.page-products {
  --dl-pad: clamp(18px, 4vw, 44px);
  padding: clamp(20px, 4vw, 52px) var(--dl-pad) clamp(56px, 8vw, 96px);
  max-width: var(--page-max);
  margin: 0 auto;
  font-family: var(--font-body);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
}

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

.page-products .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 13px;
}

.page-products .dl-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan-deep);
}

.page-products .dl-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

.page-products section {
  margin-top: clamp(52px, 7vw, 92px);
}

/* ---------- 首屏框景 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  border: 3px solid var(--cyan);
  box-shadow: 8px 8px 0 rgba(23, 195, 201, 0.22);
  padding: clamp(22px, 4vw, 48px);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--lemon) 58%, var(--red) 100%);
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background-image: repeating-linear-gradient(90deg, rgba(185, 214, 220, 0.16) 0 1px, transparent 1px 34px);
  pointer-events: none;
}

.page-products .dl-hero .dl-tag {
  position: relative;
  z-index: 1;
  color: var(--cyan);
}

.page-products .dl-hero h1 {
  position: relative;
  z-index: 1;
  margin: 14px 0 18px;
  max-width: 22ch;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-products .dl-lede {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-products .dl-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-products .dl-btn-ghost {
  display: inline-block;
  padding: 11px 20px;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 4px 4px 0 rgba(11, 21, 36, 0.15);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .dl-btn-ghost:hover,
.page-products .dl-btn-ghost:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(11, 21, 36, 0.2);
}

.page-products .dl-hero .dl-btn-ghost,
.page-products .dl-sub .dl-btn-ghost {
  border-color: var(--cyan);
  background: transparent;
  color: var(--cyan);
  box-shadow: 4px 4px 0 rgba(23, 195, 201, 0.22);
}

.page-products .dl-hero .dl-btn-ghost:hover,
.page-products .dl-sub .dl-btn-ghost:hover {
  box-shadow: 6px 6px 0 rgba(23, 195, 201, 0.32);
}

.page-products .dl-facts {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(185, 214, 220, 0.28);
  list-style: none;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.74);
}

.page-products .dl-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .dl-hero .dl-num,
.page-products .dl-sub .dl-num {
  color: var(--lemon);
}

.page-products .dl-facts .dl-num {
  font-size: 15px;
}

/* ---------- 章节标题 ---------- */
.page-products .dl-sec-head {
  margin-bottom: 24px;
}

.page-products .dl-sec-head h2 {
  margin: 8px 0 0;
  max-width: 24ch;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-products .dl-sub {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 图片 ---------- */
.page-products .dl-figure {
  margin: 0 0 26px;
}

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

/* ---------- 命令栏切换器 ---------- */
.page-products .dl-switchbar {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: 26px;
  border: 2px solid var(--ink);
}

.page-products .dl-switch-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 2px solid var(--ink);
  background: var(--mist);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .dl-switch-item:last-child {
  border-bottom: 0;
}

.page-products .dl-switch-item:hover,
.page-products .dl-switch-item:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.page-products .dl-switch-item:hover .dl-num,
.page-products .dl-switch-item:focus-visible .dl-num {
  color: var(--lemon);
}

.page-products .dl-switch-item:focus-visible {
  outline: 3px solid var(--lemon);
  outline-offset: -3px;
}

.page-products .dl-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(23, 195, 201, 0.22);
}

.page-products .dl-switch-item:nth-child(2) .dl-dot {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(226, 69, 47, 0.2);
}

.page-products .dl-switch-item:nth-child(3) .dl-dot {
  background: var(--lemon);
  box-shadow: 0 0 0 3px rgba(245, 226, 60, 0.28);
}

.page-products .dl-switch-item:hover .dl-dot,
.page-products .dl-switch-item:focus-visible .dl-dot {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.28);
}

.page-products .dl-switch-text {
  font-weight: 700;
}

/* ---------- 三种方式 ---------- */
.page-products .dl-ways {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 2px solid var(--line);
  border-top: 3px solid var(--cyan);
}

.page-products .dl-way {
  display: flex;
  flex-direction: column;
  padding: 26px 22px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.page-products .dl-way:last-child {
  border-bottom: 0;
}

.page-products .dl-way:nth-child(2) {
  background: var(--mist);
}

.page-products .dl-way h3 {
  margin: 10px 0 12px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .dl-way p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .dl-way .dl-way-foot {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .dl-way a {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 6px;
  color: var(--red-deep);
  font-size: 15px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .dl-way a:hover {
  color: var(--red);
}

/* ---------- 分栏 ---------- */
.page-products .dl-split {
  display: grid;
  gap: 30px;
}

.page-products .dl-split-main {
  min-width: 0;
}

/* ---------- 表格 ---------- */
.page-products .dl-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 2px solid var(--ink);
  background: var(--white);
}

.page-products .dl-table-scroll:focus-visible {
  outline: 3px solid var(--lemon);
  outline-offset: 2px;
}

.page-products .dl-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

.page-products .dl-table thead th {
  border-bottom: 2px solid var(--cyan);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.page-products .dl-table tbody th {
  background: var(--mist);
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .dl-table tbody td {
  border-bottom: 1px solid var(--line);
  color: var(--slate);
}

.page-products .dl-table--compare tbody tr:nth-child(even) td {
  background: rgba(185, 214, 220, 0.18);
}

.page-products .dl-table--compare tbody tr:hover td {
  background: rgba(23, 195, 201, 0.1);
}

.page-products .dl-table--spec {
  min-width: 640px;
}

.page-products .dl-table--spec tbody td,
.page-products .dl-table--spec tbody th {
  border-bottom: 1px dashed var(--line);
}

.page-products .dl-foot-note {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--slate);
}

.page-products .dl-foot-note a {
  color: var(--cyan-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 旁注 ---------- */
.page-products .dl-note {
  padding: 20px 20px 22px;
  border-left: 3px solid var(--cyan);
  background: var(--mist);
}

.page-products .dl-note-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
}

.page-products .dl-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .dl-note a {
  display: inline-block;
  margin-top: 12px;
  color: var(--red-deep);
  font-size: 14px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 安装四步 ---------- */
.page-products .dl-steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 3px solid var(--ink);
}

.page-products .dl-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-step-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-deep);
}

.page-products .dl-step h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
}

.page-products .dl-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .dl-tip {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 12px;
  border-left: 3px solid var(--lemon);
  background: rgba(245, 226, 60, 0.24);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 订阅区 ---------- */
.page-products .dl-sub {
  padding: clamp(24px, 4vw, 46px);
  border: 3px solid var(--cyan-deep);
  background: var(--ink);
  color: var(--white);
}

.page-products .dl-sub .dl-tag {
  color: var(--cyan);
}

.page-products .dl-sub h2 {
  margin: 10px 0 16px;
  max-width: 22ch;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-products .dl-sub-lede {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-products .dl-sub-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-sub-list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}

.page-products .dl-sub-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  background: var(--cyan);
}

.page-products .dl-sub-list strong {
  color: var(--white);
}

.page-products .dl-sub-switch {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(185, 214, 220, 0.24);
}

.page-products .dl-switch {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: 2px solid var(--cyan);
  background: transparent;
  color: var(--white);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .dl-switch:hover {
  background: rgba(23, 195, 201, 0.12);
}

.page-products .dl-switch:focus-visible {
  outline: 3px solid var(--lemon);
  outline-offset: 2px;
}

.page-products .dl-switch-track {
  position: relative;
  flex: 0 0 auto;
  width: 40px;
  height: 20px;
  border: 2px solid var(--cyan);
}

.page-products .dl-switch-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: var(--lemon);
  transition: transform var(--dur) var(--ease);
}

.page-products .dl-switch[aria-checked="true"] .dl-switch-knob {
  transform: translateX(20px);
}

.page-products .dl-switch-hint {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.68);
}

/* ---------- 常见情况 ---------- */
.page-products .dl-faq {
  margin: 0;
  padding: 0;
  border-top: 3px solid var(--cyan);
}

.page-products .dl-faq-item {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-faq-item dt {
  font-size: 16px;
  font-weight: 800;
}

.page-products .dl-faq-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 结尾 ---------- */
.page-products .dl-outro {
  padding: clamp(24px, 4vw, 40px);
  border: 2px solid var(--line);
  border-left: 5px solid var(--red);
  background: var(--mist);
}

.page-products .dl-outro h2 {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .dl-outro p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .dl-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .dl-switchbar {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .dl-switch-item {
    border-bottom: 0;
    border-right: 2px solid var(--ink);
  }

  .page-products .dl-switch-item:last-child {
    border-right: 0;
  }
}

@media (min-width: 860px) {
  .page-products .dl-ways {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .dl-way {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-products .dl-way:last-child {
    border-right: 0;
  }

  .page-products .dl-faq-item {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr);
    gap: 34px;
    align-items: baseline;
  }
}

@media (min-width: 940px) {
  .page-products .dl-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 42px;
    align-items: start;
  }

  .page-products .dl-sticky {
    position: sticky;
    top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-btn-ghost,
  .page-products .dl-switch,
  .page-products .dl-switch-knob,
  .page-products .dl-switch-item {
    transition: none;
  }

  .page-products .dl-btn-ghost:hover,
  .page-products .dl-btn-ghost:focus-visible {
    transform: none;
  }
}