/* ===== 项目中心 /projects/ ===== */
.page-products {
  --pr-cut: 16px;
  --pr-cut-sm: 10px;
  --pr-sub: rgba(232, 213, 183, .74);
  --pr-gap: clamp(1rem, 3vw, 1.75rem);
  display: block;
  background: var(--ink);
  color: var(--sand);
}

.page-products__crumbs {
  padding-top: clamp(1rem, 3vw, 1.6rem);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(.8rem, 2vw, 1.4rem);
  padding: clamp(2rem, 7vw, 4.2rem) 0 clamp(2.6rem, 9vw, 5rem);
  background:
    radial-gradient(115% 85% at 90% 4%, rgba(200, 16, 46, .38), transparent 62%),
    radial-gradient(95% 75% at 4% 100%, rgba(15, 123, 123, .32), transparent 60%),
    var(--ink);
  border-block: 1px solid var(--line);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(232, 213, 183, .05) 0 2px, transparent 2px 26px);
  pointer-events: none;
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -34%;
  height: 58%;
  transform: skewY(-5deg);
  background: linear-gradient(100deg, rgba(200, 16, 46, .40), rgba(212, 160, 23, .26) 48%, rgba(22, 166, 166, .32));
  opacity: .45;
  pointer-events: none;
}

.page-products .pr-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
  grid-template-columns: 1fr;
}

.page-products .pr-hero__lead {
  max-width: 46rem;
}

.page-products .pr-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 9vw, 5rem);
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--white);
  margin: .5rem 0 0;
}

.page-products .pr-hero__title span {
  display: block;
  color: var(--gold-bright);
}

.page-products .pr-hero__sub {
  margin: 1.1rem 0 0;
  max-width: 40rem;
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.85;
  color: var(--sand);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-products .pr-hero__index {
  border: 1px solid var(--line-strong);
  background: rgba(11, 11, 15, .6);
  padding: clamp(1rem, 3vw, 1.5rem);
  clip-path: polygon(var(--pr-cut) 0, 100% 0, 100% calc(100% - var(--pr-cut)), calc(100% - var(--pr-cut)) 100%, 0 100%, 0 var(--pr-cut));
}

.page-products .pr-index__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .pr-index {
  list-style: none;
  margin: .85rem 0 0;
  padding: 0;
  display: grid;
  gap: .3rem;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
}

.page-products .pr-index a {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: .45rem .1rem;
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  font-size: .95rem;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-products .pr-index a:hover,
.page-products .pr-index a:focus-visible {
  color: var(--gold-bright);
  border-color: var(--gold);
}

.page-products .pr-index__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gold);
}

/* ---------- 通用章节 ---------- */
.page-products .pr-section {
  padding: clamp(3rem, 8vw, 5.5rem) 0;
}

.page-products .pr-head {
  max-width: 62rem;
}

.page-products .pr-section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.8rem);
  line-height: 1.18;
  color: var(--white);
  margin: .45rem 0 .9rem;
}

.page-products .pr-section h3 {
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  font-weight: 700;
  color: var(--white);
  margin: 0 0 .45rem;
}

.page-products .pr-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--pr-sub);
  font-size: clamp(1rem, 2.2vw, 1.08rem);
  line-height: 1.82;
}

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

/* ---------- 资源库 ---------- */
.page-products .pr-catalog {
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  display: grid;
  gap: var(--pr-gap);
}

.page-products .pr-catalog__media {
  margin: 0;
}

.page-products .pr-tiles {
  display: grid;
  gap: .9rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: start;
}

.page-products .pr-tile {
  position: relative;
  padding: clamp(1rem, 3vw, 1.35rem);
  background: linear-gradient(160deg, var(--ink-panel), var(--ink-soft));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pr-cut)) 0, 100% var(--pr-cut), 100% 100%, var(--pr-cut) 100%, 0 calc(100% - var(--pr-cut)));
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .pr-tile:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-products .pr-tile:nth-child(3n) {
  min-height: 15rem;
}

.page-products .pr-tile:nth-child(2n) {
  min-height: 12rem;
}

.page-products .pr-tile__idx {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .pr-tile p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--pr-sub);
}

.page-products .pr-tile h3 {
  margin-bottom: .45rem;
}

.page-products .pr-search {
  margin-top: .3rem;
  padding: clamp(1rem, 3vw, 1.4rem) clamp(1rem, 3vw, 1.6rem);
  background: rgba(15, 123, 123, .16);
  border-left: 3px solid var(--teal-bright);
}

.page-products .pr-search__title {
  margin: 0 0 .35rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--teal-bright);
}

.page-products .pr-search__body {
  margin: 0;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--pr-sub);
}

/* ---------- 版本归档 ---------- */
.page-products .pr-section--archive {
  background: var(--ink-soft);
  border-block: 1px solid var(--line);
}

.page-products .pr-archive {
  display: grid;
  gap: clamp(1.6rem, 5vw, 3rem);
  grid-template-columns: 1fr;
}

.page-products .pr-archive__media {
  margin: 0;
}

.page-products .pr-check {
  list-style: none;
  margin: 1.2rem 0 1.7rem;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-products .pr-check li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--pr-sub);
  font-size: .98rem;
  line-height: 1.75;
}

.page-products .pr-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 企业定制 ---------- */
.page-products .pr-section--custom {
  background:
    radial-gradient(80% 70% at 100% 0%, rgba(22, 166, 166, .20), transparent 62%),
    var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.page-products .pr-custom__grid {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  display: grid;
  gap: var(--pr-gap);
  grid-template-columns: 1fr;
}

.page-products .pr-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pr-stat {
  background: var(--ink);
  padding: clamp(1rem, 3vw, 1.5rem);
}

.page-products .pr-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 6vw, 2.8rem);
  line-height: 1;
  color: var(--gold-bright);
}

.page-products .pr-stat__label {
  display: block;
  margin-top: .55rem;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--pr-sub);
}

.page-products .pr-custom__media {
  margin: 0;
}

.page-products .pr-custom__list {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pr-custom__item {
  background: var(--ink-soft);
  padding: clamp(1.1rem, 3vw, 1.6rem);
}

.page-products .pr-custom__item p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--pr-sub);
}

/* ---------- 平台功能 ---------- */
.page-products .pr-plat {
  display: grid;
  gap: clamp(1.6rem, 5vw, 3rem);
  grid-template-columns: 1fr;
}

.page-products .pr-plat__media {
  margin: 0;
}

.page-products .pr-plat__grid {
  margin-top: 1.5rem;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pr-plat__item {
  background: var(--ink-panel);
  padding: clamp(1.05rem, 3vw, 1.5rem);
}

.page-products .pr-plat__num {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--red-bright);
}

.page-products .pr-plat__item p:last-child {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--pr-sub);
}

/* ---------- 服务流程 ---------- */
.page-products .pr-section--service {
  border-bottom: 1px solid var(--line);
}

.page-products .pr-flow {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  display: grid;
  gap: .9rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.page-products .pr-step {
  padding: clamp(1.05rem, 3vw, 1.5rem);
  background: linear-gradient(150deg, var(--ink-panel), var(--ink));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pr-cut-sm)), calc(100% - var(--pr-cut-sm)) 100%, 0 100%);
}

.page-products .pr-step__num {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
}

.page-products .pr-step p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--pr-sub);
}

.page-products .pr-service__note {
  margin-top: 1.4rem;
  padding: clamp(1rem, 3vw, 1.4rem) clamp(1rem, 3vw, 1.6rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(200, 16, 46, .14);
  border-left: 3px solid var(--red-bright);
}

.page-products .pr-service__note p {
  margin: 0;
  flex: 1 1 20rem;
  font-size: .96rem;
  line-height: 1.75;
  color: var(--sand);
}

/* ---------- 适用场景 ---------- */
.page-products .pr-scenes {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  display: grid;
  gap: .9rem;
  grid-template-columns: 1fr;
}

.page-products .pr-scene {
  padding: clamp(1.1rem, 3vw, 1.5rem);
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--teal-bright);
}

.page-products .pr-scene__who {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--teal-bright);
}

.page-products .pr-scene p:last-child {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--pr-sub);
}

.page-products .pr-scenes__media {
  margin: clamp(1.4rem, 4vw, 2.2rem) 0 0;
}

/* ---------- 结尾行动区 ---------- */
.page-products .pr-cta {
  margin: clamp(1.5rem, 5vw, 2.5rem) 0 clamp(2.5rem, 7vw, 4rem);
  padding: clamp(1.8rem, 6vw, 3.4rem) 0;
  background: linear-gradient(128deg, var(--red-deep) 0%, var(--red) 44%, #A8161F 68%, var(--gold) 145%);
  border-block: 1px solid var(--line-strong);
}

.page-products .pr-cta__inner {
  display: grid;
  gap: clamp(1.2rem, 4vw, 2rem);
}

.page-products .pr-cta h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 5.5vw, 2.9rem);
  line-height: 1.16;
  color: var(--white);
  margin: .4rem 0 .8rem;
}

.page-products .pr-cta p {
  margin: 0;
  max-width: 46rem;
  color: rgba(255, 255, 255, .86);
  font-size: 1rem;
  line-height: 1.8;
}

.page-products .pr-cta .eyebrow {
  color: var(--gold-bright);
}

.page-products .pr-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-products .pr-cta__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem .9rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, .28);
}

.page-products .pr-cta__mail-label {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .74);
}

.page-products .pr-cta__mail-value {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--white);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pr-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, .82fr);
    align-items: end;
  }

  .page-products .pr-archive {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }

  .page-products .pr-custom__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-products .pr-plat {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-products .pr-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pr-cta__mail {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-tile,
  .page-products .pr-index a {
    transition: none;
  }

  .page-products .pr-tile:hover {
    transform: none;
  }
}