/* 腾讯云官网级视觉 — 布局/导航/Hero/页脚对齐 cloud.tencent.com 风格 */
:root {
  --tc-blue: #0052d9;
  --tc-blue-hover: #003fb5;
  --tc-blue-soft: #e8f1ff;
  --tc-blue-grad-end: #00a4ff;
  --tc-text: #000000;
  --tc-text-secondary: #4b5b76;
  --tc-text-muted: #888888;
  --tc-border: #e5e8ed;
  --tc-border-light: #ebebeb;
  --tc-bg: #ffffff;
  --tc-bg-page: #f5f5f5;
  --tc-topbar-bg: #fafafa;
  --tc-header-h: 60px;
  --tc-topbar-h: 36px;
  --tc-radius: 2px;
  --tc-shadow: 0 8px 24px rgba(0, 46, 153, 0.08);
  --tc-shadow-nav: 0 8px 28px rgba(0, 0, 0, 0.08);
  --tc-max: 1200px;
}

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;
  color: var(--tc-text);
  background: var(--tc-bg-page);
  line-height: 1.5;
}

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

a:hover {
  color: var(--tc-blue);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.tc-wrap {
  max-width: var(--tc-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ----- 顶栏（浅灰，对齐腾讯云顶部辅助链接） ----- */
.tc-topbar {
  background: var(--tc-topbar-bg);
  border-bottom: 1px solid var(--tc-border-light);
  color: var(--tc-text-muted);
  font-size: 12px;
  line-height: var(--tc-topbar-h);
  height: var(--tc-topbar-h);
}

.tc-topbar-inner {
  max-width: var(--tc-max);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.tc-topbar-slogan {
  color: var(--tc-text-secondary);
}

.tc-topbar-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 8px;
  justify-content: flex-end;
}

.tc-topbar-right a {
  color: var(--tc-text-secondary);
}

.tc-topbar-right a:hover {
  color: var(--tc-blue);
}

.tc-topbar-sep {
  color: #d0d0d0;
  user-select: none;
}

/* ----- 主导航 ----- */
.tc-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--tc-header-h);
  background: var(--tc-bg);
  border-bottom: 1px solid var(--tc-border);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
  overflow: visible;
}

.tc-header-inner {
  max-width: var(--tc-max);
  margin: 0 auto;
  padding: 0 20px;
  min-height: var(--tc-header-h);
  display: flex;
  align-items: center;
  gap: 24px;
}

.tc-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 20px;
  color: var(--tc-text);
  flex-shrink: 0;
}

.tc-logo-svg {
  flex-shrink: 0;
  display: block;
}

.tc-logo-text {
  letter-spacing: 0.02em;
}

.tc-logo-img {
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}

.tc-support-card {
  border: 1px solid var(--tc-border);
  border-radius: 8px;
  padding: 20px;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
.tc-support-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--tc-text);
}
.tc-support-card p {
  margin: 0 0 16px;
  color: #666;
  font-size: 14px;
  line-height: 1.6;
}
.tc-support-card .tc-btn {
  display: inline-block;
}

.tc-nav-toggle {
  display: none;
  margin-left: auto;
  width: 40px;
  height: 40px;
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  background: #fff;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.tc-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #333;
  border-radius: 1px;
}

.tc-nav {
  flex: 1;
  display: flex;
  align-items: stretch;
  gap: 0;
  min-width: 0;
  overflow-x: auto;
  overflow-y: visible;
  flex-wrap: nowrap;
  scrollbar-width: none;
}

.tc-nav::-webkit-scrollbar {
  display: none;
}

.tc-nav-item {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--tc-text);
  white-space: nowrap;
}

/* 当前模板多数项为 <a class="tc-nav-item">，需直接命中 a，否则无下划线/字号 */
a.tc-nav-item {
  padding: 0 10px;
  height: var(--tc-header-h);
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  color: inherit;
  font-size: 14px;
}

a.tc-nav-item:hover,
a.tc-nav-item.is-active {
  color: var(--tc-blue);
  border-bottom-color: var(--tc-blue);
}

.tc-nav-item > a:not(.tc-nav-link) {
  padding: 0 10px;
  height: var(--tc-header-h);
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  color: inherit;
  font-size: 14px;
}

.tc-nav-item > a:not(.tc-nav-link):hover,
.tc-nav-item > a:not(.tc-nav-link).is-active {
  color: var(--tc-blue);
  border-bottom-color: var(--tc-blue);
}

.tc-nav-link {
  padding: 0 10px;
  height: var(--tc-header-h);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border-bottom: 2px solid transparent;
  color: inherit;
  font-size: 14px;
}

.tc-nav-chevron {
  display: inline-block;
  margin-top: 1px;
  font-size: 9px;
  line-height: 1;
  opacity: 0.42;
  transform: scaleY(0.72);
}

.tc-has-mega:hover .tc-nav-link,
.tc-has-mega:focus-within .tc-nav-link {
  color: var(--tc-blue);
  border-bottom-color: var(--tc-blue);
}

.tc-nav-link.is-active {
  color: var(--tc-blue);
  border-bottom-color: var(--tc-blue);
}

.tc-has-mega {
  position: static;
}

.tc-mega {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  padding-top: 0;
  background: var(--tc-bg);
  border-top: 1px solid var(--tc-border);
  box-shadow: var(--tc-shadow-nav);
  z-index: 999;
}

.tc-has-mega:hover .tc-mega,
.tc-has-mega:focus-within .tc-mega {
  display: block;
}

.tc-mega-wrap {
  padding: 28px 20px 20px;
  max-width: var(--tc-max);
}

.tc-mega-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px 32px;
}

@media (max-width: 1100px) {
  .tc-mega-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tc-mega-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--tc-text);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--tc-border);
}

.tc-mega-col a {
  display: block;
  font-size: 13px;
  color: var(--tc-text-secondary);
  padding: 6px 0;
  line-height: 1.4;
}

.tc-mega-col a:hover {
  color: var(--tc-blue);
}

.tc-mega-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--tc-border);
  text-align: center;
}

.tc-mega-foot a {
  font-size: 13px;
  color: var(--tc-blue);
}

.tc-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.tc-search {
  display: flex;
  align-items: center;
  border: 1px solid #e7e7e7;
  border-radius: 16px;
  overflow: visible;
  background: #fff;
  height: 32px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  z-index: 20;
}

.tc-search:focus-within {
  border-color: var(--tc-blue);
  box-shadow: 0 0 0 1px rgba(0, 82, 217, 0.12);
}

.tc-search input {
  border: 0;
  outline: 0;
  padding: 4px 4px 4px 12px;
  width: 148px;
  font-size: 13px;
  color: var(--tc-text);
  background: transparent;
}

.tc-search input::placeholder {
  color: #b0b0b0;
}

.tc-search-btn {
  border: 0;
  background: transparent;
  padding: 6px 10px 6px 6px;
  cursor: pointer;
  color: #9a9a9a;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tc-search-btn:hover {
  color: var(--tc-blue);
}

.tc-search-suggest {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(360px, calc(100vw - 32px));
  max-height: min(360px, 52vh);
  overflow: auto;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12), 0 2px 8px rgba(0, 82, 217, 0.06);
  z-index: 60;
  -webkit-overflow-scrolling: touch;
}

.tc-search-suggest-inner {
  padding: 6px 0;
}

.tc-search-suggest-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--tc-text);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  transition: background 0.15s ease;
}

.tc-search-suggest-item:last-child {
  border-bottom: 0;
}

.tc-search-suggest-item:hover,
.tc-search-suggest-item:focus-visible {
  background: linear-gradient(90deg, rgba(0, 82, 217, 0.06), rgba(0, 164, 255, 0.04));
  outline: 0;
}

.tc-search-suggest-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  color: #0f172a;
}

.tc-search-suggest-desc {
  font-size: 12px;
  line-height: 1.45;
  color: #64748b;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tc-search-suggest-item--hint,
.tc-search-suggest-item--empty {
  padding: 12px 14px;
  font-size: 13px;
  color: #64748b;
  border: 0;
  cursor: default;
}

.tc-search-suggest-item--empty strong {
  color: #0f172a;
  font-weight: 600;
}

.tc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  height: 32px;
  font-size: 14px;
  border-radius: var(--tc-radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.tc-btn--text {
  background: transparent;
  border-color: transparent;
  color: var(--tc-text-secondary);
}

.tc-btn--text:hover {
  color: var(--tc-blue);
}

.tc-btn--ghost {
  background: #fff;
  border-color: var(--tc-border);
  color: var(--tc-text);
}

.tc-btn--ghost:hover {
  border-color: var(--tc-blue);
  color: var(--tc-blue);
}

.tc-btn--primary {
  background: var(--tc-blue);
  color: #fff;
  border-radius: var(--tc-radius);
  font-weight: 500;
}

.tc-btn--primary:hover {
  background: var(--tc-blue-hover);
  color: #fff;
}

.tc-btn--outline {
  background: #fff;
  border: 1px solid var(--tc-blue);
  color: var(--tc-blue);
}

.tc-btn--outline:hover {
  background: var(--tc-blue-soft);
}

.tc-btn--lg {
  height: 40px;
  padding: 0 24px;
  font-size: 15px;
}

/* 抽屉与遮罩 */
.tc-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1001;
}

.tc-nav-backdrop[hidden] {
  display: none !important;
}

.tc-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 88vw);
  max-width: 100vw;
  height: 100%;
  background: #fff;
  z-index: 1002;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform 0.25s ease;
}

.tc-drawer.is-open {
  transform: translateX(0);
}

.tc-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--tc-border);
}

.tc-drawer-title {
  font-weight: 600;
  font-size: 16px;
}

.tc-drawer-close {
  border: 0;
  background: transparent;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  color: #666;
}

.tc-drawer-body {
  padding: 12px 0;
  display: flex;
  flex-direction: column;
}

.tc-drawer-body a {
  padding: 12px 20px;
  font-size: 15px;
  color: var(--tc-text);
  border-bottom: 1px solid #f0f0f0;
}

.tc-drawer-body a:hover {
  background: var(--tc-blue-soft);
  color: var(--tc-blue);
}

@media (max-width: 1200px) {
  .tc-nav {
    display: none;
  }
  .tc-nav-toggle {
    display: flex;
  }
  .tc-search input {
    width: 88px;
  }
}

@media (max-width: 640px) {
  .tc-topbar-left {
    display: none;
  }
  .tc-header-actions .tc-btn--text {
    display: none;
  }
}

/* ----- Hero ----- */
.tc-hero--full {
  position: relative;
  padding: 48px 0 64px;
  overflow: hidden;
  border-bottom: 1px solid var(--tc-border);
}

.tc-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #f5f9ff 0%, #ffffff 55%, #f0f5ff 100%);
  pointer-events: none;
}

.tc-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(0, 82, 217, 0.07) 1px, transparent 0);
  background-size: 28px 28px;
  opacity: 0.85;
}

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

.tc-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 960px) {
  .tc-hero-grid {
    grid-template-columns: 1fr;
  }
}

.tc-hero-kicker {
  font-size: 14px;
  color: var(--tc-blue);
  font-weight: 600;
  margin-bottom: 12px;
}

.tc-hero-title {
  font-size: 44px;
  line-height: 1.15;
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  color: #000;
}

@media (max-width: 640px) {
  .tc-hero-title {
    font-size: 28px;
  }
}

.tc-hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--tc-text-secondary);
  margin: 0 0 28px;
  max-width: 520px;
}

.tc-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.tc-hero-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 13px;
  color: var(--tc-text-muted);
}

.tc-hero-bullets li {
  position: relative;
  padding-left: 14px;
}

.tc-hero-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tc-blue);
}

.tc-hero-visual {
  position: relative;
  min-height: 300px;
}

.tc-hero-orbit {
  position: relative;
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tc-hero-globe {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff, #c8e2ff 45%, #6eb6ff 100%);
  box-shadow: 0 20px 60px rgba(0, 82, 217, 0.25), inset 0 0 40px rgba(255, 255, 255, 0.5);
  position: relative;
  z-index: 2;
}

.tc-hero-ring {
  position: absolute;
  border: 1px solid rgba(0, 82, 217, 0.25);
  border-radius: 50%;
  pointer-events: none;
}

.tc-hero-ring--1 {
  width: 240px;
  height: 240px;
  animation: tc-spin 24s linear infinite;
}

.tc-hero-ring--2 {
  width: 300px;
  height: 300px;
  border-color: rgba(0, 82, 217, 0.12);
  animation: tc-spin 32s linear infinite reverse;
}

@keyframes tc-spin {
  to {
    transform: rotate(360deg);
  }
}

.tc-hero-node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--tc-blue);
  box-shadow: 0 0 0 4px rgba(0, 82, 217, 0.2);
  z-index: 3;
}

.tc-hero-node--a {
  top: 18%;
  right: 12%;
}
.tc-hero-node--b {
  bottom: 22%;
  left: 8%;
}
.tc-hero-node--c {
  top: 52%;
  right: 4%;
}

/* ----- 区块 ----- */
.tc-section {
  padding: 56px 0;
}

.tc-section--white {
  background: #fff;
}

.tc-section--tight {
  padding-top: 48px;
}

.tc-section-head {
  text-align: center;
  margin-bottom: 36px;
}

.tc-section-title {
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 10px;
  color: #000;
}

.tc-section-sub {
  font-size: 14px;
  color: var(--tc-text-muted);
  margin: 0;
}

/* Tabs */
.tc-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}

.tc-tab {
  border: 1px solid var(--tc-border);
  background: #fff;
  color: var(--tc-text-secondary);
  padding: 8px 18px;
  font-size: 14px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s;
}

.tc-tab:hover {
  border-color: var(--tc-blue);
  color: var(--tc-blue);
}

.tc-tab.is-active {
  background: var(--tc-blue);
  border-color: var(--tc-blue);
  color: #fff;
}

.tc-tab-panel[hidden] {
  display: none !important;
}

/* 产品网格 */
.tc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

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

@media (max-width: 1024px) {
  .tc-grid--5 {
    grid-template-columns: repeat(3, 1fr);
  }
  .tc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .tc-grid--5 {
    grid-template-columns: repeat(2, 1fr);
  }
  .tc-grid {
    grid-template-columns: 1fr;
  }
}

.tc-card {
  background: #fff;
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  padding: 20px 16px;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.tc-card:hover {
  box-shadow: var(--tc-shadow);
  border-color: rgba(0, 82, 217, 0.35);
  transform: translateY(-2px);
}

.tc-card--mini {
  padding: 16px 12px;
}

.tc-card--mini .tc-card-title {
  font-size: 15px;
}

.tc-card--mini .tc-card-desc {
  font-size: 12px;
}

.tc-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background: var(--tc-blue-soft);
  color: var(--tc-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.tc-card-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  color: #000;
}

.tc-card-desc {
  font-size: 13px;
  color: var(--tc-text-muted);
  line-height: 1.55;
  margin: 0;
}

/* 解决方案 */
.tc-solution {
  background: linear-gradient(180deg, #fafbfd 0%, #f5f7fa 100%);
}

.tc-solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 960px) {
  .tc-solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .tc-solution-grid {
    grid-template-columns: 1fr;
  }
}

.tc-solution-card {
  background: #fff;
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  padding: 24px 20px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.tc-solution-card:hover {
  box-shadow: var(--tc-shadow);
  border-color: rgba(0, 82, 217, 0.3);
}

.tc-solution-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  min-width: 56px;
  padding: 0;
  border-radius: 12px;
  margin-bottom: 14px;
  color: var(--tc-blue);
  border: 1px solid rgba(0, 82, 217, 0.12);
  box-shadow: 0 4px 14px rgba(0, 46, 153, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tc-solution-card:hover .tc-solution-icon {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 46, 153, 0.08);
}

.tc-solution-svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.tc-solution-icon--finance {
  background: linear-gradient(145deg, rgba(0, 82, 217, 0.14), rgba(0, 82, 217, 0.04));
  color: #0052d9;
}

.tc-solution-icon--game {
  background: linear-gradient(145deg, rgba(0, 164, 255, 0.18), rgba(0, 164, 255, 0.05));
  color: #0088ff;
}

.tc-solution-icon--retail {
  background: linear-gradient(145deg, rgba(124, 92, 255, 0.16), rgba(124, 92, 255, 0.05));
  color: #6b4dff;
}

.tc-solution-icon--medical {
  background: linear-gradient(145deg, rgba(0, 200, 170, 0.18), rgba(0, 200, 170, 0.06));
  color: #00a884;
}

.tc-solution-card h3 {
  font-size: 17px;
  margin: 0 0 8px;
  color: #000;
}

.tc-solution-card p {
  font-size: 13px;
  color: var(--tc-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* 案例 */
.tc-case-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .tc-case-row {
    grid-template-columns: 1fr;
  }
}

.tc-case-card {
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  padding: 24px;
  background: #fafbfc;
}

.tc-case-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.tc-case-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
  color: #fff;
  box-shadow: 0 2px 10px rgba(0, 46, 153, 0.12);
}

.tc-case-logo-icon svg {
  width: 22px;
  height: 22px;
}

.tc-case-logo-txt {
  font-size: 16px;
  font-weight: 600;
  color: var(--tc-text);
}

.tc-case-logo--net .tc-case-logo-icon {
  background: linear-gradient(135deg, #0052d9, #5b8cff);
}

.tc-case-logo--fin .tc-case-logo-icon {
  background: linear-gradient(135deg, #00a884, #00c6a7);
}

.tc-case-logo--video .tc-case-logo-icon {
  background: linear-gradient(135deg, #7c5cff, #b794f6);
}

.tc-case-card p {
  margin: 0;
  font-size: 14px;
  color: var(--tc-text-secondary);
  line-height: 1.65;
}

/* 合作伙伴 */
.tc-partners {
  padding: 40px 0;
  background: #fff;
  border-top: 1px solid var(--tc-border);
  border-bottom: 1px solid var(--tc-border);
}

.tc-partners-title {
  text-align: center;
  font-size: 14px;
  color: var(--tc-text-muted);
  margin: 0 0 20px;
}

.tc-partners-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.tc-partner-pill,
a.tc-partner-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px 10px 14px;
  border: 1px solid rgba(0, 82, 217, 0.1);
  border-radius: 4px;
  font-size: 14px;
  color: var(--tc-text-secondary);
  background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
  box-shadow: 0 1px 3px rgba(0, 46, 153, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
  cursor: pointer;
  box-sizing: border-box;
}

.tc-partner-pill:hover {
  border-color: rgba(0, 82, 217, 0.28);
  box-shadow: 0 4px 16px rgba(0, 46, 153, 0.08);
  transform: translateY(-1px);
}

.tc-partner-pill__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
  color: #fff;
  background: linear-gradient(135deg, #0052d9, #00a4ff);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.tc-partner-pill__icon svg {
  width: 17px;
  height: 17px;
}

.tc-partner-pill__icon img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: block;
}

.tc-partner-pill__txt {
  font-weight: 500;
  color: var(--tc-text);
}

/* 新闻 */
.tc-news-list {
  max-width: 880px;
  margin: 0 auto;
}

.tc-news-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--tc-border);
}

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

.tc-news-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-top: 2px;
  border-radius: 10px;
  color: var(--tc-blue);
  background: linear-gradient(145deg, rgba(0, 82, 217, 0.1), rgba(0, 164, 255, 0.06));
  border: 1px solid rgba(0, 82, 217, 0.12);
}

.tc-news-icon svg {
  width: 20px;
  height: 20px;
}

.tc-news-date {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--tc-text-muted);
  width: 88px;
  padding-top: 10px;
}

.tc-news-body {
  flex: 1;
  min-width: 0;
  padding-top: 2px;
}

.tc-news-title {
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 6px;
  color: var(--tc-text);
}

.tc-news-title:hover {
  color: var(--tc-blue);
}

.tc-news-summary {
  font-size: 13px;
  color: var(--tc-text-muted);
  margin: 0;
  line-height: 1.6;
}

.tc-news-list--modern .tc-news-item {
  border-radius: 12px;
  border: 1px solid #e8eaed !important;
  padding: 20px !important;
  margin-bottom: 12px;
  background: #fff;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  border-bottom: 1px solid #e8eaed !important;
}

.tc-news-list--modern .tc-news-item:last-child {
  margin-bottom: 0;
}

.tc-news-list--modern .tc-news-item:hover {
  box-shadow: 0 8px 28px rgba(0, 82, 217, 0.12);
  transform: translateY(-2px);
}

@media (min-width: 960px) {
  .tc-news-list--modern {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
    max-width: 100%;
  }
  .tc-news-list--modern .tc-news-item {
    margin-bottom: 0;
  }
}

.tc-portal-article-wrap {
  max-width: 820px;
}

.tc-portal-article-head {
  margin-bottom: 24px;
}

.tc-portal-article-meta {
  font-size: 13px;
  color: #78909c;
  margin: 0 0 8px;
}

.tc-portal-article-title {
  font-size: 26px;
  font-weight: 600;
  margin: 0;
  line-height: 1.35;
  color: var(--tc-text);
}

.tc-portal-article-content.tc-prose {
  font-size: 15px;
  line-height: 1.75;
  color: #37474f;
}

.tc-portal-article-content.tc-prose p {
  margin: 0 0 1em;
}

.tc-portal-article-content.tc-prose img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.tc-portal-article-content.tc-prose video {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 1em 0;
  background: #000;
}

.tc-portal-article-content.tc-prose iframe {
  display: block;
  max-width: 100%;
  border-radius: 8px;
  margin: 1em 0;
}

.tc-portal-article-content.tc-prose .tc-embed-wrap {
  margin: 1em 0;
}

.tc-portal-article-content.tc-prose h2,
.tc-portal-article-content.tc-prose h3 {
  margin: 1.25em 0 0.5em;
  color: var(--tc-text);
}

/* 数据条 */
.tc-stats-banner {
  background: #fff;
  border-top: 1px solid var(--tc-border);
  border-bottom: 1px solid var(--tc-border);
}

.tc-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 36px 0;
}

@media (max-width: 768px) {
  .tc-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tc-stat {
  text-align: center;
}

.tc-stat-num {
  font-size: 36px;
  font-weight: 600;
  color: var(--tc-blue);
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}

.tc-stat-label {
  font-size: 13px;
  color: var(--tc-text-muted);
  margin-top: 8px;
}

/* CTA 条 */
.tc-cta-strip {
  background: linear-gradient(90deg, #0052d9 0%, #00a4ff 100%);
  color: #fff;
  padding: 36px 0;
}

.tc-cta-strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.tc-cta-strip-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tc-cta-strip-text strong {
  font-size: 20px;
  font-weight: 600;
}

.tc-cta-strip-text span {
  font-size: 14px;
  opacity: 0.92;
}

.tc-cta-strip-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tc-cta-strip .tc-btn--primary {
  background: #fff;
  color: var(--tc-blue);
}

.tc-cta-strip .tc-btn--primary:hover {
  background: var(--tc-blue-soft);
}

.tc-cta-strip .tc-btn--outline {
  border-color: #fff;
  color: #fff;
  background: transparent;
}

.tc-cta-strip .tc-btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* 页脚 */
.tc-footer {
  background: #0a1628;
  color: rgba(255, 255, 255, 0.72);
  padding: 0 0 28px;
  font-size: 13px;
}

.tc-footer-hotline {
  text-align: center;
  padding: 32px 0 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 36px;
}

.tc-footer-hotline-num {
  font-size: 36px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.tc-footer-hotline-meta {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.tc-footer-hotline-sep {
  margin: 0 10px;
  opacity: 0.5;
}

.tc-footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr) 1.2fr;
  gap: 28px 24px;
  margin-bottom: 40px;
}

@media (max-width: 1100px) {
  .tc-footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .tc-footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .tc-footer-grid {
    grid-template-columns: 1fr;
  }
}

.tc-footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 14px;
}

.tc-footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tc-footer-col li {
  margin-bottom: 8px;
}

.tc-footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

.tc-footer-col a:hover {
  color: #fff;
}

.tc-footer-brand .tc-logo--footer {
  color: #fff;
  margin-bottom: 12px;
}

.tc-footer-brand .tc-logo-text {
  font-size: 17px;
}

.tc-footer-desc {
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.45);
  margin: 0 0 16px;
  font-size: 12px;
}

.tc-footer-social {
  display: flex;
  gap: 10px;
}

.tc-social {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}

.tc-social:hover {
  border-color: var(--tc-blue);
  color: #fff;
}

.tc-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
}

.tc-footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 20px;
}

.tc-footer-legal a {
  color: rgba(255, 255, 255, 0.45);
}

.tc-footer-legal a:hover {
  color: #fff;
}

.tc-footer-copy {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
}

.tc-muted {
  color: var(--tc-text-muted);
}

.tc-mt-sm {
  margin-top: 8px;
}

body.tc-no-scroll {
  overflow: hidden;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

/* ----- 首页轮播：比例 900:383；通栏宽度由 mf-portal-clone 内 100vw breakout 实现 ----- */
.tc-home-carousel {
  position: relative;
  width: 100%;
  max-width: none;
  overflow: hidden;
  background: #e8f1ff;
  box-sizing: border-box;
}

.tc-home-carousel--tencent {
  background: linear-gradient(180deg, #f5f9ff 0%, #e8f1ff 100%);
}

.tc-home-carousel--ready .tc-home-carousel-track {
  display: flex;
  transition: transform 0.55s ease;
  will-change: transform;
}

.tc-home-carousel-slide {
  position: relative;
  flex: 0 0 100%;
  min-width: 100%;
  height: auto;
  aspect-ratio: 900 / 383;
  min-height: 0;
  background-color: #e8f1ff;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

/* 上传图：完整显示（不裁切），图中底部文案不被 cover 切掉 */
.tc-home-carousel-slide--photo {
  background-size: contain;
  background-position: center center;
}

/* 上传的 Banner 图：标题用浅色字 */
.tc-home-carousel-slide--photo .tc-home-carousel-title {
  color: #fff !important;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
}

/* 窄屏仍保持 900:383，仅容器随屏宽变窄 */

.tc-home-carousel-slide--fallback.tc-home-carousel-slide--fb1 {
  background: linear-gradient(125deg, #f0f7ff 0%, #d4e8ff 40%, #a8c8ff 100%);
}
.tc-home-carousel-slide--fallback.tc-home-carousel-slide--fb2 {
  background: linear-gradient(125deg, #e8f4ff 0%, #c8ddff 55%, #8eb8ff 100%);
}
.tc-home-carousel-slide--fallback.tc-home-carousel-slide--fb3 {
  background: linear-gradient(125deg, #f5fbff 0%, #dceeff 50%, #b0d4ff 100%);
}

.tc-home-carousel--tencent .tc-home-carousel-slide--fallback .tc-home-carousel-title {
  color: #0d1a2d;
  text-shadow: none;
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.25;
  max-width: 720px;
}

.tc-home-carousel--tencent .tc-home-carousel-arrow {
  background: rgba(255, 255, 255, 0.85);
  color: #333;
  box-shadow: 0 4px 16px rgba(0, 46, 153, 0.12);
}

.tc-home-carousel--tencent .tc-home-carousel-dot {
  background: rgba(0, 82, 217, 0.25);
}

.tc-home-carousel--tencent .tc-home-carousel-dot.is-active {
  background: var(--tc-blue);
}

.tc-home-carousel-slide-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  pointer-events: none;
}

.tc-home-carousel-caption {
  max-width: 560px;
}

.tc-home-carousel-title {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

@media (max-width: 640px) {
  .tc-home-carousel-title {
    font-size: 18px;
  }
}

.tc-home-carousel-hit {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.tc-home-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s;
}

.tc-home-carousel-arrow:hover {
  background: rgba(255, 255, 255, 0.35);
}

.tc-home-carousel-arrow--prev {
  left: 16px;
}
.tc-home-carousel-arrow--next {
  right: 16px;
}

.tc-home-carousel-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  z-index: 4;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.tc-home-carousel-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
}

.tc-home-carousel-dot.is-active {
  background: #fff;
  transform: scale(1.25);
}

/* ----- 促销五宫格（对齐腾讯云首页条） ----- */
.tc-promo-strip {
  background: #fff;
  border-bottom: 1px solid var(--tc-border);
  padding: 20px 0;
}

.tc-promo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

@media (max-width: 1024px) {
  .tc-promo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .tc-promo-grid {
    grid-template-columns: 1fr;
  }
}

.tc-promo-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--tc-border);
  border-radius: 4px;
  background: #fafbfd;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tc-promo-card:hover {
  border-color: rgba(0, 82, 217, 0.35);
  box-shadow: 0 4px 16px rgba(0, 82, 217, 0.08);
}

.tc-promo-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  flex-shrink: 0;
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 2px 8px rgba(0, 46, 153, 0.12);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tc-promo-card-svg {
  width: 23px;
  height: 23px;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.12));
}

.tc-promo-card-icon--1 {
  background: radial-gradient(circle at 28% 22%, #2eb6ff 0%, #0052d9 55%, #0034a8 100%);
}

.tc-promo-card-icon--2 {
  background: linear-gradient(145deg, #ff7a45 0%, #ff9f43 48%, #ffb347 100%);
}

.tc-promo-card-icon--3 {
  background: linear-gradient(145deg, #1a6bff 0%, #0052d9 45%, #3d7cff 100%);
}

.tc-promo-card-icon--4 {
  background: linear-gradient(145deg, #8b6bff 0%, #7c5cff 50%, #b794f6 100%);
}

.tc-promo-card-icon--5 {
  background: linear-gradient(145deg, #00d4aa 0%, #00b4d8 55%, #00e0ff 100%);
}

.tc-promo-card:hover .tc-promo-card-icon {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 4px 14px rgba(0, 82, 217, 0.2);
  transform: scale(1.02);
}

.tc-promo-card-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: #666;
}

.tc-promo-card-text strong {
  font-size: 14px;
  color: #000;
}

.tc-promo-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 0 6px;
  background: #ff4d4f;
  color: #fff;
  border-radius: 2px;
  font-size: 12px;
}

/* ----- 蓝色二级导航 ----- */
.tc-subnav {
  background: var(--tc-blue);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.tc-subnav-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  min-height: 48px;
  padding: 8px 0;
}

.tc-subnav-item {
  padding: 8px 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
  white-space: nowrap;
}

.tc-subnav-item:hover,
.tc-subnav-item.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

/* ----- 主视觉玻璃拟态区 ----- */
.tc-kv--glass {
  position: relative;
  padding: 48px 0 56px;
  background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
  border-bottom: 1px solid var(--tc-border);
  overflow: hidden;
}

.tc-kv--glass::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -16deg,
    transparent,
    transparent 44px,
    rgba(0, 82, 217, 0.028) 44px,
    rgba(0, 82, 217, 0.028) 45px
  );
  pointer-events: none;
}

.tc-kv--glass .tc-wrap {
  position: relative;
  z-index: 1;
}

/* 首屏 KV 通栏：与轮播一致横向「打通」，右栏铺满至视口右缘 */
.tc-kv--glass > .tc-wrap.tc-kv-grid {
  max-width: none;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding-left: max(20px, calc((100vw - min(1200px, 100vw)) / 2 + 20px));
  padding-right: 0;
  box-sizing: border-box;
}

.tc-kv-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: stretch;
}

@media (max-width: 960px) {
  .tc-kv-grid {
    grid-template-columns: 1fr;
  }
  .tc-kv--glass > .tc-wrap.tc-kv-grid {
    width: 100% !important;
    margin-left: 0 !important;
    max-width: 100% !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
}

.tc-kv-eyebrow {
  font-size: 13px;
  color: var(--tc-blue);
  font-weight: 600;
  margin: 0 0 10px;
  letter-spacing: 0.04em;
}

.tc-kv-title {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 600;
  color: #0d1a2d;
  line-height: 1.2;
}

.tc-kv-lead {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--tc-text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

.tc-kv-bullets {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--tc-text-muted);
}

.tc-kv-bullets li {
  padding-left: 14px;
  position: relative;
  margin-bottom: 8px;
}

.tc-kv-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tc-blue);
}

.tc-kv-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tc-kv-visual {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 默认球体装饰区高度 */
.tc-kv-visual:not(.tc-kv-visual--hero) {
  min-height: clamp(300px, 34vw, 420px);
}

/* 上传 KV 图：与首页轮播 .tc-home-carousel-slide 相同 900:383，随屏宽等比拉长；cover 铺满类似轮播底图 */
.tc-kv-visual.tc-kv-visual--hero {
  aspect-ratio: 900 / 383;
  min-height: max(280px, calc(100vw * 0.5 * 383 / 900));
  max-height: calc(100vw * 383 / 900);
}

.tc-kv-hero-img {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  z-index: 2;
  object-fit: cover;
  object-position: center;
}

.tc-kv-visual--hero .tc-kv-hero-img {
  display: block;
}

.tc-kv-visual--hero .tc-kv-orb,
.tc-kv-visual--hero .tc-kv-ring {
  display: none !important;
}

.tc-kv-orb {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffffff, #a8c8ff 42%, #6b9fff 100%);
  box-shadow: 0 24px 80px rgba(0, 82, 217, 0.22), inset 0 0 60px rgba(255, 255, 255, 0.45);
}

.tc-kv-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(0, 82, 217, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.tc-kv-ring--1 {
  width: 380px;
  height: 380px;
  animation: tc-spin 28s linear infinite;
}

.tc-kv-ring--2 {
  width: 460px;
  height: 460px;
  border-color: rgba(0, 82, 217, 0.1);
  animation: tc-spin 36s linear infinite reverse;
}

.tc-kv-chip {
  position: absolute;
  z-index: 3;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--tc-blue);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 82, 217, 0.15);
  box-shadow: 0 8px 24px rgba(0, 46, 153, 0.1);
}

.tc-kv-chip--a {
  right: 8%;
  top: 18%;
}
.tc-kv-chip--b {
  left: 6%;
  bottom: 22%;
}
.tc-kv-chip--c {
  right: 12%;
  bottom: 14%;
}

/* ----- 选购卡片区 ----- */
.tc-deal-section {
  padding: 48px 0 56px;
}

.tc-deal-head {
  text-align: center;
  margin-bottom: 32px;
}

.tc-deal-section-title {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 600;
  color: #000;
}

.tc-deal-section-sub {
  margin: 0;
  font-size: 14px;
  color: var(--tc-text-muted);
}

.tc-deal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 960px) {
  .tc-deal-grid {
    grid-template-columns: 1fr;
  }
}

.tc-deal-card {
  border: 1px solid var(--tc-border);
  border-radius: 8px;
  padding: 20px;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.tc-deal-card-title {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
  color: #000;
}

.tc-deal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 13px;
}

.tc-deal-row label {
  color: var(--tc-text-muted);
}

.tc-deal-select {
  flex: 1;
  max-width: 62%;
  padding: 6px 10px;
  border: 1px solid var(--tc-border);
  border-radius: 2px;
  background: #fafbfc;
  color: #333;
  text-align: right;
  font-size: 13px;
}

.tc-deal-stepper {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--tc-border);
  border-radius: 2px;
  padding: 4px 10px;
  background: #fafbfc;
}

.tc-deal-stepper span {
  cursor: pointer;
  color: #666;
  user-select: none;
}

.tc-deal-price {
  margin: 18px 0 16px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.tc-deal-discount {
  display: inline-block;
  padding: 2px 8px;
  background: #fff1f0;
  color: #ff4d4f;
  border: 1px solid #ffccc7;
  border-radius: 2px;
  font-size: 12px;
  font-weight: 600;
}

.tc-deal-yuan {
  font-size: 14px;
  color: #ff4d4f;
  font-weight: 600;
}

.tc-deal-price strong {
  font-size: 28px;
  color: #ff4d4f;
  font-weight: 700;
}

.tc-deal-unit {
  font-size: 13px;
  color: var(--tc-text-muted);
}

.tc-btn--block {
  width: 100%;
  display: flex;
}

/* ----- 右侧悬浮（腾讯云风格，配置见 portal float_dock_*） ----- */
.tc-float-rail {
  position: fixed;
  right: 12px;
  bottom: 80px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 56px;
  pointer-events: none;
}

.tc-float-rail > * {
  pointer-events: auto;
}

.tc-float-rail__pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 48px;
  min-height: 120px;
  padding: 12px 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, #006eff 0%, #0052d9 100%);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 82, 217, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tc-float-rail__pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0, 82, 217, 0.42);
}

.tc-float-rail__pill-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  line-height: 0;
}

.tc-float-rail__pill-text {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
  text-orientation: upright;
  line-height: 1.35;
  max-height: 7.5em;
  overflow: hidden;
}

.tc-float-rail__pill--compact {
  min-height: 96px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.tc-float-rail__avatar {
  display: block;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid #fff;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
  background: linear-gradient(145deg, #e8f1ff, #f0f4ff);
  text-decoration: none;
  flex-shrink: 0;
}

.tc-float-rail__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tc-float-rail__avatar--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--tc-blue);
  text-align: center;
  line-height: 1.2;
  padding: 4px;
}

.tc-float-rail__svc {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.tc-float-rail__svc:hover {
  border-color: rgba(0, 82, 217, 0.35);
  box-shadow: 0 6px 18px rgba(0, 82, 217, 0.15);
}

/* AI 助手挂件：插入在在线客服钮上方，与白底顾问头像区分 */
.tc-float-rail .tc-ai-widget.tc-ai-widget--in-rail .tc-ai-widget__fab {
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 16px rgba(0, 82, 217, 0.28);
}

button.tc-float-rail__pill {
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  margin: 0;
  cursor: pointer;
  border: none;
  text-align: center;
  color: inherit;
}

/* 销售核验：与「联系销售」共用 .tc-float-rail__pill--compact 蓝胶囊（见 initTcFloatRail） */

body.tc-float-verify-modal-open {
  overflow: hidden;
}

.tc-float-verify-modal {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  box-sizing: border-box;
}

.tc-float-verify-modal[hidden] {
  display: none !important;
}

.tc-float-verify-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.48);
  cursor: pointer;
}

.tc-float-verify-modal__panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(980px, 96vw);
  height: min(88vh, 860px);
  max-height: calc(100vh - 24px);
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.22);
  overflow: hidden;
}

.tc-float-verify-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.tc-float-verify-modal__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #0f172a;
}

.tc-float-verify-modal__close {
  appearance: none;
  border: none;
  background: transparent;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  color: #64748b;
  padding: 4px 10px;
  border-radius: 8px;
}

.tc-float-verify-modal__close:hover {
  background: rgba(0, 82, 217, 0.08);
  color: #0052d9;
}

.tc-float-verify-modal__frame {
  flex: 1;
  min-height: 0;
  width: 100%;
  border: 0;
  display: block;
  background: #f1f5f9;
}

@media (max-width: 768px) {
  .tc-float-rail {
    bottom: 24px;
    right: 8px;
  }
}

@media print {
  .tc-float-rail,
  .tc-float-verify-modal {
    display: none !important;
  }
}

.tc-topbar-site {
  color: var(--tc-text-secondary);
}

/* v20260412h 顶栏搜索对接 search_url / search_param */
body.tc-www {
  font-size: 15px;
  background-color: #eef1f8;
  background-image: radial-gradient(ellipse 120% 80% at 50% -30%, rgba(0, 82, 217, 0.09), transparent 55%),
    linear-gradient(180deg, #f4f6fb 0%, #eef1f8 40%, #e8ecf5 100%);
}

.tc-section-head .tc-section-title {
  font-size: 30px;
  letter-spacing: -0.02em;
}

.tc-deal-section-title {
  font-size: 28px;
}

.tc-promo-card {
  min-height: 90px;
  align-items: center;
}

.tc-promo-card-text span {
  display: block;
  line-height: 1.45;
}

.tc-subnav-inner {
  justify-content: center;
}

.tc-kv-title {
  font-size: clamp(28px, 4vw, 42px);
}

.tc-home-carousel-slide-inner.tc-wrap {
  padding-left: 24px;
  padding-right: 24px;
}

/* —— 产品下拉：商城真实分组 —— */
.tc-mega-lead {
  font-size: 13px;
  color: var(--tc-text-muted);
  margin: 0 0 16px;
  max-width: 760px;
  line-height: 1.55;
}

.tc-mega-grid--products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 8px 10px;
  align-items: start;
}

.tc-mega-product-link {
  display: block;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--tc-text-secondary);
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.tc-mega-product-link:hover {
  background: var(--tc-blue-soft);
  border-color: rgba(0, 82, 217, 0.22);
  color: var(--tc-blue);
}

.tc-mega-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 18px;
  text-align: center;
  font-size: 13px;
  color: var(--tc-text-muted);
  background: #f6f8fc;
  border-radius: 6px;
  border: 1px dashed var(--tc-border);
}

/* —— 促销条科技底纹 —— */
.tc-promo-strip--tech {
  position: relative;
  background: linear-gradient(180deg, #fbfcff 0%, #ffffff 100%);
  border-bottom: 1px solid rgba(0, 82, 217, 0.1);
}

.tc-promo-strip--tech::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(0, 82, 217, 0.07) 1px, transparent 0);
  background-size: 22px 22px;
  pointer-events: none;
  opacity: 0.7;
}

.tc-promo-strip--tech .tc-wrap {
  position: relative;
  z-index: 1;
}

.tc-promo-strip--tech .tc-promo-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-color: rgba(0, 82, 217, 0.12);
}

/* —— 精选区 / 产品橱窗 —— */
.tc-deal-section--tech .tc-deal-card--tech {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  border: 1px solid rgba(0, 82, 217, 0.12);
  box-shadow: 0 6px 28px rgba(0, 46, 153, 0.07);
  position: relative;
  overflow: hidden;
}

.tc-deal-section--tech .tc-deal-card--tech::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0052d9, #00a4ff);
}

.tc-deal-card-top {
  position: relative;
  z-index: 1;
  flex: 1;
}

.tc-deal-card-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--tc-blue);
  background: rgba(0, 82, 217, 0.09);
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 10px;
}

.tc-deal-card-desc {
  font-size: 13px;
  color: var(--tc-text-muted);
  line-height: 1.65;
  margin: 10px 0 0;
}

.tc-deal-card-desc ul,
.tc-card-desc ul {
  margin: 0.25em 0 0;
  padding-left: 1.15em;
}

.tc-deal-card-desc li,
.tc-card-desc li {
  margin: 0.2em 0;
}

.tc-deal-card--placeholder .tc-deal-card-title {
  margin-top: 0;
}

/* —— 首页推荐 SKU 卡片（插件 home_product_cards_json） —— */
/* 精选推荐区：与上方 KV 拉开间距，避免视觉上「顶上去」 */
.tc-deal-section.tc-deal-section--tech {
  padding-top: 72px;
}

.tc-deal-section--sku-mode .tc-deal-head {
  margin-bottom: 20px;
}

.tc-home-sku-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}

@media (max-width: 1400px) {
  .tc-home-sku-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .tc-home-sku-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 576px) {
  .tc-home-sku-grid {
    grid-template-columns: 1fr;
  }
}

.tc-home-sku-card {
  background: #fff;
  border: 1px solid #e5e8ed;
  border-radius: 4px;
  padding: 16px 16px 0;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  position: relative;
  overflow: hidden;
}

.tc-home-sku-card__title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.tc-home-sku-card__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: #1a1f29;
  line-height: 1.35;
}

.tc-home-sku-card__chev {
  color: #b0b8c5;
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}

.tc-home-sku-card__sub {
  margin: 0 0 12px;
  font-size: 12px;
  color: #6b7280;
  line-height: 1.5;
}

.tc-home-sku-card__sub--html ul,
.tc-home-sku-card__sub--html ol {
  margin: 0;
  padding: 0;
  padding-inline-start: 0;
  list-style: none !important;
  list-style-type: none !important;
  list-style-image: none;
}

.tc-home-sku-card__sub--html li {
  margin: 0;
  padding: 0;
  padding-inline-start: 0;
  line-height: 1.55;
  color: #5c6370;
  list-style: none !important;
  list-style-type: none !important;
}

.tc-home-sku-card__sub--html li::marker {
  content: none;
  font-size: 0;
}

.tc-home-sku-card__sub--html li + li {
  margin-top: 6px;
}

.tc-home-sku-card__rows {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 10px;
  font-size: 12px;
  align-items: center;
}

.tc-home-sku-card__rows dt {
  margin: 0;
  color: #8892a0;
  font-weight: 400;
}

.tc-home-sku-card__rows dd {
  margin: 0;
  min-width: 0;
}

.tc-home-sku-card__dd-spec {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #1a1f29;
}

.tc-home-sku-card__info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid #c5cdd8;
  font-size: 10px;
  font-style: italic;
  color: #8892a0;
  flex-shrink: 0;
  cursor: default;
}

.tc-home-sku-card__select {
  width: 100%;
  max-width: 100%;
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid #dce1e8;
  border-radius: 4px;
  background: #fff;
  color: #1a1f29;
}

.tc-home-sku-card__dd-duration {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tc-home-sku-card__discount-pill {
  font-size: 11px;
  color: #e02020;
  border: 1px solid rgba(224, 32, 32, 0.45);
  border-radius: 3px;
  padding: 1px 5px;
  white-space: nowrap;
}

.tc-home-sku-card__qty-inner {
  display: inline-flex;
  align-items: center;
  border: 1px solid #dce1e8;
  border-radius: 4px;
  overflow: hidden;
  background: #fafbfc;
}

.tc-home-sku-card__qty-btn {
  width: 28px;
  height: 28px;
  border: 0;
  background: #f0f2f5;
  color: #374151;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.tc-home-sku-card__qty-btn:hover {
  background: #e5e8ed;
}

.tc-home-sku-card__qty-input {
  width: 36px;
  border: 0;
  text-align: center;
  font-size: 12px;
  background: #fff;
  padding: 4px 0;
}

.tc-home-sku-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.tc-home-sku-card__badge {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 2px;
  border: 1px solid rgba(224, 32, 32, 0.35);
  color: #c41e1e;
  background: rgba(224, 32, 32, 0.04);
}

.tc-home-sku-card__price {
  margin-top: 12px;
  padding-bottom: 12px;
}

.tc-home-sku-card__price-act {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
}

.tc-home-sku-card__price-label {
  font-size: 12px;
  color: #e02020;
  font-weight: 600;
}

.tc-home-sku-card__price-num {
  font-size: 22px;
  font-weight: 800;
  color: #e02020;
  letter-spacing: -0.02em;
}

.tc-home-sku-card__price-mo {
  font-size: 12px;
  color: #8892a0;
}

.tc-home-sku-card__price-reg {
  font-size: 12px;
  color: #9ca3af;
  text-decoration: line-through;
  margin-top: 4px;
}

.tc-home-sku-card__foot {
  margin-top: auto;
  margin-left: -16px;
  margin-right: -16px;
  margin-bottom: 0;
  padding: 0;
  border-top: 1px solid #eef1f5;
  text-align: center;
}

.tc-home-sku-card__buy {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 12px 16px 14px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  text-align: center;
  background: linear-gradient(to top, #0039a8 0%, #0052d9 38%, #1a7cff 100%);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

.tc-home-sku-card__buy:hover {
  text-decoration: none;
  color: #fff;
  filter: brightness(1.06);
}

.tc-product-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.tc-product-showcase-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 28px 16px;
}

.tc-product-showcase-more {
  text-align: center;
  margin: 28px 0 0;
}

.tc-card--tech.tc-card--mini {
  position: relative;
  border: 1px solid rgba(0, 82, 217, 0.1);
  background: linear-gradient(145deg, #ffffff 0%, #f5f9ff 100%);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tc-card--tech.tc-card--mini:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 46, 153, 0.12);
  border-color: rgba(0, 82, 217, 0.28);
}

.tc-card-icon--tech {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 82, 217, 0.16), rgba(0, 164, 255, 0.1));
  border: 1px solid rgba(0, 82, 217, 0.18);
  position: relative;
  overflow: hidden;
}

.tc-card-icon--tech::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 82, 217, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 82, 217, 0.08) 1px, transparent 1px);
  background-size: 8px 8px;
}

.tc-card-icon--tech.has-icon::after {
  display: none;
}

.tc-card-icon--tech .tc-inline-svg {
  position: relative;
  z-index: 1;
  width: 24px;
  height: 24px;
  color: #0052d9;
  flex-shrink: 0;
}

/* —— 数据条 —— */
.tc-stats-banner--tech {
  background: linear-gradient(180deg, #f8faff 0%, #ffffff 55%, #f0f5ff 100%);
  border-top: 1px solid rgba(0, 82, 217, 0.1);
  border-bottom: 1px solid rgba(0, 82, 217, 0.08);
  position: relative;
}

.tc-stats-banner--tech::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 90% at 50% 0%, rgba(0, 164, 255, 0.11), transparent 65%);
  pointer-events: none;
}

.tc-stats-banner--tech .tc-stats {
  position: relative;
  z-index: 1;
}

/* —— 全部产品页 product.html —— */
.tc-page-products {
  position: relative;
  padding-top: 40px;
  padding-bottom: 72px;
  min-height: 56vh;
  background: linear-gradient(180deg, #f3f7ff 0%, #ffffff 32%, #ffffff 100%);
}

.tc-page-products::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 280px;
  background: radial-gradient(ellipse 75% 100% at 50% -15%, rgba(0, 82, 217, 0.09), transparent 72%);
  pointer-events: none;
}

.tc-page-products .tc-wrap {
  position: relative;
  z-index: 1;
}

.tc-section-head--products {
  text-align: center;
  margin-bottom: 40px;
}

.tc-page-eyebrow {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tc-blue);
}

.tc-section-head--products .tc-section-title {
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: -0.03em;
}

.tc-section-head--products .tc-section-sub {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  font-size: 15px;
  line-height: 1.65;
}

.tc-grid--catalog {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

@media (max-width: 560px) {
  .tc-grid--catalog {
    grid-template-columns: 1fr;
  }
}

a.tc-card.tc-card--catalog {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 168px;
  padding: 22px 20px 18px;
  border-radius: 12px;
  border: 1px solid rgba(0, 82, 217, 0.1);
  background: linear-gradient(160deg, #ffffff 0%, #f6f9ff 55%, #fafcff 100%);
  box-shadow: 0 2px 12px rgba(0, 46, 153, 0.04);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
  overflow: hidden;
}

a.tc-card.tc-card--catalog::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0, 82, 217, 0.04) 0%, transparent 45%);
  opacity: 0;
  transition: opacity 0.22s ease;
  pointer-events: none;
}

a.tc-card.tc-card--catalog:hover::after {
  opacity: 1;
}

a.tc-card.tc-card--catalog::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, #0052d9, #00a4ff);
  opacity: 0;
  transition: opacity 0.22s ease;
}

a.tc-card.tc-card--catalog:hover::before {
  opacity: 1;
}

a.tc-card.tc-card--catalog:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 44px rgba(0, 46, 153, 0.1);
  border-color: rgba(0, 82, 217, 0.22);
}

.tc-card--catalog .tc-card-icon--tech {
  margin-bottom: 4px;
}

.tc-card--catalog .tc-card-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 8px;
}

.tc-card--catalog .tc-card-desc {
  flex: 1;
  font-size: 13px;
  line-height: 1.6;
  color: var(--tc-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tc-card-cta {
  margin-top: auto;
  padding-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--tc-blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tc-card-cta-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

a.tc-card.tc-card--catalog:hover .tc-card-cta-arrow {
  transform: translateX(5px);
}

.tc-product-catalog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  font-size: 15px;
  border: 1px dashed var(--tc-border);
  border-radius: 8px;
  background: #fafbfd;
}

/* 全部产品页：顶栏搜索关键词筛选 */
.tc-product-search-meta {
  margin-bottom: 20px;
}

.tc-product-search-meta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid rgba(0, 82, 217, 0.18);
  background: linear-gradient(135deg, rgba(0, 82, 217, 0.06) 0%, rgba(0, 164, 255, 0.05) 100%);
}

.tc-product-search-meta-inner--empty {
  flex-direction: column;
  align-items: flex-start;
  border-style: dashed;
  background: #fafbfd;
}

.tc-product-search-line {
  margin: 0;
  font-size: 14px;
  color: var(--tc-text-secondary);
  line-height: 1.5;
}

.tc-product-search-hint {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--tc-text-muted);
}

.tc-product-search-hint a {
  color: var(--tc-blue);
  font-weight: 500;
}

.tc-product-search-clear {
  flex-shrink: 0;
  font-size: 13px;
}

/* —— 产品 Mega · 自定义分栏（大厂式多列） —— */
.tc-mega-grid--products.tc-mega-grid--columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 20px 28px;
  align-items: start;
}
.tc-mega-grid--columns .tc-mega-col {
  min-width: 0;
}
.tc-mega-grid--columns .tc-mega-title {
  margin: 0 0 10px;
  padding-bottom: 10px;
}
.tc-mega-grid--columns .tc-mega-product-link {
  padding: 7px 0;
  border-radius: 0;
  border-bottom: 1px solid var(--tc-border);
}
.tc-mega-grid--columns .tc-mega-product-link:last-child {
  border-bottom: none;
}

/* —— 首页 · 大厂风层次与动效（尊重减少动效） —— */
.tc-home-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1), transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.tc-home-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .tc-home-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.tc-product-showcase--cloud {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.tc-product-showcase--cloud .tc-card--mini {
  position: relative;
  border-radius: 12px;
  border: 1px solid rgba(0, 82, 217, 0.1);
  background: linear-gradient(165deg, #fff 0%, #f8faff 100%);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(0, 82, 217, 0.06);
  padding: 22px 20px 20px;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease, border-color 0.2s ease;
  overflow: hidden;
}
.tc-product-showcase--cloud .tc-card--mini::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 12px 0 0 12px;
  background: linear-gradient(180deg, #0052d9, #00a4ff);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.tc-product-showcase--cloud .tc-card--mini:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 82, 217, 0.12);
  border-color: rgba(0, 82, 217, 0.22);
}
.tc-product-showcase--cloud .tc-card--mini:hover::before {
  opacity: 1;
}
.tc-product-showcase--cloud .tc-card--mini .tc-card-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tc-kv--glass.tc-kv--cloud-premium {
  position: relative;
  overflow: hidden;
}
.tc-kv--glass.tc-kv--cloud-premium::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 20%, rgba(0, 82, 217, 0.09), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(0, 164, 255, 0.07), transparent 50%);
  pointer-events: none;
}
.tc-kv--cloud-premium .tc-kv-grid {
  position: relative;
  z-index: 1;
}
.tc-kv--cloud-premium .tc-kv-orb {
  animation: tcKvOrbFloat 8s ease-in-out infinite;
}
@keyframes tcKvOrbFloat {
  0%,
  100% {
    transform: translate(-50%, -50%) translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) translate(8px, -6px) scale(1.03);
  }
}
@media (prefers-reduced-motion: reduce) {
  .tc-kv--cloud-premium .tc-kv-orb {
    animation: none;
  }
}

.tc-subnav.tc-subnav--pill {
  background: linear-gradient(90deg, #0a4fc8 0%, #0052d9 40%, #0066ff 100%);
  border-bottom: none;
  box-shadow: 0 4px 20px rgba(0, 82, 217, 0.18);
}
.tc-subnav.tc-subnav--pill .tc-subnav-inner {
  justify-content: center;
  gap: 6px;
  padding: 10px 0;
}
.tc-subnav.tc-subnav--pill .tc-subnav-item {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.tc-subnav.tc-subnav--pill .tc-subnav-item:hover {
  background: rgba(255, 255, 255, 0.12);
}
.tc-subnav.tc-subnav--pill .tc-subnav-item.is-active {
  background: rgba(255, 255, 255, 0.92);
  color: #0052d9;
  font-weight: 600;
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.tc-deal-section--tech .tc-deal-card--tech {
  border-radius: 12px;
  border: 1px solid rgba(0, 82, 217, 0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.tc-deal-section--tech .tc-deal-card--tech:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 82, 217, 0.1);
}

.tc-section-head.tc-section-head--accent {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.tc-section-head.tc-section-head--accent .tc-section-title {
  font-size: clamp(28px, 3.2vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #0d1b2a 0%, #1b263b 45%, #0052d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tc-section-head.tc-section-head--accent .tc-section-sub {
  font-size: 15px;
  color: var(--tc-text-secondary);
  line-height: 1.65;
}

.tc-deal-head.tc-section-head--accent {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.tc-deal-head.tc-section-head--accent .tc-deal-section-title {
  font-size: clamp(28px, 3.2vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #0d1b2a 0%, #1b263b 45%, #0052d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tc-deal-head.tc-section-head--accent .tc-deal-section-sub {
  font-size: 15px;
  color: var(--tc-text-secondary);
  line-height: 1.65;
}

/* 首页销售顾问：一排多卡，超出视口时横向滑动；整卡进详情 */
.tc-section--sales-team {
  background: #f5f7fa;
  padding-top: 40px;
  padding-bottom: 48px;
}

/* 轮播行通栏：不受 .tc-wrap max-width 限制 */
.tc-section--sales-team .tc-sales-row-bleed {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 max(16px, env(safe-area-inset-left)) 0 max(16px, env(safe-area-inset-right));
  box-sizing: border-box;
}

.tc-sales-carousel {
  display: flex;
  align-items: stretch;
  gap: 10px;
}

.tc-section--sales-team .tc-sales-carousel {
  width: 100%;
  max-width: none;
  margin: 0;
}

.tc-sales-viewport {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 14px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

/* 横版整图名片高度随图变化，避免纵向裁切 */
.tc-section--sales-team .tc-sales-viewport {
  overflow-y: visible;
}

.tc-sales-viewport::-webkit-scrollbar {
  height: 8px;
}

.tc-sales-viewport::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.18);
  border-radius: 8px;
}

.tc-sales-track {
  display: flex;
  gap: 12px;
  align-items: stretch;
  width: max-content;
}

.tc-section--sales-team .tc-sales-track {
  align-items: flex-start;
}

.tc-sales-cell {
  flex-shrink: 0;
  box-sizing: border-box;
  min-width: 0;
  scroll-snap-align: start;
}

.tc-sales-cell a.tc-sales-card--link {
  height: 100%;
}

a.tc-sales-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 12px;
  outline: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

a.tc-sales-card--link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.tc-section--sales-team a.tc-sales-card--link:has(.tc-sales-card-inner--figure):hover {
  box-shadow: none;
}

a.tc-sales-card--link:focus-visible {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px #0052d9;
}

.tc-sales-card-inner {
  display: flex;
  gap: 14px;
  align-items: center;
  min-height: 172px;
  height: 100%;
  padding: 16px 14px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e8eaed;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
  box-sizing: border-box;
}

.tc-section--sales-team .tc-sales-card-inner {
  align-items: flex-start;
}

/* 首页销售：整张三明治式名片图（与后台上传的横版名片一致） */
.tc-sales-card-inner.tc-sales-card-inner--figure {
  display: block;
  padding: 0;
  min-height: 0;
  height: auto;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.tc-sales-card-figure-wrap {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 82, 217, 0.12);
  background: #fff;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.07);
  line-height: 0;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.tc-section--sales-team a.tc-sales-card--link:hover .tc-sales-card-figure-wrap {
  box-shadow: 0 10px 28px rgba(0, 82, 217, 0.12);
  border-color: rgba(0, 82, 217, 0.22);
}

.tc-sales-card-figure-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* 首页名片图：等比完整显示（contain），固定列宽不收缩，避免横向名片被裁掉 */
.tc-section--sales-team .tc-sales-card-photo {
  width: 200px;
  flex: 0 0 200px;
  min-width: 200px;
  flex-shrink: 0;
  height: auto;
  min-height: 236px;
  max-height: 300px;
  align-self: stretch;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.tc-section--sales-team .tc-sales-card-photo--fullcard > img {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: min(300px, 70vh);
  object-fit: contain;
  display: block;
}

.tc-sales-card-photo--multi .tc-sales-mini-viewport {
  width: 100%;
  height: 100%;
  min-height: 236px;
  max-height: 300px;
  overflow: hidden;
  border-radius: inherit;
}

.tc-sales-mini-track {
  display: flex;
  height: 100%;
  min-height: 236px;
  transition: transform 0.55s ease;
  will-change: transform;
}

.tc-sales-mini-slide {
  flex: 0 0 100%;
  width: 100%;
  min-height: 236px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.tc-sales-mini-slide img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.tc-sales-card-photo {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: 12px;
  overflow: hidden;
  background: #eef2f7;
}

.tc-sales-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tc-sales-card-photo-ph {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, rgba(0, 82, 217, 0.12), rgba(0, 164, 255, 0.08));
}

.tc-sales-card-info {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.tc-sales-card-name {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: #0f172a;
  line-height: 1.35;
}

.tc-sales-card-role {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--tc-blue);
  font-weight: 600;
}

.tc-sales-card-meta {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--tc-text-muted);
  line-height: 1.45;
  word-break: break-all;
}

.tc-sales-card-k {
  font-weight: 600;
  color: #546e7a;
  margin-right: 6px;
}

.tc-sales-nav {
  flex-shrink: 0;
  width: 44px;
  min-height: 260px;
  align-self: center;
  border-radius: 10px;
  border: 1px solid #e0e6ed;
  background: #fff;
  color: #0052d9;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.tc-sales-nav:hover {
  background: rgba(0, 82, 217, 0.06);
  border-color: rgba(0, 82, 217, 0.35);
}

.tc-sales-nav[hidden] {
  display: none !important;
}

.tc-sales-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.tc-sales-dots[hidden] {
  display: none !important;
}

.tc-sales-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #cfd8e3;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.tc-sales-dot.is-active {
  background: #0052d9;
  transform: scale(1.15);
}

/* 销售名片详情页 */
.tc-sales-detail-root {
  max-width: 960px;
  margin: 0 auto;
}

.tc-sales-detail-card {
  background: #fff;
  border-radius: 14px;
  border: 1px solid #e8eaed;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
  overflow: hidden;
}

@media (min-width: 900px) {
  .tc-sales-detail-card {
    display: grid;
    grid-template-columns: minmax(280px, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

.tc-sales-detail-figure {
  margin: 0;
  background: #f0f4f8;
  text-align: center;
}

.tc-sales-detail-figure img {
  display: block;
  width: 100%;
  max-height: min(70vh, 520px);
  object-fit: contain;
  margin: 0 auto;
}

.tc-sales-detail-figure--gallery .tc-sales-mini-viewport {
  max-height: min(70vh, 520px);
  margin: 0 auto;
  background: #f0f4f8;
}

.tc-sales-detail-figure--gallery .tc-sales-mini-slide {
  min-height: min(52vh, 420px);
}

.tc-sales-detail-figure--gallery .tc-sales-mini-slide img {
  max-height: min(70vh, 520px);
}

.tc-sales-detail-info {
  padding: 24px 22px 28px;
}

.tc-sales-detail-name {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
  color: #0f172a;
}

.tc-sales-detail-role {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--tc-blue);
}

.tc-sales-detail-dl {
  margin: 0;
  font-size: 14px;
  color: var(--tc-text-muted);
}

.tc-sales-detail-dl > div {
  margin-bottom: 10px;
}

.tc-sales-detail-dl dt {
  display: inline;
  font-weight: 600;
  color: #546e7a;
  margin-right: 8px;
}

.tc-sales-detail-dl dd {
  display: inline;
  margin: 0;
}

.tc-sales-detail-dl a {
  color: #0052d9;
  text-decoration: none;
}

.tc-sales-detail-dl a:hover {
  text-decoration: underline;
}

.tc-sales-detail-bio {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid #e8eaed;
}

.tc-sales-detail-bio__title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
  color: #0f172a;
}

.tc-sales-detail-bio__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #334155;
}

/* 首页销售区块 → 团队列表页 */
.tc-home-sales-more {
  margin: 12px 0 0;
  text-align: center;
}

.tc-home-sales-more .tc-btn {
  font-weight: 600;
}

/* 销售团队列表页 /sales_team.html（仅名片图，每行 4 个） */
.tc-sales-list-head {
  text-align: center;
  margin-bottom: 28px;
}

.tc-sales-list-root {
  min-height: 120px;
}

.tc-sales-list-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.tc-sales-list-cell {
  display: block;
  border-radius: 10px;
  overflow: visible;
  border: 1px solid rgba(0, 82, 217, 0.12);
  background: #fff;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
}

.tc-sales-list-cell:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 82, 217, 0.12);
  border-color: rgba(0, 82, 217, 0.28);
}

.tc-sales-list-thumb {
  display: block;
  padding: 10px 10px 12px;
  background: linear-gradient(180deg, #f1f5f9, #e8eef7);
  border-radius: 10px;
  box-sizing: border-box;
}

/* 整图等比缩放到格宽内，不裁切左右（横版名片需 contain + height:auto） */
.tc-sales-list-thumb img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

@media (max-width: 1024px) {
  .tc-sales-list-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (max-width: 560px) {
  .tc-sales-list-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .tc-sales-carousel {
    gap: 6px;
  }

  .tc-sales-nav {
    width: 36px;
    min-height: 80px;
    font-size: 20px;
  }

  .tc-sales-card-inner:not(.tc-sales-card-inner--figure) {
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 0;
    padding: 14px 12px;
  }

  .tc-sales-card-info {
    text-align: center;
  }

  .tc-sales-card-meta {
    text-align: left;
    width: 100%;
  }

  .tc-section--sales-team .tc-sales-card-photo {
    width: 148px;
    flex-basis: 148px;
    min-height: 200px;
    max-height: 260px;
    height: auto;
  }

  .tc-sales-card-photo--multi .tc-sales-mini-viewport,
  .tc-sales-mini-track,
  .tc-sales-mini-slide {
    min-height: 200px;
  }

  .tc-sales-card-photo {
    width: 112px;
    height: 112px;
  }
}