/* 首页视觉优化：来自已确认的首页美化方案。
 * 仅作用于现有 .home-page；不改布局尺寸、入口、搜索或业务脚本。
 * 与 index.css 配套加载，保留原色系及各入口的 --icon-* 配色。
 */
.home-page .navbar {
    background: rgba(255, 255, 255, 0.96);
    border-bottom-color: rgba(148, 163, 184, 0.16);
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.025);
}

.home-page .hero-section {
    background:
        linear-gradient(90deg, rgba(37, 99, 235, 0.021) 1px, transparent 1px),
        linear-gradient(180deg, rgba(6, 182, 212, 0.018) 1px, transparent 1px),
        radial-gradient(circle at 18% 8%, rgba(37, 99, 235, 0.09), transparent 30%),
        radial-gradient(circle at 82% 12%, rgba(20, 184, 166, 0.07), transparent 28%),
        linear-gradient(180deg, #f7fbff 0%, #eef7ff 52%, #f8fbff 100%);
    background-size: 48px 48px, 48px 48px, 100% 100%, 100% 100%, 100% 100%;
}

.home-page .hero-section::before { opacity: 0.45; }
.home-page .hero-intro h1 { font-weight: 750; letter-spacing: 0.025em; }
.home-page .hero-intro .hero-desc { color: #52627a; }
.home-page .home-action-hint { color: #64748b; font-weight: 400; }
.home-page .home-action-hint::before,
.home-page .home-action-hint::after { opacity: 0.6; }

.home-page .home-search-box {
    border-radius: 14px;
    border-color: rgba(96, 165, 250, 0.3);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.025), 0 12px 30px rgba(37, 99, 235, 0.055);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.home-page .home-search-box:focus-within {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12), 0 12px 30px rgba(37, 99, 235, 0.055);
}

.home-page .home-search-box button[type="submit"] {
    border-radius: 9px;
    font-weight: 600;
    box-shadow: 0 3px 8px rgba(37, 99, 235, 0.14);
}

.home-page .home-action-card {
    border-radius: 14px;
    border-color: rgba(148, 163, 184, 0.24);
    background: linear-gradient(160deg, #ffffff, rgba(248, 251, 255, 0.97));
    box-shadow: 0 2px 4px rgba(15, 23, 42, 0.015), 0 6px 18px rgba(37, 99, 235, 0.035);
}

.home-page .home-action-card.featured {
    border-color: rgba(96, 165, 250, 0.55);
    background: linear-gradient(135deg, #ffffff 15%, #eff6ff 100%);
    box-shadow: 0 3px 8px rgba(37, 99, 235, 0.035), 0 8px 22px rgba(37, 99, 235, 0.055);
}

/* 去掉卡面网格、角线和光斑，保留原有鼠标聚焦放大和说明气泡。 */
.home-page .home-action-card::before,
.home-page .home-action-card::after,
.home-page .home-action-icon::before,
.home-page .home-action-icon::after { content: none; }

.home-page .home-action-icon {
    border-radius: 12px;
    border-color: transparent;
    background: linear-gradient(135deg, var(--icon-soft-a), var(--icon-soft-b));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.home-page .home-action-icon i {
    background: none;
    color: var(--icon-a);
    -webkit-text-fill-color: var(--icon-a);
    filter: none;
}

.home-page .home-action-copy strong { font-weight: 650; }
.home-page .home-action-copy small { color: #64748b; }

.home-page .home-action-card.featured .home-action-icon,
.home-page .home-action-card.is-watch-focus .home-action-icon {
    border-color: transparent;
    background: linear-gradient(135deg, var(--icon-a), var(--icon-b));
    box-shadow: 0 4px 10px var(--icon-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.home-page .home-action-card.featured .home-action-icon i,
.home-page .home-action-card.is-watch-focus .home-action-icon i {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
    filter: none;
}

.home-page .home-action-card:hover,
.home-page .home-action-card:focus-visible,
.home-page .home-action-card.is-watch-focus {
    border-color: rgba(96, 165, 250, 0.7);
    background: linear-gradient(160deg, #ffffff, #eff6ff);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.045), 0 14px 30px rgba(37, 99, 235, 0.1);
}

.home-page .home-action-panel.is-watch-active .home-action-card:not(.is-watch-focus) {
    box-shadow: 0 3px 12px rgba(37, 99, 235, 0.025);
}

.home-page .home-action-card:hover .home-action-icon,
.home-page .home-action-card:focus-visible .home-action-icon {
    box-shadow: 0 4px 12px var(--icon-glow);
}

.home-page .home-action-detail {
    border-radius: 12px;
    border-color: rgba(148, 163, 184, 0.22);
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
}

.home-page .home-metric-panel {
    border-radius: 14px;
    border-color: rgba(148, 163, 184, 0.22);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.03);
}

.home-page .home-metric-head { font-weight: 600; }
.home-page .home-metric-head small {
    border-color: rgba(6, 182, 212, 0.13);
    background: rgba(236, 254, 255, 0.72);
    font-weight: 500;
}

.home-page .home-metric-item {
    border-radius: 10px;
    border-color: rgba(203, 213, 225, 0.4);
    background: rgba(248, 251, 255, 0.8);
}

.home-page .home-metric-item i {
    border-radius: 9px;
    background: rgba(219, 234, 254, 0.55);
}

.home-page .home-metric-item strong { color: #1e293b; font-weight: 700; font-variant-numeric: tabular-nums; }
.home-page .home-metric-item small { font-weight: 500; }
.home-page .footer { box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05); }

@media (max-width: 520px) {
    .home-page .home-action-card { border-radius: 12px; }
    .home-page .home-action-icon { border-radius: 9px; }
}

@media (prefers-reduced-motion: reduce) {
    .home-page .home-search-box { transition: none; }
}