@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700&display=swap');

body {
    font-family: 'Noto Sans TC', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    scroll-behavior: smooth;
}

.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate-visible {
    opacity: 1;
    transform: translateY(0);
}

.faq-answer {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out, opacity 0.3s ease-in-out;
}
/* Hero Background Subtle Texture */
#hero .absolute.inset-0 img {
    filter: contrast(1.1) brightness(1.1);
}

/* Feature Card Styling */
.feature-card {
    background-color: #fff; /* white */
    padding: 2rem;
    border-radius: 0.75rem; /* 12px */
    box-shadow: 0 10px 15px -3px rgba(236, 72, 153, 0.07), 0 4px 6px -2px rgba(236, 72, 153, 0.05); /* subtle pink shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(236, 72, 153, 0.1), 0 10px 10px -5px rgba(236, 72, 153, 0.08);
}

/* Benefit Item Styling */
.benefit-item {
    background-color: #FEF6F8; /* pink-50 */
    padding: 1.5rem;
    border-radius: 0.5rem; /* 8px */
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}
.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px -2px rgba(236,72,153,0.1);
}
.benefit-item i {
    margin-bottom: 0.75rem;
}

/* Trust Item Styling */
.trust-item {
    background-color: #fff;
    padding: 2rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.trust-item i {
    color: #DB2777; /* pink-600 */
}

/* Testimonial Card Styling */
.testimonial-card {
    background-color: #FFF0F5; /* Softer pink, e.g., LavenderBlush */
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid #F472B6; /* pink-400 */
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* Usage Guide Step Styling */
.usage-step {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.usage-number {
    background-color: #FBCFE8; /* pink-200 */
    color: #9D174D; /* pink-700 */
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.125rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

/* FAQ Styling */

.faq-item {
    background-color: #FEF6F8; /* pink-50 */
    border-radius: 0.375rem; /* 6px */
    border: 1px solid #FCE7F3; /* pink-100 */
    overflow: hidden; /* 確保展開/收起時內容不會溢出 */
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: #475569; /* slate-600 */
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background-color: #FCE7F3; /* pink-100 */
}

.faq-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: #EC4899; /* pink-500 */
}

.faq-item.open .faq-icon {
    transform: rotate(180deg); /* 改變圖標方向 */
}

.faq-answer {
    padding: 0 1.25rem; /* 初始時無內邊距 */
    color: #64748B; /* slate-500 */
    line-height: 1.6;
    max-height: 0; /* 初始高度為 0 */
    overflow: hidden; /* 隱藏溢出的內容 */
    opacity: 0; /* 初始透明度 */
}

.faq-item.open .faq-answer {
    max-height: 500px; /* 或者設置為足夠大的值，確保內容完全展開 */
    padding-top: 0.75rem;
    padding-bottom: 1.25rem;
    opacity: 1; /* 展開時設置為完全可見 */
}

/* Custom scrollbar for a more polished look - Optional */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #fde6f0; /* Lighter pink for track */
}
::-webkit-scrollbar-thumb {
    background: #F472B6; /* Main accent pink */
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #DB2777; /* Darker pink on hover */
}

/* Header styling */
#sticky-header {
    /* Initial style (transparent) - This is handled by JS for scroll effect */
}