@charset "UTF-8";
/* 拓账云官网 — 布局（顶栏、导航、页脚、悬浮） */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #0482f9;
  background: var(--header-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom-color: var(--header-border);
  height: 70px;
  height: var(--header-height);
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--header-shadow);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  height: var(--header-height);
  max-width: 1200px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.site-logo {
  display: block;
  flex-shrink: 0;
  text-decoration: none;
}

/* 参考旧站 home.css：图标 + 文字叠放 */
.site-logo.logo-box {
  width: 11rem;
  position: relative;
  height: 3.75rem;
}

.logo-box > img {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: auto;
  object-fit: contain;
}

.logo-box > img:first-child {
  left: -1.25rem;
  height: 3.35rem;
  width: 3.35rem;
}

.logo-box > img:last-child {
  left: 1.85rem;
  height: 2.65rem;
  max-width: 8.25rem;
}

/* 导航链接区 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links > a,
.nav-links > .nav-item > .nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.875rem;
  color: #ffffff;
  color: var(--header-text);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}

.nav-links > a:hover,
.nav-links > .nav-item > .nav-link:hover {
  color: var(--header-text);
  background: var(--header-hover-bg);
}

.nav-links > a[aria-current="page"],
.nav-links > .nav-item > .nav-link[aria-current="page"] {
  color: var(--header-text);
  font-weight: 600;
  background: var(--header-active-bg);
}

/* Mega 下拉 */
.nav-item {
  position: relative;
}

.nav-item > .nav-link {
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}

.nav-item > .nav-link::after {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  margin-left: 0.35rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition);
}

.nav-item.is-open > .nav-link::after {
  transform: rotate(-135deg) translateY(1px);
}

.mega-panel {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 280px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  z-index: 100;
}

.nav-item.is-open .mega-panel {
  display: block;
}

.mega-panel a {
  display: block;
  padding: 0.625rem 0.875rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  text-decoration: none;
}

.mega-panel a:hover {
  background: rgba(4, 130, 249, 0.06);
  color: var(--color-primary);
}

.mega-panel a small {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  margin-top: 0.15rem;
}

/* 汉堡按钮 — 必须在 HTML 里 */
#nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

#nav-toggle:hover {
  background: var(--header-hover-bg);
}

#nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--header-text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

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

#nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

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

/* 移动端遮罩 */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(18, 19, 21, 0.4);
  z-index: 998;
}

.nav-overlay.is-visible {
  display: block;
}

/* 页脚 */
.site-footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.footer-brand .site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand .site-logo img:first-child {
  height: 36px;
  width: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-brand .site-logo__text {
  height: 28px;
  width: auto;
  max-width: 8rem;
  object-fit: contain;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
  color: var(--color-title);
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-footer-text);
  font-size: 0.875rem;
}

.footer-bottom a {
  color: var(--color-footer-text);
}

.footer-bottom a:hover {
  color: var(--color-primary);
}

/* 面包屑 */
.breadcrumb {
  padding: var(--space-sm) 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

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

.breadcrumb span {
  margin: 0 0.35rem;
}

/* 右侧邮箱悬浮 */
.float-contact {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.float-contact__btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.float-contact__btn:hover {
  background: var(--color-primary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
}

.float-contact__close {
  display: none;
  width: 28px;
  height: 28px;
  border: none;
  background: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: var(--color-text-muted);
}

/* CTA 区块 */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-bright));
  color: var(--color-white);
  text-align: center;
  padding: var(--space-2xl) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-section p {
  opacity: 0.92;
  max-width: 560px;
  margin: 0 auto var(--space-lg);
}

.cta-section .btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary-hover);
}