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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background: #f7fafc;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 40px 0;
}

.section-alt {
    background: #fff;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: #1a202c;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
    color: #1a202c;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2d3748;
}

p {
    margin-bottom: 1rem;
    color: #4a5568;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    color: white;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 100%;
    margin: 0 auto;
    padding: 0 10px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.service-card {
    text-align: center;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.table-container {
    overflow-x: auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th {
    background: #f7fafc;
    font-weight: 600;
    color: #2d3748;
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.process-item {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
}

.contact-info {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.contact-item {
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.link-item {
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    color: #4a5568;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.link-item:hover {
    background: #f7fafc;
    transform: translateY(-2px);
}

.footer {
    background: #2d3748;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.contact-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    z-index: 1000;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
}

.contact-btn {
    padding: 15px;
    text-align: center;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    background: none;
    cursor: pointer;
}

.contact-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.contact-btn:active {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(0.98);
}

.contact-btn:first-child {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

/* 为底部联系栏预留空间 */
body {
    padding-bottom: 60px;
}

/* Toast提示样式 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast.show {
    opacity: 1;
}

/* 移动端优化 - 所有样式都针对移动端设计 */
.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.card {
    padding: 1.5rem;
    margin: 0.8rem 0;
}

.service-card {
    aspect-ratio: auto;
    min-height: 120px;
}

.contact-grid,
.process-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
}

.links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.link-item {
    padding: 0.8rem;
    font-size: 0.9rem;
}