/*
 * 美思動漫 - 自定義樣式表
 * 現代簡潔設計風格
 */

/* ========== 變數定義 ========== */
:root {
    /* 主色調 - 優雅紫藍漸變 */
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    
    /* 輔助色 */
    --secondary: #0ea5e9;
    --secondary-light: #38bdf8;
    --accent: #f472b6;
    --accent-light: #f9a8d4;
    
    /* 背景色 */
    --bg-dark: #0c0a1d;
    --bg-card: #1a1533;
    --bg-card-hover: #231d42;
    --bg-gradient: linear-gradient(135deg, #0c0a1d 0%, #1a1533 50%, #0f172a 100%);
    
    /* 文字色 */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* 邊框與陰影 */
    --border-color: rgba(124, 58, 237, 0.2);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
    
    /* 過渡效果 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 圓角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 9999px;
}

/* ========== 基礎樣式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* 選取樣式 */
::selection {
    background: var(--primary);
    color: white;
}

/* 捲軸樣式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* ========== 導航列 ========== */
.navbar {
    background: rgba(12, 10, 29, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: var(--transition-normal);
    z-index: 1000;
}

.navbar.scrolled {
    padding: 0.6rem 0;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand .brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.navbar-brand .brand-text {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28248, 250, 252, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ========== 按鈕樣式 ========== */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: white;
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5);
    color: white;
}

.btn-primary-gradient:hover::before {
    left: 100%;
}

.btn-outline-light-custom {
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 0.8rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    transition: var(--transition-normal);
}

.btn-outline-light-custom:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-light);
    color: var(--primary-light);
    transform: translateY(-2px);
}

.btn-secondary-gradient {
    background: linear-gradient(135deg, var(--secondary), #0284c7);
    border: none;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: white;
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.btn-secondary-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.4);
    color: white;
}

/* ========== Hero 區塊 ========== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(124, 58, 237, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(14, 165, 233, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

/* 動態背景粒子效果 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-light);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 15s infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: 2s; }
.particle:nth-child(3) { left: 35%; top: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 50%; top: 70%; animation-delay: 1s; }
.particle:nth-child(5) { left: 65%; top: 40%; animation-delay: 3s; }
.particle:nth-child(6) { left: 80%; top: 80%; animation-delay: 5s; }
.particle:nth-child(7) { left: 90%; top: 25%; animation-delay: 2.5s; }

@keyframes float-particle {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-100px) translateX(20px);
        opacity: 0.6;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.3); }
    50% { box-shadow: 0 0 20px 5px rgba(124, 58, 237, 0.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.hero-stat-item {
    text-align: center;
}

.hero-stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Hero 視覺展示區 */
.hero-visual {
    position: relative;
    z-index: 2;
}

.hero-visual-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.hero-visual-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.visual-preview {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.visual-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.visual-preview-content {
    text-align: center;
    z-index: 1;
}

.visual-preview-content i {
    font-size: 4rem;
    color: white;
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}

.visual-preview-content h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.visual-preview-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* 浮動卡片 */
.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 4s ease-in-out infinite;
    z-index: 10;
}

.floating-card i {
    font-size: 1.2rem;
}

.floating-card.card-1 {
    top: 5%;
    left: -15%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 15%;
    right: -10%;
    animation-delay: 2s;
}

.floating-card.card-3 {
    bottom: 40%;
    left: -20%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ========== 區塊通用樣式 ========== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-dark {
    background: var(--bg-card);
}

.section-gradient {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-badge {
    display: inline-block;
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
    font-weight: 500;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========== 數據統計區塊 ========== */
.stats-section {
    padding: 60px 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(14, 165, 233, 0.2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--primary-light);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* ========== 功能卡片 ========== */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(124, 58, 237, 0.4);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    background: var(--bg-card-hover);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.6rem 0;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.feature-list li i {
    color: var(--secondary);
    font-size: 1rem;
}

/* ========== 步驟流程 ========== */
.step-card {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.4);
    position: relative;
    z-index: 2;
}

.step-connector {
    position: absolute;
    top: 35px;
    left: calc(50% + 45px);
    width: calc(100% - 90px);
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0.3;
}

.step-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.step-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========== 解決方案標籤 ========== */
.solution-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.solution-tab {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.solution-tab:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--primary);
}

.solution-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.solution-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    display: none;
    animation: fadeInUp 0.4s ease;
}

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

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

.solution-visual {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.solution-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.1) 50%, transparent 60%);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.solution-visual i {
    font-size: 5rem;
    color: white;
    filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.3));
}

/* ========== 案例卡片 ========== */
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(124, 58, 237, 0.3);
}

.case-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
}

.case-image i {
    font-size: 3.5rem;
    color: white;
    z-index: 1;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}

.case-content {
    padding: 1.5rem;
}

.case-tag {
    display: inline-block;
    background: rgba(124, 58, 237, 0.15);
    color: var(--primary-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.case-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.case-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== 評價卡片 ========== */
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    border-color: rgba(124, 58, 237, 0.3);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.testimonial-avatar {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.testimonial-info h5 {
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: var(--text-primary);
}

.testimonial-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.testimonial-content {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.testimonial-rating {
    color: #fbbf24;
}

/* ========== FAQ 手風琴 ========== */
.faq-accordion .accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) !important;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-accordion .accordion-button {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    border: none;
    box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
    background: var(--bg-card-hover);
    color: var(--primary-light);
}

.faq-accordion .accordion-button:focus {
    box-shadow: none;
}

.faq-accordion .accordion-button::after {
    filter: brightness(0) invert(0.7);
    transition: var(--transition-normal);
}

.faq-accordion .accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1) sepia(1) saturate(5) hue-rotate(220deg);
}

.faq-accordion .accordion-body {
    background: var(--bg-card);
    color: var(--text-secondary);
    padding: 0 1.5rem 1.5rem;
    line-height: 1.8;
}

/* ========== 關於我們 ========== */
.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.about-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
}

.about-feature h5 {
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.about-feature p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
}

.about-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-normal);
}

.about-stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

/* ========== CTA 區塊 ========== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(14, 165, 233, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 100%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
}

.cta-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2.5rem;
    color: var(--text-muted);
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-features i {
    color: var(--secondary);
}

/* ========== 頁腳 ========== */
.footer {
    background: #080612;
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand .brand-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
}

.footer-brand span {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 42px;
    height: 42px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== 聯繫表單 ========== */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 0.85rem 1rem;
    transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-dark);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* ========== 動畫效果 ========== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ========== 響應式設計 ========== */
@media (max-width: 1199px) {
    .floating-card {
        display: none;
    }
}

@media (max-width: 991px) {
    .navbar-collapse {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 1rem;
        margin-top: 1rem;
        border: 1px solid var(--border-color);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .step-connector {
        display: none;
    }
    
    .solution-content {
        padding: 2rem;
    }
}

@media (max-width: 767px) {
    .section {
        padding: 70px 0;
    }
    
    .hero-section {
        padding: 100px 0 60px;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    
    .solution-tabs {
        gap: 0.5rem;
    }
    
    .solution-tab {
        padding: 0.7rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .cta-features {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

@media (max-width: 575px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card,
    .testimonial-card,
    .contact-form {
        padding: 1.5rem;
    }
}