:root { --primary: #1a73e8; --bg: #fff; --text: #202124; --text-secondary: #5f6368; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Google Sans', Roboto, Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
.z8089fcontainer { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.z8089fheader { background: #fff; border-bottom: 1px solid #dadce0; position: sticky; top: 0; z-index: 100; }
.z8089fheader_inner { display: flex; align-items: center; height: 64px; justify-content: space-between; }
.z8089flogo { font-size: 22px; font-weight: 500; color: var(--text); text-decoration: none; }
.z8089fnav a { color: var(--text-secondary); text-decoration: none; margin-left: 24px; font-size: 14px; }
.z8089fnav a:hover, .z8089fnav a.current { color: var(--primary); }
.z8089fbtn_dl { background: var(--primary); color: #fff; padding: 10px 24px; border-radius: 4px; text-decoration: none; font-size: 14px; font-weight: 500; transition: background .2s; }
.z8089fbtn_dl:hover { background: #1557b0; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.z8089fhero { padding: 80px 0; text-align: center; background: #f8f9fa; }
.z8089fhero h1 { font-size: 48px; font-weight: 400; margin-bottom: 16px; color: var(--text); }
.z8089fhero p { font-size: 18px; color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; }
.z8089fhero_btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.z8089fbtn_ios { background: #000; color: #fff; padding: 12px 28px; border-radius: 8px; text-decoration: none; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.z8089fbtn_android { background: #34a853; color: #fff; padding: 12px 28px; border-radius: 8px; text-decoration: none; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.z8089ffeature { padding: 80px 0; display: flex; align-items: center; gap: 60px; }
.z8089ffeature:nth-child(even) { flex-direction: row-reverse; background: #f8f9fa; }
.z8089ffeature_img { flex: 1; background: #e8eaed; height: 300px; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--text-secondary); font-size: 24px; }
.z8089ffeature_text { flex: 1; }
.z8089ffeature_text h2 { font-size: 32px; font-weight: 400; margin-bottom: 16px; }
.z8089ffeature_text p { font-size: 16px; color: var(--text-secondary); margin-bottom: 24px; }
.z8089fnews { padding: 80px 0; }
.z8089fnews h2 { text-align: center; font-size: 32px; font-weight: 400; margin-bottom: 40px; }
.z8089fnews_grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.z8089fnews_item { border: 1px solid #dadce0; border-radius: 8px; padding: 24px; transition: box-shadow .2s; }
.z8089fnews_item:hover { box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.z8089fnews_item h3 { font-size: 18px; margin-bottom: 12px; }
.z8089fnews_item h3 a { color: var(--text); text-decoration: none; }
.z8089fnews_item p { font-size: 14px; color: var(--text-secondary); }
.z8089ffooter { background: #f8f9fa; padding: 40px 0; border-top: 1px solid #dadce0; margin-top: 40px; }
.z8089ffooter_inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.z8089ffooter_col h4 { font-size: 14px; color: var(--text); margin-bottom: 12px; }
.z8089ffooter_col a { display: block; font-size: 13px; color: var(--text-secondary); text-decoration: none; margin-bottom: 8px; }
.z8089fcopyright { text-align: center; font-size: 12px; color: var(--text-secondary); margin-top: 40px; padding-top: 20px; border-top: 1px solid #dadce0; }
.z8089ffixed_dl { position: fixed; bottom: 30px; right: 30px; background: var(--primary); color: #fff; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: none; box-shadow: 0 4px 12px rgba(26,115,232,.4); z-index: 99; font-size: 14px; }
.z8089fbreadcrumb { padding: 20px 0; font-size: 14px; color: var(--text-secondary); }
.z8089fbreadcrumb a { color: var(--primary); text-decoration: none; }
.z8089farticle_layout { display: flex; gap: 40px; padding: 40px 0; }
.z8089farticle_main { flex: 1; }
.z8089farticle_sidebar { width: 300px; }
.z8089fsidebar_box { border: 1px solid #dadce0; border-radius: 8px; padding: 20px; margin-bottom: 24px; }
.z8089fsidebar_box h3 { font-size: 16px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid #eee; }
.z8089flist_ul { list-style: none; }
.z8089flist_ul li { margin-bottom: 12px; border-bottom: 1px solid #f1f3f4; padding-bottom: 12px; }
.z8089flist_ul a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
.z8089flist_ul a:hover { color: var(--primary); }
.z8089fcontent { line-height: 1.8; font-size: 16px; color: #333; }
.z8089fcontent h2 { font-size: 24px; margin: 30px 0 15px; }
.z8089fcontent p { margin-bottom: 15px; }
.z8089fprenext { margin-top: 40px; padding-top: 20px; border-top: 1px solid #eee; font-size: 14px; }
.z8089fprenext a { color: var(--primary); text-decoration: none; }
.z8089ftags { margin-top: 20px; }
.z8089ftags a { display: inline-block; background: #f1f3f4; color: var(--text-secondary); padding: 4px 12px; border-radius: 16px; font-size: 13px; text-decoration: none; margin-right: 8px; margin-bottom: 8px; }
.z8089fpagelist { margin-top: 40px; text-align: center; }
.z8089fpagelist a { display: inline-block; padding: 8px 14px; border: 1px solid #dadce0; color: var(--text); text-decoration: none; margin: 0 4px; border-radius: 4px; font-size: 14px; }
.z8089fpagelist a.current { background: var(--primary); color: #fff; border-color: var(--primary); }
@media (max-width: 768px) {
    .z8089fheader_inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
    .z8089fnav { order: 3; width: 100%; overflow-x: auto; white-space: nowrap; margin-top: 12px; padding-bottom: 8px; }
    .z8089fnav a { margin-left: 0; margin-right: 16px; }
    .z8089fhero h1 { font-size: 32px; }
    .z8089ffeature { flex-direction: column !important; padding: 40px 0; gap: 24px; }
    .z8089ffeature_img { width: 100%; height: 200px; }
    .z8089farticle_layout { flex-direction: column; }
    .z8089farticle_sidebar { width: 100%; }
}