/* ============================================================
   NavXD — api.css · /data-api/ 页面样式
   · 全量走 home.css token，自动获得 dark/light 双态
   · body 层坐标纸网格 + radial 光晕由 home.css 提供
   · 代码预览块保持 GitHub 暗色风（两种模式下都好看的"代码语境"）
   ============================================================ */

/* light 模式加强发丝线（与其它组件 CSS 一致） */
[data-theme="light"] body { --hairline: rgba(15,16,20,.10); }

/* ─────────────────────────────────────────────
   HERO
   ───────────────────────────────────────────── */
.api-hero {
    position: relative;
    z-index: 2;
    padding: 48px 32px 40px;
    background: var(--surface);
    border-bottom: 1px solid var(--rule);
}
.api-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.api-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    background: var(--indigo-soft, rgba(91,108,255,.10));
    border: 1px solid var(--rule);
    font-size: 12px;
    color: var(--indigo);
    margin-bottom: 14px;
    font-family: var(--mono, ui-monospace, monospace);
    letter-spacing: .04em;
}
.api-badge-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--indigo);
    animation: api-pulse 2s ease-in-out infinite;
}
@keyframes api-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.3; }
}
.api-hero h1 {
    font-family: var(--serif, "Noto Serif SC", serif);
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.25;
    letter-spacing: -.018em;
}
.api-hero h1 span { color: var(--indigo); }
.api-hero-desc {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 22px;
    max-width: 460px;
}
.api-hero-btns { display: flex; gap: 10px; }

.api-btn-primary {
    padding: 10px 20px;
    background: var(--indigo);
    color: #fff;
    border: 1px solid var(--indigo);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--sans);
    transition: background 0.15s, border-color 0.15s;
    text-decoration: none;
    display: inline-block;
}
.api-btn-primary:hover {
    background: color-mix(in srgb, var(--indigo) 82%, #000);
    border-color: color-mix(in srgb, var(--indigo) 82%, #000);
    color: #fff;
}
.api-btn-ghost {
    padding: 10px 20px;
    background: var(--surface-2);
    color: var(--text-2);
    border: 1px solid var(--rule);
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    font-family: var(--sans);
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    text-decoration: none;
    display: inline-block;
}
.api-btn-ghost:hover {
    color: var(--text);
    border-color: var(--rule-2, var(--rule));
}

/* Code Preview — 保留 GitHub 暗色，跨模式统一 */
.api-code-preview {
    background: #0d1117;
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 12px;
    padding: 20px;
    font-family: var(--mono);
    font-size: 12px;
    line-height: 1.7;
    color: #e6edf3;
}
.api-code-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
}
.api-code-dot { width: 10px; height: 10px; border-radius: 50%; }
.api-code-filename { color: #8b949e; font-size: 11px; margin-left: 8px; font-family: var(--sans); }
.api-code-url {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #161b22;
    border-radius: 6px;
    padding: 7px 12px;
    margin-bottom: 12px;
}
.api-method-badge {
    padding: 2px 7px;
    background: rgba(91,108,255,.22);
    color: #a3afff;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    font-family: var(--sans);
    flex-shrink: 0;
}
.api-code-url-text { font-size: 11px; color: #58a6ff; }
.api-json { color: #e6edf3; }
.api-json .key   { color: #79c0ff; }
.api-json .str   { color: #a5d6ff; }
.api-json .num   { color: #f8c61c; }
.api-json .green { color: #56d364; }
.api-json .gray  { color: #8b949e; }

/* ─────────────────────────────────────────────
   CONTENT WRAPPER
   ───────────────────────────────────────────── */
.api-content {
    position: relative;
    z-index: 2;
    padding: 28px 32px;
    max-width: 1100px;
    margin: 0 auto;
}

/* SECTION HEAD — 对齐首页 .section__head 风格 */
.api-sec-hd {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--rule);
}
.api-sec-hd::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 80px;
    height: 1px;
    background: var(--signal);
}
.api-sec-title {
    font-family: var(--serif, "Noto Serif SC", serif);
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -.005em;
}
.api-sec-dot {
    width: 3px;
    height: 15px;
    background: var(--signal);
    border-radius: 2px;
    flex-shrink: 0;
}
.api-sec-link {
    font-size: 12px;
    color: var(--indigo);
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
    font-family: var(--mono, ui-monospace, monospace);
    letter-spacing: .04em;
}
.api-sec-link:hover { color: var(--signal); text-decoration: underline; }

/* ─────────────────────────────────────────────
   FEATURES GRID
   ───────────────────────────────────────────── */
.api-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 32px;
}
.api-feat-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 0 var(--hairline);
    transition: transform 0.18s cubic-bezier(.2,.7,.2,1),
                border-color 0.18s,
                box-shadow 0.18s;
}
.api-feat-card:hover {
    transform: translateY(-2px);
    border-color: var(--rule-2, var(--rule));
    box-shadow: 0 8px 24px var(--hairline), 0 1px 0 var(--hairline);
}
.api-feat-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 12px;
    background: var(--surface-2);
    border: 1px solid var(--rule);
}
.api-feat-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.api-feat-desc  { font-size: 12px; color: var(--text-2); line-height: 1.6; }

/* ─────────────────────────────────────────────
   API SECTION (Tabs + Code)
   ───────────────────────────────────────────── */
.api-section {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 32px;
    box-shadow: 0 1px 0 var(--hairline);
}
.api-tabs {
    display: flex;
    border-bottom: 1px solid var(--rule);
    padding: 0 20px;
    background: var(--surface-2);
    overflow-x: auto;
}
.api-tab {
    padding: 13px 16px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-3);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
    font-family: var(--sans);
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
}
.api-tab:hover  { color: var(--text-2); }
.api-tab.active { color: var(--signal); border-bottom-color: var(--signal); }
.api-tab-body   { padding: 20px; }

.api-endpoint {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface-2);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 14px;
}
.api-endpoint-method {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--mono);
    background: var(--indigo-soft, rgba(91,108,255,.12));
    color: var(--indigo);
    flex-shrink: 0;
}
.api-endpoint-url {
    font-size: 12px;
    color: var(--text-2);
    font-family: var(--mono);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.api-copy-btn {
    padding: 4px 10px;
    background: var(--indigo-soft, rgba(91,108,255,.12));
    color: var(--indigo);
    border: 1px solid var(--rule);
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    font-family: var(--sans);
    flex-shrink: 0;
    transition: background 0.15s, border-color 0.15s;
}
.api-copy-btn:hover {
    background: var(--indigo-mid, rgba(91,108,255,.20));
    border-color: var(--indigo);
}

.api-params-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 8px;
}
.api-params { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.api-param {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    background: var(--surface-2);
    border: 1px solid var(--rule);
    border-radius: 6px;
    font-size: 12px;
    flex-wrap: wrap;
}
.api-param-name {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--indigo);
    min-width: 110px;
    flex-shrink: 0;
}
.api-param-type {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 3px;
    background: rgba(255,122,60,.12);
    color: var(--ember);
    flex-shrink: 0;
}
.api-param-desc  { color: var(--text-2); flex: 1; min-width: 0; }
.api-param-req   { font-size: 10px; font-weight: 600; color: var(--rose); flex-shrink: 0; }

.api-code-block {
    background: #0d1117;
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 8px;
    padding: 16px;
    font-family: var(--mono);
    font-size: 12px;
    line-height: 1.7;
    color: #e6edf3;
    overflow-x: auto;
}
.api-code-block .key   { color: #79c0ff; }
.api-code-block .str   { color: #a5d6ff; }
.api-code-block .num   { color: #f8c61c; }
.api-code-block .green { color: #56d364; }
.api-code-block .gray  { color: #8b949e; }

/* ─────────────────────────────────────────────
   FIELDS GRID
   ───────────────────────────────────────────── */
.api-fields-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 32px;
}
.api-field-card {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 18px;
    box-shadow: 0 1px 0 var(--hairline);
}
.api-field-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--rule);
}
.api-field-name { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--text); }
.api-field-type {
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 4px;
    font-weight: 600;
    background: var(--surface-2);
    color: var(--text-2);
    border: 1px solid var(--rule);
}
.api-field-desc    { font-size: 12px; color: var(--text-2); line-height: 1.6; margin-bottom: 8px; }
.api-field-example {
    font-size: 11px;
    font-family: var(--mono);
    color: var(--indigo);
    background: var(--indigo-soft, rgba(91,108,255,.10));
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

/* ─────────────────────────────────────────────
   UPDATE FREQUENCY
   ───────────────────────────────────────────── */
.api-freq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 32px;
}
.api-freq-card {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 0 var(--hairline);
    text-align: center;
}
.api-freq-icon  { font-size: 28px; margin-bottom: 10px; }
.api-freq-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.api-freq-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
    background: var(--surface-2);
    color: var(--text-2);
    border: 1px solid var(--rule);
}
.api-freq-desc { font-size: 12px; color: var(--text-2); line-height: 1.5; }

/* ─────────────────────────────────────────────
   PRICING
   ───────────────────────────────────────────── */
.api-pricing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}
.api-pricing-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 0 var(--hairline);
}
.api-pricing-card.featured {
    border-color: var(--indigo);
    background:
        radial-gradient(420px 220px at 100% 0%, var(--indigo-soft, rgba(91,108,255,.14)), transparent 70%),
        var(--surface);
}
[data-theme="light"] .api-pricing-card.featured {
    background:
        linear-gradient(135deg, #eef4ff 0%, #f8f9ff 100%);
    border-color: var(--indigo);
}
.api-pricing-top { display: flex; align-items: center; justify-content: space-between; }
.api-pricing-name  { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.api-pricing-sub   { font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.api-pricing-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    background: var(--indigo);
    color: #fff;
    border-radius: 4px;
    letter-spacing: .04em;
}
.api-pricing-price {
    font-family: var(--serif, "Noto Serif SC", serif);
    font-size: 32px;
    font-weight: 600;
    color: var(--text);
    margin: 10px 0 4px;
    letter-spacing: -.018em;
}
.api-pricing-price span { font-size: 13px; color: var(--text-3); font-weight: 400; font-family: var(--sans); }
.api-pricing-year  { font-size: 12px; color: var(--text-3); margin-bottom: 16px; }
.api-pricing-features { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.api-pf-item { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--text-2); }
.api-pf-check { color: var(--signal); font-size: 11px; }
.api-pf-x     { color: var(--text-3); font-size: 11px; }

.api-btn-pricing {
    width: 100%;
    padding: 10px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--sans);
    transition: all 0.15s;
    text-decoration: none;
    display: block;
    text-align: center;
}
.api-btn-pricing.primary {
    background: var(--indigo);
    color: #fff;
    border-color: var(--indigo);
}
.api-btn-pricing.primary:hover {
    background: color-mix(in srgb, var(--indigo) 82%, #000);
    border-color: color-mix(in srgb, var(--indigo) 82%, #000);
}
.api-btn-pricing.secondary {
    background: var(--surface-2);
    color: var(--text-2);
    border-color: var(--rule);
}
.api-btn-pricing.secondary:hover {
    color: var(--text);
    border-color: var(--rule-2, var(--rule));
}

/* ─────────────────────────────────────────────
   SUBSCRIBE BANNER
   ───────────────────────────────────────────── */
.api-sub-banner {
    position: relative;
    background:
        radial-gradient(600px 260px at 100% -40px, var(--signal-soft, rgba(0,229,176,.10)), transparent 60%),
        radial-gradient(420px 200px at -10% 110%, var(--indigo-soft, rgba(91,108,255,.10)), transparent 60%),
        var(--surface);
    border: 1px solid var(--rule);
    border-radius: 14px;
    padding: 28px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    overflow: hidden;
    box-shadow: 0 1px 0 var(--hairline);
}
.api-sub-banner::before {
    content: "";
    position: absolute;
    left: 0;
    top: 24px;
    bottom: 24px;
    width: 2px;
    background: var(--signal);
    border-radius: 2px;
}
[data-theme="light"] .api-sub-banner {
    background: linear-gradient(135deg, #eef4ff 0%, #f0f7ff 100%);
    border-color: var(--rule);
}
.api-sub-left h3 {
    font-family: var(--serif, "Noto Serif SC", serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 5px;
    letter-spacing: -.012em;
}
.api-sub-left p  { font-size: 13px; color: var(--text-2); margin: 0; }
.api-sub-perks   { display: flex; flex-direction: column; gap: 4px; margin-top: 10px; }
.api-sub-perk    { font-size: 12px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.api-perk-check  { color: var(--signal); }

.api-sub-right   { text-align: center; flex-shrink: 0; }
.api-sub-price {
    font-family: var(--serif, "Noto Serif SC", serif);
    font-size: 30px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -.018em;
}
.api-sub-price span { font-size: 13px; color: var(--text-3); font-weight: 400; font-family: var(--sans); }
.api-sub-year    { font-size: 12px; color: var(--text-3); margin-top: 2px; margin-bottom: 14px; }

.api-btn-subscribe {
    padding: 10px 24px;
    background: var(--indigo);
    color: #fff;
    border: 1px solid var(--indigo);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--sans);
    transition: background 0.15s, border-color 0.15s;
    text-decoration: none;
    display: block;
    text-align: center;
}
.api-btn-subscribe:hover {
    background: color-mix(in srgb, var(--indigo) 82%, #000);
    border-color: color-mix(in srgb, var(--indigo) 82%, #000);
    color: #fff;
}

/* ─────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────── */
@media (max-width: 960px) {
    .api-hero-inner    { grid-template-columns: 1fr; }
    .api-features-grid { grid-template-columns: repeat(2, 1fr); }
    .api-pricing-grid  { grid-template-columns: 1fr; }
    .api-sub-banner    { flex-direction: column; text-align: center; }
    .api-sub-banner::before { display: none; }
}
@media (max-width: 640px) {
    .api-hero,
    .api-content       { padding-left: 16px; padding-right: 16px; }
    .api-features-grid { grid-template-columns: 1fr; }
    .api-fields-grid   { grid-template-columns: 1fr; }
    .api-freq-grid     { grid-template-columns: 1fr; }
    .api-hero-btns     { flex-wrap: wrap; }
}