/* =========================================================
   海豚精灵科技  ·  企业官网全局样式
   Design system: 商务科技风 / 简约大气
   ========================================================= */

:root {
  /* Brand */
  --color-primary: #0A5FFF;
  --color-primary-dark: #0848C7;
  --color-primary-light: #E8F1FF;
  --color-accent: #00C2FF;
  --color-ink: #0A1F44;
  --color-text: #3A4A66;
  --color-muted: #748399;
  --color-border: #E5EAF2;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F5F7FB;
  --color-bg-deep: #0A1F44;
  --color-success: #10B981;
  --color-warn: #F59E0B;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(10, 31, 68, 0.05);
  --shadow-md: 0 6px 24px rgba(10, 31, 68, 0.08);
  --shadow-lg: 0 20px 50px rgba(10, 31, 68, 0.12);

  /* Layout */
  --container: 1200px;
  --header-h: 72px;

  /* Transition */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s var(--ease);
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 36px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text .cn {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
}

.brand-text .en {
  font-size: 11px;
  color: var(--color-muted);
  margin-top: 2px;
  letter-spacing: 0.04em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  position: relative;
}

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

.nav-menu a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-cta {
  margin-left: 12px;
  padding: 8px 18px !important;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: var(--radius-pill);
  font-size: 14px;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-ink);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
  color: #fff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("../img/hero-index.jpg") center/cover no-repeat;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 30, 80, 0.92) 0%, rgba(10, 95, 255, 0.55) 60%, rgba(0, 194, 255, 0.25) 100%);
  z-index: -1;
}

.hero-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 120px 24px 100px;
}

.hero h1 {
  color: #fff;
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.hero h1 .accent {
  background: linear-gradient(90deg, #66D9FF 0%, #A0E7FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  transition: all .25s var(--ease);
  cursor: pointer;
}

.btn-primary {
  background: #fff;
  color: var(--color-primary);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--color-primary-dark);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-blue {
  background: var(--color-primary);
  color: #fff;
}

.btn-blue:hover {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 8px 24px rgba(10, 95, 255, 0.32);
}

/* ---------- Page banner (sub pages) ---------- */
.page-banner {
  position: relative;
  height: 320px;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: #fff;
}

.page-banner .hero-bg,
.page-banner .hero-overlay {
  position: absolute;
  inset: 0;
}

.page-banner .hero-bg {
  background-position: center;
  background-size: cover;
}

.page-banner .hero-overlay {
  background: linear-gradient(120deg, rgba(8, 30, 80, 0.85) 0%, rgba(10, 95, 255, 0.6) 100%);
}

.page-banner h1 {
  color: #fff;
  font-size: 40px;
  margin-bottom: 8px;
}

.page-banner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.6;
}

/* ---------- Section ---------- */
.section {
  padding: 96px 0;
}

.section-tight {
  padding: 72px 0;
}

.section-soft {
  background: var(--color-bg-soft);
}

.section-dark {
  background: var(--color-bg-deep);
  color: #C7D0E2;
}

.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 36px;
  line-height: 1.25;
  margin-bottom: 14px;
}

.section-head p {
  font-size: 16px;
  color: var(--color-muted);
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
  margin: 16px auto 0;
}

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all .3s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 20px;
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.card p {
  color: var(--color-muted);
  font-size: 14.5px;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ---------- 深色信任信息条 ---------- */
/* 替代原大数字 Stats：数字过小（2/2/1）用大字只会放大"少"，
   改为「事实要点 + 图标」，不编造数据、不承担无法兑现的承诺。 */
/* 深色底上重设 eyebrow / 副标题 / 分隔条（背景与标题色见上方 .section-dark） */
.section-dark .section-eyebrow {
  color: var(--color-accent);
}

.section-dark .section-head p {
  color: rgba(255, 255, 255, 0.62);
}

.section-dark .section-divider {
  background: var(--color-accent);
}

.reason {
  text-align: center;
}

.reason .icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 194, 255, 0.12);
  color: var(--color-accent);
}

.reason .icon svg {
  width: 26px;
  height: 26px;
}

.reason h4 {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.reason p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13.5px;
  line-height: 1.65;
}

/* ---------- Feature row ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse>* {
  direction: ltr;
}

.feature-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #fff;
}

.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-text h3 {
  font-size: 30px;
  margin-bottom: 18px;
}

.feature-text .eyebrow {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  display: inline-block;
}

.feature-text p {
  font-size: 15.5px;
  color: var(--color-text);
  margin-bottom: 24px;
  line-height: 1.85;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--color-text);
  font-size: 14.5px;
}

.feature-list .check {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.feature-list .check svg {
  width: 14px;
  height: 14px;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.step {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  position: relative;
}

.step .num {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 40px;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
}

.step h4 {
  font-size: 18px;
  margin: 16px 0 12px;
}

.step p {
  font-size: 14px;
  color: var(--color-muted);
}

/* ---------- CTA strip ---------- */
.cta-strip {
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-md);
}

.cta-strip h3 {
  color: #fff;
  font-size: 26px;
  margin-bottom: 8px;
}

.cta-strip p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
}

/* ---------- Contact form ---------- */
.form {
  display: grid;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.field input,
.field textarea,
.field select {
  font-family: inherit;
  font-size: 15px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-md);
  color: var(--color-ink);
  transition: all .2s var(--ease);
  outline: none;
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(10, 95, 255, 0.12);
}

.form-success {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 14px;
  display: none;
  margin-top: 16px;
}

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

.form-success.error {
  background: #FEF2F2;
  color: #B91C1C;
}

.form-success.pending {
  background: var(--color-bg-soft);
  color: var(--color-muted);
}

.contact-info {
  display: grid;
  gap: 18px;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-card .ico {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.contact-card .ico svg {
  width: 22px;
  height: 22px;
}

.contact-card h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 14.5px;
  color: var(--color-text);
  line-height: 1.6;
}

.contact-card .small {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 2px;
}

/* FAQ */
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-q {
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-q::after {
  content: "+";
  font-size: 22px;
  color: var(--color-primary);
  font-weight: 300;
  transition: transform .25s var(--ease);
}

.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease);
  padding: 0 22px;
  color: var(--color-muted);
  font-size: 14.5px;
  line-height: 1.8;
}

.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 22px 20px;
}

/* Map placeholder */
/* 地图：iframe 嵌入 + 地址浮层 */
.map-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #F1F5FA;
  min-height: 360px;
  position: relative;
}

.map-card .map-iframe {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
  filter: grayscale(0.15) contrast(1.02);
}

.map-card .map-overlay {
  position: absolute;
  left: 18px;
  bottom: 18px;
  right: 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.map-card .addr {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  max-width: 320px;
}

.map-card .addr strong {
  color: var(--color-primary);
}

.map-card .map-actions {
  flex-shrink: 0;
}

.map-fallback {
  padding: 40px 24px;
  text-align: center;
  color: var(--color-muted);
}

@media (max-width: 640px) {
  .map-card .map-overlay {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .map-card .addr {
    max-width: 100%;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0A1F44;
  color: #8FA0BF;
  padding: 64px 0 24px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h5 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #8FA0BF;
}

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

.footer-about p {
  color: #8FA0BF;
  line-height: 1.8;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand img {
  height: 32px;
  filter: brightness(0) invert(1);
}

.footer-brand .cn {
  color: #fff;
  font-weight: 600;
  font-size: 16px;
}

.footer-contact .row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer-contact .row .lbl {
  color: #6F7E97;
  flex: 0 0 60px;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #6F7E97;
}

.copyright a {
  color: #6F7E97;
}

.copyright a:hover {
  color: #fff;
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  transition: all .25s var(--ease);
  pointer-events: none;
  z-index: 40;
}

.to-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.to-top:hover {
  background: var(--color-primary-dark);
}

.to-top svg {
  width: 18px;
  height: 18px;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
}

.timeline li {
  position: relative;
  padding-bottom: 28px;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--color-primary);
}

.timeline .year {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.timeline h4 {
  font-size: 17px;
  margin: 4px 0 6px;
}

.timeline p {
  color: var(--color-muted);
  font-size: 14px;
}

/* ---------- Value cards (about) ---------- */
.value-card {
  text-align: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  height: 100%;
}

.value-card .ico {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.value-card .ico svg {
  width: 30px;
  height: 30px;
}

.value-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.value-card p {
  color: var(--color-muted);
  font-size: 14.5px;
}

/* ---------- Pricing / product features ---------- */
.product-hero {
  background: linear-gradient(180deg, #fff 0%, var(--color-bg-soft) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  border: 1px solid var(--color-border);
}

.product-hero img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.product-hero h3 {
  font-size: 28px;
  margin-bottom: 14px;
}

.product-hero p {
  color: var(--color-muted);
  margin-bottom: 18px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tag {
  font-size: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

/* ---------- Status badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  line-height: 1.6;
}

.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge.live {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
}

.badge.wip {
  background: rgba(245, 158, 11, 0.14);
  color: #D97706;
}

.badge.ongoing {
  background: rgba(10, 95, 255, 0.10);
  color: var(--color-primary-dark);
}

/* ---------- Product matrix ---------- */
.matrix-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .3s var(--ease);
}

.matrix-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.matrix-card .thumb {
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-soft);
}

.matrix-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.matrix-card .body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.matrix-card h3 {
  font-size: 24px;
  margin: 12px 0 4px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.matrix-card h3 .sub {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-muted);
}

.matrix-card .desc {
  color: var(--color-muted);
  font-size: 14.5px;
  margin: 10px 0 18px;
}

.matrix-card .caps {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
  flex: 1;
}

.matrix-card .caps li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--color-text);
}

.matrix-card .caps li .dot {
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 9px;
}

.matrix-card .foot {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-sm:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn-sm.ghost {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

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

.link-note {
  font-size: 13px;
  color: var(--color-muted);
}

/* ---------- Pricing ---------- */
.pricing-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all .3s var(--ease);
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
}

.pricing-card.highlight {
  border-color: var(--color-primary);
  box-shadow: 0 12px 36px rgba(10, 95, 255, 0.16);
  position: relative;
}

.pricing-card.highlight::before {
  content: "推荐";
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

.pricing-card .plan-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.pricing-card .price {
  font-size: 38px;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.1;
}

.pricing-card .price .unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
  margin-left: 6px;
}

.pricing-card .plan-desc {
  font-size: 13.5px;
  color: var(--color-muted);
  margin: 8px 0 20px;
}

.pricing-card ul {
  display: grid;
  gap: 12px;
  flex: 1;
  margin-bottom: 24px;
}

.pricing-card ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--color-text);
}

.pricing-card ul li svg {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  margin-top: 4px;
}

.pricing-note {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--color-muted);
}

/* ---------- Capability grid (SaaS) ---------- */
.cap-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all .3s var(--ease);
}

.cap-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cap-card img {
  height: 170px;
  width: 100%;
  object-fit: cover;
}

.cap-card .body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cap-num {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.cap-card h4 {
  font-size: 17px;
  margin-bottom: 10px;
}

.cap-card p {
  font-size: 14px;
  color: var(--color-muted);
}

/* ---------- Notice bar ---------- */
.notice {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #92400E;
  font-size: 13.5px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}

.notice svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

/* ---------- 扫码进入（二维码） ---------- */
.qr-block {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
  margin-top: 28px;
}

.qr-card {
  width: 200px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.qr-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.qr-card img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  margin: 0 auto 14px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 8px;
}

.qr-card .qr-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.qr-card .qr-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

.qr-hint {
  text-align: center;
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--color-muted);
}

.qr-hint strong {
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* 紧凑型（行内/卡片内） */
.qr-inline {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.qr-inline .qr-card {
  width: 168px;
  padding: 16px 14px 14px;
}

.qr-inline .qr-card img {
  width: 124px;
  height: 124px;
}

.qr-inline .qr-card .qr-title {
  font-size: 14.5px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .feature-row,
  .product-hero {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .feature-row.reverse {
    direction: ltr;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p.lead {
    font-size: 16px;
  }

  .section {
    padding: 72px 0;
  }

  .section-head h2 {
    font-size: 28px;
  }
}

@media (max-width: 720px) {
  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu.open {
    display: flex;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    align-items: stretch;
  }

  .nav-menu.open a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }

  .nav-menu.open a.active {
    background: var(--color-primary-light);
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .steps {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 480px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-inner {
    padding: 80px 24px 64px;
  }

  .page-banner {
    height: 240px;
  }

  .page-banner h1 {
    font-size: 30px;
  }

  .section {
    padding: 56px 0;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .container {
    padding: 0 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cta-strip {
    padding: 32px 24px;
  }

  .cta-strip h3 {
    font-size: 20px;
  }

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

  .qr-card {
    width: 46%;
    min-width: 150px;
    padding: 18px 12px 14px;
  }

  .qr-card img {
    width: 120px;
    height: 120px;
  }

  .qr-inline .qr-card {
    width: 44%;
    min-width: 140px;
  }

  .reason .icon {
    width: 46px;
    height: 46px;
  }
}