/* ============================================================
   产品宣传站 platform-hub — 独立视觉（纸面编辑风）
   不依赖 enterprise-studio 的装饰与组件
   ============================================================ */

:root {
  --color-bg: #f4f2ec;
  --color-surface: #fffcf7;
  --color-surface-muted: #ebe8e1;
  --color-text: #1f1d1a;
  --color-muted: #5f5a52;
  --color-primary: #1a4fd6;
  --ph-accent: #9a4b2f;
  --color-border: #ddd8ce;
  --color-border-strong: #c9c2b5;
  --font-sans: "DM Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Source Serif 4", "Noto Serif SC", "Songti SC", Georgia, serif;
  --page-max-width: 1080px;
  --page-max-width-xl: 1160px;
  --sidebar-width: 16rem;
  --layout-gap: 2rem;
  --article-readable-width: 44rem;
  --content-width: var(--article-readable-width);
  --radius: 4px;
  --radius-lg: 8px;
  --header-height: 3.75rem;
  --section-gap: 4.5rem;
  --shadow-card: 0 1px 0 rgba(31, 29, 26, 0.04), 0 8px 24px rgba(31, 29, 26, 0.05);
}

[data-theme="dark"] {
  --color-bg: #141312;
  --color-surface: #1c1a18;
  --color-surface-muted: #252220;
  --color-text: #ece9e3;
  --color-muted: #a39e94;
  --color-border: #3a3630;
  --color-border-strong: #4d4840;
  --shadow-card: 0 1px 0 rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #141312;
    --color-surface: #1c1a18;
    --color-surface-muted: #252220;
    --color-text: #ece9e3;
    --color-muted: #a39e94;
    --color-border: #3a3630;
    --color-border-strong: #4d4840;
    --shadow-card: 0 1px 0 rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

[data-theme="light"] {
  --color-bg: #f4f2ec;
  --color-surface: #fffcf7;
  --color-surface-muted: #ebe8e1;
  --color-text: #1f1d1a;
  --color-muted: #5f5a52;
  --color-border: #ddd8ce;
  --color-border-strong: #c9c2b5;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.theme-platform-hub {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: clamp(0.9375rem, 1.8vw, 1rem);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

.container { max-width: var(--page-max-width); margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 1280px) { .container { max-width: var(--page-max-width-xl); } }

/* —— 顶栏 —— */
.ph-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.ph-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 1rem;
}

.ph-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text);
  text-decoration: none;
  min-width: 0;
}

.ph-logo:hover { text-decoration: none; }

.ph-logo .site-logo { border-radius: var(--radius); flex-shrink: 0; }

.ph-logo-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.ph-logo-text strong { font-size: 1.05rem; font-weight: 650; letter-spacing: -0.01em; }
.ph-logo-text small { font-size: 0.75rem; color: var(--color-muted); font-weight: 400; }

.ph-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 1.125rem;
}

.ph-nav a:not(.ph-btn) {
  color: var(--color-muted);
  font-size: 0.9375rem;
  text-decoration: none;
  white-space: nowrap;
}

.ph-nav a:not(.ph-btn):hover { color: var(--color-text); text-decoration: none; }

.ph-nav a.ph-btn {
  text-decoration: none;
  white-space: nowrap;
}

.ph-nav a.ph-btn-primary {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.ph-nav a.ph-btn-primary:hover {
  color: #fff;
  background: color-mix(in srgb, var(--color-primary) 88%, #000);
  border-color: color-mix(in srgb, var(--color-primary) 88%, #000);
  text-decoration: none;
}

.ph-nav-cta { margin-left: 0.25rem; }

.ph-nav-toggle,
.ph-theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  cursor: pointer;
  padding: 0.35rem 0.55rem;
  font-size: 1.1rem;
  line-height: 1;
}

.theme-icon-light { display: none; }
[data-theme="dark"] .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-icon-light { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-dark { display: none; }
  :root:not([data-theme="light"]) .theme-icon-light { display: inline; }
}

/* —— 按钮 —— */
.ph-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 550;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ph-btn:hover { text-decoration: none; }

.ph-btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

a.ph-btn-primary,
button.ph-btn-primary {
  color: #fff;
}

.ph-btn-primary:hover {
  background: color-mix(in srgb, var(--color-primary) 88%, #000);
  border-color: color-mix(in srgb, var(--color-primary) 88%, #000);
  color: #fff;
}

.ph-btn-outline {
  background: color-mix(in srgb, var(--color-text) 4%, var(--color-surface));
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.ph-btn-outline:hover {
  background: color-mix(in srgb, var(--color-text) 8%, var(--color-surface));
  border-color: var(--color-text);
  color: var(--color-text);
}

.ph-btn-sm { padding: 0.4rem 0.85rem; font-size: 0.8125rem; }
.ph-btn-lg { padding: 0.7rem 1.35rem; font-size: 1rem; }
.ph-btn-block { width: 100%; }

.ph-link {
  font-size: 0.875rem;
  font-weight: 550;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.ph-link:hover { text-decoration: underline; }

/* —— 主布局 —— */
.ph-main { width: 100%; }
.ph-main-inner { padding-block: 0; }
.ph-main-inner .ph-content { width: 100%; max-width: none; }

.ph-main:not(.ph-main-home):not(.ph-main-page) {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--layout-gap);
  padding-block: 2rem 3rem;
}

@media (min-width: 992px) {
  .ph-main:not(.ph-main-home):not(.ph-main-page):has(.ph-sidebar) {
    grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
    max-width: var(--page-max-width-xl);
    margin-inline: auto;
    padding-inline: 1.25rem;
  }
}

.ph-content { min-width: 0; }

/* —— Hero —— */
.ph-hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 5%, var(--color-surface)) 0%, var(--color-surface) 45%, var(--color-bg) 100%);
}

.ph-hero-inner {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.ph-hero-inner--solo {
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .ph-hero-inner:not(.ph-hero-inner--solo) {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.ph-hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ph-accent);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.ph-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.ph-hero-sub {
  font-size: 1.125rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.ph-hero-lead {
  font-size: 1.0625rem;
  color: var(--color-muted);
  max-width: 36rem;
  margin-bottom: 1.5rem;
}

.ph-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.ph-hero-notes {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.ph-hero-notes li::before {
  content: "— ";
  color: var(--color-border-strong);
}

.ph-hero-visual {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-muted);
}

.ph-hero-visual img { width: 100%; height: auto; display: block; }

/* —— 数据条 —— */
.ph-stats {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.ph-stats-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .ph-stats-inner { grid-template-columns: repeat(4, 1fr); }
}

.ph-stat {
  padding: 1.25rem 1rem;
  text-align: center;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .ph-stat { border-bottom: none; }
  .ph-stat:last-child { border-right: none; }
}

.ph-stat strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.2rem;
  color: var(--color-primary);
}

.ph-stat span { font-size: 0.8125rem; color: var(--color-muted); }

/* —— 区块 —— */
.ph-section { padding: var(--section-gap) 0; }
.ph-section--muted {
  background:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--color-border) 55%, transparent) 1px, transparent 0) 0 0 / 18px 18px,
    var(--color-surface-muted);
  border-block: 1px solid var(--color-border);
}

.ph-section-head {
  margin-bottom: 2rem;
  max-width: 38rem;
}

.ph-section-head--row {
  max-width: none;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.ph-section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
}

.ph-section-head p { color: var(--color-muted); font-size: 0.9875rem; }

.ph-more {
  font-size: 0.875rem;
  font-weight: 550;
  color: var(--color-primary);
  white-space: nowrap;
}

/* —— 应用场景 —— */
.ph-scenes {
  display: grid;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

@media (min-width: 768px) {
  .ph-scenes { grid-template-columns: repeat(3, 1fr); }
}

.ph-scene {
  display: block;
  padding: 1.35rem 1.25rem;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  transition: background 0.15s ease;
}

@media (min-width: 768px) {
  .ph-scene { border-bottom: none; border-right: 1px solid var(--color-border); }
  .ph-scene:last-child { border-right: none; }
}

.ph-scene:hover { background: color-mix(in srgb, var(--color-primary) 4%, var(--color-surface)); text-decoration: none; }

.ph-scene-index {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ph-accent);
  margin-bottom: 0.5rem;
  display: block;
}

.ph-scene h3 { font-size: 1.0625rem; font-weight: 650; margin-bottom: 0.4rem; }
.ph-scene p { font-size: 0.875rem; color: var(--color-muted); line-height: 1.55; }

.ph-badge {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  font-size: 0.6875rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--ph-accent) 12%, var(--color-surface));
  color: var(--ph-accent);
  border: 1px solid color-mix(in srgb, var(--ph-accent) 25%, transparent);
}

/* —— 产品卡片网格（首页 / 目录页） —— */
.ph-card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .ph-card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .ph-card-grid { grid-template-columns: repeat(3, 1fr); }
}

.ph-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.2rem 1.2rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  min-height: 100%;
}

.ph-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
  box-shadow: 0 2px 0 rgba(31, 29, 26, 0.04), 0 12px 32px rgba(31, 29, 26, 0.08);
}

.ph-card.is-hidden { display: none; }

.ph-card-head {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.ph-card-mark {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface));
}

.ph-card-mark img { width: 100%; height: 100%; object-fit: cover; }
.ph-card-icon { font-size: 1.4rem; color: var(--color-primary); }

.ph-card-mark--saas { background: color-mix(in srgb, #1a4fd6 10%, var(--color-surface)); }
.ph-card-mark--desktop { background: color-mix(in srgb, #5b4bcc 10%, var(--color-surface)); }
.ph-card-mark--mobile { background: color-mix(in srgb, #0d9488 10%, var(--color-surface)); }
.ph-card-mark--plugin { background: color-mix(in srgb, #c2410c 10%, var(--color-surface)); }
.ph-card-mark--suite { background: color-mix(in srgb, #9a4b2f 12%, var(--color-surface)); }
.ph-card-mark--toolkit { background: color-mix(in srgb, #475569 10%, var(--color-surface)); }

.ph-card-titles { min-width: 0; flex: 1; }

.ph-card-cat {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ph-accent);
  margin-bottom: 0.2rem;
}

.ph-card-name {
  font-size: 1.0625rem;
  font-weight: 650;
  line-height: 1.3;
  margin-bottom: 0.2rem;
}

.ph-card-name a {
  color: inherit;
  text-decoration: none;
}

.ph-card-name a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.ph-product-name a {
  color: inherit;
  text-decoration: none;
}

.ph-product-name a:hover {
  color: var(--color-primary);
}

/* —— 产品动态列表页 —— */
.ph-news-page { max-width: var(--page-max-width-xl); }

.ph-news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.ph-news-filter {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 550;
  color: var(--color-muted);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.ph-news-filter:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
  text-decoration: none;
}

.ph-news-filter.is-active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.ph-news-grid--page {
  margin-top: 0;
}

.ph-page-head--compact {
  padding-bottom: 1.25rem;
}

.ph-page-head--compact .breadcrumb {
  margin-bottom: 0.85rem;
}

.ph-post-pin {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.ph-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-top: 0.65rem;
}

.ph-post-meta a {
  color: var(--color-muted);
  text-decoration: none;
}

.ph-post-meta a:hover {
  color: var(--color-primary);
}

.ph-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.ph-article {
  max-width: var(--article-readable-width);
}

.ph-article-cover {
  margin: 0 0 1.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-muted);
}

.ph-article-cover img {
  width: 100%;
  height: auto;
  display: block;
}

.ph-article .post-content {
  max-width: none;
}

.ph-article .comments {
  max-width: none;
  margin-top: 2.5rem;
}

.pagination {
  justify-content: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.pagination a {
  color: var(--color-primary);
  font-weight: 550;
  text-decoration: none;
}

.pagination a:hover {
  text-decoration: underline;
}

.pagination .page-info {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.ph-card-tagline {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.45;
}

.ph-card-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ph-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  margin-top: auto;
}

.ph-card-tags span {
  font-size: 0.6875rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

.ph-card-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px solid var(--color-border);
}

/* —— 产品列表（方案页等） —— */
.ph-products { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface); }

.ph-product {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 1rem;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.ph-product:last-child { border-bottom: none; }

@media (min-width: 768px) {
  .ph-product { grid-template-columns: 4.5rem 1fr auto; align-items: center; gap: 0 1.25rem; }
}

.ph-product.is-hidden { display: none; }

.ph-product-mark {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ph-product-mark--saas { background: color-mix(in srgb, #1a4fd6 10%, var(--color-surface)); }
.ph-product-mark--suite { background: color-mix(in srgb, #9a4b2f 12%, var(--color-surface)); }
.ph-product-mark--toolkit { background: color-mix(in srgb, #475569 10%, var(--color-surface)); }

.ph-product-mark img { width: 100%; height: 100%; object-fit: cover; }

.ph-product-icon { font-size: 1.35rem; color: var(--color-primary); }

.ph-product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.ph-product-cat {
  font-weight: 600;
  color: var(--ph-accent);
}

.ph-product-name { font-size: 1.0625rem; font-weight: 650; margin-bottom: 0.15rem; }
.ph-product-tagline { font-size: 0.9375rem; font-weight: 550; margin-bottom: 0.25rem; }
.ph-product-desc,
.ph-product-scenes,
.ph-product-tags { font-size: 0.8125rem; color: var(--color-muted); line-height: 1.55; }

.ph-product-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--color-border);
}

@media (min-width: 768px) {
  .ph-product-actions {
    grid-column: auto;
    grid-row: 1;
    flex-direction: column;
    align-items: stretch;
    min-width: 5.5rem;
    margin: 0;
    padding: 0;
    border: none;
  }
}

.ph-product--compact .ph-product-desc { display: none; }

/* —— 亮点 —— */
.ph-features {
  display: grid;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (min-width: 768px) {
  .ph-features { grid-template-columns: repeat(2, 1fr); }
}

.ph-feature {
  padding: 1.25rem 1.25rem 1.25rem 1.1rem;
  border-bottom: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  background: var(--color-surface);
}

@media (min-width: 768px) {
  .ph-feature:nth-child(odd) { border-right: 1px solid var(--color-border); }
}

.ph-feature h3 { font-size: 0.9875rem; font-weight: 650; margin-bottom: 0.35rem; }
.ph-feature p { font-size: 0.875rem; color: var(--color-muted); line-height: 1.55; }

/* —— 定价 —— */
.ph-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.ph-plan {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-card);
}

.ph-plan--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.ph-plan-flag {
  position: absolute;
  top: 0;
  left: 1.25rem;
  transform: translateY(-50%);
  font-size: 0.6875rem;
  font-weight: 650;
  padding: 0.2rem 0.5rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
}

.ph-plan-head h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }

.ph-plan-price strong {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 600;
}

.ph-plan-price span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: 0.15rem;
}

.ph-plan-desc { font-size: 0.875rem; color: var(--color-muted); margin-top: 0.5rem; }

.ph-plan-list {
  list-style: none;
  margin: 1rem 0;
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.ph-plan-list li {
  padding: 0.3rem 0;
  padding-left: 1rem;
  position: relative;
}

.ph-plan-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.ph-plan-foot { margin-top: auto; }

/* —— 演示 —— */
.ph-demos {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ph-demos { grid-template-columns: repeat(2, 1fr); }
}

.ph-demo-item {
  padding: 1.15rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.ph-demo-item--link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.ph-demo-item--link:hover {
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
  box-shadow: var(--shadow-card);
  transform: translateY(-1px);
  text-decoration: none;
}

.ph-demo-item h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.ph-demo-item p { font-size: 0.875rem; color: var(--color-muted); margin-bottom: 0.75rem; }

.ph-demo-go {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* —— 快速入口（演示页） —— */
.ph-quick-links {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 768px) {
  .ph-quick-links { grid-template-columns: repeat(2, 1fr); }
}

.ph-quick-link {
  display: block;
  padding: 1.25rem 1.3rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.ph-quick-link:hover {
  border-color: color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
  transform: translateY(-2px);
  text-decoration: none;
}

.ph-quick-link h2 {
  font-size: 1.0625rem;
  font-weight: 650;
  margin-bottom: 0.35rem;
}

.ph-quick-link p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 0.75rem;
}

.ph-quick-link-go {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* —— 动态 / 文章卡片 —— */
.ph-news-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ph-news-grid { grid-template-columns: repeat(3, 1fr); }
}

.ph-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--color-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.post-card-cover { display: block; background: var(--color-surface-muted); }
.post-card-cover img { width: 100%; height: 11rem; object-fit: cover; display: block; }

.post-card-cover--placeholder {
  height: 11rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 18%, var(--color-surface-muted)), var(--color-surface));
  text-decoration: none;
}

.post-card-cover-letter {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--color-primary) 70%, var(--color-text));
  line-height: 1;
}

.post-card .pin-badge {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  z-index: 1;
  font-size: 0.6875rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
}

.post-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.post-card:hover { transform: translateY(-2px); box-shadow: 0 2px 0 rgba(31, 29, 26, 0.04), 0 12px 28px rgba(31, 29, 26, 0.07); }
.post-card-body { padding: 1rem 1.1rem 1.15rem; flex: 1; display: flex; flex-direction: column; }
.post-card h2 { font-size: 1.0625rem; line-height: 1.35; margin-bottom: 0.45rem; font-weight: 650; }
.post-card h2 a { color: var(--color-text); text-decoration: none; }
.post-card h2 a:hover { color: var(--color-primary); }
.post-card .excerpt { font-size: 0.875rem; color: var(--color-muted); margin-bottom: 0.65rem; flex: 1; }
.post-card .meta { font-size: 0.75rem; color: var(--color-muted); margin-top: auto; }
.post-card .card-tags { margin-top: 0.55rem; }
.tag-pill {
  display: inline-block;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-decoration: none;
}
.tag-pill:hover { color: var(--color-primary); border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border)); text-decoration: none; }

/* —— CTA —— */
.ph-cta {
  padding: 3rem 0;
  background: var(--color-text);
  color: #f5f2eb;
}

.ph-cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.ph-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.ph-cta p { color: rgba(245, 242, 235, 0.82); font-size: 0.9375rem; max-width: 32rem; }

.ph-cta-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.ph-cta .ph-btn-primary {
  background: #f5f2eb;
  color: var(--color-text);
  border-color: #f5f2eb;
}

.ph-cta .ph-btn-outline {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
}

.ph-cta .ph-btn-outline:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

/* —— 内页头 —— */
.ph-page-head {
  padding: 2.5rem 0 1.75rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.ph-page-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.ph-page-head .ph-lead { color: var(--color-muted); max-width: 40rem; font-size: 1rem; }

.ph-page-body { padding: 2rem 0 3rem; }

/* —— 筛选 —— */
.ph-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.75rem 0 1.25rem;
}

.ph-filter-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  cursor: pointer;
}

.ph-filter-btn:hover,
.ph-filter-btn.is-active {
  color: var(--color-text);
  border-color: var(--color-text);
  background: var(--color-surface);
}

/* —— 应用场景页 —— */
.ph-solutions-page { padding-bottom: 3rem; }

.ph-solutions-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.ph-solutions-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 550;
  color: var(--color-muted);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.ph-solutions-nav-link:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
  text-decoration: none;
}

.ph-solutions-nav-link.is-active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.ph-solutions-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ph-scene-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.ph-scene-block-inner {
  display: grid;
  gap: 0;
}

@media (min-width: 900px) {
  .ph-scene-block-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: stretch;
  }
}

.ph-scene-block-head {
  padding: 1.35rem 1.4rem 1.4rem;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 900px) {
  .ph-scene-block-head {
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    padding: 1.5rem 1.5rem 1.5rem 1.4rem;
  }
}

.ph-scene-block-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.65rem;
}

.ph-scene-block-index {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ph-accent);
}

.ph-scene-block-head h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
}

.ph-scene-block-badge {
  font-size: 0.6875rem;
  font-weight: 650;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--ph-accent) 12%, var(--color-surface));
  color: var(--ph-accent);
  border: 1px solid color-mix(in srgb, var(--ph-accent) 25%, transparent);
}

.ph-scene-block-desc {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0.85rem;
  max-width: 36rem;
}

.ph-scene-highlights {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.ph-scene-highlights li {
  font-size: 0.75rem;
  font-weight: 550;
  color: var(--color-text);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
}

.ph-scene-block-items {
  padding: 1.25rem 1.4rem 1.35rem;
  background: color-mix(in srgb, var(--color-bg) 40%, var(--color-surface));
}

.ph-scene-block-items-label {
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.ph-scene-chip-grid {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: 1fr;
}

@media (min-width: 520px) {
  .ph-scene-chip-grid { grid-template-columns: repeat(2, 1fr); }
}

.ph-scene-chip {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.65rem 0.7rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.ph-scene-chip-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-muted);
}

.ph-scene-chip-mark img { width: 100%; height: 100%; object-fit: cover; }
.ph-scene-chip-icon { font-size: 1.05rem; color: var(--color-primary); }
.ph-scene-chip-mark--plugin { background: color-mix(in srgb, #c2410c 10%, var(--color-surface)); }
.ph-scene-chip-mark--suite { background: color-mix(in srgb, #9a4b2f 12%, var(--color-surface)); }
.ph-scene-chip-mark--saas { background: color-mix(in srgb, #1a4fd6 10%, var(--color-surface)); }
.ph-scene-chip-mark--toolkit { background: color-mix(in srgb, #475569 10%, var(--color-surface)); }

.ph-scene-chip-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.ph-scene-chip-cat {
  font-size: 0.625rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ph-accent);
}

.ph-scene-chip-name {
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.3;
  color: var(--color-text);
}

.ph-scene-chip-tagline {
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ph-solutions-intro {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

/* —— 方案块 / 演示行（内页复用） —— */

.ph-demo-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  margin-bottom: 0.75rem;
}

.ph-inline-cta {
  margin-top: 2.5rem;
  padding: 1.75rem;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.ph-inline-cta h2 { font-size: 1.125rem; margin-bottom: 0.35rem; }
.ph-inline-cta p { color: var(--color-muted); margin-bottom: 1rem; font-size: 0.9375rem; }
.ph-inline-cta-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; justify-content: center; }
.ph-inline-cta .ph-btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-surface));
}

/* —— 联系页 —— */
.ph-contact-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ph-contact-grid { grid-template-columns: minmax(240px, 300px) 1fr; align-items: start; }
  .ph-contact-form-panel { min-width: 0; }
}

.ph-panel {
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.ph-panel h2 { font-size: 1.0625rem; margin-bottom: 0.75rem; }
.ph-panel ul { list-style: none; font-size: 0.9375rem; color: var(--color-muted); }
.ph-panel li + li { margin-top: 0.4rem; }

.ph-panel .post-content {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.ph-panel .post-content:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* yh-contact-form 插件 */
body.theme-platform-hub .contact-form-plugin {
  margin: 0;
}

body.theme-platform-hub .contact-form-plugin > h2 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

body.theme-platform-hub .contact-form-desc {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin-bottom: 1.15rem;
  line-height: 1.55;
}

body.theme-platform-hub .contact-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
  margin-bottom: 1.15rem;
}

body.theme-platform-hub .contact-form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 550;
  color: var(--color-text);
}

body.theme-platform-hub .contact-form-grid label span {
  color: var(--color-muted);
  font-weight: 550;
}

body.theme-platform-hub .contact-form-grid label.full {
  grid-column: 1 / -1;
}

body.theme-platform-hub .contact-form-grid label.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

body.theme-platform-hub .contact-form-grid input,
body.theme-platform-hub .contact-form-grid textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.6rem 0.75rem;
  font: inherit;
  font-size: 0.9375rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

body.theme-platform-hub .contact-form-grid input::placeholder,
body.theme-platform-hub .contact-form-grid textarea::placeholder {
  color: color-mix(in srgb, var(--color-muted) 70%, transparent);
}

body.theme-platform-hub .contact-form-grid input:focus,
body.theme-platform-hub .contact-form-grid textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
  background: var(--color-surface);
}

body.theme-platform-hub .contact-form-grid textarea {
  resize: vertical;
  min-height: 7.5rem;
  line-height: 1.55;
}

body.theme-platform-hub .contact-form-plugin .btn,
body.theme-platform-hub .contact-form-plugin button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 550;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

body.theme-platform-hub .contact-form-plugin .btn:hover,
body.theme-platform-hub .contact-form-plugin button[type="submit"]:hover {
  background: color-mix(in srgb, var(--color-primary) 88%, #000);
  border-color: color-mix(in srgb, var(--color-primary) 88%, #000);
}

body.theme-platform-hub .contact-form-status {
  margin-top: 0.85rem;
  font-size: 0.875rem;
  line-height: 1.5;
}

body.theme-platform-hub .contact-form-status.ok {
  color: #15803d;
}

body.theme-platform-hub .contact-form-status.err {
  color: #b91c1c;
}

@media (max-width: 640px) {
  body.theme-platform-hub .contact-form-grid {
    grid-template-columns: 1fr;
  }

  body.theme-platform-hub .contact-form-grid label.full {
    grid-column: auto;
  }
}

/* —— 页脚 —— */
.ph-footer {
  margin-top: 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-top: 2.5rem;
}

.ph-footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2rem;
}

@media (min-width: 768px) {
  .ph-footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

.ph-footer-logo {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.ph-footer-brand p { margin-top: 0.65rem; font-size: 0.875rem; color: var(--color-muted); max-width: 24rem; }

.ph-footer-contact {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ph-footer-col h3 { font-size: 0.8125rem; font-weight: 650; text-transform: none; margin-bottom: 0.65rem; }

.ph-footer-nav { display: flex; flex-direction: column; gap: 0.35rem; }
.ph-footer-nav a { color: var(--color-muted); font-size: 0.875rem; text-decoration: none; }
.ph-footer-nav a:hover { color: var(--color-text); }

.ph-footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1rem 0 1.5rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* —— 内页文章（继承 elegant 结构） —— */
.post-single header { margin-bottom: 1.5rem; }
.post-single h1 { font-family: var(--font-serif); font-size: clamp(1.5rem, 4vw, 2rem); line-height: 1.3; margin-bottom: 0.75rem; }
.post-single .meta { color: var(--color-muted); font-size: 0.875rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.post-content { font-size: 1.03125rem; line-height: 1.75; max-width: 75ch; overflow-wrap: break-word; }
.post-content img { max-width: 100%; height: auto; border-radius: var(--radius); }
.post-content pre { background: #1e293b; color: #e2e8f0; padding: 1rem; border-radius: var(--radius); overflow-x: auto; }
.post-content h2, .post-content h3 { font-family: var(--font-serif); margin: 1.5rem 0 0.65rem; }

.breadcrumb { font-size: 0.8125rem; color: var(--color-muted); margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb .sep { margin: 0 0.35rem; }

.pagination { display: flex; gap: 1rem; margin-top: 2rem; font-size: 0.875rem; }

.sidebar .widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 1rem;
}

.comments { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.comment-form input, .comment-form textarea {
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
}

/* —— 移动端导航 —— */
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .ph-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 1.25rem 1rem;
    box-shadow: var(--shadow-card);
  }
  .ph-nav.open { display: flex; }
  .ph-header-inner { position: relative; flex-wrap: wrap; }
  .ph-nav-cta { margin-left: 0; }
}

@media (max-width: 767px) {
  .ph-stats-inner { grid-template-columns: 1fr 1fr; }
  .ph-stat:nth-child(2n) { border-right: none; }
  .ph-stat:nth-last-child(-n+2) { border-bottom: none; }
}

@media (prefers-reduced-motion: reduce) {
  .ph-btn, .ph-scene { transition: none; }
}