/* ============ 基础重置与变量 ============ */
:root {
  --ink-900: #111111;
  --ink-800: #1F1F1F;
  --ink-700: #333333;
  --ink-600: #4A4A4A;
  --ink-500: #6B6B6B;
  --ink-400: #8E8E8E;
  --ink-300: #B5B5B5;
  --ink-200: #DCDCDC;
  --ink-100: #EDEDED;
  --ink-50:  #F5F5F5;
  --bg: #FFFFFF;
  --bg-soft: #FAFAFA;
  --bg-tint: #F5F5F5;
  --surface: #FFFFFF;
  --border: #ECECEC;
  --border-strong: #D6D6D6;
  --brand: #111111;
  --brand-deep: #000000;
  --accent: #555555;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.10);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --container: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color .2s; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
ul { list-style: none; }
input { font-family: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ============ 通用组件 ============ */
.section-head { text-align: center; margin-bottom: 56px; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 16px;
}
.eyebrow-en {
  display: block;
  font-size: 13px;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--ink-400);
  margin-bottom: 12px;
}
.eyebrow-auto {
  display: inline-block;
  padding: 4px 12px;
  background: var(--ink-900);
  color: #fff;
  border-radius: 999px;
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.dl-category {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--container);
  margin: 56px auto 0;
  padding: 18px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink-900);
  border-radius: var(--radius-md);
}
.dl-category-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: 0.01em;
}
.dl-category-hint {
  font-size: 13px;
  color: var(--ink-500);
}
.auto-install {
  background: linear-gradient(180deg, var(--bg) 0%, transparent 100%);
  border-radius: 24px;
  margin: 0 12px;
}
.auto-prompt {
  font-style: italic;
  color: var(--ink-700);
}
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section-subtitle {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-500);
  max-width: 720px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all .2s;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-primary {
  background: var(--ink-900);
  color: #fff;
}
.btn-primary:hover { background: var(--ink-700); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink-800);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--ink-700); color: var(--ink-900); }
.btn-light {
  background: var(--bg);
  color: var(--ink-900);
  border-color: var(--border);
}
.btn-light:hover { border-color: var(--ink-700); }
.btn-block { width: 100%; }
.link-muted { color: var(--ink-500); font-size: 14px; transition: color .2s; }
.link-muted:hover { color: var(--ink-900); }
.header-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-500);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s;
}
.header-github:hover { color: var(--ink-900); }
.header-github svg { flex-shrink: 0; }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(255, 255, 255, 0.95);
}
.header-inner {
  display: flex;
  align-items: center;
  height: 64px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  gap: 32px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--ink-900);
}
.brand-mark {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-name { font-size: 16px; letter-spacing: -0.01em; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 16px;
  flex: 1;
}
.primary-nav a {
  font-size: 14px;
  color: var(--ink-700);
  transition: color .2s;
}
.primary-nav a:hover { color: var(--ink-900); }

/* Nav dropdown (合作) */
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown-toggle { display: inline-flex; align-items: center; gap: 4px; }
.nav-dropdown-caret { transition: transform .2s; }
.nav-dropdown.is-open .nav-dropdown-caret { transform: rotate(180deg); }
.nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 14px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: all .2s;
  z-index: 60;
}
.nav-dropdown.is-open .nav-dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
/* 解决方案下拉菜单 */
.nav-dropdown-panel--menu { min-width: 272px; padding: 10px; }
.nav-dropdown-toggle.is-active { color: var(--ink-900); }
.ndp-list .ndp-item { display: flex; }
.ndp-list .ndp-item + .ndp-item { margin-top: 2px; }
.ndp-list { display: flex; flex-direction: column; gap: 4px; }
.ndp-list a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.ndp-list a:hover { background: var(--bg-tint); }

/* 解决方案 双栏下拉 */
.nav-dropdown-panel--wide {
  min-width: 560px;
  padding: 16px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
}
.ndp-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-right: 1px solid var(--border);
  padding-right: 16px;
}
.ndp-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  transition: background .15s;
}
.ndp-item:hover,
.ndp-item.is-active {
  background: var(--bg-tint);
}
.ndp-item-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-900);
}
.ndp-item-sub {
  font-size: 12px;
  color: var(--ink-500);
}
.ndp-preview {
  position: relative;
}
.ndp-preview-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s;
  padding: 4px 8px;
}
.ndp-preview-item.is-active {
  opacity: 1;
  visibility: visible;
  position: static;
}
.ndp-preview-card {
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ndp-preview-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
}
.ndp-preview-subtitle {
  font-size: 13px;
  color: var(--ink-500);
  line-height: 1.7;
}
.ndp-preview-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
  transition: color .15s;
}
.ndp-preview-cta:hover {
  color: var(--ink-600);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
}
.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 1px;
  transition: all .2s;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background:
      radial-gradient(50% 40% at 50% 0%, rgba(0, 0, 0, 0.03), transparent 70%),
      var(--bg);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
      linear-gradient(rgba(0,0,0,0.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,0,0,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
}
.hero-inner {
  display: block;
  position: relative;
}
.hero-content {
  display: block;
  width: 720px;
  max-width: calc(100% - 48px);
  margin: 0 auto 56px;
  text-align: center;
  box-sizing: border-box;
  position: relative;
  left: 0;
  right: 0;
}
.hero-features {
  text-align: center;
  padding-top: 24px;
  margin: 24px auto 0;
  border-top: 1px solid var(--border);
  max-width: 100%;
  box-sizing: border-box;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-500);
  margin-bottom: 20px;
}
.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-700);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-500);
  margin-bottom: 20px;
}
.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-700);
}
.hero-brand {
  font-size: clamp(48px, 6.5vw, 56px);
  font-weight: 800;
  color: var(--ink-900);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 40px;
  display: block;
}
.hero-description {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-500);
  line-height: 1.7;
  margin: 0 auto 32px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}
.hero-features {
  text-align: center;
  padding-top: 24px;
  margin: 24px auto 0;
  border-top: 1px solid var(--border);
  max-width: 100%;
  box-sizing: border-box;
}
.hf-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 6px 14px;
  font-size: 13px;
  color: var(--ink-600);
  white-space: nowrap;
}
.hf-item::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-400);
}

.hero-visual {
  position: relative;
  aspect-ratio: 1280 / 624;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* ============ AI 场景 ============ */
.capabilities {
  padding: 96px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.capability-list {
  display: flex;
  flex-direction: column;
  gap: 88px;
  max-width: 1120px;
  margin: 0 auto;
}
.capability {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.capability.is-reverse {
  direction: rtl;
}
.capability.is-reverse > * {
  direction: ltr;
}
.capability-text { max-width: 540px; }
.capability.is-reverse .capability-text { margin-left: auto; }
.capability-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}
.capability-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--ink-900);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.capability-title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.capability-subtitle {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-600);
  line-height: 1.55;
  margin-bottom: 22px;
}
.capability-bullets {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.capability-bullets li {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-700);
  padding-left: 18px;
  position: relative;
}
.capability-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-400);
}
.capability-bullets li b {
  color: var(--ink-900);
  font-weight: 600;
  margin-right: 4px;
}
.capability-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--surface);
}
.capability-visual img {
  width: 100%;
  height: auto;
  display: block;
}
.placeholder {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, var(--bg-soft) 0%, var(--bg-tint) 100%);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-xl);
}
.placeholder-icon {
  color: var(--ink-400);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
@media (max-width: 960px) {
  .capability,
  .capability.is-reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    direction: ltr;
  }
  .capability.is-reverse .capability-text { margin-left: 0; }
  .capability.is-reverse .capability-visual { order: -1; }
  .capability-list { gap: 64px; }
}

/* ============ 单机快速部署 ============ */
.quickdeploy {
  padding: 96px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
/* 嵌套在「企业级 AI 生产力平台」板块内部时，改为子区块样式 */
.capabilities .quickdeploy {
  padding: 88px 0 0;
  background: transparent;
  border-bottom: none;
}
.quickdeploy-card {
  max-width: 820px;
  margin: 0 auto;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.quickdeploy-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.quickdeploy-dots {
  display: inline-flex;
  gap: 6px;
}
.quickdeploy-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-200);
}
.quickdeploy-dots span:nth-child(1) { background: #E5E5E5; }
.quickdeploy-dots span:nth-child(2) { background: #D6D6D6; }
.quickdeploy-dots span:nth-child(3) { background: #C2C2C2; }
.quickdeploy-title {
  font-size: 12px;
  color: var(--ink-500);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  flex: 1;
}
.quickdeploy-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--ink-600);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all .15s;
}
.quickdeploy-copy:hover { color: var(--ink-900); border-color: var(--ink-700); }
.quickdeploy-copy.is-done {
  color: var(--ink-900);
  border-color: var(--ink-700);
}
.quickdeploy-body {
  padding: 4px 0 12px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13.5px;
  line-height: 1.6;
}
/* 说明型卡片正文（非命令），如「安装 Node.js」这类只需描述的步骤 */
.quickdeploy-body.is-text {
  padding: 16px 20px 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-700);
}
.quickdeploy-body.is-text p + p { margin-top: 8px; }
.quickdeploy-body.is-text b { color: var(--ink-900); font-weight: 600; }
.quickdeploy-body.is-text a {
  color: var(--ink-900);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.quickdeploy-body.is-text a:hover { color: var(--ink-600); }
.quickdeploy-body.is-text code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
}
.quickdeploy-section {
  padding: 10px 0 6px;
  border-top: 1px dashed var(--border);
}
.quickdeploy-section:first-child {
  border-top: none;
}
.quickdeploy-section-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 20px 6px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-700);
  letter-spacing: 0.02em;
}
.quickdeploy-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--ink-900);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}
.quickdeploy-section-title {
  font-size: 13px;
  color: var(--ink-700);
  font-weight: 600;
}
.quickdeploy-cmds {
  list-style: none;
  margin: 0;
  padding: 0;
}
.quickdeploy-cmds li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 20px;
  transition: background .15s;
}
.quickdeploy-cmds li:hover { background: var(--surface); }
.quickdeploy-prompt {
  flex-shrink: 0;
  color: var(--ink-400);
  font-size: 14px;
  user-select: none;
}
.quickdeploy-cmds code {
  color: var(--ink-900);
  font-weight: 500;
  background: transparent;
}
.quickdeploy-note {
  color: var(--ink-500);
  font-size: 12.5px;
  margin-left: 6px;
}

/* 前置条件 */
.quickdeploy-prereq-head-note {
  max-width: 820px;
  margin: 0 auto 14px;
  padding: 0 4px;
  font-size: 13px;
  color: var(--ink-500);
  text-align: left;
}
.quickdeploy-prereq {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 0 auto 32px;
  padding: 0;
  max-width: 820px;
}
.quickdeploy-prereq li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 13px;
}
.quickdeploy-prereq-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.quickdeploy-prereq-k {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-500);
  background: var(--ink-100);
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}
.quickdeploy-prereq-name {
  font-weight: 600;
  color: var(--ink-900);
  font-size: 14px;
}
.quickdeploy-prereq-desc {
  color: var(--ink-600);
  font-size: 13px;
  line-height: 1.5;
}
.quickdeploy-prereq-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.quickdeploy-prereq-ver {
  font-size: 11.5px;
  color: var(--ink-500);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  padding: 2px 6px;
  background: var(--bg-soft);
  border-radius: 4px;
}
.quickdeploy-prereq-os {
  font-size: 11.5px;
  color: var(--ink-600);
  padding: 2px 8px;
  background: var(--ink-50);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.quickdeploy-prereq code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  color: var(--ink-700);
  padding: 4px 8px;
  background: var(--bg-soft);
  border-radius: 4px;
  align-self: flex-start;
}

/* 卡片头部 OS 徽标 */
.quickdeploy-os-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 11.5px;
  color: var(--ink-600);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-weight: 500;
}

/* 部署入口 */
.quickdeploy-entries {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 820px;
  margin: 32px auto 0;
}
.quickdeploy-entry {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--ink-900);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.quickdeploy-entry:hover {
  border-color: var(--ink-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.quickdeploy-entry-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--bg-tint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-700);
}
.quickdeploy-entry-body { flex: 1; min-width: 0; }
.quickdeploy-entry-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 2px;
}
.quickdeploy-entry-desc {
  font-size: 13px;
  color: var(--ink-500);
  line-height: 1.5;
}
.quickdeploy-entry-arrow {
  flex-shrink: 0;
  font-size: 18px;
  color: var(--ink-400);
  transition: color .2s, transform .2s;
}
.quickdeploy-entry:hover .quickdeploy-entry-arrow {
  color: var(--ink-900);
  transform: translateX(2px);
}
.quickdeploy-copy-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--ink-600);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all .15s;
}
.quickdeploy-copy-all:hover { color: var(--ink-900); border-color: var(--ink-700); }
@media (max-width: 720px) {
  .quickdeploy-body { font-size: 12.5px; }
  .quickdeploy-cmds li { padding: 6px 14px; gap: 8px; flex-wrap: wrap; }
  .quickdeploy-note { width: 100%; margin-left: 0; }
  .quickdeploy-prereq { grid-template-columns: 1fr; }
  .quickdeploy-entries { grid-template-columns: 1fr; }
  .quickdeploy-os-badge { display: none; }
}
.scenario-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  padding: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.scenario-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-500);
  border-radius: 999px;
  transition: all .2s;
}
.scenario-tab:hover { color: var(--ink-900); }
.scenario-tab.is-active {
  background: var(--surface);
  color: var(--ink-900);
  box-shadow: var(--shadow-sm);
}
.scenario-panels { position: relative; }
.scenario-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.scenario-panel.is-active { display: grid; }
.sp-title {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.sp-desc {
  font-size: 17px;
  color: var(--ink-500);
  margin-bottom: 24px;
}
.sp-meta { display: flex; flex-direction: column; gap: 14px; }
.sp-meta-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  font-size: 14px;
  line-height: 1.6;
}
.sp-meta-label {
  color: var(--ink-500);
  font-weight: 500;
}
.sp-meta-value { color: var(--ink-700); }
.sp-visual {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-height: 360px;
  display: grid;
  gap: 16px;
}
.sp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.spc-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
  margin-bottom: 12px;
}
.spc-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-400);
}
.spc-list { display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--ink-600); }
.spc-list li { padding-left: 12px; position: relative; }
.spc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ink-300);
}
.spc-report { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.sr-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 10px;
  align-items: baseline;
}
.sr-row b { color: var(--ink-900); font-weight: 600; }
.sr-row span { color: var(--ink-600); }

/* ============ 生态合作 ============ */
.ecosystem {
  padding: 96px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.eco-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  margin-top: 32px;
}
.eco-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: ecoScroll 28s linear infinite;
}
@keyframes ecoScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.eco-logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  padding: 0 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-700);
  white-space: nowrap;
}

/* ============ 隐私与安全 ============ */
.security {
  padding: 96px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.sec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.sec-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .2s, transform .2s;
}
.sec-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.sec-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--bg-tint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--ink-700);
}
.sec-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.sec-desc {
  font-size: 14px;
  color: var(--ink-500);
  line-height: 1.7;
}

/* ============ Get Started ============ */
.getstarted {
  padding: 96px 0;
  background: var(--ink-900);
  color: #fff;
}
.getstarted .eyebrow,
.getstarted .eyebrow-en { color: rgba(255,255,255,0.5); }
.getstarted .section-title { color: #fff; }
.getstarted .section-subtitle { color: rgba(255,255,255,0.65); }
.gs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}
.gs-col-title {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.gs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.gs-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  color: #fff;
  font-size: 14px;
  transition: background .2s;
}
.gs-item:hover { background: rgba(255,255,255,0.1); }
.gs-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-top {
  padding: 64px 0 48px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 1.3fr;
  gap: 48px;
}
.footer-brand-col { max-width: 380px; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-brand-mark { display: block; }
.footer-brand-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
}
.footer-brand-subtitle {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-900);
  margin-bottom: 8px;
}
.footer-tagline {
  font-size: 13px;
  color: var(--ink-500);
  line-height: 1.7;
}
.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-list { display: flex; flex-direction: column; gap: 10px; }
.footer-list a.footer-list-phone {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}
.footer-list-addr {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-500);
}
.footer-list-city {
  flex-shrink: 0;
  min-width: 28px;
  color: var(--ink-900);
  font-weight: 500;
}
.footer-list-addr-text {
  flex: 1;
  word-break: break-all;
}
.footer-list a {
  font-size: 14px;
  color: var(--ink-500);
  transition: color .2s;
}
.footer-list a:hover { color: var(--ink-900); }
.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-500);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  text-align: right;
  font-size: 13px;
  color: var(--ink-500);
  line-height: 1.6;
}
.footer-contact-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
}
.footer-contact-row--inline {
  gap: 8px;
}
.footer-contact-divider {
  color: var(--ink-300);
}
.footer-contact-tag {
  color: var(--ink-900);
  font-weight: 500;
}
.footer-contact-label {
  color: var(--ink-900);
  font-weight: 500;
}
.footer-contact-sep {
  color: var(--ink-400);
}
.footer-contact-text {
  color: var(--ink-500);
}
.footer-contact-link {
  color: var(--ink-500);
  transition: color .2s;
}
.footer-contact-link:hover {
  color: var(--ink-900);
}

/* ============ 滚动渐入 ============ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .hero-inner { gap: 40px; }
  .sec-grid { grid-template-columns: 1fr; }
  .gs-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  .primary-nav { display: none; }
  .mobile-toggle { display: inline-flex; }
  .primary-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
    gap: 12px;
  }
  .header-actions .link-muted { display: none; }
  .hero { padding: 56px 0 72px; }
.scenarios,
.ecosystem,
.security,
.getstarted,
.quickdeploy,
.capabilities,
.solutions { padding: 72px 0; }
  .capabilities .quickdeploy { padding-top: 56px; }
  .gs-list { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}

/* ============ 行业解决方案 ============ */
.solutions {
  padding: 72px 0;
  background: var(--ink-900);
  color: #fff;
}
.solutions .eyebrow-en { color: rgba(255,255,255,0.5); }
.solutions-intro {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.solutions-intro h2 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 12px 0 16px;
}
.solutions-intro p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
}
.solutions-cta {
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  background: transparent;
  color: #fff;
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.solutions-cta:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.06);
  color: #fff;
}
.solutions-cta-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #fff;
  color: var(--ink-900);
  font-size: 12px;
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.solution-card {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 32px 28px;
  background: rgba(255,255,255,0.03);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.solution-card:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}
.solution-head { margin-bottom: 24px; }
.solution-index {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.solution-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.005em;
  margin-bottom: 12px;
  line-height: 1.4;
}
.solution-target {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}
.solution-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.solution-body li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: 10px;
}
.solution-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.4);
}
.solution-body li:last-child { margin-bottom: 0; }
@media (max-width: 960px) {
  .solution-grid { grid-template-columns: 1fr; }
  .solutions-intro h2 { font-size: 26px; }
}

/* ============ 解决方案详情页 ============ */
.solutions-hero {
  padding: 120px 0 56px;
  background: var(--bg);
  text-align: center;
}
.solutions-hero .eyebrow-en {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink-400);
  margin-bottom: 20px;
}
.solutions-hero-title {
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin-bottom: 20px;
  line-height: 1.2;
}
.solutions-hero-subtitle {
  font-size: 17px;
  color: var(--ink-500);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 32px;
}

/* ============ 专业解决方案 ============ */
.pro-solutions {
  padding: 64px 0 80px;
  background: var(--bg-soft);
}
.pro-eyebrow {
  display: inline-block;
  padding: 4px 12px;
  background: transparent;
  color: var(--ink-900);
  border: 1px solid var(--ink-900);
  border-radius: 999px;
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.pro-index {
  color: var(--ink-400);
}
.pro-shared-note {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 16px;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-500);
}

.solutions-list {
  padding: 0 0 80px;
}
.solution-detail {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.solution-detail:last-child {
  border-bottom: none;
}

/* ============ 行业通用解决方案 ============ */
.free-solutions {
  padding: 0 0 64px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 64px;
}
.free-eyebrow {
  display: inline-block;
  padding: 4px 12px;
  background: var(--ink-900);
  color: #fff;
  border-radius: 999px;
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.free-groups {
  margin-top: 40px;
}
.free-group {
  max-width: 1120px;
  margin: 0 auto;
}
.free-group + .free-group {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.free-group-head {
  max-width: 720px;
  margin: 0 auto 28px;
  text-align: center;
}
.free-group-title {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}
.free-group-desc {
  font-size: 14px;
  color: var(--ink-500);
  line-height: 1.7;
  margin: 0;
}
.free-subgroup + .free-subgroup {
  margin-top: 32px;
}
.free-subgroup-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--ink-900);
  letter-spacing: -0.01em;
}
.free-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}
.free-subgroup .free-grid {
  margin-top: 0;
}
.free-grid.is-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.free-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.free-card:hover {
  border-color: var(--ink-700);
  transform: translateY(-2px);
}
.free-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.free-card-desc {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.6;
  margin: 0;
}
.free-industries {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.free-industry-label {
  font-size: 12.5px;
  color: var(--ink-400);
  margin-right: 2px;
}
.free-industry-tag {
  display: inline-flex;
  padding: 5px 14px;
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ink-600);
}
.free-consult {
  margin: 24px 0 0;
}
.free-consult-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--ink-900);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 3px;
  transition: border-color 0.2s ease;
}
.free-consult-link:hover {
  border-bottom-color: var(--ink-900);
}
.free-consult-arrow {
  transition: transform 0.2s ease;
}
.free-consult-link:hover .free-consult-arrow {
  transform: translateX(3px);
}

@media (max-width: 1080px) {
  .free-grid.is-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .free-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .free-grid.is-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .free-grid { grid-template-columns: 1fr; }
  .free-grid.is-4 { grid-template-columns: 1fr; }
}
.solution-detail-head {
  max-width: 720px;
  margin-bottom: 32px;
}
.solution-detail-head .solution-index {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-400);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.solution-detail-head h2 {
  font-size: 32px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.solution-detail-head .solution-target {
  font-size: 15px;
  color: var(--ink-500);
  line-height: 1.6;
}
.solution-detail-body {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}
.solution-detail-section h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.solution-detail-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.solution-detail-section ul li {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}
.solution-detail-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-300);
}
.solution-detail-section ul li b {
  color: var(--ink-900);
  font-weight: 500;
}
.solution-steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.solution-steps li {
  counter-increment: step;
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.6;
  padding-left: 32px;
  position: relative;
}
.solution-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ink-900);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solutions-cta-section {
  padding: 80px 0 100px;
  scroll-margin-top: 64px;
}
.solutions-cta-card {
  background: var(--ink-900);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
}
.solutions-cta-card h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.solutions-cta-card p {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
}
.solutions-cta-card .btn {
  background: #fff;
  color: var(--ink-900);
}
.solutions-cta-card .btn:hover {
  background: rgba(255,255,255,0.9);
}
.cta-free-brief {
  max-width: 640px;
  margin: 0 auto 28px;
  padding: 20px 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  text-align: left;
}
.cta-free-brief p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin: 0;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-actions .btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.cta-actions .btn-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.06);
}

/* CTA 微信二维码占位 */
.cta-qr-list {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 40px;
}
.cta-qr-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.cta-qr-placeholder {
  width: 148px;
  height: 148px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.7;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.38);
  background: rgba(255,255,255,0.04);
  border: 1.5px dashed rgba(255,255,255,0.28);
  border-radius: var(--radius);
}
.cta-qr-label {
  font-size: 14px;
  color: rgba(255,255,255,0.78);
}
.cta-qr-img {
  width: 148px;
  height: 148px;
  object-fit: cover;
  border-radius: var(--radius);
  background: #fff;
}
@media (max-width: 600px) {
  .cta-qr-placeholder { width: 132px; height: 132px; }
  .cta-qr-img { width: 132px; height: 132px; }
}

@media (max-width: 960px) {
  .solutions-hero { padding: 96px 0 64px; }
  .solutions-hero-title { font-size: 32px; }
  .solution-detail-body { grid-template-columns: 1fr; gap: 24px; }
  .solutions-cta-card { padding: 48px 24px; }
}

/* ============ 语言切换器 ============ */
.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg);
  flex-shrink: 0;
}
.lang-switch-icon {
  flex-shrink: 0;
  color: var(--ink-400);
  margin-left: 10px;
  margin-right: 1px;
}
.lang-switch a {
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink-500);
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.lang-switch a:hover { color: var(--ink-900); background: var(--bg-soft); }
.lang-switch a.is-active {
  color: #fff;
  background: var(--ink-900);
}
.lang-switch .lang-switch-sep {
  width: 1px;
  align-self: stretch;
  background: var(--border);
}
@media (max-width: 720px) {
  .lang-switch a { padding: 4px 8px; font-size: 11.5px; }
  .lang-switch-icon { margin-left: 8px; }
  /* 移动端隐藏 GitHub 占位链接（尚未开放），为语言切换与下载按钮腾出空间 */
  .header-github { display: none; }
}

/* ============ 用户协议 / 隐私政策 ============ */
.legal-hero {
  padding: 104px 0 48px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.legal-hero-inner { max-width: 860px; margin: 0 auto; text-align: center; }
.legal-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.legal-subtitle {
  font-size: 16px;
  color: var(--ink-500);
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
}
.legal-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
  margin-top: 28px;
}
.legal-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  font-size: 13px;
  color: var(--ink-600);
}
.legal-meta-item b { color: var(--ink-900); font-weight: 600; }
.legal-body {
  padding: 64px 0 88px;
  background: var(--bg);
}
.legal-doc { max-width: 860px; margin: 0 auto; }
.legal-notice {
  padding: 20px 24px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink-900);
  border-radius: var(--radius-md);
  margin-bottom: 40px;
}
.legal-notice-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 8px;
}
.legal-notice p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-600);
}
.legal-toc {
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 52px;
}
.legal-toc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.legal-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 32px;
}
.legal-toc-list a {
  display: block;
  padding: 5px 0;
  font-size: 13.5px;
  color: var(--ink-600);
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.legal-toc-list a:hover { color: var(--ink-900); border-bottom-color: var(--border); }
.legal-section { margin-bottom: 40px; scroll-margin-top: 96px; }
.legal-section h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.4;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.legal-section h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 22px 0 10px;
}
.legal-section p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-700);
  margin-bottom: 14px;
}
.legal-section ul,
.legal-section ol {
  margin: 0 0 14px;
  padding-left: 22px;
}
.legal-section ul { list-style: disc; }
.legal-section ol { list-style: decimal; }
.legal-section li {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-700);
  margin-bottom: 6px;
}
.legal-section li::marker { color: var(--ink-400); }
.legal-section b { color: var(--ink-900); font-weight: 600; }
.legal-section a { color: var(--ink-900); text-decoration: underline; }
.legal-section a:hover { color: var(--ink-600); }
.legal-section code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
}
.legal-table-wrap {
  overflow-x: auto;
  margin: 0 0 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 640px;
}
.legal-table th,
.legal-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  line-height: 1.7;
}
.legal-table th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--ink-900);
  white-space: nowrap;
}
.legal-table td { color: var(--ink-700); }
.legal-table tr:last-child td { border-bottom: none; }
.legal-table td:first-child { font-weight: 600; color: var(--ink-900); }
.legal-sign {
  margin-top: 40px;
  padding: 24px 28px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.legal-sign-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 12px;
}
.legal-sign p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-600);
  margin-bottom: 6px;
}
.legal-sign a { color: var(--ink-900); text-decoration: underline; }
.legal-sign a:hover { color: var(--ink-600); }
@media (max-width: 720px) {
  .legal-hero { padding: 72px 0 36px; }
  .legal-title { font-size: 28px; }
  .legal-body { padding: 40px 0 64px; }
  .legal-toc-list { grid-template-columns: 1fr; }
  .legal-notice { padding: 18px 20px; }
  .legal-sign { padding: 20px; }
}
/* ============ 通用页面（外部接入 / 系统插件） ============ */
.page-section {
  padding: 72px 0;
  background: var(--bg);
}
.page-section.is-soft { background: var(--bg-soft); }
.page-section.is-tint { background: var(--bg-tint); }
.page-section + .page-section { border-top: 1px solid var(--border); }

/* Hero 里的两类接入 */
.access-hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 32px auto 0;
  text-align: left;
}
.access-hero-item {
  padding: 26px 28px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.access-hero-k {
  display: inline-flex;
  padding: 5px 14px;
  margin-bottom: 16px;
  background: var(--ink-900);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.access-hero-t {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.access-hero-d {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.8;
  margin: 0;
}
@media (max-width: 720px) {
  .access-hero-grid { grid-template-columns: 1fr; }
}

/* 层级标识 */
.kind-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.kind-num {
  display: inline-flex;
  padding: 5px 14px;
  background: var(--ink-900);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.kind-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-500);
  letter-spacing: 0.04em;
}

/* 层级路径 */
.kind-path {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.kind-path > span:not(.kind-path-arrow) {
  display: inline-flex;
  padding: 6px 14px;
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-600);
}
.kind-path-arrow { color: var(--ink-300); font-size: 13px; }

/* 分层结构 */
.ext-stack {
  display: flex;
  flex-direction: column;
  max-width: 960px;
  margin: 48px auto 0;
}
.ext-layer {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.ext-layer.is-dark {
  background: var(--ink-900);
  border-color: var(--ink-900);
}
.ext-layer-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0 0 10px;
}
.ext-layer.is-dark .ext-layer-title { color: #fff; }
.ext-layer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-500);
  margin: 0;
}
.ext-layer.is-dark .ext-layer-desc { color: rgba(255,255,255,0.7); }
.ext-layer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.ext-tag {
  display: inline-flex;
  padding: 5px 12px;
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ink-600);
}
.ext-layer.is-dark .ext-tag {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.78);
}
.ext-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0;
  padding: 14px 20px;
  background: var(--bg-soft);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  font-size: 14px;
  color: var(--ink-600);
}
.ext-connector b { color: var(--ink-900); font-weight: 600; }
.ext-connector-arrow { color: var(--ink-400); }

/* 能力格 */
.ext-caps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.ext-cap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.ext-cap b { font-size: 13.5px; font-weight: 600; color: var(--ink-900); }
.ext-cap span { font-size: 12.5px; color: var(--ink-500); line-height: 1.6; }

/* 步骤条 */
.ext-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.ext-steps.is-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.ext-step {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.ext-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--ink-900);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}
.ext-step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 8px;
}
.ext-step-desc {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.7;
  margin: 0;
}

/* 分栏要点 */
.ext-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.ext-split-item {
  padding: 26px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.ext-split-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 10px;
}
.ext-split-item p {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.75;
  margin: 0;
}
.ext-list {
  margin: 12px 0 0;
  padding-left: 18px;
}
.ext-list li {
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.8;
  margin-bottom: 4px;
}
.ext-list li::marker { color: var(--ink-300); }

/* 提示条 */
.ext-note {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 40px;
  padding: 24px 28px;
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.ext-note strong { font-size: 15px; font-weight: 600; color: var(--ink-900); }
.ext-note span { font-size: 13.5px; color: var(--ink-500); line-height: 1.7; }

/* 插件卡片 */
.plug-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.plug-grid.is-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.plug-card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.plug-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.plug-tag {
  padding: 4px 10px;
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-600);
}
.plug-status {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
}
.plug-status.is-live {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.28);
  color: #0f7a52;
}
.plug-status.is-soon {
  background: rgba(234, 179, 8, 0.12);
  border: 1px solid rgba(234, 179, 8, 0.32);
  color: #8a6a08;
}
.plug-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.plug-summary {
  font-size: 13.5px;
  color: var(--ink-500);
  line-height: 1.7;
  margin: 0 0 16px;
}
.plug-list { margin: 0; padding-left: 18px; }
.plug-list li {
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.8;
}
.plug-list li::marker { color: var(--ink-300); }
.plug-grid .sec-card { display: flex; flex-direction: column; }
.plug-grid .sec-card .sec-desc { margin-bottom: 0; }

@media (max-width: 960px) {
  .ext-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ext-steps.is-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ext-split,
  .plug-grid { grid-template-columns: 1fr; }
  .plug-grid.is-3 { grid-template-columns: 1fr; }
  .sec-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .page-section { padding: 56px 0; }
  .ext-caps { grid-template-columns: 1fr; }
  .ext-steps { grid-template-columns: 1fr; }
  .ext-layer { padding: 22px 20px; }
  .primary-nav .nav-dropdown {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }
  .primary-nav .nav-dropdown-panel {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    min-width: 0;
    padding: 0 0 0 14px;
    background: transparent;
    border: none;
    border-left: 1px solid var(--border);
    border-radius: 0;
    box-shadow: none;
    margin-top: 6px;
  }
  .primary-nav .nav-dropdown.is-open .nav-dropdown-panel {
    display: block;
    transform: none;
  }
}