/* Support page（顶部留白由 main.js 按 header + warning-banner 高度统一设置） */
.support-page {
    padding-top: 0;
    padding-bottom: 4rem;
    background: var(--color-surface);
}

/* Support link in header: underline when current page */
.header .menu__list a.menu__link--current {
    border-bottom: 1px solid currentColor;
    padding-bottom: 2px;
}

/* Checkered / grid pattern background */
.support-hero--pattern,
.support-media--pattern {
    background-color: var(--color-surface);
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Hero section */
.support-hero {
    padding: 4rem 0;
    text-align: center;
}

.support-hero__inner {
    max-width: 720px;
    margin: 0 auto;
}

.support-hero__title {
    font-size: var(--font-size-32);
    font-weight: 400;
    color: var(--color-surface-dark);
    margin: 0 0 1.5rem;
    line-height: 1.3;
}

.support-hero__desc {
    font-size: var(--font-size-16);
    color: var(--color-surface-dark);
    opacity: 0.85;
    line-height: 1.6;
    margin: 0 0 2rem;
}

.support-hero__btn {
    display: inline-block;
}

/* FAQ section */
.support-faq {
    padding: 3rem 0 4rem;
}

.support-faq__inner {
    max-width: 800px;
    margin: 0 auto;
}

.support-faq__title {
    font-size: var(--font-size-32);
    font-weight: 400;
    color: var(--color-surface-dark);
    margin: 0 0 2rem;
}

/* Accordion */
.support-accordion {
    border-top: 1px solid rgba(24, 24, 24, 0.15);
}

.support-accordion__item {
    border-bottom: 1px solid rgba(24, 24, 24, 0.15);
}

.support-accordion__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.25rem 0;
    font-size: var(--font-size-16);
    font-weight: 500;
    color: var(--color-surface-dark);
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: color 0.2s ease;
}

.support-accordion__trigger:hover {
    color: var(--color-primary);
}

.support-accordion__icon {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
    margin-left: 1rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.25s ease;
}

/* Open: chevron points down */
.support-accordion__item--open .support-accordion__icon {
    transform: rotate(-135deg);
}

.support-accordion__panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.support-accordion__item--open .support-accordion__panel {
    max-height: 320px;
}

.support-accordion__panel p {
    margin: 0 0 1.25rem;
    padding: 0 0 1rem;
    font-size: var(--font-size-14);
    color: var(--color-surface-dark);
    opacity: 0.85;
    line-height: 1.6;
}

/* Media Kit section */
.support-media {
    padding: 4rem 0;
}

.support-media__inner {
    max-width: 720px;
    margin: 0 auto;
}

.support-media__title {
    font-size: var(--font-size-32);
    font-weight: 400;
    color: var(--color-surface-dark);
    margin: 0 0 1rem;
}

.support-media__desc {
    font-size: var(--font-size-16);
    color: var(--color-surface-dark);
    opacity: 0.85;
    line-height: 1.6;
    margin: 0 0 1.5rem;
}

.support-media__btn {
    display: inline-block;
}

@media (max-width: 560px) {
    .support-page {
        padding-top: 0;
    }

    .support-hero__title,
    .support-faq__title,
    .support-media__title {
        font-size: var(--font-size-24);
    }
}