/* ===== Cyber Feng Shui 设计系统基线（调性：3 工业 Industrial + 复古未来霓虹）===== */
:root {
    /* 五行功能色 */
    --fire:  #ff5c4d;   /* 九星 */
    --earth: #e8b34b;   /* 采光 */
    --wood:  #2dd4a7;   /* 通风 */
    --water: #4d7cfe;   /* 能量 */
    --metal: #c9d1d9;   /* 结构 */
    /* 底色 */
    --bg:    #0b1020;
    --panel: #111a2e;
    --line:  #1e2a44;
    --text:  #c9d1d9;
    --muted: #6b7a99;
    /* 字体（自托管 woff2 待 T06/T10 接入，先用回退）*/
    --font-display: 'Rajdhani', 'Segoe UI', sans-serif;
    --font-mono:    'IBM Plex Mono', 'Consolas', monospace;
    --font-body:    'IBM Plex Sans', 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Hero ===== */
.hero {
    flex: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 32px;
    width: 100%;
}
.hero-eyebrow {
    font-family: var(--font-mono);
    color: var(--wood);
    letter-spacing: 0.25em;
    font-size: 0.8rem;
    margin-bottom: 24px;
}
.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
    color: #f0f4ff;
}
.hero-title .accent { color: var(--fire); }
.hero-sub {
    margin: 28px 0 40px;
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 46ch;
}
.cta {
    display: inline-block;
    font-family: var(--font-mono);
    background: var(--fire);
    color: #0b1020;
    font-weight: 700;
    padding: 16px 32px;
    text-decoration: none;
    letter-spacing: 0.08em;
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.16,1,0.3,1), box-shadow 0.3s;
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,92,77,0.25); }

.hero-visual { display: flex; justify-content: center; }
.luopan-placeholder {
    width: 320px; height: 320px;
    border: 1px solid var(--line);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; color: var(--water);
    background: radial-gradient(circle, rgba(77,124,254,0.08), transparent 70%);
    box-shadow: inset 0 0 60px rgba(77,124,254,0.1);
}

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--line); margin-top: auto; }
.footer-inner {
    max-width: 1200px; margin: 0 auto; padding: 32px;
    display: flex; flex-direction: column; gap: 12px;
}
.footer-brand { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.15em; color: var(--metal); }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.footer-nav a:hover { color: var(--wood); }
.footer-note { color: var(--muted); font-size: 0.78rem; max-width: 70ch; }

@media (max-width: 768px) {
    .hero { grid-template-columns: 1fr; padding: 48px 24px; }
    .hero-visual { order: -1; }
    .luopan-placeholder { width: 220px; height: 220px; font-size: 2rem; }
}