:root {
--qt-primary: #C5A059;
--qt-secondary: #2C2C2C;
--qt-accent: #8B0000;
--qt-text: #F5F5F5;
--qt-text-secondary: #A0A0A0;
--qt-bg: #1A1A1A;
--qt-bg-dark: #0D0D0D;
--qt-border: #333333;
--qt-shadow: rgba(0, 0, 0, 0.5);
--qt-gradient-start: #C5A059;
--qt-gradient-end: #8B6508;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
background-color: var(--qt-bg);
color: var(--qt-text);
line-height: 1.5;
font-size: 0.95rem;
overflow-x: hidden;
}
a { color: var(--qt-primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--qt-gradient-end); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5 { font-weight: 700; color: var(--qt-text); line-height: 1.2; }

.qt-main-content { min-height: 100vh; }
.qt-dark-bg { background-color: var(--qt-bg-dark); }

.qt-metal-surface {
background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
position: relative;
}
.qt-metal-surface::before {
content: '';
position: absolute;
top: 0; left: 0; right: 0; bottom: 0;
background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 50%, rgba(255,255,255,0.02) 100%);
pointer-events: none;
}

.qt-metal-border {
position: relative;
border: 1px solid var(--qt-border);
background: linear-gradient(145deg, rgba(42,42,42,0.8), rgba(26,26,26,0.9));
}
.qt-metal-border::after {
content: '';
position: absolute;
top: -1px; left: -1px; right: -1px; bottom: -1px;
border-radius: inherit;
background: linear-gradient(135deg, var(--qt-primary), transparent 40%, transparent 60%, var(--qt-primary));
mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
mask-composite: exclude;
-webkit-mask-composite: xor;
padding: 1px;
pointer-events: none;
opacity: 0.5;
transition: opacity 0.3s ease;
}
.qt-metal-border:hover::after { opacity: 1; }

.qt-btn, .qt-metal-btn {
display: inline-block;
padding: 0.875rem 2rem;
background: linear-gradient(135deg, var(--qt-gradient-start), var(--qt-gradient-end));
color: #000;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.05em;
border: none;
border-radius: 4px;
cursor: pointer;
position: relative;
overflow: hidden;
transition: all 0.3s ease;
}
.qt-btn::before, .qt-metal-btn::before {
content: '';
position: absolute;
top: 0; left: -100%; width: 100%; height: 100%;
background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
transition: left 0.5s ease;
}
.qt-btn:hover::before, .qt-metal-btn:hover::before { left: 100%; }
.qt-btn:hover, .qt-metal-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(197, 160, 89, 0.3); color: #000; }

.qt-header {
position: fixed;
top: 0; left: 0; width: 100%;
height: 80px;
z-index: 1000;
transition: all 0.3s ease;
border-bottom: 1px solid rgba(197, 160, 89, 0.2);
}
.qt-header.qt-scrolled {
height: 60px;
background: rgba(13, 13, 13, 0.95);
backdrop-filter: blur(10px);
box-shadow: 0 2px 20px var(--qt-shadow);
}
.qt-header-inner {
max-width: 1400px;
margin: 0 auto;
height: 100%;
display: flex;
align-items: center;
padding: 0 2rem;
position: relative;
}
.qt-logo-center {
position: absolute;
left: 50%;
transform: translateX(-50%);
z-index: 10;
}
.qt-logo-img { height: 48px; width: auto; transition: height 0.3s ease; }
.qt-scrolled .qt-logo-img { height: 36px; }

.qt-nav-left, .qt-nav-right {
flex: 1;
display: flex;
justify-content: space-around;
align-items: center;
}
.qt-nav-left { justify-content: flex-start; padding-right: 10%; }
.qt-nav-right { justify-content: flex-end; padding-left: 10%; }

.qt-nav-item a {
font-size: 0.875rem;
text-transform: uppercase;
letter-spacing: 0.1em;
color: var(--qt-text);
position: relative;
padding: 0.5rem 0;
}
.qt-nav-item a::after {
content: '';
position: absolute;
bottom: 0; left: 50%;
width: 0; height: 2px;
background: var(--qt-primary);
transition: all 0.3s ease;
transform: translateX(-50%);
}
.qt-nav-item a:hover::after, .qt-nav-item.qt-active a::after { width: 100%; }
.qt-nav-item.qt-active a { color: var(--qt-primary); }

.qt-mobile-toggle {
display: none;
background: none;
border: none;
cursor: pointer;
width: 30px;
height: 24px;
position: relative;
z-index: 1001;
}
.qt-mobile-toggle span {
display: block;
width: 100%;
height: 2px;
background: var(--qt-text);
position: absolute;
left: 0;
transition: all 0.3s ease;
}
.qt-mobile-toggle span:nth-child(1) { top: 0; }
.qt-mobile-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.qt-mobile-toggle span:nth-child(3) { bottom: 0; }
.qt-mobile-toggle.qt-active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.qt-mobile-toggle.qt-active span:nth-child(2) { opacity: 0; }
.qt-mobile-toggle.qt-active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

.qt-mobile-menu {
display: none;
position: fixed;
top: 0; left: 0; width: 100%; height: 100vh;
background: rgba(13, 13, 13, 0.98);
z-index: 999;
flex-direction: column;
justify-content: center;
align-items: center;
gap: 2rem;
}
.qt-mobile-menu.qt-active { display: flex; }
.qt-mobile-link {
font-size: 1.5rem;
color: var(--qt-text);
text-transform: uppercase;
letter-spacing: 0.1em;
}
.qt-mobile-link.qt-active { color: var(--qt-primary); }

.qt-hero {
position: relative;
width: 100%;
height: 70vh;
overflow: hidden;
display: flex;
align-items: center;
justify-content: center;
}
.qt-hero-slider {
position: absolute;
top: 0; left: 0; width: 100%; height: 100%;
}
.qt-hero-slide {
position: absolute;
top: 0; left: 0; width: 100%; height: 100%;
opacity: 0;
transition: opacity 0.8s ease;
}
.qt-hero-slide.qt-active { opacity: 1; }
.qt-hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.qt-hero-overlay {
position: absolute;
top: 0; left: 0; width: 100%; height: 100%;
background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
z-index: 1;
}
.qt-hero-content {
position: relative;
z-index: 2;
text-align: center;
padding: 0 2rem;
}
.qt-hero-subtitle {
font-size: 1.2rem;
color: var(--qt-text-secondary);
margin: 1.5rem 0 2rem;
max-width: 600px;
margin-left: auto;
margin-right: auto;
}
.qt-hero-indicators {
position: absolute;
bottom: 2rem;
left: 50%;
transform: translateX(-50%);
z-index: 2;
display: flex;
gap: 0.5rem;
}
.qt-indicator {
width: 30px;
height: 3px;
background: rgba(255,255,255,0.3);
cursor: pointer;
transition: all 0.3s ease;
}
.qt-indicator.qt-active { background: var(--qt-primary); width: 50px; }

.qt-layered-title {
position: relative;
overflow: hidden;
margin-bottom: 2rem;
}
.qt-bg-text {
position: absolute;
bottom: -10px;
left: 0;
z-index: 0;
opacity: 0.08;
font-size: clamp(3rem, 6vw, 5rem);
font-weight: 900;
color: var(--qt-primary);
text-transform: uppercase;
letter-spacing: 0.05em;
white-space: nowrap;
pointer-events: none;
transition: transform 0.1s linear;
}
.qt-main-title {
position: relative;
z-index: 10;
font-size: clamp(1.8rem, 4vw, 3rem);
font-weight: 800;
color: var(--qt-text);
text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.qt-section { padding: 3vh 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.qt-compact-section { padding: 3vh 0; }
.qt-section-header { text-align: center; margin-bottom: 3vh; }
.qt-section-subtitle {
font-size: 1.5rem;
margin-bottom: 2vh;
padding-bottom: 1vh;
border-bottom: 1px solid var(--qt-border);
color: var(--qt-primary);
}

.qt-advantage-grid { gap: 1rem; }
.qt-advantage-card {
padding: 1.5rem;
text-align: center;
transition: transform 0.3s ease;
}
.qt-advantage-card:hover { transform: translateY(-5px); }
.qt-advantage-icon {
font-size: 2.5rem;
color: var(--qt-primary);
margin-bottom: 1rem;
}
.qt-advantage-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--qt-primary); }
.qt-advantage-card p { font-size: 0.9rem; color: var(--qt-text-secondary); }

.qt-3d-stage {
perspective: 1200px;
height: 400px;
display: flex;
align-items: center;
justify-content: center;
position: relative;
cursor: grab;
margin-bottom: 2vh;
}
.qt-3d-carousel {
width: 200px;
height: 280px;
position: relative;
transform-style: preserve-3d;
transition: transform 0.1s linear;
}
.qt-3d-item {
position: absolute;
width: 200px;
height: 280px;
background: var(--qt-bg-dark);
border: 1px solid var(--qt-border);
border-radius: 8px;
overflow: hidden;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
backface-visibility: hidden;
}
.qt-3d-item img { width: 100%; height: 220px; object-fit: cover; }
.qt-3d-label {
padding: 0.5rem;
font-size: 0.9rem;
font-weight: 600;
color: var(--qt-primary);
text-align: center;
}
.qt-3d-reflection {
position: absolute;
bottom: -50px;
left: 50%;
transform: translateX(-50%);
width: 300px;
height: 50px;
background: radial-gradient(ellipse, rgba(197, 160, 89, 0.2), transparent);
filter: blur(10px);
}
.qt-3d-controls {
display: flex;
align-items: center;
justify-content: center;
gap: 1rem;
}
.qt-3d-prev, .qt-3d-next {
padding: 0.5rem 1rem;
background: transparent;
border: 1px solid var(--qt-primary);
color: var(--qt-primary);
cursor: pointer;
transition: all 0.3s ease;
}
.qt-3d-prev:hover, .qt-3d-next:hover { background: var(--qt-primary); color: #000; }

.qt-holo-card {
position: relative;
transition: transform 0.1s ease;
}
.qt-holo-card::before {
content: '';
position: absolute;
top: 0; left: 0; width: 100%; height: 100%;
background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.2), transparent 50%);
opacity: 0;
transition: opacity 0.3s ease;
pointer-events: none;
z-index: 2;
}
.qt-holo-card:hover::before { opacity: 1; }

.qt-gallery-wrapper { display: flex; gap: 1rem; }
.qt-gallery-main { flex: 3; }
.qt-gallery-main-img {
position: relative;
border-radius: 8px;
overflow: hidden;
background: var(--qt-bg-dark);
}
.qt-gallery-main-img img {
width: 100%;
height: 400px;
object-fit: cover;
transition: opacity 0.4s ease;
}
.qt-gallery-info {
position: absolute;
bottom: 0; left: 0; right: 0;
padding: 1.5rem;
background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}
.qt-gallery-info h4 { color: var(--qt-primary); margin-bottom: 0.5rem; }
.qt-gallery-info p { color: var(--qt-text-secondary); font-size: 0.9rem; }

.qt-gallery-thumbs {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.qt-thumb-item {
cursor: pointer;
border: 2px solid transparent;
border-radius: 4px;
overflow: hidden;
transition: all 0.3s ease;
}
.qt-thumb-item.qt-active { border-color: var(--qt-primary); }
.qt-thumb-item img { width: 100%; height: 80px; object-fit: cover; }

.qt-timeline {
position: relative;
padding: 2vh 0;
}
.qt-timeline-line {
position: absolute;
left: 50%;
top: 0; bottom: 0;
width: 2px;
background: var(--qt-border);
transform: translateX(-50%);
}
.qt-timeline-item {
position: relative;
width: 50%;
padding: 1rem 2rem;
margin-bottom: 1rem;
}
.qt-timeline-item:nth-child(odd) { left: 0; text-align: right; padding-right: 3rem; }
.qt-timeline-item:nth-child(even) { left: 50%; text-align: left; padding-left: 3rem; }
.qt-timeline-dot {
position: absolute;
top: 1.5rem;
width: 12px; height: 12px;
background: var(--qt-primary);
border-radius: 50%;
border: 2px solid var(--qt-bg);
z-index: 2;
}
.qt-timeline-item:nth-child(odd) .qt-timeline-dot { right: -6px; }
.qt-timeline-item:nth-child(even) .qt-timeline-dot { left: -6px; }
.qt-timeline-content {
padding: 1.5rem;
border-radius: 8px;
}
.qt-timeline-year {
display: inline-block;
font-size: 1.5rem;
font-weight: 800;
color: var(--qt-primary);
margin-bottom: 0.5rem;
}
.qt-timeline-content h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.qt-timeline-content p { font-size: 0.9rem; color: var(--qt-text-secondary); }

.qt-reveal {
opacity: 0;
transform: translateY(20px);
transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.qt-reveal.is-visible {
opacity: 1;
transform: translateY(0);
}

.qt-city-intro { text-align: center; color: var(--qt-text-secondary); margin-bottom: 2vh; }
.qt-city-grid { gap: 0.5rem; }
.qt-city-card {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 0.8rem 0.5rem;
text-align: center;
transition: all 0.3s ease;
}
.qt-city-card:hover { transform: translateY(-3px); border-color: var(--qt-primary); }
.qt-city-card i { color: var(--qt-primary); font-size: 1.2rem; margin-bottom: 0.3rem; }
.qt-city-card h5 { font-size: 0.85rem; margin: 0; color: var(--qt-text); }

.qt-news-grid { gap: 1rem; }
.qt-news-card {
border-radius: 8px;
overflow: hidden;
transition: transform 0.3s ease;
}
.qt-news-card:hover { transform: translateY(-5px); }
.qt-news-img { height: 200px; overflow: hidden; }
.qt-news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.qt-news-card:hover .qt-news-img img { transform: scale(1.05); }
.qt-news-body { padding: 1.5rem; }
.qt-news-body time { font-size: 0.8rem; color: var(--qt-text-secondary); display: block; margin-bottom: 0.5rem; }
.qt-news-body h3 { font-size: 1.1rem; margin-bottom: 0.5rem; line-height: 1.4; }
.qt-news-body p { font-size: 0.9rem; color: var(--qt-text-secondary); margin-bottom: 1rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.qt-news-link { font-size: 0.9rem; font-weight: 600; color: var(--qt-primary); }

.qt-contact-grid { gap: 2rem; }
.qt-contact-form { padding: 2rem; border-radius: 8px; }
.qt-form-group { margin-bottom: 1.5rem; }
.qt-form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--qt-text-secondary); font-size: 0.9rem; }
.qt-form-group input, .qt-form-group textarea {
width: 100%;
padding: 0.875rem;
background: rgba(255,255,255,0.05);
border: 1px solid var(--qt-border);
border-radius: 8px;
color: var(--qt-text);
font-size: 0.95rem;
transition: all 0.3s ease;
}
.qt-form-group input:focus, .qt-form-group textarea:focus {
outline: none;
border-color: var(--qt-primary);
box-shadow: 0 0 0 2px rgba(197, 160, 89, 0.2);
}
.qt-submit-btn { width: 100%; }
.qt-form-msg { margin-top: 1rem; padding: 0.8rem; border-radius: 4px; display: none; font-size: 0.9rem; }
.qt-form-msg.qt-success { background: rgba(40, 167, 69, 0.1); color: #28a745; border: 1px solid #28a745; }
.qt-form-msg.qt-error { background: rgba(220, 53, 69, 0.1); color: #dc3545; border: 1px solid #dc3545; }

.qt-contact-info { padding: 2rem; border-radius: 8px; }
.qt-contact-info h3 { margin-bottom: 1.5rem; color: var(--qt-primary); }
.qt-info-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start; }
.qt-info-item i { font-size: 1.5rem; color: var(--qt-primary); margin-top: 0.2rem; }
.qt-info-item h5 { font-size: 0.9rem; margin-bottom: 0.2rem; }
.qt-info-item p { font-size: 0.9rem; color: var(--qt-text-secondary); }
.qt-info-qr { width: 100px; margin-top: 0.5rem; border: 1px solid var(--qt-border); border-radius: 4px; }

.qt-page-header {
position: relative;
height: 40vh;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
}
.qt-page-header-bg {
position: absolute;
top: 0; left: 0; width: 100%; height: 100%;
object-fit: cover;
}
.qt-page-header-content {
position: relative;
z-index: 2;
text-align: center;
padding: 0 2rem;
}
.qt-page-header-content p { color: var(--qt-text-secondary); margin-top: 1rem; }

.qt-news-list-item {
display: flex;
gap: 1.5rem;
padding: 1.5rem;
margin-bottom: 1rem;
border-radius: 8px;
transition: transform 0.3s ease;
}
.qt-news-list-item:hover { transform: translateX(5px); }
.qt-news-list-img { flex-shrink: 0; border-radius: 4px; overflow: hidden; }
.qt-news-list-body { flex: 1; }
.qt-news-list-body h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.qt-news-list-body h3 a { color: var(--qt-text); }
.qt-news-list-body h3 a:hover { color: var(--qt-primary); }
.qt-news-list-body p { font-size: 0.9rem; color: var(--qt-text-secondary); margin-bottom: 0.8rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.qt-news-list-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.qt-news-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.qt-tag {
display: inline-block;
padding: 0.2rem 0.6rem;
background: rgba(197, 160, 89, 0.1);
color: var(--qt-primary);
border: 1px solid rgba(197, 160, 89, 0.3);
border-radius: 4px;
font-size: 0.75rem;
}
.qt-news-list-meta time { font-size: 0.8rem; color: var(--qt-text-secondary); }

.qt-sidebar {
padding: 1.5rem;
border-radius: 8px;
position: sticky;
top: 100px;
}
.qt-sidebar-title {
font-size: 1.2rem;
margin-bottom: 1rem;
padding-bottom: 0.5rem;
border-bottom: 1px solid var(--qt-border);
color: var(--qt-primary);
}
.qt-sidebar-item { margin-bottom: 1rem; }
.qt-sidebar-link { display: flex; gap: 0.8rem; align-items: center; }
.qt-sidebar-link img { width: 60px; height: 60px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.qt-sidebar-link h5 { font-size: 0.9rem; line-height: 1.4; color: var(--qt-text); transition: color 0.3s ease; }
.qt-sidebar-link:hover h5 { color: var(--qt-primary); }

.qt-pagination { margin-top: 2rem; display: flex; justify-content: center; }
.pagination { gap: 0.5rem; }
.page-item .page-link {
background: transparent;
border: 1px solid var(--qt-border);
color: var(--qt-text);
border-radius: 4px;
padding: 0.5rem 0.8rem;
}
.page-item.active .page-link { background: var(--qt-primary); border-color: var(--qt-primary); color: #000; }
.page-item .page-link:hover { background: rgba(197, 160, 89, 0.1); }

.qt-article-detail {
padding: 2rem;
border-radius: 8px;
margin-bottom: 2rem;
}
.qt-article-meta {
display: flex;
gap: 1.5rem;
flex-wrap: wrap;
margin-bottom: 1.5rem;
padding-bottom: 1rem;
border-bottom: 1px solid var(--qt-border);
font-size: 0.9rem;
color: var(--qt-text-secondary);
}
.qt-article-meta i { margin-right: 0.3rem; color: var(--qt-primary); }
.qt-article-content { line-height: 1.8; color: var(--qt-text-secondary); }
.qt-article-content p { margin-bottom: 1rem; }
.qt-article-content img { margin: 1rem 0; border-radius: 8px; }
.qt-article-tags { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--qt-border); display: flex; gap: 0.5rem; flex-wrap: wrap; }

.qt-related-grid { gap: 1rem; }
.qt-related-card {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem 1.5rem;
border-radius: 8px;
transition: all 0.3s ease;
}
.qt-related-card:hover { transform: translateX(5px); border-color: var(--qt-primary); }
.qt-related-card h5 { font-size: 1rem; margin: 0; }
.qt-related-card i { color: var(--qt-primary); }

.qt-about-intro { gap: 2rem; align-items: center; margin-bottom: 3vh; }
.qt-about-text { padding-right: 2rem; }
.qt-about-desc { font-size: 1.1rem; color: var(--qt-text-secondary); margin-bottom: 1rem; line-height: 1.8; }
.qt-about-img img { border-radius: 8px; width: 100%; height: 400px; object-fit: cover; }

.qt-business-grid { gap: 1rem; }
.qt-business-card {
padding: 2rem;
text-align: center;
border-radius: 8px;
transition: transform 0.3s ease;
}
.qt-business-card:hover { transform: translateY(-5px); }
.qt-business-card i { font-size: 3rem; color: var(--qt-primary); margin-bottom: 1rem; }
.qt-business-card h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.qt-business-card p { font-size: 0.9rem; color: var(--qt-text-secondary); }

.qt-factory-grid { gap: 1rem; }
.qt-factory-item { position: relative; border-radius: 8px; overflow: hidden; }
.qt-factory-item img { width: 100%; height: 250px; object-fit: cover; border-radius: 8px; transition: transform 0.5s ease; }
.qt-factory-item:hover img { transform: scale(1.05); }
.qt-factory-item h4 {
position: absolute;
bottom: 1rem; left: 1rem;
background: rgba(0,0,0,0.7);
padding: 0.5rem 1rem;
border-radius: 4px;
font-size: 1rem;
color: var(--qt-primary);
}

.qt-about-address {
padding: 2rem;
border-radius: 8px;
text-align: center;
}
.qt-address-item { margin-bottom: 1rem; }
.qt-address-item i { font-size: 2rem; color: var(--qt-primary); margin-bottom: 0.5rem; }
.qt-address-item h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.qt-address-item p { font-size: 0.9rem; color: var(--qt-text-secondary); }

.qt-footer {
background: var(--qt-bg-dark);
padding: 4vh 0 2vh;
border-top: 1px solid rgba(197, 160, 89, 0.2);
}
.qt-footer-grid { gap: 2rem; }
.qt-footer-col { margin-bottom: 2rem; }
.qt-footer-title { font-size: 1.5rem; color: var(--qt-primary); margin-bottom: 1rem; }
.qt-footer-desc { font-size: 0.9rem; color: var(--qt-text-secondary); margin-bottom: 1rem; line-height: 1.6; }
.qt-footer-contact p { font-size: 0.9rem; color: var(--qt-text-secondary); margin-bottom: 0.5rem; }
.qt-footer-contact i { color: var(--qt-primary); margin-right: 0.5rem; }
.qt-footer-subtitle { font-size: 1.1rem; color: var(--qt-text); margin-bottom: 1rem; position: relative; padding-bottom: 0.5rem; }
.qt-footer-subtitle::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--qt-primary); }
.qt-footer-links { list-style: none; }
.qt-footer-links li { margin-bottom: 0.5rem; }
.qt-footer-links a { font-size: 0.9rem; color: var(--qt-text-secondary); transition: color 0.3s ease; }
.qt-footer-links a:hover { color: var(--qt-primary); }
.qt-friend-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.qt-friend-links a { font-size: 0.8rem; color: var(--qt-text-secondary); padding: 0.2rem 0.5rem; border: 1px solid var(--qt-border); border-radius: 4px; transition: all 0.3s ease; }
.qt-friend-links a:hover { border-color: var(--qt-primary); color: var(--qt-primary); }
.qt-wechat-box { text-align: center; }
.qt-wechat-box img { width: 120px; margin: 0 auto 0.5rem; border: 1px solid var(--qt-border); border-radius: 4px; }
.qt-wechat-box p { font-size: 0.9rem; color: var(--qt-text-secondary); }
.qt-footer-bottom {
text-align: center;
padding-top: 2vh;
border-top: 1px solid var(--qt-border);
margin-top: 2vh;
}
.qt-footer-bottom p { font-size: 0.8rem; color: var(--qt-text-secondary); }

@media (max-width: 991px) {
.qt-nav-left, .qt-nav-right { display: none; }
.qt-mobile-toggle { display: block; position: absolute; right: 2rem; top: 50%; transform: translateY(-50%); }
.qt-logo-center { position: relative; left: 0; transform: none; }
.qt-header-inner { justify-content: space-between; }
.qt-timeline-line { left: 20px; }
.qt-timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding-left: 3rem !important; padding-right: 1rem !important; }
.qt-timeline-dot { left: 14px !important; right: auto !important; }
.qt-gallery-wrapper { flex-direction: column; }
.qt-gallery-thumbs { flex-direction: row; overflow-x: auto; }
.qt-thumb-item { min-width: 100px; }
.qt-about-text { padding-right: 0; margin-bottom: 2rem; }
}

@media (max-width: 767px) {
.qt-hero { height: 50vh; }
.qt-page-header { height: 30vh; }
.qt-section { padding: 3vh 0; }
.qt-3d-stage { height: 300px; }
.qt-3d-carousel { width: 150px; height: 220px; }
.qt-3d-item { width: 150px; height: 220px; }
.qt-3d-item img { height: 170px; }
.qt-news-list-item { flex-direction: column; }
.qt-news-list-img img { width: 100%; height: 200px; }
.qt-contact-grid { gap: 1rem; }
.qt-contact-form, .qt-contact-info { padding: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
.qt-bg-text { transform: none !important; }
.qt-holo-card { transform: none !important; }
}