:root {
    --hal-bg: #ffffff;
    --hal-card-bg: #ffffff;
    --hal-border: #111111;
    --hal-accent: #ff0000;
    --hal-text: #111111;
    --hal-sub: #555555;
    --hal-font: 'Arial Black', Impact, system-ui, sans-serif;
}

body {
    margin: 0; background: var(--hal-bg); color: var(--hal-text);
    font-family: var(--hal-font); font-size: 13px; -webkit-font-smoothing: antialiased;
    /* 经典波普大斑点背景纹理 */
    background-image: radial-gradient(var(--hal-accent) 15%, transparent 16%);
    background-size: 32px 32px;
}

.hal-header {
    position: fixed; top: 0; width: 100%; height: 56px;
    background: #ffffff; z-index: 2000; border-bottom: 3px solid var(--hal-border);
}

.hal-inner {
    max-width: 1200px; margin: 0 auto; height: 100%;
    display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
}

.hal-logo-nav { display: flex; align-items: center; gap: 30px; }
.hal-logo img { height: 20px; }
.hal-nav { display: flex; list-style: none; gap: 24px; margin: 0; padding: 0; }
.hal-nav a { color: var(--hal-sub); text-decoration: none; font-weight: bold; }
.hal-nav a:hover, .hal-nav a.active { color: var(--hal-accent); }
.hal-user-zone { display: flex; align-items: center; gap: 16px; }
.hal-btn-login { background: var(--hal-accent); color: #fff; padding: 6px 16px; border: 3px solid var(--hal-border); text-decoration: none; font-size: 11px; font-weight: bold; }
.hal-avatar { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--hal-border); }
.hal-m-trigger { display: none; color: var(--hal-text); font-size: 20px; cursor: pointer; }

/* 留白通告 */
.hal-notice-bar { margin: 80px auto 20px; max-width: 1200px; padding: 0 20px; }
.hal-notice-inner { border: 3px solid var(--hal-border); padding: 12px 24px; background: var(--hal-card-bg); display: flex; align-items: center; }
.hal-notice-dot { width: 6px; height: 6px; background: var(--hal-accent); border-radius: 50%; margin-right: 12px; }

/* 页脚 */
.hal-footer { padding: 40px 0; background: #ffffff; border-top: 3px solid var(--hal-border); margin-top: 60px; }
.hal-footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.hal-copyright { font-size: 11px; color: var(--hal-sub); display: flex; align-items: center; }
.hal-status-indicator { width: 6px; height: 6px; background: var(--hal-accent); border-radius: 50%; margin-right: 10px; }

/* 布局 472: 左侧凹凸凹侧槽 ➡️ 右侧双列拼图嵌合不规则商品卡 */
.hal-home-wrap { max-width: 1200px; margin: 40px auto; padding: 0 20px; min-height: 80vh; }
.hal-split-puzzle { display: flex; gap: 40px; }

/* 左侧凹凸凹侧槽 */
.hal-left-groove {
    flex: 0.35; background: var(--hal-card-bg); border: 3px solid var(--hal-border);
    padding: 30px; position: sticky; top: 100px; height: fit-content;
    /* 裁剪凹凸槽 */
    clip-path: polygon(0% 0%, 100% 0%, 100% 30%, 90% 35%, 100% 40%, 100% 60%, 90% 65%, 100% 70%, 100% 100%, 0% 100%);
    box-shadow: 4px 4px 0 var(--hal-border);
}
.hal-panel-title { font-size: 12px; font-weight: bold; color: var(--hal-accent); margin-bottom: 20px; text-transform: uppercase; }

/* 右侧双列不规则商品卡 */
.hal-right-grid { flex: 1.65; }

.hal-cat-hd { font-size: 14px; font-weight: bold; color: var(--hal-text); margin: 0 0 25px; display: flex; align-items: center; }
.hal-cat-hd::after { content: ""; flex: 1; height: 3px; background: var(--hal-border); margin-left: 20px; }
.hal-cat-hd::before { content: "■ "; color: var(--hal-accent); margin-right: 8px; }

.hal-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* 拼图咬合商品卡 (Hexagonal interlocking style) */
.hal-card-jigsaw {
    display: block; background: var(--hal-card-bg); text-decoration: none; transition: 0.2s;
    padding: 35px 24px; position: relative; border: 3px solid var(--hal-border);
    /* 裁剪拼图榫头 */
    clip-path: polygon(0% 0%, 100% 0%, 100% 40%, 95% 50%, 100% 60%, 100% 100%, 0% 100%, 0% 60%, 5% 50%, 0% 40%);
}
.hal-card-jigsaw:hover { transform: translate(-4px, -4px); box-shadow: 4px 4px 0 var(--hal-border); }
.hal-card-jigsaw:hover .hal-name { color: var(--hal-accent); }

.hal-img-box { width: 100%; aspect-ratio: 1.8; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; background: #ffffff; border: 3px solid var(--hal-border); }
.hal-img-box img { width: 45%; height: 45%; object-fit: contain; }
.hal-name { font-size: 14px; height: 38px; color: var(--hal-text); line-height: 1.5; overflow: hidden; margin-bottom: 15px; }
.hal-footer-meta { display: flex; justify-content: space-between; align-items: center; }
.hal-price { font-size: 16px; font-weight: bold; color: var(--hal-accent); }
.hal-sell-count { font-size: 11px; color: var(--hal-sub); }
.hal-tag-auto { position: absolute; top: 12px; right: 20px; font-size: 9px; color: var(--hal-accent); border: 1px solid var(--hal-border); padding: 1px 6px; }

/* Detail Pages */
.hal-trade-wrap { padding: 40px 10px; min-height: 80vh; }
.hal-trade-node { max-width: 900px; margin: 0 auto; border: 3px solid var(--hal-border); display: flex; flex-wrap: wrap; background: var(--hal-card-bg); }
.hal-media-side { flex: 0 0 32%; background: #ffffff; padding: 30px; display: flex; align-items: center; border-right: 3px solid var(--hal-border); }
.hal-media-side img { width: 100%; height: auto; }
.hal-form-side { flex: 1; padding: 40px; min-width: 320px; }
.hal-title { font-size: 22px; font-weight: 700; color: var(--hal-text); margin-bottom: 10px; }
.hal-tag-status { display: inline-block; padding: 3px 12px; border: 3px solid var(--hal-border); color: #fff; background: var(--hal-accent); font-size: 11px; margin-bottom: 25px; }
.hal-price-node { margin-bottom: 30px; padding: 20px; background: var(--hal-bg); border: 3px solid var(--hal-border); display: flex; justify-content: space-between; align-items: center; }
.hal-price-val { font-size: 26px; font-weight: 800; color: var(--hal-accent); }
.hal-field { margin-bottom: 20px; }
.hal-label { display: block; font-size: 11px; color: var(--hal-sub); margin-bottom: 8px; }
.hal-input { width: 100%; height: 44px; background: var(--hal-bg); border: 3px solid var(--hal-border); color: var(--hal-text); padding: 0 15px; box-sizing: border-box; outline: none; }
.hal-input:focus { border-color: var(--hal-accent); }
.hal-btn-submit { width: 100%; height: 48px; background: var(--hal-accent); color: #fff; border: 3px solid var(--hal-border); cursor: pointer; font-size: 14px; font-weight: 700; transition: 0.3s; }
.hal-btn-submit:hover { opacity: 0.8; }
.hal-btn-submit:disabled { background: #cbd3ca; color: #7d857c; border: 3px solid var(--hal-border); cursor: not-allowed; }
.hal-desc-box { max-width: 900px; margin: 20px auto 0; border: 3px solid var(--hal-border); padding: 30px; background: var(--hal-card-bg); color: var(--hal-sub); }
.hal-desc-title { font-size: 12px; font-weight: 700; color: var(--hal-text); margin-bottom: 15px; border-left: 2px solid var(--hal-accent); padding-left: 10px; }

/* Queries & Lists */
.hal-query-wrap { max-width: 520px; margin: 80px auto; padding: 0 20px; min-height: 70vh; }
.hal-query-node { background: var(--hal-card-bg); border: 3px solid var(--hal-border); padding: 30px; margin-bottom: 20px; }
.hal-btn-prime { background: var(--hal-accent); color: #fff; border: 3px solid var(--hal-border); padding: 12px 30px; font-weight: 700; font-size: 13px; cursor: pointer; width: 100%; }

@media (max-width: 768px) {
    .hal-split-puzzle { flex-direction: column; }
    .hal-left-groove { display: none; }
    .hal-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .hal-card-jigsaw { clip-path: none !important; }
    .hal-header { position: relative; }
    .hal-nav { position: fixed; top: 56px; left: -100%; width: 100%; height: 100vh; background: var(--hal-bg); flex-direction: column; padding: 40px; transition: 0.3s; gap: 30px; }
    .hal-nav.is-open { left: 0; }
    .hal-m-trigger { display: block; }
}