/* ========================================
   藏子世间 - 黑神话：悟空 风格重制版
   ======================================== */

/* 字体引入 */
@import url('https://fonts.googleapis.com/css2?family=LXGW+WenKai:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=ZCOOL+XiaoWei&display=swap');

/* ========================================
   CSS变量 - 黑神话配色体系
   ======================================== */
:root {
    /* 主色调 */
    --bg-deep: #0a0908;
    --bg-card: #1a1815;
    --bg-card-light: #252219;
    --gold: #c9a227;
    --gold-bright: #f5d442;
    --gold-dim: #8b7315;
    --red-dark: #8b0000;
    --red-glow: #cc2200;
    
    /* 文字色 */
    --text-primary: #e8e4dc;
    --text-secondary: #9a958a;
    --text-muted: #5a554d;
    
    /* 特效色 */
    --fire-glow: rgba(255, 150, 50, 0.6);
    --gold-glow: rgba(201, 162, 39, 0.4);
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    
    /* 圆角 */
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 12px;
}

/* ========================================
   基础样式重置
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ========================================
   背景纹理 - 石刻/青铜质感
   ======================================== */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        /* 墨迹纹理 */
        radial-gradient(ellipse at 20% 30%, rgba(30, 25, 20, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(40, 30, 25, 0.3) 0%, transparent 50%),
        /* 微弱噪点模拟宣纸质感 */
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: -1;
}

/* ========================================
   全屏封面容器
   ======================================== */
.full-screen {
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

/* 背景图 - 无缝长图 */
.cover-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/universe_full.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    transition: transform 15s ease-out;
}

/* 手机端调整背景定位 */
@media (max-width: 768px) {
    .cover-image {
        background-size: cover;
        background-position: center 40%;
    }
}

/* 手机竖屏 - 显示完整画面 */
@media (max-width: 768px) and (orientation: portrait) {
    .cover-image {
        background-size: contain;
        background-position: center center;
        background-color: #0a0908;
    }
}

/* 手机横屏 */
@media (max-width: 768px) and (orientation: landscape) {
    .cover-image {
        background-size: cover;
        background-position: center center;
    }
}

/* 超宽屏幕显示完整画面 */
@media (min-width: 1400px) {
    .cover-image {
        background-size: contain;
        background-color: #0a0908;
    }
}

.cover-image:hover {
    transform: scale(1.03);
}

/* 遮罩层 - 更深的渐变 */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(to bottom, 
            rgba(0, 0, 0, 0.1) 0%,
            rgba(0, 0, 0, 0.05) 30%,
            rgba(0, 0, 0, 0.08) 70%,
            rgba(0, 0, 0, 0.15) 100%
        ),
        radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.6) 100%);
}

/* ========================================
   标题容器 - 书法风格
   ======================================== */
.title-container {
    position: absolute;
    top: 6%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
}

.main-title {
    font-family: 'LXGW WenKai', 'Noto Sans SC', sans-serif;
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    letter-spacing: 0.8em;
    margin-right: -0.8em;
    text-shadow: 
        0 0 30px var(--fire-glow),
        0 0 60px rgba(255, 100, 30, 0.4),
        2px 2px 4px rgba(0, 0, 0, 0.8);
    animation: titleGlow 4s ease-in-out infinite;
    white-space: nowrap;
    /* 去除白色底色，让文字更通透 */
    background: transparent;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: var(--gold-bright);
    background-clip: unset;
}

.title-char {
    display: inline-block;
    animation: charFloat 3s ease-in-out infinite;
    text-shadow: 
        0 0 20px var(--fire-glow),
        0 0 40px rgba(255, 100, 30, 0.3);
}

.title-char:nth-child(1) { animation-delay: 0s; }
.title-char:nth-child(2) { animation-delay: 0.15s; }
.title-char:nth-child(3) { animation-delay: 0.3s; }
.title-char:nth-child(4) { animation-delay: 0.45s; }
.title-char:nth-child(5) { animation-delay: 0.6s; }
.title-char:nth-child(6) { animation-delay: 0.75s; }
.title-char:nth-child(7) { animation-delay: 0.9s; }

@keyframes charFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes titleGlow {
    0%, 100% { 
        filter: brightness(1);
        text-shadow: 
            0 0 30px var(--fire-glow),
            0 0 60px rgba(255, 100, 30, 0.4),
            2px 2px 4px rgba(0, 0, 0, 0.8);
    }
    50% { 
        filter: brightness(1.1);
        text-shadow: 
            0 0 50px rgba(255, 180, 80, 0.8),
            0 0 80px rgba(255, 120, 40, 0.5),
            2px 2px 4px rgba(0, 0, 0, 0.8);
    }
}

.subtitle {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(0.9rem, 2vw, 1.3rem);
    margin-top: 1.5rem;
    letter-spacing: 0.6em;
    color: var(--text-secondary);
    text-shadow: 0 0 15px rgba(201, 162, 39, 0.3);
}

/* ========================================
   点击提示 - 石刻风格
   ======================================== */
.hint {
    position: absolute;
    bottom: 6%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
    animation: hintFade 2.5s ease-in-out infinite;
}

.hint span {
    display: block;
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.hint-arrow {
    width: 16px;
    height: 16px;
    margin: 15px auto 0;
    border-right: 2px solid var(--gold-dim);
    border-bottom: 2px solid var(--gold-dim);
    transform: rotate(45deg);
    animation: arrowBounce 1.5s ease-in-out infinite;
}

@keyframes hintFade {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes arrowBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
    50% { transform: rotate(45deg) translateY(8px); opacity: 1; }
}

/* ========================================
   可点击区域
   ======================================== */
.click-zone {
    position: absolute;
    cursor: pointer;
    z-index: 20;
    transition: all 0.4s ease;
}

.click-zone:hover .zone-glow {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.3);
}

.click-zone:hover .zone-label {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.click-zone.wukong {
    left: 5%;
    bottom: 12%;
    width: 30%;
    height: 55%;
}

.click-zone.create {
    right: 8%;
    top: 18%;
    width: 35%;
    height: 42%;
}

.zone-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--fire-glow) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
    transition: all 0.4s ease;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 30px var(--fire-glow); }
    50% { box-shadow: 0 0 60px var(--fire-glow), 0 0 100px rgba(255, 100, 30, 0.3); }
}

.zone-label {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: linear-gradient(135deg, rgba(26, 24, 21, 0.95) 0%, rgba(15, 12, 10, 0.98) 100%);
    padding: 12px 28px;
    border: 1px solid var(--gold-dim);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    transition: all 0.3s ease;
    /* 石刻边框效果 */
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.5),
        0 0 15px rgba(201, 162, 39, 0.2);
}

.zone-label::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}

.zone-label::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}

.label-icon {
    /* 使用CSS绘制的装饰图标替代emoji */
    width: 20px;
    height: 20px;
    margin-right: 10px;
    display: inline-block;
    vertical-align: middle;
}

.label-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    letter-spacing: 0.4em;
    color: var(--text-primary);
}

/* ========================================
   首页导航 - 黑神话风格
   ======================================== */
.home-nav {
    position: fixed;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 3px;
    z-index: 100;
    background: transparent;
    padding: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3px 5px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 3px;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(26, 24, 21, 0.95) 0%, rgba(15, 13, 11, 0.98) 100%);
    border: 1px solid rgba(201, 162, 39, 0.4);
    font-size: 0.55rem;
    letter-spacing: 0.05em;
}

.nav-item:hover {
    background: linear-gradient(135deg, rgba(40, 35, 25, 0.95) 0%, rgba(25, 22, 18, 0.98) 100%);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateX(-3px);
}

.nav-item.highlight {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.4) 0%, rgba(100, 50, 25, 0.5) 100%);
    border: 1px solid rgba(204, 34, 0, 0.5);
}

.nav-icon {
    display: none;
}

.nav-text {
    font-size: 0.55rem;
    letter-spacing: 0.05em;
}

    min-width: auto;
    background: linear-gradient(135deg, rgba(26, 24, 21, 0.95) 0%, rgba(15, 13, 11, 0.98) 100%);
    border: 1px solid rgba(201, 162, 39, 0.4);
    box-shadow: 
        inset 0 0 15px rgba(0, 0, 0, 0.5),
        0 2px 8px rgba(0, 0, 0, 0.3);
}

.nav-item:hover {
    background: linear-gradient(135deg, rgba(40, 35, 25, 0.95) 0%, rgba(25, 22, 18, 0.98) 100%);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateX(-5px);
    box-shadow: 
        inset 0 0 15px rgba(0, 0, 0, 0.5),
        0 2px 15px rgba(201, 162, 39, 0.2);
}

.nav-item.highlight {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.4) 0%, rgba(100, 50, 25, 0.5) 100%);
    border: 1px solid rgba(204, 34, 0, 0.5);
}

.nav-item.highlight:hover {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.6) 0%, rgba(120, 60, 30, 0.7) 100%);
    border-color: var(--gold);
}

.nav-icon {
    width: 20px;
    height: 20px;
}

.nav-text {

.btn-bronze {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 14px 32px;
    background: linear-gradient(180deg, rgba(37, 34, 25, 0.9) 0%, rgba(20, 18, 15, 0.95) 100%);
    border: 1px solid var(--gold-dim);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Noto Serif SC', serif;
    font-size: 0.65rem;
    letter-spacing: 0.4em;
    cursor: pointer;
    transition: all 0.3s ease;
    /* 石刻质感 */
    box-shadow: 
        inset 0 1px 0 rgba(201, 162, 39, 0.2),
        inset 0 -2px 10px rgba(0, 0, 0, 0.4),
        0 0 15px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.btn-bronze::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 162, 39, 0.15), transparent);
    transition: left 0.5s ease;
}

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

.btn-bronze:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
    box-shadow: 
        inset 0 1px 0 rgba(201, 162, 39, 0.3),
        inset 0 -2px 10px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(201, 162, 39, 0.3),
        0 5px 20px rgba(0, 0, 0, 0.5);
}

.btn-bronze:active {
    transform: translateY(0);
}

/* 火光呼吸动画 */
.btn-bronze::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--fire-glow), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: fireBreath 2s ease-in-out infinite;
}

.btn-bronze:hover::after {
    opacity: 1;
}

@keyframes fireBreath {
    0%, 100% { 
        opacity: 0.4;
        box-shadow: 0 0 10px var(--fire-glow);
    }
    50% { 
        opacity: 0.8;
        box-shadow: 0 0 20px var(--fire-glow), 0 0 30px rgba(255, 100, 30, 0.3);
    }
}

/* ========================================
   宇宙页面
   ======================================== */
.universe-page {
    min-height: 100vh;
    position: relative;
    padding: 2rem;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 创建宇宙页面专属背景 */
#create-universe {
    background-image: linear-gradient(rgba(10, 9, 8, 0.75), rgba(10, 9, 8, 0.65)), 
                      url('../images/create_universe_bg.jpg');
}

/* 悟道页面背景 */
#wukong-universe {
    background-image: linear-gradient(rgba(10, 9, 8, 0.6), rgba(10, 9, 8, 0.7)), 
                      url('../images/wukong_bg.jpg');
}

/* 确保内容在背景之上 */
.universe-page > * {
    position: relative;
    z-index: 1;
}

.page-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(139, 115, 21, 0.3);
}

.back-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid rgba(139, 115, 21, 0.4);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: 'Noto Serif SC', serif;
    font-size: 0.9rem;
    letter-spacing: 0.8em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-btn::before {
    content: '';
    width: 8px;
    height: 8px;
    border-left: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg);
}

.back-btn:hover {
    background: rgba(139, 115, 21, 0.1);
    border-color: var(--gold-dim);
    color: var(--text-primary);
}

.page-header h2 {
    font-family: 'LXGW WenKai', 'Noto Sans SC', sans-serif;
    font-size: 1.8rem;
    letter-spacing: 0.3em;
    color: var(--gold);
    text-shadow: 0 0 20px rgba(201, 162, 39, 0.3);
}

/* 内容容器 */
.content-container {
    max-width: 900px;
    margin: 0 auto;
}

/* ========================================
   卡片样式 - 现代化设计
   ======================================== */
.intro-card,
.chapter-preview {
    position: relative;
    background: 
        linear-gradient(rgba(10, 9, 8, 0.75), rgba(10, 9, 8, 0.85)),
        url('../images/worldview_bg.jpg') center/cover no-repeat;
    border: 1px solid rgba(201, 162, 39, 0.4);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(201, 162, 39, 0.2);
    overflow: hidden;
}

.intro-card::before,
.chapter-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.intro-card h3,
.chapter-preview h3 {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gold);
    letter-spacing: 0.3em;
    text-shadow: 0 0 20px rgba(201, 162, 39, 0.5);
}

.intro-card p {
    line-height: 2.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.05rem;
}

/* 序章特殊样式 */
.chapter-preview {
    background: 
        linear-gradient(rgba(10, 9, 8, 0.7), rgba(10, 9, 8, 0.8)),
        url('../images/chapter_bg.jpg') center/cover no-repeat;
}

.chapter-preview .chapter-content p {
    line-height: 2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chapter-preview .quote {
    color: var(--gold);
    font-style: italic;
    font-size: 1.1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--gold-dim);
    margin-top: 1rem;
}

/* ========================================
   角色卡片网格 - 现代化设计
   ======================================== */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.character-card {
    position: relative;
    text-align: center;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: all 0.4s ease;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(26, 24, 21, 0.9) 0%, rgba(15, 13, 11, 0.95) 100%);
    border: 1px solid rgba(201, 162, 39, 0.3);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.character-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}

.character-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.character-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(201, 162, 39, 0.2);
}

.character-card:hover::after {
    opacity: 1;
}

.char-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(201, 162, 39, 0.2) 0%, rgba(139, 0, 0, 0.2) 100%);
    border: 2px solid rgba(201, 162, 39, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(201, 162, 39, 0.2);
    filter: brightness(0.7);
    transition: all 0.3s ease;
}

.character-card:hover .char-avatar {
    filter: brightness(1) drop-shadow(0 0 10px var(--fire-glow));
}

.character-card h4 {
    font-family: 'LXGW WenKai', 'Noto Sans SC', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--gold);
    letter-spacing: 0.8em;
}

.char-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.char-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   章节预览 - 已在上方定义
   ======================================== */
.chapter-content p {
    line-height: 2.2;
    margin-bottom: 1.2rem;
    text-indent: 2em;
    color: var(--text-primary);
}

.chapter-content .quote {
    text-indent: 0;
    text-align: center;
    font-family: 'LXGW WenKai', 'Noto Sans SC', sans-serif;
    color: var(--gold);
    font-size: 1.2rem;
    margin: 2rem 0;
    padding: 1.5rem;
    position: relative;
}

.chapter-content .quote::before,
.chapter-content .quote::after {
    content: '"';
    font-size: 2rem;
    color: var(--gold-dim);
    opacity: 0.5;
}

.chapter-content .quote::before {
    margin-right: 0.5rem;
}

.chapter-content .quote::after {
    margin-left: 0.5rem;
}

/* ========================================
   表单样式
   ======================================== */
.create-form {
    max-width: 500px;
    margin: 0 auto 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-size: 0.65rem;
    color: var(--gold);
    letter-spacing: 0.8em;
}

.form-group input[type="text"] {
    width: 100%;
    padding: 14px 18px;
    background: linear-gradient(180deg, rgba(26, 24, 21, 0.9) 0%, rgba(15, 12, 10, 0.95) 100%);
    border: 1px solid rgba(139, 115, 21, 0.4);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 
        0 0 20px rgba(201, 162, 39, 0.2),
        inset 0 0 20px rgba(0, 0, 0, 0.3);
}

.form-group input[type="text"]::placeholder {
    color: var(--text-muted);
}

/* 单选按钮组 */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.radio-item {
    display: flex;
    align-items: center;
    padding: 10px 18px;
    background: linear-gradient(180deg, rgba(26, 24, 21, 0.7) 0%, rgba(15, 12, 10, 0.9) 100%);
    border: 1px solid rgba(139, 115, 21, 0.3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-item:hover {
    border-color: var(--gold-dim);
    background: linear-gradient(180deg, rgba(37, 34, 25, 0.7) 0%, rgba(26, 24, 21, 0.9) 100%);
}

.radio-item input {
    margin-right: 10px;
    accent-color: var(--gold);
}

.radio-item:has(input:checked) {
    background: linear-gradient(180deg, rgba(50, 45, 30, 0.8) 0%, rgba(35, 30, 20, 0.9) 100%);
    border-color: var(--gold);
    box-shadow: 0 0 15px rgba(201, 162, 39, 0.2);
}

/* 创建按钮 */
.create-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(180deg, #8b6914 0%, #5c4610 50%, #3d2e0a 100%);
    border: 1px solid var(--gold);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 5px 20px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(201, 162, 39, 0.2);
}

.create-btn:hover {
    background: linear-gradient(180deg, #a07818 0%, #6c5212 50%, #4d3a0c 100%);
    transform: scale(1.02);
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 8px 30px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(201, 162, 39, 0.35);
}

/* ========================================
   身份卡
   ======================================== */
.identity-card {
    position: relative;
    max-width: 400px;
    margin: 2rem auto;
    background: linear-gradient(180deg, #1a1815 0%, #0f0d0a 100%);
    border: 2px solid var(--gold-dim);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 
        inset 0 0 50px rgba(0, 0, 0, 0.5),
        0 15px 50px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(201, 162, 39, 0.15);
}

/* 身份卡角落装饰 */
.identity-card::before,
.identity-card::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gold-dim);
    opacity: 0.6;
}

.identity-card::before {
    top: 8px;
    left: 8px;
    border-right: none;
    border-bottom: none;
}

.identity-card::after {
    bottom: 8px;
    right: 8px;
    border-left: none;
    border-top: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.15) 0%, rgba(201, 162, 39, 0.05) 100%);
    border-bottom: 1px solid rgba(139, 115, 21, 0.3);
}

.card-title {
    font-family: 'LXGW WenKai', 'Noto Sans SC', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.4em;
    color: var(--gold);
}

.card-number {
    font-family: 'Courier New', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
}

.card-body {
    padding: 1.5rem;
}

.card-row {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(139, 115, 21, 0.15);
}

.card-row:last-child {
    border-bottom: none;
}

.card-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.card-value {
    color: var(--gold);
    font-weight: 600;
}

.card-footer {
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.4em;
}

/* ========================================
   入口按钮（时间线、创建器等）
   ======================================== */
.timeline-entrance,
.creator-entrance {
    margin: 2.5rem 0;
    text-align: center;
}

.timeline-btn,
.creator-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: linear-gradient(180deg, rgba(26, 24, 21, 0.9) 0%, rgba(15, 12, 10, 0.95) 100%);
    border: 1px solid rgba(100, 150, 200, 0.4);
    border-radius: var(--radius-sm);
    color: #8ab4d4;
    text-decoration: none;
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    letter-spacing: 0.8em;
    transition: all 0.3s ease;
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(100, 150, 200, 0.1);
}

.creator-btn {
    border-color: rgba(180, 100, 255, 0.4);
    color: #c4a0e0;
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(180, 100, 255, 0.1);
}

.timeline-btn:hover,
.creator-btn:hover {
    transform: translateY(-3px);
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.3),
        0 8px 30px rgba(0, 0, 0, 0.4);
}

.timeline-btn:hover {
    border-color: rgba(100, 180, 255, 0.6);
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.3),
        0 8px 30px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(100, 180, 255, 0.2);
}

.creator-btn:hover {
    border-color: rgba(180, 130, 255, 0.6);
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.3),
        0 8px 30px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(180, 100, 255, 0.2);
}

.btn-icon {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

/* ========================================
   番茄小说入口
   ======================================== */
.fanqie-entrance {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 100;
}

.fanqie-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 14px 24px;
    background: linear-gradient(135deg, #6b1a1a 0%, #4a1212 100%);
    border: 1px solid #8b2222;
    border-radius: var(--radius-sm);
    color: #e8d5b7;
    text-decoration: none;
    font-family: 'Noto Serif SC', serif;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.4em;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 20px rgba(139, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.fanqie-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 100, 50, 0.2), transparent);
    transition: left 0.5s ease;
}

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

.fanqie-btn:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, #7b2020 0%, #5a1818 100%);
    box-shadow: 
        0 8px 30px rgba(139, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.fanqie-icon {
    width: 18px;
    height: 18px;
    opacity: 0.9;
}

.fanqie-text {
    white-space: nowrap;
}

.fanqie-link {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 2rem auto;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #6b1a1a 0%, #4a1212 100%);
    border: 1px solid #8b2222;
    border-radius: var(--radius-sm);
    color: #e8d5b7;
    text-decoration: none;
    text-align: center;
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    letter-spacing: 0.8em;
    transition: all 0.3s ease;
}

.fanqie-link:hover {
    background: linear-gradient(135deg, #7b2020 0%, #5a1818 100%);
    box-shadow: 0 5px 20px rgba(139, 0, 0, 0.4);
}

/* ========================================
   升级提示
   ======================================== */
.upgrade-notice {
    text-align: center;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, rgba(80, 40, 100, 0.15) 0%, rgba(50, 25, 60, 0.2) 100%);
    border: 1px dashed rgba(180, 100, 255, 0.3);
    border-radius: var(--radius-md);
}

.upgrade-notice p {
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
}

.upgrade-link {
    color: #c4a0e0;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.upgrade-link:hover {
    color: #d4b0f0;
    text-decoration: underline;
}

/* ========================================
   隐藏类
   ======================================== */
.hidden {
    display: none !important;
}

/* ========================================
   响应式设计
   ======================================== */

/* 平板设备 */
@media (max-width: 768px) {
    .title-container {
        top: 8%;
    }
    
    .main-title {
        letter-spacing: 0.4em;
        margin-right: -0.4em;
    }
    
    .subtitle {
        letter-spacing: 0.3em;
        font-size: 0.85rem;
    }
    
    .click-zone.wukong {
        left: 0;
        bottom: 8%;
        width: 55%;
        height: 45%;
    }
    
    .click-zone.create {
        right: 0;
        top: 12%;
        width: 50%;
        height: 38%;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .character-grid {
        grid-template-columns: 1fr;
    }
    
    .radio-group {
        flex-direction: column;
    }
    
    .radio-item {
        width: 100%;
        justify-content: center;
        min-height: 44px;
    }
    
    .home-nav {
        flex-wrap: wrap;
        justify-content: center;
        max-width: 95%;
        gap: 4px;
        padding: 8px 12px;
        bottom: 5px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .nav-item {
        padding: 10px 12px;
        min-width: 60px;
        min-height: 44px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .nav-icon {
        width: 22px;
        height: 22px;
        margin-bottom: 3px;
    }
    
    .nav-text {
        font-size: 0.65rem;
        letter-spacing: 0.05em;
    }
    
    .fanqie-entrance {
        bottom: 70px;
        right: 10px;
    }
    
    .fanqie-btn {
        padding: 8px 10px;
    }
    
    .fanqie-text {
        display: none;
    }
    
    .fanqie-icon {
        width: 24px;
        height: 24px;
    }
    
    .timeline-btn,
    .creator-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        min-height: 44px;
    }
    
    /* 确保触摸目标足够大 */
    .back-btn {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 10px 16px;
    }
    
    /* 表单输入优化 */
    .form-group input[type="text"] {
        min-height: 44px;
        font-size: 16px;
    }
    
    /* 卡片样式优化 */
    .intro-card,
    .character-card,
    .chapter-preview {
        padding: 1.5rem 1rem;
    }
    
    /* 身份卡优化 */
    .identity-card {
        margin: 1rem;
    }
    
    /* 世界构建页面链接优化 */
    .footer-links {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .footer-link {
        padding: 12px 16px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* 小屏移动设备 */
@media (max-width: 480px) {
    .title-container {
        top: 5%;
    }
    
    .main-title {
        font-size: clamp(2rem, 12vw, 3rem);
        letter-spacing: 0.3em;
    }
    
    .home-nav {
        max-width: 98%;
        padding: 6px 8px;
        gap: 3px;
        bottom: 3px;
    }
    
    .nav-item {
        padding: 6px 8px;
        min-width: 50px;
        min-height: 48px;
    }
    
    .nav-icon {
        width: 20px;
        height: 20px;
    }
    
    .nav-text {
        font-size: 0.6rem;
    }
    
    .intro-card,
    .character-card,
    .chapter-preview {
        padding: 1.2rem 0.8rem;
        border-radius: 6px;
    }
    
    .chapter-content p {
        font-size: 0.95rem;
        line-height: 1.8;
    }
    
    .chapter-content .quote {
        font-size: 1rem;
        padding: 1rem;
    }
    
    /* 卡片网格更紧凑 */
    .character-grid {
        gap: 1rem;
    }
    
    /* 表单优化 */
    .create-form {
        padding: 0 0.5rem;
    }
    
    .form-group label {
        font-size: 0.6rem;
        margin-bottom: 0.6rem;
    }
    
    /* 按钮更大 */
    .create-btn {
        padding: 14px;
        font-size: 1rem;
        min-height: 48px;
    }
    
    /* 时间线按钮 */
    .timeline-btn,
    .creator-btn {
        padding: 14px 16px;
        font-size: 0.85rem;
        letter-spacing: 0.3em;
    }
    
    /* 入口区域 */
    .timeline-entrance,
    .creator-entrance {
        margin: 1.5rem 0;
    }
}

/* 横屏模式 */
@media (max-height: 500px) and (orientation: landscape) {
    .title-container {
        top: 5%;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .click-zone.wukong {
        bottom: 5%;
        width: 45%;
        height: 70%;
    }
    
    .click-zone.create {
        top: 8%;
        width: 40%;
        height: 65%;
    }
    
    .home-nav {
        bottom: 5px;
        flex-wrap: nowrap;
        overflow-x: auto;
        max-width: 80%;
    }
    
    .fanqie-entrance {
        bottom: 50px;
    }
}

/* ========================================
   滚动条样式
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
    border: 1px solid rgba(139, 115, 21, 0.3);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-card-light);
    border-color: var(--gold-dim);
}

/* ========================================
   选择文本样式
   ======================================== */
::selection {
    background: rgba(201, 162, 39, 0.3);
    color: var(--text-primary);
}
/* cache bust: 1777444661 */
/* bust: 1777432729013474838 */

/* 机缘彩蛋按钮 - 神秘闪烁效果 */
.nav-item.secret-easter-egg {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.3) 0%, rgba(75, 0, 130, 0.4) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    animation: mysteriousPulse 4s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.nav-item.secret-easter-egg::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes mysteriousPulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(139, 0, 0, 0.5);
        opacity: 0.7;
    }
    50% {
        box-shadow: 0 0 20px rgba(139, 0, 0, 0.8), 0 0 30px rgba(75, 0, 130, 0.4);
        opacity: 1;
    }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.nav-item.secret-easter-egg:hover {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.6) 0%, rgba(75, 0, 130, 0.7) 100%);
    border-color: rgba(255, 215, 0, 0.6);
    animation: none;
    box-shadow: 0 0 30px rgba(139, 0, 0, 1), 0 0 50px rgba(75, 0, 130, 0.8);
}


/* 强制标题样式 - 覆盖所有响应式 */
.main-title {
    font-size: clamp(3.5rem, 12vw, 7rem) !important;
    letter-spacing: 0.8em !important;
}

.title-char {
    display: inline-block !important;
    animation: charFloat 2.5s ease-in-out infinite !important;
    animation-delay: calc(var(--char-index, 0) * 0.2s) !important;
}

.title-char:nth-child(1) { animation-delay: 0s !important; }
.title-char:nth-child(2) { animation-delay: 0.2s !important; }
.title-char:nth-child(3) { animation-delay: 0.4s !important; }
.title-char:nth-child(4) { animation-delay: 0.6s !important; }

@keyframes charFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* ========================================
   首页重构 - 叙事入口样式
   ======================================== */

/* 宇宙介绍文字 */
.universe-intro {
    position: absolute;
    top: 28%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 0.5s forwards;
}

.universe-intro p {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--text-secondary);
    letter-spacing: 0.4em;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(201, 162, 39, 0.2);
}

.universe-intro p:last-child {
    color: var(--gold-dim);
    font-size: clamp(0.9rem, 2vw, 1.2rem);
}

/* CTA 按钮容器 */
.cta-container {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 15;
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 0.8s forwards;
}

/* 开始探索按钮 */
.explore-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 48px;
    background: linear-gradient(180deg, 
        rgba(201, 162, 39, 0.15) 0%, 
        rgba(139, 115, 21, 0.1) 50%,
        rgba(100, 80, 15, 0.2) 100%
    );
    border: 2px solid var(--gold);
    border-radius: 4px;
    color: var(--gold-bright);
    text-decoration: none;
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-weight: 700;
    letter-spacing: 0.5em;
    margin-right: -0.5em;
    transition: all 0.4s ease;
    overflow: hidden;
    box-shadow: 
        0 0 30px rgba(201, 162, 39, 0.3),
        0 0 60px rgba(201, 162, 39, 0.1),
        inset 0 0 30px rgba(201, 162, 39, 0.1);
}

.explore-btn .btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(245, 212, 66, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.explore-btn:hover .btn-glow {
    width: 300px;
    height: 300px;
}

.explore-btn .btn-text {
    position: relative;
    z-index: 1;
}

.explore-btn .btn-arrow {
    position: relative;
    z-index: 1;
    font-size: 1.4em;
    transition: transform 0.3s ease;
}

.explore-btn:hover {
    background: linear-gradient(180deg, 
        rgba(201, 162, 39, 0.25) 0%, 
        rgba(139, 115, 21, 0.2) 50%,
        rgba(100, 80, 15, 0.3) 100%
    );
    border-color: var(--gold-bright);
    transform: translateY(-3px);
    box-shadow: 
        0 0 50px rgba(201, 162, 39, 0.5),
        0 0 100px rgba(201, 162, 39, 0.2),
        inset 0 0 40px rgba(201, 162, 39, 0.15);
}

.explore-btn:hover .btn-arrow {
    transform: translateX(8px);
}

.explore-btn:active {
    transform: translateY(-1px);
}

/* CTA 提示文字 */
.cta-hint {
    margin-top: 1.2rem;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: clamp(0.75rem, 1.5vw, 0.9rem);
    color: var(--text-muted);
    letter-spacing: 0.3em;
}

/* 淡入上移动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

/* 移除旧的点击提示样式 */
.hint {
    display: none;
}

/* 移除旧的可点击区域 */
.click-zone {
    display: none;
}

/* ========================================
   响应式调整 - 首页
   ======================================== */
@media (max-width: 768px) {
    .universe-intro {
        top: 24%;
    }
    
    .universe-intro p {
        font-size: 0.9rem;
        letter-spacing: 0.25em;
    }
    
    .cta-container {
        top: 42%;
    }
    
    .explore-btn {
        padding: 14px 36px;
        font-size: 1rem;
        letter-spacing: 0.3em;
    }
    
    .cta-hint {
        font-size: 0.7rem;
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    .universe-intro {
        top: 20%;
    }
    
    .universe-intro p {
        font-size: 0.8rem;
        margin-bottom: 0.3rem;
    }
    
    .cta-container {
        top: 38%;
    }
    
    .explore-btn {
        padding: 12px 28px;
        font-size: 0.9rem;
    }
    
    .cta-hint {
        font-size: 0.65rem;
    }
    
    .home-nav {
        padding: 6px 8px;
        gap: 3px;
        bottom: 3px;
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    .universe-intro {
        top: 15%;
    }
    
    .universe-intro p {
        font-size: 0.85rem;
    }
    
    .cta-container {
        top: 35%;
    }
    
    .explore-btn {
        padding: 10px 30px;
        font-size: 1rem;
    }
    
    .cta-hint {
        margin-top: 0.6rem;
        font-size: 0.7rem;
    }
}
/* cache bust: 1777460000 */