/*
 * 轻松牙医官网首页第四版
 * --------------------------------------------------------------------------
 * 本文件从零建立视觉系统，不继承第二、第三版样式，也不通过覆盖旧规则修补页面。
 * 设计重点：中文信息清晰、品牌可信、首屏使用正确设备图、所有内容纵向可发现。
 */

@import url('/assets/fonts/noto-sans-sc/index.css');

:root {
  --brand: #0a7fc3;
  --brand-deep: #075f9b;
  --brand-bright: #15a9db;
  --navy: #071d37;
  --navy-soft: #0d2c50;
  --ink: #142033;
  --text: #35435a;
  --muted: #5f6f82;
  --line: #dce4ec;
  --line-strong: #cbd6e1;
  --surface: #f6f8fb;
  --surface-blue: #eff7fb;
  --white: #ffffff;
  --container: 1240px;
  --wide: 1480px;
  --header-height: 82px;
  --shadow-soft: 0 22px 58px rgba(15, 42, 72, 0.085);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--white);
  color: var(--ink);
  font-family: 'Noto Sans SC Variable', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: 0;
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid rgba(21, 169, 219, 0.42);
  outline-offset: 3px;
}

.container,
.wide-container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.wide-container {
  width: min(calc(100% - 64px), var(--wide));
}

.section {
  padding-block: 96px;
}

.section-heading {
  margin: 0 0 44px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(36px, 3.2vw, 44px);
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.3;
}

.section-heading p {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 18px;
}

/* --------------------------------------------------------------------------
 * 顶部导航
 * Logo 使用从原始品牌图逐像素无损裁切出的文件，不依赖 CSS 位移遮挡。
 * 导航文本保持固定字号、内边距和下划线尺寸，悬停与选中均不会改变布局。
 * ----------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #e5ebf1;
  background: var(--white);
}

.header-inner {
  display: flex;
  height: var(--header-height);
  align-items: center;
}

.brand-mark,
.footer-brand {
  display: block;
  width: 226px;
  height: 58px;
  flex: 0 0 226px;
}

.brand-mark img,
.footer-brand img {
  display: block;
  width: 100%;
  height: auto;
}

.main-nav {
  align-self: stretch;
  margin-left: auto;
}

.nav-list,
.submenu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list {
  display: flex;
  height: 100%;
  align-items: stretch;
}

.nav-list > li {
  position: relative;
  display: flex;
  align-items: stretch;
}

.nav-link {
  position: relative;
  display: flex;
  min-width: 70px;
  align-items: center;
  justify-content: center;
  padding-inline: 14px;
  color: #27354a;
  font-size: 16px;
  font-weight: 560;
  white-space: nowrap;
  transition: color 160ms ease;
}

.nav-link::before {
  position: absolute;
  right: 18px;
  bottom: 0;
  left: 18px;
  height: 3px;
  background: var(--brand);
  content: '';
  opacity: 0;
  transform: scaleX(0.45);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-current {
  color: var(--brand);
}

.nav-link:hover::before,
.nav-link:focus-visible::before,
.nav-link.is-current::before {
  opacity: 1;
  transform: scaleX(1);
}

.has-submenu > .nav-link {
  padding-right: 26px;
}

.has-submenu > .nav-link::after {
  position: absolute;
  top: 50%;
  right: 12px;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  content: '';
  transform: translateY(-65%) rotate(45deg);
}

.submenu {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  visibility: hidden;
  width: 178px;
  border: 1px solid #e3e9f1;
  background: var(--white);
  box-shadow: 0 18px 44px rgba(18, 42, 71, 0.13);
  opacity: 0;
  padding-block: 9px;
  transform: translate(-50%, 8px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

.submenu-right {
  right: 0;
  left: auto;
  transform: translate(0, 8px);
}

.has-submenu:hover > .submenu,
.has-submenu:focus-within > .submenu {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

.has-submenu:hover > .submenu-right,
.has-submenu:focus-within > .submenu-right {
  transform: translate(0, 0);
}

.submenu a {
  display: block;
  padding: 11px 18px;
  color: #415067;
  font-size: 15px;
  transition: background 140ms ease, color 140ms ease;
}

.submenu a:hover,
.submenu a:focus-visible {
  background: #f1f7fb;
  color: var(--brand);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 20px;
  white-space: nowrap;
}

.header-phone {
  color: var(--brand);
  font-size: 15px;
  font-weight: 650;
}

.account-link {
  display: inline-flex;
  width: 94px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--brand);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 650;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.login-link {
  background: var(--white);
  color: var(--brand-deep);
}

.login-link:hover {
  background: #f2f9fc;
  border-color: var(--brand-deep);
  transform: translateY(-1px);
}

.register-link {
  background: var(--brand);
  color: var(--white);
}

.register-link:hover {
  background: var(--brand-deep);
  transform: translateY(-1px);
}

/* 移动菜单内提供完整账户入口；桌面端由右侧等尺寸按钮承担。 */
.mobile-account-actions {
  display: none !important;
}

.mobile-consult-action {
  display: none !important;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
 * 首屏
 * 产品设备已经从原始素材中独立裁出，首屏不再复用旧横幅的暗色背景。
 * 左右内容采用与正文一致的 1240px 栅格，避免首屏和后续区块基准线错位。
 * ----------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background:
    linear-gradient(102deg, #ffffff 0%, #ffffff 51%, #f4f7f9 51.1%, #f4f7f9 100%);
  color: var(--ink);
}

.hero-inner {
  display: grid;
  min-height: 620px;
  align-items: center;
  gap: 52px;
  grid-template-columns: minmax(0, 42%) minmax(0, 58%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: auto;
  padding-bottom: 12px;
}

.hero-copy h1 {
  margin: 0;
  color: #0b2138;
  font-size: clamp(58px, 5vw, 70px);
  font-weight: 720;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.hero-copy p {
  margin: 28px 0 0;
  color: #40566d;
  font-size: clamp(27px, 2.25vw, 32px);
  font-weight: 430;
  letter-spacing: 0.01em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 48px;
}

.button {
  display: inline-flex;
  min-width: 166px;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 12px 26px;
  font-size: 17px;
  font-weight: 650;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--brand);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(10, 127, 195, 0.2);
}

.button-primary:hover {
  background: var(--brand-deep);
}

.button-secondary {
  border-color: #bfcbd7;
  background: var(--white);
  color: #243b52;
}

.button-secondary:hover {
  border-color: var(--brand);
  background: #f7fbfd;
  color: var(--brand-deep);
}

.hero-product {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  margin: 0;
  align-items: center;
  justify-content: flex-end;
}

.hero-product img {
  width: min(100%, 690px);
  max-width: none;
  filter: drop-shadow(0 28px 34px rgba(15, 43, 70, 0.12));
  transform: translateX(18px);
}

.home-carousel {
  position: relative;
  background: #071f59;
}

.home-carousel-viewport {
  position: relative;
  height: 620px;
  overflow: hidden;
}

.home-carousel-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.home-carousel-slide.is-active {
  animation: home-carousel-enter 360ms ease both;
}

.hero-product-link {
  display: block;
  border-radius: 20px;
}

.hero-product-link:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 8px;
}

.hero-feature {
  background: #061f5d;
}

.hero-feature-link {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  background: #061f5d;
}

.hero-feature-link:focus-visible {
  outline: 3px solid #ffcf61;
  outline-offset: -6px;
}

.hero-feature-link > img {
  display: block;
  width: min(100%, 1774px);
  height: 100%;
  object-fit: contain;
}

@media (min-width: 781px) {
  .hero-feature-link > img {
    width: min(100%, 1240px);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
  }
}

.hero-feature-mobile-copy {
  display: none;
}

.home-carousel-controls {
  position: absolute;
  z-index: 6;
  left: 50%;
  bottom: 68px;
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 2px;
  transform: translateX(-50%);
}

.home-carousel-controls button {
  position: relative;
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #123a61;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, opacity 160ms ease;
}

.home-carousel-controls button:hover,
.home-carousel-controls button:focus-visible {
  background: rgba(7, 53, 94, .08);
  color: var(--brand-deep);
}

.home-carousel-controls button:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: -3px;
}

.home-carousel-bars {
  display: flex;
  align-items: center;
  gap: 0;
}

.home-carousel-bar {
  padding: 0;
}

.home-carousel-bar::before {
  content: "";
  width: 25px;
  height: 3px;
  border-radius: 999px;
  background: rgba(21, 69, 105, .35);
  box-shadow: 0 1px 2px rgba(255, 255, 255, .4);
  transition: width 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.home-carousel-bar.is-active::before {
  width: 36px;
  background: #0788c6;
  box-shadow: 0 1px 5px rgba(7, 136, 198, .28);
}

.home-carousel-pause {
  margin-left: 1px;
  padding: 0;
  font-weight: 760;
  opacity: .52;
}

.home-carousel-pause [data-carousel-pause-icon] {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
  overflow: hidden;
  font-size: 0;
}

.home-carousel-pause [data-carousel-pause-icon]::before,
.home-carousel-pause [data-carousel-pause-icon]::after {
  content: "";
  position: absolute;
  top: 1px;
  width: 3px;
  height: 12px;
  border-radius: 2px;
  background: currentColor;
}

.home-carousel-pause [data-carousel-pause-icon]::before { left: 3px; }
.home-carousel-pause [data-carousel-pause-icon]::after { right: 3px; }

.home-carousel-pause[aria-pressed="true"] [data-carousel-pause-icon]::before {
  top: 1px;
  left: 4px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid currentColor;
  border-radius: 0;
  background: transparent;
}

.home-carousel-pause[aria-pressed="true"] [data-carousel-pause-icon]::after {
  display: none;
}

.home-carousel-pause:hover,
.home-carousel-pause:focus-visible {
  opacity: 1;
}

.home-carousel[data-carousel-active="1"] .home-carousel-controls button {
  color: rgba(255, 255, 255, .92);
}

.home-carousel[data-carousel-active="1"] .home-carousel-controls button:hover,
.home-carousel[data-carousel-active="1"] .home-carousel-controls button:focus-visible {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.home-carousel[data-carousel-active="1"] .home-carousel-bar::before {
  background: rgba(255, 255, 255, .42);
  box-shadow: 0 1px 4px rgba(0, 20, 62, .32);
}

.home-carousel[data-carousel-active="1"] .home-carousel-bar.is-active::before {
  background: #fff;
  box-shadow: 0 1px 7px rgba(255, 255, 255, .35);
}

.home-carousel .home-carousel-controls button.home-carousel-bar:focus-visible {
  outline: 0;
  background: transparent;
}

.home-carousel-bar:focus-visible::before {
  box-shadow: 0 0 0 3px rgba(7, 136, 198, .2), 0 1px 5px rgba(7, 136, 198, .28);
}

.home-carousel[data-carousel-active="1"] .home-carousel-bar:focus-visible::before {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .22), 0 1px 7px rgba(255, 255, 255, .35);
}

@keyframes home-carousel-enter {
  from { opacity: .2; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --------------------------------------------------------------------------
 * 六项数据
 * 奖牌只承载金色线刻图标与黑色说明，关键数据改为奖牌外的黑色 HTML 文字。
 * 透明玻璃使用接近无色的切边，避免蓝青色奖章与首页白、灰、蓝体系发生冲突。
 * ----------------------------------------------------------------------- */
.facts {
  position: relative;
  z-index: 4;
  background: var(--white);
}

.fact-grid {
  position: relative;
  display: grid;
  min-height: 236px;
  margin-top: -48px;
  border: 1px solid rgba(208, 217, 224, 0.82);
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 20px 46px rgba(20, 45, 64, 0.09);
  grid-template-columns: repeat(6, minmax(0, 1fr));
  padding: 24px 16px 22px;
}

.fact {
  display: flex;
  min-height: 188px;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid #edf1f4;
  padding: 0 10px;
  text-align: center;
}

.fact:last-child {
  border-right: 0;
}

/*
 * 玻璃主体为纯 CSS 绘制：外层渐变负责透明切边，内层伪元素形成轻微磨砂面。
 * 文字和图标始终保持为独立 DOM/SVG，不会因为缩放或单文件保存而失去清晰度。
 */
.fact-award {
  position: relative;
  isolation: isolate;
  display: flex;
  width: 118px;
  height: 128px;
  flex: 0 0 128px;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(197, 207, 213, 0.58) 14%, rgba(255, 255, 255, 0.96) 33%, rgba(174, 187, 195, 0.5) 67%, rgba(251, 253, 253, 0.96) 86%, rgba(158, 174, 183, 0.66) 100%);
  clip-path: polygon(7px 0, calc(100% - 7px) 0, 100% 7px, 100% calc(100% - 7px), calc(100% - 7px) 100%, 7px 100%, 0 calc(100% - 7px), 0 7px);
  filter: drop-shadow(0 8px 8px rgba(28, 48, 59, 0.11));
}

.fact-award::before {
  position: absolute;
  z-index: -1;
  inset: 5px;
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.98), transparent 48%),
    linear-gradient(160deg, rgba(250, 251, 251, 0.92), rgba(239, 243, 244, 0.78));
  box-shadow:
    inset 0 0 0 1px rgba(203, 211, 215, 0.64),
    inset 0 12px 26px rgba(255, 255, 255, 0.56);
  clip-path: polygon(5px 0, calc(100% - 5px) 0, 100% 5px, 100% calc(100% - 5px), calc(100% - 5px) 100%, 5px 100%, 0 calc(100% - 5px), 0 5px);
  content: '';
}

.fact-award::after {
  position: absolute;
  top: -34px;
  left: -42px;
  width: 60px;
  height: 210px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.54), transparent);
  content: '';
  opacity: 0.52;
  pointer-events: none;
  transform: rotate(18deg);
}

.fact-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  align-items: center;
  justify-content: center;
  color: #b48945;
}

.fact-icon svg {
  width: 44px;
  height: 44px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.45;
  filter: drop-shadow(0 1px 0 rgba(255, 255, 255, 0.84));
}

.fact-label {
  position: relative;
  z-index: 1;
  width: 78px;
  margin-top: 14px;
  padding-top: 11px;
  color: #27323a;
  font-size: 15px;
  font-weight: 590;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.fact-label::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 28px;
  height: 1px;
  background: rgba(180, 137, 69, 0.72);
  content: '';
  transform: translateX(-50%);
}

.fact-value {
  margin-top: 15px;
  color: var(--ink);
  font-size: clamp(20px, 1.38vw, 23px);
  font-weight: 680;
  letter-spacing: -0.02em;
  line-height: 1.25;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
 * 通用标签导航
 * 标签使用固定网格，窄屏自动换行，不使用横向滚动条或两侧隐藏入口。
 * ----------------------------------------------------------------------- */
.tab-bar {
  display: grid;
  width: min(100%, 900px);
  margin: 0 auto 42px;
  border-bottom: 1px solid var(--line-strong);
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.tab-bar button {
  position: relative;
  min-height: 58px;
  background: transparent;
  color: #667387;
  cursor: pointer;
  font-size: 17px;
  font-weight: 560;
}

.tab-bar button::after {
  position: absolute;
  right: 22%;
  bottom: -1px;
  left: 22%;
  height: 3px;
  background: var(--brand);
  content: '';
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 160ms ease, transform 160ms ease;
}

.tab-bar button:hover,
.tab-bar button[aria-selected='true'] {
  color: var(--brand-deep);
}

.tab-bar button[aria-selected='true'] {
  font-weight: 680;
}

.tab-bar button[aria-selected='true']::after {
  opacity: 1;
  transform: scaleX(1);
}

/* 标签自身已有明确的选中下划线，避免鼠标切换后再叠加一层矩形焦点框。 */
.tab-bar button:focus-visible {
  outline: 0;
}

/* --------------------------------------------------------------------------
 * 产品优势
 * 内容区图片与首屏职责分离：choice 图片仅在对应功能说明中出现。
 * ----------------------------------------------------------------------- */
.advantages {
  background: var(--white);
}

.choice-stage {
  overflow: visible;
}

.choice-panel {
  min-height: 500px;
  align-items: center;
  gap: 66px;
  grid-template-columns: minmax(0, 57%) minmax(0, 43%);
}

.choice-panel.is-active {
  display: grid;
}

.choice-visual {
  display: flex;
  min-width: 0;
  min-height: 500px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #f4f7f9;
  padding: 34px 30px;
}

.choice-visual img {
  max-height: 450px;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(23, 55, 82, 0.1));
}

/*
 * 投影测量与全景分析使用真实软件截图。处理后的图片已经裁净边缘并统一圆角，
 * 在此放大到可读尺寸，不再叠加设备模型或装饰背景，避免真实界面被二次遮挡。
 */
.choice-panel-screenshot .choice-visual {
  min-height: 470px;
  padding: 18px 14px;
}

.choice-panel-screenshot .choice-visual img {
  width: 100%;
  max-height: none;
  border: 1px solid #dfe5eb;
  border-radius: 10px;
  filter: drop-shadow(0 16px 24px rgba(23, 55, 82, 0.12));
}

.choice-copy {
  padding: 38px 0;
}

.choice-label {
  display: inline-flex;
  align-items: center;
  color: var(--brand);
  font-size: 17px;
  font-weight: 680;
}

.choice-label::before {
  display: none;
}

.choice-copy h3 {
  margin: 18px 0 0;
  color: var(--ink);
  font-size: clamp(30px, 2.35vw, 36px);
  font-weight: 680;
  letter-spacing: -0.025em;
  line-height: 1.38;
}

.choice-copy p {
  margin: 22px 0 0;
  color: #536177;
  font-size: 18px;
  line-height: 1.9;
}

/* --------------------------------------------------------------------------
 * 软件功能
 * 使用明亮的工作台式信息带，避免深色整段和白色大卡片形成常见后台模板观感。
 * ----------------------------------------------------------------------- */
.functions {
  background: #f4f7f9;
}

.functions .container {
  display: grid;
  align-items: stretch;
  gap: 0 34px;
  grid-template-columns: 248px minmax(0, 1fr);
}

.functions .section-heading {
  grid-column: 1 / -1;
  margin-bottom: 48px;
  text-align: center;
}

.section-heading-light h2,
.section-heading-light p {
  color: var(--ink);
}

.section-heading-light p {
  color: var(--muted);
}

.function-role-nav {
  display: flex;
  grid-column: 1;
  grid-row: 2;
  flex-direction: column;
  align-self: stretch;
  border: 1px solid #154e69;
  border-radius: 14px;
  background: #103f59;
  box-shadow: 0 18px 32px rgba(22, 58, 78, 0.08);
  padding: 24px 18px 18px;
}

.function-role-heading {
  display: flex;
  flex-direction: column;
  padding: 0 8px;
}

.function-role-heading strong {
  color: var(--white);
  font-size: 18px;
  font-weight: 680;
  letter-spacing: 0.01em;
}

.function-role-heading span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
}

.function-tabs {
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 5px;
  margin: 19px 0 0;
  border: 0;
  padding: 0;
}

.function-tabs button {
  min-height: 52px;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 10px 44px 10px 16px;
  color: rgba(255, 255, 255, 0.74);
  text-align: left;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
}

.function-tabs button:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.function-tabs button[aria-selected='true'] {
  border-color: var(--white);
  background: var(--white);
  box-shadow: 0 8px 20px rgba(2, 24, 38, 0.2);
  color: #123e55;
  font-weight: 680;
}

.function-tabs button::after {
  display: block;
  right: 16px;
  bottom: 50%;
  left: auto;
  width: auto;
  height: auto;
  background: transparent;
  content: '→';
  opacity: 0.5;
  transform: translateY(50%);
  transition: opacity 150ms ease, transform 150ms ease;
}

.function-tabs button:hover::after {
  opacity: 0.85;
}

.function-tabs button[aria-selected='true']::after {
  opacity: 1;
  transform: translate(3px, 50%);
}

.function-stage {
  grid-column: 2;
  grid-row: 2;
  overflow: visible;
  background: transparent;
  padding-top: 2px;
}

.function-panel.is-active {
  display: block;
}

.function-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.function-item {
  display: flex;
  min-width: 0;
  min-height: 158px;
  /* 以三列为基础；最后一行不足三项时自动均分宽度，不保留空白占位。 */
  flex: 1 0 calc((100% - 28px) / 3);
  align-items: center;
  gap: 18px;
  border: 1px solid #dfe6ec;
  border-radius: 12px;
  background: var(--white);
  padding: 26px 28px;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.function-item:hover {
  border-color: #b9d9e9;
  background: #fbfdfe;
  transform: translateY(-2px);
}

.function-item img {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  object-fit: contain;
}

.function-item span {
  margin: 0;
  color: #29384d;
  font-size: 18px;
  font-weight: 620;
}

/* --------------------------------------------------------------------------
 * 客户反馈
 * 三条评价采用统一证言横带：人物仅作为身份识别，文字成为主体；
 * 中间较长评价获得更宽列，避免人为放大短内容造成大面积空白。
 * ----------------------------------------------------------------------- */
.feedback {
  background: var(--white);
}

.feedback .section-heading {
  margin-bottom: 42px;
  text-align: left;
}

.testimonial-grid {
  display: grid;
  overflow: hidden;
  border-top: 1px solid #dfe5eb;
  border-bottom: 1px solid #dfe5eb;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.22fr) minmax(0, 1fr);
}

.testimonial {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border-right: 1px solid #dfe5eb;
  background: var(--white);
  padding: 38px 38px 40px;
}

.testimonial:nth-child(2) {
  background: #f7fafc;
}

.testimonial:last-child {
  border-right: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.testimonial-author img {
  width: 72px;
  height: 72px;
  flex: 0 0 72px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 18%;
  filter: saturate(0.84);
}

.testimonial-author p {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 650;
  line-height: 1.55;
}

.testimonial blockquote {
  position: relative;
  flex: 1;
  margin: 30px 0 0;
  border-top: 1px solid #e4e9ee;
  padding-top: 31px;
  color: #46546a;
  font-size: 17px;
  line-height: 1.9;
}

.testimonial blockquote::before {
  position: absolute;
  top: 12px;
  left: 0;
  color: var(--brand-bright);
  content: '“';
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
}

/* --------------------------------------------------------------------------
 * 资质与客户
 * 资质从原始拼图中逐项裁出后直接陈列；客户 Logo 去除表格线，以视觉尺寸而非单元格边框建立秩序。
 * ----------------------------------------------------------------------- */
.credentials {
  background: #f4f7f9;
}

.credential-stage {
  display: grid;
  align-items: center;
  gap: 34px 28px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.credential-item {
  display: flex;
  min-width: 0;
  min-height: 238px;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.credential-item img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 238px;
  filter: drop-shadow(0 13px 18px rgba(22, 45, 67, 0.11));
}

.clients {
  background: var(--white);
}

.client-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.clients .client-logo {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 142px;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #dde7ec;
  border-radius: 15px;
  background: var(--white);
  box-shadow: 0 9px 26px rgba(17, 52, 75, 0.045);
  color: #4f6373;
  margin: 0;
  padding: 22px 14px 17px;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.clients .client-logo::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, transparent, #25b4c7, transparent);
  content: '';
  opacity: 0;
  transition: opacity 180ms ease;
}

.clients a.client-logo:hover,
.clients a.client-logo:focus-visible {
  border-color: #b7d8e2;
  box-shadow: 0 17px 38px rgba(13, 64, 91, 0.1);
  outline: 0;
  transform: translateY(-3px);
}

.clients a.client-logo:hover::before,
.clients a.client-logo:focus-visible::before {
  opacity: 1;
}

.clients .client-logo img {
  width: auto;
  max-width: 84%;
  height: 62px;
  max-height: 62px;
  object-fit: contain;
}

/* 机构名称是客户识别的一部分，保留两行安全空间，避免 Logo 墙退化成无法识别的图片堆叠。 */
.clients .client-logo > span,
.clients .client-logo > figcaption {
  display: -webkit-box;
  min-height: 38px;
  margin: 0;
  overflow: hidden;
  color: #526777;
  font-size: 14px;
  font-weight: 560;
  line-height: 1.4;
  text-align: center;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

/* --------------------------------------------------------------------------
 * 新闻公告
 * 三个栏目合并为统一时间流，类型直接显示在每条记录中；列表不轮播也不横向滚动。
 * ----------------------------------------------------------------------- */
.news {
  background: #f4f7f9;
}

.news .container {
  display: block;
}

.news .section-heading {
  margin-bottom: 36px;
  text-align: left;
}

.news-stage {
  border-top: 1px solid var(--line-strong);
  background: transparent;
}

.news-list {
  display: grid;
  column-gap: 52px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.news-item {
  display: grid;
  min-width: 0;
  min-height: 84px;
  align-items: center;
  column-gap: 13px;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 74px 142px minmax(0, 1fr) 24px;
  padding: 15px 0;
  transition: background 150ms ease;
}

.news-item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.news-item:hover {
  background: rgba(255, 255, 255, 0.66);
}

.news-type {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.news-type-product {
  background: #e5f3f9;
  color: #0d7098;
}

.news-type-company {
  background: #edf1f5;
  color: #4f6276;
}

.news-type-industry {
  background: #e7f3ef;
  color: #26725f;
}

.news-item time {
  color: #778398;
  font-size: 14.5px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.news-title {
  overflow: hidden;
  color: #2a394e;
  font-size: 16.5px;
  font-weight: 560;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-item b {
  color: var(--brand);
  font-size: 18px;
  font-weight: 500;
  text-align: right;
  transition: transform 150ms ease;
}

.news-item:hover b {
  transform: translateX(3px);
}

/*
 * 首页新闻不是分页列表的缩略版：六条近期内容使用可快速扫描的媒体卡片，
 * 同时保留原缩略图、类别、日期、标题、摘要和详情动作。
 */
.home-news-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home-news-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid #dbe6ec;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(13, 52, 76, 0.055);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.home-news-card:hover,
.home-news-card:focus-visible {
  border-color: #a9d2df;
  box-shadow: 0 21px 48px rgba(10, 63, 91, 0.12);
  outline: 0;
  transform: translateY(-3px);
}

.home-news-media {
  position: relative;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  background: #e8f0f3;
}

.home-news-media::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.24);
  content: '';
  pointer-events: none;
}

.home-news-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease;
}

.home-news-card:hover .home-news-media img,
.home-news-card:focus-visible .home-news-media img {
  transform: scale(1.035);
}

.home-news-copy {
  display: flex;
  min-height: 250px;
  flex: 1;
  flex-direction: column;
  padding: 23px 24px 22px;
}

.home-news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.home-news-meta time {
  color: #7b8998;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.home-news-copy h3 {
  display: -webkit-box;
  margin: 17px 0 0;
  overflow: hidden;
  color: #14283b;
  font-size: 20px;
  font-weight: 680;
  line-height: 1.48;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.home-news-copy p {
  display: -webkit-box;
  margin: 10px 0 0;
  overflow: hidden;
  color: #637485;
  font-size: 15px;
  line-height: 1.72;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.home-news-action {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
  color: var(--brand-deep);
  font-size: 15px;
  font-weight: 680;
}

.home-news-action b {
  font-size: 18px;
  font-weight: 500;
  transition: transform 180ms ease;
}

.home-news-card:hover .home-news-action b,
.home-news-card:focus-visible .home-news-action b {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
 * 独立内容栏目
 * 新闻与成功案例沿用首页的留白、蓝灰层次和中文字号，不引入另一套视觉语言。
 * ----------------------------------------------------------------------- */
.inner-page {
  min-height: 60vh;
  background: #f5f8fa;
}

.inner-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid #dbe5eb;
  background:
    radial-gradient(circle at 78% -20%, rgba(44, 169, 181, 0.2), transparent 40%),
    linear-gradient(125deg, #f7fbfd 0%, #edf6f9 56%, #e6f2f5 100%);
  padding: 72px 0 78px;
}

.inner-hero::after {
  position: absolute;
  top: -110px;
  right: max(4vw, 48px);
  width: 360px;
  height: 360px;
  border: 1px solid rgba(20, 137, 176, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 46px rgba(255, 255, 255, 0.2),
    0 0 0 92px rgba(255, 255, 255, 0.13);
  content: '';
  pointer-events: none;
}

.inner-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #718195;
  font-size: 15px;
}

.breadcrumb a {
  color: #52667b;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.inner-hero h1 {
  margin: 24px 0 0;
  color: var(--ink);
  font-size: clamp(42px, 4.6vw, 58px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.22;
}

.inner-content-section {
  background: #f5f8fa;
  padding-block: 68px 108px;
}

.news-stage-page {
  overflow: hidden;
  border: 1px solid #dce5eb;
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(24, 58, 79, 0.07);
  padding-inline: 28px;
}

.client-grid-page {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.client-grid-page .client-logo {
  min-height: 124px;
  border: 1px solid #dfe7ec;
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(24, 58, 79, 0.045);
  padding: 22px 18px;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.client-grid-page .client-logo:hover {
  border-color: rgba(17, 145, 190, 0.34);
  box-shadow: 0 15px 34px rgba(24, 85, 112, 0.09);
  transform: translateY(-2px);
}

.client-grid-page .client-logo img {
  max-height: 70px;
}

/* --------------------------------------------------------------------------
 * 页尾品牌行动区
 * 保留原官网横幅的横向张力与牙齿几何意象，改为与全站一致的蓝青渐变和矢量构图。
 * ----------------------------------------------------------------------- */
.brand-cta {
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, #f4f7f9 0%, #f4f7f9 52%, var(--navy) 52%, var(--navy) 100%);
  padding-top: 62px;
}

.brand-cta-panel {
  position: relative;
  display: grid;
  min-height: 190px;
  overflow: hidden;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  background:
    radial-gradient(circle at 72% 15%, rgba(100, 218, 210, 0.32), transparent 28%),
    linear-gradient(112deg, #0c4c70 0%, #087ba5 58%, #2aa8aa 100%);
  box-shadow: 0 24px 58px rgba(7, 39, 61, 0.23);
  grid-template-columns: minmax(0, 1fr) 174px;
  padding: 38px 48px;
}

.brand-cta-panel::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 36px 36px;
  content: '';
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.2) 38%, #000 100%);
  pointer-events: none;
}

.brand-cta-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.brand-cta-copy strong {
  color: var(--white);
  font-size: clamp(34px, 3vw, 43px);
  font-weight: 680;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.brand-cta-copy span {
  margin-top: 15px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 21px;
  letter-spacing: 0.04em;
}

.brand-cta-art {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30%;
  width: 58%;
  height: 100%;
  color: var(--white);
  pointer-events: none;
}

.brand-cta-particles {
  fill: currentColor;
  opacity: 0.13;
}

.brand-cta-tooth {
  fill: currentColor;
  opacity: 0.1;
}

.brand-cta-tooth path:nth-child(n + 2) {
  opacity: 0.45;
}

.brand-cta-button {
  position: relative;
  z-index: 2;
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  background: var(--white);
  box-shadow: 0 12px 26px rgba(4, 46, 69, 0.2);
  color: #0d5c7d;
  font-size: 18px;
  font-weight: 680;
  transition: background 150ms ease, color 150ms ease;
}

.brand-cta-button span {
  font-size: 20px;
  transition: transform 150ms ease;
}

.brand-cta-button:hover {
  background: #e9fbfb;
  color: #094f6f;
}

.brand-cta-button:hover span {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
 * 页脚
 * 使用深蓝品牌底色承载全部原始联系内容；品牌与体验入口已由上方行动区承担。
 * ----------------------------------------------------------------------- */
.site-footer {
  background: var(--navy);
  color: var(--white);
}

.footer-main {
  display: grid;
  align-items: center;
  justify-content: center;
  gap: 64px;
  grid-template-columns: 150px minmax(0, 780px);
  padding-block: 64px 46px;
}

.footer-qr img {
  width: 126px;
  max-height: 168px;
  object-fit: contain;
}

.footer-contact {
  display: grid;
  margin: 0;
  gap: 9px;
}

.footer-contact > div {
  display: grid;
  align-items: baseline;
  gap: 18px;
  grid-template-columns: 92px minmax(0, 1fr);
}

.footer-contact dt,
.footer-contact dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
}

.footer-contact dt {
  color: rgba(255, 255, 255, 0.5);
}

.footer-contact dd {
  color: rgba(255, 255, 255, 0.82);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 22px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.footer-legal a:hover {
  color: var(--white);
}

.friend-links {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  background: #05172c;
}

.friend-links-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-block: 17px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 14px;
}

.friend-links a:hover {
  color: var(--white);
}

.back-to-top {
  position: fixed;
  z-index: 80;
  right: 24px;
  bottom: 24px;
  visibility: hidden;
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  background: rgba(7, 75, 122, 0.92);
  box-shadow: 0 12px 30px rgba(7, 29, 55, 0.2);
  color: var(--white);
  font-size: 0;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  backdrop-filter: blur(8px);
}

.back-to-top::before {
  content: '↑';
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
}

.back-to-top.is-visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
 * 中等桌面与平板
 * ----------------------------------------------------------------------- */
@media (max-width: 1380px) {
  .wide-container {
    width: min(calc(100% - 48px), var(--wide));
  }

  .brand-mark,
  .footer-brand {
    width: 208px;
    height: 53px;
    flex-basis: 208px;
  }

  .nav-link {
    min-width: 64px;
    padding-inline: 10px;
    font-size: 16px;
  }

  .has-submenu > .nav-link {
    padding-right: 23px;
  }

  .has-submenu > .nav-link::after {
    right: 10px;
  }

  .header-actions {
    gap: 11px;
    margin-left: 13px;
  }

  .choice-copy {
    padding-inline: 46px;
  }

  .news-item {
    column-gap: 10px;
    grid-template-columns: 70px 126px minmax(0, 1fr) 24px;
  }

  .client-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 1120px) {
  :root {
    --header-height: 78px;
  }

  .container,
  .wide-container {
    width: min(calc(100% - 40px), var(--container));
  }

  .menu-toggle {
    display: block;
    margin-left: 14px;
  }

  .header-actions {
    margin-left: auto;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    visibility: hidden;
    overflow-y: auto;
    margin: 0;
    background: var(--white);
    opacity: 0;
    padding: 24px 20px 44px;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  }

  .main-nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-list {
    display: grid;
    width: min(100%, 760px);
    height: auto;
    margin-inline: auto;
    gap: 0 28px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-list > li {
    display: block;
    border-bottom: 1px solid var(--line);
  }

  .nav-link {
    min-height: 58px;
    justify-content: flex-start;
    padding-inline: 4px;
    font-size: 17px;
  }

  .nav-link::before,
  .has-submenu > .nav-link::after {
    display: none;
  }

  .submenu,
  .submenu-right {
    position: static;
    visibility: visible;
    display: grid;
    width: 100%;
    border: 0;
    background: #f5f8fb;
    box-shadow: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    opacity: 1;
    padding: 6px;
    transform: none;
  }

  .has-submenu:hover > .submenu,
  .has-submenu:focus-within > .submenu,
  .has-submenu:hover > .submenu-right,
  .has-submenu:focus-within > .submenu-right {
    transform: none;
  }

  .submenu a {
    padding: 10px 12px;
  }

  .fact-grid {
    padding-top: 18px;
    padding-bottom: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .fact:nth-child(3) {
    border-right: 0;
  }

  .fact:nth-child(-n + 3) {
    border-bottom: 1px solid #e6ebf1;
  }

  .fact {
    min-height: 206px;
  }

  .choice-panel {
    grid-template-columns: minmax(0, 52%) minmax(0, 48%);
  }

  .choice-copy {
    padding: 46px 38px;
  }

  .function-grid {
    display: flex;
  }

  .function-item {
    flex-basis: 25%;
  }

  .function-item:nth-child(6n) {
    border-right: 1px solid #e6ebf1;
  }

  .function-item:nth-child(4n) {
    border-right: 0;
  }

  .function-item:last-child {
    border-right: 0;
  }

  .client-grid {
    /* 27 项仍完整呈现；中等宽度维持清晰 Logo 尺寸，不依赖横向滚动。 */
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .home-news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-list {
    grid-template-columns: 1fr;
  }

  .news-item:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .news-item:last-child {
    border-bottom: 0;
  }
}

/* --------------------------------------------------------------------------
 * 窄屏与手机
 * 首屏图片移至下半部分，使设备完整可见，文字不压在产品界面上。
 * ----------------------------------------------------------------------- */
@media (max-width: 780px) {
  :root {
    --header-height: 70px;
  }

  body {
    font-size: 16px;
  }

  .container,
  .wide-container {
    width: min(calc(100% - 30px), var(--container));
  }

  .section {
    padding-block: 64px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .section-heading h2 {
    font-size: 30px;
  }

  .section-heading p {
    margin-top: 10px;
    font-size: 16px;
  }

  .inner-hero {
    padding: 50px 0 54px;
  }

  .inner-hero::after {
    top: -130px;
    right: -120px;
    width: 300px;
    height: 300px;
  }

  .inner-hero h1 {
    margin-top: 18px;
    font-size: 36px;
  }

  .inner-content-section {
    padding-block: 46px 72px;
  }

  .news-stage-page {
    border-radius: 14px;
    padding-inline: 18px;
  }

  .client-grid-page {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .brand-mark {
    width: 184px;
    height: 47px;
    flex-basis: 184px;
  }

  .header-actions {
    display: none;
  }

  .menu-toggle {
    margin-left: auto;
  }

  .mobile-account-actions {
    display: flex !important;
    align-items: center;
    gap: 12px;
    border-bottom: 0 !important;
    padding: 22px 4px 8px;
  }

  .mobile-account-actions .account-link {
    width: auto;
    min-height: 46px;
    flex: 1;
    font-size: 16px;
  }

  .mobile-consult-action {
    display: block !important;
    border-bottom: 0 !important;
    padding: 0 4px 18px;
  }

  .mobile-consult-action button {
    width: 100%;
    min-height: 46px;
    border: 1px solid #b9dbe8;
    border-radius: 7px;
    background: #eef8fb;
    color: var(--brand-deep);
    cursor: pointer;
    font-weight: 650;
  }

  .nav-list {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    background: linear-gradient(180deg, #ffffff 0%, #ffffff 57%, #f3f7fa 100%);
  }

  .hero-inner {
    display: flex;
    min-height: 0;
    align-items: center;
    flex-direction: column;
    gap: 38px;
    padding-top: 48px;
    padding-bottom: 54px;
    text-align: center;
  }

  .hero-copy {
    width: 100%;
    padding: 0;
  }

  .hero-copy h1 {
    font-size: clamp(42px, 11.5vw, 52px);
  }

  .hero-copy p {
    margin-top: 16px;
    font-size: clamp(21px, 5.6vw, 26px);
  }

  .hero-actions {
    justify-content: center;
    margin-top: 30px;
  }

  .hero-product {
    width: min(100%, 620px);
    justify-content: center;
  }

  .hero-product img {
    width: 100%;
    transform: none;
  }

  .button {
    min-width: 148px;
    min-height: 50px;
    padding-inline: 20px;
    font-size: 16px;
  }

  .facts {
    margin-top: 0;
    background: var(--white);
  }

  .fact-grid {
    width: min(calc(100% - 30px), var(--container));
    min-height: 0;
    margin-top: -24px;
    border-radius: 12px;
    box-shadow: 0 16px 36px rgba(20, 45, 64, 0.08);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 12px 10px;
  }

  .fact,
  .fact:nth-child(3) {
    min-height: 198px;
    border-right: 1px solid #e6ebf1;
    border-bottom: 1px solid #e6ebf1;
    padding-inline: 18px;
  }

  .fact-award {
    width: 108px;
    height: 116px;
    flex-basis: 116px;
  }

  .fact-icon {
    width: 43px;
    height: 43px;
    flex-basis: 43px;
  }

  .fact-icon svg {
    width: 39px;
    height: 39px;
  }

  .fact-label {
    margin-top: 11px;
    padding-top: 9px;
    font-size: 14px;
  }

  .fact:nth-child(2n) {
    border-right: 0;
  }

  .fact:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .fact-value {
    margin-top: 13px;
    font-size: 21px;
  }

  .tab-bar {
    border: 1px solid var(--line);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tab-bar button {
    min-height: 54px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .tab-bar button:nth-child(2n) {
    border-right: 0;
  }

  .tab-bar button:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }

  .tab-bar button::after {
    right: 28%;
    left: 28%;
  }

  .choice-stage {
    border-radius: 12px;
  }

  .choice-panel.is-active {
    display: flex;
    min-height: 0;
    flex-direction: column;
  }

  .choice-copy {
    order: 1;
    padding: 38px 28px 26px;
  }

  .choice-visual {
    width: 100%;
    min-height: 330px;
    order: 2;
    padding: 20px 20px 32px;
  }

  .choice-visual img {
    max-height: 310px;
  }

  .choice-copy h3 {
    margin-top: 17px;
    font-size: 30px;
  }

  .choice-copy p {
    margin-top: 18px;
    font-size: 17px;
  }

  .functions .container {
    gap: 20px;
    grid-template-columns: 1fr;
  }

  .function-role-nav {
    grid-column: 1;
    grid-row: auto;
  }

  .function-tabs {
    display: grid;
    border: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .function-tabs button {
    min-height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 9px 12px;
    text-align: center;
  }

  .function-tabs button::after {
    display: none;
  }

  .function-stage {
    grid-column: 1;
    grid-row: auto;
  }

  .function-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .function-item {
    min-height: 132px;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 20px 12px;
    text-align: center;
  }

  .function-item img {
    width: 52px;
    height: 52px;
  }

  .function-item span {
    font-size: 16px;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .testimonial {
    border-right: 0;
    border-bottom: 1px solid #dfe5eb;
    padding: 30px 26px 32px;
  }

  .testimonial:last-child {
    border-bottom: 0;
  }

  .testimonial blockquote {
    margin-top: 24px;
  }

  .credential-stage {
    gap: 22px 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 14px;
  }

  .credential-item {
    min-height: 190px;
  }

  .credential-item img {
    max-height: 190px;
  }

  .client-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .clients .client-logo {
    min-height: 132px;
    padding: 19px 12px 15px;
  }

  .clients .client-logo img {
    height: 54px;
    max-height: 54px;
  }

  .home-news-grid {
    grid-template-columns: 1fr;
  }

  .home-news-card {
    display: grid;
    grid-template-columns: minmax(190px, 38%) minmax(0, 1fr);
  }

  .home-news-media {
    min-height: 236px;
    aspect-ratio: auto;
  }

  .home-news-copy {
    min-height: 236px;
    padding: 22px;
  }

  .news-item {
    gap: 8px 12px;
    grid-template-columns: 76px minmax(0, 1fr) 26px;
    padding: 16px 10px;
  }

  .news-item time {
    grid-column: 2;
  }

  .news-title {
    grid-column: 1 / 3;
  }

  .news-item b {
    grid-column: 3;
    grid-row: 1 / 3;
  }

  .brand-cta {
    padding-top: 46px;
  }

  .brand-cta-panel {
    min-height: 260px;
    grid-template-columns: 1fr;
    padding: 34px 30px;
  }

  .brand-cta-art {
    left: 32%;
    width: 74%;
  }

  .brand-cta-button {
    width: 164px;
    margin-top: 28px;
  }

  .footer-main {
    gap: 28px;
    grid-template-columns: 128px minmax(0, 1fr);
  }

  .footer-contact {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  :root {
    --header-height: 66px;
  }

  .container,
  .wide-container {
    width: min(calc(100% - 24px), var(--container));
  }

  .brand-mark {
    width: 170px;
    height: 43px;
    flex-basis: 170px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    margin-left: auto;
  }

  .hero {
    min-height: 0;
  }

  .hero-inner {
    min-height: 0;
    gap: 30px;
    padding-top: 40px;
    padding-bottom: 46px;
  }

  .hero-copy h1 {
    font-size: clamp(38px, 12vw, 44px);
  }

  .hero-copy p {
    font-size: 21px;
  }

  .hero-actions {
    display: grid;
    width: 100%;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .button {
    min-width: 0;
    min-height: 48px;
    padding-inline: 12px;
    font-size: 15px;
  }

  .fact-grid {
    width: min(calc(100% - 20px), var(--container));
    padding-inline: 6px;
  }

  .fact {
    min-height: 178px;
    padding-inline: 6px;
  }

  .fact-award {
    width: 94px;
    height: 104px;
    flex-basis: 104px;
  }

  .fact-icon {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .fact-icon svg {
    width: 36px;
    height: 36px;
  }

  .fact-label {
    margin-top: 9px;
    padding-top: 8px;
    font-size: 13px;
  }

  .fact-value {
    margin-top: 12px;
    font-size: 17px;
  }

  .tab-bar {
    margin-bottom: 30px;
  }

  .function-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .function-item:nth-child(3n) {
    border-right: 1px solid #e6ebf1;
  }

  .function-item:nth-child(2n) {
    border-right: 0;
  }

  .testimonial {
    display: flex;
    padding: 28px 22px 30px;
  }

  .testimonial-author img {
    width: 62px;
    height: 62px;
    flex-basis: 62px;
  }

  .testimonial blockquote {
    font-size: 16px;
    line-height: 1.85;
  }

  .client-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .breadcrumb {
    font-size: 14px;
  }

  .inner-hero h1 {
    font-size: 31px;
  }

  .inner-content-section {
    padding-block: 36px 58px;
  }

  .news-stage-page {
    padding-inline: 16px;
  }

  .client-grid-page {
    gap: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .client-grid-page .client-logo {
    min-height: 92px;
    border-radius: 12px;
    padding: 14px 10px;
  }

  .client-logo {
    min-height: 82px;
    padding: 10px 8px;
  }

  .client-logo img {
    max-height: 46px;
  }

  .credential-stage {
    gap: 16px 12px;
    padding: 0;
  }

  .credential-item {
    min-height: 154px;
  }

  .credential-item img {
    max-height: 154px;
  }

  .news-item {
    grid-template-columns: 72px minmax(0, 1fr) 22px;
    padding-inline: 0;
  }

  .news-title {
    font-size: 16px;
  }

  .brand-cta-copy strong {
    font-size: 32px;
  }

  .brand-cta-copy span {
    font-size: 18px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-qr {
    display: none;
  }

  .footer-legal,
  .friend-links-inner {
    flex-direction: column;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
    width: 44px;
    height: 44px;
  }
}

/* 帮助中心保留原官网“左侧完整目录、右侧当前内容”的核心能力。 */
.help-workspace-page .help-content-hero,
.help-workspace-page .help-content-hero .content-hero-grid { min-height: 260px; }
.help-workspace-page .help-content-hero .content-hero-grid { padding-block: 38px; }
.help-workspace-page .help-content-hero .breadcrumb { margin-bottom: 24px; }
.help-workspace-page .help-content-hero h1 { font-size: clamp(44px,4.5vw,56px); }
.help-workspace-page .help-content-section { padding-top: 42px; }
.help-workspace-page .help-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.help-workspace-page .help-filter a,.help-workspace-page .help-filter button { display: inline-flex; min-height: 44px; align-items: center; padding: 8px 16px; border: 1px solid #d8e4eb; border-radius: 999px; background: #fff; color: #4d6373; font:inherit; font-size: 14px; font-weight: 680; cursor:pointer; }
.help-workspace-page .help-filter a:hover,.help-workspace-page .help-filter a:focus-visible,.help-workspace-page .help-filter button:hover,.help-workspace-page .help-filter button:focus-visible { border-color: #4e9cad; color: #0b6278; }
.help-workspace-page .help-filter a.is-current,.help-workspace-page .help-filter button.is-current { border-color: #0a7890; background: #0a7890; color: #fff; }
.public-help-workspace { display: grid; min-width: 0; align-items: start; gap: 28px; grid-template-columns: minmax(280px, 340px) minmax(0, 1fr); }
.public-help-sidebar { position: sticky; top: 92px; overflow: hidden; max-height: calc(100vh - 116px); border: 1px solid #d8e3e9; border-radius: 16px; background: #fff; box-shadow: 0 14px 38px rgba(15,47,69,.06); }
.public-help-sidebar > header { display: flex; align-items: center; justify-content: space-between; gap: 14px; border-bottom: 1px solid #e5ecef; padding: 18px 20px 15px; }
.public-help-sidebar > header span,.public-help-sidebar > header strong { display: block; }
.public-help-sidebar > header span { color: #1a7185; font-size: 12px; font-weight: 760; letter-spacing: .08em; }
.public-help-sidebar > header strong { margin-top: 4px; color: #17364a; font-size: 17px; }
.public-help-sidebar > header button { display: none; min-height: 44px; border: 1px solid #cbdce3; border-radius: 10px; background: #fff; color: #245d70; font-weight: 700; }
.public-help-search { display: block; padding: 14px 16px; border-bottom: 1px solid #e8eef1; }
.public-help-search > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.public-help-search input { width: 100%; height: 42px; border: 1px solid #d4e0e6; border-radius: 10px; padding: 0 12px; background: #f8fafb; color: #233f51; font: inherit; }
.public-help-search input:focus { border-color: #2d8da0; outline: 3px solid rgba(45,141,160,.15); }
.public-help-tree { overflow: auto; max-height: calc(100vh - 270px); padding: 12px 10px 18px; scrollbar-color: #bdd0d8 transparent; scrollbar-width: thin; }
.public-help-tree ul { margin: 0; padding: 0; list-style: none; }
.public-help-tree ul ul { margin-left: 12px; border-left: 1px solid #dce7eb; padding-left: 10px; }
.public-help-tree-node { min-width: 0; margin: 2px 0; }
.public-help-tree-node details { min-width: 0; }
.public-help-tree-node.is-leaf { display: grid; min-height: 44px; min-width: 0; align-items: center; border-radius: 10px; grid-template-columns: 24px minmax(0,1fr); }
.public-help-tree-leaf-dot { width: 7px; height: 7px; margin-left: 8px; border: 1px solid #7c98a4; border-radius: 50%; background: #fff; box-sizing: border-box; }
.public-help-tree-node summary { display: grid; min-height: 44px; min-width: 0; align-items: center; border-radius: 10px; grid-template-columns: 24px minmax(0,1fr); list-style: none; cursor: pointer; }
.public-help-tree-node summary::-webkit-details-marker { display: none; }
.public-help-tree-toggle { position: relative; display: block; width: 24px; height: 44px; }
.public-help-tree-toggle::before { position: absolute; top: 17px; left: 7px; width: 7px; height: 7px; border-right: 2px solid #708b97; border-bottom: 2px solid #708b97; content: ''; transform: rotate(-45deg); transition: transform 140ms ease; }
.public-help-tree-node details[open] > summary .public-help-tree-toggle::before { transform: rotate(45deg); }
.public-help-tree-node summary > a,.public-help-tree-document > a,.public-help-tree-node > button,.public-help-tree-node summary > button { display: block; overflow: hidden; width: 100%; min-height: 44px; border: 0; border-radius: 0 10px 10px 0; padding: 10px 9px 10px 3px; background: transparent; color: #425968; font: inherit; font-size: 15px; font-weight: 560; line-height: 1.5; text-align: left; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; }
.public-help-tree > ul > .public-help-tree-node > details > summary > button,.public-help-tree > ul > .public-help-tree-node.is-leaf > button { color: #294c5d; font-weight: 720; }
.public-help-tree-node > details > summary:hover,.public-help-tree-node.is-leaf:hover { background: #f0f7f8; }
.public-help-tree-node summary > a:hover,.public-help-tree-document > a:hover,.public-help-tree-node > button:hover,.public-help-tree-node summary > button:hover { color: #0c687b; }
.public-help-tree-node > details > summary:focus-visible { outline: 2px solid #25889c; outline-offset: -2px; }
.public-help-tree-node summary > a:focus-visible,.public-help-tree-document > a:focus-visible,.public-help-tree-node > button:focus-visible,.public-help-tree-node summary > button:focus-visible { outline: 2px solid #25889c; outline-offset: -2px; }
.public-help-tree-node.is-current-node > details > summary,.public-help-tree-node.is-current-node.is-leaf { background: #e2f1f4; box-shadow: inset 0 0 0 1px #c6e2e8; }
.public-help-tree-node summary > a.is-current,.public-help-tree-document > a.is-current,.public-help-tree-node > button.is-current,.public-help-tree-node summary > button.is-current { color: #075b70; font-weight: 760; }
.public-help-tree-node.is-current-node .public-help-tree-leaf-dot { border-color: #08768c; background: #08768c; box-shadow: 0 0 0 3px rgba(8,118,140,.12); }
.public-help-tree-node.is-current-node > details > summary .public-help-tree-toggle::before { border-color: #08768c; }
.public-help-tree-document { position: relative; padding-left: 22px; }
.public-help-tree-document::before { position: absolute; top: 17px; left: 10px; width: 5px; height: 5px; border-radius: 50%; background: #8ca5af; content: ''; }
.public-help-no-results { margin: 12px; border-radius: 10px; padding: 18px 12px; background: #f6f8f9; color: #6b7e89; text-align: center; }
.public-help-content { min-width: 0; min-height: 560px; border: 1px solid #dce5e9; border-radius: 18px; background: #fff; padding: clamp(24px,4vw,54px); box-shadow: 0 18px 46px rgba(13,47,65,.05); }
.public-help-content:focus { outline: none; }
.public-help-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; color: #71838d; font-size: 13px; }
.public-help-breadcrumb a { color: #247487; }
.public-help-article-heading,.public-help-directory-heading { border-bottom: 1px solid #e3eaed; padding-bottom: 28px; }
.public-help-article-heading > span,.public-help-directory-heading > span,.public-help-missing > span { color: #14788d; font-size: 13px; font-weight: 760; letter-spacing: .06em; }
.public-help-article-heading h1,.public-help-article-heading h2,.public-help-directory-heading h2,.public-help-missing h2 { margin: 9px 0 0; color: #122f44; font-size: clamp(26px,3vw,38px); line-height: 1.35; }
.public-help-article-heading p,.public-help-directory-heading p,.public-help-missing p { margin: 12px 0 0; color: #657987; font-size: 16px; line-height: 1.8; }
.public-help-article-body { min-width: 0; margin-top: 32px; color: #304758; font-size: 17px; line-height: 1.85; overflow-wrap: anywhere; }
.public-help-article-body > :first-child { margin-top: 0 !important; }
.public-help-article-body > :last-child { margin-bottom: 0 !important; }
.public-help-article-body :where(div,p,span,b,strong,em,i,font,li,td,th) { font-size: inherit !important; line-height: inherit !important; }
.public-help-article-body p { margin: 0 0 1em !important; }
.public-help-article-body p:empty,.public-help-article-body p:has(> br:only-child) { display: none; }
.public-help-article-body p + br,.public-help-article-body br + br { display: none; }
.public-help-article-body b,.public-help-article-body strong { color: #243f52; font-weight: 650; }
.public-help-article-body h1,.public-help-article-body h2,.public-help-article-body h3,.public-help-article-body h4 { margin: 1.6em 0 .65em; color: #17384d; line-height: 1.45; }
.public-help-article-body h1 { font-size: 28px !important; }
.public-help-article-body h2 { border-left: 3px solid #16869a; padding-left: 13px; font-size: 24px !important; }
.public-help-article-body h3 { font-size: 21px !important; }
.public-help-article-body h4 { font-size: 18px !important; }
.public-help-article-body a { color: #076f87; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.public-help-article-body a:hover,.public-help-article-body a:focus-visible { color: #034f64; }
.public-help-article-body ul,.public-help-article-body ol { margin: 1em 0 1.2em; padding-left: 1.6em; }
.public-help-article-body li + li { margin-top: .45em; }
.public-help-article-body blockquote { margin: 1.4em 0; border-left: 3px solid #8dbfc9; padding: 12px 18px; background: #f4f9fa; color: #4d6574; }
.public-help-article-body img,.public-help-article-body video { display: block; width: auto; max-width: 100%; height: auto; margin: 24px auto; }
.public-help-article-body table { display: block; width: max-content; max-width: 100%; margin: 24px 0; overflow-x: auto; border-collapse: collapse; }
.public-help-article-body th,.public-help-article-body td { min-width: 96px; border: 1px solid #d8e3e8; padding: 10px 12px; text-align: left; vertical-align: top; }
.public-help-article-body th { background: #f0f6f8; }
.public-help-article-body pre { max-width: 100%; overflow: auto; border-radius: 10px; padding: 16px; background: #102b3d; color: #eff8fa; font-size: 15px; line-height: 1.7; }
.public-help-article-body code { overflow-wrap: anywhere; font-size: .92em; }
.public-help-child-grid { display: grid; gap: 12px; margin-top: 28px; grid-template-columns: repeat(2,minmax(0,1fr)); }
.public-help-child-grid a,.public-help-child-grid button { display: grid; min-width: 0; gap: 7px; border: 1px solid #dce6ea; border-radius: 13px; padding: 18px; background: #fbfcfd; font:inherit; text-align:left; cursor:pointer; }
.public-help-child-grid a:hover,.public-help-child-grid a:focus-visible,.public-help-child-grid button:hover,.public-help-child-grid button:focus-visible { border-color: #6eabb8; background: #f3f9fa; }
.public-help-child-grid span { color: #278095; font-size: 12px; font-weight: 720; }
.public-help-child-grid strong { overflow: hidden; color: #263f50; font-size: 16px; text-overflow: ellipsis; white-space: nowrap; }
.public-help-child-grid b { color: #63808e; font-size: 13px; }
.public-help-missing,.public-help-empty { border: 1px dashed #cad9df; border-radius: 14px; padding: clamp(24px,4vw,42px); background: #f8fafb; }
.public-help-missing code { overflow-wrap: anywhere; color: #315f70; font-size: 13px; }
.public-help-empty { display: grid; gap: 7px; margin-top: 28px; color: #607580; text-align: center; }
.help-detail-content-section { padding-top: 48px; }

@media (max-width: 900px) {
  .public-help-workspace { grid-template-columns: 1fr; }
  .public-help-sidebar { position: static; max-height: none; }
  .public-help-sidebar > header button { display: inline-flex; align-items: center; padding: 8px 12px; }
  .public-help-search,.public-help-tree { display: none; }
  .public-help-sidebar:has(.public-help-tree.is-mobile-open) .public-help-search,.public-help-tree.is-mobile-open { display: block; }
  .public-help-tree { max-height: 58vh; }
  .public-help-content { min-height: 420px; }
}

@media (max-width: 560px) {
  .help-workspace-page .help-content-hero,
  .help-workspace-page .help-content-hero .content-hero-grid { min-height: auto; }
  .help-workspace-page .help-content-hero .content-hero-grid { padding-block: 30px 34px; }
  .help-workspace-page .help-content-hero .breadcrumb { margin-bottom: 20px; }
  .help-workspace-page .help-content-hero h1 { font-size: 40px; }
  .help-workspace-page .help-content-section,.help-detail-content-section { padding-block: 28px 84px; }
  .help-workspace-page .help-filter { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .help-workspace-page .help-filter a,.help-workspace-page .help-filter button { justify-content: center; padding-inline: 8px; }
  .public-help-workspace { gap: 16px; }
  .public-help-sidebar,.public-help-content { border-radius: 13px; }
  .public-help-content { padding: 22px 18px 34px; }
  .public-help-article-heading,.public-help-directory-heading { padding-bottom: 22px; }
  .public-help-article-body { margin-top: 24px; font-size: 17px; line-height: 1.85; }
  .public-help-article-body img,.public-help-article-body video { margin-block: 20px; }
  .public-help-child-grid { grid-template-columns: 1fr; }
  .public-help-tree ul ul { margin-left: 8px; }
}

/* 用户在系统中关闭动画时，页面取消所有过渡，避免不必要的视觉晃动。 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
 * 一次性在线咨询
 * 入口沿用首页蓝色体系，对话框只包含消息、留电和明确的提交状态，不模拟复杂客服工作台。
 * ----------------------------------------------------------------------- */
.help-tree-entries { align-items: stretch; }
.help-tree-entry.depth-1, .help-tree-folder.depth-1 { margin-left: 18px; }
.help-tree-entry.depth-2, .help-tree-folder.depth-2 { margin-left: 36px; }
.help-tree-entry.depth-3, .help-tree-folder.depth-3,
.help-tree-entry.depth-4, .help-tree-folder.depth-4 { margin-left: 54px; }
.help-tree-folder { min-height: 96px; padding: 20px 22px; border: 1px solid #dce8f5; border-radius: 18px; background: #f6faff; display: flex; flex-direction: column; justify-content: center; gap: 5px; }
.help-tree-folder > span { color: #2177d3; font-size: 13px; font-weight: 700; }
.help-tree-folder > strong { color: #122b49; font-size: 18px; }
.help-tree-folder > small { color: #60758b; font-size: 14px; }

.consult-launcher {
  position: static;
  z-index: auto;
  display: flex;
  width: 100%;
  min-height: 68px;
  justify-content: center;
  align-items: center;
  gap: 11px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(105deg, #073d61 0%, #075f88 52%, #087fa4 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.12);
  color: #fff;
  cursor: pointer;
  padding: 0 24px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: filter 160ms ease;
}

.consult-launcher:hover {
  background: linear-gradient(105deg, #073d61 0%, #075f88 52%, #087fa4 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.12);
  filter: brightness(1.08);
  transform: none;
}

/* 页面已在页眉、页尾和各业务转化区提供清晰返回路径，不再用固定按钮覆盖正文。 */
.back-to-top {
  display: none !important;
}

.consult-launcher svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}

.consult-dialog {
  width: min(430px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100vh - 32px);
  overflow: auto;
  border: 0;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 32px 90px rgba(7, 29, 55, 0.3);
  color: var(--ink);
  padding: 0;
}

.consult-dialog::backdrop {
  background: rgba(6, 22, 40, 0.48);
  backdrop-filter: blur(4px);
}

.consult-dialog-shell {
  overflow: hidden;
  border: 1px solid rgba(209, 220, 229, 0.88);
  border-radius: inherit;
}

.consult-dialog-header {
  display: flex;
  min-height: 98px;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(120deg, #0b2948, #075f9b);
  color: #fff;
  padding: 22px 24px;
}

.consult-dialog-kicker {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.consult-dialog-header h2 {
  margin: 4px 0 0;
  font-size: 24px;
  font-weight: 680;
  line-height: 1.25;
}

.consult-close {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  font-size: 25px;
  font-weight: 300;
  line-height: 1;
}

.consult-close:hover {
  background: rgba(255, 255, 255, 0.16);
}

.consult-welcome {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-bottom: 1px solid #e8eef3;
  background: #f5f8fb;
  padding: 20px 24px;
}

.consult-avatar {
  display: inline-flex;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e0f2fa;
  color: #075f9b;
  font-size: 15px;
  font-weight: 700;
}

.consult-welcome p {
  margin: 0;
  color: #44556a;
  font-size: 15px;
  line-height: 1.7;
}

.consult-form {
  position: relative;
  padding: 22px 24px 24px;
}

.consult-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.consult-field {
  display: block;
  margin-bottom: 17px;
}

.consult-field > span {
  display: block;
  margin-bottom: 7px;
  color: #23364a;
  font-size: 15px;
  font-weight: 620;
}

.consult-field small {
  margin-left: 4px;
  color: #7b8998;
  font-size: 12px;
  font-weight: 450;
}

.consult-field input,
.consult-field textarea {
  width: 100%;
  border: 1px solid #cfd9e2;
  border-radius: 8px;
  outline: 0;
  background: #fff;
  color: #203246;
  padding: 11px 12px;
  font: inherit;
  font-size: 15px;
  line-height: 1.55;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.consult-field textarea {
  min-height: 108px;
  resize: vertical;
}

.consult-field input:focus,
.consult-field textarea:focus {
  border-color: #0a7fc3;
  box-shadow: 0 0 0 3px rgba(10, 127, 195, 0.12);
}

.consult-field input:disabled,
.consult-field textarea:disabled {
  background: #f3f6f8;
  color: #6a7785;
}

.consult-privacy {
  margin: -2px 0 0;
  color: #798695;
  font-size: 12px;
  line-height: 1.6;
}

.consult-status {
  min-height: 24px;
  margin: 10px 0 8px;
  font-size: 14px;
  line-height: 1.55;
}

.consult-status.is-error {
  color: #b42318;
}

.consult-status.is-success {
  color: #087a5b;
}

.consult-submit {
  display: inline-flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #0a7fc3;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  font-weight: 650;
}

.consult-submit:hover:not(:disabled) {
  background: #075f9b;
}

.consult-submit:disabled {
  cursor: default;
  opacity: 0.72;
}

@media (max-width: 560px) {
  .consult-launcher {
    right: 14px;
    bottom: 70px;
    min-height: 44px;
    padding: 0 14px;
  }

  .consult-launcher span {
    display: none;
  }

  .consult-dialog-header,
  .consult-welcome,
  .consult-form {
    padding-right: 20px;
    padding-left: 20px;
  }
}

/* --------------------------------------------------------------------------
 * 官网实时咨询
 * 只保留实时文字、可选电话和连接状态；没有附件、截图、录屏、远程控制与中心端历史入口。
 * ----------------------------------------------------------------------- */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  clip-path: inset(50%) !important;
}

.consult-launcher-icon {
  position: relative;
  display: inline-flex;
}

.consult-launcher-icon::after {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  border: 2px solid #0a7fc3;
  border-radius: 50%;
  background: #31c48d;
  content: '';
}

.consult-dialog {
  width: min(448px, calc(100vw - 28px));
  max-height: calc(100dvh - 24px);
  overflow: hidden;
  border-radius: 16px;
}

.consult-dialog-shell {
  display: flex;
  height: min(680px, calc(100dvh - 24px));
  min-height: 520px;
  flex-direction: column;
  overflow: hidden;
}

.consult-dialog-header {
  min-height: 82px;
  justify-content: flex-start;
  gap: 12px;
  padding: 16px 18px;
}

.consult-brand-avatar {
  display: inline-flex;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 18px;
  font-weight: 720;
}

.consult-dialog-heading {
  min-width: 0;
  flex: 1;
}

.consult-dialog-header h2 {
  margin: 0;
  overflow: hidden;
  font-size: 19px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.consult-connection {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.3;
}

.consult-connection > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ffd166;
  box-shadow: 0 0 0 3px rgba(255, 209, 102, 0.14);
}

[data-consult-state='online'] .consult-connection > span {
  background: #45d39f;
  box-shadow: 0 0 0 3px rgba(69, 211, 159, 0.15);
}

[data-consult-state='offline'] .consult-connection > span,
[data-consult-state='error'] .consult-connection > span {
  background: #ff8a80;
  box-shadow: 0 0 0 3px rgba(255, 138, 128, 0.14);
}

.consult-close {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  margin-left: auto;
}

.consult-toolbar {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid #e5ebf0;
  background: #fff;
  padding: 9px 18px;
  color: #6b7888;
  font-size: 12px;
}

.consult-toolbar button {
  background: transparent;
  color: #526477;
  cursor: pointer;
  font-size: 12px;
}

.consult-toolbar button:hover {
  color: var(--brand-deep);
}

.consult-messages {
  flex: 1;
  min-height: 180px;
  overflow-x: hidden;
  overflow-y: auto;
  background:
    linear-gradient(rgba(247, 250, 252, 0.94), rgba(247, 250, 252, 0.94)),
    radial-gradient(circle at 12px 12px, #dbe6ee 1px, transparent 1px);
  background-size: auto, 24px 24px;
  padding: 20px 18px 16px;
  overscroll-behavior: contain;
}

.consult-message {
  display: flex;
  max-width: 86%;
  align-items: flex-end;
  gap: 9px;
  margin-top: 16px;
}

.consult-message:first-child {
  margin-top: 0;
}

.consult-message.is-visitor {
  margin-left: auto;
  flex-direction: row-reverse;
}

.consult-message-avatar {
  display: inline-flex;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: #dfeff7;
  color: #0a6f9f;
  font-size: 12px;
  font-weight: 700;
}

.consult-message.is-visitor .consult-message-avatar {
  background: #d9ebf7;
  color: #075f9b;
}

.consult-message > div {
  min-width: 0;
}

.consult-message p {
  margin: 0;
  border: 1px solid #e0e7ed;
  border-radius: 12px 12px 12px 3px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(24, 50, 73, 0.05);
  color: #27394d;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.consult-message.is-visitor p {
  border-color: #0a7fc3;
  border-radius: 12px 12px 3px 12px;
  background: #0a7fc3;
  color: #fff;
}

.consult-message time {
  display: block;
  margin-top: 4px;
  color: #8a96a3;
  font-size: 10px;
  line-height: 1.2;
}

.consult-message.is-visitor time {
  text-align: right;
}

.consult-phone-panel {
  flex: 0 0 auto;
  border-top: 1px solid #e4ebf0;
  background: #fbfcfd;
}

.consult-phone-panel summary {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: #4a5d70;
  padding: 9px 18px;
  font-size: 13px;
  list-style: none;
}

.consult-phone-panel summary::-webkit-details-marker {
  display: none;
}

.consult-phone-panel[open] summary span {
  transform: rotate(45deg);
}

.consult-phone-form {
  border-top: 1px solid #e8edf1;
  padding: 13px 18px 15px;
}

.consult-phone-form label {
  display: block;
  margin-bottom: 7px;
  color: #536476;
  font-size: 12px;
  font-weight: 620;
}

.consult-phone-form > div {
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) 86px;
}

.consult-phone-form input {
  min-width: 0;
  height: 38px;
  border: 1px solid #ccd7e0;
  border-radius: 7px;
  outline: 0;
  padding: 0 10px;
  color: #24384c;
  font: inherit;
  font-size: 13px;
}

.consult-phone-form input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(10, 127, 195, 0.1);
}

.consult-phone-form button {
  border-radius: 7px;
  background: #e6f2f8;
  color: #075f9b;
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
}

.consult-phone-status {
  min-height: 0;
  margin: 6px 0 0;
  color: #6c7987;
  font-size: 11px;
}

.consult-composer {
  flex: 0 0 auto;
  border-top: 1px solid #dfe7ed;
  background: #fff;
  padding: 12px 14px 10px;
}

.consult-composer textarea {
  display: block;
  width: 100%;
  min-height: 54px;
  max-height: 116px;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  color: #23364a;
  padding: 2px 4px 6px;
  font: inherit;
  font-size: 14px;
  line-height: 1.55;
}

.consult-composer textarea::placeholder {
  color: #98a3ad;
}

.consult-composer-footer {
  display: grid;
  min-height: 34px;
  align-items: center;
  gap: 8px;
  grid-template-columns: auto minmax(0, 1fr) 72px;
}

.consult-composer-footer > span {
  color: #9aa5b0;
  font-size: 10px;
}

.consult-status {
  min-height: 0;
  margin: 0;
  overflow: hidden;
  font-size: 11px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.consult-submit {
  width: 72px;
  min-height: 34px;
  border-radius: 7px;
  font-size: 13px;
}

.consult-privacy {
  flex: 0 0 auto;
  margin: 0;
  border-top: 1px solid #edf1f4;
  background: #fff;
  color: #8994a0;
  padding: 7px 14px 9px;
  font-size: 10px;
  line-height: 1.45;
  text-align: center;
}

@media (max-width: 560px) {
  .consult-launcher {
    right: 12px;
    bottom: 68px;
  }

  .consult-launcher .consult-launcher-icon {
    display: inline-flex;
  }

  .consult-launcher > span:last-child {
    display: none;
  }

  .consult-dialog {
    width: 100vw;
    height: 100dvh;
    max-height: none;
    margin: 0;
    border-radius: 0;
  }

  .consult-dialog-shell {
    width: 100%;
    height: 100dvh;
    min-height: 0;
    border: 0;
    border-radius: 0;
  }

  .consult-dialog-header {
    min-height: 72px;
    padding: max(12px, env(safe-area-inset-top)) 24px 12px 14px;
  }

  .consult-toolbar {
    padding-inline: 14px;
  }

  .consult-messages {
    padding: 18px 14px 14px;
  }

  .consult-message {
    max-width: 91%;
  }

  .consult-phone-panel summary,
  .consult-phone-form {
    padding-right: 14px;
    padding-left: 14px;
  }

  .consult-composer {
    padding-right: 12px;
    padding-bottom: max(9px, env(safe-area-inset-bottom));
    padding-left: 12px;
  }

  .consult-privacy {
    display: none;
  }
}

@media (max-height: 620px) and (min-width: 561px) {
  .consult-dialog-shell {
    height: calc(100dvh - 18px);
    min-height: 0;
  }

  .consult-messages {
    min-height: 120px;
  }
}

/* --------------------------------------------------------------------------
 * 产品级内容页面
 * 新闻与案例横幅不再复用无语义的浅色占位模板：新闻使用编辑页叠层，案例直接使用真实客户标志。
 * ----------------------------------------------------------------------- */
.section-heading-with-action {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  text-align: left;
}

.section-more-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(10, 127, 195, 0.32);
  color: var(--brand-deep);
  font-size: 16px;
  font-weight: 650;
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.section-more-link:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateX(3px);
}

.content-index-page {
  background: #f4f7fa;
}

.content-hero {
  position: relative;
  min-height: 388px;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 22%, rgba(42, 188, 207, 0.2), transparent 31%),
    linear-gradient(122deg, #061a31 0%, #082d50 50%, #075e83 100%);
  color: #fff;
}

.content-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  content: '';
  mask-image: linear-gradient(90deg, transparent, #000 46%, #000);
  pointer-events: none;
}

.content-hero::after {
  position: absolute;
  right: -90px;
  bottom: -230px;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: '';
  box-shadow: 0 0 0 72px rgba(255, 255, 255, 0.025), 0 0 0 144px rgba(255, 255, 255, 0.018);
  pointer-events: none;
}

.content-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 388px;
  align-items: center;
  gap: 72px;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  padding-block: 54px;
}

.content-hero-copy {
  min-width: 0;
}

.content-hero .breadcrumb {
  margin-bottom: 44px;
  color: rgba(231, 244, 252, 0.72);
}

.content-hero .breadcrumb a:hover {
  color: #fff;
}

.content-hero-eyebrow {
  margin: 0 0 10px;
  color: #65d6e4;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.content-hero h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(54px, 5vw, 72px);
  font-weight: 720;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.content-hero-fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 30px;
  color: rgba(230, 242, 250, 0.76);
  font-size: 15px;
}

.content-hero-fact strong {
  color: #fff;
  font-size: 30px;
  font-weight: 680;
  font-variant-numeric: tabular-nums;
}

.news-hero-art {
  position: relative;
  width: min(100%, 590px);
  height: 270px;
  justify-self: end;
  perspective: 900px;
}

.news-hero-sheet {
  position: absolute;
  display: grid;
  width: 400px;
  height: 214px;
  align-content: center;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  backdrop-filter: blur(16px);
  box-shadow: 0 30px 70px rgba(2, 16, 31, 0.34);
  padding: 34px 38px;
}

.news-hero-sheet span {
  display: block;
  height: 8px;
  border-radius: 99px;
  background: rgba(232, 246, 252, 0.25);
}

.news-hero-sheet span:nth-of-type(1) { width: 82%; }
.news-hero-sheet span:nth-of-type(2) { width: 100%; }
.news-hero-sheet span:nth-of-type(3) { width: 63%; }

.news-hero-sheet.is-back {
  top: 18px;
  right: 8px;
  transform: rotateY(-9deg) rotateZ(4deg);
  background: rgba(51, 137, 173, 0.26);
}

.news-hero-sheet.is-front {
  right: 126px;
  bottom: 2px;
  transform: rotateY(8deg) rotateZ(-3deg);
  background: rgba(255, 255, 255, 0.11);
}

.news-hero-sheet i {
  width: max-content;
  border-radius: 999px;
  background: rgba(94, 219, 227, 0.16);
  color: #7ce4ec;
  padding: 5px 12px;
  font-size: 13px;
  font-style: normal;
  font-weight: 650;
}

.news-hero-sheet b {
  position: absolute;
  right: 30px;
  bottom: 24px;
  color: #7ce4ec;
  font-size: 24px;
  font-weight: 400;
}

.news-hero-date {
  position: absolute;
  right: 22px;
  bottom: 8px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.16em;
}

.news-content-hero,
.news-content-hero .content-hero-grid { min-height: 310px; }
.news-content-hero .content-hero-grid { padding-block: 38px; }
.news-content-hero .breadcrumb { margin-bottom: 28px; }
.news-hero-intro {
  margin: 20px 0 0;
  color: rgba(231, 244, 252, 0.76);
  font-size: 17px;
  line-height: 1.7;
}
.news-content-hero .news-hero-art { height: 220px; transform: scale(.86); transform-origin: center right; }

.cases-hero-intro {
  max-width: 560px;
  margin: 20px 0 0;
  color: rgba(232, 245, 251, 0.76);
  font-size: 17px;
  line-height: 1.8;
}

.cases-hero-network {
  position: relative;
  width: min(100%, 520px);
  height: 250px;
  justify-self: end;
}

.cases-hero-network::before,
.cases-hero-network::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 86%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(112, 224, 234, 0.72), transparent);
  content: '';
  transform: translate(-50%, -50%) rotate(25deg);
}

.cases-hero-network::after { transform: translate(-50%, -50%) rotate(-25deg); }

.cases-network-core,
.cases-network-ring,
.cases-network-node { position: absolute; border-radius: 50%; }

.cases-network-core {
  top: 50%;
  left: 50%;
  width: 88px;
  height: 88px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background: radial-gradient(circle at 32% 28%, #a7f2f2, #26aaba 38%, #0a456a 76%);
  box-shadow: 0 0 0 18px rgba(86, 214, 225, 0.08), 0 24px 50px rgba(0, 20, 38, 0.28);
  transform: translate(-50%, -50%);
}

.cases-network-core i,
.cases-network-core b {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.78);
  content: '';
}

.cases-network-core i { inset: 24px 20px; border-width: 1px 0; transform: rotate(45deg); }
.cases-network-core b { inset: 20px 24px; border-width: 0 1px; transform: rotate(45deg); }

.cases-network-ring { inset: 26px 120px; border: 1px solid rgba(116, 221, 232, 0.28); }
.cases-network-ring.is-two { inset: 58px 82px; transform: rotate(34deg); }

.cases-network-node {
  width: 17px;
  height: 17px;
  border: 2px solid rgba(211, 250, 250, 0.94);
  background: #38b9c6;
  box-shadow: 0 0 0 9px rgba(83, 215, 225, 0.1);
}

.cases-network-node.is-a { top: 23px; left: 126px; }
.cases-network-node.is-b { top: 45px; right: 72px; }
.cases-network-node.is-c { right: 126px; bottom: 21px; }
.cases-network-node.is-d { bottom: 42px; left: 70px; }

.cases-hero-network em {
  position: absolute;
  right: 0;
  bottom: 4px;
  color: rgba(225, 246, 249, 0.56);
  font-size: 13px;
  font-style: normal;
  letter-spacing: 0.18em;
}

.inner-content-section {
  padding-block: 76px 104px;
}

.content-list-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

.content-list-heading > div {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.content-list-heading span {
  color: var(--ink);
  font-size: 28px;
  font-weight: 700;
}

.content-list-heading strong,
.content-list-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.news-stage-page {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.news-archive-list { display: grid; gap: 16px; }
.news-archive-card {
  display: grid;
  min-height: 190px;
  overflow: hidden;
  border: 1px solid #d9e4eb;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 32px rgba(13, 47, 72, .045);
  grid-template-columns: 264px minmax(0, 1fr);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.news-archive-card:hover,
.news-archive-card:focus-visible {
  border-color: #a9d2df;
  box-shadow: 0 20px 48px rgba(11, 64, 91, .11);
  outline: 0;
  transform: translateY(-2px);
}
.news-archive-media {
  position: relative;
  min-height: 190px;
  margin: 0;
  overflow: hidden;
  background: #eaf1f4;
}
.news-archive-media::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,.28);
  content: '';
  pointer-events: none;
}
.news-archive-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease;
}
.news-archive-card:hover .news-archive-media img,
.news-archive-card:focus-visible .news-archive-media img { transform: scale(1.035); }
.news-archive-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 24px 30px 22px;
}
.news-archive-meta { display: flex; align-items: center; gap: 14px; }
.news-archive-meta time { color: #7b8998; font-size: 14px; font-variant-numeric: tabular-nums; }
.news-archive-copy h2 {
  margin: 15px 0 0;
  color: #14273c;
  font-size: 22px;
  line-height: 1.42;
}
.news-archive-copy p {
  display: -webkit-box;
  margin: 8px 0 0;
  overflow: hidden;
  color: #627286;
  font-size: 16px;
  line-height: 1.7;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.news-archive-action {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  margin-top: auto;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 680;
}
.news-archive-action b { font-size: 18px; font-weight: 500; transition: transform 180ms ease; }
.news-archive-card:hover .news-archive-action b,
.news-archive-card:focus-visible .news-archive-action b { transform: translate(2px,-1px); }

.news-stage-page .news-list {
  column-gap: 42px;
}

.news-stage-page .news-item {
  min-height: 138px;
  align-content: center;
  column-gap: 13px;
  grid-template-areas:
    'type date arrow'
    'title title arrow'
    'summary summary arrow';
  grid-template-columns: 82px minmax(0, 1fr) 28px;
  grid-template-rows: auto auto auto;
  padding: 22px 4px;
}

.news-stage-page .news-item:hover {
  background: linear-gradient(90deg, rgba(233, 246, 251, 0.68), transparent);
}

.news-stage-page .news-type { grid-area: type; }
.news-stage-page .news-item time { grid-area: date; }
.news-stage-page .news-title {
  grid-area: title;
  margin-top: 10px;
  overflow: hidden;
  color: #15273d;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-summary {
  display: none;
}

.news-stage-page .news-summary {
  display: -webkit-box;
  grid-area: summary;
  margin-top: 4px;
  overflow: hidden;
  color: #6c7a8b;
  font-size: 13px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

.news-stage-page .news-item b {
  grid-area: arrow;
  align-self: center;
}

.news-type-default {
  background: #edf1f5;
  color: #4f6276;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 42px;
}

.pagination-pages {
  display: flex;
  gap: 8px;
}

.pagination a,
.pagination > span {
  display: inline-flex;
  min-width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #526276;
  font-size: 14px;
  font-weight: 620;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.pagination a:hover,
.pagination a.is-current {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.pagination-control {
  padding-inline: 17px;
}

.pagination .is-disabled {
  pointer-events: none;
  opacity: 0.42;
}

.client-grid-page {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.client-grid-page .client-logo {
  position: relative;
  display: flex;
  min-height: 152px;
  flex: none;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  overflow: hidden;
  border: 1px solid #dce5ec;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(21, 48, 74, 0.045);
  padding: 24px 16px 18px;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.client-grid-page .client-logo::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, transparent, #25b4c7, transparent);
  content: '';
  opacity: 0;
  transition: opacity 180ms ease;
}

.client-grid-page .client-logo:hover {
  border-color: #bcd7e4;
  box-shadow: 0 20px 44px rgba(16, 66, 100, 0.1);
  transform: translateY(-4px);
}

.client-grid-page .client-logo:hover::before { opacity: 1; }

.client-grid-page .client-logo img {
  width: 100%;
  max-height: 64px;
  flex: 1;
  object-fit: contain;
}

.client-grid-page .client-logo figcaption,
.client-grid-page .client-logo > span {
  color: #617083;
  font-size: 13px;
  font-weight: 520;
  line-height: 1.35;
  text-align: center;
}

@media (max-width: 1000px) {
  .content-hero-grid {
    gap: 38px;
    grid-template-columns: minmax(0, 0.8fr) minmax(390px, 1.2fr);
  }

  .news-hero-sheet { width: 340px; }
  .news-hero-sheet.is-front { right: 82px; }
  .client-grid-page { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .section-heading-with-action,
  .content-list-heading {
    align-items: flex-start;
  }

  .content-hero,
  .content-hero-grid {
    min-height: auto;
  }

  .content-hero-grid {
    display: block;
    padding-block: 42px 54px;
  }

  .content-hero .breadcrumb { margin-bottom: 32px; }
  .content-hero h1 { font-size: clamp(44px, 12vw, 58px); }
  .content-hero-fact { margin-top: 22px; }
  .news-hero-art,
  .cases-hero-network { display: none; }

  .news-stage-page { padding-inline: 22px; }
  .news-stage-page .news-list { grid-template-columns: 1fr; }
  .news-stage-page .news-item:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .news-stage-page .news-item:last-child { border-bottom: 0; }
  .client-grid-page { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .section-heading-with-action {
    display: block;
  }

  .section-heading-with-action .section-more-link {
    margin-top: 18px;
  }

  .content-hero-grid { padding-block: 34px 44px; }
  .content-hero .breadcrumb { margin-bottom: 26px; }
  .content-hero-eyebrow { font-size: 13px; }
  .content-hero h1 { font-size: 42px; }
  .content-hero-fact strong { font-size: 26px; }
  .inner-content-section { padding-block: 48px 72px; }

  .content-list-heading {
    display: block;
    margin-bottom: 20px;
  }

  .content-list-heading > div {
    display: block;
  }

  .content-list-heading span { font-size: 24px; }
  .content-list-heading strong { display: block; margin-top: 3px; }
  .content-list-heading p { margin-top: 10px; line-height: 1.55; }
  .news-stage-page { border-radius: 16px; padding-inline: 16px; }

  .news-stage-page .news-item {
    min-height: 132px;
    grid-template-columns: 80px minmax(0, 1fr) 22px;
    padding-block: 20px;
  }

  .news-stage-page .news-title { white-space: normal; }
  .pagination { gap: 8px; }
  .pagination-control { min-width: 72px !important; padding-inline: 10px; }
  .client-grid-page { gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .client-grid-page .client-logo { min-height: 132px; border-radius: 13px; padding: 20px 10px 14px; }
  .client-grid-page .client-logo img { max-height: 54px; }
}

/* --------------------------------------------------------------------------
 * 公司、联系、帮助与正文页：沿用同一蓝青品牌语言，但每页采用不同的语义构图。
 * ----------------------------------------------------------------------- */
.about-page,
.contact-page,
.help-page,
.article-page { background: #f5f8fa; }

.about-hero-mark {
  position: relative;
  display: flex;
  width: 470px;
  height: 230px;
  align-items: center;
  justify-content: center;
  justify-self: end;
  border: 1px solid rgba(255,255,255,.18);
  background: linear-gradient(145deg, rgba(255,255,255,.13), rgba(255,255,255,.035));
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}
.about-hero-mark::before,
.about-hero-mark::after { position:absolute; content:''; border:1px solid rgba(101,214,228,.3); }
.about-hero-mark::before { inset: 22px 35px; }
.about-hero-mark::after { inset: 44px 58px; }
.about-hero-mark span { position:relative; z-index:1; color:#fff; font-size:43px; font-weight:730; letter-spacing:.06em; }
.about-hero-mark i { position:absolute; z-index:1; bottom:50px; color:#72dce7; font-size:14px; font-style:normal; letter-spacing:.18em; }

.about-story-section { background:#fff; }
.about-story-grid,
.company-profile-grid { display:grid; gap:90px; grid-template-columns: .72fr 1.28fr; }
.about-story-grid header span,
.company-profile-grid header span { color:var(--brand); font-size:14px; font-weight:700; letter-spacing:.12em; }
.about-story-grid h2,
.company-profile-grid h2 { margin:14px 0 0; font-size:clamp(32px,3.1vw,46px); line-height:1.35; letter-spacing:-.025em; }
.about-story-grid > header,
.company-profile-grid > header { position:sticky; top:116px; align-self:start; }
.about-story-copy,
.company-profile-grid > div { border-left:1px solid var(--line); padding-left:54px; }
.about-story-copy p,
.company-profile-grid p { margin:0; color:#435369; font-size:18px; line-height:2; }
.company-profile-grid p + p { margin-top:24px; }
.about-video-card {
  position: relative;
  margin: 38px 0 0;
  overflow: hidden;
  border: 1px solid #cbdce5;
  border-radius: 18px;
  background: #071d37;
  box-shadow: 0 24px 54px rgba(10, 45, 69, 0.14);
}
.about-video-card video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #07192d, #0d536f);
  object-fit: contain;
}
.about-video-card figcaption {
  display: grid;
  align-items: center;
  gap: 4px 22px;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  background: #fff;
  padding: 18px 22px;
}
.about-video-card figcaption strong { color: var(--ink); font-size: 17px; }
.about-video-card figcaption span { color: var(--muted); font-size: 14px; }
.about-video-card figcaption a { color: var(--brand-deep); font-size: 13px; font-weight: 650; }
.about-video-card-light { border-color: #d6e2e8; }
.about-values-section { background:#edf4f7; }
.about-values-grid { display:grid; gap:18px; grid-template-columns:repeat(3,1fr); }
.about-values-grid article { min-height:260px; border-top:4px solid var(--brand); background:#fff; box-shadow:0 18px 42px rgba(10,49,76,.07); padding:36px 34px; }
.about-values-grid span { color:var(--brand); font-size:14px; font-weight:700; }
.about-values-grid h2 { margin:38px 0 0; font-size:24px; line-height:1.65; }
.company-profile-section { background:#fff; }
.team-profile-section { border-top:1px solid var(--line); background:#fff; }

.contact-hero-lines { position:relative; width:480px; height:230px; justify-self:end; }
.contact-hero-lines span { position:absolute; right:0; width:420px; height:1px; background:linear-gradient(90deg,transparent,#67d8e5); transform-origin:right; }
.contact-hero-lines span:nth-child(1) { top:55px; transform:rotate(-13deg); }
.contact-hero-lines span:nth-child(2) { top:115px; width:470px; }
.contact-hero-lines span:nth-child(3) { top:175px; transform:rotate(13deg); }
.contact-hero-lines::before { position:absolute; top:88px; right:82px; width:54px; height:54px; border:1px solid rgba(255,255,255,.6); border-radius:50%; box-shadow:0 0 0 18px rgba(101,214,228,.07); content:''; }
.contact-card-grid { display:grid; gap:18px; grid-template-columns:repeat(3,1fr); }
.contact-card-grid article { position:relative; min-height:250px; overflow:hidden; border:1px solid var(--line); background:#fff; padding:34px; }
.contact-card-grid article::after { position:absolute; right:-45px; bottom:-45px; width:130px; height:130px; border:1px solid #deedf2; border-radius:50%; content:''; }
.contact-card-grid i { display:block; color:#a6b5c2; font-size:13px; font-style:normal; letter-spacing:.12em; }
.contact-card-grid span { display:block; margin-top:42px; color:var(--brand); font-size:14px; font-weight:680; }
.contact-card-grid h2 { margin:14px 0 0; font-size:20px; line-height:1.75; overflow-wrap:anywhere; }
.contact-card-grid a:hover { color:var(--brand); }
.contact-qr-card { display:flex; min-height:200px !important; align-items:center; justify-content:space-between; grid-column:span 3; }
.contact-qr-card span { margin-top:22px; }
.contact-qr-card img { width:154px; height:154px; object-fit:cover; }

.help-hero-intro { max-width:620px; margin:18px 0 0; color:rgba(231,244,252,.76); font-size:17px; }
.help-hero-art { position:relative; display:flex; width:460px; height:220px; align-items:center; justify-content:center; gap:12px; justify-self:end; }
.help-hero-art span { display:flex; width:92px; height:126px; align-items:flex-start; justify-content:flex-end; border:1px solid rgba(255,255,255,.3); background:rgba(255,255,255,.08); color:#74dce8; font-size:17px; font-weight:700; padding:15px; }
.help-hero-art span:nth-child(2) { transform:translateY(-18px); background:rgba(255,255,255,.14); }
.help-hero-art i { position:absolute; right:30px; bottom:24px; width:330px; height:1px; background:linear-gradient(90deg,transparent,#68d7e4); }
.help-toolbar { display:flex; align-items:end; justify-content:space-between; gap:30px; margin-bottom:58px; }
.help-filter { display:flex; gap:8px; border-radius:14px; background:#e9eff3; padding:6px; }
.help-filter a,.help-filter button { border-radius:10px; color:#506176; padding:10px 19px; font-size:15px; font-weight:620; }
.help-filter a:hover,.help-filter button:hover,
.help-filter a.is-current,.help-filter button.is-current { background:#fff; color:var(--brand-deep); box-shadow:0 5px 16px rgba(11,46,70,.08); }
.help-search { width:min(100%,360px); }
.help-search span { display:block; margin-bottom:7px; color:#667589; font-size:13px; }
.help-search input { width:100%; border:1px solid var(--line-strong); border-radius:12px; background:#fff; padding:12px 15px; color:var(--ink); font:inherit; font-size:15px; }
.help-catalog { display:grid; gap:72px; }
.help-version { display:grid; gap:54px; grid-template-columns:300px 1fr; }
.help-version > header { border-top:3px solid var(--brand); padding-top:24px; }
.help-version > header span { color:var(--brand); font-size:14px; font-weight:700; }
.help-version > header h2 { margin:12px 0; font-size:27px; line-height:1.45; }
.help-version > header p { margin:0; color:var(--muted); font-size:14px; line-height:1.8; }
.help-chapters { display:grid; gap:14px; grid-template-columns:repeat(3,1fr); }
.help-chapters a { position:relative; display:flex; min-height:230px; flex-direction:column; border:1px solid var(--line); background:#fff; padding:26px; transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease; }
.help-chapters a:hover { border-color:#b6d5e3; box-shadow:0 20px 42px rgba(11,53,81,.09); transform:translateY(-4px); }
.help-chapters i { color:#a8b4bf; font-size:13px; font-style:normal; }
.help-chapters span { margin-top:34px; color:var(--brand); font-size:13px; font-weight:700; }
.help-chapters strong { margin-top:8px; font-size:22px; }
.help-chapters b { margin-top:auto; color:#6a788a; font-size:13px; font-weight:550; }
.help-empty { border:1px dashed #bfcdd8; background:#fff; color:var(--muted); padding:40px; }

.article-header { position:relative; overflow:hidden; background:linear-gradient(122deg,#071d37,#0b4f72); color:#fff; }
.article-header::after { position:absolute; right:-80px; bottom:-150px; width:380px; height:380px; border:1px solid rgba(255,255,255,.1); border-radius:50%; content:''; }
.article-header-inner { position:relative; z-index:1; padding-block:68px 74px; }
.article-header .breadcrumb { color:rgba(231,244,252,.7); }
.article-header h1 { max-width:920px; margin:28px 0 0; font-size:clamp(38px,4vw,58px); line-height:1.25; letter-spacing:-.025em; }
.article-header p { max-width:780px; margin:18px 0 0; color:rgba(232,245,251,.78); font-size:17px; }
.article-header-meta { display:flex; gap:18px; margin-top:20px; color:#74dce8; font-size:14px; }
.article-client-logo { max-width:260px; max-height:80px; margin-top:28px; border-radius:8px; background:#fff; padding:12px 18px; object-fit:contain; }
.article-section { background:#f5f8fa; padding-top:72px; }
.article-layout { display:grid; align-items:start; gap:36px; grid-template-columns:minmax(0,1fr) 280px; }
.article-layout-single { grid-template-columns:minmax(0,880px); justify-content:center; }
.article-body { min-width:0; border:1px solid var(--line); background:#fff; box-shadow:0 18px 48px rgba(12,48,73,.06); padding:clamp(30px,5vw,70px); color:#34475d; line-height:1.95; overflow-wrap:anywhere; }
.article-body > :first-child { margin-top:0; }
.article-body > :last-child { margin-bottom:0; }
.article-body h1,.article-body h2,.article-body h3 { margin:1.6em 0 .6em; color:var(--ink); line-height:1.4; }
.article-body h2 { border-left:4px solid var(--brand); padding-left:15px; font-size:28px; }
.article-body h3 { font-size:22px; }
.article-body img { height:auto; margin:30px auto; }
.article-lead-media { margin: 0 0 34px; overflow: hidden; border-radius: 14px; background: #eef4f6; }
.article-lead-media img { display: block; width: 100%; max-height: 520px; margin: 0; object-fit: contain; }
.article-body a { color:var(--brand-deep); text-decoration:underline; text-underline-offset:3px; }
.article-body table { width:100%; border-collapse:collapse; margin:28px 0; }
.article-body th,.article-body td { border:1px solid var(--line); padding:12px 14px; text-align:left; }
.article-body th { background:#eff6f8; }
.article-body pre { overflow:auto; border-radius:12px; background:#0a1f37; color:#e8f3f8; padding:20px; }
.article-related { border-top:3px solid var(--brand); background:#fff; padding:24px; }
.article-related h2 { margin:0 0 18px; font-size:19px; }
.article-related a { display:block; border-top:1px solid var(--line); padding:13px 0; color:#4b5d70; font-size:14px; line-height:1.55; }
.article-neighbors { display:grid; gap:20px; grid-template-columns:1fr 1fr; margin-top:28px; }
.article-neighbors a { border:1px solid var(--line); background:#fff; padding:20px 24px; }
.article-neighbors span { display:block; color:var(--muted); font-size:13px; }
.article-neighbors strong { display:block; margin-top:6px; font-size:15px; }
.article-back { margin-top:30px; text-align:center; }
.article-back a { display:inline-flex; border:1px solid var(--line-strong); border-radius:999px; background:#fff; padding:10px 22px; }

/* --------------------------------------------------------------------------
 * 单人内容后台：独立于官网营销界面，强调清晰、安全和低维护成本。
 * ----------------------------------------------------------------------- */
.admin-body { min-height:100vh; background:#f2f5f7; color:#172538; font-size:15px; }
.admin-header { display:flex; min-height:72px; align-items:center; justify-content:space-between; border-bottom:1px solid #dce4e9; background:#fff; padding:0 max(28px,calc((100vw - 1320px)/2)); }
.admin-brand { display:flex; align-items:center; gap:16px; font-weight:700; }
.admin-brand img { width:150px; }
.admin-brand span { border-left:1px solid #d9e1e7; padding-left:16px; color:#56677a; }
.admin-header nav { display:flex; align-items:center; gap:24px; }
.admin-header nav a:hover { color:var(--brand); }
.admin-header form { margin:0; }
.admin-header button { cursor:pointer; background:transparent; color:#7b8999; }
.admin-main { width:min(calc(100% - 56px),1320px); margin:0 auto; padding-block:58px 90px; }
.admin-page-heading { display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:34px; }
.admin-page-heading span,.admin-kicker { color:var(--brand); font-size:13px; font-weight:720; letter-spacing:.12em; }
.admin-page-heading h1,.admin-auth-card h1 { margin:8px 0 0; font-size:36px; line-height:1.3; }
.admin-primary-button,.admin-secondary-button,.admin-danger-button { display:inline-flex; min-height:44px; align-items:center; justify-content:center; border-radius:10px; cursor:pointer; padding:0 20px; font-weight:650; }
.admin-primary-button { background:var(--brand-deep); color:#fff; }
.admin-secondary-button { border:1px solid #c9d5dd; background:#fff; color:#42556a; }
.admin-danger-button { border:1px solid #efc6c6; background:#fff6f6; color:#a73232; }
.admin-auth-card { width:min(100%,520px); margin:5vh auto 0; border:1px solid #dbe4e9; background:#fff; box-shadow:0 24px 60px rgba(12,46,68,.09); padding:44px; }
.admin-auth-card > p { color:#617185; }
.admin-form { display:grid; gap:8px; margin-top:28px; }
.admin-form label,.admin-editor-form label { display:grid; gap:7px; color:#425469; font-weight:620; }
.admin-form input,.admin-editor-form input,.admin-editor-form select,.admin-editor-form textarea { width:100%; border:1px solid #cbd7df; border-radius:8px; background:#fff; color:#19283b; padding:11px 12px; font:inherit; font-weight:400; }
.admin-form input:focus,.admin-editor-form input:focus,.admin-editor-form select:focus,.admin-editor-form textarea:focus { border-color:var(--brand); outline:3px solid rgba(10,127,195,.11); }
.admin-form > span { min-height:19px; color:#b33333; font-size:12px; }
.admin-errors { border-radius:8px; background:#fff1f1; color:#a22b2b; }
.admin-errors:empty { display:none; }
.admin-errors ul { margin:0; padding:12px 30px; }
.admin-success,.admin-notice { border:1px solid #b9ddd6; border-radius:8px; background:#edf9f6; color:#27645b; padding:12px 14px; }
.admin-quiet-link { display:block; margin-top:22px; color:#657587; text-align:center; }
.admin-count-grid { display:grid; gap:18px; grid-template-columns:repeat(3,1fr); }
.admin-count-grid a { border-top:4px solid var(--brand); background:#fff; box-shadow:0 15px 36px rgba(15,47,69,.06); padding:30px; }
.admin-count-grid span,.admin-count-grid small { display:block; color:#66778a; }
.admin-count-grid strong { display:block; margin:18px 0 2px; font-size:52px; line-height:1; }
.admin-guide { margin-top:28px; border:1px solid #dbe4e9; background:#fff; padding:30px; }
.admin-guide h2 { margin-top:0; }
.admin-guide li { margin-top:8px; color:#536477; }
.admin-filter { display:flex; gap:8px; margin-bottom:18px; }
.admin-filter a { border:1px solid #d3dee5; border-radius:8px; background:#fff; padding:8px 16px; }
.admin-filter a.is-current { border-color:var(--brand); background:var(--brand); color:#fff; }
.admin-table-wrap { overflow:auto; border:1px solid #dbe4e9; background:#fff; }
.admin-table { width:100%; min-width:820px; border-collapse:collapse; }
.admin-table th,.admin-table td { border-bottom:1px solid #e2e9ed; padding:17px 20px; text-align:left; }
.admin-table th { background:#f7f9fa; color:#68798a; font-size:13px; }
.admin-table td strong,.admin-table td small { display:block; }
.admin-table td small { margin-top:4px; color:#8190a0; }
.admin-table td:last-child a { color:var(--brand-deep); font-weight:650; }
.admin-table-action { border: 0; background: transparent; color: var(--brand-deep); cursor: pointer; padding: 6px 0; font: inherit; font-weight: 650; }
.admin-table-action:hover { text-decoration: underline; }
.admin-type { display:inline-block; border-radius:99px; background:#eaf4f8; color:var(--brand-deep); padding:3px 8px; font-size:12px; }
.admin-limit-note { color:#718092; font-size:13px; }
.admin-wide-notice { margin-bottom:18px; }
.admin-editor-form { display:grid; gap:20px; }
.admin-form-panel { border:1px solid #dbe4e9; background:#fff; padding:30px; }
.admin-form-panel h2 { margin:0 0 24px; font-size:20px; }
.admin-form-grid { display:grid; gap:20px; grid-template-columns:1fr 1fr; }
.admin-field-wide { grid-column:1/-1; }
.admin-editor-form label small { color:#788797; font-size:12px; font-weight:400; }
.admin-editor-form textarea { resize:vertical; line-height:1.7; }
.admin-check { display:flex !important; align-items:center; grid-column:1/-1; grid-template-columns:auto 1fr; }
.admin-check input { width:18px; height:18px; }
.admin-form-actions { display:flex; gap:12px; }

/* 后台内容工作台：围绕查找、编写、插图、发布和恢复组织，不复制官网营销区块。 */
.admin-page-heading-top { align-items:flex-start; }
.admin-page-heading-top p { max-width:680px; margin:12px 0 0; color:#66778a; font-size:16px; line-height:1.7; }
.admin-heading-actions { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:10px; }
.admin-primary-button,.admin-secondary-button,.admin-danger-button { border:1px solid transparent; transition:border-color .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease; }
.admin-primary-button:hover { background:#073e60; box-shadow:0 8px 20px rgba(8,67,101,.16); }
.admin-secondary-button:hover { border-color:#8da7b8; background:#f8fbfc; }
.admin-danger-button:hover { border-color:#d99898; background:#ffeded; }
.admin-primary-button:focus-visible,.admin-secondary-button:focus-visible,.admin-danger-button:focus-visible,.admin-text-button:focus-visible { outline:3px solid rgba(10,127,195,.18); outline-offset:2px; }
.admin-segmented { display:inline-flex; margin-bottom:16px; border:1px solid #d6e0e6; border-radius:12px; background:#e9eef2; padding:4px; }
.admin-segmented a { min-width:108px; border-radius:8px; padding:9px 18px; color:#5d6e7e; text-align:center; }
.admin-segmented a.is-current { background:#fff; box-shadow:0 3px 10px rgba(18,47,66,.08); color:#13283d; font-weight:700; }
.admin-search-panel { display:grid; align-items:end; gap:14px; grid-template-columns:minmax(280px,2fr) repeat(3,minmax(145px,1fr)) auto; border:1px solid #dce5ea; border-radius:14px; background:#fff; box-shadow:0 12px 35px rgba(17,50,70,.05); padding:20px; }
.admin-search-panel label { display:grid; gap:7px; color:#536679; font-size:13px; font-weight:650; }
.admin-search-panel input,.admin-search-panel select { width:100%; min-height:44px; border:1px solid #cbd7df; border-radius:9px; background:#fff; padding:0 12px; color:#1a2b3d; font:inherit; }
.admin-search-panel input:focus,.admin-search-panel select:focus { border-color:var(--brand); outline:3px solid rgba(10,127,195,.1); }
.admin-search-actions { display:flex; gap:8px; }
.admin-result-summary { display:flex; align-items:center; justify-content:space-between; margin:28px 0 12px; color:#738294; }
.admin-result-summary strong { color:#24384c; font-size:16px; }
.admin-content-list { overflow:hidden; border:1px solid #dce5ea; border-radius:14px; background:#fff; }
.admin-content-row { display:grid; min-height:150px; align-items:center; gap:22px; grid-template-columns:168px minmax(0,1fr) auto; border-bottom:1px solid #e3eaee; padding:18px; }
.admin-content-row:last-child { border-bottom:0; }
.admin-content-row:hover { background:#fbfdfe; }
.admin-content-thumb { display:grid; overflow:hidden; width:168px; height:112px; place-items:center; border:1px solid #dce6eb; border-radius:10px; background:linear-gradient(145deg,#edf5f8,#f8fbfc); color:#6f8796; font-size:24px; font-weight:750; }
.admin-content-thumb img { width:100%; height:100%; object-fit:cover; }
.admin-content-copy { min-width:0; }
.admin-content-meta { display:flex; flex-wrap:wrap; align-items:center; gap:8px 12px; color:#738294; font-size:12px; }
.admin-status { display:inline-flex; align-items:center; gap:6px; border-radius:999px; padding:4px 9px; font-size:12px; font-weight:700; }
.admin-status::before { width:6px; height:6px; border-radius:50%; background:currentColor; content:''; }
.admin-status.is-published { background:#e9f8f3; color:#15705c; }
.admin-status.is-draft { background:#fff5df; color:#9a6512; }
.admin-content-copy h2 { overflow:hidden; margin:10px 0 5px; color:#172b3e; font-size:20px; line-height:1.45; text-overflow:ellipsis; white-space:nowrap; }
.admin-content-copy p { display:-webkit-box; overflow:hidden; margin:0; color:#607286; line-height:1.6; -webkit-box-orient:vertical; -webkit-line-clamp:1; }
.admin-content-copy small { display:block; overflow:hidden; margin-top:8px; color:#8996a4; text-overflow:ellipsis; white-space:nowrap; }
.admin-content-actions { min-width:112px; }
.admin-content-actions form { margin:0; }
.admin-empty-state { display:grid; min-height:330px; place-items:center; align-content:center; border:1px dashed #c8d5dc; border-radius:14px; background:#fff; padding:40px; text-align:center; }
.admin-empty-state > span { display:grid; width:58px; height:58px; place-items:center; border-radius:50%; background:#eaf4f8; color:var(--brand); font-size:28px; }
.admin-empty-state h2 { margin:18px 0 5px; font-size:24px; }
.admin-empty-state p { margin:0 0 22px; color:#6e7e8f; }
.admin-pagination { margin-top:24px; }

.admin-title-panel { display:grid; gap:18px; border:1px solid #dbe5ea; border-radius:14px; background:#fff; box-shadow:0 14px 38px rgba(15,47,69,.05); padding:26px 30px; }
.admin-title-panel label { display:grid; gap:8px; color:#536679; font-weight:650; }
.admin-title-panel input,.admin-title-panel textarea { width:100%; border:1px solid #cbd7df; border-radius:9px; padding:12px 14px; color:#172b3f; font:inherit; font-weight:400; }
.admin-title-input { border-width:0 0 1px !important; border-radius:0 !important; padding:6px 0 14px !important; font-size:30px !important; font-weight:720 !important; letter-spacing:-.02em; }
.admin-title-panel small { color:#82909f; font-size:12px; font-weight:400; text-align:right; }
.admin-editor-layout { display:grid; align-items:start; gap:22px; grid-template-columns:minmax(0,1fr) 350px; }
.admin-editor-main,.admin-editor-sidebar { min-width:0; }
.admin-editor-sidebar { display:grid; gap:18px; }
.admin-editor-form .admin-form-panel { border-radius:14px; box-shadow:0 12px 34px rgba(15,47,69,.045); }
.admin-editor-sidebar .admin-form-panel { padding:22px; }
.admin-panel-header { display:flex; align-items:flex-start; justify-content:space-between; gap:20px; margin-bottom:22px; }
.admin-panel-header h2,.admin-cover-panel h2,.admin-settings-panel h2 { margin:5px 0 0; font-size:22px; }
.admin-panel-header p,.admin-cover-panel header p,.admin-settings-panel header p { margin:5px 0 0; color:#738294; font-size:13px; line-height:1.6; }
.admin-mode-field { max-width:240px; margin-bottom:16px; }
.admin-editor-host { min-width:0; }
.admin-markdown-fallback.is-enhanced { display:none; }
.admin-editor-help { display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px; margin-top:10px; color:#718295; font-size:12px; }
.admin-editor-help [data-editor-state] { color:#1b6b7e; font-weight:650; }
.admin-editor-help [data-editor-state].is-error { color:#ad3030; }
.admin-inline-note,.admin-file-rule { margin:10px 0 0; color:#718295; font-size:12px; line-height:1.65; }
.admin-publish-panel { display:grid; gap:18px; }
.admin-publish-status { display:grid; gap:9px; }
.admin-publish-status .admin-status { justify-self:start; }
.admin-publish-status strong { color:#32485d; font-size:14px; }
.admin-cover-panel header,.admin-settings-panel header { margin-bottom:18px; }
.admin-cover-preview { position:relative; display:grid; overflow:hidden; aspect-ratio:16/10; place-items:center; margin-bottom:14px; border:1px solid #d8e3e9; border-radius:11px; background:linear-gradient(145deg,#edf4f7,#fafcfd); color:#8795a2; }
.admin-cover-preview img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.admin-cover-preview:not(.is-empty) span { display:none; }
.admin-text-button { border:0; cursor:pointer; background:transparent; color:var(--brand-deep); padding:6px 0; font:inherit; font-weight:650; }
.admin-settings-panel { display:grid; gap:15px; }
.admin-settings-panel label,.admin-publish-panel label { display:grid; gap:7px; color:#4f6276; font-weight:650; }
.admin-settings-panel input,.admin-settings-panel select,.admin-publish-panel input { width:100%; min-height:44px; border:1px solid #cbd7df; border-radius:8px; background:#fff; padding:9px 11px; color:#192b3e; font:inherit; font-weight:400; }
.admin-settings-panel small { color:#7f8e9d; font-size:12px; font-weight:400; line-height:1.55; }
.admin-settings-panel small a { color:var(--brand-deep); text-decoration:underline; text-underline-offset:2px; }
.admin-details-panel { padding:0 !important; }
.admin-details-panel summary { cursor:pointer; list-style:none; padding:19px 22px; }
.admin-details-panel summary::-webkit-details-marker { display:none; }
.admin-details-panel summary > span { display:grid; gap:4px; }
.admin-details-panel summary small { color:#7b8998; font-size:12px; font-weight:400; }
.admin-details-body { display:grid; gap:15px; border-top:1px solid #e2e9ed; padding:20px 22px 22px; }
.admin-sticky-actions { position:sticky; z-index:8; bottom:14px; align-items:center; justify-content:space-between; border:1px solid #d4e0e6; border-radius:13px; background:rgba(255,255,255,.96); box-shadow:0 16px 42px rgba(15,46,65,.14); padding:13px 15px; backdrop-filter:blur(14px); }
.admin-sticky-actions > div { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:10px; }
.admin-save-hint { color:#6e7f90; font-size:13px; }
.admin-workspace-form.is-submitting { opacity:.78; pointer-events:none; }

/* 开源编辑器和上传器只覆盖视觉令牌，不改动组件内部行为。 */
.admin-body-panel .toastui-editor-defaultUI { overflow:hidden; border:1px solid #c9d6de; border-radius:10px; font-family:var(--font-sans); }
.admin-body-panel .toastui-editor-defaultUI-toolbar { display:flex; height:auto; min-height:46px; flex-wrap:wrap; align-items:center; gap:2px; border-bottom-color:#dfe7eb; background:#f8fafb; padding:5px 7px; }
.admin-body-panel .toastui-editor-toolbar-group { display:flex; float:none; margin:0 5px 0 0; }
.admin-body-panel .toastui-editor-main,.admin-body-panel .toastui-editor-contents,.admin-body-panel .ProseMirror { font-family:var(--font-sans); font-size:16px; line-height:1.8; }
.admin-body-panel .toastui-editor-mode-switch { border-top-color:#dfe7eb; background:#f8fafb; }
.admin-body-panel .toastui-editor-mode-switch .tab-item { min-width:92px; font-family:var(--font-sans); }
.admin-cover-panel .filepond--root { margin-bottom:8px; font-family:var(--font-sans); }
.admin-cover-panel .filepond--panel-root { background:#eef4f7; }
.admin-cover-panel .filepond--drop-label { min-height:92px; color:#405970; }
.admin-cover-panel .filepond--label-action { color:var(--brand-deep); text-decoration-color:#8fb8c7; }

/* 帮助目录工作台：结构导航和当前目录内容同时可见，不把树退化成表单旁的装饰。 */
.admin-help-heading { margin-bottom:16px; }
.admin-help-heading h1 { font-size:clamp(30px,3vw,40px); }
.admin-help-heading p { margin-top:7px; }
.admin-tree-workspace { display:grid; min-height:760px; align-items:start; gap:22px; grid-template-columns:430px minmax(0,1fr); }
.admin-help-split-workspace { grid-template-columns:minmax(360px,430px) minmax(0,1fr); }
.admin-tree-actions { display:flex; flex-wrap:wrap; gap:8px; padding:12px 15px; border-bottom:1px solid #e4ebef; }
.admin-tree-actions button { min-height:38px; padding:8px 12px; }
.admin-help-article-pane { overflow:hidden; min-height:760px; border:1px solid #d8e3e9; border-radius:14px; background:#fff; box-shadow:0 14px 38px rgba(15,47,69,.05); }
.admin-help-article-pane-header { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:11px 16px; border-bottom:1px solid #e4ebef; background:#f8fafb; }
.admin-help-article-pane-header span { color:#178b9b; font-size:12px; font-weight:750; }
.admin-help-article-pane-header h2 { margin:2px 0 0; color:#162c40; font-size:18px; }
.admin-help-article-pane-header p { margin:0; color:#627588; }
.admin-help-editor-frame { width:100%; min-height:680px; border:0; background:#fff; }
.admin-help-editor-frame-placeholder { display:grid; min-height:560px; place-content:center; gap:8px; padding:30px; color:#728393; text-align:center; }
.admin-node-dialog { width:min(720px,calc(100vw - 32px)); max-height:calc(100vh - 32px); padding:0; overflow:auto; border:0; border-radius:16px; box-shadow:0 24px 80px rgba(7,32,48,.25); }
.admin-node-dialog::backdrop { background:rgba(8,29,44,.48); }
.admin-node-dialog form > header,.admin-node-dialog form > footer { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:18px 22px; background:#f7fafb; }
.admin-node-dialog form > header { border-bottom:1px solid #dce6eb; }
.admin-node-dialog form > footer { justify-content:flex-end; border-top:1px solid #dce6eb; }
.admin-node-dialog form > header h2 { margin:3px 0 0; font-size:24px; }
.admin-node-dialog form > header span { color:#178b9b; font-size:12px; font-weight:750; }
.admin-node-dialog form > header button { width:40px; height:40px; border:0; border-radius:50%; background:#eaf1f4; color:#29475b; font-size:24px; }
.admin-node-dialog .admin-form-stack,.admin-node-dialog .admin-errors { margin:18px 22px; }
.admin-embedded-body { min-width:0; background:#fff; }
.admin-embedded-main { padding:0 16px 24px; }
.admin-embedded-main .admin-page-heading-top { margin-top:0; padding-top:18px; }
.admin-embedded-main .admin-page-heading h1 { font-size:26px; }
.admin-help-fixed-node { display:grid; gap:4px; padding:12px 14px; border:1px solid #dbe6eb; border-radius:9px; background:#f7fafb; }
.admin-help-fixed-node span { color:#718391; font-size:12px; }
.admin-help-edit-page-heading { margin-bottom:20px; }
.admin-help-quick-form { display:grid; gap:12px; padding-top:14px; }
.admin-help-compact-notice { margin:10px 0 0; padding:10px 13px; font-size:13px; line-height:1.55; }
.admin-help-edit-statusbar { display:flex; min-width:0; align-items:center; justify-content:space-between; gap:16px; border:1px solid #d9e4e9; border-radius:10px; background:#f7fafb; padding:10px 13px; }
.admin-help-edit-node { display:flex; min-width:0; align-items:center; gap:9px; }
.admin-help-edit-node span { flex:0 0 auto; color:#718290; font-size:12px; }
.admin-help-edit-node strong { overflow:hidden; color:#21384b; font-size:14px; text-overflow:ellipsis; white-space:nowrap; }
.admin-help-edit-state { display:flex; flex:0 0 auto; align-items:center; gap:8px; }
.admin-help-path-state { font-size:12px; font-weight:650; }
.admin-help-path-state.is-ready { color:#15705c; }
.admin-help-path-state.is-blocked { color:#9a6512; }
.admin-help-publish-warning { border:1px solid #e9d3a6; border-radius:9px; background:#fff8e9; padding:10px 13px; color:#7b5817; font-size:13px; line-height:1.55; }
.admin-help-title-row { display:grid; gap:6px; border-bottom:1px solid #dce5ea; padding:5px 2px 12px; }
.admin-help-title-row label { color:#647687; font-size:12px; font-weight:700; }
.admin-help-title-input { width:100%; border:0; outline:0; background:transparent; padding:0; color:#152c3f; font:inherit; font-size:25px; font-weight:730; line-height:1.35; }
.admin-help-title-input::placeholder { color:#9aa8b3; font-weight:560; }
.admin-help-title-input:focus-visible { border-radius:5px; outline:3px solid rgba(10,127,195,.13); outline-offset:4px; }
.admin-help-optional-panel { overflow:hidden; border:1px solid #dce5ea; border-radius:9px; background:#fff; }
.admin-help-optional-panel > summary { cursor:pointer; list-style:none; padding:10px 13px; }
.admin-help-optional-panel > summary::-webkit-details-marker { display:none; }
.admin-help-optional-panel > summary > span { display:flex; align-items:center; justify-content:space-between; gap:14px; }
.admin-help-optional-panel > summary strong { color:#3f5669; font-size:13px; }
.admin-help-optional-panel > summary small { color:#82919e; font-size:12px; }
.admin-help-optional-body { display:grid; gap:7px; border-top:1px solid #e5ecef; padding:12px 13px; }
.admin-help-optional-body > label { color:#566b7d; font-size:12px; font-weight:680; }
.admin-help-optional-body textarea,.admin-help-optional-body input { width:100%; border:1px solid #cad7de; border-radius:8px; background:#fff; padding:9px 11px; color:#1c3042; font:inherit; }
.admin-help-optional-body > small { color:#82919e; font-size:11px; text-align:right; }
.admin-help-body-panel { margin-top:0; padding:16px !important; }
.admin-help-body-header { display:flex; align-items:flex-end; justify-content:space-between; gap:18px; margin-bottom:12px; }
.admin-help-body-header h2 { margin:3px 0 0; font-size:18px; }
.admin-help-body-header p { margin:0; color:#718391; font-size:12px; }
.admin-help-seo-panel { margin-top:0; }
.admin-help-seo-fields { grid-template-columns:1fr 1fr; }
.admin-help-seo-fields label { display:grid; gap:7px; }
.admin-help-quick-actions { margin-top:0; }
.admin-help-quick-actions button:disabled { cursor:not-allowed; opacity:.62; }
.admin-tree-pane,.admin-tree-editor { min-width:0; }
.admin-tree-pane { position:sticky; top:18px; overflow:hidden; border:1px solid #d8e3e9; border-radius:14px; background:#fff; box-shadow:0 14px 38px rgba(15,47,69,.055); }
.admin-tree-pane-header { display:flex; align-items:flex-start; justify-content:space-between; gap:14px; border-bottom:1px solid #e1e8ec; background:linear-gradient(145deg,#f7fbfc,#fff); padding:18px; }
.admin-tree-pane-header > div { display:grid; gap:5px; }
.admin-tree-pane-header span { color:#17344b; font-size:16px; font-weight:760; }
.admin-tree-pane-header strong { color:#708190; font-size:12px; font-weight:520; }
.admin-tree-pane-header a { border-radius:999px; background:#fff3dc; color:#94610f; padding:5px 9px; font-size:11px; font-weight:720; white-space:nowrap; }
.admin-tree-tools { display:grid; gap:12px; border-bottom:1px solid #e1e8ec; padding:18px; }
.admin-tree-tools label { display:grid; gap:7px; color:#536679; font-size:13px; font-weight:650; }
.admin-tree-tools input { width:100%; min-height:44px; border:1px solid #cbd8df; border-radius:8px; background:#fdfefe; padding:0 12px; color:#1e3042; font:inherit; }
.admin-tree-tools > div { display:flex; gap:18px; }
.admin-help-tree { --wb-row-outer-height:32px; --wb-row-inner-height:30px; --wb-icon-outer-height:30px; --wb-icon-outer-width:24px; --wb-icon-padding-y:7px; --wb-icon-padding-x:4px; height:520px; border:0 !important; background:#fff; font-family:var(--font-sans); font-size:14px; }
.admin-help-tree .wb-row { border-bottom:1px solid #f0f3f5; }
.admin-help-tree .wb-row:hover { background:#f2f8fa; }
.admin-help-tree .wb-row.wb-active { box-shadow:inset 3px 0 #15849b; background:#e4f2f6; color:#073d59; }
.admin-help-tree .wb-row.is-draft .wb-title { color:#7b6a48; }
.admin-help-tree .wb-row.is-document .wb-title { color:#41576a; font-size:13px; }
.admin-help-tree .wb-row.is-document .wb-title::after { margin-left:7px; color:#8a99a6; content:'文章'; font-size:10px; }
.admin-help-tree .wb-row.is-virtual .wb-title { color:#9a6512; font-weight:720; }
.admin-help-tree .wb-row.is-virtual .wb-title::after { margin-left:7px; content:'待整理'; font-size:10px; font-weight:600; }
.admin-help-tree .wb-badge { border-radius:999px; background:#dfeef3; color:#285d70; font-size:11px; }
.admin-tree-loading,.admin-tree-error { display:grid; height:100%; place-items:center; margin:0; color:#758594; padding:25px; text-align:center; }
.admin-tree-error { height:240px; }
.admin-tree-legend { display:flex; flex-wrap:wrap; gap:10px 16px; border-top:1px solid #e7edef; padding:13px 18px; color:#748493; font-size:12px; }
.admin-tree-legend span { display:flex; align-items:center; gap:6px; }
.admin-tree-legend i { width:8px; height:8px; border-radius:50%; }
.admin-tree-legend i.is-folder { border-radius:2px; background:#2791a3; }
.admin-tree-legend i.is-document { background:#70869a; }
.admin-tree-legend i.is-link { border:2px solid #537489; background:transparent; }
.admin-tree-legend i.is-draft { background:#cf8b25; }
.admin-tree-instruction { margin:0; border-top:1px solid #e7edef; background:#f8fafb; padding:13px 18px; color:#6c7d8e; font-size:12px; line-height:1.65; }
.admin-tree-instruction strong { color:#425b6e; }
.admin-tree-editor { display:grid; gap:18px; }
.admin-context-breadcrumb { display:flex; min-width:0; flex-wrap:wrap; align-items:center; gap:6px; color:#718394; font-size:12px; line-height:1.6; }
.admin-context-breadcrumb a { max-width:220px; overflow:hidden; color:#4b6578; text-overflow:ellipsis; white-space:nowrap; }
.admin-context-breadcrumb a:hover { color:var(--brand-deep); text-decoration:underline; text-underline-offset:3px; }
.admin-context-breadcrumb span { color:#a2adb6; }
.admin-help-context-card,.admin-help-create-context,.admin-help-contents-panel { border:1px solid #d8e3e9; border-radius:14px; background:#fff; box-shadow:0 14px 38px rgba(15,47,69,.05); }
.admin-help-context-card { overflow:hidden; }
.admin-help-context-card > .admin-context-breadcrumb { border-bottom:1px solid #e7edef; background:#f8fafb; padding:12px 24px; }
.admin-help-context-heading { display:flex; align-items:flex-start; justify-content:space-between; gap:28px; padding:25px 26px 22px; }
.admin-help-context-heading > div:first-child { min-width:0; }
.admin-help-context-heading h2 { margin:11px 0 5px; color:#162c40; font-size:28px; line-height:1.3; }
.admin-help-context-heading p { max-width:620px; margin:0; color:#627588; line-height:1.7; }
.admin-help-context-actions { display:flex; min-width:190px; flex-wrap:wrap; justify-content:flex-end; gap:9px; }
.admin-help-context-stats { display:grid; margin:0; border-top:1px solid #e4ebef; background:#fbfcfd; grid-template-columns:repeat(4,1fr); }
.admin-help-context-stats div { min-width:0; border-right:1px solid #e4ebef; padding:16px 20px; }
.admin-help-context-stats div:last-child { border-right:0; }
.admin-help-context-stats dt { overflow:hidden; color:#203a50; font-size:20px; font-weight:750; text-overflow:ellipsis; white-space:nowrap; }
.admin-help-context-stats dd { margin:4px 0 0; color:#7a8997; font-size:11px; }
.admin-help-contents-panel { overflow:hidden; }
.admin-help-contents-panel > header { display:flex; align-items:flex-start; justify-content:space-between; gap:20px; border-bottom:1px solid #e3eaee; padding:20px 24px; }
.admin-help-contents-panel h2 { margin:5px 0 0; font-size:20px; }
.admin-help-contents-panel header > a { color:var(--brand-deep); font-size:13px; font-weight:700; }
.admin-help-content-list { display:grid; }
.admin-help-content-row { display:grid; min-width:0; align-items:center; gap:14px; grid-template-columns:38px minmax(0,1fr) auto; border-bottom:1px solid #edf1f3; padding:13px 18px; }
.admin-help-content-row:last-child { border-bottom:0; }
.admin-help-content-row:hover { background:#f6fafb; }
.admin-help-content-icon { display:grid; width:34px; height:34px; place-items:center; border-radius:9px; background:#e7f2f5; color:#246a7c; font-size:12px; font-weight:760; }
.admin-help-content-row.is-document .admin-help-content-icon { background:#edf1f4; color:#596f80; }
.admin-help-content-row > span:nth-child(2) { min-width:0; }
.admin-help-content-row strong,.admin-help-content-row small { display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.admin-help-content-row strong { color:#273d50; font-size:14px; }
.admin-help-content-row small { margin-top:4px; color:#7b8a98; font-size:11px; }
.admin-help-content-row b { color:#397084; font-size:12px; }
.admin-help-content-empty { display:grid; gap:5px; padding:28px 24px; text-align:center; }
.admin-help-content-empty strong { color:#40586b; }
.admin-help-content-empty span { color:#7a8997; font-size:13px; }
.admin-help-create-context { padding:25px 28px; }
.admin-help-create-context h2 { margin:7px 0; font-size:28px; }
.admin-help-create-context p { margin:0; color:#637588; line-height:1.7; }
.admin-help-create-context .admin-context-breadcrumb { margin-top:18px; border-top:1px solid #e8edef; padding-top:14px; }
.admin-node-form { gap:16px; }
.admin-document-count { border-radius:999px; background:#eaf4f7; color:#246176; padding:6px 10px; font-size:12px; font-weight:700; }
.admin-form-stack { display:grid; gap:18px; }
.admin-node-settings-panel { border-radius:14px; box-shadow:0 12px 34px rgba(15,47,69,.045); }
.admin-node-row { display:grid; gap:18px; grid-template-columns:1fr 1fr; }
.admin-switch { align-content:center; grid-template-columns:auto 1fr !important; }
.admin-switch input { width:20px !important; height:20px; grid-row:1/3; }
.admin-switch small { grid-column:2; }
.admin-node-actions { flex-wrap:wrap; }
.admin-delete-blocked { align-self:center; max-width:520px; color:#8a651f; font-size:12px; line-height:1.6; }
.admin-recovery-panel h2 { margin:7px 0 10px; font-size:28px; }
.admin-recovery-panel p { color:#66788b; line-height:1.7; }
.admin-recovery-panel dl { display:grid; gap:12px; margin:26px 0; }
.admin-recovery-panel dl div { display:grid; gap:4px; grid-template-columns:100px 1fr; }
.admin-recovery-panel dt { color:#758595; }
.admin-recovery-panel dd { margin:0; color:#263d51; }
.admin-tree-empty { min-height:420px; }

@media (max-width: 1180px) {
  .admin-search-panel { grid-template-columns:2fr repeat(3,1fr); }
  .admin-search-actions { grid-column:1/-1; justify-content:flex-end; }
  .admin-editor-layout { grid-template-columns:minmax(0,1fr) 320px; }
  .admin-tree-workspace { grid-template-columns:350px minmax(0,1fr); }
  .admin-help-context-heading { align-items:stretch; flex-direction:column; }
  .admin-help-context-actions { justify-content:flex-start; }
}

@media (max-width: 900px) {
  .about-story-grid,.company-profile-grid,.help-version { gap:34px; grid-template-columns:1fr; }
  .about-story-grid > header,.company-profile-grid > header { position:static; }
  .about-story-copy,.company-profile-grid > div { border-left:0; border-top:1px solid var(--line); padding:30px 0 0; }
  .about-values-grid { grid-template-columns:1fr; }
  .contact-card-grid { grid-template-columns:1fr 1fr; }
  .contact-qr-card { grid-column:span 2; }
  .help-chapters { grid-template-columns:repeat(2,1fr); }
  .article-layout { grid-template-columns:1fr; }
  .article-related { display:none; }
  .admin-count-grid { grid-template-columns:1fr; }
  .admin-search-panel { grid-template-columns:1fr 1fr; }
  .admin-search-field,.admin-search-actions { grid-column:1/-1; }
  .admin-editor-layout { grid-template-columns:1fr; }
  .admin-editor-sidebar { grid-template-columns:1fr 1fr; }
  .admin-editor-sidebar .admin-settings-panel,.admin-editor-sidebar .admin-details-panel { grid-column:1/-1; }
  .admin-tree-workspace { grid-template-columns:1fr; }
  .admin-tree-pane { position:static; }
  .admin-help-tree { height:420px; }
  .admin-help-context-stats { grid-template-columns:1fr 1fr; }
  .admin-help-context-stats div:nth-child(2) { border-right:0; }
  .admin-help-context-stats div:nth-child(-n+2) { border-bottom:1px solid #e4ebef; }
}

@media (max-width: 780px) {
  .about-hero-mark,.contact-hero-lines,.help-hero-art { display:none; }
  .about-story-section,.about-values-section,.company-profile-section,.team-profile-section,.contact-content-section,.help-content-section { padding-block:58px; }
  .help-toolbar { align-items:stretch; flex-direction:column; margin-bottom:42px; }
  .help-filter { overflow:auto; }
  .help-filter a,.help-filter button { flex:0 0 auto; }
  .help-search { width:100%; }
  .article-header-inner { padding-block:48px 55px; }
  .article-neighbors { grid-template-columns:1fr; }
  .news-content-hero,
  .news-content-hero .content-hero-grid { min-height: 280px; }
  .news-content-hero .content-hero-grid { padding-block: 34px 42px; }
  .news-content-hero .breadcrumb { margin-bottom: 24px; }
  .news-archive-card { min-height: 164px; grid-template-columns: 190px minmax(0,1fr); }
  .news-archive-media { min-height: 164px; }
  .news-archive-copy { padding: 18px 20px; }
  .news-archive-copy h2 { margin-top: 12px; font-size: 19px; }
  .news-archive-copy p { font-size: 15px; -webkit-line-clamp: 1; }
  .about-video-card { margin-top: 28px; border-radius: 13px; }
  .about-video-card figcaption { grid-template-columns: 1fr; padding: 16px; }
  .about-video-card figcaption a { margin-top: 6px; }
  .admin-header { align-items:flex-start; flex-direction:column; gap:14px; padding:16px 24px; }
  .admin-header nav { width:100%; flex-wrap:wrap; gap:12px 18px; }
  .admin-main { width:min(calc(100% - 32px),1320px); padding-block:34px 64px; }
  .admin-form-grid { grid-template-columns:1fr; }
  .admin-field-wide { grid-column:auto; }
  .admin-content-row { gap:14px; grid-template-columns:112px minmax(0,1fr); }
  .admin-content-thumb { width:112px; height:86px; }
  .admin-content-actions { grid-column:2; }
  .admin-editor-sidebar { grid-template-columns:1fr; }
  .admin-editor-sidebar .admin-settings-panel,.admin-editor-sidebar .admin-details-panel { grid-column:auto; }
  .admin-sticky-actions { position:static; align-items:stretch; flex-direction:column; }
  .admin-sticky-actions > div { justify-content:flex-start; }
  .admin-save-hint { line-height:1.6; }
}

@media (max-width: 780px) {
  .help-filter { flex-wrap:wrap; overflow:visible; }
  .help-filter a,.help-filter button { flex:1 1 calc(50% - 8px); text-align:center; }
}

@media (max-width: 560px) {
  .news-archive-list { gap: 12px; }
  .news-archive-card { min-height: 0; border-radius: 14px; grid-template-columns: 116px minmax(0,1fr); }
  .news-archive-media { min-height: 132px; }
  .news-archive-copy { padding: 14px 13px; }
  .news-archive-meta { gap: 8px; }
  .news-archive-meta time { font-size: 12px; }
  .news-archive-copy h2 { margin-top: 10px; font-size: 16px; line-height: 1.5; }
  .news-archive-copy p,
  .news-archive-action { display: none; }
  .pagination {
    display: grid;
    width: 100%;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pagination-pages {
    grid-column: 1 / -1;
    grid-row: 1;
    justify-content: center;
    gap: 6px;
  }
  .pagination-pages a { min-width: 36px; height: 38px; }
  .pagination-control { width: 100%; grid-row: 2; }
  .about-story-grid h2,.company-profile-grid h2 { font-size:30px; }
  .about-story-copy p,.company-profile-grid p { font-size:16px; }
  .about-values-grid article { min-height:auto; }
  .contact-card-grid { grid-template-columns:1fr; }
  .contact-qr-card { align-items:flex-start; grid-column:auto; }
  .contact-qr-card img { width:118px; height:118px; }
  .help-chapters { grid-template-columns:1fr; }
  .help-chapters a { min-height:190px; }
  .article-header h1 { font-size:34px; }
  .article-body { padding:26px 20px; }
  .admin-brand img { width:124px; }
  .admin-page-heading { align-items:flex-start; flex-direction:column; }
  .admin-heading-actions { width:100%; justify-content:flex-start; }
  .admin-heading-actions > * { flex:1 1 auto; }
  .admin-auth-card { padding:28px 22px; }
  .admin-form-panel { padding:22px 18px; }
  .admin-form-actions { align-items:stretch; flex-direction:column; }
  .admin-search-panel { grid-template-columns:1fr; padding:16px; }
  .admin-search-field,.admin-search-actions { grid-column:auto; }
  .admin-search-actions { align-items:stretch; flex-direction:column; }
  .admin-segmented { display:grid; width:100%; grid-template-columns:repeat(2,minmax(0,1fr)); }
  .admin-segmented a { min-width:0; padding-inline:10px; }
  .admin-result-summary { align-items:flex-start; flex-direction:column; gap:4px; }
  .admin-content-row { min-height:0; grid-template-columns:76px minmax(0,1fr); padding:14px; }
  .admin-content-thumb { width:76px; height:76px; }
  .admin-content-copy h2 { font-size:17px; white-space:normal; }
  .admin-content-copy p { display:none; }
  .admin-content-copy small { white-space:normal; }
  .admin-content-actions { grid-column:1/-1; }
  .admin-content-actions a,.admin-content-actions button { width:100%; }
  .admin-title-panel { padding:20px 18px; }
  .admin-title-input { font-size:23px !important; }
  .admin-body-panel .toastui-editor-defaultUI-toolbar { gap:0; padding:4px; }
  .admin-body-panel .toastui-editor-toolbar-group { margin-right:1px; }
  .admin-body-panel .toastui-editor-toolbar-icons { margin:1px; }
  .admin-node-row { grid-template-columns:1fr; }
  .admin-tree-tools > div,.admin-tree-legend { justify-content:space-between; }
  .admin-help-tree { height:360px; }
  .admin-tree-workspace { min-height:0; }
  .admin-tree-pane-header,.admin-help-contents-panel > header { align-items:stretch; flex-direction:column; }
  .admin-help-context-card > .admin-context-breadcrumb { padding-inline:16px; }
  .admin-help-context-heading { padding:20px 18px; }
  .admin-help-context-heading h2,.admin-help-create-context h2 { font-size:23px; }
  .admin-help-context-actions { display:grid; min-width:0; grid-template-columns:1fr; }
  .admin-help-context-actions a { width:100%; }
  .admin-help-context-stats div { padding:14px 15px; }
  .admin-node-row { grid-template-columns:1fr; }
  .admin-help-content-row { grid-template-columns:34px minmax(0,1fr); }
  .admin-help-content-row b { grid-column:2; }
}

/* --------------------------------------------------------------------------
 * 产品体系页：由“产品选择”原型统一派生，但总览、版本、目录和详情分别使用
 * 对应信息任务的布局，避免再次退化为相同 Banner 与卡片的机械堆叠。
 * ----------------------------------------------------------------------- */
.product-page { background: #f6f9fb; }

.product-intro,
.product-version-hero,
.catalog-intro,
.product-detail-header {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(48, 190, 208, .14), transparent 30%),
    linear-gradient(126deg, #071d37 0%, #0a3454 56%, #0a6177 100%);
  color: #fff;
}

.product-intro::after,
.product-version-hero::after,
.catalog-intro::after,
.product-detail-header::after {
  position: absolute;
  right: -160px;
  bottom: -310px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 50%;
  box-shadow: 0 0 0 54px rgba(255, 255, 255, .025), 0 0 0 112px rgba(255, 255, 255, .018);
  content: '';
}

.product-page .breadcrumb { color: rgba(231, 244, 252, .74); }
.product-page .breadcrumb a:hover { color: #fff; }

.product-intro-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 590px;
  align-items: center;
  gap: 54px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-block: 62px 70px;
}

.product-intro-inner > .breadcrumb {
  position: absolute;
  top: 34px;
  left: 0;
}

.product-intro-copy h1,
.product-version-hero h1,
.catalog-intro h1,
.product-detail-header h1 {
  margin: 12px 0 0;
  color: #fff;
  font-size: clamp(42px, 4.2vw, 62px);
  font-weight: 730;
  letter-spacing: -.035em;
  line-height: 1.18;
}

.product-intro-copy h1 { font-size: clamp(42px, 3.9vw, 56px); }

.product-intro-copy > p:last-child,
.product-version-hero-grid > div > p:last-of-type,
.catalog-intro-inner > div > p:last-child,
.product-detail-header .container > p:last-child {
  max-width: 720px;
  margin: 22px 0 0;
  color: rgba(235, 246, 251, .82);
  font-size: 18px;
  line-height: 1.85;
}

.product-intro-visual { margin: 0; }
.product-intro-visual img { width: 100%; filter: drop-shadow(0 32px 36px rgba(0, 0, 0, .25)); }

.product-version-section,
.product-version-content,
.catalog-section,
.product-detail-section { background: #f6f9fb; }

.product-version-nav {
  display: flex;
  width: fit-content;
  max-width: 100%;
  gap: 4px;
  margin: -30px auto 54px;
  overflow: auto;
  border: 1px solid #dce5eb;
  border-radius: 14px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 16px 40px rgba(12, 46, 68, .08);
  padding: 6px;
}

.product-version-nav a {
  flex: 0 0 auto;
  border-radius: 9px;
  color: #526276;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 620;
  white-space: nowrap;
}

.product-version-nav a:hover,
.product-version-nav a.is-current { background: #e9f5f8; color: var(--brand-deep); }

.product-edition-notice {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin: -26px 0 36px;
  border: 1px solid #c9dfe7;
  border-left: 4px solid var(--brand);
  border-radius: 12px;
  background: #eef7f9;
  padding: 18px 22px;
}

.product-edition-notice strong {
  flex: 0 0 auto;
  color: var(--brand-deep);
  font-size: 15px;
}

.product-edition-notice p {
  margin: 0;
  color: #42566b;
  font-size: 15px;
  line-height: 1.7;
}

.product-edition-notice-on-dark {
  margin: 24px 0 0;
  border-color: rgba(141, 219, 229, .34);
  border-left-color: #79d9e2;
  background: rgba(255, 255, 255, .09);
}

.product-edition-notice-on-dark strong { color: #9fe8ee; }
.product-edition-notice-on-dark p { color: rgba(241, 249, 252, .86); }

.product-edition-notice-on-dark + .product-actions { margin-top: 22px; }

.product-version-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-version-card {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border: 1px solid #dbe5eb;
  border-radius: 18px;
  background: #fff;
  padding: 42px;
}

.product-version-card::after {
  position: absolute;
  right: -84px;
  bottom: -96px;
  width: 220px;
  height: 220px;
  border: 1px solid #d8eaf0;
  border-radius: 50%;
  content: '';
}

.product-version-card > span { color: var(--brand); font-size: 14px; font-weight: 700; letter-spacing: .08em; }
.product-version-card h2 { margin: 18px 0 0; font-size: 27px; line-height: 1.35; }
.product-version-card p { max-width: 510px; margin: 20px 0 0; color: #59697c; line-height: 1.85; }
.product-version-card-actions { position: absolute; z-index: 1; right: 42px; bottom: 34px; left: 42px; display: flex; align-items: center; gap: 10px 18px; flex-wrap: wrap; }
.product-version-card-actions a { color: var(--brand-deep); font-weight: 680; }
.product-version-card-actions .product-version-card-download { border-radius: 999px; background: var(--brand); color: #fff; padding: 9px 15px; box-shadow: 0 9px 20px rgba(10, 127, 195, .18); }
.product-version-card-actions .product-version-card-download:hover { background: var(--brand-deep); }

.product-next-step { background: #fff; padding-block: 52px; }
.product-next-step-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.product-next-step-inner span { color: var(--brand); font-size: 14px; font-weight: 680; }
.product-next-step-inner h2 { margin: 8px 0 0; font-size: 28px; }

.product-version-hero .container { position: relative; z-index: 1; padding-block: 38px 78px; }
.product-saas-version-hero .container { padding-right: 170px; }
.product-version-hero .breadcrumb { margin-bottom: 50px; }
.product-version-hero-grid { display: grid; align-items: center; gap: 72px; grid-template-columns: minmax(0, 1fr) minmax(420px, .94fr); }
.product-version-hero-grid figure { display: flex; min-height: 360px; align-items: center; justify-content: center; margin: 0; }
.product-version-hero-grid figure img { max-height: 410px; filter: drop-shadow(0 28px 36px rgba(0, 0, 0, .28)); object-fit: contain; }
.product-mobile-version-hero .container { padding-block: 30px 54px; }
.product-mobile-version-hero .breadcrumb { margin-bottom: 32px; }
.product-mobile-hero { gap: 56px; }
.product-mobile-hero .product-mobile-device-frame {
  width: auto;
  min-height: 0;
  aspect-ratio: auto;
  justify-self: start;
  overflow: visible;
  border-radius: 0;
  background: transparent;
  filter: none;
}
.product-mobile-hero .product-mobile-device-frame img {
  position: static;
  width: auto;
  max-width: 100%;
  height: 420px;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(0, 0, 0, .24));
  transform: none;
}
.product-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.product-version-hero .button-secondary { border-color: rgba(255, 255, 255, .5); background: rgba(255, 255, 255, .08); color: #fff; }
.product-text-link { margin-left: 8px; color: #8ce3ec; font-size: 15px; font-weight: 650; }

.product-media-grid { display: grid; align-items: start; gap: 26px; grid-template-columns: minmax(0, 1.42fr) minmax(300px, .58fr); }
.product-media-grid figure { margin: 0; overflow: hidden; border: 1px solid #dbe5eb; border-radius: 17px; background: #fff; box-shadow: 0 18px 44px rgba(12, 46, 68, .06); }
.product-media-grid figcaption { border-bottom: 1px solid #e2e9ee; padding: 25px 28px; }
.product-media-grid figcaption span { color: var(--brand); font-size: 13px; font-weight: 700; }
.product-media-grid figcaption h2 { margin: 6px 0 0; font-size: 22px; }
.product-media-grid figure > img { width: 100%; height: auto; }
.product-media-grid .product-qr-image { width: min(100%, 320px); margin: 42px auto; }

.product-section-heading { margin: 0 0 30px; }
.product-section-heading span { color: var(--brand); font-size: 14px; font-weight: 680; }
.product-section-heading h2 { margin: 8px 0 0; font-size: 30px; }
.download-task-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.download-task-grid a { display: grid; min-height: 250px; border: 1px solid #dbe5eb; border-radius: 16px; background: #fff; padding: 30px; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.download-task-grid a:hover { border-color: #b8d6e2; box-shadow: 0 20px 42px rgba(11, 53, 81, .09); transform: translateY(-3px); }
.download-task-grid i { color: #a4b2c0; font-size: 13px; font-style: normal; }
.download-task-grid strong { margin-top: 25px; font-size: 23px; }
.download-task-grid span { margin-top: 9px; color: #5e6d7f; }
.download-task-grid b { align-self: end; margin-top: 26px; color: var(--brand-deep); font-size: 14px; }

.mobile-download-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mobile-download-grid article { display: flex; min-height: 420px; flex-direction: column; align-items: center; border: 1px solid #dbe5eb; border-radius: 17px; background: #fff; padding: 28px 20px 24px; text-align: center; }
.mobile-download-grid article > span { color: var(--brand); font-size: 13px; font-weight: 680; }
.mobile-download-grid h2 { margin: 6px 0 24px; font-size: 21px; }
.mobile-download-grid img { width: min(100%, 210px); max-height: 240px; object-fit: contain; }
.mobile-download-grid p { margin: auto 0 0; color: #647386; font-size: 14px; }
.mobile-store-copy { display: flex; min-height: 220px; align-items: center; justify-content: center; color: #405269; font-size: 16px; line-height: 1.85; }

.mobile-download-grid .local-mini-program-image {
  width: min(100%, 210px);
  max-height: 240px;
  object-fit: contain;
}

.local-tool-grid { display: grid; gap: 20px; grid-template-columns: 1.22fr .89fr .89fr; }
.local-tool-card { display: flex; min-width: 0; min-height: 390px; flex-direction: column; align-items: flex-start; border: 1px solid #dbe5eb; border-radius: 18px; background: #fff; padding: 34px; box-shadow: 0 18px 44px rgba(11, 48, 74, .055); }
.local-tool-card > span { color: var(--brand); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.local-tool-card h2 { margin: 10px 0 0; font-size: 25px; line-height: 1.4; }
.local-tool-card p { margin: 18px 0 0; color: #596b7f; line-height: 1.85; }
.local-tool-actions { display: flex; width: 100%; align-items: flex-start; gap: 16px; margin-top: auto; flex-direction: column; }
.local-tool-mini-program { align-items: center; text-align: center; }
.local-tool-mini-program img { width: min(100%, 210px); margin: 24px auto 0; border-radius: 12px; }
.local-tool-mini-program p { margin-top: auto; }
.local-tool-remote .button { margin-top: auto; }

.compact-product-hero .container { padding-bottom: 54px; }
.compact-product-hero .product-version-hero-grid figure { min-height: 220px; }
.compact-product-hero .product-version-hero-grid figure img { max-height: 260px; }
.legacy-download-list { display: grid; gap: 22px; grid-template-columns: 1.16fr .84fr; }
.legacy-download-list article { border: 1px solid #dbe5eb; border-radius: 17px; background: #fff; padding: 38px; }
.legacy-download-list span { color: var(--brand); font-size: 14px; font-weight: 680; }
.legacy-download-list h2 { margin: 10px 0 20px; font-size: 26px; }
.legacy-download-list p,
.legacy-download-list li { color: #536477; line-height: 1.85; }
.legacy-download-list li + li { margin-top: 9px; }
.legacy-download-list .button { margin-top: 20px; }

.catalog-intro-inner { position: relative; z-index: 1; padding-block: 40px 72px; }
.catalog-intro-inner .breadcrumb { margin-bottom: 48px; }
.product-groups { display: grid; gap: 86px; }
.product-group { display: grid; align-items: start; gap: 46px; grid-template-columns: 180px minmax(0, 1fr); }
.product-group > header { position: sticky; top: 112px; border-top: 3px solid var(--brand); padding-top: 20px; }
.product-group > header span { color: #94a5b4; font-size: 13px; }
.product-group > header h2 { margin: 8px 0 0; font-size: 28px; }
.product-catalog-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.product-catalog-card { display: flex; min-height: 430px; overflow: hidden; border: 1px solid #dbe5eb; border-radius: 16px; background: #fff; flex-direction: column; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.product-catalog-card:hover { border-color: #b8d6e2; box-shadow: 0 20px 42px rgba(11, 53, 81, .09); transform: translateY(-3px); }
.product-catalog-media { overflow: hidden; aspect-ratio: 266 / 141; background: #edf3f6; }
.product-catalog-media img { width: 100%; height: 100%; object-fit: contain; transition: transform .28s ease; }
.product-catalog-card:hover .product-catalog-media img { transform: scale(1.025); }
.product-catalog-card > div:last-child { display: flex; min-width: 0; min-height: 210px; flex: 1; flex-direction: column; padding: 25px 24px; }
.product-catalog-card span { color: #98a7b5; font-size: 12px; }
.product-catalog-card h3 { margin: 8px 0 0; font-size: 21px; line-height: 1.4; }
.product-catalog-card p { display: -webkit-box; margin: 12px 0 0; overflow: hidden; color: #617083; font-size: 14px; line-height: 1.7; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.product-catalog-card b { margin-top: auto; color: var(--brand-deep); font-size: 13px; }
.product-catalog-card b i { font-style: normal; }

.product-detail-header .container { position: relative; z-index: 1; padding-block: 38px 70px; }
.product-detail-header .breadcrumb { margin-bottom: 46px; }
.product-detail-header h1 { font-size: clamp(40px, 4vw, 56px); }
.product-detail-header .container > p:last-child { max-width: 760px; }
.product-detail-layout { width: min(100%, 980px); }
.product-detail-body { overflow: hidden; border: 1px solid #dbe5eb; border-radius: 18px; background: #fff; box-shadow: 0 20px 52px rgba(11, 48, 74, .07); }
.product-detail-body > p { margin: 0; padding: clamp(34px, 6vw, 72px); color: #425469; font-size: 18px; line-height: 2; }
.product-detail-body > p + p { padding-top: 0; }
.official-product-poster { margin: 0; }
.official-product-poster img { width: 100%; height: auto; }
.product-detail-neighbors { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 26px; }
.product-detail-neighbors a { border: 1px solid #dbe5eb; border-radius: 13px; background: #fff; padding: 20px 24px; }
.product-detail-neighbors a:last-child { text-align: right; }
.product-detail-neighbors span { color: #7a8998; font-size: 13px; }
.product-detail-neighbors strong { display: block; margin-top: 5px; font-size: 16px; }
.product-detail-actions { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 32px; }
.product-detail-actions > a { color: var(--brand-deep); font-weight: 650; }

@media (max-width: 1100px) {
  .product-intro-inner { min-height: 520px; grid-template-columns: minmax(0, .96fr) minmax(400px, 1.04fr); }
  .product-version-hero-grid { gap: 38px; grid-template-columns: minmax(0, 1fr) minmax(350px, .85fr); }
  .mobile-download-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-version-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .local-tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .local-tool-download { grid-column: span 2; min-height: 320px; }
  .product-group { gap: 30px; grid-template-columns: 140px minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .product-intro-inner,
  .product-version-hero-grid { grid-template-columns: 1fr; }
  .product-intro-inner { padding-top: 106px; }
  .product-intro-visual { max-width: 680px; }
  .product-version-hero-grid figure { min-height: 260px; justify-content: flex-start; }
  .product-version-hero-grid figure img { max-height: 330px; }
  .product-mobile-hero .product-mobile-device-frame { justify-self: center; }
  .product-mobile-hero .product-mobile-device-frame img { height: 320px; max-height: 320px; }
  .product-media-grid { grid-template-columns: 1fr; }
  .product-group { grid-template-columns: 1fr; }
  .product-group > header { position: static; }
  .legacy-download-list { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .product-version-section,
  .product-version-content,
  .catalog-section,
  .product-detail-section { padding-block: 58px 72px; }
  .product-version-nav { justify-content: flex-start; margin: -20px 0 38px; }
  .product-edition-notice { margin-top: -18px; }
  .product-version-grid,
  .download-task-grid,
  .local-tool-grid,
  .product-catalog-grid { grid-template-columns: 1fr; }
  .local-tool-download { grid-column: span 1; }
  .product-version-card { min-height: 300px; }
  .product-next-step-inner { align-items: flex-start; flex-direction: column; }
  .product-version-hero .container { padding-block: 32px 58px; }
  .product-saas-version-hero .container { padding-right: 0; }
  .product-version-hero .breadcrumb,
  .catalog-intro-inner .breadcrumb,
  .product-detail-header .breadcrumb { margin-bottom: 32px; }
  .product-version-hero-grid figure { display: none; }
  .catalog-intro-inner { padding-block: 32px 54px; }
  .product-detail-header .container { padding-block: 32px 56px; }
}

@media (max-width: 560px) {
  .product-intro-inner { min-height: auto; display: block; padding-block: 92px 54px; }
  .product-intro-inner > .breadcrumb { top: 26px; }
  .product-intro-copy h1,
  .product-version-hero h1,
  .catalog-intro h1,
  .product-detail-header h1 { font-size: 38px; }
  .product-intro-copy > p:last-child,
  .product-version-hero-grid > div > p:last-of-type,
  .catalog-intro-inner > div > p:last-child,
  .product-detail-header .container > p:last-child { font-size: 16px; }
  .product-intro-visual { margin-top: 34px; }
  .product-version-nav { width: 100%; }
  .product-version-nav { flex-wrap: wrap; overflow: visible; }
  .product-version-nav a { flex: 1 1 calc(50% - 4px); text-align: center; }
  .product-edition-notice { gap: 7px; margin-bottom: 28px; padding: 16px 18px; flex-direction: column; }
  .product-version-card { min-height: 305px; border-radius: 14px; padding: 30px 26px; }
  .product-version-card h2 { font-size: 24px; }
  .product-version-card p { font-size: 15px; }
  .product-version-card-actions { right: 26px; bottom: 24px; left: 26px; }
  .product-next-step { padding-block: 42px; }
  .product-next-step-inner h2 { font-size: 24px; }
  .product-actions { align-items: stretch; flex-direction: column; }
  .product-actions .button { width: 100%; }
  .product-text-link { margin: 4px 0 0; text-align: center; }
  .download-task-grid a { min-height: 230px; padding: 26px 22px; }
  .mobile-download-grid { grid-template-columns: 1fr; }
  .mobile-download-grid article { min-height: 390px; }
  .local-tool-card { min-height: 340px; padding: 28px 24px; }
  .legacy-download-list article { padding: 28px 22px; }
  .product-catalog-card { min-height: 0; }
  .product-catalog-card > div:last-child { min-height: 205px; }
  .product-catalog-card > div:last-child { padding: 18px 16px; }
  .product-catalog-card h3 { font-size: 18px; }
  .product-catalog-card p { font-size: 13px; -webkit-line-clamp: 2; }
  .product-detail-body { border-radius: 12px; }
  .product-detail-neighbors { grid-template-columns: 1fr; }
  .product-detail-neighbors a:last-child { text-align: left; }
  .product-detail-actions { align-items: stretch; flex-direction: column-reverse; text-align: center; }
  /* 小屏不使用覆盖正文的固定按钮；导航和页尾保留咨询入口。 */
  .consult-launcher {
    position: static;
    width: 100%;
    min-height: 60px;
    justify-content: center;
    margin: 0;
    border-radius: 0;
  }
  .consult-launcher > span:last-child { display: inline; }
  .back-to-top { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .product-catalog-card,
  .product-catalog-media img,
  .download-task-grid a { transition: none; }
}

/* --------------------------------------------------------------------------
 * 隐私说明与异常状态页
 * 使用与正文页一致的蓝青品牌体系，优先保证长文本阅读、明确返回路径与移动端行宽。
 * ----------------------------------------------------------------------- */
.legal-header {
  padding: 92px 0 72px;
  background: linear-gradient(128deg, #082c49 0%, #075777 58%, #0789a0 100%);
  color: #fff;
}

.legal-header .breadcrumb,
.legal-header .breadcrumb a { color: rgba(255, 255, 255, .7); }
.legal-header .content-hero-eyebrow { color: #74d7e7; }
.legal-header h1 { margin: 16px 0 12px; font-size: clamp(38px, 5vw, 58px); }
.legal-header-inner > p:last-child { max-width: 760px; margin: 0; color: rgba(255, 255, 255, .76); font-size: 17px; line-height: 1.9; }
.legal-section { background: #f5f8fa; }
.legal-document { max-width: 940px; padding: 58px 70px; border: 1px solid #dfe8ed; border-radius: 18px; background: #fff; box-shadow: 0 18px 44px rgba(14, 54, 78, .06); }
.legal-document section + section { margin-top: 38px; padding-top: 34px; border-top: 1px solid #e7edef; }
.legal-document h2 { margin: 0 0 14px; color: #142c3d; font-size: 24px; }
.legal-document p { margin: 0; color: #526777; font-size: 16px; line-height: 2; }
.legal-document p + p { margin-top: 10px; }
.legal-document .button { margin-top: 22px; }

.status-page { display: grid; min-height: 72vh; place-items: center; padding: 64px 20px; background: radial-gradient(circle at 50% 15%, #e5f7fa, #f5f8fa 48%, #fff); }
.status-panel { max-width: 720px; padding: 64px; border: 1px solid #dbe8ed; border-radius: 20px; background: rgba(255, 255, 255, .94); box-shadow: 0 24px 70px rgba(8, 49, 73, .09); text-align: center; }
.status-code { display: grid; width: 62px; height: 62px; margin: 0 auto 22px; place-items: center; border-radius: 50%; background: #e4f6f8; color: #087d98; font-size: 32px; font-weight: 750; }
.status-panel h1 { margin: 14px 0 12px; font-size: clamp(32px, 5vw, 48px); }
.status-panel > p:not(.content-hero-eyebrow) { max-width: 560px; margin: 0 auto; color: #5c6e7c; font-size: 17px; line-height: 1.8; }
.status-actions { display: flex; justify-content: center; gap: 14px; margin-top: 30px; }
.status-panel small { display: block; margin-top: 28px; color: #8a98a3; overflow-wrap: anywhere; }

@media (max-width: 560px) {
  .clients .client-grid {
    gap: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .clients .client-logo {
    min-height: 128px;
    gap: 11px;
    border-radius: 13px;
    padding: 17px 8px 13px;
  }

  .clients .client-logo img {
    width: auto;
    max-width: 88%;
    height: 49px;
    max-height: 49px;
  }

  .clients .client-logo > span,
  .clients .client-logo > figcaption {
    min-height: 36px;
    font-size: 13px;
  }

  .home-news-card {
    display: flex;
    border-radius: 15px;
  }

  .home-news-media {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .home-news-copy {
    min-height: 236px;
    padding: 20px;
  }

  .home-news-copy h3 {
    font-size: 19px;
  }

  .home-news-copy p {
    font-size: 15px;
  }

  .legal-header { padding: 58px 0 48px; }
  .legal-header h1 { font-size: 36px; }
  .legal-header-inner > p:last-child { font-size: 15px; }
  .legal-section { padding-block: 24px 38px; }
  .legal-document { padding: 30px 22px; border-radius: 12px; }
  .legal-document h2 { font-size: 21px; }
  .legal-document p { font-size: 15px; line-height: 1.9; }
  .status-page { min-height: 68vh; padding: 32px 12px; }
  .status-panel { padding: 40px 20px; border-radius: 14px; }
  .status-actions { align-items: stretch; flex-direction: column; }
}

/*
 * 在线咨询的核心职责是“持续可达且无需猜测用途”。
 * 因此默认态直接显示中文名称，不再把文字藏进悬停提示；尺寸只保留图标和一行主文字。
 */
body > .consult-launcher {
  position: fixed;
  z-index: 70;
  right: 24px;
  top: 50%;
  bottom: auto;
  display: inline-flex;
  width: auto;
  min-width: 126px;
  min-height: 56px;
  justify-content: flex-start;
  gap: 10px;
  padding: 7px 16px 7px 8px;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(6, 55, 82, .97), rgba(7, 126, 145, .97));
  box-shadow: 0 16px 38px rgba(4, 42, 63, .24), inset 0 1px rgba(255, 255, 255, .18);
  color: #fff;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translateY(-50%);
  transition: box-shadow 160ms ease, background-color 160ms ease;
}
body > .consult-launcher:hover {
  background: linear-gradient(135deg, #063d5a, #07879a);
  box-shadow: 0 19px 44px rgba(4, 42, 63, .3), inset 0 1px rgba(255, 255, 255, .2);
  filter: none;
}
body > .consult-launcher .consult-launcher-icon {
  display: grid;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 11px;
  background: rgba(255,255,255,.13);
}
body > .consult-launcher .consult-launcher-icon::after { top: -2px; right: -2px; border-color: #087c91; }
body > .consult-launcher .consult-launcher-icon svg { width: 22px; height: 22px; }
.consult-launcher-copy {
  position: static;
  visibility: visible;
  display: flex !important;
  width: auto;
  align-items: center;
  color: #fff;
  line-height: 1;
  opacity: 1;
  transform: none;
}
.consult-launcher-copy::after { display: none; }
.consult-launcher-copy strong { font-size: 16px; font-weight: 720; letter-spacing: .02em; white-space: nowrap; }
.consult-launcher-copy small { display: none; }

@media (max-width: 560px) {
  body > .consult-launcher {
    right: 8px;
    top: 50%;
    bottom: auto;
    width: 52px;
    min-width: 52px;
    min-height: 112px;
    justify-content: center;
    gap: 5px;
    padding: 7px 6px;
    border-radius: 18px;
    flex-direction: column;
  }
  body > .consult-launcher .consult-launcher-icon { width: 36px; height: 36px; flex-basis: 36px; border-radius: 10px; }
  body > .consult-launcher .consult-launcher-copy { display: flex !important; }
  .consult-launcher-copy strong { font-size: 14px; letter-spacing: .08em; writing-mode: vertical-rl; }
}

/* 帮助页同样保持入口可见；位置与全站一致，不再被页面规则移入文档流。 */
body:has(.help-workspace-page) > .consult-launcher {
  position: fixed;
}

@media (max-width: 780px) {
  .home-carousel-viewport { height: 720px; }
  .home-carousel .hero-inner { height: 100%; padding-bottom: 92px; }
  .hero-feature-link { justify-content: flex-start; flex-direction: column; padding: 52px 18px 88px; }
  .hero-feature-link > img { width: min(100%, 760px); height: auto; max-height: 380px; object-fit: contain; }
  .hero-feature-mobile-copy { display: grid; justify-items: center; margin-top: 24px; color: #fff; text-align: center; }
  .hero-feature-mobile-copy strong { font-size: clamp(25px, 6vw, 34px); line-height: 1.25; }
  .hero-feature-mobile-copy small { margin-top: 8px; color: rgba(233, 246, 255, .84); font-size: 16px; }
  .hero-feature-mobile-copy b { margin-top: 18px; border-radius: 999px; background: #ffca45; color: #07316f; padding: 10px 20px; font-size: 15px; }
}

@media (max-width: 560px) {
  .home-carousel-viewport { height: 590px; }
  .home-carousel .hero-inner { padding-bottom: 86px; }
  .hero-feature-link { padding: 58px 14px 82px; }
  .hero-feature-link > img { max-height: 260px; }
  .hero-feature-mobile-copy { margin-top: 26px; }
  .home-carousel-controls { bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .home-carousel-slide.is-active { animation: none; }
}