/* 字体图标库替代方案 - 使用Unicode图标 */
.fas, .fa {
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
}

.fa-arrow-right:before { content: "\2192"; }
.fa-gift:before { content: "\1F381"; }
.fa-bars:before { content: "\2630"; }
.fa-times:before { content: "\2715"; }
.fa-download:before { content: "\2193"; }
.fa-check:before { content: "\2713"; }
.fa-spinner:before { content: "\21bb"; }
.fa-bullhorn:before { content: "\1F4E2"; }
.fa-shield-alt:before { content: "\1F6E1"; }
.fa-coins:before { content: "\1FA99"; }
.fa-mobile-alt:before { content: "\1F4F1"; }
.fa-bolt:before { content: "\26A1"; }
.fa-percentage:before { content: "%"; }
.fa-headset:before { content: "\1F4DE"; }
.fa-star:before { content: "\2605"; }
.fa-magic:before { content: "\2728"; }

/* 字体图标旋转动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

:root {
    --primary-color: #1a56db;
    --primary-dark: #1e3a8a;
    --secondary-color: #059669;
    --accent-color: #d97706;
    --dark-bg: #111827;
    --light-bg: #f9fafb;
    --card-bg: #ffffff;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 8px;
    --disabled-color: #9ca3af;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: var(--dark-bg);
    color: white;
    padding: 18px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    height: 50px;
}

/* LOGO图片样式 */
.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    display: none; /* 默认隐藏文字LOGO */
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 1.1rem;
}

.nav-links a:hover {
    color: #60a5fa;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 英雄区域优化 */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e3a8a 100%);
    color: white;
    padding: 60px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.03)"/></svg>');
    background-size: cover;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.9;
    line-height: 1.8;
}

.highlight {
    color: #fbbf24;
    font-weight: 700;
}

/* 上半部分主要按钮 */
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0 40px;
    flex-wrap: wrap;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 220px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.hero-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s;
}

.hero-btn:hover::after {
    left: 100%;
}

.hero-btn.download {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
    color: white;
}

.hero-btn.download:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(26, 86, 219, 0.3);
}

/* 空投按钮 - 修改为灰色且不可点击 */
.hero-btn.airdrop {
    background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
    color: white;
    cursor: not-allowed;
    opacity: 0.7;
}

/* 移除空投按钮的悬停效果 */
.hero-btn.airdrop:hover {
    transform: none;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* 添加空投按钮禁用状态 */
.hero-btn.airdrop.disabled {
    pointer-events: none;
    background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
    cursor: not-allowed;
    opacity: 0.7;
}

.hero-btn i {
    margin-left: 8px;
    font-size: 1.1rem;
    transition: transform 0.3s;
}

.hero-btn:hover i {
    transform: translateX(5px);
}

/* 禁用按钮的图标不变化 */
.hero-btn.airdrop:hover i {
    transform: none;
}

/* 喜讯区域 */
.good-news {
    background: linear-gradient(90deg, rgba(21, 128, 61, 0.1) 0%, rgba(34, 197, 94, 0.1) 100%);
    border-radius: var(--radius);
    padding: 20px;
    margin: 20px auto 30px;
    max-width: 800px;
    border-left: 4px solid var(--secondary-color);
}

.good-news-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.good-news-icon {
    font-size: 2.2rem;
    color: var(--secondary-color);
}

.good-news-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
}

.update-time {
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 10px;
    opacity: 0.8;
}

/* 主要内容区域 */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* 优势亮点 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

/* 快速注册步骤 */
.steps {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 60px;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 320px;
    text-align: center;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px 20px;
    box-shadow: var(--shadow);
    position: relative;
}

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

/* 下载区域 */
.downloads {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.download-card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary-color);
    transition: transform 0.3s;
}

.download-card:hover {
    transform: translateY(-3px);
}

.download-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.download-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 15px;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
}

.download-btn:hover {
    background-color: var(--primary-dark);
}

/* 用户评价 */
.reviews {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.review-card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    border-top: 3px solid #f59e0b;
}

.review-content {
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.7;
}

.review-author {
    font-weight: 600;
    color: var(--text-dark);
}

.review-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* 页脚 */
footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
    margin-bottom: 25px;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    color: #9ca3af;
    font-size: 0.9rem;
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: var(--radius);
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.modal-message {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

.modal-close {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

.modal-close:hover {
    background-color: var(--primary-dark);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.3rem;
    }

    .section-title {
        font-size: 1.9rem;
    }

    .good-news-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

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

    .hero {
        padding: 40px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-btn {
        width: 100%;
        max-width: 320px;
    }

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

    section {
        padding: 60px 0;
    }

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

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .step {
        width: 100%;
        max-width: 100%;
    }

    .logo-img {
        height: 35px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .hero-btn {
        min-width: auto;
        padding: 14px 24px;
        font-size: 1.1rem;
    }

    .good-news-text {
        font-size: 1rem;
    }

    .feature-card, .step, .download-card, .review-card {
        padding: 20px;
    }

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

    .logo-img {
        height: 30px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-card, .step, .download-card, .review-card {
    animation: fadeIn 0.6s ease-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-btn.pulse {
    animation: pulse 2s infinite;
}

/* 额外样式 */
.url-highlight {
    color: var(--primary-color);
    font-weight: 700;
}

/* 新LOGO图片样式 */
.logo-img {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* ===== 简洁友情链接模块样式 ===== */
.simple-friend-links {
    background-color: #fff;
    padding: 30px 0;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.friend-links-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
    text-align: center;
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px 25px;
    max-width: 900px;
    margin: 0 auto;
}

.friend-links-container a {
    color: #4b5563;
    text-decoration: none;
    font-size: 0.95rem;
    padding: 5px 0;
    transition: all 0.2s ease;
    position: relative;
}

.friend-links-container a:hover {
    color: #f59e0b;
}

.friend-links-container a::after {
    content: "";
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: #f59e0b;
    transition: width 0.3s ease;
}

.friend-links-container a:hover::after {
    width: 100%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .friend-links-container {
        gap: 12px 20px;
        padding: 0 15px;
    }

    .friend-links-container a {
        font-size: 0.9rem;
    }

    .simple-friend-links {
        padding: 25px 0;
    }
}