:root {
  color-scheme: light;
  --brand: #ea5c1f;
  --brand-dark: #b83f0b;
  --ink: #20242b;
  --muted: #64748b;
  --line: #e5e7eb;
  --soft: #fff7ed;
  --page: #f8fafc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family:
    "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

a {
  color: var(--brand-dark);
  text-underline-offset: 3px;
}

.article-site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 12px max(24px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(12px);
}

.article-brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.article-site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.article-site-nav a {
  color: #475569;
  font-size: 14px;
  text-decoration: none;
}

.article-breadcrumbs {
  max-width: 880px;
  margin: 24px auto 0;
  padding: 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.article-breadcrumbs a {
  color: var(--muted);
}

.dakitalk-article-container,
.guide-container,
.article-hub {
  width: min(880px, calc(100% - 32px));
  max-width: 880px !important;
  margin: 20px auto 64px !important;
  padding: clamp(24px, 5vw, 56px) !important;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 16px 50px rgb(15 23 42 / 6%);
}

.article-body {
  padding: 0 !important;
  color: #334155 !important;
  font-size: 17px;
  line-height: 1.9 !important;
}

.article-body h1,
.guide-container h1,
.article-hub h1 {
  margin: 0;
  padding: 0 0 18px !important;
  border-bottom: 2px solid var(--line) !important;
  color: var(--ink) !important;
  font-size: clamp(30px, 5vw, 44px) !important;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.article-body h2,
.guide-container h2,
.article-hub h2 {
  margin: 42px 0 14px;
  color: var(--ink);
  font-size: 25px;
  line-height: 1.4;
}

.article-body h3,
.guide-container h3 {
  margin: 32px 0 10px !important;
  color: #334155 !important;
  font-size: 20px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 18px 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.direct-answer,
.legacy-direct-answer {
  margin: 24px 0;
  padding: 22px 24px;
  border-left: 5px solid var(--brand);
  border-radius: 10px;
  background: var(--soft);
  color: #3f3f46;
  font-size: 18px;
  line-height: 1.8;
}

.guide-table-wrap {
  overflow-x: auto;
}

.guide-table {
  width: 100%;
  margin: 20px 0 28px;
  border-collapse: collapse;
  font-size: 15px;
}

.guide-table th,
.guide-table td {
  padding: 13px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.guide-table th {
  background: #f1f5f9;
  color: #334155;
}

.guide-checklist li,
.article-body li {
  margin: 8px 0;
}

.article-trust-note,
.article-related,
.guide-cta {
  margin-top: 36px;
  padding: 22px 24px;
  border: 1px solid #fed7aa;
  border-radius: 14px;
  background: #fffaf5;
}

.article-related h2,
.article-trust-note h2,
.guide-cta h2 {
  margin-top: 0;
  font-size: 20px;
}

.article-related ul {
  margin-bottom: 0;
}

.article-faq details {
  margin: 12px 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.article-faq summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 700;
}

.article-faq details p {
  margin-bottom: 0;
}

.dakitalk-page-nav {
  gap: 24px;
}

.article-site-footer {
  padding: 30px 20px 42px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0 40px;
}

.hub-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  text-decoration: none;
}

.hub-card:hover {
  border-color: #fdba74;
  box-shadow: 0 10px 30px rgb(234 88 12 / 8%);
}

.hub-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.hub-card span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 720px) {
  .article-site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
  }

  .article-site-nav {
    gap: 10px 14px;
  }

  .dakitalk-article-container,
  .guide-container,
  .article-hub {
    width: min(100% - 20px, 880px);
    padding: 24px 18px !important;
    border-radius: 14px;
  }

  .article-body {
    font-size: 16px;
  }

  .hub-grid {
    grid-template-columns: 1fr;
  }
}