:root {
    --phos-bg: #000000;
    --phos-card-bg: #050505;
    --phos-border: rgba(57, 255, 20, 0.3);
    --phos-border-hover: rgba(57, 255, 20, 0.85);
    --phos-text: #39ff14;
    --phos-sub: #1e800a;
    --phos-accent: #39ff14;
    --phos-font: 'Fira Code', 'Courier New', monospace;
}

body {
    margin: 0; background: var(--phos-bg); color: var(--phos-text);
    font-family: var(--phos-font); font-size: 13px; -webkit-font-smoothing: antialiased;
}

.phos-header {
    position: fixed; top: 0; width: 100%; height: 56px;
    background: rgba(0, 0, 0, 0.95); z-index: 2000; border-bottom: 1px solid var(--phos-border);
}

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

.phos-logo-nav { display: flex; align-items: center; gap: 30px; }
.phos-logo img { height: 20px; filter: hue-rotate(90deg) brightness(1.5); }
.phos-nav { display: flex; list-style: none; gap: 24px; margin: 0; padding: 0; }
.phos-nav a { color: var(--phos-sub); text-decoration: none; font-weight: bold; }
.phos-nav a:hover, .phos-nav a.active { color: var(--phos-accent); }
.phos-user-zone { display: flex; align-items: center; gap: 16px; }
.phos-btn-login { background: none; color: var(--phos-text); padding: 6px 16px; border: 1px solid var(--phos-border); text-decoration: none; font-size: 11px; font-weight: bold; }
.phos-avatar { width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--phos-border); }
.phos-m-trigger { display: none; color: var(--phos-text); font-size: 20px; cursor: pointer; }

/* 留白通告 */
.phos-notice-bar { margin: 80px auto 20px; max-width: 1200px; padding: 0 20px; }
.phos-notice-inner { border: 1px solid var(--phos-border); padding: 12px 24px; background: var(--phos-card-bg); display: flex; align-items: center; }
.phos-notice-dot { width: 6px; height: 6px; background: var(--phos-accent); border-radius: 50%; margin-right: 12px; }

/* 页脚 */
.phos-footer { padding: 40px 0; background: #000000; border-top: 1px solid var(--phos-border); margin-top: 60px; }
.phos-footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.phos-copyright { font-size: 11px; color: var(--phos-sub); display: flex; align-items: center; }
.phos-status-indicator { width: 6px; height: 6px; background: var(--phos-accent); border-radius: 50%; margin-right: 10px; }

/* 布局 049: 右半屏常驻全息终端 ➡️ 左半屏顶部公告 ➡️ 左半屏 2 列网格卡 */
.phos-home-wrap { max-width: 1200px; margin: 40px auto; padding: 0 20px; min-height: 80vh; }
.phos-split-half { display: flex; gap: 40px; }

/* 左半屏内容区 */
.phos-left-area { flex: 1.3; display: flex; flex-direction: column; gap: 24px; }

/* 左半屏顶部公告 */
.phos-left-notice {
    background: var(--phos-card-bg); border: 1px solid var(--phos-border);
    padding: 24px; position: relative;
}
.phos-left-notice::before {
    content: "root@system:~# cat /bulletin"; display: block; font-weight: bold; margin-bottom: 8px; color: var(--phos-accent);
}

/* 2列平铺商品网格 */
.phos-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* 商品卡片：纯直角，带 1px 极细线框 */
.phos-card-ledger {
    display: block; background: var(--phos-card-bg); text-decoration: none; transition: 0.2s;
    padding: 24px; position: relative; border: 1px solid var(--phos-border);
}
.phos-card-ledger:hover { border-color: var(--phos-border-hover); box-shadow: 0 0 15px rgba(57, 255, 20, 0.25); }
.phos-card-ledger:hover .phos-name { color: var(--phos-accent); }

/* 右半屏全息终端 */
.phos-right-chamber {
    flex: 0.7; background: var(--phos-card-bg); border: 1px solid var(--phos-border);
    padding: 30px; position: sticky; top: 100px; height: fit-content;
}
.phos-panel-title { font-size: 13px; font-weight: bold; color: var(--phos-accent); margin-bottom: 20px; text-transform: uppercase; }
.phos-panel-line { height: 1px; background: var(--phos-border); margin: 15px 0; }
.phos-terminal-line { line-height: 1.8; font-size: 11px; color: var(--phos-sub); }

.phos-cat-hd { font-size: 14px; font-weight: bold; color: var(--phos-text); margin: 0 0 20px; display: flex; align-items: center; }
.phos-cat-hd::after { content: ""; flex: 1; height: 1px; background: var(--phos-border); margin-left: 20px; }
.phos-cat-hd::before { content: "root@usr:~$ ls /"; color: var(--phos-accent); margin-right: 8px; }

.phos-img-box { width: 100%; aspect-ratio: 1.8; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; background: #000; border: 1px solid var(--phos-border); }
.phos-img-box img { width: 45%; height: 45%; object-fit: contain; filter: matrix(-1, 0, 0, 1, 0, 0) hue-rotate(90deg); }
.phos-name { font-size: 14px; height: 38px; color: var(--phos-text); line-height: 1.5; overflow: hidden; margin-bottom: 15px; }
.phos-footer-meta { display: flex; justify-content: space-between; align-items: center; }
.phos-price { font-size: 16px; font-weight: bold; color: var(--phos-accent); }
.phos-sell-count { font-size: 11px; color: var(--phos-sub); }
.phos-tag-auto { position: absolute; top: 10px; right: 10px; font-size: 9px; color: var(--phos-accent); border: 1px solid var(--phos-border); padding: 1px 4px; }

/* Detail Pages */
.phos-trade-wrap { padding: 40px 10px; min-height: 80vh; }
.phos-trade-node { max-width: 900px; margin: 0 auto; border: 1px solid var(--phos-border); display: flex; flex-wrap: wrap; background: var(--phos-card-bg); }
.phos-media-side { flex: 0 0 32%; background: #000; padding: 30px; display: flex; align-items: center; border-right: 1px solid var(--phos-border); }
.phos-media-side img { width: 100%; height: auto; filter: hue-rotate(90deg); }
.phos-form-side { flex: 1; padding: 40px; min-width: 320px; }
.phos-title { font-size: 22px; font-weight: 700; color: var(--phos-text); margin-bottom: 10px; }
.phos-tag-status { display: inline-block; padding: 3px 12px; border: 1px solid var(--phos-accent); color: var(--phos-accent); font-size: 11px; background: rgba(57, 255, 20, 0.1); margin-bottom: 25px; }
.phos-price-node { margin-bottom: 30px; padding: 20px; background: var(--phos-bg); border: 1px solid var(--phos-border); display: flex; justify-content: space-between; align-items: center; }
.phos-price-val { font-size: 26px; font-weight: 800; color: var(--phos-accent); }
.phos-field { margin-bottom: 20px; }
.phos-label { display: block; font-size: 11px; color: var(--phos-sub); margin-bottom: 8px; }
.phos-input { width: 100%; height: 44px; background: var(--phos-bg); border: 1px solid var(--phos-border); color: var(--phos-text); padding: 0 15px; box-sizing: border-box; outline: none; }
.phos-input:focus { border-color: var(--phos-accent); }
.phos-btn-submit { width: 100%; height: 48px; background: none; color: var(--phos-text); border: 1px solid var(--phos-border); cursor: pointer; font-size: 14px; font-weight: 700; transition: 0.3s; }
.phos-btn-submit:hover { background: var(--phos-border); }
.phos-btn-submit:disabled { background: #0c1c0a; color: #1e5a1a; border: 1px solid var(--phos-border); cursor: not-allowed; }
.phos-desc-box { max-width: 900px; margin: 20px auto 0; border: 1px solid var(--phos-border); padding: 30px; background: var(--phos-card-bg); color: var(--phos-sub); }
.phos-desc-title { font-size: 12px; font-weight: 700; color: var(--phos-text); margin-bottom: 15px; border-left: 2px solid var(--phos-accent); padding-left: 10px; }

/* Queries & Lists */
.phos-query-wrap { max-width: 520px; margin: 80px auto; padding: 0 20px; min-height: 70vh; }
.phos-query-node { background: var(--phos-card-bg); border: 1px solid var(--phos-border); padding: 30px; margin-bottom: 20px; }
.phos-btn-prime { background: none; color: var(--phos-text); border: 1px solid var(--phos-border); padding: 12px 30px; font-weight: 700; font-size: 13px; cursor: pointer; width: 100%; }

@media (max-width: 768px) {
    .phos-split-half { flex-direction: column-reverse; }
    .phos-right-chamber { width: 100%; position: relative; top: 0; }
    .phos-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .phos-header { position: relative; }
    .phos-nav { position: fixed; top: 56px; left: -100%; width: 100%; height: 100vh; background: var(--phos-bg); flex-direction: column; padding: 40px; transition: 0.3s; gap: 30px; }
    .phos-nav.is-open { left: 0; }
    .phos-m-trigger { display: block; }
}