/* ============================================
   professional.css - 專業設計系統（企業級樣式）
   包含：設計令牌、玻璃效果、動畫庫、漸層系統
   ============================================ */

/* ============================================
   1. 設計變數與令牌系統
   ============================================ */
:root {
    /* ---- 主色系統 - 深藍專業漸層 ---- */
    --pro-primary-950: #0a0e27;
    --pro-primary-900: #0f1640;
    --pro-primary-800: #1a1f4e;
    --pro-primary-700: #283066;
    --pro-primary-600: #364180;
    --pro-primary-500: #4a5c9e;
    --pro-primary-400: #6a7fbf;
    --pro-primary-300: #8fa3d6;
    --pro-primary-200: #b8c6e8;
    --pro-primary-100: #dde3f5;
    --pro-primary-50: #f0f3fc;

    /* ---- 強調色（金色系） ---- */
    --pro-accent-gold: #d4a843;
    --pro-accent-gold-light: #e8c46a;
    --pro-accent-gold-dark: #b88930;
    --pro-accent-gold-glow: rgba(212, 168, 67, 0.3);

    /* ---- 點綴色（青色系） ---- */
    --pro-accent-cyan: #06b6d4;
    --pro-accent-cyan-light: #22d3ee;
    --pro-accent-cyan-dark: #0891b2;

    /* ---- 點綴色（翠綠系） ---- */
    --pro-accent-emerald: #10b981;
    --pro-accent-emerald-light: #34d399;
    --pro-accent-emerald-dark: #059669;

    /* ---- 中性色 ---- */
    --pro-white: #ffffff;
    --pro-gray-50: #f8fafc;
    --pro-gray-100: #f1f5f9;
    --pro-gray-200: #e2e8f0;
    --pro-gray-300: #cbd5e1;
    --pro-gray-400: #94a3b8;
    --pro-gray-500: #64748b;
    --pro-gray-600: #475569;
    --pro-gray-700: #334155;
    --pro-gray-800: #1e293b;
    --pro-gray-900: #0f172a;

    /* ---- 語意色 ---- */
    --pro-success: #10b981;
    --pro-warning: #f59e0b;
    --pro-error: #ef4444;
    --pro-info: #3b82f6;

    /* ---- 漸層背景 ---- */
    --pro-gradient-hero: linear-gradient(135deg, #0a0e27 0%, #1a1f4e 30%, #283066 60%, #0f1640 100%);
    --pro-gradient-hero-alt: linear-gradient(135deg, #0f1640 0%, #1a1f4e 40%, #364180 100%);
    --pro-gradient-cta: linear-gradient(135deg, #1a1f4e 0%, #283066 50%, #d4a843 100%);
    --pro-gradient-card: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 100%);
    --pro-gradient-shine: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    --pro-gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    --pro-gradient-grid: linear-gradient(rgba(96, 165, 250, 0.05) 1px, transparent 1px),
                        linear-gradient(90deg, rgba(96, 165, 250, 0.05) 1px, transparent 1px);

    /* ---- 毛玻璃效果 ---- */
    --pro-glass-bg: rgba(255, 255, 255, 0.06);
    --pro-glass-border: rgba(255, 255, 255, 0.12);
    --pro-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --pro-glass-blur: blur(16px);

    --pro-glass-dark-bg: rgba(15, 23, 42, 0.75);
    --pro-glass-dark-border: rgba(255, 255, 255, 0.08);
    --pro-glass-dark-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --pro-glass-dark-blur: blur(20px);

    /* ---- 陰影系統 ---- */
    --pro-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --pro-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --pro-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --pro-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --pro-shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
    --pro-shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.2);
    --pro-shadow-glow: 0 0 20px var(--pro-accent-gold-glow);
    --pro-shadow-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.25);

    /* ---- 字體系統 ---- */
    --pro-font-sans: 'Noto Sans TC', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --pro-font-display: 'Noto Sans TC', 'Roboto', sans-serif;

    --pro-text-xs: 0.75rem;
    --pro-text-sm: 0.875rem;
    --pro-text-base: 1rem;
    --pro-text-lg: 1.125rem;
    --pro-text-xl: 1.25rem;
    --pro-text-2xl: 1.5rem;
    --pro-text-3xl: 1.875rem;
    --pro-text-4xl: 2.25rem;
    --pro-text-5xl: 3rem;
    --pro-text-6xl: 3.75rem;

    --pro-weight-light: 300;
    --pro-weight-normal: 400;
    --pro-weight-medium: 500;
    --pro-weight-semibold: 600;
    --pro-weight-bold: 700;
    --pro-weight-extrabold: 800;

    --pro-leading-tight: 1.15;
    --pro-leading-normal: 1.5;
    --pro-leading-relaxed: 1.7;

    --pro-tracking-tight: -0.025em;
    --pro-tracking-normal: 0;
    --pro-tracking-wide: 0.05em;

    /* ---- 圓角系統 ---- */
    --pro-radius-sm: 6px;
    --pro-radius-md: 10px;
    --pro-radius-lg: 16px;
    --pro-radius-xl: 24px;
    --pro-radius-2xl: 32px;
    --pro-radius-full: 50%;

    /* ---- 過渡系統 ---- */
    --pro-transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --pro-transition-base: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --pro-transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
    --pro-transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ---- Z-index 系統 ---- */
    --pro-z-dropdown: 1000;
    --pro-z-sticky: 1020;
    --pro-z-fixed: 1030;
    --pro-z-modal: 1050;
    --pro-z-tooltip: 1070;
}

/* ============================================
   2. 毛玻璃工具類
   ============================================ */

/* 淺色毛玻璃 */
.glass {
    background: var(--pro-glass-bg);
    backdrop-filter: var(--pro-glass-blur);
    -webkit-backdrop-filter: var(--pro-glass-blur);
    border: 1px solid var(--pro-glass-border);
    box-shadow: var(--pro-glass-shadow);
}

/* 深色毛玻璃 */
.glass-dark {
    background: var(--pro-glass-dark-bg);
    backdrop-filter: var(--pro-glass-dark-blur);
    -webkit-backdrop-filter: var(--pro-glass-dark-blur);
    border: 1px solid var(--pro-glass-dark-border);
    box-shadow: var(--pro-glass-dark-shadow);
}

/* 頂層毛玻璃（適用於導航） */
.glass-nav {
    background: rgba(10, 14, 39, 0.82);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.glass-nav-light {
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* 毛玻璃卡片 */
.glass-card {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.08) 0%,
        rgba(255, 255, 255, 0.03) 50%,
        rgba(255, 255, 255, 0.06) 100%
    );
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 3px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: var(--pro-radius-lg);
    transition: all var(--pro-transition-base);
}

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
    border-color: rgba(212, 168, 67, 0.2);
}

/* 金色邊框毛玻璃 */
.glass-card-gold {
    border-color: rgba(212, 168, 67, 0.15);
    background: linear-gradient(
        135deg,
        rgba(212, 168, 67, 0.05) 0%,
        rgba(255, 255, 255, 0.03) 50%,
        rgba(212, 168, 67, 0.03) 100%
    );
}

.glass-card-gold:hover {
    border-color: rgba(212, 168, 67, 0.35);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2),
                var(--pro-shadow-glow);
}

/* ============================================
   3. 專業按鈕樣式
   ============================================ */

.pro-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--pro-radius-md);
    font-family: var(--pro-font-sans);
    font-size: var(--pro-text-base);
    font-weight: var(--pro-weight-semibold);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--pro-transition-base);
    position: relative;
    overflow: hidden;
    letter-spacing: var(--pro-tracking-wide);
}

/* 光澤效果（橫掃動畫） */
.pro-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
}

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

/* 主按鈕 - 金黃色漸層 */
.pro-btn-primary {
    background: linear-gradient(135deg, var(--pro-accent-gold) 0%, var(--pro-accent-gold-dark) 100%);
    color: var(--pro-gray-900);
    box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
}

.pro-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(212, 168, 67, 0.4);
}

.pro-btn-primary:active {
    transform: translateY(0);
}

/* 次要按鈕 - 深色背景 + 金色邊框 */
.pro-btn-secondary {
    background: transparent;
    color: var(--pro-accent-gold);
    border: 2px solid rgba(212, 168, 67, 0.4);
}

.pro-btn-secondary:hover {
    background: rgba(212, 168, 67, 0.1);
    border-color: var(--pro-accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(212, 168, 67, 0.15);
}

/* 第三按鈕 - 白色/淺色 */
.pro-btn-outline {
    background: transparent;
    color: var(--pro-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.pro-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

/* 青色強調按鈕 */
.pro-btn-cyan {
    background: linear-gradient(135deg, var(--pro-accent-cyan) 0%, var(--pro-accent-cyan-dark) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

.pro-btn-cyan:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(6, 182, 212, 0.4);
}

/* 大按鈕 */
.pro-btn-lg {
    padding: 18px 40px;
    font-size: var(--pro-text-lg);
    border-radius: var(--pro-radius-lg);
}

/* 小按鈕 */
.pro-btn-sm {
    padding: 10px 20px;
    font-size: var(--pro-text-sm);
}

/* ============================================
   4. 專業排版
   ============================================ */

.pro-section {
    padding: 100px 0;
}

.pro-section-header {
    text-align: center;
    margin-bottom: 70px;
}

.pro-section-title {
    font-size: var(--pro-text-4xl);
    font-weight: var(--pro-weight-bold);
    color: var(--pro-white);
    margin-bottom: 16px;
    letter-spacing: var(--pro-tracking-tight);
    position: relative;
}

.pro-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--pro-accent-gold), var(--pro-accent-cyan));
    margin: 20px auto 0;
    border-radius: 3px;
}

.light .pro-section-title {
    color: var(--pro-gray-900);
}

.pro-section-subtitle {
    font-size: var(--pro-text-lg);
    color: var(--pro-gray-400);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--pro-leading-relaxed);
}

.light .pro-section-subtitle {
    color: var(--pro-gray-500);
}

/* 深色文字區域 */
.light {
    color: var(--pro-gray-900);
}

.light .pro-section-title {
    color: var(--pro-gray-900);
}

/* ============================================
   5. 區段背景
   ============================================ */

.pro-bg-hero {
    background: var(--pro-gradient-hero);
    position: relative;
}

.pro-bg-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--pro-gradient-grid);
    background-size: 60px 60px;
    opacity: 0.5;
    pointer-events: none;
}

.pro-bg-dark {
    background: var(--pro-gray-900);
    position: relative;
}

.pro-bg-dark-alt {
    background: var(--pro-gray-800);
}

.pro-bg-light {
    background: var(--pro-gray-50);
}

.pro-bg-gradient {
    background: var(--pro-gradient-hero-alt);
}

.pro-bg-cta {
    background: var(--pro-gradient-cta);
    position: relative;
    overflow: hidden;
}

/* CTA 區動態光點 */
.pro-bg-cta::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.15) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    animation: pro-float-slow 8s ease-in-out infinite;
}

.pro-bg-cta::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
    border-radius: 50%;
    animation: pro-float-slow 10s ease-in-out infinite reverse;
}

/* 網格裝飾背景（淺色版） */
.pro-bg-grid-light {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ============================================
   6. 動畫系統
   ============================================ */

/* 淡入向上 */
@keyframes pro-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 淡入 */
@keyframes pro-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 從左進入 */
@keyframes pro-slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 從右進入 */
@keyframes pro-slide-in-right {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 縮放入場 */
@keyframes pro-scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 緩慢漂浮 */
@keyframes pro-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pro-float-slow {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(20px, -20px); }
    66% { transform: translate(-15px, 10px); }
}

/* 脈衝發光 */
@keyframes pro-pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(212, 168, 67, 0.15);
    }
    50% {
        box-shadow: 0 0 40px rgba(212, 168, 67, 0.3);
    }
}

/* 數字跳動 */
@keyframes pro-count-up {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 光澤橫掃 */
@keyframes pro-shine {
    from { left: -100%; }
    to { left: 200%; }
}

/* 旋轉 + 縮放 */
@keyframes pro-spin-scale {
    from { transform: rotate(0deg) scale(0.8); opacity: 0; }
    to { transform: rotate(360deg) scale(1); opacity: 1; }
}

/* 邊框流動 */
@keyframes pro-border-flow {
    0%, 100% {
        border-color: rgba(212, 168, 67, 0.2);
    }
    50% {
        border-color: rgba(6, 182, 212, 0.3);
    }
}

/* 動畫工具類 */
.animate-fade-in-up {
    animation: pro-fade-in-up 0.8s ease-out forwards;
}

.animate-fade-in {
    animation: pro-fade-in 0.6s ease-out forwards;
}

.animate-slide-left {
    animation: pro-slide-in-left 0.7s ease-out forwards;
}

.animate-slide-right {
    animation: pro-slide-in-right 0.7s ease-out forwards;
}

.animate-scale-in {
    animation: pro-scale-in 0.5s ease-out forwards;
}

.animate-float {
    animation: pro-float 4s ease-in-out infinite;
}

.animate-float-slow {
    animation: pro-float-slow 8s ease-in-out infinite;
}

.animate-glow {
    animation: pro-pulse-glow 3s ease-in-out infinite;
}

/* 延遲動畫類 */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* 滾動可視動畫（配合 JS 使用 .pro-visible 類） */
.pro-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.pro-reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.pro-reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.pro-visible {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

/* ============================================
   7. Hero 區域（深色專業版）
   ============================================ */

.pro-hero {
    padding: 160px 0 100px;
    background: var(--pro-gradient-hero);
    position: relative;
    overflow: hidden;
}

/* 網格裝飾背景 */
.pro-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--pro-gradient-grid);
    background-size: 80px 80px;
    opacity: 0.4;
    pointer-events: none;
}

/* 漸層光暈 */
.pro-hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.pro-hero-glow-1 {
    background: radial-gradient(circle, rgba(212, 168, 67, 0.08) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}

.pro-hero-glow-2 {
    background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 70%);
    bottom: -200px;
    left: -100px;
}

.pro-hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 80px;
}

.pro-hero-content {
    flex: 1.2;
}

.pro-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(212, 168, 67, 0.1);
    border: 1px solid rgba(212, 168, 67, 0.2);
    border-radius: 50px;
    font-size: var(--pro-text-sm);
    font-weight: var(--pro-weight-medium);
    color: var(--pro-accent-gold);
    margin-bottom: 28px;
    letter-spacing: var(--pro-tracking-wide);
}

.pro-hero-badge i {
    font-size: 14px;
}

.pro-hero-title {
    font-size: var(--pro-text-5xl);
    font-weight: var(--pro-weight-extrabold);
    color: var(--pro-white);
    line-height: var(--pro-leading-tight);
    margin-bottom: 24px;
    letter-spacing: var(--pro-tracking-tight);
}

.pro-hero-title .highlight {
    background: linear-gradient(135deg, var(--pro-accent-gold), var(--pro-accent-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pro-hero-subtitle {
    font-size: var(--pro-text-xl);
    color: var(--pro-gray-400);
    line-height: var(--pro-leading-relaxed);
    max-width: 560px;
    margin-bottom: 36px;
}

.pro-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Hero 統計數字 */
.pro-hero-stats {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

.pro-hero-stat {
    text-align: left;
}

.pro-hero-stat-number {
    display: block;
    font-size: var(--pro-text-4xl);
    font-weight: var(--pro-weight-bold);
    background: linear-gradient(135deg, var(--pro-accent-gold), var(--pro-accent-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 4px;
}

.pro-hero-stat-label {
    font-size: var(--pro-text-sm);
    color: var(--pro-gray-400);
    letter-spacing: var(--pro-tracking-wide);
}

/* Hero 視覺區域 */
.pro-hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pro-hero-visual-inner {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 同心圓裝飾 */
.pro-hero-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(212, 168, 67, 0.15);
    animation: pro-float 6s ease-in-out infinite;
}

.pro-hero-circle-1 {
    width: 380px;
    height: 380px;
    border-color: rgba(212, 168, 67, 0.08);
    animation-delay: 0s;
}

.pro-hero-circle-2 {
    width: 300px;
    height: 300px;
    border-color: rgba(6, 182, 212, 0.12);
    animation-delay: 0.5s;
}

.pro-hero-circle-3 {
    width: 220px;
    height: 220px;
    border-color: rgba(212, 168, 67, 0.15);
    animation-delay: 1s;
}

.pro-hero-icon {
    font-size: 80px;
    color: var(--pro-accent-gold);
    opacity: 0.15;
    z-index: 1;
}

.pro-hero-icon-center {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--pro-accent-gold), var(--pro-accent-cyan));
    border-radius: var(--pro-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    z-index: 2;
    box-shadow: 0 0 40px rgba(212, 168, 67, 0.2);
    animation: pro-float 4s ease-in-out infinite;
}

/* ============================================
   8. 卡片網格系統
   ============================================ */

.pro-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.pro-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pro-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pro-grid-6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* 卡片基底 */
.pro-card {
    background: var(--pro-glass-card-bg, var(--pro-gray-800));
    border-radius: var(--pro-radius-lg);
    padding: 36px 32px;
    border: 1px solid var(--pro-gray-700);
    transition: all var(--pro-transition-base);
    position: relative;
    overflow: hidden;
}

.pro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--pro-accent-gold), transparent);
    opacity: 0;
    transition: opacity var(--pro-transition-base);
}

.pro-card:hover::before {
    opacity: 1;
}

.pro-card:hover {
    transform: translateY(-6px);
    border-color: rgba(212, 168, 67, 0.2);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

/* 淺色卡片 */
.pro-card-light {
    background: var(--pro-white);
    border: 1px solid var(--pro-gray-200);
    box-shadow: var(--pro-shadow-sm);
}

.pro-card-light:hover {
    border-color: var(--pro-accent-gold);
    box-shadow: var(--pro-shadow-lg);
}

/* 卡片圖標 */
.pro-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--pro-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--pro-accent-gold);
    background: rgba(212, 168, 67, 0.1);
    margin-bottom: 20px;
    transition: all var(--pro-transition-base);
}

.pro-card:hover .pro-card-icon {
    background: rgba(212, 168, 67, 0.2);
    transform: scale(1.1);
}

.pro-card-icon-cyan {
    background: rgba(6, 182, 212, 0.1);
    color: var(--pro-accent-cyan);
}

.pro-card:hover .pro-card-icon-cyan {
    background: rgba(6, 182, 212, 0.2);
}

.pro-card-icon-emerald {
    background: rgba(16, 185, 129, 0.1);
    color: var(--pro-accent-emerald);
}

.pro-card:hover .pro-card-icon-emerald {
    background: rgba(16, 185, 129, 0.2);
}

.pro-card h4 {
    font-size: var(--pro-text-xl);
    font-weight: var(--pro-weight-semibold);
    color: var(--pro-white);
    margin-bottom: 12px;
}

.pro-card-light h4 {
    color: var(--pro-gray-900);
}

.pro-card p {
    font-size: var(--pro-text-sm);
    color: var(--pro-gray-400);
    line-height: var(--pro-leading-relaxed);
}

.pro-card-light p {
    color: var(--pro-gray-500);
}

/* 卡片徽章 */
.pro-card-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(212, 168, 67, 0.12);
    color: var(--pro-accent-gold);
    border-radius: 50px;
    font-size: var(--pro-text-xs);
    font-weight: var(--pro-weight-semibold);
    margin-top: 12px;
    letter-spacing: var(--pro-tracking-wide);
}

/* ============================================
   9. 比較表
   ============================================ */

.pro-table-wrapper {
    overflow-x: auto;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--pro-radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.pro-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.pro-table thead th {
    padding: 18px 24px;
    font-weight: var(--pro-weight-semibold);
    font-size: var(--pro-text-base);
    color: var(--pro-white);
    background: rgba(255, 255, 255, 0.06);
    border-bottom: 2px solid rgba(255, 255, 255, 0.08);
    text-align: left;
    white-space: nowrap;
}

.pro-table thead th:first-child {
    border-radius: 0;
}

.pro-table thead .pro-col-brand {
    background: linear-gradient(135deg, rgba(212, 168, 67, 0.15), rgba(212, 168, 67, 0.05));
    color: var(--pro-accent-gold);
}

.pro-table tbody td {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: var(--pro-text-sm);
    color: var(--pro-gray-400);
}

.pro-table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.pro-table tbody td:first-child {
    font-weight: var(--pro-weight-medium);
    color: var(--pro-gray-300);
}

.pro-table tbody td:nth-child(2) {
    color: var(--pro-accent-gold);
    font-weight: var(--pro-weight-medium);
}

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

/* 淺色比較表 */
.pro-table-light-wrapper {
    background: var(--pro-white);
    border: 1px solid var(--pro-gray-200);
    box-shadow: var(--pro-shadow-md);
}

.pro-table-light thead th {
    background: var(--pro-gray-900);
    color: var(--pro-white);
}

.pro-table-light thead .pro-col-brand {
    background: linear-gradient(135deg, var(--pro-gray-800), var(--pro-gray-700));
    color: var(--pro-accent-gold);
    position: relative;
}

.pro-table-light tbody td {
    color: var(--pro-gray-600);
    border-bottom-color: var(--pro-gray-100);
}

.pro-table-light tbody td:first-child {
    color: var(--pro-gray-800);
}

.pro-table-light tbody td:nth-child(2) {
    color: var(--pro-gray-700);
}

/* ============================================
   10. FAQ 樣式
   ============================================ */

.pro-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.pro-faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--pro-radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--pro-transition-base);
}

.pro-faq-item:hover {
    border-color: rgba(212, 168, 67, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.pro-faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: var(--pro-weight-medium);
    color: var(--pro-white);
    font-size: var(--pro-text-base);
    transition: color var(--pro-transition-fast);
    user-select: none;
}

.pro-faq-question:hover {
    color: var(--pro-accent-gold);
}

.pro-faq-question i {
    transition: transform var(--pro-transition-base);
    color: var(--pro-gray-400);
    font-size: 14px;
}

.pro-faq-item.active .pro-faq-question i {
    transform: rotate(180deg);
    color: var(--pro-accent-gold);
}

.pro-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--pro-transition-base);
    padding: 0 24px;
    color: var(--pro-gray-400);
    font-size: var(--pro-text-sm);
    line-height: var(--pro-leading-relaxed);
}

.pro-faq-item.active .pro-faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

/* 淺色 FAQ */
.pro-faq-item-light {
    background: var(--pro-white);
    border: 1px solid var(--pro-gray-200);
}

.pro-faq-item-light .pro-faq-question {
    color: var(--pro-gray-800);
}

.pro-faq-item-light .pro-faq-answer {
    color: var(--pro-gray-500);
}

.pro-faq-item-light:hover {
    border-color: var(--pro-accent-gold);
    box-shadow: var(--pro-shadow-sm);
}

/* ============================================
   11. CTA 區域
   ============================================ */

.pro-cta {
    padding: 100px 0;
    background: var(--pro-gradient-cta);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pro-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--pro-gradient-grid);
    background-size: 60px 60px;
    opacity: 0.15;
    pointer-events: none;
}

.pro-cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.pro-cta-title {
    font-size: var(--pro-text-4xl);
    font-weight: var(--pro-weight-bold);
    color: var(--pro-white);
    margin-bottom: 16px;
}

.pro-cta-description {
    font-size: var(--pro-text-lg);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    line-height: var(--pro-leading-relaxed);
}

.pro-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.pro-cta-support {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.pro-cta-support-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--pro-text-sm);
}

.pro-cta-support-item i {
    color: var(--pro-accent-gold);
    font-size: 16px;
}

/* ============================================
   12. 頁尾專業樣式
   ============================================ */

.pro-footer {
    background: var(--pro-gray-900);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.pro-footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.pro-footer-brand p {
    color: var(--pro-gray-400);
    font-size: var(--pro-text-sm);
    line-height: var(--pro-leading-relaxed);
    margin-top: 16px;
    max-width: 320px;
}

.pro-footer-logo {
    font-size: var(--pro-text-2xl);
    font-weight: var(--pro-weight-bold);
    color: var(--pro-white);
    text-decoration: none;
}

.pro-footer-logo .gold {
    color: var(--pro-accent-gold);
}

.pro-footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.pro-footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--pro-radius-full);
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pro-gray-400);
    text-decoration: none;
    transition: all var(--pro-transition-base);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.pro-footer-social a:hover {
    background: var(--pro-accent-gold);
    color: var(--pro-gray-900);
    transform: translateY(-3px);
    border-color: var(--pro-accent-gold);
}

.pro-footer-section h4 {
    font-size: var(--pro-text-base);
    font-weight: var(--pro-weight-semibold);
    color: var(--pro-white);
    margin-bottom: 20px;
}

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

.pro-footer-links li {
    margin-bottom: 12px;
}

.pro-footer-links a {
    color: var(--pro-gray-400);
    text-decoration: none;
    font-size: var(--pro-text-sm);
    transition: color var(--pro-transition-fast);
    position: relative;
    padding-left: 0;
    transition: all var(--pro-transition-fast);
}

.pro-footer-links a:hover {
    color: var(--pro-accent-gold);
    padding-left: 6px;
}

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

.pro-footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--pro-gray-400);
    font-size: var(--pro-text-sm);
}

.pro-footer-contact li i {
    color: var(--pro-accent-gold);
    margin-top: 3px;
    width: 16px;
}

.pro-footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.pro-footer-bottom p {
    color: var(--pro-gray-500);
    font-size: var(--pro-text-sm);
}

.pro-footer-bottom-links {
    display: flex;
    gap: 24px;
}

.pro-footer-bottom-links a {
    color: var(--pro-gray-500);
    text-decoration: none;
    font-size: var(--pro-text-sm);
    transition: color var(--pro-transition-fast);
}

.pro-footer-bottom-links a:hover {
    color: var(--pro-accent-gold);
}

/* ============================================
   13. 響應式設計
   ============================================ */

@media (max-width: 1024px) {
    .pro-hero .container {
        flex-direction: column;
        text-align: center;
        gap: 60px;
    }

    .pro-hero-content {
        order: 2;
    }

    .pro-hero-visual {
        order: 1;
    }

    .pro-hero-subtitle {
        margin: 0 auto 36px;
    }

    .pro-hero-actions {
        justify-content: center;
    }

    .pro-hero-stats {
        justify-content: center;
    }

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

    .pro-hero-title {
        font-size: var(--pro-text-4xl);
    }

    .pro-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .pro-footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .pro-section {
        padding: 70px 0;
    }

    .pro-hero {
        padding: 130px 0 70px;
    }

    .pro-hero-title {
        font-size: var(--pro-text-3xl);
    }

    .pro-hero-subtitle {
        font-size: var(--pro-text-base);
    }

    .pro-hero-stats {
        gap: 30px;
    }

    .pro-hero-stat-number {
        font-size: var(--pro-text-3xl);
    }

    .pro-section-title {
        font-size: var(--pro-text-3xl);
    }

    .pro-grid-2,
    .pro-grid-3,
    .pro-grid-4,
    .pro-grid-6 {
        grid-template-columns: 1fr;
    }

    .pro-footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .pro-cta-title {
        font-size: var(--pro-text-3xl);
    }

    .pro-hero-visual-inner {
        width: 280px;
        height: 280px;
    }

    .pro-hero-circle-1 {
        width: 260px;
        height: 260px;
    }

    .pro-hero-circle-2 {
        width: 200px;
        height: 200px;
    }

    .pro-hero-circle-3 {
        width: 140px;
        height: 140px;
    }
}

@media (max-width: 640px) {
    .pro-hero-title {
        font-size: var(--pro-text-2xl);
    }

    .pro-section-title {
        font-size: var(--pro-text-2xl);
    }

    .pro-hero-stats {
        gap: 20px;
    }

    .pro-hero-stat-number {
        font-size: var(--pro-text-2xl);
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: var(--pro-text-base);
    }
}

/* ============================================
   14. 滾動條優化
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--pro-gray-900);
}

::-webkit-scrollbar-thumb {
    background: var(--pro-gray-600);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pro-gray-500);
}

/* ============================================
   15. 選擇高亮
   ============================================ */

::selection {
    background: rgba(212, 168, 67, 0.3);
    color: var(--pro-white);
}