/* 
   New Website Design System 
   Based on Google/Tencent Corporate Style
*/

:root {
    /* Core Colors - Dark Mode (Default) */
    --bg-body: #050505;
    --bg-surface: #141419;
    --bg-glass: rgba(20, 20, 25, 0.6);
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --border-color: rgba(255, 255, 255, 0.1);

    --primary-color: #0052D9;
    /* Tencent Blue */
    --primary-hover: #003CAB;
    --accent-color: #00A870;
    /* Success Green */
    --warning-color: #ED7B2F;
    --danger-color: #E34D59;

    /* Typography */
    --font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Spacing & Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 82, 217, 0.3);
}

[data-theme="light"] {
    --bg-body: #f0f2f5;
    --bg-surface: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --text-main: #1d1d1f;
    --text-muted: rgba(0, 0, 0, 0.6);
    --border-color: rgba(0, 0, 0, 0.1);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 82, 217, 0.15);
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box;
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
    /* Offset for fixed header (70px) + product-nav (70px) */
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden !important;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box;
    margin: 0 !important;
    padding: 0 !important;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

/* --- Utilities --- */
/* Flexbox */
.d-flex {
    display: flex !important;
}

.d-none {
    display: none !important;
}

.flex-column {
    flex-direction: column !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.justify-content-center {
    justify-content: center !important;
}

.align-items-center {
    align-items: center !important;
}

.flex-wrap {
    flex-wrap: wrap !important;
}

.gap-1 {
    gap: 4px !important;
}

.gap-2 {
    gap: 8px !important;
}

.gap-3 {
    gap: 16px !important;
}

.gap-4 {
    gap: 24px !important;
}

.gap-5 {
    gap: 48px !important;
}

/* Spacing */
.m-0 {
    margin: 0 !important;
}

.mt-auto {
    margin-top: auto !important;
}

.mb-3 {
    margin-bottom: 16px !important;
}

.mb-4 {
    margin-bottom: 24px !important;
}

.mb-5 {
    margin-bottom: 48px !important;
}

.p-0 {
    padding: 0 !important;
}

.p-1 {
    padding: 4px !important;
}

.p-2 {
    padding: 8px !important;
}

.p-3 {
    padding: 16px !important;
}

.p-4 {
    padding: 24px !important;
}

.py-3 {
    padding-top: 16px !important;
    padding-bottom: 16px !important;
}

.px-4 {
    padding-left: 24px !important;
    padding-right: 24px !important;
}

/* Typography */
.fw-bold {
    font-weight: 700 !important;
}

.fw-medium {
    font-weight: 500 !important;
}

.fs-4 {
    font-size: 1.5rem !important;
}

.fs-5 {
    font-size: 1.25rem !important;
}

.text-center {
    text-align: center !important;
}

.text-decoration-none {
    text-decoration: none !important;
}

.text-white {
    color: #fff !important;
}

/* Sizing & Positioning */
.w-100 {
    width: 100% !important;
}

.h-100 {
    height: 100% !important;
}

.position-fixed {
    position: fixed !important;
}

.top-0 {
    top: 0 !important;
}

.start-0 {
    left: 0 !important;
}

/* Borders & Radius */
.rounded {
    border-radius: var(--radius-sm) !important;
}

.rounded-circle {
    border-radius: 50% !important;
}

.border-bottom {
    border-bottom: 1px solid var(--border-color) !important;
}

/* Backgrounds */
.bg-primary {
    background-color: var(--primary-color) !important;
}

/* Responsive Utilities */
@media (min-width: 768px) {
    .d-md-flex {
        display: flex !important;
    }

    .d-md-inline-flex {
        display: inline-flex !important;
    }

    .d-md-none {
        display: none !important;
    }

    .d-md-block {
        display: block !important;
    }
}

/* --- Grid System (Lightweight) --- */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -12px;
    margin-left: -12px;
}

.row>* {
    padding-right: 12px;
    padding-left: 12px;
    width: 100%;
    /* Default to full width (mobile) */
    box-sizing: border-box;
}

/* Override default width for column classes on desktop */
@media (min-width: 768px) {
    .row>*:not([class*="col-"]) {
        width: 100%;
    }
}

/* Gap utilities for row spacing */
.row.g-4 {
    gap: 24px !important;
    margin-right: 0 !important;
    margin-left: 0 !important;
}

.row.g-4>* {
    padding-right: 0 !important;
    padding-left: 0 !important;
}

/* Ensure column classes work correctly with gap */
@media (min-width: 768px) {
    /* For 2 columns: (100% - 24px gap) / 2 = calc(50% - 12px) */
    .row.g-4 .col-md-6 {
        width: calc(50% - 12px) !important;
        flex: 0 0 calc(50% - 12px) !important;
        max-width: calc(50% - 12px) !important;
    }
    
    /* For 3 columns: (100% - 48px gaps) / 3 = calc(33.333333% - 16px) */
    .row.g-4 .col-md-4 {
        width: calc(33.333333% - 16px) !important;
        flex: 0 0 calc(33.333333% - 16px) !important;
        max-width: calc(33.333333% - 16px) !important;
    }
    
    /* For 4 columns: (100% - 72px gaps) / 4 = calc(25% - 18px) */
    .row.g-4 .col-md-3 {
        width: calc(25% - 18px) !important;
        flex: 0 0 calc(25% - 18px) !important;
        max-width: calc(25% - 18px) !important;
    }
}

/* Fix overflow on mobile */
@media (max-width: 768px) {
    .row {
        margin-right: 0;
        margin-left: 0;
    }

    .row>* {
        padding-right: 0;
        padding-left: 0;
        width: 100% !important;
        min-width: 100% !important;
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }

    /* Override inline styles on mobile */
    [style*="width: 50%"],
    [style*="width: 33.33333333%"],
    [style*="width: 66.66666667%"] {
        width: 100% !important;
        max-width: 100% !important;
    }

    [style*="min-width: 300px"] {
        min-width: 100% !important;
        max-width: 100% !important;
    }

    /* Ensure all flex items don't overflow */
    [style*="flex: 0 0 auto"] {
        flex: 0 0 100% !important;
    }

    [style*="flex: 1"] {
        flex: 0 0 100% !important;
        min-width: 100% !important;
    }
}

/* Grid Columns */
@media (min-width: 768px) {
    .row .col-md-3,
    .col-md-3 {
        flex: 0 0 25% !important;
        width: 25% !important;
        max-width: 25% !important;
    }

    .row .col-md-4,
    .col-md-4 {
        flex: 0 0 33.333333% !important;
        width: 33.333333% !important;
        max-width: 33.333333% !important;
    }

    .row .col-md-6,
    .col-md-6 {
        flex: 0 0 50% !important;
        width: 50% !important;
        max-width: 50% !important;
    }

    .row .col-md-12,
    .col-md-12 {
        flex: 0 0 100% !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    /* Header Medium Screen (768px - 991px) - Tablet */
    header {
        padding: 16px 0;
    }

    header .container {
        padding: 0 24px;
    }

    header .logo span {
        font-size: 1.1rem;
    }

    header nav {
        display: flex !important;
        gap: 20px;
    }

    header .nav-link {
        font-size: 0.9rem;
        padding: 8px 0;
    }

    header .d-flex.align-items-center.gap-3 {
        gap: 12px;
    }

    header .btn-primary.d-none {
        display: inline-flex !important;
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    header #menu-toggle {
        display: none !important;
    }
}

@media (min-width: 992px) {
    .col-lg-2 {
        flex: 0 0 auto;
        width: 16.666667%;
    }

    .row .col-lg-3,
    .col-lg-3 {
        flex: 0 0 25% !important;
        width: 25% !important;
        max-width: 25% !important;
    }

    .row .col-lg-4,
    .col-lg-4 {
        flex: 0 0 33.333333% !important;
        width: 33.333333% !important;
        max-width: 33.333333% !important;
    }

    .mb-lg-0 {
        margin-bottom: 0 !important;
    }

    /* Header Large Screen (>= 992px) - Desktop */
    header {
        padding: 20px 0;
    }

    header .container {
        padding: 0 20px;
        max-width: 1200px;
    }

    header .logo span {
        font-size: 1.25rem;
    }

    header nav {
        display: flex !important;
        gap: 24px;
    }

    header .nav-link {
        font-size: 0.95rem;
        padding: 8px 0;
    }

    header .d-flex.align-items-center.gap-3 {
        gap: 16px;
    }

    header .btn-primary.d-none {
        display: inline-flex !important;
        padding: 10px 24px;
        font-size: 1rem;
    }

    header #menu-toggle {
        display: none !important;
    }
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px 20px;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Prevent container overflow on mobile */
@media (max-width: 768px) {
    .container {
        padding: 0px 16px !important;
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
    }
}

.text-primary {
    color: var(--primary-color) !important;
}

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

.bg-surface {
    background-color: var(--bg-surface) !important;
}

.text-adaptive {
    color: var(--text-main);
}

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

.hover-primary:hover {
    color: var(--primary-color) !important;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 82, 217, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 82, 217, 0.4);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover,
.btn-outline.active {
    background: var(--bg-surface);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Circular More Button */
.btn-circle-more {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.btn-circle-more:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.05);
    background: rgba(0, 82, 217, 0.1);
}

/* --- Glass Card --- */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    z-index: 1;
    overflow: visible;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

/* Navbar (Placeholder for component) */
/* Navbar - Base Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 20px 0;
    box-sizing: border-box;
    overflow: hidden;
    overflow-x: hidden;
    overflow-y: hidden;
    height: auto;
    min-height: auto;
    max-height: none;
    /* Dark mode default - transparent background */
    background: transparent;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

header .container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    overflow-x: hidden;
    overflow-y: hidden;
    height: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

/* Header Scrolled State - Dark Mode */
header.scrolled {
    padding: 12px 0;
    background: rgba(20, 20, 25, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Light Theme - Always Transparent */
[data-theme="light"] header {
    background: transparent !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme="light"] header.scrolled {
    background: transparent !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Header Logo */
header .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    flex-shrink: 0;
    min-width: auto;
    z-index: 1;
}

/* Theme-aware Logos (Header / Mobile Menu / Footer) */
header .logo-img,
#nav-menu .menu-logo-img,
.footer .footer-logo-img {
    display: none;
    height: auto;
    object-fit: contain;
}

/* Default theme is dark */
header .logo-dark,
#nav-menu .menu-logo-dark,
.footer .footer-logo-dark {
    display: block;
}

header .logo-light,
#nav-menu .menu-logo-light,
.footer .footer-logo-light {
    display: none;
}

/* Light theme */
[data-theme="light"] header .logo-dark,
[data-theme="light"] #nav-menu .menu-logo-dark,
[data-theme="light"] .footer .footer-logo-dark {
    display: none;
}

[data-theme="light"] header .logo-light,
[data-theme="light"] #nav-menu .menu-logo-light,
[data-theme="light"] .footer .footer-logo-light {
    display: block;
}

header .logo-mark {
    flex-shrink: 0;
}

header .logo span {
    font-weight: 700;
    font-size: 1.25rem;
    white-space: nowrap;
    transition: font-size 0.3s ease;
}

/* Floating Customer Service Button & Modal */
.floating-cs-button {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 999998;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 999px;
    background: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    user-select: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.floating-cs-button:hover {
    transform: translateY(-2px);
    background: var(--primary-hover);
    box-shadow: 0 18px 52px rgba(0, 0, 0, 0.35);
}

.floating-cs-button:active {
    transform: translateY(0);
}

.floating-cs-button .cs-button-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
}

.floating-cs-button .cs-button-text {
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

@media (max-width: 480px) {
    .floating-cs-button {
        right: 16px;
        bottom: 16px;
        padding: 12px 14px;
    }

    .floating-cs-button .cs-button-text {
        display: none;
    }
}

.cs-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

[data-theme="light"] .cs-modal-overlay {
    background: rgba(0, 0, 0, 0.35);
}

.cs-modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.cs-modal-content {
    position: relative;
    width: min(560px, calc(100vw - 40px));
    max-height: calc(100vh - 40px);
    overflow: auto;
    border-radius: 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 22px 22px 20px;
    transform: translateY(8px) scale(0.98);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.cs-modal-overlay.active .cs-modal-content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.cs-close-btn {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.cs-close-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: rotate(90deg);
}

[data-theme="light"] .cs-close-btn:hover {
    background: rgba(0, 0, 0, 0.06);
}

.cs-modal-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 4px 8px 18px;
}

.cs-header-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 82, 217, 0.15);
    color: var(--primary-color);
    margin-bottom: 10px;
}

.cs-header-icon i {
    font-size: 22px;
}

.cs-modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
}

.cs-modal-subtitle {
    margin: 6px 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.cs-form {
    margin-top: 6px;
}

.cs-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

@media (max-width: 640px) {
    .cs-form-row {
        grid-template-columns: 1fr;
    }
}

.cs-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.cs-form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.cs-form-input,
.cs-form-textarea {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    padding: 12px 12px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

[data-theme="light"] .cs-form-input,
[data-theme="light"] .cs-form-textarea {
    background: rgba(0, 0, 0, 0.02);
}

.cs-form-input::placeholder,
.cs-form-textarea::placeholder {
    color: var(--text-muted);
}

.cs-form-input:focus,
.cs-form-textarea:focus {
    border-color: rgba(0, 82, 217, 0.55);
    box-shadow: 0 0 0 4px rgba(0, 82, 217, 0.18);
}

.cs-form-textarea {
    resize: vertical;
    min-height: 120px;
}

.cs-submit-btn {
    width: 100%;
    border: none;
    border-radius: 14px;
    padding: 13px 14px;
    background: var(--primary-color);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.cs-submit-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.cs-submit-btn:active {
    transform: translateY(0);
}

/* Header Navigation */
header nav {
    display: none;
    gap: 24px;
    align-items: center;
    flex-shrink: 0;
    flex-wrap: nowrap;
}

/* Hide mobile menu on desktop */
@media (min-width: 768px) {
    #nav-menu {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
}

/* Show mobile menu only on mobile */
@media (max-width: 767px) {
    #nav-menu {
        display: flex !important;
    }
}

/* Header Actions */
header .d-flex.align-items-center.gap-3 {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
    z-index: 1;
}

header .btn {
    flex-shrink: 0;
    min-width: auto;
    white-space: nowrap;
}

/* Ensure menu toggle button is visible on mobile */
header #menu-toggle {
    display: none;
}

@media (max-width: 767px) {
    header #menu-toggle {
        display: flex !important;
    }
}

.nav-link {
    position: relative;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu */
#nav-menu {
    background: var(--bg-surface);
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    width: 100%;
    max-width: 100vw;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999999 !important;
    padding: 24px;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    will-change: transform;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
        visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    margin: 0;
    isolation: isolate;
}

#nav-menu.active {
    transform: translateX(0) !important;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 999999 !important;
    height: 100vh !important;
    min-height: 100vh !important;
    max-height: 100vh !important;
}

/* Ensure menu content is visible when menu is active */
#nav-menu.active * {
    opacity: 1 !important;
    visibility: visible !important;
}

/* Ensure specific menu elements are visible */
#nav-menu.active>div,
#nav-menu.active>a,
#nav-menu.active>button {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
}

#nav-menu.active .d-flex {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
}

#nav-menu.active a {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* Footer (Refined) */
footer {
    background-color: var(--bg-surface);
    padding: 50px 0 20px;
    /* Reduced padding */
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Footer Row Layout */
footer .row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

footer .row > * {
    padding-left: 15px !important;
    padding-right: 15px !important;
}

/* Footer row with gap - remove gap on desktop */
footer .row.gy-4 {
    gap: 0 !important;
}

/* Footer Links Column - Ensure proper width on desktop */
footer .footer-links-col {
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* Footer Desktop Layout */
@media (min-width: 992px) {
    footer .row {
        display: flex !important;
        flex-wrap: nowrap !important;
        align-items: flex-start !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        gap: 0 !important;
    }

    footer .row > * {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: auto !important;
    }

    /* 品牌列 - 第一个 col-lg-4 */
    footer .row > .col-lg-4:first-child {
        flex: 0 0 33.333333% !important;
        width: 33.333333% !important;
        max-width: 33.333333% !important;
        min-width: 0 !important;
        display: block !important;
    }

    /* 解决方案和关于我们列 - col-lg-2 */
    footer .row > .col-lg-2 {
        flex: 0 0 16.666667% !important;
        width: 16.666667% !important;
        max-width: 16.666667% !important;
        min-width: 0 !important;
        display: block !important;
    }

    footer .row > .col-lg-2.footer-links-col {
        display: flex !important;
        flex-direction: column !important;
    }

    /* 联系方式列 - 最后一个 col-lg-4 */
    footer .row > .col-lg-4:last-child {
        flex: 0 0 33.333333% !important;
        width: 33.333333% !important;
        max-width: 33.333333% !important;
        min-width: 0 !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

.footer-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 20px;
    display: block;
}

.footer-link {
    display: block;
    color: var(--text-main);
    opacity: 0.7;
    margin-bottom: 10px;
    /* Reduced margin */
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.footer-link:hover {
    opacity: 1;
    color: var(--primary-color);
    transform: translateX(2px);
}

.footer-brand-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 280px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    /* Center alignment */
    gap: 12px;
    margin-bottom: 14px;
    color: var(--text-muted);
    line-height: 1.4;
}

.footer-contact-icon {
    color: var(--primary-color);
    flex-shrink: 0;
    /* Prevent icon shrinking */
    width: 16px;
    text-align: center;
}

.footer-bottom {
    margin-top: 40px;
    /* Reduced margin */
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-link {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

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

.footer-bottom-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-main);
}

.footer-licenses {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-size: 0.75rem;
}

.footer-license-separator {
    color: var(--text-muted);
    opacity: 0.5;
}

.footer-license-item {
    white-space: nowrap;
}

/* --- Mobile Responsiveness & Polish --- */
@media (max-width: 768px) {
    /* ... existing mobile styles ... */

    /* Mobile Footer Fixes */
    footer {
        padding: 40px 0 24px;
        text-align: left;
    }

    .footer-heading {
        margin-top: 0;
        margin-bottom: 16px;
    }

    /* Hide links on mobile as requested */
    .footer-links-col {
        display: none;
    }

    .footer-bottom-info {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .footer-copyright {
        font-size: 0.85rem;
    }

    .footer-licenses {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        align-items: center;
        font-size: 0.75rem;
    }

    .footer-license-separator {
        color: var(--text-muted);
        opacity: 0.5;
    }

    .footer-license-item {
        white-space: nowrap;
    }

    .footer-bottom {
        margin-top: 30px;
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .footer-bottom-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }
}

/* --- Homepage Styles --- */

/* Hero Section */
.hero-section {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, rgba(0, 82, 217, 0.1) 0%, transparent 70%);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

.hero-visual {
    position: relative;
    height: 500px;
    perspective: 1000px;
}

.hero-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: auto;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.hero-card-sm {
    position: absolute;
    padding: 16px;
    z-index: 3;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translate(-50%, -50%) translateY(0);
    }

    50% {
        transform: translate(-50%, -50%) translateY(-20px);
    }
}

/* Section General */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 60px;
}

/* Feature Cards */
.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(0, 82, 217, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 24px;
    flex-shrink: 0;
}

/* Logo Wall */
.logo-wall {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.logo-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    min-height: 80px;
    min-width: 140px;
}

.logo-item:hover {
    background: var(--bg-glass);
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.logo-wall img {
    height: 40px;
    width: auto;
    max-width: 120px;
    opacity: 0.5;
    transition: all 0.3s ease;
    object-fit: contain;
}

.logo-item:hover img {
    opacity: 1;
    transform: scale(1.05);
}

/* 浅色模式下，白色logo转换为深色显示 */
[data-theme="light"] .logo-wall img {
    filter: brightness(0) saturate(100%);
    opacity: 0.6;
}

[data-theme="light"] .logo-item:hover img {
    opacity: 0.9;
}

/* 浅色模式下，logo容器使用浅灰背景 */
[data-theme="light"] .logo-item {
    background: #f5f5f7;
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .logo-item:hover {
    background: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 82, 217, 0.15);
}

/* News Card */
.news-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-date {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-main);
    transition: color 0.3s ease;
}

.news-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.news-card:hover .news-title {
    color: var(--primary-color);
}

/* --- About Us Styles --- */

/* Timeline */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: 60px;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 40px;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 40px;
}

.timeline-dot {
    position: absolute;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-date {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1.25rem;
}

/* Team Card */
.team-card {
    text-align: center;
    transition: transform 0.3s ease;
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid var(--bg-surface);
    box-shadow: var(--shadow-sm);
}

.team-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-role {
    color: var(--primary-color);
    font-size: 0.875rem;
    margin-bottom: 12px;
}

/* --- Products Styles --- */
.product-header {
    padding: 140px 0 100px;
    background: var(--bg-body);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-header-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(0, 82, 217, 0.08), transparent 70%);
    z-index: 0;
}

.product-header-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 168, 112, 0.15), transparent);
    border-radius: 50%;
    filter: blur(60px);
    animation: float 6s ease-in-out infinite;
    z-index: 0;
}

.product-hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.product-hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 60px;
}

.product-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.product-stat-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.product-stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 16px;
    display: block;
}

.product-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.product-stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.product-stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 82, 217, 0.15);
}

/* Product Section Header */
.product-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.product-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.1), rgba(0, 168, 112, 0.1));
    border: 1px solid rgba(0, 82, 217, 0.3);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.product-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
}

.product-section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

/* Product Intro Box */
.product-intro-box {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    margin-bottom: 48px;
    text-align: center;
}

/* Product Features Grid */
.product-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.product-feature-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.product-feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.product-feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.1), rgba(0, 168, 112, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
}

/* Product Slogan */
.product-slogan {
    text-align: center;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--primary-color);
    margin: 48px auto;
    max-width: 800px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.05), rgba(0, 168, 112, 0.05));
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

.product-slogan i {
    font-size: 1rem;
    opacity: 0.6;
    margin: 0 8px;
}

/* Product Section Transition */
.product-section {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .product-nav {
        position: relative;
        top: 0;
        padding: 12px 0;
    }

    .product-nav .nav-link {
        font-size: 0.85rem;
        padding: 8px 12px;
        white-space: nowrap;
    }

    .product-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .product-stat-item {
        padding: 16px;
    }

    .product-stat-item i {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }

    .product-stat-number {
        font-size: 1.5rem;
    }

    .product-features-grid {
        grid-template-columns: 1fr;
    }

    .product-section-title {
        font-size: 1.8rem;
    }
}

.product-nav {
    position: sticky;
    top: 70px;
    z-index: 90;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    margin-bottom: 60px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.product-nav::-webkit-scrollbar {
    height: 3px;
}

.product-nav::-webkit-scrollbar-track {
    background: transparent;
}

.product-nav::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.product-nav .nav-link {
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.product-nav .nav-link:hover {
    background: rgba(0, 82, 217, 0.1);
    color: var(--primary-color);
}

.product-nav .nav-link.active {
    background: var(--primary-color);
    color: #fff;
}

.product-detail-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-surface);
    transition: transform 0.3s ease;
}

.product-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.product-img {
    height: 240px;
    background: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-muted);
}

.product-content {
    padding: 32px;
    flex: 1;
}

.feature-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.feature-list li::before {
    content: '\f00c';
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--accent-color);
    font-size: 0.875rem;
}

/* --- News Section Styles --- */
.section-icon-box {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.2), rgba(0, 168, 112, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- About Us Styles --- */
.about-hero {
    min-height: 66vh;
    background-color: var(--bg-body);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.about-hero .container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
}

.about-hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 60px;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.about-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 82, 217, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.about-hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse at center, rgba(0, 168, 112, 0.03) 0%, transparent 60%);
    z-index: 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.display-3 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.2;
}

.about-hero-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(0, 82, 217, 0.1);
    border: 1px solid rgba(0, 82, 217, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    animation: floatIcon 3s ease-in-out infinite;
    z-index: 1;
}

.about-hero-icon:nth-child(3) {
    animation-delay: 0.5s;
}

.about-hero-icon:nth-child(4) {
    animation-delay: 1s;
}

.about-hero-icon:nth-child(5) {
    animation-delay: 1.5s;
}

.about-hero-icon:nth-child(6) {
    animation-delay: 2s;
}

@keyframes floatIcon {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.about-stat-card {
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.about-stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 82, 217, 0.1);
}

.about-stat-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 16px;
    opacity: 0.8;
}

.about-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    line-height: 1;
    color: var(--text-main);
}

/* Fallback for browsers that don't support background-clip */
@supports not (-webkit-background-clip: text) {
    .about-stat-number {
        -webkit-text-fill-color: var(--text-main);
        color: var(--text-main);
    }
}

.about-stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Timeline Year Selector */
.timeline-year-selector {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 24px 0;
    margin-bottom: 48px;
}

.timeline-year-btn {
    position: relative;
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.timeline-year-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(0, 82, 217, 0.05);
}

.timeline-year-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* Timeline Content */
.timeline-content-wrapper {
    position: relative;
    min-height: 450px;
}

.timeline-year-content {
    display: none;
    animation: fadeInContent 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-year-content.active {
    display: block;
}

@keyframes fadeInContent {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Timeline List Layout */
.timeline-event-card {
    background: transparent;
    border: none;
    border-left: 2px solid var(--border-color);
    padding: 0 0 32px 32px;
    margin-left: 0;
    position: relative;
    transition: all 0.3s ease;
}

.timeline-event-card::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 8px;
    width: 10px;
    height: 10px;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.timeline-event-card:hover::before {
    border-color: var(--primary-color);
    background: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 82, 217, 0.1);
}

.timeline-event-card:last-child {
    border-left-color: transparent;
    padding-bottom: 0;
}

/* Milestone Style */
.timeline-milestone::before {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.timeline-highlight {
    border-left-color: var(--accent-color);
}

.timeline-highlight::before {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

/* Timeline Tag */
.timeline-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(0, 82, 217, 0.08);
    border-radius: 4px;
    color: var(--primary-color);
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.timeline-event-date {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-event-card h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.timeline-event-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 1024px) {
    .timeline-year-btn {
        width: 70px;
        height: 70px;
        font-size: 1rem;
    }

    .timeline-year-content {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .about-hero-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .about-stat-number {
        font-size: 2rem;
    }

    .timeline-year-selector {
        flex-wrap: wrap;
        gap: 12px;
        padding: 24px 0;
        margin-bottom: 32px;
    }

    .timeline-year-selector::before {
        display: none;
    }

    .timeline-year-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .timeline-year-btn.active {
        transform: scale(1.1);
    }

    .timeline-year-btn.active::after {
        display: none;
    }

    .timeline-year-content {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    /* Cases Page Mobile Styles */
    .cases-header {
        padding: 60px 0;
    }

    .cases-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .cases-stat-item {
        padding: 16px;
    }

    .cases-stat-item i {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }

    .cases-stat-number {
        font-size: 1.5rem;
    }

    .case-filter-buttons {
        width: 100%;
        justify-content: center;
    }

    .filter-btn {
        font-size: 0.85rem;
        padding: 6px 12px;
    }

    /* Featured Case Mobile */
    .featured-case-image {
        min-height: 300px;
    }

    .featured-case-icon-wrapper {
        width: 100px;
        height: 100px;
    }

    .featured-case-icon-wrapper i {
        font-size: 3rem;
    }

    .featured-case-content {
        padding: 32px 24px;
    }

    .featured-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .featured-stat-item {
        padding: 16px;
    }

    .featured-stat-value {
        font-size: 2rem;
    }
}

.section-icon-box {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.2), rgba(0, 168, 112, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- CTA Section Styles --- */
.cta-card {
    background: linear-gradient(135deg, #0052D9 0%, #003CAB 100%);
    border-radius: var(--radius-lg);
    padding: 60px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 82, 217, 0.3);
}

.cta-glow-1 {
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 168, 112, 0.3) 0%, transparent 70%);
    filter: blur(60px);
    z-index: 0;
}

.cta-glow-2 {
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(237, 123, 47, 0.2) 0%, transparent 70%);
    filter: blur(60px);
    z-index: 0;
}

.btn-outline-white {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 12px 32px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

.text-white-50 {
    color: rgba(255, 255, 255, 0.7) !important;
}

.z-1 {
    z-index: 1;
}

@media (max-width: 768px) {
    .cta-card {
        padding: 40px 24px;
        text-align: center;
    }

    .cta-card .d-flex {
        justify-content: center !important;
    }
}

/* Featured Case Styles */
.featured-case-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.featured-case-image {
    height: 100%;
    min-height: 400px;
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-case-image-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(66, 153, 225, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(72, 187, 120, 0.15) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

.featured-case-icon-wrapper {
    position: relative;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.featured-case-icon-wrapper i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.95);
}

.featured-case-content {
    padding: 48px;
}

.featured-case-badge {
    display: inline-flex !important;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: linear-gradient(135deg, #0052d9 0%, #00a870 100%);
    border-radius: 24px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 24px;
    box-shadow: 0 4px 16px rgba(0, 82, 217, 0.3);
    letter-spacing: 0.5px;
}

.featured-case-badge i {
    font-size: 1.1rem;
}

.featured-case-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.3;
}

.featured-case-description {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
    font-size: 1rem;
}

.featured-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.featured-stat-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.featured-stat-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 82, 217, 0.15);
}

.featured-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.1), rgba(0, 168, 112, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.featured-stat-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.featured-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1;
}

.featured-stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.featured-case-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.featured-case-btn:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 24px rgba(0, 82, 217, 0.3);
}

.featured-case-btn i {
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.featured-case-btn:hover i {
    transform: translateX(4px);
}

/* --- Case Studies Styles --- */
/* --- Cases Page Styles --- */
.cases-header {
    padding: 100px 0;
    background: var(--bg-body);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cases-header-bg {
    position: absolute;
    inset: 0;
    /* background: radial-gradient(circle at 50% 0%, rgba(0, 168, 112, 0.08), transparent 70%); */
    z-index: 0;
}

.cases-header-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 82, 217, 0.15), transparent);
    border-radius: 50%;
    filter: blur(60px);
    animation: float 6s ease-in-out infinite;
    z-index: 0;
}

.cases-hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cases-hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 60px;
}

.cases-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.cases-stat-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.cases-stat-item i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
    display: block;
}

.cases-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.cases-stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cases-stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: 0 10px 30px rgba(0, 168, 112, 0.15);
}

/* Cases Grid Layout */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

/* Case Cards */
.case-item {
    display: flex;
}

.case-card {
    flex: 1;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px rgba(0, 82, 217, 0.15);
    border-color: rgba(0, 82, 217, 0.3);
}

.case-image {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.9);
    z-index: 1;
    transition: all 0.4s ease;
}

.case-card:hover .case-image i {
    transform: scale(1.1);
}

.case-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.case-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
    line-height: 1.4;
}

.case-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
}

.case-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.case-tag {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.08), rgba(0, 168, 112, 0.08));
    border: 1px solid rgba(0, 82, 217, 0.15);
    border-radius: 16px;
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.case-card:hover .case-tag {
    background: linear-gradient(135deg, rgba(0, 82, 217, 0.12), rgba(0, 168, 112, 0.12));
    border-color: rgba(0, 82, 217, 0.25);
    transform: translateY(-2px);
}

/* Filter Buttons */
.filter-btn {
    transition: all 0.3s ease;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 8px;
    background: transparent;
}

.filter-btn.active {
    background: var(--primary-color) !important;
    color: #fff !important;
    border-color: var(--primary-color) !important;
}

.filter-btn:hover:not(.active) {
    background: rgba(0, 82, 217, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Case Item Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.case-stat-card {
    text-align: center;
    padding: 24px;
    background: rgba(0, 82, 217, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 82, 217, 0.1);
}

.case-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.case-stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.testimonial-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
}

.testimonial-quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 24px;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    font-weight: 600;
}

/* ===== Blog Styles ===== */

/* Blog Hero */
.blog-hero {
    background: var(--bg-surface);
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.blog-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.blog-hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    margin-bottom: 24px;
}

.blog-hero-icon i {
    font-size: 32px;
    color: var(--primary-color);
}

.blog-hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    line-height: 1.2;
}

.blog-hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Blog Filter */
.blog-filter-wrap {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.blog-filter-btn {
    padding: 10px 24px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.blog-filter-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.blog-filter-btn:hover:not(.active) {
    background: rgba(0, 82, 217, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Blog List */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Blog Item - Horizontal Card */
.blog-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: all 0.3s ease;
}

.blog-item-cover {
    display: block;
    margin: -24px -24px 16px;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface);
}

.blog-item-cover img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.blog-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 82, 217, 0.08);
}

.blog-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.blog-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 82, 217, 0.08);
    border: 1px solid rgba(0, 82, 217, 0.15);
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
}

.blog-meta {
    display: flex;
    gap: 20px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-meta i {
    font-size: 0.875rem;
}

.blog-item-title {
    margin-bottom: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
}

.blog-item-title a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-item-title a:hover {
    color: var(--primary-color);
}

.blog-item-excerpt {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.blog-read-more {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.blog-read-more:hover {
    gap: 12px;
}

.blog-read-more i {
    font-size: 0.875rem;
    transition: transform 0.3s ease;
}

.blog-read-more:hover i {
    transform: translateX(4px);
}

/* Pagination */
.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pagination-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background: rgba(0, 82, 217, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .blog-item {
        padding: 20px;
    }

    .blog-item-cover {
        margin: -20px -20px 14px;
    }

    .blog-item-cover img {
        height: 180px;
    }

    .blog-item-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .blog-meta {
        gap: 16px;
    }
}

/* --- Contact Styles --- */

/* Contact Hero */
.contact-hero {
    background: var(--bg-surface);
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.contact-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    margin-bottom: 24px;
}

.contact-hero-icon i {
    font-size: 32px;
    color: var(--primary-color);
}

.contact-hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.contact-info-card {
    padding: 32px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    height: 100%;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 82, 217, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 20px;
}

/* --- Mobile Responsiveness & Polish --- */
@media (max-width: 768px) {

    /* Global overflow prevention */
    * {
        max-width: 100%;
    }

    img,
    video,
    iframe {
        max-width: 100%;
        height: auto;
    }

    /* Header Small Screen (< 768px) - Mobile */
    header {
        width: 100% !important;
        max-width: 100vw !important;
        padding: 12px 0 !important;
        /* overflow: hidden !important;*/
        height: auto;
        left: 0 !important;
        right: 0 !important;
        margin: 0 !important;
    }

    header .container {
        padding: 0 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        flex-wrap: nowrap !important;
        gap: 8px !important;
        margin: 0 !important;
        box-sizing: border-box !important;
    }

    header .container>* {
        flex-shrink: 1;
        min-width: 0;
    }

    header .logo {
        flex-shrink: 1;
        min-width: 0;
        gap: 6px !important;
        max-width: calc(100% - 100px);
        overflow: hidden;
    }

    header .logo span {
        font-size: 0.9rem !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    header .logo-mark {
        width: 28px !important;
        height: 28px !important;
        flex-shrink: 0;
    }

    header nav {
        display: none !important;
    }

    header .d-flex.align-items-center.gap-3 {
        gap: 6px !important;
        flex-shrink: 0;
        min-width: 0;
        max-width: 100px;
    }

    header .btn {
        flex-shrink: 0;
        min-width: 36px;
        max-width: 36px;
        width: 36px;
        height: 36px;
        padding: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    header .btn-primary.d-none {
        display: none !important;
    }

    header #menu-toggle {
        display: flex !important;
        width: 36px !important;
        height: 36px !important;
        min-width: 36px !important;
        max-width: 36px !important;
    }

    header #theme-toggle {
        width: 36px !important;
        height: 36px !important;
        min-width: 36px !important;
        max-width: 36px !important;
        padding: 0 !important;
    }

    /* Ensure no horizontal scroll */
    html,
    body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100vw !important;
        position: relative;
    }

    /* Prevent any element from causing overflow */
    * {
        max-width: 100vw;
        box-sizing: border-box;
    }

    section,
    .section,
    .container,
    .row {
        max-width: 100vw !important;
        overflow-x: hidden !important;
    }

    /* Lower header z-index when menu is open and set height to 100% */
    body:has(#nav-menu.active) header,
    body.menu-open header {
        z-index: 999 !important;
        height: 100vh !important;
        min-height: 100vh !important;
        max-height: 100vh !important;
    }

    /* Mobile Menu Fixes - Small Screen */
    #nav-menu {
        padding: 32px 24px !important;
        width: auto !important;
        max-width: 320px !important;
        min-width: 280px !important;
        height: auto !important;
        min-height: auto !important;
        max-height: calc(100vh - 40px) !important;
        z-index: 999999 !important;
        position: fixed !important;
        top: 20px !important;
        right: 20px !important;
        left: auto !important;
        bottom: auto !important;
        transform: translateX(calc(100% + 20px)) !important;
        will-change: transform !important;
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
            opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
            visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
        visibility: hidden !important;
        opacity: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        background: var(--bg-surface) !important;
        box-sizing: border-box !important;
        border-radius: 16px !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12) !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        pointer-events: none !important;
        margin: 0 !important;
        isolation: isolate !important;
    }

    #nav-menu.active {
        transform: translateX(0) !important;
        visibility: visible !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15) !important;
        z-index: 999999 !important;
    }

    /* Prevent menu content from causing overflow */
    #nav-menu * {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    #nav-menu .d-flex {
        max-width: 100% !important;
        width: 100% !important;
    }

    #nav-menu a,
    #nav-menu button {
        max-width: 100% !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }

    /* Mobile Menu Header Styling */
    /* Menu Header - Fixed Width Layout */
    #nav-menu .menu-header {
        flex-wrap: nowrap !important;
        gap: 16px !important;
        padding-bottom: 20px !important;
        border-bottom: 1px solid var(--border-color) !important;
        margin-bottom: 24px !important;
        align-items: center !important;
        width: 100% !important;
    }

    /* Menu Logo Container - Fixed Width */
    #nav-menu .menu-logo {
        gap: 12px !important;
        flex: 0 0 auto !important;
        min-width: 200px !important;
        max-width: 200px !important;
        align-items: center !important;
    }

    /* Menu Logo Icon - Fixed Size */
    #nav-menu .menu-logo-icon {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
        max-width: 40px !important;
        flex-shrink: 0 !important;
        border-radius: var(--radius-sm) !important;
        padding: 8px !important;
    }

    #nav-menu .menu-logo-icon i {
        font-size: 1.1rem !important;
    }

    /* Menu Logo Text - Fixed Width */
    #nav-menu .menu-logo-text {
        font-size: 1.15rem !important;
        font-weight: 700 !important;
        color: var(--text-main) !important;
        line-height: 1.4 !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        flex: 1 !important;
        min-width: 0 !important;
    }

    /* Menu Close Button - Fixed Width */
    #nav-menu .menu-close-btn,
    #nav-menu #menu-close {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
        max-width: 40px !important;
        flex: 0 0 40px !important;
        flex-shrink: 0 !important;
        border: 1px solid var(--border-color) !important;
        background: transparent !important;
        transition: all 0.2s ease !important;
    }

    #nav-menu #menu-close:hover,
    #nav-menu #menu-close:active {
        background: var(--bg-body) !important;
        border-color: var(--primary-color) !important;
        transform: scale(0.95);
    }

    #nav-menu #menu-close i {
        font-size: 1rem;
        color: var(--text-main);
    }

    /* Menu Navigation - Simple Text Style */
    #nav-menu .menu-nav {
        width: auto !important;
        max-width: none !important;
        gap: 0 !important;
        flex: 0 0 auto !important;
        padding: 0 !important;
        align-items: flex-start !important;
    }

    /* Menu Navigation Items - Simple Text Design */
    #nav-menu .menu-nav-item {
        display: block !important;
        padding: 14px 0 !important;
        font-size: 1.1rem !important;
        font-weight: 500 !important;
        color: var(--text-main) !important;
        text-decoration: none !important;
        text-align: left !important;
        background: transparent !important;
        border: none !important;
        transition: all 0.2s ease !important;
        position: relative !important;
        line-height: 1.6 !important;
        margin: 0 !important;
        width: auto !important;
    }

    /* Active Menu Item */
    #nav-menu .menu-nav-item-active {
        color: var(--primary-color) !important;
        font-weight: 600 !important;
    }

    /* Hover State */
    #nav-menu .menu-nav-item:hover,
    #nav-menu .menu-nav-item:active {
        color: var(--primary-color) !important;
    }

    /* Mobile Menu CTA Button */
    #nav-menu .mt-auto {
        margin-top: 24px !important;
        padding-top: 20px !important;
        padding-bottom: 0 !important;
        border-top: 1px solid var(--border-color) !important;
    }

    #nav-menu .mt-auto .btn {
        width: 100% !important;
        padding: 12px 20px !important;
        font-size: 1rem !important;
        font-weight: 600 !important;
        border-radius: var(--radius-md) !important;
        background: var(--primary-color) !important;
        color: white !important;
        border: none !important;
        transition: all 0.2s ease !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    #nav-menu .mt-auto .btn:hover,
    #nav-menu .mt-auto .btn:active {
        background: var(--primary-hover) !important;
    }

    /* Ensure all menu content is visible when active */
    #nav-menu.active>* {
        opacity: 1 !important;
        visibility: visible !important;
    }

    #nav-menu.active .d-flex {
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    #nav-menu.active .btn,
    #nav-menu.active button {
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    #nav-menu.active a {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    #nav-menu.active .d-flex.flex-column {
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
        flex-direction: column !important;
    }

    #nav-menu.active .mt-auto {
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    /* Homepage Hero Section Mobile */
    .hero-section {
        padding: 120px 0 60px;
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .hero-section .row {
        flex-direction: column;
    }

    .hero-section .col-lg-6 {
        width: 100% !important;
        max-width: 100% !important;
        margin-bottom: 40px;
        flex: 0 0 100% !important;
    }

    .hero-section .col-lg-6:last-child {
        margin-bottom: 0;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .hero-section .d-flex.gap-3 {
        flex-direction: column;
        gap: 12px !important;
    }

    .hero-section .d-flex.gap-3 .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-section .mt-5.d-flex.gap-4 {
        flex-wrap: wrap;
        gap: 24px !important;
        margin-top: 32px !important;
    }

    .hero-section .mt-5.d-flex.gap-4>div {
        flex: 0 0 calc(50% - 12px);
        min-width: calc(50% - 12px);
        max-width: calc(50% - 12px);
        text-align: center;
        box-sizing: border-box;
    }

    .hero-visual {
        height: 300px;
        margin-top: 20px;
    }

    .hero-card {
        width: 90%;
    }

    .hero-card-sm {
        display: none;
    }

    /* Homepage Products Section Mobile */
    .section .row.g-4 {
        flex-direction: column;
        margin-left: 0;
        margin-right: 0;
        gap: 24px !important;
    }

    .section .row.g-4>* {
        padding-left: 0;
        padding-right: 0;
        margin-bottom: 0;
    }

    .section .col-md-3,
    .section .col-md-4,
    .section .col-md-6 {
        width: 100% !important;
        min-width: 100% !important;
        flex: 0 0 100% !important;
    }

    /* Homepage News Section Mobile */
    .section .d-flex.justify-content-between {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 20px;
    }

    .btn-circle-more {
        width: 100%;
        height: 60px;
        border-radius: 12px;
    }

    /* Homepage CTA Section Mobile */
    .cta-card {
        padding: 40px 24px !important;
    }

    .cta-card .row {
        flex-direction: column;
    }

    .cta-card .col-lg-8,
    .cta-card .col-lg-4 {
        width: 100% !important;
    }

    .cta-card .d-flex.gap-3 {
        flex-direction: column;
        width: 100%;
    }

    .cta-card .btn {
        width: 100%;
    }

    .display-5 {
        font-size: 1.75rem;
    }

    /* Blog Hero Mobile */
    .blog-hero {
        padding: 100px 0 50px;
    }

    .blog-hero-icon {
        width: 56px;
        height: 56px;
    }

    .blog-hero-icon i {
        font-size: 28px;
    }

    .blog-hero-title {
        font-size: 2rem;
    }

    .blog-hero-subtitle {
        font-size: 1rem;
    }

    /* Contact Hero Mobile */
    .contact-hero {
        padding: 100px 0 50px;
    }

    .contact-hero-icon {
        width: 56px;
        height: 56px;
    }

    .contact-hero-icon i {
        font-size: 28px;
    }

    .contact-hero-title {
        font-size: 2rem;
    }

    .contact-hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .product-nav {
        top: 60px;
        /* Adjust for smaller header */
        margin-bottom: 40px;
    }

    .product-nav .nav-link {
        padding: 6px 12px;
        font-size: 0.9rem;
        white-space: nowrap;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 50px !important;
        padding-right: 0 !important;
        text-align: left !important;
        left: 0 !important;
    }

    .timeline-dot {
        left: 10px !important;
        right: auto !important;
    }

    .map-container {
        height: 300px;
    }

    .join-card {
        padding: 40px 24px;
    }

    /* Mobile Footer Fixes */
    footer {
        padding: 60px 0 30px;
        text-align: left;
    }

    .footer-heading {
        margin-top: 16px;
        margin-bottom: 16px;
    }

    /* 移动端隐藏解决方案和关于我们 */
    footer .footer-links-col {
        display: none !important;
    }

    /* 移动端确保品牌和联系方式显示 */
    footer .col-lg-4,
    footer .col-md-12 {
        width: 100% !important;
        flex: 0 0 100% !important;
        max-width: 100% !important;
        display: block !important;
    }

    /* 移动端联系方式列确保显示 */
    footer .row > .col-lg-4:last-child,
    footer .row > .col-md-12:last-child {
        display: block !important;
        width: 100% !important;
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .footer-bottom-info {
        width: 100%;
        text-align: center;
    }

    .footer-copyright {
        margin-bottom: 8px;
    }

    .footer-licenses {
        justify-content: center;
        flex-wrap: wrap;
        gap: 6px;
    }

    .footer-license-separator {
        display: none;
    }

    .footer-license-item {
        display: inline-block;
    }

    .footer-bottom-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }

    /* About Us - Our Mission Section Mobile */
    .section .row.align-items-center {
        flex-direction: column;
    }

    .section .col-lg-6 {
        width: 100% !important;
        padding-left: 0 !important;
        margin-bottom: 32px;
    }

    .section .col-lg-6:last-child {
        margin-bottom: 0;
    }

    .section .glass-card.p-0 {
        margin-bottom: 32px;
    }

    .section .glass-card.p-0>div {
        height: 250px !important;
    }

    .section .d-flex.gap-4 {
        flex-direction: column;
        gap: 24px !important;
        margin-top: 32px !important;
    }

    .section .d-flex.gap-4>div {
        width: 100%;
    }

    /* Cases - Featured Case Mobile */
    .featured-case-card .row {
        flex-direction: column;
    }

    .featured-case-card .col-lg-6 {
        width: 100% !important;
    }

    .featured-case-image {
        min-height: 250px !important;
        height: 250px;
    }

    .featured-case-content {
        padding: 32px 24px !important;
    }

    .featured-case-title {
        font-size: 1.5rem;
    }

    .featured-stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px;
    }

    .featured-stat-item {
        padding: 16px !important;
    }

    .featured-stat-value {
        font-size: 1.5rem;
    }

    .featured-case-btn {
        width: 100%;
        justify-content: center;
    }

    /* Contact Form Mobile */
    .contact-info-card {
        margin-bottom: 24px;
    }

    .section .row.g-5 {
        flex-direction: column;
    }

    .section .col-lg-4,
    .section .col-lg-8 {
        width: 100% !important;
    }

    .section .glass-card.p-5 {
        padding: 24px !important;
        overflow: visible !important;
    }

    form {
        overflow: visible !important;
    }

    form .row {
        overflow: visible !important;
    }

    form .col-md-6,
    form .col-12 {
        overflow: visible !important;
    }

    select.form-control {
        z-index: 10000 !important;
    }

    select.form-control:focus {
        z-index: 10001 !important;
    }

    .section .row.g-4 {
        flex-direction: column;
    }

    .section .col-md-3,
    .section .col-md-6,
    .section .col-lg-3 {
        width: 100% !important;
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }

    .section .col-12 {
        width: 100% !important;
    }

    .form-control {
        font-size: 16px;
        /* Prevent zoom on iOS */
        padding: 14px 16px;
        z-index: 100;
    }

    select.form-control:focus {
        z-index: 10000 !important;
    }

    textarea.form-control {
        min-height: 120px;
    }

    .form-label {
        font-size: 0.95rem;
        margin-bottom: 10px;
    }

    /* Cases List Header Mobile */
    .cases-list-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 20px !important;
    }

    .case-filter-buttons {
        width: 100%;
        flex-wrap: wrap;
    }

    .case-filter-buttons .btn {
        flex: 1;
        min-width: calc(50% - 6px);
    }

    /* Additional Mobile Optimizations */
    .logo-wall {
        gap: 24px;
    }

    .logo-wall>div {
        font-size: 0.9rem;
    }

    .news-card {
        margin-bottom: 0;
    }

    .testimonial-card {
        padding: 24px !important;
    }

    .testimonial-author {
        flex-direction: row !important;
        align-items: center;
        gap: 12px;
    }

    .testimonial-avatar {
        width: 48px !important;
        height: 48px !important;
    }

    /* About Us Stats Grid Mobile */
    .about-stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px;
    }

    .about-stat-card {
        padding: 20px !important;
    }

    .about-stat-number {
        font-size: 2rem !important;
    }

    /* Cases Stats Grid Mobile */
    .cases-stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px;
    }

    .cases-stat-item {
        padding: 20px !important;
    }

    .cases-stat-number {
        font-size: 1.5rem !important;
    }
}

/* --- Internal Page Polish --- */

/* About Page - Values Card */
.value-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.value-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

/* Blog Page - Pagination */
.pagination .btn {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-container {
    height: 400px;
    background: #eee;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e9ecef;
    color: var(--text-muted);
    font-size: 1.5rem;
}

/* Form Styles (Enhanced) */
.form-label {
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    transition: all 0.3s ease;
    position: relative;
    z-index: 100;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.1);
    z-index: 10000;
}

/* Select dropdown z-index fix */
select.form-control {
    z-index: 100;
    position: relative;
    /* Ensure select dropdown appears above other elements */
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
    padding-right: 40px;
}

select.form-control:focus {
    z-index: 10000;
    position: relative;
}

/* Ensure select dropdown options appear above all content */
select.form-control option {
    background: var(--bg-surface);
    color: var(--text-main);
    padding: 12px;
}

/* Fix for form container to allow dropdown overflow */
form {
    position: relative;
    z-index: 1;
    overflow: visible;
}

form .row {
    position: relative;
    z-index: 1;
    overflow: visible;
}

form .col-md-6,
form .col-12 {
    position: relative;
    z-index: 1;
    overflow: visible;
}

textarea.form-control {
    resize: vertical;
    font-weight: 500;
}

/* Cases List Header */
.cases-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
    gap: 24px;
}

.cases-list-title-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
}

.case-filter-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* --- Cases Page Styles --- */
.job-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.job-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.job-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.job-meta {
    display: flex;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.job-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.job-tag {
    background: rgba(0, 82, 217, 0.1);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Job Filter Styles */
.job-item {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.job-filter-btn {
    transition: all 0.3s ease;
}

.job-filter-btn.active {
    background: var(--primary-color) !important;
    color: #fff !important;
    border-color: var(--primary-color) !important;
}

.job-filter-btn:hover:not(.active) {
    background: rgba(0, 82, 217, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.culture-card {
    text-align: center;
    padding: 32px;
}

.culture-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

/* --- FAQ Styles --- */
.faq-search-container {
    max-width: 600px;
    margin: 0 auto 60px;
    position: relative;
}

.faq-search-input {
    width: 100%;
    padding: 16px 24px 16px 56px;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    background: var(--bg-surface);
    color: var(--text-main);
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.faq-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.faq-search-icon {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
}

.accordion-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
}

.accordion-header {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background-color 0.2s ease;
}

.accordion-header:hover {
    background-color: rgba(0, 82, 217, 0.05);
}

.accordion-icon {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.accordion-body {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-muted);
}

.accordion-item.active .accordion-body {
    padding: 0 24px 24px;
    max-height: 500px;
    /* Approximate max height */
}

/* --- Partners Styles --- */
.partner-hero {
    background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(0, 82, 217, 0.1) 100%);
    padding: 100px 0;
    text-align: center;
}

.partner-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px 24px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.partner-logo {
    height: 60px;
    width: auto;
    margin-bottom: 24px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-card:hover .partner-logo {
    filter: grayscale(0%);
    opacity: 1;
}

.partner-name {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.partner-type {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.join-card {
    background: var(--primary-color);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.join-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}