:root {
    --bg-dark: #07090e;
    --primary: #00fff9;
    --primary-rgb: 0, 255, 249;
    --accent-purple: #8b5cf6;
    --accent-purple-rgb: 139, 92, 246;
    --accent-gold: #f59e0b;
    --accent-gold-rgb: 245, 158, 11;
    --text-main: #ffffff;
    --text-muted: #e2e8f0;
    --border-color: rgba(255, 255, 255, 0.05);
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}
html::-webkit-scrollbar {
    display: none; /* Webkit (Chrome/Safari) */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* 预加载进度层 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-dark);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px dashed var(--primary);
    border-top: 3px solid transparent;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    animation: spin 1.5s linear infinite;
}

.loader-text {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(0, 255, 249, 0.4);
    margin-bottom: 0.5rem;
}

.loader-subtext {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.loader-progress-bar-container {
    width: 280px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    margin: 1.2rem auto;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.loader-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple));
    box-shadow: 0 0 10px rgba(0, 255, 249, 0.6);
    transition: width 0.1s ease;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 赛博网格背景 */
.cyber-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.cyber-grid {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.007) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.007) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg);
    animation: grid-scroll 40s linear infinite;
}

@keyframes grid-scroll {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.glow-spot {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.1;
    pointer-events: none;
}

.glow-spot-1 {
    top: 20%;
    left: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.glow-spot-2 {
    bottom: 10%;
    right: 15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
}

/* Canvas 舞台 */
#chip-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
}

/* 纯占位滚动区间 */
.scroll-spacer {
    height: 480vh; /* 4.8倍视口，提供更充裕的滚动帧与3D天降交互空间 */
    width: 100%;
    pointer-events: none;
}

/* 固定定位的导航 */
.test-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    pointer-events: auto;
}

.test-header .logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--text-main);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.test-header .logo span {
    color: var(--primary);
}

.btn-return {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1.4rem;
    background-color: rgba(10, 12, 18, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.btn-return:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 255, 249, 0.25);
    background-color: rgba(0, 255, 249, 0.05);
}

/* 固定定位文字容器 */
.info-panel-container {
    position: fixed;
    top: 52%;
    left: 8%;
    transform: translateY(-50%);
    width: 520px;
    height: 600px;
    z-index: 5;
    pointer-events: none; /* 卡片组本身穿透，子卡片激活时响应 */
}

/* 单个全息面板 */
.info-panel {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%) translateY(30px); /* 默认偏下，出场淡出 */
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 
        opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
        transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), 
        visibility 0.9s;
    padding-left: 2rem;
    border-left: 2px solid transparent;
}

/* 面板激活状态（JS 精准按帧注入） */
.info-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateY(0); /* 回复中心 */
    pointer-events: auto;
}

/* 左侧光导线与渐变背景控制 */
#panel-intro.active {
    border-left-color: var(--primary);
    background: linear-gradient(90deg, rgba(0, 255, 249, 0.015) 0%, transparent 100%);
}

#panel-frontend.active {
    border-left-color: #00fff9;
    background: linear-gradient(90deg, rgba(0, 255, 249, 0.015) 0%, transparent 100%);
}

#panel-backend.active {
    border-left-color: #8b5cf6;
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.015) 0%, transparent 100%);
}

#panel-database.active {
    border-left-color: #f59e0b;
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.015) 0%, transparent 100%);
}

#panel-action.active {
    border-left-color: #ef4444;
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.015) 0%, transparent 100%);
}

/* 标签规格 */
.panel-tag {
    display: inline-block;
    font-family: 'Fira Code', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary);
    border: 1px solid rgba(0, 255, 249, 0.2);
    padding: 3px 8px;
    border-radius: 2px;
    background: rgba(0, 255, 249, 0.02);
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

/* 极简发光线导 */
.line-guide {
    width: 60px;
    height: 1px;
    margin: 1.5rem 0;
}

/* 介绍性大字标题 */
.main-title-large {
    font-family: var(--font-heading);
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: 1px;
    color: var(--text-main);
}

.sub-title-chinese {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 12px;
    letter-spacing: 6px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--text-main);
}

.panel-desc {
    font-size: 0.92rem;
    line-height: 1.8;
    color: var(--text-muted);
    text-align: justify;
    font-weight: 400;
    max-width: 460px;
}

/* 字体高对比度霓虹发光样式 */
.highlight-cyan {
    color: #00fff9 !important;
    text-shadow: 0 0 8px rgba(0, 255, 249, 0.3);
    font-weight: 600;
}

.highlight-purple {
    color: #c084fc !important;
    text-shadow: 0 0 8px rgba(139, 92, 246, 0.3);
    font-weight: 600;
}

.highlight-gold {
    color: #fbbf24 !important;
    text-shadow: 0 0 8px rgba(245, 158, 11, 0.35);
    font-weight: 600;
}

.action-hint {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--primary);
    letter-spacing: 2px;
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: pulse-hud 2s infinite;
    transition: all 0.3s ease;
}

#btn-auto-demo:hover {
    color: #ffffff !important;
    text-shadow: 0 0 12px var(--primary);
    transform: translateY(-1px);
}

@keyframes pulse-hud {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* 技术栈微章 */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 1.5rem;
    max-width: 440px;
}

.tech-tags span {
    font-size: 0.75rem;
    color: #00fff9;
    border: 1px solid rgba(0, 255, 249, 0.15);
    background: rgba(0, 255, 249, 0.02);
    padding: 4px 10px;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.tech-tags span.tag-purple {
    color: #a78bfa;
    border-color: rgba(139, 92, 246, 0.15);
    background: rgba(139, 92, 246, 0.02);
}

.tech-tags span.tag-gold {
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.15);
    background: rgba(245, 158, 11, 0.02);
}

/* 搞怪安装按钮容器 */
.action-buttons-wrapper {
    display: flex;
    gap: 15px;
    margin-top: 1.8rem;
    pointer-events: auto;
}

.btn-action-buy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.7rem 1.5rem;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.15);
}

.btn-action-buy:hover {
    background-color: rgba(239, 68, 68, 0.25);
    border-color: #ef4444;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
    transform: translateY(-2px);
}


/* 调试控制台 HUD */
.debug-hud {
    display: none; /* 默认隐藏调试面板 */
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 280px;
    padding: 1.2rem;
    background-color: rgba(10, 12, 18, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hud-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.8rem;
    border-bottom: 1px dashed rgba(255,255,255,0.1);
    padding-bottom: 0.4rem;
}

.hud-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    animation: pulse-hud 1.5s infinite;
}

.hud-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.35rem;
}

.hud-item .label {
    color: var(--text-muted);
}

.hud-item .val {
    color: #fff;
    font-weight: 600;
}

/* 右下角极简赛博音频控制器 */
.audio-control {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.5rem 1rem;
    background-color: rgba(10, 12, 18, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    z-index: 100;
    pointer-events: auto;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.audio-control:hover {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 255, 249, 0.2);
    transform: translateY(-2px);
}

/* 音频波形线条 */
.audio-waves {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    width: 20px;
    height: 12px;
}

.audio-waves .stroke {
    display: block;
    width: 2px;
    height: 100%;
    background-color: var(--primary);
    border-radius: 1px;
    transition: height 0.3s ease;
}

/* 播放跳动动画 */
.audio-control.playing .audio-waves .stroke:nth-child(1) {
    animation: wave-rise 1.2s ease-in-out infinite alternate;
}
.audio-control.playing .audio-waves .stroke:nth-child(2) {
    animation: wave-rise 1.2s ease-in-out infinite alternate;
    animation-delay: -0.4s;
}
.audio-control.playing .audio-waves .stroke:nth-child(3) {
    animation: wave-rise 1.2s ease-in-out infinite alternate;
    animation-delay: -0.8s;
}
.audio-control.playing .audio-waves .stroke:nth-child(4) {
    animation: wave-rise 1.2s ease-in-out infinite alternate;
    animation-delay: -0.2s;
}

/* 静止/静音状态 */
.audio-control.muted .audio-waves .stroke,
.audio-control:not(.playing) .audio-waves .stroke {
    height: 3px !important;
    background-color: var(--text-muted);
}

@keyframes wave-rise {
    0% { height: 20%; }
    100% { height: 100%; }
}

.audio-text {
    font-family: 'Fira Code', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.audio-control.playing .audio-text {
    color: var(--primary);
    text-shadow: 0 0 8px rgba(0, 255, 249, 0.4);
}

/* 手机端响应式回退 */
@media (max-width: 992px) {
    .test-header {
        padding: 1.5rem;
    }
    .info-panel-container {
        left: 5%;
        width: 90%;
        top: 70%; /* 移动端文字偏下显示，让出上面空间给芯片 */
        height: auto;
    }
    .main-title-large {
        font-size: 2.4rem;
    }
    .sub-title-chinese {
        font-size: 1.2rem;
        letter-spacing: 4px;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .panel-desc {
        font-size: 0.85rem;
        max-width: 100%;
    }
    .debug-hud {
        display: none; /* 移动端隐藏 HUD */
    }
}

/* 3D 融合接力画布舞台 */
#chip-3d-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1; /* 与 2D Canvas 同层，通过 JS 动态计算 opacity 实现无缝渐变 */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateY(-80px); /* 初始偏上空，实现滚动天降动效 */
}

/* 赛博量子视频卡槽 (高水准排版预留) */
.cyber-video-slot {
    margin-top: 1.5rem;
    width: 100%;
    max-width: 460px;
    height: 180px;
    position: relative;
    pointer-events: auto;
}

.video-border-effect {
    width: 100%;
    height: 100%;
    background-color: rgba(10, 12, 18, 0.65);
    border: 1px solid rgba(239, 68, 68, 0.18);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.video-border-effect:hover {
    border-color: rgba(239, 68, 68, 0.5);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.15);
}

.video-border-effect .corner {
    position: absolute;
    width: 8px;
    height: 8px;
    border: 2px solid #ef4444;
}

.video-border-effect .corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.video-border-effect .corner.tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.video-border-effect .corner.bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.video-border-effect .corner.br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.video-placeholder-content {
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.video-placeholder-content i {
    font-size: 2.2rem;
    color: rgba(239, 68, 68, 0.45);
    display: block;
    margin-bottom: 0.6rem;
    animation: pulse-hud 2.2s infinite;
}

.video-placeholder-content .text-glow {
    color: rgba(255, 255, 255, 0.65);
    text-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

/* 极客科技感下滑指示器 (呼吸与纵向发光流线) */
.scroll-down-hint {
    position: fixed;
    bottom: 5%;
    left: 50%;
    transform: translate(-50%, 20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-down-hint.active {
    opacity: 0.85;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.scroll-down-hint .hint-text {
    font-family: 'Fira Code', monospace;
    font-size: 0.72rem;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(0, 255, 249, 0.45);
    letter-spacing: 2px;
    margin-bottom: 0.45rem;
}

.scroll-down-hint .hint-text-zh {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 1.5px;
    margin-top: 0.45rem;
    font-weight: 300;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.1);
}

.scroll-down-hint .hint-line-container {
    width: 1.5px;
    height: 38px;
    background-color: rgba(0, 255, 249, 0.12);
    position: relative;
    overflow: hidden;
    border-radius: 1px;
}

.scroll-down-hint .hint-line-flow {
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: linear-gradient(to bottom, transparent, var(--primary));
    animation: flow-down-line 2.5s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes flow-down-line {
    0% {
        top: -20px;
    }
    30% {
        top: 0px;
    }
    100% {
        top: 38px;
    }
}

/* ==========================================================================
   苹果风级 3D 案例大荧幕展台视觉重构样式 (只在 3D 阶段被触发)
   ========================================================================== */

/* 苹果系统英文字体与中文字体族定义 */
:root {
    --font-apple-en: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Inter", sans-serif;
    --font-apple-zh: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* 居中大荧幕整体容器 */
.cyber-theater-container {
    position: fixed;
    bottom: 6%;
    left: 50%;
    transform: translateX(-50%) translateY(30px);
    width: 90%;
    max-width: 780px;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 6;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
        visibility 0.8s;
}

.cyber-theater-container.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

/* 苹果风居中高冷标题排版 */
.cases-typography-container {
    text-align: center;
    margin-bottom: 1.8rem;
}

.apple-case-title {
    font-family: var(--font-apple-en);
    font-size: 3.2rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -1.5px;
    margin-bottom: 0.4rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.apple-case-subtitle {
    font-family: var(--font-apple-zh);
    font-size: 1.25rem;
    font-weight: 400;
    color: #86868b; /* 苹果副标题标志性中灰 */
    letter-spacing: -0.5px;
    opacity: 0.95;
}

/* 苹果风视网膜悬浮视频卡 */
.apple-theater-card {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(10, 12, 18, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.apple-theater-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255,255,255,0.02);
}

.theater-border-effect {
    width: 100%;
    height: 100%;
}

.theater-border-effect video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 3D 案例阶段背景动态降噪：隐去网格线，将光斑平滑降亮并加深模糊 */
.cyber-background {
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.cyber-background.state-case-study .cyber-grid {
    opacity: 0 !important;
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.cyber-background.state-case-study .glow-spot-1 {
    background: radial-gradient(circle, #1e293b 0%, transparent 70%) !important;
    opacity: 0.03 !important;
    filter: blur(180px) !important;
    transition: background 1.2s ease, opacity 1.2s ease, filter 1.2s ease;
}

.cyber-background.state-case-study .glow-spot-2 {
    background: radial-gradient(circle, #0f172a 0%, transparent 70%) !important;
    opacity: 0.02 !important;
    filter: blur(180px) !important;
    transition: background 1.2s ease, opacity 1.2s ease, filter 1.2s ease;
}

/* 3D 专属结尾购买/行动面板 */
#panel-action-3d {
    border-left: 2px solid rgba(255, 255, 255, 0.15) !important;
}

#panel-action-3d.active {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.012) 0%, transparent 100%) !important;
}

#panel-action-3d .section-title {
    font-family: var(--font-apple-zh);
    font-weight: 700;
    letter-spacing: -1px;
}

.btn-apple-buy {
    background-color: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.05) !important;
}

.btn-apple-buy:hover {
    background-color: rgba(255, 255, 255, 0.18) !important;
    border-color: rgba(255, 255, 255, 0.8) !important;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.2) !important;
    color: #ffffff !important;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .cyber-theater-container {
        width: 95%;
        bottom: 3%;
    }
    
    .apple-case-title {
        font-size: 2.2rem;
        letter-spacing: -1px;
        margin-bottom: 0.2rem;
    }
    
    .apple-case-subtitle {
        font-size: 1rem;
    }
}