/* ===== 项目案例库 页面专属样式（全部限定在 .page-products 内） ===== */
.page-products {
  --pp-cut: 16px;
  --pp-gap: clamp(14px, 2.2vw, 22px);
  --pp-pad: clamp(18px, 2.6vw, 26px);
  --pp-accent-line: rgba(201, 162, 39, .24);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(26px, 5vw, 52px) 0 clamp(34px, 5vw, 64px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(130% 100% at 92% -10%, rgba(201, 162, 39, .15), transparent 60%),
    radial-gradient(90% 80% at -6% 8%, rgba(70, 208, 200, .10), transparent 62%);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: min(48vw, 440px);
  background: repeating-linear-gradient(115deg, rgba(201, 162, 39, .07) 0 2px, transparent 2px 15px);
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent 44%, var(--cyan));
  opacity: .5;
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero .breadcrumb {
  margin-bottom: clamp(16px, 2.5vw, 24px);
}

.page-products .pp-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.6vw, 88px);
  line-height: 1.04;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .pp-hero__line {
  display: block;
}

.page-products .pp-hero__line--accent {
  color: var(--gold-soft);
}

.page-products .pp-hero__line--accent::after {
  content: "";
  display: block;
  width: clamp(76px, 20vw, 210px);
  height: 6px;
  margin-top: 12px;
  background: linear-gradient(90deg, var(--coral), rgba(255, 107, 74, 0));
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-products .pp-hero__lead {
  max-width: 62ch;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--paper);
  opacity: .9;
}

/* 首屏数据条 */
.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 1px;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

@media (min-width: 720px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pp-stats__item {
  padding: 15px 16px;
  background: var(--night);
}

.page-products .pp-stats__num {
  display: block;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.05;
  color: var(--gold-soft);
}

.page-products .pp-stats__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--mist);
}

/* 首屏快速跳转 */
.page-products .pp-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--paper);
  text-decoration: none;
  background: rgba(23, 69, 58, .55);
  border: 1px solid var(--pp-accent-line);
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%, 0 var(--pp-cut));
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .pp-hero__jump .mono {
  font-size: 12px;
  color: var(--cyan);
}

.page-products .pp-hero__jump a:hover {
  background: rgba(201, 162, 39, .16);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .pp-hero__jump a:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--cyan);
}

/* ---------- 通用段落间距由共享 .section 承担，这里只补页面节奏 ---------- */
.page-products .section {
  position: relative;
}

.page-products .pp-cat__lead,
.page-products .pp-dossier__note,
.page-products .pp-code__copy > p {
  max-width: 68ch;
  margin-top: 14px;
  color: var(--paper);
  opacity: .88;
  line-height: 1.78;
}

/* ---------- 01 分类总览 ---------- */
.page-products .pp-cat__intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-products .pp-cat__intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

.page-products .pp-cat__figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-products .pp-cat__figure {
    transform: translateY(14px);
  }
}

.page-products .pp-cat__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 620px) {
  .page-products .pp-cat__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .pp-cat__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pp-cat__item {
  position: relative;
  padding: var(--pp-pad);
  background: var(--archive);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%, 0 var(--pp-cut));
  transition: background var(--t-base) var(--ease), transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-products .pp-cat__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 46px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 39, 0));
}

.page-products .pp-cat__item:nth-child(4n + 2)::before {
  background: linear-gradient(180deg, var(--cyan), rgba(70, 208, 200, 0));
}

.page-products .pp-cat__item:hover,
.page-products .pp-cat__item:focus-within {
  background: var(--stratum);
  border-color: var(--gold);
  transform: translateY(-6px);
}

.page-products .pp-cat__idx {
  display: block;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .08em;
}

.page-products .pp-cat__name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pp-cat__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 02 标签筛选 ---------- */
.page-products .pp-tags__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

@media (min-width: 900px) {
  .page-products .pp-tags__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pp-tags__group {
  position: relative;
  padding: var(--pp-pad);
  background: linear-gradient(180deg, rgba(23, 69, 58, .62), rgba(16, 49, 42, .92));
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-products .pp-tags__group::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.page-products .pp-tags__group--cyan::after {
  background: linear-gradient(90deg, var(--cyan), transparent 78%);
}

.page-products .pp-tags__group--gold::after {
  background: linear-gradient(90deg, var(--gold), transparent 78%);
}

.page-products .pp-tags__group--coral::after {
  background: linear-gradient(90deg, var(--coral), transparent 78%);
}

.page-products .pp-tags__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-tags__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pp-tags__count {
  font-size: 12px;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .pp-tags__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-tag {
  display: inline-block;
  padding: 5px 11px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--paper);
  background: rgba(10, 28, 23, .74);
  border: 1px solid var(--line-soft);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-products .pp-tags__group--cyan .pp-tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products .pp-tags__group--gold .pp-tag:hover {
  border-color: var(--gold-soft);
  color: var(--gold-soft);
}

.page-products .pp-tags__group--coral .pp-tag:hover {
  border-color: var(--coral);
  color: var(--coral);
}

.page-products .pp-tags__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ---------- 03 升级版栏目 卡片瀑布流 ---------- */
.page-products .pp-flow {
  column-count: 1;
  column-gap: var(--pp-gap);
}

@media (min-width: 640px) {
  .page-products .pp-flow {
    column-count: 2;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-flow {
    column-count: 3;
  }
}

.page-products .pp-card {
  position: relative;
  break-inside: avoid;
  margin: 0 0 var(--pp-gap);
  padding: var(--pp-pad);
  background:
    linear-gradient(90deg, rgba(201, 162, 39, .3) 0 3px, transparent 3px),
    linear-gradient(180deg, rgba(23, 69, 58, .72), rgba(16, 49, 42, .94));
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background var(--t-base) var(--ease), transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-products .pp-card:hover {
  border-color: var(--gold);
  background:
    linear-gradient(90deg, rgba(255, 107, 74, .45) 0 3px, transparent 3px),
    linear-gradient(180deg, rgba(23, 69, 58, .88), rgba(16, 49, 42, .98));
  transform: translateY(-6px);
}

.page-products .pp-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pp-card__ver {
  font-size: 12px;
  color: var(--gold-soft);
  letter-spacing: .08em;
}

.page-products .pp-card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-card__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 239, 227, .82);
}

.page-products .pp-card__for {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .pp-card__for .mono {
  margin-right: 8px;
  color: var(--cyan);
}

/* ---------- 04 旧版案例时间轴 ---------- */
.page-products .pp-tl__banner {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .pp-tl__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}

@media (min-width: 1024px) {
  .page-products .pp-tl__body {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

.page-products .pp-tl__side {
  margin: 0;
}

@media (max-width: 1023px) {
  .page-products .pp-tl__side {
    max-width: 320px;
  }
}

.page-products .pp-tl__scroller {
  position: relative;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding-bottom: 14px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(10, 28, 23, .55), rgba(16, 49, 42, .45));
}

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

.page-products .pp-tl__track {
  position: relative;
  display: flex;
  margin: 0;
  padding: 0 12px 10px;
  list-style: none;
  min-width: min-content;
}

.page-products .pp-tl__track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 27px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 9px, transparent 9px 18px);
}

.page-products .pp-tl__node {
  position: relative;
  flex: 0 0 auto;
  width: 152px;
  padding: 46px 16px 4px 0;
  scroll-snap-align: start;
}

.page-products .pp-tl__dot {
  position: absolute;
  top: 21px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--archive);
  border: 2px solid var(--gold);
}

.page-products .pp-tl__node--now .pp-tl__dot {
  background: var(--coral);
  border-color: var(--coral);
  box-shadow: 0 0 0 5px rgba(255, 107, 74, .18);
}

.page-products .pp-tl__year {
  display: block;
  font-size: 19px;
  letter-spacing: .06em;
  color: var(--gold-soft);
}

.page-products .pp-tl__node--now .pp-tl__year {
  color: var(--coral);
}

.page-products .pp-tl__num {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .pp-tl__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 05 档案构成 ---------- */
.page-products .pp-dossier__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

@media (min-width: 640px) {
  .page-products .pp-dossier__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pp-dossier__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pp-dossier__cell {
  position: relative;
  padding: var(--pp-pad);
  background: var(--archive);
  border-top: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-products .pp-dossier__cell:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-products .pp-dossier__cell:nth-child(3) {
  border-top-color: var(--gold-soft);
}

.page-products .pp-dossier__cell:nth-child(4) {
  border-top-color: var(--coral);
}

.page-products .pp-dossier__cell:hover {
  background: var(--stratum);
}

.page-products .pp-dossier__no {
  display: block;
  font-size: 34px;
  line-height: 1;
  color: rgba(201, 162, 39, .45);
  letter-spacing: .04em;
}

.page-products .pp-dossier__name {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pp-dossier__cell p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 239, 227, .8);
}

.page-products .pp-dossier__note {
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-size: 15px;
  color: var(--mist);
}

/* ---------- 06 编号检索 ---------- */
.page-products .pp-code__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

@media (min-width: 980px) {
  .page-products .pp-code__layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
}

.page-products .pp-code__plate {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 6px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 16px;
  background: linear-gradient(120deg, rgba(201, 162, 39, .14), rgba(16, 49, 42, .9) 55%);
  border: 1px solid var(--pp-accent-line);
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%, 0 var(--pp-cut));
}

.page-products .pp-code__seg {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 12px;
  background: rgba(5, 9, 8, .5);
  border-left: 2px solid var(--gold-soft);
  min-width: 92px;
  flex: 1 1 92px;
}

.page-products .pp-code__seg b {
  font-size: 20px;
  line-height: 1.1;
  color: var(--gold-soft);
  letter-spacing: .06em;
}

.page-products .pp-code__seg i {
  font-style: normal;
  font-size: 12px;
  color: var(--mist);
}

.page-products .pp-code__sep {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--line);
}

.page-products .pp-code__samples {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pp-code__samples li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 12px 14px;
  background: var(--night);
  font-size: 14px;
  color: var(--mist);
}

.page-products .pp-code__samples .mono {
  font-size: 15px;
  color: var(--paper);
  letter-spacing: .08em;
  padding: 3px 9px;
  background: rgba(235, 208, 138, .14);
  border: 1px solid var(--pp-accent-line);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-products .pp-code__tip {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-coral);
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pp-code__figure {
  margin: 0;
}

/* ---------- 收尾入口 ---------- */
.page-products .pp-next__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(24px, 4vw, 44px);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 107, 74, .13), transparent 58%),
    linear-gradient(160deg, rgba(23, 69, 58, .9), rgba(10, 28, 23, .96));
  border: 1px solid var(--pp-accent-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

@media (min-width: 940px) {
  .page-products .pp-next__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: center;
  }
}

.page-products .pp-next__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.24;
  color: var(--paper);
}

.page-products .pp-next__lead {
  max-width: 52ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.76;
  color: var(--mist);
}

.page-products .pp-next__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 560px) {
  .page-products .pp-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pp-next__links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  text-decoration: none;
  background: rgba(10, 28, 23, .72);
  border: 1px solid var(--line-soft);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .pp-next__links a:hover {
  background: rgba(23, 69, 58, .95);
  border-color: var(--gold);
  transform: translateY(-3px);
}

.page-products .pp-next__links a:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-products .pp-next__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pp-next__meta {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .06em;
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pp-cat__item,
  .page-products .pp-card,
  .page-products .pp-hero__jump a,
  .page-products .pp-next__links a {
    transition: none;
  }

  .page-products .pp-cat__item:hover,
  .page-products .pp-card:hover,
  .page-products .pp-hero__jump a:hover,
  .page-products .pp-next__links a:hover {
    transform: none;
  }
}