@charset "utf-8";
/* =========================================================================
   adv1 — aromadiffuser.119lora.com 独立指纹模板
   命名空间 : ad-
   资源目录 : /skin/ad1/
   与 xjv1(xiangxunji) 的关系 : 同信息架构，不同 DOM 结构 / 命名 / 栅格体系
   ========================================================================= */

/* ---------- 1. reset & tokens ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
     color:#1c2b2d;background:#f5f8f8;overflow-x:hidden}
img{max-width:100%;height:auto;border:0;vertical-align:middle}
a{color:#0e5a63;text-decoration:none;transition:color .18s}
a:hover{color:#c9822f}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
table{width:100%;border-collapse:collapse}
:root{
  --ad-primary:#0e5a63; --ad-primary-d:#0a464e; --ad-accent:#c9822f;
  --ad-ink:#1c2b2d; --ad-muted:#6b7c7e; --ad-line:#dfe7e7;
  --ad-bg:#f5f8f8; --ad-card:#ffffff; --ad-radius:10px;
  --ad-wrap:1200px; --ad-gap:24px;
}

/* ---------- 2. layout ---------- */
.ad-wrap{width:100%;max-width:var(--ad-wrap);margin:0 auto;padding:0 18px}
.ad-layout{display:flex;flex-wrap:wrap;gap:var(--ad-gap);align-items:flex-start;margin:26px auto}
.ad-main{flex:1 1 720px;min-width:0}
.ad-side{flex:0 0 296px;min-width:0}
.ad-mt2{margin-top:16px}.ad-mt3{margin-top:24px}.ad-mt4{margin-top:36px}
.ad-mb3{margin-bottom:24px}

/* 栅格系统（ad-g-N）。当前实际使用 ad-g-6 / ad-g-4，其余为预留档位；
   产品三列由 .ad-prod3 直接驱动，不走栅格类。 */
.ad-grid{display:flex;flex-wrap:wrap;gap:var(--ad-gap)}
.ad-g-12{flex:0 0 100%;max-width:100%}
.ad-g-9{flex:0 0 calc(75% - var(--ad-gap));max-width:75%}
.ad-g-8{flex:0 0 calc(66.666% - var(--ad-gap));max-width:66.666%}
.ad-g-7{flex:0 0 calc(58.333% - var(--ad-gap));max-width:58.333%}
.ad-g-6{flex:0 0 calc(50% - var(--ad-gap)/2);max-width:50%}
.ad-g-5{flex:0 0 calc(41.666% - var(--ad-gap));max-width:41.666%}
.ad-g-4{flex:0 0 calc(33.333% - var(--ad-gap)/1.5);max-width:33.333%}
.ad-g-3{flex:0 0 calc(25% - var(--ad-gap)/1.34);max-width:25%}

/* ---------- 3. 顶栏 + 品牌条 ---------- */
.ad-topbar{background:var(--ad-primary-d);color:#cfe3e3;font-size:13px}
.ad-topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.ad-topnote{letter-spacing:.02em}
.ad-cat{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.ad-cat a{color:#cfe3e3;font-size:13px}
.ad-cat a:hover{color:#fff}

.ad-header{background:#fff;border-bottom:1px solid var(--ad-line);position:relative;z-index:30}
.ad-brandbar{background:#fff}
.ad-brandrow{display:flex;align-items:center;gap:20px;min-height:76px}
.ad-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.ad-logo img{height:44px;width:auto}
.ad-logo-t{font-size:17px;font-weight:700;color:var(--ad-ink);letter-spacing:.01em}
.ad-search{display:flex;flex:1 1 auto;max-width:420px;border:1px solid var(--ad-line);border-radius:var(--ad-radius);overflow:hidden;background:#fbfdfd}
.ad-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;padding:10px 14px;outline:none}
.ad-search button{border:0;background:var(--ad-primary);color:#fff;padding:0 20px;cursor:pointer;font-weight:600}
.ad-search button:hover{background:var(--ad-primary-d)}
.ad-hotline{display:flex;flex-direction:row;align-items:center;gap:9px;line-height:1.2;flex:0 0 auto;white-space:nowrap}
.ad-hotline-l{font-size:12px;color:var(--ad-muted);text-transform:uppercase;letter-spacing:.08em}
.ad-hotline strong{font-size:18px;color:var(--ad-primary)}
.ad-burger{display:none;flex:0 0 auto;width:44px;height:40px;border:1px solid var(--ad-line);border-radius:8px;
           background:#fff;cursor:pointer;padding:10px 10px}
.ad-burger i{display:block;height:2px;background:var(--ad-ink);border-radius:2px}
.ad-burger i + i{margin-top:5px}

/* 横向主导航（桌面端；<=820px 隐藏，回退抽屉。
   与参考站 xj-mainnav 拉开指纹：本站用平铺 <a>，不出现 ul/li 结构，类名 ad-mn） */
.ad-mainbar{background:var(--ad-primary);border-top:1px solid rgba(255,255,255,.10)}
.ad-mainnav{display:flex;align-items:center;flex-wrap:wrap}
.ad-mn{display:block;padding:0 17px;line-height:46px;color:#d9ebeb;font-size:14px;font-weight:600;
       letter-spacing:.005em;border-right:1px solid rgba(255,255,255,.09);white-space:nowrap}
.ad-mn:last-child{border-right:0}
.ad-mn:hover{background:var(--ad-primary-d);color:#fff}
.ad-mn.ad-on{background:var(--ad-primary-d);color:#fff;box-shadow:inset 0 -3px 0 var(--ad-accent)}

/* 抽屉导航 */
.ad-drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:#fff;z-index:60;
           transform:translateX(102%);transition:transform .26s ease;display:flex;flex-direction:column;
           box-shadow:-8px 0 32px rgba(0,0,0,.14)}
.ad-drawer.ad-is-open{transform:translateX(0)}
.ad-drawer-h{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;
             border-bottom:1px solid var(--ad-line);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:13px}
.ad-drawer-x{border:0;background:transparent;font-size:26px;line-height:1;cursor:pointer;color:var(--ad-muted)}
.ad-drawernav{flex:1 1 auto;overflow-y:auto;padding:8px 0}
.ad-drawernav a{display:block;padding:12px 18px;border-bottom:1px solid #f0f4f4;color:var(--ad-ink);font-size:15px}
.ad-drawernav a:hover{background:#f2f7f7;color:var(--ad-primary)}
.ad-drawer-f{border-top:1px solid var(--ad-line);padding:14px 18px;display:flex;flex-direction:column;gap:6px;font-size:14px}
.ad-scrim{position:fixed;inset:0;background:rgba(12,28,30,.42);z-index:55;opacity:0;pointer-events:none;transition:opacity .26s}
.ad-scrim.ad-is-open{opacity:1;pointer-events:auto}

/* ---------- 4. 首屏 Hero（静态大图 + 浮层卡，区别于 xjv1 轮播） ---------- */
.ad-hero{position:relative;background:#0b2f33;overflow:hidden}
.ad-hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;background-repeat:no-repeat;
            opacity:.42;filter:saturate(.85)}
.ad-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,42,46,.92) 0%,rgba(9,42,46,.62) 46%,rgba(9,42,46,.30) 100%)}
.ad-hero-in{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;
            padding-top:64px;padding-bottom:64px}
.ad-hero-copy{flex:1 1 520px;min-width:0;color:#fff}
.ad-hero-kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ad-accent);font-weight:700;margin-bottom:12px}
.ad-hero-copy h1{font-size:38px;line-height:1.24;font-weight:800;margin-bottom:16px;color:#fff}
.ad-hero-sub{font-size:16px;line-height:1.85;color:#cfe3e3;max-width:620px}
.ad-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.ad-hero-card{flex:0 0 320px;background:rgba(255,255,255,.97);border-radius:14px;padding:22px;
              box-shadow:0 18px 44px rgba(0,0,0,.26)}
.ad-hero-card-t{font-size:15px;font-weight:700;color:var(--ad-primary-d);padding-bottom:12px;
                border-bottom:2px solid var(--ad-accent);display:inline-block;margin-bottom:14px}
.ad-hero-list li{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed #e2ebeb;align-items:baseline}
.ad-hero-list li:last-child{border-bottom:0}
.ad-hero-list b{flex:0 0 96px;color:var(--ad-primary);font-size:14px}
.ad-hero-list span{color:var(--ad-muted);font-size:13.5px}

/* ---------- 5. 按钮 ---------- */
.ad-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;
        font-size:14.5px;border:1.5px solid transparent;cursor:pointer;transition:.2s}
.ad-btn-primary{background:var(--ad-accent);color:#fff;border-color:var(--ad-accent)}
.ad-btn-primary:hover{background:#b1711f;border-color:#b1711f;color:#fff}
.ad-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.ad-btn-ghost:hover{background:#fff;color:var(--ad-primary);border-color:#fff}
.ad-btn-line{background:#fff;color:var(--ad-primary);border-color:var(--ad-line)}
.ad-btn-line:hover{border-color:var(--ad-primary);color:var(--ad-primary-d)}
.ad-btn-sm{padding:8px 18px;font-size:13.5px}

/* ---------- 6. 四宫格卖点条 ---------- */
.ad-strip{background:#fff;border-bottom:1px solid var(--ad-line)}
.ad-strip-grid{display:flex;flex-wrap:wrap;gap:0}
.ad-strip-i{flex:1 1 25%;min-width:200px;padding:22px 18px;text-align:center;border-right:1px solid var(--ad-line)}
.ad-strip-i:last-child{border-right:0}
.ad-strip-i b{display:block;color:var(--ad-primary);font-size:16px;margin-bottom:4px}
.ad-strip-i span{color:var(--ad-muted);font-size:13px}

/* ---------- 7. 区块 / 面板 ---------- */
.ad-block{margin:42px 0}

/* centred block header (homepage blocks mirror the paired site's rhythm) */
.ad-block-hc{text-align:center;margin-bottom:24px}
.ad-block-hc h2{font-size:25px;font-weight:800;color:var(--ad-ink);letter-spacing:2px;position:relative;padding-bottom:12px}
.ad-block-hc h2 a{color:inherit}
.ad-block-hc h2 a:hover{color:var(--ad-primary)}
.ad-block-hc h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:44px;height:3px;border-radius:2px;background:var(--ad-accent)}
.ad-block-sub{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ad-muted);margin-top:8px}

/* about us : 5/7 two column */
.ad-aboutgrid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:center}
.ad-aboutpic img{width:100%;display:block;border-radius:8px}
.ad-abouttxt{color:#31474a}
.ad-about-h{font-size:23px;line-height:1.38;font-weight:800;color:var(--ad-ink);margin-bottom:12px}
.ad-abouttxt p{font-size:14.5px;line-height:1.95;margin-bottom:14px}
.ad-block-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
            border-bottom:1px solid var(--ad-line);padding-bottom:12px;margin-bottom:22px}
.ad-block-h h2{font-size:23px;font-weight:800;color:var(--ad-ink);position:relative;padding-left:14px}
.ad-block-h h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--ad-accent)}
.ad-block-h h2 a{color:inherit}
.ad-block-x{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ad-muted)}
.ad-block-more{font-size:13.5px;color:var(--ad-primary);white-space:nowrap}

.ad-panel{background:var(--ad-card);border:1px solid var(--ad-line);border-radius:var(--ad-radius);overflow:hidden}
.ad-panel-h{padding:13px 16px;background:#eef4f4;border-bottom:1px solid var(--ad-line);
            font-weight:700;font-size:15px;color:var(--ad-primary-d)}
.ad-panel-b{padding:16px}

/* ---------- 8. 产品 / 内容卡片 ---------- */
.ad-card{background:var(--ad-card);border:1px solid var(--ad-line);border-radius:var(--ad-radius);
         overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.ad-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(14,90,99,.13);border-color:#cfe0e0}
.ad-card-img{display:block;aspect-ratio:1/1;background:#f2f6f6;overflow:hidden}
.ad-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.ad-card:hover .ad-card-img img{transform:scale(1.05)}
.ad-card-b{padding:13px 14px 16px;flex:1 1 auto;display:flex;flex-direction:column;gap:6px}
.ad-card-t{font-size:14px;line-height:1.55;font-weight:600;text-align:center;
           display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.ad-card-t a{color:var(--ad-ink)}
.ad-card-t a:hover{color:var(--ad-primary)}
.ad-card-x{font-size:12.5px;color:var(--ad-muted);margin-top:auto}

/* 产品 3 列（内页）与 4 列（首页，与参考站节奏一致） */
.ad-prod3 .ad-grid > *{flex:0 0 calc(33.333% - var(--ad-gap)/1.5);max-width:33.333%}
.ad-prod4 .ad-grid > *{flex:0 0 calc(25% - var(--ad-gap)*.75);max-width:25%}

/* ---------- 9. 侧栏 ---------- */
.ad-side-nav li{border-bottom:1px solid #eef3f3}
.ad-side-nav li:last-child{border-bottom:0}
.ad-side-nav a{display:block;padding:11px 14px;font-size:14px;color:var(--ad-ink);border-left:3px solid transparent}
.ad-side-nav a:hover,.ad-side-nav a.ad-on{background:#f2f7f7;border-left-color:var(--ad-accent);color:var(--ad-primary)}
.ad-side-news li{padding:9px 0;border-bottom:1px dashed #e6eeee;font-size:13.5px;line-height:1.6}
.ad-side-news li:last-child{border-bottom:0}
.ad-side-news a{color:var(--ad-ink)}
.ad-side-news a:hover{color:var(--ad-primary)}
.ad-side-tags{display:flex;flex-wrap:wrap;gap:8px}
.ad-tag{display:inline-block;padding:5px 12px;border:1px solid var(--ad-line);border-radius:999px;
        font-size:12.5px;color:var(--ad-muted);background:#fff}
.ad-tag:hover{border-color:var(--ad-primary);color:var(--ad-primary)}
.ad-tagsbox{margin:30px 0;padding:18px;background:#fff;border:1px solid var(--ad-line);border-radius:var(--ad-radius);
            display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.ad-tagsbox-t{font-weight:700;color:var(--ad-primary-d);margin-right:6px;font-size:14px}

/* ---------- 10. 资讯列表 ---------- */
.ad-newslist li{display:flex;gap:16px;padding:15px 0;border-bottom:1px dashed #e6eeee;align-items:flex-start}
.ad-newslist li:last-child{border-bottom:0}
.ad-newsdate{flex:0 0 66px;text-align:center;background:#f2f7f7;border-radius:8px;padding:8px 4px;line-height:1.2}
.ad-newsdate b{display:block;font-size:19px;color:var(--ad-primary)}
.ad-newsdate i{font-style:normal;font-size:11.5px;color:var(--ad-muted)}
.ad-newsbody{flex:1 1 auto;min-width:0}
.ad-newsbody h3{font-size:15.5px;font-weight:600;margin-bottom:5px}
.ad-newsbody h3 a{color:var(--ad-ink)}
.ad-newsbody h3 a:hover{color:var(--ad-primary)}
.ad-newsbody p{font-size:13.5px;color:var(--ad-muted);line-height:1.7;
               display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 11. FAQ 手风琴 ---------- */
.ad-faq{background:#fff;border:1px solid var(--ad-line);border-radius:var(--ad-radius);overflow:hidden}
.ad-faq-item{border-bottom:1px solid #eef3f3}
.ad-faq-item:last-child{border-bottom:0}
.ad-faq-q{display:flex;align-items:flex-start;gap:12px;padding:15px 18px;cursor:pointer;font-weight:600;
          font-size:15px;color:var(--ad-ink);background:none;border:0;width:100%;text-align:left}
.ad-faq-q:hover{background:#f7fbfb}
.ad-faq-q::before{content:"Q";flex:0 0 24px;height:24px;border-radius:6px;background:var(--ad-primary);color:#fff;
                  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.ad-faq-a{display:none;padding:0 18px 18px 54px;font-size:14px;color:var(--ad-muted);line-height:1.85}
.ad-faq-item.ad-on .ad-faq-a{display:block}

/* ---------- 11b. FAQ 首页卡片（对齐中文站：最新 4 条 + 缩略图 + 标题） ----------
   DOM 用 article/h3 与产品区 .ad-card(div/p) 及中文站 .xj-card 拉开结构指纹 */
.ad-fgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ad-fcard{background:var(--ad-card);border:1px solid var(--ad-line);border-radius:var(--ad-radius);
          overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.ad-fcard:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(14,90,99,.12);border-color:#cfe0e0}
.ad-fcard-fi{display:block;aspect-ratio:4/3;background:#f2f6f6;overflow:hidden}
.ad-fcard-fi img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.ad-fcard:hover .ad-fcard-fi img{transform:scale(1.05)}
.ad-fcard-t{margin:0;padding:13px 15px 16px;font-size:14px;font-weight:600;line-height:1.5;color:var(--ad-ink)}
.ad-fcard-t a{color:inherit}
.ad-fcard:hover .ad-fcard-t a{color:var(--ad-primary)}

/* ---------- 12. 详情页 ---------- */
.ad-crumbs{font-size:13px;color:var(--ad-muted);padding:14px 0}
.ad-crumbs a{color:var(--ad-muted)}
.ad-crumbs a:hover{color:var(--ad-primary)}
.ad-detail-h1{font-size:26px;font-weight:800;color:var(--ad-ink);line-height:1.35;margin-bottom:14px}
.ad-prod-top{display:flex;flex-wrap:wrap;gap:26px;margin-bottom:26px}
.ad-prod-pic{flex:1 1 340px;min-width:0;border:1px solid var(--ad-line);border-radius:var(--ad-radius);
             background:#fff;padding:14px;text-align:center}
.ad-prod-pic img{max-width:100%;border-radius:6px}
.ad-prod-meta{flex:1 1 330px;min-width:0}
.ad-prod-meta h1{font-size:24px;font-weight:800;line-height:1.35;margin-bottom:14px;color:var(--ad-ink)}
.ad-prod-spec li{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed #e6eeee;font-size:14px}
.ad-prod-spec li:last-child{border-bottom:0}
.ad-prod-spec b{flex:0 0 132px;color:var(--ad-muted);font-weight:500}
.ad-prod-spec span{flex:1 1 auto;color:var(--ad-ink)}
.ad-prod-body{font-size:15px;line-height:1.9;color:#31474a;overflow-wrap:anywhere}
.ad-prod-body img{margin:8px 0;border-radius:6px}
.ad-prod-body h2,.ad-prod-body h3{margin:22px 0 10px;color:var(--ad-ink);line-height:1.4}
.ad-prod-body h2{font-size:20px}
.ad-prod-body h3{font-size:17px}
.ad-prod-body p{margin-bottom:12px}
.ad-prod-body ul,.ad-prod-body ol{margin:0 0 14px 20px;list-style:disc}
.ad-prod-body ol{list-style:decimal}
.ad-prod-body li{margin-bottom:6px}
.ad-prod-body table{margin:14px 0;font-size:14px}
.ad-prod-body th,.ad-prod-body td{border:1px solid var(--ad-line);padding:9px 11px;text-align:left}
.ad-prod-body th{background:#f2f7f7;color:var(--ad-primary-d)}
.ad-prod-body a{text-decoration:underline}
.ad-prod-nav{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;padding-top:16px;border-top:1px solid var(--ad-line);
             font-size:14px}
.ad-prod-nav span{flex:1 1 45%;min-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ad-muted)}
.ad-prod-nav a{color:var(--ad-primary)}

/* ---------- 13. 搜索 / 留言 ---------- */
.ad-result li{padding:14px 0;border-bottom:1px dashed #e6eeee}
.ad-result li:last-child{border-bottom:0}
.ad-result-t{font-size:15.5px;font-weight:600;margin-bottom:5px}
.ad-result-t a{color:var(--ad-ink)}
.ad-result-d{font-size:13.5px;color:var(--ad-muted);line-height:1.75}
.ad-field{margin-bottom:16px}
.ad-label{display:block;font-size:13.5px;font-weight:600;color:var(--ad-ink);margin-bottom:6px}
.ad-input,.ad-textarea{width:100%;border:1px solid var(--ad-line);border-radius:8px;padding:11px 13px;
                       background:#fbfdfd;outline:none;transition:.18s}
.ad-input:focus,.ad-textarea:focus{border-color:var(--ad-primary);background:#fff}
.ad-textarea{min-height:130px;resize:vertical}
.ad-submit{border:0;background:var(--ad-primary);color:#fff;border-radius:999px;padding:12px 34px;
           font-weight:600;cursor:pointer}
.ad-submit:hover{background:var(--ad-primary-d)}

/* ---------- 14. 分页 ---------- */
.ad-pager{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;margin:30px 0 8px}
.ad-pager a,.ad-pager span{padding:8px 14px;border:1px solid var(--ad-line);border-radius:8px;
                           font-size:13.5px;background:#fff;color:var(--ad-ink)}
.ad-pager a:hover{border-color:var(--ad-primary);color:var(--ad-primary)}
.ad-pager .ad-on{background:var(--ad-primary);border-color:var(--ad-primary);color:#fff}
.ad-empty{text-align:center;padding:48px 0;color:var(--ad-muted)}

/* ---------- 15. 页脚（单列居中 + 社交行，区别于 xjv1 的三栏） ---------- */
.ad-footer{background:#0b2f33;color:#b9d2d3;margin-top:52px;padding:44px 0 0;text-align:center}
.ad-foot-h{font-size:19px;font-weight:800;color:#fff;margin-bottom:10px}
.ad-foot-info{font-size:14px;line-height:2;color:#a9c6c7}
.ad-foot-info a{color:#d8e9e9}
.ad-foot-info a:hover{color:var(--ad-accent)}
.ad-footnav{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;margin:20px 0 6px}
.ad-footnav a{color:#cfe3e3;font-size:14px}
.ad-footnav a:hover{color:var(--ad-accent)}
.ad-footsocial{display:flex;gap:12px;justify-content:center;margin:18px 0 4px}
.ad-footsocial .ad-tag{background:transparent;border-color:rgba(255,255,255,.24);color:#cfe3e3}
.ad-footsocial .ad-tag:hover{border-color:var(--ad-accent);color:var(--ad-accent)}
.ad-copy{margin-top:24px;border-top:1px solid rgba(255,255,255,.12);padding:16px 0 22px;font-size:13px;color:#8fb0b1}
.ad-copy a{color:#cfe3e3}
.ad-copy a:hover{color:var(--ad-accent)}

/* ---------- 16. 回顶 / 弹窗 ---------- */
.ad-gotop{position:fixed;right:18px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--ad-primary);
          color:#fff;display:none;align-items:center;justify-content:center;font-size:20px;z-index:40;
          box-shadow:0 8px 20px rgba(14,90,99,.34)}
.ad-gotop:hover{background:var(--ad-accent);color:#fff}
.ad-gotop.ad-show{display:flex}
.ad-modal{position:fixed;inset:0;background:rgba(10,28,30,.55);z-index:70;display:none;
          align-items:center;justify-content:center;padding:20px}
.ad-modal.ad-is-open{display:flex}
.ad-modal-box{background:#fff;border-radius:14px;max-width:380px;width:100%;overflow:hidden}
.ad-modal-h{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--ad-line)}
.ad-modal-h h5{margin:0;font-size:16px;font-weight:700;color:var(--ad-ink)}
.ad-modal-x{border:0;background:transparent;font-size:24px;line-height:1;cursor:pointer;color:var(--ad-muted)}
.ad-modal-b{padding:20px;text-align:center}
.ad-modal-b img{border-radius:10px}
.ad-modal-b p{margin-top:12px;font-size:13.5px;color:var(--ad-muted)}

/* ---------- 17. 响应式 ---------- */
@media (max-width:1024px){
  .ad-g-9,.ad-g-8,.ad-g-7{flex:0 0 100%;max-width:100%}
  .ad-g-5{flex:0 0 calc(50% - var(--ad-gap)/2);max-width:50%}
  .ad-side{flex:1 1 100%}
  .ad-hero-copy h1{font-size:32px}
}
@media (max-width:820px){
  .ad-mainbar{display:none}
  .ad-topbar-in{justify-content:center;text-align:center}
  .ad-topnote{display:none}
  .ad-hotline{flex:0 0 auto}
  .ad-hotline-l{display:none}
  .ad-hotline strong{font-size:15px}
  .ad-burger{display:block}
  .ad-brandrow{min-height:64px;gap:14px}
  .ad-logo img{height:36px}
  .ad-logo-t{display:none}
  .ad-search{max-width:none}
  .ad-hero-in{padding-top:44px;padding-bottom:44px}
  .ad-hero-copy h1{font-size:26px}
  .ad-hero-sub{font-size:14.5px}
  .ad-hero-card{flex:1 1 100%}
  .ad-strip-i{flex:1 1 50%;min-width:150px}
  .ad-prod3 .ad-grid > *{flex:0 0 calc(50% - var(--ad-gap)/2);max-width:50%}
  .ad-prod4 .ad-grid > *{flex:0 0 calc(50% - var(--ad-gap)/2);max-width:50%}
  .ad-block-hc h2{font-size:22px}
  .ad-fgrid{grid-template-columns:repeat(2,1fr);gap:14px}
  .ad-aboutgrid{grid-template-columns:1fr;gap:18px}
  .ad-about-h{font-size:20px}
  .ad-block-h{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:560px){
  .ad-g-6,.ad-g-4,.ad-g-3,.ad-g-5{flex:0 0 100%;max-width:100%}
  .ad-prod3 .ad-grid > *{flex:0 0 100%;max-width:100%}
  .ad-prod4 .ad-grid > *{flex:0 0 100%;max-width:100%}
  .ad-sliderzone{min-height:180px}
  .ad-strip-i{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--ad-line)}
  .ad-newslist li{flex-direction:column;gap:8px}
  .ad-hero-copy h1{font-size:22px}
  .ad-hero-actions .ad-btn{flex:1 1 100%;justify-content:center}
  .ad-prod-nav span{flex:1 1 100%;white-space:normal}
  .ad-fgrid{gap:10px}
  .ad-fcard-t{font-size:13px;padding:11px 12px 13px}
}

/* ---- adv1 banner (non-heading title) + h1 as panel header ---- */
.ad-banner-t{font-size:30px;line-height:1.25;font-weight:800;margin-bottom:8px;color:#fff}
.ad-banner-s{font-size:16px;line-height:1.85;color:#cfe3e3;max-width:620px}
h1.ad-panel-h{margin:0;font-size:15px;line-height:1.5}

/* ---- adv1 home carousel : figure/figcaption based, deliberately unlike any xj- slider ---- */
/* ---- adv1 home slider : plain image carousel in normal flow (no overlay copy) ---- */
.ad-sliderzone{position:relative;overflow:hidden;background:#0b2f33;min-height:240px}
.ad-stage{position:relative}
.ad-stage-fig{position:absolute;inset:0;margin:0;opacity:0;visibility:hidden;
  transition:opacity .6s ease,visibility .6s ease}
.ad-stage-fig[data-ad-current]{position:relative;opacity:1;visibility:visible}
.ad-stage-link{display:block}
.ad-stage-link img{display:block;width:100%;height:auto;background:#0b2f33}
.ad-stage-cap{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.ad-stage-step{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:66px;
  border:0;background:rgba(9,42,46,.34);color:#fff;font-size:30px;line-height:1;cursor:pointer;
  transition:background .18s}
.ad-stage-step:hover{background:rgba(9,42,46,.62)}
.ad-stage-prev{left:0;border-radius:0 8px 8px 0}
.ad-stage-next{right:0;border-radius:8px 0 0 8px}
.ad-stage-pips{position:absolute;z-index:3;left:0;right:0;bottom:16px;margin:0;padding:0;
  list-style:none;display:flex;gap:9px;justify-content:center}
.ad-stage-pips button{width:9px;height:9px;padding:0;border:0;border-radius:50%;
  background:rgba(255,255,255,.55);cursor:pointer;transition:background .18s,transform .18s}
.ad-stage-pips button[data-ad-current]{background:#fff;transform:scale(1.3)}

/* ---- adv1 inner page banner band (1920x150 equivalent) ---- */
.ad-hero-page{min-height:0}
@media(min-width:768px){.ad-hero-page{height:150px}.ad-hero-page .ad-hero-in{padding-top:30px;padding-bottom:30px}}

/* ---- adv1 mobile bottom bar : three cells, inline SVG, no font library ---- */
.ad-mfoot{display:none}
@media(max-width:767px){
  html,body{overflow-x:hidden;max-width:100%}
  body{padding-bottom:58px}
  .ad-mfoot{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#0b2f33;
    box-shadow:0 -1px 10px rgba(0,0,0,.22)}
  .ad-mfoot-i{flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    padding:7px 4px;border:0;background:transparent;color:#fff;font:inherit;font-size:12px;
    text-decoration:none;cursor:pointer;min-height:52px}
  .ad-mfoot-i>svg{width:21px;height:21px;fill:#fff}
  .ad-mfoot-i:active{background:rgba(255,255,255,.09)}
  .ad-stage-cap{display:none}
  .ad-stage-step{width:34px;height:52px;font-size:24px}
  .ad-hero-sub{display:none}
  .ad-hero-page{height:96px}
  .ad-hero-page .ad-banner-s{display:none}
  .ad-hero-page .ad-banner-t{font-size:21px}
  .ad-hero-page .ad-hero-in{padding-top:24px;padding-bottom:24px}
  .ad-brandrow{flex-wrap:wrap}
  .ad-hotline{white-space:normal}
}