/* ===== Hero: Full-screen Industrial ===== */
.hero-carousel {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 560px;
    max-height: 800px;
    overflow: hidden;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.9s ease;
    z-index: 1;
    display: flex;
    align-items: center;
}

.carousel-slide.active { opacity: 1; z-index: 2; }

.slide-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 0;
}

.slide-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(26,14,8,0.85) 0%, rgba(230,81,0,0.35) 100%);
    z-index: 1;
}

.hero-carousel .container {
    position: relative;
    z-index: 2;
}

.slide-content {
    max-width: 1100px;
}

.slide-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-light);
    background: rgba(230,81,0,0.2);
    border: 1px solid rgba(255,152,0,0.3);
    padding: 4px 14px;
    border-radius: 4px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.slide-title {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.15;
    max-width: 700px;
}

.slide-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 32px;
    line-height: 1.7;
    max-width: 560px;
}

.slide-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.carousel-arrows {
    position: absolute;
    top: 50%; left: 0; right: 0;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    padding: 0 24px;
}

.carousel-arrow {
    pointer-events: auto;
    width: 48px; height: 48px;
    border-radius: 6px;
    background: rgba(255,255,255,0.06);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.12);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.carousel-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 32px; height: 3px;
    border-radius: 2px;
    background: rgba(255,255,255,0.25);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active { background: var(--primary-light); width: 48px; }

/* ===== Stats Bar ===== */
.stats-bar {
    background: var(--bg-dark);
    padding: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 36px 0;
}

.stat-cell {
    text-align: center;
    padding: 8px 16px;
    position: relative;
}

.stat-cell:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0; top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 32px;
    background: rgba(255,255,255,0.06);
}

.stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: 2px;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
}

/* ===== Materials Showcase ===== */
.materials-showcase {
    padding: 80px 0;
    background: var(--bg-white);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.material-card {
    background: var(--bg-gray);
    border-radius: var(--radius);
    padding: 32px 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.material-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

.material-card:hover::before { opacity: 1; }
.material-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.material-icon {
    width: 76px; height: 76px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    border-radius: 14px;
    overflow: hidden;
}

.material-icon img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.material-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.material-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.material-badge-wrap {
    margin-top: 12px;
    display: flex;
    gap: 4px;
    justify-content: center;
    flex-wrap: wrap;
}

.material-card:nth-child(1) .badge {
    background: #fef3e2;
    color: #b45309;
    border: 1px solid #fed7aa;
}

.material-card:nth-child(2) .badge {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

.material-card:nth-child(3) .badge {
    background: #dcfce7;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.material-card:nth-child(4) .badge {
    background: #f3e8ff;
    color: #7c3aed;
    border: 1px solid #e9d5ff;
}

/* ===== Products Section ===== */
.section-products {
    padding: 80px 0;
    background: var(--bg-gray);
}

.prod-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.prod-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.prod-img {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    background: var(--bg-gray);
}

.prod-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.prod-card:hover .prod-img img { transform: scale(1.08); }

.prod-info { padding: 16px 18px 20px; }

.prod-info h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.prod-meta {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.prod-info p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== About Section ===== */
.section-about {
    padding: 80px 0;
    background: #fff;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: flex-start;
}

.about-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-visual img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-content { 
    text-align: left;
}

.about-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.about-highlight-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-gray);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.about-highlight-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.about-highlight-item strong {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.about-highlight-item span {
    display: block;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.5;
}

/* ===== Quality Assurance ===== */
.section-promises {
    padding: 80px 0;
    background: var(--bg-gray);
}

.promises-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.promise-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}

.promise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.promise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.promise-card-top {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #fff 100%);
    position: relative;
}

.promise-card-top::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--primary);
    opacity: 0.3;
    border-radius: 1px;
}

.promise-icon {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.promise-fa-icon {
    font-size: 2.4rem;
    color: var(--primary);
}

.promise-card:nth-child(1) .promise-icon,
.promise-card:nth-child(1) .promise-fa-icon {
    animation: promiseFloat 3s ease-in-out infinite;
}

.promise-card:nth-child(2) .promise-icon,
.promise-card:nth-child(2) .promise-fa-icon {
    animation: promisePulse 2.5s ease-in-out infinite;
}

.promise-card:nth-child(3) .promise-icon,
.promise-card:nth-child(3) .promise-fa-icon {
    animation: promiseRotate 4s ease-in-out infinite;
}

.promise-card:nth-child(4) .promise-icon,
.promise-card:nth-child(4) .promise-fa-icon {
    animation: promiseDance 2s ease-in-out infinite;
}

.promise-card:nth-child(5) .promise-icon,
.promise-card:nth-child(5) .promise-fa-icon {
    animation: promiseBreathe 3s ease-in-out infinite;
}

@keyframes promiseFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes promisePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

@keyframes promiseRotate {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-8deg); }
    75% { transform: rotate(8deg); }
}

@keyframes promiseDance {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-3px); }
    75% { transform: translateX(3px); }
}

@keyframes promiseBreathe {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.92); }
}

.promise-body {
    padding: 20px 18px 24px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.promise-badge {
    display: inline-block;
    align-self: center;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary-dark);
    background: var(--primary-bg);
    padding: 3px 12px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.promise-body h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.promise-body p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

/* ===== News Section ===== */
.section-news {
    padding: 80px 0;
    background: #fff;
}

.news-grid-home {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
}

.news-grid-home > * {
    width: 100%;
    min-width: 0;
}

.news-card-link {
    width: 100% !important;
    display: block !important;
    text-decoration: none !important;
    color: inherit !important;
    height: 100% !important;
}

.news-card-home {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100% !important;
    min-width: 0;
}

.news-card-home:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.news-card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-gray);
    flex-shrink: 0;
}

.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card-home:hover .news-card-img img { transform: scale(1.06); }

.news-card-body {
    padding: 18px 20px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-card-date {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 6px;
}

.news-card-body h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-card-body p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

/* ===== Contact Section ===== */
.section-contact-home {
    padding: 80px 0;
    background: var(--bg-dark-alt);
    color: #fff;
    border-top: 1px solid rgba(255,152,0,0.06);
}

.contact-home-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.contact-home-info h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.contact-home-info > p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 28px;
}

.contact-home-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.contact-home-item:last-child { border-bottom: none; }

.contact-home-item .icon {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(230,81,0,0.15);
    color: var(--primary-light);
    border-radius: 8px;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-home-item .text h4 {
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    margin-bottom: 1px;
}

.contact-home-item .text p {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
}

.contact-form-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.contact-form-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.contact-form-card .form-group { margin-bottom: 14px; }

.contact-form-card .form-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.contact-form-card .form-input:focus {
    border-color: var(--primary-light);
    background: rgba(255,255,255,0.08);
}

.contact-form-card .form-input::placeholder { color: rgba(255,255,255,0.3); }

.contact-form-card .form-textarea { min-height: 100px; resize: vertical; }

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .materials-grid { grid-template-columns: repeat(2, 1fr); }
    .prod-grid { grid-template-columns: repeat(2, 1fr); }
    .promises-grid { grid-template-columns: repeat(3, 1fr); }
    .news-grid-home { grid-template-columns: repeat(2, 1fr); }
    .about-layout { grid-template-columns: 1fr; gap: 40px; }
    .contact-home-layout { grid-template-columns: 1fr; gap: 40px; }
}

/* ===== Brand Strip ===== */
.brand-strip { padding: 24px 0; background: var(--bg-white); border-bottom: 1px solid var(--border-light); }
.brand-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.brand-strip-item { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--bg-gray); border-radius: var(--radius); }
.brand-strip-item i { font-size: 1.4rem; color: var(--primary); flex-shrink: 0; }
.brand-strip-item strong { display: block; font-size: 0.88rem; font-weight: 700; color: var(--text-primary); }
.brand-strip-item span { display: block; font-size: 0.78rem; color: var(--text-secondary); margin-top: 1px; }

/* ===== Showcase Section ===== */
.showcase-section { padding: 80px 0; background: var(--bg-gray); }
.showcase-header { text-align: center; margin-bottom: 48px; }
.showcase-header h2 { font-size: 1.8rem; font-weight: 800; color: var(--text-primary); margin-bottom: 10px; }
.showcase-header p { font-size: 0.92rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }
.showcase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.showcase-card { background: var(--bg-white); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.showcase-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.showcase-card-img { position: relative; width: 100%; height: 200px; overflow: hidden; }
.showcase-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.showcase-card:hover .showcase-card-img img { transform: scale(1.1); }
.showcase-card-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(230,81,0,0.8); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.showcase-card:hover .showcase-card-overlay { opacity: 1; }
.showcase-card-overlay span { color: #fff; font-size: 0.9rem; font-weight: 700; border: 2px solid #fff; padding: 8px 24px; border-radius: 25px; }
.showcase-card-body { padding: 18px; }
.showcase-card-tag { display: inline-block; font-size: 0.7rem; font-weight: 600; color: var(--primary); background: var(--primary-bg); padding: 2px 10px; border-radius: 10px; margin-bottom: 8px; }
.showcase-card-body h3 { font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.showcase-card-body p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; }
.showcase-btn-wrap { text-align: center; margin-top: 48px; }

/* ===== Strength Section ===== */
.strength-section { padding: 80px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.strength-header { text-align: center; margin-bottom: 48px; }
.strength-tag { display: inline-block; font-size: 0.8rem; font-weight: 700; color: var(--primary-light); letter-spacing: 4px; margin-bottom: 8px; }
.strength-header h2 { font-size: 1.8rem; font-weight: 800; color: #fff; margin: 0; }
.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.strength-card { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-lg); padding: 36px 20px; text-align: center; backdrop-filter: blur(10px); transition: var(--transition); }
.strength-card:hover { background: rgba(255,255,255,0.15); transform: translateY(-6px); }
.strength-card-front { color: #fff; }
.strength-card-front i { font-size: 2.2rem; color: var(--primary-light); margin-bottom: 12px; display: block; }
.strength-card-front h3 { font-size: 2rem; font-weight: 800; margin-bottom: 4px; }
.strength-card-front p { font-size: 0.82rem; opacity: 0.7; }

/* ===== About Full Section ===== */
.about-full-section { padding: 80px 0; background: var(--bg-white); }
.about-full-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-full-tag { display: inline-block; font-size: 0.8rem; font-weight: 700; color: var(--primary); letter-spacing: 4px; margin-bottom: 12px; }
.about-full-text h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 20px; color: var(--text-primary); }
.about-full-desc { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.9; margin-bottom: 28px; }
.about-full-visual { position: relative; }
.about-full-visual img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
.about-full-exp { position: absolute; bottom: -16px; left: -16px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-radius: var(--radius); padding: 16px 24px; text-align: center; box-shadow: var(--shadow-hover); }
.about-full-exp-num { display: block; font-size: 1.6rem; font-weight: 800; line-height: 1; }
.about-full-exp span:last-child { font-size: 0.78rem; opacity: 0.9; }

/* ===== Workflow Section ===== */
.workflow-section { padding: 80px 0; background: var(--bg-gray); }
.workflow-header { text-align: center; margin-bottom: 56px; }
.workflow-header p { font-size: 0.92rem; color: var(--text-secondary); margin-top: 8px; }
.workflow-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.workflow-track::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 2px; background: linear-gradient(to right, var(--primary), var(--primary-light)); opacity: 0.3; }
.workflow-step { text-align: center; position: relative; }
.workflow-step-num { width: 80px; height: 80px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; background: var(--bg-white); border: 3px solid var(--primary); border-radius: 50%; font-size: 1.4rem; font-weight: 800; color: var(--primary); position: relative; z-index: 1; }
.workflow-step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.workflow-step p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; max-width: 200px; margin: 0 auto; }

/* ===== Updates Section ===== */
.updates-section { padding: 80px 0; background: var(--bg-white); }
.updates-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.updates-top h2 { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }
.updates-more { font-size: 0.85rem; font-weight: 600; color: var(--primary); text-decoration: none; }
.updates-list { display: flex; flex-direction: column; gap: 16px; }
.updates-item { display: flex; align-items: flex-start; gap: 24px; padding: 20px 24px; background: var(--bg-gray); border-radius: var(--radius); text-decoration: none; transition: var(--transition); }
.updates-item:hover { background: var(--primary-bg); transform: translateX(4px); }
.updates-date { flex-shrink: 0; font-size: 0.82rem; color: var(--text-light); min-width: 90px; padding-top: 2px; }
.updates-content { flex: 1; }
.updates-content h3 { font-size: 0.92rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.updates-content p { font-size: 0.82rem; color: var(--text-secondary); }
.updates-arrow { flex-shrink: 0; font-size: 1.2rem; color: var(--primary); opacity: 0; transition: var(--transition); padding-top: 2px; }
.updates-item:hover .updates-arrow { opacity: 1; }

/* ===== CTA Band ===== */
.cta-band { padding: 80px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.cta-band-inner { text-align: center; color: #fff; }
.cta-band-inner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.cta-band-inner p { font-size: 1rem; opacity: 0.8; margin-bottom: 32px; }
.cta-band-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-band-btns .btn-outline-light { background: transparent; border: 2px solid rgba(255,255,255,0.5); color: #fff; }
.cta-band-btns .btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .brand-strip-grid { grid-template-columns: repeat(2, 1fr); }
    .showcase-grid { grid-template-columns: repeat(2, 1fr); }
    .strength-grid { grid-template-columns: repeat(2, 1fr); }
    .about-full-grid { grid-template-columns: 1fr; gap: 40px; }
    .workflow-track { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-carousel { height: 70vh; min-height: 420px; }
    .carousel-arrows { display: none; }
    .slide-title { font-size: 1.8rem; }
    .slide-desc { font-size: 0.92rem; }
    .materials-grid { grid-template-columns: 1fr 1fr; }
    .prod-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .news-grid-home { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-cell:not(:last-child)::after { display: none; }
    .brand-strip-grid { grid-template-columns: 1fr; }
    .showcase-grid { grid-template-columns: 1fr; }
    .strength-grid { grid-template-columns: repeat(2, 1fr); }
    .about-full-grid { grid-template-columns: 1fr; }
    .about-full-exp { left: 10px; bottom: 10px; }
    .workflow-track { grid-template-columns: 1fr; }
    .workflow-track::before { display: none; }
    .updates-item { flex-direction: column; gap: 8px; }
    .updates-date { min-width: auto; }
}

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






/* ===== 幻灯片二维码 ===== */
.slide-qr {
    position: absolute;
    left: calc(50% + 560px);
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 20;
}
.slide-qr img {
    width: 170px;
    height: 170px;
    display: block;
    border-radius: 8px;
    border: 3px solid #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    background: #fff;
    padding: 6px;
}
.slide-qr p {
    margin-top: 6px;
    font-size: 0.8rem;
    color: #fff;
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}
@media (max-width: 1200px) {
    .slide-qr {
        left: calc(50% + 340px);
    }
    .slide-qr img {
        width: 135px;
        height: 135px;
    }
}
@media (max-width: 768px) {
    .slide-qr {
        left: auto;
        right: 10px;
        top: auto;
        bottom: 20px;
        transform: none;
    }
    .slide-qr img {
        width: 80px;
        height: 80px;
        padding: 4px;
    }
    .slide-qr p {
        display: none;
    }
}