.page-products {
  --products-line: rgba(138, 155, 181, 0.13);
  --products-hard: 6px 6px 0 rgba(6, 13, 31, 0.55);
  background: var(--color-bg);
}

.page-products :focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ===== 首屏 HERO ===== */
.page-products-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-top) + var(--header-height) + 28px) 0 48px;
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 107, 0, 0.12), transparent 32%),
    radial-gradient(circle at 12% 72%, rgba(57, 255, 20, 0.07), transparent 26%),
    linear-gradient(var(--products-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--products-line) 1px, transparent 1px),
    var(--color-bg);
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

.page-products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-orange) 0 32%, var(--color-green) 32% 68%, var(--color-orange) 68% 100%);
  z-index: 2;
}

.page-products-hero::after {
  content: "KOK APPS";
  position: absolute;
  right: -32px;
  bottom: 20px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 7rem);
  color: transparent;
  -webkit-text-stroke: 1px rgba(138, 155, 181, 0.22);
  transform: rotate(-28deg);
  z-index: 0;
  pointer-events: none;
  white-space: nowrap;
}

.page-products-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products-hero-copy {
  min-width: 0;
}

.page-products-hero-copy .breadcrumbs {
  margin-bottom: 20px;
}

.page-products-hero-copy .breadcrumbs a {
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products-hero-copy .breadcrumbs a:hover {
  color: var(--color-orange);
  border-bottom-color: var(--color-orange);
}

.page-products-hero-copy .breadcrumbs-sep {
  margin: 0 6px;
  color: var(--color-muted);
}

.page-products-hero-copy .breadcrumbs-current {
  color: var(--color-text);
}

.page-products-hero-copy .page-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--color-green);
}

.page-products-hero-copy .page-title {
  margin: 12px 0 16px;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-products-hero-copy .page-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 34em;
  margin-bottom: 28px;
}

.page-products-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-products-stat {
  padding: 14px 18px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  box-shadow: var(--products-hard);
  min-width: 112px;
}

.page-products-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-orange);
  line-height: 1.2;
}

.page-products-stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 4px;
  letter-spacing: 0.08em;
}

.page-products-hero-cta {
  display: inline-block;
}

.page-products-hero-visual {
  position: relative;
  min-height: 430px;
}

.page-products-hero-coord {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(138, 155, 181, 0.55);
  letter-spacing: 0.12em;
  z-index: 2;
}

.page-products-hero-coord--tl {
  top: 0;
  left: 0;
}

.page-products-hero-coord--br {
  bottom: 10px;
  right: 4px;
}

.page-products-phone-frame {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-55%);
  width: 218px;
  z-index: 1;
}

.page-products-phone-frame svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(10px 10px 0 rgba(6, 13, 31, 0.55));
}

.page-products-hero-shot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 146px;
  height: auto;
  border: 2px solid var(--color-orange);
  box-shadow: var(--products-hard);
  transform: rotate(3deg);
  z-index: 2;
  background: var(--color-card);
}

/* ===== 通用小节 ===== */
.page-products .section {
  position: relative;
  padding: 56px 0;
}

.page-products .section-head {
  position: relative;
  padding-left: 18px;
  margin-bottom: 32px;
}

.page-products .section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-orange) 0%, var(--color-green) 100%);
}

.page-products .section-head .section-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--color-orange);
}

.page-products .section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin-top: 6px;
}

.page-products .section-desc {
  color: var(--color-muted);
  margin-top: 10px;
  max-width: 46em;
  line-height: 1.6;
}

/* ===== 核心功能 TABS ===== */
.page-products-features {
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(19, 41, 75, 0.45) 100%);
}

.page-products-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 20px;
}

.page-products-tabs .tab-btn {
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  padding: 12px 18px;
  background: var(--color-card);
  color: var(--color-muted);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-products-tabs .tab-btn:hover {
  color: var(--color-text);
  border-color: var(--color-muted);
}

.page-products-tabs .tab-btn[aria-selected="true"] {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-deep);
  box-shadow: 4px 4px 0 rgba(6, 13, 31, 0.55);
}

.page-products-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  padding: 8px 0 4px;
}

.page-products-feature-copy h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin: 10px 0 12px;
}

.page-products-feature-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-green);
  background: rgba(57, 255, 20, 0.1);
  padding: 4px 10px;
  border: 1px solid rgba(57, 255, 20, 0.3);
}

.page-products-feature-copy p {
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.page-products-feature-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-products-feature-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--color-text);
  line-height: 1.55;
}

.page-products-feature-list li::before {
  content: "▶";
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 0.7rem;
  color: var(--color-orange);
}

.page-products-feature-link {
  display: inline-block;
}

.page-products-feature-media {
  margin: 0;
}

.page-products-feature-media img {
  display: block;
}

.page-products-feature-media figcaption,
.page-products-scenario-media figcaption {
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

/* ===== 版本历史 ===== */
.page-products-versions {
  background: var(--color-deep);
}

.page-products-timeline {
  position: relative;
  padding-left: 26px;
}

.page-products-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
}

.page-products-version {
  position: relative;
  margin-bottom: 14px;
  background: rgba(19, 41, 75, 0.72);
  border: 2px solid var(--color-border);
  box-shadow: 4px 4px 0 rgba(6, 13, 31, 0.5);
  transition: border-color 0.25s var(--ease);
}

.page-products-version::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.18);
}

.page-products-version[open] {
  border-color: var(--color-orange);
}

.page-products-version summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products-version summary::-webkit-details-marker {
  display: none;
}

.page-products-version summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--color-orange);
}

.page-products-version[open] summary::after {
  content: "−";
}

.page-products-version-num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-orange);
}

.page-products-version-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  color: var(--color-green);
  border: 1px solid rgba(57, 255, 20, 0.4);
  background: rgba(57, 255, 20, 0.08);
}

.page-products-version-tag--current {
  color: var(--color-warn);
  border-color: rgba(255, 221, 0, 0.45);
  background: rgba(255, 221, 0, 0.08);
}

.page-products-version-tag--key {
  color: var(--color-orange);
  border-color: rgba(255, 107, 0, 0.45);
  background: rgba(255, 107, 0, 0.08);
}

.page-products-version-name {
  flex: 1 1 auto;
  color: var(--color-text);
  font-size: 0.95rem;
}

.page-products-version-body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--color-border);
}

.page-products-version-body ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products-version-body li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  color: var(--color-muted);
  line-height: 1.55;
  font-size: 0.9rem;
}

.page-products-version-body li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-green);
}

/* ===== 使用场景 ===== */
.page-products-scenarios {
  background:
    radial-gradient(circle at 14% 88%, rgba(57, 255, 20, 0.06), transparent 30%),
    var(--color-bg);
}

.page-products-scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

.page-products-scenario-step {
  position: relative;
  padding: 22px 18px 18px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  box-shadow: var(--products-hard);
  overflow: hidden;
}

.page-products-scenario-step::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  border-width: 0 0 34px 34px;
  border-style: solid;
  border-color: transparent transparent var(--color-green) transparent;
}

.page-products-step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--color-green);
}

.page-products-scenario-step h3 {
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 10px 0 10px;
}

.page-products-scenario-step p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

.page-products-scenario-media {
  margin: 0;
}

.page-products-scenario-media img {
  display: block;
  border: 2px solid var(--color-border);
  box-shadow: 8px 8px 0 rgba(6, 13, 31, 0.55);
}

/* ===== 下载与系统要求 ===== */
.page-products #page-products-download {
  scroll-margin-top: calc(var(--header-top) + var(--header-height) + 16px);
}

.page-products-download {
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(19, 41, 75, 0.4) 100%);
}

.page-products-download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products-download-card {
  position: relative;
  padding: 26px 20px 22px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  box-shadow: var(--products-hard);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-products-download-card:hover {
  border-color: var(--color-orange);
}

.page-products-download-card--android:hover {
  border-color: var(--color-green);
}

.page-products-download-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 86px;
  height: 86px;
  background: linear-gradient(135deg, transparent 48%, var(--color-orange) 50%, var(--color-orange) 100%);
  opacity: 0.18;
}

.page-products-download-card--android::before {
  background: linear-gradient(135deg, transparent 48%, var(--color-green) 50%, var(--color-green) 100%);
}

.page-products-download-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-deep);
  background: var(--color-orange);
  box-shadow: 4px 4px 0 rgba(6, 13, 31, 0.55);
  margin-bottom: 14px;
}

.page-products-download-card--android .page-products-download-icon {
  background: var(--color-green);
}

.page-products-download-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.page-products-download-card > p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 12px;
}

.page-products-download-card ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-products-download-card ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
  font-size: 0.9rem;
  line-height: 1.5;
}

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

.page-products-download-card--android ul li::before {
  color: var(--color-green);
}

.page-products-download-pop summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.page-products-download-pop summary::-webkit-details-marker {
  display: none;
}

.page-products-download-pop-body {
  margin-top: 12px;
  padding: 14px;
  border: 2px dashed var(--color-border);
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
  background: rgba(6, 13, 31, 0.5);
}

.page-products-download-pop-body a {
  color: var(--color-orange);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-products-sysnote {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 16px 18px;
  background: rgba(6, 13, 31, 0.55);
  border: 2px solid var(--color-border);
}

.page-products-sysnote p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1 1 240px;
}

/* ===== 服务架构 ===== */
.page-products-architecture {
  background: var(--color-deep);
}

.page-products-arch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.page-products-arch-card {
  position: relative;
  padding: 22px 20px;
  background: rgba(19, 41, 75, 0.7);
  border: 2px solid var(--color-border);
  box-shadow: 4px 4px 0 rgba(6, 13, 31, 0.5);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-products-arch-card:hover {
  border-color: var(--color-orange);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(6, 13, 31, 0.6);
}

.page-products-arch-num {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(138, 155, 181, 0.25);
}

.page-products-arch-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.page-products-arch-card p {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

.page-products-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border: 2px solid var(--color-border);
  background: rgba(6, 13, 31, 0.5);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-muted);
}

.page-products-flow-arrow {
  color: var(--color-orange);
}

.page-products-arch-links {
  margin-top: 22px;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.page-products-arch-links a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-orange);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-products-arch-links a:hover {
  color: var(--color-orange);
}

/* ===== 响应式增强 ===== */
@media (min-width: 560px) {
  .page-products-hero-visual {
    min-height: 460px;
  }

  .page-products-phone-frame {
    width: 250px;
  }

  .page-products-hero-shot {
    width: 180px;
  }
}

@media (min-width: 760px) {
  .page-products-scenario-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-products-download-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-products .section {
    padding: 72px 0;
  }

  .page-products-feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .page-products-feature-grid-reverse .page-products-feature-media {
    order: -1;
  }

  .page-products-arch-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-products-hero {
    padding-bottom: 64px;
  }

  .page-products-hero-inner {
    grid-template-columns: 5fr 4fr;
    gap: 48px;
    align-items: center;
  }

  .page-products-hero-visual {
    min-height: 520px;
  }

  .page-products-phone-frame {
    width: 260px;
  }

  .page-products-hero-shot {
    width: 200px;
  }
}