/* 虚空幻境 - 轻量版CSS v2.0 无外部依赖 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #1f150d;
    --bg2: #181009;
    --card: rgba(48, 34, 23, 0.95);
    --border: rgba(255,150,50,0.12);
    --border-green: rgba(255,140,0,0.3);
    --green: #ff9500;
    --green-dark: #e07b00;
    --blue: #ffb74d;
    --primary: #ff8c00;
    --yellow: #ffc107;
    --red: #ff6b6b;
    --purple: #c44569;
    --orange: #ff8c00;
    --pink: #ff6b9d;
    --text: #fff;
    --text1: #ffffff;
    --text2: rgba(255,235,210,0.85);
    --text3: rgba(255,210,160,0.5);
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
    --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    background-image: 
        linear-gradient(rgba(255,140,0,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,140,0,0.025) 1px, transparent 1px);
    background-size: 40px 40px;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    padding-top: 60px; /* nav高度 ~60px */
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,140,0,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,140,0,0.4); }

/* 背景光晕 */
body::before, body::after {
    content: "";
    position: fixed;
    width: 600px; height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(120px);
    opacity: 0.12;
}
body::before { top: -150px; left: 10%; background: radial-gradient(circle, #ff8c00, transparent 70%); }
body::after { bottom: -150px; right: 10%; background: radial-gradient(circle, #ff6b9d, transparent 70%); }
/* 导航 */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(26, 18, 12, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,140,0,0.1);
}
.nav-inner {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    overflow: visible;
}
.logo {
    font-size: 22px;
    background: linear-gradient(135deg, #ff9500, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    font-weight: 700;
}
.logo img {
    height: 36px;
    width: auto;
    display: block;
}
.nav-links {
    display: flex;
    gap: 0;
    list-style: none;
    align-items: center;
    flex-wrap: nowrap;
    overflow: visible;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
    justify-content: center;
    min-width: 0;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links li { flex-shrink: 0; }
.nav-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    padding: 8px 8px;
    border-radius: var(--radius);
    font-size: 13px;
    transition: var(--transition);
    white-space: nowrap;
    display: block;
}
.nav-links a:hover, .nav-links a.active { color: #ff9500; background: rgba(255,140,0,0.08); }

/* 下拉菜单 */
.dropdown { position: relative; overflow: visible; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%; right: 0;
    min-width: 180px;
    padding: 8px 0;
    background: rgba(28,18,10,0.98);
    border: 1px solid var(--border);
    border-top: 2px solid var(--primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    list-style: none;
    z-index: 9999;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
    display: block;
    padding: 10px 18px;
    color: #fff;
    border-radius: 0;
}
.dropdown-menu a:hover { background: rgba(255,140,0,0.12); color: var(--green); }
.dropdown-divider { height: 1px; background: rgba(255,255,255,0.08); margin: 6px 12px; }

/* 导航栏右侧操作区 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    margin-left: 10px;
}
.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-family: inherit;
}
.nav-btn:hover {
    color: var(--green);
    background: rgba(255,140,0,0.08);
}
.nav-btn-qq {
    color: #ffc107;
    background: rgba(255,193,7,0.1);
}
.nav-btn-qq:hover {
    color: #ffc107;
    background: rgba(255,193,7,0.2);
}
.nav-btn-admin {
    color: #60a5fa;
    background: rgba(96,165,250,0.1);
}
.nav-btn-admin:hover {
    color: #60a5fa;
    background: rgba(96,165,250,0.2);
}
.nav-btn-login {
    background: rgba(255,140,0,0.15);
    color: var(--green);
    border: 1px solid rgba(255,140,0,0.3);
}
.nav-btn-login:hover {
    background: rgba(255,140,0,0.25);
    color: var(--green);
}
.nav-btn-logout {
    color: #f87171;
    background: rgba(248,113,113,0.1);
}
.nav-btn-logout:hover {
    color: #f87171;
    background: rgba(248,113,113,0.2);
}
.nav-user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--green);
    font-size: 14px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius);
    background: rgba(255,140,0,0.1);
    white-space: nowrap;
    flex-shrink: 0;
}
.nav-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg);
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

/* Hero区域 */
.hero {
    position: relative;
    padding: 60px 24px 80px;
    text-align: center;
    background: transparent;
    z-index: 1;
}
.hero.banner {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 20px;
}
.tag {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid var(--border-green);
    border-radius: 999px;
    background: rgba(255,140,0,0.08);
    color: #ffcc80;
    font-size: 12px;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}
.hero h1 {
    font-size: clamp(32px, 6vw, 52px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.hero p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text2);
    font-size: 16px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, #ff9500, #ff6b9d);
    color: #fff;
    border: none;
    box-shadow: 0 4px 20px rgba(255,140,0,0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,140,0,0.45);
}
.btn-secondary {
    background: rgba(55, 38, 26, 0.8);
    border: 1px solid var(--border-green);
    color: var(--primary);
}
.btn-secondary:hover { border-color: rgba(255,140,0,0.5); color: #ffb74d; background: rgba(255,140,0,0.1); }
.btn-group { display: flex; gap: 12px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
main { flex: 1; position: relative; z-index: 1; }
.section { padding: 60px 0; }
.section-sm { padding: 40px 0; }

/* 卡片 */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.card:hover { border-color: var(--border-green); box-shadow: var(--shadow-lg); }

/* 网格 */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}
.required { color: var(--red); }
.form-control {
    width: 100%;
    padding: 14px 20px;
    border: 1px solid rgba(255,140,0,0.15);
    border-radius: 50px;
    background: rgba(40, 28, 18, 0.9);
    color: #fff;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: rgba(255,140,0,0.5);
    background: rgba(50, 35, 22, 0.95);
    box-shadow: 0 0 0 3px rgba(255,140,0,0.12);
}
.form-control::placeholder { color: rgba(255,200,140,0.4); }
.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(30, 20, 12, 0.5);
}
textarea.form-control { min-height: 120px; resize: vertical; border-radius: 16px; }
select.form-control {
    cursor: pointer;
    appearance: none;
    -webkit-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='%23ff9500' d='M6 8L1 3h10z' opacity='0.7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}
select.form-control option {
    background: #2a1f14;
    color: #fff;
    padding: 8px 12px;
}
select.form-control option:checked {
    background: var(--green);
    color: #fff;
}
select.form-control optgroup {
    background: #2a1f14;
    color: var(--text3);
}
.hint {
    display: block;
    margin-top: 6px;
    color: var(--text3);
    font-size: 12px;
}

/* 复选框/单选 */
.check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}
.check-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.03);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}
.check-item:hover { border-color: var(--border-green); background: rgba(255,140,0,0.05); }
.check-item input { display: none; }
.check-box {
    width: 20px; height: 20px;
    min-width: 20px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.check-item input:checked ~ .check-box {
    border-color: var(--green);
    background: rgba(255,140,0,0.15);
}
.check-item input:checked ~ .check-box::after {
    content: '';
    width: 10px; height: 10px;
    border-radius: 2px;
    background: var(--green);
}
.check-item input:checked ~ span:last-child { color: #fff; }

/* 状态徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid transparent;
}
.badge-pending { background: rgba(255,193,7,0.12); color: var(--yellow); border-color: rgba(255,193,7,0.2); }
.badge-processing { background: rgba(255,183,77,0.12); color: var(--blue); border-color: rgba(255,183,77,0.2); }
.badge-completed { background: rgba(255,140,0,0.12); color: var(--green); border-color: rgba(255,140,0,0.2); }
.badge-closed { background: rgba(255,107,107,0.12); color: var(--red); border-color: rgba(255,107,107,0.2); }

/* 页脚 */
footer {
    position: relative;
    z-index: 1;
    padding: 32px 24px;
    text-align: center;
    background: var(--bg2);
    border-top: 1px solid rgba(255,140,0,0.08);
    color: var(--text3);
    font-size: 13px;
}

/* 弹窗 */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(20,12,6,0.8);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}
.modal.show { display: flex; }
.modal-content {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    background: linear-gradient(180deg, #322217, #251810);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s cubic-bezier(0.175,0.885,0.32,1.275);
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.9) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.modal-header h3 { font-size: 18px; }
.modal-close {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.6);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}
.modal-close:hover { background: rgba(255,107,107,0.2); color: var(--red); transform: rotate(90deg); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid rgba(255,255,255,0.06); display: flex; gap: 10px; justify-content: flex-end; }

/* 工具类 */
.text-center { text-align: center; }
.mt-4 { margin-top: 24px; }
.mb-4 { margin-bottom: 24px; }
.d-none { display: none !important; }
.w-100 { width: 100%; }
.flex { display: flex; }
.gap-2 { gap: 12px; }
.gap-3 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

/* 响应式 */
@media (max-width: 768px) {
    .nav-links { gap: 4px; }
    .nav-links a { padding: 6px 10px; font-size: 13px; }
    .nav-btn { padding: 6px 10px; font-size: 12px; }
    .nav-actions { gap: 4px; margin-left: 5px; }
    .nav-user-info { padding: 4px 8px; font-size: 12px; gap: 5px; }
    .nav-avatar { width: 22px; height: 22px; font-size: 10px; }
    .hero { padding: 80px 20px 60px; }
    .card { padding: 20px; }
    .section { padding: 40px 0; }
    .check-grid { grid-template-columns: 1fr; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; justify-content: center; }
}

/* ==================== 新功能样式 v3.0 ==================== */

/* 公告栏 */
.announcement-bar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 99;
    background: linear-gradient(90deg, rgba(255,140,0,0.15), rgba(255,183,77,0.15));
    border-bottom: 1px solid var(--border-green);
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}
.announcement-bar .icon {
    color: var(--yellow);
    font-size: 16px;
    animation: bounce 1s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}
.announcement-content {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
}
.announcement-text {
    display: inline-block;
    animation: scroll-left 30s linear infinite;
    color: rgba(255,255,255,0.9);
    font-size: 14px;
}
@keyframes scroll-left {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}
.announcement-bar.pinned .icon { color: var(--red); }

/* MC 服务器状态卡片 */
.server-status-card {
    background: linear-gradient(135deg, rgba(255,140,0,0.08), rgba(255,183,77,0.06));
    border: 1px solid rgba(255,140,0,0.2);
    border-radius: var(--radius-lg);
    padding: 24px 32px;
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}
.server-status-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.02), transparent);
    animation: shine 4s infinite;
}
@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}
.status-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.status-indicator.online .status-text { color: var(--green); }
.status-indicator.offline .status-text { color: var(--red); }
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--red);
    position: relative;
    flex-shrink: 0;
}
.status-dot.online {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--green); }
    50% { opacity: 0.6; box-shadow: 0 0 16px var(--green); }
}
.status-dot.offline {
    background: var(--red);
}
.status-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--green);
    letter-spacing: 0.5px;
}
.mc-version-badge {
    font-size: 11px;
    color: var(--text3);
    background: rgba(255,255,255,0.05);
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    font-family: 'SF Mono', Consolas, monospace;
}
.mc-motd {
    font-size: 15px;
    color: var(--text2);
    margin-bottom: 20px;
    line-height: 1.4;
}

/* 服务器状态卡片新布局 (v5) */
.status-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 12px;
}
.mc-motd-top {
    font-size: 15px;
    color: var(--text2);
    line-height: 1.4;
    text-align: left;
    flex: 1;
}
.status-online-center {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 15px;
    font-weight: 600;
}
.status-online-center.online { color: var(--green); }
.status-online-center.offline { color: var(--red); }
.status-dot-center {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--red);
    flex-shrink: 0;
}
.status-dot-center.online {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2s infinite;
}
.status-dot-center.offline { background: var(--red); }

/* 查看完整排行榜链接 */
.view-all-rank {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--green);
    font-size: 14px;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-green);
    background: rgba(255,140,0,0.06);
    transition: var(--transition);
}
.view-all-rank:hover {
    background: rgba(255,140,0,0.15);
    transform: translateY(-2px);
}

/* 排行榜前三名高亮 */
.rank-item.rank-top-1 { background: linear-gradient(135deg, rgba(255,215,0,0.12), rgba(255,215,0,0.04)) !important; }
.rank-item.rank-top-2 { background: linear-gradient(135deg, rgba(192,192,192,0.1), rgba(192,192,192,0.03)) !important; }
.rank-item.rank-top-3 { background: linear-gradient(135deg, rgba(205,127,50,0.1), rgba(205,127,50,0.03)) !important; }
.mc-info-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}
.mc-info-item {
    text-align: center;
    padding-right: 28px;
    padding-left: 28px;
}
.mc-info-item:first-child {
    padding-left: 0;
}
.mc-info-item:last-child {
    padding-right: 0;
}
.mc-info-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,0.08);
    margin: 0;
    flex-shrink: 0;
}
.mc-info-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--green);
    font-family: 'SF Mono', Consolas, monospace;
    line-height: 1;
}
.mc-info-label {
    font-size: 12px;
    color: var(--text3);
    margin-top: 6px;
}
.player-list {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.player-tag {
    padding: 3px 10px;
    background: rgba(255,140,0,0.12);
    border: 1px solid rgba(255,140,0,0.2);
    border-radius: 999px;
    font-size: 12px;
    color: #ffcc80;
}

/* 统计面板 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}
@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
}
.stat-card:hover {
    border-color: var(--border-green);
    transform: translateY(-4px);
}
.stat-value {
    font-size: 32px;
    font-weight: 700;
    font-family: 'SF Mono', Consolas, monospace;
    background: linear-gradient(135deg, var(--green), var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    font-size: 13px;
    color: var(--text3);
    margin-top: 4px;
}
.stat-card.pending .stat-value { background: linear-gradient(135deg, var(--yellow), #ff9800); -webkit-background-clip: text; background-clip: text; }
.stat-card.online .stat-value { background: linear-gradient(135deg, var(--green), var(--green-dark)); -webkit-background-clip: text; background-clip: text; }

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-green); }
.faq-question {
    width: 100%;
    padding: 18px 24px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: inherit;
}
.faq-question::after {
    content: '+';
    font-size: 20px;
    color: var(--green);
    transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer {
    max-height: 300px;
}
.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text2);
    font-size: 14px;
    line-height: 1.8;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    color: var(--bg);
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(255,140,0,0.3);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(255,140,0,0.4);
}

/* 快速查询 */
.quick-query {
    display: flex;
    gap: 12px;
    max-width: 400px;
    margin: 20px auto 0;
}
.quick-query input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 14px;
    font-family: inherit;
}
.quick-query input:focus {
    outline: none;
    border-color: var(--green);
}
.quick-query button {
    padding: 12px 20px;
    white-space: nowrap;
}

/* 页脚增强 */
.footer-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.footer-links a {
    color: var(--text3);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--green); }

/* 在线玩家头像 */
.player-head {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    vertical-align: middle;
    margin-right: 6px;
    image-rendering: pixelated;
}

/* 弹窗遮罩层 (modal-overlay 系统) */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20,12,6,0.8);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}
.modal-overlay.active {
    display: flex;
}
.modal-overlay .modal {
    position: relative;
    inset: auto;
    background: linear-gradient(180deg, #322217, #251810);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s cubic-bezier(0.175,0.885,0.32,1.275);
    display: flex;
    flex-direction: column;
}
.modal-overlay .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    flex-shrink: 0;
}
.modal-overlay .modal-header h3 {
    font-size: 18px;
    margin: 0;
}
.modal-overlay .modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.6);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}
.modal-overlay .modal-close:hover {
    background: rgba(255,107,107,0.2);
    color: var(--red);
    transform: rotate(90deg);
}
.modal-overlay .modal-body {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
}

/* 管理员头像 */
.admin-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green), var(--primary));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(255,140,0,0.3);
}
.operator-info {
    display: flex;
    align-items: center;
    gap: 10px;
}
.operator-text {
    text-align: left;
}
.operator-label {
    font-size: 12px;
    color: var(--text3);
}
.operator-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text1);
}

/* ========== 平板适配 (<=768px) ========== */
@media (max-width: 768px) {
    /* 导航栏适配 */
    .nav-inner { padding: 0 12px; gap: 6px; }
    .nav-links {
        flex-wrap: nowrap;
        gap: 0;
    }
    .nav-links li a {
        font-size: 13px;
        padding: 6px 8px;
    }
    .nav-btn { padding: 6px 10px; font-size: 12px; }
    .nav-actions { gap: 4px; margin-left: 4px; }
    .nav-user-info { padding: 4px 8px; font-size: 12px; gap: 5px; }
    .nav-avatar { width: 22px; height: 22px; font-size: 10px; }
    /* Logo缩小 */
    .logo { font-size: 20px; gap: 6px; }

    /* Hero区域 */
    .hero { padding: 80px 20px 50px; }
    .hero.banner { padding-top: 80px; }
    .hero-content h1, .hero h1 { font-size: 28px; }

    /* 服务器状态卡片 */
    .server-status-card {
        margin: 15px;
        padding: 20px 15px;
    }
    .mc-info-grid {
        flex-wrap: wrap;
        gap: 15px;
    }
    .mc-info-item { padding-right: 0 !important; padding-left: 0 !important; flex: 1; min-width: 80px; }
    .mc-info-divider { display: none; }
    .mc-info-value { font-size: 22px; }

    /* 状态卡片新布局移动端 */
    .status-top-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 12px;
    }
    .mc-motd-top { text-align: center; width: 100%; }
    .mc-version-badge { align-self: flex-end; }
    .status-online-center { font-size: 14px; margin-bottom: 14px; }

    /* 数据卡片适配 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px;
    }
    .stats-row {
        flex-wrap: wrap;
        gap: 10px;
    }
    .stat-card-item {
        width: calc(50% - 5px);
        min-width: calc(50% - 5px);
    }
    .stat-card { padding: 14px 10px; }
    .stat-value { font-size: 24px; }

    /* 服务卡片适配 */
    .action-cards {
        grid-template-columns: 1fr;
    }

    /* VIP卡片适配 */
    .vip-cards {
        flex-direction: column;
    }
    .vip-card {
        width: 100%;
    }

    /* 交易记录适配 */
    .tx-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    /* 排行榜适配 */
    .rank-list li, .rank-item {
        font-size: 14px;
        padding: 10px 12px;
    }
    .rank-full-item { font-size: 13px; padding: 8px 10px; }

    /* 弹窗适配 */
    .modal, .modal-overlay { padding: 10px; }
    .modal-content { border-radius: 12px; max-height: 92vh; }
    .modal-header { padding: 14px 16px; }
    .modal-header h3 { font-size: 16px; }
    .modal-body { padding: 16px; }
    .modal-overlay .modal-header,
    .modal-overlay .modal-body { padding: 16px; }

    /* 表单 */
    .form-group { margin-bottom: 14px; }
    .form-control { font-size: 16px; }
    .btn { min-height: 42px; }
    .card { padding: 16px; }

    /* 公告栏 */
    .announcement-bar { top: 56px; padding: 8px 12px; }
    body { padding-top: 60px; }

    /* 通用 */
    .section { padding: 40px 0; }
    .check-grid { grid-template-columns: 1fr; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; justify-content: center; }

    /* FAQ */
    .faq-question { padding: 14px 16px; font-size: 14px; }
    .faq-answer-inner { padding: 0 16px 16px; }

    /* 页脚 */
    .footer-links { gap: 12px; }

    /* 回到顶部 */
    .back-to-top { bottom: 16px; right: 16px; width: 40px; height: 40px; }

    /* 快速查询 */
    .quick-query { flex-direction: column; }
    .quick-query input, .quick-query button { width: 100%; }
}

/* ========== 小屏手机适配 (<=480px) ========== */
@media (max-width: 480px) {
    /* 导航 */
    .nav-inner { padding: 0 8px; gap: 4px; }
    .logo { font-size: 18px; gap: 4px; }
    .nav-links { gap: 0; }
    .nav-links li a { font-size: 12px; padding: 5px 6px; }
    .nav-btn { padding: 5px 8px; font-size: 11px; }
    .nav-actions { gap: 3px; margin-left: 2px; }
    .nav-btn-qq .btn-text, .nav-btn-admin .btn-text { display: none; }
    .nav-user-info { padding: 3px 6px; font-size: 11px; gap: 4px; }
    .nav-avatar { width: 20px; height: 20px; font-size: 9px; }
    .nav-btn-logout { padding: 3px 6px !important; font-size: 11px !important; }

    /* 服务器状态 */
    .server-status-card { margin: 10px; padding: 16px 12px; }
    .mc-info-value { font-size: 20px; }
    .mc-info-label { font-size: 11px; }

    /* 数据卡片 - 单列 */
    .stat-card-item {
        width: 100%;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* 弹窗 */
    .modal-footer { padding: 12px 16px; flex-wrap: wrap; }
    .modal-footer .btn { flex: 1; min-width: 0; justify-content: center; }

    /* 容器 */
    .container { padding: 0 16px; }
    .vip-container { padding: 0 16px 40px; }
    .rankings-container { padding: 0 12px 40px; }
    .admin-container { padding: 16px; }

    /* 页面标题 */
    .page-header h1 { font-size: 26px; }
}

/* ========== 排行榜Tab样式 ========== */
.rank-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
}
.rank-tab {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 8px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text2);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}
.rank-tab:hover {
    border-color: var(--green);
    color: var(--green);
}
.rank-tab.active {
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    border-color: var(--green);
    color: var(--bg);
    font-weight: 600;
}
.rank-note {
    text-align: center;
    color: var(--text3);
    font-size: 12px;
    margin-top: 12px;
    padding: 8px;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
}

/* ========== 附件缩略图和灯箱预览 ========== */
.attachment-thumb {
    display: inline-block;
    margin: 8px 8px 8px 0;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid rgba(255,140,0,0.2);
    cursor: pointer;
    transition: var(--transition);
    background: rgba(0,0,0,0.2);
    max-width: 200px;
}
.attachment-thumb:hover {
    border-color: rgba(255,140,0,0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}
.attachment-thumb img {
    display: block;
    max-width: 200px;
    max-height: 150px;
    object-fit: cover;
}
.attachment-thumb .file-info {
    padding: 8px 10px;
    font-size: 12px;
    color: var(--text2);
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,140,0,0.08);
}
.attachment-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius);
    background: rgba(255,140,0,0.08);
    border: 1px solid var(--border-green);
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
    margin: 8px 0;
}
.attachment-link:hover {
    background: rgba(255,140,0,0.15);
    border-color: rgba(255,140,0,0.4);
    color: #ffcc80;
}

/* 灯箱大图查看器 */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,6,3,0.95);
    backdrop-filter: blur(10px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 40px;
    cursor: pointer;
}
.lightbox-overlay.active {
    display: flex;
    animation: lightboxIn 0.25s ease;
}
@keyframes lightboxIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,140,0,0.15);
    border: 1px solid rgba(255,140,0,0.3);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}
.lightbox-close:hover {
    background: rgba(255,107,107,0.3);
    border-color: rgba(255,107,107,0.5);
    transform: rotate(90deg);
}
.lightbox-title {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text2);
    font-size: 14px;
    max-width: 60%;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    cursor: default;
    animation: lightboxZoom 0.3s cubic-bezier(0.175,0.885,0.32,1.275);
}
@keyframes lightboxZoom {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}
.lightbox-download {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 24px;
    border-radius: 50px;
    background: linear-gradient(135deg, #ff9500, #ff6b9d);
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(255,140,0,0.4);
    transition: var(--transition);
}
.lightbox-download:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,140,0,0.5);
}
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,140,0,0.15);
    border: 1px solid rgba(255,140,0,0.3);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.lightbox-nav:hover {
    background: rgba(255,140,0,0.3);
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* 附件区域布局 */
.attachment-area {
    margin-top: 12px;
}
.file-attachment {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    background: rgba(40,28,18,0.8);
    border: 1px solid var(--border-green);
    margin-top: 8px;
}
.file-attachment .file-icon {
    font-size: 28px;
}
.file-attachment .file-meta {
    flex: 1;
}
.file-attachment .file-name {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 2px;
}
.file-attachment .file-size {
    font-size: 12px;
    color: var(--text3);
}