:root {
  --xm-yellow: #ffd84d;
  --xm-yellow-strong: #f1b900;
  --xm-ink: #17202a;
  --xm-muted: #5b6573;
  --xm-line: #dfe4ea;
  --xm-paper: #ffffff;
  --xm-soft: #f5f7f9;
  --xm-blue: #1769e0;
  --xm-green: #16845b;
  --xm-red: #b83b3b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.seo-home,
body.seo-enhanced {
  color: var(--xm-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

body.seo-home {
  margin: 0;
  background: var(--xm-paper);
  line-height: 1.65;
}

.seo-container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.seo-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 68px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--xm-line);
}

.seo-header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--xm-ink);
  font-weight: 800;
  text-decoration: none;
}

.seo-brand img {
  width: 106px;
  height: 38px;
  object-fit: contain;
}

.seo-brand span {
  padding-left: 12px;
  border-left: 1px solid var(--xm-line);
  font-size: 14px;
  font-weight: 700;
}

.seo-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.seo-nav a {
  color: #364150;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
}

.seo-nav a:hover,
.seo-nav a:focus-visible {
  color: var(--xm-blue);
}

.seo-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid var(--xm-ink);
  border-radius: 6px;
  color: var(--xm-ink);
  background: var(--xm-yellow);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.seo-button:hover,
.seo-button:focus-visible {
  color: var(--xm-ink);
  box-shadow: 0 6px 16px rgba(23, 32, 42, 0.14);
  transform: translateY(-1px);
}

.seo-button.secondary {
  background: var(--xm-paper);
  border-color: #abb4bf;
}

.seo-button.dark {
  color: #fff;
  background: var(--xm-ink);
}

.seo-hero {
  min-height: 560px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: #f8fafc;
  background-image: url("/d/file/p/59fa47ed9fc9b7e523c162ac9c4d511c.png");
  background-position: center right;
  background-repeat: no-repeat;
  background-size: auto 100%;
  border-bottom: 1px solid var(--xm-line);
}

.seo-hero::before {
  content: "";
  position: absolute;
  inset: 0 42% 0 0;
  background: rgba(255, 255, 255, 0.96);
  clip-path: polygon(0 0, 86% 0, 100% 100%, 0 100%);
}

.seo-hero-content {
  position: relative;
  z-index: 1;
  width: min(610px, 56%);
  padding: 78px 0 74px;
}

.seo-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 2px 10px;
  border-left: 4px solid var(--xm-yellow-strong);
  color: #3e4855;
  background: #fff7d1;
  font-size: 14px;
  font-weight: 750;
}

.seo-hero h1 {
  max-width: 610px;
  margin: 22px 0 18px;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.14;
  letter-spacing: 0;
}

.seo-hero h1 strong {
  color: var(--xm-blue);
}

.seo-hero-lead {
  max-width: 570px;
  margin: 0;
  color: #46515f;
  font-size: 19px;
  line-height: 1.85;
}

.seo-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.seo-hero-note {
  margin: 18px 0 0;
  color: #66717e;
  font-size: 13px;
}

.seo-facts {
  border-bottom: 1px solid var(--xm-line);
  background: var(--xm-ink);
  color: #fff;
}

.seo-facts-list {
  min-height: 78px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-facts-list li {
  padding: 0 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 14px;
}

.seo-facts-list li:first-child {
  padding-left: 0;
  border-left: 0;
}

.seo-facts-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--xm-yellow);
  font-size: 17px;
}

.seo-section {
  padding: 84px 0;
}

.seo-section.soft {
  background: var(--xm-soft);
  border-top: 1px solid var(--xm-line);
  border-bottom: 1px solid var(--xm-line);
}

.seo-section-heading {
  max-width: 730px;
  margin-bottom: 38px;
}

.seo-section-heading h2 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.3;
  letter-spacing: 0;
}

.seo-section-heading p {
  margin: 0;
  color: var(--xm-muted);
  font-size: 17px;
}

.seo-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.seo-feature {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--xm-line);
  border-radius: 6px;
  background: var(--xm-paper);
}

.seo-feature-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 6px;
  color: #fff;
  background: var(--xm-blue);
  font-size: 19px;
  font-weight: 850;
}

.seo-feature:nth-child(2) .seo-feature-mark {
  background: var(--xm-green);
}

.seo-feature:nth-child(3) .seo-feature-mark {
  color: var(--xm-ink);
  background: var(--xm-yellow);
}

.seo-feature h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.seo-feature p {
  margin: 0;
  color: var(--xm-muted);
}

.seo-product {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 44px;
  align-items: center;
}

.seo-product-media img {
  width: 100%;
  display: block;
  border: 1px solid var(--xm-line);
  border-radius: 6px;
  box-shadow: 0 20px 45px rgba(23, 32, 42, 0.12);
}

.seo-product-copy h2 {
  margin: 0 0 16px;
  font-size: 34px;
  line-height: 1.3;
}

.seo-product-copy p {
  color: var(--xm-muted);
  font-size: 16px;
}

.seo-check-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.seo-check-list li {
  position: relative;
  margin: 12px 0;
  padding-left: 28px;
  font-weight: 650;
}

.seo-check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--xm-green);
  font-weight: 900;
}

.seo-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
  border-top: 1px solid var(--xm-line);
  border-bottom: 1px solid var(--xm-line);
}

.seo-step {
  min-height: 185px;
  padding: 28px 24px;
  border-left: 1px solid var(--xm-line);
}

.seo-step:first-child {
  border-left: 0;
}

.seo-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 22px;
  color: var(--xm-blue);
  font-size: 14px;
  font-weight: 900;
}

.seo-step h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.seo-step p {
  margin: 0;
  color: var(--xm-muted);
  font-size: 14px;
}

.seo-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.seo-article-card {
  overflow: hidden;
  border: 1px solid var(--xm-line);
  border-radius: 6px;
  background: var(--xm-paper);
}

.seo-article-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  border-bottom: 1px solid var(--xm-line);
}

.seo-article-body {
  padding: 20px;
}

.seo-article-body time {
  color: #77818e;
  font-size: 13px;
}

.seo-article-body h3 {
  min-height: 56px;
  margin: 8px 0 10px;
  font-size: 19px;
  line-height: 1.45;
}

.seo-article-body h3 a {
  color: var(--xm-ink);
  text-decoration: none;
}

.seo-article-body h3 a:hover {
  color: var(--xm-blue);
}

.seo-article-body p {
  margin: 0;
  color: var(--xm-muted);
  font-size: 14px;
}

.seo-faq {
  max-width: 850px;
}

.seo-faq details {
  border-top: 1px solid var(--xm-line);
}

.seo-faq details:last-child {
  border-bottom: 1px solid var(--xm-line);
}

.seo-faq summary {
  padding: 21px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 750;
}

.seo-faq p {
  margin: -6px 0 22px;
  color: var(--xm-muted);
}

.seo-contact {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 44px;
  border-left: 6px solid var(--xm-yellow-strong);
  background: var(--xm-ink);
  color: #fff;
}

.seo-contact h2 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 30px;
}

.seo-contact p {
  margin: 0;
  color: #cbd2da;
}

.seo-contact-id {
  color: var(--xm-yellow);
  font-size: 24px;
  font-weight: 900;
}

.seo-footer {
  padding: 30px 0;
  color: #69737f;
  background: #fff;
  border-top: 1px solid var(--xm-line);
  font-size: 13px;
}

.seo-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.seo-footer a {
  color: #4d5864;
}

body.seo-enhanced .logo {
  display: block;
}

body.seo-enhanced .logo img {
  max-width: 130px;
}

body.seo-enhanced .entry-copyright {
  border-left: 4px solid var(--xm-yellow-strong);
  background: #fffaf0;
}

body.seo-enhanced .entry-content {
  color: #303946;
  font-size: 16px;
  line-height: 1.9;
}

body.seo-enhanced .entry-content img {
  height: auto;
}

body.seo-enhanced .entry-title {
  letter-spacing: 0;
}

@media (max-width: 900px) {
  .seo-nav {
    gap: 16px;
  }

  .seo-nav a:not(.seo-button) {
    display: none;
  }

  .seo-hero {
    min-height: 600px;
    align-items: flex-end;
    background-position: 62% top;
    background-size: auto 54%;
  }

  .seo-hero::before {
    inset: 38% 0 0;
    clip-path: none;
  }

  .seo-hero-content {
    width: 100%;
    padding: 265px 0 48px;
  }

  .seo-hero h1 {
    font-size: 40px;
  }

  .seo-facts-list,
  .seo-feature-grid,
  .seo-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .seo-product {
    grid-template-columns: 1fr;
  }

  .seo-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .seo-step:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--xm-line);
  }

  .seo-step:nth-child(4) {
    border-top: 1px solid var(--xm-line);
  }
}

@media (max-width: 620px) {
  .seo-container {
    width: min(100% - 28px, 1180px);
  }

  .seo-header-inner {
    gap: 12px;
  }

  .seo-brand img {
    width: 82px;
  }

  .seo-brand span {
    display: none;
  }

  .seo-nav .seo-button {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .seo-hero {
    min-height: 650px;
    background-position: 58% top;
    background-size: auto 42%;
  }

  .seo-hero::before {
    inset: 31% 0 0;
  }

  .seo-hero-content {
    padding: 225px 0 42px;
  }

  .seo-hero h1 {
    margin-top: 16px;
    font-size: 34px;
  }

  .seo-hero-lead {
    font-size: 16px;
  }

  .seo-facts-list {
    grid-template-columns: repeat(2, 1fr);
    padding: 14px 0;
  }

  .seo-facts-list li,
  .seo-facts-list li:first-child {
    padding: 10px 12px;
    border-left: 0;
  }

  .seo-section {
    padding: 58px 0;
  }

  .seo-section-heading h2,
  .seo-product-copy h2 {
    font-size: 28px;
  }

  .seo-feature-grid,
  .seo-article-grid,
  .seo-steps {
    grid-template-columns: 1fr;
  }

  .seo-step,
  .seo-step:nth-child(3),
  .seo-step:nth-child(4) {
    border-top: 1px solid var(--xm-line);
    border-left: 0;
  }

  .seo-step:first-child {
    border-top: 0;
  }

  .seo-article-body h3 {
    min-height: 0;
  }

  .seo-contact {
    grid-template-columns: 1fr;
    padding: 30px 24px;
  }

  .seo-footer-inner {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .seo-button {
    transition: none;
  }
}