:root {
  --bg: #F5F4F2;
  --bg-2: #FAF9F6;
  --ink: #1a1a1a;
  --ink-2: #4a4a4a;
  --ink-3: #8a8a8a;
  --ink-4: #b8b8b8;
  --line: rgba(26, 26, 26, 0.08);
  --line-strong: rgba(26, 26, 26, 0.14);
  --brand: #FF8C42;
  --brand-2: #FFA24E;
  --brand-3: #FFC462;
  --brand-deep: #E5742A;
  --brand-soft: rgba(255, 140, 66, 0.10);
  --brand-soft-2: rgba(255, 140, 66, 0.06);
  --brand-soft-3: rgba(255, 140, 66, 0.04);
  --price: #FF4500;
  --green: #16a34a;
  --green-soft: rgba(22, 163, 74, 0.10);
  --blue: #2563eb;
  --blue-soft: rgba(37, 99, 235, 0.10);
  --purple: #7c3aed;
  --purple-soft: rgba(124, 58, 237, 0.10);
  --shadow-sm: 0 2px 8px rgba(255, 140, 66, 0.06);
  --shadow-md: 0 8px 24px rgba(255, 140, 66, 0.08);
  --shadow-lg: 0 20px 48px rgba(255, 140, 66, 0.10);
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 24px;
  --r-pill: 999px;
  --gradient-brand: linear-gradient(135deg, #FFC462 0%, #FFA24E 50%, #FF8C42 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(255, 196, 98, 0.20) 0%, rgba(255, 140, 66, 0.14) 100%);
  --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #FFF8F0 100%);
  --gradient-hero: linear-gradient(180deg, #FFF8F0 0%, #F5F4F2 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  /* 吸顶导航高度，锚点跳转不被挡住 */
  scroll-padding-top: 88px;
}
html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(245, 244, 242, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.2px;
  flex-shrink: 0;
}
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--gradient-brand);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.logo-mark svg { width: 20px; height: 20px; position: relative; z-index: 1; }
.logo-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.4), transparent 60%);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.nav.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: var(--ink-2);
  flex: 1;
  justify-content: center;
}
.nav-links a {
  position: relative;
  padding: 4px 0;
  transition: color .15s;
}
.nav-links a:hover { color: var(--brand); }
.nav-actions { display: flex; gap: 10px; flex-shrink: 0; }
.btn-ghost-nav {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  padding: 9px 18px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  transition: all .15s;
  display: inline-flex;
  align-items: center;
}
.btn-ghost-nav:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.btn-primary-nav {
  background: var(--ink);
  color: #fff;
  border: none;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  transition: all .15s;
  display: inline-flex;
  align-items: center;
}
.btn-primary-nav:hover {
  background: var(--brand);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 72px 0 100px;
  /* 不可 overflow:hidden，否则左右浮动卡会被裁切 */
  overflow: visible;
  background: var(--gradient-hero);
}
.hero-glow {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.hero-glow::before {
  content: "";
  position: absolute;
  inset: -120px -10% auto auto;
  width: 540px;
  height: 540px;
  background: radial-gradient(circle, rgba(255, 140, 66, 0.18), transparent 60%);
  filter: blur(40px);
}
.hero-glow::after {
  content: "";
  position: absolute;
  inset: auto auto -180px -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 196, 98, 0.22), transparent 60%);
  filter: blur(40px);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(1.4); }
}
.hero h1 {
  font-size: 56px;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin: 20px 0 18px;
  font-weight: 800;
}
.hero h1 .accent {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 540px;
  margin-bottom: 28px;
}
.hero p.lead strong { color: var(--brand); font-weight: 700; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: var(--ink);
  color: #fff;
  border: none;
  padding: 14px 24px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .15s;
}
.btn-primary:hover {
  background: var(--brand);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  padding: 14px 24px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .15s;
}
.btn-ghost:hover {
  background: var(--brand-soft);
  border-color: var(--brand);
  color: var(--brand);
}
.hero-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  color: var(--ink-2);
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 500;
}
.chip svg { color: var(--brand); }
.chip strong { color: var(--ink); font-weight: 700; }

.hero-visual {
  position: relative;
  perspective: 1200px;
  /* 给左右浮动卡留出伸出空间，避免贴边裁切 */
  margin: 28px 36px 24px;
}
.hero-card {
  background: var(--gradient-card);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 26px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
  transform: rotateY(-6deg) rotateX(2deg);
  transform-style: preserve-3d;
  transition: transform .35s ease;
}
.hero-visual:hover .hero-card {
  transform: rotateY(-2deg) rotateX(0deg);
}
.hero-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.hero-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-card-pill {
  background: var(--green-soft);
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--r-pill);
}
.hero-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.hero-stat {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 12px;
  text-align: center;
}
.hero-stat-label {
  font-size: 11px;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.hero-stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
}
.hero-stat-value.price { color: var(--price); }
.hero-stat-value.up { color: var(--green); }
.hero-trend {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--gradient-brand-soft);
  border-radius: var(--r-md);
  margin-bottom: 16px;
}
.hero-trend-icon {
  width: 36px;
  height: 36px;
  background: #fff;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.hero-trend-body { flex: 1; }
.hero-trend-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.hero-trend-sub {
  font-size: 11px;
  color: var(--ink-3);
}
.hero-trend-value {
  font-size: 18px;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-mini-list { display: grid; gap: 8px; }
.hero-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 13px;
}
.hero-mini-left { color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.hero-mini-right { color: var(--price); font-weight: 700; }
.hero-mini-right.up { color: var(--green); }

.hero-float {
  position: absolute;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  z-index: 3;
  animation: floatY 3.2s ease-in-out infinite;
}
.hero-float-left {
  bottom: -12px;
  left: -28px;
}
.hero-float-right {
  top: -16px;
  right: -20px;
  animation-delay: -1.4s;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.hero-float-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.hero-float-icon.green { background: var(--green-soft); color: var(--green); }
.hero-float-icon.purple { background: var(--purple-soft); color: var(--purple); }
.hero-float-text strong { display: block; font-weight: 700; font-size: 13px; }
.hero-float-text span { color: var(--ink-3); font-size: 11px; }

/* ============ TRUST BAND ============ */
.trust {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.trust-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.trust-headline {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  flex-shrink: 0;
}
.trust-logos {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  align-items: center;
}
.trust-logo {
  color: var(--ink-3);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.4px;
  opacity: 0.7;
  transition: opacity .15s;
}
.trust-logo:hover { opacity: 1; }
.trust-divider {
  width: 1px;
  height: 24px;
  background: var(--line-strong);
}
.trust-compliance {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 11px;
  color: var(--ink-2);
  font-weight: 600;
}
.trust-badge svg { color: var(--brand); }

/* ============ SECTION ============ */
section {
  padding: 80px 0;
  scroll-margin-top: 88px;
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin: 14px 0 12px;
}
.section-head h2 .accent {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-head p {
  font-size: 16px;
  color: var(--ink-2);
  max-width: 640px;
  margin: 0 auto;
}

/* ============ CAPABILITIES ============ */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cap-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 32px 28px;
  position: relative;
  transition: all .25s;
  overflow: hidden;
}
.cap-card .cap-title {
  padding-right: 96px;
}
.cap-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 140, 66, 0.32);
  box-shadow: var(--shadow-md);
}
.cap-card.featured {
  background: var(--gradient-card);
  border-color: rgba(255, 140, 66, 0.24);
  box-shadow: var(--shadow-sm);
}
.cap-tag {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
.cap-tag.open { background: var(--green-soft); color: var(--green); }
.cap-tag.beta { background: var(--brand-soft); color: var(--brand); }
.cap-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: var(--brand-soft);
  color: var(--brand);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.cap-card.featured .cap-icon { background: var(--gradient-brand); color: #fff; }
.cap-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.cap-sub {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 22px;
  line-height: 1.55;
}
.cap-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.cap-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}
.cap-list-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--brand);
}
.cap-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
  transition: gap .15s;
}
.cap-cta:hover { gap: 10px; }

/* ============ DATA PROOF ============ */
.proof-section { background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%); }
.proof-table {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.proof-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr 1.1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.proof-row:last-child { border-bottom: none; }
.proof-row.head {
  background: var(--brand-soft-2);
}
.proof-cell {
  padding: 18px 24px;
  font-size: 14px;
  color: var(--ink);
}
.proof-row.head .proof-cell {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.proof-media-type {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.proof-media-type svg { color: var(--brand); }
.proof-meta {
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 500;
  margin-top: 2px;
}
.proof-before { color: var(--ink-3); }
.proof-after {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-weight: 700;
}
.proof-arrow {
  display: inline-block;
  color: var(--ink-4);
}
.proof-note {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--ink-3);
}
.proof-note a {
  color: var(--brand);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.proof-delta { color: var(--green); font-weight: 700; }

/* ============ ONBOARDING ============ */
.onboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.onboard-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 36px;
}
.onboard-panel h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.onboard-panel p.sub {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 28px;
}
.step-list { display: flex; flex-direction: column; gap: 16px; }
.step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.step-body { padding-top: 4px; }
.step-title { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.step-desc { font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.onboard-endpoints {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px dashed var(--line);
}
.endpoint-pill {
  padding: 6px 14px;
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 700;
}
.wl-points {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wl-vis {
  margin-top: 28px;
  padding: 20px;
  background: var(--bg-2);
  border-radius: var(--r-md);
  border: 1px dashed var(--line-strong);
}
.wl-vis-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.wl-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.wl-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 14px;
  text-align: center;
}
.wl-card-head {
  height: 6px;
  border-radius: 3px;
  margin-bottom: 12px;
}
.wl-card.original .wl-card-head { background: #1a1a1a; }
.wl-card.brand .wl-card-head { background: var(--gradient-brand); }
.wl-card-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.wl-card-meta {
  font-size: 10px;
  color: var(--ink-3);
}

/* ============ SETTLEMENT ============ */
.settle-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.settle-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--line);
}
.settle-row:last-child { border-bottom: none; }
.settle-label {
  padding: 20px 28px;
  background: var(--brand-soft-2);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  border-right: 1px solid var(--line);
}
.settle-value {
  padding: 20px 28px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}
.settle-value strong { color: var(--ink); font-weight: 700; }
.settle-foot {
  padding: 20px 28px;
  background: var(--brand-soft-3);
  text-align: center;
  font-size: 13px;
  color: var(--ink-2);
}
.settle-foot a {
  color: var(--brand);
  font-weight: 700;
  margin-left: 6px;
}

/* ============ SDK DOCS ============ */
.sdk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.sdk-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: all .2s;
  display: block;
}
.sdk-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 140, 66, 0.32);
  box-shadow: var(--shadow-md);
}
.sdk-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--brand-soft);
  color: var(--brand);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}
.sdk-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 4px;
}
.sdk-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }
.sdk-list span,
.sdk-list a {
  font-size: 13px;
  color: var(--ink-2);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color .15s;
}
.sdk-list a:hover { color: var(--brand); }
.sdk-foot {
  font-size: 11px;
  color: var(--ink-3);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.sdk-foot strong { color: var(--ink); font-weight: 700; }

/* ============ FAQ ============ */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all .15s;
}
.faq-item.open {
  border-color: rgba(255, 140, 66, 0.32);
  box-shadow: var(--shadow-sm);
}
.faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  user-select: none;
  width: 100%;
  background: transparent;
  border: none;
  text-align: left;
  color: inherit;
  font-family: inherit;
}
.faq-q:hover { color: var(--brand); }
.faq-q .icon {
  width: 24px;
  height: 24px;
  color: var(--ink-3);
  transition: transform .25s;
  flex-shrink: 0;
}
.faq-item.open .faq-q .icon { transform: rotate(45deg); color: var(--brand); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}
.faq-a > .faq-a-inner {
  overflow: hidden;
  min-height: 0;
}
.faq-item.open .faq-a {
  grid-template-rows: 1fr;
  padding: 0 24px 20px;
}

/* ============ APPLY FORM ============ */
.apply-section {
  background: var(--gradient-hero);
}
.apply-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 48px;
  box-shadow: var(--shadow-md);
}
.apply-head {
  text-align: center;
  margin-bottom: 36px;
}
.apply-head h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin-bottom: 8px;
}
.apply-head p { font-size: 15px; color: var(--ink-2); }
.apply-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.apply-field { display: flex; flex-direction: column; gap: 6px; }
.apply-field.full { grid-column: 1 / -1; }
.apply-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}
.apply-field label .req { color: var(--price); }
.apply-field input,
.apply-field select,
.apply-field textarea {
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--ink);
  font-family: inherit;
  background: #fff;
  transition: all .15s;
}
.apply-field input:focus,
.apply-field select:focus,
.apply-field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.apply-field textarea { resize: vertical; min-height: 80px; }
.apply-actions {
  margin-top: 28px;
  text-align: center;
}
.apply-submit {
  font-size: 15px;
  padding: 16px 32px;
}
.apply-promise {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 16px;
  text-align: center;
  line-height: 1.5;
}
.apply-ok {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--green-soft);
  color: var(--green);
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
}
.apply-ok.show { display: block; }
.apply-error {
  display: none;
  margin-top: 12px;
  padding: 12px 16px;
  background: rgba(255, 69, 0, 0.08);
  color: var(--price);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
}
.apply-error.show { display: block; }
.apply-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ============ FOOTER ============ */
footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-brand { color: #fff; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 16px;
}
.footer-brand .contact {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}
.footer-contact-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-company {
  margin-top: 6px;
  color: rgba(255,255,255,0.45);
  font-size: 12px;
}
.footer-col h4 {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  transition: color .15s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: inherit; }
.footer-bottom a:hover { color: rgba(255, 255, 255, 0.8); }
.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .hero-grid,
  .onboard-grid,
  .apply-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .sdk-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 8px);
    flex-direction: column;
    gap: 0;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-md);
    padding: 8px;
    z-index: 60;
  }
  .nav.menu-open .nav-links { display: flex; }
  .nav-links a {
    padding: 12px 14px;
    border-radius: 8px;
  }
  .nav-links a:hover { background: var(--brand-soft); }
  .nav-actions .btn-ghost-nav { display: none; }
  .hero h1 { font-size: 42px; }
  .section-head h2 { font-size: 30px; }
  .proof-row { grid-template-columns: 1fr; }
  .proof-row.head { display: none; }
  .proof-cell { padding: 12px 18px; border-bottom: 1px solid var(--line); }
  .settle-row { grid-template-columns: 1fr; }
  .settle-label { border-right: none; border-bottom: 1px solid var(--line); }
  .hero-float-left, .hero-float-right { display: none; }
  .hero-visual { margin: 0; }
  .hero-card { transform: none; }
  .hero-visual:hover .hero-card { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 12px 20px; }
  .sdk-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .apply-card { padding: 28px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stat-row { grid-template-columns: 1fr; }
  .cap-card .cap-title { padding-right: 0; padding-top: 8px; }
  .cap-tag { position: static; display: inline-flex; margin-bottom: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .eyebrow .dot,
  .hero-float { animation: none; }
  .hero-card,
  .cap-card,
  .sdk-card,
  .btn-primary,
  .btn-ghost,
  .faq-a { transition: none; }
}