/* ============================================================
   Omiaちゃん Blog — 样式表 v4.0
   RinUI Fluent Design Dark Theme
   ============================================================ */
:root {
    --rinui-topbar:     #1a1a2e;
    --rinui-sidebar:    #16213e;
    --rinui-active:     #0f3460;
    --rinui-statusbar:  #0f0f23;
    --rinui-border:     #2a2a4a;
    --rinui-border-hov: #3a3a5c;
    --rinui-text:       #ffffff;
    --rinui-text-reg:   #c0c0d0;
    --rinui-text-sub:   #a0a0b8;
    --rinui-text-muted: #808090;
    --rinui-text-stat:  #707080;
    --rinui-text-dis:   #606070;
    --rinui-text-ver:   #505060;
    --rinui-green:      #4caf50;
    --rinui-red:        #f44336;
    --rinui-tag-text:   #80b0e0;
    --rinui-gold:       #ffd700;
    --font-cn: 'Microsoft YaHei', 'SimHei', '黑体', sans-serif;
    --font-mono: 'JetBrains Mono', 'SimHei', monospace;

    /* 丝滑缓动曲线 */
    --ease-out-expo:    cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart:   cubic-bezier(0.25, 1, 0.5, 1);
    --ease-spring:      cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-in-out-circ: cubic-bezier(0.85, 0, 0.15, 1);
    --ease-smooth:      cubic-bezier(0.4, 0, 0.2, 1);
    --ease-elastic:     cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    font-family: var(--font-mono);
    background: #0a0a1a;
    color: var(--rinui-text-reg);
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}
body.loaded { opacity: 1; }

.hidden { display: none !important; }

/* ---- 背景 ---- */
.bg-layer {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -2;
    background-size: cover; background-position: center; background-repeat: no-repeat;
    transition: opacity 1.2s var(--ease-out-expo);
    opacity: 0;
    will-change: opacity;
    backface-visibility: hidden;
}
.bg-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    background: rgba(0, 0, 0, 0.55);
}

/* ---- RinUI 布局 ---- */
.rinui-layout { display: flex; flex-direction: column; height: 100vh; position: relative; z-index: 1; }

/* ---- 顶栏 ---- */
.rinui-topbar {
    display: flex; align-items: center; height: 48px; min-height: 48px;
    padding: 0 16px; background: var(--rinui-topbar);
    border-bottom: 1px solid var(--rinui-border); z-index: 50; gap: 16px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.topbar-logo { width: 32px; height: 32px; border-radius: 6px; object-fit: cover; border: 1px solid var(--rinui-border-hov); }
.topbar-title { color: var(--rinui-text); font-size: 16px; font-weight: bold; font-family: var(--font-cn); white-space: nowrap; }
.topbar-center { display: flex; align-items: center; justify-content: center; flex: 1; min-width: 0; overflow: hidden; gap: 2px; }
.typed-text { color: var(--rinui-text); font-size: 14px; font-weight: bold; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cursor { display: inline-block; color: var(--rinui-text); font-size: 14px; animation: cursorBlink 0.7s infinite; }
@keyframes cursorBlink { 0%,50%{opacity:1;} 51%,100%{opacity:0;} }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.topbar-separator { color: var(--rinui-border-hov); font-size: 14px; }

.status-indicator { display: flex; align-items: center; gap: 6px; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--rinui-red); transition: background 0.3s ease; }
.status-dot.connected { background: var(--rinui-green); }
.status-dot.fallback { background: var(--rinui-gold); }
.status-label { font-size: 12px; font-family: var(--font-cn); color: var(--rinui-red); transition: color 0.3s ease; }
.status-label.connected { color: var(--rinui-green); }
.status-label.fallback { color: var(--rinui-gold); }

.admin-badge { font-size: 12px; color: var(--rinui-gold); font-family: var(--font-cn); font-weight: bold; }

/* ---- 主区 ---- */
.rinui-main { display: flex; flex: 1; min-height: 0; overflow: hidden; }

/* ---- 侧栏 ---- */
.rinui-sidebar {
    width: 200px; min-width: 200px; background: var(--rinui-sidebar);
    border-right: 1px solid var(--rinui-border); display: flex; flex-direction: column;
    padding: 8px; gap: 4px; overflow-y: auto; overflow-x: hidden;
}
.sidebar-label { color: var(--rinui-text-muted); font-size: 10px; font-family: var(--font-cn); padding: 10px 8px 4px; text-transform: uppercase; letter-spacing: 1.5px; }
.sidebar-btn {
    display: flex; align-items: center; gap: 8px; width: 100%; height: 38px;
    padding: 0 12px; background: transparent; border: none; border-radius: 6px;
    color: var(--rinui-text-reg); font-size: 13px; font-family: var(--font-cn);
    cursor: pointer; transition: background 0.25s var(--ease-out-quart), color 0.25s var(--ease-out-quart), transform 0.2s var(--ease-out-expo); text-align: left; text-decoration: none;
    will-change: transform, background, color;
    backface-visibility: hidden;
}
.sidebar-btn:hover:not(.disabled):not([disabled]) { background: rgba(255,255,255,0.05); color: var(--rinui-text); transform: translateX(2px); }
.sidebar-btn.active { background: var(--rinui-active); color: var(--rinui-text); }
.sidebar-btn.disabled, .sidebar-btn[disabled] { opacity: 0.4; cursor: not-allowed; }
.sidebar-spacer { flex: 1; }
.sidebar-version { color: var(--rinui-text-ver); font-size: 10px; font-family: var(--font-mono); padding: 8px; text-align: center; }

/* ---- 内容区 ---- */
.rinui-content { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 24px; background: rgba(10,10,26,0.3); }
.content-panel { display: none; animation: panelIn 0.35s ease forwards; }
.content-panel.active { display: block; }
@keyframes panelIn { from{opacity:0;transform:translateY(12px);} to{opacity:1;transform:translateY(0);} }

.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--rinui-border); }
.panel-title { color: var(--rinui-text); font-size: 22px; font-weight: bold; font-family: var(--font-cn); }

/* ---- 按钮 ---- */
.rinui-btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
    border: none; border-radius: 6px; font-size: 13px; font-family: var(--font-cn); font-weight: 500;
    cursor: pointer; transition: background 0.25s var(--ease-out-quart), color 0.25s var(--ease-out-quart), transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-out-quart); outline: none; white-space: nowrap;
    text-decoration: none; color: var(--rinui-text-reg);
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}
.rinui-btn.flat { background: transparent; color: var(--rinui-text-reg); }
.rinui-btn.flat:hover { background: rgba(255,255,255,0.06); color: var(--rinui-text); transform: translateY(-1px); }
.rinui-btn.primary { background: var(--rinui-active); color: var(--rinui-text); }
.rinui-btn.primary:hover { background: #1a4a80; box-shadow: 0 4px 12px rgba(15,52,96,0.5); transform: translateY(-1px); }
.rinui-btn.success {
    background: linear-gradient(135deg,#11998e,#38ef7d); color: #fff;
    box-shadow: 0 4px 15px rgba(17,153,142,0.3);
}
.rinui-btn.success:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(17,153,142,0.5); }
.rinui-btn.danger { background: rgba(244,67,54,0.85); color: #fff; }
.rinui-btn.danger:hover { background: rgba(244,67,54,1); box-shadow: 0 4px 12px rgba(244,67,54,0.4); transform: translateY(-1px); }

/* ---- 标签 ---- */
.rinui-tag {
    display: inline-block; padding: 4px 10px; background: var(--rinui-active);
    color: var(--rinui-tag-text); font-size: 11px; font-family: var(--font-mono);
    border-radius: 11px; border: 1px solid rgba(128,176,224,0.15); transition: background 0.25s var(--ease-out-quart), transform 0.25s var(--ease-spring); cursor: default;
    will-change: transform;
    backface-visibility: hidden;
}
.rinui-tag:hover { background: #1a4a80; transform: translateY(-2px); }

/* ---- 搜索 ---- */
.search-bar {
    display: flex; align-items: center; gap: 10px;
    background: rgba(22,33,62,0.6); border: 1px solid var(--rinui-border);
    border-radius: 8px; padding: 0 14px; margin-bottom: 20px; transition: border-color 0.3s var(--ease-out-quart), box-shadow 0.3s var(--ease-out-quart);
}
.search-bar:focus-within { border-color: var(--rinui-active); box-shadow: 0 0 0 3px rgba(15,52,96,0.2); }
.search-icon { font-size: 15px; color: var(--rinui-text-muted); flex-shrink: 0; }
.search-bar input {
    flex: 1; background: transparent; border: none; outline: none;
    padding: 12px 0; color: var(--rinui-text); font-size: 14px; font-family: var(--font-cn);
}
.search-bar input::placeholder { color: var(--rinui-text-dis); }

/* ---- 博客卡片 ---- */
.blog-list { display: flex; flex-direction: column; gap: 14px; }
.blog-card {
    background: rgba(22,33,62,0.75); border: 1px solid var(--rinui-border);
    border-radius: 10px; padding: 20px 24px; transition: border-color 0.3s var(--ease-out-quart), transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-quart), background 0.3s var(--ease-out-quart);
    backdrop-filter: blur(10px); cursor: pointer; animation: cardIn 0.5s var(--ease-out-expo) forwards;
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}
.blog-card:hover { border-color: var(--rinui-border-hov); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.4); background: rgba(22,33,62,0.9); }
@keyframes cardIn { from{opacity:0;transform:translateY(16px) scale(0.98);} to{opacity:1;transform:translateY(0) scale(1);} }
.blog-date { color: var(--rinui-text-muted); font-size: 12px; font-family: var(--font-mono); margin-bottom: 8px; }
.blog-card-title { color: var(--rinui-text); font-size: 18px; font-weight: bold; font-family: var(--font-cn); margin-bottom: 10px; cursor: pointer; transition: color 0.2s ease; }
.blog-card-title:hover { color: var(--rinui-tag-text); }
.blog-card p { color: var(--rinui-text-sub); font-size: 14px; line-height: 1.7; margin-bottom: 0; }
.blog-image-wrapper { margin-bottom: 12px; border-radius: 8px; overflow: hidden; }

/* 博客正文折叠区 */
.blog-body {
    position: relative;
    max-height: 80px;
    overflow: hidden;
    transition: max-height 0.55s var(--ease-out-expo);
}
/* 折叠态渐变遮罩 */
.blog-body::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 40px;
    background: linear-gradient(to bottom, transparent, rgba(22,33,62,0.95));
    pointer-events: none;
    transition: opacity 0.4s var(--ease-out-quart);
}
.blog-card.expanded .blog-body {
    max-height: 2000px;
}
.blog-card.expanded .blog-body::after {
    opacity: 0;
}

/* 展开/收起按钮 */
.read-more {
    display: inline-block; margin-top: 10px;
    color: var(--rinui-tag-text);
    font-size: 13px; font-weight: 600;
    font-family: var(--font-cn);
    cursor: pointer;
    transition: color 0.25s var(--ease-out-quart), transform 0.3s var(--ease-spring);
    user-select: none;
    will-change: transform;
    backface-visibility: hidden;
}
.read-more:hover {
    color: #a0d0ff;
    transform: translateX(5px);
}
.blog-card.expanded .read-more:hover {
    transform: translateX(-5px);
}
.blog-image { width: 100%; max-height: 200px; object-fit: cover; border-radius: 8px; border: 1px solid var(--rinui-border); cursor: pointer; transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-quart); will-change: transform; backface-visibility: hidden; }
.blog-image:hover { transform: scale(1.03); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.blog-tags-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.blog-tag { display: inline-block; padding: 4px 10px; background: var(--rinui-active); color: var(--rinui-tag-text); font-size: 11px; font-family: var(--font-mono); border-radius: 11px; border: 1px solid rgba(128,176,224,0.15); transition: background 0.25s var(--ease-out-quart), transform 0.25s var(--ease-spring); will-change: transform; backface-visibility: hidden; }
.blog-tag:hover { background: #1a4a80; transform: translateY(-2px); }
.blog-actions { display: flex; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--rinui-border); }

/* ---- 空态 ---- */
.empty-state { text-align: center; padding: 60px 20px; background: rgba(22,33,62,0.3); border: 1px dashed var(--rinui-border-hov); border-radius: 12px; }
.empty-icon { font-size: 48px; margin-bottom: 16px; display: block; }
.empty-title { font-size: 18px; color: var(--rinui-red); font-weight: bold; font-family: var(--font-cn); margin-bottom: 6px; }
.empty-subtitle { font-size: 14px; color: var(--rinui-text-muted); font-family: var(--font-cn); }

/* ---- 项目 ---- */
.project-card { background: rgba(22,33,62,0.75); border: 1px solid var(--rinui-border); border-radius: 10px; padding: 24px; margin-top: 8px; transition: border-color 0.3s var(--ease-out-quart), transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-quart); backdrop-filter: blur(10px); will-change: transform, box-shadow; backface-visibility: hidden; }
.project-card:hover { border-color: var(--rinui-border-hov); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.3); }
.project-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.project-card-header h3 { color: var(--rinui-text); font-size: 20px; font-weight: bold; font-family: var(--font-cn); }
.project-desc { color: var(--rinui-text-sub); font-size: 15px; line-height: 1.8; margin-bottom: 16px; padding-left: 16px; border-left: 3px solid var(--rinui-border-hov); }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 14px; border-top: 1px solid var(--rinui-border); }

/* ---- 关于我（保留原味） ---- */
.about-content { text-align: center; max-width: 600px; margin: 0 auto; }
.about-content > p { color: var(--rinui-text-sub); font-size: 15px; line-height: 1.8; margin: 16px 0; }
.github-link {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 26px; margin: 0;
    background: rgba(22,33,62,0.8); border: 1px solid var(--rinui-border);
    border-radius: 26px; color: var(--rinui-text);
    font-size: 14px; font-weight: 500;
    font-family: var(--font-cn);
    text-decoration: none;
    transition: background 0.3s var(--ease-out-quart), border-color 0.3s var(--ease-out-quart), transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-out-quart), gap 0.3s var(--ease-out-quart);
    letter-spacing: 0.02em;
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}
.github-link:hover {
    background: #1b1f23; border-color: #586069;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    gap: 14px;
}
.github-link:active { transform: translateY(-1px) scale(0.97); }

.github-icon {
    width: 24px; height: 24px;
    fill: currentColor; flex-shrink: 0;
    transition: transform 0.35s var(--ease-spring);
    will-change: transform;
}
.github-link:hover .github-icon { transform: rotate(-8deg) scale(1.1); }

.github-label {
    font-family: var(--font-cn);
    font-weight: 600;
    color: var(--rinui-text);
    letter-spacing: 0.03em;
}

.github-sep {
    font-family: var(--font-mono);
    font-weight: 400;
    color: var(--rinui-text-muted);
    margin: 0 2px;
    transition: color 0.3s var(--ease-out-quart);
}
.github-link:hover .github-sep { color: var(--rinui-text-sub); }

.github-user {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.015em;
    color: var(--rinui-tag-text);
    transition: color 0.3s var(--ease-out-quart);
}
.github-link:hover .github-user { color: #a0d0ff; }
.profile-image { display: block; margin: 20px auto; width: 110px; height: 110px; object-fit: cover; border-radius: 50%; border: 3px solid var(--rinui-border-hov); box-shadow: 0 4px 20px rgba(0,0,0,0.3); transition: transform 0.5s var(--ease-spring), border-color 0.35s var(--ease-out-quart), box-shadow 0.35s var(--ease-out-quart); will-change: transform; backface-visibility: hidden; }
.profile-image:hover { transform: scale(1.08) rotate(3deg); border-color: var(--rinui-tag-text); box-shadow: 0 8px 30px rgba(0,0,0,0.5); }
.copy-note { font-weight: bold; font-size: 20px; text-align: center; white-space: normal; }

/* ---- 个人介绍（About 面板摘要） ---- */
.about-intro {
    color: var(--rinui-text-sub);
    font-size: 15px; line-height: 1.8;
    margin: 16px 0 12px;
}
.code{
    color: #0f3460;
    font-size: 15px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 16px 0 12px;
    border-radius: 10px;
}
.about-intro strong {
    color: var(--rinui-text);
    font-weight: bold;
}

/* 兴趣标签胶囊 */
.intro-tags {
    display: flex; flex-wrap: wrap; gap: 10px;
    justify-content: center; margin: 16px 0;
}
.intro-tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px;
    background: rgba(22,33,62,0.7);
    border: 1px solid var(--rinui-border);
    border-radius: 22px;
    font-size: 13px; color: var(--rinui-text-sub);
    font-family: var(--font-cn);
    transition: background 0.3s var(--ease-out-quart), border-color 0.3s var(--ease-out-quart), transform 0.35s var(--ease-spring), color 0.25s var(--ease-out-quart), box-shadow 0.35s var(--ease-out-quart);
    cursor: default;
    will-change: transform;
    backface-visibility: hidden;
}
.intro-tag:hover {
    background: rgba(15,52,96,0.55);
    border-color: var(--rinui-border-hov);
    transform: translateY(-3px);
    color: var(--rinui-text);
    box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}
.intro-tag-icon { font-size: 15px; }

/* "了解更多" & GitHub 按钮组 */
.about-actions {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
    gap: 14px; margin: 20px 0 8px;
}

/* "了解更多" 按钮 —— 主色 */
.intro-more-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; margin: 0;
    background: linear-gradient(135deg, var(--rinui-active), #1a4a80);
    border: 1px solid rgba(128,176,224,0.25);
    border-radius: 26px;
    color: var(--rinui-text);
    font-size: 14px; font-weight: 600;
    font-family: var(--font-cn);
    cursor: pointer;
    transition: background 0.3s var(--ease-out-quart), border-color 0.3s var(--ease-out-quart), transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-out-quart);
    outline: none;
    letter-spacing: 0.02em;
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}
.intro-more-btn:hover {
    background: linear-gradient(135deg, #1a4a80, #2560a0);
    border-color: var(--rinui-tag-text);
    box-shadow: 0 8px 24px rgba(15,52,96,0.5);
    transform: translateY(-3px);
}
.intro-more-btn:active {
    transform: translateY(-1px) scale(0.97);
}

/* ---- 个人介绍弹窗 ---- */
.modal-intro {
    max-width: 620px;
}

.intro-header {
    background: linear-gradient(135deg, rgba(15,52,96,0.5), rgba(22,33,62,0.8));
}
.intro-header h3 {
    background: linear-gradient(135deg, var(--rinui-tag-text), #a0d0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-body {
    padding: 24px 20px !important;
}

/* 介绍卡片 */
.intro-card {
    background: rgba(22,33,62,0.5);
    border: 1px solid var(--rinui-border);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 16px;
    transition: border-color 0.3s var(--ease-out-quart), background 0.3s var(--ease-out-quart), transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-quart);
    animation: introCardIn 0.5s var(--ease-out-expo) forwards;
    will-change: transform, box-shadow;
    backface-visibility: hidden;
}
.intro-card:nth-child(1) { animation-delay: 0.05s; }
.intro-card:nth-child(2) { animation-delay: 0.1s; }
.intro-card:nth-child(3) { animation-delay: 0.15s; }
.intro-card:nth-child(4) { animation-delay: 0.2s; }
.intro-card:last-child { margin-bottom: 0; }

.intro-card:hover {
    border-color: var(--rinui-border-hov);
    background: rgba(22,33,62,0.75);
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.4);
}

@keyframes introCardIn {
    from { opacity: 0; transform: translateY(14px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* 卡片头部 */
.intro-card-head {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(42,42,74,0.4);
}
.intro-card-icon {
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    background: rgba(15,52,96,0.4);
    border-radius: 10px;
    border: 1px solid rgba(128,176,224,0.12);
    flex-shrink: 0;
    transition: background 0.3s var(--ease-out-quart), border-color 0.3s var(--ease-out-quart), box-shadow 0.3s var(--ease-out-quart);
    will-change: box-shadow;
}
.intro-card:hover .intro-card-icon {
    background: rgba(15,52,96,0.65);
    border-color: rgba(128,176,224,0.3);
    box-shadow: 0 0 16px rgba(15,52,96,0.3);
}
.intro-card-title {
    color: var(--rinui-text);
    font-size: 16px; font-weight: bold;
    font-family: var(--font-cn);
}

/* 卡片内容 */
.intro-card-content {
    color: var(--rinui-text-sub);
    font-size: 14px; line-height: 2;
    padding-left: 54px;
}
.intro-card-content p {
    margin-bottom: 4px;
}
.intro-card-content p:last-child {
    margin-bottom: 0;
}
.intro-card-content strong {
    color: var(--rinui-text);
}

/* 趣味标签网格 */
.intro-fun-tags {
    display: flex; flex-wrap: wrap; gap: 8px;
}
.intro-fun-tags span {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(15,52,96,0.3);
    border: 1px solid rgba(128,176,224,0.15);
    border-radius: 16px;
    font-size: 13px;
    color: var(--rinui-tag-text);
    font-family: var(--font-cn);
    transition: background 0.25s var(--ease-out-quart), border-color 0.25s var(--ease-out-quart), color 0.2s var(--ease-out-quart), transform 0.25s var(--ease-spring);
    will-change: transform;
    backface-visibility: hidden;
}
.intro-fun-tags span:hover {
    background: rgba(15,52,96,0.55);
    border-color: rgba(128,176,224,0.35);
    color: #a0d0ff;
    transform: translateY(-2px);
}

/* 弹窗底部 */
.intro-footer {
    display: flex; align-items: center; justify-content: space-between;
}
.intro-footer-note {
    color: var(--rinui-text-muted);
    font-size: 13px;
    font-family: var(--font-cn);
    font-style: italic;
}

/* ---- 许可协议块 ---- */
.license-block {
    margin-top: 32px;
    padding: 24px 20px;
    background: rgba(22,33,62,0.5);
    border: 1px solid var(--rinui-border);
    border-radius: 10px;
    text-align: left;
}
.license-title {
    color: var(--rinui-text);
    font-size: 16px;
    font-weight: bold;
    font-family: var(--font-cn);
    margin-bottom: 12px;
    text-align: center;
}
.license-text {
    color: var(--rinui-text-sub);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 14px;
}
.license-text a {
    color: var(--rinui-tag-text);
    text-decoration: underline;
}
.license-text a:hover {
    color: #a0d0ff;
}
.license-summary {
    color: var(--rinui-text-muted);
    font-size: 13px;
    line-height: 2;
    padding: 14px 16px;
    background: rgba(15,15,35,0.4);
    border-left: 3px solid var(--rinui-border-hov);
    border-radius: 0 6px 6px 0;
}

/* ---- 底栏 ---- */
.rinui-statusbar {
    display: flex; align-items: center; justify-content: space-between;
    height: 24px; min-height: 24px; padding: 0 12px;
    background: var(--rinui-statusbar); border-top: 1px solid var(--rinui-border);
    font-size: 11px; font-family: var(--font-mono); color: var(--rinui-text-stat); gap: 16px; z-index: 50;
}
.statusbar-center { flex: 1; text-align: center; }
.statusbar-separator { color: var(--rinui-border-hov); }
#visitorCount { color: var(--rinui-gold); font-weight: bold; }
#wallpaperInfo:hover { color: var(--rinui-tag-text) !important; }
#statusUser.logged-in { color: var(--rinui-green); }

/* ---- 弹窗 ---- */
.modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); display: flex; justify-content: center; align-items: center;
    z-index: 200; animation: fadeIn 0.2s ease; backdrop-filter: blur(6px);
}
.modal-content {
    background: rgba(22,33,62,0.97); border: 1px solid var(--rinui-border);
    border-radius: 12px; width: 92%; max-width: 520px; max-height: 90vh;
    overflow: hidden; display: flex; flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    animation: modalIn 0.35s var(--ease-spring) forwards;
    will-change: transform, opacity;
    backface-visibility: hidden;
}
.modal-detail { max-width: 720px; }
@keyframes fadeIn { from{opacity:0;} to{opacity:1;} }
@keyframes modalIn { from{opacity:0;transform:translateY(-30px) scale(0.94);} to{opacity:1;transform:translateY(0) scale(1);} }

.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; border-bottom: 1px solid var(--rinui-border); background: var(--rinui-topbar); }
.modal-header h3 { color: var(--rinui-text); font-size: 17px; font-weight: bold; font-family: var(--font-cn); }
.modal-close { background: none; border: none; color: var(--rinui-text-muted); font-size: 24px; cursor: pointer; transition: color 0.25s var(--ease-out-quart), transform 0.3s var(--ease-spring); line-height: 1; will-change: transform; }
.modal-close:hover { color: var(--rinui-red); transform: rotate(90deg); }
.modal-body { padding: 20px 22px; overflow-y: auto; flex: 1; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 22px; border-top: 1px solid var(--rinui-border); background: rgba(15,15,35,0.5); }

/* ---- 表单 ---- */
.form-field { margin-bottom: 16px; }
.form-field label { display: block; color: var(--rinui-text-reg); font-size: 12px; font-weight: 500; font-family: var(--font-cn); margin-bottom: 5px; }
.form-field input, .form-field textarea {
    width: 100%; padding: 10px 14px; background: rgba(15,15,35,0.6);
    border: 1px solid var(--rinui-border); border-radius: 7px;
    color: var(--rinui-text); font-size: 14px; font-family: var(--font-cn);
    outline: none; transition: all 0.2s ease;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--rinui-active); box-shadow: 0 0 0 3px rgba(15,52,96,0.25); background: rgba(15,15,35,0.8); }
.form-field textarea { resize: vertical; min-height: 100px; }
.form-field input[type="file"] { padding: 8px; background: transparent; border: 1px dashed var(--rinui-border-hov); cursor: pointer; font-size: 13px; }
.form-field input[type="file"]:hover { border-color: var(--rinui-active); }
.form-error { color: var(--rinui-red); font-size: 13px; margin-top: 8px; text-align: center; }

.char-count { display: block; text-align: right; color: var(--rinui-text-dis); font-size: 11px; margin-top: 4px; font-family: var(--font-mono); }
.char-count.warning { color: #ffd700; }
.char-count.danger  { color: var(--rinui-red); }

.image-preview { margin-top: 8px; }
.image-preview img { max-width: 160px; max-height: 120px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.2); }
.image-clear-btn { display: block; margin-top: 4px; background: none; border: none; color: var(--rinui-red); cursor: pointer; font-size: 13px; }

/* ---- 详情弹窗（优化版） ---- */
.modal-detail { max-width: 760px; }
.detail-header {
    position: sticky; top: 0; z-index: 10;
    padding: 22px 28px;
    background: linear-gradient(135deg, rgba(15,52,96,0.4), rgba(22,33,62,0.96));
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(128,176,224,0.12);
}
.detail-header h3 {
    font-size: 20px; font-weight: 700;
    line-height: 1.5; padding-right: 8px;
    letter-spacing: 0.02em;
}

.detail-body { padding: 24px 28px !important; }

/* 元信息栏 */
.detail-meta {
    display: flex; align-items: center; gap: 14px;
    color: var(--rinui-text-muted);
    font-size: 13px; margin-bottom: 22px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(42,42,74,0.35);
    font-family: var(--font-cn);
    flex-wrap: wrap;
}
.detail-meta-item {
    display: inline-flex; align-items: center; gap: 5px;
    white-space: nowrap;
}
.detail-meta-sep {
    color: var(--rinui-border-hov);
    font-size: 11px;
}

/* 题图 */
.detail-image-wrapper {
    margin: 0 -4px 24px;
    border-radius: 12px; overflow: hidden;
    box-shadow: 0 6px 28px rgba(0,0,0,0.4);
}
.detail-image-wrapper img {
    display: block; width: 100%; max-height: 380px;
    object-fit: cover; border-radius: 12px;
    border: 1px solid var(--rinui-border);
    cursor: pointer; transition: transform 0.4s ease;
}
.detail-image-wrapper img:hover { transform: scale(1.03); }

/* 正文排版 */
.detail-text {
    color: var(--rinui-text-reg);
    font-size: 15px; line-height: 2.2;
    word-break: break-word;
}
.detail-text p {
    margin-bottom: 20px; text-indent: 2em;
}
.detail-text p:last-child { margin-bottom: 0; }
/* 首段首字下沉 */
.detail-text p:first-of-type::first-letter {
    font-size: 2.8em; font-weight: 700;
    float: left; line-height: 0.72;
    padding: 5px 8px 0 0;
    color: var(--rinui-tag-text);
    font-family: var(--font-cn);
}

/* 标签区 */
.detail-tags {
    margin-top: 26px; padding-top: 20px;
    border-top: 1px solid var(--rinui-border);
    display: flex; flex-wrap: wrap; gap: 8px;
    align-items: center;
}
.detail-tags::before {
    content: '🏷️'; font-size: 14px; margin-right: 2px;
}
.detail-tags:empty { display: none; }
.detail-tags .blog-tag {
    padding: 6px 14px; font-size: 12px;
    border-radius: 14px;
}

/* 底部操作栏 */
.detail-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 28px;
}

/* ---- 灯箱 ---- */
.lightbox-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.85); backdrop-filter: blur(10px);
    z-index: 10000; display: flex; justify-content: center; align-items: center;
    cursor: pointer; animation: fadeIn 0.3s ease;
}
.lightbox-overlay img { max-width: 90vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 10px 60px rgba(0,0,0,0.5); animation: modalIn 0.3s ease; }

/* ---- Toast ---- */
.toast-container { position: fixed; top: 60px; left: 50%; transform: translateX(-50%); z-index: 999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast-item {
    pointer-events: auto; padding: 12px 24px; border-radius: 8px;
    font-size: 14px; font-weight: 500; font-family: var(--font-cn); color: #fff;
    backdrop-filter: blur(15px);
    animation: toastIn 0.35s cubic-bezier(0.175,0.885,0.32,1.275) forwards;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5); white-space: nowrap;
}
.toast-success { background: rgba(46,125,50,0.9); border: 1px solid rgba(76,175,80,0.4); }
.toast-error   { background: rgba(198,40,40,0.9); border: 1px solid rgba(244,67,54,0.4); }
.toast-info    { background: rgba(21,101,192,0.9); border: 1px solid rgba(33,150,243,0.4); }
@keyframes toastIn { from{opacity:0;transform:translateY(-30px) scale(0.9);} to{opacity:1;transform:translateY(0) scale(1);} }
@keyframes toastOut { from{opacity:1;transform:translateY(0) scale(1);} to{opacity:0;transform:translateY(-30px) scale(0.9);} }

/* ---- 🐧 凑企鹅彩蛋 ---- */
#penguinEE {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 99999; pointer-events: none; overflow: hidden;
}

/* ---- 抖动 ---- */
@keyframes shake { 0%,100%{transform:translateX(0);} 20%{transform:translateX(-8px);} 40%{transform:translateX(8px);} 60%{transform:translateX(-6px);} 80%{transform:translateX(6px);} }

/* 留言板用户头像 */
.note-avatar {
    width: 28px; height: 28px; border-radius: 50%;
    object-fit: cover; border: 1px solid var(--rinui-border-hov);
    flex-shrink: 0;
    background: var(--rinui-active);
}
.note-top-left {
    display: flex; align-items: center; gap: 10px;
}

/* ---- 滚动条 ---- */
.rinui-content::-webkit-scrollbar, .rinui-sidebar::-webkit-scrollbar, .modal-body::-webkit-scrollbar { width: 5px; }
.rinui-content::-webkit-scrollbar-thumb, .rinui-sidebar::-webkit-scrollbar-thumb, .modal-body::-webkit-scrollbar-thumb { background: var(--rinui-border-hov); border-radius: 3px; }
.rinui-content::-webkit-scrollbar-track, .rinui-sidebar::-webkit-scrollbar-track, .modal-body::-webkit-scrollbar-track { background: transparent; }

/* ==================== 留言板（新增） ==================== */
.gb-write {
    background: rgba(22,33,62,0.6); border: 1px solid var(--rinui-border);
    border-radius: 10px; padding: 20px; margin-bottom: 24px;
}
.form-row { display: flex; gap: 16px; }
.form-row.dual > .form-field { flex: 1; }

.note-wall { display: flex; flex-direction: column; gap: 12px; }
.note-slab {
    background: rgba(22,33,62,0.7); border: 1px solid var(--rinui-border);
    border-radius: 10px; padding: 16px 20px;
    transition: all 0.2s ease; animation: cardIn 0.35s ease forwards;
}
.note-slab:hover { border-color: var(--rinui-border-hov); box-shadow: 0 4px 16px rgba(0,0,0,0.25); }
.note-slab.is-starred { border-left: 3px solid var(--rinui-gold); }
.note-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.note-author { color: var(--rinui-tag-text); font-size: 14px; font-weight: bold; font-family: var(--font-cn); }
.note-time { color: var(--rinui-text-muted); font-size: 11px; font-family: var(--font-mono); }
.note-body { color: var(--rinui-text-sub); font-size: 14px; line-height: 1.7; word-break: break-word; }
.note-contact { margin-top: 8px; font-size: 12px; color: var(--rinui-text-muted); font-family: var(--font-mono); }
.note-gh-link { text-decoration: none; font-size: 14px; transition: transform 0.2s ease; display: inline-block; }
.note-gh-link:hover { transform: scale(1.2); }

/* ---- 技术栈面板 ---- */
.stack-section {
    background: rgba(22,33,62,0.65);
    border: 1px solid var(--rinui-border);
    border-radius: 12px;
    padding: 24px 28px;
    margin-bottom: 20px;
    transition: border-color 0.3s var(--ease-out-quart), transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-quart);
    backdrop-filter: blur(10px);
    will-change: transform, box-shadow;
    backface-visibility: hidden;
    animation: introCardIn 0.5s var(--ease-out-expo) forwards;
}
.stack-section:nth-child(1) { animation-delay: 0.05s; }
.stack-section:nth-child(2) { animation-delay: 0.12s; }
.stack-section:nth-child(3) { animation-delay: 0.19s; }
.stack-section:hover {
    border-color: var(--rinui-border-hov);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.35);
}

.stack-section-title {
    color: var(--rinui-text);
    font-size: 18px;
    font-weight: bold;
    font-family: var(--font-cn);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(42,42,74,0.35);
}
.stack-section-icon {
    font-size: 22px;
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(15,52,96,0.4);
    border-radius: 10px;
    border: 1px solid rgba(128,176,224,0.12);
    flex-shrink: 0;
    transition: background 0.3s var(--ease-out-quart), box-shadow 0.3s var(--ease-out-quart);
}
.stack-section:hover .stack-section-icon {
    background: rgba(15,52,96,0.65);
    box-shadow: 0 0 16px rgba(15,52,96,0.3);
}

.stack-icons-grid {
    display: flex;
    justify-content: center;
    padding: 8px 0;
}
.stack-skill-icons {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
    transition: transform 0.4s var(--ease-out-expo), filter 0.4s var(--ease-out-quart);
    will-change: transform;
    backface-visibility: hidden;
}
.stack-skill-icons:hover {
    transform: scale(1.04);
    filter: drop-shadow(0 6px 20px rgba(128,176,224,0.3));
}

/* IDE 标签行 */
.stack-ide-labels {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(42,42,74,0.25);
}
.stack-ide-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 18px;
    background: rgba(15,52,96,0.35);
    border: 1px solid rgba(128,176,224,0.18);
    border-radius: 20px;
    font-size: 13px;
    color: var(--rinui-tag-text);
    font-family: var(--font-cn);
    transition: background 0.25s var(--ease-out-quart), border-color 0.25s var(--ease-out-quart), transform 0.3s var(--ease-spring), color 0.2s var(--ease-out-quart), box-shadow 0.3s var(--ease-out-quart);
    cursor: default;
    will-change: transform;
    backface-visibility: hidden;
}
.stack-ide-tag:hover {
    background: rgba(15,52,96,0.6);
    border-color: rgba(128,176,224,0.4);
    color: #a0d0ff;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .rinui-main { flex-direction: column; }
    .rinui-sidebar { width: 100%; min-width: 100%; height: auto; flex-direction: row; flex-wrap: wrap; padding: 6px; gap: 4px; overflow-y: visible; border-right: none; border-bottom: 1px solid var(--rinui-border); }
    .sidebar-label { display: none; } .sidebar-spacer { display: none; } .sidebar-version { display: none; }
    .sidebar-btn { width: auto; flex: 0 0 auto; height: 34px; padding: 0 14px; font-size: 12px; }
    .rinui-content { padding: 16px; }
    .topbar-center { display: none; }
    .modal-detail { max-width: 95%; max-height: 94vh; }
    .detail-header { padding: 16px 20px; }
    .detail-header h3 { font-size: 17px; }
    .detail-body { padding: 18px 20px !important; }
    .detail-text { font-size: 14px; line-height: 1.9; }
    .detail-text p { text-indent: 1.5em; }
    .detail-text p:first-of-type::first-letter { font-size: 2.2em; padding-top: 3px; }
    .form-row.dual { flex-direction: column; gap: 0; }
    /* 个人介绍弹窗 */
    .modal-intro { max-width: 95%; }
    .intro-card-content { padding-left: 0; }
    .intro-card-head { margin-bottom: 10px; padding-bottom: 10px; }
    .about-actions { gap: 12px; }
}
@media (max-width: 480px) {
    .rinui-topbar { padding: 0 8px; gap: 6px; }
    .topbar-title { font-size: 13px; }
    .topbar-logo { width: 26px; height: 26px; }
    .rinui-content { padding: 12px; }
    .panel-title { font-size: 18px; }
    .rinui-statusbar { font-size: 10px; padding: 0 8px; }
    .statusbar-center { display: none; }
    .blog-card { padding: 14px 16px; }
    .blog-card-title { font-size: 16px; }
    .project-card-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .modal-detail { max-width: 100%; width: 100%; height: 100%; max-height: 100vh; border-radius: 0; }
    .detail-header { padding: 14px 16px; }
    .detail-header h3 { font-size: 16px; }
    .detail-body { padding: 14px 16px !important; }
    .detail-text { font-size: 14px; line-height: 1.8; }
    .detail-text p { text-indent: 1.2em; margin-bottom: 14px; }
    .detail-text p:first-of-type::first-letter { font-size: 1.8em; padding-right: 5px; }
    .detail-image-wrapper img { max-height: 220px; }
    .detail-footer { flex-wrap: wrap; gap: 8px; }
    .detail-footer .rinui-btn { flex: 1; text-align: center; justify-content: center; }
    .detail-meta { font-size: 12px; gap: 8px; }
    /* 个人介绍弹窗 */
    .modal-intro { max-width: 100%; width: 100%; height: 100%; max-height: 100vh; border-radius: 0; }
    .intro-body { padding: 16px 14px !important; }
    .intro-card { padding: 14px 16px; margin-bottom: 12px; }
    .intro-card-content { padding-left: 0; font-size: 13px; line-height: 1.8; }
    .intro-card-icon { width: 36px; height: 36px; font-size: 18px; border-radius: 8px; }
    .intro-card-title { font-size: 14px; }
    .intro-tags { gap: 6px; }
    .intro-tag { padding: 6px 12px; font-size: 12px; }
    .intro-fun-tags { gap: 6px; }
    .intro-fun-tags span { padding: 4px 10px; font-size: 12px; }
    .intro-more-btn { padding: 10px 22px; font-size: 13px; }
    .intro-footer { flex-direction: column; gap: 8px; text-align: center; }
    .intro-footer-note { font-size: 12px; }
    .about-actions { gap: 10px; margin: 16px 0 8px; }
    .intro-more-btn { padding: 10px 20px; font-size: 13px; }
    .github-link { padding: 10px 20px; font-size: 13px; gap: 7px; }
    .github-icon { width: 20px; height: 20px; }
    .github-user { font-size: 13px; }
    /* 技术栈移动端 */
    .stack-section { padding: 16px; margin-bottom: 14px; }
    .stack-section-title { font-size: 15px; gap: 8px; margin-bottom: 14px; }
    .stack-section-icon { width: 34px; height: 34px; font-size: 18px; border-radius: 8px; }
    .stack-ide-labels { gap: 6px; margin-top: 12px; padding-top: 12px; }
    .stack-ide-tag { padding: 6px 12px; font-size: 11px; }
}