* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --ios-blue: #007AFF;
    --ios-blue-hover: #0051D5;
    --ios-gray: #8E8E93;
    --ios-card: rgba(255, 255, 255, 0.82);
    --ios-border: rgba(0, 0, 0, 0.04);
    --ios-shadow: 0 4px 24px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --ios-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
}

body {
    min-height: 100vh;
    background: linear-gradient(180deg, #FFFFFF 0%, #F5F5F7 100%);
    overflow-x: hidden;
    position: relative;
    color: #1D1D1F;
}

.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 100% 0%, rgba(0, 122, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(0, 122, 255, 0.02) 0%, transparent 40%);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
    position: relative;
    z-index: 1;
}

.top-bar {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
    border-radius: 32px;
    padding: 1rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.top-avatar {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

.music-inline {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    min-width: 0;
}

.song-name {
    font-weight: 650;
    font-size: 1rem;
    color: #1D1D1F;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
    letter-spacing: -0.01em;
}

.motto-tag {
    font-size: 0.7rem;
    font-weight: 400;
    font-style: italic;
    letter-spacing: 0.02em;
    white-space: nowrap;
    padding: 0.2rem 0.6rem;
    background: rgba(155, 142, 138, 0.08);
    border-radius: 12px;
    cursor: default;
    user-select: none;
    line-height: 1.4;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.rainbow-text {
    background: linear-gradient(90deg,
            #ff0000, #ff8800, #ffff00,
            #00cc00, #00aaff, #4400ff, #aa00ff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbowMove 4s linear infinite;
    font-weight: 600;
}

@keyframes rainbowMove {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

.beijing-fulltime {
    font-size: 0.78rem;
    font-weight: 500;
    color: #1D1D1F;
    background: rgba(0, 0, 0, 0.03);
    padding: 0.25rem 0.7rem;
    border-radius: 14px;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    letter-spacing: -0.01em;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.volume-group {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 24px;
    padding: 0.2rem 0.4rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.volume-btn {
    background: transparent;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    color: #636366;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1;
    padding: 0;
}

.volume-btn:hover {
    background: rgba(0, 122, 255, 0.1);
    color: var(--ios-blue);
}
.volume-btn:active {
    transform: scale(0.85);
    background: rgba(0, 122, 255, 0.18);
}

.control-btn-small {
    background: rgba(0, 0, 0, 0.04);
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--ios-blue);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-shrink: 0;
}
.control-btn-small:hover {
    background: rgba(0, 122, 255, 0.1);
}
.control-btn-small:active {
    transform: scale(0.92);
}

.play-btn-small {
    width: 42px;
    height: 42px;
    background: var(--ios-blue);
    color: white;
    box-shadow: 0 6px 14px rgba(0, 122, 255, 0.35);
}
.play-btn-small:hover {
    background: var(--ios-blue-hover);
}

.music-progress-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-radius: 20px;
    padding: 0.5rem 0.9rem;
    margin-top: 0.25rem;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    order: 10;
}

.music-time {
    font-size: 0.8rem;
    font-weight: 600;
    color: #1D1D1F;
    font-variant-numeric: tabular-nums;
    min-width: 38px;
    text-align: center;
    letter-spacing: 0.02em;
    opacity: 0.8;
}

.music-progress-wrap {
    flex: 1;
    height: 5px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.music-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--ios-blue), #5E5CE6);
    border-radius: 3px;
    transition: width 0.1s linear;
    pointer-events: none;
    box-shadow: 0 0 6px rgba(0, 122, 255, 0.3);
}

.version-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.bottom-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.version-card {
    background: var(--ios-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--ios-border);
    border-radius: 18px;
    padding: 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: block;
    position: relative;
    overflow: hidden;
    box-shadow: var(--ios-shadow);
    cursor: pointer;
}
.version-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    opacity: 0.8;
}
.version-card:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: var(--ios-shadow-hover);
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 122, 255, 0.12);
}
.version-card:active {
    transform: scale(0.98);
    transition: transform 0.1s;
}
.version-card.expandable {
    cursor: default;
}
.version-card.expandable:hover {
    transform: translateY(-2px) scale(1.01);
}

.rainbow-card {
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    z-index: 0;
    overflow: visible;
}
.rainbow-card::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: linear-gradient(45deg,
            #ff0000, #ff8800, #ffff00,
            #00cc00, #00aaff, #4400ff, #aa00ff);
    background-size: 400% 400%;
    border-radius: 20px;
    z-index: -1;
    animation: rainbowBorder 3s linear infinite;
    filter: blur(3px);
    opacity: 0.9;
}
.rainbow-card:hover::after {
    filter: blur(6px);
    opacity: 1;
    animation-duration: 2s;
}
@keyframes rainbowBorder {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 0.75rem;
}
.card-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--ios-blue) 0%, #5856D6 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.2);
}
.card-icon.community-icon {
    background: linear-gradient(135deg, #FF9500 0%, #FF5E3A 100%);
}
.card-icon.service-icon {
    background: linear-gradient(135deg, #34C759 0%, #30B350 100%);
}
.card-icon.author-icon {
    background: linear-gradient(135deg, #5E5CE6, #D4508B);
}
.card-icon svg {
    width: 22px;
    height: 22px;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1D1D1F;
    line-height: 1.2;
}
.card-desc {
    color: var(--ios-gray);
    font-size: 0.8125rem;
    line-height: 1.5;
    margin-bottom: 0.875rem;
}
.card-tag {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    background: rgba(0, 122, 255, 0.08);
    color: var(--ios-blue);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-top: 0.5rem;
}
.rainbow-tag {
    background: linear-gradient(90deg, #ff0000, #ff8800, #ffff00, #00cc00, #00aaff, #4400ff, #aa00ff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbowMove 4s linear infinite;
    font-weight: 700;
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border: 2px solid transparent;
    border-radius: 12px;
    position: relative;
    background-color: rgba(255, 255, 255, 0.9);
}
.rainbow-tag::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: inherit;
    background-size: inherit;
    border-radius: inherit;
    z-index: -1;
    filter: blur(4px);
    opacity: 0.8;
}

.version-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.6875rem;
    color: #007AFF;
    background: rgba(0, 122, 255, 0.08);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s;
}
.version-badge.loaded {
    opacity: 1;
}

.history-section {
    margin-top: 0.75rem;
    width: 100%;
    display: none;
}
.history-section.visible {
    display: block;
}
.history-divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.06);
    margin: 0.75rem 0;
}
.history-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--ios-blue);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.375rem 0;
    user-select: none;
    transition: opacity 0.2s;
}
.history-toggle:hover {
    opacity: 0.8;
}
.toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
    color: var(--ios-blue);
}
.history-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}
.history-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.history-content.expanded {
    max-height: 350px;
    overflow-y: auto;
    margin-top: 0.5rem;
    padding-right: 0.25rem;
}
.history-list {
    padding: 0.25rem 0;
}
.history-item {
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.history-item:last-child {
    border-bottom: none;
}
.history-version {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #1D1D1F;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.history-date {
    font-size: 0.75rem;
    color: var(--ios-gray);
    font-weight: 500;
    background: rgba(142, 142, 147, 0.1);
    padding: 0.125rem 0.5rem;
    border-radius: 6px;
}
.history-body {
    font-size: 0.8125rem;
    color: #3C3C43;
    line-height: 1.6;
    margin-top: 0.5rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1.5rem;
}
.modal.active {
    display: flex;
}
.modal-content {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border-radius: 24px;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.6);
    animation: modalAppear 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-content.wider {
    max-width: 500px;
}
.modal-content.author-wide {
    max-width: 560px;
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 1.75rem;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}
.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
    color: #1D1D1F;
    padding-right: 2rem;
}
.modal-subtitle {
    font-size: 0.8125rem;
    color: var(--ios-gray);
    margin-top: 0.25rem;
}
.close-btn {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: rgba(142, 142, 147, 0.12);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    color: #8E8E93;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}
.close-btn:hover {
    background: rgba(142, 142, 147, 0.2);
    color: #636366;
}
.modal-body {
    padding: 1.25rem;
    flex: 1;
    overflow-y: auto;
}
.modal-footer {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.four-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.875rem;
}
.grid-btn {
    background: rgba(0, 122, 255, 0.06);
    border: 1px solid rgba(0, 122, 255, 0.15);
    color: #1D1D1F;
    padding: 1.25rem 0.75rem;
    border-radius: 16px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    gap: 0.5rem;
}
.grid-btn:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.25);
    transform: translateY(-1px);
}
.grid-btn:active {
    transform: scale(0.97);
}
.grid-btn svg {
    width: 28px;
    height: 28px;
    color: var(--ios-blue);
}
.grid-label {
    font-size: 0.8125rem;
    text-align: center;
    line-height: 1.3;
}
.tag-query {
    background: rgba(0, 122, 255, 0.08);
    color: #007AFF;
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    font-weight: 500;
}

.option-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.option-btn {
    background: rgba(0, 122, 255, 0.06);
    border: 1px solid rgba(0, 122, 255, 0.15);
    color: #1D1D1F;
    padding: 1rem;
    border-radius: 14px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
}
.option-btn:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.25);
    transform: translateX(2px);
}
.option-btn:active {
    transform: scale(0.98);
}
.option-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tag-community {
    background: rgba(255, 149, 0, 0.1);
    color: #FF9500;
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    font-weight: 500;
}
.tag-service {
    background: rgba(52, 199, 89, 0.1);
    color: #34C759;
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    font-weight: 500;
}
.arrow-icon {
    width: 20px;
    height: 20px;
    color: var(--ios-gray);
}

.btn-secondary {
    background: rgba(142, 142, 147, 0.12);
    color: var(--ios-blue);
    border: none;
    padding: 0.875rem;
    border-radius: 14px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}
.btn-secondary:hover {
    background: rgba(142, 142, 147, 0.18);
}

/* ========== 作者卡片布局 ========== */
.authors-duo {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    max-width: 420px;
    margin: 0 auto;
}

.author-liquid {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border-radius: 24px;
    padding: 1.75rem 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.875rem;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.author-liquid:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 255, 255, 0.9);
}
.author-liquid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
    opacity: 0.6;
}

.author-liquid.jiunian-theme {
    background: rgba(255, 255, 255, 0.45);
    box-shadow: 0 12px 32px rgba(0, 122, 255, 0.06), 0 4px 12px rgba(94, 92, 230, 0.04);
}
.author-liquid.jiunian-theme:hover {
    box-shadow: 0 20px 48px rgba(0, 122, 255, 0.12), 0 8px 20px rgba(94, 92, 230, 0.08);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.author-liquid:hover .author-avatar {
    transform: scale(1.05);
}

.author-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    user-select: none;
    background: linear-gradient(135deg, #5E5CE6 0%, #D4508B 100%);
}
.author-liquid:hover .author-avatar-placeholder {
    transform: scale(1.05);
}

.author-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1D1D1F;
    letter-spacing: -0.01em;
}
.author-role {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ios-gray);
    margin-top: -0.4rem;
    letter-spacing: 0.02em;
}

.author-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
}

.author-tag-item {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    color: #1D1D1F;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.18rem 0.6rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s;
    white-space: nowrap;
    letter-spacing: -0.01em;
}
.author-tag-item:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}
.author-tag-item svg {
    flex-shrink: 0;
    opacity: 0.65;
    width: 12px;
    height: 12px;
}

.author-tag-item.blue-highlight {
    background: rgba(0, 122, 255, 0.08);
    border-color: rgba(0, 122, 255, 0.2);
    color: #007AFF;
    font-weight: 600;
}
.author-tag-item.blue-highlight svg {
    opacity: 0.9;
    color: #007AFF;
}

.author-tg {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ios-blue);
    text-decoration: none;
    background: rgba(0, 122, 255, 0.07);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
    letter-spacing: -0.01em;
}
.author-tg:hover {
    background: rgba(0, 122, 255, 0.15);
    transform: translateY(-1px);
}

.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-size: 0.875rem;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 2000;
    backdrop-filter: blur(10px);
}
.toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

@media (max-width: 767px) {
    .container {
        padding: 1.5rem 1rem;
    }
    .top-bar {
        padding: 0.9rem 1rem;
        gap: 0.8rem;
    }
    .music-inline {
        gap: 0.5rem;
    }
    .song-name {
        max-width: 80px;
        font-size: 0.9rem;
    }
    .motto-tag {
        font-size: 0.65rem;
        padding: 0.15rem 0.5rem;
    }
    .beijing-fulltime {
        font-size: 0.72rem;
        padding: 0.2rem 0.6rem;
    }
    .volume-group {
        gap: 0.1rem;
        padding: 0.15rem 0.3rem;
    }
    .volume-btn {
        width: 26px;
        height: 26px;
        font-size: 0.8rem;
    }
    .control-btn-small {
        width: 30px;
        height: 30px;
    }
    .play-btn-small {
        width: 38px;
        height: 38px;
    }
    .music-progress-row {
        padding: 0.4rem 0.7rem;
    }
    .music-time {
        font-size: 0.7rem;
        min-width: 32px;
    }
    .version-grid {
        grid-template-columns: 1fr;
    }
    .bottom-cards {
        grid-template-columns: 1fr;
    }
    .four-grid {
        grid-template-columns: 1fr;
    }
    .modal-content {
        max-width: 92vw;
    }
    .modal-content.author-wide {
        max-width: 94vw;
    }
    .authors-duo {
        max-width: 100%;
        gap: 1rem;
    }
    .author-liquid {
        padding: 1.5rem 1rem 1.25rem;
        gap: 0.7rem;
    }
    .author-avatar,
    .author-avatar-placeholder {
        width: 68px;
        height: 68px;
        font-size: 1.8rem;
    }
    .author-name {
        font-size: 1.15rem;
    }
    .author-role {
        font-size: 0.7rem;
    }
    .author-tag-item {
        font-size: 0.65rem;
        padding: 0.15rem 0.5rem;
    }
    .author-tg {
        font-size: 0.8rem;
        padding: 0.25rem 0.8rem;
    }
}

@media (max-width: 380px) {
    .authors-duo {
        gap: 0.75rem;
    }
    .author-liquid {
        padding: 1.25rem 0.75rem 1rem;
        border-radius: 20px;
    }
    .author-avatar,
    .author-avatar-placeholder {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    .author-name {
        font-size: 1.05rem;
    }
    .author-tags {
        gap: 0.3rem;
    }
    .author-tag-item {
        font-size: 0.6rem;
        padding: 0.12rem 0.4rem;
        border-radius: 10px;
    }
}