/* ============================================================
   项目中心 /projects/ — 页面专属样式，全部限定在 .page-products
   ============================================================ */

.page-products {
  background: var(--navy-900);
  color: var(--ink);
  overflow-x: hidden;
}

@supports (overflow: clip) {
  .page-products {
    overflow-x: clip;
  }
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 1.4rem 0 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--orange-300);
  border-bottom-color: var(--orange-300);
}

.page-products .breadcrumb .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-products .pj-hero {
  position: relative;
  padding: 1.25rem 0 3.5rem;
  overflow: hidden;
}

.page-products .pj-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -22%;
  width: 78%;
  height: 168%;
  background: linear-gradient(150deg, rgba(255, 90, 31, 0.17), rgba(255, 90, 31, 0) 58%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-products .pj-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: -4%;
  width: 108%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 22%, var(--line) 78%, transparent);
  transform: rotate(-0.6deg);
  pointer-events: none;
}

.page-products .pj-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.25rem;
}

.page-products .pj-hero__lead h1 {
  margin: 0.6rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 7vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 22ch;
}

.page-products .pj-hero__lede {
  max-width: 56ch;
  font-size: var(--fs-17);
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pj-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ---------- 首屏右侧概览板 ---------- */
.page-products .pj-board {
  position: relative;
  padding: 1.25rem 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange-500);
  background: linear-gradient(180deg, rgba(11, 33, 56, 0.94), rgba(4, 16, 31, 0.94));
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
}

.page-products .pj-board__row {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pj-board__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pj-board__name {
  margin: 0 0 0.3rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-14);
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .pj-board__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--green-400);
}

/* ---------- 三大项目横向长条 ---------- */
.page-products .pj-strip {
  position: relative;
  padding: 3.25rem 0 3rem;
  overflow: hidden;
}

.page-products .pj-strip--tint {
  background: var(--navy-800);
}

.page-products .pj-strip::before {
  content: "";
  position: absolute;
  top: 0;
  left: -4%;
  width: 108%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 20%, rgba(255, 90, 31, 0.45) 52%, var(--line) 80%, transparent);
  transform: rotate(-0.5deg);
  pointer-events: none;
}

.page-products .pj-strip::after {
  content: "";
  position: absolute;
  top: -60%;
  right: -12%;
  width: 32%;
  height: 220%;
  background: linear-gradient(180deg, rgba(255, 90, 31, 0.06), rgba(255, 90, 31, 0) 65%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-products .pj-strip__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
}

.page-products .pj-strip__id {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-products .pj-strip__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.75rem, 11vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--orange-500);
  font-variant-numeric: tabular-nums;
}

.page-products .pj-strip__title {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.4vw, 2.125rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .pj-strip__kicker {
  margin: 0.5rem 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--orange-300);
}

.page-products .pj-strip__body {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.page-products .pj-strip__text {
  max-width: 66ch;
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pj-strip__link {
  margin: 0.25rem 0 0;
}

/* ---------- 数据点 ---------- */
.page-products .pj-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pj-facts__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(61, 242, 140, 0.55);
  background: rgba(255, 255, 255, 0.018);
  transition: border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-products .pj-facts__item:hover {
  border-color: var(--orange-500);
  background: rgba(255, 90, 31, 0.05);
}

.page-products .pj-facts__v {
  flex: 0 0 auto;
  min-width: 3.6rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-22);
  line-height: 1;
  color: var(--green-400);
  font-variant-numeric: tabular-nums;
}

.page-products .pj-facts__l {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pj-facts__l .data-num {
  color: var(--green-400);
}

/* ---------- 状态标签行 ---------- */
.page-products .pj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 图片容器内的说明 ---------- */
.page-products .pj-strip__figure {
  margin: 0.5rem 0 0;
}

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

/* ---------- 右侧浮动面板 ---------- */
.page-products .pj-rail {
  padding: 1rem 1rem 1.25rem;
  border: 1px solid var(--line);
  background: rgba(7, 24, 40, 0.85);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}

.page-products .pj-rail .eyebrow {
  margin: 0 0 0.5rem;
}

.page-products .pj-rail__hint {
  margin: 0 0 0.9rem;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pj-rail__figure {
  margin: 0;
}

/* ---------- 组合使用 ---------- */
.page-products .pj-flow {
  position: relative;
  padding: 3.5rem 0 3rem;
  background: var(--navy-800);
  border-top: 1px solid var(--line);
}

.page-products .pj-flow__lede {
  max-width: 62ch;
  margin: 0.6rem 0 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pj-sequence {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pj-sequence__item {
  position: relative;
  padding: 1.5rem 0 1.5rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.page-products .pj-sequence__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2.1rem;
  width: 8px;
  height: 8px;
  background: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.16);
}

.page-products .pj-sequence__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--orange-300);
}

.page-products .pj-sequence__title {
  margin: 0.5rem 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--ink);
}

.page-products .pj-sequence__body {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-17);
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pj-flow__aside {
  margin: 1.75rem 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pj-flow__aside a {
  color: var(--orange-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 92, 0.45);
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-products .pj-flow__aside a:hover,
.page-products .pj-flow__aside a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 使用场景 ---------- */
.page-products .pj-scenes {
  padding: 3.5rem 0 3rem;
  border-top: 1px solid var(--line);
}

.page-products .pj-scenes__lede {
  max-width: 60ch;
  margin: 0.6rem 0 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pj-scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
}

.page-products .pj-scene {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pj-scene__title {
  margin: 0.6rem 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--ink);
}

.page-products .pj-scene__body {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-17);
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pj-scenes__figure {
  margin: 2rem 0 0;
  max-width: 22rem;
}

/* ---------- 版本对照 ---------- */
.page-products .pj-compare {
  padding: 3.5rem 0 3.25rem;
  background: var(--navy-800);
  border-top: 1px solid var(--line);
}

.page-products .pj-compare__lede {
  max-width: 62ch;
  margin: 0.6rem 0 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pj-compare__figure {
  margin: 2rem 0 0;
}

.page-products .pj-table-wrap {
  margin-top: 1.75rem;
  border: 1px solid var(--line);
  background: rgba(4, 16, 31, 0.6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pj-table {
  width: 100%;
  min-width: 40rem;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--fs-14);
}

.page-products .pj-table th,
.page-products .pj-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.65;
}

.page-products .pj-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--navy-700);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-300);
  border-bottom: 1px solid var(--orange-500);
}

.page-products .pj-table tbody th {
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pj-table tbody td {
  color: var(--muted);
}

.page-products .pj-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.025);
}

.page-products .pj-table tbody tr:hover {
  background: rgba(255, 90, 31, 0.07);
}

.page-products .pj-table tbody tr:last-child th,
.page-products .pj-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pj-table .data-num {
  color: var(--green-400);
  font-weight: 700;
}

/* ---------- 上手流程 ---------- */
.page-products .pj-start {
  padding: 3.5rem 0 4.5rem;
  border-top: 1px solid var(--line);
}

.page-products .pj-start__lede {
  max-width: 60ch;
  margin: 0.6rem 0 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pj-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 2.25rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pj-step {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  align-items: baseline;
  column-gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pj-step__n {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-22);
  letter-spacing: -0.03em;
  color: var(--orange-500);
  font-variant-numeric: tabular-nums;
}

.page-products .pj-step__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-17);
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pj-step__body {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pj-start__cta {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-top: 2.5rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--line);
}

.page-products .pj-start__cta-text {
  margin: 0;
  max-width: 56ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--ink);
}

.page-products .pj-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .pj-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pj-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
  }

  .page-products .pj-scenes__figure {
    max-width: 20rem;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .pj-hero {
    padding: 1.75rem 0 4.5rem;
  }

  .page-products .pj-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 3rem;
  }

  .page-products .pj-strip {
    padding: 4rem 0 3.75rem;
  }

  .page-products .pj-strip__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 3rem;
    align-items: start;
  }

  .page-products .pj-strip__grid--rail {
    grid-template-columns: minmax(0, 3.6fr) minmax(0, 5.4fr) 320px;
    gap: 2.5rem;
  }

  .page-products .pj-strip__id {
    position: sticky;
    top: 2.5rem;
  }

  .page-products .pj-sequence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 2rem;
    border-top: 0;
  }

  .page-products .pj-sequence__item {
    padding: 2.25rem 0 1.75rem 1.5rem;
    border-top: 1px solid var(--line);
  }

  .page-products .pj-sequence__item::before {
    top: 0;
    transform: translateY(-50%);
    left: 1.5rem;
  }

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

  .page-products .pj-scenes__figure {
    max-width: 24rem;
    margin-top: 2.5rem;
  }

  .page-products .pj-steps {
    border-top: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 2.5rem;
  }

  .page-products .pj-step {
    grid-template-columns: 3.5rem 1fr;
    border-top: 2px solid var(--line);
    border-bottom: 0;
    padding: 1.75rem 0 0;
  }

  .page-products .pj-step__n {
    grid-row: 1 / 3;
  }

  .page-products .pj-start__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
    margin-top: 3.25rem;
    padding-top: 2rem;
  }

  .page-products .pj-start__cta-text {
    max-width: 46ch;
  }
}

@media (min-width: 1200px) {
  .page-products .pj-hero__lede {
    font-size: var(--fs-17);
  }

  .page-products .pj-strip__grid--rail {
    grid-template-columns: minmax(0, 3.4fr) minmax(0, 5.6fr) 320px;
  }
}