@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap");

:root {
    --ymzs1-color: #CCFF00;
    --ymzs2-color: #09F7F7;
    --primary-color: #0000FF;
    --secondary-color: #6809F7;
    --background-dark: #0a0a1a;
    --glass-bg: rgba(20, 20, 40, 0.4);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-light: #e0e0ff;

    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-bounce: cubic-bezier(0.22, 0.61, 0.36, 1);
    --ease-fluid: cubic-bezier(0.45, 0.05, 0.55, 0.95);
    
    --hdr-accent: none;
}

@media (dynamic-range: high) {
    :root {
        --hdr-accent: url("data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAACQAAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAIAAAACAAAAAEHBpeGkAAAAAAwoKCgAAAAxhdjFDgQBMAAAAABNjb2xybmNseAAJABAACQAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAACxtZGF0EgAKCRgZv/9ihIgEgjIVEZACSSSRALSDWh0OcWLT/Laowj+g");
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Orbitron', 'Segoe UI', sans-serif;
    background-color: var(--background-dark);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    cursor: auto;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(9, 247, 247, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(9, 247, 247, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

/* 优化后的流体背景 - 移除 blur 滤镜，改用纯净渐变 */
.fluid-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

.fluid-orb {
    position: absolute;
    border-radius: 50%;
    will-change: transform;
}

.fluid-orb:nth-child(1) {
    width: 60vw; height: 60vw;
    background: radial-gradient(circle, rgba(204, 255, 0, 0.15) 0%, transparent 60%);
    top: -10%; left: -10%;
    animation: orbFloat1 20s var(--ease-fluid) infinite;
}

.fluid-orb:nth-child(2) {
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, rgba(9, 247, 247, 0.15) 0%, transparent 60%);
    top: 40%; right: -10%;
    animation: orbFloat2 24s var(--ease-fluid) infinite;
}

.fluid-orb:nth-child(3) {
    width: 45vw; height: 45vw;
    background: radial-gradient(circle, rgba(104, 9, 247, 0.15) 0%, transparent 60%);
    bottom: -15%; left: 20%;
    animation: orbFloat3 22s var(--ease-fluid) infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(5vw, 5vh); }
    66% { transform: translate(-2vw, 8vh); }
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-6vw, -5vh); }
    66% { transform: translate(3vw, -8vh); }
}

@keyframes orbFloat3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-4vw, -4vh); }
}

/* 导航栏 */
nav .menu {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: relative;
    z-index: 10;
    background: rgba(10, 10, 26, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.website_name {
    color: var(--ymzs1-color);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: 2px;
    text-shadow: 0 0 10px var(--ymzs1-color);
    cursor: pointer;
    transition: transform 0.3s var(--ease-spring);
}

.website_name:hover { transform: scale(1.05); }

.menu_links { display: flex; gap: 40px; }
.menu_links .link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 2px;
    position: relative;
    transition: color 0.3s;
}

.menu_links .link::after {
    content: '';
    position: absolute;
    width: 0; height: 2px;
    bottom: -5px; left: 0;
    background: var(--ymzs2-color);
    transition: width 0.3s var(--ease-spring);
}
.menu_links .link:hover { color: var(--ymzs2-color); }
.menu_links .link:hover::after { width: 100%; }

/* 找到并替换 .main-content */
.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;      /* 确保内容在垂直方向居中，不会掉到最底下 */
    min-height: calc(100vh - 160px); /* 减去顶部导航80px和底部页脚的大致高度，撑开主区域 */
    padding: 40px 20px;
    z-index: 2;
    position: relative;
}
/* 强制让粒子画布脱离文档流，不再占据实际空间 */
#particles-js {
    position: fixed; /* 改为 fixed，使其相对于视口固定，不影响其他元素布局 */
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;     /* 确保它在最底层 */
    pointer-events: none; /* 防止画布拦截鼠标事件，确保下方的卡片和按钮能被正常点击 */
}

/* 显式声明画布本身的样式，防止被 JS 插件默认生成的 inline 样式覆盖 */
.particles-js-canvas-el {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: 0 !important;
    vertical-align: bottom; /* 消除某些浏览器下 canvas 底部自带的空隙 */
}

/* 找到并替换 .container-box */
.container-box {
    width: 100%;
    max-width: 950px;
    padding: 3rem;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    position: relative;
    
    /* 修正这里的动画：确保最终状态停留在 translateY(0) */
    animation: containerFadeIn 0.8s var(--ease-spring) forwards; 
}

/* 确保动画关键帧最后是完全归位的 */
@keyframes containerFadeIn {
    from { 
        opacity: 0; 
        transform: translateY(40px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); /* 归位到正中心 */
    }
}

h1.main-title {
    font-size: 3.5rem;
    text-align: center;
    background: linear-gradient(to right, var(--ymzs1-color), var(--ymzs2-color));
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: 3px;
    margin-bottom: 0.5rem;
}

.subtitle {
    text-align: center;
    color: #a0a0ff;
    letter-spacing: 4px;
    margin-bottom: 3rem;
}

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

.link-card {
    background: rgba(30, 30, 50, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s, box-shadow 0.3s;
    transform-style: preserve-3d;
}

.link-card:hover {
    border-color: var(--ymzs2-color);
    box-shadow: 0 10px 30px rgba(9, 247, 247, 0.15);
}

.link-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transform: translateZ(20px);
}

.link-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--ymzs2-color);
    margin-bottom: 0.5rem;
    transform: translateZ(15px);
}

.link-card:hover .link-title { color: #fff; }

.link-url {
    font-size: 0.85rem;
    color: #8888ff;
    margin-bottom: 1.5rem;
    transform: translateZ(10px);
}

/* 按钮 */
.btn {
    background: transparent;
    border: 1px solid var(--ymzs2-color);
    border-radius: 30px;
    color: var(--ymzs2-color);
    padding: 0.6rem 1.8rem;
    cursor: pointer;
    font-weight: bold;
    font-family: inherit;
    transition: all 0.3s ease;
    transform: translateZ(25px);
}

.btn:hover {
    background: var(--ymzs2-color);
    color: var(--background-dark);
}

.btn.copy-btn { border-color: var(--ymzs1-color); color: var(--ymzs1-color); }
.btn.copy-btn:hover { background: var(--ymzs1-color); color: var(--background-dark); }

/* 通知组件 */
.notification {
    position: fixed;
    top: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: rgba(10, 10, 20, 0.9);
    color: var(--ymzs1-color);
    padding: 12px 25px;
    border-radius: 30px;
    border: 1px solid var(--ymzs1-color);
    opacity: 0;
    transition: all 0.4s var(--ease-spring);
    z-index: 2000;
}

.notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1001;
}

.modal-content {
    background: var(--background-dark);
    margin: 10% auto;
    padding: 2rem;
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    color: var(--text-light);
}

.close { float: right; font-size: 28px; cursor: pointer; color: var(--ymzs2-color); }
.close:hover { color: var(--ymzs1-color); }
.modal-title { color: var(--ymzs2-color); margin-bottom: 1rem; border-bottom: 1px solid var(--glass-border); padding-bottom: 0.5rem; }
.modal-text { line-height: 1.6; margin-bottom: 0.8rem; }
.highlight { color: var(--ymzs1-color); }

/* 光标 */
.cursor-glow, .cursor-dot {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.cursor-glow {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(9,247,247,0.15) 0%, transparent 60%);
    transition: opacity 0.3s;
}

.cursor-dot {
    width: 6px; height: 6px;
    background: var(--ymzs2-color);
    box-shadow: 0 0 10px var(--ymzs2-color);
}

/* 页脚 */
footer { padding: 2rem; text-align: center; border-top: 1px solid var(--glass-border); }
.footer-links { display: flex; justify-content: center; gap: 20px; margin-bottom: 1rem; }
.footer-link { color: var(--ymzs2-color); text-decoration: none; font-size: 0.9rem; }
.footer-link:hover { color: var(--ymzs1-color); }

@media screen and (max-width: 768px) {
    h1.main-title { font-size: 2.2rem; }
    .grid { grid-template-columns: 1fr; }
    .cursor-glow, .cursor-dot { display: none; }
}