/* ============================================================
   DNS 一键修复工具箱 —— 样式
   主题通过 html[data-theme] 切换，CSS 变量驱动
   ============================================================ */

:root {
  --bg: #f4f6fb;
  --bg-soft: #ffffff;
  --panel: rgba(255, 255, 255, .82);
  --panel-border: rgba(15, 23, 42, .08);
  --text: #0f172a;
  --text-dim: #5a6577;
  --text-faint: #8b95a7;
  --accent: #4f6ef7;
  --accent-2: #22c3d6;
  --accent-soft: rgba(79, 110, 247, .12);
  --ok: #12a97a;
  --warn: #d98217;
  --danger: #e04b57;
  /* 代码区（跟随主题） */
  --code-bg: #f6f8fd;
  --code-text: #1b2a44;
  --code-head: rgba(15, 23, 42, .04);
  --code-line: rgba(15, 23, 42, .09);
  --code-hover: rgba(15, 23, 42, .035);
  --code-gutter: rgba(15, 23, 42, .52);
  --code-scroll: rgba(15, 23, 42, .18);
  --code-cmt: #526077;
  --code-kw: #1d4ed8;
  --code-str: #0b7f57;
  --code-num: #b45309;
  --code-fn: #6d28d9;
  --code-cmd: #0b7f57;
  --code-link: #0e7490;
  --code-btn-bg: rgba(15, 23, 42, .05);
  --code-btn-line: rgba(15, 23, 42, .12);
  --code-btn-text: #334155;
  --shadow: 0 18px 46px -22px rgba(15, 23, 42, .35);
  --radius: 16px;
  --mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

html[data-theme="dark"] {
  --bg: #070b16;
  --bg-soft: #0d1424;
  --panel: rgba(17, 25, 42, .74);
  --panel-border: rgba(148, 178, 255, .14);
  --text: #e8eeff;
  --text-dim: #a3b0cc;
  --text-faint: #71809d;
  --accent: #6d8bff;
  --accent-2: #48d3e0;
  --accent-soft: rgba(109, 139, 255, .16);
  --ok: #3ad29f;
  --warn: #f0a83c;
  --danger: #ff6d78;
  --code-bg: #070c17;
  --code-text: #d7e2f7;
  --code-head: rgba(255, 255, 255, .035);
  --code-line: rgba(255, 255, 255, .09);
  --code-hover: rgba(255, 255, 255, .045);
  --code-gutter: rgba(255, 255, 255, .42);
  --code-scroll: rgba(255, 255, 255, .16);
  --code-cmt: #7f8cab;
  --code-kw: #8fb8ff;
  --code-str: #9ce6b0;
  --code-num: #f4c98a;
  --code-fn: #e2b0ff;
  --code-cmd: #a5f3c4;
  --code-link: #48d3e0;
  --code-btn-bg: rgba(255, 255, 255, .07);
  --code-btn-line: rgba(255, 255, 255, .16);
  --code-btn-text: #dbe4f5;
  --shadow: 0 24px 60px -28px rgba(0, 0, 0, .85);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .35s ease, color .35s ease;
}

/* ---------- 背景装饰 ---------- */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58rem 34rem at 12% -8%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 62%),
    radial-gradient(52rem 30rem at 92% 4%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 60%),
    radial-gradient(40rem 40rem at 60% 108%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 65%);
}
html[data-theme="dark"] .bg-decor::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
}

/* ---------- 头部 ---------- */
.site-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 26px 24px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 14px; }

.logo {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 15px;
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
  border: 1px solid var(--panel-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12);
}

.brand-text h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: .2px;
  background: linear-gradient(96deg, var(--text), color-mix(in srgb, var(--accent) 70%, var(--text)));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-text p { margin: 2px 0 0; font-size: 13px; color: var(--text-dim); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.os-badge {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text-dim);
  white-space: nowrap;
}
.os-badge.known { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }

.icon-btn {
  width: 38px; height: 38px;
  border-radius: 11px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
}
.icon-btn:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

.ghost-btn {
  font-size: 13px;
  text-decoration: none;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 11px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  transition: color .15s ease, border-color .15s ease;
}
.ghost-btn:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

/* ---------- 布局 ---------- */
.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px 8px;
  display: grid;
  grid-template-columns: minmax(340px, .92fr) 1.18fr;
  gap: 20px;
  align-items: start;
}

.panel {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.panel-head > div:first-child { display: flex; align-items: center; gap: 10px; }
.panel-head h2 { margin: 0; font-size: 17px; letter-spacing: .2px; }

.step-no {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 9px;
  font-size: 13px; font-weight: 700;
  color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}

.badge {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.head-tools { display: flex; gap: 8px; }

/* ---------- 预设 ---------- */
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }

.preset-btn {
  border: 1px dashed var(--panel-border);
  background: transparent;
  color: var(--text-dim);
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .18s ease;
}
.preset-btn:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.preset-btn.active {
  border-style: solid;
  color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  border-color: transparent;
}

/* ---------- 工具栏 ---------- */
.toolbar { display: grid; gap: 10px; margin-bottom: 14px; }

.search-box {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 60%, transparent);
  color: var(--text-faint);
}
.search-box input {
  flex: 1;
  border: 0; outline: 0; background: transparent;
  color: var(--text);
  font-size: 14px;
  min-width: 0;
}
.search-box input::placeholder { color: var(--text-faint); }

.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  padding: 4px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .16s ease;
}
.chip:hover { color: var(--accent); }
.chip.active {
  color: #fff;
  background: var(--accent);
  border-color: transparent;
}

/* ---------- 服务商卡片 ---------- */
.provider-list {
  display: grid;
  gap: 10px;
  max-height: 46vh;
  overflow-y: auto;
  padding: 2px 4px 4px 2px;
  scrollbar-width: thin;
}
.provider-list::-webkit-scrollbar { width: 8px; }
.provider-list::-webkit-scrollbar-thumb { background: var(--panel-border); border-radius: 8px; }

.provider {
  position: relative;
  border: 1px solid var(--panel-border);
  border-radius: 13px;
  padding: 12px 13px;
  cursor: pointer;
  background: color-mix(in srgb, var(--bg-soft) 45%, transparent);
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.provider:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent) 42%, transparent); }
.provider.selected {
  border-color: color-mix(in srgb, var(--accent) 62%, transparent);
  background: var(--accent-soft);
}
.provider.selected::after {
  content: "✓";
  position: absolute;
  top: 10px; right: 12px;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  font-size: 12px; color: #fff;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}

.provider-top { display: flex; align-items: baseline; gap: 8px; padding-right: 26px; }
.provider-name { font-size: 14.5px; font-weight: 650; }
.provider-alias { font-size: 11.5px; color: var(--text-faint); font-family: var(--mono); }
.provider-note { margin: 3px 0 8px; font-size: 12px; color: var(--text-dim); }

.ip-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

.ip-chip {
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 7px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  white-space: nowrap;
}
.ip-chip.v6 { color: var(--accent-2); border-color: color-mix(in srgb, var(--accent-2) 30%, transparent); background: color-mix(in srgb, var(--accent-2) 12%, transparent); }

.tag-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.tag {
  font-size: 10.5px;
  padding: 1px 7px;
  border-radius: 6px;
  color: var(--text-faint);
  border: 1px solid var(--panel-border);
}
.tag.region-cn { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 34%, transparent); }
.tag.region-global { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 34%, transparent); }
.tag.enc { color: var(--accent-2); border-color: color-mix(in srgb, var(--accent-2) 34%, transparent); }

.latency { font-family: var(--mono); font-size: 11px; color: var(--text-faint); margin-left: auto; }
.latency.good { color: var(--ok); }
.latency.mid { color: var(--warn); }
.latency.bad { color: var(--danger); }

/* ---------- 自定义添加 ---------- */
.custom-add { display: flex; gap: 8px; margin: 14px 0 4px; }
.custom-add input {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border-radius: 11px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 60%, transparent);
  color: var(--text);
  font-size: 13.5px;
  outline: 0;
}
.custom-add input:focus { border-color: color-mix(in srgb, var(--accent) 55%, transparent); }

.tiny-btn {
  border: 1px solid var(--panel-border);
  background: var(--accent-soft);
  color: color-mix(in srgb, var(--accent) 85%, var(--text));
  font-size: 12.5px;
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .16s ease;
}
.tiny-btn:hover { border-color: color-mix(in srgb, var(--accent) 55%, transparent); transform: translateY(-1px); }
.tiny-btn.ghost { background: transparent; color: var(--text-dim); }

.link-btn {
  border: 0; background: none; cursor: pointer;
  color: var(--text-faint); font-size: 12px; padding: 0;
}
.link-btn:hover { color: var(--danger); }

/* ---------- 已选列表 ---------- */
.selected-box {
  margin-top: 14px;
  padding: 14px;
  border-radius: 13px;
  border: 1px dashed var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 34%, transparent);
}

.selected-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.selected-head h3 { margin: 0; font-size: 13.5px; }
.selected-head small { color: var(--text-faint); font-weight: 400; }

.selected-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 7px; }
.selected-list:empty::after {
  content: "还没有选择 DNS，点上面的卡片或预设开始 ➜";
  display: block;
  font-size: 12.5px;
  color: var(--text-faint);
  padding: 8px 0;
}

.sel-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 9px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 55%, transparent);
}
.sel-item .idx {
  font-family: var(--mono); font-size: 11px;
  color: var(--text-faint); width: 18px; text-align: center;
}
.sel-item .val { font-family: var(--mono); font-size: 12.5px; flex: 1; word-break: break-all; }
.sel-item .src { font-size: 10.5px; color: var(--text-faint); }
.sel-item .ops { display: flex; gap: 2px; }
.sel-item .ops button {
  width: 24px; height: 24px;
  border: 0; border-radius: 7px;
  background: transparent; color: var(--text-faint);
  cursor: pointer; font-size: 12px; line-height: 1;
}
.sel-item .ops button:hover { background: var(--accent-soft); color: var(--accent); }
.sel-item .ops button:disabled { opacity: .3; cursor: not-allowed; }
.sel-item .ops button:disabled:hover { background: none; color: var(--text-faint); }
.sel-item .ops button.danger:hover { color: var(--danger); }
.sel-item.primary .val { color: color-mix(in srgb, var(--accent) 80%, var(--text)); font-weight: 600; }

.options { display: grid; gap: 12px; margin-top: 12px; }

.scope-block { display: grid; gap: 7px; }
.opt-label { font-size: 12.5px; color: var(--text-dim); }
.opt-label small { color: var(--text-faint); }

.seg {
  display: inline-flex;
  padding: 3px;
  gap: 3px;
  border-radius: 11px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 55%, transparent);
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
}
.seg-btn {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 12.5px;
  padding: 6px 13px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .16s ease;
}
.seg-btn:hover { color: var(--accent); }
.seg-btn.active {
  color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 14px -6px color-mix(in srgb, var(--accent) 70%, transparent);
}
.scope-hint { margin: 0; font-size: 11.5px; color: var(--text-faint); line-height: 1.5; }

.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.switch input { display: none; }
.switch .track {
  width: 34px; height: 19px;
  border-radius: 999px;
  background: var(--panel-border);
  position: relative;
  transition: background .18s ease;
  flex: none;
}
.switch .dot {
  position: absolute; top: 2px; left: 2px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
  transition: transform .18s ease;
}
.switch input:checked + .track { background: linear-gradient(140deg, var(--accent), var(--accent-2)); }
.switch input:checked + .track .dot { transform: translateX(15px); }
.switch-label { font-size: 12.5px; color: var(--text-dim); }

.latency-row { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.latency-row .hint { font-size: 11.5px; color: var(--text-faint); }

/* ---------- 一键命令卡片 ---------- */
.cmd-wrap { padding: 14px; display: grid; gap: 14px; }

.cmd-tip {
  display: flex; gap: 9px;
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 10px 12px;
  border-radius: 11px;
  border: 1px dashed color-mix(in srgb, var(--accent) 34%, transparent);
  background: var(--accent-soft);
}
.cmd-tip b { color: color-mix(in srgb, var(--accent) 85%, var(--text)); }
.cmd-tip .ico { flex: none; }

.cmd-platform {
  border: 1px solid var(--panel-border);
  border-radius: 13px;
  padding: 12px;
  background: color-mix(in srgb, var(--bg-soft) 30%, transparent);
}
.cmd-platform.own {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

.cmd-p-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.cmd-p-logo { font-size: 20px; line-height: 1; flex: none; }
.cmd-p-title { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.cmd-p-title strong { font-size: 14.5px; }
.cmd-p-title small { font-size: 11.5px; color: var(--text-faint); }
.cmd-p-head .tiny-btn { margin-left: auto; }
.cmd-own-tag {
  font-size: 10.5px;
  color: #fff;
  padding: 1px 8px;
  border-radius: 999px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}

.cmd-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.cmd-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 9px 10px;
  border-radius: 11px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 50%, transparent);
}
.cmd-no {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-size: 11.5px; font-weight: 700;
  color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  margin-top: 2px;
}
.cmd-body { min-width: 0; }
.cmd-title { font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.cmd-cmd {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 7px 9px;
  border-radius: 9px;
  background: var(--code-bg);
  border: 1px solid var(--code-line);
}
.cmd-cmd code {
  flex: 1;
  min-width: 0;
  font-family: var(--mono);
  font-size: 11.8px;
  line-height: 1.6;
  color: var(--code-cmd);
  word-break: break-all;
  white-space: pre-wrap;
}
.cmd-copy {
  flex: none;
  border: 1px solid var(--code-btn-line);
  background: var(--code-btn-bg);
  color: var(--code-btn-text);
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 7px;
  cursor: pointer;
  transition: all .16s ease;
}
.cmd-copy:hover { background: var(--code-hover); border-color: var(--code-gutter); }
.cmd-note { margin-top: 5px; font-size: 11.5px; color: var(--text-faint); line-height: 1.55; }

/* ---------- 标签页 ---------- */
.tabbar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }

.tab {
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 11px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: all .16s ease;
}
.tab small { font-size: 10.5px; color: var(--text-faint); }
.tab:hover { color: var(--accent); }
.tab.active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.tab.active small { color: rgba(255, 255, 255, .8); }

/* ---------- 代码卡片 ---------- */
.code-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--code-line);
  background: var(--code-bg);
}

.code-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--code-line);
  background: var(--code-head);
}
.file-name { font-family: var(--mono); font-size: 12.5px; color: var(--code-text); }
.file-meta { font-size: 11px; color: var(--text-faint); margin-left: auto; }

.code-body {
  max-height: 56vh;
  overflow: auto;
  padding: 12px 0;
  font-family: var(--mono);
  font-size: 12.2px;
  line-height: 1.65;
  tab-size: 2;
}
.code-body::-webkit-scrollbar { width: 9px; height: 9px; }
.code-body::-webkit-scrollbar-thumb { background: var(--code-scroll); border-radius: 8px; }

.code-line { display: flex; gap: 12px; padding: 0 14px; white-space: pre; }
.code-line:hover { background: var(--code-hover); }
.code-line .ln {
  user-select: none;
  width: 3.2em;
  text-align: right;
  color: var(--code-gutter);
  flex: none;
}
.code-line .lc { color: var(--code-text); word-break: break-word; white-space: pre-wrap; }
.code-line.comment .lc { color: var(--code-cmt); font-style: italic; }
.code-line.kw .lc { color: var(--code-kw); }
.code-line.str .lc { color: var(--code-str); }
.code-line.num .lc { color: var(--code-num); }
.code-line.fn .lc { color: var(--code-fn); }

.code-foot {
  color: var(--text-dim);
  padding: 9px 14px;
  border-top: 1px solid var(--code-line);
  font-size: 11.5px;
  background: var(--code-head);
}
.code-foot code { font-family: var(--mono); color: var(--code-link); }

/* ---------- 流程说明 ---------- */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }

.flow-item {
  display: flex; gap: 10px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 40%, transparent);
}
.flow-no {
  width: 22px; height: 22px; flex: none;
  display: grid; place-items: center;
  border-radius: 7px;
  font-size: 11px; font-weight: 700;
  color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
}
.flow-item strong { font-size: 13px; display: block; }
.flow-item p { margin: 3px 0 0; font-size: 11.5px; color: var(--text-dim); }
.flow-item code { font-family: var(--mono); font-size: 11px; color: var(--accent-2); }

/* ---------- 说明 ---------- */
.notes { margin-top: 14px; display: grid; gap: 8px; }
.note {
  display: flex; gap: 9px;
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 10px 12px;
  border-radius: 11px;
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--bg-soft) 30%, transparent);
}
.note .ico { flex: none; }
.note.warn { border-color: color-mix(in srgb, var(--warn) 34%, transparent); }
.note.ok { border-color: color-mix(in srgb, var(--ok) 30%, transparent); }

/* ---------- 页脚 / Toast ---------- */
.site-footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 24px 34px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-dim);
}
.site-footer p { margin: 3px 0; }
.site-footer .dim { color: var(--text-faint); font-size: 11.5px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translate(-50%, 18px);
  padding: 11px 20px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--panel-border);
  color: var(--text);
  font-size: 13.5px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 50;
  max-width: 86vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { border-color: color-mix(in srgb, var(--danger) 50%, transparent); color: var(--danger); }

.empty-tip {
  padding: 28px 14px;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .provider-list { max-height: 40vh; }
  .flow { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header, .layout, .site-footer { padding-left: 14px; padding-right: 14px; }
  .panel { padding: 15px; }
  .brand-text h1 { font-size: 19px; }
  .code-body { font-size: 11.4px; }
  .os-badge { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}