* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Comic Sans MS', 'Arial', sans-serif;
    background: linear-gradient(135deg, #ff9f43 0%, #ee5a24 100%);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 橙色渐变风格 */
.hero {
    background: linear-gradient(135deg, #ff9f43 0%, #ee5a24 100%);
}

.webapp-section {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.apps-section {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.about-section {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.contact-section {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo img {
    width: 60px;
    height: 60px;
    margin-right: 15px;
    vertical-align: middle;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-content {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    font-size: 28px;
    color: #ee5a24;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    margin: 0;
}

.logo p {
    font-size: 14px;
    color: #666;
    margin: 5px 0 0 0;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: #764ba2;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #ff9f43 0%, #ee5a24 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.app-logo {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background: white;
    padding: 20px;
}

.app-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hero h2 {
    font-size: 48px;
    color: white;
    margin-bottom: 20px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 20px;
    color: white;
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.app-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.info-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 5px;
}

.info-value {
    font-size: 16px;
    color: white;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.app-features,
.app-permissions {
    background: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.app-features h3,
.app-permissions h3 {
    color: white;
    margin-bottom: 15px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.app-features ul,
.app-permissions ul {
    list-style: none;
    padding: 0;
}

.app-features li,
.app-permissions li {
    color: white;
    margin-bottom: 10px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    padding-left: 20px;
    position: relative;
}

.app-features li::before,
.app-permissions li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.footer-info p {
    margin: 0;
    font-size: 14px;
    color: #666;
}

.app-details-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.app-details-section h2 {
    text-align: center;
    font-size: 36px;
    color: #ee5a24;
    margin-bottom: 50px;
    position: relative;
}

.app-details-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #ff9f43, #ee5a24);
    border-radius: 2px;
}

.app-details-section .app-info {
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.app-details-section .info-label {
    color: #666;
}

.app-details-section .info-value {
    color: #333;
    text-shadow: none;
}

.app-details-section .app-features,
.app-details-section .app-permissions {
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.app-details-section .app-features h3,
.app-details-section .app-permissions h3 {
    color: #ee5a24;
    text-shadow: none;
}

.app-details-section .app-features li,
.app-details-section .app-permissions li {
    color: #333;
    text-shadow: none;
}

.webapp-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
    text-align: center;
}

.webapp-section h2 {
    font-size: 36px;
    color: #ee5a24;
    margin-bottom: 20px;
}

.webapp-section p {
    font-size: 18px;
    color: #666;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(90deg, #ff9f43, #ee5a24);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 159, 67, 0.3);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 159, 67, 0.4);
    background: linear-gradient(90deg, #ee5a24, #ff9f43);
}

.apps-section {
    padding: 100px 0;
    background: white;
}

.apps-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 60px;
    position: relative;
}

.apps-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.app-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.app-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-card h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
}

.app-card p {
    color: #666;
    margin-bottom: 25px;
}

.download-btn {
    padding: 18px 36px;
    background: linear-gradient(90deg, #ff9f43, #ee5a24);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 159, 67, 0.4);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.download-btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(255, 159, 67, 0.5);
    background: linear-gradient(90deg, #ee5a24, #ff9f43);
}

.about-section {
    padding: 100px 0;
    background: #f8f9fa;
    text-align: center;
}

.about-section h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 30px;
}

.about-section p {
    font-size: 18px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.contact-section {
    padding: 100px 0;
    background: white;
}

.contact-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
}

.contact-section p {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
}

#contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#contact-form input,
#contact-form textarea {
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
}

#contact-form input:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: #764ba2;
    box-shadow: 0 0 0 3px rgba(118, 75, 162, 0.1);
}

#contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

#contact-form .g-recaptcha {
    margin: 20px 0;
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 20px;
}

.close:hover {
    color: #333;
}

.modal-content h3 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.download-info {
    text-align: center;
    margin: 30px 0;
}

.download-info p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #333;
}

.download-info p strong {
    color: #ee5a24;
    font-size: 20px;
}

.download-link {
    display: inline-block;
    margin-top: 20px;
}

.click-captcha {
    margin: 30px 0;
}

.captcha-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px;
    margin-bottom: 20px;
}

.captcha-cell {
    width: 100%;
    padding-bottom: 100%;
    background: #f0f0f0;
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.captcha-cell:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.captcha-cell.selected {
    background: rgba(255, 159, 67, 0.3);
    border: 2px solid #ee5a24;
}

.captcha-cell.target {
    background: linear-gradient(135deg, #ff9f43, #ee5a24);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.captcha-text {
    text-align: center;
    margin-top: 15px;
    color: #666;
    font-size: 16px;
}

.captcha-text #captcha-target {
    color: #ee5a24;
    font-weight: bold;
}

#download-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#download-form .form-group {
    margin-bottom: 20px;
}

#download-form label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #333;
}

#download-form .g-recaptcha {
    margin: 20px 0;
}

footer {
    background: #333;
    color: white;
    padding: 30px 0;
    text-align: center;
}

footer p {
    margin: 0;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        padding: 15px;
    }

    nav ul {
        margin-top: 15px;
    }

    nav ul li {
        margin-left: 15px;
        margin-right: 15px;
    }

    .hero h2 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .apps-section,
    .about-section,
    .contact-section {
        padding: 60px 0;
    }

    .apps-section h2,
    .about-section h2,
    .contact-section h2 {
        font-size: 28px;
    }

    .app-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-details-section {
        padding: 60px 0;
    }

    .app-details-section h2 {
        font-size: 28px;
    }

    .app-info {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 15px;
    }

    .app-features,
    .app-permissions {
        padding: 20px;
    }

    .app-features h3,
    .app-permissions h3 {
        font-size: 18px;
    }

    .app-features li,
    .app-permissions li {
        font-size: 14px;
        margin-bottom: 8px;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .app-card {
        padding: 20px;
    }

    .modal-content {
        margin: 30% auto;
        padding: 20px;
    }

    .app-details-section {
        padding: 40px 0;
    }

    .app-details-section h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .app-info {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 12px;
    }

    .info-item {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .info-label {
        font-size: 13px;
    }

    .info-value {
        font-size: 14px;
    }

    .app-features,
    .app-permissions {
        padding: 15px;
    }

    .app-features h3,
    .app-permissions h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .app-features li,
    .app-permissions li {
        font-size: 13px;
        margin-bottom: 6px;
        padding-left: 15px;
    }

    .footer-info p {
        font-size: 12px;
    }
}