/* ===== DESIGN.md tokens ================================================
   配色、圆角、字阶、间距严格取自根目录 DESIGN.md 的「space」领域 token
   集，勿在本文件内新增规范外的色值、圆角或字号。字体按 DESIGN.md 的四大
   角色（display / serif / sans / mono）承担，全部带系统字体兜底栈。
   ===================================================================== */
:root[data-domain="space"], .theme-launch {
    /* colors */
    --wd-primary: #4361ee;
    --wd-on-primary: #ffffff;
    --wd-ink: #eaf0ff;
    --wd-ink-soft: #c8d3ef;
    --wd-body: #8895b3;
    --wd-hairline: #1a2440;
    --wd-canvas: #050914;
    --wd-canvas-soft: #0c1326;
    --wd-link: #ffb703;
    --wd-footer-bg: #0c1326;
    --wd-footer-ink: #eaf0ff;
    /* spacing — 4px 基数 */
    --wd-xxs: 2px;
    --wd-xs: 4px;
    --wd-sm: 8px;
    --wd-md: 12px;
    --wd-lg: 16px;
    --wd-xl: 20px;
    --wd-2xl: 24px;
    --wd-3xl: 32px;
    --wd-4xl: 48px;
    --wd-5xl: 64px;
    /* rounded — 领域自适应圆角 */
    --wd-radius: 0px;
    --wd-radius-card: 16px;
    --wd-r-full: 9999px;
    /* type roles */
    --wd-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
    --wd-serif: Georgia, "Times New Roman", Times, serif;
    --wd-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
    --wd-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
}

/* ===== 页面底与基础排版 ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

.theme-launch {
    margin: 0;
    background: var(--wd-canvas);
    color: var(--wd-ink);
    font-family: var(--wd-sans);
    font-size: 17px;
    line-height: 1.45;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.lw-main {
    min-height: 80vh;
}

/* ===== masthead-band / nav-bar ===== */
.lw-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: color-mix(in srgb, var(--wd-canvas) 92%, transparent);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--wd-hairline);
}

.lw-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--wd-lg);
    padding: var(--wd-md) var(--wd-xl);
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

.lw-brand {
    font-family: var(--wd-display);
    font-weight: 700;
    color: var(--wd-ink);
    text-decoration: none;
    font-size: 32px;
    line-height: 35.2px;
    letter-spacing: -0.3px;
    display: inline-flex;
    align-items: center;
    gap: var(--wd-sm);
    min-width: 0;
}

.lw-brand:hover {
    opacity: 0.85;
}

.lw-nav {
    display: flex;
    align-items: center;
    gap: var(--wd-xl);
}

.lw-nav a {
    color: var(--wd-ink);
    text-decoration: none;
    font-family: var(--wd-sans);
    font-size: 14px;
    font-weight: 700;
    line-height: 18px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    padding: var(--wd-xs) 0;
    transition: color 0.15s ease;
}

.lw-nav a:hover {
    color: var(--wd-link);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.lw-menu-toggle {
    display: none;
    text-decoration: none;
    color: inherit;
}

/* ===== category-eyebrow ===== */
.lw-kicker {
    color: var(--wd-link);
    text-transform: uppercase;
    margin-bottom: var(--wd-sm);
    font-family: var(--wd-mono);
    font-size: 13px;
    font-weight: 700;
    line-height: 18px;
    letter-spacing: 0.4px;
}

/* ===== 广告位：与正文保持 24px 以上视觉隔离 ===== */
.lw-ad:has(.ad) {
    margin: var(--wd-4xl) 0;
    padding: var(--wd-2xl) 0;
    border-top: 1px solid var(--wd-hairline);
    border-bottom: 1px solid var(--wd-hairline);
    text-align: center;
    background: var(--wd-canvas);
}

/* ===== 通用页头 ===== */
.lw-page-head {
    padding-bottom: var(--wd-lg);
    margin-bottom: var(--wd-3xl);
    border-bottom: 1px solid var(--wd-hairline);
}

.lw-page-head h1 {
    font-family: var(--wd-display);
    font-weight: 700;
    margin: var(--wd-sm) 0;
    overflow-wrap: break-word;
    font-size: 48px;
    line-height: 52.8px;
    letter-spacing: -0.4px;
}

.lw-page-head p {
    color: var(--wd-body);
    margin: 0;
    font-family: var(--wd-serif);
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.09px;
}

.lw-page-head a {
    color: var(--wd-link);
    font-weight: 700;
    text-decoration: underline;
}

/* ===== 列表 / 卡片 ===== */
.lw-wrap {
    max-width: 1400px;
    margin: auto;
    padding: var(--wd-3xl) var(--wd-xl) var(--wd-4xl);
}

.lw-with-side {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--wd-4xl);
}

.lw-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--wd-3xl) var(--wd-2xl);
}

.lw-card {
    display: flex;
    flex-direction: column;
    background: var(--wd-canvas-soft);
    color: var(--wd-ink);
    border: 1px solid var(--wd-hairline);
    border-radius: var(--wd-radius-card);
    overflow: hidden;
    text-decoration: none;
    padding: 0 0 var(--wd-lg);
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.lw-card:hover {
    border-color: var(--wd-primary);
    transform: translateY(-1px);
}

.lw-card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    margin-bottom: var(--wd-md);
    background: var(--wd-hairline);
}

.lw-card .lw-kicker, .lw-card h2, .lw-card p {
    padding: 0 var(--wd-lg);
}

.lw-card h2 {
    font-family: var(--wd-sans);
    font-weight: 700;
    margin: 0 0 var(--wd-sm);
    font-size: 20px;
    line-height: 26px;
    letter-spacing: -0.28px;
}

.lw-card:hover h2 {
    text-decoration: underline;
}

.lw-card p {
    color: var(--wd-body);
    margin: 0;
    font-family: var(--wd-serif);
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.09px;
}

.lw-card-plain {
    padding: var(--wd-xl);
}

.lw-card-plain .lw-kicker, .lw-card-plain h2, .lw-card-plain p {
    padding: 0;
}

.lw-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--wd-4xl) 0;
    color: var(--wd-body);
    font-family: var(--wd-serif);
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.09px;
}

.lw-pager {
    margin-top: var(--wd-3xl);
    padding-top: var(--wd-2xl);
    border-top: 1px solid var(--wd-hairline);
}

.lw-pager nav {
    display: flex;
    justify-content: center;
    gap: var(--wd-sm);
    flex-wrap: wrap;
}

/* ===== 侧栏 ===== */
.lw-side {
    display: flex;
    flex-direction: column;
    gap: var(--wd-3xl);
    min-width: 0;
}

.lw-side-box {
    display: flex;
    flex-direction: column;
    background: var(--wd-canvas);
    border-radius: var(--wd-radius);
}

.lw-side-box h3 {
    margin: 0 0 var(--wd-sm);
    padding-bottom: var(--wd-sm);
    border-bottom: 2px solid var(--wd-primary);
    text-transform: uppercase;
    color: var(--wd-ink);
    font-family: var(--wd-mono);
    font-size: 13px;
    font-weight: 700;
    line-height: 18px;
    letter-spacing: 0.4px;
}

.lw-side-box a {
    display: block;
    color: var(--wd-ink);
    text-decoration: none;
    padding: var(--wd-lg) 0;
    border-bottom: 1px solid var(--wd-hairline);
    font-family: var(--wd-sans);
    font-size: 17px;
    font-weight: 700;
    line-height: 22px;
    letter-spacing: -0.144px;
    transition: background-color 0.15s ease, padding-left 0.15s ease;
}

.lw-side-box a:hover {
    text-decoration: underline;
    background: var(--wd-canvas-soft);
    padding-left: var(--wd-xs);
}

/* ===== 长文型页面（about / contact） ===== */
.lw-prose-wrap {
    max-width: 760px;
    margin: auto;
}

.lw-panel {
    background: var(--wd-canvas);
    border-radius: var(--wd-radius);
}

.lw-panel h2 {
    font-family: var(--wd-display);
    font-weight: 700;
    margin: var(--wd-3xl) 0 var(--wd-md);
    font-size: 26px;
    line-height: 30px;
}

.lw-panel h2:first-child {
    margin-top: 0;
}

.lw-panel p {
    color: var(--wd-ink);
    margin: 0 0 var(--wd-lg);
    font-family: var(--wd-serif);
    font-size: 19px;
    line-height: 31.35px;
    letter-spacing: 0.108px;
}

.lw-source-list {
    list-style: none;
    padding: 0;
    margin: var(--wd-lg) 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 0;
}

.lw-source-list li {
    padding: var(--wd-md) 0;
    border-bottom: 1px solid var(--wd-hairline);
    color: var(--wd-body);
    font-family: var(--wd-mono);
    font-size: 13px;
    line-height: 18px;
    letter-spacing: 0.4px;
    overflow-wrap: anywhere;
}

.lw-flash {
    padding: var(--wd-md) var(--wd-lg);
    margin-bottom: var(--wd-2xl);
    border: 1px solid var(--wd-primary);
    border-radius: var(--wd-radius);
    color: var(--wd-ink);
    font-family: var(--wd-sans);
    font-size: 14px;
    line-height: 18px;
    letter-spacing: 0.4px;
}

/* ===== 表单：触控高度 >= 44px ===== */
.lw-form {
    display: flex;
    flex-direction: column;
    gap: var(--wd-2xl);
}

.lw-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--wd-2xl);
}

.lw-form label {
    display: flex;
    flex-direction: column;
    gap: var(--wd-sm);
}

.lw-form span {
    color: var(--wd-ink);
    text-transform: uppercase;
    font-family: var(--wd-mono);
    font-size: 13px;
    font-weight: 700;
    line-height: 18px;
    letter-spacing: 0.4px;
}

.lw-form input, .lw-form textarea {
    width: 100%;
    box-sizing: border-box;
    background: var(--wd-canvas-soft);
    color: var(--wd-ink);
    border: 1px solid var(--wd-hairline);
    border-radius: var(--wd-radius);
    padding: var(--wd-md) var(--wd-lg);
    min-height: 44px;
    font-family: var(--wd-sans);
    font-size: 17px;
    line-height: 20px;
}

.lw-form input:focus, .lw-form textarea:focus {
    outline: 2px solid var(--wd-primary);
    outline-offset: 1px;
}

.lw-form button {
    align-self: flex-start;
    background: var(--wd-primary);
    color: var(--wd-on-primary);
    border: none;
    border-radius: var(--wd-radius);
    padding: 10px var(--wd-2xl);
    cursor: pointer;
    font-family: var(--wd-sans);
    font-size: 16px;
    font-weight: 700;
    line-height: 20px;
    letter-spacing: 0.3px;
    min-height: 44px;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.lw-form button:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

/* ===== footer ===== */
.lw-footer {
    background: var(--wd-footer-bg);
    color: var(--wd-footer-ink);
    padding: var(--wd-4xl) var(--wd-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--wd-2xl);
    font-family: var(--wd-sans);
    font-size: 14px;
    line-height: 18px;
    letter-spacing: 0.4px;
}

.lw-footer nav {
    display: flex;
    gap: var(--wd-2xl);
}

.lw-footer a {
    color: var(--wd-footer-ink);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}

.lw-footer a:hover {
    text-decoration: underline;
}

/* ===== 合规页（privacy / terms） ===== */
.lw-breadcrumb {
    color: var(--wd-body);
    margin-bottom: var(--wd-2xl);
    font-family: var(--wd-sans);
    font-size: 14px;
    line-height: 18px;
    letter-spacing: 0.4px;
}

.lw-breadcrumb a {
    color: var(--wd-body);
    text-decoration: none;
    display: inline-block;
    padding: var(--wd-sm) 0;
}

.lw-breadcrumb a:hover {
    color: var(--wd-link);
    text-decoration: underline;
}

.lw-breadcrumb .is-current {
    color: var(--wd-ink);
}

.lw-legal {
    max-width: 760px;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.lw-legal h1 {
    font-family: var(--wd-display);
    font-weight: 700;
    margin: 0 0 var(--wd-2xl);
    padding-bottom: var(--wd-lg);
    border-bottom: 2px solid var(--wd-primary);
    font-size: 48px;
    line-height: 52.8px;
    letter-spacing: -0.4px;
}

.lw-legal h2 {
    font-family: var(--wd-display);
    font-weight: 700;
    margin: var(--wd-4xl) 0 var(--wd-lg);
    font-size: 26px;
    line-height: 30px;
}

.lw-legal h3 {
    font-family: var(--wd-sans);
    font-weight: 700;
    margin: var(--wd-3xl) 0 var(--wd-md);
    font-size: 20px;
    line-height: 24px;
    letter-spacing: -0.28px;
}

.lw-legal h4 {
    font-family: var(--wd-sans);
    font-weight: 700;
    margin: var(--wd-2xl) 0 var(--wd-sm);
    font-size: 17px;
    line-height: 22px;
    letter-spacing: -0.144px;
}

.lw-legal p {
    color: var(--wd-ink);
    margin: var(--wd-lg) 0;
    font-family: var(--wd-serif);
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.09px;
}

.lw-legal p.is-strong {
    font-weight: 700;
}

.lw-legal a {
    color: var(--wd-link);
    text-decoration: underline;
}

.lw-legal ul {
    margin: var(--wd-lg) 0;
    padding-left: var(--wd-xl);
    font-family: var(--wd-serif);
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.09px;
}

.lw-legal li {
    margin: var(--wd-sm) 0;
}

.lw-legal-updated {
    margin-top: var(--wd-4xl);
    padding-top: var(--wd-2xl);
    border-top: 1px solid var(--wd-hairline);
}

.lw-legal-updated p {
    color: var(--wd-body);
    font-family: var(--wd-mono);
    font-size: 13px;
    line-height: 18px;
    letter-spacing: 0.4px;
}

/* ===== 通用响应式 ===== */
@media (max-width: 1023px) {
    .lw-with-side {
        grid-template-columns: minmax(0, 1fr);
    }
    .lw-page-head h1 {
        font-size: 36px;
        line-height: 40px;
        letter-spacing: -0.3px;
    }
    .lw-legal h1 {
        font-size: 36px;
        line-height: 40px;
        letter-spacing: -0.3px;
    }
}

@media (max-width: 767px) {
    .lw-wrap {
        padding: var(--wd-2xl) var(--wd-lg) var(--wd-3xl);
    }
    .lw-form-row {
        grid-template-columns: 1fr;
    }
    .lw-page-head h1, .lw-legal h1 {
        font-size: 28px;
        line-height: 32px;
        letter-spacing: 0;
    }
    .lw-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
        cursor: pointer;
        font-family: var(--wd-sans);
        font-size: 22px;
        line-height: 24px;
        color: var(--wd-ink);
        user-select: none;
    }
    .lw-nav {
        display: none;
        flex-direction: column;
        gap: var(--wd-xs);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--wd-canvas);
        border-bottom: 1px solid var(--wd-primary);
        padding: var(--wd-md) var(--wd-xl);
        z-index: 50;
    }
    .lw-nav a {
        display: flex;
        align-items: center;
        min-height: 44px;
        font-size: 15px;
        border-bottom: 1px solid var(--wd-hairline);
    }
    .lw-nav a:last-child {
        border-bottom: none;
    }
    .lw-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--wd-xl);
    }
    .lw-footer nav {
        flex-wrap: wrap;
        gap: var(--wd-lg);
    }
    .lw-brand {
        font-size: 24px;
        line-height: 28px;
    }
}

/* ===== 骨架：满幅星野首屏 + T-minus 发射时间轴 =====================
   本主题首屏是一块通栏星野 (sky)，头条压在星野上；正文区不是网格也不
   是瀑布流，而是一条严格单列的发射时间轴：左侧 T-01/T-02 刻度与轴线，
   右侧是按时序排布的任务条目 (mission)。
   ================================================================= */
.lw-sky {
    position: relative;
    padding: var(--wd-5xl) var(--wd-xl);
    background:
        radial-gradient(1px 1px at 12% 22%, #ffffff 50%, transparent 51%),
        radial-gradient(1px 1px at 28% 68%, #ffffff 50%, transparent 51%),
        radial-gradient(2px 2px at 46% 18%, #ffb703 50%, transparent 51%),
        radial-gradient(1px 1px at 63% 52%, #ffffff 50%, transparent 51%),
        radial-gradient(1px 1px at 78% 30%, #c8d3ef 50%, transparent 51%),
        radial-gradient(2px 2px at 88% 74%, #4361ee 50%, transparent 51%),
        radial-gradient(1px 1px at 8% 84%, #ffffff 50%, transparent 51%),
        radial-gradient(120% 90% at 50% 0%, #0c1326 0%, #050914 70%);
    border-bottom: 1px solid var(--wd-hairline);
}

.lw-sky-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--wd-4xl);
    align-items: center;
}

.lw-sky-copy {
    min-width: 0;
}

.lw-sky h1 {
    font-family: var(--wd-display);
    font-weight: 700;
    margin: 0 0 var(--wd-lg);
    overflow-wrap: break-word;
    color: var(--wd-ink);
    font-size: 64px;
    line-height: 67.2px;
    letter-spacing: -0.5px;
}

.lw-sky p {
    color: var(--wd-ink-soft);
    margin: 0 0 var(--wd-2xl);
    font-family: var(--wd-serif);
    font-size: 19px;
    line-height: 31.35px;
    letter-spacing: 0.108px;
}

.lw-cta {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 10px var(--wd-2xl);
    background: var(--wd-primary);
    color: var(--wd-on-primary);
    border-radius: var(--wd-radius-card);
    text-decoration: none;
    font-family: var(--wd-sans);
    font-size: 16px;
    font-weight: 700;
    line-height: 20px;
    letter-spacing: 0.3px;
    transition: transform 0.15s ease;
}

.lw-cta:hover {
    transform: translateY(-1px);
}

.lw-sky-shot {
    display: block;
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--wd-radius-card);
    border: 1px solid var(--wd-hairline);
    background: var(--wd-canvas-soft);
}

/* 发射时间轴：单列、左刻度、轴线贯穿 */
.lw-timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 1000px;
    margin-inline: auto;
}

.lw-slot {
    position: relative;
    display: grid;
    /* 120px：容得下 "Sep 19, 2026" 一行，且留出右内边距避开轴线圆点 */
    grid-template-columns: 120px minmax(0, 1fr);
    gap: var(--wd-3xl);
    padding-bottom: var(--wd-4xl);
}

.lw-slot::before {
    content: "";
    position: absolute;
    left: 119px;
    top: var(--wd-2xl);
    bottom: 0;
    width: 1px;
    background: var(--wd-hairline);
}

.lw-slot:last-child::before {
    display: none;
}

.lw-tmark {
    position: relative;
    /* 右内边距必须留出来：轴线上的圆点定位在本列右边缘，
       文字贴边会被圆点压住 */
    padding: var(--wd-lg) var(--wd-xl) 0 0;
    text-align: right;
    color: var(--wd-link);
    font-family: var(--wd-mono);
    font-size: 16px;
    font-weight: 700;
    line-height: 20px;
    letter-spacing: 0.5px;
}

.lw-tmark::after {
    content: "";
    position: absolute;
    right: -5px;
    top: var(--wd-2xl);
    width: 9px;
    height: 9px;
    border-radius: var(--wd-r-full);
    background: var(--wd-link);
}

.lw-tmark small {
    display: block;
    margin-top: var(--wd-xs);
    color: var(--wd-body);
    font-size: 13px;
    line-height: 18px;
    letter-spacing: 0.4px;
}

.lw-mission {
    display: block;
    min-width: 0;
    color: var(--wd-ink);
    text-decoration: none;
    background: var(--wd-canvas-soft);
    border: 1px solid var(--wd-hairline);
    border-radius: var(--wd-radius-card);
    overflow: hidden;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.lw-mission:hover {
    border-color: var(--wd-primary);
    transform: translateY(-1px);
}

.lw-mission img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    display: block;
    background: var(--wd-hairline);
}

.lw-mission-body {
    padding: var(--wd-2xl);
}

.lw-mission h2 {
    font-family: var(--wd-sans);
    font-weight: 700;
    margin: 0 0 var(--wd-sm);
    font-size: 24px;
    line-height: 30px;
    letter-spacing: -0.2px;
}

.lw-mission:hover h2 {
    text-decoration: underline;
}

.lw-mission p {
    color: var(--wd-body);
    margin: 0;
    font-family: var(--wd-serif);
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0.09px;
}

@media (max-width: 1023px) {
    .lw-sky {
        padding: var(--wd-4xl) var(--wd-xl);
    }
    .lw-sky-inner {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--wd-2xl);
    }
    .lw-sky h1 {
        font-size: 40px;
        line-height: 44px;
        letter-spacing: -0.4px;
    }
}

@media (max-width: 767px) {
    .lw-sky {
        padding: var(--wd-3xl) var(--wd-lg);
    }
    .lw-sky h1 {
        font-size: 30px;
        line-height: 34px;
        letter-spacing: -0.3px;
    }
    .lw-slot {
        grid-template-columns: 76px minmax(0, 1fr);
        gap: var(--wd-lg);
        padding-bottom: var(--wd-3xl);
    }
    .lw-slot::before {
        left: 75px;
    }
    .lw-tmark {
        padding-right: var(--wd-md);
    }
    .lw-tmark {
        font-size: 13px;
        line-height: 18px;
    }
    .lw-mission h2 {
        font-size: 20px;
        line-height: 26px;
    }
    .lw-mission-body {
        padding: var(--wd-lg);
    }
}


/* 分类页 category_banner2 插在文章列表内部：grid 布局下必须跨满整行，
   否则广告会被当成一张卡片挤进某一列（AGENTS.md §4.2）。 */
.cat-ad-row {
    grid-column: 1 / -1;
    width: 100%;
}