/* 授权码登录 · 一键上号（8086）：浅色、桌面双栏 / 手机单栏 —— 配色与接码站同一套变量 */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }

:root {
  --blue: #1677ff;
  --blue-deep: #0958d9;
  --blue-soft: #e8f3ff;
  --blue-line: #bad6ff;
  --ink: #1a1f36;
  --sub: #5b6478;
  --mute: #8b93a7;
  --line: #e6ebf5;
  --bg: #f3f7ff;
  --surface: #ffffff;
  --ok: #0f9f6e;
  --ok-bg: #e8faf2;
  --err: #e5484d;
  --err-bg: #ffefef;
  --warn: #b26a00;
  --warn-bg: #fff7e6;
  --warn-line: #ffd591;
  --r: 16px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, Consolas, monospace;
}

body {
  min-height: 100dvh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(120% 70% at 50% -10%, #dcebff 0%, transparent 55%),
    linear-gradient(180deg, #f7faff 0%, var(--bg) 40%, #eef3fb 100%);
  -webkit-font-smoothing: antialiased;
}

.page {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: max(28px, env(safe-area-inset-top, 0px)) 20px calc(40px + var(--safe-b));
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: in 0.45s ease both;
}
@keyframes in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ───────── 首屏：介绍 + 登录卡 ───────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 20px;
  align-items: stretch;
}
.hero-intro {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 34px 30px 30px;
  color: #fff;
  background:
    radial-gradient(90% 60% at 100% 0%, rgba(255, 255, 255, 0.18) 0%, transparent 60%),
    linear-gradient(160deg, #3b8bff 0%, var(--blue-deep) 58%, #0b3fa6 100%);
  box-shadow: 0 22px 48px rgba(9, 88, 217, 0.28);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
}
.h1 {
  font-size: clamp(2rem, 4.4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.18;
}
.hero-intro .lead {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
}
.perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}
.perks li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.9rem;
  font-weight: 600;
}
.perks li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  font-size: 0.8rem;
  flex: none;
}

.hero-card {
  background: var(--surface);
  border: 1px solid rgba(22, 119, 255, 0.08);
  border-radius: 24px;
  padding: 28px 26px 24px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 18px 40px rgba(26, 55, 110, 0.07);
}
.panel { display: flex; flex-direction: column; gap: 14px; }
.eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--blue);
}
.h2 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.01em; }
.h3 { font-size: 1.02rem; font-weight: 700; margin-top: 6px; }

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0;
}
.pill-ok { background: var(--ok-bg); color: var(--ok); }
.pill-blue { background: var(--blue-soft); color: var(--blue-deep); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field-l { font-size: 0.84rem; color: var(--sub); font-weight: 600; }
.field-i {
  width: 100%;
  font: inherit;
  font-size: 0.98rem;
  color: var(--ink);
  background: #f7f9fe;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.field-i:focus {
  background: #fff;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(22, 119, 255, 0.12);
}
.field-ta { resize: vertical; min-height: 84px; font-family: var(--mono); font-size: 0.86rem; line-height: 1.5; word-break: break-all; }

.cta {
  appearance: none;
  border: 0;
  width: 100%;
  height: 48px;
  border-radius: 13px;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(90deg, var(--blue) 0%, #4aa3ff 100%);
  box-shadow: 0 10px 24px rgba(22, 119, 255, 0.28);
  transition: transform 0.12s, box-shadow 0.12s, filter 0.12s;
}
.cta:hover { filter: brightness(1.04); }
.cta:active { transform: translateY(1px); box-shadow: 0 6px 16px rgba(22, 119, 255, 0.22); }
.cta:disabled { cursor: not-allowed; filter: saturate(0.5) brightness(1.05); box-shadow: none; }

.linkbtn {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--blue);
  cursor: pointer;
}
.linkbtn:hover { text-decoration: underline; }

.note { font-size: 0.8rem; line-height: 1.6; color: var(--mute); }

.flash {
  padding: 11px 13px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.55;
  border: 1px solid transparent;
}
.flash.is-err { background: var(--err-bg); color: var(--err); border-color: #ffd1d3; }
.flash.is-ok { background: var(--ok-bg); color: var(--ok); border-color: #bdeed9; }
.flash.is-warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-line); }

/* 已登录：账号块 + 额度 */
.acct { display: flex; flex-direction: column; gap: 2px; }
.acct-mail { font-family: var(--mono); font-size: 1.02rem; font-weight: 700; word-break: break-all; }
.acct-sub { font-size: 0.8rem; color: var(--mute); }

.quota {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: #fafcff;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.quota-loading, .quota-fail { font-size: 0.86rem; color: var(--sub); }
.quota-fail { color: var(--warn); }
.q-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.q-cycle { font-size: 0.78rem; color: var(--mute); }
.q-row { display: flex; flex-direction: column; gap: 5px; }
.q-top { display: flex; justify-content: space-between; gap: 8px; font-size: 0.82rem; }
.q-l { color: var(--sub); font-weight: 600; }
.q-r { color: var(--ink); font-variant-numeric: tabular-nums; }
.q-bar { height: 7px; border-radius: 999px; background: #e9eef8; overflow: hidden; }
.q-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), #4aa3ff); transition: width 0.4s ease; }
.q-row.is-high .q-bar i { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.q-row.is-full .q-bar i { background: linear-gradient(90deg, #e5484d, #ff7b7f); }
.q-refresh { align-self: flex-end; font-size: 0.76rem; }

.progress {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 0.88rem;
  line-height: 1.5;
}
.spinner {
  width: 16px; height: 16px; flex: none;
  border-radius: 50%;
  border: 2px solid rgba(9, 88, 217, 0.25);
  border-top-color: var(--blue-deep);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ───────── 教程 ───────── */
.guide {
  background: var(--surface);
  border: 1px solid rgba(22, 119, 255, 0.08);
  border-radius: 24px;
  padding: 26px 26px 24px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 18px 40px rgba(26, 55, 110, 0.06);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.guide-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.tag2 {
  font-size: 0.74rem; font-weight: 800; letter-spacing: 0.08em;
  padding: 5px 10px; border-radius: 8px;
  background: var(--blue-soft); color: var(--blue-deep);
}
.warn {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: 12px;
  background: var(--warn-bg); border: 1px solid var(--warn-line);
  color: var(--warn); font-size: 0.9rem; line-height: 1.6;
}
.warn-i {
  flex: none; width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--warn); color: #fff; font-weight: 800; font-size: 0.8rem; margin-top: 2px;
}

.steps { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.step { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; }
.step-n {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--blue-soft); color: var(--blue-deep); border: 1px solid var(--blue-line);
  font-weight: 800; font-size: 0.86rem; margin-top: 2px;
}
.step-b { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.step-b p { font-size: 0.95rem; line-height: 1.75; color: var(--ink); }
.step-b code {
  font-family: var(--mono); font-size: 0.84em;
  background: #f1f4fa; border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px;
  word-break: break-all;
}

/* 示意图（纯 CSS，不依赖截图） */
.mock {
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(26, 55, 110, 0.08);
  font-size: 0.78rem;
}
.mock-settings {
  display: grid; grid-template-columns: 160px 1fr;
  background: #1e1e1e; color: #d4d4d4;
}
.mock-side { display: flex; flex-direction: column; gap: 4px; padding: 14px 10px; background: #181818; border-right: 1px solid #2b2b2b; }
.mock-side span { padding: 6px 10px; border-radius: 6px; color: #9a9a9a; }
.mock-side .is-on { background: #2b2b2b; color: #fff; }
.mock-main { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.mock-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 2px; }
.mock-box { background: #262626; border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.mock-box-t { color: #fff; font-weight: 600; }
.mock-box-d { color: #9a9a9a; }
.mock-hl { outline: 2px solid #e5484d; outline-offset: -2px; }
.mock-btn {
  align-self: flex-start; margin-top: 4px;
  padding: 5px 12px; border-radius: 6px;
  background: #3b8bff; color: #fff; font-weight: 600;
}
.mock-browser { background: #fff; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 12px; background: #f3f4f6; border-bottom: 1px solid var(--line); }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: #d1d5db; }
.mock-url {
  flex: 1; margin-left: 6px;
  font-family: var(--mono); font-size: 0.74rem;
  padding: 6px 10px; border-radius: 999px;
  background: #fff; border: 2px solid #e5484d; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.mock-body { padding: 26px 16px 24px; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.mock-logo { width: 34px; height: 34px; border-radius: 9px; background: #111; margin-bottom: 4px; }
.mock-h { font-weight: 700; color: var(--ink); font-size: 0.9rem; }
.mock-d { color: var(--mute); }
.mock-btn-no { background: #111; margin-top: 8px; opacity: 0.6; position: relative; }
.mock-btn-no i { font-style: normal; color: #ffb4b6; margin-left: 4px; }

.faq-h { margin-top: 4px; }
.faq { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.faq li {
  position: relative; padding-left: 18px;
  font-size: 0.9rem; line-height: 1.7; color: var(--sub);
}
.faq li::before {
  content: ""; position: absolute; left: 4px; top: 0.72em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--blue);
}

.toast {
  position: fixed; left: 50%; bottom: calc(24px + var(--safe-b));
  transform: translateX(-50%);
  background: var(--ink); color: #fff;
  padding: 10px 16px; border-radius: 999px;
  font-size: 0.86rem; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  z-index: 50;
}

/* ───────── 手机 ───────── */
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .hero-intro { padding: 26px 22px 24px; }
  .hero-card, .guide { padding: 22px 18px 20px; border-radius: 20px; }
  .mock-settings { grid-template-columns: 1fr; }
  .mock-side { flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid #2b2b2b; }
}