* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 1200px;
    margin: 0 auto;
    max-width: 100%;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #165DFF;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0E42D2;
}

.btn-outline {
    border: 1px solid #165DFF;
    color: #165DFF;
    background-color: transparent;
}

.btn-outline:hover {
    background-color: #165DFF;
    color: #fff;
}

.btn-danger {
    background-color: #F53F3F;
    color: #fff;
}

.btn-danger:hover {
    background-color: #D93026;
}

.btn-small {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-large {
    padding: 12px 40px;
    font-size: 16px;
}

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

.header {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 999;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: #165DFF;
}

.nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
}

.nav a:hover {
    color: #165DFF;
}

.section {
    padding: 60px 0;
}

.section-title {
    font-size: 28px;
    color: #1F2937;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #165DFF;
    margin: 10px auto 0;
}

.sub-title {
    font-size: 20px;
    margin: 30px 0 20px;
    color: #1F2937;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.block-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1F2937;
    padding-left: 15px;
    border-left: 3px solid #165DFF;
}

.intro-section {
    background-color: #fff;
    padding: 30px 0;
}

.intro-header {
    margin-bottom: 15px;
}

.intro-header .section-title {
    margin: 0;
    text-align: left;
    font-size: 24px;
}

.intro-header .section-title::after {
    margin: 8px 0 0;
    width: 40px;
}

.intro-content {
    max-width: 100%;
    margin: 0;
    font-size: 15px;
    color: #4B5563;
    position: relative;
}

.intro-summary {
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.8;
}

.intro-detail {
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease-out, opacity 0.3s ease;
    opacity: 0;
    line-height: 1.8;
}

.intro-detail.show {
    height: auto;
    opacity: 1;
    margin-top: 10px;
}

.intro-detail p {
    margin-bottom: 8px;
}

.toggle-btn {
    margin-top: 10px;
    padding: 4px 12px;
    font-size: 13px;
}

.company-section {
    background-color: #f5f7fa;
    padding: 50px 0;
    min-height: calc(100vh - 280px);
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.company-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.company-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.company-name {
    font-size: 20px;
    color: #1F2937;
    margin-bottom: 15px;
    font-weight: bold;
}

.company-desc {
    color: #4B5563;
    margin-bottom: 15px;
    font-size: 14px;
    overflow: hidden;
}

.view-count {
    color: #9CA3AF;
    font-size: 13px;
    margin-bottom: 15px;
}

.empty-tip {
    text-align: center;
    color: #9CA3AF;
    font-size: 16px;
    grid-column: 1 / -1;
    padding: 40px 0;
}

.form-section {
    background-color: #f5f7fa;
    min-height: calc(100vh - 180px);
}

.register-form, .resume-form {
    background-color: #fff;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    max-width: 1200px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1F2937;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #D1D5DB;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: #165DFF;
    box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.required {
    color: #F53F3F;
}

.tip {
    font-size: 12px;
    color: #6B7280;
    margin-top: 5px;
}

.job-item {
    border: 1px solid #E5E7EB;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    background-color: #F9FAFB;
}

.form-submit {
    text-align: center;
    margin-top: 40px;
}

.query-box {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.query-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: #1F2937;
}

.query-form {
    max-width: 800px;
    margin: 0 auto;
}

.flex-1 {
    flex: 1;
}

.flex-auto {
    flex: 0 0 200px;
}

.query-result {
    margin-bottom: 30px;
}

.result-card {
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.result-card.success {
    background-color: #F0F9FF;
    border: 1px solid #BFDBFE;
}

.result-card.error {
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
}

.result-card h3 {
    margin-bottom: 20px;
    color: #1F2937;
}

.result-card p {
    margin-bottom: 10px;
    font-size: 15px;
}

.success-tip {
    color: #059669;
    font-weight: bold;
    margin-top: 15px;
}

.error-tip {
    color: #DC2626;
    font-weight: bold;
    margin-top: 15px;
}

.warning-tip {
    color: #D97706;
    font-weight: bold;
    margin-top: 15px;
}

.login-section {
    background-color: #f5f7fa;
    min-height: calc(100vh - 180px);
    display: flex;
    align-items: center;
}

.login-box {
    background-color: #fff;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
}

.login-form {
    margin-top: 30px;
}

.footer {
    background-color: #1F2937;
    color: #fff;
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
}

.footer p {
    margin-bottom: 8px;
}

@media (max-width: 1200px) {
    .container {
        width: 100%;
    }
    .company-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .company-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .nav {
        gap: 10px;
        flex-wrap: wrap;
    }
    .nav a {
        font-size: 14px;
    }
    .logo {
        font-size: 18px;
    }
    .section {
        padding: 40px 0;
    }
    .section-title {
        font-size: 24px;
    }
    .register-form, .resume-form, .login-box {
        padding: 20px;
    }
    .query-box {
        padding: 20px;
    }
}