/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 沙漠配色方案 */
    --primary-color: #D4A574;        /* 沙漠金 */
    --secondary-color: #8B4513;      /* 深褐色 */
    --accent-color: #CD853F;         /* 秘鲁色 */
    --dark-brown: #654321;           /* 深棕色 */
    --light-sand: #F4E4BC;           /* 浅沙色 */
    --warm-beige: #DEB887;           /* 暖米色 */
    --text-dark: #2F1B14;            /* 深棕文字 */
    --text-light: #F5F5DC;           /* 米白文字 */
    --background-dark: #1A1A1A;      /* 深色背景 */
    --gradient-primary: linear-gradient(135deg, #D4A574 0%, #CD853F 100%);
    --gradient-secondary: linear-gradient(135deg, #8B4513 0%, #654321 100%);
    --shadow-light: 0 4px 15px rgba(212, 165, 116, 0.2);
    --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #F4E4BC 0%, #DEB887 100%);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(212, 165, 116, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-color) 20%, 
        var(--accent-color) 50%, 
        var(--primary-color) 80%, 
        transparent 100%);
    opacity: 0.6;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.favicon-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: all 0.3s ease;
}

.nav-logo:hover .favicon-logo {
    transform: scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(212, 165, 116, 0.4));
}

.logo-text {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-text h2 {
    font-family: 'Cinzel', serif;
    color: var(--primary-color);
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.logo-text span {
    color: var(--warm-beige);
    font-size: 0.75rem;
    font-style: italic;
    opacity: 0.9;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(212, 165, 116, 0.1);
    transform: translateY(-1px);
}

.link-icon {
    font-size: 0.9rem;
    opacity: 0.8;
    transition: all 0.3s ease;
    width: 16px;
    text-align: center;
}

.nav-link:hover .link-icon {
    opacity: 1;
    transform: scale(1.1);
}

.link-text {
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-hover-effect {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover .nav-hover-effect {
    width: 80%;
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(212, 165, 116, 0.15);
}

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

.download-highlight {
    background: var(--gradient-primary);
    color: var(--text-dark) !important;
    font-weight: 600;
    border-radius: 25px;
    padding: 10px 20px;
    box-shadow: var(--shadow-light);
    margin-left: 8px;
}

.download-highlight:hover {
    background: var(--gradient-secondary);
    color: var(--text-light) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 165, 116, 0.4);
}

.download-highlight .nav-hover-effect {
    display: none;
}

.nav-extras {
    display: flex;
    align-items: center;
    gap: 15px;
}

.version-badge {
    background: var(--gradient-secondary);
    color: var(--text-light);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(212, 165, 116, 0.3);
    transition: all 0.3s ease;
}

.version-badge:hover {
    background: var(--gradient-primary);
    color: var(--text-dark);
    transform: scale(1.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: rgba(212, 165, 116, 0.1);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* 导航栏装饰动画 */
.nav-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.sand-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatSand 8s infinite linear;
}

.sand-particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 6s;
}

.sand-particle:nth-child(2) {
    left: 25%;
    animation-delay: 2s;
    animation-duration: 8s;
}

.sand-particle:nth-child(3) {
    left: 50%;
    animation-delay: 4s;
    animation-duration: 7s;
}

.sand-particle:nth-child(4) {
    left: 75%;
    animation-delay: 1s;
    animation-duration: 9s;
}

.sand-particle:nth-child(5) {
    left: 90%;
    animation-delay: 3s;
    animation-duration: 5s;
}

@keyframes floatSand {
    0% {
        transform: translateY(80px) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-20px) translateX(20px);
        opacity: 0;
    }
}

/* 主页横幅 */
.hero {
    min-height: 55vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #2F1B14 0%, #1A1A1A 70%);
    padding: 60px 0;
    margin-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.8) 0%, 
        rgba(47, 27, 20, 0.6) 50%, 
        rgba(26, 26, 26, 0.9) 100%);
}

/* 增强的背景特效 */
.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(212, 165, 116, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(205, 133, 63, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(139, 69, 19, 0.06) 0%, transparent 50%);
    animation: backgroundPulse 8s ease-in-out infinite alternate;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="sand" patternUnits="userSpaceOnUse" width="20" height="20"><circle cx="10" cy="10" r="1" fill="%23D4A574" opacity="0.1"/><circle cx="5" cy="5" r="0.5" fill="%23CD853F" opacity="0.08"/><circle cx="15" cy="15" r="0.8" fill="%23DEB887" opacity="0.06"/></pattern></defs><rect width="100" height="100" fill="url(%23sand)"/></svg>');
    opacity: 0.3;
    animation: sandDrift 20s linear infinite;
}

@keyframes backgroundPulse {
    0% { opacity: 0.6; transform: scale(1); }
    100% { opacity: 0.8; transform: scale(1.05); }
}

@keyframes sandDrift {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(-20px) translateY(-20px); }
}

/* 沙漠特效 */
.desert-effects {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.sand-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(0deg, 
        rgba(212, 165, 116, 0.1) 0%, 
        rgba(205, 133, 63, 0.05) 50%, 
        transparent 100%);
    animation: sandWave 15s ease-in-out infinite;
}

.sand-wave:nth-child(1) {
    animation-delay: 0s;
    height: 80px;
}

.sand-wave:nth-child(2) {
    animation-delay: 5s;
    height: 60px;
    opacity: 0.7;
}

.sand-wave:nth-child(3) {
    animation-delay: 10s;
    height: 40px;
    opacity: 0.5;
}

@keyframes sandWave {
    0%, 100% {
        transform: translateX(0) scaleY(1);
        opacity: 0.3;
    }
    50% {
        transform: translateX(-30px) scaleY(1.2);
        opacity: 0.6;
    }
}

.heat-shimmer {
    position: absolute;
    top: 20%;
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(212, 165, 116, 0.03) 25%, 
        rgba(205, 133, 63, 0.02) 50%, 
        rgba(212, 165, 116, 0.03) 75%, 
        transparent 100%);
    animation: heatShimmer 8s ease-in-out infinite;
    filter: blur(1px);
}

.heat-shimmer:nth-child(4) {
    top: 30%;
    animation-delay: 2s;
    height: 150px;
}

.heat-shimmer:nth-child(5) {
    top: 50%;
    animation-delay: 4s;
    height: 100px;
}

@keyframes heatShimmer {
    0%, 100% {
        transform: translateX(0) skewX(0deg);
        opacity: 0.2;
    }
    25% {
        transform: translateX(10px) skewX(1deg);
        opacity: 0.4;
    }
    75% {
        transform: translateX(-10px) skewX(-1deg);
        opacity: 0.3;
    }
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
    animation: floatParticles 12s infinite ease-in-out;
    box-shadow: 0 0 6px rgba(212, 165, 116, 0.4);
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; }
.particle:nth-child(5) { left: 60%; animation-delay: 3s; }
.particle:nth-child(6) { left: 70%; animation-delay: 5s; }
.particle:nth-child(7) { left: 80%; animation-delay: 1.5s; }
.particle:nth-child(8) { left: 90%; animation-delay: 3.5s; }
.particle:nth-child(9) { left: 15%; animation-delay: 6s; }
.particle:nth-child(10) { left: 35%; animation-delay: 7s; }
.particle:nth-child(11) { left: 65%; animation-delay: 8s; }
.particle:nth-child(12) { left: 85%; animation-delay: 9s; }

@keyframes floatParticles {
    0%, 100% { 
        transform: translateY(100vh) scale(0) rotate(0deg); 
        opacity: 0; 
    }
    10% { 
        opacity: 0.6; 
        transform: scale(1) rotate(90deg); 
    }
    90% { 
        opacity: 0.6; 
        transform: scale(1) rotate(270deg); 
    }
    100% { 
        transform: translateY(-100px) scale(0) rotate(360deg); 
        opacity: 0; 
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 900px;
}

.hero-main {
    position: relative;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-primary);
    color: var(--text-dark);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    box-shadow: var(--shadow-light);
}

.hero-title-group {
    margin-bottom: 0.8rem;
}

.hero-title {
    font-family: 'Cinzel', serif;
    margin-bottom: 0.6rem;
}

.title-main {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.1;
    margin-bottom: 0.2rem;
}

.title-sub {
    display: block;
    font-size: 1.3rem;
    color: var(--warm-beige);
    font-style: italic;
    opacity: 0.9;
}

.hero-version-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(212, 165, 116, 0.1);
    border: 1px solid var(--primary-color);
    padding: 6px 12px;
    border-radius: 15px;
    margin: 0.6rem 0;
}

.version-label {
    color: var(--warm-beige);
    font-size: 0.8rem;
}

.version-number {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.hero-description {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    max-width: 700px;
}

.hero-description .highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.2rem;
    justify-content: center;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(139, 69, 19, 0.3);
    color: var(--text-light);
    padding: 6px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(212, 165, 116, 0.2);
    backdrop-filter: blur(10px);
}

.feature-tag i {
    color: var(--accent-color);
    font-size: 0.75rem;
}

.hero-buttons {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    position: relative;
    padding: 12px 24px;
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    overflow: hidden;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        transparent 100%);
    transition: left 0.6s ease;
}

.btn-primary:hover .btn-shine {
    left: 100%;
}

.hero-stats {
    display: flex;
    gap: 1.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Cinzel', serif;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--warm-beige);
    margin-top: 4px;
}

/* 英雄区域视觉展示 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.game-showcase {
    position: relative;
    width: 400px;
    height: 500px;
}

.showcase-main {
    position: relative;
    width: 100%;
    height: 80%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.showcase-frame {
    width: 300px;
    height: 400px;
    background: var(--gradient-secondary);
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-dark);
    position: relative;
    overflow: hidden;
}

.showcase-frame::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    opacity: 0.3;
}

.showcase-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2F1B14 0%, #1A1A1A 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.screen-content {
    text-align: center;
    z-index: 2;
}

.game-logo img {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
    margin-bottom: 20px;
}

.game-title {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.game-subtitle {
    font-size: 0.9rem;
    color: var(--warm-beige);
    font-style: italic;
}

.showcase-floating {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-element {
    position: absolute;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    box-shadow: var(--shadow-light);
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.element-2 {
    bottom: 30%;
    left: 5%;
    animation-delay: 2s;
}

.element-3 {
    top: 50%;
    right: -5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-text {
    display: block;
    color: var(--warm-beige);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.scroll-arrow:hover {
    background: var(--primary-color);
    color: var(--text-dark);
    transform: scale(1.1);
}

.scroll-arrow i {
    color: inherit;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-dark);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 165, 116, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-dark);
    transform: translateY(-2px);
}



/* 通用区域样式 */
section {
    padding: 50px 0;
}

.section-title {
    font-family: 'Cinzel', serif;
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* 游戏介绍区域 */
.about {
    background: linear-gradient(135deg, var(--light-sand) 0%, #F0E6D2 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="aboutPattern" patternUnits="userSpaceOnUse" width="40" height="40"><circle cx="20" cy="20" r="1" fill="%23D4A574" opacity="0.1"/><circle cx="10" cy="30" r="0.5" fill="%23CD853F" opacity="0.15"/></pattern></defs><rect width="100" height="100" fill="url(%23aboutPattern)"/></svg>');
    opacity: 0.4;
    animation: floatBackground 20s ease-in-out infinite;
}

@keyframes floatBackground {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(-2%) translateY(-1%); }
}

.about-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gradient-primary);
    color: var(--text-dark);
    padding: 6px 12px;
    border-radius: 18px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    box-shadow: var(--shadow-light);
}

.section-subtitle {
    color: var(--secondary-color);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.8;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2.5rem;
    align-items: start;
    position: relative;
    z-index: 2;
}

.about-main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 故事卡片 */
.story-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.story-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(212, 165, 116, 0.1);
    position: relative;
    overflow: hidden;
}

.story-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.story-card:hover::before {
    opacity: 1;
}

.story-card.featured {
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.1) 0%, rgba(255, 255, 255, 0.95) 100%);
    border: 2px solid var(--primary-color);
}

.story-card.featured::before {
    opacity: 1;
}

.story-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.story-card .card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    color: var(--text-light);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.story-card.featured .card-icon {
    background: var(--gradient-primary);
    color: var(--text-dark);
}

.story-card h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.story-card p {
    line-height: 1.7;
    color: var(--text-dark);
    opacity: 0.9;
}

/* 特色亮点 */
.game-features-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.feature-highlight {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-highlight:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.highlight-content h4 {
    font-family: 'Cinzel', serif;
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.highlight-content p {
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    opacity: 0.9;
}

.highlight-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--gradient-secondary);
    color: var(--text-light);
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 侧边栏 */
.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stats-container,
.inspiration-box,
.rating-box {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(212, 165, 116, 0.1);
}

.stats-title,
.inspiration-box h4,
.rating-box h4 {
    font-family: 'Cinzel', serif;
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    text-align: center;
    padding: 1rem;
    background: rgba(212, 165, 116, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(212, 165, 116, 0.1);
    transform: scale(1.02);
}

.stat-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    color: var(--text-dark);
    font-size: 1rem;
}

.stat-number {
    font-family: 'Cinzel', serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-dark);
    font-size: 0.8rem;
    opacity: 0.8;
}

.inspiration-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.inspiration-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(139, 69, 19, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.inspiration-item:hover {
    background: rgba(139, 69, 19, 0.1);
    transform: translateX(5px);
}

.inspiration-item i {
    color: var(--accent-color);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.rating-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.rating-stars {
    display: flex;
    align-items: center;
    gap: 2px;
}

.rating-stars i {
    color: #FFD700;
    font-size: 1rem;
}

.rating-score {
    margin-left: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.rating-breakdown {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rating-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.rating-item span {
    font-size: 0.9rem;
    color: var(--text-dark);
    min-width: 60px;
}

.rating-bar {
    flex: 1;
    height: 6px;
    background: rgba(212, 165, 116, 0.2);
    border-radius: 3px;
    overflow: hidden;
}

.rating-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 1s ease;
}

/* 游戏特色区域 */
.features {
    background: linear-gradient(135deg, #2F1B14 0%, #1A1A1A 100%);
    color: var(--text-light);
}

.features .section-title {
    color: var(--primary-color);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(212, 165, 116, 0.2);
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-dark);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.feature-card h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.feature-card p {
    line-height: 1.5;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* 更新日志区域 */
.updates {
    background: var(--light-sand);
}

.update-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    max-width: 800px;
    margin: 0 auto;
}

.update-header {
    background: var(--gradient-primary);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.update-header h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.3rem;
    color: var(--text-dark);
}

.update-date {
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 600;
}

.update-content {
    padding: 1.5rem;
}

.update-content h4 {
    color: var(--secondary-color);
    margin: 1.2rem 0 0.8rem 0;
    font-size: 1.1rem;
}

.update-content ul {
    margin-left: 1.2rem;
    margin-bottom: 1.2rem;
}

.update-content li {
    margin-bottom: 0.4rem;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* 下载区域 */
.download {
    position: relative;
    background: linear-gradient(135deg, #1A1A1A 0%, #2F1B14 50%, #1A1A1A 100%);
    color: var(--text-light);
    overflow: hidden;
}

.download-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.download-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, 
        rgba(212, 165, 116, 0.1) 0%, 
        rgba(26, 26, 26, 0.8) 70%);
}

.download-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.download-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatDownloadParticles 20s infinite ease-in-out;
}

.download-particle:nth-child(1) { left: 15%; animation-delay: 0s; }
.download-particle:nth-child(2) { left: 30%; animation-delay: 3s; }
.download-particle:nth-child(3) { left: 50%; animation-delay: 6s; }
.download-particle:nth-child(4) { left: 70%; animation-delay: 2s; }
.download-particle:nth-child(5) { left: 85%; animation-delay: 4s; }
.download-particle:nth-child(6) { left: 95%; animation-delay: 7s; }

@keyframes floatDownloadParticles {
    0%, 100% { 
        transform: translateY(100vh) scale(0); 
        opacity: 0; 
    }
    10% { 
        opacity: 0.3; 
        transform: scale(1); 
    }
    90% { 
        opacity: 0.3; 
        transform: scale(1); 
    }
    100% { 
        transform: translateY(-100px) scale(0); 
        opacity: 0; 
    }
}

.download-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.download-main {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2.5rem;
    align-items: start;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

/* 游戏信息卡片 */
.game-info-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 165, 116, 0.2);
    border-radius: 25px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.game-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.game-icon {
    position: relative;
    width: 80px;
    height: 80px;
}

.game-icon img {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.icon-glow {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--gradient-primary);
    border-radius: 25px;
    opacity: 0.3;
    filter: blur(10px);
    z-index: -1;
}

.game-meta h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.game-meta p {
    color: var(--warm-beige);
    font-style: italic;
    margin-bottom: 1rem;
}

.version-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-label {
    color: var(--warm-beige);
    font-size: 0.8rem;
}

.version-number {
    background: var(--gradient-primary);
    color: var(--text-dark);
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

.game-stats {
    margin-bottom: 2rem;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.mini-stat {
    text-align: center;
    padding: 1rem;
    background: rgba(212, 165, 116, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.mini-stat:hover {
    background: rgba(212, 165, 116, 0.2);
    transform: translateY(-2px);
}

.mini-stat i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.mini-stat span {
    font-weight: 600;
    color: var(--primary-color);
}

.features-highlight h4 {
    font-family: 'Cinzel', serif;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.highlight-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(139, 69, 19, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(139, 69, 19, 0.3);
    transform: translateX(5px);
}

.highlight-item i {
    color: #4ade80;
    font-size: 1rem;
}

/* 下载操作区域 */
.download-actions {
    display: flex;
    flex-direction: column;
    gap: 0;
    height: 100%;
}

.unified-download-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 165, 116, 0.2);
    border-radius: 25px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.unified-download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
    opacity: 0.8;
}

.unified-download-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(212, 165, 116, 0.3);
    border-color: rgba(212, 165, 116, 0.4);
}

/* 卡片头部 */
.download-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(212, 165, 116, 0.2);
}

.game-title-section h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 0.4rem;
}

.game-subtitle {
    color: var(--warm-beige);
    font-size: 0.95rem;
    opacity: 0.9;
}

.version-badge-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--gradient-primary);
    color: var(--text-dark);
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.3);
}

.badge-text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.version-text {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Cinzel', serif;
}

/* 平台支持区域 */
.platforms-support {
    margin-bottom: 2rem;
    flex: 1;
}

.platforms-title {
    font-family: 'Cinzel', serif;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    text-align: center;
}

.platforms-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.platform-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(212, 165, 116, 0.05);
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(212, 165, 116, 0.1);
    opacity: 0;
    transform: translateY(20px);
    min-height: 140px;
    justify-content: space-between;
}

.platform-item:hover {
    background: rgba(212, 165, 116, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(212, 165, 116, 0.2);
}

.platform-icon-small {
    width: 45px;
    height: 45px;
    background: var(--gradient-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--text-light);
    margin-bottom: 0.8rem;
    flex-shrink: 0;
}

.platform-icon-small.android {
    background: linear-gradient(135deg, #3DDC84 0%, #2E7D32 100%);
}

.platform-icon-small.ios {
    background: linear-gradient(135deg, #007AFF 0%, #0051D5 100%);
}

.platform-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 0.8rem;
}

.platform-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.platform-details {
    font-size: 0.85rem;
    color: var(--warm-beige);
    opacity: 0.9;
    line-height: 1.4;
}

.platform-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.platform-status.recommended {
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
    color: #1a1a1a;
}

.platform-status.beta {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #1a1a1a;
}

.platform-status:not(.recommended):not(.beta) {
    background: rgba(212, 165, 116, 0.3);
    color: var(--primary-color);
}

/* 主下载区域 */
.download-main-action {
    text-align: center;
    margin-top: auto;
}

.download-btn-unified {
    display: inline-flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--gradient-primary);
    color: var(--text-dark);
    text-decoration: none;
    padding: 1.5rem 3rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 6px 25px rgba(212, 165, 116, 0.4);
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
}

.download-btn-unified:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(212, 165, 116, 0.6);
}

.btn-icon-section {
    font-size: 1.5rem;
}

.btn-text-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.btn-main-text {
    font-size: 1.2rem;
    font-weight: 700;
}

.btn-sub-text {
    font-size: 0.8rem;
    opacity: 0.8;
    font-weight: 500;
}

.download-notes {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.note-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--warm-beige);
    font-size: 0.9rem;
}

.note-item i {
    color: var(--accent-color);
    font-size: 1rem;
}

.download-btn.primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 3rem;
    background: var(--gradient-primary);
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(212, 165, 116, 0.4);
    overflow: hidden;
    margin-bottom: 1rem;
}

.download-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 165, 116, 0.6);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 2;
}

.download-note {
    color: var(--warm-beige);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 附加信息卡片 */
.info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 165, 116, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.info-card .card-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--text-light);
    font-size: 1.2rem;
}

.info-card h5 {
    font-family: 'Cinzel', serif;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-card p {
    color: var(--warm-beige);
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 下载页脚 */
.download-footer {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.warning-notice {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 15px;
    padding: 1.5rem;
}

.notice-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 193, 7, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffc107;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.notice-content h5 {
    color: #ffc107;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.notice-content p {
    color: var(--text-light);
    opacity: 0.9;
    line-height: 1.6;
}

.support-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    opacity: 0.8;
}

.support-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--warm-beige);
    font-size: 0.9rem;
}

.support-item i {
    color: var(--accent-color);
}

.support-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.support-link:hover {
    text-decoration: underline;
}

/* 页脚 */
.footer {
    background: var(--background-dark);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

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

.footer-info h3 {
    font-family: 'Cinzel', serif;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-links h4,
.footer-links-section h4 {
    color: var(--warm-beige);
    margin-bottom: 1rem;
}

.footer-links ul,
.friend-links {
    list-style: none;
}

.footer-links a,
.friend-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.friend-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 165, 116, 0.2);
    opacity: 0.7;
}

.footer-bottom-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-bottom-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.footer-bottom-links a:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.footer-bottom-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.footer-bottom-links a:hover::after {
    width: 100%;
}

@media (max-width: 768px) {
    .footer-bottom-links {
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-bottom-links a {
        font-size: 0.85rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        height: 70px;
    }
    
    .nav-logo {
        gap: 8px;
    }
    
    .logo-icon {
        width: 35px;
        height: 35px;
    }
    
    .logo-text {
        gap: 6px;
    }
    
    .logo-text h2 {
        font-size: 1.4rem;
    }
    
    .logo-text span {
        font-size: 0.7rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .version-badge {
        display: none;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: all 0.3s ease;
        padding: 2rem 0;
        gap: 0;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(212, 165, 116, 0.1);
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        padding: 20px 40px;
        justify-content: center;
        font-size: 1.1rem;
        border-radius: 0;
    }
    
    .nav-link:hover {
        background: rgba(212, 165, 116, 0.2);
        transform: none;
    }
    
    .download-highlight {
        margin: 20px;
        border-radius: 25px;
        background: var(--gradient-primary);
    }
    
    .nav-hover-effect {
        display: none;
    }
    
    .sand-particle {
        display: none;
    }

    .desert-effects {
        display: none;
    }

    .hero-background::after {
        display: none;
    }
    
        .hero {
        min-height: 50vh;
        padding: 50px 0;
        margin-top: 80px;
    }

    .hero-content {
        max-width: 100%;
        padding: 0 10px;
    }

    .hero-main {
        width: 100%;
    }

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

    .title-sub {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
        max-width: 100%;
    }

    .hero-features {
        justify-content: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }
    
    .game-showcase {
        width: 300px;
        height: 400px;
    }
    
    .showcase-frame {
        width: 250px;
        height: 320px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-main {
        order: 1;
    }
    
    .about-sidebar {
        order: 2;
    }
    
    .game-features-overview {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 0.75rem;
    }
    
    .rating-header {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
        .download-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .game-icon {
        width: 60px;
        height: 60px;
    }
    
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .info-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .unified-download-card {
        padding: 1.5rem;
        height: auto;
    }
    
    .download-card-header {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
        margin-bottom: 1.5rem;
    }
    
    .platforms-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.8rem;
    }
    
    .platform-item {
        flex-direction: column;
        text-align: center;
        min-height: auto;
        padding: 1rem;
    }
    
    .platform-icon-small {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
        margin-right: 0;
    }
    
    .platform-info {
        margin-bottom: 0.8rem;
        text-align: center;
    }
    
    .download-notes {
        flex-direction: column;
        gap: 1rem;
    }
    
    .warning-notice {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .support-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .logo-text {
        flex-direction: column;
        gap: 0;
        align-items: flex-start;
    }
    
    .logo-text h2 {
        font-size: 1.2rem;
        line-height: 1.2;
    }
    
    .logo-text span {
        font-size: 0.65rem;
        margin-top: -2px;
    }
    
    section {
        padding: 30px 0;
    }

    .hero {
        min-height: 45vh;
        padding: 40px 0;
        margin-top: 80px;
    }
    
    .title-main {
        font-size: 1.8rem;
    }
    
    .title-sub {
        font-size: 1rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 5px 10px;
    }

    .hero-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .hero-buttons {
        gap: 0.6rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .game-showcase {
        width: 250px;
        height: 320px;
    }
    
    .showcase-frame {
        width: 200px;
        height: 260px;
    }
    
    .floating-element {
        width: 30px;
        height: 30px;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    

    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .story-card {
        padding: 1.5rem;
    }
    
    .feature-highlight {
        padding: 1.5rem;
    }
    
    .about-sidebar {
        gap: 1.5rem;
    }
    
    .stats-container,
    .inspiration-box,
    .rating-box {
        padding: 1.5rem;
    }
    
    .update-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .download-btn.primary {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .game-info-card {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .game-meta h3 {
        font-size: 1.4rem;
    }
    
    .platforms-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.6rem;
    }
    
    .platform-item {
        padding: 0.8rem;
        flex-direction: column;
        text-align: center;
        min-height: auto;
    }
    
    .platform-info {
        text-align: center;
        margin-bottom: 0.5rem;
    }
    
    .platform-icon-small {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        margin-right: 0;
        margin-bottom: 0.6rem;
    }
    
    .platform-name {
        font-size: 0.9rem;
    }
    
    .platform-details {
        font-size: 0.8rem;
    }
    
    .download-header {
        margin-bottom: 2rem;
    }
    
    .mini-stat {
        padding: 0.75rem 0.5rem;
    }
    
    .highlight-item {
        padding: 0.5rem;
        gap: 0.75rem;
    }
    
    .download-actions {
        gap: 2rem;
    }
    
    .platform-details h4 {
        font-size: 1.2rem;
    }
    
    .unified-download-card {
        padding: 1.5rem;
    }
    
    .download-card-header {
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }
    
    .game-title-section h3 {
        font-size: 1.6rem;
    }
    
    .platforms-support {
        margin-bottom: 2rem;
    }
    
    .platform-item {
        padding: 1rem;
    }
    
    .download-btn-unified {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .btn-text-section {
        text-align: center;
    }
}

/* 滚动动画 */
@media (prefers-reduced-motion: no-preference) {
    .feature-card,
    .stat-item,
    .update-card {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.6s ease forwards;
    }
    
    .feature-card:nth-child(1) { animation-delay: 0.1s; }
    .feature-card:nth-child(2) { animation-delay: 0.2s; }
    .feature-card:nth-child(3) { animation-delay: 0.3s; }
    .feature-card:nth-child(4) { animation-delay: 0.4s; }
    .feature-card:nth-child(5) { animation-delay: 0.5s; }
    .feature-card:nth-child(6) { animation-delay: 0.6s; }
}

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

/* Font Awesome 图标样式 */
.feature-icon i,
.update-content h4 i,
.download-notice i,
.feature-item i {
    margin-right: 8px;
    color: var(--primary-color);
}

.feature-icon i {
    font-size: 2rem;
    margin-right: 0;
}

.update-content h4 i {
    margin-right: 10px;
    font-size: 1.1rem;
}

.download-notice i {
    margin-right: 6px;
    color: var(--accent-color);
}

.feature-item i {
    color: #4ade80;
    margin-right: 8px;
    font-size: 0.9rem;
}

.btn-icon i {
    font-size: 1.5rem;
    color: inherit;
}

/* 用户手册增强样式 */
.manual-overview {
    margin-bottom: 3rem;
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.overview-stats .stat-item {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(139, 69, 19, 0.1));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.overview-stats .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.overview-stats .stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.overview-stats .stat-info h4 {
    color: #d4af37;
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.overview-stats .stat-info p {
    color: #ccc;
    margin: 0;
    font-size: 0.9rem;
}

.manual-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    align-items: start;
}

.nav-card .nav-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: #d4af37;
}

.nav-card .nav-header i {
    font-size: 1.2rem;
}

.manual-menu .nav-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    color: #ccc;
    text-decoration: none;
}

.manual-menu .nav-item:hover {
    background: rgba(212, 175, 55, 0.1);
    color: #d4af37;
}

.manual-menu .nav-item.active {
    background: rgba(212, 175, 55, 0.2);
    color: #d4af37;
}

.manual-menu .nav-item i {
    width: 20px;
    text-align: center;
    color: inherit;
}

.manual-menu .nav-item span {
    color: inherit;
}

.manual-menu .nav-item .nav-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: #d4af37;
    width: 0;
    transition: width 0.3s ease;
}

.manual-menu .nav-item.active .nav-progress {
    width: 100%;
}

.reading-progress {
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.reading-progress h4 {
    color: #d4af37;
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #d4af37, #b8941f);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.8rem;
    color: #ccc;
}

.section-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.section-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.section-info .section-title {
    color: #d4af37;
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
}

.section-info .section-desc {
    color: #ccc;
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
}

.section-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.section-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #999;
    font-size: 0.9rem;
}

.section-meta i {
    color: #d4af37;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    align-items: start;
}

.guide-card.enhanced {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.guide-card.enhanced .card-header {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(139, 69, 19, 0.1));
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    position: relative;
}

.guide-card.enhanced .card-header i {
    color: #d4af37;
    font-size: 1.2rem;
}

.guide-card.enhanced .card-header h3 {
    color: #d4af37;
    margin: 0;
    flex: 1;
}

.card-badge {
    background: linear-gradient(135deg, #d4af37, #b8941f);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-badge.important {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
}

.guide-card.enhanced .card-content {
    padding: 2rem;
}

.step-timeline {
    position: relative;
}

.step-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #d4af37, rgba(212, 175, 55, 0.3));
}

.step-timeline .step-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.step-marker {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.step-number {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.step-content h4 {
    color: #d4af37;
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.step-content p {
    color: #ccc;
    margin: 0 0 1rem 0;
    line-height: 1.6;
}

.step-tips {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(212, 175, 55, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border-left: 3px solid #d4af37;
}

.step-tips i {
    color: #d4af37;
    font-size: 0.9rem;
}

.step-tips span {
    color: #e0e0e0;
    font-size: 0.85rem;
}

.controls-showcase {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.control-category h4 {
    color: #d4af37;
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-list {
    display: grid;
    gap: 1rem;
}

.control-item.modern {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: all 0.3s ease;
}

.control-item.modern:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateX(5px);
}

.control-visual {
    flex-shrink: 0;
}

.control-key {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    min-width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.control-key.primary {
    background: linear-gradient(135deg, #d4af37, #b8941f);
    color: white;
}

.control-key.secondary {
    background: linear-gradient(135deg, #666, #555);
    color: white;
}

.control-key.accent {
    background: linear-gradient(135deg, #333, #222);
    color: #d4af37;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.control-info h5 {
    color: #d4af37;
    margin: 0 0 0.3rem 0;
    font-size: 0.95rem;
}

.control-info p {
    color: #ccc;
    margin: 0;
    font-size: 0.85rem;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.quick-tips, .help-box {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(139, 69, 19, 0.1));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
}

.quick-tips h4, .help-box h4 {
    color: #d4af37;
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.tip-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.tip-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.tip-item:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateX(3px);
}

.tip-item i {
    color: #d4af37;
    width: 16px;
    text-align: center;
}

.tip-item span {
    color: #ccc;
    font-size: 0.9rem;
}

.help-box p {
    color: #ccc;
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
}

.help-box ul {
    margin: 0;
    padding-left: 1.2rem;
}

.help-box li {
    color: #ccc;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.help-box a {
    color: #d4af37;
    text-decoration: none;
}

.help-box a:hover {
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .manual-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .overview-stats {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .section-meta {
        justify-content: center;
    }
    
    .overview-stats {
        grid-template-columns: 1fr;
    }
    
    .controls-showcase {
        gap: 1.5rem;
    }
    
    .control-item.modern {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }
}

/* 页面头部样式 */
.page-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d1810 100%);
    color: #f0f0f0;
    padding: 150px 0 80px;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(212,175,55,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(212,175,55,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.page-header {
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-title {
    font-family: 'Cinzel', serif;
    font-size: 3rem;
    color: #d4af37;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.page-title i {
    font-size: 2.5rem;
    opacity: 0.8;
}

.page-subtitle {
    font-size: 1.2rem;
    color: #deb887;
    opacity: 0.9;
}

/* 手册内容样式 */
.manual-content {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a1a, #2d1810);
    min-height: 100vh;
}

.manual-section {
    display: none;
}

.manual-section.active {
    display: block;
}

/* 导航卡片样式 */
.nav-card {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.9), rgba(30, 30, 30, 0.95));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    padding: 2rem;
    position: sticky;
    top: 100px;
}

/* 手册菜单样式 */
.manual-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.manual-menu li {
    margin-bottom: 0.5rem;
}

/* 旧的guide-card样式兼容 */
.guide-card:not(.enhanced) {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.guide-card:not(.enhanced) h3 {
    color: #d4af37;
    font-family: 'Cinzel', serif;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* 特性列表样式 */
.feature-list {
    padding-left: 1.5rem;
    color: #ccc;
}

.feature-list li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.feature-list strong {
    color: #d4af37;
}

/* 关系类型样式 */
.relationship-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.rel-type {
    text-align: center;
    padding: 1.5rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.rel-type i {
    font-size: 2rem;
    color: #d4af37;
    margin-bottom: 1rem;
    display: block;
}

.rel-type h4 {
    color: #d4af37;
    margin-bottom: 0.5rem;
}

.rel-type p {
    color: #ccc;
    margin: 0;
}

/* 角色展示样式 */
.character-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.character-card {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
}

.character-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.character-name {
    color: #d4af37;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.character-role {
    color: #ccc;
    font-weight: bold;
    margin-bottom: 1rem;
    text-align: center;
}

.character-description {
    color: #ccc;
    text-align: center;
    line-height: 1.6;
}

/* 故事路径样式 */
.story-paths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.path-card {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
}

.path-title {
    color: #d4af37;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.path-description {
    color: #ccc;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.path-consequences {
    background: rgba(212, 175, 55, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #d4af37;
    color: #e0e0e0;
}

/* 提示容器样式 */
.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tip-card {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
}

.tip-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.tip-header i {
    color: #d4af37;
    font-size: 1.3rem;
}

.tip-header h3 {
    color: #d4af37;
    margin: 0;
}

.tips-list {
    padding-left: 1.5rem;
    color: #ccc;
}

.tips-list li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

/* 高级技巧样式 */
.advanced-tips {
    margin-top: 3rem;
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    padding: 2rem;
}

.advanced-tips h3 {
    color: #d4af37;
    font-family: 'Cinzel', serif;
    margin-bottom: 1.5rem;
    text-align: center;
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.advanced-item {
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 10px;
}

.advanced-item h4 {
    color: #d4af37;
    margin-bottom: 0.5rem;
}

.advanced-item p {
    color: #ccc;
    margin: 0;
    line-height: 1.6;
}

/* 游戏机制增强样式 */
.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.mechanism-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: all 0.3s ease;
}

.mechanism-item:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-2px);
}

.mech-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.mech-content h4 {
    color: #d4af37;
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.mech-content p {
    color: #ccc;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 关系展示增强样式 */
.relationship-showcase {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.rel-type.enhanced {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
}

.rel-type.enhanced:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateX(5px);
}

.rel-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.rel-content {
    flex: 1;
}

.rel-content h4 {
    color: #d4af37;
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
}

.rel-content p {
    color: #ccc;
    margin: 0 0 1rem 0;
    line-height: 1.6;
}

.rel-indicators {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.indicator {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.indicator.positive {
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.indicator.neutral {
    background: rgba(255, 193, 7, 0.2);
    color: #FFC107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.indicator.negative {
    background: rgba(244, 67, 54, 0.2);
    color: #F44336;
    border: 1px solid rgba(244, 67, 54, 0.3);
}

/* 角色画廊样式 */
.character-gallery {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.character-card.enhanced {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.character-card.enhanced:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.char-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
}

.char-info {
    flex: 1;
}

.char-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.char-header h3 {
    color: #d4af37;
    margin: 0;
    font-size: 1.4rem;
}

.char-role {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.char-role.protagonist {
    background: linear-gradient(135deg, #d4af37, #b8941f);
    color: white;
}

.char-role.family {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
}

.char-role.wasteland {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
}

.char-description {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* 能力网格 */
.ability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.ability-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.ability-item:hover {
    background: rgba(212, 175, 55, 0.2);
    transform: translateY(-2px);
}

.ability-item i {
    color: #d4af37;
    font-size: 1.2rem;
}

.ability-item span {
    color: #ccc;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 关系标签 */
.relationship-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.rel-tag {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.rel-tag.positive {
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
}

.rel-tag.neutral {
    background: rgba(255, 193, 7, 0.2);
    color: #FFC107;
}

/* 类型网格 */
.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.type-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.type-item.ally {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.type-item.neutral {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.type-item.enemy {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.2);
}

.type-item:hover {
    transform: translateY(-2px);
}

.type-item i {
    font-size: 1.5rem;
}

.type-item.ally i {
    color: #4CAF50;
}

.type-item.neutral i {
    color: #FFC107;
}

.type-item.enemy i {
    color: #F44336;
}

.type-info h5 {
    color: #d4af37;
    margin: 0 0 0.3rem 0;
    font-size: 0.9rem;
}

.type-info p {
    color: #ccc;
    margin: 0;
    font-size: 0.8rem;
}

/* 互动指南和提示样式 */
.mechanism-tips, .interaction-guide, .strategy-box, .character-tips {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(139, 69, 19, 0.1));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.mechanism-tips h4, .interaction-guide h4, .strategy-box h4, .character-tips h4 {
    color: #d4af37;
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.tips-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tip-section h5 {
    color: #d4af37;
    margin: 0 0 0.5rem 0;
    font-size: 0.95rem;
}

.tip-section p {
    color: #ccc;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .character-card.enhanced {
        flex-direction: column;
        text-align: center;
    }
    
    .char-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .mechanism-grid {
        grid-template-columns: 1fr;
    }
    
    .ability-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .type-grid {
        grid-template-columns: 1fr;
    }
}

/* 技巧攻略增强样式 */
.tips-showcase {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.tip-category {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    padding: 2rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.category-header i {
    color: #d4af37;
    font-size: 1.5rem;
}

.category-header h3 {
    color: #d4af37;
    margin: 0;
    font-size: 1.5rem;
    flex: 1;
}

.category-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    color: white;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.tip-card.enhanced {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.tip-card.enhanced:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-2px);
}

.tip-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tip-content {
    flex: 1;
}

.tip-content h4 {
    color: #d4af37;
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
}

.tip-content > p {
    color: #ccc;
    margin: 0 0 1.5rem 0;
    line-height: 1.6;
}

/* 步骤样式 */
.tip-steps {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.step-item:hover {
    background: rgba(212, 175, 55, 0.2);
}

.step-number {
    width: 25px;
    height: 25px;
    background: #d4af37;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.step-item span:last-child {
    color: #ccc;
    font-size: 0.9rem;
}

/* 检查清单样式 */
.detail-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.checklist-item i {
    color: #4CAF50;
    font-size: 0.9rem;
}

.checklist-item span {
    color: #ccc;
    font-size: 0.9rem;
}

/* 策略点样式 */
.strategy-points {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.point-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid;
}

.point-item.warning {
    background: rgba(255, 193, 7, 0.1);
    border-color: rgba(255, 193, 7, 0.3);
}

.point-item.warning i {
    color: #FFC107;
}

.point-item.info {
    background: rgba(33, 150, 243, 0.1);
    border-color: rgba(33, 150, 243, 0.3);
}

.point-item.info i {
    color: #2196F3;
}

.point-item.tip {
    background: rgba(156, 39, 176, 0.1);
    border-color: rgba(156, 39, 176, 0.3);
}

.point-item.tip i {
    color: #9C27B0;
}

.point-item.success {
    background: rgba(76, 175, 80, 0.1);
    border-color: rgba(76, 175, 80, 0.3);
}

.point-item.success i {
    color: #4CAF50;
}

.point-item span {
    color: #ccc;
    font-size: 0.9rem;
}

/* 重玩收益样式 */
.replay-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: rgba(212, 175, 55, 0.2);
    transform: translateY(-2px);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background: #d4af37;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.benefit-text h5 {
    color: #d4af37;
    margin: 0 0 0.3rem 0;
    font-size: 0.9rem;
}

.benefit-text p {
    color: #ccc;
    margin: 0;
    font-size: 0.8rem;
    line-height: 1.4;
}

/* 高级技巧分隔符 */
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1rem 0;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.section-divider i {
    color: #d4af37;
    font-size: 1.2rem;
}

.section-divider h3 {
    color: #d4af37;
    margin: 0;
    font-size: 1.3rem;
    text-align: center;
}

/* 高级卡片样式 */
.advanced-grid.enhanced {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.advanced-card {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.advanced-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

.advanced-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.advanced-header i {
    color: #d4af37;
    font-size: 1.2rem;
}

.advanced-header h4 {
    color: #d4af37;
    margin: 0;
    font-size: 1.1rem;
}

.advanced-card p {
    color: #ccc;
    margin: 0 0 1rem 0;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* 快捷键样式 */
.shortcut-examples {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
}

.shortcut-item kbd {
    background: #d4af37;
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.shortcut-item span {
    color: #ccc;
    font-size: 0.9rem;
}

/* 功能亮点 */
.feature-highlight {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.feature-highlight i {
    color: #d4af37;
}

.feature-highlight span {
    color: #ccc;
    font-size: 0.9rem;
}

/* 优化提示 */
.optimization-tips {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.opt-tip {
    padding: 0.3rem 0.8rem;
    background: rgba(33, 150, 243, 0.2);
    color: #2196F3;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 社区收益 */
.community-benefits {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.benefit {
    padding: 0.3rem 0.8rem;
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 快速提示和专家建议 */
.quick-tips, .pro-tips {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(139, 69, 19, 0.1));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.quick-tips h4, .pro-tips h4 {
    color: #d4af37;
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.quick-tip-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.quick-tip-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.quick-tip-item:hover {
    background: rgba(212, 175, 55, 0.1);
}

.tip-number {
    width: 25px;
    height: 25px;
    background: #d4af37;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.quick-tip-item span:last-child {
    color: #ccc;
    font-size: 0.9rem;
}

.pro-tip-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pro-tip {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid #d4af37;
}

.pro-tip i {
    color: #d4af37;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.pro-tip p {
    color: #ccc;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    font-style: italic;
}

@media (max-width: 768px) {
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .tip-card.enhanced {
        flex-direction: column;
        text-align: center;
    }
    
    .replay-benefits {
        grid-template-columns: 1fr;
    }
    
    .advanced-grid.enhanced {
        grid-template-columns: 1fr;
    }
    
    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #d4af37, #b8941f);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #b8941f, #d4af37);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

.back-to-top:active {
    transform: translateY(-1px);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}