/* =========================================================
   11-theme · 主题覆盖层（必须最后加载）
   承载范围：原 style.css 第 3821-5069 行
   本节包含：
     - 冬季主题 · 雪花 · 心情一句话 · 微交互
     - 冬季主题深度集成 · 时段按钮两排布局
     - 统一主题色码（四套配色覆盖前面的局部颜色）
   ========================================================= */

/* =========================================================
   冬季主题 · 雪花 · 心情一句话 · 会呼吸的细节 · 微交互
   ========================================================= */

/* ---- 雪花层 ---- */
#snowCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 51;
    pointer-events: none;
    display: none;
}

/* ---- 冬季主题：整体换成蓝色系 ---- */
body.winter-mode {
    --pink-50: #f2f7ff;
    --pink-100: #e4eeff;
    --pink-200: #caddff;
    --pink-300: #abc9ff;
    --pink-400: #84adf7;
    --pink-500: #5e92e8;
    --pink-600: #4876c9;
    --pink-700: #3b5ea5;
    --pink-800: #2e4a85;

    --bg-main: #f2f7ff;
    --bg-card: rgba(255, 255, 255, 0.86);
    --text-primary: #2b3a55;
    --text-secondary: #5c708f;
    --text-muted: #8ba0c0;
    --border-light: rgba(110, 150, 210, 0.25);
    --border-medium: rgba(100, 140, 200, 0.45);

    --shadow-sm: 0 2px 12px rgba(90, 130, 200, 0.08);
    --shadow-md: 0 6px 24px rgba(90, 130, 200, 0.12);
    --shadow-lg: 0 12px 40px rgba(80, 120, 190, 0.15);
    --accent-soft: rgba(150, 190, 255, 0.15);
    --accent-hover: rgba(175, 210, 255, 0.3);
    --accent-glow: rgba(80, 140, 235, 0.3);
    --body-bg: #dbe8ff;
    --body-gradient: linear-gradient(135deg, #eef4ff 0%, #dbe8ff 30%, #c8dbff 60%, #e4efff 100%);
    --surface-soft: rgba(240, 247, 255, 0.56);
    --surface-card: rgba(240, 247, 255, 0.72);
    --surface-input: rgba(240, 247, 255, 0.82);
    --surface-highlight: rgba(195, 220, 255, 0.48);
    --surface-highlight-strong: rgba(155, 195, 250, 0.32);
    --accent-border: rgba(120, 165, 235, 0.34);
    --accent-shadow: rgba(70, 130, 225, 0.3);
    --accent-shadow-strong: rgba(70, 130, 225, 0.45);

    background-color: var(--body-bg);
    background-image: var(--body-gradient);
}


body.snow-mode .banner-img:not(.has-image) {
    background-image: var(--hero-fb-snow-morning) !important;
}





body.snow-mode .main-content {
    color: var(--text-primary);
}

body.snow-mode .main-content hr {
    border-color: var(--border-light) !important;
}


body.snow-mode .post-content [style*="color:var(--text-muted)"],
body.snow-mode .post-content [style*="color: var(--text-muted)"],
body.snow-mode .post-content [style*="color:var(--text-secondary)"],
body.snow-mode .post-content [style*="color: var(--text-secondary)"],
body.snow-mode .share-section [style*="color:var(--text-muted)"],
body.snow-mode .share-section [style*="color: var(--text-muted)"] {
    color: var(--text-muted) !important;
}

body.snow-mode .post-content [style*="rgba(255,180,200"],
body.snow-mode .post-content [style*="rgba(255, 180, 200"] {
    border-color: var(--border-light) !important;
}


body.dark-mode.snow-mode .banner-img:not(.has-image) {
    background-image: var(--hero-fb-snow-night) !important;
}





/* ---- Hero 心情与博客成长信息 ---- */
.hero-subtitle-text {
    border: 0;
    background: transparent;
    cursor: pointer;
    font: inherit;
    margin-bottom: 0;
}

.hero-mood-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: auto;
    margin-bottom: 200px;
}

.hero-subtitle-text:hover {
    opacity: 0.82;
    transform: translateY(-2px);
}

.hero-subtitle-text.is-typing::after {
    content: '|';
    margin-left: 3px;
    animation: moodCursor 0.8s step-end infinite;
}

@keyframes moodCursor {
    50% { opacity: 0; }
}

.hero-life-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: -160px;
    margin-bottom: 140px;
}

.hero-life-card {
    min-width: 170px;
    padding: 16px 20px;
    border: 1px solid var(--glass-28);
    border-radius: 16px;
    background: var(--glass-12);
    backdrop-filter: blur(10px);
    color: var(--glass-88);
    text-align: center;
}

.hero-life-card strong,
.hero-life-card span {
    display: block;
}

.hero-life-card strong {
    font-size: 28px;
    line-height: 1.2;
}

.hero-life-card span {
    font-size: 12px;
    margin-top: 5px;
}

.hero-life-card small {
    display: block;
    margin-top: 4px;
    color: var(--glass-66);
    font-size: 10px;
    letter-spacing: 0.5px;
}

.message-board-panel {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--surface-soft);
    padding: 16px;
}

.message-board-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.contact-summary-card {
    flex: 1;
    min-width: 120px;
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--surface-soft);
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-label {
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 0.5px;
}

.contact-summary-card strong {
    font-size: 22px;
    color: var(--pink-700);
    line-height: 1;
}

.message-board-list {
    display: grid;
    gap: 10px;
    max-height: 390px;
    overflow-y: auto;
    padding-right: 4px;
}

.message-board-item {
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--surface-soft);
    border: 1px solid var(--border-light);
}

.message-board-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
}

.message-board-item strong {
    color: var(--pink-700);
    font-size: 13px;
}

.message-board-item time {
    color: var(--text-muted);
    font-size: 10px;
    white-space: nowrap;
}

.message-board-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.7;
    overflow-wrap: anywhere;
}

.message-board-item .message-board-mood {
    display: inline-block;
    margin-top: 6px;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--surface-highlight-strong);
    color: var(--pink-600);
    font-size: 10px;
    letter-spacing: 0.5px;
}

.guestbook-form {
    display: grid;
    gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-light);
}

.field-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.compact-row > .field-group {
    flex: 1;
    min-width: 140px;
}

.field-group {
    display: grid;
    gap: 6px;
}

.field-group label {
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 0.5px;
}

.guestbook-form input,
.guestbook-form textarea {
    width: 100%;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    background: var(--surface-input);
    color: var(--text-primary);
    padding: 10px 12px;
    font: inherit;
    font-size: 12px;
    outline: none;
    transition: var(--transition);
}

.guestbook-form textarea {
    min-height: 80px;
    resize: vertical;
}

.guestbook-form input:focus,
.guestbook-form textarea:focus {
    border-color: var(--pink-400);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.guestbook-form button {
    justify-self: flex-start;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--pink-400), var(--pink-600));
    color: var(--white);
    padding: 10px 18px;
    font: inherit;
    font-size: 12px;
    cursor: pointer;
    box-shadow: 0 6px 18px var(--accent-shadow);
}

.guestbook-form button:disabled {
    opacity: 0.7;
    cursor: wait;
}

.friend-link-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--surface-soft);
    border: 1px solid var(--border-light);
    color: var(--pink-700);
    text-decoration: none;
    transition: var(--transition);
}

.friend-link-icon {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--accent-soft);
    font-size: 18px;
    overflow: hidden;
}

.friend-link-icon img {
    display: block;
    width: 20px;
    height: 20px;
    object-fit: contain;
}

/* 深色主题下品牌图标是黑墨，需要反相才看得清 */
body.dark-mode .friend-logo-invert {
    filter: invert(1) brightness(1.08);
}

.friend-link-item strong,
.friend-link-item small {
    display: block;
}

.friend-link-item small {
    color: var(--text-muted);
    font-size: 10px;
    margin-top: 2px;
}

.friend-link-item:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.friends-intro {
    margin: 0 0 18px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.8;
}

.friend-link-grid .friend-link-item {
    min-height: 78px;
    justify-content: center;
}

/* ---- 联系页：成长时间线与友链 ---- */
.growth-card {
    margin-top: 20px;
}

.growth-timeline {
    position: relative;
    display: grid;
    gap: 18px;
    margin: 8px 0 26px;
    padding-left: 8px;
}

.growth-timeline::before {
    content: '';
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 21px;
    width: 2px;
    background: var(--border-medium);
}

.growth-event {
    position: relative;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.growth-dot {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--surface-highlight);
    border: 1px solid var(--border-light);
}

.growth-event strong {
    color: var(--pink-700);
}

.growth-event p {
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 13px;
}

.growth-event time {
    display: block;
    margin-bottom: 2px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 1px;
}

.friend-links-tip {
    margin: -4px 0 12px;
    color: var(--text-muted);
    font-size: 12px;
}

.friend-links-intro {
    margin-bottom: 18px;
    color: var(--text-secondary);
}

.friend-link-groups {
    display: grid;
    gap: 20px;
}

.friend-link-group h3 {
    margin-bottom: 10px;
    color: var(--pink-700);
    font-size: 15px;
}

.friend-link-placeholder {
    border-style: dashed !important;
}

.friend-links h3 {
    color: var(--pink-700);
    font-size: 15px;
    margin-bottom: 10px;
}

.friend-link-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.friend-link-list a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--surface-soft);
    border: 1px solid var(--border-light);
    color: var(--pink-700);
    text-decoration: none;
    transition: var(--transition);
}

.friend-link-list a:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.friend-link-list span {
    color: var(--text-muted);
    font-size: 11px;
}

@media (max-width: 640px) {
    .hero-mood-wrap {
        margin-bottom: 150px;
    }

    .hero-mood-editor input {
        width: min(210px, 52vw);
    }

    .hero-life-cards {
        gap: 8px;
        margin-top: -28px;
    }

    .hero-life-card {
        min-width: 112px;
        padding: 8px 10px;
    }

    .friend-link-list {
        grid-template-columns: 1fr;
    }
}

/* 雪花主题下的交互状态统一使用蓝色强调色 */


body.snow-mode .filter-tag:hover {
    background: var(--accent-soft);
}




body.dark-mode.snow-mode .btn-outline:hover,
body.dark-mode.snow-mode .filter-tag:hover {
    background: var(--accent-hover);
}

/* 冬季时隐藏粉色樱花，避免色彩打架 */
body.winter-mode #sakuraCanvas {
    display: none;
}

/* 冬季 hero 背景兜底（无图时的渐变） */

/* ---- 侧边栏「一句话心情」 ---- */
.sidebar-quote {
    display: block;
    margin-bottom: 10px;
    font-size: 0.72rem;
    line-height: 1.6;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition), transform var(--transition);
}

.sidebar-quote:hover {
    color: var(--pink-500);
    transform: translateY(-1px);
}

@keyframes quotePop {
    0% { transform: scale(0.9); opacity: 0.3; }
    60% { transform: scale(1.06); opacity: 1; }
    100% { transform: scale(1); }
}

.sidebar-quote.quote-pop {
    animation: quotePop 0.45s ease;
}

/* ---- 会呼吸的细节：运行天数 + 访客计数 ---- */
.life-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.life-details span {
    transition: color var(--transition);
}

.life-details span:hover {
    color: var(--pink-500);
}

/* ---- 微交互：点击按压反馈（非 3D 倾斜元素） ---- */
.btn:active,
.period-btn:active,
.nav-item:active,
.back-to-top:active,
.filter-tag:active {
    transform: scale(0.94);
}

/* ---- 微交互：正文链接滑动下划线 ---- */
.post-content a {
    border-bottom: none;
    background-image: linear-gradient(90deg, var(--pink-400), var(--pink-600));
    background-repeat: no-repeat;
    background-position: left bottom;
    background-size: 0% 2px;
    padding-bottom: 1px;
    transition: background-size 0.3s ease, color var(--transition);
}

.post-content a:hover {
    color: var(--pink-700);
    background-size: 100% 2px;
}


/* =========================================================
   冬季主题深度集成 · 时段按钮两排布局 · 彩蛋按钮反馈
   ========================================================= */

/* ---- 时段切换按钮：两排布局 ---- */
.hero-nav-period {
    flex-direction: column;
    gap: 6px;
    align-items: flex-end;
}

.period-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

/* 樱花雨按钮点击反馈 */
.period-btn.burst {
    animation: periodBurst 0.5s ease;
}

@keyframes periodBurst {
    0% { transform: scale(1); }
    40% { transform: scale(1.4) rotate(10deg); }
    100% { transform: scale(1); }
}























/* ---- 四象限中的深色雪花主题 ---- */
body.dark-mode.winter-mode {
    --pink-50: #111a2d;
    --pink-100: #182641;
    --pink-200: #22385d;
    --pink-300: #526f9f;
    --pink-400: #7197d2;
    --pink-500: #86ace8;
    --pink-600: #a9c6f4;
    --pink-700: #c7dcff;
    --pink-800: #e0ecff;
    --bg-main: #111a2d;
    --bg-card: rgba(24, 38, 65, 0.9);
    --text-primary: #e5efff;
    --text-secondary: #b6c8e5;
    --text-muted: #8ea5c8;
    --border-light: rgba(150, 185, 235, 0.2);
    --border-medium: rgba(150, 185, 235, 0.35);
    --accent-soft: rgba(120, 170, 245, 0.18);
    --accent-hover: rgba(100, 150, 225, 0.34);
    --accent-glow: rgba(70, 130, 225, 0.42);
    --body-bg: #10192b;
    --body-gradient: linear-gradient(135deg, #111a2d 0%, #1a2b49 45%, #22385d 100%);
    --surface-soft: rgba(28, 47, 79, 0.68);
    --surface-card: rgba(24, 38, 65, 0.82);
    --surface-input: rgba(28, 47, 79, 0.82);
    --surface-highlight: rgba(49, 78, 125, 0.58);
    --surface-highlight-strong: rgba(35, 61, 105, 0.5);
    --accent-border: rgba(140, 180, 240, 0.3);
    --accent-shadow: rgba(70, 130, 225, 0.42);
    --accent-shadow-strong: rgba(70, 130, 225, 0.58);
    background-color: var(--body-bg);
    background-image: var(--body-gradient);
}












/* 没有背景图时，四个雪花时段仍保持可辨识的深色兜底 */
.hero-bg-layer.snow-morning,
.hero-bg-layer.snow-afternoon {
    background-image: var(--hero-fb-snow-morning);
}

.hero-bg-layer.snow-night {
    background-image: var(--hero-fb-snow-night);
}

.hero-bg-layer.sakura-morning {
    background-image: var(--hero-fb-sakura-morning);
}

.hero-bg-layer.sakura-afternoon {
    background-image: var(--hero-fb-sakura-afternoon);
}

.hero-bg-layer.sakura-night {
    background-image: var(--hero-fb-sakura-night);
}

/* =========================================================
   统一主题色板
   四套组合：樱花浅色、樱花深色、雪花浅色、雪花深色。
   组件只使用下面的语义变量，避免旧的局部颜色覆盖主题。
   ========================================================= */

body.dark-mode:not(.snow-mode) {
    --pink-50: #161325;
    --pink-100: #211a38;
    --pink-200: #32234b;
    --pink-300: #704d91;
    --pink-400: #a875c7;
    --pink-500: #c58de0;
    --pink-600: #d79be9;
    --pink-700: #ebc3f6;
    --pink-800: #f4ddfa;
    --bg-main: #161325;
    --bg-card: rgba(31, 25, 50, 0.92);
    --text-primary: #f3eafe;
    --text-secondary: #c9bddc;
    --text-muted: #9e91b9;
    --border-light: rgba(211, 184, 237, 0.22);
    --border-medium: rgba(211, 184, 237, 0.38);
    --shadow-sm: 0 2px 12px rgba(4, 2, 12, 0.22);
    --shadow-md: 0 6px 24px rgba(4, 2, 12, 0.34);
    --shadow-lg: 0 12px 40px rgba(4, 2, 12, 0.46);
    --accent-soft: rgba(183, 125, 220, 0.2);
    --accent-hover: rgba(188, 132, 225, 0.34);
    --accent-glow: rgba(188, 123, 230, 0.42);
    --body-bg: #161325;
    --body-gradient: linear-gradient(135deg, #161325 0%, #211a38 45%, #35234d 100%);
    --surface-soft: rgba(38, 30, 61, 0.84);
    --surface-card: rgba(31, 25, 50, 0.92);
    --surface-input: rgba(24, 20, 40, 0.9);
    --surface-highlight: rgba(117, 76, 153, 0.38);
    --surface-highlight-strong: rgba(91, 57, 125, 0.5);
    --accent-border: rgba(211, 184, 237, 0.3);
    --accent-shadow: rgba(126, 78, 164, 0.42);
    --accent-shadow-strong: rgba(126, 78, 164, 0.58);
    --surface-control: rgba(42, 33, 66, 0.86);
    --surface-control-hover: rgba(111, 76, 145, 0.72);
    --surface-control-active: #65428a;
    /* 气泡框底色（跟随主题，不用 --glass-*） */
    --bubble-bg: rgba(31, 25, 50, 0.94);
    --text-heading: #efcaff;
    --text-on-accent: #ffffff;
    --accent-gradient: linear-gradient(135deg, #a875c7, #6e4692);
    --accent-gradient-soft: linear-gradient(135deg, #8f63b2, #c58de0);
    --overlay-color: rgba(4, 2, 12, 0.65);
    --disabled-surface: #55505f;
    --banner-gradient: linear-gradient(135deg, #4a2a52 0%, #3a2340 30%, #522e5c 60%, #40264a 100%);
    --code-bg: rgba(20, 20, 38, 0.92);
    --code-inline-bg: rgba(255, 180, 200, 0.16);
    --code-keyword: #ff8fb1;
    --code-comment: #8f8598;
    --code-meta: #7fce9c;
    --code-template: #f0a868;
    --code-pseudo: #e0c070;
}

body.snow-mode:not(.dark-mode) {
    --pink-50: #f2f7ff;
    --pink-100: #e4eeff;
    --pink-200: #caddff;
    --pink-300: #abc9ff;
    --pink-400: #84adf7;
    --pink-500: #5e92e8;
    --pink-600: #4876c9;
    --pink-700: #3b5ea5;
    --pink-800: #2e4a85;
    --bg-main: #f2f7ff;
    --bg-card: rgba(255, 255, 255, 0.88);
    --text-primary: #2b3a55;
    --text-secondary: #5c708f;
    --text-muted: #7187a8;
    --border-light: rgba(110, 150, 210, 0.25);
    --border-medium: rgba(100, 140, 200, 0.45);
    --shadow-sm: 0 2px 12px rgba(90, 130, 200, 0.08);
    --shadow-md: 0 6px 24px rgba(90, 130, 200, 0.12);
    --shadow-lg: 0 12px 40px rgba(80, 120, 190, 0.15);
    --accent-soft: rgba(150, 190, 255, 0.18);
    --accent-hover: rgba(175, 210, 255, 0.34);
    --accent-glow: rgba(80, 140, 235, 0.3);
    --body-bg: #dbe8ff;
    --body-gradient: linear-gradient(135deg, #eef4ff 0%, #dbe8ff 30%, #c8dbff 60%, #e4efff 100%);
    --surface-soft: rgba(240, 247, 255, 0.7);
    --surface-card: rgba(248, 251, 255, 0.86);
    --surface-input: rgba(248, 251, 255, 0.94);
    --surface-highlight: rgba(195, 220, 255, 0.52);
    --surface-highlight-strong: rgba(155, 195, 250, 0.38);
    --accent-border: rgba(120, 165, 235, 0.34);
    --accent-shadow: rgba(70, 130, 225, 0.3);
    --accent-shadow-strong: rgba(70, 130, 225, 0.45);
    --surface-control: rgba(248, 251, 255, 0.88);
    --surface-control-hover: rgba(175, 210, 255, 0.46);
    --surface-control-active: #d9e8ff;
    /* 气泡框底色（跟随主题，不用 --glass-*） */
    --bubble-bg: rgba(248, 251, 255, 0.94);
    --text-heading: #315d9f;
    --text-on-accent: #ffffff;
    --accent-gradient: linear-gradient(135deg, #84adf7, #4876c9);
    --accent-gradient-soft: linear-gradient(135deg, #abc9ff, #5e92e8);
    --overlay-color: rgba(20, 40, 80, 0.45);
    --disabled-surface: #aebbd0;
    --banner-gradient: linear-gradient(135deg, #cfe1ff 0%, #e8f1ff 45%, #bcd5ff 100%);
    --code-bg: #f8fbff;
    --code-inline-bg: rgba(150, 190, 255, 0.3);
    --code-keyword: #315d9f;
    --code-comment: #8592a8;
    --code-meta: #2f7d5b;
    --code-template: #c06a1e;
    --code-pseudo: #8a6d1a;
}

body.dark-mode.snow-mode {
    --pink-50: #111a2d;
    --pink-100: #182641;
    --pink-200: #22385d;
    --pink-300: #526f9f;
    --pink-400: #7197d2;
    --pink-500: #86ace8;
    --pink-600: #a9c6f4;
    --pink-700: #c7dcff;
    --pink-800: #e0ecff;
    --bg-main: #111a2d;
    --bg-card: rgba(24, 38, 65, 0.94);
    --text-primary: #e5efff;
    --text-secondary: #b6c8e5;
    --text-muted: #8ea5c8;
    --border-light: rgba(150, 185, 235, 0.24);
    --border-medium: rgba(150, 185, 235, 0.38);
    --shadow-sm: 0 2px 12px rgba(3, 10, 24, 0.24);
    --shadow-md: 0 6px 24px rgba(3, 10, 24, 0.36);
    --shadow-lg: 0 12px 40px rgba(3, 10, 24, 0.5);
    --accent-soft: rgba(120, 170, 245, 0.22);
    --accent-hover: rgba(100, 150, 225, 0.38);
    --accent-glow: rgba(70, 130, 225, 0.44);
    --body-bg: #10192b;
    --body-gradient: linear-gradient(135deg, #111a2d 0%, #1a2b49 45%, #22385d 100%);
    --surface-soft: rgba(28, 47, 79, 0.78);
    --surface-card: rgba(24, 38, 65, 0.94);
    --surface-input: rgba(20, 33, 57, 0.94);
    --surface-highlight: rgba(49, 78, 125, 0.62);
    --surface-highlight-strong: rgba(35, 61, 105, 0.56);
    --accent-border: rgba(140, 180, 240, 0.32);
    --accent-shadow: rgba(70, 130, 225, 0.44);
    --accent-shadow-strong: rgba(70, 130, 225, 0.6);
    --surface-control: rgba(31, 52, 87, 0.9);
    --surface-control-hover: rgba(62, 93, 140, 0.78);
    --surface-control-active: #315789;
    /* 气泡框底色（跟随主题，不用 --glass-*） */
    --bubble-bg: rgba(24, 38, 65, 0.95);
    --text-heading: #d6e8ff;
    --text-on-accent: #ffffff;
    --accent-gradient: linear-gradient(135deg, #7197d2, #315789);
    --accent-gradient-soft: linear-gradient(135deg, #526f9f, #86ace8);
    --overlay-color: rgba(7, 18, 40, 0.65);
    --disabled-surface: #53627a;
    --banner-gradient: linear-gradient(135deg, #1b2c4a 0%, #2a3f66 45%, #16233c 100%);
    --code-bg: rgba(16, 26, 46, 0.92);
    --code-inline-bg: rgba(120, 170, 245, 0.18);
    --code-keyword: #a9c6f4;
    --code-comment: #8fa3c0;
    --code-meta: #7fd0a8;
    --code-template: #f0b070;
    --code-pseudo: #e8cf88;
}

/* 统一组件只读取当前色板，覆盖历史遗留的局部深色规则。 */
body .card,
body .stat-card {
    background: var(--bg-card) !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}

body .card h2 {
    color: var(--text-heading) !important;
    border-bottom-color: var(--border-light) !important;
}

body .card h2::after {
    background: var(--accent-gradient-soft) !important;
}

body .card p,
body .contact-info,
body .info-item {
    color: var(--text-secondary) !important;
}

body .stat-num {
    background: var(--accent-gradient-soft);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body .stat-label {
    color: var(--text-muted) !important;
}

body .music-item {
    background: var(--surface-card) !important;
    border-color: transparent;
    color: var(--text-primary);
}

body .music-item:hover {
    background: var(--surface-control-hover) !important;
    border-color: var(--pink-300);
}

body .music-item.active {
    background: var(--accent-gradient-soft) !important;
    border-color: var(--pink-400);
}

body .music-item-title {
    color: var(--text-heading) !important;
}

body .music-item-artist,
body .music-item-duration {
    color: var(--text-muted) !important;
}

body .post-filter-bar {
    background: var(--surface-soft) !important;
    border-color: var(--border-light) !important;
}

body .filter-tag {
    background: var(--surface-control) !important;
    border-color: var(--border-light) !important;
    color: var(--text-secondary) !important;
}

body .filter-tag:hover {
    background: var(--surface-control-hover) !important;
    border-color: var(--pink-400) !important;
    color: var(--text-heading) !important;
}

body .filter-tag.active {
    background: var(--surface-control-active) !important;
    border-color: var(--pink-400) !important;
    color: var(--text-heading) !important;
    box-shadow: 0 3px 10px var(--accent-shadow);
}

body .search-input,
body .pagination-btn,
body .contact-summary-card,
body .message-board-item {
    background: var(--surface-control) !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}

body .pagination-btn:hover:not(.disabled):not(.active) {
    background: var(--surface-control-hover) !important;
    border-color: var(--accent-border) !important;
    color: var(--pink-600) !important;
}

body .search-input:focus {
    background: var(--surface-input) !important;
    border-color: var(--pink-400) !important;
    box-shadow: 0 0 0 3px var(--accent-soft) !important;
}

body .pagination-btn.active,
body .btn-primary,
body .guestbook-form button {
    background: var(--accent-gradient) !important;
    color: var(--text-on-accent) !important;
}

body .nav-item {
    background: var(--surface-control) !important;
    border-color: var(--border-light) !important;
    color: var(--text-heading) !important;
}

body .nav-item:hover {
    background: var(--surface-control-hover) !important;
    border-color: var(--border-medium) !important;
}

body .nav-item.active {
    background: var(--accent-gradient) !important;
    border-color: transparent !important;
    color: var(--text-on-accent) !important;
}

body .blog-item {
    background: var(--surface-card) !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}

body .blog-item h3,
body .message-board-item strong,
body .contact-summary-card strong {
    color: var(--text-heading) !important;
}

body .blog-tag,
body .hobby-badge {
    background: var(--accent-soft) !important;
    border-color: var(--accent-border) !important;
    color: var(--text-heading) !important;
}

body .hobby-badge:hover {
    background: var(--accent-gradient) !important;
    color: var(--text-on-accent) !important;
}

body .sidebar,
body .message-board-panel,
body .friend-link-item {
    background: var(--surface-soft) !important;
    border-color: var(--border-light) !important;
}

body .sidebar-brand h3,
body .growth-event strong,
body .friend-link-item {
    color: var(--text-heading) !important;
}

body .sidebar-brand p,
body .sidebar-copy,
body footer,
body .subtitle {
    color: var(--text-muted) !important;
}

/* ============= 灯箱：翻页按钮与计数 ============= */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    line-height: 1;
    color: var(--text-on-accent);
    background: var(--glass-15);
    border: 1px solid var(--glass-25);
    border-radius: 50%;
    cursor: pointer;
    z-index: 101;
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.lightbox-nav:hover {
    background: var(--accent-soft);
    border-color: var(--accent-border);
    color: var(--pink-200);
    transform: translateY(-50%) scale(1.08);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-close {
    background: transparent;
    border: 0;
    line-height: 1;
}

.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--text-on-accent);
    background: var(--glass-15);
    border: 1px solid var(--glass-25);
    border-radius: 50px;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

/* ============= 阅读进度：角色头像跟随进度 ============= */
.reading-progress-avatar {
    position: absolute;
    top: 100%;
    left: 0;
    width: 28px;
    height: 28px;
    margin-top: 6px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--surface-card);
    background: var(--surface-card);
    box-shadow: 0 2px 10px var(--accent-shadow);
    opacity: 0;
    transform: translateX(-50%) scale(0.7);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
}

.reading-progress-avatar.visible {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.reading-progress-avatar img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

body.lightbox-open .reading-progress-avatar {
    opacity: 0;
}

/* ============= 触屏设备：悬停效果会“粘住”，按需关闭 ============= */
@media (hover: none) {
    .blog-item:hover,
    .gallery-item:hover,
    .stat-card:hover,
    .music-item:hover,
    .friend-link-item:hover,
    .message-board-item:hover,
    .growth-event:hover,
    .tilt-target:hover {
        transform: none !important;
    }

    .gallery-item .gallery-delete {
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-counter {
        bottom: 16px;
    }

    .reading-progress-avatar {
        width: 22px;
        height: 22px;
        margin-top: 4px;
    }
}

/* ============= 视图过渡：跟随系统减少动态效果 ============= */
@media (prefers-reduced-motion: reduce) {
    ::view-transition-group(*),
    ::view-transition-old(*),
    ::view-transition-new(*) {
        animation: none !important;
    }

    .reading-progress-avatar {
        transition: none;
    }
}