/* ============================================
   星美家官网 · 主样式（简约大气 · 品牌色系）
   ============================================ */

:root {
  --brand-primary: #1e293b;     /* 深石板蓝 主色 */
  --brand-secondary: #6366f1;   /* 靛紫 强调色 */
  --brand-accent: #f59e0b;      /* 琥珀金 CTA */
  --brand-success: #10b981;
  --brand-danger: #ef4444;
  --brand-text: #0f172a;
  --brand-text-soft: #475569;
  --brand-text-muted: #94a3b8;
  --brand-bg: #ffffff;
  --brand-bg-soft: #f8fafc;
  --brand-border: #e2e8f0;
  --brand-gradient: linear-gradient(135deg, #1e293b 0%, #312e81 60%, #6366f1 100%);
  --brand-gradient-soft: linear-gradient(135deg, #f1f5f9 0%, #e0e7ff 100%);
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, 0.18);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--brand-text);
  background: var(--brand-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--brand-text);
  line-height: 1.25;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
p { margin: 0 0 1rem; color: var(--brand-text-soft); }
a { color: var(--brand-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-primary); }

img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; }

/* ===== 布局容器 ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 顶部导航栏 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--brand-border);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--brand-primary);
}
.brand-logo .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--brand-gradient);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -1px;
}
.brand-logo .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-logo .logo-text strong { font-size: 1.15rem; }
.brand-logo .logo-text span { font-size: 11px; color: var(--brand-text-muted); letter-spacing: 1px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  color: var(--brand-text-soft);
  font-weight: 500;
  transition: all var(--transition);
}
.nav-links a:hover { background: var(--brand-bg-soft); color: var(--brand-primary); }
.nav-links a.active { background: var(--brand-primary); color: #fff; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: var(--brand-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(99, 102, 241, 0.35); color: #fff; }
.btn-accent {
  background: var(--brand-accent);
  color: #fff;
  border-color: var(--brand-accent);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}
.btn-accent:hover { background: #d97706; color: #fff; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--brand-primary);
  border-color: var(--brand-border);
}
.btn-outline:hover { background: var(--brand-bg-soft); border-color: var(--brand-text-soft); color: var(--brand-primary); }
.btn-ghost { background: transparent; color: var(--brand-text-soft); padding: 8px 16px; }
.btn-ghost:hover { background: var(--brand-bg-soft); color: var(--brand-primary); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ===== 用户状态徽章 ===== */
.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  background: var(--brand-bg-soft);
  border: 1px solid var(--brand-border);
  cursor: pointer;
  font-size: 14px;
  color: var(--brand-text-soft);
}
.user-badge:hover { background: #fff; border-color: var(--brand-text-muted); color: var(--brand-primary); }
.user-badge .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 13px;
}

/* ===== Hero 区 ===== */
.hero {
  position: relative;
  padding: 96px 0 80px;
  background: var(--brand-gradient);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.4) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(245, 158, 11, 0.25) 0%, transparent 40%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 13px;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-accent);
  box-shadow: 0 0 12px var(--brand-accent);
}
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.15; }
.hero h1 .accent { color: var(--brand-accent); }
.hero .lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--brand-accent); display: block; }
.hero-stat .label { font-size: 13px; color: rgba(255, 255, 255, 0.7); }

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-visual .glow {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.6) 0%, transparent 70%);
  filter: blur(60px);
}
.hero-visual .orb {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e293b 0%, #312e81 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}
.hero-visual .orb-inner {
  text-align: center;
  color: #fff;
}
.hero-visual .orb-inner .big {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-visual .orb-inner .small { font-size: 0.9rem; opacity: 0.7; letter-spacing: 4px; }
.hero-visual .floating-tag {
  position: absolute;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-visual .floating-tag.t1 { top: 10%; left: -10px; animation: float 5s ease-in-out infinite; }
.hero-visual .floating-tag.t2 { bottom: 20%; right: -10px; animation: float 6s ease-in-out infinite 1s; }
.hero-visual .floating-tag.t3 { top: 60%; left: 5%; animation: float 7s ease-in-out infinite 0.5s; }
.hero-visual .floating-tag .icon {
  width: 24px; height: 24px; border-radius: 8px;
  background: var(--brand-gradient);
  display: grid; place-items: center; color: #fff; font-size: 12px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== 通用 section ===== */
.section { padding: 88px 0; }
.section-soft { background: var(--brand-bg-soft); }
.section-dark { background: var(--brand-gradient); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: rgba(255, 255, 255, 0.75); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--brand-gradient-soft);
  color: var(--brand-secondary);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 1.05rem; color: var(--brand-text-soft); }

/* ===== 卡片 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--brand-gradient-soft);
  color: var(--brand-secondary);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.card .icon-wrap svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }
.card .badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--brand-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ===== 服务分类卡 ===== */
.service-card { display: flex; flex-direction: column; }
.service-card .number {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-secondary);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.service-card ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.service-card li {
  padding: 8px 0;
  padding-left: 22px;
  position: relative;
  color: var(--brand-text-soft);
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--brand-border);
}
.service-card li:last-child { border-bottom: 0; }
.service-card li::before {
  content: '';
  position: absolute;
  left: 0; top: 15px;
  width: 12px; height: 2px;
  background: var(--brand-accent);
}

/* ===== 价格/方案卡 ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.pricing-card.featured {
  background: var(--brand-gradient);
  color: #fff;
  border-color: transparent;
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured h3, .pricing-card.featured .price-tag { color: #fff; }
.pricing-card.featured li { color: rgba(255, 255, 255, 0.85); border-color: rgba(255,255,255,0.15); }
.pricing-card.featured .badge-ribbon {
  position: absolute;
  top: 20px; right: 20px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--brand-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}
.pricing-card.featured .btn-accent { background: #fff; color: var(--brand-primary); }
.pricing-card.featured .btn-accent:hover { background: var(--brand-bg-soft); }
.pricing-card h3 { font-size: 1.5rem; margin-bottom: 8px; }
.pricing-card .price-tag { font-size: 2.2rem; font-weight: 800; color: var(--brand-primary); margin: 16px 0 4px; }
.pricing-card .price-tag small { font-size: 0.9rem; font-weight: 500; color: var(--brand-text-muted); }
.pricing-card.featured .price-tag small { color: rgba(255,255,255,0.7); }
.pricing-card ul { list-style: none; padding: 0; margin: 24px 0 32px; flex: 1; }
.pricing-card li {
  padding: 10px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  color: var(--brand-text-soft);
  border-bottom: 1px dashed var(--brand-border);
}
.pricing-card li:last-child { border-bottom: 0; }
.pricing-card li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 10px;
  color: var(--brand-secondary);
  font-weight: 800;
}
.pricing-card.featured li::before { color: var(--brand-accent); }

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--brand-primary);
  font-size: 14px;
}
.form-control, input[type="text"], input[type="email"], input[type="password"], input[type="tel"], textarea, select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--brand-text);
  background: #fff;
  transition: all var(--transition);
  font-family: inherit;
}
.form-control:focus, input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--brand-secondary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}
textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: 13px; color: var(--brand-text-muted); margin-top: 6px; }
.form-error { font-size: 13px; color: var(--brand-danger); margin-top: 6px; display: none; }
.form-error.show { display: block; }

/* ===== 模态框 / Toast ===== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--brand-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 380px;
  animation: slide-in 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.toast.success { border-left-color: var(--brand-success); }
.toast.error { border-left-color: var(--brand-danger); }
.toast .icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--brand-secondary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  flex-shrink: 0;
}
.toast.success .icon { background: var(--brand-success); }
.toast.error .icon { background: var(--brand-danger); }
.toast .msg { color: var(--brand-text); font-size: 14px; font-weight: 500; }

@keyframes slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fade-in 0.2s ease;
}
.modal-backdrop.show { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow: auto;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  animation: scale-in 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal h3 { margin-bottom: 8px; }
.modal .modal-sub { color: var(--brand-text-muted); margin-bottom: 24px; font-size: 14px; }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 0;
  background: var(--brand-bg-soft);
  color: var(--brand-text-muted);
  cursor: pointer;
  display: grid; place-items: center;
  font-size: 18px;
}

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

/* ===== 客户行业 / Logo 墙 ===== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.industry-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--brand-text-soft);
  transition: all var(--transition);
}
.industry-pill:hover { color: var(--brand-primary); border-color: var(--brand-secondary); transform: translateY(-2px); }
.industry-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand-gradient);
}

/* ===== 时间线 / 流程 ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  position: relative;
}
.process-step {
  text-align: center;
  position: relative;
  padding: 24px 16px;
}
.process-step .step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.3);
}
.process-step h4 { margin-bottom: 8px; font-size: 1.1rem; }
.process-step p { font-size: 0.92rem; margin: 0; }

/* ===== 优势 ===== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.advantage-card {
  padding: 32px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  backdrop-filter: blur(8px);
}
.advantage-card .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--brand-accent);
  display: block;
  margin-bottom: 8px;
}
.advantage-card h4 { color: #fff; font-size: 1.15rem; margin-bottom: 8px; }
.advantage-card p { color: rgba(255, 255, 255, 0.7); font-size: 0.92rem; margin: 0; }

/* ===== 联系信息 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.contact-info { padding: 12px 0; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--brand-border);
}
.contact-item:last-child { border-bottom: 0; }
.contact-item .icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--brand-gradient-soft);
  color: var(--brand-secondary);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-item .icon svg { width: 22px; height: 22px; }
.contact-item .label { font-size: 12px; color: var(--brand-text-muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.contact-item .value { font-size: 1rem; color: var(--brand-primary); font-weight: 600; }
.contact-item .value a { color: var(--brand-primary); }
.contact-item .value a:hover { color: var(--brand-secondary); }

.contact-form-card {
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.site-footer h5 { color: #fff; margin-bottom: 16px; font-size: 0.95rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 4px 0; font-size: 14px; }
.site-footer a { color: rgba(255, 255, 255, 0.65); }
.site-footer a:hover { color: #fff; }
.footer-brand .brand-logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { color: rgba(255, 255, 255, 0.55); font-size: 14px; max-width: 280px; }
.newsletter-input {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  max-width: 320px;
}
.newsletter-input input {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
}
.newsletter-input input::placeholder { color: rgba(255, 255, 255, 0.4); }
.newsletter-input input:focus {
  border-color: var(--brand-secondary);
  background: rgba(255, 255, 255, 0.08);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 浮动聊天/联系按钮 ===== */
.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.floating-cta .fab {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  border: 0;
  transition: transform var(--transition);
}
.floating-cta .fab:hover { transform: scale(1.08); }
.floating-cta .fab svg { width: 26px; height: 26px; }

/* ===== 用户中心 ===== */
.user-dashboard {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  margin-top: 32px;
}
.user-sidebar {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--brand-border);
  align-self: start;
}
.user-sidebar h4 { font-size: 0.9rem; color: var(--brand-text-muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.user-info-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--brand-border);
  margin-bottom: 16px;
}
.user-info-card .avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}
.user-info-card .info { min-width: 0; }
.user-info-card .info .name { font-weight: 700; color: var(--brand-primary); }
.user-info-card .info .email { font-size: 12px; color: var(--brand-text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.user-main {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--brand-border);
}
.user-main h2 { font-size: 1.5rem; margin-bottom: 24px; }
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--brand-text-muted);
}
.empty-state svg { width: 48px; height: 48px; opacity: 0.4; margin-bottom: 12px; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--brand-bg-soft);
  color: var(--brand-text-soft);
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--brand-border);
}
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--brand-border);
  color: var(--brand-text-soft);
}
.data-table tr:last-child td { border-bottom: 0; }
.status-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.status-pill.new { background: #dbeafe; color: #1e40af; }
.status-pill.done { background: #d1fae5; color: #065f46; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero { padding: 64px 0 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; text-align: left; }
  .hero-visual { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .user-dashboard { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: scale(1); }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .nav-cta .btn-ghost { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px; }
  .floating-cta { bottom: 16px; right: 16px; }
}

/* ===== 移动端汉堡菜单 ===== */
.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--brand-primary);
}
/* 桌面端默认隐藏移动端折叠菜单（仅 < 900px 时配合 .show 类显示） */
.nav-collapse { display: none; }
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-wrap { position: relative; }
  .nav-collapse {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    border-top: 1px solid var(--brand-border);
    box-shadow: var(--shadow-md);
    padding: 16px;
    display: none;
    flex-direction: column;
    gap: 4px;
  }
  .nav-collapse.show { display: flex; }
  .nav-collapse a { padding: 12px 16px; }
  .nav-collapse .nav-cta { padding-top: 8px; border-top: 1px solid var(--brand-border); margin-top: 8px; }
}