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

:root {
    /* ChatGPT 配色 */
    --gpt-primary: #10a37f;
    --gpt-secondary: #1a7f64;
    --gpt-light: #d1f4e8;
    --gpt-gradient: linear-gradient(135deg, #10a37f 0%, #1a7f64 100%);

    /* Claude 配色 */
    --claude-primary: #cc785c;
    --claude-secondary: #a8563d;
    --claude-light: #f5e6e0;
    --claude-gradient: linear-gradient(135deg, #cc785c 0%, #a8563d 100%);

    /* 通用配色 */
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --divider: #333333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 背景装饰 */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(16, 163, 127, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(204, 120, 92, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.bg-decoration::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        linear-gradient(45deg, transparent 40%, rgba(16, 163, 127, 0.03) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(204, 120, 92, 0.03) 50%, transparent 60%);
    animation: bgRotate 20s linear infinite;
}

@keyframes bgRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* 头部 */
.header {
    text-align: center;
    margin-bottom: 80px;
    animation: fadeInDown 0.8s ease-out;
}

.header-logo {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-logo {
    width: 100px;
    height: 100px;
    filter: drop-shadow(0 8px 24px rgba(16, 163, 127, 0.3)) drop-shadow(0 8px 24px rgba(204, 120, 92, 0.3));
    animation: logoFloat 3s ease-in-out infinite, logoRotate 20s linear infinite;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-logo:hover {
    transform: scale(1.15) rotate(10deg);
    filter: drop-shadow(0 12px 32px rgba(16, 163, 127, 0.5)) drop-shadow(0 12px 32px rgba(204, 120, 92, 0.5));
    animation: logoFloat 1.5s ease-in-out infinite, logoPulse 1s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

@keyframes logoRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes logoPulse {
    0%, 100% {
        transform: scale(1.15) rotate(10deg);
    }
    50% {
        transform: scale(1.25) rotate(10deg);
    }
}

.main-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gpt-primary) 0%, var(--claude-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* 右上角公告按钮 */
.announcement-btn {
    position: fixed;
    top: 40px;
    right: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #1a1a1a;
    color: #ffc107;
    border: 2px solid #ffc107;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(255, 193, 7, 0.3);
}

.announcement-btn::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50px;
    border: 2px solid #ffc107;
    opacity: 0.6;
    animation: ringPulse 2s ease-out infinite;
}

@keyframes ringPulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.3;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.announcement-btn:hover {
    background: #ffc107;
    color: #1a1a1a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.5);
}

.announcement-btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.announcement-btn-text {
    font-weight: 700;
}

/* 弹窗内公告提示 */
.announcement-notice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 12px;
    margin-bottom: 24px;
}

.notice-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: #ffc107;
}

.announcement-notice p {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0;
}

/* 主内容区域 */
.main-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 50px;
    margin-bottom: 70px;
    align-items: stretch;
    position: relative;
}

/* 中央分割线 */
.divider {
    width: 2px;
    height: 100%;
    min-height: 420px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--gpt-primary) 20%,
        var(--claude-primary) 80%,
        transparent
    );
    position: relative;
    animation: dividerGlow 3s ease-in-out infinite;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.divider::before {
    top: 0;
    background: var(--gpt-primary);
    box-shadow: 0 0 20px var(--gpt-primary);
}

.divider::after {
    bottom: 0;
    background: var(--claude-primary);
    box-shadow: 0 0 20px var(--claude-primary);
}

@keyframes dividerGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* 服务卡片 */
.service-card {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px 36px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    animation: fadeInUp 0.8s ease-out;
    min-height: 420px;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, transparent, currentColor, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}

.service-card:hover::before {
    opacity: 0.5;
}

.gpt-card {
    color: var(--gpt-primary);
    animation-delay: 0.1s;
}

.gpt-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--gpt-primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.gpt-card:hover::after {
    opacity: 0.05;
}

.claude-card {
    color: var(--claude-primary);
    animation-delay: 0.2s;
}

.claude-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--claude-primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.claude-card:hover::after {
    opacity: 0.05;
}

.service-card:hover {
    transform: translateY(-8px);
}

.card-inner {
    position: relative;
    z-index: 1;
    overflow: visible;
}

/* Logo */
.logo-container {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.4s;
}

.service-card:hover .logo-container {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.1);
}

.logo {
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 4px 12px currentColor);
}

.gpt-logo {
    color: var(--gpt-primary);
}

.claude-logo {
    color: var(--claude-primary);
}

/* 服务标题和描述 */
.service-title {
    font-size: 2.2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.service-desc {
    text-align: center;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
    font-size: 1rem;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: visible;
    width: 100%;
    margin-bottom: 24px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 0;
}

.btn:hover::before {
    width: 100%;
    height: 100%;
}

.btn > * {
    position: relative;
    z-index: 1;
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s;
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

.btn-gpt {
    background: var(--gpt-gradient);
    color: white;
    box-shadow: 0 8px 24px rgba(16, 163, 127, 0.3);
}

.btn-gpt:hover {
    box-shadow: 0 12px 32px rgba(16, 163, 127, 0.4);
    transform: translateY(-2px);
}

.btn-claude {
    background: var(--claude-gradient);
    color: white;
    box-shadow: 0 8px 24px rgba(204, 120, 92, 0.3);
}

.btn-claude:hover {
    box-shadow: 0 12px 32px rgba(204, 120, 92, 0.4);
    transform: translateY(-2px);
}

/* 特性标签 */
.features {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-tag {
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    transition: all 0.3s;
}

.gpt-card .feature-tag:hover {
    background: var(--gpt-light);
    color: var(--gpt-primary);
}

.claude-card .feature-tag:hover {
    background: var(--claude-light);
    color: var(--claude-primary);
}

/* 微信联系名片 */
.contact-card {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 32px;
    border: 1px solid var(--divider);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.contact-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.wechat-icon {
    width: 32px;
    height: 32px;
    color: #07c160;
}

.contact-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.wechat-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 28px;
    align-items: center;
}

.qr-code-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-placeholder {
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 2px dashed var(--divider);
    transition: all 0.3s;
}

.qr-placeholder:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: #07c160;
}

.qr-placeholder svg {
    width: 90px;
    height: 90px;
    color: var(--text-secondary);
}

.qr-placeholder p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.qr-code {
    width: 180px;
    height: 180px;
    border-radius: 16px;
    object-fit: cover;
}

.wechat-id-section {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.wechat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: -6px;
}

.wechat-id-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 2px solid var(--divider);
    transition: all 0.3s;
}

.wechat-id-box:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #07c160;
}

.wechat-id {
    flex: 1;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    letter-spacing: 0.05em;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: #07c160;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.copy-btn:hover {
    background: #06ad56;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(7, 193, 96, 0.3);
}

.copy-btn:active {
    transform: translateY(0);
}

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

.copy-btn.copied {
    background: #52c41a;
}

.service-note {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 12px 18px;
    background: rgba(7, 193, 96, 0.08);
    border-radius: 10px;
    border-left: 3px solid #07c160;
}

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-top: 24px;
    border-top: 1px solid var(--divider);
}

/* 动画 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .service-card {
        padding: 36px 32px;
    }
}

/* 浮动收藏按钮 */
.bookmark-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--gpt-primary) 0%, var(--claude-primary) 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: bookmarkFloat 3s ease-in-out infinite;
}

.bookmark-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 32px rgba(16, 163, 127, 0.4), 0 12px 32px rgba(204, 120, 92, 0.4);
}

.bookmark-btn:active {
    transform: translateY(-2px) scale(1);
}

.bookmark-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.bookmark-btn:hover .bookmark-icon {
    transform: scale(1.2) rotate(5deg);
}

.bookmark-btn.bookmarked .bookmark-icon {
    fill: white;
    animation: bookmarkPulse 0.6s ease-out;
}

.bookmark-text {
    white-space: nowrap;
}

@keyframes bookmarkFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes bookmarkPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.5);
    }
    100% {
        transform: scale(1);
    }
}

/* 收藏提示条（简化版） */
.bookmark-toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    z-index: 10000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.bookmark-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.bookmark-toast-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 320px;
}

.bookmark-toast-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    filter: drop-shadow(0 4px 12px rgba(16, 163, 127, 0.3)) drop-shadow(0 4px 12px rgba(204, 120, 92, 0.3));
    animation: bookmarkPulse 2s ease-in-out infinite;
}

.bookmark-toast-text {
    flex: 1;
}

.bookmark-toast-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.bookmark-toast-title kbd {
    display: inline-block;
    padding: 4px 10px;
    background: linear-gradient(135deg, var(--gpt-primary) 0%, var(--claude-primary) 100%);
    color: white;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 4px;
    box-shadow: 0 2px 8px rgba(16, 163, 127, 0.3);
}

.bookmark-toast-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.bookmark-toast-close {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 20px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.bookmark-toast-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* 价格表弹窗 */
.price-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.price-modal.show {
    display: flex;
    opacity: 1;
}

.price-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.price-modal-content {
    position: relative;
    background: linear-gradient(135deg, #1a2332 0%, #2a1a2a 100%);
    border-radius: 24px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(0.9) translateY(-20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.price-modal.show .price-modal-content {
    transform: scale(1) translateY(0);
}

.price-modal-header {
    padding: 24px 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.2);
}

.price-modal-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.price-modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 28px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.price-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.price-modal-body {
    padding: 32px;
    overflow-y: auto;
    max-height: calc(90vh - 100px);
}

/* 价格表格 */
.price-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.price-table thead {
    background: rgba(255, 255, 255, 0.05);
}

.price-table th {
    padding: 16px 20px;
    text-align: left;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.price-table tbody tr {
    transition: all 0.3s;
}

.price-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.price-table td {
    padding: 16px 20px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.price-table td:first-child {
    font-weight: 700;
    color: var(--text-primary);
}

.price-table td:nth-child(2) {
    color: #ffc107;
}

.price-table td:nth-child(3) {
    color: #4caf50;
    font-weight: 700;
}

.price-notes {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    border-radius: 8px;
    padding: 16px 20px;
    text-align: center;
}

.price-notes p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

.price-notes p:last-child {
    margin-bottom: 0;
}

/* Claude充值方式选择弹窗 */
.claude-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10002;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.claude-modal.show {
    display: flex;
    opacity: 1;
}

.claude-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
}

.claude-modal-content {
    position: relative;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a1a2a 100%);
    border-radius: 28px;
    max-width: 1000px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 24px 72px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(0.9) translateY(-30px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.claude-modal.show .claude-modal-content {
    transform: scale(1) translateY(0);
}

.claude-modal-header {
    padding: 28px 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.3);
}

.claude-modal-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.claude-modal-close {
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 30px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.claude-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.claude-modal-body {
    padding: 40px;
}

/* 选择卡片 */
.choice-cards {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
}

/* 步骤箭头 */
.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    color: var(--claude-primary);
    animation: arrowPulse 2s ease-in-out infinite;
}

.step-arrow svg {
    width: 48px;
    height: 48px;
}

@keyframes arrowPulse {
    0%, 100% {
        transform: translateX(0);
        opacity: 0.6;
    }
    50% {
        transform: translateX(8px);
        opacity: 1;
    }
}

/* 步骤序号 */
.step-number {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 48px;
    height: 48px;
    background: var(--claude-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(204, 120, 92, 0.4);
    z-index: 2;
}

.choice-card {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.choice-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(204, 120, 92, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.choice-card:hover {
    transform: translateY(-8px);
    border-color: var(--claude-primary);
    box-shadow: 0 16px 48px rgba(204, 120, 92, 0.3);
}

.choice-card:hover::before {
    opacity: 1;
}

.choice-card-featured {
    border-color: var(--claude-primary);
    background: rgba(204, 120, 92, 0.08);
}

.choice-card-featured::before {
    opacity: 0.5;
}

.featured-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--claude-primary) 0%, var(--claude-secondary) 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(204, 120, 92, 0.4);
}

.choice-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(204, 120, 92, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.4s;
}

.choice-card:hover .choice-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(204, 120, 92, 0.25);
}

.choice-icon svg {
    width: 40px;
    height: 40px;
    color: var(--claude-primary);
}

.choice-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.choice-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.choice-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
    width: 100%;
    position: relative;
    z-index: 1;
}

.choice-features li {
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.choice-features li:last-child {
    border-bottom: none;
}

.choice-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.choice-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s;
}

.choice-btn:hover svg {
    transform: translateX(4px);
}

.choice-btn-primary {
    background: var(--claude-gradient);
    color: white;
    box-shadow: 0 8px 24px rgba(204, 120, 92, 0.3);
}

.choice-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(204, 120, 92, 0.5);
}

.choice-btn-secondary {
    background: rgba(7, 193, 96, 0.9);
    color: white;
    box-shadow: 0 8px 24px rgba(7, 193, 96, 0.3);
}

.choice-btn-secondary:hover {
    background: #07c160;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(7, 193, 96, 0.5);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .service-card {
        padding: 36px 32px;
    }
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .divider {
        width: 80%;
        height: 2px;
        min-height: auto;
        margin: 0 auto;
        background: linear-gradient(
            to right,
            transparent,
            var(--gpt-primary) 20%,
            var(--claude-primary) 80%,
            transparent
        );
    }

    .divider::before {
        left: 0;
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .divider::after {
        right: 0;
        left: auto;
        top: 50%;
        transform: translate(50%, -50%);
    }

    .service-card {
        min-height: auto;
    }

    .wechat-info {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .claude-modal-content {
        width: 95%;
        border-radius: 20px;
    }

    .claude-modal-header {
        padding: 24px 28px;
    }

    .claude-modal-header h2 {
        font-size: 1.6rem;
    }

    .claude-modal-close {
        width: 40px;
        height: 40px;
        font-size: 26px;
    }

    .claude-modal-body {
        padding: 28px 24px;
    }

    .choice-cards {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 16px auto;
    }

    .choice-icon {
        width: 70px;
        height: 70px;
    }

    .choice-icon svg {
        width: 36px;
        height: 36px;
    }

    .choice-title {
        font-size: 1.6rem;
    }

    .choice-desc {
        font-size: 0.95rem;
    }

    .choice-features li {
        font-size: 0.9rem;
    }

    .choice-btn {
        font-size: 1rem;
        padding: 14px 28px;
    }

    .announcement-btn {
        top: 24px;
        right: 24px;
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .announcement-btn-icon {
        width: 18px;
        height: 18px;
    }

    .announcement-notice {
        flex-direction: column;
        padding: 14px 16px;
    }

    .notice-icon {
        width: 20px;
        height: 20px;
    }

    .announcement-notice p {
        font-size: 0.9rem;
    }

    .price-modal-content {
        width: 95%;
        border-radius: 16px;
    }

    .price-modal-header {
        padding: 20px 24px;
    }

    .price-modal-header h2 {
        font-size: 1.5rem;
    }

    .price-modal-close {
        width: 36px;
        height: 36px;
        font-size: 24px;
    }

    .price-modal-body {
        padding: 24px;
    }

    .price-table th,
    .price-table td {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .bookmark-toast-content {
        min-width: auto;
        max-width: calc(100vw - 48px);
        padding: 14px 20px;
        gap: 12px;
    }

    .bookmark-toast-icon {
        width: 28px;
        height: 28px;
    }

    .bookmark-toast-title {
        font-size: 0.95rem;
    }

    .bookmark-toast-title kbd {
        font-size: 0.9rem;
        padding: 3px 8px;
    }

    .bookmark-toast-subtitle {
        font-size: 0.8rem;
    }

    .bookmark-toast-close {
        width: 24px;
        height: 24px;
        font-size: 18px;
    }

    .bookmark-btn {
        bottom: 24px;
        right: 24px;
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .bookmark-icon {
        width: 20px;
        height: 20px;
    }

    .main-logo {
        width: 80px;
        height: 80px;
    }

    .main-title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .service-card {
        padding: 32px 28px;
    }

    .service-title {
        font-size: 1.8rem;
    }

    .logo-container {
        width: 90px;
        height: 90px;
    }

    .logo {
        width: 55px;
        height: 55px;
    }

    .btn {
        font-size: 1.05rem;
        padding: 14px 32px;
    }

    .wechat-id {
        font-size: 1.1rem;
    }

    .qr-placeholder {
        width: 160px;
        height: 160px;
    }

    .qr-placeholder svg {
        width: 80px;
        height: 80px;
    }

    .contact-card {
        padding: 28px 24px;
    }
}

@media (max-width: 480px) {
    .claude-modal-header {
        padding: 16px 20px;
    }

    .claude-modal-header h2 {
        font-size: 1.4rem;
    }

    .claude-modal-close {
        width: 36px;
        height: 36px;
        font-size: 26px;
    }

    .claude-modal-body {
        padding: 24px 20px;
    }

    .step-arrow {
        transform: rotate(90deg);
        width: 50px;
        height: 50px;
        margin: 12px auto;
    }

    .step-arrow svg {
        width: 36px;
        height: 36px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
        top: 16px;
        left: 16px;
    }

    .choice-icon {
        width: 60px;
        height: 60px;
    }

    .choice-icon svg {
        width: 32px;
        height: 32px;
    }

    .choice-title {
        font-size: 1.4rem;
    }

    .choice-desc {
        font-size: 0.9rem;
    }

    .choice-features li {
        font-size: 0.85rem;
        padding: 8px 0;
    }

    .choice-btn {
        font-size: 0.95rem;
        padding: 14px 28px;
    }

    .featured-badge {
        top: 12px;
        right: 12px;
        font-size: 0.75rem;
        padding: 5px 14px;
    }

    .announcement-btn {
        top: 16px;
        right: 16px;
        padding: 8px 14px;
        font-size: 0.85rem;
    }

    .announcement-btn-icon {
        width: 16px;
        height: 16px;
    }

    .announcement-btn-text {
        display: none;
    }

    .announcement-btn {
        border-radius: 50%;
        padding: 10px;
    }

    .announcement-notice {
        padding: 12px 14px;
    }

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

    .announcement-notice p {
        font-size: 0.85rem;
    }

    .price-modal-header {
        padding: 16px 20px;
    }

    .price-modal-header h2 {
        font-size: 1.3rem;
    }

    .price-modal-close {
        width: 32px;
        height: 32px;
        font-size: 22px;
    }

    .price-modal-body {
        padding: 20px;
    }

    .price-table {
        font-size: 0.85rem;
    }

    .price-table th,
    .price-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .price-notes {
        padding: 12px 16px;
    }

    .price-notes p {
        font-size: 0.85rem;
    }

    .bookmark-toast {
        top: 16px;
    }

    .bookmark-toast-content {
        padding: 12px 16px;
        gap: 10px;
    }

    .bookmark-toast-icon {
        width: 24px;
        height: 24px;
    }

    .bookmark-toast-title {
        font-size: 0.9rem;
    }

    .bookmark-toast-title kbd {
        font-size: 0.85rem;
        padding: 2px 6px;
    }

    .bookmark-toast-subtitle {
        font-size: 0.75rem;
    }

    .bookmark-btn {
        bottom: 16px;
        right: 16px;
        padding: 10px 16px;
        font-size: 0.9rem;
    }

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

    .bookmark-text {
        display: none;
    }

    .bookmark-btn {
        border-radius: 50%;
        padding: 12px;
    }

    .main-logo {
        width: 70px;
        height: 70px;
    }

    .main-title {
        font-size: 2rem;
    }

    .service-title {
        font-size: 1.6rem;
    }

    .service-desc {
        font-size: 0.95rem;
    }

    .logo-container {
        width: 80px;
        height: 80px;
    }

    .logo {
        width: 50px;
        height: 50px;
    }

    .btn {
        font-size: 1rem;
        padding: 14px 28px;
        gap: 10px;
    }

    .feature-tag {
        font-size: 0.85rem;
        padding: 7px 16px;
    }

    .contact-card {
        padding: 24px 20px;
    }

    .wechat-id {
        font-size: 1rem;
    }

    .wechat-id-box {
        flex-direction: column;
        align-items: stretch;
    }

    .copy-btn {
        width: 100%;
        justify-content: center;
    }

    .qr-placeholder {
        width: 140px;
        height: 140px;
    }

    .qr-placeholder svg {
        width: 70px;
        height: 70px;
    }
}