/* 商城主题站共享样式 —— 首页与内页共用。改动后请递增 application/extra/site.php 的 version 破缓存 */
/* ================= 设计令牌 ================= */
:root {
    --mk-primary: #007bff;
    --mk-primary-dark: #0062cc;
    --mk-price: #e74c3c;
    --mk-warn: #f39c12;
    --mk-ink: #333;
    --mk-ink-2: #666;
    --mk-ink-3: #999;
    --mk-line: #e8e8e8;
    --mk-bg: #f4f6f8;
    --mk-card: #fff;
    --mk-wrap: 1200px;
    --mk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0; background: var(--mk-bg); color: var(--mk-ink);
    font: 400 14px/1.6 var(--mk-font); -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .18s; }
a:hover { color: var(--mk-primary); }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; }
p { margin: 0; }
del { color: var(--mk-ink-3); font-size: 12px; font-weight: 400; }
.mk-wrap { width: 100%; max-width: var(--mk-wrap); margin: 0 auto; padding: 0 16px; }
.mk-clear::after { content: ""; display: block; clear: both; }

/* ================= 顶部条 ================= */
.mk-topbar { background: #2c3444; color: #b9c2d0; font-size: 12.5px; }
.mk-topbar-in { display: flex; align-items: center; justify-content: space-between; min-height: 34px; gap: 16px; }
.mk-topbar-msg { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.mk-topbar-msg em { color: #fff; font-style: normal; }
.mk-topbar-msg a { color: #8fc0ff; margin-left: 8px; }
.mk-topbar-links { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.mk-topbar-extra { display: flex; align-items: center; gap: 8px; }
.mk-topbar-links i { color: #4c5666; font-style: normal; }
.mk-topbar-links a:hover { color: #fff; }

/* ================= 头部 ================= */
.mk-head { background: #fff; border-bottom: 1px solid var(--mk-line); }
.mk-head-in { display: flex; align-items: center; gap: 28px; padding: 18px 0; }
.mk-logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; font-size: 24px; font-weight: 800; letter-spacing: -.3px; color: #1a2130; }
.mk-logo:hover { color: var(--mk-primary); }
/* 占位标记：不加圆角，统一浅灰底（约定：占位图不用圆角） */
.mk-logo::before { content: ""; width: 32px; height: 32px; background: #e5e9ee; }
.mk-logo small { display: block; font-size: 11px; font-weight: 600; letter-spacing: 2px; color: var(--mk-ink-3); }
.mk-search { position: relative; display: flex; flex: 1; max-width: 560px; height: 42px; border: 2px solid var(--mk-primary); border-radius: 3px; overflow: hidden; }
.mk-search input { flex: 1; min-width: 0; padding: 0 14px; border: 0; outline: none; font: inherit; color: var(--mk-ink); }
.mk-search input::placeholder { color: #b6bcc6; }
.mk-search button {
    flex: 0 0 auto; width: 92px; border: 0; background: var(--mk-primary); color: #fff;
    font: 600 15px/1 var(--mk-font); cursor: pointer; transition: background .18s;
}
.mk-search button:hover { background: var(--mk-primary-dark); }
.mk-hot { flex: 0 0 auto; font-size: 12.5px; color: var(--mk-ink-3); max-width: 300px; }
.mk-hot a { margin-right: 10px; color: var(--mk-ink-2); }

/* ================= 导航条(白底) ================= */
.mk-nav { background: #fff; border-bottom: 1px solid var(--mk-line); }
.mk-nav-in { display: flex; align-items: stretch; gap: 0; min-height: 46px; }
.mk-nav-cat { position: relative; flex: 0 0 200px; }
.mk-nav-cat-title {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    height: 46px; background: var(--mk-primary); color: #fff; font-size: 15px; font-weight: 600; cursor: default;
}
.mk-cat-panel {
    position: absolute; left: 0; top: 100%; z-index: 30; width: 200px;
    background: #fff; border: 1px solid var(--mk-line); border-top: 0;
    box-shadow: 0 8px 20px rgba(16, 24, 40, .10);
    opacity: 0; visibility: hidden; transform: translateY(-6px);
    transition: opacity .18s, transform .18s, visibility .18s;
}
.mk-nav-cat:hover .mk-cat-panel, .mk-cat-panel:hover { opacity: 1; visibility: visible; transform: translateY(0); }
.mk-cat-panel a { display: block; padding: 11px 16px; border-bottom: 1px solid #f2f4f7; }
.mk-cat-panel a:last-child { border-bottom: 0; }
.mk-cat-panel a:hover { background: #f6f9ff; }
.mk-cat-panel b { display: block; font-size: 14px; font-weight: 600; }
.mk-cat-panel span { display: block; font-size: 12px; color: var(--mk-ink-3); }
.mk-nav-links { display: flex; align-items: stretch; flex: 1; }
/* li 也必须是 flex，否则 a 撑不满行高、文字会贴顶不居中 */
.mk-nav-links li { display: flex; }
.mk-nav-links a {
    display: flex; align-items: center; height: 100%; padding: 0 22px;
    color: var(--mk-ink); font-size: 15px; white-space: nowrap;
    transition: color .18s, background .18s, box-shadow .18s;
}
.mk-nav-links a:hover { background: var(--mk-bg-soft-2); color: var(--mk-primary); }
/* 当前所在栏目:蓝字 + 底部蓝条 */
.mk-nav-links a.on { color: var(--mk-primary); font-weight: 600; box-shadow: inset 0 -2px 0 var(--mk-primary); }
.mk-nav-top {
    display: flex; align-items: center; padding: 0 18px;
    color: var(--mk-ink-2); font-size: 13px; background: transparent;
    transition: color .18s, background .18s;
}
.mk-nav-top:hover { color: var(--mk-primary); background: var(--mk-bg-soft-2); }

/* ================= 焦点图 ================= */
.mk-focus { position: relative; overflow: hidden; background: #0e1524; }
.mk-focus-track { position: relative; height: var(--mk-focus-h, 460px); }
.mk-focus-item {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background-size: cover; background-position: center;
    opacity: 0; visibility: hidden; transition: opacity .6s ease, visibility .6s;
}
.mk-focus-item.on { opacity: 1; visibility: visible; }
.mk-focus-item::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(6, 12, 24, .78), rgba(6, 12, 24, .34) 62%, rgba(6, 12, 24, .18));
}
.mk-focus-item[data-theme="blue"] { background-image: linear-gradient(120deg, #0b2e6b, #1565c0 55%, #2a7efb); }
.mk-focus-item[data-theme="purple"] { background-image: linear-gradient(120deg, #241a5e, #4b32a8 55%, #7b5cff); }
.mk-focus-item[data-theme="teal"] { background-image: linear-gradient(120deg, #0a3c3a, #12776f 55%, #17a2a2); }
.mk-focus-copy { position: relative; z-index: 2; flex: 0 1 var(--mk-wrap); width: 100%; max-width: var(--mk-wrap); color: #fff; }
.mk-focus-copy > h2, .mk-focus-copy > p { max-width: 640px; }
.mk-focus-copy h2 { font-size: 42px; line-height: 1.22; letter-spacing: -.5px; text-shadow: 0 2px 14px rgba(0, 0, 0, .28); }
.mk-focus-copy p { margin-top: 16px; font-size: 17px; color: rgba(255, 255, 255, .86); }
.mk-focus-item .js-slide-in { opacity: 0; transform: translateY(16px); }
.mk-focus-item.on .js-slide-in { opacity: 1; transform: none; transition: opacity .6s .15s, transform .6s .15s; }
.mk-btn {
    display: inline-block; margin-top: 28px; padding: 12px 34px; border-radius: 3px;
    background: var(--mk-primary); color: #fff; font-size: 15px; font-weight: 600;
    border: 0; cursor: pointer; font-family: inherit;
    transition: background .18s, transform .18s;
}
.mk-btn:hover { background: var(--mk-primary-dark); color: #fff; transform: translateY(-1px); }
.mk-focus-arrow {
    position: absolute; top: 50%; z-index: 3; width: 46px; height: 74px; margin-top: -37px;
    border: 0; background: rgba(0, 0, 0, .28); color: #fff; font-size: 30px; line-height: 1;
    cursor: pointer; opacity: 0; transition: opacity .2s, background .2s;
}
.mk-focus:hover .mk-focus-arrow { opacity: 1; }
.mk-focus-arrow:hover { background: rgba(0, 0, 0, .5); }
.mk-focus-prev { left: 0; }
.mk-focus-next { right: 0; }
.mk-focus-dots { position: absolute; left: 0; right: 0; bottom: 20px; z-index: 3; display: flex; justify-content: center; gap: 10px; }
.mk-focus-dots i {
    display: block; width: 12px; height: 12px; border-radius: 50%; cursor: pointer;
    background: rgba(255, 255, 255, .42); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .7);
    transition: background .2s, transform .2s;
}
.mk-focus-dots i.on { background: #fff; transform: scale(1.15); }

/* ================= 通用板块 ================= */
.mk-sec { padding: 34px 0; }
.mk-sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.mk-sec-head h2 { display: flex; align-items: center; gap: 10px; font-size: 22px; }
.mk-sec-head h2 i { width: 4px; height: 20px; border-radius: 2px; background: var(--mk-primary); }
.mk-sec-head p { margin-top: 6px; font-size: 13px; color: var(--mk-ink-3); }
.mk-more { flex: 0 0 auto; font-size: 13px; color: var(--mk-ink-2); }
.mk-more:hover { color: var(--mk-primary); }

/* ================= 商品卡 ================= */
.mk-goods {
    display: flex; flex-direction: column; background: var(--mk-card);
    border: 1px solid var(--mk-line); border-radius: 3px; overflow: hidden;
    transition: box-shadow .22s, transform .22s, border-color .22s;
}
.mk-goods:hover { transform: translateY(-4px); border-color: #cfe1fb; box-shadow: 0 14px 30px rgba(16, 24, 40, .12); }
.mk-goods-img { position: relative; aspect-ratio: 1 / 1; background: #f0f3f7; overflow: hidden; }
.mk-goods-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.mk-goods:hover .mk-goods-img img { transform: scale(1.06); }
.mk-ph {
    display: grid; place-items: center; width: 100%; height: 100%;
    color: #a9b3c1; font-size: 12px; letter-spacing: .5px;
    background: repeating-linear-gradient(45deg, #f2f5f9, #f2f5f9 10px, #eef2f7 10px, #eef2f7 20px);
}
.mk-goods-body { display: flex; flex-direction: column; gap: 6px; padding: 12px; flex: 1; }
.mk-tag { align-self: flex-start; padding: 1px 7px; border-radius: 2px; font-size: 11px; color: var(--mk-primary); background: rgba(0, 123, 255, .10); }
.mk-goods-title {
    font-size: 14px; line-height: 1.5; color: var(--mk-ink); min-height: 42px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.mk-goods-price { margin-top: auto; display: flex; align-items: baseline; gap: 8px; }
.mk-goods-price b { font-size: 18px; font-weight: 700; color: var(--mk-price); }
.mk-goods-price b small { font-size: 12px; font-weight: 400; }

/* ================= 热门推荐横滑 ================= */
.mk-strip { position: relative; }
.mk-strip-view { overflow: hidden; }
.mk-strip-track { display: flex; gap: 14px; transition: transform .35s ease; }
.mk-strip-track > .mk-goods { flex: 0 0 calc((100% - 14px * 4) / 5); }
.mk-strip-arrow {
    position: absolute; top: 50%; z-index: 4; width: 36px; height: 62px; margin-top: -31px;
    border: 1px solid var(--mk-line); background: rgba(255, 255, 255, .94); color: var(--mk-ink-2);
    font-size: 22px; line-height: 1; cursor: pointer; border-radius: 3px;
    box-shadow: 0 4px 12px rgba(16, 24, 40, .10); transition: color .18s, background .18s;
}
.mk-strip-arrow:hover { color: #fff; background: var(--mk-primary); border-color: var(--mk-primary); }
.mk-strip-arrow:disabled { opacity: .35; cursor: not-allowed; }
.mk-strip-prev { left: -18px; }
.mk-strip-next { right: -18px; }

/* ================= 分类网格 ================= */
.mk-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
/* 列表页专用加宽容器（头部/页脚仍用 .mk-wrap 的 1200px） */
.mk-wrap-wide { max-width: 1400px; }
.mk-sec-alt { background: #fff; }

/* ================= 页脚 ================= */
.mk-foot { margin-top: 24px; background: #242b38; color: #98a3b5; font-size: 13px; }
.mk-foot-top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; padding: 44px 0 32px; }
.mk-foot-name { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: #fff; }
.mk-foot-name::before { content: ""; width: 26px; height: 26px; background: #e5e9ee; }
.mk-foot-brand p { margin-top: 12px; max-width: 320px; line-height: 1.75; }
.mk-foot-tel { margin-top: 16px; }
.mk-foot-tel b { display: block; font-size: 22px; font-weight: 800; color: #fff; letter-spacing: .5px; }
.mk-foot-tel span { font-size: 12.5px; }
.mk-foot-col h4 { margin-bottom: 14px; font-size: 14px; color: #fff; }
.mk-foot-col a { display: block; padding: 5px 0; color: #98a3b5; }
.mk-foot-col a:hover { color: #fff; }
.mk-foot-friend { display: flex; flex-wrap: wrap; gap: 8px 16px; padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 12.5px; }
.mk-foot-friend span { color: #6b7789; }
.mk-foot-bottom {
    display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between;
    padding: 16px 0 22px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 12.5px; color: #6b7789;
}
.mk-foot-bottom a { color: #98a3b5; }

/* ================= 咨询浮层 / 回到顶部 ================= */
.mk-float { position: fixed; right: 20px; bottom: 88px; z-index: 50; display: flex; flex-direction: column; gap: 8px; }
.mk-float a, .mk-float button {
    display: grid; place-items: center; width: 46px; height: 46px; border-radius: 3px;
    border: 1px solid var(--mk-line); background: #fff; color: var(--mk-ink-2);
    font: inherit; font-size: 12px; cursor: pointer; box-shadow: 0 4px 12px rgba(16, 24, 40, .10);
    transition: background .18s, color .18s, border-color .18s;
}
.mk-float a:hover, .mk-float button:hover { background: var(--mk-primary); border-color: var(--mk-primary); color: #fff; }
#mkBackTop { position: fixed; right: 20px; bottom: 26px; z-index: 50; opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s; }
#mkBackTop.on { opacity: 1; visibility: visible; }

/* 咨询弹窗 */
.mk-modal { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 20px; opacity: 0; visibility: hidden; transition: opacity .22s, visibility .22s; }
.mk-modal.on { opacity: 1; visibility: visible; }
.mk-modal-bg { position: absolute; inset: 0; background: rgba(14, 20, 32, .55); }
.mk-modal-box { position: relative; width: min(420px, 100%); padding: 28px 26px 24px; border-radius: 6px; background: #fff; box-shadow: 0 24px 60px rgba(16, 24, 40, .3); }
.mk-modal-box h3 { font-size: 20px; margin-bottom: 6px; }
.mk-modal-box .mk-hint { margin-bottom: 18px; font-size: 13px; color: var(--mk-ink-3); }
.mk-modal-close { position: absolute; top: 10px; right: 12px; width: 32px; height: 32px; border: 0; border-radius: 50%; background: #f2f4f7; color: var(--mk-ink-2); font-size: 20px; line-height: 1; cursor: pointer; }
.mk-field { display: block; margin-bottom: 12px; }
.mk-field span { display: block; margin-bottom: 5px; font-size: 13px; color: var(--mk-ink-2); }
.mk-field input, .mk-field textarea {
    width: 100%; padding: 10px 12px; border: 1px solid var(--mk-line); border-radius: 3px;
    font: inherit; font-size: 14px; color: var(--mk-ink); outline: none; background: #fbfcfe;
}
.mk-field input:focus, .mk-field textarea:focus { border-color: var(--mk-primary); background: #fff; }
.mk-field textarea { min-height: 78px; resize: vertical; }
.mk-hp { position: absolute; left: -9999px; }
.mk-submit { width: 100%; margin-top: 6px; padding: 12px 0; border: 0; border-radius: 3px; background: var(--mk-primary); color: #fff; font: 600 15px/1 var(--mk-font); cursor: pointer; }
.mk-submit:hover { background: var(--mk-primary-dark); }
.mk-submit:disabled { opacity: .6; cursor: not-allowed; }
.mk-status { min-height: 18px; margin-top: 10px; font-size: 13px; text-align: center; }
.mk-status.ok { color: #0a9a5c; }
.mk-status.err { color: #e0533f; }

/* ================= 列表页「加载更多」（懒加载） ================= */
.mk-loadmore { margin: 26px 0 6px; text-align: center; }
.mk-loadmore[hidden] { display: none; }
.mk-loadmore button {
    min-width: 220px; padding: 13px 40px; border: 1px solid #bcd8ff; border-radius: 3px;
    background: #fff; color: var(--mk-primary);
    font: 600 15px/1 var(--mk-font); cursor: pointer;
    transition: background .18s, color .18s, border-color .18s;
}
.mk-loadmore button:hover:not(:disabled) { background: var(--mk-primary); border-color: var(--mk-primary); color: #fff; }
.mk-loadmore button:disabled { cursor: default; background: #f4f6f8; border-color: var(--mk-line); color: var(--mk-ink-3); }
.mk-loadmore .mk-loadmore-tip { margin-top: 10px; font-size: 12.5px; color: var(--mk-ink-3); }
.mk-loadmore .mk-loadmore-tip.err { color: #e0533f; }

/* ================= 响应式 ================= */
@media (max-width: 1200px) {
    .mk-grid { grid-template-columns: repeat(4, 1fr); }
    .mk-strip-track > .mk-goods { flex: 0 0 calc((100% - 14px * 3) / 4); }
    .mk-strip-prev { left: 0; }
    .mk-strip-next { right: 0; }
}
@media (max-width: 992px) {
    .mk-hot { display: none; }
    .mk-focus-copy h2 { font-size: 32px; }
    .mk-focus-track { height: 380px; }
    .mk-grid { grid-template-columns: repeat(3, 1fr); }
    .mk-strip-track > .mk-goods { flex: 0 0 calc((100% - 14px * 2) / 3); }
    .mk-foot-top { grid-template-columns: 1fr 1fr; gap: 24px; }
    .mk-foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
    .mk-topbar { font-size: 12px; }
    .mk-topbar-extra { display: none; }
    .mk-head-in { flex-wrap: wrap; gap: 14px; padding: 14px 0; }
    .mk-search { flex: 1 1 100%; max-width: none; order: 3; }
    .mk-nav-cat { display: none; }
    .mk-nav-links a { padding: 0 12px; font-size: 14px; }
    .mk-nav-top { display: none; }
    .mk-focus-copy h2 { font-size: 24px; }
    .mk-focus-copy p { font-size: 14px; }
    .mk-focus-track { height: 300px; }
    .mk-focus-arrow { display: none; }
    .mk-grid { grid-template-columns: repeat(2, 1fr); }
    .mk-strip-track > .mk-goods { flex: 0 0 calc((100% - 14px) / 2); }
    .mk-sec { padding: 22px 0; }
    .mk-foot-top { grid-template-columns: 1fr 1fr; }
    .mk-float { display: none; }
}

/* ================= 小图标（Feather 线性图标,内联 SVG sprite） ================= */
.mk-ico {
    width: 1em; height: 1em; flex: 0 0 auto;
    fill: none; stroke: currentColor; stroke-width: 2;
    stroke-linecap: round; stroke-linejoin: round;
    vertical-align: -0.15em;
}
.mk-ico-sm { width: .875em; height: .875em; }
.mk-ico-lg { width: 1.25em; height: 1.25em; }
/* 图标在前、文字在后（用于非 flex 容器） */
.mk-ico-me { margin-right: .35em; }
/* 图标在后（如「查看全部 ›」） */
.mk-ico-ms { margin-left: .25em; }

/* ================= 登录 / 注册弹窗 ================= */
.mk-auth-box { width: min(430px, 100%); }
.mk-auth-tabs { display: flex; gap: 0; margin: -4px 0 18px; border-bottom: 1px solid var(--mk-line); }
.mk-auth-tabs button {
    flex: 1; padding: 12px 0; border: 0; border-bottom: 2px solid transparent; background: none;
    font: 500 16px/1 var(--mk-font); color: var(--mk-ink-2); cursor: pointer; transition: color .18s;
}
.mk-auth-tabs button:hover { color: var(--mk-primary); }
.mk-auth-tabs button.on { color: var(--mk-primary); border-bottom-color: var(--mk-primary); font-weight: 700; }
.mk-auth-form { display: none; }
.mk-auth-form.on { display: block; }
.mk-auth-form[hidden] { display: none; }
.mk-auth-form h3 { font-size: 19px; margin-bottom: 4px; }
.mk-auth-form .mk-hint em { color: var(--mk-price); font-style: normal; }
.mk-auth-keep { display: flex; align-items: center; gap: 6px; margin: 2px 0 14px; font-size: 13px; color: var(--mk-ink-2); cursor: pointer; }
.mk-auth-keep input { width: auto; margin: 0; }
.mk-auth-captcha { display: flex; gap: 10px; align-items: stretch; }
.mk-auth-captcha input { flex: 1; min-width: 0; }
.mk-auth-captcha img {
    flex: 0 0 auto; width: 108px; height: auto; min-height: 40px; object-fit: cover;
    border: 1px solid var(--mk-line); border-radius: 3px; cursor: pointer; background: #f4f6f8;
}