/* ===== 绿茶vpn官网（复刻参考站单页式模板 · 红色 #FC3C49 · 黑底footer）===== */
:root {
    --primary: #FC3C49;
    --primary-dark: #C7332F;
    --primary-light: #FF546A;
    --accent: #FFB72C;
    --text: #313131;
    --muted: #6C6D75;
    --border: #E7E7E7;
    --bg: #ffffff;
    --footer-bg: #000;
}

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 14px; }

body {
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; }

/* ===== 固定 header ===== */
.header {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    height: 60px;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fff;
}
.header .logo img { height: 36px; width: auto; }
.menu { display: flex; align-items: center; gap: 20px; }
.menu .nav { display: flex; align-items: center; }
.menu .nav a {
    padding: 0 15px;
    color: var(--muted);
    font-weight: 500;
    font-size: 13px;
    transition: color 0.3s;
}
.menu .nav a:hover { color: var(--primary-light); }
.menu .nav a.active { color: var(--text); font-weight: 600; }

/* ===== section 通用 ===== */
.section {
    padding: 30px 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.section .title { margin: 20px 0; }
.section .title .t0 { font-size: 26px; font-weight: 500; }
.section .title .t1 { font-size: 14px; color: var(--muted); }
.section .content { width: 100%; }

/* ===== s1 hero（左右分栏）===== */
.s1 {
    position: relative;
    margin-top: 60px;
    padding-top: 40px;
    padding-bottom: 0;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.hero-split {
    width: 100%;
    max-width: 1060px;
    display: flex;
    align-items: center;
    gap: 40px;
    justify-content: center;
}
.hero-left { flex: 1; text-align: left; }
.hero-right { flex: 1; display: flex; justify-content: center; }
.hero-illus {
    max-width: 480px;
    width: 100%;
    height: auto;
}
.s1 .title { margin: 30px 0; text-align: left; }
.s1 .title .t0 { font-size: 36px; font-weight: 500; color: var(--text); }
.s1 .title .t1 { font-size: 15px; color: var(--text); }
.s1 .title .t2 {
    margin-top: 13px;
    padding: 3px 15px;
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--muted);
    display: inline-block;
    font-size: 12px;
}
.s1 .title { margin: 30px 0; }
.s1 .title .t0 { font-size: 36px; font-weight: 500; color: var(--text); }
.s1 .title .t1 { font-size: 15px; color: var(--text); }
.s1 .title .t2 {
    margin-top: 13px;
    padding: 3px 15px;
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--muted);
    display: inline-block;
    font-size: 12px;
}
.s1 .features {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-end;
    gap: 20px;
    text-align: center;
}
.s1 .features .sep { height: 24px; width: 1px; border-left: 1px solid var(--border); }
.s1 .features .feature div:nth-of-type(1) { color: var(--primary); font-size: 16px; font-weight: 500; }
.s1 .features .feature div:nth-of-type(2) { color: var(--text); white-space: nowrap; font-size: 12px; }

/* 下载按钮 */
.download-area { margin-top: 30px; display: flex; flex-direction: column; align-items: center; gap: 15px; }
.btn-download {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--primary);
    color: #fff;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-download:hover { background: var(--primary-dark); }
.btn-download img { width: 34px; height: 38px; }
.btn-download div { font-size: 14px; line-height: 1.3; }
.btn-download div div:first-child { font-size: 12px; opacity: 0.9; }
.other-download { color: var(--muted); font-size: 13px; }
.download-others { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.download-others .btn-download { background: #fff; color: var(--text); border: 1px solid var(--border); }
.download-others .btn-download:hover { background: #fafafa; }

/* ===== s3 特性网格 ===== */
.feature-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    max-width: 900px;
}
.f-card {
    width: 160px;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.f-card img { width: 64px; height: 64px; }
.f-card .f-name { font-size: 16px; font-weight: 500; color: var(--text); }
.f-card .f-desc { font-size: 12px; color: var(--muted); }

/* ===== s5 权益表 ===== */
.table-view { width: 100%; max-width: 700px; margin: 20px auto; overflow-x: auto; }
.table-view table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table-view th, .table-view td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}
.table-view thead th {
    background: #fafafa;
    font-weight: 600;
    color: var(--text);
}
.table-view thead th:nth-child(2) { color: var(--primary); }
.table-view tbody td:first-child { text-align: left; color: var(--muted); }
.table-view tbody td { color: var(--text); }

.cta-area { margin: 40px 0; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.cta-title { font-size: 20px; font-weight: 500; }
.cta-btn { background: var(--primary); font-size: 16px; padding: 14px 40px; }

/* ===== footer 黑底 ===== */
.footer { width: 100%; background: var(--footer-bg); color: #fff; }
.footer .top { padding: 40px 15px; text-align: center; }
.footer .top .title { font-weight: 500; font-size: 24px; }
.footer .top .social { margin: 24px 0; display: flex; justify-content: center; gap: 20px; }
.footer .top .social span { font-size: 13px; color: #e0e0e0; cursor: pointer; }
.footer .top .subtitle { font-size: 11px; color: #565B5E; }
.footer .bottom {
    width: 100%;
    padding: 20px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.footer .bottom .nav {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 40px;
}
.footer .bottom .nav .group { padding: 10px; text-align: left; }
.footer .bottom .nav .group > div { margin-bottom: 10px; font-size: 12px; }
.footer .bottom .nav .group div:first-child { color: #fff; font-weight: 500; font-size: 15px; }
.footer .bottom .nav .group a { color: #e0e0e0; }
.footer .bottom .identifier { text-align: center; }
.footer .bottom .identifier div { color: #565B5E; font-size: 12px; }
.footer .copyright { border-top: 1px solid #313131; padding: 15px; text-align: center; font-size: 12px; color: #565B5E; }

/* 内容页（下载/订阅/FAQ）复用参考站简洁风 */
.inner { padding: 90px 20px 40px; max-width: 900px; margin: 0 auto; }
.inner h1 { font-size: 28px; margin-bottom: 12px; }
.inner .meta { color: var(--muted); font-size: 13px; margin-bottom: 24px; }
.inner h2 { font-size: 20px; margin: 28px 0 12px; }
.inner p { margin-bottom: 16px; font-size: 15px; color: var(--text); }
.inner img { border-radius: 10px; margin: 16px 0; }
.inner strong { color: var(--text); }
.inner ul, .inner ol { margin: 0 0 16px 22px; }
.inner li { margin-bottom: 8px; }
.callout { background: #fff5f5; border-left: 4px solid var(--primary); padding: 14px 18px; border-radius: 6px; margin: 16px 0; }

/* 下载矩阵 */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 20px 0; }
.dl-card { border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-align: center; }
.dl-card img { width: 64px; height: 64px; margin: 0 auto 12px; border-radius: 14px; }
.dl-card h3 { font-size: 16px; margin-bottom: 8px; }
.dl-card p { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.btn { display: inline-block; background: var(--primary); color: #fff; padding: 10px 20px; border-radius: 8px; font-weight: 600; }
.btn:hover { background: var(--primary-dark); }
.btn-ghost { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-ghost:hover { background: #fff5f5; }

/* 套餐 */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 20px 0; }
.plan { border: 1px solid var(--border); border-radius: 12px; padding: 28px; text-align: center; position: relative; }
.plan.featured { border: 2px solid var(--primary); }
.plan .tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: 12px; padding: 3px 14px; border-radius: 20px; }
.plan h3 { font-size: 17px; margin-bottom: 8px; }
.plan .price { font-size: 34px; font-weight: 700; }
.plan .price small { font-size: 14px; color: var(--muted); font-weight: 400; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 20px; text-align: left; }
.plan li { padding: 6px 0; font-size: 14px; }
.plan li::before { content: "✓"; color: var(--primary); font-weight: 700; margin-right: 8px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faq-item h3 { font-size: 17px; margin-bottom: 8px; }
.faq-item p { color: var(--muted); }

/* 响应式 */
@media (max-width: 768px) {
    .dl-grid, .pricing-grid { grid-template-columns: 1fr; }
    .menu .nav a { padding: 0 10px; font-size: 12px; }
    .s1 .title .t0 { font-size: 30px; }
    .feature-grid { gap: 12px; }
    .f-card { width: 130px; }
    .hero-split { flex-direction: column; gap: 20px; }
    .hero-left { text-align: center; }
    .s1 .title { text-align: center; }
    .hero-illus { max-width: 320px; }
}
@media (max-width: 480px) {
    .menu .nav a { padding: 0 8px; font-size: 11px; }
    .download-others { flex-direction: column; }
    .footer .bottom { flex-direction: column; }
}