.page-products {
  --sv-gap: clamp(14px, 2.4vw, 22px);
  --sv-ink-soft: #3b3833;
  --sv-line-soft: rgba(23, 21, 18, 0.14);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-products .breadcrumbs {
  margin: 18px 0 0;
}

/* ---------- 首屏 ---------- */
.page-products .sv-hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px) 0 clamp(34px, 6vw, 72px);
  isolation: isolate;
}

.page-products .sv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(228, 87, 46, 0.15) 0%, rgba(228, 87, 46, 0.15) 34%, transparent 34.3%);
  pointer-events: none;
  z-index: -1;
}

.page-products .sv-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 42px);
}

.page-products .sv-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.015em;
  margin: 10px 0 0;
  max-width: 16em;
}

.page-products .sv-lede {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--sv-ink-soft);
  max-width: 30em;
}

.page-products .sv-lede a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-products .sv-hero-board {
  background: linear-gradient(158deg, var(--lake) 0%, var(--lake) 58%, var(--lake-mid) 100%);
  color: var(--paper);
  padding: 22px 20px 24px;
  border-top: 4px solid var(--sun);
  box-shadow: var(--plate-shadow);
}

.page-products .sv-board-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--copper);
  text-transform: uppercase;
}

.page-products .sv-board-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
}

.page-products .sv-board-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(25px, 4.2vw, 33px);
  font-weight: 700;
  line-height: 1;
  color: var(--sun);
}

.page-products .sv-board-key {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(247, 244, 236, 0.78);
}

.page-products .sv-board-note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(184, 137, 75, 0.45);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(247, 244, 236, 0.72);
}

/* ---------- 通用区块 ---------- */
.page-products .sv-section {
  padding: clamp(40px, 7vw, 86px) 0;
}

.page-products .sv-section--tint {
  background: var(--sand);
  border-top: 1.5px solid var(--sv-line-soft);
  border-bottom: 1.5px solid var(--sv-line-soft);
}

.page-products .sv-section--lake {
  background: var(--lake);
  color: var(--paper);
}

.page-products .sv-section--lake .section-title {
  color: var(--paper);
}

.page-products .sv-section--lake .eyebrow {
  color: var(--copper);
}

.page-products .section-title {
  margin: 10px 0 0;
  max-width: 22em;
}

.page-products .sv-lead {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sv-ink-soft);
  max-width: 42em;
}

.page-products .sv-section--lake .sv-lead,
.page-products .sv-section--lake .sv-log-copy > p {
  color: rgba(247, 244, 236, 0.82);
}

.page-products .sv-lead a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 服务总览 + 设备切换 ---------- */
.page-products .sv-overview {
  position: relative;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .sv-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  opacity: 0;
  overflow: hidden;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-products .sv-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1.5px solid var(--sv-line-soft);
}

.page-products .sv-switch label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  padding: 8px 15px;
  border: 1.5px solid var(--ink);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .sv-switch label:hover {
  background: rgba(23, 21, 18, 0.06);
}

.page-products #sv-dev-all:checked ~ .sv-switch label[for="sv-dev-all"],
.page-products #sv-dev-desk:checked ~ .sv-switch label[for="sv-dev-desk"],
.page-products #sv-dev-mob:checked ~ .sv-switch label[for="sv-dev-mob"] {
  background: var(--sun);
  border-color: var(--sun);
  color: var(--white);
}

.page-products #sv-dev-desk:checked ~ .sv-cards .sv-card[data-desktop="0"],
.page-products #sv-dev-mob:checked ~ .sv-cards .sv-card[data-mobile="0"] {
  display: none;
}

.page-products .sv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sv-gap);
}

.page-products .sv-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 18px 20px;
  background: var(--white);
  border: 1.5px solid var(--ink);
  box-shadow: var(--plate-shadow);
}

.page-products .sv-card::before {
  content: attr(data-no);
  position: absolute;
  top: 0;
  right: 0;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  background: var(--ink);
  color: var(--paper);
}

.page-products .sv-card:nth-child(1) {
  border-top: 4px solid var(--sun);
}

.page-products .sv-card:nth-child(2) {
  border-top: 4px solid var(--lake-mid);
}

.page-products .sv-card:nth-child(3) {
  border-top: 4px solid var(--copper);
}

.page-products .sv-card:nth-child(4) {
  border-top: 4px solid var(--lake);
}

.page-products .sv-card h3 {
  margin: 2px 0 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.page-products .sv-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sv-ink-soft);
}

.page-products .sv-card .tag {
  align-self: flex-start;
}

.page-products .sv-card-fit {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed rgba(23, 21, 18, 0.22);
  font-size: 12.5px;
  color: var(--slate);
}

/* ---------- 分栏图文 ---------- */
.page-products .sv-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
}

.page-products .sv-split-media {
  margin: 0;
}

.page-products .sv-points {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .sv-points li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sv-ink-soft);
}

.page-products .sv-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--sun);
}

.page-products .sv-points a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .sv-link {
  display: inline-block;
  margin-top: 22px;
  padding-bottom: 3px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--clay);
  border-bottom: 2px solid currentColor;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-products .sv-link:hover {
  color: var(--sun);
}

.page-products .sv-link--light {
  color: var(--copper);
}

.page-products .sv-link--light:hover {
  color: var(--sun);
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media-caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 移动端 ---------- */
.page-products .sv-mobile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .sv-mobile-visual {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
}

.page-products .sv-phone {
  width: min(238px, 78vw);
  padding: 14px 12px 12px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 20px;
  box-shadow: var(--plate-shadow);
}

.page-products .sv-phone::before {
  content: "";
  display: block;
  width: 46px;
  height: 5px;
  margin: 0 auto 12px;
  border-radius: 3px;
  background: rgba(23, 21, 18, 0.16);
}

.page-products .sv-phone-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.page-products .sv-phone-grid li {
  padding: 10px 6px;
  font-size: 11.5px;
  line-height: 1.3;
  text-align: center;
  background: var(--paper);
  border: 1px solid rgba(23, 21, 18, 0.18);
  border-radius: 2px;
  color: var(--ink);
}

.page-products .sv-phone-grid li:first-child {
  grid-column: 1 / -1;
  padding: 12px 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: var(--sun);
  border-color: var(--sun);
  color: var(--white);
}

.page-products .sv-phone-zone {
  margin: 12px 0 0;
  padding-top: 8px;
  border-top: 1px dashed rgba(23, 21, 18, 0.24);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-align: center;
  color: var(--slate);
}

.page-products .sv-mobile-shot {
  margin: 0;
  width: min(168px, 42vw);
  aspect-ratio: 3 / 4;
  border: 1.5px solid var(--ink);
  overflow: hidden;
  background: var(--white);
}

.page-products .sv-mobile-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 帮助中心 ---------- */
.page-products .sv-guide-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .sv-guide-media {
  margin: 0;
}

.page-products .sv-acc {
  background: var(--white);
  border: 1.5px solid var(--ink);
  margin-bottom: -1.5px;
}

.page-products .sv-acc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  list-style: none;
  background: var(--sand);
  transition: background 0.18s var(--ease);
}

.page-products .sv-acc summary::-webkit-details-marker {
  display: none;
}

.page-products .sv-acc summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--sun);
}

.page-products .sv-acc[open] summary::after {
  content: "−";
}

.page-products .sv-acc[open] summary {
  background: var(--white);
}

.page-products .sv-acc summary:hover {
  background: rgba(233, 223, 201, 0.62);
}

.page-products .sv-acc p {
  margin: 0;
  padding: 14px 16px 17px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sv-ink-soft);
  border-top: 1px solid rgba(23, 21, 18, 0.12);
}

/* ---------- 版本记录 ---------- */
.page-products .sv-log-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
}

.page-products .sv-log-media {
  margin: 0;
}

.page-products .sv-log-legend {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .sv-log-legend li {
  padding-left: 14px;
  border-left: 2px solid rgba(184, 137, 75, 0.6);
}

.page-products .sv-log-legend p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 244, 236, 0.8);
}

.page-products .sv-ver {
  position: relative;
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--copper);
  border: 1px solid var(--copper);
  cursor: help;
}

.page-products .sv-ver::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  width: max-content;
  max-width: 220px;
  padding: 8px 10px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: 0;
  border-radius: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0.18s;
  pointer-events: none;
  z-index: 4;
}

.page-products .sv-ver:hover::after,
.page-products .sv-ver:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-products .sv-ver:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

/* ---------- 适用场景 ---------- */
.page-products .sv-fit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .sv-fit-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px;
  background: var(--white);
  border: 1.5px solid var(--ink);
  border-left: 5px solid var(--lake-mid);
}

.page-products .sv-fit-card:nth-child(odd) {
  border-left-color: var(--sun);
}

.page-products .sv-fit-card .tag {
  align-self: flex-start;
}

.page-products .sv-fit-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.45;
}

.page-products .sv-fit-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sv-ink-soft);
}

.page-products .sv-fit-card a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .sv-banner {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

/* ---------- 流程 ---------- */
.page-products .sv-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .sv-step {
  background: var(--white);
  border: 1.5px solid var(--ink);
  height: 100%;
}

.page-products .sv-step summary {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 40px 15px 16px;
  cursor: pointer;
  list-style: none;
  background: var(--white);
}

.page-products .sv-step summary::-webkit-details-marker {
  display: none;
}

.page-products .sv-step summary::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 15px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--sun);
}

.page-products .sv-step[open] summary::after {
  content: "−";
}

.page-products .sv-step[open] summary {
  border-bottom: 1px solid rgba(23, 21, 18, 0.12);
}

.page-products .sv-step-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--sun);
}

.page-products .sv-step-title {
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-products .sv-step p {
  margin: 0;
  padding: 14px 16px 17px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sv-ink-soft);
}

/* ---------- 结尾 ---------- */
.page-products .sv-cta {
  padding: clamp(34px, 6vw, 70px) 0 clamp(44px, 7vw, 88px);
}

.page-products .sv-cta-inner {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 46px);
  background: var(--white);
  border: 1.5px solid var(--ink);
  box-shadow: var(--plate-shadow);
}

.page-products .sv-cta-inner::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 68px;
  height: 68px;
  background: var(--sun);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.page-products .sv-cta-inner .section-title {
  max-width: 20em;
}

.page-products .sv-cta-inner p {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sv-ink-soft);
}

.page-products .sv-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .sv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .sv-fit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .sv-hero-grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
    align-items: start;
  }

  .page-products .sv-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-products .sv-split-media {
    margin-top: -26px;
  }

  .page-products .sv-mobile-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.94fr);
    align-items: start;
  }

  .page-products .sv-mobile-visual {
    justify-content: flex-end;
  }

  .page-products .sv-guide-layout {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }

  .page-products .sv-log-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-products .sv-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
  }
}

@media (min-width: 1024px) {
  .page-products .sv-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .sv-fit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .sv-banner {
    margin-top: clamp(30px, 4vw, 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .sv-switch label,
  .page-products .sv-link,
  .page-products .sv-ver::after,
  .page-products .sv-acc summary {
    transition: none;
  }
}
<<<END>>>