/* ==========================================================
   应用中心 页面专属样式
   作用域：.page-products
   ========================================================== */
.page-products {
  --products-hero-pad: clamp(2rem, 6vw, 4.5rem);
  --products-sec-pad: clamp(2.5rem, 6vw, 5rem);
  --products-card-gap: clamp(1rem, 2vw, 1.5rem);
}

.page-products .products-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin: 0 0 0.625rem;
}

.page-products .section-head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-products .section-head h2,
.page-products .products-overview h2 {
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  line-height: 1.2;
  color: var(--c-white);
  margin: 0;
}

.page-products .products-section-desc {
  margin: 0.75rem 0 0;
  color: var(--c-gray);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 46rem;
}

/* ============ 首屏 HERO ============ */
.page-products .products-hero {
  position: relative;
  padding: var(--products-hero-pad) 0;
  background:
    linear-gradient(135deg, rgba(255, 61, 0, 0.14), rgba(11, 11, 11, 0) 52%),
    var(--c-black);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 10%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--c-primary), transparent);
  opacity: 0.45;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: calc(10% + 14px);
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--c-orange), transparent);
  opacity: 0.22;
}

.page-products .products-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-products .products-hero-copy {
  position: relative;
  z-index: 1;
}

.page-products .products-hero-copy .breadcrumb {
  margin-bottom: 1rem;
}

.page-products .products-hero-copy h1 {
  font-family: var(--font-head);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}

.page-products .products-h1-main {
  display: inline-block;
  position: relative;
  color: var(--c-primary);
  font-size: clamp(1.75rem, 5vw, 3rem);
}

.page-products .products-h1-main::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-orange));
}

.page-products .products-h1-sep {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1;
  color: var(--c-line);
  letter-spacing: 0.5em;
  margin: 0.5rem 0;
  text-indent: 0.5em;
}

.page-products .products-h1-sub {
  display: block;
  font-size: clamp(1.125rem, 2.6vw, 1.625rem);
  color: var(--c-white);
  letter-spacing: 0.08em;
}

.page-products .products-hero-desc {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--c-gray);
  max-width: 38rem;
  margin: 1.25rem 0 1.75rem;
}

.page-products .products-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-products .products-hero-actions .btn {
  min-width: 10.5rem;
  justify-content: center;
}

.page-products .products-hero-stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
}

.page-products .products-hero-stats li {
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--c-orange);
  padding-left: 0.625rem;
}

.page-products .products-stat-num {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--c-amber);
}

.page-products .products-hero-stats .stat-label {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--c-gray);
  letter-spacing: 0.06em;
  margin-top: 0.125rem;
}

/* 手机模型 */
.page-products .products-hero-showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 0.5rem;
}

.page-products .products-phone {
  position: relative;
  z-index: 1;
  width: min(300px, 80vw);
  background: var(--c-card);
  border: 1px solid var(--c-line);
  box-shadow:
    18px 18px 0 rgba(255, 61, 0, 0.06),
    0 24px 48px rgba(0, 0, 0, 0.35);
}

.page-products .products-phone-bar {
  height: 22px;
  background: var(--c-nest);
  border-bottom: 1px solid var(--c-line);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 12px;
}

.page-products .products-phone-bar span {
  width: 6px;
  height: 6px;
  background: var(--c-gray);
}

.page-products .products-phone-bar span:first-child {
  background: var(--c-primary);
}

.page-products .products-phone-bar span:last-child {
  background: var(--c-amber);
}

.page-products .products-phone-screen {
  margin: 0;
  border-radius: 0;
  background: var(--c-nest);
}

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

/* 装饰几何 */
.page-products .products-orb {
  position: absolute;
  z-index: 0;
  width: 120px;
  height: 120px;
}

.page-products .products-orb-a {
  top: 6%;
  left: -24px;
  border: 1px solid var(--c-primary);
  transform: rotate(12deg);
}

.page-products .products-orb-b {
  bottom: 6%;
  right: -20px;
  border: 1px solid var(--c-orange);
  background: rgba(255, 61, 0, 0.08);
  transform: rotate(45deg);
}

/* ============ OVERVIEW / 产品概述 ============ */
.page-products .products-overview {
  padding: var(--products-sec-pad) 0;
  background: var(--c-black);
}

.page-products .products-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-products .products-overview h2 {
  margin-bottom: 1rem;
}

.page-products .products-overview-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-white);
  margin: 0 0 0.75rem;
}

.page-products .products-overview-copy p:not(.products-overview-lead) {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--c-gray);
  margin: 0 0 1rem;
}

.page-products .products-overview-points {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  border-top: 1px solid var(--c-line);
}

.page-products .products-overview-points li {
  position: relative;
  padding: 0.625rem 0 0.625rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-gray);
  border-bottom: 1px solid var(--c-line);
}

.page-products .products-overview-points li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--c-orange);
  font-family: var(--font-mono);
}

.page-products .products-inline-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--c-blue);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .products-inline-link:hover {
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.page-products .products-overview-visual .media-frame {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-nest);
}

.page-products .products-overview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.875rem;
}

/* ============ FEATURES / 核心功能列表 ============ */
.page-products .products-features {
  padding: var(--products-sec-pad) 0;
  background:
    linear-gradient(180deg, rgba(255, 61, 0, 0.04), rgba(11, 11, 11, 0) 240px),
    #0f0f0f;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-products .products-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--products-card-gap);
}

.page-products .products-feature-card {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--c-card);
  border: 1px solid var(--c-line);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
  overflow: hidden;
}

.page-products .products-feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--c-orange);
  border-right: 2px solid var(--c-orange);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-products .products-feature-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
  background: #202020;
}

.page-products .products-feature-card:hover::after {
  opacity: 1;
}

.page-products .products-feature-idx {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--c-primary);
  margin-bottom: 0.875rem;
}

.page-products .products-feature-card h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  line-height: 1.3;
  color: var(--c-white);
  margin: 0 0 0.625rem;
}

.page-products .products-feature-card p {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-gray);
  margin: 0 0 0.875rem;
}

.page-products .products-feature-hint {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--c-amber);
  border-left: 2px solid var(--c-orange);
  padding-left: 0.5rem;
}

.page-products .products-features-figure {
  margin: 2rem 0 0;
  border: 1px solid var(--c-line);
  background: var(--c-nest);
  max-width: 760px;
}

/* ============ DOWNLOADS / 客户端下载入口 ============ */
.page-products .products-downloads {
  padding: var(--products-sec-pad) 0;
  background: var(--c-black);
}

.page-products .products-download-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--products-card-gap);
}

.page-products .products-download-card {
  position: relative;
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .products-download-card:hover {
  border-color: var(--c-orange);
  transform: translateY(-2px);
}

.page-products .products-download-platform {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-primary), var(--c-orange));
  padding: 0.25rem 0.875rem;
  margin: 0 0 1rem;
}

.page-products .products-download-card h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  line-height: 1.3;
  color: var(--c-white);
  margin: 0 0 0.625rem;
}

.page-products .products-download-card p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-gray);
  margin: 0 0 0.75rem;
}

.page-products .products-download-ver {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-amber);
  margin-bottom: 1rem;
}

.page-products .products-download-btn {
  width: 100%;
  justify-content: center;
}

.page-products .products-download-tip {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--c-gray);
  margin: 0.625rem 0 0;
}

.page-products .products-download-foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 2.25rem;
  border-top: 1px solid var(--c-line);
  padding-top: 1.5rem;
}

.page-products .products-download-media {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-nest);
  max-width: 240px;
  width: 100%;
}

.page-products .products-download-note {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-gray);
  border-left: 2px solid var(--c-primary);
  padding-left: 1rem;
  margin: 0;
  max-width: 38rem;
}

/* ============ CHANGELOG / 版本更新日志 ============ */
.page-products .products-changelog {
  padding: var(--products-sec-pad) 0;
  background:
    linear-gradient(135deg, rgba(255, 109, 0, 0.06), rgba(11, 11, 11, 0) 56%),
    var(--c-black);
}

.page-products .products-changelog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-products .products-version-card {
  position: relative;
  padding: 1.5rem;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-primary);
  margin-bottom: 1rem;
}

.page-products .products-ver-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-primary);
  border: 1px solid var(--c-primary);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.75rem;
}

.page-products .products-ver-tag-muted {
  color: var(--c-amber);
  border-color: var(--c-amber);
}

.page-products .products-version-card h3 {
  font-family: var(--font-head);
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--c-white);
  margin: 0 0 0.75rem;
}

.page-products .products-version-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .products-version-card li {
  position: relative;
  padding: 0.25rem 0 0.25rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--c-gray);
}

.page-products .products-version-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--c-orange);
  font-family: var(--font-mono);
}

.page-products .products-changelog-side .media-frame {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-nest);
}

.page-products .products-rel-card {
  margin-top: 1rem;
  padding: 1.25rem;
  background: var(--c-card);
  border: 1px solid var(--c-line);
}

.page-products .products-rel-card .products-kicker {
  margin-bottom: 0.875rem;
  font-size: 0.75rem;
}

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

.page-products .products-rel-list li {
  border-bottom: 1px solid var(--c-line);
}

.page-products .products-rel-list li:last-child {
  border-bottom: 0;
}

.page-products .products-rel-list a {
  display: block;
  padding: 0.625rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--c-white);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-products .products-rel-list a:hover {
  color: var(--c-primary);
  padding-left: 0.375rem;
}

/* ============ 图片与响应式基础 ============ */
.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============ 响应式增强 ============ */
@media (min-width: 640px) {
  .page-products .products-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .products-download-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .products-download-foot {
    flex-direction: row;
    align-items: center;
  }

  .page-products .products-download-media {
    flex: 0 0 240px;
  }
}

@media (min-width: 860px) {
  .page-products .products-overview-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-products .products-changelog-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2rem;
  }
}

@media (min-width: 980px) {
  .page-products .products-hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-products .products-hero-showcase {
    padding: 3rem 1rem;
  }
}

@media (min-width: 1120px) {
  .page-products .products-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}