body {
    background-color: #f5f7fa;
    color: var(--text-color);
    line-height: 1.6;
}

.display_none{
    display : none;
}

.container {
    width: 100%;
    max-width: 75rem; /* 1200px -> 75rem */
    margin: 0 auto;
    padding: 0 0.9375rem; /* 15px -> 0.9375rem */
}

header {
    background: linear-gradient(135deg, var(--primary-color), #2980b9);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 2vw, 1rem) 0;
    min-height: 3.5rem;
}


.logo {
    font-size: clamp(1.6rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.join-btn {
    background: linear-gradient(135deg, var(--success-color), #219653);
    color: var(--text-white);
    border: none;
    padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(0.5rem, 3vw, 0.75rem);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    font-size: clamp(1.6rem, 2vw, 2em);
    box-shadow: 0 0.125rem 0.5rem rgba(39, 174, 96, 0.3);
    position: relative;
    overflow: hidden;
}

.join-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.join-btn:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.25rem 0.75rem rgba(39, 174, 96, 0.4);
    background: linear-gradient(135deg, #219653, var(--success-color));
}

.join-btn:hover::before {
    left: 100%;
}

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

/* 搜索按钮区域 */
.search-button-section {
    display: flex;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.search-button-section.sticky {
    position: fixed;
    top: 25vh;
    right: 0;
}

.sticky-spacer {
    height: 0;
    transition: var(--transition);
}

.search-btn-large {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), #2980b9);
    color: white;
    border: none;
    padding: clamp(0.75rem, 3vw, 1rem) clamp(0.375rem, 1.5vw, 0.6rem); 
    border-radius: var(--border-radius);
    font-size: clamp(1rem, 4vw, 1.1rem); 
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0;
    box-shadow: 0 0.25rem 0.9375rem rgba(52, 152, 219, 0.3); /* 4px 15px -> 0.25rem 0.9375rem */
}

.search-btn-large:hover {
    transform: translateY(-0.125rem); /* 2px -> 0.125rem */
    box-shadow: 0 0.375rem 1.25rem rgba(52, 152, 219, 0.4); /* 6px 20px -> 0.375rem 1.25rem */
}

.search-icon {
    font-size: clamp(1rem, 4vw, 1.2rem); 
}

/* 搜索弹窗 */
.search-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    overflow-y: auto;
    padding: 1.25rem; /* 20px -> 1.25rem */
}

.search-modal-content {
    background-color: white;
    border-radius: 0.75rem; /* 12px -> 0.75rem */
    max-width: 50rem; /* 800px -> 50rem */
    margin: clamp(1.25rem, 10vw, 2.5rem) auto; 
    box-shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.3); /* 10px 30px -> 0.625rem 1.875rem */
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-3.125rem); /* 50px -> 3.125rem */
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-modal-header {
    background: linear-gradient(135deg, var(--primary-color), #2980b9);
    color: white;
    padding: clamp(1rem, 4vw, 1.25rem) clamp(1.25rem, 5vw, 1.5625rem); 
    position: relative;
}

.search-modal-header h2 {
    margin: 0;
    font-size: clamp(1.2rem, 5vw, 1.5rem); 
    font-weight: 600;
}

.search-modal-close {
    position: absolute;
    top: 0.9375rem; /* 15px -> 0.9375rem */
    right: 1.25rem; /* 20px -> 1.25rem */
    background: none;
    border: none;
    color: white;
    font-size: clamp( 4rem, 3vw, 4.6rem); 
    cursor: pointer;
    width: 1.875rem; /* 30px -> 1.875rem */
    height: 1.875rem; /* 30px -> 1.875rem */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.search-modal-body {
    padding: clamp(1.25rem, 5vw, 1.875rem); 
}

.search-modal-box {
    display: flex;
    margin-bottom: clamp(1rem, 4vw, 1.5625rem); 
}

.search-modal-box input {
    flex: 1;
    padding: clamp(0.75rem, 3vw, 0.9375rem) clamp(1rem, 4vw, 1.25rem); 
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: clamp(0.9rem, 3.5vw, 1rem); 
    outline: none;
    transition: var(--transition);
}

.search-modal-box input:focus {
    border-color: var(--primary-color);
}

.search-modal-box button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0 clamp(1.25rem, 5vw, 1.5625rem); 
    cursor: pointer;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-weight: 600;
    transition: var(--transition);
    font-size: clamp(0.9rem, 3.5vw, 1rem); 
}

.search-modal-box button:hover {
    background-color: #2980b9;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(10rem, 30vw, 12.5rem), 1fr)); 
    gap: clamp(0.75rem, 2vw, 0.9375rem); 
    margin-bottom: clamp(1rem, 4vw, 1.25rem); 
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-label {
    font-size: clamp(1.3rem, 3vw, 1.6rem); 
    font-weight: 600;
    margin-bottom: clamp(0.375rem, 1.5vw, 0.5rem); 
    color: var(--secondary-color);
}

.filter-select {
    padding: clamp(0.6rem, 2.5vw, 0.75rem) clamp(0.75rem, 3vw, 0.9375rem); 
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    background-color: white;
    font-size: clamp(1.3rem, 3vw, 1.6rem); 
    transition: var(--transition);
}

.filter-select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.salary-inputs {
    display: flex;
    gap: clamp(0.5rem, 2vw, 0.625rem); 
    align-items: center;
}

.salary-input {
    flex: 1;
    padding: clamp(0.6rem, 2.5vw, 0.75rem) 0; 
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: clamp(1.3rem, 3vw, 1.6rem); 
}

.salary-input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.salary-separator {
    color: #666;
    font-size: clamp(0.9rem, 3.5vw, 1rem); 
}

.filter-actions {
    display: flex;
    gap: clamp(0.75rem, 3vw, 0.9375rem); 
    margin-top: clamp(1rem, 4vw, 1.25rem); 
    padding-top: clamp(1rem, 4vw, 1.25rem); 
    border-top: 1px solid #e9ecef;
}

.filter-btn {
    padding: clamp(0.6rem, 2.5vw, 0.75rem) clamp(1.25rem, 5vw, 1.5625rem); 
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    flex: 1;
    font-size: clamp(1.3rem, 3vw, 1.6rem); 
}

.search-modal-btn {
    background-color: var(--success-color);
    color: white;
}

.search-modal-btn:hover {
    background-color: #219653;
    transform: translateY(-0.125rem); /* 2px -> 0.125rem */
}

.reset-modal-btn {
    background-color: #f8f9fa;
    color: var(--text-color);
    border: 2px solid #e9ecef;
}

.reset-modal-btn:hover {
    background-color: #e9ecef;
}

/* 招聘列表 */
.jobs-container {
    display: grid;
    gap: clamp(1rem, 4vw, 1.25rem); 
    margin-top: clamp(0.5rem, 2vw, 0.8rem); 
}

.job-card {
    background: white;
    border-radius: var(--border-radius);
    padding: clamp(1rem, 4vw, 1.5625rem); 
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 0.125rem solid var(--primary-color); /* 0.2rem -> 0.125rem */
}

.job-card:hover {
    transform: translateY(-0.125rem); /* 2px -> 0.125rem */
    box-shadow: 0 0.5rem 1.5625rem rgba(0, 0, 0, 0.15); /* 8px 25px -> 0.5rem 1.5625rem */
}

.job-card.featured {
    border-color: var(--warning-color);
    background: linear-gradient(135deg, #fff9e6 0%, white 100%);
}

.job-card.urgent {
    border-color: var(--accent-color);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.job-title-section {
    flex: 1;
}

.job-location {
    color: #666;
    font-size: 0.9em;
    font-weight: normal;
    margin-left: 0.5rem; /* 8px -> 0.5rem */
}

.job-title {
    font-size: clamp(1.5rem, 4vw, 1.8rem); 
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: clamp(0.25rem, 1vw, 0.3125rem); 
}

.job-company {
    font-size: clamp(1.5rem, 3.5vw, 1.8rem);
    color: var(--primary-color);
    font-weight: 600;
}

.company-info-btn {
    background: none;
    border: 1px solid #000;
    color: #666;
    padding: clamp(0.2rem, 1vw, 0.25rem) clamp(0.5rem, 2vw, 0.625rem); 
    border-radius: 0.25rem; /* 4px -> 0.25rem */
    font-size: clamp(1rem, 4vw, 1.3rem);
    cursor: pointer;
    align-items: center;
    gap: clamp(0.2rem, 1vw, 0.25rem); 
    margin-left: clamp(0.5rem, 2vw, 0.625rem); 
    transition: all 0.2s;
}

.company-info-btn:hover {
    background-color: #f8f9fa;
    border-color: #007bff;
    color: #007bff;
}

/* 公司信息弹窗 */
.company-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 3000;
}

.company-modal-content {
    background: white;
    border-radius: 0.75rem; /* 12px -> 0.75rem */
    max-width: 50rem; /* 800px -> 50rem */
    margin: clamp(2rem, 10vw, 3.125rem) auto; 
    padding: clamp(1.25rem, 5vw, 1.875rem); 
    position: relative;
}

.job-tags {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(0.375rem, 1.5vw, 0.5rem); 
    margin-bottom: clamp(0.5rem, 2vw, 0.625rem); 
}

.job-tag {
    background-color: var(--light-color);
    color: var(--primary-color);
    padding: clamp(0.2rem, 1vw, 0.25rem) clamp(0.5rem, 2vw, 0.625rem); 
    border-radius: 1.25rem; /* 20px -> 1.25rem */
    font-size: clamp(1.1rem, 2.5vw, 1.4rem); 
    font-weight: 500;
}

.job-tag.featured {
    background-color: var(--warning-color);
    color: white;
}

.job-tag.urgent {
    background-color: var(--accent-color);
    color: white;
}

.job-salary {
    text-align: right;
}

.salary-amount {
    font-size: clamp(1.2rem, 5vw, 1.4rem); 
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: clamp(0.25rem, 1vw, 0.3125rem); 
}

.job-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(8rem, 25vw, 12.5rem), 1fr)); 
    gap: clamp(0.25rem, 1vw, 0.375rem); 
    margin-bottom: clamp(0.25rem, 1vw, 0.3125rem); 
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    padding: clamp(0.5rem, 2vw, 0.75rem); 
}

.detail-item {
    display: flex;
    align-items: center;
    gap: clamp(0.375rem, 1.5vw, 0.5rem); 
}

.detail-icon {
    font-size: clamp(0.9rem, 3.5vw, 1.1rem); 
    width:auto;
    text-align: center;
}

.detail-text {
    font-size: clamp(1rem, 3vw, 1.1rem); 
    color: #555;
}

.job-description {
    margin-bottom: clamp(0.15rem, 0.75vw, 0.2rem); 
    color: #666;
    line-height: 1.6;
    font-size: clamp(1.3rem, 3vw, 1.8rem); 
}

.detail-report {
    margin-top: clamp(1rem, 3vw, 1.5rem);
    padding: clamp(1rem, 3vw, 1.5rem);
}

.detail-report-label {
    display: block;
    margin-bottom: clamp(0.5rem, 1.5vw, 0.8rem);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
}

.detail-report-select, .report-textarea {
    width: 100%;
    padding: clamp(0.75rem, 2vw, 1rem);
    border: 1px solid #ddd;
    border-radius: clamp(0.4rem, 1vw, 0.6rem);
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
}

.report-textarea {
    min-height: clamp(100px, 25vw, 120px);
    resize: vertical;
}

.report-btn {
    width: 100%;
    background: #e74c3c;
    color: white;
    border: none;
    padding: clamp(0.8rem, 2.5vw, 1rem);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    border-radius: clamp(0.4rem, 1vw, 0.6rem);
    cursor: pointer;
}

.collapse-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(0.375rem, 1.5vw, 0.5rem); 
    padding: clamp(0.3rem, 1.5vw, 0.5rem); 
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    cursor: pointer;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
    user-select: none;
    font-size: clamp(0.85rem, 3vw, 0.95rem); 
}

.collapse-trigger:hover {
    background-color: #e9ecef;
}

.collapse-icon {
    font-size: clamp(0.8rem, 3vw, 0.875rem); /* 14px -> 0.875rem */
    transition: transform 0.3s ease;
}

.collapse-icon.collapsed {
    transform: rotate(-90deg);
}

.collapse-text {
    font-size: clamp(1.5rem, 3vw, 2rem); 
}

.collapse-content {
    max-height: 62.5rem; /* 1000px -> 62.5rem */
    overflow: hidden;
    transition: all 0.3s ease;
}

.collapse-content.collapsed {
    max-height: 0;
    opacity: 0;
}

/* 折叠内容的特殊样式 */
.requirements-list {
    list-style: none;
    padding-left: 0;
}

.requirements-list li {
    padding: clamp(0.25rem, 1vw, 0.3125rem) 0; 
    color: #666;
    position: relative;
    padding-left: 1.25rem; /* 20px -> 1.25rem */
    font-size: clamp(1.2rem, 3vw, 1.7rem); 
}

.requirements-list li:before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.requirements-title {
    font-size: clamp(1.3rem, 3.5vw, 1.8rem); 
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: clamp(0.5rem, 2vw, 0.625rem); 
}

.job-actions {
    display: flex;
    gap: clamp(0.75rem, 3vw, 0.9375rem); 
}

.action-btn {
    flex: 1;
    padding: 0 clamp(0.5rem, 4vw, 0.7rem); 
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    font-size: clamp(1.3rem, 3vw, 1.8rem); 
}

.apply-btn {
    background-color: var(--success-color);
    color: white;
}

.apply-btn:hover {
    background-color: #219653;
}

.save-btn {
    background-color: #f8f9fa;
    color: var(--text-color);
    border: 1px solid #ddd;
}

.save-btn:hover {
    background-color: #e9ecef;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 0.625rem); 
    margin-top: clamp(1.5rem, 6vw, 2.5rem); 
    padding: clamp(1rem, 4vw, 1.25rem) 0; 
}


/* 响应式设计 */
@media (max-width: 768px) {
    .job-card {
        padding: clamp(0.75rem, 3vw, 1rem); 
    }
    
    .job-header {
        flex-direction: column;
        gap: clamp(0.5rem, 2vw, 0.75rem); 
    }
    
    .job-salary {
        text-align: left;
        width: 100%;
    }
    
    .job-details {
        grid-template-columns: repeat(auto-fit, minmax(6rem, 1fr));
        gap: clamp(0.5rem, 2vw, 0.75rem); 
    }
    
    .search-modal-content {
        margin: clamp(1rem, 5vw, 1.25rem) auto; 
    }
    
    .search-modal-body {
        padding: clamp(1rem, 4vw, 1.25rem); 
    }
}

@media (max-width: 480px) {
    .salary-inputs {
        flex-direction: row;
        gap: clamp(0.25rem, 1vw, 0.3125rem); 
    }
    
    .salary-separator {
        display: none;
    }
    
    .filter-actions {
        flex-direction: column;
    }
    
    .job-card {
        padding: clamp(0.5rem, 2vw, 0.75rem) clamp(0.75rem, 3vw, 1rem); 
    }
    
    .job-details {
        grid-template-columns: 1fr 1fr 1fr;
        gap: clamp(0.5rem, 2vw, 0.625rem); 
    }
}

@media (min-width: 1024px) {
    .job-card .collapse-content {
        max-height: none !important;
        opacity: 1 !important;
    }
}