:root {
  --sbi-max: 1500px;
  --sbi-gutter: clamp(20px, 4vw, 48px);
  --sbi-readable: 920px;
  --sbi-ink: #1f2528;
  --sbi-muted: #5f686d;
  --sbi-line: #e8dde0;
  --sbi-paper: #fffaf8;
  --sbi-soft: #fff1f2;
  --sbi-mint: #e8f7f2;
  --sbi-teal: #247a76;
  --sbi-rose: #e98591;
  --sbi-coral: #f5a258;
  --sbi-gold: #c68b32;
  --sbi-white: #ffffff;
  --sbi-shadow: 0 18px 45px rgba(70, 48, 55, 0.12);
  --sbi-radius: 8px;
  --sbi-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei", "Noto Sans TC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--sbi-ink);
  background: var(--sbi-paper);
  font-family: var(--sbi-font);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 14ch;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 82px);
}

h2 {
  max-width: 18ch;
  margin-bottom: 18px;
  font-size: clamp(30px, 3vw, 52px);
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

p {
  color: var(--sbi-muted);
}

.sbi-container {
  width: min(calc(100% - var(--sbi-gutter) * 2), var(--sbi-max));
  margin-inline: auto;
}

.sbi-skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-140%);
  background: var(--sbi-ink);
  color: var(--sbi-white);
  padding: 10px 14px;
  border-radius: var(--sbi-radius);
}

.sbi-skip-link:focus {
  transform: translateY(0);
}

.sbi-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 250, 248, 0.94);
  border-bottom: 1px solid rgba(232, 221, 224, 0.82);
  backdrop-filter: blur(14px);
}

.sbi-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.sbi-logo img {
  width: 154px;
  height: auto;
}

.sbi-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  font-weight: 700;
}

.sbi-nav a {
  text-decoration: none;
}

.sbi-nav a:hover,
.sbi-nav a:focus-visible {
  color: var(--sbi-teal);
}

.sbi-lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--sbi-line);
  border-radius: var(--sbi-radius);
  background: var(--sbi-white);
}

.sbi-lang-switch a {
  padding: 7px 9px;
  border-radius: 6px;
  font-size: 13px;
}

.sbi-lang-switch a.is-active {
  background: var(--sbi-teal);
  color: var(--sbi-white);
}

.sbi-menu-button {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--sbi-line);
  border-radius: var(--sbi-radius);
  background: var(--sbi-white);
}

.sbi-menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--sbi-ink);
}

.sbi-hero {
  position: relative;
  min-height: min(820px, calc(100svh - 78px));
  overflow: hidden;
  background: var(--sbi-soft);
}

.sbi-hero__media {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(46vw, 700px);
}

.sbi-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.sbi-hero__inner {
  position: relative;
  display: grid;
  align-items: center;
  min-height: inherit;
  padding-block: 78px;
}

.sbi-hero__content {
  width: min(680px, 100%);
}

.sbi-eyebrow {
  margin-bottom: 14px;
  color: var(--sbi-teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.sbi-lead {
  max-width: 720px;
  margin-bottom: 22px;
  color: #3d474b;
  font-size: clamp(18px, 1.6vw, 24px);
}

.sbi-proof {
  max-width: 700px;
  color: var(--sbi-muted);
  font-weight: 650;
}

.sbi-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.sbi-button,
.sbi-contact-card .sbi-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid var(--sbi-teal);
  border-radius: var(--sbi-radius);
  background: var(--sbi-teal);
  color: var(--sbi-white);
  font-weight: 800;
  text-decoration: none;
}

.sbi-button:hover,
.sbi-button:focus-visible {
  background: #1c625f;
}

.sbi-button--ghost {
  background: var(--sbi-white);
  color: var(--sbi-teal);
}

.sbi-button--ghost:hover,
.sbi-button--ghost:focus-visible {
  background: var(--sbi-mint);
}

.sbi-section {
  padding-block: clamp(64px, 8vw, 118px);
}

.sbi-section--compact {
  padding-top: 72px;
}

.sbi-section--tint {
  background: var(--sbi-mint);
}

.sbi-section-head {
  max-width: 820px;
  margin-bottom: 34px;
}

.sbi-split,
.sbi-proof-grid,
.sbi-page-hero__inner,
.sbi-detail-layout,
.sbi-contact-grid,
.sbi-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(28px, 5vw, 78px);
  align-items: center;
}

.sbi-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.sbi-metrics div,
.sbi-card,
.sbi-contact-card,
.sbi-side-note,
.sbi-post-card,
.sbi-article-sidebar {
  border: 1px solid var(--sbi-line);
  border-radius: var(--sbi-radius);
  background: var(--sbi-white);
  box-shadow: var(--sbi-shadow);
}

.sbi-metrics div {
  padding: 22px;
}

.sbi-metrics strong {
  display: block;
  color: var(--sbi-coral);
  font-size: 42px;
  line-height: 1;
}

.sbi-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--sbi-muted);
  font-weight: 700;
}

.sbi-card-grid,
.sbi-post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.sbi-card,
.sbi-post-card {
  padding: 24px;
}

.sbi-card__tag {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--sbi-gold);
  font-size: 13px;
  font-weight: 800;
}

.sbi-card a,
.sbi-post-card a,
.sbi-footer a,
.sbi-article-sidebar a {
  color: var(--sbi-teal);
  font-weight: 800;
}

.sbi-image-panel {
  margin: 0;
  overflow: hidden;
  border-radius: var(--sbi-radius);
  background: var(--sbi-white);
  box-shadow: var(--sbi-shadow);
}

.sbi-image-panel img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.sbi-page-hero {
  padding-block: clamp(68px, 9vw, 128px);
  background: var(--sbi-soft);
}

.sbi-page-hero--simple {
  background: var(--sbi-mint);
}

.sbi-detail,
.sbi-legal,
.sbi-article {
  max-width: var(--sbi-readable);
}

.sbi-check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.sbi-check-list li {
  padding: 12px 14px;
  border-left: 4px solid var(--sbi-coral);
  background: var(--sbi-white);
}

.sbi-side-note,
.sbi-contact-card,
.sbi-article-sidebar {
  padding: 26px;
}

.sbi-contact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.sbi-contact-card--form {
  grid-column: span 1;
}

.sbi-form {
  display: grid;
  gap: 14px;
}

.sbi-form label {
  display: grid;
  gap: 6px;
  color: var(--sbi-ink);
  font-weight: 750;
}

.sbi-form input,
.sbi-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  border: 1px solid #cfc3c7;
  border-radius: var(--sbi-radius);
  background: var(--sbi-white);
  color: var(--sbi-ink);
  font: inherit;
}

.sbi-form textarea {
  min-height: 130px;
  resize: vertical;
}

.sbi-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.sbi-form-status {
  min-height: 24px;
  font-weight: 750;
}

.sbi-legal {
  margin-inline: auto;
}

.sbi-legal h2 {
  max-width: none;
  margin-top: 34px;
  font-size: 26px;
}

.sbi-article-wrap {
  background: var(--sbi-white);
}

.sbi-article-layout {
  align-items: start;
  grid-template-columns: minmax(0, 1fr) 360px;
}

.sbi-article h1 {
  max-width: 18ch;
}

.sbi-article__image {
  margin: 0 0 28px;
  overflow: hidden;
  border-radius: var(--sbi-radius);
}

.sbi-article__body :where(p, li) {
  color: #343d40;
}

.sbi-article-sidebar {
  position: sticky;
  top: 104px;
}

.sbi-article-sidebar ul {
  display: grid;
  gap: 12px;
  padding-left: 18px;
}

.sbi-footer {
  padding-block: 56px 28px;
  background: #1f2528;
  color: var(--sbi-white);
}

.sbi-footer p,
.sbi-footer span {
  color: #d7dee1;
}

.sbi-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
}

.sbi-footer h2 {
  max-width: none;
  color: var(--sbi-white);
  font-size: 18px;
}

.sbi-footer a {
  display: block;
  margin-bottom: 10px;
  color: #dff7f1;
}

.sbi-footer__logo {
  width: 70px;
  margin-bottom: 16px;
  border-radius: 8px;
}

.sbi-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.sbi-floating-contact {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
}

.sbi-floating-contact a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 16px;
  border-radius: var(--sbi-radius);
  background: #25d366;
  color: #102318;
  font-weight: 850;
  text-decoration: none;
  box-shadow: var(--sbi-shadow);
}

@media (max-width: 1080px) {
  .sbi-card-grid,
  .sbi-post-grid,
  .sbi-contact-grid,
  .sbi-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sbi-split,
  .sbi-proof-grid,
  .sbi-page-hero__inner,
  .sbi-detail-layout,
  .sbi-article-layout {
    grid-template-columns: 1fr;
  }

  .sbi-article-sidebar {
    position: static;
  }
}

@media (max-width: 820px) {
  :root {
    --sbi-gutter: 22px;
  }

  .sbi-header__inner {
    min-height: 68px;
  }

  .sbi-menu-button {
    display: block;
  }

  .sbi-nav {
    position: absolute;
    top: 68px;
    right: var(--sbi-gutter);
    left: var(--sbi-gutter);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--sbi-line);
    border-radius: var(--sbi-radius);
    background: var(--sbi-white);
    box-shadow: var(--sbi-shadow);
  }

  .sbi-nav.is-open {
    display: flex;
  }

  .sbi-nav > a,
  .sbi-lang-switch {
    padding: 13px 12px;
  }

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

  .sbi-hero__media {
    position: relative;
    width: 100%;
    height: 330px;
    inset: auto;
  }

  .sbi-hero__inner {
    min-height: auto;
    padding-block: 42px 58px;
  }

  .sbi-metrics,
  .sbi-card-grid,
  .sbi-post-grid,
  .sbi-contact-grid,
  .sbi-footer__grid {
    grid-template-columns: 1fr;
  }

  .sbi-footer__bottom {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  :root {
    --sbi-gutter: 20px;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 30px;
  }

  .sbi-actions,
  .sbi-button {
    width: 100%;
  }

  .sbi-floating-contact {
    right: 12px;
    bottom: 12px;
  }
}