.slogan-container {
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - var(--nav-height) - var(--section-title-height) - var(--nav-scroll-height) - var(--footer-height));
    width: 100%;
    opacity: 1;
    transition: all 0.5s ease-in-out;
    position: relative;
    z-index: 1;
}
  
.slogan-container.hidden {
    display: none;
}
  
.slogan-text {
    text-align: center;
    position: relative;
    z-index: 1;
}

.slogan-main {
    font: 700 90px/1.1 'Futura Bold', sans-serif;
    background: linear-gradient(135deg, #003A6F 0%, #6B8BA4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 30px;
    text-shadow: 0 2px 4px rgba(0,55,110,0.2);
    position: relative;
    overflow: hidden;
}

@keyframes scanlight {
    0% {
        transform: translate(-150%, -150%);
    }
    30% {
        transform: translate(150%, 150%);
    }
    100% {
        transform: translate(150%, 150%);
    }
}

.slogan-main::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,0.5) 50%,
        rgba(255,255,255,0) 100%
    );
    animation: scanlight 8s infinite;
    mix-blend-mode: soft-light;
    pointer-events: none;
}

.slogan-sub {
    font: 500 48px/1.2 'Futura Medium', sans-serif;
    color: #4A6B8A;
    margin-top: 20px;
    position: relative;
    overflow: hidden;
}

.slogan-sub::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,0.5) 50%,
        rgba(255,255,255,0) 100%
    );
    animation: scanlight 8s infinite;
    transform: translate(-150%, -150%);
}

@media (max-width: 768px) {
    .slogan-sub {
        font-size: 32px;
    }
    .slogan-sub::after {
        transform: translate(-150%, -150%);
    }
}

/* 行业图标剪影效果 */
#particle-background {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.slogan-container {
    position: relative;
    overflow: visible;
}

.industry-silhouette {
    position: absolute;
    bottom: -30px;
    right: -50px;
    opacity: 0.08;
    width: 200px;
    height: 200px;
    background: url('data:image/svg+xml;utf8,<svg>...</svg>') no-repeat;
    filter: brightness(0.8);
}

/* 响应式适配 */
/* 移动端适配 */
@media (max-width: 768px) {
   .slogan-container {
        padding: 0 20%;
        min-height: calc(100dvh - var(--nav-height) - var(--nav-scroll-height) - var(--footer-height));
    }
    .slogan-main {
        white-space: pre-line;
        font-size: 12vw;
        line-height: 1.2;
        text-align: center;
    }
    .slogan-sub {
        white-space: pre-line;
        font-size: 6vw;
        text-align: center;
    }
}

.section-title {
    margin: 50px 0 30px;
}

/* 粒子背景效果 */
.particle-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.05;
}