.product-brochure-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4em;
    white-space: nowrap;
}
.product-brochure-button::before {
    content: "";
    display: inline-block;
    flex: 0 0 auto;
    width: 1em;
    height: .8em;
    border: 1px solid currentColor;
    border-radius: 2px;
    background: linear-gradient(currentColor, currentColor) center / 1px 100% no-repeat;
}
.product-brochure-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 64px;
    padding: 12px 28px;
    background: #fff;
    color: #17324e;
    font: 16px/1.5 "Microsoft YaHei", Arial, sans-serif;
    border-bottom: 1px solid #e3eaf1;
}
.product-brochure-bar .product-brochure-button {
    flex-shrink: 0;
    font-size: 14px;
    color: #0059ab;
}
.product-brochure-bar + #fullpage { margin-top: 0; }
.product-brochure-modal,
.product-brochure-modal * {
    box-sizing: border-box;
}
.product-brochure-modal {
    position: fixed;
    inset: 0;
    width: 96vw;
    height: 94vh;
    height: 94dvh;
    max-width: none;
    max-height: none;
    margin: auto;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: 12px;
    background: #18212d;
    color: #172d46;
    box-shadow: 0 20px 80px #0007;
    z-index: 2147483000;
}
.product-brochure-modal::backdrop {
    background: rgb(8 18 32 / 72%);
}
.product-brochure-panel {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #18212d;
}
.product-brochure-header {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 48px;
    padding: 6px 10px 6px 20px;
    background: #f5f7fa;
    border-bottom: 1px solid #d8e0e8;
    font-family: Arial, "Microsoft YaHei", sans-serif;
}
.product-brochure-title {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    color: #172d46;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.product-brochure-close {
    display: inline-flex;
    flex: 0 0 36px;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #34475b;
    font-family: Arial, sans-serif;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}
.product-brochure-close:hover {
    background: #e2e8ef;
}
.product-brochure-close:focus-visible {
    outline: 2px solid #0562bb;
    outline-offset: 1px;
}
.product-brochure-frame {
    display: block;
    flex: 1 1 auto;
    width: 100%;
    min-height: 0;
    border: 0;
    background: #18212d;
}
.product-brochure-modal--fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 0;
    background: rgb(8 18 32 / 72%);
}
.product-brochure-modal--fallback .product-brochure-panel {
    width: 96vw;
    height: 94vh;
    height: 94dvh;
    border-radius: 12px;
    box-shadow: 0 20px 80px #0007;
}
@media (max-width: 600px) {
    .product-brochure-modal,
    .product-brochure-modal--fallback .product-brochure-panel {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
    .product-brochure-header {
        padding-left: 12px;
        padding-top: max(6px, env(safe-area-inset-top));
        padding-right: max(10px, env(safe-area-inset-right));
    }
    .product-brochure-title {
        font-size: 14px;
    }
}