/* 全局样式重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f8f9fa;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    width: 100%;
}

/* 顶部导航栏 */
.top-nav {
    background-color: #fff;
    padding: 15px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-small {
    font-size: 1.5rem;
    font-weight: bold;
    color: #3a86ff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-small i {
    color: #3a86ff;
    font-size: 1.2rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: #555;
    position: relative;
}

.nav-links a:hover {
    color: #3a86ff;
}

.nav-links a.active {
    color: #3a86ff;
    font-weight: 600;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #3a86ff;
}

.vip-link {
    background: linear-gradient(135deg, #ffaa00, #ff6a00);
    color: #fff !important;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 3px 10px rgba(255, 170, 0, 0.3);
    transition: all 0.3s ease;
}

.vip-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 170, 0, 0.4);
}

.vip-link i {
    color: #fff;
    font-size: 0.9rem;
}

.user-nav {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
}

.start-btn {
    background-color: #3a86ff;
    color: #fff;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.start-btn:hover {
    background-color: #2a76ef;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(58, 134, 255, 0.3);
}

.divider {
    color: #ccc;
}

#loginLink {
    color: #555;
    display: flex;
    align-items: center;
    gap: 6px;
}

#loginLink:hover {
    color: #3a86ff;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: #333;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 20px;
}

.user-info:hover {
    background-color: #f0f0f0;
}

.user-info i {
    color: #3a86ff;
    font-size: 1.1rem;
}

.vip-badge {
    color: #ffaa00 !important;
    margin-left: 5px;
    font-size: 0.8rem !important;
}

.user-dropdown {
    position: absolute;
    top: 45px;
    right: 0;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    padding: 10px;
    width: 160px;
    z-index: 1000;
}

.user-dropdown a {
    display: block;
    padding: 10px;
    font-size: 0.9rem;
    color: #555;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-dropdown a:hover {
    background-color: #f5f5f5;
    color: #3a86ff;
}

.user-dropdown a i {
    width: 16px;
    font-size: 0.9rem;
    color: #666;
}

/* 主体内容区域基础样式 */
main {
    margin-top: 70px;
    padding-bottom: 50px;
}

/* 主标题区 */
.hero-section {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #f6f9fc 0%, #eaf2fd 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%233a86ff" fill-opacity="0.03" d="M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,197.3C672,192,768,160,864,138.7C960,117,1056,107,1152,112C1248,117,1344,139,1392,149.3L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    z-index: 0;
    opacity: 0.8;
}

.hero-content {
    display: flex;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.logo-container {
    flex: 2;
    padding-right: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo-icon {
    font-size: 2.5rem;
    color: #3a86ff;
    filter: drop-shadow(0 2px 5px rgba(58, 134, 255, 0.3));
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #333;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    background: linear-gradient(45deg, #3a86ff, #00b4d8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 500;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.4;
}

.tagline .highlight {
    color: #ff6b6b;
    font-weight: 600;
    display: inline-block;
    position: relative;
}

.tagline .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: rgba(255, 107, 107, 0.2);
    z-index: -1;
    border-radius: 3px;
}

.description {
    margin-bottom: 30px;
}

.description p {
    margin-bottom: 10px;
    color: #666;
    line-height: 1.7;
    font-size: 1.05rem;
}

.features-list {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    flex: 1;
    min-width: 110px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(58, 134, 255, 0.1);
}

.feature-item i {
    font-size: 1.5rem;
    color: #3a86ff;
}

.feature-item span {
    font-weight: 600;
    color: #555;
    font-size: 0.9rem;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.btn {
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: #3a86ff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #2a76ef;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(58, 134, 255, 0.3);
}

.btn-secondary {
    background-color: #fff;
    color: #3a86ff;
    border: 2px solid #3a86ff;
}

.btn-secondary:hover {
    background-color: #eaf2fd;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(58, 134, 255, 0.15);
}

.btn-outline {
    background-color: transparent;
    color: #3a86ff;
    border: 2px solid #3a86ff;
}

.btn-outline:hover {
    background-color: rgba(58, 134, 255, 0.1);
    transform: translateY(-3px);
}

.announcement {
    flex: 1;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 25px;
    position: relative;
    overflow: hidden;
    max-width: 350px;
    height: fit-content;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.announcement:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.announcement::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #3a86ff, #00b4d8);
}

.announcement-header {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.announcement-header i {
    color: #ff6b6b;
}

.announcement-content {
    margin-bottom: 20px;
}

.notice {
    padding: 12px 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #555;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.notice:hover {
    transform: translateX(5px);
    background-color: #f5f5f5;
}

.notice i {
    color: #3a86ff;
    font-size: 0.9rem;
}

.notice.highlight {
    background-color: #e6f2ff;
    border-left: 3px solid #3a86ff;
}

.notice.highlight i {
    color: #ffaa00;
}

.notice.celebration {
    background-color: #ffeaea;
    border-left: 3px solid #ff6b6b;
}

.notice.celebration i {
    color: #ff6b6b;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 5px 12px;
    background-color: #f5f5f5;
    color: #666;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.tag:hover {
    background-color: #e6f2ff;
    color: #3a86ff;
    transform: translateY(-2px);
}

.tag i {
    font-size: 0.7rem;
    color: #999;
}

/* 统计数据展示 */
.stats-section {
    padding: 60px 0;
    background-color: #fff;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
}

.stats-wrapper {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 30px 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    background-color: #fff;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3a86ff;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
    }

    .features-section .container {
        flex-direction: column;
    }

    .main-nav {
        display: none;
    }
}

/* 基础样式 */
:root {
    --primary-color: #ff95b7;
    --secondary-color: #ffb6c1;
    --accent-color: #ff80a0;
    --bg-color: #fff5f7;
    --text-color: #5a3d5c;
    --light-text: #8a6e8a;
    --border-color: #ffd1dc;
    --shadow-color: rgba(255, 182, 193, 0.2);
    --container-bg: rgba(255, 250, 250, 0.9);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', 'Noto Sans SC', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    background-image: url('background-sakura.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
}

/* 樱花飘落动画 */
.sakura-container {
    position: fixed;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.sakura {
    position: absolute;
    background: #ffc0cb;
    border-radius: 50% 0 50% 50%;
    box-shadow: 0 0 10px #ffc0cb;
    filter: blur(1px);
    opacity: 0.7;
    z-index: 1;
    animation: fall linear infinite;
    transform: rotate(10deg);
}

@keyframes fall {
    0% {
        transform: translate(0, 0) rotate(0deg) scale(0.6);
        opacity: 1;
    }
    100% {
        transform: translate(100px, 1000px) rotate(720deg) scale(0.6);
        opacity: 0;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-color);
}

/* 顶部导航 */
.top-nav {
    background-color: var(--container-bg);
    box-shadow: 0 2px 15px var(--shadow-color);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.logo-small {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-nav, .user-nav {
    display: flex;
    align-items: center;
}

.main-nav a, .user-nav a {
    margin: 0 10px;
    padding: 5px 10px;
    font-size: 0.95rem;
    color: var(--text-color);
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.main-nav a:hover, .user-nav a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.main-nav a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.divider {
    color: var(--light-text);
    margin: 0 5px;
}

/* 英雄区 */
.hero-section {
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
}

.logo-container {
    flex: 1;
}

.logo {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.logo-icon {
    font-size: 2.5rem;
    margin-right: 0.8rem;
}

.logo h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.tagline {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.description {
    max-width: 500px;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.description p {
    margin: 0.5rem 0;
    color: var(--light-text);
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    font-size: 1rem;
    color: var(--light-text);
}

.feature {
    padding: 0.3rem 0;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-color);
    color: white;
}

.btn-secondary {
    background-color: white;
    color: var(--text-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--bg-color);
    color: var(--primary-color);
}

/* 公告区域 */
.announcement {
    background-color: var(--container-bg);
    border-radius: 15px;
    padding: 1.5rem;
    width: 300px;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.announcement-header {
    font-weight: 600;
    text-align: center;
    padding-bottom: 0.8rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
}

.announcement-content {
    margin-bottom: 1.5rem;
}

.notice {
    padding: 0.5rem 0;
    margin: 0;
    font-size: 0.95rem;
    color: var(--light-text);
    position: relative;
    padding-left: 1.2rem;
}

.notice::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.notice.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.notice.celebration {
    color: var(--accent-color);
    font-weight: 600;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: rgba(255, 149, 183, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* 方法介绍 */
.method-section {
    padding: 80px 0;
    background-color: #f9fafc;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #3a86ff, #00b4d8);
    border-radius: 3px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #888;
    margin-bottom: 50px;
    font-weight: 400;
}

.method-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.method-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.method-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.method-steps {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.step {
    display: flex;
    gap: 15px;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-5px) translateX(5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.step-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: #3a86ff;
    opacity: 0.2;
    line-height: 1;
}

.step-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.step-content p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 特点介绍 */
.features-section {
    padding: 80px 0;
    background-color: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background-color: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(58, 134, 255, 0.2);
}

.feature-icon {
    font-size: 2rem;
    color: #3a86ff;
    margin-bottom: 20px;
    background-color: #eaf2fd;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.15);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.feature-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

/* 会员介绍 */
.vip-section {
    padding: 80px 0;
    background-color: #f9fafc;
    position: relative;
    overflow: hidden;
}

.vip-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffaa00" fill-opacity="0.03" d="M0,160L48,160C96,160,192,160,288,181.3C384,203,480,245,576,234.7C672,224,768,160,864,128C960,96,1056,96,1152,106.7C1248,117,1344,139,1392,149.3L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    opacity: 0.5;
}

.vip-cards {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
    position: relative;
    z-index: 1;
}

.vip-card {
    background-color: #fff;
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    max-width: 350px;
    width: 100%;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.vip-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.vip-card.free {
    background-color: #f9fafc;
}

.vip-card.premium {
    border: 2px solid #ffaa00;
    background-color: #fff;
    box-shadow: 0 15px 40px rgba(255, 170, 0, 0.15);
    z-index: 2;
}

.vip-tag {
    position: absolute;
    top: -12px;
    right: 30px;
    background: linear-gradient(135deg, #ffaa00, #ff6a00);
    color: #fff;
    padding: 5px 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(255, 170, 0, 0.3);
}

.vip-header {
    margin-bottom: 30px;
    text-align: center;
}

.vip-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.vip-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: #3a86ff;
}

.vip-card.premium .vip-price {
    color: #ffaa00;
}

.vip-price span {
    font-size: 1rem;
    font-weight: 600;
    color: #888;
}

.vip-features {
    margin-bottom: 30px;
}

.vip-feature {
    padding: 10px 0;
    font-size: 1rem;
    color: #666;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.vip-feature i {
    color: #00c853;
    font-size: 0.9rem;
}

.vip-feature.disabled {
    color: #aaa;
}

.vip-feature.disabled i {
    color: #ff6b6b;
}

.vip-btn {
    display: block;
    width: 100%;
    padding: 12px;
    border-radius: 30px;
    text-align: center;
    font-weight: 600;
    color: #fff;
    background-color: #3a86ff;
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.2);
    transition: all 0.3s ease;
}

.vip-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(58, 134, 255, 0.3);
}

.vip-card.premium .vip-btn {
    background: linear-gradient(135deg, #ffaa00, #ff6a00);
    box-shadow: 0 5px 15px rgba(255, 170, 0, 0.2);
}

.vip-card.premium .vip-btn:hover {
    box-shadow: 0 8px 25px rgba(255, 170, 0, 0.3);
}

/* 页脚 */
footer {
    padding: 70px 0 30px;
    background-color: #1a2332;
    color: #f5f5f5;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}

.footer-logo i {
    color: #3a86ff;
}

.footer-tagline {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #aaa;
    line-height: 1.5;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #3a86ff;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: #aaa;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: #3a86ff;
    transform: translateX(5px);
}

.footer-social h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-social h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #3a86ff;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #3a86ff;
    transform: translateY(-5px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: #aaa;
    font-size: 0.9rem;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #3a86ff;
    color: #fff;
    border-radius: 50%;
    display: none;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    border: none;
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.3);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top:hover {
    background-color: #2a76ef;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(58, 134, 255, 0.4);
}

/* 响应式样式 */
@media (max-width: 1200px) {
    .hero-content {
        flex-direction: column;
    }
    
    .announcement {
        max-width: 100%;
    }
    
    .method-content {
        flex-direction: column;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .vip-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .top-nav {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        min-width: auto;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .stats-wrapper {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .user-nav {
        width: 100%;
        justify-content: space-between;
    }
    
    .main-nav {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-section {
        padding: 60px 0 40px;
    }
    
    .feature-card,
    .step {
        padding: 20px 15px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* 用户反馈 */
.testimonials-section {
    padding: 80px 0;
    background-color: #fff;
    border-top: 1px solid #f0f0f0;
}

.testimonials-slider {
    margin: 50px auto 30px;
    max-width: 800px;
    position: relative;
}

.testimonial {
    background-color: #f9fafc;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin: 0 auto;
    position: relative;
    border: 1px solid #f0f0f0;
}

.testimonial::before {
    content: '\201C';
    font-family: serif;
    font-size: 5rem;
    color: rgba(58, 134, 255, 0.1);
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
}

.testimonial-content {
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: #333;
    font-size: 1rem;
}

.author-title {
    color: #888;
    font-size: 0.9rem;
}

.testimonials-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ccc;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: #3a86ff;
    transform: scale(1.2);
}

/* 下载APP引导 */
.download-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50, #4a6491);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,106.7C96,117,192,139,288,149.3C384,160,480,160,576,149.3C672,139,768,117,864,101.3C960,85,1056,75,1152,80C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.download-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.download-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 10px;
}

.download-cta {
    margin-top: 30px;
}

.download-cta .btn-outline {
    color: #fff;
    border-color: #fff;
}

.download-cta .btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}