/* ============================================================ 无锡立信染整机械有限公司官网 — 全站样式 主题色：深蓝 #0d2b52 / 品牌蓝 #1e4d8c / 强调绿 #1a7a4a 辅黄 #f4a020 / 正文 #333 / 背景 #fff / 浅灰 #f5f7fa 风格：工业风、现代、响应式 ============================================================ */ :root { --deep-blue: #0d2b52; --brand-blue: #1e4d8c; --accent-green: #1a7a4a; --accent-yellow: #f4a020; --text: #333333; --bg: #ffffff; --bg-light: #f5f7fa; --border: #dde3ec; --white: #ffffff; --shadow: 0 4px 16px rgba(13, 43, 82, 0.10); --radius: 6px; --max-width: 1200px; } * { margin: 0; padding: 0; box-sizing: border-box; } html { scroll-behavior: smooth; } body { font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; font-size: 16px; } img { max-width: 100%; display: block; } a { color: var(--brand-blue); text-decoration: none; } a:hover { color: var(--deep-blue); } /* ---------- 语言切换（纯 CSS 控制，JS 只切 ） ---------- */ html[lang="zh"] .en { display: none !important; } html[lang="en"] .zh { display: none !important; } /* ---------- 顶栏导航（sticky） ---------- */ .navbar { position: sticky; top: 0; z-index: 100; background: var(--deep-blue); color: var(--white); box-shadow: var(--shadow); } .navbar-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; } .navbar .brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-size: 18px; font-weight: 700; letter-spacing: 1px; white-space: nowrap; } .navbar .brand .brand-logo { width: 34px; height: 34px; border-radius: 4px; background: linear-gradient(135deg, var(--brand-blue), var(--accent-green)); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 800; color: var(--white); } .nav-links { display: flex; align-items: center; gap: 4px; list-style: none; } .nav-links a { display: block; padding: 8px 14px; border-radius: 4px; color: #d7e2f2; font-size: 15px; transition: background 0.2s, color 0.2s; } .nav-links a:hover, .nav-links a.active { background: rgba(255, 255, 255, 0.12); color: var(--white); } /* 语言切换按钮 */ #lang-toggle { margin-left: 8px; padding: 6px 14px; border: 1px solid rgba(255, 255, 255, 0.5); border-radius: 20px; background: transparent; color: var(--white); font-size: 13px; cursor: pointer; transition: background 0.2s, color 0.2s; } #lang-toggle:hover { background: var(--white); color: var(--deep-blue); } /* 移动端导航开关按钮 */ .nav-toggle { display: none; background: transparent; border: none; cursor: pointer; width: 40px; height: 40px; position: relative; } .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px auto; border-radius: 2px; transition: transform 0.25s, opacity 0.25s; } /* ---------- Hero ---------- */ .hero { position: relative; color: var(--white); background: linear-gradient(135deg, var(--deep-blue) 0%, var(--brand-blue) 100%); padding: 96px 24px 88px; overflow: hidden; } .hero::after { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; background: rgba(244, 160, 32, 0.12); } .hero-inner { position: relative; z-index: 1; max-width: var(--max-width); margin: 0 auto; } .hero h1 { font-size: 42px; line-height: 1.25; margin-bottom: 16px; letter-spacing: 1px; } .hero .hero-sub { font-size: 18px; color: #c9d8ee; max-width: 640px; margin-bottom: 28px; } .hero .hero-img { margin-top: 32px; max-width: 900px; border-radius: var(--radius); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35); } /* ---------- 通用区块 ---------- */ .section { max-width: var(--max-width); margin: 0 auto; padding: 64px 24px; } .section-alt { background: var(--bg-light); } .section .section-title { font-size: 28px; color: var(--deep-blue); text-align: center; margin-bottom: 8px; } .section .section-title::after { content: ""; display: block; width: 56px; height: 3px; background: var(--accent-green); margin: 12px auto 0; border-radius: 2px; } .section .section-desc { text-align: center; color: #666; margin: 14px auto 36px; max-width: 720px; } /* ---------- 卡片网格 ---------- */ .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; } .card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 8px rgba(13, 43, 82, 0.06); transition: transform 0.25s, box-shadow 0.25s; } .card:hover { transform: translateY(-4px); box-shadow: var(--shadow); } .card .card-img { width: 100%; height: 200px; object-fit: cover; } .card .card-body { padding: 18px 20px 22px; } .card .card-title { font-size: 18px; color: var(--deep-blue); margin-bottom: 8px; } .card .card-text { color: #555; font-size: 14px; margin-bottom: 14px; } /* ---------- 锚点定位：预留 sticky 导航高度 ---------- */ section[id] { scroll-margin-top: 84px; } /* ---------- 产品分区 ---------- */ .product-block { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; padding: 32px 0; border-bottom: 1px solid var(--border); } .product-block:last-of-type { border-bottom: none; } .product-block .product-img { width: 100%; max-height: 420px; object-fit: contain; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); } /* 分辨率较低的实拍图限制显示宽度，避免放大模糊 */ .product-block .product-img.img-small { max-width: 420px; } .product-block .product-info h3 { font-size: 22px; color: var(--deep-blue); margin-bottom: 12px; } .product-block .product-info p { color: #555; margin-bottom: 10px; } .product-block .product-info ul { margin: 10px 0 0 20px; color: #555; } .product-block .product-info li { margin-bottom: 6px; } /* ---------- 中样系列单机图网格 ---------- */ .sample-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 16px 0 8px; } .sample-grid figure { margin: 0; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; } .sample-grid figure img { width: 100%; height: 170px; object-fit: contain; background: var(--white); } .sample-grid figcaption { padding: 8px 10px; font-size: 13px; color: #555; text-align: center; border-top: 1px solid var(--border); } /* ---------- 规格表格（斑马纹） ---------- */ .spec-table { width: 100%; border-collapse: collapse; margin: 16px 0 8px; font-size: 14px; } .spec-table th, .spec-table td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; } .spec-table th { background: var(--brand-blue); color: var(--white); font-weight: 600; } .spec-table tbody tr:nth-child(even) { background: var(--bg-light); } .spec-table tbody tr:hover { background: #eef3fa; } /* ---------- 价值主张三卡片 ---------- */ .values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; } .value-card { background: var(--white); border: 1px solid var(--border); border-top: 4px solid var(--accent-green); border-radius: var(--radius); padding: 28px 24px; text-align: center; transition: transform 0.25s, box-shadow 0.25s; } .value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); } .value-card .value-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; background: rgba(26, 122, 74, 0.12); color: var(--accent-green); font-size: 26px; display: flex; align-items: center; justify-content: center; } .value-card .value-title { font-size: 18px; color: var(--deep-blue); margin-bottom: 8px; } .value-card .value-text { color: #555; font-size: 14px; } /* ---------- CTA 区块 / 按钮 ---------- */ .cta { background: linear-gradient(120deg, var(--deep-blue), var(--brand-blue)); color: var(--white); text-align: center; padding: 72px 24px; } .cta h2 { font-size: 30px; margin-bottom: 12px; } .cta p { color: #c9d8ee; margin-bottom: 28px; } .btn { display: inline-block; padding: 12px 32px; border-radius: 24px; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: background 0.2s, transform 0.2s, box-shadow 0.2s; } .btn-primary { background: var(--accent-green); color: var(--white); } .btn-primary:hover { background: #14643d; color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(26, 122, 74, 0.4); } .btn-secondary { background: var(--accent-yellow); color: var(--deep-blue); } .btn-secondary:hover { background: #e09100; color: var(--deep-blue); transform: translateY(-2px); } .btn-outline { background: transparent; border: 2px solid var(--white); color: var(--white); } .btn-outline:hover { background: var(--white); color: var(--deep-blue); } /* ---------- 联系表单 ---------- */ .contact-form { max-width: 640px; margin: 0 auto; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); } .contact-form .form-group { margin-bottom: 18px; } .contact-form label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--deep-blue); font-weight: 600; } .contact-form input, .contact-form textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 4px; font-size: 15px; font-family: inherit; color: var(--text); background: var(--bg); } .contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--brand-blue); box-shadow: 0 0 0 3px rgba(30, 77, 140, 0.15); } .contact-form textarea { resize: vertical; min-height: 120px; } .form-tip { display: none; margin-top: 14px; padding: 12px 16px; border-radius: 4px; background: rgba(26, 122, 74, 0.1); border: 1px solid rgba(26, 122, 74, 0.35); color: var(--accent-green); font-size: 14px; } .form-tip.show { display: block; } /* ---------- 页脚 ---------- */ .footer { background: #081c36; color: #b9c7dd; font-size: 14px; } .footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 40px 24px 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; } .footer h4 { color: var(--white); margin-bottom: 12px; font-size: 15px; } .footer a { color: #b9c7dd; } .footer a:hover { color: var(--accent-yellow); } .footer ul { list-style: none; } .footer li { margin-bottom: 8px; } .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); text-align: center; padding: 16px 24px; font-size: 13px; color: #7f92ad; } /* ---------- 其他工具类 ---------- */ .text-center { text-align: center; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } /* ---------- 响应式：移动端 ≤768px 单列 ---------- */ @media (max-width: 768px) { .navbar-inner { height: 56px; padding: 0 16px; } .nav-toggle { display: block; order: 3; } .nav-links { position: absolute; top: 56px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--deep-blue); padding: 8px 16px 16px; display: none; gap: 2px; box-shadow: var(--shadow); } .nav-links.open { display: flex; } .nav-links a { padding: 12px 10px; border-radius: 4px; } #lang-toggle { margin-left: auto; margin-right: 8px; } .hero { padding: 56px 20px 48px; } .hero h1 { font-size: 28px; } .hero .hero-sub { font-size: 16px; } .section { padding: 44px 20px; } .section .section-title { font-size: 22px; } .product-block { grid-template-columns: 1fr; gap: 20px; } .sample-grid { grid-template-columns: repeat(2, 1fr); } .sample-grid figure img { height: 140px; } .values { grid-template-columns: 1fr; } .cards { grid-template-columns: 1fr; } .contact-form { padding: 22px 18px; } .cta { padding: 48px 20px; } .cta h2 { font-size: 24px; } }