/* 表单整体样式 */
.form-section {
    padding: 120px 0 80px;
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
}

.form-header {
    text-align: center;
    margin-bottom: 50px;
}

.form-header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.form-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 20px;
}

.application-form {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.form-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-step h2 {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
    color: var(--light);
    font-size: 1.8rem;
}

.form-step h2 span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    color: var(--dark);
    font-weight: bold;
    font-size: 1.2rem;
}

.step-description {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.step-description p {
    color: var(--gray);
    font-size: 1.05rem;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--light);
    font-size: 1.05rem;
}

.form-group label i {
    color: var(--primary);
    width: 20px;
    text-align: center;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--light);
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    padding-right: 45px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23d4af37' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 12px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.phone-input-group {
    display: flex;
    gap: 15px;
}

.phone-input-group input {
    flex: 1;
}

.btn-code {
    padding: 0 25px;
    background: var(--primary);
    color: var(--dark);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn-code:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-code:disabled {
    background: var(--gray);
    cursor: not-allowed;
    transform: none;
}

.countdown {
    margin-top: 8px;
    color: var(--primary);
    font-size: 0.9rem;
}

.upload-area {
    border: 3px dashed rgba(212, 175, 55, 0.3);
    border-radius: 15px;
    padding: 50px 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: rgba(255, 255, 255, 0.03);
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(212, 175, 55, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.upload-title {
    font-size: 1.2rem;
    color: var(--light);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 0.9rem;
    color: var(--gray);
}

.preview-container {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.preview-image,
.preview-video {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.preview-image img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.preview-video video {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    background: rgba(255, 50, 50, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.remove-btn:hover {
    background: rgba(255, 50, 50, 1);
    transform: scale(1.1);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.checkbox-item:hover {
    border-color: var(--primary);
    background: rgba(212, 175, 55, 0.05);
}

.checkbox-item input[type="checkbox"] {
    width: auto;
    margin: 0;
    transform: scale(1.2);
}

.checkbox-item label {
    margin: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

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

.form-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    gap: 20px;
}

.btn-prev,
.btn-next,
.btn-submit {
    padding: 16px 40px;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    min-width: 150px;
}

.btn-prev {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-prev:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-next,
.btn-submit {
    background: var(--primary);
    color: var(--dark);
    border: 2px solid transparent;
}

.btn-next:hover,
.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
}

.progress-container {
    margin-top: 60px;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-bottom: 25px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 3px;
    width: 25%;
    transition: width 0.3s ease;
}

.progress-labels {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--gray);
    margin-bottom: 8px;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.step-number.active {
    background: var(--primary);
    color: var(--dark);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.step-label {
    font-size: 0.9rem;
    color: var(--gray);
    text-align: center;
    white-space: nowrap;
}

.summary {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.summary p {
    margin-bottom: 12px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

.summary strong {
    color: var(--primary);
    margin-right: 10px;
    min-width: 100px;
    display: inline-block;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    max-width: 600px;
    width: 90%;
    border: 1px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    animation: modalIn 0.5s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    margin-bottom: 30px;
}

.modal-icon.success {
    font-size: 4.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.modal-content h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--light);
}

.modal-body {
    margin-bottom: 40px;
}

.modal-body p {
    margin-bottom: 15px;
    color: var(--gray);
    line-height: 1.6;
    font-size: 1.1rem;
}

.modal-details {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 20px;
    margin: 25px 0;
    text-align: left;
}

.modal-details p {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1rem;
}

.modal-details i {
    color: var(--primary);
    width: 20px;
}

.modal-footer {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-modal {
    padding: 15px 35px;
    background: var(--primary);
    color: var(--dark);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.btn-modal:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}