/* 全局样式 - 基于小程序 UI 规范 */
:root {
    --primary-pink: #d6336c;
    --bg-gradient: linear-gradient(135deg, #fff5f7 0%, #ffe4ec 50%, #ffd6e4 100%);
    --card-bg: linear-gradient(145deg, #ffffff 0%, #fff9fb 100%);
    --ssr-gradient: linear-gradient(135deg, #f72585 0%, #e91e8c 100%);
    --sr-color: #7209b7;
    --r-color: #3a86ff;
    --text-main: #3d2d2d;
    --text-sub: #9a7a7a;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 0 40px;
}

.app-icon-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 24px;
}

.app-icon {
    font-size: 80px;
    position: relative;
    z-index: 2;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(214, 51, 108, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.4); opacity: 0.8; }
}

.title {
    font-size: clamp(2rem, 8vw, 3.5rem);
    color: var(--primary-pink);
    font-weight: 800;
    margin: 0;
    letter-spacing: 2px;
}

.subtitle {
    font-size: clamp(1rem, 4vw, 1.4rem);
    color: var(--text-sub);
    margin-top: 15px;
    font-weight: 400;
}

/* Warm Words Section */
.warm-words {
    margin: 40px 0;
    display: flex;
    justify-content: center;
}

.quote-card {
    background: rgba(255, 255, 255, 0.5);
    padding: 20px 30px;
    border-radius: 20px;
    border-left: 4px solid var(--primary-pink);
    max-width: 500px;
    text-align: left;
}

.quote {
    font-style: italic;
    color: var(--text-main);
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.quote-author {
    color: var(--text-sub);
    font-size: 0.85rem;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 28px;
    text-align: center;
    border: 1px solid rgba(214, 51, 108, 0.08);
    box-shadow: 0 8px 24px rgba(214, 51, 108, 0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

/* Showcase & Card Scan Effect */
.showcase {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    color: var(--primary-pink);
    margin-bottom: 40px;
    font-size: 1.8rem;
}

.card-grid {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.preview-card {
    width: 180px;
    height: 280px;
    background: white;
    border-radius: 22px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
    overflow: hidden; /* For scan effect */
}

/* SSR Scan Effect */
.ssr::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: linear-gradient(
        45deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 45%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0.1) 55%,
        transparent 100%
    );
    transform: rotate(-45deg);
    animation: cardScan 4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes cardScan {
    0% { transform: translate(-100%, -100%) rotate(-45deg); }
    30%, 100% { transform: translate(100%, 100%) rotate(-45deg); }
}

.card-rarity {
    position: absolute;
    top: 18px;
    left: 18px;
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 1px;
}

.ssr { border: 4px solid #f72585; }
.ssr .card-rarity { color: #f72585; }
.sr { border: 4px solid var(--sr-color); }
.sr .card-rarity { color: var(--sr-color); }
.r { border: 4px solid var(--r-color); }
.r .card-rarity { color: var(--r-color); }

.card-name {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Footer */
footer {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(214, 51, 108, 0.1);
    color: var(--text-sub);
    font-size: 14px;
}

.icp {
    margin-top: 5px;
    opacity: 0.7;
}

@media (max-width: 600px) {
    .title { font-size: 2rem; }
    .hero { padding: 40px 0; }
}