/* ========== 全局样式 & 重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, sans-serif;
    background-color: #fff;
    color: #1A1F2E;
    line-height: 1.5;
}

:root {
    --primary: #ff4d7d;
    --primary-dark: #e63e6c;
    --primary-soft: #fff0f4;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.02), 0 2px 6px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 20px 35px -12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 30px 40px -20px rgba(0, 0, 0, 0.12);
}

.fl {float: left;}
.fr {float: right;}

.container {
    width: 100%;
    padding: 0 16px;
    margin: 0 auto;
}

.section {
    padding: 40px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-header .main-title {
    font-size: 26px;
    color: var(--primary);
    font-weight: bold;
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-header .main-title:after {
    content: "";
    position: absolute;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary));
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-header .sub-title {
    font-size: 15px;
    color: #6B7280;
    line-height: 1.5;
    padding: 0 10px;
}

img.lazy {
    opacity: 0;
    transition: opacity 0.35s ease;
}
img.lazy.loaded {
    opacity: 1;
}

.hero-full {
    width: 100%;
    height: auto;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
	margin-top: 60px;
}
.hero-full img { width: 100%; display: block; }

/* ========== LOGO 墙 ========== */
.logo-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 20px;
    align-items: center;
    padding: 0 10px;
}
.logo-card {
    flex: 0 0 calc(33.333% - 20px);
    max-width: 120px;
    min-width: 80px;
    background: #ffffff;
    border-radius: 5px;
    padding: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    text-align: center;
}
.logo-card img {
    max-width: 100%;
    height: auto;
    max-height: 50px;
    width: auto;
    display: block;
    margin: 0 auto;
}

/* ========== 合作成果模块 (优化 stats-list 风格) ========== */
.result-wrap {
    overflow: hidden;
}
.result-media {
    width: 100%;
    float: left;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 20px -8px rgba(0, 0, 0, 0.12);
}
.result-media img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}
.result-data {
    width: 100%;
    padding: 0;
    float: right;
}
.result-data h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
    margin-top: 20px;
    letter-spacing: -0.3px;
    text-align: center;
    background: linear-gradient(135deg, #1A1F2E, #2c3e50);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.stats-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 8px;
}
.stat-row {
    flex: 1 1 160px;
    background: #FFFFFF;
    border-radius: 5px;
    padding: 18px 12px;
    text-align: center;
    transition: all 0.25s ease;
    border: 1px solid var(--gray-100);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    backdrop-filter: blur(0px);
}
.stat-row:hover {
    transform: translateY(-4px);
    border-color: var(--primary-soft);
    box-shadow: 0 12px 24px -12px rgba(255, 77, 125, 0.2);
}
.stat-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 12px;
}
.stat-icon i {
    background: var(--primary-soft);
    padding: 12px;
    border-radius: 60px;
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}
.stat-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.stat-number {
    font-size: 22px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.5px;
}
.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: #5b6b8c;
    line-height: 1.4;
    letter-spacing: 0.2px;
}

/* ========== 合作优势模块 (左右分栏布局：图片占45%，内容占55%) ========== */
.advantage-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 10px;
    padding: 0 8px;
}
.advantage-item {
    background: #FFFFFF;
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 5px;
}
.advantage-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
/* 左侧图片区域占45% */
.advantage-img {
    flex: 0 0 45%;
    max-width: 45%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #f5f0f3;
}
.advantage-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.advantage-item:hover .advantage-img img {
    transform: scale(1.02);
}
/* 右侧内容区域占55% */
.advantage-content {
    flex: 0 0 55%;
    max-width: 55%;
    padding-left: 12px;
}
.advantage-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--gray-900);
    letter-spacing: -0.2px;
}
.advantage-content p {
    font-size: 14px;
    line-height: 1.5;
    color: #4b5563;
    margin-bottom: 0;
}

/* ========== 合作流程全新布局: 两行两列 (grid) ========== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 14px;
    margin-top: 24px;
    padding: 0 12px;
}
.step-card {
    background: #fff;
    border-radius: 5px;
    padding: 28px 20px 24px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-100);
    position: relative;
    backdrop-filter: blur(0px);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.step-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-soft);
    box-shadow: 0 20px 30px -12px rgba(255, 77, 125, 0.15);
}
.step-node {
    width: 70px;
    height: 70px;
    margin: 0 auto 18px;
    background: linear-gradient(145deg, #fff0f4, #ffe4eb);
    border-radius: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 2rem;
    transition: 0.2s;
}
.step-card:hover .step-node {
    background: var(--primary);
    color: white;
    transform: scale(1.02);
}
.step-node i {
    font-size: 30px;
}
.step-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--gray-800);
}
.step-desc {
    font-size: 13px;
    line-height: 1.45;
    color: #5c6b8a;
    padding: 0 4px;
}

/* 模块咨询按钮 */
.module-consult-wrap {
    text-align: center;
    margin-top: 36px;
}
.consult-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, #ff4d7d, #ff8da1);
    color: #fff;
    text-decoration: none;
    border-radius: 40px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    font-size: 15px;
    box-shadow: 0 8px 18px rgba(255, 77, 125, 0.25);
    width: 90%;
    max-width: 300px;
    letter-spacing: 0.5px;
}
.consult-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(255, 77, 125, 0.35);
    background: linear-gradient(135deg, #ff3b6f, #ff7a94);
}

/* ========== 响应式增强 ========== */
@media (min-width: 640px) {
    .stats-list {
        gap: 24px;
    }
    .stat-row {
        flex: 1 1 180px;
        padding: 22px 12px;
    }
    .stat-number {
        font-size: 26px;
    }
    .stat-label {
        font-size: 14px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
        padding: 0 20px;
    }
    .section {
        padding: 60px 0;
    }
    .section-header .main-title {
        font-size: 32px;
    }
    .section-header .sub-title {
        font-size: 18px;
    }
    .logo-card {
        flex: 0 0 calc(25% - 20px);
        max-width: 140px;
    }
    .result-wrap {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 40px;
    }
    .result-media {
        flex: 0 0 52%;
        float: none;
    }
    .result-data {
        flex: 1;
        float: none;
    }
    .result-data h3 {
        font-size: 26px;
        text-align: left;
        margin-bottom: 24px;
        margin-top: 0;
    }
    .stats-list {
        justify-content: flex-start;
    }
    /* 两行两列流程在平板及以上保持稳定 */
    .process-steps {
        gap: 20px 18px;
    }
    .step-card {
        padding: 32px 20px 28px;
    }
    .step-node {
        width: 80px;
        height: 80px;
    }
    .step-node i {
        font-size: 34px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1280px;
        padding: 0 32px;
    }
    .section {
        padding: 80px 0;
    }
    .section-header .main-title {
        font-size: 42px;
    }
    .section-header .sub-title {
        font-size: 20px;
    }
    .logo-card {
        flex: 0 0 auto;
        width: 150px;
    }
    .result-wrap {
        gap: 56px;
    }
    .result-media {
        flex: 0 0 55%;
    }
    .advantage-content {
        padding-left: 24px;
        padding-right: 12px;
    }
    .advantage-content h3 {
        font-size: 22px;
    }
    .advantage-content p {
        font-size: 15px;
    }
    .process-steps {
        gap: 26px 22px;
    }
    .step-card {
        padding: 36px 20px 32px;
    }
    .consult-btn {
        width: auto;
        padding: 14px 56px;
        font-size: 18px;
        max-width: 380px;
    }
}

/* 小屏微调 */
@media (max-width: 480px) {
    .stat-number {
        font-size: 20px;
    }
    .stat-icon i {
        width: 44px;
        height: 44px;
        font-size: 1.4rem;
    }
    .step-card {
        padding: 22px 14px 20px;
    }
    .step-node {
        width: 60px;
        height: 60px;
    }
    .step-node i {
        font-size: 26px;
    }
    .step-title {
        font-size: 16px;
    }
    .step-desc {
        font-size: 12px;
    }
    .advantage-content {
        padding-left: 10px;
    }
    .advantage-content h3 {
        font-size: 16px;
    }
}

/* 确保流程在极小屏下也是两列不折行，但内容自适应 */
@media (max-width: 480px) {
    .process-steps {
        gap: 15px;
    }
}