/**
 * ══════════════════════════════════════════════════════════════
 *  PrologueEngine v1.0 — 电影级前情提要 视觉特效
 *  FluidLab 沉浸式叙事系统样式
 * ══════════════════════════════════════════════════════════════
 */

/* ──────────────────────────────────────────────
   舞台容器
   ────────────────────────────────────────────── */
.prologue-stage {
    position: relative;
    width: 100%;
    min-height: 520px;
    background: #0a0e17;
    overflow: hidden;
    border-radius: 12px;
    font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.prologue-stage.exiting {
    opacity: 0 !important;
    transition: opacity 1.2s ease-in, transform 1.2s ease-in;
    transform: scale(1.03);
    filter: blur(3px);
}

/* ──────────────────────────────────────────────
   Canvas 粒子层
   ────────────────────────────────────────────── */
.prologue-canvas-wrap {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}

.prologue-canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

/* ──────────────────────────────────────────────
   宽银幕黑边 (Letterbox)
   ────────────────────────────────────────────── */
.prologue-letterbox {
    position: absolute;
    left: 0; right: 0;
    height: 48px;
    z-index: 10;
    pointer-events: none;
}

.prologue-letterbox-top {
    top: 0;
    background: linear-gradient(to bottom,
        rgba(0,0,0,0.95) 0%,
        rgba(0,0,0,0.7) 70%,
        transparent 100%);
}

.prologue-letterbox-bottom {
    bottom: 0;
    background: linear-gradient(to top,
        rgba(0,0,0,0.95) 0%,
        rgba(0,0,0,0.7) 70%,
        transparent 100%);
}

/* ──────────────────────────────────────────────
   内容层
   ────────────────────────────────────────────── */
.prologue-content-layer {
    position: absolute;
    top: 56px; left: 24px; right: 24px; bottom: 60px;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease;
}

/* ──────────────────────────────────────────────
   跳过按钮
   ────────────────────────────────────────────── */
.prologue-skip-btn {
    position: absolute;
    bottom: 14px;
    right: 20px;
    z-index: 15;
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    cursor: pointer;
    padding: 4px 12px;
    border-radius: 4px;
    transition: all 0.25s ease;
    letter-spacing: 1px;
    user-select: none;
}

.prologue-skip-btn:hover {
    color: rgba(0, 242, 255, 0.7);
    background: rgba(0, 242, 255, 0.06);
}

/* ──────────────────────────────────────────────
   阶段进度指示器
   ────────────────────────────────────────────── */
.prologue-phase-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 15;
    display: flex;
    gap: 8px;
    align-items: center;
}

.prologue-phase-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    font-size: 0;
    transition: all 0.4s ease;
}

.prologue-phase-dot::after {
    content: attr(data-label);
    display: none; /* 隐藏文字，仅用圆点 */
}

.prologue-phase-dot.active {
    background: #00f2ff;
    box-shadow: 0 0 8px rgba(0, 242, 255, 0.6), 0 0 20px rgba(0, 242, 255, 0.2);
    transform: scale(1.4);
}

.prologue-phase-dot.done {
    background: rgba(0, 242, 255, 0.45);
}


/* ════════════════════════════════════════════════
   PHASE 1: 标题揭示
   ════════════════════════════════════════════════ */

.prologue-title-box {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.prologue-org-name {
    font-size: 13px;
    letter-spacing: 12px;
    color: #00f2ff;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(-15px);
    transition: all 0.9s cubic-bezier(0.22, 1, 0.36, 1);
    font-weight: 600;
}
.prologue-org-name.show { opacity: 1; transform: translateY(0); }

.prologue-org-sub {
    font-size: 9px;
    letter-spacing: 6px;
    color: rgba(0, 242, 255, 0.35);
    margin-top: -4px;
    opacity: 0;
    transition: opacity 0.7s ease 0.2s;
}
.prologue-org-sub.show { opacity: 1; }

.prologue-title-divider {
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,242,255,0.5), transparent);
    margin: 10px 0;
    transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.prologue-title-divider.show { width: 180px; }

.prologue-ch-num {
    font-size: 11px;
    letter-spacing: 4px;
    color: rgba(232,236,241,0.35);
    opacity: 0;
    transition: opacity 0.6s ease;
}
.prologue-ch-num.show { opacity: 1; }

.prologue-ch-title {
    font-size: 32px;
    font-weight: 800;
    color: #e8ecf1;
    margin: 4px 0;
    letter-spacing: 8px;
    opacity: 0;
    transform: translateY(15px) scale(0.96);
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
    text-shadow: 0 2px 30px rgba(0, 242, 255, 0.15);
}
.prologue-ch-title.show { opacity: 1; transform: translateY(0) scale(1); }

.prologue-arc-line {
    font-size: 12px;
    color: rgba(0, 242, 255, 0.45);
    letter-spacing: 3px;
    font-style: italic;
    opacity: 0;
    transition: opacity 0.8s ease;
}
.prologue-arc-line.show { opacity: 1; }


/* ════════════════════════════════════════════════
   PHASE 2: 世界观构建
   ════════════════════════════════════════════════ */

.prologue-world-box {
    max-width: 600px;
    padding: 0 16px;
}

.prologue-world-line {
    font-size: 15px;
    line-height: 1.85;
    color: rgba(232, 236, 241, 0.78);
    margin-bottom: 14px;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    text-shadow: 0 0 20px rgba(0, 242, 255, 0.08);
}
.prologue-world-line.show {
    opacity: 1;
    transform: translateX(0);
}

/* 打字机光标 */
.prologue-world-line::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1em;
    background: #00f2ff;
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: prologue-blink 0.8s step-end infinite;
    opacity: 0.7;
}

@keyframes prologue-blink {
    0%, 100% { opacity: 0.7; }
    50%      { opacity: 0; }
}

/* 浮动关键词标签 */
.prologue-world-tags {
    position: absolute;
    top: 40px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
    pointer-events: none;
}

.prologue-world-tag {
    font-size: 11px;
    color: rgba(0, 242, 255, 0.5);
    border: 1px solid rgba(0, 242, 255, 0.18);
    padding: 3px 12px;
    border-radius: 20px;
    letter-spacing: 2px;
    opacity: 0;
    transform: translateX(20px);
    animation: prologue-tag-float 4s ease-in-out infinite, prologue-tag-enter 0.8s ease forwards;
    animation-delay: var(--delay, 0s), var(--delay, 0s);
}

@keyframes prologue-tag-enter {
    to { opacity: 1; transform: translateX(0); }
}

@keyframes prologue-tag-float {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50%      { transform: translateY(-6px); opacity: 0.75; }
}


/* ════════════════════════════════════════════════
   PHASE 3: 角色介绍卡片
   ════════════════════════════════════════════════ */

.prologue-chars-box {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    padding: 10px 0;
}

.prologue-char-card {
    width: 160px;
    background: rgba(13, 21, 32, 0.82);
    border: 1px solid rgba(0, 242, 255, 0.12);
    border-radius: 14px;
    padding: 22px 16px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transform: translateY(30px) scale(0.92);
    transition: all 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.prologue-char-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--char-color, #00f2ff), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.prologue-char-card.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.prologue-char-card:hover {
    transform: translateY(-6px) scale(1.03);
    border-color: var(--char-color, #00f2ff);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 24px rgba(0, 242, 255, 0.08);
}

.prologue-char-card:hover::before {
    opacity: 1;
}

.prologue-char-avatar {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    background: rgba(0, 242, 255, 0.06);
    border: 2px solid var(--char-color, rgba(0,242,255,0.25));
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.08);
    animation: prologue-avatar-pulse 3s ease-in-out infinite;
}

@keyframes prologue-avatar-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 242, 255, 0.08); }
    50%      { box-shadow: 0 0 28px rgba(0, 242, 255, 0.18); }
}

.prologue-char-info {
    text-align: center;
}

.prologue-char-name {
    font-size: 16px;
    font-weight: 700;
    color: #e8ecf1;
    margin: 0 0 2px;
    letter-spacing: 2px;
}

.prologue-char-role {
    font-size: 11px;
    color: var(--char-color, rgba(0,242,255,0.6));
    margin: 0 0 6px;
    letter-spacing: 1px;
}

.prologue-char-quote {
    font-size: 11px;
    color: rgba(232,236,241,0.4);
    line-height: 1.5;
    font-style: italic;
    margin: 0;
    /* 截断显示 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prologue-char-accent {
    width: 30px;
    height: 2px;
    background: var(--char-color, #00f2ff);
    border-radius: 1px;
    opacity: 0.3;
    margin-top: 4px;
}


/* ════════════════════════════════════════════════
   PHASE 4: 关系网络图
   ════════════════════════════════════════════════ */

.prologue-rel-box {
    width: 100%;
    max-width: 520px;
    opacity: 0;
    transform: scale(0.92);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.prologue-rel-box.show { opacity: 1; transform: scale(1); }

.prologue-rel-svg {
    width: 100%;
    height: auto;
    overflow: visible;
}

/* 连接线动画 */
.prologue-rel-line {
    fill: none;
    stroke: rgba(0, 242, 255, 0.35);
    stroke-width: 1.2;
    transition: stroke-dashoffset 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.prologue-rel-line.draw {
    stroke-dashoffset: 0 !important;
}

/* 关系线上的发光效果（绘制完成后） */
.prologue-rel-line.draw {
    filter: drop-shadow(0 0 4px rgba(0, 242, 255, 0.3));
}

/* 关系标签 */
.prologue-rel-label {
    font-size: 10px;
    fill: rgba(0, 242, 255, 0.55);
    text-anchor: middle;
    dominant-baseline: middle;
    letter-spacing: 2px;
}

.prologue-rel-label.fade-in {
    animation: prologue-label-glow 0.6s ease forwards;
}

@keyframes prologue-label-glow {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* 关系节点 */
.prologue-rel-node {
    opacity: 0;
    animation: prologue-node-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: var(--node-delay, 0s);
}

@keyframes prologue-node-pop {
    from { opacity: 0; transform: scale(0); }
    to   { opacity: 1; transform: scale(1); }
}

.prologue-rel-node-name {
    font-size: 11px;
    fill: rgba(232, 236, 241, 0.65);
    letter-spacing: 2px;
}

/* 节点光晕脉冲 */
.prologue-rel-node circle:first-child {
    animation: prologue-halo-pulse 3s ease-in-out infinite;
    transform-origin: center;
}

@keyframes prologue-halo-pulse {
    0%, 100% { r: 28; opacity: 0.08; }
    50%      { r: 36; opacity: 0.15; }
}


/* ════════════════════════════════════════════════
   PHASE 5: 悬念预告 / 伏笔
   ════════════════════════════════════════════════ */

.prologue-suspense-box {
    text-align: center;
    max-width: 550px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.prologue-suspense-box.show {
    opacity: 1;
    transform: translateY(0);
}

.prologue-suspense-q {
    font-size: 19px;
    color: #e8ecf1;
    font-weight: 300;
    letter-spacing: 3px;
    margin-bottom: 24px;
    line-height: 1.6;
    text-shadow: 0 0 30px rgba(0, 242, 255, 0.08);
}

.suspense-icon {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border: 1.5px solid #ff3366;
    border-radius: 50%;
    color: #ff3366;
    font-size: 15px;
    font-weight: 700;
    margin-right: 10px;
    vertical-align: middle;
    animation: suspense-icon-pulse 2s ease-in-out infinite;
}

@keyframes suspense-icon-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 51, 102, 0.3); }
    50%      { box-shadow: 0 0 0 8px rgba(255, 51, 102, 0); }
}

/* 情绪曲线 */
.prologue-emotion-curve {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.prologue-emotion-tag {
    font-size: 10px;
    color: rgba(232, 236, 241, 0.4);
    border: 1px solid rgba(232, 236, 241, 0.1);
    padding: 3px 14px;
    border-radius: 20px;
    opacity: 0;
    transform: translateY(10px);
    animation: emotion-tag-enter 0.5s ease forwards;
    animation-delay: var(--delay, 0s);
}

@keyframes emotion-tag-enter {
    to { opacity: 1; transform: translateY(0); }
}

/* 神秘提示行 */
.prologue-hint-lines {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.prologue-hint-line {
    font-size: 12px;
    color: rgba(255, 51, 102, 0.5);
    letter-spacing: 4px;
    font-style: italic;
    opacity: 0;
    transition: opacity 0.8s ease;
}
.prologue-hint-line.show { opacity: 1; }

.prologue-hint-line:first-child {
    font-family: 'Courier New', monospace;
    font-size: 10px;
    color: rgba(255, 51, 102, 0.3);
    border-top: 1px solid rgba(255, 51, 102, 0.1);
    padding-top: 8px;
    margin-top: 4px;
}


/* ════════════════════════════════════════════════
   全局辅助动画
   ════════════════════════════════════════════════ */

/* 扫描线效果（可选叠加） */
.prologue-stage::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.02) 2px,
        rgba(0, 0, 0, 0.02) 4px
    );
    pointer-events: none;
    z-index: 20;
}

/* 边缘暗角 — 电影级戏剧性加深 */
.prologue-stage::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 40%,
        rgba(0, 0, 0, 0.5) 85%,
        rgba(0, 0, 0, 0.75) 100%
    );
    pointer-events: none;
    z-index: 8;
}




/* ════════════════════════════════════════════════
   电影级视觉效果 (Cinematic v2)
   ════════════════════════════════════════════════ */

/* ── 胶片颗粒覆盖层 (Film Grain) ── */
.prologue-film-grain {
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    z-index: 19;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.8'/%3E%3C/svg%3E");
    background-size: 256px 256px;
    animation: prologue-grain 0.5s steps(6) infinite;
}

@keyframes prologue-grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    20% { transform: translate(7%, 5%); }
    30% { transform: translate(3%, -15%); }
    40% { transform: translate(-8%, 12%); }
    50% { transform: translate(10%, -3%); }
    60% { transform: translate(-12%, 7%); }
    70% { transform: translate(5%, 10%); }
    80% { transform: translate(-3%, -8%); }
    90% { transform: translate(8%, -5%); }
}

/* ── 变形宽银幕光晕 (Anamorphic Flare) ── */
.prologue-anamorphic-flare {
    position: absolute;
    top: 50%; left: -100%;
    width: 300%; height: 2px;
    background: linear-gradient(90deg,
        transparent,
        rgba(0,242,255,0.08) 15%,
        rgba(0,242,255,0.15) 30%,
        rgba(0,242,255,0.8) 50%,
        rgba(0,242,255,0.15) 70%,
        rgba(0,242,255,0.08) 85%,
        transparent);
    transform: translateY(-50%);
    z-index: 12;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, left 1.5s cubic-bezier(0.22, 1, 0.36, 1);
    filter: blur(0.5px);
    box-shadow: 0 0 15px 3px rgba(0,242,255,0.15);
}
.prologue-anamorphic-flare.sweep {
    opacity: 1;
    left: -50%;
}

/* ── 摄影机运动 (Camera Movement) ── */
.prologue-content-layer.camera-zoom-in {
    animation: prologueCameraZoomIn 8s ease-out forwards;
    transform-origin: center center;
}
@keyframes prologueCameraZoomIn {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.prologue-content-layer.camera-drift {
    animation: prologueCameraDrift 12s ease-in-out infinite;
    transform-origin: center center;
}
@keyframes prologueCameraDrift {
    0%, 100% { transform: translate(0, 0) scale(1.02); }
    25% { transform: translate(-8px, -4px) scale(1.02); }
    50% { transform: translate(4px, -8px) scale(1.02); }
    75% { transform: translate(8px, 4px) scale(1.02); }
}

.prologue-content-layer.camera-zoom-subtle {
    animation: prologueCameraZoomSubtle 10s ease-out forwards;
    transform-origin: center center;
}
@keyframes prologueCameraZoomSubtle {
    from { transform: scale(1); }
    to { transform: scale(1.03); }
}

.prologue-content-layer.camera-zoom-creep {
    animation: prologueCameraZoomCreep 15s ease-in forwards;
    transform-origin: center center;
}
@keyframes prologueCameraZoomCreep {
    from { transform: scale(1); }
    to { transform: scale(1.06); }
}

/* ── 片名撞击效果 (Title Impact) ── */
.prologue-title-impact {
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,242,255,0.3) 0%, rgba(0,242,255,0.1) 30%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: 11;
    pointer-events: none;
    opacity: 0;
}
.prologue-title-impact.burst {
    animation: prologueImpactBurst 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes prologueImpactBurst {
    0% { width: 0; height: 0; opacity: 0.8; }
    100% { width: 800px; height: 800px; opacity: 0; }
}

/* ── 镜头光斑 (Lens Flare) ── */
.prologue-lens-flare {
    position: absolute;
    width: 200px; height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,242,255,0.15) 0%, transparent 70%);
    z-index: 11;
    pointer-events: none;
    opacity: 0;
    filter: blur(20px);
    transition: opacity 1s ease;
}
.prologue-lens-flare.visible {
    opacity: 1;
}

/* ── 颜色分级覆盖层 (Color Grading) ── */
.prologue-color-grade {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 7;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.2s ease, background 1.2s ease;
    mix-blend-mode: overlay;
}
.prologue-color-grade.grade-dark {
    background: radial-gradient(ellipse at center, rgba(10,14,30,0.3) 0%, rgba(5,8,20,0.5) 100%);
    opacity: 1;
}
.prologue-color-grade.grade-title {
    background: radial-gradient(ellipse at center, rgba(0,60,80,0.15) 0%, rgba(0,30,50,0.3) 100%);
    opacity: 1;
}
.prologue-color-grade.grade-world {
    background: radial-gradient(ellipse at center, rgba(20,40,60,0.1) 0%, rgba(10,20,40,0.2) 100%);
    opacity: 1;
}
.prologue-color-grade.grade-char {
    background: radial-gradient(ellipse at center, rgba(30,30,40,0.08) 0%, rgba(15,15,25,0.15) 100%);
    opacity: 1;
}
.prologue-color-grade.grade-suspense {
    background: radial-gradient(ellipse at center, rgba(60,10,20,0.12) 0%, rgba(30,5,10,0.25) 100%);
    opacity: 1;
}

/* ── 字幕式文字揭示 (Cinema Text) ── */
.prologue-cinema-text {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%) translateY(30px);
    font-size: 18px;
    color: #e8ecf1;
    letter-spacing: 4px;
    text-align: center;
    max-width: 80%;
    opacity: 0;
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
    text-shadow: 0 2px 20px rgba(0,0,0,0.8);
    z-index: 13;
    pointer-events: none;
}
.prologue-cinema-text.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Studio Logo 阶段专用文字 ── */
.prologue-studio-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    font-weight: 800;
    color: #e8ecf1;
    letter-spacing: 16px;
    text-align: center;
    opacity: 0;
    z-index: 13;
    pointer-events: none;
    text-shadow: 0 0 40px rgba(0,242,255,0.3), 0 0 80px rgba(0,242,255,0.1);
    transition: opacity 0.6s ease;
    text-transform: uppercase;
}
.prologue-studio-text.show {
    opacity: 1;
}
.prologue-studio-text.fade-out {
    opacity: 0;
    transition: opacity 0.8s ease;
}

/* ── Studio Logo 光扫 ── */
.prologue-studio-sweep {
    position: absolute;
    top: 0; left: -100%;
    width: 60%; height: 100%;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0,242,255,0.03) 30%,
        rgba(0,242,255,0.08) 50%,
        rgba(0,242,255,0.03) 70%,
        transparent 100%);
    z-index: 14;
    pointer-events: none;
    opacity: 0;
}
.prologue-studio-sweep.active {
    opacity: 1;
    animation: prologueStudioSweep 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes prologueStudioSweep {
    0% { left: -60%; }
    100% { left: 120%; }
}

/* ── 电影级暗角增强（Logo阶段额外加深）── */
.prologue-stage.logo-phase::before {
    background: radial-gradient(
        ellipse at center,
        transparent 30%,
        rgba(0, 0, 0, 0.7) 75%,
        rgba(0, 0, 0, 0.9) 100%
    );
    transition: background 1s ease;
}

/* ════════════════════════════════════════════════
   响应式适配
   ════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .prologue-stage {
        min-height: 420px;
        border-radius: 8px;
    }

    .prologue-letterbox {
        height: 36px;
    }

    .prologue-content-layer {
        top: 44px;
        left: 12px;
        right: 12px;
        bottom: 48px;
    }

    .prologue-ch-title {
        font-size: 22px;
        letter-spacing: 4px;
    }

    .prologue-org-name {
        font-size: 11px;
        letter-spacing: 6px;
    }

    .prologue-world-line {
        font-size: 13px;
        line-height: 1.7;
    }

    .prologue-chars-box {
        gap: 14px;
    }

    .prologue-char-card {
        width: 130px;
        padding: 16px 10px 12px;
    }

    .prologue-char-avatar {
        width: 42px;
        height: 42px;
        font-size: 20px;
    }

    .prologue-char-name {
        font-size: 14px;
    }

    .prologue-char-role {
        font-size: 9px;
    }

    .prologue-char-quote {
        font-size: 10px;
        -webkit-line-clamp: 1;
    }

    .prologue-suspense-q {
        font-size: 15px;
        letter-spacing: 2px;
    }

    .prologue-world-tags {
        display: none; /* 移动端隐藏浮动标签 */
    }

    .prologue-skip-btn {
        font-size: 10px;
        bottom: 10px;
        right: 12px;
    }

    .prologue-phase-dots {
        bottom: 12px;
    }

    .prologue-rel-svg {
        max-width: 320px;
    }
}

@media (max-width: 420px) {
    .prologue-stage {
        min-height: 380px;
    }

    .prologue-char-card {
        width: 100px;
        padding: 12px 8px 10px;
        gap: 6px;
    }

    .prologue-char-avatar {
        width: 36px;
        height: 36px;
        font-size: 17px;
    }

    .prologue-char-name {
        font-size: 12px;
    }

    .prologue-char-role {
        font-size: 8px;
    }

    .prologue-char-quote {
        display: none;
    }

    .prologue-ch-title {
        font-size: 18px;
        letter-spacing: 3px;
    }

    .prologue-suspense-q {
        font-size: 13px;
    }

    .prologue-emotion-curve {
        gap: 6px;
    }

    .prologue-emotion-tag {
        font-size: 9px;
        padding: 2px 10px;
    }
}


/* ════════════════════════════════════════════════
   减少动画偏好 (Accessibility)
   ════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .prologue-char-card,
    .prologue-world-line,
    .prologue-title-divider,
    .prologue-org-name,
    .prologue-ch-title,
    .prologue-char-avatar,
    .prologue-rel-node,
    .prologue-rel-box,
    .prologue-suspense-box,
    .prologue-world-tag,
    .prologue-emotion-tag,
    .prologue-hint-line,
    .prologue-stage.exiting {
        animation: none !important;
        transition-duration: 0.01ms !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .prologue-rel-line.draw {
        stroke-dashoffset: 0 !important;
        transition: none !important;
    }

    .prologue-world-line::after {
        animation: none;
        opacity: 0;
    }

    .suspense-icon {
        animation: none;
    }

    .prologue-film-grain,
    .prologue-content-layer.camera-zoom-in,
    .prologue-content-layer.camera-drift,
    .prologue-content-layer.camera-zoom-subtle,
    .prologue-content-layer.camera-zoom-creep,
    .prologue-title-impact.burst,
    .prologue-studio-sweep.active {
        animation: none !important;
        transform: none !important;
    }
}

/* ════════════════════════════════════════════════
   全屏电影模式 + 交互按钮
   ════════════════════════════════════════════════ */

/* 全屏覆盖容器 */
#cinematic-prologue-overlay .prologue-stage {
    min-height: 100vh !important;
    border-radius: 0 !important;
    width: 100% !important;
    height: 100% !important;
}

#cinematic-prologue-overlay .prologue-canvas-wrap {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
}

#cinematic-prologue-overlay .prologue-content-layer {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

#cinematic-prologue-overlay .prologue-phase-dots {
    bottom: 24px;
}

#cinematic-prologue-overlay .prologue-skip-btn {
    bottom: 22px;
    right: 32px;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    padding: 6px 16px;
    border: 1px solid rgba(0, 242, 255, 0.1);
    border-radius: 4px;
}

/* "继续阅读" 按钮 */
.prologue-continue-btn {
    display: block;
    margin: 24px auto 0;
    padding: 10px 36px;
    font-size: 14px;
    color: #00f2ff;
    background: rgba(0, 242, 255, 0.06);
    border: 1px solid rgba(0, 242, 255, 0.25);
    border-radius: 24px;
    cursor: pointer;
    letter-spacing: 4px;
    opacity: 0;
    transform: translateY(12px);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-family: inherit;
}

.prologue-continue-btn.show {
    opacity: 1;
    transform: translateY(0);
}

.prologue-continue-btn:hover {
    background: rgba(0, 242, 255, 0.12);
    border-color: rgba(0, 242, 255, 0.5);
    box-shadow: 0 0 24px rgba(0, 242, 255, 0.15);
    transform: translateY(-2px);
}

/* "进入实验" 按钮 */
.prologue-enter-btn {
    display: block;
    margin: 28px auto 0;
    padding: 14px 48px;
    font-size: 16px;
    font-weight: 600;
    color: #0a0e17;
    background: linear-gradient(135deg, #00f2ff 0%, #00b8d4 100%);
    border: none;
    border-radius: 28px;
    cursor: pointer;
    letter-spacing: 6px;
    opacity: 0;
    transform: translateY(16px) scale(0.95);
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 4px 32px rgba(0, 242, 255, 0.2);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.prologue-enter-btn::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 0.6s ease;
}

.prologue-enter-btn.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.prologue-enter-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 40px rgba(0, 242, 255, 0.35);
}

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

/* 响应式：按钮在小屏适配 */
@media (max-width: 768px) {
    .prologue-continue-btn {
        padding: 8px 28px;
        font-size: 12px;
        letter-spacing: 2px;
    }
    .prologue-enter-btn {
        padding: 12px 36px;
        font-size: 14px;
        letter-spacing: 4px;
    }
}

/* ════════════════════════════════════════════════
 *  playDialogues 对话样式
 * ════════════════════════════════════════════════ */

/* 场景标题卡 */
.prologue-dialogue-scene {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.6s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.prologue-dialogue-scene.show {
    opacity: 1;
    transform: scale(1);
}
.prologue-scene-label {
    font-size: 12px;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: rgba(0, 242, 255, 0.5);
    margin-bottom: 16px;
}
.prologue-scene-text {
    font-size: 20px;
    line-height: 1.8;
    color: #e8ecf1;
    text-align: center;
    max-width: 600px;
    text-shadow: 0 0 30px rgba(0, 242, 255, 0.15);
    letter-spacing: 2px;
}

/* 旁白 */
.prologue-dialogue-narration {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: 0 40px;
}
.prologue-dialogue-narration .prologue-world-line {
    font-size: 16px;
    line-height: 2;
    max-width: 680px;
    text-align: center;
}

/* 角色对话 */
.prologue-dialogue-speaker {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    padding: 0 20px;
}

/* 角色名牌 */
.prologue-speaker-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.prologue-speaker-badge.show {
    opacity: 1;
    transform: translateY(0);
}
.prologue-speaker-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: rgba(0, 242, 255, 0.06);
    border: 2px solid var(--char-color, rgba(0,242,255,0.3));
    box-shadow: 0 0 16px rgba(0, 242, 255, 0.1);
}
.prologue-speaker-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
}

/* 对话气泡 */
.prologue-speaker-bubble {
    position: relative;
    background: rgba(13, 21, 32, 0.85);
    border: 1px solid var(--char-color, rgba(0,242,255,0.2));
    border-radius: 16px;
    padding: 20px 28px;
    max-width: 600px;
    min-width: 280px;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 242, 255, 0.05);
}
.prologue-speaker-bubble.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.prologue-speaker-bubble::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--char-color, rgba(0,242,255,0.3));
}
.prologue-bubble-text {
    font-size: 15px;
    line-height: 1.85;
    color: #e8ecf1;
    margin: 0;
    text-shadow: 0 0 15px rgba(0, 242, 255, 0.06);
}
.prologue-bubble-text::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--char-color, #00f2ff);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: prologue-blink 0.8s step-end infinite;
    opacity: 0.7;
}

/* 情绪标签 */
.prologue-speaker-emotion {
    display: block;
    margin-top: 10px;
    font-size: 11px;
    letter-spacing: 2px;
    opacity: 0.5;
    font-style: italic;
}

/* 响应式 */
@media (max-width: 768px) {
    .prologue-scene-text { font-size: 16px; }
    .prologue-dialogue-narration .prologue-world-line { font-size: 14px; }
    .prologue-speaker-bubble { max-width: 90%; padding: 16px 20px; }
    .prologue-speaker-name { font-size: 15px; }
}

/* ── 自动播放提示 ── */
.prologue-content-layer {
    cursor: default;
}
.prologue-auto-hint {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    pointer-events: none;
    animation: prologueAutoHintPulse 2s ease-in-out infinite;
}
@keyframes prologueAutoHintPulse {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.5; }
}


/* ══════════════════════════════════════════════════════
   EPIC ENHANCEMENT: Glitch / Shake / Boot Effects
   ══════════════════════════════════════════════════════ */

/* ── 系统启动序列 ── */
.prologue-boot-box {
    font-family: 'Courier New', 'Source Code Pro', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: #00ff41;
    text-shadow: 0 0 8px rgba(0,255,65,0.6);
    padding: 40px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0;
    transition: opacity 0.5s;
}
.prologue-boot-box.show {
    opacity: 1;
}
.prologue-boot-box.fade-out {
    opacity: 0;
    transition: opacity 0.4s;
}
.prologue-boot-line {
    white-space: pre-wrap;
    word-break: break-all;
}
.prologue-boot-line.boot-warning {
    color: #ff3333;
    text-shadow: 0 0 10px rgba(255,51,51,0.8);
    animation: boot-blink 0.5s ease-in-out 2;
}
@keyframes boot-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ── 场景切换卡片 ── */
.prologue-scene-card {
    font-family: 'Courier New', monospace;
    font-size: 16px;
    color: #88ccff;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-align: center;
    padding: 20px 40px;
    border: 1px solid rgba(136,204,255,0.3);
    background: rgba(0,20,40,0.8);
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.prologue-scene-card.show {
    opacity: 1;
    transform: scale(1);
}
.prologue-scene-card.fade-out {
    opacity: 0;
    transform: scale(1.05);
}
.prologue-scene-flash {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(136,204,255,0.15);
    pointer-events: none;
    animation: scene-flash 0.8s ease-out forwards;
    z-index: 100;
}
@keyframes scene-flash {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* ── 屏幕震动 ── */
.screen-shake {
    animation: screen-shake-anim 0.4s ease-out !important;
}
@keyframes screen-shake-anim {
    0% { transform: translate(0, 0); }
    10% { transform: translate(-3px, 2px); }
    20% { transform: translate(4px, -1px); }
    30% { transform: translate(-2px, 3px); }
    40% { transform: translate(3px, -2px); }
    50% { transform: translate(-1px, 1px); }
    60% { transform: translate(2px, -1px); }
    70% { transform: translate(-1px, 2px); }
    80% { transform: translate(1px, -1px); }
    90% { transform: translate(-1px, 0); }
    100% { transform: translate(0, 0); }
}

/* ── 屏幕闪烁 ── */
.screen-flicker {
    animation: screen-flicker-anim 0.6s steps(4) forwards !important;
}
@keyframes screen-flicker-anim {
    0% { opacity: 1; filter: brightness(1); }
    10% { opacity: 0.3; filter: brightness(2); }
    20% { opacity: 1; filter: brightness(0.5); }
    30% { opacity: 0.5; filter: brightness(3); }
    40% { opacity: 1; filter: brightness(1); }
    50% { opacity: 0.2; filter: brightness(2); }
    60% { opacity: 1; filter: brightness(1.5); }
    70% { opacity: 0.8; filter: brightness(1); }
    80% { opacity: 1; filter: brightness(1.2); }
    100% { opacity: 1; filter: brightness(1); }
}

/* ── 故障行效果 ── */
.glitch-line {
    position: relative;
    color: #ff6666 !important;
}
.glitch-line.show {
    animation: glitch-text 0.3s ease-out;
}
@keyframes glitch-text {
    0% { transform: translateX(-5px); opacity: 0; clip-path: inset(0 100% 0 0); }
    20% { transform: translateX(3px); clip-path: inset(20% 0 30% 0); }
    40% { transform: translateX(-2px); clip-path: inset(50% 0 10% 0); }
    60% { transform: translateX(1px); clip-path: inset(10% 0 60% 0); }
    80% { transform: translateX(-1px); clip-path: inset(0 0 0 0); }
    100% { transform: translateX(0); opacity: 1; clip-path: inset(0 0 0 0); }
}

/* ── 冲击行效果 ── */
.impact-line {
    font-size: 1.3em !important;
    font-weight: bold;
    color: #fff !important;
    text-shadow: 0 0 20px rgba(255,255,255,0.8), 0 0 40px rgba(100,200,255,0.5);
}
.impact-line.show {
    animation: impact-pulse 0.8s ease-out;
}
@keyframes impact-pulse {
    0% { transform: scale(0.8); opacity: 0; }
    30% { transform: scale(1.15); opacity: 1; }
    60% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

/* ── 全屏冲击闪光 ── */
.prologue-impact-flash {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.4) 0%, transparent 70%);
    pointer-events: none;
    animation: impact-flash-anim 0.6s ease-out forwards;
    z-index: 100;
}
@keyframes impact-flash-anim {
    0% { opacity: 1; transform: scale(0.5); }
    50% { opacity: 0.6; transform: scale(1.5); }
    100% { opacity: 0; transform: scale(2); }
}

/* ── 悲伤行效果 ── */
.sorrow-line {
    color: #aabbcc !important;
    font-style: italic;
}
.sorrow-line.show {
    animation: sorrow-fade 1.5s ease-out;
}
@keyframes sorrow-fade {
    0% { opacity: 0; transform: translateY(10px); filter: blur(4px); }
    100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* ── 信件/遗物行效果 ── */
.letter-line {
    color: #ffcc66 !important;
    font-style: italic;
    border-left: 2px solid rgba(255,204,102,0.5);
    padding-left: 16px;
    margin: 8px 0;
}
.letter-line.show {
    animation: letter-glow 2s ease-out;
}
@keyframes letter-glow {
    0% { opacity: 0; border-left-color: transparent; }
    30% { opacity: 1; border-left-color: rgba(255,204,102,0.8); }
    100% { opacity: 1; border-left-color: rgba(255,204,102,0.4); }
}

/* ── 张力行效果 ── */
.tension-line {
    color: #ccddff !important;
}
.tension-line.show {
    animation: tension-appear 0.6s ease-out;
}
@keyframes tension-appear {
    0% { opacity: 0; letter-spacing: 8px; }
    100% { opacity: 1; letter-spacing: normal; }
}

/* ── 缩放行效果 ── */
.zoom-line {
    color: #ddeeff !important;
}
.zoom-line.show {
    animation: zoom-appear 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes zoom-appear {
    0% { opacity: 0; transform: scale(1.5); filter: blur(3px); }
    100% { opacity: 1; transform: scale(1); filter: blur(0); }
}

/* ── 公式标签加大 ── */
.prologue-world-tag.tag-formula {
    font-size: 1.4em !important;
    color: #00f2ff !important;
    text-shadow: 0 0 15px rgba(0,242,255,0.8);
    font-family: 'Courier New', monospace;
    border-color: rgba(0,242,255,0.5);
    padding: 6px 16px;
}