/* ============================================================
   DESIGN TOKENS — LIGHT MODE · OKLCH COLOR SYSTEM
============================================================ */
:root {
  /* Brand Primary — 活力橙（品牌主色） */
  --brand-50:   oklch(97% 0.025 32);
  --brand-100:  oklch(93% 0.05  32);
  --brand-200:  oklch(87% 0.10  32);
  --brand-300:  oklch(79% 0.15  32);
  --brand-400:  oklch(70% 0.19  32);
  --brand-500:  oklch(62% 0.21 32);
  --brand-600:  oklch(52% 0.20  32);
  --brand-700:  oklch(42% 0.17  32);

  /* Accent — 科技蓝（信任、科技） */
  --blue-50:    oklch(97% 0.018 240);
  --blue-100:   oklch(93% 0.040 240);
  --blue-200:   oklch(85% 0.080 240);
  --blue-300:   oklch(72% 0.130 240);
  --blue-400:   oklch(60% 0.175 240);
  --blue-500:   oklch(50% 0.195 240);
  --blue-600:   oklch(40% 0.170 240);

  /* Tinted Neutrals — 微暖白（不死板） */
  --gray-50:    oklch(99%  0.004 60);
  --gray-100:   oklch(96%  0.007 60);
  --gray-150:   oklch(93%  0.009 60);
  --gray-200:   oklch(90%  0.010 60);
  --gray-300:   oklch(80%  0.012 60);
  --gray-400:   oklch(68%  0.012 60);
  --gray-500:   oklch(55%  0.010 60);
  --gray-600:   oklch(43%  0.010 60);
  --gray-700:   oklch(32%  0.012 60);
  --gray-800:   oklch(22%  0.014 60);
  --gray-900:   oklch(15%  0.015 60);

  /* Semantic */
  --green-400:  oklch(68% 0.17 148);
  --green-500:  oklch(58% 0.19 148);
  --red-500:    oklch(60% 0.22 25);
  --amber-400:  oklch(74% 0.18 80);
  --purple-400: oklch(65% 0.18 300);
  --purple-500: oklch(55% 0.20 300);

  /* Semantic Surfaces */
  --surface-page:    var(--gray-50);
  --surface-card:    #ffffff;
  --surface-subtle:  var(--gray-100);
  --surface-muted:   var(--gray-150);

  /* Text */
  --text-primary:   var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted:     var(--gray-400);
  --text-inverse:   #ffffff;

  /* Border */
  --border-light:   var(--gray-200);
  --border-default: var(--gray-300);
  --border-brand:   oklch(62% 0.21 32 / 0.3);

  /* Shadow */
  --shadow-xs:  0 1px 2px oklch(15% 0.015 60 / 0.06);
  --shadow-sm:  0 2px 8px oklch(15% 0.015 60 / 0.08);
  --shadow-md:  0 4px 20px oklch(15% 0.015 60 / 0.10);
  --shadow-lg:  0 12px 40px oklch(15% 0.015 60 / 0.12);
  --shadow-xl:  0 24px 64px oklch(15% 0.015 60 / 0.14);

  /* Brand glow */
  --glow-brand: oklch(62% 0.21 32 / 0.20);
  --glow-blue:  oklch(50% 0.195 240 / 0.18);

  /* Typography */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body:    'Noto Sans SC', system-ui, sans-serif;

  /* Fluid type */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  clamp(1.5rem,  3vw + 0.5rem, 2.25rem);
  --text-4xl:  clamp(2rem,    5vw + 0.5rem, 3.5rem);
  --text-5xl:  clamp(2.5rem,  6vw + 1rem,   4.5rem);
  --text-hero: clamp(2.8rem,  7vw + 0.5rem,  5.5rem);

  /* Spacing */
  --sp-1:  0.25rem;   --sp-2:  0.5rem;
  --sp-3:  0.75rem;   --sp-4:  1rem;
  --sp-5:  1.25rem;   --sp-6:  1.5rem;
  --sp-8:  2rem;      --sp-10: 2.5rem;
  --sp-12: 3rem;      --sp-16: 4rem;
  --sp-20: 5rem;      --sp-24: 6rem;

  /* Motion */
  --ease-expo:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 150ms;
  --dur-mid:  280ms;
  --dur-slow: 550ms;

  /* Radius */
  --r-sm: 0.375rem;   --r-md: 0.625rem;
  --r-lg: 1rem;       --r-xl: 1.5rem;
  --r-2xl:2rem;       --r-full: 9999px;
}

/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  background-color: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

/* ============================================================
   LAYOUT
============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(var(--sp-4), 5vw, var(--sp-16));
}
.section {
  padding-block: clamp(var(--sp-16), 9vw, var(--sp-24));
  position: relative;
}
.section-alt {
  background: linear-gradient(180deg, var(--gray-100) 0%, var(--gray-50) 100%);
}

/* ============================================================
   DECORATIVE DOT GRID
============================================================ */
.dot-grid {
  background-image: radial-gradient(circle, var(--gray-300) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* ============================================================
   NAVIGATION
============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding-block: var(--sp-4);
  transition: all var(--dur-mid) var(--ease-expo);
}
.nav.scrolled {
  background: oklch(99% 0.004 60 / 0.92);
  backdrop-filter: blur(24px) saturate(180%);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-light);
  padding-block: var(--sp-3);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-display);
}
.nav__logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-400));
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 12px var(--glow-brand);
  flex-shrink: 0;
}
.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.nav__logo-en {
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.nav__logo-cn {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur-fast);
  position: relative;
  padding-block: var(--sp-1);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--brand-500);
  border-radius: var(--r-full);
  transition: width var(--dur-mid) var(--ease-expo);
}
.nav__link:hover { color: var(--brand-600); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--brand-600); }
.nav__link.active::after { width: 100%; }

/* Nav dropdown */
.nav__dropdown {
  position: relative;
}
.nav__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur-fast);
  cursor: pointer;
  padding-block: var(--sp-1);
}
.nav__dropdown-trigger:hover { color: var(--brand-600); }
.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-2);
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--dur-mid) var(--ease-expo);
  z-index: 100;
}
.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav__dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--r-md);
  transition: background var(--dur-fast);
}
.nav__dropdown-item:hover { background: var(--gray-100); }
.nav__dropdown-icon {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.nav__dropdown-icon.orange { background: var(--brand-50); }
.nav__dropdown-icon.blue { background: var(--blue-50); }
.nav__dropdown-icon.green { background: oklch(68% 0.17 148 / 0.10); }
.nav__dropdown-name { font-size: var(--text-sm); font-weight: 700; color: var(--text-primary); }
.nav__dropdown-desc { font-size: var(--text-xs); color: var(--text-muted); margin-top: 2px; }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px var(--sp-5);
  background: var(--brand-500);
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--r-full);
  transition: all var(--dur-fast) var(--ease-expo);
  box-shadow: 0 2px 12px var(--glow-brand);
}
.nav__cta:hover {
  background: var(--brand-600);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--glow-brand);
}
.nav__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
}
.nav__menu-btn span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text-primary);
  transition: all var(--dur-mid);
}

/* ============================================================
   HERO — 首页
============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 90px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    155deg,
    oklch(99% 0.008 32)  0%,
    oklch(98% 0.012 240) 40%,
    oklch(97% 0.010 32)  100%
  );
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
}
.blob-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, oklch(93% 0.05 32 / 0.6) 0%, transparent 70%);
  top: -200px; right: -150px;
}
.blob-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, oklch(92% 0.04 240 / 0.5) 0%, transparent 70%);
  bottom: -150px; left: -100px;
}
.blob-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, oklch(95% 0.035 80 / 0.45) 0%, transparent 70%);
  top: 30%; left: 25%;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--sp-12), 8vw, var(--sp-20));
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  background: var(--brand-50);
  border: 1.5px solid var(--brand-200);
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-5);
}
.eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--brand-500);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}
.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--sp-5);
}
.headline-accent {
  position: relative;
  display: inline-block;
  color: var(--brand-500);
}
.headline-accent::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 0; right: 0;
  height: 6px;
  background: var(--brand-200);
  border-radius: var(--r-full);
  z-index: -1;
}
.headline-blue { color: var(--blue-500); }
.hero__desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 46ch;
  margin-bottom: var(--sp-8);
}
.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-10);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 14px var(--sp-6);
  background: var(--brand-500);
  color: white;
  font-weight: 700;
  font-size: var(--text-base);
  border-radius: var(--r-full);
  transition: all var(--dur-mid) var(--ease-expo);
  box-shadow: 0 4px 16px var(--glow-brand);
}
.btn-primary:hover {
  background: var(--brand-600);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--glow-brand);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 13px var(--sp-6);
  background: white;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: var(--text-base);
  border-radius: var(--r-full);
  border: 1.5px solid var(--border-default);
  transition: all var(--dur-mid) var(--ease-expo);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  border-color: var(--brand-400);
  color: var(--brand-600);
  box-shadow: var(--shadow-sm);
}
.btn-lg {
  padding: 16px var(--sp-8) !important;
  font-size: var(--text-base) !important;
}
.hero__stats {
  display: flex;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.stat-item {}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
}
.stat-value em {
  font-style: normal;
  color: var(--brand-500);
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

/* ============================================================
   HERO VISUAL — Phone + Dashboard
============================================================ */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.visual-glow {
  position: absolute;
  width: 320px; height: 480px;
  background: linear-gradient(135deg, var(--brand-200), var(--blue-200));
  border-radius: 40px;
  filter: blur(40px);
  opacity: 0.4;
  z-index: 0;
}
.phone-wrap {
  position: relative;
  z-index: 2;
}
.phone-frame {
  width: 230px; height: 460px;
  background: white;
  border-radius: 36px;
  border: 2px solid var(--gray-200);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 0 8px var(--gray-100);
  position: relative;
}
.phone-notch {
  position: absolute;
  top: 10px; left: 50%;
  transform: translateX(-50%);
  width: 76px; height: 22px;
  background: var(--gray-900);
  border-radius: var(--r-full);
  z-index: 10;
}
.phone-screen {
  width: 100%; height: 100%;
  background: var(--gray-50);
  padding: 44px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}
.app-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.app-icon {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-400));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.app-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary);
}
.app-search {
  width: 24px; height: 24px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.app-banner {
  height: 88px;
  background: linear-gradient(135deg, var(--brand-500) 0%, var(--brand-400) 60%, oklch(72% 0.18 55) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  position: relative;
  overflow: hidden;
}
.app-banner::before {
  content: '';
  position: absolute;
  top: -20px; right: -10px;
  width: 80px; height: 80px;
  background: white;
  border-radius: 50%;
  opacity: 0.08;
}
.banner-text { color: white; }
.banner-title { font-size: 12px; font-weight: 700; line-height: 1.3; }
.banner-sub { font-size: 9px; opacity: 0.85; margin-top: 2px; }
.banner-tag {
  background: white;
  color: var(--brand-600);
  font-size: 9px;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: var(--r-full);
  flex-shrink: 0;
}
.app-cats {
  display: flex;
  gap: 6px;
}
.cat-chip {
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 9px;
  font-weight: 600;
}
.cat-chip.active {
  background: var(--brand-500);
  color: white;
}
.cat-chip.inactive {
  background: white;
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}
.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  flex: 1;
}
.app-card {
  background: white;
  border-radius: 10px;
  padding: 8px;
  box-shadow: var(--shadow-xs);
}
.app-card-img {
  height: 48px;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-150));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 5px;
}
.app-card-name {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-primary);
}
.app-card-price {
  font-size: 10px;
  font-weight: 700;
  color: var(--brand-500);
  margin-top: 2px;
}
.app-tabs {
  display: flex;
  justify-content: space-around;
  padding: 4px 0 2px;
  border-top: 1px solid var(--border-light);
}
.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.tab-icon { font-size: 14px; }
.tab-label { font-size: 8px; font-weight: 600; }
.tab-item.active .tab-label { color: var(--brand-500); }
.tab-item:not(.active) .tab-label { color: var(--text-muted); }

/* Floating stats cards */
.fc {
  position: absolute;
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
}
.fc-1 {
  top: 50px; left: -90px;
  animation: float 6s ease-in-out infinite;
}
.fc-2 {
  bottom: 80px; right: -80px;
  animation: float 8s ease-in-out infinite;
  animation-delay: -3s;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.fc-label { font-size: 9px; color: var(--text-muted); margin-bottom: 2px; }
.fc-value { font-family: var(--font-display); font-size: 18px; font-weight: 800; color: var(--text-primary); line-height: 1; }
.fc-trend { font-size: 9px; font-weight: 700; color: var(--green-500); margin-top: 3px; }
.fc-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: oklch(68% 0.17 148 / 0.12);
  border-radius: var(--r-full);
  font-size: 9px;
  font-weight: 700;
  color: var(--green-500);
  margin-bottom: 4px;
}

/* ============================================================
   MARQUEE / TRUST BAR
============================================================ */
.trust-bar {
  border-block: 1px solid var(--border-light);
  padding-block: var(--sp-3);
  overflow: hidden;
  position: relative;
  background: white;
}
.trust-bar::before,
.trust-bar::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 100px;
  z-index: 2;
}
.trust-bar::before {
  left: 0;
  background: linear-gradient(90deg, white, transparent);
}
.trust-bar::after {
  right: 0;
  background: linear-gradient(-90deg, white, transparent);
}
.marquee-track {
  display: flex;
  gap: var(--sp-10);
  animation: marquee 28s linear infinite;
  width: max-content;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.marquee-icon { font-size: 16px; }

/* ============================================================
   SECTION HEADER
============================================================ */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(var(--sp-10), 5vw, var(--sp-16));
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
  padding: var(--sp-1) var(--sp-3);
  background: var(--brand-50);
  border: 1.5px solid var(--brand-200);
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
}
.section-desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   PRODUCTS SECTION
============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.product-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  position: relative;
  overflow: hidden;
  transition: all var(--dur-mid) var(--ease-expo);
  cursor: pointer;
}
.product-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-400), var(--brand-300));
  opacity: 0;
  transition: opacity var(--dur-mid);
}
.product-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.product-card:hover::after { opacity: 1; }
.card-stripe {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}
.stripe-orange { background: linear-gradient(90deg, var(--brand-400), var(--brand-300)); }
.stripe-blue   { background: linear-gradient(90deg, var(--blue-500),  var(--blue-300));  }
.stripe-green  { background: linear-gradient(90deg, var(--green-500), oklch(68% 0.17 148)); }
.product-icon-wrap {
  width: 64px; height: 64px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: var(--sp-5);
  margin-top: var(--sp-2);
}
.icon-orange { background: var(--brand-50);  box-shadow: 0 4px 16px var(--glow-brand); }
.icon-blue   { background: var(--blue-50);   box-shadow: 0 4px 16px var(--glow-blue);  }
.icon-green  { background: oklch(68% 0.17 148 / 0.10); box-shadow: 0 4px 16px oklch(68% 0.17 148 / 0.15); }
.product-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--brand-500);
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-3);
  letter-spacing: 0.03em;
}
.product-badge.blue { background: var(--blue-500); }
.product-badge.green { background: var(--green-500); }
.product-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}
.product-sub {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
  font-weight: 500;
}
.product-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--sp-5);
}
.product-desc strong { color: var(--text-primary); }
.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}
.tag {
  padding: 4px var(--sp-3);
  background: var(--gray-100);
  border: 1px solid var(--border-light);
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}
.product-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--brand-500);
  transition: gap var(--dur-fast);
}
.product-cta.blue { color: var(--blue-500); }
.product-cta.green { color: var(--green-500); }
.product-cta:hover { gap: var(--sp-2); }
.card-num {
  position: absolute;
  bottom: var(--sp-4);
  right: var(--sp-5);
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 900;
  color: var(--gray-100);
  line-height: 1;
  letter-spacing: -0.05em;
  user-select: none;
  transition: color var(--dur-mid);
}
.product-card:hover .card-num { color: var(--brand-50); }

/* ============================================================
   FEATURES SECTION
============================================================ */
.features-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--sp-10), 6vw, var(--sp-20));
  align-items: center;
}
.features-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.feature-item {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-lg);
  transition: all var(--dur-mid) var(--ease-expo);
}
.feature-item:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-sm);
}
.feature-icon-box {
  width: 46px; height: 46px;
  border-radius: var(--r-md);
  background: var(--brand-50);
  border: 1.5px solid var(--brand-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  transition: background var(--dur-fast);
}
.feature-item:hover .feature-icon-box {
  background: var(--brand-100);
}
.feature-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.feature-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Dashboard mockup */
.dash-wrap {
  background: white;
  border: 1.5px solid var(--border-default);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.dash-bar {
  background: var(--gray-50);
  border-bottom: 1px solid var(--border-light);
  padding: 12px var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.dash-dots { display: flex; gap: 6px; }
.dd { width: 10px; height: 10px; border-radius: 50%; }
.dd-r { background: var(--red-500); }
.dd-y { background: var(--amber-400); }
.dd-g { background: var(--green-500); }
.dash-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
  margin-left: var(--sp-1);
}
.dash-body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.dash-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}
.dash-kpi {
  background: var(--gray-50);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: var(--sp-3);
}
.kpi-label { font-size: 9px; color: var(--text-muted); margin-bottom: 2px; }
.kpi-val {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.kpi-chg { font-size: 9px; color: var(--green-500); font-weight: 700; margin-top: 3px; }
.dash-chart-area {
  background: var(--gray-50);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: var(--sp-3);
}
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-2);
}
.chart-title { font-size: 10px; font-weight: 700; color: var(--text-secondary); }
.chart-range {
  font-size: 9px;
  color: var(--brand-500);
  background: var(--brand-50);
  padding: 2px 8px;
  border-radius: var(--r-full);
  border: 1px solid var(--brand-200);
  font-weight: 600;
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 60px;
}
.cbar {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--brand-400), var(--brand-200));
  transition: opacity var(--dur-fast);
}
.cbar.highlight {
  background: linear-gradient(180deg, var(--brand-500), var(--brand-400));
}
.cbar:hover { opacity: 0.8; }
.dash-orders { display: flex; flex-direction: column; gap: var(--sp-2); }
.order-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 8px var(--sp-3);
  background: var(--gray-50);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
}
.order-dot {
  width: 30px; height: 30px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.dot-orange { background: var(--brand-50); }
.dot-blue   { background: var(--blue-50); }
.dot-green  { background: oklch(68% 0.17 148 / 0.10); }
.order-info { flex: 1; min-width: 0; }
.order-name { font-size: 11px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.order-meta { font-size: 9px; color: var(--text-muted); }
.order-price { font-family: var(--font-display); font-size: 12px; font-weight: 800; color: var(--brand-500); flex-shrink: 0; }

/* ============================================================
   PROCESS SECTION
============================================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(12.5% + 22px);
  right: calc(12.5% + 22px);
  height: 1.5px;
  background: linear-gradient(90deg, transparent, var(--border-default) 15%, var(--border-default) 85%, transparent);
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-4);
}
.step-circle {
  width: 88px; height: 88px;
  background: white;
  border: 2px solid var(--border-default);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  position: relative;
  z-index: 1;
  transition: all var(--dur-mid) var(--ease-expo);
  box-shadow: var(--shadow-sm);
}
.process-step:hover .step-circle {
  background: var(--brand-500);
  border-color: var(--brand-400);
  box-shadow: 0 8px 24px var(--glow-brand);
  transform: scale(1.08);
}
.step-num-badge {
  position: absolute;
  top: -4px; right: -4px;
  width: 22px; height: 22px;
  background: var(--brand-500);
  color: white;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
  font-family: var(--font-display);
}
.step-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}
.step-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   TESTIMONIALS
============================================================ */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.testi-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  transition: all var(--dur-mid) var(--ease-expo);
  position: relative;
}
.testi-card:hover {
  border-color: var(--brand-200);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.testi-stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--sp-4);
}
.testi-quote {
  font-family: Georgia, serif;
  font-size: 3rem;
  line-height: 0.7;
  color: var(--brand-300);
  margin-bottom: var(--sp-3);
}
.testi-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--sp-5);
}
.testi-author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.author-av {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-400), var(--brand-300));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}
.author-name { font-weight: 700; font-size: var(--text-sm); color: var(--text-primary); }
.author-role { font-size: var(--text-xs); color: var(--text-muted); margin-top: 1px; }

/* ============================================================
   CTA SECTION
============================================================ */
.cta-block {
  background: linear-gradient(135deg,
    oklch(97% 0.025 32)  0%,
    oklch(97% 0.018 240) 50%,
    oklch(97% 0.020 32)  100%
  );
  border: 2px solid var(--brand-200);
  border-radius: var(--r-2xl);
  margin-inline: clamp(var(--sp-4), 5vw, var(--sp-16));
  margin-block: var(--sp-20);
  padding: clamp(var(--sp-12), 6vw, var(--sp-20));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--brand-100) 0%, transparent 70%);
  pointer-events: none;
}
.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
  position: relative;
}
.cta-desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
  line-height: 1.7;
  position: relative;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  position: relative;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding-block: var(--sp-16) var(--sp-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-10);
}
.footer-logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-400));
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 12px var(--glow-brand);
  margin-bottom: var(--sp-3);
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: white;
  letter-spacing: -0.01em;
}
.footer-brand-cn {
  font-size: var(--text-xs);
  color: var(--gray-500);
  margin-top: 2px;
}
.footer-desc {
  font-size: var(--text-sm);
  color: var(--gray-500);
  line-height: 1.7;
  margin-top: var(--sp-4);
  margin-bottom: var(--sp-5);
  max-width: 30ch;
}
.footer-socials { display: flex; gap: var(--sp-2); }
.fsocial {
  width: 34px; height: 34px;
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all var(--dur-fast);
}
.fsocial:hover { background: var(--brand-500); border-color: var(--brand-500); }
.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: white;
  margin-bottom: var(--sp-4);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.flink {
  font-size: var(--text-sm);
  color: var(--gray-500);
  transition: color var(--dur-fast);
}
.flink:hover { color: white; }
/* ---- Footer QR Code (inside contact column) ---- */
.footer-qr {
  margin-top: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  /* background: rgb(255 255 255 / 0.06); */
  /* border-radius: var(--radius-lg); */
  /* border: 1px solid var(--gray-800); */
}
.footer-qr img {
  border-radius: var(--radius-md);
  display: block;
  flex-shrink: 0;
}
.footer-qr-label {
  font-size: var(--text-xs);
  color: var(--gray-500);
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer-copy { font-size: var(--text-xs); color: var(--gray-600); }
.footer-icp  { font-size: var(--text-xs); color: var(--gray-600); }

/* ============================================================
   SCROLL REVEAL
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease-expo),
              transform var(--dur-slow) var(--ease-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   SUB-PAGE HERO (产品详情页 / 关于我们等)
============================================================ */
.page-hero {
  padding-top: 130px;
  padding-bottom: var(--sp-16);
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    155deg,
    oklch(99% 0.008 32)  0%,
    oklch(98% 0.012 240) 40%,
    oklch(97% 0.010 32)  100%
  );
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.page-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--sp-5);
}
.breadcrumb a { color: var(--text-muted); transition: color var(--dur-fast); }
.breadcrumb a:hover { color: var(--brand-500); }
.breadcrumb-sep { color: var(--gray-300); }
.breadcrumb-current { color: var(--text-secondary); font-weight: 500; }
.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  background: var(--brand-50);
  border: 1.5px solid var(--brand-200);
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}
.page-hero__eyebrow.blue {
  background: var(--blue-50);
  border-color: var(--blue-200);
  color: var(--blue-600);
}
.page-hero__eyebrow.green {
  background: oklch(68% 0.17 148 / 0.08);
  border-color: oklch(68% 0.17 148 / 0.25);
  color: var(--green-500);
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--sp-5);
}
.page-hero__desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 56ch;
  margin-bottom: var(--sp-8);
}
.page-hero__actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* ============================================================
   PRODUCT DETAIL — Feature Grid
============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.feature-grid-item {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  transition: all var(--dur-mid) var(--ease-expo);
}
.feature-grid-item:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.feature-grid-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: var(--sp-4);
}
.feature-grid-icon.orange { background: var(--brand-50); }
.feature-grid-icon.blue { background: var(--blue-50); }
.feature-grid-icon.green { background: oklch(68% 0.17 148 / 0.10); }
.feature-grid-icon.purple { background: oklch(65% 0.18 300 / 0.08); }
.feature-grid-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}
.feature-grid-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   PRODUCT DETAIL — Comparison Table
============================================================ */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.compare-table th,
.compare-table td {
  padding: var(--sp-4) var(--sp-5);
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}
.compare-table th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  background: var(--gray-50);
}
.compare-table th.highlight {
  background: var(--brand-50);
  color: var(--brand-600);
}
.compare-table td:first-child {
  text-align: left;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
}
.compare-table td {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.compare-table td.highlight {
  background: var(--brand-50);
}
.compare-check { color: var(--green-500); font-size: 18px; }
.compare-cross { color: var(--gray-400); font-size: 18px; }

/* ============================================================
   PRODUCT DETAIL — Use Case Cards
============================================================ */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.usecase-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  display: flex;
  gap: var(--sp-4);
  transition: all var(--dur-mid) var(--ease-expo);
}
.usecase-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-sm);
}
.usecase-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: var(--brand-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.usecase-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}
.usecase-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   ABOUT — Timeline
============================================================ */
.timeline {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-300), var(--brand-100));
}
.timeline-item {
  display: flex;
  gap: var(--sp-6);
  padding-bottom: var(--sp-10);
  position: relative;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--brand-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--surface-page);
}
.timeline-content {
  padding-top: 4px;
}
.timeline-year {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--brand-500);
  margin-bottom: var(--sp-1);
}
.timeline-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}
.timeline-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   ABOUT — Values Grid
============================================================ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.value-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  text-align: center;
  transition: all var(--dur-mid) var(--ease-expo);
}
.value-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.value-icon {
  width: 60px; height: 60px;
  border-radius: var(--r-lg);
  background: var(--brand-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin: 0 auto var(--sp-4);
}
.value-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}
.value-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   ABOUT — Team Grid
============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}
.team-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  text-align: center;
  transition: all var(--dur-mid) var(--ease-expo);
}
.team-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  margin: 0 auto var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: white;
}
.team-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.team-role {
  font-size: var(--text-xs);
  color: var(--brand-500);
  font-weight: 600;
  margin-bottom: var(--sp-2);
}
.team-bio {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   CAREERS — Benefits Grid
============================================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.benefit-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  transition: all var(--dur-mid) var(--ease-expo);
}
.benefit-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-sm);
}
.benefit-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--brand-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: var(--sp-3);
}
.benefit-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}
.benefit-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   CAREERS — Job Cards
============================================================ */
.jobs-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.job-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  transition: all var(--dur-mid) var(--ease-expo);
}
.job-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.job-info { flex: 1; }
.job-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}
.job-tags {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.job-tag {
  padding: 3px var(--sp-3);
  background: var(--gray-100);
  border: 1px solid var(--border-light);
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}
.job-salary {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--brand-500);
  white-space: nowrap;
}

/* ============================================================
   NEWS — Grid
============================================================ */
.news-featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-5);
  margin-bottom: var(--sp-10);
}
.news-featured-card {
  display: block;
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: all var(--dur-mid) var(--ease-expo);
  text-decoration: none;
  color: inherit;
}
.news-featured-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-lg);
}
.news-featured-img {
  height: 240px;
  background: linear-gradient(135deg, var(--brand-400), var(--brand-300));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
}
.news-featured-body {
  padding: var(--sp-6);
}
.news-category {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: var(--sp-3);
}
.news-category.company { background: var(--brand-50); color: var(--brand-600); }
.news-category.product { background: var(--blue-50); color: var(--blue-600); }
.news-category.tech { background: oklch(68% 0.17 148 / 0.10); color: var(--green-500); }
.news-category.event { background: oklch(65% 0.18 300 / 0.08); color: var(--purple-500); }
.news-featured-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
  line-height: 1.3;
}
.news-featured-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.news-card {
  display: block;
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: all var(--dur-mid) var(--ease-expo);
  text-decoration: none;
  color: inherit;
}
.news-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.news-card-img {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}
.news-card-img.bg-blue { background: linear-gradient(135deg, var(--blue-200), var(--blue-100)); }
.news-card-img.bg-orange { background: linear-gradient(135deg, var(--brand-200), var(--brand-100)); }
.news-card-img.bg-green { background: linear-gradient(135deg, oklch(85% 0.10 148), oklch(92% 0.06 148)); }
.news-card-img.bg-purple { background: linear-gradient(135deg, oklch(85% 0.10 300), oklch(92% 0.06 300)); }
.news-card-body {
  padding: var(--sp-5);
}
.news-card-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   NEWS — Filter Tabs
============================================================ */
.news-filter {
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  margin-bottom: var(--sp-10);
  flex-wrap: wrap;
}
.news-filter-btn {
  padding: 8px var(--sp-5);
  border-radius: var(--r-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  background: white;
  border: 1.5px solid var(--border-light);
  transition: all var(--dur-fast);
}
.news-filter-btn:hover {
  border-color: var(--brand-300);
  color: var(--brand-600);
}
.news-filter-btn.active {
  background: var(--brand-500);
  color: white;
  border-color: var(--brand-500);
}

/* ============================================================
   PARTNERS — Grid
============================================================ */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.partner-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  text-align: center;
  transition: all var(--dur-mid) var(--ease-expo);
}
.partner-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.partner-logo {
  width: 64px; height: 64px;
  border-radius: var(--r-lg);
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto var(--sp-4);
}
.partner-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}
.partner-type {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ============================================================
   PARTNERS — Partnership Types
============================================================ */
.partner-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.partner-type-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  transition: all var(--dur-mid) var(--ease-expo);
}
.partner-type-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.partner-type-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: var(--sp-4);
}
.partner-type-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}
.partner-type-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}
.partner-type-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.partner-type-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.partner-type-list li::before {
  content: '✓';
  color: var(--green-500);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================
   STATS BANNER (通用数据条)
============================================================ */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--r-2xl);
  padding: var(--sp-8);
  box-shadow: var(--shadow-sm);
}
.stats-banner-item {
  text-align: center;
}
.stats-banner-value {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--brand-500);
  line-height: 1;
  margin-bottom: var(--sp-2);
}
.stats-banner-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ============================================================
   CONTENT BLOCKS (通用内容区)
============================================================ */
.content-block {
  max-width: 800px;
  margin-inline: auto;
}
.content-block h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
  margin-top: var(--sp-8);
}
.content-block h3:first-child { margin-top: 0; }
.content-block p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: var(--sp-4);
}
.content-block ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}
.content-block ul li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.75;
}
.content-block ul li::before {
  content: '•';
  color: var(--brand-500);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .features-layout { grid-template-columns: 1fr; }
  .features-visual { order: -1; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .process-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .usecase-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .news-featured { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .partner-grid { grid-template-columns: 1fr 1fr; }
  .partner-types { grid-template-columns: 1fr; }
  .stats-banner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__menu-btn { display: flex; }

  /* 移动端菜单打开状态 */
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: oklch(99% 0.004 60 / 0.98);
    backdrop-filter: blur(24px);
    padding: var(--sp-4);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    gap: var(--sp-2);
  }
  .nav__links.open .nav__dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    background: var(--gray-50);
    margin-top: var(--sp-2);
  }

  /* 汉堡菜单动画 — X 形 */
  .nav__menu-btn.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .nav__menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  .nav__menu-btn.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .products-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: var(--sp-6); }
  .feature-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr 1fr; }
  .stats-banner { grid-template-columns: 1fr; }
  .job-card { flex-direction: column; align-items: flex-start; }
  .compare-table { font-size: var(--text-xs); }
  .compare-table th, .compare-table td { padding: var(--sp-2) var(--sp-3); }
}