.dq-floating-contact {
    --dq-contact-group: var(--dq-primary, #0b77d8);
    --dq-contact-phone: var(--dq-primary, #0b77d8);
    --dq-contact-zalo: #0877f9;
    --dq-contact-surface: #fff;
    --dq-contact-shadow: 0 12px 32px rgba(19, 42, 67, .16);
    z-index: 60;
    font-family: var(--dq-font, Arial, sans-serif);
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    flex-direction: row;
}

.dq-floating-contact,
.dq-floating-contact * { box-sizing: border-box; }

.dq-floating-contact .dq-floating-contact__item {
    --dq-active-color: var(--dq-contact-item, var(--dq-contact-group));
    display: flex;
    align-items: center;
    width: auto;
    height: auto;
    border-radius: 0;
    background: transparent;
    color: inherit;
    box-shadow: none;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

.dq-floating-contact .dq-floating-contact__item--phone { --dq-active-color: var(--dq-contact-item, var(--dq-contact-phone)); }
.dq-floating-contact .dq-floating-contact__item--zalo { --dq-active-color: var(--dq-contact-item, var(--dq-contact-zalo)); }
.dq-floating-contact__icon { display: grid; place-items: center; flex: 0 0 auto; }
.dq-floating-contact__icon svg, .dq-floating-contact__icon img { width: 28px; height: 28px; object-fit: contain; }
.dq-floating-contact__zalo { font-size: 14px; font-weight: 800; letter-spacing: -.5px; }
.dq-floating-contact__copy { min-width: 0; }
.dq-floating-contact__copy small, .dq-floating-contact__copy strong { display: block; }
.dq-floating-contact__copy small { font-size: 11px; font-weight: 700; line-height: 1.15; }
.dq-floating-contact__copy strong { font-size: 14px; line-height: 1.2; }
.dq-floating-contact__item:focus-visible, .dq-floating-contact__toggle:focus-visible { outline: 3px solid #111; outline-offset: 3px; }

/* Existing presets. */
.dq-floating-contact--compact,
.dq-floating-contact--pills {
    position: fixed;
    right: max(12px, env(safe-area-inset-right));
    bottom: calc(72px + env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    gap: 9px;
    max-height: calc(100dvh - 150px);
    overflow-y: auto;
    padding: 8px;
    border: 1px solid #e3e9ed;
    border-radius: 34px;
    background: var(--dq-contact-surface);
    box-shadow: var(--dq-contact-shadow);
}

.dq-floating-contact--compact .dq-floating-contact__item {
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 58px;
    min-height: 62px;
    padding: 6px 3px;
    border-radius: 26px;
    background: var(--dq-active-color);
    color: #fff;
}

.dq-floating-contact--compact .dq-floating-contact__copy small { display: none; }
.dq-floating-contact--compact .dq-floating-contact__copy strong { max-width: 52px; font-size: 10px; text-align: center; overflow-wrap: anywhere; }
.dq-floating-contact--pills { padding: 12px; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.dq-floating-contact--pills .dq-floating-contact__item {
    gap: 9px;
    width: 138px;
    min-height: 48px;
    padding: 9px 13px;
    border: 1px solid color-mix(in srgb, var(--dq-active-color) 18%, white);
    border-radius: 25px;
    background: color-mix(in srgb, var(--dq-active-color) 6%, white);
    color: #173e61;
    box-shadow: 0 5px 14px rgba(23, 62, 97, .1);
}
.dq-floating-contact--pills .dq-floating-contact__item--phone { background: var(--dq-active-color); color: #fff; }
.dq-floating-contact--pills .dq-floating-contact__icon { color: var(--dq-active-color); }
.dq-floating-contact--pills .dq-floating-contact__item--phone .dq-floating-contact__icon { color: inherit; }
.dq-floating-contact--pills .dq-floating-contact__copy small { display: none; }

/* Mẫu 1: thẻ dọc giống ảnh tham chiếu. */
.dq-floating-contact--side_card {
    position: fixed;
    right: max(12px, env(safe-area-inset-right));
    top: 50%;
    display: flex;
    flex-direction: column;
    width: 110px;
    padding: 15px 8px;
    border: 1px solid color-mix(in srgb, var(--dq-contact-group) 22%, white);
    border-radius: 13px;
    background: var(--dq-contact-surface);
    box-shadow: var(--dq-contact-shadow);
    transform: translateY(-50%);
}
.dq-floating-contact--side_card .dq-floating-contact__item { flex-direction: column; gap: 6px; padding: 10px 2px; text-align: center; }
.dq-floating-contact--side_card .dq-floating-contact__icon { width: 52px; height: 52px; border-radius: 50%; background: var(--dq-active-color); color: #fff; }
.dq-floating-contact--side_card .dq-floating-contact__icon svg { width: 34px; height: 34px; }
.dq-floating-contact--side_card .dq-floating-contact__item--contact .dq-floating-contact__icon,
.dq-floating-contact--side_card .dq-floating-contact__item--chat .dq-floating-contact__icon { background: transparent; color: #53636d; }
.dq-floating-contact--side_card .dq-floating-contact__copy small { display: none; }
.dq-floating-contact--side_card .dq-floating-contact__copy strong { color: #52605f; font-size: 13px; font-weight: 600; }

/* Mẫu 2: thanh CTA ba nút dưới cùng. */
.dq-floating-contact--action_bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 72px;
    padding: 9px max(14px, env(safe-area-inset-right)) calc(9px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
    background: var(--dq-contact-group);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, .13);
}
.dq-floating-contact--action_bar .dq-floating-contact__item {
    gap: 12px;
    width: min(240px, 29vw);
    min-height: 52px;
    padding: 4px 20px 4px 5px;
    border-radius: 999px;
    background: var(--dq-active-color);
    color: #fff;
}
.dq-floating-contact--action_bar .dq-floating-contact__icon { width: 46px; height: 46px; border: 4px solid #fff; border-radius: 50%; box-shadow: inset 0 0 0 2px rgba(255,255,255,.7); }
.dq-floating-contact--action_bar .dq-floating-contact__icon svg { width: 26px; height: 26px; }
.dq-floating-contact--action_bar .dq-floating-contact__copy { flex: 1; text-align: center; }
.dq-floating-contact--action_bar .dq-floating-contact__copy small { text-transform: none; }
.dq-floating-contact--action_bar .dq-floating-contact__copy strong { font-size: 21px; }
.dq-floating-contact--action_bar .dq-floating-contact__item--contact { --dq-active-color: var(--dq-contact-phone); }
.dq-contact-style-action_bar .dq-main { padding-bottom: 72px; }

/* Mẫu 3: hai viên ngang Zalo và hotline. */
.dq-floating-contact--dual_pills {
    position: fixed;
    right: max(16px, env(safe-area-inset-right));
    bottom: calc(16px + env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.dq-floating-contact--dual_pills .dq-floating-contact__item {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    gap: 10px;
    width: 196px;
    min-height: 50px;
    padding: 4px 14px 4px 4px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    background: linear-gradient(120deg, color-mix(in srgb, var(--dq-active-color) 92%, #fff), var(--dq-active-color));
    color: #fff;
    box-shadow: 0 8px 20px color-mix(in srgb, var(--dq-active-color) 24%, transparent);
    animation: dq-contact-enter .48s cubic-bezier(.2,.75,.25,1) both;
}
.dq-floating-contact--dual_pills .dq-floating-contact__item:nth-child(2) { animation-delay: .08s; }
.dq-floating-contact--dual_pills .dq-floating-contact__item::before { content: ""; position: absolute; z-index: -1; top: -80%; bottom: -80%; left: -35%; width: 24%; background: rgba(255,255,255,.2); transform: rotate(18deg); transition: left .48s ease; }
.dq-floating-contact--dual_pills .dq-floating-contact__icon {
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .16);
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.22);
    animation: dq-contact-breathe 3.2s ease-in-out infinite;
}
.dq-floating-contact--dual_pills .dq-floating-contact__icon svg { width: 23px; height: 23px; }
.dq-floating-contact--dual_pills .dq-floating-contact__copy { flex: 1; text-align: left; }
.dq-floating-contact--dual_pills .dq-floating-contact__copy small { margin-bottom: 2px; font-size: 9px; font-weight: 750; letter-spacing: .055em; text-transform: uppercase; opacity: .78; }
.dq-floating-contact--dual_pills .dq-floating-contact__copy strong { font-size: 14px; font-weight: 800; letter-spacing: 0; }
.dq-floating-contact--dual_pills .dq-floating-contact__zalo { font-size: 12px; letter-spacing: -.02em; }

@keyframes dq-contact-pulse {
    0% { opacity: .55; transform: scale(.86); }
    70%, 100% { opacity: 0; transform: scale(1.22); }
}

@keyframes dq-contact-enter {
    from { opacity: 0; transform: translateX(18px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes dq-contact-breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.055); }
}

/* Mẫu 4: dải liên hệ nằm trong header. */
.dq-floating-contact--header_strip {
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 14px;
    padding: 11px max(16px, calc((100% - var(--dq-container, 1200px)) / 2));
    border-top: 1px solid #e0edf4;
    border-bottom: 1px solid #d7e8f1;
    background: var(--dq-contact-surface);
    overflow-x: auto;
}
.dq-floating-contact--header_strip .dq-floating-contact__item {
    gap: 12px;
    flex: 0 1 290px;
    min-width: 230px;
    min-height: 54px;
    padding: 6px 20px;
    border: 1px solid #c8ddea;
    border-radius: 999px;
    color: #244462;
}
.dq-floating-contact--header_strip .dq-floating-contact__icon { width: 38px; height: 38px; border-radius: 50%; background: var(--dq-active-color); color: #fff; box-shadow: 0 3px 8px color-mix(in srgb, var(--dq-active-color) 32%, transparent); }
.dq-floating-contact--header_strip .dq-floating-contact__icon svg { width: 20px; height: 20px; }
.dq-floating-contact--header_strip .dq-floating-contact__copy small { display: none; }
.dq-floating-contact--header_strip .dq-floating-contact__copy strong { font-size: 14px; white-space: nowrap; }

/* Mẫu 5: nút hỗ trợ mở bảng liên hệ. */
.dq-floating-contact--support_panel { position: fixed; right: max(18px, env(safe-area-inset-right)); bottom: calc(18px + env(safe-area-inset-bottom)); }
.dq-floating-contact__toggle {
    display: grid;
    place-items: center;
    width: 68px;
    height: 68px;
    margin-left: auto;
    border: 0;
    border-radius: 50% 50% 0 50%;
    background: var(--dq-contact-group);
    color: #fff;
    box-shadow: var(--dq-contact-shadow);
    cursor: pointer;
}
.dq-floating-contact__toggle svg { width: 28px; height: 28px; }
.dq-floating-contact__toggle span { font-size: 11px; font-weight: 750; }
.dq-floating-contact__panel {
    position: absolute;
    right: 0;
    bottom: 82px;
    width: min(375px, calc(100vw - 28px));
    padding: 20px;
    border: 1px solid #d9dfe2;
    background: var(--dq-contact-surface);
    box-shadow: 0 10px 28px rgba(0,0,0,.2);
}
.dq-floating-contact__panel[hidden] { display: none; }
.dq-floating-contact__panel h2 { margin: 0 0 10px; padding-bottom: 14px; border-bottom: 1px solid #e6e8ea; color: var(--dq-contact-group); font-size: 18px; }
.dq-floating-contact__panel .dq-floating-contact__item { gap: 14px; min-height: 58px; border-bottom: 1px solid #e6e8ea; color: var(--dq-contact-group); }
.dq-floating-contact__panel .dq-floating-contact__icon { width: 30px; color: var(--dq-active-color); }
.dq-floating-contact__panel .dq-floating-contact__copy small { display: none; }
.dq-floating-contact__panel .dq-floating-contact__copy strong { font-size: 17px; font-weight: 500; }

@media (hover: hover) and (pointer: fine) {
    .dq-floating-contact__item { transition: transform .18s ease, filter .18s ease, box-shadow .18s ease; }
    .dq-floating-contact__item:hover { transform: translateY(-2px); filter: brightness(1.04); }
    .dq-floating-contact--dual_pills .dq-floating-contact__item:hover::before { left: 118%; }
    .dq-floating-contact--side_card .dq-floating-contact__item:hover { transform: scale(1.03); }
}

@media (max-width: 767px) {
    .dq-floating-contact--compact, .dq-floating-contact--pills { right: 7px; bottom: calc(68px + env(safe-area-inset-bottom)); padding: 5px; gap: 6px; }
    .dq-floating-contact--compact .dq-floating-contact__item, .dq-floating-contact--pills .dq-floating-contact__item { flex-direction: column; justify-content: center; gap: 3px; width: 50px; min-height: 54px; padding: 5px 2px; border-radius: 18px; }
    .dq-floating-contact--pills .dq-floating-contact__copy small { display: none; }
    .dq-floating-contact--pills .dq-floating-contact__copy strong { max-width: 46px; font-size: 9px; text-align: center; overflow-wrap: anywhere; }
    .dq-floating-contact--side_card { right: 6px; width: 86px; padding: 9px 5px; }
    .dq-floating-contact--side_card .dq-floating-contact__icon { width: 42px; height: 42px; }
    .dq-floating-contact--side_card .dq-floating-contact__icon svg { width: 27px; height: 27px; }
    .dq-floating-contact--side_card .dq-floating-contact__copy strong { max-width: 74px; font-size: 11px; overflow-wrap: anywhere; }
    .dq-floating-contact--action_bar { gap: 5px; min-height: 62px; padding: 7px 5px calc(7px + env(safe-area-inset-bottom)); }
    .dq-floating-contact--action_bar .dq-floating-contact__item { justify-content: center; gap: 5px; width: 33%; min-height: 46px; padding: 4px 6px 4px 3px; }
    .dq-floating-contact--action_bar .dq-floating-contact__icon { width: 38px; height: 38px; border-width: 3px; }
    .dq-floating-contact--action_bar .dq-floating-contact__copy small { display: none; }
    .dq-floating-contact--action_bar .dq-floating-contact__copy strong { font-size: 12px; }
    .dq-contact-style-action_bar .dq-main { padding-bottom: 62px; }
    .dq-floating-contact--dual_pills { left: 7px; right: 7px; bottom: calc(7px + env(safe-area-inset-bottom)); gap: 5px; transform: none; }
    .dq-floating-contact--dual_pills { flex-direction: row; padding: 0; border-radius: 0; }
    .dq-floating-contact--dual_pills .dq-floating-contact__item { flex: 1; width: auto; min-width: 0; min-height: 46px; padding: 4px 7px 4px 4px; }
    .dq-floating-contact--dual_pills .dq-floating-contact__icon { width: 36px; height: 36px; }
    .dq-floating-contact--dual_pills .dq-floating-contact__icon svg { width: 21px; height: 21px; }
    .dq-floating-contact--dual_pills .dq-floating-contact__copy small { display: none; }
    .dq-floating-contact--dual_pills .dq-floating-contact__copy strong { font-size: 12px; white-space: nowrap; }
    .dq-contact-style-dual_pills .dq-main { padding-bottom: 66px; }
    .dq-floating-contact--header_strip { justify-content: flex-start; padding: 8px 10px; }
    .dq-floating-contact--header_strip .dq-floating-contact__item { flex-basis: auto; min-width: max-content; min-height: 46px; padding: 5px 13px; }
    .dq-floating-contact--header_strip .dq-floating-contact__icon { width: 34px; height: 34px; }
    .dq-floating-contact--support_panel { right: 10px; bottom: calc(12px + env(safe-area-inset-bottom)); }
    .dq-floating-contact__toggle { width: 60px; height: 60px; }
    .dq-floating-contact__panel { bottom: 72px; padding: 16px; }
}

@media (max-height: 500px) {
    .dq-floating-contact--side_card { top: auto; bottom: 5px; flex-direction: row; width: auto; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    .dq-floating-contact__item { transition: none; }
    .dq-floating-contact--dual_pills .dq-floating-contact__item,
    .dq-floating-contact--dual_pills .dq-floating-contact__icon { animation: none; }
    .dq-floating-contact--dual_pills .dq-floating-contact__item::before { transition: none; }
}

@media print {
    .dq-floating-contact { display: none !important; }
}