.sponsor-v2 {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

/* Hero 区域 */
.sponsor-v2 .sponsor-hero {
    margin-bottom: 24px;
}

.sponsor-v2 .hero-icon {
    font-size: 64px;
    margin-bottom: 16px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.sponsor-v2 .hero-title {
    color: var(--text-primary, #1e293b);
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px;
}

.sponsor-v2 .hero-subtitle {
    color: var(--text-secondary, #64748b);
    font-size: 15px;
    margin: 0;
}

/* 说明文字 */
.sponsor-v2 .sponsor-desc {
    color: var(--text-secondary, #64748b);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 32px;
    padding: 0 20px;
}

.sponsor-v2 .sponsor-desc p {
    margin: 0;
}

/* 支付方式卡片 */
.sponsor-v2 .payment-methods {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 32px;
}

.sponsor-v2 .payment-card {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-primary, #e5e7eb);
    border-radius: 16px;
    padding: 32px 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
}

.sponsor-v2 .payment-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

.sponsor-v2 .payment-card[data-type="alipay"]:hover {
    box-shadow: 0 12px 40px rgba(22, 119, 255, 0.2);
}

.sponsor-v2 .payment-card[data-type="wechat"]:hover {
    box-shadow: 0 12px 40px rgba(7, 193, 96, 0.2);
}

.sponsor-v2 .payment-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-v2 .alipay-icon {
    background: rgba(22, 119, 255, 0.1);
}

.sponsor-v2 .wechat-icon {
    background: rgba(7, 193, 96, 0.1);
}

.sponsor-v2 .payment-icon svg {
    width: 32px;
    height: 32px;
}

.sponsor-v2 .payment-name {
    color: var(--text-primary, #1e293b);
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 6px;
}

.sponsor-v2 .payment-hint {
    color: var(--text-muted, #94a3b8);
    font-size: 13px;
    margin: 0;
}

/* 其他方式 */
.sponsor-v2 .other-support {
    margin-top: 24px;
}

.sponsor-v2 .divider {
    position: relative;
    margin-bottom: 20px;
}

.sponsor-v2 .divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-primary, #e5e7eb);
}

.sponsor-v2 .divider span {
    position: relative;
    display: inline-block;
    padding: 0 16px;
    background: var(--bg-body, #f7f9fa);
    color: var(--text-muted, #94a3b8);
    font-size: 13px;
}

.sponsor-v2 .qq-contact {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-primary, #e5e7eb);
    border-radius: 50px;
    padding: 8px 8px 8px 20px;
}

.sponsor-v2 .qq-label {
    color: var(--text-muted, #94a3b8);
    font-size: 13px;
}

.sponsor-v2 .qq-value {
    color: var(--text-primary, #1e293b);
    font-size: 15px;
    font-weight: 600;
    font-family: monospace;
}

.sponsor-v2 .copy-btn {
    background: var(--theme-color, #3b82f6);
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.sponsor-v2 .copy-btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.sponsor-v2 .copy-btn.copied {
    background: #07C160;
}

/* 弹窗 */
.qrcode-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-box {
    position: relative;
    background: var(--bg-card, #fff);
    border-radius: 20px;
    padding: 32px;
    max-width: 320px;
    width: 90%;
    text-align: center;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-secondary, #f1f5f9);
    border-radius: 50%;
    font-size: 20px;
    color: var(--text-secondary, #64748b);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.modal-close:hover {
    background: var(--border-primary, #e5e7eb);
    color: var(--text-primary, #1e293b);
}

.modal-title {
    color: var(--text-primary, #1e293b);
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 20px;
}

.qrcode-wrap {
    background: var(--bg-secondary, #f8fafc);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.qrcode-wrap img {
    max-width: 200px;
    width: 100%;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

.modal-tip {
    color: var(--text-muted, #94a3b8);
    font-size: 13px;
    margin: 0;
}

/* 赞助人员列表 */
.sponsor-v2 .sponsors-section {
    margin-top: 32px;
}

.sponsor-v2 .sponsors-table-wrap {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-primary, #e5e7eb);
}

.sponsor-v2 .sponsors-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card, #fff);
    font-size: 14px;
}

.sponsor-v2 .sponsors-table thead {
    background: var(--bg-secondary, #f8fafc);
}

.sponsor-v2 .sponsors-table th {
    padding: 14px 16px;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    border-bottom: 1px solid var(--border-primary, #e5e7eb);
    white-space: nowrap;
}

.sponsor-v2 .sponsors-table td {
    padding: 14px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border-secondary, #f1f5f9);
    color: var(--text-secondary, #475569);
}

.sponsor-v2 .sponsors-table tbody tr:last-child td {
    border-bottom: none;
}

.sponsor-v2 .sponsors-table tbody tr:hover {
    background: var(--bg-hover, #f8fafc);
}

.sponsor-v2 .sponsors-table td:nth-child(2) {
    color: var(--theme-color, #3b82f6);
    font-weight: 600;
}

.sponsor-v2 .sponsors-table a {
    color: var(--theme-color, #3b82f6);
    text-decoration: none;
}

.sponsor-v2 .sponsors-table a:hover {
    text-decoration: underline;
}

.sponsor-v2 .sponsors-table td:nth-child(3) {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sponsor-v2 .sponsors-table td:nth-child(1) {
    font-weight: 500;
    color: var(--text-primary, #1e293b);
}

.sponsor-v2 .sponsors-table th:nth-child(1),
.sponsor-v2 .sponsors-table td:nth-child(1) {
    width: auto;
    min-width: 60px;
}

.sponsor-v2 .sponsors-table th:nth-child(2),
.sponsor-v2 .sponsors-table td:nth-child(2) {
    width: auto;
    min-width: 50px;
}

.sponsor-v2 .sponsors-table th:nth-child(4),
.sponsor-v2 .sponsors-table td:nth-child(4) {
    width: auto;
    min-width: 70px;
    white-space: nowrap;
}

/* 深色模式 */
html[data-theme="dark"] .divider span {
    background: var(--bg-body, #16161a);
}

html[data-theme="dark"] .qrcode-wrap {
    background: var(--bg-secondary, #222);
}

/* 响应式 - 平板 (426px - 768px) */
@media (min-width: 426px) and (max-width: 768px) {
    .sponsor-v2 {
        padding: 32px 16px;
    }

    .sponsor-v2 .hero-icon {
        font-size: 56px;
    }

    .sponsor-v2 .hero-title {
        font-size: 26px;
    }

    .sponsor-v2 .sponsor-desc {
        padding: 0 12px;
        font-size: 13px;
    }

    .sponsor-v2 .payment-methods {
        gap: 16px;
    }

    .sponsor-v2 .payment-card {
        padding: 28px 36px;
        min-width: 130px;
    }

    .sponsor-v2 .payment-icon {
        width: 52px;
        height: 52px;
    }

    .sponsor-v2 .sponsors-table th,
    .sponsor-v2 .sponsors-table td {
        padding: 12px 10px;
        font-size: 13px;
    }

    .sponsor-v2 .sponsors-table th:nth-child(1),
    .sponsor-v2 .sponsors-table td:nth-child(1) {
        width: auto;
        min-width: 60px;
    }

    .sponsor-v2 .sponsors-table th:nth-child(2),
    .sponsor-v2 .sponsors-table td:nth-child(2) {
        width: auto;
        min-width: 50px;
    }

    .sponsor-v2 .sponsors-table th:nth-child(4),
    .sponsor-v2 .sponsors-table td:nth-child(4) {
        width: auto;
        min-width: 70px;
    }
}

/* 响应式 - 手机 (<=425px) */
@media (max-width: 425px) {
    .sponsor-v2 {
        padding: 24px 12px;
    }

    .sponsor-v2 .hero-icon {
        font-size: 48px;
        margin-bottom: 12px;
    }

    .sponsor-v2 .hero-title {
        font-size: 22px;
    }

    .sponsor-v2 .hero-subtitle {
        font-size: 13px;
    }

    .sponsor-v2 .sponsor-desc {
        padding: 0 8px;
        font-size: 13px;
        margin-bottom: 24px;
    }

    .sponsor-v2 .payment-methods {
        flex-direction: row;
        justify-content: center;
        gap: 10px;
        margin-bottom: 24px;
        padding: 0 10px;
    }

    .sponsor-v2 .payment-methods .payment-card {
        flex: 1 1 0;
        max-width: calc(50% - 5px);
        padding: 16px 8px;
        min-width: 0;
        width: calc(50% - 5px);
        box-sizing: border-box;
    }

    .sponsor-v2 .payment-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 12px;
    }

    .sponsor-v2 .payment-name {
        font-size: 15px;
    }

    .sponsor-v2 .payment-hint {
        font-size: 12px;
    }

    .sponsor-v2 .qq-contact {
        padding: 10px 16px;
        font-size: 13px;
    }

    .sponsor-v2 .copy-btn {
        padding: 6px 14px;
        font-size: 12px;
    }

    .sponsor-v2 .sponsors-section {
        margin-top: 24px;
    }

    .sponsor-v2 .sponsors-table-wrap {
        border-radius: 8px;
    }

    .sponsor-v2 .sponsors-table th,
    .sponsor-v2 .sponsors-table td {
        padding: 10px 8px;
        font-size: 12px;
    }

    .sponsor-v2 .sponsors-table th:nth-child(1),
    .sponsor-v2 .sponsors-table td:nth-child(1) {
        width: auto;
        min-width: 80px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .sponsor-v2 .sponsors-table th:nth-child(2),
    .sponsor-v2 .sponsors-table td:nth-child(2) {
        width: 20%;
        min-width: 60px;
    }

    .sponsor-v2 .sponsors-table th:nth-child(4),
    .sponsor-v2 .sponsors-table td:nth-child(4) {
        width: 25%;
        min-width: 70px;
    }

    .sponsor-v2 .sponsors-table td:nth-child(3) {
        width: 30%;
        max-width: none;
    }

    .sponsor-v2 .modal-box {
        margin: 20px;
        padding: 24px;
    }

    .sponsor-v2 .modal-title {
        font-size: 18px;
    }

    .sponsor-v2 .qrcode-wrap {
        width: 200px;
        height: 200px;
    }

    .sponsor-v2 .modal-tip {
        font-size: 13px;
    }
}