/* Hero Section */
.bgw {
    background-color: white;
}

.bgg {
    background-color: #f8f9fa;
}

.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 50px;
    text-decoration: none;
}

.hero-content {
    color: white;
    z-index: 2;
    position: relative;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 10px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-button {
    display: inline-block;
    height: 60px;
    padding: 6px 25px 10px 25px;
    font-size: 18px;
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 50px;
    /* 胶囊形状 */
    background-color: red;
    /* 红色背景 */
    box-shadow:
        inset 0 8px 5px rgba(255, 255, 255, 1),
        /* 上半部分白色内阴影 */
        inset 0 -8px 5px rgba(0, 0, 0, 1);
    /* 下半部分黑色内阴影 */
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.hero-content p {
    font-size: 18px;
    letter-spacing: 2px;
    opacity: 0.9;
    white-space: pre-line;
}

.position-title {
    text-align: left;
    font-weight: 500;
    font-size: 28px;
    margin-bottom: 15px;
    position: relative;
    color: #333;
}

.position-content {
    text-indent: 2em;
    text-align: left;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
}

.position-cards {
    display: grid;
    gap: 40px;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 40px;
}

.position-card {
    position: relative;
    height: 220px;
    padding: 20px;
}

.position-card.card-red {
    background-color: rgb(255, 241, 241);
}

.position-card.card-yellow {
    background-color: rgb(255, 255, 239);
}

.position-card.card-green {
    background-color: rgb(241, 255, 255);
}

.position-card.card-blue {
    background-color: rgb(240, 250, 255);
}

.position-card .card-title {
    font-size: 20px;
    color: #2c3e50;
    padding-bottom: 10px;
    display: inline-block;
    font-weight: 500;
    position: relative;
    margin: 10px 0;
}

.position-card .card-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: #d4373a;
}

.position-card .card-content {
    font-size: 18px;
    color: #333;
    text-indent: 2em;
    line-height: 2em;
    margin-bottom: 40px;
}

.position-card .btn-primary {
    position: absolute;
    bottom: 20px;
    right: 20px;
    padding: 5px 10px;
    height: 20px;
    width: 100px;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
    color: #333;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #d73527;
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-bottom: 50px;
    letter-spacing: 1px;
}

/* Advantages Section */

.advantages-grid {
    display: flex;
    flex-direction: row;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.advantage-card {
    flex: 1;
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-icon {
    margin-bottom: 20px;
}

.icon-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.icon-circle.red {
    background: linear-gradient(135deg, #d73527, #f44336);
}

.icon-circle.blue {
    background: linear-gradient(135deg, #337ab7, #2196F3);
}

.icon-circle.green {
    background: linear-gradient(135deg, #5cb85c, #4CAF50);
}

.advantage-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #333;
}

.card-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}





/* About Network Section */

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
    margin: 50px 0;
}

.about-text {

    align-self: flex-start;
}

.about-text h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #333;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

.about-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.mission {
    border-radius: 20px;
    background: #f8f9fa;
    padding: 10px 20px;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.mission h4,
.vision h4 {
    font-size: 20px;
    margin-right: auto;
    margin-bottom: 15px;
    color: #333;
}

.mission h4 {
    display: inline-block;
    border-bottom: 2px solid #d73527;
    padding-bottom: 5px;
    margin-bottom: 15px;
}

.mission p,
.vision p {
    font-size: 14px;
    line-height: 1.7;
    color: #666;

}

/* Partners Section */

.partners-grid {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 10px 5px;
    scrollbar-width: thin;
    scrollbar-color: #d4373a #f1f1f1;
    gap: 30px;
    margin-top: 50px;
}

.partner-item {
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    /*border: #cecece 1px solid;*/
}

.partner-item:hover {
    transform: translateY(-3px);
}

.partner-item img {
    height: 77px;
    object-fit: cover;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.link-item {
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.link-item a {
    color: #333;
}

.member-cards {
    display: grid;
    margin-top: 40px;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.member-card.blue {
    background: linear-gradient(to bottom, rgb(29, 144, 189), rgb(98, 195, 211));
}

.member-card.purple {
    background: linear-gradient(to bottom, rgb(87, 80, 248), rgb(151, 147, 232));
}

.member-card.pink {
    background: linear-gradient(to bottom, rgb(229, 084, 146), rgb(240, 137, 227));
}

.member-card.yellow {
    background: linear-gradient(to bottom, rgb(232, 158, 40), rgb(2547, 206, 80));
}

.member-card {
    border-radius: 20px;
    text-align: center;
    color: white;
    padding: 50px 10px;
}

.member-card .card-title {
    margin-bottom: 30px;
    font-size: 30px;
}

.member-card .card-content {
    font-size: 20px;
}

/* Contact Section */

.contact-info {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: #333;
    flex-wrap: wrap;
}

.contact-icon {
    font-size: 18px;
}

.contact-form {
    max-width: 800px;
    margin: 50px auto 0;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #d73527;
}

.submit-btn {
    background: #d73527;
    color: white;
    border: none;
    padding: 12px 40px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    margin: 30px auto 0;
}

.submit-btn:hover {
    background: #b8291f;
    transform: translateY(-2px);
}


/* Responsive Design */
@media (max-width: 1280px) {
    .member-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .advantages-grid {
        flex-direction: column;
    }

    .position-card {
        height: 240px;
    }

}

@media (max-width: 768px) {
    .position-cards {
        grid-template-columns: repeat(1, 1fr);
    }

    .position-card {
        height: auto;
    }

    .nav-menu,
    .nav-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .mission-vision {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .partners-grid,
    .links-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-info {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .member-cards {
        grid-template-columns: repeat(1, 1fr);
    }

    .position-card .btn-primary {
        width: 60px;
    }
}

@media (max-width: 480px) {

    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .advantage-card {
        padding: 30px 20px;
    }

    .partners-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.advantage-card,
.partner-item {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll animations */
.advantages,
.about-network,
.partners,
.contact {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

/* Loading state */
body.loading * {
    transition: none !important;
}