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

:root {
    --primary: #1a3c6e;
    --primary-light: #2a5aa0;
    --primary-dark: #0f2847;
    --accent: #c8a45c;
    --accent-light: #dfc07a;
    --red: #c41a1a;
    --text: #2c2c2c;
    --text-light: #5a5a5a;
    --text-lighter: #999;
    --bg: #fff;
    --bg-light: #f6f8fb;
    --bg-dark: #0f1e33;
    --border: #e4e8ee;
    --shadow: 0 2px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --radius: 4px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --transition: 0.3s ease;
    --content-width: 80%;
    --max-width: 1400px;
}

a, button, input, select, textarea, img {
    transition: all var(--transition);
}

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

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

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

.container {
    width: var(--content-width);
    max-width: var(--max-width);
    margin: 0 auto;
    box-sizing: border-box;
    padding-left: 0;
    padding-right: 0;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    letter-spacing: 1px;
}

.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(200,164,92,0.4);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26,60,110,0.25);
}

.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.zoom-in {
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.zoom-in.visible {
    opacity: 1;
    transform: scale(1);
}

.stagger-1 { transition-delay: 0.1s !important; }
.stagger-2 { transition-delay: 0.2s !important; }
.stagger-3 { transition-delay: 0.3s !important; }
.stagger-4 { transition-delay: 0.4s !important; }
.stagger-5 { transition-delay: 0.5s !important; }
.stagger-6 { transition-delay: 0.6s !important; }

.fullpage-nav {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: none;
}

body.home-page .fullpage-nav {
    display: block;
}

.fullpage-nav-inner {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 12px;
    background: rgba(255,255,255,0.1);
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.fullpage-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.fullpage-dot:hover {
    background: var(--primary-light);
    transform: scale(1.2);
}

.fullpage-dot.active {
    background: var(--primary);
    transform: scale(1.3);
    box-shadow: 0 0 0 4px rgba(26,60,110,0.2);
}

.scroll-hint {
    cursor: pointer;
}

.scroll-hint:hover {
    opacity: 0.8;
}

.scroll-hint:hover span {
    transform: translateY(4px);
}

.no-data {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-lighter);
    font-size: 1.1rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.4s ease;
}

.header.scrolled {
    background: #fff;
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
}

.header-inner {
    width: var(--content-width);
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo a {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: 3px;
    display: flex;
    align-items: center;
    transition: color 0.4s ease;
}

.header.scrolled .logo a {
    color: var(--primary);
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
    transition: filter 0.4s ease;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav > a,
.nav-dropdown > a {
    color: var(--text);
    padding: 10px 22px;
    font-size: 1.5rem;
    border-radius: var(--radius);
    transition: all 0.25s ease;
    white-space: nowrap;
    position: relative;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.nav > a:hover,
.nav-dropdown > a:hover {
    color: #fff;
    background: var(--primary);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    min-width: 160px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 100;
    border: 1px solid rgba(0,0,0,0.04);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #fff;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 22px;
    color: var(--text);
    font-size: 1.2rem;
    text-align: center;
    transition: all 0.2s ease;
    position: relative;
}

.dropdown-menu a:hover {
    background: var(--primary);
    color: #fff;
}

.dropdown-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--accent);
    border-radius: 0 2px 2px 0;
    transition: height 0.2s ease;
}

.dropdown-menu a:hover::before {
    height: 60%;
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1a1a1a;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

.section-banner {
    position: relative;
    padding: 0;
    min-height: 100vh;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100vh;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.banner-slide.active {
    opacity: 1;
}

.banner-overlay {
    position: absolute;
    inset: 0;
    /* background: linear-gradient(135deg, rgba(15,40,71,0.75) 0%, rgba(26,60,110,0.35) 100%); */
    display: flex;
    align-items: center;
}

.banner-title {
    font-size: 2.9rem;
    width: 90%;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 6px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 0px rgb(255 255 255 / 92%);
}

.banner-indicator {
    position: absolute;
    bottom: 150px;
    left: 20%;
    transform: translateX(-50%);
    gap: 20px;
    z-index: 10;
}

.banner-dots {
    display: flex;
    gap: 8px;
}

.banner-dots .dot {
    width: 32px;
    height: 8px;
    border-radius: 2px;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all var(--transition);
}

.banner-dots .dot:hover {
    background: rgba(255,255,255,0.5);
}

.banner-dots .dot.active {
    background: var(--accent);
    width: 48px;
    height: 8px;
}

.banner-counter {
    display: flex;
    align-items: baseline;
    gap: 4px;
    color: #fff;
    font-family: 'Georgia', serif;
}

.counter-current {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 2px 2px 0px rgb(255 255 255 / 92%);
}

.counter-divider {
    font-size: 1.2rem;
    opacity: 0.5;
}

.counter-total {
    font-size: 1.2rem;
    opacity: 0.6;
}

.scroll-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    text-align: center;
    z-index: 10;
    animation: bounce 2s infinite;
}

.arrow-down {
    display: block;
    width: 20px;
    height: 20px;
    margin: 8px auto 0;
    border-right: 2px solid rgba(255,255,255,0.6);
    border-bottom: 2px solid rgba(255,255,255,0.6);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.animate-fade-up {
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.3s;
    opacity: 0;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 48px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
    width: 100%;
    max-width: 100%;
}

.section-header h2 {
    font-size: 2.2rem;
    color: var(--primary);
    position: relative;
    padding-left: 20px;
    letter-spacing: 2px;
    max-width: 100%;
}

.section-header h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 70%;
    background: linear-gradient(180deg, var(--accent), var(--primary));
    border-radius: 3px;
}

.more-link {
    color: #000;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.more-link:hover {
    color: var(--accent);
    letter-spacing: 4px;
    transform: translateX(4px);
}

.section-news {
    background: var(--bg-light);
    padding: 100px 0;
    overflow: hidden;
    width: 100%;
    max-width: 100vw;
}

.news-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    width: 100%;
    max-width: 100%;
}

.news-left {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}

.news-right {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.news-list {
    width: 100%;
    max-width: 100%;
}

.news-carousel {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 16/10;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.news-carousel-item {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.news-carousel-item.active {
    opacity: 1;
}

.news-carousel-item a {
    display: block;
    width: 100%;
    height: 100%;
}

.news-carousel-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.news-carousel-item:hover .news-carousel-img {
    transform: scale(1.08);
}

.news-carousel-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
    box-sizing: border-box;
    max-width: 100%;
}

.news-carousel-info h3 {
    font-size: 1.2rem;
    margin-top: 8px;
    word-break: break-word;
    overflow-wrap: break-word;
}

.news-carousel-dots {
    position: absolute;
    bottom: 16px;
    right: 16px;
    display: flex;
    gap: 8px;
    z-index: 10;
    max-width: calc(100% - 32px);
}

.news-carousel-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition);
}

.news-carousel-dots .dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.news-carousel-dots .dot.active {
    background: var(--accent);
    width: 24px;
    border-radius: 5px;
}

.news-cat-tag {
    display: inline-block;
    padding: 2px 10px;
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    border-radius: 2px;
    flex-shrink: 0;
}

.news-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 8px;
    width: 100%;
    max-width: 100%;
}

.news-tab {
    padding: 8px 10px;
    background: transparent;
    border: none;
    font-size: 1.3rem;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    font-weight: 500;
    white-space: nowrap;
}

.news-tab:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

.news-tab.active {
    color: var(--primary);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

.news-item {
    display: flex;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
    gap: 16px;
    width: 100%;
    max-width: 100%;
}

.news-item:hover {
    padding-left: 12px;
    background: rgba(26,60,110,0.03);
    border-bottom-color: var(--primary-light);
}

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

.news-date {
    color: var(--text-lighter);
    font-size: 0.85rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.news-item .news-title {
    flex: 1;
    font-size: 1.2rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.section-projects {
    padding: 100px 0;
}

.section-projects .section-header {
    flex-wrap: wrap;
    gap: 16px;
}

.project-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.project-tab {
    padding: 8px 22px;
    background: none;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.25s ease;
    font-weight: 500;
}

.project-tab:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    background: rgba(26,60,110,0.04);
    transform: translateY(-2px);
}

.project-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(26,60,110,0.25);
}

.project-overlay {
    margin-top: 8px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

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

.project-img {
    aspect-ratio: 16/10;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 40%, rgba(15,40,71,0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    color: #fff;
    transition: all var(--transition);
}

.project-card:hover .project-overlay {
    background: linear-gradient(transparent 20%, rgba(15,40,71,0.9) 100%);
}

.project-cat {
    display: inline-block;
    padding: 2px 10px;
    background: var(--accent);
    font-size: 0.75rem;
    border-radius: 2px;
    margin-bottom: 8px;
    width: fit-content;
}

.project-overlay h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.project-overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.section-about {
    background: var(--bg-dark);
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-about::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(200,164,92,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.section-about .section-header {
    border-bottom-color: rgba(255,255,255,0.15);
}

.section-about .section-header h2 {
    color: #fff;
}

.section-about .more-link {
    color: var(--accent);
}

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

.about-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.8);
    margin-bottom: 24px;
}

.about-text .btn-outline {
    color: #fff;
    border-color: var(--accent);
}

.about-text .btn-outline:hover {
    background: var(--accent);
    color: #fff;
}

.about-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-link-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s ease;
}

.about-link-card:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-6px) scale(1.03);
    border-color: var(--accent);
    box-shadow: 0 12px 35px rgba(0,0,0,0.25);
}

.about-link-card:hover h4 {
    color: var(--accent);
}

.about-link-card h4 {
    font-size: 1.2rem;
    color: #fff;
}

.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer h3 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.footer h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.footer-col a {
    display: block;
    padding: 6px 0;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.footer-col a:hover {
    color: var(--accent);
    padding-left: 8px;
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

.page-banner {
    height: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
    animation: pageBannerIn 0.8s ease;
}

@keyframes pageBannerIn {
    from {
        opacity: 0;
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.page-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,40,71,0.8), rgba(26,60,110,0.6));
    display: flex;
    align-items: center;
    animation: pageBannerOverlayIn 1s ease;
}

@keyframes pageBannerOverlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.page-banner h1 {
    color: #fff;
    font-size: 2.5rem;
    letter-spacing: 4px;
    animation: pageBannerTitleIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s both;
}

@keyframes pageBannerTitleIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-banner-slider {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.page-banner-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.page-banner-slide.active {
    opacity: 1;
}

.page-banner-dots {
    position: absolute;
    bottom: 20px;
    right: 30px;
    z-index: 10;
    display: flex;
    gap: 8px;
}

.page-banner-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.3s;
}

.page-banner-dots span.active {
    background: #fff;
    transform: scale(1.2);
}

.page-banner-simple {
    height: 280px;
}

.page-banner-simple::after {
    content: none;
}

.page-body {
    padding: 60px 0;
    min-height: calc(100vh - 430px);
    animation: pageBodyIn 0.6s ease 0.3s both;
}

@keyframes pageBodyIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-sidebar-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
}

.page-topbar-layout {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.page-topbar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 16px;
}

.page-topbar-header h2 {
    font-size: 1.6rem;
    color: var(--primary);
    margin: 0;
    white-space: nowrap;
    letter-spacing: 1px;
    position: relative;
    padding-left: 16px;
}

.page-topbar-header h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background-color: var(--accent);
    /* background: linear-gradient(180deg, var(--accent), var(--primary)); */
    border-radius: 2px;
}

.topbar-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.topbar-tabs a {
    padding: 8px 22px;
    font-size: 1.2rem;
    color: var(--text);
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: all var(--transition);
    font-weight: 500;
    animation: tabFadeIn 0.5s ease both;
}

.topbar-tabs a:nth-child(1) { animation-delay: 0.1s; }
.topbar-tabs a:nth-child(2) { animation-delay: 0.15s; }
.topbar-tabs a:nth-child(3) { animation-delay: 0.2s; }
.topbar-tabs a:nth-child(4) { animation-delay: 0.25s; }
.topbar-tabs a:nth-child(5) { animation-delay: 0.3s; }
.topbar-tabs a:nth-child(6) { animation-delay: 0.35s; }

@keyframes tabFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.topbar-tabs a:hover {
    background: rgba(26,60,110,0.1);
    color: var(--primary);
    transform: translateY(-1px);
}

.topbar-tabs a.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(26,60,110,0.3);
}

.topbar-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
    max-width: 400px;
}

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.page-topbar-content {
    min-height: 300px;
}

.page-center-layout {
    max-width: 900px;
    margin: 0 auto;
}

.page-sidebar {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: sticky;
    top: 90px;
    align-self: start;
}

.page-sidebar h3 {
    font-size: 1.2rem;
    color: var(--primary);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
    margin-bottom: 12px;
}

.sidebar-nav a {
    display: block;
    padding: 10px 16px;
    color: var(--text-light);
    font-size: 0.95rem;
    border-radius: var(--radius);
    transition: all var(--transition);
    margin-bottom: 2px;
}

.sidebar-nav a:hover {
    background: rgba(26,60,110,0.06);
    color: var(--primary);
    transform: translateX(4px);
}

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

.page-content-title {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

.page-content-desc {
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.company-intro {
    margin-bottom: 40px;
}

.company-intro-header {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.company-name-cn {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.company-name-en {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

.company-intro-body {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.intro-left {
    background: #f8f7f4;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.intro-left-header {
    margin-bottom: 0;
}

.intro-left .company-name-cn {
    font-size: 1.35rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

.intro-left .company-name-en {
    font-size: 1.15rem;
    color: #5b9bd5;
    margin-bottom: 16px;
}

.intro-divider {
    height: 2px;
    background: linear-gradient(90deg, #d4d0c8, transparent);
    width: 100%;
}

.intro-slogan {
    font-size: 1.05rem;
    color: #333;
    line-height: 1.9;
    font-weight: 400;
}

.stock-codes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 12px;
}

.stock-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stock-code {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2563a8;
    letter-spacing: 0.5px;
}

.stock-name {
    font-size: 0.82rem;
    color: #888;
}

.intro-right p {
    margin-bottom: 16px;
    line-height: 2;
    color: var(--text);
    text-align: justify;
    font-size: 0.95rem;
}

.company-showcase {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.showcase-img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    display: block;
}

.showcase-overlay {
    position: absolute;
    top: 50%;
    right: 60px;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    padding: 40px 48px;
    border-radius: var(--radius-xl);
    min-width: 320px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.company-showcase:hover .showcase-overlay {
    transform: translateY(-50%) translateX(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.showcase-top {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 8px;
}

.showcase-label {
    font-size: 1.3rem;
    color: #fff;
    font-weight: 400;
}

.showcase-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.showcase-subtitle {
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
    margin: 0 0 28px 0;
    padding-left: 2px;
}

.showcase-stats {
    display: flex;
    gap: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.showcase-stat {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

.stat-text {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.75);
    margin-top: 2px;
}

.intro-highlight {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.intro-stat {
    text-align: center;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    margin-top: 4px;
}

.intro-text p {
    margin-bottom: 16px;
    line-height: 1.8;
    text-indent: 2em;
}

.article-detail {
    margin-bottom: 32px;
}

.article-title {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--text-lighter);
    font-size: 0.9rem;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.article-image {
    margin-bottom: 24px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.article-image img {
    width: 100%;
    display: block;
}

.article-body {
    line-height: 1.8;
    font-size: 1.05rem;
}

.article-body p {
  margin-bottom: 16px;
  text-indent: 2em;
}

/* 关于我们正文精美排版（公司概况/品牌故事等富文本标题高亮） */
.article-body h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  margin: 30px 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--red);
}
.article-body h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin: 22px 0 12px;
}
.article-body strong { color: var(--red); font-weight: 600; }
.article-body ul, .article-body ol { margin: 0 0 16px 2em; line-height: 1.9; }
.article-body blockquote {
  margin: 18px 0;
  padding: 14px 20px;
  background: var(--bg-light);
  border-left: 4px solid var(--red);
  color: var(--text-secondary);
  font-style: italic;
}
.article-body img { max-width: 100%; height: auto; border-radius: 8px; }

/* 关于我们页：核心优势 / 核心数据 区块标题 */
.about-ext { margin-top: 8px; }
.about-ext-title {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  margin: 40px 0 28px;
  padding-left: 16px;
  border-left: 4px solid var(--red);
}
.about-ext-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-left: 16px;
}
.about-ext .advantage-card { margin-bottom: 0; }
.about-ext .stats-bar { margin-left: 0; margin-right: 0; }

.article-nav {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.news-list-page {
    display: flex;
    flex-direction: column;
}

.news-grid-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 40px;
}

.news-grid-item {
    display: block;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
    transition: all var(--transition);
}

.news-grid-item:hover {
    padding-left: 12px;
    background: rgba(26,60,110,0.02);
}

.news-grid-item:hover h3 {
    color: var(--primary);
}

.news-grid-item h3 {
    font-size: 2rem;
    font-weight: normal;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.6;
    transition: color var(--transition);
}

.news-grid-item .top-tag {
    margin-right: 6px;
}

.news-date {
    display: block;
    font-size: 1.2rem;
    color: #999;
}

.news-list-item {
    display: flex;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

.news-list-item:hover {
    padding-left: 12px;
    background: var(--bg-light);
    border-bottom-color: var(--primary-light);
}

.news-list-thumb {
    width: 200px;
    min-height: 130px;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius);
    flex-shrink: 0;
}

.news-list-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-list-body h3 {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 8px;
    transition: color var(--transition);
}

.news-list-item:hover .news-list-body h3 {
    color: var(--primary);
}

.top-tag {
    display: inline-block;
    padding: 1px 6px;
    background: #e74c3c;
    color: #fff;
    font-size: 0.7rem;
    border-radius: 2px;
    margin-right: 6px;
    vertical-align: middle;
}

.news-summary {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 8px;
    line-height: 1.6;
}

.news-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-lighter);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text);
    transition: all var(--transition);
}

.page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26,60,110,0.15);
}

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

.project-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-list-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.project-list-card-link:hover .project-list-card {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.project-list-card-link:hover .project-list-img {
    transform: scale(1.06);
}

.project-list-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    background: #fff;
}

.project-list-img {
    aspect-ratio: 16/10;
    background-size: cover;
    background-position: center;
    position: relative;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-list-overlay {
    position: absolute;
    top: 12px;
    left: 12px;
}

.project-list-overlay .project-cat {
    background: var(--accent);
    color: #fff;
    padding: 3px 10px;
    font-size: 0.75rem;
    border-radius: 2px;
}

.project-list-info {
    padding: 20px;
}

.project-list-info h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.project-list-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.job-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.job-card-link:hover .job-card {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px) scale(1.01);
}

.job-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.4s ease;
}

.job-header {
    padding: 20px 24px;
}

.job-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.job-title-row h3 {
    font-size: 1.5rem;
    color: var(--primary);
}

.job-salary {
    color: var(--accent);
    font-weight: 600;
    font-size: 1rem;
}

.job-meta {
    display: flex;
    gap: 20px;
    color: var(--text-lighter);
    font-size: 0.9rem;
}

.job-preview {
    padding: 0 24px 20px;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.job-section {
    margin-bottom: 16px;
}

.job-section h4 {
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.job-section p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.job-detail {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.job-detail-header {
    padding: 32px;
    border-bottom: 1px solid var(--border);
}

.job-detail-header h1 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.job-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.job-detail-meta strong {
    color: var(--text);
}

.job-detail-section {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border);
}

.job-detail-section h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 3px solid var(--accent);
}

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

.job-detail-apply {
    padding: 32px;
    text-align: center;
    background: var(--bg-light);
}

.apply-email-box {
    margin-bottom: 20px;
}

.apply-email-box p {
    color: var(--text-light);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.apply-email {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s;
}

.apply-email:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn-lg {
    padding: 16px 48px;
    font-size: 1.1rem;
}

.job-detail-nav {
    padding: 24px 32px;
    text-align: center;
}

.project-detail {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.project-detail-image {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.project-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-cat-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: var(--radius);
    font-size: 0.85rem;
}

/* 产品详情：多图相册 + 参数表 */
.project-detail-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: start;
    padding: 28px 28px 0;
}

.product-gallery-main {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fafafa;
}

.product-gallery-main img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.product-gallery-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.product-gallery-thumbs img {
    width: 72px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    opacity: .7;
    transition: all var(--transition);
}

.product-gallery-thumbs img:hover {
    opacity: 1;
}

.product-gallery-thumbs img.active {
    border-color: var(--red);
    opacity: 1;
}

.project-detail-info {
    padding-top: 8px;
}

.project-detail-info .project-detail-title {
    font-size: 26px;
    margin-bottom: 16px;
}

.product-params-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.product-params-table tr {
    border-bottom: 1px solid var(--border);
}

.product-params-table tr:last-child {
    border-bottom: none;
}

.product-params-table th {
    width: 32%;
    background: var(--bg-light);
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--text);
    font-size: 0.92rem;
    border-right: 1px solid var(--border);
}

.product-params-table td {
    padding: 12px 16px;
    color: var(--text-light);
    font-size: 0.92rem;
}

.product-manual-preview {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: 12px;
}

.product-manual-embed {
    width: 100%;
    height: 960px;
    display: block;
    background: #fafafa;
    border: none;
}

.product-manual-download {
    display: block;
    margin: 14px;
    text-align: center;
}

@media (max-width: 768px) {
    .product-manual-embed {
        height: 680px;
    }
}

.project-detail-info {
    padding: 28px 32px 0;
}

.project-detail-title {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 12px;
}

.project-detail-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    color: var(--text-light);
    font-size: 0.9rem;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.project-detail-section {
    padding: 24px 32px;
}

.project-detail-section h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 3px solid var(--primary);
}

.project-detail-content p {
    line-height: 2;
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.project-detail-body {
    margin-top: 16px;
    line-height: 1.8;
}

.project-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 12px 0;
}

@media (max-width: 1024px) {
    :root {
        --content-width: 90%;
    }

    .news-layout {
        grid-template-columns: 1fr;
        gap: 24px;
        width: 100%;
    }

    .news-left,
    .news-right {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }

    .about-preview {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .page-sidebar-layout {
        grid-template-columns: 200px 1fr;
        gap: 24px;
    }

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

    .nav > a,
    .nav-dropdown > a {
        font-size: 1.3rem;
        padding: 10px 16px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .banner-title {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    :root {
        --content-width: 92%;
    }

    .header-inner {
        height: 56px;
    }

    .logo a {
        font-size: 1.3rem;
        letter-spacing: 2px;
    }

    .logo-img {
        height: 34px;
    }

    .header.scrolled {
        background: #fff;
    }

    .header.scrolled .logo a {
        color: var(--primary);
    }

    .header.scrolled .nav-toggle span {
        background: var(--primary);
    }

    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        flex-direction: column;
        padding: 0;
        gap: 0;
        overflow-y: auto;
        z-index: 999;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        display: flex;
    }

    .nav.open {
        transform: translateX(0);
    }

    .nav > a,
    .nav-dropdown > a {
        padding: 14px 20px;
        border-bottom: 1px solid var(--border);
        width: 100%;
        color: var(--text);
        font-size: 1.2rem;
        text-align: left;
        display: flex;
        justify-content: flex-start;
        align-items: center;
    }

    .nav-dropdown {
        width: 100%;
    }

    .nav > a:hover,
    .nav-dropdown > a:hover {
        color: #fff;
        background: var(--primary);
    }

    .dropdown-menu {
        display: none !important;
    }

    .search-toggle {
        display: none;
    }

    .mobile-search-btn {
        display: flex;
    }

    .banner-title {
        font-size: 1.8rem;
        letter-spacing: 2px;
        width: 95%;
    }

    .banner-overlay .btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }

    .banner-indicator {
        bottom: 100px;
        left: 50%;
    }

    .counter-current {
        font-size: 1.4rem;
    }

    .counter-total,
    .counter-divider {
        font-size: 1rem;
    }

    .scroll-hint {
        bottom: 40px;
    }

    .section {
        min-height: auto;
    }

    .section-banner {
        min-height: 100vh;
    }

    .fullpage-nav {
        display: none !important;
    }

    .section-news,
    .section-projects,
    .section-about {
        padding: 48px 0;
    }

    .section-header {
        margin-bottom: 32px;
        padding-bottom: 16px;
        flex-wrap: wrap;
        gap: 12px;
        width: 100%;
    }

    .section-header h2 {
        font-size: 1.5rem;
        padding-left: 14px;
    }

    .more-link {
        font-size: 1.2rem;
    }

    .news-carousel {
        aspect-ratio: 16/9;
        border-radius: var(--radius-lg);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .news-left {
        width: 100%;
        overflow: hidden;
        max-width: 100%;
        box-sizing: border-box;
    }

    .news-carousel-info h3 {
        font-size: 1rem;
    }

    .news-carousel-info {
        padding: 16px;
    }

    .news-tab {
        font-size: 1.1rem;
        padding: 6px 8px;
    }

    .news-item {
        padding: 12px 0;
        gap: 12px;
    }

    .news-item .news-title {
        font-size: 1.1rem;
    }

    .news-date {
        font-size: 0.8rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .project-list-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .project-overlay h3 {
        font-size: 1.1rem;
    }

    .project-overlay p {
        font-size: 0.85rem;
    }

    .page-sidebar-layout {
        grid-template-columns: 1fr;
    }

    .page-sidebar {
        position: static;
        padding: 16px;
    }

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

    .page-topbar-header h2 {
        font-size: 1.4rem;
    }

    .topbar-tabs {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding-bottom: 4px;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    .topbar-tabs::-webkit-scrollbar {
        display: none;
    }

    .topbar-tabs a {
        padding: 8px 16px;
        font-size: 1.1rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .news-grid-list {
        grid-template-columns: 1fr;
    }

    .news-grid-item h3 {
        font-size: 1.5rem;
    }

    .news-grid-item .news-date {
        font-size: 1.1rem;
    }

    .jobs-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .job-title-row h3 {
        font-size: 1.3rem;
    }

    .job-salary {
        font-size: 0.9rem;
    }

    .job-meta {
        font-size: 0.85rem;
        gap: 12px;
        flex-wrap: wrap;
    }

    .project-detail-image {
        height: 220px;
    }

    .project-detail-layout {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 16px 16px 0;
    }

    .product-gallery-main img {
        height: 320px;
    }

    .project-detail-info,
    .project-detail-section {
        padding-left: 16px;
        padding-right: 16px;
    }

    .project-detail-title {
        font-size: 1.3rem;
    }

    .project-detail-meta {
        gap: 12px;
        font-size: 0.85rem;
    }

    .company-intro-body {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .intro-left {
        padding: 24px 20px;
    }

    .intro-left .company-name-cn {
        font-size: 1.2rem;
    }

    .intro-left .company-name-en {
        font-size: 1rem;
    }

    .intro-slogan {
        font-size: 0.95rem;
    }

    .stock-codes {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px 10px;
    }

    .stock-code {
        font-size: 1.1rem;
    }

    .stock-name {
        font-size: 0.78rem;
    }

    .intro-right p {
        font-size: 0.9rem;
        line-height: 1.8;
    }

    .showcase-overlay {
        position: static;
        transform: none;
        margin-top: -30px;
        margin-left: 16px;
        margin-right: 16px;
        min-width: auto;
        padding: 28px 24px;
    }

    .showcase-number {
        font-size: 2.8rem;
    }

    .showcase-label {
        font-size: 1.1rem;
    }

    .showcase-stats {
        gap: 20px;
        padding-top: 16px;
    }

    .stat-num {
        font-size: 1.2rem;
    }

    .stat-text {
        font-size: 0.75rem;
    }

    .showcase-img {
        height: 220px;
    }

    .company-showcase {
        display: flex;
        flex-direction: column;
    }

    .sidebar-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    .sidebar-nav a {
        padding: 6px 14px;
        font-size: 0.9rem;
    }

    .page-banner {
        height: 180px;
    }

    .page-banner h1 {
        font-size: 1.6rem;
        letter-spacing: 2px;
    }

    .page-banner-slider {
        height: 280px;
    }

    .page-body {
        padding: 32px 0;
    }

    .article-title {
        font-size: 1.4rem;
    }

    .article-meta {
        font-size: 0.85rem;
        gap: 10px;
    }

    .article-body {
        font-size: 1rem;
    }

    .job-detail-header {
        padding: 20px;
    }

    .job-detail-header h1 {
        font-size: 1.4rem;
    }

    .job-detail-meta {
        gap: 12px;
        font-size: 0.9rem;
    }

    .job-detail-section {
        padding: 20px;
    }

    .job-detail-apply {
        padding: 24px 20px;
    }

    .apply-email {
        font-size: 1.4rem;
    }

    .job-detail-nav {
        padding: 20px;
    }

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

    .news-list-thumb {
        width: 100%;
        min-height: 180px;
    }

    .news-list-body h3 {
        font-size: 1rem;
    }

    .intro-highlight {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .intro-stat {
        padding: 16px 12px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .footer {
        padding: 48px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer h3 {
        font-size: 1.2rem;
    }

    .footer h4 {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }

    .footer-col a {
        font-size: 0.85rem;
    }

    .footer-col p {
        font-size: 0.85rem;
    }

    .about-links {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .about-link-card {
        padding: 20px 16px;
    }

    .about-link-card h4 {
        font-size: 1.05rem;
    }

    .about-text p {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: 14px 36px;
        font-size: 1rem;
    }

    .pagination {
        gap: 6px;
        margin-top: 28px;
    }

    .page-btn {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    .search-modal-content {
        margin-top: 0;
        border-radius: 0;
        max-width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .search-modal-body {
        flex: 1;
        max-height: none;
    }

    .search-modal-header {
        padding: 12px 16px;
    }

    .search-input-wrapper input {
        padding: 12px 10px;
        font-size: 16px;
    }

    .company-showcase:hover .showcase-overlay {
        transform: none;
    }

    .fade-in,
    .fade-in-left,
    .fade-in-right,
    .fade-in-up,
    .zoom-in,
    .scale-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

@media (max-width: 480px) {
    :root {
        --content-width: 94%;
    }

    .banner-title {
        font-size: 1.4rem;
        letter-spacing: 1px;
    }

    .banner-overlay .btn {
        padding: 8px 20px;
        font-size: 0.85rem;
    }

    .banner-indicator {
        bottom: 80px;
    }

    .section-header h2 {
        font-size: 1.3rem;
    }

    .section-news,
    .section-projects,
    .section-about {
        padding: 36px 0;
    }

    .news-carousel {
        aspect-ratio: 4/3;
        border-radius: var(--radius);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .news-carousel-info {
        padding: 12px;
    }

    .news-carousel-info h3 {
        font-size: 0.9rem;
    }

    .news-carousel-dots {
        bottom: 10px;
        right: 10px;
        gap: 6px;
    }

    .news-carousel-dots .dot {
        width: 8px;
        height: 8px;
    }

    .news-carousel-dots .dot.active {
        width: 18px;
    }

    .intro-highlight {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .about-links {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .about-link-card {
        padding: 16px 14px;
    }

    .about-link-card h4 {
        font-size: 0.95rem;
    }

    .page-banner {
        height: 150px;
    }

    .page-banner h1 {
        font-size: 1.3rem;
    }

    .page-banner-slider {
        height: 220px;
    }

    .article-title {
        font-size: 1.2rem;
    }

    .job-title-row h3 {
        font-size: 1.15rem;
    }

    .project-detail-image {
        height: 180px;
    }

    .showcase-img {
        height: 180px;
    }

    .showcase-overlay {
        padding: 20px 18px;
        margin-top: -20px;
        margin-left: 12px;
        margin-right: 12px;
    }

    .showcase-number {
        font-size: 2.2rem;
    }

    .showcase-label {
        font-size: 1rem;
    }

    .showcase-subtitle {
        font-size: 0.85rem;
        margin-bottom: 20px;
    }

    .showcase-stats {
        gap: 14px;
        padding-top: 12px;
    }

    .stat-num {
        font-size: 1rem;
    }

    .stat-text {
        font-size: 0.7rem;
    }

    .footer {
        padding: 36px 0 0;
    }

    .footer-bottom {
        padding: 16px 0;
        font-size: 0.8rem;
    }

    .btn {
        padding: 8px 20px;
    }

    .btn-lg {
        padding: 12px 28px;
        font-size: 0.95rem;
    }
}

.search-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}

.search-toggle:hover {
    color: var(--accent);
}

.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: flex-start;
    justify-content: center;
}

.search-modal.active {
    display: flex;
}

.search-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.search-modal-content {
    position: relative;
    width: 100%;
    max-width: 680px;
    margin-top: 120px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: searchModalIn 0.3s ease;
}

@keyframes searchModalIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-modal-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
}

.search-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    background: #f5f7fa;
    border-radius: 8px;
    padding: 0 16px;
}

.search-input-wrapper svg {
    color: #999;
    flex-shrink: 0;
}

.search-input-wrapper input {
    flex: 1;
    border: none;
    background: none;
    padding: 14px 12px;
    font-size: 1rem;
    outline: none;
}

.search-input-wrapper input::placeholder {
    color: #999;
}

.search-clear {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    padding: 4px 8px;
    display: none;
}

.search-clear.visible {
    display: block;
}

.search-close {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background var(--transition);
}

.search-close:hover {
    background: #f5f7fa;
}

.search-modal-body {
    max-height: 60vh;
    overflow-y: auto;
}

.search-hot {
    padding: 20px;
}

.search-hot h4 {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 12px;
    font-weight: 500;
}

.search-hot-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.search-tag {
    padding: 6px 14px;
    background: #f5f7fa;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary);
    cursor: pointer;
    transition: all var(--transition);
}

.search-tag:hover {
    background: var(--accent);
    color: #fff;
}

.search-results {
    padding: 0;
}

.search-results-empty {
    padding: 40px 20px;
    text-align: center;
    color: #999;
}

.search-results-loading {
    padding: 40px 20px;
    text-align: center;
    color: #999;
}

.search-result-group {
    border-top: 1px solid var(--border);
}

.search-result-group:first-child {
    border-top: none;
}

.search-result-group-title {
    padding: 12px 20px;
    font-size: 0.85rem;
    color: #999;
    background: #fafbfc;
    font-weight: 500;
}

.search-result-item {
    display: block;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
    text-decoration: none;
    color: inherit;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: #f5f7fa;
}

.search-result-title {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 4px;
    font-weight: 500;
}

.search-result-title mark {
    background: #fff3cd;
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}

.search-result-meta {
    font-size: 0.85rem;
    color: #999;
}

.search-result-meta span {
    margin-right: 12px;
}

.search-no-result {
    padding: 40px 20px;
    text-align: center;
    color: #999;
}


/* ============================================================ */
/* flame.css 主题覆盖样式（已合并入 style.css，保持后加载以覆盖同名规则） */
/* ============================================================ */

/* ============================================================
   FLAME TECH 烈焰环境 新版主题
   覆盖 assets/css/style.css 的变量实现整体换肤，并新增
   首页设计稿板块 / 顶部条 / 页脚 / 侧边栏 / 产品中心 / 解决方案 等样式
   ============================================================ */

/* ---------- 换肤：将系统蓝色主题切换为烈焰红 ---------- */
:root {
  --primary: #E4393C;
  --primary-light: #FF5252;
  --primary-dark: #C62828;
  --accent: #E4393C;
  --accent-light: #FF5252;
  --red: #E4393C;
  --red-dark: #C62828;
  --red-light: #FF5252;
  --bg: #FFFFFF;
  --bg-light: #F7F8FA;
  --bg-dark: #2C2C2C;
  --text: #222222;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #ECECEC;
  --border-dark: #DDDDDD;
}

html { scroll-behavior: smooth; }
body { background: #fff; color: #222; }

.container { width: 100%; max-width: 1400px; padding: 0 40px; }
a { text-decoration: none; }
a:hover { color: var(--red); }

/* ===== 顶部公告条 ===== */
.top-bar {
  background: #F5F5F5;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
}
.top-bar-left { display: flex; align-items: center; gap: 6px; }
.top-bar-right { display: flex; align-items: center; gap: 20px; }
.top-bar-right a { transition: color .2s; }
.top-bar-right a.active { color: var(--red); }

/* ===== 导航栏（叠加设计稿样式） ===== */
.header { background: #fff; border-bottom: 1px solid var(--border); box-shadow: 0 1px 4px rgba(0,0,0,.04); }
.header-inner { height: 84px !important; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo a { display: flex; align-items: center; gap: 12px; }
.logo img { height: 52px; width: auto; }
.logo-img { max-height: 52px; width: auto; }
.logo-tag {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 12px;
  padding-left: 16px;
  border-left: 1px solid var(--border-dark);
  line-height: 1.5;
}
.header-phone { display: flex; align-items: center; gap: 10px; }
.header-phone svg { width: 20px; height: 20px; stroke: var(--red); fill: none; stroke-width: 2; }
.header-phone-text { display: flex; flex-direction: column; line-height: 1.3; }
.header-phone-label { font-size: 11px; color: var(--text-muted); }
.header-phone-num { font-size: 18px; font-weight: 700; color: var(--red); }

/* ===== 导航栏（设计稿：一级菜单，无二级下拉） ===== */
.nav { gap: 0; }
.nav > a,
.nav-dropdown > a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 6px 18px;
  background: transparent;
  border-radius: 0;
  letter-spacing: 0.5px;
}
.nav > a:hover,
.nav > a.active,
.nav-dropdown > a:hover {
  color: var(--red);
  background: transparent;
}

/* ===== 首屏轮播：直接复刻参考模板样式（img 全图 + 图遮罩 + 底部文字条 + 左右箭头 + 圆形点） ===== */
/* 图片包裹层：全图填充、水平垂直居中 */
.banner-img-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111;
}
.banner-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  -webkit-user-drag: none;
  user-select: none;
  -webkit-touch-callout: none;
}
/* 黑色半透明遮罩，避免高光影响导航栏可读性 */
.banner-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,.35) 0%, rgba(0,0,0,.15) 30%, rgba(0,0,0,.15) 70%, rgba(0,0,0,.35) 100%);
  z-index: 1;
  pointer-events: none;
}
/* 底部文字条：主题红色半透明压暗 */
.banner-text-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  background: rgba(196,26,26,.78);
  padding: 28px 7% 50px;
}
.banner-text-inner { max-width: 70%; }
.banner-text-title {
  font-size: 1.8rem;
  color: #fff;
  font-weight: 600;
  letter-spacing: 4px;
  line-height: 1.4;
  margin: 0 0 10px 0;
}
.banner-text-desc {
  font-size: .92rem;
  color: rgba(255,255,255,.75);
  line-height: 1.8;
  letter-spacing: 1px;
  margin: 0;
}
.banner-dots {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 12px;
  z-index: 10;
}
.banner-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  border: none;
  padding: 0;
}
.banner-dots .dot:hover { background: rgba(255,255,255,.7); }
.banner-dots .dot.active {
  background: #fff;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: scale(1.2);
}

/* ===== 轮播图响应式（对齐参考模板断点） ===== */
@media (max-width: 1024px) {
  .banner-text-title { font-size: 1.5rem; }
  .banner-text-desc { font-size: .88rem; }
  .banner-text-inner { max-width: 80%; }
}
@media (max-width: 640px) {
  .banner-text-bar { padding: 18px 7% 46px; }
  .banner-text-title { font-size: 1.15rem; letter-spacing: 1px; }
  .banner-text-desc { font-size: .78rem; line-height: 1.5; }
  .banner-text-inner { max-width: 95%; }
}

/* ===== 核心数据条 ===== */
.stats-bar { background: var(--red); }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 32px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,.15); color: #fff; }
.stat-item:last-child { border-right: none; }
.stat-num { font-size: 38px; font-weight: 900; line-height: 1.2; margin-bottom: 6px; }
.stat-num .unit { font-size: 18px; font-weight: 500; margin-left: 2px; }
.stat-label { font-size: 14px; opacity: .9; letter-spacing: 1px; }

/* ===== 统一板块标题 ===== */
.section-header { margin-bottom: 50px; }
.section-header-left { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.section-header-bar { width: 4px; height: 36px; background: var(--red); flex-shrink: 0; margin-top: 6px; }
.section-header-titles { flex: 1; }
.section-title { font-size: 32px; font-weight: 700; color: var(--text); letter-spacing: 1px; line-height: 1.3; }
/* 修复首页板块标题两条红线问题：style.css 的 .section-header h2::before 与
   .section-header-bar 同时产生红色竖线，故禁用伪元素；同时覆盖旧主题的 h2 字号样式
   （.section-header h2 优先级高于 .section-title） */
.section-header h2::before { display: none !important; }
.section-header h2.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  line-height: 1.3;
  padding-left: 0;
  margin-bottom: 0;
}
.section-title-en { font-size: 13px; color: var(--text-muted); letter-spacing: 3px; text-transform: uppercase; margin-top: 4px; font-weight: 400; }
.section-desc { font-size: 15px; color: var(--text-secondary); max-width: 900px; line-height: 1.9; padding-left: 20px; }
.section-desc .highlight { color: var(--red); font-weight: 500; }

.btn-red {
  display: inline-block; padding: 10px 36px;
  background: var(--red); color: #fff; font-size: 14px; font-weight: 500;
  border-radius: 4px; transition: background .2s; letter-spacing: 1px;
}
.btn-red:hover { background: var(--red-dark); color: #fff; }

/* ===== 产品中心（首页板块） ===== */
.product-center { padding: 80px 0; background: var(--bg-light); }
/* 头部：标题左侧、分类选项卡右侧，二者都在整行分隔线上方且同排 */
.pc-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--border);
}
/* 分隔线移到 .pc-header 整行，内层标题块自身不再带分隔线，且不占满整行 */
.pc-header .section-header { margin-bottom: 0; padding-bottom: 0; border-bottom: none; width: auto; }
/* 分类选项卡：单行、右对齐，位于分隔线上方 */
.pc-tabs { display: flex; gap: 12px; flex-wrap: nowrap; }
.pc-tab {
  display: inline-block; text-decoration: none;
  padding: 12px 32px; border: 1px solid var(--border-dark); background: #fff;
  color: var(--text-secondary); font-size: 15px; font-weight: 500; cursor: pointer;
  transition: all .25s; letter-spacing: 1px;
  white-space: nowrap;
}
.pc-tab:hover { border-color: var(--red); color: var(--red); }
.pc-tab.active { background: var(--red); border-color: var(--red); color: #fff; }
.pc-body { display: flex; }
.pc-intro {
  width: 26%; flex-shrink: 0; background: var(--red); color: #fff;
  padding: 48px 36px; display: flex; flex-direction: column; justify-content: center;
}
.pc-intro h3 { font-size: 24px; font-weight: 700; margin-bottom: 16px; letter-spacing: 1px; }
.pc-intro-line { width: 40px; height: 3px; background: #fff; margin-bottom: 24px; }
.pc-intro p { font-size: 14px; line-height: 2; color: rgba(255,255,255,.92); }
.pc-grid-wrap { flex: 1; background: #fff; }
.pc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.pc-item {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  transition: all .3s;
  margin: -1px 0 0 -1px;
}
.pc-item:hover {
  background: #fff;
  transform: none;
  box-shadow: 0 12px 32px rgba(0,0,0,.12);
  z-index: 2;
  position: relative;
}
.pc-item-img { width: 100%; height: 320px; overflow: hidden; display: block; background: var(--bg-light); }
.pc-item-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .5s;
}
.pc-item:hover .pc-item-img img { transform: scale(1.05); }
.pc-item-name { font-size: 18px; font-weight: 700; color: var(--text); line-height: 1.4; padding: 22px 24px 0; }
.pc-item:hover .pc-item-name { color: var(--red); }
.pc-item-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; padding: 10px 24px 26px; }

/* ===== 核心优势 / 环境解决方案 ===== */
.advantages { padding: 80px 0; background: var(--bg-light); }
.advantages-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.advantage-card {
  position: relative; padding: 40px 32px; text-align: center; overflow: hidden;
  min-height: 320px; display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.advantage-card-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .6s ease; }
.advantage-card:hover .advantage-card-bg { transform: scale(1.08); }
.advantage-card-overlay { position: absolute; inset: 0; background: rgba(15,15,15,.42); transition: background .3s ease; }
.advantage-card:hover .advantage-card-overlay { background: rgba(15,15,15,.78); }
.advantage-icon {
  width: 68px; height: 68px; margin: 0 auto 24px; display: flex; align-items: center; justify-content: center;
  border: 2px solid rgba(255,255,255,.5); border-radius: 50%; position: relative; z-index: 2; transition: border-color .3s;
}
.advantage-card:hover .advantage-icon { border-color: var(--red-light); }
.advantage-icon svg { width: 32px; height: 32px; stroke: #fff; fill: none; stroke-width: 1.8; transition: stroke .3s; }
.advantage-card:hover .advantage-icon svg { stroke: var(--red-light); }
.advantage-title { font-size: 19px; font-weight: 700; margin-bottom: 14px; color: #fff; position: relative; z-index: 2; transition: font-size .2s; }
.advantage-card:hover .advantage-title { font-size: 23px; }
.advantage-desc { font-size: 14px; color: rgba(255,255,255,.85); line-height: 1.9; position: relative; z-index: 2; transition: font-size .2s; }
.advantage-card:hover .advantage-desc { font-size: 18px; }

/* ===== 应用案例 ===== */
.cases { padding: 80px 0; }
.cases-masonry {
  display: grid;
  grid-template-columns: 5fr 3.5fr 3.5fr;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
  height: 620px;
  margin-bottom: 16px;
}
.cases-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; height: 300px; }
.case-item { position: relative; overflow: hidden; cursor: pointer; color: inherit; }
.case-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; display: block; }
.case-item:hover img { transform: scale(1.05); }
.case-item::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.6) 0%, transparent 50%); }
.case-item-label { position: absolute; bottom: 28px; left: 28px; z-index: 2; color: #fff; }
.case-item-label h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; letter-spacing: 1px; }
.case-item-label .line { width: 36px; height: 3px; background: var(--red); }
.case-item-1 { grid-column: 1; grid-row: 1 / span 2; }
.case-item-2 { grid-column: 2 / span 2; grid-row: 1; }
.case-item-3 { grid-column: 2; grid-row: 2; }
.case-item-4 { grid-column: 3; grid-row: 2; }

/* ===== 首页行业资讯 ===== */
.home-news { padding: 80px 0; background: var(--bg-light); }
.home-news-list { display: flex; flex-direction: column; gap: 32px; }
.home-news-item {
  position: relative; display: flex; gap: 36px; background: #fff; border: 1px solid var(--border);
  overflow: hidden; transition: box-shadow .3s, transform .3s; color: inherit;
}
.home-news-item::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; z-index: 2;
  background: var(--red); transform: scaleY(0); transform-origin: top; transition: transform .3s;
}
.home-news-item:hover { box-shadow: 0 16px 36px rgba(196,26,26,.14); transform: translateY(-5px); }
.home-news-item:hover::before { transform: scaleY(1); }
.home-news-item:hover .home-news-title { color: var(--red); }
.home-news-img { width: 380px; flex-shrink: 0; background: #EEE; overflow: hidden; }
.home-news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.home-news-item:hover .home-news-img img { transform: scale(1.08); }
.home-news-content { flex: 1; padding: 36px 36px 36px 0; display: flex; flex-direction: column; justify-content: center; }
.home-news-date { font-size: 14px; color: var(--red); font-weight: 500; margin-bottom: 12px; }
.home-news-title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 14px; line-height: 1.5; transition: color .2s; }
.home-news-excerpt { font-size: 15px; color: var(--text-secondary); line-height: 1.9; margin-bottom: 18px; }
.home-news-more { font-size: 14px; color: var(--red); font-weight: 500; }
.home-news-more svg { width: 16px; height: 16px; stroke: var(--red); fill: none; stroke-width: 2; vertical-align: -2px; transition: transform .3s; }
.home-news-item:hover .home-news-more svg { transform: translateX(5px); }

/* ===== 联系我们 ===== */
.contact { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.contact-card { background: #fff; border: 1px solid var(--border); padding: 48px 28px; text-align: center; transition: all .3s; }
.contact-card:hover { border-color: var(--red); box-shadow: 0 8px 28px rgba(0,0,0,.07); }
.contact-icon {
  width: 68px; height: 68px; margin: 0 auto 24px; background: rgba(228,57,60,.08);
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
}
.contact-icon svg { width: 32px; height: 32px; stroke: var(--red); fill: none; stroke-width: 1.8; }
.contact-label { font-size: 18px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.contact-value { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

/* ===== 页脚 ===== */
.footer { background: #2C2C2C; color: rgba(255,255,255,.7); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 44px; }
.footer-brand .logo img { height: 44px; }
.footer-brand-desc { font-size: 14px; line-height: 1.9; margin-top: 24px; max-width: 340px; color: rgba(255,255,255,.5); }
.footer-col-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 24px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 14px; padding: 0; margin: 0; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.5); transition: color .2s; }
.footer-links a:hover { color: var(--red-light); }
.footer-contact-item { font-size: 14px; color: rgba(255,255,255,.5); margin-bottom: 14px; line-height: 1.8; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); line-height: 1.8; }

/* ===== 右侧固定客服栏 ===== */
.side-bar {
  position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 999;
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--border); border-right: none; box-shadow: -2px 2px 12px rgba(0,0,0,.08);
}
.side-bar-item {
  width: 68px; padding: 16px 8px; text-align: center; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: all .2s; display: flex; flex-direction: column; align-items: center; gap: 6px; color: inherit;
}
.side-bar-item:last-child { border-bottom: none; }
.side-bar-item:hover { background: var(--red); color: #fff; }
.side-bar-item:hover svg { stroke: #fff; }
.side-bar-item svg { width: 24px; height: 24px; stroke: var(--text-secondary); fill: none; stroke-width: 1.8; transition: stroke .2s; }
.side-bar-item span { font-size: 12px; color: inherit; }

/* ===== 产品中心 / 解决方案 内页 ===== */
/* 内页标题与首页板块标题样式统一：禁用 style.css 的 h2::before 竖线，
   改用 ::after 实现左侧红色竖条，字号、粗细与首页 .section-title 一致 */
.page-topbar-header h2::before { display: none !important; }
.page-topbar-header h2 {
  position: relative;
  padding-left: 20px;
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  line-height: 1.3;
  margin: 0;
  white-space: nowrap;
}
.page-topbar-header h2::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 36px;
  background: var(--red);
}
.topbar-tabs a.active { color: #fff; background: var(--red); border-color: var(--red); box-shadow: 0 4px 14px rgba(196,26,26,.28); }
.topbar-tabs a:hover { color: var(--red); background: rgba(196,26,26,.08); border-color: var(--red); }
.news-item .news-date, .home-news-item .news-date { color: var(--red); }

.plist-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.plist-card {
  background: #fff; border: 1px solid var(--border); overflow: hidden; transition: all .3s; color: inherit;
}
.plist-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,.1); transform: translateY(-6px); border-color: var(--red); }
.plist-img { height: 320px; background: #F0F0F0; background-size: cover; background-position: center; }
.plist-body { padding: 26px 26px 30px; }
.plist-cat { font-size: 12px; color: var(--red); letter-spacing: 1px; }
.plist-title { font-size: 19px; font-weight: 700; margin: 10px 0; line-height: 1.5; color: var(--text); }
.plist-summary { font-size: 14px; color: var(--text-muted); line-height: 1.8; }

.solution-list { display: flex; flex-direction: column; gap: 40px; }
.solution-card {
  display: flex; background: #fff; border: 1px solid var(--border); overflow: hidden; transition: box-shadow .3s;
}
.solution-card:hover { box-shadow: 0 8px 28px rgba(0,0,0,.07); }
.solution-img { width: 340px; flex-shrink: 0; min-height: 220px; background: #EEE; background-size: cover; background-position: center; }
.solution-body { flex: 1; padding: 36px; }
.solution-index { font-size: 13px; color: var(--red); font-weight: 700; letter-spacing: 1px; }
.solution-title { font-size: 22px; font-weight: 700; margin: 12px 0; color: var(--text); line-height: 1.5; }
.solution-desc { font-size: 15px; color: var(--text-secondary); line-height: 2; }

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
  .container { padding: 0 24px; }
  .logo-tag { display: none; }
}
@media (max-width: 1024px) {
  .header-phone-text { display: none; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .pc-header { flex-direction: column; align-items: flex-start; gap: 24px; }
  .pc-body { flex-direction: column; }
  .pc-intro { width: 100%; padding: 36px 28px; }
  .pc-item-img { height: 280px; }
  .pc-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .home-news-item { flex-direction: column; }
  .home-news-img { width: 100%; height: 240px; }
  .home-news-content { padding: 28px; }
  .side-bar { display: none; }
  .top-bar { display: none; }
  .plist-grid { grid-template-columns: repeat(2, 1fr); }
  .plist-img { height: 300px; }
  .solution-card { flex-direction: column; }
  .solution-img { width: 100%; height: 220px; }
  .cases-masonry {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    height: auto;
  }
  .case-item-1 { grid-column: 1 / span 2; grid-row: auto; height: 360px; }
  .case-item-2 { grid-column: 1 / span 2; grid-row: auto; height: 280px; }
  .case-item-3 { grid-column: 1; grid-row: auto; height: 240px; }
  .case-item-4 { grid-column: 2; grid-row: auto; height: 240px; }
  .cases-row2 { height: 240px; }
  .home-page .banner-title { font-size: 40px; letter-spacing: 3px; }
  .home-page .banner-title.less { font-size: 18px; }
}
@media (max-width: 640px) {
  .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.15); }
  .pc-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 26px; }
  .plist-grid { grid-template-columns: 1fr; }
  .plist-img { height: 260px; }
  .cases-masonry { grid-template-columns: 1fr; }
  .case-item-1, .case-item-2, .case-item-3, .case-item-4 {
    grid-column: 1; grid-row: auto; height: 260px;
  }
  .cases-row2 { grid-template-columns: 1fr; height: auto; }
  .cases-row2 .case-item { height: 260px; }
  .home-page .banner-title { font-size: 30px; letter-spacing: 2px; }
  .home-page .banner-title.less { font-size: 15px; }
  .home-page .banner-desc { font-size: 14px; }
}

/* 移动端导航抽屉：恢复整行菜单项布局与红色悬停（覆盖旧主题样式） */
@media (max-width: 768px) {
  .nav > a,
  .nav-dropdown > a {
    padding: 14px 20px;
    font-size: 16px;
    width: 100%;
    text-align: left;
  }
  .nav > a:hover,
  .nav > a.active,
  .nav-dropdown > a:hover {
    color: #fff;
    background: var(--red);
  }
  /* 移动端内页标题适当缩小，避免超出容器 */
  .page-topbar-header h2 {
    font-size: 26px;
  }
}

/* ===== 移动端自适应增强（仅在窄屏生效，不改变桌面端布局） ===== */

/* 富文本内容容器横向滚动保护，防止移动端破版 */
.article-body,
.project-detail-body,
.product-detail-body,
.company-intro-body {
  overflow-x: auto;
}

/* 代码块允许换行与断词，避免横向溢出 */
pre,
code {
  white-space: pre-wrap;
  word-break: break-all;
}

@media (max-width: 768px) {
  /* 触控热区最小化到 44px */
  .btn,
  .btn-outline,
  .btn-lg {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .btn-lg {
    min-height: 48px;
  }

  .nav-toggle {
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .search-clear,
  .search-close,
  .search-tag {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* 轮播指示点：用伪元素扩大点击热区，不改视觉尺寸 */
  .banner-dots .dot,
  .page-banner-dots span {
    position: relative;
  }
  .banner-dots .dot::after,
  .page-banner-dots span::after {
    content: '';
    position: absolute;
    inset: -8px;
  }

  /* 富文本表格与产品参数表移动端横向滚动 */
  .article-body table,
  .project-detail-body table,
  .product-detail-body table,
  .company-intro-body table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .product-params-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 640px) {
  /* 小屏正文字号与段首缩进优化 */
  .article-body {
    font-size: 15px;
  }
  .article-body p {
    text-indent: 0;
  }
  .project-detail-content p {
    font-size: 15px;
  }
}

/* ===== 移动端首页专项：轮播高度减半 + 产品中心选项卡统一（参照应用案例） ===== */
@media (max-width: 768px) {
  /* 首页轮播图高度占屏幕一半，避免首屏过高 */
  .banner-slider {
    height: 50vh;
  }
  .hero {
    min-height: 50vh;
  }

  /* 分类选项卡：单行不换行、可横向滑动，与应用案例选项卡一致 */
  .pc-tabs,
  .section-header-nav {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .pc-tabs::-webkit-scrollbar,
  .section-header-nav::-webkit-scrollbar {
    display: none;
  }
  .pc-tab {
    flex-shrink: 0;
    padding: 10px 16px;
    font-size: 14px;
  }
}