/* 博天堂体育 - 独特视觉设计系统 */
/* 风格：杂志风·珊瑚韵律 — 大胆层叠与动态网格 */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: #FFFAF5;
    color: #2D3436;
    line-height: 1.6;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FFF5EE;
}
::-webkit-scrollbar-thumb {
    background: #FF6B5B;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #E85A4A;
}

/* 核心布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
    position: relative;
}

.section:nth-child(even) {
    background: #FFF5EE;
}

/* 装饰性背景元素 */
.section::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(69, 229, 200, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.section:nth-child(even)::before {
    background: radial-gradient(circle, rgba(255, 107, 91, 0.08) 0%, transparent 70%);
    top: auto;
    bottom: -40px;
    right: -40px;
}

/* 导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 250, 245, 0.92);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 2px solid rgba(255, 107, 91, 0.12);
    transition: box-shadow 0.3s;
}

.site-header.scrolled {
    box-shadow: 0 4px 30px rgba(255, 107, 91, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
    color: #2D3436;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 107, 91, 0.3);
    transition: transform 0.3s;
}

.logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.05);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #2D3436;
    transition: all 0.3s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FF6B5B, #45E5C8);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.main-nav a:hover {
    color: #FF6B5B;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A) !important;
    box-shadow: 0 4px 16px rgba(255, 107, 91, 0.3);
    transition: all 0.3s !important;
    border: none !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 24px rgba(255, 107, 91, 0.4) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 26px;
    height: 2.5px;
    background: #2D3436;
    border-radius: 4px;
    transition: all 0.3s;
}

/* Hero区域 */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 72px;
    background: linear-gradient(165deg, #FFFAF5 0%, #FFF0E8 40%, #E8FFF8 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(69, 229, 200, 0.12) 0%, transparent 60%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 91, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #45E5C8, #6BEDD5);
    color: #fff;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(69, 229, 200, 0.25);
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #1A1A2E;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.7;
    color: #4A4A5A;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(255, 107, 91, 0.15), 0 8px 24px rgba(0, 0, 0, 0.05);
    transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
    transition: transform 0.6s ease;
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(1deg) translateY(-4px);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A);
    box-shadow: 0 4px 20px rgba(255, 107, 91, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(255, 107, 91, 0.45);
}

.btn-outline {
    background: transparent;
    border: 2px solid #FF6B5B;
    color: #FF6B5B;
}

.btn-outline:hover {
    background: rgba(255, 107, 91, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 107, 91, 0.15);
}

/* 标签/标题 */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 12px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #45E5C8, #6BEDD5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    color: #1A1A2E;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    margin-bottom: 48px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #4A4A5A;
}

/* 卡片网格 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 28px;
}

.category-card {
    border-radius: 20px;
    padding: 32px 28px;
    border: 2px solid rgba(255, 107, 91, 0.08);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 91, 0.04), rgba(69, 229, 200, 0.04));
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(255, 107, 91, 0.12), 0 4px 16px rgba(0, 0, 0, 0.04);
    border-color: rgba(255, 107, 91, 0.2);
}

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

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A);
    color: #fff;
    box-shadow: 0 6px 16px rgba(255, 107, 91, 0.25);
    position: relative;
    z-index: 1;
    transition: transform 0.3s;
}

.category-card:hover .card-icon {
    transform: scale(1.05) rotate(-4deg);
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.category-card p {
    font-size: 0.9rem;
    opacity: 0.6;
    line-height: 1.6;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.card-link {
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    color: #FF6B5B;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
    position: relative;
    z-index: 1;
}

.card-link:hover {
    gap: 12px;
}

.card-link::after {
    content: '→';
    transition: transform 0.3s;
}

/* 特性块 */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
    transition: transform 0.5s ease;
    position: relative;
}

.feature-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 91, 0.06), rgba(69, 229, 200, 0.06));
    border-radius: 20px;
}

.feature-image:hover {
    transform: scale(1.01);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.feature-text p {
    font-size: 1rem;
    opacity: 0.7;
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '✦';
    font-weight: 700;
    color: #45E5C8;
    font-size: 1.1rem;
}

/* 数据条 */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    padding: 32px 20px;
    border-radius: 20px;
    border: 2px solid rgba(255, 107, 91, 0.06);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    transition: all 0.4s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    border-color: rgba(69, 229, 200, 0.2);
    box-shadow: 0 8px 32px rgba(69, 229, 200, 0.1);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-top: 8px;
    font-weight: 500;
    color: #4A4A5A;
}

/* 内容墙 */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid rgba(255, 107, 91, 0.06);
    background: #fff;
    transition: all 0.4s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(255, 107, 91, 0.1), 0 4px 16px rgba(0, 0, 0, 0.04);
    border-color: rgba(255, 107, 91, 0.15);
}

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.content-wall-item:hover img {
    transform: scale(1.03);
}

.content-wall-body {
    padding: 24px;
}

.content-wall-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.content-wall-body p {
    font-size: 0.9rem;
    opacity: 0.6;
    line-height: 1.6;
}

.content-wall-body .meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 2px solid rgba(255, 107, 91, 0.06);
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 107, 91, 0.15);
}

.faq-item .faq-question {
    padding: 20px 24px;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    color: #1A1A2E;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: #FF6B5B;
    transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-item .faq-answer {
    padding: 0 24px 20px;
    display: none;
    opacity: 0.7;
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-item.open {
    border-color: rgba(255, 107, 91, 0.2);
    background: rgba(255, 255, 255, 0.8);
}

/* CTA横幅 */
.cta-banner {
    padding: 72px 48px;
    text-align: center;
    border-radius: 24px;
    background: linear-gradient(135deg, #FF6B5B, #FF8A7A, #FF6B5B);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(255, 107, 91, 0.3);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    animation: ctaShimmer 8s ease-in-out infinite alternate;
}

@keyframes ctaShimmer {
    0% {
        transform: translate(-10%, -10%) rotate(0deg);
    }
    100% {
        transform: translate(10%, 10%) rotate(5deg);
    }
}

.cta-banner h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #FF6B5B;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* 页脚 */
.site-footer {
    padding: 64px 0 28px;
    background: #1A1A2E;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF6B5B, #45E5C8, #FF6B5B);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 16px;
}

.footer-brand p {
    opacity: 0.5;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.footer-col ul li a:hover {
    color: #FF6B5B;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.4;
    letter-spacing: 0.5px;
}

/* 工具类 */
.text-accent {
    color: #FF6B5B;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.7;
    font-size: 1.05rem;
    line-height: 1.7;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

/* 额外装饰类 */
.gradient-text {
    background: linear-gradient(135deg, #FF6B5B, #45E5C8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(69, 229, 200, 0.12);
    color: #45E5C8;
    letter-spacing: 0.5px;
}

.divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FF6B5B, #45E5C8);
    border-radius: 4px;
    margin: 16px 0 24px;
}

.divider-center {
    margin: 16px auto 24px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 2.6rem;
    }

    .hero-image {
        transform: none;
    }

    .hero-image:hover {
        transform: translateY(-4px);
    }

    .feature-block {
        gap: 40px;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 64px 0;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-block .feature-image {
        order: -1;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(255, 250, 245, 0.98);
        backdrop-filter: blur(16px);
        padding: 24px 32px;
        gap: 20px;
        border-bottom: 2px solid rgba(255, 107, 91, 0.08);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .cta-banner {
        padding: 48px 24px;
    }

    .cta-banner h2 {
        font-size: 1.6rem;
    }

    .content-wall-item img {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .section {
        padding: 48px 0;
    }

    .stat-item {
        padding: 24px 16px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero {
        padding: 90px 0 40px;
    }

    .header-inner {
        height: 64px;
    }

    .main-nav.open {
        top: 64px;
        padding: 20px 24px;
    }

    .category-card {
        padding: 24px 20px;
    }

    .feature-text h2 {
        font-size: 1.5rem;
    }

    .faq-item .faq-question {
        padding: 16px 18px;
        font-size: 0.9rem;
    }

    .faq-item .faq-answer {
        padding: 0 18px 16px;
    }

    .cta-banner h2 {
        font-size: 1.4rem;
    }

    .footer-brand {
        max-width: 100%;
    }
}

/* 汉堡菜单动画 */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 选中状态高亮 */
.main-nav a.active {
    color: #FF6B5B;
}

.main-nav a.active::after {
    width: 100%;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
    background: rgba(255, 107, 91, 0.2);
    color: #1A1A2E;
}

/* 焦点样式 */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #FF6B5B;
    outline-offset: 4px;
    border-radius: 4px;
}

/* 玻璃态卡片扩展 */
.glass-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 107, 91, 0.08);
    border-radius: 20px;
}

/* 动画关键帧 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-in-delay-1 {
    animation-delay: 0.1s;
}

.animate-in-delay-2 {
    animation-delay: 0.2s;
}

.animate-in-delay-3 {
    animation-delay: 0.3s;
}