:root {
  --bg: #fff8ef;
  --surface: #ffffff;
  --surface-2: #fff1e0;
  --text: #2d2a32;
  --muted: #7a7383;
  --line: #f0e3d3;
  --brand: #ff7a59;
  --brand-ink: #ffffff;
  --brand-soft: #ffe4d9;
  --sky: #5cc8ff;
  --sun: #ffc94d;
  --leaf: #3cc48a;
  --danger: #e5484d;
  --shadow: 0 6px 20px rgba(120, 80, 40, 0.10);
  --radius: 18px;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1d1a22;
    --surface: #27232e;
    --surface-2: #322c3a;
    --text: #f4eef8;
    --muted: #a69fb0;
    --line: #3a3443;
    --brand-soft: #4a2e27;
    --shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { min-height: 100vh; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--brand); }
img { display: block; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 22px; text-decoration: none; color: var(--text); letter-spacing: -0.5px; }
.logo img { width: 34px; height: 34px; }
.logo b { color: var(--brand); }
.spacer { flex: 1; }
.search { flex: 0 1 320px; min-width: 0; padding: 10px 16px; border-radius: 999px; border: 2px solid var(--line); background: var(--surface); outline: none; }
.search:focus { border-color: var(--brand); }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-radius: 12px; padding: 10px 16px; cursor: pointer; font-weight: 600; background: var(--surface-2); text-decoration: none; color: var(--text); white-space: nowrap; }
.btn:hover { filter: brightness(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.danger { background: transparent; color: var(--danger); }
.btn.ghost { background: transparent; }
.btn.small { padding: 6px 10px; font-size: 13px; border-radius: 10px; }
.icon-btn { width: 42px; height: 42px; padding: 0; border-radius: 50%; font-size: 18px; }

/* ---------- 儿童首页 ---------- */
.wrap { max-width: 1280px; margin: 0 auto; padding: 20px; }
.chips { display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 14px; scrollbar-width: none; }
.chip { flex: none; border: 0; padding: 10px 20px; border-radius: 999px; background: var(--surface); box-shadow: var(--shadow); cursor: pointer; font-weight: 700; font-size: 16px; }
.chip.on { background: var(--brand); color: #fff; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.card { background: var(--surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); cursor: pointer; transition: transform .15s ease; text-decoration: none; color: inherit; display: block; border: 0; padding: 0; text-align: left; }
.card:hover { transform: translateY(-4px) scale(1.01); }
.thumb { position: relative; aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--brand-soft), var(--surface-2)); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb .dur { position: absolute; right: 8px; bottom: 8px; background: rgba(0,0,0,.72); color: #fff; font-size: 12px; padding: 2px 7px; border-radius: 6px; font-weight: 600; }
.thumb .plat { position: absolute; left: 8px; top: 8px; font-size: 11px; padding: 2px 8px; border-radius: 999px; color: #fff; font-weight: 700; }
.card .body { padding: 12px 14px 14px; }
.card .title { font-weight: 700; font-size: 16px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .sub { color: var(--muted); font-size: 13px; margin-top: 6px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.empty { text-align: center; padding: 80px 20px; color: var(--muted); }
.empty .big { font-size: 64px; }
.empty h2 { color: var(--text); }

.plat-youtube { background: #ff0033; } .plat-bilibili { background: #fb7299; } .plat-xiaohongshu { background: #ff2442; }
.plat-douyin, .plat-tiktok { background: #111; } .plat-vimeo { background: #1ab7ea; } .plat-qq { background: #ff6a00; }
.plat-youku { background: #1f8cff; } .plat-iqiyi { background: #00be06; } .plat-ixigua { background: #fe2c55; } .plat-other, .plat-direct, .plat-dailymotion, .plat-mgtv { background: #6b5bd2; }

/* ---------- 播放页 ---------- */
.watch { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; }
.player { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.player.portrait { aspect-ratio: 9 / 16; max-height: 78vh; width: auto; margin: 0 auto; }
.player iframe, .player video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #000; }
.player .msg { position: absolute; inset: 0; display: grid; place-items: center; color: #fff; text-align: center; padding: 24px; gap: 12px; align-content: center; }
.watch h1 { font-size: 22px; margin: 16px 0 4px; }
.watch .meta { color: var(--muted); }
.side { display: flex; flex-direction: column; gap: 12px; }
.side .card { display: grid; grid-template-columns: 150px 1fr; }
.side .card .title { font-size: 14px; }
.side .card .body { padding: 8px 10px; }
.player-bar { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

/* ---------- 家长后台 ---------- */
.admin { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; }
.nav { display: flex; flex-direction: column; gap: 6px; position: sticky; top: 84px; align-self: start; }
.nav button { text-align: left; border: 0; background: transparent; padding: 12px 14px; border-radius: 12px; cursor: pointer; font-weight: 600; }
.nav button.on { background: var(--surface); box-shadow: var(--shadow); color: var(--brand); }
.panel { background: var(--surface); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin-bottom: 20px; }
.panel h2 { margin: 0 0 6px; font-size: 20px; }
.panel h3 { margin: 18px 0 8px; font-size: 16px; }
.hint { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 4px 0 14px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.field { width: 100%; padding: 12px 14px; border-radius: 12px; border: 2px solid var(--line); background: var(--bg); outline: none; }
.field:focus { border-color: var(--brand); }
textarea.field { min-height: 70px; resize: vertical; font-family: ui-monospace, Menlo, monospace; font-size: 12px; }
.grow { flex: 1; min-width: 200px; }
label.inline { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.platforms { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.platforms span { font-size: 12px; padding: 3px 10px; border-radius: 999px; color: #fff; font-weight: 600; }

.pick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-top: 14px; }
.pick { position: relative; border-radius: 14px; overflow: hidden; background: var(--bg); border: 3px solid transparent; cursor: pointer; }
.pick.on { border-color: var(--brand); }
.pick.added { opacity: .55; }
.pick .title { font-size: 13px; padding: 8px 10px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pick .check { position: absolute; top: 8px; right: 8px; width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,.9); display: grid; place-items: center; font-weight: 800; color: var(--brand); border: 2px solid var(--brand); }
.pick.on .check { background: var(--brand); color: #fff; }
.sticky-actions { position: sticky; bottom: 0; background: var(--surface); padding: 14px 0 4px; margin-top: 14px; border-top: 1px solid var(--line); }

.lib { width: 100%; border-collapse: collapse; }
.lib td { padding: 10px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.lib img { width: 112px; aspect-ratio: 16/9; object-fit: cover; border-radius: 8px; background: var(--surface-2); }
.lib .t { font-weight: 600; }
.lib .s { color: var(--muted); font-size: 12px; margin-top: 4px; }
.lib select { padding: 6px 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); }

.login-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.login-item { border: 2px solid var(--line); border-radius: 14px; padding: 14px; }
.login-item .name { font-weight: 700; display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-weight: 600; }
.badge.ok { background: #dff6ea; color: #138a55; }
.warn { background: #fff4d6; color: #8a6300; padding: 10px 14px; border-radius: 12px; font-size: 14px; line-height: 1.6; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .warn { background: #3a3220; color: #f0d48a; } :root:not([data-theme="light"]) .badge.ok { background: #1e3b2d; color: #7ee0ad; } }

/* ---------- 弹窗 ---------- */
.mask { position: fixed; inset: 0; background: rgba(20, 10, 30, .45); display: grid; place-items: center; z-index: 50; padding: 16px; }
.dialog { background: var(--surface); border-radius: 24px; padding: 28px; width: min(420px, 100%); box-shadow: 0 20px 60px rgba(0,0,0,.25); text-align: center; }
.dialog h2 { margin: 0 0 8px; }
.pin-dots { display: flex; gap: 14px; justify-content: center; margin: 18px 0; }
.pin-dots i { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--brand); }
.pin-dots i.on { background: var(--brand); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 72px); gap: 12px; justify-content: center; }
.pin-pad button { height: 64px; border-radius: 18px; border: 0; background: var(--surface-2); font-size: 24px; font-weight: 700; cursor: pointer; }
.pin-pad button:active { transform: scale(.95); }
.math { font-size: 28px; font-weight: 800; margin: 12px 0; }
.shake { animation: shake .35s; }
@keyframes shake { 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }

#toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); background: #2d2a32; color: #fff; padding: 12px 20px; border-radius: 999px; opacity: 0; transition: .25s; pointer-events: none; z-index: 60; max-width: calc(100% - 32px); text-align: center; }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.rest { text-align: center; padding: 60px 20px; }
.rest .big { font-size: 90px; }
.spin { width: 36px; height: 36px; border: 4px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin 1s linear infinite; }
.spin.dark { border-color: var(--line); border-top-color: var(--brand); }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .watch, .admin { grid-template-columns: 1fr; }
  .nav { position: static; flex-direction: row; overflow-x: auto; }
  .nav button { flex: none; }
  .side .card { grid-template-columns: 130px 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 14px 16px; }
  .topbar { padding: 10px 16px; }
  .logo span { display: none; }
  .grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card .title { font-size: 14px; }
  .panel { padding: 18px; }
  .lib img { width: 80px; }
}

/* ---------- 防跳出遮罩 ---------- */
.shield { position: absolute; z-index: 2; background: transparent; cursor: default; }
.shield.top { left: 0; right: 0; top: 0; height: max(56px, 14%); }
.shield.yt-logo { right: 0; bottom: 0; width: 120px; height: 52px; }
.yt-cover { position: absolute; inset: 0 0 52px 0; z-index: 3; display: grid; place-items: center; background: rgba(0,0,0,.55); }
.yt-cover[hidden] { display: none; }
.yt-cover .ended { display: grid; gap: 12px; justify-items: center; color: #fff; font-size: 22px; font-weight: 800; }
.yt-cover .ended .big { font-size: 56px; }
.play-big { width: 96px; height: 96px; border-radius: 50%; border: 0; background: var(--brand); color: #fff; font-size: 40px; cursor: pointer; box-shadow: 0 8px 30px rgba(0,0,0,.35); padding-left: 8px; }
.player:fullscreen { border-radius: 0; aspect-ratio: auto; }

.single { display: flex; gap: 16px; margin-top: 20px; align-items: flex-start; flex-wrap: wrap; }
.single > .thumb { width: 260px; max-width: 100%; border-radius: 14px; overflow: hidden; flex: none; }
.pin-pad .txt { font-size: 16px; }
.lang { font-size: 14px; font-weight: 800; }
.table-wrap { overflow-x: auto; }
@media (max-width: 560px) { .topbar .badge { display: none; } }

/* ---------- 手机 ---------- */
.pseudo-fs { position: fixed !important; inset: 0; z-index: 100; width: 100vw !important; height: 100dvh !important; max-height: none !important; aspect-ratio: auto !important; border-radius: 0 !important; }
.fs-exit { position: absolute; z-index: 5; top: max(10px, env(safe-area-inset-top)); right: 10px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgba(0,0,0,.55); color: #fff; font-size: 18px; }
.player:not(.pseudo-fs) .fs-exit { display: none; }
body.no-scroll { overflow: hidden; }
.topbar { padding-top: max(10px, env(safe-area-inset-top)); }
@media (max-width: 560px) {
  .search { flex: 1 1 auto; padding: 8px 12px; }
  .watch h1 { font-size: 18px; }
  .pick-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .single > .thumb { width: 100%; }
  .pin-pad { grid-template-columns: repeat(3, 64px); }
  .dialog { padding: 22px 16px; }
}
.steps ol { margin: 0 0 8px; padding-left: 20px; line-height: 1.75; font-size: 14px; }
.steps li { margin-bottom: 4px; }

/* SVG 图标 */
.ico { display: block; flex: none; }
.empty .big, .rest .big { display: flex; justify-content: center; color: var(--brand); margin-bottom: 8px; }
.yt-cover .ended .big { color: var(--sun); }
.search { padding-left: 40px; background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%237a7383' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 14px center; }
@media (max-width: 560px) { .search { padding: 8px 12px 8px 38px; background-position: 12px center; } }

/* iOS：取消双击缩放的判定，快速连续点击（如输入密码）不会丢失 */
html, body, button, a, .card, .pick, .chip { touch-action: manipulation; }
button, a, .card, .pick { -webkit-tap-highlight-color: transparent; }

/* 二级分类：按博主归类 */
.chips.sub { padding-top: 0; margin-top: -4px; }
.chip.folder { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; padding: 8px 14px; font-weight: 600; }
.chip.folder em { font-style: normal; font-size: 12px; opacity: .65; }
.chip.folder .ico { opacity: .8; }
.lib td.acts { white-space: nowrap; text-align: right; }
.lib td.acts .btn { margin-left: 4px; }

.testout { background: var(--bg); border: 2px solid var(--line); border-radius: 12px; padding: 12px; font-size: 12px; line-height: 1.6; white-space: pre-wrap; word-break: break-all; margin-top: 10px; }

/* 手机：视频库改为卡片式，避免标题列被挤成一字一行 */
@media (max-width: 640px) {
  .lib, .lib tbody { display: block; }
  .lib tr { display: grid; grid-template-columns: 96px minmax(0, 1fr); column-gap: 12px; row-gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .lib td { display: block; padding: 0; border: 0; }
  .lib td:first-child { grid-row: 1 / span 3; width: auto !important; }
  .lib td:only-child { grid-column: 1 / -1; }
  .lib img { width: 96px; }
  .lib .t { font-size: 15px; line-height: 1.35; word-break: break-word; }
  .lib select { max-width: 100%; }
  .lib td.acts { text-align: left; white-space: normal; }
  .lib td.acts .btn { margin: 0 6px 6px 0; }
}

/* 合集 */
.plat-series { background: #6b5bd2; display: inline-flex; align-items: center; gap: 4px; }
.card.stack { box-shadow: 6px 6px 0 -1px var(--surface), 6px 6px 0 0 var(--line), 12px 12px 0 -1px var(--surface), 12px 12px 0 0 var(--line), var(--shadow); }
.card.current { outline: 3px solid var(--brand); }
.ep-tag { color: var(--brand); font-weight: 700; }
.series-head { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; }
.series-head h1 { margin: 0; font-size: 22px; }
.side-title { display: flex; align-items: center; gap: 6px; margin: 4px 0 0; font-size: 15px; color: var(--muted); }
.collection-box { display: flex; align-items: center; gap: 10px; background: var(--brand-soft); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; font-size: 14px; flex-wrap: wrap; }
.next-cover { position: absolute; inset: 0; z-index: 6; display: grid; place-content: center; gap: 10px; text-align: center; color: #fff; background: rgba(0,0,0,.72); padding: 16px; }
.next-cover .next-label { opacity: .8; }
.next-cover .next-title { font-size: 20px; font-weight: 800; max-width: 520px; }
.next-hint { position: absolute; left: 12px; right: 12px; bottom: 56px; z-index: 6; display: flex; gap: 8px; align-items: center; background: rgba(0,0,0,.78); color: #fff; border-radius: 14px; padding: 8px 10px; font-size: 14px; }
.next-hint span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.login-state { font-size: 13px; font-weight: 600; margin: 0 0 10px; }
.login-state.on { color: #1a9b4b; }
.login-state.off { color: #d9534f; }
.login-state.muted { color: var(--muted); font-weight: 400; }

/* 手机竖屏：播放器只有约 200px 高，覆盖层上的图标和按钮要相应缩小（全屏横屏时宽度 > 640，不受影响） */
.yt-cover .ended .row { justify-content: center; }
@media (max-width: 640px) {
  .yt-cover { inset: 0 0 40px 0; }
  .yt-cover .ended { gap: 6px; font-size: 16px; }
  .yt-cover .ended .big svg { width: 34px; height: 34px; }
  .yt-cover .ended .btn, .next-cover .btn { padding: 7px 14px; font-size: 14px; min-height: 0; }
  .play-big { width: 60px; height: 60px; font-size: 24px; padding-left: 5px; }
  .next-cover { gap: 4px; padding: 10px; }
  .next-cover .next-label, .next-cover .next-count { font-size: 13px; }
  .next-cover .next-title { font-size: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .player .msg { padding: 12px; gap: 6px; font-size: 14px; }
  .player .msg svg { width: 32px; height: 32px; }
  .player .msg .btn { padding: 7px 14px; font-size: 14px; }
  .spin { width: 28px; height: 28px; border-width: 3px; }
  .next-hint { bottom: 44px; left: 8px; right: 8px; padding: 6px 8px; font-size: 13px; }
}
.sandbox-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 4px 12px; margin: 4px 0 14px; }

/* 视频库：勾选 / 批量删除 / 确认弹窗 */
.btn.danger-solid { background: var(--danger); color: #fff; }
.lib td.thumb-cell { position: relative; }
.lib .chk { position: absolute; top: 14px; left: 10px; z-index: 1; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: rgba(255,255,255,.92); box-shadow: 0 1px 4px rgba(0,0,0,.2); cursor: pointer; }
.lib .chk input { width: 18px; height: 18px; margin: 0; cursor: pointer; accent-color: var(--brand); }
.lib tr.on td { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.row.bulk .btn:disabled { opacity: .4; }
.confirm-body { color: var(--muted); line-height: 1.55; margin: 0 0 16px; }
.confirm-body b { color: var(--danger); }
.confirm-extra { justify-content: center; margin-bottom: 12px; }
.confirm-acts { justify-content: center; }
@media (max-width: 640px) {
  .lib .chk { top: 16px; left: 4px; }
  .lib tr.on { background: color-mix(in srgb, var(--brand) 8%, transparent); border-radius: 12px; }
  .lib tr.on td { background: none; }
}

/* 播放记录：缩略图进度条、首页"接着看"、续播提示 */
.thumb .prog { position: absolute; left: 0; right: 0; bottom: 0; height: 5px; background: rgba(0,0,0,.25); }
.thumb .prog i { display: block; height: 100%; background: var(--brand); }
.row-title { display: flex; align-items: center; gap: 6px; font-size: 18px; margin: 6px 0 12px; }
.grid.continue { margin-bottom: 22px; }
.resume-at { font-size: 12px; font-weight: 700; color: var(--brand); margin-bottom: 2px; }
.resume-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 10px 0 0; padding: 8px 12px; border-radius: 12px; background: var(--brand-soft); font-size: 14px; transition: opacity .6s; }
.resume-bar.fade { opacity: .55; }

/* 博主视频排序 */
.chips.sort { margin-top: -4px; }
.chips.sort .chip { padding: 6px 14px; font-size: 14px; }

.plat-baidupan { background: #06a7ff; }
.subfolders { margin: 16px 0 4px; } .subfolders .hint { margin: 0 0 8px; } .subfolders .row { flex-wrap: wrap; gap: 8px; }
.link-btn { border: 0; background: none; padding: 0; font: inherit; color: var(--brand); cursor: pointer; display: inline-flex; align-items: center; gap: 3px; }
.link-btn:hover { text-decoration: underline; }
.series-opts { flex-wrap: wrap; align-items: center; gap: 10px; } .series-name { display: flex; align-items: center; gap: 8px; min-width: 220px; font-size: 14px; white-space: nowrap; }

/* 新用户指引 */
.welcome { max-width: 720px; margin: 24px auto 40px; }
.welcome > .big { display: flex; justify-content: center; color: var(--brand); }
.welcome > h2, .welcome > .hint { text-align: center; }
.welcome-step { display: flex; gap: 14px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-top: 14px; }
.welcome-step .num { flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.welcome-step .body { flex: 1; min-width: 0; }
.welcome-step h3 { margin: 4px 0 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.guide-dev { font-weight: 700; margin: 10px 0 4px; }
.guide-steps { margin: 0 0 8px; padding-left: 20px; line-height: 1.7; font-size: 14px; }
.guide-steps li { margin-bottom: 10px; }
.guide-btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.guide-btns .btn { white-space: normal; text-align: center; }
.guide-other { margin: 6px 0; font-size: 14px; }
.guide-other summary { cursor: pointer; color: var(--muted); font-weight: 600; padding: 4px 0; }
@media (max-width: 600px) { .welcome-step { padding: 14px; gap: 10px; } }