .dl-cat-grid,.hot-grid,.dl-grid{grid-template-columns:1fr}
  .dl-cat-list{grid-template-columns:1fr 1fr}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .vgrid{grid-template-columns:repeat(2,1fr)}
  .chat-bar{grid-template-columns:repeat(3,1fr)}
  .slide h2{font-size:28px}
  .hero{height:340px}
}
@media (max-width:640px){
  .hd-top-in{display:none}
  .nav-toggle{display:block;width:100%;text-align:left;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:12px 16px;margin-top:2px}
  .nav-in{display:block}
  .nav-ul{display:none;flex-direction:column;padding-bottom:8px}
  .nav-ul.open{display:flex}
  .nav-ul>li{flex:none}
  .nav-ul>li>a{text-align:left;padding:13px 46px 13px 4px;letter-spacing:1px}
  .nav-ul>li.has-sub>.nav-sub-toggle{display:inline-flex}
  .nav-ul>li.sub-open>.drop{display:block}
  .nav-ul>li.grp.sub-open>.sub{display:block}
  .drop{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;padding:0 0 6px 18px;background:transparent;display:none}
  .nav-ul>li:hover .drop{display:block}
  .drop a{background:transparent;color:#b9cde6;border-bottom:0;padding:7px 10px}
  .drop a:hover{color:#fff;padding-left:14px}
  .stats-in{grid-template-columns:1fr 1fr;padding:18px 4px}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0}
  .stat:nth-child(2){border-right:0}
  .stat p{font-size:30px}
  .biz-grid,.video-grid,.sol-grid,.brand-grid,.grid-2,.contact-grid,.vgrid{grid-template-columns:1fr}
  .ft-qr .qr-row,.qr-box .qr-row{flex-wrap:wrap}
  .apply-grid{grid-template-columns:1fr 1fr;gap:10px}
  .apply-grid .brand{font-size:14px;padding:14px 4px}
  .app-grid{grid-template-columns:1fr}
  .pglink{grid-template-columns:1fr}
  .prose{padding:22px 18px}
  .cta-in{flex-direction:column;text-align:center}
  .slide h2{font-size:22px;letter-spacing:2px}
  .hero{height:260px}
  .pagehero h1{font-size:24px}
  .pagehero::after{font-size:70px}
  .ft-in{grid-template-columns:1fr}
  .side-tel{right:10px;bottom:12px;padding:9px 8px}
  .chat-bar{grid-template-columns:1fr 1fr;gap:10px}
  .chat-bar a{padding:16px 6px;font-size:13px}
  .chat-bar a svg{width:26px;height:26px}
  .hd-chat-btn{margin-left:0;order:6;width:100%;justify-content:center}
  .ft-act{flex-direction:column;align-items:flex-start}
  .repair-cta{flex-direction:column;text-align:center}
  .dl-cat-list{grid-template-columns:1fr}
  .pgrid{grid-template-columns:1fr 1fr;gap:20px 12px}
  .pbody h3{font-size:14px}
  .pbody p{font-size:12.5px;padding-right:16px}
  .dl-box{flex-direction:column;align-items:stretch}
  .dl-box-act{min-width:0}
  .cta-inline{flex-direction:column;text-align:center}
}

/* =========================================================
   内容保护：禁止选中 / 复制 / 拖图 / 长按保存
   开启方式：<html class="nocopy">（由 head.ejs 服务端输出，无需等 JS）
   例外（仍可正常操作）：表单、tel:/mailto: 链接、加微信按钮、.allow-copy
   如需关闭保护 → 去掉 head.ejs 中 html 标签上的 nocopy 类即可
   ========================================================= */
html.nocopy,html.nocopy *{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none}
html.nocopy img,html.nocopy a{-webkit-user-drag:none;user-drag:none}
html.nocopy input,html.nocopy textarea,html.nocopy select,html.nocopy [contenteditable="true"],
html.nocopy .allow-copy,html.nocopy .allow-copy *,
html.nocopy a[href^="tel:"],html.nocopy a[href^="tel:"] *,
html.nocopy a[href^="mailto:"],html.nocopy a[href^="mailto:"] *,
html.nocopy [data-wechat],html.nocopy [data-wechat] *{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}

/* 复制被拦截时的友好提示 */
.copyright-tip{position:fixed;left:50%;bottom:40px;z-index:9999;max-width:88vw;padding:11px 20px;border-radius:8px;background:rgba(13,43,78,.94);color:#fff;font-size:13.5px;line-height:1.7;text-align:center;box-shadow:var(--shadow-lg);opacity:0;transform:translate(-50%,16px);transition:opacity .26s,transform .26s;pointer-events:none}
.copyright-tip.on{opacity:1;transform:translate(-50%,0)}
.copyright-tip b{color:#ffd98a;font-weight:normal}
@media (max-width:640px){.copyright-tip{bottom:22px;font-size:12.5px;padding:10px 16px}}

/* ---------- 常见问题（FAQ，原生 details 折叠，无 JS 依赖 ---------- */
.faq-list{max-width:920px;margin:0 auto}
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;position:relative;list-style:none;padding:15px 48px 15px 20px;font-size:16px;color:var(--navy);font-weight:bold;transition:.2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'＋';position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--blue);font-weight:normal;font-size:17px;transition:.2s}
.faq[open] summary::after{content:'－'}
.faq[open] summary{background:var(--bg);color:var(--navy-2)}
.faq summary:hover{color:var(--red)}
.faq p{padding:14px 20px 18px;color:var(--muted);font-size:14.5px;line-height:1.85;border-top:1px solid var(--line)}
@media (max-width:640px){
  .faq summary{font-size:14.5px;padding:13px 42px 13px 15px}
  .faq summary::after{right:15px}
  .faq p{font-size:13.5px;padding:12px 15px 15px}
}