/* ============ 方案 A v2.1 · 杂志编辑风（精修版） ============ */
:root{
  --paper:#FBF8F2; --ink:#1D2129; --mut:#767B85;
  --brand:#1A3A5C; --brand-d:#101F31; --line:#E3DCCB; --soft:#F2EDE0;
  --serif:Georgia,"Times New Roman","Songti SC","STSong","Noto Serif SC",serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:88px} /* 锚点跳转补偿固定顶栏，避免标题被遮（2026-08-14） */
body{font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);font-size:14px;font-weight:300;line-height:2;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
::selection{background:var(--brand);color:#FFF}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}

/* 动效 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.22,.61,.36,1),transform .9s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* 顶栏：首页透明 → 滚动后纸面 */
.topnav{position:fixed;top:0;left:0;right:0;z-index:90;display:flex;align-items:center;justify-content:space-between;padding:20px 44px;transition:.4s;color:#FFF;text-shadow:0 1px 12px rgba(10,20,32,.45)}
.topnav .mark{font-family:var(--serif);font-size:19px;letter-spacing:6px}
.topnav .mark span{font-family:inherit;font-size:10px;letter-spacing:4px;opacity:.6;margin-left:12px}
.topnav nav{display:flex;gap:38px;font-size:12.5px;letter-spacing:3px}
.topnav nav a{opacity:.85;padding:4px 0;border-bottom:1px solid transparent;transition:.25s}
.topnav nav a:hover,.topnav nav a.active{opacity:1;border-bottom-color:currentColor}
body.scrolled .topnav,body.inner .topnav{background:rgba(251,248,242,.94);backdrop-filter:blur(10px);color:var(--ink);border-bottom:1px solid var(--line);padding:14px 44px;text-shadow:none}

/* Hero：全屏 + Ken Burns */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--brand-d)}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92;animation:kenburns 14s cubic-bezier(.22,.61,.36,1) forwards}
@keyframes kenburns{from{transform:scale(1.12)}to{transform:scale(1.02)}}
/* 首页 hero 轮播：双图层渐变切换（仅 index.html 使用 .hero.rot，其余页面不受影响） */
.hero.rot>img{opacity:0;transition:opacity 1.5s ease;animation:none}
.hero.rot>img.on{opacity:.92;animation:kenburns 14s cubic-bezier(.22,.61,.36,1) forwards}
.hero::before{content:"";position:absolute;inset:0 0 auto;height:180px;background:linear-gradient(rgba(13,22,34,.42),transparent);z-index:1}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(13,22,34,.92),rgba(13,22,34,.14) 55%,rgba(13,22,34,.28))}
.hero .hwrap{position:relative;z-index:2;width:100%;padding-bottom:110px;color:#FFF}
.hero .kick{font-size:11px;letter-spacing:8px;opacity:.65;text-shadow:0 1px 14px rgba(13,22,34,.6)}
.hero h1{font-family:var(--serif);font-weight:400;font-size:64px;line-height:1.3;letter-spacing:4px;margin-top:26px;text-shadow:0 2px 26px rgba(13,22,34,.55)}
.hero .en{margin-top:20px;font-size:12px;letter-spacing:5px;opacity:.6}
.hero .lede{margin-top:32px;max-width:560px;font-size:14px;line-height:2.2;opacity:.85;text-shadow:0 1px 16px rgba(13,22,34,.65)}
.hero .ops{margin-top:46px;display:flex;gap:26px;align-items:center}
.btn{display:inline-block;padding:14px 40px;font-size:12px;letter-spacing:4px;border:1px solid rgba(255,255,255,.55);color:#FFF;transition:.3s;backdrop-filter:blur(2px)}
.btn:hover{background:#FFF;color:var(--ink)}
.btn.txt{border:none;padding:14px 0;letter-spacing:4px;opacity:.8}
.btn.txt:hover{opacity:1;background:none;color:#FFF}
.scroll-hint{position:absolute;right:44px;bottom:36px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px;color:rgba(255,255,255,.5)}
.scroll-hint span{writing-mode:vertical-lr;font-size:10px;letter-spacing:5px}
.scroll-hint i{width:1px;height:52px;background:rgba(255,255,255,.5);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}

/* 数据条 */
.stats{background:#FFF;border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stats .cell{padding:44px 36px;border-left:1px solid var(--line)}
.stats .cell:first-child{border-left:none}
.stats .n{font-family:var(--serif);font-size:42px;color:var(--brand);letter-spacing:2px;font-variant-numeric:tabular-nums}
.stats .t{font-size:12.5px;margin-top:8px;letter-spacing:1px}
.stats .e{font-size:10px;letter-spacing:4px;color:#B0A998;margin-top:3px}

/* 分区头 */
.sec{padding:110px 0}
.sec-head{display:flex;align-items:baseline;gap:20px;margin-bottom:64px}
.sec-head .no{font-size:13px;letter-spacing:3px;color:var(--brand)}
.sec-head .line{width:44px;height:1px;background:#C9C0A8}
.sec-head h2{font-family:var(--serif);font-weight:400;font-size:32px;letter-spacing:5px}
.sec-head .en{font-size:10.5px;letter-spacing:5px;color:#B0A998}
.sec-head .more{margin-left:auto;font-size:12px;letter-spacing:3px;color:var(--brand);transition:.25s}
.sec-head .more:hover{letter-spacing:4px}
.dark .sec-head h2{color:#FFF}
.dark .sec-head .no,.dark .sec-head .en{color:rgba(255,255,255,.4)}
.dark .sec-head .line{background:rgba(255,255,255,.25)}

/* 关于 */
.about{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:start}
.about .txt p{font-size:14.5px;line-height:2.3;color:#3D434E}
.about .txt p+p{margin-top:26px}
/* 杂志首字下沉 */
.about .txt p:first-of-type::first-letter{font-family:var(--serif);font-size:56px;line-height:1;float:left;padding:6px 12px 0 0;color:var(--brand)}
.about .motto{margin-top:44px;display:flex;align-items:center;gap:16px}
.about .motto i{width:56px;height:1px;background:var(--brand)}
.about .motto span{font-size:12px;letter-spacing:4px;color:var(--brand)}
.about figure{position:relative;overflow:hidden;aspect-ratio:16/10}
.about figure img.slide-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.4s ease,transform 6s ease;transform:scale(1.01)}
.about figure img.slide-img.on{opacity:1;transform:scale(1.06)}
.about figure:hover img.slide-img.on{transform:scale(1.06)}
.about figcaption{position:absolute;left:0;bottom:0;z-index:2;background:rgba(251,248,242,.92);backdrop-filter:blur(4px);padding:10px 18px;font-size:11px;letter-spacing:2px;color:#4A5462;transition:opacity .5s ease;max-width:100%;box-sizing:border-box}

/* 业务（黑区编号行） */
.dark{background:#101418;color:#FFF}
.biz .row{display:grid;grid-template-columns:2fr 4fr 6fr;gap:30px;padding:44px 8px;border-top:1px solid rgba(255,255,255,.1);transition:.3s}
.biz .row:last-child{border-bottom:1px solid rgba(255,255,255,.1)}
.biz .row:hover{background:rgba(255,255,255,.03);padding-left:16px}
.biz .no{font-size:13px;letter-spacing:3px;color:rgba(255,255,255,.35);padding-top:6px;transition:.3s}
.biz .row:hover .no{color:#8FB4D9}
.biz h3{font-family:var(--serif);font-weight:400;font-size:24px;letter-spacing:3px}
.biz .en2{font-size:10px;letter-spacing:5px;color:rgba(255,255,255,.35);margin-top:8px}
.biz p{font-size:13px;line-height:2;color:rgba(255,255,255,.6)}

/* 优势 */
.stren{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.stren .cell{background:#FFF;padding:34px 28px;transition:.3s}
.stren .cell:hover{background:var(--soft)}
.stren .imb{overflow:hidden;margin-bottom:26px}
.stren img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .7s}
.stren .cell:hover img{transform:scale(1.05)}
.stren .en3{font-size:10px;letter-spacing:5px;color:#B0A998}
.stren h3{font-family:var(--serif);font-weight:400;font-size:19px;letter-spacing:2px;margin-top:8px}
.stren ul{list-style:none;margin-top:18px}
.stren li{display:flex;gap:10px;font-size:12.5px;color:#5B616C;line-height:1.9;margin-top:8px}
.stren li::before{content:"";width:12px;height:1px;background:var(--brand);margin-top:11px;flex-shrink:0;opacity:.6}

/* 精选案例（7/5 节奏） */
.feat{background:#F4F0E4}
.feat .grid{display:grid;grid-template-columns:repeat(12,1fr);gap:26px}
.feat .big{grid-column:span 7}
.feat .sml{grid-column:span 5}
.fcard{position:relative;display:block;overflow:hidden}
.fcard img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .8s}
.fcard::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(13,22,34,.78),transparent 55%);transition:.4s}
.fcard:hover::after{background:linear-gradient(to top,rgba(13,22,34,.88),transparent 62%)}
.fcard:hover img{transform:scale(1.05)}
.fcard .cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 28px;color:#FFF;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.fcard:hover .cap{transform:translateY(-8px)}
.fcard .cap .no{font-family:var(--serif);font-style:italic;font-size:12px;opacity:.55;letter-spacing:2px}
.fcard .cap .cc{font-family:"DengXian","等线","Microsoft YaHei","微软雅黑",sans-serif;font-size:10px;letter-spacing:4px;opacity:.65;margin-top:2px}
.fcard .cap h3{font-family:"DengXian","等线","Microsoft YaHei","微软雅黑",sans-serif;font-weight:400;font-size:20px;letter-spacing:2px;margin-top:8px}
.fcard .cap .go{display:inline-block;font-size:10.5px;letter-spacing:3px;margin-top:10px;opacity:0;transform:translateY(6px);transition:.35s}
.fcard:hover .cap .go{opacity:.9;transform:none}

/* 案例卡片（列表/相关） */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.case-card{display:block}
.case-thumb{overflow:hidden;position:relative}
.case-thumb img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .7s}
.case-card:hover .case-thumb img{transform:scale(1.05)}
.case-meta{padding:16px 2px 0}
.case-cat{font-size:10.5px;letter-spacing:3px;color:var(--brand)}
.case-title{font-family:Arial,YouYuan,"幼圆","Microsoft YaHei","微软雅黑",sans-serif;font-weight:400;font-size:16.5px;letter-spacing:1px;margin-top:7px;line-height:1.7;transition:.25s}
.case-card:hover .case-title{color:var(--brand)}

/* 合作伙伴 */
.partners{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.partners .p{background:var(--paper);min-height:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:16px 20px 12px;font-size:12.5px;letter-spacing:2px;line-height:1.9;color:#7A7F89;transition:.3s}
.partners .p img{max-width:150px;max-height:52px;width:auto;height:auto;object-fit:contain}
.partners .p span{font-size:11px;letter-spacing:1px;color:#8A8F99;line-height:1.5;transition:.3s}
.partners .p:not(:empty):hover{background:var(--brand-d);color:#FFF}
.partners .p:not(:empty):hover span{color:rgba(255,255,255,.85)}
.partners .pg{grid-column:1/-1;background:var(--soft);padding:12px 20px;font-size:12px;letter-spacing:4px;color:var(--brand);display:flex;align-items:baseline;gap:12px}
.partners .pg small{font-size:10px;letter-spacing:2px;color:#B0A998}

/* 动态 */
.news2{display:grid;grid-template-columns:1fr;gap:60px}
.nrow{display:flex;gap:24px;padding:22px 0;border-bottom:1px solid var(--line);transition:.25s}
.nrow:hover{padding-left:8px}
.nrow .d{font-family:var(--serif);color:var(--brand);white-space:nowrap;font-size:14px}
.nrow h4{font-weight:400;font-size:15px;letter-spacing:1px}
.nrow:hover h4{color:var(--brand)}
.nrow p{font-size:12px;color:var(--mut);margin-top:5px}
.vtag{display:inline-block;font-size:10.5px;letter-spacing:4px;color:var(--brand);margin-bottom:20px}
.vcard{position:relative;display:block;overflow:hidden}
.vcard img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .7s}
.vcard:hover img{transform:scale(1.04)}
.vcard .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.vcard .play i{width:56px;height:56px;border-radius:50%;background:rgba(16,31,49,.85);display:flex;align-items:center;justify-content:center;transition:.35s}
.vcard:hover .play i{transform:scale(1.12);background:var(--brand)}
.vcard .play i::after{content:"";border-left:15px solid #FFF;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.vcard .vt{position:absolute;left:0;bottom:0;right:0;padding:16px 20px;color:#FFF;font-size:13px;letter-spacing:1px;background:linear-gradient(transparent,rgba(16,31,49,.8))}

/* 联系（黑区） */
.contact .grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.contact h3{font-family:var(--serif);font-weight:400;font-size:36px;line-height:1.6;letter-spacing:3px}
.contact .sub{margin-top:26px;max-width:420px;font-size:13px;line-height:2.1;color:rgba(255,255,255,.55)}
.citem+.citem{margin-top:30px}
.citem .lab{font-size:10px;letter-spacing:5px;color:rgba(255,255,255,.4);margin-bottom:8px}
.citem .val{font-size:14.5px;line-height:2;color:rgba(255,255,255,.88);letter-spacing:1px}

/* 在线留言（联系黑区内，提交至 /api/messages → console 客户留言） */
.cform{margin-top:64px;border-top:1px solid rgba(255,255,255,.14);padding-top:44px}
.cform .cft{font-family:var(--serif);font-size:20px;letter-spacing:4px;color:#FFF;display:flex;align-items:baseline;gap:14px;margin-bottom:26px}
.cform .cft small{font-size:10px;letter-spacing:4px;color:rgba(255,255,255,.35)}
.cform .cfrow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-bottom:20px}
.cform input,.cform textarea{width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.22);color:#FFF;font-size:13.5px;letter-spacing:1.5px;padding:13px 16px;outline:none;transition:.3s;font-family:inherit;box-sizing:border-box}
.cform input::placeholder,.cform textarea::placeholder{color:rgba(255,255,255,.35)}
.cform input:focus,.cform textarea:focus{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.08)}
.cform textarea{resize:vertical;min-height:110px;line-height:1.9}
.cform .cffoot{display:flex;align-items:center;gap:20px;margin-top:22px}
.cform button{background:#FFF;color:var(--brand-d);border:none;font-size:12.5px;letter-spacing:4px;padding:13px 40px;cursor:pointer;transition:.3s;font-family:inherit}
.cform button:hover{background:var(--brand);color:#FFF}
.cform button:disabled{opacity:.5;cursor:not-allowed}
.cform .cfmsg{font-size:12px;letter-spacing:1px;color:rgba(255,255,255,.55)}
.cform .cfmsg.ok{color:#8FD6A0}
.cform .cfmsg.err{color:#F0A0A0}
@media(max-width:900px){.cform .cfrow{grid-template-columns:1fr}}

/* 内页 */
.page-hero{position:relative;padding:128px 0 48px;background:var(--brand-d);color:#FFF;overflow:hidden}
.page-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 30%;opacity:.45;filter:saturate(1.02)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,31,49,.55),rgba(16,31,49,.12));pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-family:var(--serif);font-weight:400;font-size:40px;line-height:1.4;letter-spacing:6px;text-shadow:0 2px 20px rgba(13,22,34,.5)}
.page-hero .en{margin-top:10px;font-size:10.5px;letter-spacing:6px;opacity:.55}
.cases-layout{display:grid;grid-template-columns:230px 1fr;gap:56px;padding:70px 0 110px}
.side h4{font-family:var(--serif);font-weight:400;font-size:18px;letter-spacing:3px;border-bottom:2px solid var(--brand);display:inline-block;padding-bottom:10px;margin-bottom:20px}
#case-filters{display:flex;flex-direction:column}
#case-filters .filter-btn{display:flex;justify-content:space-between;align-items:center;padding:13px 6px 13px 12px;font-size:13px;color:#3D434E;border-bottom:1px solid #EDE8D9;letter-spacing:1px;transition:.25s;border-left:2px solid transparent}
#case-filters .filter-btn:hover{color:var(--brand);padding-left:16px}
#case-filters .filter-btn.active{color:var(--brand);font-weight:500;background:linear-gradient(90deg,var(--soft),transparent);border-left-color:var(--brand)}
#case-filters .filter-n{font-size:10.5px;color:#B0A998}
#case-count{font-size:11.5px;letter-spacing:2px;color:#B0A998;margin-bottom:24px}
#case-pager{margin-top:56px;text-align:center}
#case-pager .page-btn,#case-pager .page-cur{display:inline-block;min-width:42px;padding:10px 0;margin:0 5px;font-size:13px;border:1px solid var(--line);letter-spacing:1px;transition:.25s}
#case-pager .page-cur{background:var(--brand);border-color:var(--brand);color:#FFF}
#case-pager .page-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* 详情 */
.detail{padding:60px 0 30px}
.crumb{font-size:11.5px;letter-spacing:2px;color:#B0A998;margin-top:50px;margin-bottom:30px}
.crumb i{margin:0 10px;font-style:normal}
.crumb a:hover{color:var(--brand)}
.detail-title{font-family:Arial,YouYuan,"幼圆","Microsoft YaHei","微软雅黑",sans-serif;font-weight:400;font-size:28px;letter-spacing:2px;line-height:1.5;max-width:900px}
.detail-cat{color:var(--brand);font-size:11px;letter-spacing:4px;margin:16px 0 40px}
.detail-hero{overflow:hidden}
.detail-hero img{width:100%;max-height:72vh;object-fit:cover}
.detail-desc{max-width:760px;margin:48px auto 0;font-size:14.5px;line-height:2.35;color:#3D434E}
.detail-desc::first-letter{font-family:var(--serif);font-size:50px;line-height:1;float:left;padding:5px 12px 0 0;color:var(--brand)}
.detail-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.detail-info{max-width:680px;margin:64px auto 0}
.detail-info h2{font-family:var(--serif);font-weight:400;font-size:20px;letter-spacing:4px;margin-bottom:22px;padding-bottom:14px;border-bottom:2px solid var(--brand);display:inline-block}
.detail-info dl{display:grid;grid-template-columns:130px 1fr}
.detail-info dt{padding:14px 0;border-bottom:1px solid var(--line);color:#B0A998;font-size:12px;letter-spacing:2px}
.detail-info dd{padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.muted{color:var(--mut)}

/* 动态页 */
.news-page{max-width:880px;margin:0 auto;padding:70px 0 110px}
.src-tag{display:inline-block;font-size:10.5px;letter-spacing:3px;border:1px solid var(--brand);color:var(--brand);padding:5px 14px;margin-bottom:30px}
.arow{display:grid;grid-template-columns:110px 1fr;gap:30px;padding:30px 0;border-bottom:1px solid var(--line);transition:.25s}
.arow:hover{padding-left:8px}
.arow .d{font-family:"DengXian","等线","Microsoft YaHei","微软雅黑",sans-serif;font-size:17px;color:var(--brand)}
.arow .d small{display:block;font-size:10px;color:#B0A998;letter-spacing:3px;margin-top:3px}
.arow h3{font-family:"DengXian","等线","Microsoft YaHei","微软雅黑",sans-serif;font-weight:400;font-size:19px;letter-spacing:1px;transition:.25s}
.arow h3:hover{color:var(--brand)}
.arow p{font-size:12.5px;color:var(--mut);margin-top:9px;line-height:1.9}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}

/* 页脚 */
footer.site{background:var(--brand-d);color:rgba(255,255,255,.6)}
footer.site .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:50px;padding:70px 0 50px}
footer.site h5{color:#FFF;font-size:13px;letter-spacing:4px;margin-bottom:18px;font-weight:400}
footer.site p,footer.site a{font-size:12.5px;line-height:2.3;letter-spacing:1px}
footer.site a:hover{color:#FFF}
footer.site .fbrand{font-family:var(--serif);font-size:24px;color:#FFF;letter-spacing:8px;margin-bottom:14px}
footer.site .fen{font-size:10px;letter-spacing:4px;color:rgba(255,255,255,.35);margin-top:6px}
.copyright{background:#0B1622;text-align:center;font-size:10.5px;color:rgba(255,255,255,.35);padding:16px 0;letter-spacing:2px}

/* ============ 顶栏公众号入口 ============ */
.media-links{display:flex;gap:22px;margin-left:26px;padding-left:26px;border-left:1px solid currentColor;align-items:center}
.media-links a{display:flex;align-items:center;gap:7px;font-size:12px;letter-spacing:2px;opacity:.85;padding:4px 0;border-bottom:1px solid transparent;transition:.25s}
.media-links a:hover{opacity:1;border-bottom-color:currentColor}
.media-links i{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.ic-wx{background:#3EB575;box-shadow:0 0 8px rgba(62,181,117,.7)}
body.scrolled .topnav .media-links,body.inner .topnav .media-links{border-left-color:var(--line)}

/* ============ 汉堡按钮（平板/手机） ============ */
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:95;color:inherit}
.burger span{display:block;width:24px;height:1.5px;background:currentColor;margin:6px 0;transition:.3s}
body.nav-open .burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ============ 公众号卡片 / 同步说明 ============ */
.wxcard{display:flex;gap:28px;align-items:center;background:#FFF;border:1px solid var(--line);padding:28px 32px}
.wxcard img{width:108px;height:108px;flex-shrink:0}
.wxcard h4{font-family:var(--serif);font-weight:400;font-size:18px;letter-spacing:2px;margin-bottom:10px}
.wxcard p{font-size:12.5px;line-height:2;color:var(--mut)}
.sync-note{margin-top:44px;padding:22px 26px;background:var(--soft);border-left:3px solid var(--brand);font-size:12px;line-height:2.1;color:#5B616C}
.sync-note code{background:#FFF;border:1px solid var(--line);padding:1px 7px;font-size:11px;color:var(--brand)}

/* 动态页文章行（链接化） */
a.arow{display:grid;color:inherit}
a.arow:hover h3{color:var(--brand)}
.aart{display:flex;gap:22px;align-items:flex-start}
.aart img{width:150px;aspect-ratio:16/10;object-fit:cover;flex-shrink:0}
.agroup{display:inline-block;font-size:9.5px;letter-spacing:3px;color:#B0A998;border:1px solid var(--line);padding:2px 9px;margin-bottom:8px}

/* 视频网格（动态页） */
.mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.mv{position:relative;display:block;overflow:hidden}
.mv img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .7s}
.mv:hover img{transform:scale(1.04)}
.mv .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.mv .play::after{content:"";width:52px;height:52px;border-radius:50%;background:rgba(16,31,49,.85);transition:.35s}
.mv .play::before{content:"";position:absolute;z-index:2;border-left:14px solid #FFF;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px;transition:.35s}
.mv:hover .play::after{transform:scale(1.12);background:var(--brand)}
.mv .tx{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;color:#FFF;background:linear-gradient(transparent,rgba(16,31,49,.85))}
.mv .tx i{font-size:9.5px;letter-spacing:3px;opacity:.65;font-style:normal}
.mv .tx h4{font-weight:400;font-size:13px;letter-spacing:1px;margin-top:4px;line-height:1.6}

/* ============ FAQ（黑区手风琴） ============ */
.faqsec{background:#101418}
.faq .fq{border-top:1px solid rgba(255,255,255,.1);padding:26px 8px}
.faq .fq:last-child{border-bottom:1px solid rgba(255,255,255,.1)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-family:var(--serif);font-weight:400;font-size:18px;letter-spacing:2px;color:#FFF;transition:.25s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:rgba(255,255,255,.35);transition:.3s;flex-shrink:0;margin-left:20px}
.faq .fq[open] summary::after{transform:rotate(45deg);color:#8FB4D9}
.faq summary:hover{color:#8FB4D9}
.faq .fq p{margin-top:18px;font-size:13px;line-height:2.1;color:rgba(255,255,255,.6);max-width:860px}

/* ============ 联系区二维码 ============ */
.qrbox{display:flex;gap:18px;align-items:center;margin-top:44px}
.qrbox img{width:96px;height:96px;background:#FFF;padding:6px}
.qrbox span{font-size:11.5px;letter-spacing:3px;line-height:2;color:rgba(255,255,255,.55)}

/* ============ 响应式：平板（≤1024px） ============ */
@media (max-width:1024px){
  .wrap{padding:0 28px}
  .topnav{padding:16px 28px}
  body.scrolled .topnav,body.inner .topnav{padding:12px 28px}
  .topnav nav{gap:24px;font-size:12px;letter-spacing:2px}
  .media-links{gap:16px;margin-left:18px;padding-left:18px}
  .hero h1{font-size:48px}
  .sec{padding:84px 0}
  .stren{grid-template-columns:1fr 1fr}
  .partners{grid-template-columns:repeat(3,1fr)}
  .mgrid{grid-template-columns:1fr 1fr}
  .case-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cases-layout{grid-template-columns:200px 1fr;gap:36px}
  .detail-gallery{grid-template-columns:1fr 1fr}
}

/* ============ 响应式：手机（≤768px） ============ */
@media (max-width:768px){
  body{font-size:13.5px}
  .wrap{padding:0 20px}
  .topnav{padding:14px 20px;color:#FFF}
  body.scrolled .topnav,body.inner .topnav{padding:10px 20px;color:var(--ink)}
  body.nav-open .topnav{background:rgba(16,20,24,.97);color:#FFF;text-shadow:none;border-bottom:none}
  .topnav .mark{font-size:16px;letter-spacing:4px}
  .topnav .mark span{font-size:9px;letter-spacing:3px;margin-left:8px}
  .burger{display:block}
  .topnav nav{position:fixed;inset:0;top:0;background:rgba(16,20,24,.97);backdrop-filter:blur(14px);flex-direction:column;align-items:center;justify-content:center;gap:30px;font-size:16px;letter-spacing:5px;color:#FFF;opacity:0;pointer-events:none;transition:opacity .35s;z-index:90}
  body.nav-open .topnav nav{opacity:1;pointer-events:auto}
  .media-links{flex-direction:column;gap:22px;margin-left:0;padding-left:0;border-left:none;border-top:1px solid rgba(255,255,255,.18);padding-top:28px;margin-top:6px}
  .media-links a{font-size:14px;letter-spacing:4px}
  .hero{min-height:92vh}
  .hero h1{font-size:34px;letter-spacing:2px;margin-top:18px}
  .hero .kick{letter-spacing:5px;font-size:10px}
  .hero .lede{font-size:13px;margin-top:24px}
  .hero .ops{margin-top:34px;gap:18px}
  .hero .hwrap{padding-bottom:80px}
  .scroll-hint{display:none}
  .btn{padding:12px 28px;font-size:11px;letter-spacing:3px}
  .sec{padding:64px 0}
  .sec-head{margin-bottom:40px;gap:14px}
  .sec-head h2{font-size:24px;letter-spacing:3px}
  .sec-head .en{display:none}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stats .cell{padding:28px 20px}
  .stats .cell:nth-child(3){border-left:none}
  .stats .n{font-size:30px}
  .about,.contact .grid,.news2{grid-template-columns:1fr;gap:40px}
  .about .txt p:first-of-type::first-letter{font-size:44px}
  .biz .row{grid-template-columns:1fr;gap:10px;padding:26px 4px}
  .biz h3{font-size:20px}
  .stren,.partners{grid-template-columns:1fr 1fr}
  .feat .big,.feat .sml{grid-column:span 12}
  .fcard .cap h3{font-size:17px}
  .case-grid{grid-template-columns:1fr;gap:30px}
  .cases-layout{grid-template-columns:1fr;gap:30px;padding:44px 0 70px}
  #case-filters{flex-direction:row;flex-wrap:wrap;gap:8px}
  #case-filters .filter-btn{border:1px solid var(--line);padding:9px 14px;font-size:12px}
  #case-filters .filter-btn.active{background:var(--brand);color:#FFF;border-left-color:var(--brand)}
  .page-hero{padding:104px 0 40px}
  .page-hero h1{font-size:28px;letter-spacing:4px}
  .detail-title{font-size:26px;letter-spacing:2px}
  .detail-desc::first-letter{font-size:40px}
  .detail-gallery{grid-template-columns:1fr}
  .detail-info dl{grid-template-columns:96px 1fr}
  .arow{grid-template-columns:1fr;gap:12px;padding:22px 0}
  .aart{flex-direction:column}
  .aart img{width:100%;aspect-ratio:16/9}
  .video-grid,.mgrid{grid-template-columns:1fr}
  .wxcard{flex-direction:column;text-align:center;padding:26px 22px;gap:18px}
  .contact h3{font-size:26px}
  .qrbox{justify-content:flex-start}
  footer.site .wrap{grid-template-columns:1fr;gap:36px;padding:50px 0 36px}
}

/* ============ 小屏手机（≤400px） ============ */
@media (max-width:400px){
  .hero h1{font-size:29px}
  .stats .n{font-size:26px}
  .stren,.partners{grid-template-columns:1fr}
}

/* ============ 公众号同步文章页（article-*.html） ============ */
.article-page{max-width:860px;margin:0 auto;padding:90px 0 90px}
.article-page .crumb{margin-top:0}
.art{font-size:15px;line-height:2.1;color:#2A2F37}
.art p{margin:0 0 1.2em}
.art img{max-width:100%;height:auto;margin:18px auto}
.art h1,.art h2,.art h3,.art h4,.art h5{font-family:var(--serif);font-weight:400;line-height:1.6;margin:1.6em 0 .8em;letter-spacing:1px}
.art h2{font-size:22px}
.art h3{font-size:19px}
.art h4{font-size:16.5px}
.art blockquote{margin:1.4em 0;padding:14px 20px;border-left:3px solid var(--brand);background:var(--soft);color:#5B616C;font-size:13.5px}
.art ul,.art ol{margin:0 0 1.2em 1.6em}
.art li{margin:.3em 0}
.art a{color:var(--brand);text-decoration:underline}
.art strong{font-weight:500}
.art-src{margin-top:56px;font-size:12px;color:var(--mut);letter-spacing:.15em;text-align:center}
.art-src a{color:var(--brand)}
.art-nav{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;letter-spacing:2px}
.art-nav a{color:var(--brand)}
.wxsync-empty{font-size:12.5px;color:var(--mut);padding:6px 0 26px;border-bottom:1px solid var(--line);line-height:2}
.wxsync-empty a{color:var(--brand);text-decoration:underline}

/* 视频卡片样式（已于 2026-08-14 停用：视频号已从网站移除） */
.mv video{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;background:#101418}
.mv.hasv .tx{position:static;background:none;color:var(--ink);padding:10px 2px 0}
.mv.hasv .tx i{color:#B0A998}
.mv.hasv .tx h4{color:var(--ink)}

/* ============ 内容管理页（admin.html） ============ */
.admin-page{max-width:860px;margin:0 auto;padding:150px 0 90px}
.acard{background:#FFF;border:1px solid var(--line);padding:30px 34px;margin-bottom:26px}
.acard h2{font-family:var(--serif);font-weight:400;font-size:19px;letter-spacing:3px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--brand);display:inline-block}
.acard .hint{font-size:12px;color:var(--mut);line-height:2;margin-bottom:8px}
.acard .hint code{background:var(--paper);border:1px solid var(--line);padding:1px 7px;font-size:11px;color:var(--brand)}
.afield{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}
.afield input[type=text],.afield input[type=password],.afield input[type=url]{flex:1;min-width:220px;border:1px solid var(--line);background:var(--paper);padding:11px 14px;font-size:13.5px;letter-spacing:1px;outline:none;font-family:inherit}
.afield input:focus{border-color:var(--brand)}
.afield input[type=file]{font-size:12.5px;color:var(--mut);align-self:center}
.abtn{display:inline-block;background:var(--brand);color:#FFF;border:none;padding:11px 30px;font-size:12px;letter-spacing:3px;cursor:pointer;transition:.25s;font-family:inherit}
.abtn:hover{background:var(--brand-d)}
.abtn:disabled{opacity:.5;cursor:default}
.abtn.ghost{background:none;border:1px solid var(--line);color:var(--mut);padding:6px 16px;font-size:11px;letter-spacing:2px}
.abtn.ghost:hover{border-color:#B3362B;color:#B3362B}
.amsg{margin-top:12px;font-size:12.5px;line-height:1.9;word-break:break-all}
.amsg.ok{color:#2E7D4F}
.amsg.err{color:#B3362B}
.astat{font-size:12px;color:var(--mut);letter-spacing:1px;margin-bottom:10px}
.astat b{color:var(--brand);font-weight:500}
.alist{margin-top:6px}
.alist .aitem{display:flex;align-items:center;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px;flex-wrap:wrap}
.alist .aitem .adate{font-family:var(--serif);color:var(--brand);white-space:nowrap}
.alist .aitem .atitle{flex:1;min-width:200px;line-height:1.7}
.alist .aitem a.atitle:hover{color:var(--brand)}
.alist .aempty{font-size:12.5px;color:var(--mut);padding:16px 0}
@media (max-width:768px){
  .article-page{padding:77px 0 60px}
  .admin-page{padding:120px 0 60px}
  .acard{padding:22px 20px}
}

/* 批量同步输入与进度日志 */
.acard textarea{flex:1;min-width:100%;border:1px solid var(--line);background:var(--paper);padding:12px 14px;font-size:12.5px;line-height:1.8;outline:none;font-family:inherit;resize:vertical}
.acard textarea:focus{border-color:var(--brand)}
.alog{max-height:200px;overflow:auto;background:var(--paper);border:1px solid var(--line);padding:12px 16px;font-size:12px;line-height:2;margin-top:12px;white-space:pre-wrap;word-break:break-all;color:#3D434E}
/* 2026-08-14 案例业态分组标题、涉密占位与业态筛选 chips（合入权威源，勿删） */
.case-group-h{grid-column:1/-1;margin:26px 0 -14px;font-family:"DengXian","等线","Microsoft YaHei","微软雅黑",sans-serif;font-size:15px;letter-spacing:3px;color:var(--brand);display:flex;align-items:center;gap:12px}
.case-group-h:before{content:"";width:26px;height:1px;background:var(--brand)}
.case-thumb-na{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:16/11;background:#1B2532;color:rgba(255,255,255,.45);font-size:12px;letter-spacing:6px}
#case-subs{display:flex;flex-wrap:wrap;gap:10px;margin:-4px 0 34px}
.sub-chip{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border:1px solid #E3DCCD;font-family:"DengXian","等线","Microsoft YaHei","微软雅黑",sans-serif;font-size:12px;letter-spacing:2px;color:#3D434E;transition:.25s}
.sub-chip span{font-size:11px;color:#B6AD97}
.sub-chip:hover{border-color:var(--brand);color:var(--brand)}
.sub-chip.active{background:var(--brand);border-color:var(--brand);color:#FFF}
.sub-chip.active span{color:rgba(255,255,255,.65)}

/* ============ 窄屏加固（2026-08-14 SEO/GEO 整改：≤480px 字距收敛，防长英文行溢出） ============ */
@media (max-width:480px){
  .hero .kick{letter-spacing:3px}
  .hero .en{letter-spacing:3px}
  .page-hero h1{letter-spacing:3px}
  .topnav .mark{letter-spacing:3px}
}

/* ============ 手机/PAD 设备预检测适配（2026-08-24：is-mobile/is-pad/is-touch 类由 shared/app.js 注入 <html>） ============ */
/* 触屏设备无 hover：常显案例卡"查看案例"等悬停才见的提示 */
@media (hover:none){
  .fcard .cap .go{opacity:.9;transform:none}
}
/* PAD 专项微调（宽度断点之外、仅按设备类生效） */
.is-pad .hero h1{font-size:44px}
.is-pad .case-grid{gap:22px}

@media (max-width:768px){
  /* 移动浏览器地址栏/工具栏占位修正：svh 优先，vh 回退（旧浏览器忽略第二行） */
  .hero{min-height:92vh;min-height:92svh}
  /* 刘海屏安全区（viewport-fit=cover 生效时启用，否则 env()=0 无副作用） */
  .topnav{padding-left:max(20px, env(safe-area-inset-left));padding-right:max(20px, env(safe-area-inset-right))}
  .wrap{padding-left:max(20px, env(safe-area-inset-left));padding-right:max(20px, env(safe-area-inset-right))}
  /* 全屏菜单展开时锁定背景滚动 */
  body.nav-open{overflow:hidden}
  /* 输入框 ≥16px，防 iOS 聚焦时自动放大页面 */
  .acard input[type=text],.acard input[type=password],.acard input[type=url],.acard textarea{font-size:16px}
  /* 公众号文章页溢出防护（复杂版式/宽表格/代码块） */
  .art{overflow-wrap:break-word;word-break:break-word}
  .art table{display:block;max-width:100%;overflow-x:auto}
  .art pre,.art code{white-space:pre-wrap;word-break:break-all}
  .art section,.art div{max-width:100%!important}
  .art iframe{max-width:100%}
}

/* ============ 多语言导航下拉（2026-08-30：🌐 语言切换，全站导航末位） ============ */
.lang-dd{position:relative}
.lang-dd summary{list-style:none;cursor:pointer;font-size:13px;letter-spacing:1px;padding:6px 2px;color:inherit;user-select:none;white-space:nowrap}
.lang-dd summary::-webkit-details-marker{display:none}
.lang-dd summary:hover{color:#C8A45D}
.lang-dd .lang-list{position:absolute;top:calc(100% + 10px);right:0;min-width:132px;background:#fff;border:1px solid #E3E7EC;border-radius:10px;box-shadow:0 12px 32px rgba(13,22,34,.14);padding:6px;z-index:200;display:flex;flex-direction:column}
.lang-dd .lang-list a{padding:8px 12px;font-size:13px;color:#1A3A5C;border-radius:6px;line-height:1.4}
.lang-dd .lang-list a:hover{background:#F4F6F8;color:#C8A45D}
.lang-dd .lang-list a.cur{color:#C8A45D;font-weight:600}
/* 深色 hero 区顶部导航为浅色字时下拉触发器可读性 */
body:not(.scrolled) .topnav .lang-dd summary{color:inherit}
@media (max-width:768px){
  body.nav-open .lang-dd .lang-list{position:static;box-shadow:none;border:none;padding:2px 0 2px 14px;background:transparent}
  body.nav-open .lang-dd .lang-list a{color:#fff;padding:10px 12px}
  body.nav-open .lang-dd .lang-list a:hover{background:rgba(255,255,255,.08)}
}

/* ============ 阿拉伯语 RTL 覆盖（2026-08-30） ============ */
html[dir="rtl"] body{text-align:right}
html[dir="rtl"] .topnav .mark span{letter-spacing:2px}
html[dir="rtl"] .sec-head{flex-direction:row-reverse}
html[dir="rtl"] .sec-head .no{margin-left:18px;margin-right:0}
html[dir="rtl"] .biz .row{direction:rtl}
html[dir="rtl"] .stren .cell ul{padding-right:0;padding-left:0;list-style-position:inside}
html[dir="rtl"] .crumb{direction:rtl}
html[dir="rtl"] .detail-info dl{direction:rtl}
html[dir="rtl"] .detail-info dt{text-align:right}
html[dir="rtl"] .case-meta{text-align:right}
html[dir="rtl"] .fcard .cap{text-align:right}
html[dir="rtl"] .citem .val{text-align:right}
html[dir="rtl"] .cform input,html[dir="rtl"] .cform textarea{text-align:right}
html[dir="rtl"] .lang-dd .lang-list{right:auto;left:0}
html[dir="rtl"] .partners .p span,html[dir="rtl"] .pg{letter-spacing:0}
html[dir="rtl"] .faq-item h3,html[dir="rtl"] .faq-item p{text-align:right}
html[dir="rtl"] footer.site,html[dir="rtl"] .copyright{text-align:right}
html[dir="rtl"] .scroll-hint{left:auto;right:50%;transform:translateX(50%)}