/* ===== CSS 变量 & 粉色主题 ===== */
:root {
    --bg-primary: #fdf6f6;
    --bg-secondary: #faf0f0;
    --bg-card: #ffffff;
    --text-primary: #4a3838;
    --text-secondary: #8a6e6e;
    --text-muted: #b5a0a0;
    --accent-color: #e8b4b4;
    --accent-hover: #d4a0a0;
    --accent-glow: rgba(232, 180, 180, 0.3);
    --border-color: #e8d4d4;
    --shadow: 0 4px 20px rgba(74, 56, 56, 0.06);
    --shadow-hover: 0 8px 40px rgba(74, 56, 56, 0.1);
    --navbar-bg: rgba(253, 246, 246, 0.85);
    --hero-gradient-1: #f5e0e0;
    --hero-gradient-2: #e8c8c8;
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-accent: 'Georgia', 'Noto Serif SC', serif;
}

[data-theme="dark"] {
    --bg-primary: #2a2424;
    --bg-secondary: #363030;
    --bg-card: #3d3636;
    --text-primary: #e8d4d4;
    --text-secondary: #b5a0a0;
    --text-muted: #8a6e6e;
    --accent-color: #e8b4b4;
    --accent-hover: #d4a0a0;
    --accent-glow: rgba(232, 180, 180, 0.3);
    --border-color: #4a3838;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.3);
    --navbar-bg: rgba(42, 36, 36, 0.85);
    --hero-gradient-1: #4a3838;
    --hero-gradient-2: #6a4a4a;
}

/* ===== 基础重置 ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    font-size: 17px;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 56px;
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '✦';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: var(--accent-color);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline:hover {
    background: var(--accent-color);
    color: #fff;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-btn, .menu-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
}

.theme-btn:hover, .menu-btn:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.menu-btn {
    display: none;
}

/* ===== 英雄区域 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--hero-gradient-1), var(--hero-gradient-2));
    opacity: 0.15;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: var(--accent-color);
    opacity: 0.06;
    top: -150px;
    right: -150px;
    animation: blobFloat 20s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: var(--hero-gradient-2);
    opacity: 0.08;
    bottom: -80px;
    left: -80px;
    animation: blobFloat 25s ease-in-out infinite reverse;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 0 24px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-avatar {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    margin: 0 auto 24px;
    overflow: hidden;
    border: 4px solid var(--accent-color);
    box-shadow: 0 0 30px var(--accent-glow);
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 30px var(--accent-glow); }
    50% { box-shadow: 0 0 50px var(--accent-glow), 0 0 70px var(--accent-glow); }
}

.hero-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    font-size: 3.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-color), #e8c8c8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.hero-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.hero-social {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all var(--transition);
}

.hero-social a:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== 关于我 ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-image img,
.about-image video {
    width: 300px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}

.about-image img:hover,
.about-image video:hover {
    transform: scale(1.02) rotate(-1deg);
}

.about-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.9;
    font-size: 0.95rem;
}

.about-quote {
    margin-top: 28px;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent-color);
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.8;
}

.about-quote i {
    color: var(--accent-color);
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ===== 兴趣爱好 · 照片画廊 ===== */
.gallery {
    column-count: 4;
    column-gap: 12px;
}

.gallery img {
    width: 100%;
    border-radius: var(--radius);
    margin-bottom: 16px;
    display: block;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    break-inside: avoid;
}

.gallery img:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-hover);
}

/* ===== 彩蛋区 ===== */
.fun-wrapper {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.fun-hint {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.fun-box {
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 40px 32px;
    margin-bottom: 24px;
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.fun-box.pop {
    border-color: var(--accent-color);
    background: var(--bg-secondary);
}

.fun-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-family: var(--font-accent);
    transition: opacity 0.3s ease;
}

/* ===== 留言墙 ===== */
.wall-hint {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: -40px;
    margin-bottom: 28px;
}

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

.wall-form-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.wall-input {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color var(--transition);
}

.wall-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.wall-input::placeholder {
    color: var(--text-muted);
}

.wall-name {
    width: 130px;
    flex-shrink: 0;
}

.wall-msg {
    flex: 1;
    min-width: 180px;
    resize: none;
}

/* 联系方式小条 */
.wall-contact-strip {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.wall-contact-strip span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.wall-contact-strip i {
    color: var(--accent-color);
}

/* 留言墙响应式 */
@media (max-width: 768px) {
    .wall-form-row {
        flex-direction: column;
    }
    .wall-name {
        width: 100%;
    }
}

@media (max-width: 480px) {
}

/* ===== 页脚 ===== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== 回到顶部 ===== */
.go-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-color);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px var(--accent-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: 999;
}

.go-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.go-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 25px var(--accent-glow);
}

/* ===== Toast 通知 ===== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 16px 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-hover);
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s ease;
    font-weight: 500;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== 响应式设计 ===== */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .about-quote {
        text-align: left;
    }

}

@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--navbar-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hero-title {
        font-size: 2.4rem;
    }

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

    .section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 40px;
    }

    .gallery {
        column-count: 3;
    }

    .wall-contact-strip {
        gap: 14px;
    }

    .footer-content {
        flex-direction: column;
        gap: 6px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.9rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .gallery {
        column-count: 2;
    }

    .about-image img,
    .about-image video {
        width: 200px;
    }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* ===== 淡入动画（滚动触发） ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 照片灯箱 ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 28px;
    font-size: 2.2rem;
    color: #fff;
    cursor: pointer;
    z-index: 10;
    transition: transform 0.2s;
}

.lightbox-close:hover {
    transform: scale(1.2);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-img-wrap {
    max-width: 85vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img-wrap img {
    max-width: 85vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 60px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.lightbox-img-wrap.slide-out-left img {
    transform: translateX(-60px);
    opacity: 0;
}

.lightbox-img-wrap.slide-out-right img {
    transform: translateX(60px);
    opacity: 0;
}

.lightbox-img-wrap.slide-in-left img {
    animation: slideFromLeft 0.3s ease;
}

.lightbox-img-wrap.slide-in-right img {
    animation: slideFromRight 0.3s ease;
}

@keyframes slideFromLeft {
    from { transform: translateX(-60px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideFromRight {
    from { transform: translateX(60px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ===== 迷你音乐播放器 ===== */
.music-player {
    position: fixed;
    bottom: 100px;
    left: 24px;
    z-index: 998;
    font-family: inherit;
}

.music-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--accent-color);
    cursor: pointer;
    font-size: 1.3rem;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
}

.music-disc-icon {
    display: inline-block;
    animation: discSpin 3s linear infinite paused;
}

.music-player.playing .music-disc-icon {
    animation-play-state: running;
}

@keyframes discSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.music-panel {
    position: absolute;
    bottom: 60px;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px 20px 16px;
    box-shadow: var(--shadow-hover);
    text-align: center;
    min-width: 200px;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all var(--transition);
}

.music-player.expanded .music-panel {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.music-close {
    position: absolute;
    top: 6px;
    right: 12px;
    font-size: 1.2rem;
    color: var(--text-muted);
    cursor: pointer;
}

.music-close:hover {
    color: var(--text-primary);
}

.music-disc {
    font-size: 2.5rem;
    margin-bottom: 0px;
}

.music-disc.spinning {
    animation: discSpin 3s linear infinite paused;
}

.music-player.playing .music-disc.spinning {
    animation-play-state: running;
}

.music-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.music-artist {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.music-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.music-controls button {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-controls button:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

#musicPlay {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

/* ===== 光标拖尾粒子 ===== */
.cursor-particle {
    position: fixed;
    pointer-events: none;
    z-index: 9997;
    font-size: 1.1rem;
    animation: particleUp 1s ease-out forwards;
}

@keyframes particleUp {
    0% {
        opacity: 1;
        transform: translateY(0) scale(0.5);
    }
    50% {
        opacity: 0.8;
        transform: translateY(-20px) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-50px) scale(0.3);
    }
}