/* 移动端全屏导航菜单样式 */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1599fc, #0e6685);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 20px;
    box-sizing: border-box;
}

.mobile-nav-logo {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10000;
}

.mobile-nav-logo img {
    height: 40px;
    width: auto;
}

.mobile-nav-close {
    display: none;
}

.mobile-nav-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    margin-top: 80px;
    z-index: 10000;
    padding-left: 20px;
}

.mobile-nav-links a {
    color: #fff;
    font-size: 18px;
    margin: 10px 0;
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
    font-weight: 500;
}

.mobile-nav-links a.active {
    color: #31DFDF;
}

.mobile-nav-links a.active::after {
    width: 100%;
    background: #31DFDF;
}

.mobile-nav-links a:hover {
    transform: translateX(10px);
    color: #31DFDF;
}

.mobile-nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: #31DFDF;
    transition: width 0.3s ease;
}

.mobile-nav-links a:hover::after {
    width: 100%;
}

.mobile-nav-info {
    position: absolute;
    bottom: 30px;
    right: 30px;
    text-align: right;
    color: #fff;
}

.mobile-nav-info p {
    margin: 3px 0;
    font-size: 13px;
    font-weight: 500;
    color: #8bc5f8;
}

.mobile-nav-info p:first-child {
    font-size: 22px;
    margin-bottom: 8px;
    font-weight: 500;
}

.mobile-nav-info a {
    color: #31DFDF;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.mobile-nav-info a:hover {
    color: #fff;
}

/* 菜单按钮样式 */
.mobile-menu-trigger {
    display: none;
    position: fixed;
    top: 15px;
    right: 20px;
    z-index: 10001;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    cursor: pointer;
    padding: 10px;
    width: 46px;
    height: 46px;
    outline: none;
    transition: all 0.3s ease-in-out;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.mobile-menu-trigger:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.mobile-menu-trigger.active {
    background: rgba(21, 153, 252, 0.95);
}

.mobile-menu-trigger.active:hover {
    background: rgba(21, 153, 252, 1);
}

.mobile-menu-trigger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1599fc;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
}

.mobile-menu-trigger.active span {
    background: #fff;
}

.mobile-menu-trigger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-trigger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-100%);
}

.mobile-menu-trigger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-trigger:hover span {
    background: #31DFDF;
}

/* 固定logo样式 */
.fixed-logo {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 999;
    display: none;
}

.fixed-logo img {
    height: 32px;
    width: auto;
}

/* 固定header样式 */
.fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(255, 255, 255, 0);
    z-index: 998;
    transition: all 0.3s ease;
}

.fixed-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 移动端响应式样式 */
@media (max-width: 767px) {
    .startp-responsive-nav,
    .startp-nav {
        display: none;
    }

    .mobile-menu-trigger {
        display: block;
    }

    .fixed-logo {
        display: block;
    }
}

/* 动画形状样式 */
.mobile-nav-content .shape1 {
    position: absolute;
    top: 10%;
    left: 10%;
    opacity: 0.3;
    animation: floatUpDown 4s ease-in-out infinite;
}

.mobile-nav-content .shape2 {
    position: absolute;
    top: 20%;
    right: 10%;
    opacity: 0.3;
}

.mobile-nav-content .shape3 {
    position: absolute;
    bottom: 30%;
    left: 15%;
    opacity: 0.3;
    animation: floatLeftRight 5s ease-in-out infinite;
}

.mobile-nav-content .shape4 {
    position: absolute;
    top: 40%;
    right: 15%;
    opacity: 0.3;
    animation: floatUpDown 6s ease-in-out infinite;
}

.mobile-nav-content .shape5 {
    position: absolute;
    bottom: 15%;
    right: 10%;
    opacity: 0.3;
    animation: floatLeftRight 7s ease-in-out infinite;
}

.mobile-nav-content .shape1 img,
.mobile-nav-content .shape2 img,
.mobile-nav-content .shape3 img,
.mobile-nav-content .shape4 img,
.mobile-nav-content .shape5 img {
    max-width: 35px;
    height: auto;
}

/* 动画关键帧 */
@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(20px);
    }
}

@keyframes floatLeftRight {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(20px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.rotateme {
    animation: rotate 15s linear infinite;
}