/* ============================================
   腾隍纽扣 - 品牌展示模块 (腾隍扣 不掉扣)
   ============================================ */

.brand-showcase-section {
    padding: 100px 0;
    background-color: #ffffff;
    overflow: hidden;
    position: relative;
}

/* 装饰背景文字 */
.bg-watermark {
    position: absolute;
    font-size: 15vw;
    font-weight: 900;
    color: rgba(106, 121, 217, 0.03);
    white-space: nowrap;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    user-select: none;
}

.brand-showcase-section .container {
    position: relative;
    z-index: 2;
}

/* 1. 顶部口号标题 (炫酷背景阴影) */
.slogan-header {
    text-align: center;
    margin-bottom: 100px;
}

.slogan-box {
    display: inline-block;
    position: relative;
    padding: 20px 40px;
}

.slogan-text {
    font-family: 'AlibabaPuHuiTi', sans-serif;
    font-size: 5.5rem;
    font-weight: 900;
    letter-spacing: 12px;
    color: #1a1a1a;
    position: relative;
    z-index: 2;
    text-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #1a1a1a 0%, #4a4a4a 50%, #1a1a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 5px 15px rgba(106, 121, 217, 0.2));
}

/* 2. 关于我们 (居左展示) */
.about-brand-row {
    margin-bottom: 80px;
}

.about-brand-content {
    text-align: left;
}

.about-label {
    display: block;
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 2px;
}

.about-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1.1;
    margin: 0;
}

/* 3. 居中标题与翻译 */
.brand-main-title {
    text-align: center;
    margin-bottom: 80px;
}

.brand-main-title h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #1a1a1a, var(--primary-color), #1a1a1a);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textShine 4s linear infinite;
}

.brand-main-title .en-subtitle {
    font-size: 1.25rem;
    color: #888;
    font-family: 'Georgia', serif;
    font-style: italic;
    letter-spacing: 1px;
}

@keyframes textShine {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

/* 4. 数据展示卡片 (5列布局) */
.brand-stats-row {
    margin-top: 40px;
}

.stat-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 24px;
    padding: 45px 25px;
    height: 100%;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

/* Hover 效果：上浮与发光 */
.stat-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(106, 121, 217, 0.12);
    border-color: rgba(106, 121, 217, 0.3);
}

/* 流光溢彩效果 */
.stat-card::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 0%,
        rgba(106, 121, 217, 0.03) 45%,
        rgba(106, 121, 217, 0.08) 50%,
        rgba(106, 121, 217, 0.03) 55%,
        transparent 100%
    );
    transform: rotate(45deg);
    transition: all 0.7s;
    opacity: 0;
}

.stat-card:hover::after {
    opacity: 1;
    left: 100%;
    top: 100%;
}

.stat-icon-box {
    width: 70px;
    height: 70px;
    background: rgba(106, 121, 217, 0.05);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    transition: all 0.4s;
}

.stat-icon-box i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-card:hover .stat-icon-box {
    background: var(--primary-color);
    transform: rotateY(180deg);
}

.stat-card:hover .stat-icon-box i {
    color: #fff;
    transform: rotateY(-180deg);
}

.stat-card h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.stat-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 0;
}

/* 数字突出显示 */
.highlight-num {
    display: block;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--primary-color);
    margin: 10px 0;
    font-family: 'Arial', sans-serif;
    line-height: 1;
}

/* 速度感修饰 (箭头) */
.speed-arrow {
    position: absolute;
    right: 20px;
    bottom: 20px;
    font-size: 1.5rem;
    color: rgba(106, 121, 217, 0.1);
    transform: rotate(-45deg);
    transition: all 0.4s;
}

.stat-card:hover .speed-arrow {
    color: var(--primary-color);
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 响应式调整 */
@media (max-width: 1400px) {
    .slogan-text { font-size: 4.5rem; }
}

@media (max-width: 1200px) {
    .brand-stats-row > div {
        flex: 0 0 33.333%;
        max-width: 33.333%;
        margin-bottom: 30px;
    }
}

@media (max-width: 992px) {
    .slogan-text { font-size: 3.5rem; letter-spacing: 8px; }
    .about-title { font-size: 2.5rem; }
    .brand-main-title h2 { font-size: 2.2rem; }
}

@media (max-width: 768px) {
    .brand-stats-row > div {
        flex: 0 0 50%;
        max-width: 50%;
    }
    .slogan-text { font-size: 2.5rem; letter-spacing: 5px; }
    .brand-showcase-section { padding: 60px 0; }
}

@media (max-width: 576px) {
    .brand-stats-row > div {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .about-title { font-size: 2rem; }
}