/* ========================================
   水仙十字之谜 - 高级全局样式
   基于原画配色：深蓝、青色、紫色、金色
   ======================================== */

/* 汉仪文黑85W字体 - 使用CDN */
@font-face {
    font-family: 'HYWenHei-85W';
    src: url('https://cdn.jsdelivr.net/gh/AkiraSama/fonts@main/HYWenHei-85W.woff2') format('woff2'),
         url('https://cdn.jsdelivr.net/gh/AkiraSama/fonts@main/HYWenHei-85W.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* 备用：系统字体栈 */
@font-face {
    font-family: 'HYWenHei';
    src: local('HYWenHei-85W'), local('HYWenHei 85W'), local('汉仪文黑-85W');
    font-display: swap;
}

/* CSS 变量 - 高级配色方案 */
:root {
    /* 主色调 - 从原画提取 */
    --color-deep-blue: #0f1c2e;
    --color-midnight: #1a2744;
    --color-azure: #3d8b9e;
    --color-cyan: #5cc5d4;
    --color-cyan-light: #7dd3fc;
    --color-purple: #6b4c9a;
    --color-purple-light: #9d7ed0;
    --color-gold: #d4af37;
    --color-gold-light: #f0d78c;
    --color-rose: #c77d8e;
    --color-burgundy: #8b3a5a;
    
    /* 背景渐变 */
    --bg-gradient: linear-gradient(135deg, #0f1c2e 0%, #1a2744 50%, #0f1c2e 100%);
    --bg-gradient-radial: radial-gradient(ellipse at center, #1a2744 0%, #0f1c2e 100%);
    
    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-muted: rgba(255, 255, 255, 0.5);
    --text-gold: #d4af37;
    
    /* 高级渐变 */
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f0d78c 50%, #d4af37 100%);
    --gradient-cyan: linear-gradient(135deg, #3d8b9e 0%, #5cc5d4 50%, #7dd3fc 100%);
    --gradient-purple: linear-gradient(135deg, #6b4c9a 0%, #9d7ed0 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
    
    /* 字体 - 汉仪文黑85w */
    --font-display: 'HYWenHei-85W', 'HYWenHei', 'Microsoft YaHei', sans-serif;
    --font-body: 'HYWenHei-85W', 'HYWenHei', 'Microsoft YaHei', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 过渡 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* 阴影 - 高级效果 */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow-gold: 0 0 40px rgba(212, 175, 55, 0.4);
    --shadow-glow-cyan: 0 0 40px rgba(92, 197, 212, 0.4);
    --shadow-glow-purple: 0 0 40px rgba(157, 126, 208, 0.4);
    
    /* 玻璃态 */
    --glass-bg: rgba(15, 28, 46, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* 重置样式 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 高级滚动条 */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-azure) 0%, var(--color-purple) 100%);
    border-radius: 5px;
    border: 2px solid var(--color-deep-blue);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-gold);
}

/* 选中文字 */
::selection {
    background: var(--color-gold);
    color: var(--color-deep-blue);
}

/* 链接 */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-normal);
}

/* 图片 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   高级加载动画
   ======================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-deep-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.water-drop {
    width: 70px;
    height: 70px;
    border: 3px solid var(--color-cyan);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    animation: dropFloat 2s ease-in-out infinite;
    margin: 0 auto 2rem;
    position: relative;
    box-shadow: var(--shadow-glow-cyan);
}

.water-drop::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    background: radial-gradient(circle, rgba(92, 197, 212, 0.5) 0%, transparent 70%);
    border-radius: 50%;
    top: 12px;
    left: 12px;
}

@keyframes dropFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

.loader-text {
    color: var(--color-cyan-light);
    font-size: 1.1rem;
    letter-spacing: 3px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ========================================
   粒子背景 - 增强版
   ======================================== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: floatUp 20s infinite;
}

.particle.cyan {
    background: radial-gradient(circle, var(--color-cyan) 0%, transparent 70%);
    box-shadow: 0 0 10px var(--color-cyan);
}

.particle.gold {
    background: radial-gradient(circle, var(--color-gold) 0%, transparent 70%);
    box-shadow: 0 0 10px var(--color-gold);
}

.particle.purple {
    background: radial-gradient(circle, var(--color-purple-light) 0%, transparent 70%);
    box-shadow: 0 0 10px var(--color-purple-light);
}

@keyframes floatUp {
    0% {
        transform: translateY(100vh) translateX(0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
        transform: translateY(90vh) translateX(10px) scale(1);
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) translateX(50px) scale(0.5);
        opacity: 0;
    }
}

/* ========================================
   高级导航栏
   ======================================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.2rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    transition: var(--transition-normal);
}

.main-nav.scrolled {
    background: rgba(15, 28, 46, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(92, 197, 212, 0.2);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
}

.logo-icon {
    color: var(--color-cyan);
    font-size: 1.8rem;
    text-shadow: var(--shadow-glow-cyan);
}

.logo-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    position: relative;
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    letter-spacing: 0.5px;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan);
    transform: translateX(-50%);
    transition: var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--color-cyan);
    border-radius: 50%;
    transform: translateX(-50%) scale(0);
    transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scale(1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-cyan);
    transition: var(--transition-normal);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* 移动端导航 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 28, 46, 0.98);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    z-index: 999;
    flex-direction: column;
    gap: 0.5rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(92, 197, 212, 0.2);
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link {
    padding: 1rem 1.5rem;
    text-align: center;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    transition: var(--transition-normal);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: rgba(92, 197, 212, 0.15);
    border-color: rgba(92, 197, 212, 0.3);
    color: var(--color-cyan);
}

/* ========================================
   按钮样式 - 高级版
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-deep-blue);
    box-shadow: var(--shadow-glow-gold);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-cyan);
    box-shadow: var(--shadow-glow-cyan);
}

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

.btn-outline:hover {
    background: var(--color-cyan);
    color: var(--color-deep-blue);
    box-shadow: var(--shadow-glow-cyan);
}

/* ========================================
   通用区域样式
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: var(--color-cyan);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: 30px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 20px;
    height: 2px;
    background: var(--gradient-cyan);
    transform: translateY(-50%);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.section-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ========================================
   页面头部 - 通用
   ======================================== */
.page-header {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, 
        rgba(92, 197, 212, 0.1) 0%, 
        transparent 100%);
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--color-cyan) 0%, transparent 100%);
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 4.5rem);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 60px rgba(212, 175, 55, 0.3);
}

.page-desc {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

/* ========================================
   玻璃态卡片
   ======================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(92, 197, 212, 0.3);
    box-shadow: var(--shadow-glow-cyan);
}

/* ========================================
   页脚 - 高级版
   ======================================== */
.main-footer {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(92, 197, 212, 0.2);
    position: relative;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: var(--gradient-gold);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
}

.footer-brand .logo-icon {
    color: var(--color-cyan);
}

.footer-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

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

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .mobile-nav {
        display: flex;
    }
    
    .main-nav {
        padding: 1rem 1rem;
    }
    
    .nav-logo {
        font-size: 1.1rem;
    }
    
    .logo-icon {
        font-size: 1.4rem;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .page-header {
        padding: 100px 0 50px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-desc {
        font-size: 1rem;
    }
    
    /* 隐藏部分装饰 */
    .corner-decorations {
        display: none;
    }
    
    .global-decorations .mystic-patterns {
        opacity: 0.3;
    }
    
    .global-decorations .light-rays-container {
        opacity: 0.2;
    }
}

@media (max-width: 480px) {
    .main-nav {
        padding: 0.7rem 0.8rem;
    }
    
    .nav-logo {
        font-size: 0.95rem;
        gap: 6px;
    }
    
    .logo-text {
        font-size: 0.85rem;
    }
    
    .logo-icon {
        font-size: 1.1rem;
    }
    
    .nav-toggle {
        width: 28px;
        height: 20px;
    }
    
    .nav-toggle span {
        height: 2px;
    }
    
    .mobile-nav {
        padding-top: 55px;
    }
    
    .mobile-nav-link {
        font-size: 1rem;
        padding: 0.8rem 0;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .page-header {
        padding: 85px 0 35px;
    }
    
    .page-title {
        font-size: 1.7rem;
    }
    
    .page-desc {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-tag {
        font-size: 0.75rem;
        letter-spacing: 2px;
    }
    
    /* 移动端隐藏更多装饰 */
    .global-decorations .mystic-patterns,
    .global-decorations .light-rays-container {
        display: none;
    }
    
    /* 按钮适配 */
    .btn {
        width: 100%;
        max-width: 240px;
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }
    
    /* 页脚适配 */
    .footer {
        padding: 2rem 1rem;
    }
    
    .footer-brand {
        font-size: 1.1rem;
        gap: 6px;
    }
    
    .footer-text {
        font-size: 0.8rem;
    }
    
    .footer-copyright {
        font-size: 0.75rem;
    }
}

/* 超小屏幕 */
@media (max-width: 360px) {
    .main-nav {
        padding: 0.6rem 0.7rem;
    }
    
    .nav-logo {
        font-size: 0.9rem;
    }
    
    .logo-text {
        font-size: 0.8rem;
    }
    
    .logo-icon {
        font-size: 1rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .page-desc {
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
}

/* ========================================
   动画效果
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 悬浮动画 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* 发光动画 */
@keyframes glow {
    0%, 100% { box-shadow: var(--shadow-glow-cyan); }
    50% { box-shadow: 0 0 60px rgba(92, 197, 212, 0.6); }
}

.glow-animation {
    animation: glow 2s ease-in-out infinite;
}

/* ========================================
   全局背景装饰动效
   ======================================== */

/* 装饰容器 */
.global-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* 浮动气泡 */
.bubbles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.bubble {
    position: absolute;
    bottom: -100px;
    background: radial-gradient(circle at 30% 30%, rgba(125, 211, 252, 0.4), rgba(125, 211, 252, 0.1));
    border-radius: 50%;
    animation: bubbleRise linear infinite;
    opacity: 0;
}

.bubble::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 30%;
    height: 30%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

@keyframes bubbleRise {
    0% {
        transform: translateY(0) translateX(0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
        transform: translateY(-10vh) translateX(10px) scale(1);
    }
    90% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-110vh) translateX(-20px) scale(0.5);
        opacity: 0;
    }
}

/* 浮动光线 */
.light-rays-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.light-ray {
    position: absolute;
    top: -50%;
    width: 2px;
    height: 200%;
    background: linear-gradient(to bottom, 
        transparent 0%,
        rgba(212, 175, 55, 0.1) 20%,
        rgba(212, 175, 55, 0.3) 50%,
        rgba(212, 175, 55, 0.1) 80%,
        transparent 100%);
    transform: rotate(15deg);
    animation: rayFloat 8s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes rayFloat {
    0%, 100% {
        transform: rotate(15deg) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: rotate(15deg) translateX(30px);
        opacity: 0.6;
    }
}

/* 星星符号装饰 */
.stars-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.star-symbol {
    position: absolute;
    font-size: 1.5rem;
    color: var(--color-gold);
    opacity: 0.15;
    animation: starPulse 4s ease-in-out infinite;
}

.star-symbol::before {
    content: '✦';
}

@keyframes starPulse {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.15;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.4;
    }
}

/* 水波纹效果 */
.ripples-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
}

.ripple {
    position: absolute;
    border: 1px solid rgba(125, 211, 252, 0.2);
    border-radius: 50%;
    animation: rippleExpand 6s ease-out infinite;
    opacity: 0;
}

@keyframes rippleExpand {
    0% {
        width: 0;
        height: 0;
        opacity: 0.6;
        transform: translate(-50%, -50%);
    }
    100% {
        width: 400px;
        height: 400px;
        opacity: 0;
        transform: translate(-50%, -50%);
    }
}

/* 浮动尘埃粒子 */
.dust-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.dust-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(125, 211, 252, 0.5);
    animation: dustDrift 15s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes dustDrift {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(20px, -30px) scale(1.2);
        opacity: 0.6;
    }
    50% {
        transform: translate(-10px, -60px) scale(0.8);
        opacity: 0.4;
    }
    75% {
        transform: translate(30px, -40px) scale(1.1);
        opacity: 0.5;
    }
}

/* 神秘符文图案 */
.mystic-patterns {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.mystic-circle {
    position: absolute;
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    animation: mysticRotate 60s linear infinite;
}

@keyframes mysticRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 动态光晕 */
.glow-orbs-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: orbFloat 20s ease-in-out infinite;
}

.glow-orb.cyan {
    background: var(--color-cyan);
    opacity: 0.1;
}

.glow-orb.gold {
    background: var(--color-gold);
    opacity: 0.08;
}

.glow-orb.purple {
    background: var(--color-purple-light);
    opacity: 0.1;
}

@keyframes orbFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 50px) scale(0.9);
    }
    75% {
        transform: translate(40px, 20px) scale(1.05);
    }
}

/* 角落装饰 */
.corner-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.corner-deco {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    opacity: 0.6;
}

.corner-deco.top-left {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.corner-deco.top-right {
    top: 20px;
    right: 20px;
    border-left: none;
    border-bottom: none;
}

.corner-deco.bottom-left {
    bottom: 20px;
    left: 20px;
    border-right: none;
    border-top: none;
}

.corner-deco.bottom-right {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

/* 响应式隐藏部分装饰 */
@media (max-width: 768px) {
    .corner-decorations {
        display: none;
    }
    
    .mystic-patterns {
        opacity: 0.5;
    }
    
    .light-rays-container {
        opacity: 0.3;
    }
}

@media (max-width: 480px) {
    .mystic-patterns,
    .light-rays-container {
        display: none;
    }
}