/* ==========================================================================
   Neo 展示页 · 版式系统
   品牌：**琥珀色**（浅 #E09A2E / 深 #EFA83C），与 neo-tokens.css 同源。
   ★ 2026-10-12 从旧紫色（#5B54E8）改过来 —— 之前本页是独立一代配色，
     与 index/api（琥珀）不一致，用户反馈「风格不对」。现在全站单一强调色。
   半径规则：按钮=全圆角 999 / 卡片=18 / 输入与凹槽=12 / 小标签=8
   字号阶梯（角色制，相邻步 ≥1.25×）：caption 12.5 · body 16 · h3 21 · h2 clamp(28,3.6vw,44) · h1 clamp(38,6vw,68)
   间距阶梯：4 8 12 16 24 32 48 64 96
   ========================================================================== */

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

/* display:grid/flex 的组件会盖掉 UA 的 [hidden]，这里补一条更硬的 */
[hidden] { display: none !important; }

:root {
  /* 表面与文字（冷调中性，避免纯黑纯白） */
  --bg: #F5F5F8;
  --surface: #FFFFFF;
  --surface-2: #EFEFF4;
  --well: #E9E9F0;
  --ink: #14141A;
  --ink-strong: #08080C;
  --ink-2: #3D3D47;
  --ink-3: #5C5C68;
  --ink-4: #6A6A74;

  --line: rgba(12, 12, 30, .14);
  --line-soft: rgba(12, 12, 30, .075);

  /* 强调色：品牌琥珀，锁定全页（与 neo-tokens.css 的 --accent 同值） */
  --acc: #E09A2E;
  --acc-hover: #C9861D;
  --acc-soft: rgba(224, 154, 46, .14);
  --acc-line: rgba(224, 154, 46, .42);
  --acc-ink: #8A5A0A;
  --on-acc: #1A1206;

  /* 状态色（与强调色色相相距 >15°） */
  --ok: #0B7A45;
  --ok-soft: rgba(11, 122, 69, .10);
  --warn: #8A5A00;
  --warn-soft: rgba(214, 150, 30, .16);
  --danger: #B32E19;
  --danger-soft: rgba(179, 46, 25, .10);

  --code-bg: #14141C;
  --code-ink: #E8E8F2;
  --code-dim: #8E8EA6;

  /* 阴影：按背景色相着色，不用纯黑 */
  --sh-1: 0 1px 2px rgba(20, 20, 48, .05), 0 10px 26px rgba(20, 20, 48, .07);
  --sh-2: 0 2px 4px rgba(20, 20, 48, .06), 0 28px 64px rgba(20, 20, 48, .14);

  --ease: cubic-bezier(.2, 0, 0, 1);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #0A0A11;
  --surface: #14141D;
  --surface-2: #1C1C27;
  --well: #0F0F17;
  --ink: #F2F2F6;
  --ink-strong: #FFFFFF;
  --ink-2: #CFCFD8;
  --ink-3: #A6A6B2;
  --ink-4: #8B8B97;

  --line: rgba(255, 255, 255, .13);
  --line-soft: rgba(255, 255, 255, .07);

  --acc: #EFA83C;
  --acc-hover: #F7BC63;
  --acc-soft: rgba(239, 168, 60, .14);
  --acc-line: rgba(239, 168, 60, .45);
  --acc-ink: #F3BC6A;
  --on-acc: #1A1206;

  --ok: #46CE86;
  --ok-soft: rgba(70, 206, 134, .14);
  --warn: #F0C168;
  --warn-soft: rgba(240, 193, 104, .14);
  --danger: #FF7A5E;
  --danger-soft: rgba(255, 122, 94, .14);

  --code-bg: #0D0D15;
  --code-ink: #E8E8F2;
  --code-dim: #8E8EA6;

  --sh-1: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 26px rgba(0, 0, 0, .45);
  --sh-2: 0 2px 4px rgba(0, 0, 0, .5), 0 28px 64px rgba(0, 0, 0, .55);

  color-scheme: dark;
}

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

::selection { background: color-mix(in srgb, var(--acc) 26%, transparent); }

/* 占位符：浏览器默认灰只有 3.8:1，这里显式给到 AA */
input::placeholder, textarea::placeholder { color: var(--ink-3); opacity: 1; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }

/* 焦点环：只在键盘路径出现，3:1 以上对比 */
:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 2px;
  border-radius: 8px;
}

/* 主题切换时不跑过渡，避免整页 smear */
html.theme-switching,
html.theme-switching * { transition: none !important; }

/* ---------- 骨架 ---------- */
.wrap { max-width: 1180px; margin-inline: auto; padding-inline: 24px; }
.wrap-narrow { max-width: 820px; margin-inline: auto; padding-inline: 24px; }
.mono { font-family: var(--mono); }
.num { font-variant-numeric: tabular-nums; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.skip-link {
  position: absolute; inset-inline-start: 12px; inset-block-start: -60px; z-index: 100;
  background: var(--acc); color: var(--on-acc); font-weight: 700; font-size: 1rem;
  border-radius: 999px; padding: 10px 20px; transition: inset-block-start .2s var(--ease);
}
.skip-link:focus { inset-block-start: 12px; }

/* ---------- 排版角色 ---------- */
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.02em; font-weight: 700; }
.hero h1 { font-size: clamp(2.25rem, 4.6vw, 3.5rem); }

/* h1 68 · h2 44 · h3 21 · body 16 · caption 12.5 */
.display {
  font-size: clamp(2.375rem, 6vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -.035em;
  font-weight: 800;
  text-wrap: balance;
}
h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.14;
  letter-spacing: -.028em;
  text-wrap: balance;
}
h3 { font-size: 1.3125rem; line-height: 1.3; letter-spacing: -.015em; }
h4 { font-size: 1rem; line-height: 1.4; letter-spacing: -.008em; }
p { text-wrap: pretty; }

.body-lg { font-size: 1rem; line-height: 1.65; color: var(--ink-2); }
.body { font-size: 1rem; line-height: 1.65; color: var(--ink-2); }
.body-sm { font-size: 1rem; line-height: 1.6; color: var(--ink-3); }
.caption { font-size: .78125rem; line-height: 1.5; color: var(--ink-4); }

/* 小标签（不是 eyebrow，用于元信息行，每屏最多 1 个中点分隔） */
.tag-mono {
  font-family: var(--mono);
  font-size: .78125rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* 强调色只用在品牌词上。
   ★ 2026-10-12 品牌色由深紫 #5B54E8 改琥珀 #E09A2E 后，原始 --acc 当**文字色**
   在浅底上对比度不足（2.19:1 < AA 3）；改用专为「强调色当文字」设计的 --acc-ink
   （浅 #8A5A0A / 深 #F3BC6A）。--acc 本身不动（按钮/色块底仍用它）。 */
.hl { color: var(--acc-ink); }

/* 度量：正文行宽上限 */
.measure { max-width: 66ch; }

/* ---------- 导航 ---------- */
.navbar {
  position: sticky; inset-block-start: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  border-block-end: 1px solid var(--line-soft);
}
.nav-in {
  max-width: 1180px; margin-inline: auto; block-size: 62px; padding-inline: 24px;
  display: flex; align-items: center; gap: 24px;
}
.logo {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 1rem; font-weight: 800; letter-spacing: -.01em; white-space: nowrap;
}
.logo i {
  inline-size: 11px; block-size: 11px; border-radius: 3px;
  background: linear-gradient(135deg, var(--acc), #FF8FB1);
}
.nav-links { display: flex; gap: 24px; font-size: .78125rem; font-weight: 600; color: var(--ink-3); }
.nav-links a { padding-block: 4px; border-block-end: 2px solid transparent; transition: color .18s, border-color .18s; }
.nav-links a:hover { color: var(--ink-strong); }
.nav-links a[aria-current="page"] { color: var(--ink-strong); border-block-end-color: var(--acc); }
.nav-right { margin-inline-start: auto; display: flex; align-items: center; gap: 10px; }
@media (max-width: 860px) { .nav-links { display: none; } }

/* 窄屏导航：原生 details，不依赖 JS 就能键盘操作 */
.nav-menu { display: none; position: relative; }
@media (max-width: 860px) { .nav-menu { display: block; } }
.nav-menu > summary {
  list-style: none; inline-size: 38px; block-size: 38px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface);
  display: grid; place-items: center; cursor: pointer; color: var(--ink-2);
}
.nav-menu > summary::-webkit-details-marker { display: none; }
.nav-menu > summary:hover { color: var(--ink-strong); border-color: var(--acc-line); }
.nav-menu > summary svg { inline-size: 18px; block-size: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.nav-menu[open] > summary { color: var(--acc); border-color: var(--acc-line); }
.nav-menu > nav {
  position: absolute; inset-inline-end: 0; inset-block-start: calc(100% + 10px);
  min-inline-size: 168px; background: var(--surface);
  border: 1px solid var(--line-soft); border-radius: 14px; box-shadow: var(--sh-2);
  padding: 8px; display: grid; gap: 2px;
}
.nav-menu > nav a {
  padding: 10px 12px; border-radius: 10px; font-size: 1rem; font-weight: 600; color: var(--ink-2);
}
.nav-menu > nav a:hover { background: var(--surface-2); color: var(--ink-strong); }
.nav-menu > nav a[aria-current="page"] { color: var(--acc-ink); }

.icon-btn {
  inline-size: 38px; block-size: 38px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface);
  display: grid; place-items: center; color: var(--ink-2);
  cursor: pointer; transition: color .18s, border-color .18s;
}
.icon-btn:hover { color: var(--ink-strong); border-color: var(--acc-line); }
.icon-btn svg { inline-size: 17px; block-size: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 1rem; font-weight: 700; white-space: nowrap;
  border-radius: 999px; padding: 13px 28px; cursor: pointer;
  border: 1px solid transparent;
  transition: background-color .18s, border-color .18s, color .18s, scale .15s var(--ease);
}
.btn:not(:disabled):active { scale: .96; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--acc); color: var(--on-acc); }
.btn.primary:hover { background: var(--acc-hover); }
.btn.ghost { background: transparent; color: var(--ink-strong); border-color: color-mix(in srgb, var(--ink) 30%, transparent); }
.btn.ghost:hover { border-color: var(--ink-strong); background: color-mix(in srgb, var(--ink) 6%, transparent); }
.btn.sm { font-size: .78125rem; padding: 9px 18px; }
.btn.block { inline-size: 100%; }

.pill-cta {
  font-size: .78125rem; font-weight: 700; background: var(--acc); color: var(--on-acc);
  border: 0; border-radius: 999px; padding: 9px 20px; cursor: pointer; white-space: nowrap;
  transition: background-color .18s;
}
.pill-cta:hover { background: var(--acc-hover); }

/* ---------- Hero（非对称分栏） ---------- */
.hero { padding-block: clamp(48px, 7vw, 88px) 0; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.hero h1 { margin-block: 0 20px; }
.hero .lead { font-size: clamp(1rem, 1.5vw, 1.1875rem); line-height: 1.6; color: var(--ink-2); max-width: 34ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-block-start: 30px; }
.hero-shot { position: relative; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero .lead { max-width: 52ch; }
}

/* 真实截图框：窗口条 + 图片（图片用内描边，不用调色描边） */
.shot {
  background: var(--surface); border-radius: 18px; overflow: hidden;
  box-shadow: var(--sh-2);
  border: 1px solid var(--line-soft);
}
.shot .bar {
  display: flex; align-items: center; gap: 6px; padding: 11px 14px;
  background: var(--surface-2); border-block-end: 1px solid var(--line-soft);
}
.shot .bar i { inline-size: 11px; block-size: 11px; border-radius: 50%; }
.shot .bar i:nth-child(1) { background: #FF5F57; }
.shot .bar i:nth-child(2) { background: #FEBC2E; }
.shot .bar i:nth-child(3) { background: #28C840; }
.shot .bar span {
  margin-inline-start: 10px; font-family: var(--mono); font-size: .78125rem;
  color: var(--ink-3); background: var(--well); border-radius: 6px;
  padding: 2px 10px; border: 1px solid var(--line-soft);
}
.shot img { inline-size: 100%; outline: 1px solid oklch(0 0 0 / .1); outline-offset: -1px; }
html[data-theme="dark"] .shot img { outline-color: oklch(1 0 0 / .1); }

/* 独立图片（非窗口框）也加同样的内描边 */
.plate img { border-radius: 16px; outline: 1px solid oklch(0 0 0 / .1); outline-offset: -1px; }
html[data-theme="dark"] .plate img { outline-color: oklch(1 0 0 / .1); }
.plate figcaption { font-size: .78125rem; color: var(--ink-4); margin-block-start: 10px; }

/* ---------- 分节 ---------- */
.sec { padding-block-start: clamp(72px, 8vw, 112px); }
.sec-hd { max-width: 60ch; margin-block-end: 44px; }
.sec-hd.center { margin-inline: auto; text-align: center; }
.sec-hd h2 { margin-block-end: 14px; }
.sec-hd p { font-size: 1rem; color: var(--ink-2); }
.kicker {
  display: inline-block; font-size: .78125rem; font-weight: 800; letter-spacing: .16em;
  text-transform: uppercase; color: var(--acc); margin-block-end: 14px;
}

/* ---------- Bento（不对称瓷砖） ---------- */
.bento {
  display: grid; gap: 16px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.cell {
  position: relative; border-radius: 18px; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line-soft);
  display: flex; flex-direction: column;
  transition: border-color .2s, transform .3s var(--ease);
}
.cell:hover { border-color: var(--acc-line); transform: translateY(-3px); }
.cell .cell-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.cell h3 { letter-spacing: -.012em; }
.cell p { font-size: 1rem; color: var(--ink-3); line-height: 1.6; }
.cell .cell-img { position: relative; overflow: hidden; }
.cell .cell-img img { inline-size: 100%; block-size: 100%; object-fit: cover; outline: 1px solid oklch(0 0 0 / .1); outline-offset: -1px; }
html[data-theme="dark"] .cell .cell-img img { outline-color: oklch(1 0 0 / .1); }
.cell .go { margin-block-start: auto; font-size: .78125rem; font-weight: 800; color: var(--acc); }
.cell.c-a .go, .cell.tint .go { margin-block-start: 14px; }

/* 6 栏里摆 5 块：2 大 + 3 小，无空格 */
.cell.c-a { grid-column: span 4; }
.cell.c-b { grid-column: span 2; }
.cell.c-c { grid-column: span 2; }
.cell.c-d { grid-column: span 2; }
.cell.c-e { grid-column: span 2; }
.cell.c-a { flex-direction: row; }
.cell.c-a .cell-img { flex: 1 1 54%; min-block-size: 236px; }
.cell.c-a .cell-body { flex: 1 1 46%; justify-content: center; }
.cell.c-b .cell-img, .cell.c-c .cell-img, .cell.c-d .cell-img, .cell.c-e .cell-img { block-size: 132px; }
.cell.tint { background: var(--acc-soft); border-color: var(--acc-line); }
.cell.tint .tag-mono { color: var(--acc-ink); }
.cell.tint .go { color: var(--acc-ink); }
.cell.tint .cell-body { justify-content: center; }
.cell.ink { background: var(--code-bg); border-color: transparent; }
.cell.ink h3 { color: #FFFFFF; }
.cell.ink p { color: #B9B9CE; }
.cell.ink .go { color: #B8B2FF; }
.cell.ink .tag-mono { color: #8E8EA6; }

@media (max-width: 900px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cell.c-a { flex-direction: column; }
  .cell.c-a .cell-img { min-block-size: 200px; }
  .cell.c-a .cell-body { justify-content: flex-start; }
  .cell.c-a, .cell.c-b, .cell.c-c, .cell.c-d, .cell.c-e { grid-column: span 1; }
  .cell.c-a { grid-column: span 2; }
}
@media (max-width: 560px) {
  .bento { grid-template-columns: minmax(0, 1fr); }
  .cell.c-a { grid-column: span 1; }
}

/* ---------- 全宽媒体带（图在上，文案在下） ---------- */
.bleed { display: grid; gap: 20px; }
.bleed .bleed-img { position: relative; background: var(--surface-2); }
.bleed .bleed-img img { inline-size: 100%; max-block-size: 460px; object-fit: cover; object-position: center 22%; border-radius: 22px; outline: 1px solid oklch(0 0 0 / .1); outline-offset: -1px; }
html[data-theme="dark"] .bleed .bleed-img img { outline-color: oklch(1 0 0 / .1); }
.bleed .bleed-copy { background: var(--surface); border: 1px solid var(--line-soft); border-radius: 22px; padding: 26px; }
@media (min-width: 900px) { .bleed .bleed-copy { padding: 34px 36px; } }
.bleed .bleed-copy h3 { font-size: clamp(1.375rem, 2.4vw, 1.875rem); letter-spacing: -.02em; margin-block-end: 12px; }
.specs { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; margin-block-start: 22px; }
.specs li { display: flex; align-items: baseline; gap: 9px; font-size: 1rem; color: var(--ink-3); }
.specs li b { color: var(--ink-strong); font-weight: 700; }
.specs li::before { content: ""; inline-size: 6px; block-size: 6px; border-radius: 2px; background: var(--acc); flex: none; }

/* ---------- 左右分栏（图文） ---------- */
.split {
  display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 60px); align-items: center;
}
.split.rev .split-media { order: -1; }
.split > * { min-inline-size: 0; }
.split-copy h3 { font-size: clamp(1.375rem, 2.6vw, 1.9375rem); letter-spacing: -.022em; margin-block: 12px 12px; }
.split-copy > p { font-size: 1rem; color: var(--ink-2); max-width: 46ch; }
.feats { list-style: none; margin-block-start: 22px; display: grid; gap: 12px; }
.feats li { display: flex; gap: 12px; font-size: 1rem; color: var(--ink-2); line-height: 1.55; }
.feats li b { color: var(--ink-strong); }
.feats li::before { content: ""; flex: none; inline-size: 6px; block-size: 6px; border-radius: 2px; background: var(--acc); margin-block-start: 9px; }
.split-link { display: inline-flex; align-items: center; gap: 6px; margin-block-start: 24px; font-size: 1rem; font-weight: 800; color: var(--acc); }
.split-link:hover { color: var(--acc-hover); }
.split-link span { transition: transform .25s var(--ease); }
.split-link:hover span { transform: translateX(4px); }
@media (max-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .split.rev .split-media { order: 0; }
}

/* ---------- 横向吸附轨（步骤卡） ---------- */
.rail {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-block-end: 18px; padding-inline: 4px;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}
.rail::-webkit-scrollbar { block-size: 8px; }
.rail::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }
.rail-card {
  flex: 0 0 clamp(260px, 32vw, 340px); scroll-snap-align: start;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: 18px;
  overflow: hidden; display: flex; flex-direction: column;
}
.rail-card img { inline-size: 100%; block-size: 176px; object-fit: cover; object-position: top center; outline: 1px solid oklch(0 0 0 / .1); outline-offset: -1px; }
html[data-theme="dark"] .rail-card img { outline-color: oklch(1 0 0 / .1); }
.rail-card .rail-body { padding: 18px 20px 22px; }
.rail-card h4 { margin-block-end: 8px; }
.rail-card p { font-size: 1rem; color: var(--ink-3); }
.rail-hint { display: flex; align-items: center; gap: 8px; font-size: .78125rem; color: var(--ink-4); margin-block-start: 10px; }
.rail-hint::after { content: ""; flex: 1; block-size: 1px; background: var(--line-soft); }

/* ---------- 2×2 步骤网格 ---------- */
.steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 760px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.step {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: 18px;
  overflow: hidden; display: flex; flex-direction: column;
}
.step img { inline-size: 100%; block-size: 190px; object-fit: cover; object-position: top center; outline: 1px solid oklch(0 0 0 / .1); outline-offset: -1px; }
html[data-theme="dark"] .step img { outline-color: oklch(1 0 0 / .1); }
.step .step-body { padding: 20px 22px 24px; }
.step h4 { margin-block-end: 8px; }
.step p { font-size: 1rem; color: var(--ink-3); }

/* ---------- 表格 ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 16px; }
.tbl {
  inline-size: 100%; border-collapse: collapse; background: var(--surface);
  border: 1px solid var(--line-soft); border-radius: 16px; overflow: hidden;
  font-size: 1rem;
}
.tbl th, .tbl td { padding: 15px 18px; text-align: start; border-block-end: 1px solid var(--line-soft); }
.tbl thead th { font-size: .78125rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); font-weight: 800; background: var(--surface-2); }
.tbl tbody th { font-weight: 700; color: var(--ink-strong); }
.tbl td { color: var(--ink-3); }
.tbl td:last-child { color: var(--ink-strong); font-weight: 700; }
.tbl tr:last-child th, .tbl tr:last-child td { border-block-end: 0; }
.tbl.min-w { min-width: 620px; }

/* ---------- API 带 ---------- */
.api-band {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: 22px;
  padding: 26px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(24px, 4vw, 44px); align-items: center;
}
@media (max-width: 900px) { .api-band { grid-template-columns: minmax(0, 1fr); } }
.api-band h3 { font-size: clamp(1.375rem, 2.6vw, 1.9375rem); letter-spacing: -.022em; }
.api-steps { list-style: none; counter-reset: s; margin-block: 20px 26px; display: grid; gap: 12px; font-size: 1rem; color: var(--ink-2); }
.api-steps li { display: flex; gap: 12px; }
.api-steps li::before {
  content: counter(s); counter-increment: s;
  font-family: var(--mono); font-size: .78125rem; font-weight: 700; color: var(--acc);
  border: 1px solid var(--acc-line); border-radius: 8px; inline-size: 20px; block-size: 20px;
  display: grid; place-items: center; flex: none; margin-block-start: 2px;
}
pre.code {
  background: var(--code-bg); color: var(--code-ink); border-radius: 14px;
  padding: 18px 20px; font-family: var(--mono); font-size: .78125rem; line-height: 1.7;
  overflow-x: auto; tab-size: 2; margin: 0;
}
pre.code .c { color: var(--code-dim); }
pre.code .s { color: #8FE3B0; }

/* ---------- 价格 ---------- */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
@media (max-width: 900px) { .plans { grid-template-columns: minmax(0, 1fr); } }
.plan {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: 20px;
  padding: 28px 26px; display: flex; flex-direction: column; position: relative;
  transition: border-color .2s, transform .3s var(--ease);
}
.plan:hover { transform: translateY(-3px); }
.plan.pro { border-color: var(--acc); box-shadow: 0 18px 44px color-mix(in srgb, var(--acc) 14%, transparent); }
.plan .badge {
  position: absolute; inset-block-start: -12px; inset-inline-start: 26px;
  font-size: .78125rem; font-weight: 800; letter-spacing: .04em;
  background: var(--acc); color: var(--on-acc); border-radius: 999px; padding: 5px 13px;
}
.pname { font-size: 1rem; font-weight: 800; color: var(--ink-3); }
.was { font-size: .78125rem; color: var(--ink-4); text-decoration: line-through; margin-block-start: 12px; }
.now { font-size: 2.75rem; font-weight: 800; letter-spacing: -.035em; line-height: 1.1; margin-block-start: 2px; }
.now small { font-size: 1rem; font-weight: 600; color: var(--ink-4); letter-spacing: 0; }
.per { font-size: .78125rem; color: var(--ink-4); margin-block-start: 4px; }
.plan ul { list-style: none; margin-block: 22px 26px; display: grid; gap: 11px; font-size: 1rem; color: var(--ink-2); }
.plan ul li { display: flex; gap: 10px; line-height: 1.5; }
.plan ul li::before { content: "✓"; color: var(--ok); font-weight: 800; flex: none; }
.plan .cbtn {
  margin-block-start: auto; text-align: center; border-radius: 999px; padding: 13px;
  font-size: 1rem; font-weight: 800; border: 1px solid var(--line); color: var(--ink-strong);
  background: transparent; cursor: pointer; transition: border-color .18s, background-color .18s;
}
.plan .cbtn:hover { border-color: var(--ink-strong); }
.plan.pro .cbtn { background: var(--acc); color: var(--on-acc); border-color: var(--acc); }
.plan.pro .cbtn:hover { background: var(--acc-hover); }

.promo {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--warn-soft); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  color: var(--warn); border-radius: 14px; padding: 12px 18px;
  font-size: .78125rem; font-weight: 700; margin-block-end: 26px;
}
.promo b { font-weight: 800; }
.trust { display: flex; gap: 10px; flex-wrap: wrap; margin-block-start: 24px; }
.trust span {
  font-size: .78125rem; font-weight: 700; color: var(--ink-3);
  background: var(--surface-2); border: 1px solid var(--line-soft);
  border-radius: 999px; padding: 7px 15px;
}
.note { font-size: .78125rem; color: var(--ink-4); margin-block-start: 14px; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq details { border-block-end: 1px solid var(--line-soft); }
.faq summary {
  cursor: pointer; list-style: none; font-size: 1rem; font-weight: 700;
  padding: 18px 36px 18px 0; position: relative; letter-spacing: -.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; inset-inline-end: 6px; inset-block-start: 50%;
  transform: translateY(-50%); font-size: 1.25rem; font-weight: 400; color: var(--ink-4);
  transition: transform .25s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq p { font-size: 1rem; color: var(--ink-2); padding-block-end: 20px; max-width: 64ch; }

/* ---------- CTA 带 + 页脚 ---------- */
.cta-band { padding-block: clamp(64px, 8vw, 104px); text-align: center; }
.cta-band h2 { margin-block-end: 14px; }
.cta-band p { color: var(--ink-2); font-size: 1rem; }
.cta-band .btnrow { display: flex; gap: 12px; justify-content: center; margin-block-start: 28px; flex-wrap: wrap; }

footer { border-block-start: 1px solid var(--line-soft); margin-block-start: clamp(56px, 8vw, 96px); padding-block: 44px 34px; color: var(--ink-4); font-size: .78125rem; }
.foot-grid { display: flex; gap: 48px; flex-wrap: wrap; justify-content: space-between; }
.foot-grid .foot-h { font-size: .78125rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 800; margin-block-end: 12px; }
.foot-grid ul { list-style: none; display: grid; gap: 8px; }
.foot-grid a:hover { color: var(--ink-strong); }
.foot-bottom { margin-block-start: 36px; padding-block-start: 20px; border-block-start: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- 声波控件（示意） ---------- */
.wave-shell {
  background: var(--surface); border: 1px solid var(--line-soft);
  border-radius: 18px; padding: 26px 22px; box-shadow: var(--sh-1);
}
.wave { display: flex; align-items: center; gap: 3px; block-size: 110px; justify-content: center; }
.wave i { inline-size: 4px; border-radius: 99px; background: var(--acc); opacity: .85; block-size: 14px; transition: block-size .18s var(--ease); }
.wave-moods { display: flex; gap: 8px; flex-wrap: wrap; margin-block-start: 18px; justify-content: center; }
.wave-moods button {
  font-size: .78125rem; font-weight: 700; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--ink-2);
  padding: 6px 14px; cursor: pointer; transition: background-color .18s, border-color .18s, color .18s;
}
.wave-moods button[aria-pressed="true"] { background: var(--acc); border-color: var(--acc); color: var(--on-acc); }
.wave-cap { text-align: center; font-size: .78125rem; color: var(--ink-4); margin-block-start: 14px; }

/* ---------- 入场动效 ---------- */
html.js .rv { opacity: 0; transform: translateY(20px); }
html.js .rv.in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .6s var(--ease); }
html.js .rv.in.d1 { transition-delay: .08s; }
html.js .rv.in.d2 { transition-delay: .16s; }
html.js .rv.in.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .rv { opacity: 1; transform: none; }
  html.js .rv.in { transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- 提示条 ---------- */
#toast {
  position: fixed; inset-inline-start: 50%; inset-block-end: 30px; z-index: 99;
  transform: translate(-50%, 16px);
  background: var(--ink-strong); color: var(--bg);
  font-size: .78125rem; font-weight: 700; border-radius: 999px; padding: 11px 22px;
  opacity: 0; pointer-events: none; transition: opacity .25s var(--ease), transform .25s var(--ease);
  max-inline-size: 88vw; text-align: center;
}
html[data-theme="dark"] #toast { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line); }
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ==========================================================================
   API 控制台
   ========================================================================== */
.console { display: grid; grid-template-columns: 248px minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 1080px) { .console { grid-template-columns: 220px minmax(0, 1fr); } .console .resp-pane { grid-column: 1 / -1; } }
@media (max-width: 760px) { .console { grid-template-columns: minmax(0, 1fr); } }
.pane { background: var(--surface); border: 1px solid var(--line-soft); border-radius: 16px; overflow: hidden; }
.pane-hd {
  display: flex; align-items: center; gap: 10px; padding: 13px 16px;
  border-block-end: 1px solid var(--line-soft);
  font-size: .78125rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4);
}
.pane-bd { padding: 16px; }
.ep-list { display: grid; gap: 4px; padding: 10px; }
.ep {
  display: grid; gap: 3px; text-align: start; inline-size: 100%;
  border: 1px solid transparent; background: transparent; border-radius: 12px;
  padding: 11px 12px; cursor: pointer; transition: background-color .15s, border-color .15s;
}
.ep:hover { background: var(--surface-2); }
.ep[aria-selected="true"] { background: var(--acc-soft); border-color: var(--acc-line); }
.ep .m { font-family: var(--mono); font-size: .78125rem; font-weight: 700; color: var(--ok); letter-spacing: .06em; }
.ep .p { font-family: var(--mono); font-size: .78125rem; color: var(--ink-strong); word-break: break-all; }
.ep .t { font-size: .78125rem; color: var(--ink-4); }
.ep[aria-selected="true"] .p { color: var(--acc-ink); }

.field { margin-block-end: 14px; }
.field label { display: flex; justify-content: space-between; gap: 8px; font-size: .78125rem; font-weight: 700; color: var(--ink-2); margin-block-end: 6px; }
.field label .hint { font-weight: 500; color: var(--ink-4); }
.field input, .field select, .field textarea {
  inline-size: 100%; background: var(--well); border: 1px solid var(--line);
  border-radius: 12px; padding: 11px 13px; font-size: 1rem; transition: border-color .18s;
}
.field textarea { min-block-size: 88px; resize: vertical; font-family: var(--mono); font-size: .78125rem; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--acc); }
.field input:focus:not(:focus-visible), .field select:focus:not(:focus-visible), .field textarea:focus:not(:focus-visible) { outline: none; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--acc); outline-offset: 1px; }
@media (min-width: 640px) {
  .field input, .field select { font-size: .78125rem; }
}

.base-url {
  display: flex; gap: 8px; align-items: center; background: var(--well);
  border: 1px solid var(--line); border-radius: 12px; padding: 9px 12px; margin-block-end: 14px;
}
.base-url span { font-family: var(--mono); font-size: .78125rem; color: var(--ink-3); flex: none; }
.base-url input { flex: 1; min-inline-size: 0; background: transparent; border: 0; font-family: var(--mono); font-size: .78125rem; padding: 2px 0; }
.base-url input:focus:not(:focus-visible) { outline: none; }

.balance {
  display: flex; align-items: center; gap: 8px; font-size: .78125rem; font-weight: 700;
  color: var(--ink-3); background: var(--surface-2); border: 1px solid var(--line-soft);
  border-radius: 999px; padding: 6px 14px;
}
.balance b { color: var(--ink-strong); font-family: var(--mono); font-variant-numeric: tabular-nums; }
.balance.low b { color: var(--danger); }

.run-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-block-start: 4px; }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: .78125rem; font-weight: 700; color: var(--ink-3); cursor: pointer; user-select: none; }
.toggle input { appearance: none; inline-size: 34px; block-size: 20px; border-radius: 99px; background: var(--well); border: 1px solid var(--line); position: relative; cursor: pointer; transition: background-color .18s; flex: none; }
.toggle input::after { content: ""; position: absolute; inset-block-start: 2px; inset-inline-start: 2px; inline-size: 14px; block-size: 14px; border-radius: 50%; background: var(--ink-4); transition: inset-inline-start .18s var(--ease), background-color .18s; }
.toggle input:checked { background: var(--acc); border-color: var(--acc); }
.toggle input:checked::after { inset-inline-start: 16px; background: var(--on-acc); }

.meta-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-block-end: 12px; }
.chip { font-size: .78125rem; font-weight: 800; font-family: var(--mono); border-radius: 8px; padding: 4px 10px; background: var(--surface-2); border: 1px solid var(--line-soft); color: var(--ink-3); }
.chip.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.chip.err { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.chip.wait { background: var(--acc-soft); color: var(--acc-ink); border-color: transparent; }

.resp-body {
  background: var(--code-bg); border-radius: 12px; padding: 14px 16px;
  font-family: var(--mono); font-size: .78125rem; line-height: 1.7; color: var(--code-ink);
  min-block-size: 220px; max-block-size: 420px; overflow: auto; white-space: pre-wrap; word-break: break-word;
}
.resp-body .dim { color: var(--code-dim); }
.resp-body .ok { color: #8FE3B0; }
.resp-body .err { color: #FF8B75; }
.resp-body .k { color: var(--acc-ink); }
.resp-img { margin-block-start: 12px; border-radius: 12px; border: 1px solid var(--line-soft); inline-size: 100%; }
.seg-list { display: grid; gap: 8px; margin-block-start: 12px; }
.seg { display: flex; align-items: center; gap: 10px; font-size: .78125rem; color: var(--ink-2); }
.seg .bar { flex: 1; block-size: 6px; border-radius: 99px; background: var(--well); overflow: hidden; }
.seg .bar i { display: block; block-size: 100%; inline-size: 0; background: var(--acc); transition: inline-size .45s var(--ease); }
.seg .st { font-family: var(--mono); font-size: .78125rem; font-weight: 700; inline-size: 64px; text-align: end; }
.seg.done .st { color: var(--ok); }
.seg.run .st { color: var(--acc); }

.need-topup {
  margin-block-start: 12px; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; background: var(--danger-soft);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  border-radius: 12px; padding: 12px 14px; font-size: .78125rem; font-weight: 700; color: var(--danger);
}
.code-tabs { display: flex; gap: 6px; padding: 12px 16px 0; }
.code-tabs button {
  font-size: .78125rem; font-weight: 800; font-family: var(--mono);
  border-radius: 8px 8px 0 0; border: 1px solid transparent; border-block-end: 0;
  background: transparent; color: var(--ink-4); padding: 7px 14px; cursor: pointer;
}
.code-tabs button[aria-selected="true"] { background: var(--code-bg); color: var(--code-ink); border-color: var(--line-soft); }
.code-pane pre { margin: 0; border-radius: 0 0 14px 14px; }
.copy-row { display: flex; justify-content: flex-end; padding: 8px 16px 12px; }
.copy-btn { font-size: .78125rem; font-weight: 700; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink-2); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.copy-btn:hover { color: var(--ink-strong); border-color: var(--acc-line); }
.api-note { font-size: .78125rem; color: var(--ink-4); margin-block-start: 18px; text-align: center; line-height: 1.7; }

/* ---------- 登录 / 密钥 / 计费 ---------- */
.hero-sm { padding-block: clamp(48px, 6vw, 76px) 0; max-width: 760px; }
.hero-sm h1 { font-size: clamp(2rem, 4.4vw, 3.25rem); line-height: 1.1; letter-spacing: -.032em; font-weight: 800; text-wrap: balance; }
.hero-sm .lead { font-size: 1rem; color: var(--ink-2); margin-block-start: 16px; max-width: 58ch; }

.auth-card { max-width: 460px; background: var(--surface); border: 1px solid var(--line-soft); border-radius: 20px; padding: 30px 28px; box-shadow: var(--sh-1); }
.auth-card h2 { font-size: 1.375rem; letter-spacing: -.015em; margin-block-end: 8px; }
.auth-card > p { font-size: .78125rem; color: var(--ink-3); }
.auth-form { margin-block-start: 22px; display: grid; gap: 14px; }
.otp-row { display: flex; gap: 10px; }
.otp-row input { flex: 1; min-inline-size: 0; background: var(--well); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 1rem; }
.otp-row .btn { flex: none; }
.auth-msg { font-size: .78125rem; font-weight: 700; min-block-size: 18px; color: var(--danger); }
.auth-msg.ok { color: var(--ok); }

.key-card {
  background: var(--surface); border: 1px solid var(--acc-line); border-radius: 20px;
  padding: 26px 28px; box-shadow: 0 14px 36px color-mix(in srgb, var(--acc) 10%, transparent);
}
.key-card-hd { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.key-card-hd h2 { font-size: 1.125rem; }
.key-card-hd .who { font-size: .78125rem; color: var(--ink-4); font-family: var(--mono); }
.key-card-hd .out { margin-inline-start: auto; font-size: .78125rem; font-weight: 700; color: var(--ink-3); background: none; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.key-card-hd .out:hover { color: var(--danger); border-color: var(--danger); }
.key-row { display: flex; gap: 10px; align-items: center; margin-block-start: 16px; flex-wrap: wrap; }
.key-value {
  flex: 1; min-inline-size: 240px; background: var(--well); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 16px; font-family: var(--mono); font-size: .78125rem; word-break: break-all;
}
.key-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.key-note { font-size: .78125rem; color: var(--ink-4); margin-block-start: 12px; line-height: 1.7; }

.billing { margin-block-start: 26px; background: var(--surface); border: 1px solid var(--line-soft); border-radius: 20px; padding: 28px; }
.billing h2 { font-size: 1.25rem; letter-spacing: -.015em; }
.billing .lead-sm { font-size: .78125rem; color: var(--ink-3); margin-block-start: 8px; }
.bill-facts { display: flex; gap: 10px; flex-wrap: wrap; margin-block-start: 18px; }
.bill-facts span { font-size: .78125rem; font-weight: 700; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line-soft); border-radius: 999px; padding: 7px 15px; }
.bill-facts span b { color: var(--ink-strong); font-family: var(--mono); font-variant-numeric: tabular-nums; }
.bill-formula {
  margin-block-start: 18px; background: var(--well); border: 1px solid var(--line-soft);
  border-radius: 14px; padding: 16px 18px; font-size: .78125rem; line-height: 1.8; color: var(--ink-2);
}
.bill-formula code { font-family: var(--mono); font-size: .78125rem; background: var(--surface); border: 1px solid var(--line-soft); border-radius: 6px; padding: 2px 6px; }
.bill-block { margin-block-start: 26px; }
.bill-block h3 { font-size: 1rem; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.bill-block h3 small { font-size: .78125rem; font-weight: 500; color: var(--ink-4); }
.bill-block .table-scroll { margin-block-start: 12px; max-block-size: 340px; overflow-y: auto; }
.bill-block .tbl { min-inline-size: 520px; }
.bill-block .tbl thead th { position: sticky; inset-block-start: 0; z-index: 1; }
.locked {
  max-width: 540px; text-align: center; background: var(--surface);
  border: 1px dashed var(--line); border-radius: 20px; padding: 44px 30px;
  color: var(--ink-3); font-size: 1rem;
}
.locked b { display: block; color: var(--ink-strong); font-size: 1rem; margin-block-end: 8px; }

/* ---------- 充值页 ---------- */
.pay-methods { display: flex; gap: 10px; flex-wrap: wrap; margin-block-start: 26px; }
.pay { display: inline-flex; align-items: center; gap: 8px; font-size: .78125rem; font-weight: 700; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line-soft); border-radius: 12px; padding: 10px 18px; }
.pay i { inline-size: 8px; block-size: 8px; border-radius: 50%; background: var(--ok); }
.redeem { max-width: 560px; background: var(--surface); border: 1px solid var(--line-soft); border-radius: 20px; padding: 28px; text-align: center; }
.redeem h3 { font-size: 1.25rem; margin-block-end: 8px; }
.redeem p { font-size: .78125rem; color: var(--ink-3); }
.redeem-form { display: flex; gap: 10px; margin-block-start: 20px; }
.redeem-form input {
  flex: 1; min-inline-size: 0; background: var(--well); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 16px; font-family: var(--mono); font-size: 1rem;
  letter-spacing: .06em; text-align: center;
}
.redeem-msg { font-size: .78125rem; font-weight: 700; margin-block-start: 12px; min-block-size: 20px; }
.redeem-msg.ok { color: var(--ok); }
.redeem-msg.err { color: var(--danger); }

.scenarios { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 860px) { .scenarios { grid-template-columns: minmax(0, 1fr); } }
.scenario { background: var(--surface); border: 1px solid var(--line-soft); border-radius: 18px; padding: 24px; }
.scenario h4 { margin-block-end: 10px; }
.scenario p { font-size: 1rem; color: var(--ink-2); }
.scenario .route { margin-block-start: 16px; font-size: .78125rem; color: var(--ink-4); }
.scenario .route b { color: var(--acc-ink); }