/* ==================================================================
   榛芯 TokenFactory - 统一设计系统
   现代 · 简约 · 一致
   ================================================================== */
:root {
  --primary: #4f6bff;
  --primary-dark: #3a50e0;
  --primary-soft: #eef1ff;
  --violet: #7c5cff;
  --cyan: #0ea5e9;
  --gradient: linear-gradient(135deg, #4f6bff 0%, #7c5cff 100%);
  --gradient-soft: linear-gradient(135deg, #eef1ff 0%, #f6f0ff 100%);
  --bg: #f7f8fc;
  --card: #ffffff;
  --border: #e6e8f0;
  --border-strong: #d7dbe8;
  --text: #10142a;
  --text-2: #565d75;
  --text-3: #9aa0b8;
  --success: #16a34a;
  --success-soft: #e8f7ee;
  --danger: #e5484d;
  --danger-soft: #fdecec;
  --warning: #f59e0b;
  --warning-soft: #fef3e2;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(16, 20, 42, 0.05);
  --shadow: 0 6px 24px rgba(79, 107, 255, 0.10);
  --shadow-lg: 0 16px 48px rgba(16, 20, 42, 0.14);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.85; }

h1, h2, h3, h4, h5 { margin: 0 0 0.4em; line-height: 1.3; font-weight: 600; }
p { margin: 0 0 1em; }
img { max-width: 100%; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 6px 18px rgba(79, 107, 255, 0.30);
}
.btn-primary:hover { opacity: 1; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(79, 107, 255, 0.38); }

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); opacity: 1; }

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: transparent;
}
.btn-danger:hover { background: var(--danger); color: #fff; opacity: 1; }

.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 30px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; }

/* ---------------- 表单 ---------------- */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 7px;
}
.field label .req { color: var(--danger); margin-left: 2px; }

.input, .select, textarea.input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.input:focus, .select:focus, textarea.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 107, 255, 0.14);
}
.input::placeholder { color: var(--text-3); }
.input.invalid { border-color: var(--danger); }
.input[readonly] { background: var(--bg); color: var(--text-2); }

.field-hint { font-size: 12px; color: var(--text-3); margin-top: 6px; }
.field-error { font-size: 12px; color: var(--danger); margin-top: 6px; min-height: 0; }

/* ---------------- 徽章 / 标签 ---------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-blue { background: var(--primary-soft); color: var(--primary); }
.badge-violet { background: #f3efff; color: var(--violet); }
.badge-green { background: var(--success-soft); color: var(--success); }
.badge-gray { background: #eef0f5; color: var(--text-2); }
.badge-orange {
    background: #fff7e6;
    color: #d46b08;
    border: 1px solid #ffd591;
}
.badge-red { background: var(--danger-soft); color: var(--danger); }
.badge-warning { background: var(--warning-soft); color: #b45309; }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-online { background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.dot-offline { background: var(--text-3); }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---------------- 导航栏 ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { opacity: 1; }
.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(79, 107, 255, 0.35);
}
.brand small { font-weight: 500; color: var(--text-2); font-size: 13px; }

.nav-links { display: flex; gap: 4px; margin-left: 8px; }
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
}
.nav-links a:hover { color: var(--primary); background: var(--primary-soft); opacity: 1; }

.nav-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 18px;
  cursor: pointer;
  color: var(--text);
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  text-align: center;
  padding: 92px 0 72px;
  overflow: hidden;
  background:
    radial-gradient(720px 320px at 18% 8%, rgba(79, 107, 255, 0.12), transparent 60%),
    radial-gradient(720px 320px at 82% 20%, rgba(124, 92, 255, 0.12), transparent 60%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(79, 107, 255, 0.28);
  background: rgba(255, 255, 255, 0.75);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}
.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 640px;
  margin: 0 auto 34px;
  font-size: 17px;
  color: var(--text-2);
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 940px;
  margin: 0 auto;
}
.stat {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 12px;
  box-shadow: var(--shadow-sm);
}
.stat b { display: block; font-size: 26px; font-weight: 800; color: var(--text); }
.stat span { font-size: 13px; color: var(--text-2); }

/* ---------------- 区块 ---------------- */
.section { padding: 84px 0; }
.section-alt { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 { font-size: 30px; font-weight: 800; letter-spacing: -0.3px; }
.section-head p { color: var(--text-2); font-size: 15px; }

/* 产品展示 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(79, 107, 255, 0.35); opacity: 1; }
.product-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.product-icon svg { width: 24px; height: 24px; stroke: var(--primary); fill: none; stroke-width: 1.8; }
.product-card h3 { font-size: 17px; margin-bottom: 8px; }
.product-card p { font-size: 14px; color: var(--text-2); margin: 0; }

/* 模型列表 */
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.model-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.model-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(79, 107, 255, 0.3); }
.model-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.model-head h3 { font-size: 16px; margin: 0; }
.model-desc { font-size: 13.5px; color: var(--text-2); margin: 0; min-height: 42px; }
.model-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.model-chip {
  font-size: 12px;
  color: var(--text-2);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 8px;
}
.model-price { border-top: 1px dashed var(--border); padding-top: 14px; font-size: 13px; color: var(--text-2); }
.model-price b { color: var(--text); font-size: 15px; }
.model-actions { margin-top: auto; display: flex; gap: 10px; }

/* 定价表 */
.price-table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table.price-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.price-table th, .price-table td { padding: 14px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.price-table th { background: var(--bg); color: var(--text-2); font-weight: 600; font-size: 13px; }
.price-table tr:last-child td { border-bottom: none; }
.price-table td b { font-size: 15px; }
.price-table .model-name { font-weight: 600; }

/* 文档入口 */
.docs-entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.doc-entry {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--text);
}
.doc-entry:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); opacity: 1; }
.doc-entry h3 { font-size: 18px; }
.doc-entry p { color: var(--text-2); font-size: 14px; margin: 0; flex: 1; }
.doc-entry .doc-step { font-size: 13px; color: var(--primary); font-weight: 600; }

/* CTA */
.cta-band {
  background: var(--gradient);
  border-radius: 20px;
  padding: 56px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band h2 { color: #fff; font-size: 28px; margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, 0.88); margin-bottom: 26px; }
.cta-band .btn-white { background: #fff; color: var(--primary); }
.cta-band .btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2); }

/* ---------------- 页脚 ---------------- */
.footer { background: #fff; border-top: 1px solid var(--border); padding: 56px 0 30px; margin-top: 84px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.footer-brand p { font-size: 13px; color: var(--text-3); max-width: 260px; }
.footer h4 { font-size: 14px; margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { color: var(--text-2); font-size: 13px; }
.footer-links a:hover { color: var(--primary); opacity: 1; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--text-3);
}

/* ---------------- 登录 / 注册 ---------------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  background:
    radial-gradient(600px 300px at 15% 10%, rgba(79, 107, 255, 0.12), transparent 60%),
    radial-gradient(600px 300px at 85% 90%, rgba(124, 92, 255, 0.12), transparent 60%),
    var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 430px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 34px 34px 26px;
}
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-head .brand { justify-content: center; font-size: 19px; margin-bottom: 6px; }
.auth-head p { color: var(--text-3); font-size: 13px; margin: 0; }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg);
  border-radius: 11px;
  padding: 4px;
  margin-bottom: 24px;
}
.auth-tabs button {
  border: none;
  background: transparent;
  padding: 9px 0;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
}
.auth-tabs button.active {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.captcha-row { display: flex; gap: 10px; align-items: stretch; }
.captcha-row .input { flex: 1; }
.captcha-img {
  width: 126px;
  height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  cursor: pointer;
  background: #eef2ff;
  flex: none;
}
.captcha-refresh {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  color: var(--text-2);
  font-size: 17px;
}
.captcha-refresh:hover { color: var(--primary); border-color: var(--primary); }

.auth-foot { text-align: center; margin-top: 20px; font-size: 12.5px; color: var(--text-3); }
.auth-foot a { color: var(--primary); font-weight: 600; }
.auth-switch { text-align: center; font-size: 13.5px; color: var(--text-2); margin-top: 14px; }
.auth-switch a { font-weight: 600; cursor: pointer; }

.agree-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 12.5px;
  color: var(--text-2);
  margin-bottom: 18px;
}
.agree-row input { margin-top: 3px; accent-color: var(--primary); }

/* ---------------- 控制台 ---------------- */
.app { display: flex; min-height: 100vh; background: var(--bg); }
.sidebar {
  width: 232px;
  flex: none;
  background: #fff;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand { padding: 4px 10px 18px; }
.side-nav { display: flex; flex-direction: column; gap: 4px; }
.side-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  text-align: left;
  width: 100%;
  transition: all 0.15s;
}
.side-link svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; flex: none; }
.side-link:hover { background: var(--bg); color: var(--text); }
.side-link.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

.side-user {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 14px 10px 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  flex: none;
}
.side-user .u-name { font-size: 13.5px; font-weight: 600; line-height: 1.2; }
.side-user .u-mail { font-size: 11.5px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 130px; }

.app-main { flex: 1; min-width: 0; padding: 26px 34px 60px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
  gap: 12px;
}
.topbar h1 { font-size: 22px; margin: 0; }
.topbar .tb-sub { font-size: 13px; color: var(--text-3); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 24px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.stat-card .sc-label { font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 7px; }
.stat-card .sc-value { font-size: 26px; font-weight: 800; margin-top: 8px; }
.stat-card .sc-value small { font-size: 14px; font-weight: 600; color: var(--text-3); }
.stat-card .sc-icon {
  width: 34px; height: 34px; border-radius: 9px; display: inline-flex;
  align-items: center; justify-content: center;
}
.sc-icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.sc-blue { background: var(--primary-soft); color: var(--primary); }
.sc-violet { background: #f3efff; color: var(--violet); }
.sc-green { background: var(--success-soft); color: var(--success); }
.sc-orange { background: var(--warning-soft); color: var(--warning); }

.panel { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
}
.panel-head h3 { font-size: 15px; margin: 0; }
.panel-body { padding: 22px; }

.data-table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.data-table th { text-align: left; font-size: 12.5px; color: var(--text-3); font-weight: 600; padding: 10px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table td { padding: 13px 16px; font-size: 13.5px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #fafbff; }
.data-table .mono { font-family: var(--mono); font-size: 12.5px; }
.amount-in { color: var(--success); font-weight: 600; }
.amount-out { color: var(--danger); font-weight: 600; }

.key-box {
  background: var(--bg);
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 13px;
  word-break: break-all;
  user-select: all;
}

.recharge-presets { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.recharge-presets button {
  flex: 1;
  min-width: 88px;
  padding: 12px 0;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: #fff;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.recharge-presets button.active { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); box-shadow: 0 0 0 3px rgba(79,107,255,0.12); }
.recharge-custom { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; }
.recharge-custom .input { max-width: 220px; }
.recharge-custom .rmb { font-size: 18px; font-weight: 700; color: var(--text-2); }
.recharge-note { font-size: 12.5px; color: var(--text-3); }

/* 图表 */
.chart-wrap { padding: 8px 0 0; }
.chart-wrap canvas { width: 100%; height: 240px; display: block; }

/* 弹窗 */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(16, 20, 42, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.16s ease;
}
.modal {
  background: #fff;
  border-radius: 16px;
  max-width: 480px;
  width: 100%;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s ease;
}
.modal h3 { font-size: 17px; margin-bottom: 10px; }
.modal .modal-desc { font-size: 13.5px; color: var(--text-2); margin-bottom: 18px; }
.modal .modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; }
.warn-box {
  background: var(--warning-soft);
  border: 1px solid #f8ddb5;
  color: #92400e;
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(14px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* 提示 */
.toast-wrap { position: fixed; top: 76px; right: 20px; z-index: 300; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 12px 18px;
  font-size: 13.5px;
  min-width: 240px;
  max-width: 360px;
  animation: slideUp 0.22s ease;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

/* 空状态 */
.empty {
  text-align: center;
  padding: 44px 20px;
  color: var(--text-3);
}
.empty .empty-icon { font-size: 34px; margin-bottom: 10px; }
.empty p { margin: 0 0 4px; font-size: 14px; }
.empty small { font-size: 12.5px; }

/* ---------------- 文档页 ---------------- */
.docs-layout { display: flex; gap: 34px; max-width: 1180px; margin: 0 auto; padding: 36px 24px 80px; align-items: flex-start; }
.docs-nav {
  width: 220px;
  flex: none;
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: calc(100vh - 120px);
  overflow: auto;
}
.docs-nav .dn-group { font-size: 11.5px; font-weight: 700; color: var(--text-3); letter-spacing: 0.6px; margin: 16px 12px 6px; }
.docs-nav a {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-2);
  font-weight: 500;
}
.docs-nav a:hover { background: var(--primary-soft); color: var(--primary); opacity: 1; }
.docs-content { flex: 1; min-width: 0; max-width: 860px; }
.doc-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 30px 32px;
  margin-bottom: 22px;
}
.doc-block h2 { font-size: 20px; margin-bottom: 6px; }
.doc-block h2 .hash { color: var(--primary); margin-right: 6px; }
.doc-block h3 { font-size: 15px; margin: 22px 0 8px; }
.doc-block p, .doc-block li { font-size: 14px; color: var(--text-2); }
.doc-block ul, .doc-block ol { padding-left: 20px; }
.doc-block li { margin-bottom: 6px; }
.doc-block code { font-family: var(--mono); font-size: 12.5px; background: var(--bg); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
.endpoint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 12px;
  margin: 4px 0 14px;
}
.endpoint .method {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 12px;
}
.method-get { background: var(--success-soft); color: var(--success); }
.method-post { background: var(--primary-soft); color: var(--primary); }
.method-delete { background: var(--danger-soft); color: var(--danger); }

.code-block { position: relative; background: #0f172a; border-radius: 12px; margin: 14px 0; }
.code-block pre { margin: 0; padding: 18px 18px 16px; overflow-x: auto; }
.code-block code { background: none !important; border: none !important; color: #e2e8f0; font-size: 12.8px; line-height: 1.7; }
.code-block .copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #cbd5e1;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 7px;
  cursor: pointer;
  font-family: inherit;
}
.code-block .copy-btn:hover { background: rgba(255, 255, 255, 0.22); color: #fff; }
.code-tag { color: #7dd3fc; }
.code-str { color: #a7f3d0; }
.code-num { color: #fbbf24; }
.code-comment { color: #64748b; }

.param-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 10px 0 4px; }
.param-table th, .param-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.param-table th { background: var(--bg); font-size: 12.5px; color: var(--text-2); }
.param-table td code { white-space: nowrap; }
.required { color: var(--danger); }
.optional { color: var(--text-3); }

.steps { counter-reset: step; list-style: none; padding: 0 !important; }
.steps li { counter-increment: step; position: relative; padding-left: 38px; margin-bottom: 16px; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .product-grid, .model-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .docs-nav { display: none; }
}

@media (max-width: 760px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); flex-direction: column; padding: 12px 20px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-actions { gap: 8px; }
  .product-grid, .model-grid, .docs-entry-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 56px 0; }
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; flex-wrap: wrap; padding: 12px 16px; }
  .sidebar .brand { padding: 0 12px 0 0; }
  .side-nav { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .side-link { width: auto; padding: 7px 12px; }
  .side-user { margin: 0 0 0 auto; border: none; padding: 0; }
  .app-main { padding: 20px 16px 48px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 460px) {
  .stat-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
  .nav-inner { gap: 12px; }
  .brand small { display: none; }
}