/* 颜色配置 - CSS变量 */
:root {
    /* 主题色 */
    --color-primary: #FF7AA4;
    --color-primary-hover: #FF5F94;
    --color-primary-active: #E95686;
    
    /* 背景色 */
    --color-bg-primary: #FFF5F8;
    --color-bg-secondary: #FAFAFA;
    --color-bg-tertiary: #F7F8FA;
    --color-bg-white: #FFFFFF;
    
    /* 按钮 */
    --color-btn-primary: #FF7AA4;
    --color-btn-primary-hover: #FF5F94;
    --color-btn-primary-active: #E95686;
    --color-btn-secondary-text: #FF7AA4;
    --color-btn-secondary-border: #FF7AA4;
    --color-btn-secondary-hover-bg: #FFF0F5;
    --color-btn-gray: #F2F3F5;
    --color-btn-gray-hover: #E6E8EB;
    
    /* 文字 */
    --color-text-primary: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-placeholder: #9CA3AF;
    
    /* 边框/分割线 */
    --color-border-light: #F0F0F0;
    --color-border-medium: #E5E7EB;
    
    /* 主题色 rgba 变体（用于边框、阴影等） */
    --color-primary-rgba-01: rgba(255, 122, 164, 0.1);
    --color-primary-rgba-02: rgba(255, 122, 164, 0.2);
    --color-primary-rgba-03: rgba(255, 122, 164, 0.3);
    --color-primary-rgba-05: rgba(255, 122, 164, 0.5);
    --color-primary-rgba-05-opacity: rgba(255, 122, 164, 0.05);
    --color-primary-rgba-08: rgba(255, 122, 164, 0.08);
    
    /* 主题色渐变 rgba 变体 */
    --color-primary-light-rgba-08: rgba(255, 179, 199, 0.08);
    --color-primary-light-rgba-80: rgba(255, 179, 199, 0.8);
    
    /* 白色 rgba 变体 */
    --color-white-rgba-03: rgba(255, 255, 255, 0.3);
    --color-white-rgba-04: rgba(255, 255, 255, 0.4);
    --color-white-rgba-05: rgba(255, 255, 255, 0.5);
    --color-white-rgba-08: rgba(255, 255, 255, 0.8);
    --color-white-rgba-085: rgba(255, 255, 255, 0.85);
    --color-white-rgba-09: rgba(255, 255, 255, 0.9);
    --color-white-rgba-095: rgba(255, 255, 255, 0.95);
    --color-white-rgba-100: rgba(255, 255, 255, 1);
    
    /* 黑色 rgba 变体 */
    --color-black-rgba-01: rgba(0, 0, 0, 0.1);
    --color-black-rgba-015: rgba(0, 0, 0, 0.15);
    --color-black-rgba-05: rgba(0, 0, 0, 0.05);
    --color-black-rgba-06: rgba(0, 0, 0, 0.06);
    --color-black-rgba-08: rgba(0, 0, 0, 0.08);
    --color-black-rgba-12: rgba(0, 0, 0, 0.12);
    
    /* 状态色 */
    --color-success: #34C759;
    --color-warning: #FFB020;
    --color-error: #FF4D4F;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #FF7AA4, #FFB3C7);
    --gradient-bg: linear-gradient(180deg, #FFF5F8, #FFFFFF);
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gradient-bg);
    min-height: 100vh;
    color: var(--color-text-primary);
    position: relative;
    overflow-x: hidden;
}

/* 添加可爱的背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 122, 164, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 179, 199, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 122, 164, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

/* 导航栏 */
.navbar {
    background: var(--gradient-primary);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--color-primary-rgba-03);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 2px solid var(--color-primary-rgba-03);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-text {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 50%;
    filter: drop-shadow(0 2px 4px var(--color-primary-rgba-05));
}

/* 新年徽章 */
.new-year-badge {
    font-size: 0.7rem;
    background: var(--color-white-rgba-03);
    color: white !important;
    -webkit-text-fill-color: white !important;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    margin-left: 0.5rem;
    animation: pulse-glow 2s ease-in-out infinite;
    display: inline-block;
    vertical-align: middle;
    border: 1px solid var(--color-white-rgba-05);
}

@keyframes pulse-glow {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 10px var(--color-white-rgba-05);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 20px var(--color-white-rgba-08);
    }
}

/* 新年装饰元素 */
.new-year-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.new-year-emoji {
    position: absolute;
    font-size: 2rem;
    opacity: 0.6;
    animation: float-emoji 6s ease-in-out infinite;
}

.emoji-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.emoji-2 {
    top: 20%;
    right: 15%;
    animation-delay: 1s;
}

.emoji-3 {
    top: 50%;
    left: 5%;
    animation-delay: 2s;
}

.emoji-4 {
    top: 60%;
    right: 10%;
    animation-delay: 3s;
}

.emoji-5 {
    bottom: 20%;
    left: 15%;
    animation-delay: 4s;
}

.emoji-6 {
    bottom: 10%;
    right: 20%;
    animation-delay: 5s;
}

@keyframes float-emoji {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
        opacity: 0.6;
    }
    25% { 
        transform: translateY(-30px) rotate(10deg);
        opacity: 0.8;
    }
    50% { 
        transform: translateY(-60px) rotate(-10deg);
        opacity: 0.7;
    }
    75% { 
        transform: translateY(-30px) rotate(5deg);
        opacity: 0.8;
    }
}

/* 新年横幅 */
.new-year-banner {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem 2.5rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    display: inline-block;
    box-shadow: 0 4px 15px var(--color-primary-rgba-05);
    animation: banner-shimmer 3s ease-in-out infinite;
    position: relative;
    overflow: hidden;
    max-width: 100%;
    transition: all 0.3s ease;
}

.countdown-container {
    text-align: center;
}

.countdown-label {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 1px;
    animation: pulse-text 2s ease-in-out infinite;
}

@keyframes pulse-text {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.05);
        opacity: 0.9;
    }
}

.countdown-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    color: white;
    text-shadow: 0 2px 10px var(--color-white-rgba-05);
    animation: number-pulse 1s ease-in-out infinite;
    font-variant-numeric: tabular-nums;
    transition: all 0.3s ease;
    display: inline-block;
    min-width: 50px;
    text-align: center;
}

@keyframes number-pulse {
    0%, 100% { 
        transform: scale(1);
    }
    50% { 
        transform: scale(1.1);
    }
}

.countdown-label-small {
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 0.3rem;
    opacity: 0.9;
    letter-spacing: 0.5px;
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    animation: blink 1s ease-in-out infinite;
    margin: 0 0.2rem;
}

@keyframes blink {
    0%, 50% { 
        opacity: 1;
    }
    51%, 100% { 
        opacity: 0.3;
    }
}

/* 紧张感动画 - 当时间少于1小时时 */
.countdown-urgent .countdown-number {
    animation: urgent-pulse 0.5s ease-in-out infinite;
    color: #ffeb3b;
    text-shadow: 0 0 20px rgba(255, 235, 59, 0.8), 0 0 40px rgba(255, 235, 59, 0.4);
}

.countdown-urgent .countdown-label {
    animation: urgent-label-pulse 0.8s ease-in-out infinite;
    color: #ffeb3b;
    text-shadow: 0 0 15px rgba(255, 235, 59, 0.6);
}

@keyframes urgent-pulse {
    0%, 100% { 
        transform: scale(1);
    }
    50% { 
        transform: scale(1.15);
    }
}

.countdown-urgent .new-year-banner {
    animation: urgent-shake 0.3s ease-in-out infinite;
    box-shadow: 0 4px 25px rgba(255, 235, 59, 0.8);
}

@keyframes urgent-shake {
    0%, 100% { 
        transform: translateX(0);
    }
    25% { 
        transform: translateX(-2px);
    }
    75% { 
        transform: translateX(2px);
    }
}

@keyframes urgent-label-pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.9;
    }
}

.new-year-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-white-rgba-03), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes banner-shimmer {
    0%, 100% { 
        box-shadow: 0 4px 15px var(--color-primary-rgba-05);
    }
    50% { 
        box-shadow: 0 4px 25px var(--color-primary-light-rgba-80);
    }
}

.new-year-text {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

/* 新年高亮文字 */
.new-year-highlight {
    color: var(--color-primary);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary-rgba-01) 0%, rgba(255, 215, 0, 0.1) 100%);
    padding: 0.2rem 0.5rem;
    border-radius: 8px;
    display: inline-block;
    animation: highlight-pulse 2s ease-in-out infinite;
}

@keyframes highlight-pulse {
    0%, 100% { 
        transform: scale(1);
    }
    50% { 
        transform: scale(1.02);
    }
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

/* 移动端汉堡菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-bg-white);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 600;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-white-rgba-08);
    transition: width 0.3s;
}

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

.nav-link:hover {
    color: var(--color-white-rgba-09);
    transform: translateY(-2px);
}

/* 导航下拉菜单 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    padding: 0.5rem 0;
}

.nav-dropdown .nav-link::after {
    display: none;
}

.dropdown-arrow {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    display: inline-block;
    margin-left: 4px;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.tools-dropdown {
    position: absolute !important;
    top: calc(100% + 0px) !important;
    left: 50% !important;
    transform: translateX(-50%) translateY(-5px) !important;
    right: auto !important;
    background: var(--color-bg-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--color-black-rgba-015);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 10000;
    overflow: visible;
    pointer-events: none;
    padding: 8px 0;
}

/* 创建一个不可见的悬停区域来连接触发器和菜单 */
.tools-dropdown::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
    z-index: -1;
}

/* 桌面端：悬停显示 */
@media (hover: hover) and (pointer: fine) {
    .nav-dropdown:hover .tools-dropdown,
    .nav-dropdown:hover .tools-dropdown:hover,
    .tools-dropdown:hover {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateX(-50%) translateY(0) !important;
        pointer-events: auto !important;
    }
}

.tools-dropdown::after {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid white;
    filter: drop-shadow(0 -2px 2px var(--color-black-rgba-01));
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-dropdown {
    position: relative;
}

.user-avatar-container {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 2px 10px var(--color-primary-rgba-03);
    transition: all 0.3s;
    border: 2px solid var(--color-white-rgba-08);
}

.user-avatar-container:hover .user-avatar {
    transform: scale(1.1);
    box-shadow: 0 4px 15px var(--color-primary-rgba-05);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--color-bg-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--color-black-rgba-015);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
    pointer-events: none;
}

/* 悬停显示下拉菜单（桌面端） */
@media (hover: hover) and (pointer: fine) {
    .user-dropdown:hover .dropdown-menu,
    .user-dropdown:hover .dropdown-menu:hover {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }
}

/* 移动端：点击显示 */
.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* 创建一个不可见的悬停区域来连接触发器和菜单 */
.user-dropdown::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    height: calc(100% + 20px);
    background: transparent;
    z-index: -1;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.95rem;
}

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

.dropdown-item:first-child {
    border-radius: 12px 12px 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 12px 12px;
}

.dropdown-icon {
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border-medium);
    margin: 0.25rem 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .dropdown-menu {
        right: -10px;
        min-width: 160px;
    }
    
    .user-info {
        gap: 0.5rem;
    }
    
    .username {
        display: none;
    }
}

.balance {
    background: var(--color-white-rgba-095);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 2px 10px var(--color-white-rgba-03);
    border: 1px solid var(--color-white-rgba-05);
}

.username {
    color: white;
    font-weight: 600;
}

.btn-login, .btn-logout {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 10px var(--color-black-rgba-01);
}

.btn-login {
    background: var(--color-white-rgba-095);
    color: var(--color-primary);
    border: 2px solid var(--color-white-rgba-05);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--color-white-rgba-05);
    background: var(--color-white-rgba-100);
}

.btn-login.user-name-btn {
    background: var(--color-white-rgba-09);
    color: var(--color-primary);
    border: 2px solid var(--color-primary-rgba-03);
    cursor: pointer;
}

.btn-login.user-name-btn:hover {
    background: var(--color-white-rgba-100);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.3);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--color-bg-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--color-black-rgba-015);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

.user-menu-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-logout {
    background: var(--color-bg-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

/* 主要内容 */
.main-content {
    padding-top: 2rem;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .main-content {
        padding-top: 1rem;
    }
}

/* 首页区域 */
.hero-section {
    text-align: center;
    padding: 6rem 2rem;
    color: var(--color-text-primary);
    position: relative;
    background: var(--color-white-rgba-04);
    background-image: url('images/ai_generated.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    border-radius: 30px;
    max-width: 1200px;
    box-shadow: 0 8px 32px var(--color-primary-rgba-01);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 0;
    border-radius: 30px;
}

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

@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 1rem;
    }
}

.hero-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    color: var(--color-text-primary);
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Hero Badge */
.hero-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Hero Pricing */
.hero-pricing {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.pricing-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.pricing-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.pricing-unit {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 600;
}

/* Hero Features */
.hero-features {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--color-primary-rgba-08);
    color: var(--color-primary-active);
    padding: 0.5rem 1.25rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1.5px solid var(--color-primary-rgba-02);
    transition: all 0.3s;
}

.feature-tag:hover {
    background: var(--color-primary-rgba-01);
    border-color: var(--color-primary-rgba-05);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--color-primary-rgba-02);
}

/* Hero CTA */
.hero-cta {
    font-size: 1.3rem;
    color: var(--color-text-primary);
    font-weight: 600;
    margin: 2rem 0 1.5rem;
}

/* 核心能力展示 */
.capabilities-section {
    padding: 4rem 2rem;
    background: var(--color-white-rgba-085);
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    border-radius: 30px;
    max-width: 1200px;
    box-shadow: 0 10px 40px var(--color-black-rgba-08);
    border: 1px solid var(--color-black-rgba-05);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.capability-card {
    background: var(--color-bg-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-black-rgba-06);
}

.capability-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary-rgba-03);
}

.capability-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

.capability-card h3 {
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.capability-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 价格优势 */
.pricing-advantage-section {
    padding: 4rem 2rem;
    background: var(--color-white-rgba-085);
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    border-radius: 30px;
    max-width: 1200px;
    text-align: center;
    box-shadow: 0 10px 40px var(--color-black-rgba-08);
    border: 1px solid var(--color-black-rgba-05);
}

.advantage-badge {
    display: inline-block;
    margin-left: 1rem;
    font-size: 1.2rem;
    vertical-align: middle;
}

.advantage-list {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    color: var(--color-text-primary);
    font-weight: 600;
}

.advantage-icon {
    font-size: 1.5rem;
}

.advantage-target {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-top: 1.5rem;
}

.advantage-target strong {
    color: var(--color-primary-active);
    font-weight: 700;
}

/* 应用场景 */
.use-cases-section {
    padding: 4rem 2rem;
    background: var(--color-white-rgba-085);
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    border-radius: 30px;
    max-width: 1200px;
    box-shadow: 0 10px 40px var(--color-black-rgba-08);
    border: 1px solid var(--color-black-rgba-05);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.use-case-item {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-white);
    padding: 1.5rem;
    border-radius: 15px;
    transition: all 0.3s;
    box-shadow: 0 2px 10px var(--color-black-rgba-06);
    border: 1px solid var(--color-black-rgba-06);
    text-align: center;
}

.use-case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--color-black-rgba-12);
    border-color: var(--color-primary-rgba-03);
}

.use-case-item span {
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-btn-primary);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--color-white-rgba-03);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 95, 148, 0.4);
    background: var(--color-btn-primary-hover);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

/* 介绍区域 */
.intro-section {
    padding: 4rem 2rem;
    background: var(--color-white-rgba-085);
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    border-radius: 30px;
    max-width: 1200px;
    box-shadow: 0 10px 40px var(--color-black-rgba-08);
    border: 1px solid var(--color-black-rgba-05);
}

.intro-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.intro-card {
    background: var(--color-bg-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-black-rgba-06);
}

.intro-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary-rgba-03);
}

.intro-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.intro-card h3 {
    color: var(--color-text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.intro-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* 生成区域 */
.generate-section {
    background: var(--color-white-rgba-09);
    margin: 2rem auto;
    padding: 3rem 2rem;
    border-radius: 30px;
    box-shadow: 0 10px 40px rgba(255, 122, 164, 0.3);
    max-width: 1200px;
    border: 2px solid var(--color-primary-rgba-03);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--color-text-primary);
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.generate-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 3px solid rgba(255, 122, 164, 0.3);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-placeholder);
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
    position: relative;
}

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

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.generate-form {
    max-width: 800px;
    margin: 0 auto;
}

.img2img-left .generate-form {
    max-width: 100%;
    margin: 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-primary-rgba-03);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s;
    background: var(--color-bg-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 122, 164, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.image-preview {
    margin-top: 1rem;
}

.image-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(255, 122, 164, 0.3);
    border: 2px solid var(--color-primary-rgba-03);
}

.btn-generate {
    width: 100%;
    margin-top: 1rem;
}

/* 图生图布局 */
.img2img-container {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.img2img-left {
    background: var(--color-white-rgba-08);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.2);
    width: 100%;
    box-sizing: border-box;
}

.img2img-right {
    background: var(--color-white-rgba-08);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.2);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
}

.img2img-result-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.img2img-loading {
    text-align: center;
    padding: 3rem;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 122, 164, 0.3);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

.loading-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.loading-detail {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.img2img-result {
    text-align: center;
}

.img2img-result h3 {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.result-image-container {
    margin-bottom: 1.5rem;
}

.result-image-container img {
    max-width: 100%;
    max-height: 500px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.4);
    border: 2px solid var(--color-primary-rgba-03);
}

.result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.result-actions .btn-primary {
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.img2img-placeholder {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-placeholder);
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.img2img-placeholder p {
    font-size: 1.1rem;
    margin: 0;
}

@media (max-width: 968px) {
    .img2img-container {
        grid-template-columns: 1fr;
    }
    
    .img2img-right {
        min-height: 400px;
    }
}

/* 任务状态 */
.task-status {
    background: var(--gradient-primary);
    padding: 2rem;
    border-radius: 20px;
    margin-top: 2rem;
    text-align: center;
    border: 2px solid var(--color-primary-rgba-03);
}

.status-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.status-icon {
    font-size: 2rem;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.status-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
}

.status-detail {
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}

/* 结果展示 */
.result-display {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    border: 2px solid var(--color-primary-rgba-03);
}

.result-display h3 {
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.result-content img,
.result-content video {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.4);
    border: 2px solid var(--color-primary-rgba-03);
}

/* 作品展示 */
.gallery-section {
    background: var(--color-white-rgba-09);
    margin: 2rem auto;
    padding: 3rem 2rem;
    border-radius: 30px;
    box-shadow: 0 10px 40px rgba(255, 122, 164, 0.3);
    max-width: 1200px;
    border: 2px solid var(--color-primary-rgba-03);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(255, 122, 164, 0.3);
    transition: all 0.3s;
    border: 2px solid var(--color-primary-rgba-03);
}

.gallery-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 20px rgba(255, 122, 164, 0.5);
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.empty-message,
.loading-message {
    text-align: center;
    color: var(--color-primary);
    padding: 3rem;
    font-size: 1.1rem;
}

/* 套餐区域 */
.pricing-section {
    background: var(--color-white-rgba-09);
    margin: 2rem auto;
    padding: 3rem 2rem;
    border-radius: 30px;
    box-shadow: 0 10px 40px rgba(255, 122, 164, 0.3);
    max-width: 1200px;
    border: 2px solid var(--color-primary-rgba-03);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

@media (max-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

.pricing-card {
    background: var(--gradient-primary);
    padding: 2rem;
    border-radius: 20px;
    color: white;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.3);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 122, 164, 0.5);
    border-color: rgba(255, 255, 255, 0.5);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 1rem 0;
}

.pricing-card .credits {
    margin: 1rem 0;
    opacity: 0.9;
}

.pricing-card button {
    width: 100%;
    margin-top: 1rem;
    background: var(--color-bg-white);
    color: var(--color-primary);
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 122, 164, 0.5);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 20px;
    max-width: 400px;
    width: 90%;
    position: relative;
    animation: slideIn 0.3s;
    box-shadow: 0 10px 40px rgba(255, 122, 164, 0.4);
    border: 2px solid var(--color-primary-rgba-03);
}

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

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-primary);
    line-height: 1;
    transition: transform 0.3s;
}

.close:hover {
    transform: rotate(90deg);
    color: var(--color-primary-hover);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    text-align: center;
}

.btn-full {
    width: 100%;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-white);
    color: var(--color-text-primary);
    padding: 0.875rem 1.5rem;
    border: 1px solid var(--color-border-medium);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-top: 1rem;
}

.btn-google:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    background: var(--color-bg-secondary);
    transform: translateY(-2px);
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--color-text-secondary);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--color-border-light);
}

.divider span {
    padding: 0 1rem;
    font-size: 0.9rem;
}

.google-promo {
    text-align: center;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 600;
}

.form-switch {
    text-align: center;
    margin-top: 1rem;
    color: var(--color-text-secondary);
}

.form-switch a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.form-switch a:hover {
    text-decoration: underline;
}

/* 消息提示 */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--color-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(255, 122, 164, 0.4);
    display: none;
    z-index: 3000;
    animation: slideUp 0.3s;
    font-weight: 600;
}

.toast.show {
    display: block;
}

.toast.success {
    background: var(--gradient-primary);
}

.toast.error {
    background: var(--gradient-primary);
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏移动端优化 */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-container {
        position: relative;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, rgba(255, 122, 164, 0.98) 0%, rgba(255, 179, 199, 0.98) 100%);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        display: block;
        width: 100%;
    }

    .nav-link::after {
        display: none;
    }

    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown .nav-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .tools-dropdown {
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        margin-top: 0.5rem;
        padding: 0.5rem 0;
        box-shadow: none;
        min-width: auto;
        width: 100%;
        display: none;
        pointer-events: auto !important;
    }

    .tools-dropdown.active {
        display: block;
        pointer-events: auto !important;
    }

    .tools-dropdown::after {
        display: none;
    }

    .tools-dropdown .dropdown-item {
        padding: 0.75rem 1.5rem;
        color: white;
        display: block;
        text-decoration: none;
        pointer-events: auto !important;
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0.2);
    }

    .tools-dropdown .dropdown-item:hover,
    .tools-dropdown .dropdown-item:active {
        background: rgba(255, 255, 255, 0.2);
    }

    .nav-actions {
        margin-left: auto;
    }

    .user-info {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-end;
    }

    .balance {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .dropdown-menu {
        right: 0;
        min-width: 160px;
    }

    .hero-section {
        padding: 3rem 1rem;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .hero-icon {
        font-size: 3.5rem;
    }

    .btn-primary.btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    /* Hero 新内容移动端适配 */
    .hero-badge {
        font-size: 0.9rem;
        padding: 0.6rem 1.5rem;
        margin-bottom: 1rem;
    }

    .hero-pricing {
        gap: 2rem;
        margin: 1.5rem 0;
    }

    .pricing-value {
        font-size: 2rem;
    }

    .pricing-unit {
        font-size: 0.9rem;
    }

    .hero-features {
        gap: 0.75rem;
        margin: 1.5rem 0;
    }

    .feature-tag {
        font-size: 0.85rem;
        padding: 0.4rem 1rem;
    }

    .hero-cta {
        font-size: 1.1rem;
        margin: 1.5rem 0 1rem;
    }

    .capabilities-section,
    .pricing-advantage-section,
    .use-cases-section {
        padding: 2rem 1rem;
        margin: 1rem;
        border-radius: 20px;
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .capability-card {
        padding: 1.5rem;
    }

    .capability-icon {
        font-size: 2.5rem;
    }

    .advantage-list {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }

    .advantage-item {
        font-size: 1rem;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .use-case-item {
        padding: 1.25rem;
    }

    /* 新年元素移动端适配 */
    .new-year-badge {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
    }

    .new-year-banner {
        padding: 1rem 1rem;
        font-size: 0.85rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        border-radius: 30px;
    }

    .countdown-label {
        font-size: 0.75rem;
        margin-bottom: 0.8rem;
        padding: 0 0.5rem;
    }

    .countdown-number {
        font-size: 1.5rem;
        min-width: 40px;
    }

    .countdown-label-small {
        font-size: 0.55rem;
    }

    .countdown-separator {
        font-size: 1.2rem;
        margin: 0 0.1rem;
    }

    .countdown-item {
        min-width: 45px;
    }

    .countdown-display {
        gap: 0.2rem;
        flex-wrap: wrap;
    }

    .new-year-emoji {
        font-size: 1.2rem;
        opacity: 0.3;
    }

    .new-year-highlight {
        font-size: 0.85rem;
        padding: 0.15rem 0.4rem;
        display: block;
        margin-top: 0.5rem;
    }

    .intro-section {
        padding: 2rem 1rem;
        margin: 1rem;
        border-radius: 20px;
    }

    .intro-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .intro-card {
        padding: 1.5rem;
    }

    .intro-icon {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .generate-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        text-align: left;
        padding: 0.875rem 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-control {
        font-size: 16px; /* 防止iOS自动缩放 */
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }

    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
    }

    .btn-primary,
    .btn-login,
    .btn-logout {
        min-height: 44px; /* 触摸友好的最小高度 */
        padding: 0.75rem 1.5rem;
    }

    .friend-links {
        flex-direction: column;
        gap: 1rem;
    }

    .friend-link {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
    }

    .pricing-section,
    .gallery-section,
    .generate-section {
        padding: 2rem 1rem;
        margin: 1rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .footer-section {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }

    .footer-content {
        gap: 1.5rem;
    }
}

/* 小屏幕优化 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-icon {
        font-size: 3rem;
    }

    .countdown-number {
        font-size: 1.3rem;
        min-width: 35px;
    }

    .countdown-item {
        min-width: 40px;
    }

    .new-year-banner {
        padding: 0.875rem 0.75rem;
        font-size: 0.75rem;
    }

    .countdown-label {
        font-size: 0.7rem;
    }

    .nav-logo .logo-text {
        font-size: 1.2rem;
    }

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

/* Footer Section */
.footer-section {
    background: linear-gradient(135deg, rgba(255, 122, 164, 0.95) 0%, rgba(255, 179, 199, 0.95) 100%);
    backdrop-filter: blur(10px);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    border-top: 2px solid rgba(255, 122, 164, 0.3);
    position: relative;
    z-index: 1;
}


.footer-content {
    display: grid;
    background: linear-gradient(135deg, rgba(255, 122, 164, 0.95) 0%, rgba(255, 179, 199, 0.95) 100%);
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .footer-content {
        padding: 0 15px;
    }
}

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

@media (max-width: 768px) {
    .footer-container {
        padding: 0 15px;
    }
}

/* Footer Brand */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-bottom: 0.5rem;
}

.footer-logo {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 50%;
    filter: drop-shadow(0 2px 4px var(--color-primary-rgba-05));
}

.footer-brand-name {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.footer-tagline {
    color: var(--color-white-rgba-09);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Footer Columns */
.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-column-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links li {
    margin: 0;
}

.footer-link {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s;
    display: inline-block;
}

.footer-link:hover {
    color: white;
    transform: translateX(5px);
    text-shadow: 0 2px 4px rgba(255, 122, 164, 0.5);
}

/* Footer Bottom */
.footer-legal-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0.5rem 0;
    flex-wrap: wrap;
}

.footer-link-separator {
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0.25rem;
}

.footer-legal-links .footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal-links .footer-link:hover {
    color: #ff6b9d;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-copyright {
    color: var(--color-white-rgba-09);
    font-size: 0.9rem;
    margin: 0;
}

.footer-pwa-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    margin: 0.75rem 0 0 0;
    line-height: 1.5;
}

/* Responsive Footer */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-logo-link {
        justify-content: center;
    }

    .footer-links {
        align-items: center;
    }

    .footer-link:hover {
        transform: none;
    }
}

/* Legacy support for old friend-links-section class */
.friend-links-section {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 3rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 122, 164, 0.3);
    position: relative;
    z-index: 1;
}

.friend-links-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.friend-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.friend-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    transition: all 0.3s;
    border: 1px solid var(--color-primary-rgba-03);
    background-color: var(--color-bg-white);
}

.friend-link:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-rgba-01);
    border-color: var(--color-primary-rgba-05);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px var(--color-primary-rgba-03);
}