/*!
Theme Name: The One 樂旺娛樂城 V6
Theme URI: https://theone-casino.com
Author: The One Team
Author URI: https://theone-casino.com
Description: 專為線上娛樂城設計的WordPress主題，提供完整的遊戲展示、優惠活動、品牌介紹等功能。支援自定義Logo、輪播圖、聯絡資訊等，打造專業的娛樂城網站。搭載 Swiper 輪播（1.5 slides 顯示），支援響應式設計和自適應高度。
Version: 6.0
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: theone06
Tags: entertainment, casino, gaming, custom-header, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, swiper, responsive
*/

/* ===========================
   1. CSS 變數
   =========================== */
:root {
    /* 主要色彩 - 深蓝金配色 */
    --color-primary: #003D82;
    /* 深邃蓝 */
    --color-primary-light: #0059B8;
    /* 明亮蓝 */
    --color-primary-dark: #002957;
    /* 暗蓝 */
    --color-secondary: #FFFFFF;
    --color-accent: #FFD700;
    /* 金色 */
    --color-accent-light: #FFE55C;
    --color-accent-dark: #D4AF37;

    /* 文字颜色 */
    --color-text: #FFFFFF;
    --color-text-light: #E5EEFF;
    --color-text-muted: #A0B3CC;
    --color-text-dark: #1A1A2E;

    /* 背景色 */
    --color-bg: #0A1628;
    /* 深色背景 */
    --color-bg-light: #0F1E33;
    --color-bg-card: #1A2942;
    --color-bg-elevated: #243752;

    /* 漸層 */
    --gradient-primary: linear-gradient(135deg, #003D82 0%, #0059B8 100%);
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-hero: linear-gradient(180deg, rgba(0, 61, 130, 0.95) 0%, rgba(10, 22, 40, 0.98) 100%);
    --gradient-card: linear-gradient(135deg, rgba(26, 41, 66, 0.8) 0%, rgba(36, 55, 82, 0.9) 100%);

    /* 字體 */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "Microsoft YaHei", "Noto Sans TC", sans-serif;
    --font-display: "Microsoft JhengHei", "PMingLiU", serif;

    /* 間距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --spacing-2xl: 8rem;

    /* 陰影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(255, 215, 0, 0.3);
    --shadow-glow-blue: 0 0 30px rgba(0, 89, 184, 0.4);

    /* 圓角 */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* 過渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===========================
   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-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* ===========================
   3. 通用樣式
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition-normal);
    cursor: pointer;
}

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

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

.btn-gold {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--color-dark);
    font-weight: 700;
}

.btn-gold:hover {
    background: linear-gradient(135deg, #FFA500, #FFD700);
    transform: translateY(-2px);
}

/* ===========================
   4. Header
   =========================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.site-logo img {
    height: 50px;
    width: auto;
}

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

.main-nav a {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* LINE 客服懸浮按鈕 */
.line-support {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #00B900;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    cursor: pointer;
}

.line-support:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 185, 0, 0.5);
}

/* ===========================
   5. Banner Hero
   =========================== */
.banner-hero {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--color-bg-light);
}

.banner-hero__swiper {
    width: 100%;
}

.banner-hero__slide {
    position: relative;
    aspect-ratio: 800 / 344;
    /* 確保 800x344 比例 */
}

.banner-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Pagination */
.banner-hero__pagination {
    position: absolute;
    bottom: 0px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    text-align: center;
    z-index: 10;
}

.banner-hero__pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    transition: var(--transition-fast);
}

.banner-hero__pagination .swiper-pagination-bullet-active {
    background: var(--color-accent);
    width: 32px;
    border-radius: 6px;
}

/* Navigation */
.banner-hero__btn-prev,
.banner-hero__btn-next {
    color: #fff;
    background: rgba(0, 0, 0, 0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.banner-hero__btn-prev:hover,
.banner-hero__btn-next:hover {
    background: rgba(0, 0, 0, 0.5);
}

.banner-hero__btn-prev::after,
.banner-hero__btn-next::after {
    font-size: 20px;
}

/* RWD: 大於 768px 使用全螢幕寬度 */
@media (min-width: 768px) {
    .banner-hero {
        width: 100vw;
        max-width: 100vw;
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
    }
}

/* ===========================
   6. 遊戲分類 (Game Categories)
   =========================== */
.game-categories {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-section);
    position: relative;
    overflow: hidden;
}

.game-categories::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-180%, -30%);
    width: 500px;
    height: 700px;
    background-image: url('/wp-content/themes/theone_03/assets/images/messi.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 1;
    pointer-events: none;
    z-index: 100;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: #ffffff;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.category-card {
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: block;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.category-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    position: relative;
    z-index: 1;
}

.category-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.category-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.category-desc {
    font-size: 0.938rem;
    color: var(--color-text-light);
    position: relative;
    z-index: 1;
}

/* ===========================
   7. 四大核心優勢 (Advantages)
   =========================== */
.advantages-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.advantage-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.advantage-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.advantage-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.advantage-desc {
    font-size: 0.938rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===========================
   8. 品牌介紹 (Brand Intro)
   =========================== */
.brand-intro {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.intro-content p {
    font-size: 1.063rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ===========================
   9. Footer
   =========================== */
.site-footer {
    background: var(--gradient-primary);
    color: var(--color-text);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: var(--color-dark);
}

.footer-partners {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-partners h4 {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.partner-badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-light);
    transition: var(--transition-fast);
}

.partner-badge:hover {
    background: rgba(255, 215, 0, 0.2);
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===========================
   10. 響應式設計
   =========================== */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    /* Banner Hero 手機版：隱藏導航按鈕 */
    .banner-hero__btn-prev,
    .banner-hero__btn-next {
        display: none;
    }

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

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

@media (max-width: 480px) {
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .category-card {
        padding: var(--spacing-md);
    }
}

/* ===========================
   11. Header 完整样式
   =========================== */
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.site-branding .site-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.site-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-display);
    text-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.site-tagline {
    font-size: 0.75rem;
    color: var(--color-text-light);
    letter-spacing: 2px;
    font-weight: 500;
}

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

.nav-menu li a {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.938rem;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu li a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.btn-register,
.btn-login {
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.938rem;
    transition: all var(--transition-normal);
}

.btn-register {
    background: var(--gradient-gold);
    color: var(--color-text-dark);
}

.btn-register:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-login {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.menu-icon span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

.fixed-line-btn {
    position: fixed;
    right: 20px;
    bottom: 80px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #00B900;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    color: white;
}

.fixed-line-btn svg {
    width: 24px;
    height: 24px;
}

.fixed-line-btn span {
    font-size: 0.75rem;
    font-weight: 600;
}

.fixed-line-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 185, 0, 0.6);
}

/* ===========================
   12. Announcements Section
   =========================== */
.announcements-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9) 0%, rgba(26, 41, 66, 0.85) 100%);
    position: relative;
    overflow: hidden;
}

.announcements-section::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(85%, -40%);
    width: 500px;
    height: 700px;
    background-image: url('/wp-content/themes/theone_03/assets/images/zeus-character.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 1;
    pointer-events: none;
    z-index: 100;
}

.announcements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.announcement-card {
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.announcement-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.announcement-image {
    position: relative;
    width: 100%;
    height: 200px;
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.announcement-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.announcement-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-gold);
    color: var(--color-text-dark);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-lg);
    font-size: 0.813rem;
    font-weight: 600;
}

.announcement-content {
    padding: var(--spacing-md);
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.announcement-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.announcement-date {
    font-size: 0.813rem;
    color: var(--color-text-muted);
}

.announcement-excerpt {
    font-size: 0.938rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    /* 多行文本截断 - 显示4行约200字 */
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.announcement-link {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.938rem;
    transition: var(--transition-fast);
}

.announcement-link:hover {
    color: var(--color-accent-light);
}

/* ===========================
   13. Game Categories 增强样式
   =========================== */
.category-card {
    display: flex;
    flex-direction: column;
}

.category-image {
    position: relative;
    width: 100%;
    height: 180px;
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.category-image .category-icon {
    position: absolute;
    bottom: -10px;
    right: 20px;
    font-size: 3rem;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}

.category-content {
    padding: var(--spacing-md);
}

.category-subtitle {
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.category-providers {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
}

.provider-badge {
    padding: 0.25rem 0.75rem;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 500;
}

/* ===========================
   14. Promotions Section
   =========================== */
.promotions-section {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-section);
}

.advantages-section {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-section);
    position: relative;
    overflow: hidden;
}

.advantages-section::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(130%, -60%);
    width: 400px;
    height: 500px;
    background-image: url('/wp-content/themes/theone_03/assets/images/thes.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 1;
    pointer-events: none;
    z-index: 100;
}

.promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.promotion-card {
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.promotion-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.promotion-image {
    position: relative;
    width: 100%;
    height: auto;
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.promotion-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.promotion-amount {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-gold);
    color: var(--color-text-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.promotion-content {
    padding: var(--spacing-md);
}

.promotion-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.promotion-desc {
    font-size: 0.938rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.promotion-conditions {
    font-size: 0.813rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

.conditions-label {
    color: var(--color-accent);
    font-weight: 600;
}

/* ===========================
   15. Advantages Section 增强样式
   =========================== */
.section-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-top: -var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.advantage-subtitle {
    font-size: 0.938rem;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-sm);
}

/* ===========================
   16. Brand Introduction 完整样式
   =========================== */
.brand-intro-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.brand-intro-image {
    width: 100%;
    height: 100%;
    min-height: 400px;
    max-height: 700px;
    background: #ffffff;
    background-color: white !important;
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-intro-image img {
    height: 100%;
    object-fit: contain;
}

.brand-intro-content {
    padding: var(--spacing-md);
}

.brand-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.brand-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.brand-text p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.brand-features {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.05);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-sm);
}

.brand-features h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.features-list {
    display: grid;
    gap: 0.75rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.938rem;
    color: var(--color-text-light);
}

.feature-icon {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.125rem;
}

.brand-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.063rem;
}

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

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-text-dark);
}

/* ===========================
   17. Footer 完整样式
   =========================== */
.footer-partners {
    padding: var(--spacing-lg) 0;
    background: rgba(0, 0, 0, 0.2);
}

.partners-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.partners-marquee {
    overflow: hidden;
    position: relative;
}

.partners-track {
    display: flex;
    gap: var(--spacing-md);
    animation: marquee 30s linear infinite;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.partner-item {
    flex: 0 0 auto;
    padding: var(--spacing-sm);
}

.partner-item img {
    height: 40px;
    width: auto;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.partner-item:hover img {
    opacity: 1;
}

.footer-content {
    padding: var(--spacing-lg) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.brand-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 1px;
}

.footer-desc {
    font-size: 0.938rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-license {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.813rem;
    color: var(--color-text-muted);
    padding: 0.75rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: var(--radius-sm);
}

.footer-menu {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-menu li a {
    font-size: 0.938rem;
    color: var(--color-text-light);
    transition: var(--transition-fast);
}

.footer-menu li a:hover {
    color: var(--color-accent);
    padding-left: 0.5rem;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.938rem;
    color: var(--color-text-light);
}

.contact-icon {
    font-size: 1.125rem;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: rgba(255, 215, 0, 0.1);
    transform: translateX(4px);
}

.social-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
}

.social-name {
    font-size: 0.938rem;
}

.payment-methods {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.payment-title {
    font-size: 0.938rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.payment-icons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.payment-icon {
    font-size: 1.5rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.payment-icon:hover {
    opacity: 1;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-meta-link {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.footer-meta-link:hover {
    color: var(--color-accent);
}

.separator {
    color: var(--color-text-muted);
}

.age-restriction {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 0, 0, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.restriction-icon {
    font-size: 1.5rem;
}

.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    cursor: pointer;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-glow-blue);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    color: var(--color-text);
}

/* ===========================
   18. Mobile Responsive Updates
   =========================== */
@media (max-width: 992px) {
    .brand-intro-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-navigation,
    .header-actions {
        display: none;
    }

    .announcements-grid,
    .promotions-grid {
        grid-template-columns: 1fr;
    }

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

    .brand-cta {
        flex-direction: column;
    }

    .btn-lg {
        width: 100%;
    }
}

/* ===========================
   紧急修复:移动端菜单和页脚样式
   =========================== */

/* 隐藏移动端菜单 overlay (桌面端默认不显示) */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100%;
    background: var(--gradient-primary);
    padding: var(--spacing-lg);
    overflow-y: auto;
    transition: right var(--transition-normal);
    z-index: 10000;
}

.mobile-menu-overlay.active .mobile-menu-content {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: var(--color-text);
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-menu {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-menu li a {
    display: block;
    padding: 1rem;
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.mobile-nav-menu li a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* 修复页脚社交媒体和支付方式排版 */
.footer-social {
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.payment-methods {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.payment-title {
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.payment-icons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.payment-icon {
    font-size: 1.5rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.payment-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* 修复占位图片显示 */
.announcement-image img,
.category-image img,
.promotion-image img {
    background: var(--color-bg-elevated);
}

.brand-intro-image img {
    background: white;
}

/* 占位图片空状态样式 */
.announcement-image:not(:has(img)),
.category-image:not(:has(img)),
.promotion-image:not(:has(img)),
.brand-intro-image:not(:has(img)),
.partner-item:not(:has(img)) {
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.announcement-image:not(:has(img))::before,
.category-image:not(:has(img))::before,
.promotion-image:not(:has(img))::before {
    content: '图片占位';
}

.brand-intro-image:not(:has(img))::before {
    content: '品牌形象';
}

.partner-item:not(:has(img))::before {
    content: 'Logo';
}

/* 最终修复:页脚社交媒体列的布局 */
.footer-column.footer-social {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
}