/* ==========================================================================
   量美 (LUMEI) 官方独立电子质保系统样式表 (warranty.css)
   设计规范: american_window_film_design_analysis.md
   基准色调: 曜石暗夜黑 (#0D1117) + 尊崇钛金 (#D4AF37) + 极速赛车红 (#E53935) + 纯净白
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,400;0,600;0,700;0,800;1,700&family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

:root {
  --color-primary: #E53935;           /* 极速赛车红 */
  --color-primary-hover: #C62828;
  --color-primary-glow: rgba(229, 57, 53, 0.35);

  --color-gold: #D4AF37;              /* 官方钛金 */
  --color-gold-light: #FDE047;
  --color-gold-dark: #9A7B1C;
  --color-gold-glow: rgba(212, 175, 55, 0.35);

  --color-navy: #0F2B48;              /* 海峡工程深蓝 */
  --color-obsidian: #0D1117;          /* 曜石暗夜黑主底 */
  --color-surface-dark: #161B22;      /* 暗色卡片面 */
  --color-surface-card: #21262D;      /* 次级暗色卡片 */
  --color-border-dark: rgba(255, 255, 255, 0.08);

  --color-pure-white: #FFFFFF;
  --color-warm-light: #F4F3F0;        /* 柔和暖米灰 (AWF 风格节奏) */
  --color-slate-light: #F8FAFC;
  --color-border-light: #E2E8F0;

  --color-success: #10B981;
  --color-info: #00D2FF;

  --font-heading: 'Barlow Condensed', 'Noto Sans SC', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', sans-serif;

  --radius-sm: 4px;                   /* 标志性 4px 工业工整微圆角 */
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 全局基础设置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-obsidian);
  color: #E2E8F0;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  touch-action: manipulation;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--color-primary-glow);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(229, 57, 53, 0.5);
}

.btn-gold {
  background: linear-gradient(135deg, #D4AF37 0%, #AA820A 100%);
  color: #0D1117;
  font-weight: 800;
  box-shadow: 0 4px 15px var(--color-gold-glow);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
}

.btn-outline {
  background: transparent;
  color: #E2E8F0;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #FFFFFF;
  color: #FFFFFF;
}

/* ==========================================================================
   质保系统顶栏导航 (Warranty Header)
   ========================================================================== */
.warranty-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  padding: 14px 0;
  transition: var(--transition);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-shield-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #D4AF37 0%, #8C6A05 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0D1117;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px var(--color-gold-glow);
}

.brand-titles {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-main-title {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: 1px;
  white-space: nowrap;
}

.brand-sub-title {
  font-size: 0.68rem;
  color: #FCD34D;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 2px;
  white-space: nowrap;
}

.warranty-nav-container {
  display: flex;
  align-items: center;
}

.warranty-nav-menu {
  display: flex;
  list-style: none;
  gap: 20px;
  align-items: center;
  white-space: nowrap;
}

.warranty-nav-link {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #CBD5E1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 0;
  position: relative;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.warranty-nav-link:hover, .warranty-nav-link.active {
  color: #FCD34D;
}

.warranty-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-gold);
}

.warranty-nav-link.nav-link-highlight {
  color: #FF8A80;
}

.warranty-nav-link.nav-link-highlight:hover {
  color: #FF5252;
}

.header-action-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

.btn-header-login {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-family: var(--font-heading);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.45);
  color: #FCD34D;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
}

.btn-header-login:hover {
  background: var(--color-gold);
  color: #0D1117;
  box-shadow: 0 0 14px var(--color-gold-glow);
}

.back-to-home-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: #94A3B8;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
  flex-shrink: 0;
}

.back-to-home-link:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.mobile-only-link {
  display: none;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* ==========================================================================
   Hero 质保查询中心主视觉 (Hero Search)
   ========================================================================== */
.warranty-hero {
  position: relative;
  padding: 70px 0 60px;
  background: radial-gradient(circle at 50% 10%, #1A2636 0%, var(--color-obsidian) 80%);
  border-bottom: 1px solid var(--color-border-dark);
  text-align: center;
}

.hero-seal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: #FCD34D;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.warranty-hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.warranty-hero-title span {
  color: var(--color-gold);
}

.warranty-hero-desc {
  font-size: 1.1rem;
  color: #94A3B8;
  max-width: 680px;
  margin: 0 auto 40px;
}

/* 检索查询主面板 */
.search-card-container {
  max-width: 820px;
  margin: 0 auto;
  background: var(--color-surface-dark);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  text-align: left;
}

.search-tab-header {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.search-tab-btn {
  background: transparent;
  border: none;
  color: #94A3B8;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-tab-btn.active {
  background: rgba(212, 175, 55, 0.15);
  color: #FCD34D;
  border: 1px solid rgba(212, 175, 55, 0.4);
}

.search-form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.search-input-field {
  flex: 1;
  padding: 16px 20px;
  font-size: 16px; /* 严格固定 16px 防 iOS Safari 自动变焦缩放 */
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  transition: var(--transition);
}

.search-input-field:focus {
  outline: none;
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 15px var(--color-gold-glow);
}

.search-input-field::placeholder {
  color: #64748B;
}

.search-submit-btn {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.quick-sample-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: #94A3B8;
}

.sample-chip {
  background: rgba(255, 255, 255, 0.06);
  color: #38BDF8;
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.sample-chip:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: #38BDF8;
  color: #FFF;
}

/* ==========================================================================
   四重官方正品防伪鉴别标准 (4-Tier Verification Standards)
   遵从 50% 探出圆形红色/金色徽章卡片规范
   ========================================================================== */
.standards-section {
  padding: 80px 0;
  background-color: var(--color-warm-light);
  color: var(--color-navy);
}

.standards-section .section-title {
  color: var(--color-navy);
}

.standards-section .section-desc {
  color: #475569;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.standard-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-sm);
  padding: 30px 20px 24px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
}

.standard-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  border-color: var(--color-primary);
}

.standard-icon-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #FCD34D;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  box-shadow: 0 6px 16px rgba(15, 43, 72, 0.2);
}

.standard-card:hover .standard-icon-circle {
  background: var(--color-primary);
  color: #FFFFFF;
}

.standard-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.standard-card-desc {
  font-size: 0.88rem;
  color: #64748B;
  line-height: 1.6;
}

/* ==========================================================================
   全国 10 年联保权益范围 (Warranty Scope)
   ========================================================================== */
.scope-section {
  padding: 80px 0;
  background-color: var(--color-obsidian);
  border-bottom: 1px solid var(--color-border-dark);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.scope-card {
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  padding: 28px;
  transition: var(--transition);
}

.scope-card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-4px);
}

.scope-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.scope-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(229, 57, 53, 0.12);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.scope-card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #FFFFFF;
  text-transform: uppercase;
}

.scope-card-list {
  list-style: none;
  font-size: 0.92rem;
  color: #94A3B8;
}

.scope-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.scope-card-list li i {
  color: var(--color-gold);
  margin-top: 3px;
  font-size: 0.85rem;
}

/* ==========================================================================
   电子质保凭证卡详情页专属样式 (certificate.html)
   ========================================================================== */
.cert-page-container {
  max-width: 900px;
  margin: 40px auto 60px;
}

.official-cert-card {
  background: #FFFFFF;
  color: #0F172A;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  border: 2px solid #D4AF37;
  overflow: hidden;
  position: relative;
}

/* 官方水印 */
.cert-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-25deg);
  font-family: var(--font-heading);
  font-size: 6.5rem;
  font-weight: 900;
  color: rgba(212, 175, 55, 0.05);
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 6px;
  z-index: 1;
}

.cert-top-bar {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 4px solid var(--color-gold);
  position: relative;
  z-index: 2;
}

.cert-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cert-brand-shield {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #D4AF37 0%, #9A7B1C 100%);
  border-radius: var(--radius-sm);
  color: #0D1117;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
}

.cert-badge-valid {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10B981;
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cert-content-body {
  padding: 36px 32px;
  position: relative;
  z-index: 2;
}

.cert-section-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: 8px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cert-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 30px;
}

.cert-cell {
  display: flex;
  flex-direction: column;
}

.cert-cell-label {
  font-size: 0.78rem;
  color: #64748B;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.cert-cell-value {
  font-weight: 700;
  color: #1E293B;
  font-size: 1.05rem;
}

.cert-cell-value.highlight-gold {
  color: #B45309;
  font-size: 1.15rem;
}

.cert-cell-value.highlight-red {
  color: #DC2626;
}

/* 施工部位明细清单表格 */
.cert-products-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
}

.cert-products-table th {
  background-color: #F8FAFC;
  color: #475569;
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  padding: 12px 14px;
  border-bottom: 2px solid #E2E8F0;
  text-align: left;
}

.cert-products-table td {
  padding: 12px 14px;
  font-size: 0.92rem;
  color: #334155;
  border-bottom: 1px solid #F1F5F9;
}

/* 官方电子印章与防伪码底栏 */
.cert-stamp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 2px dashed #CBD5E1;
}

.official-stamp-box {
  position: relative;
  width: 140px;
  height: 140px;
  border: 3px solid #DC2626;
  border-radius: 50%;
  color: #DC2626;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: rotate(-12deg);
  opacity: 0.85;
  user-select: none;
}

.stamp-star {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

.stamp-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.stamp-subtitle {
  font-size: 0.65rem;
  font-weight: 700;
}

.cert-action-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}

/* ==========================================================================
   在线售后申请页专属样式 (claim.html)
   ========================================================================== */
.claim-container {
  max-width: 760px;
  margin: 40px auto 70px;
  background: var(--color-surface-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 40px;
}

.claim-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 36px;
}

.claim-step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 2;
}

.claim-step-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #21262D;
  color: #94A3B8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
}

.claim-step-item.active .claim-step-circle {
  background: var(--color-gold);
  color: #0D1117;
  box-shadow: 0 0 12px var(--color-gold-glow);
}

.claim-step-label {
  font-size: 0.82rem;
  color: #94A3B8;
  font-weight: 600;
}

.claim-step-item.active .claim-step-label {
  color: #FFFFFF;
}

.form-row {
  margin-bottom: 22px;
}

.form-row label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #CBD5E1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.form-select, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 16px;
}

.form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 10px var(--color-gold-glow);
}

.issue-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.issue-label-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.issue-label-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(212, 175, 55, 0.4);
}

/* ==========================================================================
   手机移动端深度适配 (Mobile Specifics)
   ========================================================================== */
@media (max-width: 1024px) {
  .standards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .scope-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1080px) {
  /* 导航自适应收拢，杜绝折行 */
  .warranty-header {
    padding: 12px 0;
    position: relative;
  }
  .brand-shield-mark {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }
  .brand-main-title {
    font-size: 1.4rem;
  }
  .brand-sub-title {
    font-size: 0.62rem;
    letter-spacing: 0.8px;
  }
  .back-to-home-link {
    display: none; /* 平板/手机端移入折叠抽屉菜单 */
  }
  .mobile-toggle {
    display: block;
  }

  .warranty-nav-container {
    position: static;
  }

  .warranty-nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    background: rgba(13, 17, 23, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.8);
    z-index: 9999;
  }
  .warranty-nav-menu.active {
    display: flex;
  }
  .warranty-nav-menu li {
    width: 100%;
    display: block;
  }
  .warranty-nav-menu .warranty-nav-link {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    box-sizing: border-box;
  }
  .warranty-nav-menu .warranty-nav-link.active::after {
    display: none;
  }
  .warranty-nav-menu .warranty-nav-link.active {
    background: rgba(212, 175, 55, 0.15);
    border-color: rgba(212, 175, 55, 0.4);
    color: #FCD34D;
  }
  .mobile-only-link {
    display: block;
    width: 100%;
  }
}

@media (max-width: 768px) {
  /* 移动端细调 */
  .btn-header-login span {
    display: none; /* 手机超窄屏下只展示锁图标 */
  }
  .btn-header-login {
    padding: 6px 10px;
  }

  /* Hero 搜索 */
  .warranty-hero {
    padding: 40px 0;
  }
  .warranty-hero-title {
    font-size: 2.2rem;
  }
  .search-card-container {
    padding: 20px 16px;
  }
  .search-tab-header {
    overflow-x: auto;
    white-space: nowrap;
    gap: 8px;
    padding-bottom: 12px;
  }
  .search-form-row {
    flex-direction: column;
    gap: 10px;
  }
  .search-submit-btn {
    width: 100%;
  }

  /* 认证标准 */
  .standards-grid {
    grid-template-columns: 1fr;
  }

  /* 电子质保凭证移动端卡片式重构 */
  .cert-page-container {
    margin: 20px auto 40px;
  }
  .cert-top-bar {
    padding: 16px 18px;
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .cert-content-body {
    padding: 20px 16px;
  }
  .cert-info-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .cert-cell {
    border-bottom: 1px solid #F1F5F9;
    padding-bottom: 6px;
  }
  .cert-products-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  .cert-stamp-footer {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .cert-action-bar {
    flex-direction: column;
    width: 100%;
  }
  .cert-action-bar .btn {
    width: 100%;
  }

  /* 售后申请表单 */
  .claim-container {
    padding: 24px 16px;
    margin: 20px auto 40px;
  }
  .issue-checkbox-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   质保系统后台管理登录专区 (Login Page & Dynamic Animations - 优化紧凑黄金比例版)
   ========================================================================== */
.login-page-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #070A0F;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* 动态全息光学背景画布 */
.login-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.55;
}

/* 渐变流光光晕背景 */
.login-glow-orb {
  position: fixed;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 1;
  animation: orbDrift 15s infinite alternate ease-in-out;
}

.login-glow-orb.gold {
  top: -80px;
  right: 15%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.16) 0%, rgba(212, 175, 55, 0) 70%);
}

.login-glow-orb.red {
  bottom: -80px;
  left: 10%;
  background: radial-gradient(circle, rgba(229, 57, 53, 0.14) 0%, rgba(229, 57, 53, 0) 70%);
}

@keyframes orbDrift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, 20px) scale(1.1); }
}

/* 居中登录主体包装器 - 解决溢出裁切问题 */
.login-main-wrapper {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 16px;
  width: 100%;
}

/* 登录核心卡片 - 紧凑黄金比例与毛玻璃质感 */
.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(18, 24, 34, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(212, 175, 55, 0.12);
  padding: 30px 28px 26px;
  position: relative;
  overflow: hidden;
  animation: loginCardEntrance 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@keyframes loginCardEntrance {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 抖动动画 (错误反馈) */
.shake-error {
  animation: cardShake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes cardShake {
  10%, 90% { transform: translate3d(-2px, 0, 0); }
  20%, 80% { transform: translate3d(4px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-5px, 0, 0); }
  40%, 60% { transform: translate3d(5px, 0, 0); }
}

/* 卡片顶部发光装饰线 */
.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #D4AF37, #E53935, #D4AF37, transparent);
  background-size: 200% 100%;
  animation: shineLine 4s infinite linear;
}

@keyframes shineLine {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* 登录头部 - 紧凑设计 */
.login-header-block {
  text-align: center;
  margin-bottom: 20px;
  position: relative;
}

.login-shield-badge {
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  background: linear-gradient(135deg, #D4AF37 0%, #8C6A05 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0D1117;
  font-size: 1.4rem;
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.35);
  position: relative;
}

.login-shield-badge::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  border: 2px solid rgba(212, 175, 55, 0.5);
  animation: badgePulse 2.5s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes badgePulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

.login-title-main {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.login-subtitle-main {
  font-size: 0.68rem;
  color: #FCD34D;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 3px;
}

/* 角色切换选项卡 - 紧凑排布 */
.role-tabs-row {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 18px;
}

.role-tab-btn {
  flex: 1;
  padding: 7px 8px;
  background: transparent;
  border: none;
  color: #94A3B8;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}

.role-tab-btn.active {
  background: rgba(212, 175, 55, 0.18);
  color: #FCD34D;
  border: 1px solid rgba(212, 175, 55, 0.4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 表单输入控件 - 紧凑工整，防iOS自动缩放 */
.login-field-group {
  margin-bottom: 14px;
}

.login-field-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  color: #CBD5E1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
}

.login-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.login-input-icon {
  position: absolute;
  left: 14px;
  color: #64748B;
  font-size: 0.95rem;
  transition: var(--transition);
  pointer-events: none;
}

.login-input {
  width: 100%;
  height: 44px;
  padding: 10px 40px 10px 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 16px; /* 严格保证 16px 消除 iOS Safari 自动放大 */
  transition: var(--transition);
}

.login-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-gold);
  box-shadow: 0 0 14px var(--color-gold-glow);
}

.login-input-wrap:focus-within .login-input-icon {
  color: #FCD34D;
}

/* 密码显隐按钮 */
.password-eye-btn {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: #64748B;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 6px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-eye-btn:hover {
  color: #FFFFFF;
}

/* 验证码布局 - 高度对齐 */
.captcha-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.captcha-img-box {
  width: 115px;
  height: 44px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
}

.captcha-img-box:hover {
  border-color: var(--color-gold);
  transform: scale(1.02);
}

.captcha-text {
  font-family: 'Courier New', monospace;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: #FCD34D;
  text-shadow: 0 0 8px rgba(252, 211, 77, 0.4);
  transform: skewX(-10deg);
}

/* 记住密码与忘记密码行 */
.login-remember-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #94A3B8;
  margin-bottom: 16px;
}

/* 登录提交按钮与 Loading */
.login-submit-btn {
  width: 100%;
  height: 46px;
  padding: 0;
  font-size: 1.02rem;
  font-weight: 700;
  position: relative;
  overflow: hidden;
}

.btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(13, 17, 23, 0.3);
  border-top-color: #0D1117;
  border-radius: 50%;
  animation: spinLoader 0.7s infinite linear;
}

@keyframes spinLoader {
  to { transform: rotate(360deg); }
}

.login-submit-btn.loading .btn-text {
  opacity: 0;
}

.login-submit-btn.loading .btn-spinner {
  display: inline-block;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -10px;
  margin-left: -10px;
}

/* 进度扫描线动效 */
.auth-progress-track {
  display: none;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 12px;
  position: relative;
}

.auth-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #E53935, #D4AF37, #10B981);
  transition: width 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 登录成功状态展示 */
.login-success-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 10px;
  animation: fadeInSuccess 0.5s ease forwards;
}

@keyframes fadeInSuccess {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.success-check-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid #10B981;
  color: #10B981;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 16px;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.4);
  animation: checkPulse 1.8s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes checkPulse {
  0% { transform: scale(1); box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); }
  50% { transform: scale(1.06); box-shadow: 0 0 25px rgba(16, 185, 129, 0.7); }
  100% { transform: scale(1); box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); }
}

/* 错误提示气泡 */
.login-alert-box {
  display: none;
  background: rgba(229, 57, 53, 0.12);
  border: 1px solid rgba(229, 57, 53, 0.4);
  color: #FF8A80;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  margin-bottom: 14px;
  align-items: center;
  gap: 8px;
  animation: alertFadeIn 0.3s ease;
}

@keyframes alertFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 手机移动端精细化适配 */
@media (max-width: 480px) {
  .login-main-wrapper {
    padding: 20px 14px;
  }
  .login-card {
    padding: 24px 18px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  }
  .login-title-main {
    font-size: 1.4rem;
  }
  .login-shield-badge {
    width: 38px;
    height: 38px;
    font-size: 1.25rem;
    margin-bottom: 8px;
  }
  .captcha-row {
    flex-direction: row;
  }
  .captcha-img-box {
    width: 100px;
    height: 44px;
  }
  .captcha-text {
    font-size: 1.3rem;
  }
  .role-tab-btn {
    font-size: 0.82rem;
    padding: 6px 4px;
  }
}

/* ==========================================================================
   量美 (LUMEI) 质保管理后端中台控制台样式体系 (Admin Console Portal)
   规范: 左右结构、曜石黑底、钛金/赛车红强调、工整4px微圆角、高可用响应式
   ========================================================================== */

.admin-body {
  display: flex;
  min-height: 100vh;
  background-color: #070A0F;
  color: #E2E8F0;
  font-family: var(--font-body);
  overflow-x: hidden;
  position: relative;
}

/* 1. 左侧固定导航侧边栏 (Sidebar) */
.admin-sidebar {
  width: 250px;
  flex-shrink: 0;
  background-color: #0D1117;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s ease;
}

.sidebar-header {
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-brand-shield {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #D4AF37 0%, #8C6A05 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0D1117;
  font-size: 1.3rem;
  box-shadow: 0 4px 12px var(--color-gold-glow);
  flex-shrink: 0;
}

.sidebar-brand-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-brand-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
  letter-spacing: 0.8px;
}

.sidebar-brand-tag {
  font-size: 0.65rem;
  color: #FCD34D;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 3px;
}

/* 管理员微缩资料卡 */
.sidebar-user-card {
  padding: 14px 18px;
  margin: 14px 14px 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar-wrap {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 700;
  flex-shrink: 0;
}

.user-status-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background-color: #10B981;
  border: 2px solid #0D1117;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.8);
}

.user-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
}

.user-role-badge {
  font-size: 0.72rem;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}

/* 侧边栏菜单 */
.sidebar-menu-nav {
  flex: 1;
  padding: 10px 0;
  overflow-y: auto;
}

.sidebar-group-title {
  padding: 12px 20px 6px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  margin: 3px 12px;
  border-radius: var(--radius-sm);
  color: #94A3B8;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border-left: 3px solid transparent;
  user-select: none;
}

.sidebar-menu-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
  transform: translateX(2px);
}

.sidebar-menu-item.active {
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.16) 0%, rgba(212, 175, 55, 0.03) 100%);
  color: #FCD34D;
  border-left-color: var(--color-gold);
}

.menu-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  white-space: nowrap;
}

.menu-item-icon {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
  transition: var(--transition);
}

.sidebar-menu-item.active .menu-item-icon {
  color: #FCD34D;
}

.menu-badge {
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(229, 57, 53, 0.2);
  color: #FF8A80;
  border: 1px solid rgba(229, 57, 53, 0.35);
}

/* 侧边栏底部动作 */
.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-footer-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: #94A3B8;
  font-size: 0.88rem;
  transition: var(--transition);
  text-decoration: none;
}

.sidebar-footer-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
}

.sidebar-footer-link.danger-link:hover {
  background: rgba(229, 57, 53, 0.15);
  color: #FF8A80;
}

/* 2. 右侧主工作区 (Main Workspace) */
.admin-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background-color: #070A0F;
  min-height: 100vh;
}

/* 顶栏控制栏 (Topbar) */
.admin-topbar {
  height: 64px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-menu-toggle-btn {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 6px;
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: #64748B;
  white-space: nowrap;
}

.topbar-breadcrumb span.current {
  color: #FCD34D;
  font-weight: 700;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 顶栏全局快捷搜车牌/手机 */
.topbar-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.topbar-search-input {
  width: 220px;
  height: 36px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 6px 12px 6px 34px;
  color: #FFFFFF;
  font-size: 0.85rem;
  transition: var(--transition);
}

.topbar-search-input:focus {
  width: 280px;
  outline: none;
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 10px var(--color-gold-glow);
}

.topbar-search-icon {
  position: absolute;
  left: 12px;
  color: #64748B;
  font-size: 0.85rem;
  pointer-events: none;
}

.topbar-action-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.topbar-action-icon-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border-color: rgba(212, 175, 55, 0.4);
}

.topbar-bell-dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 7px;
  height: 7px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(229, 57, 53, 0.8);
}

/* 3. 业务内容容器 (Panels) */
.admin-content-container {
  padding: 24px 28px 40px;
  flex: 1;
}

.admin-panel {
  display: none;
  animation: panelFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.admin-panel.active {
  display: block;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-header-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 14px;
}

.panel-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-desc {
  font-size: 0.86rem;
  color: #94A3B8;
  margin-top: 3px;
}

/* 4. 模块一：质保看板 (Dashboard) 样式 */
.kpi-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.kpi-card {
  background: rgba(16, 21, 30, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.kpi-card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.kpi-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0;
  transition: var(--transition);
}

.kpi-card:hover::after {
  opacity: 1;
}

.kpi-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kpi-title {
  font-size: 0.85rem;
  color: #94A3B8;
  font-weight: 600;
}

.kpi-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: 0.5px;
}

.kpi-sub-trend {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  margin-top: 8px;
  color: #64748B;
}

.trend-up {
  color: #10B981;
  font-weight: 700;
}

.trend-good {
  color: #FCD34D;
  font-weight: 700;
}

/* 图表双列网格 */
.dashboard-charts-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: rgba(16, 21, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 22px;
}

.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.chart-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 纯 CSS 高保真条形趋势图 */
.css-trend-bar-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 190px;
  padding-top: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  gap: 12px;
}

.trend-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  gap: 8px;
}

.bar-pill-pair {
  width: 100%;
  max-width: 28px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 100%;
}

.bar-pill {
  flex: 1;
  border-radius: 2px 2px 0 0;
  transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.bar-pill.film {
  background: linear-gradient(180deg, #FCD34D 0%, #B45309 100%);
}

.bar-pill.ppf {
  background: linear-gradient(180deg, #E53935 0%, #991B1B 100%);
}

.bar-pill:hover::before {
  content: attr(data-val);
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  background: #0D1117;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: 0.72rem;
  padding: 2px 5px;
  border-radius: 2px;
  white-space: nowrap;
}

.trend-month-label {
  font-size: 0.76rem;
  color: #94A3B8;
}

/* 品类占比进度条列表 */
.category-progress-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cat-progress-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cat-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
}

.cat-progress-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
}

.cat-progress-bar-fill {
  height: 100%;
  border-radius: 4px;
}

/* 5. 模块二：质保订单 (Warranty Orders) 样式 */
.admin-card-box {
  background: rgba(16, 21, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 22px;
}

.order-filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-left-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-input, .admin-select {
  height: 38px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  color: #FFFFFF;
  font-size: 0.88rem;
  transition: var(--transition);
}

.admin-input:focus, .admin-select:focus {
  outline: none;
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 10px var(--color-gold-glow);
}

.admin-select option {
  background: #0D1117;
  color: #FFFFFF;
}

/* 工单表格 */
.admin-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.admin-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 14px;
  color: #94A3B8;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
}

.admin-table td {
  padding: 14px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: #CBD5E1;
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.025);
}

.car-badge-pill {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 8px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.78rem;
  font-weight: 700;
}

.status-badge.active {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.status-badge.pending {
  background: rgba(252, 211, 77, 0.15);
  color: #FCD34D;
  border: 1px solid rgba(252, 211, 77, 0.35);
}

.status-badge.claim {
  background: rgba(229, 57, 53, 0.15);
  color: #FF8A80;
  border: 1px solid rgba(229, 57, 53, 0.35);
}

.table-action-btn {
  padding: 5px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #CBD5E1;
  transition: var(--transition);
}

.table-action-btn:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--color-gold);
  color: #FCD34D;
}

/* 6. 模块三：门店查询 (Store Network) 样式 */
.store-admin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.store-admin-card {
  background: rgba(16, 21, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.store-admin-card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);
}

.store-card-img-wrap {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
}

.store-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.store-admin-card:hover .store-card-img {
  transform: scale(1.05);
}

.store-star-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-gold);
  color: #FCD34D;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}

.store-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.store-name-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.store-meta-line {
  font-size: 0.84rem;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.store-tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.store-tag {
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #CBD5E1;
  padding: 2px 7px;
  border-radius: 2px;
}

/* 7. 模块四：用户设置 (User Settings) 样式 */
.settings-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.settings-card {
  background: rgba(16, 21, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.settings-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.settings-form-group {
  margin-bottom: 16px;
}

.settings-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: #94A3B8;
  margin-bottom: 6px;
}

/* 8. 新增质保工单模态框 (Modal) */
.admin-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 10, 15, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.admin-modal-card {
  background: #0D1117;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-sm);
  width: 100%;
  max-width: 620px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85);
  overflow: hidden;
  animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header-bar {
  padding: 16px 22px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-text {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: #94A3B8;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: #FFFFFF;
}

.modal-body-content {
  padding: 22px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.modal-footer-bar {
  padding: 16px 22px;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* 9. 中台移动端与平板响应式适配 */
@media (max-width: 1024px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: -260px;
    height: 100vh;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.85);
  }
  .admin-sidebar.mobile-open {
    left: 0;
  }
  .admin-menu-toggle-btn {
    display: block;
  }
  .kpi-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dashboard-charts-grid {
    grid-template-columns: 1fr;
  }
  .store-admin-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .settings-split-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .admin-content-container {
    padding: 16px 14px;
  }
  .admin-topbar {
    padding: 0 14px;
  }
  .topbar-search-input {
    width: 140px;
  }
  .topbar-search-input:focus {
    width: 180px;
  }
  .kpi-cards-grid {
    grid-template-columns: 1fr;
  }
  .store-admin-grid {
    grid-template-columns: 1fr;
  }
  .modal-form-grid {
    grid-template-columns: 1fr;
  }
}

/* 施工部位快速匹配胶囊按钮 */
.coverage-tag-btn {
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  color: #CBD5E1;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.coverage-tag-btn:hover {
  border-color: var(--color-gold);
  color: #FFFFFF;
  background: rgba(212, 175, 55, 0.1);
}

.coverage-tag-btn.active {
  background: rgba(212, 175, 55, 0.22);
  border-color: var(--color-gold);
  color: #FCD34D;
  box-shadow: 0 0 8px var(--color-gold-glow);
}

/* 可编辑车牌徽章样式 (点击编辑质保明细) */
.car-badge-pill.editable-plate {
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  border-bottom: 1px dashed rgba(212, 175, 55, 0.6);
}

.car-badge-pill.editable-plate:hover {
  background: rgba(212, 175, 55, 0.18);
  border-color: var(--color-gold);
  color: #FCD34D;
  box-shadow: 0 0 10px var(--color-gold-glow);
  transform: translateY(-1px);
}

.car-badge-pill.editable-plate .edit-hint-icon {
  font-size: 0.72rem;
  opacity: 0.6;
  margin-left: 3px;
  transition: opacity 0.2s ease;
}

.car-badge-pill.editable-plate:hover .edit-hint-icon {
  opacity: 1;
  color: #FCD34D;
}

/* 工单行更新成功柔和微动画 */
.row-updated-flash {
  animation: rowFlash 1.6s ease forwards;
}

@keyframes rowFlash {
  0% { background-color: rgba(212, 175, 55, 0.3); }
  100% { background-color: transparent; }
}