/* 顶部联系栏 */
.top-contact-bar {
    background-color: #2c3e50;
    color: #fff;
    padding: 8px 0;
    font-size: 14px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1031;
}
.top-contact-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.top-contact-bar a {
    color: #fff;
    text-decoration: none;
}
.top-contact-bar a:hover {
    color: #46a1b4;
}
.top-contact-bar .contact-phone {
    font-weight: bold;
    font-size: 16px;
}
.top-contact-bar .contact-phone i {
    margin-right: 5px;
    color: #46a1b4;
}
.top-contact-bar .contact-info span {
    margin-left: 20px;
}
.top-contact-bar .contact-info i {
    margin-right: 5px;
    color: #46a1b4;
}

/* 导航栏容器 */
.navs {
    margin-top: 36px;
}

/* 导航栏整体 - 固定顶部 */
.main-navbar {
    position: fixed;
    top: 36px;
    left: 0;
    right: 0;
    z-index: 1030;
    background-color: #222;
}

/* Logo行 */
.logo-row {
    background-color: #222;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.logo-row .container {
    position: relative;
}
.logo-link {
    display: block;
    text-align: center;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    line-height: 1.5;
    padding: 5px 60px 5px 15px;
}
.logo-link:hover {
    color: #46a1b4;
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    padding: 8px 10px;
    cursor: pointer;
    z-index: 10;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: #fff;
    margin: 5px 0;
}

/* 导航菜单行 */
.nav-row {
    background-color: #333;
}
.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}
.nav-menu li {
    display: inline-block;
}
.nav-menu li a {
    display: block;
    padding: 12px 18px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}
.nav-menu li a:hover,
.nav-menu li.active a {
    background-color: #46a1b4;
    color: #fff;
}

/* 手机端响应式 */
@media (max-width: 768px) {
    .top-contact-bar {
        padding: 5px 0;
        font-size: 12px;
    }
    .top-contact-bar .container {
        flex-direction: column;
        text-align: center;
    }
    .top-contact-bar .contact-phone {
        font-size: 14px;
        margin-bottom: 3px;
    }
    .top-contact-bar .contact-info span {
        margin: 0 8px;
        font-size: 11px;
    }
    
    .navs {
        margin-top: 55px;
    }
    .main-navbar {
        top: 55px;
    }
    .logo-row {
        padding: 8px 0;
    }
    .logo-link {
        font-size: 12px;
        text-align: left;
        padding: 5px 50px 5px 10px;
    }
    .menu-toggle {
        display: block;
    }
    .nav-row {
        display: none;
    }
    .nav-row.open {
        display: block;
    }
    .nav-menu li {
        display: block;
        width: 100%;
    }
    .nav-menu li a {
        padding: 12px 15px;
        font-size: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        text-align: left;
    }
    
    .slider-inner {
        height: 400px;
    }
    .slider-inner-text {
        width: 90%;
        margin: 100px 0;
    }
    .slider-inner h1 {
        font-size: 28px;
        margin-bottom: 15px;
    }
    .slider-inner-text p {
        font-size: 14px;
    }
    .welcome-title {
        font-size: 28px;
    }
    .welcome-txt {
        font-size: 15px;
        line-height: 1.6;
    }
    .headline {
        font-size: 28px;
    }
    .sub-headline {
        font-size: 16px;
    }
    .hservice h4 {
        font-size: 18px;
        min-height: auto;
    }
    .client-content h1 {
        font-size: 28px;
    }
    .sub-headline p {
        font-size: 16px;
    }
    .client-comment {
        font-size: 14px;
    }
    #client-speech img {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 480px) {
    .top-contact-bar .contact-info {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
    .logo-link {
        font-size: 11px;
    }
    .slider-inner {
        height: 300px;
    }
    .slider-inner-text {
        margin: 60px 0;
    }
    .slider-inner h1 {
        font-size: 22px;
    }
    .slider-inner-text p {
        font-size: 12px;
    }
    .welcome-title {
        font-size: 22px;
    }
    .welcome-txt {
        font-size: 14px;
    }
    .headline {
        font-size: 24px;
    }
    .hservice h4 {
        font-size: 16px;
    }
    .hservice p {
        font-size: 13px;
    }
}