.xp .xpd {
  --xpd-blue: #1677ff;
  --xpd-blue-dark: #0d65db;
  --xpd-ink: #18324c;
  --xpd-text: #536c85;
  --xpd-muted: #8396aa;
  --xpd-line: #e2eaf3;
  --xpd-soft: #f5f8fc;
  --xpd-blue-soft: #edf5ff;
  color: var(--xpd-ink);
}

.xp .xpd [hidden] { display: none !important; }
.xp .xpd a,
.xp .xpd button { -webkit-tap-highlight-color: transparent; }
.xp .xpd button:active,
.xp .xpd .xp-button:active { transform: scale(.98); }
.xp .xpd-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.xp .xpd-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
  color: #7f91a5;
  font-size: 12px;
}
.xp .xpd-breadcrumb > div { display: flex; flex-wrap: wrap; gap: 10px; }
.xp .xpd-breadcrumb a:hover { color: var(--xpd-blue); }
.xp .xpd-breadcrumb > button {
  padding: 5px 0;
  color: #5f7c9c;
  background: transparent;
  font-size: 12px;
}
.xp .xpd-breadcrumb button span { margin-left: 6px; }

.xp .xpd-preview-note {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding: 11px 15px;
  border: 1px solid #f0dfbb;
  border-radius: 8px;
  background: #fff8e9;
  color: #8d6b31;
  font-size: 12px;
}
.xp .xpd-preview-note a { font-weight: 600; white-space: nowrap; }

.xp .xpd-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(340px, .9fr);
  min-height: 430px;
  margin-bottom: 28px;
  overflow: hidden;
  border: 1px solid #dce7f4;
  border-radius: 17px;
  background: #fff;
  box-shadow: 0 12px 38px rgba(32, 74, 120, .06);
}
.xp .xpd-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 46px 48px 36px;
}
.xp .xpd-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: #7890aa;
  font-size: 11px;
  letter-spacing: 1.2px;
}
.xp .xpd-kicker span:first-child {
  padding: 5px 11px;
  border-radius: 5px;
  background: #eaf3ff;
  color: #3479c4;
  letter-spacing: 0;
}
.xp .xpd h1 {
  max-width: 720px;
  color: #17324e;
  font-size: 36px;
  line-height: 1.38;
  letter-spacing: -1px;
  overflow-wrap: anywhere;
}
.xp .xpd-summary {
  max-width: 680px;
  margin: 17px 0 21px;
  color: #627b94;
  font-size: 15px;
  line-height: 1.9;
}
.xp .xpd-byline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  color: #8496a9;
  font-size: 11px;
}
.xp .xpd-byline > span:nth-child(2) { color: #5f7892; font-weight: 600; }
.xp .xpd-byline i { width: 3px; height: 3px; border-radius: 50%; background: #c6d1dd; }
.xp .xpd-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border: 1px solid #dce8f5;
  border-radius: 50%;
  background: #edf4fc;
  color: #6288b0;
  font-size: 10px;
}
.xp .xpd-hero-action {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 25px;
}
.xp .xpd-hero-action .xp-button {
  min-height: 45px;
  padding: 11px 23px;
  border-radius: 8px;
  background: var(--xpd-blue);
  font-size: 13px;
}
.xp .xpd-hero-action > div > b {
  display: block;
  color: #255887;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
}
.xp .xpd-hero-action > div > b > small {
  color: #8a9caf;
  font-size: 10px;
  font-weight: 400;
}
.xp .xpd-hero-action > div > small {
  display: block;
  margin-top: 4px;
  color: #8397ab;
  font-size: 10px;
}
.xp .xpd-facts {
  display: grid;
  grid-template-columns: 1.15fr 1fr .65fr;
  gap: 22px;
  margin: 29px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--xpd-line);
}
.xp .xpd-facts dt { color: #8093a8; font-size: 11px; }
.xp .xpd-facts dt small { margin-left: 4px; color: #9faebe; font-size: 9px; }
.xp .xpd-facts dd {
  margin: 6px 0 0;
  color: #294c70;
  font-size: 17px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.xp .xpd-preview-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 38px 34px;
  overflow: hidden;
  border-left: 1px solid #dbe8f7;
  background:
    radial-gradient(circle at 92% 8%, rgba(86, 151, 240, .2) 0 75px, transparent 76px),
    linear-gradient(145deg, #eff6ff 0%, #e8f2ff 100%);
  color: var(--xpd-ink);
}
.xp .xpd-preview-card:after {
  content: '';
  position: absolute;
  right: -50px;
  bottom: -55px;
  width: 165px;
  height: 165px;
  border: 24px solid rgba(76, 139, 224, .1);
  border-radius: 50%;
}
.xp .xpd-preview-card > * { position: relative; z-index: 1; }
.xp .xpd-preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #537290;
  font-size: 12px;
  font-weight: 600;
}
.xp .xpd-online-label {
  padding: 4px 10px;
  border: 1px solid #c9ddf5;
  border-radius: 20px;
  background: rgba(255, 255, 255, .65);
  color: #5e83ab;
  font-size: 10px;
  font-weight: 400;
}
.xp .xpd-content-count { display: flex; flex-direction: column; margin-top: 25px; }
.xp .xpd-content-count b {
  color: #1e5d9b;
  font: 700 48px/1.15 system-ui, sans-serif;
  letter-spacing: -1.5px;
}
.xp .xpd-content-count small {
  color: #496f95;
  font: 500 13px/1.5 "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}
.xp .xpd-content-count > span { margin-top: 9px; color: #7189a1; font-size: 12px; }
.xp .xpd-format-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.xp .xpd-format-chips span {
  padding: 5px 9px;
  border: 1px solid #d4e4f6;
  border-radius: 5px;
  background: rgba(255, 255, 255, .62);
  color: #5f7d9c;
  font-size: 10px;
}
.xp .xpd-preview-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px;
  border: 1px solid #cedff3;
  border-radius: 9px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 8px 24px rgba(42, 91, 148, .07);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.xp .xpd-preview-link:hover {
  border-color: #91b9e8;
  color: inherit;
  box-shadow: 0 11px 28px rgba(42, 91, 148, .11);
  transform: translateY(-2px);
}
.xp .xpd-preview-link > div { flex: 1; min-width: 0; }
.xp .xpd-preview-link small { display: block; margin-bottom: 4px; color: #5788bd; font-size: 10px; }
.xp .xpd-preview-link b { display: block; color: #2e5377; font-size: 13px; line-height: 1.65; overflow-wrap: anywhere; }
.xp .xpd-preview-link > span:last-child { color: #5e8fc4; }
.xp .xpd-play {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 37px;
  height: 37px;
  border-radius: 50%;
  background: #1677ff;
  color: #fff;
  font: 16px/1 system-ui, sans-serif;
}
.xp .xpd-preview-card > p { margin: 10px 0 0; color: #7e91a6; font-size: 10px; }

.xp .xpd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 26px;
  align-items: start;
}
.xp .xpd-maincol { min-width: 0; }
.xp .xpd-section-nav {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 20px;
  padding: 0 26px;
  border: 1px solid var(--xpd-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 6px 18px rgba(25, 61, 99, .05);
  backdrop-filter: blur(12px);
}
.xp .xpd-section-nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 18px 0;
  color: #71869d;
  font-size: 13px;
  white-space: nowrap;
}
.xp .xpd-section-nav a.active { color: var(--xpd-blue); font-weight: 700; }
.xp .xpd-section-nav a.active:after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--xpd-blue);
}
.xp .xpd-section-nav small {
  padding: 1px 5px;
  border-radius: 4px;
  background: #eef4fb;
  color: #7d96b0;
  font: 10px/1.5 system-ui, sans-serif;
}
.xp .xpd-section {
  margin-bottom: 21px;
  padding: 32px;
  scroll-margin-top: 82px;
  border: 1px solid var(--xpd-line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 5px 20px rgba(26, 65, 105, .025);
}
.xp .xpd-section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 25px;
}
.xp .xpd-overline {
  display: block;
  margin-bottom: 7px;
  color: #6f91b8;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
}
.xp .xpd h2 { color: #1e3a56; font-size: 23px; line-height: 1.48; letter-spacing: -.3px; }
.xp .xpd-section-title p { margin: 7px 0 0; color: #8496a9; font-size: 12px; line-height: 1.8; }

.xp .xpd-before-buy {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
}
.xp .xpd-before-buy article {
  position: relative;
  min-width: 0;
  padding: 20px 18px 18px;
  border: 1px solid #e2eaf3;
  border-radius: 9px;
  background: #fafcff;
}
.xp .xpd-before-buy article:first-child { border-color: #d4e5fa; background: #f3f8ff; }
.xp .xpd-decision-no { display: block; margin-bottom: 13px; color: #79a0ca; font: 600 10px/1.4 system-ui, sans-serif; }
.xp .xpd-before-buy h3 { margin-bottom: 12px; color: #365775; font-size: 14px; }
.xp .xpd-before-buy ol,
.xp .xpd-before-buy ul { margin: 0 !important; padding: 0 !important; list-style: none; }
.xp .xpd-before-buy li {
  position: relative;
  padding: 0 0 9px 15px;
  color: #60778f;
  font-size: 12px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}
.xp .xpd-before-buy li:before {
  content: '';
  position: absolute;
  top: 8px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #7aa5d4;
}
.xp .xpd-before-buy article > p { margin: 0; color: #60778f; font-size: 12px; line-height: 1.85; white-space: pre-wrap; overflow-wrap: anywhere; }
.xp .xpd-before-buy article > a { display: inline-block; margin-top: 12px; color: #477daf; font-size: 11px; }
.xp .xpd-audience {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-top: 16px;
  padding: 18px 20px;
  border-left: 3px solid #77aef0;
  border-radius: 5px 8px 8px 5px;
  background: #f5f9fe;
}
.xp .xpd-mini-label { padding-top: 2px; color: #517aa3; font-size: 12px; font-weight: 700; }
.xp .xpd-audience p { margin: 0; color: #5d758d; font-size: 13px; line-height: 1.9; white-space: pre-wrap; overflow-wrap: anywhere; }
.xp .xpd-route-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin: 28px 0 15px;
}
.xp .xpd-route-head h3 { margin-top: 5px; color: #304e6c; font-size: 16px; }
.xp .xpd-route-head > a { color: #4b82ba; font-size: 11px; white-space: nowrap; }
.xp .xpd-route-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
}
.xp .xpd-route-map li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  padding: 14px 13px;
  border: 1px solid #e1eaf4;
  border-radius: 8px;
  background: #fff;
}
.xp .xpd-route-map li:not(:last-child):after {
  content: '';
  position: absolute;
  z-index: 2;
  right: -7px;
  width: 12px;
  height: 12px;
  border-top: 1px solid #c7d8eb;
  border-right: 1px solid #c7d8eb;
  background: #fff;
  transform: rotate(45deg);
}
.xp .xpd-route-map li > span { flex: 0 0 auto; color: #6c99c8; font: 600 10px/1.4 system-ui, sans-serif; }
.xp .xpd-route-map li > div { min-width: 0; }
.xp .xpd-route-map b { display: block; color: #3f5e7d; font-size: 12px; line-height: 1.55; overflow-wrap: anywhere; }
.xp .xpd-route-map small { display: block; margin-top: 3px; color: #94a4b5; font-size: 9px; }

.xp .xpd-directory-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 19px; }
.xp .xpd-filter-buttons { display: flex; gap: 3px; padding: 3px; border-radius: 7px; background: #f0f4f9; }
.xp .xpd-filter-buttons button { padding: 7px 11px; border-radius: 5px; background: transparent; color: #70879f; font-size: 11px; white-space: nowrap; }
.xp .xpd-filter-buttons button.active { background: #fff; color: #3178c5; box-shadow: 0 2px 7px rgba(23, 62, 105, .09); }
.xp .xpd-filter-buttons small { margin-left: 3px; font-size: 9px; }
.xp .xpd-step-search { display: block; flex: 1; min-width: 145px; max-width: 205px; margin: 0 0 0 auto; }
.xp .xpd-step-search input { height: 36px; margin: 0; padding: 8px 11px; border-color: #dfe8f2; background: #fcfdff; font-size: 11px; }
.xp .xpd-expand { padding: 8px 1px; background: transparent; color: #6686a7; font-size: 11px; }
.xp .xpd-filter-status { margin: 0 0 12px; padding: 0 2px; color: #6687aa; font-size: 11px; }
.xp .xpd-stage { margin-bottom: 13px; overflow: hidden; border: 1px solid #e0e9f3; border-radius: 9px; }
.xp .xpd-stage:last-child { margin-bottom: 0; }
.xp .xpd-stage > summary {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 17px 18px;
  list-style: none;
  background: #f6f9fd;
  cursor: pointer;
  user-select: none;
}
.xp .xpd-stage > summary::-webkit-details-marker { display: none; }
.xp .xpd-stage-index { color: #6290c1; font: 600 10px/1.6 system-ui, sans-serif; }
.xp .xpd-stage h3 { color: #385775; font-size: 14px; font-weight: 700; }
.xp .xpd-stage summary small { margin-left: auto; color: #879caf; font-size: 10px; }
.xp .xpd-chevron { display: block; width: 7px; height: 7px; margin-left: 4px; border: solid #8aa3bd; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); transition: transform .2s; }
.xp .xpd-stage[open] .xpd-chevron { margin-top: 4px; transform: rotate(225deg); }
.xp .xpd-lesson-row {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 70px;
  padding: 17px 18px;
  border-top: 1px solid #e9eff6;
  transition: background .15s;
}
.xp .xpd-lesson-row:hover { background: #f8fbff; color: inherit; }
.xp .xpd-step-number { align-self: flex-start; min-width: 18px; padding-top: 4px; color: #9bacc0; font: 10px/1.5 system-ui, sans-serif; }
.xp .xpd-step-info { flex: 1; min-width: 0; }
.xp .xpd-step-info b { display: block; color: #45617d; font-size: 13px; font-weight: 600; line-height: 1.7; overflow-wrap: anywhere; }
.xp .xpd-step-info > span { display: block; margin-top: 4px; color: #94a5b6; font-size: 10px; }
.xp .xpd-step-state { color: #8fa1b3; font-size: 10px; white-space: nowrap; }
.xp .xpd-step-state.is-preview { padding: 4px 8px; border: 1px solid #cfe2f7; border-radius: 5px; background: #eff6ff; color: #4f82b7; }
.xp .xpd-step-arrow { color: #77a0cb; font-size: 13px; }
.xp .xpd-no-results,
.xp .xpd-no-resources { padding: 28px 18px; border: 1px dashed #d7e3f0; border-radius: 8px; background: #f8fafc; color: #7289a0; text-align: center; }
.xp .xpd-no-results p,
.xp .xpd-no-resources p { margin: 7px 0 0; color: #92a2b3; font-size: 11px; }
.xp .xpd-no-results button { margin-top: 8px; background: transparent; color: #347cc9; font-size: 11px; text-decoration: underline; }

.xp .xpd-count-label { flex: 0 0 auto; padding: 5px 9px; border-radius: 5px; background: #edf5ff; color: #5a82ac; font-size: 10px; }
.xp .xpd-resource { display: flex; align-items: center; gap: 15px; padding: 18px 0; border-top: 1px solid #e9eff6; }
.xp .xpd-resource:first-child { border-top: 0; }
.xp .xpd-file-type {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 42px;
  height: 49px;
  overflow: hidden;
  border: 1px solid #d6e4f3;
  border-radius: 6px 11px 6px 6px;
  background: #edf5ff;
  color: #5f8dbc;
  font: 600 9px/1.25 system-ui, sans-serif;
}
.xp .xpd-resource > div { flex: 1; min-width: 0; }
.xp .xpd-resource h3 { color: #405e7c; font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.xp .xpd-resource p { margin: 4px 0 0; color: #94a5b7; font-size: 10px; }
.xp .xpd-resource > a { padding: 8px; color: #4282c4; font-size: 12px; white-space: nowrap; }
.xp .xpd-resource-locked { color: #8fa3b8; font-size: 10px; white-space: nowrap; }

.xp .xpd-author-service { display: flex; gap: 16px; padding: 21px; border: 1px solid #dfeaf6; border-radius: 9px; background: #f5f9fe; }
.xp .xpd-avatar.large { width: 40px; height: 40px; font-size: 13px; }
.xp .xpd-author-service > div { min-width: 0; }
.xp .xpd-author-service b { display: block; color: #395978; font-size: 14px; }
.xp .xpd-author-service small { display: block; margin-top: 2px; color: #879caf; font-size: 10px; }
.xp .xpd-author-service p { margin: 10px 0 0; color: #667e96; font-size: 12px; line-height: 1.9; white-space: pre-wrap; overflow-wrap: anywhere; }
.xp .xpd-faq { margin-top: 20px; }
.xp .xpd-faq details { border-bottom: 1px solid #e9eff6; }
.xp .xpd-faq details:last-child { border-bottom: 0; }
.xp .xpd-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; list-style: none; color: #496783; font-size: 13px; cursor: pointer; }
.xp .xpd-faq summary::-webkit-details-marker { display: none; }
.xp .xpd-faq summary > span { color: #94abc1; font-size: 17px; transition: transform .2s; }
.xp .xpd-faq details[open] summary > span { transform: rotate(45deg); }
.xp .xpd-faq p { margin: 0 0 18px; padding-right: 30px; color: #71869c; font-size: 12px; line-height: 1.95; }

.xp .xpd-side { position: sticky; top: 20px; }
.xp .xpd-commerce {
  position: relative;
  overflow: hidden;
  padding: 27px;
  border: 1px solid #d8e5f3;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(29, 70, 114, .07);
}
.xp .xpd-commerce:before { content: ''; position: absolute; top: 0; right: 0; left: 0; height: 4px; background: linear-gradient(90deg, #1677ff, #67aaf8); }
.xp .xpd-commerce-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 22px; color: #688198; font-size: 12px; }
.xp .xpd-price-label { padding: 4px 7px; border-radius: 4px; background: #edf4fc; color: #7791aa; font-size: 9px; }
.xp .xpd-main-price { display: flex; align-items: baseline; gap: 5px; color: #145da7; }
.xp .xpd-main-price > small { font-size: 19px; font-weight: 700; }
.xp .xpd-main-price > strong { font: 750 41px/1.2 system-ui, sans-serif; letter-spacing: -1.7px; }
.xp .xpd-main-price > del { margin-left: 5px; color: #a2afbd; font-size: 12px; }
.xp .xpd-member-saving { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 16px; padding: 10px 12px; border: 1px solid #dceafb; border-radius: 7px; background: #eff6ff; color: #5182b4; font-size: 10px; }
.xp .xpd-member-saving b { font-size: 11px; font-weight: 600; }
.xp .xpd-price-note { margin: 11px 0 0; color: #8799ac; font-size: 11px; line-height: 1.8; }
.xp .xpd-included { margin-top: 22px; padding: 20px 0 10px; border-top: 1px solid #e8eef5; }
.xp .xpd-included > b { display: block; margin-bottom: 13px; color: #405f7d; font-size: 12px; }
.xp .xpd-included dl { margin: 0 0 17px; }
.xp .xpd-included dl > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 10px 0; font-size: 11px; }
.xp .xpd-included dt { color: #7c91a6; }
.xp .xpd-included dt:before { content: '✓'; margin-right: 8px; color: #4f91d5; }
.xp .xpd-included dd { margin: 0; color: #4f6b86; white-space: nowrap; }
.xp .xpd-commerce .xp-button { min-height: 48px; border-radius: 8px; background: var(--xpd-blue); font-size: 13px; }
.xp .xpd-commerce .xp-button:hover { background: var(--xpd-blue-dark); }
.xp .xpd-secondary-cta { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 10px; padding: 11px; border: 1px solid #d8e7f7; border-radius: 8px; background: #f9fcff; color: #5681ad; font-size: 12px; }
.xp .xpd-secondary-cta:hover { background: #eff6ff; }
.xp .xpd-purchase-caption { margin: 13px 0 0; color: #8b9daf; font-size: 10px; line-height: 1.85; text-align: center; }
.xp .xpd-owner-edit { display: block; margin-top: 17px; padding-top: 15px; border-top: 1px solid #e6edf5; color: #5b82a9; font-size: 11px; text-align: center; }
.xp .xpd-side-note { margin-top: 12px; padding: 18px 17px; border: 1px solid #e1e9f2; border-radius: 10px; background: #f8fafc; }
.xp .xpd-side-note > span { color: #52708e; font-size: 12px; font-weight: 700; }
.xp .xpd-side-note p { margin: 8px 0; color: #8193a5; font-size: 11px; line-height: 1.85; }
.xp .xpd-side-note a { color: #5684b2; font-size: 11px; }
.xp .xpd-commerce h2 { margin-bottom: 4px; font-size: 20px; }
.xp .xpd-owned-text { margin-top: 4px; color: #638a75; font-size: 11px; }
.xp .xpd-progress-label { display: flex; justify-content: space-between; margin-top: 18px; color: #8093a6; font-size: 10px; }
.xp .xpd-progress-label b { color: #3f81c6; font-weight: 600; }
.xp .xpd-commerce progress { display: block; margin: 11px 0 0; }
.xp .xpd-mobile-bar { display: none; }

@media (max-width: 1100px) {
  .xp .xpd-hero { grid-template-columns: minmax(0, 1.35fr) minmax(310px, .9fr); }
  .xp .xpd-hero-copy { padding: 38px 34px 32px; }
  .xp .xpd h1 { font-size: 32px; }
  .xp .xpd-preview-card { padding: 31px 28px; }
  .xp .xpd-layout { grid-template-columns: minmax(0, 1fr) 310px; gap: 21px; }
  .xp .xpd-section { padding: 27px; }
  .xp .xpd-section-nav { gap: 24px; padding: 0 20px; }
  .xp .xpd-route-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .xp .xpd-route-map li:nth-child(2n):after { display: none; }
  .xp .xpd-commerce { padding: 24px; }
}

@media (max-width: 900px) {
  .xp .xpd-hero { grid-template-columns: minmax(0, 1.2fr) minmax(285px, .8fr); }
  .xp .xpd h1 { font-size: 29px; }
  .xp .xpd-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 17px; }
  .xp .xpd-before-buy { grid-template-columns: 1fr; }
  .xp .xpd-before-buy article { padding: 18px; }
  .xp .xpd-section-nav { gap: 18px; padding: 0 17px; }
  .xp .xpd-section-nav small { display: none; }
  .xp .xpd-facts { gap: 11px; }
  .xp .xpd-facts dd { font-size: 15px; }
  .xp .xpd-step-search { max-width: none; }
}

@media (max-width: 760px) {
  .xp.xp-detail-page .xp-main { padding-bottom: 92px; }
  .xp.xp-detail-page .xp-footer { padding-bottom: 108px; }
  .xp .xpd-breadcrumb { align-items: flex-start; margin-bottom: 15px; font-size: 10px; }
  .xp .xpd-breadcrumb > div { gap: 7px; }
  .xp .xpd-breadcrumb > button { padding: 0; font-size: 10px; white-space: nowrap; }
  .xp .xpd-preview-note { padding: 9px 11px; font-size: 10px; }
  .xp .xpd-hero { grid-template-columns: 1fr; min-height: 0; margin-bottom: 17px; border-radius: 13px; }
  .xp .xpd-hero-copy { padding: 25px 22px 22px; }
  .xp .xpd-kicker { margin-bottom: 14px; font-size: 9px; }
  .xp .xpd h1 { font-size: 27px; line-height: 1.45; }
  .xp .xpd-summary { margin: 13px 0 16px; font-size: 12px; line-height: 1.9; }
  .xp .xpd-byline { gap: 7px; font-size: 10px; }
  .xp .xpd-hero-action { display: none; }
  .xp .xpd-facts { grid-template-columns: 1.2fr 1fr .65fr; gap: 8px; margin-top: 20px; padding-top: 18px; }
  .xp .xpd-facts dt { font-size: 9px; }
  .xp .xpd-facts dt small { display: block; margin-left: 0; font-size: 8px; }
  .xp .xpd-facts dd { font-size: 13px; line-height: 1.55; }
  .xp .xpd-preview-card { display: grid; grid-template-columns: 1fr auto; column-gap: 15px; padding: 21px 22px; border-top: 1px solid #dbe8f7; border-left: 0; }
  .xp .xpd-preview-top { grid-column: 1 / -1; margin-bottom: 8px; font-size: 10px; }
  .xp .xpd-content-count { margin-top: 0; }
  .xp .xpd-content-count b { font-size: 34px; }
  .xp .xpd-content-count small { font-size: 11px; }
  .xp .xpd-content-count > span { margin-top: 5px; font-size: 9px; }
  .xp .xpd-format-chips { align-self: center; justify-content: flex-end; max-width: 145px; margin: 8px 0 0; gap: 5px; }
  .xp .xpd-format-chips span { padding: 3px 6px; font-size: 8px; }
  .xp .xpd-preview-link { grid-column: 1 / -1; margin-top: 16px; padding: 12px; }
  .xp .xpd-preview-card > p { grid-column: 1 / -1; margin-top: 8px; font-size: 9px; }
  .xp .xpd-layout { display: flex; flex-direction: column; gap: 0; }
  .xp .xpd-maincol { width: 100%; }
  .xp .xpd-section-nav { top: 0; justify-content: space-between; gap: 0; margin-bottom: 15px; padding: 0 12px; border-radius: 8px; overflow-x: auto; }
  .xp .xpd-section-nav a { padding: 15px 0; font-size: 11px; }
  .xp .xpd-section { margin-bottom: 15px; padding: 23px 19px; scroll-margin-top: 68px; border-radius: 10px; }
  .xp .xpd-section-title { margin-bottom: 20px; }
  .xp .xpd h2 { font-size: 20px; }
  .xp .xpd-overline { font-size: 9px; }
  .xp .xpd-before-buy { gap: 10px; }
  .xp .xpd-before-buy article { padding: 17px 16px; }
  .xp .xpd-before-buy h3 { font-size: 13px; }
  .xp .xpd-before-buy li,
  .xp .xpd-before-buy article > p { font-size: 11px; }
  .xp .xpd-audience { grid-template-columns: 1fr; gap: 7px; padding: 16px; }
  .xp .xpd-audience p { font-size: 11px; }
  .xp .xpd-route-head { align-items: flex-start; margin-top: 24px; }
  .xp .xpd-route-head h3 { font-size: 14px; }
  .xp .xpd-route-head > a { display: none; }
  .xp .xpd-route-map { grid-template-columns: 1fr 1fr; gap: 7px; }
  .xp .xpd-route-map li { padding: 12px 10px; }
  .xp .xpd-route-map li:after { display: none; }
  .xp .xpd-directory-controls { gap: 9px; }
  .xp .xpd-filter-buttons button { padding: 6px 8px; font-size: 10px; }
  .xp .xpd-expand { margin-left: auto; font-size: 10px; }
  .xp .xpd-step-search { order: 3; flex-basis: 100%; width: 100%; max-width: none; margin: 0; }
  .xp .xpd-stage > summary { gap: 9px; padding: 14px 13px; }
  .xp .xpd-stage h3 { font-size: 12px; }
  .xp .xpd-stage summary small { font-size: 9px; }
  .xp .xpd-lesson-row { min-height: 62px; gap: 9px; padding: 14px 12px; }
  .xp .xpd-step-info b { font-size: 12px; }
  .xp .xpd-step-info > span { font-size: 9px; }
  .xp .xpd-step-state { max-width: 58px; font-size: 9px; line-height: 1.5; text-align: right; white-space: normal; }
  .xp .xpd-step-state.is-preview { padding: 3px 5px; white-space: nowrap; }
  .xp .xpd-step-arrow { display: none; }
  .xp .xpd-resource { gap: 11px; }
  .xp .xpd-resource h3 { font-size: 12px; }
  .xp .xpd-author-service { padding: 16px; }
  .xp .xpd-author-service p,
  .xp .xpd-faq p { font-size: 11px; }
  .xp .xpd-faq summary { padding: 16px 0; font-size: 12px; }
  .xp .xpd-side { position: static; width: 100%; }
  .xp .xpd-commerce { padding: 24px; }
  .xp .xpd-side-note { margin-bottom: 4px; }
  .xp .xpd-mobile-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 11px 16px calc(11px + env(safe-area-inset-bottom));
    border-top: 1px solid #dce6f1;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 -6px 25px rgba(24, 57, 92, .1);
    backdrop-filter: blur(12px);
  }
  .xp .xpd-mobile-bar > div { flex: 1; min-width: 0; }
  .xp .xpd-mobile-bar small { display: block; color: #7c91a6; font-size: 9px; }
  .xp .xpd-mobile-bar b { display: block; color: #1760a8; font-size: 16px; line-height: 1.5; white-space: nowrap; }
  .xp .xpd-mobile-bar .xp-button { min-height: 41px; padding: 10px 14px; background: var(--xpd-blue); font-size: 12px; }
  .xp .xpd-mobile-preview { color: #507ca8; font-size: 11px; white-space: nowrap; }
  .xp-detail-page #xp-toast { bottom: 95px; }
}

@media (max-width: 380px) {
  .xp .xpd h1 { font-size: 24px; }
  .xp .xpd-hero-copy { padding: 22px 18px 20px; }
  .xp .xpd-section { padding: 20px 16px; }
  .xp .xpd-route-map { grid-template-columns: 1fr; }
  .xp .xpd-mobile-bar { gap: 9px; padding-inline: 11px; }
  .xp .xpd-mobile-bar .xp-button { padding-inline: 11px; font-size: 11px; }
  .xp .xpd-mobile-bar b { font-size: 14px; }
  .xp .xpd-section-nav a { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .xp .xpd * { scroll-behavior: auto !important; transition: none !important; }
}