/* 全局重置与字体 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'STSong', serif;
    background: #e0d5c5;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

/* 游戏容器 */
#game-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* 层级 */
#scene-layer {
    display: none;
}

#atmosphere-layer {
    display: none;
}

/* 小说阅读区域 - 信纸 */
#novel-reader {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 92%;
    max-width: 700px;
    height: 88vh;
    z-index: 10;
    display: flex;
    flex-direction: column;
    padding: 24px 0;
    background: #f0e6d2;
    box-shadow:
        0 1px 1px rgba(0,0,0,0.08),
        0 2px 2px rgba(0,0,0,0.06),
        0 4px 4px rgba(0,0,0,0.04),
        0 8px 8px rgba(0,0,0,0.02);
    overflow: hidden;
}

/* 信纸横线纹理 */
#novel-reader::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        repeating-linear-gradient(
            to bottom,
            transparent 0,
            transparent 39px,
            rgba(0,0,0,0.04) 39px,
            rgba(0,0,0,0.04) 40px
        );
    pointer-events: none;
    z-index: 0;
}

/* 外边框装饰 */
#novel-reader::after {
    content: '';
    position: absolute;
    top: 12px; left: 12px; right: 12px; bottom: 12px;
    border: 1px solid rgba(0,0,0,0.06);
    pointer-events: none;
    z-index: 0;
}

/* 章节标题 */
#chapter-title {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
    color: #5d4037;
    letter-spacing: 0.2em;
    margin-bottom: 16px;
    padding: 0 24px;
    position: relative;
    z-index: 1;
    opacity: 0;
    animation: fadeInParagraph 0.6s ease forwards;
}

/* 小说正文容器 */
#novel-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0 28px;
    position: relative;
    z-index: 1;
    word-wrap: break-word;
    word-break: break-all;
}

/* 隐藏滚动条 */
#novel-content {
    scrollbar-width: none;
    -ms-overflow-style: none;
}
#novel-content::-webkit-scrollbar {
    display: none;
}

/* 段落基础 */
.novel-para {
    font-size: 1.05rem;
    line-height: 2.0;
    color: #3d2b1f;
    text-indent: 2em;
    margin-bottom: 10px;
    opacity: 0;
    animation: fadeInParagraph 0.5s ease forwards;
    position: relative;
}

/* 对话段落 */
.novel-dialogue {
    font-size: 1.05rem;
    line-height: 2.0;
    color: #3d2b1f;
    margin-bottom: 10px;
    opacity: 0;
    animation: fadeInParagraph 0.5s ease forwards;
}

.novel-dialogue::before {
    content: attr(data-name);
    font-weight: 600;
    color: #5d4037;
    margin-right: 0.5em;
}

/* 内心独白 */
.novel-thought {
    font-style: italic;
    color: #6b5344;
    font-size: 1.0rem;
    text-indent: 0;
    padding-left: 1em;
    border-left: 2px solid rgba(0,0,0,0.08);
    margin-left: 0.5em;
}

/* 场景描述 */
.novel-scene-desc {
    font-size: 1.0rem;
    color: #5d4037;
    text-indent: 0;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    margin-bottom: 12px;
}

/* 消息/微信对话 */
.novel-chat {
    font-size: 1.0rem;
    color: #5d4037;
    background: rgba(255,255,255,0.35);
    padding: 10px 16px;
    border-radius: 4px;
    margin-bottom: 10px;
    text-indent: 0;
    position: relative;
}

.novel-chat::before {
    content: '「';
    color: rgba(0,0,0,0.2);
}
.novel-chat::after {
    content: '」';
    color: rgba(0,0,0,0.2);
}

.novel-chat-sender {
    font-size: 0.85rem;
    color: rgba(0,0,0,0.3);
    margin-bottom: 4px;
    text-indent: 0;
}

/* 打字中光标 */
.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: #3d2b1f;
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: blink 0.8s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes fadeInParagraph {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 选项区域 */
#choice-area {
    padding: 16px 28px 24px 28px;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 35vh;
    overflow-y: auto;
}

#choice-area.hidden {
    display: none;
}

.choice-btn {
    width: 100%;
    padding: 14px 20px;
    border: 1.5px solid rgba(0,0,0,0.08);
    border-radius: 8px;
    background: rgba(255,255,255,0.45);
    font-family: inherit;
    font-size: 1.0rem;
    color: #3d2b1f;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    line-height: 1.6;
    position: relative;
    overflow: hidden;
}

.choice-btn:hover {
    background: rgba(255,255,255,0.7);
    border-color: rgba(0,0,0,0.12);
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.choice-btn:active {
    transform: translateX(2px);
    background: rgba(255,255,255,0.5);
}

/* 点击提示 */
#tap-hint {
    position: absolute;
    bottom: 12px;
    right: 20px;
    font-size: 0.8rem;
    color: rgba(0,0,0,0.25);
    letter-spacing: 0.1em;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

#tap-hint.hidden {
    display: none;
}

/* 顶部栏 */
#top-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    z-index: 100;
    pointer-events: none;
}

#top-bar > * {
    pointer-events: auto;
}

#mood-indicator {
    font-size: 0.85rem;
    color: rgba(0,0,0,0.35);
    letter-spacing: 0.1em;
}

#btn-menu {
    background: rgba(255,255,255,0.5);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    color: #5d4037;
    transition: all 0.2s;
}

#btn-menu:hover {
    background: rgba(255,255,255,0.8);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* 屏幕切换 */
.screen {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 50;
    transition: opacity 0.4s ease;
    background: #f0e6d2;
    background-image:
        repeating-linear-gradient(
            to bottom,
            transparent 0,
            transparent 39px,
            rgba(0,0,0,0.04) 39px,
            rgba(0,0,0,0.04) 40px
        );
}

.screen.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

/* 视角选择 */
#perspective-select h1 {
    font-size: 2.8rem;
    font-weight: 600;
    color: #5d4037;
    letter-spacing: 0.4em;
    margin-bottom: 8px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

#perspective-select .subtitle {
    font-size: 1.0rem;
    color: rgba(93, 64, 55, 0.5);
    letter-spacing: 0.3em;
    margin-bottom: 40px;
}

.perspective-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.perspective-btn {
    width: 280px;
    padding: 20px 28px;
    border: 1.5px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    box-shadow:
        0 1px 1px rgba(0,0,0,0.04),
        0 2px 2px rgba(0,0,0,0.02);
}

.perspective-btn:hover {
    border-color: rgba(0,0,0,0.15);
    transform: translateY(-2px);
    box-shadow:
        0 6px 20px rgba(0,0,0,0.06),
        0 0 30px rgba(139, 90, 43, 0.06);
    background: rgba(255,255,255,0.55);
}

.perspective-btn .label {
    font-size: 1.2rem;
    font-weight: 600;
    color: #5d4037;
    letter-spacing: 0.15em;
}

.perspective-btn .desc {
    font-size: 0.82rem;
    color: #6b5344;
    text-align: center;
    line-height: 1.5;
}

/* ===== 收集册按钮 ===== */
.collection-btn {
    margin-top: 20px;
    width: 280px;
    padding: 16px 24px;
    border: 1.5px solid rgba(139, 90, 43, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.collection-btn:hover {
    border-color: rgba(139, 90, 43, 0.4);
    background: rgba(255, 255, 255, 0.45);
    transform: translateY(-1px);
}

.collection-btn .label {
    font-size: 1.05rem;
    font-weight: 600;
    color: #7a5c4a;
    letter-spacing: 0.1em;
}

.collection-btn .desc {
    font-size: 0.75rem;
    color: rgba(122, 92, 74, 0.6);
    text-align: center;
}

/* ===== 收集册模态框 ===== */
#collection-modal {
    background: rgba(240, 230, 210, 0.95);
    backdrop-filter: blur(8px);
}

.collection-panel {
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 32px;
    background: #f5ebda;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    text-align: center;
}

.collection-panel h2 {
    font-size: 1.6rem;
    color: #5d4037;
    letter-spacing: 0.2em;
    margin-bottom: 20px;
}

.collection-progress {
    margin-bottom: 24px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(139, 90, 43, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #8d6e63, #a1887f);
    border-radius: 4px;
    transition: width 0.6s ease;
    width: 0%;
}

.progress-text {
    font-size: 0.85rem;
    color: rgba(93, 64, 55, 0.6);
    letter-spacing: 0.05em;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.ending-card {
    padding: 20px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.4);
    border: 1.5px solid rgba(139, 90, 43, 0.1);
    transition: all 0.3s ease;
}

.ending-card.locked {
    opacity: 0.5;
    filter: grayscale(0.6);
}

.ending-card.unlocked {
    border-color: rgba(139, 90, 43, 0.3);
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 2px 8px rgba(139, 90, 43, 0.08);
}

.ending-card.unlocked:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 90, 43, 0.12);
}

.card-frame {
    width: 60px;
    height: 60px;
    margin: 0 auto 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 90, 43, 0.08);
    border: 2px solid rgba(139, 90, 43, 0.15);
}

.ending-card.unlocked .card-frame {
    background: rgba(139, 90, 43, 0.12);
    border-color: rgba(139, 90, 43, 0.3);
}

.card-icon {
    font-size: 1.5rem;
    color: #7a5c4a;
}

.ending-card h3 {
    font-size: 1.0rem;
    color: #5d4037;
    margin-bottom: 6px;
    letter-spacing: 0.05em;
}

.card-hint {
    font-size: 0.75rem;
    color: rgba(93, 64, 55, 0.5);
    line-height: 1.4;
}

.ending-card.unlocked .card-hint {
    color: rgba(93, 64, 55, 0.7);
}

#btn-close-collection {
    padding: 10px 32px;
    border: 1.5px solid rgba(139, 90, 43, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.4);
    font-family: inherit;
    font-size: 0.95rem;
    color: #5d4037;
    cursor: pointer;
    transition: all 0.2s;
}

#btn-close-collection:hover {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(139, 90, 43, 0.4);
}

/* ===== 首次引导 ===== */
#tutorial-overlay {
    background: rgba(240, 230, 210, 0.96);
    backdrop-filter: blur(4px);
    z-index: 200;
}

.tutorial-panel {
    text-align: center;
    padding: 40px;
    max-width: 420px;
}

.tutorial-step {
    animation: fadeInParagraph 0.5s ease forwards;
}

.tutorial-step.hidden {
    display: none;
}

.tutorial-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.tutorial-step h3 {
    font-size: 1.3rem;
    color: #5d4037;
    margin-bottom: 12px;
    letter-spacing: 0.1em;
}

.tutorial-step p {
    font-size: 1.0rem;
    color: #6b5344;
    line-height: 1.8;
    margin-bottom: 32px;
}

#btn-tutorial-next {
    padding: 12px 40px;
    border: 1.5px solid rgba(139, 90, 43, 0.25);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
    font-family: inherit;
    font-size: 1.0rem;
    color: #5d4037;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.1em;
}

#btn-tutorial-next:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(139, 90, 43, 0.45);
}

/* ===== 情感曲线 ===== */
#emotion-curve-modal {
    background: rgba(240, 230, 210, 0.92);
    backdrop-filter: blur(6px);
    z-index: 150;
}

.emotion-panel {
    width: 90%;
    max-width: 480px;
    padding: 28px;
    background: #f5ebda;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    text-align: center;
}

.emotion-panel h3 {
    font-size: 1.2rem;
    color: #5d4037;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}

.emotion-chart {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 24px;
    height: 160px;
    margin-bottom: 16px;
    padding: 0 20px;
}

.emotion-bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.emotion-bar {
    width: 100%;
    max-width: 48px;
    border-radius: 4px 4px 0 0;
    transition: height 0.8s ease;
    position: relative;
    min-height: 4px;
}

.emotion-bar::after {
    content: attr(data-value);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: #6b5344;
    white-space: nowrap;
}

.emotion-bar-label {
    font-size: 0.75rem;
    color: rgba(93, 64, 55, 0.6);
}

.emotion-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.legend-item {
    font-size: 0.8rem;
    color: #6b5344;
    display: flex;
    align-items: center;
    gap: 4px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.legend-dot.affection { background: #c62828; }
.legend-dot.trust { background: #2e7d32; }
.legend-dot.initiative { background: #1565c0; }
.legend-dot.understanding { background: #f9a825; }

.emotion-bar.affection { background: linear-gradient(180deg, #ef5350, #c62828); }
.emotion-bar.trust { background: linear-gradient(180deg, #66bb6a, #2e7d32); }
.emotion-bar.initiative { background: linear-gradient(180deg, #42a5f5, #1565c0); }
.emotion-bar.understanding { background: linear-gradient(180deg, #ffca28, #f9a825); }

#btn-close-emotion {
    padding: 10px 32px;
    border: 1.5px solid rgba(139, 90, 43, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.4);
    font-family: inherit;
    font-size: 0.95rem;
    color: #5d4037;
    cursor: pointer;
    transition: all 0.2s;
}

#btn-close-emotion:hover {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(139, 90, 43, 0.4);
}

/* ===== 日记系统 ===== */

.diary-container {
    margin: 20px 28px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    z-index: 1;
    animation: fadeInParagraph 0.6s ease forwards;
}

.diary-title {
    text-align: center;
    font-size: 0.9rem;
    color: rgba(93, 64, 55, 0.5);
    letter-spacing: 0.3em;
    margin-bottom: 12px;
    font-weight: 400;
}

.diary-para {
    font-size: 0.95rem;
    line-height: 2.0;
    color: #5d4037;
    text-indent: 0;
    padding-left: 1em;
    border-left: 2px solid rgba(139, 110, 99, 0.2);
    margin-bottom: 8px;
    font-style: italic;
}

.diary-end {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(93, 64, 55, 0.35);
    margin-top: 16px;
    letter-spacing: 0.2em;
}

/* ===== 设置菜单 ===== */

#settings-menu {
    background: rgba(240, 230, 210, 0.92);
    backdrop-filter: blur(4px);
}

.menu-panel {
    width: 280px;
    padding: 32px;
    background: #f5ebda;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    text-align: center;
}

.menu-panel h2 {
    font-size: 1.4rem;
    color: #5d4037;
    margin-bottom: 24px;
    letter-spacing: 0.2em;
}

.menu-panel button {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 8px;
    background: rgba(255,255,255,0.4);
    font-family: inherit;
    font-size: 1.0rem;
    color: #5d4037;
    cursor: pointer;
    transition: all 0.2s;
}

.menu-panel button:hover {
    background: rgba(255,255,255,0.7);
    border-color: rgba(0,0,0,0.12);
}

/* ===== 聊天消息 ===== */

.chat-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0;
    margin: 8px 0;
}

.chat-bubble {
    max-width: 75%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    word-break: break-all;
    animation: fadeInParagraph 0.3s ease forwards;
}

.chat-self {
    align-self: flex-end;
    background: #95ec69;
    color: #1a1a1a;
    border-bottom-right-radius: 4px;
}

.chat-other {
    align-self: flex-start;
    background: #ffffff;
    color: #1a1a1a;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.chat-sender-label {
    font-size: 0.7rem;
    color: rgba(0,0,0,0.35);
    margin-bottom: 2px;
    padding-left: 2px;
}

.chat-text {
    display: inline;
}

.chat-typing {
    align-self: flex-start;
    background: #ffffff;
    padding: 10px 14px;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    display: flex;
    gap: 4px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    animation: fadeInParagraph 0.3s ease forwards;
}

.typing-dot {
    width: 7px;
    height: 7px;
    background: rgba(0,0,0,0.25);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ===== 关系状态提示 ===== */

.relationship-hint {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(139, 90, 43, 0.5);
    letter-spacing: 0.15em;
    margin: 8px auto 16px auto;
    padding: 8px 16px;
    background: rgba(139, 90, 43, 0.04);
    border-radius: 20px;
    display: table;
    opacity: 0;
    animation: fadeInParagraph 0.8s ease forwards;
}

/* ===== 记忆碎片 ===== */

.memory-title {
    text-align: center;
    font-size: 0.9rem;
    color: rgba(61, 43, 31, 0.35);
    letter-spacing: 0.3em;
    margin: 20px 0 10px 0;
    font-weight: 400;
    opacity: 0;
    animation: fadeInParagraph 0.6s ease forwards;
}

.memory-fragment {
    font-size: 0.92rem;
    line-height: 2.0;
    color: #6b5344;
    text-indent: 0;
    padding-left: 1.2em;
    padding-right: 1.2em;
    margin-bottom: 6px;
    font-style: italic;
    opacity: 0;
    animation: fadeInParagraph 0.5s ease forwards;
    position: relative;
    border-left: 2px solid rgba(139, 90, 43, 0.12);
    margin-left: 0.8em;
}

/* ===== 跨视角真相段落 ===== */

.truth-title {
    text-align: center;
    font-size: 0.9rem;
    color: rgba(139, 90, 43, 0.4);
    letter-spacing: 0.3em;
    margin: 18px 0 8px 0;
    font-weight: 400;
    opacity: 0;
    animation: fadeInParagraph 0.6s ease forwards;
}

.truth-para {
    font-size: 0.95rem;
    line-height: 2.0;
    color: #7a5c4a;
    text-indent: 0;
    padding: 8px 14px;
    margin: 4px 0 4px 0.8em;
    font-style: italic;
    opacity: 0;
    animation: fadeInParagraph 0.5s ease forwards;
    position: relative;
    border-left: 2px solid rgba(139, 90, 43, 0.2);
    background: rgba(139, 90, 43, 0.03);
}

/* ===== 响应式适配 ===== */

@media (max-width: 768px) {
    #novel-reader {
        width: 96%;
        height: 92vh;
        padding: 16px 0;
    }

    #chapter-title {
        font-size: 1.15rem;
        margin-bottom: 12px;
    }

    #novel-content {
        padding: 0 20px;
    }

    .novel-para,
    .novel-dialogue {
        font-size: 1.0rem;
        line-height: 1.85;
    }

    .novel-thought {
        font-size: 0.95rem;
    }

    #choice-area {
        padding: 12px 20px 20px 20px;
        gap: 8px;
    }

    .choice-btn {
        padding: 16px 18px;
        font-size: 1.0rem;
        min-height: 52px;
        touch-action: manipulation;
    }

    .perspective-btn,
    .collection-btn {
        width: 85vw;
        max-width: 320px;
    }

    #perspective-select h1 {
        font-size: 2.2rem;
    }

    .collection-panel {
        width: 92%;
        padding: 24px 20px;
    }

    .emotion-panel {
        width: 92%;
        padding: 24px 20px;
    }

    .tutorial-panel {
        padding: 32px 24px;
    }

    .menu-panel {
        width: 80vw;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    body {
        font-family: 'Noto Serif SC', 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
    }

    #novel-reader {
        width: 100%;
        height: 100vh;
        max-width: none;
        border-radius: 0;
        padding: 12px 0;
    }

    #novel-reader::after {
        top: 8px;
        left: 8px;
        right: 8px;
        bottom: 8px;
    }

    #chapter-title {
        font-size: 1.1rem;
        padding: 0 16px;
    }

    #novel-content {
        padding: 0 16px;
    }

    .novel-para,
    .novel-dialogue {
        font-size: 0.95rem;
        line-height: 1.8;
        margin-bottom: 8px;
    }

    .novel-scene-desc {
        font-size: 0.9rem;
    }

    .novel-chat {
        font-size: 0.9rem;
        padding: 8px 12px;
    }

    #choice-area {
        padding: 10px 16px 16px 16px;
        gap: 8px;
        max-height: 40vh;
    }

    .choice-btn {
        padding: 14px 16px;
        font-size: 0.95rem;
        min-height: 48px;
        border-radius: 10px;
    }

    #top-bar {
        padding: 8px 12px;
    }

    #btn-menu {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    #perspective-select h1 {
        font-size: 1.8rem;
        letter-spacing: 0.3em;
    }

    #perspective-select .subtitle {
        font-size: 0.9rem;
        margin-bottom: 28px;
    }

    .perspective-btn,
    .collection-btn {
        width: 85vw;
        padding: 16px 20px;
    }

    .perspective-btn .label {
        font-size: 1.1rem;
    }

    .collection-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .ending-card {
        padding: 16px 12px;
    }

    .emotion-chart {
        gap: 12px;
        height: 140px;
    }

    .tutorial-icon {
        font-size: 2.4rem;
    }

    .tutorial-step h3 {
        font-size: 1.15rem;
    }

    .tutorial-step p {
        font-size: 0.9rem;
        margin-bottom: 24px;
    }

    .memory-fragment {
        font-size: 0.85rem;
        padding-left: 0.8em;
        padding-right: 0.8em;
    }

    .diary-para {
        font-size: 0.85rem;
    }

    .relationship-hint {
        font-size: 0.75rem;
    }
}