/**
 * 统一模板样式 - 基于首页风格
 * 所有页面复用首页的设计风格
 */

/* ========================================
   首页风格变量
   ======================================== */
:root {
    --ac-gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --ac-card-bg: rgba(255, 255, 255, 0.95);
    --ac-card-border-radius: 20px;
    --ac-card-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    --ac-card-padding: 60px 40px;
    --ac-card-padding-mobile: 40px 25px;
    --ac-card-padding-small: 30px 20px;
    --ac-backdrop-blur: blur(10px);
    
    /* 动画 */
    --ac-animation-duration: 0.6s;
    --ac-animation-timing: ease-out;
}

/* ========================================
   统一容器样式 - 首页风格
   ======================================== */
.ac-unified-container {
    min-height: 100vh;
    padding: 20px;
    margin: 0;
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    background: var(--ac-gradient-bg);
    overflow-x: hidden;
}

/* 统一内容卡片 - 首页风格 */
.ac-unified-card,
.ac-unified-container > *:not(.ac-beian-footer) {
    width: 100%;
    max-width: 1200px;
    background: var(--ac-card-bg);
    border-radius: var(--ac-card-border-radius);
    padding: var(--ac-card-padding);
    margin: 20px 0;
    box-shadow: var(--ac-card-shadow);
    backdrop-filter: var(--ac-backdrop-blur);
    animation: fadeInUp var(--ac-animation-duration) var(--ac-animation-timing);
}

/* 首页专用包装器样式（兼容旧代码） */
.ac-homepage-wrapper {
    width: 100%;
    max-width: 800px;
    text-align: center;
    background: var(--ac-card-bg);
    border-radius: var(--ac-card-border-radius);
    padding: var(--ac-card-padding);
    box-shadow: var(--ac-card-shadow);
    backdrop-filter: var(--ac-backdrop-blur);
}

.ac-homepage-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--ac-gradient-bg);
    padding: 20px;
    position: relative;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Logo图标动画 */
.ac-logo-icon {
    animation: float 3s ease-in-out infinite;
}

/* ========================================
   首页元素样式（可复用）
   ======================================== */

/* Logo区域 */
.ac-homepage-logo {
    margin-bottom: 30px;
}

.ac-logo-icon {
    font-size: 64px;
    display: inline-block;
}

/* 主标题 */
.ac-homepage-title {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin: 0 0 20px 0;
    letter-spacing: 1px;
    line-height: 1.3;
}

/* 口号区域 */
.ac-homepage-slogan {
    margin: 30px 0 40px 0;
    padding: 30px 0;
    border-top: 2px solid #f0f0f0;
    border-bottom: 2px solid #f0f0f0;
}

.ac-slogan-main {
    font-size: 24px;
    font-weight: 600;
    color: #667eea;
    margin: 0 0 10px 0;
    letter-spacing: 2px;
}

.ac-slogan-sub {
    font-size: 16px;
    color: #666;
    margin: 0;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* 导航链接区域 */
.ac-homepage-navigation {
    margin: 40px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ac-homepage-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    border: none;
    cursor: pointer;
}

.ac-homepage-link-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.ac-homepage-link-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.ac-link-btn-icon {
    font-size: 24px;
    line-height: 1;
}

.ac-link-btn-text {
    line-height: 1;
}

/* 备案信息区域 */
.ac-homepage-beian {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    display: block;
    visibility: visible;
    opacity: 1;
}

/* ========================================
   备案信息样式 - 统一风格
   ======================================== */
.ac-beian-footer {
    width: 100%;
    max-width: 1200px;
    padding: 20px 16px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    margin-top: auto;
    margin-bottom: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ac-beian-footer-content {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin: 0 auto;
    display: inline-block;
}

.ac-beian-footer a {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.ac-beian-footer a:hover {
    color: rgba(255, 255, 255, 1);
    text-decoration: underline;
    transform: translateY(-1px);
}

.ac-beian-footer span {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.5);
}

/* 首页内的备案信息（白色背景） */
.ac-homepage-beian .ac-beian-footer {
    background: transparent;
    border: none;
    box-shadow: none;
    margin-top: 0;
    margin-bottom: 0;
    padding: 15px 0;
    width: 100%;
    max-width: 100%;
}

.ac-homepage-beian .ac-beian-footer-content {
    color: #666;
    font-size: 13px;
    display: block;
    width: 100%;
    text-align: center;
}

.ac-homepage-beian .ac-beian-footer a {
    color: #666;
    text-decoration: none;
    display: inline-block;
}

.ac-homepage-beian .ac-beian-footer a:hover {
    color: #667eea;
    text-decoration: underline;
}

.ac-homepage-beian .ac-beian-footer span {
    color: #ddd;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
    .ac-unified-container {
        padding: 15px;
    }
    
    .ac-unified-card,
    .ac-unified-container > *:not(.ac-beian-footer),
    .ac-homepage-wrapper {
        padding: var(--ac-card-padding-mobile);
        border-radius: 15px;
        margin: 15px 0;
    }
    
    .ac-homepage-navigation {
        margin: 30px 0;
    }
    
    .ac-homepage-link-btn {
        padding: 14px 28px;
        font-size: 16px;
        gap: 10px;
    }
    
    .ac-link-btn-icon {
        font-size: 20px;
    }
    
    .ac-homepage-title {
        font-size: 24px;
    }
    
    .ac-slogan-main {
        font-size: 20px;
    }
    
    .ac-slogan-sub {
        font-size: 14px;
    }
    
    .ac-logo-icon {
        font-size: 48px;
    }
    
    .ac-beian-footer {
        padding: 16px 12px;
        border-radius: 12px;
        margin-bottom: 15px;
    }
    
    .ac-beian-footer-content {
        font-size: 11px;
        line-height: 1.6;
    }
    
    .ac-beian-footer span {
        margin: 0 4px;
    }
}

@media (max-width: 480px) {
    .ac-unified-container {
        padding: 10px;
    }
    
    .ac-unified-card,
    .ac-unified-container > *:not(.ac-beian-footer),
    .ac-homepage-wrapper {
        padding: var(--ac-card-padding-small);
        border-radius: 12px;
        margin: 10px 0;
    }
    
    .ac-homepage-title {
        font-size: 20px;
    }
    
    .ac-slogan-main {
        font-size: 18px;
    }
    
    .ac-slogan-sub {
        font-size: 13px;
    }
}

/* ========================================
   工具类 - 快速应用首页风格
   ======================================== */

/* 应用首页渐变背景 */
.ac-gradient-bg {
    background: var(--ac-gradient-bg);
}

/* 应用首页卡片样式 */
.ac-card-style {
    background: var(--ac-card-bg);
    border-radius: var(--ac-card-border-radius);
    padding: var(--ac-card-padding);
    box-shadow: var(--ac-card-shadow);
    backdrop-filter: var(--ac-backdrop-blur);
}

/* 应用淡入动画 */
.ac-fade-in-up {
    animation: fadeInUp var(--ac-animation-duration) var(--ac-animation-timing);
}

/* 应用浮动动画 */
.ac-float-animation {
    animation: float 3s ease-in-out infinite;
}