/* 现代化重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --shadow-light: 0 8px 32px rgba(31, 38, 135, 0.37);
    --shadow-medium: 0 15px 35px rgba(31, 38, 135, 0.5);
    --shadow-heavy: 0 25px 50px rgba(31, 38, 135, 0.7);
    --border-radius: 20px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    color: var(--text-primary);
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 高级浮动元素系统 */
.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.floating-element {
    position: absolute;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 50%;
    filter: blur(1px);
    animation: float linear infinite;
    backdrop-filter: blur(2px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-element:nth-child(odd) {
    background: linear-gradient(45deg, rgba(103, 126, 234, 0.15), rgba(118, 75, 162, 0.1));
}

.floating-element:nth-child(3n) {
    background: linear-gradient(45deg, rgba(240, 147, 251, 0.15), rgba(245, 87, 108, 0.1));
}

@keyframes float {
    0% {
        transform: translateX(-150px) translateY(120vh) rotate(0deg) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateX(-100px) translateY(110vh) rotate(45deg) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateX(calc(100vw + 100px)) translateY(-10vh) rotate(315deg) scale(1);
    }
    100% {
        transform: translateX(calc(100vw + 150px)) translateY(-20vh) rotate(360deg) scale(0);
        opacity: 0;
    }
}

/* 主容器 - 现代玻璃态设计 */
.container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 40px;
    backdrop-filter: blur(20px);
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    margin-top: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* 英雄区域 - 增强版 */
.hero-section {
    text-align: center;
    padding: 20px 0 30px;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.name {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 10px;
    position: relative;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.tech-text {
    background: linear-gradient(45deg, #00f5ff, #ffffff, #ff6b6b, #4ecdc4, #45b7d1);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: techGlow 4s ease-in-out infinite;
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 0 20px rgba(0, 245, 255, 0.3));
}

.tech-text::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, transparent, rgba(0, 245, 255, 0.1), transparent);
    animation: techScan 3s linear infinite;
    z-index: -1;
    border-radius: 10px;
}

@keyframes techGlow {
    0%, 100% {
        background-position: 0% 50%;
        filter: drop-shadow(0 0 20px rgba(0, 245, 255, 0.3)) drop-shadow(0 0 40px rgba(255, 107, 107, 0.2));
    }
    33% {
        background-position: 50% 0%;
        filter: drop-shadow(0 0 25px rgba(255, 107, 107, 0.4)) drop-shadow(0 0 45px rgba(78, 205, 196, 0.3));
    }
    66% {
        background-position: 100% 50%;
        filter: drop-shadow(0 0 30px rgba(78, 205, 196, 0.4)) drop-shadow(0 0 50px rgba(69, 183, 209, 0.3));
    }
}

@keyframes techScan {
    0% { transform: translateX(-200%) skewX(-15deg); }
    100% { transform: translateX(200%) skewX(-15deg); }
}

.title {
    font-size: clamp(0.8rem, 2vw, 1rem);
    opacity: 0.9;
    font-weight: 400;
    letter-spacing: 0.5px;
    position: relative;
    line-height: 1.4;
    margin-top: 15px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.typing-text {
    display: inline-block;
    position: relative;
    white-space: pre-line;
}

.typing-text::after {
    content: '|';
    color: rgba(255, 255, 255, 0.8);
    animation: blink 1.2s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}
/* 内容区域 - 现代网格布局 */
.content {
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 20px;
}

section {
    position: relative;
}

/* 标题样式 - 未来感设计 */
h2 {
    color: var(--text-primary);
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
    letter-spacing: 2px;
    position: relative;
    padding: 15px 0;
    text-transform: uppercase;
}

h2::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-gradient);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(79, 172, 254, 0.5);
}

h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-50%);
    border-radius: 1px;
}

.services h2 {
    animation: slideInLeft 1s ease-out;
}

.contact h2 {
    animation: slideInRight 1s ease-out;
}

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-100px);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
        filter: blur(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(100px);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
        filter: blur(0);
    }
}

/* 支持列表 - 高级卡片设计 */
.support-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 100%;
}

.support-item {
    display: flex;
    align-items: flex-start;
    background: var(--glass-bg);
    padding: 16px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    min-height: 80px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.support-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.support-item:hover::before {
    opacity: 1;
}

.support-item:hover {
    transform: translateY(-8px) translateX(5px);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-heavy);
    border-color: rgba(255, 255, 255, 0.3);
}

.support-icon {
    font-size: 1.8rem;
    margin-right: 15px;
    margin-top: 3px;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 12px;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(79, 172, 254, 0.3);
    position: relative;
    overflow: hidden;
}

.support-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: iconShine 3s linear infinite;
}

@keyframes iconShine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}
.support-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 50px;
}

.support-content h3 {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 6px;
    font-weight: 600;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 6px;
}

.support-content p {
    color: var(--text-secondary);
    font-size: 0.75rem;
    line-height: 1.3;
    margin: 0;
    opacity: 0.8;
}

.support-item.clickable::after {
    content: '→';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.4rem;
    font-weight: bold;
    transition: var(--transition);
    opacity: 0.7;
}

.support-item.clickable:hover::after {
    color: var(--text-primary);
    transform: translateY(-50%) translateX(6px);
    opacity: 1;
}

.support-item:not(.clickable)::after {
    content: '💬';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    transition: var(--transition);
    opacity: 0.7;
}

.support-item:not(.clickable):hover::after {
    transform: translateY(-50%) scale(1.2);
    opacity: 1;
}

/* 闪烁文本 - 增强版 */
.flash-text {
    background: linear-gradient(45deg, #ff6b6b, #feca57, #ff9ff3, #54a0ff);
    background-size: 300% 300%;
    color: #ffffff;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 6px;
    animation: flashGlow 1.5s ease-in-out infinite;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.4);
    display: inline-block;
    margin-left: 6px;
    font-size: 0.6em;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    position: relative;
    top: -1px;
    vertical-align: middle;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes flashGlow {
    0%, 100% {
        background-position: 0% 50%;
        box-shadow: 0 0 20px rgba(255, 107, 107, 0.4), 0 0 40px rgba(255, 107, 107, 0.2);
        transform: scale(1);
    }
    25% {
        background-position: 25% 25%;
        box-shadow: 0 0 25px rgba(254, 202, 87, 0.5), 0 0 45px rgba(254, 202, 87, 0.3);
        transform: scale(1.05);
    }
    50% {
        background-position: 50% 0%;
        box-shadow: 0 0 30px rgba(255, 159, 243, 0.5), 0 0 50px rgba(255, 159, 243, 0.3);
        transform: scale(1.1);
    }
    75% {
        background-position: 75% 75%;
        box-shadow: 0 0 25px rgba(84, 160, 255, 0.5), 0 0 45px rgba(84, 160, 255, 0.3);
        transform: scale(1.05);
    }
}

/* 联系信息 - 统一卡片样式 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 100%;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    background: var(--glass-bg);
    padding: 16px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    min-height: 80px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item:hover {
    transform: translateY(-8px) translateX(5px);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-heavy);
    border-color: rgba(255, 255, 255, 0.3);
}

.contact-item .icon {
    font-size: 1.8rem;
    margin-right: 15px;
    margin-top: 3px;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-gradient);
    border-radius: 12px;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(240, 147, 251, 0.3);
    position: relative;
    overflow: hidden;
}

.contact-item .icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: iconShine 3s linear infinite;
}

.contact-item a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.2;
    transition: var(--transition);
    flex: 1;
    display: flex;
    align-items: center;
    min-height: 50px;
}

.contact-item a:hover {
    opacity: 0.8;
}

.contact-item::after {
    content: '→';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.4rem;
    font-weight: bold;
    transition: var(--transition);
    opacity: 0.7;
}

.contact-item:hover::after {
    color: var(--text-primary);
    transform: translateY(-50%) translateX(6px);
    opacity: 1;
}
/* 模态框 - 现代化设计 */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: modalFadeIn 0.4s ease;
}

.modal-content {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    margin: 5% auto;
    padding: 40px;
    border-radius: 24px;
    width: 90%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    animation: modalSlideIn 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.close {
    position: absolute;
    top: 20px;
    right: 25px;
    color: #666;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
}

.close:hover {
    color: #333;
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    gap: 20px;
}

.modal-icon {
    width: 50px;
    height: 50px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.modal-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    animation: iconShine 2s linear infinite;
}

.modal-icon.wechat {
    background: linear-gradient(135deg, #07C160 0%, #00A854 100%);
}

.modal-icon.qq {
    background: linear-gradient(135deg, #12B7F5 0%, #0099E0 100%);
}

#modalTitle {
    margin: 0;
    color: #333;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.modal-qr {
    background: white;
    padding: 25px;
    border-radius: 20px;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.modal-qr img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 12px;
}

.modal-tip {
    color: #666;
    font-size: 1rem;
    margin: 0;
    opacity: 0.8;
    font-weight: 500;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-100px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 商务模态框 */
#businessModal {
    z-index: 2500;
}

.business-modal-content {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    margin: 3% auto;
    padding: 40px;
    border-radius: 24px;
    width: 90%;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    animation: modalSlideIn 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.business-header {
    margin-bottom: 40px;
}

.business-header h3 {
    color: #333;
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.business-header p {
    color: #666;
    font-size: 1.1rem;
    opacity: 0.8;
    font-weight: 500;
}

.business-contacts {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.business-contact-item {
    text-align: center;
    transition: var(--transition);
}

.business-contact-item:hover {
    transform: translateY(-5px);
}

.business-qr {
    width: 140px;
    height: 140px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 15px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.business-qr::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.business-qr:hover::before {
    opacity: 1;
}

.business-qr:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.business-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.business-contact-item h4 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.business-contact-item p {
    color: #666;
    font-size: 1rem;
    opacity: 0.8;
    font-weight: 500;
}
/* 响应式设计 - 现代化断点 */
@media (max-width: 1200px) {
    .container {
        max-width: 1000px;
        padding: 50px 30px;
        margin: 30px 20px;
    }
    
    .content {
        gap: 40px;
    }
    
    .support-item, .contact-item {
        min-height: 100px;
    }
}

@media (max-width: 768px) {
    .container {
        width: 100%;
        min-height: 100vh;
        padding: 30px 20px;
        margin: 0;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.05);
        box-shadow: none;
        border: none;
    }
    
    .hero-section {
        padding: 40px 0 50px;
    }
    
    .name {
        font-size: clamp(2rem, 8vw, 3rem);
        margin-bottom: 15px;
    }
    
    .title {
        font-size: clamp(0.9rem, 4vw, 1.1rem);
        margin-top: 20px;
        padding: 0 10px;
    }
    
    .content {
        display: block;
        gap: 0;
        padding: 0;
    }
    
    section {
        margin-bottom: 40px;
    }
    
    h2 {
        font-size: clamp(1.3rem, 5vw, 1.8rem);
        margin-bottom: 30px;
    }
    
    .support-list, .contact-info {
        gap: 16px;
    }
    
    .support-item, .contact-item {
        padding: 20px;
        min-height: 100px;
        border-radius: 16px;
    }
    
    .support-icon, .contact-item .icon {
        font-size: 2rem;
        width: 50px;
        height: 50px;
        margin-right: 15px;
        border-radius: 12px;
    }
    
    .support-content h3, .contact-item a {
        font-size: 1.1rem;
    }
    
    .support-content p {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    .support-item::after, .contact-item::after {
        right: 20px;
        font-size: 1.5rem;
    }
    
    .flash-text {
        font-size: 0.65em;
        padding: 3px 6px;
        margin-left: 6px;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        max-width: 380px;
        padding: 30px 25px;
        border-radius: 20px;
    }
    
    .business-modal-content {
        margin: 5% auto;
        width: 95%;
        max-width: 450px;
        padding: 30px 25px;
    }
    
    .business-contacts {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }
    
    .business-qr {
        width: 120px;
        height: 120px;
        margin-bottom: 15px;
    }
    
    .business-header h3 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 30px 0 40px;
    }
    
    .container {
        padding: 20px 15px;
    }
    
    .content {
        padding: 0;
    }
    
    .support-list, .contact-info {
        gap: 12px;
    }
    
    .support-item, .contact-item {
        padding: 16px;
        min-height: 90px;
        border-radius: 14px;
    }
    
    .support-icon, .contact-item .icon {
        font-size: 1.8rem;
        width: 45px;
        height: 45px;
        margin-right: 12px;
        border-radius: 10px;
    }
    
    .support-content h3, .contact-item a {
        font-size: 1rem;
    }
    
    .support-content p {
        font-size: 0.8rem;
    }
    
    .support-item::after, .contact-item::after {
        right: 15px;
        font-size: 1.3rem;
    }
    
    .flash-text {
        font-size: 0.6em;
        padding: 2px 4px;
        margin-left: 4px;
    }
    
    .modal-content {
        padding: 25px 20px;
        border-radius: 18px;
    }
    
    .business-modal-content {
        padding: 25px 20px;
        border-radius: 18px;
    }
    
    .business-qr {
        width: 100px;
        height: 100px;
    }
    
    .business-header h3 {
        font-size: 1.5rem;
    }
}

/* 高级动画和微交互 */
@media (prefers-reduced-motion: no-preference) {
    .support-item, .contact-item {
        animation: cardFadeIn 0.6s ease forwards;
        opacity: 0;
    }
    
    .support-item:nth-child(1) { animation-delay: 0.1s; }
    .support-item:nth-child(2) { animation-delay: 0.2s; }
    .support-item:nth-child(3) { animation-delay: 0.3s; }
    .support-item:nth-child(4) { animation-delay: 0.4s; }
    
    .contact-item:nth-child(1) { animation-delay: 0.1s; }
    .contact-item:nth-child(2) { animation-delay: 0.2s; }
    .contact-item:nth-child(3) { animation-delay: 0.3s; }
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #3a8bfe 0%, #00d4fe 100%);
}

/* 选择文本样式 */
::selection {
    background: rgba(79, 172, 254, 0.3);
    color: white;
}

::-moz-selection {
    background: rgba(79, 172, 254, 0.3);
    color: white;
}