/* ══════════════════════════════════════════════════════════
   逸任平生 (YRPS) Blog — 前台双色调样式 v2.0 全修复版
   ══════════════════════════════════════════════════════════ */

/* ─────────────── 夜间主题变量（默认） ─────────────── */
:root {
    --c-bg:           #070b14;
    --c-bg-alt:       #0f1724;
    --c-bg-card:      rgba(15, 23, 36, 0.70);
    --c-surface:      rgba(255,255,255,0.05);
    --c-border:       rgba(255,255,255,0.10);
    --c-text:         #dde6f5;
    --c-text-muted:   #8ea8cc;
    --c-text-dim:     #4e6a8a;
    --c-primary:      #7f5af0;
    --c-primary-glow: rgba(127,90,240,0.40);
    --c-accent:       #2cb67d;
    --c-accent-glow:  rgba(44,182,125,0.35);
    --c-danger:       #ef4444;
    --c-gradient:     linear-gradient(135deg, #7f5af0, #2cb67d);
    --c-glass-bg:     rgba(12,20,40,0.60);
    --c-glass-border: rgba(127,170,255,0.14);
    --c-navbar-bg:    rgba(7,11,20,0.72);
    --c-navbar-brd:   rgba(255,255,255,0.08);

    --radius:      16px;
    --radius-sm:   10px;
    --radius-pill: 9999px;
    --shadow:      0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px var(--c-primary-glow);
    /* 楷体+无衬线回退 */
    --font-sans:   'KaiTi','楷体','STKaiti','Noto Serif SC','Noto Sans SC',system-ui,sans-serif;
    --font-serif:  'KaiTi','楷体','Noto Serif SC',Georgia,serif;
    --font-mono:   'JetBrains Mono','Consolas',monospace;
    --nav-h:       72px;
    --container-w: 1200px;
    --theme-transition: 0.5s cubic-bezier(0.23,1,0.32,1);
}

/* ─────────────── 昼间主题变量 ─────────────── */
[data-theme="day"] {
    --c-bg:           #d6eaff;
    --c-bg-alt:       #e8f4ff;
    --c-bg-card:      rgba(255,255,255,0.78);
    --c-surface:      rgba(30,80,160,0.07);
    --c-border:       rgba(30,100,180,0.16);
    --c-text:         #0f2040;
    --c-text-muted:   #2e5080;
    --c-text-dim:     #5a7a9a;
    --c-primary:      #3b5bdb;
    --c-primary-glow: rgba(59,91,219,0.32);
    --c-accent:       #0aab6a;
    --c-accent-glow:  rgba(10,171,106,0.28);
    --c-gradient:     linear-gradient(135deg, #3b5bdb, #0aab6a);
    --c-glass-bg:     rgba(240,248,255,0.72);
    --c-glass-border: rgba(60,130,220,0.22);
    --c-navbar-bg:    rgba(214,234,255,0.80);
    --c-navbar-brd:   rgba(60,100,200,0.18);
    --shadow:         0 8px 32px rgba(0,50,120,0.18);
}

/* ─────────────── 主题过渡（仅关键元素）─────────────── */
*, *::before, *::after {
    margin: 0; padding: 0; box-sizing: border-box;
}
body, .navbar, .nav-inner, .glass-card, .btn, .footer, .footer-body,
.section, .post-body, .toc-wrapper, .nav-link, .hero, .hero-content,
.card-badge, .card-title, .card-summary, .card-meta,
.post-hero, .post-hero-overlay, .comment-section,
.search-input, .theme-toggle, .floating-clock, .back-to-top {
    transition:
        background-color var(--theme-transition),
        border-color     var(--theme-transition),
        color            var(--theme-transition);
}

/* ⚠️ 修复关键：仅排除canvas和wave，不再排除scroll-reveal */
canvas, .clock-hand, .wave-use {
    transition: none !important;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html { overflow-x: hidden; }
body {
    font-family: var(--font-sans);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

/* ─── Layout ─── */
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; z-index: 2; }

/* ══════════════════════════════════════════
   ⚠️ 修复关键：main-content需要z-index高于canvas
   ══════════════════════════════════════════ */
.main-content {
    position: relative;
    z-index: 2;
}

/* ══════════════════════════════════════════
   背景层：星空Canvas（夜间）
   ══════════════════════════════════════════ */
.starfield-canvas {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0; pointer-events: none;
    opacity: 1;
    transition: opacity var(--theme-transition);
}
[data-theme="day"] .starfield-canvas { opacity: 0; }

/* ══════════════════════════════════════════
   背景层：大海（昼间）
   ══════════════════════════════════════════ */
.ocean-bg {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    opacity: 0;
    background:
        linear-gradient(180deg,
            #b8d8f8 0%,
            #7ec8f0 30%,
            #4ab0e8 60%,
            #c8e8ff 100%
        );
    transition: opacity var(--theme-transition);
}
[data-theme="day"] .ocean-bg { opacity: 1; }

[data-theme="day"] .ocean-bg {
    background:
        linear-gradient(180deg, rgba(180,220,255,0.5) 0%, rgba(60,130,200,0.15) 100%),
        url('/static/img/ocean-hero.jpg') center/cover no-repeat;
}

.ocean-waves-svg {
    position: fixed; bottom: 0; left: 0; width: 100%;
    z-index: 1; pointer-events: none;
    opacity: 0; transition: opacity var(--theme-transition);
}
[data-theme="day"] .ocean-waves-svg { opacity: 1; }

/* ══════════════════════════════════════════
   导航栏
   ══════════════════════════════════════════ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    height: var(--nav-h);
    background: var(--c-navbar-bg);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--c-navbar-brd);
    transition:
        background var(--theme-transition),
        border-color var(--theme-transition),
        box-shadow  var(--theme-transition),
        transform 0.3s ease;
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.2); }
.navbar.hidden   { transform: translateY(-100%); }

.nav-inner {
    max-width: var(--container-w); margin: 0 auto;
    padding: 0 24px; height: 100%;
    display: flex; align-items: center; gap: 16px;
}

.nav-logo { display: flex; flex-direction: column; flex-shrink: 0; }
.logo-text {
    font-size: 20px; font-weight: 700; letter-spacing: 2px;
    font-family: var(--font-serif);
    background: var(--c-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; line-height: 1.2;
}
.logo-sub { font-size: 10px; color: var(--c-text-dim); letter-spacing: 3px; text-transform: uppercase; }

.nav-links {
    display: flex; align-items: center; gap: 4px;
    margin-left: auto; position: relative;
}
.nav-link {
    padding: 8px 18px; border-radius: var(--radius-pill);
    font-size: 14px; font-weight: 500; color: var(--c-text-muted);
    transition: color 0.25s; position: relative; z-index: 1;
}
.nav-link:hover, .nav-link.active { color: var(--c-text); }
.nav-link--admin { color: var(--c-primary); }

.nav-indicator {
    position: absolute; height: 36px; border-radius: var(--radius-pill);
    background: var(--c-surface); border: 1px solid var(--c-glass-border);
    transition:
        left  0.5s cubic-bezier(0.23,1,0.32,1),
        width 0.5s cubic-bezier(0.23,1,0.32,1);
    z-index: 0; pointer-events: none;
    top: 50%; transform: translateY(-50%);
}

/* 搜索框 — 修复：GO!动效保留，增加submit提示 */
.nav-actions { display: flex; align-items: center; gap: 10px; }
.search-box  { position: relative; display: flex; align-items: center; }
.search-toggle {
    width: 42px; height: 42px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--c-text-muted); overflow: hidden; position: relative;
    transition: color 0.25s, background 0.25s;
    z-index: 2;
}
.search-toggle:hover { background: var(--c-surface); color: var(--c-primary); }

.search-icon-search, .search-icon-go {
    position: absolute; display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100%;
    transition: transform 0.4s cubic-bezier(0.23,1,0.32,1), opacity 0.3s;
}
.search-icon-go {
    font-size: 11px; font-weight: 800; letter-spacing: 1px;
    color: var(--c-primary);
    transform: translateY(120%); opacity: 0;
}
.search-box.open .search-icon-search { transform: translateY(-120%); opacity: 0; }
.search-box.open .search-icon-go {
    transform: translateY(0); opacity: 1;
    animation: goWiggle 0.6s ease;
}
@keyframes goWiggle {
    0%,100% { rotate: 0deg; }
    30%  { rotate: -10deg; }
    70%  { rotate:  10deg; }
}

.search-form {
    position: absolute; right: 0; top: 50%; transform: translateY(-50%);
    width: 0; overflow: hidden; opacity: 0;
    transition: width 0.45s cubic-bezier(0.23,1,0.32,1), opacity 0.3s;
    z-index: 1;
}
.search-box.open .search-form { width: 260px; opacity: 1; }
.search-input {
    width: 100%; padding: 10px 16px 10px 20px;
    border-radius: var(--radius-pill);
    background: var(--c-bg-alt); border: 1px solid var(--c-border);
    color: var(--c-text); outline: none; font-size: 14px;
    padding-right: 48px; /* 留空间给toggle按钮 */
}
.search-input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-glow); }

/* 昼夜切换 */
.theme-toggle {
    width: 42px; height: 42px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; position: relative; overflow: hidden;
    transition: background 0.25s, transform 0.4s;
}
.theme-toggle:hover { background: var(--c-surface); transform: rotate(20deg) scale(1.1); }
.theme-icon { position: absolute; transition: transform 0.45s cubic-bezier(0.23,1,0.32,1), opacity 0.35s; }
.theme-icon--night { transform: scale(1) rotate(0deg); opacity: 1; }
.theme-icon--day   { transform: scale(0) rotate(-120deg); opacity: 0; }
[data-theme="day"] .theme-icon--night { transform: scale(0) rotate(120deg); opacity: 0; }
[data-theme="day"] .theme-icon--day   { transform: scale(1) rotate(0deg); opacity: 1; }

/* Hamburger */
.nav-hamburger {
    display: none; width: 40px; height: 40px;
    flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-hamburger span {
    width: 22px; height: 2px;
    background: var(--c-text); border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: var(--nav-h); left: 0; right: 0;
        flex-direction: column; gap: 0; padding: 16px;
        background: var(--c-navbar-bg);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--c-navbar-brd);
        transform: translateY(-120%); opacity: 0;
        transition: transform 0.4s cubic-bezier(0.23,1,0.32,1), opacity 0.3s;
        z-index: 999;
    }
    .nav-links.open { transform: translateY(0); opacity: 1; }
    .nav-indicator { display: none; }
    .nav-hamburger { display: flex; }
    .nav-link { padding: 14px 20px; width: 100%; border-radius: var(--radius-sm); }
}

/* ══════════════════════════════════════════
   Hero 英雄区
   ══════════════════════════════════════════ */
.hero {
    min-height: 100vh; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 120px 24px 80px; text-align: center;
    position: relative; z-index: 2;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}
.hero-bg-scale {
    position: absolute; inset: 0;
    transform-origin: center center;
    will-change: transform;
    pointer-events: none;
}
.hero-content { max-width: 700px; position: relative; z-index: 3; }

.hero-title { margin-bottom: 20px; }
.hero-title-zh {
    display: block;
    font-size: clamp(52px, 9vw, 90px);
    font-weight: 700;
    font-family: var(--font-serif);
    letter-spacing: 6px;
    background: linear-gradient(135deg, #a78bfa 0%, #34d399 50%, #60a5fa 100%);
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; line-height: 1.2;
    /* 夜间加入辉光 */
    filter: drop-shadow(0 0 20px rgba(127,90,240,0.3));
}
[data-theme="day"] .hero-title-zh {
    filter: drop-shadow(0 2px 8px rgba(59,91,219,0.2));
    background: linear-gradient(135deg, #3b5bdb 0%, #0aab6a 50%, #3b5bdb 100%);
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
    -webkit-background-clip: text; background-clip: text;
}
.hero-title-en {
    display: block; font-size: clamp(13px, 2vw, 17px); font-weight: 300;
    color: var(--c-text-dim); letter-spacing: 8px; text-transform: uppercase; margin-top: 10px;
}
@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    font-size: clamp(15px, 2.2vw, 20px); color: var(--c-text-muted);
    min-height: 1.7em; margin-bottom: 32px;
    border-right: 2px solid var(--c-primary);
    display: inline-block; padding-right: 4px;
    animation: cursorBlink 1s step-end infinite;
}
@keyframes cursorBlink { 0%,100% { border-color: var(--c-primary); } 50% { border-color: transparent; } }

.hero-stats { display: flex; gap: 48px; justify-content: center; margin-bottom: 40px; }
.hero-stat   { display: flex; flex-direction: column; align-items: center; }
.hero-stat-num {
    font-size: 36px; font-weight: 700;
    background: var(--c-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-stat-label { font-size: 13px; color: var(--c-text-dim); }

.hero-scroll-hint {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    animation: scrollHintFloat 2.2s ease-in-out infinite;
}
@keyframes scrollHintFloat {
    0%,100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(12px); }
}
.scroll-mouse {
    width: 26px; height: 42px; border-radius: 13px;
    border: 2px solid rgba(127,90,240,0.5); position: relative;
}
.scroll-wheel {
    width: 4px; height: 8px; border-radius: 2px;
    background: var(--c-primary);
    position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    animation: scrollWheel 1.8s ease-in-out infinite;
}
@keyframes scrollWheel { 0% { opacity:1; top:8px; } 100% { opacity:0; top:24px; } }

/* ══════════════════════════════════════════
   玻璃卡片
   ══════════════════════════════════════════ */
.glass-card {
    background: var(--c-glass-bg);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid var(--c-glass-border);
    border-radius: var(--radius);
    transition:
        transform 0.35s cubic-bezier(0.23,1,0.32,1),
        box-shadow 0.35s,
        border-color 0.35s;
}
.glass-card:hover {
    border-color: rgba(127,90,240,0.4);
    box-shadow: 0 16px 48px rgba(0,0,0,0.3), 0 0 24px var(--c-primary-glow);
}
[data-theme="day"] .glass-card:hover {
    border-color: rgba(59,91,219,0.35);
    box-shadow: 0 12px 40px rgba(0,50,120,0.14), 0 0 20px var(--c-primary-glow);
}

/* ══════════════════════════════════════════
   水流波纹按钮组
   ══════════════════════════════════════════ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-pill);
    font-size: 14px; font-weight: 600; letter-spacing: 0.5px;
    position: relative; overflow: hidden;
}
.btn::before, .btn::after {
    content: ''; position: absolute;
    width: 210%; aspect-ratio: 1;
    border-radius: 40%;
    bottom: -80%; left: -55%;
    opacity: 0.18;
    transition: transform 4s cubic-bezier(0.15,0.85,0.4,1), opacity 1.5s;
    pointer-events: none;
}
.btn::after  { opacity: 0.1; transform: translateY(0) rotate(8deg); }
.btn:hover::before { transform: translateY(-60%) rotate(170deg); opacity: 0.22; }
.btn:hover::after  { transform: translateY(-55%) rotate(190deg); opacity: 0.14; }

.btn-primary {
    background: var(--c-primary); color: #fff;
    box-shadow: 0 4px 18px var(--c-primary-glow);
}
.btn-primary::before, .btn-primary::after { background: rgba(255,255,255,1); }
.btn-primary:hover { box-shadow: 0 6px 28px var(--c-primary-glow); transform: translateY(-2px); }

.btn-accent {
    background: var(--c-accent); color: #fff;
    box-shadow: 0 4px 18px var(--c-accent-glow);
}
.btn-accent::before, .btn-accent::after { background: rgba(255,255,255,1); }
.btn-accent:hover { box-shadow: 0 6px 28px var(--c-accent-glow); transform: translateY(-2px); }

.btn-outline {
    background: transparent; color: var(--c-text);
    border: 1.5px solid var(--c-border);
}
.btn-outline::before, .btn-outline::after { background: var(--c-primary); }
.btn-outline:hover { border-color: var(--c-primary); color: var(--c-primary); }

.btn-ghost {
    background: rgba(127,90,240,0.08); color: var(--c-primary);
    border: 1.5px solid rgba(127,90,240,0.2);
}
.btn-ghost::before, .btn-ghost::after { background: var(--c-primary); }

.btn > * { position: relative; z-index: 1; }
.btn span { position: relative; z-index: 1; }
.btn-sm  { padding: 8px 18px; font-size: 13px; }
.btn-lg  { padding: 14px 32px; font-size: 15px; }
.btn-xl  { padding: 16px 40px; font-size: 16px; }
.btn-block { width: 100%; }

/* ══════════════════════════════════════════
   Section Headers
   ══════════════════════════════════════════ */
.section-header {
    display: flex; align-items: baseline; justify-content: space-between;
    margin-bottom: 48px; flex-wrap: wrap; gap: 12px;
}
.section-title {
    font-size: 28px; font-weight: 700;
    font-family: var(--font-serif);
    display: flex; align-items: center; gap: 12px;
    color: var(--c-text);
}
.section-icon {
    background: var(--c-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-desc { color: var(--c-text-muted); font-size: 15px; }
.section-more { color: var(--c-primary); font-size: 14px; font-weight: 500; }
.section-more:hover { text-decoration: underline; }

/* ══════════════════════════════════════════
   文章卡片 — 修复：添加 z-index 确保可见
   ══════════════════════════════════════════ */
.featured-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px;
}
.featured-card {
    display: flex; flex-direction: column; overflow: hidden;
    position: relative; z-index: 3;
}
.featured-card-cover { height: 220px; overflow: hidden; position: relative; }
.featured-card-cover img { width:100%; height:100%; object-fit:cover; transition: transform 0.5s; }
.featured-card:hover .featured-card-cover img { transform: scale(1.06); }

.cover-placeholder {
    width:100%; height:100%;
    background: linear-gradient(135deg,
        hsl(var(--hue,260) 50% 25%),
        hsl(calc(var(--hue,260) + 60) 45% 18%));
    position: relative;
}
[data-theme="day"] .cover-placeholder {
    background: linear-gradient(135deg,
        hsl(var(--hue,210) 65% 62%),
        hsl(calc(var(--hue,210) + 40) 60% 52%));
}
.cover-placeholder::after {
    content:''; position:absolute; inset:0;
    background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.featured-card-body { padding: 20px 24px 24px; flex:1; display:flex; flex-direction:column; }
.card-title  { font-size: 17px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; color: var(--c-text); font-family: var(--font-serif); }
.card-summary {
    font-size: 14px; color: var(--c-text-muted); line-height: 1.6; flex:1;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta { display:flex; gap:8px; font-size:12px; color:var(--c-text-dim); margin-top:12px; }

.card-badge {
    position: absolute; top:16px; left:16px; z-index:2;
    padding: 4px 14px; border-radius: var(--radius-pill);
    font-size: 12px; font-weight: 600;
    background: var(--badge-color, var(--c-primary)); color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.card-badge-sm {
    display: inline-block; padding: 2px 10px; border-radius: var(--radius-pill);
    font-size: 11px; font-weight: 600; margin-bottom: 8px;
    background: color-mix(in srgb, var(--badge-color, var(--c-primary)) 18%, transparent);
    color: var(--badge-color, var(--c-primary));
}

.featured-card-glow {
    position:absolute; inset:-1px; border-radius: var(--radius);
    background: var(--c-gradient); opacity:0; z-index:-1;
    transition: opacity 0.4s; filter: blur(20px);
}
.featured-card:hover .featured-card-glow { opacity: 0.15; }

.posts-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px;
}
.post-card { display:flex; flex-direction:column; overflow:hidden; position: relative; z-index: 3; }
.post-card-cover { height:180px; overflow:hidden; }
.post-card-cover img { width:100%; height:100%; object-fit:cover; transition: transform 0.5s; }
.post-card:hover .post-card-cover img { transform: scale(1.06); }
.post-card-body { padding:18px 20px 20px; flex:1; display:flex; flex-direction:column; }
.card-tags { display:flex; gap:6px; flex-wrap:wrap; margin-top:10px; }
.tag-pill {
    padding: 3px 10px; border-radius: var(--radius-pill);
    font-size: 11px; background: var(--c-surface); color: var(--c-text-muted);
    border: 1px solid var(--c-border);
    transition: color 0.25s, border-color 0.25s;
}
.tag-pill:hover { color: var(--c-primary); border-color: var(--c-primary); }

/* 分类卡片 */
.categories-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px;
}
.category-card { padding: 24px; position:relative; overflow:hidden; z-index: 3; }
.category-card h3 { font-size: 18px; margin-bottom: 6px; color: var(--c-text); font-family: var(--font-serif); }
.category-card p  { font-size: 13px; color: var(--c-text-muted); }
.category-count   { font-size: 12px; color: var(--c-text-dim); margin-top: 8px; display:inline-block; }
.category-color {
    position:absolute; top:-40px; right:-40px;
    width:110px; height:110px; border-radius:50%;
    opacity:0.18; filter:blur(30px);
}

/* ══════════════════════════════════════════
   滚动渐入 — 修复：恢复opacity/transform动画
   ══════════════════════════════════════════ */
.scroll-reveal {
    opacity: 0;
    transform: translateY(36px) scale(0.97);
    /* 恢复过渡动画（不再被transition:none覆盖） */
    transition:
        opacity  0.65s cubic-bezier(0.23,1,0.32,1),
        transform 0.65s cubic-bezier(0.23,1,0.32,1) !important;
}
.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* 波浪分隔 */
.wave-divider { position:relative; z-index:2; margin:-1px 0; }
.wave-divider svg { display:block; width:100%; height:auto; }

/* ══════════════════════════════════════════
   页面头
   ══════════════════════════════════════════ */
.page-header { padding:140px 0 60px; text-align:center; position:relative; z-index:2; }
.page-title  { font-size:38px; font-weight:700; margin-bottom:8px; color:var(--c-text); font-family: var(--font-serif); }
.page-desc   { color:var(--c-text-muted); font-size:16px; }
.page-badge  {
    display:inline-block; padding:4px 16px; border-radius:var(--radius-pill);
    font-size:14px; background:var(--badge-color,var(--c-primary)); color:#fff;
    margin-right:8px; vertical-align:middle;
}
.pagination { display:flex; justify-content:center; gap:6px; margin-top:48px; flex-wrap:wrap; }
.page-link {
    padding:8px 16px; border-radius:var(--radius-sm);
    background:var(--c-surface); border:1px solid var(--c-border);
    font-size:14px; color:var(--c-text);
}
.page-link:hover, .page-link.active { background:var(--c-primary); color:#fff; border-color:var(--c-primary); }
.page-dots { padding:8px; color:var(--c-text-dim); }

.empty-state { text-align:center; padding:80px 20px; }
.empty-icon  { font-size:48px; margin-bottom:16px; }
.empty-state h3 { font-size:22px; margin-bottom:8px; color:var(--c-text); }
.empty-state p  { color:var(--c-text-muted); margin-bottom:24px; }

/* ══════════════════════════════════════════
   文章详情
   ══════════════════════════════════════════ */
.post-hero {
    position:relative; z-index:2; padding:180px 0 120px;
    background:var(--cover,none) center/cover no-repeat;
    min-height:560px; display:flex; align-items:flex-end;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    transition: clip-path 0.15s ease-out;
    overflow:hidden;
}
.post-hero .hero-bg-scale {
    position:absolute; inset:0;
    background:inherit; background-size:cover; background-position:center;
    transform-origin:center center;
    transition: transform 0.1s ease-out;
    z-index:-1;
}
.post-hero-overlay {
    position:absolute; inset:0;
    background:linear-gradient(180deg,
        rgba(20,28,65,0.4) 0%,
        rgba(18,24,60,0.75) 50%,
        rgba(15,20,55,0.95) 100%);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    z-index:0;
}
[data-theme="day"] .post-hero-overlay {
    background:linear-gradient(180deg, rgba(190,220,255,0.3) 0%, rgba(214,234,255,0.94) 100%);
}
.post-hero-content { position:relative; z-index:1; }
.post-hero-content .card-badge {
    position: relative; top: auto; left: auto;
    display: inline-block; margin-bottom: 12px;
}
.post-title { font-size:clamp(26px,5vw,42px); font-weight:700; line-height:1.3; margin:0 0 16px; color:var(--c-text); font-family: var(--font-serif); }
.post-meta-row {
    display:flex; flex-wrap:wrap; gap:16px;
    font-size:14px; color:var(--c-text-muted); align-items:center;
}
.post-meta-row svg { vertical-align:-2px; margin-right:4px; }
.post-tags { display:flex; gap:8px; margin-top:16px; flex-wrap:wrap; }

.post-layout {
    max-width:var(--container-w); margin:0 auto; padding:48px 24px;
    display:grid; grid-template-columns:1fr minmax(0,220px); gap:48px;
    position:relative; z-index:2;
}
.post-content-area .post-body {
    background: var(--c-bg-card);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--c-glass-border);
    border-radius: var(--radius);
    padding: 40px 36px;
    box-shadow: var(--shadow);
}
@media (max-width:960px) {
    .post-layout { grid-template-columns:1fr; }
    .post-toc-sidebar { display:none; }
}
.post-toc-sidebar { order:2; }
.toc-wrapper { position:sticky; top:calc(var(--nav-h) + 24px); padding:20px; }
.toc-title { font-size:14px; font-weight:600; margin-bottom:12px; color:var(--c-text-muted); }
.toc-content { font-size:13px; line-height:1.8; }
.toc-content ul { list-style:none; padding-left:0; }
.toc-content li li { padding-left:16px; }
.toc-content a { color:var(--c-text-dim); display:block; padding:2px 0; transition:color 0.2s; }
.toc-content a:hover { color:var(--c-primary); }

.post-content-area { order:1; min-width:0; }
.post-body { line-height:1.9; font-size:16px; }

.markdown-body h1,.markdown-body h2,.markdown-body h3,
.markdown-body h4,.markdown-body h5,.markdown-body h6 {
    font-weight:700; line-height:1.4; margin:2em 0 0.8em; color:var(--c-text);
    font-family: var(--font-serif);
}
.markdown-body h1 { font-size:28px; }
.markdown-body h2 { font-size:24px; padding-bottom:8px; border-bottom:1px solid var(--c-border); }
.markdown-body h3 { font-size:20px; }
.markdown-body p  { margin:0.8em 0; color:var(--c-text); }
.markdown-body a  { color:var(--c-primary); text-decoration:underline; text-underline-offset:3px; }
.markdown-body a:hover { color:var(--c-accent); }
.markdown-body strong { color:var(--c-text); }
.markdown-body blockquote {
    border-left:4px solid var(--c-primary); margin:1.5em 0;
    padding:12px 20px; background:var(--c-surface);
    border-radius:0 var(--radius-sm) var(--radius-sm) 0; color:var(--c-text-muted);
}
.markdown-body ul,.markdown-body ol { padding-left:24px; margin:0.8em 0; }
.markdown-body li { margin:0.3em 0; color:var(--c-text); }
.markdown-body img { border-radius:var(--radius-sm); margin:1.5em 0; box-shadow:var(--shadow); }
.markdown-body code {
    font-family:var(--font-mono);
    background:rgba(127,90,240,0.12); color:#c4b5fd;
    padding:2px 7px; border-radius:5px; font-size:0.9em;
}
[data-theme="day"] .markdown-body code {
    background:rgba(59,91,219,0.10); color:var(--c-primary);
}
.markdown-body pre {
    background:#0d1120 !important; border-radius:var(--radius-sm);
    padding:20px; margin:1.5em 0; overflow-x:auto;
    border:1px solid rgba(127,90,240,0.2);
}
.markdown-body pre code { background:none; padding:0; color:inherit; font-size:14px; }
.markdown-body .table-wrap { overflow-x:auto; margin:1.5em 0; -webkit-overflow-scrolling:touch; }
.markdown-body table { width:100%; border-collapse:collapse; margin:0; min-width:480px; }
.markdown-body th,.markdown-body td { padding:10px 14px; border:1px solid var(--c-border); text-align:left; color:var(--c-text); white-space:nowrap; }
.markdown-body th { background:var(--c-surface); font-weight:600; }
.markdown-body hr { border:none; height:1px; background:var(--c-border); margin:2em 0; }

/* 上下篇 */
.post-nav-adjacent { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:48px 0; }
@media (max-width:600px) { .post-nav-adjacent { grid-template-columns:1fr; } }
.nav-adj-item  { padding:20px; display:flex; flex-direction:column; gap:6px; }
.nav-adj-label { font-size:12px; color:var(--c-text-dim); }
.nav-adj-title { font-size:15px; font-weight:600; color:var(--c-text); }
.nav-adj-next  { text-align:right; }

/* ══════════════════════════════════════════
   评论区
   ══════════════════════════════════════════ */
.comment-section      { margin-top:48px; }
.comment-section-title { font-size:22px; margin-bottom:24px; display:flex; align-items:center; gap:10px; color:var(--c-text); font-family: var(--font-serif); }
.comment-count-badge {
    padding:2px 10px; border-radius:var(--radius-pill);
    background:var(--c-surface); font-size:13px; color:var(--c-text-muted);
}
.comment-form { padding:24px; margin-bottom:24px; }
.comment-form-row { display:flex; gap:16px; }
.comment-avatar-placeholder {
    width:44px; height:44px; border-radius:50%; flex-shrink:0;
    background:var(--c-surface); display:flex; align-items:center;
    justify-content:center; font-size:18px; color:var(--c-text-dim);
}
.comment-form-fields { flex:1; display:flex; flex-direction:column; gap:12px; }
.comment-input,.comment-textarea {
    width:100%; padding:12px 16px; border-radius:var(--radius-sm);
    background:var(--c-bg); border:1px solid var(--c-border);
    color:var(--c-text); outline:none; transition:border-color 0.25s; resize:vertical;
}
.comment-input:focus,.comment-textarea:focus { border-color:var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-glow); }
.comment-username-locked {
    padding:10px 16px; border-radius:var(--radius-sm);
    background:rgba(127,90,240,0.08); border:1px solid rgba(127,90,240,0.2);
    font-size:14px; color:var(--c-text);
}
.comment-username-locked small { color:var(--c-text-dim); }
.comment-form-actions { display:flex; justify-content:space-between; align-items:center; }
.comment-char-count { font-size:12px; color:var(--c-text-dim); }
.comment-list   { display:flex; flex-direction:column; gap:16px; }
.comment-item   { padding:20px; }
.comment-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.comment-user   { display:flex; align-items:center; gap:10px; }
.comment-avatar {
    width:36px; height:36px; border-radius:50%;
    background:var(--c-surface); display:flex; align-items:center;
    justify-content:center; font-weight:600; font-size:14px; color:var(--c-text);
}
.avatar-admin {
    background:var(--c-gradient); color:#fff;
    box-shadow:0 0 12px var(--c-primary-glow);
    animation:adminGlow 3s ease-in-out infinite;
}
@keyframes adminGlow {
    0%,100% { box-shadow:0 0 12px var(--c-primary-glow); }
    50%      { box-shadow:0 0 24px var(--c-primary-glow), 0 0 40px var(--c-accent-glow); }
}
.avatar-sm  { width:28px; height:28px; font-size:12px; }
.comment-name { font-weight:600; font-size:14px; color:var(--c-text); }
.comment-device {
    font-size:11px; color:var(--c-text-dim); font-weight:400;
    margin-left:6px; opacity:0.7;
}
.admin-badge {
    padding:2px 8px; border-radius:var(--radius-pill);
    font-size:10px; font-weight:700;
    background:var(--c-gradient); color:#fff;
    box-shadow:0 0 8px var(--c-primary-glow);
}
.comment-time { font-size:12px; color:var(--c-text-dim); }
.comment-body { font-size:15px; line-height:1.7; color:var(--c-text); }
.comment-actions { margin-top:8px; }
.comment-reply-btn {
    font-size:12px; color:var(--c-text-dim); padding:4px 8px;
    border-radius:var(--radius-sm); transition:color 0.2s;
}
.comment-reply-btn:hover { color:var(--c-primary); }
.comment-admin { border-color:rgba(127,90,240,0.25); }
.comment-reply {
    margin-top:12px; margin-left:46px; padding:14px;
    background:var(--c-surface); border-radius:var(--radius-sm);
    border-left:3px solid var(--c-border);
}
.comment-reply.comment-admin { border-left-color:var(--c-primary); }
.reply-form-slot { margin-top:12px; margin-left:46px; }
.comment-empty { text-align:center; padding:40px; color:var(--c-text-dim); }

/* 相关文章 */
.related-section { margin-top:48px; }
.related-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:16px; margin-top:20px; }
.related-card { padding:20px; }
.related-card h4 { font-size:15px; margin-bottom:6px; color:var(--c-text); font-family: var(--font-serif); }

/* ══════════════════════════════════════════
   关于页 — 修复：biz-card默认宽度
   ══════════════════════════════════════════ */
.about-layout { display:grid; grid-template-columns:300px 1fr; gap:32px; }
@media (max-width:768px) { .about-layout { grid-template-columns:1fr; } }
.about-card { padding:40px 24px; text-align:center; }
.about-avatar-wrap { margin-bottom:20px; }
.about-avatar {
    width:100px; height:100px; border-radius:50%; margin:0 auto;
    background:var(--c-gradient); display:flex; align-items:center;
    justify-content:center; font-size:40px; font-weight:700; color:#fff;
    box-shadow:0 0 30px var(--c-primary-glow);
    overflow:hidden;
}
.about-avatar img { width:100%; height:100%; object-fit:cover; }
.about-name     { font-size:24px; font-weight:700; color:var(--c-text); font-family: var(--font-serif); }
.about-subtitle { font-size:14px; color:var(--c-text-muted); margin-top:4px; }
.about-social   { display:flex; justify-content:center; gap:12px; margin-top:20px; }
.social-link {
    width:40px; height:40px; border-radius:50%;
    background:var(--c-surface); border:1px solid var(--c-border);
    display:flex; align-items:center; justify-content:center;
    color:var(--c-text-muted); transition:all 0.25s;
}
.social-link:hover { color:var(--c-primary); border-color:var(--c-primary); transform:translateY(-2px); }
.about-content { padding:32px; }

.skill-bars { display:flex; flex-direction:column; gap:16px; margin:16px 0; }
.skill-header { display:flex; justify-content:space-between; font-size:14px; margin-bottom:6px; color:var(--c-text); }
.skill-bar { height:8px; border-radius:4px; background:var(--c-surface); overflow:hidden; }
.skill-fill {
    height:100%; border-radius:4px; width:0;
    background:var(--color,var(--c-primary));
    transition:width 1.6s cubic-bezier(0.23,1,0.32,1) !important;
}
.skill-fill.animated { width:var(--fill); }

/* ══════════════════════════════════════════
   旋转弹出名片 — 修复：默认展示，不折叠到0宽
   ══════════════════════════════════════════ */
.biz-card-trigger { position: relative; display: inline-block; }

.biz-card {
    /* 修复：改为auto而非0，内容默认可见 */
    width: auto;
    min-width: 300px;
    height: 100px; border-radius: 16px; overflow: hidden;
    background: var(--c-glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--c-glass-border);
    display: flex; align-items: center; position: relative;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    transition: box-shadow 0.3s, transform 0.3s;
}
.biz-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 20px var(--c-primary-glow);
    transform: translateY(-2px);
}
.biz-card-avatar {
    width: 70px; height: 70px; border-radius: 50%; flex-shrink: 0;
    margin-left: 16px; overflow: hidden;
    background: var(--c-gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; font-weight: 700; color: #fff;
    box-shadow: 0 0 16px var(--c-primary-glow);
    border: 3px solid rgba(255,255,255,0.15);
    transition: transform 0.6s cubic-bezier(0.23,1,0.32,1);
}
.biz-card:hover .biz-card-avatar { transform: rotate(-360deg); }
.biz-card-avatar img { width:100%; height:100%; object-fit:cover; }

.biz-card-info {
    padding: 12px 16px; flex: 1; min-width: 0;
}
.biz-card-name { font-size: 18px; font-weight: 700; color: var(--c-text); font-family: var(--font-serif); }
.biz-card-role { font-size: 12px; color: var(--c-text-muted); margin-top: 2px; }

.biz-card-btn {
    width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; margin-right: 16px;
    background: var(--c-primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    position: relative; flex-direction: column; gap: 3px;
    box-shadow: 0 0 12px var(--c-primary-glow);
    transition: transform 0.3s, box-shadow 0.3s;
}
.biz-card-btn:hover { transform: scale(1.1); box-shadow: 0 0 20px var(--c-primary-glow); }
.biz-card-btn span {
    width: 16px; height: 2px; border-radius: 1px; background: #fff;
    transition: all 0.3s;
}
.biz-card.open .biz-card-btn span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.biz-card.open .biz-card-btn span:nth-child(2) { opacity: 0; }
.biz-card.open .biz-card-btn span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 社交图标悬浮提示 */
.biz-social-item svg { pointer-events: none; }

.biz-social-fan {
    position: absolute; bottom: calc(100% + 16px); right: 16px;
    display: flex; gap: 8px;
    pointer-events: none; opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
}
.biz-card.open ~ .biz-social-fan {
    pointer-events: auto; opacity: 1; transform: translateY(0);
}
.biz-social-item {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--c-bg-alt); border: 1px solid var(--c-border);
    display: flex; align-items: center; justify-content: center;
    color: var(--c-text-muted); font-size: 16px;
    transition: all 0.3s calc(var(--i, 0) * 0.05s);
    transform: scale(0.8);
    opacity: 0;
    overflow: hidden;
}
.biz-card.open ~ .biz-social-fan .biz-social-item {
    opacity: 1; transform: scale(1);
}
.biz-social-item:hover { background: var(--c-primary); color: #fff; transform: scale(1.15); }

/* ══════════════════════════════════════════
   流态旋转时间轴
   ══════════════════════════════════════════ */
.fluid-timeline {
    position: relative; height: 440px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.fluid-timeline-center {
    width: 80px; height: 80px; border-radius: 50%;
    position: relative; z-index: 10;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column;
    background: var(--c-glass-bg);
    border: 2px solid var(--c-primary);
    box-shadow: 0 0 24px var(--c-primary-glow);
}
.fluid-ring {
    position: absolute; border-radius: 50%; border: 1px solid;
    animation: fluidRingPulse 3.5s ease-in-out infinite;
}
.fluid-ring:nth-child(1) {
    width: 80px; height: 80px; border-color: var(--c-primary);
    box-shadow: 0 0 16px var(--c-primary-glow);
}
.fluid-ring:nth-child(2) {
    width: 110px; height: 110px; border-color: var(--c-accent);
    animation-delay: 0.6s; opacity: 0.6;
}
.fluid-ring:nth-child(3) {
    width: 140px; height: 140px; border-color: var(--c-primary);
    animation-delay: 1.2s; opacity: 0.3;
}
@keyframes fluidRingPulse {
    0%,100% { transform: scale(1); }
    50%      { transform: scale(1.08); }
}

.fluid-item {
    position: absolute; width: 150px;
    padding: 14px; border-radius: var(--radius-sm);
    background: var(--c-glass-bg); border: 1px solid var(--c-glass-border);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    text-align: center; cursor: pointer; z-index: 5;
    transition: box-shadow 0.3s;
}
.fluid-item:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 16px var(--c-primary-glow); }
.fluid-item h4 { font-size: 13px; font-weight: 600; color: var(--c-text); margin-bottom: 4px; }
.fluid-item p  { font-size: 11px; color: var(--c-text-muted); }

.fluid-divide-line {
    position: absolute; left: 30%; top: 10%; bottom: 10%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--c-border) 30%, var(--c-border) 70%, transparent);
    z-index: 5;
}

/* ══════════════════════════════════════════
   日历
   ══════════════════════════════════════════ */
.calendar-widget {
    max-width: 360px; border-radius: var(--radius);
    overflow: hidden;
    background: var(--c-glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--c-glass-border);
    box-shadow: var(--shadow);
    position: relative;
}
.calendar-widget::before, .calendar-widget::after {
    content: '';
    position: absolute; top: 22px; width: 12px; height: 24px;
    background: rgba(255,255,255,0.12); border-radius: 6px;
    border: 2px solid rgba(255,255,255,0.18);
    box-shadow: none;
    z-index: 2;
}
[data-theme="day"] .calendar-widget::before,
[data-theme="day"] .calendar-widget::after {
    background: rgba(255,255,255,0.45);
    border-color: rgba(255,255,255,0.55);
}
.calendar-widget::before { left: 28%; }
.calendar-widget::after  { left: 62%; }

.cal-header {
    padding: 20px 20px 16px;
    background: var(--c-gradient);
    text-align: center; position: relative;
}
.cal-header-title { font-size: 40px; font-weight: 800; color: #fff; line-height: 1; font-family: var(--font-serif); }
.cal-header-sub   { font-size: 14px; color: rgba(255,255,255,0.85); margin-top: 4px; letter-spacing: 2px; }
.cal-nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 12px; margin-top: 8px;
}
.cal-nav-btn {
    width: 28px; height: 28px; border-radius: 50%;
    background: rgba(255,255,255,0.18); color: #fff; font-size: 14px;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
}
.cal-nav-btn:hover { background: rgba(255,255,255,0.35); }
.cal-month-year { color: rgba(255,255,255,0.9); font-size: 14px; font-weight: 600; }

.cal-body { padding: 16px; }
.cal-grid { display: grid; grid-template-columns: repeat(7,1fr); gap: 2px; text-align: center; }
.cal-head { font-size: 11px; font-weight: 700; color: var(--c-primary); padding: 4px 0; }
.cal-cell {
    aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
    font-size: 13px; border-radius: 50%; cursor: pointer; position: relative;
    color: var(--c-text); transition: all 0.2s;
}
.cal-cell:hover { background: var(--c-surface); transform: scale(1.12); }
.cal-cell--today {
    background: var(--c-primary); color: #fff;
    box-shadow: 0 0 14px var(--c-primary-glow);
    font-weight: 700;
}
.cal-cell--other { color: var(--c-text-dim); }

/* ══════════════════════════════════════════
   归档页时间轴
   ══════════════════════════════════════════ */
.archive-timeline { position:relative; padding-left:40px; }
.archive-timeline::before {
    content:''; position:absolute; left:14px; top:0; bottom:0;
    width:2px; background:linear-gradient(to bottom, var(--c-primary), var(--c-accent), transparent);
}
.archive-year { margin-bottom:32px; }
.archive-year-title {
    font-size:22px; font-weight:700; display:flex; align-items:center; gap:12px;
    margin-bottom:16px; position:relative; color:var(--c-text); font-family: var(--font-serif);
}
.archive-dot {
    position:absolute; left:-34px;
    width:12px; height:12px; border-radius:50%;
    background:var(--c-primary); box-shadow:0 0 12px var(--c-primary-glow);
}
.archive-year-count { font-size:13px; color:var(--c-text-dim); font-weight:400; }
.archive-list { display:flex; flex-direction:column; gap:8px; }
.archive-item { padding:14px 20px; display:flex; align-items:center; gap:16px; }
.archive-date  { font-size:14px; color:var(--c-text-dim); font-family:var(--font-mono); flex-shrink:0; }
.archive-title { font-size:15px; font-weight:500; flex:1; color:var(--c-text); }

/* ══════════════════════════════════════════
   归档时钟轮播 — 左内容 + 右大表盘
   ══════════════════════════════════════════ */
/* ═══ 时钟轮播区（仿真表盘设计） ═══ */
.archive-clock-section {
    padding: 40px 0 0; position: relative; z-index: 2; overflow: hidden;
}
.archive-clock-main {
    display: flex; align-items: center;
    position: relative; min-height: 560px;
    max-width: var(--container-w); margin: 0 auto;
    padding: 0 24px; gap: 24px;
}

/* 左侧卡片区域 */
.acl-content {
    width: 42%; flex-shrink: 0; position: relative;
    display: flex; flex-direction: column; justify-content: center;
    padding: 40px 0 40px 0;
    min-height: 480px;
}
.acl-card {
    position: absolute; top: 50%; left: 0; right: 0;
    transform: translateY(calc(-50% + var(--card-offset, 0%)));
    padding: 28px 24px;
    border-radius: var(--radius);
    background: var(--c-glass-bg);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--c-glass-border);
    opacity: 0; pointer-events: none;
    transition: opacity 0.6s cubic-bezier(0.23,1,0.32,1),
                transform 0.8s cubic-bezier(0.23,1,0.32,1);
}
.acl-card-time {
    font-size: clamp(32px, 6vw, 56px); font-weight: 800; line-height: 1.1;
    font-family: var(--font-serif);
    background: var(--c-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 4px;
}
.acl-card-title {
    font-size: 15px; font-weight: 500; color: var(--c-text-muted);
    padding-bottom: 16px; border-bottom: 1px solid var(--c-border);
    margin-bottom: 16px;
}
/* 文章列表 — 限高+滚动+渐隐遮罩 */
.acl-card-posts {
    display: flex; flex-direction: column; gap: 4px;
    max-height: 220px; overflow-y: auto;
    scrollbar-width: thin; scrollbar-color: var(--c-primary) transparent;
    position: relative;
    -webkit-mask-image: linear-gradient(to bottom, #000 80%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 80%, transparent 100%);
}
.acl-card-posts::-webkit-scrollbar { width: 4px; }
.acl-card-posts::-webkit-scrollbar-track { background: transparent; }
.acl-card-posts::-webkit-scrollbar-thumb { background: var(--c-primary); border-radius: 4px; }
.acl-post-link {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    text-decoration: none; transition: background 0.2s;
    flex-shrink: 0;
}
.acl-post-link:hover { background: var(--c-surface); }
.acl-post-date { font-size: 12px; color: var(--c-text-dim); font-family: var(--font-mono); flex-shrink: 0; }
.acl-post-name { font-size: 14px; color: var(--c-text); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 右侧大表盘 — 仿真时钟风格 */
.acl-clock-wrap {
    width: 58%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    padding: 20px 0;
}
.acl-clock {
    --dial-size: min(460px, 72vw);
    width: var(--dial-size); aspect-ratio: 1;
    border-radius: 50%;
    /* 毛玻璃渐变边框 */
    border: 24px solid rgba(127,90,240,0.25);
    background:
        radial-gradient(circle at 30% 25%, rgba(127,90,240,0.08), transparent 60%),
        radial-gradient(circle at 70% 75%, rgba(44,182,125,0.06), transparent 60%),
        var(--c-glass-bg);
    backdrop-filter: blur(24px) saturate(1.3); -webkit-backdrop-filter: blur(24px) saturate(1.3);
    position: relative;
    transition: transform 0.8s cubic-bezier(0.23,1,0.32,1), box-shadow 0.4s;
    box-shadow:
        inset 0 0 80px rgba(127,90,240,0.1),
        inset 0 2px 20px rgba(255,255,255,0.05),
        0 0 0 1px rgba(127,90,240,0.3),
        0 0 0 6px rgba(127,90,240,0.08),
        0 8px 40px rgba(0,0,0,0.3),
        0 0 80px rgba(127,90,240,0.2),
        0 0 160px rgba(127,90,240,0.08);
    overflow: visible;
    touch-action: none;
    /* 悬浮感：微浮动 */
    animation: aclFloat 6s ease-in-out infinite;
}
@keyframes aclFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}
.acl-clock:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow:
        inset 0 0 80px rgba(127,90,240,0.14),
        inset 0 2px 24px rgba(255,255,255,0.08),
        0 0 0 1px rgba(127,90,240,0.4),
        0 0 0 8px rgba(127,90,240,0.12),
        0 16px 60px rgba(0,0,0,0.35),
        0 0 100px rgba(127,90,240,0.3),
        0 0 200px rgba(127,90,240,0.12);
}
[data-theme="day"] .acl-clock {
    border-color: rgba(59,91,219,0.2);
    background:
        radial-gradient(circle at 30% 25%, rgba(59,91,219,0.06), transparent 60%),
        radial-gradient(circle at 70% 75%, rgba(10,171,106,0.04), transparent 60%),
        rgba(255,255,255,0.5);
    box-shadow:
        inset 0 0 60px rgba(59,91,219,0.06),
        inset 0 2px 16px rgba(255,255,255,0.3),
        0 0 0 1px rgba(59,91,219,0.2),
        0 0 0 6px rgba(59,91,219,0.06),
        0 8px 40px rgba(0,50,120,0.15),
        0 0 60px rgba(59,91,219,0.12);
}
[data-theme="day"] .acl-clock:hover {
    box-shadow:
        inset 0 0 60px rgba(59,91,219,0.1),
        inset 0 2px 20px rgba(255,255,255,0.4),
        0 0 0 1px rgba(59,91,219,0.3),
        0 0 0 8px rgba(59,91,219,0.1),
        0 16px 60px rgba(0,50,120,0.2),
        0 0 80px rgba(59,91,219,0.18);
}
/* 表盘中心圆点 */
.acl-clock-center {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--c-primary); z-index: 5;
    box-shadow: 0 0 24px var(--c-primary-glow), 0 0 6px rgba(255,255,255,0.3);
}
/* 表盘中心指针（当前月份指示线）— 带摆动动画 */
.acl-clock-hand {
    position: absolute; bottom: 50%; left: 50%;
    width: 3.5px; height: 38%;
    margin-left: -1.75px;
    background: linear-gradient(to top, var(--c-primary), rgba(167,139,250,0.8) 70%, transparent);
    border-radius: 2px;
    transform-origin: bottom center;
    z-index: 4;
    transition: transform 0.8s cubic-bezier(0.23,1,0.32,1);
    box-shadow: 0 0 14px var(--c-primary-glow), 0 0 28px rgba(127,90,240,0.15);
    /* 微微呼吸摆动 */
    animation: aclHandSway 4s ease-in-out infinite;
}
@keyframes aclHandSway {
    0%, 100% { filter: drop-shadow(0 0 8px var(--c-primary-glow)); }
    50%      { filter: drop-shadow(0 0 16px var(--c-primary-glow)) brightness(1.15); }
}
.acl-clock-hand::before {
    content: '';
    position: absolute; top: -6px; left: 50%; transform: translateX(-50%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 8px solid var(--c-primary);
    filter: drop-shadow(0 0 4px var(--c-primary-glow));
}

/* 刻度 — 从中心辐射向外 */
.acl-mark {
    position: absolute; transform-origin: bottom center;
    bottom: 50%; left: calc(50% - 1.5px); border-radius: 2px;
    transition: opacity 0.6s ease, transform 0.8s cubic-bezier(0.23,1,0.32,1);
}
.acl-mark--major {
    height: 22px; width: 3px;
    background: var(--c-primary);
    box-shadow: 0 0 6px var(--c-primary-glow);
}
.acl-mark--minor {
    height: 12px; width: 1.5px;
    background: var(--c-text-dim);
    opacity: 0.6;
}
/* 隐藏的刻度（不在可见窗口内） */
.acl-mark.acl-hidden { opacity: 0; }

/* 月份标签 */
.acl-label {
    position: absolute; font-size: 11px; font-weight: 700;
    color: var(--c-text-muted); white-space: nowrap;
    transform: translate(-50%,-50%);
    transition: color 0.4s, font-size 0.4s, text-shadow 0.4s,
                transform 0.8s cubic-bezier(0.23,1,0.32,1),
                opacity 0.6s ease;
    cursor: pointer; z-index: 3;
    padding: 2px 6px; border-radius: 4px;
}
.acl-label:hover { color: var(--c-text); background: rgba(127,90,240,0.1); }
.acl-label.active {
    color: var(--c-primary); font-size: 15px; font-weight: 800;
    text-shadow: 0 0 20px var(--c-primary-glow);
    background: rgba(127,90,240,0.12);
}
/* 隐藏的标签 */
.acl-label.acl-hidden { opacity: 0; pointer-events: none; }
/* 渐隐的标签（边缘） */
.acl-label.acl-fading { opacity: 0.3; }
.acl-mark.acl-fading { opacity: 0.2; }
/* 初次渲染禁止过渡，防止元素从默认位置滑入 */
.acl-clock.acl-init .acl-mark,
.acl-clock.acl-init .acl-label { transition: none !important; }
/* 拖动中：极短过渡（丝滑跟手但不滞后，原始值 0.6s/0.8s 太慢） */
.acl-clock.acl-dragging .acl-mark {
    transition: opacity 0.12s ease-out, transform 0.15s ease-out !important;
}
.acl-clock.acl-dragging .acl-label {
    transition: color 0.1s, font-size 0.1s, text-shadow 0.1s,
                transform 0.15s ease-out, opacity 0.12s ease-out !important;
}

/* 表盘内圈装饰环 */
.acl-clock-inner-ring {
    position: absolute; top: 50%; left: 50%;
    border-radius: 50%;
    border: 1px solid rgba(127,90,240,0.15);
    pointer-events: none;
}
.acl-clock-inner-ring:nth-child(1) {
    width: 75%; height: 75%; transform: translate(-50%,-50%);
}
.acl-clock-inner-ring:nth-child(2) {
    width: 50%; height: 50%; transform: translate(-50%,-50%);
    border-style: dashed; opacity: 0.5;
}

/* 上/下导航按钮 */
.acl-nav-btn {
    position: absolute; z-index: 20;
    width: 52px; height: 52px; border-radius: 50%;
    background: var(--c-glass-bg); border: 2px solid rgba(127,90,240,0.4);
    display: flex; align-items: center; justify-content: center;
    color: var(--c-text); transition: all 0.3s; cursor: pointer;
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.acl-nav-btn:hover {
    background: var(--c-primary); border-color: var(--c-primary);
    color: #fff;
    box-shadow: 0 0 28px var(--c-primary-glow); transform: scale(1.12);
}
.acl-nav-btn--up   { top: 20px; right: 80px; }
.acl-nav-btn--down { top: 20px; right: 24px; }

/* 进度指示 — 毛玻璃底栏 */
.acl-progress {
    text-align: center; padding: 16px 0;
    font-family: var(--font-mono); font-size: 14px; color: var(--c-text-dim);
    max-width: var(--container-w); margin: 0 auto;
    background: var(--c-glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--c-glass-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
[data-theme="day"] .acl-progress {
    background: rgba(255,255,255,0.6);
    border-color: rgba(59,91,219,0.12);
}
.acl-progress-cur { color: var(--c-primary); font-weight: 700; font-size: 20px; }
.acl-progress-sep { margin: 0 4px; }

/* 响应式 */
@media (max-width: 960px) {
    .archive-clock-main { flex-direction: column; min-height: auto; gap: 12px; }
    .acl-content { width: 100%; padding: 24px 16px; min-height: auto; }
    .acl-card {
        position: relative; top: auto; right: auto;
        transform: none;
        padding: 20px 16px;
        display: none;
    }
    .acl-card.acl-card-active {
        display: block;
        opacity: 1 !important;
    }
    .acl-clock-wrap { width: 100%; }
    .acl-clock { --dial-size: min(320px, 82vw); border-width: 20px; }
    .acl-nav-btn { width: 44px; height: 44px; }
    .acl-nav-btn--up   { top: 10px; }
    .acl-nav-btn--down { top: 10px; }
    .acl-progress { margin: 0 16px; }
}
@media (max-width: 480px) {
    .acl-clock { --dial-size: min(280px, 88vw); border-width: 16px; }
    .acl-card-time { font-size: clamp(24px, 7vw, 36px); }
    .acl-card-posts { max-height: 180px; }
}

/* ══════════════════════════════════════════
   分层3D时钟 — Floating Widget 美化版
   ══════════════════════════════════════════ */
.floating-clock {
    position: fixed; bottom: 100px; right: 32px; z-index: 900;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.clock-toggle-btn {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--c-bg-alt); border: 1px solid var(--c-primary);
    font-size: 10px; z-index: 1;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.2s;
    box-shadow: 0 0 8px var(--c-primary-glow);
    cursor: pointer;
}
.floating-clock:hover .clock-toggle-btn { opacity: 1; }
.floating-clock.collapsed .clock-scene  { opacity: 0; transform: scale(0.6) translateY(20px); pointer-events: none; }
.floating-clock.collapsed .clock-toggle-btn { opacity: 1; }
.floating-clock.collapsed .clock-glow-ring { opacity: 0; }

.clock-scene {
    width: 110px; height: 110px;
    position: relative; transform-style: preserve-3d;
    perspective: 300px;
    transition: opacity 0.3s, transform 0.4s cubic-bezier(0.23,1,0.32,1);
    cursor: pointer;
    /* 悬浮感 */
    animation: floatingClockFloat 5s ease-in-out infinite;
}
@keyframes floatingClockFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-5px); }
}
/* 鼠标悬停时放大+增强阴影（覆盖浮动动画） */
.floating-clock:hover .clock-scene {
    animation: none;
    transform: scale(1.15);
}
.floating-clock:hover .clock-layer--mid {
    box-shadow:
        0 0 40px var(--c-primary-glow),
        0 0 80px rgba(127,90,240,0.2),
        inset 0 0 30px rgba(127,90,240,0.12),
        inset 0 0 60px rgba(44,182,125,0.06);
}
.floating-clock:hover .clock-reflect {
    opacity: 1;
    width: 120px;
    filter: blur(8px);
}

/* 流光外圈 — 旋转渐变边框 */
.clock-glow-ring {
    position: absolute; inset: -8px; border-radius: 50%;
    background: conic-gradient(from 0deg, var(--c-primary), var(--c-accent), transparent, var(--c-primary));
    animation: clockGlowSpin 4s linear infinite;
    opacity: 0.6;
    filter: blur(3px);
    z-index: -1;
    transition: opacity 0.3s;
}
.clock-glow-ring::after {
    content: ''; position: absolute; inset: 3px; border-radius: 50%;
    background: var(--c-bg);
}
@keyframes clockGlowSpin {
    to { transform: rotate(360deg); }
}

/* 悬停时流光增强 */
.floating-clock:hover .clock-glow-ring {
    opacity: 1;
    filter: blur(4px);
}

.clock-layer {
    position: absolute; inset: 0; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.clock-layer--back { transform: translateZ(-10px); }
.clock-layer--mid {
    background:
        radial-gradient(circle at 30% 25%, rgba(127,90,240,0.08), transparent 50%),
        radial-gradient(circle at 70% 75%, rgba(44,182,125,0.06), transparent 50%),
        var(--c-glass-bg);
    backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
    border: 2px solid rgba(127,90,240,0.4);
    box-shadow:
        0 0 30px var(--c-primary-glow),
        0 0 60px rgba(127,90,240,0.12),
        0 8px 24px rgba(0,0,0,0.25),
        inset 0 1px 12px rgba(255,255,255,0.06),
        inset 0 0 24px rgba(127,90,240,0.08),
        inset 0 0 60px rgba(44,182,125,0.04);
    transition: box-shadow 0.3s;
}
.clock-layer--front { transform: translateZ(10px); background: transparent; pointer-events: none; }

.clock-ring {
    position: absolute; border-radius: 50%; border: 1.5px solid;
}
.clock-ring--outer {
    inset: -4px;
    border-color: transparent;
    border-top-color: var(--c-primary);
    border-right-color: var(--c-accent);
    opacity: 0.7;
    animation: clockRingRotate 8s linear infinite;
    filter: drop-shadow(0 0 4px var(--c-primary-glow));
}
.clock-ring--inner {
    inset: 6px;
    border-color: transparent;
    border-bottom-color: var(--c-accent);
    border-left-color: var(--c-primary);
    opacity: 0.5;
    animation: clockRingRotate 6s linear infinite reverse;
    filter: drop-shadow(0 0 3px var(--c-accent-glow));
}
@keyframes clockRingRotate {
    from { transform: rotate(0); }
    to   { transform: rotate(360deg); }
}

.clock-face { width: 100%; height: 100%; position: relative; border-radius: 50%; }

/* 刻度线 */
.clock-ticks { position: absolute; inset: 0; border-radius: 50%; }
.clock-tick {
    position: absolute; left: 50%; top: 4px;
    width: 1px; height: 5px;
    background: var(--c-text-dim);
    transform-origin: 50% calc(55px - 4px);
    opacity: 0.4;
}
.clock-tick.clock-tick--major {
    width: 1.5px; height: 8px;
    background: var(--c-primary);
    opacity: 0.8;
}

.clock-hand {
    position: absolute; bottom: 50%; left: 50%;
    transform-origin: bottom center;
    border-radius: 3px 3px 0 0;
}
.clock-hand--hour {
    width: 3.5px; height: 28px; margin-left: -1.75px;
    background: linear-gradient(to top, var(--c-text), var(--c-text-muted));
    box-shadow: 0 0 6px rgba(127,90,240,0.3);
    border-radius: 2px;
}
.clock-hand--min {
    width: 2.5px; height: 36px; margin-left: -1.25px;
    background: linear-gradient(to top, var(--c-primary), #a78bfa);
    box-shadow: 0 0 8px var(--c-primary-glow), 0 0 16px rgba(127,90,240,0.2);
    border-radius: 1.5px;
}
.clock-hand--sec {
    width: 1.5px; height: 40px; margin-left: -0.75px;
    background: linear-gradient(to top, var(--c-accent), #6ee7b7);
    box-shadow: 0 0 10px var(--c-accent-glow), 0 0 20px rgba(44,182,125,0.15);
    border-radius: 1px;
}
/* 秒针尾巴 */
.clock-hand--sec::after {
    content: ''; position: absolute; top: 100%;
    left: 50%; transform: translateX(-50%);
    width: 1.5px; height: 10px;
    background: var(--c-accent);
    opacity: 0.5; border-radius: 0 0 1px 1px;
}

.clock-center-dot {
    position: absolute; top: 50%; left: 50%;
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--c-primary); transform: translate(-50%,-50%);
    box-shadow: 0 0 12px var(--c-primary-glow), 0 0 24px rgba(127,90,240,0.3);
    z-index: 10;
    animation: clockCenterPulse 2s ease-in-out infinite;
}
@keyframes clockCenterPulse {
    0%, 100% { box-shadow: 0 0 12px var(--c-primary-glow), 0 0 24px rgba(127,90,240,0.3); }
    50%      { box-shadow: 0 0 18px var(--c-primary-glow), 0 0 36px rgba(127,90,240,0.4); }
}

.clock-num {
    position: absolute; font-size: 9px; font-weight: 800;
    color: var(--c-text-muted); line-height: 1;
    text-shadow: 0 0 6px var(--c-primary-glow);
    font-family: var(--font-mono);
}
.n12 { top: 6px;   left: 50%; transform: translateX(-50%); }
.n3  { right: 6px; top: 50%; transform: translateY(-50%); }
.n6  { bottom: 6px; left: 50%; transform: translateX(-50%); }
.n9  { left: 6px;  top: 50%; transform: translateY(-50%); }

.clock-digital {
    font-size: 9px; font-family: var(--font-mono); font-weight: 700;
    background: var(--c-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    text-shadow: none;
    position: absolute; bottom: 16%;
    left: 50%; transform: translateX(-50%);
    white-space: nowrap; z-index: 5;
    filter: drop-shadow(0 0 4px var(--c-primary-glow));
}

.clock-reflect {
    width: 110px; height: 30px;
    background: radial-gradient(ellipse at center, var(--c-primary-glow) 0%, transparent 70%);
    transform: scaleY(-0.3); filter: blur(6px);
    margin-top: -8px; pointer-events: none;
    animation: clockReflectPulse 3s ease-in-out infinite;
}
@keyframes clockReflectPulse {
    0%, 100% { opacity: 0.5; }
    50%      { opacity: 0.8; }
}

/* 日间模式时钟特殊样式 */
[data-theme="day"] .clock-glow-ring {
    background: conic-gradient(from 0deg, #3b5bdb, #0aab6a, #60a5fa, transparent, #3b5bdb);
    opacity: 0.5;
}
[data-theme="day"] .clock-layer--mid {
    background: rgba(255,255,255,0.65);
    box-shadow:
        0 0 24px rgba(59,91,219,0.2),
        inset 0 0 20px rgba(59,91,219,0.06);
    outline-color: #3b5bdb;
}
[data-theme="day"] .clock-reflect {
    background: radial-gradient(ellipse at center, rgba(59,91,219,0.2) 0%, transparent 70%);
}

/* ══════════════════════════════════════════
   背景音乐播放器
   ══════════════════════════════════════════ */
.music-player {
    position: relative;
    width: 36px; height: 36px;
    cursor: pointer;
    flex-shrink: 0;
    margin-left: 4px;
}
.music-cover {
    width: 36px; height: 36px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--c-border);
    transition: border-color 0.3s, box-shadow 0.3s;
    position: relative;
}
.music-cover-img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
/* 播放时封面样式增强（旋转由JS控制） */
.music-player.playing .music-cover {
    border-color: var(--c-primary);
    box-shadow: 0 0 12px var(--c-primary-glow);
}
/* 脉冲波纹 */
.music-pulse {
    position: absolute; inset: -4px; border-radius: 50%;
    border: 2px solid var(--c-primary);
    opacity: 0; pointer-events: none;
}
.music-player.playing .music-pulse {
    animation: musicPulseAnim 1.5s ease-out infinite;
}
@keyframes musicPulseAnim {
    0%   { opacity: 0.6; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.5); }
}
/* 暂停图标覆层 */
.music-icon-pause {
    position: absolute; inset: 0; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.4);
    color: #fff; opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
.music-player.playing:hover .music-icon-pause { opacity: 1; }
.music-player:not(.playing) .music-icon-pause { opacity: 0; }
/* 未播放时显示播放三角 */
.music-player:not(.playing) .music-cover::after {
    content: ''; position: absolute;
    top: 50%; left: 52%; transform: translate(-50%,-50%);
    width: 0; height: 0;
    border-left: 10px solid rgba(255,255,255,0.8);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    filter: drop-shadow(0 0 4px rgba(0,0,0,0.3));
}
/* 日间模式适配 */
[data-theme="day"] .music-player.playing .music-cover {
    border-color: #3b5bdb;
    box-shadow: 0 0 12px rgba(59,91,219,0.3);
}
[data-theme="day"] .music-pulse {
    border-color: #3b5bdb;
}

/* ══════════════════════════════════════════
   自定义动画鼠标指针 (JS cursor tracker)
   ══════════════════════════════════════════ */
.custom-cursor-active, .custom-cursor-active * {
    cursor: none !important;
}
.custom-cursor {
    position: fixed; top: 0; left: 0;
    width: 48px; height: 48px;
    pointer-events: none; z-index: 99999;
    opacity: 0;
    transition: opacity 0.15s;
    will-change: transform;
}
.custom-cursor.visible { opacity: 1; }
.custom-cursor-img {
    width: 100%; height: 100%;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    image-rendering: auto;
}
/* 音乐播放器摇晃动画（文件未找到时） */
@keyframes musicShake {
    0%,100% { transform: translateX(0); }
    25% { transform: translateX(-3px) rotate(-3deg); }
    75% { transform: translateX(3px) rotate(3deg); }
}
.music-shake { animation: musicShake 0.4s ease; }
.music-loading .music-cover { opacity: 0.6; }

/* ══════════════════════════════════════════
   页脚
   ══════════════════════════════════════════ */
.footer { position:relative; z-index:2; margin-top:40px; }
.footer-wave { position:relative; z-index:1; }
.footer-wave svg { display:block; width:100%; height:auto; }
.footer-body { background:var(--c-bg-alt); padding:40px 0; }
.footer-inner {
    max-width:var(--container-w); margin:0 auto; padding:0 24px;
    display:flex; flex-direction:column; align-items:center; gap:20px; text-align:center;
}
.footer-brand h3 { font-size:20px; margin-bottom:4px; color:var(--c-text); font-family: var(--font-serif); }
.footer-brand p  { font-size:13px; color:var(--c-text-muted); }
.footer-nav { display:flex; gap:24px; }
.footer-nav a { font-size:14px; color:var(--c-text-muted); transition:color 0.25s; }
.footer-nav a:hover { color:var(--c-primary); }
.footer-copy p { font-size:12px; color:var(--c-text-dim); }

/* 返回顶部 */
.back-to-top {
    position:fixed; bottom:32px; right:92px; z-index:999;
    width:44px; height:44px; border-radius:50%;
    background:var(--c-primary); color:#fff;
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 4px 16px var(--c-primary-glow);
    opacity:0; transform:translateY(20px);
    transition:opacity 0.3s, transform 0.3s;
    pointer-events:none;
}
.back-to-top.visible { opacity:1; transform:translateY(0); pointer-events:auto; }
.back-to-top:hover { transform:translateY(-3px); box-shadow: 0 8px 24px var(--c-primary-glow); }

/* 错误页 */
.error-page {
    min-height:80vh; display:flex; flex-direction:column;
    align-items:center; justify-content:center; text-align:center;
    position:relative; z-index:2;
}
.error-code {
    font-size:120px; font-weight:700; font-family: var(--font-serif);
    background:var(--c-gradient);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
    line-height:1;
}
.error-msg  { font-size:18px; color:var(--c-text-muted); margin:16px 0 32px; }

/* ══════════════════════════════════════════
   日历 + 时间轴 响应式网格
   ══════════════════════════════════════════ */
.cal-timeline-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 48px;
    align-items: start;
}
@media (max-width: 768px) {
    .cal-timeline-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ══════════════════════════════════════════
   关于页 社交图标-only 按钮
   ══════════════════════════════════════════ */
.about-social .social-link {
    width: 44px; height: 44px; border-radius: 50%; padding: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--c-surface); border: 1px solid var(--c-border);
    color: var(--c-text-muted); transition: all 0.25s;
    text-decoration: none;
}
.about-social .social-link:hover {
    background: var(--c-primary); color: #fff; border-color: var(--c-primary);
    box-shadow: 0 0 20px var(--c-primary-glow); transform: translateY(-2px);
}

/* ══════════════════════════════════════════
   邮箱按钮：水流波纹 + 悬浮弹框
   ══════════════════════════════════════════ */
.email-ripple-wrap, .biz-email-wrap { position: relative; }
.biz-email-trigger {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    background: none; border: none; color: inherit; cursor: pointer; padding: 0;
}

/* 水流波纹效果 (#37) — 增强版 */
.email-ripple-btn,
.biz-email-trigger {
    overflow: hidden; position: relative;
}
.email-ripple-btn::before,
.email-ripple-btn::after,
.biz-email-trigger::before,
.biz-email-trigger::after {
    content: ''; position: absolute;
    width: 220%; aspect-ratio: 1;
    border-radius: 40%;
    bottom: -85%; left: -60%;
    background: var(--c-primary);
    opacity: 0;
    transition: transform 3.5s cubic-bezier(0.15,0.85,0.4,1), opacity 0.8s;
    pointer-events: none; z-index: 0;
}
.email-ripple-btn::after,
.biz-email-trigger::after {
    opacity: 0; transform: translateY(0) rotate(8deg);
    animation-delay: 0.15s;
}
.email-ripple-btn:hover::before,
.biz-email-wrap:hover .biz-email-trigger::before {
    transform: translateY(-60%) rotate(170deg); opacity: 0.32;
}
.email-ripple-btn:hover::after,
.biz-email-wrap:hover .biz-email-trigger::after {
    transform: translateY(-54%) rotate(195deg); opacity: 0.22;
}
.email-ripple-btn svg,
.biz-email-trigger svg { position: relative; z-index: 1; }

/* 邮箱弹框 — 增强样式 */
.email-tooltip {
    position: absolute; bottom: calc(100% + 14px); left: 50%;
    transform: translateX(-50%) translateY(8px) scale(0.95);
    padding: 14px 22px; border-radius: 14px;
    background: var(--c-glass-bg); border: 1.5px solid var(--c-primary);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 8px 32px rgba(0,0,0,0.35),
        0 0 20px var(--c-primary-glow),
        inset 0 1px 0 rgba(255,255,255,0.08);
    white-space: nowrap;
    opacity: 0; pointer-events: none;
    transition: opacity 0.35s, transform 0.35s cubic-bezier(0.23,1,0.32,1);
    z-index: 100;
}
.email-tooltip--top {
    bottom: calc(100% + 16px);
}
.email-tooltip-arrow {
    position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%) rotate(45deg);
    width: 14px; height: 14px;
    background: var(--c-glass-bg); border-right: 1.5px solid var(--c-primary);
    border-bottom: 1.5px solid var(--c-primary);
}
.email-tooltip-text {
    font-size: 15px; font-weight: 800; font-family: var(--font-mono);
    color: var(--c-primary);
    text-shadow: 0 0 12px var(--c-primary-glow);
    letter-spacing: 0.8px;
    user-select: all;
}
/* hover 显示 */
.email-ripple-wrap:hover .email-tooltip,
.biz-email-wrap:hover .email-tooltip {
    opacity: 1; pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
}
/* 手机端适配 — 保证弹框可见且居中 */
@media (max-width: 600px) {
    .email-tooltip {
        left: 50%; right: auto;
        transform: translateX(-50%) translateY(8px) scale(0.95);
        padding: 12px 16px;
        font-size: 13px;
    }
    .email-ripple-wrap:hover .email-tooltip,
    .biz-email-wrap:hover .email-tooltip {
        transform: translateX(-50%) translateY(0) scale(1);
    }
    .email-tooltip-arrow { left: 50%; right: auto; transform: translateX(-50%) rotate(45deg); }
    .email-tooltip-text { font-size: 14px; letter-spacing: 0.3px; }
}
@media (max-width: 380px) {
    .email-tooltip {
        padding: 10px 12px; border-radius: 10px;
        white-space: normal; min-width: 180px; text-align: center;
    }
    .email-tooltip-text { font-size: 13px; }
}

/* ══════════════════════════════════════════
   移动端搜索修复
   ══════════════════════════════════════════ */
@media (max-width: 768px) {
    .search-form {
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;
        width: 100% !important;
        padding: 10px 16px;
        background: var(--c-navbar-bg);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--c-navbar-brd);
        z-index: 998;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity 0.3s, transform 0.3s;
        overflow: visible;
    }
    .search-box.open .search-form {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    .search-input { padding-right: 16px; }
}

/* ══════════════════════════════════════════
   新归档滚动时间轴 (ant = archive new timeline)
   ══════════════════════════════════════════ */
.ant-timeline {
    position: relative;
    padding: 40px 0 60px;
    max-width: 860px;
    margin: 0 auto;
}
.ant-timeline::before {
    content: '';
    position: absolute;
    left: 50%; top: 0; bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom, transparent, var(--c-primary) 8%, var(--c-accent) 50%, var(--c-primary) 92%, transparent);
}
.ant-item {
    display: flex;
    width: calc(50% - 28px);
    padding: 0 0 48px 0;
    position: relative;
    opacity: 0;
    transform: translateX(-50px);
    filter: blur(3px);
    transition: opacity 0.7s cubic-bezier(0.23,1,0.32,1),
                transform 0.7s cubic-bezier(0.23,1,0.32,1),
                filter 0.6s;
}
.ant-item--right {
    margin-left: calc(50% + 28px);
    transform: translateX(50px);
}
.ant-item.ant-visible {
    opacity: 1; transform: translateX(0); filter: blur(0);
}
.ant-dot {
    position: absolute;
    right: -35px; top: 22px;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--c-primary);
    box-shadow: 0 0 14px var(--c-primary-glow);
    border: 2px solid var(--c-bg);
    z-index: 2;
}
.ant-item--right .ant-dot {
    right: auto;
    left: -35px;
}
.ant-card {
    padding: 24px 28px; width: 100%;
    position: relative; overflow: hidden;
}
.ant-card::after {
    content: attr(data-year);
    position: absolute; bottom: -8px; right: 12px;
    font-size: 72px; font-weight: 900; line-height: 1;
    font-family: var(--font-serif);
    color: var(--c-primary); opacity: 0.06;
    pointer-events: none; user-select: none;
}
.ant-item--right .ant-card::after { right: auto; left: 12px; }
.ant-card-header {
    display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px;
}
.ant-year-num {
    font-size: 32px; font-weight: 800; font-family: var(--font-serif);
    background: var(--c-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    line-height: 1;
}
.ant-count {
    font-size: 13px; color: var(--c-text-dim);
}
.ant-posts { display: flex; flex-direction: column; gap: 6px; }
.ant-post-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    text-decoration: none; transition: background 0.2s;
}
.ant-post-item:hover { background: var(--c-surface); }
.ant-date {
    font-size: 12px; color: var(--c-text-dim);
    font-family: var(--font-mono); flex-shrink: 0; min-width: 36px;
}
.ant-title {
    font-size: 14px; color: var(--c-text); flex: 1;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

@media (max-width: 767px) {
    .ant-timeline::before { left: 20px; }
    .ant-item, .ant-item--right {
        width: 100%; margin-left: 0;
        padding: 0 16px 36px 52px;
        transform: translateY(30px);
    }
    .ant-item--right { transform: translateY(30px); }
    .ant-dot, .ant-item--right .ant-dot {
        right: auto; left: 13px; top: 20px;
    }
    .ant-card::after { display: none; }
}

/* ══════════════════════════════════════════
   全局交互反馈 — 所有可交互元素hover增强
   ══════════════════════════════════════════ */
/* 导航链接 */
.nav-link:hover {
    transform: translateY(-1px);
    text-shadow: 0 0 12px var(--c-primary-glow);
}
/* 搜索/主题按钮 */
.search-toggle:hover, .theme-toggle:hover {
    transform: scale(1.12);
    box-shadow: 0 0 16px var(--c-primary-glow);
}
/* 音乐播放器hover */
.music-player:hover .music-cover {
    transform: scale(1.08);
    box-shadow: 0 0 16px var(--c-primary-glow);
    border-color: var(--c-primary);
}
/* 汉堡菜单 */
.nav-hamburger:hover {
    transform: scale(1.1);
}
/* 卡片类 */
.featured-card:hover, .post-card:hover, .category-card:hover,
.ant-card:hover, .related-card:hover, .comment-item:hover,
.archive-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0,0,0,0.25), 0 0 20px var(--c-primary-glow);
}
/* 归档时钟卡片：轻微放大而非下移，避免布局抖动 */
.acl-card:hover {
    transform: translateY(-50%) scale(1.02);
    box-shadow: 0 8px 28px rgba(0,0,0,0.2), 0 0 16px var(--c-primary-glow);
}
/* 标签 */
.tag-pill:hover, .card-badge-sm:hover {
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 2px 8px var(--c-primary-glow);
}
/* 分页链接 */
.page-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--c-primary-glow);
}
/* 文章列表项 */
/* 文章列表项hover：仅变色+左边框，不位移避免出现滚动条 */
.acl-post-link:hover, .ant-post-item:hover {
    background: var(--c-surface);
    box-shadow: inset 3px 0 0 var(--c-primary);
}
/* 日历单元格 */
.cal-cell:hover {
    transform: scale(1.18);
    box-shadow: 0 0 12px var(--c-primary-glow);
}
/* 归档时钟导航按钮 */
.acl-nav-btn:hover {
    transform: scale(1.15);
}
/* 归档时钟月份标签 */
.acl-label:hover {
    transform: translate(-50%,-50%) scale(1.1);
    text-shadow: 0 0 12px var(--c-primary-glow);
}
/* 评论回复按钮 */
.comment-reply-btn:hover {
    transform: scale(1.05);
    background: var(--c-surface);
}
/* 社交图标 */
.biz-social-item:hover {
    transform: scale(1.2) translateY(-2px);
    box-shadow: 0 4px 16px var(--c-primary-glow);
}
/* 通用按钮增强 */
.btn:hover {
    transform: translateY(-2px) scale(1.02);
}
/* 页脚链接 */
.footer-nav a:hover {
    transform: translateY(-1px);
    text-shadow: 0 0 8px var(--c-primary-glow);
}
/* 返回顶部按钮 */
.back-to-top:hover {
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 8px 28px var(--c-primary-glow);
}

/* 响应式 */
@media (max-width:960px) {
    .fluid-timeline { height: 300px; }
}
/* 手机端：流态时间轴切换为网格布局 */
@media (max-width:600px) {
    .fluid-timeline {
        height: auto !important;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        padding: 12px;
        overflow: visible;
    }
    .fluid-timeline-center,
    .fluid-divide-line { display: none; }
    .fluid-item {
        position: static !important;
        width: auto !important;
        transform: none !important;
        padding: 12px;
    }
    .fluid-item .fluid-item-inner {
        transform: none !important;
    }
}
@media (max-width:600px) {
    .featured-grid,.posts-grid { grid-template-columns:1fr; }
    .hero-stats { gap:32px; }
    .section { padding:48px 0; }
    .section-header { margin-bottom:32px; }
    .floating-clock { bottom:80px; right:16px; }
    /* 移动端禁用浮动动画（fixed元素+动画在滚动时导致漂移和卡顿） */
    .clock-scene { width: 90px; height: 90px; animation: none !important; }
    .clock-glow-ring { inset: -6px; animation: none !important; }
    .clock-reflect { width: 90px; }
    .clock-tick { transform-origin: 50% calc(45px - 4px); }
    .clock-hand--hour { height: 22px; }
    .clock-hand--min  { height: 28px; }
    .clock-hand--sec  { height: 32px; }
    .clock-hand--sec::after { height: 8px; }
    .biz-card { min-width: 260px; }
}

/* ══════════════════════════════════════════════════════════
   开屏画面 (Splash Overlay)
   ══════════════════════════════════════════════════════════ */
.splash-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-bg);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.splash-overlay.splash-exiting {
    opacity: 0;
    transform: translateY(-100vh);
    pointer-events: none;
}
.splash-overlay.splash-hidden {
    display: none;
}

.splash-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.splash-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--c-text);
    pointer-events: none;
}

.splash-title {
    font-family: var(--font-sans);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    margin: 0;
    text-shadow: 0 0 40px var(--c-primary-glow), 0 4px 20px rgba(0,0,0,0.5);
    animation: splashFadeIn 1.2s ease-out both;
}

.splash-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(0.9rem, 2vw, 1.3rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    margin: 12px 0 0;
    color: var(--c-text-muted);
    min-height: 1.5em;
    animation: splashFadeIn 1.2s 0.3s ease-out both;
}

.splash-enter {
    display: inline-block;
    margin-top: 40px;
    padding: 12px 48px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-text);
    border: 2px solid var(--c-primary);
    border-radius: var(--radius-pill);
    cursor: pointer;
    pointer-events: auto;
    background: transparent;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    text-decoration: none;
    animation: splashFadeIn 1.2s 0.6s ease-out both;
}
.splash-enter:hover {
    background: var(--c-primary);
    color: #fff;
    box-shadow: 0 0 30px var(--c-primary-glow), 0 8px 24px rgba(0,0,0,0.3);
    transform: translateY(-2px);
}

/* 下方跳动箭头 */
.splash-arrow {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--c-primary);
    border-bottom: 2px solid var(--c-primary);
    transform: translateX(-50%) rotate(-45deg);
    opacity: 0.5;
    animation: splashArrowBounce 2s infinite;
}
.splash-arrow-1 { bottom: -60px; left: 50%; animation-delay: 0s; }
.splash-arrow-2 { bottom: -80px; left: 50%; animation-delay: 0.3s; }

@keyframes splashArrowBounce {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) rotate(-45deg) translateY(0); }
    50%      { opacity: 0.8; transform: translateX(-50%) rotate(-45deg) translateY(10px); }
}
@keyframes splashFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 开屏主题切换按钮 */
.splash-theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 100000;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid var(--c-border);
    background: var(--c-glass-bg);
    backdrop-filter: blur(12px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: splashFadeIn 1.2s 0.9s ease-out both;
}
.splash-theme-toggle:hover {
    border-color: var(--c-primary);
    box-shadow: 0 0 16px var(--c-primary-glow);
    transform: scale(1.1);
}

/* 打字机光标 */
.splash-subtitle::after {
    content: '|';
    animation: splashBlink 1s step-end infinite;
    color: var(--c-primary);
    margin-left: 2px;
}
@keyframes splashBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* 移动端适配 */
@media (max-width: 600px) {
    .splash-enter { padding: 10px 36px; font-size: 0.9rem; }
    .splash-theme-toggle { top: 16px; right: 16px; width: 38px; height: 38px; }
}