/* 
 * X Do - 停止清单应用
 * 艺术品级设计 - 减法哲学的视觉表达
 * 为 tRy's APP 创建 
 */

/* ===== 全局变量 ===== */
:root {
    /* 色彩方案 - 冷暖对比，有限但强烈 */
    --color-primary: #6366f1;      /* 主色调：沉稳而充满活力的紫色 */
    --color-secondary: #ec4899;    /* 辅色调：鲜明的粉色 */
    --color-tertiary: #14b8a6;     /* 第三色：清新的青绿色 */
    --color-dark: #0f172a;         /* 深色背景 */
    --color-darker: #080c1a;       /* 更深的背景色 */
    --color-light: #f8fafc;        /* 浅色文本和元素 */
    --color-gray: #94a3b8;         /* 中性灰色 */
    --color-gray-dark: #475569;    /* 深灰色 */
    --color-gray-light: #cbd5e1;   /* 浅灰色 */
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
    --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
    --gradient-tertiary: linear-gradient(135deg, #14b8a6 0%, #2dd4bf 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-light: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    
    /* 字体系统 */
    --font-primary: 'Space Grotesk', sans-serif;
    --font-display: 'DM Serif Display', serif;
    
    /* 字体大小 - 流体比例系统 */
    --fs-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --fs-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --fs-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --fs-md: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --fs-lg: clamp(1.375rem, 1.25rem + 0.75vw, 1.5rem);
    --fs-xl: clamp(1.75rem, 1.5rem + 1vw, 2rem);
    --fs-2xl: clamp(2.25rem, 2rem + 1.5vw, 2.5rem);
    --fs-3xl: clamp(3rem, 2.5rem + 2vw, 3.5rem);
    --fs-4xl: clamp(3.75rem, 3rem + 3vw, 4.5rem);
    
    /* 间距系统 */
    --space-3xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.375rem);
    --space-2xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --space-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --space-sm: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
    --space-md: clamp(1.5rem, 1.4rem + 0.5vw, 2rem);
    --space-lg: clamp(2.5rem, 2rem + 2.5vw, 4rem);
    --space-xl: clamp(4rem, 3.5rem + 2.5vw, 6rem);
    --space-2xl: clamp(6rem, 5rem + 5vw, 8rem);
    
    /* 边框圆角 */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* 阴影系统 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 过渡动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* 容器宽度 */
    --container-width: 1280px;
    --container-padding: var(--space-md);
}

/* ===== 重置样式 ===== */
*, 
*::before, 
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* 为固定导航预留空间 */
    height: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--color-light);
    background-color: var(--color-dark);
    min-height: 100%;
    overflow-x: hidden;
    cursor: none; /* 隐藏默认光标，使用自定义光标 */
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--color-darker);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-gray-dark);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-gray);
}

/* 文本选择样式 */
::selection {
    background-color: var(--color-secondary);
    color: var(--color-light);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

a {
    color: var(--color-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

img, svg {
    max-width: 100%;
    display: block;
}

/* 表单元素重置 */
input, 
textarea, 
select, 
button {
    font: inherit;
    color: inherit;
}

input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    width: 1.25em;
    height: 1.25em;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-sm);
    vertical-align: -0.25em;
    margin-right: var(--space-xs);
    transition: all var(--transition-fast);
}

input[type="checkbox"]:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 0.25em;
    height: 0.5em;
    border: solid white;
    border-width: 0 2px 2px 0;
}

/* ===== 通用样式类 ===== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* 噪点纹理 - 应用于多个背景 */
.noise {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.05;
    z-index: 1;
    pointer-events: none;
}

/* 文本渐变效果 */
.text-gradient {
    background-image: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    display: inline-block;
}

.text-gradient-secondary {
    background-image: var(--gradient-secondary);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    display: inline-block;
}

/* 区块标题通用样式 */
.section-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.section-number {
    font-size: var(--fs-lg);
    color: var(--color-secondary);
    font-weight: 500;
    opacity: 0.9;
}

.section-title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-light);
    margin-bottom: var(--space-2xs);
}

.section-subtitle {
    font-size: var(--fs-md);
    color: var(--color-gray);
    font-weight: 400;
    max-width: 600px;
}

.section-header.right {
    text-align: right;
    align-items: flex-end;
}

.section-header.center {
    text-align: center;
    align-items: center;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--fs-sm);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: width var(--transition-medium);
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background-image: var(--gradient-primary);
    color: var(--color-light);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--color-gray-light);
    color: var(--color-light);
}

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

.btn-text {
    margin-right: var(--space-xs);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 尝试添加一个光标跟随效果 */
.cursor-follow {
    position: fixed;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(99, 102, 241, 0.2);
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: transform 0.1s, width 0.3s, height 0.3s, background-color 0.3s;
    z-index: 9999;
    backdrop-filter: blur(2px);
}

.cursor-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-primary);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background-color 0.3s;
}

.cursor-follow.active {
    width: 60px;
    height: 60px;
    background-color: rgba(99, 102, 241, 0.3);
}

.cursor-follow.active .cursor-inner {
    width: 12px;
    height: 12px;
}

@media (max-width: 768px) {
    .cursor-follow, .cursor-inner {
        display: none;
    }
    
    body {
        cursor: auto;
    }
}

/* ===== 加载屏幕 ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-dark);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    max-width: 400px;
    padding: var(--space-md);
}

.loading-logo {
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--color-light);
    font-family: var(--font-display);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.2s;
}

.loading-bar {
    width: 100%;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 0.4s;
}

.loading-progress {
    height: 100%;
    width: 0;
    background-image: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: loadingProgress 2.5s ease forwards;
}

.loading-text {
    color: var(--color-gray);
    font-size: var(--fs-sm);
    text-align: center;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 0.6s;
}

@keyframes loadingProgress {
    0% { width: 0; }
    10% { width: 10%; }
    30% { width: 40%; }
    50% { width: 60%; }
    70% { width: 75%; }
    90% { width: 90%; }
    100% { width: 100%; }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== 导航栏 ===== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease, padding 0.3s ease;
    mix-blend-mode: difference; /* 创建与背景的高对比效果 */
}

.main-nav.scrolled {
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    padding: var(--space-xs) var(--space-md);
    mix-blend-mode: normal;
}

.nav-brand {
    font-weight: 700;
    font-size: var(--fs-lg);
    color: var(--color-light);
    letter-spacing: 0.5px;
}

.menu-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    z-index: 101;
    padding: 0;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.menu-toggle:hover {
    transform: scale(1.1);
}

.menu-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-light);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-open .menu-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-open .menu-line:nth-child(2) {
    transform: rotate(-45deg);
}

/* ===== 全屏菜单 ===== */
.fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-darker);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.fullscreen-menu.active {
    opacity: 1;
    visibility: visible;
}

.menu-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    max-width: var(--container-width);
    padding: var(--space-2xl) var(--container-padding) var(--space-xl);
}

.menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.menu-link {
    font-size: var(--fs-2xl);
    font-weight: 500;
    color: var(--color-light);
    opacity: 0.7;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform-origin: left;
    position: relative;
    display: inline-block;
    overflow: hidden;
}

.menu-link:hover {
    opacity: 1;
    transform: scale(1.05);
}

.menu-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-image: var(--gradient-primary);
    transition: width 0.3s ease;
}

.menu-link:hover::after {
    width: 100%;
}

.menu-link[data-text]::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    color: var(--color-primary);
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-link:hover[data-text]::before {
    transform: translateY(0);
    opacity: 1;
}

.menu-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.menu-tagline {
    font-size: var(--fs-md);
    color: var(--color-gray);
    font-style: italic;
}

.menu-socials {
    display: flex;
    gap: var(--space-sm);
}

.social-icon {
    font-size: var(--fs-lg);
    color: var(--color-light);
    opacity: 0.7;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.social-icon:hover {
    opacity: 1;
    transform: translateY(-3px);
}

/* ===== 英雄区域 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg .gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-dark) 100%);
    opacity: 0.8;
}

.hero-bg .shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
}

.shape-1 {
    top: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background-color: var(--color-primary);
    opacity: 0.15;
    animation: floatAnimation 20s infinite alternate ease-in-out;
}

.shape-2 {
    bottom: 10%;
    right: 10%;
    width: 200px;
    height: 200px;
    background-color: var(--color-secondary);
    opacity: 0.15;
    animation: floatAnimation 15s infinite alternate-reverse ease-in-out;
}

.shape-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background-color: var(--color-tertiary);
    opacity: 0.05;
    animation: pulseAnimation 15s infinite ease-in-out;
}

@keyframes floatAnimation {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(40px, 40px);
    }
}

@keyframes pulseAnimation {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.05;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.05;
    }
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 1;
    opacity: 0;
    animation: fadeIn 1s ease forwards 1s;
}

.hero-title {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-md);
    line-height: 1;
}

.hero-title-small {
    font-size: var(--fs-lg);
    font-weight: 300;
    color: var(--color-gray);
    margin-bottom: var(--space-xs);
}

.hero-title-large {
    font-size: var(--fs-4xl);
    font-weight: 700;
    background-image: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.hero-title-strike {
    font-size: var(--fs-2xl);
    color: var(--color-gray-light);
    text-decoration: line-through;
    opacity: 0.5;
    position: relative;
}

.hero-tagline {
    font-size: var(--fs-xl);
    color: var(--color-light);
    font-weight: 300;
    margin-bottom: var(--space-md);
}

.hero-desc {
    font-size: var(--fs-md);
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.hero-desc em {
    font-style: normal;
    color: var(--color-secondary);
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xs);
    opacity: 0;
    animation: fadeIn 1s ease forwards 2s;
}

.scroll-text {
    font-size: var(--fs-xs);
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-icon {
    width: 20px;
    height: 35px;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--color-gray);
    border-radius: 50%;
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* ===== 概念部分 ===== */
.concept {
    padding: var(--space-2xl) 0 var(--space-xl);
    background-color: var(--color-darker);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.concept-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.concept-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.balance-scale {
    position: relative;
    width: 100%;
    height: 300px;
    display: flex;
    align-items: flex-start;
}

.scale-left, .scale-right {
    width: 45%;
    position: relative;
    transition: transform 1s ease;
}

.scale-left {
    transform: translateY(50px);
}

.scale-right {
    transform: translateY(-50px);
}

.scale-center {
    width: 10%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 100%;
}

.scale-pivot {
    width: 2px;
    height: 300px;
    background-color: var(--color-gray);
    position: relative;
}

.scale-pivot::before, .scale-pivot::after {
    content: '';
    position: absolute;
    width: 150px;
    height: 2px;
    background-color: var(--color-gray);
    top: 100px;
}

.scale-pivot::before {
    right: 0;
    transform-origin: right;
    transform: rotate(8deg);
}

.scale-pivot::after {
    left: 0;
    transform-origin: left;
    transform: rotate(-8deg);
}

.todo-list, .being-list {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    height: 100%;
}

.todo-list {
    background-color: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.being-list {
    background-color: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.todo-item, .being-item {
    padding: var(--space-xs);
    margin-bottom: var(--space-xs);
    border-radius: var(--radius-sm);
    position: relative;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.todo-item {
    background-color: rgba(255, 107, 107, 0.05);
    color: var(--color-light);
    border-left: 3px solid var(--color-secondary);
    font-size: var(--fs-sm);
}

.todo-item:hover {
    transform: translateX(5px);
    opacity: 0.7;
}

.being-item {
    background-color: rgba(99, 102, 241, 0.05);
    color: var(--color-light);
    border-left: 3px solid var(--color-primary);
    font-size: var(--fs-md);
    font-weight: 500;
    text-align: center;
}

.being-item:hover {
    transform: translateY(-5px);
    opacity: 0.7;
}

.concept-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.info-item {
    position: relative;
    padding-left: var(--space-lg);
}

.info-item::before {
    content: attr(data-number);
    position: absolute;
    left: 0;
    top: 0;
    font-size: var(--fs-2xl);
    font-weight: 700;
    opacity: 0.2;
    color: var(--color-primary);
}

.info-title {
    font-size: var(--fs-lg);
    color: var(--color-light);
    margin-bottom: var(--space-xs);
}

.info-desc {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ===== 格言轮播部分 ===== */
.mantra {
    position: relative;
    height: 40vh;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-xl) 0;
    margin-top: var(--space-xl);
    margin-bottom: 0;
    background-color: var(--color-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.mantra::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.03) 0%, rgba(15, 23, 42, 0) 70%);
    pointer-events: none;
}

.mantra-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.mantra-bg .gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-darker) 100%);
}

.mantra::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-image: var(--gradient-primary);
    opacity: 0.2;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.mantra-carousel {
    width: 100%;
    position: relative;
    overflow: visible;
}

.mantra-track {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mantra-slide {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    transform: translateY(-50%);
}

.mantra-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

/* 新增格言幻灯片过渡动画 */
.mantra-slide.fade-out {
    opacity: 0;
    transform: translateY(-50%) scale(0.95);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.mantra-slide.fade-in-slide {
    animation: fadeInSlide 1s ease forwards;
}

@keyframes fadeInSlide {
    0% {
        opacity: 0;
        transform: translateY(-50%) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
}

.mantra-text {
    font-size: calc(var(--fs-2xl) + 1vw);
    font-weight: 300;
    color: var(--color-light);
    text-align: center;
    max-width: 800px;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    line-height: 1.3;
    text-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
    letter-spacing: 0.5px;
}

.mantra-slide.active .mantra-text {
    opacity: 1;
    transform: translateY(0);
}

.mantra-text::before, .mantra-text::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-image: var(--gradient-primary);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.mantra-text::before {
    top: -30px;
    left: 50%;
    transform: translateX(-100%) translateX(-20px);
    width: 60px;
}

.mantra-text::after {
    bottom: -30px;
    left: 50%;
    transform: translateX(20px);
    width: 100px;
}

/* ===== 创造者部分 ===== */
.creator {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    background-color: var(--color-dark);
    overflow: hidden;
    position: relative;
    margin-top: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.creator-content {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.creator-quote {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-lg) 0;
}

.quote-text {
    font-size: var(--fs-3xl);
    font-weight: 300;
    color: var(--color-light);
    line-height: 1.3;
    font-family: var(--font-display);
    position: relative;
    z-index: 1;
}

.quote-text::before {
    content: '"';
    position: absolute;
    top: -50px;
    left: -40px;
    font-size: 150px;
    color: var(--color-primary);
    opacity: 0.1;
    z-index: -1;
}

.quote-author {
    display: block;
    margin-top: var(--space-md);
    font-size: var(--fs-md);
    color: var(--color-gray);
}

.creator-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.creator-image {
    position: relative;
    overflow: hidden;
    width: 300px;
    height: 400px;
    border-radius: var(--radius-md);
}

.creator-shape {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--gradient-primary);
    opacity: 0.5;
    transform: scale(0.9);
    border-radius: var(--radius-md);
    z-index: 1;
    animation: rotateSlow 20s infinite linear;
}

@keyframes rotateSlow {
    0% {
        transform: scale(0.9) rotate(0deg);
    }
    100% {
        transform: scale(0.9) rotate(360deg);
    }
}

.creator-portrait {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background-color: var(--color-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.creator-portrait i {
    font-size: 100px;
    color: var(--color-light);
    opacity: 0.9;
}

.creator-bio {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.creator-name {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-light);
    margin-bottom: var(--space-2xs);
}

.creator-title {
    font-size: var(--fs-md);
    color: var(--color-secondary);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.creator-story {
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-size: var(--fs-base);
    position: relative;
    padding-left: var(--space-xs);
    border-left: 2px solid var(--color-primary);
}

/* ===== 体验部分 ===== */
.experience {
    padding: var(--space-2xl) 0;
    background-color: var(--color-darker);
    position: relative;
    overflow: hidden;
}

.experience-demo {
    margin-top: var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

/* 手机模型 */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background-color: #000;
    border-radius: 36px;
    margin: 0 auto;
    padding: 10px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.phone-screen {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: var(--color-darker);
    border-radius: 30px;
    overflow: hidden;
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 28px;
    background-color: #000;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    z-index: 10;
}

.phone-button {
    position: absolute;
    right: -2px;
    top: 120px;
    width: 4px;
    height: 40px;
    background-color: #333;
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
}

/* 应用界面 */
.app-interface {
    width: 100%;
    height: 100%;
    padding: 45px 20px 20px;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.app-logo {
    font-weight: 700;
    font-size: var(--fs-md);
    color: var(--color-light);
}

.app-date {
    font-size: var(--fs-xs);
    color: var(--color-gray);
}

.app-content {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.app-section-title {
    font-size: var(--fs-sm);
    color: var(--color-gray);
    margin-bottom: var(--space-xs);
}

.stop-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stop-item {
    background-color: rgba(15, 23, 42, 0.6);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stop-item:hover {
    transform: translateX(5px);
    box-shadow: -5px 0 0 var(--color-primary);
}

.stop-label {
    display: flex;
    align-items: center;
}

.stop-text {
    font-size: var(--fs-xs);
    color: var(--color-light);
}

.saved-time {
    font-size: var(--fs-xs);
    color: var(--color-tertiary);
    font-weight: 500;
}

.stop-item.new-item {
    border: 2px dashed rgba(255, 255, 255, 0.1);
    justify-content: center;
    opacity: 0.7;
}

.stop-item.new-item .stop-text {
    color: var(--color-gray);
}

.time-saved {
    background-color: rgba(20, 184, 166, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-sm);
}

.saved-title {
    font-size: var(--fs-sm);
    color: var(--color-tertiary);
    margin-bottom: var(--space-sm);
}

.saved-stats {
    display: flex;
    gap: var(--space-md);
}

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

.stat-number {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--color-light);
}

.stat-label {
    font-size: var(--fs-xs);
    color: var(--color-gray);
}

.app-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-around;
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.app-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.app-tab.active {
    opacity: 1;
}

.app-tab i {
    font-size: var(--fs-md);
    margin-bottom: 5px;
    color: var(--color-light);
}

.app-tab span {
    font-size: var(--fs-xs);
    color: var(--color-gray);
}

/* 功能轮播 */
.feature-carousel {
    width: 100%;
    position: relative;
}

.feature-track {
    display: flex;
    overflow: hidden;
    position: relative;
    flex-wrap: nowrap;
}

.feature-item {
    flex: 0 0 100%;
    min-width: 100%;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    visibility: hidden;
}

.feature-item.active {
    opacity: 1;
    transform: translateY(0);
    position: relative;
    visibility: visible;
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-image: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: var(--fs-xl);
    color: var(--color-light);
}

.feature-title {
    font-size: var(--fs-lg);
    color: var(--color-light);
    margin-bottom: var(--space-sm);
}

.feature-desc {
    color: var(--color-gray);
    max-width: 400px;
    line-height: 1.7;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--space-md);
    gap: var(--space-md);
}

.carousel-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-light);
    transition: background-color 0.3s ease;
}

.carousel-arrow:hover {
    background-color: var(--color-primary);
}

.carousel-dots {
    display: flex;
    gap: var(--space-xs);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-gray-dark);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.dot.active {
    background-color: var(--color-primary);
    transform: scale(1.3);
}

/* ===== 评价部分 ===== */
.voices {
    padding: var(--space-2xl) 0;
    background-color: var(--color-dark);
    overflow: hidden;
}

.voices-content {
    margin-top: var(--space-md);
    position: relative;
}

.voices-track {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.voice-item {
    padding: var(--space-lg);
    background-color: var(--color-darker);
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.voice-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
}

.voice-item::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 120px;
    color: var(--color-primary);
    opacity: 0.1;
    z-index: -1;
    font-family: var(--font-display);
    line-height: 0.7;
}

.voice-quote {
    font-size: var(--fs-md);
    color: var(--color-light);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.voice-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-gray-dark);
    position: relative;
    overflow: hidden;
}

.author-image::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--color-gray);
    border-radius: 50%;
}

.author-image::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--color-gray);
    border-radius: 50%;
}

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

.author-name {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--color-light);
}

.author-title {
    font-size: var(--fs-xs);
    color: var(--color-gray);
}

/* ===== 下载部分 ===== */
.download {
    position: relative;
    padding: var(--space-2xl) 0;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.download-bg .gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-darker) 100%);
}

.download-bg .shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape-4 {
    top: -10%;
    right: -5%;
    width: 400px;
    height: 400px;
    background-color: var(--color-secondary);
    opacity: 0.1;
    animation: floatAnimation 25s infinite alternate ease-in-out;
}

.shape-5 {
    bottom: -15%;
    left: -5%;
    width: 500px;
    height: 500px;
    background-color: var(--color-primary);
    opacity: 0.08;
    animation: floatAnimation 20s infinite alternate-reverse ease-in-out;
}

.download-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: var(--fs-3xl);
    color: var(--color-light);
    margin-bottom: var(--space-md);
}

.download-desc {
    font-size: var(--fs-md);
    color: var(--color-gray);
    margin-bottom: var(--space-xl);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.store-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.store-button:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
}

.store-button i {
    font-size: var(--fs-xl);
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.store-small {
    font-size: var(--fs-xs);
    color: var(--color-gray);
}

.store-name {
    font-size: var(--fs-md);
    font-weight: 500;
}

.download-note {
    font-size: var(--fs-sm);
    color: var(--color-gray);
}

.text-link {
    color: var(--color-primary);
    position: relative;
    transition: color 0.3s ease;
}

.text-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.text-link:hover {
    color: var(--color-secondary);
}

.text-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
    background-color: var(--color-secondary);
}

/* ===== 页脚 ===== */
.footer {
    background-color: var(--color-darker);
    padding: var(--space-xl) 0 var(--space-md);
    position: relative;
    overflow: hidden;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-logo {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--color-light);
    font-family: var(--font-display);
}

.footer-tagline {
    font-size: var(--fs-sm);
    color: var(--color-gray);
    font-style: italic;
}

.footer-heading {
    font-size: var(--fs-md);
    color: var(--color-light);
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-nav a {
    color: var(--color-gray);
    transition: color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.footer-nav a:hover {
    color: var(--color-light);
    transform: translateX(5px);
}

.footer-email {
    display: inline-block;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
    transition: color 0.3s ease;
}

.footer-email:hover {
    color: var(--color-primary);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-light);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.social-link:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.copyright {
    font-size: var(--fs-xs);
    color: var(--color-gray);
}

.credit {
    font-size: var(--fs-xs);
    color: var(--color-gray);
}

.heart {
    color: var(--color-secondary);
    display: inline-block;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* ===== 模态弹窗 ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    background-color: var(--color-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    transform: translateY(30px);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
}

.modal.active .modal-container {
    transform: translateY(0);
    opacity: 1;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title {
    font-size: var(--fs-lg);
    color: var(--color-light);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--fs-xl);
    color: var(--color-gray);
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--color-light);
}

.modal-content {
    padding: var(--space-lg);
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

.policy-content {
    color: var(--color-gray);
    font-size: var(--fs-sm);
    line-height: 1.7;
}

.policy-content h4 {
    color: var(--color-light);
    margin-top: var(--space-md);
    margin-bottom: var(--space-xs);
}

.policy-content p, .policy-content ul {
    margin-bottom: var(--space-sm);
}

.policy-content ul {
    padding-left: var(--space-md);
}

.policy-content li {
    margin-bottom: var(--space-2xs);
    position: relative;
}

.policy-content li::before {
    content: '•';
    position: absolute;
    left: -15px;
    color: var(--color-primary);
}

.policy-date {
    font-style: italic;
    color: var(--color-gray-dark);
    margin-top: var(--space-lg);
}

/* ===== 媒体查询 ===== */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .creator-card {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .creator-image {
        margin: 0 auto;
    }
}

@media (max-width: 992px) {
    .concept-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .experience-demo {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .phone-mockup {
        margin-bottom: var(--space-lg);
    }
    
    .voices-track {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: clamp(3rem, 2.5rem + 2vw, 4rem);
        --space-2xl: clamp(4rem, 3rem + 3vw, 6rem);
    }
    
    .hero-title-large {
        font-size: var(--fs-3xl);
    }
    
    .hero-tagline {
        font-size: var(--fs-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-header {
        margin-bottom: var(--space-md);
    }
    
    .quote-text {
        font-size: var(--fs-xl);
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .store-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .mantra {
        height: 35vh;
        min-height: 250px;
        padding: var(--space-lg) 0;
    }

    .mantra-text {
        font-size: var(--fs-xl);
        line-height: 1.4;
        padding: 0 var(--space-sm);
    }

    .mantra-text::before {
        width: 40px;
        top: -20px;
    }

    .mantra-text::after {
        width: 60px;
        bottom: -20px;
    }
}

@media (max-width: 576px) {
    .hero-title-large {
        font-size: var(--fs-2xl);
    }
    
    .mantra-text {
        font-size: var(--fs-lg);
    }
    
    .quote-text {
        font-size: var(--fs-lg);
    }
    
    .download-title {
        font-size: var(--fs-2xl);
    }

    .mantra {
        height: 30vh;
        min-height: 200px;
    }

    .mantra-text::before, .mantra-text::after {
        display: none;
    }
}

/* ===== 动画类 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in-delay-1 {
    animation-delay: 0.2s;
}

.fade-in-delay-2 {
    animation-delay: 0.4s;
}

.fade-in-delay-3 {
    animation-delay: 0.6s;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: revealLeft 0.8s ease forwards;
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    animation: revealRight 0.8s ease forwards;
}

@keyframes revealLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes revealRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== 添加微交互效果 ===== */
.btn:active {
    transform: scale(0.98);
}

/* 改进光标交互 */
.cursor-follow.hover-link {
    width: 70px;
    height: 70px;
    background-color: rgba(99, 102, 241, 0.1);
    backdrop-filter: blur(4px);
}

.cursor-follow.hover-btn {
    width: 80px;
    height: 80px;
    background-color: rgba(236, 72, 153, 0.1);
    backdrop-filter: blur(4px);
}

/* 添加页面滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-image: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s ease-out;
}