/* ═══════════════════════════════════════════════════════════
   存档空间电玩社 - 赛博朋克霓虹风格设计系统
   ═══════════════════════════════════════════════════════════ */

/* ── Google Fonts ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700;900&family=Orbitron:wght@400;500;700;900&display=swap');

/* ── CSS 变量 ─────────────────────────────────────────── */
:root {
    --neon-cyan: #00FFFF;
    --neon-pink: #FF00FF;
    --neon-purple: #A855F7;
    --neon-blue: #3B82F6;
    --neon-green: #00FF88;

    /* RGB 三通道（供 rgba() 组合使用，与上方同名色值严格一致） */
    --neon-cyan-rgb: 0, 255, 255;
    --neon-pink-rgb: 255, 0, 255;
    --neon-purple-rgb: 168, 85, 247;
    --neon-green-rgb: 0, 255, 136;
    --bg-deepest-rgb: 7, 7, 15;
    --bg-surface-rgb: 22, 22, 46;

    /* 状态/功能色 */
    --danger: #FF3366;
    --danger-rgb: 255, 51, 102;
    --danger-soft: #FF6B8C;
    --success-soft: #66FFCC;
    --warn-soft: #FFD76B;
    --log-green: #A7FFF3;
    --bg-deep-alt: #05050A;

    --bg-deepest: #07070F;
    --bg-dark: #0A0A1A;
    --bg-card: #111128;
    --bg-card-hover: #1A1A3E;
    --bg-surface: #16162E;
    --bg-surface-light: #1E1E42;

    --text-primary: #F0F0FF;
    --text-secondary: #9898CC;
    --text-muted: #5A5A88;

    --glow-cyan: 0 0 15px rgba(var(--neon-cyan-rgb), 0.4), 0 0 30px rgba(var(--neon-cyan-rgb), 0.15);
    --glow-pink: 0 0 15px rgba(var(--neon-pink-rgb), 0.4), 0 0 30px rgba(var(--neon-pink-rgb), 0.15);
    --glow-cyan-strong: 0 0 20px rgba(var(--neon-cyan-rgb), 0.6), 0 0 60px rgba(var(--neon-cyan-rgb), 0.2);
    --glow-pink-strong: 0 0 20px rgba(var(--neon-pink-rgb), 0.6), 0 0 60px rgba(var(--neon-pink-rgb), 0.2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --font-display: 'Orbitron', 'Inter', sans-serif;
    --font-body: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;
    --font-cn: 'Noto Sans SC', 'Inter', sans-serif;
}

/* ── 全局重置 ─────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deepest);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ── 动态背景粒子 ─────────────────────────────────────── */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 15% 20%, rgba(var(--neon-cyan-rgb), 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 80%, rgba(var(--neon-pink-rgb), 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(var(--neon-purple-rgb), 0.02) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* ── 动态网格背景 ─────────────────────────────────────── */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(var(--neon-cyan-rgb), 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--neon-cyan-rgb), 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* ── 自定义滚动条 ─────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-pink));
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

/* ═══════════════════════════════════════════════════════════
   导航栏
   ═══════════════════════════════════════════════════════════ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(var(--bg-deepest-rgb), 0.75);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(var(--neon-cyan-rgb), 0.1);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-pink), transparent);
    opacity: 0.5;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    position: relative;
    text-transform: uppercase;
}

.nav-brand-cn {
    font-family: var(--font-cn);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 6px;
    color: var(--text-secondary);
    display: block;
    margin-top: -2px;
}

/* ── 平台筛选按钮组 ───────────────────────────────────── */
.platform-filters {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.filter-btn {
    font-family: var(--font-cn);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--neon-cyan-rgb), 0.1), transparent);
    transition: left 0.5s;
}

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn:hover {
    color: var(--neon-cyan);
    border-color: rgba(var(--neon-cyan-rgb), 0.3);
    background: rgba(var(--neon-cyan-rgb), 0.06);
}

.filter-btn.active {
    color: var(--bg-deepest);
    background: linear-gradient(135deg, var(--neon-cyan), rgba(var(--neon-cyan-rgb), 0.8));
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
    font-weight: 700;
}

/* ═══════════════════════════════════════════════════════════
   主内容区
   ═══════════════════════════════════════════════════════════ */
.main-content {
    position: relative;
    z-index: 1;
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem 2rem 6rem;
}

.notice-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 1.5rem;
    padding: 14px 18px;
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.18);
    border-radius: 14px;
    background:
        linear-gradient(90deg, rgba(var(--neon-cyan-rgb), 0.08), rgba(var(--neon-pink-rgb), 0.05)),
        rgba(255, 255, 255, 0.03);
    box-shadow: 0 0 30px rgba(var(--neon-cyan-rgb), 0.06);
}

.notice-label {
    flex-shrink: 0;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(var(--neon-cyan-rgb), 0.14);
    color: var(--neon-cyan);
    font-family: var(--font-cn);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.notice-text {
    color: var(--text-primary);
    font-family: var(--font-cn);
    font-size: 0.96rem;
    line-height: 1.6;
    word-break: break-word;
}

/* ── 区域标题 ─────────────────────────────────────────── */
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: var(--font-cn);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(var(--neon-cyan-rgb), 0.3), transparent);
}

.game-count {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--neon-cyan);
    letter-spacing: 2px;
}

/* ═══════════════════════════════════════════════════════════
   游戏卡片网格
   ═══════════════════════════════════════════════════════════ */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

@media (min-width: 768px) {
    .game-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (min-width: 1200px) {
    .game-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ── 游戏卡片 ─────────────────────────────────────────── */
.game-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all var(--transition-normal);
    aspect-ratio: 3 / 4.2;
    display: flex;
    flex-direction: column;
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all var(--transition-normal);
    pointer-events: none;
    z-index: 3;
}

.game-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(var(--neon-pink-rgb), 0.5);
    box-shadow:
        var(--glow-pink),
        0 20px 40px rgba(0, 0, 0, 0.5);
}

.game-card:hover::before {
    border-color: rgba(var(--neon-pink-rgb), 0.4);
}

.game-card:hover .game-cover {
    transform: scale(1.08);
}

.game-card:hover .card-overlay {
    opacity: 1;
}

/* ── 店长推荐流光金边 ───────────────────────────────────────── */
.game-card.featured-card {
    border: none;
    background: transparent;
    padding: 3px;
    border-radius: calc(var(--radius-lg) + 3px);
}

.game-card.featured-card::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(60deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    background-size: 300%;
    z-index: -1;
    border-radius: calc(var(--radius-lg) + 3px);
    animation: rgbGlow 12s linear infinite;
    opacity: 0.9;
}

.game-card.featured-card::after {
    content: '';
    position: absolute;
    top: -4px; left: -4px; right: -4px; bottom: -4px;
    background: linear-gradient(60deg, #FFD700, #FFDF00, #D4AF37, #FFD700);
    background-size: 300%;
    z-index: -2;
    border-radius: calc(var(--radius-lg) + 5px);
    animation: rgbGlow 8s linear infinite reverse;
    filter: blur(12px);
    opacity: 0.7;
}

@keyframes rgbGlow {
    0% { background-position: 0 0; }
    50% { background-position: 100% 0; }
    100% { background-position: 0 0; }
}

/* 保证卡片内部结构圆角，避免溢出 */
.game-card.featured-card .game-card-inner {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* ── 封面图 ───────────────────────────────────────────── */
.game-cover-wrapper {
    position: relative;
    width: 100%;
    flex: 1;
    overflow: hidden;
}

.game-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), filter var(--transition-normal);
    display: block;
}

.game-cover.grayscale, .modal-cover.grayscale {
    filter: grayscale(100%) opacity(0.5);
}

.game-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-surface));
    color: var(--text-muted);
    font-size: 3rem;
}

/* ── 卡片叠加层 ───────────────────────────────────────── */
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        transparent 40%,
        rgba(var(--bg-deepest-rgb), 0.6) 70%,
        rgba(var(--bg-deepest-rgb), 0.95) 100%
    );
    opacity: 0.8;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: 1;
}

/* ── 卡片信息区 ───────────────────────────────────────── */
.card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 14px;
    z-index: 2;
}

.card-title {
    font-family: var(--font-cn);
    font-size: 0.88rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    font-family: var(--font-cn);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.tag-platform {
    background: rgba(var(--neon-cyan-rgb), 0.15);
    color: var(--neon-cyan);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.3);
}

.tag-media {
    background: rgba(var(--neon-pink-rgb), 0.12);
    color: var(--neon-pink);
    border: 1px solid rgba(var(--neon-pink-rgb), 0.25);
}

.tag-status {
    background: rgba(var(--neon-green-rgb), 0.12);
    color: var(--neon-green);
    border: 1px solid rgba(var(--neon-green-rgb), 0.25);
}

/* ═══════════════════════════════════════════════════════════
   游戏详情模态框
   ═══════════════════════════════════════════════════════════ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.2);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(30px) scale(0.95);
    transition: transform var(--transition-normal);
    box-shadow: 0 0 60px rgba(var(--neon-cyan-rgb), 0.1), 0 25px 50px rgba(0, 0, 0, 0.6);
}

.modal-backdrop.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-cover {
    width: 100%;
    height: auto;
    max-height: 350px;
    object-fit: contain;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    background-color: var(--bg-deep-alt);
    display: block;
}

.modal-body {
    padding: 24px;
}

.modal-title {
    font-family: var(--font-cn);
    font-size: 1.4rem;
    font-weight: 900;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--neon-cyan), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-desc {
    font-family: var(--font-cn);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}


.meta-label {
    font-family: var(--font-cn);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.meta-value {
    font-family: var(--font-cn);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--neon-cyan);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
    backdrop-filter: blur(10px);
}

.modal-close:hover {
    background: rgba(var(--neon-pink-rgb), 0.3);
    border-color: var(--neon-pink);
    box-shadow: var(--glow-pink);
}

/* ═══════════════════════════════════════════════════════════
   聊天浮动按钮 + 抽屉
   ═══════════════════════════════════════════════════════════ */
.chat-fab {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--neon-cyan);
    cursor: pointer;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.chat-fab svg {
    width: 22px;
    height: 22px;
    display: block;
}

.chat-fab:hover {
    transform: scale(1.08) rotate(8deg);
}

/* ── 未读消息徽章 ─────────────────────────────────────── */
.chat-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 11px;
    background: var(--danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0);
    transition: transform var(--transition-fast);
}

.chat-badge.visible {
    transform: scale(1);
}

/* ── 聊天抽屉 (v2.4 明亮风格) ─────────────────────────────────────────── */
.chat-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    max-width: 100vw;
    height: 100vh;
    background: #f7f9fc;
    border-left: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 300;
    display: flex;
    flex-direction: column;
    transition: right var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
}

.chat-drawer.open {
    right: 0;
}

.chat-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 250;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.chat-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* ── 聊天头部 ─────────────────────────────────────────── */
.chat-header {
    padding: 18px 20px;
    background: #ffffff;
    border-bottom: 1px solid #edf2f7;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    z-index: 2;
}

.chat-header-title {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 2px;
    color: #1a202c;
    font-weight: 800;
}

.chat-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #edf2f7;
    border: none;
    color: #4a5568;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.chat-close:hover {
    background: #e2e8f0;
    color: #1a202c;
}

/* ── 聊天标签栏 ───────────────────────────────────────── */
.chat-tabs {
    display: flex;
    background: #ffffff;
    border-bottom: 1px solid #edf2f7;
}

.chat-tab {
    flex: 1;
    padding: 14px;
    font-family: var(--font-cn);
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    color: #718096;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.chat-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: #3182ce;
    transition: width var(--transition-normal);
}

.chat-tab.active {
    color: #2b6cb0;
}

.chat-tab.active::after {
    width: 40%;
}

/* ── 聊天消息区 ───────────────────────────────────────── */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: #f7f9fc;
    font-family: var(--font-cn);
}

.chat-message-container {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    max-width: 90%;
    animation: msg-slide-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.chat-message-container.incoming {
    align-self: flex-start;
}

.chat-message-container.outgoing {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #edf2f7;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.chat-avatar.admin-avatar {
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.6);
    border: 2px solid #fff;
}

.chat-message-body {
    display: flex;
    flex-direction: column;
}

.chat-message-container.outgoing .chat-message-body {
    align-items: flex-end;
}

.msg-nick {
    font-size: 0.75rem;
    color: #a0aec0;
    margin-bottom: 4px;
    font-weight: 500;
}

.msg-nick.admin-nick {
    color: #d69e2e;
    font-weight: 700;
}

.chat-bubble {
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    word-break: break-word;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    position: relative;
}

.chat-message-container.incoming .chat-bubble {
    background: #07C160;
    color: #ffffff;
    border-top-left-radius: 4px;
    border: none;
}

.chat-message-container.incoming .admin-bubble {
    background: linear-gradient(135deg, #295a2d, #276749);
    color: #ffffff;
    border: 1px solid #276749;
    box-shadow: 0 2px 10px rgba(39, 103, 73, 0.3);
}

.chat-message-container.outgoing .chat-bubble {
    background: linear-gradient(135deg, #1a365d, #2b6cb0);
    color: #ffffff;
    border-top-right-radius: 4px;
}

.chat-message.system {
    background: rgba(0, 0, 0, 0.04);
    color: #718096;
    font-size: 0.75rem;
    text-align: center;
    align-self: center;
    padding: 6px 16px;
    border-radius: 20px;
    margin: 8px 0;
}

.msg-time {
    font-size: 0.65rem;
    color: #cbd5e0;
    margin-top: 4px;
}

/* ── 联系人列表 ────────────────────────────────────────── */
.chat-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid #edf2f7;
    cursor: pointer;
    transition: background 0.15s;
}

.chat-contact-item:hover {
    background: #edf2f7;
}

.chat-contact-item.active {
    background: #ebf8ff;
    border-left: 3px solid #3182ce;
}

.contact-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #2d3748;
}

.contact-last-msg {
    font-size: 0.72rem;
    color: #a0aec0;
    margin-top: 2px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    max-width: 120px;
}

.unread-badge {
    background: #e53e3e;
    color: #fff;
    border-radius: 10px;
    padding: 2px 7px;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}


@keyframes msg-slide-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── 聊天输入框 ───────────────────────────────────────── */
.chat-input-area {
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(var(--neon-cyan-rgb), 0.1);
    display: flex;
    gap: 8px;
}

.chat-input {
    flex: 1;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.15);
    border-radius: var(--radius-sm);
    color: var(--neon-green);
    font-family: var(--font-cn);
    font-size: 0.85rem;
    outline: none;
    transition: all var(--transition-fast);
}

.chat-input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(var(--neon-cyan-rgb), 0.15);
    background: rgba(var(--neon-cyan-rgb), 0.03);
}

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

.chat-send-btn {
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--neon-cyan), rgba(var(--neon-cyan-rgb), 0.7));
    border: none;
    border-radius: var(--radius-sm);
    color: var(--bg-deepest);
    font-weight: 700;
    font-family: var(--font-cn);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-send-btn:hover {
    box-shadow: var(--glow-cyan);
    transform: scale(1.05);
}

/* ═══════════════════════════════════════════════════════════
   昵称输入弹窗
   ═══════════════════════════════════════════════════════════ */
.nickname-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.nickname-modal.active {
    opacity: 1;
    visibility: visible;
}

.nickname-box {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.3);
    border-radius: var(--radius-xl);
    padding: 40px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 0 80px rgba(var(--neon-cyan-rgb), 0.1);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

/* 关闭按钮（右上角） */
.nickname-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nickname-close:hover,
.nickname-close:focus-visible {
    border-color: rgba(var(--danger-rgb), 0.7);
    color: var(--danger);
    background: rgba(var(--danger-rgb), 0.1);
    outline: none;
}

/* 「先不进入」次按钮 */
.nickname-cancel {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-cn);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nickname-cancel:hover,
.nickname-cancel:focus-visible {
    border-color: rgba(var(--neon-cyan-rgb), 0.5);
    color: var(--neon-cyan);
    outline: none;
}

.nickname-modal.active .nickname-box {
    transform: scale(1);
}

.nickname-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 3px;
    color: var(--neon-cyan);
    margin-bottom: 8px;
}

.nickname-subtitle {
    font-family: var(--font-cn);
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.nickname-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.2);
    border-radius: var(--radius-md);
    color: var(--neon-cyan);
    font-family: var(--font-cn);
    font-size: 1rem;
    text-align: center;
    outline: none;
    margin-bottom: 16px;
    transition: all var(--transition-fast);
}

.nickname-input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(var(--neon-cyan-rgb), 0.2);
}

.nickname-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    border: none;
    border-radius: var(--radius-md);
    color: var(--bg-deepest);
    font-family: var(--font-cn);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    letter-spacing: 2px;
}

.nickname-btn:hover {
    box-shadow: var(--glow-cyan-strong);
    transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════════════
   加载动画
   ═══════════════════════════════════════════════════════════ */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    gap: 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-surface);
    border-top-color: var(--neon-cyan);
    border-right-color: var(--neon-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 4px;
    color: var(--text-muted);
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ── 空状态 ───────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-text {
    font-family: var(--font-cn);
    font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════════
   管理后台专用
   ═══════════════════════════════════════════════════════════ */
.admin-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.admin-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    letter-spacing: 3px;
    color: var(--neon-cyan);
}

.btn-add-game {
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    border: none;
    border-radius: var(--radius-md);
    color: var(--bg-deepest);
    font-family: var(--font-cn);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    letter-spacing: 2px;
}

.btn-add-game:hover {
    box-shadow: var(--glow-cyan-strong);
    transform: translateY(-2px);
}

/* ── 管理表格 ─────────────────────────────────────────── */
.admin-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.1);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-cn);
}

.admin-table th {
    background: rgba(var(--neon-cyan-rgb), 0.08);
    padding: 14px 16px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid rgba(var(--neon-cyan-rgb), 0.15);
}

.admin-table td {
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.admin-table tr:hover td {
    background: rgba(var(--neon-cyan-rgb), 0.03);
}

.admin-table .cover-thumb {
    width: 45px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-edit,
.btn-delete {
    padding: 6px 14px;
    border-radius: 6px;
    font-family: var(--font-cn);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid;
    margin-right: 6px;
}

.btn-edit {
    background: rgba(var(--neon-cyan-rgb), 0.1);
    color: var(--neon-cyan);
    border-color: rgba(var(--neon-cyan-rgb), 0.3);
}

.btn-edit:hover {
    background: rgba(var(--neon-cyan-rgb), 0.2);
    box-shadow: 0 0 10px rgba(var(--neon-cyan-rgb), 0.3);
}

.btn-delete {
    background: rgba(var(--danger-rgb), 0.1);
    color: var(--danger);
    border-color: rgba(var(--danger-rgb), 0.3);
}

.btn-delete:hover {
    background: rgba(var(--danger-rgb), 0.2);
    box-shadow: 0 0 10px rgba(var(--danger-rgb), 0.3);
}

/* ── 管理表单模态框 ───────────────────────────────────── */
.admin-form-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.admin-form-modal.active {
    opacity: 1;
    visibility: visible;
}

.admin-form-box {
    background: var(--bg-surface);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.2);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 550px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.admin-form-modal.active .admin-form-box {
    transform: translateY(0);
}

.form-title {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-family: var(--font-cn);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-cn);
    font-size: 0.85rem;
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(var(--neon-cyan-rgb), 0.15);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300ffff' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.form-select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.form-btn-submit {
    flex: 1;
    padding: 12px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    border: none;
    border-radius: var(--radius-sm);
    color: var(--bg-deepest);
    font-family: var(--font-cn);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-btn-submit:hover {
    box-shadow: var(--glow-cyan);
}

.form-btn-cancel {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-cn);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-btn-cancel:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
}

.cover-preview {
    margin-top: 8px;
    width: 120px;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.2);
    display: none;
}

.cover-preview.visible {
    display: block;
}

.btn-fetch-cover {
    padding: 8px 16px;
    background: rgba(var(--neon-cyan-rgb), 0.1);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.3);
    border-radius: var(--radius-sm);
    color: var(--neon-cyan);
    font-family: var(--font-cn);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 6px;
}

.btn-fetch-cover:hover {
    background: rgba(var(--neon-cyan-rgb), 0.2);
    box-shadow: 0 0 10px rgba(var(--neon-cyan-rgb), 0.2);
}

/* ═══════════════════════════════════════════════════════════
   响应式调整
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
        flex-direction: column;
        height: auto;
        padding: 12px 1rem;
        gap: 10px;
    }

    .nav-brand {
        font-size: 1.1rem;
    }

    .platform-filters {
        justify-content: center;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .main-content {
        padding: 1rem 1rem 5rem;
    }

    .game-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px;
    }

    .chat-drawer {
        width: 100%;
        max-width: 100vw;
        right: -100%;
    }

    .guestbook-layout {
        grid-template-columns: 1fr;
    }

    .guestbook-form {
        position: static;
    }

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

@media (max-width: 480px) {
    .game-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px;
    }

    .game-card {
        border-radius: var(--radius-md);
    }
}

/* ═══════════════════════════════════════════════════════════
   扫光动画 (用于卡片加载)
   ═══════════════════════════════════════════════════════════ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        var(--bg-card-hover) 37%,
        var(--bg-card) 63%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── 页面入场动画 ─────────────────────────────────────── */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* ── 底部信息 ─────────────────────────────────────────── */
.footer-info {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: var(--font-cn);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-info span {
    color: var(--neon-cyan);
    font-family: var(--font-display);
    letter-spacing: 2px;
}

/* ═══════════════════════════════════════════════════════════
   v2.0 新增样式
   ═══════════════════════════════════════════════════════════ */

/* ── 店长推荐区 (精选边框) ── */
#featuredGrid {
    padding-bottom: 24px;
    margin-bottom: 12px;
}

#featuredGrid .game-card {
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 15px rgba(var(--danger-rgb), 0.4), inset 0 0 10px rgba(var(--danger-rgb), 0.2);
}

#featuredGrid .game-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px rgba(var(--neon-cyan-rgb), 0.6), inset 0 0 15px rgba(var(--neon-cyan-rgb), 0.3);
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(var(--neon-cyan-rgb), 0.3), rgba(var(--neon-pink-rgb), 0.3), transparent);
    margin: 20px 0 40px;
}

/* ── 筛选面板 ── */
.filter-panel {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.15);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 40px;
}

.filter-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
}

.filter-panel-header:hover .filter-panel-title {
    color: var(--neon-pink);
}

.filter-panel-header:focus-visible {
    outline: 2px solid rgba(var(--neon-cyan-rgb), 0.6);
    outline-offset: 4px;
    border-radius: 4px;
}

/* 折叠状态下不需要分隔线 */
.filter-panel.is-collapsed .filter-panel-header {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom-color: transparent;
}

.filter-panel-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* 折叠箭头 */
.filter-toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    color: var(--neon-cyan);
    transition: transform var(--transition-fast);
}

.filter-toggle-icon svg {
    width: 100%;
    height: 100%;
}

.filter-panel.is-collapsed .filter-toggle-icon {
    transform: rotate(-90deg);
}

/* 已选筛选条件摘要（折叠时也能看到选了什么） */
.filter-active-summary {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: var(--font-cn);
    font-size: 0.78rem;
    color: var(--neon-pink);
    opacity: 0.9;
}

.filter-active-summary:empty {
    display: none;
}

/* 折叠动画：用 grid-template-rows 0fr → 1fr，内容高度自适应 */
.filter-collapse-body {
    display: grid;
    grid-template-rows: 1fr;
    opacity: 1;
    visibility: visible;
    transition: grid-template-rows var(--transition-normal),
                opacity var(--transition-normal),
                visibility var(--transition-normal);
}

.filter-panel.is-collapsed .filter-collapse-body {
    grid-template-rows: 0fr;
    opacity: 0;
    /* 折叠后不可点击/不可聚焦 */
    pointer-events: none;
    visibility: hidden;
}

.filter-collapse-body > .filter-categories {
    overflow: hidden;
    min-height: 0;
}

.filter-panel-title {
    font-family: var(--font-cn);
    font-size: 1rem;
    font-weight: 700;
    color: var(--neon-cyan);
    white-space: nowrap;
}

.filter-clear-btn {
    background: transparent;
    border: 1px solid rgba(var(--danger-rgb), 0.5);
    color: var(--danger);
    font-family: var(--font-cn);
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-clear-btn:hover {
    background: rgba(var(--danger-rgb), 0.1);
    box-shadow: 0 0 10px rgba(var(--danger-rgb), 0.4);
}

.filter-categories {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.filter-cat-row {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.filter-cat-name {
    font-family: var(--font-cn);
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 70px;
    margin-top: 6px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-tag-btn {
    font-family: var(--font-cn);
    font-size: 0.8rem;
    padding: 4px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.filter-tag-btn:hover {
    border-color: rgba(var(--neon-pink-rgb), 0.4);
    color: var(--text-primary);
}

.filter-tag-btn.active {
    background: rgba(var(--neon-pink-rgb), 0.15);
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    box-shadow: 0 0 10px rgba(var(--neon-pink-rgb), 0.3);
}

/* ── 弹窗模态框 平台与标签 ── */
.modal-platforms {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.modal-platform-badge {
    background: rgba(var(--neon-cyan-rgb), 0.1);
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: var(--font-display);
    font-size: 0.75rem;
}

.modal-tags {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.tag-item {
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.tag-item .meta-label {
    font-size: 0.65rem;
    margin-bottom: 2px;
}

.tag-item .meta-value {
    font-size: 0.8rem;
}

/* 留言板 */
.guestbook-section {
    margin-top: 56px;
    margin-bottom: 24px;
}

.guestbook-layout {
    display: grid;
    grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
    gap: 20px;
    align-items: start;
}

.guestbook-form,
.guestbook-stream {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.guestbook-form {
    padding: 22px;
    position: sticky;
    top: 96px;
    background:
        radial-gradient(circle at top left, rgba(var(--neon-cyan-rgb), 0.10), transparent 35%),
        radial-gradient(circle at bottom right, rgba(var(--neon-pink-rgb), 0.10), transparent 30%),
        rgba(255, 255, 255, 0.03);
}

.guestbook-kicker {
    color: var(--neon-cyan);
    font-size: 0.76rem;
    letter-spacing: 3px;
    font-family: var(--font-display);
}

.guestbook-form h3 {
    margin: 10px 0 18px;
    font-size: 1.35rem;
    color: var(--text-primary);
    font-family: var(--font-cn);
}

.guestbook-textarea {
    min-height: 140px;
    resize: vertical;
}

.guestbook-form-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: space-between;
}

.guestbook-status {
    min-height: 22px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.guestbook-stream {
    padding: 18px;
    display: grid;
    gap: 14px;
    min-height: 220px;
}

.guestbook-card {
    padding: 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.guestbook-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.guestbook-card-name {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
}

.guestbook-card-time {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.guestbook-card-content {
    margin-top: 12px;
    color: var(--text-secondary);
    line-height: 1.75;
    white-space: pre-wrap;
    word-break: break-word;
}

.guestbook-reply {
    margin-top: 14px;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid rgba(var(--neon-cyan-rgb), 0.14);
    background: linear-gradient(135deg, rgba(var(--neon-cyan-rgb), 0.06), rgba(var(--neon-pink-rgb), 0.04));
}

.guestbook-reply-label {
    color: var(--neon-cyan);
    font-size: 0.72rem;
    letter-spacing: 2px;
    font-family: var(--font-display);
}

.guestbook-reply-content {
    margin-top: 8px;
    color: var(--text-primary);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.guestbook-empty {
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 20px;
}

@media (max-width: 768px) {
    .guestbook-section {
        margin-top: 40px;
    }

    .guestbook-section .section-header {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .guestbook-section .section-line {
        order: 3;
        width: 100%;
        flex-basis: 100%;
    }

    .guestbook-layout {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }

    .guestbook-form {
        position: static;
        padding: 18px;
    }

    .guestbook-stream {
        padding: 14px;
    }

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

    .guestbook-status {
        min-height: 0;
    }
}