/* ========== 马卡龙配色变量 ========== */
:root {
    --macaron-pink: #FFB7C5;
    --macaron-pink-light: #FFD1DC;
    --macaron-mint: #B5EAD7;
    --macaron-mint-light: #D4F1E0;
    --macaron-lavender: #C7CEEA;
    --macaron-lavender-light: #E0E3F8;
    --macaron-peach: #FFDAC1;
    --macaron-peach-light: #FFE8D6;
    --macaron-lemon: #FFFFB5;
    --macaron-lemon-light: #FFFFE0;
    --macaron-blue: #A2D2FF;
    --macaron-blue-light: #C8E6FF;

    --text-dark: #5D5D5D;
    --text-soft: #7A7A7A;
    --white: #FFFFFF;
    --cream: #FFFBF5;
    --success: #88D8B0;
    --error: #FFB3BA;

    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'ZCOOL KuaiLe', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: var(--cream);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== 浮动装饰 ========== */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    font-size: 2rem;
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
}

.shape-1 { top: 10%; left: 5%; color: var(--macaron-pink); animation-delay: 0s; }
.shape-2 { top: 20%; right: 10%; color: var(--macaron-mint); animation-delay: 1s; font-size: 1.5rem; }
.shape-3 { top: 60%; left: 8%; color: var(--macaron-lavender); animation-delay: 2s; font-size: 2.5rem; }
.shape-4 { top: 70%; right: 5%; color: var(--macaron-peach); animation-delay: 3s; }
.shape-5 { top: 40%; left: 15%; color: var(--macaron-blue); animation-delay: 4s; font-size: 1.8rem; }
.shape-6 { top: 85%; left: 50%; color: var(--macaron-lemon); animation-delay: 5s; font-size: 1.5rem; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(15deg); }
}

/* ========== 导航栏 ========== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 251, 245, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 2px solid var(--macaron-pink-light);
    padding: 0 2rem;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.8rem;
    color: var(--macaron-pink);
    text-shadow: 2px 2px 0px var(--macaron-pink-light);
    letter-spacing: 2px;
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-soft);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-size: 1rem;
    border: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    background: var(--macaron-pink-light);
    color: var(--text-dark);
    border-color: var(--macaron-pink);
    transform: translateY(-2px);
}

/* ========== 首页自我介绍区 ========== */
.profile-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: 3rem 2rem;
}

.profile-content {
    max-width: 900px;
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.profile-avatar {
    position: relative;
    flex-shrink: 0;
}

.avatar-ring {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--macaron-pink), var(--macaron-peach));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    border: 6px solid var(--white);
    animation: float 4s ease-in-out infinite;
}

.avatar-emoji {
    font-size: 5rem;
}

.avatar-badges {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.badge {
    position: absolute;
    font-size: 1.5rem;
    animation: badgeBounce 2s ease-in-out infinite;
}

.badge-1 { top: -10px; right: -5px; animation-delay: 0s; }
.badge-2 { bottom: 10px; left: -15px; animation-delay: 0.5s; }
.badge-3 { bottom: -10px; right: 10px; animation-delay: 1s; }

@keyframes badgeBounce {
    0%, 100% { transform: translateY(0) rotate(-10deg); }
    50% { transform: translateY(-8px) rotate(10deg); }
}

.profile-info {
    max-width: 500px;
}

.profile-name {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.highlight-name {
    background: linear-gradient(135deg, var(--macaron-pink), var(--macaron-peach));
    color: var(--white);
    padding: 0.2rem 0.8rem;
    border-radius: var(--radius-sm);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.profile-grade {
    font-size: 1.1rem;
    color: var(--text-soft);
    margin-bottom: 1rem;
}

.profile-bio {
    font-size: 1.15rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.profile-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag {
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.95rem;
    border: 2px solid rgba(255,255,255,0.6);
}

/* ========== 信息卡片 ========== */
.info-cards {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.info-cards-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.info-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 3px solid transparent;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.info-card-pink { border-color: var(--macaron-pink); }
.info-card-mint { border-color: var(--macaron-mint); }
.info-card-lavender { border-color: var(--macaron-lavender); }

.info-card-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.info-card p {
    font-size: 1rem;
    color: var(--text-soft);
    line-height: 1.6;
}

/* ========== 板块入口 ========== */
.sections-entry {
    padding: 4rem 2rem;
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, var(--macaron-lavender-light) 0%, var(--cream) 100%);
}

.entry-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.entry-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-dark);
    box-shadow: var(--shadow-card);
    border: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.entry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.entry-math::before { background: linear-gradient(90deg, var(--macaron-pink), var(--macaron-peach)); }
.entry-chinese::before { background: linear-gradient(90deg, var(--macaron-mint), var(--macaron-blue)); }
.entry-science::before { background: linear-gradient(90deg, var(--macaron-blue), var(--macaron-lavender)); }
.entry-logic::before { background: linear-gradient(90deg, var(--macaron-peach), var(--macaron-lemon)); }
.entry-games::before { background: linear-gradient(90deg, var(--macaron-lavender), var(--macaron-pink)); }
.entry-maze::before { background: linear-gradient(90deg, var(--macaron-mint), var(--macaron-blue)); }
.entry-tictactoe::before { background: linear-gradient(90deg, var(--macaron-pink), var(--macaron-peach)); }
.entry-gomoku::before { background: linear-gradient(90deg, var(--macaron-lavender), var(--macaron-blue)); }

.entry-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.entry-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.entry-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.entry-card p {
    font-size: 1rem;
    color: var(--text-soft);
    margin-bottom: 1.2rem;
}

.entry-btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: var(--macaron-pink-light);
    color: #D46A7E;
    border-radius: 50px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.entry-math:hover .entry-btn { background: var(--macaron-pink); color: var(--white); }
.entry-chinese:hover .entry-btn { background: var(--macaron-mint); color: var(--white); }
.entry-science:hover .entry-btn { background: var(--macaron-blue); color: var(--white); }
.entry-logic:hover .entry-btn { background: var(--macaron-peach); color: var(--white); }
.entry-games:hover .entry-btn { background: var(--macaron-lavender); color: var(--white); }
.entry-maze:hover .entry-btn { background: var(--macaron-mint); color: var(--white); }
.entry-tictactoe:hover .entry-btn { background: var(--macaron-pink); color: var(--white); }
.entry-gomoku:hover .entry-btn { background: var(--macaron-lavender); color: var(--white); }

/* ========== 子页面顶部横幅 ========== */
.page-hero {
    padding: 4rem 2rem 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-hero-math { background: linear-gradient(180deg, var(--macaron-pink-light) 0%, var(--cream) 100%); }
.page-hero-chinese { background: linear-gradient(180deg, var(--macaron-mint-light) 0%, var(--cream) 100%); }
.page-hero-science { background: linear-gradient(180deg, var(--macaron-blue-light) 0%, var(--cream) 100%); }
.page-hero-logic { background: linear-gradient(180deg, var(--macaron-peach-light) 0%, var(--cream) 100%); }

.page-hero-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 0.5rem;
}

.page-hero-title {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.page-hero-math .page-hero-title { color: #E8879C; }
.page-hero-chinese .page-hero-title { color: #7EC8A0; }
.page-hero-science .page-hero-title { color: #8A9AE0; }
.page-hero-logic .page-hero-title { color: #E8A87C; }
.page-hero-games .page-hero-title { color: #C78FD1; }
.page-hero-games { background: linear-gradient(180deg, var(--macaron-lavender-light) 0%, var(--cream) 100%); }

.page-hero-desc {
    font-size: 1.2rem;
    color: var(--text-soft);
    margin-bottom: 1rem;
}

.page-back {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: var(--white);
    color: var(--text-soft);
    text-decoration: none;
    border-radius: 50px;
    font-size: 0.95rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.page-back:hover {
    border-color: var(--macaron-pink);
    color: var(--text-dark);
    transform: translateY(-2px);
}

/* ========== 答题区域 ========== */
.section {
    padding: 4rem 2rem;
    position: relative;
    z-index: 1;
}

.section-alt {
    background: linear-gradient(180deg, var(--macaron-lavender-light) 0%, var(--cream) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

#math .section-title, .page-hero-math .section-title { color: #E8879C; }
#chinese .section-title, .page-hero-chinese .section-title { color: #7EC8A0; }
#science .section-title, .page-hero-science .section-title { color: #8A9AE0; }
#logic .section-title, .page-hero-logic .section-title { color: #E8A87C; }

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-soft);
}

.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.quiz-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    border: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.quiz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

#math .quiz-card::before, body[data-page="math"] .quiz-card::before { background: linear-gradient(180deg, var(--macaron-pink), var(--macaron-peach)); }
#chinese .quiz-card::before, body[data-page="chinese"] .quiz-card::before { background: linear-gradient(180deg, var(--macaron-mint), var(--macaron-blue)); }
#science .quiz-card::before, body[data-page="science"] .quiz-card::before { background: linear-gradient(180deg, var(--macaron-blue), var(--macaron-lavender)); }
#logic .quiz-card::before, body[data-page="logic"] .quiz-card::before { background: linear-gradient(180deg, var(--macaron-peach), var(--macaron-lemon)); }

.quiz-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.quiz-number {
    display: inline-block;
    background: var(--macaron-pink-light);
    color: var(--text-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    border: 2px solid var(--macaron-pink);
}

.quiz-question {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    line-height: 1.5;
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.option-btn {
    padding: 1rem 1.5rem;
    border: 2px solid var(--macaron-lavender);
    background: var(--white);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.option-btn:hover {
    background: var(--macaron-lavender-light);
    border-color: var(--macaron-lavender);
    transform: translateY(-2px);
}

.option-btn.correct {
    background: var(--success) !important;
    border-color: #4CAF50 !important;
    color: var(--white) !important;
    animation: correctPop 0.4s ease;
}

.option-btn.wrong {
    background: var(--error) !important;
    border-color: #FF6B6B !important;
    color: var(--white) !important;
    animation: shake 0.4s ease;
}

.option-btn.disabled {
    pointer-events: none;
    opacity: 0.7;
}

@keyframes correctPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.quiz-result {
    margin-top: 1rem;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 1.1rem;
    display: none;
}

.quiz-result.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.quiz-result.correct-result {
    background: var(--macaron-mint-light);
    color: #2E7D4A;
    border: 2px solid var(--success);
}

.quiz-result.wrong-result {
    background: var(--macaron-pink-light);
    color: #C62828;
    border: 2px solid var(--error);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== 页脚 ========== */
.footer {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(180deg, var(--cream), var(--macaron-pink-light));
    position: relative;
    z-index: 1;
}

.footer p {
    color: var(--text-soft);
    font-size: 1rem;
}

.footer-stars {
    margin-top: 0.5rem;
    color: var(--macaron-peach);
    font-size: 1.2rem;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .profile-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .info-cards-grid {
        grid-template-columns: 1fr;
    }

    .entry-grid {
        grid-template-columns: 1fr;
    }

    .page-hero-title {
        font-size: 2rem;
    }

    .quiz-options {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 1rem;
    }

    .stat-card {
        padding: 1rem 1.5rem;
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .quiz-card {
        padding: 1.5rem;
    }

    .quiz-question {
        font-size: 1.1rem;
    }
}