.page-products {
  --sv-pad: clamp(18px, 3vw, 30px);
  --sv-gap: clamp(14px, 2vw, 22px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  margin-top: clamp(14px, 2vw, 24px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--sage);
}

.page-products .breadcrumb__item {
  color: var(--sage);
}

.page-products .breadcrumb__item[aria-current="page"] {
  color: var(--mist);
}

.page-products .breadcrumb__sep {
  color: var(--cyan);
  opacity: .7;
}

/* ---------- 首屏横向服务带 ---------- */
.page-products .sv-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(28px, 4vw, 56px);
}

.page-products .sv-hero::before {
  content: "";
  position: absolute;
  inset: auto -20% 30% 55%;
  height: 320px;
  background: radial-gradient(closest-side, rgba(22, 224, 192, .16), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-products .sv-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-products .sv-hero__lead {
  display: grid;
  gap: 16px;
  max-width: 720px;
  justify-items: start;
}

.page-products .sv-hero__title {
  margin: 0;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--mist);
}

.page-products .sv-hero__lede {
  margin: 0;
  max-width: 60ch;
  color: var(--sage);
}

.page-products .sv-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-products .sv-hero__band {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(212px, 76%);
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .sv-band__item {
  scroll-snap-align: start;
  background: var(--glass-soft);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan-line);
  padding: 18px 18px 22px;
  display: grid;
  gap: 8px;
  align-content: start;
  min-height: 146px;
}

.page-products .sv-band__num {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .sv-band__label {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: .01em;
}

.page-products .sv-band__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 对比表 ---------- */
.page-products .sv-cmp {
  margin-top: clamp(22px, 3vw, 34px);
  gap: clamp(20px, 3vw, 34px);
}

.page-products .sv-cmp__main {
  min-width: 0;
}

.page-products .sv-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--glass-soft);
  -webkit-overflow-scrolling: touch;
}

.page-products .sv-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}

.page-products .sv-table caption {
  text-align: left;
}

.page-products .sv-table th,
.page-products .sv-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.6;
}

.page-products .sv-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sage);
  border-bottom: 1px solid var(--cyan-line);
  white-space: nowrap;
  background: rgba(255, 255, 255, .03);
}

.page-products .sv-table tbody th {
  font-weight: 600;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .sv-table tbody td {
  color: var(--sage);
}

.page-products .sv-table tbody tr:hover td,
.page-products .sv-table tbody tr:hover th {
  background: rgba(22, 224, 192, .05);
  color: var(--mist);
}

.page-products .sv-table tbody tr:last-child th,
.page-products .sv-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .sv-cmp__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .sv-cmp__tip {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--amber);
  background: var(--amber-soft);
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 订阅分档 ---------- */
.page-products .sv-tier-visual {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-products .sv-tier-grid {
  display: grid;
  gap: var(--sv-gap);
}

.page-products .sv-tier {
  position: relative;
  background: var(--glass-soft);
  border: 1px solid var(--line);
  padding: var(--sv-pad);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .sv-tier--focus {
  border-color: var(--cyan-line);
  background:
    linear-gradient(180deg, rgba(22, 224, 192, .12), transparent 62%),
    var(--glass);
}

.page-products .sv-tier__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .sv-tier__name {
  margin: 0;
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-products .sv-tier__fit {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sage);
}

.page-products .sv-tier__tags {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 服务路径 ---------- */
.page-products .sv-path-visual {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-products .sv-path {
  display: grid;
  gap: 10px;
  position: relative;
}

.page-products .sv-path::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-line), rgba(22, 224, 192, .06));
  pointer-events: none;
}

.page-products .sv-step {
  position: relative;
  margin-left: 0;
  border: 1px solid var(--line);
  background: var(--glass-soft);
  backdrop-filter: blur(8px);
}

.page-products .sv-step[open] {
  border-color: var(--cyan-line);
  background: var(--glass);
}

.page-products .sv-step__head {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px 16px 46px;
}

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

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

.page-products .sv-step__num {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  text-align: center;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--pitch-deep);
  background: var(--cyan);
  padding: 4px 0;
  font-weight: 700;
}

.page-products .sv-step:not([open]) .sv-step__num {
  background: rgba(22, 224, 192, .28);
  color: var(--mist);
}

.page-products .sv-step__title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: .01em;
}

.page-products .sv-step__mark {
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .22s ease;
}

.page-products .sv-step[open] .sv-step__mark {
  transform: rotate(-135deg);
}

.page-products .sv-step__body {
  padding: 0 18px 18px 46px;
}

.page-products .sv-step__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sage);
  max-width: 66ch;
}

.page-products .sv-step__body a {
  color: var(--cyan);
}

/* ---------- 设备适配 ---------- */
.page-products .sv-device-visual {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-products .sv-devices {
  margin-top: clamp(18px, 2.4vw, 26px);
  display: grid;
  gap: var(--sv-gap);
}

.page-products .sv-device {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan-line);
  background: var(--glass-soft);
  padding: 18px 20px;
}

.page-products .sv-device__name {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .sv-device p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sage);
}

.page-products .sv-note {
  margin-top: clamp(18px, 2.4vw, 26px);
}

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

/* ---------- 选择场景 ---------- */
.page-products .sv-scenes {
  margin-top: clamp(18px, 2.4vw, 26px);
  display: grid;
  gap: var(--sv-gap);
}

.page-products .sv-scene {
  background: var(--glass-soft);
  border: 1px solid var(--line);
  padding: var(--sv-pad);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .sv-scene__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .sv-scene__pick {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .sv-scene p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sage);
}

.page-products .sv-scene-visual {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-products .sv-cta {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  justify-items: start;
}

.page-products .sv-cta p {
  margin: 0;
  max-width: 68ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sage);
}

.page-products .sv-cta a {
  color: var(--cyan);
}

.page-products .sv-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .sv-cta__links .btn {
  color: var(--mist);
}

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

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-products .sv-hero__band {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }

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

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-products .sv-hero__band {
    grid-template-columns: 1.35fr 1fr 1fr 1.2fr;
    gap: 14px;
  }

  .page-products .sv-band__item {
    min-height: 178px;
    padding: 22px 20px 26px;
  }

  .page-products .sv-cmp {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .sv-tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .sv-tier:nth-child(2) {
    transform: translateY(-12px);
  }

  .page-products .sv-tier:nth-child(3) {
    transform: translateY(8px);
  }

  .page-products .sv-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .sv-hero__lead {
    max-width: 760px;
  }

  .page-products .sv-table th,
  .page-products .sv-table td {
    padding: 14px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .sv-step__mark {
    transition: none;
  }
}
</main>