/* ============================
   悟饭掌悦 - 样式文件
   主色调：橙红游戏主题
   ============================ */

/* Reset & Base */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 橙红游戏风 */
    --color-primary: #FF5722;
    --color-primary-dark: #E64A19;
    --color-primary-light: #FF8A65;
    --color-accent: #FFC107;
    --color-accent-light: #FFD54F;
    
    /* 背景色 */
    --color-bg: #0E0E14;
    --color-bg-light: #16161F;
    --color-bg-card: #1E1E2E;
    --color-bg-elevated: #252538;
    
    /* 文字色 */
    --color-text: #F5F5F7;
    --color-text-secondary: #A0A0B0;
    --color-text-muted: #6B6B80;
    
    /* 边框/分割 */
    --color-border: rgba(255, 87, 34, 0.15);
    --color-border-light: rgba(255, 255, 255, 0.08);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #FF5722 0%, #FF7043 50%, #FFC107 100%);
    --gradient-primary-soft: linear-gradient(135deg, rgba(255, 87, 34, 0.15) 0%, rgba(255, 193, 7, 0.1) 100%);
    --gradient-bg: linear-gradient(180deg, #0E0E14 0%, #1A1025 50%, #0E0E14 100%);
    --gradient-card: linear-gradient(135deg, rgba(30, 30, 46, 0.9) 0%, rgba(37, 37, 56, 0.95) 100%);
    
    /* 阴影 */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(255, 87, 34, 0.25);
    --shadow-primary: 0 10px 40px rgba(255, 87, 34, 0.4);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    /* 过渡 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    background-image: var(--gradient-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

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

/* ============================
   通用模块样式
   ============================ */

.title-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-primary-light);
    margin-bottom: 16px;
    padding: 6px 16px;
    background: var(--gradient-primary-soft);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.25;
}

.section-desc {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--color-text-secondary);
    max-width: 620px;
    margin: 0 auto;
}

/* ============================
   按钮样式
   ============================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    border: 2px solid transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 50px rgba(255, 87, 34, 0.55);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-light);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    background: rgba(255, 87, 34, 0.08);
}

.btn-hero {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-download-large {
    padding: 22px 60px;
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 12px;
    animation: pulse-glow 2.5s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 10px 40px rgba(255, 87, 34, 0.4);
    }
    50% {
        box-shadow: 0 14px 60px rgba(255, 87, 34, 0.65), 0 0 40px rgba(255, 193, 7, 0.25);
    }
}

/* ============================
   顶部导航
   ============================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(14, 14, 20, 0.7);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(14, 14, 20, 0.92);
    border-bottom-color: var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 44px;
    width: auto;
    min-height: 44px;
    min-width: 44px;
    background: var(--gradient-primary-soft);
    border-radius: 12px;
    padding: 4px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.nav-download-btn {
    background: var(--gradient-primary);
    color: #FFFFFF !important;
    font-weight: 600;
    padding: 10px 24px;
    margin-left: 8px;
    box-shadow: 0 4px 16px rgba(255, 87, 34, 0.3);
}

.nav-download-btn:hover {
    background: var(--gradient-primary);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(255, 87, 34, 0.45);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

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

/* ============================
   Hero 首屏
   ============================ */

.hero-section {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-bg-animation::before,
.hero-bg-animation::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: float-blob 10s ease-in-out infinite;
}

.hero-bg-animation::before {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: -100px;
    left: -150px;
}

.hero-bg-animation::after {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    bottom: -100px;
    right: -100px;
    animation-delay: -5s;
}

@keyframes float-blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(40px, -30px) scale(1.08);
    }
    66% {
        transform: translate(-20px, 30px) scale(0.95);
    }
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: var(--gradient-primary-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--color-primary-light);
    font-weight: 500;
    margin-bottom: 28px;
}

.hero-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--gradient-primary);
    padding: 2px;
    object-fit: contain;
    flex-shrink: 0;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--color-text-secondary);
    margin-bottom: 36px;
    line-height: 1.75;
    max-width: 540px;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-bottom: 36px;
    padding: 18px 28px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    max-width: fit-content;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.meta-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary-light);
}

.meta-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border-light);
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border-light);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-num {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* 截图层叠效果 */
.hero-screenshots {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 520px;
}

.screenshots-stack {
    position: relative;
    width: 280px;
    height: 560px;
}

.screenshots-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 87, 34, 0.35) 0%, transparent 65%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(40px);
    pointer-events: none;
    animation: pulse-glow-soft 4s ease-in-out infinite;
}

@keyframes pulse-glow-soft {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.screenshot-card {
    position: absolute;
    width: 260px;
    height: 520px;
    border-radius: 36px;
    overflow: hidden;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    will-change: transform;
}

.screenshot-1 {
    left: 0;
    top: 0;
    transform: rotate(-8deg) translateX(-30px) translateY(10px);
    animation: float-1 6s ease-in-out infinite;
    z-index: 1;
}

.screenshot-2 {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 280px;
    height: 560px;
    box-shadow: var(--shadow-lg), 0 0 0 2px rgba(255, 87, 34, 0.25);
    animation: float-2 5s ease-in-out infinite;
    z-index: 3;
}

.screenshot-3 {
    right: 0;
    bottom: 0;
    transform: rotate(8deg) translateX(30px) translateY(-10px);
    animation: float-3 7s ease-in-out infinite;
    z-index: 2;
}

@keyframes float-1 {
    0%, 100% { transform: rotate(-8deg) translateX(-30px) translateY(10px); }
    50% { transform: rotate(-6deg) translateX(-25px) translateY(0); }
}

@keyframes float-2 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, calc(-50% - 15px)) scale(1.02); }
}

@keyframes float-3 {
    0%, 100% { transform: rotate(8deg) translateX(30px) translateY(-10px); }
    50% { transform: rotate(6deg) translateX(25px) translateY(0); }
}

.screenshot-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(180deg, #2A1A3E 0%, #1E1E2E 100%);
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(255, 87, 34, 0.08) 0%,
        transparent 30%,
        transparent 70%,
        rgba(0, 0, 0, 0.15) 100%
    );
    pointer-events: none;
}

.screenshots-stack:hover .screenshot-1 {
    transform: rotate(-12deg) translateX(-70px) translateY(-10px) scale(1.03);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.screenshots-stack:hover .screenshot-2 {
    transform: translate(-50%, -58%) scale(1.04);
    box-shadow: var(--shadow-lg), 0 0 0 3px rgba(255, 87, 34, 0.4);
}

.screenshots-stack:hover .screenshot-3 {
    transform: rotate(12deg) translateX(70px) translateY(-10px) scale(1.03);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* ============================
   功能特点
   ============================ */

.features-section {
    padding: 100px 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 30px rgba(255, 87, 34, 0.08);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: #FFFFFF;
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
}

.feature-icon-1 { background: linear-gradient(135deg, #FF5722, #E64A19); }
.feature-icon-2 { background: linear-gradient(135deg, #FFC107, #FF9800); }
.feature-icon-3 { background: linear-gradient(135deg, #7C4DFF, #651FFF); }
.feature-icon-4 { background: linear-gradient(135deg, #00E676, #00C853); }
.feature-icon-5 { background: linear-gradient(135deg, #00B0FF, #0091EA); }
.feature-icon-6 { background: linear-gradient(135deg, #E040FB, #D500F9); }

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================
   应用截图展示区
   ============================ */

.screenshots-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 87, 34, 0.03) 50%, transparent 100%);
}

.screenshots-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase-phone {
    display: flex;
    justify-content: center;
    position: relative;
}

.showcase-phone::before {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 87, 34, 0.3) 0%, transparent 65%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(50px);
    pointer-events: none;
}

.phone-frame {
    position: relative;
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #2A2A3E, #1A1A2A);
    border-radius: 48px;
    padding: 12px;
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.1),
        0 0 0 2px rgba(255, 87, 34, 0.2);
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 32px;
    background: #0E0E14;
    border-radius: 20px;
    z-index: 3;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 38px;
    overflow: hidden;
    position: relative;
}

.showcase-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(180deg, #2A1A3E 0%, #1E1E2E 100%);
    transition: opacity var(--transition-normal);
}

.showcase-thumbs {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.thumb-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.thumb-card:hover {
    border-color: var(--color-border);
    transform: translateX(8px);
    box-shadow: var(--shadow-sm);
}

.thumb-card.active {
    border-color: var(--color-primary);
    background: var(--gradient-primary-soft);
    box-shadow: 0 8px 32px rgba(255, 87, 34, 0.15);
}

.thumb-img {
    width: 72px;
    height: 96px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: linear-gradient(135deg, #3A2A4E, #2A1A3E);
    flex-shrink: 0;
}

.thumb-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
}

.thumb-card.active .thumb-label {
    color: var(--color-primary-light);
}

/* ============================
   用户评价
   ============================ */

.reviews-section {
    padding: 100px 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: all var(--transition-normal);
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.review-avatar {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #FFFFFF;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.review-info {
    flex: 1;
}

.review-name {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.review-stars {
    color: var(--color-accent);
    font-size: 1rem;
    letter-spacing: 2px;
}

.review-content {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.review-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================
   常见问题
   ============================ */

.faq-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 87, 34, 0.025) 50%, transparent 100%);
}

.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--gradient-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--color-border);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: 0 8px 32px rgba(255, 87, 34, 0.08);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 28px;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary-light);
}

.faq-icon {
    flex-shrink: 0;
    color: var(--color-primary);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 400px;
}

.faq-answer p {
    padding: 0 28px 24px;
    font-size: 0.98rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ============================
   下载区域
   ============================ */

.download-section {
    padding: 100px 0 120px;
    position: relative;
}

.download-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 72px 40px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.download-bg-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.download-bg-decoration::before,
.download-bg-decoration::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}

.download-bg-decoration::before {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 87, 34, 0.35) 0%, transparent 70%);
    top: -200px;
    left: -150px;
}

.download-bg-decoration::after {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(255, 193, 7, 0.25) 0%, transparent 70%);
    bottom: -200px;
    right: -100px;
}

.download-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.download-logo-wrap {
    margin-bottom: 32px;
    display: flex;
    justify-content: center;
}

.download-logo {
    width: 96px;
    height: 96px;
    border-radius: 28px;
    padding: 8px;
    background: var(--gradient-primary);
    box-shadow: 0 10px 40px rgba(255, 87, 34, 0.4);
    object-fit: contain;
}

.download-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.download-desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.info-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.info-chip svg {
    color: var(--color-primary);
}

.download-tip {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 20px;
}

/* ============================
   底部
   ============================ */

.footer {
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border-light);
    padding: 60px 0 30px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    text-align: center;
}

.footer-logo-img {
    height: 48px;
    width: auto;
    min-height: 48px;
    min-width: 48px;
    background: var(--gradient-primary-soft);
    border-radius: 14px;
    padding: 6px;
    object-fit: contain;
}

.footer-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 500px;
    margin: 0 auto;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.footer-col h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-border-light);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================
   悬浮下载按钮（移动端）
   ============================ */

.floating-download {
    display: none;
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-primary);
    transition: all var(--transition-normal);
    animation: floating-bounce 2s ease-in-out infinite;
}

@keyframes floating-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.floating-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 50px rgba(255, 87, 34, 0.55);
}

/* ============================
   滚动动画
   ============================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================
   响应式设计
   ============================ */

/* 平板 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-content {
        text-align: center;
    }

    .hero-meta {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions,
    .hero-stats {
        justify-content: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .screenshots-showcase {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .showcase-thumbs {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .thumb-card {
        flex-direction: column;
        text-align: center;
        max-width: 180px;
    }

    .thumb-card:hover {
        transform: translateY(-4px);
    }
}

/* 手机 */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 20px;
        background: rgba(14, 14, 20, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--color-border-light);
        transform: translateY(-120%);
        transition: transform var(--transition-normal);
    }

    .nav-menu.open {
        transform: translateY(0);
    }

    .nav-link {
        padding: 14px 20px;
        text-align: center;
    }

    .nav-download-btn {
        margin-left: 0;
        margin-top: 8px;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-section {
        padding: 110px 0 70px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .meta-divider {
        width: 80px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-hero {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

    .stat-item {
        align-items: center;
        text-align: center;
    }

    .screenshots-stack {
        transform: scale(0.8);
        transform-origin: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .features-section,
    .screenshots-section,
    .reviews-section,
    .faq-section,
    .download-section {
        padding: 70px 0;
    }

    .download-card {
        padding: 48px 24px;
    }

    .btn-download-large {
        padding: 18px 40px;
        font-size: 1.05rem;
        width: 100%;
    }

    .floating-download {
        display: flex;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer {
        padding-bottom: 110px;
    }

    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }

    .faq-answer p {
        padding: 0 20px 20px;
    }

    .review-card {
        padding: 24px;
    }

    .feature-card {
        padding: 28px 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.9rem;
    }

    .screenshots-stack {
        transform: scale(0.7);
    }

    .download-info {
        flex-direction: column;
        align-items: stretch;
    }

    .info-chip {
        justify-content: center;
    }
}