/* ========== 技术支持页面样式 ========== */

/* 支持 Hero 区域 */
.support-hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0d0d0d 100%);
    position: relative;
    overflow: hidden;
}

.support-hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(235, 204, 103, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.support-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(235, 204, 103, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.support-hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
    text-align: center;
}

.support-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(235, 204, 103, 0.15) 0%, rgba(235, 204, 103, 0.05) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
}

.support-icon svg {
    width: 40px;
    height: 40px;
    color: #EBCC67;
}

.support-hero-title {
    font-size: 42px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.support-hero-title .highlight {
    background: linear-gradient(135deg, #EBCC67 0%, #f5dc8a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.support-hero-subtitle {
    font-size: 18px;
    color: #999999;
    line-height: 1.7;
    max-width: 550px;
    margin: 0 auto 40px;
}

/* 联系按钮 */
.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 48px;
    background: linear-gradient(135deg, #EBCC67 0%, #d4b85a 100%);
    color: #1a1a1a;
    font-size: 17px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(235, 204, 103, 0.35);
}

.contact-btn svg {
    width: 22px;
    height: 22px;
}

/* 支持信息区域 */
.support-info-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fafb 0%, #ffffff 100%);
}

.support-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.support-card {
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.support-card:hover {
    border-color: #EBCC67;
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.support-card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(235, 204, 103, 0.1) 0%, rgba(235, 204, 103, 0.05) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.support-card-icon svg {
    width: 28px;
    height: 28px;
    color: #EBCC67;
}

.support-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.support-card p {
    font-size: 14px;
    color: #666666;
    line-height: 1.7;
}

/* FAQ 区域 */
.faq-section {
    padding: 80px 0;
    background: #ffffff;
}

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

.faq-section .faq-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.faq-section .faq-header p {
    font-size: 16px;
    color: #666666;
}

.faq-section .faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-section .faq-item {
    background: #f8fafb;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    overflow: hidden;
}

.faq-section .faq-item:hover {
    border-color: rgba(235, 204, 103, 0.3);
}

.faq-section .faq-item.active {
    border-color: #EBCC67;
    background: #fffef5;
}

.faq-section .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
    gap: 16px;
}

.faq-section .faq-question:hover {
    background: rgba(235, 204, 103, 0.03);
}

.faq-section .faq-question-text {
    font-size: 16px;
    font-weight: 600;
    color: #333333;
    flex: 1;
    line-height: 1.5;
}

.faq-section .faq-question-icon {
    width: 24px;
    height: 24px;
    color: #EBCC67;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-section .faq-item.active .faq-question-icon {
    transform: rotate(180deg);
}

.faq-section .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-section .faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-section .faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: #666666;
    line-height: 1.8;
    margin: 0;
}

/* CTA 区域 */
.support-cta-section {
    padding: 60px 0 80px;
    background: #ffffff;
}

.support-cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    background: linear-gradient(135deg, #EBCC67 0%, #d4b85a 100%);
    border-radius: 20px;
    padding: 40px 50px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.support-cta-card::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    pointer-events: none;
}

.support-cta-card::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: 20%;
    width: 160px;
    height: 160px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.support-cta-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.support-cta-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.support-cta-desc {
    font-size: 15px;
    color: rgba(26, 26, 26, 0.75);
    margin: 0;
}

.support-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    font-size: 15px;
    font-weight: 600;
    background: #1a1a1a;
    color: #EBCC67;
    border-radius: 10px;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.support-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.support-cta-btn svg {
    width: 18px;
    height: 18px;
}

/* 响应式 */
@media (max-width: 900px) {
    .support-info-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .support-hero {
        padding: 80px 0 60px;
    }

    .support-hero-title {
        font-size: 32px;
    }

    .support-hero-subtitle {
        font-size: 16px;
    }

    .support-icon {
        width: 64px;
        height: 64px;
    }

    .support-icon svg {
        width: 32px;
        height: 32px;
    }

    .faq-section {
        padding: 60px 0;
    }

    .faq-section .faq-header h2 {
        font-size: 26px;
    }

    .faq-section .faq-question {
        padding: 16px 20px;
    }

    .faq-section .faq-question-text {
        font-size: 15px;
    }

    .support-cta-section {
        padding: 40px 0 60px;
    }

    .support-cta-card {
        flex-direction: column;
        text-align: center;
        padding: 36px 30px;
        gap: 24px;
    }

    .support-cta-title {
        font-size: 20px;
    }

    .support-cta-btn {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .support-info-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .support-hero-title {
        font-size: 26px;
    }

    .contact-btn {
        width: 100%;
        max-width: 300px;
    }
}