/* ============================================================
   星澜工作室 · 现代简约高级主题（仅作用于 .theme-minimal）
   暖瓷底 + 靛紫渐变点缀，柔和分层阴影，发丝边框，克制动效
   ============================================================ */

/* ---------- 设计令牌 ---------- */
body.theme-minimal {
  --paper: #f6f7fb;
  --surface: #ffffff;
  --ink: #14141a;
  --ink-2: #3a3a42;
  --muted: #6f6f78;
  --faint: #a1a1aa;
  --line: #e8e9f1;
  --line-soft: #eef0f6;
  --tint: #f1f0fe;
  --tint-2: #e9e7ff;

  --accent: #5b54e6;
  --accent-d: #4338ca;
  --accent-l: #8b5cf6;
  --cyan: #22d3ee;

  --grad: linear-gradient(135deg, #6366f1 0%, #7c3aed 100%);
  --grad-text: linear-gradient(120deg, #6366f1 0%, #a855f7 48%, #22d3ee 100%);
  --gradient: linear-gradient(135deg, #6366f1 0%, #7c3aed 100%);
  --gradient-2: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
  --gradient-soft: linear-gradient(135deg, #f1f0fe 0%, #fbfcff 100%);

  --sh-1: 0 1px 2px rgba(20, 20, 26, .04), 0 10px 24px rgba(20, 20, 26, .05);
  --sh-2: 0 2px 4px rgba(20, 20, 26, .05), 0 20px 44px rgba(20, 20, 26, .08);
  --sh-accent: 0 12px 28px rgba(91, 84, 230, .22);

  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ---------- 平滑滚动 + 锚点不被导航遮挡 ---------- */
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { scroll-behavior: auto !important; }
}

/* ---------- 全站细颗粒噪点（胶片质感） ---------- */
body.theme-minimal::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: .035;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

/* ---------- 导航（扁平现代风 - 精致版） ---------- */
.theme-minimal .navbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.theme-minimal .navbar.scrolled {
  background: #fff;
  border-bottom-color: var(--line);
  box-shadow: none;
}
.theme-minimal .logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.3px;
  gap: 10px;
}
.theme-minimal .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--accent);
  background: var(--tint);
  border: 1px solid var(--tint-2);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.theme-minimal .logo-icon::after { display: none; }
.theme-minimal .nav-menu {
  position: static;
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}
.theme-minimal .nav-indicator { display: none !important; }
.theme-minimal .nav-link {
  position: relative;
  padding: 8px 14px;
  border-radius: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color .25s cubic-bezier(.4, 0, .2, 1);
}
.theme-minimal .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%) scaleX(0);
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transition: transform .25s ease;
}
.theme-minimal .nav-link:hover { color: var(--accent); background: transparent; }
.theme-minimal .nav-link:hover::after { transform: translateX(-50%) scaleX(1); }
.theme-minimal .nav-link.active { color: var(--accent); font-weight: 600; background: transparent; }
.theme-minimal .nav-link.active::after {
  display: block;
  transform: translateX(-50%) scaleX(1);
}
.theme-minimal .nav-link.active::before { display: none; }
.theme-minimal .nav-actions { gap: 12px; align-items: center; }

/* 桌面端隐藏抽屉底部 CTA（仅移动端出现） */
.theme-minimal .nav-menu-footer { display: none; }
.theme-minimal .nav-actions .btn {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .2px;
  background: transparent;
  box-shadow: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}
.theme-minimal .nav-actions .btn i { transition: transform .2s ease; }
.theme-minimal .nav-actions .btn-ghost {
  color: var(--ink-2);
  border: 1px solid var(--line);
  background: #fff;
}
.theme-minimal .nav-actions .btn-ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--tint);
}
.theme-minimal .nav-actions .btn-primary {
  color: #fff;
  background: var(--accent);
  border: 0;
  box-shadow: none;
}
.theme-minimal .nav-actions .btn-primary:hover {
  background: var(--accent-d);
  box-shadow: none;
  transform: translateY(-1px);
}
.theme-minimal .nav-actions .btn-primary i { margin-left: 6px; }
.theme-minimal .nav-actions .btn-primary:hover i { transform: translateX(2px); }

/* ---------- 按钮（去高光，统一圆角，柔和阴影） ---------- */
.theme-minimal .btn { border-radius: 12px; }
.theme-minimal .btn::after { display: none; }
.theme-minimal .btn-primary {
  background: var(--grad);
  box-shadow: var(--sh-accent);
}
.theme-minimal .btn-primary:hover {
  background: var(--accent-d);
  box-shadow: 0 16px 34px rgba(91, 84, 230, .3);
  transform: translateY(-2px);
}
.theme-minimal .btn-outline {
  border-color: var(--line);
  color: var(--ink);
}
.theme-minimal .btn-outline:hover {
  background: var(--tint);
  border-color: var(--tint-2);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ---------- Hero（极光网格 + 柔光斑 + 暗角） ---------- */
.theme-minimal .hero {
  background:
    radial-gradient(38% 48% at 13% 6%, rgba(99, 102, 241, .18), transparent 72%),
    radial-gradient(40% 50% at 88% 14%, rgba(168, 85, 247, .18), transparent 72%),
    radial-gradient(46% 52% at 74% 98%, rgba(34, 211, 238, .14), transparent 72%),
    radial-gradient(40% 50% at 22% 102%, rgba(99, 102, 241, .13), transparent 72%),
    radial-gradient(120% 80% at 50% 0%, #ffffff 0%, rgba(246, 247, 251, 0) 60%),
    var(--paper);
  min-height: 100vh;
}
.theme-minimal .hero-glow {
  display: block;
  filter: blur(95px);
  opacity: .6;
}
.theme-minimal .glow-1 {
  width: 560px; height: 560px;
  background: #a855f7;
  top: -200px; right: -80px;
}
.theme-minimal .glow-2 {
  width: 500px; height: 500px;
  background: #22d3ee;
  bottom: -220px; left: -100px;
  opacity: .5;
}
.theme-minimal .hero-grid { opacity: .35; }

.theme-minimal .hero-badge {
  background: rgba(255, 255, 255, .7);
  border: 1px solid var(--line);
  color: var(--accent);
  box-shadow: var(--sh-1);
  backdrop-filter: blur(8px);
}
.theme-minimal .hero-badge i { color: var(--accent-l); }
.theme-minimal .hero h1 {
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.12;
  letter-spacing: -1px;
  font-weight: 800;
  color: var(--ink);
}
.theme-minimal .text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.theme-minimal .hero-desc {
  color: var(--muted);
  font-size: 17px;
  max-width: 540px;
}
.theme-minimal .hero-rating { color: var(--ink-2); }
.theme-minimal .hero-score { color: var(--ink); }
.theme-minimal .hero-score-text { color: var(--faint); }
.theme-minimal .stat-item strong { color: var(--ink); letter-spacing: -.5px; }
.theme-minimal .stat-item span { color: var(--faint); }
.theme-minimal .stat-divider { background: var(--line); }

/* 极简滚动提示 */
.theme-minimal .hero-scroll {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--faint);
  z-index: 3;
}
.theme-minimal .hero-scroll span {
  width: 22px; height: 36px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  position: relative;
}
.theme-minimal .hero-scroll span::after {
  content: "";
  position: absolute; left: 50%; top: 7px;
  width: 3px; height: 7px; border-radius: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { opacity: 0; transform: translate(-50%, 0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 12px); }
}

/* ---------- 区块间距与标题 ---------- */
.theme-minimal .section { padding: 112px 0; }
.theme-minimal .section-gray { background: var(--surface); }
.theme-minimal .section-head { margin-bottom: 72px; }
.theme-minimal .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: transparent;
  border: 0;
  color: var(--accent);
  padding: 0;
  font-size: 12px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 18px;
}
.theme-minimal .section-tag::before {
  content: "";
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}
.theme-minimal .section-tag i { display: none; }
.theme-minimal .section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -.5px;
  font-weight: 800;
  color: var(--ink);
  position: relative;
}
.theme-minimal .section-head h2::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  border-radius: 3px;
  margin: 18px auto 0;
  background: var(--grad);
}
.theme-minimal .section-head p { color: var(--muted); font-size: 16px; }

/* ---------- 卡片统一（柔和分层阴影 + 发丝边框） ---------- */
.theme-minimal .value-card,
.theme-minimal .feature-card,
.theme-minimal .testi-card,
.theme-minimal .price-card,
.theme-minimal .team-card,
.theme-minimal .case-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--sh-1);
  transition: transform .4s cubic-bezier(.22, .61, .36, 1),
              box-shadow .4s cubic-bezier(.22, .61, .36, 1),
              border-color .3s ease;
  will-change: transform;
}
.theme-minimal .value-card::before,
.theme-minimal .feature-card::before,
.theme-minimal .case-card::after { display: none; }
.theme-minimal .value-card:hover,
.theme-minimal .feature-card:hover,
.theme-minimal .testi-card:hover,
.theme-minimal .price-card:hover,
.theme-minimal .team-card:hover,
.theme-minimal .case-card:hover {
  box-shadow: var(--sh-2), 0 16px 44px rgba(91, 84, 230, .12);
  border-color: rgba(139, 92, 246, .35);
  transform: translateY(-8px);
}

/* 图标扁平化（浅靛底） */
.theme-minimal .value-icon.bg-blue,
.theme-minimal .value-icon.bg-green,
.theme-minimal .value-icon.bg-orange {
  background: var(--tint);
  color: var(--accent);
  box-shadow: none;
}
.theme-minimal .value-icon.bg-blue::after,
.theme-minimal .value-icon.bg-green::after,
.theme-minimal .value-icon.bg-orange::after { background: transparent; }
.theme-minimal .feature-icon {
  background: var(--tint);
  color: var(--accent);
  box-shadow: none;
}
.theme-minimal .feature-card:hover .feature-icon {
  background: var(--grad);
  color: #fff;
}
.theme-minimal .feature-card h3,
.theme-minimal .value-card h3 { color: var(--ink); }
.theme-minimal .feature-card p,
.theme-minimal .value-card > p { color: var(--muted); }
.theme-minimal .value-card ul li { color: var(--muted); }
.theme-minimal .value-card ul li i { color: var(--accent); }
.theme-minimal .feature-tags span {
  background: var(--tint);
  color: var(--accent);
  border: 1px solid var(--tint-2);
}
.theme-minimal .feature-more { color: var(--accent); }

/* ---------- 流程步骤 ---------- */
.theme-minimal .step-item { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--sh-1); }
.theme-minimal .step-item:hover { box-shadow: var(--sh-2); border-color: var(--tint-2); }
.theme-minimal .step-num { background: var(--grad); box-shadow: 0 8px 18px rgba(91, 84, 230, .3); }
.theme-minimal .step-icon { background: var(--tint); color: var(--accent); border: 1px solid var(--tint-2); }
.theme-minimal .step-item:hover .step-icon { background: var(--grad); color: #fff; }
.theme-minimal .step-item h3 { color: var(--ink); }
.theme-minimal .step-item p { color: var(--muted); }
.theme-minimal .step-arrow { color: var(--tint-2); }

/* ---------- 客户评价 ---------- */
.theme-minimal .testi-quote { color: var(--tint-2); }
.theme-minimal .testi-stars { color: #f5a623; }
.theme-minimal .testi-text { color: var(--ink-2); }
.theme-minimal .testi-author strong { color: var(--ink); }
.theme-minimal .testi-author span { color: var(--faint); }
.theme-minimal .testi-avatar { box-shadow: var(--sh-1); }

/* ---------- 定价 ---------- */
.theme-minimal .price-card.popular {
  border: 2px solid var(--accent);
  box-shadow: 0 20px 48px rgba(91, 84, 230, .14);
  transform: none;
}
.theme-minimal .price-card.popular:hover { transform: translateY(-8px); }
.theme-minimal .price-card.popular::before { display: none; }
.theme-minimal .popular-badge { background: var(--grad); }
.theme-minimal .price-head h3 { color: var(--ink); }
.theme-minimal .price-num { color: var(--ink); }
.theme-minimal .popular .price-num { color: var(--accent); }
.theme-minimal .price-list li { color: var(--ink-2); }
.theme-minimal .price-list li i { color: var(--accent); }

/* ---------- 团队成员 ---------- */
.theme-minimal .team-card::before { background: var(--tint); opacity: .7; }
.theme-minimal .team-name { color: var(--ink); }
.theme-minimal .team-role { color: var(--accent); }
.theme-minimal .team-bio { color: var(--muted); }
.theme-minimal .team-tags span { background: var(--tint); color: var(--accent); border: 1px solid var(--tint-2); }
.theme-minimal .team-social a { background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); }
.theme-minimal .team-social a:hover { background: var(--grad); color: #fff; border-color: transparent; }

/* ---------- 精选案例 ---------- */
.theme-minimal .case-title { color: var(--ink); }
.theme-minimal .case-desc { color: var(--muted); }
.theme-minimal .case-tag { background: var(--tint); color: var(--accent); border: 1px solid var(--tint-2); }
.theme-minimal .case-arrow { background: var(--surface); border: 1px solid var(--line); color: var(--muted); }
.theme-minimal .case-card:hover .case-arrow { background: var(--grad); color: #fff; }
.theme-minimal .case-stats { border-color: var(--line); }
.theme-minimal .case-stats strong { color: var(--accent); }
.theme-minimal .case-stats span { color: var(--faint); }
.theme-minimal .case-tags span { background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); }

/* ---------- FAQ ---------- */
.theme-minimal .faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: none; }
.theme-minimal .faq-item.active { border-color: var(--tint-2); box-shadow: var(--sh-1); }
.theme-minimal .faq-q { color: var(--ink); }
.theme-minimal .faq-q i { color: var(--accent); }
.theme-minimal .faq-a p { color: var(--muted); }

/* ---------- 深色业务区 → 浅色点缀带 ---------- */
.theme-minimal .section-dark {
  background: linear-gradient(180deg, #f1f0fe 0%, var(--paper) 100%);
  color: var(--ink);
}
.theme-minimal .section-dark .section-head h2 { color: var(--ink); }
.theme-minimal .section-dark .section-head p { color: var(--muted); }
.theme-minimal .section-dark .section-tag { color: var(--accent); }
.theme-minimal .section-dark .feature-card { background: var(--surface); border: 1px solid var(--line); backdrop-filter: none; -webkit-backdrop-filter: none; }
.theme-minimal .section-dark .feature-card h3 { color: var(--ink); }
.theme-minimal .section-dark .feature-card p { color: var(--muted); }
.theme-minimal .section-dark .feature-icon { background: var(--tint); color: var(--accent); box-shadow: none; }
.theme-minimal .section-dark .feature-tags span { background: var(--tint); color: var(--accent); border: 1px solid var(--tint-2); }

/* ---------- CTA / 表单 ---------- */
.theme-minimal .section-cta { background: var(--surface); }
.theme-minimal .section-cta::before,
.theme-minimal .section-cta::after { display: none; }
.theme-minimal .custom-text h2 { color: var(--ink); }
.theme-minimal .custom-text > p { color: var(--muted); }
.theme-minimal .custom-points div { color: var(--ink-2); }
.theme-minimal .custom-points i { background: var(--tint); color: var(--accent); border: 1px solid var(--tint-2); }
.theme-minimal .custom-form { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--sh-1); }
.theme-minimal .custom-form h3 { color: var(--ink); }
.theme-minimal .form-group input,
.theme-minimal .form-group select,
.theme-minimal .form-group textarea {
  background: var(--paper);
  border: 1.5px solid var(--line);
  color: var(--ink);
  border-radius: 12px;
}
.theme-minimal .form-group input:focus,
.theme-minimal .form-group select:focus,
.theme-minimal .form-group textarea:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px var(--tint);
}
.theme-minimal .form-tip { color: var(--faint); }

/* ---------- 弹窗 / 返回顶部 ---------- */
.theme-minimal .modal { box-shadow: var(--sh-2); }
.theme-minimal .modal-icon { background: var(--tint); color: var(--accent); }
.theme-minimal .modal h3 { color: var(--ink); }
.theme-minimal .modal p { color: var(--muted); }
.theme-minimal .back-top { background: var(--grad); box-shadow: 0 10px 26px rgba(91, 84, 230, .32); }

/* ---------- 页脚（浅色极简） ---------- */
.theme-minimal .footer { background: var(--paper); color: var(--muted); border-top: 1px solid var(--line); }
.theme-minimal .footer::before { display: none; }
.theme-minimal .footer .logo { color: var(--ink); }
.theme-minimal .footer-col h4 { color: var(--ink); }
.theme-minimal .footer-col a { color: var(--muted); }
.theme-minimal .footer-col a:hover { color: var(--accent); }
.theme-minimal .footer-col p { color: var(--muted); }
.theme-minimal .footer-col p i { color: var(--tint-2); }
.theme-minimal .footer-keywords { border-top: 1px solid var(--line); }
.theme-minimal .footer-keywords span { color: var(--faint); }
.theme-minimal .footer-keywords a:hover { color: var(--accent); }
.theme-minimal .footer-bottom { border-top: 1px solid var(--line); color: var(--faint); }
.theme-minimal .footer-social a { background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); }
.theme-minimal .footer-social a:hover { background: var(--grad); color: #fff; border-color: transparent; }

/* ---------- 3D 轨道（靛紫青色系） ---------- */
.theme-minimal .orbit-glow {
  background: radial-gradient(circle, rgba(91, 84, 230, .14) 0%, rgba(139, 92, 246, .06) 42%, transparent 70%);
}
.theme-minimal .orbit-halo {
  background: radial-gradient(circle at center, rgba(91, 84, 230, .18) 0%, rgba(91, 84, 230, .04) 48%, transparent 70%);
  box-shadow: 0 0 70px 12px rgba(91, 84, 230, .20), inset 0 0 60px rgba(139, 92, 246, .18);
}
.theme-minimal .orbit-halo::after,
.theme-minimal .orbit-halo::before,
.theme-minimal .orbit-path { border-color: rgba(139, 92, 246, .4); }
.theme-minimal .orbit-ring-spin {
  background: conic-gradient(from 0deg, transparent 0%, #5b54e6 20%, #22d3ee 36%, transparent 62%);
}
.theme-minimal .orbit-ping { border-color: rgba(91, 84, 230, .4); }
.theme-minimal .orbit-scene::after {
  background: radial-gradient(ellipse at center, rgba(91, 84, 230, .2), transparent 72%);
}
.theme-minimal .caption-pill {
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--line);
  color: var(--ink-2);
  box-shadow: var(--sh-1);
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .theme-minimal .section { padding: 88px 0; }
  .theme-minimal .section-head { margin-bottom: 56px; }
  .theme-minimal .nav-link { padding: 6px 10px; font-size: 13px; }
  .theme-minimal .nav-actions .btn { padding: 7px 14px; font-size: 12px; }
}
@media (max-width: 768px) {
  .theme-minimal .section { padding: 76px 0; }
  .theme-minimal .section-head { margin-bottom: 48px; }
  .theme-minimal .hero-scroll { display: none; }
  .theme-minimal .logo { font-size: 18px; }
  .theme-minimal .logo-icon { width: 34px; height: 34px; font-size: 16px; }
  /* ---------- 移动端抽屉（标准框架风） ---------- */
  .theme-minimal .nav-mask {
    background: rgba(20, 20, 30, .48);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
  }
  .theme-minimal .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1002;
    width: min(74vw, 320px);
    height: 100vh;
    height: 100dvh;
    padding: 0;
    align-items: stretch;
    flex-direction: column;
    border-left: 0;
    border: 1px solid rgba(255, 255, 255, .85);
    border-right: 0;
    border-radius: 28px 0 0 28px;
    background:
      radial-gradient(circle at 82% 7%, rgba(105, 92, 255, .08), transparent 24%),
      linear-gradient(180deg, #fff 0%, #fbfbff 100%);
    box-shadow: -24px 0 70px rgba(17, 19, 38, .22);
    gap: 0;
    overflow: hidden;
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.2, .7, .2, 1),
                box-shadow .35s ease;
  }
  .theme-minimal .nav-menu.open {
    transform: translateX(0);
    box-shadow: -28px 0 80px rgba(17, 19, 38, .28);
  }
  .theme-minimal .nav-close {
    top: 24px;
    right: 18px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: rgba(255, 255, 255, .72);
    color: var(--ink-2);
    font-size: 18px;
    border: 1px solid var(--line);
    transition: background .2s ease, color .2s ease, transform .2s ease;
  }
  .theme-minimal .nav-close:hover {
    background: var(--tint);
    color: var(--accent);
    transform: rotate(90deg);
  }
  .theme-minimal .nav-drawer-head {
    display: flex;
    align-items: stretch;
    flex-direction: column;
    gap: 7px;
    min-height: 138px;
    padding: 34px 22px 24px;
    background: transparent;
    border-bottom: 0;
    flex-shrink: 0;
  }
  .theme-minimal .nav-drawer-head::after {
    left: 22px;
    right: 22px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--tint-2) 18%, var(--tint-2) 82%, transparent);
  }
  .theme-minimal .nav-brand { gap: 13px; padding-right: 48px; }
  .theme-minimal .nav-brand-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--grad);
    font-size: 20px;
    box-shadow: 0 10px 24px rgba(91, 84, 230, .3);
  }
  .theme-minimal .nav-brand-text { font-size: 21px; color: var(--ink); }
  .theme-minimal .nav-drawer-sub { padding-left: 61px; font-size: 12.5px; color: var(--ink-3); }
  .theme-minimal .nav-drawer-scroll {
    display: flex;
    flex: 1;
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 9px;
    padding: 16px 20px;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .theme-minimal .nav-link {
    display: flex;
    align-items: center;
    gap: 13px;
    width: 100%;
    min-height: 64px;
    padding: 10px 14px;
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink-2);
    border-bottom: 0;
    border: 1px solid rgba(50, 53, 72, .08);
    border-radius: 15px;
    background: rgba(255, 255, 255, .74);
    box-shadow: 0 6px 20px rgba(40, 42, 68, .045);
    white-space: nowrap;
    transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  }
  .theme-minimal .nav-link i {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 11px;
    color: var(--accent);
    background: var(--tint);
    border: 1px solid var(--tint-2);
  }
  .theme-minimal .nav-link span { flex: 1; }
  .theme-minimal .nav-link::after,
  .theme-minimal .nav-link.active::after {
    content: "›";
    position: static;
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 28px;
    flex-shrink: 0;
    color: #b6b7be;
    background: transparent;
    font-size: 27px;
    font-weight: 300;
    line-height: 1;
    transform: none;
  }
  .theme-minimal .nav-link:hover {
    background: #fff;
    color: var(--accent);
    border-color: var(--tint-2);
    transform: translateX(-2px);
  }
  .theme-minimal .nav-link.active {
    background: linear-gradient(105deg, rgba(102, 83, 255, .10), rgba(58, 151, 255, .04));
    color: var(--accent);
    font-weight: 700;
    border-color: rgba(94, 125, 255, .4);
    box-shadow: 0 9px 24px rgba(78, 83, 210, .10);
  }
  .theme-minimal .nav-link:hover i,
  .theme-minimal .nav-link.active i {
    color: #fff;
    background: var(--grad);
    border-color: transparent;
    box-shadow: 0 6px 14px rgba(91, 84, 230, .25);
  }
  .theme-minimal .nav-link:hover::after,
  .theme-minimal .nav-link.active::after { color: var(--accent); }
  .theme-minimal .nav-link.active::before { display: none; }
  .theme-minimal .nav-menu-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 0;
    padding: 34px 20px calc(20px + env(safe-area-inset-bottom, 0px));
    border-top: 0;
    background: transparent;
    flex-shrink: 0;
    position: relative;
  }
  .theme-minimal .nav-menu-footer::before {
    content: "✦";
    position: absolute;
    top: 8px;
    left: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--tint-2);
    font-size: 15px;
    text-align: center;
    background: linear-gradient(var(--line), var(--line)) left center / calc(50% - 18px) 1px no-repeat,
                linear-gradient(var(--line), var(--line)) right center / calc(50% - 18px) 1px no-repeat;
    justify-content: center;
  }
  .theme-minimal .nav-menu-footer .btn {
    width: 100%;
    justify-content: center;
    min-height: 52px;
    padding: 12px 14px;
    border-radius: 13px;
    font-size: 14px;
    white-space: nowrap;
  }
  .theme-minimal .nav-menu-footer .btn-ghost {
    border: 1px solid var(--line);
    color: var(--ink-2);
    background: #fff;
  }
  .theme-minimal .nav-menu-footer .btn::before {
    content: "›";
    order: 3;
    margin-left: 8px;
    font-size: 24px;
    font-weight: 300;
    line-height: 1;
    opacity: .65;
  }
  .theme-minimal .nav-menu-footer .btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--tint);
  }
  .theme-minimal .nav-actions .btn-ghost { display: none; }
}

/* ---------- 滚动入场（悬浮上滑，统一缓动） ---------- */
.theme-minimal .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s cubic-bezier(.22, .61, .36, 1),
              transform .8s cubic-bezier(.22, .61, .36, 1);
  will-change: transform, opacity;
}
.theme-minimal .reveal.visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}
/* 卡片错落延迟 */
.theme-minimal .value-grid > .reveal:nth-child(2),
.theme-minimal .feature-grid > .reveal:nth-child(2),
.theme-minimal .team-grid > .reveal:nth-child(2),
.theme-minimal .case-grid > .reveal:nth-child(2),
.theme-minimal .testi-grid > .reveal:nth-child(2) { transition-delay: .08s; }
.theme-minimal .value-grid > .reveal:nth-child(3),
.theme-minimal .feature-grid > .reveal:nth-child(3),
.theme-minimal .team-grid > .reveal:nth-child(3),
.theme-minimal .case-grid > .reveal:nth-child(3),
.theme-minimal .testi-grid > .reveal:nth-child(3) { transition-delay: .16s; }
.theme-minimal .feature-grid > .reveal:nth-child(4),
.theme-minimal .team-grid > .reveal:nth-child(4),
.theme-minimal .case-grid > .reveal:nth-child(4) { transition-delay: .24s; }
.theme-minimal .feature-grid > .reveal:nth-child(5),
.theme-minimal .team-grid > .reveal:nth-child(5) { transition-delay: .32s; }
.theme-minimal .feature-grid > .reveal:nth-child(6),
.theme-minimal .team-grid > .reveal:nth-child(6) { transition-delay: .4s; }

/* ---------- 交互元素统一缓动（修复多处瞬变） ---------- */
.theme-minimal .feature-icon,
.theme-minimal .step-icon,
.theme-minimal .case-arrow,
.theme-minimal .team-social a,
.theme-minimal .footer-social a,
.theme-minimal .faq-item,
.theme-minimal .back-top {
  transition: background .3s cubic-bezier(.4, 0, .2, 1),
              color .3s ease,
              border-color .3s ease,
              box-shadow .3s cubic-bezier(.22, .61, .36, 1),
              transform .3s cubic-bezier(.22, .61, .36, 1);
}
.theme-minimal .feature-card:hover .feature-icon,
.theme-minimal .step-item:hover .step-icon,
.theme-minimal .case-card:hover .case-arrow,
.theme-minimal .team-social a:hover,
.theme-minimal .footer-social a:hover {
  transform: translateY(-2px);
}
.theme-minimal .team-social a,
.theme-minimal .footer-social a { will-change: transform; }

/* ---------- 3D 轨道渲染优化（GPU 合成层） ---------- */
.theme-minimal .orbit-item,
.theme-minimal .orbit-core,
.theme-minimal .orbit-halo,
.theme-minimal .orbit-ping {
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.theme-minimal .orbit-item { will-change: transform, opacity, filter; }

@media (prefers-reduced-motion: reduce) {
  .theme-minimal .reveal { transition: none; will-change: auto; }
  .theme-minimal .nav-indicator { display: none; }
  .theme-minimal * { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}