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.15s}.icon-btn:hover{background:var(--paper)}.icon-btn svg{width:17px;height:17px}.nav-toggle{display:none;flex-direction:column;gap:5px;padding:14px 10px}.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px}.breadcrumb{padding:22px 0 8px;font-family:var(--mff);font-size:12px;color:var(--gray-light)}.breadcrumb-list{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.breadcrumb-item a{color:var(--gray)}.breadcrumb-item a:hover{color:var(--accent)}.breadcrumb-item+.breadcrumb-item::before{content:"/";margin-right:8px;color:var(--line)}.breadcrumb-item.active{color:var(--ink-soft)}.article-head{padding:6px 0 26px}.article-cat{display:inline-block;background:var(--accent);color:#fff;font-family:var(--mff);font-size:11px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;padding:5px 14px;border-radius:999px;margin-bottom:16px}.article-cat:hover{background:var(--ink)}.article-head h1{font-size:clamp(30px,4.5vw,50px);line-height:1.1;letter-spacing:-.02em;max-width:860px}.article-excerpt{font-size:19px;color:var(--gray);margin-top:16px;line-height:1.5;max-width:720px}.article-meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:20px;font-family:var(--mff);font-size:13px;color:var(--gray-light)}.article-meta-row a{color:var(--gray);font-weight:500}.article-meta-row a:hover{color:var(--accent)}.article-meta-row .sep{color:var(--line)}.avatar-letter{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;font-family:var(--hff);font-weight:600;font-size:15px;border-radius:50%}.avatar-letter--xl{width:56px;height:56px;font-size:22px}.article-featured{margin:0 0 32px;border-radius:var(--radius);overflow:hidden;background:var(--paper)}.article-featured img{width:100%}@media(max-width:768px){.topbar-inner{justify-content:center}.topbar .tb-right{display:none}.header-inner{padding:20px 0}.nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(2,4,37,.06)}.nav-menu.active{display:flex}.nav-item>a{padding:13px 24px}.nav-toggle{display:flex}.nav-right{margin-left:auto}.article-head h1{font-size:clamp(26px,7vw,38px)}}