/* --- 1. 全局设计系统 (深空极光风格) --- */
:root {
    --bg-color: #0B0E14;
    /* 核心背景：深空黑 */
    --bg-card: #15151A;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.08);

/* --- 合作模式 V3 高级样式 --- */
.coop-section-v3 {
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    overflow: hidden;
}

.coop-v3-container {
    display: flex;
    gap: 30px;
    align-items: stretch; /* 确保高度对齐 */
}
/* ==========================================================================
   官方认证背书模块 (Official Certification Section)
   设计风格：极简主义 / 官方印鉴 / 精密几何
   ========================================================================== */

/* 1. 模块容器布局 */
#advantage .res-split {
    display: flex;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* 2. 左侧文案区 */
#advantage .res-text {
    flex: 0 0 420px; /* 固定宽度，防止挤压 */
}

#advantage .section-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #fff;
}

#advantage .section-title span {
    background: linear-gradient(135deg, #60A5FA 0%, #C084FC 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 3. 右侧 3x2 荣誉矩阵 */
#advantage .res-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3列布局 */
    gap: 24px;
}

/* 4. 单个勋章卡片 */
.res-box.official-seal-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 35px 15px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.2, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.res-box.official-seal-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(96, 165, 250, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

/* 5. 整体印封容器 (Seal Container) */
.seal-container {
    position: relative;
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 6. SVG 精密印封样式 */
.seal-svg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    color: rgba(96, 165, 250, 0.25); /* 默认淡蓝色 */
    transition: all 0.7s cubic-bezier(0.2, 1, 0.3, 1);
    fill: none;
}

.seal-icon {
    font-size: 26px;
    color: #60A5FA;
    transition: all 0.5s ease;
    z-index: 2;
}

/* 7. 悬浮交互反馈 */
.official-seal-card:hover .seal-svg {
    color: rgba(96, 165, 250, 0.9);
    transform: rotate(15deg) scale(1.05); /* 轻微旋转体现动态精密感 */
    filter: drop-shadow(0 0 10px rgba(96, 165, 250, 0.4));
}

.official-seal-card:hover .seal-icon {
    color: #ffffff;
    transform: scale(1.1);
}

/* 8. 金色勋章特殊处理 (针对 2024 奖项) */
.gold-seal.official-seal-card {
    border-color: rgba(251, 191, 36, 0.1);
}

.gold-seal .seal-svg {
    color: rgba(251, 191, 36, 0.25);
}

.gold-seal .seal-icon {
    color: #FBBF24;
}

.gold-seal:hover .seal-svg {
    color: rgba(251, 191, 36, 1);
    filter: drop-shadow(0 0 15px rgba(251, 191, 36, 0.5));
}

/* 9. 文字排版微调 */
.res-title {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.res-desc {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    font-weight: 400;
}

/* 10. 响应式布局适配 (手机端) */
@media (max-width: 1024px) {
    #advantage .res-split {
        flex-direction: column;
        gap: 50px;
        text-align: center;
    }
    #advantage .res-text {
        flex: none;
        width: 100%;
        max-width: 600px;
    }
    #advantage .res-grid {
        grid-template-columns: repeat(2, 1fr); /* 平板显示2列 */
        width: 100%;
    }
}

/* --- SOP V6 核心样式 --- */
.sop-v6-section {
    background: #0B0E14;
    padding: 120px 0;
}

.sop-v6-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}

.sop-v6-card {
    position: relative;
    border-radius: 28px;
    background: #15151A;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    height: 400px; /* 固定高度 */
    overflow: hidden;
    cursor: pointer;
}

/* 1. 配图区域：始终彩色 */
.sop-visual {
    height: 100%; /* 图片撑满全高度，作为背景感 */
    width: 100%;
    position: absolute;
    top: 0; left: 0;
    transition: transform 0.8s ease;
}

.sop-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 保持彩色，但稍微降低亮度以保证文字清晰 */
    filter: brightness(0.7) saturate(1.1); 
    transition: all 0.6s ease;
}

/* 2. 视觉渐变层：确保底部文字可读 */
.visual-gradient {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* 从上到下的深色渐变，保护文字 */
    background: linear-gradient(to bottom, 
                rgba(11, 14, 20, 0.2) 0%, 
                rgba(11, 14, 20, 0.8) 70%, 
                rgba(11, 14, 20, 1) 100%);
    z-index: 1;
}

/* 3. 文字内容区 */
.sop-content {
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    padding: 30px 20px;
    z-index: 2;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-badge {
    position: absolute;
    top: -20px; right: 20px;
    font-size: 50px; font-weight: 900;
    color: rgba(255, 255, 255, 0.05); /* 极淡的数字装饰 */
    font-style: italic;
    transition: 0.5s;
}

.step-header {
    transition: transform 0.4s ease;
}

.phase-label {
    font-size: 11px;
    color: #60A5FA;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.step-title {
    font-size: 19px;
    color: #fff;
    font-weight: 700;
    margin: 0;
}

/* 4. 隐藏的详情部分 */
.step-body {
    max-height: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-description {
    font-size: 13.5px;
    color: #94a3b8;
    line-height: 1.6;
    margin: 15px 0;
}

.step-duration {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.2);
    color: #93C5FD;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* --- 悬浮交互逻辑 --- */

.sop-v6-item:hover .sop-v6-card {
    border-color: rgba(96, 165, 250, 0.5);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

/* 图片缩放提亮 */
.sop-v6-item:hover .sop-visual {
    transform: scale(1.1);
}
.sop-v6-item:hover .sop-visual img {
    filter: brightness(0.9) saturate(1.2);
}

/* 文字整体平滑上移 */
.sop-v6-item:hover .sop-content {
    transform: translateY(-10px);
}




/* 详情展示 */
.sop-v6-item:hover .step-body {
    max-height: 200px;
    opacity: 1;
    transform: translateY(0);
}

.sop-v6-item:hover .step-badge {
    color: rgba(96, 165, 250, 0.2);
    transform: translate(-10px, -10px);
}

/* 响应式 */
@media (max-width: 1200px) {
    .sop-v6-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 650px) {
    .sop-v6-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    #advantage .res-grid {
        grid-template-columns: 1fr; /* 手机端显示1列 */
    }
    .advantage-title {
        font-size: 32px;
    }
}
/* 基础卡片样式 */
.coop-v3-card {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 32px;
    padding: 45px;
    backdrop-filter: blur(10px);
    transition: all 0.5s cubic-bezier(0.2, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

/* 差异化宽度处理：让文案多的卡片占 60%，少的占 40% */
.premium-model { flex: 1.5; }
.flexible-model { flex: 1; }

.coop-v3-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* 卡片内部流光动效 */
.card-glow {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 32px;
    background: radial-gradient(800px circle at var(--x) var(--y), rgba(59, 130, 246, 0.15), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}
.coop-v3-card:hover .card-glow { opacity: 1; }

/* 头部信息 */
.card-main-info {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.icon-box {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(192, 132, 252, 0.2));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #60A5FA;
}

.title-area h3 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.sub-title {
    font-size: 14px;
    color: #3b82f6;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
}

.card-description {
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 35px;
    font-size: 16px;
}

/* 模式 1 的网格列表 */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    flex: 1;
}

.feature-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: rgba(255,255,255,0.02);
    border-radius: 16px;
    border: 1px solid transparent;
    transition: 0.3s;
}

.feature-item:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.1);
}

.feature-item i { color: #3b82f6; margin-top: 4px; }
.feature-item h4 { font-size: 15px; color: #fff; margin-bottom: 4px; }
.feature-item p { font-size: 13px; color: #64748b; }

/* 模式 2 的简洁列表 */
.simple-list {
    flex: 1;
    margin-bottom: 30px;
}
.simple-list li {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}
.dot {
    width: 8px;
    height: 8px;
    background: #3b82f6;
    border-radius: 50%;
    margin-top: 8px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
}
.simple-list strong { color: #e2e8f0; font-size: 15px; display: block; margin-bottom: 4px; }
.simple-list p { color: #94a3b8; font-size: 14px; }

/* 底部标签 */
.card-footer {
    margin-top: auto;
    padding-top: 25px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.highlight-text {
    font-size: 14px;
    color: #60A5FA;
    font-weight: 600;
}

.card-tag {
    position: absolute;
    top: 20px; right: 30px;
    background: rgba(59, 130, 246, 0.1);
    color: #60A5FA;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* 响应式 */
@media (max-width: 992px) {
    .coop-v3-container { flex-direction: column; }
    .premium-model, .flexible-model { flex: none; }
}

/* 容器及切换器样式 */
.coop-advanced-section { background: #0B0E14; overflow: hidden; }

.mode-capsule-wrapper { display: flex; justify-content: center; margin-top: 30px; }
.mode-capsule {
    display: flex; background: rgba(255,255,255,0.05); padding: 5px; 
    border-radius: 50px; border: 1px solid rgba(255,255,255,0.1); position: relative; width: 400px;
}
.capsule-active-bg {
    position: absolute; top: 5px; left: 5px; width: calc(50% - 5px); height: calc(100% - 10px);
    background: #2563eb; border-radius: 40px; transition: all 0.5s cubic-bezier(0.65, 0, 0.35, 1);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4); z-index: 1;
}
.capsule-item {
    flex: 1; text-align: center; padding: 12px; color: #94a3b8; font-weight: 600;
    cursor: pointer; z-index: 2; transition: color 0.3s; font-size: 15px;
}
.capsule-item.active { color: #fff; }

/* 内容面板样式 */
.coop-display-area { margin-top: 50px; position: relative; min-height: 520px; }
.haima-mode-panel {
    position: absolute; top: 0; left: 0; width: 100%; opacity: 0; 
    visibility: hidden; transform: translateY(40px) scale(0.95);
    transition: all 0.7s cubic-bezier(0.65, 0, 0.35, 1);
}
.haima-mode-panel.active {
    opacity: 1; visibility: visible; transform: translateY(0) scale(1);
    position: relative; /* 撑开高度的关键 */
}

/* 模式一布局 */
.panel-inner {
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
    background: rgba(255,255,255,0.02); padding: 60px; border-radius: 40px;
    border: 1px solid rgba(255,255,255,0.05); backdrop-filter: blur(10px);
}

.coop-unified-section { background: #0B0E14; overflow: hidden; }

/* 导航切换 */
.unified-switcher {
    width: 380px; margin: 40px auto; background: rgba(255,255,255,0.05);
    padding: 6px; border-radius: 50px; display: flex; position: relative;
    border: 1px solid rgba(255,255,255,0.1);
}
.switcher-cursor {
    position: absolute; top: 6px; left: 6px; width: calc(50% - 6px); height: calc(100% - 12px);
    background: #2563eb; border-radius: 40px; transition: all 0.5s cubic-bezier(0.65, 0, 0.35, 1);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3); z-index: 1;
}
.switch-opt {
    flex: 1; border: none; background: none; color: #94a3b8; font-weight: 600;
    padding: 12px; cursor: pointer; position: relative; z-index: 2; transition: 0.3s;
}
.switch-opt.active { color: #fff; }

/* 面板控制 */
.unified-stage { position: relative; min-height: 500px; margin-top: 60px; }
.unified-panel {
    position: absolute; top: 0; left: 0; width: 100%; opacity: 0; visibility: hidden;
    transform: translateY(20px); transition: all 0.6s ease;
}
.unified-panel.active { opacity: 1; visibility: visible; transform: translateY(0); position: relative; }

/* 核心布局结构 - 两边完全一样 */
.panel-layout {
    display: grid; grid-template-columns: 4.5fr 5.5fr; gap: 80px;
    background: rgba(255,255,255,0.02); padding: 70px; border-radius: 40px;
    border: 1px solid rgba(255,255,255,0.05); backdrop-filter: blur(15px);
}

/* 左侧：品牌身份 */
.layout-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.mode-identity { display: flex; align-items: center; gap: 20px; margin-bottom: 30px; }
.id-icon { width: 70px; height: 70px; background: rgba(255,255,255,0.05); border-radius: 20px; 
           display: flex; align-items: center; justify-content: center; font-size: 32px; color: #3b82f6; }
.badge { font-size: 11px; background: rgba(59,130,246,0.2); color: #3b82f6; padding: 2px 10px; border-radius: 4px; font-weight: 700; }
.id-text h3 { font-size: 30px; color: #fff; margin: 5px 0; }
.id-text .en { font-size: 13px; color: #64748b; letter-spacing: 3px; }
.mode-intro { color: #94a3b8; line-height: 1.8; font-size: 16px; }

/* 右侧：功能列表 */
.layout-right { display: flex; flex-direction: column; gap: 25px; }
.info-block {
    background: rgba(255,255,255,0.02); padding: 25px; border-radius: 20px;
    border: 1px solid transparent; transition: 0.3s; position: relative;
}
.info-block:hover { background: rgba(255,255,255,0.04); border-color: rgba(59,130,246,0.2); transform: translateX(10px); }
.block-num { font-size: 24px; font-weight: 800; color: rgba(59,130,246,0.2); position: absolute; top: 20px; right: 25px; }
.info-block h4 { color: #fff; font-size: 18px; margin-bottom: 8px; }
.info-block p { color: #64748b; font-size: 14px; line-height: 1.6; }

@media (max-width: 992px) {
    .panel-layout { grid-template-columns: 1fr; gap: 40px; padding: 40px; }
    .layout-left { justify-content: flex-start; }
}
.visual-badge { 
    background: #3b82f6; color: white; display: inline-block; padding: 2px 12px; 
    border-radius: 4px; font-size: 12px; font-weight: 900; margin-bottom: 15px;
}
.panel-inner h3 { font-size: 32px; color: #fff; margin-bottom: 10px; }
.en-title { color: #3b82f6; font-size: 14px; letter-spacing: 2px; font-weight: 700; display: block; margin-bottom: 20px; }
.panel-desc { color: #94a3b8; line-height: 1.8; margin-bottom: 30px; }
.panel-tags span { background: rgba(255,255,255,0.05); padding: 6px 15px; border-radius: 20px; font-size: 12px; margin-right: 10px; color: #cbd5e1; }

.feature-grid-v5 { display: flex; flex-direction: column; gap: 20px; }
.v5-item { display: flex; gap: 20px; align-items: center; padding: 20px; background: rgba(255,255,255,0.02); border-radius: 20px; }
.v5-item i { font-size: 24px; color: #3b82f6; }
.v5-item h4 { color: #fff; margin-bottom: 5px; font-size: 16px; }
.v5-item p { color: #64748b; font-size: 13px; }

/* 模式二布局 */
.panel-inner-centered {
    max-width: 800px; margin: 0 auto; background: rgba(37, 99, 235, 0.03);
    border: 1px solid rgba(255,255,255,0.08); border-radius: 40px; padding: 80px 40px; text-align: center;
}
.center-icon { font-size: 60px; color: #10b981; margin-bottom: 30px; filter: drop-shadow(0 0 15px rgba(16, 185, 129, 0.3)); }
.mini-flex-list { display: inline-block; text-align: left; margin: 30px 0; }
.flex-li { color: #cbd5e1; margin-bottom: 12px; font-size: 16px; display: flex; align-items: center; gap: 10px; }
.flex-li i { color: #10b981; }
.panel-bottom-stats { display: flex; justify-content: center; gap: 50px; margin-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; }
.stat-unit strong { font-size: 32px; color: #fff; display: block; }
.stat-unit p { font-size: 14px; color: #64748b; }

@media (max-width: 992px) {
    .panel-inner { grid-template-columns: 1fr; padding: 30px; }
    .mode-capsule { width: 100%; }
}

/* 简单的呼吸灯动效 */
.pulse {
    display: inline-block;
    width: 8px; height: 8px;
    background: #10b981;
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

    /* 品牌渐变色 */
    --primary-gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --accent-purple: #3b82f6;
    --accent-blue: #60A5FA;

    --text-main: #FFFFFF;
    --text-secondary: #94A3B8;
    --radius-card: 24px;
    --radius-btn: 50px;

    /* 导航栏高度 */
    --navbar-height: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', 'Noto Sans SC', sans-serif;

    overflow-x: hidden;
    padding-top: var(--navbar-height);
    /* 为导航栏留出空间 */
}

a {
    text-decoration: none;
    color: inherit;
    /* transition: 0.3s; */
}

ul {
    list-style: none;
}
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 0;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: 80px;
  display: flex;
  align-items: center;
}
.logo {
  font-size: 24px;
  font-weight: 800;
  background: var(--primary-gradient);
  background-clip: text;
-webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
}
/* 通用容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #3b82f6;
    margin-bottom: 15px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
}

/* 导航栏 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 0;
    background: rgba(11, 14, 20, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    height: 80px;
    display: flex;
    align-items: center;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: white;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
}

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-links a {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-links a:hover {
  color: var(--text-main);
}


/* 下拉菜单样式 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #0b0e14;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
}

.dropdown-content a {
    color: #9ca3af;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
    font-size: 14px;
    /* transition: all 0.3s ease; */
}

.dropdown-content a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropbtn::after {
    width: 100%;
}

.btn-primary {
    padding: 12px 32px;
    background: #2563eb;
    color: white;
    border-radius: var(--radius-btn);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    background: #1d4ed8;
}

/* Header */
.page-header {
    height: 330px;
    min-height: 330px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at 50% 10%, rgba(118, 75, 162, 0.15) 0%, transparent 60%), url('../images/whba.png') center center no-repeat;
    background-size: cover;
    /* padding-top: 60px; */
    position: relative;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(14, 14, 18, 0.7);
    /* 半透明黑色遮罩 */
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
    /* 确保文字内容在遮罩层之上 */
}

.page-header h1 {
    font-size: 68px;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    color: white;
}

.page-header p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto;
}

/* Platform Strategy */
.platform-section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    color: var(--accent-purple);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 13px;
    margin-bottom: 15px;
    display: block;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: white;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 16px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform-origin: center;
    transform: scale(1);
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.plat-header {
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(to right, rgba(255, 255, 255, 0.02), transparent);
}

.plat-icon {
    font-size: 32px;
}

.plat-name {
    font-size: 22px;
    font-weight: 700;
    color: white;
}

.plat-body {
    padding: 30px;
    flex: 1;
}

.plat-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.plat-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.plat-tags span {
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    color: #ddd;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.tiktok-color {
    color: white;
    text-shadow: 2px 2px 0 #FE2C55, -2px -2px 0 #25F4EE;
}

.yt-color {
    color: #FF0000;
}

.ins-color {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* SOP */
.workflow-section {
    background: #0E0E12;
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.step-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
    margin-top: 50px;
}

.step-line {
    position: absolute;
    top: 30px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
    z-index: 0;
}

.step-item {
    position: relative;
    z-index: 1;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 30px 20px;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

.step-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

.step-num {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.step-item:hover .step-num {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
    transition: 0.3s;
}

.step-item:hover .step-title {
    color: var(--accent-purple);
}

.step-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- 合作模式 (Updated: Full-Case & Custom) --- */
.coop-section {
    background: linear-gradient(to bottom, #0E0E12, #0B0E14);
    border-top: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.coop-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    z-index: 2;
}

.coop-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.coop-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 30px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform-origin: center;
    transform: scale(1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.coop-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

/* 推荐标签 */
.recommend-tag {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--primary-gradient);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 8px 20px;
    border-bottom-left-radius: 20px;
    border-top-right-radius: 20px;
}

.coop-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin-bottom: 25px;
    transition: 0.5s;
    position: relative;
    overflow: hidden;
}

.coop-icon::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: rotate(45deg);
    transition: 0.5s;
}

.coop-card:hover .coop-icon {
    background: var(--accent-purple);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(167, 139, 250, 0.5);
}

.coop-card:hover .coop-icon::after {
    animation: shine 1s infinite;
}

@keyframes shine {
    0% {
        transform: rotate(45deg) translateX(-100%);
    }

    100% {
        transform: rotate(45deg) translateX(100%);
    }
}

.coop-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
    transition: 0.3s;
    position: relative;
}

.coop-title::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-purple);
    transition: width 0.3s ease;
}

.coop-card:hover .coop-title::after {
    width: 50px;
}

.coop-card:hover .coop-title {
    color: var(--accent-purple);
}

.coop-desc {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 25px;
}

.coop-list {
    margin-bottom: 30px;
    flex: 1;
}

.coop-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: #ddd;
    font-size: 15px;
    margin-bottom: 20px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.coop-list li b {
    min-width: 90px;
    /* 设置最小宽度确保对齐 */
    display: inline-block;
}

.coop-list li:hover {
    color: white;
    transform: translateX(8px);
}

.coop-list li i {
    color: var(--accent-purple);
    font-size: 16px;
    margin-top: 4px;
    flex-shrink: 0;
}

.coop-list li:hover i {
    transform: scale(1.2);
    text-shadow: 0 0 8px rgba(167, 139, 250, 0.5);
}

.coop-btn {
    width: 100%;
    padding: 15px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    text-align: center;
    font-size: 16px;
    background: transparent;
    border: 1px solid var(--border-light);
    color: white;
}

.coop-btn:hover {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    transform: scale(1.02);
}

/* Premium button variant */
.btn-premium {
    background: var(--primary-gradient);
    border: none;
    color: white;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
    padding: 12px 32px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.6);
    background: #1d4ed8;
}

/* Why Us */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.why-img img {
    width: 100%;
    border-radius: 20px;
    opacity: 0.8;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.f-item {
    display: flex;
    gap: 20px;
}

.f-icon {
    width: 50px;
    height: 50px;
    background: rgba(167, 139, 250, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    font-size: 20px;
    flex-shrink: 0;
}

.f-text h4 {
    font-size: 18px;
    color: white;
    margin-bottom: 5px;
}

.f-text p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.cta-box {
    background: linear-gradient(to right, rgba(118, 75, 162, 0.2), rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border-light);
    border-radius: 30px;
    padding: 80px;
    text-align: center;
    margin-top: 60px;
}

footer {
    background: #000;
    padding: 60px 0;
    border-top: 1px solid var(--border-light);
    text-align: center;
    color: #666;
    font-size: 12px;
}

@media (max-width: 1024px) {
    .platform-grid {
        grid-template-columns: 1fr;
    }

    .step-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .step-line {
        display: none;
    }

    .why-grid,
    .coop-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .step-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-title {
        font-size: 28px;
    }
}

/* 战略合作伙伴模块样式 */
.partner-rows-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow: hidden;
    position: relative;
}

/* 添加渐变遮罩效果 */
.partner-rows-container::before,
.partner-rows-container::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.partner-rows-container::before {
    left: 0;
    background: linear-gradient(to right, rgba(11, 14, 20, 1), rgba(11, 14, 20, 0));
}

.partner-rows-container::after {
    right: 0;
    background: linear-gradient(to left, rgba(11, 14, 20, 1), rgba(11, 14, 20, 0));
}

.partner-row {
    height: 58px;
    overflow: hidden;
    position: relative;
}

.partner-item-wrapper {
    display: flex;
    height: 100%;
    align-items: center;
}

.row-right .partner-item-wrapper {
    animation: scrollRight 30s linear infinite;
}

.row-left .partner-item-wrapper {
    animation: scrollLeft 30s linear infinite;
}

@keyframes scrollRight {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes scrollLeft {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0);
    }
}

.partner-item {
    width: 160px;
    height: 58px;
    min-width: 160px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 10px;
    border-radius: 12px;
    font-size: 16px;
    padding: 10px;
    background: white;
}

.partner-item img {
    max-width: 120px;
    max-height: 40px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: none;
    display: block;
}

.partner-item:hover img {
    filter: none;
}

/* Footer Styles */
.bottomSidebar {
    background: #000;
    color: #94a3b8;
    padding: 50px;
    margin-top: 50px;
}

.bottomSidebar .bottomSidebar-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #FFF;
    width: 1220px;
    padding: 30px 0;
    margin: 0 auto 30px auto;
}

.bottomSidebar .bottomSidebar-top .top-item {
    display: flex;
    justify-content: center;
    align-items: center;
}

.bottomSidebar .bottomSidebar-top .top-item img {
    width: 40px;
}

.bottomSidebar .bottomSidebar-top .top-item {
    color: #94a3b8;
    transition: color 0.3s ease;
}

.bottomSidebar .bottomSidebar-top .top-item:hover {
    color: #ffffff;
}



.bottomSidebar .bottomSidebar-flex {
    width: 1220px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.bottomSidebar .bottomSidebar-flex .logo .logo-img {
    width: 200px;
}

.bottomSidebar .bottomSidebar-flex .logo .logo-box {
    display: flex;
}

.bottomSidebar .bottomSidebar-flex .logo .logo-box img {
    margin-right: 10px;
    margin-top: 10px;
}

.bottomSidebar .bottomSidebar-flex .util-list {
    color: #94a3b8;
    line-height: 40px;
    margin-left: 40px;
}

.bottomSidebar .bottomSidebar-flex .util-list h1 {
  margin-bottom: 12px;
    line-height: 16px;
    font-size: 16px;
    font-weight: 700;
}

.bottomSidebar .bottomSidebar-flex .util-list .item {
  line-height: 32px;
    color: #94a3b8;

    cursor: pointer;
}

.bottomSidebar .bottomSidebar-flex .util-list .item:hover {
    color: #FFF;
}

.bottomSidebar .bottomSidebar-flex .info {
    margin-left: 40px;
    line-height: 40px;
}

.bottomSidebar .bottomSidebar-flex .info h1 {
  margin-bottom: 12px;
    line-height: 16px;
    font-size: 16px;
    font-weight: 700;
}

.bottomSidebar .bottomSidebar-flex .info p {
    display: flex;
    align-items: center;
}

.bottomSidebar .bottomSidebar-flex .info p img {
    width: 30px;
    margin-right: 5px;
}

.bottomSidebar .bottomSidebar-flex .info .qrcode {
    display: flex;
    text-align: center;
    margin-top: 9px;
}

.bottomSidebar .bottomSidebar-flex .info .qrcode .qrcode-item {
    text-align: center;
    margin-right: 40px;
}

.bottomSidebar .bottomSidebar-flex .info .qrcode .qrcode-item img {
    width: 90px;
    height: 90px;
}

.bottomSidebar .bottomSidebar-flex .info .qrcode .qrcode-item div {
    margin-top: -12px;
}

.bottomSidebar .copyright {
    text-align: center;
    font-size: 13px;
    margin-top: 20px;
}

/* Responsive styles */
@media screen and (max-width: 767px) {
    .bottomSidebar {
        padding: 30px 20px;
    }

    .bottomSidebar .bottomSidebar-top {
        width: 100%;
        flex-direction: column;
        gap: 20px;
        padding: 20px 0;
    }

    .bottomSidebar .bottomSidebar-flex {
        width: 100%;
        flex-direction: column;
        gap: 30px;
    }

    .bottomSidebar .bottomSidebar-flex .logo,
    .bottomSidebar .bottomSidebar-flex .util-list,
    .bottomSidebar .bottomSidebar-flex .info {
        width: 100%;
    }

    .bottomSidebar .bottomSidebar-flex .util-list {
        margin-left: 0;
    }

    .bottomSidebar .bottomSidebar-flex .info {
        margin-left: 0;
    }

    .bottomSidebar .bottomSidebar-flex .info .qrcode {
        justify-content: center;
        flex-wrap: wrap;
    }

    .bottomSidebar .bottomSidebar-flex .info .qrcode .qrcode-item {
        margin-right: 20px;
        margin-left: 20px;
    }

    .bottomSidebar .bottomSidebar-flex .info .qrcode .qrcode-item img {
        width: 90px;
    }
}