:root {
    --bg1: #0b1020;
    --bg2: #0a0f1a;
    --brand: #4f8cff;
    --brand-2: #ff3b8a;
    --text: #e9eef6;
    --muted: #a7b0c2;
    --card-glass: linear-gradient(180deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .06));
    --radius: 22px;
    --pad: 26px;
    --shadow: 0 18px 60px rgba(0, 0, 0, .45);
    --t: .35s cubic-bezier(.2, .8, .2, 1);
}

* {
    box-sizing: border-box
}

html, body {
    height: 100%
}

body {
    margin: 0;
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Microsoft Yahei", sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100svh;
    background: radial-gradient(1000px 700px at 15% -10%, #2b4aff33, transparent 60%),
    radial-gradient(900px 600px at 110% 120%, #ff1f6a22, transparent 60%),
    linear-gradient(180deg, var(--bg1), var(--bg2));
}

.wrap {
    flex: 1;
    display: grid;
    place-items: center;
    padding: 32px 20px;
}

.card {
    width: min(950px, 94vw);
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 28px;
    padding: clamp(18px, 4vw, 28px);
    border-radius: var(--radius);
    background: var(--card-glass);
    border: 1px solid rgba(255, 255, 255, .14);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px) saturate(1.05);
}

@media (max-width: 860px) {
    .card {
        grid-template-columns: 1fr;
        gap: 18px
    }
}

/* 左侧内容 */
.title {
    margin: 0 0 6px;
    font-size: clamp(22px, 3.2vw, 36px);
    letter-spacing: .2px
}

.sub {
    margin: 0 0 18px;
    font-size: clamp(16px, 1.8vw, 18px); /* 字号稍大 */
    color: var(--brand); /* 用品牌色 */
    font-weight: 600; /* 半粗 */
}

.desc {
    margin: 12px 0 20px;
    padding: 12px 16px;
    border-left: 4px solid var(--brand);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text);
    line-height: 1.5;
}


.meta {
    margin: 12px 0 0;
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-size: 15px
}

.meta b {
    color: var(--text);
    font-weight: 600
}

.btns {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px
}

.btn {
    appearance: none;
    border: 0;
    cursor: pointer;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: .55em;
    background: var(--brand);
    color: #fff;
    box-shadow: 0 8px 28px rgba(79, 140, 255, .35);
    transition: transform var(--t), box-shadow var(--t), filter var(--t);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(79, 140, 255, .45);
}

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

.btn.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, .22);
    box-shadow: none;
}

.btn.ghost:hover {
    border-color: rgba(255, 255, 255, .36);
}

/* 右侧侧栏 */
.side {
    align-self: center;
    border-radius: 18px;
    padding: clamp(14px, 3vw, 20px);
    background: radial-gradient(120% 120% at 50% 0%, rgba(79, 140, 255, .18), rgba(255, 255, 255, .04)),
    linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .04));
    border: 1px solid rgba(255, 255, 255, .14);
}

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--brand), var(--brand-2));
}

.list {
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
    font-size: 15px
}

.list li {
    display: block;           /* ← 不用 flex */
    position: relative;
    padding-left: 1.2em;      /* 给自定义箭头留位置 */
}

.list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    top: .2em;
    color: var(--brand);
}


/* Logo 区 */
.logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 36px;
    flex-wrap: wrap;
    padding: 20px;
    margin-top: 14px;
}

.logos a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff; /* 白色衬底 */
    border-radius: 12px; /* 圆角 */
    padding: 8px 12px; /* 留点内边距 */
}

.logos a:hover {
    transform: translateY(-2px) scale(1.03);
}

.logos img {
    height: 42px;
    object-fit: contain;
    max-width: 120px;
}

/* 页脚 */
footer {
    text-align: center;
    color: var(--muted);
    padding: 10px 18px 26px;
    font-size: 14px;
}

@media (prefers-reduced-motion: reduce) {
    .btn, .logos a {
        transition: none !important;
    }
}