/* 首页 hero：科幻轨道 / HUD 版（index-hero-orbit.html 专用） */

.hero {
    background: radial-gradient(ellipse at 50% 46%, #0a1f33 0%, #051019 46%, #02070d 100%);
    overflow: hidden;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
}

.hero-orbit-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    display: block;
    pointer-events: none;
}

.hero.is-dragging {
    cursor: grabbing;
}

/* 扫描线 + 暗角 */
.hero-orbit-fx {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        repeating-linear-gradient(0deg,
            rgba(160, 205, 255, 0.030) 0px,
            rgba(160, 205, 255, 0.030) 1px,
            transparent 1px,
            transparent 3px),
        radial-gradient(ellipse at 50% 45%,
            rgba(3, 10, 18, 0) 40%,
            rgba(3, 10, 18, 0.35) 74%,
            rgba(1, 5, 10, 0.82) 100%);
    mix-blend-mode: normal;
}

/* HUD 标注层 */
.hero-orbit-hud {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    font-family: "SFMono-Regular", Consolas, "Courier New", monospace;
    color: rgba(158, 205, 255, 0.78);
    font-size: 10px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.orbit-nodes {
    position: absolute;
    left: 62px;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
    padding: 0;
    list-style: none;
}

.orbit-nodes li {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 10px;
    white-space: nowrap;
}

.orbit-nodes i {
    width: 6px;
    height: 6px;
    border: 1px solid rgba(239, 189, 82, 0.8);
    border-radius: 50%;
    background: rgba(239, 189, 82, 0.25);
}

.orbit-nodes span {
    color: rgba(216, 255, 243, 0.85);
}

.orbit-nodes b {
    color: rgba(158, 205, 255, 0.45);
    font-weight: 400;
}

/* 文字区：无边缘柔和暗晕 */
.hero .hero-bg-overlay {
    z-index: 1;
    background: none;
}

.hero .hero-content {
    position: relative;
    z-index: 3;
    background: radial-gradient(ellipse at 50% 50%,
        rgba(5, 14, 26, 0.62) 0%,
        rgba(5, 14, 26, 0.38) 46%,
        rgba(5, 14, 26, 0) 72%);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}

.hero.hero-orbit-fallback {
    background:
        radial-gradient(circle at 50% 45%, rgba(22, 66, 120, 0.6) 0%, rgba(5, 16, 28, 0.92) 55%, #02070d 100%);
}

.hero.hero-orbit-fallback .hero-orbit-canvas {
    display: none;
}

@media (max-width: 1100px) {
    .orbit-nodes {
        left: 42px;
    }
}

@media (max-width: 900px) {
    .hero-orbit-hud {
        display: none;
    }
}