/* =========================================
   硕曜科技官网 — style.css
   Design System (Tech Sky-Blue):
     Primary:    #0F2940 (dark navy)
     Secondary:  #3A5A72
     CTA:        #2AABE2 (sky blue)
     Accent:     #1A7DB8 (ocean blue)
     Accent2:    #35C4F0 (light cyan)
     BG:         #F6FAFE (ice white)
     BG-alt:     #EDF5FB (cool light blue)
     Text:       #0F2940
   Fonts: Figtree (headings), Noto Sans SC (body)
   ========================================= */

/* =========================================
   GLOBAL DYNAMIC LINES
   ========================================= */
.global-lines {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.lines-svg {
  width: 100%;
  height: 100%;
}

/* 斜向流动长线 */
.dline {
  opacity: 0;
  animation: lineSlide 12s ease-in-out infinite;
}

.dline-1 {
  animation-delay: 0s;
  animation-duration: 14s;
}

.dline-2 {
  animation-delay: 2.5s;
  animation-duration: 16s;
}

.dline-3 {
  animation-delay: 5s;
  animation-duration: 13s;
}

.dline-4 {
  animation-delay: 7s;
  animation-duration: 17s;
}

.dline-5 {
  animation-delay: 1.5s;
  animation-duration: 15s;
}

.dline-6 {
  animation-delay: 4s;
  animation-duration: 18s;
}

@keyframes lineSlide {
  0% {
    opacity: 0;
    stroke-dashoffset: 2000;
    stroke-dasharray: 2000;
  }

  15% {
    opacity: 1;
  }

  60% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    stroke-dashoffset: -2000;
    stroke-dasharray: 2000;
  }
}

/* 流光短线 */
.spark {
  opacity: 0;
  animation: sparkMove 6s ease-in-out infinite;
}

.spark-1 {
  animation-delay: 0s;
  animation-duration: 7s;
}

.spark-2 {
  animation-delay: 2.2s;
  animation-duration: 8s;
}

.spark-3 {
  animation-delay: 4.5s;
  animation-duration: 6.5s;
}

@keyframes sparkMove {
  0% {
    opacity: 0;
    transform: translateX(-5%) translateY(0);
  }

  20% {
    opacity: 0.9;
  }

  80% {
    opacity: 0.7;
  }

  100% {
    opacity: 0;
    transform: translateX(115%) translateY(10%);
  }
}

/* 确保所有内容层级在线条之上 */
.navbar,
.hero,
.stats-bar,
.section,
.cta-section,
.footer {
  position: relative;
  z-index: 1;
}

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #F0E6FF;
  --color-secondary: #C4B5D9;
  --color-cta: #A855F7;
  --color-cta-hover: #9333EA;
  --color-accent: #7C3AED;
  --color-accent2: #C084FC;
  --color-accent3: #8B5CF6;
  --color-bg: #0D0A1A;
  --color-bg-alt: #150F26;
  --color-bg-card: rgba(255, 255, 255, .05);
  --color-text: #E8DEFF;
  --color-text-muted: #A192B8;
  --color-border: rgba(139, 92, 246, .15);
  --color-border-lt: rgba(139, 92, 246, .08);

  --font-heading: 'Figtree', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(10, 6, 20, .3), 0 1px 2px rgba(10, 6, 20, .2);
  --shadow-md: 0 4px 16px rgba(10, 6, 20, .4), 0 2px 6px rgba(10, 6, 20, .25);
  --shadow-lg: 0 12px 40px rgba(10, 6, 20, .5), 0 4px 12px rgba(10, 6, 20, .3);
  --shadow-blue: 0 8px 32px rgba(139, 92, 246, .25), 0 2px 8px rgba(168, 85, 247, .15);

  --nav-h: 68px;
  --trans: 200ms cubic-bezier(.4, 0, .2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: #0D0A1A;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E"),
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(139, 92, 246, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(124, 58, 237, 0.06) 0%, transparent 70%),
    linear-gradient(160deg, #0D0A1A 0%, #150F26 40%, #1A0E2E 70%, #120B22 100%);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

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

/* ---- Section Base ---- */
.section {
  padding: 24px 0;
  position: relative;
  overflow: hidden;
}

/* section::before 背景装饰已清空，留白重新设计 */

/* 各 section 专属背景插图 */
.section-bg-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
}

.section>.container {
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-cta);
  background: rgba(139, 92, 246, .10);
  border: 1px solid rgba(139, 92, 246, .20);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
  backdrop-filter: blur(8px);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 13px 26px;
  cursor: pointer;
  transition: all var(--trans);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent2) 100%);
  color: #fff;
  box-shadow: var(--shadow-blue);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .18), transparent);
  transform: skewX(-20deg);
  transition: left .6s ease;
}

.btn-primary:hover::after {
  left: 120%;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, var(--color-cta-hover) 0%, var(--color-accent) 100%);
  box-shadow: 0 10px 36px rgba(139, 92, 246, .4);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, .06);
  color: var(--color-primary);
  border-color: rgba(139, 92, 246, .25);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: rgba(139, 92, 246, .45);
  color: var(--color-cta);
  background: rgba(139, 92, 246, .08);
  box-shadow: var(--shadow-md);
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: var(--nav-h);
  transition: background var(--trans), box-shadow var(--trans);
}

.navbar.scrolled {
  background: rgba(13, 10, 26, .88);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 1px 0 rgba(139, 92, 246, .10), 0 4px 24px rgba(10, 6, 20, .4);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: .01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--trans), background var(--trans);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-cta);
  background: rgba(139, 92, 246, .10);
}

/* 滚动后 navbar 变浅色，链接恢复深色 */
.navbar.scrolled .nav-link {
  color: var(--color-secondary);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link:focus-visible {
  color: var(--color-cta);
  background: rgba(139, 92, 246, .10);
}

.nav-cta {
  background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent2) 100%);
  color: #fff !important;
  padding: 8px 20px;
  margin-left: 8px;
  box-shadow: 0 2px 10px rgba(139, 92, 246, .35);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: linear-gradient(135deg, var(--color-cta-hover) 0%, var(--color-accent) 100%) !important;
  color: #fff !important;
  box-shadow: 0 4px 18px rgba(139, 92, 246, .5);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--trans);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =========================================
   HERO
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  background-color: #0D0A1A;
  background-image:
    radial-gradient(circle at center, #0D0A1A 0%, rgba(13, 10, 26, 0) 70%),
    radial-gradient(circle at 10% 10%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 90% 90%, rgba(168, 85, 247, 0.10) 0%, transparent 50%),
    url('img/bg/hero-bg.svg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(139, 92, 246, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-glow-1,
.hero-glow-2 {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 1;
  z-index: 0;
}

.hero-glow-1 {
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 70%);
  top: -20%;
  left: -10%;
  animation: Glow1 25s ease-in-out infinite alternate;
}

.hero-glow-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.14), transparent 70%);
  bottom: -10%;
  right: -5%;
  animation: Glow2 30s ease-in-out infinite alternate-reverse;
}

@keyframes Glow1 {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(50px, 100px);
  }
}

@keyframes Glow2 {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(-80px, -60px);
  }
}

.hero-container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-content {
  /* max-width: 860px; */
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
  animation: heroReveal 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes heroReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent2);
  background: rgba(139, 92, 246, .10);
  border: 1px solid rgba(139, 92, 246, .25);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
  box-shadow: 0 4px 12px rgba(139, 92, 246, .12);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--color-primary);
  letter-spacing: -0.035em;
  margin-bottom: 28px;
  text-shadow: 0 2px 16px rgba(139, 92, 246, .15);
}

.hero-title-accent {
  background: linear-gradient(135deg, #A855F7 0%, #7C3AED 50%, #C084FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  /* display: block; */
  margin-top: 4px;
}

.hero-desc {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto 48px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 56px;
}

.hero-actions .btn {
  padding: 16px 36px;
  font-size: 16px;
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-secondary);
  font-weight: 500;
}

.hero-trust-item svg {
  color: #A855F7;
  background: rgba(168, 85, 247, .15);
  padding: 3px;
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(192, 132, 252, .35);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  animation: heroIn .9s .7s cubic-bezier(.4, 0, .2, 1) both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(139, 92, 246, .35), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 1;
    height: 40px;
  }

  50% {
    opacity: .4;
    height: 24px;
  }
}

.br-desktop {
  display: block;
}

/* =========================================
   STATS BAR
   ========================================= */
.stats-bar {
  background: linear-gradient(135deg, #150F26 0%, #1A0E2E 40%, #20143A 100%);
  border-top: 1px solid rgba(139, 92, 246, .10);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}

.stats-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 0 32px;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  background: linear-gradient(180deg, #fff 30%, rgba(192, 132, 252, .7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -.02em;
  filter: drop-shadow(0 0 20px rgba(139, 92, 246, .35));
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, .75);
  letter-spacing: .06em;
  font-weight: 500;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, .2);
  flex-shrink: 0;
}

/* =========================================
   SERVICES
   ========================================= */
.services {
  background: rgba(139, 92, 246, .03);
  backdrop-filter: blur(2px);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform var(--trans), box-shadow var(--trans);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(10, 6, 20, .30);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-card-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(1.5px) brightness(0.55);
  transition: transform 0.6s cubic-bezier(.2, .8, .2, 1), filter 0.6s ease;
}

.service-card:hover .service-card-img img {
  transform: scale(1.08);
  filter: blur(2px) brightness(0.45);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(13, 10, 26, 0.50);
  transition: background var(--trans);
}

.service-card:hover::before {
  background: rgba(13, 10, 26, 0.65);
}

.service-card-body {
  position: relative;
  z-index: 2;
  padding: 28px;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 56px rgba(139, 92, 246, .18), 0 4px 12px rgba(10, 6, 20, .08);
}

.service-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.service-icon-blue {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  color: #2563EB;
  border: 1px solid #BFDBFE;
}

.service-icon-teal {
  background: linear-gradient(135deg, #F0FDFA, #CCFBF1);
  color: #0D9488;
  border: 1px solid #99F6E4;
}

.service-icon-green {
  background: linear-gradient(135deg, #F0FDF4, #DCFCE7);
  color: #16A34A;
  border: 1px solid #BBF7D0;
}

.service-icon-purple {
  background: linear-gradient(135deg, #F5F3FF, #EDE9FE);
  color: #7C3AED;
  border: 1px solid #DDD6FE;
}

.service-icon-orange {
  background: linear-gradient(135deg, #FFF7ED, #FFEDD5);
  color: #EA580C;
  border: 1px solid #FED7AA;
}

.service-icon-rose {
  background: linear-gradient(135deg, #FFF1F2, #FFE4E6);
  color: #E11D48;
  border: 1px solid #FECDD3;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .3);
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .78);
  line-height: 1.7;
  margin-bottom: 14px;
}

.service-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .20);
  border-radius: 100px;
  padding: 3px 10px;
  display: inline-block;
  backdrop-filter: blur(4px);
}

/* =========================================
   MODELS
   ========================================= */
.models {
  background: rgba(139, 92, 246, .04);
  backdrop-filter: blur(2px);
  padding: 80px 0;
}

.models-track-wrap {
  overflow: hidden;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.model-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(139, 92, 246, .12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.model-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cta), var(--color-accent2));
  opacity: 0;
  transition: opacity var(--trans);
}

.model-card:hover::before {
  opacity: 1;
}

.model-card:hover {
  transform: translateY(-6px) scale(1.02);
  background: rgba(139, 92, 246, .10);
  box-shadow: 0 16px 40px rgba(139, 92, 246, .15), 0 0 0 1px rgba(139, 92, 246, .12);
  border-color: rgba(139, 92, 246, .35);
}

.model-logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.model-logo-ds {
  background: #f0f6ff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, .15);
}

.model-logo-glm {
  background: #f0faff;
  box-shadow: 0 4px 12px rgba(6, 182, 212, .15);
}

.model-logo-qwen {
  background: #faf5ff;
  box-shadow: 0 4px 12px rgba(124, 58, 237, .15);
}

.model-logo-minimax {
  background: #f0fdf4;
  box-shadow: 0 4px 12px rgba(16, 185, 129, .15);
}

.model-logo-kimi {
  background: #f5f5f5;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .10);
}

.model-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 6px;
}

.model-name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.model-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.model-tags span {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent2);
  background: rgba(139, 92, 246, .10);
  border: 1px solid rgba(139, 92, 246, .18);
  border-radius: 100px;
  padding: 2px 8px;
}

/* =========================================
   INDUSTRY
   ========================================= */
.industry {
  background: rgba(139, 92, 246, .03);
  backdrop-filter: blur(2px);
  position: relative;
  overflow: hidden;
}

.industry-bg-glow {
  display: none;
}

.industry-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.industry-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  min-height: 520px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform .4s cubic-bezier(.16, 1, .3, 1), box-shadow .4s cubic-bezier(.16, 1, .3, 1);
}

.industry-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.industry-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.16, 1, .3, 1), filter .6s ease;
  filter: brightness(0.55) blur(1px);
}

.industry-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(13, 10, 26, .78) 0%, rgba(13, 10, 26, .50) 50%, rgba(26, 14, 46, .72) 100%);
  transition: background .4s ease;
}

.industry-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 56px rgba(10, 6, 20, .15);
}

.industry-card:hover .industry-card-bg img {
  transform: scale(1.06);
  filter: brightness(0.45) blur(2px);
}

.industry-card:hover::before {
  background: linear-gradient(180deg, rgba(13, 10, 26, .85) 0%, rgba(13, 10, 26, .58) 50%, rgba(26, 14, 46, .80) 100%);
}

.industry-card-body {
  position: relative;
  z-index: 2;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.industry-card .feature-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  width: fit-content;
}

.health-card .feature-badge {
  color: #93C5FD;
  background: rgba(37, 99, 235, .18);
  border: 1px solid rgba(37, 99, 235, .25);
}

.edu-card .feature-badge {
  color: #6EE7B7;
  background: rgba(16, 185, 129, .18);
  border: 1px solid rgba(16, 185, 129, .25);
}

.industry-card-title {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .3);
}

.industry-card-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  line-height: 1.65;
  margin-bottom: 20px;
}

.industry-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.industry-card-list li {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .82);
  font-weight: 500;
  padding-left: 16px;
  position: relative;
}

.industry-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.health-card .industry-card-list li::before {
  background: #93C5FD;
}

.edu-card .industry-card-list li::before {
  background: #6EE7B7;
}

.industry-card-cases {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  margin-top: auto;
}

.industry-case-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, .85);
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .15);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 100px;
  transition: background var(--trans);
}

.industry-case-tag:hover {
  background: rgba(255, 255, 255, .18);
}

.industry-case-tag svg {
  opacity: .7;
}

.industry-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: rgba(255, 255, 255, .8);
  transition: color var(--trans);
}

.industry-card-link:hover {
  color: #fff;
}

.industry-card-link svg {
  transition: transform var(--trans);
}

.industry-card-link:hover svg {
  transform: translateX(4px);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-cta);
  transition: all var(--trans);
}

.btn-link svg {
  transition: transform var(--trans);
}

.btn-link:hover {
  color: var(--color-cta-hover);
}

.btn-link:hover svg {
  transform: translateX(4px);
}

.feature-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.tech-svg {
  width: 100%;
  height: auto;
  /* max-width: 440px; */
  overflow: visible;
}

.visual-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
  z-index: -1;
  opacity: 1;
}

.health-card .visual-bg-glow {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
}

.edu-card .visual-bg-glow {
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
}

/* =========================================
   CASES — 行业案例
   ========================================= */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(15, 41, 64, .08);
  border-color: rgba(139, 92, 246, .2);
}

.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.case-badge-health {
  color: #2563EB;
  background: rgba(37, 99, 235, .08);
}

.case-badge-edu {
  color: #10B981;
  background: rgba(16, 185, 129, .08);
}

.case-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  line-height: 1.35;
}

.case-pain,
.case-solution {
  margin-bottom: 16px;
}

.case-pain-label,
.case-solution-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.case-pain-label {
  color: #DC2626;
  background: rgba(220, 38, 38, .08);
}

.case-solution-label {
  color: var(--color-cta);
  background: rgba(139, 92, 246, .08);
}

.case-pain p,
.case-solution li {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.case-solution ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.case-solution li::before {
  content: '✓';
  display: inline-block;
  margin-right: 6px;
  color: var(--color-cta);
  font-weight: 700;
  font-size: 12px;
}

.case-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.case-value-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.case-value-tag {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(139, 92, 246, .06);
  color: var(--color-cta);
  margin-top: 1px;
}

/* 轨道旋转动效 */
.orbit-1 {
  animation: rotateOrbit 20s linear infinite;
  transform-origin: 250px 200px;
}

.orbit-2 {
  animation: rotateOrbit 15s linear infinite reverse;
  transform-origin: 250px 200px;
}

/* 核心脉动 */
.core-pulse {
  animation: corePulse 4s ease-in-out infinite;
  transform-origin: 250px 200px;
}

/* 漂浮装饰块动效 */
.float-1 {
  animation: floatBox 6s ease-in-out infinite;
}

.float-2 {
  animation: floatBox 5s ease-in-out infinite 1s;
}

.float-3 {
  animation: floatBox 7s ease-in-out infinite 0.5s;
}

@keyframes floatBox {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-15px) rotate(5deg);
  }
}

/* 教育叠层动效 */
.layers rect {
  transition: all 0.5s ease;
}

.layer-1 {
  animation: floatLayer 6s ease-in-out infinite;
}

.layer-2 {
  animation: floatLayer 6s ease-in-out infinite 1.5s;
}

.layer-3 {
  animation: floatLayer 6s ease-in-out infinite 3s;
}

/* 数据柱状阵列动效 */
.pillar-1 {
  animation: pillarGrow 3s ease-in-out infinite;
}

.pillar-2 {
  animation: pillarGrow 4s ease-in-out infinite 0.5s;
}

.pillar-3 {
  animation: pillarGrow 2.5s ease-in-out infinite 1s;
}

@keyframes pillarGrow {

  0%,
  100% {
    height: 40px;
    transform: translateY(0);
  }

  50% {
    height: 70px;
    transform: translateY(-30px);
  }
}

/* 背景网格微动 */
.bg-mesh {
  animation: meshFade 8s ease-in-out infinite alternate;
}

@keyframes meshFade {
  from {
    opacity: 0.03;
  }

  to {
    opacity: 0.08;
  }
}

.wave {
  animation: spread 4s ease-out infinite;
}

@keyframes spread {
  from {
    r: 5;
    opacity: 0.8;
  }

  to {
    r: 40;
    opacity: 0;
  }
}

/* =========================================
   ADVANTAGES
   ========================================= */
.advantages {
  background: rgba(139, 92, 246, .04);
  backdrop-filter: blur(2px);
  position: relative;
  overflow: hidden;
}

.advantages::after {
  display: none;
}

/* 核心优势背景线条：大跨度波浪线 */
.advantages-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: .4;
  pointer-events: none;
}

.advantages::before {
  display: none;
}

.advantages .section-tag {
  color: var(--color-cta);
  background: rgba(139, 92, 246, .10);
  border-color: rgba(139, 92, 246, .20);
}

.advantages .section-title {
  color: var(--color-primary);
}

.advantages .section-desc {
  color: var(--color-text-muted);
}


.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.advantage-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, .06) 0%, rgba(139, 92, 246, .04) 40%, rgba(255, 255, 255, .02) 100%);
  border: 1px solid rgba(192, 132, 252, .18);
  border-radius: var(--radius-lg);
  border-top-color: rgba(255, 255, 255, .10);
  border-bottom-color: rgba(139, 92, 246, .12);
  padding: 36px;
  cursor: pointer;
  transition: transform .4s cubic-bezier(.22, 1, .36, 1), box-shadow .4s ease, background .3s ease;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 2px 12px rgba(10, 6, 20, .25),
    0 1px 3px rgba(10, 6, 20, .15),
    inset 0 1px 0 rgba(255, 255, 255, .06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* 金属光泽扫光 */
.advantage-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -80%;
  width: 60%;
  height: 200%;
  background: linear-gradient(105deg,
      transparent 30%,
      rgba(255, 255, 255, .06) 45%,
      rgba(255, 255, 255, .12) 50%,
      rgba(255, 255, 255, .06) 55%,
      transparent 70%);
  transform: skewX(-20deg);
  transition: left .8s cubic-bezier(.22, 1, .36, 1);
  pointer-events: none;
  z-index: 1;
}

.advantage-card:hover::before {
  left: 130%;
}

/* 底部渐变辉光 */
.advantage-card::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: 10%;
  right: 10%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(139, 92, 246, .15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity .5s ease;
  pointer-events: none;
}

.advantage-card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow:
    0 20px 56px rgba(139, 92, 246, .20),
    0 8px 24px rgba(10, 6, 20, .15),
    inset 0 1px 0 rgba(255, 255, 255, .10);
}

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

.advantage-title {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, #F0E6FF 0%, #C084FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.advantage-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.advantage-metric {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent2);
  background: linear-gradient(135deg, rgba(139, 92, 246, .12), rgba(168, 85, 247, .08));
  border: 1px solid rgba(139, 92, 246, .22);
  border-radius: 100px;
  padding: 5px 14px;
  position: relative;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(139, 92, 246, .10);
}

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
  position: relative;
  background: #0a0816;
  padding: 64px 0;
  overflow: hidden;
}

.cta-layout {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 80px;
}

.cta-left {
  flex-shrink: 0;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5.5vw, 66px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.03em;
  margin-bottom: 32px;
  background: linear-gradient(90deg,
      #fff 0%,
      rgba(255, 255, 255, .85) 40%,
      #fff 50%,
      rgba(255, 255, 255, .85) 60%,
      #fff 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: ctaTextShine 4s ease-in-out infinite;
}

@keyframes ctaTextShine {

  0%,
  100% {
    background-position: 100% 0;
  }

  50% {
    background-position: -100% 0;
  }
}

.btn-cta-green {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #34D399;
  color: #0a0816;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .3s cubic-bezier(.22, 1, .36, 1);
  position: relative;
  overflow: hidden;
}

.btn-cta-green::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .25), transparent);
  transform: skewX(-20deg);
  transition: left .6s ease;
}

.btn-cta-green:hover::after {
  left: 120%;
}

.btn-cta-green:hover {
  background: #6EE7B7;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(52, 211, 153, .30);
}

.btn-cta-green svg {
  transition: transform .3s ease;
}

.btn-cta-green:hover svg {
  transform: translateX(4px);
}

/* 鼠标引导箭头 */
.cta-guide-arrow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.cta-arrow-path {
  animation: dashFlow 2s linear infinite;
}

@keyframes dashFlow {
  0% {
    stroke-dashoffset: 0;
  }

  100% {
    stroke-dashoffset: -28;
  }
}

/* 右侧装饰 */
.cta-deco {
  flex-shrink: 0;
  width: 260px;
  opacity: .65;
}

.cta-deco img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: linear-gradient(180deg, #0D0A1A 0%, #080614 100%);
  padding: 80px 0 0;
  border-top: 1px solid rgba(139, 92, 246, .10);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, .35), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.footer-logo {
  margin-bottom: 16px;
  display: inline-flex;
}

.footer-logo .logo-text {
  color: #fff;
}

.footer-logo-img {
  filter: brightness(0) invert(1);
  opacity: .9;
  height: 60px;
  width: auto;
}

.footer-brand-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, .45);
  line-height: 1.8;
  max-width: 300px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .3);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  cursor: pointer;
  transition: color var(--trans);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #C084FC;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
}

.footer-contact svg {
  color: rgba(255, 255, 255, .3);
  flex-shrink: 0;
}

.footer-contact a {
  color: rgba(255, 255, 255, .55);
  transition: color var(--trans);
}

.footer-contact a:hover {
  color: #C084FC;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  gap: 16px;
}

.footer-copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, .25);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .25);
}

.footer-legal a {
  color: rgba(255, 255, 255, .35);
  transition: color var(--trans);
}

.footer-legal a:hover {
  color: rgba(255, 255, 255, .7);
}

/* =========================================
   SCROLL REVEAL
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.16, 1, .3, 1), transform .7s cubic-bezier(.16, 1, .3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .7s cubic-bezier(.16, 1, .3, 1), transform .7s cubic-bezier(.16, 1, .3, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: none;
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .7s cubic-bezier(.16, 1, .3, 1), transform .7s cubic-bezier(.16, 1, .3, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: none;
}

.reveal-scale {
  opacity: 0;
  padding: 180px 0;
  transform: scale(0.92);
  transition: opacity .7s cubic-bezier(.16, 1, .3, 1), transform .7s cubic-bezier(.16, 1, .3, 1);
}

.reveal-scale.visible {
  opacity: 1;
  transform: none;
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .models-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  /* Nav */
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(13, 10, 26, .96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform .3s cubic-bezier(.4, 0, .2, 1), opacity .3s;
    pointer-events: none;
    z-index: 800;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 16px;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
    justify-content: center;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero-title {
    font-size: clamp(36px, 9vw, 60px);
  }

  .hero-desc {
    font-size: 15px;
  }

  .br-desktop {
    display: none;
  }

  /* Stats */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .stat-item {
    padding: 24px 20px;
  }

  .stat-divider {
    display: none;
  }

  .stats-grid .stat-item:nth-child(odd) {
    border-right: 1px solid rgba(255, 255, 255, .08);
  }

  .stats-grid .stat-item:nth-child(-n+2) {
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Models */
  .models-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .industry-showcase {
    grid-template-columns: 1fr;
  }

  .industry-card {
    min-height: 440px;
  }

  .industry-card-title {
    font-size: 22px;
  }

  .feature-visual {
    max-width: 320px;
    margin: 0 auto;
  }

  /* Advantages */
  .advantages-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  .models-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   REDUCED MOTION
   ========================================= */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }

  .scroll-line {
    animation: none;
  }
}

/* =========================================
   HERO LAYOUT (two-column)
   ========================================= */
/* 移除不再需要的旧布局代码 */
.hero-visual,
.hero-illustration {
  display: none;
}


/* =========================================
   HERO RESPONSIVE OVERRIDES
   ========================================= */
/* Hero Responsive Overrides 移除了旧的布局适配 */
@media (max-width: 1024px) {

  .hero-layout,
  .hero-container {
    padding: 80px 24px 80px;
  }
}

@media (max-width: 768px) {

  .hero-layout,
  .hero-container {
    padding: 60px 24px 72px;
  }
}

/* =========================================
   SECTION BACKGROUND DECORATIONS
   ========================================= */
.services {
  position: relative;
  overflow: hidden;
}

.services-bg-deco {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  max-width: 45%;
  pointer-events: none;
  opacity: 1;
  z-index: 0;
}

.services-bg-deco img {
  width: 100%;
  height: auto;
  display: block;
}

.services .container {
  position: relative;
  z-index: 1;
}

.advantages {
  position: relative;
  overflow: hidden;
}

.advantages-bg-deco {
  position: absolute;
  left: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  max-width: 48%;
  pointer-events: none;
  opacity: 0.12;
  z-index: 0;
}

.advantages-bg-deco img {
  width: 100%;
  height: auto;
  display: block;
}

.advantages .container {
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {

  .services-bg-deco,
  .advantages-bg-deco {
    display: none;
  }
}

/* =========================================
   MODEL CARD — RICH LAYOUT
   ========================================= */
.models-grid-rich {
  grid-template-columns: repeat(5, 1fr);
}

.models-grid-rich .model-card {
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 12px;
  padding: 24px 20px 20px;
}

.model-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 4px 0;
}

.model-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  width: 100%;
  flex-wrap: wrap;
}

.model-ctx {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-secondary);
  background: rgba(139, 92, 246, .08);
  border: 1px solid rgba(139, 92, 246, .12);
  border-radius: 100px;
  padding: 2px 8px;
}

.model-status {
  font-size: 11px;
  font-weight: 600;
  border-radius: 100px;
  padding: 2px 8px;
  background: rgba(16, 185, 129, .08);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, .18);
}

.model-status-hot {
  background: rgba(239, 68, 68, .07);
  color: #DC2626;
  border-color: rgba(239, 68, 68, .18);
}

.model-status-new {
  background: rgba(168, 85, 247, .08);
  color: var(--color-accent2);
  border-color: rgba(168, 85, 247, .18);
}

.models-api-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.models-api-hint svg {
  color: var(--color-cta);
  flex-shrink: 0;
}

.models-api-link {
  color: var(--color-cta);
  font-weight: 600;
  transition: color var(--trans);
}

.models-api-link:hover {
  color: var(--color-cta-hover);
}

/* =========================================
   INDUSTRY STATS BAR
   ========================================= */
.industry-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: rgba(139, 92, 246, .06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(139, 92, 246, .15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  box-shadow: 0 4px 20px rgba(10, 6, 20, .20);
  animation: breathFloat 5s ease-in-out infinite;
  will-change: transform, box-shadow;
  padding: 20px 0;
}

@keyframes breathFloat {

  0%,
  100% {
    transform: translateY(0);
    box-shadow: 0 4px 20px rgba(10, 6, 20, .06);
  }

  50% {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(139, 92, 246, .12), 0 4px 12px rgba(139, 92, 246, .06);
  }
}

.ind-stat {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.ind-stat+.ind-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(139, 92, 246, .10);
}

.ind-stat-value {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--color-cta);
  margin-bottom: 6px;
  letter-spacing: -.02em;
}

.ind-stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* =========================================
   HOW TO (接入流程)
   ========================================= */
.howto {
  background:
    linear-gradient(180deg, rgba(13, 10, 26, .85) 0%, rgba(13, 10, 26, .7) 50%, rgba(13, 10, 26, .85) 100%),
    url('img/bg/折线.avif') center / cover no-repeat;
}

/* 左右布局 */
.howto-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  align-items: stretch;
}

/* 左侧步骤卡片 */
.howto-steps {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(139, 92, 246, .12);
  border-radius: var(--radius-xl);
  padding: 32px 32px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 32px rgba(10, 6, 20, .15);
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}

/* 每一步 */
.howto-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

/* 步骤编号 */
.howto-num {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  user-select: none;
  flex-shrink: 0;
  width: 52px;
  padding-top: 2px;
}

.howto-item-body {
  flex: 1;
  min-width: 0;
}

.howto-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
  letter-spacing: -.01em;
}

.howto-desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

/* 分隔线 */
.howto-divider {
  height: 1px;
  background: rgba(139, 92, 246, .10);
  margin: 24px 0;
}

/* 提示条 */
.howto-tip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #6EE7B7;
  background: rgba(16, 185, 129, .10);
  border: 1px solid rgba(16, 185, 129, .20);
  border-radius: 100px;
  padding: 4px 12px 4px 8px;
}

.howto-tip svg {
  color: inherit;
  flex-shrink: 0;
}

.howto-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.howto-tip-info {
  color: #93C5FD;
  background: rgba(59, 130, 246, .10);
  border-color: rgba(59, 130, 246, .20);
}

/* 行内代码 */
.howto-inline-code {
  display: inline-block;
}

.howto-inline-code code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12px;
  color: var(--color-accent2);
  background: rgba(139, 92, 246, .08);
  border: 1px solid rgba(139, 92, 246, .15);
  border-radius: 6px;
  padding: 4px 10px;
}

/* 右侧代码面板 */
.howto-code-panel {
  background: #0c0818;
  border: 1px solid rgba(139, 92, 246, .18);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 32px rgba(10, 6, 20, .25);
}

.howto-code-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 28px 0;
}

.howto-code-header .howto-num {
  font-size: 36px;
  width: 44px;
}

.howto-code-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
  margin-top: 2px;
}

/* 语言选项卡 */
.howto-code-tabs {
  display: flex;
  gap: 0;
  padding: 16px 28px 0;
  border-bottom: 1px solid rgba(139, 92, 246, .10);
}

.howto-tab {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .35);
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--trans), border-color var(--trans);
  margin-bottom: -1px;
}

.howto-tab:hover {
  color: rgba(255, 255, 255, .6);
}

.howto-tab.active {
  color: var(--color-accent2);
  border-bottom-color: var(--color-cta);
}

/* 代码块 */
.howto-code-block {
  display: none;
  flex: 1;
  padding: 20px 28px 28px;
  overflow-x: auto;
}

.howto-code-block.active {
  display: block;
}

.howto-code-block pre {
  margin: 0;
}

.howto-code-block code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .75);
  white-space: pre;
}

/* 语法高亮 */
.code-kw {
  color: #C084FC;
}

.code-str {
  color: #6EE7B7;
}

.code-key {
  color: #93C5FD;
}

.code-bool {
  color: #F59E0B;
}

.code-num {
  color: #F59E0B;
}

.code-builtin {
  color: #A78BFA;
}

/* =========================================
   PRICING
   ========================================= */
.pricing {
  background: rgba(139, 92, 246, .04);
  backdrop-filter: blur(2px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(139, 92, 246, .12);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 12px rgba(139, 92, 246, .06);
  backdrop-filter: blur(12px);
  position: relative;
  transition: transform var(--trans), box-shadow var(--trans);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 56px rgba(139, 92, 246, .14);
}

.pricing-card-featured {
  background: linear-gradient(135deg, #1A0E2E 0%, #20143A 100%);
  border-color: rgba(139, 92, 246, .35);
  box-shadow: 0 8px 40px rgba(139, 92, 246, .22);
}

.pricing-card-featured .pricing-tier,
.pricing-card-featured .pricing-amount,
.pricing-card-featured .pricing-period,
.pricing-card-featured .pricing-features li {
  color: rgba(255, 255, 255, .9);
}

.pricing-card-featured .pricing-unit {
  color: rgba(255, 255, 255, .6);
}

.pricing-card-featured .pricing-features li svg {
  color: #6EE7B7;
}

.pricing-badge-wrap {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
}

.pricing-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent2) 100%);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  box-shadow: 0 4px 12px rgba(139, 92, 246, .30);
  white-space: nowrap;
}

.pricing-tier {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.pricing-card-featured .pricing-tier {
  color: rgba(255, 255, 255, .5);
}

.pricing-price {
  margin-bottom: 6px;
}

.pricing-free {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -.02em;
}

.pricing-enterprise {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
}

.pricing-amount {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}

.pricing-unit {
  font-size: 15px;
  color: rgba(255, 255, 255, .55);
  margin-left: 4px;
}

.pricing-period {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-secondary);
  font-weight: 500;
}

.pricing-features li svg {
  color: var(--color-cta);
  flex-shrink: 0;
}

.pricing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--trans);
  text-align: center;
  width: 100%;
}

.pricing-btn-primary {
  background: linear-gradient(135deg, var(--color-cta) 0%, var(--color-accent2) 100%);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

.pricing-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(139, 92, 246, .32);
  filter: brightness(1.08);
}

.pricing-btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-primary);
  border: 1.5px solid rgba(139, 92, 246, .18);
}

.pricing-btn-outline:hover {
  background: rgba(139, 92, 246, .05);
  border-color: rgba(139, 92, 246, .35);
  color: var(--color-cta);
}

.pricing-card-featured .pricing-btn-outline {
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .85);
  border-color: rgba(255, 255, 255, .2);
}

.pricing-card-featured .pricing-btn-outline:hover {
  background: rgba(255, 255, 255, .15);
  border-color: rgba(255, 255, 255, .4);
  color: #fff;
}

/* =========================================
   FAQ
   ========================================= */
.faq {
  background: rgba(139, 92, 246, .03);
  backdrop-filter: blur(2px);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid rgba(139, 92, 246, .12);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 16px rgba(10, 6, 20, .20);
}

.faq-item {
  border-bottom: 1px solid rgba(139, 92, 246, .08);
  border-right: 1px solid rgba(139, 92, 246, .08);
}

.faq-item:nth-child(even) {
  border-right: none;
}

.faq-item:nth-last-child(-n+2) {
  border-bottom: none;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  transition: background var(--trans);
}

.faq-q:hover {
  background: rgba(139, 92, 246, .04);
}

.faq-q[aria-expanded="true"] {
  color: var(--color-cta);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--trans);
}

.faq-q[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
  color: var(--color-cta);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s cubic-bezier(.4, 0, .2, 1), padding .35s;
}

.faq-a.open {
  max-height: 300px;
}

.faq-a p {
  padding: 0 28px 24px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.faq-a code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;
  background: rgba(139, 92, 246, .07);
  color: var(--color-cta);
  padding: 1px 5px;
  border-radius: 4px;
}

/* =========================================
   CTA — NEW LAYOUT
   ========================================= */
.cta-top {
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(139, 92, 246, .06);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 1.5px solid rgba(139, 92, 246, .20);
  cursor: pointer;
  transition: all var(--trans);
  backdrop-filter: blur(8px);
}

.btn-cta-outline:hover {
  background: rgba(139, 92, 246, .08);
  border-color: rgba(139, 92, 246, .3);
  color: var(--color-cta);
  transform: translateY(-2px);
}

.cta-contact-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.cta-contact-item svg {
  color: var(--color-cta);
  flex-shrink: 0;
}

.cta-contact-item a {
  color: var(--color-cta);
  transition: color var(--trans);
}

.cta-contact-item a:hover {
  color: var(--color-cta-hover);
}

.cta-dot {
  color: var(--color-border);
  font-size: 18px;
  line-height: 1;
}

/* =========================================
   ABOUT — 关于我们
   ========================================= */
.about-summary {
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-text);
  text-align: center;
  max-width: 680px;
  margin: 0 auto 36px;
}

.about-summary strong {
  color: var(--color-cta);
  font-weight: 600;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.about-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.about-metric {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: border-color var(--trans), box-shadow var(--trans);
}

.about-metric:hover {
  border-color: rgba(139, 92, 246, .25);
  box-shadow: 0 6px 24px rgba(139, 92, 246, .06);
}

.about-metric-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-cta);
  margin-bottom: 4px;
  letter-spacing: -.02em;
}

.about-metric-label {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: .03em;
}


.about-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--trans), box-shadow var(--trans);
}

.about-highlight-item:hover {
  border-color: rgba(139, 92, 246, .25);
  box-shadow: 0 6px 24px rgba(139, 92, 246, .06);
}

.about-highlight-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(139, 92, 246, .08);
  color: var(--color-cta);
}

.about-highlight-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.about-highlight-item p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =========================================
   RESPONSIVE — NEW SECTIONS
   ========================================= */
@media (max-width: 1024px) {
  .models-grid-rich {
    grid-template-columns: repeat(3, 1fr);
  }

  .industry-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .howto-layout {
    grid-template-columns: 1fr;
  }

  .howto-steps {
    padding: 32px 24px;
  }

  .howto-code-block {
    padding: 16px 20px 20px;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .about-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .models-grid-rich {
    grid-template-columns: repeat(2, 1fr);
  }

  .industry-stats {
    grid-template-columns: repeat(2, 1fr);
    border-radius: var(--radius-md);
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .faq-item {
    border-right: none;
  }

  .faq-item:nth-last-child(-n+2) {
    border-bottom: 1px solid rgba(139, 92, 246, .08);
  }

  .faq-item:last-child {
    border-bottom: none;
  }

  .cta-layout {
    flex-direction: column;
    text-align: center;
  }

  .cta-guide-arrow,
  .cta-deco {
    display: none;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .case-values {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .models-grid-rich {
    grid-template-columns: 1fr;
  }

  .ind-stat+.ind-stat::before {
    display: none;
  }
}