/* ====== Tokens（供导航/页脚使用；如页面内已定义相同变量，会以页面为准） ====== */ :root{ --brand:#2f8e2f; --brand-dark:#237023; --text:#1e293b; --muted:#64748b; --bg:#f8fafc; --card:#ffffff; --shadow:0 10px 30px rgba(2,6,23,.10); --radius:14px; --ring:#1d4ed8; } /* 与 home.html 的基础链接样式保持一致 */ a{ color:inherit; text-decoration:none } /* ====== Header / Topbar ====== */ header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 6px 18px rgba(2,6,23,.06)} .topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 0} .topbar .logo img{height:56px} .topbar-right{display:flex;align-items:center;gap:12px} /* 语言按钮组 */ .lang-switch{display:inline-flex; background:#f1f5f9; border-radius:10px; padding:4px} .lang-btn{border:0; background:transparent; padding:6px 10px; border-radius:8px; cursor:pointer; font-weight:600; color:#0f172a; min-width:42px;} .lang-btn[aria-pressed="true"]{ background:#1d4ed8; color:#fff } .lang-btn:hover{ background:#e2e8f0 } /* 通用按钮（导航/页脚会用到） */ .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 14px;border-radius:8px;border:0;cursor:pointer;font-weight:700} .btn-primary{background:#66bb2b;color:#fff;text-transform:uppercase;box-shadow:0 2px 0 rgba(0,0,0,.08)} .btn-primary:hover{background:#57a326} /* 搜索框（导航右侧） */ .search{ display:flex; align-items:center; overflow:hidden; height:42px; border:1px solid #d1d5db; border-radius:999px; background:#fff; transition:box-shadow .15s, border-color .15s; } .search input{ flex:1; height:100%; border:0; outline:0; padding:0 14px; font:inherit; background:transparent; } .search button{ width:42px; height:42px; border:0; background:transparent; color:#64748b; display:grid; place-items:center; cursor:pointer; border-left:1px solid #e5e7eb; } .search:hover{ border-color:#cbd5e1; } .search button:hover{ background:#f1f5f9; color:#0f172a; } .search:focus-within{ border-color:#60a5fa; box-shadow:0 0 0 3px rgba(29,78,216,.18); } /* ====== 绿色主导航条（含桌面下拉） ====== */ .main-nav-wrap{background:transparent} .main-nav{ background: var(--brand); margin: 10px auto 0; max-width: 1200px; border-radius: 10px; height: 52px; display:flex;align-items:center;justify-content:center;gap:6px; box-shadow: inset 0 2px 6px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04); padding:0 6px; } .main-nav a{ color:#fff;font-weight:600;letter-spacing:.2px;height:40px;display:flex;align-items:center;padding:0 14px;border-radius:8px } .main-nav a:hover,.main-nav a:focus-visible{background:rgba(255,255,255,.14)} .main-nav a[aria-current="page"]{background:rgba(255,255,255,.22)} .main-nav .dropdown{ position:relative } .main-nav .drop-toggle{ color:#fff; font-weight:600; letter-spacing:.2px; height:40px; display:flex; align-items:center; padding:0 14px; border-radius:8px; } .main-nav .drop-toggle::after{ content:"▾"; margin-left:6px; font-size:12px; opacity:.9 } .main-nav .drop-toggle:hover, .main-nav .dropdown:focus-within .drop-toggle{ background:rgba(255,255,255,.14) } .main-nav .drop-menu{ position:absolute; left:0; top:calc(100% + 8px); background:#fff; border-radius:14px; box-shadow:var(--shadow); min-width:260px; padding:10px; display:none; z-index:70; border:1px solid #eef2f7; } .main-nav .drop-menu a{ display:flex; align-items:center; min-height:42px; padding:0 12px; border-radius:10px; color:#0f172a; font-weight:700; font-size:18px; } .main-nav .drop-menu a:hover, .main-nav .drop-menu a:focus-visible{ background:#f1f5f9 } .main-nav .dropdown:hover .drop-menu, .main-nav .dropdown.open .drop-menu, .main-nav .dropdown:focus-within .drop-menu{ display:block } .main-nav .dropdown::after{ content:""; position:absolute; left:0; right:0; top:100%; height:10px; } /* 桥接区防抖 */ /* ====== 抽屉（移动端主导航） ====== */ .drawer{position:fixed;inset:0 0 0 auto;width:min(86%,360px);background:#fff;box-shadow:var(--shadow);transform:translateX(100%);transition:.25s;z-index:60;display:flex;flex-direction:column} .drawer.open{transform:translateX(0)} .drawer header{padding:14px 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid #f1f5f9} .drawer nav a{display:block;padding:14px 18px;border-bottom:1px solid #f1f5f9} .drawer nav .drawer-toggle{ display:flex; align-items:center; width:100%; border:0; background:#fff; font-weight:700; padding:14px 18px; border-bottom:1px solid #f1f5f9; cursor:pointer; text-align:left; } .drawer nav .drawer-toggle::after{ content:"▾"; margin-left:auto; transition:transform .18s ease } .drawer nav .drawer-toggle[aria-expanded="true"]::after{ transform:rotate(180deg) } .drawer-submenu{ display:none; padding-left:14px; background:#fff } .drawer-submenu a{ display:block; padding:12px 18px; border-bottom:1px solid #f1f5f9 } .drawer-submenu.open{ display:block } /* 响应式控制导航显示 */ .hamburger{display:none; border:1px solid #e2e8f0;border-radius:10px;padding:8px;background:#fff} .hamburger svg{width:22px;height:22px} @media (max-width:1024px){ .search{display:none} } @media (max-width:860px){ .hamburger{display:inline-flex;margin-left:8px} .main-nav-wrap{display:none} } /* ====== Footer ====== */ footer{background-color:var(--brand);color:#fff;padding:30px 20px;margin-top:40px} footer a{color:#fff} footer a:hover{text-decoration:underline} .footer-container{display:grid;grid-template-columns:2fr 1.5fr;gap:20px;max-width:1200px;margin:auto} @media (max-width:800px){.footer-container{grid-template-columns:1fr}} footer h4{margin:0 0 10px;font-weight:800} .bottom{border-top:1px solid rgba(255,255,255,0.3);padding-top:10px;font-size:14px;text-align:center;color:rgba(255,255,255,0.85);margin-top:16px} .footer-social{display:flex;gap:12px;margin-top:12px} .footer-social a{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:rgba(255,255,255,.18);color:#fff;transition:background .2s ease, transform .1s ease} .footer-social a:hover{background:rgba(255,255,255,.28);transform:translateY(-1px)} .footer-social svg{width:22px;height:22px;display:block}