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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans CJK SC', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fafbfc;
    overflow-x: hidden;
}

/* =============== 导航栏 =============== */
.navbar {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover {
    color: #667eea;
}

.nav-auth {
    display: flex;
    gap: 1rem;
}

.nav-btn-signin,
.nav-btn-signup {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.nav-btn-signin {
    background: transparent;
    color: #667eea;
    border: 1px solid #667eea;
}

.nav-btn-signin:hover {
    background: #f0f0f0;
}

.nav-btn-signup {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.nav-btn-signup:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* =============== Hero 区 =============== */
.hero {
    background: linear-gradient(135deg, #f5f7ff 0%, #fef0ff 100%);
    padding: 80px 2rem;
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #333;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.hero-illustration {
    margin: 3rem 0;
    min-height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.personality-circles {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: white;
    animation: float 3s ease-in-out infinite;
}

.circle.c1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.circle.c2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation-delay: 0.3s;
}

.circle.c3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0.6s;
}

.circle.c4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    animation-delay: 0.9s;
}

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

.circle.c1 { --transform: translateX(-50%); }
.circle.c2 { --transform: translateY(-50%); }
.circle.c3 { --transform: translateX(-50%); }
.circle.c4 { --transform: translateY(-50%); }

.hero-tagline {
    font-size: 1rem;
    color: #999;
    margin-top: 2rem;
}

/* =============== 按钮样式 =============== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #f0f0f0;
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* =============== MBTI科普区 =============== */
.mbti-intro {
    padding: 80px 2rem;
    background: white;
}

.intro-container {
    max-width: 1200px;
    margin: 0 auto;
}

.intro-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: #333;
}

.intro-desc {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.dimensions {
    margin-top: 4rem;
}

.dimensions h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #333;
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.dimension {
    background: linear-gradient(135deg, #f5f7ff 0%, #fef0ff 100%);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.dimension:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.1);
}

.dimension-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.dimension-letter {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.dimension-name {
    font-weight: 600;
    color: #333;
    text-align: right;
}

.dimension p {
    color: #666;
    line-height: 1.6;
}

/* =============== 16型人格展示 =============== */
.personalities {
    padding: 80px 2rem;
    background: linear-gradient(135deg, #f5f7ff 0%, #fef0ff 100%);
}

.personalities-container {
    max-width: 1400px;
    margin: 0 auto;
}

.personalities-container h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: #333;
}

.personality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.personality-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.personality-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    border-color: rgba(102, 126, 234, 0.3);
}

.personality-card.analyst {
    border-top: 3px solid #667eea;
}

.personality-card.diplomat {
    border-top: 3px solid #f093fb;
}

.personality-card.guardian {
    border-top: 3px solid #4facfe;
}

.personality-card.explorer {
    border-top: 3px solid #43e97b;
}

.card-header {
    margin-bottom: 0.8rem;
}

.card-header h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 0.3rem;
}

.card-title {
    font-size: 0.95rem;
    color: #666;
}

.card-emoji {
    font-size: 2.5rem;
    margin: 0.5rem 0;
}

.card-desc {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.card-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.card-traits span {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* =============== 故事分享区 =============== */
.stories {
    padding: 80px 2rem;
    background: white;
}

.stories-container {
    max-width: 1200px;
    margin: 0 auto;
}

.stories-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: #333;
}

.stories-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.story-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.story-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.story-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    color: white;
}

.story-header.analyst {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.story-header.diplomat {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.story-header.guardian {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.story-header.explorer {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.story-type {
    font-weight: bold;
    font-size: 1.2rem;
}

.story-emoji {
    font-size: 1.8rem;
}

.story-card h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.story-text {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.story-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.story-meta span {
    font-size: 0.9rem;
    color: #999;
}

/* =============== 精选文章 =============== */
.featured-articles {
    padding: 80px 2rem;
    background: linear-gradient(135deg, #f5f7ff 0%, #fef0ff 100%);
}

.articles-container {
    max-width: 1200px;
    margin: 0 auto;
}

.articles-container h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: #333;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.article-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.article-image-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.article-image-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.article-card h3 {
    font-size: 1.2rem;
    padding: 1.5rem 1.5rem 0.5rem;
    color: #333;
}

.article-card p {
    padding: 0 1.5rem;
    color: #666;
    flex-grow: 1;
}

.read-more {
    padding: 1.5rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.read-more:hover {
    color: #764ba2;
}

/* =============== 社区参与区 =============== */
.community {
    padding: 80px 2rem;
    background: white;
}

.community-container {
    max-width: 1200px;
    margin: 0 auto;
}

.community-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: #333;
}

.community-desc {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
}

.community-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.highlight-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7ff 0%, #fef0ff 100%);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-5px);
}

.highlight-item i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.highlight-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.highlight-item p {
    color: #666;
    font-size: 0.95rem;
}

.community-preview {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.community-preview h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.discussion-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.discussion-item {
    display: flex;
    gap: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.discussion-content {
    flex: 1;
}

.discussion-author {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.3rem;
}

.discussion-text {
    color: #666;
    margin-bottom: 0.5rem;
}

.discussion-time {
    font-size: 0.85rem;
    color: #999;
}

.community-preview .btn {
    width: 100%;
}

/* =============== 底部CTA =============== */
.final-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 2rem;
    text-align: center;
}

.final-cta-container {
    max-width: 700px;
    margin: 0 auto;
}

.final-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-note {
    font-size: 0.95rem;
    margin-top: 1rem;
    opacity: 0.9;
}

/* =============== 邮件订阅 =============== */
.newsletter {
    background: white;
    padding: 60px 2rem;
    text-align: center;
    border-top: 1px solid #e5e7eb;
}

.newsletter-container {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.newsletter p {
    color: #666;
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.newsletter-form .btn {
    flex-shrink: 0;
}

.privacy-note {
    font-size: 0.85rem;
    color: #999;
}

/* =============== Footer =============== */
.footer {
    background: #1a1a1a;
    color: #999;
    padding: 4rem 2rem 1.5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #667eea;
}

.social-media {
    display: flex;
    gap: 1rem;
}

.social-media a {
    color: #999;
    font-size: 1.3rem;
    transition: all 0.3s;
}

.social-media a:hover {
    color: #667eea;
    transform: translateY(-3px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid #333;
    text-align: center;
    color: #666;
}

/* =============== 响应式设计 =============== */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 1.5rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .dimensions-grid,
    .personality-grid,
    .stories-grid,
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .community-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* =============== 导航栏移动优化 =============== */
    .nav-container {
        padding: 1rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo-icon {
        font-size: 1.4rem;
    }

    .nav-menu {
        display: none;
    }

    /* =============== Hero 区移动优化 =============== */
    .hero {
        padding: 60px 1.5rem;
        min-height: auto;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 1rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .hero-illustration {
        margin: 2rem 0;
        min-height: 200px;
    }

    .personality-circles {
        width: 200px;
        height: 200px;
    }

    .circle {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .btn-large {
        padding: 0.9rem 1.8rem;
        font-size: 0.95rem;
        width: 100%;
    }

    .hero-tagline {
        font-size: 0.85rem;
        margin-top: 1.5rem;
    }

    /* =============== MBTI科普区移动优化 =============== */
    .mbti-intro {
        padding: 60px 1.5rem;
    }

    .intro-container h2 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }

    .intro-desc {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .dimensions h3 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }

    .dimensions-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .dimension {
        padding: 1.5rem;
    }

    .dimension-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }

    .dimension-letter {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .dimension-name {
        text-align: left;
        font-size: 0.95rem;
    }

    .dimension p {
        font-size: 0.9rem;
    }

    /* =============== 16型人格展示移动优化 =============== */
    .personalities {
        padding: 60px 1.5rem;
    }

    .personalities-container h2 {
        font-size: 1.6rem;
        margin-bottom: 2rem;
    }

    .personalities-container > p {
        font-size: 0.9rem !important;
        margin-bottom: 2rem !important;
    }

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

    .personality-card {
        padding: 1rem;
    }

    .card-header h3 {
        font-size: 1.1rem;
    }

    .card-title {
        font-size: 0.85rem;
    }

    .card-emoji {
        font-size: 2rem;
        margin: 0.4rem 0;
    }

    .card-desc {
        font-size: 0.8rem;
        margin-bottom: 0.8rem;
    }

    .card-traits span {
        padding: 0.2rem 0.6rem;
        font-size: 0.75rem;
    }

    /* =============== 故事分享区移动优化 =============== */
    .stories {
        padding: 60px 1.5rem;
    }

    .stories-container h2 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }

    .stories-intro {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .stories-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .story-card {
        padding: 1.5rem;
    }

    .story-header {
        padding: 0.8rem;
        margin-bottom: 1rem;
    }

    .story-type {
        font-size: 1rem;
    }

    .story-emoji {
        font-size: 1.5rem;
    }

    .story-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }

    .story-text {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .story-meta span {
        font-size: 0.8rem;
    }

    /* =============== 底部CTA移动优化 =============== */
    .final-cta {
        padding: 60px 1.5rem;
    }

    .final-cta-container {
        max-width: 100%;
    }

    .final-cta h2 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }

    .final-cta p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    .final-cta .btn-large {
        width: 100%;
    }

    .cta-note {
        font-size: 0.8rem;
        margin-top: 1rem;
    }

    /* =============== Footer移动优化 =============== */
    .footer {
        padding: 2rem 1.5rem 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .footer-section h4 {
        font-size: 0.95rem;
        margin-bottom: 0.8rem;
    }

    .footer-section ul li {
        margin-bottom: 0.6rem;
        font-size: 0.9rem;
    }

    .footer-section a {
        font-size: 0.9rem;
    }

    .footer-bottom {
        text-align: center;
        padding-top: 1.5rem;
    }

    .footer-bottom p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    /* =============== 超小屏幕优化 =============== */
    .nav-container {
        padding: 0.8rem 1rem;
    }

    .logo {
        font-size: 1rem;
    }

    .logo-icon {
        font-size: 1.2rem;
    }

    /* =============== Hero 区超小屏优化 =============== */
    .hero {
        padding: 40px 1rem;
        min-height: auto;
    }

    .hero-title {
        font-size: 1.4rem;
        margin-bottom: 0.8rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
        line-height: 1.5;
    }

    .hero-illustration {
        margin: 1.5rem 0;
        min-height: 150px;
    }

    .personality-circles {
        width: 150px;
        height: 150px;
    }

    .circle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
        width: 100%;
    }

    .hero-tagline {
        font-size: 0.75rem;
        margin-top: 1rem;
    }

    /* =============== 各区域超小屏优化 =============== */
    .mbti-intro,
    .personalities,
    .stories,
    .final-cta {
        padding: 40px 1rem;
    }

    .intro-container h2,
    .personalities-container h2,
    .stories-container h2,
    .final-cta h2 {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }

    .intro-desc,
    .stories-intro {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    .dimensions h3 {
        font-size: 1.2rem;
        margin-bottom: 1.2rem;
    }

    .dimensions-grid {
        gap: 1rem;
    }

    .dimension {
        padding: 1.2rem;
    }

    .dimension p {
        font-size: 0.85rem;
    }

    .personality-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .personality-card {
        padding: 0.8rem;
    }

    .card-header h3 {
        font-size: 1rem;
    }

    .card-emoji {
        font-size: 1.8rem;
    }

    .card-desc {
        font-size: 0.75rem;
    }

    .stories-grid {
        gap: 1.2rem;
    }

    .story-card {
        padding: 1.2rem;
    }

    .story-card h3 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }

    .story-text {
        font-size: 0.85rem;
        margin-bottom: 0.8rem;
    }

    .final-cta p {
        font-size: 0.9rem;
        margin-bottom: 1.2rem;
    }

    .cta-note {
        font-size: 0.75rem;
    }

    /* =============== Footer超小屏优化 =============== */
    .footer {
        padding: 1.5rem 1rem 0.8rem;
    }

    .footer-content {
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .footer-section h4 {
        font-size: 0.85rem;
        margin-bottom: 0.6rem;
    }

    .footer-section ul li {
        margin-bottom: 0.4rem;
        font-size: 0.8rem;
    }

    .footer-bottom {
        padding-top: 1rem;
    }

    .footer-bottom p {
        font-size: 0.75rem;
    }

    h2, h3 {
        font-size: 1.4rem;
    }
}