:root {
  --article-ink: #111432;
  --article-muted: #6c7186;
  --article-line: #d9dce8;
  --article-paper: #f7f8fc;
  --article-violet: #6858ef;
}

html { scroll-behavior: smooth; }
body.article-page {
  margin: 0;
  color: var(--article-ink);
  background: var(--article-paper);
  font-family: Inter, "Microsoft YaHei", "PingFang SC", sans-serif;
}

.article-site-header {
  position: relative;
  top: auto;
  z-index: 20;
  padding: 10px 0 0;
  background: transparent;
  border-bottom: 0;
  backdrop-filter: none;
}

.article-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  width: min(1180px, calc(100% - 32px));
  min-height: 62px;
  margin: 0 auto;
  padding: 7px 12px 7px 18px;
  background: rgba(255, 255, 255, .98);
  border: 1px solid rgba(255, 255, 255, .92);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(55, 67, 142, .09);
}

.article-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  color: #202451;
  font-size: 15px;
  font-weight: 900;
  text-decoration: none;
}

.article-brand-mark {
  display: flex;
  flex: 0 0 38px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 38px;
  height: 38px;
  background: radial-gradient(circle at 34% 28%, rgba(255,255,255,.92), transparent 27%), linear-gradient(145deg, #7467f3, #91d7ed);
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 50%;
  box-shadow: inset 0 0 15px rgba(255,255,255,.5);
}

.article-brand-mark span { width: 4px; height: 13px; background: #fff; border-radius: 999px; }

.article-brand-copy { display: grid; gap: 2px; line-height: 1.35; }
.article-brand-copy strong { display: block; }
.article-brand-copy small { display: block; color: var(--article-muted); font-size: 10px; font-weight: 500; }

.article-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: #4f5d6e;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.article-nav-link:hover,
.article-nav-link:focus-visible { color: #252a5b; background: rgba(255, 255, 255, .72); }

.article-nav-cta {
  color: #4f5d6e;
  background: transparent;
  padding-inline: 12px;
}

.article-nav-cta:hover,
.article-nav-cta:focus-visible { color: #252a5b; background: rgba(237, 239, 250, .82); }

body.article-page .report-article {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
  padding: 38px 0 100px;
}

.article-return {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 42px;
  margin: 0 auto 24px;
  padding: 0 18px;
  color: #3935a7;
  background: rgba(95, 91, 255, 0.07);
  border: 1px solid rgba(95, 91, 255, 0.2);
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(44, 42, 116, 0.06);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.article-return::before,
.article-return::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(95, 91, 255, 0.46));
  transform: translateY(-50%);
}

.article-return::before { left: -52px; }
.article-return::after {
  right: -52px;
  transform: translateY(-50%) rotate(180deg);
}

.article-return:hover,
.article-return:focus-visible {
  color: #fff;
  background: #292d70;
  border-color: #292d70;
}

body.article-page .article-section {
  position: relative;
  padding: 78px clamp(26px, 6vw, 82px) 82px;
  background: white;
  border: 1px solid var(--article-line);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(44, 50, 108, .08);
  overflow: hidden;
}

body.article-page .article-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 340px;
  background:
    radial-gradient(circle at 78% 34%, rgba(111, 100, 238, .18), transparent 22%),
    linear-gradient(135deg, #eef1fb, #f9f9fd 72%);
  border-bottom: 1px solid #e2e4ee;
  pointer-events: none;
}

.article-orb {
  position: absolute;
  top: 74px;
  right: clamp(28px, 7vw, 90px);
  z-index: 1;
  width: 118px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, .98);
  border-radius: 50%;
  background:
    radial-gradient(circle at 37% 25%, rgba(255,255,255,.95), transparent 25%),
    radial-gradient(circle at 34% 62%, rgba(83,79,238,.76), transparent 39%),
    radial-gradient(circle at 72% 66%, rgba(97,215,231,.62), transparent 38%),
    linear-gradient(145deg, rgba(255,255,255,.9), rgba(190,181,246,.72));
  box-shadow: inset -16px -18px 34px rgba(96,82,211,.25), 0 20px 42px rgba(71,67,150,.16);
}

.article-orb-face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 23px;
}

.article-orb-face span {
  width: 10px;
  height: 34px;
  background: rgba(255, 255, 255, .97);
  border-radius: 999px;
}

body.article-page .article-content > h1 {
  position: relative;
  z-index: 1;
  width: min(720px, 76%);
  min-height: 190px;
  margin: 0 0 82px;
  color: var(--article-ink);
  font-family: "DengXian", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.03;
  font-weight: 700;
  letter-spacing: 0;
}

body.article-page .article-content > h1::before {
  content: "抖音与小红书 · 实用指南";
  display: block;
  margin-bottom: 18px;
  color: #626bb3;
  font-size: 11px;
  font-weight: 800;
}

body.article-page .article-content h2 {
  margin: 64px 0 20px;
  padding-top: 22px;
  color: #171a3f;
  border-top: 1px solid var(--article-line);
  font-size: 29px;
  line-height: 1.2;
  font-family: "DengXian", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-weight: 700;
}

body.article-page .article-content h3 {
  margin: 34px 0 12px;
  color: #282d62;
  font-size: 20px;
}

body.article-page .article-content p,
body.article-page .article-content li {
  color: #555c73;
  font-size: 16px;
  line-height: 1.95;
}

body.article-page .article-content strong { color: #222750; }
body.article-page .article-content a { color: #5962ad; }
body.article-page .article-content pre {
  padding: 22px;
  color: #e9ebff;
  background: #171a3f;
  border: 0;
  border-radius: 8px;
  overflow: auto;
}

body.article-page .article-table-wrap {
  margin: 24px 0;
  border: 1px solid var(--article-line);
  border-radius: 8px;
  overflow: auto;
}

body.article-page .article-table { margin: 0; }

.article-recommendations {
  margin-top: 24px;
  padding: 42px clamp(22px, 5vw, 58px) 48px;
  background: linear-gradient(135deg, #eef1fb, #ffffff 72%);
  border: 1px solid var(--article-line);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(44, 50, 108, .06);
}

.article-recommendation-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .72fr);
  gap: 12px 32px;
  align-items: end;
  margin-bottom: 28px;
}

.article-recommendation-eyebrow {
  grid-column: 1 / -1;
  margin: 0;
  color: #626bb3;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.article-recommendation-heading h2 {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: clamp(26px, 3vw, 38px);
}

.article-recommendation-heading > p:last-child {
  margin: 0;
  color: var(--article-muted);
  font-size: 13px;
  line-height: 1.7;
}

.article-recommendation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.article-recommendation-group {
  min-width: 0;
  padding: 18px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(217, 220, 232, .9);
  border-radius: 8px;
}

.article-recommendation-group h3 {
  margin: 0 0 13px;
  color: #282d62;
  font-size: 16px;
}

.article-recommendation-card {
  display: grid;
  gap: 5px;
  margin-top: 10px;
  padding: 12px;
  color: var(--article-ink) !important;
  background: rgba(247, 248, 252, .84);
  border: 1px solid transparent;
  border-radius: 6px;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.article-recommendation-card:first-of-type { margin-top: 0; }

.article-recommendation-card:hover,
.article-recommendation-card:focus-visible {
  background: #fff;
  border-color: #aeb5da;
  outline: 0;
  transform: translateY(-2px);
}

.article-recommendation-card:focus-visible {
  box-shadow: 0 0 0 3px rgba(104, 88, 239, .18);
}

.article-recommendation-card strong { color: #282d62; font-size: 14px; line-height: 1.4; }
.article-recommendation-card > span:last-child { color: var(--article-muted); font-size: 12px; line-height: 1.55; }
.article-recommendation-kind { color: #626bb3; font-size: 10px; font-weight: 800; }

body.article-page .site-footer {
  display: grid;
  grid-template-columns: minmax(130px, 180px) minmax(430px, 1fr) minmax(220px, 260px);
  gap: 24px;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 36px max(24px, calc((100% - 1040px) / 2));
  color: #c4c7d4;
  background: #0c0f26;
}

body.article-page .footer-brand {
  color: white;
  font-size: 17px;
  font-weight: 900;
  text-decoration: none;
}

body.article-page .site-footer-links {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 16px;
}

body.article-page .site-footer-links a,
body.article-page .footer-contact,
body.article-page .footer-contact a {
  color: #c4c7d4;
  font-size: 11px;
  text-decoration: none;
}

body.article-page .footer-contact {
  margin: 0;
  text-align: right;
  white-space: nowrap;
}

@media (max-width: 980px) {
  body.article-page .site-footer {
    grid-template-columns: 1fr auto;
  }

  body.article-page .site-footer-links {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .article-return::before,
  .article-return::after { width: 24px; }

  .article-return::before { left: -38px; }
  .article-return::after { right: -38px; }

  .article-site-header { padding: 10px; }
  .article-nav { min-height: 50px; padding-left: 14px; }
  .article-nav-link:not(.article-nav-cta) { display: none; }
  .article-nav-cta { min-height: 40px; padding-inline: 14px; }
  body.article-page .report-article { width: min(100% - 20px, 1040px); padding-top: 22px; }
  body.article-page .article-section { padding: 34px 20px 58px; }
  body.article-page .article-section::before { height: 330px; }
  .article-orb { position: relative; top: auto; right: auto; width: 82px; margin: 0 0 24px auto; }
  body.article-page .article-content > h1 {
    width: 100%;
    min-height: 0;
    margin-bottom: 76px;
    font-size: 38px;
  }
  body.article-page .article-content h2 { margin-top: 48px; font-size: 25px; }
  body.article-page .article-content p,
  body.article-page .article-content li { font-size: 15px; line-height: 1.9; }
  .article-recommendations { margin-top: 16px; padding: 30px 18px 34px; }
  .article-recommendation-heading { grid-template-columns: 1fr; gap: 10px; }
  .article-recommendation-heading h2 { font-size: 28px; }
  .article-recommendation-grid { grid-template-columns: 1fr; }
  body.article-page .site-footer {
    grid-template-columns: 1fr;
    gap: 14px;
    text-align: left;
  }
  body.article-page .site-footer-links {
    grid-column: auto;
    grid-row: auto;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  body.article-page .footer-contact { text-align: left; white-space: normal; }
}

a.tool-name-link,
a.tool-name-link:visited {
  color: #5961b8;
  text-decoration: none;
}

a.tool-name-link:hover,
a.tool-name-link:focus-visible {
  color: #343b8f;
  text-decoration: none;
}