/**
* Template Name: Techie
* Template URL: https://bootstrapmade.com/techie-free-skin-bootstrap-3/
* Updated: Aug 07 2024 with Bootstrap v5.3.3
* Author: BootstrapMade.com
* License: https://bootstrapmade.com/license/
*/

/*--------------------------------------------------------------
# Font & Color Variables
# Help: https://bootstrapmade.com/color-system/
--------------------------------------------------------------*/
/* Fonts */
:root {
  --default-font: "Roboto",  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --heading-font: "Raleway",  sans-serif;
  --nav-font: "Roboto",  sans-serif;
}

/* Global Colors - The following color variables are used throughout the website. Updating them here will change the color scheme of the entire website */
:root { 
  --background-color: #ffffff; /* Background color for the entire website, including individual sections */
  --default-color: #e2e8f0; /* Default color used for the majority of the text content across the entire website */
  --heading-color: #ffffff; /* Color for headings, subheadings and title throughout the website */
  --accent-color: #5846f9; /* Accent color that represents your brand on the website. It's used for buttons, links, and other elements that need to stand out */
  --surface-color: rgba(255, 255, 255, 0.1); /* The surface color is used as a background of boxed elements within sections, such as cards, icon boxes, or other elements that require a visual separation from the global background. */
  --contrast-color: #ffffff; /* Contrast color for text, ensuring readability against backgrounds of accent, heading, or default colors. */
  
  /* 统一设计系统变量 */
  --primary-blue: rgba(59, 130, 246, 1);
  --primary-purple: rgba(139, 92, 246, 1);
  --white-opacity-03: rgba(255, 255, 255, 0.03);
  --white-opacity-06: rgba(255, 255, 255, 0.06);
  --white-opacity-08: rgba(255, 255, 255, 0.08);
  --white-opacity-10: rgba(255, 255, 255, 0.1);
  --white-opacity-15: rgba(255, 255, 255, 0.15);
  --white-opacity-20: rgba(255, 255, 255, 0.2);
  --white-opacity-25: rgba(255, 255, 255, 0.25);
  --white-opacity-75: rgba(255, 255, 255, 0.75);
  --white-opacity-85: rgba(255, 255, 255, 0.85);
  --blue-opacity-03: rgba(59, 130, 246, 0.3);
  --blue-opacity-06: rgba(59, 130, 246, 0.6);
  --blue-opacity-07: rgba(59, 130, 246, 0.7);
  --purple-opacity-04: rgba(139, 92, 246, 0.4);
  --purple-opacity-05: rgba(139, 92, 246, 0.5);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.4s ease;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 40px;
}

/* Nav Menu Colors - The following color variables are used specifically for the navigation menu. They are separate from the global colors to allow for more customization options */
:root {
  --nav-color: rgba(255, 255, 255, 0.8);  /* The default color of the main navmenu links */
  --nav-hover-color: #ffffff; /* Applied to main navmenu links when they are hovered over or active */
  --nav-mobile-background-color: rgba(5, 8, 22, 0.95); /* Used as the background color for mobile navigation menu */
  --nav-dropdown-background-color: rgba(5, 8, 22, 0.95); /* Used as the background color for dropdown items that appear when hovering over primary navigation items */
  --nav-dropdown-color: #e2e8f0; /* Used for navigation links of the dropdown items in the navigation menu. */
  --nav-dropdown-hover-color: #5846f9; /* Similar to --nav-hover-color, this color is applied to dropdown navigation links when they are hovered over. */
}

/* Color Presets - These classes override global colors when applied to any section or element, providing reuse of the sam color scheme. */

.light-background {
  --background-color: #f9f8ff;
  --surface-color: #ffffff;
}

.dark-background {
  --background-color: #060606;
  --default-color: #ffffff;
  --heading-color: #ffffff;
  --surface-color: #202020;
  --contrast-color: #ffffff;
}

.accent-background {
  --background-color: #5846f9;
  --default-color: #ffffff;
  --heading-color: #ffffff;
  --accent-color: #ffffff;
  --surface-color: #7c25ba;
  --contrast-color: #ffffff;
}

/* Smooth scroll */
:root {
  scroll-behavior: smooth;
}

/*--------------------------------------------------------------
# General Styling & Shared Classes
--------------------------------------------------------------*/
body {
  color: var(--default-color);
  background:
    radial-gradient(ellipse at top left, rgba(59, 130, 246, 0.65) 0, transparent 52%),
    radial-gradient(ellipse at bottom right, rgba(129, 140, 248, 0.7) 0, transparent 55%),
    linear-gradient(135deg, #050816 0%, #11052b 46%, #1a1445 100%);
  background-size: cover;
  background-attachment: fixed;
  font-family: var(--default-font);
  position: relative;
  overflow-x: hidden;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: 0.3s;
}

a:hover {
  color: color-mix(in srgb, var(--accent-color), transparent 25%);
  text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--heading-color);
  font-family: var(--heading-font);
}

/* PHP Email Form Messages
------------------------------*/
.php-email-form .error-message {
  display: none;
  background: #df1529;
  color: #ffffff;
  text-align: left;
  padding: 15px;
  margin-bottom: 24px;
  font-weight: 600;
}

.php-email-form .sent-message {
  display: none;
  color: #ffffff;
  background: #059652;
  text-align: center;
  padding: 15px;
  margin-bottom: 24px;
  font-weight: 600;
}

.php-email-form .loading {
  display: none;
  background: var(--surface-color);
  text-align: center;
  padding: 15px;
  margin-bottom: 24px;
}

.php-email-form .loading:before {
  content: "";
  display: inline-block;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  margin: 0 10px -6px 0;
  border: 3px solid var(--accent-color);
  border-top-color: var(--surface-color);
  animation: php-email-form-loading 1s linear infinite;
}

@keyframes php-email-form-loading {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/*--------------------------------------------------------------
# Global Header
--------------------------------------------------------------*/
.header {
  --background-color: rgba(0, 0, 0, 0);
  --default-color: #ffffff;
  --heading-color: #ffffff;
  color: var(--default-color);
  background-color: var(--background-color);
  padding: 20px 0;
  transition: all 0.5s;
  z-index: 997;
}

.header .logo {
  line-height: 1;
}

.header .logo img {
  max-height: 36px;
  margin-right: 8px;
}

.header .logo h1 {
  font-size: 36px;
  margin: 0;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: none;
  font-family: var(--heading-font);
  color: #ffffff;
  text-shadow: 
    1px 1px 0 rgba(0, 0, 0, 0.3),
    2px 2px 0 rgba(0, 0, 0, 0.25),
    3px 3px 0 rgba(0, 0, 0, 0.2),
    4px 4px 0 rgba(0, 0, 0, 0.15),
    5px 5px 0 rgba(0, 0, 0, 0.1),
    6px 6px 8px rgba(0, 0, 0, 0.4),
    0 0 10px rgba(59, 130, 246, 0.3),
    0 0 20px rgba(139, 92, 246, 0.2);
  transition: all 0.3s ease;
  display: inline-block;
  position: relative;
}

.header .logo h1::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(59, 130, 246, 0.8),
    rgba(139, 92, 246, 0.8),
    transparent
  );
  transition: width 0.5s ease;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
}

.header .logo h1:hover::after {
  width: 100%;
}

.header .logo h1:hover {
  transform: scale(1.05);
  text-shadow: 
    1px 1px 0 rgba(0, 0, 0, 0.35),
    2px 2px 0 rgba(0, 0, 0, 0.3),
    3px 3px 0 rgba(0, 0, 0, 0.25),
    4px 4px 0 rgba(0, 0, 0, 0.2),
    5px 5px 0 rgba(0, 0, 0, 0.15),
    6px 6px 0 rgba(0, 0, 0, 0.1),
    7px 7px 10px rgba(0, 0, 0, 0.5),
    0 0 15px rgba(59, 130, 246, 0.5),
    0 0 30px rgba(139, 92, 246, 0.4);
}

.header .btn-getstarted,
.header .btn-getstarted:focus {
  color: var(--contrast-color);
  font-size: 14px;
  padding: 7px 25px;
  margin: 0 0 0 30px;
  border-radius: 4px;
  transition: 0.3s;
  border: 2px solid color-mix(in srgb, var(--contrast-color), transparent 50%);
}

.header .btn-getstarted:hover,
.header .btn-getstarted:focus:hover {
  color: var(--contrast-color);
  border-color: var(--contrast-color);
}

@media (max-width: 1200px) {
  .header .logo {
    order: 1;
  }

  .header .logo h1 {
    font-size: 32px;
    letter-spacing: 0.15em;
  }

  .header .btn-getstarted {
    order: 2;
    margin: 0 15px 0 0;
    padding: 6px 15px;
  }

  .header .navmenu {
    order: 3;
  }
}

@media (max-width: 768px) {
  .header .logo h1 {
    font-size: 28px;
    letter-spacing: 0.1em;
  }
}

.scrolled .header {
  box-shadow: 
    0px 0 18px rgba(0, 0, 0, 0.1),
    0 0 30px rgba(59, 130, 246, 0.1),
    0 0 60px rgba(139, 92, 246, 0.05);
  backdrop-filter: blur(20px);
  background-color: rgba(5, 8, 22, 0.8);
}

/* Global Header on Scroll
------------------------------*/
/* Removed background color change on scroll to keep header color consistent */
/* .scrolled .header {
  --background-color: rgba(77, 44, 169, 0.9);
} */

/*--------------------------------------------------------------
# Navigation Menu
--------------------------------------------------------------*/
/* Desktop Navigation */
@media (min-width: 1200px) {
  .navmenu {
    padding: 0;
  }

  .navmenu ul {
    margin: 0;
    padding: 0;
    display: flex;
    list-style: none;
    align-items: center;
  }

  .navmenu li {
    position: relative;
  }

  .navmenu>ul>li {
    white-space: nowrap;
    padding: 15px 14px;
  }

  .navmenu>ul>li:last-child {
    padding-right: 0;
  }

  .navmenu a,
  .navmenu a:focus {
    color: var(--nav-color);
    font-size: 15px;
    padding: 0 2px;
    font-family: var(--nav-font);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    white-space: nowrap;
    transition: 0.3s;
    position: relative;
    text-shadow: 0 0 5px rgba(59, 130, 246, 0.2);
  }

  .navmenu a i,
  .navmenu a:focus i {
    font-size: 12px;
    line-height: 0;
    margin-left: 5px;
    transition: 0.3s;
  }

  .navmenu>ul>li>a:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -6px;
    left: 0;
    background: linear-gradient(
      to right,
      transparent,
      rgba(59, 130, 246, 0.8),
      rgba(139, 92, 246, 0.8),
      transparent
    );
    visibility: hidden;
    width: 0px;
    transition: all 0.3s ease-in-out 0s;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
  }

  .navmenu a:hover:before,
  .navmenu li:hover>a:before,
  .navmenu .active:before {
    visibility: visible;
    width: 100%;
  }

  .navmenu li:hover>a,
  .navmenu .active,
  .navmenu .active:focus {
    color: var(--nav-hover-color);
    text-shadow: 
      0 0 10px rgba(59, 130, 246, 0.4),
      0 0 20px rgba(139, 92, 246, 0.3);
  }

  .navmenu .dropdown ul {
    margin: 0;
    padding: 12px 0;
    background: linear-gradient(135deg, rgba(5, 8, 22, 0.98) 0%, rgba(15, 20, 40, 0.98) 100%);
    display: block;
    position: absolute;
    visibility: hidden;
    left: 14px;
    top: 130%;
    opacity: 0;
    transition: all 0.3s ease;
    border-radius: 12px;
    z-index: 99;
    box-shadow: 
      0 8px 32px rgba(0, 0, 0, 0.4),
      0 0 20px rgba(59, 130, 246, 0.15),
      0 0 40px rgba(139, 92, 246, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    backdrop-filter: blur(20px);
    overflow: hidden;
  }

  .navmenu .dropdown ul::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
      135deg,
      rgba(59, 130, 246, 0.05) 0%,
      transparent 50%,
      rgba(139, 92, 246, 0.05) 100%
    );
    pointer-events: none;
  }

  .navmenu .dropdown ul li {
    min-width: 220px;
    position: relative;
  }

  .navmenu .dropdown ul li::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10px;
    right: 10px;
    height: 1px;
    background: linear-gradient(
      to right,
      transparent,
      rgba(59, 130, 246, 0.2),
      transparent
    );
  }

  .navmenu .dropdown ul li:last-child::after {
    display: none;
  }

  .navmenu .dropdown ul a {
    padding: 12px 24px;
    font-size: 15px;
    text-transform: none;
    color: var(--nav-dropdown-color);
    position: relative;
    transition: all 0.3s ease;
    display: block;
  }

  .navmenu .dropdown ul a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(
      to bottom,
      rgba(59, 130, 246, 0.8),
      rgba(139, 92, 246, 0.8)
    );
    transform: scaleY(0);
    transition: transform 0.3s ease;
  }

  .navmenu .dropdown ul a i {
    font-size: 12px;
  }

  .navmenu .dropdown ul a:hover,
  .navmenu .dropdown ul .active:hover,
  .navmenu .dropdown ul li:hover>a {
    color: var(--nav-dropdown-hover-color);
    background: rgba(59, 130, 246, 0.1);
    padding-left: 28px;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
  }

  .navmenu .dropdown ul a:hover::before,
  .navmenu .dropdown ul li:hover>a::before {
    transform: scaleY(1);
  }

  .navmenu .dropdown:hover>ul {
    opacity: 1;
    top: 100%;
    visibility: visible;
    animation: dropdown-slide-in 0.3s ease;
  }

  @keyframes dropdown-slide-in {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .navmenu .dropdown .dropdown ul {
    top: 0;
    left: -90%;
    visibility: hidden;
  }

  .navmenu .dropdown .dropdown:hover>ul {
    opacity: 1;
    top: 0;
    left: -100%;
    visibility: visible;
  }
}

/* Mobile Navigation */
@media (max-width: 1199px) {
  .mobile-nav-toggle {
    color: var(--nav-color);
    font-size: 28px;
    line-height: 0;
    margin-right: 10px;
    cursor: pointer;
    transition: color 0.3s;
  }

  .navmenu {
    padding: 0;
    z-index: 9997;
  }

  .navmenu ul {
    display: none;
    list-style: none;
    position: absolute;
    inset: 60px 20px 20px 20px;
    padding: 10px 0;
    margin: 0;
    border-radius: 6px;
    background-color: var(--nav-mobile-background-color);
    border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
    box-shadow: none;
    overflow-y: auto;
    transition: 0.3s;
    z-index: 9998;
  }

  .navmenu a,
  .navmenu a:focus {
    color: var(--nav-dropdown-color);
    padding: 10px 20px;
    font-family: var(--nav-font);
    font-size: 17px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    white-space: nowrap;
    transition: 0.3s;
  }

  .navmenu a i,
  .navmenu a:focus i {
    font-size: 12px;
    line-height: 0;
    margin-left: 5px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: 0.3s;
    background-color: color-mix(in srgb, var(--accent-color), transparent 90%);
  }

  .navmenu a i:hover,
  .navmenu a:focus i:hover {
    background-color: var(--accent-color);
    color: var(--contrast-color);
  }

  .navmenu a:hover,
  .navmenu .active,
  .navmenu .active:focus {
    color: var(--nav-dropdown-hover-color);
  }

  .navmenu .active i,
  .navmenu .active:focus i {
    background-color: var(--accent-color);
    color: var(--contrast-color);
    transform: rotate(180deg);
  }

  .navmenu .dropdown ul {
    position: static;
    display: none;
    z-index: 99;
    padding: 10px 0;
    margin: 10px 20px;
    background-color: var(--nav-dropdown-background-color);
    transition: all 0.5s ease-in-out;
  }

  .navmenu .dropdown ul ul {
    background-color: rgba(33, 37, 41, 0.1);
  }

  .navmenu .dropdown>.dropdown-active {
    display: block;
    background-color: rgba(33, 37, 41, 0.03);
  }

  .mobile-nav-active {
    overflow: hidden;
  }

  .mobile-nav-active .mobile-nav-toggle {
    color: #fff;
    position: absolute;
    font-size: 32px;
    top: 15px;
    right: 15px;
    margin-right: 0;
    z-index: 9999;
  }

  .mobile-nav-active .navmenu {
    position: fixed;
    overflow: hidden;
    inset: 0;
    background: rgba(33, 37, 41, 0.8);
    transition: 0.3s;
  }

  .mobile-nav-active .navmenu>ul {
    display: block;
  }
}

/*--------------------------------------------------------------
# Global Footer
--------------------------------------------------------------*/
.footer {
  color: var(--default-color);
  background: transparent;
  font-size: 14px;
  padding-bottom: 50px;
  position: relative;
}

.footer .footer-top {
  padding-top: 50px;
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
}

.footer .footer-about .logo {
  line-height: 1;
  margin-bottom: 25px;
}

.footer .footer-about .logo img {
  max-height: 40px;
  margin-right: 6px;
}

.footer .footer-about .logo span {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--heading-font);
  background: linear-gradient(120deg, #e0f2fe, #38bdf8 20%, #a855f7 55%, #f97316 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.5), 0 0 40px rgba(88, 70, 249, 0.8);
}

.footer .footer-about p {
  font-size: 14px;
  font-family: var(--heading-font);
}

.footer .social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 50%);
  font-size: 16px;
  color: color-mix(in srgb, var(--default-color), transparent 50%);
  margin-right: 10px;
  transition: 0.3s;
}

.footer .social-links a:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.footer h4 {
  font-size: 16px;
  font-weight: bold;
  position: relative;
  padding-bottom: 12px;
}

.footer .footer-links {
  margin-bottom: 30px;
}

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

.footer .footer-links ul i {
  padding-right: 2px;
  font-size: 12px;
  line-height: 0;
}

.footer .footer-links ul li {
  padding: 10px 0;
  display: flex;
  align-items: center;
}

.footer .footer-links ul li:first-child {
  padding-top: 0;
}

.footer .footer-links ul a {
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  display: inline-block;
  line-height: 1;
}

.footer .footer-links ul a:hover {
  color: var(--accent-color);
}

.footer .footer-contact p {
  margin-bottom: 5px;
}

.footer .copyright {
  padding-top: 25px;
  padding-bottom: 25px;
  background-color: transparent;
}

.footer .copyright p {
  margin-bottom: 0;
}

.footer .credits {
  margin-top: 6px;
  font-size: 13px;
}

.footer .copyright .sitename {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(120deg, #e0f2fe, #38bdf8 25%, #a855f7 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/*--------------------------------------------------------------
# Preloader - 增强科技感加载动画
--------------------------------------------------------------*/
#preloader {
  position: fixed;
  inset: 0;
  z-index: 999999;
  overflow: hidden;
  background: radial-gradient(circle at center, 
    rgba(15, 20, 40, 1) 0%, 
    rgba(5, 8, 22, 1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: all 0.8s ease-out;
}

/* 加载动画容器 */
#preloader::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  animation: preloader-bg-pulse 3s ease-in-out infinite;
}

@keyframes preloader-bg-pulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

/* 创建加载器中心容器 - 外环 */
.preloader-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid transparent;
  border-top-color: #667eea;
  border-right-color: #764ba2;
  border-radius: 50%;
  animation: preloader-spin 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
  box-shadow: 
    0 0 20px rgba(59, 130, 246, 0.5),
    0 0 40px rgba(139, 92, 246, 0.3),
    inset 0 0 20px rgba(59, 130, 246, 0.2);
  z-index: 10;
}

/* 中环 */
.preloader-ring-middle {
  position: absolute;
  width: 90px;
  height: 90px;
  border: 3px solid transparent;
  border-left-color: #f093fb;
  border-bottom-color: #667eea;
  border-radius: 50%;
  animation: preloader-spin-reverse 2s linear infinite;
  box-shadow: 0 0 15px rgba(240, 147, 251, 0.4);
}

/* 内环 */
.preloader-ring-inner {
  position: absolute;
  width: 60px;
  height: 60px;
  border: 2px solid transparent;
  border-right-color: #764ba2;
  border-top-color: #f093fb;
  border-radius: 50%;
  animation: preloader-spin 1s ease-in-out infinite;
  box-shadow: 0 0 10px rgba(118, 75, 162, 0.5);
}

/* 中心点 */
.preloader-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  border-radius: 50%;
  animation: preloader-pulse 1.5s ease-in-out infinite;
  box-shadow: 
    0 0 20px rgba(59, 130, 246, 0.8),
    0 0 40px rgba(139, 92, 246, 0.6);
}

/* 欢迎文字 */
.preloader-text {
  position: absolute;
  bottom: 35%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: preloader-text-gradient 2s ease infinite, preloader-text-fade 2s ease-in-out infinite;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 10;
}

/* 加载进度条 */
.preloader-progress {
  position: absolute;
  bottom: 30%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  z-index: 10;
}

.preloader-progress::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  animation: preloader-progress-fill 2s ease-in-out infinite;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.8);
}

/* 粒子效果 */
.preloader-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(59, 130, 246, 0.6);
  border-radius: 50%;
  animation: preloader-particle-float 3s ease-in-out infinite;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.8);
}

.preloader-particle:nth-child(1) {
  top: 20%;
  left: 30%;
  animation-delay: 0s;
}

.preloader-particle:nth-child(2) {
  top: 40%;
  left: 70%;
  animation-delay: 0.5s;
  background: rgba(139, 92, 246, 0.6);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.8);
}

.preloader-particle:nth-child(3) {
  top: 60%;
  left: 20%;
  animation-delay: 1s;
  background: rgba(240, 147, 251, 0.6);
  box-shadow: 0 0 10px rgba(240, 147, 251, 0.8);
}

.preloader-particle:nth-child(4) {
  top: 70%;
  left: 80%;
  animation-delay: 1.5s;
}

.preloader-particle:nth-child(5) {
  top: 30%;
  left: 50%;
  animation-delay: 2s;
  background: rgba(139, 92, 246, 0.6);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.8);
}

/* 动画定义 */
@keyframes preloader-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes preloader-spin-reverse {
  0% {
    transform: rotate(360deg);
  }
  100% {
    transform: rotate(0deg);
  }
}

@keyframes preloader-pulse {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
}

@keyframes preloader-text-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes preloader-text-fade {
  0%, 100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes preloader-progress-fill {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

@keyframes preloader-particle-float {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-30px) scale(1.5);
    opacity: 0.8;
  }
}

/*--------------------------------------------------------------
# Scroll Top Button
--------------------------------------------------------------*/
.scroll-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 15px;
  bottom: 15px;
  z-index: 99999;
  background-color: var(--accent-color);
  width: 40px;
  height: 40px;
  border-radius: 4px;
  transition: all 0.4s;
}

.scroll-top i {
  font-size: 24px;
  color: var(--contrast-color);
  line-height: 0;
}

.scroll-top:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 20%);
  color: var(--contrast-color);
}

.scroll-top.active {
  visibility: visible;
  opacity: 1;
}

/*--------------------------------------------------------------
# Disable aos animation delay on mobile devices
--------------------------------------------------------------*/
@media screen and (max-width: 768px) {
  [data-aos-delay] {
    transition-delay: 0 !important;
  }
}

/*--------------------------------------------------------------
# Global Page Titles & Breadcrumbs
--------------------------------------------------------------*/
.page-title {
  color: var(--default-color);
  background: linear-gradient(45deg, var(--background-color) 0%, color-mix(in srgb, var(--surface-color), transparent 10%) 100%), url("../img/page-title-bg.jpg") top center no-repeat;
  background-size: cover;
  padding: 160px 0 80px 0;
  text-align: center;
  position: relative;
}

.page-title h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-title .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  justify-content: center;
  padding: 0;
  margin: 0;
  font-size: 16px;
  font-weight: 400;
}

.page-title .breadcrumbs ol li+li {
  padding-left: 10px;
}

.page-title .breadcrumbs ol li+li::before {
  content: "/";
  display: inline-block;
  padding-right: 10px;
  color: color-mix(in srgb, var(--default-color), transparent 50%);
}

/*--------------------------------------------------------------
# Global Sections
--------------------------------------------------------------*/
section,
.section {
  color: var(--default-color);
  background-color: transparent;
  padding: 60px 0;
  scroll-margin-top: 92px;
  overflow: clip;
}

@media (max-width: 1199px) {

  section,
  .section {
    scroll-margin-top: 77px;
  }
}

/*--------------------------------------------------------------
# Global Section Titles
--------------------------------------------------------------*/
.section-title {
  text-align: center;
  padding-bottom: 60px;
  position: relative;
}

.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  letter-spacing: 0.05em;
  animation: gradient-shift 3s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.section-title h2:after {
  content: "";
  position: absolute;
  display: block;
  width: 50px;
  height: 3px;
  background: linear-gradient(
    to right,
    transparent,
    var(--accent-color),
    rgba(59, 130, 246, 0.8),
    var(--accent-color),
    transparent
  );
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  box-shadow: 
    0 0 10px var(--accent-color),
    0 0 20px rgba(59, 130, 246, 0.5);
  animation: title-line-glow 2s ease-in-out infinite;
}

@keyframes title-line-glow {
  0%, 100% {
    opacity: 0.8;
    box-shadow: 
      0 0 10px var(--accent-color),
      0 0 20px rgba(59, 130, 246, 0.5);
  }
  50% {
    opacity: 1;
    box-shadow: 
      0 0 15px var(--accent-color),
      0 0 30px rgba(59, 130, 246, 0.7),
      0 0 40px rgba(139, 92, 246, 0.5);
  }
}

.section-title p {
  margin-bottom: 0;
}

/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
.hero {
  width: 100%;
  min-height: 100vh;
  position: relative;
  padding: 120px 0 60px 0;
  display: flex;
  align-items: center;
  background: transparent;
  margin-bottom: 0;
}

.hero h2 {
  margin: 0 0 14px 0;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, #ffffff 0%, #667eea 30%, #764ba2 60%, #f093fb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: hero-gradient-flow 4s ease infinite;
  filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.5)) 
          drop-shadow(0 0 60px rgba(139, 92, 246, 0.4));
}

@keyframes hero-gradient-flow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}


.hero .text-center h2 {
  margin-bottom: 20px;
}

.hero .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 196, 0.4);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.96);
}

.hero .hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.hero .hero-badge {
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 196, 0.45);
  background: rgba(15, 23, 42, 0.7);
  font-size: 12px;
  color: rgba(226, 232, 240, 0.96);
}

.hero p {
  color: color-mix(in srgb, var(--default-color), transparent 15%);
}

.hero .hero-description {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  line-height: 1.6;
  text-shadow: 
    0 0 15px rgba(59, 130, 246, 0.2),
    0 0 30px rgba(139, 92, 246, 0.15);
}

.hero .hero-features {
  margin-bottom: 32px;
}

.hero .hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--white-opacity-03);
  border: 1px solid var(--white-opacity-08);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.hero .hero-feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.hero .hero-feature-item:hover::before {
  left: 100%;
}

.hero .hero-feature-item:hover {
  background: var(--white-opacity-06);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateX(4px);
  box-shadow: 
    0 4px 16px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(59, 130, 246, 0.2);
}

.hero .hero-feature-item i {
  font-size: 24px;
  color: rgba(255, 255, 255, 0.8);
  flex-shrink: 0;
  margin-top: 2px;
  filter: drop-shadow(0 0 6px rgba(59, 130, 246, 0.4));
  transition: var(--transition-base);
}

.hero .hero-feature-item:hover i {
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.7)) drop-shadow(0 0 15px rgba(139, 92, 246, 0.5));
  transform: scale(1.1);
}

.hero .hero-feature-item div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero .hero-feature-item strong {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

.hero .hero-feature-item span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.hero .hero-cta-gap {
  gap: 12px;
  margin-left: 24px;
}

.hero .btn-get-started {
  position: relative;
  color: #ffffff;
  font-family: var(--heading-font);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  text-decoration: none;
  overflow: hidden;
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.2),
    0 0 20px rgba(59, 130, 246, 0.2);
}

.hero .btn-get-started::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.hero .btn-get-started::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: rgba(59, 130, 246, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  animation: pulse-ring 2s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  z-index: -1;
}

@keyframes pulse-ring {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.8;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 0.4;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.6);
    opacity: 0;
  }
}

.hero .btn-get-started:hover::before {
  left: 100%;
}

.hero .btn-get-started:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(59, 130, 246, 0.6);
  transform: translateY(-2px);
  box-shadow: 
    0 6px 20px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(59, 130, 246, 0.4),
    0 0 50px rgba(139, 92, 246, 0.3);
}

.hero .btn-ghost-light {
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--heading-font);
  font-size: 16px;
  font-weight: 500;
  padding: 12px 32px;
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.hero .btn-ghost-light i {
  font-size: 18px;
}

.hero .btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(59, 130, 246, 0.5);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.2),
    0 0 20px rgba(59, 130, 246, 0.3);
}

.hero .mock-browser {
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(59, 130, 246, 0.15),
    0 0 80px rgba(139, 92, 246, 0.1);
  backdrop-filter: blur(10px);
  overflow: hidden;
  position: relative;
}

.hero .mock-browser::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.05) 0%,
    transparent 50%,
    rgba(139, 92, 246, 0.05) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.hero .mock-browser-header {
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero .mock-browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}

.hero .mock-browser-dot.dot-red {
  background: #ff5f57;
}

.hero .mock-browser-dot.dot-amber {
  background: #febc2e;
}

.hero .mock-browser-dot.dot-green {
  background: #28c840;
}

.hero .mock-browser-body {
  padding: 0;
  background: transparent;
}

.hero .mock-browser-body .hero-video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}

.hero-img {
  display: flex;
  align-items: flex-start;
  padding-left: 24px;
  height: 100%;
}

.hero-img .mock-browser {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.hero-img .mock-browser-body {
  flex: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-img .mock-browser-body .hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 991px) {
  .hero-img {
    padding-left: 0;
    margin-top: 0;
  }
  
  .hero .text-center {
    margin-bottom: 32px;
  }
}

.hero .btn-watch-video {
  font-size: 16px;
  transition: 0.5s;
  margin-left: 25px;
  color: var(--default-color);
  font-weight: 600;
}

.hero .btn-watch-video i {
  color: var(--accent-color);
  font-size: 32px;
  transition: 0.3s;
  line-height: 0;
  margin-right: 8px;
}

.hero .btn-watch-video:hover {
  color: var(--accent-color);
}

.hero .btn-watch-video:hover i {
  color: color-mix(in srgb, var(--accent-color), transparent 15%);
}

.hero .animated {
  animation: up-down 2s ease-in-out infinite alternate-reverse both;
}

@media (max-width: 768px) {
  .hero .hero-description {
    font-size: 16px;
  }

  .hero .hero-feature-item {
    padding: 12px;
    margin-bottom: 16px;
  }

  .hero .hero-feature-item i {
    font-size: 20px;
  }

  .hero .hero-feature-item strong {
    font-size: 15px;
  }

  .hero .hero-feature-item span {
    font-size: 13px;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 28px;
    line-height: 36px;
  }

  .hero .btn-get-started,
  .hero .btn-watch-video {
    font-size: 13px;
  }

  .hero .hero-feature-item {
    flex-direction: column;
    text-align: center;
  }

  .hero .hero-feature-item i {
    margin: 0 auto;
  }
}

@keyframes up-down {
  0% {
    transform: translateY(10px);
  }

  100% {
    transform: translateY(-10px);
  }
}

/*--------------------------------------------------------------
# About Section
--------------------------------------------------------------*/
.about .content h3 {
  font-size: 2rem;
  font-weight: 700;
}

.about .content ul {
  list-style: none;
  padding: 0;
}

.about .content ul li {
  padding-bottom: 10px;
}

.about .content ul i {
  font-size: 1.25rem;
  margin-right: 4px;
  color: var(--accent-color);
}

.about .content p:last-child {
  margin-bottom: 0;
}

.about .content .read-more {
  background: var(--accent-color);
  color: var(--contrast-color);
  font-family: var(--heading-font);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 1px;
  padding: 12px 24px;
  border-radius: 5px;
  transition: 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.about .content .read-more i {
  font-size: 18px;
  margin-left: 5px;
  line-height: 0;
  transition: 0.3s;
}

.about .content .read-more:hover {
  background: color-mix(in srgb, var(--accent-color), black 20%);
  padding-right: 19px;
}

.about .content .read-more:hover i {
  margin-left: 10px;
}

/*--------------------------------------------------------------
# Stats Section
--------------------------------------------------------------*/
.stats {
  position: relative;
  padding: 80px 0;
  background: url("../img/stats-bg.png") center center no-repeat;
  background-size: cover;
}

.stats:before {
  content: "";
  background: color-mix(in srgb, var(--background-color), transparent 80%);
  position: absolute;
  inset: 0;
  z-index: 2;
}

.stats .container {
  position: relative;
  z-index: 3;
}

.stats .stats-item {
  padding: 30px;
  width: 100%;
}

.stats .stats-item span {
  font-size: 48px;
  display: block;
  color: var(--default-color);
  font-weight: 700;
}

.stats .stats-item p {
  padding: 0;
  margin: 0;
  font-family: var(--heading-font);
  font-size: 16px;
  font-weight: 700;
  color: color-mix(in srgb, var(--default-color), transparent 40%);
}

/*--------------------------------------------------------------
# Services Section
--------------------------------------------------------------*/
#services.services,
section#services {
  background: transparent;
  padding-top: 0;
  padding-bottom: 60px;
  margin-top: 0;
}

.services .service-item {
  position: relative;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background: 
    linear-gradient(135deg, var(--white-opacity-08) 0%, var(--white-opacity-03) 100%);
  border: 1px solid var(--white-opacity-15);
  box-shadow: 
    var(--shadow-lg),
    var(--shadow-sm),
    0 0 20px rgba(59, 130, 246, 0.1),
    inset 0 1px 0 var(--white-opacity-10),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  text-decoration: none;
  transition: var(--transition-base);
  height: 100%;
  backdrop-filter: blur(10px);
  transform: perspective(1000px) translateZ(0);
  overflow: hidden;
}

.services .service-item::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(59, 130, 246, 0.6) 50%,
    rgba(139, 92, 246, 0.6) 70%,
    transparent 100%
  );
  border-radius: var(--border-radius-md);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
}

.services .service-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.15),
    transparent
  );
  transition: left 0.6s ease;
  z-index: 1;
}

.services .service-item:hover::before {
  opacity: 1;
  animation: border-flow 2s linear infinite;
}

.services .service-item:hover::after {
  left: 100%;
}

@keyframes border-flow {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.services .service-item .icon {
  background: 
    linear-gradient(135deg, var(--white-opacity-15) 0%, var(--white-opacity-08) 100%);
  width: 56px;
  height: 56px;
  position: relative;
  margin-right: var(--spacing-md);
  line-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--white-opacity-20);
  box-shadow: 
    var(--shadow-md),
    0 0 15px rgba(59, 130, 246, 0.2),
    inset 0 1px 0 var(--white-opacity-20),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  overflow: hidden;
  z-index: 2;
}

.services .service-item .icon i {
  color: #ffffff;
  font-size: 28px;
  z-index: 2;
  position: relative;
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
  transition: var(--transition-base);
}

.services .service-item:hover .icon i {
  filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.8)) drop-shadow(0 0 20px rgba(139, 92, 246, 0.6));
  transform: scale(1.1);
}

.services .service-item:hover .icon {
  background: 
    linear-gradient(135deg, var(--white-opacity-20) 0%, var(--white-opacity-10) 100%);
  border-color: rgba(59, 130, 246, 0.5);
  transform: translateY(-3px) scale(1.05) rotate(5deg);
  box-shadow: 
    var(--shadow-lg),
    0 0 25px rgba(59, 130, 246, 0.4),
    0 0 50px rgba(139, 92, 246, 0.3),
    inset 0 1px 0 var(--white-opacity-25),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3);
}

.services .service-item .title {
  font-weight: 600;
  margin-bottom: 10px;
  font-size: 18px;
  color: #ffffff;
  position: relative;
  z-index: 2;
  text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
  transition: var(--transition-base);
}

.services .service-item:hover .title {
  text-shadow: 0 0 15px rgba(59, 130, 246, 0.5), 0 0 25px rgba(139, 92, 246, 0.3);
}

.services .service-item .title a {
  color: #ffffff;
}

.services .service-item .title a:hover {
  color: rgba(255, 255, 255, 0.8);
}

.services .service-item .description {
  font-size: 14px;
  color: var(--white-opacity-75);
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

.services .service-item:hover {
  background: 
    linear-gradient(135deg, var(--white-opacity-10) 0%, var(--white-opacity-06) 100%);
  border-color: rgba(59, 130, 246, 0.4);
  transform: perspective(1000px) translateY(-10px) translateZ(15px) scale(1.03);
  box-shadow: 
    var(--shadow-xl),
    var(--shadow-md),
    0 0 40px rgba(59, 130, 246, 0.4),
    0 0 80px rgba(139, 92, 246, 0.3),
    inset 0 1px 0 var(--white-opacity-15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: card-glow 2s ease-in-out infinite;
}

@keyframes card-glow {
  0%, 100% {
    box-shadow: 
      var(--shadow-xl),
      var(--shadow-md),
      0 0 40px rgba(59, 130, 246, 0.4),
      0 0 80px rgba(139, 92, 246, 0.3);
  }
  50% {
    box-shadow: 
      var(--shadow-xl),
      var(--shadow-md),
      0 0 50px rgba(59, 130, 246, 0.5),
      0 0 100px rgba(139, 92, 246, 0.4);
  }
}

.services .service-item > div {
  position: relative;
}

.services .service-item .service-image-overlay,
.services .service-item .service-image-preview {
  display: none !important;
}

/*--------------------------------------------------------------
# Features Section
--------------------------------------------------------------*/
.features .features-image {
  position: relative;
  min-height: 400px;
}

/* API Network Visualization */
.api-network {
  position: relative;
  width: 100%;
  max-width: 800px;
  height: 800px;
  margin: 0 auto;
  padding: 40px;
}

.api-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 240px;
  height: 140px;
  z-index: 10;
}

.api-center-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 180px;
  background: radial-gradient(ellipse, rgba(59, 130, 246, 0.8) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

.api-center-glow-outer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 220px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 3s ease-in-out infinite;
  animation-delay: 0.5s;
}

.api-center-content {
  position: relative;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
  border: 2px solid rgba(59, 130, 246, 0.8);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(15px);
  box-shadow: 
    0 0 40px rgba(59, 130, 246, 0.6),
    0 0 80px rgba(59, 130, 246, 0.3),
    inset 0 0 30px rgba(59, 130, 246, 0.2),
    inset 0 2px 0 rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.api-center-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
  animation: pattern-move 20s linear infinite;
}

.api-center-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.api-center-icon {
  width: 48px;
  height: 48px;
  color: rgba(59, 130, 246, 1);
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.8));
  animation: icon-rotate 8s linear infinite;
}

.api-center-icon svg {
  width: 100%;
  height: 100%;
}

.api-center-content h3 {
  color: #ffffff;
  font-size: 28px;
  font-weight: 800;
  margin: 0;
  letter-spacing: 0.05em;
  text-shadow: 
    0 0 15px rgba(59, 130, 246, 1),
    0 0 30px rgba(59, 130, 246, 0.6),
    0 2px 4px rgba(0, 0, 0, 0.3);
}

.api-center-subtitle {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow: 0 0 8px rgba(59, 130, 246, 0.6);
}

.api-node {
  position: absolute;
  width: 120px;
  height: 120px;
  z-index: 5;
}

.api-node-icon {
  position: relative;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  border: 2px solid rgba(139, 92, 246, 0.6);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  backdrop-filter: blur(12px);
  box-shadow: 
    0 0 20px rgba(139, 92, 246, 0.5),
    inset 0 0 15px rgba(139, 92, 246, 0.1);
  transition: all 0.3s ease;
  text-align: center;
  padding: 8px;
}

.api-node:hover .api-node-icon {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(139, 92, 246, 0.8);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.6);
  transform: scale(1.1);
}

.api-node-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.5) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

/* 节点位置 */
.node-1 {
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  --delay: 0s;
}

.node-2 {
  top: 20%;
  right: 15%;
  --delay: 0.3s;
}

.node-3 {
  bottom: 20%;
  right: 15%;
  --delay: 0.6s;
}

.node-4 {
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  --delay: 0.9s;
}

.node-5 {
  bottom: 20%;
  left: 15%;
  --delay: 1.2s;
}

.node-6 {
  top: 20%;
  left: 15%;
  --delay: 1.5s;
}

/* 连接线 */
.api-connections {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 15;
  pointer-events: none;
}

.connection-line {
  display: none;
}

.particle-dot {
  opacity: 0.9;
}

.connection-line:nth-child(2) { --line-delay: 0s; }
.connection-line:nth-child(3) { --line-delay: 0.3s; }
.connection-line:nth-child(4) { --line-delay: 0.6s; }
.connection-line:nth-child(5) { --line-delay: 0.9s; }
.connection-line:nth-child(6) { --line-delay: 1.2s; }
.connection-line:nth-child(7) { --line-delay: 1.5s; }

/* 粒子效果 */
.api-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(59, 130, 246, 0.8);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.8);
  animation: particle-float 4s ease-in-out infinite;
}

.particle:nth-child(1) {
  top: 20%;
  left: 30%;
  animation-delay: 0s;
}

.particle:nth-child(2) {
  top: 40%;
  right: 25%;
  animation-delay: 0.5s;
}

.particle:nth-child(3) {
  bottom: 30%;
  right: 20%;
  animation-delay: 1s;
}

.particle:nth-child(4) {
  bottom: 20%;
  left: 40%;
  animation-delay: 1.5s;
}

.particle:nth-child(5) {
  bottom: 40%;
  left: 20%;
  animation-delay: 2s;
}

.particle:nth-child(6) {
  top: 30%;
  left: 25%;
  animation-delay: 2.5s;
}

.particle:nth-child(7) {
  top: 50%;
  left: 50%;
  animation-delay: 3s;
}

.particle:nth-child(8) {
  bottom: 50%;
  right: 30%;
  animation-delay: 3.5s;
}

/* 动画 */
@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

@keyframes line-flow {
  0%, 100% {
    stroke-opacity: 0.75;
    stroke-width: 2.5;
  }
  50% {
    stroke-opacity: 0.95;
    stroke-width: 3;
  }
}

@keyframes particle-float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(20px, -30px) scale(1.5);
    opacity: 1;
  }
}

@keyframes pattern-move {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(20px, 20px);
  }
}

@keyframes icon-rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes dash-move {
  0% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 20;
  }
}

@media (max-width: 768px) {
  .api-network {
    max-width: 500px;
    height: 500px;
    padding: 20px;
  }
  
  .api-center {
    width: 180px;
    height: 100px;
  }
  
  .api-center-content h3 {
    font-size: 20px;
  }
  
  .api-center-icon {
    width: 36px;
    height: 36px;
  }
  
  .api-node {
    width: 90px;
    height: 90px;
  }
  
  .api-node-icon {
    font-size: 12px;
  }
}

.features .features-item h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 5px 0;
}

.features .features-item i {
  font-size: 48px;
  color: var(--accent-color);
  margin-right: 20px;
  line-height: 0;
}

.features .features-item p {
  font-size: 15px;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  margin: 0;
}

/*--------------------------------------------------------------
# Testimonials Section
--------------------------------------------------------------*/
.testimonials .testimonials-carousel,
.testimonials .testimonials-slider {
  overflow: hidden;
}

.testimonials .testimonial-item {
  box-sizing: content-box;
  min-height: 320px;
}

.testimonials .testimonial-item .testimonial-img {
  width: 90px;
  border-radius: 50%;
  margin: -40px 0 0 40px;
  position: relative;
  z-index: 2;
  border: 6px solid var(--background-color);
}

.testimonials .testimonial-item h3 {
  font-size: 18px;
  font-weight: bold;
  margin: 10px 0 5px 45px;
}

.testimonials .testimonial-item h4 {
  font-size: 14px;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  margin: 0 0 0 45px;
}

.testimonials .testimonial-item .quote-icon-left,
.testimonials .testimonial-item .quote-icon-right {
  color: color-mix(in srgb, var(--accent-color), transparent 50%);
  font-size: 26px;
  line-height: 0;
}

.testimonials .testimonial-item .quote-icon-left {
  display: inline-block;
  left: -5px;
  position: relative;
}

.testimonials .testimonial-item .quote-icon-right {
  display: inline-block;
  right: -5px;
  position: relative;
  top: 10px;
  transform: scale(-1, -1);
}

.testimonials .testimonial-item p {
  font-style: italic;
  margin: 0 15px 0 15px;
  padding: 20px 20px 60px 20px;
  background: var(--surface-color);
  border-radius: 6px;
  position: relative;
  z-index: 1;
}

.testimonials .swiper-wrapper {
  height: auto;
}

.testimonials .swiper-pagination {
  margin-top: 20px;
  position: relative;
}

.testimonials .swiper-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background-color: var(--background-color);
  opacity: 1;
  border: 1px solid var(--accent-color);
}

.testimonials .swiper-pagination .swiper-pagination-bullet-active {
  background-color: var(--accent-color);
}

/*--------------------------------------------------------------
# Portfolio Section
--------------------------------------------------------------*/
.portfolio .portfolio-filters {
  padding: 0 0 20px 0;
  margin: 0 auto;
  list-style: none;
  text-align: center;
}

.portfolio .portfolio-filters li {
  cursor: pointer;
  display: inline-block;
  padding: 0;
  font-size: 18px;
  font-weight: 500;
  margin: 0 10px;
  line-height: 1;
  transition: all 0.3s ease-in-out;
}

.portfolio .portfolio-filters li:hover,
.portfolio .portfolio-filters li.filter-active {
  color: var(--accent-color);
}

.portfolio .portfolio-filters li:first-child {
  margin-left: 0;
}

.portfolio .portfolio-filters li:last-child {
  margin-right: 0;
}

@media (max-width: 575px) {
  .portfolio .portfolio-filters li {
    font-size: 14px;
    margin: 0 5px;
  }
}

.portfolio .portfolio-content {
  background-color: var(--surface-color);
  box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.1);
  height: 100%;
  overflow: hidden;
}

.portfolio .portfolio-content img {
  transition: 0.3s;
  position: relative;
  z-index: 1;
}

.portfolio .portfolio-content .portfolio-info {
  background-color: var(--background-color);
  border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
  padding: 25px 20px;
  position: relative;
  z-index: 2;
}

.portfolio .portfolio-content .portfolio-info h4 {
  font-size: 18px;
  font-weight: 600;
  padding-right: 50px;
}

.portfolio .portfolio-content .portfolio-info h4 a {
  color: var(--heading-color);
  transition: 0.3s;
}

.portfolio .portfolio-content .portfolio-info h4 a:hover {
  color: var(--accent-color);
}

.portfolio .portfolio-content .portfolio-info p {
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  font-size: 14px;
  margin-bottom: 0;
  padding-right: 50px;
}

.portfolio .portfolio-content:hover img {
  transform: scale(1.1);
}

/*--------------------------------------------------------------
# Pricing Section
--------------------------------------------------------------*/
.pricing .pricing-item {
  background-color: var(--surface-color);
  box-shadow: 0 3px 20px -2px rgba(0, 0, 0, 0.1);
  border-top: 4px solid var(--background-color);
  padding: 60px 40px;
  height: 100%;
  border-radius: 5px;
}

.pricing h3 {
  font-weight: 600;
  margin-bottom: 15px;
  font-size: 20px;
}

.pricing h4 {
  color: var(--accent-color);
  font-size: 48px;
  font-weight: 400;
  font-family: var(--heading-font);
  margin-bottom: 0;
}

.pricing h4 sup {
  font-size: 28px;
}

.pricing h4 span {
  color: color-mix(in srgb, var(--default-color), transparent 50%);
  font-size: 18px;
}

.pricing ul {
  padding: 20px 0;
  list-style: none;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  text-align: left;
  line-height: 20px;
}

.pricing ul li {
  padding: 10px 0;
  display: flex;
  align-items: center;
}

.pricing ul i {
  color: #059652;
  font-size: 24px;
  padding-right: 3px;
}

.pricing ul .na {
  color: color-mix(in srgb, var(--default-color), transparent 60%);
}

.pricing ul .na i {
  color: color-mix(in srgb, var(--default-color), transparent 60%);
}

.pricing ul .na span {
  text-decoration: line-through;
}

.pricing .buy-btn {
  color: var(--accent-color);
  display: inline-block;
  padding: 8px 35px 10px 35px;
  border-radius: 50px;
  transition: none;
  font-size: 16px;
  font-weight: 500;
  font-family: var(--heading-font);
  transition: 0.3s;
  border: 1px solid var(--accent-color);
}

.pricing .buy-btn:hover {
  background: var(--accent-color);
  color: var(--contrast-color);
}

.pricing .featured {
  border-top-color: var(--accent-color);
}

.pricing .featured .buy-btn {
  background: var(--accent-color);
  color: var(--contrast-color);
}

@media (max-width: 992px) {
  .pricing .box {
    max-width: 60%;
    margin: 0 auto 30px auto;
  }
}

@media (max-width: 767px) {
  .pricing .box {
    max-width: 80%;
    margin: 0 auto 30px auto;
  }
}

@media (max-width: 420px) {
  .pricing .box {
    max-width: 100%;
    margin: 0 auto 30px auto;
  }
}

/*--------------------------------------------------------------
# Faq Section
--------------------------------------------------------------*/
.faq .faq-container .faq-item {
  background-color: var(--surface-color);
  position: relative;
  padding: 20px;
  margin-bottom: 15px;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 85%);
  border-radius: 5px;
  overflow: hidden;
}

.faq .faq-container .faq-item:last-child {
  margin-bottom: 0;
}

.faq .faq-container .faq-item h3 {
  font-weight: 600;
  font-size: 16px;
  line-height: 24px;
  margin: 0 30px 0 0;
  transition: 0.3s;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.faq .faq-container .faq-item h3 .num {
  color: var(--accent-color);
  padding-right: 5px;
}

.faq .faq-container .faq-item h3:hover {
  color: var(--accent-color);
}

.faq .faq-container .faq-item .faq-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: 0.3s ease-in-out;
  visibility: hidden;
  opacity: 0;
}

.faq .faq-container .faq-item .faq-content p {
  margin-bottom: 0;
  overflow: hidden;
}

.faq .faq-container .faq-item .faq-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 16px;
  line-height: 0;
  transition: 0.3s;
  cursor: pointer;
}

.faq .faq-container .faq-item .faq-toggle:hover {
  color: var(--accent-color);
}

.faq .faq-container .faq-active {
  background-color: color-mix(in srgb, var(--accent-color), transparent 97%);
  border-color: color-mix(in srgb, var(--accent-color), transparent 80%);
}

.faq .faq-container .faq-active h3 {
  color: var(--accent-color);
}

.faq .faq-container .faq-active .faq-content {
  grid-template-rows: 1fr;
  visibility: visible;
  opacity: 1;
  padding-top: 10px;
}

.faq .faq-container .faq-active .faq-toggle {
  transform: rotate(90deg);
  color: var(--accent-color);
}

/*--------------------------------------------------------------
# Team Section
--------------------------------------------------------------*/
.team .team-member {
  background-color: var(--surface-color);
  box-shadow: 0px 0 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  text-align: center;
  border-radius: 5px;
  transition: 0.3s;
}

.team .team-member .member-img {
  position: relative;
  overflow: hidden;
}

.team .team-member .member-img:after {
  position: absolute;
  content: "";
  left: -1px;
  right: -1px;
  bottom: -1px;
  height: 100%;
  background-color: var(--surface-color);
  -webkit-mask: url("../img/team-shape.svg") no-repeat center bottom;
  mask: url("../img/team-shape.svg") no-repeat center bottom;
  -webkit-mask-size: contain;
  mask-size: contain;
  z-index: 1;
}

.team .team-member .social {
  position: absolute;
  right: -100%;
  top: 30px;
  opacity: 0;
  border-radius: 4px;
  transition: 0.5s;
  background: color-mix(in srgb, var(--background-color), transparent 60%);
  z-index: 2;
}

.team .team-member .social a {
  transition: color 0.3s;
  color: color-mix(in srgb, var(--default-color), transparent 50%);
  margin: 15px 12px;
  display: block;
  line-height: 0;
  text-align: center;
}

.team .team-member .social a:hover {
  color: var(--default-color);
}

.team .team-member .social i {
  font-size: 18px;
}

.team .team-member .member-info {
  padding: 10px 15px 20px 15px;
}

.team .team-member .member-info h4 {
  font-weight: 700;
  margin-bottom: 5px;
  font-size: 20px;
}

.team .team-member .member-info span {
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: color-mix(in srgb, var(--default-color), transparent 50%);
}

.team .team-member .member-info p {
  font-style: italic;
  font-size: 14px;
  padding-top: 15px;
  line-height: 26px;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
}

.team .team-member:hover {
  transform: scale(1.08);
  box-shadow: 0px 0 30px rgba(0, 0, 0, 0.1);
}

.team .team-member:hover .social {
  right: 8px;
  opacity: 1;
}

/*--------------------------------------------------------------
# Contact Section
--------------------------------------------------------------*/
.contact .info-item {
  background: color-mix(in srgb, var(--default-color), transparent 96%);
  padding: 30px;
}

.contact .info-item i {
  font-size: 38px;
  line-height: 0;
  color: var(--accent-color);
}

.contact .info-item h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 20px 0 10px 0;
}

.contact .info-item p {
  padding: 0;
  line-height: 24px;
  font-size: 14px;
  margin-bottom: 0;
}

.contact .php-email-form {
  background: color-mix(in srgb, var(--default-color), transparent 96%);
  padding: 30px;
  height: 100%;
}

.contact .php-email-form input[type=text],
.contact .php-email-form input[type=email],
.contact .php-email-form textarea {
  font-size: 14px;
  padding: 10px 15px;
  box-shadow: none;
  border-radius: 0;
  color: var(--default-color);
  background-color: color-mix(in srgb, var(--background-color), transparent 50%);
  border-color: color-mix(in srgb, var(--default-color), transparent 80%);
}

.contact .php-email-form input[type=text]:focus,
.contact .php-email-form input[type=email]:focus,
.contact .php-email-form textarea:focus {
  border-color: var(--accent-color);
}

.contact .php-email-form input[type=text]::placeholder,
.contact .php-email-form input[type=email]::placeholder,
.contact .php-email-form textarea::placeholder {
  color: color-mix(in srgb, var(--default-color), transparent 70%);
}

.contact .php-email-form input[type=text],
.contact .php-email-form input[type=email],
.contact .php-email-form textarea {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 2px solid rgba(59, 130, 246, 0.2) !important;
  border-radius: 8px !important;
  color: #ffffff !important;
  padding: 14px 18px !important;
  font-size: 15px !important;
  transition: all 0.3s ease !important;
}

.contact .php-email-form input[type=text]:focus,
.contact .php-email-form input[type=email]:focus,
.contact .php-email-form textarea:focus {
  background: rgba(255, 255, 255, 0.12) !important;
  border-color: rgba(59, 130, 246, 0.6) !important;
  box-shadow: 
    0 0 20px rgba(59, 130, 246, 0.3),
    0 0 40px rgba(139, 92, 246, 0.2) !important;
  outline: none !important;
}

.contact .php-email-form input[type=text]::placeholder,
.contact .php-email-form input[type=email]::placeholder,
.contact .php-email-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.5) !important;
}

.contact .php-email-form button[type=submit],
.contact-submit-btn {
  position: relative;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.8) 0%, rgba(139, 92, 246, 0.8) 100%);
  color: #ffffff;
  border: 2px solid rgba(59, 130, 246, 0.5);
  padding: 14px 40px;
  transition: all 0.3s ease;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.5px;
  cursor: pointer;
  overflow: hidden;
  text-transform: uppercase;
}

.contact .php-email-form button[type=submit]::before,
.contact-submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.contact .php-email-form button[type=submit]:hover::before,
.contact-submit-btn:hover::before {
  left: 100%;
}

.contact .php-email-form button[type=submit]:hover,
.contact-submit-btn:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 1) 0%, rgba(139, 92, 246, 1) 100%);
  border-color: rgba(59, 130, 246, 0.8);
  transform: translateY(-2px);
  box-shadow: 
    0 8px 24px rgba(59, 130, 246, 0.4),
    0 0 30px rgba(59, 130, 246, 0.3),
    0 0 50px rgba(139, 92, 246, 0.2);
}

/* Contact Cards - Modern Design */
.contact-cards {
  margin-top: 40px;
}

.contact-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  padding: 40px 30px;
  height: 100%;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.8), rgba(139, 92, 246, 0.8));
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(59, 130, 246, 0.5);
  transform: translateY(-8px);
  box-shadow: 
    0 12px 40px rgba(59, 130, 246, 0.2),
    0 0 60px rgba(139, 92, 246, 0.15);
}

.contact-card:hover::before {
  transform: scaleX(1);
}

.contact-card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-card-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.6), rgba(139, 92, 246, 0.6));
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.contact-card:hover .contact-card-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
}

.contact-card:hover .contact-card-icon::before {
  opacity: 1;
}

.contact-card-icon i {
  font-size: 36px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.3s ease;
}

.contact-card:hover .contact-card-icon i {
  transform: scale(1.1);
  filter: brightness(1.2);
}

.contact-card-content {
  width: 100%;
}

.contact-card-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.contact-card:hover .contact-card-content h3 {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-card-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
  line-height: 1.8;
  transition: color 0.3s ease;
}

.contact-card-content p.contact-detail {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(59, 130, 246, 0.1);
  padding: 8px 16px;
  border-radius: 8px;
  margin: 6px auto;
  display: inline-block;
  transition: all 0.3s ease;
  max-width: 100%;
  word-break: break-all;
}

.contact-card:hover .contact-card-content p.contact-detail {
  background: rgba(59, 130, 246, 0.2);
  color: #ffffff;
  transform: translateX(4px);
}

.contact-card-content p:last-child {
  margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 991px) {
  .contact-card {
    padding: 35px 25px;
  }
  
  .contact-card-icon {
    width: 70px;
    height: 70px;
  }
  
  .contact-card-icon i {
    font-size: 32px;
  }
  
  .contact-card-content h3 {
    font-size: 20px;
  }
}

@media (max-width: 575px) {
  .contact-card {
    padding: 30px 20px;
  }
  
  .contact-card-icon {
    width: 60px;
    height: 60px;
  }
  
  .contact-card-icon i {
    font-size: 28px;
  }
  
  .contact-card-content h3 {
    font-size: 18px;
  }
  
  .contact-card-content p {
    font-size: 14px;
  }
  
  .contact-card-content p.contact-detail {
    font-size: 13px;
    padding: 6px 12px;
  }
}

/* Add subtle animation on page load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.contact-card {
  animation: fadeInUp 0.6s ease-out forwards;
}

.contact-card:nth-child(1) {
  animation-delay: 0.1s;
}

.contact-card:nth-child(2) {
  animation-delay: 0.2s;
}

.contact-card:nth-child(3) {
  animation-delay: 0.3s;
}

.contact-card:nth-child(4) {
  animation-delay: 0.4s;
}

/*--------------------------------------------------------------
# Portfolio Details Section
--------------------------------------------------------------*/
.portfolio-details .portfolio-details-slider img {
  width: 100%;
}

.portfolio-details .swiper-wrapper {
  height: auto;
}

.portfolio-details .swiper-button-prev,
.portfolio-details .swiper-button-next {
  width: 48px;
  height: 48px;
}

.portfolio-details .swiper-button-prev:after,
.portfolio-details .swiper-button-next:after {
  color: rgba(255, 255, 255, 0.8);
  background-color: rgba(0, 0, 0, 0.15);
  font-size: 24px;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}

.portfolio-details .swiper-button-prev:hover:after,
.portfolio-details .swiper-button-next:hover:after {
  background-color: rgba(0, 0, 0, 0.3);
}

@media (max-width: 575px) {

  .portfolio-details .swiper-button-prev,
  .portfolio-details .swiper-button-next {
    display: none;
  }
}

.portfolio-details .swiper-pagination {
  margin-top: 20px;
  position: relative;
}

.portfolio-details .swiper-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background-color: color-mix(in srgb, var(--default-color), transparent 85%);
  opacity: 1;
}

.portfolio-details .swiper-pagination .swiper-pagination-bullet-active {
  background-color: var(--accent-color);
}

.portfolio-details .portfolio-info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
}

.portfolio-details .portfolio-info h3:after {
  content: "";
  position: absolute;
  display: block;
  width: 50px;
  height: 3px;
  background: var(--accent-color);
  left: 0;
  bottom: 0;
}

.portfolio-details .portfolio-info ul {
  list-style: none;
  padding: 0;
  font-size: 15px;
}

.portfolio-details .portfolio-info ul li {
  display: flex;
  flex-direction: column;
  padding-bottom: 15px;
}

.portfolio-details .portfolio-info ul strong {
  text-transform: uppercase;
  font-weight: 400;
  color: color-mix(in srgb, var(--default-color), transparent 50%);
  font-size: 14px;
}

.portfolio-details .portfolio-info .btn-visit {
  padding: 8px 40px;
  background: var(--accent-color);
  color: var(--contrast-color);
  border-radius: 50px;
  transition: 0.3s;
}

.portfolio-details .portfolio-info .btn-visit:hover {
  background: color-mix(in srgb, var(--accent-color), transparent 20%);
}

.portfolio-details .portfolio-description h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 20px;
}

.portfolio-details .portfolio-description p {
  padding: 0;
}

.portfolio-details .portfolio-description .testimonial-item {
  padding: 30px 30px 0 30px;
  position: relative;
  background: color-mix(in srgb, var(--default-color), transparent 97%);
  margin-bottom: 50px;
}

.portfolio-details .portfolio-description .testimonial-item .testimonial-img {
  width: 90px;
  border-radius: 50px;
  border: 6px solid var(--background-color);
  float: left;
  margin: 0 10px 0 0;
}

.portfolio-details .portfolio-description .testimonial-item h3 {
  font-size: 18px;
  font-weight: bold;
  margin: 15px 0 5px 0;
  padding-top: 20px;
}

.portfolio-details .portfolio-description .testimonial-item h4 {
  font-size: 14px;
  color: #6c757d;
  margin: 0;
}

.portfolio-details .portfolio-description .testimonial-item .quote-icon-left,
.portfolio-details .portfolio-description .testimonial-item .quote-icon-right {
  color: color-mix(in srgb, var(--accent-color), transparent 50%);
  font-size: 26px;
  line-height: 0;
}

.portfolio-details .portfolio-description .testimonial-item .quote-icon-left {
  display: inline-block;
  left: -5px;
  position: relative;
}

.portfolio-details .portfolio-description .testimonial-item .quote-icon-right {
  display: inline-block;
  right: -5px;
  position: relative;
  top: 10px;
  transform: scale(-1, -1);
}

.portfolio-details .portfolio-description .testimonial-item p {
  font-style: italic;
  margin: 0 0 15px 0 0 0;
  padding: 0;
}

/*--------------------------------------------------------------
# Service Details Section
--------------------------------------------------------------*/
.service-details .services-list {
  background-color: var(--surface-color);
  padding: 10px 30px;
  border: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
  margin-bottom: 20px;
}

.service-details .services-list a {
  display: block;
  line-height: 1;
  padding: 8px 0 8px 15px;
  border-left: 3px solid color-mix(in srgb, var(--default-color), transparent 70%);
  margin: 20px 0;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  transition: 0.3s;
}

.service-details .services-list a.active {
  color: var(--heading-color);
  font-weight: 700;
  border-color: var(--accent-color);
}

.service-details .services-list a:hover {
  border-color: var(--accent-color);
}

.service-details .services-img {
  margin-bottom: 20px;
}

.service-details h3 {
  font-size: 26px;
  font-weight: 700;
}

.service-details h4 {
  font-size: 20px;
  font-weight: 700;
}

.service-details p {
  font-size: 15px;
}

.service-details ul {
  list-style: none;
  padding: 0;
  font-size: 15px;
}

.service-details ul li {
  padding: 5px 0;
  display: flex;
  align-items: center;
}

.service-details ul i {
  font-size: 20px;
  margin-right: 8px;
  color: var(--accent-color);
}

/*--------------------------------------------------------------
# Starter Section Section
--------------------------------------------------------------*/
.starter-section {
  /* Add your styles here */
}

/*--------------------------------------------------------------
# Card Styling for Dark Background
--------------------------------------------------------------*/
.card {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  color: var(--default-color) !important;
  backdrop-filter: blur(10px);
}

.card-title {
  color: var(--heading-color) !important;
}

.card-body {
  color: var(--default-color) !important;
}

/*--------------------------------------------------------------
# Form Elements for Dark Background
--------------------------------------------------------------*/
.form-control {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  color: var(--default-color) !important;
}

.form-control:focus {
  background-color: rgba(255, 255, 255, 0.15) !important;
  border-color: var(--accent-color) !important;
  color: var(--default-color) !important;
}

.form-control::placeholder {
  color: rgba(226, 232, 240, 0.6) !important;
}

/*--------------------------------------------------------------
# AI Reader Section
--------------------------------------------------------------*/
.reader {
  background: transparent;
  padding: 80px 0;
}

.reader-description {
  font-size: 18px;
  color: var(--white-opacity-85);
  line-height: 1.8;
  margin-bottom: var(--spacing-xxl);
}

.reader-features {
  margin-bottom: 32px;
}

.reader-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--white-opacity-08) 0%, var(--white-opacity-03) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid var(--white-opacity-15);
  border-radius: var(--border-radius-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.2),
    0 0 20px rgba(59, 130, 246, 0.1),
    inset 0 1px 0 var(--white-opacity-10);
}

.reader-feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.15),
    transparent
  );
  transition: left 0.6s ease;
  z-index: 1;
}

.reader-feature-item:hover::before {
  left: 100%;
}

.reader-feature-item:hover {
  background: linear-gradient(135deg, var(--white-opacity-10) 0%, var(--white-opacity-06) 100%);
  border-color: rgba(59, 130, 246, 0.5);
  transform: translateX(8px) scale(1.02);
  box-shadow: 
    0 8px 24px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(59, 130, 246, 0.4),
    0 0 80px rgba(139, 92, 246, 0.3),
    inset 0 1px 0 var(--white-opacity-15);
  backdrop-filter: blur(25px);
}

.reader-feature-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--white-opacity-15) 0%, var(--white-opacity-08) 100%);
  border: 1px solid var(--white-opacity-20);
  border-radius: var(--border-radius-md);
  box-shadow: 
    var(--shadow-md),
    0 0 15px rgba(59, 130, 246, 0.2),
    inset 0 1px 0 var(--white-opacity-20);
  transition: var(--transition-base);
  position: relative;
  z-index: 2;
}

.reader-feature-item:hover .reader-feature-icon {
  background: linear-gradient(135deg, var(--white-opacity-20) 0%, var(--white-opacity-10) 100%);
  border-color: rgba(59, 130, 246, 0.5);
  transform: translateY(-3px) scale(1.05) rotate(5deg);
  box-shadow: 
    var(--shadow-lg),
    0 0 25px rgba(59, 130, 246, 0.4),
    0 0 50px rgba(139, 92, 246, 0.3),
    inset 0 1px 0 var(--white-opacity-25);
}

.reader-feature-icon i {
  font-size: 28px;
  color: rgba(255, 255, 255, 0.9);
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
  transition: var(--transition-base);
}

.reader-feature-item:hover .reader-feature-icon i {
  filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.8)) drop-shadow(0 0 20px rgba(139, 92, 246, 0.6));
  transform: scale(1.1);
}

.reader-feature-content {
  flex: 1;
}

.reader-feature-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.reader-feature-content p {
  font-size: 15px;
  color: var(--white-opacity-75);
  line-height: 1.6;
  margin: 0;
}

.reader-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
}

.reader-actions .btn-get-started {
  position: relative;
  color: #ffffff;
  font-family: var(--heading-font);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--white-opacity-25);
  background: var(--white-opacity-10);
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
  text-decoration: none;
  overflow: hidden;
  box-shadow: 
    var(--shadow-sm),
    0 0 20px rgba(59, 130, 246, 0.2);
}

.reader-actions .btn-get-started::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.reader-actions .btn-get-started:hover::before {
  left: 100%;
}

.reader-actions .btn-get-started:hover {
  background: var(--white-opacity-20);
  border-color: rgba(59, 130, 246, 0.6);
  transform: translateY(-2px);
  box-shadow: 
    var(--shadow-sm),
    0 0 30px rgba(59, 130, 246, 0.4),
    0 0 50px rgba(139, 92, 246, 0.3);
}

.reader-actions .btn-ghost-light {
  color: var(--white-opacity-85);
  font-family: var(--heading-font);
  font-size: 16px;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--white-opacity-20);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  transition: var(--transition-base);
  text-decoration: none;
}

.reader-actions .btn-ghost-light i {
  font-size: 18px;
}

.reader-actions .btn-ghost-light:hover {
  background: var(--white-opacity-10);
  border-color: rgba(59, 130, 246, 0.5);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 
    var(--shadow-sm),
    0 0 20px rgba(59, 130, 246, 0.3);
}

.reader-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.reader-visual-card {
  position: relative;
  width: 280px;
  height: 280px;
  background: 
    linear-gradient(135deg, var(--white-opacity-10) 0%, var(--white-opacity-06) 100%);
  border: 2px solid var(--white-opacity-20);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(20px);
  box-shadow: 
    var(--shadow-xl),
    var(--shadow-lg),
    0 0 40px rgba(59, 130, 246, 0.2),
    inset 0 1px 0 var(--white-opacity-20),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  transition: var(--transition-slow);
  overflow: hidden;
}

.reader-visual-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent 30%,
    transparent,
    rgba(139, 92, 246, 0.1),
    transparent 60%,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  animation: rotate-glow 8s linear infinite;
  pointer-events: none;
}

.reader-visual-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 
    0 24px 72px rgba(0, 0, 0, 0.5),
    var(--shadow-xl),
    0 0 60px rgba(59, 130, 246, 0.4),
    0 0 100px rgba(139, 92, 246, 0.3),
    inset 0 1px 0 var(--white-opacity-25),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3);
}

@keyframes rotate-glow {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.reader-visual-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(88, 70, 249, 0.3) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  animation: pulse-glow 3s ease-in-out infinite;
  pointer-events: none;
}

.reader-visual-icon {
  position: relative;
  z-index: 2;
  font-size: 120px;
  color: rgba(255, 255, 255, 0.9);
  filter: drop-shadow(0 0 20px rgba(88, 70, 249, 0.5)) drop-shadow(0 0 40px rgba(59, 130, 246, 0.3));
  transition: all 0.4s ease;
  animation: icon-pulse 3s ease-in-out infinite;
}

.reader-visual-card:hover .reader-visual-icon {
  transform: scale(1.1) rotate(5deg);
  filter: drop-shadow(0 0 30px rgba(88, 70, 249, 0.8)) drop-shadow(0 0 60px rgba(59, 130, 246, 0.6)) drop-shadow(0 0 80px rgba(139, 92, 246, 0.4));
  animation: icon-pulse-fast 1.5s ease-in-out infinite;
}

@keyframes icon-pulse {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(88, 70, 249, 0.5)) drop-shadow(0 0 40px rgba(59, 130, 246, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 25px rgba(88, 70, 249, 0.7)) drop-shadow(0 0 50px rgba(59, 130, 246, 0.5));
  }
}

@keyframes icon-pulse-fast {
  0%, 100% {
    filter: drop-shadow(0 0 30px rgba(88, 70, 249, 0.8)) drop-shadow(0 0 60px rgba(59, 130, 246, 0.6)) drop-shadow(0 0 80px rgba(139, 92, 246, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 40px rgba(88, 70, 249, 1)) drop-shadow(0 0 80px rgba(59, 130, 246, 0.8)) drop-shadow(0 0 100px rgba(139, 92, 246, 0.6));
  }
}

@media (max-width: 992px) {
  .reader-visual {
    min-height: 300px;
    margin-top: 40px;
  }

  .reader-visual-card {
    width: 240px;
    height: 240px;
  }

  .reader-visual-icon {
    font-size: 100px;
  }

  .reader-actions {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .reader {
    padding: 60px 0;
  }

  .reader-description {
    font-size: 16px;
    margin-bottom: 32px;
  }

  .reader-feature-item {
    padding: 16px;
    margin-bottom: 20px;
  }

  .reader-feature-icon {
    width: 48px;
    height: 48px;
  }

  .reader-feature-icon i {
    font-size: 24px;
  }

  .reader-feature-content h4 {
    font-size: 16px;
  }

  .reader-feature-content p {
    font-size: 14px;
  }

  .reader-visual-card {
    width: 200px;
    height: 200px;
  }

  .reader-visual-icon {
    font-size: 80px;
  }

  .reader-actions .btn-get-started,
  .reader-actions .btn-ghost-light {
    font-size: 14px;
    padding: 10px 24px;
  }
}

/*--------------------------------------------------------------
# Download Page Section
--------------------------------------------------------------*/
.download {
  padding: 100px 0 80px;
  min-height: 80vh;
}

/* 自动检测卡片 */
.download-detection {
  margin-bottom: 60px;
}

.detection-card {
  background: 
    linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 40px;
  display: flex;
  align-items: center;
  gap: 30px;
  backdrop-filter: blur(15px);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.detection-card:hover {
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 
    0 12px 48px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.detection-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
  border: 2px solid rgba(59, 130, 246, 0.4);
  border-radius: 16px;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.detection-icon i {
  font-size: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.detection-content {
  flex: 1;
}

.detection-content h4 {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

.os-name {
  font-size: 18px;
  color: rgba(59, 130, 246, 1);
  font-weight: 600;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.btn-download-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.8) 0%, rgba(139, 92, 246, 0.8) 100%);
  border: 2px solid rgba(59, 130, 246, 0.5);
  border-radius: 8px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-download-primary:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 1) 0%, rgba(139, 92, 246, 1) 100%);
  border-color: rgba(59, 130, 246, 0.8);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.btn-download-primary i {
  font-size: 20px;
}

/* 下载选项 */
.download-options {
  margin-bottom: 60px;
}

.download-options-title {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 30px;
  text-align: center;
}

.download-card {
  background: 
    linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
  height: 100%;
  backdrop-filter: blur(10px);
}

.download-card:hover {
  background: 
    linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.06) 100%);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-6px);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.download-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
  border: 2px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.download-card:hover .download-card-icon {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25) 0%, rgba(139, 92, 246, 0.25) 100%);
  border-color: rgba(59, 130, 246, 0.5);
  transform: scale(1.1);
}

.download-card-icon i {
  font-size: 32px;
  color: rgba(255, 255, 255, 0.9);
}

.download-card h4 {
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.download-version {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

.btn-download {
  width: 100%;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #ffffff;
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
  margin-bottom: 12px;
}

.btn-download:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-download i {
  font-size: 18px;
}

.download-size {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* 使用说明 */
.download-checksum {
  margin-top: 60px;
  margin-bottom: 40px;
}

.checksum-title {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 30px;
  text-align: center;
}

.checksum-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.checksum-item {
  padding: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.checksum-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.checksum-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-size: 16px;
  color: #ffffff;
}

.checksum-label i {
  font-size: 20px;
  color: rgba(59, 130, 246, 0.8);
}

.checksum-value {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.checksum-code {
  flex: 1;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: rgba(59, 130, 246, 0.9);
  word-break: break-all;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
}

.checksum-code:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  color: rgba(59, 130, 246, 1);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
  transform: translateY(-1px);
}

.checksum-code:active {
  transform: translateY(0);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.checksum-code.copy-success {
  background: rgba(40, 167, 69, 0.2) !important;
  border-color: rgba(40, 167, 69, 0.5) !important;
  color: rgba(40, 167, 69, 1) !important;
  box-shadow: 0 0 20px rgba(40, 167, 69, 0.3) !important;
}

.btn-copy-checksum {
  padding: 12px 16px;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 8px;
  color: rgba(59, 130, 246, 0.9);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
}

.btn-copy-checksum:hover {
  background: rgba(59, 130, 246, 0.3);
  border-color: rgba(59, 130, 246, 0.5);
  color: #ffffff;
  transform: scale(1.05);
}

.checksum-algorithm {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.checksum-instructions {
  margin-top: 20px;
}

.checksum-instructions details {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 15px;
  cursor: pointer;
}

.checksum-instructions summary {
  outline: none;
  list-style: none;
}

.checksum-instructions summary::-webkit-details-marker {
  display: none;
}

.checksum-instructions code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: rgba(59, 130, 246, 0.9);
}

.download-instructions {
  margin-top: 60px;
}

.instructions-title {
  font-size: 24px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 30px;
  text-align: center;
}

.instructions-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.instruction-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.instruction-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(6px);
}

.instruction-item i {
  font-size: 24px;
  color: rgba(59, 130, 246, 0.8);
  flex-shrink: 0;
  margin-top: 2px;
}

.instruction-item strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 6px;
}

.instruction-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .download {
    padding: 80px 0 60px;
  }

  .detection-card {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }

  .detection-icon {
    width: 64px;
    height: 64px;
  }

  .detection-icon i {
    font-size: 32px;
  }

  .detection-content h4 {
    font-size: 20px;
  }

  .download-options-title,
  .instructions-title {
    font-size: 20px;
  }

  .download-card {
    padding: 24px 20px;
  }
}

/*--------------------------------------------------------------
# Tech Background Elements
--------------------------------------------------------------*/
.tech-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* 浮动粒子效果 */
.tech-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.tech-particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--blue-opacity-06);
  border-radius: 50%;
  box-shadow: 
    0 0 6px var(--primary-blue),
    0 0 12px var(--blue-opacity-06);
  animation: tech-particle-float 8s ease-in-out infinite;
}

.tech-particle:nth-child(1) {
  top: 10%;
  left: 20%;
  animation-delay: 0s;
  animation-duration: 10s;
}

.tech-particle:nth-child(2) {
  top: 30%;
  right: 15%;
  animation-delay: 1s;
  animation-duration: 12s;
}

.tech-particle:nth-child(3) {
  bottom: 25%;
  right: 25%;
  animation-delay: 2s;
  animation-duration: 9s;
}

.tech-particle:nth-child(4) {
  bottom: 15%;
  left: 30%;
  animation-delay: 3s;
  animation-duration: 11s;
}

.tech-particle:nth-child(5) {
  top: 50%;
  left: 10%;
  animation-delay: 4s;
  animation-duration: 13s;
}

.tech-particle:nth-child(6) {
  top: 70%;
  right: 20%;
  animation-delay: 5s;
  animation-duration: 10s;
}

.tech-particle:nth-child(7) {
  top: 20%;
  left: 60%;
  animation-delay: 6s;
  animation-duration: 14s;
}

.tech-particle:nth-child(8) {
  bottom: 40%;
  right: 10%;
  animation-delay: 7s;
  animation-duration: 11s;
}

@keyframes tech-particle-float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.3;
  }
  25% {
    transform: translate(30px, -40px) scale(1.2);
    opacity: 0.6;
  }
  50% {
    transform: translate(-20px, -60px) scale(0.8);
    opacity: 0.8;
  }
  75% {
    transform: translate(40px, -30px) scale(1.1);
    opacity: 0.5;
  }
}

/* 星空背景效果 */
.stars-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  box-shadow: 
    0 0 4px rgba(255, 255, 255, 1),
    0 0 8px rgba(255, 255, 255, 0.9),
    0 0 16px var(--blue-opacity-07),
    0 0 24px var(--purple-opacity-05),
    0 0 32px var(--blue-opacity-03);
  animation: star-twinkle 3s ease-in-out infinite;
  filter: blur(0.3px);
  will-change: opacity, transform, filter;
}

/* 星星位置 - 随机分布 */
.star:nth-child(1) {
  top: 15%;
  left: 10%;
  animation-delay: 0s;
  animation-duration: 2.5s;
}

.star:nth-child(2) {
  top: 25%;
  left: 25%;
  animation-delay: 0.3s;
  animation-duration: 3s;
}

.star:nth-child(3) {
  top: 10%;
  left: 45%;
  animation-delay: 0.6s;
  animation-duration: 2.8s;
}

.star:nth-child(4) {
  top: 35%;
  left: 60%;
  animation-delay: 0.9s;
  animation-duration: 3.2s;
}

.star:nth-child(5) {
  top: 20%;
  left: 75%;
  animation-delay: 1.2s;
  animation-duration: 2.7s;
}

.star:nth-child(6) {
  top: 50%;
  left: 15%;
  animation-delay: 1.5s;
  animation-duration: 3.1s;
}

.star:nth-child(7) {
  top: 45%;
  left: 40%;
  animation-delay: 1.8s;
  animation-duration: 2.9s;
}

.star:nth-child(8) {
  top: 60%;
  left: 65%;
  animation-delay: 2.1s;
  animation-duration: 3.3s;
}

.star:nth-child(9) {
  top: 55%;
  left: 85%;
  animation-delay: 2.4s;
  animation-duration: 2.6s;
}

.star:nth-child(10) {
  top: 70%;
  left: 20%;
  animation-delay: 2.7s;
  animation-duration: 3.4s;
}

.star:nth-child(11) {
  top: 75%;
  left: 50%;
  animation-delay: 3s;
  animation-duration: 2.8s;
}

.star:nth-child(12) {
  top: 80%;
  left: 70%;
  animation-delay: 3.3s;
  animation-duration: 3.1s;
}

.star:nth-child(13) {
  top: 5%;
  left: 30%;
  animation-delay: 3.6s;
  animation-duration: 2.9s;
}

.star:nth-child(14) {
  top: 30%;
  left: 80%;
  animation-delay: 3.9s;
  animation-duration: 3.2s;
}

.star:nth-child(15) {
  top: 65%;
  left: 5%;
  animation-delay: 4.2s;
  animation-duration: 2.7s;
}

.star:nth-child(16) {
  top: 40%;
  left: 90%;
  animation-delay: 4.5s;
  animation-duration: 3.3s;
}

.star:nth-child(17) {
  top: 85%;
  left: 35%;
  animation-delay: 4.8s;
  animation-duration: 2.8s;
}

.star:nth-child(18) {
  top: 90%;
  left: 55%;
  animation-delay: 5.1s;
  animation-duration: 3.1s;
}

.star:nth-child(19) {
  top: 12%;
  left: 70%;
  animation-delay: 5.4s;
  animation-duration: 2.9s;
}

.star:nth-child(20) {
  top: 58%;
  left: 30%;
  animation-delay: 5.7s;
  animation-duration: 3.2s;
}

.star:nth-child(21) {
  top: 8%;
  left: 15%;
  animation-delay: 6s;
  animation-duration: 2.6s;
}

.star:nth-child(22) {
  top: 18%;
  left: 50%;
  animation-delay: 6.3s;
  animation-duration: 3.1s;
}

.star:nth-child(23) {
  top: 28%;
  left: 5%;
  animation-delay: 6.6s;
  animation-duration: 2.8s;
}

.star:nth-child(24) {
  top: 38%;
  left: 35%;
  animation-delay: 6.9s;
  animation-duration: 3.3s;
}

.star:nth-child(25) {
  top: 48%;
  left: 70%;
  animation-delay: 7.2s;
  animation-duration: 2.7s;
}

.star:nth-child(26) {
  top: 62%;
  left: 12%;
  animation-delay: 7.5s;
  animation-duration: 3.2s;
}

.star:nth-child(27) {
  top: 72%;
  left: 45%;
  animation-delay: 7.8s;
  animation-duration: 2.9s;
}

.star:nth-child(28) {
  top: 82%;
  left: 25%;
  animation-delay: 8.1s;
  animation-duration: 3.4s;
}

.star:nth-child(29) {
  top: 92%;
  left: 60%;
  animation-delay: 8.4s;
  animation-duration: 2.6s;
}

.star:nth-child(30) {
  top: 3%;
  left: 55%;
  animation-delay: 8.7s;
  animation-duration: 3.1s;
}

.star:nth-child(31) {
  top: 13%;
  left: 88%;
  animation-delay: 9s;
  animation-duration: 2.8s;
}

.star:nth-child(32) {
  top: 33%;
  left: 18%;
  animation-delay: 9.3s;
  animation-duration: 3.3s;
}

.star:nth-child(33) {
  top: 43%;
  left: 52%;
  animation-delay: 9.6s;
  animation-duration: 2.7s;
}

.star:nth-child(34) {
  top: 53%;
  left: 78%;
  animation-delay: 9.9s;
  animation-duration: 3.2s;
}

.star:nth-child(35) {
  top: 63%;
  left: 38%;
  animation-delay: 10.2s;
  animation-duration: 2.9s;
}

.star:nth-child(36) {
  top: 73%;
  left: 8%;
  animation-delay: 10.5s;
  animation-duration: 3.4s;
}

.star:nth-child(37) {
  top: 83%;
  left: 42%;
  animation-delay: 10.8s;
  animation-duration: 2.6s;
}

.star:nth-child(38) {
  top: 93%;
  left: 68%;
  animation-delay: 11.1s;
  animation-duration: 3.1s;
}

.star:nth-child(39) {
  top: 7%;
  left: 95%;
  animation-delay: 11.4s;
  animation-duration: 2.8s;
}

.star:nth-child(40) {
  top: 67%;
  left: 92%;
  animation-delay: 11.7s;
  animation-duration: 3.3s;
}

/* 星星闪烁动画 - 增强版 */
@keyframes star-twinkle {
  0% {
    opacity: 0.2;
    transform: scale(0.8);
    filter: brightness(0.5) blur(0.5px);
  }
  25% {
    opacity: 0.6;
    transform: scale(1.1);
    filter: brightness(1) blur(0.3px);
  }
  50% {
    opacity: 1;
    transform: scale(1.3);
    filter: brightness(1.5) blur(0.2px);
  }
  75% {
    opacity: 0.7;
    transform: scale(1.1);
    filter: brightness(1.2) blur(0.3px);
  }
  100% {
    opacity: 0.2;
    transform: scale(0.8);
    filter: brightness(0.5) blur(0.5px);
  }
}

/* 确保内容在背景之上 */
.main {
  position: relative;
  z-index: 1;
}

.header {
  position: relative;
  z-index: 100;
}

/* 增强section的科技感 */
section.section {
  position: relative;
}

/* 增强卡片的科技感边框 */
.services .service-item,
.reader-feature-item {
  position: relative;
  overflow: hidden;
}

.services .service-item::after,
.reader-feature-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.services .service-item:hover::after,
.reader-feature-item:hover::after {
  left: 100%;
}

/* 增强图标容器的科技感 */
.services .service-item .icon,
.reader-feature-icon {
  position: relative;
}

.services .service-item .icon::before,
.reader-feature-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
  transition: width 0.3s ease, height 0.3s ease;
}

.services .service-item:hover .icon::before,
.reader-feature-item:hover .reader-feature-icon::before {
  width: 80px;
  height: 80px;
}

/* 增强section标题的科技感 */
.section-title h2 {
  position: relative;
}

.section-title h2::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(59, 130, 246, 0.8),
    rgba(139, 92, 246, 0.8),
    rgba(59, 130, 246, 0.8),
    transparent
  );
  animation: title-line-expand 1s ease-out forwards;
  animation-delay: 0.5s;
}

@keyframes title-line-expand {
  from {
    width: 0;
  }
  to {
    width: 50px;
  }
}

/* 增强按钮的科技感 */
.btn-get-started,
.reader-actions .btn-get-started {
  position: relative;
  overflow: hidden;
}

.btn-get-started::before,
.reader-actions .btn-get-started::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-get-started:hover::before,
.reader-actions .btn-get-started:hover::before {
  left: 100%;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .tech-particle {
    width: 1.5px;
    height: 1.5px;
  }

  .star {
    width: 1.5px;
    height: 1.5px;
  }
}

/*--------------------------------------------------------------
# 全局科幻增强效果
--------------------------------------------------------------*/

/* 增强所有卡片的科幻感 */
.services .service-item,
.reader-feature-item,
.download-card,
.instruction-item {
  position: relative;
}

/* 添加科技感边框光效 */
.services .service-item::after,
.reader-feature-item::after {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.3),
    rgba(139, 92, 246, 0.3),
    rgba(59, 130, 246, 0.3)
  );
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.services .service-item:hover::after,
.reader-feature-item:hover::after {
  opacity: 1;
}

/* 增强section标题的科幻感 */
.section-title h2 {
  position: relative;
  overflow: visible;
}

/* 增强按钮的科幻感 */
.btn-get-started,
.reader-actions .btn-get-started,
.btn-download-primary {
  position: relative;
  overflow: hidden;
}

/* 添加全局光效动画 */
@keyframes global-glow {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* 增强下载卡片的科幻感 */
.download-card {
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent,
    rgba(59, 130, 246, 0.05),
    transparent 30%
  );
  animation: rotate-glow 10s linear infinite;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.download-card:hover::before {
  opacity: 1;
}

/* 增强检测卡片的科幻感 */
.detection-card {
  position: relative;
  overflow: hidden;
}

.detection-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.2),
    transparent
  );
  transition: left 0.6s ease;
}

.detection-card:hover::after {
  left: 100%;
}

/* 增强图标光效 */
.detection-icon,
.download-card-icon {
  position: relative;
}

.detection-icon::before,
.download-card-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, transparent 70%);
  transition: width 0.4s ease, height 0.4s ease;
  pointer-events: none;
}

.detection-card:hover .detection-icon::before,
.download-card:hover .download-card-icon::before {
  width: 100px;
  height: 100px;
}

/* 增强文本的科幻感 */
.detection-content h4,
.download-options-title,
.instructions-title {
  text-shadow: 
    0 0 15px rgba(59, 130, 246, 0.3),
    0 0 30px rgba(139, 92, 246, 0.2);
  letter-spacing: 0.05em;
}

/* 增强按钮的科幻感 */
.btn-download-primary,
.btn-download {
  position: relative;
  overflow: hidden;
}

.btn-download-primary::before,
.btn-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-download-primary:hover::before,
.btn-download:hover::before {
  left: 100%;
}

.btn-download-primary:hover,
.btn-download:hover {
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(59, 130, 246, 0.4),
    0 0 50px rgba(139, 92, 246, 0.3);
}

/* ===== 方案一&三：额外视觉增强效果 ===== */

/* 图标容器呼吸光晕效果 */
.services .service-item .icon,
.reader-feature-icon {
  animation: icon-breath 3s ease-in-out infinite;
}

@keyframes icon-breath {
  0%, 100% {
    box-shadow: 
      var(--shadow-md),
      0 0 15px rgba(59, 130, 246, 0.2),
      inset 0 1px 0 var(--white-opacity-20);
  }
  50% {
    box-shadow: 
      var(--shadow-md),
      0 0 25px rgba(59, 130, 246, 0.4),
      0 0 40px rgba(139, 92, 246, 0.2),
      inset 0 1px 0 var(--white-opacity-20);
  }
}

/* 增强特色徽章样式 */
.hero-eyebrow {
  position: relative;
  animation: badge-glow 2s ease-in-out infinite;
}

@keyframes badge-glow {
  0%, 100% {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
  }
}

/* 模拟浏览器窗口增强效果 */
.mock-browser {
  animation: browser-float 6s ease-in-out infinite;
}

@keyframes browser-float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 下拉菜单打开时的入场动画优化 */
.navmenu .dropdown:hover > ul,
.navmenu .dropdown .dropdown:hover > ul {
  animation: dropdown-slide-in 0.3s ease-out forwards;
}

@keyframes dropdown-slide-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 联系表单输入框聚焦发光增强 */
.contact .php-email-form input[type=text]:focus,
.contact .php-email-form input[type=email]:focus,
.contact .php-email-form textarea:focus {
  animation: input-glow 1.5s ease-in-out infinite;
}

@keyframes input-glow {
  0%, 100% {
    box-shadow: 
      inset 0 1px 3px rgba(0, 0, 0, 0.3),
      0 0 0 3px rgba(59, 130, 246, 0.15),
      0 0 20px rgba(59, 130, 246, 0.2);
  }
  50% {
    box-shadow: 
      inset 0 1px 3px rgba(0, 0, 0, 0.3),
      0 0 0 3px rgba(59, 130, 246, 0.25),
      0 0 30px rgba(59, 130, 246, 0.4);
  }
}

/* 增强页面滚动到顶部按钮 */
.scroll-top {
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.scroll-top:hover {
  animation: scroll-bounce-fast 0.5s ease-in-out infinite;
}

@keyframes scroll-bounce-fast {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}