.banner {
    background: url("../img/bg2.jpg") center/cover no-repeat;
    position: relative;
}

/* Service 介紹區域 */
.service-intro {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(32px, 6vw, 64px);
    align-items: start;
    margin-top: clamp(24px, 4vw, 32px);
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.intro-content p {
    font-size: clamp(16px, 2.2vw, 18px);
    line-height: 1.8;
    color: var(--131334);
    margin-bottom: 24px;
    max-width: 100%;
    transition: color 0.3s ease;
}

.intro-content p strong {
    color: var(--A3CFEB);
    font-weight: 800;
    position: relative;
}

.intro-content p strong::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--A3CFEB), var(--ADFFF5));
    border-radius: 1px;
    opacity: 0.3;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(16px, 3vw, 24px);
    height: fit-content;
}

.stat-item {
    text-align: center;
    padding: clamp(20px, 3vw, 24px) 16px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--F5F7FB), var(--FFFFFF));
    border: 1px solid rgba(19, 19, 52, .08);
    box-shadow: var(--shadow-1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--A3CFEB), var(--ADFFF5));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2);
    border-color: rgba(163, 207, 235, .28);
    background: linear-gradient(145deg, var(--FFFFFF), rgba(163, 207, 235, 0.02));
}

.stat-number {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 900;
    color: var(--A3CFEB);
    margin-bottom: 8px;
    line-height: 1;
    transition: all 0.3s ease;
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
    color: var(--131334);
}

.stat-label {
    font-size: clamp(12px, 1.8vw, 14px);
    color: var(--AAAAAA);
    font-weight: 600;
    transition: color 0.3s ease;
    letter-spacing: 0.05em;
}

.stat-item:hover .stat-label {
    color: var(--131334);
}


/* Products 區域 */
.products .fcard {
    background: linear-gradient(145deg, var(--FFFFFF), var(--F5F7FB));
    border-radius: var(--radius-xl);
    padding: clamp(28px, 4vw, 40px) clamp(24px, 3vw, 32px);
    box-shadow: var(--shadow-1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: start;
    background: linear-gradient(145deg, var(--F5F7FB), var(--FFFFFF));
    border: 1px solid rgba(19, 19, 52, .2);
    outline: none;
    isolation: isolate;
}

.products .fcard::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--A3CFEB), var(--ADFFF5));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.products .fcard::after {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(50% 50% at 50% 50%, var(--A3CFEB), transparent 70%);
    opacity: 0;
    filter: blur(60px);
    transition: opacity 0.4s ease;
}

.products .fcard:hover::before {
    transform: scaleX(1);
}

.products .fcard:hover::after {
    opacity: 0.08;
}

.products .fcard:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2);
    border-color: rgba(163, 207, 235, .28);
    background: linear-gradient(145deg, var(--FFFFFF), rgba(163, 207, 235, 0.02));
}

.products .fcard .head {
    display: flex;
    align-items: center;
    gap: clamp(16px, 3vw, 20px);
    margin: auto;
    margin-bottom: clamp(24px, 4vw, 32px);
    padding-bottom: clamp(16px, 3vw, 20px);
    border-bottom: 1px solid rgba(19, 19, 52, .08);
    flex-shrink: 0;
}

.products .fcard .icon {
    width: clamp(48px, 7vw, 56px);
    height: clamp(48px, 7vw, 56px);
    border-radius: 16px;
    background: radial-gradient(100% 100% at 30% 20%, var(--ADFFF5), var(--A3CFEB));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(22px, 3.5vw, 28px);
    border: 1px solid rgba(255, 255, 255, .6);
    box-shadow: var(--shadow-1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--0F1830);
    flex-shrink: 0;
}

.products .fcard:hover .icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-2);
}

.products .fcard .title {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 900;
    color: var(--131334);
    margin: 0;
    letter-spacing: 0.02em;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.products .fcard:hover .title {
    color: var(--0F1830);
}

.products .fcard .points {
    list-style: none;
    padding: 0;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: clamp(12px, 2vw, 16px);
    flex: 1;
}

.products .fcard .points li {
    position: relative;
    padding-left: clamp(28px, 4vw, 32px);
    color: var(--131334);
    line-height: 1.7;
    font-size: clamp(14px, 2vw, 16px);
    transition: all 0.3s ease;
}

.products .fcard .points li:hover {
    transform: translateX(4px);
}

.products .fcard .points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--A3CFEB);
    font-weight: bold;
    font-size: clamp(16px, 2.5vw, 18px);
    filter: drop-shadow(0 0 8px rgba(163, 207, 235, 0.5));
    transition: all 0.3s ease;
}

.products .fcard .points li:hover::before {
    color: var(--131334);
    transform: scale(1.2);
}

/* ------------------
        RWD 響應式設計
   ------------------ */


/* 平板尺寸 (1024px 以下) */
@media (max-width: 1024px) {
    #service {
        padding: 60px 5vw;
    }
    
    .service-intro {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .intro-content {
        order: 1;
    }
    
    .intro-stats {
        order: 2;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .products .fcard .head {
        justify-content: center;
        text-align: center;
    }
}

/* 平板橫向 (768px 以下) */
@media (max-width: 768px) {
    #service {
        padding: 50px 4vw;
    }
    
    .service-intro {
        gap: 32px;
    }
    
    .intro-stats {
        gap: 16px;
        max-width: 400px;
    }
    
    .stat-item {
        padding: 20px 16px;
        border-radius: 14px;
    }
    
    .products .fcard {
        padding: 28px 24px;
        border-radius: 20px;
    }
    
    .products .fcard .head {
        text-align: center;
        gap: 16px;
        margin-bottom: 24px;
        padding-bottom: 16px;
    }
    
    .products .fcard .icon {
        margin: 0 auto;
    }
    
    .products .fcard .points {
        gap: 14px;
    }
}

/* 手機橫向 (640px 以下) */
@media (max-width: 640px) {
    #service {
        padding: 40px 4vw;
    }
    
    #service p {
        font-size: 16px;
        margin-bottom: 20px;
    }
    
    .service-intro {
        gap: 24px;
    }
    
    .intro-content p {
        font-size: 15px;
        margin-bottom: 20px;
    }
    
    .stat-item {
        padding: 18px 14px;
    }
    
    .products .fcard {
        padding: 24px 20px;
    }
    
    .products .fcard .head {
        margin-bottom: 20px;
        padding-bottom: 14px;
    }
    
    .products .fcard .points li {
        padding-left: 24px;
        font-size: 14px;
    }
}

/* 手機直向 (480px 以下) */
@media (max-width: 480px) {
    #service {
        padding: 32px 4vw;
    }
    
    #service p {
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 16px;
    }
    
    .service-intro {
        gap: 20px;
    }
    
    .intro-content p {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 16px;
    }
    
    .stat-item {
        padding: 16px 12px;
        border-radius: 12px;
    }
    
    .stat-number {
        font-size: 24px;
        margin-bottom: 6px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .products .fcard {
        padding: 20px 16px;
        border-radius: 18px;
    }
    
    .products .fcard .head {
        gap: 12px;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }
    
    .products .fcard .icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
        border-radius: 12px;
    }
    
    .products .fcard .title {
        font-size: 18px;
    }
    
    .products .fcard .points {
        gap: 12px;
    }
    
    .products .fcard .points li {
        padding-left: 20px;
        font-size: 13px;
    }
}

/* 極小螢幕 (360px 以下) */
@media (max-width: 360px) {
    #service {
        padding: 24px 3vw;
    }
    
    #service p {
        font-size: 14px;
        margin-bottom: 14px;
    }
    
    .service-intro {
        gap: 16px;
    }
    
    .intro-content p {
        font-size: 13px;
        margin-bottom: 14px;
    }
    
    .stat-item {
        padding: 14px 10px;
    }
    
    .stat-number {
        font-size: 22px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .products .fcard {
        padding: 16px 12px;
    }
    
    .products .fcard .head {
        gap: 10px;
        margin-bottom: 14px;
        padding-bottom: 10px;
    }
    
    .products .fcard .icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .products .fcard .title {
        font-size: 16px;
    }
    
    .products .fcard .points li {
        padding-left: 18px;
        font-size: 12px;
    }
}

/* 觸控裝置優化 */
@media (hover: none) and (pointer: coarse) {
    .stat-item:hover,
    .products .fcard:hover {
        transform: none;
        box-shadow: var(--shadow-1);
    }
    
    .stat-item:hover::before,
    .products .fcard:hover::before {
        transform: scaleX(0);
    }
    
    .stat-item:hover .stat-number,
    .products .fcard:hover .icon {
        transform: none;
    }
    
    .products .fcard .points li:hover {
        color: var(--AAAAAA);
        transform: none;
    }
    
    .stat-item:active,
    .products .fcard:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
}