/**
 * 语法书落地页（index.php）等：与全站主题黄 #eab308 一致。
 * Tailwind 仍负责版式类；此处保证主按钮在缺省/悬停下均有正确底色。
 */
.gb-btn-start.gb-btn-start--link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 0.875rem 2.5rem;
    border-radius: 9999px;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.25;
    color: #fff;
    background-color: #eab308;
    text-decoration: none;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
    transition:
        background-color 0.15s ease,
        transform 0.1s ease,
        box-shadow 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}

.gb-btn-start.gb-btn-start--link:hover {
    background-color: #ca8a04;
    color: #fff;
}

/* 全站 body a:hover { color: #eab308 !important } 会盖掉白字，此处收回 */
body.page-bg a.gb-btn-start.gb-btn-start--link:hover {
    color: #fff !important;
}

.gb-btn-start.gb-btn-start--link:active {
    transform: scale(0.99);
}

.gb-btn-start.gb-btn-start--link:focus-visible {
    outline: 2px solid #eab308;
    outline-offset: 3px;
}

.gb-btn-start.gb-btn-start--link .ri-arrow-right-line {
    font-size: 1.25rem;
    line-height: 1;
}

@media (min-width: 640px) {
    .gb-btn-start.gb-btn-start--link {
        margin-top: 2.5rem;
        padding-left: 3rem;
        padding-right: 3rem;
        font-size: 1.125rem;
    }
}