/* ============================================================
   卡乐售 · yike 模板（PC 端）样式
   首页：顶部工具条 + LOGO/搜索/商品分类 + 主导航 + 轮播与用户面板
        + 商品分类卡（一级胶囊 / 二级标签 / 排序 / 商品网格）+ 特色条 + 页脚
   本模板不依赖 bootstrap，全部样式自带；配色集中在 :root 变量里改
   ============================================================ */

:root {
    --yk-primary: #4e6ef2;
    --yk-primary-2: #6d8bff;
    --yk-primary-soft: #e8eeff;
    --yk-page-bg: #eef1fe;
    --yk-red: #f0413e;
    --yk-dark: #2b3550;
    --yk-footer: #1e2130;
    --yk-text: #333333;
    --yk-text-2: #666666;
    --yk-text-3: #999999;
    --yk-line: #f0f2f7;
    --yk-radius: 14px;
    --yk-shadow: 0 6px 22px rgba(78, 110, 242, .08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    color: var(--yk-text);
    background: linear-gradient(180deg, var(--yk-page-bg) 0, #fbfcff 420px, #f6f7fb 100%);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
li { list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
img { border: 0; display: block; max-width: 100%; }
input, button { font-family: inherit; font-size: inherit; color: inherit; outline: none; }
button { cursor: pointer; }

.yk-wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ============ 顶部工具条 ============ */
.yk-topbar {
    padding: 10px 0 2px;
    font-size: 13px;
    color: #6b7299;
}

.yk-topbar-in {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 0;
}

.yk-topbar a { padding: 0 12px; position: relative; color: #6b7299; }
.yk-topbar a + a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -6px;
    width: 1px;
    height: 12px;
    background: #cfd5ea;
}
.yk-topbar a:hover { color: var(--yk-primary); }
.yk-topbar .yk-hello { padding-right: 12px; color: #8b93b2; }

/* ============ 主头部：LOGO / 主导航 / 搜索框 ============ */
.yk-head { padding: 18px 0 16px; }

.yk-head-in {
    display: flex;
    align-items: center;
    gap: 22px;
}

.yk-logo {
    flex: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 2px;
    line-height: 1;
    color: var(--yk-primary);
    background: linear-gradient(96deg, #3f63f3 0, #7a4bf2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.yk-logo img { height: 40px; width: auto; -webkit-text-fill-color: initial; }

/* 主导航：跟在 LOGO 右侧，占掉 LOGO 与搜索框之间的空间，窄屏可横向滑 */
.yk-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.yk-nav::-webkit-scrollbar { display: none; }

.yk-nav a {
    flex: none;
    padding: 11px 22px;
    border-radius: 8px;
    font-size: 15px;
    color: #3d4457;
    white-space: nowrap;
}
.yk-nav a:hover { color: var(--yk-primary); }
.yk-nav a.on {
    background: var(--yk-primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 8px 18px rgba(78, 110, 242, .28);
}

.yk-search {
    flex: none;
    width: 400px;
    max-width: 40%;
    height: 46px;
    display: flex;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--yk-shadow);
    overflow: hidden;
}

.yk-search input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    padding: 0 16px;
    font-size: 14px;
}
.yk-search input::placeholder { color: #a7aec6; }

.yk-search button {
    flex: none;
    width: 58px;
    border: 0;
    background: var(--yk-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.yk-search button:hover { background: var(--yk-primary-2); }
.yk-search button svg { width: 20px; height: 20px; }

/* ============ 首屏：轮播 + 用户面板 ============ */
.yk-hero {
    display: flex;
    align-items: stretch;
    gap: 20px;
}

.yk-banner {
    position: relative;
    flex: 1;
    min-width: 0;
    height: 350px;
    border-radius: var(--yk-radius);
    overflow: hidden;
    background: #dfe4f5;
    box-shadow: var(--yk-shadow);
}

.yk-banner .swiper-slide { height: 100%; }
.yk-banner .swiper-slide a { display: block; height: 100%; }
.yk-banner img { width: 100%; height: 100%; object-fit: cover; }

/* 轮播没有图片时的占位（后台未上传轮播图） */
.yk-banner-none {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8d97b8;
    font-size: 16px;
    background: linear-gradient(120deg, #e6ebfb, #f4f6fd);
}

.yk-banner .swiper-button-prev,
.yk-banner .swiper-button-next {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(20, 24, 40, .35);
    color: #fff;
}
.yk-banner .swiper-button-prev::after,
.yk-banner .swiper-button-next::after { font-size: 14px; font-weight: 700; }
.yk-banner .swiper-pagination-bullet { background: #fff; opacity: .55; }
.yk-banner .swiper-pagination-bullet-active { opacity: 1; background: #fff; }

/* 右侧用户面板 */
.yk-panel {
    flex: none;
    width: 320px;
    padding: 18px 20px 16px;
    border-radius: var(--yk-radius);
    background: #fff;
    box-shadow: var(--yk-shadow);
    display: flex;
    flex-direction: column;
}

.yk-avatar {
    width: 56px;
    height: 56px;
    margin: 0 auto;
    border-radius: 50%;
    background: #f1f3f9;
    color: #c3c9d9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.yk-avatar svg { width: 36px; height: 36px; }
.yk-avatar img { width: 100%; height: 100%; object-fit: cover; }

.yk-hi {
    margin: 10px 0 16px;
    text-align: center;
    font-size: 14px;
    color: #8a93a6;
}
.yk-hi b { color: var(--yk-primary); font-weight: 600; }

.yk-stats { display: flex; }
.yk-stat { flex: 1; text-align: center; min-width: 0; }
.yk-stat a { display: block; }
.yk-stat b {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--yk-primary);
    line-height: 1.2;
}
.yk-stat span {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--yk-text-2);
    white-space: nowrap;
}
.yk-stat:hover span { color: var(--yk-primary); }

.yk-quick {
    display: flex;
    margin-top: 16px;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(125deg, #2b3550 0, #3d4a6b 100%);
    color: #fff;
}
.yk-quick a {
    flex: 1;
    padding: 11px 16px;
    min-width: 0;
}
.yk-quick a + a { border-left: 1px solid rgba(255, 255, 255, .16); }
.yk-quick em {
    display: block;
    font-style: normal;
    font-size: 15px;
    font-weight: 600;
}
.yk-quick i {
    display: block;
    margin-top: 6px;
    font-style: normal;
    font-size: 12px;
    color: rgba(255, 255, 255, .62);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.yk-quick a:hover { background: rgba(255, 255, 255, .07); }

.yk-entries {
    display: flex;
    margin-top: auto;
    padding-top: 18px;
}
.yk-entry { flex: 1; text-align: center; }
.yk-entry a { display: block; }
.yk-entry .ei {
    width: 34px;
    height: 34px;
    margin: 0 auto;
    color: var(--yk-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.yk-entry .ei svg { width: 26px; height: 26px; }
.yk-entry span {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--yk-text-2);
}
.yk-entry:hover span { color: var(--yk-primary); }

/* 未登录时的登录/注册按钮 */
.yk-login-buts { display: flex; gap: 12px; margin-top: 4px; }
.yk-login-buts a {
    flex: 1;
    height: 40px;
    line-height: 38px;
    text-align: center;
    border-radius: 8px;
    font-size: 15px;
    border: 1px solid var(--yk-primary);
    color: var(--yk-primary);
}
.yk-login-buts a.yk-main {
    background: var(--yk-primary);
    color: #fff;
    border-color: var(--yk-primary);
}

/* ============ 商品分类卡 ============ */
.yk-cats {
    margin-top: 24px;
    border-radius: var(--yk-radius);
    background: #fff;
    box-shadow: var(--yk-shadow);
    overflow: hidden;
}

.yk-cats-head {
    height: 52px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    background: linear-gradient(90deg, var(--yk-primary) 0, var(--yk-primary-2) 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
}

.yk-cats-body { padding: 22px; }

.yk-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.yk-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 18px;
    border: 1px solid #e8ebf3;
    border-radius: 22px;
    background: #fff;
    color: #444a5a;
    font-size: 14px;
    max-width: 100%;
}
.yk-pill img { width: 20px; height: 20px; border-radius: 5px; flex: none; }
.yk-pill span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.yk-pill:hover { border-color: var(--yk-primary); color: var(--yk-primary); }
.yk-pill.on {
    background: var(--yk-primary);
    border-color: var(--yk-primary);
    color: #fff;
    box-shadow: 0 8px 16px rgba(78, 110, 242, .26);
}

.yk-subtabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--yk-line);
}
.yk-subtab {
    height: 34px;
    line-height: 34px;
    padding: 0 16px;
    border-radius: 6px;
    background: #f5f6fa;
    color: #666c7d;
    font-size: 14px;
}
.yk-subtab:hover { color: var(--yk-primary); }
.yk-subtab.on {
    background: var(--yk-primary-soft);
    color: var(--yk-primary);
    font-weight: 600;
}

.yk-sorts {
    display: flex;
    gap: 12px;
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--yk-line);
}
.yk-sort {
    height: 36px;
    line-height: 35px;
    padding: 0 20px;
    border: 1px solid #e8ebf3;
    border-radius: 6px;
    background: #fff;
    color: #555c6d;
    font-size: 14px;
}
.yk-sort:hover { color: var(--yk-primary); border-color: var(--yk-primary); }
.yk-sort.on {
    background: var(--yk-primary);
    border-color: var(--yk-primary);
    color: #fff;
}

/* ============ 商品网格 ============ */
.yk-goods {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}

.yk-good {
    border: 1px solid var(--yk-line);
    border-radius: 10px;
    background: #fff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.yk-good:hover {
    transform: translateY(-3px);
    border-color: #dfe4f5;
    box-shadow: 0 12px 26px rgba(31, 41, 66, .1);
}

.yk-good-img {
    position: relative;
    height: 0;
    padding-top: 100%;
    background: #f7f8fb;
}
.yk-good-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yk-good-name {
    padding: 10px 12px 0;
    font-size: 14px;
    line-height: 1.45;
    color: #3a4152;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    min-height: 40px;
}
.yk-good:hover .yk-good-name { color: var(--yk-primary); }

.yk-good-foot {
    display: flex;
    align-items: baseline;
    padding: 6px 12px 14px;
}
.yk-good-price {
    color: var(--yk-red);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
    word-break: break-all;
}
.yk-good-price i { font-style: normal; font-size: 13px; margin-right: 1px; }
.yk-good-stop {
    margin-left: auto;
    font-size: 12px;
    color: var(--yk-text-3);
    background: #f5f6fa;
    border-radius: 4px;
    padding: 2px 6px;
}

.yk-goods-none {
    margin-top: 22px;
    padding: 60px 0;
    text-align: center;
    color: #8a93a6;
    font-size: 15px;
}

.yk-more { text-align: center; padding: 26px 0 30px; }
.yk-more a {
    display: inline-block;
    height: 40px;
    line-height: 40px;
    padding: 0 28px;
    border-radius: 8px;
    background: var(--yk-primary);
    color: #fff;
    font-size: 14px;
}
.yk-more a:hover { background: var(--yk-primary-2); }
.yk-more-end,
.yk-more-loading {
    color: #9aa1b5;
    font-size: 14px;
}
/* 局部刷新期间整卡置灰并屏蔽点击，避免连点重复请求 */
.yk-cats.is-loading .yk-cats-body {
    opacity: .55;
    pointer-events: none;
}

/* ============ 特色条 ============ */
.yk-feature {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 34px 0 40px;
}
.yk-feature li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 17px;
    color: #3d4457;
    letter-spacing: 1px;
}
.yk-feature .fi {
    width: 30px;
    height: 30px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.yk-feature .fi svg { width: 100%; height: 100%; }

/* ============ 页脚 ============ */
.yk-footer {
    background: var(--yk-footer);
    color: #8b8fa3;
    padding: 26px 0;
    font-size: 14px;
}
.yk-footer-in {
    text-align: center;
    line-height: 1.9;
}
.yk-footer a { color: #b6bacb; }
.yk-footer a:hover { color: #fff; }

/* ============ 右侧悬浮条 ============ */
.yk-float {
    position: fixed;
    right: 16px;
    bottom: 120px;
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.yk-float a,
.yk-float button {
    width: 52px;
    padding: 12px 0;
    border: 0;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(31, 41, 66, .12);
    color: var(--yk-text-2);
    font-size: 12px;
    line-height: 1.4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.yk-float a:hover, .yk-float button:hover { color: var(--yk-primary); }
.yk-float svg { width: 20px; height: 20px; }
.yk-float .yk-f-main {
    background: var(--yk-primary);
    color: #fff;
}
.yk-float .yk-f-main:hover { background: var(--yk-primary-2); color: #fff; }
.yk-float .yk-top { display: none; }
.yk-float .yk-top.on { display: flex; }

/* ============ 自适应（PC 模板，窄屏只保证不烂） ============ */
@media (max-width: 1280px) {
    .yk-goods { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
    .yk-hero { flex-direction: column; }
    .yk-banner { height: 300px; }
    .yk-panel { width: 100%; }
    .yk-entries { padding-top: 20px; }
    .yk-logo { font-size: 24px; letter-spacing: 1px; }
    .yk-search { width: 300px; max-width: 42%; }
}

@media (max-width: 768px) {
    .yk-goods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .yk-head-in { flex-wrap: wrap; gap: 12px 14px; }
    .yk-nav { order: 2; flex: 1 1 auto; }
    .yk-nav a { padding: 9px 16px; font-size: 14px; }
    .yk-search { order: 3; width: 100%; max-width: none; }
    .yk-feature { justify-content: flex-start; gap: 14px 26px; }
    .yk-feature li { font-size: 15px; }
    .yk-float { right: 8px; bottom: 80px; }
    .yk-float a, .yk-float button { width: 46px; }
}

/* ============ 个人中心（user/home.php + user/_nav.php） ============ */
.yk-uc {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding-bottom: 30px;
}

.yk-uc-side { width: 230px; flex: none; }

.yk-nav-group {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--yk-shadow);
    padding: 6px 0 10px;
    margin-bottom: 14px;
}

.yk-nav-group-h {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 600;
    color: #2b2b2b;
}

/* 分组折叠按钮：方框里一横，折叠后多出一竖变成加号 */
.yk-nav-fold {
    position: relative;
    width: 16px;
    height: 16px;
    flex: none;
    border: 1px solid #c9cedd;
    border-radius: 3px;
    background: #fff;
}
.yk-nav-fold::before,
.yk-nav-fold::after {
    content: "";
    position: absolute;
    left: 3px;
    top: 6px;
    width: 8px;
    height: 2px;
    background: #8a93a6;
}
.yk-nav-fold::after {
    left: 6px;
    top: 3px;
    width: 2px;
    height: 8px;
    opacity: 0;
}
.yk-nav-fold:hover { border-color: var(--yk-primary); }
.yk-nav-group.folded .yk-nav-fold::after { opacity: 1; }
.yk-nav-group.folded ul { display: none; }

.yk-nav-group li a {
    display: block;
    padding: 10px 14px 10px 32px;
    margin: 0 10px;
    border-radius: 8px;
    font-size: 14px;
    color: #5a6072;
}
.yk-nav-group li a:hover { color: var(--yk-primary); background: #f2f3f7; }
/* 选中态用实心主色胶囊：浅蓝底和页面淡紫外背景同色，在白卡片里看不出选中 */
.yk-nav-group li a.on {
    color: #fff;
    font-weight: 600;
    background: var(--yk-primary);
    box-shadow: 0 6px 14px rgba(78, 110, 242, .28);
}
.yk-nav-group li a.on:hover { color: #fff; background: var(--yk-primary-2); }

.yk-uc-main { flex: 1; min-width: 0; }

.yk-uc-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--yk-shadow);
    padding: 20px 22px;
    margin-bottom: 16px;
}

.yk-uc .yk-avatar { margin: 0; }
.yk-avatar-big { width: 76px; height: 76px; }
.yk-avatar-big svg { width: 46px; height: 46px; }

.yk-member-top { display: flex; align-items: center; gap: 18px; }
.yk-member-name { font-size: 18px; font-weight: 600; color: #2b2b2b; }
.yk-member-sub { margin-top: 8px; font-size: 13px; color: #8a93a6; }
.yk-member-level {
    display: inline-block;
    margin-top: 10px;
    padding: 3px 10px;
    border-radius: 4px;
    background: #f0f2f7;
    color: #6b7280;
    font-size: 12px;
}
.yk-login-inline { margin-top: 14px; max-width: 260px; }

.yk-member-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px 34px;
    margin-top: 18px;
    padding: 14px 18px;
    border-radius: 10px;
    background: #f7f8fc;
    font-size: 14px;
    color: #5a6072;
}
.yk-member-cell { display: flex; align-items: center; gap: 8px; }
.yk-member-cell b { font-size: 16px; color: #2b2b2b; font-weight: 600; }

.yk-btn-mini {
    display: inline-block;
    height: 26px;
    line-height: 26px;
    padding: 0 12px;
    border-radius: 5px;
    background: var(--yk-primary);
    color: #fff;
    font-size: 12px;
}
.yk-btn-mini:hover { background: var(--yk-primary-2); }
.yk-btn-line {
    background: #fff;
    border: 1px solid var(--yk-primary);
    color: var(--yk-primary);
    line-height: 24px;
}
.yk-btn-line:hover { background: var(--yk-primary-soft); }

.yk-uc-cols {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}
.yk-uc-cols .yk-uc-card { margin-bottom: 16px; }
.yk-quick-card { padding: 18px 20px; }
.yk-quick-title {
    padding-bottom: 14px;
    border-bottom: 1px solid var(--yk-line);
    font-size: 15px;
    font-weight: 600;
    color: #2b2b2b;
}
.yk-quick-items {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 26px;
    padding-top: 18px;
}
.yk-quick-items a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #5a6072;
}
.yk-quick-items a:hover { color: var(--yk-primary); }

/* 圆形图标底色（售后 / 关注 / 订单 / 概览共用） */
.qi {
    width: 46px;
    height: 46px;
    flex: none;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.qi svg { width: 24px; height: 24px; }
.qi-blue { background: #4e6ef2; }
.qi-cyan { background: #22b8cf; }
.qi-orange { background: #ff9f43; }
.qi-green { background: #2ecc71; }
.qi-gray { background: #b6bcc9; }
.qi-red { background: #f0413e; }
.qi-yellow { background: #ffc53d; }
.qi-purple { background: #9254de; }
.qi-indigo { background: #5b6bd6; }

.yk-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px 16px;
}
.yk-metric { display: flex; align-items: center; gap: 14px; min-width: 0; }
.yk-metric em {
    display: block;
    font-style: normal;
    font-size: 14px;
    color: #5a6072;
    white-space: nowrap;
}
.yk-metric b {
    display: block;
    margin-top: 6px;
    font-size: 18px;
    font-weight: 700;
    color: var(--yk-primary);
    word-break: break-all;
}

.yk-stat-head {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--yk-line);
}
.yk-stat-title { font-size: 16px; font-weight: 600; color: #2b2b2b; }
.yk-stat-ranges { display: flex; gap: 22px; margin-left: auto; }
.yk-stat-ranges a { font-size: 14px; color: #5a6072; }
.yk-stat-ranges a:hover { color: var(--yk-primary); }
.yk-stat-ranges a.on { color: var(--yk-primary); font-weight: 600; }

.yk-stat-date {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    border: 1px solid var(--yk-line);
    border-radius: 8px;
    color: #8a93a6;
}
.yk-stat-date input {
    border: 0;
    background: transparent;
    font-size: 13px;
    color: #5a6072;
    padding: 2px;
}
.yk-stat-date button {
    border: 0;
    background: transparent;
    color: var(--yk-primary);
    font-size: 13px;
    padding: 2px 4px;
}

.yk-stat-body {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
    padding: 24px 0 8px;
}
.yk-stat-cell { text-align: center; min-width: 0; }
.yk-stat-cell b {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #2b2b2b;
    word-break: break-all;
}
.yk-stat-cell span { display: block; margin-top: 8px; font-size: 13px; color: #8a93a6; }
.yk-stat-foot { padding-top: 12px; font-size: 12px; color: #a7aec6; }

.yk-know-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--yk-line);
}
.yk-know-more { font-size: 13px; color: var(--yk-primary); }
.yk-know-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--yk-line);
}
.yk-know-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.yk-know-list a {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    color: #3a4152;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.yk-know-list a:hover { color: var(--yk-primary); }
.yk-know-list span { flex: none; font-size: 12px; color: #a7aec6; }

@media (max-width: 1024px) {
    .yk-uc { flex-direction: column; }
    .yk-uc-side { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
    .yk-nav-group { margin-bottom: 0; }
    .yk-uc-cols { grid-template-columns: minmax(0, 1fr); }
    .yk-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .yk-stat-body { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .yk-stat-ranges { margin-left: 0; flex-wrap: wrap; gap: 12px 18px; }
}

@media (max-width: 768px) {
    .yk-uc-side { grid-template-columns: minmax(0, 1fr); }
    .yk-metrics { grid-template-columns: minmax(0, 1fr); }
    .yk-stat-body { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .yk-member-bar { gap: 10px 18px; }
}

/* ============ 我的订单（user/order.php） ============ */
.yk-of { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.yk-of-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #5a6072; }
.yk-of-item input,
.yk-of-item select {
    height: 38px;
    min-width: 160px;
    padding: 0 12px;
    border: 1px solid #e5e8f0;
    border-radius: 8px;
    background: #fff;
    font-size: 14px;
    color: #3a4152;
}
.yk-of-item input:focus,
.yk-of-item select:focus { border-color: var(--yk-primary); }

.yk-of-btn {
    width: 56px;
    height: 38px;
    border: 0;
    border-radius: 8px;
    background: var(--yk-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.yk-of-btn:hover { background: var(--yk-primary-2); }
.yk-of-btn svg { width: 18px; height: 18px; }
.yk-of-clear { font-size: 13px; color: #8a93a6; }

.yk-otabs { display: flex; flex-wrap: wrap; gap: 6px 30px; padding: 14px 22px; }
.yk-otab {
    position: relative;
    padding: 8px 0;
    font-size: 15px;
    color: #5a6072;
}
.yk-otab:hover { color: var(--yk-primary); }
.yk-otab.on { color: var(--yk-primary); font-weight: 600; }
.yk-otab.on::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--yk-primary);
}

.yk-otable {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--yk-shadow);
    overflow: hidden;
}
.yk-ohead-row,
.yk-order-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 110px 120px 150px 150px;
    gap: 12px;
    align-items: center;
}
.yk-ohead-row {
    padding: 14px 22px;
    background: #f7f8fc;
    color: #8a93a6;
    font-size: 14px;
}
.yk-oempty { padding: 60px 22px; text-align: center; color: #8a93a6; font-size: 15px; }

.yk-order { border-top: 1px solid var(--yk-line); }

.yk-order-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 12px 22px;
    background: #f6f8ff;
    font-size: 14px;
    color: #5a6072;
}
.yk-order-meta { display: flex; flex-wrap: wrap; gap: 6px 28px; min-width: 0; }
.yk-order-st {
    flex: none;
    padding: 5px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
}
.yk-order-st.ok { background: #e7f7ec; color: #2e9e5b; }
.yk-order-st.doing { background: #e8f1ff; color: #2f77f1; }
.yk-order-st.warn { background: #fff3e6; color: #e6822a; }
.yk-order-st.off { background: #f1f4f8; color: #8a94a6; }

.yk-order-row { padding: 16px 22px; }
.c-goods { display: flex; align-items: center; gap: 12px; min-width: 0; }
.c-goods > img {
    width: 56px;
    height: 56px;
    flex: none;
    border-radius: 8px;
    object-fit: cover;
    background: #f5f6fa;
}
.yk-order-goods { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.yk-order-name {
    font-size: 15px;
    color: #2b2b2b;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.yk-order-name:hover { color: var(--yk-primary); }
.yk-order-param {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    font-size: 13px;
    color: #8a93a6;
}
.yk-order-param em { font-style: normal; flex: none; }
.yk-order-param > span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px;
    color: #5a6072;
}
.c-num { text-align: center; font-size: 15px; color: #3a4152; }
.c-money { color: var(--yk-red); font-weight: 700; font-size: 16px; }
.c-prog { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: #8a93a6; }
.c-prog i { font-style: normal; color: #2b2b2b; }
.c-ops { display: flex; flex-direction: column; gap: 8px; }
.yk-od-btn {
    display: block;
    height: 34px;
    line-height: 33px;
    text-align: center;
    border-radius: 8px;
    font-size: 13px;
}
.yk-od-main { background: var(--yk-primary); color: #fff; }
.yk-od-main:hover { background: var(--yk-primary-2); }
.yk-od-line { border: 1px solid var(--yk-red); color: var(--yk-red); }
.yk-od-line:hover { background: #fff1f0; }

.yk-copy {
    width: 28px;
    height: 24px;
    flex: none;
    border: 1px solid #e5e8f0;
    border-radius: 5px;
    background: #fff;
    color: #8a93a6;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.yk-copy:hover { color: var(--yk-primary); border-color: var(--yk-primary); }
.yk-copy svg { width: 14px; height: 14px; }

.yk-od-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: 16px;
    background: var(--yk-line);
    border: 1px solid var(--yk-line);
    border-radius: 10px;
    overflow: hidden;
}
.yk-od-item { padding: 10px 14px; background: #fff; }
.yk-od-item span { display: block; margin-bottom: 3px; font-size: 12.5px; color: #8a93a6; }
.yk-od-item b { font-weight: 500; color: #334155; word-break: break-all; }
.yk-od-sec {
    margin-top: 12px;
    padding: 12px 14px;
    background: #fff;
    border: 1px solid var(--yk-line);
    border-radius: 10px;
}
.yk-od-sec-t { margin-bottom: 8px; font-size: 12.5px; color: #8a93a6; }
.yk-od-line {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 0;
    font-size: 14px;
    color: #334155;
    word-break: break-all;
}
.yk-od-line em { font-style: normal; color: #8a93a6; flex: none; }

.yk-pager { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 18px; }
.yk-pager a {
    min-width: 34px;
    height: 34px;
    line-height: 33px;
    padding: 0 8px;
    text-align: center;
    border: 1px solid #e5e8f0;
    border-radius: 6px;
    background: #fff;
    color: #5a6072;
    font-size: 13px;
}
.yk-pager a:hover { color: var(--yk-primary); border-color: var(--yk-primary); }
.yk-pager a.on { background: var(--yk-primary); border-color: var(--yk-primary); color: #fff; }

@media (max-width: 1280px) {
    .yk-ohead-row,
    .yk-order-row { grid-template-columns: minmax(0, 1fr) 90px 110px 140px 140px; }
}

@media (max-width: 1024px) {
    .yk-ohead-row { display: none; }
    .yk-order-row { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 14px; }
    .c-goods { grid-column: 1 / -1; }
    .c-ops { flex-direction: row; }
    .yk-od-hint { display: none; }
    .yk-od-btn { flex: 1; }
}

@media (max-width: 768px) {
    .yk-order-row { grid-template-columns: minmax(0, 1fr); }
    .yk-od-grid { grid-template-columns: minmax(0, 1fr); }
    .yk-of-item input,
    .yk-of-item select { min-width: 130px; }
}

/* 复制结果轻提示 */
.yk-toast {
    position: fixed;
    left: 50%;
    top: 24px;
    z-index: 200;
    padding: 9px 18px;
    border-radius: 8px;
    background: rgba(31, 41, 66, .9);
    color: #fff;
    font-size: 13px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.yk-toast.on {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ============ 账户充值（user/money.php） ============ */
.yk-rc { padding: 26px 28px 30px; }
.yk-rc-title {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--yk-line);
    font-size: 18px;
    font-weight: 600;
    color: #2b2b2b;
}
.yk-rc-balance {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 22px;
    padding: 22px 24px;
    border-radius: 12px;
    background: #f7f8fc;
    font-size: 15px;
    color: #5a6072;
}
.yk-rc-balance b { font-size: 28px; font-weight: 700; color: #f59a23; }
.yk-rc-label { margin-top: 26px; font-size: 16px; font-weight: 600; color: #2b2b2b; }

.yk-rc-amount { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.yk-rc-amount input {
    width: 420px;
    max-width: 100%;
    height: 62px;
    padding: 0 22px;
    border: 1px solid #e5e8f0;
    border-radius: 12px;
    background: #fff;
    font-size: 20px;
    color: #2b2b2b;
}
.yk-rc-amount input:focus { border-color: var(--yk-primary); }
.yk-rc-amount input::placeholder { color: #a7aec6; font-size: 18px; }
.yk-rc-unit { font-size: 16px; color: #5a6072; }
.yk-rc-range { margin-top: 12px; font-size: 13px; color: #8a93a6; }

.yk-rc-pays { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
.yk-rc-pays .recharge-pay-item {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 190px;
    height: 86px;
    padding: 0 22px;
    border: 1px solid #e5e8f0;
    border-radius: 12px;
    background: #fff;
    font-size: 16px;
    color: #3a4152;
}
.yk-rc-pays .recharge-pay-item:hover { border-color: #c9d4ff; }
.yk-rc-pays .recharge-pay-item.recharge-on {
    border-color: var(--yk-primary);
    background: #f5f8ff;
    box-shadow: 0 8px 18px rgba(78, 110, 242, .12);
}
.yk-rc-ico {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex: none;
    border-radius: 10px;
    background: #fff;
}
.yk-rc-ico svg { width: 40px; height: 40px; }

.yk-rc-submit {
    display: block;
    width: 100%;
    height: 56px;
    margin-top: 28px;
    border: 0;
    border-radius: 12px;
    background: var(--yk-primary);
    color: #fff;
    font-size: 17px;
    letter-spacing: 2px;
}
.yk-rc-submit:hover { background: var(--yk-primary-2); }
.yk-rc-submit:disabled { background: #c7cfe6; cursor: not-allowed; }
.yk-rc-none { margin-top: 14px; font-size: 14px; color: #8a93a6; line-height: 1.8; }
.yk-rc-empty { padding: 26px 0; text-align: center; color: #8a93a6; font-size: 14px; }

.yk-rc-log { margin-top: 6px; }
.yk-rc-log-row {
    display: grid;
    grid-template-columns: 190px 120px 130px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--yk-line);
    font-size: 14px;
    color: #3a4152;
}
.yk-rc-log-row > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.yk-rc-log-row:last-child { border-bottom: 0; }
.yk-rc-log-row.head { border-bottom: 1px solid var(--yk-line); color: #8a93a6; font-size: 13px; }
.yk-rc-log-row .plus { color: #2e9e5b; }

@media (max-width: 768px) {
    .yk-rc { padding: 20px 16px 24px; }
    .yk-rc-amount input { width: 100%; height: 54px; }
    .yk-rc-pays .recharge-pay-item { width: 100%; height: 70px; }
    .yk-rc-log-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

/* ============ 通用流水/列表表格（余额明细、我的下级、分销管理内嵌表） ============ */
.yk-lg-table { margin-top: 6px; }
.yk-lg-row {
    display: grid;
    grid-template-columns: 180px 130px 130px 130px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--yk-line);
    font-size: 14px;
    color: #3a4152;
}
.yk-lg-row:last-child { border-bottom: 0; }
.yk-lg-row > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.yk-lg-row.head { border-bottom: 1px solid var(--yk-line); color: #8a93a6; font-size: 13px; }
.yk-lg-row .plus { color: #2e9e5b; }
.yk-lg-row .minus { color: var(--yk-red); }
/* 下级列表：ID / 账号 / 等级 / 累计消费 / 注册时间 */
.yk-pm-row { grid-template-columns: 100px minmax(0, 1fr) 140px 160px 190px; }

/* 分销管理页里内嵌的表格（沿用 classic 的 .table 类名） */
.yk-uc .table { width: 100%; border-collapse: collapse; }
.yk-uc .table th,
.yk-uc .table td { padding: 9px 10px; border-bottom: 1px solid var(--yk-line); text-align: left; font-size: 13px; color: #3a4152; }
.yk-uc .table th { background: #f8fafc; color: #64748b; font-weight: 600; }

@media (max-width: 1024px) {
    .yk-lg-row,
    .yk-pm-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ============ 我的下级（user/promote.php） ============ */
.yk-pm-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.yk-pm-card {
    padding: 18px 20px;
    border: 1px solid var(--yk-line);
    border-radius: 12px;
    background: #fbfcff;
}
.yk-pm-k { font-size: 13px; color: #8a93a6; }
.yk-pm-v { margin-top: 8px; font-size: 24px; font-weight: 700; color: var(--yk-primary); word-break: break-all; }
.yk-pm-v small { margin-left: 4px; font-size: 13px; font-weight: 400; color: #8a93a6; }
.yk-pm-sub { margin-top: 8px; font-size: 12.5px; color: #8a93a6; }
.yk-pm-link { display: inline-block; margin-top: 8px; font-size: 13px; color: var(--yk-primary); }
.yk-pm-url {
    margin-top: 14px;
    padding: 12px 14px;
    border: 1px dashed #c9d4ff;
    border-radius: 10px;
    background: #f7f9ff;
    font-size: 14px;
    color: var(--yk-primary);
    word-break: break-all;
}
.yk-pm-tip { margin-top: 10px; font-size: 13px; color: #8a93a6; line-height: 1.8; }
.yk-know-head .yk-copy { width: auto; height: 28px; padding: 0 12px; gap: 6px; font-size: 12.5px; color: var(--yk-primary); border-color: var(--yk-primary); }

/* ============ 邀请海报（user/poster.php） ============ */
.yk-ps-card { padding: 22px 24px 26px; }
.yk-ps-sub { font-size: 13px; color: #8a93a6; }
.yk-ps { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 20px; }
.yk-poster {
    position: relative;
    width: 320px;
    flex: none;
    padding: 30px 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, #2563eb 0, #4b89dc 100%);
    color: #fff;
    overflow: hidden;
}
.yk-poster-site { font-size: 22px; font-weight: 700; }
.yk-poster-slogan { margin-top: 6px; font-size: 13px; opacity: .85; }
.yk-poster-qr {
    margin-top: 24px;
    padding: 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, .15);
    text-align: center;
}
.yk-poster-qr-t { margin-bottom: 10px; font-size: 14px; }
.yk-poster-code {
    display: inline-block;
    padding: 10px;
    border-radius: 8px;
    background: #fff;
    line-height: 0;
}
.yk-poster-code canvas,
.yk-poster-code img { display: block; }
.yk-poster-id { margin-top: 20px; font-size: 12px; opacity: .75; }
.yk-ps-side { flex: 1; min-width: 240px; }
.yk-ps-box {
    padding: 16px;
    border-radius: 10px;
    background: #f8fafc;
    margin-bottom: 16px;
}
.yk-ps-k { font-size: 13px; color: #64748b; }
.yk-ps-url { margin: 8px 0 12px; font-size: 13px; color: var(--yk-primary); word-break: break-all; }
.yk-ps-box .yk-copy { width: auto; height: 30px; padding: 0 14px; font-size: 13px; color: var(--yk-primary); border-color: var(--yk-primary); }
.yk-ps-save {
    width: 100%;
    height: 46px;
    border: 0;
    border-radius: 10px;
    background: var(--yk-primary);
    color: #fff;
    font-size: 15px;
}
.yk-ps-save:hover { background: var(--yk-primary-2); }
.yk-ps-save:disabled { background: #c7cfe6; cursor: progress; }
.yk-ps-tip { margin-top: 10px; font-size: 12px; color: #8a93a6; line-height: 1.7; }

.yk-ps-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(0, 0, 0, .7);
    justify-content: center;
    align-items: center;
}
.yk-ps-overlay.on { display: flex; }
.yk-ps-overlay-in { text-align: center; }
.yk-ps-overlay-in canvas {
    max-width: 90vw;
    max-height: 78vh;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, .3);
}
.yk-ps-ops { margin-top: 16px; display: flex; gap: 10px; justify-content: center; }
.yk-ps-ops a,
.yk-ps-ops button {
    height: 38px;
    line-height: 38px;
    padding: 0 22px;
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: 8px;
    background: transparent;
    color: #fff;
    font-size: 14px;
}
.yk-ps-ops a { background: var(--yk-primary); border-color: var(--yk-primary); }

@media (max-width: 768px) {
    .yk-pm-cards { grid-template-columns: minmax(0, 1fr); }
    .yk-poster { width: 100%; }
}

/* 订单详情：链接式按钮 + 弹窗 */
.yk-od-link { border: 1px solid var(--yk-primary); background: #fff; color: var(--yk-primary); }
.yk-od-link:hover { background: var(--yk-primary-soft); }
.yk-modal { position: fixed; inset: 0; z-index: 300; display: none; }
.yk-modal.on { display: block; }
.yk-modal-mask { position: absolute; inset: 0; background: rgba(15, 23, 42, .45); }
.yk-modal-box {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    width: min(720px, 92vw);
    max-height: 86vh;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .28);
    overflow: hidden;
}
.yk-modal-head {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--yk-line);
    font-size: 16px;
    font-weight: 600;
    color: #2b2b2b;
}
.yk-modal-x { border: 0; background: none; font-size: 26px; line-height: 1; color: #94a3b8; }
.yk-modal-x:hover { color: #334155; }
.yk-modal-body { flex: 1; min-height: 0; padding: 18px 20px 22px; overflow-y: auto; background: #f7f9fd; }
body.yk-modal-open { overflow: hidden; }

.yk-od-goods {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid #e3eefb;
    border-radius: 12px;
    background: linear-gradient(135deg, #eef5ff, #f8fbff);
}
.yk-od-goods img { width: 56px; height: 56px; flex: none; border-radius: 8px; object-fit: cover; background: #fff; }
.yk-od-goods-info { flex: 1; min-width: 0; }
.yk-od-goods-name { font-size: 15px; font-weight: 600; color: #1f2937; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.yk-od-goods-sub { margin-top: 4px; font-size: 13px; color: #8a94a6; }
.yk-od-total { display: flex; align-items: baseline; justify-content: flex-end; gap: 8px; padding: 12px 4px 0; }
.yk-od-total span { font-size: 13px; color: #8a94a6; }
.yk-od-total b { font-size: 22px; color: var(--yk-red); }

/* ============ 常见问题（articles.php） ============ */
.yk-crumb {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 2px 0 16px;
    font-size: 15px;
    color: #8a93a6;
}
.yk-crumb i { font-style: normal; color: #c3cad9; }
.yk-crumb b { color: #2b2b2b; font-weight: 600; }

.yk-faq {
    border: 1px solid var(--yk-line);
    border-radius: 12px;
    margin-bottom: 14px;
    background: #fff;
    overflow: hidden;
}
.yk-faq:last-child { margin-bottom: 0; }
.yk-faq[open] { border-color: var(--yk-primary); }
.yk-faq > summary {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    cursor: pointer;
    list-style: none;
    background: #fbfcff;
}
.yk-faq > summary::-webkit-details-marker { display: none; }
.yk-faq[open] > summary { border-bottom: 1px solid var(--yk-line); }
.yk-faq-no {
    width: 30px;
    height: 30px;
    flex: none;
    border-radius: 50%;
    background: var(--yk-primary);
    color: #fff;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.yk-faq-t { flex: 1; min-width: 0; font-size: 16px; font-weight: 600; color: #2b2b2b; }
/* 折叠箭头：纯 CSS 画的 V，展开时翻向上 */
.yk-faq-arrow {
    width: 10px;
    height: 10px;
    flex: none;
    border-right: 2px solid #9aa1b5;
    border-bottom: 2px solid #9aa1b5;
    transform: rotate(45deg) translateY(-2px);
    transition: transform .2s ease;
}
.yk-faq[open] .yk-faq-arrow { transform: rotate(-135deg) translateY(-2px); }
.yk-faq-body {
    padding: 20px 22px 22px;
    font-size: 14.5px;
    line-height: 1.9;
    color: #3a4152;
}
.yk-faq-body img { max-width: 100%; height: auto; border-radius: 8px; margin: 8px 0; }
.yk-faq-body p { margin: 0 0 12px; }
.yk-faq-body h2, .yk-faq-body h3 { margin: 14px 0 10px; font-size: 16px; color: #2b2b2b; }
.yk-faq-body ul, .yk-faq-body ol { padding-left: 22px; margin: 0 0 12px; list-style: disc; }
.yk-faq-body ol { list-style: decimal; }
.yk-faq-body a { color: var(--yk-primary); text-decoration: underline; }
.yk-faq-time { margin-top: 16px; font-size: 12.5px; color: #a7aec6; }

@media (max-width: 768px) {
    .yk-faq > summary { padding: 14px 14px; gap: 10px; }
    .yk-faq-t { font-size: 15px; }
    .yk-faq-body { padding: 16px 14px 18px; }
}

/* ============ 商品详情 / 购买（buy.php） ============ */
.yk-buy-crumb { padding: 4px 0 16px; }
.yk-buy-crumb a { color: #8a93a6; }
.yk-buy-crumb a:hover { color: var(--yk-primary); }
.yk-buy-crumb b { color: #2b2b2b; font-weight: 600; }
.yk-buy-back { display: inline-block; color: var(--yk-primary); }

.yk-buy { padding: 24px 26px 26px; }
.yk-buy-main { display: flex; gap: 28px; align-items: flex-start; }
.yk-buy-img {
    width: 300px;
    flex: none;
    height: 300px;
    border-radius: 12px;
    background: #f5f6fa;
    overflow: hidden;
}
.yk-buy-img img { width: 100%; height: 100%; object-fit: cover; }
.yk-buy-info { flex: 1; min-width: 0; }
.yk-buy-name { font-size: 22px; font-weight: 700; color: #2b2b2b; line-height: 1.4; }

.yk-buy-price {
    margin-top: 18px;
    padding: 16px 20px;
    border-left: 4px solid var(--yk-primary);
    border-radius: 8px;
    background: linear-gradient(90deg, #f2f5ff, #fafbff);
}
.yk-buy-price-row { display: flex; align-items: baseline; gap: 10px; font-size: 14px; color: #5a6072; }
.yk-buy-price-row b { font-size: 30px; font-weight: 800; color: var(--yk-red); line-height: 1.1; }
.yk-buy-price-row b i { font-style: normal; font-size: 18px; margin-right: 2px; }
.yk-buy-meta { display: flex; flex-wrap: wrap; gap: 6px 34px; margin-top: 12px; font-size: 13.5px; color: #8a93a6; }

/* 各等级拿货价：纯 CSS 悬浮弹层，不依赖 JS */
.yk-buy-lv { position: relative; display: inline-flex; align-items: center; }
.yk-buy-lv-btn { font-size: 13px; color: var(--yk-primary); cursor: pointer; }
.yk-buy-lv-pop {
    display: none;
    position: absolute;
    left: 0;
    top: calc(100% + 8px);
    z-index: 30;
    width: 220px;
    padding: 10px 12px;
    border: 1px solid #e3e8f5;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(31, 41, 66, .14);
}
.yk-buy-lv:hover .yk-buy-lv-pop { display: block; }
.yk-buy-lv-head { display: block; margin-bottom: 6px; font-size: 12.5px; color: #8a93a6; }
.yk-buy-lv-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13px; color: #3a4152; }
.yk-buy-lv-row b { color: var(--yk-red); font-weight: 600; }

/* 以下类名是下单脚本的钩子，只改外观 */
#goodsBuyPanel { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--yk-line); }
.goods-buy-form { width: 100%; }
.goods-buy-form .buy-row { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 16px; }
.goods-buy-form .buy-label { flex: none; width: 92px; padding-top: 10px; font-size: 14px; color: #5a6072; text-align: right; }
.goods-buy-form .buy-label em { margin-right: 3px; font-style: normal; color: var(--yk-red); }
.goods-buy-form .input-container,
.goods-buy-form .buy-field { flex: 1; min-width: 0; }
.goods-buy-form .input_info,
.goods-buy-form textarea,
.goods-buy-form select {
    width: 100%;
    min-height: 42px;
    padding: 9px 14px;
    border: 1px solid #e5e8f0;
    border-radius: 8px;
    background: #fff;
    box-sizing: border-box;
    font-size: 14px;
    color: #2b2b2b;
}
.goods-buy-form .input_info:focus,
.goods-buy-form textarea:focus,
.goods-buy-form select:focus { border-color: var(--yk-primary); }
.goods-buy-form textarea { min-height: 92px; resize: vertical; }
.goods-buy-form .extract-btn {
    height: 42px;
    padding: 0 16px;
    border: 0;
    border-radius: 8px;
    background: var(--yk-primary);
    color: #fff;
    white-space: nowrap;
}
.yk-buy-tip { margin-top: 6px; font-size: 12.5px; color: #a7aec6; line-height: 1.7; }
.yk-buy-radios { display: flex; flex-wrap: wrap; gap: 10px 18px; padding-top: 8px; }
.yk-buy-radios .checkbox-line { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: #3a4152; cursor: pointer; }

.goods-buy-form .buy-qty { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.goods-buy-form .buy-qty button {
    width: 42px;
    height: 42px;
    flex: none;
    border: 1px solid #e5e8f0;
    background: #f7f8fc;
    color: #5a6072;
    font-size: 18px;
}
.goods-buy-form .buy-qty button:hover { color: var(--yk-primary); border-color: var(--yk-primary); }
.goods-buy-form .buy-qty input {
    width: 120px;
    height: 42px;
    padding: 0 10px;
    border: 1px solid #e5e8f0;
    border-left: 0;
    border-right: 0;
    text-align: center;
    font-size: 15px;
    color: #2b2b2b;
}
.goods-buy-form #qty-minus { border-radius: 8px 0 0 8px; }
.goods-buy-form #qty-plus { border-radius: 0 8px 8px 0; }
.goods-buy-form .qty-tips { font-size: 13px; color: #8a93a6; }
.goods-buy-form .qty-tips i { font-style: normal; margin-left: 6px; color: var(--yk-red); }

.goods-buy-form .pay { display: flex; flex-wrap: wrap; gap: 10px; }
.goods-buy-form .pay span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 130px;
    height: 42px;
    padding: 0 16px;
    border: 1px solid #e5e8f0;
    border-radius: 8px;
    background: #fff;
    color: #4f5b6d;
    font-size: 14px;
    cursor: pointer;
}
.goods-buy-form .pay span.hover,
.goods-buy-form .pay span:hover { border-color: var(--yk-primary); color: var(--yk-primary); background: #f5f8ff; }
.goods-buy-form .pay span.guest-disabled { opacity: .5; cursor: not-allowed; }

.goods-buy-form .buy-rule-row .tips { font-size: 13px; color: #8a93a6; }
.goods-buy-form .buy-rule-row a { margin-left: 2px; color: var(--yk-primary); }
.goods-buy-form .buy-off-tip {
    margin: 4px 0 14px 106px;
    padding: 10px 14px;
    border-radius: 8px;
    background: #fff1f0;
    color: #d4380d;
    font-size: 13.5px;
}
.goods-buy-form .buy-actions { display: flex; align-items: center; gap: 14px; margin-left: 106px; }
.goods-buy-form .paybut,
.goods-buy-form .batch-order-btn { height: 46px; padding: 0 28px; border-radius: 8px; font-size: 15px; font-weight: 600; }
.goods-buy-form .paybut { border: 0; background: var(--yk-primary); color: #fff; box-shadow: 0 10px 22px rgba(78, 110, 242, .22); }
.goods-buy-form .paybut:hover { background: var(--yk-primary-2); }
.goods-buy-form .paybut.disabled,
.goods-buy-form .batch-order-btn.disabled { background: #c9cfdd; color: #fff; box-shadow: none; cursor: not-allowed; border: 0; opacity: 1; }
.goods-buy-form .batch-order-btn { border: 1px solid #e5e8f0; background: #fff; color: #3a4152; font-weight: 400; }
.goods-buy-form .batch-order-btn:hover { border-color: var(--yk-primary); color: var(--yk-primary); }

.yk-buy-tabs-card { margin-top: 20px; padding: 0 26px 26px; }
.yk-buy-tabs { display: flex; gap: 30px; border-bottom: 1px solid var(--yk-line); }
.yk-buy-tab {
    position: relative;
    padding: 16px 2px;
    border: 0;
    background: none;
    font-size: 15px;
    color: #5a6072;
}
.yk-buy-tab:hover { color: var(--yk-primary); }
.yk-buy-tab.on { color: var(--yk-primary); font-weight: 600; }
.yk-buy-tab.on::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    border-radius: 2px;
    background: var(--yk-primary);
}
.yk-buy-content { padding: 20px 0 4px; font-size: 14.5px; line-height: 1.95; color: #3a4152; }
.yk-buy-content img { max-width: 100%; height: auto; border-radius: 8px; }
.yk-buy-content p { margin: 0 0 12px; }
.yk-buy-content table { width: 100%; border-collapse: collapse; }
.yk-buy-content td, .yk-buy-content th { border: 1px solid var(--yk-line); padding: 8px 10px; font-size: 13.5px; }
.yk-buy-his-row { grid-template-columns: 190px minmax(0, 1fr) 90px 140px 120px; }
.yk-buy-his-row a { color: var(--yk-primary); }
.yk-buy-pane { padding-top: 4px; }

@media (max-width: 1024px) {
    .yk-buy-main { flex-direction: column; }
    .yk-buy-img { width: 100%; height: auto; aspect-ratio: 1 / 1; max-height: 360px; }
}

@media (max-width: 768px) {
    .goods-buy-form .buy-row { flex-direction: column; gap: 6px; }
    .goods-buy-form .buy-label { width: auto; padding-top: 0; text-align: left; }
    .goods-buy-form .buy-actions,
    .goods-buy-form .buy-off-tip { margin-left: 0; }
    .goods-buy-form .paybut,
    .goods-buy-form .batch-order-btn { flex: 1; padding: 0 12px; }
    .yk-buy-name { font-size: 19px; }
    .yk-buy-price-row b { font-size: 26px; }
}

/* ============ 商品分类页（fenlei.php） ============ */
.yk-fl { padding: 6px 0 30px; }
.yk-fg { padding: 20px 24px 28px; }
.yk-fg-head { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; color: #2b2b2b; }
.yk-fg-head i {
    width: 4px;
    height: 18px;
    flex: none;
    border-radius: 2px;
    background: linear-gradient(180deg, #7a4bf2, #4e6ef2);
}
.yk-fg-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 28px 12px;
    margin-top: 26px;
}
.yk-fg-item { display: flex; flex-direction: column; align-items: center; gap: 12px; min-width: 0; }
.yk-fg-ico {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    border: 1px solid #f1f2f8;
    background: #fff;
    box-shadow: 0 6px 18px rgba(122, 75, 242, .14);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease;
}
.yk-fg-ico img { width: 60px; height: 60px; object-fit: cover; border-radius: 50%; }
.yk-fg-item:hover .yk-fg-ico { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(78, 110, 242, .2); }
.yk-fg-name {
    max-width: 100%;
    font-size: 14px;
    color: #3a4152;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.yk-fg-item:hover .yk-fg-name { color: var(--yk-primary); }

@media (max-width: 1280px) {
    .yk-fg-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
    .yk-fg-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
    .yk-fg { padding: 16px 14px 20px; }
    .yk-fg-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px 8px; }
    .yk-fg-ico { width: 64px; height: 64px; }
    .yk-fg-ico img { width: 50px; height: 50px; }
}

/* ============ 升级会员弹窗（index.php） ============ */
.yk-modal-narrow { width: min(560px, 94vw); }
.yk-lv-head {
    background: linear-gradient(90deg, var(--yk-primary) 0, var(--yk-primary-2) 100%);
    border-bottom: 0;
    color: #fff;
}
.yk-lv-head .yk-modal-x { color: rgba(255, 255, 255, .85); }
.yk-lv-head .yk-modal-x:hover { color: #fff; }

.yk-lv-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 14px 16px;
    border-radius: 10px;
    background: #f2f4f9;
    font-size: 14px;
    color: #5a6072;
}
.yk-lv-bar b { color: var(--yk-primary); font-weight: 600; }
.yk-lv-bar em { font-style: normal; color: #f59a23; font-weight: 700; }
.yk-lv-list { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.yk-lv-card { position: relative; display: block; cursor: pointer; }
/* 用原生 radio 选中，不依赖 JS；视觉上隐藏，靠相邻兄弟选择器画选中态 */
.yk-lv-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.yk-lv-in {
    display: block;
    padding: 16px 18px;
    border: 1px solid #e5e8f0;
    border-radius: 12px;
    background: #fbfcff;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.yk-lv-card:hover .yk-lv-in { border-color: #c9d4ff; }
.yk-lv-card input:checked + .yk-lv-in {
    border-color: var(--yk-primary);
    background: #fff;
    box-shadow: 0 8px 22px rgba(78, 110, 242, .16);
}
.yk-lv-card input:focus-visible + .yk-lv-in { outline: 2px solid var(--yk-primary-2); outline-offset: 2px; }
.yk-lv-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.yk-lv-top b { font-size: 17px; font-weight: 700; color: #2b2b2b; }
.yk-lv-top i { font-style: normal; font-size: 20px; font-weight: 700; color: var(--yk-primary); }
.yk-lv-pay { display: block; margin-top: 10px; font-size: 14px; color: #5a6072; }
.yk-lv-pay em { font-style: normal; color: var(--yk-red); font-weight: 600; }
.yk-lv-desc { display: block; margin-top: 10px; font-size: 13px; color: #8a93a6; line-height: 1.9; }
.yk-lv-ok { position: relative; display: inline-block; margin: 0 0 0 8px; padding-left: 21px; color: #6b7280; }
.yk-lv-ok::before {
    content: "";
    position: absolute;
    left: 0;
    top: 3px;
    width: 15px;
    height: 15px;
    border-radius: 4px;
    background: #22c55e;
}
.yk-lv-ok::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 6px;
    width: 7px;
    height: 4px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg);
}
.yk-lv-tip { margin-top: 14px; font-size: 12.5px; color: #a7aec6; line-height: 1.8; }
.yk-lv-none { padding: 40px 0; text-align: center; color: #8a93a6; font-size: 14px; }
.yk-lv-foot { display: flex; justify-content: flex-end; gap: 12px; margin-top: 20px; }
.yk-lv-cancel,
.yk-lv-submit { height: 42px; padding: 0 26px; border-radius: 8px; font-size: 15px; }
.yk-lv-cancel { border: 1px solid #e5e8f0; background: #f7f8fc; color: #5a6072; }
.yk-lv-cancel:hover { color: var(--yk-primary); border-color: var(--yk-primary); }
.yk-lv-submit { border: 0; background: var(--yk-primary); color: #fff; font-weight: 600; }
.yk-lv-submit:hover { background: var(--yk-primary-2); }