/*!
Theme Name: The One Light 樂旺娛樂城
Theme URI: https://yes67.net
Author: The One Team
Author URI: https://yes67.net
Description: 專為線上娛樂城設計的WordPress主題 - 淺色版。專業信賴藍色系，簡約現代設計。
Version: 1.0
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: theone-light
Tags: entertainment, casino, gaming, light, professional, custom-header, custom-logo, custom-menu, featured-images, responsive
*/

/* ===========================
   1. CSS 變數 - 深色霓虹遊戲風
   =========================== */
:root {
    /* 主要色彩 - 霓虹色系 */
    --color-primary: #00D4FF;
    --color-primary-light: #5EEFFF;
    --color-primary-dark: #00A8CC;
    --color-secondary: #7B61FF;
    --color-accent: #FF2D92;
    --color-cta: #00D4FF;
    --color-cta-light: #5EEFFF;
    --color-cta-dark: #00A8CC;

    /* 文字顏色 */
    --color-text: #E2E8F0;
    --color-text-light: #94A3B8;
    --color-text-muted: #64748B;
    --color-text-dark: #FFFFFF;

    /* 背景色 - 深色系 */
    --color-bg: #0F1923;
    --color-bg-light: #162230;
    --color-bg-card: rgba(22, 34, 48, 0.8);
    --color-bg-elevated: #1A2D3D;
    --color-surface: #162230;
    --color-muted: #2A3F50;
    --color-border: #2A3F50;

    /* 霓虹漸層 */
    --gradient-primary: linear-gradient(135deg, #00D4FF 0%, #7B61FF 100%);
    --gradient-cta: linear-gradient(135deg, #00D4FF 0%, #00A8CC 100%);
    --gradient-neon: linear-gradient(135deg, #00D4FF 0%, #7B61FF 50%, #FF2D92 100%);
    --gradient-hero: linear-gradient(180deg, #0F1923 0%, #162230 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 97, 255, 0.1) 100%);
    --gradient-text: linear-gradient(135deg, #00D4FF 0%, #7B61FF 100%);

    /* 發光效果 */
    --glow-primary: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-secondary: 0 0 20px rgba(123, 97, 255, 0.5);
    --glow-accent: 0 0 20px rgba(255, 45, 146, 0.5);
    --glow-text: 0 0 10px rgba(0, 212, 255, 0.8);

    /* 字體 */
    --font-heading: 'Orbitron', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", "Noto Sans TC", sans-serif;
    --font-primary: var(--font-body);
    --font-display: var(--font-heading);

    /* 間距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* 陰影 - 霓虹風格 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.6);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-button: 0 4px 20px rgba(0, 212, 255, 0.4);
    --shadow-neon: 0 0 30px rgba(0, 212, 255, 0.3), 0 0 60px rgba(123, 97, 255, 0.2);

    /* 圓角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* 過渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================
   2. 重置樣式
   =========================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   3. 字體載入
   =========================== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* ===========================
   4. 通用樣式
   =========================== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

a:hover {
    color: var(--color-primary-light);
    text-shadow: var(--glow-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

/* 霓虹文字效果 */
.neon-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
}

/* ===========================
   5. 容器
   =========================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

/* ===========================
   6. 按鈕 - 霓虹風格
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg);
    box-shadow: var(--shadow-button);
}

.btn-primary:hover {
    box-shadow: var(--glow-primary), var(--shadow-button);
    transform: translateY(-2px);
    color: var(--color-bg);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

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

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--glow-primary);
    color: var(--color-primary-light);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ===========================
   7. 卡片 - 霓虹邊框
   =========================== */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-neon);
    border-color: transparent;
}

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

/* ===========================
   8. 導航 - 深色霓虹
   =========================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-xl);
}

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

.site-logo img,
.site-logo .default-logo {
    height: 40px;
    width: auto;
    display: block;
}

.footer-logo img,
.footer-logo .default-logo {
    height: 48px;
    width: auto;
    display: block;
    margin-bottom: var(--spacing-md);
}

.site-logo .site-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-dark);
    text-decoration: none;
    letter-spacing: 1px;
}

.site-logo .site-title strong {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.main-nav a {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.main-nav a:hover {
    color: var(--color-primary);
    text-shadow: var(--glow-text);
}

.header-cta {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===========================
   9. Hero 區塊 - 深色霓虹
   =========================== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

/* 霓虹背景光暈 */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 50%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(123, 97, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

/* 背景圖片層 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 50%;
}

/* 漸層遮罩 - 左圖右文過渡 */
.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        transparent 60%,
        var(--color-bg) 100%
    );
}

.hero > .container {
    display: flex;
    justify-content: flex-end;
    position: relative;
    z-index: 2;
}

.hero-content {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}


.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
}

.hero-subtitle {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 4px;
    font-weight: 500;
    text-transform: uppercase;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

/* Button sizes */
.btn-lg {
    padding: 16px 40px;
    font-size: 0.9375rem;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8125rem;
}

/* ===========================
   10. 影片區塊 - 霓虹邊框
   =========================== */
.video-section {
    background: var(--color-bg-light);
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-neon);
    border: 1px solid var(--color-border);
}

.video-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: var(--gradient-neon);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 1;
    pointer-events: none;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-lg);
}

/* 移動裝置 - 9:16 影片比例 */
@media (max-width: 768px) {
    .video-wrapper {
        max-width: 400px;
        padding-bottom: 177.78%; /* 9:16 Aspect Ratio */
    }
}

/* ===========================
   10.5 六角形特色區塊 - Hex Features Section
   =========================== */
.hex-features {
    background: var(--color-bg-light);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hex-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.hex-item {
    text-align: center;
    padding: var(--spacing-md) var(--spacing-sm);
    transition: all var(--transition-normal);
}

.hex-item:hover {
    transform: translateY(-6px);
}

.hex-title {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.hex-desc {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0;
}

/* 特色項目 - 標題強調色 */
.hex-item.hex-featured .hex-title .highlight {
    color: var(--color-primary);
    text-shadow: var(--glow-text);
}

/* ===========================
   10.6 六角形元件 - Hexagon Component
   =========================== */

/*
 * 可重複使用的六角形圖標元件
 * 使用方式: <div class="hex-icon"><svg>...</svg></div>
 *
 * 變體:
 * - .hex-icon (預設淺藍)
 * - .hex-icon.hex-primary (霓虹青)
 * - .hex-icon.hex-secondary (霓虹紫)
 * - .hex-icon.hex-accent (霓虹粉)
 *
 * 尺寸:
 * - .hex-icon (預設 80x90)
 * - .hex-icon.hex-sm (60x68)
 * - .hex-icon.hex-lg (100x112)
 */

.hex-icon {
    --hex-bg: #5BB5E0;
    --hex-bg-hover: var(--color-primary);
    --hex-icon-color: #FFFFFF;
    --hex-size: 80px;
    --hex-height: 90px;
    --hex-icon-size: 32px;

    position: relative;
    width: var(--hex-size);
    height: var(--hex-height);
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 六角形背景 */
.hex-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--hex-bg);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transition: all var(--transition-normal);
}

/* Hover 效果 */
.hex-item:hover .hex-icon::before,
.hex-icon:hover::before {
    background: var(--hex-bg-hover);
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.5));
}

/* 圖標樣式 */
.hex-icon svg {
    position: relative;
    z-index: 1;
    width: var(--hex-icon-size);
    height: var(--hex-icon-size);
    color: var(--hex-icon-color);
}

/* === 六角形顏色變體 === */

.hex-icon.hex-primary {
    --hex-bg: var(--color-primary);
    --hex-bg-hover: var(--color-primary-light);
}

.hex-icon.hex-secondary {
    --hex-bg: var(--color-secondary);
    --hex-bg-hover: #9580FF;
}

.hex-icon.hex-accent {
    --hex-bg: var(--color-accent);
    --hex-bg-hover: #FF5CAB;
}

.hex-icon.hex-gradient {
    --hex-bg: var(--gradient-primary);
    --hex-bg-hover: var(--gradient-neon);
}

/* === 六角形尺寸變體 === */

.hex-icon.hex-sm {
    --hex-size: 60px;
    --hex-height: 68px;
    --hex-icon-size: 24px;
}

.hex-icon.hex-lg {
    --hex-size: 100px;
    --hex-height: 112px;
    --hex-icon-size: 40px;
}

.hex-icon.hex-xl {
    --hex-size: 120px;
    --hex-height: 135px;
    --hex-icon-size: 48px;
}

/* ===== Hex Features RWD ===== */

/* Large Tablet - 1200px */
@media (max-width: 1200px) {
    .hex-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: var(--spacing-sm);
    }

    .hex-features .hex-icon {
        --hex-size: 70px;
        --hex-height: 78px;
        --hex-icon-size: 28px;
    }

    .hex-title {
        font-size: 1rem;
    }

    .hex-desc {
        font-size: 0.875rem;
    }
}

/* Tablet - 1024px */
@media (max-width: 1024px) {
    .hex-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }

    .hex-features .hex-icon {
        --hex-size: 80px;
        --hex-height: 90px;
        --hex-icon-size: 32px;
    }

    .hex-title {
        font-size: 1.125rem;
    }

    .hex-desc {
        font-size: 0.9375rem;
    }
}

/* Tablet Portrait - 768px */
@media (max-width: 768px) {
    .hex-features {
        padding: var(--spacing-2xl) 0;
    }

    .hex-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .hex-item:nth-child(5) {
        grid-column: span 2;
        max-width: 320px;
        margin: 0 auto;
    }

    .hex-features .hex-icon {
        --hex-size: 75px;
        --hex-height: 84px;
        --hex-icon-size: 30px;
    }

    .hex-title {
        font-size: 1rem;
    }

    .hex-desc {
        font-size: 0.9375rem;
    }
}

/* Mobile - 480px */
@media (max-width: 480px) {
    .hex-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .hex-item {
        padding: var(--spacing-sm);
    }

    .hex-item:nth-child(5) {
        grid-column: span 2;
        max-width: 280px;
    }

    .hex-features .hex-icon {
        --hex-size: 65px;
        --hex-height: 73px;
        --hex-icon-size: 26px;
        margin-bottom: var(--spacing-sm);
    }

    .hex-title {
        font-size: 0.9375rem;
    }

    .hex-desc {
        font-size: 0.875rem;
        line-height: 1.7;
    }
}

/* ===========================
   10.7 為什麼選擇區塊 - Why Section
   =========================== */
.why-section {
    background: var(--color-bg);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 背景裝飾光暈 */
.why-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 120%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

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

.why-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xl);
    line-height: 1.4;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
}

.why-desc {
    font-size: 1.125rem;
    color: var(--color-text);
    line-height: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    position: relative;
}

/* 裝飾邊框效果 */
.why-desc::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, transparent 50%, rgba(123, 97, 255, 0.3) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Why Section RWD */
@media (max-width: 1024px) {
    .why-title {
        font-size: 1.75rem;
    }

    .why-desc {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .why-section {
        padding: var(--spacing-2xl) 0;
    }

    .why-title {
        font-size: 1.5rem;
        padding: 0 var(--spacing-md);
    }

    .why-desc {
        font-size: 1rem;
        line-height: 1.9;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .why-title {
        font-size: 1.25rem;
    }

    .why-desc {
        font-size: 0.9375rem;
        line-height: 1.8;
        padding: var(--spacing-md);
    }
}

/* ===========================
   11. 關於區塊 (合法/安全/專業) - 霓虹風格 + 圖片版
   =========================== */
.about-section {
    background: var(--color-bg);
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.about-section .section-title {
    font-family: var(--font-heading);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 4px;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.4));
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
}

.about-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    position: relative;
    transition: all var(--transition-normal);
}

.about-item:last-child {
    margin-bottom: 0;
}

.about-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.about-item.reverse {
    flex-direction: row-reverse;
    text-align: right;
}

/* 圖片容器 */
.about-image {
    flex-shrink: 0;
    width: 45%;
    max-width: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: var(--gradient-neon);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
    pointer-events: none;
}

.about-item:hover .about-image::before {
    opacity: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
    filter: brightness(0.9);
}

.about-item:hover .about-image img {
    transform: scale(1.05);
    filter: brightness(1);
}

/* 舊版 icon 樣式保留（備用） */
.about-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: var(--glow-primary);
    transition: all var(--transition-normal);
}

.about-item:hover .about-icon {
    background: var(--color-primary);
    color: var(--color-bg);
}

.about-icon svg {
    width: 36px;
    height: 36px;
}

.about-text {
    flex: 1;
}

.about-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    opacity: 0.5;
}

.about-text h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: 1px;
}

.about-item p {
    color: var(--color-text);
    font-size: 1rem;
    margin: 0;
    line-height: 1.8;
}

/* ===== About Section RWD ===== */

/* Tablet - 1024px */
@media (max-width: 1024px) {
    .about-section .section-title {
        font-size: 1.75rem;
    }

    .about-item {
        gap: var(--spacing-xl);
        padding: var(--spacing-lg);
    }

    .about-image {
        width: 40%;
    }

    .about-number {
        font-size: 2.5rem;
    }

    .about-text h3 {
        font-size: 1.375rem;
    }

    .about-item p {
        font-size: 1rem;
    }
}

/* Tablet Portrait - 768px */
@media (max-width: 768px) {
    .about-section .section-title {
        font-size: 1.5rem;
    }

    .about-item,
    .about-item.reverse {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .about-image {
        width: 100%;
        max-width: 100%;
    }

    .about-number {
        font-size: 2.5rem;
    }

    .about-text h3 {
        font-size: 1.25rem;
    }

    .about-item p {
        font-size: 0.875rem;
    }
}

/* Mobile - 480px */
@media (max-width: 480px) {
    .about-section {
        padding: var(--spacing-2xl) 0;
    }

    .about-item {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .about-number {
        font-size: 2rem;
    }

    .about-text h3 {
        font-size: 1rem;
    }

    .about-item p {
        font-size: 0.8125rem;
        line-height: 1.8;
    }
}

/* ===========================
   12. 特色區塊 - 霓虹風格
   =========================== */
.features {
    background: var(--color-bg-light);
    padding: var(--spacing-3xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-4px);
}

.feature-card.featured {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-bg);
}

.feature-card.featured .feature-icon {
    background: rgba(15, 25, 35, 0.3);
    color: var(--color-bg);
    border-color: rgba(15, 25, 35, 0.5);
}

.feature-card.featured .feature-title {
    color: var(--color-bg);
}

.feature-card.featured .feature-desc {
    color: rgba(15, 25, 35, 0.9);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    background: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    border: 2px solid var(--color-primary);
    box-shadow: var(--glow-primary);
}

.feature-card:hover .feature-icon {
    background: var(--color-primary);
    color: var(--color-bg);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
    letter-spacing: 0.5px;
}

.feature-desc {
    color: var(--color-text-light);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ===========================
   13. 遊戲展示 - 霓虹風格
   =========================== */
.games {
    background: var(--color-bg-light);
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.4));
}

.section-subtitle {
    color: var(--color-text);
    font-size: 1.125rem;
    line-height: 1.6;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.game-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.game-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-4px);
}

.game-image {
    overflow: hidden;
    position: relative;
    line-height: 0; /* 移除圖片下方空隙 */
}

.game-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, var(--color-bg) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.game-card:hover .game-image::after {
    opacity: 1;
}

.game-image img {
    width: 100%;
    height: auto; /* 維持原始比例 */
    display: block; /* 移除行內元素空隙 */
    transition: transform var(--transition-slow);
}

.game-card:hover .game-image img {
    transform: scale(1.1);
}

.game-info {
    padding: var(--spacing-lg);
    text-align: center;
}

.game-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
    letter-spacing: 0.5px;
}

.game-desc {
    color: var(--color-text);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.game-info .btn {
    width: 100%;
}

/* ===========================
   14. 認證區塊 - 霓虹風格
   =========================== */
.certification {
    background: var(--color-bg);
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.certification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-neon);
    opacity: 0.3;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.cert-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.cert-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-4px);
}

.cert-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    background: transparent;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: var(--glow-primary);
    transition: all var(--transition-normal);
}

.cert-item:hover .cert-icon {
    background: var(--color-primary);
    color: var(--color-bg);
}

.cert-icon svg {
    width: 32px;
    height: 32px;
}

.cert-item h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
    letter-spacing: 1px;
}

.cert-item p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.6;
}

/* ===========================
   15. CTA 區塊 - 霓虹風格
   =========================== */
.cta-section {
    background: var(--color-bg-light);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 60%;
    background: radial-gradient(ellipse at center, rgba(123, 97, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.cta-text {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto var(--spacing-2xl);
    text-align: left;
}

.cta-text p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin: 0;
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    position: relative;
    transition: all var(--transition-normal);
}

.cta-text p::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.cta-text p:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

/* CTA Text RWD */
@media (max-width: 768px) {
    .cta-text {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .cta-text p {
        font-size: 0.9375rem;
        padding: var(--spacing-md);
    }
}

.cta-section .btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg);
    font-size: 1rem;
    padding: 16px 48px;
    box-shadow: var(--shadow-neon);
}

.cta-section .btn-primary:hover {
    box-shadow: var(--glow-primary), var(--shadow-button);
    transform: translateY(-3px);
}

/* ===========================
   16. Footer - 霓虹風格
   =========================== */
.site-footer {
    background: var(--color-bg);
    color: var(--color-text);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-neon);
    opacity: 0.5;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h4 {
    font-family: var(--font-heading);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-light);
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
}

.footer-column a:hover {
    color: var(--color-primary);
    text-shadow: var(--glow-text);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-bottom a {
    color: var(--color-primary);
}

.footer-bottom a:hover {
    text-shadow: var(--glow-text);
}

/* ===========================
   17. 動畫 - 霓虹效果
   =========================== */
@keyframes fade-in {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes neon-pulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 212, 255, 0.3),
                    0 0 20px rgba(0, 212, 255, 0.2),
                    0 0 30px rgba(0, 212, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 15px rgba(0, 212, 255, 0.5),
                    0 0 30px rgba(0, 212, 255, 0.3),
                    0 0 45px rgba(0, 212, 255, 0.2);
    }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.fade-in {
    animation: fade-in 0.4s var(--ease-smooth);
}

.neon-pulse {
    animation: neon-pulse 2s ease-in-out infinite;
}

.gradient-animate {
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* ===========================
   15. 響應式設計
   =========================== */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .features-grid .feature-card:nth-child(4),
    .features-grid .feature-card:nth-child(5) {
        grid-column: span 1;
    }
}

@media (max-width: 1024px) {
    .hero > .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-bg {
        width: 100%;
    }

    .hero-bg-overlay {
        width: 100%;
        background: linear-gradient(
            180deg,
            transparent 0%,
            transparent 30%,
            var(--color-bg) 60%,
            var(--color-bg) 100%
        );
    }

    .hero > .container {
        justify-content: center;
    }

    .hero-content {
        width: 100%;
        text-align: center;
        padding-top: 40vh;
    }

    /* Typography Scale - 1024px */
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 1.75rem; }
    .cta-title { font-size: 2rem; }
    .game-name { font-size: 1.125rem; }
    .cert-item h4 { font-size: 1.125rem; }

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

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

@media (max-width: 768px) {
    :root {
        --spacing-3xl: 3rem;
    }

    .site-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .main-nav {
        display: none;
    }

    /* Typography Scale - 768px */
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.875rem; }
    .hero-desc { font-size: 1rem; }
    .section-title { font-size: 1.5rem; }
    .section-subtitle { font-size: 1rem; }
    .cta-title { font-size: 1.75rem; }
    .cta-subtitle { font-size: 1rem; }
    .game-name { font-size: 1.125rem; }
    .game-desc { font-size: 0.9375rem; }
    .cert-item h4 { font-size: 1rem; }
    .cert-item p { font-size: 0.9375rem; }

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

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

    .cert-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

@media (max-width: 480px) {
    .hero-content {
        padding-top: 35vh;
    }

    /* Typography Scale - 480px */
    .hero-title { font-size: 1.75rem; }
    .hero-desc { font-size: 0.9375rem; }
    .section-title { font-size: 1.25rem; }
    .section-subtitle { font-size: 0.9375rem; }
    .cta-title { font-size: 1.5rem; }
    .cta-subtitle { font-size: 0.9375rem; }
    .game-name { font-size: 1rem; }
    .game-desc { font-size: 0.875rem; }
    .cert-item h4 { font-size: 0.9375rem; }
    .cert-item p { font-size: 0.875rem; }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===========================
   16. 浮動客服按鈕
   =========================== */
.floating-contact {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 20px;
    background: var(--gradient-primary);
    color: var(--color-bg);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-button), 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.floating-contact:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--glow-primary), 0 8px 30px rgba(0, 0, 0, 0.4);
    color: var(--color-bg);
}

.floating-contact svg {
    flex-shrink: 0;
}

/* Mobile - 隱藏文字只顯示圖示 */
@media (max-width: 768px) {
    .floating-contact {
        padding: 14px;
        bottom: 16px;
        right: 16px;
    }

    .floating-contact span {
        display: none;
    }
}

/* ===========================
   17. 無障礙支援
   =========================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus 狀態 - 霓虹效果 */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* 跳過連結 - 霓虹風格 */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    z-index: 9999;
    transition: top var(--transition-fast);
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: var(--glow-primary);
}

.skip-link:focus {
    top: var(--spacing-sm);
    color: var(--color-bg);
}

/* ===========================
   17. 進場動畫
   =========================== */
.animate-ready {
    opacity: 0;
    transform: translateY(30px);
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s var(--ease-bounce);
}

/* 延遲動畫 - 用於網格項目 */
.features-grid .animate-in:nth-child(1) { transition-delay: 0.1s; }
.features-grid .animate-in:nth-child(2) { transition-delay: 0.2s; }
.features-grid .animate-in:nth-child(3) { transition-delay: 0.3s; }
.features-grid .animate-in:nth-child(4) { transition-delay: 0.4s; }

.games-grid .animate-in:nth-child(1) { transition-delay: 0.1s; }
.games-grid .animate-in:nth-child(2) { transition-delay: 0.15s; }
.games-grid .animate-in:nth-child(3) { transition-delay: 0.2s; }
.games-grid .animate-in:nth-child(4) { transition-delay: 0.25s; }

/* ===========================
   18. Header 滾動狀態 - 霓虹風格
   =========================== */
.site-header.scrolled {
    background: rgba(15, 25, 35, 0.98);
    box-shadow: var(--shadow-neon);
    border-bottom-color: var(--color-primary);
}

/* ===========================
   19. 手機版選單
   =========================== */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* 漢堡選單動畫 */
.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .header-cta {
        display: none;
    }

    .main-nav {
        position: fixed;
        top: 70px;
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        background: var(--color-bg-elevated);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-neon);
        padding: var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-sm);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-normal);
        border: 1px solid var(--color-border);
        backdrop-filter: blur(20px);
    }

    .main-nav.is-open {
        display: flex;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-nav a {
        display: block;
        padding: var(--spacing-md);
        text-align: center;
        border-radius: var(--radius-md);
        color: var(--color-text);
    }

    .main-nav a:hover {
        background: rgba(0, 212, 255, 0.1);
        color: var(--color-primary);
    }
}

/* ===========================
   20. 聯絡清單樣式
   =========================== */
.contact-list li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-list .icon {
    flex-shrink: 0;
}