/* Dreamind AI · 行业洞察 / 文章页共用样式 */
:root{--ink:#142038;--mut:#66738c;--line:#e6eaf1;--blue:#2f6bde;--soft:#f5f7fb;--navy:#070c18}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.art-top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.art-top .wrap{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.art-brand{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.art-brand span{font-weight:400;font-size:12px;color:#9fb4d8;margin-left:9px;border-left:1px solid rgba(255,255,255,.22);padding-left:9px}
.art-top nav{display:flex;gap:22px;font-size:13px;color:#c3d0e6}
.art-top nav a:hover{color:#fff}
.art-main{max-width:820px;padding-top:34px;padding-bottom:64px}
.crumb{font-size:12.5px;color:#96a2b6;margin-bottom:30px}
.crumb a:hover{color:var(--blue)}
.crumb span{color:var(--mut)}
.art-meta{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-size:12.5px;color:var(--mut);margin-bottom:18px}
.art-cat{display:inline-block;background:#eaf1ff;color:var(--blue);border-radius:20px;padding:3px 11px;font-size:11.5px;font-weight:600}
.art h1{font-size:clamp(28px,4.2vw,40px);line-height:1.35;letter-spacing:-.5px;margin:0 0 18px;font-weight:700}
.art-lead{font-size:17px;line-height:1.85;color:#4b5872;border-left:3px solid var(--blue);padding-left:16px;margin:0 0 30px}
.art-cover{width:100%;border-radius:12px;margin:0 0 30px}
.art-body{font-size:16px;line-height:2;color:#26334c}
.art-body p{margin:0 0 18px}
.art-body h2{font-size:24px;margin:38px 0 14px;line-height:1.5}
.art-body h3{font-size:19px;margin:32px 0 12px;line-height:1.55;font-weight:650}
.art-body h4{font-size:17px;margin:26px 0 10px}
.art-body strong{color:#0d1a33;font-weight:650}
.art-body ul,.art-body ol{padding-left:24px;margin:0 0 20px}
.art-body li{margin-bottom:8px}
.art-body blockquote{margin:26px 0;padding:16px 20px;background:var(--soft);border-left:3px solid var(--blue);border-radius:0 9px 9px 0;color:#3a4b6b;font-size:16px}
.art-body blockquote p{margin:0}
.art-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.art-body img{max-width:100%;border-radius:10px;margin:16px 0}
.art-body code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:14px}
.art-body pre{background:#0d1730;color:#cfe0ff;padding:16px 18px;border-radius:10px;overflow:auto;font:13px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;margin:22px 0}
.art-body pre code{background:none;padding:0;color:inherit;font-size:inherit}
.art-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.art-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.art-body th,.art-body td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.art-body th{background:var(--soft)}
.art-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.art-tags span{font-size:12px;color:var(--mut);background:var(--soft);border-radius:20px;padding:4px 11px}
.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:36px 0 0}
.art-nav a{border:1px solid var(--line);border-radius:11px;padding:15px 17px;transition:.18s;background:#fff}
.art-nav a:hover{border-color:var(--blue);background:#f7faff}
.art-nav a.nx{text-align:right}
.art-nav span{display:block;font-size:11.5px;color:var(--blue);margin-bottom:5px}
.art-nav b{font-size:14px;font-weight:600;line-height:1.55;display:block}
.rel{margin-top:56px;padding-top:34px;border-top:1px solid var(--line)}
.rel h2{font-size:20px;margin:0 0 20px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.rel-card{border:1px solid var(--line);border-radius:11px;padding:16px;display:flex;flex-direction:column;gap:8px;transition:.18s;background:#fff}
.rel-card:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 10px 26px rgba(20,40,90,.07)}
.rel-cat{font-size:11px;color:var(--blue);background:#eaf1ff;border-radius:20px;padding:2px 9px;align-self:flex-start}
.rel-card b{font-size:14px;line-height:1.6;font-weight:600}
.rel-date{font-size:11.5px;color:var(--mut);margin-top:auto}
.art-cta{margin-top:52px;background:linear-gradient(120deg,#0c1730,#18306a);border-radius:14px;padding:26px 28px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.art-cta b{display:block;font-size:18px;margin-bottom:5px}
.art-cta span{font-size:13.5px;color:#b9c9e8}
.art-cta a{background:#fff;color:#12306e;border-radius:9px;padding:11px 20px;font-size:14px;font-weight:600;white-space:nowrap}
.art-cta a:hover{background:#eaf1ff}
.art-foot{background:#070c18;color:#8c9ab4;padding:26px 0;font-size:12.5px}
.art-foot .wrap{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
.art-foot a:hover{color:#fff}
.art-foot span{margin-right:auto}
/* 列表页 */
.ins-hero{background:linear-gradient(135deg,#070c18 0%,#122651 62%,#0a3a72 100%);color:#fff;padding:70px 0 62px;position:relative;overflow:hidden}
.ins-hero::after{content:"";position:absolute;right:-120px;top:-140px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(64,132,255,.25),transparent 68%)}
.ins-hero .wrap{position:relative;z-index:1}
.ins-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;color:#9fc0ff;border:1px solid rgba(159,192,255,.3);border-radius:20px;padding:5px 13px;margin-bottom:20px}
.ins-hero h1{font-size:clamp(30px,5vw,46px);line-height:1.28;margin:0 0 16px;letter-spacing:-.6px}
.ins-hero p{font-size:16px;color:#b9c9e8;max-width:660px;margin:0;line-height:1.9}
.ins-main{padding:44px 0 80px}
.ins-filter{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.ins-filter button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 16px;font-size:13px;color:var(--mut);cursor:pointer;transition:.16s}
.ins-filter button:hover{border-color:var(--blue);color:var(--blue)}
.ins-filter button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.ins-search{margin-left:auto;border:1px solid var(--line);border-radius:9px;padding:8px 12px;font-size:13px;width:210px;outline:none}
.ins-search:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,107,222,.1)}
.ins-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ins-card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;display:flex;flex-direction:column;gap:11px;transition:.2s;min-height:230px}
.ins-card:hover{border-color:#bfd4fb;transform:translateY(-3px);box-shadow:0 14px 34px rgba(20,40,90,.09)}
.ins-card .top{display:flex;align-items:center;gap:10px;font-size:11.5px;color:var(--mut)}
.ins-card .cat{color:var(--blue);background:#eaf1ff;border-radius:20px;padding:3px 10px;font-weight:600}
.ins-card h2{font-size:18px;line-height:1.55;margin:2px 0 0;font-weight:650}
.ins-card h2 a:hover{color:var(--blue)}
.ins-card p{font-size:13.5px;color:var(--mut);line-height:1.8;margin:0;flex:1}
.ins-card .bot{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#98a4b8;border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.ins-card .bot b{color:var(--blue);font-weight:600}
.ins-empty{text-align:center;padding:70px 20px;color:var(--mut);border:1px dashed var(--line);border-radius:14px}
.ins-pager{display:flex;justify-content:center;gap:10px;align-items:center;margin-top:34px;font-size:13px;color:var(--mut)}
.ins-pager button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 15px;cursor:pointer;font-size:13px}
.ins-pager button:disabled{opacity:.45;cursor:not-allowed}
.ins-pager button:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}
.ins-bottom{margin-top:54px;background:var(--soft);border-radius:14px;padding:26px 28px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.ins-bottom b{font-size:18px;display:block;margin-bottom:4px}
.ins-bottom span{font-size:13.5px;color:var(--mut)}
.ins-bottom a{background:var(--blue);color:#fff;border-radius:9px;padding:11px 20px;font-size:14px;font-weight:600}
.offline-note{background:#fff8ea;border:1px solid #f3e2bb;color:#8a6118;border-radius:10px;padding:12px 15px;font-size:13px;margin-bottom:22px}
@media(max-width:900px){.ins-grid,.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.art-main{padding-top:24px}}
@media(max-width:640px){.wrap{padding:0 16px}.ins-grid,.rel-grid,.art-nav{grid-template-columns:1fr}.ins-hero{padding:52px 0 46px}.ins-search{width:100%;margin-left:0}.art-top nav{gap:12px;font-size:12px}.art-top nav a:first-child{display:none}.art-body{font-size:15px}.art-cta{padding:20px}.art-cta a{width:100%;text-align:center}}