.solution-detail-page {
  background: #f6f8fb;
  overflow-x: clip;
}

.sd-hero {
  position: relative;
  overflow: hidden;
  padding: 15rem 0 7rem;
  color: #fff;
  background:
    linear-gradient(115deg, rgba(2, 21, 50, 0.98), rgba(6, 18, 51, 0.9)),
    var(--hongshu-solution-hero-bg, url("../images/hero-tech-office.webp")) center/cover no-repeat;
}

.sd-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 0.1rem;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.sd-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(34rem, 0.68fr);
  gap: 5rem;
  align-items: center;
}

.sd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.2rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.4rem;
}

.sd-breadcrumb a {
  color: rgba(255, 255, 255, 0.86);
}

.sd-breadcrumb em {
  color: #fff;
  font-style: normal;
  font-weight: 800;
}

.sd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--red-light);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sd-eyebrow::before {
  content: "";
  width: 2.2rem;
  height: 0.2rem;
  border-radius: 999rem;
  background: currentColor;
}

.sd-hero h1 {
  margin: 1.2rem 0 1.6rem;
  font-size: clamp(4.2rem, 6vw, 5.6rem);
  line-height: 1.36;
  letter-spacing: 0;
}

.sd-hero-copy > p {
  max-width: 78rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.9rem;
  line-height: 1.85;
}

.sd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 3.2rem;
}

.sd-primary,
.sd-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 4.8rem;
  padding: 0 2.2rem;
  border-radius: 999rem;
  font-size: 1.5rem;
  font-weight: 900;
}

.sd-primary {
  color: #fff;
  background: var(--red);
  box-shadow: 0 1.2rem 2.8rem rgba(215, 34, 42, 0.28);
}

.sd-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.08);
}

.sd-tags {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.6rem;
}

.sd-tags span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 3.8rem;
  padding: 0.55rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999rem;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.08);
  font-size: clamp(1.02rem, 0.75vw, 1.14rem);
  font-weight: 400;
  line-height: 1.28;
  text-align: center;
  white-space: nowrap;
}

.sd-hero-visual-wrap {
  width: 100%;
  max-width: 52rem;
}

.sd-hero-visual {
  --sd-hero-image-ratio: 1.28 / 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 1.8rem;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 2.4rem 6rem rgba(0, 0, 0, 0.24);
}

.sd-hero-carousel-track {
  display: flex;
  aspect-ratio: var(--sd-hero-image-ratio);
  transition: transform 0.55s ease;
}

.sd-hero-slide {
  flex: 0 0 100%;
  height: 100%;
  margin: 0;
}

.sd-hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sd-visual-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.sd-visual-badges span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 6rem;
  padding: 1rem;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(2, 21, 50, 0.78);
  font-size: 1.35rem;
  font-weight: 800;
  text-align: center;
  white-space: nowrap;
}

.sd-hero-carousel-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.4rem auto 0;
  width: fit-content;
  max-width: 100%;
}

.sd-hero-carousel-progress > span {
  display: block;
  width: 25%;
  min-width: 12rem;
  height: 0.3rem;
  overflow: hidden;
  border-radius: 99rem;
  background: var(--blue);
  transform-origin: left;
  transition: width 0.25s ease, transform 0.25s ease;
}

.sd-progress-segment {
  position: relative;
  display: block;
  width: 4.9rem;
  height: 0.34rem;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 99rem;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
}

.sd-progress-segment span {
  position: absolute;
  inset: 0 auto 0 0;
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.96);
  transform-origin: left;
}

.sd-progress-segment.active {
  background: rgba(255, 255, 255, 0.2);
}

.sd-progress-segment:focus-visible {
  outline: 0.2rem solid rgba(255, 255, 255, 0.72);
  outline-offset: 0.35rem;
}

.sd-summary,
.sd-main-section,
.sd-contact {
  padding: 6rem 0;
}

.sd-summary-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
}

.sd-summary-grid::before {
  content: "";
  position: absolute;
  top: 5.4rem;
  left: 4.2rem;
  right: 4.2rem;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(215, 34, 42, 0.34) 0 0.8rem, transparent 0.8rem 1.6rem);
  pointer-events: none;
}

.sd-summary-card,
.sd-block,
.sd-side-nav,
.sd-form,
.sd-related-grid a {
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 1.4rem;
  background: #fff;
  box-shadow: 0 1rem 2.6rem rgba(15, 23, 42, 0.04);
}

.sd-summary-card {
  position: relative;
  min-height: 18.2rem;
  --summary-accent: var(--red);
  padding: 2.3rem 2.2rem 2.4rem;
  overflow: hidden;
  box-shadow: 0 1.8rem 4.6rem rgba(15, 23, 42, 0.07);
}

.sd-summary-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 2.2rem;
  width: 4.8rem;
  height: 0.4rem;
  border-radius: 0 0 99rem 99rem;
  background: linear-gradient(90deg, transparent 0%, color-mix(in srgb, var(--summary-accent) 42%, transparent) 18%, var(--summary-accent) 50%, color-mix(in srgb, var(--summary-accent) 42%, transparent) 82%, transparent 100%);
}

.sd-summary-card:nth-child(1) {
  --summary-accent: #d94a52;
}

.sd-summary-card:nth-child(2) {
  --summary-accent: #406fce;
}

.sd-summary-card:nth-child(3) {
  --summary-accent: #2f9b85;
}

.sd-summary-card:nth-child(4) {
  --summary-accent: #c7893e;
}

.sd-summary-card::after {
  content: "";
  position: absolute;
  right: -3.8rem;
  bottom: -4.4rem;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: rgba(2, 21, 50, 0.035);
  pointer-events: none;
}

.sd-summary-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.9rem;
}

.sd-summary-no {
  color: rgba(2, 21, 50, 0.18);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
}

.sd-summary-icon {
  width: 4.2rem;
  height: 4.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(2, 21, 50, 0.16);
  border-radius: 1.2rem;
  color: var(--ink);
  background: rgba(2, 21, 50, 0.035);
}

.sd-summary-icon svg {
  width: 2rem;
  height: 2rem;
}

.sd-summary-card strong {
  position: relative;
  z-index: 1;
  display: block;
  color: var(--ink);
  font-size: 1.8rem;
  font-weight: 900;
}

.sd-summary-card strong::after {
  content: "";
  display: block;
  width: 2.8rem;
  height: 0.3rem;
  margin-top: 0.9rem;
  border-radius: 99rem;
  background: linear-gradient(90deg, transparent 0%, color-mix(in srgb, var(--summary-accent) 42%, transparent) 18%, var(--summary-accent) 50%, color-mix(in srgb, var(--summary-accent) 42%, transparent) 82%, transparent 100%);
}

.sd-summary-card p {
  position: relative;
  z-index: 1;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 1.45rem;
  line-height: 1.7;
}

.sd-main-section {
  background: #fff;
}

.sd-layout {
  display: grid;
  grid-template-columns: 22rem minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

.sd-side-nav {
  position: sticky;
  top: 10.4rem;
  display: grid;
  gap: 0.4rem;
  padding: 1rem;
  align-self: start;
  z-index: 2;
}

.solution-detail-page .sd-side-nav.reveal,
.solution-detail-page .sd-side-nav.reveal.visible {
  opacity: 1;
  transform: none;
  transition: none;
}

.sd-side-nav a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 4rem;
  padding: 0 1.2rem;
  border-radius: 999rem;
  color: var(--muted);
  font-size: 1.38rem;
  font-weight: 800;
  transition: color 0.2s ease, background 0.2s ease;
}

.sd-side-nav a svg {
  flex: 0 0 auto;
  width: 1.55rem;
  height: 1.55rem;
}

.sd-side-nav a:hover,
.sd-side-nav a.active {
  color: var(--red);
  background: rgba(215, 34, 42, 0.08);
}

.sd-content {
  display: grid;
  gap: 2rem;
}

.sd-block {
  padding: 3rem;
  scroll-margin-top: 12rem;
}

.sd-block-head {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}

.sd-block-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.2rem;
  height: 2.8rem;
  border-radius: 999rem;
  color: #fff;
  background: var(--blue);
  font-size: 1.25rem;
  font-weight: 900;
}

.sd-block-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 2.8rem;
  line-height: 1.25;
}

.sd-block > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.62rem;
  line-height: 1.9;
}

.sd-block > p + p {
  margin-top: 1.2rem;
}

.sd-problem-grid,
.sd-structure-list,
.sd-function-grid,
.sd-checklist,
.sd-process,
.sd-related-grid,
.sd-article-list,
.sd-faq-list {
  display: grid;
  gap: 1.4rem;
}

.sd-problem-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sd-problem-grid article,
.sd-structure-list article,
.sd-process article {
  border-radius: 1.2rem;
  background: #f6f8fb;
}

.sd-problem-grid article {
  position: relative;
  min-height: 13.8rem;
  --problem-accent: var(--red);
  overflow: hidden;
  padding: 2rem 2.4rem;
}

.sd-problem-grid article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.4rem;
  bottom: 1.4rem;
  width: 0.32rem;
  border-radius: 999rem;
  background: linear-gradient(180deg, transparent 0%, transparent 12%, color-mix(in srgb, var(--problem-accent) 42%, transparent) 30%, var(--problem-accent) 50%, color-mix(in srgb, var(--problem-accent) 42%, transparent) 70%, transparent 88%, transparent 100%);
  pointer-events: none;
}

.sd-problem-grid article:nth-child(1) {
  --problem-accent: #d94a52;
}

.sd-problem-grid article:nth-child(2) {
  --problem-accent: #406fce;
}

.sd-problem-grid article:nth-child(3) {
  --problem-accent: #718096;
}

.sd-problem-grid article:nth-child(4) {
  --problem-accent: #2f9b85;
}

.sd-problem-grid article:nth-child(5) {
  --problem-accent: #8b78d8;
}

.sd-problem-grid article:nth-child(6) {
  --problem-accent: #3c9fc7;
}

.sd-problem-grid article:nth-child(7) {
  --problem-accent: #c7893e;
}

.sd-problem-grid article:nth-child(8) {
  --problem-accent: #bf4f68;
}

.sd-problem-grid strong,
.sd-structure-list b,
.sd-process strong,
.sd-related-grid strong,
.sd-article-list strong {
  color: var(--ink);
  font-weight: 900;
}

.sd-card-icon {
  width: 4rem;
  height: 4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  border: 1px solid rgba(2, 21, 50, 0.14);
  border-radius: 1.1rem;
  color: var(--ink);
  background: rgba(2, 21, 50, 0.035);
}

.sd-card-icon svg {
  width: 2rem;
  height: 2rem;
}

.sd-problem-grid .sd-card-icon,
.sd-structure-list .sd-card-icon {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
}

.sd-problem-grid strong {
  display: block;
  font-size: 1.7rem;
  line-height: 1.35;
}

.sd-problem-grid p,
.sd-structure-list p,
.sd-process p,
.sd-related-grid p {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 1.45rem;
  line-height: 1.72;
}

.sd-problem-grid p,
.sd-structure-list p {
  padding-right: 5.4rem;
}

.sd-structure-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sd-structure-list article {
  position: relative;
  min-height: 13.7rem;
  padding: 2rem;
}

.sd-structure-list .sd-card-icon {
  color: var(--ink);
  background: rgba(2, 21, 50, 0.035);
  border-color: rgba(2, 21, 50, 0.14);
}

.sd-structure-list b {
  display: block;
  font-size: 1.65rem;
}

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

.sd-function-grid span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  min-height: 5.2rem;
  padding: 1rem;
  border-radius: 1rem;
  color: var(--blue);
  background: rgba(30, 80, 226, 0.08);
  font-size: 1.42rem;
  font-weight: 900;
  text-align: center;
}

.sd-function-grid span svg {
  flex: 0 0 auto;
  width: 1.8rem;
  height: 1.8rem;
}

.sd-checklist {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sd-checklist label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  min-height: 5.6rem;
  padding: 1.4rem;
  border-radius: 1.2rem;
  color: var(--ink);
  background: #f6f8fb;
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.55;
}

.sd-checklist input {
  width: 1.8rem;
  height: 1.8rem;
  margin-top: 0.2rem;
  accent-color: var(--red);
}

.sd-process {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sd-process article {
  padding: 1.8rem;
}

.sd-process-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.sd-process b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 999rem;
  color: #fff;
  background: var(--red);
  font-size: 1.35rem;
}

.sd-process .sd-card-icon {
  width: 3.6rem;
  height: 3.6rem;
  margin-bottom: 0;
  color: var(--ink);
  background: #fff;
  border-color: rgba(2, 21, 50, 0.14);
}

.sd-process .sd-card-icon svg {
  width: 1.8rem;
  height: 1.8rem;
}

.sd-process strong {
  display: block;
  font-size: 1.62rem;
}

.sd-related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sd-related-grid a {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.sd-related-grid a:hover {
  transform: translateY(-0.3rem);
  border-color: rgba(30, 80, 226, 0.22);
  box-shadow: 0 1.8rem 4rem rgba(15, 23, 42, 0.08);
}

.sd-related-grid img {
  display: block;
  width: 100%;
  height: clamp(16rem, 13vw, 22rem);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  flex: 0 0 auto;
}

.sd-related-grid strong,
.sd-related-grid p {
  display: block;
  padding: 0 1.6rem;
}

.sd-related-grid strong {
  margin-top: 1.5rem;
  font-size: 1.65rem;
}

.sd-related-grid p {
  margin: 0.6rem 0 1.8rem;
}

.sd-article-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1.2rem;
  margin-top: 1.4rem;
}

.sd-article-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: center;
  min-height: 5.2rem;
  padding: 1rem 1.2rem;
  border-radius: 1.2rem;
  background: #f6f8fb;
}

.sd-article-list strong {
  font-size: 1.42rem;
  line-height: 1.45;
}

.sd-article-list time {
  justify-self: end;
  white-space: nowrap;
  color: var(--muted);
  font-size: 1.22rem;
}

.sd-faq-list details {
  border-radius: 1.2rem;
  background: #f6f8fb;
}

.sd-faq-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(6, auto);
  grid-auto-flow: column;
  align-items: start;
}

.sd-faq-list summary {
  cursor: pointer;
  padding: 1.6rem 1.8rem;
  color: var(--ink);
  font-size: 1.62rem;
  font-weight: 900;
}

.sd-faq-list p {
  margin: 0;
  padding: 0 1.8rem 1.7rem;
  color: var(--muted);
  font-size: 1.48rem;
}

.sd-contact {
  color: #fff;
  background:
    linear-gradient(110deg, rgba(2, 21, 50, 0.96), rgba(13, 31, 82, 0.92)),
    var(--hongshu-solution-contact-bg, url("../images/hero-hardware.webp")) center/cover no-repeat;
}

.sd-contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(34rem, 0.62fr);
  gap: 4rem;
  align-items: center;
}

.sd-contact h2 {
  margin: 1rem 0 1.2rem;
  color: #fff;
  font-size: clamp(3rem, 4vw, 4.8rem);
  line-height: 1.18;
}

.sd-contact-copy > p {
  max-width: 72rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.7rem;
}

.sd-managers {
  max-width: 66rem;
  margin-top: 2.8rem;
}

.sd-form {
  display: grid;
  gap: 1.2rem;
  padding: 2.2rem;
}

.sd-form label {
  display: grid;
  gap: 0.6rem;
}

.sd-form span {
  color: var(--ink);
  font-size: 1.36rem;
  font-weight: 900;
}

.sd-form input,
.sd-form select,
.sd-form textarea {
  width: 100%;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 1rem;
  padding: 1.1rem 1.2rem;
  color: var(--ink);
  background: #f8fafc;
  outline: none;
}

.sd-form input:focus,
.sd-form select:focus,
.sd-form textarea:focus {
  border-color: rgba(30, 80, 226, 0.5);
  background: #fff;
}

.sd-form textarea {
  resize: vertical;
}

.sd-form button {
  min-height: 4.6rem;
  border: 0;
  border-radius: 999rem;
  color: #fff;
  background: var(--red);
  font-weight: 900;
  cursor: pointer;
}

.sd-form button:disabled {
  cursor: default;
  opacity: 0.8;
}

.sd-form .form-note {
  color: #475467;
}

@media (max-width: 1180px) {
  .sd-hero-inner,
  .sd-contact-inner {
    grid-template-columns: 1fr;
  }

  .sd-hero-visual-wrap {
    max-width: 52rem;
  }

  .sd-layout {
    grid-template-columns: 1fr;
  }

  .sd-side-nav {
    position: sticky;
    top: 9.6rem;
    z-index: 2;
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .sd-side-nav::-webkit-scrollbar {
    display: none;
  }

  .sd-side-nav a {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .sd-summary-grid,
  .sd-function-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sd-summary-grid::before {
    display: none;
  }

  .sd-process {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .sd-hero {
    padding: 11rem 0 4.2rem;
  }

  .sd-hero h1 {
    font-size: 4rem;
  }

  .sd-hero-copy > p,
  .sd-contact-copy > p {
    font-size: 1.5rem;
  }

  .sd-hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 2.4rem;
  }

  .sd-primary,
  .sd-secondary {
    min-height: 4.4rem;
    padding: 0 1.2rem;
  }

  .sd-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
    margin-top: 2rem;
  }

  .sd-tags span {
    min-height: 3.8rem;
    padding: 0.55rem 0.8rem;
    font-size: clamp(0.82rem, 2.2vw, 1rem);
  }

  .sd-visual-badges span {
    min-height: 5.2rem;
    font-size: 1.16rem;
    line-height: 1.45;
  }

  .sd-summary,
  .sd-main-section,
  .sd-contact {
    padding: 4rem 0;
  }

  .sd-summary-grid,
  .sd-problem-grid,
  .sd-structure-list,
  .sd-checklist,
  .sd-related-grid,
  .sd-article-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .sd-summary-card {
    min-height: 18rem;
    padding: 1.6rem;
  }

  .sd-summary-card strong {
    font-size: 1.48rem;
    line-height: 1.35;
  }

  .sd-summary-card strong::after {
    width: 2.2rem;
    height: 0.25rem;
    margin-top: 0.7rem;
  }

  .sd-summary-card p {
    margin-top: 0.9rem;
    font-size: 1.25rem;
    line-height: 1.62;
  }

  .sd-summary-top {
    margin-bottom: 1.2rem;
  }

  .sd-summary-no {
    font-size: 2rem;
  }

  .sd-summary-icon {
    width: 3.4rem;
    height: 3.4rem;
    border-radius: 1rem;
  }

  .sd-summary-icon svg {
    width: 1.7rem;
    height: 1.7rem;
  }

  .sd-side-nav {
    top: 8.4rem;
    margin-inline: -0.4rem;
    padding: 0.6rem;
  }

  .sd-side-nav a {
    gap: 0.55rem;
    min-height: 3.6rem;
    padding: 0 1rem;
    font-size: 1.25rem;
  }

  .sd-side-nav a svg {
    width: 1.35rem;
    height: 1.35rem;
  }

  .sd-content {
    gap: 1.4rem;
  }

  .sd-block {
    padding: 1.8rem;
    scroll-margin-top: 11rem;
  }

  .sd-block-head {
    gap: 0.9rem;
    margin-bottom: 1.4rem;
  }

  .sd-block-no {
    width: 3.6rem;
    height: 2.5rem;
    font-size: 1.1rem;
  }

  .sd-block-head h2 {
    font-size: 2.2rem;
  }

  .sd-block > p {
    font-size: 1.48rem;
    line-height: 1.82;
  }

  .sd-problem-grid article {
    min-height: 16rem;
    padding: 1.5rem 1.5rem 1.5rem 2rem;
  }

  .sd-problem-grid strong,
  .sd-structure-list b,
  .sd-process strong,
  .sd-related-grid strong {
    font-size: 1.42rem;
    line-height: 1.38;
  }

  .sd-card-icon {
    width: 3.2rem;
    height: 3.2rem;
    margin: 0;
    border-radius: 0.9rem;
  }

  .sd-card-icon svg {
    width: 1.6rem;
    height: 1.6rem;
  }

  .sd-problem-grid .sd-card-icon,
  .sd-structure-list .sd-card-icon {
    top: auto;
    right: 1.2rem;
    bottom: 1.4rem;
  }

  .sd-problem-grid p,
  .sd-structure-list p,
  .sd-process p,
  .sd-related-grid p {
    font-size: 1.23rem;
    line-height: 1.62;
  }

  .sd-problem-grid p,
  .sd-structure-list p {
    padding-right: 4.2rem;
  }

  .sd-structure-list article,
  .sd-process article {
    padding: 1.4rem;
  }

  .sd-structure-list article {
    min-height: 13.7rem;
  }

  .sd-function-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
  }

  .sd-function-grid span {
    gap: 0.55rem;
    flex-direction: row;
    min-height: 4.4rem;
    padding: 0.8rem;
    font-size: 1.22rem;
    line-height: 1.35;
  }

  .sd-function-grid span svg {
    width: 1.55rem;
    height: 1.55rem;
  }

  .sd-checklist label {
    min-height: 7.4rem;
    padding: 1.2rem;
    gap: 0.8rem;
    font-size: 1.22rem;
  }

  .sd-checklist input {
    width: 1.6rem;
    height: 1.6rem;
  }

  .sd-process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .sd-process b {
    width: 3.2rem;
    height: 3.2rem;
    font-size: 1.2rem;
  }

  .sd-process .sd-card-icon {
    width: 3.2rem;
    height: 3.2rem;
  }

  .sd-related-grid a {
    box-shadow: none;
  }

  .sd-related-grid strong,
  .sd-related-grid p {
    padding: 0 1.2rem;
  }

  .sd-related-grid p {
    margin-bottom: 1.4rem;
  }

  .sd-article-list a {
    grid-template-columns: 1fr;
    min-height: 5.6rem;
    padding: 1rem;
    gap: 0.35rem;
  }

  .sd-article-list strong {
    font-size: 1.28rem;
  }

  .sd-article-list time {
    font-size: 1.15rem;
  }

  .sd-faq-list summary {
    padding: 1.4rem;
    font-size: 1.42rem;
  }

  .sd-faq-list p {
    padding: 0 1.4rem 1.5rem;
    font-size: 1.3rem;
  }

  .sd-faq-list {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-auto-flow: row;
  }

  .sd-form {
    padding: 1.4rem;
  }
}

@media (max-width: 460px) {
  .sd-hero h1 {
    font-size: 3.06rem;
  }

  .sd-breadcrumb {
    font-size: 1.22rem;
  }

  .sd-summary-grid,
  .sd-problem-grid,
  .sd-structure-list,
  .sd-checklist,
  .sd-related-grid,
  .sd-article-list,
  .sd-process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sd-function-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}