* {
    padding: 0;
    margin: 0;
}

.shell {
    width: 100%;
    position: relative;
    padding: 80px 0;
    transition: 0.3s ease 0s;
    background-attachment: fixed;
    background-size: cover;
}

.shell:before {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(99, 99, 99, 0.8);
    content: "";
}

.header {
    width: 100%;
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.title {
    color: #fff;
    font-size: 46px;
    font-weight: normal;
    margin: 0;
}

.timeline {
    display: flex;
    margin: 0 auto;
    flex-wrap: wrap;
    flex-direction: column;
    max-width: 700px;
    position: relative;
}

.content-title {
    font-weight: normal;
    font-size: 66px;
    margin: -10px 0 0 0;
    transition: 0.4s;
    padding: 0 10px;
    box-sizing: border-box;
    color: #fff;
}

.content-desc {
    margin: 0;
    font-size: 15px;
    box-sizing: border-box;
    color: rgba(255, 255, 255, 0.7);
    line-height: 25px;
}

.timeline:before {
    position: absolute;
    left: 50%;
    width: 2px;
    height: 100%;
    margin-left: -1px;
    content: "";
    background: rgba(255, 255, 255, 0.07);
}

.item {
    padding: 40px 0;
    opacity: 0.3;
    filter: blur(2px);
    transition: 0.5s;
    box-sizing: border-box;
    width: calc(50% - 40px);
    display: flex;
    position: relative;
    transform: translateY(-80px);
}

.item:before {
    content: attr(data-text);
    letter-spacing: 3px;
    width: 100%;
    position: absolute;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    border-left: 2px solid rgba(255, 255, 255, 0.5);
    top: 70%;
    margin-top: -5px;
    padding-left: 15px;
    opacity: 0;
    right: calc(-100% - 56px);
    font: 900 20px '';
    letter-spacing: 5px;
}

.item:nth-child(even) {
    align-self: flex-end;
}

.item:nth-child(even):before {
    right: auto;
    text-align: right;
    left: calc(-100% - 56px);
    padding-left: 0;
    border-left: none;
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    padding-right: 15px;
}

.item--active {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
}

.item--active:before {
    top: 50%;
    transition: 0.3s all 0.2s;
    opacity: 1;
}

.item--active .content-title {
    margin: -50px 0 20px 0;
}

.img {
    max-width: 100%;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.4);
}

.subtitle {
    color: rgba(255, 255, 255, 0.5);
    font-size: 16px;
    letter-spacing: 5px;
    margin: 10px 0 0 0;
    font-weight: normal;
}

.footer {
    background: linear-gradient(135deg, #1a2a4c 0%, #2c3e50 100%);
    color: #fff;
    padding: 40px 0 0;
    font-family: 'Microsoft YaHei', sans-serif;
    border-top: 3px solid #d4af37;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    top: -40px;
    left: 0;
    right: 0;
    height: 40px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 120"><path fill="%231a2a4c" fill-opacity="1" d="M0,64L80,58.7C160,53,320,43,480,48C640,53,800,75,960,74.7C1120,75,1280,53,1360,42.7L1440,32L1440,0L1360,0C1280,0,1120,0,960,0C800,0,640,0,480,0C320,0,160,0,80,0L0,0Z"></path></svg>') no-repeat center top;
    background-size: cover;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-column {
    margin-bottom: 30px;
}

.footer-title {
    font-size: 1.4rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    color: #d4af37;
}

.footer-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: #d4af37;
}

.footer-desc {
    margin-bottom: 15px;
    line-height: 1.6;
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #d4af37;
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #e0e0e0;
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
}

.footer-links a:hover {
    color: #d4af37;
    padding-left: 5px;
}

.contact-info {
    list-style: none;
    padding: 0;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    line-height: 1.5;
}

.contact-info i {
    color: #d4af37;
    margin-right: 10px;
    margin-top: 5px;
    min-width: 20px;
}

.newsletter-form {
    display: flex;
    margin-top: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 4px 0 0 4px;
    font-size: 14px;
    outline: none;
}

.newsletter-form button {
    background: #d4af37;
    color: #1a2a4c;
    border: none;
    padding: 0 20px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 0 4px 4px 0;
    transition: background 0.3s ease;
}

.newsletter-form button:hover {
    background: #c19b2e;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
    margin-top: 40px;
}

.copyright {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 10px;
}

.legal-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.legal-links a {
    color: #aaa;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: #d4af37;
}

@media only screen and (max-width: 767px) {
    .item {
        align-self: baseline !important;
        width: 100%;
        padding: 0 30px 150px 80px;
    }

    .item:before {
        left: 10px !important;
        padding: 0 !important;
        top: 50px;
        text-align: center !important;
        width: 60px;
        border: none !important;
    }

    .item:last-child {
        padding-bottom: 40px;
    }
}

@media only screen and (max-width: 767px) {
    .timeline:before {
        left: 40px;
    }
}
a{
    text-decoration: none;
    text-align: center;
    color: #2d0606;
}