/* ============================================
   Serika Hub - 导航门户
   配色与 NAS 子项目保持一致
   ============================================ */

:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --secondary: #7b2ff7;
    --accent: #00ff88;
    --bg-dark: #0a0e17;
    --bg-card: rgba(13, 20, 35, 0.55);
    --border-glow: rgba(0, 212, 255, 0.3);
    --text-primary: #e0e8f0;
    --text-secondary: #8899aa;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   背景：光晕 + 网格 + 扫描线
   ============================================ */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 12% 15%, rgba(0, 212, 255, 0.10), transparent 45%),
        radial-gradient(circle at 88% 80%, rgba(123, 47, 247, 0.12), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.tech-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.grid-line {
    position: absolute;
    background: rgba(0, 212, 255, 0.045);
}

.line-h {
    height: 1px;
    left: 0;
    right: 0;
}

.line-v {
    width: 1px;
    top: 0;
    bottom: 0;
}

.scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 140px;
    background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.045), transparent);
    animation: scanDown 9s linear infinite;
}

@keyframes scanDown {
    0%   { top: -140px; }
    100% { top: 100%; }
}

/* ============================================
   布局
   ============================================ */
.app {
    position: relative;
    z-index: 1;
    max-width: 1080px;
    margin: 0 auto;
    padding: 64px 24px 40px;
}

/* ============================================
   顶部标题区
   ============================================ */
.hero {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 44px;
    animation: fadeUp 0.6s ease-out both;
}

.hero-icon {
    width: 62px;
    height: 62px;
    flex-shrink: 0;
    border-radius: 18px;
    overflow: hidden;
    /* 图片加载完成前先显示渐变底色，避免闪白 */
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 0 26px rgba(0, 212, 255, 0.35);
    animation: pulse 3.2s ease-in-out infinite;
}

.hero-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 副标题已移除，标题单独占位 —— 整体往下压一点，跟 62px 图标的视觉重心对齐。
   嫌多嫌少就改下面这个 top 值。 */
.hero-text {
    position: relative;
    top: 8px;
}

.hero-text h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.2;
}

/* 分流提示气泡：只在「这次真的被分流了」时冒一下，十秒后自己收 */
.offload-note {
    position: fixed;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    z-index: 60;
    max-width: calc(100vw - 32px);
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 12.5px;
    color: var(--text-primary);
    background: rgba(13, 20, 35, 0.9);
    border: 1px solid var(--border-glow);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
    pointer-events: none;
    animation: fadeUp 0.35s ease-out both;
}
.offload-note[hidden] { display: none; }

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 5px;
    letter-spacing: 0.3px;
}

/* ============================================
   区块小标题
   ============================================ */
.section-head {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    margin-bottom: 18px;
    padding: 0;
    border: 0;
    font-family: inherit;
    text-align: left;
    color: inherit;
    background: none;
    cursor: pointer;
    animation: fadeUp 0.6s ease-out 0.08s both;
}

/* 分组之间留点空，折叠后也不会挤在一起 */
#sections > .section-head:not(:first-child) {
    margin-top: 30px;
}

.section-head:hover .section-title,
.section-head:hover .toggle-icon {
    color: var(--primary);
}

.section-head .bar {
    width: 3px;
    height: 15px;
    border-radius: 2px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.section-head .section-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.section-head .count {
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 2px 9px;
}

/* 折叠箭头：展开朝下，折叠后转成朝右 */
.section-head .toggle-icon {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-secondary);
    transition: transform 0.25s ease, color 0.2s ease;
}

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

/* 折叠状态 */
.grid.is-hidden {
    display: none;
}

.empty-hint {
    grid-column: 1 / -1;
    padding: 24px;
    text-align: center;
    font-size: 12.5px;
    color: var(--text-secondary);
    border: 1px dashed var(--glass-border);
    border-radius: 14px;
}

/* ============================================
   项目卡片网格
   ============================================ */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
    gap: 18px;
}

.card {
    position: relative;
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 22px 22px 20px;
    overflow: hidden;
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1),
                border-color 0.28s ease,
                box-shadow 0.28s ease;
    animation: fadeUp 0.5s ease-out both;
}

/* 卡片顶部扫光 */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--card-accent, var(--primary)), transparent);
    transition: left 0.6s ease;
}

.card:hover::before {
    left: 100%;
}

/* 卡片悬停光斑 */
.card::after {
    content: '';
    position: absolute;
    width: 190px;
    height: 190px;
    right: -70px;
    bottom: -90px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--card-glow, rgba(0, 212, 255, 0.16)), transparent 70%);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

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

.card:hover {
    transform: translateY(-5px);
    border-color: var(--card-border, var(--border-glow));
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.45),
                0 0 0 1px var(--card-border, var(--border-glow));
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
    color: #fff;
    background: linear-gradient(135deg, var(--card-accent, var(--primary)),
                                        var(--card-accent-2, var(--secondary)));
    box-shadow: 0 0 18px var(--card-glow, rgba(0, 212, 255, 0.28));
    margin-bottom: 15px;
    transition: transform 0.28s ease;
}

.card:hover .card-icon {
    transform: scale(1.06) rotate(-4deg);
}

.card-title {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-desc {
    font-size: 12.5px;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-top: 7px;
    padding-right: 12px;
}

.card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-top: 16px;
    font-size: 12px;
    color: var(--card-accent, var(--primary));
    opacity: 0.85;
}

/* 卡片左下角「进入 →」 */
.card-enter {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card-foot .arrow {
    transition: transform 0.28s ease;
}

.card:hover .card-foot .arrow {
    transform: translateX(4px);
}

/* 外链卡片的箭头斜着动，跟站内跳转区分开 */
.card:hover .card-foot .fa-arrow-up-right-from-square {
    transform: translate(3px, -3px);
}

/* 卡片右下角 GitHub 仓库小按钮 */
.card-repo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.card-repo:hover {
    color: var(--text-primary);
    border-color: var(--card-border, var(--border-glow));
    transform: translateY(-1px);
}

/* 右上角标签 */
.card-tag {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 11px;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 999px;
    color: var(--card-accent, var(--primary));
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

/* 状态小圆点 */
.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    flex-shrink: 0;
}

/* 服务健康状态（由 /api/health 实时更新） */
.status-dot.is-down {
    background: #ff6b6b;
    box-shadow: 0 0 8px #ff6b6b;
}

/* 灰点 = 不监测的项（比如外链），不是故障 */
.status-dot.is-unknown {
    background: var(--text-secondary);
    box-shadow: none;
    opacity: 0.45;
}

/* ============================================
   运维面板（彩蛋触发后才出现）
   ============================================ */
.ops-panel {
    display: none;
    margin-top: 30px;
}
.ops-panel.is-on {
    display: block;
    animation: fadeUp 0.4s ease-out both;
}

.ops-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.ops-head .bar {
    width: 3px;
    height: 15px;
    border-radius: 2px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}
.ops-head .section-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-primary);
}
.ops-updated {
    margin-left: auto;
    font-size: 11.5px;
    color: var(--text-secondary);
}

/* 仪表 */
.ops-panel .gauge {
    padding: 13px 16px;
    margin-bottom: 10px;
    border-radius: 13px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
}
.ops-panel .gauge:empty { display: none; }
.gauge-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    font-size: 12.5px;
    color: var(--text-secondary);
}
.gauge-head b {
    font-size: 17px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.gauge-track {
    height: 8px;
    margin-top: 9px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.07);
}
.gauge-fill {
    height: 100%;
    border-radius: 999px;
    /* 0.8s 略短于 1 秒的刷新间隔，能接着下一帧继续爬，看起来是连贯的。
       前提是别每秒重建 DOM —— 重建会让动画从 0 重来，那就是闪而不是丝滑了。 */
    transition: width 0.8s cubic-bezier(0.33, 1, 0.68, 1), background 0.4s ease;
}
.gauge-sub {
    margin-top: 7px;
    font-size: 11px;
    color: var(--text-secondary);
}

/* 访问节点切换 */
.node-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 0 0 18px;
}
.node-label {
    font-size: 11.5px;
    letter-spacing: 1px;
    color: var(--text-secondary);
}
.node-pill {
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    background: var(--glass-bg);
    border: 0.5px solid var(--glass-border);
}
.node-pill:hover { color: var(--text-primary); border-color: var(--border-glow); }
.node-pill.is-active {
    color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--border-glow);
}
.node-pill.is-lan {
    color: var(--accent);
    background: rgba(0, 255, 136, 0.08);
    border-color: rgba(0, 255, 136, 0.3);
}

/* 服务状态小胶囊 */
.ops-svcs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}
.ops-svcs:empty { display: none; }
.ops-svc {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 13px;
    border-radius: 999px;
    font-size: 11.5px;
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}
.ops-svc i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--accent);
    box-shadow: 0 0 7px var(--accent);
}
.ops-svc.is-bad i {
    background: #ff6b6b;
    box-shadow: 0 0 7px #ff6b6b;
}
.ops-svc .ms { color: var(--text-secondary); }

/* 底部汇总行 */
.ops-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 14px;
    padding-top: 13px;
    border-top: 1px solid var(--glass-border);
    font-size: 11.5px;
    color: var(--text-secondary);
}
.ops-foot:empty { display: none; }
.ops-foot b { color: var(--text-primary); font-weight: 500; }

.status-dot.maintenance {
    background: #ffb020;
    box-shadow: 0 0 8px #ffb020;
}

/* ============================================
   底部
   ============================================ */
.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 52px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    font-size: 12px;
    color: var(--text-secondary);
    animation: fadeUp 0.6s ease-out 0.2s both;
}

.footer .left {
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
}

.footer .left span {
    line-height: 1.5;
}

.footer i {
    color: var(--primary);
    flex-shrink: 0;
}

/* ============================================
   壁纸图层（可选）
   ============================================ */
#bgLayer {
    position: fixed;
    inset: 0;
    /* 用 0 而不是 -1：-1 要依赖「body 背景传播到画布」这一行为才可见，
       换成 0 之后靠 DOM 顺序压在最底，跨浏览器更稳（内容层是 z-index:1，仍在它之上） */
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

#bgLayer.is-on {
    opacity: 1;
}

/* 壁纸启用时压一层暗罩，保证正文可读。
   注意别调太浓（试过 0.72 会把壁纸压得几乎看不见，像没生效） */
.bg-mask {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: rgba(10, 14, 23, 0.45);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.bg-mask.is-on {
    opacity: 1;
}

/* ============================================
   壁纸切换按钮
   ============================================ */
.wp-btn {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 20;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 16px;
    color: var(--text-secondary);
    background: rgba(13, 20, 35, 0.6);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    cursor: pointer;
    transition: all 0.25s ease;
}

.wp-btn:hover {
    color: var(--primary);
    border-color: var(--border-glow);
    transform: translateY(-1px);
}

/* ============================================
   壁纸面板
   ============================================ */
.wp-panel {
    position: fixed;
    top: 74px;
    right: 24px;
    z-index: 21;
    width: 268px;
    padding: 14px;
    border-radius: 16px;
    background: rgba(13, 20, 35, 0.92);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top right;
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
}

.wp-panel.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.wp-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 11px;
    font-size: 13px;
    color: var(--text-primary);
}

.wp-head i {
    color: var(--primary);
    margin-right: 2px;
}

.wp-close {
    width: 24px;
    height: 24px;
    border: 0;
    border-radius: 7px;
    font-size: 17px;
    line-height: 1;
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.wp-close:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
}

.wp-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 9px;
    max-height: 54vh;
    overflow-y: auto;
}

.wp-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 6px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.wp-item:hover {
    border-color: var(--border-glow);
}

.wp-item.is-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.35);
}

.wp-item img {
    width: 100%;
    height: 56px;
    object-fit: cover;
    border-radius: 7px;
    display: block;
}

.wp-solid {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    border-radius: 7px;
    font-size: 15px;
    color: var(--primary);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.14), rgba(123, 47, 247, 0.14));
    border: 1px solid var(--glass-border);
}

.wp-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wp-empty {
    grid-column: 1 / -1;
    padding: 18px 8px;
    text-align: center;
    font-size: 12px;
    line-height: 1.7;
    color: var(--text-secondary);
}

@media (max-width: 640px) {
    .wp-btn {
        top: 14px;
        right: 14px;
        width: 36px;
        height: 36px;
        font-size: 15px;
    }
    .wp-panel {
        top: 58px;
        right: 14px;
        left: 14px;
        width: auto;
    }
    .wp-list {
        max-height: 46vh;
    }
}

/* ============================================
   动画
   ============================================ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 22px rgba(0, 212, 255, 0.30); }
    50%      { box-shadow: 0 0 34px rgba(0, 212, 255, 0.55); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   移动端
   ============================================ */
@media (max-width: 640px) {
    .app {
        padding: 40px 16px 30px;
    }

    .hero {
        gap: 14px;
        margin-bottom: 32px;
    }

    .hero-icon {
        width: 52px;
        height: 52px;
        font-size: 22px;
        border-radius: 15px;
    }

    .hero-text h1 {
        font-size: 22px;
    }

    .hero-text p {
        font-size: 12px;
    }

    .grid {
        grid-template-columns: 1fr;
        gap: 13px;
    }

    .card {
        padding: 18px;
    }

    .card-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
        margin-bottom: 12px;
    }

    .footer {
        margin-top: 38px;
        font-size: 11px;
        flex-wrap: wrap;
        gap: 8px;
    }
}
/* ---------- 系统状态：两台机器并排 ---------- */
.ops-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}
.ops-machine { min-width: 0; }
.ops-machine-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 12.5px;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}
.ops-machine-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'Cascadia Mono', Consolas, monospace;
    font-size: 11px;
    color: var(--text-secondary);
}
.ops-dot {
    width: 7px;
    height: 7px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
}
.ops-dot.is-ok {
    background: var(--accent);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
}
.ops-dot.is-bad {
    background: #ff6b6b;
    box-shadow: 0 0 8px rgba(255, 107, 107, 0.5);
}
.ops-state { font-size: 11px; letter-spacing: 0.5px; }
.ops-dot.is-ok + .ops-state { color: var(--accent); }
.ops-dot.is-bad + .ops-state { color: #ff6b6b; }

@media (max-width: 760px) {
    .ops-split { grid-template-columns: 1fr; gap: 26px; }
}

/* ============================================
   v2 全局丝滑增强（追加层，不覆盖既有规则）
   ============================================ */
:root {
    --ease-smooth: cubic-bezier(.22, .9, .34, 1);
}

@keyframes pageIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* 首次进入页面整体淡入 */
body { animation: pageIn 0.4s ease both; }

/* 状态点颜色/光晕切换过渡（健康检查刷新时不再跳变） */
.status-dot,
.ops-dot {
    transition: background 0.45s ease, box-shadow 0.45s ease, opacity 0.45s ease;
}

/* 所有可点击元素统一按压反馈（不覆盖已有 transform 的元素） */
.btn:active,
.card-btn:active,
.tab:active {
    transform: scale(0.95);
    transition-duration: 0.08s;
}

/* 可交互元素 hover 统一提亮 */
button {
    transition: color 0.2s ease, background 0.2s ease,
                border-color 0.2s ease, box-shadow 0.2s ease,
                transform 0.2s var(--ease-smooth), opacity 0.2s ease;
}

/* 输入框聚焦光晕 */
input:focus, textarea, select {
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.2s ease;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.10);
}

/* 平滑滚动 */
html { scroll-behavior: smooth; }

/* 减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}