/* 通睿数智 · 简洁商务风 */
:root {
  --brand: #376edc;
  --brand-dark: #2d5ab4;
  --brand-light: #6f97e6;
  --brand-tint: #eff3fc;
  --navy-950: #1a2c58;
  --navy-900: #264082;
  --navy-800: #445b94;
  --navy-700: #6779a8;
  --accent: #22c55e;
  --warning: #ffb13d;
  --ink: #111a26;
  --muted: #5a6473;
  --subtle: #8a93a0;
  --line: #e4e8ee;
  --line-dark: rgba(255, 255, 255, 0.12);
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --max: 1200px;
  --nav-h: 76px;
  --radius: 4px;
  --shadow: 0 18px 50px rgba(8, 26, 51, 0.08);
  --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  --font-num: "DIN Alternate", "DIN Condensed", "Bahnschrift", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-cn);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--brand-dark);
}

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

h1, h2, h3, h4 {
  margin: 0 0 0.75rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--ink);
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* —— Header —— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  color: #fff;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.site-header.is-solid {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--line);
  color: var(--ink);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-h);
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

.brand {
  position: relative;
  display: block;
  flex-shrink: 0;
  height: 44px;
}

.brand__logo {
  height: 44px;
  width: auto;
  transition: opacity 0.3s;
}

.brand__logo--white {
  position: absolute;
  left: 0;
  top: 0;
}

.brand__logo--color {
  opacity: 0;
}

.site-header.is-solid .brand__logo--color {
  opacity: 1;
}

.site-header.is-solid .brand__logo--white {
  opacity: 0;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  opacity: 0.85;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav > a,
.nav-dropdown > button {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: var(--nav-h);
  padding: 0 16px;
  color: inherit;
  font-size: 0.94rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  opacity: 0.9;
}

.site-nav > a:hover,
.nav-dropdown > button:hover {
  color: inherit;
  opacity: 1;
}

.site-nav > a.is-active::after,
.nav-dropdown > button.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 18px;
  height: 2px;
  background: var(--brand-light);
}

.site-header.is-solid .site-nav > a.is-active,
.site-header.is-solid .nav-dropdown > button.is-active {
  color: var(--brand);
}

.site-header.is-solid .site-nav > a.is-active::after,
.site-header.is-solid .nav-dropdown > button.is-active::after {
  background: var(--brand);
}

.nav-dropdown {
  position: relative;
}

.nav-caret {
  width: 14px;
  height: 14px;
  margin-left: 4px;
  opacity: 0.6;
  transition: transform 0.2s;
}

.nav-dropdown.is-open .nav-caret {
  transform: rotate(180deg);
}

.site-nav > .nav-cta {
  height: auto;
  margin-left: 14px;
  padding: 9px 20px;
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius);
  opacity: 1;
}

.site-nav > .nav-cta:hover {
  background: var(--brand-dark);
  color: #fff;
}

.mega {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-38%);
  width: 820px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 1001;
  overflow: hidden;
}

.nav-dropdown.is-open .mega {
  display: grid;
  grid-template-columns: 220px 1fr;
}

.mega__intro {
  background: var(--navy-900);
  color: #fff;
  padding: 28px 24px;
}

.mega__intro h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.mega__intro p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.mega__intro a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 0.88rem;
}

.mega__intro a .icon {
  width: 16px;
  height: 16px;
}

.mega__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 24px;
  padding: 26px 28px;
}

.mega__col h5 {
  margin: 0 0 10px;
  padding-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #22C55E;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line);
}

.mega__col a {
  display: block;
  padding: 6px 0;
  color: var(--ink);
  font-size: 0.9rem;
}

.mega__col a:hover {
  color: var(--brand);
}

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 15, 31, 0.45);
  z-index: 999;
}

.nav-backdrop.is-visible {
  display: block;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

.btn .icon {
  width: 18px;
  height: 18px;
  transition: transform 0.2s;
}

.btn:hover .icon {
  transform: translateX(3px);
}

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

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

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
  color: #fff;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 500;
}

.link-arrow .icon {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}

.link-arrow:hover .icon {
  transform: translateX(3px);
}

/* —— Dark surfaces (hero / banner / dark section) —— */
.surface-dark {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}

.surface-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
}

.surface-dark::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 900px;
  height: 900px;
  right: -260px;
  top: -380px;
  background: radial-gradient(circle, rgba(55, 110, 220, 0.45), transparent 62%);
  pointer-events: none;
}

.surface-dark h1,
.surface-dark h2,
.surface-dark h3,
.surface-dark h4 {
  color: #fff;
}

.surface-dark p {
  color: rgba(255, 255, 255, 0.7);
}

/* —— Hero —— */
.hero {
  padding: calc(var(--nav-h) + 72px) 0 140px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.surface-dark .eyebrow {
  color: var(--accent);
}

.hero h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero h1 span {
  background: linear-gradient(90deg, #fff, #6f97e6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 34em;
  font-size: 1.06rem;
  margin-bottom: 36px;
}

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

.hero__copy > * {
  animation: rise 0.8s ease both;
}

.hero__copy > *:nth-child(2) { animation-delay: 0.08s; }
.hero__copy > *:nth-child(3) { animation-delay: 0.16s; }
.hero__copy > *:nth-child(4) { animation-delay: 0.24s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* hero diagram */
.hero-diagram {
  position: relative;
  padding: 26px;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(6px);
  animation: rise 0.9s ease 0.2s both;
}

.hero-diagram__title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
}

.hero-diagram__title strong {
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}

.hd-flow {
  display: grid;
  grid-template-columns: 1fr 22px 1.25fr 22px 1fr;
  align-items: stretch;
}

.hd-col {
  padding: 16px 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}

.hd-col h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.hd-col small {
  display: block;
  margin-bottom: 12px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
}

.hd-col li {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.78);
  padding: 5px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.hd-col--core {
  background: linear-gradient(180deg, rgba(55, 110, 220, 0.55), rgba(55, 110, 220, 0.25));
  border-color: rgba(61, 143, 224, 0.6);
}

.hd-col--core li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hd-col--core li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hd-arrow {
  position: relative;
  align-self: center;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
  overflow: visible;
}

.hd-arrow::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6f97e6;
  animation: flow 2.4s linear infinite;
}

@keyframes flow {
  from { left: 0; opacity: 0; }
  20% { opacity: 1; }
  to { left: 100%; opacity: 0; }
}

.hd-base {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.hd-base span {
  padding: 8px 4px;
  text-align: center;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}

/* —— Stats band —— */
.stats {
  position: relative;
  z-index: 2;
  margin-top: -64px;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.stat {
  padding: 32px 30px;
  border-left: 1px solid var(--line);
}

.stat:first-child {
  border-left: none;
}

.stat__num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-num);
  font-size: 2.7rem;
  font-weight: 700;
  line-height: 1;
  color: var(--navy-900);
  margin-bottom: 10px;
}

.stat__num small {
  font-family: var(--font-cn);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.stat__num sup {
  font-size: 1.4rem;
  color: var(--brand);
  top: -0.6em;
}

.stat p {
  margin: 0;
  font-size: 0.9rem;
}

/* —— Page banner —— */
.page-banner {
  padding: calc(var(--nav-h) + 72px) 0 72px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.65);
}

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

.page-banner h1 {
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  margin-bottom: 14px;
}

.page-banner p {
  max-width: 40em;
  margin: 0;
  font-size: 1.05rem;
}

.banner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.banner-tags span {
  padding: 6px 14px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

/* —— Sections —— */
.section {
  padding: 104px 0;
}

.section + .section:not(.section--soft):not(.surface-dark) {
  border-top: 1px solid var(--line);
}

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

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

.section__head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section__head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section__head--center .eyebrow::after {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.section__head h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.25rem);
  margin-bottom: 16px;
}

.section__head p {
  font-size: 1.02rem;
  margin: 0;
}

.section__head--row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  max-width: none;
}

.section__head--row > div {
  max-width: 640px;
}

.lead-text {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.7;
  font-weight: 500;
  color: var(--ink);
  max-width: 36em;
  padding-left: 24px;
  border-left: 3px solid var(--brand);
  margin-bottom: 48px;
}

.surface-dark .lead-text {
  color: #fff;
}

/* grids */
.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); }

/* feature item */
.feature {
  position: relative;
  padding: 36px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.feature:hover {
  border-color: rgba(55, 110, 220, 0.35);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  border-radius: 6px;
  background: var(--brand-tint);
  color: var(--brand);
}

.feature__icon .icon {
  width: 26px;
  height: 26px;
}

.feature h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.feature p {
  margin: 0;
  font-size: 0.94rem;
}

.feature ul {
  margin-top: 16px;
}

.feature li {
  position: relative;
  padding: 6px 0 6px 16px;
  font-size: 0.92rem;
  color: var(--muted);
}

.feature li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.surface-dark .feature {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-dark);
}

.surface-dark .feature:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(61, 143, 224, 0.6);
  box-shadow: none;
}

.surface-dark .feature__icon {
  background: rgba(55, 110, 220, 0.3);
  color: #6f97e6;
}

.surface-dark .feature li {
  color: rgba(255, 255, 255, 0.7);
}

/* numbered items */
.numbered {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.numbered.grid-3,
.numbered.grid-4,
.numbered.grid-2 {
  border-top: none;
  gap: 40px;
}

.num-item {
  padding-top: 28px;
  border-top: 2px solid var(--ink);
}

.num-item__no {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-num);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.08em;
}

.num-item h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.num-item p {
  margin: 0;
  font-size: 0.95rem;
}

.num-item ul li {
  padding: 5px 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.surface-dark .num-item {
  border-top-color: rgba(255, 255, 255, 0.5);
}

.surface-dark .num-item__no {
  color: var(--accent);
}

/* solution cards */
.sol-card {
  display: flex;
  flex-direction: column;
  min-height: 250px;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.sol-card:hover {
  color: var(--ink);
  border-color: var(--brand);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.sol-card__tag {
  align-self: flex-start;
  margin-bottom: 20px;
  padding: 3px 10px;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--brand);
  background: var(--brand-tint);
  border-radius: 999px;
}

.sol-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.sol-card p {
  flex: 1;
  margin: 0 0 24px;
  font-size: 0.93rem;
}

.sol-card .link-arrow {
  color: var(--brand);
}

.sol-card:hover .link-arrow .icon {
  transform: translateX(3px);
}

/* split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split--5-7 { grid-template-columns: 5fr 7fr; }
.split--7-5 { grid-template-columns: 7fr 5fr; }
.split--top { align-items: start; }

.check-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.97rem;
}

.check-list li:last-child {
  border-bottom: none;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand-tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23376edc' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 11px no-repeat;
}

.surface-dark .check-list li {
  color: rgba(255, 255, 255, 0.88);
  border-bottom-color: var(--line-dark);
}

.surface-dark .check-list li::before {
  background-color: rgba(55, 110, 220, 0.35);
}

/* module header (sub-section inside a page) */
.module {
  padding-top: 56px;
  margin-top: 56px;
  border-top: 1px solid var(--line);
}

.module:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: none;
}

.module__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-num);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.12em;
}

.module h3 {
  font-size: 1.5rem;
  margin-bottom: 14px;
}

/* chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chips span {
  padding: 7px 16px;
  font-size: 0.88rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.surface-dark .chips span {
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-dark);
}

/* figure / zoom */
.figure {
  position: relative;
  margin: 0;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.figure img {
  display: block;
  width: 100%;
}

.figure figcaption {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--subtle);
  text-align: center;
}

.zoomable {
  cursor: zoom-in;
}

.figure__hint {
  position: absolute;
  right: 14px;
  top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 999px;
  pointer-events: none;
}

.figure__hint .icon {
  width: 14px;
  height: 14px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 48px;
  background: rgba(5, 15, 31, 0.88);
  cursor: zoom-out;
}

.lightbox.is-open {
  display: flex;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.lightbox__close {
  position: absolute;
  right: 24px;
  top: 18px;
  font-size: 2rem;
  line-height: 1;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
}

/* —— Architecture diagrams (HTML redraw) —— */
.arch {
  display: grid;
  gap: 10px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.arch-row {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 10px;
}

.arch-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  background: var(--navy-800);
  border-radius: var(--radius);
}

.arch-body {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.arch-body--brand {
  background: var(--brand);
  border-color: var(--brand);
}

.arch-body--navy {
  background: var(--navy-800);
  border-color: var(--navy-800);
}

.arch-tile {
  flex: 1 1 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 10px;
  text-align: center;
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 3px;
}

.arch-tile small {
  display: block;
  font-size: 0.75rem;
  color: var(--subtle);
}

.arch-tile--wide { flex-basis: 100%; }
.arch-tile--more { color: var(--subtle); }

.arch-group {
  flex: 1 1 300px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
}

.arch-group__name {
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: #ffe7a8;
}

.arch-group__tiles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.arch-cols {
  display: grid;
  gap: 10px;
}

.arch-col {
  padding: 16px;
  background: var(--brand);
  border-radius: var(--radius);
}

.arch-col h4 {
  margin-bottom: 12px;
  text-align: center;
  font-size: 1rem;
  color: #ffe7a8;
}

.arch-col .arch-tile {
  margin-bottom: 8px;
  min-height: 38px;
}

.arch-col .arch-tile:last-child {
  margin-bottom: 0;
}

.arch-bar {
  padding: 12px;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 500;
  color: #fff;
  background: var(--navy-800);
  border-radius: var(--radius);
}

.arch-bar--light {
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

.arch-bar--brand {
  background: var(--brand);
}

.arch-bar--gold {
  color: var(--navy-900);
  background: #f3e2b3;
}

.arch-side {
  display: grid;
  gap: 10px;
  align-content: stretch;
}

.arch-side > div {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  text-align: center;
  font-weight: 600;
  color: #fff;
  background: var(--navy-800);
  border-radius: var(--radius);
}

.arch-with-side {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 16px;
}

.arch-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--muted);
}

.arch-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.arch-legend i {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}

.tile-grid .arch-tile {
  min-height: 72px;
  font-weight: 500;
}

.arch-tile--brand {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

.arch-tile--muted {
  color: var(--muted);
  background: var(--bg-soft);
}

/* micro capability: 微服务松耦合示意图 */
.mc {
  display: grid;
  gap: 12px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.mc-bar {
  padding: 14px 16px;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  background: var(--navy-800);
  border-radius: 6px;
}
.mc-bar--brand { background: var(--brand); }
.mc-conn {
  position: relative;
  text-align: center;
  font-size: 0.75rem;
  color: var(--subtle);
  padding: 2px 0;
}
.mc-conn::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  border-top: 2px dotted var(--brand-light);
}
.mc-conn span {
  position: relative;
  background: #fff;
  padding: 0 10px;
}
.mc-gate {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.mc-gate__item {
  padding: 12px;
  text-align: center;
  background: var(--bg-soft);
  border: 1px dashed var(--brand);
  border-radius: 6px;
}
.mc-gate__item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--navy-900);
}
.mc-gate__item small {
  display: block;
  margin-top: 2px;
  font-size: 0.78rem;
  color: var(--muted);
}
.mc-bus {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 10px;
}
.mc-group {
  padding: 14px;
  border-radius: 8px;
}
.mc-group--brand { background: var(--brand); }
.mc-group--muted { background: var(--bg-soft); border: 1px solid var(--line); }
.mc-group__label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
}
.mc-group--muted .mc-group__label { color: var(--ink); }
.mc-group__label small { font-weight: 400; font-size: 0.75rem; opacity: 0.85; }
.mc-svcs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.mc-svc {
  padding: 7px 11px;
  font-size: 0.84rem;
  line-height: 1.3;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px dashed rgba(255, 255, 255, 0.4);
  color: #fff;
}
.mc-group--muted .mc-svc {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
}
.mc-bus--frame {
  border: 1.5px solid var(--brand-light);
  border-radius: 10px;
  padding: 12px;
}
.mc-subs { display: grid; gap: 8px; }
.mc-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
}
.mc-sub__label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--warning);
  white-space: nowrap;
}
.mc-base {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mc-base span {
  padding: 11px;
  text-align: center;
  font-size: 0.86rem;
  font-weight: 500;
  color: #fff;
  background: var(--navy-900);
  border-radius: 6px;
}
.mc-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--muted);
}
.mc-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.mc-dot { width: 14px; height: 14px; border-radius: 3px; }
.mc-dot--brand { background: var(--brand); }
.mc-dot--muted { background: var(--bg-soft); border: 1px solid var(--line); }
.mc-dot--dash { background: transparent; border: 1.5px dashed var(--brand-light); }
@media (max-width: 860px) {
  .mc-gate, .mc-bus, .mc-bus--frame {
  border: 1.5px solid var(--brand-light);
  border-radius: 10px;
  padding: 12px;
}
.mc-subs { display: grid; gap: 8px; }
.mc-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
}
.mc-sub__label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--warning);
  white-space: nowrap;
}
.mc-base { grid-template-columns: 1fr; }
  .mc { padding: 18px; }
}
/* flow diagram (design page) */
.flow {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: 16px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.flow-side {
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.flow-side h4 {
  margin-bottom: 4px;
  font-size: 1.05rem;
  text-align: center;
}

.flow-side small {
  display: block;
  margin-bottom: 16px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--brand);
  letter-spacing: 0.2em;
}

.flow-side li {
  padding: 8px 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink);
  border-top: 1px solid var(--line);
}

.flow-side--erp {
  display: flex;
  flex-direction: column;
}

.flow-side--erp .flow-erp {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  font-family: var(--font-num);
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  background: var(--navy-800);
  border-radius: var(--radius);
}

.flow-core {
  padding: 22px;
  border: 1px solid rgba(55, 110, 220, 0.35);
  border-radius: var(--radius);
  background: var(--brand-tint);
}

.flow-core > h4 {
  margin-bottom: 16px;
  text-align: center;
  font-size: 1.1rem;
  color: var(--brand);
}

.flow-drive {
  margin-bottom: 18px;
  padding: 12px;
  text-align: center;
  font-weight: 600;
  color: #fff;
  background: var(--brand);
  border-radius: var(--radius);
}

.flow-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 10px;
  align-items: start;
}

.flow-step {
  text-align: center;
}

.flow-step strong {
  display: block;
  padding: 12px 8px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--navy-800);
  border-radius: var(--radius);
}

.flow-step span {
  display: block;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--muted);
}

.flow-arrow {
  margin-top: 14px;
  color: var(--brand);
}

.flow-arrow .icon {
  width: 20px;
  height: 20px;
}

.flow-base {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.flow-base span {
  padding: 12px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy-800);
  border: 1px dashed rgba(13, 39, 72, 0.35);
  border-radius: var(--radius);
}

/* process chevrons */
.chevrons {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 6px;
}

.chevron {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  padding: 10px 28px;
  text-align: center;
  font-weight: 500;
  color: #fff;
  background: var(--navy-800);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 50%, calc(100% - 18px) 100%, 0 100%, 18px 50%);
}

.chevron:first-child {
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 50%, calc(100% - 18px) 100%, 0 100%);
}

.chevron--active {
  background: var(--brand);
}

.chevron small {
  display: block;
  font-size: 0.75rem;
  opacity: 0.7;
}

/* delivery mode spectrum */
.modes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: stretch;
}

.mode {
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.mode__step {
  font-family: var(--font-num);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--subtle);
  margin-bottom: 10px;
}

.mode h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  min-height: 3.1em;
}

.mode h5 {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: var(--subtle);
  letter-spacing: 0.08em;
}

.mode ul {
  margin-bottom: 20px;
}

.mode li {
  padding: 4px 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.mode--featured {
  position: relative;
  color: #fff;
  background: var(--navy-900);
  border-color: var(--navy-900);
  box-shadow: var(--shadow);
  transform: translateY(-12px);
}

.mode--featured h3,
.mode--featured .mode__step {
  color: #fff;
}

.mode--featured h5 {
  color: var(--accent);
}

.mode--featured li {
  color: rgba(255, 255, 255, 0.82);
}

.mode__badge {
  position: absolute;
  top: -12px;
  right: 20px;
  padding: 3px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--navy-900);
  background: var(--accent);
  border-radius: 999px;
}

.spectrum-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 14px;
  font-size: 0.85rem;
  color: var(--subtle);
  border-top: 1px solid var(--line);
}

/* cycle (service delivery) */
.cycle {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  counter-reset: cyc;
}

.cycle-node {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.cycle-node + .cycle-node {
  border-left: none;
}

.cycle-node::after {
  content: "";
  position: absolute;
  right: -9px;
  top: 50%;
  z-index: 1;
  width: 16px;
  height: 16px;
  background: #fff;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transform: translateY(-50%) rotate(45deg);
}

.cycle-node:last-child::after {
  display: none;
}

.cycle-node__out {
  display: block;
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--brand);
}

.cycle-node h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.cycle-node p {
  margin: 0;
  font-size: 0.9rem;
}

/* timeline */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  padding-top: 34px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--line), var(--brand));
}

.tl-item {
  position: relative;
  padding-top: 26px;
}

.tl-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: #fff;
}

.tl-item--key::before {
  background: var(--brand);
  box-shadow: 0 0 0 5px rgba(55, 110, 220, 0.15);
}

.tl-item time {
  display: block;
  font-family: var(--font-num);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.tl-item span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* vertical timeline (founded page) */
.vtimeline {
  position: relative;
  padding-left: 48px;
}

.vtimeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
}

.vt-item {
  position: relative;
  padding-bottom: 72px;
}

.vt-item:last-child {
  padding-bottom: 0;
}

.vt-item::before {
  content: "";
  position: absolute;
  left: -48px;
  top: 4px;
  width: 24px;
  height: 24px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: #fff;
  box-shadow: inset 0 0 0 5px #fff, inset 0 0 0 12px var(--brand);
}

.vt-item h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.vt-item h3 span {
  margin-right: 10px;
  font-family: var(--font-num);
  color: var(--brand);
}

.vt-item .figure {
  margin: 24px 0;
}

/* compare */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.compare__col {
  padding: 36px 36px 28px;
  background: #fff;
}

.compare__col h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.compare__col li {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--muted);
}

.compare__col li .icon {
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.compare__col--old li .icon {
  color: #b44b3c;
}

.compare__col--new {
  background: var(--navy-900);
}

.compare__col--new h3 {
  color: #fff;
}

.compare__col--new li {
  color: rgba(255, 255, 255, 0.85);
  border-top-color: var(--line-dark);
}

.compare__col--new li .icon {
  color: #7fbaf2;
}

.compare__tag {
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 999px;
  color: var(--muted);
  background: var(--bg-soft);
}

.compare__col--new .compare__tag {
  color: var(--navy-900);
  background: var(--accent);
}

/* case */
.case {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.case__main {
  padding: 56px;
}

.case__tag {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.surface-dark .case__quote {
  margin: 0 0 20px;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 600;
  line-height: 1.5;
  color: #fff;
}

.case__side {
  padding: 48px 44px;
  background: #fff;
}

.case__meta div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.case__meta div:first-child {
  padding-top: 0;
}

.case__meta dt {
  font-size: 0.8rem;
  color: var(--subtle);
  margin-bottom: 4px;
}

.case__meta dd {
  margin: 0;
  font-size: 0.96rem;
  color: var(--ink);
}

.case__highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line-dark);
}

.case__highlights strong {
  display: block;
  font-size: 1.05rem;
  color: #fff;
}

.case__highlights span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

/* quote band */
.quote-band {
  padding: 88px 0;
  text-align: center;
}

.quote-band blockquote {
  max-width: 760px;
  margin: 0 auto 20px;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 500;
  line-height: 1.7;
  color: #fff;
}

.quote-band blockquote em {
  font-style: normal;
  color: var(--accent);
}

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

.stat-card {
  padding: 32px;
  background: var(--navy-900);
  color: #fff;
  border-radius: 6px;
}

.stat-card strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-num);
  font-size: 2.6rem;
  line-height: 1.1;
  color: #fff;
}

.stat-card strong small {
  font-family: var(--font-cn);
  font-size: 1rem;
  font-weight: 500;
  margin-left: 4px;
  color: rgba(255, 255, 255, 0.7);
}

.stat-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
}

/* formula panel (policy) */
.formula {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.formula__item {
  padding: 28px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.formula__item h4 {
  margin-bottom: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
}

.formula__item strong {
  display: block;
  font-family: var(--font-num);
  font-size: 2.4rem;
  line-height: 1.2;
  color: var(--ink);
}

.formula__item span {
  font-size: 0.88rem;
  color: var(--subtle);
}

.formula__item--up strong {
  color: var(--brand);
}

/* page tabs */
.page-tabs {
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-tabs .container {
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.page-tabs a {
  flex-shrink: 0;
  padding: 18px 16px;
  font-size: 0.94rem;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.page-tabs a:hover,
.page-tabs a.is-active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

/* —— Contact —— */
.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: stretch;
}

.contact-cards {
  display: grid;
  gap: 14px;
}

.contact-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.contact-card .feature__icon {
  width: 44px;
  height: 44px;
  margin: 0;
}

.contact-card .feature__icon .icon {
  width: 22px;
  height: 22px;
}

.contact-card dt {
  font-size: 0.8rem;
  color: var(--subtle);
}

.contact-card dd {
  margin: 2px 0 0;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--ink);
}

.contact-card dd a {
  color: var(--ink);
}

.contact-card dd a:hover {
  color: var(--brand);
}

.contact-card--wechat img {
  width: 96px;
  height: 96px;
  border: 1px solid var(--line);
}

.map-box {
  width: 100%;
  height: 100%;
  min-height: 460px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-soft);
  overflow: hidden;
}

/* about subnav */
.subnav {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.subnav .container {
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.subnav a {
  flex-shrink: 0;
  padding: 18px 16px;
  color: var(--muted);
  font-size: 0.94rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.subnav a.is-active,
.subnav a:hover {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

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

.culture-card {
  padding: 40px 36px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand);
  border-radius: 6px;
}

.culture-card__en {
  display: block;
  margin-bottom: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--subtle);
  text-transform: uppercase;
}

.culture-card h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.culture-card li {
  padding: 8px 0;
  font-size: 1rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.culture-card--lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
}

.hl {
  color: var(--brand);
  font-weight: 700;
}

/* —— Lead / CTA form —— */
.lead {
  padding: 104px 0;
}

.lead.surface-dark {
  background: linear-gradient(120deg, #1e3368 0%, var(--navy-900) 70%);
}

.lead__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: center;
}

.lead__copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 18px;
}

.lead__copy .check-list {
  margin-top: 28px;
}

.lead__form {
  padding: 40px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
}

.lead__fields {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 20px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
}

.field label em {
  font-style: normal;
  color: #9e6e26;
  margin-left: 2px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.field textarea {
  min-height: 96px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(55, 110, 220, 0.12);
}

.error-message {
  display: none;
  margin-top: 6px;
  font-size: 0.8rem;
  color: #9e6e26;
}

.lead__submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 26px;
}

.lead__submit small {
  font-size: 0.8rem;
  color: var(--subtle);
}

/* —— Footer —— */
.site-footer {
  padding: 80px 0 0;
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.65);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand img {
  height: 46px;
  width: auto;
  margin-bottom: 20px;
}

.footer-brand p {
  max-width: 24em;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact {
  display: flex;
  gap: 24px;
  margin-top: 24px;
}

.footer-contact ul li {
  display: flex;
  gap: 10px;
  padding: 4px 0;
  font-size: 0.88rem;
}

.footer-contact .icon {
  width: 16px;
  height: 16px;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-wechat {
  text-align: center;
  flex-shrink: 0;
}

.footer-wechat img {
  width: 92px;
  height: 92px;
  padding: 4px;
  background: #fff;
  border-radius: 4px;
}

.footer-wechat span {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
}

.footer-grid h3 {
  margin-bottom: 18px;
  font-size: 0.95rem;
  color: #fff;
}

.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.copyright {
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

.copyright .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}

.copyright a {
  color: rgba(255, 255, 255, 0.55);
}

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

.copyright img {
  width: 14px;
  height: 14px;
  margin-right: 4px;
  vertical-align: -2px;
}

/* —— Modal —— */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  background: rgba(5, 15, 31, 0.55);
}

.modal.is-open {
  display: flex;
}

.modal__panel {
  position: relative;
  width: 90%;
  max-width: 420px;
  padding: 36px 32px 28px;
  text-align: center;
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.modal__panel p {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}

.modal__close {
  position: absolute;
  right: 14px;
  top: 10px;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--subtle);
  background: none;
  border: none;
  cursor: pointer;
}

/* —— Back to top —— */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(8, 26, 51, 0.1);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.back-top .icon {
  width: 18px;
  height: 18px;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero__copy > *,
  .hero-diagram {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .hd-arrow::after {
    animation: none;
  }
}

/* —— Responsive —— */
@media (hover: hover) and (min-width: 1081px) {
  .nav-dropdown:hover .mega {
    display: grid;
    grid-template-columns: 220px 1fr;
  }

  .nav-dropdown:hover .nav-caret {
    transform: rotate(180deg);
  }
}

@media (max-width: 1080px) {
  .hero__grid,
  .split,
  .split--5-7,
  .split--7-5,
  .contact-grid,
  .lead__grid,
  .case,
  .arch-with-side {
    grid-template-columns: 1fr;
  }

  .hero__grid {
    gap: 48px;
  }

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

  .mode--featured {
    transform: none;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

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

  .timeline {
    grid-template-columns: repeat(4, 1fr);
    row-gap: 32px;
  }

  .timeline::before {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(340px, 88vw);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 88px 24px 32px;
    color: var(--ink);
    background: #fff;
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
  }

  body.nav-open .site-nav {
    transform: none;
  }

  .site-nav > a,
  .nav-dropdown > button {
    width: 100%;
    height: auto;
    justify-content: space-between;
    padding: 15px 4px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav > a.is-active::after,
  .nav-dropdown > button.is-active::after {
    display: none;
  }

  .site-nav > a.is-active,
  .nav-dropdown > button.is-active {
    color: var(--brand);
  }

  .site-nav > .nav-cta {
    margin: 24px 0 0;
    justify-content: center;
    padding: 13px;
    border-bottom: none;
  }

  .mega {
    position: static;
    width: auto;
    transform: none;
    border: none;
    box-shadow: none;
  }

  .nav-dropdown.is-open .mega {
    display: block;
  }

  .mega__intro {
    display: none;
  }

  .mega__cols {
    grid-template-columns: 1fr;
    padding: 8px 0 12px 12px;
  }

  .nav-toggle {
    position: relative;
    z-index: 1002;
  }

  body.nav-open .nav-toggle {
    color: var(--ink);
  }
}

@media (max-width: 760px) {
  :root {
    --nav-h: 64px;
  }

  .container,
  .site-header__inner {
    padding: 0 20px;
  }

  .brand,
  .brand__logo {
    height: 36px;
  }

  .section,
  .lead {
    padding: 72px 0;
  }

  .hero {
    padding: calc(var(--nav-h) + 48px) 0 110px;
  }

  .hd-flow {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hd-arrow {
    display: none;
  }

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

  .stats__grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .modes,
  .culture,
  .compare,
  .stat-cards,
  .formula,
  .cycle {
    grid-template-columns: 1fr;
  }

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

  .stat {
    padding: 24px 20px;
    border-top: 1px solid var(--line);
  }

  .stat:nth-child(-n + 2) {
    border-top: none;
  }

  .stat:nth-child(odd) {
    border-left: none;
  }

  .stat__num {
    font-size: 2.1rem;
  }

  .cycle-node + .cycle-node {
    border-left: 1px solid var(--line);
    border-top: none;
  }

  .cycle-node::after {
    display: none;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    margin: 0 auto;
    transform: rotate(90deg);
  }

  .chevrons {
    grid-auto-flow: row;
  }

  .chevron,
  .chevron:first-child {
    clip-path: none;
    min-height: 52px;
  }

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

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

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

  .case__main,
  .case__side,
  .lead__form,
  .compare__col {
    padding: 32px 24px;
  }

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

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

  .lead__submit {
    flex-direction: column;
    align-items: stretch;
  }

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

  .footer-contact {
    flex-direction: column;
  }

  .section__head--row {
    flex-direction: column;
    align-items: flex-start;
  }

  .lightbox {
    padding: 16px;
  }
}

/* 名称解析 */
.name-analysis {
  margin-top: 6px;
}
.name-analysis__block + .name-analysis__block {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.name-analysis h3 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}
.name-analysis h3 em {
  font-style: normal;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
}
.name-analysis h3 span {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brand);
}
.name-analysis__lead {
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 14px;
}
.name-analysis__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.name-analysis__list li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.name-analysis__list li:first-child {
  border-top: none;
}
.name-analysis__list strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.name-analysis__list li span {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}
/* 产品名称 */
.product-name__title {
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 14px;
}
.product-name__title strong {
  color: var(--brand);
}
.product-name p:not(.product-name__title) {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 12px;
}
.product-name p:last-child {
  margin-bottom: 0;
}
/* 名称解析：通睿左右并列 + logo 后置 */
.name-analysis--cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.name-analysis--cols .name-analysis__block + .name-analysis__block {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  border-left: 1px solid var(--line);
  padding-left: 40px;
}

@media (max-width: 768px) {
  .name-analysis--cols {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .name-analysis--cols .name-analysis__block + .name-analysis__block {
    border-left: none;
    padding-left: 0;
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
  }
  .name-analysis__logo {
    margin-top: 32px;
  }
}
/* 名称解析：logo 处于页面横向中间 */
.name-analysis-head {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-bottom: 24px;
}
.name-analysis-head .name-analysis__logo {
  grid-column: 2;
  transform: translateY(-32px);
}
.name-analysis-head .section__head {
  grid-column: 1;
}
@media (max-width: 768px) {
  .name-analysis-head {
    grid-template-columns: 1fr;
  }
  .name-analysis-head .name-analysis__logo {
    transform: none;
    margin-top: 12px;
  }
}
/* 公司简介独立段 */
.profile-block {
  margin-top: 40px;
}
.profile-block:first-of-type {
  margin-top: 12px;
}
.profile-block h3 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 12px;
}
.profile-block p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 960px;
}
.profile-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.profile-block ul li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 1rem;
  color: var(--muted);
  max-width: 640px;
}
.profile-block ul li:first-child {
  border-top: none;
}
.product-services {
  margin-top: 48px;
}
.product-services > h3 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 12px;
}
.product-services .profile-block {
  margin-top: 24px;
}
.product-services .profile-block h4 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.product-services .profile-block h4 .sec-no {
  color: var(--brand);
  margin-right: 8px;
  font-size: 1rem;
}
.product-services .profile-block p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 960px;
}
/* 简介页图文媒体段 */
.profile-media {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 40px;
  align-items: center;
  margin-top: 44px;
}
.profile-media:first-of-type {
  margin-top: 12px;
}
.profile-media--rev .profile-media__img {
  order: 2;
}
.profile-media__img img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(38, 64, 130, 0.14);
}
.profile-media__text h3 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 12px;
}
.profile-media__text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 640px;
}
.profile-media__text ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.profile-media__text ul li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 1rem;
  color: var(--muted);
  max-width: 640px;
}
.profile-media__text ul li:first-child {
  border-top: none;
}
.product-services {
  margin-top: 56px;
}
.product-services > h3 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 12px;
}
.product-services .profile-media {
  margin-top: 8px;
}
.product-services .profile-block {
  margin-top: 22px;
}
.product-services .profile-block:first-of-type {
  margin-top: 0;
}
.product-services .profile-block h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.product-services .profile-block h4 .sec-no {
  color: var(--brand);
  margin-right: 8px;
  font-size: 1rem;
}
.product-services .profile-block p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 720px;
}
@media (max-width: 860px) {
  .profile-media {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .profile-media--rev .profile-media__img {
    order: 0;
  }
}
/* 发展历程时间线 */
.milestones {
  margin-top: 56px;
}
.milestones > h3 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 24px;
}
.milestones__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.milestones__list::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(#376edc, #6f97e6);
}
.milestones__item {
  position: relative;
  padding: 0 0 26px 44px;
}
.milestones__item:last-child {
  padding-bottom: 0;
}
.milestones__item::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-tint);
}
.milestones__year {
  display: inline-block;
  min-width: 56px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--brand-dark);
  vertical-align: top;
}
.milestones__body {
  display: inline-block;
  max-width: calc(100% - 72px);
}
.milestones__body h4 {
  display: inline;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.8;
}
/* 首页业财一体化自动化示意 */
.hd-auto {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 6px;
}
.hd-auto__card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  padding: 14px 14px 10px;
}
.hd-auto__card--core {
  border-color: var(--brand);
  background: rgba(55, 110, 220, 0.12);
  box-shadow: 0 0 0 1px rgba(55, 110, 220, 0.35);
}
.hd-auto__head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}
.hd-auto__no {
  color: var(--brand-light);
  font-weight: 700;
  font-size: 0.88rem;
}
.hd-auto__head h4 {
  font-size: 0.95rem;
  color: #fff;
  margin: 0;
  font-weight: 600;
}
.hd-auto__head small {
  display: block;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 400;
}
.hd-auto__card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hd-auto__card li {
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  padding: 4px 0 4px 14px;
  position: relative;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
}
.hd-auto__card li:first-child {
  border-top: none;
}
.hd-auto__card li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 13px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand-light);
}
@media (max-width: 900px) {
  .hd-auto {
    grid-template-columns: 1fr;
  }
}
.flow-bridge {
  display: block;
  margin: -6px 0 8px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--brand);
  letter-spacing: 0.2em;
}
/* 首页 hero 单列 */
.hero__grid--solo {
  display: block;
  text-align: center;
}
.hero__grid--solo .hero__copy {
  margin: 0 auto;
  max-width: 860px;
}
.hero__grid--solo .hero__actions {
  justify-content: center;
}

/* 方案总体架构浅色版 */
.hd-auto--light {
  margin-top: 24px;
}

.hd-auto--light .hd-auto__card {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(38, 64, 130, 0.06);
}
.hd-auto--light .hd-auto__card--core {
  border-color: var(--brand);
  background: var(--brand-tint);
  box-shadow: 0 0 0 1px var(--brand);
}
.hd-auto--light .hd-auto__no {
  color: var(--brand);
}
.hd-auto--light .hd-auto__head h4 {
  color: var(--ink);
}
.hd-auto--light .hd-auto__head small {
  color: var(--muted);
}
.hd-auto--light .hd-auto__card li {
  color: var(--ink);
  border-top-color: var(--line);
}
.hd-auto--light .hd-auto__card li::before {
  background: var(--brand-light);
}
/* 方案总体架构 · 美化 */
#feature2 {
  position: relative;
  background:
    radial-gradient(620px 280px at 88% -12%, rgba(55, 110, 220, 0.12), transparent 62%),
    radial-gradient(560px 260px at 6% 112%, rgba(34, 197, 94, 0.07), transparent 60%),
    var(--bg-soft);
}
#feature2 .container {
  position: relative;
  z-index: 1;
}
#feature2 .section__head .eyebrow {
  color: var(--brand);
  font-weight: 600;
  letter-spacing: 0.32em;
}
#feature2 .section__head .eyebrow::after {
  content: "";
  display: inline-block;
  width: 36px;
  height: 2px;
  margin-left: 12px;
  vertical-align: middle;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  opacity: 0.7;
}
#feature2 .section__head h2 {
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}
#feature2 .hd-auto {
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
  align-items: stretch;
}
#feature2 .hd-auto__card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 18px 18px 12px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid #e3e9f6;
  box-shadow: 0 10px 28px rgba(38, 64, 130, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
#feature2 .hd-auto__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
  opacity: 0.9;
}
#feature2 .hd-auto__card--core {
  border-color: rgba(55, 110, 220, 0.55);
  background: #fff;
  box-shadow: 0 14px 32px rgba(55, 110, 220, 0.18);
}
#feature2 .hd-auto__card--core::before {
  background: linear-gradient(90deg, var(--brand), var(--accent));
}
#feature2 .hd-auto__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(38, 64, 130, 0.13);
}
#feature2 .hd-auto__head {
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
#feature2 .hd-auto__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-family: var(--font-num);
  font-size: 1.02rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 6px 14px rgba(34, 197, 94, 0.28);
}
#feature2 .hd-auto__card--core .hd-auto__no {
  background: linear-gradient(135deg, var(--accent), #1aa74f);
}
#feature2 .hd-auto__head h4 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--ink);
}
#feature2 .hd-auto__head small {
  display: block;
  margin-top: 2px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--brand);
}
#feature2 .hd-auto__card ul {
  flex: 1;
  padding: 8px 0 4px;
}
#feature2 .hd-auto__card li {
  padding: 10px 6px 10px 24px;
  font-size: 0.92rem;
  color: #3a4766;
  border-top: 1px solid #edf1f9;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}
#feature2 .hd-auto__card li:first-child {
  border-top: 0;
}
#feature2 .hd-auto__card li::before {
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(55, 110, 220, 0.12);
}
#feature2 .hd-auto__card li:hover {
  color: var(--brand);
  background: rgba(55, 110, 220, 0.05);
}
@media (max-width: 860px) {
  #feature2 .hd-auto {
    grid-template-columns: 1fr;
  }
}
/* 方案价值框体 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}
.value-item {
  background: #fff;
  border: 1px solid #e3e9f6;
  border-radius: 14px;
  padding: 24px 16px 20px;
  text-align: center;
  box-shadow: 0 8px 22px rgba(38, 64, 130, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.value-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(38, 64, 130, 0.12);
  border-color: rgba(55, 110, 220, 0.45);
}
.value-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border-radius: 13px;
  color: var(--brand);
  background: linear-gradient(135deg, var(--brand-tint), #f2f6ff);
}
.value-item__icon svg {
  width: 25px;
  height: 25px;
}
.value-item h4 {
  margin-bottom: 5px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.value-item p {
  font-size: 0.86rem;
  color: var(--muted);
}
@media (max-width: 860px) {
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .value-grid {
    grid-template-columns: 1fr;
  }
}
/* 方案总体架构 · 数据行交替配色 */
#feature2 .hd-auto__card li {
  margin: 6px 0;
  border-top: 0;
  border-radius: 9px;
  background: #f0f6fe;
  color: #3a4766;
}
#feature2 .hd-auto__card li:nth-child(even) {
  background: #fff;
}
#feature2 .hd-auto__card li::before {
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(55, 110, 220, 0.12);
}
#feature2 .hd-auto__card li:hover {
  background: #e2edfc;
}
#feature2 .hd-auto__card li:nth-child(even):hover {
  background: #eef3fb;
}
/* 方案总体架构 · 收紧与上一段间距 */
#feature2 {
  padding-top: 20px;
}
/* 方案价值 · 收紧与上一段间距 */
#feature3 {
  padding-top: 20px;
}
/* 首页 hero 业财融合示意图 */
.fusion {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-dark);
  border-radius: 16px;
}
.fusion__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.fusion__block {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 14px;
}
.fusion__block h4 {
  margin-bottom: 8px;
  font-size: 1rem;
  color: #fff;
}
.fusion__block p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.75);
}
.fusion__core {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
}
.fusion__core-labels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.fusion__core-labels span {
  padding: 4px 12px;
  font-size: 0.78rem;
  color: var(--brand-light);
  border: 1px dashed rgba(111, 151, 230, 0.5);
  border-radius: 20px;
  white-space: nowrap;
}
.fusion__core-center {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  text-align: center;
  font-size: 1.02rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #1c3e9e);
  box-shadow: 0 10px 26px rgba(55, 110, 220, 0.4);
}
.fusion__stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.fusion__stage {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 12px;
}
.fusion__stage-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-bottom: 6px;
  border-radius: 50%;
  font-size: 0.72rem;
  color: #fff;
  background: var(--accent);
}
.fusion__stage h5 {
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: #fff;
}
.fusion__stage p {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 860px) {
  .fusion__stages {
    grid-template-columns: repeat(2, 1fr);
  }
}
/* 首页 hero 业财融合示意图（无核心块版） */
.fusion__core,
.fusion__core-labels,
.fusion__core-center {
  display: none;
}
/* 首页 hero 布局：示意图加宽 */
.hero__grid {
  grid-template-columns: 0.85fr 1.25fr;
  gap: 48px;
}
.hero__lead {
  max-width: 46em;
  font-size: 1rem;
}
@media (max-width: 1080px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__lead {
    max-width: 100%;
  }
}
/* 技术方案页 快捷定位 */
.quick-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  padding: 26px 20px 4px;
}
.quick-nav a {
  padding: 10px 22px;
  border: 1px solid rgba(55, 110, 220, 0.3);
  border-radius: 999px;
  background: #fff;
  color: var(--brand);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.25s ease;
}
.quick-nav a:hover {
  background: var(--brand);
  color: #fff;
}
main section[id],
main section[id] {
  scroll-margin-top: 78px;
}

/* 品牌宣传语 */
.slogan-box {
  text-align: center;
  padding: 44px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.slogan-box__main {
  font-size: 2rem;
  font-weight: 800;
  color: var(--brand);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.slogan-box__sub {
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: 0.1em;
}

/* 方案交付体系 */
.df-flow {
  display: flex;
  gap: 18px;
  align-items: stretch;
}
.df-stage {
  flex: 1;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
  position: relative;
}
.df-stage__tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand);
  background: #F0F6FE;
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.df-stage h4 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--ink);
}
.df-stage--core {
  border-color: var(--brand);
  box-shadow: 0 10px 24px rgba(55, 110, 220, 0.12);
}
.df-sub {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.df-sub span {
  font-size: 0.82rem;
  color: var(--ink);
  background: #F0F6FE;
  border: 1px solid #DCE8FA;
  border-radius: 999px;
  padding: 4px 12px;
}
.df-arrow {
  align-self: center;
  color: var(--brand);
  font-size: 1.3rem;
  font-weight: 800;
}
.df-control {
  margin-top: 22px;
  background: #264082;
  color: #fff;
  border-radius: 14px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.df-control b {
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.df-control span {
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 5px 14px;
}
.df-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
}
.df-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}
.df-card h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 14px;
}
.df-card h4 i {
  font-style: normal;
  font-weight: 800;
  color: var(--brand);
}
.df-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.df-card li {
  padding: 7px 0;
  border-top: 1px dashed #E5EDFA;
  font-size: 0.88rem;
  color: var(--muted);
}
.df-card li:first-child {
  border-top: none;
}
.df-mgmt {
  display: flex;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.df-mgmt div {
  flex: 1;
  min-width: 150px;
  background: linear-gradient(180deg, #F0F6FE, #fff);
  border: 1px solid #DCE8FA;
  border-radius: 12px;
  padding: 18px 16px;
  text-align: center;
}
.df-mgmt div b {
  display: block;
  font-size: 1rem;
  color: var(--brand);
}
@media (max-width: 768px) {
  .df-flow {
    flex-direction: column;
  }
  .df-arrow {
    transform: rotate(90deg);
    align-self: center;
  }
  .df-grid {
    grid-template-columns: 1fr;
  }
}