/* ==========================================================================
   U-ONE 通用样式 —— 头部 / 尾部 / 首页
   说明：内容为静态占位，后续对接数据源。
   ========================================================================== */

:root {
    --u-primary: #0077FF;
    --u-primary-d: #5231b0;
    --u-primary-l: #8b6fe0;
    --u-blue: #1660FF;
    --u-text: #1f2430;
    --u-text-2: #5a6376;
    --u-text-3: #4F51F0;
    --u-line: #eceef4;
    --u-bg: #f6f7fb;
    --u-radius: 12px;
    --u-shadow: 0 4px 20px rgba(76, 84, 160, .08);
    --u-shadow-hover: 0 12px 32px rgba(76, 84, 160, .16);
    --u-grad: linear-gradient(90deg, #6441CC, #1660FF);
    --color-body-bg: #fff
}

* {
    box-sizing: border-box;
}

.u-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}



/* ==========================================================================
   头部（参考 u-one.cn：logo + 标签 + 导航 + 渐变描边搜索框）
   ========================================================================== */
.u-header {
    background: #fff;
    box-shadow: 0px 1px 2px 0px #3c3c3ca6;
    position: relative;
    z-index: 100;
}

.u-home .u-header {
    background: transparent;
}

/* 头部内容铺满整个屏幕（仅头部取消 1400px 限宽） */
.u-header .u-container {
    max-width: none;
    padding: 0 28px;
}

.u-header-inner {
    display: flex;
    align-items: center;
    height: 56px;
    gap: 0;
}

.u-header-inner .u-tag {
    padding: 0 !important;
    border: 1px solid var(--u-primary, #1660ff);
}

/* logo（参考 u-oneV4 header.htm：仅 logo 图，高度 56px 内垂直居中） */
.u-logo {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    margin-right: 20px;
}

.u-logo img {
    height: 40px;
    display: block;
}

/* logo 右侧标签（参考 u-oneV4 .tag：白底蓝描边 + 蓝色方块云图标） */
.u-tag {
    display: inline-flex;
    align-items: center;
    height: 23px;
    /* margin-right: 20px; */
    padding: 0 10px 0 0;
    background: #fff;
    color: var(--u-primary, #1660ff);
    font-size: 11px;
    line-height: 21px;
    border-radius: 5px;
    white-space: nowrap;
    overflow: hidden;
}

.u-tag .ico {
    flex: 0 0 23px;
    width: 23px;
    height: 23px;
    margin-right: 6px;
    background: var(--u-primary, #1660ff);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.u-tag .ico img {
    width: 70%;
    display: block;
    filter: brightness(0) invert(1);
}

.u-nav {
    display: flex;
    align-items: center;
    flex: 1;
    margin-left: 26px;
    height: 56px;
}

.u-nav>a {
    display: inline-flex;
    align-items: center;
    height: 56px;
    padding: 0 16px;
    color: #333;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    position: relative;
    transition: color .18s;
    white-space: nowrap;
}

.u-nav>a:hover {
    color: var(--u-primary);
}

.u-nav>a.active {
    color: var(--u-primary);
    font-weight: 600;
}

.u-nav>a.active::after {
    content: '';
    position: absolute;
    left: 50%;
    margin-left: -16px;
    bottom: 0;
    width: 32px;
    height: 3px;
    background: var(--u-primary);
    border-radius: 3px 3px 0 0;
}

/* 导航上的 HOT 角标：橙色气泡 + 左下小尾巴（参考原型）
   气泡悬浮在菜单文字右上方，靠尾巴指向文字，横向不压字 */
.u-nav>a .u-hot {
    position: absolute;
    top: 3px;
    right: -9px;
    height: 16px;
    line-height: 16px;
    padding: 0 4px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .2px;
    color: #fff;
    background: linear-gradient(180deg, #ff9c3f, #f4761a);
    border-radius: 4px;
    pointer-events: none;
}

/* 气泡左下角的小尾巴，尖向左下指向菜单文字 */
.u-nav>a .u-hot::after {
    content: '';
    position: absolute;
    left: 3px;
    bottom: -3px;
    width: 0;
    height: 0;
    border-top: 4px solid #f4761a;
    border-right: 4px solid transparent;
}

.u-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

/* 搜索框（参考 u-oneV4 .super-search-fm：渐变描边圆角） */
.u-search {
    position: relative;
    width: 250px;
    padding: 1px;
    background: var(--u-grad, linear-gradient(to right, #6441CC, #1660FF));
    border-radius: 20px;
    overflow: hidden;
}

.u-search input {
    width: 100%;
    height: 34px;
    border: 0;
    outline: none;
    background: #fff;
    border-radius: 19px;
    padding: 0 42px 0 15px;
    font-size: 14px;
    color: #333;
}

.u-search input::placeholder {
    color: #a8a8a8;
}

.u-search button {
    position: absolute;
    right: 4px;
    top: 4px;
    width: 30px;
    height: 28px;
    border: 0;
    background: transparent;
    color: #A0A0A0;
    font-size: 15px;
    cursor: pointer;
    padding: 0;
    line-height: 28px;
}

/* 搜索框与登录区之间的竖分隔线 */
.u-header-divider {
    flex: 0 0 1px;
    width: 1px;
    height: 22px;
    background: #e5e8ef;
    margin: 0 4px;
}

.u-publish-btn {
    height: 38px;
    line-height: 38px;
    padding: 0 22px;
    background: var(--u-grad);
    color: #fff !important;
    border-radius: 19px;
    font-size: 14px;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity .2s;
}

.u-publish-btn:hover {
    opacity: .88;
}

.u-user {
    position: relative;
}

.u-home .u-user>a {
    color: #ffffff;
}

.u-user>a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #333333;
    font-size: 14px;
    text-decoration: none;
    height: 38px;
}

.u-user>a:hover {
    color: var(--u-primary);
}

/* 已登录：用户胶囊按钮（头像 + 用户名 + 箭头），大点击区域 */
.u-user-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    padding: 0 12px 0 6px;
    background: #f3f4fb;
    border: 1px solid transparent;
    border-radius: 19px;
    color: var(--u-text-2);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background .2s, border-color .2s, color .2s;
}

.u-user-btn:hover {
    background: #eef0fa;
    border-color: var(--u-line);
    color: var(--u-primary);
}

.u-user-avatar {
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #dfe3f0 center/cover no-repeat;
    box-shadow: 0 0 0 2px #fff;
}

.u-user-name {
    max-width: 96px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #333333;
}

.u-user-arrow {
    font-size: 12px;
    color: #9aa1b5;
    transition: transform .2s;
}

.u-user:hover .u-user-arrow {
    transform: rotate(180deg);
}

.u-user-nav {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 180px;
    background: #fff;
    border: 1px solid var(--u-line);
    border-radius: 10px;
    box-shadow: var(--u-shadow);
    padding: 6px;
    display: none;
}

/* 透明桥接区：填满头像与菜单之间的 6px 空隙，
   鼠标经过空隙时仍算在菜单区域内，菜单不会被隐藏 */
.u-user-nav::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -12px;
    height: 12px;
    background: transparent;
}

.u-user:hover .u-user-nav,
.u-user:focus-within .u-user-nav {
    display: block;
}

.u-user-nav a {
    display: block;
    padding: 9px 14px;
    color: var(--u-text-2);
    font-size: 14px;
    text-decoration: none;
    border-radius: 6px;
}

.u-user-nav a:hover {
    background: #f3f4fb;
    color: var(--u-primary);
}

/* 下拉菜单顶部：头像 + 用户名信息块 */
.u-user-nav-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px !important;
    background: #f8f9fd;
    border-radius: 8px !important;
}

.u-user-nav-head:hover {
    background: #f1f3fb !important;
}

.u-user-nav-head .u-user-avatar {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
    box-shadow: none;
}

.u-user-nav-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.u-user-nav-info strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--u-text-1);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-user-nav-info small {
    font-size: 12px;
    color: #9aa1b5;
}

.u-user-nav-divider {
    height: 1px;
    background: var(--u-line);
    margin: 6px 4px;
    opacity: .6;
}

/* ==========================================================================
   问题图片 / 附件
   ========================================================================== */
/* 发布页上传区 */
.u-upload-zone {
    border: 1.5px dashed #d5d9e6;
    border-radius: 12px;
    background: #fbfbfe;
    padding: 16px;
    transition: border-color .2s, background .2s;
}

.u-upload-zone.dragging {
    border-color: var(--u-primary);
    background: #f7f4fe;
}

.u-upload-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.u-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 16px;
    border-radius: 17px;
    background: #fff;
    border: 1px solid var(--u-line);
    color: var(--u-text-2);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: color .2s, border-color .2s, background .2s;
    margin: 0;
}

.u-upload-btn:hover {
    color: var(--u-primary);
    border-color: var(--u-primary-l);
    background: #f7f4fe;
}

.u-upload-tip {
    font-size: 12px;
    color: var(--u-text-3);
    line-height: 1.7;
}

.u-upload-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.u-upload-images:empty {
    margin-top: 0;
}

.u-upload-thumb {
    position: relative;
    width: 92px;
    height: 92px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--u-line);
    background: #fff;
}

.u-upload-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.u-upload-del {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    font-size: 11px;
    text-decoration: none;
}

.u-upload-del:hover {
    background: #e53e3e;
    color: #fff;
}

.u-upload-files {
    margin-top: 12px;
}

.u-upload-files:empty {
    margin-top: 0;
}

.u-upload-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 12px;
    background: #fff;
    border: 1px solid var(--u-line);
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--u-text-2);
}

.u-upload-file:last-child {
    margin-bottom: 0;
}

.u-upload-file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-upload-del-text {
    color: #e53e3e;
    font-size: 12px;
    text-decoration: none;
    flex: 0 0 auto;
}

.u-upload-del-text:hover {
    text-decoration: underline;
}

.u-upload-status {
    font-size: 12px;
    color: #19be6b;
    margin-top: 10px;
}

.u-upload-status:empty {
    margin-top: 0;
}

.u-upload-status.error {
    color: #e53e3e;
}

/* 详情页展示 */
.u-attach-block {
    margin-top: 14px;
}

.u-attach-block-title {
    font-size: 13px;
    color: var(--u-text-3);
    margin-bottom: 8px;
}

.u-attach-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.u-attach-image {
    width: 132px;
    height: 132px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--u-line);
    background: #fff;
    display: block;
}

.u-attach-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .25s;
}

.u-attach-image:hover img {
    transform: scale(1.05);
}

.u-attach-files {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.u-attach-file {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: #fbfbfe;
    border: 1px solid var(--u-line);
    border-radius: 10px;
    color: var(--u-text-2);
    font-size: 14px;
    text-decoration: none;
    transition: color .2s, border-color .2s, background .2s;
}

.u-attach-file:hover {
    color: var(--u-primary);
    border-color: var(--u-primary-l);
    background: #f7f4fe;
}

.u-attach-file .u-attach-file-icon {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    line-height: 34px;
    text-align: center;
    border-radius: 8px;
    background: #eef0fa;
    color: var(--u-primary);
    font-size: 16px;
}

.u-attach-file-name {
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-attach-file-action {
    flex: 0 0 auto;
    font-size: 12px;
    color: var(--u-text-3);
}

/* ==========================================================================
   前台列表分页（问题广场 / 我的问题）
   ========================================================================== */
.u-pages {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 22px 0 6px;
    text-align: center;
}

.u-pages .page,
.u-pages .current,
.u-pages .more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    min-width: 36px;
    padding: 0 12px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1;
    margin: 0;
    box-sizing: border-box;
}

.u-pages .page {
    color: var(--u-text-2);
    background: #fff;
    border: 1px solid var(--u-line);
    text-decoration: none;
    cursor: pointer;
    transition: color .2s, border-color .2s, background .2s, box-shadow .2s;
}

.u-pages .page:hover {
    color: var(--u-primary);
    border-color: var(--u-primary-l);
    background: #f7f4fe;
}

.u-pages .current {
    color: #fff;
    background: var(--u-grad, var(--u-primary));
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(100, 65, 204, .28);
    cursor: default;
}

.u-pages .more {
    color: var(--u-text-3);
    border: none;
    background: none;
    letter-spacing: 2px;
    cursor: default;
}

/* 上一页 / 下一页：带箭头感的大按钮 */
.u-pages .page.nav {
    padding: 0 16px;
    font-weight: 500;
}

.u-pages .page.nav.disabled {
    color: #b6bcc9;
    background: #f6f7fa;
    border-color: var(--u-line);
    cursor: not-allowed;
    box-shadow: none;
}

@media (max-width: 900px) {
    .u-pages {
        gap: 6px;
        padding: 16px 0 4px;
    }

    .u-pages .page,
    .u-pages .current,
    .u-pages .more {
        height: 32px;
        min-width: 32px;
        padding: 0 9px;
        font-size: 13px;
        border-radius: 8px;
    }

    .u-pages .page.nav {
        padding: 0 12px;
    }
}

.u-nav-toggle {
    display: none;
    color: var(--u-text-2);
    font-size: 22px;
    text-decoration: none;
    margin-left: auto;
}

/* ==========================================================================
   首页 Hero（背景图取自 u-one.cn banner-bg.png）
   背景图挂在 body 上并锚定页面最顶端，穿透头部/导航区域与 banner 区域
   ========================================================================== */
.u-home body {
    background: #fff url(../image/uone-banner-bg.png);
    background-size: 1000px 480px;
    background-repeat: no-repeat;
    background-position: right -7px;
}

/* 整体高度参照 u-oneV4 首页 index_right_equities1 盒子：430px，内容垂直居中 */
.u-hero {
    height: 430px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* 左侧渐白遮罩：让文案区保持白底（贴近 u-one.cn 首屏） */
.u-hero::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 62%;
    background: linear-gradient(90deg, #fff 0%, #fff 52%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
    z-index: 0;
}

.u-hero>.u-container {
    position: relative;
    z-index: 1;
    width: 100%;
}

.u-hero-inner {
    display: flex;
    align-items: center;
    gap: 24px;
}

.u-hero-left {
    flex: 1;
    min-width: 0;
    margin-bottom: 15px;
    position: relative;
    top: -35px;
}

.u-hero-tag {
    display: inline-block;
    padding: 3px 11px;
    background: #E6F4FF;
    color: #005FA9;
    border-radius: 15px;
    font-size: 13px;
    margin-bottom: 20px;
}

.u-hero h1 {
    font-size: 46px;
    line-height: 1.28;
    color: var(--u-text);
    margin: 0 0 22px;
    font-weight: 800;
    letter-spacing: 1px;
}

.u-hero h1 .u-hl {
    background: linear-gradient(to right, #AF1BA8, #D65761);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.u-hero-stats {
    display: flex;
    gap: 26px;
    color: var(--u-text-2);
    font-size: 15px;
    flex-wrap: wrap;
}

.u-hero-stats b {
    color: var(--u-primary);
    font-size: 19px;
    font-weight: 500;
}

.u-hero-right {
    flex: 0 0 500px;
    max-width: 530px;
    margin-top: 35px;
}

.u-hero-right img {
    width: 100%;
    display: block;
    mix-blend-mode: multiply;
}

/* ==========================================================================
   首页 提问卡片
   ========================================================================== */
.u-ask {
    position: relative;
    z-index: 6;
}

.u-ask-wrap {
    background: #EFF5FD;
    /* 顶部两角改为直角：与上方「问题分类」面板底部直角相接 */
    border-radius: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    padding: 20px 26px;
    display: flex;
    align-items: center;
}

.u-ask-robot {
    flex: 0 0 auto;
    display: flex;
    align-items: flex-end;
    align-self: stretch;
    padding-top: 10px;
}

.u-ask-robot .robot {
    width: 300px;
    display: block;
    margin-bottom: -32px;
    margin-left: -24px;
}

.u-ask-robot .balloon {
    width: 198px;
    height: 119px;
    margin-left: -105px;
    margin-bottom: 5px;
    box-sizing: border-box;
    background: url(../image/Union.png) center / 100% 100% no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 6px 18px 20px 22px;
}

.u-ask-robot .balloon .b1 {
    font-size: 13px;
    font-weight: 700;
    color: #2C52A1;
    line-height: 1.8;
}

.u-ask-robot .balloon .b2 {
    font-size: 13px;
    font-weight: 700;
    color: #2C52A1;
    line-height: 1.8;
}

.u-ask-card {
    flex: 1;
    min-width: 0;
    border-radius: 16px;
    background: linear-gradient(45deg, #B6AEFF, #87D1FF);
    box-shadow: 0 10px 30px rgba(76, 84, 160, .10);
    padding: 1px;
    margin-right: 16px;
    overflow: hidden;
    position: relative;
}

.u-ask-card-before {
    width: 100%;
    height: 100%;
    padding: 20px;
    border-radius: 16px;
    background: #fff;
}

/* 提问卡片标题：与首页区域标题同款字体与样式 */
.u-ask-title {
    font-size: 18px;
    font-weight: 700;
    color: #1f2430;
    letter-spacing: .3px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.u-ask-title .hot {
    font-size: 11px;
    color: #fff;
    background: linear-gradient(96deg, #ff7a45, #ff4d4f);
    padding: 0 9px;
    border-radius: 9px;
    font-weight: 700;
    letter-spacing: .5px;
    line-height: 16px;
}

.u-ask-input {
    border: 1px solid #BDCCED;
    border-radius: 12px;
    padding: 5px;
    position: relative;
    height: 100px;
    background: #ffffff;
    transition: border-color .2s;
}

.u-ask-input:focus-within {
    border-color: var(--u-primary);
    background: #fff;
}

.u-ask-input textarea {
    width: 100%;
    border: none;
    background: transparent;
    resize: none;
    height: 88px;
    font-size: 14px;
    color: var(--u-text);
    outline: none;
    font-family: inherit;
    line-height: 1.7;
}

.u-ask-input .u-ask-submit {
    position: absolute;
    right: 12px;
    bottom: 12px;
    height: 34px;
    line-height: 34px;
    padding: 0 22px;
    background: #4F51F0;
    color: #fff;
    border: none;
    border-radius: 17px;
    font-size: 14px;
    cursor: pointer;
    transition: background .2s;
}

.u-ask-input .u-ask-submit:hover {
    background: var(--u-primary-d);
}

.u-ask-reply {
    flex: 0 0 350px;
    padding: 10px;
    background: #F9FBFF;
    border-radius: 16px;
    border: 1px solid #fff;
}

.u-ask-reply .u-ask-reply-title {
    font-size: 14px;
    font-weight: 700;
    color: #3b4257;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 「最新问题」标题文字与首页其它区域标题同款字体与样式 */
.u-ask-reply .u-ask-reply-title > span {
    font-size: 16px;
    font-weight: 700;
    color: #1f2430;
    letter-spacing: .3px;
}

.u-ask-reply ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.u-ask-reply li {
    font-size: 13px;
    color: #5a6280;
    padding: 7px 0 4.2px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.u-ask-reply li:last-child {
    border-bottom: none;
}
.u-ask-reply-more{color: #5a6280;font-weight: 500;}
.u-ask-reply li .t {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 238px;
    color: #5a6280;
}

.u-ask-reply li .t::before {
    content: '•';
    margin-right: 6px;
    color: #8a93b8;
}

.u-tag {
    flex: 0 0 auto;
    font-size: 11px;
    height: 21px;
    padding: 0 6px;
    border-radius: 5px;
    line-height: 1.5;
}

.u-tag-pending {
    background: #fff1e3;
    color: #ff8a00;
}

.u-tag-solving {
    background: #e8f3ff;
    color: #2d8cf0;
}

.u-tag-done {
    background: #e7f8ef;
    color: #19be6b;
}

/* ==========================================================================
   通用区块
   ========================================================================== */
.u-section {
    padding: 26px 0 0;
    background: #fff;
}

/* 内页页头（面包屑 + 标题） */
/* 内页页头（参考 u-oneV4 #ban-in：紫色 banner 背景图 + 底部白色波浪过渡） */
.u-page-head {
    height: 190px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: url(../image/uone-page-banner1.jpg) center top no-repeat;
    background-size: cover;
    position: relative;
}

.u-page-head .u-container {
    width: 100%;
}

/* 底部白色波浪过渡条（参考 u-oneV4 .ban-bg） */
.u-page-head::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -30px;
    width: 100%;
    height: 54px;
    background: url(../image/uone-page-banner-wave.png) center top no-repeat;
    background-size: 100% 100%;
    pointer-events: none;
}

.u-crumb {
    margin-bottom: 8px;
    font-size: 16px;
    color: #888888;
}

.u-crumb a {
    color: #888888;
    text-decoration: none;
}

.u-crumb a:hover {
    color: #555555;
}

.u-crumb .sep {
    margin: 0 6px;
}

.u-crumb .cur {
    color: #555555;
}

/* ==========================================================================
   问题广场 · 侧栏置顶操作区（发布问题 / 我的问题）
   ========================================================================== */
.u-q-side-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.u-q-side-actions .u-q-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 18px;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: .5px;
    border-radius: 10px;
    text-decoration: none;
    line-height: 1;
    transition: transform .18s, box-shadow .18s, background .18s, color .18s;
}

.u-q-side-actions .u-q-btn i {
    font-size: 18px;
}

.u-q-side-actions .u-q-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #4a8cff, #2563eb);
    box-shadow: 0 8px 18px rgba(37, 99, 235, .28);
}

.u-q-side-actions .u-q-btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(37, 99, 235, .38);
    background: linear-gradient(135deg, #5a97ff, #1d4ed8);
}

.u-q-side-actions .u-q-btn-plain {
    color: #2563eb;
    background: #f0f6ff;
    border: 1px solid #cfe1ff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, .08);
}

.u-q-side-actions .u-q-btn-plain:hover {
    color: #1d4ed8;
    background: #e4efff;
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(37, 99, 235, .16);
}

/* 侧栏底部 slogan */
.u-q-side-tip {
    margin-top: 15px;
    padding: 14px 16px;
    background: #f7f9fc;
    border: 1px dashed #dfe6f2;
    border-radius: 10px;
    color: #9aa4b8;
    font-size: 13px;
    text-align: center;
    line-height: 1.7;
}

/* ==========================================================================
   问题广场 · 顶部分类筛选（两级）
   ========================================================================== */
.u-cat-filter {
    margin-bottom: 15px;
    padding: 3px 18px;
    background: #fff;
    border: 1px solid #eef1f9;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(76, 84, 160, .07);
}

.u-cat-filter-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    padding: 13px 0;
}

.u-cat-filter-row + .u-cat-filter-row {
    border-top: 1px dashed #edf1f9;
}

.u-cat-filter-label {
    flex: 0 0 auto;
    color: #8a93b8;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .5px;
}

.u-cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 15px;
    border: 1px solid transparent;
    border-radius: 20px;
    font-size: 14px;
    line-height: 1.5;
    color: #4a5570;
    background: #f4f6fb;
    text-decoration: none;
    transition: color .18s, background .18s, box-shadow .18s, transform .18s;
}

.u-cat-chip:hover {
    color: #2563eb;
    background: #e9f0ff;
    transform: translateY(-1px);
}

.u-cat-chip.is-active {
    color: #fff;
    font-weight: 600;
    background: linear-gradient(135deg, #4a8cff, #2563eb);
    box-shadow: 0 6px 15px rgba(37, 99, 235, .26);
}

.u-cat-chip-sm {
    padding: 5px 13px;
    font-size: 13px;
}

.u-cat-dot {
    flex: 0 0 auto;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--dot, #c9d2e5);
}

.u-cat-chip.is-active .u-cat-dot {
    background: #fff;
}

/* ==========================================================================
   问题广场 · 搜索 + 状态工具栏（同一行：左搜索 / 右状态）
   ========================================================================== */
.u-q-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

.u-q-search {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 320px;
    min-width: 0;
}

.u-q-search input.form {
    flex: 1 1 auto;
    width: auto;
    min-width: 120px;
}

.u-q-status {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;
    flex: 0 0 auto;
}

.u-q-status-label {
    margin-right: 2px;
    color: #b8bfd0;
    font-size: 12px;
}

.u-q-status-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 14px;
    font-size: 12px;
    line-height: 1.6;
    color: #a8b0c4;
    text-decoration: none;
    transition: color .18s, background .18s;
}

.u-q-status-item i {
    flex: 0 0 auto;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sc, #c9d0dd);
    opacity: .9;
}

.u-q-status-item:hover {
    color: #5a6280;
    background: #f2f5fb;
}

.u-q-status-item.is-active {
    color: #4a5570;
    font-weight: 600;
    background: #e9eef8;
}

/* 问题列表标题：字号 / 行高 / 字重 / 颜色 / 上下留白 与「案例与经验」列表一致 */
.u-q-item-title {
    display: inline-block;
    margin: 0 0 9px;
    font-size: 20px;
    line-height: 1.45;
    font-weight: 700;
    color: #0A2A57;
    text-decoration: none;
    transition: color .18s;
}

.u-q-item-title:hover {
    color: #1660FF;
}

/* 标题后的运营标签：顶置 / 精华 / 热门（后台设置） */
.u-q-flag {
    display: inline-block;
    margin: 0 0 9px 6px;
    padding: 1px 7px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 18px;
    font-weight: 500;
    color: #fff;
    vertical-align: 3px;
    white-space: nowrap;
}

.u-q-flag-top {
    background: #f53f3f;
}

.u-q-flag-essence {
    background: #7c5cff;
}

.u-q-flag-hot {
    background: #ff7d00;
}

/* 问题详情页侧栏「推荐产品」：正方形封面，一行 2 个 */
.u-rec-prod-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.u-rec-prod {
    display: block;
    text-decoration: none;
}

.u-rec-prod-cover {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    background-color: #eef1f7;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    transition: transform .18s;
}

.u-rec-prod:hover .u-rec-prod-cover {
    transform: translateY(-2px);
}

.u-rec-prod-t {
    display: block;
    margin-top: 6px;
    font-size: 12.5px;
    line-height: 1.45;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-rec-prod:hover .u-rec-prod-t {
    color: #2d8cf0;
}

/* 问题列表项底部行：左标签 / 右作者信息 */
.u-q-item-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px 16px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.u-q-item-tags {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}

.u-q-item-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    color: #a8b0c4;
    font-size: 12px;
}

.u-q-item-meta > span {
    white-space: nowrap;
}

/* 面包屑（左） + 类型切换（中） 同一行：三列网格保证切换真正水平居中 */
.u-crumb-tabs-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    margin-bottom: 28px;
}

.u-crumb-tabs-row .u-crumb {
    justify-self: start;
    margin-bottom: 0;
}

.u-crumb-tabs-row .u-prod-tabs {
    justify-self: center;
    margin-bottom: 0;
}

.u-crumb-tabs-row .u-prod-tabs a {
    padding-top: 6px;
    padding-bottom: 6px;
}

.u-page-head h1 {
    margin: 0;
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .5px;
    text-align: center;
}

.u-page-head .sub {
    font-size: 16px;
    color: #E2DDFF;
    text-align: center;
    margin-bottom: 28px;
}

/* 区块标题条（浅灰底 + 图标） */
.u-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    border-top-right-radius: 10px;
    border-top-left-radius: 10px;
    background: #EDF2FB;
}

/* 首页区域标题基准样式（问题分类 / 经验案例 / 热门产品 … 统一沿用） */
.u-section-head .u-title {
    font-size: 18px;
    font-weight: 700;
    color: #1f2430;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: .3px;
}

.u-section-head .u-title .u-ic {
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    color: #3B82F6;
    font-size: 23px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.u-section-head .u-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--u-text-3);
    font-size: 13.5px;
    text-decoration: none;
    transition: color .2s;
}

.u-section-head .u-more .iconfont {
    font-size: 11px;
}

.u-section-head .u-more:hover {
    color: var(--u-primary);
}

/* 分类卡片 */
.u-cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
    gap: 12px;
    background: #EDF2FB;
    padding: 0 15px 15px;
    /* 底部两角改为直角 */
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.u-cat-card {
    display: block;
    background: #fff;
    border: 1px solid #e9edf3;
    border-radius: 10px;
    padding: 16px;
    text-decoration: none;
    transition: all .2s;
}

.u-cat-card:hover {
    border-color: #cfdcf5;
    box-shadow: 0 6px 18px rgba(37, 99, 235, .1);
    transform: translateY(-2px);
}

.u-cat-head {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 13px;
}

.u-cat-icon {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    line-height: 1;
}

.u-cat-name {
    font-size: 15.5px;
    font-weight: 700;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-cat-keywords {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 10px;
    min-height: 42px;
    margin-bottom: 13px;
}

.u-cat-keywords span {
    font-size: 13.5px;
    color: #484848;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-cat-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 11px;
    border-top: 1px solid #f1f3f7;
    font-size: 12.5px;
    color: #9aa3b2;
}

.u-cat-foot .iconfont {
    font-size: 12px;
    color: #c3c9d4;
    transition: all .2s;
}

.u-cat-card:hover .u-cat-foot .iconfont {
    color: var(--u-primary);
    transform: translateX(3px);
}

/* 三列面板（白色卡片：热门产品 / 热门服务 / 人气榜） */
/* 热门服务、人气榜各收窄 40px，热门产品栏用 1fr 吸收让出的 80px（fr 不能参与 calc，故按容器宽度计算） */
.u-panels {
    display: grid;
    /* 热门服务 / 人气榜各收窄 30px，腾出的 60px 全部给「热门产品」 */
    grid-template-columns: 1fr calc((100% - 40px) / 3 - 110px) calc((100% - 60px) / 3 - 120px);
    gap: 20px;
    align-items: stretch;
}

.u-panel {
    background: #F6F9FE;
    border-radius: 14px;
    padding: 18px 20px 14px;
}

.u-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

/* 与 .u-section-head .u-title 保持一致的字体与样式 */
.u-panel-head .t {
    font-size: 18px;
    font-weight: 700;
    color: #1f2430;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: .3px;
}

/* 面板标题左侧蓝色渐变图标块（与区块标题 u-ic 同款） */
.u-panel-head .t .u-ic {
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    color: #3B82F6;
    font-weight: 500;
    font-size: 23px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.u-panel-head .t .badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 9px;
    font-weight: 400;
    line-height: 1.4;
}

/* 人气榜 最新/热门 胶囊型切换：浅蓝描边外胶囊，选中项蓝色实心小胶囊 */
.u-tab-capsule {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    background: #fff;
    border: 1px solid #c9d8f5;
    border-radius: 17px;
}

.u-tab-item {
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    color: var(--u-primary, #1660ff);
    padding: 5px 14px;
    border-radius: 14px;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    transition: all .15s;
}

.u-tab-item:hover {
    color: #3d7bff;
}

.u-tab-item.active {
    color: #fff;
    background: var(--u-primary, #1660ff);
}

.u-panel-head .m {
    font-size: 13px;
    color: var(--u-primary, #1660ff);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.u-panel-head .m .iconfont {
    font-size: 11px;
}

.u-panel-head .m:hover {
    opacity: .8;
}

.u-rank-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.u-rank-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 0 10px;
}

.u-rank-list li:last-child {
    border-bottom: none;
}

/* 榜单整行可点击（热门服务指向产品/服务详情） */
.u-rank-list li > a.u-rank-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 auto;
    min-width: 0;
    color: inherit;
    text-decoration: none;
}

/* 热门服务：左侧缩略图（渐变+图标占位，配置图片路径后显示真实图片） */
.u-rank-thumb {
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    color: #fff;
    font-size: 17px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.u-rank-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.u-rank-no {
    flex: 0 0 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: #c8cdd9;
}

.u-rank-list li:nth-child(1) .u-rank-no {
    background: #ff6b6b;
}

.u-rank-list li:nth-child(2) .u-rank-no {
    background: #ffa94d;
}

.u-rank-list li:nth-child(3) .u-rank-no {
    background: #ffd43b;
}

.u-rank-list .txt {
    /* flex 子项默认 min-width:auto，长标题会把右侧热度挤出可视区，
       这里用 flex:1 1 0 + min-width:0 让标题优先收缩并省略 */
    flex: 1 1 0;
    min-width: 0;
    font-size: 14px;
    color: #2b3245;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-rank-list .txt:hover {
    color: var(--u-primary);
}

.u-rank-list .hot {
    flex: 0 0 auto;
    font-size: 12px;
    color: #9aa3b2;
    white-space: nowrap;
}

/* 首页面板内产品瓷贴：左一大（跨两行两列）右四小 2×2（用 .u-panels 提高优先级，避免与产品列表页 u-prod-grid 冲突） */
/* 产品磁贴只展示封面主图，每个格子保持 1:1 正方形，灰色描边 */
/* 面板用 grid：首行标题按内容高，次行内容区占满剩余高度，保证三栏内容区等高 */
.u-panels .u-panel {
    display: grid;
    grid-template-rows: auto 1fr;
    height: 100%;
}

.u-panels .u-prod-grid {
    display: grid;
    /* 1 大 6 小：大图跨 2 列 2 行，剩余 3 列 × 2 行正好放 6 张小图 */
    grid-template-columns: repeat(5, 1fr);
    /* 两行等高：右侧 6 个小磁贴上下平均分配高度（auto 轨道由 align-content:stretch 均分剩余空间） */
    grid-template-rows: auto auto;
    /* 上下行距 5px（原 10px 减半），左右列距保持 10px */
    column-gap: 10px;
    row-gap: 5px;
    height: 100%;
    align-content: stretch;
}

.u-panels .u-prod-grid .u-prod-item-lg {
    grid-column: span 2;
    grid-row: span 2;
}

/* 榜单列表撑满面板剩余高度，与产品网格底部对齐（三者内容区等高） */
.u-panels .u-rank-list {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* 每一行均分可用高度：行数不同也能与产品网格底部齐平，行距均匀 */
.u-panels .u-rank-list > li {
    flex: 1 1 auto;
    min-height: 0;
    padding-bottom: 0;
}

/* 三栏标题行统一高度（人气榜含「最新/热门」胶囊更高），保证内容区起始线一致 */
.u-panels .u-panel-head {
    min-height: 30px;
}

/* 磁贴：边框白底只包住 1:1 封面，标题在封面下方、无背景不居中框内 */
.u-panels .u-prod-item {
    background: transparent;
    border: none;
    padding: 0;
    min-height: 0;
    justify-content: flex-start;
    color: #2c3a55;
    text-align: center;
}

.u-panels .u-prod-item .u-prod-cover {
    display: block;
    width: 100%;
    /* 小磁贴封面固定 1:1 正方形（大磁贴单独放开） */
    flex: 0 0 auto;
    aspect-ratio: 1 / 1;
    min-height: 0;
    border: 1px solid #e3e8f0;
    border-radius: 8px;
    overflow: hidden;
}

/* 大磁贴封面填满跨行后的剩余高度 */
.u-panels .u-prod-item-lg .u-prod-cover {
    flex: 1 1 auto;
    aspect-ratio: auto;
}

/* 封面下方标题：无背景、不加粗，居中；小磁贴只显示一行，超出直接裁掉不显示省略号 */
.u-panels .u-prod-item .u-prod-name {
    padding: 7px 1px 5px;
    font-size: 11.5px;
    font-weight: 400;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis
}

/* 左侧大磁贴标题：字号更大，最多两行，超出裁掉不显示省略号 */
.u-panels .u-prod-item-lg .u-prod-name {
    font-size: 14px;
    white-space: normal;
    max-height: 2.6em;
}

/* 悬停效果只作用于封面（标题在框外，不参与投影） */
.u-panels .u-prod-item:hover {
    box-shadow: none;
}

.u-panels .u-prod-item:hover .u-prod-cover {
    box-shadow: 0 8px 18px rgba(23, 43, 92, .16);
}

/* 大磁贴由两个正方形跨行跨列自然形成，不再单独约束宽高比 */
.u-panels .u-prod-item-lg {
    aspect-ratio: auto;
}

/* 产品不足 7 个时的补位磁贴：方形空框 + 下方「查看全部」，结构与产品磁贴一致，保证两行等高 */
.u-panels .u-prod-item-more {
    background: transparent;
    color: #55607a;
    font-size: 11.5px;
    font-weight: 400;
    line-height: 1.3;
    padding: 4px 8px 5px;
    white-space: nowrap;
    overflow: hidden;
}

.u-panels .u-prod-item-more::before {
    content: '';
    display: block;
    width: 100%;
    /* 抵消磁贴左右内边距，方形框与产品封面同宽，保证两行行高一致 */
    width: calc(100% + 16px);
    margin: 0 -8px;
    aspect-ratio: 1 / 1;
    border: 1px solid #e3e8f0;
    border-radius: 8px;
    background: #fff;
}

.u-panels .u-prod-item-more:hover {
    color: var(--u-primary, #1660ff);
}

.u-prod-item {
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none;
    display: flex;
    color: #fff;
    min-height: 88px;
    padding: 10px;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    transition: transform .2s, box-shadow .2s;
}

.u-prod-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(23, 43, 92, .16);
}

.u-prod-item .pt {
    font-size: 12.5px;
    font-weight: 700;
    /* 对接真实产品数据后标题/摘要变长，超长时截断避免撑高瓷贴 */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.u-prod-item .ps {
    font-size: 11px;
    opacity: .85;
    margin-top: 3px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

/* 左侧大瓷贴：文字放大 */
.u-prod-item-lg .pt {
    font-size: 16px;
}

.u-prod-item-lg .ps {
    font-size: 12px;
}

/* ==========================================================================
   经验案例（首页：浅蓝灰底容器 + 标题 + 白色卡片网格，色值取自原型 #F6F9FE）
   ========================================================================== */
.u-case-block {
    background: #f6f9fe;
    border-radius: 14px;
    padding: 2px 20px 20px;
}

.u-case-block .u-section-head-flat {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 17px 0 15px;
    margin-bottom: 0;
}

.u-case-block .u-more {
    color: #6366f1;
}

.u-case-block .u-more:hover {
    color: #4f46e5;
}

.u-case-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.u-case-card {
    display: block;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 1px 3px rgba(23, 43, 92, .05);
    transition: all .2s;
}

.u-case-card:hover {
    box-shadow: 0 8px 22px rgba(37, 99, 235, .14);
    transform: translateY(-3px);
}

.u-case-cover {
    position: relative;
    height: 88px;
    padding: 10px 11px;
    overflow: hidden;
    color: #fff;
}

/* 真实封面图上的压暗层，保证分类名/标题可读 */
.u-case-cover::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(9, 16, 33, .52), rgba(9, 16, 33, .12));
    pointer-events: none;
}

.u-case-cat {
    position: relative;
    z-index: 2;
    display: inline-block;
    font-size: 11px;
    line-height: 1;
    padding: 4px 7px;
    border-radius: 4px;
    background: rgba(255, 255, 255, .24);
    color: rgba(255, 255, 255, .98);
}

/* 标题位于封面下方（深色正文色，两行截断） */
.u-case-tt {
    font-size: 15px;
    line-height: 1.5;
    font-weight: 600;
    color: #1f2937;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s;
}

.u-case-card:hover .u-case-tt {
    color: #365AC8;
}

.u-case-art {
    position: absolute;
    right: 2px;
    bottom: -10px;
    width: 92px;
    z-index: 1;
    pointer-events: none;
}

.u-case-art svg {
    display: block;
    width: 100%;
    height: auto;
}

.u-case-body {
    padding: 12px 13px 14px;
}

.u-case-body .d {
    font-size: 14px;
    color: #3f4654;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 标题下方的标签行（浅灰底、灰字小方块） */
.u-case-body .tags {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 22px;
}

.u-case-body .tags span {
    font-size: 12px;
    line-height: 1;
    color: #6b7280;
    background: #f2f3f5;
    padding: 5px 10px;
    border-radius: 4px;
    letter-spacing: .2px;
}

.u-case-empty {
    grid-column: 1 / -1;
    padding: 30px 0;
    text-align: center;
    color: #8a94a6;
    font-size: 14px;
}

/* ==========================================================================
   案例与经验 列表页（左：案例列表 + 关联问题分类过滤 / 右：热门文章）
   ========================================================================== */
.u-cases-block {
    background: #fff;
    padding: 12px 0;
}

.u-cases-block .u-section-head-flat {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 17px 0 15px;
    margin-bottom: 0;
}

.u-cases-block .u-more {
    color: #1660FF;
}

.u-cases-block .u-more:hover {
    color: #0d4fd6;
}

.u-cases {
    display: grid;
    grid-template-columns: 1fr 290px;
    gap: 30px;
    align-items: start;
}

/* 分类过滤 */
.u-cases-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 16px;
    line-height: 27px;
    margin-bottom: 4px;
    color: #888888;
}

.u-cases-tabs a {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 16px;
    line-height: 21px;
    color: #686767;
    background: #F3F3F3;
    text-decoration: none;
    transition: all .18s;
}

.u-cases-tabs a:hover {
    background: #323232;
    color: #FFFFFF;
}

.u-cases-tabs a.on {
    background: #323232;
    color: #fff;
}

/* 案例列表 */
.u-case-item {
    display: flex;
    gap: 22px;
    padding: 20px 0;
    border-bottom: 1px solid #E0E0E0;
    text-decoration: none;
}

.u-case-item:first-child {
    padding-top: 18px;
}

.u-case-item:last-child {
    border-bottom: none;
    padding-bottom: 4px;
}

.u-case-item-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding-right: 58px;
}

.u-case-item-main h3 {
    margin: 0 0 9px;
    font-size: 20px;
    line-height: 1.45;
    font-weight: 700;
    color: #0A2A57;
    transition: color .18s;
}

.u-case-item:hover h3 {
    color: #1660FF;
}

.u-case-item-main .desc {
    font-size: 14px;
    line-height: 1.55;
    color: #6D798B;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.u-case-item-meta {
    margin-top: auto;
    padding-top: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
}

.u-case-item-meta .tag {
    font-size: 12px;
    line-height: 19px;
    padding: 0 8px;
    border-radius: 4px;
    background: #EFF3FF;
    color: #0066FF;
    white-space: nowrap;
}

.u-case-item-meta .date {
    margin-left: auto;
    font-size: 14px;
    color: #888888;
}

.u-case-item-thumb {
    flex: 0 0 178px;
    width: 178px;
    height: 106px;
    border-radius: 8px;
    overflow: hidden;
    background: linear-gradient(135deg, #eef3fb, #e2eaf7);
}

.u-case-item-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s;
}

.u-case-item:hover .u-case-item-thumb img {
    transform: scale(1.06);
}

/* 空状态 */
.u-cases-empty {
    padding: 56px 0 60px;
    margin-top: 4px;
    text-align: center;
    color: #a8b0bf;
    font-size: 13px;
    background: #fafbfe;
    border-radius: 12px;
}

.u-cases-empty .ico {
    font-size: 26px;
    margin-bottom: 10px;
    opacity: .8;
}

.u-cases-empty a {
    display: inline-block;
    margin-top: 10px;
    color: #1660FF;
    text-decoration: none;
    font-size: 13px;
}

/* 案例/产品详情页侧栏相关推荐 */
.u-side-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 4px;
    color: #333;
    text-decoration: none;
    border-bottom: 1px dashed #f0f0f0;
    font-size: 14px;
    transition: color .15s, background .15s;
}

.u-side-link:last-child {
    border-bottom: 0;
}

.u-side-link:hover {
    color: var(--u-primary);
    background: #f8f9fd;
}

.u-side-dot {
    flex: 0 0 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2d8cf0;
}

.u-side-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-side-empty {
    padding: 10px 4px;
    color: #aaa;
    font-size: 13px;
    text-align: center;
}

/* 分页 */
/* 案例分页外层仅作容器，间距由内部 .u-pages 统一提供 */
.u-cases-page {
    margin-top: 4px;
}

/* 右侧热门文章 */
.u-hot-head {
    display: flex;
    align-items: center;
    gap: 7px;
    padding-bottom: 12px;
    border-bottom: 1px solid #efefef;
    font-size: 16px;
    font-weight: 700;
    color: #333;
}

.u-hot-head .ico {
    font-size: 15px;
    line-height: 1;
}

.u-hot ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.u-hot li {
    display: flex;
    gap: 10px;
    padding: 11px 0;
}

.u-hot li+li {
    border-top: 1px solid #f5f6f9;
}

.u-hot .no {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    border-radius: 5px;
    background: #ebf4ff;
    color: #6e8cae;
    font-size: 12px;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
}

.u-hot li:nth-child(1) .no {
    background: #ffecec;
    color: #ff4d4f;
}

.u-hot li:nth-child(2) .no {
    background: #fff3e8;
    color: #fa8c16;
}

.u-hot li:nth-child(3) .no {
    background: #fff8e6;
    color: #f5a623;
}

.u-hot .bd {
    flex: 1;
    min-width: 0;
}

.u-hot .txt {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 13.5px;
    line-height: 1.55;
    color: #3a3a3a;
    text-decoration: none;
}

.u-hot .txt:hover {
    color: #1660FF;
}

.u-hot .cnt {
    margin-top: 4px;
    font-size: 12px;
    color: #b0b0b0;
}

.u-hot-empty {
    padding: 30px 0;
    text-align: center;
    color: #b6bcc9;
    font-size: 13px;
}

/* ==========================================================================
   尾部：深色页脚（品牌 / 快速导航 / 帮助中心 / 联系我们 / 在线客服 / 提示插图）
   ========================================================================== */
.u-footer {
    margin-top: 60px;
    background: #0e1322;
}

.u-footer-main {
    color: #fff;
    background: radial-gradient(900px 300px at 16% 0%, rgba(54, 90, 200, .20), transparent 62%),
        linear-gradient(180deg, #121829 0%, #161d33 100%);
    padding: 42px 0 0;
    border-top: 1px solid rgba(255, 255, 255, .05);
}

.u-footer-top {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding-bottom: 28px;
}

/* 品牌 */
.u-footer-brand {
    flex: 0 0 auto;
    min-width: 160px;
    padding-top: 18px;
}

.u-footer-brand .logo {
    display: inline-block;
    font-size: 27px;
    font-weight: 800;
    letter-spacing: 1px;
    color: #fff;
    text-decoration: none;
    line-height: 1.1;
}

.u-footer-brand .logo span {
    color: #4d8dff;
    padding: 0 1px;
}

.u-footer-brand .slogan {
    margin-top: 10px;
    font-size: 12.5px;
    color: rgba(255, 255, 255, .5);
    letter-spacing: 1px;
}

/* 导航三列 */
.u-footer-nav {
    flex: 1;
    display: flex;
    gap: 112px;
    min-width: 0;
    padding: 3px 0 0 72px;
}

.u-footer-nav dl {
    margin: 0;
}

.u-footer-nav dt {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 13px;
    white-space: nowrap;
}

.u-footer-nav dd {
    margin: 0 0 9px;
    font-size: 12.5px;
    line-height: 1.5;
}

.u-footer-nav dd a {
    color: rgba(255, 255, 255, .62);
    text-decoration: none;
    transition: color .15s;
}

.u-footer-nav dd a:hover {
    color: #fff;
}

/* 联系我们 */
.u-footer-contact dd {
    display: flex;
    align-items: center;
    gap: 7px;
    color: rgba(255, 255, 255, .62);
    white-space: nowrap;
}

.u-footer-contact dd a {
    color: rgba(255, 255, 255, .62);
}

.u-footer-contact dd .iconfont {
    font-size: 14px;
    color: #4d8dff;
}

/* 在线客服 */
.u-footer-qr {
    flex: 0 0 auto;
}

.u-footer-qr .tt {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 13px;
}

.u-footer-qrs {
    display: flex;
    gap: 12px;
}

.u-footer-qrs figure {
    margin: 0;
    text-align: center;
}

.u-footer-qrs img {
    display: block;
    width: 84px;
    height: 84px;
    padding: 4px;
    border-radius: 8px;
    background: #fff;
}

.u-footer-qrs figcaption {
    margin-top: 6px;
    font-size: 11px;
    color: rgba(255, 255, 255, .45);
}

/* 提示插图（有问题？找 U-ONE！） */
.u-footer-cta {
    flex: 0 0 148px;
    width: 148px;
}

.u-footer-cta img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.u-footer-cta-ph {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 100%;
    aspect-ratio: 4 / 3;
    border: 1px dashed rgba(255, 255, 255, .22);
    border-radius: 10px;
    background: rgba(255, 255, 255, .03);
    transform: rotate(-2deg);
}

.u-footer-cta-ph .q {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, .88);
}

.u-footer-cta-ph .a {
    font-size: 13.5px;
    font-weight: 700;
    letter-spacing: .5px;
    color: #ffd166;
}

/* 友情链接 */
.u-footer-links {
    border-top: 1px solid rgba(255, 255, 255, .07);
    padding: 13px 0 16px;
    line-height: 1.9;
}

.u-footer-links-text {
    color: rgba(255, 255, 255, .42);
    font-size: 12.5px;
}

.u-footer-links a {
    color: rgba(255, 255, 255, .55);
    padding-right: 18px;
    font-size: 12.5px;
    text-decoration: none;
}

.u-footer-links a:hover {
    color: #fff;
}

/* 备案条 */
.u-footer-copy {
    height: 46px;
    line-height: 46px;
    color: #7d859b;
    background-color: #0a0e1a;
    font-size: 12px;
    text-align: center;
}

.u-footer-copy p {
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.u-footer-copy span {
    color: #9aa2b6;
}

.u-footer-copy a {
    color: #7d859b !important;
    text-decoration: none;
    margin-left: 12px;
}

.u-footer-copy a:hover {
    color: #fff !important;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
    .u-hero-right {
        flex-basis: 320px;
    }

    .u-hero h1 {
        font-size: 38px;
    }

    .u-ask-reply {
        flex-basis: 210px;
    }

    .u-ask-robot .robot {
        width: 100px;
    }

    .u-ask-robot .balloon {
        width: 130px;
        height: 82px;
    }

    .u-case-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 中等屏：头部收纳（导航+搜索+按钮改为紧凑布局，避免横向溢出） */
@media (max-width: 1250px) {
    /* 仅隐藏 logo 右侧的头部标签；列表里的状态标签（.u-tag-pending 等）需保留 */
    .u-header-inner .u-tag {
        display: none;
    }

    .u-search {
        width: 170px;
    }

    .u-nav {
        margin-left: 14px;
    }

    .u-nav>a {
        padding: 0 11px;
    }

    .u-header-right {
        gap: 8px;
    }

    .u-publish-btn {
        padding: 0 16px;
    }

    /* 页脚：中等屏收紧三列间距，避免挤压换行 */
    .u-footer-nav {
        gap: 56px;
        padding-left: 24px;
    }
}

@media (max-width: 900px) {

    .u-nav,
    .u-search,
    .u-header-inner .u-tag {
        display: none;
    }

    .u-nav-toggle {
        display: block;
        flex: 0 0 auto;
        margin-left: 0;
    }

    .u-header-inner {
        height: 58px;
        gap: 8px;
    }

    .u-logo img {
        height: 34px;
    }

    /* 首页手机端：头部透明露出 banner 紫底，logo 用纯白底块衬出，菜单图标改纯白（其它页面保持原样） */
    .u-home .u-logo {
        padding: 5px 8px;
        margin-right: 0;
        background: #fff;
        border-radius: 8px;
    }

    .u-home .u-nav-toggle {
        color: #fff;
    }

    .u-header-right {
        gap: 6px;
        margin-left: auto;
    }

    .u-publish-btn {
        height: 32px;
        line-height: 32px;
        padding: 0 13px;
        font-size: 13px;
    }

    .u-user>a {
        font-size: 14px;
        height: 32px;
    }

    .u-user-btn {
        height: 32px;
        border-radius: 16px;
        padding: 0 9px 0 5px;
    }

    .u-user-btn .u-user-avatar {
        flex-basis: 24px;
        width: 24px;
        height: 24px;
    }

    .u-user-btn .u-user-name {
        max-width: 72px;
    }

    .u-nav.u-nav-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        left: 0;
        right: 0;
        top: 58px;
        height: auto;
        margin: 0;
        padding: 8px 0;
        background: #fff;
        border-bottom: 1px solid var(--u-line);
        box-shadow: var(--u-shadow);
        z-index: 99;
    }

    .u-nav.u-nav-open>a {
        height: 46px;
        width: 100%;
        padding: 0 20px;
    }

    .u-nav.u-nav-open>a.active::after {
        display: none;
    }

    /* 折叠菜单是竖排列表，气泡改为跟随文字排列，避免飘出屏幕 */
    .u-nav.u-nav-open>a .u-hot {
        position: static;
        margin-left: 6px;
    }

    .u-nav.u-nav-open>a .u-hot::after {
        display: none;
    }

    /* 移动端 hero 不固定高度：内容纵向堆叠后总高超过 430px，会被 overflow 裁切并顶到透明导航下面 */
    .u-hero {
        height: auto;
        padding: 14px 0 26px;
        align-items: flex-start;
    }

    .u-hero::before {
        width: 100%;
        background: linear-gradient(180deg, #fff 0%, #fff 40%, rgba(255, 255, 255, .55) 100%);
    }

    .u-hero-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    /* 两行数据竖排：窄屏并排会被挤成一行并溢出 */
    .u-hero-stats {
        flex-direction: column;
        gap: 6px;
        font-size: 14px;
    }

    .u-hero-stats b {
        font-size: 17px;
    }

    /* 移动端改为纵向堆叠，取消文案上移，避免顶到导航 */
    .u-hero-left {
        top: 0;
        margin-bottom: 0;
    }

    .u-hero-right {
        flex: none;
        width: 100%;
        max-width: 320px;
        margin-top: 0;
        align-self: center;
    }

    .u-hero h1 {
        font-size: 30px;
    }

    .u-ask-wrap {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
    }

    /* 手机端：机器人 + 气泡同一行左右排列（机器人在左，气泡占满右侧剩余宽度） */
    .u-ask-robot {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 8px;
        align-self: auto;
        padding-top: 0;
    }

    .u-ask-robot .robot {
        width: 96px;
        margin: 0;
    }

    /* 气泡改为自适应白卡：原 199x115 背景图是固定比例，缩放后白底只占中间一块、两侧留白 */
    .u-ask-robot .balloon {
        flex: 1 1 auto;
        width: auto;
        min-width: 0;
        height: auto;
        margin: 0;
        padding: 11px 14px;
        background: #fff;
        border-radius: 14px;
        box-shadow: 0 8px 20px rgba(80, 120, 220, .14);
        position: relative;
        align-items: flex-start;
        gap: 1px;
    }

    /* 小尖角改到气泡左侧偏下，指向左边的机器人 */
    .u-ask-robot .balloon::after {
        content: '';
        position: absolute;
        left: -5px;
        bottom: 16px;
        width: 14px;
        height: 14px;
        margin-left: 0;
        background: #fff;
        border-radius: 3px;
        transform: rotate(45deg);
    }

    .u-ask-robot .balloon .b1 {
        font-size: 15px;
        line-height: 1.5;
        text-align: left;
    }

    .u-ask-robot .balloon .b2 {
        font-size: 14px;
        line-height: 1.6;
        font-weight: 600;
        text-align: left;
    }

    .u-ask-card {
        padding: 18px;
        margin: 15px 0;
    }

    .u-ask-reply {
        flex: none;
        padding-top: 14px;
        border-top: 1px dashed rgba(122, 134, 180, .3);
    }

    /* 手机端：问题标题占满剩余宽度并省略，状态标签始终显示在右侧 */
    .u-ask-reply li .t {
        max-width: none;
    }

    .u-ask-reply li .u-tag {
        flex: 0 0 auto;
        display: inline-flex;
    }

    .u-section-head {
        padding: 10px 14px;
    }

    /* 手机端：各区域标题等比缩小，保持一致 */
    .u-section-head .u-title,
    .u-panel-head .t,
    .u-ask-title,
    .u-ask-reply .u-ask-reply-title > span {
        font-size: 17px;
    }

    .u-case-block .u-section-head-flat {
        padding: 12px 0 13px;
    }

    .u-cases-block .u-section-head-flat {
        padding: 12px 0 13px;
    }

    .u-panels {
        grid-template-columns: 1fr;
    }

    .u-case-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .u-cases {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .u-cases-block {
        padding: 2px 18px 20px;
    }

    .u-case-item-thumb {
        flex: 0 0 176px;
        width: 176px;
        height: 106px;
    }

    /* 页脚：品牌与插图一行，导航与二维码换行 */
    .u-footer-top {
        flex-wrap: wrap;
        gap: 24px;
    }

    .u-footer-brand {
        flex: 1;
        min-width: 140px;
    }

    .u-footer-nav {
        order: 3;
        flex: 1 0 100%;
        gap: 30px;
        flex-wrap: wrap;
        padding-left: 0;
    }

    .u-footer-qr {
        order: 2;
    }

    .u-footer-cta {
        order: 4;
        flex: 0 0 130px;
        width: 130px;
    }

    .u-footer-qrs img {
        width: 74px;
        height: 74px;
    }

    /* 备案条：窄屏允许换行，避免备案号被 nowrap 裁掉 */
    .u-footer-copy {
        height: auto;
        line-height: 1.9;
        padding: 10px 0;
        font-size: 11.5px;
    }

    .u-footer-copy p {
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .u-footer-copy a {
        margin-left: 0;
        margin-right: 10px;
    }
}

@media (max-width: 700px) {
    .u-case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .u-case-item {
        gap: 14px;
        padding: 16px 0;
    }

    .u-case-item-main h3 {
        font-size: 15.5px;
        margin-bottom: 7px;
    }

    .u-case-item-main .desc {
        font-size: 12.5px;
        line-height: 1.7;
    }

    .u-case-item-thumb {
        flex: 0 0 120px;
        width: 120px;
        height: 80px;
        border-radius: 7px;
    }

    .u-case-item-meta {
        padding-top: 9px;
    }
}

@media (max-width: 600px) {
    .u-hero h1 {
        font-size: 25px;
    }

    .u-cases-block {
        padding: 2px 14px 16px;
        border-radius: 12px;
    }

    .u-cases-block .u-section-head-flat {
        padding: 13px 0 12px;
    }

    .u-cases-tabs {
        gap: 6px;
    }

    .u-cases-tabs a {
        padding: 4px 12px;
        font-size: 12px;
    }

    .u-case-item {
        gap: 12px;
        padding: 14px 0;
    }

    .u-case-item-main h3 {
        font-size: 15px;
    }

    .u-q-item-title {
        font-size: 15px;
    }

    .u-case-item-main .desc {
        -webkit-line-clamp: 3;
        font-size: 12.5px;
    }

    .u-case-item-thumb {
        flex: 0 0 104px;
        width: 104px;
        height: 72px;
        border-radius: 6px;
    }

    .u-case-item-meta .tag {
        font-size: 11px;
        line-height: 18px;
        padding: 0 6px;
    }

    .u-case-body .tags span {
        font-size: 11px;
        padding: 4px 8px;
    }

    .u-container {
        padding: 0 14px;
    }

    .u-publish-btn {
        height: 30px;
        line-height: 30px;
        padding: 0 11px;
        font-size: 12px;
    }

    .u-user>a {
        font-size: 13px;
    }

    .u-logo img {
        height: 30px;
    }

    .u-nav-toggle {
        font-size: 20px;
    }

    .u-cat-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .u-cat-card {
        padding: 13px;
    }

    .u-cat-head {
        gap: 7px;
        margin-bottom: 10px;
    }

    .u-cat-icon {
        flex: 0 0 26px;
        width: 26px;
        height: 26px;
        border-radius: 7px;
        font-size: 13px;
    }

    .u-cat-name {
        font-size: 14px;
    }

    .u-cat-keywords {
        gap: 5px 8px;
        min-height: 36px;
        margin-bottom: 11px;
    }

    .u-cat-keywords span {
        font-size: 11.5px;
    }

    .u-cat-foot {
        padding-top: 9px;
        font-size: 11.5px;
    }
}

/* ==========================================================================
   浜у搧涓庢湇鍔?- 鍒楄〃椤?
   ========================================================================== */
/* 类型切换：文字选项卡（选中黑色加粗 + 蓝色短横线，参考截图） */
.u-prod-tabs {
    display: flex;
    gap: 53px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.u-prod-tabs a {
    position: relative;
    padding: 10px 2px;
    color: #888888;
    font-size: 20px;
    font-weight: 500;
    text-decoration: none;
    transition: color .15s;
}

.u-prod-tabs a:hover {
    color: #0A80FD;
}

.u-prod-tabs a.active {
    color: #323232;
    font-weight: 700;
}

.u-prod-tabs a.active::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 46px;
    height: 4px;
    border-radius: 3px;
    background: #0A80FD;
}

.u-prod-cats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
    margin-bottom: 40px;
    padding: 7px 14px;
    background: #F7F7F7;
    border-radius: 8px;
}

.u-prod-cats a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 12px;
    border-radius: 38px;
    background: #fff;
    color: #686767;
    font-size: 16px;
    text-decoration: none;
    transition: all .15s;
}

.u-prod-cats a .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.u-prod-cats a:hover {
    color: #1660ff;
    box-shadow: 0 2px 8px rgba(22, 96, 255, .12);
}

.u-prod-cats a.active {
    background: #323232;
    color: #fff;
}

.u-prod-cats a.active .dot {
    background: #fff !important;
}

/* 二级分类行：紧跟一级行下方，视觉上弱一档 */
.u-prod-cats-sub {
    margin-top: -28px;
}

/* 案例列表页：分类胶囊位于左栏头部，左对齐；底部留出与列表的间距 */
.u-cases-cats,
.u-cases-cats + .u-prod-cats-sub {
    justify-content: flex-start;
}

.u-cases-cats {
    margin-bottom: 26px;
}

.u-prod-cats-sub a {
    font-size: 15px;
    padding: 2px 11px;
}

.u-prod-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.u-prod-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    transition: all .2s;
    border: 1px solid #E0E0E0;
}

.u-prod-card:hover {
    box-shadow: 0 10px 26px rgba(23, 43, 92, .1);
    transform: translateY(-3px);
    border-color: transparent;
}

.u-prod-card .cover {
    position: relative;
    aspect-ratio: 1 / 1;
    background: #f2f5fb;
    overflow: hidden;
}

.u-prod-card .cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.u-prod-card .cover .ph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c5cde0;
    font-size: 42px;
}

.u-prod-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    font-size: 11px;
    line-height: 1;
    padding: 5px 9px;
    border-radius: 5px;
    background: #1660ff;
    color: #fff;
    font-weight: 500;
}

.u-prod-badge.is-svc {
    background: #ff8f1f;
}

.u-prod-card .body {
    padding: 10px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.u-prod-card .tt {
    font-size: 18px;
    /* font-weight: 700; */
    color: #000000;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 标题下 meta 行：左侧分类标签 + 右侧人气值 */
.u-prod-card .meta {
    margin-top: 11px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.u-prod-card .meta .cat {
    font-size: 12px;
    color: #0066FF;
    background: #EFF3FF;
    padding: 0 8px;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.u-prod-card .meta .hot {
    flex: 0 0 auto;
    font-size: 12px;
    color: #ED6714;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.u-prod-card .meta .hot i {
    font-size: 12px;
}

.u-prod-card .foot .price {
    margin-left: auto;
    color: #ff6b35;
    font-weight: 600;
}

/* ==========================================================================
   浜у搧涓庢湇鍔?- 璇︽儏椤?
   ========================================================================== */
/* 详情页：内容区背景统一为纯白（覆盖框架默认 #F5F7FB） */
.u-detail-page body {
    background: #fff;
}

.u-pd-head {
    display: flex;
    gap: 26px;
    background: #c7ddfc;
    border: 1px solid #b7d3f9;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 2px 14px rgba(23, 43, 92, .04);
}

/* 封面正方形：宽高一致 200px */
.u-pd-cover {
    position: relative;
    flex: 0 0 200px;
    width: 200px;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

.u-pd-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.u-pd-cover .ph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c5cde0;
    font-size: 48px;
}

.u-pd-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.u-pd-info h1 {
    font-size: 24px;
    font-weight: 700;
    color: #1f2430;
    line-height: 1.3;
}

.u-pd-info .desc {
    margin-top: 10px;
    font-size: 14px;
    color: #000000;
    line-height: 1.7;
}

.u-pd-info .meta {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
}

.u-pd-info .meta .tag {
    font-size: 12px;
    color: #70707;
    background: #f1f1f1;
    border: 1px solid #dbe8ff;
    padding: 3px 10px;
    border-radius: 6px;
}

.u-pd-info .meta .price {
    margin-left: 6px;
    font-size: 16px;
    color: #ff6b35;
    font-weight: 700;
}

.u-pd-info .actions {
    margin-top: 16px;
    display: flex;
    gap: 10px;
}

.u-pd-info .actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 26px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all .15s;
}

.u-pd-info .actions .btn.primary {
    background: var(--u-primary, #1660FF);
    color: #fff;
    box-shadow: 0 6px 16px rgba(22, 96, 255, .3);
}

.u-pd-info .actions .btn.primary:hover {
    filter: brightness(1.06);
}

.u-pd-info .actions .btn.ghost {
    border: 1px solid #c3d3f8;
    color: #1660ff;
    background: #fff;
}

.u-pd-info .actions .btn.ghost:hover {
    background: #f3f7ff;
}

.u-pd-info .stats {
    margin-top: auto;
    padding-top: 14px;
    display: flex;
    gap: 18px;
    font-size: 12.5px;
    color: #4c4d50;
}

.u-pd-info .stats span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.u-pd-info .stats i {
    font-size: 13px;
}

.u-pd-tabs-wrap {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #edf0f5;
}

.u-pd-tabs {
    display: flex;
    justify-content: center;
    gap: 2px;
    overflow-x: auto;
}

/* 窄屏下居中会导致左侧被裁切，改为左对齐可滚动 */
@media (max-width: 768px) {
    .u-pd-tabs {
        justify-content: flex-start;
    }
}

.u-pd-tabs a {
    position: relative;
    padding: 14px 18px;
    font-size: 14.5px;
    color: #6b7280;
    text-decoration: none;
    white-space: nowrap;
    transition: color .15s;
}

.u-pd-tabs a:hover {
    color: #1660ff;
}

.u-pd-tabs a.active {
    color: #1660ff;
    font-weight: 600;
}

.u-pd-tabs a.active::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 22px;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: #1660ff;
}

.u-pd-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 318px;
    gap: 26px;
    align-items: start;
}

.u-pd-left {
    min-width: 0;
}

.u-pd-side {
    position: sticky;
    top: 62px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.u-pd-sec {
    margin-bottom: 34px;
    scroll-margin-top: 76px;
}

.u-pd-sec-tt {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: #1f2430;
    margin-bottom: 16px;
}

.u-pd-sec-tt i {
    color: #1660ff;
    font-size: 19px;
}

.u-pd-sec-tt .hint {
    margin-left: 6px;
    font-size: 12px;
    font-weight: 400;
    color: #a3abbe;
}

.u-pd-content {
    font-size: 14.5px;
    color: #3f4654;
    line-height: 1.85;
}

.u-pd-content img {
    max-width: 100%;
    border-radius: 8px;
}

.u-pd-content p {
    margin: 0 0 12px;
}

/* 正文标题：统一为与栏目标题（.u-pd-sec-tt）一致的风格，并带图标
   （.u-pd-changelog 内的 h3 已用于时间轴，需排除） */
.u-pd-content:not(.u-pd-changelog)>h1,
.u-pd-content:not(.u-pd-changelog)>h2 {
    position: relative;
    margin: 26px 0 16px;
    padding-left: 28px;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    color: #1f2430;
}

.u-pd-content:not(.u-pd-changelog)>h1:first-child,
.u-pd-content:not(.u-pd-changelog)>h2:first-child {
    margin-top: 0;
}

.u-pd-content:not(.u-pd-changelog)>h1::before,
.u-pd-content:not(.u-pd-changelog)>h2::before {
    position: absolute;
    left: 0;
    top: .16em;
    font-family: iconfont !important;
    font-style: normal;
    font-weight: 400;
    font-size: 19px;
    line-height: 1;
    color: #1660ff;
    content: "\ec48";
}

.u-pd-content:not(.u-pd-changelog)>h3 {
    position: relative;
    margin: 22px 0 10px;
    padding-left: 24px;
    font-size: 16.5px;
    font-weight: 700;
    line-height: 1.5;
    color: #1f2430;
}

.u-pd-content:not(.u-pd-changelog)>h3::before {
    position: absolute;
    left: 0;
    top: .18em;
    font-family: iconfont !important;
    font-style: normal;
    font-weight: 400;
    font-size: 15px;
    line-height: 1;
    color: #1660ff;
    content: "\e667";
}

.u-pd-content ul,
.u-pd-content ol {
    margin: 0 0 12px;
    padding-left: 22px;
}

.u-pd-content li {
    margin: 4px 0;
}

.u-pd-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0 14px;
    font-size: 13.5px;
}

.u-pd-content th,
.u-pd-content td {
    border: 1px solid #e5e9f2;
    padding: 9px 12px;
    text-align: left;
}

.u-pd-content th {
    background: #f6f9fe;
    color: #1f2430;
    font-weight: 600;
}

/* 鍗囩骇鏃ュ織锛氭椂闂寸嚎 */
.u-pd-changelog h3 {
    position: relative;
    padding-left: 20px;
    border-left: 2px solid #d9e4fb;
    padding-bottom: 18px;
    margin: 0 0 6px 6px;
    font-size: 15.5px;
    color: #1f2430;
}

.u-pd-changelog h3::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 3px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #1660ff;
    border: 2.5px solid #d9e8ff;
}

.u-pd-changelog h3:last-of-type {
    border-left-color: transparent;
    padding-bottom: 0;
}

.u-pd-changelog h3+ul,
.u-pd-changelog h3+ol,
.u-pd-changelog h3+p {
    margin: -10px 0 18px 8px;
    padding-left: 20px;
    border-left: 2px solid #d9e4fb;
    font-size: 14px;
    color: #55607a;
}

/* 甯歌闂 */
/* 问题行用 flex 布局：图标与问题文字强制同行，文字换行时图标顶对齐 */
.u-pd-content.u-pd-faq>h3 {
    display: flex;
    align-items: flex-start;
    background: #f6f9fe;
    border-radius: 9px;
    padding: 12px 16px;
    margin: 0 0 10px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
    color: #1f2430;
}

.u-pd-content.u-pd-faq>h3::before {
    content: 'Q';
    flex: 0 0 auto;
    position: static;
    transform: none;
    width: 18px;
    height: 18px;
    margin: 2px 10px 0 0;
    border-radius: 5px;
    background: #1660ff;
    color: #fff;
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
}

/* 答案缩进与问题文字起点对齐：16(padding) + 18(图标) + 10(间距) = 44 */
.u-pd-faq h3+p,
.u-pd-faq h3+ul {
    padding: 2px 0 14px 44px;
    margin: 0 0 6px;
    font-size: 14px;
    color: #55607a;
    line-height: 1.75;
}

/* 鎴浘杞挱 */
.u-shots-wrap {
    position: relative;
}

.u-shots-track {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 4px 2px 12px;
    scrollbar-width: thin;
}

/* 卡片宽度随截图比例自适应（与旧站一致：定高不定宽，界面内容不被裁切） */
/* 自动循环滚动时关闭吸附与滚动条，避免滚动被强制回弹 */
.u-shots-track.auto {
    scroll-snap-type: none;
    scrollbar-width: none;
}

.u-shots-track.auto::-webkit-scrollbar {
    display: none;
}

.u-shots-item {
    flex: 0 0 auto;
    min-width: 120px;
    scroll-snap-align: start;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #e5e9f2;
    background: #fff;
    box-shadow: 0 4px 14px rgba(23, 43, 92, .07);
    cursor: default; /* 暂不开启点击放大，恢复放大时改回 zoom-in */
    transition: transform .18s, box-shadow .18s, border-color .18s;
}

.u-shots-item:hover {
    border-color: #b9d3ff;
    box-shadow: 0 12px 26px rgba(23, 43, 92, .16);
    transform: translateY(-3px);
}

.u-shots-item .pic {
    position: relative;
    height: 196px;
    background: #f4f7fc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.u-shots-item img {
    display: block;
    height: 100%;
    width: auto;
    max-width: 460px;
    object-fit: contain;
    /* 界面展示图：禁止右键另存 / 拖拽另存 / 长按存图 */
    pointer-events: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
}

.u-shots-nav {
    position: absolute;
    top: calc(50% - 6px);
    transform: translateY(-50%);
    z-index: 3;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: #fff;
    color: #4a5265;
    font-size: 16px;
    box-shadow: 0 4px 14px rgba(23, 43, 92, .18);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.u-shots-nav:hover {
    color: #1660ff;
}

.u-shots-nav.prev {
    left: -10px;
}

.u-shots-nav.next {
    right: -10px;
}

/* 鐏 & 瑙嗛寮圭獥 */
.u-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(12, 18, 32, .9);
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.u-lightbox.show {
    display: flex;
}

.u-lightbox>img {
    max-width: 92%;
    max-height: 84vh;
    border-radius: 6px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.u-lb-close {
    position: absolute;
    top: 18px;
    right: 22px;
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, .14);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.u-lb-close:hover {
    background: rgba(255, 255, 255, .26);
}

.u-lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, .14);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.u-lb-nav:hover {
    background: rgba(255, 255, 255, .26);
}

.u-lb-nav.prev {
    left: 20px;
}

.u-lb-nav.next {
    right: 20px;
}

.u-lb-page {
    margin-top: 14px;
    color: rgba(255, 255, 255, .75);
    font-size: 13px;
    letter-spacing: 1px;
}

.u-video-card {
    position: relative;
    max-width: 720px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    background: #0d1526;
    box-shadow: 0 10px 30px rgba(23, 43, 92, .18);
}

.u-video-card .poster {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    display: block;
    transition: transform .25s;
}

.u-video-card .poster.ph {
    /* 浅灰淡纹占位图：不用产品封面，避免多卡重复显得杂乱 */
    background: url(../image/uone-video-ph.svg) repeat center / 120px auto, #f3f5f8;
}

.u-video-card:hover .poster {
    transform: scale(1.03);
}

.u-video-card .play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: #5a6472;
    color: #fff;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 12px rgba(90, 100, 114, .18);
    transition: all .2s;
}

.u-video-card:hover .play {
    background: #454e5a;
    box-shadow: 0 0 0 18px rgba(90, 100, 114, .24);
}

/* 演示视频：4 个一行居左，标题显示在卡片下方 */
.u-video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.u-video-item {
    min-width: 0;
}

.u-video-item .u-video-card {
    max-width: none;
    /* 封面加灰色边线，浅色底衬托淡纹 */
    background: #fbfcfe;
    border: 1px solid #e2e7ef;
    box-shadow: none;
    transition: border-color .2s, box-shadow .2s;
}

.u-video-item .u-video-card:hover {
    border-color: #cbd4e2;
    box-shadow: 0 6px 18px rgba(90, 100, 114, .12);
}

.u-video-item .u-video-card .poster.ph {
    aspect-ratio: 16/9;
    width: 100%;
}

.u-video-item .u-video-name {
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.u-video-item:hover .u-video-name {
    color: #454e5a;
}

.u-video-item .play {
    transform: translate(-50%, -50%) scale(.62);
}

.u-video-item .u-video-card:hover .play {
    transform: translate(-50%, -50%) scale(.72);
}

@media (max-width: 1024px) {
    .u-video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .u-video-grid {
        grid-template-columns: 1fr;
    }
}

.u-video-box {
    width: min(920px, 90vw);
    aspect-ratio: 16/9;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 24px 70px rgba(0, 0, 0, .5);
}

.u-video-box iframe,
.u-video-box video {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* 鍜ㄨ寮曞 */
.u-pd-cta {
    text-align: center;
    background: linear-gradient(135deg, #eef4ff, #f6f9fe);
    border: 1px solid #dbe7fb;
    border-radius: 14px;
    padding: 34px 20px 30px;
}

.u-pd-cta .t {
    font-size: 18px;
    font-weight: 700;
    color: #1f2430;
}

.u-pd-cta .d {
    margin-top: 8px;
    font-size: 13.5px;
    color: #6b7280;
}

.u-pd-cta .btns {
    margin-top: 18px;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.u-pd-cta .btn {
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 28px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
}

.u-pd-cta .btn.primary {
    background: var(--u-primary, #1660FF);
    color: #fff;
    box-shadow: 0 6px 16px rgba(22, 96, 255, .3);
}

.u-pd-cta .btn.ghost {
    border: 1px solid #c3d3f8;
    color: #1660ff;
    background: #fff;
}

/* 浜у搧椤靛搷搴斿紡 */
@media (max-width: 1200px) {
    .u-prod-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1100px) {
    .u-prod-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .u-pd-head {
        flex-direction: column;
    }

    /* 手机端封面改为正方形：宽度撑满卡片，高度按 1:1 计算（原来继承桌面 height:200px，会显示成扁横图） */
    .u-pd-cover {
        flex: none;
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
    }

    /* 产品列表页头部：面包屑与类型切换改为上下两行
       （原来 grid 三列 1fr auto 1fr，手机上类型切换字号 20px + 间距 53px 已占满整行，
        面包屑的 1fr 列被挤到十几像素，导致「首/页/…」逐字竖排） */
    .u-crumb-tabs-row {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }

    .u-crumb-tabs-row .u-crumb {
        width: 100%;
        justify-self: auto;
        margin: 0;
        font-size: 13px;
        line-height: 1.6;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .u-crumb-tabs-row .u-crumb .sep {
        margin: 0 4px;
    }

    .u-crumb-tabs-row .u-prod-tabs {
        justify-self: auto;
        gap: 26px;
        margin-bottom: 0;
    }

    .u-crumb-tabs-row .u-prod-tabs a {
        font-size: 16px;
        padding: 6px 2px;
    }

    .u-prod-tabs a.active::after {
        width: 30px;
        height: 3px;
    }

    /* 分类胶囊：收紧间距与字号，避免换行后过于松散 */
    .u-prod-cats {
        gap: 8px;
        padding: 10px;
        margin-bottom: 20px;
        border-radius: 10px;
    }

    .u-prod-cats a {
        padding: 5px 12px;
        font-size: 13px;
    }

    .u-prod-cats-sub {
        margin-top: -10px;
    }

    .u-prod-cats-sub a {
        font-size: 12.5px;
        padding: 4px 10px;
    }

    .u-prod-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .u-pd-rel-list {
        grid-template-columns: 1fr;
    }

    /* 界面展示：手机端卡片定高、宽度随图比例，手指滑动切换，隐藏左右箭头 */
    .u-shots-item {
        min-width: 92px;
    }

    .u-shots-item .pic {
        height: 176px;
    }

    .u-shots-nav {
        display: none;
    }
}


/* 头部简介区：浅色背景带 */
.u-pd-band {
    background:
        radial-gradient(620px 220px at 88% -50px, rgba(22, 96, 255, .09), transparent 70%),
        radial-gradient(420px 180px at 6% 110%, rgba(77, 141, 255, .06), transparent 70%),
        linear-gradient(180deg, #ecf3ff 0%, #f6faff 72%, #fbfcff 100%);
    border-bottom: 1px solid #e0eafa;
}

.u-pd-band .u-crumb {
    padding: 18px 0 14px;
}

.u-pd-band>.u-container:last-child {
    padding-bottom: 26px;
}

/* 侧栏组件：相关问答 / 案例与经验 */
.u-pd-w {
    background: #fff;
    border: 1px solid #edf0f5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(23, 43, 92, .03);
}

.u-pd-w .w-tt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 16px;
    border-bottom: 1px solid #f0f3f9;
}

.u-pd-w .w-tt .t {
    position: relative;
    padding-left: 11px;
    font-size: 14.5px;
    font-weight: 700;
    color: #1f2430;
}

.u-pd-w .w-tt .t::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 15px;
    border-radius: 2px;
    background: #1660ff;
}

.u-pd-w .w-tt .more {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 12px;
    font-weight: 400;
    color: #98a1b3;
    text-decoration: none;
}

.u-pd-w .w-tt .more:hover {
    color: #1660ff;
}

.u-pd-w .w-tt .more .iconfont {
    font-size: 11px;
}

.u-pd-w .w-item {
    display: block;
    padding: 11px 16px;
    border-bottom: 1px dashed #eef1f7;
    text-decoration: none;
    transition: background .15s;
}

.u-pd-w .w-item:last-child {
    border-bottom: none;
}

.u-pd-w .w-item:hover {
    background: #f8fbff;
}

.u-pd-w .w-item .t {
    font-size: 13.5px;
    color: #3f4654;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.u-pd-w .w-item .m {
    margin-top: 7px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.u-pd-w .st {
    font-size: 11px;
    line-height: 1.5;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}

.u-pd-w .st.pending {
    background: #fff3e3;
    color: #ff8f1f;
}

.u-pd-w .st.discussing {
    background: #e8f1ff;
    color: #1660ff;
}

.u-pd-w .st.solved {
    background: #e9f9f0;
    color: #16a34a;
}

.u-pd-w .w-item .n {
    font-size: 11.5px;
    color: #a3abbe;
}

/* 侧栏热门产品：两列宫格，正方形主图 + 两行标题 */
.u-hot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 12px;
    align-items: start;
}

.u-hot-item {
    display: block;
    text-decoration: none;
    min-width: 0;
}

.u-hot-item .pic {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 100%; /* 兼容写法：强制正方形，不依赖 aspect-ratio */
    border-radius: 8px;
    overflow: hidden;
    background: #f4f7fd;
    border: 1px solid #eef2f9;
    box-sizing: border-box;
}

/* 占位图标常驻底层，图片加载失败被移除后自动显示 */
.u-hot-item .pic .ph {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c8d3e6;
    font-size: 24px;
}

.u-hot-item .pic img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform .3s;
}

.u-hot-item:hover .pic img {
    transform: scale(1.04);
}

.u-hot-item .t {
    margin-top: 8px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    color: #444;
    height: 3em; /* 固定两行高度，保证两列上下对齐 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.u-hot-item:hover .t {
    color: #1660ff;
}

/* 在线演示浮层（产品详情页）：按钮下方下拉卡片，参考 modstart 官网，无遮罩不阻塞页面 */
.u-trial-wrap {
    position: relative;
    display: inline-flex;
}

.u-trial-btn .u-trial-caret {
    margin-left: 6px;
    font-size: 12px;
    transition: transform .2s;
}

.u-trial-btn.open .u-trial-caret {
    transform: rotate(180deg);
}

.u-trial-pop {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    z-index: 300;
    min-width: 300px;
    padding: 10px;
    background: #fff;
    border: 1px solid #eef2f9;
    border-radius: 12px;
    box-shadow: 0 14px 44px rgba(20, 40, 90, .16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .18s, transform .18s, visibility .18s;
}

.u-trial-pop.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.u-trial-pop-item {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    transition: background .15s;
}

.u-trial-pop-item:hover {
    background: #f4f7ff;
}

.u-trial-pop-item .n {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #1f2d3d;
}

.u-trial-pop-item:hover .n {
    color: #1660ff;
}

.u-trial-pop-item .u {
    display: block;
    margin-top: 4px;
    font-size: 13px;
    color: #8a94a6;
    word-break: break-all;
}

@media (max-width: 760px) {
    .u-trial-pop {
        min-width: 0;
        width: min(320px, 78vw);
    }
}

/* 侧栏咨询卡 */
.u-pd-side-cta {
    background: linear-gradient(150deg, #1660ff, #4d8dff);
    border-radius: 12px;
    padding: 18px 16px;
    color: #fff;
    box-shadow: 0 8px 22px rgba(22, 96, 255, .28);
}

.u-pd-side-cta .t {
    font-size: 15px;
    font-weight: 700;
}

.u-pd-side-cta .d {
    margin-top: 7px;
    font-size: 12.5px;
    line-height: 1.65;
    color: rgba(255, 255, 255, .85);
}

.u-pd-side-cta .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 13px;
    height: 36px;
    border-radius: 8px;
    background: #fff;
    color: #1660ff;
    font-size: 13.5px;
    font-weight: 600;
    text-decoration: none;
    transition: filter .15s;
}

.u-pd-side-cta .btn:hover {
    filter: brightness(.96);
}

/* 产品详情页响应式（侧栏堆叠） */
@media (max-width: 1020px) {
    .u-pd-main {
        grid-template-columns: 1fr;
    }

    .u-pd-side {
        position: static;
    }
}

/* ==========================================================================
   案例与经验 · 详情页（/cases/{id}）
   ========================================================================== */
.u-cd-pn {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.u-cd-pn-item {
    background: #fff;
    border: 1px solid #edf0f5;
    border-radius: 12px;
    padding: 14px 16px;
    box-shadow: 0 2px 10px rgba(23, 43, 92, .03);
    min-width: 0;
}

.u-cd-pn-item .lb {
    margin-bottom: 7px;
    font-size: 12px;
    color: #a3abbe;
}

.u-cd-pn-item a {
    display: block;
    font-size: 14px;
    color: #3f4654;
    line-height: 1.55;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color .15s;
}

.u-cd-pn-item a:hover {
    color: #1660ff;
}

.u-cd-pn-item .none {
    display: block;
    font-size: 13px;
    color: #c3c9d6;
}

.u-cd-pn-item.right {
    text-align: right;
}

@media (max-width: 1020px) {
    .u-cd-pn {
        grid-template-columns: 1fr;
    }
}

/* 详情页侧栏卡片内嵌热门列表（沿用案例列表页侧栏排名样式） */
.u-side-hot {
    padding: 2px 16px 10px;
}

.u-side-hot .u-hot li {
    padding: 10px 0;
}

.u-side-hot .u-hot .txt {
    font-size: 13.5px;
    line-height: 1.55;
}

/* 详情页侧栏「最新产品」：正方形封面，一行两个 */
.u-side-prod {
    padding: 12px 16px 14px;
}

.u-side-prod ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.u-side-prod .p {
    display: block;
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    min-height: 100px;
    border: 1px solid #eef1f7;
    border-radius: 10px;
    overflow: hidden;
    background: #f2f5fb;
}

.u-side-prod .p img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .25s ease;
}

.u-side-prod .p:hover img {
    transform: scale(1.06);
}

.u-side-prod .p .ph {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #eaf0fb, #f7f9fd);
    color: #9aa6c2;
    font-size: 26px;
}

/* ===== 列表页：左侧分类树 + 右侧内容 ===== */
.u-list-layout {
    display: flex;
    align-items: flex-start;
    gap: 26px;
}

.u-list-side {
    flex: 0 0 236px;
    width: 236px;
    position: sticky;
    top: 16px;
}

.u-list-main {
    flex: 1 1 auto;
    min-width: 0;
}

.u-side-box {
    background: #fff;
    border: 1px solid #eef0f4;
    border-radius: 10px;
    padding: 14px 12px;
}

.u-side-title {
    font-size: 15px;
    font-weight: 600;
    color: #323232;
    padding: 0 6px 10px;
    border-bottom: 1px solid #f1f2f5;
    margin-bottom: 8px;
}

.u-cat-tree,
.u-cat-tree ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.u-cat-tree li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 10px;
    border-radius: 6px;
    color: #686767;
    font-size: 14px;
    line-height: 1.4;
    text-decoration: none;
    transition: background .18s, color .18s;
}

.u-cat-tree li a:hover {
    background: #f6f7f9;
    color: #1660ff;
}

.u-cat-tree li a.on {
    background: #323232;
    color: #fff;
    font-weight: 600;
}

.u-cat-tree > li > a.top {
    font-weight: 600;
    color: #323232;
    margin-top: 2px;
}

.u-cat-tree > li > ul {
    padding-left: 10px;
    margin: 2px 0 6px;
}

.u-cat-tree > li > ul > li > a {
    font-size: 13px;
    padding: 5px 10px;
}

.u-cat-tree .cnt {
    font-size: 12px;
    font-weight: 400;
    color: #a0a0a0;
    margin-left: 8px;
}

.u-cat-tree li a.on .cnt {
    color: rgba(255, 255, 255, .75);
}

@media (max-width: 900px) {
    .u-list-layout {
        display: block;
    }

    .u-list-side {
        width: auto;
        position: static;
        margin-bottom: 18px;
    }
}

/* ==========================================================================
   留言咨询（/message）
   ========================================================================== */
.u-msg-wrap {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    align-items: start;
    margin-top: 20px;
}

.u-msg-main {
    background: #fff;
    border: 1px solid #e8eefb;
    border-radius: 14px;
    padding: 26px 28px 24px;
    box-shadow: 0 4px 18px rgba(23, 43, 92, .05);
}

.u-msg-denied {
    padding: 46px 0;
    text-align: center;
    color: #8a94a6;
    font-size: 14px;
}

.u-msg-denied .iconfont {
    font-size: 28px;
    color: #faad14;
    display: block;
    margin-bottom: 10px;
}

/* 短字段两列排布：称呼 + 电话微信、行业 + 需求类型 */
.u-msg-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 20px;
    /* 网格本身需要与下一行（可见范围）留出间距，行内 item 的 margin 已置 0 */
    margin-bottom: 18px;
}

.u-msg-grid .u-msg-item {
    margin-bottom: 0;
}

.u-msg-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
}

.u-msg-label {
    flex: 0 0 84px;
    width: 84px;
    text-align: right;
    padding-top: 11px;
    font-size: 14px;
    font-weight: 600;
    color: #1f2430;
    line-height: 1.4;
    margin-bottom: 0;
}

.u-msg-field {
    flex: 1 1 auto;
    min-width: 0;
}

.u-msg-label i {
    font-style: normal;
    color: #f53f3f;
    margin-right: 3px;
}

.u-msg-input {
    width: 100%;
    /* 统一单行控件高度：输入框 / 下拉框 / 验证码按钮均为 44px */
    height: 44px;
    box-sizing: border-box;
    border: 1px solid #d8e0f0;
    border-radius: 10px;
    background: #fbfcff;
    padding: 0 14px;
    font-size: 14px;
    font-family: inherit;
    line-height: 42px;
    color: #1f2430;
    outline: none;
    transition: border-color .18s, box-shadow .18s, background .18s;
}

.u-msg-input::placeholder {
    color: #a8b1c4;
}

.u-msg-input:focus {
    border-color: #4d8dff;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(77, 141, 255, .12);
}

textarea.u-msg-input {
    height: auto;
    padding: 11px 14px;
    line-height: 1.7;
    resize: vertical;
    min-height: 96px;
}

select.u-msg-input {
    appearance: none;
    -webkit-appearance: none;
    height: 44px;
    padding: 0 34px 0 14px;
    line-height: 42px;
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238a93b8' stroke-width='2'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px 8px;
}

.u-msg-tip {
    margin-top: 6px;
    font-size: 12.5px;
    color: #9aa3b2;
}

.u-msg-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding-left: 98px;
}

.u-msg-submit {
    height: 44px;
    padding: 0 34px;
    border: none;
    border-radius: 22px;
    background: linear-gradient(96deg, #2d6cf6, #4d8dff);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(45, 108, 246, .24);
    transition: transform .18s, box-shadow .18s;
}

.u-msg-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(45, 108, 246, .3);
}

.u-msg-note {
    font-size: 12.5px;
    color: #9aa3b2;
}

/* 右侧说明卡 */
.u-msg-side-card {
    background: linear-gradient(180deg, #f4f8ff, #eef4ff);
    border: 1px solid #e2ebfa;
    border-radius: 14px;
    padding: 22px 22px 18px;
}

/* 单页左栏菜单（关于我们 / 联系我们）：白底卡片，参考 ModStart 默认风格 */
.u-side-menu {
    background: #fff;
    border-radius: 12px;
    padding: 10px 10px 12px;
    box-shadow: 0 2px 12px rgba(31, 36, 48, .06);
}

.u-side-menu .t {
    font-size: 14px;
    font-weight: 600;
    color: #9aa3b2;
    padding: 10px 14px 8px;
}

.u-side-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 14px;
    border-radius: 10px;
    font-size: 15px;
    color: #333;
    text-decoration: none;
    transition: background .16s, color .16s;
}

.u-side-menu a .iconfont {
    font-size: 12px;
    color: #c0c6d4;
    transition: color .16s;
}

.u-side-menu a + a {
    margin-top: 2px;
}

.u-side-menu a:hover {
    background: #f5f7fd;
    color: #1660ff;
}

.u-side-menu a:hover .iconfont {
    color: #1660ff;
}

.u-side-menu a.active {
    background: #eef1fe;
    color: #1660ff;
    font-weight: 600;
}

.u-side-menu a.active .iconfont {
    color: #1660ff;
}

/* 移动端：左栏菜单横排在上，保持白底卡片 */
@media (max-width: 991px) {
    .u-side-menu {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 6px;
        padding: 10px;
    }

    .u-side-menu .t {
        width: 100%;
        padding: 4px 6px 0;
    }

    .u-side-menu a {
        flex: 1;
        justify-content: center;
        padding: 10px 12px;
        background: #f7f9fc;
    }

    .u-side-menu a .iconfont {
        display: none;
    }
}

.u-msg-side-card .t {
    font-size: 16px;
    font-weight: 700;
    color: #1f2430;
    margin-bottom: 14px;
}

.u-msg-steps {
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
}

.u-msg-steps li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13.5px;
    color: #4b5566;
    line-height: 1.7;
    margin-bottom: 10px;
}

.u-msg-steps li span {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    margin-top: 3px;
    border-radius: 50%;
    background: #2d6cf6;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.u-msg-side-links {
    border-top: 1px dashed #d6e0f5;
    padding-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.u-msg-side-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13.5px;
    color: #2d6cf6;
    text-decoration: none;
}

.u-msg-side-links a:hover {
    color: #1650d8;
}

.u-msg-side-links .iconfont {
    font-size: 11px;
}

@media (max-width: 900px) {
    .u-msg-wrap {
        grid-template-columns: 1fr;
    }

    .u-msg-grid {
        grid-template-columns: 1fr;
    }

    .u-msg-main {
        padding: 20px 18px;
    }
}

/* ==========================================================================
   免费诊断（/question/create）
   ========================================================================== */
.u-free-tip {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: #eef4ff;
    border: 1px solid #cfe0ff;
    color: #2b5bb7;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 18px;
}

.u-free-tip .iconfont {
    font-size: 15px;
}

.u-free-prefill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #e8f4ff;
    border: 1px solid #91d5ff;
    color: #1a5b8e;
    padding: 8px 14px;
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 13px;
}

.u-free-block {
    margin-bottom: 16px;
}

.u-free-block .bt {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #1f2430;
    margin-bottom: 8px;
}

.u-free-block .bt .iconfont {
    color: #2d6cf6;
    font-size: 14px;
}

.u-free-block ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.u-free-block ul li {
    position: relative;
    padding-left: 14px;
    font-size: 13px;
    color: #5a6280;
    line-height: 1.9;
}

.u-free-block ul li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 11px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #a9bde8;
}

.u-free-block .u-msg-steps {
    margin-bottom: 0;
}

/* 可见范围：带背景框的单选项 */
.u-visible-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.u-visible-opt {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 12px 14px;
    font-size: 14px;
    font-weight: 400;
    border: 1px solid #d8e0f0;
    border-radius: 10px;
    background: #fbfcff;
    cursor: pointer;
    transition: border-color .18s, background .18s, box-shadow .18s;
}

.u-visible-opt:hover {
    border-color: #b7caf2;
    background: #f5f9ff;
}

.u-visible-opt:has(input:checked),
.u-visible-opt.is-checked {
    border-color: #4d8dff;
    background: #eef4ff;
    box-shadow: 0 0 0 3px rgba(77, 141, 255, .1);
}

.u-visible-opt input {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: #2d6cf6;
    cursor: pointer;
}

.u-visible-opt .t {
    font-size: 14px;
    font-weight: 600;
    color: #1f2430;
}

.u-visible-opt:has(input:checked) .t,
.u-visible-opt.is-checked .t {
    color: #2d6cf6;
}

.u-visible-opt .d {
    font-size: 12px;
    color: #9aa3b2;
}

/* 手机号 + 验证码（窄版，位于提交按钮上方） */
.u-verify-block {
    margin-bottom: 16px;
}

.u-verify-row {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 420px;
}

.u-verify-row .u-msg-input {
    min-width: 0;
}

.u-verify-row input[name="phone"] {
    flex: 0 0 170px;
    width: 170px;
}

.u-verify-row input[name="verifyCode"] {
    flex: 0 0 100px;
    width: 100px;
}

.u-verify-btn {
    flex: 0 0 auto;
    height: 44px;
    padding: 0 16px;
    border: 1px solid #2d6cf6;
    border-radius: 10px;
    background: #fff;
    color: #2d6cf6;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background .18s, color .18s;
}

.u-verify-btn:hover:not(:disabled) {
    background: #2d6cf6;
    color: #fff;
}

.u-verify-btn:disabled {
    border-color: #c9d8f5;
    color: #a8b1c4;
    cursor: not-allowed;
}

@media (max-width: 600px) {
    .u-msg-item {
        display: block;
    }

    .u-msg-label {
        width: auto;
        text-align: left;
        padding-top: 0;
        margin-bottom: 8px;
    }

    .u-msg-actions {
        padding-left: 0;
    }

    .u-verify-row {
        flex-wrap: wrap;
        max-width: none;
    }

    .u-verify-row input[name="phone"],
    .u-verify-row input[name="verifyCode"] {
        flex: 1 1 140px;
        width: auto;
    }
}

/* ── 产品详情页「问答交流」列表 ── */
.u-pd-qa { margin-top: 4px; }
.u-pd-qa-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 4px;
    border-bottom: 1px dashed #e8ecf2;
    color: #3f4654;
    text-decoration: none;
    transition: background .15s;
}
.u-pd-qa-item:last-child { border-bottom: none; }
.u-pd-qa-item:hover .t { color: #1f6feb; }
.u-pd-qa-item .t {
    flex: 1;
    min-width: 0;
    font-size: 14.5px;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.u-pd-qa-item .m {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    font-size: 12.5px;
    color: #8a93a5;
}
.u-pd-qa-item .m .st {
    padding: 1px 8px;
    border-radius: 4px;
    font-size: 12px;
}
.u-pd-qa-item .m .st.pending { background: #fff3e0; color: #e08600; }
.u-pd-qa-item .m .st.discussing { background: #e6f0ff; color: #1f6feb; }
.u-pd-qa-item .m .st.solved { background: #e6f7ec; color: #1ea55c; }
.u-pd-qa-item .m .iconfont { font-size: 12px; color: #c2c9d6; }
@media (max-width: 768px) {
    .u-pd-qa-item .m { display: none; }
}

/* ── 问答交流列表：圆点 + 标题加粗 ── */
.u-pd-qa-item .t {
    
    color: #333a47;
}
.u-pd-qa-item .t::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1f6feb;
    margin-right: 9px;
    vertical-align: 2px;
    flex-shrink: 0;
}