.user-page {
  --user-bg: #edf3fa;
  --user-card: #ffffff;
  --user-ink: #18263a;
  --user-muted: #68768a;
  --user-line: #dbe4ef;
  --user-blue: #2f6fda;
  --user-blue-soft: #edf4ff;
  --user-green: #187d63;
  background: var(--user-bg);
  color: var(--user-ink);
}

.user-page .topbar {
  height: 64px;
  border-color: #d8e2ee;
  background: rgba(255, 255, 255, .88);
}

.user-page .brand { color: #17365e; }
.user-page .brand span,
.user-page footer { color: var(--user-muted); }
.user-page .topbar nav a { color: #52657d; text-decoration: none; }
.user-page .topbar nav a:hover { color: var(--user-blue); }
.user-page .container { max-width: 940px; padding: 48px 20px 72px; }
.user-page footer { border-color: #d8e2ee; }

.user-workspace { width: 100%; }

.service-card {
  overflow: hidden;
  background: var(--user-card);
  border: 1px solid rgba(203, 216, 231, .9);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(45, 69, 101, .12);
}

.service-brand { padding: 34px 42px 24px; text-align: center; }
.service-brand span {
  display: block;
  color: #7b8da4;
  font: 700 10px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 3px;
}
.service-brand h1 {
  margin: 4px 0 0;
  color: #102f51;
  font: 800 42px/1.1 Inter, "Microsoft YaHei", sans-serif;
  letter-spacing: -1.5px;
}
.service-brand p { margin: 7px 0 0; color: var(--user-muted); font-size: 13px; }

.service-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0 42px;
  border-bottom: 1px solid var(--user-line);
}
.service-tab {
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: #758398;
  padding: 14px 12px 13px;
  font: 700 15px/1.2 inherit;
  cursor: pointer;
}
.service-tab:hover { color: var(--user-blue); background: #f8fbff; }
.service-tab.active { color: var(--user-blue); border-bottom-color: var(--user-blue); }
.service-tab:focus-visible,
.edition-card:focus-visible,
.user-page input:focus-visible,
.user-page .button:focus-visible { outline: 3px solid rgba(47, 111, 218, .25); outline-offset: 2px; }

.service-panel { padding: 28px 42px 40px; }
.service-panel[hidden] { display: none !important; }

.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 14px; }
.section-heading > div { display: flex; align-items: center; gap: 10px; }
.section-heading h2 { margin: 0; font-size: 16px; line-height: 1.3; }
.section-heading p { margin: 0; color: var(--user-muted); font-size: 12px; text-align: right; }
.section-index {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: #eef3f9;
  color: #62748a;
  font: 700 11px/1 ui-monospace, monospace;
}

.edition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.edition-card {
  min-height: 96px;
  padding: 18px 20px;
  border: 1px solid var(--user-line);
  border-radius: 14px;
  background: #f9fbfd;
  color: var(--user-ink);
  text-align: left;
  cursor: default;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.edition-card .edition-number { display: block; color: #8492a6; font: 700 9px/1.2 ui-monospace, monospace; letter-spacing: 1.5px; }
.edition-card strong { display: block; margin-top: 8px; font-size: 17px; }
.edition-card small { display: block; margin-top: 2px; color: var(--user-muted); font-size: 12px; }
.edition-card.active {
  border-color: var(--user-blue);
  background: var(--user-blue-soft);
  box-shadow: inset 4px 0 0 var(--user-blue);
  transform: translateY(-1px);
}
.edition-card.active .edition-number,
.edition-card.active strong { color: var(--user-blue); }

.submit-form { margin-top: 28px; }
.field-label { display: block; margin: 18px 0 7px; color: #2b3b50; font-size: 13px; font-weight: 700; }
.user-page input[type="text"],
.user-page input:not([type]) {
  width: 100%;
  height: 52px;
  border: 1px solid #ccd8e6;
  border-radius: 10px;
  background: #fff;
  color: var(--user-ink);
  padding: 0 15px;
  font: 500 14px/1 inherit;
}
.user-page input::placeholder { color: #9aa8b8; }
.code-field { position: relative; }
.code-field input { padding-right: 126px !important; text-transform: uppercase; }
.code-field > span {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #8190a2;
  font-size: 11px;
  pointer-events: none;
}

.card-usage,
.query-usage {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 1fr);
  gap: 1px;
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid #cfe0f4;
  border-radius: 12px;
  background: #cfe0f4;
}
.card-usage[hidden] { display: none !important; }
.card-usage > div {
  min-width: 0;
  padding: 12px 14px;
  background: #f4f8fe;
}
.card-usage span { display: block; color: var(--user-muted); font-size: 10px; }
.card-usage strong { display: block; margin-top: 2px; color: #24466f; font-size: 15px; overflow-wrap: anywhere; }
.card-usage > div:last-child strong { color: var(--user-green); }
.card-usage.exhausted { border-color: #efc9c5; background: #efc9c5; }
.card-usage.exhausted > div { background: #fff5f3; }
.card-usage.exhausted > div:last-child strong { color: #b5463c; }
.card-usage-feedback { min-height: 20px; margin: 6px 2px 0; color: var(--user-green); font-size: 11px; }
.card-usage.exhausted + .card-usage-feedback { color: #b5463c; }

.user-page .upload-drop {
  position: relative;
  display: flex;
  min-height: 210px;
  margin: 0;
  padding: 38px 24px;
  border: 2px dashed #9db7db;
  border-radius: 15px;
  background: #f8fbff;
  color: #274a77;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease;
}
.user-page .upload-drop:hover,
.user-page .upload-drop.is-dragover { border-color: var(--user-blue); background: #eef5ff; }
.user-page .upload-drop.has-file { border-style: solid; border-color: #48a589; background: #f0faf7; }
.user-page .upload-drop input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.user-page .upload-drop strong { color: #274a77; font-size: 16px; }
.user-page .upload-drop small { margin-top: 7px; color: var(--user-muted); font-size: 12px; }
.user-page .upload-file-state { display: block; max-width: 100%; margin-top: 13px; color: var(--user-green); font-size: 13px; font-weight: 700; overflow-wrap: anywhere; }

.user-page .submit-button,
.query-section .button {
  width: 100%;
  min-height: 52px;
  margin-top: 20px;
  border-radius: 10px;
  background: var(--user-blue);
  box-shadow: 0 8px 18px rgba(47, 111, 218, .18);
}
.user-page .button:hover { filter: brightness(.97); }
.user-page .button:disabled { cursor: wait; opacity: .65; }
.word-tip { margin: 9px 0 0; color: var(--user-muted); font-size: 11px; text-align: center; }

.service-notes {
  margin-top: 24px;
  padding: 17px 20px;
  border: 1px solid var(--user-line);
  border-radius: 12px;
  background: #f8fafc;
  color: #5c6b7f;
  font-size: 12px;
}
.service-notes strong { color: #33465d; }
.service-notes ul { margin: 8px 0 0; padding-left: 18px; }
.service-notes li + li { margin-top: 4px; }

.query-section { min-height: 380px; }
.query-section form { padding-top: 22px; }
.query-feedback { margin-top: 14px; text-align: center; }
.query-usage {
  grid-template-columns: auto repeat(3, auto);
  justify-content: start;
  align-items: center;
  gap: 18px;
  margin: 22px 0 0;
  padding: 14px 18px;
  border-color: #d5e0ec;
  background: #fff;
  color: var(--user-muted);
  box-shadow: 0 10px 30px rgba(45, 69, 101, .06);
}
.query-usage strong { color: var(--user-ink); }
.query-usage .remaining { color: var(--user-green); font-weight: 700; }
.query-usage.exhausted .remaining { color: #b5463c; }

.user-page .alert { margin: 20px 42px 0; }
.user-page .alert.error { background: #fff1ef; color: #a23b33; }
.user-page .alert.success { background: #edf9f4; color: var(--user-green); }

.user-page .query-result,
.user-page .wechat {
  margin-top: 22px;
  border-color: #d5e0ec;
  background: #fff;
  color: var(--user-ink);
  box-shadow: 0 14px 42px rgba(45, 69, 101, .08);
}
.user-page .query-result { border-radius: 18px; }
.user-page .query-result .muted,
.user-page .wechat p { color: var(--user-muted); }
.user-page .result-card { background: #f8fafc; border-color: var(--user-line); }
.user-page .result-card > div { flex: 1; min-width: 0; }
.user-page .result-download-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  margin-top: 18px;
  padding: 12px 18px;
  border: 1px solid #2863c7;
  border-radius: 10px;
  background: #3472da;
  box-shadow: 0 8px 18px rgba(52, 114, 218, 0.2);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.user-page .result-download-button:hover {
  border-color: #1f55b4;
  background: #2863c7;
  box-shadow: 0 10px 22px rgba(40, 99, 199, 0.28);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.user-page .result-download-button:active {
  box-shadow: 0 4px 10px rgba(40, 99, 199, 0.22);
  transform: translateY(0);
}
.user-page .result-download-button:focus-visible {
  outline: 3px solid rgba(52, 114, 218, 0.28);
  outline-offset: 3px;
}
.user-page .wechat { border-radius: 18px; padding: 22px 26px; }
.user-page .wechat h2 { margin: 2px 0 5px; font-size: 19px; }
.user-page .wechat img { border: 1px solid var(--user-line); }

@media (max-width: 680px) {
  .user-page .topbar { padding: 14px 18px; }
  .user-page .container { padding: 24px 12px 48px; }
  .service-card { border-radius: 18px; }
  .service-brand { padding: 27px 20px 18px; }
  .service-brand h1 { font-size: 35px; }
  .service-tabs { margin: 0 18px; }
  .service-panel { padding: 22px 18px 28px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 7px; text-align: left; }
  .edition-grid { grid-template-columns: 1fr; }
  .edition-card { min-height: 82px; }
  .user-page .upload-drop { min-height: 180px; padding: 30px 16px; }
  .code-field input { padding-right: 15px !important; }
  .code-field > span { display: none; }
  .card-usage { grid-template-columns: 1fr 1fr; }
  .query-usage { grid-template-columns: 1fr 1fr; gap: 8px 14px; }
  .user-page .alert { margin: 16px 18px 0; }
  .user-page .wechat { align-items: flex-start; gap: 18px; }
  .user-page .wechat img { width: 96px; height: 96px; }
}

@media (max-width: 430px) {
  .user-page .topbar nav { width: 100%; justify-content: space-between; }
  .service-tabs { margin: 0 12px; }
  .service-panel { padding-right: 14px; padding-left: 14px; }
  .service-brand h1 { font-size: 32px; }
  .user-page .wechat { display: grid; }
}