/* ============================================
           全局变量与基础样式
           品牌色取自温特纳logo实际色值 #0054a6
           配色偏清爽，避免大面积深蓝
           ============================================ */
        @import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;800;900&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,500;0,9..40,700;1,9..40,400&display=swap');

        :root {
            --wt-primary: #0054a6;        /* 品牌主蓝（logo实际色值） */
            --wt-primary-dark: #003d7a;   /* 深蓝（仅用于hover/强调） */
            --wt-primary-light: #4d94db;  /* 亮蓝（辅助） */
            --wt-primary-bg: #edf4fc;     /* 极浅蓝背景 */
            --wt-accent: #e8642a;         /* CTA橙色 */
            --wt-accent-hover: #d4571f;   /* 橙色hover */
            --wt-accent-glow: rgba(232,100,42,0.15);
            --wt-gray-50: #f8fafc;
            --wt-gray-100: #f1f5f9;
            --wt-gray-200: #e2e8f0;
            --wt-gray-300: #cbd5e1;
            --wt-gray-400: #94a3b8;
            --wt-gray-500: #64748b;
            --wt-gray-600: #475569;
            --wt-gray-700: #334155;
            --wt-gray-800: #1e293b;
            --wt-text: #2d3748;
            --wt-text-light: #5a6a7e;
            --wt-white: #ffffff;
            --wt-shadow-sm: 0 1px 3px rgba(0,20,60,0.04), 0 1px 2px rgba(0,20,60,0.06);
            --wt-shadow: 0 4px 20px rgba(0,20,60,0.06), 0 1px 3px rgba(0,20,60,0.04);
            --wt-shadow-md: 0 8px 32px rgba(0,20,60,0.08), 0 2px 6px rgba(0,20,60,0.04);
            --wt-shadow-lg: 0 20px 60px rgba(0,20,60,0.1), 0 4px 12px rgba(0,20,60,0.04);
            --wt-radius: 12px;
            --wt-radius-sm: 8px;
            --wt-radius-lg: 18px;
            --wt-transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            color: var(--wt-text);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background: #fff;
        }

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

        /* 精细化选择文字样式 */
        ::selection {
            background: rgba(0,84,166,0.12);
            color: var(--wt-primary-dark);
        }

        /* ============================================
           顶部导航栏
           ============================================ */
        .wt-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 10px 0;
            transition: var(--wt-transition);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px) saturate(1.8);
            -webkit-backdrop-filter: blur(20px) saturate(1.8);
            border-bottom: 1px solid rgba(0, 20, 60, 0.04);
        }

        .wt-navbar.scrolled {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(24px) saturate(1.8);
            -webkit-backdrop-filter: blur(24px) saturate(1.8);
            box-shadow: 0 1px 24px rgba(0, 20, 60, 0.08);
            padding: 6px 0;
            border-bottom-color: transparent;
        }

        .wt-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            transition: var(--wt-transition);
            flex-shrink: 0;
        }

        .wt-navbar .navbar-brand img {
            height: 44px;
            width: auto;
            transition: var(--wt-transition);
        }

        .wt-navbar.scrolled .navbar-brand img {
            height: 36px;
        }

        .wt-navbar .nav-link {
            color: var(--wt-gray-700);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 8px 18px !important;
            transition: var(--wt-transition);
            position: relative;
            text-decoration: none;
        }

        .wt-navbar .nav-link:hover {
            color: var(--wt-primary);
        }

        .wt-navbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--wt-accent);
            transform: scaleX(0);
            transition: var(--wt-transition);
        }

        .wt-navbar .nav-link:hover::after,
        .wt-navbar .nav-link.active::after {
            transform: scaleX(1);
        }

        .wt-navbar.scrolled .nav-link {
            color: var(--wt-gray-700);
        }

        .wt-navbar.scrolled .nav-link:hover {
            color: var(--wt-primary);
        }

        /* 下拉菜单 */
        .wt-dropdown {
            position: relative;
        }

        .wt-dropdown-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%);
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            min-width: 220px;
            padding: 10px 0;
            z-index: 1100;
            opacity: 0;
            transition: opacity 0.18s ease, transform 0.18s ease;
            transform: translateX(-50%) translateY(-6px);
            border: 1px solid rgba(0,0,0,0.06);
        }

        .wt-dropdown-menu::before {
            content: '';
            position: absolute;
            top: -12px;
            left: 0;
            right: 0;
            height: 12px;
            background: transparent;
        }

        .wt-dropdown:hover .wt-dropdown-menu,
        .wt-dropdown:focus-within .wt-dropdown-menu {
            display: block;
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }


        .wt-dropdown-menu a {
            display: block;
            padding: 6px 10px;
            color: var(--wt-gray-700);
            text-decoration: none;
            font-size: 0.82rem;
            font-weight: 400;
            transition: var(--wt-transition);
            border-radius: 4px;
        }

        .wt-dropdown-menu a:hover {
            color: var(--wt-primary);
            background: #f0f6ff;
        }

        .wt-dropdown-menu .dropdown-divider {
            border-top: 1px solid #f0f0f0;
            margin: 4px 0;
        }

        /* 下拉箭头图标 */
        .wt-dropdown > .nav-link .dropdown-caret {
            display: inline-block;
            width: 0;
            height: 0;
            border-left: 4px solid transparent;
            border-right: 4px solid transparent;
            border-top: 5px solid currentColor;
            margin-left: 4px;
            vertical-align: middle;
            transition: transform 0.18s;
        }

        .wt-dropdown:hover > .nav-link .dropdown-caret {
            transform: rotate(180deg);
        }

        /* 导航栏图标按钮（搜索） */
        .wt-nav-icon-btn {
            background: none;
            border: 1.5px solid var(--wt-primary);
            border-radius: 8px;
            color: var(--wt-primary);
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--wt-transition);
            padding: 0;
        }

        .wt-nav-icon-btn:hover {
            background: rgba(0,91,187,0.08);
            border-color: var(--wt-primary-dark, #003d99);
        }

        /* 导航栏电话 */
        .wt-nav-phone {
            color: var(--wt-primary);
            text-decoration: none;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--wt-transition);
            display: flex;
            align-items: center;
        }

        .wt-nav-phone:hover {
            color: var(--wt-primary-dark, #003d99);
        }

        /* 全站搜索遮罩层 */
        .wt-search-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 20, 60, 0.7);
            z-index: 9999;
            backdrop-filter: blur(4px);
            align-items: flex-start;
            justify-content: center;
            padding-top: 100px;
        }

        .wt-search-overlay.active {
            display: flex;
        }

        .wt-search-box {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            width: 90%;
            max-width: 640px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.25);
            position: relative;
        }

        .wt-search-box input {
            width: 100%;
            border: 2px solid var(--wt-primary);
            border-radius: 10px;
            padding: 14px 52px 14px 20px;
            font-size: 1rem;
            outline: none;
            color: #1a2340;
        }

        .wt-search-box input::placeholder {
            color: #aaa;
        }

        .wt-search-submit {
            position: absolute;
            right: 44px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--wt-primary);
            border: none;
            border-radius: 8px;
            color: #fff;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .wt-search-close {
            position: absolute;
            top: 10px;
            right: 10px;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #999;
            cursor: pointer;
            line-height: 1;
            z-index: 10001;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .wt-search-close:hover {
            color: #333;
            background: rgba(0,0,0,0.05);
        }

        .wt-search-hints {
            margin-top: 14px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .wt-search-hints span {
            font-size: 0.78rem;
            color: #888;
        }

        .wt-search-hints a {
            font-size: 0.8rem;
            color: var(--wt-primary);
            text-decoration: none;
            background: #f0f6ff;
            padding: 4px 12px;
            border-radius: 20px;
            transition: var(--wt-transition);
        }

        .wt-search-hints a:hover {
            background: #ddeeff;
        }

        /* 搜索结果 */
        .wt-search-results {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            margin-top: 8px;
            max-height: 360px;
            overflow-y: auto;
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
            z-index: 1060;
        }

        .wt-search-result-item {
            display: block;
            padding: 12px 16px;
            border-bottom: 1px solid #f3f4f6;
            text-decoration: none !important;
            color: var(--wt-dark) !important;
            transition: background 0.2s;
            cursor: pointer;
        }

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

        .wt-search-result-item:hover {
            background: #f0f6ff;
        }

        .wt-search-result-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--wt-dark);
            margin-bottom: 2px;
        }

        .wt-search-result-desc {
            font-size: 0.78rem;
            color: var(--wt-gray-500);
            line-height: 1.4;
        }

        .wt-search-no-results {
            padding: 24px 16px;
            text-align: center;
            color: var(--wt-gray-500);
            font-size: 0.88rem;
        }

        mark.search-highlight {
            background: #fef08a;
            color: inherit;
            padding: 0 2px;
            border-radius: 2px;
        }

        .search-type-badge {
            display: inline-block;
            font-size: 0.7rem;
            padding: 1px 6px;
            background: #e8f0fe;
            color: var(--wt-primary);
            border-radius: 3px;
            margin-right: 4px;
            vertical-align: middle;
            font-weight: 500;
        }

        .wt-consult-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.45);
            backdrop-filter: blur(4px);
            z-index: 10000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .wt-consult-modal-overlay.active {
            display: flex;
        }

        .wt-consult-modal {
            background: var(--wt-white);
            border-radius: 16px;
            max-width: 520px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 25px 60px rgba(0,0,0,0.3);
            animation: wtModalIn 0.25s ease;
        }

        @keyframes wtModalIn {
            from { opacity: 0; transform: translateY(20px) scale(0.96); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        .wt-consult-modal-header {
            padding: 24px 28px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .wt-consult-modal-header h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--wt-gray-800);
            margin: 0;
        }

        .wt-consult-modal-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: none;
            background: var(--wt-gray-100);
            color: var(--wt-gray-500);
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--wt-transition);
        }

        .wt-consult-modal-close:hover {
            background: var(--wt-gray-200);
            color: var(--wt-gray-700);
        }

        .wt-consult-modal-body {
            padding: 20px 28px 28px;
        }

        .wt-consult-modal-body .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--wt-gray-700);
            margin-bottom: 6px;
        }

        .wt-consult-modal-body .form-control,
        .wt-consult-modal-body .form-select {
            font-size: 0.9rem;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--wt-gray-300);
            transition: var(--wt-transition);
        }

        .wt-consult-modal-body .form-control:focus,
        .wt-consult-modal-body .form-select:focus {
            border-color: var(--wt-primary);
            box-shadow: 0 0 0 3px rgba(0,84,166,0.1);
        }

        .wt-consult-modal-footer {
            padding: 0 28px 24px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--wt-text-light);
        }

        .wt-consult-modal-footer a {
            color: var(--wt-primary);
            text-decoration: none;
            font-weight: 600;
        }

        .wt-consult-modal-footer a:hover {
            text-decoration: underline;
        }

        @media (max-width: 575.98px) {
            .wt-consult-modal {
                max-width: 100%;
                border-radius: 12px 12px 0 0;
                margin-top: auto;
            }
        }

        .wt-btn-cta {
            background: var(--wt-accent);
            color: var(--wt-white) !important;
            border: none;
            padding: 8px 24px;
            border-radius: var(--wt-radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--wt-transition);
            text-decoration: none;
            display: inline-block;
        }

        .wt-btn-cta:hover {
            background: var(--wt-accent-hover);
            color: var(--wt-white) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 100, 42, 0.35);
        }

        /* ============================================
           Hero 首屏区 - 清爽渐变风格
           ============================================ */
        .wt-hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: 
                radial-gradient(ellipse 120% 80% at 85% 20%, rgba(0, 84, 166, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse 80% 100% at 10% 90%, rgba(77, 148, 219, 0.05) 0%, transparent 50%),
                linear-gradient(165deg, #ffffff 0%, #f4f8fd 30%, #e8f0fa 60%, #dde9f6 85%, #c8ddf0 100%);
            overflow: hidden;
        }

        /* 装饰网格线 */
        .wt-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(0, 84, 166, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 84, 166, 0.03) 1px, transparent 1px);
            background-size: 80px 80px;
            mask-image: radial-gradient(ellipse 70% 60% at 75% 40%, black, transparent);
            -webkit-mask-image: radial-gradient(ellipse 70% 60% at 75% 40%, black, transparent);
            z-index: 1;
        }

        /* 右侧装饰光斑 */
        .wt-hero::after {
            content: '';
            position: absolute;
            top: 10%;
            right: -5%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 84, 166, 0.07) 0%, rgba(77,148,219,0.03) 40%, transparent 70%);
            z-index: 1;
            animation: heroGlow 8s ease-in-out infinite alternate;
        }

        @keyframes heroGlow {
            0% { transform: translate(0, 0) scale(1); opacity: 0.7; }
            100% { transform: translate(-20px, 20px) scale(1.1); opacity: 1; }
        }

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

        .wt-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--wt-gray-800);
            margin-bottom: 12px;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .wt-hero h1 .text-primary-highlight {
            color: var(--wt-primary);
            position: relative;
        }

        .wt-hero h1 .text-primary-highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(0,84,166,0.1);
            border-radius: 4px;
            z-index: -1;
        }

        .wt-hero .subtitle-en {
            display: inline-block;
            font-size: 1rem;
            color: var(--wt-accent);
            letter-spacing: 3px;
            margin-bottom: 28px;
            font-weight: 600;
            padding: 6px 16px;
            background: rgba(232,100,42,0.08);
            border-radius: 20px;
            border: 1px solid rgba(232,100,42,0.2);
        }

        .wt-hero-stats {
            display: flex;
            gap: 48px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .wt-hero-stat .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--wt-primary);
            line-height: 1;
            margin-bottom: 4px;
        }

        .wt-hero-stat .label {
            font-size: 0.88rem;
            color: var(--wt-gray-500);
        }

        .wt-hero-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 16px;
            margin-bottom: 36px;
            max-width: 540px;
        }

        .wt-hero-highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.7);
            box-shadow: 0 2px 8px rgba(0,20,60,0.03);
            transition: var(--wt-transition);
        }

        .wt-hero-highlight-item:hover {
            background: rgba(255, 255, 255, 0.85);
            border-color: rgba(0, 84, 166, 0.12);
            box-shadow: 0 8px 24px rgba(0, 84, 166, 0.08);
            transform: translateY(-3px);
        }

        .wt-hero-highlight-item .highlight-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0,84,166,0.08), rgba(0,84,166,0.15));
            color: var(--wt-primary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--wt-transition);
        }

        .wt-hero-highlight-item:hover .highlight-icon {
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            color: #fff;
            transform: scale(1.05);
        }

        .wt-hero-highlight-item .highlight-content {
            flex: 1;
            min-width: 0;
        }

        .wt-hero-highlight-item .highlight-text {
            font-size: 0.82rem;
            font-weight: 400;
            color: var(--wt-gray-600);
            line-height: 1.55;
        }

        .wt-hero-carousel {
            position: relative;
            border-radius: 20px;
            box-shadow: 
                0 24px 64px rgba(0, 20, 60, 0.12),
                0 8px 20px rgba(0, 20, 60, 0.06);
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.6);
        }

        .wt-hero-swiper {
            border-radius: var(--wt-radius-lg);
        }

        .wt-hero-swiper .swiper-slide img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--wt-radius-lg);
        }

        /* 轮播箭头 */
        .wt-hero-swiper .swiper-button-prev,
        .wt-hero-swiper .swiper-button-next {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
            transition: var(--wt-transition);
        }

        .wt-hero-swiper .swiper-button-prev::after,
        .wt-hero-swiper .swiper-button-next::after {
            font-size: 16px;
            font-weight: 700;
            color: var(--wt-gray-700);
        }

        .wt-hero-swiper .swiper-button-prev:hover,
        .wt-hero-swiper .swiper-button-next:hover {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        /* 轮播分页 */
        .wt-hero-swiper .swiper-pagination-bullet {
            width: 8px;
            height: 8px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 1;
            transition: var(--wt-transition);
        }

        .wt-hero-swiper .swiper-pagination-bullet-active {
            background: #fff;
            width: 24px;
            border-radius: 4px;
        }

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

        .wt-btn-primary-lg {
            background: linear-gradient(135deg, var(--wt-primary) 0%, var(--wt-primary-dark) 100%);
            color: var(--wt-white);
            padding: 15px 38px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--wt-transition);
            text-decoration: none;
            display: inline-block;
            border: none;
            position: relative;
            overflow: hidden;
        }

        .wt-btn-primary-lg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
            opacity: 0;
            transition: var(--wt-transition);
        }

        .wt-btn-primary-lg:hover {
            background: linear-gradient(135deg, var(--wt-primary-dark) 0%, var(--wt-primary) 100%);
            color: var(--wt-white);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 84, 166, 0.35);
        }

        .wt-btn-primary-lg:hover::before {
            opacity: 1;
        }

        .wt-btn-outline {
            border: 2px solid var(--wt-gray-200);
            color: var(--wt-gray-600);
            padding: 13px 34px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--wt-transition);
            text-decoration: none;
            display: inline-block;
            background: rgba(255,255,255,0.5);
            backdrop-filter: blur(4px);
        }

        .wt-btn-outline:hover {
            border-color: var(--wt-primary);
            color: var(--wt-primary);
            background: rgba(0,84,166,0.04);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,84,166,0.1);
        }

        .wt-hero-image {
            position: relative;
        }

        .wt-hero-image img {
            border-radius: var(--wt-radius-lg);
            box-shadow: var(--wt-shadow-lg);
        }

        /* 向下滚动提示 */
        .wt-scroll-hint {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: var(--wt-gray-400);
            font-size: 1.3rem;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
            40% { transform: translateX(-50%) translateY(-8px); }
            60% { transform: translateX(-50%) translateY(-4px); }
        }

        /* ============================================
           信任背书条 - 改为网格布局
           ============================================ */
        .wt-trust-bar {
            background: var(--wt-white);
            padding: 28px 0;
            border-bottom: 1px solid var(--wt-gray-100);
            position: relative;
        }

        .wt-trust-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(0,84,166,0.1) 30%, rgba(0,84,166,0.1) 70%, transparent 100%);
        }

        .wt-trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 20px;
        }

        .wt-trust-item .icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0,84,166,0.06), rgba(0,84,166,0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--wt-primary);
            font-size: 1.05rem;
            flex-shrink: 0;
            transition: var(--wt-transition);
        }

        .wt-trust-item:hover .icon {
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            color: #fff;
            transform: scale(1.05);
        }

        .wt-trust-item .text {
            font-size: 0.82rem;
            color: var(--wt-gray-600);
            font-weight: 600;
            line-height: 1.35;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        /* ============================================
           通用板块标题样式
           ============================================ */
        .wt-section { padding: 90px 0; }

        .wt-section-title {
            text-align: center;
            margin-bottom: 56px;
        }

        .wt-section-title h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--wt-gray-800);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .wt-section-title p {
            font-size: 1.02rem;
            color: var(--wt-text-light);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .wt-section-title .title-line {
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--wt-primary), var(--wt-primary-light));
            margin: 18px auto 0;
            border-radius: 2px;
        }

        /* ============================================
           核心产品总览
           ============================================ */
        .wt-products { background: var(--wt-gray-50); }

        .wt-product-card {
            background: var(--wt-white);
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--wt-shadow);
            transition: var(--wt-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            cursor: pointer;
            border: 1px solid rgba(0,20,60,0.04);
        }

        .wt-product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 48px rgba(0,20,60,0.1), 0 4px 12px rgba(0,20,60,0.04);
            border-color: rgba(0,84,166,0.08);
        }

        .wt-product-card .card-img-wrap {
            height: 210px;
            overflow: hidden;
            background: linear-gradient(135deg, var(--wt-gray-50), var(--wt-gray-100));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .wt-product-card .card-img-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(to top, rgba(255,255,255,0.8), transparent);
            pointer-events: none;
        }

        .wt-product-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--wt-transition);
        }

        .wt-product-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .wt-product-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .wt-product-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--wt-gray-800);
            margin-bottom: 10px;
        }

        .wt-product-card .card-text {
            font-size: 0.88rem;
            color: var(--wt-text-light);
            line-height: 1.65;
            flex: 1;
        }

        .wt-product-card .card-link {
            color: var(--wt-primary);
            font-size: 0.88rem;
            font-weight: 600;
            margin-top: 16px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--wt-transition);
        }

        .wt-product-card .card-link:hover {
            color: var(--wt-accent);
            gap: 8px;
        }

        /* ============================================
           四大"首家"成就
           ============================================ */
        .wt-milestones { background: var(--wt-white); }

        .wt-milestone-card {
            text-align: center;
            padding: 40px 24px 36px;
            border-radius: 14px;
            transition: var(--wt-transition);
            border: 1px solid var(--wt-gray-100);
            height: 100%;
            background: var(--wt-white);
            position: relative;
            overflow: hidden;
        }

        .wt-milestone-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--wt-primary), var(--wt-accent));
            transform: scaleX(0);
            transition: var(--wt-transition);
            transform-origin: left;
        }

        .wt-milestone-card:hover {
            border-color: rgba(0,84,166,0.12);
            box-shadow: var(--wt-shadow-md);
            background: #fafcff;
            transform: translateY(-4px);
        }

        .wt-milestone-card:hover::before {
            transform: scaleX(1);
        }

        .wt-milestone-card .badge-first {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            color: var(--wt-white);
            font-size: 1.5rem;
            margin-bottom: 22px;
            box-shadow: 0 6px 20px rgba(0,84,166,0.25);
        }

        .wt-milestone-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--wt-gray-800);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .wt-milestone-card p {
            font-size: 0.85rem;
            color: var(--wt-text-light);
            margin: 0;
        }

        /* ============================================
           技术体系架构 — 紧凑卡片网格
           ============================================ */
        .wt-architecture {
            background: var(--wt-gray-50);
        }

        .wt-arch-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .wt-arch-card {
            background: var(--wt-white);
            border-radius: 14px;
            box-shadow: var(--wt-shadow);
            padding: 24px;
            transition: var(--wt-transition);
            border: 1px solid rgba(0,20,60,0.04);
            position: relative;
        }

        .wt-arch-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--wt-shadow-md);
            border-color: rgba(0,84,166,0.1);
        }

        .wt-arch-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            color: var(--wt-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 14px;
            box-shadow: 0 4px 12px rgba(0,84,166,0.2);
        }

        .wt-arch-card-label {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--wt-primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 6px;
            opacity: 0.8;
        }

        .wt-arch-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--wt-gray-800);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .wt-arch-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .wt-arch-card ul li {
            font-size: 0.82rem;
            color: var(--wt-gray-600);
            line-height: 1.6;
            padding-left: 14px;
            position: relative;
            margin-bottom: 4px;
        }

        .wt-arch-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--wt-primary);
            opacity: 0.4;
        }

        /* 最后两张卡片占 1.5 列，居中 */
        .wt-arch-card:nth-child(4) {
            grid-column: 1 / 2;
        }
        .wt-arch-card:nth-child(5) {
            grid-column: 2 / 3;
        }

        @media (max-width: 991.98px) {
            .wt-arch-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .wt-arch-card:nth-child(4),
            .wt-arch-card:nth-child(5) { grid-column: auto; }
        }

        @media (max-width: 575.98px) {
            .wt-arch-grid { grid-template-columns: 1fr; }
        }

        .wt-delivery-capability {
            background: linear-gradient(135deg, rgba(0,84,166,0.05), rgba(77,148,219,0.05));
            border: 1px solid rgba(0,84,166,0.1);
            border-radius: var(--wt-radius);
            padding: 28px 32px;
            margin-top: 48px;
        }

        .wt-delivery-capability h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--wt-gray-800);
            margin-bottom: 14px;
        }

        .wt-delivery-capability ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
        }

        .wt-delivery-capability ul li {
            font-size: 0.88rem;
            color: var(--wt-gray-600);
            padding-left: 20px;
            position: relative;
            line-height: 1.8;
        }

        .wt-delivery-capability ul li::before {
            content: '\2713';
            position: absolute;
            left: 0;
            color: var(--wt-primary);
            font-weight: 700;
            font-size: 0.8rem;
        }

        @media (max-width: 767.98px) {
            .wt-architecture {
                background-image: none;
            }
        }
        /* ============================================
           CNAS 检测中心
           ============================================ */
        .wt-lab {
            background: linear-gradient(180deg, var(--wt-gray-50) 0%, #f0f5fb 100%);
            position: relative;
        }

        .wt-lab::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(0,84,166,0.1) 50%, transparent 100%);
        }

        .wt-lab-intro {
            font-size: 0.95rem;
            color: var(--wt-gray-600);
            line-height: 1.9;
            margin-bottom: 36px;
            max-width: 720px;
        }

        .wt-lab-image {
            border-radius: var(--wt-radius-lg);
            overflow: hidden;
            box-shadow: var(--wt-shadow-md);
            position: relative;
        }

        .wt-lab-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0,30,80,0.15) 100%);
            pointer-events: none;
        }

        .wt-lab-image img {
            width: 100%;
            display: block;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .wt-lab-image:hover img {
            transform: scale(1.03);
        }

        .wt-windtunnel-card {
            background: var(--wt-white);
            border-radius: 14px;
            padding: 28px;
            box-shadow: var(--wt-shadow);
            border-left: none;
            border-top: 3px solid transparent;
            background-image: linear-gradient(var(--wt-white), var(--wt-white)), linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            background-origin: padding-box, border-box;
            background-clip: padding-box, border-box;
            height: 100%;
            transition: var(--wt-transition);
            position: relative;
        }

        .wt-windtunnel-card:hover {
            box-shadow: var(--wt-shadow-md);
            transform: translateY(-4px);
            background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
            border-color: rgba(0,84,166,0.15);
        }

        .wt-windtunnel-card .tunnel-name {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--wt-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .wt-windtunnel-card .tunnel-name::before {
            content: '';
            width: 4px;
            height: 20px;
            border-radius: 2px;
            background: linear-gradient(180deg, var(--wt-primary), var(--wt-primary-light));
            flex-shrink: 0;
        }

        .wt-windtunnel-card .tunnel-specs {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .wt-windtunnel-card .tunnel-specs li {
            font-size: 0.85rem;
            color: var(--wt-gray-600);
            padding: 5px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid rgba(0,20,60,0.03);
        }

        .wt-windtunnel-card .tunnel-specs li:last-child {
            border-bottom: none;
        }

        .wt-windtunnel-card .tunnel-specs li i {
            color: var(--wt-primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .wt-pressure-lab {
            background: linear-gradient(145deg, var(--wt-primary-dark) 0%, var(--wt-primary) 60%, var(--wt-primary-light) 100%);
            border-radius: 14px;
            padding: 28px;
            color: var(--wt-white);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .wt-pressure-lab::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
        }

        .wt-pressure-lab h5 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
        }

        .wt-pressure-lab p {
            font-size: 0.85rem;
            opacity: 0.9;
            margin-bottom: 8px;
            line-height: 1.7;
            position: relative;
        }

        .wt-lab-advantages {
            display: flex;
            gap: 16px;
            margin-top: 36px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .wt-lab-advantage {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.86rem;
            color: var(--wt-primary);
            font-weight: 600;
            background: var(--wt-white);
            padding: 10px 18px;
            border-radius: 40px;
            box-shadow: var(--wt-shadow-sm);
            transition: var(--wt-transition);
            border: 1px solid rgba(0,84,166,0.06);
        }

        .wt-lab-advantage:hover {
            box-shadow: var(--wt-shadow);
            transform: translateY(-2px);
            border-color: rgba(0,84,166,0.12);
        }

        .wt-lab-advantage i { font-size: 1.1rem; }

        /* ============================================
           应用领域
           ============================================ */
        .wt-industries { background: var(--wt-white); }

        .wt-industry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .wt-industry-item {
            text-align: center;
            padding: 18px 8px;
            border-radius: 12px;
            transition: var(--wt-transition);
            cursor: default;
            border: 1px solid transparent;
        }

        .wt-industry-item:hover {
            background: rgba(0,84,166,0.03);
            border-color: rgba(0,84,166,0.06);
            transform: translateY(-4px);
        }

        .wt-industry-item .icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0,84,166,0.06), rgba(0,84,166,0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            font-size: 1.3rem;
            color: var(--wt-primary);
            transition: var(--wt-transition);
        }

        .wt-industry-item:hover .icon {
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            color: var(--wt-white);
            transform: scale(1.08);
            box-shadow: 0 8px 24px rgba(0,84,166,0.25);
        }

        .wt-industry-item .name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--wt-gray-700);
            letter-spacing: 0.02em;
        }

        /* ============================================
           应用案例 - 使用宣传册真实图片
           ============================================ */
        .wt-cases {
            background: var(--wt-gray-50);
            position: relative;
        }

        .wt-case-card {
            background: var(--wt-white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--wt-shadow);
            transition: var(--wt-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0,20,60,0.04);
        }

        .wt-case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 48px rgba(0,20,60,0.1), 0 4px 12px rgba(0,20,60,0.04);
            border-color: rgba(0,84,166,0.1);
        }

        .wt-case-card .case-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

        .wt-case-card .case-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(transparent, rgba(0,20,60,0.06));
            pointer-events: none;
        }

        .wt-case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        .wt-case-card .case-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--wt-gray-800);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .wt-case-card .case-products {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }

        .wt-case-card .case-products .tag {
            display: inline-block;
            background: linear-gradient(135deg, rgba(0,84,166,0.06), rgba(0,84,166,0.1));
            color: var(--wt-primary);
            font-size: 0.73rem;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 500;
            letter-spacing: 0.01em;
        }

        .wt-case-card .case-need {
            font-size: 0.85rem;
            color: var(--wt-text-light);
            line-height: 1.6;
            flex: 1;
        }

        .wt-case-card .case-need strong {
            color: var(--wt-gray-700);
        }

        .wt-view-all { text-align: center; margin-top: 40px; }

        .wt-link-arrow {
            color: var(--wt-primary);
            font-weight: 600;
            text-decoration: none;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--wt-transition);
            padding: 10px 24px;
            border-radius: 40px;
            background: rgba(0,84,166,0.04);
            border: 1px solid rgba(0,84,166,0.08);
        }

        .wt-link-arrow:hover {
            color: var(--wt-white);
            gap: 10px;
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(0,84,166,0.25);
        }

        /* ============================================
           合作伙伴 - 使用宣传册真实LOGO
           ============================================ */
        .wt-partners {
            background: var(--wt-white);
            position: relative;
        }

        .wt-partner-group { margin-bottom: 32px; }

        .wt-partner-group h5 {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--wt-primary);
            margin-bottom: 16px;
            padding-left: 14px;
            border-left: 3px solid transparent;
            border-image: linear-gradient(180deg, var(--wt-accent), var(--wt-primary)) 1;
            letter-spacing: 0.02em;
        }

        .wt-partner-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .wt-partner-logo {
            width: 145px;
            height: 56px;
            border-radius: 12px;
            background: var(--wt-white);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--wt-gray-200);
            padding: 6px 12px;
            transition: var(--wt-transition);
            overflow: hidden;
        }

        .wt-partner-logo:hover {
            border-color: rgba(0,84,166,0.2);
            box-shadow: 0 6px 20px rgba(0,84,166,0.1);
            transform: translateY(-3px);
            background: linear-gradient(180deg, #fff 0%, #fafcff 100%);
        }

        .wt-partner-logo img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            transition: var(--wt-transition);
            filter: grayscale(0.15);
        }

        .wt-partner-logo:hover img {
            filter: grayscale(0);
        }

        .wt-global-coverage {
            text-align: center;
            margin-top: 28px;
            padding: 20px 24px;
            background: linear-gradient(135deg, var(--wt-primary-bg) 0%, rgba(0,84,166,0.06) 100%);
            border-radius: 14px;
            color: var(--wt-text-light);
            font-size: 0.9rem;
            border: 1px solid rgba(0,84,166,0.06);
        }

        .wt-global-coverage strong { color: var(--wt-primary); }

        /* ============================================
           关于温特纳
           ============================================ */
        .wt-about {
            background: linear-gradient(180deg, var(--wt-gray-50) 0%, #f0f4fa 100%);
        }

        .wt-about-text {
            font-size: 0.95rem;
            color: var(--wt-gray-600);
            line-height: 1.95;
        }

        .wt-about-text p + p { margin-top: 18px; }

        .wt-about-image {
            border-radius: var(--wt-radius-lg);
            overflow: hidden;
            box-shadow: var(--wt-shadow-md);
            position: relative;
        }

        .wt-about-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--wt-radius-lg);
            box-shadow: inset 0 0 0 1px rgba(0,84,166,0.08);
            pointer-events: none;
        }

        .wt-about-image img {
            width: 100%;
            display: block;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .wt-about-image:hover img {
            transform: scale(1.03);
        }

        /* ============================================
           CTA 转化区 - 使用浅色渐变
           ============================================ */
        .wt-cta {
            background: linear-gradient(135deg, #0b2e5c 0%, var(--wt-primary) 50%, var(--wt-primary-light) 100%);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .wt-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 50% 60% at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 60%),
                radial-gradient(circle at 10% 80%, rgba(77,148,219,0.08) 0%, transparent 50%);
        }

        .wt-cta::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
            -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
        }

        .wt-cta .container { position: relative; z-index: 2; }

        .wt-cta h2 {
            font-size: 2rem;
            color: var(--wt-white);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .wt-cta .cta-subtitle {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin-bottom: 40px;
        }

        .wt-form-card {
            background: var(--wt-white);
            border-radius: 18px;
            padding: 40px;
            box-shadow: 0 24px 64px rgba(0,20,60,0.15), 0 8px 20px rgba(0,20,60,0.06);
        }

        .wt-form-card .form-label {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--wt-gray-700);
            margin-bottom: 6px;
        }

        .wt-form-card .form-control,
        .wt-form-card .form-select {
            border: 1.5px solid var(--wt-gray-200);
            border-radius: 10px;
            padding: 11px 16px;
            font-size: 0.9rem;
            transition: var(--wt-transition);
            background: var(--wt-gray-50);
        }

        .wt-form-card .form-control:focus,
        .wt-form-card .form-select:focus {
            border-color: var(--wt-primary);
            box-shadow: 0 0 0 4px rgba(0, 84, 166, 0.1);
            background: #fff;
        }

        .wt-form-card .btn-submit {
            background: linear-gradient(135deg, var(--wt-accent), #d45a1f);
            color: var(--wt-white);
            border: none;
            padding: 13px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            width: 100%;
            transition: var(--wt-transition);
            letter-spacing: 0.03em;
        }

        .wt-form-card .btn-submit:hover {
            background: linear-gradient(135deg, #d45a1f, var(--wt-accent));
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 100, 42, 0.35);
        }

        .wt-phone-cta {
            text-align: center;
            margin-top: 24px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.88rem;
            letter-spacing: 0.01em;
        }

        .wt-phone-cta a {
            color: var(--wt-white);
            font-size: 1.5rem;
            font-weight: 700;
            text-decoration: none;
            display: block;
            margin-top: 6px;
            letter-spacing: 0.04em;
            transition: var(--wt-transition);
        }

        .wt-phone-cta a:hover {
            color: rgba(255,255,255,0.9);
            text-shadow: 0 0 20px rgba(255,255,255,0.2);
        }

        /* ============================================
           FAQ 常见问题
           ============================================ */
        .wt-faq { background: var(--wt-gray-50); }

        .wt-faq .accordion-item {
            border: none;
            margin-bottom: 12px;
            border-radius: 14px !important;
            overflow: hidden;
            box-shadow: var(--wt-shadow-sm);
            border: 1px solid rgba(0,20,60,0.04);
            transition: var(--wt-transition);
            background: var(--wt-white);
        }

        .wt-faq .accordion-item:hover {
            box-shadow: var(--wt-shadow);
            border-color: rgba(0,84,166,0.08);
        }

        .wt-faq .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--wt-gray-700);
            background: transparent;
            padding: 20px 24px;
            box-shadow: none;
            letter-spacing: 0.01em;
            gap: 12px;
        }

        .wt-faq .accordion-button:not(.collapsed) {
            color: var(--wt-primary);
            background: rgba(0,84,166,0.02);
            font-weight: 700;
        }

        .wt-faq .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%230054a6' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .wt-faq .accordion-body {
            font-size: 0.88rem;
            color: var(--wt-gray-600);
            line-height: 1.85;
            padding: 0 24px 20px;
            border-top: 1px solid rgba(0,84,166,0.04);
            margin-top: -2px;
            padding-top: 16px;
        }

        /* ============================================
           页脚 Footer - 浅色调
           ============================================ */
        .wt-footer {
            background: linear-gradient(180deg, #1a2d45 0%, #0f1c2e 100%);
            color: rgba(255, 255, 255, 0.65);
            padding: 64px 0 0;
            position: relative;
        }

        .wt-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(0,84,166,0.3) 50%, transparent 100%);
        }

        .wt-footer h6 {
            color: var(--wt-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .wt-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .wt-footer .footer-brand img {
            height: 34px;
            filter: brightness(1.2);
        }

        .wt-footer .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            opacity: 0.7;
        }

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

        .wt-footer .footer-links li { margin-bottom: 10px; }

        .wt-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            font-size: 0.88rem;
            transition: var(--wt-transition);
            position: relative;
        }

        .wt-footer .footer-links a::before {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--wt-primary-light);
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .wt-footer .footer-links a:hover {
            color: var(--wt-white);
            padding-left: 0;
        }

        .wt-footer .footer-links a:hover::before {
            width: 100%;
        }

        .wt-footer .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .wt-footer .contact-item i {
            color: var(--wt-primary-light);
            margin-top: 3px;
            flex-shrink: 0;
            width: 18px;
            text-align: center;
        }

        .wt-footer .contact-item span {
            color: rgba(255, 255, 255, 0.55);
        }

        .wt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            margin-top: 44px;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.45;
            letter-spacing: 0.02em;
        }

        /* ============================================
           浮动元素
           ============================================ */
        .wt-float-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            color: var(--wt-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 8px 28px rgba(0, 84, 166, 0.35);
            transition: var(--wt-transition);
            border: none;
        }

        .wt-float-btn:hover {
            background: linear-gradient(135deg, var(--wt-primary-dark), var(--wt-primary));
            transform: scale(1.08) translateY(-2px);
            box-shadow: 0 12px 36px rgba(0, 84, 166, 0.4);
        }

        .wt-back-top {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            border: none;
            background: var(--wt-white);
            color: var(--wt-gray-500);
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(0,20,60,0.1);
            cursor: pointer;
            z-index: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--wt-transition);
            opacity: 0;
            visibility: hidden;
        }

        .wt-back-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .wt-back-top:hover {
            background: var(--wt-primary);
            color: var(--wt-white);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0,84,166,0.25);
        }

        .wt-mobile-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--wt-white);
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
            padding: 8px 0;
        }

        .wt-mobile-bar .row { margin: 0; }

        .wt-mobile-bar .col-6 { padding: 6px 12px; }

        .wt-mobile-bar .btn-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px;
            border-radius: var(--wt-radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--wt-transition);
            border: none;
            width: 100%;
        }

        .wt-mobile-bar .btn-phone { background: var(--wt-primary); color: var(--wt-white); }
        .wt-mobile-bar .btn-consult { background: var(--wt-accent); color: var(--wt-white); }

        /* ============================================
           滚动淡入动画
           ============================================ */
        .fade-up {
            opacity: 1;
            transform: none;
            transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .fade-up.animate-on-scroll {
            opacity: 0;
            transform: translateY(28px);
        }

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

        /* ============================================
           响应式适配
           ============================================ */
        @media (max-width: 991.98px) {
            .wt-hero h1 { font-size: 2.4rem; }
            .wt-hero-stat .number { font-size: 2rem; }
            .wt-industry-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
            .wt-section { padding: 70px 0; }
            .wt-section-title h2 { font-size: 1.8rem; }
            .wt-section-title { margin-bottom: 44px; }
        }

        @media (max-width: 767.98px) {
            .wt-hero {
                min-height: auto;
                padding: 120px 0 80px;
            }
            .wt-hero h1 { font-size: 1.85rem; }
            .wt-hero h1 .text-primary-highlight::after { height: 5px; bottom: 2px; }
            .wt-hero-highlights { grid-template-columns: 1fr; gap: 8px; }
            .wt-hero-highlight-item { padding: 10px 14px; gap: 10px; }
            .wt-hero-highlight-item .highlight-text { font-size: 0.8rem; }
            .wt-hero-stats { gap: 20px; }
            .wt-hero-stat .number { font-size: 1.6rem; }
            .wt-industry-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
            .wt-industry-item { padding: 14px 6px; }
            .wt-industry-item .icon { width: 42px; height: 42px; font-size: 1.1rem; }
            .wt-industry-item .name { font-size: 0.78rem; }
            .wt-section { padding: 56px 0; }
            .wt-section-title h2 { font-size: 1.55rem; }
            .wt-section-title { margin-bottom: 36px; }
            .wt-form-card { padding: 24px; border-radius: 14px; }
            .wt-mobile-bar { display: block; }
            .wt-float-btn { display: none; }
            .wt-partner-logo { width: 120px; height: 48px; }
            body { padding-bottom: 60px; }
            .wt-cta { padding-bottom: 100px; }
        }
    

        /* ============================================
           子页面特有样式（产品页hero等）
           ============================================ */
        .wt-breadcrumb{padding-top:80px;background:var(--wt-gray-100);padding-bottom:0}
        .wt-breadcrumb .breadcrumb{margin-bottom:0;background:none;padding:12px 0}
        .wt-breadcrumb .breadcrumb-item a{color:var(--wt-text-light);text-decoration:none;font-size:0.85rem}
        .wt-breadcrumb .breadcrumb-item a:hover{color:var(--wt-primary)}
        .wt-breadcrumb .breadcrumb-item.active{color:var(--wt-primary);font-size:0.85rem}

        .wt-page-hero{position:relative;padding:60px 0 80px;background:linear-gradient(165deg,#ffffff 0%,#edf4fc 30%,#d8e8f8 60%,#c0d8f0 85%,#a8c8e8 100%);overflow:hidden}
        .wt-page-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 70% 30%,rgba(0,84,166,0.08) 0%,transparent 50%),radial-gradient(circle at 20% 80%,rgba(232,100,42,0.05) 0%,transparent 50%)}
        .wt-page-hero .container{position:relative;z-index:2}
        .wt-page-hero h1{font-size:2.5rem;font-weight:700;color:var(--wt-gray-800);margin-bottom:16px}
        .wt-page-hero .subtitle{font-size:1.05rem;color:var(--wt-gray-500);margin-bottom:32px;max-width:600px}
        .wt-hero-tags{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
        .wt-hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,84,166,0.08);border:1px solid rgba(0,84,166,0.15);border-radius:20px;padding:6px 16px;color:var(--wt-gray-700);font-size:0.88rem;font-weight:500}
        .wt-hero-tag i{color:var(--wt-accent)}
        .wt-btn-outline-white{border:2px solid var(--wt-primary);color:var(--wt-primary);padding:10px 28px;border-radius:var(--wt-radius-sm);font-weight:600;font-size:0.95rem;transition:var(--wt-transition);text-decoration:none;display:inline-block;background:transparent}
        .wt-btn-outline-white:hover{border-color:var(--wt-primary-dark);color:var(--wt-white);background:var(--wt-primary)}
        .wt-btn-primary-lg{background:var(--wt-accent);color:var(--wt-white);padding:12px 32px;border-radius:var(--wt-radius-sm);font-weight:600;font-size:0.95rem;transition:var(--wt-transition);text-decoration:none;display:inline-block;border:none}
        .wt-btn-primary-lg:hover{background:var(--wt-accent-hover);color:var(--wt-white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,100,42,0.35)}

        .wt-overview-text{font-size:0.95rem;color:var(--wt-gray-600);line-height:1.9}
        .wt-overview-text p+p{margin-top:16px}
        .wt-overview-image{border-radius:var(--wt-radius);box-shadow:var(--wt-shadow-lg);height:100%;min-height:300px;background:linear-gradient(135deg,#0f2440,var(--wt-primary-dark));display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.15)}

        .wt-advantage-card{text-align:center;padding:36px 24px;background:var(--wt-white);border-radius:var(--wt-radius);box-shadow:var(--wt-shadow);height:100%;transition:var(--wt-transition);border-top:3px solid transparent}
        .wt-advantage-card:hover{border-top-color:var(--wt-primary);transform:translateY(-4px);box-shadow:var(--wt-shadow-md)}
        .wt-advantage-card .icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,rgba(0,84,166,0.1),rgba(77,148,219,0.1));display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem;color:var(--wt-primary)}
        .wt-advantage-card h4{font-size:1.05rem;font-weight:700;color:var(--wt-gray-800);margin-bottom:10px}
        .wt-advantage-card p{font-size:0.88rem;color:var(--wt-text-light);margin:0;line-height:1.6}

        .wt-spec-table-wrap{overflow-x:auto;border-radius:var(--wt-radius);box-shadow:var(--wt-shadow)}
        .wt-spec-table{width:100%;min-width:600px;background:var(--wt-white);border-collapse:collapse;font-size:0.88rem}
        .wt-spec-table thead{background:var(--wt-primary);color:var(--wt-white)}
        .wt-spec-table thead th{padding:14px 16px;font-weight:600;text-align:left;white-space:nowrap;font-size:0.85rem}
        .wt-spec-table tbody tr{border-bottom:1px solid var(--wt-gray-200);transition:var(--wt-transition)}
        .wt-spec-table tbody tr:hover{background:rgba(0,84,166,0.03)}
        .wt-spec-table tbody td{padding:14px 16px;color:var(--wt-gray-600);vertical-align:top;line-height:1.6}
        .wt-spec-table tbody td:first-child{font-weight:700;color:var(--wt-primary);white-space:nowrap}

        .wt-process-steps{display:flex;justify-content:center;gap:0;position:relative}
        .wt-process-step{flex:1;text-align:center;padding:0 12px;position:relative}
        .wt-process-step .step-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--wt-primary),var(--wt-primary-light));color:var(--wt-white);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.5rem;position:relative;z-index:2;box-shadow:0 4px 15px rgba(0,84,166,0.3)}
        .wt-process-step:not(:last-child)::after{content:'';position:absolute;top:32px;left:calc(50% + 40px);width:calc(100% - 80px);height:2px;background:var(--wt-primary);opacity:0.3}
        .wt-process-step .step-num{position:absolute;top:-6px;right:-6px;width:24px;height:24px;border-radius:50%;background:var(--wt-accent);color:var(--wt-white);font-size:0.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;z-index:3}
        .wt-process-step h5{font-size:0.95rem;font-weight:700;color:var(--wt-gray-800);margin-bottom:6px}
        .wt-process-step p{font-size:0.82rem;color:var(--wt-text-light);line-height:1.5;margin:0}

        .wt-scene-tag{display:inline-flex;align-items:center;gap:8px;background:var(--wt-gray-100);border:1px solid var(--wt-gray-200);border-radius:24px;padding:10px 20px;font-size:0.9rem;font-weight:500;color:var(--wt-gray-800);transition:var(--wt-transition);text-decoration:none;cursor:pointer}
        .wt-scene-tag:hover{background:var(--wt-primary);color:var(--wt-white);border-color:var(--wt-primary)}
        .wt-scene-tag i{font-size:1rem;color:var(--wt-primary);transition:var(--wt-transition)}
        .wt-scene-tag:hover i{color:var(--wt-white)}

        .wt-cta-sub{background:linear-gradient(135deg,var(--wt-gray-800) 0%,var(--wt-primary-dark) 50%,var(--wt-primary) 100%);padding:80px 0;position:relative;overflow:hidden}
        .wt-cta-sub::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 80% 50%,rgba(232,100,42,0.1) 0%,transparent 50%),radial-gradient(circle at 20% 50%,rgba(0,84,166,0.1) 0%,transparent 50%)}
        .wt-cta-sub .container{position:relative;z-index:2}
        .wt-cta-sub h2{font-size:2rem;color:var(--wt-white);font-weight:700;margin-bottom:8px}
        .wt-cta-sub .cta-subtitle{color:rgba(255,255,255,0.6);font-size:1rem;margin-bottom:40px}

        @media(max-width:991.98px){
            .wt-page-hero h1{font-size:2rem}
        }
        @media(max-width:767.98px){
            .wt-page-hero{padding:40px 0 60px}
            .wt-page-hero h1{font-size:1.6rem}
            .wt-hero-tags{gap:8px}
            .wt-hero-tag{font-size:0.8rem;padding:4px 12px}
            .wt-process-steps{flex-direction:column;align-items:center;gap:24px}
            .wt-process-step{text-align:center;max-width:280px}
            .wt-process-step:not(:last-child)::after{display:none}
        }

        /* SPA page management */
        .wt-page { min-height: auto; }
        
        /* Hide breadcrumb on home page */
        .wt-page[data-page="home"] .wt-breadcrumb { display: none; }

        /* ============================================
           探针页面专属样式
           ============================================ */

        /* 3D打印技术参数指标卡片行 */
        .wt-3dprint-specs {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }
        .wt-3dprint-spec {
            text-align: center;
            padding: 28px 16px;
            background: var(--wt-white);
            border-radius: var(--wt-radius);
            box-shadow: var(--wt-shadow);
            border-bottom: 3px solid var(--wt-primary);
            transition: var(--wt-transition);
        }
        .wt-3dprint-spec:hover {
            transform: translateY(-4px);
            box-shadow: var(--wt-shadow-md);
        }
        .wt-3dprint-spec .value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--wt-primary);
            font-family: "DM Sans", "Noto Sans SC", sans-serif;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .wt-3dprint-spec .label {
            font-size: 0.82rem;
            color: var(--wt-text-light);
            font-weight: 500;
        }

        /* 3D打印对比卡片 */
        .wt-3dprint-compare {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .wt-3dprint-compare-card {
            padding: 32px;
            border-radius: var(--wt-radius);
            background: var(--wt-white);
            box-shadow: var(--wt-shadow);
            transition: var(--wt-transition);
            border-left: 4px solid transparent;
        }
        .wt-3dprint-compare-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--wt-shadow-md);
        }
        .wt-3dprint-compare-card.accuracy {
            border-left-color: var(--wt-primary);
        }
        .wt-3dprint-compare-card.strength {
            border-left-color: var(--wt-accent);
        }
        .wt-3dprint-compare-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--wt-gray-800);
            margin-bottom: 12px;
        }
        .wt-3dprint-compare-card p {
            font-size: 0.9rem;
            color: var(--wt-gray-600);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .wt-3dprint-compare-card .highlight-box {
            margin-top: 20px;
            padding: 20px;
            background: linear-gradient(135deg, rgba(0,84,166,0.04), rgba(232,100,42,0.04));
            border-radius: var(--wt-radius-sm);
            border: 1px solid var(--wt-gray-200);
        }
        .wt-3dprint-compare-card .highlight-box .desc {
            font-size: 0.82rem;
            color: var(--wt-text-light);
            font-weight: 500;
        }
        .wt-3dprint-compare-card .highlight-box .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--wt-primary);
            font-family: "DM Sans", "Noto Sans SC", sans-serif;
            line-height: 1.2;
        }

        /* 产品参数矩阵孔数标签 */
        .holes-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--wt-primary), var(--wt-primary-light));
            color: var(--wt-white);
            font-size: 0.82rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* 产品案例网格 */
        .wt-gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .wt-gallery-item {
            border-radius: var(--wt-radius);
            overflow: hidden;
            box-shadow: var(--wt-shadow);
            background: var(--wt-white);
            transition: var(--wt-transition);
            cursor: pointer;
        }
        .wt-gallery-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--wt-shadow-lg);
        }
        .wt-gallery-item .img {
            overflow: hidden;
            position: relative;
        }
        .wt-gallery-item .img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .wt-gallery-item:hover .img img {
            transform: scale(1.08);
        }
        .wt-gallery-item .name {
            padding: 14px 16px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--wt-gray-800);
            text-align: center;
            border-top: 1px solid var(--wt-gray-200);
        }

        /* 探针概述统计数字 */
        .wt-probe-stats {
            display: flex;
            gap: 40px;
            margin-top: 28px;
        }
        .wt-probe-stat {
            position: relative;
        }
        .wt-probe-stat .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--wt-primary);
            font-family: "DM Sans", "Noto Sans SC", sans-serif;
            line-height: 1.1;
        }
        .wt-probe-stat .stat-num span {
            font-size: 1rem;
            font-weight: 600;
            color: var(--wt-accent);
        }
        .wt-probe-stat .stat-label {
            font-size: 0.82rem;
            color: var(--wt-text-light);
            font-weight: 500;
            margin-top: 4px;
        }

        /* 探针页面响应式 */
        @media (max-width: 991.98px) {
            .wt-3dprint-specs {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767.98px) {
            .wt-3dprint-specs {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .wt-3dprint-spec { padding: 20px 12px; }
            .wt-3dprint-spec .value { font-size: 1.2rem; }
            .wt-3dprint-compare {
                grid-template-columns: 1fr;
            }
            .wt-gallery-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .wt-gallery-item .img img { height: 150px; }
            .wt-probe-stats { gap: 24px; }
            .wt-probe-stat .stat-num { font-size: 1.8rem; }
        }