/* 全域設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fcfcfc;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* Header 區域 */
.hero-section {
    background: linear-gradient(135deg, #fff5f6 0%, #ffffff 100%);
    padding: 60px 0 40px;
    text-align: center;
}

.announcement {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.announcement .icon {
    font-size: 2.5rem;
}

h1 {
    font-size: 2.2rem;
    color: #333;
    font-weight: 700;
}

.sub-title {
    font-size: 2rem;
    color: #222;
    margin-bottom: 20px;
}

.tagline {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

.solution-badge {
    display: inline-block;
    background: #00b894;
    color: white;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
}

/* 圖解區域 */
.pic-section {
    padding: 40px 0;
}

.visual-section {
    padding: 40px 0;
}

.sync-diagram {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.pc-box {
    width: 200px;
    height: 150px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    font-weight: bold;
    text-align: center;
}

.pc-a { background-color: #e91e63; box-shadow: 0 8px 0 #c2185b; }
.pc-b { background-color: #f39c12; box-shadow: 0 8px 0 #e67e22; }

.pc-box .label { font-size: 1.2rem; margin-bottom: 10px; }
.pc-box .content { font-size: 0.9rem; font-weight: normal; opacity: 0.9; }

.sync-arrow {
    flex-grow: 1;
    margin: 0 30px;
    text-align: center;
}

.arrow-text {
    font-size: 0.9rem;
    color: #00b894;
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
}

.arrow-line {
    height: 6px;
    background: #00b894;
    position: relative;
}

.arrow-line::before, .arrow-line::after {
    content: '';
    position: absolute;
    top: -5px;
    border: 8px solid transparent;
}
.arrow-line::before { left: -10px; border-right-color: #00b894; }
.arrow-line::after { right: -10px; border-left-color: #00b894; }

/* 特色區域 */
.features { padding: 60px 0; background-color: #fff; }
.section-title { text-align: center; margin-bottom: 40px; font-size: 1.5rem; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 30px;
    border: 1px solid #eee;
    border-radius: 15px;
    transition: transform 0.3s;
}

.feature-card:hover { transform: translateY(-10px); }
.feature-icon { font-size: 1.5rem; margin-bottom: 15px; }
.feature-card h4 { margin-bottom: 10px; color: #333; }
.feature-card p { font-size: 0.95rem; color: #777; }

/* 核心功能 */
.core-functions { padding: 40px 0; }
.functions-box {
    background: #f1f2f6;
    padding: 40px;
    border-radius: 20px;
}
.core-functions ul {
    list-style: none;
    max-width: 700px;
    margin: 0 auto;
}
.core-functions li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}
.core-functions li::before {
    content: '🌟';
    position: absolute;
    left: 0;
}

/* CTA 區域 */
.cta-section { padding: 60px 0; text-align: center; }
.cta-box {
    background: #fff;
    padding: 50px;
    border: 2px dashed #f39c12;
    border-radius: 30px;
}
.promo-text { font-size: 1.8rem; color: #d63031; margin-bottom: 10px; }
.cta-buttons {
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.btn {
    text-decoration: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: 0.3s;
    width: 100%;
    max-width: 400px;
}

.btn-primary { background: #e91e63; color: white; }
.btn-secondary { background: #f39c12; color: white; }
.btn-tertiary { background: aqua; color: black; }
.btn:hover { opacity: 0.9; transform: scale(1.05); cursor: default; }
.btn-tertiary:hover { cursor: pointer; }

.hashtags {
    margin-top: 30px;
    color: #999;
    font-size: 0.85rem;
}

/* 手機版適應 */
@media (max-width: 768px) {
    .sync-diagram { flex-direction: column; gap: 30px; }
    .sync-arrow { transform: rotate(90deg); margin: 40px 0; }
    h1 { font-size: 1.8rem; }
    .sub-title { font-size: 1.5rem; }
}