/* ===== 基础(样式体系对齐 xueqiu.com 拦截提示页) ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: -apple-system, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 14px;
    color: #1f2c33;
    background: #fff;
}

a { color: #1576e8; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 顶部导航(与 xueqiu.com 线上样式一致,无搜索框) ===== */
.header { background: #1576e8; font-size: 14px; }
.header-inner {
    max-width: 1150px;
    margin: 0 auto;
    padding: 13px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header a { color: #fff; }
.logo img { width: 90px; height: 30px; display: block; }
.nav-right { display: flex; align-items: center; gap: 24px; list-style: none; font-weight: 500; }
.nav-right .download { position: relative; }
.qr {
    display: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 100%;
    padding: 14px 20px 12px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .15);
    text-align: center;
    white-space: nowrap;
    z-index: 10;
}
.qr p { margin-bottom: 8px; color: #101423; font-size: 14px; font-weight: 400; }
.qr img { width: 90px; height: 90px; display: block; }
.download:hover .qr { display: block; }

/* ===== 主体 ===== */
.main {
    flex: 1;
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 40px 24px 48px;
}

.page-title {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.6;
    text-align: center;
    color: #1f2c33;
}

.page-sub {
    margin: 8px 0 28px;
    font-size: 13px;
    line-height: 1.7;
    color: #8a94a0;
    text-align: center;
}

/* ===== 内容卡片 ===== */
.card {
    background: #f7f8fa;
    border-radius: 12px;
    padding: 20px;
}

.card + .card { margin-top: 20px; }

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    color: #1f2c33;
}

.card-intro {
    font-size: 14px;
    line-height: 1.7;
    color: #4a5560;
    margin-bottom: 12px;
}

/* ===== 基础信息:双列白色信息行 ===== */
.info-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.info-block > div {
    display: flex;
    align-items: baseline;
    background: #fff;
    border: 1px solid #e8ecf0;
    border-radius: 8px;
    padding: 10px 12px;
    line-height: 1.5;
    min-width: 0;
}

.tittle {
    flex: 0 0 auto;
    margin-right: 8px;
    font-size: 13px;
    font-weight: 400;
    color: #8a94a0;
    white-space: nowrap;
}

.value {
    flex: 1;
    min-width: 0;
    font-size: 13px;
    color: #1f2c33;
    word-break: break-all;
}

/* ===== 网络信息:白色时序行 ===== */
.result-item {
    display: flex;
    align-items: baseline;
    background: #fff;
    border: 1px solid #e8ecf0;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 13px;
    line-height: 1.6;
    color: #4a5560;
    word-break: break-all;
}

.result-item + .result-item { margin-top: 8px; }

/* ===== 状态色 ===== */
.loading { color: #8a94a0; }
.ok { color: #0f9d58; }
.error { color: #e02020; }
.warn { color: #d8a000; }

/* ===== 自助排查指引:编号圆圈列表 ===== */
.steps { list-style: none; counter-reset: item; }

.steps li {
    position: relative;
    counter-increment: item;
    padding-left: 30px;
    font-size: 14px;
    line-height: 1.7;
    color: #4a5560;
}

.steps li + li { margin-top: 12px; }

.steps li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #1576e8;
    color: #fff;
    font-size: 12px;
    line-height: 20px;
    text-align: center;
}

/* ===== 验证落地页:主操作按钮 ===== */
.cta-wrap {
    margin-top: 18px;
    text-align: center;
}

.cta-btn {
    display: inline-block;
    background: #1576e8;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
    padding: 14px 48px;
    border-radius: 8px;
    text-decoration: none;
}

.cta-btn:hover {
    background: #0f66cc;
    text-decoration: none;
}

.cta-note {
    margin-top: 10px;
    font-size: 12px;
    color: #8a94a0;
}

/* ===== JS 禁用提示 ===== */
.noscript-box {
    background: #fff7f7;
    border: 1px solid #ffd6d6;
    border-radius: 8px;
    padding: 14px 16px;
    font-size: 14px;
    color: #e02020;
    text-align: center;
}

/* ===== 页脚 ===== */
.footer {
    padding: 24px 16px;
    font-size: 12px;
    color: #b0b8c1;
    text-align: center;
}

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
    .info-block { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .main { padding: 32px 16px 40px; }
    .page-title { font-size: 20px; }
    .header-inner { padding: 10px 12px; }
    .nav-right { gap: 16px; }
    .card { padding: 16px; }
    .cta-btn { display: block; padding: 14px 0; }
}