/* ===== Hero 区 ===== */
        .home-hero {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            padding: 2.2rem 1rem 1.4rem;
            flex-wrap: wrap;
        }
        .home-hero .hero-logo {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            border: 2px solid var(--fg);
            object-fit: cover;
            background: var(--bg);
            flex-shrink: 0;
        }
        .home-hero .hero-text {
            text-align: left;
        }
        .home-hero h1 {
            font-size: 2.2rem;
            letter-spacing: 4px;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .home-hero .tagline {
            color: var(--muted);
            font-size: 0.95rem;
            letter-spacing: 2px;
        }
        .home-hero .hero-lead {
            width: 100%;
            text-align: center;
            color: var(--muted);
            font-size: 0.85rem;
            margin-top: 0.6rem;
            letter-spacing: 1px;
        }
        .home-hero .contact-link {
            color: var(--fg);
            text-decoration: none;
            border-bottom: 1px dotted var(--muted);
            transition: color 0.2s, border-color 0.2s;
        }
        .home-hero .contact-link:hover {
            color: var(--muted);
            border-bottom-color: var(--fg);
        }

        /* ===== 区块 ===== */
        .home-section {
            max-width: 720px;
            margin: 0 auto 1.6rem;
            padding: 0 1rem;
        }
        .home-section-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 1rem;
            font-weight: bold;
            letter-spacing: 2px;
        }
        .home-section-title .sec-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border: 1.5px solid var(--fg);
            border-radius: 50%;
            font-size: 0.75rem;
            font-weight: bold;
            flex-shrink: 0;
        }
        .home-section-title .sec-line {
            flex: 1;
            height: 1px;
            background: var(--light-border);
        }
        .home-section-title .sec-en {
            color: var(--muted);
            font-size: 0.7rem;
            font-weight: normal;
            letter-spacing: 1px;
        }

        .home-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 12px;
        }
        .home-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--fg);
            border-radius: 8px;
            padding: 18px 12px;
            text-decoration: none;
            color: var(--fg);
            transition: all 0.25s ease;
            min-height: 88px;
            position: relative;
        }
        .home-card:hover {
            background: var(--fg);
            color: var(--bg);
        }
        .home-card .card-icon {
            font-size: 1.6rem;
            margin-bottom: 6px;
        }
        .home-card .card-title {
            font-size: 0.95rem;
            font-weight: bold;
            letter-spacing: 1px;
        }
        .home-card .card-sub {
            font-size: 0.72rem;
            color: var(--muted);
            margin-top: 3px;
        }
        .home-card:hover .card-sub {
            color: var(--light-border);
        }

        /* ===== 页脚品牌 ===== */
        .home-footer-brand {
            text-align: center;
            padding: 1.6rem 1rem 0.6rem;
            margin-top: 1rem;
            border-top: 1px solid var(--light-border);
        }
        .home-footer-brand img {
            width: 120px;
            height: auto;
            opacity: 0.9;
        }

        @media (max-width: 480px) {
            .home-hero { gap: 12px; padding: 1.6rem 1rem 1rem; }
            .home-hero .hero-logo { width: 56px; height: 56px; }
            .home-hero h1 { font-size: 1.7rem; letter-spacing: 3px; }
            .home-hero .tagline { font-size: 0.82rem; }
            .home-hero .hero-lead { font-size: 0.7rem; letter-spacing: 0.5px; line-height: 1.5; }
            .home-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
            .home-card { padding: 12px 6px; min-height: 74px; }
            .home-card .card-icon { font-size: 1.3rem; }
            .home-card .card-title { font-size: 0.82rem; }
            .home-card .card-sub { font-size: 0.66rem; }
            .home-section { margin-bottom: 1.2rem; }
            .home-section-title { font-size: 0.9rem; letter-spacing: 1px; }
        }