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

:root {
    --pink: #f8a5b6;
    --pink-light: #fde2e8;
    --pink-dark: #e8758a;
    --peach: #fdd9b5;
    --cream: #fff9f5;
    --warm-white: #fffaf7;
    --text: #5a4a4a;
    --text-light: #8a7a7a;
    --shadow: rgba(248, 165, 182, 0.2);
    --radius: 20px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--warm-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 250, 247, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(248, 165, 182, 0.15);
}

.nav-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    background: linear-gradient(135deg, var(--pink-dark), var(--pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--pink-dark);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(253, 226, 232, 0.6) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(253, 217, 181, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(248, 165, 182, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink-dark), var(--pink), var(--peach));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--text-light);
    margin-bottom: 48px;
    font-weight: 400;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px 20px;
    box-shadow: 0 4px 24px var(--shadow);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-card.highlight {
    background: linear-gradient(135deg, var(--pink-light), white);
    border: 2px solid var(--pink);
}

.stat-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--pink-dark);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
}

.hero-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--pink-dark), var(--pink));
    color: white;
    text-decoration: none;
    padding: 16px 48px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 8px 32px rgba(232, 117, 138, 0.35);
    transition: all 0.3s;
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(232, 117, 138, 0.45);
}

/* 功能介绍 */
.features {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

.section-desc {
    text-align: center;
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 48px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.feature-card {
    background: var(--cream);
    border-radius: var(--radius);
    padding: 32px 20px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 猫咪档案 */
.cats-section {
    padding: 80px 0;
    background: var(--cream);
}

.cats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 16px;
}

.cat-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 24px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.cat-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 36px rgba(248, 165, 182, 0.3);
}

.cat-card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: var(--pink-light);
    display: block;
}

.cat-card-placeholder {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, var(--pink-light), var(--cream));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
}

.cat-card-body {
    padding: 20px;
}

.cat-card-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cat-fur-tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--pink-dark);
    background: var(--pink-light);
    padding: 2px 10px;
    border-radius: 20px;
}

.cat-card-desc {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin: 8px 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cat-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-light);
    border-top: 1px solid var(--pink-light);
    padding-top: 12px;
}

.cat-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 猫咪占位卡片 */
.cat-card-empty {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 24px var(--shadow);
    opacity: 0.5;
    border: 2px dashed var(--pink-light);
}

.cat-card-empty .cat-card-placeholder {
    opacity: 0.4;
}

.cat-card-empty .cat-card-body {
    text-align: center;
    padding: 20px;
}

.cat-card-empty .cat-card-name {
    justify-content: center;
    color: var(--text-light);
}

/* 地图 */
.map-section {
    padding: 80px 0;
    background: var(--cream);
}

.map-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 8px 40px var(--shadow);
    border: 3px solid var(--pink-light);
}

#mapContainer {
    width: 100%;
    height: 500px;
}

/* 下载 */
.download-section {
    padding: 80px 0;
    background: white;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 700px;
    margin: 0 auto;
}

.download-card {
    background: var(--cream);
    border-radius: var(--radius);
    padding: 40px 28px;
    text-align: center;
    transition: transform 0.3s;
}

.download-card:hover {
    transform: translateY(-4px);
}

.download-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.download-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.download-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.6;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.download-btn.android {
    background: linear-gradient(135deg, var(--pink-dark), var(--pink));
    color: white;
    box-shadow: 0 4px 20px rgba(232, 117, 138, 0.3);
}

.download-btn.android:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(232, 117, 138, 0.4);
}

.download-btn.coming-soon {
    background: var(--pink-light);
    color: var(--text-light);
    cursor: default;
}

.btn-icon {
    font-size: 14px;
}

/* 关于 */
.about-section {
    padding: 80px 0;
    background: var(--cream);
}

/* 留言板 */
.feedback-section {
    padding: 80px 0;
    background: white;
}

.feedback-form {
    max-width: 600px;
    margin: 0 auto 40px;
}

.form-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.feedback-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--pink-light);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text);
    background: var(--cream);
    outline: none;
    transition: border-color 0.3s;
}

.feedback-input:focus {
    border-color: var(--pink);
}

.form-hint {
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
}

.feedback-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--pink-light);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text);
    background: var(--cream);
    outline: none;
    resize: vertical;
    font-family: inherit;
    transition: border-color 0.3s;
}

.feedback-textarea:focus {
    border-color: var(--pink);
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
}

.char-count {
    font-size: 13px;
    color: var(--text-light);
}

.feedback-btn {
    padding: 10px 28px;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--pink-dark), var(--pink));
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(232, 117, 138, 0.3);
}

.feedback-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232, 117, 138, 0.4);
}

.feedback-btn:disabled {
    opacity: 0.6;
    cursor: default;
    transform: none;
}

.messages-list {
    max-width: 600px;
    margin: 0 auto;
}

.message-card {
    background: var(--cream);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.message-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--shadow);
}

.msg-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--peach));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.msg-nickname {
    font-weight: 600;
    font-size: 15px;
    color: var(--text);
}

.msg-time {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-light);
}

.msg-content {
    font-size: 14px;
    color: var(--text);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.load-more-wrap {
    text-align: center;
    margin-top: 20px;
}

.load-more-btn {
    padding: 10px 32px;
    border: 2px solid var(--pink-light);
    border-radius: 50px;
    background: white;
    color: var(--pink-dark);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.load-more-btn:hover {
    background: var(--pink-light);
}

.about-content {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-highlight {
    font-size: 20px !important;
    font-weight: 600;
    color: var(--pink-dark) !important;
    margin-top: 24px !important;
}

/* 底部 */
.footer {
    padding: 32px 0;
    background: var(--pink-light);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--pink-dark);
}

.footer-text {
    font-size: 14px;
    color: var(--text-light);
}

/* 响应式 */
@media (max-width: 768px) {
    .stats-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

    .cats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .cat-card-img, .cat-card-placeholder {
        height: 160px;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a {
        font-size: 14px;
    }

    #mapContainer {
        height: 350px;
    }

    .footer-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .form-row {
        flex-direction: column;
        align-items: stretch;
    }

    .form-hint {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        gap: 14px;
    }
}

/* 猫咪详情弹窗 */
.cat-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.cat-modal {
    background: white;
    border-radius: var(--radius);
    max-width: 520px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 16px 64px rgba(0,0,0,0.2);
}

.cat-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    z-index: 2;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.cat-modal-close:hover {
    background: white;
    color: var(--text);
}

.cat-modal-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.cat-modal-body {
    padding: 24px;
}

.cat-modal-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.cat-modal-profile {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin: 12px 0 20px;
}

.cat-modal-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.cat-stat {
    flex: 1;
    background: var(--cream);
    border-radius: 12px;
    padding: 12px 8px;
    text-align: center;
}

.cat-stat-num {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--pink-dark);
}

.cat-stat-label {
    display: block;
    font-size: 11px;
    color: var(--text-light);
    margin-top: 2px;
}

.cat-modal-records h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 12px;
    padding-top: 16px;
    border-top: 1px solid var(--pink-light);
}

.cat-record-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5;
}

.cat-record-item:last-child {
    border-bottom: none;
}

.cat-record-img {
    width: 72px;
    height: 72px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.cat-record-info {
    flex: 1;
    min-width: 0;
}

.cat-record-time {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.cat-record-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.cat-record-health, .cat-record-conf {
    font-size: 12px;
    font-weight: 500;
}

.cat-record-conf {
    color: var(--text-light);
}

.cat-record-desc {
    font-size: 13px;
    color: var(--text);
    line-height: 1.5;
}

.cat-record-addr {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

.cat-modal-loading {
    padding: 60px 20px;
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
}

@media (max-width: 600px) {
    .cat-modal-img {
        height: 200px;
    }

    .cat-modal-stats {
        flex-direction: column;
        gap: 8px;
    }

    .cat-stat {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px;
    }

    .cat-stat-num, .cat-stat-label {
        display: inline;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}