.page-products {
  --pd-gap: 18px;
  --pd-shell-pad: 20px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(43, 233, 198, .12) 0%, rgba(11, 27, 43, 0) 62%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 59, 84, .6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 59, 84, .6) 1px, transparent 1px);
  background-size: 58px 58px;
  opacity: .3;
  pointer-events: none;
}

.page-products .pd-hero__shell {
  position: relative;
  z-index: 1;
  padding: 18px 0 46px;
}

.page-products .pd-hero__inner {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-products .pd-hero__kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 18px;
}

.page-products .pd-hero__kicker-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray);
  text-transform: uppercase;
}

.page-products .pd-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.07;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-products .pd-hero__text {
  margin: 0 0 26px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 栏目索引 */
.page-products .pd-index {
  margin: 0;
  border-top: 2px solid var(--line-2);
}

.page-products .pd-index__caption {
  margin: 14px 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gray);
  text-transform: uppercase;
}

.page-products .pd-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-index__item {
  border-bottom: 1px solid var(--line);
}

.page-products .pd-index__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  color: var(--text);
  text-decoration: none;
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}

.page-products .pd-index__link:hover,
.page-products .pd-index__link:focus-visible {
  color: var(--cyan);
  padding-left: 10px;
}

.page-products .pd-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .pd-index__label {
  font-size: 15px;
  line-height: 1.5;
}

/* ---------- 章节通用 ---------- */
.page-products .pd-block {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-block .section-head {
  margin-bottom: 30px;
}

.page-products .pd-figure {
  margin: 0 0 30px;
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.page-products .pd-figure .figure-media {
  overflow: hidden;
}

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

.page-products .pd-figure .figure-caption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 01 三种查看方式 ---------- */
.page-products .pd-modes {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-mode {
  padding: 22px 18px 20px;
  border-top-width: 3px;
  border-top-style: solid;
  display: flex;
  flex-direction: column;
}

.page-products .pd-mode--live { border-top-color: var(--cyan); }
.page-products .pd-mode--library { border-top-color: var(--violet); }
.page-products .pd-mode--download { border-top-color: var(--orange); }

.page-products .pd-mode__head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.page-products .pd-mode__badge {
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--bg);
  background: var(--cyan);
}

.page-products .pd-mode--library .pd-mode__badge { background: var(--violet); color: var(--white); }
.page-products .pd-mode--download .pd-mode__badge { background: var(--orange); color: var(--bg); }

.page-products .pd-mode__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

.page-products .pd-mode__sub {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-products .pd-mode__desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-mode__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-mode__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .pd-mode__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pd-mode__fit {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  padding: 10px 12px;
  background: var(--bg-3);
  border-left: 2px solid var(--line-2);
}

.page-products .pd-mode__fit-label {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .pd-mode__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 233, 198, .5);
  padding-bottom: 2px;
}

.page-products .pd-mode__link:hover,
.page-products .pd-mode__link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 02 模板矩阵 ---------- */
.page-products .pd-matrix {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .pd-tpl {
  border: 1px solid var(--line);
  background: var(--bg-2);
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-products .pd-tpl:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--hard-cyan);
}

.page-products .pd-tpl[open] {
  border-color: var(--cyan);
  box-shadow: var(--hard-cyan);
}

.page-products .pd-tpl__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .pd-tpl__summary::-webkit-details-marker { display: none; }

.page-products .pd-tpl__icon {
  color: var(--cyan);
  flex: none;
}

.page-products .pd-tpl__name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .01em;
}

.page-products .pd-tpl__toggle {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-products .pd-tpl__toggle::before,
.page-products .pd-tpl__toggle::after {
  content: "";
  position: absolute;
  background: var(--gray);
  transition: transform .25s var(--ease), background .25s var(--ease);
}

.page-products .pd-tpl__toggle::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-products .pd-tpl__toggle::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-products .pd-tpl[open] .pd-tpl__toggle::after { transform: scaleY(0); }
.page-products .pd-tpl[open] .pd-tpl__toggle::before { background: var(--cyan); }

.page-products .pd-tpl__body {
  padding: 4px 16px 18px;
  border-top: 1px dashed var(--line-2);
}

.page-products .pd-tpl__fields-title {
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-products .pd-tpl__fields {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
}

.page-products .pd-tpl__fields li {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text);
  padding: 5px 8px;
  background: var(--bg-3);
  border-left: 2px solid var(--line-2);
}

.page-products .pd-tpl__use {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 03 字段对照 ---------- */
.page-products .pd-compare {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 26px;
}

.page-products .pd-compare__col {
  padding: 20px 16px 16px;
  background: var(--bg-2);
}

.page-products .pd-compare__col--hist {
  background: var(--bg-3);
}

.page-products .pd-compare__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-compare__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-products .pd-compare__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-products .pd-compare__badge--violet { color: var(--violet); }

.page-products .pd-compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-compare__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(31, 59, 84, .9);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text);
}

.page-products .pd-compare__list li:last-child { border-bottom: 0; }

.page-products .pd-compare__val {
  flex: none;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .pd-compare__col--hist .pd-compare__val { color: var(--violet); }

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

.page-products .pd-stat {
  background: var(--bg-2);
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-products .pd-stat .stat-value {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pd-stat .stat-unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray);
}

.page-products .pd-stat .stat-label {
  width: 100%;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 04 资料库结构 ---------- */
.page-products .pd-library {
  display: grid;
  gap: 26px;
}

.page-products .pd-layers {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-layer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-layer__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-products .pd-layer__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .pd-layer__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gray);
}

.page-products .pd-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-left: 3px solid var(--orange);
}

.page-products .pd-note__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-figure--side { margin-bottom: 0; }

/* ---------- 05 订阅档位 ---------- */
.page-products .pd-plans {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-plan {
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
}

.page-products .pd-plan--accent {
  border-color: var(--orange);
  box-shadow: var(--hard);
}

.page-products .pd-plan__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.page-products .pd-plan__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 800;
  color: var(--white);
}

.page-products .pd-plan__desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-plan__scope {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pd-plan__chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  padding: 5px 10px;
  color: var(--gray);
  border: 1px solid var(--line-2);
  background: var(--bg-3);
}

.page-products .pd-plan__chip--on {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pd-plan__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pd-plan__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .pd-plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pd-plan__fit {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 06 三步操作 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  counter-reset: pdstep;
}

.page-products .pd-step {
  position: relative;
  background: var(--bg-2);
  padding: 22px 18px;
}

.page-products .pd-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  margin-bottom: 12px;
}

.page-products .pd-step__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-products .pd-step__desc {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-step__tip {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  padding-left: 12px;
  border-left: 2px solid var(--line-2);
}

.page-products .pd-trouble {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: var(--bg-3);
}

.page-products .pd-trouble__text {
  margin: 0;
  flex: 1 1 280px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-trouble__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 结尾 ---------- */
.page-products .pd-cta {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(43, 233, 198, .08) 0%, rgba(11, 27, 43, 0) 55%),
    var(--bg-3);
}

.page-products .pd-cta__inner {
  display: grid;
  gap: 20px;
  padding: 48px 0;
}

.page-products .pd-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
}

.page-products .pd-cta__text p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pd-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pd-modes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pd-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  .page-products .pd-cta__actions { justify-content: flex-end; }
}

@media (min-width: 900px) {
  .page-products .pd-block { padding: 88px 0; }
  .page-products .pd-hero__shell { padding: 26px 0 62px; }
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
    margin-top: 34px;
  }
  .page-products .pd-modes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-mode { padding: 26px 22px 22px; }
  .page-products .pd-matrix { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-compare { grid-template-columns: 1.05fr 1fr; }
  .page-products .pd-compare__col { padding: 24px 22px 20px; }
  .page-products .pd-library { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .page-products .pd-plans { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-step + .pd-step::before {
    content: "";
    position: absolute;
    left: 0;
    top: 30px;
    width: 12px;
    height: 1px;
    background: var(--cyan);
    transform: translateX(-50%);
  }
  .page-products .pd-step { padding: 26px 22px; }
}

@media (min-width: 1100px) {
  .page-products .pd-hero h1 { letter-spacing: -.025em; }
  .page-products .pd-tpl__body { padding: 6px 18px 20px; }
}

@media (max-width: 420px) {
  .page-products .pd-tpl__fields { grid-template-columns: 1fr; }
  .page-products .pd-compare__list li { flex-direction: column; gap: 2px; }
  .page-products .pd-hero__actions .btn { width: 100%; }
}