/* ===== SUPPORT HERO ===== */
.support-hero {
    position: relative;
    width: 100%;
    min-height: 400px;
    background: var(--slate-900);
    display: flex;
    align-items: center;
    padding: 56px 24px 72px;
    overflow: hidden;
}

.support-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(0, 104, 204, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.support-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.support-hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(4px);
    padding: 4px 18px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.70);
    border: 1px solid rgba(255, 255, 255, 0.06);
    width: fit-content;
}

.support-hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1.08;
    max-width: 700px;
}

.support-hero h1 .highlight {
    color: var(--blue-500);
}

.support-hero p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.65);
    max-width: 600px;
    line-height: 1.7;
    margin-top: 2px;
}

/* ===== SUPPORT CARDS ===== */
.support-cards {
    padding: 72px 24px 80px;
    background: var(--white);
}

.support-cards-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.support-cards-header {
    text-align: center;
    margin-bottom: 48px;
}

.support-cards-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 8px;
}

.support-cards-header p {
    font-size: 15px;
    color: var(--slate-600);
    max-width: 600px;
    margin: 0 auto;
}

/* 网格：每行 2 个 */
.support-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.support-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 14px;
    padding: 40px 28px 36px;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    position: relative;
}

.support-card:hover {
    border-color: var(--blue-500);
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    background: var(--white);
}

.support-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 104, 204, 0.08);
    color: var(--blue-500);
    font-size: 32px;
    margin-bottom: 16px;
    transition: background 0.3s ease, color 0.3s ease;
}

.support-card:hover .support-card-icon {
    background: var(--blue-500);
    color: var(--white);
}

.support-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 8px;
}

.support-card-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--slate-600);
    margin: 0 0 16px 0;
}

.support-card-arrow {
    display: inline-flex;
    align-items: center;
    color: var(--blue-500);
    font-size: 18px;
    transition: transform 0.25s ease;
}

.support-card:hover .support-card-arrow {
    transform: translateX(6px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .support-hero h1 {
        font-size: 38px;
    }
    .support-hero p {
        font-size: 16px;
    }
}

@media (max-width: 820px) {
    .support-grid {
        gap: 24px;
    }
    .support-card {
        padding: 32px 20px 28px;
    }
}

@media (max-width: 768px) {
    .support-hero {
        min-height: 300px;
        padding: 40px 20px 56px;
    }
    .support-hero h1 {
        font-size: 30px;
    }
    .support-hero p {
        font-size: 15px;
    }
    .support-cards {
        padding: 52px 16px 56px;
    }
    .support-cards-header h2 {
        font-size: 28px;
    }
    .support-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .support-card {
        padding: 28px 16px 24px;
    }
    .support-card-icon {
        width: 60px;
        height: 60px;
        font-size: 26px;
    }
    .support-card-title {
        font-size: 19px;
    }
    .support-card-desc {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .support-hero {
        min-height: 260px;
        padding: 32px 16px 40px;
    }
    .support-hero h1 {
        font-size: 24px;
    }
    .support-hero p {
        font-size: 14px;
    }
    .support-cards {
        padding: 36px 16px 48px;
    }
    .support-cards-header h2 {
        font-size: 24px;
    }
    .support-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        max-width: 400px;
        margin: 0 auto;
    }
    .support-card {
        padding: 24px 16px 20px;
    }
    .support-card-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
    .support-card-title {
        font-size: 18px;
    }
}

@media (max-width: 360px) {
    .support-hero h1 {
        font-size: 20px;
    }
}