/* =========================================================
   Enterprise Precision Visual Upgrade
   目标：
   1. 现代高端科技风格，统一科技蓝 / 高级灰 / 中性白配色
   2. 毛玻璃仅用于核心模块：导航、核心卡片、下拉层、按钮交互态
   3. 页脚、普通文本区、表单输入框保持简洁实色风格
   4. 修复字体图标兼容显示异常，增强移动端与低兼容环境表现
   ========================================================= */

:root {
  --color-primary: #165dff;
  --color-primary-deep: #0f4de0;
  --color-primary-soft: rgba(22, 93, 255, 0.08);
  --color-accent: #4da3ff;
  --color-bg: #f4f7fb;
  --color-bg-soft: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-soft: rgba(255, 255, 255, 0.76);
  --color-text: #1f2d3d;
  --color-text-secondary: #5f6b7a;
  --color-text-muted: #8a94a6;
  --color-border: rgba(15, 23, 42, 0.08);
  --color-border-strong: rgba(22, 93, 255, 0.18);
  --color-dark-surface: #132238;
  --shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 14px 40px rgba(15, 32, 68, 0.08);
  --shadow-hover: 0 18px 42px rgba(22, 93, 255, 0.14);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --glass-bg-light: rgba(255, 255, 255, 0.2);
  --glass-border-light: rgba(255, 255, 255, 0.3);
  --glass-bg-dark: rgba(0, 0, 0, 0.2);
  --glass-border-dark: rgba(0, 0, 0, 0.3);
  --glass-blur: blur(8px);
  --container-gap: 96px;
  --title-size: 24px;
  --body-size: 15px;
  --body-line: 1.75;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--color-text);
  font-size: var(--body-size);
  line-height: var(--body-line);
  background:
    radial-gradient(circle at top left, rgba(77, 163, 255, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(22, 93, 255, 0.10), transparent 28%),
    linear-gradient(180deg, #f7faff 0%, #f4f7fb 46%, #eef3f8 100%);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.6) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.14;
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  right: -160px;
  bottom: -180px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 93, 255, 0.18) 0%, rgba(22, 93, 255, 0) 72%);
  filter: blur(34px);
  pointer-events: none;
  z-index: -1;
}

a,
button,
input,
textarea,
select,
.nav-link,
.dropdown-item,
.iq-button,
.page-link {
  transition: color 0.28s ease, background-color 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
}

p,
li,
span,
dd,
dt {
  color: var(--color-text-secondary);
}

p {
  margin-bottom: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
.iq-title,
.counter-title-text,
.iq-fancy-title,
.footer-title,
.icon-box-title,
.iq-step-title,
.tab-title,
.widget-title,
.blog-title h5 {
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.iq-title {
  font-size: var(--title-size);
  line-height: 1.35;
}

.iq-title-desc,
.icon-box-desc,
.iq-step-desc,
.fancy-box-content,
.blog-content p,
.iq-blog-detail p,
.tab-title-desc,
.textwidget p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.main-content section,
.overview-block-ptb,
.iq-counter-section,
.iq-fancy-box-section,
.iq-blog-section,
.iq-testimonial-section {
  position: relative;
  z-index: 1;
  padding-top: var(--container-gap);
  padding-bottom: var(--container-gap);
}

.main-content section.pt-0,
.iq-fancy-box-section.pt-0,
.iq-blog-section.pt-0,
.iq-testimonial-section.pt-0 {
  padding-top: 0;
}

#main-header,
.header-main,
.header-main.header2 {
  background: var(--glass-bg-light);
  border-bottom: 1px solid var(--glass-border-light);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

.navbar {
  min-height: 84px;
}

.navbar-brand img {
  max-height: 44px;
  width: auto;
}

.navbar-light .navbar-nav .nav-link,
.navbar-light .navbar-nav .nav-link.active {
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.72rem 1rem;
  border-radius: 999px;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link.active:hover,
.navbar-light .navbar-nav .show > .nav-link {
  color: var(--color-primary);
  background: rgba(22, 93, 255, 0.08);
}

.dropdown-menu {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

.dropdown-menu .dropdown-item {
  color: var(--color-text);
}

.dropdown-menu .dropdown-item:hover {
  color: var(--color-primary);
  background: rgba(22, 93, 255, 0.08);
}

.sub-main ul {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 10px 14px;
  list-style: none;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

.iq-button,
.rev-btn,
.page-link,
.search-submit {
  border-radius: 999px !important;
  border: 1px solid rgba(22, 93, 255, 0.16);
  box-shadow: 0 10px 24px rgba(22, 93, 255, 0.12);
}

.iq-button.default,
.rev-btn,
.iq-button.iq-btn-flat,
.pagination .iq-button {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #ffffff !important;
}

.iq-button:hover,
.rev-btn:hover,
.page-link:hover,
.search-submit:hover,
.iq-button:active,
.rev-btn:active {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 14px 30px rgba(22, 93, 255, 0.18);
}

.iq-button.iq-btn-outline,
.sub-main .login {
  background: rgba(255, 255, 255, 0.24);
  color: var(--color-primary) !important;
  border: 1px solid rgba(22, 93, 255, 0.18);
}

.text-left.iq-breadcrumb-one,
.iq-breadcrumb-one {
  padding: 88px 0 44px;
  background:
    linear-gradient(135deg, rgba(19, 34, 56, 0.86), rgba(22, 93, 255, 0.74)),
    radial-gradient(circle at top right, rgba(77, 163, 255, 0.24), transparent 34%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.iq-breadcrumb-two .title,
.iq-breadcrumb-two .breadcrumb-item,
.iq-breadcrumb-two .breadcrumb-item a {
  color: #ffffff !important;
}

.iq-breadcrumb-two .title {
  font-size: 40px;
  line-height: 1.2;
  font-weight: 700;
}

.iq-subtitle {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(22, 93, 255, 0.08);
  border: 1px solid rgba(22, 93, 255, 0.12);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.iq-icon-box,
.iq-counter,
.iq-fancy-box,
.iq-blog-box,
.iq-process-step,
.iq-testimonial-info,
.iq-fancy-box-list,
.iq-tabs,
.iq-accordion-block {
  background: var(--color-surface-soft);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

.iq-icon-box,
.iq-counter,
.iq-fancy-box,
.iq-blog-box,
.iq-process-step,
.iq-testimonial-info,
.iq-fancy-box-list {
  overflow: hidden;
}

.iq-icon-box:hover,
.iq-counter:hover,
.iq-fancy-box:hover,
.iq-blog-box:hover,
.iq-process-step:hover,
.iq-testimonial-info:hover,
.iq-fancy-box-list:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.iq-icon-box,
.iq-fancy-box,
.iq-counter,
.iq-process-step,
.iq-blog-detail,
.iq-testimonial-info,
.iq-fancy-box-list {
  padding: 28px;
}

.iq-blog-detail {
  padding: 28px 28px 30px;
}

.iq-icon-box .icon-box-img,
.iq-step-content,
.iq-fancy-box .iq-img-area,
.iq-fancy-box-list .iq-img-area {
  width: 76px;
  height: 76px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 20px;
  background: rgba(22, 93, 255, 0.08);
}

.iq-icon-box .icon-box-img img,
.iq-step-content img,
.iq-fancy-box .iq-img-area img,
.iq-fancy-box-list .iq-img-area img {
  max-width: 44px;
}

.iq-list-with-icon {
  margin: 0;
  padding: 0;
  list-style: none;
}

.iq-list-with-icon li {
  color: var(--color-text);
  margin-bottom: 14px;
  line-height: 1.75;
}

.iq-list-with-icon i {
  color: var(--color-primary);
  margin-right: 8px;
}

.iq-tabs .nav-pills .nav-link {
  border-radius: 18px;
  border: 1px solid transparent;
}

.iq-tabs .nav-pills .nav-link.active,
.iq-tabs .nav-pills .show > .nav-link {
  background: rgba(22, 93, 255, 0.08);
  border-color: rgba(22, 93, 255, 0.16);
}

.table {
  color: var(--color-text);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.table thead th {
  background: rgba(22, 93, 255, 0.08);
  border-bottom: 1px solid rgba(22, 93, 255, 0.12);
  color: var(--color-text);
}

.table td,
.table th {
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  vertical-align: middle;
}

.iq-testimonial-section.light-gray-bg,
.iq-blog-section,
.iq-counter-section,
.iq-fancy-box-section,
.overview-block-ptb {
  background: transparent !important;
}

.iq-application {
  position: relative;
  overflow: hidden;
  margin: 0 16px 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.iq-application::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19, 34, 56, 0.88), rgba(22, 93, 255, 0.72));
}

.iq-application .container,
.iq-application .row,
.iq-application .iq-title-box,
.iq-application .iq-btn-container {
  position: relative;
  z-index: 1;
}

.iq-application .iq-title,
.iq-application .iq-title-desc,
.iq-application .iq-button {
  color: #ffffff;
}

.footer-top,
.copyright-footer,
.iq-over-dark-90 {
  background: #132238 !important;
}

.footer-top {
  padding-top: 72px;
}

.footer-top .widget,
.copyright-footer .pt-3,
.textwidget,
.iq-contact {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  padding: 0;
}

.footer-top p,
.footer-top a,
.footer-top span,
.copyright,
.copyright a,
.social-icone a,
.iq-contact li,
.iq-contact li span {
  color: rgba(255, 255, 255, 0.88) !important;
}

.footer-title {
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-top .menu,
.footer-top .iq-contact {
  list-style: none;
  padding-left: 0;
}

.footer-top .menu li,
.footer-top .iq-contact li {
  margin-bottom: 12px;
}

.footer-top .menu a:hover,
.footer-top .iq-contact a:hover,
.social-icone a:hover {
  color: #9bc6ff !important;
}

.social-icone ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.social-icone a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.search-field {
  width: 100%;
  min-height: 48px;
  padding: 0 18px;
  color: var(--color-text);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.search-field:focus {
  outline: none;
  border-color: rgba(22, 93, 255, 0.35);
  box-shadow: 0 0 0 4px rgba(22, 93, 255, 0.10);
}

.blog-button .iq-btn-link,
.iq-btn-link {
  color: var(--color-primary);
  font-weight: 600;
}

.pagination {
  gap: 10px;
  flex-wrap: wrap;
}

.pagination .page-link,
.pagination .iq-button {
  min-width: 46px;
  text-align: center;
  border-radius: 999px !important;
}

.alert {
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

#back-to-top .top {
  width: 48px;
  height: 48px;
  right: 24px;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  box-shadow: 0 12px 28px rgba(22, 93, 255, 0.24);
}

#loading {
  background: rgba(244, 247, 251, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.load-img img {
  width: 56px;
  height: 56px;
}

img[loading="lazy"] {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

img[loading="lazy"]:hover {
  transform: translateY(-2px);
}

.rs-layer-wrap,
rs-module-wrap {
  isolation: isolate;
}

.glass-panel,
.glass-card {
  background: var(--color-surface-soft);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

.enterprise-note {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.8;
}

/* 图标字体兼容修复 */
.fa,
.fab,
.fad,
.fal,
.far,
.fas,
.ion,
[class^="ion-"],
[class*=" ion-"] {
  display: inline-block;
  font-style: normal;
  font-variant: normal;
  text-rendering: auto;
  line-height: 1;
  speak: none;
  vertical-align: middle;
}

.ion,
[class^="ion-"],
[class*=" ion-"] {
  font-family: "Ionicons" !important;
}

.fa,
.fas,
.far,
.fab,
.fal,
.fad {
  font-family: "FontAwesome" !important;
}

.navbar-toggler .ion-navicon,
#back-to-top .ion-ios-arrow-up,
.iq-contact i,
.social-icone i,
.iq-blog-meta i,
.iq-testimonial-quote i,
.iq-list-with-icon i {
  overflow: visible;
}

@supports not ((-webkit-backdrop-filter: blur(2px)) or (backdrop-filter: blur(2px))) {
  #main-header,
  .header-main,
  .header-main.header2,
  .dropdown-menu,
  .sub-main ul,
  .iq-icon-box,
  .iq-counter,
  .iq-fancy-box,
  .iq-blog-box,
  .iq-process-step,
  .iq-testimonial-info,
  .iq-fancy-box-list,
  .iq-tabs,
  .iq-accordion-block,
  .glass-panel,
  .glass-card {
    background: rgba(255, 255, 255, 0.94);
  }

  .iq-button:hover,
  .rev-btn:hover,
  .page-link:hover,
  .search-submit:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  }
}

@media (max-width: 1199.98px) {
  :root {
    --container-gap: 84px;
  }

  .iq-breadcrumb-two .title {
    font-size: 34px;
  }

  .iq-application {
    margin-left: 0;
    margin-right: 0;
    border-radius: var(--radius-md);
  }
}

@media (max-width: 991.98px) {
  :root {
    --container-gap: 72px;
  }

  .navbar-collapse {
    margin-top: 16px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: var(--radius-md);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
  }

  .sub-main {
    margin-top: 16px;
  }

  .sub-main ul {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .iq-breadcrumb-two .title {
    font-size: 30px;
  }

  .iq-icon-box,
  .iq-fancy-box,
  .iq-counter,
  .iq-process-step,
  .iq-blog-detail,
  .iq-testimonial-info,
  .iq-fancy-box-list {
    padding: 22px;
  }
}

@media (max-width: 767.98px) {
  :root {
    --container-gap: 56px;
    --title-size: 20px;
    --body-size: 14px;
  }

  body {
    background-attachment: scroll;
  }

  body::before,
  body::after {
    opacity: 0.08;
  }

  .navbar {
    min-height: 72px;
  }

  .navbar-brand img {
    max-height: 38px;
  }

  .iq-breadcrumb-one {
    padding: 72px 0 30px;
  }

  .iq-breadcrumb-two .title {
    font-size: 26px;
  }

  .iq-title {
    line-height: 1.35 !important;
  }

  .search-form {
    flex-wrap: wrap;
  }

  .search-submit {
    width: 100%;
    min-height: 46px;
  }

  .footer-top {
    padding-top: 48px;
  }

  #back-to-top .top {
    right: 16px;
    bottom: 16px;
  }

  .iq-icon-box,
  .iq-counter,
  .iq-fancy-box,
  .iq-blog-box,
  .iq-process-step,
  .iq-testimonial-info,
  .iq-fancy-box-list {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(255, 255, 255, 0.94);
  }

  .sub-main ul,
  .navbar-collapse {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}