/* =====================================================================
   bbx8 卡14-B · wkt 主题全局样式（微课堂官网风格骨架，自研实现 R1）
   配色基准：底 #F5F7F9 / 正文 #171920 / 强调红 #F54030 / 主蓝 #2A7CF0
   命名空间：wkt-（不污染 default 主题）；不引用外部 CDN（R9）
   ===================================================================== */
:root {
    --wkt-bg: #F5F7F9;
    --wkt-text: #171920;
    --wkt-text-2: #6B7280;
    --wkt-red: #F54030;
    --wkt-blue: #2A7CF0;
    --wkt-blue-dark: #1B62CC;
    --wkt-border: #E8ECF0;
    --wkt-card: #FFFFFF;
    --wkt-radius: 8px;
    --wkt-shadow: 0 2px 12px rgba(23, 25, 32, .06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--wkt-bg); color: var(--wkt-text); font: 14px/1.6 "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; min-width: 1200px; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--wkt-blue); }
ul, ol, li { list-style: none; }
img { display: block; max-width: 100%; border: 0; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; outline: none; }
.wkt-container { width: 1200px; margin: 0 auto; }
.wkt-main { display: flex; gap: 16px; align-items: flex-start; margin-top: 16px; padding-bottom: 40px; }
.wkt-content { flex: 1; min-width: 0; }
.wkt-aside { width: 260px; flex-shrink: 0; }

/* ============ 按钮 / 表单 ============ */
.wkt-btn { display: inline-block; padding: 0 18px; height: 36px; line-height: 34px; border-radius: 18px; border: 1px solid var(--wkt-blue); font-size: 14px; text-align: center; transition: all .2s; background: #fff; color: var(--wkt-blue); }
.wkt-btn:hover { color: var(--wkt-blue-dark); border-color: var(--wkt-blue-dark); }
.wkt-btn-primary { background: var(--wkt-blue); color: #fff; }
.wkt-btn-primary:hover { background: var(--wkt-blue-dark); color: #fff; }
.wkt-btn-plain { background: #fff; }
.wkt-btn-lg { height: 44px; line-height: 42px; padding: 0 34px; font-size: 16px; border-radius: 22px; }
.wkt-btn-block { display: block; width: 100%; border-radius: 6px; }
.wkt-btn-code { border-radius: 4px; height: 34px; line-height: 32px; padding: 0 10px; white-space: nowrap; }
.wkt-inp { width: 100%; height: 44px; border: 1px solid var(--wkt-border); border-radius: 6px; padding: 0 14px; font-size: 14px; background: #fff; }
.wkt-inp:focus { border-color: var(--wkt-blue); }

/* ============ 顶部导航 ============ */
.wkt-header { background: #fff; box-shadow: 0 1px 0 var(--wkt-border); position: relative; z-index: 100; }
.wkt-header-in { width: 1200px; margin: 0 auto; height: 72px; display: flex; align-items: center; gap: 24px; }
.wkt-logo { display: flex; align-items: center; gap: 10px; }
.wkt-logo img { width: 44px; height: 44px; object-fit: contain; border-radius: 8px; }
.wkt-logo-name { font-size: 20px; font-weight: 700; color: var(--wkt-text); white-space: nowrap; max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
.wkt-nav { display: flex; gap: 8px; }
.wkt-nav > li > a { display: block; padding: 0 16px; line-height: 72px; font-size: 16px; font-weight: 500; }
.wkt-nav > li > a:hover { color: var(--wkt-blue); }
.wkt-nav-drop { position: relative; }
.wkt-nav-drop > a .icon { font-size: 12px; margin-left: 2px; }
.wkt-nav-sub { display: none; position: absolute; top: 72px; left: 0; min-width: 176px; background: #fff; border-radius: 0 0 var(--wkt-radius) var(--wkt-radius); box-shadow: var(--wkt-shadow); padding: 8px 0; max-height: 420px; overflow: auto; }
.wkt-nav-sub-r { left: auto; right: 0; }
.wkt-nav-sub li a { display: block; padding: 9px 20px; white-space: nowrap; }
.wkt-nav-sub li a:hover { background: #F2F7FF; color: var(--wkt-blue); }
.wkt-nav-drop:hover .wkt-nav-sub { display: block; }
.wkt-search { flex: 1; max-width: 300px; margin-left: auto; display: flex; }
.wkt-search-inp { flex: 1; height: 38px; border: 2px solid var(--wkt-blue); border-right: 0; border-radius: 19px 0 0 19px; padding: 0 16px; }
.wkt-search-btn { width: 56px; height: 38px; border: 0; background: var(--wkt-blue); color: #fff; border-radius: 0 19px 19px 0; font-size: 16px; }
.wkt-userbox { display: flex; align-items: center; gap: 10px; }
.wkt-user { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 19px; border: 1px solid var(--wkt-border); }
.wkt-user-avatar { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.wkt-user-name { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============ 首屏：分类侧栏 + 轮播 ============ */
.wkt-hero { background: linear-gradient(135deg, #2A7CF0 0%, #3D93FF 60%, #59A7FF 100%); padding: 0; }
.wkt-hero-in { display: flex; align-items: flex-start; gap: 0; min-height: 420px; }
.wkt-hero .wkt-sidebar { position: relative; left: auto; top: auto; }
.wkt-slide { flex: 1; position: relative; height: 420px; overflow: hidden; }
.wkt-slide-bd, .wkt-slide-item { width: 100%; height: 100%; }
.wkt-slide-item { position: absolute; left: 0; top: 0; opacity: 0; transition: opacity .6s; }
.wkt-slide-item.on { opacity: 1; }
.wkt-slide-item img { width: 100%; height: 100%; object-fit: cover; }
.wkt-slide-hd { position: absolute; right: 24px; bottom: 18px; display: flex; gap: 8px; z-index: 5; }
.wkt-slide-hd i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; }
.wkt-slide-hd i.on { background: #fff; }

/* 左侧悬浮分类（页内悬浮/首页内嵌两用） */
.wkt-sidebar { width: 240px; flex-shrink: 0; background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); overflow: hidden; }
.wkt-sidebar-hd { height: 46px; line-height: 46px; padding: 0 18px; background: var(--wkt-blue); color: #fff; font-size: 15px; font-weight: 500; }
.wkt-sidebar-bd { max-height: 374px; overflow: auto; }
.wkt-cate { position: relative; border-bottom: 1px solid #F2F4F7; }
.wkt-cate:last-child { border-bottom: 0; }
.wkt-cate-name { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; font-size: 15px; font-weight: 500; }
.wkt-cate-name .icon { color: #C0C6CE; font-size: 12px; }
.wkt-cate-sub { display: none; position: absolute; left: 100%; top: 0; width: 420px; background: #fff; border-radius: 0 var(--wkt-radius) var(--wkt-radius) 0; box-shadow: var(--wkt-shadow); padding: 14px 18px; z-index: 60; flex-wrap: wrap; gap: 6px 22px; }
.wkt-cate-sub a { color: var(--wkt-text-2); padding: 4px 0; }
.wkt-cate:hover .wkt-cate-sub { display: flex; }
.wkt-cate:hover .wkt-cate-name { color: var(--wkt-blue); background: #F2F7FF; }

/* ============ 通用面板 / 卡片网格 ============ */
.wkt-section { margin-top: 28px; }
.wkt-sec-hd { display: flex; align-items: baseline; gap: 18px; margin-bottom: 16px; }
.wkt-sec-hd h3 { font-size: 22px; font-weight: 700; position: relative; padding-left: 14px; }
.wkt-sec-hd h3:before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 5px; border-radius: 3px; background: var(--wkt-blue); }
.wkt-sec-sorts { display: flex; gap: 4px; flex: 1; overflow: hidden; }
.wkt-sec-sorts a { padding: 3px 10px; border-radius: 14px; color: var(--wkt-text-2); }
.wkt-sec-sorts a:hover { background: #F2F7FF; color: var(--wkt-blue); }
.wkt-sec-more { color: var(--wkt-text-2); white-space: nowrap; }
.wkt-sec-more .icon { font-size: 12px; }
.wkt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.wkt-grid-3 { grid-template-columns: repeat(3, 1fr); }
.wkt-card { background: var(--wkt-card); border-radius: var(--wkt-radius); overflow: hidden; box-shadow: var(--wkt-shadow); transition: transform .2s, box-shadow .2s; }
.wkt-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(23,25,32,.1); }
.wkt-card-link { display: block; }
.wkt-card-img { position: relative; padding-top: 62%; overflow: hidden; background: #EDF1F5; }
.wkt-card-img img { position: absolute; left: 0; top: 0; width: 100%; height: 100%; object-fit: cover; }
.wkt-card-badge { position: absolute; left: 10px; top: 10px; padding: 2px 10px; border-radius: 12px; background: rgba(42,124,240,.92); color: #fff; font-size: 12px; }
.wkt-card-body { padding: 12px 14px 14px; }
.wkt-card-title { font-size: 15px; font-weight: 500; line-height: 1.45; height: 44px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.wkt-card-tags { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.wkt-tag { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; font-style: normal; }
.wkt-tag-red { color: var(--wkt-red); background: #FEECEB; }
.wkt-tag-gold { color: #B27B0B; background: #FBF3DF; }
.wkt-tag-vip { color: #8A5CF6; background: #F1EAFE; }
.wkt-card-foot { margin-top: 10px; display: flex; justify-content: space-between; align-items: center; }
.wkt-price { color: var(--wkt-red); font-weight: 700; }
.wkt-price em { font-style: normal; font-size: 18px; }
.wkt-price em.free { font-size: 15px; }
.wkt-price del { color: #A6ADB8; font-size: 12px; font-weight: 400; margin-left: 6px; }
.wkt-sales { color: #98A0AB; font-size: 12px; }

/* ============ 面包屑 / 页头 / 面板 ============ */
.wkt-crumbs { margin-top: 16px; color: var(--wkt-text-2); }
.wkt-crumbs a { color: var(--wkt-text-2); }
.wkt-subhd { background: var(--wkt-blue); color: #fff; margin-top: 0; }
.wkt-subhd .wkt-container { height: 52px; line-height: 52px; font-size: 16px; font-weight: 500; }
.wkt-panel { background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); margin-bottom: 16px; }
.wkt-panel-hd { padding: 14px 18px; font-size: 16px; font-weight: 600; border-bottom: 1px solid #F2F4F7; }
.wkt-panel-sub { font-size: 12px; color: var(--wkt-text-2); font-weight: 400; margin-left: 10px; }
.wkt-panel-bd { padding: 16px 18px; }
.wkt-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.wkt-filter a { padding: 5px 14px; border-radius: 6px; color: var(--wkt-text-2); }
.wkt-filter a:hover { background: #F2F7FF; color: var(--wkt-blue); }
.wkt-filter a.on { background: var(--wkt-blue); color: #fff; }
.wkt-search-sm { display: flex; gap: 8px; }
.wkt-search-sm .wkt-inp { height: 36px; }
.wkt-quick { display: flex; flex-direction: column; gap: 10px; }
.wkt-nodata { text-align: center; padding: 70px 0; color: var(--wkt-text-2); }
.wkt-nodata .icon { font-size: 46px; color: #D6DCE3; }
.wkt-nodata a { color: var(--wkt-blue); }
.wkt-link { color: var(--wkt-blue); }
.wkt-pages { padding: 20px 0 6px; text-align: center; }
.wkt-pages a, .wkt-pages span { display: inline-block; min-width: 34px; height: 34px; line-height: 32px; padding: 0 8px; margin: 0 3px; border: 1px solid var(--wkt-border); border-radius: 4px; background: #fff; color: var(--wkt-text-2); }
.wkt-pages .active, .wkt-pages span.current { background: var(--wkt-blue); border-color: var(--wkt-blue); color: #fff; }
.wkt-rich { color: var(--wkt-text); }

/* ============ 详情页 ============ */
.wkt-info-wrap { flex-direction: row; }
.wkt-info { display: flex; gap: 20px; background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); padding: 20px; margin-bottom: 16px; width: 100%; }
.wkt-info-media { width: 300px; flex-shrink: 0; border-radius: var(--wkt-radius); overflow: hidden; background: #EDF1F5; }
.wkt-info-media img { width: 100%; height: 200px; object-fit: cover; }
.wkt-info-title { font-size: 22px; font-weight: 700; line-height: 1.4; }
.wkt-info-meta { margin-top: 10px; color: var(--wkt-text-2); display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.wkt-info-price { margin: 16px 0; }
.wkt-info-price em { font-style: normal; font-size: 28px; color: var(--wkt-red); font-weight: 700; }
.wkt-info-price em.free { font-size: 22px; }
.wkt-info-price del { color: #A6ADB8; margin-left: 8px; }
.wkt-info-tip { margin-top: 10px; font-size: 12px; color: var(--wkt-text-2); }
.wkt-info-act .wkt-btn-lg { border-radius: 6px; }

/* ============ 三端联动件 ============ */
.wkt-linkage { background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); padding: 16px; margin-bottom: 16px; text-align: center; }
.wkt-linkage-hd { font-weight: 600; margin-bottom: 12px; }
.wkt-linkage-item img { width: 150px; height: 150px; object-fit: contain; margin: 0 auto; }
.wkt-linkage-item p { color: var(--wkt-text-2); font-size: 12px; margin-top: 8px; line-height: 1.5; }
.wkt-linkage-h5 { display: block; margin-top: 12px; padding: 8px 0; border: 1px dashed var(--wkt-blue); border-radius: 6px; color: var(--wkt-blue); }
.wkt-linkage-tel { margin-top: 10px; font-size: 12px; color: var(--wkt-text-2); }

/* ============ 答题页 ============ */
.wkt-examhd { background: #fff; box-shadow: 0 1px 0 var(--wkt-border); position: sticky; top: 0; z-index: 90; }
.wkt-examhd-in { display: flex; align-items: center; gap: 18px; height: 60px; }
.wkt-examhd-title { font-size: 17px; font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wkt-examhd-meta { display: flex; gap: 14px; color: var(--wkt-text-2); align-items: center; }
.wkt-exam-timer { color: var(--wkt-red); font-weight: 700; font-size: 16px; }
.wkt-exam-wrap { margin-top: 16px; }
.wkt-question { background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); padding: 18px; margin-bottom: 14px; }
.wkt-q-title { font-size: 15px; font-weight: 500; line-height: 1.6; }
.wkt-q-no { color: var(--wkt-blue); font-weight: 700; }
.wkt-q-type { display: inline-block; padding: 0 8px; background: #EDF4FF; color: var(--wkt-blue); border-radius: 4px; font-size: 12px; margin: 0 4px; }
.wkt-q-mark { display: inline-block; width: 20px; height: 20px; line-height: 20px; text-align: center; border-radius: 50%; color: #fff; font-size: 12px; margin-right: 4px; background: #C0C6CE; }
.wkt-review.is-ok .wkt-q-mark { background: #22B07D; }
.wkt-review.is-bad .wkt-q-mark { background: var(--wkt-red); }
.wkt-q-body { margin-top: 12px; display: grid; gap: 10px; }
.wkt-option { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid var(--wkt-border); border-radius: 6px; transition: all .15s; }
.wkt-option:hover { border-color: var(--wkt-blue); background: #F7FAFF; }
.wkt-option input { accent-color: var(--wkt-blue); }
.wkt-option.is-static { border-style: dashed; color: var(--wkt-text-2); }
.wkt-blank { max-width: 420px; }
.wkt-exam-foot { text-align: center; padding: 10px 0 30px; }
.wkt-anssheet { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.wkt-anssheet i { font-style: normal; height: 30px; line-height: 30px; text-align: center; border: 1px solid var(--wkt-border); border-radius: 4px; color: var(--wkt-text-2); cursor: pointer; }
.wkt-anssheet i.done { background: var(--wkt-blue); border-color: var(--wkt-blue); color: #fff; }
.wkt-q-line { margin-top: 8px; color: var(--wkt-text-2); }
.wkt-q-line b.ok { color: #22B07D; }
.wkt-q-line b.bad { color: var(--wkt-red); }
.wkt-q-line b.empty { color: #98A0AB; }
.wkt-q-analysis { background: #F7F9FC; border-left: 3px solid var(--wkt-blue); padding: 8px 12px; border-radius: 0 6px 6px 0; }

/* 成绩卡 */
.wkt-scorecard { background: linear-gradient(135deg, #2A7CF0, #3D93FF); border-radius: var(--wkt-radius); color: #fff; padding: 28px; text-align: center; margin-bottom: 16px; }
.wkt-score-num { font-size: 44px; font-weight: 700; }
.wkt-score-num span { font-size: 20px; opacity: .8; }
.wkt-score-label { opacity: .9; margin-top: 4px; }
.wkt-score-sub { display: flex; justify-content: center; gap: 26px; margin: 18px 0; }
.wkt-score-item { background: rgba(255,255,255,.16); padding: 6px 16px; border-radius: 18px; font-size: 13px; }
.wkt-score-item.ok { background: rgba(34,176,125,.5); }
.wkt-score-item.bad { background: rgba(245,64,48,.55); }
.wkt-score-act { display: flex; justify-content: center; gap: 12px; }
.wkt-score-act .wkt-btn { border-color: #fff; color: #fff; background: transparent; }
.wkt-score-act .wkt-btn:hover { background: rgba(255,255,255,.15); color: #fff; }

/* ============ 表格（记录/排行） ============ */
.wkt-table { width: 100%; border-collapse: collapse; }
.wkt-table th, .wkt-table td { padding: 12px 10px; text-align: left; border-bottom: 1px solid #F2F4F7; font-size: 13px; }
.wkt-table th { color: var(--wkt-text-2); font-weight: 500; background: #FAFBFC; }
.wkt-table tr:hover td { background: #F7FAFF; }
.wkt-td-title { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wkt-td-user { display: flex; align-items: center; gap: 8px; }
.wkt-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.wkt-rank { display: inline-block; width: 24px; height: 24px; line-height: 24px; text-align: center; border-radius: 4px; background: #EDF1F5; color: var(--wkt-text-2); }
.wkt-rank.no1 { background: #FFB800; color: #fff; }
.wkt-rank.no2 { background: #B8C0CC; color: #fff; }
.wkt-rank.no3 { background: #D9925B; color: #fff; }
.wkt-cert-view { text-align: center; }
.wkt-cert-view img { max-width: 640px; margin: 0 auto; border: 1px solid var(--wkt-border); border-radius: 6px; }
.wkt-cert-meta { margin: 14px 0; color: var(--wkt-text-2); }

/* ============ 个人中心左栏 ============ */
.wkt-uc-wrap { align-items: flex-start; }
.wkt-menu { background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); overflow: hidden; }
.wkt-menu-title { background: var(--wkt-blue); padding: 16px 18px; }
.wkt-menu-title a { color: #fff; font-size: 17px; font-weight: 600; display: block; }
.wkt-menu-block { border-bottom: 1px solid #F2F4F7; }
.wkt-menu-block:last-child { border-bottom: 0; }
.wkt-menu-block h3 { padding: 12px 18px 4px; font-size: 14px; color: var(--wkt-text); font-weight: 600; }
.wkt-menu-block ul { padding: 4px 0 10px; }
.wkt-menu-block li a { display: block; padding: 8px 18px 8px 26px; color: var(--wkt-text-2); border-left: 3px solid transparent; }
.wkt-menu-block li a:hover { color: var(--wkt-blue); background: #F7FAFF; border-left-color: var(--wkt-blue); }

/* ============ 右侧悬浮工具条 ============ */
.wkt-floatbar { position: fixed; right: 12px; bottom: 90px; z-index: 120; display: flex; flex-direction: column; gap: 2px; }
.wkt-fb-unit { position: relative; }
.wkt-fb-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 56px; height: 56px; background: var(--wkt-blue); color: #fff; border-radius: 6px; gap: 2px; }
.wkt-fb-btn:hover { background: var(--wkt-blue-dark); color: #fff; }
.wkt-fb-btn .icon { font-size: 18px; }
.wkt-fb-btn span { font-size: 12px; }
.wkt-fb-pop { display: none; position: absolute; right: 66px; top: 0; width: 180px; background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); padding: 12px; text-align: center; }
.wkt-fb-pop img { width: 140px; height: 140px; object-fit: contain; margin: 0 auto; }
.wkt-fb-pop p { font-size: 12px; color: var(--wkt-text-2); margin-top: 6px; }
.wkt-fb-pop h4 { font-size: 14px; }
.wkt-fb-pop-txt p { font-size: 15px; color: var(--wkt-red); font-weight: 700; }
.wkt-fb-unit:hover .wkt-fb-pop { display: block; }

/* ============ 登录页 ============ */
.wkt-login-page { background: linear-gradient(135deg, #2A7CF0 0%, #3D93FF 55%, #59A7FF 100%); min-height: 100vh; }
.wkt-login-wrap { width: 960px; margin: 0 auto; padding: 90px 0 40px; }
.wkt-login-card { background: #fff; border-radius: 12px; box-shadow: 0 12px 40px rgba(13,43,86,.25); padding: 34px 40px; width: 420px; margin-left: auto; }
.wkt-login-tabs { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.wkt-login-tabs ul { display: flex; gap: 22px; }
.wkt-login-tabs li { font-size: 18px; color: var(--wkt-text-2); cursor: pointer; padding-bottom: 6px; }
.wkt-login-tabs li.on { color: var(--wkt-blue); font-weight: 700; border-bottom: 2px solid var(--wkt-blue); }
.wkt-login-swap { color: var(--wkt-blue); font-size: 13px; cursor: pointer; }
.wkt-form-item { margin-bottom: 16px; }
.wkt-form-item-code { display: flex; gap: 10px; }
.wkt-form-item-code .wkt-inp { flex: 1; }
.wkt-form-link { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; color: var(--wkt-text-2); }
.wkt-remember { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--wkt-text-2); }
.wkt-findpwd { font-size: 13px; color: var(--wkt-text-2); }
.wkt-agree { font-size: 12px; color: var(--wkt-text-2); margin-bottom: 14px; }
.wkt-agree a { color: var(--wkt-blue); }
.wkt-qr-box { text-align: center; padding: 6px 0 10px; }
.wkt-qr-box img { margin: 0 auto; border: 1px solid var(--wkt-border); }
.wkt-qr-tips { margin-top: 12px; color: var(--wkt-text-2); }
.wkt-login-slogan { color: #fff; font-size: 26px; font-weight: 700; text-align: left; margin-top: -220px; letter-spacing: 2px; text-shadow: 0 2px 8px rgba(13,43,86,.3); }

/* ============ 底部 ============ */
.wkt-footer { background: #fff; margin-top: 40px; border-top: 1px solid var(--wkt-border); }
.wkt-footer-in { width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; gap: 40px; padding: 30px 0; }
.wkt-footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.wkt-footer-nav a { color: var(--wkt-text-2); }
.wkt-footer-contact { margin-top: 14px; color: var(--wkt-text-2); font-size: 13px; line-height: 1.9; }
.wkt-footer-copy { margin-top: 14px; color: #A6ADB8; font-size: 12px; }
.wkt-footer-qr { display: flex; gap: 24px; }
.wkt-qr-item { text-align: center; }
.wkt-qr-item img { width: 110px; height: 110px; object-fit: contain; border: 1px solid var(--wkt-border); border-radius: 6px; padding: 4px; background: #fff; }
.wkt-qr-item p { font-size: 12px; color: var(--wkt-text-2); margin-top: 6px; }

/* ============ 文章区块 ============ */
.wkt-articles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.wkt-article { background: #fff; border-radius: var(--wkt-radius); box-shadow: var(--wkt-shadow); overflow: hidden; }
.wkt-article > a { display: flex; gap: 14px; padding: 14px; }
.wkt-article-img { width: 168px; height: 104px; flex-shrink: 0; border-radius: 6px; overflow: hidden; background: #EDF1F5; }
.wkt-article-img img { width: 100%; height: 100%; object-fit: cover; }
.wkt-article-txt { flex: 1; min-width: 0; }
.wkt-article-txt h3 { font-size: 15px; font-weight: 600; line-height: 1.45; height: 44px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.wkt-article-desc { margin-top: 6px; color: var(--wkt-text-2); font-size: 13px; height: 40px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.wkt-article-meta { margin-top: 8px; display: flex; justify-content: space-between; color: #A6ADB8; font-size: 12px; }