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

:root {
    /* Logo 相關顏色 - 藍色系 */
    --primary-blue: #0066FF;
    --bright-blue: #0080FF;
    --light-blue: #4D9AFF;
    --dark-blue: #0052CC;
    --blue-gradient: linear-gradient(135deg, #0066FF 0%, #0080FF 100%);
    
    /* Logo 相關顏色 - 黃色系 */
    --primary-yellow: #FFD700;
    --bright-yellow: #FFEB3B;
    --light-yellow: #FFF59D;
    --dark-yellow: #FFC107;
    --yellow-gradient: linear-gradient(135deg, #FFD700 0%, #FFEB3B 100%);
    
    /* 中性色 */
    --white: #FFFFFF;
    --black: #000000;
    --gray: #666666;
    --light-gray: #F5F5F5;
    --medium-gray: #CCCCCC;
    --dark-gray: #333333;
    
    /* 陰影 */
    --shadow-sm: 0 2px 8px rgba(0, 102, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 102, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 102, 255, 0.2);
    --shadow-yellow: 0 4px 16px rgba(255, 215, 0, 0.3);
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 26px;
    font-weight: 900;
    background: var(--blue-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    background: var(--blue-gradient);
    color: var(--white);
    padding: 180px 0 120px;
    text-align: center;
    margin-top: 75px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.hero-icon {
    flex-shrink: 0;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-logo {
    width: 150px;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.hero-logo:hover {
    transform: scale(1.1) rotate(5deg);
}

.hero-text {
    text-align: left;
    max-width: 600px;
}

.hero-text h1 {
    font-size: 72px;
    font-weight: 900;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 20px;
    color: var(--primary-yellow);
}

.hero-description {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-yellow);
    color: var(--primary-blue);
    box-shadow: var(--shadow-yellow);
}

.btn-primary:hover {
    background: var(--bright-yellow);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* Section Styles */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section h2 {
    font-size: 48px;
    font-weight: 900;
    background: var(--blue-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray);
    font-weight: 400;
}

.features-section .section-subtitle {
    color: var(--white);
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* About Section */
.about-section {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.feature-card {
    background: var(--white);
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--blue-gradient);
    opacity: 0.1;
    transition: left 0.3s ease;
}

.feature-card:hover::before {
    left: 0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-yellow);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.feature-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: var(--light-gray);
    border-radius: 30px;
    padding: 50px;
    margin-top: 40px;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

.about-text h2 {
    text-align: left;
    margin-bottom: 25px;
    font-size: 36px;
}

.about-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.about-text .highlight {
    background: var(--yellow-gradient);
    padding: 25px;
    border-radius: 15px;
    font-weight: 600;
    color: var(--primary-blue);
    border-left: 5px solid var(--primary-blue);
    margin-top: 20px;
}

/* Market Section */
.market-section {
    background: var(--blue-gradient);
    color: var(--white);
}

.market-section h2 {
    color: var(--white);
    -webkit-text-fill-color: var(--white);
}

.market-content {
    background: var(--white);
    border-radius: 30px;
    padding: 50px;
    color: var(--black);
    box-shadow: var(--shadow-lg);
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.stat-card {
    text-align: center;
    padding: 30px;
    background: var(--light-gray);
    border-radius: 20px;
    border: 2px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-yellow);
}

.stat-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.stat-desc {
    font-size: 14px;
    color: var(--gray);
}

.market-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.market-content .question {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-blue);
    padding: 20px;
    background: var(--light-yellow);
    border-radius: 15px;
    border-left: 5px solid var(--primary-blue);
}

/* Solution Section */
.solution-section {
    background: var(--light-gray);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: var(--white);
    border-radius: 30px;
    padding: 50px;
    border-left: 5px solid var(--primary-yellow);
    box-shadow: var(--shadow-md);
}

.solution-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.solution-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.solution-list {
    list-style: none;
    margin-top: 25px;
}

.solution-list li {
    font-size: 18px;
    padding: 12px 0;
    border-bottom: 1px solid var(--light-gray);
}

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

/* Product Section */
.product-section {
    background: var(--white);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.tab-btn {
    padding: 18px 50px;
    font-size: 18px;
    font-weight: 600;
    border: 2px solid var(--primary-blue);
    background: var(--white);
    color: var(--primary-blue);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-btn.active {
    background: var(--blue-gradient);
    color: var(--white);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content.active {
    display: block;
}

.product-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.product-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.demo-image {
    max-width: 100%;
    width: 100%;
    max-height: 550px;
    height: auto;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    display: block;
}

.demo-image:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 102, 255, 0.3);
}

.product-description {
    background: var(--light-gray);
    border-radius: 20px;
    padding: 45px 40px;
    border: 2px solid var(--primary-blue);
    height: fit-content;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-description h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 25px;
}

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

.feature-list li {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 15px;
    padding-left: 10px;
    color: var(--dark-gray);
}

/* Features Section */
.features-section {
    background: var(--blue-gradient);
    color: var(--white);
}

.features-section h2 {
    color: var(--white);
    -webkit-text-fill-color: var(--white);
}

.features-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.matching-features {
    background: var(--white);
    border-radius: 25px;
    padding: 40px;
    color: var(--black);
    box-shadow: var(--shadow-lg);
}

.matching-features h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 30px;
    border-bottom: 3px solid var(--primary-blue);
    padding-bottom: 15px;
}

.tag-section {
    margin-bottom: 35px;
}

.tag-section h4 {
    font-size: 22px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}

.tag {
    padding: 10px 20px;
    background: var(--light-gray);
    border-radius: 25px;
    font-size: 15px;
    color: var(--dark-gray);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.tag:hover {
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.tag.active {
    background: var(--light-blue);
    color: var(--primary-blue);
    font-weight: 600;
    border-color: var(--primary-blue);
}

.show-more {
    color: var(--gray);
    font-size: 15px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.show-more:hover {
    color: var(--primary-blue);
}

.resume-features {
    background: var(--yellow-gradient);
    border-radius: 25px;
    padding: 40px;
    color: var(--black);
    box-shadow: var(--shadow-yellow);
    display: flex;
    flex-direction: column;
}

.resume-image {
    margin-bottom: 25px;
}

.resume-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.resume-features h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 20px;
    border-bottom: 3px solid var(--black);
    padding-bottom: 15px;
}

.resume-features p {
    font-size: 17px;
    line-height: 1.8;
}

/* Advantage Section */
.advantage-section {
    background: var(--light-gray);
}

.comparison-table {
    background: var(--white);
    border-radius: 25px;
    padding: 40px;
    overflow-x: auto;
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    background: var(--blue-gradient);
    color: var(--white);
    padding: 20px;
    text-align: left;
    font-weight: 700;
    font-size: 18px;
}

table td {
    padding: 20px;
    border-bottom: 2px solid var(--light-gray);
    font-size: 16px;
}

table tr:hover {
    background: var(--light-gray);
}

table tr:last-child td {
    border-bottom: none;
}

table td:first-child {
    font-weight: 600;
    color: var(--primary-blue);
}

/* Contact Section */
.contact-section {
    background: var(--blue-gradient);
    color: var(--white);
    text-align: center;
}

.contact-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
    animation: float 3s ease-in-out infinite;
}

.contact-text h2 {
    color: var(--white);
    -webkit-text-fill-color: var(--white);
    font-size: 42px;
    margin-bottom: 15px;
}

.contact-subtitle {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-yellow);
}

.contact-description {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.footer-logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-yellow);
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-yellow);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--medium-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 75px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 30px 0;
        gap: 20px;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-text h1 {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 24px;
    }

    .hero-description {
        font-size: 18px;
    }

    .section {
        padding: 60px 0;
    }

    .section h2 {
        font-size: 36px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        padding: 30px;
    }

    .market-stats {
        grid-template-columns: 1fr;
    }

    .solution-content {
        grid-template-columns: 1fr;
        padding: 30px;
    }

    .product-display {
        grid-template-columns: 1fr;
    }

    .features-layout {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        padding: 20px;
        overflow-x: scroll;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-logo {
        width: 100px;
        height: 100px;
    }

    .contact-logo {
        width: 80px;
        height: 80px;
    }

    .section h2 {
        font-size: 28px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    table {
        min-width: 600px;
    }
}