/* ═══════════════════════════════════════════════════════════════
   syz-blog-category.css
   SYZ Rod Ends — 博客分类页独有样式
   适用页面：博客/文章分类页
   依赖：style.css (tokens only)
   类前缀：blog-*
   注意：此页面不使用 szr-components.css
   ═══════════════════════════════════════════════════════════════ */

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

.wrap {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 var(--pad-x);
    }

.btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--f-body);
      font-size: .875rem;
      font-weight: 600;
      letter-spacing: .04em;
      padding: 11px 24px;
      border-radius: var(--r);
      border: 2px solid transparent;
      cursor: pointer;
      transition: all .2s var(--ease);
    }

.btn-primary { background: var(--red); color: #fff; border-color: var(--red); }

.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }

.btn-ghost:hover { border-color: var(--steel); color: var(--steel); }

.btn-steel { background: var(--steel); color: #fff; border-color: var(--steel); }

.btn-steel:hover { background: #155d90; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s var(--ease), transform .5s var(--ease); }

.reveal.in { opacity: 1; transform: none; }

.reveal-delay-1 { transition-delay: .08s; }

.reveal-delay-2 { transition-delay: .16s; }

.reveal-delay-3 { transition-delay: .24s; }

.site-nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 900;
      background: var(--slate);
      transition: box-shadow .3s;
    }

.site-nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.35); }

.nav-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 var(--pad-x);
      height: 68px;
      display: flex;
      align-items: center;
      gap: 40px;
    }

.nav-logo {
      font-family: var(--f-head);
      font-size: 1.5rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: .04em;
      flex-shrink: 0;
    }

.nav-logo span { color: var(--red); }

.nav-menu { display: flex; align-items: center; gap: 6px; flex: 1; }

.nav-menu a {
      color: rgba(255,255,255,.78);
      font-size: .875rem;
      font-weight: 500;
      padding: 6px 14px;
      border-radius: 4px;
      transition: color .2s, background .2s;
    }

.nav-menu a:hover { color: #fff; background: rgba(255,255,255,.1); }

.nav-menu a.active { color: var(--steel); background: rgba(26,111,168,.15); }

.nav-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 4px;
      padding: 6px 12px;
      color: rgba(255,255,255,.7);
      font-size: .875rem;
      cursor: pointer;
    }

.nav-search svg { width:15px; height:15px; opacity:.7; }

.blog-hero {
      margin-top: 68px;
      background: var(--slate);
      padding: 48px 0 0;
      position: relative;
      overflow: hidden;
    }

.blog-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 40px 40px;
    }

.blog-hero-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 var(--pad-x);
      position: relative;
      z-index: 1;
    }

.breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .8rem;
      color: rgba(255,255,255,.5);
      margin-bottom: 20px;
    }

.breadcrumb a { color: rgba(255,255,255,.5); transition: color .2s; }

.breadcrumb a:hover { color: rgba(255,255,255,.85); }

.breadcrumb .sep { opacity: .4; }

.breadcrumb .current { color: rgba(255,255,255,.85); }

.blog-hero-content {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 64px;
      align-items: center;
      padding-bottom: 0;
    }

.blog-eyebrow {
      font-family: var(--f-head);
      font-size: .875rem;
      font-weight: 600;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--steel);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

.blog-eyebrow::before {
      content: '';
      display: inline-block;
      width: 24px;
      height: 2px;
      background: var(--steel);
    }

.blog-title {
      font-family: var(--f-head);
      font-size: clamp(2.4rem, 4vw, 3.4rem);
      font-weight: 800;
      color: #fff;
      line-height: 1.08;
      letter-spacing: .01em;
      margin-bottom: 14px;
    }

.blog-desc {
      font-size: 1rem;
      color: rgba(255,255,255,.65);
      line-height: 1.7;
      max-width: 520px;
    }

.blog-meta-stats {
      display: flex;
      gap: 32px;
      margin-top: 28px;
    }

.blog-stat { }

.blog-stat-val {
      font-family: var(--f-head);
      font-size: 1.6rem;
      font-weight: 700;
      color: #fff;
      line-height: 1;
    }

.blog-stat-lbl { font-size: .78rem; color: rgba(255,255,255,.45); margin-top: 3px; }

.hero-search {
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--r);
      padding: 28px;
    }

.hero-search h3 {
      font-family: var(--f-head);
      font-size: 1rem;
      font-weight: 700;
      color: rgba(255,255,255,.7);
      letter-spacing: .06em;
      text-transform: uppercase;
      margin-bottom: 14px;
    }

.search-bar {
      display: flex;
      gap: 0;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 4px;
      overflow: hidden;
      background: rgba(255,255,255,.06);
    }

.search-bar input {
      flex: 1;
      background: none;
      border: none;
      outline: none;
      padding: 12px 16px;
      font-family: var(--f-body);
      font-size: .9rem;
      color: #fff;
    }

.search-bar input::placeholder { color: rgba(255,255,255,.35); }

.search-bar button {
      background: var(--steel);
      border: none;
      padding: 12px 18px;
      cursor: pointer;
      color: #fff;
      display: flex;
      align-items: center;
      transition: background .2s;
    }

.search-bar button:hover { background: #155d90; }

.search-bar button svg { width:16px; height:16px; fill:none; stroke:currentColor; stroke-width:2; }

.popular-searches {
      margin-top: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: center;
    }

.ps-label { font-size: .75rem; color: rgba(255,255,255,.4); }

.ps-tag {
      font-size: .75rem;
      font-weight: 500;
      padding: 4px 10px;
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 3px;
      color: rgba(255,255,255,.6);
      transition: color .2s, border-color .2s;
    }

.ps-tag:hover { color: #fff; border-color: rgba(255,255,255,.4); }

.blog-strip {
      background: rgba(0,0,0,.25);
      border-top: 1px solid rgba(255,255,255,.08);
      margin-top: 36px;
    }

.blog-strip-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 var(--pad-x);
      display: flex;
      align-items: stretch;
      gap: 0;
      overflow-x: auto;
    }

.strip-link {
      font-size: .82rem;
      font-weight: 600;
      color: rgba(255,255,255,.5);
      padding: 14px 20px;
      white-space: nowrap;
      transition: color .2s;
      border-bottom: 2px solid transparent;
      display: flex;
      align-items: center;
      gap: 7px;
    }

.strip-link:hover { color: rgba(255,255,255,.85); }

.strip-link.active { color: #fff; border-bottom-color: var(--steel); }

.strip-link .count {
      font-size: .68rem;
      background: rgba(255,255,255,.12);
      padding: 2px 6px;
      border-radius: 8px;
      color: rgba(255,255,255,.5);
    }

.strip-link.active .count { background: rgba(26,111,168,.35); color: var(--steel); }

.featured-section {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--line);
      padding: 56px 0;
    }

.featured-label {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--f-head);
      font-size: .78rem;
      font-weight: 700;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--mid);
      margin-bottom: 20px;
    }

.featured-label::before, .featured-label::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--line);
    }

.featured-label::before { max-width: 0; }

.featured-card {
      display: grid;
      grid-template-columns: 1fr 1fr;
      border: 1px solid var(--line);
      border-radius: 10px;
      overflow: hidden;
      background: #fff;
      transition: box-shadow .3s, transform .3s var(--ease);
    }

.featured-card:hover {
      box-shadow: 0 12px 40px rgba(26,111,168,.12);
      transform: translateY(-3px);
    }

.featured-img {
      background: var(--slate);
      position: relative;
      min-height: 360px;
      display: flex;
      align-items: flex-end;
    }

.featured-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(28,43,58,.6) 0%, rgba(28,43,58,.2) 100%);
    }

.featured-img-ph {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 12px;
      color: rgba(255,255,255,.25);
    }

.featured-img-ph svg { width:52px; height:52px; fill:none; stroke:currentColor; stroke-width:1.2; }

.featured-img-ph span { font-size: .82rem; }

.featured-img-label {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      z-index: 2;
      padding: 24px;
    }

.f-cat-badge {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: .7rem;
      font-weight: 700;
      letter-spacing: .1em;
      text-transform: uppercase;
      padding: 5px 12px;
      border-radius: 3px;
      margin-bottom: 10px;
    }

.f-cat-badge.guide { background: var(--steel); color: #fff; }

.f-cat-badge.news { background: var(--slate-mid); color: #fff; }

.f-cat-badge.app { background: #1e7a42; color: #fff; }

.f-cat-badge.update { background: var(--red); color: #fff; }

.featured-body {
      padding: 40px 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

.featured-body .f-cat-badge { margin-bottom: 14px; align-self: flex-start; }

.featured-body h2 {
      font-family: var(--f-head);
      font-size: clamp(1.5rem, 2.2vw, 2rem);
      font-weight: 800;
      color: var(--slate);
      line-height: 1.15;
      margin-bottom: 14px;
      letter-spacing: .01em;
    }

.featured-body h2 a:hover { color: var(--steel); }

.featured-body .excerpt {
      font-size: .95rem;
      color: var(--mid);
      line-height: 1.75;
      margin-bottom: 24px;
    }

.post-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

.author-row {
      display: flex;
      align-items: center;
      gap: 10px;
    }

.author-avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--slate-mid);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--f-head);
      font-size: .85rem;
      font-weight: 700;
      color: rgba(255,255,255,.8);
      flex-shrink: 0;
    }

.author-name { font-size: .85rem; font-weight: 600; color: var(--ink); }

.meta-sep { width: 3px; height: 3px; border-radius: 50%; background: var(--line); }

.meta-date, .meta-read { font-size: .8rem; color: var(--mid); }

.read-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: .875rem;
      font-weight: 600;
      color: var(--steel);
      margin-top: 20px;
      transition: gap .2s;
    }

.read-link svg { width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:2.5; transition: transform .2s; }

.read-link:hover { gap: 10px; }

.read-link:hover svg { transform: translateX(3px); }

.blog-layout {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 56px var(--pad-x) 80px;
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 52px;
      align-items: start;
    }

.posts-col {}

.posts-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 28px;
      padding-bottom: 18px;
      border-bottom: 1px solid var(--line);
    }

.posts-count { font-size: .9rem; color: var(--mid); }

.posts-count strong { color: var(--ink); }

.sort-select {
      font-size: .85rem;
      font-family: var(--f-body);
      padding: 7px 12px;
      border: 1px solid var(--line);
      border-radius: var(--r);
      color: var(--ink);
      background: #fff;
      cursor: pointer;
    }

.post-grid {
      display: flex;
      flex-direction: column;
      gap: 0;
    }

.post-card {
      display: grid;
      grid-template-columns: 240px 1fr;
      gap: 0;
      border: 1px solid var(--line);
      border-radius: var(--r);
      overflow: hidden;
      margin-bottom: 20px;
      background: #fff;
      transition: border-color .2s, box-shadow .25s, transform .25s var(--ease);
    }

.post-card:hover {
      border-color: var(--steel);
      box-shadow: 0 6px 28px rgba(26,111,168,.1);
      transform: translateY(-2px);
    }

.post-img {
      background: var(--bg-alt);
      position: relative;
      overflow: hidden;
    }

.post-img .ph {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 8px;
      color: var(--mid);
    }

.post-img .ph svg { width:32px; height:32px; fill:none; stroke:currentColor; stroke-width:1.4; opacity:.4; }

.post-img .ph span { font-size: .75rem; opacity:.5; }

.post-cat-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      font-size: .65rem;
      font-weight: 700;
      letter-spacing: .1em;
      text-transform: uppercase;
      padding: 4px 9px;
      border-radius: 3px;
      z-index: 1;
    }

.post-body {
      padding: 22px 26px;
      display: flex;
      flex-direction: column;
    }

.post-top-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
    }

.post-top-meta .meta-read { font-size: .78rem; color: var(--mid); }

.post-title {
      font-family: var(--f-head);
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--slate);
      line-height: 1.25;
      margin-bottom: 10px;
      letter-spacing: .01em;
    }

.post-title a:hover { color: var(--steel); }

.post-excerpt {
      font-size: .875rem;
      color: var(--mid);
      line-height: 1.7;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

.post-footer {
      margin-top: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

.post-tags { display: flex; gap: 6px; }

.ptag {
      font-size: .7rem;
      font-weight: 600;
      padding: 3px 9px;
      border-radius: 2px;
      background: var(--bg-alt);
      color: var(--mid);
      border: 1px solid var(--line);
    }

.inline-resource {
      border: 1px solid var(--steel);
      border-radius: var(--r);
      background: var(--steel-lt);
      padding: 22px 24px;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

.resource-icon {
      width: 48px;
      height: 48px;
      background: var(--steel);
      border-radius: var(--r);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

.resource-icon svg { width:22px; height:22px; fill:none; stroke:#fff; stroke-width:2; stroke-linecap:round; }

.resource-text flex: 1; {}

.resource-text h4 {
      font-family: var(--f-head);
      font-size: 1rem;
      font-weight: 700;
      color: var(--slate);
      margin-bottom: 3px;
    }

.resource-text p { font-size: .82rem; color: var(--mid); }

.resource-cta { flex-shrink: 0; }

.pagination {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-top: 12px;
    }

.page-btn {
      min-width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      border: 1px solid var(--line);
      font-size: .875rem;
      font-weight: 600;
      color: var(--mid);
      background: #fff;
      cursor: pointer;
      transition: all .2s;
    }

.page-btn:hover { border-color: var(--steel); color: var(--steel); }

.page-btn.active { background: var(--steel); color: #fff; border-color: var(--steel); }

.page-btn.disabled { opacity: .4; cursor: default; pointer-events: none; }

.page-btn svg { width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:2; }

.page-ellipsis { color: var(--mid); font-size: .875rem; padding: 0 6px; }

.blog-sidebar {
      position: sticky;
      top: 84px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

.sidebar-widget {
      border: 1px solid var(--line);
      border-radius: var(--r);
      background: #fff;
      overflow: hidden;
    }

.widget-header {
      padding: 14px 20px;
      background: var(--bg-alt);
      border-bottom: 1px solid var(--line);
      font-family: var(--f-head);
      font-size: .8rem;
      font-weight: 700;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--mid);
    }

.widget-body { padding: 18px 20px; }

.sidebar-search {
      display: flex;
      border: 1px solid var(--line);
      border-radius: 4px;
      overflow: hidden;
    }

.sidebar-search input {
      flex: 1;
      border: none;
      outline: none;
      padding: 10px 14px;
      font-family: var(--f-body);
      font-size: .875rem;
      color: var(--ink);
    }

.sidebar-search button {
      background: var(--steel);
      border: none;
      padding: 10px 14px;
      cursor: pointer;
      color: #fff;
      display: flex;
      align-items: center;
      transition: background .2s;
    }

.sidebar-search button:hover { background: #155d90; }

.sidebar-search button svg { width:15px; height:15px; fill:none; stroke:currentColor; stroke-width:2; }

.cat-list { display: flex; flex-direction: column; gap: 0; }

.cat-list-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px solid var(--bg-alt);
      font-size: .875rem;
      color: var(--ink);
      transition: color .2s;
    }

.cat-list-item:last-child { border-bottom: none; }

.cat-list-item:hover { color: var(--steel); }

.cat-list-item.active { color: var(--steel); font-weight: 600; }

.cat-list-item .cat-lbl { display: flex; align-items: center; gap: 8px; }

.cat-list-item .cat-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--line);
      flex-shrink: 0;
    }

.cat-list-item.active .cat-dot { background: var(--steel); }

.cat-list-item .cnt {
      font-size: .75rem;
      color: var(--mid);
      background: var(--bg-alt);
      padding: 2px 8px;
      border-radius: 10px;
    }

.cat-list-item.active .cnt { background: var(--steel-lt); color: var(--steel); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }

.tag-cloud-item {
      font-size: .75rem;
      font-weight: 600;
      padding: 5px 11px;
      border-radius: 3px;
      border: 1px solid var(--line);
      color: var(--mid);
      transition: all .2s;
    }

.tag-cloud-item:hover { border-color: var(--steel); color: var(--steel); background: var(--steel-lt); }

.tag-cloud-item.hot { border-color: #c8dff0; color: var(--steel); background: var(--steel-lt); }

.recent-posts { display: flex; flex-direction: column; gap: 0; }

.recent-post {
      display: grid;
      grid-template-columns: 64px 1fr;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid var(--bg-alt);
      align-items: start;
      transition: opacity .2s;
    }

.recent-post:last-child { border-bottom: none; }

.recent-post:hover { opacity: .75; }

.recent-thumb {
      width: 64px;
      height: 48px;
      border-radius: 4px;
      background: var(--bg-alt);
      overflow: hidden;
      position: relative;
      flex-shrink: 0;
    }

.recent-thumb .ph {
      position: absolute; inset: 0;
      display: flex; align-items: center; justify-content: center;
      color: var(--mid);
    }

.recent-thumb .ph svg { width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:1.5; opacity:.4; }

.recent-post-title {
      font-size: .82rem;
      font-weight: 600;
      color: var(--ink);
      line-height: 1.35;
      margin-bottom: 4px;
    }

.recent-post-date { font-size: .73rem; color: var(--mid); }

.newsletter-widget {
      background: var(--slate);
      border: none;
      border-radius: var(--r);
      padding: 24px;
      text-align: center;
    }

.newsletter-widget h4 {
      font-family: var(--f-head);
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

.newsletter-widget p {
      font-size: .82rem;
      color: rgba(255,255,255,.55);
      margin-bottom: 16px;
      line-height: 1.6;
    }

.newsletter-input {
      width: 100%;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 4px;
      padding: 10px 14px;
      font-family: var(--f-body);
      font-size: .875rem;
      color: #fff;
      outline: none;
      margin-bottom: 10px;
    }

.newsletter-input::placeholder { color: rgba(255,255,255,.35); }

.newsletter-submit {
      width: 100%;
      justify-content: center;
    }

.catalog-widget {
      background: linear-gradient(135deg, var(--slate) 0%, var(--slate-mid) 100%);
      border: 1px solid var(--slate-soft);
      border-radius: var(--r);
      padding: 22px;
      position: relative;
      overflow: hidden;
    }

.catalog-widget::before {
      content: '';
      position: absolute;
      top: -30px; right: -30px;
      width: 100px; height: 100px;
      background: rgba(26,111,168,.15);
      border-radius: 50%;
    }

.catalog-widget h4 {
      font-family: var(--f-head);
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
      position: relative;
    }

.catalog-widget p {
      font-size: .8rem;
      color: rgba(255,255,255,.55);
      margin-bottom: 16px;
      position: relative;
    }

.catalog-widget .btn { width: 100%; justify-content: center; position: relative; }

.topics-section {
      background: var(--bg-alt);
      border-top: 1px solid var(--line);
      padding: 72px 0;
    }

.section-eyebrow {
      font-family: var(--f-head);
      font-size: .78rem;
      font-weight: 700;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--steel);
      margin-bottom: 10px;
    }

.section-title {
      font-family: var(--f-head);
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      font-weight: 800;
      color: var(--slate);
      line-height: 1.1;
      letter-spacing: .01em;
    }

.section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 36px;
    }

.view-all-link {
      font-size: .875rem;
      font-weight: 600;
      color: var(--steel);
      display: flex;
      align-items: center;
      gap: 6px;
    }

.view-all-link svg { width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:2; }

.view-all-link:hover { text-decoration: underline; }

.topics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

.topic-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--r);
      padding: 22px;
      transition: border-color .2s, box-shadow .2s, transform .25s var(--ease);
    }

.topic-card:hover {
      border-color: var(--steel);
      box-shadow: 0 6px 22px rgba(26,111,168,.1);
      transform: translateY(-2px);
    }

.topic-icon {
      width: 44px;
      height: 44px;
      background: var(--steel-lt);
      border-radius: var(--r);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
    }

.topic-icon svg { width:20px; height:20px; fill:none; stroke:var(--steel); stroke-width:2; stroke-linecap:round; }

.topic-name {
      font-family: var(--f-head);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--slate);
      margin-bottom: 5px;
    }

.topic-count { font-size: .8rem; color: var(--mid); margin-bottom: 12px; }

.topic-link {
      font-size: .8rem;
      font-weight: 600;
      color: var(--steel);
      display: flex;
      align-items: center;
      gap: 5px;
    }

.topic-link svg { width:12px; height:12px; fill:none; stroke:currentColor; stroke-width:2.5; }

.cta-section {
      background: var(--slate);
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }

.cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size: 40px 40px;
    }

.cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
    }

.cta-text .section-eyebrow { margin-bottom: 10px; }

.cta-text h2 {
      font-family: var(--f-head);
      font-size: clamp(1.8rem, 3vw, 2.6rem);
      font-weight: 800;
      color: #fff;
      line-height: 1.12;
      margin-bottom: 14px;
    }

.cta-text p { font-size: .95rem; color: rgba(255,255,255,.6); line-height: 1.75; }

.cta-form {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--r);
      padding: 30px;
    }

.cta-form h3 {
      font-family: var(--f-head);
      font-size: 1.05rem;
      font-weight: 700;
      color: rgba(255,255,255,.85);
      margin-bottom: 18px;
    }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }

.form-row.full { grid-template-columns: 1fr; }

.form-input {
      width: 100%;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 4px;
      padding: 11px 14px;
      font-family: var(--f-body);
      font-size: .875rem;
      color: #fff;
      outline: none;
      transition: border-color .2s;
    }

.form-input::placeholder { color: rgba(255,255,255,.3); }

.form-input:focus { border-color: var(--steel); }

.form-submit { width: 100%; justify-content: center; margin-top: 6px; }

.form-note { font-size: .73rem; color: rgba(255,255,255,.3); margin-top: 10px; text-align: center; }

.site-footer {
      background: #111a24;
      padding: 64px 0 0;
    }

.footer-grid {
      display: grid;
      grid-template-columns: 280px 1fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 48px;
    }

.footer-brand .nav-logo { font-size: 1.3rem; margin-bottom: 14px; }

.footer-brand p { font-size: .85rem; color: rgba(255,255,255,.45); line-height: 1.7; margin-bottom: 20px; }

.footer-cert { display: flex; gap: 8px; }

.cert-badge {
      font-size: .65rem;
      font-weight: 700;
      letter-spacing: .08em;
      padding: 5px 10px;
      border: 1px solid rgba(255,255,255,.2);
      border-radius: 3px;
      color: rgba(255,255,255,.55);
    }

.footer-col h4 {
      font-family: var(--f-head);
      font-size: .8rem;
      font-weight: 700;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: rgba(255,255,255,.4);
      margin-bottom: 16px;
    }

.footer-col ul li { margin-bottom: 8px; }

.footer-col ul a { font-size: .875rem; color: rgba(255,255,255,.55); transition: color .2s; }

.footer-col ul a:hover { color: rgba(255,255,255,.9); }

.footer-bottom {
      border-top: 1px solid rgba(255,255,255,.08);
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

.footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.35); }

.footer-links { display: flex; gap: 20px; }

.footer-links a { font-size: .8rem; color: rgba(255,255,255,.35); transition: color .2s; }

.footer-links a:hover { color: rgba(255,255,255,.65); }