/* =================== RESET & VARIABLES =================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Skip link */
.skip-link {
  position: absolute; top: -100%; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff;
  padding: 12px 24px; border-radius: 0 0 8px 8px;
  font-size: 1.6rem; font-weight: 700; z-index: 9999;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }

:root {
  --blue:        #0F62FE;
  --blue-dark:   #0A4FCC;
  --blue-light:  #4D9FFF;
  --blue-pale:   #EBF2FF;
  --cyan:        #00D4FF;
  --cyan-glow:   rgba(0,212,255,0.3);
  --yellow:      #FDD13C;
  --yellow-dark: #F5B800;
  --green:       #00E676;
  
  --grad-hero:   linear-gradient(135deg, #0F62FE 0%, #00D4FF 50%, #0F62FE 100%);
  --grad-blue:   linear-gradient(135deg, #0F62FE 0%, #0084C7 100%);
  --grad-card:   linear-gradient(135deg, #F8FAFF 0%, #FFFFFF 100%);
  --grad-dark:   linear-gradient(135deg, #0A1628 0%, #1A2A4A 100%);

  --bg:          #FFFFFF;
  --bg-alt:      #F8FAFC;
  --bg-card:     #FFFFFF;
  --border:      #E2E8F0;
  --border-blue: rgba(15,98,254,0.25);
  --border-glow: rgba(0,212,255,0.4);

  --text:        #1A1A2E;
  --text-2:      #2D3748;
  --text-dim:    #4A5568;
  --text-muted:  #718096;

  --r-sm:   10px;
  --r-md:   16px;
  --r-lg:   24px;
  --r-xl:   32px;
  --r-full: 9999px;

  --font: "Noto Sans TC", -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 1200px;
  --py:    clamp(80px, 8vw, 120px);
}

html { scroll-behavior: smooth; font-size: 62.5%; }
/* 固定顶栏高度，锚点跳转时不被遮挡 */
[id="hero"],
[id="platforms"],
[id="geo-intro"],
[id="ai-trust-model"],
[id="trust-platform"],
[id="trust-funnel"],
[id="faq"],
[id="cta"] {
  scroll-margin-top: 88px;
}
body {
  font-family: var(--font);
  font-size: 1.75rem;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3,h4 { line-height: 1.2; font-weight: 800; }
h1 { font-size: clamp(5.5rem, 7.8vw+1.3rem, 9.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(3.9rem, 5.85vw+0.65rem, 6.2rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(2.6rem, 3.64vw+0.26rem, 3.4rem); }
p  { line-height: 1.85; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, p { overflow-wrap: break-word; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 clamp(24px, 4vw, 56px); }
.section    { padding: var(--py) 0; }

/* =================== GRADIENT TEXT =================== */
.g-blue   { 
  background: linear-gradient(135deg, #0F62FE 0%, #00D4FF 50%, #0F62FE 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  background-size: 200% auto;
  animation: grad-shine 4s ease-in-out infinite;
}
.g-yellow { 
  background: linear-gradient(135deg, #FDD13C 0%, #F5B800 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; 
}

@keyframes grad-shine {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

/* =================== PILL / BADGE =================== */
.pill {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, rgba(15,98,254,0.08) 0%, rgba(0,212,255,0.12) 100%);
  border: 1px solid rgba(15,98,254,0.25);
  color: var(--blue);
  font-size: 1.8rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 8px 20px; border-radius: var(--r-full);
  margin-bottom: 24px;
  transition: all 0.3s ease;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 1.7rem; font-weight: 700;
  padding: 16px 36px; border-radius: var(--r-full);
  cursor: pointer; border: none; white-space: nowrap;
  transition: all 0.35s ease;
  font-family: var(--font);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn:hover::before { left: 100%; }

.btn--primary {
  background: linear-gradient(135deg, #0F62FE 0%, #0084C7 100%);
  color: #fff;
  box-shadow: 0 6px 24px rgba(15,98,254,0.35), 0 0 0 0 rgba(15,98,254,0.2);
}
.btn--primary:hover {
  background: linear-gradient(135deg, #0A4FCC 0%, #0F62FE 100%);
  box-shadow: 0 8px 32px rgba(15,98,254,0.45), 0 0 0 4px rgba(15,98,254,0.1);
  transform: translateY(-3px);
}
.btn--nav {
  justify-content: center;
  gap: 0;
  padding: 6px 16px;
  font-size: 1.3rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.32);
}
.btn--nav:hover {
  background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
  box-shadow: 0 6px 18px rgba(234, 88, 12, 0.42), 0 0 0 3px rgba(249, 115, 22, 0.16);
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}
.btn--outline:hover {
  background: var(--blue-pale);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(15,98,254,0.15);
}
.btn--lg { padding: 16px 48px; font-size: 1.5rem; }

/* =================== SECTION HEADER =================== */
.sec-head { margin-bottom: clamp(48px, 6vw, 80px); }
.sec-head--c { text-align: center; }
.sec-head .sub {
  margin-top: 20px;
  font-size: 1.9rem;
  color: var(--text-dim);
  max-width: 720px;
  line-height: 1.85;
}
.sec-head--c .sub { margin-left: auto; margin-right: auto; }

/* =================== HEADER =================== */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all 0.35s ease;
}
#site-header.scrolled {
  border-bottom-color: rgba(234, 88, 12, 0.18);
  box-shadow: 0 2px 16px rgba(234, 88, 12, 0.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.header-logo { max-width: min(48vw, 360px); min-width: 0; flex: 1; display: flex; align-items: center; line-height: 1.4; }
.header-logo img { height: 38px; width: auto; }
.header-logo span {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.4;
  color: #1A1A2E;
}
.header-inner nav {
  display: flex; align-items: center; gap: 8px;
}

/* Mobile Nav */
.nav-links {
  display: none;
  list-style: none; gap: 4px;
}
.nav-links a {
  font-size: 1.4rem; font-weight: 600; color: var(--text-2);
  padding: 8px 14px; border-radius: var(--r-full);
  transition: all 0.25s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: #EA580C;
  background: #FFEDD5;
}
.nav-links a.is-active {
  color: #EA580C;
  font-weight: 700;
  background: #FFEDD5;
}
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 36px; height: 36px; position: relative;
}
.hamburger span {
  display: block; width: 22px; height: 2px; background: var(--text);
  position: absolute; left: 7px; transition: all 0.3s ease;
}
.hamburger span:nth-child(1) { top: 10px; }
.hamburger span:nth-child(2) { top: 17px; }
.hamburger span:nth-child(3) { top: 24px; }
.hamburger.is-open span:nth-child(1) { top: 17px; transform: rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { top: 17px; transform: rotate(-45deg); }
.hamburger.is-open span { background: #EA580C; }
.mobile-nav-panel {
  display: none; position: fixed; top: 72px; left: 0; right: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(234, 88, 12, 0.16);
  padding: 12px 24px 28px; z-index: 999;
  box-shadow: 0 12px 32px rgba(234, 88, 12, 0.08);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}
.mobile-nav-panel.is-open { display: block; }
.mobile-nav-panel ul { list-style: none; }
.mobile-nav-panel li { border-bottom: 1px solid #F3E8DE; }
.mobile-nav-panel li:last-child { border-bottom: none; }
.mobile-nav-panel a {
  display: block; padding: 18px 8px; font-size: 1.7rem; font-weight: 600; color: var(--text);
  transition: color 0.25s, background 0.25s;
  border-radius: 10px;
  line-height: 1.6;
}
.mobile-nav-panel a:hover,
.mobile-nav-panel a:focus-visible {
  color: #EA580C;
  background: #FFF7ED;
}
.mobile-nav-cta {
  border-bottom: none !important;
  padding-top: 16px;
}
.mobile-nav-cta a.btn,
.mobile-nav-panel .mobile-nav-cta a {
  display: flex !important;
  width: 100%;
  box-sizing: border-box;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  writing-mode: horizontal-tb;
  padding: 14px 20px;
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.2;
  overflow: visible;
  border-radius: 12px;
}
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .header-inner .btn--nav { display: none; }
  .header-logo { max-width: calc(100% - 48px); }
  .header-logo span {
    white-space: normal;
    overflow: hidden;
    text-overflow: unset;
    font-size: 1.5rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
}

/* =================== HERO =================== */
#hero {
  min-height: 90vh;
  padding: calc(72px + 19px) 0 31px;
  background: linear-gradient(175deg, #F8FAFF 0%, #FFFFFF 40%, #F0F7FF 100%);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center;
}
#hero::before {
  content: '';
  position: absolute; top: -20%; right: -8%;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(15,98,254,0.05) 0%, transparent 70%);
  pointer-events: none;
  animation: float-orb 8s ease-in-out infinite;
}
#hero::after {
  content: '';
  position: absolute; bottom: -25%; left: -5%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(253,209,60,0.06) 0%, transparent 65%);
  pointer-events: none;
  animation: float-orb 10s ease-in-out infinite reverse;
}
@keyframes float-orb {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(20px, -20px); }
  66% { transform: translate(-15px, 15px); }
}

/* Hero 科技感网格背景 */
.hero-grid-bg {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    linear-gradient(rgba(15,98,254,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,98,254,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: center;
}

.hero-tag {
  display: inline-block;
  color: var(--text-dim);
  font-size: 2.1rem; font-weight: 600; letter-spacing: 0.06em;
  margin-bottom: 28px;
  line-height: 1.75;
}


.hero-title {
  font-size: clamp(3.4rem, 5.2vw, 6.2rem);
  font-weight: 900; letter-spacing: -0.04em; line-height: 1.28;
  margin-bottom: 32px;
  color: var(--text);
}
.hero-title .line2 {
  display: block;
  margin-top: 0.32em;
  font-size: clamp(2rem, 0.62em, 4.2rem);
  line-height: 1.4;
  color: #EA580C;
  background: none;
  -webkit-text-fill-color: unset;
  animation: none;
}

.hero-sub {
  font-size: clamp(2.1rem, 3.1vw+0.2rem, 2.9rem);
  color: var(--text-dim);
  max-width: 620px; line-height: 2.1;
  margin-bottom: 48px;
}

.hero-btns { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.hero-btns .btn {
  justify-content: center;
  gap: 0;
  padding: 10px 28px;
  font-size: 1.4rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  box-shadow: 0 4px 16px rgba(234, 88, 12, 0.32);
}
.hero-btns .btn:hover {
  background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.42), 0 0 0 3px rgba(249, 115, 22, 0.16);
  transform: translateY(-1px);
}

.hero-visual { position: relative; z-index: 2; }
.hero-visual img {
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
  object-position: center;
  clip-path: inset(6px 0 round 24px);
  border-radius: var(--r-lg);
  box-shadow: 0 8px 48px rgba(234, 88, 12, 0.22), 0 24px 64px rgba(0,0,0,0.12);
  border: 1px solid rgba(234, 88, 12, 0.12);
  transition: transform 0.5s ease;
}
.hero-visual:hover img { transform: scale(1.02); }

.hbadge {
  position: absolute;
  z-index: 3;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(15,98,254,0.15);
  border-radius: var(--r-md);
  padding: 12px 20px;
  display: flex; align-items: center; gap: 10px;
  font-size: 1.4rem; font-weight: 700; color: var(--text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  animation: float-badge 4s ease-in-out infinite;
}
.hbadge--1 { top: 20px; left: -28px; animation-delay: 0s; }
.hbadge--2 { bottom: 36px; right: -28px; animation-delay: 2s; }
.hbadge--3 { bottom: 36px; left: -28px; animation-delay: 1s; }
.hbadge .dot { 
  width: 10px; height: 10px; border-radius: 50%; 
  background: #00E676;
  box-shadow: 0 0 8px rgba(0,230,118,0.5);
  animation: pulse-green 2s ease-in-out infinite;
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 8px rgba(0,230,118,0.5); }
  50% { box-shadow: 0 0 16px rgba(0,230,118,0.8); }
}
@keyframes float-badge {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

/* geo-img floating badges */
.geobadge {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(15,98,254,0.15);
  border-radius: var(--r-md);
  padding: 10px 16px;
  display: flex; align-items: center; gap: 8px;
  font-size: 1.3rem; font-weight: 700; color: var(--text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  animation: float-badge 4.5s ease-in-out infinite;
  z-index: 2;
}
.geobadge--1 { top: -14px; right: -20px; animation-delay: 0s; }
.geobadge--2 { bottom: -14px; left: -20px; animation-delay: 2.25s; }
.geobadge .gdot {
  width: 10px; height: 10px; border-radius: 50%;
  background: #0F62FE;
  box-shadow: 0 0 8px rgba(15,98,254,0.5);
  animation: pulse-blue 2s ease-in-out infinite;
}
@keyframes pulse-blue {
  0%, 100% { box-shadow: 0 0 8px rgba(15,98,254,0.5); }
  50%      { box-shadow: 0 0 16px rgba(15,98,254,0.8); }
}

/* =================== PLATFORMS =================== */
#geo-intro {
  padding-bottom: 0;
}
#platforms {
  padding: 36px 0 28px;
  background: #fff;
  border-top: 1px solid var(--border);
  overflow: hidden;
}
#geo-intro #platforms {
  margin-top: 40px;
}
.platforms-label {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin: 0 0 18px;
}
.platforms-marquee {
  position: relative;
  overflow: hidden;
  width: 100%;
}
.platforms-marquee::before,
.platforms-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 72px;
  z-index: 2;
  pointer-events: none;
}
.platforms-marquee::before {
  left: 0;
  background: linear-gradient(90deg, #fff 0%, rgba(255,255,255,0) 100%);
}
.platforms-marquee::after {
  right: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, #fff 100%);
}
.platforms-track {
  --pgap: clamp(40px, 6vw, 88px);
  display: flex;
  width: max-content;
  animation: platforms-marquee 36s linear infinite;
  will-change: transform;
}
.platforms-marquee:hover .platforms-track {
  animation-play-state: paused;
}
.platforms-set {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--pgap);
  padding-right: var(--pgap);
  white-space: nowrap;
}
.platforms-set span {
  font-size: 2.1rem;
  font-weight: 600;
  color: #4b5563;
  letter-spacing: 0.01em;
}
@keyframes platforms-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .platforms-track {
    animation: none;
    transform: none;
    margin: 0 auto;
  }
  .platforms-set[aria-hidden="true"] { display: none; }
  .platforms-marquee::before,
  .platforms-marquee::after { display: none; }
  .platforms-set {
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    padding: 0 24px;
    white-space: normal;
  }
}


/* =================== GEO INTRO =================== */
.geo-brief {
  max-width: none;
  width: 100%;
  margin: 0;
}
.geo-brief-kicker {
  font-size: 1.5rem;
  font-weight: 700;
  color: #EA580C;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.geo-brief-title {
  font-size: clamp(2.8rem, 4.2vw, 4.4rem);
  font-weight: 800;
  color: #EA580C;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 20px;
}
.geo-brief-lead {
  font-size: 1.7rem;
  font-weight: 400;
  color: #6B7280;
  line-height: 2.1;
  text-indent: 2em;
  margin-bottom: 0;
  max-width: none;
}
.geo-brief-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.geo-brief--after-faq {
  margin-top: 0;
  margin-bottom: 48px;
}
.geo-brief--after-faq .geo-brief-facts {
  padding-top: 0;
  border-top: none;
}
.geo-brief-facts dl { margin: 0; }
.geo-brief-row {
  display: grid;
  grid-template-columns: 7.2em 1fr;
  gap: 12px 16px;
  padding: 10px 0;
  align-items: start;
}
.geo-brief-row dt {
  font-size: 1.45rem;
  font-weight: 600;
  color: #9ca3af;
  line-height: 1.6;
}
.geo-brief-row dd {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.65;
}
.geo-brief-row a { color: inherit; }
.geo-brief-row a:hover { color: #EA580C; }
.geo-brief-source {
  margin-top: 28px;
  font-size: 1.25rem;
  color: #9ca3af;
}


/* =================== FAQ (geo intro) =================== */
.faq-list { margin-top: 32px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  padding: 24px 0;
  cursor: pointer; user-select: none;
  transition: color 0.25s;
  font-family: var(--font);
  background: none; border: none; width: 100%; text-align: left; color: inherit;
}
.faq-header:hover { color: var(--blue); }
.faq-icon-title { display: flex; align-items: center; gap: 16px; }
.faq-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(15,98,254,0.08) 0%, rgba(0,212,255,0.12) 100%);
  border: 1px solid rgba(15,98,254,0.2);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.faq-item.is-open .faq-icon {
  background: linear-gradient(135deg, #0F62FE, #0084C7);
  border-color: transparent;
}
.faq-item.is-open .faq-icon svg { fill: #fff; }
.faq-title { font-size: 2rem; font-weight: 700; }
.faq-chevron { 
  width: 22px; height: 22px; flex-shrink: 0; color: var(--text-dim); 
  transition: transform 0.35s ease;
}
.faq-item.is-open .faq-chevron { transform: rotate(180deg); color: var(--blue); }
.faq-item.is-open .faq-header { color: var(--blue); }
.faq-body {
  max-height: 0; overflow: hidden;
  padding: 0 0 0 68px;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.is-open .faq-body { max-height: 300px; padding: 0 0 24px 68px; }
.faq-body li {
  margin-bottom: 10px; color: var(--text-2); font-size: 1.6rem;
  padding-left: 20px; position: relative;
}
.faq-body li::before {
  content: '';
  position: absolute; left: 0; top: 10px;
  width: 7px; height: 7px; border-radius: 50%;
  background: linear-gradient(135deg, #0F62FE, #00D4FF);
}

/* =================== CARD SYSTEM =================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(15,98,254,0.02) 0%, rgba(0,212,255,0.04) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card::after {
  content: '';
  position: absolute; top: -50%; right: -50%;
  width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(15,98,254,0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.card:hover::after { opacity: 1; }

.card:hover {
  border-color: var(--border-blue);
  box-shadow: 0 8px 40px rgba(15,98,254,0.1);
  transform: translateY(-5px);
}

.card--blue-top {
  position: relative; overflow: hidden;
}
.card--blue-top::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #0F62FE, #00D4FF, #0F62FE);
  background-size: 200% auto;
  opacity: 0;
  transition: opacity 0.4s, background-position 0.4s;
  animation: grad-shine 3s ease-in-out infinite;
}
.card--blue-top:hover::before { opacity: 1; }

/* =================== AI GROWTH OPPORTUNITY =================== */
#ai-trust-model.growth-section {
  position: relative;
  overflow: hidden;
  background: #FFF7ED;
}
.growth-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(40px, 5vw, 56px);
}
.growth-head h2 {
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 16px;
}
.growth-head h2 span { color: #EA580C; }
.growth-head p {
  font-size: 1.7rem;
  color: var(--text-dim);
  line-height: 1.85;
}
.growth-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.growth-card {
  background: #fff;
  border: 1px solid rgba(234, 88, 12, 0.08);
  border-radius: 22px;
  padding: 28px 24px 16px;
  box-shadow: 0 10px 32px rgba(234, 88, 12, 0.08);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.growth-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(234, 88, 12, 0.14);
}
.growth-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.growth-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.28);
}
.growth-icon--round { border-radius: 50%; }
.growth-icon--sq { border-radius: 10px; }
.growth-card h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #C2410C;
  line-height: 1.35;
}
.growth-card > p {
  font-size: 1.45rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 16px;
}
.growth-illus {
  margin-top: auto;
}
.growth-illus svg {
  display: block;
  width: 100%;
  height: auto;
}

/* =================== GEO LOOP (全鏈增長閉環) =================== */
#trust-platform.geo-loop-section {
  background: #FFF7ED;
}
.geo-loop-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(40px, 5vw, 56px);
}
.geo-loop-head h2 {
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 16px;
}
.geo-loop-head h2 span { color: #EA580C; }
.geo-loop-head p {
  font-size: 1.7rem;
  color: var(--text-dim);
  line-height: 1.85;
}
.geo-loop-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
}
.geo-loop-card {
  grid-column: span 2;
  background: #fff;
  border: 1px solid #E8E8E8;
  border-radius: 16px;
  padding: 18px 14px 16px 18px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 6px 18px rgba(26, 26, 46, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.geo-loop-card:nth-child(4) { grid-column: 2 / span 2; }
.geo-loop-card:nth-child(5) { grid-column: 4 / span 2; }
.geo-loop-card:hover {
  transform: translateY(-3px);
  border-color: rgba(234, 88, 12, 0.28);
  box-shadow: 0 12px 32px rgba(234, 88, 12, 0.1);
}
.geo-loop-copy {
  flex: 1 1 62%;
  min-width: 0;
}
.geo-loop-copy h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 6px;
}
.geo-loop-copy p {
  font-size: 1.35rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 0;
}
.geo-loop-art {
  flex: 0 0 38%;
  max-width: 132px;
}
.geo-loop-art svg {
  display: block;
  width: 100%;
  height: auto;
}

/* =================== COMPARISON TABLE =================== */
.compare-section-title {
  text-align: center;
  font-size: 2rem; font-weight: 800;
  color: var(--text);
  margin-bottom: 28px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.compare-section-title .title-icon {
  flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, #0F62FE, #00D4FF);
}
.compare-section-title span {
  background: linear-gradient(135deg, #0F62FE, #00D4FF);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.compare-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px 28px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.compare-card::before {
  content: '';
  position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: linear-gradient(180deg, #0F62FE, #00D4FF);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.compare-card:hover {
  border-color: rgba(15,98,254,0.2);
  box-shadow: 0 8px 28px rgba(15,98,254,0.08);
  transform: translateY(-3px);
}
.compare-card:hover::before { opacity: 1; }
.compare-card .cc-dim {
  font-size: 1.3rem; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.compare-card .cc-old {
  font-size: 1.5rem; color: var(--text-2);
  text-decoration: line-through rgba(0,0,0,0.15);
  margin-bottom: 6px;
}
.compare-card .cc-new {
  font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, #0F62FE, #0084C7);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.compare-card .cc-arrow {
  display: inline-block;
  margin: 0 8px;
  color: #0F62FE;
  font-size: 1.4rem;
}

/* =================== TRUST MATRIX =================== */
#trust-funnel.matrix-section {
  background: #fff;
}
.matrix-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(40px, 5vw, 56px);
}
.matrix-head h2 {
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 16px;
}
.matrix-head h2 span { color: #EA580C; }
.matrix-head p {
  font-size: 1.7rem;
  color: var(--text-dim);
  line-height: 1.85;
}
.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
}
.matrix-card {
  background: #fff;
  border: 1px solid #E8E8E8;
  border-radius: 18px;
  padding: 24px 22px 20px;
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.05);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.matrix-card:hover {
  transform: translateY(-3px);
  border-color: rgba(234, 88, 12, 0.28);
  box-shadow: 0 12px 32px rgba(234, 88, 12, 0.1);
}
.matrix-card--wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 24px;
}
.matrix-copy h3 {
  font-size: 2rem;
  font-weight: 800;
  color: #C2410C;
  margin-bottom: 12px;
  line-height: 1.3;
}
.matrix-checks {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.matrix-checks li {
  position: relative;
  padding-left: 26px;
  font-size: 1.45rem;
  color: var(--text-2);
  line-height: 1.55;
}
.matrix-checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #EA580C url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M3.5 8.2l3 3 6-6'/></svg>") center / 10px 10px no-repeat;
}
.matrix-cta {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.32);
  width: fit-content;
}
.matrix-cta:hover {
  background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
}
.matrix-viz {
  flex: 1 1 52%;
  min-width: 0;
}
.matrix-chart-label {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.matrix-linechart {
  display: block;
  width: 100%;
  height: auto;
}
.matrix-card--wide .matrix-copy { flex: 0 0 38%; }
.matrix-card--split {
  flex-direction: row;
  align-items: stretch;
}
.matrix-card--split .matrix-copy {
  flex: 1 1 52%;
  min-width: 0;
}
.matrix-chart-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-bottom: 6px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dim);
}
.matrix-legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--text-2);
}
.matrix-legend i {
  width: 12px;
  height: 3px;
  border-radius: 99px;
  display: inline-block;
}
.matrix-legend .lg-a { background: #FDBA74; }
.matrix-legend .lg-b { background: #EA580C; }
.matrix-linechart {
  display: block;
  width: 100%;
  height: auto;
}
.matrix-person {
  width: 38%;
  max-width: 168px;
  height: auto;
  object-fit: contain;
  object-position: bottom center;
  align-self: flex-end;
  margin-bottom: -8px;
}
.matrix-bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}
.matrix-bar {
  display: grid;
  grid-template-columns: 3.2em 1fr 3.2em;
  gap: 8px;
  align-items: center;
  font-size: 1.3rem;
  color: var(--text-2);
}
.matrix-bar b { text-align: right; color: var(--text); }
.matrix-bar-track {
  height: 8px;
  background: #F3E8DE;
  border-radius: 99px;
  overflow: hidden;
}
.matrix-bar-track i {
  display: block;
  height: 100%;
  border-radius: 99px;
}
.matrix-cite { flex: 1 1 46%; min-width: 0; }
.matrix-media-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.matrix-sitebars {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.matrix-sitebars i {
  display: block;
  height: 8px;
  border-radius: 99px;
  background: linear-gradient(90deg, #FDBA74, #EA580C);
}
.matrix-db {
  background: #FFF7ED;
  border-radius: 12px;
  padding: 12px;
}
.matrix-logos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.matrix-logos span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 4px;
  border-radius: 8px;
  background: #fff;
  color: #C2410C;
  font-size: 1.05rem;
  font-weight: 700;
}
.matrix-ui {
  position: relative;
  flex: 1 1 46%;
  min-height: 140px;
}
.matrix-ui-win {
  background: #fff;
  border: 1px solid #FED7AA;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 8px 20px rgba(234, 88, 12, 0.08);
}
.matrix-ui-bar {
  font-size: 1.25rem;
  font-weight: 800;
  color: #C2410C;
  margin-bottom: 10px;
}
.matrix-ui-win label {
  display: block;
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.matrix-ui-field {
  height: 32px;
  border-radius: 8px;
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 1.15rem;
  color: #9A3412;
}
.matrix-ui-chip {
  position: absolute;
  padding: 6px 12px;
  border-radius: 999px;
  background: #EA580C;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25);
}
.matrix-ui-chip:nth-child(2) { right: 8px; top: 8px; }
.matrix-ui-chip:nth-child(3) { right: 20px; bottom: 44px; }
.matrix-ui-chip:nth-child(4) { left: 12px; bottom: 8px; }
.matrix-ui-chip--alt { background: #C2410C; }
.matrix-note {
  font-size: 1.4rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin: 0;
}
.matrix-stack {
  position: relative;
  flex: 1 1 46%;
  min-height: 148px;
}
.matrix-sheet {
  position: absolute;
  left: 8%;
  right: 4%;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.94);
  border: 1px solid #FED7AA;
  font-size: 1.25rem;
  font-weight: 700;
  color: #9A3412;
  box-shadow: 0 8px 18px rgba(234, 88, 12, 0.1);
}
.matrix-sheet:nth-child(1) { top: 0; transform: rotate(-7deg) translateX(6px); opacity: 0.72; }
.matrix-sheet:nth-child(2) { top: 28px; transform: rotate(-3deg); opacity: 0.84; }
.matrix-sheet:nth-child(3) { top: 56px; transform: rotate(1deg); opacity: 0.92; }
.matrix-sheet:nth-child(4) { top: 86px; transform: rotate(-1deg); background: #FFF7ED; }

/* =================== EVIDENCE CHAIN (科技感图形) =================== */
.evidence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.evidence-list { display: flex; flex-direction: column; gap: 24px; }
.evidence-item {
  display: flex; gap: 20px; padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.evidence-item::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, #0F62FE, #00D4FF);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.evidence-item:hover::before { opacity: 1; }
.evidence-item:hover {
  border-color: var(--border-blue);
  box-shadow: 0 4px 24px rgba(15,98,254,0.08);
  transform: translateX(4px);
}
.evidence-item .e-icon {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: var(--r-sm);
  background: linear-gradient(135deg, rgba(15,98,254,0.08) 0%, rgba(0,212,255,0.15) 100%);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(15,98,254,0.15);
  transition: all 0.35s ease;
}
.evidence-item:hover .e-icon {
  background: linear-gradient(135deg, #0F62FE, #0084C7);
  border-color: transparent;
}
.evidence-item:hover .e-icon svg { stroke: #fff; }
.evidence-item h3 { font-size: 2.3rem; font-weight: 800; margin-bottom: 6px; }
.evidence-item p { font-size: 1.5rem; color: var(--text-2); line-height: 1.75; }

/* 铁三角科技感图形 */
.evidence-triangle {
  display: flex; flex-direction: column; gap: 24px;
  padding: 48px 44px;
  background: linear-gradient(135deg, #F8FAFF 0%, #FFFFFF 100%);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.evidence-triangle::before {
  content: '';
  position: absolute; top: -30%; left: -10%;
  width: 60%; height: 80%;
  background: radial-gradient(ellipse, rgba(15,98,254,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.tri-visual {
  display: flex; justify-content: center; align-items: center;
  margin-bottom: 12px;
  position: relative;
}
.tri-visual svg { filter: drop-shadow(0 4px 12px rgba(15,98,254,0.15)); }

.tri-item h3 { font-size: 2.5rem; font-weight: 800; margin-bottom: 10px; }
.tri-item p { font-size: 1.55rem; color: var(--text-2); line-height: 1.75; }
.tri-label {
  display: inline-block;
  padding: 5px 14px; border-radius: var(--r-full);
  font-size: 1.7rem; font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.tri-label--quant { background: #EBF2FF; color: #0F62FE; }
.tri-label--qual  { background: #FFF8E1; color: #B8860B; }
.tri-label--auth  { background: #E8F5E9; color: #2E7D32; }

/* =================== PROCESS =================== */
#process { background: var(--bg-alt); }
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative;
}
.process-line {
  position: absolute; top: 32px; left: 10%; right: 10%;
  height: 3px;
  background: linear-gradient(90deg, #0F62FE, #00D4FF, #0F62FE);
  background-size: 200% auto;
  animation: grad-shine 3s ease-in-out infinite;
}
.process-step {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 0 20px; position: relative; z-index: 1;
}
.step-num {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, #0F62FE, #0084C7);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  font-size: 2rem; font-weight: 800;
  box-shadow: 0 6px 20px rgba(15,98,254,0.3);
  transition: all 0.4s ease;
}
.process-step:hover .step-num {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(15,98,254,0.4);
}
.process-step h3 { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; color: var(--text); }
.process-step p { font-size: 1.5rem; color: var(--text-2); line-height: 1.75; }

/* =================== STATS =================== */
.stats-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  position: relative;
  transition: all 0.4s ease;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #0F62FE, #00D4FF, #0F62FE);
  background-size: 200% auto;
  opacity: 0;
  transition: opacity 0.4s;
  animation: grad-shine 3s ease-in-out infinite;
}
.stat-card:hover::before { opacity: 1; }
.stat-card:hover {
  border-color: var(--border-blue);
  box-shadow: 0 8px 40px rgba(15,98,254,0.1);
  transform: translateY(-5px);
}
.stat-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 1.2rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--blue); background: var(--blue-pale);
  padding: 5px 14px; border-radius: var(--r-full); margin-bottom: 14px;
  text-transform: uppercase;
}
.stat-val {
  font-size: clamp(3.2rem, 4vw, 5rem); font-weight: 900; line-height: 1; margin-bottom: 10px;
  background: linear-gradient(135deg, #0F62FE 0%, #00D4FF 50%, #0F62FE 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: grad-shine 4s ease-in-out infinite;
}
.stat-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; color: var(--text); }
.stat-desc { font-size: 1.5rem; color: var(--text-2); line-height: 1.75; }

/* =================== CASE GRID =================== */
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 72px); align-items: center; }
.case-img img {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.06);
}

/* =================== ROADMAP =================== */
#roadmap { background: var(--bg-alt); }
.roadmap-phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.phase-card {
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}
.phase-card::after {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(15,98,254,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.phase-tag {
  display: inline-block;
  font-size: 1.3rem; font-weight: 700; letter-spacing: 0.06em;
  padding: 6px 16px; border-radius: var(--r-full);
  margin-bottom: 18px;
  color: #fff;
  background: linear-gradient(135deg, #0F62FE, #0084C7);
  box-shadow: 0 4px 12px rgba(15,98,254,0.2);
}
.phase-card h3 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
.phase-card .phase-time { font-size: 1.8rem; color: var(--blue); font-weight: 700; margin-bottom: 16px; }
.phase-card p { font-size: 1.5rem; color: var(--text-2); line-height: 1.75; margin-bottom: 10px; }
.phase-card .phase-metric {
  margin-top: 16px; padding: 12px 18px;
  background: linear-gradient(135deg, rgba(15,98,254,0.08) 0%, rgba(0,212,255,0.12) 100%);
  border-radius: var(--r-sm);
  font-size: 1.4rem; color: var(--blue); font-weight: 700;
  border: 1px solid rgba(15,98,254,0.12);
}

/* =================== FEATURES =================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all 0.4s ease;
  position: relative;
}
.feature-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(15,98,254,0.02) 0%, rgba(0,212,255,0.04) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.feature-card:hover::after { opacity: 1; }
.feature-card:hover {
  border-color: var(--border-blue);
  box-shadow: 0 8px 40px rgba(15,98,254,0.1);
  transform: translateY(-6px);
}
.feature-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.feature-card-body { padding: 28px; }
.feature-card h3 { font-size: 2.5rem; font-weight: 800; margin-bottom: 16px; color: var(--text); }
.feature-card li {
  font-size: 1.5rem; color: var(--text-2); margin-bottom: 8px;
  padding-left: 20px; position: relative;
}
.feature-card li::before {
  content: '';
  position: absolute; left: 0; top: 10px;
  width: 7px; height: 7px; border-radius: 50%;
  background: linear-gradient(135deg, #0F62FE, #00D4FF);
}

/* =================== SERVICES =================== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.service-card {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, #0F62FE, #00D4FF);
  opacity: 0;
  transition: opacity 0.35s ease;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(15,98,254,0.08);
}
.s-icon {
  width: 50px; height: 50px; flex-shrink: 0; border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(15,98,254,0.08) 0%, rgba(0,212,255,0.15) 100%);
  border: 1px solid rgba(15,98,254,0.15);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.35s ease;
}
.service-card:hover .s-icon {
  background: linear-gradient(135deg, #0F62FE, #0084C7);
  border-color: transparent;
}
.service-card:hover .s-icon svg { stroke: #fff; }
.service-card h3 { font-size: 2.3rem; font-weight: 800; margin-bottom: 6px; color: var(--text); }
.service-card p { font-size: 1.45rem; color: var(--text-dim); line-height: 1.7; }

/* =================== FAQ (seo faq) =================== */
#faq { background: #fff; }
#faq .sec-head { margin-bottom: 32px; }
.faq-kicker {
  font-size: 1.5rem;
  font-weight: 700;
  color: #EA580C;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.faq-head-title {
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.3;
}
.faq-head-title span { color: #EA580C; }
.seo-faq-item { border-bottom: 1px solid var(--border); }
.seo-faq-item:first-child { border-top: 1px solid var(--border); }
.seo-faq-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 26px 0;
  cursor: pointer; user-select: none;
  transition: color 0.25s;
  font-family: var(--font);
  background: none; border: none; width: 100%; text-align: left; color: inherit;
}
.seo-faq-header:hover { color: #EA580C; }
.seo-faq-header h3 { font-size: 2.1rem; font-weight: 700; flex: 1; color: inherit; }
.seo-faq-icon {
  width: 22px; height: 22px; flex-shrink: 0; color: #9ca3af; transition: transform 0.35s, color 0.25s;
}
.seo-faq-item.is-open .seo-faq-icon { transform: rotate(180deg); color: #EA580C; }
.seo-faq-item.is-open .seo-faq-header { color: #EA580C; }
.seo-faq-body {
  max-height: 0; overflow: hidden;
  padding: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.seo-faq-item.is-open .seo-faq-body { max-height: 2200px; padding: 0 0 26px; }
.seo-faq-body p { font-size: 1.6rem; color: var(--text-2); line-height: 1.85; }
.seo-faq-lead { font-weight: 700; color: var(--text); margin-bottom: 10px; }
.faq-hl {
  background: #FFF7ED;
  color: #EA580C;
  font-weight: 700;
  padding: 0 4px;
  border-radius: 4px;
}
.seo-faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.seo-faq-actions a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid #EA580C;
  color: #EA580C;
  background: #FFF7ED;
  font-size: 1.4rem;
  font-weight: 700;
}
.seo-faq-actions a:hover { background: #EA580C; color: #fff; }

/* =================== CTA =================== */
#cta { background: var(--bg-alt); }
.cta-wrap {
  background: linear-gradient(135deg, #F97316 0%, #EA580C 50%, #C2410C 100%);
  background-size: 200% auto;
  animation: grad-shine 6s ease-in-out infinite;
  border-radius: var(--r-xl);
  padding: clamp(56px, 7vw, 96px) clamp(40px, 6vw, 88px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-wrap::before {
  content: '';
  position: absolute; top: -30%; right: -10%; width: 50%; height: 160%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; }
.cta-wrap h2 { font-size: clamp(3.6rem, 5.85vw, 5.7rem); margin-bottom: 20px; color: #fff; }
.cta-wrap p { font-size: 1.9rem; color: rgba(255,255,255,0.9); margin-bottom: 44px; max-width: 560px; margin-left: auto; margin-right: auto; line-height: 1.85; }
.cta-btns { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.cta-wrap .btn--primary {
  background: #fff;
  color: #EA580C;
  box-shadow: 0 6px 24px rgba(0,0,0,0.15);
}
.cta-wrap .btn--primary:hover {
  background: #FFF7ED;
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

/* =================== FOOTER =================== */
#site-footer {
  background: linear-gradient(180deg, #1A1A2E 0%, #0F1028 100%);
  color: rgba(255,255,255,0.65);
  padding: 64px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1.3fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  text-align: left;
}
.footer-col-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: #fff;
  text-decoration: none;
}
.footer-brand img {
  height: 36px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  /* 保留彩色 LOGO，勿 invert 成白块 */
  filter: none;
  opacity: 1;
}
.footer-brand span {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.footer-intro {
  font-size: 1.45rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.48);
  max-width: 320px;
  margin: 0;
}
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-list a {
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.45;
  color: rgba(255,255,255,0.55);
  transition: color 0.25s;
}
.footer-list a:hover { color: var(--yellow); }
.footer-meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 1.4rem;
  line-height: 1.55;
  color: rgba(255,255,255,0.55);
}
.footer-meta-list span {
  display: block;
  font-size: 1.2rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 2px;
}
.footer-contact-intro {
  font-size: 1.4rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.5);
  margin: 0 0 14px;
}
.footer-contact-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 999px;
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  word-break: break-all;
}
.footer-btn:hover { transform: translateY(-2px); }
.footer-btn--email {
  background: linear-gradient(135deg, #0F62FE 0%, #00A3E0 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(15,98,254,0.35);
}
.footer-btn--email:hover { filter: brightness(1.06); color: #fff; }
.footer-btn--line {
  background: #06C755;
  color: #fff;
  box-shadow: 0 6px 20px rgba(6,199,85,0.28);
}
.footer-btn--line:hover { filter: brightness(1.05); color: #fff; }
.footer-contact-note {
  margin: 12px 0 0;
  font-size: 1.25rem;
  color: rgba(255,255,255,0.38);
}
.footer-rule { width: 100%; height: 1px; background: rgba(255,255,255,0.08); margin: 36px 0 22px; }
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 18px;
  font-size: 1.35rem;
  color: rgba(255,255,255,0.42);
}
.footer-legal a { color: rgba(255,255,255,0.5); transition: color 0.25s; }
.footer-legal a:hover { color: rgba(255,255,255,0.85); }
.footer-legal-sep { opacity: 0.45; }
.footer-copy {
  font-size: 1.35rem;
  color: rgba(255,255,255,0.38);
  display: flex;
  gap: 16px 28px;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
.footer-copy-right { display: inline-flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.footer-copy a { color: rgba(255,255,255,0.4); transition: color 0.25s; }
.footer-copy a:hover { color: rgba(255,255,255,0.75); }

@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-intro { max-width: none; }
  .footer-copy { justify-content: center; text-align: center; }
  .footer-copy-right { justify-content: center; }
}

/* =================== SCROLL REVEAL =================== */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* =================== RESPONSIVE =================== */
@media(max-width:1024px) {
  .roadmap-phases { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .growth-grid { grid-template-columns: 1fr; }
  .growth-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(112px, 40%);
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 14px;
    row-gap: 8px;
    padding: 20px 16px;
  }
  .growth-card-top {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0;
  }
  .growth-card > p {
    grid-column: 1;
    grid-row: 2;
    margin-bottom: 0;
  }
  .growth-illus {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
    align-self: center;
  }
  .geo-loop-grid { grid-template-columns: 1fr; }
  .geo-loop-card,
  .geo-loop-card:nth-child(4),
  .geo-loop-card:nth-child(5) { grid-column: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-visual {
    display: block;
    width: 100%;
    max-width: 480px;
    margin: 4px auto 0;
  }
  .hero-visual img { max-height: 340px; clip-path: none; }
  .hbadge { font-size: 1.2rem; padding: 8px 12px; max-width: calc(100% - 20px); }
  .hbadge--1 { top: 12px; left: 8px; }
  .hbadge--2 { bottom: 12px; right: 8px; left: auto; }
  .hbadge--3 { bottom: 12px; left: 8px; }
  .geo-brief-facts { grid-template-columns: 1fr; gap: 0 0; }
  .evidence-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-line { display: none; }
  .stats-2col { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .platform-components { grid-template-columns: 1fr; }
  .matrix-grid { grid-template-columns: 1fr; }
  .matrix-card--wide,
  .matrix-card--split {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .matrix-card--wide .matrix-copy,
  .matrix-card--split .matrix-copy {
    flex: 1 1 auto;
    min-width: 0;
  }
  .matrix-viz,
  .matrix-cite,
  .matrix-ui,
  .matrix-stack {
    flex: 0 1 42%;
    max-width: 46%;
    min-width: 0;
  }
  .matrix-person {
    width: 28%;
    max-width: 110px;
    align-self: flex-end;
    margin-bottom: -6px;
  }
}
@media(max-width:600px) {
  :root { --py: 56px; }
  .container { padding: 0 20px; }
  .header-inner { height: 64px; }
  .mobile-nav-panel { top: 64px; padding: 8px 20px 24px; max-height: calc(100vh - 64px); }
  [id="hero"],
  [id="platforms"],
  [id="geo-intro"],
  [id="ai-trust-model"],
  [id="trust-platform"],
  [id="trust-funnel"],
  [id="faq"],
  [id="cta"] {
    scroll-margin-top: 72px;
  }
  #hero {
    min-height: 0;
    padding: calc(64px + 20px) 0 28px;
    align-items: flex-start;
  }
  .hero-tag { font-size: 1.35rem; margin-bottom: 18px; letter-spacing: 0.02em; line-height: 1.75; }
  .hero-title {
    font-size: clamp(2.6rem, 8.2vw, 3.4rem);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.35;
  }
  .hero-title .line2 { margin-top: 0.28em; line-height: 1.4; }
  .hero-sub {
    font-size: 1.5rem;
    line-height: 1.95;
    margin-bottom: 28px;
    max-width: none;
  }
  .hero-btns { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-btns .btn { width: 100%; }
  .growth-card {
    grid-template-columns: minmax(0, 1fr) 108px;
    column-gap: 10px;
    padding: 16px 14px;
  }
  .growth-card h3 { font-size: 1.55rem; }
  .growth-card > p { font-size: 1.3rem; line-height: 1.7; }
  .growth-icon { width: 30px; height: 30px; }
  .hero-visual img { max-height: 260px; }
  .hbadge { font-size: 1.1rem; padding: 6px 10px; gap: 6px; white-space: normal; line-height: 1.35; }
  .geo-loop-card {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 14px 12px 14px 16px;
  }
  .geo-loop-copy h3 { font-size: 1.55rem; }
  .geo-loop-copy p { font-size: 1.25rem; }
  .geo-loop-art {
    flex: 0 0 100px;
    max-width: 100px;
    width: 100px;
    margin: 0;
  }
  .matrix-card { padding: 16px 14px 12px; gap: 10px; }
  .matrix-copy h3 { font-size: 1.65rem; margin-bottom: 8px; }
  .matrix-checks { gap: 6px; }
  .matrix-checks li { font-size: 1.25rem; padding-left: 22px; }
  .matrix-bars { margin-top: 10px; gap: 8px; }
  .matrix-bar { font-size: 1.15rem; grid-template-columns: 2.6em 1fr 2.8em; gap: 6px; }
  .matrix-person { width: 30%; max-width: 96px; }
  .matrix-ui { min-height: 0; }
  .matrix-logos { grid-template-columns: repeat(2, 1fr); }
  .geo-brief-row { grid-template-columns: 1fr; gap: 2px 0; padding: 12px 0; }
  .geo-brief-title,
  .growth-head h2,
  .geo-loop-head h2,
  .matrix-head h2,
  .faq-head-title { font-size: clamp(2.4rem, 7vw, 3.2rem); }
  .geo-brief-lead,
  .growth-head p,
  .geo-loop-head p,
  .matrix-head p { font-size: 1.5rem; }
  .seo-faq-header { padding: 18px 0; gap: 12px; }
  .seo-faq-header h3 { font-size: 1.65rem; overflow-wrap: anywhere; }
  .cta-wrap { padding: 36px 20px; border-radius: 20px; }
  .cta-wrap h2 { font-size: clamp(2.4rem, 7vw, 3.2rem); }
  .cta-wrap p { font-size: 1.5rem; margin-bottom: 24px; }
  .cta-btns .btn { width: 100%; }
  .platforms-label { font-size: 1.25rem; margin: 0 12px 14px; }
  .platforms-set span { font-size: 1.7rem; }
  .roadmap-phases { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
}
@media(min-width:1081px) {
  .nav-links { display: flex !important; }
  .hamburger { display: none !important; }
}

/* =================== ABOUT / INNER PAGE =================== */
.page-about {
  max-width: none;
  width: 100%;
  margin: 0;
}
.page-about-crumb {
  display: none;
}

.page-about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: clamp(32px, 5vw, 56px);
  box-shadow: 0 12px 40px rgba(15, 98, 254, 0.06);
}

.page-about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.page-about-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad-hero);
}

.page-about-title {
  font-size: clamp(3.2rem, 5vw, 4.6rem) !important;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
  margin: 0 0 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.page-about-body {
  font-family: var(--font);
  font-size: 1.75rem;
  line-height: 1.85;
  color: var(--text-2);
}
.page-about-body > *:first-child { margin-top: 0; }
.page-about-body p {
  margin: 0 0 1.15em;
  color: var(--text-2);
  font-size: 1.75rem;
  line-height: 1.85;
}
.page-about-body h2 {
  font-size: clamp(2.4rem, 3.2vw, 3.1rem) !important;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 1.6em 0 0.7em;
  line-height: 1.3;
}
.page-about-body h3 {
  font-size: clamp(2rem, 2.5vw, 2.5rem) !important;
  font-weight: 700;
  color: var(--text);
  margin: 1.35em 0 0.55em;
  line-height: 1.35;
}
.page-about-body h4 {
  font-size: 1.9rem !important;
  font-weight: 700;
  color: var(--text);
  margin: 1.2em 0 0.45em;
}
.page-about-body ul,
.page-about-body ol {
  list-style: none;
  margin: 0 0 1.2em;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-about-body ul li,
.page-about-body ol li {
  position: relative;
  padding-left: 1.35em;
  font-size: 1.75rem;
  line-height: 1.75;
  color: var(--text-2);
}
.page-about-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-pale);
}
.page-about-body ol {
  counter-reset: about-ol;
}
.page-about-body ol li {
  counter-increment: about-ol;
  padding-left: 2em;
}
.page-about-body ol li::before {
  content: counter(about-ol);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.5em;
  height: 1.5em;
  border-radius: 50%;
  background: var(--blue-pale);
  color: var(--blue);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-about-body a {
  color: var(--blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about-body a:hover { color: var(--blue-dark); }
.page-about-body strong { color: var(--text); font-weight: 700; }
.page-about-body blockquote {
  margin: 1.4em 0;
  padding: 16px 20px;
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: linear-gradient(135deg, rgba(15,98,254,0.05), rgba(0,212,255,0.06));
  color: var(--text-dim);
  font-size: 1.7rem;
}
.page-about-body img {
  border-radius: var(--r-md);
  margin: 1.2em 0;
  border: 1px solid var(--border);
}
.page-about-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

.page-about-cta {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about-cta .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 12px 24px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  box-shadow: 0 4px 16px rgba(234, 88, 12, 0.32);
}
.page-about-cta .btn:hover {
  background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.42), 0 0 0 3px rgba(249, 115, 22, 0.16);
  transform: translateY(-1px);
}

@media (max-width: 600px) {
  .page-about-card {
    padding: 24px 20px;
    border-radius: var(--r-md);
  }
  .page-about-cta .btn { width: 100%; justify-content: center; }
}