/* ================= 内页通用 ================= */
body{background:#fff;overflow-x:hidden}
.case-grid .show-card img{object-fit:contain;background:#fff}
.show-card .cap{min-height:51px}
@media(max-width:575px){.show-card .cap{min-height:44px}}
.page-hero{position:relative;background:var(--ink);color:#fff;padding:72px 0 60px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line-light) 1px,transparent 1px),linear-gradient(90deg,var(--line-light) 1px,transparent 1px);
  background-size:72px 72px;mask-image:radial-gradient(ellipse 80% 90% at 80% 10%,black 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 90% at 80% 10%,black 20%,transparent 75%)}
.page-hero .glow{position:absolute;top:-200px;right:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(76,192,247,.4),transparent 70%)}
.page-hero .container{position:relative;z-index:2}
.page-hero .kick{font-family:var(--mono);font-size:12.5px;color:var(--orange-soft);letter-spacing:.24em;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.page-hero .kick::before{content:"";width:28px;height:1px;background:var(--orange)}
.page-hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(28px,3.6vw,46px);line-height:1.25;margin:0;letter-spacing:.01em}
.page-hero .lead{color:#a9bce4;font-size:14.5px;line-height:2;max-width:760px;margin:16px 0 0}
.crumb{font-family:var(--mono);font-size:12.5px;color:#a9bce4;letter-spacing:.06em;margin-top:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:#cfe1ff;transition:color .25s}
.crumb a:hover{color:var(--orange)}
.crumb span.sep{color:#5f78ad}

.inner-section{padding:78px 0}
.inner-section.tight{padding:56px 0}
.inner-section.gray{background:var(--paper)}
@media(max-width:767px){.inner-section{padding:52px 0}.page-hero{padding:48px 0 42px}}

/* 筛选栏 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:42px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.filter-btn{font-family:var(--mono);font-size:12.5px;padding:9px 16px;border:1px solid var(--line);color:var(--text);background:#fff;letter-spacing:.05em;transition:.25s var(--ease-out);cursor:pointer}
.filter-btn:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.filter-btn.active{background:var(--ink);border-color:var(--ink);color:#fff}
.filter-count{font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-left:auto;align-self:center}

/* 分页 */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:52px;flex-wrap:wrap}
.pager button{font-family:var(--mono);font-size:13px;min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);background:#fff;color:var(--text);transition:.25s;cursor:pointer}
.pager button:hover:not(:disabled){border-color:var(--orange);color:var(--orange)}
.pager button.active{background:var(--ink);border-color:var(--ink);color:#fff}
.pager button:disabled{opacity:.4;cursor:not-allowed}

/* 产品/案例网格 */
.product-grid{grid-template-columns:repeat(4,1fr)}
.product-grid .show-card img{height:200px}
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:991px){.product-grid{grid-template-columns:repeat(3,1fr)}.case-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:767px){.product-grid,.case-grid{grid-template-columns:1fr 1fr;gap:12px}.product-grid .show-card img,.case-grid .show-card img{height:150px}}
.page-empty{grid-column:1/-1;text-align:center;padding:70px 0;color:var(--muted);font-family:var(--mono);letter-spacing:.08em}

/* 详情页 */
.detail-top{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.detail-figure{border:1px solid var(--line);padding:14px;background:#fff;position:relative}
.detail-figure::after{content:"";position:absolute;right:-10px;bottom:-10px;width:64px;height:64px;background:repeating-linear-gradient(-45deg,var(--orange),var(--orange) 5px,transparent 5px,transparent 10px);z-index:-1;opacity:.8}
.detail-figure img{width:100%;height:auto;display:block}
/* 详情页图集：主图 + 缩略图 */
.detail-gallery{display:flex;flex-direction:column;gap:14px}
.detail-gallery .detail-figure{margin:0}
.detail-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.detail-thumb{padding:4px;border:2px solid var(--line);background:#fff;cursor:pointer;aspect-ratio:4/3;overflow:hidden;transition:border-color .25s var(--ease-out),transform .25s var(--ease-out)}
.detail-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.detail-thumb:hover{border-color:var(--orange);transform:translateY(-2px)}
.detail-thumb.active{border-color:var(--orange);box-shadow:0 4px 14px -6px rgba(255,122,26,.45)}
@media(max-width:767px){.detail-thumbs{grid-template-columns:repeat(4,1fr);gap:8px}}
.detail-body .cat-tag{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;color:var(--orange);border:1px solid rgba(255,122,26,.45);padding:5px 12px;margin-bottom:18px}
.detail-body h1{font-family:var(--serif);font-weight:900;font-size:clamp(24px,2.6vw,36px);color:var(--ink);line-height:1.35;margin-bottom:20px}
.detail-intro{color:var(--muted);font-size:15px;line-height:2;margin-bottom:28px}
.detail-intro p{margin-bottom:12px}
.detail-meta{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);margin-bottom:30px}
.detail-meta div{padding:14px 18px;border-bottom:1px solid var(--line);font-size:13.5px}
.detail-meta div:nth-child(odd){border-right:1px solid var(--line)}
.detail-meta div:nth-last-child(-n+2){border-bottom:none}
.detail-meta b{color:var(--ink)}
.detail-meta div.view-row{grid-column:1/-1;border-right:none;border-bottom:none;border-top:1px solid var(--line)}
.detail-meta div.view-row .stat{font-family:var(--mono);color:var(--orange);letter-spacing:.04em}
.detail-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.detail-actions .btn-main,.detail-actions .btn-dark{padding:14px 30px;font-size:15px}
.btn-line{border:1px solid var(--ink);color:var(--ink);padding:14px 28px;font-weight:700;font-size:15px;transition:.3s var(--ease-out);background:#fff}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-3px)}
@media(max-width:767px){.detail-top{grid-template-columns:1fr;gap:32px}.detail-meta div{font-size:12.5px;padding:11px 12px}}

/* 富文本 */
.article-content{color:#3a4459;font-size:15px;line-height:2.05;word-break:break-word}
.article-content p{margin-bottom:14px}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article-content table td,.article-content table th{border:1px solid var(--line);padding:10px 14px;vertical-align:top}
.article-content table tr:nth-child(even){background:rgba(19,148,232,.04)}
.article-content img{max-width:100%;height:auto;margin:16px 0;border:1px solid var(--line)}
.article-content strong{color:var(--ink)}
.article-content h3,.article-content h2{font-family:var(--serif);color:var(--ink);margin:26px 0 14px}
.article-content ul,.article-content ol{padding-left:22px;margin-bottom:14px}
.article-content li{margin-bottom:6px}
.article-block{border-top:1px solid var(--line);margin-top:56px;padding-top:40px}
.article-block .block-title{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:900;font-size:22px;color:var(--ink);margin-bottom:26px}
.article-block .block-title::before{content:"";width:4px;height:22px;background:var(--orange)}
.article-meta{display:flex;flex-wrap:wrap;gap:22px;font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-bottom:26px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-meta .tag{color:var(--orange)}
.article-meta .view-count b{color:var(--ink);font-weight:600}

/* 资讯列表 */
.news-rows{border-top:1px solid var(--line)}
.news-row{display:flex;align-items:center;gap:26px;padding:26px 6px;border-bottom:1px solid var(--line);transition:.3s var(--ease-out)}
.news-row:hover{padding-left:16px;border-bottom-color:rgba(255,122,26,.5)}
.news-row .date{font-family:var(--mono);font-size:13px;color:var(--muted);flex:none;width:110px;letter-spacing:.05em}
.news-row h3{flex:1;margin:0;font-size:16.5px;font-weight:700;color:var(--text);line-height:1.6;transition:color .3s}
.news-row:hover h3{color:var(--navy)}
.news-row .arrow{color:var(--orange);opacity:0;transform:translateX(-8px);transition:.3s var(--ease-out);flex:none}
.news-row:hover .arrow{opacity:1;transform:none}
@media(max-width:575px){.news-row{gap:14px;padding:18px 2px}.news-row .date{width:88px;font-size:11.5px}.news-row h3{font-size:14.5px}}

/* 侧栏布局 */
.with-aside{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start}
.aside-card{border:1px solid var(--line);background:#fff}
.aside-card h4{background:var(--ink);color:#fff;font-size:15px;font-weight:700;margin:0;padding:15px 20px;letter-spacing:.04em}
.aside-card a{display:block;padding:13px 20px;border-bottom:1px solid var(--line);color:var(--text);font-size:14px;transition:.25s}
.aside-card a:last-child{border-bottom:none}
.aside-card a:hover{color:var(--orange);padding-left:26px}
.aside-card a.active{color:var(--navy);background:rgba(19,148,232,.06);border-left:3px solid var(--orange)}
.aside-box{margin-top:24px;border:1px solid var(--line);padding:24px 20px;background:var(--paper)}
.aside-box .num{display:block;font-family:var(--mono);font-size:19px;color:var(--ink);letter-spacing:.03em;margin-bottom:6px}
.aside-box .num:hover{color:var(--orange)}
.aside-box p{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 4px}
@media(max-width:991px){.with-aside{grid-template-columns:1fr;gap:36px}}

/* 上下篇 */
.pager-nav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:36px}
.pager-nav a{background:#fff;padding:18px 22px;font-size:14px;color:var(--text);transition:.25s}
.pager-nav a:hover{color:var(--navy);background:var(--paper)}
.pager-nav a span{display:block;font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.1em;margin-bottom:5px}
.pager-nav a.next{text-align:right}
@media(max-width:575px){.pager-nav{grid-template-columns:1fr}}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.related-grid .show-card img{width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;background:#fff}
@media(max-width:991px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.related-grid{gap:12px}}

/* 关于页 */
.about-hero-photo{position:relative;border:1px solid var(--line);padding:14px;background:#fff}
.about-hero-photo img{width:100%;height:420px;object-fit:cover;display:block}
.about-hero-photo .cap{position:absolute;left:30px;bottom:30px;background:var(--ink);color:#fff;padding:10px 18px;font-family:var(--mono);font-size:12px;letter-spacing:.14em}
.about-hero-photo .cap b{color:var(--orange)}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);margin:44px 0}
.about-stats div{padding:26px 20px;border-left:1px solid var(--line);text-align:center}
.about-stats div:first-child{border-left:none}
.about-stats .n{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--navy);line-height:1}
.about-stats .n i{font-style:normal;font-size:.55em;color:var(--orange)}
.about-stats .t{font-size:13px;color:var(--muted);margin-top:8px}
@media(max-width:767px){.about-stats{grid-template-columns:1fr 1fr}.about-stats div:nth-child(3){border-left:none;border-top:1px solid var(--line)}.about-stats div:nth-child(4){border-top:1px solid var(--line)}.about-hero-photo img{height:280px}}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.contact-card{border:1px solid var(--line);padding:30px 30px 26px;background:#fff;position:relative;transition:.3s var(--ease-out)}
.contact-card:hover{border-color:rgba(255,122,26,.5);box-shadow:0 18px 44px rgba(6,28,69,.1);transform:translateY(-4px)}
.contact-card .ico{width:44px;height:44px;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:19px;margin-bottom:18px}
.contact-card h5{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:10px}
.contact-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}
.contact-card .big{font-family:var(--mono);font-size:20px;color:var(--ink);letter-spacing:.03em}
.contact-card a.big:hover{color:var(--orange)}
.bank-box{border:1px solid var(--line);background:var(--paper);padding:28px 30px;margin-top:22px}
.bank-box h5{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px}
.bank-box .row-line{display:flex;gap:16px;font-size:14px;color:var(--muted);padding:7px 0;flex-wrap:wrap}
.bank-box .row-line b{color:var(--ink);min-width:96px;font-weight:700}
@media(max-width:767px){.contact-grid{grid-template-columns:1fr}}

/* 留言表单 */
.msg-wrap{width:100%;max-width:760px;margin:0 auto;border:1px solid var(--line);background:#fff;padding:44px 48px 40px}
.form-row{margin-bottom:22px}
.form-row label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:9px}
.form-row label i{color:var(--orange);font-style:normal}
.form-row input,.form-row textarea{width:100%;max-width:100%;box-sizing:border-box;border:1px solid var(--line);background:#fff;padding:13px 16px;font-size:14px;color:var(--text);transition:.25s;font-family:inherit}
.form-row textarea{min-height:150px;resize:vertical}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(19,148,232,.1)}
.form-tip{font-size:12.5px;color:var(--muted);line-height:1.9;margin-top:18px}
.form-alert{display:none;border:1px solid rgba(255,122,26,.5);background:rgba(255,122,26,.07);color:var(--orange);padding:14px 18px;font-size:14px;margin-bottom:22px}
.form-alert.show{display:block}
@media(max-width:575px){.msg-wrap{padding:28px 20px}}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud span{font-family:var(--mono);font-size:12.5px;border:1px solid var(--line);padding:8px 14px;color:var(--text);background:#fff;letter-spacing:.04em;transition:.25s}
.tag-cloud span:hover{border-color:var(--orange);color:var(--orange)}

/* 详情页信息带 */
.detail-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:18px 0;margin-top:56px}
.detail-strip .row>div{padding:10px 16px;border-left:1px solid var(--line);font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.05em}
.detail-strip .row>div:first-child{border-left:none}
.detail-strip b{color:var(--ink);font-weight:600}

/* ================= 产品视频页 ================= */
.page-hero .lead-en{font-family:var(--mono);font-size:11.5px;color:#7e93c4;letter-spacing:.04em;line-height:1.9;max-width:760px;margin:10px 0 0}
.video-intro{display:flex;align-items:center;justify-content:space-between;gap:32px;border:1px solid var(--line);background:var(--paper);padding:26px 32px;margin-bottom:38px;flex-wrap:wrap}
.video-intro .vi-kick{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11.5px;color:var(--orange);letter-spacing:.18em;margin-bottom:10px}
.video-intro .vi-kick::before{content:"";width:20px;height:1px;background:var(--orange)}
.video-intro p{margin:0;font-size:13.5px;color:var(--text);line-height:1.85}
.video-intro p.en{margin-top:5px;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.03em;line-height:1.75}
.video-intro .vi-stat{flex:none;text-align:center;border-left:1px solid var(--line);padding-left:32px}
.video-intro .vi-stat .n{display:block;font-family:var(--mono);font-size:38px;font-weight:700;color:var(--ink);line-height:1}
.video-intro .vi-stat .n i{font-style:normal;color:var(--orange);font-size:.55em}
.video-intro .vi-stat .t{display:block;font-size:11.5px;color:var(--muted);line-height:1.7;margin-top:7px;letter-spacing:.02em}
@media(max-width:575px){.video-intro{padding:20px 18px;gap:20px}.video-intro .vi-stat{border-left:0;padding-left:0;text-align:left;display:flex;align-items:baseline;gap:10px}.video-intro .vi-stat .n{font-size:28px}}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{display:flex;flex-direction:column;padding:0;background:#fff;border:1px solid var(--line);text-align:left;font:inherit;color:inherit;cursor:pointer;transition:.35s var(--ease-out);overflow:hidden}
.video-card:hover{transform:translateY(-6px);border-color:rgba(255,122,26,.55);box-shadow:0 22px 52px rgba(6,28,69,.14)}
.vc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.vc-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s var(--ease-out)}
.video-card:hover .vc-media img{transform:scale(1.05)}
.vc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,29,51,.05),rgba(4,29,51,.42))}
.vc-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.94);color:var(--ink);font-size:22px;transition:.3s var(--ease-out)}
.video-card:hover .vc-play{background:var(--orange);color:#fff;transform:translate(-50%,-50%) scale(1.08)}
.vc-dur{position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(4,29,51,.82);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:3px 8px}
.vc-body{display:flex;flex-direction:column;gap:4px;padding:20px 22px 24px;flex:1}
.vc-no{font-family:var(--mono);font-size:10.5px;color:var(--orange);letter-spacing:.16em}
.vc-body h3{margin:3px 0 0;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.55}
.vc-en{margin:0;font-family:var(--mono);font-size:10.5px;color:var(--navy);letter-spacing:.03em;line-height:1.6}
.vc-desc{margin:9px 0 0;font-size:12.5px;color:var(--muted);line-height:1.85}
.vc-desc-en{margin:3px 0 0;font-size:11px;color:#9aa5ba;line-height:1.7;font-style:italic}
@media(max-width:991px){.video-grid{grid-template-columns:1fr 1fr;gap:18px}}
@media(max-width:575px){.video-grid{grid-template-columns:1fr;gap:16px}.vc-body{padding:16px 18px 20px}}

/* 视频播放弹窗 */
.video-modal .modal-content{border:0;border-radius:0;background:var(--ink);color:#fff}
.video-modal .modal-header{border-bottom:1px solid rgba(255,255,255,.12);padding:16px 24px;align-items:flex-start}
.video-modal .modal-header .vh{min-width:0}
.video-modal .modal-title{margin:0;font-family:var(--serif);font-weight:900;font-size:18px;color:#fff;line-height:1.5}
.video-modal .vm-en{margin:4px 0 0;font-family:var(--mono);font-size:10.5px;color:#8fa5d6;letter-spacing:.04em;line-height:1.6}
.video-modal .btn-close{filter:invert(1) grayscale(1);opacity:.75;margin-top:6px}
.video-modal .btn-close:hover{opacity:1}
.video-modal .modal-body{padding:0;background:#000}
.video-modal-stage{position:relative;aspect-ratio:16/9;background:#000}
.video-modal-stage video,.video-modal-stage iframe{width:100%;height:100%;display:block;border:0;background:#000}
.video-modal .modal-footer{display:block;border-top:1px solid rgba(255,255,255,.12);padding:14px 24px;text-align:left}
.video-modal .vm-desc{margin:0;font-size:12.5px;color:#c9d8f7;line-height:1.8}
.video-modal .vm-desc-en{margin:4px 0 0;font-size:11px;color:#7e93c4;line-height:1.7;font-style:italic}
@media(max-width:575px){.video-modal .modal-title{font-size:15px}.video-modal .modal-header{padding:13px 16px}.video-modal .modal-footer{padding:12px 16px}}