:root {
    --bg-primary: #FCFBF8;
    --bg-nav: rgba(255, 255, 255, 0.96);
    --bg-input: #FAFAFA;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FFFAF5;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-placeholder: #BBBBBB;
    --accent: #FFDAB9;
    --accent-hover: #FFCBA4;
    --accent-deep: #FFA07A;
    --accent-light: #FFF5EE;
    --border: #EEEEEE;
    --border-light: #F0F0F0;
    --success: #52C41A;
    --success-bg: #F6FFED;
    --success-border: #B7EB8F;
    --danger: #FF4D4F;
    --danger-bg: #FFF2F0;
    --danger-border: #FFCCC7;
    --warning: #FA8C16;
    --warning-bg: #FFF7E6;
    --warning-border: #FFD591;
    --info: #1890FF;
    --info-bg: #E6F7FF;
    --info-border: #91D5FF;
    --font-heading: 'ZCOOL KuaiLe', 'Ma Shan Zheng', 'Zhi Mang Xing', cursive, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', 'JetBrains Mono', 'Menlo', 'Monaco', 'Consolas', 'Courier New', monospace;
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 40px;
    --nav-height: 70px;
    --bottom-nav-height: 70px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent-deep);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.25s ease;
}

input, textarea, select {
    font-family: inherit;
    outline: none;
    transition: all 0.25s ease;
}

.icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: currentColor;
}

.icon-sm {
    width: 18px;
    height: 18px;
}

.icon-lg {
    width: 32px;
    height: 32px;
}

/* 导航栏 */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    padding: 0 40px;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--text-primary);
    letter-spacing: 2px;
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-xl);
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--accent-light);
    border-color: var(--accent);
}

/* 主容器 */
.main-container {
    max-width: 720px;
    margin: 0 auto;
    padding: calc(var(--nav-height) + 28px) 20px calc(var(--bottom-nav-height) + 28px);
    min-height: 100vh;
}

.main-container.wide {
    max-width: 1100px;
}

/* 底部导航（移动端） */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--bottom-nav-height);
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: none;
    align-items: center;
    justify-content: space-around;
    padding: 0 12px;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all 0.25s ease;
    min-width: 64px;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--text-primary);
    background: var(--accent-light);
    border-color: var(--accent);
}

.bottom-nav-item .icon {
    width: 22px;
    height: 22px;
}

/* 页面切换 */
.page {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.page.active {
    display: block;
}

/* 标题 */
.page-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* 胶囊按钮 */
.glass-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius-xl);
    transition: all 0.25s ease;
}

.glass-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.glass-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.glass-btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text-muted);
}

.glass-btn-outline:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--text-primary);
}

.glass-btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.glass-btn-block {
    width: 100%;
}

.glass-btn-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}

.glass-btn-danger:hover {
    background: #FFE5E5;
    border-color: var(--danger);
}

/* 卡片 */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 16px;
    transition: all 0.25s ease;
}

.glass-card:hover {
    border-color: var(--accent);
}

.glass-card-lg {
    border-radius: var(--radius-lg);
    padding: 32px;
}

/* 输入框 */
.glass-input {
    width: 100%;
    padding: 12px 18px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.glass-input::placeholder {
    color: var(--text-placeholder);
}

.glass-input:focus {
    border-color: var(--accent-deep);
    background: var(--accent-light);
}

textarea.glass-input {
    border-radius: var(--radius-md);
    resize: vertical;
    min-height: 100px;
}

.glass-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23999999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 42px;
}

/* 搜索框 */
.search-bar {
    position: relative;
    margin-bottom: 20px;
}

.search-bar .icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-bar .glass-input {
    padding-left: 46px;
}

/* 拖拽上传区 */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 52px 24px;
    background: var(--bg-input);
    text-align: center;
    transition: all 0.25s ease;
    cursor: pointer;
    margin-bottom: 16px;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--accent-deep);
    background: var(--accent-light);
}

.drop-zone .icon {
    width: 48px;
    height: 48px;
    color: var(--accent-deep);
    margin-bottom: 12px;
}

.drop-zone h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.drop-zone p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 文件详情信息网格 */
.detail-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.detail-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-info-item.detail-info-full {
    grid-column: 1 / -1;
}

.detail-info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.detail-info-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    word-break: break-all;
}

/* 文件胶囊列表 */
.file-capsule-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-capsule {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.25s ease;
}

.file-capsule:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.file-capsule-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-deep);
    flex-shrink: 0;
}

.file-capsule-icon .icon {
    width: 22px;
    height: 22px;
}

.file-capsule-info {
    flex: 1;
    min-width: 0;
}

.file-capsule-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.file-capsule-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.file-capsule-type {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-deep);
    background: var(--accent-light);
    border-radius: var(--radius-xl);
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.file-capsule-detail-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius-xl);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.25s ease;
}

.file-capsule-detail-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.file-capsule-detail-btn .icon {
    width: 16px;
    height: 16px;
}

@media (max-width: 480px) {
    .file-capsule {
        padding: 10px 12px;
        gap: 10px;
    }

    .file-capsule-detail-btn {
        padding: 6px 10px;
        font-size: 0.7rem;
    }

    .file-capsule-detail-btn .icon {
        width: 14px;
        height: 14px;
    }
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.stat-card {
    padding: 24px 16px;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.25s ease;
}

.stat-card:hover {
    border-color: var(--accent);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-deep);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* 表格 */
.glass-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.glass-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 600px;
}

.glass-table th {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
    padding: 12px 10px;
    text-align: left;
    white-space: nowrap;
}

.glass-table td {
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid #FAFAFA;
    padding: 12px 10px;
}

.glass-table tr:hover td {
    background: var(--bg-card-hover);
}

/* 标签/徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.68rem;
    padding: 3px 10px;
    border-radius: var(--radius-xl);
    border: 1px solid;
    font-weight: 500;
}

.badge-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}

.badge-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}

.badge-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning);
}

.badge-info {
    background: var(--info-bg);
    border-color: var(--info-border);
    color: var(--info);
}

/* Toast */
.toast-container {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    font-size: 0.9rem;
    font-weight: 500;
    animation: slideInRight 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    min-width: 200px;
}

.toast.success {
    border-color: var(--success-border);
    color: var(--success);
}

.toast.error {
    border-color: var(--danger-border);
    color: var(--danger);
}

.toast.warning {
    border-color: var(--warning-border);
    color: var(--warning);
}

.toast.info {
    border-color: var(--info-border);
    color: var(--info);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    color: var(--border);
}

.empty-state h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 150;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    animation: popIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.modal-close:hover {
    background: var(--accent-light);
    color: var(--text-primary);
    border-color: var(--accent);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px 24px 24px;
    justify-content: flex-end;
}

.modal-footer .glass-btn {
    flex: 0 0 auto;
}

/* 表单 */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

/* 验证码行：输入框 + 右侧按钮 */
.code-row {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.code-input {
    flex: 1;
}

.code-send-btn {
    flex-shrink: 0;
    min-width: 100px;
    height: 46px;
    padding: 0 14px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #fff;
    background: var(--accent-deep);
    border: 1px solid var(--accent-deep);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.code-send-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.code-send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    color: var(--text-secondary);
    background: var(--bg-input);
    border-color: var(--border);
}

/* 详情弹窗内URL行 */
.detail-url-row-inline {
    display: flex;
    gap: 8px;
    align-items: center;
}

.detail-url-row-inline .detail-url-input {
    flex: 1;
    font-size: 0.8rem;
    color: var(--accent-deep);
    font-family: var(--font-mono);
}

.detail-url-row-inline .glass-btn {
    flex-shrink: 0;
}

/* 个人中心 */
.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-light);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-deep);
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar .icon {
    width: 36px;
    height: 36px;
}

.profile-info h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.profile-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 进度条 */
.progress-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-top: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: var(--radius-xl);
    transition: width 0.4s ease;
}

/* 功能入口网格 */
.function-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.function-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.function-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.function-card .icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-deep);
    margin-bottom: 12px;
}

.function-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.function-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* VIP / 会员标识 */
.vip-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 10px;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    background: linear-gradient(135deg, #FFD700 0%, #FF6B35 100%);
    border-radius: var(--radius-xl);
    vertical-align: middle;
    margin-left: 6px;
}

.member-expire {
    font-size: 0.8rem;
    color: var(--accent-deep);
    margin-top: 4px;
}

.member-benefits {
    background: linear-gradient(135deg, #FFFAF5 0%, #FFF5EE 100%);
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 20px;
}

.member-benefits .benefit-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--accent-deep);
    margin-bottom: 12px;
}

.member-benefits .benefit-title .icon {
    width: 20px;
    height: 20px;
}

.benefit-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.7);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
}

.benefit-item .icon {
    width: 16px;
    height: 16px;
    color: var(--accent-deep);
}

/* 套餐列表 */
/* ================================================
   会员中心 - 响应式豪华版 VIP 样式
   移动端：Hero → 套餐 → 兑换码 → 权益（核心功能前置）
   桌面端（≥1024px）：CSS Grid 左主右辅
      左列：套餐 + 兑换码（核心操作区）
      右列：Hero + 权益（品牌信息区）
   ================================================ */

/* --- 容器 --- */
.vip-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
}

/* --- 头部 --- */
.vip-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.vip-header-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--text-primary);
    letter-spacing: 2px;
}

/* --- 粒子背景 --- */
.vip-particles {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.vip-particle {
    position: absolute;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    border-radius: 50%;
    animation: vipParticleFloat 6s ease-in-out infinite;
    box-shadow: 0 0 6px rgba(255, 215, 0, 0.6);
}

@keyframes vipParticleFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    25%  { transform: translateY(-20px) scale(1.5); opacity: 0.8; }
    50%  { transform: translateY(-5px) scale(1); opacity: 0.4; }
    75%  { transform: translateY(-30px) scale(1.8); opacity: 0.9; }
}

/* --- 会员状态卡 --- */
.vip-status-card {
    position: relative;
    margin-bottom: 16px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: vipStatusIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes vipStatusIn {
    from { opacity: 0; transform: translateY(-16px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.vip-status-glow {
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(255,215,0,0.12) 0%, transparent 60%),
                radial-gradient(circle at 70% 50%, rgba(255,165,0,0.08) 0%, transparent 60%);
    animation: vipGlowRotate 8s linear infinite;
}

@keyframes vipGlowRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.vip-status-ring {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100px; height: 100px;
    border: 2px dashed rgba(255,215,0,0.25);
    border-radius: 50%;
    animation: vipRingSpin 20s linear infinite;
}

@keyframes vipRingSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.vip-status-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.vip-crown-big {
    width: 48px; height: 48px;
    margin: 0 auto 8px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(255,215,0,0.5), 0 0 40px rgba(255,165,0,0.3);
    animation: vipCrownPulse 2s ease-in-out infinite;
}

@keyframes vipCrownPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(255,215,0,0.4), 0 0 40px rgba(255,165,0,0.25); }
    50%      { box-shadow: 0 0 32px rgba(255,215,0,0.7), 0 0 64px rgba(255,165,0,0.4); }
}

.vip-crown-big .icon {
    width: 26px; height: 26px;
    color: #fff;
}

.vip-status-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: #FFD700;
    letter-spacing: 3px;
    margin-bottom: 4px;
}

.vip-status-expire {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.65);
}

/* --- Hero 区域（手机端紧凑版）--- */
.vip-hero {
    position: relative;
    padding: 20px 16px 18px;
    background: linear-gradient(180deg, #FFFDF5 0%, #FFF8E7 40%, #FFF0D5 100%);
    border-radius: var(--radius-lg);
    text-align: center;
    overflow: hidden;
    border: 1px solid rgba(255,215,0,0.2);
    box-shadow: 0 2px 12px rgba(255,160,0,0.06);
}

.vip-hero-shine {
    position: absolute;
    top: -60%; left: -60%;
    width: 220%; height: 220%;
    background: radial-gradient(ellipse at 30% 20%, rgba(255,215,0,0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(255,165,0,0.08) 0%, transparent 50%);
    animation: vipShineMove 6s ease-in-out infinite alternate;
}

@keyframes vipShineMove {
    from { transform: translate(0, 0) rotate(0deg); }
    to   { transform: translate(16px, -8px) rotate(5deg); }
}

.vip-hero-star {
    position: absolute;
    color: #FFD700;
    font-size: 0.85rem;
    animation: vipStarTwinkle 3s ease-in-out infinite;
    opacity: 0.4;
}

.vip-hero-star-1 { top: 8%; left: 6%; animation-delay: 0s; }
.vip-hero-star-2 { top: 15%; right: 8%; animation-delay: 0.8s; }
.vip-hero-star-3 { top: 60%; left: 5%; animation-delay: 1.6s; }
.vip-hero-star-4 { top: 65%; right: 10%; animation-delay: 2.2s; }
.vip-hero-star-5 { top: 38%; left: 80%; animation-delay: 1.0s; font-size: 0.65rem; }

@keyframes vipStarTwinkle {
    0%, 100% { opacity: 0.3; transform: scale(0.8) rotate(0deg); }
    50%      { opacity: 0.85; transform: scale(1.2) rotate(180deg); }
}

.vip-hero-crown {
    position: relative; z-index: 1;
    margin-bottom: 10px;
}

.vip-crown-icon {
    width: 52px; height: 52px;
    margin: 0 auto;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 18px rgba(255,165,0,0.3), 0 0 0 4px rgba(255,215,0,0.08);
    animation: vipCrownBounce 3s ease-in-out infinite;
}

@keyframes vipCrownBounce {
    0%, 100% { transform: translateY(0); }
    30%      { transform: translateY(-5px); }
    60%      { transform: translateY(-2px); }
}

.vip-crown-icon .icon {
    width: 28px; height: 28px;
    color: #fff;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
}

.vip-hero-title {
    position: relative; z-index: 1;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 6px;
    letter-spacing: 2px;
}

.vip-gradient-text {
    background: linear-gradient(135deg, #FFD700, #FF8C00, #FF6347);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.vip-hero-sub {
    position: relative; z-index: 1;
    font-size: 0.75rem;
    color: #999;
    margin-bottom: 12px;
    line-height: 1.4;
}

.vip-hero-badges {
    position: relative; z-index: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
}

.vip-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 4px 10px;
    background: rgba(255,215,0,0.08);
    border: 1px solid rgba(255,215,0,0.25);
    border-radius: 14px;
    font-size: 0.68rem;
    font-weight: 500;
    color: #8B6914;
    transition: all 0.3s ease;
}

.vip-hero-badge:hover {
    background: rgba(255,215,0,0.15);
    border-color: rgba(255,215,0,0.4);
    transform: translateY(-2px);
}

.vip-hero-badge .icon {
    width: 12px; height: 12px;
    color: #FFA500;
}

/* --- 主布局：手机端单栏 flex，桌面端 CSS Grid --- */
.vip-main {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* --- 分区标题 --- */
.vip-section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
}

.vip-title-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,215,0,0.3), transparent);
}

.vip-title-text {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: #8B6914;
    white-space: nowrap;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.vip-title-text .icon {
    width: 16px; height: 16px;
    color: #FFA500;
    flex-shrink: 0;
}

/* --- 权益卡片 --- */
.vip-benefits-section {
    /* margin 由 vip-main gap 控制 */
}

.vip-benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.vip-benefit-card {
    position: relative;
    padding: 14px 10px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.vip-benefit-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, #FFD700, #FFA500, #FF6347);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.vip-benefit-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255,160,0,0.12);
    border-color: rgba(255,215,0,0.35);
}

.vip-benefit-card:hover::before {
    transform: scaleX(1);
}

.vip-benefit-icon-wrap {
    width: 36px; height: 36px;
    margin: 0 auto 6px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.vip-benefit-card:hover .vip-benefit-icon-wrap {
    transform: scale(1.1) rotate(-5deg);
}

.vip-benefit-icon-wrap .icon {
    width: 18px; height: 18px;
    color: #fff;
}

.vip-benefit-gold  { background: linear-gradient(135deg, #FFD700, #FFA500); }
.vip-benefit-purple { background: linear-gradient(135deg, #A855F7, #7C3AED); }
.vip-benefit-pink  { background: linear-gradient(135deg, #F472B6, #EC4899); }
.vip-benefit-blue  { background: linear-gradient(135deg, #60A5FA, #3B82F6); }

.vip-benefit-card h3 {
    font-size: 0.78rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 3px;
}

.vip-benefit-card p {
    font-size: 0.68rem;
    color: #999;
    line-height: 1.35;
    margin-bottom: 6px;
}

.vip-benefit-badge {
    display: inline-block;
    padding: 2px 7px;
    background: rgba(255,215,0,0.08);
    border-radius: 7px;
    font-size: 0.62rem;
    font-weight: 600;
    color: #B8860B;
}

/* --- 套餐区域 --- */
.vip-plans-section {
    /* margin 由 vip-main gap 控制 */
}

.vip-plans-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 0;
    color: #999;
    font-size: 0.85rem;
}

.vip-loading-spinner {
    width: 28px; height: 28px;
    border: 3px solid rgba(255,215,0,0.15);
    border-top-color: #FFA500;
    border-radius: 50%;
    animation: vipSpin 0.8s linear infinite;
}

@keyframes vipSpin {
    to { transform: rotate(360deg); }
}

.vip-plans-empty {
    text-align: center;
    padding: 24px 0;
    color: #999;
    font-size: 0.85rem;
}

/* --- 套餐卡片 --- */
.vip-plan-card {
    position: relative;
    background: #fff;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px 14px;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

/* 手机端卡片之间间距 */
.vip-plans-container .vip-plan-card + .vip-plan-card {
    margin-top: 10px;
}

.vip-plan-card:hover {
    border-color: #FFD700;
    box-shadow: 0 6px 24px rgba(255,160,0,0.15);
    transform: translateY(-2px);
}

.vip-plan-card.vip-plan-selected {
    border-color: #FFD700;
    background: linear-gradient(135deg, #FFFDF5, #FFF8E0);
    box-shadow: 0 0 0 3px rgba(255,215,0,0.12), 0 6px 24px rgba(255,160,0,0.18);
    transform: translateY(-2px) scale(1.015);
}

.vip-plan-card.vip-plan-selected::after {
    content: '✓ 已选择';
    position: absolute;
    top: 10px; right: 10px;
    padding: 3px 10px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 10px;
    animation: vipSelectedPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes vipSelectedPop {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

.vip-plan-popular {
    border-color: #FFD700;
    background: linear-gradient(180deg, #FFFEFA, #FFF8E0 30%, #fff 100%);
}

.vip-plan-ribbon {
    position: absolute;
    top: 0; right: 0;
    padding: 4px 14px 4px 12px;
    background: linear-gradient(135deg, #FF6347, #FF4500);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    border-radius: 0 var(--radius-lg) 0 10px;
    box-shadow: 0 2px 6px rgba(255,69,0,0.25);
    animation: vipRibbonShine 2s ease-in-out infinite;
}

@keyframes vipRibbonShine {
    0%, 100% { background: linear-gradient(135deg, #FF6347, #FF4500); }
    50%      { background: linear-gradient(135deg, #FF7F50, #FF6347); }
}

.vip-plan-header {
    text-align: center;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed rgba(0,0,0,0.06);
}

.vip-plan-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: #333;
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.vip-plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 3px;
}

.vip-plan-currency {
    font-size: 0.85rem;
    font-weight: 600;
    color: #FF8C00;
}

.vip-plan-amount {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: #FF8C00;
    line-height: 1;
}

.vip-plan-duration {
    font-size: 0.7rem;
    color: #999;
}

.vip-plan-features {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 12px;
}

.vip-plan-feature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: #555;
}

.vip-plan-check {
    width: 15px; height: 15px;
    color: #22C55E;
    flex-shrink: 0;
}

.vip-plan-feature strong {
    color: #FF8C00;
}

.vip-plan-select-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 100%;
    padding: 10px 0;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    letter-spacing: 1px;
}

.vip-plan-select-btn:hover {
    background: linear-gradient(135deg, #FFC107, #FF8C00);
    box-shadow: 0 4px 14px rgba(255,160,0,0.35);
    transform: translateY(-1px);
}

.vip-plan-select-btn:active {
    transform: scale(0.97);
}

.vip-plan-select-btn .icon {
    width: 14px; height: 14px;
    transition: transform 0.3s ease;
}

.vip-plan-select-btn:hover .icon {
    transform: translateX(3px);
}

/* --- 兑换码区域 --- */
.vip-redeem-section {
    /* margin 由 vip-main gap 控制 */
}

.vip-redeem-card {
    padding: 18px 14px;
    background: linear-gradient(180deg, #FFFDF5, #fff);
    border: 1px solid rgba(255,215,0,0.2);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 10px rgba(255,160,0,0.06);
}

.vip-redeem-desc {
    text-align: center;
    color: #888;
    font-size: 0.78rem;
    margin-bottom: 12px;
}

.vip-redeem-input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.vip-redeem-input {
    flex: 1;
    padding: 11px 14px;
    background: #FEFEFE;
    border: 2px solid #EEE;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    color: #333;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
    letter-spacing: 2px;
    min-width: 0;
}

.vip-redeem-input:focus {
    border-color: #FFD700;
    background: #FFFDF5;
    box-shadow: 0 0 0 3px rgba(255,215,0,0.08);
}

.vip-redeem-input::placeholder {
    color: #CCC;
    letter-spacing: 1px;
}

.vip-redeem-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 18px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
    font-family: inherit;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.vip-redeem-btn:hover {
    background: linear-gradient(135deg, #FFC107, #FF8C00);
    box-shadow: 0 4px 14px rgba(255,160,0,0.35);
    transform: translateY(-1px);
}

.vip-redeem-btn:active {
    transform: scale(0.96);
}

.vip-redeem-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.vip-redeem-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px dashed rgba(0,0,0,0.05);
    font-size: 0.78rem;
    color: #999;
}

.vip-purchase-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #FF6347, #FF4500);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(255,69,0,0.25);
}

.vip-purchase-link:hover {
    background: linear-gradient(135deg, #FF7F50, #FF6347);
    box-shadow: 0 5px 16px rgba(255,69,0,0.35);
    transform: translateY(-2px);
}

.vip-purchase-link .icon {
    width: 13px; height: 13px;
}

/* --- 按钮加载动画 --- */
.vip-btn-spinner {
    width: 14px; height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: vipSpin 0.6s linear infinite;
}

/* --- 底部装饰 --- */
.vip-footer {
    margin: 4px 0 20px;
    text-align: center;
}

.vip-footer-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,215,0,0.15), transparent);
    margin-bottom: 8px;
}

.vip-footer-text {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
    color: #CCC;
    letter-spacing: 1px;
}

.vip-footer-text .icon {
    width: 13px; height: 13px;
    opacity: 0.4;
}

/* ================================================
   套餐详情面板（点击卡片后展开）
   紧凑设计，不超一屏，风格统一，全 SVG 图标
   ================================================ */
.vip-plan-detail {
    animation: vipDetailIn 0.35s ease;
}

@keyframes vipDetailIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 返回按钮 */
.vip-detail-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
}

.vip-detail-back:hover {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--text-primary);
}

.vip-detail-back .icon {
    width: 16px; height: 16px;
    transform: rotate(180deg);
}

/* 详情卡片 */
.vip-detail-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}

/* 详情 Hero */
.vip-detail-hero {
    text-align: center;
    padding: 28px 20px 22px;
    background: linear-gradient(180deg, #FFFDF5 0%, #FFF8E0 60%, #fff 100%);
    border-bottom: 1px solid rgba(255,215,0,0.12);
}

.vip-detail-crown {
    width: 52px; height: 52px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, #FFD700, #FF8C00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(255,165,0,0.3);
    animation: vipCrownBounce 3s ease-in-out infinite;
}

.vip-detail-crown .icon {
    width: 28px; height: 28px;
    color: #fff;
}

.vip-detail-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.vip-detail-price-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 6px;
}

.vip-detail-currency {
    font-size: 1rem;
    font-weight: 600;
    color: #FF8C00;
}

.vip-detail-amount {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    color: #FF8C00;
    line-height: 1;
}

.vip-detail-meta {
    font-size: 0.8rem;
    color: #999;
}

/* 详情主体 */
.vip-detail-body {
    padding: 16px 20px;
}

.vip-detail-body-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #8B6914;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.vip-detail-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.vip-detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: #FAFAFA;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.vip-detail-item:hover {
    background: var(--accent-light);
}

.vip-detail-item-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.vip-detail-item-icon .icon {
    width: 18px; height: 18px;
    color: #fff;
}

.vip-detail-icon-cloud   { background: linear-gradient(135deg, #FFD700, #FFA500); }
.vip-detail-icon-file    { background: linear-gradient(135deg, #A855F7, #7C3AED); }
.vip-detail-icon-crown   { background: linear-gradient(135deg, #F472B6, #EC4899); }
.vip-detail-icon-support { background: linear-gradient(135deg, #60A5FA, #3B82F6); }

.vip-detail-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.vip-detail-item-info strong {
    font-size: 0.85rem;
    color: #333;
}

.vip-detail-item-info span {
    font-size: 0.75rem;
    color: #999;
}

.vip-detail-item-info em {
    font-style: normal;
    color: #FF8C00;
    font-weight: 600;
}

/* 详情操作区 */
.vip-detail-actions {
    padding: 0 20px 4px;
    text-align: center;
}

.vip-detail-buy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 0;
    background: linear-gradient(135deg, #FF6347, #FF4500);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(255,69,0,0.25);
    letter-spacing: 1px;
}

.vip-detail-buy-btn:hover {
    background: linear-gradient(135deg, #FF7F50, #FF6347);
    box-shadow: 0 6px 20px rgba(255,69,0,0.35);
    transform: translateY(-2px);
}

.vip-detail-hint {
    margin-top: 10px;
    font-size: 0.75rem;
    color: #BBB;
}

/* 详情内兑换码 */
.vip-detail-redeem {
    padding: 16px 20px 20px;
}

.vip-detail-redeem-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.vip-detail-redeem-divider::before,
.vip-detail-redeem-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.06), transparent);
}

.vip-detail-redeem-divider span {
    font-size: 0.78rem;
    color: #AAA;
    white-space: nowrap;
}

/* ================================================
   响应式断点
   ================================================ */

/* --- 平板及以上（≥768px）--- */
@media (min-width: 768px) {
    .vip-container {
        padding: 0 24px;
    }

    .vip-header {
        margin-bottom: 20px;
    }

    .vip-header-title {
        font-size: 1.5rem;
    }

    .vip-status-card {
        padding: 22px 28px;
        margin-bottom: 20px;
    }

    .vip-crown-big {
        width: 56px; height: 56px;
    }

    .vip-crown-big .icon {
        width: 30px; height: 30px;
    }

    .vip-status-title {
        font-size: 1.3rem;
    }

    .vip-main {
        gap: 20px;
    }

    .vip-hero {
        padding: 28px 24px 24px;
    }

    .vip-crown-icon {
        width: 64px; height: 64px;
    }

    .vip-crown-icon .icon {
        width: 34px; height: 34px;
    }

    .vip-hero-title {
        font-size: 1.5rem;
    }

    .vip-hero-sub {
        font-size: 0.82rem;
    }

    .vip-hero-badge {
        font-size: 0.72rem;
        padding: 5px 12px;
    }

    .vip-benefits-grid {
        gap: 12px;
    }

    .vip-benefit-card {
        padding: 18px 14px;
    }

    .vip-benefit-icon-wrap {
        width: 42px; height: 42px;
    }

    .vip-benefit-icon-wrap .icon {
        width: 22px; height: 22px;
    }

    .vip-benefit-card h3 {
        font-size: 0.85rem;
    }

    .vip-benefit-card p {
        font-size: 0.74rem;
    }

    .vip-plan-card {
        padding: 22px 18px;
    }

    .vip-plan-name {
        font-size: 1.15rem;
    }

    .vip-plan-amount {
        font-size: 2rem;
    }

    .vip-redeem-card {
        padding: 22px 18px;
    }

    .vip-section-title {
        margin-bottom: 16px;
    }

    .vip-title-text {
        font-size: 1.05rem;
    }

    .vip-footer {
        margin: 8px 0 28px;
    }

    .vip-detail-hero {
        padding: 32px 28px 26px;
    }

    .vip-detail-crown {
        width: 60px; height: 60px;
    }

    .vip-detail-crown .icon {
        width: 32px; height: 32px;
    }

    .vip-detail-name {
        font-size: 1.4rem;
    }

    .vip-detail-amount {
        font-size: 2.6rem;
    }

    .vip-detail-body {
        padding: 20px 24px;
    }

    .vip-detail-actions {
        padding: 0 24px 4px;
    }

    .vip-detail-redeem {
        padding: 16px 24px 20px;
    }
}

/* --- 桌面端（≥1024px）：CSS Grid 左主右辅 --- */
@media (min-width: 1024px) {
    .vip-container {
        padding: 0 28px;
    }

    .vip-main {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "plans  hero"
            "redeem benefits";
        gap: 20px;
        align-items: start;
    }

    .vip-grid-hero     { grid-area: hero; }
    .vip-grid-plans    { grid-area: plans; }
    .vip-grid-redeem   { grid-area: redeem; }
    .vip-grid-benefits { grid-area: benefits; }

    /* 桌面端套餐卡片并排 */
    .vip-plans-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 12px;
    }

    .vip-plans-container .vip-plan-card + .vip-plan-card {
        margin-top: 0;
    }

    .vip-plan-card {
        padding: 20px 14px;
    }

    .vip-plan-name {
        font-size: 1.1rem;
    }

    .vip-plan-amount {
        font-size: 1.8rem;
    }

    /* 桌面端权益 4 列 */
    .vip-benefits-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .vip-benefit-card {
        padding: 14px 8px;
    }

    .vip-benefit-icon-wrap {
        width: 36px; height: 36px;
    }

    .vip-benefit-icon-wrap .icon {
        width: 18px; height: 18px;
    }

    .vip-benefit-card h3 {
        font-size: 0.75rem;
    }

    .vip-benefit-card p {
        font-size: 0.66rem;
    }

    .vip-hero {
        padding: 30px 24px 26px;
    }

    .vip-crown-icon {
        width: 68px; height: 68px;
    }

    .vip-crown-icon .icon {
        width: 36px; height: 36px;
    }

    .vip-hero-title {
        font-size: 1.6rem;
    }

    .vip-status-card {
        padding: 24px 32px;
    }

    /* 详情面板在桌面端居中，最大宽度限制 */
    .vip-plan-detail {
        max-width: 640px;
        margin: 0 auto;
    }
}

/* --- 宽屏（≥1200px）--- */
@media (min-width: 1200px) {
    .vip-container {
        padding: 0 32px;
    }

    .vip-main {
        gap: 24px;
    }

    .vip-plans-container {
        gap: 16px;
    }

    .vip-hero {
        padding: 36px 32px 32px;
    }

    .vip-crown-icon {
        width: 76px; height: 76px;
    }

    .vip-crown-icon .icon {
        width: 40px; height: 40px;
    }

    .vip-hero-title {
        font-size: 1.8rem;
    }

    .vip-benefits-grid {
        gap: 12px;
    }

    .vip-benefit-card {
        padding: 18px 12px;
    }

    .vip-benefit-icon-wrap {
        width: 42px; height: 42px;
    }

    .vip-benefit-icon-wrap .icon {
        width: 22px; height: 22px;
    }

    .vip-benefit-card h3 {
        font-size: 0.82rem;
    }

    .vip-benefit-card p {
        font-size: 0.72rem;
    }

    .vip-plan-card {
        padding: 24px 18px;
    }

    .vip-plan-name {
        font-size: 1.2rem;
    }

    .vip-plan-amount {
        font-size: 2rem;
    }

    .vip-redeem-card {
        padding: 24px 20px;
    }

    .vip-status-card {
        padding: 28px 36px;
    }

    .vip-detail-hero {
        padding: 36px 32px 30px;
    }

    .vip-detail-body {
        padding: 20px 28px;
    }

    .vip-detail-actions {
        padding: 0 28px 4px;
    }

    .vip-detail-redeem {
        padding: 16px 28px 24px;
    }
}

/* --- 小屏手机（≤380px）--- */
@media (max-width: 380px) {
    .vip-container {
        padding: 0 10px;
    }

    .vip-main {
        gap: 12px;
    }

    .vip-hero {
        padding: 16px 12px 14px;
    }

    .vip-crown-icon {
        width: 44px; height: 44px;
    }

    .vip-crown-icon .icon {
        width: 24px; height: 24px;
    }

    .vip-hero-title {
        font-size: 1.1rem;
    }

    .vip-hero-sub {
        font-size: 0.7rem;
    }

    .vip-hero-badge {
        font-size: 0.62rem;
        padding: 3px 8px;
    }

    .vip-benefits-grid {
        gap: 6px;
    }

    .vip-benefit-card {
        padding: 10px 8px;
    }

    .vip-benefit-icon-wrap {
        width: 32px; height: 32px;
    }

    .vip-benefit-icon-wrap .icon {
        width: 16px; height: 16px;
    }

    .vip-benefit-card h3 {
        font-size: 0.72rem;
    }

    .vip-benefit-card p {
        font-size: 0.64rem;
    }

    .vip-redeem-input-row {
        flex-direction: column;
    }

    .vip-redeem-btn {
        justify-content: center;
        padding: 12px;
    }

    .vip-plan-card {
        padding: 14px 12px;
    }

    .vip-plan-name {
        font-size: 0.95rem;
    }

    .vip-plan-amount {
        font-size: 1.5rem;
    }

    .vip-status-card {
        padding: 14px 16px;
    }

    .vip-crown-big {
        width: 40px; height: 40px;
    }

    .vip-crown-big .icon {
        width: 22px; height: 22px;
    }

    .vip-status-title {
        font-size: 1rem;
    }

    .vip-detail-hero {
        padding: 20px 14px 16px;
    }

    .vip-detail-crown {
        width: 44px; height: 44px;
    }

    .vip-detail-crown .icon {
        width: 24px; height: 24px;
    }

    .vip-detail-name {
        font-size: 1.1rem;
    }

    .vip-detail-amount {
        font-size: 2rem;
    }

    .vip-detail-body {
        padding: 12px 14px;
    }

    .vip-detail-item {
        padding: 8px 10px;
        gap: 10px;
    }

    .vip-detail-item-icon {
        width: 32px; height: 32px;
    }

    .vip-detail-item-icon .icon {
        width: 16px; height: 16px;
    }

    .vip-detail-actions {
        padding: 0 14px 4px;
    }

    .vip-detail-redeem {
        padding: 12px 14px 16px;
    }

    .vip-detail-buy-btn {
        font-size: 0.9rem;
        padding: 12px 0;
    }
}

/* 设备选择 */
.device-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.device-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.25s ease;
}

.device-item:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

/* 签到规则 */
.rule-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rule-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.25s ease;
}

.rule-item:hover {
    border-color: var(--accent);
}

.rule-item.active {
    background: var(--accent-light);
    border-color: var(--accent);
}

/* 商品卡片 */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.product-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.25s ease;
}

.product-card:hover {
    border-color: var(--accent);
}

.product-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-deep);
    flex-shrink: 0;
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.product-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--accent-deep);
    font-weight: 700;
    white-space: nowrap;
}

/* 标签页 */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    padding: 10px 20px;
    border-radius: var(--radius-xl);
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.25s ease;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--text-primary);
}

/* 分析工具 */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 16px;
    transition: all 0.25s ease;
}

.tool-card:hover {
    border-color: var(--accent);
}

.chart-bar {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 160px;
    padding: 20px 0;
    margin-top: 16px;
}

.chart-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.chart-bar-fill {
    width: 100%;
    background: var(--accent);
    border-radius: var(--radius-xs) var(--radius-xs) 0 0;
    min-height: 8px;
    transition: height 0.4s ease;
}

.chart-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .glass-nav {
        display: none;
    }

    .bottom-nav {
        display: flex;
    }

    .main-container {
        padding-top: 20px;
        padding-bottom: calc(var(--bottom-nav-height) + 20px);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .function-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .file-capsule {
        padding: 10px 14px;
    }

    .file-capsule-name {
        font-size: 0.85rem;
    }

    .glass-card {
        padding: 18px;
    }

    .page-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .function-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .product-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .product-price {
        align-self: flex-end;
    }
}

/* 工具类 */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-deep { color: var(--accent-deep); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 12px; }
.w-full { width: 100%; }
.hidden { display: none !important; }