/* Insights 模块静态样式 — 按效果图定稿（白色头部 / 深色四栏页脚 / 品牌蓝 v1.0） */
:root{--brand-50:#EFF4FF;--brand-100:#DBE6FE;--brand-200:#BFCEFD;--brand-500:#3B62E3;--brand-600:#2E51D6;--brand-700:#2443B8;--page:#F6F8FC;--surface:#FFFFFF;--line:#E4E9F2;--line-h:#CBD5E6;--ink:#0F1B33;--body:#4A5A75;--mute:#8B99B2;--ok:#16A34A;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace;--header:#0F1B33;--shadow:0 1px 2px rgba(15,27,51,.05)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--ink);font-family:Inter,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft JhengHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand-600);text-decoration:none}
.wrap{max-width:80rem;margin:0 auto;padding:0 1rem}
.row{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.ico{width:1rem;height:1rem;flex-shrink:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* 双语切换：默认英文，html.lang-zh 时切中文（容器级整块 + 行内级行内） */
p.l-zh,div.l-zh,h1.l-zh,h2.l-zh,h3.l-zh,h4.l-zh,section.l-zh,article.l-zh,figure.l-zh,nav.l-zh,aside.l-zh,form.l-zh,main.l-zh,li.l-zh,td.l-zh,th.l-zh{display:none}
html.lang-zh p.l-en,html.lang-zh div.l-en,html.lang-zh h1.l-en,html.lang-zh h2.l-en,html.lang-zh h3.l-en,html.lang-zh section.l-en,html.lang-zh article.l-en,html.lang-zh figure.l-en,html.lang-zh nav.l-en,html.lang-zh aside.l-en,html.lang-zh form.l-en,html.lang-zh main.l-en,html.lang-zh li.l-en,html.lang-zh td.l-en,html.lang-zh th.l-en{display:none}
html.lang-zh p.l-zh,html.lang-zh div.l-zh,html.lang-zh h1.l-zh,html.lang-zh h2.l-zh,html.lang-zh h3.l-zh,html.lang-zh section.l-zh,html.lang-zh article.l-zh,html.lang-zh figure.l-zh,html.lang-zh nav.l-zh,html.lang-zh aside.l-zh,html.lang-zh form.l-zh,html.lang-zh main.l-zh,html.lang-zh li.l-zh,html.lang-zh td.l-zh,html.lang-zh th.l-zh{display:block}
html.lang-zh p.f-ex.l-zh{display:-webkit-box}
html.lang-zh .a-meta.l-zh{display:flex}
span.l-zh,a.l-zh,button.l-zh{display:none}
html.lang-zh span.l-en,html.lang-zh a.l-en,html.lang-zh button.l-en{display:none}
html.lang-zh span.l-zh,html.lang-zh a.l-zh,html.lang-zh button.l-zh{display:inline}
/* ===== 顶部公告条（与首页一致） ===== */
.topbar{background:rgba(254,243,199,.95);color:#78350F;font-size:11px}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:.75rem;min-height:2.5rem;padding-top:.25rem;padding-bottom:.25rem}
.topbar-left{display:flex;min-width:0;align-items:center;gap:.5rem}
.beta-badge{display:inline-flex;align-items:center;gap:.375rem;background:rgba(217,119,6,.14);border-radius:999px;padding:.125rem .5rem;font-weight:600;white-space:nowrap}
.beta-badge .dot{width:6px;height:6px;border-radius:999px;background:#16A34A;animation:pl-pulse 1.6s ease-in-out infinite}
@keyframes pl-pulse{0%,100%{opacity:1}50%{opacity:.35}}
.topbar-txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.topbar-link{flex-shrink:0;color:#78350F;font-weight:600;text-decoration:underline;text-underline-offset:2px}
/* ===== 头部（与首页同款暗色样式，Insights 为浅色页故恒常实底） ===== */
.site-header{position:sticky;top:0;z-index:30;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.1)}
.site-header .wrap{max-width:80rem;padding:0 1rem}
.site-header .bar{min-height:4.625rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:block;line-height:1;font-weight:700;letter-spacing:-.02em;color:#fff;white-space:nowrap;font-size:1rem}
.brand .blue{color:#DBE6FE}
/* 头部多语言标签：默认英文，html.lang-xx 切换 */
.nl{display:none}
html.lang-en .nl[data-lang=en]{display:inline}
html.lang-zh .nl[data-lang=zh]{display:inline}
html.lang-vi .nl[data-lang=vi]{display:inline}
html.lang-ko .nl[data-lang=ko]{display:inline}
html.lang-ja .nl[data-lang=ja]{display:inline}
html.lang-ms .nl[data-lang=ms]{display:inline}
html.lang-id .nl[data-lang=id]{display:inline}
html.lang-th .nl[data-lang=th]{display:inline}
.nav{display:none;gap:1.25rem;font-size:.75rem;font-weight:500;flex-wrap:nowrap}
.nav a{color:rgba(255,255,255,.8);padding:.25rem 0;border-bottom:2px solid transparent;transition:.15s}
.nav a:hover{color:#fff}
.nav a.active{color:#fff;font-weight:600;border-bottom-color:#5B7EF0}
@media(min-width:1024px){.nav{display:flex}}
.hdr-actions{display:flex;align-items:center;gap:.5rem;margin-left:auto}
@media(min-width:1024px){.hdr-actions{margin-left:0}}
.lang-sel{appearance:none;-webkit-appearance:none;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;border-radius:10px;padding:.375rem .375rem;font-family:var(--mono);font-size:10px;cursor:pointer}
.lang-sel:hover{border-color:rgba(255,255,255,.5)}
.lang-sel option{color:#0F1B33;background:#fff}
.req-btn{display:none;background:var(--brand-600);color:#fff;border-radius:10px;padding:.5rem .875rem;font-size:.75rem;font-weight:600;transition:.15s;white-space:nowrap}
.req-btn:hover{background:var(--brand-700)}
@media(min-width:640px){.req-btn{display:inline-block}}
.burger{display:grid;place-items:center;height:2.5rem;width:2.5rem;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;border-radius:10px;cursor:pointer;font-size:.875rem}
@media(min-width:1024px){.burger{display:none}}
.m-menu{display:none;border-top:1px solid rgba(255,255,255,.1);background:rgba(15,27,51,.95);padding:0 1rem 1rem}
.m-menu.open{display:block}
.m-menu a{display:block;border-bottom:1px solid rgba(255,255,255,.05);padding:.75rem 0;font-size:.875rem;font-weight:500;color:rgba(255,255,255,.85)}
.m-menu a:last-of-type{border-bottom:none}
.m-menu a:hover{color:#fff}
.m-menu a.active{color:#fff;font-weight:600}
.m-req{display:block!important;text-align:center;margin-top:.75rem;border-bottom:none!important;background:var(--brand-600);color:#fff!important;border-radius:10px;padding:.75rem!important;font-size:.75rem;font-weight:600}
/* ===== 深色四栏页脚（效果图定稿） ===== */
.site-footer{background:var(--header);color:rgba(255,255,255,.65);margin-top:5rem;font-size:.8125rem}
.f-cols{display:grid;grid-template-columns:1fr;gap:2.5rem;padding-top:3.5rem;padding-bottom:2.5rem}
@media(min-width:768px){.f-cols{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}}
.f-logo{color:#fff;font-weight:700;font-size:1.0625rem;letter-spacing:-.02em;margin:0}
.f-logo span{color:#5B7EF0}
.f-tag{font-size:11px;color:rgba(255,255,255,.45);margin:.25rem 0 1rem}
.f-blurb{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55);margin:0;max-width:22rem}
.f-title{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.4);margin:0 0 1rem}
.f-col a{display:block;color:rgba(255,255,255,.72);padding:.3rem 0;transition:.15s}
.f-col a:hover{color:#fff}
.f-item{display:block;color:rgba(255,255,255,.45);padding:.3rem 0}
.f-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;border-top:1px solid rgba(255,255,255,.08);padding-top:1.25rem;padding-bottom:1.5rem;font-size:12px;color:rgba(255,255,255,.4)}
.f-fine{margin:0}
/* ===== 分类标签（眉标） ===== */
.cat-tag{display:inline-flex;align-items:center;background:var(--brand-100);color:var(--brand-700);border-radius:4px;padding:.125rem .5rem;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;line-height:1.5}
/* 品牌蓝渐变占位 + 分类眉标 */
.thumb-grad{width:100%;height:100%;min-height:inherit;display:grid;place-items:center}
.thumb-label{color:rgba(255,255,255,.92);font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;text-align:center;padding:0 .5rem;line-height:1.4}
/* ===== 面包屑 / 页头 ===== */
.crumb{font-size:12.5px;color:var(--mute);margin:0 0 1rem;display:flex;align-items:center;flex-wrap:wrap;gap:.375rem}
.crumb a{color:var(--mute)}
.crumb a:hover{color:var(--brand-700)}
.crumb span{color:var(--body)}
.crumb .ico{width:.75rem;height:.75rem;color:var(--line-h)}
.page-head{padding:2.5rem 0 0}
.page-title{font-size:2.75rem;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:.75rem 0}
.page-sub{color:var(--body);font-size:1rem;line-height:1.7;max-width:42rem;margin:0}
/* ===== 工具列 ===== */
.toolbar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-top:2rem;align-items:center}
.pills{display:flex;flex-wrap:wrap;gap:.5rem}
.pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:.5rem 1rem;font-size:.8125rem;font-weight:600;color:var(--body);cursor:pointer;transition:.15s}
.pill:hover{border-color:var(--brand-200);color:var(--brand-700)}
.pill.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.view-seg{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:10px;padding:.25rem;gap:.25rem}
.vs-btn{display:inline-flex;align-items:center;gap:.375rem;border:none;background:transparent;color:var(--body);font-size:.8125rem;font-weight:600;padding:.375rem .75rem;border-radius:8px;cursor:pointer;transition:.15s}
.vs-btn .ico{width:.875rem;height:.875rem}
.vs-btn:hover{color:var(--brand-700)}
.vs-btn.active{background:var(--brand-600);color:#fff}
/* ===== 区段头：眉标 + Articles + 篇数 ===== */
.list-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;margin-top:3rem}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin:0 0 .25rem}
.list-title{font-size:1.5rem;font-weight:700;letter-spacing:-.01em;margin:0;color:var(--ink)}
.list-count{font-family:var(--mono);font-size:12px;color:var(--mute);margin:0;text-transform:uppercase;white-space:nowrap}
/* ===== 置頂精選卡 ===== */
.featured{display:grid;grid-template-columns:1fr;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;margin-top:1.5rem;color:inherit;transition:border-color .15s,box-shadow .15s}
.featured:hover{border-color:var(--line-h);box-shadow:0 4px 12px rgba(15,27,51,.08)}
@media(min-width:768px){.featured{grid-template-columns:1fr 1fr}}
.f-img{position:relative;min-height:14rem}
.f-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
@media(min-width:768px){.f-img{min-height:100%}}
.f-badge{position:absolute;top:.875rem;left:.875rem;background:rgba(15,27,51,.85);color:#fff;font-size:.6875rem;font-weight:600;letter-spacing:.04em;padding:.25rem .625rem;border-radius:999px}
.f-body{padding:1.5rem}
@media(min-width:768px){.f-body{padding:2rem}}
.f-body h2{font-size:1.5rem;font-weight:700;line-height:1.25;letter-spacing:-.01em;margin:.75rem 0 .375rem}
.f-meta{font-family:var(--mono);font-size:12px;color:var(--mute);margin:0 0 .75rem;text-transform:uppercase}
.f-ex{color:var(--body);font-size:.9375rem;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 1.25rem}
.btn-pill{display:inline-flex;align-items:center;gap:.375rem;background:var(--brand-600);color:#fff;border-radius:10px;padding:.625rem 1.25rem;font-size:.875rem;font-weight:600;transition:.15s}
.btn-pill .ico{width:.875rem;height:.875rem}
.btn-pill:hover{background:var(--brand-700);transform:translateY(-1px)}
/* ===== 列表模式 ===== */
#post-area{margin-top:1.25rem}
#post-area.mode-cards .view-list{display:none}
#post-area.mode-list .view-cards{display:none}
.view-list{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
.lrow{display:flex;flex-wrap:wrap;align-items:flex-start;gap:1.25rem;padding:1.25rem 1.5rem;border-bottom:1px solid var(--line);color:inherit;transition:background .15s}
.lrow:last-child{border-bottom:none}
.lrow:hover{background:#F3F6FC}
.lrow.latest{background:var(--brand-50);box-shadow:inset 3px 0 0 var(--brand-600)}
.lrow.latest:hover{background:#E3EBFD}
.lrow-thumb{width:10.5rem;height:7rem;border-radius:8px;overflow:hidden;flex-shrink:0}
.lrow-thumb img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:768px){.lrow-thumb{width:7rem;height:5.25rem}.lrow{padding:1rem}}
.lrow-main{flex:1;min-width:0}
.lrow-title{font-size:1.125rem;font-weight:600;letter-spacing:-.01em;line-height:1.4;margin:.5rem 0 .25rem}
.lrow:hover .lrow-title{color:var(--brand-700)}
.lrow-ex{color:var(--body);font-size:.875rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.lrow-meta{font-family:var(--mono);font-size:12px;color:var(--mute);white-space:nowrap;flex-shrink:0;display:flex;flex-direction:column;align-items:flex-end;gap:.25rem;padding-top:.25rem}
.lrow-meta .l-en{text-transform:uppercase}
@media(max-width:639px){.lrow-meta{flex-direction:row;align-items:center;width:100%;padding-top:0}}
/* ===== 卡片模式 ===== */
.view-cards{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:768px){.view-cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.view-cards{grid-template-columns:repeat(3,1fr)}}
.ccard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;color:inherit;transition:border-color .15s,box-shadow .15s}
.ccard:hover{border-color:var(--line-h);box-shadow:0 4px 12px rgba(15,27,51,.08)}
.ccard-img{height:10rem;overflow:hidden}
.ccard-img img{width:100%;height:100%;object-fit:cover;display:block}
.ccard-body{padding:1.25rem;display:flex;flex-direction:column;flex:1}
.ccard-body h3{font-size:1rem;font-weight:600;letter-spacing:-.01em;line-height:1.4;margin:.625rem 0 .375rem}
.ccard:hover h3{color:var(--brand-700)}
.ccard-ex{color:var(--body);font-size:.875rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 1rem}
.ccard-meta{margin-top:auto;padding-top:.75rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:.5rem;font-family:var(--mono);font-size:12px;color:var(--mute)}
.ccard-meta .l-en{text-transform:uppercase}
#empty-state{display:none;text-align:center;padding:4rem 1rem;color:var(--mute)}
#empty-state .ico{width:2rem;height:2rem;color:var(--line-h);margin-bottom:.75rem}
.empty-txt{font-size:.875rem;margin:0}
/* ===== 详情页 ===== */
.article-head{padding:2.5rem 0 0;max-width:48rem}
.a-title{font-size:2.5rem;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:.875rem 0}
@media(max-width:768px){.a-title{font-size:1.75rem}}
.a-meta{display:flex;flex-wrap:wrap;gap:.375rem 1rem;font-family:var(--mono);font-size:12px;color:var(--mute);margin:0 0 1.5rem}
.a-meta span{display:inline-flex;align-items:center;gap:.375rem}
.a-meta .ico{width:.875rem;height:.875rem;color:var(--line-h)}
.a-meta .up{text-transform:uppercase}
.a-hero{border-radius:12px;overflow:hidden;margin:0 0 2rem;aspect-ratio:16/5;max-height:420px}
.a-hero img{width:100%;height:100%;object-fit:cover;display:block}
.a-hero.thumb-grad{height:auto}
@media(max-width:768px){.a-hero{aspect-ratio:16/9;max-height:260px}}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:2.5rem;margin-top:0}
.article-main{min-width:0}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:2.5rem}}
.prose{max-width:48rem}
/* Key Takeaways：白卡 + 品牌蓝方块要点 */
.takeaways{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:1.25rem 1.5rem;margin:0 0 1.5rem}
.tk-title{display:flex;align-items:center;gap:.5rem;color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin:0 0 .75rem}
.tk-title .ico{width:1rem;height:1rem;color:var(--brand-600)}
.takeaways ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.625rem}
.takeaways li{position:relative;padding-left:1.125rem;color:var(--body);font-size:.9375rem;line-height:1.65}
.takeaways li strong{color:var(--ink)}
.takeaways li::before{content:"";position:absolute;left:.125rem;top:.55em;width:.375rem;height:.375rem;background:var(--brand-600);border-radius:1px}
/* 正文排版 */
.prose h2{font-size:1.75rem;font-weight:700;letter-spacing:-.01em;margin:3rem 0 1rem;scroll-margin-top:6rem;color:var(--ink)}
.prose h3{font-size:1.25rem;font-weight:650;margin:2rem 0 .75rem;scroll-margin-top:6rem;color:var(--ink)}
.prose p{font-size:1rem;line-height:1.7;color:var(--body);margin:0 0 1.25rem}
.prose li{font-size:1rem;line-height:1.7;color:var(--body)}
@media(max-width:768px){.prose p,.prose li{font-size:.9375rem}}
.prose ul{list-style:disc;padding-left:1.25rem;margin:0 0 1.25rem}
.prose ol{list-style:decimal;padding-left:1.25rem;margin:0 0 1.25rem}
.prose ol li{margin:.5rem 0}
.prose strong{color:var(--ink)}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:2px}
.prose a:hover{color:var(--brand-700)}
.prose table{width:100%;border-collapse:collapse;font-size:.875rem;margin:0 0 1.25rem;display:block;overflow-x:auto}
.prose thead th{background:var(--page);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--mute);font-weight:600}
.prose th,.prose td{border:1px solid var(--line);padding:.75rem 1rem;text-align:left;white-space:nowrap}
.prose tbody td:first-child{font-weight:600;color:var(--ink)}
.prose blockquote{margin:0 0 1.25rem;padding:.25rem 0 .25rem 1rem;border-left:3px solid var(--line-h);color:var(--body)}
.prose blockquote p{margin:0 0 .5rem}
.anchor{opacity:0;margin-left:.375rem;font-weight:400;color:var(--brand-600);font-size:.85em;text-decoration:none}
.prose h2:hover .anchor,.prose h3:hover .anchor{opacity:1}
/* 文末分享 */
.share-row{display:flex;align-items:center;gap:.625rem;margin:2.5rem 0 0;padding-top:1.5rem;border-top:1px solid var(--line)}
.share-label{font-size:.8125rem;font-weight:600;color:var(--ink);margin-right:.25rem}
.share-btn{display:grid;place-items:center;width:2.25rem;height:2.25rem;border:1px solid var(--line);border-radius:999px;color:var(--body);background:#fff;cursor:pointer;transition:.15s}
.share-btn:hover{border-color:var(--brand-200);color:var(--brand-700)}
.share-btn .ico{width:1rem;height:1rem}
.copy-msg{font-size:.75rem;color:var(--ok);margin:.5rem 0 0;min-height:1.125rem}
/* 右側 sticky 側欄 */
.sidebar{display:flex;flex-direction:column;gap:1.5rem}
@media(min-width:1024px){.sidebar{position:sticky;top:1.5rem;align-self:start}}
.toc-card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:1.25rem}
.toc-card .toc-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);margin:0 0 .75rem}
.toc-card a{display:block;color:var(--body);font-size:.875rem;line-height:1.5;padding:.25rem 0 .25rem .75rem;border-left:2px solid transparent;transition:.15s}
.toc-card a.lvl3{font-size:13px;padding-left:1.5rem}
.toc-card a:hover{color:var(--brand-700)}
.toc-card a.active{color:var(--brand-700);font-weight:600;border-left-color:var(--brand-600)}
/* Quick CTA 卡：白卡 + mono 眉标（效果图定稿） */
.cta-card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:1.5rem}
.cta-eyebrow{font-family:var(--mono);font-size:11px;color:var(--brand-600);letter-spacing:.06em;margin:0 0 .625rem}
.cta-ico{display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:10px;background:var(--brand-50);border:1px solid var(--brand-100);margin-bottom:.875rem}
.cta-ico .ico{width:1.125rem;height:1.125rem;color:var(--brand-600)}
.cta-title{font-weight:700;font-size:1rem;margin:0 0 .375rem;color:var(--ink)}
.cta-body{font-size:.8125rem;color:var(--body);margin:0 0 1rem;line-height:1.6}
.btn-block{display:flex;align-items:center;justify-content:center;gap:.375rem;background:var(--brand-600);color:#fff;border-radius:10px;padding:.625rem 1rem;font-size:.8125rem;font-weight:600;width:100%;transition:.15s}
.btn-block .ico{width:.875rem;height:.875rem}
.btn-block:hover{background:var(--brand-700);transform:translateY(-1px)}
/* 文末轉化：Related（纯文字小卡）+ Lead Magnet（深色卡） */
.related{margin-top:5rem}
.related h2{font-size:1.75rem;font-weight:700;letter-spacing:-.01em;margin:0 0 1.5rem;color:var(--ink)}
.rel-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;color:inherit;transition:border-color .15s,box-shadow .15s}
.rel-card:hover{border-color:var(--line-h);box-shadow:0 4px 12px rgba(15,27,51,.08)}
.rel-body{padding:1.25rem 1.5rem 1.375rem;display:flex;flex-direction:column;flex:1}
.rel-cat{display:flex;width:fit-content}
.rel-body h3{font-size:1rem;font-weight:600;line-height:1.4;margin:.875rem 0 .375rem}
.rel-card:hover h3{color:var(--brand-700)}
.rel-ex{color:var(--body);font-size:.875rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 1rem}
.rel-foot{margin-top:auto;padding-top:.75rem;border-top:1px solid var(--line);display:flex;justify-content:flex-end;font-family:var(--mono);font-size:12px;color:var(--mute);text-transform:uppercase}
.lead-magnet{margin-top:5rem;background:#0F1B33;border-radius:12px;padding:2rem;color:#fff}
@media(min-width:768px){.lead-magnet{padding:2.5rem}}
.lm-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;align-items:center}
@media(min-width:768px){.lm-grid{grid-template-columns:1fr auto}}
.lm-eyebrow{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:.25rem .625rem;margin-bottom:.875rem}
.lead-magnet h2{margin:0 0 .5rem;font-size:1.5rem;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:#fff}
.lead-magnet .lm-body{color:rgba(255,255,255,.72);font-size:.9375rem;line-height:1.65;margin:0;max-width:32rem}
.lead-form-wrap{display:flex;flex-direction:column;gap:.5rem;min-width:0}
@media(min-width:768px){.lead-form-wrap{min-width:22rem}}
.lead-magnet form{display:flex;flex-direction:column;gap:.625rem}
.lead-magnet input[type=email]{width:100%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;border-radius:10px;padding:.625rem .875rem;font-size:.9375rem}
.lead-magnet input::placeholder{color:rgba(255,255,255,.5)}
.lead-magnet input:focus{outline:none;border-color:var(--brand-500)}
.lead-magnet button{background:#fff;color:var(--ink);border:none;border-radius:10px;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:600;cursor:pointer;transition:.15s}
.lead-magnet button:hover{background:var(--brand-50);transform:translateY(-1px)}
.lm-cap{font-size:11px;color:rgba(255,255,255,.45);margin:.25rem 0 0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.ts-box{min-height:.5rem}
.ts-box iframe{margin-top:.5rem}
.lead-msg{color:#F87171;font-size:.8125rem;margin:0}
.lead-ok{color:#4ADE80;font-weight:600;margin:0}
/* 進場淡入（克制；可被 prefers-reduced-motion 停用） */
.featured,.ccard,.lrow,.rel-card{animation:fadeUp .3s ease both}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.featured,.ccard,.lrow,.rel-card{animation:none}}
@media(max-width:1023px){.article-layout{grid-template-columns:1fr}}
@media(max-width:640px){.site-header .bar{flex-wrap:wrap;gap:.5rem}}