.hc {
  --paper: #FAF9F6;
  --card: #ffffff;
  --ink: #2B2B2B;
  --muted: #666666;
  --blue: #2563EB;
  --blue-soft: #EFF6FF;
  --border: #E5E7EB;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.05);
  --serif: "Noto Serif SC", "Source Han Serif", "Songti SC", SimSun, Georgia, serif;
  --sans: Inter, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
.hc * { box-sizing: border-box; }
.hc, .hc { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; }
/* body 布局由 layouts/seo.php 负责 */
.hc #app { flex: 1; width: 100%; display: flex; flex-direction: column; }
.hc a { color: var(--blue); text-decoration: none; }
.hc button { font-family: inherit; }

.hc .demo-bar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 8px 20px; background: #fff; color: var(--muted); font-size: 12px;
  border-bottom: 1px solid var(--border);
}
.hc .demo-bar b { color: var(--ink); }
.hc .demo-bar span { opacity: 0.85; }
.hc .demo-bar .spacer { flex: 1; }
.hc .demo-chip {
  border: 1px solid var(--border); background: #fff; color: var(--ink);
  border-radius: 999px; padding: 4px 10px; cursor: pointer; font-size: 12px;
}
.hc .demo-chip.is-on { background: var(--blue); border-color: var(--blue); }

.hc .site-header { background: #fff; box-shadow: var(--card-shadow); }
.hc .site-header-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.hc .brand { display: flex; align-items: center; gap: 10px; color: inherit; }
.hc .brand img { width: 28px; height: 28px; border-radius: 6px; }
.hc .brand-name { font-family: var(--serif); font-weight: 700; font-size: 18px; }
.hc .nav { display: flex; gap: 6px; flex-wrap: wrap; }
.hc .nav a { padding: 6px 10px; border-radius: 8px; color: var(--muted); font-size: 14px; }
.hc .nav a.is-current { color: var(--blue); font-weight: 600; background: var(--blue-soft); }

.hc .wrap { max-width: 1080px; width: 100%; margin: 0 auto; padding: 40px 24px 80px; }
.hc #view-home.wrap {
  flex: 1;
  display: flex; flex-direction: column; justify-content: center;
  padding: 28px 24px 40px;
}
.hc .hero { text-align: center; margin-bottom: 38px; }
.hc .hero h1 { font-family: var(--serif); font-size: clamp(44px, 3.5vw, 60px); font-weight: 700; margin: 0 0 22px; color: var(--ink); letter-spacing: 0.02em; }

.hc .search { position: relative; max-width: 640px; margin: 0 auto; }
.hc .search input {
  width: 100%; height: 56px; padding: 0 20px 0 50px;
  border: 1px solid var(--border); border-radius: 28px;
  background: #fff; color: var(--ink); font-size: 15px; outline: none;
  box-shadow: var(--card-shadow);
}
.hc .search input:focus { border-color: var(--blue); box-shadow: 0 8px 24px rgba(37,99,235,0.08); }
.hc .search svg {
  position: absolute; left: 18px; top: 28px; transform: translateY(-50%);
  color: var(--muted); pointer-events: none;
}
.hc .search-empty { display: none; margin-top: 16px; color: var(--muted); font-size: 14px; }
.hc .search-empty.is-on { display: block; }
.hc .search-hits { display: none; max-width: 640px; margin: 14px auto 0; text-align: left; }
.hc .search-hits.is-on { display: block; }
.hc .search-hit {
  display: block; width: 100%; text-align: left; padding: 12px 16px; margin-bottom: 8px;
  border: 1px solid var(--border); border-radius: 10px; background: #fff;
  cursor: pointer; color: inherit; font-family: inherit;
}
.hc .search-hit:hover { border-color: var(--blue); }
.hc .search-hit .k { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.hc .search-hit .t { font-size: 15px; font-weight: 600; }
.hc .faq-search { width: 100%; height: 44px; margin: 0 0 20px; padding: 0 14px;
  border: 1px solid var(--border); border-radius: 10px; font-size: 14px; font-family: inherit; }
.hc .faq-item.is-hidden { display: none; }
.hc .faq-group.is-hidden { display: none; }

.hc .hubs {
  container-type: inline-size;
  display: flex; justify-content: center; flex-wrap: nowrap; gap: 2.33cqw; margin: 0 0 36px;
}
.hc .hub {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 19.38cqw; aspect-ratio: 1; padding: 2.33cqw 1.55cqw;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--card-shadow); cursor: pointer; color: inherit;
  transition: transform 200ms ease, border-color 200ms ease;
}
.hc .hub:hover { transform: translateY(-4px); border-color: #DBEAFE; }
.hc .hub-art {
  width: 8.53cqw; aspect-ratio: 1; margin-bottom: 1.74cqw;
  display: grid; place-items: center;
}
.hc .hub-art svg { width: 100%; height: 100%; display: block; }
.hc .hub h2 { font-family: var(--serif); font-size: clamp(16px, 2cqw, 24px); font-weight: 700; margin: 0; }

.hc .clients {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; margin: 8px 0 0;
}
.hc .clients .client { grid-column: span 2; }
.hc .clients .client:nth-child(4) { grid-column: 2 / span 2; }
.hc .clients .client:nth-child(5) { grid-column: 4 / span 2; }
.hc .client {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  min-height: 200px; padding: 32px 22px;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  box-shadow: none; cursor: pointer; color: inherit;
  transition: transform 200ms ease, border-color 200ms ease;
}
.hc .client:hover { transform: translateY(-2px); border-color: #DBEAFE; }
.hc .client-icon {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 16px;
  display: grid; place-items: center; background: var(--blue-soft); color: var(--blue);
}
.hc .client-icon svg { width: 28px; height: 28px; display: block; }
.hc .client h3 { margin: 0; font-size: 18px; font-weight: 600; }

.hc .section { margin-bottom: 0; }

.hc .help-card {
  container-type: inline-size;
  display: flex; align-items: center; justify-content: center; gap: 7.7cqw;
  padding: 3.49% 4.65%; background: #fff; border: 1px solid var(--border); border-radius: 10px;
}
.hc .help-card h3 {
  font-family: var(--serif); font-size: clamp(18px, 3cqw, 30px); font-weight: 600; margin: 0;
  line-height: 1.4; white-space: nowrap;
}
.hc .qr-row { display: flex; gap: 3cqw; flex: none; }
.hc .qr-box {
  width: 12.85cqw; height: 12.85cqw; border-radius: 10px; background: #fff;
  border: 1px solid var(--border); padding: 6px; overflow: hidden;
}
.hc .qr-box img { width: 100%; height: 100%; object-fit: contain; display: block; }
.hc .qr-item span { display: block; margin-top: 8px; font-size: 12px; color: var(--muted); text-align: center; }

.hc .crumbs { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.hc .layout { display: grid; grid-template-columns: minmax(0, 220fr) minmax(0, 776fr); gap: 3.488%; align-items: start; }
.hc .toc { position: sticky; top: 72px; }
.hc .toc h4 { margin: 18px 0 8px; font-size: 12px; color: var(--muted); letter-spacing: 0.06em; font-weight: 600; }
.hc .toc h4:first-child { margin-top: 0; }
.hc .toc a { display: block; padding: 7px 0; color: var(--ink); font-size: 14px; }
.hc .toc a.is-on { color: var(--blue); font-weight: 600; }
.hc .toc-group { margin: 0; }
.hc .toc-fold {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 8px 0; color: var(--ink); font-size: 14px; font-weight: 600;
  border: 0; background: transparent; cursor: pointer; font-family: inherit; text-align: left;
}
.hc .toc-fold.is-on { color: var(--blue); }
.hc .toc-chevron {
  width: 0; height: 0; flex: none; margin-left: auto;
  border-style: solid;
  border-width: 4px 0 4px 6px;
  border-color: transparent transparent transparent var(--muted);
}
.hc .toc-group.is-open > .toc-fold > .toc-chevron, .hc .toc-more.is-open > .toc-fold > .toc-chevron, .hc .feat-more.is-open > .feat-more-toggle > .toc-chevron {
  border-width: 6px 4px 0 4px;
  border-color: var(--muted) transparent transparent transparent;
}
.hc .toc-sub { display: none; padding: 0 0 8px 10px; margin: 0 0 4px 2px; border-left: 1px solid var(--border); }
.hc .toc-group.is-open .toc-sub { display: block; }
.hc .toc-sub a { padding: 5px 0; font-size: 13px; color: var(--muted); }
.hc .toc-sub a.is-on { color: var(--blue); }
.hc .toc-sub a.toc-main { color: var(--ink); font-weight: 600; }
.hc .toc-sub a.toc-main.is-on { color: var(--blue); }
.hc .toc-more { margin: 2px 0 0; }
.hc .toc-more-fold { font-size: 13px; font-weight: 600; padding: 5px 0; }
.hc .toc-more-sub { display: none; padding: 0 0 4px 10px; margin: 0 0 2px 2px; border-left: 1px solid var(--border); }
.hc .toc-more.is-open .toc-more-sub { display: block; }
.hc .toc-nest { margin: 0; }
.hc .toc-nest .toc-cat {
  margin: 0 0 2px; font-size: 13px; font-weight: 600; color: var(--ink); letter-spacing: 0;
}
.hc .toc-nest a { padding-left: 12px; }
.hc .toc-sub > a:first-child, .hc .toc-sub > .toc-cat:first-child { margin-top: 0; }

.hc .panel {
  min-width: 0;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 32px 36px; box-shadow: none;
}
.hc .panel h1, .hc .page-title { font-family: var(--serif); font-size: 22px; font-weight: 700; margin: 0 0 8px; }
.hc .page-title { text-align: center; margin-bottom: 24px; }
.hc .lede { color: #4B4B4B; font-size: 15px; line-height: 1.6; margin: 0 0 28px; }

.hc #feat-grid { display: flex; flex-direction: column; gap: 28px; }
.hc .feat-block h2 {
  margin: 0 0 12px; font-size: 13px; font-weight: 600; color: var(--muted);
  letter-spacing: 0.04em;
}
.hc .feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hc .feat {
  display: block; padding: 18px 18px 16px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--paper); color: inherit; cursor: pointer; text-align: left;
  transition: border-color 180ms ease, transform 180ms ease;
}
.hc .feat:hover { border-color: var(--blue); transform: translateY(-2px); }
.hc .feat-shot {
  height: 110px; border-radius: 8px; background: var(--blue-soft); margin-bottom: 12px;
  border: 1px solid var(--border); overflow: hidden;
}
.hc .feat h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
.hc .feat p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.hc .feat-more-toggle {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  width: 100%; padding: 0; border: 0; background: transparent; cursor: pointer;
  font-family: inherit; text-align: left;
}
.hc .feat-more-toggle span:first-child {
  font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: 0.04em;
}
.hc .feat-more .feat-grid { display: none; margin-top: 12px; }
.hc .feat-more.is-open .feat-grid { display: grid; }

.hc .faq-group { margin-bottom: 8px; }
.hc .faq-fold {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 12px 0; border: 0; background: transparent; cursor: pointer;
  font-family: inherit; text-align: left; font-size: 15px; font-weight: 600; color: var(--ink);
}
.hc .faq-sub { display: none; }
.hc .faq-group.is-open > .faq-fold > .toc-chevron {
  border-width: 6px 4px 0 4px;
  border-color: var(--muted) transparent transparent transparent;
}
.hc .faq-group.is-open .faq-sub { display: block; }
.hc .faq-item {
  width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--border);
  background: transparent; padding: 14px 4px; cursor: pointer; color: inherit;
}
.hc .faq-item:hover { color: var(--blue); }
.hc .faq-q { font-size: 15px; font-weight: 600; }
.hc .faq-a { display: none; margin: 8px 0 4px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.hc .faq-item.is-open .faq-a { display: block; }
.hc .faq-more { display: inline-block; margin-top: 8px; font-size: 13px; font-weight: 600; }

.hc .mock { height: 100%; padding: 12px 14px; }
.hc .mock-bar { height: 8px; width: 40%; background: #BFDBFE; border-radius: 6px; margin-bottom: 10px; }
.hc .mock-row { display: flex; gap: 6px; }
.hc .mock-btn { height: 22px; flex: 1; border-radius: 5px; background: #DBEAFE; }
.hc .mock-btn.on { background: var(--blue); }
.hc .mock-line { height: 8px; background: #DBEAFE; border-radius: 4px; margin-bottom: 6px; }
.hc .mock-line.w2 { width: 72%; }
.hc .mock-line.w3 { width: 54%; }
.hc .mock-float {
  margin-left: auto; width: 22px; height: 64px; border-radius: 11px; background: var(--blue);
}

.hc .takeaway {
  background: #EFF6FF; border-left: 4px solid var(--blue);
  padding: 22px 28px; border-radius: 8px;
  font-size: 15px; line-height: 1.8; margin-bottom: 28px; color: var(--ink);
}
.hc .step { display: grid; grid-template-columns: 32px 1fr; gap: 10px 14px; margin-bottom: 32px; }
.hc .step:last-child { margin-bottom: 0; }
.hc .step-num {
  width: 24px; height: 24px; border-radius: 50%; background: var(--blue); color: #FAF9F6;
  display: grid; place-items: center; font-size: 12px; font-weight: 700; margin-top: 1px;
}
.hc .step h3 { margin: 0 0 10px; font-size: 16px; color: var(--ink); line-height: 1.4; }
.hc .step h3 a { font-weight: 600; }
.hc .step p { margin: 0 0 10px; color: var(--ink); font-size: 15px; line-height: 1.6; }
.hc .step-jump {
  display: inline-flex; align-items: center; height: 44px; padding: 0 18px;
  border-radius: 10px; background: var(--blue); color: #fff !important; font-size: 14px; font-weight: 600;
}
.hc .step-jump:hover { opacity: 0.92; }
.hc .shot { border-radius: 10px; overflow: hidden; border: 1px solid var(--border); background: #F3F4F6; }
.hc .shot-photo {
  container-type: inline-size;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: auto; padding: 0;
  cursor: zoom-in; background: var(--paper); border: 0;
}
.hc .shot-photo img {
  display: block; width: auto; height: auto;
  max-width: 100%; max-height: 42.6cqw;
  object-fit: contain; pointer-events: none;
}
.hc .shot-photo.shot-phone img { max-height: 63.8cqw; }
.hc .step-cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px 40px; align-items: start;
}
.hc .step-col { min-width: 0; padding: 8px 0 0; }
.hc .step-col h2 {
  font-family: var(--serif); font-size: 20px; font-weight: 700;
  margin: 0 0 22px; color: var(--ink);
}
.hc .lightbox {
  display: none; position: fixed; inset: 0; z-index: 80;
  background: rgba(43,43,43,0.72); align-items: center; justify-content: center;
  padding: 24px; cursor: zoom-out;
}
.hc .lightbox.is-on { display: flex; }
.hc .lightbox img {
  width: auto; height: auto; max-width: 92vw; max-height: 90vh;
  border-radius: 10px; background: #fff;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.18);
  cursor: default;
}
.hc .shot-chrome { display: flex; gap: 6px; padding: 8px 12px; background: #fff; border-bottom: 1px solid var(--border); }
.hc .shot-dot { width: 8px; height: 8px; border-radius: 50%; background: #E5E7EB; }
.hc .shot-ui { padding: 16px 18px 14px; }
.hc .shot-note { font-size: 12px; color: var(--muted); margin-top: 10px; }
.hc .shot-ext, .hc .shot-ai {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; background: #FAF9F6; border: 1px solid var(--border); border-radius: 10px;
}
.hc .shot-ai { display: block; }
.hc .shot-ext-name { font-size: 13px; font-weight: 600; }
.hc .shot-ext-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.hc .shot-toggle { width: 36px; height: 20px; border-radius: 999px; background: var(--blue); position: relative; }
.hc .shot-toggle::after {
  content: ""; position: absolute; right: 2px; top: 2px;
  width: 16px; height: 16px; border-radius: 50%; background: #FAF9F6;
}
.hc .shot-icons { display: flex; gap: 8px; margin-top: 10px; }
.hc .shot-icon {
  min-width: 52px; height: 28px; border-radius: 6px; background: var(--blue-soft);
  color: var(--blue); font-size: 11px; font-weight: 600; display: grid; place-items: center;
}
.hc .shot-icon.hi { background: var(--blue); color: #FAF9F6; }

.hc .cta-row { display: flex; gap: 20px; flex-wrap: wrap; margin: 28px 0 0; padding-top: 22px; border-top: 1px solid var(--border); }
.hc .cta-row a { font-size: 14px; font-weight: 600; }
.hc .cta-row a.muted { color: var(--muted); font-weight: 500; }
.hc .cta-row a.muted:hover { color: var(--blue); }
.hc .btn { height: 44px; padding: 0 18px; border-radius: 10px; border: 0; font-size: 14px; font-weight: 600; cursor: pointer; }
.hc .btn-primary { background: var(--blue); color: #FAF9F6; }
.hc .btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border); }

.hc .site-footer { border-top: 1px solid var(--border); padding: 20px 24px 28px; text-align: center; color: var(--muted); font-size: 12px; }
.hc button.qr-box { display: block; cursor: zoom-in; }
.hc button.qr-box:hover { border-color: var(--blue); }

.hc .faq-top { margin-bottom: 16px; padding: 2px 16px 6px; background: var(--paper); border: 1px solid var(--border); border-radius: 10px; }
.hc .faq-top .faq-item:last-child { border-bottom: 0; }

.hc .feat-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.hc .feat-pager:empty { display: none; }
.hc .pager-link { display: flex; flex-direction: column; gap: 4px; min-width: 0; padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px; color: var(--ink); }
.hc .pager-link:hover { border-color: var(--blue); color: var(--blue); }
.hc .pager-link.next { grid-column: 2; align-items: flex-end; text-align: right; }
.hc .pager-k { font-size: 12px; color: var(--muted); }
.hc .pager-t { font-size: 15px; font-weight: 600; line-height: 1.4; }

.hc .toc-ico { display: inline-flex; width: 16px; height: 16px; margin-right: 8px; vertical-align: -3px; flex: none; }
.hc .toc-ico svg { width: 16px; height: 16px; display: block; }

.hc .crumbs { position: relative; min-height: 36px; padding: 8px 48px 8px 0; line-height: 20px; margin-bottom: 12px; font-size: 15px; }
.hc .top-search { position: absolute; right: 0; top: 0; height: 36px; display: flex; align-items: center; z-index: 30; }
.hc .top-search[hidden] { display: none; }
.hc .top-search-btn { width: 36px; height: 36px; flex: none; display: grid; place-items: center; padding: 0; border: 1px solid var(--border); border-radius: 18px; background: #fff; color: var(--muted); cursor: pointer; }
.hc .top-search-btn:hover { color: var(--blue); border-color: var(--blue); }
.hc .top-search input { display: none; width: 320px; height: 36px; padding: 0 14px 0 38px; border: 1px solid var(--blue); border-radius: 18px; background: #fff; color: var(--ink); font-size: 14px; font-family: inherit; outline: none; }
.hc .top-search.is-open .top-search-btn { position: absolute; left: 0; top: 0; border-color: transparent; background: transparent; pointer-events: none; }
.hc .top-search.is-open input { display: block; }
.hc .top-search-hits { display: none; position: absolute; right: 0; top: 42px; width: 320px; max-height: 60vh; overflow: auto; padding: 6px; background: #fff; border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04); text-align: left; }
.hc .top-search-hits.is-on { display: block; }
.hc .top-search-hits .search-hit { margin: 0; border: 0; border-radius: 8px; padding: 10px 12px; }
.hc .top-search-hits .search-hit:hover { background: var(--blue-soft); }
.hc .top-search-empty { margin: 0; padding: 10px 12px; color: var(--muted); font-size: 14px; }
@media (max-width: 860px) {
  .hc .top-search.is-open { left: 0; bottom: 0; height: auto; align-items: flex-start; background: var(--paper); }
  .hc .top-search.is-open input, .hc .top-search-hits { width: 100%; }
}

.hc .toc { max-height: calc(100vh - 88px); overflow-y: auto; }
.hc .toc-group:not(.is-open) > .toc-sub { display: none; }
.hc .toc-group.is-open > .toc-sub { display: block; }
.hc .toc-line { display: flex; align-items: center; gap: 8px; }
.hc .toc .toc-line > a, .hc .toc .toc-line > .toc-title { flex: 1; padding: 8px 0; font-size: 15px; font-weight: 700; color: var(--ink); }
.hc .toc .toc-line > a.is-on, .hc .toc .toc-line > .toc-title.is-on { color: var(--blue); }
.hc .toc .toc-line > .toc-title { display: block; cursor: default; }
.hc .toc-arrow { flex: none; width: 28px; height: 28px; display: grid; place-items: center; padding: 0; border: 0; background: transparent; cursor: pointer; }
.hc .toc-group.is-open > .toc-line .toc-chevron { border-width: 6px 4px 0 4px; border-color: var(--muted) transparent transparent transparent; }
.hc .toc-top { margin-bottom: 4px; }
.hc .toc-top > .toc-sub { padding: 0 0 6px 12px; margin: 0; border-left: 0; }
.hc .toc-sub .toc-sub a { line-height: 1.5; }
.hc .toc .toc-home { padding: 8px 0; font-size: 15px; font-weight: 700; color: var(--ink); }

.hc .step-sec + .step-sec { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); }
.hc .step-sec > h2 { font-family: var(--serif); font-size: 20px; font-weight: 700; margin: 0 0 22px; color: var(--ink); }
.hc .step-sec-small > h2 { font-size: 17px; color: #4B4B4B; }
.hc .step-sec-small .shot-photo img { max-width: min(50%, 280px); }
@media (max-width: 860px) {
  .hc .step-sec-small .shot-photo img { max-width: 80%; }
}

.hc .hub, .hc .client, .hc .help-card, .hc .panel, .hc .pager-link {
  border-radius: 14px; border-color: transparent;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
}
.hc .hub:hover, .hc .client:hover, .hc .pager-link:hover {
  border-color: transparent;
  box-shadow: 0 12px 20px -8px rgba(0,0,0,0.12), 0 4px 8px -4px rgba(0,0,0,0.05);
}

.hc .hidden { display: none !important; }

.hc .step-col, .hc .panel, .hc .toc { min-width: 0; }


/* ---------- 嵌入 layouts/seo.php 后的覆盖 ---------- */
/* 公共框架加载了 Bootstrap 4 与站点样式，这里把会串进来的默认样式拉回 */
.hc a:hover { text-decoration: none; }
.hc h1, .hc h2, .hc h3, .hc h4 { font-family: inherit; }
.hc p { margin-top: 0; }
/* 宽度与留白跟随公共框架的 .seo-main.container */
.hc .wrap { max-width: none; padding: 0; }
/* 浮层要盖过公共顶栏（z-index 100） */
.hc .lightbox { z-index: 2000; }


/* ---------- /help 默认：帮助中心首页（方案 C：搜索横幅 + 两个入口） ---------- */
.hc #view-home.wrap { padding: 0; justify-content: flex-start; }
.hc #view-home .home-panel { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.hc #view-home .home-hero { background: #fff; border-radius: 14px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03); padding: 52px 36px 44px; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.hc #view-home .home-hero h1 { margin: 0; font-family: var(--serif); font-size: 30px; font-weight: 700; color: var(--ink); text-align: center; }
.hc #view-home .home-search { position: relative; width: 75%; max-width: 680px; }
.hc #view-home .home-search > svg { position: absolute; left: 19px; top: 17px; color: var(--muted); pointer-events: none; }
.hc #view-home .home-search input { width: 100%; height: 52px; padding: 0 20px 0 48px; border: 1px solid var(--border); border-radius: 26px; background: var(--paper); color: var(--ink); font-size: 15px; font-family: inherit; outline: none; }
.hc #view-home .home-search input:focus { border-color: var(--blue); box-shadow: 0 8px 24px rgba(37,99,235,0.10); }
.hc #view-home .home-search .top-search-hits { left: 0; right: 0; width: auto; top: 58px; }
.hc #view-home .home-search input:focus { background: #fff; }
.hc #view-home .home-tags { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.hc #view-home .home-tags button { padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--paper); color: var(--ink); font-size: 13px; font-family: inherit; cursor: pointer; }
.hc #view-home .home-tags button:hover { border-color: var(--blue); color: var(--blue); }
.hc #view-home .hubs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; width: 100%; margin: 0; padding: 0; }
.hc #view-home .hub {
  width: auto; max-width: none; height: auto; aspect-ratio: auto; padding: 14px 20px;
  display: flex; flex-direction: row; align-items: center; justify-content: flex-start; gap: 16px;
  background: #fff; border: 1px solid transparent; border-radius: 14px; text-align: left;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.hc #view-home .hub::after { content: "›"; margin-left: auto; color: var(--blue); font-size: 22px; line-height: 1; }
.hc #view-home .hub:hover { transform: translateY(-2px); border-color: var(--blue); box-shadow: 0 12px 20px -8px rgba(37,99,235,0.18), 0 4px 8px -4px rgba(0,0,0,0.05); }
.hc #view-home .hub-art { width: 34px; height: 34px; margin: 0; flex: none; }
.hc #view-home .hub-art svg { width: 34px; height: 34px; }
.hc #view-home .hub h2 { margin: 0; font-family: var(--serif); font-size: 16px; font-weight: 700; color: var(--ink); }
@media (max-width: 860px) {
  .hc #view-home .home-hero { padding: 30px 16px 24px; gap: 14px; }
  .hc #view-home .home-hero h1 { font-size: 22px; }
  .hc #view-home .home-search { width: 100%; }
  .hc #view-home .hubs { gap: 10px; }
  .hc #view-home .hub { padding: 12px 14px; gap: 10px; }
  .hc #view-home .hub-art, .hc #view-home .hub-art svg { width: 30px; height: 30px; }
  .hc #view-home .hub h2 { font-size: 15px; }
}

/* 手机上公共框架没有左右内边距，帮助中心自己留 16px */
@media (max-width: 860px) {
  .hc .wrap { padding: 0 16px; }
  .hc #view-home.wrap { padding: 0 16px; }
}

/* 首页铺满首屏：搜索区放大，页脚要往下滑才出现 */
.hc #view-home { min-height: calc(100vh - 187px); display: flex; flex-direction: column; }
.hc #view-home .layout { flex: 1; align-items: start; }
.hc #view-home .toc { align-self: start; }
.hc #view-home .home-panel { height: auto; }
.hc #view-home .home-hero { flex: none; justify-content: center; padding: 72px 40px 64px; gap: 24px; }
.hc #view-home .home-hero h1 { font-size: 38px; }
.hc #view-home .home-search { width: 78%; max-width: 760px; }
.hc #view-home .home-search input { height: 60px; padding: 0 24px 0 54px; border-radius: 30px; font-size: 17px; }
.hc #view-home .home-search > svg { left: 22px; top: 21px; }
.hc #view-home .home-search .top-search-hits { top: 66px; }
.hc #view-home .home-tags button { padding: 8px 16px; font-size: 14px; }
@media (max-width: 860px) {
  .hc #view-home { min-height: calc(100vh - 130px); }
  .hc #view-home .home-hero { padding: 40px 16px 36px; gap: 18px; }
  .hc #view-home .home-hero h1 { font-size: 26px; }
  .hc #view-home .home-search { width: 100%; }
  .hc #view-home .home-search input { height: 52px; font-size: 16px; padding: 0 18px 0 46px; }
  .hc #view-home .home-search > svg { left: 18px; top: 17px; }
  .hc #view-home .home-search .top-search-hits { top: 58px; }
  .hc #view-home .home-tags button { padding: 6px 12px; font-size: 13px; }
}


/* 电脑宽度：帮助中心左右与公共顶栏的 logo 对齐（公共框架的 .seo-main 没有左右内边距） */
@media (min-width: 861px) {
  .hc { padding: 0 20px; }
}