.page-products {
  --dl-edge: rgba(200, 16, 46, .42);
  --dl-cyan-soft: rgba(41, 242, 214, .07);
  --dl-orange-soft: rgba(255, 122, 26, .08);
  --dl-card: linear-gradient(180deg, rgba(122, 10, 28, .2), rgba(28, 29, 34, .72));
  background:
    radial-gradient(120% 55% at 84% 0%, rgba(200, 16, 46, .16), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 42%, var(--ink) 100%);
  color: var(--text);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products .dl-crumb {
  padding-top: clamp(18px, 2.6vw, 30px);
}

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

.page-products .breadcrumb__item:last-child .breadcrumb__link {
  color: var(--white);
}

/* ---------- hero ---------- */

.page-products .dl-hero {
  padding: clamp(22px, 3.4vw, 44px) 0 clamp(46px, 6.5vw, 92px);
}

.page-products .dl-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 54px);
}

@media (min-width: 980px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, .66fr);
    align-items: start;
  }
}

.page-products .dl-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(33px, 6.2vw, 74px);
  line-height: 1.04;
  letter-spacing: -.022em;
  color: var(--white);
}

.page-products .dl-hero__lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.32vw, 18px);
  line-height: 1.78;
  color: var(--muted);
}

.page-products .dl-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .dl-hero__fact {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .dl-hero__fact b {
  margin-right: 7px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-products .dl-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: 0 30px 60px -50px rgba(41, 242, 214, .5);
}

.page-products .dl-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* ---------- 版本卡 ---------- */

.page-products .ver-card {
  margin-top: clamp(28px, 3.8vw, 44px);
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--dl-edge);
  background: var(--dl-card);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .04);
}

.page-products .ver-card__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 16px;
}

.page-products .ver-card__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(40px, 5.2vw, 58px);
  line-height: 1;
  letter-spacing: -.035em;
  color: var(--white);
}

.page-products .ver-card__tag {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .ver-card__specs {
  margin-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--line);
}

.page-products .ver-card__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .ver-card__key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-products .ver-card__val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
  text-align: right;
}

.page-products .ver-card__note {
  margin: clamp(14px, 1.8vw, 20px) 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 通用区块 ---------- */

.page-products .dl-sec {
  padding: clamp(46px, 6.6vw, 100px) 0;
}

.page-products .dl-sec + .dl-sec {
  border-top: 1px solid var(--line);
}

.page-products .dl-sec__head {
  display: grid;
  gap: 12px;
  max-width: 72ch;
  margin-bottom: clamp(26px, 3.4vw, 46px);
}

.page-products .dl-sec__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--red);
}

.page-products .dl-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -.016em;
  color: var(--white);
}

.page-products .dl-sec__lead {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.24vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-3);
  overflow: hidden;
}

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

.page-products .media__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 路径 ---------- */

.page-products .dl-path__media {
  margin-bottom: clamp(28px, 3.6vw, 48px);
}

.page-products .dl-path__media img {
  aspect-ratio: 2 / 1;
}

.page-products .dl-steps-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 780px) {
  .page-products .dl-steps-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .dl-steps-row__cell {
  background: var(--ink-2);
  padding: clamp(18px, 2.4vw, 30px);
  transition: background var(--ease);
}

.page-products .dl-steps-row__cell:hover {
  background: var(--ink-3);
}

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

.page-products .dl-steps-row__t {
  margin: 12px 0 0;
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.35;
}

.page-products .dl-steps-row__d {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 功能清单 ---------- */

.page-products .dl-feat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 48px);
}

@media (min-width: 940px) {
  .page-products .dl-feat {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .dl-feat__media img {
  aspect-ratio: 4 / 3;
}

.page-products .dl-feat__list {
  display: grid;
  gap: 0;
}

.page-products .dl-feat__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(16px, 2.2vw, 24px) 12px;
  border-top: 1px solid var(--line);
  outline: none;
  transition: background var(--ease), box-shadow var(--ease);
}

.page-products .dl-feat__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .dl-feat__item:hover {
  background: var(--dl-cyan-soft);
}

.page-products .dl-feat__item:focus-visible {
  background: var(--dl-cyan-soft);
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-products .dl-feat__icon {
  width: 26px;
  height: 26px;
  margin-top: 2px;
  flex: none;
  color: var(--cyan);
}

.page-products .dl-feat__icon--orange {
  color: var(--orange);
}

.page-products .dl-feat__name {
  margin: 0;
  font-size: clamp(16px, 1.35vw, 18px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
}

.page-products .dl-feat__desc {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .dl-feat__scenes {
  margin: 10px 0 0;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--orange);
}

/* ---------- 版本时间轴 ---------- */

.page-products .dl-tl__banner {
  margin-bottom: clamp(26px, 3.2vw, 42px);
}

.page-products .dl-tl__banner img {
  aspect-ratio: 8 / 3;
}

.page-products .dl-tl__wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 10px;
}

.page-products .dl-tl {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  min-width: 760px;
  padding-top: 6px;
}

.page-products .dl-tl::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 57px;
  height: 1px;
  background: var(--line);
}

.page-products .dl-tl__node {
  position: relative;
  padding-right: 20px;
}

.page-products .dl-tl__ver {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-products .dl-tl__dot {
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 18px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
  position: relative;
  z-index: 1;
}

.page-products .dl-tl__dot--orange {
  border-color: var(--orange);
}

.page-products .dl-tl__title {
  margin: 20px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-products .dl-tl__text {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 安装步骤 ---------- */

.page-products .dl-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 3.6vw, 52px);
}

@media (min-width: 980px) {
  .page-products .dl-install {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .72fr);
    align-items: start;
  }
}

.page-products .dl-install__steps {
  display: grid;
  gap: 0;
}

.page-products .dl-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 30px);
  padding: clamp(18px, 2.6vw, 30px) 0;
  border-top: 1px solid var(--line);
  transition: background var(--ease);
}

.page-products .dl-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .dl-step:hover {
  background: var(--dl-orange-soft);
}

.page-products .dl-step__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1;
  letter-spacing: -.025em;
  color: var(--red);
}

.page-products .dl-step__title {
  margin: 0;
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-products .dl-step__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .dl-install__media img {
  aspect-ratio: 1 / 1;
}

/* ---------- 常见疑问 ---------- */

.page-products .dl-asks {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 820px) {
  .page-products .dl-asks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .dl-ask {
  display: block;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--ink-2);
  text-decoration: none;
  transition: background var(--ease);
}

.page-products .dl-ask:hover,
.page-products .dl-ask:focus-visible {
  background: var(--ink-3);
  box-shadow: inset 0 -2px 0 var(--orange);
}

.page-products .dl-ask__q {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-products .dl-ask__a {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

.page-products .dl-asks__foot {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .dl-asks__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 242, 214, .45);
}

.page-products .dl-asks__foot a:hover,
.page-products .dl-asks__foot a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 通勤场景 ---------- */

.page-products .dl-commute {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 52px);
}

@media (min-width: 940px) {
  .page-products .dl-commute {
    grid-template-columns: minmax(0, .52fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .dl-commute__fig {
  display: flex;
  justify-content: center;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(41, 242, 214, .06), rgba(28, 29, 34, .5));
  color: var(--cyan);
}

.page-products .dl-commute__phone {
  width: min(230px, 100%);
  height: auto;
}

.page-products .dl-commute__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-commute__item {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 620px) {
  .page-products .dl-commute__item {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-products .dl-commute__time {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--orange);
}

.page-products .dl-commute__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .dl-commute__tip {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--red);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- 收束带 ---------- */

.page-products .dl-band {
  margin-top: clamp(30px, 4.4vw, 64px);
  padding: clamp(30px, 4.4vw, 58px) 0;
  border-top: 1px solid var(--dl-edge);
  background: linear-gradient(180deg, rgba(122, 10, 28, .26), rgba(14, 15, 18, 0));
}

.page-products .dl-band__inner {
  display: grid;
  gap: 14px;
  max-width: 92ch;
}

.page-products .dl-band__eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-products .dl-band__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.12;
  letter-spacing: -.016em;
  color: var(--white);
}

.page-products .dl-band__text {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.24vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

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

.page-products .dl-band__contact {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-feat__item,
  .page-products .dl-step,
  .page-products .dl-ask,
  .page-products .dl-steps-row__cell {
    transition: none;
  }
}