@import url('../fonts/fonts.css');

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: #f8fafc;
    color: #0f172a;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- 动态流体背景 --- */
.ambient-light {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: #f8fafc;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: #e0e7ff;
    animation-delay: 0s;
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: #fce7f3;
    animation-delay: -5s;
}

.blob-3 {
    top: 30%;
    left: 30%;
    width: 40vw;
    height: 40vw;
    background: #ccfbf1;
    animation-delay: -10s;
}

@keyframes float {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

/* --- 高级磨砂质感 --- */
.glass {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.glass-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 10px 15px -3px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    border-color: #a5b4fc;
}

/* --- 隐藏滚动条但保持滚动功能 --- */
.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* --- 语言切换下拉菜单 --- */
.lang-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    z-index: 1000;
    padding: 8px;
    animation: dropdownFadeIn 0.2s ease-out;
}

.lang-dropdown.show {
    display: block;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    color: #475569;
    text-decoration: none;
}

.lang-option:hover {
    background: rgba(99, 102, 241, 0.1);
    color: #4f46e5;
    transform: translateX(2px);
}

.lang-option.active {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    font-weight: 600;
}

.lang-option .flag {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

#lang-button {
    position: relative;
}

/* --- 滚动显现 --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* --- 3D 浮动动画 --- */
@keyframes float-y {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

.animate-float-y {
    animation: float-y 6s ease-in-out infinite;
}

/* --- 按钮光效 --- */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0) 100%);
    transform: skewX(-25deg);
    animation: shine 6s infinite;
}

@keyframes shine {
    0%,
    50% {
        left: -100%;
    }
    100% {
        left: 200%;
    }
}

/* --- 导航链接样式 --- */
.nav-link {
    color: #475569;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.nav-link:hover {
    color: #4f46e5;
}

/* --- 移动端菜单链接 --- */
.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    color: #475569;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.mobile-menu-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: #4f46e5;
}

/* --- 评价滚动动画 --- */
@keyframes marquee {
    0% { 
        transform: translateX(0); 
    }
    100% { 
        transform: translateX(-50%); 
    }
}

.animate-marquee {
    display: flex;
    animation: marquee 40s linear infinite;
    will-change: transform;
}

.animate-marquee:hover {
    animation-play-state: paused;
}

/* 移动端导航 */
@media (max-width: 640px) {
    #mobile-nav {
        display: flex;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(0, 0, 0, 0.05);
    }
}

@media (min-width: 641px) {
    #mobile-nav {
        display: none;
    }
}