/* 全局重置与基础配置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* CSS全局变量 - 弱化统一规则，增加差异化 */
:root {
    /* 玻璃态核心参数 - 多套差异化参数，不再统一 */
    --glass-blur-strong: 30px;
    --glass-blur-normal: 20px;
    --glass-blur-light: 10px;
    --glass-bg-strong: rgba(255, 255, 255, 0.22);
    --glass-bg-normal: rgba(255, 255, 255, 0.18);
    --glass-bg-light: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.28);
    --glass-shadow-big: 0 12px 40px rgba(0, 0, 0, 0.12);
    --glass-shadow-normal: 0 8px 32px rgba(0, 0, 0, 0.08);
    --glass-shadow-small: 0 4px 16px rgba(0, 0, 0, 0.06);

    /* 蓝色主题色 */
    --ios-primary: #007AFF;
    --ios-primary-hover: #0066CC;
    --ios-secondary: #FF9500;
    --ios-white: #FFFFFF;
    --ios-text-primary: #1D1D1F;
    --ios-text-secondary: #6E6E73;

    /* 差异化圆角 - 不再统一规整，多套尺寸随性使用 */
    --radius-big: 28px;
    --radius-normal: 20px;
    --radius-small: 12px;
    --radius-mini: 8px;
    --radius-full: 9999px;

    /* 动画曲线 - 差异化，增加随性浮动效果 */
    --ease-ios: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-normal: all 0.3s var(--ease-ios);
    --transition-bounce: all 0.4s var(--ease-bounce);
}

/* 背景层 - 纯白背景 */
body {
    min-height: 100vh;
    background: #FFFFFF;
    overflow-x: hidden;
    padding: 0 20px;
}

/* 移除背景装饰 */
.bg-decor {
    display: none;
}

/* 玻璃态核心类 - 多套可选，不再强制统一 */
.glass-strong {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}
.glass-normal {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}
.glass-light {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* ==================== 顶部导航栏 - 保留核心功能，弱化规整感 ==================== */
.navbar {
    position: sticky;
    top: 20px;
    width: 100%;
    max-width: 1200px;
    height: 64px;
    margin: 20px auto 40px;
    border-radius: var(--radius-big);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 900;
    transition: var(--transition-normal);
}

/* 电脑版布局 */
@media (min-width: 992px) {
    .navbar {
        height: 80px;
    }
    
    .desktop-nav {
        display: flex;
        flex: 1;
        justify-content: center;
        margin: 0 40px;
    }
}

/* 手机版布局 */
@media (max-width: 991px) {
    .desktop-nav {
        display: none;
    }
    
    .nav-trigger {
        display: flex !important;
    }
}
/* 滚动时随性贴合效果，不再生硬切圆角 */
.navbar.scrolled {
    top: 0;
    margin: 0 auto 40px;
    border-radius: 0 0 var(--radius-normal) var(--radius-normal);
}
/* 左侧项目头部 - 图标+项目名，轻微随性偏移 */
.project-header {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 1;
    min-width: 0;
}
/* 项目图标 - 不规则圆角，随性质感 */
.project-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-small);
    background: linear-gradient(135deg, var(--ios-primary), var(--ios-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--ios-white);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(48, 209, 88, 0.3);
    transition: var(--transition-bounce);
}
.project-icon:hover {
    transform: rotate(5deg) scale(1.1);
}
/* 项目名称 - 放大突出，弱化次要信息 */
.project-name {
    font-size: 22px;
    font-weight: 800;
    color: var(--ios-text-primary);
    letter-spacing: -0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}
/* 右上角弹窗触发按钮 - 随性尺寸，hover带弹跳效果 */
.nav-trigger {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--ios-text-primary);
    cursor: pointer;
    transition: var(--transition-bounce);
    flex-shrink: 0;
}
.nav-trigger:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}
.nav-trigger:active {
    transform: scale(0.95);
}

/* ==================== 导航弹窗 - 保留功能，弱化规整感 ==================== */
.nav-modal {
    position: fixed;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition-bounce);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}
/* 桌面端弹窗 - 不规则圆角，随性位置 */
@media (min-width: 992px) {
    .nav-modal {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -48%) scale(0.9);
        width: 90%;
        max-width: 540px;
        border-radius: var(--radius-big);
        padding: 36px 28px;
    }
    .nav-modal.open {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
        transform: translate(-50%, -50%) scale(1);
    }
}
/* 移动端弹窗 - 随性圆角，底部滑入 */
@media (max-width: 992px) {
    .nav-modal {
        bottom: 0;
        left: 0;
        width: 100%;
        transform: translateY(100%);
        border-radius: var(--radius-big) var(--radius-big) 0 0;
        padding: 32px 24px 40px;
    }
    .nav-modal.open {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
        transform: translateY(0);
    }
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.modal-logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--ios-text-primary);
    letter-spacing: -0.5px;
}
.modal-close {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: var(--ios-white);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-bounce);
}
.modal-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: rotate(90deg) scale(1.1);
}
.modal-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 32px;
}
/* 导航项 - 随性padding，hover带偏移效果，突出选中态 */
.modal-nav-item {
    width: 100%;
    padding: 18px 22px;
    border-radius: var(--radius-normal);
    border: none;
    background: transparent;
    color: var(--ios-text-primary);
    text-align: left;
    font-size: 19px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: 14px;
}
.modal-nav-item:hover, .modal-nav-item.active {
    background: rgba(0, 0, 0, 0.05);
    transform: translateX(8px);
}
.modal-divider {
    height: 1px;
    background: var(--glass-border);
    margin: 24px 0;
}
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}
.modal-overlay.show,
.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* ==================== 主容器 - 打破规整网格，随性错落布局 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 28px;
    padding-bottom: 80px;
}

/* 侧边栏 - 弱化规整感，随性圆角与间距 */
.sidebar {
    border-radius: var(--radius-big);
    padding: 24px 16px;
    height: fit-content;
    position: sticky;
    top: 100px;
}
.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.sidebar-item {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-small);
    border: none;
    background: transparent;
    color: var(--ios-white);
    text-align: left;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.8;
}
.sidebar-item:hover, .sidebar-item.active {
    background: rgba(255, 255, 255, 0.2);
    opacity: 1;
    transform: translateX(6px);
}
.sidebar-divider {
    height: 1px;
    background: var(--glass-border);
    margin: 20px 0;
}

/* 内容区 - 随性间距，打破统一gap */
.content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* 页面标题 - 放大突出，核心重点，随性字重 */
.page-title {
    font-size: 42px;
    font-weight: 900;
    color: var(--ios-text-primary);
    letter-spacing: -1.5px;
    margin-bottom: 6px;
    line-height: 1.1;
}
.page-desc {
    font-size: 18px;
    color: var(--ios-text-secondary);
    font-weight: 400;
}

/* ==================== 核心修改：统计卡片 - 打破规整网格，错落布局突出重点 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.9fr 0.8fr 1fr;
    gap: 16px;
}
/* 卡片差异化尺寸与圆角，突出重点数据 */
.stat-card {
    border-radius: var(--radius-normal);
    padding: 24px 20px;
    transition: var(--transition-bounce);
}
/* 第一个卡片放大，突出核心数据 */
.stat-card:first-child {
    border-radius: var(--radius-big);
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--glass-shadow-big);
}
/* 统计数字放大，绝对重点 */
.stat-value {
    font-size: 40px;
    font-weight: 900;
    color: var(--ios-text-primary);
    margin-bottom: 6px;
    line-height: 1;
}
.stat-card:first-child .stat-value {
    font-size: 56px;
    margin-bottom: 10px;
}
.stat-label {
    font-size: 14px;
    color: var(--ios-text-secondary);
    font-weight: 500;
}
.stat-card:first-child .stat-label {
    font-size: 16px;
}

/* 主卡片 - 差异化圆角与玻璃态，随性padding */
.main-card {
    border-radius: var(--radius-big);
    padding: 32px 28px;
}
.card-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--ios-text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.8px;
}

/* 按钮组 - 随性间距，突出主按钮，弱化次要按钮 */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
    align-items: center;
}
/* 按钮差异化尺寸与权重，突出主按钮 */
.btn {
    padding: 12px 24px;
    border-radius: var(--radius-small);
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
}
.btn-primary {
    background: var(--ios-primary);
    color: var(--ios-white);
    padding: 14px 32px;
    font-size: 17px;
    font-weight: 700;
}
.btn-primary:hover {
    background: var(--ios-primary-hover);
    transform: scale(1.05);
}
.btn-primary:active {
    transform: scale(0.98);
}
.btn-glass {
    background: rgba(0, 0, 0, 0.05);
    color: var(--ios-text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}
.btn-glass:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}
.btn-glass:active {
    transform: scale(0.98);
}
.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* 表单组件区 - 随性间距，突出输入框焦点态 */
.form-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.form-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--ios-text-primary);
}
/* 输入框 - 随性圆角，焦点态突出 */
.form-input {
    width: 100%;
    max-width: 500px;
    padding: 14px 18px;
    border-radius: var(--radius-small);
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.8);
    color: var(--ios-text-primary);
    font-size: 16px;
    transition: var(--transition-bounce);
    outline: none;
}
.form-input::placeholder {
    color: var(--ios-text-secondary);
}
.form-input:focus {
    border-color: var(--ios-primary);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 4px rgba(48, 209, 88, 0.2);
    transform: scale(1.02);
}

/* 开关组 - 随性间距，突出开关状态 */
.switch-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 500px;
    padding: 14px 0;
}
.switch-label {
    font-size: 17px;
    font-weight: 600;
    color: var(--ios-text-primary);
}
.switch {
    position: relative;
    width: 56px;
    height: 34px;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    transition: var(--transition-bounce);
    border: 1px solid var(--glass-border);
}
.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 3px;
    bottom: 3px;
    background-color: var(--ios-white);
    border-radius: 50%;
    transition: var(--transition-bounce);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
input:checked + .slider {
    background-color: var(--ios-secondary);
    border-color: var(--ios-secondary);
}
input:checked + .slider:before {
    transform: translateX(22px);
}

/* 列表组件 - 打破统一高度，随性圆角，hover突出 */
.list-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.list-item {
    padding: 20px;
    border-radius: var(--radius-normal);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-bounce);
    cursor: pointer;
}
/* 列表项差异化，突出首项 */
.list-item:first-child {
    border-radius: var(--radius-big);
}
.list-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(8px);
}
.list-item-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.list-item-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ios-text-secondary);
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
    overflow: hidden;
}
.list-item-info h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ios-text-primary);
    margin-bottom: 4px;
}
.list-item-info p {
    font-size: 14px;
    color: var(--ios-text-secondary);
}
.list-item-arrow {
    color: var(--ios-text-secondary);
    font-size: 20px;
    transition: var(--transition-bounce);
}
.list-item:hover .list-item-arrow {
    transform: translateX(4px);
}

/* 响应式适配 - 移动端依然随性，同时保证可用性 */
@media (max-width: 992px) {
    .container {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        height: 100vh;
        width: 260px;
        border-radius: 0;
        z-index: 200;
        transition: var(--transition-normal);
    }
    .sidebar.open {
        left: 0;
    }
    /* 移动端统计卡片错落布局 */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stat-card:first-child {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 576px) {
    .page-title {
        font-size: 34px;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .stat-card:first-child {
        grid-column: span 1;
    }
    .navbar {
        height: 58px;
        padding: 0 18px;
    }
    .project-icon {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }
    .project-name {
        font-size: 19px;
    }
    .nav-trigger {
        width: 42px;
        height: 42px;
        font-size: 20px;
    }
    .main-card {
        padding: 24px 20px;
    }
    .card-title {
        font-size: 24px;
    }
}

/* 侧边栏遮罩层 - 移动端 */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}
.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* 动漫社网站特有的样式适配 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-normal);
    overflow: hidden;
    box-shadow: var(--glass-shadow-small);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition-bounce);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--glass-shadow-big);
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.2) 100%);
}

.card-content {
    padding: 20px;
}

.card-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
    color: var(--ios-text-primary);
}

.card-meta {
    display: flex;
    gap: 14px;
    color: var(--ios-text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
    align-items: center;
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-text {
    color: var(--ios-text-secondary);
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-section {
    padding: 32px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
}

.hero-main {
    background: rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--radius-big);
    padding: 40px;
    box-shadow: var(--glass-shadow-big);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-main h1 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -1.2px;
    margin-bottom: 12px;
    line-height: 1.1;
    color: var(--ios-text-primary);
}

.hero-main p {
    font-size: 17px;
    color: var(--ios-text-secondary);
    margin-bottom: 28px;
    line-height: 1.6;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 12px;
}

.hero-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-normal);
    padding: 24px;
    box-shadow: var(--glass-shadow-normal);
    border: 1px solid rgba(0, 0, 0, 0.1);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--ios-text-secondary);
    margin-bottom: 6px;
}

.hero-card-value {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.8px;
    color: var(--ios-text-primary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 28px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.6px;
    color: var(--ios-text-primary);
}

.section-desc {
    color: var(--ios-text-secondary);
    font-size: 15px;
    margin-top: 4px;
}

.section-link {
    font-size: 14px;
    color: var(--ios-primary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.section-link:hover {
    opacity: 0.8;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-mini);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-upcoming {
    background: rgba(52, 199, 89, 0.12);
    color: #34c759;
}

.badge-ended {
    background: rgba(142, 142, 147, 0.12);
    color: #8e8e93;
}

.badge-ongoing {
    background: rgba(0, 122, 255, 0.12);
    color: #007aff;
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-small);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(52, 199, 89, 0.12);
    color: #34c759;
    border: 1px solid rgba(52, 199, 89, 0.3);
}

.alert-error {
    background: rgba(255, 59, 48, 0.12);
    color: #ff3b30;
    border: 1px solid rgba(255, 59, 48, 0.3);
}

@media (max-width: 992px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .hero-main {
        padding: 28px 24px;
    }
    
    .hero-main h1 {
        font-size: 32px;
    }
    
    .hero-main p {
        font-size: 15px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-main h1 {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .card-image {
        height: 160px;
    }
    
    .card-content {
        padding: 16px;
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .card-text {
        font-size: 14px;
    }
}

/* ==================== 核心：分段导航栏样式 ==================== */
.segmented-nav-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.segmented-nav {
    position: relative;
    display: flex;
    width: fit-content;
    min-width: 600px;
    background: var(--glass-bg-normal);
    backdrop-filter: blur(var(--glass-blur-normal));
    -webkit-backdrop-filter: blur(var(--glass-blur-normal));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 6px;
    box-shadow: var(--glass-shadow-normal);
}

/* 滑动滑块 - 核心动画载体 */
.segmented-nav .nav-slider {
    position: absolute;
    top: 50%;
    left: 6px;
    transform: translateY(-50%);
    height: calc(100% - 12px);
    border-radius: var(--radius-full);
    background: var(--ios-primary);
    transition: transform 0.3s var(--ease-ios), width 0.3s var(--ease-ios);
    box-shadow: 0 2px 8px rgba(48, 209, 88, 0.3);
    z-index: 0;
}

/* 导航选项 */
.segmented-nav .nav-item {
    position: relative;
    flex: 1;
    min-width: 80px;
    padding: 10px 24px;
    border: none;
    background: transparent;
    color: var(--ios-text-secondary);
    font-size: 18px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: color 0.3s var(--ease-ios);
    z-index: 1;
    border-radius: var(--radius-full);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* 选中态样式 */
.segmented-nav .nav-item.active {
    color: #ffffff;
    font-weight: 600;
}

/* hover态反馈 */
.segmented-nav .nav-item:hover:not(.active) {
    color: var(--ios-text-primary);
}

/* 响应式适配：电脑版显示分段导航，手机版显示按钮 */
.desktop-nav {
    display: none;
}

.mobile-nav-trigger {
    display: block;
}

@media (min-width: 992px) {
    .desktop-nav {
        display: flex;
        justify-content: center;
    }
    
    .mobile-nav-trigger {
        display: none;
    }
}

@media (max-width: 992px) {
    .segmented-nav-container {
        display: none;
    }
}

@media (max-width: 768px) {
    .segmented-nav {
        min-width: 100%;
        width: 100%;
    }
    .segmented-nav .nav-item {
        font-size: 16px;
        padding: 10px 12px;
        min-width: auto;
    }
}