/* ============================================================
   工业朋克风（Industrial Punk / Neon Metropolis Style）
   主样式表 - indust-main.css
   色彩体系：午夜黑 #1B1B1B | 工业洋红 #BF360C | 工业青 #37474F
              深空蓝 #9E9E9E | 银灰 #FFC107
   ============================================================ */

/* === 字体加载 === */
@font-face {
    font-family: 'Oswald';
    src: url('../fonts/Oswald-Variable.ttf') format('truetype');
    font-weight: 200 700;
    font-display: swap;
}
@font-face {
    font-family: 'Barlow Condensed';
    src: url('../fonts/BarlowCondensed-Regular.ttf') format('truetype');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Barlow Condensed';
    src: url('../fonts/BarlowCondensed-Bold.ttf') format('truetype');
    font-weight: 700;
    font-display: swap;
}

/* === CSS变量 === */
:root {
    --indust-midnight: #1B1B1B;
    --indust-magenta: #BF360C;
    --indust-cyan: #37474F;
    --indust-deepspace: #9E9E9E;
    --indust-silver: #FFC107;
    --indust-font-heading: 'Oswald', 'PingFang SC', sans-serif;
    --indust-font-body: 'Barlow Condensed', 'Microsoft YaHei', sans-serif;
    --indust-glow-magenta: 0 0 15px rgba(191, 54, 12, 0.6), 0 0 30px rgba(191, 54, 12, 0.3);
    --indust-glow-cyan: 0 0 15px rgba(55, 71, 79, 0.6), 0 0 30px rgba(55, 71, 79, 0.3);
    --indust-glow-silver: 0 0 10px rgba(255, 193, 7, 0.4);
}

/* === 重置与基础 === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: var(--indust-font-body);
    background-color: var(--indust-midnight);
    color: var(--indust-silver);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}
/* 电路板背景纹理 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(55, 71, 79, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(55, 71, 79, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* === 排版 === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--indust-font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--indust-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
}
h1 { font-size: 2.8rem; color: var(--indust-cyan); text-shadow: var(--indust-glow-cyan); }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.1rem; }
p { margin-bottom: 1rem; font-size: 1rem; }
a {
    color: var(--indust-magenta);
    text-decoration: none;
    transition: color 0.3s, text-shadow 0.3s;
}
a:hover {
    color: var(--indust-silver);
    text-shadow: var(--indust-glow-silver);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* === 导航栏 === */
.indust-nav-bar {
    position: relative; /* 非sticky，非fixed */
    width: 100%;
    background: rgba(27, 27, 27, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--indust-magenta);
    z-index: 1000;
    padding: 0 1rem;
}
.indust-nav-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.indust-nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.indust-nav-logo img {
    height: 40px;
    width: auto;
}
.indust-nav-links {
    display: flex;
    list-style: none;
    gap: 0;
}
.indust-nav-links li {
    position: relative;
}
.indust-nav-links li a {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    height: 64px;
    color: var(--indust-silver);
    font-family: var(--indust-font-heading);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: color 0.3s, background 0.3s;
    white-space: nowrap;
}
.indust-nav-links li a:hover,
.indust-nav-links li a.indust-active {
    color: var(--indust-cyan);
    background: rgba(55, 71, 79, 0.15);
}
.indust-nav-links li a.indust-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--indust-cyan);
    box-shadow: var(--indust-glow-cyan);
    animation: indust-pulse-line 2s infinite;
}
/* 移动端菜单按钮 */
.indust-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}
.indust-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--indust-magenta);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
    box-shadow: 0 0 6px rgba(191, 54, 12, 0.5);
}
.indust-menu-toggle.indust-open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.indust-menu-toggle.indust-open span:nth-child(2) {
    opacity: 0;
}
.indust-menu-toggle.indust-open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* === 面包屑导航 === */
.indust-breadcrumb {
    max-width: 1440px;
    margin: 1rem auto;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--indust-deepspace);
}
.indust-breadcrumb a {
    color: var(--indust-deepspace);
}
.indust-breadcrumb a:hover {
    color: var(--indust-magenta);
}
.indust-breadcrumb span {
    margin: 0 0.5rem;
    color: var(--indust-cyan);
}

/* === Hero区域 === */
.indust-hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.indust-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.indust-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.7);
    z-index: 1;
}
.indust-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 2rem;
}
.indust-hero-content h1 {
    font-size: 3.2rem;
    color: var(--indust-cyan);
    text-shadow: 0 0 20px rgba(55, 71, 79, 0.8), 0 0 40px rgba(55, 71, 79, 0.4);
    margin-bottom: 1rem;
    animation: indust-neon-flicker 4s infinite;
}
.indust-hero-subtitle {
    font-size: 1.4rem;
    color: var(--indust-deepspace);
    margin-bottom: 1.5rem;
    font-family: var(--indust-font-body);
}
.indust-hero-text {
    font-size: 1rem;
    color: var(--indust-silver);
    margin-bottom: 2rem;
    line-height: 1.8;
}
.indust-hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === 按钮 === */
.indust-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: var(--indust-magenta);
    color: var(--indust-midnight);
    font-family: var(--indust-font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
    transition: transform 0.3s, box-shadow 0.3s;
    min-width: 44px;
    min-height: 44px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}
.indust-btn-primary:hover {
    transform: scale(1.05);
    box-shadow: var(--indust-glow-magenta);
    color: var(--indust-midnight);
}
.indust-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: transparent;
    color: var(--indust-cyan);
    font-family: var(--indust-font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    border: 2px solid var(--indust-cyan);
    cursor: pointer;
    clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
    transition: border-color 0.3s, box-shadow 0.3s, color 0.3s;
    min-width: 44px;
    min-height: 44px;
    text-decoration: none;
}
.indust-btn-secondary:hover {
    border-color: var(--indust-silver);
    box-shadow: var(--indust-glow-cyan);
    color: var(--indust-silver);
}

/* === 卡片 === */
.indust-casino-card {
    background: rgba(158, 158, 158, 0.08);
    border: 1px solid var(--indust-cyan);
    clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}
.indust-casino-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--indust-glow-magenta);
}
.indust-casino-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(191, 54, 12, 0.05), transparent);
    pointer-events: none;
}

/* === 六大游戏殿堂网格 === */
.indust-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* === 区块容器 === */
.indust-section {
    position: relative;
    padding: 4rem 1rem;
    z-index: 1;
}
.indust-section-inner {
    max-width: 1440px;
    margin: 0 auto;
}
.indust-section-title {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}
.indust-section-title::after {
    content: '';
    display: block;
    width: 120px;
    height: 2px;
    background: var(--indust-magenta);
    margin: 1rem auto 0;
    box-shadow: var(--indust-glow-magenta);
}

/* === 试玩区 === */
.indust-trial-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.indust-trial-tab {
    padding: 10px 20px;
    background: rgba(55, 71, 79, 0.2);
    border: 1px solid var(--indust-cyan);
    color: var(--indust-silver);
    font-family: var(--indust-font-heading);
    cursor: pointer;
    transition: all 0.3s;
    min-width: 44px;
    min-height: 44px;
}
.indust-trial-tab:hover,
.indust-trial-tab.indust-tab-active {
    background: var(--indust-magenta);
    color: var(--indust-midnight);
    border-color: var(--indust-magenta);
}

/* === 影院区 === */
.indust-cinema-screen {
    position: relative;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    background: rgba(158, 158, 158, 0.1);
    border: 2px solid var(--indust-cyan);
    overflow: hidden;
}
.indust-cinema-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.indust-cinema-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(191, 54, 12, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}
.indust-cinema-play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: var(--indust-glow-magenta);
}
.indust-cinema-play-btn::after {
    content: '';
    border-left: 20px solid var(--indust-midnight);
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 4px;
}

/* === 注册表单 === */
.indust-register-form {
    max-width: 500px;
    margin: 0 auto;
}
.indust-form-group {
    margin-bottom: 1.2rem;
}
.indust-form-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(158, 158, 158, 0.1);
    border: none;
    border-bottom: 2px solid var(--indust-cyan);
    color: var(--indust-silver);
    font-family: var(--indust-font-body);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    min-height: 44px;
}
.indust-form-input:focus {
    outline: none;
    border-bottom-color: var(--indust-magenta);
    box-shadow: 0 2px 10px rgba(191, 54, 12, 0.3);
    animation: indust-neon-flicker 2s infinite;
}
.indust-form-input::placeholder {
    color: var(--indust-deepspace);
}

/* === VIP摩天楼 === */
.indust-vip-tower {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}
.indust-vip-floor {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(158, 158, 158, 0.06);
    border-left: 4px solid var(--indust-cyan);
    transition: all 0.3s;
    cursor: pointer;
}
.indust-vip-floor:hover {
    border-left-color: var(--indust-magenta);
    background: rgba(191, 54, 12, 0.08);
    box-shadow: var(--indust-glow-magenta);
}
.indust-vip-level-badge {
    font-family: var(--indust-font-heading);
    font-size: 1.8rem;
    color: var(--indust-magenta);
    min-width: 60px;
    text-align: center;
    text-shadow: var(--indust-glow-magenta);
}

/* === 安全认证 === */
.indust-security-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}
.indust-security-badge {
    text-align: center;
    max-width: 200px;
}
.indust-security-badge img {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    border: 2px solid var(--indust-cyan);
    border-radius: 50%;
    padding: 10px;
}

/* === 活动广场 === */
.indust-event-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.indust-event-card {
    background: rgba(158, 158, 158, 0.06);
    border: 1px solid var(--indust-cyan);
    padding: 1.5rem;
    transition: all 0.3s;
}
.indust-event-card:hover {
    border-color: var(--indust-magenta);
    box-shadow: var(--indust-glow-magenta);
}
.indust-event-card h4 {
    color: var(--indust-magenta);
    margin-bottom: 0.8rem;
}

/* === 首充模块 === */
.indust-deposit-plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.indust-deposit-card {
    background: rgba(191, 54, 12, 0.08);
    border: 2px solid var(--indust-magenta);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s;
    clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.indust-deposit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--indust-glow-magenta);
}
.indust-deposit-amount {
    font-family: var(--indust-font-heading);
    font-size: 2.5rem;
    color: var(--indust-silver);
    text-shadow: var(--indust-glow-silver);
}

/* === 负责任博弈 === */
.indust-curfew-section {
    background: rgba(27, 27, 27, 0.95);
    border-top: 2px solid var(--indust-magenta);
    padding: 3rem 1rem;
}
.indust-curfew-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}
.indust-curfew-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
}
.indust-curfew-text {
    color: var(--indust-deepspace);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* === 页脚 === */
.indust-footer {
    background: rgba(20, 20, 20, 0.98);
    border-top: 1px solid var(--indust-cyan);
    padding: 3rem 1rem 1.5rem;
    position: relative;
    z-index: 1;
}
.indust-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1440px;
    margin: 0 auto 2rem;
}
.indust-footer-col h5 {
    color: var(--indust-magenta);
    margin-bottom: 1rem;
    font-size: 1rem;
}
.indust-footer-col ul {
    list-style: none;
}
.indust-footer-col ul li {
    margin-bottom: 0.5rem;
}
.indust-footer-col ul li a {
    color: var(--indust-deepspace);
    font-size: 0.9rem;
    transition: color 0.3s;
}
.indust-footer-col ul li a:hover {
    color: var(--indust-silver);
}
.indust-footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
.indust-footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--indust-cyan);
    border-radius: 50%;
    transition: all 0.3s;
}
.indust-footer-social a:hover {
    border-color: var(--indust-magenta);
    box-shadow: var(--indust-glow-magenta);
}
.indust-footer-social img {
    width: 24px;
    height: 24px;
}
.indust-footer-bottom {
    max-width: 1440px;
    margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(55, 71, 79, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.indust-footer-payment {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.indust-footer-payment img {
    width: 40px;
    height: 40px;
    filter: grayscale(100%) brightness(1.5);
    opacity: 0.7;
    transition: opacity 0.3s;
}
.indust-footer-payment img:hover {
    opacity: 1;
}
.indust-footer-18plus {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--indust-deepspace);
    font-size: 0.85rem;
}
.indust-footer-18plus img {
    width: 40px;
    height: 40px;
}
.indust-footer-license {
    text-align: center;
    color: var(--indust-deepspace);
    font-size: 0.8rem;
    margin-top: 1rem;
}

/* ============================================================
   动画效果
   ============================================================ */

/* 动画1：工业闪烁（Neon Flicker） */
@keyframes indust-neon-flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        opacity: 1;
        text-shadow: 0 0 20px rgba(55, 71, 79, 0.8), 0 0 40px rgba(55, 71, 79, 0.4);
    }
    20%, 24%, 55% {
        opacity: 0.85;
        text-shadow: none;
    }
}

/* 动画2：全息投影显现（Hologram Reveal） */
@keyframes indust-hologram-reveal {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
        filter: blur(4px) hue-rotate(20deg);
        clip-path: inset(0 0 100% 0);
    }
    30% {
        opacity: 0.5;
        filter: blur(2px) hue-rotate(10deg);
        clip-path: inset(0 0 50% 0);
    }
    60% {
        filter: blur(1px) hue-rotate(0deg);
        clip-path: inset(0 0 10% 0);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0) hue-rotate(0deg);
        clip-path: inset(0 0 0 0);
    }
}
.indust-hologram-enter {
    animation: indust-hologram-reveal 0.8s ease-out forwards;
}
.indust-hologram-hidden {
    opacity: 0;
    transform: translateY(20px);
}

/* 动画3：脉冲波纹（Pulse Ripple） */
@keyframes indust-pulse-ripple {
    0% {
        box-shadow: 0 0 0 0 rgba(191, 54, 12, 0.5);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(191, 54, 12, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(191, 54, 12, 0);
    }
}
.indust-btn-primary:hover,
.indust-casino-card:hover {
    animation: indust-pulse-ripple 0.6s ease-out;
}

/* 动画4：脉冲线条 */
@keyframes indust-pulse-line {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* 数据流瀑布在Canvas中实现 */

/* ============================================================
   内页专用样式
   ============================================================ */
.indust-page-banner {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.indust-page-banner img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.indust-page-banner-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(27, 27, 27, 0.75);
}
.indust-page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
}
.indust-page-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1rem;
    position: relative;
    z-index: 1;
}
.indust-page-content h2 {
    margin: 2rem 0 1rem;
    color: var(--indust-magenta);
}
.indust-page-content h3 {
    margin: 1.5rem 0 0.8rem;
    color: var(--indust-cyan);
}
.indust-page-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}
.indust-page-gallery img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border: 1px solid var(--indust-cyan);
    transition: transform 0.3s, box-shadow 0.3s;
}
.indust-page-gallery img:hover {
    transform: scale(1.03);
    box-shadow: var(--indust-glow-magenta);
}

/* RTP信息表 */
.indust-rtp-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}
.indust-rtp-table th,
.indust-rtp-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(55, 71, 79, 0.3);
    font-size: 0.95rem;
}
.indust-rtp-table th {
    background: rgba(55, 71, 79, 0.2);
    color: var(--indust-cyan);
    font-family: var(--indust-font-heading);
}
.indust-rtp-table tr:hover {
    background: rgba(191, 54, 12, 0.05);
}

/* FAQ区域 */
.indust-faq-item {
    border: 1px solid var(--indust-cyan);
    margin-bottom: 0.8rem;
    overflow: hidden;
}
.indust-faq-question {
    padding: 1rem 1.5rem;
    background: rgba(55, 71, 79, 0.1);
    cursor: pointer;
    font-family: var(--indust-font-heading);
    color: var(--indust-silver);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 44px;
    transition: background 0.3s;
}
.indust-faq-question:hover {
    background: rgba(55, 71, 79, 0.2);
}
.indust-faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--indust-deepspace);
    line-height: 1.8;
}
.indust-faq-item.indust-faq-open .indust-faq-answer {
    max-height: 500px;
    padding: 1rem 1.5rem;
}

/* APP下载页 */
.indust-app-download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 2rem auto;
}
.indust-app-card {
    background: rgba(158, 158, 158, 0.06);
    border: 2px solid var(--indust-cyan);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}
.indust-app-card:hover {
    border-color: var(--indust-magenta);
    box-shadow: var(--indust-glow-magenta);
}
.indust-app-card img {
    max-width: 200px;
    margin: 0 auto 1.5rem;
}

/* ============================================================
   响应式设计 - Mobile First
   ============================================================ */
@media (max-width: 1024px) {
    .indust-game-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .indust-deposit-plans {
        grid-template-columns: repeat(2, 1fr);
    }
    .indust-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.3rem; }

    .indust-hero-content h1 {
        font-size: 2.2rem;
    }
    .indust-hero-subtitle {
        font-size: 1.1rem;
    }

    /* 移动端导航 */
    .indust-menu-toggle {
        display: flex;
    }
    .indust-nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: rgba(27, 27, 27, 0.98);
        flex-direction: column;
        border-bottom: 2px solid var(--indust-magenta);
        backdrop-filter: blur(10px);
    }
    .indust-nav-links.indust-nav-open {
        display: flex;
    }
    .indust-nav-links li a {
        padding: 1rem 1.5rem;
        height: auto;
        border-bottom: 1px solid rgba(55, 71, 79, 0.2);
    }

    .indust-game-grid {
        grid-template-columns: 1fr;
    }
    .indust-event-grid {
        grid-template-columns: 1fr;
    }
    .indust-deposit-plans {
        grid-template-columns: 1fr;
    }
    .indust-page-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    .indust-footer-grid {
        grid-template-columns: 1fr;
    }
    .indust-curfew-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .indust-app-download-grid {
        grid-template-columns: 1fr;
    }
    .indust-security-badges {
        gap: 1.5rem;
    }
    .indust-footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 414px) {
    html { font-size: 14px; }
    .indust-hero-content h1 {
        font-size: 1.8rem;
    }
    .indust-page-gallery {
        grid-template-columns: 1fr;
    }
    .indust-hero-cta {
        flex-direction: column;
        align-items: center;
    }
}

/* 确保所有触控目标 >= 44x44px */
button, a, input, select, textarea, [role="button"] {
    min-height: 44px;
}
a {
    display: inline-flex;
    align-items: center;
}

/* 确保最小字号 >= 14px */
body, p, li, td, th, span, label, input, textarea, select {
    font-size: max(0.875rem, 14px);
}