@font-face {
    font-family: 'ZQKNNY';
    src: url('../ZQKNNY-Medium-2.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* 帖子灯箱（完整内容弹窗） */
.post-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .22s ease, visibility .22s ease;
}
.post-lightbox.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.post-lightbox-dialog {
    width: min(920px, 100%);
    max-height: min(82vh, 820px);
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(20, 20, 24, 0.82);
    box-shadow: 0 18px 50px rgba(0,0,0,0.45);
    transform: translateY(14px) scale(.98);
    opacity: 0;
    transition: transform .22s ease, opacity .22s ease;
}
.post-lightbox.show .post-lightbox-dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}
.post-lightbox-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 16px 10px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
}
.post-lightbox-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .2px;
    color: rgba(255,255,255,0.95);
}
.post-lightbox-subtitle {
    margin: 6px 0 0 0;
    font-size: 13px;
    line-height: 1.4;
    color: rgba(255,255,255,0.66);
}
.post-lightbox-close {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.9);
    cursor: pointer;
    transition: transform .15s ease, background .15s ease;
}
.post-lightbox-close:hover { background: rgba(255,255,255,0.12); }
.post-lightbox-close:active { transform: scale(.98); }
.post-lightbox-body {
    padding: 14px 16px 18px 16px;
    overflow: auto;
    max-height: calc(min(82vh, 820px) - 60px);
}
.post-lightbox-cover {
    width: 100%;
    height: auto;
    border-radius: 14px;
    display: none;
    margin: 0 0 12px 0;
    border: 1px solid rgba(255,255,255,0.10);
}
.post-lightbox-content {
    color: rgba(255,255,255,0.86);
    font-size: 14px;
    line-height: 1.8;
    word-break: break-word;
}
.post-lightbox-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}
.post-lightbox-content a { color: rgba(160, 220, 255, 0.95); }

/* 帖子卡片副标题 */
.post-subtitle {
    margin: 8px 0 0 0;
    font-size: 13px;
    line-height: 1.35;
    color: rgba(255,255,255,0.68);
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    .post-lightbox, .post-lightbox-dialog, .post-lightbox-close {
        transition: none !important;
    }
}

/* ========== 赞助侧边栏按钮 ========== */
.sponsor-tab {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 10px;
    background: rgba(20, 20, 24, 0.82);
    border: 1px solid rgba(255,255,255,0.14);
    border-right: none;
    border-radius: 14px 0 0 14px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    cursor: pointer;
    color: rgba(255,255,255,0.85);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .3px;
    box-shadow: -4px 0 20px rgba(0,0,0,0.25);
    transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
    user-select: none;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}
.sponsor-tab:hover {
    background: rgba(30, 30, 36, 0.92);
    transform: translateY(-50%) translateX(-3px);
    box-shadow: -6px 0 24px rgba(0,0,0,0.35);
}
.sponsor-tab:active {
    transform: translateY(-50%) translateX(-1px);
}
.sponsor-tab svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: rgba(255, 120, 120, 0.9);
    writing-mode: horizontal-tb;
}
.sponsor-tab span {
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

/* ========== 赞助弹窗遮罩 ========== */
.sponsor-overlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .22s ease, visibility .22s ease;
}
.sponsor-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* ========== 赞助弹窗主体 ========== */
.sponsor-dialog {
    width: min(480px, 100%);
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(20, 20, 24, 0.88);
    box-shadow: 0 18px 50px rgba(0,0,0,0.45);
    transform: translateY(14px) scale(.98);
    opacity: 0;
    transition: transform .22s ease, opacity .22s ease;
    overflow: hidden;
}
.sponsor-overlay.show .sponsor-dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}
.sponsor-dialog-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 18px 12px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
}
.sponsor-dialog-title {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .2px;
    color: rgba(255,255,255,0.95);
}
.sponsor-dialog-subtitle {
    margin: 5px 0 0 0;
    font-size: 13px;
    line-height: 1.4;
    color: rgba(255,255,255,0.60);
}
.sponsor-dialog-close {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.9);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .15s ease, background .15s ease;
}
.sponsor-dialog-close svg { width: 16px; height: 16px; }
.sponsor-dialog-close:hover { background: rgba(255,255,255,0.12); }
.sponsor-dialog-close:active { transform: scale(.95); }

/* ========== 赞助弹窗内容区 ========== */
.sponsor-dialog-body {
    padding: 20px 18px 22px 18px;
}
.sponsor-qr-list {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.sponsor-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.sponsor-qr-img-wrap {
    width: 150px;
    height: 150px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.06);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sponsor-qr-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}
.sponsor-qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.35);
    font-size: 12px;
}
.sponsor-qr-placeholder svg {
    width: 36px;
    height: 36px;
    stroke: rgba(255,255,255,0.25);
}
.sponsor-qr-label {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.75);
    letter-spacing: .2px;
}
.sponsor-empty {
    text-align: center;
    color: rgba(255,255,255,0.4);
    font-size: 14px;
    padding: 20px 0;
}

@media (prefers-reduced-motion: reduce) {
    .sponsor-overlay, .sponsor-dialog, .sponsor-tab {
        transition: none !important;
    }
}
@media (max-width: 600px) {
    .sponsor-tab {
        padding: 10px 8px;
        font-size: 11px;
    }
    .sponsor-tab svg { width: 17px; height: 17px; }
    .sponsor-qr-img-wrap { width: 130px; height: 130px; }
}