/* ===== 原内联样式（自动抽取，请勿手改此处语义；如需改样式改本文件） ===== */

/* =========================================
   1. 基础设置与变量 (Base & Variables)
   ========================================= */
:root {
    /* 品牌色 */
    --primary-color: #3380C8;        /* 科技蓝 */
    --primary-light: #e6f0fa;        /* 极浅蓝 */
    --primary-dark: #25629c;         /* 深蓝（悬浮态） */
    --accent-color: #00c853;         /* 成功绿 */
    --metal-color: #f59e0b;          /* 金属琥珀（MIM 烧结暖色） */

    /* 中性色 */
    --text-main: #1a202c;            /* 主要文字 */
    --text-sub: #4a5568;             /* 次要文字 */
    --text-light: #718096;           /* 浅色文字 */

    /* 玻璃拟态配置 */
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-card-bg: rgba(255, 255, 255, 0.45);
    --border-color: rgba(255, 255, 255, 0.3);

    /* 布局与阴影 */
    --container-width: 1200px;
    --border-radius: 16px;
    --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.02);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.06);
    --shadow-lg: 0 25px 50px -12px rgba(51, 128, 200, 0.15);

    /* 动画 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    padding-top: 20px;
    background-color: transparent;
    min-height: 100vh;
}

/* 渐变背景层 */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #f5f7fa 0%, #eef2f7 100%);
    z-index: -2;
    pointer-events: none;
}

/* Canvas 粒子动画层 */
#global-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    pointer-events: none;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* 容器 */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 间距工具类 */
.section-padding { padding: 5rem 0; }

/* 磨砂玻璃 Section 样式 */
.glass-section {
    background-color: var(--glass-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-top: 1px solid rgba(255,255,255,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    position: relative;
    z-index: 1;
}

.text-center { text-align: center; }

/* 标题样式 */
.section-header { text-align: center; margin-bottom: 3.5rem; position: relative; }
.section-title { font-size: 2.25rem; font-weight: 700; color: var(--text-main); margin-bottom: 1rem; letter-spacing: -0.5px; }
.section-line { width: 60px; height: 4px; background: var(--primary-color); margin: 0 auto 1rem; border-radius: 2px; }
.section-subtitle { font-size: 1.1rem; color: var(--text-sub); max-width: 640px; margin: 0 auto; }

/* 按钮样式 */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.8rem 2rem; border-radius: 50px; font-weight: 600; font-size: 1rem; transition: var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: var(--primary-color); color: white; box-shadow: 0 4px 10px rgba(51, 128, 200, 0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 15px rgba(51, 128, 200, 0.4); }
.btn-secondary { background: transparent; color: var(--primary-color); border-color: var(--primary-color); }
.btn-secondary:hover { background: rgba(51, 128, 200, 0.05); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--text-sub); border-color: #cbd5e0; }
.btn-outline:hover { border-color: var(--primary-color); color: var(--primary-color); }
.btn-light { background: white; color: var(--text-main); }

/* =========================================
   2. 悬浮灵动岛导航栏
   ========================================= */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1280px;
    height: 72px;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05), 0 1px 0 rgba(255,255,255,0.4) inset;
    z-index: 1000;
    border: 1px solid rgba(255,255,255,0.4);
    transition: all 0.4s ease;
}

.navbar.scrolled {
    top: 10px;
    width: 98%;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.nav-container { height: 100%; display: flex; justify-content: space-between; align-items: center; padding: 0 1.5rem; }
.nav-logo { display: flex; align-items: center; }
.logo-img { height: 36px; width: auto; }
.nav-menu-wrapper { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 0.5rem; }
.nav-item { position: relative; }

.nav-link { font-size: 0.95rem; font-weight: 500; color: var(--text-main); padding: 0.6rem 1.2rem; border-radius: 50px; transition: all 0.3s ease; display: flex; align-items: center; gap: 4px; }
.nav-link:hover, .nav-link.active { background: rgba(51, 128, 200, 0.08); color: var(--primary-color); }
.arrow-icon { font-size: 0.7rem; opacity: 0.6; margin-top: 2px; transition: transform 0.3s ease; }
.nav-item:hover .arrow-icon { transform: rotate(180deg); }
.nav-link::after { display: none; }

/* 2.1 二级导航 (Mega Menu) */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 15px); left: 50%; transform: translateX(-50%) translateY(20px);
    background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.8); border-radius: 16px;
    box-shadow: 0 20px 50px -10px rgba(51, 128, 200, 0.15), 0 0 0 1px rgba(255,255,255,0.6) inset;
    opacity: 0; visibility: hidden; transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    min-width: 480px; padding: 12px; z-index: 1100;
}
.nav-item::after { content: ''; position: absolute; top: 100%; left: 0; width: 100%; height: 20px; background: transparent; }
.has-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.dropdown-link { display: flex; align-items: center; padding: 14px 16px; border-radius: 12px; text-decoration: none; transition: all 0.2s ease; border: 1px solid transparent; }
.dropdown-link:hover { background: linear-gradient(to right, #f0f9ff, #f8fafc); border-color: rgba(51, 128, 200, 0.1); transform: translateX(4px); box-shadow: 0 4px 12px rgba(51, 128, 200, 0.06); }
.dropdown-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: white; border-radius: 10px; color: var(--primary-color); margin-right: 14px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); border: 1px solid rgba(0,0,0,0.03); transition: all 0.3s ease; flex-shrink: 0; }
.dropdown-link:hover .dropdown-icon { background: var(--primary-color); color: white; transform: rotate(-5deg) scale(1.1); }
.dropdown-icon svg { width: 20px; height: 20px; }
.dropdown-text { display: flex; flex-direction: column; }
.dropdown-title { font-size: 0.95rem; font-weight: 600; color: var(--text-main); line-height: 1.3; }
.dropdown-desc { font-size: 0.75rem; color: var(--text-light); margin-top: 3px; font-weight: 400; }
.dropdown-link:hover .dropdown-title { color: var(--primary-color); }

/* 2.2 导航右侧操作区 (含语言切换) */
.nav-actions { display: flex; align-items: center; gap: 0.8rem; }

.lang-selector { position: relative; }
.lang-btn {
    background: transparent; border: none; cursor: pointer;
    display: flex; align-items: center; gap: 6px;
    padding: 8px 12px; border-radius: 50px;
    color: var(--text-main); font-weight: 500; font-size: 0.9rem;
    transition: all 0.3s ease;
}
.lang-btn:hover, .lang-selector.active .lang-btn {
    background: rgba(51, 128, 200, 0.08); color: var(--primary-color);
}
.lang-icon { width: 18px; height: 18px; stroke-width: 2px; }
.lang-text { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; }
.lang-arrow { font-size: 0.7rem; opacity: 0.6; transition: transform 0.3s; margin-top: 2px; }
.lang-selector:hover .lang-arrow, .lang-selector.active .lang-arrow { transform: rotate(180deg); }

.lang-menu {
    position: absolute; top: 120%; right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    padding: 6px; min-width: 130px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    list-style: none; z-index: 1200;
}
.lang-selector:hover .lang-menu, .lang-selector.active .lang-menu {
    opacity: 1; visibility: visible; transform: translateY(0);
}

.lang-item a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; font-size: 0.9rem; color: var(--text-sub);
    border-radius: 8px; text-decoration: none; transition: all 0.2s;
}
.lang-item a:hover { background: var(--primary-light); color: var(--primary-color); }
.lang-item a.active { color: var(--primary-color); font-weight: 600; background: rgba(51, 128, 200, 0.05); }
.check-icon { width: 14px; height: 14px; opacity: 0; transform: scale(0.5); transition: all 0.2s; }
.lang-item a.active .check-icon { opacity: 1; transform: scale(1); }

/* CTA 按钮 */
.btn-nav-cta { background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); color: white; padding: 0.6rem 1.5rem; border-radius: 50px; font-size: 0.9rem; font-weight: 600; box-shadow: 0 4px 15px rgba(51, 128, 200, 0.3); transition: var(--transition); }
.btn-nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(51, 128, 200, 0.4); }

.mobile-cta-box { display: none; margin-top: 1rem; }
.hamburger { display: none; cursor: pointer; flex-direction: column; width: 24px; gap: 5px; }
.bar { height: 2px; background: #333; width: 100%; border-radius: 2px; transition: 0.3s; }

/* =========================================
   3. Hero Banner
   ========================================= */
.hero { position: relative; height: 100vh; min-height: 600px; display: flex; align-items: center; background: transparent; overflow: hidden; padding-top: 90px; }
.hero-content { position: relative; z-index: 5; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-title { font-size: 3.5rem; line-height: 1.15; margin-bottom: 1.5rem; color: #2d3748; }
.highlight { color: var(--primary-color); }
.hero-subtitle { font-size: 1.25rem; color: var(--text-sub); margin-bottom: 2.5rem; }
.hero-stats { display: flex; gap: 3rem; margin-bottom: 3rem; border-left: 4px solid var(--primary-color); padding-left: 2rem; }
.stat-number { font-family: 'JetBrains Mono', monospace; font-size: 2rem; font-weight: 800; color: var(--primary-color); line-height: 1; display: block; margin-bottom: 0.3rem; }
.stat-label { font-size: 0.875rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; }
.scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 10; animation: bounce 2s infinite; }
.scroll-arrow { width: 24px; height: 24px; border-right: 2px solid var(--primary-color); border-bottom: 2px solid var(--primary-color); transform: rotate(45deg); }

/* =========================================
   4. 通用卡片布局
   ========================================= */
.info-card {
    background: var(--glass-card-bg);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color); padding: 2.5rem 2rem;
    border-radius: var(--border-radius); text-align: center; transition: var(--transition);
}
.info-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); background: rgba(255, 255, 255, 0.7); }
.about-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card-icon-wrapper { height: 70px; margin: 0 auto 1.5rem auto; display: flex; justify-content: center; align-items: center; }
.card-icon { height: 100%; width: auto; }
.info-card h3 { margin-bottom: 1rem; color: var(--text-main); }
.info-card p { color: var(--text-sub); font-size: 0.95rem; }

/* =========================================
   5. Footer (深空悬浮版)
   ========================================= */
.footer-wrapper { padding: 0 20px 40px; position: relative; z-index: 10; }
.footer-glass-container {
    max-width: var(--container-width); margin: 0 auto;
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98));
    backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.1); border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px; padding: 3.5rem 3rem 1.5rem;
    box-shadow: 0 20px 50px -10px rgba(2, 6, 23, 0.5); color: #f8fafc;
}
.footer-top { display: grid; grid-template-columns: 1.4fr 0.8fr 1.2fr; gap: 4rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); margin-bottom: 2rem; }
.footer-logo { height: 42px; width: auto; margin-bottom: 1.5rem; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-desc { font-size: 0.95rem; line-height: 1.8; color: #cbd5e1; max-width: 340px; font-weight: 400; }
.footer-col h4 { color: #ffffff; font-size: 1.1rem; font-weight: 700; margin-bottom: 1.8rem; position: relative; display: inline-block; letter-spacing: 0.5px; }
.footer-col h4::after { content: ''; position: absolute; bottom: -8px; left: 0; width: 24px; height: 3px; background: var(--primary-color); border-radius: 2px; box-shadow: 0 0 12px rgba(51, 128, 200, 0.6); }
.footer-links li { margin-bottom: 1rem; }
.footer-links a { color: #e2e8f0; font-size: 0.95rem; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: inline-flex; align-items: center; position: relative; padding-left: 0; }
.footer-links a:hover { color: #ffffff; padding-left: 10px; text-shadow: 0 0 8px rgba(255,255,255,0.3); }
.footer-links a::before { content: '→'; position: absolute; left: 0; opacity: 0; color: var(--primary-color); transition: all 0.3s ease; transform: translateX(-10px); font-size: 0.9rem; }
.footer-links a:hover::before { opacity: 1; transform: translateX(0); }
.contact-item { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 1.4rem; color: #e2e8f0; font-size: 0.95rem; }
.contact-icon { min-width: 20px; height: 20px; color: #60a5fa; margin-top: 3px; filter: drop-shadow(0 0 4px rgba(96, 165, 250, 0.4)); transition: transform 0.3s ease; }
.contact-item:hover .contact-icon { transform: scale(1.1); }
.contact-item a { color: #e2e8f0; border-bottom: 1px solid transparent; transition: border-color 0.3s; }
.contact-item a:hover { color: #ffffff; border-bottom-color: #ffffff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; color: #94a3b8; }
.footer-bottom-links { display: flex; gap: 2rem; }
.footer-bottom-links a { color: #94a3b8; transition: color 0.3s; }
.footer-bottom-links a:hover { color: #f1f5f9; }

/* 6. Util & Animations */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--primary-color); z-index: 2000; width: 0%; transition: width 0.1s; }
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px; background: var(--primary-color); color: white; border: none; border-radius: 50%; cursor: pointer; box-shadow: 0 4px 12px rgba(51, 128, 200, 0.4); opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999; font-size: 1.2rem; }
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }
.fade-in-up { opacity: 0; transform: translateY(30px); transition: 0.8s ease; }
.fade-in-left { opacity: 0; transform: translateX(-30px); transition: 0.8s ease; }
.fade-in-right { opacity: 0; transform: translateX(30px); transition: 0.8s ease; }
.animate { opacity: 1; transform: translate(0, 0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translate(-50%, 0) rotate(45deg); } 40% { transform: translate(-50%, -10px) rotate(45deg); } 60% { transform: translate(-50%, -5px) rotate(45deg); } }

/* 7. Mobile */
@media (max-width: 992px) {
    .navbar { width: 90%; top: 15px; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text { margin-bottom: 2rem; }
    .hero-image-container { display: none; }
    .footer-top { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .footer-col h4::after { left: 50%; transform: translateX(-50%); }
    .footer-logo { margin: 0 auto 1.5rem; }
    .footer-desc { margin: 0 auto; }
    .contact-item { justify-content: center; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 768px) {
    .nav-actions .btn-nav-cta { display: none; }
    .mobile-cta-box { display: block; }
    .hamburger { display: flex; margin-left: auto; }
    .nav-menu-wrapper { position: fixed; top: 0; right: -100%; width: 85%; height: 100vh; background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); flex-direction: column; align-items: flex-start; padding: 100px 2rem; gap: 1rem; transition: 0.4s ease; box-shadow: -10px 0 30px rgba(0,0,0,0.1); }
    .nav-menu-wrapper.active { right: 0; }
    .nav-list { flex-direction: column; width: 100%; align-items: flex-start; gap: 0; }
    .nav-item { width: 100%; border-bottom: 1px solid rgba(0,0,0,0.05); }
    .nav-link { padding: 1rem 0; width: 100%; justify-content: space-between; border-radius: 0; font-size: 1.1rem; }

    /* 移动端下拉菜单优化 */
    .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: rgba(240,245,250,0.5); display: none; padding-left: 1rem; width: 100%; padding-top: 0; padding-bottom: 0; min-width: auto; }
    .has-dropdown.active .dropdown-menu { display: block; }
    .dropdown-grid { display: flex; flex-direction: column; gap: 0; }
    .dropdown-link { padding: 10px 0; border-radius: 0; background: transparent !important; box-shadow: none !important; transform: none !important; }
    .dropdown-icon { display: none; }
    .dropdown-desc { display: none; }
    .dropdown-title { font-weight: 500; font-size: 1rem; color: var(--text-sub); }

    .has-dropdown > .nav-link::after { content: '+'; position: static; width: auto; height: auto; background: none; color: var(--primary-color); font-size: 1.2rem; }
    .has-dropdown.active > .nav-link::after { content: '-'; }

    .footer-glass-container { padding: 2.5rem 1.5rem 1.5rem; }
}

    /* ===== MIM 材料库专属样式（与注塑/3D打印材料库一致的玻璃/科技蓝语言） ===== */
    body { font-family: 'Inter', 'Noto Sans SC', -apple-system, "Microsoft YaHei", sans-serif; }

    .page-hero { padding: 120px 0 10px; }
    .toolbar { max-width:1200px; margin: 0 auto 18px; padding: 0 40px; display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
    .search-box { flex:1; min-width:220px; position:relative; }
    .search-box input { width:100%; padding:12px 18px 12px 44px; border:1px solid var(--border-color); border-radius:50px; background:rgba(255,255,255,0.6); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); font-family:'Inter','Noto Sans SC',sans-serif; font-size:0.95rem; color:var(--text-main); transition:var(--transition); }
    .search-box input:focus { outline:none; border-color:var(--primary-color); box-shadow:0 0 0 3px rgba(51,128,200,0.12); }
    .search-box svg { position:absolute; left:16px; top:50%; transform:translateY(-50%); color:var(--text-light); width:18px; height:18px; }

    .filter-bar { max-width:1200px; margin:0 auto 14px; padding:0 40px; display:flex; gap:10px; flex-wrap:wrap; }
    .filter-btn { background:rgba(255,255,255,0.6); border:1px solid var(--border-color); padding:8px 20px; border-radius:50px; font-size:0.9rem; color:var(--text-sub); cursor:pointer; font-family:'Inter','Noto Sans SC',sans-serif; font-weight:500; transition:var(--transition); backdrop-filter:blur(10px); }
    .filter-btn:hover { border-color:var(--primary-color); color:var(--primary-color); }
    .filter-btn.active { background:var(--primary-color); color:#fff; border-color:var(--primary-color); }

    .source-bar { max-width:1200px; margin:0 auto; padding:0 40px 6px; display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
    .source-btn { background:none; border:1px solid var(--border-color); padding:7px 18px; border-radius:50px; font-size:0.85rem; color:var(--text-sub); cursor:pointer; font-family:'Inter','Noto Sans SC',sans-serif; font-weight:500; transition:all .2s; backdrop-filter:blur(10px); }
    .source-btn:hover { border-color:var(--primary-color); color:var(--primary-color); }
    .source-btn.active { background:var(--primary-color); color:#fff; border-color:var(--primary-color); }
    .info-note { max-width:1200px; margin:0 auto 14px; padding:14px 24px; font-size:0.82rem; color:var(--text-sub); line-height:1.7; background:rgba(255,255,255,0.5); border-radius:14px; backdrop-filter:blur(8px); }
    .info-note b.stock { color:#15803d; } .info-note b.ref { color:#4338ca; }
    .info-note b.ss { color:#2563eb; } .info-note b.ti { color:#0891b2; } .info-note b.w { color:#7c3aed; }
    .info-note b.fe { color:#b45309; } .info-note b.wc { color:#dc2626; } .info-note b.kv { color:#059669; }
    .result-count { margin-left:auto; color:var(--text-light); font-size:0.85rem; align-self:center; font-family:'JetBrains Mono', monospace; white-space:nowrap; }
    .family-select { padding:8px 16px; border:1px solid var(--border-color); border-radius:50px; background:rgba(255,255,255,0.7); font-family:'Inter','Noto Sans SC',sans-serif; font-size:0.85rem; color:var(--text-main); cursor:pointer; backdrop-filter:blur(10px); }

    .grid { max-width:1200px; margin:0 auto; padding:10px 40px 70px; display:grid; grid-template-columns:repeat(auto-fill, minmax(330px, 1fr)); gap:24px; }
    .card { background:rgba(255,255,255,0.6); backdrop-filter:blur(15px); -webkit-backdrop-filter:blur(15px); border:1px solid rgba(255,255,255,0.6); border-radius:20px; padding:22px; position:relative; cursor:pointer; transition:all 0.4s cubic-bezier(0.25,0.8,0.25,1); box-shadow:0 10px 30px -10px rgba(0,0,0,0.05); overflow:visible; min-height:340px; display:flex; flex-direction:column; }
    .card:hover { transform:translateY(-8px); box-shadow:0 25px 50px -12px rgba(51,128,200,0.25); border-color:rgba(51,128,200,0.4); background:rgba(255,255,255,0.92); }
    .card.selected { border-color:var(--primary-color); box-shadow:0 0 0 2px var(--primary-color) inset; }
    .select-check { position:absolute; top:16px; right:16px; width:26px; height:26px; border-radius:50%; background:var(--primary-color); display:flex; align-items:center; justify-content:center; }
    .dot { width:10px; height:10px; border-radius:50%; display:inline-block; margin-right:8px; vertical-align:middle; }
    .dot.ss  { background:#3380C8; box-shadow:0 0 0 3px rgba(51,128,200,0.2); }
    .dot.ti  { background:#06b6d4; box-shadow:0 0 0 3px rgba(6,182,212,0.2); }
    .dot.w   { background:#8b5cf6; box-shadow:0 0 0 3px rgba(139,92,246,0.2); }
    .dot.fe  { background:#f59e0b; box-shadow:0 0 0 3px rgba(245,158,11,0.2); }
    .dot.wc  { background:#ef4444; box-shadow:0 0 0 3px rgba(239,68,68,0.2); }
    .dot.kv  { background:#10b981; box-shadow:0 0 0 3px rgba(16,185,129,0.2); }
    .card-header { margin-bottom:6px; }
    .code-name { font-size:1.25rem; font-weight:700; color:var(--text-main); }
    .code-name.long-code { font-size:1.05rem; letter-spacing:-0.3px; line-height:1.2; word-break:break-all; }
    .full-name { font-size:0.85rem; color:var(--text-light); margin-top:2px; }
    .desc-text { font-size:0.88rem; color:var(--text-sub); line-height:1.6; margin:10px 0; }
    .chip-row { display:flex; gap:6px; flex-wrap:wrap; margin-top:auto; padding-top:10px; }
    .chip { font-size:0.7rem; padding:3px 10px; border-radius:8px; background:rgba(51,128,200,0.08); color:var(--primary-color); font-weight:500; }
    .source-tag { font-size:0.68rem; padding:3px 10px; border-radius:20px; font-weight:600; white-space:nowrap; }
    .source-tag.stock { background:#dcfce7; color:#15803d; }
    .source-tag.ref { background:#e0e7ff; color:#4338ca; }
    .stats-row { display:flex; gap:14px; margin-top:12px; }
    .stat-item { flex:1; }
    .stat-label { font-size:0.75rem; color:var(--text-light); display:block; margin-bottom:4px; }
    .progress-bg { height:6px; background:#e2e8f0; border-radius:3px; overflow:hidden; }
    .progress-fill { height:100%; background:linear-gradient(90deg, var(--primary-color), #60a5fa); border-radius:3px; }

    .compare-bar { position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(140%); max-width:900px; width:92%; background:rgba(255,255,255,0.85); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); border:1px solid rgba(255,255,255,0.8); border-radius:50px; padding:14px 28px; display:flex; justify-content:space-between; align-items:center; box-shadow:0 20px 50px -10px rgba(51,128,200,0.3); z-index:1200; transition:transform 0.4s cubic-bezier(0.165,0.84,0.44,1); }
    .compare-bar.visible { transform:translateX(-50%) translateY(0); }
    .compare-count { font-family:'JetBrains Mono', monospace; font-weight:700; color:var(--primary-color); }
    .clear-btn { background:transparent; border:1px solid #cbd5e0; color:var(--text-sub); padding:8px 18px; border-radius:50px; cursor:pointer; font-family:'Inter','Noto Sans SC',sans-serif; transition:var(--transition); }
    .clear-btn:hover { border-color:var(--primary-color); color:var(--primary-color); }
    .compare-btn { background:var(--primary-color); color:#fff; border:none; padding:9px 22px; border-radius:50px; cursor:pointer; font-family:'Inter','Noto Sans SC',sans-serif; font-weight:600; transition:var(--transition); }
    .compare-btn:hover { background:var(--primary-dark); }

    .modal-mask { position:fixed; inset:0; background:rgba(15,23,42,0.45); backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px); display:flex; align-items:center; justify-content:center; opacity:0; visibility:hidden; transition:all 0.3s; z-index:2000; padding:20px; }
    .modal-mask.active { opacity:1; visibility:visible; }
    .modal-panel { background:rgba(255,255,255,0.92); backdrop-filter:blur(25px); -webkit-backdrop-filter:blur(25px); border:1px solid rgba(255,255,255,0.8); border-radius:24px; max-width:1000px; width:100%; max-height:90vh; overflow:auto; display:grid; grid-template-columns:1.1fr 0.9fr; box-shadow:var(--shadow-lg); position:relative; }
    .close-btn { position:absolute; top:18px; right:18px; width:38px; height:38px; border-radius:50%; border:none; background:rgba(0,0,0,0.05); color:var(--text-main); font-size:1.3rem; cursor:pointer; z-index:5; transition:var(--transition); }
    .close-btn:hover { background:rgba(0,0,0,0.1); }
    .modal-content { padding:42px 40px; }
    .m-title { font-size:2rem; color:var(--text-main); margin-bottom:6px; }
    .m-sub { font-size:1rem; color:var(--text-light); font-family:'JetBrains Mono', monospace; margin-bottom:18px; }
    .m-section { text-align:left; margin:22px 0 12px; font-size:1.1rem; font-weight:700; color:var(--text-main); position:relative; }
    .m-section::after { content:''; display:block; width:40px; height:3px; background:var(--primary-color); border-radius:2px; margin-top:8px; }
    .text-list { list-style:none; }
    .text-list li { position:relative; padding-left:22px; margin-bottom:8px; color:var(--text-sub); font-size:0.92rem; line-height:1.5; }
    .text-list li::before { content:'●'; position:absolute; left:0; color:var(--primary-color); font-size:0.7rem; top:4px; }
    .app-tag { display:inline-block; background:rgba(51,128,200,0.08); color:var(--primary-color); padding:5px 12px; border-radius:8px; font-size:0.82rem; margin:0 8px 8px 0; }
    .spec-row { display:flex; justify-content:space-between; padding:9px 0; border-bottom:1px solid rgba(0,0,0,0.06); font-size:0.92rem; gap:16px; }
    .spec-row span { color:var(--text-sub); } .spec-row b { color:var(--text-main); font-family:'JetBrains Mono', monospace; font-weight:500; text-align:right; }
    .m-source-note { font-size:0.8rem; color:var(--text-light); margin-top:12px; padding:10px 14px; background:rgba(248,250,252,0.8); border-radius:10px; }
    .modal-sidebar { padding:42px 36px; background:linear-gradient(160deg, rgba(238,244,250,0.6), rgba(255,255,255,0.4)); border-left:1px solid rgba(0,0,0,0.05); display:flex; flex-direction:column; align-items:center; justify-content:center; }
    .compare-header { text-align:center; margin-bottom:6px; }
    .compare-header h2 { font-size:1.8rem; margin-bottom:8px; color:var(--text-main); }
    .compare-header p { color:var(--text-light); }
    .compare-chart-container { position:relative; height:520px; width:100%; padding:0 20px 30px; }

    @media (max-width: 768px) {
        .page-hero { padding:110px 0 10px; }
        .modal-panel { grid-template-columns:1fr; }
        .modal-sidebar { border-left:none; border-top:1px solid rgba(0,0,0,0.05); }
        .grid { padding:10px 20px 70px; }
        .source-bar, .info-note, .toolbar, .filter-bar { padding-left:20px; padding-right:20px; }
        .navbar .nav-list { gap:0; }
    }

/* ===== MIM材料页增强组件（独立 class，纳入本页 <style>） ===== */
.zh-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'Inter',sans-serif;font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.72rem;color:var(--primary-color);margin-bottom:1rem}
.zh-eyebrow::before{content:"";width:26px;height:2px;background:var(--accent-color);border-radius:2px}
.section-header .zh-eyebrow{margin:0 auto 1rem}

/* 核心指标 动画条形图 */
.zhx-metrics{background:var(--glass-card-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:2.4rem;box-shadow:var(--shadow-md);max-width:880px;margin:0 auto}
.zhx-bar{margin-bottom:18px}
.zhx-bar:last-child{margin-bottom:0}
.zhx-bar-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:7px}
.zhx-name{font-size:.92rem;color:var(--text-main);font-weight:600}
.zhx-val{font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--primary-color);font-size:.95rem}
.zhx-track{background:#e2e8f0;border-radius:8px;height:14px;overflow:hidden}
.zhx-fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary-color),var(--primary-dark));border-radius:8px;transition:width 1.4s cubic-bezier(.2,.8,.2,1)}

/* MIM材料体系总览表筛选提示 */
.zhx-fm-note{margin-top:1rem;font-size:.82rem;color:var(--text-sub);display:flex;gap:10px;align-items:flex-start;background:rgba(51,128,200,.08);border:1px solid rgba(51,128,200,.18);border-radius:12px;padding:12px 16px;line-height:1.6}
.zhx-fm-note b{color:var(--primary-color)}

/* FAQ（本页独立定义，避免与已有脚本/样式冲突） */
.zhx-faq{max-width:880px;margin:0 auto}
.zhx-faq-item{background:var(--glass-card-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border-color);border-radius:14px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-md);transition:var(--transition)}
.zhx-faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;cursor:pointer;font-weight:600;font-size:1.02rem;color:var(--text-main)}
.zhx-faq-q .pm{width:30px;height:30px;border-radius:50%;background:rgba(51,128,200,.1);color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;transition:.3s}
.zhx-faq-item.open .pm{transform:rotate(45deg);background:var(--primary-color);color:#fff}
.zhx-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.zhx-faq-a p{padding:0 22px 20px;color:var(--text-sub);font-size:.94rem;line-height:1.7}

/* CTA（与全站 .zh-cta 一致） */
.zh-cta{background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));border-radius:26px;padding:54px 44px;text-align:center;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.zh-cta::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(0,200,83,.25);filter:blur(10px)}
.zh-cta h2{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:700;margin-bottom:12px;position:relative}
.zh-cta p{opacity:.92;max-width:620px;margin:0 auto 26px;position:relative;line-height:1.7}

@media(max-width:768px){
  .zhx-metrics{padding:1.8rem 1.2rem}
  .zhx-bar-top{flex-direction:column;align-items:flex-start;gap:3px}
}
/* ===== MIM 材料体系总览表 ===== */
.mim-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  background: #fff;
  border: 1px solid #cbdff0;
  border-radius: 16px;
  box-shadow: 0 8px 26px rgba(37, 98, 156, 0.08);
  scrollbar-width: thin;
  scrollbar-color: #b6cfe5 #f0f5fa;
}

#zhxMimTable {
  width: 100%;
  min-width: 1060px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
  line-height: 1.65;
  color: #475569;
}

/* 单元格留白与分隔线 */
#zhxMimTable th,
#zhxMimTable td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: middle;
}

#zhxMimTable th:not(:last-child),
#zhxMimTable td:not(:last-child) {
  border-right: 1px solid #e3edf5;
}

/* 蓝色表头 */
#zhxMimTable thead {
  background: linear-gradient(100deg, #3380c8, #25629c);
}

#zhxMimTable thead th {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 1px solid #25629c;
}

#zhxMimTable thead th:not(:last-child) {
  border-right-color: rgba(255, 255, 255, 0.18);
}

/* 白色、浅蓝色隔行底纹 */
#zhxMimTable tbody td {
  background: #fff;
  border-bottom: 1px solid #e3edf5;
  transition: background-color 0.2s ease;
}

#zhxMimTable tbody tr:nth-child(even) td {
  background: #f3f7fc;
}

#zhxMimTable tbody tr:last-child td {
  border-bottom: 0;
}

/* 材料名称适度突出 */
#zhxMimTable tbody td:first-child {
  color: #25629c;
  font-weight: 600;
  white-space: nowrap;
}

/* 数值列保持完整，便于横向比较 */
#zhxMimTable tbody td:nth-child(3),
#zhxMimTable tbody td:nth-child(4),
#zhxMimTable tbody td:nth-child(5) {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* 整行悬停高亮 */
#zhxMimTable tbody tr:hover td {
  background: #e3effb;
}

#zhxMimTable tbody tr:hover td:first-child {
  box-shadow: inset 3px 0 0 #3380c8;
}

@media (max-width: 768px) {
  .mim-table-wrap {
    border-radius: 12px;
  }

  #zhxMimTable th,
  #zhxMimTable td {
    padding: 13px 15px;
  }
}