.snc-sponsor-partners {
    margin: 22px 0;
    padding: 18px;
    background: var(--main-bg-color, #fff);
    border: 1px solid rgba(120, 130, 145, .16);
    border-radius: 8px;
}

.snc-sponsor-partners-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.snc-sponsor-partners-head h3 {
    margin: 0;
    font-size: 17px;
}

.snc-sponsor-partners-head a {
    color: #2878ff;
    font-size: 13px;
    white-space: nowrap;
}

.snc-sponsor-partners-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.snc-sponsor-partner {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 10px;
    padding: 10px;
    color: inherit;
    background: rgba(128, 138, 150, .07);
    border-radius: 6px;
    text-decoration: none;
}

.snc-sponsor-partner:hover {
    color: #2878ff;
    background: rgba(40, 120, 255, .08);
}

.snc-sponsor-partner img {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border-radius: 50%;
    object-fit: cover;
}

.snc-sponsor-partner span {
    min-width: 0;
}

.snc-sponsor-partner strong,
.snc-sponsor-partner small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.snc-sponsor-partner strong {
    font-size: 14px;
}

.snc-sponsor-partner small {
    margin-top: 3px;
    color: #89919d;
    font-size: 12px;
}

.snc-sponsor-partners.is-compact .snc-sponsor-partners-grid {
    display: block;
}

.snc-sponsor-partners.is-compact {
    padding: 0;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
}

.io-sidebar-widget .snc-sponsor-partners.is-compact {
    margin: 0;
    border: 0;
    box-shadow: none;
}

.snc-sponsor-partners.is-compact .snc-sponsor-partners-head {
    margin: 0;
    padding: 14px 16px 10px;
}

.snc-sponsor-partners.is-compact .snc-sponsor-partner {
    padding: 10px 16px;
    background: transparent;
    border-top: .5px solid rgba(60, 60, 67, .08);
    border-radius: 0;
}

.snc-sponsor-partners.is-compact .snc-sponsor-partner:hover {
    background: rgba(40, 120, 255, .05);
}

.snc-sponsor-partner-amount {
    margin-left: auto;
    color: #ff3b30;
    font-size: 13px;
    white-space: nowrap;
}

/* Reference-style sponsor sidebar widget. */
.io-sidebar-widget:has(.e_sponsor-widget-ios) { padding: 0 !important; overflow: hidden; }
.e_sponsor-widget-ios { overflow: hidden; color: #1d1d1f; background: #fff; border-radius: 8px; }
.e_sponsor-widget-header { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 16px; border-bottom: 1px solid #eee; }
.e_sponsor-widget-header h3 { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 15px; font-weight: 700; letter-spacing: 0; }
.e_sponsor-widget-title-icon { display: inline-flex; width: 20px; height: 20px; align-items: center; justify-content: center; color: #ff9f0a; }
.e_sponsor-widget-title-icon svg { display: block; width: 100%; height: 100%; fill: currentColor; }
.e_sponsor-widget-title-icon { color: var(--theme-color, #ff9f0a); font-size: 15px; text-shadow: 2px 2px 3px rgba(220,65,75,.28); }
.e_sponsor-widget-header a { color: #007aff; font-size: 13px; font-weight: 500; white-space: nowrap; }
.e_sponsor-widget-list { padding: 8px 0; }
.e_sponsor-widget-item { display: flex; align-items: center; gap: 12px; min-width: 0; padding: 10px 16px; border-bottom: .5px solid rgba(60,60,67,.1); }
.e_sponsor-widget-item:last-child { border-bottom: 0; }
.e_sponsor-widget-item > img { width: 38px; height: 38px; flex: 0 0 38px; object-fit: cover; border-radius: 50%; background: #f2f2f7; }
.e_sponsor-widget-copy { flex: 1; min-width: 0; }
.e_sponsor-widget-copy a, .e_sponsor-widget-copy strong { display: block; overflow: hidden; color: #1d1d1f; font-size: 14px; font-weight: 600; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.e_sponsor-widget-copy span { display: block; overflow: hidden; margin-top: 2px; color: #8e8e93; font-size: 12px; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap; }
.e_sponsor-widget-item > b { flex: 0 0 auto; color: #ff3b30; font-size: 13px; font-weight: 600; white-space: nowrap; }

/* Homepage support banner. */
.popup-glass { position: fixed; z-index: 9998; right: 18px; bottom: 16px; left: 18px; margin: auto; max-width: 700px; opacity: 0; pointer-events: none; transform: translateY(130%); transition: transform .5s cubic-bezier(.22,.61,.36,1), opacity .35s ease; }
.popup-glass.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.popup-glass__box { position: relative; overflow: hidden; padding: 22px 48px 22px 24px; background: rgba(255,255,255,.95); border: 1px solid rgba(255,255,255,.55); border-radius: 22px; box-shadow: 0 24px 64px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.06); backdrop-filter: blur(20px); }
.popup-glass__box::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .35; background: rgba(247,248,252,.72); }
.popup-glass__inner, .popup-glass__left, .popup-glass__right { display: flex; align-items: center; }
.popup-glass__inner { justify-content: space-between; gap: 18px; }
.popup-glass__left { min-width: 0; gap: 15px; }
.popup-glass__icon { width: 50px; height: 50px; flex: 0 0 50px; overflow: hidden; background: #fff; border-radius: 50%; box-shadow: 0 6px 18px rgba(0,0,0,.1); }
.popup-glass__icon img { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; }
.popup-glass__title { overflow: hidden; margin: 0 0 4px; color: #171a2b; font-size: 17px; font-weight: 700; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap; letter-spacing: 0; }
.popup-glass__subtitle { margin: 0; color: #4a4a60; font-size: 14px; line-height: 1.45; }
.popup-glass__subtitle span { color: #d98d00; font-weight: 700; }
.popup-glass__right { flex: 0 0 auto; gap: 10px; }
.popup-glass__btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-width: 112px; height: 42px; padding: 0 16px; border: 1px solid rgba(0,0,0,.08); border-radius: 23px; font-size: 14px; font-weight: 700; white-space: nowrap; cursor: pointer; }
.popup-glass__btn--secondary { color: #202231; background: rgba(255,255,255,.9); box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.popup-glass__btn--primary { color: #fff !important; background: #4f6ef6; border-color: #4f6ef6; box-shadow: 0 8px 22px rgba(79,110,246,.32); }
.popup-glass__close { position: absolute; z-index: 2; top: 10px; right: 13px; width: 32px; height: 32px; padding: 0; color: #92959c; background: transparent; border: 0; font-size: 28px; line-height: 1; cursor: pointer; }
.snc-sponsor-qr-modal { position: fixed; z-index: 10001; inset: 0; display: none; align-items: center; justify-content: center; padding: 20px; background: rgba(0,0,0,.48); backdrop-filter: blur(8px); }
.snc-sponsor-qr-modal.is-visible { display: flex; }
.snc-sponsor-qr-dialog { width: min(340px,100%); padding: 28px; text-align: center; background: #fff; border-radius: 8px; box-shadow: 0 24px 70px rgba(0,0,0,.25); }
.snc-sponsor-qr-dialog img { width: 210px; max-width: 100%; height: auto; border-radius: 6px; }
.snc-sponsor-qr-dialog h3 { margin: 16px 0 4px; font-size: 19px; }
.snc-sponsor-qr-dialog p { margin: 0 0 18px; color: #777; font-size: 13px; }
.snc-sponsor-qr-dialog button { width: 100%; height: 42px; color: #333; background: #f2f3f5; border: 0; border-radius: 6px; }
body:has(.popup-glass.is-visible) .e_sponsor-floating-toast { bottom: 112px; }
.io-black-mode .e_sponsor-widget-ios, .io-black-mode .popup-glass__box, .io-black-mode .snc-sponsor-qr-dialog { color: #e7e9ed; background: rgba(38,40,45,.96); }
.io-black-mode .e_sponsor-widget-copy a, .io-black-mode .e_sponsor-widget-copy strong, .io-black-mode .popup-glass__title { color: #f2f3f5; }
@media (max-width: 768px) {
    .popup-glass { right: 8px; bottom: 10px; left: 8px; }
    .popup-glass__box { padding: 18px 38px 16px 16px; border-radius: 18px; }
    .popup-glass__inner { align-items: stretch; flex-direction: column; gap: 14px; }
    .popup-glass__left { gap: 12px; }
    .popup-glass__icon { width: 52px; height: 52px; flex-basis: 52px; padding: 5px; }
    .popup-glass__title { font-size: 17px; }
    .popup-glass__subtitle { font-size: 13px; }
    .popup-glass__right { width: 100%; gap: 8px; }
    .popup-glass__btn { flex: 1; min-width: 0; height: 44px; padding: 0 12px; font-size: 14px; }
    .popup-glass.is-visible ~ .e_sponsor-floating-toast { display: none; }
}

/* Sponsor page: match the compact, orange-accented reference layout. */
.sponsor-page {
    max-width: 1300px !important;
}

.sponsor-page .sponsor-notice {
    padding: 12px 16px;
    color: #6d5b20;
    background: #fff8dc;
    border: 1px solid #f2dfa0;
    border-radius: 8px;
}

.sponsor-page .sponsor-hero {
    padding: 24px !important;
    color: #1d1d1f !important;
    background: #fff !important;
    border: 1px solid rgba(60, 60, 67, .1);
    border-radius: 8px !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .04);
}

.sponsor-page .sponsor-hero h1 {
    color: #1d1d1f !important;
    font-size: 30px !important;
}

.sponsor-page .sponsor-hero-label {
    display: inline-block;
    margin-bottom: 8px;
    padding: 4px 9px;
    color: #ff7242;
    background: rgba(255, 114, 66, .1);
    border-radius: 5px;
    font-size: 12px;
    font-weight: 600;
}

.sponsor-page .sponsor-hero-btn-primary,
.sponsor-page .sponsor-submit-btn,
.sponsor-page .sponsor-amount-btn.selected {
    color: #fff !important;
    background: #ff7242 !important;
    border-color: #ff7242 !important;
    box-shadow: 0 5px 14px rgba(255, 114, 66, .24);
}

.sponsor-page .sponsor-hero-btn-secondary {
    color: #53565c !important;
    background: #f5f6f8 !important;
    border-color: #e5e7eb !important;
}

.sponsor-page .sponsor-carousel,
.sponsor-page .sponsor-ranking,
.sponsor-page .sponsor-list,
.sponsor-page .sponsor-thanks {
    background: #fff;
    border: 1px solid rgba(60, 60, 67, .1);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .04);
}

.sponsor-page .sponsor-carousel-back,
.sponsor-page .sponsor-ranking-badge {
    background: #ff7242 !important;
}

.sponsor-page .sponsor-ranking-card,
.sponsor-page .sponsor-list-item {
    border-radius: 8px !important;
}

.sponsor-page .sponsor-ranking-amount {
    color: #ff7242 !important;
}

.io-black-mode .sponsor-page .sponsor-hero,
.io-black-mode .sponsor-page .sponsor-carousel,
.io-black-mode .sponsor-page .sponsor-ranking,
.io-black-mode .sponsor-page .sponsor-list,
.io-black-mode .sponsor-page .sponsor-thanks {
    color: #e7e9ed !important;
    background: #25282d !important;
    border-color: rgba(255, 255, 255, .1);
}

.io-black-mode .sponsor-page .sponsor-hero h1 {
    color: #f5f6f8 !important;
}

.sponsor-modal-overlay {
    padding: 18px;
    background: rgba(15, 18, 24, .52) !important;
    backdrop-filter: blur(5px);
}

.sponsor-modal {
    width: min(520px, 100%) !important;
    max-height: calc(100vh - 36px);
    overflow-y: auto;
    background: #fff !important;
    border-radius: 8px !important;
    box-shadow: 0 22px 70px rgba(0, 0, 0, .22) !important;
}

.sponsor-modal-header {
    position: relative;
    display: block !important;
    padding: 22px 24px 16px !important;
    text-align: left;
    border-bottom: 0 !important;
}

.sponsor-modal-header h3 {
    margin: 0 42px 4px 0;
    color: #1d1d1f;
    font-size: 21px;
}

.sponsor-modal-header p {
    margin: 0;
    color: #8e8e93;
    font-size: 13px;
}

.sponsor-modal-close {
    top: 18px !important;
    right: 18px !important;
    width: 32px !important;
    height: 32px !important;
    color: #6b7078 !important;
    background: #f1f2f4 !important;
    border-radius: 50% !important;
    font-size: 20px !important;
    line-height: 30px !important;
}

.sponsor-modal-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    margin: 0 24px;
    padding: 4px;
    background: #f2f3f5;
    border-radius: 7px;
}

.sponsor-modal-tab {
    padding: 9px 12px !important;
    color: #747982 !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 5px !important;
    cursor: pointer;
    font-size: 14px;
}

.sponsor-modal-tab.active {
    color: #ff7242 !important;
    background: #fff !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .08);
}

.sponsor-modal-body {
    padding: 20px 24px 0 !important;
}

.sponsor-form-group {
    margin-bottom: 16px !important;
}

.sponsor-form-group label {
    display: block;
    margin-bottom: 7px;
    color: #34373c;
    font-size: 13px;
    font-weight: 600;
}

.sponsor-form-group label span {
    color: #ff3b30;
}

.sponsor-form-group input,
.sponsor-form-group textarea {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    color: #25282d;
    background: #fff;
    border: 1px solid #dfe2e7;
    border-radius: 6px;
    outline: none;
}

.sponsor-form-group input:focus,
.sponsor-form-group textarea:focus {
    border-color: #ff7242;
    box-shadow: 0 0 0 3px rgba(255, 114, 66, .1);
}

.sponsor-message-wrapper {
    display: flex;
    gap: 8px;
}

.sponsor-random-message {
    flex: 0 0 auto;
    padding: 0 13px;
    color: #ff7242;
    background: rgba(255, 114, 66, .08);
    border: 1px solid rgba(255, 114, 66, .22);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}

.sponsor-amounts {
    display: grid !important;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px !important;
}

.sponsor-amount-btn {
    min-width: 0 !important;
    padding: 10px 4px !important;
    color: #545960 !important;
    background: #f3f4f6 !important;
    border: 2px solid transparent !important;
    border-radius: 6px !important;
    font-weight: 600;
}

.sponsor-amount-btn.selected {
    color: #fff !important;
    background: #ff7242 !important;
    border-color: rgba(255, 255, 255, .4) !important;
}

.sponsor-anonymous-hint {
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 18px;
    color: #6f747c;
    background: #f7f8fa;
    border-radius: 7px;
    text-align: center;
}

.sponsor-anonymous-hint p {
    margin: 0;
    font-size: 13px;
}

.sponsor-anonymous-icon {
    color: #ff7242;
    font-size: 30px;
}

.sponsor-modal-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 22px -24px 0;
    padding: 16px 24px;
    border-top: 1px solid #eceef1;
}

.sponsor-cancel-btn,
.sponsor-submit-btn {
    min-height: 42px;
    padding: 10px 16px !important;
    border-radius: 6px !important;
    font-size: 14px !important;
    font-weight: 600;
    cursor: pointer;
}

.sponsor-cancel-btn {
    color: #5f646c;
    background: #f2f3f5;
    border: 1px solid #e4e6ea;
}

.io-black-mode .sponsor-modal,
.io-black-mode .sponsor-modal-tab.active,
.io-black-mode .sponsor-form-group input {
    color: #e7e9ed;
    background: #25282d !important;
}

.io-black-mode .sponsor-modal-header h3,
.io-black-mode .sponsor-form-group label {
    color: #f1f2f4;
}

.snc-sponsor-toast {
    position: fixed;
    left: 18px;
    bottom: 18px;
    z-index: 9997;
    width: min(360px, calc(100vw - 36px));
    min-height: 58px;
    pointer-events: none;
}

.snc-sponsor-toast-item {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 13px;
    color: #333;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(120, 130, 145, .18);
    border-radius: 8px;
    box-shadow: 0 8px 28px rgba(20, 28, 40, .14);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .3s ease, transform .3s ease;
    pointer-events: none;
}

.snc-sponsor-toast-item.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.snc-sponsor-toast-item img {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border-radius: 50%;
    object-fit: cover;
}

.snc-sponsor-toast-item span {
    overflow: hidden;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.e_sponsor-floating-toast {
    position: fixed;
    right: 54px;
    bottom: 30px;
    z-index: 9997;
    width: 330px;
    max-width: calc(100vw - 32px);
    padding: 0 26px 0 24px;
    overflow: hidden;
    border-radius: 14px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .4s ease;
}

.e_sponsor-floating-toast-track {
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform .5s ease;
}

.e_sponsor-floating-toast-item {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 8px;
    min-height: 50px;
    padding: 8px 12px;
    color: inherit;
    background: rgba(255, 255, 255, .86);
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .1);
    opacity: .7;
    text-decoration: none;
    pointer-events: auto;
    backdrop-filter: blur(16px);
    transition: transform .25s ease, opacity .25s ease;
}

.e_sponsor-toast-scale .e_sponsor-toast-active {
    transform: scale(1.1);
}

.e_sponsor-floating-toast-avatar {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    border-radius: 50%;
    object-fit: cover;
}

.e_sponsor-floating-toast-text {
    overflow: hidden;
    color: #333;
    font-size: 11px;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.e_sponsor-floating-toast-text strong {
    color: #111;
    font-weight: 600;
}

.io-black-mode .e_sponsor-floating-toast-item {
    background: rgba(30, 30, 30, .86);
    border-color: rgba(255, 255, 255, .08);
}

.io-black-mode .e_sponsor-floating-toast-text,
.io-black-mode .e_sponsor-floating-toast-text strong {
    color: #eee;
}

.io-black-mode .snc-sponsor-partners,
.io-black-mode .snc-sponsor-toast-item {
    color: #e7e9ed;
    background: #25282d;
    border-color: rgba(255, 255, 255, .1);
}

@media (max-width: 991px) {
    .snc-sponsor-partners:not(.is-compact) .snc-sponsor-partners-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575px) {
    .snc-sponsor-partners {
        padding: 14px;
    }

    .snc-sponsor-partners:not(.is-compact) .snc-sponsor-partners-grid {
        grid-template-columns: 1fr;
    }

    .snc-sponsor-toast {
        bottom: 74px;
    }

    .e_sponsor-floating-toast {
        right: 8px;
        bottom: 76px;
        width: 300px;
        padding: 0 18px;
    }

    .sponsor-modal-overlay {
        padding: 10px;
    }

    .sponsor-modal {
        max-height: calc(100vh - 20px);
    }

    .sponsor-modal-header,
    .sponsor-modal-body {
        padding-left: 16px !important;
        padding-right: 16px !important;
    }

    .sponsor-modal-tabs {
        margin-right: 16px;
        margin-left: 16px;
    }

    .sponsor-modal-footer {
        margin-right: -16px;
        margin-left: -16px;
        padding-right: 16px;
        padding-left: 16px;
    }
}

/* ------------------------------------------------------------------
   Right-bottom floating sponsor button group (FAB)
   按钮组：右下方主按钮 + 圆点脉冲指示器 + 弹出三个二级操作
   ------------------------------------------------------------------ */
.snc-sponsor-fab {
    position: fixed;
    /* Keep clear of OneNav's fixed right-side footer tool stack. */
    right: 76px;
    bottom: 90px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    pointer-events: none;
}

.snc-fab-main {
    position: relative;
    pointer-events: auto;
    width: 56px;
    height: 56px;
    padding: 0;
    color: #fff;
    background: linear-gradient(135deg, #ff7242 0%, #ff4d6d 100%);
    border: 0;
    border-radius: 50%;
    box-shadow: 0 10px 26px rgba(255, 80, 80, .32), 0 2px 6px rgba(255, 80, 80, .18);
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease;
}

.snc-fab-main:hover {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 14px 32px rgba(255, 80, 80, .42), 0 2px 6px rgba(255, 80, 80, .2);
}

.snc-fab-main:focus-visible {
    outline: 3px solid rgba(255, 114, 66, .35);
    outline-offset: 4px;
}

.snc-fab-icon-main {
    font-size: 26px;
    line-height: 1;
    font-style: normal;
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .15));
}

/* 脉冲圆点：右下角小红点，提示可点击 */
.snc-fab-pulse {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 10px;
    height: 10px;
    background: #ff3b30;
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(255, 59, 48, .6);
    animation: snc-fab-pulse 2.4s infinite;
}

@keyframes snc-fab-pulse {
    0%   { box-shadow: 0 0 0 0   rgba(255, 59, 48, .55); }
    70%  { box-shadow: 0 0 0 10px rgba(255, 59, 48, 0); }
    100% { box-shadow: 0 0 0 0   rgba(255, 59, 48, 0); }
}

/* 展开面板：自下而上淡入 */
.snc-fab-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: auto;
    width: 240px;
    padding: 8px;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(220, 224, 232, .8);
    border-radius: 16px;
    box-shadow: 0 14px 38px rgba(31, 38, 55, .18);
    backdrop-filter: blur(18px);
    transform-origin: bottom right;
    transform: translateY(8px) scale(.96);
    opacity: 0;
    transition: transform .22s cubic-bezier(.22, .61, .36, 1), opacity .22s ease;
}

.snc-fab-panel[hidden] {
    display: none;
}

.snc-sponsor-fab.is-open .snc-fab-panel {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.snc-fab-item {
    position: relative;
    display: grid;
    grid-template-columns: 56px 1fr auto;
    grid-template-areas:
        "amount title emoji"
        "amount sub   emoji";
    align-items: center;
    gap: 2px 12px;
    padding: 10px 12px;
    color: inherit;
    background: transparent;
    border: 0;
    border-radius: 12px;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}

.snc-fab-item:hover {
    background: rgba(255, 114, 66, .08);
    transform: translateX(-2px);
}

.snc-fab-item:focus-visible {
    outline: 2px solid rgba(255, 114, 66, .35);
    outline-offset: 2px;
}

.snc-fab-item-amount {
    grid-area: amount;
    align-self: center;
    justify-self: start;
    min-width: 56px;
    padding: 6px 8px;
    color: #ff7242;
    background: rgba(255, 114, 66, .12);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    line-height: 1;
    white-space: nowrap;
}

.snc-fab-item-title {
    grid-area: title;
    color: #1d1d1f;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
}

.snc-fab-item-sub {
    grid-area: sub;
    color: #8e8e93;
    font-size: 12px;
    line-height: 1.2;
}

.snc-fab-item-emoji {
    grid-area: emoji;
    font-size: 22px;
    line-height: 1;
    font-style: normal;
}

/* 主题色变体：打赏 / 加群聊 给金额标签不同颜色 */
.snc-fab-item[data-fab-action="qr"] .snc-fab-item-amount {
    color: #07c160;
    background: rgba(7, 193, 96, .12);
}

.snc-fab-item[data-fab-action="sponsor"] .snc-fab-item-amount {
    color: #ff7242;
    background: rgba(255, 114, 66, .12);
}

/* 暗色模式 */
.io-black-mode .snc-fab-panel {
    color: #e7e9ed;
    background: rgba(38, 40, 45, .96);
    border-color: rgba(255, 255, 255, .08);
}

.io-black-mode .snc-fab-item-title {
    color: #f2f3f5;
}

.io-black-mode .snc-fab-item:hover {
    background: rgba(255, 114, 66, .14);
}

body:has(.snc-sponsor-fab.is-open) .snc-fab-icon-main::before {
    content: "\00d7";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
}

/* 移动端 */
@media (max-width: 575px) {
    .snc-sponsor-fab {
        right: 12px;
        bottom: 132px;
    }
    .snc-fab-main {
        width: 50px;
        height: 50px;
    }
    .snc-fab-icon-main {
        font-size: 22px;
    }
    .snc-fab-panel {
        width: calc(100vw - 24px);
        max-width: 280px;
    }
    .snc-fab-item {
        grid-template-columns: 50px 1fr auto;
    }
    .snc-fab-item-amount {
        min-width: 50px;
        font-size: 11px;
    }
}