/* ============================================================
   创享无碍官网 + 通行证 —— 全站样式
   配色：深蓝 #0b4f7c / 蓝 #1368a8 / 浅蓝 #eaf3fb
   ============================================================ */

:root {
  --primary: #0b4f7c;
  --primary-strong: #083d61;
  --accent: #1368a8;
  --accent-strong: #0f5a91;
  --soft: #eaf3fb;
  --soft-2: #f5f9fd;
  --ink: #17212b;
  --ink-soft: #526173;
  --ink-mute: #7b8795;
  --line: #e2e9f1;
  --bg: #f4f7fa;
  --surface: #ffffff;
  --success: #1f7a4d;
  --warning: #b26a00;
  --danger: #c0392b;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(16, 42, 67, 0.06), 0 4px 12px rgba(16, 42, 67, 0.05);
  --shadow: 0 8px 24px rgba(16, 42, 67, 0.08);
  --shadow-lg: 0 18px 44px rgba(16, 42, 67, 0.12);
  --container: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

img { display: block; max-width: 100%; }

h1, h2, h3, h4 { line-height: 1.3; margin: 0 0 14px; font-weight: 700; }

.container {
  width: min(var(--container), 100% - 32px);
  margin: 0 auto;
}

:focus-visible {
  outline: 3px solid rgba(19, 104, 168, 0.45);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  padding: 10px 16px;
  background: var(--surface);
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 2000;
  color: var(--primary);
  font-weight: 700;
}
.skip-link:focus { top: 16px; }

/* ---------------- 顶部工具条 ---------------- */

.topbar {
  background: var(--primary-strong);
  color: #dbe9f5;
  font-size: 0.86rem;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 38px;
  flex-wrap: wrap;
  padding: 4px 0;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar a { color: #ffffff; }
.topbar a:hover { color: #bfe0ff; }
.topbar-sep { width: 1px; height: 14px; background: rgba(255, 255, 255, 0.28); }

/* ---------------- 页头 ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 76px;
}
.brand { display: inline-flex; align-items: center; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-logo { display: block; width: 180px; flex: 0 0 180px; }
.brand-logo picture, .brand-logo img { display: block; width: 100%; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 1.25rem; letter-spacing: 0.04em; color: var(--primary); }
.brand-text small { font-size: 0.78rem; color: var(--ink-mute); margin-top: 3px; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; list-style: none; gap: 6px; margin: 0; padding: 0; }
.main-nav a {
  display: inline-block;
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.98rem;
}
.main-nav a:hover { background: var(--soft); color: var(--primary); }
.main-nav a.active { background: var(--soft); color: var(--primary); }

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  cursor: pointer;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--primary); border-radius: 2px; }

@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(20, 27, 34, 0.96); border-bottom-color: #34414d; }
  .main-nav a { color: #d5e0e8; }
  .main-nav a:hover, .main-nav a.active { background: #25475e; color: #fff; }
  .nav-toggle { border-color: #455765; }
  .nav-toggle span { background: #e2edf4; }
}

@media (max-width: 720px) {
  .header-inner { min-height: 68px; }
  .brand-logo { width: 160px; flex-basis: 160px; }
}

@media (prefers-color-scheme: dark) and (max-width: 720px) {
  .main-nav { background: #141b22; border-bottom-color: #34414d; }
}

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(11, 79, 124, 0.25); }
.btn-primary:hover { background: var(--accent-strong); color: #fff; }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--line); }
.btn-outline:hover { background: var(--soft); color: var(--primary); }
.btn-ghost { background: transparent; color: var(--primary); border-color: transparent; }
.btn-ghost:hover { background: var(--soft); }
.btn-danger { background: #fff; color: var(--danger); border-color: #f2c4be; }
.btn-danger:hover { background: #fdecea; }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 0.88rem; }
.btn-block { width: 100%; }
.btn-link { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font-weight: 600; }

/* ---------------- 提示 ---------------- */

.alert {
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  font-size: 0.95rem;
}
.alert-success { border-color: #bfe3cc; background: #effaf3; color: #185c3a; }
.alert-warning { border-color: #f0d5a6; background: #fdf6e9; color: #8a5a00; }
.alert-danger  { border-color: #f0c1bb; background: #fdefed; color: #a13228; }
.alert-info    { border-color: #c5dff2; background: #edf6fd; color: #0f4c6e; }
.flash-wrap { margin-top: 20px; }

/* ---------------- 主内容 ---------------- */

main { min-height: 60vh; }

.page-section { padding: 48px 0; }
.section-head { max-width: 760px; margin-bottom: 32px; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 12px; color: var(--ink); }
.section-lead { color: var(--ink-soft); font-size: 1.04rem; margin: 0; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------------- 首页 Hero ---------------- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.14), transparent 38%),
    radial-gradient(circle at 85% 15%, rgba(19, 104, 168, 0.35), transparent 42%),
    linear-gradient(120deg, #083d61 0%, #0b4f7c 48%, #1368a8 100%);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.35;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  padding: 76px 0 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.86rem;
  margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); line-height: 1.18; margin: 0 0 18px; }
.hero h1 .highlight { color: #8fd0ff; }
.hero p.hero-lead { font-size: 1.12rem; color: #d6e9f8; max-width: 560px; margin: 0 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero .btn-primary { background: #ffffff; color: var(--primary); }
.hero .btn-primary:hover { background: #eaf3fb; }
.hero .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.hero .btn-ghost:hover { background: rgba(255, 255, 255, 0.12); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
}
.stat-card strong { display: block; font-size: 2rem; color: #fff; line-height: 1.1; }
.stat-card span { color: #d6e9f8; font-size: 0.92rem; }

/* ---------------- 通用卡片 ---------------- */

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card-icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--soft);
  color: var(--primary);
  margin-bottom: 16px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.2rem; color: var(--ink); }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.97rem; }

.product-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 0; }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--soft-2);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

/* ---------------- 内容面板 ---------------- */

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.prose h2, .prose h3 { margin-top: 24px; }
.prose p { color: var(--ink-soft); }
.prose ul { padding-left: 1.3rem; color: var(--ink-soft); }
.prose li + li { margin-top: 8px; }

.quote-block {
  margin: 28px 0;
  padding: 22px 26px;
  border-left: 4px solid var(--accent);
  background: var(--soft-2);
  border-radius: 0 14px 14px 0;
  color: var(--ink-soft);
}

/* ---------------- 新闻列表 ---------------- */

.news-list { display: grid; gap: 18px; }
.news-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 26px;
}
.news-date {
  flex: none;
  width: 78px;
  text-align: center;
  background: var(--soft);
  border-radius: 12px;
  padding: 10px 6px;
  color: var(--primary);
  line-height: 1.2;
}
.news-date strong { display: block; font-size: 1.6rem; }
.news-date span { font-size: 0.82rem; }
.news-body h3 { margin: 0 0 8px; font-size: 1.15rem; }
.news-body p { margin: 0 0 12px; color: var(--ink-soft); font-size: 0.96rem; }

/* ---------------- 表单 ---------------- */

.form-card {
  max-width: 460px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow);
}
.form-card.wide { max-width: 720px; }
.form-card h1, .form-card .form-title { font-size: 1.6rem; text-align: center; margin-bottom: 6px; }
.form-sub { text-align: center; color: var(--ink-mute); font-size: 0.92rem; margin: 0 0 24px; }

.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; margin-bottom: 7px; font-size: 0.94rem; color: var(--ink); }
.field .hint { display: block; color: var(--ink-mute); font-size: 0.82rem; margin-top: 5px; }
.field .required { color: var(--danger); }

.input, select.input, textarea.input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 0.98rem;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
}
.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(19, 104, 168, 0.14);
}
textarea.input { min-height: 130px; resize: vertical; }
.input.is-invalid { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: 0.85rem; margin-top: 5px; }

.check-row { display: flex; gap: 9px; align-items: flex-start; margin-bottom: 18px; font-size: 0.9rem; color: var(--ink-soft); }
.check-row input { margin-top: 4px; }

.form-foot { text-align: center; color: var(--ink-mute); font-size: 0.9rem; margin-top: 18px; }
.form-foot a { font-weight: 600; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* ---------------- 用户中心 ---------------- */

.account-layout { display: grid; grid-template-columns: 260px 1fr; gap: 26px; align-items: start; }
.account-side {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.account-side .avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 700; margin: 0 auto 12px;
}
.account-side .u-name { text-align: center; font-weight: 700; font-size: 1.05rem; }
.account-side .u-mail { text-align: center; color: var(--ink-mute); font-size: 0.85rem; word-break: break-all; margin-bottom: 18px; }
.account-menu { list-style: none; margin: 0; padding: 0; }
.account-menu a {
  display: block; padding: 10px 14px; border-radius: 10px;
  color: var(--ink-soft); font-weight: 600; font-size: 0.94rem;
}
.account-menu a:hover, .account-menu a.active { background: var(--soft); color: var(--primary); }

.info-list { margin: 0; }
.info-list .info-row { display: flex; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.info-list .info-row:last-child { border-bottom: none; }
.info-row dt { flex: none; width: 120px; color: var(--ink-mute); }
.info-row dd { margin: 0; color: var(--ink); word-break: break-all; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 700; }
.badge-green { background: #e5f6eb; color: #187344; }
.badge-gray { background: #eef2f6; color: #66707c; }
.badge-blue { background: #e8f2fb; color: #0f5a91; }

/* ---------------- 管理后台表格 ---------------- */

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { color: var(--ink-mute); font-weight: 700; font-size: 0.84rem; white-space: nowrap; }
.table tr:hover td { background: var(--soft-2); }

.admin-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 26px; }
.admin-stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); }
.admin-stat strong { display: block; font-size: 1.8rem; color: var(--primary); }
.admin-stat span { color: var(--ink-mute); font-size: 0.9rem; }

/* ---------------- 页脚 ---------------- */

.site-footer { background: #0c2a40; color: #c3d6e6; margin-top: 64px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 30px;
  padding: 52px 0 40px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand strong { font-size: 1.25rem; color: #fff; }
.footer-brand span { font-size: 0.82rem; color: #9fbbd2; }
.footer-about p { color: #a8c1d6; font-size: 0.94rem; margin: 0; }
.footer-col h3 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; font-size: 0.92rem; }
.footer-col a { color: #a8c1d6; }
.footer-col a:hover { color: #ffffff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  padding: 20px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.84rem;
  color: #8da7bc;
}
.footer-beian { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.footer-beian a { color: #8da7bc; display: inline-flex; align-items: center; gap: 5px; }
.footer-beian a:hover { color: #fff; }
.footer-beian img { display: inline; }

/* ---------------- 其他 ---------------- */

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--ink-mute); }
.small { font-size: 0.86rem; }

.qr-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.qr-card {
  margin: 0; padding: 20px; text-align: center;
  border-radius: var(--radius-lg); border: 1px solid var(--line);
  background: var(--soft-2);
}
.qr-card img { width: 100%; height: auto; border-radius: 12px; background: #fff; }
.qr-card figcaption { margin-top: 12px; color: var(--ink-soft); font-size: 0.92rem; }

.cta-banner {
  margin-top: 28px;
  padding: 30px 34px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #083d61, #1368a8);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cta-banner h3 { margin: 0 0 6px; color: #fff; }
.cta-banner p { margin: 0; color: #d6e9f8; }
.cta-banner .btn-primary { background: #fff; color: var(--primary); }

/* ---------------- 响应式 ---------------- */

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; padding: 52px 0 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .admin-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .account-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; padding: 10px 16px 16px; gap: 2px; }
  .main-nav a { display: block; padding: 12px 14px; }
  .header-actions { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; padding: 40px 0 28px; }
  .news-item { flex-direction: column; gap: 12px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .qr-grid { grid-template-columns: 1fr; }
  .page-section { padding: 34px 0; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
}
/* ---------------- 居中 Hero ---------------- */

.hero-center {
  grid-template-columns: 1fr;
  max-width: 920px;
  text-align: center;
}
.hero-center .hero-badge { margin-left: auto; margin-right: auto; }
.hero-center p.hero-lead { margin-left: auto; margin-right: auto; }
.hero-center .hero-actions { justify-content: center; }
/* ---------------- 无障碍验证码 ---------------- */

.captcha-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.captcha-q {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--soft-2);
  border: 1px dashed var(--accent);
  border-radius: 10px;
  padding: 8px 16px;
}
.captcha-input { max-width: 140px; }
.captcha-links { display: inline-flex; gap: 10px; align-items: center; font-size: 0.86rem; }
.captcha-links a { color: var(--accent); font-weight: 600; }
.captcha-links button { border: none; background: none; padding: 0; color: var(--accent); font-weight: 600; cursor: pointer; font-size: 0.86rem; }

/* System dark theme. It keeps the same semantic tokens used by the PHP pages. */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --primary: #7fc5ef;
    --primary-strong: #0b2231;
    --accent: #87d2ff;
    --accent-strong: #b4e3ff;
    --soft: #1d3545;
    --soft-2: #18242d;
    --ink: #edf5fa;
    --ink-soft: #bdcbd5;
    --ink-mute: #91a4b2;
    --line: #334653;
    --bg: #10171d;
    --surface: #172129;
    --success: #6ad59a;
    --warning: #f0c674;
    --danger: #ff9b91;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.25), 0 5px 14px rgba(0,0,0,.2);
    --shadow: 0 10px 28px rgba(0,0,0,.26);
    --shadow-lg: 0 22px 50px rgba(0,0,0,.34);
  }
  body { background:var(--bg); color:var(--ink); }
  .site-header { background:rgba(17,25,31,.96); border-bottom-color:var(--line); }
  .main-nav a { color:var(--ink-soft); }
  .main-nav a:hover,.main-nav a.active { background:var(--soft); color:#fff; }
  .nav-toggle { background:#172129; border-color:var(--line); }
  .nav-toggle span { background:var(--ink); }
  .btn-outline { background:#172129; border-color:var(--line); color:var(--primary); }
  .btn-outline:hover,.btn-ghost:hover { background:var(--soft); color:var(--primary); }
  .btn-danger { background:#2a2023; border-color:#75413d; color:#ffaaa1; }
  .btn-danger:hover { background:#442629; }
  .alert-success { background:#173628; color:#b9edcf; border-color:#2c704d; }
  .alert-warning { background:#3d3019; color:#ffd98e; border-color:#785d29; }
  .alert-danger { background:#421f22; color:#ffcbc6; border-color:#86403d; }
  .alert-info { background:#172f40; color:#b9e1f5; border-color:#2a657f; }
  .input,select.input,textarea.input { background:#111a20; color:var(--ink); border-color:var(--line); }
  .input::placeholder,textarea.input::placeholder { color:#8195a4; }
  option { background:#172129; color:var(--ink); }
  input[type="checkbox"],input[type="radio"] { accent-color:#58b8ec; }
  .badge-green { background:#193c2a; color:#a9e4c2; }
  .badge-gray { background:#293841; color:#c5d0d8; }
  .badge-blue { background:#18394f; color:#b9e1f5; }
  .table tr:hover td { background:#1a2730; }
  .qr-card img { background:#fff; }
  section[style*="background:#fff"],div[style*="background:#fff"] { background:var(--surface) !important; }
  .main-nav { background:#111a20; }
}
/* ---------------- 滑块验证码 ---------------- */

.slider-captcha { position: relative; }
.slider-track {
  position: relative;
  height: 42px;
  background: #e8eef5;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  user-select: none;
}
.slider-puzzle {
  position: absolute;
  top: 0;
  width: 42px;
  height: 42px;
  background: #fff;
  border-right: 1px dashed var(--accent);
  box-shadow: inset 0 0 0 1px rgba(19, 104, 168, 0.25);
}
.slider-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 42px;
  width: 0;
  background: var(--soft);
}
.slider-handle {
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  cursor: grab;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.slider-handle::after { content: "⇄"; color: #fff; }
.slider-handle:active { cursor: grabbing; }
.slider-captcha.ok .slider-handle { background: var(--success); }
.slider-captcha.ok .slider-handle::after { content: "✓"; }
.slider-hint { display: block; margin-top: 8px; font-size: 0.82rem; color: var(--ink-mute); }
.slider-captcha .captcha-links { margin-top: 8px; }
.topbar-brand { color: #fff; font-weight: 700; letter-spacing: 0.06em; font-size: 0.92rem; }
.topbar .muted { color: #9fbbd2; }