:root {
    --bg-main: #F7F9FC;
    --bg-white: #FFFFFF;
    --primary-color: #00D26A; /* 360绿 */
    --primary-dark: #00B359;
    --text-title: #1A1F24;
    --text-body: #4A5560;
    --text-light: #8A94A0;
    --border-color: #E2E8F0;
    --shadow-large: 0 25px 60px rgba(0,0,0,0.08);
    --shadow-tag: 0 10px 25px rgba(0,0,0,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; background-color: var(--bg-main); color: var(--text-body); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; display: block; border-radius: 8px; }
ul { list-style: none; }

/* 导航 */
.header { background: var(--bg-white); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; }
.nav-wrap { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; height: 80px; padding: 0 20px; }
.logo { font-size: 24px; font-weight: 800; color: var(--text-title); display: flex; align-items: center; gap: 12px; }
.logo img { width: 36px; height: 36px; }
.nav-links { display: flex; gap: 35px; }
.nav-links a { font-size: 16px; font-weight: 500; color: var(--text-body); padding: 10px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--primary-color); }

.container { max-width: 1200px; margin: 0 auto; padding: 100px 20px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 15px 36px; border-radius: 8px; font-size: 16px; font-weight: bold; cursor: pointer; transition: 0.3s; }
.btn-primary { background: var(--primary-color); color: #FFF; box-shadow: 0 8px 20px rgba(0, 210, 106, 0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 25px rgba(0, 210, 106, 0.4); }
.btn-outline { background: var(--bg-white); color: var(--text-title); border: 1px solid var(--border-color); box-shadow: 0 4px 10px rgba(0,0,0,0.03); }
.btn-outline:hover { border-color: var(--primary-color); color: var(--primary-color); transform: translateY(-2px); }

/* 首屏 产品图风展示 */
.hero { text-align: center; padding: 80px 20px 40px; background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-main) 100%); position: relative; }
.hero h1 { font-size: 56px; font-weight: 900; color: var(--text-title); margin-bottom: 20px; letter-spacing: -1px; }
.hero .subtitle { font-size: 26px; color: var(--primary-color); font-weight: 600; margin-bottom: 20px; }
.hero .desc { font-size: 18px; color: var(--text-body); margin: 0 auto 40px; max-width: 700px; line-height: 1.8; }
.hero-btns { display: flex; justify-content: center; gap: 20px; margin-bottom: 80px; position: relative; z-index: 20; }

.product-showcase { position: relative; max-width: 1000px; margin: 0 auto; z-index: 10; }
.product-showcase img { width: 100%; border-radius: 12px; box-shadow: var(--shadow-large); border: 1px solid var(--border-color); }

/* 悬浮标签 */
.floating-tag { position: absolute; background: var(--bg-white); padding: 12px 24px; border-radius: 30px; box-shadow: var(--shadow-tag); font-size: 14px; font-weight: bold; color: var(--text-title); display: flex; align-items: center; gap: 8px; animation: float 4s ease-in-out infinite; border: 1px solid rgba(0,0,0,0.03); z-index: 15; }
.floating-tag::before { content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--primary-color); }
.tag-1 { top: 10%; left: -5%; animation-delay: 0s; }
.tag-2 { top: 40%; right: -8%; animation-delay: 1s; }
.tag-3 { bottom: 15%; left: -2%; animation-delay: 2s; }
.tag-4 { bottom: 30%; right: 10%; animation-delay: 0.5s; }

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0); }
}

/* 模块标题 */
.sec-title { text-align: center; font-size: 36px; font-weight: 800; color: var(--text-title); margin-bottom: 60px; }

/* 核心卖点 */
.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.f-box { background: var(--bg-white); padding: 40px 20px; text-align: center; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.03); transition: 0.3s; border: 1px solid transparent; }
.f-box:hover { transform: translateY(-5px); border-color: var(--primary-color); box-shadow: 0 10px 25px rgba(0, 210, 106, 0.1); }
.f-box img { width: 56px; height: 56px; margin: 0 auto 20px; }
.f-box h3 { font-size: 18px; font-weight: bold; color: var(--text-title); margin-bottom: 12px; }
.f-box p { font-size: 14px; color: var(--text-body); }

/* 功能详情 */
.detail-box { display: flex; align-items: center; gap: 60px; margin-bottom: 100px; }
.detail-box:nth-child(even) { flex-direction: row-reverse; }
.d-text { flex: 1; }
.d-text h3 { font-size: 32px; font-weight: 800; color: var(--text-title); margin-bottom: 24px; }
.d-text p { font-size: 16px; color: var(--text-body); margin-bottom: 30px; line-height: 1.8; }
.d-data { display: inline-block; padding: 12px 24px; background: rgba(0, 210, 106, 0.1); color: var(--primary-dark); font-weight: bold; font-size: 18px; border-radius: 8px; }
.d-visual { flex: 1.2; position: relative; }
.d-visual img { box-shadow: var(--shadow-tag); border-radius: 12px; border: 1px solid var(--border-color); }

/* 浏览器对比 */
.compare-wrap { background: var(--bg-white); padding: 60px; border-radius: 16px; box-shadow: var(--shadow-tag); }
.compare-table { width: 100%; border-collapse: collapse; text-align: left; }
.compare-table th, .compare-table td { padding: 24px 30px; border-bottom: 1px solid var(--border-color); }
.compare-table th { color: var(--text-light); font-size: 15px; font-weight: bold; text-transform: uppercase; }
.compare-table td { font-size: 16px; color: var(--text-body); font-weight: 500; }
.compare-table .hl { color: var(--primary-dark); font-weight: 800; background: rgba(0, 210, 106, 0.03); border-radius: 8px; }
.compare-table tr:last-child td { border-bottom: none; }

/* 下载版本区 */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.dl-card { background: var(--bg-white); border: 1px solid var(--border-color); padding: 50px 30px; text-align: center; border-radius: 16px; transition: 0.3s; }
.dl-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-tag); border-color: var(--primary-color); }
.dl-card.rec { border: 2px solid var(--primary-color); position: relative; }
.dl-card.rec::after { content: '官方推荐'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--primary-color); color: #FFF; padding: 4px 16px; border-radius: 20px; font-size: 13px; font-weight: bold; }
.dl-card h3 { font-size: 24px; font-weight: bold; color: var(--text-title); margin-bottom: 20px; }
.dl-card p { font-size: 15px; color: var(--text-body); margin-bottom: 30px; height: 60px; }
.dl-card .btn { width: 100%; }

/* 数据背书 */
.data-sec { background: var(--bg-white); padding: 80px 20px; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); margin: 80px 0; }
.data-inner { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-around; }
.data-item { text-align: center; }
.data-item h4 { font-size: 50px; font-weight: 900; color: var(--primary-color); margin-bottom: 10px; }
.data-item p { font-size: 16px; font-weight: bold; color: var(--text-title); }

/* FAQ */
.faq-grid { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.faq-box { background: var(--bg-white); border: 1px solid var(--border-color); padding: 30px; border-radius: 12px; }
.faq-box h4 { font-size: 18px; font-weight: bold; color: var(--text-title); margin-bottom: 15px; display: flex; align-items: center; gap: 10px; }
.faq-box h4::before { content: 'Q:'; color: var(--primary-color); font-size: 20px; font-weight: 900; }
.faq-box p { font-size: 15px; color: var(--text-body); line-height: 1.8; padding-left: 30px; }

/* Footer */
.footer { background: #1A1F24; padding: 60px 20px; text-align: center; color: #8A94A0; font-size: 14px; margin-top: 80px; }
.footer p { margin-bottom: 10px; }