/* 淮安文淼 GEO — 浅色 SaaS 风 · 蓝紫品牌色 */
:root {
  --bp-blue: #2a40ff;
  --bp-purple: #9400ff;
  --primary: #5530ff;
  --primary-hover: #7a00d4;
  --primary-soft: rgba(42, 64, 255, 0.09);
  --primary-soft-2: rgba(148, 0, 255, 0.06);
  --gradient-btn: linear-gradient(90deg, var(--bp-blue) 0%, var(--bp-purple) 100%);
  --gradient-btn-hover: linear-gradient(90deg, #1f32e6 0%, #7a00d9 100%);
  --gradient-hero-card: linear-gradient(145deg, #1a0f6e 0%, var(--bp-blue) 42%, #7d00d4 88%, var(--bp-purple) 100%);
  --gradient-featured: linear-gradient(155deg, #160b5c 0%, #2a32d4 38%, #6b00c9 72%, var(--bp-purple) 100%);
  /* 联系区大底：偏蓝，避免与表单按钮紫色调冲突 */
  --gradient-cta: linear-gradient(135deg, #0c1f45 0%, #153a8f 42%, #1d56db 78%, #2563eb 100%);
  --cta-form-btn: linear-gradient(90deg, #1d4ed8 0%, #2a40ff 100%);
  --cta-form-btn-hover: linear-gradient(90deg, #1e40af 0%, #1f32e6 100%);
  --text: #1d2129;
  --muted: #4e5969;
  --muted-light: #86909c;
  --bg: #ffffff;
  --bg-subtle: #f5f7fa;
  --border: #e5e6eb;
  --radius: 10px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(42, 64, 255, 0.07);
  --shadow-card: 0 8px 40px rgba(15, 23, 42, 0.06);
  --shadow-primary: 0 4px 20px rgba(42, 64, 255, 0.35);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --max: 1180px;
  --footer-bg: #071222;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-hover);
}

.container {
  width: min(100% - 48px, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
}

.logo:hover {
  color: var(--primary);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--gradient-btn);
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-main {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  align-items: center;
}

.nav-main a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-main a:hover {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-btn);
  color: #fff;
  font-weight: 700;
  border-radius: 12px;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--gradient-btn-hover);
  color: #fff;
  filter: brightness(1.05);
  box-shadow: 0 6px 24px rgba(148, 0, 255, 0.35);
}

.btn-outline {
  color: var(--bp-blue);
  border: 2px solid transparent;
  border-radius: 12px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--gradient-btn) border-box;
  background-origin: border-box;
  box-shadow: 0 2px 12px rgba(42, 64, 255, 0.08);
}

.btn-outline:hover {
  color: var(--bp-purple);
  background:
    linear-gradient(rgba(42, 64, 255, 0.06), rgba(148, 0, 255, 0.06)) padding-box,
    var(--gradient-btn) border-box;
  background-origin: border-box;
}

.btn-white {
  background: #fff;
  color: var(--bp-blue);
  width: 100%;
  font-weight: 700;
  border-radius: 12px;
}

.btn-white:hover {
  background: linear-gradient(90deg, rgba(42, 64, 255, 0.08), rgba(148, 0, 255, 0.08));
  color: var(--bp-purple);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .nav-wrap {
    display: none;
    position: absolute;
    left: 24px;
    right: 24px;
    top: 100%;
    margin-top: 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--shadow-card);
  }

  .site-header.is-open .nav-wrap {
    display: flex;
  }

  .nav-main {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-wrap .btn-primary {
    width: 100%;
    margin-top: 8px;
  }
}

/* Hero */
.hero {
  padding: 56px 0 72px;
  background: linear-gradient(180deg, #f5f7ff 0%, #faf5ff 35%, #fff 58%);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bp-blue);
  background: linear-gradient(90deg, var(--primary-soft), var(--primary-soft-2));
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
  border: 1px solid rgba(42, 64, 255, 0.12);
}

.hero h1 {
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  font-weight: 800;
  line-height: 1.22;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 520px;
}

.hero-lead strong {
  color: var(--text);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--muted);
}

.trust-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--primary);
}

/* Hero right card */
.hero-visual {
  border-radius: var(--radius-lg);
  background: var(--gradient-hero-card);
  padding: 32px 28px;
  color: #fff;
  box-shadow: var(--shadow-card), 0 12px 40px rgba(148, 0, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -40% 40% 40% -20%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 60%);
  pointer-events: none;
}

.hero-visual h2 {
  position: relative;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.geo-checklist {
  position: relative;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.geo-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.95rem;
  line-height: 1.5;
  opacity: 0.95;
}

.geo-checklist li:last-child {
  margin-bottom: 0;
}

.check-ico {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  margin-top: 2px;
}

.platform-row {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.platform-row span.label {
  width: 100%;
  font-size: 0.75rem;
  opacity: 0.75;
  margin-bottom: 4px;
}

.platform-pill {
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  font-size: 0.8rem;
}

/* Section common */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

section {
  padding: 72px 0;
}

section.alt-bg {
  position: relative;
  overflow: hidden;
  background: var(--bg-subtle);
}

/* 粒子画布：铺在灰底之上、内容之下 */
section.alt-bg .particles-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  display: block;
}

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

/* Problems — 标题与卡片悬停动效 */
#solutions .section-head h2 {
  display: inline-block;
  transition: color 0.35s ease, transform 0.35s ease;
}

#solutions .section-head h2::after {
  content: "";
  display: block;
  width: 0;
  height: 3px;
  margin: 10px auto 0;
  border-radius: 3px;
  background: var(--gradient-btn);
  transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

#solutions .section-head:hover h2 {
  color: var(--bp-blue);
  transform: translateY(-2px);
}

#solutions .section-head:hover h2::after {
  width: min(200px, 70%);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .problems-grid {
    grid-template-columns: 1fr;
  }
}

.problem-card {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition:
    transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1),
    box-shadow 0.35s ease,
    border-color 0.35s ease,
    background 0.35s ease;
}

.problem-card:hover {
  transform: translateY(-6px);
  border-color: rgba(42, 64, 255, 0.4);
  box-shadow:
    0 18px 44px rgba(42, 64, 255, 0.12),
    0 8px 24px rgba(148, 0, 255, 0.08);
  background: linear-gradient(145deg, #fff 0%, #f5f7ff 45%, #faf5ff 100%);
}

.problem-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  transition: color 0.3s ease;
}

.problem-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.3s ease;
}

.problem-card:hover h3 {
  color: var(--bp-blue);
}

.problem-card:hover p {
  color: var(--text);
}

@media (prefers-reduced-motion: reduce) {
  #solutions .section-head h2,
  #solutions .section-head h2::after,
  .problem-card,
  .problem-card h3,
  .problem-card p {
    transition: none;
  }

  #solutions .section-head:hover h2 {
    transform: none;
  }

  .problem-card:hover {
    transform: none;
  }
}

/* Modules 3x2 */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .modules-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 901px) and (max-width: 1024px) {
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.module-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.module-card:hover {
  box-shadow: var(--shadow-card);
  border-color: rgba(42, 64, 255, 0.22);
}

.module-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}

.module-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.module-desc {
  margin: 0 0 14px;
  font-size: 0.9rem;
  color: var(--muted);
}

.module-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.module-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.module-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--bp-blue), var(--bp-purple));
  box-shadow: 0 0 0 2px rgba(42, 64, 255, 0.18);
}

/* Process */
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .steps-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .steps-row {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow);
}

.step-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.step-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.step-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

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

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

.price-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.price-card.featured {
  background: var(--gradient-featured);
  border: none;
  color: #fff;
  transform: scale(1.02);
  box-shadow: 0 16px 48px rgba(42, 64, 255, 0.28), 0 12px 40px rgba(148, 0, 255, 0.2);
}

@media (max-width: 900px) {
  .price-card.featured {
    transform: none;
    order: -1;
  }
}

.price-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
  margin-bottom: 12px;
}

.price-card.featured .price-badge {
  background: rgba(255, 255, 255, 0.25);
}

.price-card h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.price-card.featured h3 {
  color: #fff;
}

.price-tag {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.price-card.featured .price-tag {
  color: #fff;
}

.price-sub {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 20px;
  min-height: 2.6em;
}

.price-card.featured .price-sub {
  color: rgba(255, 255, 255, 0.85);
}

.price-features {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  flex: 1;
}

.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

.price-card.featured .price-features li {
  color: rgba(255, 255, 255, 0.92);
}

.price-features svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary);
}

.price-card.featured .price-features svg {
  color: #fff;
}

.price-card .btn {
  margin-top: auto;
}

.price-card.featured .btn-white {
  width: 100%;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.pricing-note {
  text-align: center;
  margin-top: 28px;
  font-size: 0.85rem;
  color: var(--muted-light);
}

/* FAQ accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  background: var(--bg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  color: var(--text);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  margin-left: auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted-light);
  border-bottom: 2px solid var(--muted-light);
  transform: rotate(45deg);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-q-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.faq-body {
  padding: 0 22px 20px 72px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 480px) {
  .faq-body {
    padding-left: 22px;
  }
}

.faq-body p {
  margin: 0;
}

.faq-body strong {
  color: var(--text);
}

/* Contact CTA — 蓝色主调，与表单内按钮同色阶 */
.cta-band {
  background: var(--gradient-cta);
  padding: 56px 0 64px;
  color: #fff;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

@media (max-width: 900px) {
  .cta-grid {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 28px;
  }
}

.cta-copy {
  padding-right: clamp(0px, 4vw, 32px);
  max-width: 520px;
}

@media (max-width: 900px) {
  .cta-copy {
    padding-right: 0;
    max-width: none;
  }
}

.cta-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.3;
}

.cta-copy .cta-lead {
  margin: 0 0 28px;
  opacity: 0.92;
  font-size: 1rem;
  line-height: 1.8;
}

.cta-copy .cta-lead strong {
  color: #fff;
  font-weight: 600;
  opacity: 1;
}

/* 联系方式：图标 + 标签/内容分行，加大纵向间距 */
.cta-contact-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

@media (min-width: 901px) {
  .cta-contact-list {
    gap: 26px;
  }
}

.cta-contact-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px 20px;
  align-items: start;
}

.cta-contact-ico {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.cta-contact-body {
  min-width: 0;
  padding-top: 2px;
}

.cta-contact-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.cta-contact-value {
  display: block;
  font-size: 0.98rem;
  line-height: 1.55;
  color: #fff;
  opacity: 0.96;
}

.cta-contact-value a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.45);
}

.cta-contact-value a:hover {
  text-decoration-color: rgba(255, 255, 255, 0.85);
}

.cta-band-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
  max-width: 42em;
}

.cta-band-note-ico {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  margin-top: 2px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.form-float {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  color: var(--text);
}

/* 联系区表单：更紧凑，与左侧文案高度更协调 */
.cta-band .form-float {
  padding: 20px 22px 22px;
  box-shadow: 0 12px 40px rgba(7, 18, 34, 0.2);
}

.form-float h3 {
  margin: 0 0 20px;
  font-size: 1.1rem;
  font-weight: 700;
}

.cta-band .form-float h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.form-group {
  margin-bottom: 18px;
}

.cta-band .form-float .form-group {
  margin-bottom: 10px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
}

.cta-band .form-float .form-group label {
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.form-group label .req {
  color: #d03050;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.cta-band .form-float .form-group input,
.cta-band .form-float .form-group textarea {
  padding: 9px 12px;
  font-size: 0.9rem;
}

.cta-band .form-float .form-group textarea {
  min-height: 68px;
  line-height: 1.5;
}

/* 联系区内提交按钮：与蓝底同色系，不用高饱和紫 */
.cta-band .form-float .btn-primary {
  background: var(--cta-form-btn);
  box-shadow: 0 4px 16px rgba(29, 78, 216, 0.35);
  margin-top: 4px;
  padding-block: 10px;
}

.cta-band .form-float .btn-primary:hover {
  background: var(--cta-form-btn-hover);
  filter: brightness(1.04);
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.4);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--muted-light);
  margin-top: 12px;
  line-height: 1.5;
}

.cta-band .form-float .form-hint {
  margin-top: 8px;
  font-size: 0.72rem;
  line-height: 1.45;
}

.form-success {
  display: none;
  padding: 14px;
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  border-radius: var(--radius);
  color: #2e7d32;
  font-size: 0.9rem;
  margin-top: 14px;
}

.form-success.show {
  display: block;
}

/* Footer */
.site-footer {
  background: var(--footer-bg);
  color: rgba(255, 255, 255, 0.65);
  padding: 40px 0 32px;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.footer-brand {
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
}

.footer-links a:hover {
  color: #fff;
}

.footer-copy {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
}

.disclaimer {
  margin-top: 12px;
  font-size: 0.8rem;
  opacity: 0.75;
  max-width: 560px;
  line-height: 1.6;
}