/* ========== 平台介绍页 - 锯齿形布局 ========== */

/* 统计计数条 */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 24px 0;
}
@media (min-width: 600px) {
    .stats-bar {
        grid-template-columns: repeat(4, 1fr);
    }
}
.stat-counter {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}
.stat-counter:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.stat-counter .counter-num {
    font-size: var(--font-3xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-counter .counter-label {
    font-size: var(--font-sm);
    color: #888;
    font-weight: 500;
}

/* 锯齿形特色区块 */
.zigzag-section {
    margin: 32px 0;
}
.zigzag-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: center;
    margin-bottom: 32px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
}
@media (min-width: 700px) {
    .zigzag-item {
        grid-template-columns: 1fr 1fr;
    }
    .zigzag-item.reverse {
        direction: rtl;
    }
    .zigzag-item.reverse .zigzag-text {
        direction: ltr;
    }
}
.zigzag-item .zigzag-img {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #e8ecf1;
}
.zigzag-item .zigzag-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}
.zigzag-item:hover .zigzag-img img {
    transform: scale(1.05);
}
.zigzag-item .zigzag-text {
    padding: 24px 20px;
}
.zigzag-item .zigzag-text h3 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
}
.zigzag-item .zigzag-text p {
    font-size: var(--font-sm);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 12px;
}
.zigzag-item .zigzag-text ul {
    list-style: none;
    padding: 0;
}
.zigzag-item .zigzag-text ul li {
    padding: 6px 0;
    font-size: var(--font-sm);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
}
.zigzag-item .zigzag-text ul li::before {
    content: '✓';
    color: var(--color-teal);
    font-weight: 700;
    flex-shrink: 0;
}

/* 步骤指南 */
.steps-section {
    margin: 32px 0;
    text-align: center;
}
.steps-section h2 {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 24px;
}
.steps-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    position: relative;
}
@media (min-width: 700px) {
    .steps-row {
        grid-template-columns: repeat(4, 1fr);
    }
}
.steps-row::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
    display: none;
}
@media (min-width: 700px) {
    .steps-row::before {
        display: block;
    }
}
.step-item {
    position: relative;
    z-index: 1;
}
.step-item .step-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--color-white);
    border: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--color-primary);
    transition: var(--transition-normal);
}
.step-item:hover .step-circle {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.1);
}
.step-item h4 {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}
.step-item p {
    font-size: var(--font-xs);
    color: #999;
    line-height: 1.5;
}

/* 引用推荐语 */
.testimonial-block {
    max-width: 700px;
    margin: 32px auto;
    background: linear-gradient(135deg, #fdf6f0, #fefefe);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    border: 2px solid #fde8c8;
    position: relative;
}
.testimonial-block::before {
    content: '"';
    font-size: 80px;
    color: var(--color-accent);
    position: absolute;
    top: -10px;
    left: 20px;
    line-height: 1;
    opacity: 0.5;
    font-family: Georgia, serif;
}
.testimonial-block .quote-text {
    font-size: var(--font-lg);
    font-style: italic;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 12px;
}
.testimonial-block .quote-author {
    font-size: var(--font-sm);
    color: var(--color-primary);
    font-weight: 600;
}

/* CTA横幅 */
.cta-banner {
    background: linear-gradient(135deg, var(--color-dark), #0a2a3f);
    border-radius: var(--radius-xl);
    padding: 36px 24px;
    text-align: center;
    color: #fff;
    margin: 32px 0;
}
.cta-banner h2 {
    font-size: var(--font-2xl);
    font-weight: 700;
    margin-bottom: 10px;
}
.cta-banner p {
    font-size: var(--font-md);
    color: rgba(255,255,255,0.8);
    margin-bottom: 18px;
}
.cta-banner .cta-link {
    display: inline-block;
    padding: 12px 32px;
    background: var(--color-accent);
    color: #1a1a2e;
    border-radius: 28px;
    font-weight: 700;
    text-decoration: none;
    font-size: var(--font-md);
    transition: var(--transition-normal);
    letter-spacing: 0.5px;
}
.cta-banner .cta-link:hover {
    background: #e6b830;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(252, 207, 77, 0.45);
}