/*自定义字体*/
@font-face {
    font-family: 'MyCustomFont';
    src: url('../assets/fonts/file.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'MyCustomFont1';
    src: url('../assets/fonts/file1.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'MyCustomFont2';
    src: url('../assets/fonts/file2.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'MyCustomFont3';
    src: url('../assets/fonts/file3.ttf');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'MyCustomFont4';
    src: url('../assets/fonts/file4.otf');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'MyCustomFont5';
    src: url('../assets/fonts/file5.ttf');
    font-weight: normal;
    font-style: normal;
}

#logoText {
    font-family: 'MyCustomFont3';
    font-size: x-large;
}

.nav-links {
    font-family: 'MyCustomFont3';
}

/* 全局样式 */

:root {
    --primary-color: #88f28b;
    --secondary-color: #FF6B6B;
    --accent-color: #F9CA24;
}

body {
    font-family: 'Comic Neue', cursive;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    margin: 0;
    line-height: 1.6;
    overflow-x: hidden;

}

/* 动态背景装饰 */
.deco-bubble {
    position: fixed;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    animation: float 15s infinite;
    z-index: -1;
    will-change: transform;
    /* 性能优化 */
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* 语言切换 */
.lang-switch {
    position: fixed;
    top: 20px;
    right: 30px;
    z-index: 1000;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}

.lang-btn:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

/* 标题动画 */
header {
    padding: 100px 20px 60px;
    background: linear-gradient(45deg, #0a0a0a 0%, #0a1922 100%);
    /* clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%); */
    position: relative;
    overflow: hidden;
    /* color: rgb(24, 50, 5);
            font-weight: bolder;
            background-image: url("/public/image/Home-head.png");
            background-size: cover;
            background-position: center;
            background-position: center top -70px;
            background-repeat: no-repeat; */
}

.header-content {
    /* max-width: 800px; */
    margin: 20px auto;
    position: relative;

}

h1 {
    font-size: 3.5em;
    text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
    animation: titleGlow 2s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    from {
        text-shadow: 0 0 10px var(--primary-color);
    }

    to {
        text-shadow: 0 0 20px var(--secondary-color);
    }
}

/* 时间轴样式 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 50px auto;
    padding: 40px 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    box-shadow: 0 0 15px var(--primary-color);
}

.timeline-item {
    padding: 20px;
    position: relative;
    width: 50%;
    animation: slideIn 0.6s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes mobileSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    position: relative;
    transition: transform 0.3s;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* 卡片翻转效果 */
.flip-card {
    perspective: 1000px;
    width: 300px;
    height: 400px;
    margin: 20px 20px;
    float: left;
}

#pogaiMemeCard {
    display: flex;
}

/* 平板和桌面端布局 */
@media (min-width: 768px) {
    #pogaiMemeCard {
        flex-direction: row;
        justify-content: center;
        padding: 40px 30px;

    }

    #hot-video {
        width: 60% !important;
        margin-left: 20% !important;
    }
}

/* 移动端优化 */
@media (max-width: 480px) {
    #pogaiMemeCard {
        flex-direction: column !important;
        padding-top: 20% !important;
    }

    #hot-video {
        width: 100% !important;
        margin: 0 !important;
    }

    html {
        overflow-x: hidden;
    }

    .timeline,
    .timeline-item:nth-child(2n+1) {
        text-align: center !important;
    }
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    will-change: transform;
    /* 性能优化 */
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 15px;
    overflow: hidden;
}

.flip-card-front {
    background: #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flip-card-back {
    background: black;
    transform: rotateY(180deg);
    padding: 20px;
    color: #fff;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 15px;
    font-family: "MyCustomFont3";
}

/* 联系方式特效 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 40px auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.5);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    color: #fff;
    cursor: pointer;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(116, 205, 118, 0.8));
    transform: rotate(45deg);
    transition: 0.5s;
}

.contact-card:hover::before {
    top: 0;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .timeline::after {
        left: 0;
    }

    .timeline-item {
        width: 100%;
        left: 0;
        animation: mobileSlideIn 0.6s ease-out;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .flip-card {
        float: none;
        margin: 20px auto;
        width: 80%;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.5em;
    }
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
}

/* 导航容器 */
.nav-container {
    background: #000;
    padding: 1rem 2rem;
    position: fixed;
    width: 100vw;
    z-index: 1000;
    top: 0;
}

/* 主导航栏 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo样式 */
.logo {
    width: 120px;
}

/* 桌面导航菜单 */
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ffd700;
    /* 金色高亮 */
}

/* 移动端汉堡菜单按钮 */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background: #fff;
    transition: all 0.3s;
}

/* 移动端菜单激活状态 */
.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 移动端菜单样式 */
@media (max-width: 768px) {
    .hamburger {
        display: block;
        z-index: 100;
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background: #000;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        /* padding: 1rem 0; */
    }

    .nav-links.active {
        right: 0;
        z-index: 100;
        bottom: 122px;
    }

    .nav-links li {
        margin: 1rem 0;
    }
}

#go-to-buy {
    /* 基础样式 */
    padding: 18px 40px;
    margin-top: 20px;
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);

    /* 深色渐变背景 */
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);

    /* 3D立体效果 */
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.3),
        inset 0 2px 4px rgba(255, 255, 255, 0.1);
}

/* 流动光效 */
#go-to-buy::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;

    background: linear-gradient(45deg,
            transparent 25%,
            rgba(255, 255, 255, 0.1) 50%,
            transparent 75%);
    animation: lightFlow 4s infinite linear;
}

/* 点击涟漪效果 */
#go-to-buy::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

@keyframes lightFlow {
    0% {
        transform: rotate(0deg) translate(-25%, -25%);
    }

    100% {
        transform: rotate(360deg) translate(-25%, -25%);
    }
}

/* 悬停效果 */
#go-to-buy:hover {
    transform: scale(1.05);
    box-shadow:
        0 6px 25px rgba(0, 0, 0, 0.4),
        inset 0 3px 6px rgba(255, 255, 255, 0.15);
}

/* 点击效果 */
#go-to-buy:active::after {
    width: 200px;
    height: 200px;
}

/* 文字渐变 */
#go-to-buy span {
    position: relative;
    z-index: 1;
    background: linear-gradient(90deg, #fcfcfc, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* CSS 容器样式 */
#chart-container {
    width: 80vw;
    max-width: 600px;
    margin: 20px auto;
    position: relative;
    transition: transform 0.3s;
}

#chart-container:hover {
    transform: scale(1.02);
}

.flip-card-front img {
    width: 100%;
    /* 宽度撑满父容器 */
    height: 100%;
    /* 高度撑满父容器 */
    object-fit: cover;
    object-position: center;
    /* 控制裁剪位置（可选） */
}

.card1 {
    background-image: url("../images/cards1.jpg");
    /* 3. 关键属性：背景填充 */
    background-size: cover;
    /* 保持比例 + 完全覆盖容器（可能裁剪） */
    background-position: center;
    /* 图片居中显示 */
    background-repeat: no-repeat;
    /* 禁止重复平铺 */
}

.card2 {
    background-image: url("../images/cards2.jpg");
    /* 3. 关键属性：背景填充 */
    background-size: cover;
    /* 保持比例 + 完全覆盖容器（可能裁剪） */
    background-position: center;
    /* 图片居中显示 */
    background-repeat: no-repeat;
    /* 禁止重复平铺 */
}

.card3 {
    background-image: url("../images/cards3.jpg");
    /* 3. 关键属性：背景填充 */
    background-size: cover;
    /* 保持比例 + 完全覆盖容器（可能裁剪） */
    background-position: center;
    /* 图片居中显示 */
    background-repeat: no-repeat;
    /* 禁止重复平铺 */
}

.card4 {
    background-image: url("../images/cards4.jpg");
    /* 3. 关键属性：背景填充 */
    background-size: cover;
    /* 保持比例 + 完全覆盖容器（可能裁剪） */
    background-position: center;
    /* 图片居中显示 */
    background-repeat: no-repeat;
    /* 禁止重复平铺 */
}

#Chart {
    display: flex;

}

#dao {
    margin-top: 15px;
    padding: 12px 25px;
    font-size: clamp(1rem, 4vw, 1.2rem);
    background: transparent;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 2px white, 0 0 3px black;
}

#dao:hover {
    background: rgba(255, 255, 255, 0.05);
    transition: .5s;
}

/* 平板和桌面端布局 */
@media (min-width: 768px) {
    #home.header-content {
        flex-direction: row;
        justify-content: center;
        padding: 40px 30px;
    }

    #home>div:first-child {
        padding: 0 5% 30px 5%;
        max-width: 700px;
    }

    #home img {
        max-width: 400px;
        padding-right: 5%;
    }
}

/* 移动端优化 */
@media (max-width: 480px) {
    #mainTitle {
        margin-bottom: 15px;
    }

    #subTitle {
        text-align: left;
        line-height: 1.5;
    }

    button#go-to-buy {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;

    }

    #home {
        flex-direction: column !important;
        padding-top: 20% !important;
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        padding: 30px 15px !important;
    }

    .header-content>div {
        min-width: unset !important;
        max-width: 100% !important;
        padding: 20px 0 !important;
    }

    #about {
        margin-bottom: 1em !important;
    }

    #subTitle_about {
        text-align: left !important;
        font-size: 1rem !important;
        line-height: 1.6 !important;
    }

    #abouts img {
        max-width: 220px !important;
    }
}

/* 小屏手机优化 */
@media (max-width: 480px) {
    #about {
        font-size: 1.8rem !important;
    }

    #abouts img {
        max-width: 180px !important;
    }
}

/* 泡泡动画 */
@keyframes bubble {
    0% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.15);
    }

    50% {
        transform: scale(0.95);
    }

    75% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

.playing-bubble {
    animation: bubble 0.8s infinite ease-in-out;
    box-shadow: 0 0 15px rgba(100, 200, 255, 0.7);
}

/* 音符动画 */
.music-note {
    position: absolute;
    font-size: 18px;
    color: rgba(255, 215, 0, 0.8);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    animation: float-up 2s ease-out forwards;
    user-select: none;
}

@keyframes float-up {
    0% {
        transform: translateY(0) scale(0.8);
        opacity: 1;
    }

    100% {
        transform: translateY(-100px) scale(1.2);
        opacity: 0;
    }
}