.saiwei-page {
  --royal: #2563eb;
  --royal-2: #d7ff66;
  --deep: #0b0d10;
  --deep-2: #272727;
  --cream: #ffffff;
  --cream-2: #f4f6f8;
  --cream-3: #e5e7eb;
  --silver: #dbdbdb;
  --silver-2: #e5e7eb;
  --silver-3: #f4f6f8;
  --ink: #0d0d0d;
  --muted: #505050;
  --line: rgba(17, 24, 39, 0.12);
  --soft-shadow: 0 24px 60px rgba(17, 24, 39, 0.1);
  --soft-shadow-sm: 0 10px 30px rgba(17, 24, 39, 0.07);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content: min(calc(100% - 36px), 1350px);
  width: 100%;
  overflow: hidden;
  background: var(--cream);
  color: var(--ink);
  font-family:
    "Outfit",
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.saiwei-page img {
  display: block;
  max-width: 100%;
}

.saiwei-page button,
.saiwei-page summary {
  font: inherit;
}

.saiwei-page .skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 9999;
  padding: 10px 14px;
  background: #fff;
  border-radius: 12px;
  transform: translateY(-180%);
  box-shadow: var(--soft-shadow-sm);
  font-weight: 800;
}

.saiwei-page .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.71rem;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #0b0d10;
}

.saiwei-page .eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: #c7ff2e;
}

.saiwei-page .section-title {
  margin: 14px 0 0;
  font-size: clamp(2.15rem, 4.3vw, 3.3rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  color: var(--deep);
  font-weight: 900;
}

.saiwei-page .section-lead {
  margin: 20px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.02rem;
}

.saiwei-page .btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: 0.2s ease;
}

.saiwei-page .btn-primary {
  background: #c7ff2e;
  color: #0b0d10;
  box-shadow: 0 15px 34px rgba(11, 13, 16, 0.2);
}

.saiwei-page .btn-secondary {
  background: rgba(255, 255, 255, 0.74);
  color: var(--deep);
  border-color: rgba(17, 24, 39, 0.14);
}

.saiwei-page .text-link {
  color: var(--royal);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.saiwei-page .muted {
  color: var(--muted);
}

.saiwei-page .site-header {
  position: relative;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(16px);
}

.saiwei-page .header-inner {
  width: var(--content);
  margin: auto;
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
}

.saiwei-page .brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--deep);
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.saiwei-page .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--royal), var(--deep));
  color: #0b0d10;
  box-shadow: 0 8px 20px rgba(11, 13, 16, 0.2);
}

.saiwei-page .desktop-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.saiwei-page .desktop-nav a {
  font-size: 0.76rem;
  font-weight: 800;
  color: #555555;
}

.saiwei-page .header-cta {
  white-space: nowrap;
}

.saiwei-page .menu-btn {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  border: 1px solid var(--silver-2);
  background: #fff;
  color: var(--deep);
}

.saiwei-page .mobile-menu {
  position: absolute;
  top: 76px;
  left: 18px;
  right: 18px;
  background: #fff;
  border: 1px solid var(--silver-2);
  border-radius: 20px;
  padding: 10px;
  box-shadow: var(--soft-shadow);
}

.saiwei-page .mobile-menu a {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 800;
}

.saiwei-page .mobile-menu a:hover {
  background: var(--silver-3);
}

.saiwei-page .breadcrumb {
  width: var(--content);
  margin: auto;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.73rem;
  color: var(--muted);
}

.saiwei-page .breadcrumb a:hover {
  color: var(--royal);
}

.saiwei-page .hero {
  padding: 44px 0 66px;
  background: linear-gradient(180deg, var(--cream-2) 0, var(--cream) 72%);
}

.saiwei-page .hero-shell {
  width: var(--content);
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
  gap: 34px;
  align-items: stretch;
}

.saiwei-page .hero-copy {
  padding: 54px 18px 48px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.saiwei-page h1 {
  margin: 18px 0 0;
  font-size: clamp(2.4rem, 6.8vw, 5rem);
  line-height: 0.91;
  letter-spacing: -0.065em;
  color: var(--deep);
  font-weight: 950;
}

.saiwei-page .hero-copy p {
  max-width: 720px;
  margin: 26px 0 0;
  color: #636363;
  font-size: 1.08rem;
}

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

.saiwei-page .hero-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 26px;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(17, 24, 39, 0.08);
  max-width: 690px;
  color: #636363;
  font-size: 0.88rem;
}

.saiwei-page .hero-note strong {
  color: var(--deep);
}

.saiwei-page .hero-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(145deg, #dbdbdb, #afafaf);
  box-shadow: var(--soft-shadow);
}

.saiwei-page .hero-visual img {
  width: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.saiwei-page .hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 80% 18%,
      rgba(255, 255, 255, 0.65),
      transparent 31%
    ),
    linear-gradient(145deg, rgba(11, 13, 16, 0.18), rgba(17, 24, 39, 0.08));
  z-index: 0;
}

.saiwei-page .hero-visual::after {
  content: "MULTI-SIZE PRODUCT VISUAL";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(17, 24, 39, 0.48);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  z-index: 0;
}

.saiwei-page .floating-spec {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.12);
}

.saiwei-page .floating-spec div {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(245, 246, 248, 0.8);
}

.saiwei-page .floating-spec strong {
  display: block;
  color: var(--deep);
  font-size: 1rem;
}

.saiwei-page .floating-spec span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.saiwei-page .quick-card {
  width: var(--content);
  margin: auto;
  padding: 28px 30px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--silver-2);
  box-shadow: var(--soft-shadow-sm);
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 28px;
  align-items: start;
}

.saiwei-page .quick-card strong {
  color: #0b0d10;
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.saiwei-page .quick-card p {
  margin: 0;
  color: #424242;
  font-size: 1rem;
}

.saiwei-page .section.soft {
  background: var(--cream-2);
}

.saiwei-page .section.blue-wash {
  background: linear-gradient(180deg, #f8f8f8 0, var(--cream) 100%);
}

.saiwei-page .section-head {
  width: var(--content);
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: flex-end;
  margin-bottom: 38px;
}

.saiwei-page .section-head > div:first-child {
  max-width: 820px;
}

.saiwei-page .section-number {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--silver-3);
  border: 1px solid var(--silver-2);
  color: var(--royal);
  font-size: 0.72rem;
  font-weight: 900;
}

.saiwei-page .chart-wrap {
  width: var(--content);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.saiwei-page .size-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: #fff;
  border: 1px solid rgba(17, 24, 39, 0.1);
  box-shadow: var(--soft-shadow-sm);
}

.saiwei-page .size-card.carbon {
  background: linear-gradient(180deg, #fff 0, #f6f8fc 100%);
}

.saiwei-page .size-card.plastic {
  background: linear-gradient(180deg, #fff 0, #f7f7f8 100%);
}

/* Ultra is the third carbon fiber line. It spans the full grid row so the
   Classic/PP pair above keeps its side-by-side comparison, and so the card
   reads as a separate size run rather than a third column of the same table. */
.saiwei-page .size-card.ultra {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, #fff 0, #f4f6fb 100%);
}

.saiwei-page .size-card.ultra .table-shell {
  padding: 0 28px 18px;
}

.saiwei-page .size-card.ultra .size-card-link {
  margin: 0 28px 26px;
}

.saiwei-page .size-card-top {
  padding: 26px 28px 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.saiwei-page .material-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--blue-100, #f2ffde);
  color: var(--royal);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.saiwei-page .material-label.silver {
  background: var(--silver-2);
  color: #636363;
}

.saiwei-page .material-label.ultra {
  background: #e2e8f6;
  color: #26375f;
}

.saiwei-page .size-card h3 {
  margin: 10px 0 0;
  font-size: 1.55rem;
  line-height: 1.15;
  color: var(--deep);
}

.saiwei-page .size-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.saiwei-page .table-shell {
  padding: 0 18px 18px;
  overflow-x: auto;
}
.saiwei-page .size-card table {
  min-width: 430px;
}

.saiwei-page table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.saiwei-page th {
  padding: 12px 15px;
  text-align: left;
  color: #636363;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--silver-3);
  border-top: 1px solid var(--silver-2);
  border-bottom: 1px solid var(--silver-2);
}

.saiwei-page th:first-child {
  border-left: 1px solid var(--silver-2);
  border-radius: 14px 0 0 14px;
}

.saiwei-page th:last-child {
  border-right: 1px solid var(--silver-2);
  border-radius: 0 14px 14px 0;
  text-align: right;
}

.saiwei-page td {
  padding: 12px 15px;
  border-bottom: 1px solid rgba(17, 24, 39, 0.07);
  color: #424242;
}

.saiwei-page td:last-child {
  text-align: right;
  color: var(--deep);
  font-weight: 850;
}

.saiwei-page tbody tr:last-child td {
  border-bottom: 0;
}

.saiwei-page .size-card-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin: 0 18px 18px;
  padding: 14px 16px;
  border-radius: 15px;
  background: rgba(11, 13, 16, 0.06);
  color: var(--royal);
  font-weight: 850;
}

.saiwei-page .chart-note {
  width: var(--content);
  margin: 22px auto 0;
  padding: 18px 20px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--silver-2);
  color: #636363;
}

.saiwei-page .chart-note strong {
  color: var(--deep);
}

.saiwei-page .measure-grid {
  width: var(--content);
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: stretch;
}

.saiwei-page .measure-visual {
  position: relative;
  min-height: 520px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(145deg, #dbdbdb, #dbdbdb);
  box-shadow: var(--soft-shadow-sm);
}

.saiwei-page .measure-visual img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.saiwei-page .measure-visual.is-missing img {
  display: none;
}

.saiwei-page .measure-visual::after {
  content: "MEASUREMENT VISUAL";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #505050;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.saiwei-page .measure-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.saiwei-page .measure-intro {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--silver-2);
  box-shadow: var(--soft-shadow-sm);
}

.saiwei-page .measure-intro h3 {
  margin: 0;
  color: var(--deep);
  font-size: 1.35rem;
}

.saiwei-page .measure-intro p {
  margin: 10px 0 0;
  color: var(--muted);
}

.saiwei-page .steps {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.saiwei-page .step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
  padding: 17px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 24, 39, 0.08);
}

.saiwei-page .step b {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: #c7ff2e;
  color: #0b0d10;
  font-size: 0.78rem;
  box-shadow: 0 8px 18px rgba(11, 13, 16, 0.16);
}

.saiwei-page .step strong {
  display: block;
  color: var(--deep);
}

.saiwei-page .step span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.9rem;
}

.saiwei-page .planned-tool {
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--silver-3);
  border: 1px dashed var(--silver);
  color: #505050;
}

.saiwei-page .planned-tool strong {
  display: block;
  color: var(--deep);
  margin-bottom: 4px;
}

.saiwei-page .decision-shell {
  width: var(--content);
  margin: auto;
  padding: 38px;
  border-radius: var(--radius-xl);
  background: linear-gradient(
    135deg,
    var(--deep) 0,
    #0d0d0d 56%,
    var(--royal) 100%
  );
  color: #fff;
  box-shadow: var(--soft-shadow);
  position: relative;
  overflow: hidden;
}

.saiwei-page .decision-shell::after {
  content: "SIZE ≠ AGE";
  position: absolute;
  right: -18px;
  bottom: -38px;
  font-size: clamp(4rem, 10vw, 10rem);
  line-height: 1;
  font-weight: 950;
  letter-spacing: -0.07em;
  color: rgba(255, 255, 255, 0.06);
  white-space: nowrap;
}

.saiwei-page .decision-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 40px;
  align-items: start;
}

.saiwei-page .decision-shell h2 {
  margin: 10px 0 0;
  font-size: clamp(2.5rem, 4.7vw, 3.3rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.saiwei-page .decision-shell p {
  color: #dbdbdb;
}

.saiwei-page .decision-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.saiwei-page .decision-point {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}

.saiwei-page .decision-point strong {
  display: block;
  font-size: 0.92rem;
}

.saiwei-page .decision-point span {
  display: block;
  margin-top: 4px;
  color: #dbdbdb;
  font-size: 0.84rem;
}

.saiwei-page .ifab-note {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.87rem;
  color: #ebebeb;
}

.saiwei-page .story-grid {
  width: var(--content);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.saiwei-page .story-card {
  border-radius: var(--radius-xl);
  background: #fff;
  border: 1px solid var(--silver-2);
  overflow: hidden;
  box-shadow: var(--soft-shadow-sm);
}

.saiwei-page .story-media {
  min-height: 300px;
  background: linear-gradient(145deg, #ebebeb, #dbdbdb);
  position: relative;
  overflow: hidden;
}

.saiwei-page .story-media img {
  width: 100%;
  height: 370px;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.saiwei-page .story-media.is-missing img {
  display: none;
}

.saiwei-page .story-media::after {
  content: "REAL PRODUCT / FIT VISUAL";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #9f9f9f;
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.saiwei-page .story-body {
  padding: 27px 28px 29px;
}

.saiwei-page .story-body h2 {
  margin: 9px 0 0;
  font-size: 2rem;
  line-height: 1.05;
  color: var(--deep);
  letter-spacing: -0.035em;
}

.saiwei-page .story-body p {
  color: var(--muted);
}

.saiwei-page .story-body ol,
.saiwei-page .story-body ul {
  padding-left: 20px;
  color: #424242;
}

.saiwei-page .story-body li + li {
  margin-top: 7px;
}

.saiwei-page .compare-card {
  width: var(--content);
  margin: auto;
  border-radius: var(--radius-xl);
  background: #fff;
  border: 1px solid var(--silver-2);
  box-shadow: var(--soft-shadow-sm);
  overflow: hidden;
}

.saiwei-page .compare-head {
  padding: 30px 32px 20px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
}

.saiwei-page .compare-head h2 {
  margin: 10px 0 0;
  font-size: clamp(2.2rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.045em;
  color: var(--deep);
}

.saiwei-page .compare-table {
  padding: 0 20px 24px;
  overflow-x: auto;
}

.saiwei-page .compare-table table {
  min-width: 690px;
}

.saiwei-page .compare-foot {
  margin: 0 24px 24px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--silver-3);
  color: #636363;
  font-size: 0.9rem;
}

.saiwei-page .mini-shell {
  width: var(--content);
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
  gap: 28px;
  align-items: center;
}

.saiwei-page .mini-copy {
  padding: 18px 4vw 18px 0;
}

.saiwei-page .mini-copy h2 {
  margin: 12px 0 0;
  font-size: clamp(2.4rem, 4.6vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--deep);
}

.saiwei-page .mini-copy p {
  color: var(--muted);
}

.saiwei-page .mini-visual {
  min-height: 390px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(145deg, #dbdbdb, #dbdbdb);
  position: relative;
  box-shadow: var(--soft-shadow-sm);
}

.saiwei-page .mini-visual img {
  width: 100%;
  height: 390px;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.saiwei-page .mini-visual.is-missing img {
  display: none;
}

.saiwei-page .mini-visual::after {
  content: "MINI VS REGULAR VISUAL";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #9f9f9f;
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.saiwei-page .faq-shell {
  width: var(--content);
  margin: auto;
  display: grid;
  grid-template-columns: minmax(250px, 0.38fr) minmax(0, 0.62fr);
  gap: 46px;
  align-items: start;
}

.saiwei-page .faq-intro {
  position: sticky;
  top: 24px;
}

.saiwei-page .faq-intro p {
  color: var(--muted);
}

.saiwei-page .faq-list {
  display: grid;
  gap: 12px;
}

.saiwei-page details {
  border: 1px solid var(--silver-2);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 7px 20px rgba(17, 24, 39, 0.05);
  overflow: hidden;
}

.saiwei-page summary {
  list-style: none;
  cursor: pointer;
  padding: 19px 22px;
  font-weight: 850;
  color: var(--deep);
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.saiwei-page summary::-webkit-details-marker {
  display: none;
}

.saiwei-page summary::after {
  content: "+";
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--silver-3);
  display: grid;
  place-items: center;
  color: #0b0d10;
  font-size: 1rem;
  flex: 0 0 auto;
}

.saiwei-page details[open] summary::after {
  content: "–";
}

.saiwei-page details > div {
  padding: 0 22px 20px;
  color: var(--muted);
}

.saiwei-page details > div p {
  margin: 0;
}

.saiwei-page .final {
  padding: 42px 0 90px;
  background: var(--cream);
}

.saiwei-page .final-card {
  width: var(--content);
  margin: auto;
  padding: 48px;
  border-radius: 34px;
  background: linear-gradient(
    135deg,
    var(--royal) 0,
    #0d0d0d 48%,
    var(--deep) 100%
  );
  color: #fff;
  box-shadow: 0 28px 70px rgba(11, 13, 16, 0.22);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
}

.saiwei-page .final-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.saiwei-page .footer-inner {
  width: var(--content);
  margin: auto;
  padding: 34px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.saiwei-page .footer-brand {
  color: #fff;
  font-weight: 950;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.saiwei-page .footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.saiwei-page .footer-links a {
  font-size: 0.75rem;
}

@media (max-width: 1024px) {
  .saiwei-page .desktop-nav {
    display: none;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .header-inner {
    grid-template-columns: 1fr auto auto;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .menu-btn {
    display: grid;
    place-items: center;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .hero-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .hero-copy {
    padding: 36px 0 8px;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .hero-visual,
  .saiwei-page .hero-visual img {
    min-height: 520px;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .measure-grid,
  .saiwei-page .decision-grid,
  .saiwei-page .mini-shell,
  .saiwei-page .faq-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .faq-intro {
    position: static;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .final-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .saiwei-page .final-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 767px) {
  .saiwei-page {
    --content: min(calc(100% - 24px), 1350px);
  }
}

@media (max-width: 767px) {
  .saiwei-page .header-cta {
    display: none;
  }
}

@media (max-width: 767px) {
  .saiwei-page .header-inner {
    min-height: 68px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .mobile-menu {
    top: 68px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .hero {
    padding-top: 24px;
  }
}

@media (max-width: 767px) {
  .saiwei-page h1 {
    font-size: clamp(2.4rem, 12vw, 4.7rem);
  }
}

@media (max-width: 767px) {
  .saiwei-page .hero-copy p {
    font-size: 1rem;
  }
}

@media (max-width: 767px) {
  .saiwei-page .hero-actions {
    display: grid;
  }
}

@media (max-width: 767px) {
  .saiwei-page .hero-actions .btn {
    width: 100%;
  }
}

@media (max-width: 767px) {
  .saiwei-page .hero-visual,
  .saiwei-page .hero-visual img {
    min-height: 300px;
  }
  .saiwei-page .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .saiwei-page .floating-spec {
    grid-template-columns: 1fr;
    position: relative;
    right: 0;
    left: 0;
  }
}

@media (max-width: 767px) {
  .saiwei-page .floating-spec div {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
}

@media (max-width: 767px) {
  .saiwei-page .quick-card {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .section-head {
    align-items: flex-start;
  }
}

@media (max-width: 767px) {
  .saiwei-page .section-number {
    display: none;
  }
}

@media (max-width: 767px) {
  .saiwei-page .chart-wrap,
  .saiwei-page .story-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .saiwei-page .size-card-top {
    padding: 22px 20px 14px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .table-shell {
    padding: 0 10px 12px;
  }
}

@media (max-width: 767px) {
  .saiwei-page th,
  .saiwei-page td {
    padding: 11px 10px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .size-card-link {
    margin: 0 10px 10px;
  }
}

/* The full-width Ultra card carries desktop-only padding; restore the
   standard mobile gutters it would otherwise out-specify. */
@media (max-width: 767px) {
  .saiwei-page .size-card.ultra .table-shell {
    padding: 0 10px 12px;
  }
  .saiwei-page .size-card.ultra .size-card-link {
    margin: 0 10px 10px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .measure-visual,
  .saiwei-page .measure-visual img {
    min-height: 360px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .measure-intro {
    padding: 22px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .step {
    grid-template-columns: 42px 1fr;
    padding: 15px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .decision-shell {
    padding: 28px 22px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .decision-points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .saiwei-page .story-body {
    padding: 24px 22px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .story-media,
  .saiwei-page .story-media img {
    height: 240px;
    min-height: 240px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .compare-head {
    padding: 25px 22px 16px;
    align-items: flex-start;
  }
}

@media (max-width: 767px) {
  .saiwei-page .mini-copy {
    padding-right: 0;
  }
}

@media (max-width: 767px) {
  .saiwei-page .mini-visual,
  .saiwei-page .mini-visual img {
    height: 320px;
    min-height: 320px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .final {
    padding-bottom: 76px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .final-card {
    padding: 32px 24px;
    border-radius: 26px;
  }
}

@media (max-width: 767px) {
  .saiwei-page .final-actions {
    display: grid;
  }
}

@media (max-width: 767px) {
  .saiwei-page .final-actions .btn {
    width: 100%;
  }
}

@media (max-width: 767px) {
  .saiwei-page .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 767px) {
  .saiwei-page .mobile-sticky {
    display: block;
    position: fixed;
    z-index: 80;
    left: 10px;
    right: 10px;
    bottom: 10px;
    padding: 7px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(15px);
    box-shadow: 0 14px 38px rgba(17, 24, 39, 0.2);
  }
}

@media (max-width: 767px) {
  .saiwei-page .mobile-sticky .btn {
    width: 100%;
  }
}

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

.saiwei-page section {
  padding: 65px 0 !important;
}

@media (max-width: 780px) {
  .saiwei-page section {
    padding: 30px 0 !important;
  }
}