/* Preloader */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    z-index: 1;
}
.preloader-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at center, black 20%, transparent 70%);
}
.preloader-bg::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(26,86,219,0.2) 0%, transparent 70%);
}
.preloader-inner {
    position: relative;
    z-index: 2;
    text-align: center;
}
.preloader-rings {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pre-ring {
    position: absolute;
    border-radius: 50%;
    border-style: solid;
}
.pre-ring-1 {
    width: 120px; height: 120px;
    border: 2px solid rgba(26, 86, 219, 0.2);
    border-top-color: #1a56db;
    animation: preSpin 1.2s linear infinite;
}
.pre-ring-2 {
    width: 90px; height: 90px;
    border: 2px solid rgba(14, 165, 233, 0.2);
    border-bottom-color: #0ea5e9;
    animation: preSpin 0.9s linear infinite reverse;
}
.pre-ring-3 {
    width: 60px; height: 60px;
    border: 2px solid rgba(6, 182, 212, 0.2);
    border-left-color: #06b6d4;
    animation: preSpin 0.6s linear infinite;
}
@keyframes preSpin {
    to { transform: rotate(360deg); }
}
.preloader-icon {
    position: relative;
    z-index: 2;
    font-size: 32px;
    color: #fff;
    animation: prePulse 1.5s ease-in-out infinite;
}
@keyframes prePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.8; }
}
.preloader-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 20px;
}
.preloader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto;
}
.preloader-bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #1a56db, #0ea5e9, #06b6d4);
    border-radius: 3px;
    animation: preBar 1.5s ease-in-out infinite;
}
@keyframes preBar {
    0% { width: 0; margin-left: 0; }
    50% { width: 70%; margin-left: 15%; }
    100% { width: 0; margin-left: 100%; }
}
.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

/* 搜索弹窗 */
.search-modal {
    background: #0f172a;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
}
.search-modal .modal-title { color: #fff; }
.search-input-wrap {
    position: relative;
}
.search-input-icon {
    position: absolute;
    left: 18px; top: 50%;
    transform: translateY(-50%);
    color: var(--gray-3);
    z-index: 2;
}
.search-input {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    border-radius: 12px;
    padding: 14px 18px 14px 48px;
    font-size: 15px;
}
.search-input::placeholder { color: rgba(255,255,255,0.4); }
.search-input:focus {
    background: rgba(255,255,255,0.08);
    border-color: var(--primary-light);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.search-hint, .search-loading, .search-empty {
    text-align: center;
    color: var(--gray-3);
    padding: 30px 0;
    font-size: 14px;
}
.search-empty i { font-size: 36px; display: block; margin-bottom: 8px; }
.search-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    transition: all 0.2s;
    margin-bottom: 6px;
    border: 1px solid transparent;
}
.search-item:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(26,86,219,0.3);
}
.search-item-active {
    background: rgba(26,86,219,0.18) !important;
    border-color: rgba(26,86,219,0.5) !important;
}
.search-item-active .search-item-title {
    color: #fff;
}
.search-item-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, rgba(26,86,219,0.15), rgba(14,165,233,0.15));
    color: var(--primary-light);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.search-item-body { flex: 1; min-width: 0; }
.search-item-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}
.search-item-type {
    font-size: 11px;
    background: rgba(26,86,219,0.2);
    color: var(--primary-light);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 8px;
    font-weight: 500;
}
.search-item-desc {
    font-size: 12px;
    color: var(--gray-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.search-item-arrow {
    color: var(--gray-3);
    flex-shrink: 0;
    transition: transform 0.2s;
}
.search-item:hover .search-item-arrow {
    transform: translateX(4px);
    color: var(--primary-light);
}
.nav-search-btn {
    border-radius: 8px;
    padding: 5px 12px;
}
.captcha-text {
    background: linear-gradient(135deg, #1a56db, #0ea5e9);
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 2px;
    min-width: 80px;
    text-align: center;
    cursor: pointer;
    border: none;
}
.captcha-text:hover { opacity: 0.85; }

/* 科技分页 */
.tech-pagination {
    text-align: center;
}
.tech-pagination .pagination-info {
    color: var(--gray-3);
    font-size: 14px;
    margin-bottom: 12px;
}
.tech-pagination .page-item .page-link {
    border: 1px solid var(--border);
    color: var(--text);
    min-width: 40px;
    text-align: center;
    border-radius: 8px;
    margin: 0 3px;
    transition: all 0.2s;
    background: #fff;
}
.tech-pagination .page-item .page-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(26, 86, 219, 0.05);
}
.tech-pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
}
.tech-pagination .page-item.disabled .page-link {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 软件下载页面 */
.downloads-section {
    background: #f8fafc;
    min-height: 60vh;
}
.downloads-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.downloads-filter .filter-btn {
    padding: 0.4rem 1.2rem;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    background: white;
    color: #64748b;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.downloads-filter .filter-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
}
.downloads-filter .filter-btn.active {
    background: linear-gradient(135deg, #1a56db, #0ea5e9);
    color: white;
    border-color: transparent;
}
.download-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    display: flex;
    gap: 1rem;
}
.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(26, 86, 219, 0.15);
    border-color: #0ea5e9;
}
.download-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: linear-gradient(135deg, #eff6ff, #e0f2fe);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #1a56db;
}
.download-info {
    flex: 1;
}
.download-info h5 {
    color: #1e293b;
    font-weight: 600;
}
.version-badge {
    background: linear-gradient(135deg, #dbeafe, #bae6fd);
    color: #1a56db;
    font-size: 0.75rem;
    padding: 0.15rem 0.6rem;
    border-radius: 10px;
    font-weight: 500;
}
.category-tag {
    font-size: 0.75rem;
    color: #0ea5e9;
    background: #f0f9ff;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}
.download-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: #64748b;
}
.download-meta i {
    color: #0ea5e9;
}

/* 可点击卡片 hover 效果 */
.clickable-card {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.clickable-card:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px rgba(26, 86, 219, 0.3);
    color: inherit;
}
.skill-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 10px;
    transition: all 0.25s ease;
}
.skill-link:hover {
    background: rgba(26, 86, 219, 0.06);
    transform: translateX(4px);
}
.skill-link:hover .progress-fill {
    filter: brightness(1.15);
    box-shadow: 0 0 10px rgba(26, 86, 219, 0.4);
}

.service-hero-image {
    max-width: 400px;
    margin: 0 auto;
}
.service-hero-image img {
    width: 100%;
    max-height: 320px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

:root {
    --primary: #1a56db;
    --primary-dark: #0d3b9e;
    --primary-light: #3b82f6;
    --secondary: #0ea5e9;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --gray-1: #f8fafc;
    --gray-2: #e2e8f0;
    --gray-3: #94a3b8;
    --gradient-1: linear-gradient(135deg, #1a56db 0%, #0ea5e9 50%, #06b6d4 100%);
    --gradient-2: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 20px 60px rgba(26, 86, 219, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: #fff;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-nav {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s;
    padding: 12px 0;
}
.logo-icon {
    width: 42px; height: 42px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 22px;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.4);
}
.brand-name {
    font-size: 16px; font-weight: 700; color: #fff; letter-spacing: 0.5px;
}
.brand-sub {
    font-size: 10px; letter-spacing: 2px; color: var(--accent);
    margin-top: -2px;
}
.tech-nav .nav-link {
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    padding: 8px 16px !important;
    margin: 0 4px;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
}
.tech-nav .nav-link:hover,
.tech-nav .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    background: var(--gradient-2);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(14, 165, 233, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(26, 86, 219, 0.3) 0%, transparent 50%);
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.3) 0%, rgba(15,23,42,0.7) 100%);
}
.grid-bg {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black 30%, transparent 70%);
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
    display: inline-flex; align-items: center;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}
.badge-dot {
    width: 8px; height: 8px;
    background: #10b981; border-radius: 50%;
    margin-right: 10px;
    box-shadow: 0 0 10px #10b981;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1px;
}
.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 560px;
}
.btn-primary {
    background: var(--gradient-1);
    border: none;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 86, 219, 0.5);
}
.hero-stats .stat-num {
    font-size: 36px; font-weight: 800; color: #fff;
}
.hero-stats .stat-label {
    font-size: 13px; color: rgba(255,255,255,0.6);
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex; align-items: center; justify-content: center;
}
.rotating-ring { position: relative; width: 300px; height: 300px; }
.ring {
    position: absolute; inset: 0;
    border-radius: 50%;
    border: 1px dashed rgba(14, 165, 233, 0.3);
}
.ring-1 { animation: rotate 20s linear infinite; }
.ring-2 { inset: 40px; border-color: rgba(6, 182, 212, 0.3); animation: rotate 15s linear infinite reverse; border-style: solid; border-width: 2px;}
.ring-3 { inset: 80px; border-color: rgba(59, 130, 246, 0.3); animation: rotate 10s linear infinite; }
@keyframes rotate { to { transform: rotate(360deg); } }
.hero-icon-center {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 120px; height: 120px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 56px;
    box-shadow: 0 20px 60px rgba(26, 86, 219, 0.5);
}
.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 12px 20px;
    border-radius: 12px;
    color: #fff;
    font-weight: 500;
    display: flex; align-items: center; gap: 8px;
}
.card-1 { top: 10%; left: 0; animation: float 4s ease-in-out infinite; }
.card-2 { top: 40%; right: 0; animation: float 4s ease-in-out infinite 1s; }
.card-3 { bottom: 15%; left: 15%; animation: float 4s ease-in-out infinite 2s; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.mouse {
    width: 26px; height: 42px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 13px;
    position: relative;
}
.mouse::before {
    content: '';
    position: absolute; top: 8px; left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 8px;
    background: rgba(255,255,255,0.8);
    border-radius: 2px;
    animation: scroll 1.8s infinite;
}
@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 22px; }
}

/* Page Hero */
.page-hero {
    position: relative;
    padding: 140px 0 80px;
    background: var(--gradient-2);
    overflow: hidden;
    color: #fff;
}
.page-hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.25), transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(26, 86, 219, 0.25), transparent 40%);
}
.page-hero-bg::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero .breadcrumb {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 8px;
    display: inline-flex;
}
.page-hero .breadcrumb a { color: var(--accent); }
.page-hero .breadcrumb-item.active { color: rgba(255,255,255,0.6); }
.page-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    margin: 16px 0 12px;
}
.page-subtitle { font-size: 16px; color: rgba(255,255,255,0.7); margin: 0; }

/* Sections */
.section { padding: 90px 0; }
.bg-section { background: var(--gray-1); }
.section-header { max-width: 680px; margin: 0 auto; }
.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(26, 86, 219, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
}
.section-title {
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 800;
    letter-spacing: -0.5px;
}
.section-subtitle { color: var(--gray-3); font-size: 16px; }

/* Service Card */
.service-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s;
    border: 1px solid var(--gray-2);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, rgba(26,86,219,0.1), rgba(14,165,233,0.1));
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; color: var(--primary);
    margin-bottom: 24px;
    transition: all 0.4s;
}
.service-card:hover .service-icon {
    background: var(--gradient-1);
    color: #fff;
    transform: rotate(-8deg) scale(1.1);
}
.service-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.service-desc { color: var(--gray-3); font-size: 14px; margin-bottom: 20px; }
.service-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
}
.service-link:hover { color: var(--primary-dark); }

/* Features */
.feature-item {
    padding: 20px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-2);
    transition: all 0.3s;
}
.feature-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}
.feature-num {
    font-size: 28px; font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}
.tech-showcase {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.showcase-glow {
    position: absolute;
    top: -50%; right: -30%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15), transparent 70%);
}
.showcase-content { position: relative; }
.showcase-title {
    font-size: 20px; font-weight: 700; margin-bottom: 28px;
    color: var(--dark);
}
.skill-item { margin-bottom: 20px; }
.progress-bar-tech {
    height: 8px;
    background: var(--gray-2);
    border-radius: 4px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 4px;
    animation: fillBar 1.5s ease-out;
}
@keyframes fillBar {
    from { width: 0 !important; }
}

/* Cases */
.case-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s;
    border: 1px solid var(--gray-2);
}
.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.case-img {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--gray-1);
}
.case-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}
.case-card:hover .case-img img { transform: scale(1.08); }
.case-img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--gray-1), #e2e8f0);
    color: var(--gray-3);
    font-size: 56px;
}
.case-category {
    position: absolute;
    top: 16px; left: 16px;
    padding: 5px 14px;
    background: rgba(15, 23, 42, 0.8);
    color: #fff;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(10px);
}
.case-body { padding: 24px; }
.case-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.case-desc { color: var(--gray-3); font-size: 14px; margin-bottom: 16px; }
.case-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--gray-2);
    font-size: 13px;
    color: var(--gray-3);
}
.case-link { color: var(--primary); font-weight: 600; }

/* Filter bar */
.filter-bar { margin-bottom: 40px; }
.filter-btn {
    padding: 8px 22px;
    border: 1px solid var(--gray-2);
    background: #fff;
    border-radius: 50px;
    margin: 0 5px 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-2);
    transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--primary-light); color: var(--primary); }
.filter-btn.active {
    background: var(--gradient-1);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
}

/* News */
.news-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-2);
    transition: all 0.3s;
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.news-img { height: 200px; background: var(--gray-1); overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #e2e8f0, var(--gray-2));
    color: var(--gray-3); font-size: 48px;
}
.news-body { padding: 24px; }
.news-date {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 10px;
}
.news-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-summary {
    color: var(--gray-3);
    font-size: 14px;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}
.news-card-lg { display: flex; }
.news-img-lg { height: 100%; min-height: 240px; }

/* CTA */
.cta-box {
    position: relative;
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    overflow: hidden;
}
.cta-glow {
    position: absolute;
    top: -100%; right: -20%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
}

/* Workflow */
.workflow-steps {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}
.step-item {
    flex: 1;
    min-width: 160px;
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    border: 1px solid var(--gray-2);
    position: relative;
    transition: all 0.3s;
}
.step-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.step-num {
    position: absolute;
    top: 12px; right: 16px;
    font-size: 14px;
    font-weight: 800;
    color: var(--gray-2);
}
.step-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, rgba(26,86,219,0.1), rgba(14,165,233,0.1));
    color: var(--primary);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    margin: 0 auto 16px;
}
.step-arrow {
    display: flex; align-items: center;
    color: var(--primary-light);
    font-size: 24px;
}
@media (max-width: 992px) {
    .step-arrow { display: none; }
    .workflow-steps { gap: 20px; }
}

/* Service Detail */
.service-detail-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--gray-2);
    transition: all 0.3s;
}
.service-detail-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.service-detail-icon {
    width: 110px; height: 110px;
    background: var(--gradient-1);
    border-radius: 24px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 52px;
    margin: 0 auto;
    box-shadow: 0 15px 40px rgba(26, 86, 219, 0.3);
}
.service-features-list {
    list-style: none; padding: 0; margin: 0;
}
.service-features-list li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--dark-2);
}

/* About */
.about-visual {
    position: relative;
    height: 500px;
}
.about-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(26, 86, 219, 0.15), transparent 70%);
}
.about-img-wrap { position: relative; width: 100%; height: 100%; }
.about-img {
    position: absolute;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--gray-2);
}
.about-img-1 {
    width: 220px; height: 220px;
    top: 40px; left: 40px;
    font-size: 96px; color: var(--primary);
    animation: float 5s ease-in-out infinite;
}
.about-img-2 {
    width: 160px; height: 160px;
    top: 250px; right: 80px;
    font-size: 68px; color: var(--secondary);
    animation: float 5s ease-in-out infinite 1s;
}
.about-img-3 {
    width: 140px; height: 140px;
    bottom: 40px; left: 140px;
    font-size: 58px; color: var(--accent);
    animation: float 5s ease-in-out infinite 2s;
}
.about-stat {
    display: flex; align-items: center; gap: 16px;
    padding: 16px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-2);
}
.about-stat i { font-size: 32px; }

.value-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--gray-2);
    transition: all 0.3s;
}
.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.value-icon {
    width: 72px; height: 72px;
    background: var(--gradient-1);
    color: #fff;
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    font-size: 30px;
    margin: 0 auto 20px;
}

/* Team */
.team-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    border: 1px solid var(--gray-2);
    transition: all 0.3s;
}
.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.team-avatar {
    width: 100px; height: 100px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #fff;
    box-shadow: var(--shadow-md);
    background: var(--gray-1);
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: var(--gradient-1);
    color: #fff; font-size: 42px;
}
.team-position {
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
}
.team-bio {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Contact */
.contact-info-card {
    background: #fff;
    padding: 36px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-2);
    transition: all 0.3s;
}
.contact-info-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}
.contact-icon {
    width: 64px; height: 64px;
    background: var(--gradient-1);
    color: #fff;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    margin: 0 auto 18px;
}
.contact-form-wrap {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--gray-2);
}
.contact-form .form-control,
.contact-form .form-select {
    padding: 12px 16px;
    border-radius: 10px;
    border-color: var(--gray-2);
}
.contact-form .form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}
.contact-side {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.map-placeholder {
    background: linear-gradient(135deg, var(--gray-1), #e2e8f0);
    border-radius: var(--radius-lg);
    padding: 60px 30px;
    text-align: center;
    color: var(--dark-2);
    border: 1px solid var(--gray-2);
}
.map-placeholder i { font-size: 56px; color: var(--primary); }
.quick-links {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-2);
    flex: 1;
}
.contact-detail-list {
    list-style: none; padding: 0; margin: 0;
}
.contact-detail-list li {
    display: flex; gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-2);
}
.contact-detail-list li:last-child { border-bottom: none; }
.cd-icon {
    width: 40px; height: 40px;
    background: rgba(26, 86, 219, 0.1);
    color: var(--primary);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.cd-label { font-size: 12px; color: var(--gray-3); }
.cd-value { font-weight: 600; font-size: 14px; }

/* Detail */
.detail-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gray-1);
    border: 1px solid var(--gray-2);
}
.detail-img img { width: 100%; max-height: 450px; object-fit: cover; }
.detail-img-placeholder {
    padding: 120px 0;
    text-align: center;
    color: var(--gray-3);
    font-size: 80px;
}
.detail-content {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-2);
}
.summary-box {
    background: linear-gradient(135deg, rgba(26,86,219,0.05), rgba(14,165,233,0.05));
    border-left: 4px solid var(--primary);
    padding: 18px 22px;
    border-radius: 10px;
}
.sticky-sidebar { position: sticky; top: 100px; }
.side-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-2);
}
.side-title {
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--gray-2);
}
.side-list { list-style: none; padding: 0; margin: 0; }
.side-list li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px dashed var(--gray-2);
    font-size: 14px;
}
.side-list li:last-child { border-bottom: none; }
.side-label { color: var(--gray-3); }
.side-value { font-weight: 600; color: var(--dark); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
    padding: 5px 14px;
    background: var(--gray-1);
    border-radius: 50px;
    font-size: 13px;
    color: var(--dark-2);
}
.contact-list-sm {
    list-style: none; padding: 0; margin: 0;
    font-size: 14px;
}
.contact-list-sm li {
    padding: 6px 0;
    color: var(--dark-2);
}
.contact-list-sm i {
    color: var(--primary);
    margin-right: 8px;
    width: 18px;
}

/* Pagination */
.pagination .page-link {
    border: 1px solid var(--gray-2);
    color: var(--dark-2);
    padding: 10px 16px;
    margin: 0 3px;
    border-radius: 8px !important;
}
.pagination .page-link:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}
.pagination .page-item.active .page-link {
    background: var(--gradient-1);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
}

/* Footer */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding: 70px 0 0;
    margin-top: 0;
}
.footer-title { color: #fff; font-weight: 700; font-size: 18px; }
.footer-subtitle { color: #fff; font-weight: 600; font-size: 14px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { padding: 5px 0; }
.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.contact-list { list-style: none; padding: 0; margin: 0; font-size: 14px; }
.contact-list li {
    padding: 6px 0;
    color: rgba(255,255,255,0.7);
    display: flex; gap: 10px;
    align-items: flex-start;
}
.contact-list i { color: var(--accent); margin-top: 3px; width: 16px; flex-shrink: 0; }
.social-links { display: flex; gap: 10px; }
.social-link {
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: all 0.3s;
}
.social-link:hover {
    background: var(--gradient-1);
    color: #fff;
    transform: translateY(-3px);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 40px;
    padding-top: 20px;
    padding-bottom: 10px;
}
.footer-bottom-center {
    text-align: center;
    line-height: 2;
}
.footer-copyright {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}
.footer-copyright i {
    color: var(--cyan);
    margin-right: 4px;
    font-size: 15px;
}
.footer-copyright strong {
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.footer-rights {
    color: rgba(255, 255, 255, 0.55);
    margin-left: 8px;
    font-size: 13px;
}
.footer-links {
    font-size: 13px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: var(--cyan);
}

.back-to-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 48px; height: 48px;
    background: var(--gradient-1);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
    box-shadow: 0 8px 25px rgba(26, 86, 219, 0.4);
    z-index: 99;
}
.back-to-top.show {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-4px); }

.animate-fadeIn { animation: fadeIn 0.5s ease; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero-visual { height: 350px; }
    .rotating-ring { width: 240px; height: 240px; }
    .hero-icon-center { width: 90px; height: 90px; font-size: 42px; }
}

/* 公告滚动弹窗（正方形） */
.notice-marquee {
    position: fixed;
    bottom: 80px;
    left: 0;
    z-index: 990;
    pointer-events: auto;
    will-change: transform;
}
.notice-marquee-box {
    display: block;
    width: 110px;
    height: 110px;
    background: linear-gradient(135deg, #1a56db, #06b6d4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(26, 86, 219, 0.4);
    backdrop-filter: blur(10px);
    text-decoration: none;
    overflow: hidden;
    padding: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.notice-marquee-box:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(26, 86, 219, 0.5);
}
.notice-marquee-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 1.1rem;
    color: #fff;
    animation: notice-pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}
@keyframes notice-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}
.notice-marquee-text {
    color: #fff;
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.3;
    word-break: break-all;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.notice-top-tag {
    display: inline-block;
    padding: 1px 4px;
    margin-bottom: 2px;
    font-size: 0.55rem;
    font-weight: 600;
    color: #fff;
    background: #ef4444;
    border-radius: 3px;
}
.notice-marquee-close {
    position: absolute;
    top: -6px;
    right: -6px;
    background: rgba(239, 68, 68, 0.95);
    border: 2px solid #fff;
    color: #fff;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 0.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 10;
}
.notice-marquee-close:hover {
    background: #dc2626;
    transform: scale(1.15);
}
.notice-marquee.hidden {
    display: none;
}

@media (max-width: 576px) {
    .notice-marquee-box {
        width: 95px;
        height: 95px;
    }
    .notice-marquee-text {
        font-size: 0.68rem;
    }
}