/* ========== 猪咪养殖场 - 共享样式 ========== */
/* Apple/ins premium glassmorphism + 猪咪主题 */

:root {
    --piggy: #ff69b4;
    --piggy-light: #ffa0c7;
    --piggy-dark: #e6176f;
    --navy: #1e3a8a;
    --navy-light: #7565e8;
    --mint: #22c55e;
    --bg: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #fbfbfd;
    --text: #1d1d1f;
    --text-secondary: #86868b;
    --text-tertiary: #afafb2;
    --border: rgba(0,0,0,0.06);
    --card-bg: rgba(255,255,255,0.72);
    --card-shadow: 0 2px 12px rgba(0,0,0,0.06);
    --card-shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --card-shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --card-shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
    --nav-bg: rgba(255,255,255,0.72);
    --nav-border: rgba(0,0,0,0.06);
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'PingFang SC', 'Noto Sans CJK SC', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
    --bg: #000000;
    --bg-secondary: #1c1c1e;
    --bg-tertiary: #2c2c2e;
    --text: #f5f5f7;
    --text-secondary: #98989d;
    --text-tertiary: #636366;
    --border: rgba(255,255,255,0.08);
    --card-bg: rgba(28,28,30,0.72);
    --card-shadow: 0 2px 12px rgba(0,0,0,0.3);
    --card-shadow-md: 0 4px 20px rgba(0,0,0,0.35);
    --card-shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
    --card-shadow-hover: 0 8px 30px rgba(0,0,0,0.5);
    --nav-bg: rgba(28,28,30,0.72);
    --nav-border: rgba(255,255,255,0.06);
}

/* ========== 全局防溢出 ========== */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition), color var(--transition);
    /* Animated gradient background — very subtle */
    background-attachment: fixed;
    background-size: 400% 400%;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(255,105,180,0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(117,101,232,0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(34,197,94,0.03) 0%, transparent 50%),
        linear-gradient(135deg, rgba(255,182,210,0.06) 0%, var(--bg) 30%, var(--bg) 70%, rgba(180,200,255,0.06) 100%);
    animation: bgShift 20s ease-in-out infinite;
}

.dark body,
body {
    position: relative;
}

/* Floating decorative orbs */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    filter: blur(80px);
}

body::before {
    top: -10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,105,180,0.07) 0%, transparent 70%);
    animation: floatOrb1 25s ease-in-out infinite;
}

body::after {
    bottom: -10%;
    left: -5%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(117,101,232,0.06) 0%, transparent 70%);
    animation: floatOrb2 30s ease-in-out infinite;
}

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

@keyframes floatOrb1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-30px, 40px) scale(1.05); }
    66% { transform: translate(20px, -20px) scale(0.95); }
}

@keyframes floatOrb2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -30px) scale(1.08); }
    66% { transform: translate(-25px, 30px) scale(0.92); }
}

/* ========== 导航栏 ========== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--nav-border);
    height: 52px;
    transition: background var(--transition);
}

/* Subtle glow line under nav */
.nav::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,105,180,0.3), rgba(117,101,232,0.3), transparent);
    pointer-events: none;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: -0.3px;
}

.nav-logo span { font-size: 22px; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: color var(--transition);
    letter-spacing: -0.1px;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--piggy);
    border-radius: 1px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.nav-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--piggy), var(--navy-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
}

/* 移动端菜单 */
.nav-mobile-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 4px;
}

.nav-mobile-menu {
    display: block;
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    z-index: 99;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding-top: 0;
    padding-bottom: 0;
}

.nav-mobile-menu.open {
    max-height: 400px;
    padding: 12px 24px 16px;
}

.nav-mobile-menu a {
    display: block;
    padding: 10px 0;
    text-decoration: none;
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

.nav-mobile-menu a:last-child { border-bottom: none; }

.mobile-theme-btn {
    display: block;
    width: 100%;
    padding: 10px 0;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
    position: relative;
    z-index: 1;
}

.mobile-theme-btn:active,
.mobile-theme-btn:hover {
    opacity: 0.6;
    background: var(--bg-secondary);
}

/* 确保手机菜单中的按钮可点击 */
.nav-mobile-menu button {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-right { display: none; }
    .nav-mobile-btn { display: block; }
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-xs);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: -0.1px;
    font-family: var(--font);
    position: relative;
    overflow: hidden;
}

/* Subtle shimmer on buttons */
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: linear-gradient(135deg, var(--piggy), var(--piggy-dark));
    color: #fff;
    box-shadow: 0 2px 8px rgba(255,105,180,0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(255,105,180,0.4), 0 0 40px rgba(255,105,180,0.15);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: scale(0.97) translateY(0);
    box-shadow: 0 2px 8px rgba(255,105,180,0.25);
}

.btn-secondary {
    background: rgba(255,255,255,0.6);
    color: var(--text);
    border: 1.5px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--text-tertiary);
    background: rgba(245,245,247,0.8);
    box-shadow: var(--card-shadow-md);
}

.btn-secondary:active {
    transform: scale(0.97);
}

.dark .btn-secondary {
    background: rgba(28,28,30,0.6);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 12px;
}

.btn-ghost:hover { color: var(--text); }

.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-sm); }

/* ========== 卡片 ========== */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,105,180,0), rgba(117,101,232,0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    transition: background var(--transition);
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.card:hover::before {
    background: linear-gradient(135deg, rgba(255,105,180,0.15), rgba(117,101,232,0.15));
}

.card-body { padding: 20px; }

/* ========== 页面布局 ========== */
.page {
    min-height: 100vh;
    padding-top: 52px;
}

.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px 80px;
}

.section {
    margin-bottom: 48px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ========== 统计卡片 ========== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.stat-card {
    text-align: center;
    padding: 24px 16px;
    position: relative;
    overflow: hidden;
}

/* Colored top border accent */
.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    border-radius: 0 0 3px 3px;
    background: linear-gradient(90deg, var(--piggy), var(--navy-light));
    opacity: 0;
    transition: opacity var(--transition);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-card:nth-child(1) { background: linear-gradient(135deg, rgba(255,105,180,0.04), rgba(255,255,255,0)); }
.stat-card:nth-child(2) { background: linear-gradient(135deg, rgba(34,197,94,0.04), rgba(255,255,255,0)); }
.stat-card:nth-child(3) { background: linear-gradient(135deg, rgba(117,101,232,0.04), rgba(255,255,255,0)); }
.stat-card:nth-child(4) { background: linear-gradient(135deg, rgba(59,130,246,0.04), rgba(255,255,255,0)); }

.dark .stat-card:nth-child(1) { background: linear-gradient(135deg, rgba(255,105,180,0.06), transparent); }
.dark .stat-card:nth-child(2) { background: linear-gradient(135deg, rgba(34,197,94,0.06), transparent); }
.dark .stat-card:nth-child(3) { background: linear-gradient(135deg, rgba(117,101,232,0.06), transparent); }
.dark .stat-card:nth-child(4) { background: linear-gradient(135deg, rgba(59,130,246,0.06), transparent); }

.stat-value {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========== 节点列表 ========== */
.node-list {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.node-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    border-left: 3px solid transparent;
    transition: all var(--transition);
}

.node-item:last-child { border-bottom: none; }
.node-item:hover {
    background: var(--bg-secondary);
    border-left-color: var(--piggy);
}

.node-info { display: flex; align-items: center; gap: 10px; }

.node-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.node-dot.online { background: var(--mint); box-shadow: 0 0 8px rgba(34,197,94,0.5); }
.node-dot.maintenance { background: #f59e0b; }
.node-dot.offline { background: #ef4444; }

.node-name { font-size: 14px; font-weight: 500; }
.node-status { font-size: 12px; font-weight: 500; }
.node-status.online { color: var(--mint); }
.node-status.maintenance { color: #f59e0b; }
.node-status.offline { color: #ef4444; }

/* ========== 搜索框 ========== */
.search-box {
    position: relative;
    margin-bottom: 16px;
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text);
    font-size: 14px;
    font-family: var(--font);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box input:focus {
    border-color: var(--piggy);
    box-shadow: 0 0 0 3px rgba(255,105,180,0.1);
}

.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

/* ========== Tab ========== */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition);
    font-family: var(--font);
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--piggy); border-bottom-color: var(--piggy); }

.tab-content { display: none; padding: 24px 0; }
.tab-content.active { display: block; }

/* ========== FAQ ========== */
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    overflow: hidden;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: box-shadow var(--transition);
}

.faq-item:hover {
    box-shadow: var(--card-shadow-md);
}

.faq-question {
    width: 100%;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    text-align: left;
    font-family: var(--font);
    transition: background var(--transition);
}

.faq-question:hover { background: var(--bg-secondary); }

.faq-question svg {
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: transform 0.3s ease;
}

.faq-item.open .faq-question svg { transform: rotate(180deg); }

.faq-answer {
    display: none;
    padding: 0 20px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item.open .faq-answer { display: block; }

/* ========== Toast ========== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--card-shadow-lg);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show { transform: translateY(0); opacity: 1; }

/* ========== 控制台弹窗 ========== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 150;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.open { display: flex; }

.modal {
    background: var(--card-bg);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    animation: modalIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.92) translateY(16px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    padding: 24px 24px 0;
    text-align: center;
}

.modal-body { padding: 20px 24px 24px; }

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition), transform var(--transition-fast);
}

.modal-close:hover {
    color: var(--text);
    transform: rotate(90deg);
}

/* ========== 表单 ========== */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text);
    font-size: 15px;
    font-family: var(--font);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-input:focus {
    border-color: var(--piggy);
    box-shadow: 0 0 0 3px rgba(255,105,180,0.1), 0 0 20px rgba(255,105,180,0.05);
    background: rgba(255,255,255,0.8);
}

.dark .form-input {
    background: rgba(28,28,30,0.5);
}

.dark .form-input:focus {
    background: rgba(28,28,30,0.8);
}

.form-input::placeholder { color: var(--text-tertiary); }

.form-error {
    font-size: 13px;
    color: #ef4444;
    text-align: center;
    margin-top: 8px;
    display: none;
}

.form-error.show { display: block; }

/* ========== 教程步骤 ========== */
.step-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    position: relative;
}

.step-card {
    padding: 24px;
    text-align: center;
    position: relative;
}

/* 步骤连接线 — 桌面端横向 */
@media (min-width: 769px) {
    .step-card:not(:last-child)::after {
        content: '';
        position: absolute;
        right: -10px;
        top: 50%;
        width: 20px;
        height: 0;
        border-top: 2px dashed var(--border);
        z-index: 1;
    }
    .step-card:not(:last-child)::before {
        content: '❯';
        position: absolute;
        right: -18px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 12px;
        color: var(--text-tertiary);
        z-index: 1;
    }
}

/* 步骤连接线 — 移动端竖向 */
@media (max-width: 768px) {
    .step-card:not(:last-child)::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 50%;
        height: 20px;
        width: 0;
        border-left: 2px dashed var(--border);
        z-index: 1;
    }
    .step-card:not(:last-child)::before {
        content: '❮';
        position: absolute;
        bottom: -18px;
        left: 50%;
        transform: translateX(-50%) rotate(-90deg);
        font-size: 12px;
        color: var(--text-tertiary);
        z-index: 1;
    }
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.step-number.s1 { background: linear-gradient(135deg, var(--piggy), var(--piggy-dark)); box-shadow: 0 4px 12px rgba(255,105,180,0.3); }
.step-number.s2 { background: linear-gradient(135deg, var(--navy), var(--navy-light)); box-shadow: 0 4px 12px rgba(117,101,232,0.3); }
.step-number.s3 { background: linear-gradient(135deg, var(--mint), #16a34a); box-shadow: 0 4px 12px rgba(34,197,94,0.3); }

.step-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ========== 客户端卡片 ========== */
.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
}

.client-card {
    padding: 24px;
    position: relative;
    overflow: visible;
}

.client-badge {
    position: absolute;
    top: -10px;
    left: 20px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
}

.client-icon { font-size: 28px; margin-bottom: 12px; }
.client-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.client-platforms { font-size: 12px; color: var(--text-tertiary); margin-bottom: 12px; }
.client-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.6; }

.client-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }

.client-tag {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(255,105,180,0.08);
    color: var(--piggy);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.dark .client-tag { background: rgba(255,105,180,0.15); }

/* ========== 提示卡片 ========== */
.tip-card {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(255,105,180,0.06), rgba(117,101,232,0.06));
    border: 1px solid rgba(255,105,180,0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.dark .tip-card {
    background: linear-gradient(135deg, rgba(255,105,180,0.1), rgba(117,101,232,0.1));
    border-color: rgba(255,105,180,0.2);
}

.tip-icon { font-size: 20px; flex-shrink: 0; }
.tip-text { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.tip-text strong { color: var(--text); }

/* ========== 页脚 ========== */
.footer {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.footer a { color: var(--text-secondary); text-decoration: none; transition: color var(--transition); }
.footer a:hover { color: var(--piggy); }

/* ========== 工具类 ========== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-piggy { color: var(--piggy); }
.text-mint { color: var(--mint); }
.text-navy { color: var(--navy-light); }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid { display: grid; }

/* ========== 动画 ========== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.fade-in-d1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-d2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-d3 { animation-delay: 0.3s; opacity: 0; }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.node-dot.online { animation: pulse-dot 2s ease-in-out infinite; }

/* ========== 认证页面增强 (login/register) ========== */
/* Animated floating blobs */
.auth-page {
    position: relative;
}

.auth-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

/* Animated background blobs for auth pages */
.auth-bg::before,
.auth-bg::after {
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.7;
}

@keyframes authBlob1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -50px) scale(1.1); }
    50% { transform: translate(-20px, 30px) scale(0.9); }
    75% { transform: translate(40px, 20px) scale(1.05); }
}

@keyframes authBlob2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(-40px, 30px) scale(0.95); }
    50% { transform: translate(30px, -40px) scale(1.1); }
    75% { transform: translate(-20px, -30px) scale(1); }
}

.auth-bg::before {
    animation: authBlob1 15s ease-in-out infinite;
}

.auth-bg::after {
    animation: authBlob2 20s ease-in-out infinite;
}

/* Frosted glass auth card */
.auth-card {
    background: rgba(255,255,255,0.6) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.6) !important;
}

.dark .auth-card {
    background: rgba(28,28,30,0.6) !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05) !important;
}

/* Shimmer animation on auth logo */
.auth-logo {
    position: relative;
    overflow: hidden;
}

.auth-logo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 30%,
        rgba(255,255,255,0.3) 45%,
        rgba(255,255,255,0.5) 50%,
        rgba(255,255,255,0.3) 55%,
        transparent 70%
    );
    transform: translateX(-100%);
    animation: shimmer 3s ease-in-out infinite;
    border-radius: inherit;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    50%, 100% { transform: translateX(100%); }
}

/* ========== 猪咪养殖场 - 附加样式 ========== */
/* Node item hover glow */
.node-item:hover .node-dot.online {
    box-shadow: 0 0 12px rgba(34,197,94,0.6);
}

/* Announcement card glassmorphism */
#announcementArea .card {
    background: rgba(255,105,180,0.04);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.dark #announcementArea .card {
    background: rgba(255,105,180,0.06);
}

/* ========== 壁纸背景 ========== */
.wallpaper-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: -2;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.wallpaper-overlay {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: -1;
    background: linear-gradient(
        135deg,
        rgba(255,255,255,0.82) 0%,
        rgba(255,255,255,0.7) 40%,
        rgba(255,240,245,0.75) 60%,
        rgba(240,245,255,0.82) 100%
    );
    backdrop-filter: blur(30px) saturate(120%);
    -webkit-backdrop-filter: blur(30px) saturate(120%);
}

.dark .wallpaper-overlay {
    background: linear-gradient(
        135deg,
        rgba(0,0,0,0.88) 0%,
        rgba(0,0,0,0.82) 40%,
        rgba(20,10,30,0.85) 60%,
        rgba(10,15,30,0.88) 100%
    );
}

/* ========== 骨架屏加载 ========== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 6px;
}

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

.skeleton-text { height: 14px; margin-bottom: 8px; }
.skeleton-text.w60 { width: 60%; }
.skeleton-circle { width: 40px; height: 40px; border-radius: 50%; }
.skeleton-card { height: 100px; border-radius: var(--radius); }

/* ========== 移动端修复 ========== */
body { overflow-x: hidden; }

@media (max-width: 768px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .step-grid { grid-template-columns: 1fr !important; }
    .client-grid { grid-template-columns: 1fr !important; }
    .nav-inner { padding: 0 16px; }
    .page-content { padding: 20px 16px 60px; }
    .section-title { font-size: 22px; }
    .footer { padding: 24px 16px; }
    /* 赞助区域移动端单列显示，防止二维码被截断 */
    .sponsor-grid { grid-template-columns: 1fr !important; max-width: 100% !important; }
    .sponsor-grid .qr-box { width: 180px !important; height: 180px !important; }
    /* 手机端关闭高耗能装饰效果 */
    body::before, body::after { display: none !important; }
    body { animation: none !important; background-size: 100% 100% !important; }
}

@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr 1fr !important; }
    .stat-card { padding: 16px 8px; }
    .stat-value { font-size: 24px; }
    .stat-label { font-size: 11px; }
}

/* 尊重用户系统偏好：减少动画 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    body::before, body::after { display: none !important; }
    body { animation: none !important; background-size: 100% 100% !important; }
}

/* Auth card dark mode */
.dark .auth-card {
    background: rgba(28,28,30,0.85) !important;
}

/* ========== 页面过渡动画 ========== */
.page { animation: pageFadeIn 0.3s ease forwards; }

@keyframes pageFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== API 错误兜底 ========== */
.error-state {
    text-align: center;
    padding: 48px 24px;
}

.error-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.6;
}

.error-state-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.error-state-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ========== 数字滚动动画 ========== */
.stat-value[data-target] {
    transition: opacity 0.3s ease;
}
.stat-value[data-target].counting {
    opacity: 0.7;
}

/* ========== 控制台 ========== */
.dash-container {
    max-width: 860px;
    padding: 24px 24px 60px;
}

.dash-grid {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.dash-left {
    flex: 1;
    min-width: 0;
}

.dash-right {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: 68px;
}

@media (max-width: 768px) {
    .dash-container {
        max-width: 100%;
        padding: 20px 16px 60px;
    }
    .dash-grid {
        flex-direction: column;
        gap: 0;
    }
    .dash-left {
        width: 100%;
    }
    .dash-right {
        width: 100%;
        position: static;
        order: -1;
    }
    /* 统计和操作横向铺满 */
    .dash-stats, .dash-actions {
        grid-template-columns: repeat(3, 1fr);
    }
    /* 订阅卡片移动端加大 */
    .sub-acc-section .card-body {
        padding: 20px 16px;
    }
    .sub-acc-row {
        padding: 0 16px;
        min-height: 52px;
    }
    .sub-acc-name {
        font-size: 15px;
    }
    .sub-acc-icon {
        font-size: 20px;
    }
    .sub-acc-body-inner {
        padding: 0 16px 16px;
    }
    .sub-acc-qr {
        width: 160px;
        height: 160px;
    }
}

.dash-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.dash-avatar {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--piggy), var(--navy-light));
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(255,105,180,0.25);
}

.dash-greeting {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.dash-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* 快捷统计 */
.dash-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.dash-stat-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 12px;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.dash-stat-icon {
    display: block;
    font-size: 20px;
    margin-bottom: 4px;
}

.dash-stat-val {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}

.dash-stat-label {
    display: block;
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* 加载中省略号动画 */
.dash-loading {
    display: inline-block;
    animation: dashPulse 1.2s ease-in-out infinite;
    color: var(--text-tertiary);
    font-weight: 400;
}
@keyframes dashPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 快捷操作 */
.dash-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.dash-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.dash-action-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--piggy);
    transform: translateY(-2px);
}

.dash-action-btn:active {
    transform: translateY(0);
}

.dash-action-icon {
    font-size: 24px;
}

.dash-action-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* 用户信息卡片 */
.dash-info-card {
    overflow: hidden;
}

.dash-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.dash-plan-badge {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(34,197,94,0.1);
    color: var(--mint);
    font-weight: 600;
}

.dash-info-grid {
    padding: 8px 20px;
}

.dash-info-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.dash-info-item:last-child {
    border-bottom: none;
}

.dash-info-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.dash-info-val {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.dash-info-actions {
    display: flex;
    gap: 8px;
    padding: 12px 20px 16px;
    flex-wrap: wrap;
}

.dash-info-actions .btn {
    flex: 1;
    min-width: 0;
    justify-content: center;
}

/* 复制按钮反馈 */
.sub-copy-btn {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    white-space: nowrap;
}

.sub-copy-btn:hover {
    border-color: var(--piggy);
    color: var(--piggy);
}

.sub-copy-btn.copied {
    background: var(--mint);
    border-color: var(--mint);
    color: #fff;
    transform: scale(1.05);
}

/* 空状态 */
.dash-empty {
    text-align: center;
    padding: 32px 16px;
}

.dash-empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.6;
}

.dash-empty-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.dash-empty-hint {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* 订阅区块头部 */
.dash-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}

@media (max-width: 768px) {
    .dash-stats { gap: 8px; }
    .dash-stat-item { padding: 12px 8px; }
    .dash-stat-val { font-size: 15px; }
    .dash-stat-label { font-size: 11px; }
    .dash-actions { gap: 8px; }
    .dash-action-btn { padding: 14px 8px; }
    .dash-action-icon { font-size: 22px; }
    .dash-action-text { font-size: 11px; }
    .dash-section-header { flex-direction: column; }
}

/* 订阅折叠面板 */
.sub-acc-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.sub-acc-item:hover {
    border-color: rgba(255,105,180,0.3);
}

.sub-acc-item.open {
    border-color: rgba(255,105,180,0.4);
}

.sub-acc-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    min-height: 48px;
}

.sub-acc-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    cursor: pointer;
    padding: 12px 0;
    -webkit-tap-highlight-color: transparent;
}

.sub-acc-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.sub-acc-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.sub-acc-arrow {
    color: var(--text-tertiary);
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.sub-acc-item.open .sub-acc-arrow {
    transform: rotate(180deg);
}

.sub-acc-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.sub-acc-item.open .sub-acc-body {
    max-height: 300px;
}

.sub-acc-body-inner {
    padding: 0 16px 16px;
}

.sub-acc-qr {
    width: 160px;
    height: 160px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

@media (max-width: 768px) {
    .sub-acc-qr {
        width: 140px;
        height: 140px;
    }
}