:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --surface-soft: #fafafe;
  --surface-tint: #f2f0ff;
  --text: #23252f;
  --text-soft: #676b7a;
  --text-faint: #979aa8;
  --line: #e6e7ee;
  --line-strong: #d8dae5;
  --primary: #6759d1;
  --primary-dark: #5446bd;
  --primary-soft: #eeebff;
  --success: #19875d;
  --success-soft: #eaf8f2;
  --warning: #a86413;
  --warning-soft: #fff6e7;
  --danger: #c84949;
  --danger-soft: #fff0f0;
  --rainbow: linear-gradient(
    100deg,
    #ff5f6d 0%,
    #ffa24c 20%,
    #f7d038 40%,
    #34c98c 60%,
    #45a7ff 80%,
    #8d6bff 100%
  );
  --shadow-sm: 0 1px 2px rgba(33, 35, 52, 0.05), 0 4px 14px rgba(33, 35, 52, 0.05);
  --shadow-md: 0 18px 54px rgba(32, 32, 55, 0.14);
  --radius-sm: 9px;
  --radius: 14px;
  --radius-lg: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

/* ---------------- 顶部导航 ---------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  gap: 26px;
  height: 62px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--rainbow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
}

.nav-links {
  display: flex;
  gap: 20px;
  margin-left: auto;
  align-items: center;
}

.nav-links a {
  color: var(--text-soft);
  font-size: 14px;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ---------------- 按钮 ---------------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-family: inherit;
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.button-primary {
  background: var(--primary);
  color: #fff;
}

.button-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  text-decoration: none;
}

.button-rainbow {
  background: var(--rainbow);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.button-rainbow:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.button-quiet {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--text);
}

.button-quiet:hover:not(:disabled) {
  background: var(--surface-soft);
  text-decoration: none;
}

.button-danger {
  background: var(--danger);
  color: #fff;
}

.button-small {
  padding: 6px 14px;
  font-size: 13px;
}

/* ---------------- 首页 hero ---------------- */
.hero {
  padding: 84px 0 60px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 13px;
}

.hero h1 {
  margin: 22px auto 14px;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.25;
  letter-spacing: 0.5px;
  max-width: 720px;
}

.hero h1 .rainbow-text {
  background: var(--rainbow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  margin: 0 auto;
  max-width: 560px;
  color: var(--text-soft);
  font-size: 16px;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 12px;
  color: var(--text-faint);
  font-size: 13px;
}

/* ---------------- 特性栅格 ---------------- */
.features {
  padding: 30px 0 70px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
}

.feature-card .feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--surface-tint);
  margin-bottom: 14px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.feature-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

.section-heading {
  text-align: center;
  margin: 0 0 30px;
}

.section-heading h2 {
  margin: 0 0 8px;
  font-size: 26px;
}

.section-heading p {
  margin: 0;
  color: var(--text-soft);
}

/* ---------------- 步骤 ---------------- */
.steps {
  padding: 10px 0 80px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  counter-reset: step;
}

.step-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.step-card::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--rainbow);
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.step-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13.5px;
}

/* ---------------- 表格与面板 ---------------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  margin-bottom: 20px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.panel-heading h2,
.panel-heading h3 {
  margin: 0;
  font-size: 17px;
}

.panel-kicker {
  margin: 0 0 2px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--text-faint);
}

.table-wrap {
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-soft);
  font-weight: 600;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.data-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.muted {
  color: var(--text-faint);
}

.num {
  font-variant-numeric: tabular-nums;
}

.model-name {
  font-weight: 600;
}

.capability-chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--primary-dark);
  font-size: 12.5px;
  white-space: nowrap;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12.5px;
}

.status-chip span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status-chip-success { background: var(--success-soft); color: var(--success); }
.status-chip-warning { background: var(--warning-soft); color: var(--warning); }
.status-chip-error { background: var(--danger-soft); color: var(--danger); }
.status-chip-muted { background: var(--surface-tint); color: var(--text-soft); }

/* ---------------- 表单 ---------------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.field span {
  font-size: 13.5px;
  font-weight: 600;
}

.field small {
  color: var(--text-faint);
  font-size: 12px;
}

.field input,
.field select {
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
}

.field input:focus,
.field select:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0 14px;
}

.form-error {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 13.5px;
}

.form-success {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--success-soft);
  color: var(--success);
  font-size: 13.5px;
}

/* ---------------- 控制台布局 ---------------- */
.console-main {
  padding: 40px 0 80px;
}

.auth-card {
  max-width: 420px;
  margin: 40px auto;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.auth-tab {
  flex: 1;
  padding: 9px 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.auth-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.stat-card span {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 4px;
}

.stat-card strong {
  font-size: 24px;
  font-variant-numeric: tabular-nums;
}

.stat-card.stat-balance strong {
  background: var(--rainbow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.console-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.console-topline h1 {
  margin: 0;
  font-size: 22px;
}

.console-topline .who {
  color: var(--text-soft);
  font-size: 14px;
}

.inline-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.inline-form input {
  flex: 1;
  min-width: 220px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
}

.key-secret {
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed var(--primary);
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  word-break: break-all;
}

.key-secret-note {
  margin: 6px 0 0;
  color: var(--danger);
  font-size: 12.5px;
}

.empty-tip {
  padding: 22px;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
}

.row-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---------------- toast ---------------- */
.toast-region {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 60;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: #fff;
  font-size: 14px;
  box-shadow: var(--shadow-md);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast-error {
  background: var(--danger);
}

/* ---------------- 页脚 ---------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 40px;
  color: var(--text-faint);
  font-size: 13px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.rainbow-divider {
  height: 3px;
  background: var(--rainbow);
  border: none;
  margin: 0;
}

@media (max-width: 640px) {
  .hero {
    padding: 56px 0 40px;
  }
  .nav-links {
    gap: 12px;
  }
}