* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --text-color: #1F2542;
    --primary-color: #1E4DFF;
    --success-color: #A0D911;
    --error-color: #FF4D4F;
    --bg-light: #F8FAFF;
    --border-radius-card: 20px;
    --border-radius-sm: 8px;
}

body {
    font-family: 'Segoe UI', 'Rubik', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #fff;
    background-color: #fff;
    width: 100%;
    min-height: 100vh;
}

/* 滚动条美化（简洁） */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(31, 37, 66, 0.2);
    border-radius: 12px;
}

/* ========== 头部区域 ========== */
.header {
    position: relative;
    padding: 32px 0;
    text-align: center;
    background: #1f42d0 url('./banner_bg.jpg') no-repeat center bottom;
    background-size: auto 100%;
}
._header__proxy__fail{
    padding: 0 25px;
    text-align: left;
    max-width: 1200px;
    margin: 15px auto 0;
    font-size: 14px;
    line-height: 20px;
    max-width: 1152px;
}
.ip-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 32px;
    line-height: 48px;
}

.ip-icon {
    display: inline;
    vertical-align: bottom;
    width: 44px;
    height: 44px;
    fill: currentColor;
}

.ip-address {
    display: inline;
    margin: 0 16px 0 8px;
    word-break: break-all;
}

.copy-btn {
    display: inline-block;
    height: 40px;
    cursor: pointer;
}

.location-text {
    margin-top: 4px;
    font-size: 16px;
    line-height: 24px;
}

/* ========== 卡片布局 & 栅格 ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: #ffffff;
    box-shadow: 0 12px 36px rgba(156, 164, 192, 0.3);
    border-radius: var(--border-radius-card);
    padding: 24px 20px;
    color: var(--text-color);
}

.card-section+.card-section {
    margin-top: 24px;
}

/* 栅格系统 (仅保留所需) */
.row {
    display: flex;
    flex-flow: row wrap;
}

.row-align-start {
    align-items: flex-start;
}

.row-justify-start {
    justify-content: flex-start;
}

.col {
    box-sizing: border-box;
    flex: 0 0 100%;
    width: 100%;
}

@media (min-width: 1200px) {
    .col-xl-15 {
        flex: 0 0 50%;
        width: 50%;
    }
}
@media (max-width: 1199px) {
    .zebra-bg-to {
        display: none;
    }
}
/* 表格样式 (信息行) */
.info-row {
    display: flex;
    align-items: center;
    padding: 15px 0;
}

.info-label {
    font-size: 14px;
    line-height: 20px;
    margin-right: 24px;
    text-align: right;
    opacity: 0.6;
    width: 120px;
    flex: 0 0 120px;
}

.info-value {
    flex: 1;
    font-size: 14px;
    line-height: 20px;
    word-break: break-word;
    padding: 0 10px;
}


.card-bottom .info-row:nth-child(odd) {
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
}
.zebra-bg{
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
}
/* 移动端奇数行背景 */
@media (max-width: 1199px) {
    .col-hide-15 {
        display: none;
    }
    .row .col:nth-child(odd of :not(.col-hide-15)) .info-row {
        background: var(--bg-light);
        border-radius: var(--border-radius-sm);
      }
}

@media (min-width: 1200px) {
    /* 1、5、9... 背景 + 左上 左下圆角 */
    .row .col:nth-child(4n+1) .info-row {
      background: var(--bg-light);
      border-top-left-radius: var(--border-radius-sm);
      border-bottom-left-radius: var(--border-radius-sm);
    }
    
    /* 2、6、10... 背景 + 右上 右下圆角 */
    .row .col:nth-child(4n+2) .info-row {
      background: var(--bg-light);
      border-top-right-radius: var(--border-radius-sm);
      border-bottom-right-radius: var(--border-radius-sm);
    }
}

/* 标题通用样式 */
.section-title {
    position: relative;
    padding-left: 10px;
    margin: 0 20px 16px 0;
    font-size: 14px;
    font-weight: 600;
}

.section-title::before {
    content: " ";
    position: absolute;
    top: 3px;
    left: 0;
    width: 4px;
    height: 16px;
    background: #a5b8ff;
    border-radius: 1px;
}

/* 指纹链接区 */
.fp-links {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.fp-links-title {
    color: rgba(31, 37, 66, 0.6);
    margin-right: 12px;
}

.fp-link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.fp-link-item {
    display: flex;
    align-items: center;
}

.fp-link-item a {
    color: var(--primary-color);
    margin-left: 4px;
    text-decoration: none;
}

.fp-link-item a:hover {
    text-decoration: underline;
}

.fp-icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* 内容区域背景 */
.content-area {
    min-height: calc(100vh - 140px);
}

/* 辅助隐藏占位符 */
.placeholder-hidden {
    visibility: hidden;
}

/* 图标通用 */
.icon-svg {
    fill: currentColor;
    overflow: hidden;
}

.copy-small {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
}