:root {
--qt-primary: #0D9488;
--qt-secondary: #14B8A6;
--qt-accent: #D97706;
--qt-text: #1F2937;
--qt-text-secondary: #6B7280;
--qt-bg: #FFFFFF;
--qt-bg-dark: #0F172A;
--qt-border: #E5E7EB;
--qt-shadow: rgba(0, 0, 0, 0.08);
--qt-gradient-start: #0D9488;
--qt-gradient-end: #14B8A6;
}

* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

html {
scroll-behavior: smooth;
font-size: 16px;
}

body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
color: var(--qt-text);
background-color: var(--qt-bg);
line-height: 1.6;
-webkit-font-smoothing: antialiased;
overflow-x: hidden;
}

.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 1rem;
}

.container-fluid {
width: 100%;
padding: 0 2rem;
}

.qt-main {
min-height: 100vh;
padding-top: 112px;
}

.breathe-lg {
padding-top: 15vh;
padding-bottom: 15vh;
}

.breathe-md {
padding-top: 10vh;
padding-bottom: 10vh;
}

.breathe-sm {
padding-top: 5vh;
padding-bottom: 5vh;
}

.qt-animate-in {
opacity: 0;
transform: translateY(30px);
transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.qt-animate-in.qt-animated {
opacity: 1;
transform: translateY(0);
}

.qt-header {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1000;
transition: box-shadow 0.3s ease;
}

.qt-header-scrolled {
box-shadow: 0 2px 20px var(--qt-shadow);
}

.qt-header-top {
height: 64px;
background: var(--qt-bg);
border-bottom: 1px solid var(--qt-border);
display: flex;
align-items: center;
transition: all 0.3s ease;
}

.qt-header-top-inner {
display: flex;
align-items: center;
justify-content: space-between;
height: 100%;
}

.qt-brand {
display: flex;
align-items: center;
text-decoration: none;
gap: 0.75rem;
flex-shrink: 0;
}

.qt-brand-logo {
height: 40px;
width: auto;
}

.qt-brand-text {
font-size: 1.25rem;
font-weight: 700;
color: var(--qt-primary);
white-space: nowrap;
}

.qt-search-wrap {
flex: 1;
display: flex;
justify-content: center;
padding: 0 2rem;
}

.qt-search-box {
display: flex;
align-items: center;
background: #F3F4F6;
border-radius: 24px;
padding: 0.5rem 1rem;
width: 200px;
transition: width 0.4s ease, background 0.3s ease;
border: 2px solid transparent;
}

.qt-search-box.qt-search-expanded {
width: 320px;
background: var(--qt-bg);
border-color: var(--qt-primary);
}

.qt-search-icon {
color: var(--qt-text-secondary);
margin-right: 0.5rem;
font-size: 0.875rem;
}

.qt-search-input {
border: none;
outline: none;
background: transparent;
font-size: 0.875rem;
width: 100%;
color: var(--qt-text);
}

.qt-header-actions {
display: flex;
align-items: center;
gap: 1rem;
flex-shrink: 0;
}

.qt-phone-link {
display: flex;
align-items: center;
gap: 0.5rem;
color: var(--qt-primary);
text-decoration: none;
font-weight: 600;
font-size: 0.9rem;
}

.qt-phone-link i {
font-size: 1rem;
}

.qt-cta-btn {
display: inline-block;
padding: 0.5rem 1.25rem;
background: linear-gradient(135deg, var(--qt-gradient-start), var(--qt-gradient-end));
color: #fff;
border-radius: 24px;
text-decoration: none;
font-size: 0.875rem;
font-weight: 600;
transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.qt-cta-btn:hover {
transform: translateY(-2px);
box-shadow: 0 4px 15px rgba(13, 148, 136, 0.4);
color: #fff;
}

.qt-header-bottom {
height: 48px;
background: #F9FAFB;
border-bottom: 1px solid var(--qt-border);
transition: transform 0.3s ease;
}

.qt-header-bottom.qt-nav-hidden {
transform: translateY(-100%);
}

.qt-nav-inner {
display: flex;
align-items: center;
justify-content: center;
height: 100%;
}

.qt-nav-list {
display: flex;
list-style: none;
gap: 2rem;
margin: 0;
padding: 0;
}

.qt-nav-item {
position: relative;
}

.qt-nav-link {
display: block;
padding: 0.75rem 0;
font-size: 0.875rem;
color: var(--qt-text);
text-decoration: none;
font-weight: 500;
transition: color 0.3s ease;
position: relative;
}

.qt-nav-link::after {
content: '';
position: absolute;
bottom: 0;
left: 50%;
transform: translateX(-50%);
width: 0;
height: 2px;
background: var(--qt-primary);
transition: width 0.3s ease;
}

.qt-nav-item.active .qt-nav-link,
.qt-nav-link:hover {
color: var(--qt-primary);
}

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

.qt-mobile-toggle {
display: none;
flex-direction: column;
gap: 5px;
background: none;
border: none;
cursor: pointer;
padding: 8px;
}

.qt-mobile-toggle span {
display: block;
width: 24px;
height: 2px;
background: var(--qt-text);
transition: all 0.3s ease;
border-radius: 2px;
}

.qt-mobile-menu {
display: none;
}

.qt-mobile-menu.qt-menu-open {
display: block;
}

.qt-mobile-menu-overlay {
position: fixed;
inset: 0;
background: rgba(0, 0, 0, 0.5);
z-index: 1001;
}

.qt-mobile-menu-panel {
position: fixed;
top: 0;
right: 0;
width: 300px;
height: 100%;
background: var(--qt-bg);
z-index: 1002;
padding: 1.5rem;
overflow-y: auto;
}

.qt-mobile-menu-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 2rem;
font-weight: 700;
font-size: 1.1rem;
color: var(--qt-primary);
}

.qt-mobile-menu-header button {
background: none;
border: none;
font-size: 1.5rem;
cursor: pointer;
color: var(--qt-text);
}

.qt-mobile-nav-list {
list-style: none;
padding: 0;
}

.qt-mobile-nav-list li {
border-bottom: 1px solid var(--qt-border);
}

.qt-mobile-nav-list li a {
display: block;
padding: 1rem 0;
color: var(--qt-text);
text-decoration: none;
font-weight: 500;
}

.qt-mobile-nav-list li.active a {
color: var(--qt-primary);
}

.qt-mobile-menu-footer {
margin-top: 2rem;
padding-top: 1rem;
border-top: 1px solid var(--qt-border);
}

.qt-mobile-phone {
display: flex;
align-items: center;
gap: 0.5rem;
color: var(--qt-primary);
text-decoration: none;
font-weight: 600;
}

.qt-hero {
position: relative;
background: linear-gradient(135deg, #F0FDFA 0%, #ECFDF5 50%, #F0F9FF 100%);
min-height: 80vh;
display: flex;
align-items: center;
overflow: hidden;
}

.qt-hero-bg {
position: absolute;
inset: 0;
overflow: hidden;
}

.qt-hero-crystal {
position: absolute;
clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
opacity: 0.15;
}

.qt-hero-crystal-1 {
width: 300px;
height: 300px;
background: linear-gradient(135deg, var(--qt-primary), var(--qt-secondary));
top: 10%;
right: 10%;
animation: qt-float 6s ease-in-out infinite;
}

.qt-hero-crystal-2 {
width: 200px;
height: 200px;
background: linear-gradient(135deg, var(--qt-accent), #F59E0B);
bottom: 20%;
left: 5%;
animation: qt-float 8s ease-in-out infinite reverse;
}

.qt-hero-crystal-3 {
width: 150px;
height: 150px;
background: linear-gradient(135deg, var(--qt-secondary), #6EE7B7);
top: 60%;
right: 30%;
animation: qt-float 7s ease-in-out infinite;
}

@keyframes qt-float {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(-20px); }
}

.qt-hero-content {
position: relative;
z-index: 2;
max-width: 700px;
}

.qt-hero-title {
font-size: 3.5rem;
font-weight: 800;
color: var(--qt-text);
line-height: 1.2;
margin-bottom: 1rem;
}

.qt-hero-subtitle {
font-size: 1.25rem;
color: var(--qt-text-secondary);
margin-bottom: 1rem;
font-weight: 500;
}

.qt-hero-desc {
font-size: 1rem;
color: var(--qt-text-secondary);
margin-bottom: 2rem;
line-height: 1.8;
}

.qt-hero-actions {
display: flex;
gap: 1rem;
flex-wrap: wrap;
}

.qt-btn {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.75rem 1.75rem;
border-radius: 30px;
font-size: 1rem;
font-weight: 600;
text-decoration: none;
transition: all 0.3s ease;
border: 2px solid transparent;
cursor: pointer;
}

.qt-btn-primary {
background: linear-gradient(135deg, var(--qt-gradient-start), var(--qt-gradient-end));
color: #fff;
border-color: var(--qt-primary);
}

.qt-btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(13, 148, 136, 0.35);
color: #fff;
}

.qt-btn-outline {
background: transparent;
color: var(--qt-primary);
border-color: var(--qt-primary);
}

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

.qt-btn-accent {
background: linear-gradient(135deg, var(--qt-accent), #F59E0B);
color: #fff;
border-color: var(--qt-accent);
}

.qt-btn-accent:hover {
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(217, 119, 6, 0.35);
color: #fff;
}

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

.qt-btn-white:hover {
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(255, 255, 255, 0.35);
color: var(--qt-primary);
}

.qt-btn-lg {
padding: 1rem 2.5rem;
font-size: 1.1rem;
}

.qt-btn-block {
width: 100%;
justify-content: center;
}

.qt-trust-bar {
background: var(--qt-bg);
border-bottom: 1px solid var(--qt-border);
}

.qt-trust-grid {
display: flex;
justify-content: space-around;
flex-wrap: wrap;
gap: 1rem;
}

.qt-trust-item {
display: flex;
align-items: center;
gap: 0.75rem;
padding: 1rem;
font-weight: 600;
color: var(--qt-text);
font-size: 0.95rem;
}

.qt-trust-item i {
font-size: 1.5rem;
color: var(--qt-primary);
}

.qt-section-header {
text-align: center;
margin-bottom: 3rem;
}

.qt-section-title {
font-size: 2.25rem;
font-weight: 800;
color: var(--qt-text);
margin-bottom: 0.75rem;
position: relative;
display: inline-block;
}

.qt-section-title::after {
content: '';
display: block;
width: 60px;
height: 3px;
background: linear-gradient(90deg, var(--qt-primary), var(--qt-secondary));
margin: 0.75rem auto 0;
border-radius: 2px;
}

.qt-section-subtitle {
font-size: 1.05rem;
color: var(--qt-text-secondary);
max-width: 600px;
margin: 0 auto;
}

.qt-three-col-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 2rem;
}

.qt-service-card,
.qt-value-card {
position: relative;
background: var(--qt-bg);
border: 1px solid var(--qt-border);
border-radius: 20px;
padding: 2rem;
text-align: center;
transition: all 0.3s ease;
overflow: hidden;
}

.qt-service-card:hover,
.qt-value-card:hover {
transform: translateY(-4px);
box-shadow: 0 12px 40px var(--qt-shadow);
}

.qt-card-featured {
border-color: var(--qt-primary);
box-shadow: 0 4px 20px rgba(13, 148, 136, 0.1);
}

.qt-card-badge {
position: absolute;
top: 1rem;
right: 1rem;
background: var(--qt-accent);
color: #fff;
font-size: 0.75rem;
font-weight: 600;
padding: 0.25rem 0.75rem;
border-radius: 12px;
}

.qt-crystal-card {
clip-path: polygon(0% 5%, 5% 0%, 95% 0%, 100% 5%, 100% 95%, 95% 100%, 5% 100%, 0% 95%);
background: linear-gradient(145deg, #FFFFFF, #F8FFFE);
}

.qt-crystal-shine {
position: absolute;
inset: 0;
background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.5) 50%, transparent 60%);
pointer-events: none;
transition: background 0.3s ease;
}

.qt-card-icon {
width: 64px;
height: 64px;
border-radius: 16px;
background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(20, 184, 166, 0.1));
display: flex;
align-items: center;
justify-content: center;
margin: 0 auto 1.25rem;
}

.qt-card-icon i {
font-size: 1.75rem;
color: var(--qt-primary);
}

.qt-service-card h3,
.qt-value-card h3 {
font-size: 1.25rem;
font-weight: 700;
color: var(--qt-text);
margin-bottom: 0.75rem;
}

.qt-service-card p,
.qt-value-card p {
font-size: 0.9rem;
color: var(--qt-text-secondary);
line-height: 1.7;
margin-bottom: 1.25rem;
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
}

.qt-card-link {
display: inline-flex;
align-items: center;
gap: 0.5rem;
color: var(--qt-primary);
text-decoration: none;
font-weight: 600;
font-size: 0.9rem;
transition: gap 0.3s ease;
}

.qt-card-link:hover {
gap: 0.75rem;
color: var(--qt-primary);
}

.qt-metrics {
background: linear-gradient(135deg, #F0FDFA, #ECFDF5);
}

.qt-metrics-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 2rem;
}

.qt-metric-card {
position: relative;
background: rgba(255, 255, 255, 0.8);
backdrop-filter: blur(10px);
border-radius: 24px;
padding: 2.5rem 1.5rem;
text-align: center;
border: 1px solid rgba(13, 148, 136, 0.1);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
transition: all 0.3s ease;
animation: qt-metric-float 3s ease-in-out infinite;
}

.qt-metric-card:nth-child(2) { animation-delay: 0.5s; }
.qt-metric-card:nth-child(3) { animation-delay: 1s; }
.qt-metric-card:nth-child(4) { animation-delay: 1.5s; }

@keyframes qt-metric-float {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(-8px); }
}

.qt-float-glow {
position: absolute;
top: -50%;
left: -50%;
width: 200%;
height: 200%;
background: radial-gradient(circle, rgba(13, 148, 136, 0.05) 0%, transparent 70%);
pointer-events: none;
}

.qt-metric-number {
font-size: 3rem;
font-weight: 800;
color: var(--qt-primary);
display: inline;
}

.qt-metric-unit {
font-size: 1.5rem;
font-weight: 700;
color: var(--qt-secondary);
display: inline;
margin-left: 0.25rem;
}

.qt-metric-label {
font-size: 1rem;
font-weight: 600;
color: var(--qt-text);
margin-top: 0.5rem;
}

.qt-metric-desc {
font-size: 0.85rem;
color: var(--qt-text-secondary);
margin-top: 0.25rem;
}

.qt-process {
background: var(--qt-bg);
}

.qt-process-steps {
display: flex;
align-items: flex-start;
justify-content: center;
gap: 0;
flex-wrap: wrap;
}

.qt-process-step {
flex: 1;
min-width: 200px;
max-width: 250px;
text-align: center;
padding: 1.5rem;
position: relative;
}

.qt-step-number {
font-size: 3rem;
font-weight: 800;
color: rgba(13, 148, 136, 0.1);
line-height: 1;
margin-bottom: 0.5rem;
}

.qt-step-icon {
width: 56px;
height: 56px;
border-radius: 50%;
background: linear-gradient(135deg, var(--qt-primary), var(--qt-secondary));
display: flex;
align-items: center;
justify-content: center;
margin: 0 auto 1rem;
}

.qt-step-icon i {
font-size: 1.5rem;
color: #fff;
}

.qt-process-step h4 {
font-size: 1.1rem;
font-weight: 700;
margin-bottom: 0.5rem;
color: var(--qt-text);
}

.qt-process-step p {
font-size: 0.85rem;
color: var(--qt-text-secondary);
line-height: 1.6;
}

.qt-process-connector {
display: flex;
align-items: center;
padding-top: 5rem;
color: var(--qt-primary);
font-size: 1.5rem;
opacity: 0.5;
}

.qt-team {
background: #F9FAFB;
}

.qt-team-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
gap: 2rem;
}

.qt-team-card {
background: var(--qt-bg);
border-radius: 20px;
padding: 2rem;
text-align: center;
border: 1px solid var(--qt-border);
transition: all 0.3s ease;
}

.qt-team-card:hover {
transform: translateY(-4px);
box-shadow: 0 12px 40px var(--qt-shadow);
}

.qt-team-avatar {
position: relative;
width: 120px;
height: 120px;
margin: 0 auto 1.25rem;
border-radius: 50%;
overflow: hidden;
}

.qt-team-avatar img {
width: 100%;
height: 100%;
object-fit: cover;
transition: transform 0.3s ease;
}

.qt-team-card:hover .qt-team-avatar img {
transform: scale(1.05);
}

.qt-team-overlay {
position: absolute;
inset: 0;
background: rgba(13, 148, 136, 0.8);
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: opacity 0.3s ease;
border-radius: 50%;
}

.qt-team-card:hover .qt-team-overlay {
opacity: 1;
}

.qt-team-overlay a {
color: #fff;
font-size: 1.5rem;
}

.qt-team-card h4 {
font-size: 1.15rem;
font-weight: 700;
color: var(--qt-text);
margin-bottom: 0.25rem;
}

.qt-team-role {
display: block;
font-size: 0.85rem;
color: var(--qt-primary);
font-weight: 600;
margin-bottom: 0.75rem;
}

.qt-team-card p {
font-size: 0.85rem;
color: var(--qt-text-secondary);
line-height: 1.6;
}

.qt-network {
background: var(--qt-bg);
}

.qt-network-container {
position: relative;
background: linear-gradient(135deg, #F0FDFA, #F0F9FF);
border-radius: 24px;
padding: 2rem;
border: 1px solid var(--qt-border);
min-height: 400px;
}

.qt-network-canvas {
width: 100%;
height: 400px;
display: block;
}

.qt-network-legend {
display: flex;
gap: 2rem;
justify-content: center;
margin-top: 1.5rem;
flex-wrap: wrap;
}

.qt-legend-item {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 0.85rem;
color: var(--qt-text-secondary);
}

.qt-legend-dot {
width: 12px;
height: 12px;
border-radius: 50%;
}

.qt-legend-center { background: var(--qt-primary); }
.qt-legend-hub { background: var(--qt-secondary); }
.qt-legend-node { background: #5EEAD4; }

.qt-articles {
background: #F9FAFB;
}

.qt-article-card {
background: var(--qt-bg);
border-radius: 16px;
overflow: hidden;
border: 1px solid var(--qt-border);
transition: all 0.3s ease;
}

.qt-article-card:hover {
transform: translateY(-4px);
box-shadow: 0 12px 40px var(--qt-shadow);
}

.qt-article-img {
height: 180px;
overflow: hidden;
}

.qt-article-img img {
width: 100%;
height: 100%;
object-fit: cover;
transition: transform 0.3s ease;
}

.qt-article-card:hover .qt-article-img img {
transform: scale(1.05);
}

.qt-article-body {
padding: 1.5rem;
}

.qt-article-body time {
font-size: 0.8rem;
color: var(--qt-text-secondary);
display: flex;
align-items: center;
gap: 0.25rem;
margin-bottom: 0.5rem;
}

.qt-article-body h3 {
font-size: 1.05rem;
font-weight: 700;
color: var(--qt-text);
margin-bottom: 0.5rem;
line-height: 1.4;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}

.qt-article-body p {
font-size: 0.85rem;
color: var(--qt-text-secondary);
line-height: 1.6;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
margin-bottom: 1rem;
}

.qt-article-link {
display: inline-flex;
align-items: center;
gap: 0.5rem;
color: var(--qt-primary);
text-decoration: none;
font-weight: 600;
font-size: 0.85rem;
}

.qt-partners {
background: var(--qt-bg);
}

.qt-partners-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
gap: 2rem;
}

.qt-partner-card {
background: var(--qt-bg);
border: 1px solid var(--qt-border);
border-radius: 12px;
padding: 1.5rem;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.3s ease;
}

.qt-partner-card:hover {
box-shadow: 0 4px 20px var(--qt-shadow);
}

.qt-partner-card img {
max-height: 48px;
width: auto;
object-fit: contain;
filter: grayscale(100%);
transition: filter 0.3s ease;
}

.qt-partner-card:hover img {
filter: grayscale(0);
}

.qt-cities {
background: #F9FAFB;
}

.qt-cities-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
gap: 0.75rem;
}

.qt-city-card {
display: flex;
align-items: center;
justify-content: center;
padding: 0.75rem 0.5rem;
background: var(--qt-bg);
border: 1px solid var(--qt-border);
border-radius: 10px;
text-decoration: none;
transition: all 0.3s ease;
}

.qt-city-card:hover {
border-color: var(--qt-primary);
background: rgba(13, 148, 136, 0.05);
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(13, 148, 136, 0.1);
}

.qt-city-card h5 {
font-size: 0.85rem;
font-weight: 600;
color: var(--qt-text);
margin: 0;
}

.qt-city-card:hover h5 {
color: var(--qt-primary);
}

.qt-cta-section {
position: relative;
background: linear-gradient(135deg, var(--qt-primary), var(--qt-secondary));
overflow: hidden;
}

.qt-cta-bg {
position: absolute;
inset: 0;
}

.qt-cta-crystal {
position: absolute;
clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
opacity: 0.1;
background: #fff;
}

.qt-cta-crystal-1 {
width: 250px;
height: 250px;
top: -50px;
right: 10%;
animation: qt-float 5s ease-in-out infinite;
}

.qt-cta-crystal-2 {
width: 180px;
height: 180px;
bottom: -30px;
left: 15%;
animation: qt-float 7s ease-in-out infinite reverse;
}

.qt-cta-content {
position: relative;
z-index: 2;
text-align: center;
color: #fff;
}

.qt-cta-content h2 {
font-size: 2.5rem;
font-weight: 800;
margin-bottom: 1rem;
}

.qt-cta-content p {
font-size: 1.15rem;
opacity: 0.9;
margin-bottom: 2rem;
}

.qt-cta-actions {
display: flex;
gap: 1rem;
justify-content: center;
flex-wrap: wrap;
}

.qt-page-banner {
background: linear-gradient(135deg, #F0FDFA, #ECFDF5);
text-align: center;
padding-top: 3rem;
padding-bottom: 3rem;
}

.qt-breadcrumb {
display: flex;
align-items: center;
justify-content: center;
gap: 0.5rem;
margin-bottom: 1rem;
font-size: 0.85rem;
}

.qt-breadcrumb a {
color: var(--qt-primary);
text-decoration: none;
}

.qt-breadcrumb span {
color: var(--qt-text-secondary);
}

.qt-page-banner h1 {
font-size: 2rem;
font-weight: 800;
color: var(--qt-text);
margin-bottom: 0.5rem;
}

.qt-page-banner p {
color: var(--qt-text-secondary);
}

.qt-news-list {
display: flex;
flex-direction: column;
gap: 1.5rem;
}

.qt-news-item {
display: flex;
gap: 1.5rem;
background: var(--qt-bg);
border: 1px solid var(--qt-border);
border-radius: 16px;
padding: 1.5rem;
transition: all 0.3s ease;
}

.qt-news-item:hover {
box-shadow: 0 8px 30px var(--qt-shadow);
transform: translateY(-2px);
}

.qt-news-img {
flex-shrink: 0;
border-radius: 12px;
overflow: hidden;
}

.qt-news-img img {
width: 280px;
height: 180px;
object-fit: cover;
}

.qt-news-info {
flex: 1;
display: flex;
flex-direction: column;
}

.qt-news-info h3 {
font-size: 1.15rem;
font-weight: 700;
margin-bottom: 0.5rem;
}

.qt-news-info h3 a {
color: var(--qt-text);
text-decoration: none;
transition: color 0.3s ease;
}

.qt-news-info h3 a:hover {
color: var(--qt-primary);
}

.qt-news-info p {
font-size: 0.9rem;
color: var(--qt-text-secondary);
line-height: 1.6;
margin-bottom: 0.75rem;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}

.qt-news-tags {
display: flex;
gap: 0.5rem;
flex-wrap: wrap;
margin-bottom: 0.75rem;
}

.qt-news-tags span {
font-size: 0.75rem;
padding: 0.2rem 0.6rem;
background: rgba(13, 148, 136, 0.08);
color: var(--qt-primary);
border-radius: 12px;
font-weight: 500;
}

.qt-news-meta {
font-size: 0.8rem;
color: var(--qt-text-secondary);
}

.qt-news-meta i {
margin-right: 0.25rem;
}

.qt-pagination {
margin-top: 2rem;
display: flex;
justify-content: center;
}

.qt-sidebar {
position: sticky;
top: 130px;
}

.qt-sidebar-widget {
background: var(--qt-bg);
border: 1px solid var(--qt-border);
border-radius: 16px;
padding: 1.5rem;
margin-bottom: 1.5rem;
}

.qt-sidebar-widget h4 {
font-size: 1.1rem;
font-weight: 700;
color: var(--qt-text);
margin-bottom: 1rem;
padding-bottom: 0.75rem;
border-bottom: 2px solid var(--qt-primary);
}

.qt-sidebar-recommend {
display: flex;
flex-direction: column;
gap: 1rem;
}

.qt-sidebar-item {
display: flex;
gap: 0.75rem;
text-decoration: none;
transition: transform 0.3s ease;
}

.qt-sidebar-item:hover {
transform: translateX(4px);
}

.qt-sidebar-item img {
width: 60px;
height: 60px;
border-radius: 8px;
object-fit: cover;
flex-shrink: 0;
}

.qt-sidebar-item span {
font-size: 0.85rem;
color: var(--qt-text);
line-height: 1.5;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}

.qt-sidebar-contact p {
font-size: 0.9rem;
color: var(--qt-text-secondary);
margin-bottom: 0.5rem;
}

.qt-sidebar-contact p i {
color: var(--qt-primary);
margin-right: 0.5rem;
}

.qt-article-detail {
background: var(--qt-bg);
border-radius: 16px;
padding: 2.5rem;
border: 1px solid var(--qt-border);
}

.qt-detail-header {
margin-bottom: 2rem;
padding-bottom: 1.5rem;
border-bottom: 1px solid var(--qt-border);
}

.qt-detail-header h1 {
font-size: 1.75rem;
font-weight: 800;
color: var(--qt-text);
line-height: 1.4;
margin-bottom: 1rem;
}

.qt-detail-meta {
display: flex;
gap: 1.5rem;
flex-wrap: wrap;
margin-bottom: 1rem;
font-size: 0.85rem;
color: var(--qt-text-secondary);
}

.qt-detail-meta span {
display: flex;
align-items: center;
gap: 0.25rem;
}

.qt-detail-meta i {
color: var(--qt-primary);
}

.qt-detail-tags {
display: flex;
gap: 0.5rem;
flex-wrap: wrap;
}

.qt-detail-tags span {
font-size: 0.8rem;
padding: 0.25rem 0.75rem;
background: rgba(13, 148, 136, 0.08);
color: var(--qt-primary);
border-radius: 12px;
font-weight: 500;
}

.content {
font-size: 1rem;
line-height: 1.8;
color: var(--qt-text);
}

.content p {
margin-bottom: 1.25rem;
}

.content img {
max-width: 100%;
height: auto;
border-radius: 12px;
margin: 1rem 0;
}

.content h2, .content h3, .content h4 {
margin: 1.5rem 0 1rem;
color: var(--qt-text);
}

.qt-first-letter-p::first-letter {
float: left;
font-size: 4.5em;
line-height: 0.8;
margin-right: 0.1em;
font-weight: 700;
color: var(--qt-primary);
font-family: "Noto Serif SC", serif;
}

.qt-related-articles {
margin-top: 2rem;
}

.qt-related-articles h4 {
font-size: 1.25rem;
font-weight: 700;
margin-bottom: 1rem;
color: var(--qt-text);
}

.qt-related-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 1rem;
}

.qt-related-card {
display: block;
padding: 1.25rem;
background: #F9FAFB;
border-radius: 12px;
text-decoration: none;
transition: all 0.3s ease;
border: 1px solid var(--qt-border);
}

.qt-related-card:hover {
background: rgba(13, 148, 136, 0.05);
border-color: var(--qt-primary);
transform: translateY(-2px);
}

.qt-related-card h5 {
font-size: 0.95rem;
font-weight: 600;
color: var(--qt-text);
margin-bottom: 0.5rem;
}

.qt-related-card p {
font-size: 0.8rem;
color: var(--qt-text-secondary);
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}

.qt-about-intro .row {
align-items: center;
}

.qt-about-text h2 {
font-size: 2rem;
font-weight: 800;
margin-bottom: 1.5rem;
color: var(--qt-text);
}

.qt-about-text p {
font-size: 1rem;
color: var(--qt-text-secondary);
line-height: 1.8;
margin-bottom: 1rem;
}

.qt-about-image {
position: relative;
border-radius: 20px;
overflow: hidden;
}

.qt-about-image img {
width: 100%;
height: auto;
border-radius: 20px;
}

.qt-about-image-badge {
position: absolute;
bottom: 1.5rem;
right: 1.5rem;
background: linear-gradient(135deg, var(--qt-primary), var(--qt-secondary));
color: #fff;
padding: 1rem 1.5rem;
border-radius: 16px;
text-align: center;
}

.qt-about-image-badge span {
display: block;
font-size: 2.5rem;
font-weight: 800;
line-height: 1;
}

.qt-about-image-badge small {
font-size: 0.8rem;
opacity: 0.9;
}

.qt-about-values {
background: #F9FAFB;
}

.qt-timeline {
position: relative;
padding-left: 3rem;
}

.qt-timeline::before {
content: '';
position: absolute;
left: 12px;
top: 0;
bottom: 0;
width: 2px;
background: linear-gradient(to bottom, var(--qt-primary), var(--qt-secondary));
}

.qt-timeline-item {
position: relative;
padding-bottom: 2.5rem;
}

.qt-timeline-dot {
position: absolute;
left: -3rem;
top: 0.5rem;
width: 24px;
height: 24px;
border-radius: 50%;
background: var(--qt-primary);
border: 4px solid #F0FDFA;
margin-left: 1px;
}

.qt-timeline-content {
background: var(--qt-bg);
border: 1px solid var(--qt-border);
border-radius: 12px;
padding: 1.5rem;
}

.qt-timeline-year {
display: inline-block;
font-size: 0.8rem;
font-weight: 700;
color: var(--qt-primary);
background: rgba(13, 148, 136, 0.08);
padding: 0.2rem 0.75rem;
border-radius: 12px;
margin-bottom: 0.5rem;
}

.qt-timeline-content h4 {
font-size: 1.1rem;
font-weight: 700;
color: var(--qt-text);
margin-bottom: 0.5rem;
}

.qt-timeline-content p {
font-size: 0.9rem;
color: var(--qt-text-secondary);
line-height: 1.6;
}

.qt-about-contact-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 1.5rem;
}

.qt-about-contact-item {
display: flex;
align-items: flex-start;
gap: 1rem;
padding: 1.5rem;
background: var(--qt-bg);
border: 1px solid var(--qt-border);
border-radius: 12px;
}

.qt-about-contact-item i {
font-size: 1.5rem;
color: var(--qt-primary);
flex-shrink: 0;
margin-top: 0.25rem;
}

.qt-about-contact-item h5 {
font-size: 0.9rem;
font-weight: 700;
color: var(--qt-text);
margin-bottom: 0.25rem;
}

.qt-about-contact-item p {
font-size: 0.85rem;
color: var(--qt-text-secondary);
margin: 0;
}

.qt-contact-content {
background: var(--qt-bg);
}

.qt-contact-info-panel {
padding: 2rem;
}

.qt-contact-info-panel h2 {
font-size: 1.75rem;
font-weight: 800;
color: var(--qt-text);
margin-bottom: 1rem;
}

.qt-contact-desc {
font-size: 0.95rem;
color: var(--qt-text-secondary);
line-height: 1.7;
margin-bottom: 2rem;
}

.qt-contact-items {
display: flex;
flex-direction: column;
gap: 1.5rem;
margin-bottom: 2rem;
}

.qt-contact-item {
display: flex;
align-items: center;
gap: 1rem;
}

.qt-contact-item-icon {
width: 48px;
height: 48px;
border-radius: 12px;
background: rgba(13, 148, 136, 0.08);
display: flex;
align-items: center;
justify-content: center;
flex-shrink: 0;
}

.qt-contact-item-icon i {
font-size: 1.25rem;
color: var(--qt-primary);
}

.qt-contact-item h5 {
font-size: 0.85rem;
color: var(--qt-text-secondary);
margin-bottom: 0.25rem;
font-weight: 500;
}

.qt-contact-item p {
font-size: 1rem;
font-weight: 600;
color: var(--qt-text);
margin: 0;
}

.qt-contact-qr {
text-align: center;
}

.qt-contact-qr img {
width: 140px;
height: 140px;
border-radius: 12px;
border: 1px solid var(--qt-border);
margin-bottom: 0.5rem;
}

.qt-contact-qr p {
font-size: 0.85rem;
color: var(--qt-text-secondary);
}

.qt-contact-form-panel {
background: #F9FAFB;
border-radius: 20px;
padding: 2.5rem;
border: 1px solid var(--qt-border);
}

.qt-contact-form-panel h2 {
font-size: 1.5rem;
font-weight: 800;
color: var(--qt-text);
margin-bottom: 0.5rem;
}

.qt-contact-form-panel > p {
font-size: 0.9rem;
color: var(--qt-text-secondary);
margin-bottom: 1.5rem;
}

.qt-form-row {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1rem;
}

.qt-form-group {
margin-bottom: 1.25rem;
}

.qt-form-group label {
display: block;
font-size: 0.9rem;
font-weight: 600;
color: var(--qt-text);
margin-bottom: 0.5rem;
}

.qt-required {
color: #EF4444;
}

.qt-form-group input,
.qt-form-group textarea {
width: 100%;
padding: 0.75rem 1rem;
border: 1px solid var(--qt-border);
border-radius: 10px;
font-size: 0.95rem;
color: var(--qt-text);
background: var(--qt-bg);
transition: border-color 0.3s ease, box-shadow 0.3s ease;
outline: none;
}

.qt-form-group input:focus,
.qt-form-group textarea:focus {
border-color: var(--qt-primary);
box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

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

.qt-form-notice {
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 0.8rem;
color: var(--qt-text-secondary);
margin-bottom: 1.5rem;
padding: 0.75rem;
background: rgba(13, 148, 136, 0.05);
border-radius: 8px;
}

.qt-form-notice i {
color: var(--qt-primary);
}

.qt-footer {
background: var(--qt-bg-dark);
color: #CBD5E1;
}

.qt-footer-top {
padding: 4rem 0 3rem;
}

.qt-footer-col {
margin-bottom: 2rem;
}

.qt-footer-brand {
margin-bottom: 1.5rem;
}

.qt-footer-logo {
height: 36px;
margin-bottom: 1rem;
}

.qt-footer-desc {
font-size: 0.85rem;
line-height: 1.7;
color: #94A3B8;
}

.qt-footer-contact-info p {
font-size: 0.85rem;
margin-bottom: 0.5rem;
display: flex;
align-items: center;
gap: 0.5rem;
}

.qt-footer-contact-info i {
color: var(--qt-secondary);
}

.qt-footer-title {
font-size: 1rem;
font-weight: 700;
color: #F1F5F9;
margin-bottom: 1.25rem;
}

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

.qt-footer-links li {
margin-bottom: 0.75rem;
}

.qt-footer-links a {
color: #94A3B8;
text-decoration: none;
font-size: 0.85rem;
transition: color 0.3s ease;
}

.qt-footer-links a:hover {
color: var(--qt-secondary);
}

.qt-footer-friends {
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
}

.qt-footer-friends a {
font-size: 0.8rem;
color: #94A3B8;
text-decoration: none;
padding: 0.25rem 0.5rem;
border: 1px solid #334155;
border-radius: 6px;
transition: all 0.3s ease;
}

.qt-footer-friends a:hover {
color: var(--qt-secondary);
border-color: var(--qt-secondary);
}

.qt-footer-wechat {
text-align: center;
}

.qt-wechat-qr {
width: 120px;
height: 120px;
border-radius: 8px;
margin-bottom: 0.5rem;
}

.qt-footer-wechat p {
font-size: 0.8rem;
color: #94A3B8;
}

.qt-footer-counter {
padding: 1rem 0;
border-top: 1px solid #1E293B;
border-bottom: 1px solid #1E293B;
}

.qt-counter-inner {
display: flex;
align-items: center;
justify-content: center;
gap: 0.5rem;
}

.qt-counter-label {
font-size: 0.85rem;
color: #94A3B8;
}

.qt-counter-digits {
font-family: "Courier New", monospace;
font-size: 1.25rem;
font-weight: 700;
color: var(--qt-secondary);
background: #1E293B;
padding: 0.25rem 0.75rem;
border-radius: 4px;
letter-spacing: 0.15em;
}

.qt-counter-close {
background: none;
border: none;
color: #64748B;
cursor: pointer;
font-size: 1rem;
padding: 0.25rem;
margin-left: 1rem;
transition: color 0.3s ease;
}

.qt-counter-close:hover {
color: #F1F5F9;
}

.qt-counter-hidden {
display: none;
}

.qt-footer-bottom {
padding: 1.5rem 0;
}

.qt-footer-bottom-inner {
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 0.5rem;
}

.qt-footer-bottom p {
font-size: 0.8rem;
color: #64748B;
margin: 0;
}

.qt-is-scrolling .qt-animate-in:not(.qt-animated) {
transform: translateY(30px) skewY(0.5deg);
}

@media (max-width: 768px) {
.qt-main {
padding-top: 64px;
}

.qt-header-top-inner {
padding: 0 1rem;
}

.qt-search-wrap {
display: none;
}

.qt-header-actions .qt-phone-link span {
display: none;
}

.qt-cta-btn {
display: none;
}

.qt-mobile-toggle {
display: flex;
}

.qt-header-bottom {
display: none;
}

.qt-hero {
min-height: 60vh;
padding: 3rem 0;
}

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

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

.qt-hero-actions {
flex-direction: column;
}

.qt-hero-actions .qt-btn {
width: 100%;
justify-content: center;
}

.qt-trust-grid {
flex-direction: column;
align-items: center;
}

.qt-three-col-grid {
grid-template-columns: 1fr;
}

.qt-metrics-grid {
grid-template-columns: repeat(2, 1fr);
}

.qt-process-steps {
flex-direction: column;
align-items: center;
}

.qt-process-connector {
transform: rotate(90deg);
padding: 0.5rem 0;
}

.qt-team-grid {
grid-template-columns: repeat(2, 1fr);
}

.qt-cities-grid {
grid-template-columns: repeat(4, 1fr);
}

.qt-partners-grid {
grid-template-columns: repeat(3, 1fr);
}

.qt-news-item {
flex-direction: column;
}

.qt-news-img img {
width: 100%;
height: 200px;
}

.qt-related-grid {
grid-template-columns: 1fr;
}

.qt-about-contact-grid {
grid-template-columns: 1fr;
}

.qt-form-row {
grid-template-columns: 1fr;
}

.qt-first-letter-p::first-letter {
font-size: 3em;
}

.qt-cta-content h2 {
font-size: 1.75rem;
}

.qt-section-title {
font-size: 1.75rem;
}

.qt-footer-bottom-inner {
flex-direction: column;
text-align: center;
}

.breathe-lg {
padding-top: 8vh;
padding-bottom: 8vh;
}

.breathe-md {
padding-top: 5vh;
padding-bottom: 5vh;
}

.breathe-sm {
padding-top: 3vh;
padding-bottom: 3vh;
}

.qt-about-image-badge {
bottom: 0.75rem;
right: 0.75rem;
padding: 0.75rem 1rem;
}

.qt-about-image-badge span {
font-size: 1.75rem;
}

.qt-contact-info-panel {
padding: 1rem;
}

.qt-contact-form-panel {
padding: 1.5rem;
}
}

@media (max-width: 480px) {
.qt-team-grid {
grid-template-columns: 1fr;
}

.qt-metrics-grid {
grid-template-columns: 1fr;
}

.qt-cities-grid {
grid-template-columns: repeat(3, 1fr);
}

.qt-partners-grid {
grid-template-columns: repeat(2, 1fr);
}
}

@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}

.qt-animate-in {
opacity: 1;
transform: none;
}

.qt-metric-card {
animation: none;
}

.qt-hero-crystal {
animation: none;
}
}