:root {
  --ink: #172033;
  --muted: #647086;
  --line: #dfe7f2;
  --soft: #f4f8fc;
  --blue: #195eb4;
  --blue-dark: #113f7f;
  --green: #0b8f76;
  --orange: #f08a2b;
  --navy: #102238;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
}

a {
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(223, 231, 242, 0.9);
  backdrop-filter: blur(12px);
}

.nav-wrap {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #0f2c53;
  font-weight: 800;
  min-width: 260px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex: 1;
  min-width: 0;
}

.site-nav a {
  color: #22304a;
  font-weight: 700;
}

.nav-call {
  color: var(--blue-dark);
  border: 1px solid #bcd2ef;
  border-radius: 999px;
  padding: 9px 16px;
  font-weight: 800;
  background: #eef6ff;
}

.home-hero,
.course-hero,
.page-head {
  color: #fff;
  background:
    radial-gradient(circle at 78% 18%, rgba(66, 190, 164, 0.32), transparent 28%),
    linear-gradient(135deg, #102238 0%, #173e72 52%, #0b7469 100%);
}

.home-hero {
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 78px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1fr);
  gap: 48px;
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.home-hero .eyebrow,
.course-hero .eyebrow {
  color: #9ef0dc;
}

.home-hero h1,
.course-hero h1,
.page-head h1 {
  font-size: 48px;
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 900;
}

.home-hero p,
.course-hero p,
.page-head p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  line-height: 1.8;
  max-width: 760px;
}

.page-head,
.course-hero {
  padding: 68px 0;
}

.page-head.compact {
  padding: 48px 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.hero-contact-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-contact-strip a {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 8px 13px;
  font-weight: 900;
}

.btn {
  border-radius: 8px;
  font-weight: 800;
}

.btn-primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 12px 28px rgba(25, 94, 180, 0.22);
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
  max-width: 520px;
}

.hero-stats div {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  font-size: 23px;
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.72);
}

.hero-trust-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-trust-list span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.hero-trust-list span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--green);
  margin-right: 7px;
  vertical-align: 1px;
}

.hero-visual {
  position: relative;
  min-height: 440px;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 560px;
  aspect-ratio: 1200 / 760;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
}

.section {
  padding: 64px 0;
}

.section.muted,
.quick-section {
  background: var(--soft);
}

.quick-section {
  padding: 24px 0;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}

.quick-grid a {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.quick-grid a:hover,
.course-card:hover,
.case-card:hover,
.faq-card:hover,
.list-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(21, 39, 64, 0.1);
}

.quick-grid strong,
.quick-grid span {
  display: block;
}

.quick-grid strong {
  margin-bottom: 6px;
}

.quick-grid span {
  color: var(--muted);
}

.plan-section {
  background: #fff;
}

.plan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.plan-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: #fff;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.plan-card:hover {
  transform: translateY(-2px);
  border-color: #b7d0ee;
  background: #fbfdff;
}

.plan-card span {
  display: inline-flex;
  align-self: flex-start;
  width: fit-content;
  margin-bottom: 12px;
  border-radius: 999px;
  padding: 5px 10px;
  background: #eef6ff;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 900;
}

.plan-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 900;
  text-wrap: balance;
}

.plan-card p {
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

.plan-card ul {
  margin: auto 0 0;
  padding-left: 18px;
  color: #32415a;
  line-height: 1.85;
}

@media (min-width: 1201px) {
  .plan-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .plan-card {
    grid-column: span 2;
  }

  .plan-card:nth-child(4),
  .plan-card:nth-child(5) {
    grid-column: span 3;
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
    grid-template-areas:
      "tag tag"
      "title title"
      "summary details";
    column-gap: 30px;
    align-content: start;
  }

  .plan-card:nth-child(4) > span,
  .plan-card:nth-child(5) > span {
    grid-area: tag;
    justify-self: start;
    align-self: start;
  }

  .plan-card:nth-child(4) > h3,
  .plan-card:nth-child(5) > h3 {
    grid-area: title;
    white-space: nowrap;
  }

  .plan-card:nth-child(4) > p,
  .plan-card:nth-child(5) > p {
    grid-area: summary;
    margin-bottom: 0;
  }

  .plan-card:nth-child(4) > ul,
  .plan-card:nth-child(5) > ul {
    grid-area: details;
    margin: 0;
  }
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.section-title h2 {
  font-size: 31px;
  margin: 0;
  font-weight: 900;
}

.section-subtitle {
  max-width: 640px;
  color: var(--muted);
  line-height: 1.75;
  margin: 8px 0 0;
}

.section-title > a {
  color: var(--blue);
  font-weight: 800;
}

.course-grid,
.case-grid,
.reason-grid,
.faq-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.course-card,
.case-card,
.faq-card,
.list-item,
.content-block,
.consult-box,
.side-list,
.reason-grid > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 22px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.course-card {
  display: grid;
  align-content: space-between;
  min-height: 360px;
}

.course-card-cover {
  display: block;
  width: 100% !important;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  background: #eef4fb;
  margin-bottom: 14px;
}

.course-card a,
.case-card a,
.faq-card a,
.list-item a,
.side-list a {
  color: inherit;
}

.course-card-topline {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.card-tag,
.case-card span,
.course-category-tag {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 13px;
}

.card-tag,
.case-card span {
  color: var(--green);
  background: #e9f8f3;
}

.course-category-tag {
  color: var(--blue-dark);
  background: #eaf2ff;
}

.course-card h2,
.course-card h3,
.case-card h2,
.case-card h3,
.faq-card h2,
.faq-card h3,
.list-item h2,
.list-item h3 {
  font-size: 20px;
  line-height: 1.35;
  margin-bottom: 10px;
  font-weight: 900;
}

.course-card p,
.case-card p,
.faq-card p,
.list-item p,
.reason-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.card-meta,
.course-card-facts {
  color: var(--orange);
  font-weight: 900;
  margin: 14px 0;
}

.course-card-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.course-card-facts span,
.course-card-fit {
  border: 1px solid #dbe7f6;
  border-radius: 8px;
  background: #f7fbff;
  padding: 8px 10px;
}

.course-card-fit {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.course-card dl {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 6px 10px;
  color: var(--muted);
  margin-bottom: 18px;
}

.course-card dt {
  color: var(--ink);
  font-weight: 900;
}

.course-card dd {
  margin: 0;
}

.case-card strong {
  color: var(--blue-dark);
}

.case-card-result {
  display: grid;
  gap: 6px;
  border: 1px solid #dbe7f6;
  border-radius: 8px;
  background: #f7fbff;
  padding: 12px;
  margin-bottom: 12px;
}

.case-card-result strong {
  color: var(--blue-dark);
  font-size: 17px;
}

.case-card-result em {
  color: var(--orange);
  font-style: normal;
  font-weight: 900;
}

.case-card b {
  display: block;
  color: var(--green);
  font-weight: 900;
  line-height: 1.55;
}

.case-result-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  border: 1px solid #bad4f5;
  border-radius: 8px;
  background: linear-gradient(135deg, #f5f9ff, #eefaf6);
  padding: 24px;
  margin-bottom: 18px;
}

.case-result-panel h2 {
  margin: 0 0 8px;
  font-size: 25px;
  font-weight: 900;
}

.case-result-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.case-result-strip {
  margin-bottom: 18px;
}

.case-story-card {
  display: grid;
  gap: 20px;
}

.case-before-after {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.case-before-after section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 18px;
}

.case-before-after span,
.case-achievement-box span {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  background: #eaf2ff;
  color: var(--blue-dark);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 10px;
}

.case-before-after h2 {
  margin: 0 0 8px;
  font-size: 21px;
}

.case-before-after p {
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}

.case-achievement-box {
  border: 1px solid #bfe6d8;
  border-radius: 8px;
  background: #f1fbf7;
  padding: 18px;
}

.case-achievement-box span {
  background: #dff7ed;
  color: #087456;
}

.case-achievement-box strong {
  display: block;
  color: var(--green);
  font-size: 22px;
  line-height: 1.55;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.category-strip,
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tag-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: -8px 0 24px;
}

.category-strip span,
.filter-bar a,
.tag-strip a {
  background: #eaf2ff;
  color: #17457d;
  border: 1px solid #cfe0f7;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 800;
}

.tag-strip a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #f6fbf8;
  color: #08745e;
  border-color: #c7eadc;
}

.tag-strip span,
.tag-side-list span {
  color: var(--muted);
  font-size: 12px;
}

.filter-bar a.active {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.search-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.empty-state {
  margin-top: 18px;
  padding: 22px;
  border: 1px dashed #b9cbe2;
  border-radius: 8px;
  background: #f8fbff;
  color: var(--muted);
  text-align: center;
  font-weight: 800;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 26px;
}

.sidebar {
  display: grid;
  align-content: start;
  gap: 16px;
  position: sticky;
  top: 92px;
}

.side-list a {
  display: block;
  border-bottom: 1px solid #edf0f5;
  padding: 10px 0;
}

.prev-next {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.prev-next a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--blue-dark);
  padding: 14px 16px;
  font-weight: 800;
}

.rich-text {
  line-height: 1.9;
}

.rich-text p,
.rich-text ul,
.rich-text ol,
.rich-text blockquote,
.rich-text table {
  margin-bottom: 14px;
}

.rich-text h2,
.rich-text h3,
.rich-text h4 {
  margin: 22px 0 12px;
  font-weight: 900;
}

.rich-text ul,
.rich-text ol {
  padding-left: 22px;
}

.rich-text table {
  width: 100%;
  border-collapse: collapse;
}

.rich-text th,
.rich-text td {
  border: 1px solid var(--line);
  padding: 10px;
}

.rich-text img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.breadcrumb-line {
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 14px;
}

.breadcrumb-line a {
  color: #fff;
}

.course-summary-strip,
.result-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.result-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.course-summary-strip div,
.result-strip div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.course-summary-strip span,
.result-strip span {
  display: block;
  color: var(--muted);
}

.course-summary-strip strong,
.result-strip strong {
  display: block;
  margin-top: 5px;
  font-size: 20px;
}

.course-landing-hero {
  padding-bottom: 46px;
}

.course-hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 480px);
  gap: 36px;
  align-items: center;
}

.course-hero-cover {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  padding: 10px;
  box-shadow: 0 24px 64px rgba(5, 20, 39, 0.26);
}

.course-hero-cover img {
  display: block;
  width: 100% !important;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  background: #fff;
}

.course-hero-quick {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.course-hero-quick span {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.88);
  padding: 7px 12px;
  font-size: 14px;
  font-weight: 800;
}

.course-hero-mobile-cta {
  display: none;
}

.course-hero-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.course-hero-points div {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 15px;
}

.course-hero-points span,
.course-hero-points strong {
  display: block;
}

.course-hero-points span {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 5px;
}

.course-anchor-section {
  position: sticky;
  top: 70px;
  z-index: 12;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.course-anchor-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.course-anchor-bar a {
  border: 1px solid #cfe0f7;
  border-radius: 999px;
  color: var(--blue-dark);
  background: #f3f8ff;
  padding: 8px 13px;
  font-weight: 800;
}

.course-detail-layout {
  align-items: start;
}

.course-intro-card {
  background: linear-gradient(180deg, #fff, #f8fbff);
}

.course-value-grid,
.course-outline-grid,
.course-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.course-value-grid div,
.course-outline-grid div,
.course-mini-grid a,
.course-faq-list a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 16px;
  color: inherit;
}

.course-value-grid strong,
.course-value-grid span,
.course-outline-grid span,
.course-outline-grid strong,
.course-mini-grid strong,
.course-mini-grid span,
.course-mini-grid p,
.course-faq-list strong,
.course-faq-list p {
  display: block;
}

.course-value-grid span,
.course-mini-grid p,
.course-faq-list p {
  color: var(--muted);
  margin: 6px 0 0;
}

.course-outline-grid span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: var(--blue);
  font-weight: 900;
  margin-bottom: 10px;
}

.fit-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.fit-list div {
  border: 1px solid #cfe0f7;
  border-radius: 999px;
  background: #f3f8ff;
  color: var(--blue-dark);
  padding: 9px 14px;
  font-weight: 800;
}

.course-decision-card {
  background: linear-gradient(135deg, #ffffff, #f4f9ff);
}

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

.decision-grid div {
  min-height: 160px;
  border: 1px solid #d8e7ff;
  border-radius: 8px;
  background: #fff;
  padding: 18px;
}

.decision-grid span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: #e8f2ff;
  color: var(--blue);
  font-weight: 900;
  margin-bottom: 12px;
}

.decision-grid strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
  margin-bottom: 8px;
}

.decision-grid p {
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}

.course-price-note {
  border-color: #ffd6aa;
  background: #fffaf3;
}

.conversion-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin: 18px 0;
  border: 1px solid #bad4f5;
  border-radius: 8px;
  background: linear-gradient(135deg, #f5f9ff, #eefaf6);
  padding: 24px;
}

.conversion-panel h2 {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 900;
}

.conversion-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.article-conversion {
  margin-top: 18px;
}

.course-faq-list {
  display: grid;
  gap: 10px;
}

.inner-title {
  margin-bottom: 16px;
}

.inner-title h2 {
  font-size: 24px;
}

.strong-consult {
  border-color: #bad4f5;
  background: #f5f9ff;
}

.course-side-note ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.lead-section {
  background: linear-gradient(135deg, #102238, #123a5f);
  color: #fff;
  padding: 58px 0;
}

.lead-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 36px;
  align-items: start;
}

.lead-copy h2 {
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 12px;
}

.lead-copy p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
  max-width: 680px;
}

.lead-form {
  display: grid;
  gap: 12px;
  background: #fff;
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.18);
}

.lead-form p {
  color: var(--muted);
  margin: 0;
  font-size: 13px;
}

.lead-field {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.lead-field span {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lead-field b {
  color: #b42318;
  font-size: 12px;
  font-weight: 800;
}

.lead-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.42);
    outline-offset: 3px;
}

.lead-success {
  border: 1px solid #b8e6d6;
  border-radius: 8px;
  background: #ecfbf5;
  color: #08745e;
  padding: 12px 14px;
  font-weight: 900;
}

.form-control {
  border-radius: 8px;
  border-color: #d5dfec;
  min-height: 44px;
}

.contact-lines {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  color: #d9e7ff;
  font-weight: 800;
}

.wechat-card {
  width: min(520px, 100%);
  display: grid;
  grid-template-columns: 148px 1fr;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  padding: 14px;
}

.wechat-card img {
  width: 148px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 10px;
  background: #fff;
}

.wechat-card strong,
.wechat-card span {
  display: block;
}

.wechat-card strong {
  color: #fff;
  font-size: 20px;
  margin-bottom: 8px;
}

.wechat-card span {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}

.site-footer {
  background: #1f2429;
  color: #fff;
  padding: 34px 0;
}

.footer-simple {
  display: grid;
  gap: 8px;
  justify-items: center;
  text-align: center;
}

.footer-simple strong {
  color: #fff;
  font-size: 18px;
  font-weight: 900;
}

.footer-simple p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
  margin: 0;
}

.footer-records {
  display: flex;
  gap: 12px 22px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-records span {
  color: #fff;
  font-weight: 800;
}

.float-consult {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 30;
  display: grid;
  gap: 8px;
}

.float-consult a {
  background: var(--blue);
  color: #fff;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(13, 110, 253, 0.26);
  transition: transform 0.16s ease, filter 0.16s ease;
}

.float-consult a:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .quick-grid a:hover,
  .course-card:hover,
  .case-card:hover,
  .faq-card:hover,
  .list-item:hover,
  .plan-card:hover,
  .float-consult a:hover {
    transform: none;
  }
}

.float-consult a:first-child {
  background: var(--green);
}

.float-wechat {
  position: relative;
}

.float-wechat span {
  position: absolute;
  right: calc(100% + 12px);
  bottom: 0;
  width: 168px;
  display: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  padding: 10px;
  box-shadow: 0 16px 42px rgba(16, 34, 56, 0.2);
}

.float-wechat:hover span,
.float-wechat:focus span {
  display: block;
}

.float-wechat img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

.float-wechat b {
  display: block;
  color: var(--ink);
  font-size: 13px;
  margin-top: 6px;
  text-align: center;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.video-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.08);
}

.video-card a {
  color: inherit;
}

.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(25, 94, 180, 0.9), rgba(11, 143, 118, 0.85)),
    var(--soft);
  color: #fff;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-thumb strong {
  position: absolute;
  left: 16px;
  bottom: 14px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(16, 34, 56, 0.76);
  font-size: 13px;
}

.video-thumb span {
  font-size: 22px;
  font-weight: 900;
}

.video-body {
  padding: 18px;
}

.video-body span,
.video-meta {
  color: var(--muted);
  font-size: 14px;
}

.video-body h2,
.video-body h3 {
  margin: 8px 0;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.35;
}

.video-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.download-intro {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  margin-bottom: 22px;
}

.download-intro h2 {
  margin: 6px 0 0;
  font-size: 30px;
  font-weight: 900;
}

.download-intro p {
  max-width: 720px;
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.download-intro .download-center-note {
  display: inline-flex;
  max-width: 100%;
  margin-top: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef6ff;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.download-feature-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 24px;
}

.download-feature-row div {
  padding: 16px 18px;
  border: 1px solid #d7e6fb;
  border-radius: 8px;
  background: linear-gradient(180deg, #f8fbff, #fff);
}

.download-feature-row strong,
.download-feature-row span {
  display: block;
}

.download-feature-row strong {
  color: var(--ink);
  font-weight: 900;
}

.download-feature-row span {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.download-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.08);
}

.download-card a {
  color: inherit;
}

.download-cover {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(11, 143, 118, 0.92), rgba(25, 94, 180, 0.88)),
    var(--soft);
  color: #fff;
  overflow: hidden;
}

.download-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.download-cover span {
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  font-size: 18px;
  font-weight: 900;
}

.download-body {
  padding: 18px;
}

.download-tags,
.download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.download-tags span {
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--blue);
  font-weight: 800;
}

.download-body h2 {
  margin: 12px 0 8px;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.35;
}

.download-body p {
  min-height: 52px;
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
}

.download-detail-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 20px;
  align-items: start;
  margin-bottom: 20px;
}

.download-detail-head h2 {
  margin: 8px 0 10px;
  font-size: 32px;
  font-weight: 900;
}

.download-file-badge {
  display: grid;
  gap: 8px;
  place-items: center;
  padding: 22px 14px;
  border: 1px solid #cfe0ff;
  border-radius: 8px;
  background: #f4f8ff;
  color: var(--blue);
  text-align: center;
}

.download-file-badge strong {
  font-size: 26px;
  font-weight: 900;
}

.download-file-badge span {
  color: var(--muted);
}

.download-detail-cover {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.download-intro-panel {
  padding: 24px;
  border: 1px solid #dce8f5;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(238, 246, 255, 0.96), rgba(255, 255, 255, 0.98) 56%, rgba(238, 250, 247, 0.94));
  box-shadow: 0 14px 34px rgba(23, 39, 66, 0.07);
}

.download-intro-panel h2 {
  text-wrap: balance;
}

.download-category-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 2px 0 26px;
}

.download-category-bar a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid #cfe0f7;
  border-radius: 999px;
  background: #f6fbff;
  color: #17457d;
  font-weight: 800;
  transition: transform 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

.download-category-bar a:hover {
  transform: translateY(-1px);
  border-color: #9fc0e8;
  background: #eef6ff;
}

.download-category-bar a.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.download-category-bar span {
  min-width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--blue);
  font-size: 12px;
}

.download-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.download-card a {
  display: grid;
  height: 100%;
}

.download-body {
  display: grid;
  align-content: start;
}

.download-card-cta {
  display: inline-flex;
  justify-content: center;
  margin-top: 2px;
  padding: 9px 12px;
  border-radius: 8px;
  background: #eef6ff;
  color: var(--blue);
  font-weight: 900;
}

.download-card:hover .download-card-cta {
  background: var(--blue);
  color: #fff;
}

.download-empty {
  padding: 34px;
  border: 1px dashed #b7d0ee;
  border-radius: 12px;
  background: #f8fbff;
  text-align: center;
}

.download-empty h2 {
  margin: 0 0 10px;
  font-size: 26px;
  font-weight: 900;
}

.download-empty p {
  max-width: 620px;
  margin: 0 auto 18px;
  color: var(--muted);
  line-height: 1.7;
}

.download-guide {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(420px, 1fr);
  gap: 26px;
  align-items: start;
  margin-top: 34px;
  padding: 28px;
  border-radius: 12px;
  background: #102238;
  color: #fff;
}

.download-guide h2 {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 900;
}

.download-guide p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
}

.download-guide ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.download-guide li {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
}

.download-guide strong,
.download-guide span {
  display: block;
}

.download-guide strong {
  margin-bottom: 6px;
  color: #9ef0dc;
}

.download-guide span {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.65;
}

.download-use-panel {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid #d7e6fb;
  border-radius: 10px;
  background: linear-gradient(180deg, #f8fbff, #fff);
}

.download-use-panel h2 {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 900;
}

.download-use-panel div {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.download-use-panel span {
  display: block;
  padding: 14px;
  border-radius: 8px;
  background: #fff;
  color: #33425a;
  line-height: 1.65;
}

.download-use-panel strong {
  display: inline-grid;
  width: 26px;
  height: 26px;
  margin-right: 8px;
  place-items: center;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
}

.video-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: #0f1726;
}

.video-player iframe,
.video-player img {
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.video-player video {
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: contain;
  background: #0f1726;
}

.video-player.is-portrait-video {
  width: min(430px, 100%);
  aspect-ratio: 9 / 16;
  margin-inline: auto;
}

.video-player.is-landscape-video {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.video-placeholder {
  color: #fff;
  font-weight: 900;
}

.video-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 16px 0;
}

.video-meta a {
  color: var(--blue);
  font-weight: 800;
}

.job-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.job-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.08);
}

.job-card a {
  display: block;
  height: 100%;
  padding: 22px;
  color: inherit;
}

.job-card-top,
.job-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.job-card-top span {
  color: var(--green);
  font-weight: 900;
}

.job-card-top strong {
  color: var(--orange);
  font-size: 22px;
}

.job-card h2,
.job-card h3 {
  margin: 16px 0 10px;
  font-size: 21px;
  font-weight: 900;
  line-height: 1.35;
}

.job-card p {
  min-height: 76px;
  color: var(--muted);
  line-height: 1.7;
}

.job-meta {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.detail-cover {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 22px;
}

.teacher-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.teacher-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.08);
}

.teacher-card a {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 18px;
  height: 100%;
  padding: 22px;
  color: inherit;
}

.teacher-avatar {
  width: 86px;
  height: 86px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #fff;
  font-size: 28px;
  font-weight: 900;
}

.teacher-avatar.large {
  width: 118px;
  height: 118px;
  font-size: 36px;
}

.teacher-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.teacher-card span,
.teacher-profile-head span {
  color: var(--green);
  font-weight: 900;
}

.teacher-card h2,
.teacher-card h3,
.teacher-profile-head h2,
.teacher-profile-head h3 {
  margin: 6px 0 10px;
  font-size: 24px;
  font-weight: 900;
}

.teacher-card p,
.teacher-profile-head p {
  color: var(--muted);
  line-height: 1.7;
}

.teacher-card strong {
  color: var(--blue-dark);
}

.teacher-profile-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 1200px) {
  .course-grid,
  .case-grid,
  .reason-grid,
  .faq-list,
  .plan-grid,
  .quick-grid,
  .video-grid,
  .job-grid,
  .teacher-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plan-card {
    grid-column: auto;
  }

  .plan-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 992px) {
  .nav-wrap {
    align-items: stretch;
    flex-direction: column;
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 10px;
  }

  .brand {
    min-width: 0;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 3px;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    flex: 0 0 auto;
    border: 1px solid #d8e6f7;
    border-radius: 999px;
    background: #f5f9ff;
    padding: 7px 12px;
    font-size: 14px;
  }

  .nav-call {
    display: none;
  }

  .hero-grid,
  .course-hero-main,
  .detail-layout,
  .lead-wrap,
  .footer-grid,
  .article-list,
  .case-result-panel,
  .case-before-after,
  .course-summary-strip,
  .result-strip,
  .course-hero-points,
  .course-value-grid,
  .course-outline-grid,
  .decision-grid,
  .course-mini-grid,
  .conversion-panel {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .home-hero h1,
  .course-hero h1,
  .page-head h1 {
    font-size: 36px;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-contact-strip a {
    flex: 1 1 220px;
    text-align: center;
  }

  .course-anchor-section {
    position: static;
  }

  .course-anchor-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .course-anchor-bar::-webkit-scrollbar {
    display: none;
  }

  .course-anchor-bar a {
    flex: 0 0 auto;
  }

  .course-hero-cover {
    max-width: 560px;
  }
}

@media (max-width: 640px) {
  .home-hero,
  .page-head,
  .course-hero {
    padding: 34px 0;
  }

  .home-hero {
    min-height: auto;
  }

  .home-hero h1,
  .course-hero h1,
  .page-head h1 {
    font-size: 28px;
  }

  .home-hero p,
  .course-hero p,
  .page-head p {
    font-size: 16px;
    line-height: 1.7;
  }

  .course-landing-hero {
    padding-bottom: 28px;
  }

  .course-hero-main {
    gap: 20px;
  }

  .course-hero-cover {
    padding: 6px;
    border-radius: 10px;
    box-shadow: 0 14px 36px rgba(5, 20, 39, 0.2);
  }

  .course-hero-cover img {
    max-height: 220px;
  }

  .course-hero-quick {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .course-hero-quick span {
    text-align: center;
  }

  .hero-actions .btn,
  .conversion-panel .btn {
    width: 100%;
  }

  .hero-contact-strip {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-contact-strip a {
    width: 100%;
    padding: 10px 12px;
  }

  .hero-trust-list {
    gap: 8px 12px;
  }

  .hero-trust-list span {
    flex: 1 1 100%;
  }

  .hero-stats {
    margin-top: 22px;
  }

  .course-hero-points {
    gap: 8px;
    margin-top: 18px;
  }

  .course-hero-points div {
    padding: 12px;
  }

  .course-hero-points strong {
    font-size: 15px;
  }

  .course-hero-mobile-cta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 12px;
  }

  .course-grid,
  .case-grid,
  .reason-grid,
  .faq-list,
  .plan-grid,
  .quick-grid,
  .video-grid,
  .download-grid,
  .download-feature-row,
  .job-grid,
  .teacher-grid,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .plan-card:last-child {
    grid-column: auto;
  }

  .download-intro,
  .download-detail-head {
    grid-template-columns: 1fr;
  }

  .download-intro {
    align-items: start;
    flex-direction: column;
  }

  .download-guide,
  .download-use-panel div {
    grid-template-columns: 1fr;
  }

  .download-guide ol {
    grid-template-columns: 1fr;
  }

  .teacher-card a,
  .teacher-profile-head,
  .search-panel {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 36px 0;
  }

  .section-title h2,
  .lead-copy h2 {
    font-size: 25px;
  }

  .course-card,
  .case-card,
  .faq-card,
  .list-item,
  .content-block,
  .consult-box,
  .side-list,
  .reason-grid > div,
  .conversion-panel,
  .lead-form {
    padding: 18px;
  }

  .course-card {
    min-height: auto;
  }

  .course-card-facts {
    grid-template-columns: 1fr;
    margin: 12px 0;
  }

  .course-card-fit {
    margin-bottom: 14px;
  }

  .course-card h2,
  .course-card h3 {
    font-size: 19px;
  }

  .case-result-panel {
    padding: 18px;
  }

  .case-result-panel .btn {
    width: 100%;
  }

  .case-result-panel h2 {
    font-size: 22px;
  }

  .case-achievement-box strong {
    font-size: 19px;
  }

  .course-anchor-section {
    padding: 8px 0;
  }

  .course-anchor-bar a {
    padding: 7px 11px;
    font-size: 13px;
  }

  .course-value-grid div,
  .course-outline-grid div,
  .course-mini-grid a,
  .course-faq-list a,
  .decision-grid div {
    padding: 14px;
  }

  .section-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .float-consult {
    left: 10px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    padding: 6px;
    border: 1px solid rgba(186, 212, 245, 0.8);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 14px 34px rgba(16, 34, 56, 0.2);
  }

  .float-wechat span {
    display: none !important;
  }

  .float-consult a {
    display: grid;
    min-height: 44px;
    place-items: center;
    text-align: center;
    padding: 9px 6px;
    font-size: 13px;
    line-height: 1.15;
    box-shadow: none;
  }

  body {
    padding-bottom: calc(78px + env(safe-area-inset-bottom));
  }
}

/* 2026-06 visual refresh: front office conversion UI */
:root {
  --brand-blue: #155aa8;
  --brand-blue-2: #0d3e78;
  --brand-teal: #0b8f76;
  --brand-gold: #f3a53c;
  --page-bg: #f6f9fd;
  --card-shadow: 0 18px 42px rgba(23, 39, 66, 0.09);
}

body {
  background:
    linear-gradient(180deg, #ffffff 0%, #ffffff 58%, #f7fafe 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.site-header {
  box-shadow: 0 10px 28px rgba(14, 37, 72, 0.06);
}

.nav-wrap {
  min-height: 76px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border: 1px solid #dce9f7;
  box-shadow: 0 8px 20px rgba(21, 90, 168, 0.1);
}

.brand span {
  font-size: 17px;
  letter-spacing: 0;
}

.site-nav a {
  position: relative;
  padding: 8px 2px;
  transition: color 0.18s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-teal));
  transition: transform 0.18s ease;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--brand-blue);
}

.site-nav a:hover::after,
.site-nav a:focus::after {
  transform: scaleX(1);
}

.nav-call {
  border-color: #cfe0f7;
  background: linear-gradient(180deg, #f6fbff, #eaf4ff);
  box-shadow: 0 10px 24px rgba(21, 90, 168, 0.12);
}

.home-hero,
.course-hero,
.page-head {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(16, 34, 56, 0.98) 0%, rgba(22, 65, 117, 0.96) 48%, rgba(6, 125, 112, 0.94) 100%);
}

.home-hero::before,
.course-hero::before,
.page-head::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.16);
  pointer-events: none;
}

.home-hero .container,
.course-hero .container,
.page-head .container {
  position: relative;
  z-index: 1;
}

.home-hero h1,
.course-hero h1,
.page-head h1 {
  max-width: 900px;
  letter-spacing: 0;
  text-wrap: balance;
}

.home-hero p,
.course-hero p,
.page-head p {
  color: rgba(255, 255, 255, 0.82);
}

.eyebrow {
  gap: 8px;
  letter-spacing: 0;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(11, 143, 118, 0.12);
}

.home-hero .eyebrow::before,
.course-hero .eyebrow::before,
.page-head .eyebrow::before {
  box-shadow: 0 0 0 4px rgba(158, 240, 220, 0.14);
}

.btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, #1767c9, #0d55ad);
  border-color: #1767c9;
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0d55ad, #0b448a);
  color: #fff;
}

a.btn.btn-primary,
button.btn.btn-primary,
.course-card > .btn.btn-primary {
  color: #fff;
}

.home-hero .btn-light,
.course-hero .btn-light {
  color: #123b70;
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.94);
}

.hero-visual img,
.course-hero-cover {
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-stats div,
.course-hero-points div {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.hero-stats strong,
.course-hero-points strong {
  color: #fff;
}

.quick-section {
  border-bottom: 1px solid #e2ebf6;
  background: linear-gradient(180deg, #f7fbff, #eef6ff);
}

.quick-grid a,
.course-card,
.case-card,
.faq-card,
.list-item,
.content-block,
.consult-box,
.side-list,
.reason-grid > div,
.video-card,
.download-card,
.job-card,
.teacher-card {
  border-color: #dce8f5;
  box-shadow: 0 10px 26px rgba(23, 39, 66, 0.055);
}

.quick-grid a:hover,
.course-card:hover,
.case-card:hover,
.faq-card:hover,
.list-item:hover,
.video-card:hover,
.download-card:hover,
.job-card:hover,
.teacher-card:hover {
  border-color: #b7d0ee;
  box-shadow: var(--card-shadow);
}

.section {
  position: relative;
}

.section.muted {
  background: linear-gradient(180deg, #f7fbff, #f1f6fc);
}

.section-title {
  margin-bottom: 28px;
}

.section-title h2,
.content-block h2,
.consult-box h2,
.side-list h2 {
  letter-spacing: 0;
}

.section-title h2 {
  text-wrap: balance;
}

.course-card {
  overflow: hidden;
  padding: 0;
}

.course-card > a:first-child {
  display: block;
  padding: 16px 16px 0;
}

.course-card > .btn {
  width: calc(100% - 32px) !important;
  margin: 0 16px 16px;
}

.course-card-cover {
  margin: -1px -1px 14px;
  width: calc(100% + 2px) !important;
  max-width: calc(100% + 2px);
  border-radius: 8px 8px 0 0;
}

.course-card h2,
.course-card h3,
.case-card h2,
.case-card h3,
.faq-card h2,
.faq-card h3,
.list-item h2,
.list-item h3 {
  color: #12213a;
}

.course-card p,
.case-card p,
.faq-card p,
.list-item p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.card-tag,
.course-category-tag,
.download-tags span {
  letter-spacing: 0;
}

.reason-grid > div {
  background:
    linear-gradient(180deg, #fff, #f8fbff);
}

.reason-grid > div strong {
  display: block;
  margin-bottom: 8px;
  color: #123b70;
  font-size: 19px;
}

.lead-section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, #102238 0%, #123d71 58%, #086f64 100%);
}

.lead-section::before {
  display: none;
}

.lead-wrap {
  position: relative;
  z-index: 1;
}

.lead-form {
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.lead-form .form-control {
  background: #f8fbff;
}

.lead-form .form-control:focus {
  background: #fff;
  border-color: #8ebcf4;
  box-shadow: 0 0 0 4px rgba(25, 94, 180, 0.12);
}

.wechat-card {
  backdrop-filter: blur(8px);
}

.site-footer {
  background: #1e2329;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.float-consult a {
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.float-consult a:hover {
  filter: brightness(1.04);
}

.page-head {
  padding: 74px 0 66px;
}

.filter-bar,
.category-strip,
.tag-strip {
  padding: 6px 0;
}

.filter-bar a,
.category-strip span,
.tag-strip a,
.course-anchor-bar a {
  box-shadow: 0 8px 18px rgba(21, 90, 168, 0.06);
}

.detail-layout {
  align-items: start;
}

.content-block {
  margin-bottom: 18px;
}

.content-block > h2:first-child,
.content-block .eyebrow + h2 {
  font-size: 28px;
}

.sidebar .consult-box,
.sidebar .side-list {
  box-shadow: 0 12px 30px rgba(23, 39, 66, 0.07);
}

.strong-consult {
  position: relative;
  overflow: hidden;
}

.strong-consult::after {
  display: none;
}

@media (max-width: 992px) {
  .site-nav a::after {
    display: none;
  }

  .site-nav a {
    padding: 7px 12px;
  }

  .brand {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand span {
    font-size: 16px;
  }

  .course-card > a:first-child {
    padding: 14px 14px 0;
  }

  .course-card > .btn {
    width: calc(100% - 28px) !important;
    margin: 0 14px 14px;
  }

  .download-intro-panel,
  .download-guide,
  .download-empty {
    padding: 18px;
    border-radius: 10px;
  }

  .download-category-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .download-category-bar::-webkit-scrollbar {
    display: none;
  }

  .download-category-bar a {
    flex: 0 0 auto;
  }

  .content-block > h2:first-child,
  .content-block .eyebrow + h2 {
    font-size: 23px;
  }
}