:root {
  --bg: #f6f8fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --surface-soft: #f2f5fc;
  --line: rgba(85, 118, 195, 0.12);
  --line-strong: rgba(85, 118, 195, 0.2);
  --text: #17293a;
  --text-body: #3d4f63;
  --text-soft: #5b6b7d;
  --text-muted: #73879b;
  --brand: #5296ff;
  --brand-dark: #3f7ceb;
  --brand-ink: #3f7ceb;
  --accent: #45cc72;
  --accent-soft: #e3f7ea;
  --shadow: 0 24px 70px rgba(52, 95, 160, 0.09);
  --shadow-soft: 0 14px 36px rgba(52, 95, 160, 0.07);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1120px;
  /* 页头实际高度：脚本按实测值刷新，首屏用它算「一屏铺满」 */
  --header-h: 83px;
  --transition: 220ms ease;
  --gradient-hero: linear-gradient(135deg, rgba(82, 150, 255, 0.09), rgba(63, 124, 235, 0.08) 55%, rgba(69, 204, 114, 0.11));
  --gradient-brand: linear-gradient(135deg, #74abff, #5296ff 52%, #3f7ceb);
  --gradient-soft: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(243, 250, 247, 0.92));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(69, 204, 114, 0.11), transparent 30%),
    radial-gradient(circle at top right, rgba(63, 124, 235, 0.1), transparent 26%),
    radial-gradient(circle at 60% 8%, rgba(82, 150, 255, 0.08), transparent 28%),
    var(--bg);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(63, 124, 235, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82, 150, 255, 0.026) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.65), transparent 72%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 96px 0;
}

.section:nth-of-type(even) {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.46), rgba(245, 248, 253, 0.28));
}

.problems,
.products,
.proof {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(242, 250, 247, 0.74));
}

.solutions,
.outcomes,
.pricing {
  background: linear-gradient(180deg, rgba(246, 248, 253, 0.15), rgba(255, 255, 255, 0.48));
}

.cases,
.contact {
  background: linear-gradient(180deg, rgba(245, 248, 253, 0.72), rgba(255, 255, 255, 0.62));
}

.topbar {
  background: linear-gradient(90deg, #eef3fd, #f7fbff);
  color: #39557f;
  font-size: 14px;
  border-bottom: 1px solid rgba(85, 118, 195, 0.08);
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  min-height: 42px;
}

.topbar__inner p,
.topbar__inner a {
  margin: 0;
}

.topbar__inner a {
  color: var(--brand-dark);
  font-weight: 700;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(250, 253, 251, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.75);
}

.header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 82px;
}

/* 常规网站式头部：内容区比正文容器更宽，logo 贴近左缘 */
@media (min-width: 1181px) {
  .header .header__inner {
    width: min(calc(100% - 80px), 1520px);
  }
}

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

.brand__mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--gradient-brand);
  color: #f0fbf4;
  font-weight: 800;
  font-size: 24px;
  box-shadow: 0 12px 24px rgba(82, 150, 255, 0.16);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 5px;
  line-height: 1.2;
}

.brand__text strong {
  font-size: 20px;
}

.brand__text small {
  color: var(--text-soft);
  font-size: 12px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 15px;
  color: var(--text-soft);
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--gradient-brand);
  transition: transform var(--transition);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--primary {
  color: #ffffff;
  background: var(--gradient-brand);
  box-shadow: 0 18px 32px rgba(82, 150, 255, 0.18);
}

.button--secondary {
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(82, 150, 255, 0.16);
}

.button--ghost {
  color: var(--text-soft);
  background: transparent;
  border-color: var(--line);
}

.button--large {
  min-height: 54px;
  padding: 0 28px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle.is-open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  overflow: hidden;
  padding-top: 42px;
  padding-bottom: 46px;
  min-height: calc(100vh - 124px);
  display: flex;
  align-items: center;
}

.hero__aurora {
  position: absolute;
  inset: auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(20px);
  pointer-events: none;
}

.hero__aurora--left {
  left: -120px;
  top: 60px;
  background: radial-gradient(circle, rgba(82, 150, 255, 0.16), transparent 70%);
}

.hero__aurora--right {
  right: -130px;
  bottom: 40px;
  background: radial-gradient(circle, rgba(63, 124, 235, 0.13), transparent 68%);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(392px, 0.92fr);
  gap: 44px;
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__content::before {
  content: "";
  position: absolute;
  left: -28px;
  top: -32px;
  width: 96px;
  height: 96px;
  border-left: 2px solid rgba(69, 204, 114, 0.42);
  border-top: 2px solid rgba(69, 204, 114, 0.42);
  border-radius: 26px 0 0 0;
  opacity: 0.8;
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(82, 150, 255, 0.12);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.eyebrow--dark {
  background: rgba(82, 150, 255, 0.08);
}

.hero h1 {
  margin: 12px 0 12px;
  max-width: 680px;
  font-size: clamp(38px, 4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.012em;
}

.hero h1::selection,
.section-heading h2::selection {
  background: rgba(69, 204, 114, 0.28);
}

.hero__lead {
  max-width: 700px;
  margin: 0;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.66;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.hero__highlights {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  color: var(--text-muted);
}

.hero__highlights li {
  position: relative;
  padding-left: 24px;
}

.hero__highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}

.hero__panel {
  display: grid;
  gap: 10px;
  transform: translateY(0);
}

.hero-card {
  position: relative;
  padding: 20px 22px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 251, 248, 0.94));
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.55), transparent 34%);
}

.hero-card__header h2 {
  margin: 8px 0 0;
  font-size: 20px;
  line-height: 1.22;
}

.hero-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.hero-matrix article {
  min-height: 96px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.hero-matrix article:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(82, 150, 255, 0.22);
}

.hero-matrix strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.hero-matrix p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.48;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-grid article {
  min-height: 94px;
  padding: 14px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(235, 242, 254, 0.94));
  color: var(--text);
  border: 1px solid rgba(82, 150, 255, 0.12);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.stat-grid article::after {
  content: "";
  position: absolute;
  right: -36px;
  top: -36px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: rgba(69, 204, 114, 0.18);
}

.stat-grid strong {
  font-size: 28px;
  line-height: 1;
  color: var(--brand-dark);
}

.stat-grid span {
  color: var(--text-soft);
  font-size: 14px;
}

.trust-strip__list {
  --logo-scale: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.trust-strip__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.trust-strip__list span {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  max-width: 100%;
  height: 70px;
  padding: 0 20px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 24px rgba(52, 95, 160, 0.05);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.trust-strip__list span:hover {
  border-color: rgba(82, 150, 255, 0.4);
  box-shadow: 0 16px 32px rgba(52, 95, 160, 0.1);
  transform: translateY(-2px);
}

.partner-logo {
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.partner-logo[src*="tcare"] { height: calc(28px * var(--logo-scale)); }
.partner-logo[src*="irebjast"] { height: calc(28px * var(--logo-scale)); }
.partner-logo[src*="craes"] { height: calc(26px * var(--logo-scale)); }
.partner-logo[src*="bjhkys"] { height: calc(32px * var(--logo-scale)); }
.partner-logo[src*="saes"] { height: calc(21px * var(--logo-scale)); }

.partner-logo[src*="ncwu"] {
  height: calc(34px * var(--logo-scale));
}

.partner-logo[src*="tynu"] {
  height: calc(34px * var(--logo-scale));
}

.partner-logo[src*="yonker"] { height: calc(34px * var(--logo-scale)); }
.partner-logo[src*="als"] { height: calc(34px * var(--logo-scale)); }

@media (max-width: 1176px) and (min-width: 981px) {
  .trust-strip__list {
    --logo-scale: 0.82;
  }
}

.section-heading {
  max-width: 920px;
  margin-bottom: 42px;
}

.section-heading h2 {
  margin: 18px 0 14px;
  font-size: clamp(32px, 3.7vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 0;
  font-size: 18px;
  line-height: 1.85;
  color: var(--text-body);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.problem-card,
.pricing-card,
.case-card,
.outcome-card,
.solution-card,
.founder-card,
.proof-panel,
.contact__content {
  background: var(--gradient-soft);
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.problem-card:hover,
.pricing-card:hover,
.case-card:hover,
.outcome-card:hover,
.solution-card:hover,
.founder-card:hover,
.proof-panel:hover {
  transform: translateY(-5px);
  border-color: rgba(82, 150, 255, 0.22);
  box-shadow: 0 24px 58px rgba(22, 36, 52, 0.12);
}

.problem-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  min-height: 268px;
}

.problem-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: rgba(82, 150, 255, 0.12);
  color: var(--brand-dark);
  font-weight: 800;
}

.problem-card h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  line-height: 1.2;
}

.problem-card p {
  margin: 0;
  line-height: 1.78;
  color: var(--text-soft);
}

.solution-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.solution-card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 300px;
}

.solution-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), rgba(69, 204, 114, 0.9));
}

.solution-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(82, 150, 255, 0.12), rgba(69, 204, 114, 0.16));
  color: var(--brand-dark);
  font-weight: 800;
}

.solution-card h3 {
  margin: 18px 0 12px;
  font-size: 22px;
}

.solution-card ul,
.pricing-card ul,
.case-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-body);
}

.product-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(22, 36, 52, 0.06);
}

.product-tabs__button {
  min-height: 46px;
  padding: 0 18px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
  font-weight: 700;
  cursor: pointer;
}

.product-tabs__button.is-active {
  color: #ffffff;
  background: var(--gradient-brand);
  box-shadow: 0 14px 28px rgba(82, 150, 255, 0.18);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: var(--gradient-soft);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  opacity: 0.82;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(82, 150, 255, 0.22);
  box-shadow: 0 28px 64px rgba(22, 36, 52, 0.12);
}

.product-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.product-card__eyebrow {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-dark);
  background: rgba(82, 150, 255, 0.1);
}

.product-card__status {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(63, 124, 235, 0.08);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
}

.product-card h3 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.15;
}

.product-card p {
  margin: 0;
  color: var(--text-soft);
}

.product-card dl {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
}

.product-card dl div {
  padding-top: 12px;
  border-top: 1px solid rgba(30, 48, 70, 0.08);
}

.product-card dt {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 800;
}

.product-card dd {
  margin: 6px 0 0;
  color: var(--text);
  font-weight: 600;
}

.product-card__actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 24px;
}

.product-card__actions .button {
  flex: 1;
}

.outcomes__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: 48px;
  align-items: start;
}

.outcome-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.outcome-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  min-height: 188px;
}

.outcome-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.outcome-card p {
  margin: 0;
  color: var(--text-soft);
}

.case-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  display: flex;
  flex-direction: column;
  min-height: 520px;
}

.case-card__cover {
  min-height: 168px;
  padding: 24px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  position: relative;
}

.case-card__cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
}

.case-card__cover span {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--brand-dark);
  border: 1px solid rgba(255, 255, 255, 0.72);
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.case-card__cover--steel {
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.3), transparent 24%),
    linear-gradient(135deg, rgba(63, 124, 235, 0.72), rgba(82, 150, 255, 0.64));
}

.case-card__cover--landfill {
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.32), transparent 24%),
    linear-gradient(135deg, rgba(82, 150, 255, 0.68), rgba(69, 204, 114, 0.56));
}

.case-card__cover--platform {
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.32), transparent 24%),
    linear-gradient(135deg, rgba(69, 204, 114, 0.58), rgba(63, 124, 235, 0.66));
}

.case-card__body {
  padding: 24px;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.case-card__body h3 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.2;
}

.case-card__body p {
  margin: 0 0 16px;
  color: var(--text-body);
}

.case-card__body ul {
  margin-top: auto;
}

.proof__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 28px;
  align-items: stretch;
}

.proof-panel,
.founder-card {
  padding: 30px;
  border-radius: var(--radius-xl);
  min-height: 100%;
}

.proof-panel h2,
.founder-card h3 {
  margin: 16px 0 12px;
  line-height: 1.15;
}

.proof-panel p,
.founder-card p,
.founder-card dd {
  color: var(--text-soft);
}

.proof-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.founder-card dl {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}

.founder-card dt {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.founder-card dd {
  margin: 6px 0 0;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-radius: var(--radius-lg);
  min-height: 380px;
}

.pricing-card--featured {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(235, 242, 254, 0.98));
  border: 1px solid rgba(82, 150, 255, 0.2);
  transform: translateY(-12px);
}

.pricing-card--featured:hover {
  transform: translateY(-17px);
}

.pricing-card--featured::before {
  content: "推荐路径";
  position: absolute;
  right: 24px;
  top: 24px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(69, 204, 114, 0.15);
  color: #2f5f42;
  font-size: 12px;
  font-weight: 800;
}

.pricing-card__label {
  display: inline-flex;
  align-self: flex-start;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(82, 150, 255, 0.1);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.pricing-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.pricing-card .pricing-card__head h3 {
  margin: 0;
}

.pricing-card__head .pricing-card__label {
  align-self: center;
}

.pricing-card h3 {
  margin: 16px 0 10px;
  font-size: 28px;
  line-height: 1.15;
}

.pricing-card p {
  margin: 0 0 14px;
  color: var(--text-body);
}

.pricing-card .button {
  margin-top: auto;
}

.contact__content {
  padding: 30px;
  border-radius: var(--radius-xl);
}

.contact__content h2 {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.25;
  text-align: center;
  text-wrap: balance;
}

.contact__content > p:not(.contact__note) {
  margin: 0;
  text-align: center;
  text-wrap: pretty;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 132px;
  align-items: stretch;
  max-width: 890px;
  margin: 26px auto 0;
}

.contact-list__rows {
  display: grid;
  grid-template-columns: max-content max-content max-content;
  justify-content: center;
  align-content: center;
  align-items: baseline;
  gap: 18px 16px;
  min-height: 256px;
  padding: 20px 24px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(82, 150, 255, 0.12);
}

.contact-list__rows > * {
  display: contents;
  /* 联系方式用深墨字，品牌蓝只留给图标与悬停态 */
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
}

.contact-list__rows strong {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}

.contact-list__rows a:hover strong,
.contact-list__rows a:focus-visible strong,
.contact-list__copy:hover strong,
.contact-list__copy:focus-visible strong {
  color: var(--brand-dark);
}

.contact-list__rows a:hover strong {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-list small {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.contact-list__sym {
  color: var(--brand);
  font-size: 15px;
  justify-self: center;
}

.contact-list em {
  color: var(--text-muted);
  font-size: 12.5px;
  font-style: normal;
  font-weight: 600;
  line-height: 1.55;
}

.contact-list__qrcode {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 8px;
  min-height: 256px;
  padding: 20px 24px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(82, 150, 255, 0.12);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-list__qrcodes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 340px;
}

.contact-list__qr-item {
  display: grid;
  justify-items: center;
  gap: 8px;
  width: 148px;
  color: inherit;
  text-decoration: none;
}

.contact-list__qr-item .qrcode-box {
  width: 148px;
  padding: 8px;
  border-radius: 18px;
  box-shadow: 0 12px 26px rgba(52, 95, 160, 0.1);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.contact-list__qr-item:hover .qrcode-box,
.contact-list__qr-item:focus-visible .qrcode-box {
  border-color: rgba(82, 150, 255, 0.36);
  box-shadow: 0 16px 32px rgba(52, 95, 160, 0.16);
  transform: translateY(-2px);
}

.qrcode-box {
  width: min(240px, 72vw);
  padding: 14px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(82, 150, 255, 0.14);
  box-shadow: 0 18px 42px rgba(52, 95, 160, 0.1);
}

.qrcode-box img {
  width: 100%;
  border-radius: 16px;
}

.contact__content > .contact__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.footer {
  padding: 26px 0 34px;
  color: var(--text-soft);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding-top: 22px;
  border-top: 1px solid rgba(30, 48, 70, 0.1);
}

.footer__beian {
  display: inline-flex;
  margin-top: 8px;
  color: var(--brand-dark);
  font-size: 14px;
}

.footer__inner .footer__product {
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.footer__inner strong,
.footer__inner p {
  display: block;
  margin: 0;
}

.footer__inner p {
  margin-top: 4px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 480ms ease, transform 480ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .hero__grid,
  .outcomes__grid,
  .proof__grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__panel {
    transform: none;
  }

  .problem-grid,
  .solution-flow,
  .case-grid,
  .pricing-grid,
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-5px);
  }

  .header__inner {
    grid-template-columns: auto auto auto;
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .header__actions {
    display: none;
  }

  .header.is-open .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-soft);
  }

  .header.is-open .nav a {
    padding: 14px 16px;
    border-radius: 14px;
  }

  .header.is-open .nav a:hover {
    background: rgba(82, 150, 255, 0.06);
  }
}

@media (max-width: 860px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 50px;
    padding-bottom: 58px;
  }

  .topbar__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding: 10px 0;
  }

  .header__inner {
    min-height: 72px;
  }

  :root {
    --header-h: 73px;
  }

  .brand__text small {
    display: none;
  }

  .hero__content::before {
    left: -10px;
    top: -18px;
    width: 58px;
    height: 58px;
    border-radius: 18px 0 0 0;
  }

  .problem-grid,
  .solution-flow,
  .case-grid,
  .pricing-grid,
  .product-grid,
  .outcome-cards,
  .hero-matrix,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 36px;
    line-height: 1.18;
    letter-spacing: -0.006em;
  }

  .hero__lead {
    font-size: 17px;
    line-height: 1.72;
  }

  .section-heading h2 {
    font-size: 34px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .section-heading p {
    font-size: 16px;
    line-height: 1.72;
  }

  .hero-card,
  .contact__content,
  .proof-panel,
  .founder-card,
  .pricing-card,
  .product-card,
  .case-card__body,
  .problem-card,
  .solution-card,
  .outcome-card {
    padding: 22px;
  }

  .product-card__actions,
  .hero__actions {
    flex-direction: column;
  }

  .footer__inner {
    flex-direction: column;
  }

  .problem-card,
  .solution-card,
  .product-card,
  .case-card,
  .outcome-card,
  .pricing-card {
    min-height: auto;
  }

  .pricing-card--featured::before {
    position: static;
    align-self: flex-start;
    display: inline-flex;
    margin-bottom: 12px;
  }
}







/* Compact case section so the full block reads as one balanced screen. */
.cases {
  padding-top: 66px;
  padding-bottom: 68px;
}

.cases .section-heading {
  max-width: 860px;
  margin-bottom: 28px;
}

.cases .section-heading h2 {
  margin: 12px 0 10px;
  font-size: clamp(30px, 3.2vw, 42px);
  line-height: 1.16;
}

.cases .section-heading p {
  max-width: 820px;
  font-size: 16px;
  line-height: 1.68;
}

.cases .case-grid {
  align-items: start;
  gap: 20px;
}

.cases .case-card {
  min-height: 0;
}

.cases .case-card__cover {
  min-height: 108px;
  padding: 18px 20px;
  align-items: flex-start;
}

.cases .case-card__cover span {
  padding: 8px 12px;
  font-size: 13px;
}

.cases .case-card__body {
  padding: 22px 22px 24px;
}

.cases .case-card__body h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.cases .case-card__body p {
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.72;
}

.cases .case-card__body ul {
  margin-top: 0;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.58;
}

/* Real project photos for case covers. */
.cases .case-card__cover {
  isolation: isolate;
  overflow: hidden;
  background-size: cover;
  background-color: #e2e9f4; /* 图片缺失时的兜底底色，避免露出深色空块 */
}

/* 封面照片按原色显示：不叠暗色蒙版，也不叠白色网格罩层。 */
.cases .case-card__cover::before {
  z-index: 0;
  background: none;
}

.cases .case-card__cover span {
  z-index: 1;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 26px rgba(8, 31, 35, 0.18);
  font-weight: 800;
}

.cases .case-card__cover--steel {
  background-image: url("./images/steel.webp");
  background-position: center 42%;
}

.cases .case-card__cover--landfill {
  background-image: url("./images/landfill.webp");
  background-position: center 50%;
}

.cases .case-card__cover--platform {
  background-image: url("./images/region-survey.webp");
  background-position: center 50%;
}


/* Integrated solution + deliverable capability screen. */
.solutions {
  padding-top: 78px;
  padding-bottom: 76px;
}

.solutions .section-heading {
  margin-bottom: 20px;
}

.solutions .solution-flow {
  gap: 10px;
}

.solutions .solution-card {
  min-height: 236px;
  padding: 24px;
}

.solutions .solution-card__index {
  width: 36px;
  height: 36px;
  border-radius: 12px;
}

.solutions .solution-card h3 {
  margin: 14px 0 10px;
  font-size: 20px;
}

.solutions .solution-card ul {
  display: grid;
  gap: 5px;
  font-size: 14px;
  line-height: 1.55;
}

.solution-outcomes {
  margin-top: 24px;
  padding: 22px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(237, 249, 245, 0.74));
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1.12fr);
  gap: 22px;
  align-items: center;
}

.solution-outcomes__intro h3 {
  margin: 12px 0 10px;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.solution-outcomes__intro p {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.72;
}

.solution-outcomes .outcome-cards {
  gap: 10px;
}

.solution-outcomes .outcome-card {
  min-height: 118px;
  padding: 18px;
  border-radius: 18px;
}

.solution-outcomes .outcome-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.solution-outcomes .outcome-card p {
  font-size: 13px;
  line-height: 1.58;
}

@media (max-width: 1180px) {
  .solution-outcomes {
    grid-template-columns: 1fr;
  }
}


/* Tighter one-screen layout for solution + deliverables. */
.solutions {
  padding-top: 54px;
  padding-bottom: 54px;
}

.solutions .section-heading {
  margin-bottom: 18px;
}

.solutions .section-heading h2 {
  margin: 12px 0 10px;
  font-size: clamp(30px, 3.2vw, 42px);
  line-height: 1.14;
}

.solutions .section-heading p {
  font-size: 16px;
  line-height: 1.62;
}

.solutions .solution-flow {
  gap: 12px;
}

.solutions .solution-card {
  min-height: 178px;
  padding: 16px 17px;
}

.solutions .solution-card__index {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  font-size: 13px;
}

.solutions .solution-card h3 {
  margin: 9px 0 7px;
  font-size: 17px;
}

.solutions .solution-card ul {
  display: grid;
  gap: 2px;
  font-size: 13px;
  line-height: 1.42;
}

.solution-outcomes {
  margin-top: 14px;
  padding: 15px;
  gap: 14px;
  border-radius: 24px;
}

.solution-outcomes__intro h3 {
  margin: 7px 0 7px;
  font-size: clamp(21px, 2vw, 27px);
  line-height: 1.16;
}

.solution-outcomes__intro p {
  font-size: 13px;
  line-height: 1.52;
}

.solution-outcomes .outcome-cards {
  gap: 9px;
}

.solution-outcomes .outcome-card {
  min-height: 84px;
  padding: 12px 13px;
  border-radius: 16px;
}

.solution-outcomes .outcome-card h3 {
  margin-bottom: 4px;
  font-size: 15px;
}

.solution-outcomes .outcome-card p {
  font-size: 12px;
  line-height: 1.42;
}

/* Balanced one-screen solution layout: less text density, more breathing room. */
.solutions {
  padding-top: 62px;
  padding-bottom: 62px;
}

.solutions .section-heading {
  max-width: 940px;
  margin-bottom: 24px;
}

.solutions .section-heading h2 {
  margin: 12px 0 10px;
  font-size: clamp(32px, 3.4vw, 44px);
  line-height: 1.15;
}

.solutions .section-heading p {
  max-width: 780px;
  font-size: 16px;
  line-height: 1.7;
}

.solution-flow--rail {
  position: relative;
  gap: 16px;
}

.solution-flow--rail::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 36px;
  height: 1px;
  background: linear-gradient(90deg, rgba(82, 150, 255, 0.08), rgba(82, 150, 255, 0.28), rgba(69, 204, 114, 0.24));
}

.solution-flow--rail .solution-card {
  min-height: 156px;
  padding: 20px 20px 18px;
  background: rgba(255, 255, 255, 0.86);
  overflow: visible;
}

.solution-flow--rail .solution-card::before {
  height: 3px;
}

.solution-flow--rail .solution-card__index {
  position: relative;
  z-index: 1;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  font-size: 13px;
  box-shadow: 0 10px 20px rgba(82, 150, 255, 0.12);
}

.solution-flow--rail .solution-card h3 {
  margin: 14px 0 8px;
  font-size: 19px;
  line-height: 1.2;
}

.solution-flow--rail .solution-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.62;
}

.solution-outcomes {
  margin-top: 20px;
  padding: 20px;
  gap: 20px;
  border-radius: 28px;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
}

.solution-outcomes__intro h3 {
  margin: 10px 0 9px;
  font-size: clamp(24px, 2.3vw, 31px);
  line-height: 1.17;
}

.solution-outcomes__intro p {
  font-size: 14px;
  line-height: 1.66;
}

.solution-outcomes .outcome-cards {
  gap: 12px;
}

.solution-outcomes .outcome-card {
  min-height: 104px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
}

.solution-outcomes .outcome-card h3 {
  margin-bottom: 7px;
  font-size: 17px;
}

.solution-outcomes .outcome-card p {
  font-size: 13px;
  line-height: 1.55;
}

@media (max-width: 1180px) {
  .solution-flow--rail::before {
    display: none;
  }

  .solution-flow--rail .solution-card {
    min-height: auto;
  }
}

/* Split solution screen with visual cues. */
.solutions {
  padding-top: 64px;
  padding-bottom: 66px;
}

.solutions .section-heading {
  max-width: 900px;
  margin-bottom: 26px;
}

.solution-split {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: 24px;
  align-items: stretch;
}

.solution-column,
.solution-outcomes {
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
}

.solution-column--process {
  padding: 22px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(238, 244, 254, 0.78));
}

.solution-column__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
}

.solution-column__head span {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(82, 150, 255, 0.1);
  font-size: 13px;
  font-weight: 800;
}

.solution-column__head strong {
  color: var(--text-soft);
  font-size: 14px;
}

.solution-flow--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.solution-flow--split::before {
  display: none;
}

.solution-flow--split .solution-card {
  min-height: 0;
  padding: 16px;
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 14px;
  align-items: start;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
}

.solution-flow--split .solution-card::before {
  width: 4px;
  height: 100%;
  inset: 0 auto 0 0;
  background: linear-gradient(180deg, var(--brand), rgba(69, 204, 114, 0.86));
}

.solution-card__icon,
.outcome-card__icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(82, 150, 255, 0.12), rgba(69, 204, 114, 0.16));
  border: 1px solid rgba(82, 150, 255, 0.12);
}

.solution-card__icon::before,
.solution-card__icon::after,
.outcome-card__icon::before,
.outcome-card__icon::after {
  content: "";
  position: absolute;
  border-color: var(--brand-dark);
}

.solution-card__icon[data-icon="map"]::before {
  width: 22px;
  height: 17px;
  border: 2px solid var(--brand-dark);
  border-radius: 4px;
  transform: skewY(-8deg);
}

.solution-card__icon[data-icon="map"]::after {
  width: 2px;
  height: 16px;
  left: 22px;
  background: var(--brand-dark);
  box-shadow: 8px 0 0 rgba(63, 124, 235, 0.55);
}

.solution-card__icon[data-icon="db"]::before,
.outcome-card__icon[data-icon="database"]::before {
  width: 24px;
  height: 12px;
  border: 2px solid var(--brand-dark);
  border-radius: 50%;
  top: 12px;
}

.solution-card__icon[data-icon="db"]::after,
.outcome-card__icon[data-icon="database"]::after {
  width: 24px;
  height: 18px;
  border: 2px solid var(--brand-dark);
  border-top: 0;
  border-radius: 0 0 12px 12px;
  top: 18px;
}

.solution-card__icon[data-icon="chart"]::before {
  width: 24px;
  height: 20px;
  border-left: 2px solid var(--brand-dark);
  border-bottom: 2px solid var(--brand-dark);
}

.solution-card__icon[data-icon="chart"]::after {
  width: 20px;
  height: 12px;
  border-top: 2px solid var(--brand-dark);
  border-right: 2px solid var(--brand-dark);
  transform: rotate(-28deg);
}

.solution-card__icon[data-icon="package"]::before {
  width: 23px;
  height: 20px;
  border: 2px solid var(--brand-dark);
  border-radius: 4px;
}

.solution-card__icon[data-icon="package"]::after {
  width: 14px;
  height: 2px;
  top: 18px;
  background: var(--brand-dark);
  transform: rotate(28deg);
}

.solution-flow--split .solution-card__index {
  display: inline-flex;
  width: auto;
  height: auto;
  margin-bottom: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(82, 150, 255, 0.08);
  font-size: 12px;
  font-weight: 800;
}

.solution-flow--split .solution-card h3 {
  margin: 0 0 5px;
  font-size: 18px;
}

.solution-flow--split .solution-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.56;
}

.solution-column--outcomes .solution-outcomes {
  height: 100%;
  margin: 0;
  padding: 24px;
  display: block;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(237, 248, 246, 0.82));
}

.solution-column--outcomes .solution-outcomes__intro {
  margin-bottom: 18px;
}

.solution-column--outcomes .solution-outcomes__intro h3 {
  margin: 11px 0 9px;
  font-size: clamp(25px, 2.3vw, 32px);
}

.solution-column--outcomes .solution-outcomes__intro p {
  font-size: 14px;
  line-height: 1.66;
}

.solution-column--outcomes .outcome-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.solution-column--outcomes .outcome-card {
  min-height: 146px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
}

.solution-column--outcomes .outcome-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  margin-bottom: 10px;
}

.outcome-card__icon[data-icon="layers"]::before {
  width: 22px;
  height: 14px;
  border: 2px solid var(--brand-dark);
  border-radius: 4px;
  transform: rotate(-8deg);
}

.outcome-card__icon[data-icon="layers"]::after {
  width: 22px;
  height: 14px;
  border: 2px solid rgba(63, 124, 235, 0.58);
  border-radius: 4px;
  transform: translate(4px, 5px) rotate(-8deg);
}

.outcome-card__icon[data-icon="cube"]::before {
  width: 20px;
  height: 20px;
  border: 2px solid var(--brand-dark);
  transform: rotate(45deg) skew(-10deg, -10deg);
}

.outcome-card__icon[data-icon="cube"]::after {
  width: 10px;
  height: 10px;
  border-top: 2px solid rgba(63, 124, 235, 0.7);
  border-left: 2px solid rgba(63, 124, 235, 0.7);
  transform: translate(5px, -2px) rotate(45deg);
}

.outcome-card__icon[data-icon="sync"]::before {
  width: 24px;
  height: 24px;
  border: 2px solid var(--brand-dark);
  border-left-color: transparent;
  border-radius: 50%;
}

.outcome-card__icon[data-icon="sync"]::after {
  width: 7px;
  height: 7px;
  right: 10px;
  top: 12px;
  border-top: 2px solid var(--brand-dark);
  border-right: 2px solid var(--brand-dark);
  transform: rotate(45deg);
}

.solution-column--outcomes .outcome-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.solution-column--outcomes .outcome-card p {
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 1180px) {
  .solution-split {
    grid-template-columns: 1fr;
  }
}

/* Process-to-outcome mapping: symmetric rows with visual connection. */
.solution-split {
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
  gap: 0;
  align-items: stretch;
}

.solution-split::before {
  content: "路径转化";
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: center;
  writing-mode: vertical-rl;
  padding: 14px 8px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: linear-gradient(180deg, rgba(82, 150, 255, 0.12), rgba(69, 204, 114, 0.16));
  border: 1px solid rgba(82, 150, 255, 0.14);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.solution-column--process {
  grid-column: 1;
}

.solution-column--outcomes {
  grid-column: 3;
}

.solution-column--process,
.solution-column--outcomes .solution-outcomes {
  height: 100%;
}

.solution-column--outcomes .solution-outcomes {
  display: flex;
  flex-direction: column;
}

.solution-flow--split,
.solution-column--outcomes .outcome-cards--mapped {
  display: grid;
  grid-template-rows: repeat(4, minmax(116px, 1fr));
  gap: 12px;
}

.solution-column--outcomes .outcome-cards--mapped {
  grid-template-columns: 1fr;
  flex: 1;
}

.solution-flow--split .solution-card,
.solution-column--outcomes .outcome-card {
  position: relative;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: center;
  padding: 15px 16px;
}

.solution-flow--split .solution-card::after {
  content: "";
  position: absolute;
  right: -34px;
  top: 50%;
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, rgba(82, 150, 255, 0.55), rgba(69, 204, 114, 0.65));
}

.solution-column--outcomes .outcome-card::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid rgba(69, 204, 114, 0.86);
  border-right: 2px solid rgba(69, 204, 114, 0.86);
  transform: translateY(-50%) rotate(45deg);
}

.solution-flow--split .solution-card h3,
.solution-column--outcomes .outcome-card h3 {
  margin: 3px 0 5px;
  font-size: 17px;
  line-height: 1.2;
}

.solution-flow--split .solution-card p,
.solution-column--outcomes .outcome-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.48;
}

.outcome-card__index {
  display: inline-flex;
  margin-bottom: 2px;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(69, 204, 114, 0.15);
  font-size: 12px;
  font-weight: 800;
}

.solution-column--outcomes .solution-outcomes__intro {
  margin-bottom: 14px;
}

.solution-column--outcomes .solution-outcomes__intro h3 {
  font-size: clamp(23px, 2.1vw, 29px);
}

.solution-column--outcomes .solution-outcomes__intro p {
  line-height: 1.58;
}

@media (max-width: 1180px) {
  .solution-split {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .solution-split::before,
  .solution-flow--split .solution-card::after,
  .solution-column--outcomes .outcome-card::before {
    display: none;
  }

  .solution-column--process,
  .solution-column--outcomes {
    grid-column: auto;
  }
}

/* Diagram-first solution section. */
.solutions {
  padding-top: 66px;
  padding-bottom: 68px;
}

.solutions .section-heading {
  max-width: 920px;
  margin-bottom: 28px;
}

.solutions .section-heading h2 {
  margin: 12px 0 10px;
  font-size: clamp(34px, 3.6vw, 48px);
}

.solution-diagram {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 0.92fr) minmax(260px, 0.9fr) minmax(260px, 0.92fr);
  gap: 34px;
  align-items: center;
  padding: 28px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 50%, rgba(82, 150, 255, 0.13), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(238, 244, 254, 0.78));
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.solution-diagram::before,
.solution-diagram::after {
  content: "";
  position: absolute;
  top: 50%;
  width: calc(50% - 190px);
  height: 2px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(82, 150, 255, 0.06), rgba(82, 150, 255, 0.45), rgba(69, 204, 114, 0.5));
  pointer-events: none;
}

.solution-diagram::before {
  left: 25%;
}

.solution-diagram::after {
  right: 25%;
}

.diagram-column {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.diagram-column__title {
  justify-self: start;
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(82, 150, 255, 0.1);
  border: 1px solid rgba(82, 150, 255, 0.12);
  font-size: 13px;
  font-weight: 800;
}

.diagram-column--output .diagram-column__title {
  background: rgba(69, 204, 114, 0.16);
  border-color: rgba(69, 204, 114, 0.22);
}

.diagram-node {
  position: relative;
  min-height: 84px;
  padding: 14px 16px 14px 72px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 12px 30px rgba(22, 36, 52, 0.07);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.diagram-node::before,
.diagram-node::after {
  content: "";
  position: absolute;
}

.diagram-node::before {
  left: 16px;
  top: 50%;
  width: 40px;
  height: 40px;
  transform: translateY(-50%);
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(82, 150, 255, 0.13), rgba(69, 204, 114, 0.17));
  border: 1px solid rgba(82, 150, 255, 0.12);
}

.diagram-node strong {
  font-size: 17px;
  line-height: 1.2;
}

.diagram-node span {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 13px;
}

.diagram-node[data-icon="map"]::after {
  left: 26px;
  top: 31px;
  width: 20px;
  height: 15px;
  border: 2px solid var(--brand-dark);
  border-radius: 4px;
  transform: skewY(-8deg);
  box-shadow: 7px 0 0 -5px var(--brand-dark), 14px 0 0 -5px rgba(63, 124, 235, 0.55);
}

.diagram-node[data-icon="db"]::after,
.diagram-node[data-icon="database"]::after {
  left: 25px;
  top: 28px;
  width: 23px;
  height: 24px;
  border: 2px solid var(--brand-dark);
  border-top-width: 7px;
  border-radius: 50% 50% 10px 10px;
}

.diagram-node[data-icon="chart"]::after {
  left: 27px;
  top: 31px;
  width: 22px;
  height: 18px;
  border-left: 2px solid var(--brand-dark);
  border-bottom: 2px solid var(--brand-dark);
  background: linear-gradient(135deg, transparent 45%, var(--brand-dark) 47%, var(--brand-dark) 53%, transparent 55%);
}

.diagram-node[data-icon="package"]::after {
  left: 27px;
  top: 30px;
  width: 21px;
  height: 19px;
  border: 2px solid var(--brand-dark);
  border-radius: 4px;
  box-shadow: inset 0 7px 0 rgba(63, 124, 235, 0.16);
}

.diagram-node[data-icon="layers"]::after {
  left: 27px;
  top: 29px;
  width: 21px;
  height: 14px;
  border: 2px solid var(--brand-dark);
  border-radius: 4px;
  transform: rotate(-8deg);
  box-shadow: 5px 6px 0 -2px rgba(63, 124, 235, 0.45);
}

.diagram-node[data-icon="cube"]::after {
  left: 29px;
  top: 30px;
  width: 19px;
  height: 19px;
  border: 2px solid var(--brand-dark);
  transform: rotate(45deg) skew(-10deg, -10deg);
}

.diagram-node[data-icon="sync"]::after {
  left: 27px;
  top: 29px;
  width: 22px;
  height: 22px;
  border: 2px solid var(--brand-dark);
  border-left-color: transparent;
  border-radius: 50%;
}

.diagram-hub {
  position: relative;
  z-index: 2;
  min-height: 340px;
  display: grid;
  place-items: center;
}

.diagram-hub::before,
.diagram-hub::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 34px;
  height: 34px;
  border-top: 2px solid rgba(69, 204, 114, 0.78);
  border-right: 2px solid rgba(69, 204, 114, 0.78);
}

.diagram-hub::before {
  left: -19px;
  transform: translateY(-50%) rotate(45deg);
}

.diagram-hub::after {
  right: -19px;
  transform: translateY(-50%) rotate(45deg);
}

.diagram-hub__halo {
  position: absolute;
  width: 246px;
  height: 246px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.9), rgba(232, 240, 254, 0.68) 58%, transparent 59%),
    conic-gradient(from 120deg, rgba(82, 150, 255, 0.22), rgba(69, 204, 114, 0.26), rgba(63, 124, 235, 0.2), rgba(82, 150, 255, 0.22));
  filter: drop-shadow(0 18px 38px rgba(82, 150, 255, 0.13));
}

.diagram-hub__core {
  position: relative;
  z-index: 1;
  width: min(220px, 100%);
  min-height: 220px;
  padding: 28px 24px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  background: linear-gradient(135deg, #5296ff, #3f7ceb 52%, #3f7ceb);
  box-shadow: 0 28px 58px rgba(82, 150, 255, 0.24);
}

.diagram-hub__core small {
  color: rgba(250, 252, 255, 0.78);
  font-weight: 800;
}

.diagram-hub__core strong {
  margin: 10px 0;
  font-size: 22px;
  line-height: 1.2;
}

.diagram-hub__core span {
  color: rgba(250, 252, 255, 0.8);
  font-size: 12px;
  line-height: 1.55;
}

@media (max-width: 1180px) {
  .solution-diagram {
    grid-template-columns: 1fr;
  }

  .solution-diagram::before,
  .solution-diagram::after,
  .diagram-hub::before,
  .diagram-hub::after {
    display: none;
  }

  .diagram-hub {
    min-height: 260px;
  }
}

/* Refined diagram copy and unified visual symbols. */
.solutions .section-heading p {
  max-width: 860px;
  white-space: nowrap;
  font-size: 17px;
  line-height: 1.62;
}

.diagram-column__title {
  width: 100%;
  justify-content: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: inset 0 0 0 1px rgba(82, 150, 255, 0.1);
}

.diagram-column--input .diagram-column__title::before,
.diagram-column--output .diagram-column__title::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 5px rgba(82, 150, 255, 0.1);
}

.diagram-column--output .diagram-column__title::after {
  margin-right: 0;
  margin-left: 8px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(69, 204, 114, 0.14);
}

.diagram-node {
  padding-left: 76px;
  background:
    linear-gradient(90deg, rgba(82, 150, 255, 0.05), transparent 36%),
    rgba(255, 255, 255, 0.86);
}

.diagram-column--output .diagram-node {
  background:
    linear-gradient(90deg, rgba(69, 204, 114, 0.06), transparent 38%),
    rgba(255, 255, 255, 0.86);
}

.diagram-node::before {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(237, 249, 246, 0.72)),
    linear-gradient(135deg, rgba(82, 150, 255, 0.16), rgba(69, 204, 114, 0.2));
  box-shadow: inset 0 0 0 1px rgba(82, 150, 255, 0.12), 0 10px 20px rgba(22, 36, 52, 0.07);
}

.diagram-column--output .diagram-node::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(249, 244, 232, 0.78)),
    linear-gradient(135deg, rgba(69, 204, 114, 0.18), rgba(82, 150, 255, 0.13));
}

.diagram-node::after {
  color: var(--brand-dark);
}

.diagram-node[data-icon="map"]::after,
.diagram-node[data-icon="db"]::after,
.diagram-node[data-icon="chart"]::after,
.diagram-node[data-icon="package"]::after,
.diagram-node[data-icon="database"]::after,
.diagram-node[data-icon="layers"]::after,
.diagram-node[data-icon="cube"]::after,
.diagram-node[data-icon="sync"]::after {
  left: 28px;
  top: 50%;
  width: 24px;
  height: 24px;
  transform: translateY(-50%);
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  font-size: 22px;
  line-height: 1;
  font-weight: 800;
}

.diagram-node[data-icon="map"]::after {
  content: "◇";
}

.diagram-node[data-icon="db"]::after,
.diagram-node[data-icon="database"]::after {
  content: "▣";
}

.diagram-node[data-icon="chart"]::after {
  content: "⌁";
}

.diagram-node[data-icon="package"]::after {
  content: "▤";
}

.diagram-node[data-icon="layers"]::after {
  content: "▧";
}

.diagram-node[data-icon="cube"]::after {
  content: "⬡";
}

.diagram-node[data-icon="sync"]::after {
  content: "↻";
}

.diagram-hub__core {
  width: min(236px, 100%);
  min-height: 236px;
  padding: 26px 22px;
}

.diagram-hub__core small {
  letter-spacing: 0.08em;
}

.diagram-hub__core strong {
  margin: 8px 0 7px;
  font-size: 24px;
}

.diagram-hub__chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
}

.diagram-hub__chips i {
  padding: 5px 6px;
  border-radius: 999px;
  color: rgba(250, 252, 255, 0.9);
  background: rgba(255, 255, 255, 0.14);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

@media (max-width: 980px) {
  .solutions .section-heading p {
    white-space: normal;
  }
}

/* Distinct symbol systems: input is line-work, output is delivery badges. */
.diagram-column--input .diagram-node::before {
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(82, 150, 255, 0.38);
  box-shadow: inset 0 0 0 5px rgba(82, 150, 255, 0.06), 0 10px 20px rgba(22, 36, 52, 0.05);
}

.diagram-column--input .diagram-node::after {
  color: var(--brand-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  font-weight: 700;
}

.diagram-column--input .diagram-node[data-icon="map"]::after {
  content: "⌖";
}

.diagram-column--input .diagram-node[data-icon="db"]::after {
  content: "≋";
}

.diagram-column--input .diagram-node[data-icon="chart"]::after {
  content: "∿";
}

.diagram-column--input .diagram-node[data-icon="package"]::after {
  content: "◎";
}

.diagram-column--output .diagram-node::before {
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(69, 204, 114, 0.95), rgba(82, 150, 255, 0.88));
  border: 1px solid rgba(255, 255, 255, 0.62);
  box-shadow: 0 14px 26px rgba(117, 91, 44, 0.18);
}

.diagram-column--output .diagram-node::after {
  color: #ffffff;
  font-family: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.diagram-column--output .diagram-node[data-icon="database"]::after {
  content: "DB";
}

.diagram-column--output .diagram-node[data-icon="layers"]::after {
  content: "MAP";
  font-size: 15px;
}

.diagram-column--output .diagram-node[data-icon="cube"]::after {
  content: "3D";
}

.diagram-column--output .diagram-node[data-icon="sync"]::after {
  content: "OK";
}

/* Fine tune diagram symbols: semantic input marks and fitted output badges. */
.diagram-column--input .diagram-node::after {
  left: 26px;
  width: 28px;
  text-align: center;
  font-family: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0;
}

.diagram-column--input .diagram-node[data-icon="map"]::after {
  content: "界";
}

.diagram-column--input .diagram-node[data-icon="db"]::after {
  content: "库";
}

.diagram-column--input .diagram-node[data-icon="chart"]::after {
  content: "析";
}

.diagram-column--input .diagram-node[data-icon="package"]::after {
  content: "包";
}

.diagram-column--output .diagram-node::after {
  left: 20px;
  width: 36px;
  height: 24px;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0;
}

.diagram-column--output .diagram-node[data-icon="layers"]::after {
  font-size: 12px;
}

.diagram-column--output .diagram-node[data-icon="cube"]::after,
.diagram-column--output .diagram-node[data-icon="sync"]::after {
  font-size: 14px;
}

/* Reference-inspired orbit diagram: sources converge, engine standardizes, outcomes spread. */
.solution-diagram {
  grid-template-columns: minmax(260px, 0.95fr) minmax(300px, 1.05fr) minmax(260px, 0.95fr);
  gap: 22px;
  padding: 30px 32px;
  min-height: 500px;
  background:
    radial-gradient(ellipse at center, rgba(82, 150, 255, 0.14), transparent 30%),
    radial-gradient(ellipse at 50% 88%, rgba(63, 124, 235, 0.08), transparent 38%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(238, 244, 254, 0.82));
}

.solution-diagram::before,
.solution-diagram::after {
  top: 52%;
  width: 34%;
  height: 120px;
  border: 2px solid rgba(82, 150, 255, 0.22);
  border-left-color: transparent;
  border-right-color: transparent;
  border-radius: 50%;
  background: none;
}

.solution-diagram::before {
  left: 16%;
  transform: translateY(-50%) rotate(5deg);
}

.solution-diagram::after {
  right: 16%;
  transform: translateY(-50%) rotate(-5deg);
  border-color: rgba(69, 204, 114, 0.24);
  border-left-color: transparent;
  border-right-color: transparent;
}

.diagram-column {
  align-content: center;
  gap: 14px;
}

.diagram-column__title {
  width: auto;
  justify-self: center;
  padding: 9px 16px;
}

.diagram-node {
  min-height: 76px;
  padding: 12px 15px 12px 70px;
  border-radius: 999px;
}

.diagram-column--input .diagram-node:nth-child(2),
.diagram-column--output .diagram-node:nth-child(2) {
  transform: translateX(18px);
}

.diagram-column--input .diagram-node:nth-child(3),
.diagram-column--output .diagram-node:nth-child(3) {
  transform: translateX(-6px);
}

.diagram-column--input .diagram-node:nth-child(4),
.diagram-column--output .diagram-node:nth-child(4) {
  transform: translateX(-6px);
}

.diagram-column--input .diagram-node:nth-child(5),
.diagram-column--output .diagram-node:nth-child(5) {
  transform: translateX(18px);
}

.diagram-node strong {
  font-size: 16px;
}

.diagram-node span {
  font-size: 12px;
}

.diagram-hub {
  min-height: 420px;
}

.diagram-hub::before,
.diagram-hub::after {
  top: 50%;
  width: 46px;
  height: 46px;
  border-color: rgba(69, 204, 114, 0.72);
}

.diagram-hub::before {
  left: -6px;
}

.diagram-hub::after {
  right: -6px;
}

.diagram-hub__halo {
  width: 282px;
  height: 282px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.92), rgba(232, 240, 254, 0.72) 52%, transparent 53%),
    repeating-radial-gradient(circle, rgba(82, 150, 255, 0.12) 0 1px, transparent 1px 18px),
    conic-gradient(from 110deg, rgba(82, 150, 255, 0.24), rgba(69, 204, 114, 0.25), rgba(63, 124, 235, 0.18), rgba(82, 150, 255, 0.24));
}

.diagram-hub__core {
  width: min(238px, 100%);
  min-height: 238px;
}

.diagram-hub__core::before,
.diagram-hub__core::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 2px;
  height: 38px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.72), transparent);
}

.diagram-hub__core::before {
  top: -44px;
}

.diagram-hub__core::after {
  bottom: -44px;
}

@media (max-width: 1180px) {
  .solution-diagram {
    min-height: auto;
  }

  .diagram-column--input .diagram-node,
  .diagram-column--output .diagram-node {
    transform: none !important;
  }
}

/* Softer flow bands, business-like input icons, and section title plates. */
.solution-diagram::before,
.solution-diagram::after {
  top: 50%;
  height: 86px;
  border: 0;
  border-radius: 0;
  background: none;
  opacity: 1;
}

.solution-diagram::before {
  left: 29%;
  width: 15%;
  transform: translateY(-50%);
  background:
    linear-gradient(90deg, rgba(82, 150, 255, 0), rgba(82, 150, 255, 0.28)),
    repeating-linear-gradient(90deg, transparent 0 12px, rgba(82, 150, 255, 0.2) 12px 14px);
  clip-path: polygon(0 36%, 82% 36%, 82% 22%, 100% 50%, 82% 78%, 82% 64%, 0 64%);
}

.solution-diagram::after {
  right: 29%;
  width: 15%;
  transform: translateY(-50%);
  background:
    linear-gradient(90deg, rgba(69, 204, 114, 0.3), rgba(69, 204, 114, 0)),
    repeating-linear-gradient(90deg, rgba(69, 204, 114, 0.2) 0 2px, transparent 2px 14px);
  clip-path: polygon(0 22%, 18% 36%, 100% 36%, 100% 64%, 18% 64%, 0 78%, 18% 50%);
}

.diagram-column__title {
  position: relative;
  width: 100%;
  justify-content: flex-start;
  padding: 11px 16px 11px 42px;
  border-radius: 18px;
  color: var(--text);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(238, 244, 254, 0.82));
  border: 1px solid rgba(82, 150, 255, 0.13);
  box-shadow: 0 12px 26px rgba(22, 36, 52, 0.06);
  font-size: 14px;
  letter-spacing: 0.01em;
}

.diagram-column__title::before,
.diagram-column--output .diagram-column__title::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin: 0;
  transform: translateY(-50%);
  border-radius: 5px;
  background: transparent;
  box-shadow: inset 0 0 0 2px var(--brand);
}

.diagram-column--output .diagram-column__title {
  padding-left: 42px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(235, 250, 240, 0.82));
  border-color: rgba(69, 204, 114, 0.2);
}

.diagram-column--output .diagram-column__title::after {
  left: 16px;
  right: auto;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(69, 204, 114, 0.13);
}

.diagram-column--input .diagram-node::after {
  content: "";
  left: 27px;
  top: 50%;
  width: 23px;
  height: 23px;
  transform: translateY(-50%);
  color: transparent;
  font-size: 0;
}

.diagram-column--input .diagram-node[data-icon="map"]::after {
  border: 2px solid var(--brand-dark);
  border-radius: 6px;
  background:
    linear-gradient(90deg, transparent 31%, rgba(63, 124, 235, 0.8) 32% 38%, transparent 39% 64%, rgba(63, 124, 235, 0.55) 65% 70%, transparent 71%),
    linear-gradient(180deg, transparent 48%, rgba(63, 124, 235, 0.55) 49% 55%, transparent 56%);
  transform: translateY(-50%) rotate(-5deg);
}

.diagram-column--input .diagram-node[data-icon="db"]::after {
  border: 2px solid var(--brand-dark);
  border-radius: 50% 50% 8px 8px;
  border-top-width: 7px;
  box-shadow: 0 8px 0 -4px rgba(63, 124, 235, 0.5);
}

.diagram-column--input .diagram-node[data-icon="chart"]::after {
  border-left: 2px solid var(--brand-dark);
  border-bottom: 2px solid var(--brand-dark);
  background:
    linear-gradient(135deg, transparent 40%, var(--brand-dark) 42% 48%, transparent 50%),
    radial-gradient(circle at 72% 28%, var(--accent) 0 3px, transparent 4px);
}

.diagram-column--input .diagram-node[data-icon="package"]::after {
  border: 2px solid var(--brand-dark);
  border-radius: 5px;
  background:
    linear-gradient(90deg, transparent 45%, rgba(63, 124, 235, 0.65) 46% 54%, transparent 55%),
    linear-gradient(180deg, transparent 44%, rgba(63, 124, 235, 0.65) 45% 53%, transparent 54%);
}

/* Industry terminology symbols for site investigation workflow. */
.diagram-column--input .diagram-node::after,
.diagram-column--output .diagram-node::after {
  left: 20px;
  width: 36px;
  height: 24px;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  transform: translateY(-50%);
}

.diagram-column--input .diagram-node::after {
  color: var(--brand-dark);
}

.diagram-column--input .diagram-node[data-icon="map"]::after {
  content: "GIS";
  border: 0;
  background: none;
  box-shadow: none;
}

.diagram-column--input .diagram-node[data-icon="db"]::after {
  content: "BH";
  border: 0;
  background: none;
  box-shadow: none;
}

.diagram-column--input .diagram-node[data-icon="chart"]::after {
  content: "LAB";
  border: 0;
  background: none;
  box-shadow: none;
}

.diagram-column--input .diagram-node[data-icon="package"]::after {
  content: "DOC";
  border: 0;
  background: none;
  box-shadow: none;
}

.diagram-column--output .diagram-node[data-icon="database"]::after {
  content: "DB";
}

.diagram-column--output .diagram-node[data-icon="layers"]::after {
  content: "MAP";
  font-size: 11px;
}

.diagram-column--output .diagram-node[data-icon="cube"]::after {
  content: "3D";
}

.diagram-column--output .diagram-node[data-icon="sync"]::after {
  content: "PKG";
  font-size: 11px;
}

/* Reframe diagram titles, arrows, and central service emphasis. */
.diagram-column__title {
  width: max-content;
  min-width: 220px;
  justify-self: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, #5296ff, #3f7ceb);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 16px 30px rgba(82, 150, 255, 0.16);
}

.diagram-column__title::before,
.diagram-column--output .diagram-column__title::after {
  display: none;
}

.diagram-column--output .diagram-column__title {
  padding: 10px 18px;
  color: #ffffff;
  background: linear-gradient(135deg, #45cc72, #2aa551);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 16px 30px rgba(146, 105, 38, 0.16);
}

.solution-diagram::before,
.solution-diagram::after {
  z-index: 1;
  top: 50%;
  height: 64px;
  width: 17%;
  border-radius: 999px;
  clip-path: polygon(0 31%, 76% 31%, 76% 14%, 100% 50%, 76% 86%, 76% 69%, 0 69%);
  box-shadow: 0 10px 24px rgba(82, 150, 255, 0.1);
}

.solution-diagram::before {
  left: 27%;
  background: linear-gradient(90deg, rgba(82, 150, 255, 0.06), rgba(82, 150, 255, 0.36), rgba(63, 124, 235, 0.22));
}

.solution-diagram::after {
  right: 27%;
  transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(69, 204, 114, 0.34), rgba(82, 150, 255, 0.28), rgba(82, 150, 255, 0.04));
  clip-path: polygon(0 31%, 76% 31%, 76% 14%, 100% 50%, 76% 86%, 76% 69%, 0 69%);
}

.diagram-hub {
  z-index: 3;
}

.diagram-hub__halo {
  width: 310px;
  height: 310px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.96), rgba(232, 240, 254, 0.76) 49%, transparent 50%),
    repeating-radial-gradient(circle, rgba(82, 150, 255, 0.14) 0 1px, transparent 1px 19px),
    conic-gradient(from 90deg, rgba(82, 150, 255, 0.28), rgba(69, 204, 114, 0.32), rgba(63, 124, 235, 0.22), rgba(82, 150, 255, 0.28));
  filter: drop-shadow(0 24px 46px rgba(82, 150, 255, 0.18));
}

.diagram-hub__core {
  width: min(260px, 100%);
  min-height: 260px;
  padding: 30px 24px;
  border: 2px solid rgba(255, 255, 255, 0.52);
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.18), transparent 34%),
    linear-gradient(135deg, #5296ff, #3f7ceb 48%, #3f7ceb);
  box-shadow: 0 34px 70px rgba(82, 150, 255, 0.3), inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.diagram-hub__core small {
  display: inline-flex;
  align-self: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(250, 252, 255, 0.88);
  font-size: 12px;
}

.diagram-hub__core strong {
  margin: 11px 0 9px;
  font-size: 25px;
  line-height: 1.18;
}

.diagram-hub__core span {
  font-size: 13px;
  line-height: 1.55;
}

.diagram-hub__chips {
  margin-top: 14px;
  gap: 7px;
}

.diagram-hub__chips i {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

/* Replace heavy arrows with elegant dual-line flow arrows. */
.solution-diagram::before,
.solution-diagram::after {
  z-index: 1;
  top: 50%;
  width: 17%;
  height: 52px;
  border: 0;
  border-radius: 0;
  clip-path: none;
  box-shadow: none;
  background: none;
  transform: translateY(-50%);
}

.solution-diagram::before {
  left: 27%;
  background:
    linear-gradient(90deg, transparent 0 8%, rgba(82, 150, 255, 0.42) 8% 82%, transparent 82%),
    linear-gradient(90deg, transparent 0 18%, rgba(63, 124, 235, 0.22) 18% 72%, transparent 72%);
  background-size: 100% 2px, 78% 2px;
  background-position: center 18px, center 34px;
  background-repeat: no-repeat;
}

.solution-diagram::after {
  right: 27%;
  background:
    linear-gradient(90deg, transparent 0 8%, rgba(69, 204, 114, 0.48) 8% 82%, transparent 82%),
    linear-gradient(90deg, transparent 0 18%, rgba(82, 150, 255, 0.22) 18% 72%, transparent 72%);
  background-size: 100% 2px, 78% 2px;
  background-position: center 18px, center 34px;
  background-repeat: no-repeat;
}

.diagram-hub::before,
.diagram-hub::after {
  width: 18px;
  height: 18px;
  border-top-width: 2px;
  border-right-width: 2px;
  border-color: rgba(69, 204, 114, 0.86);
  background: rgba(255, 255, 255, 0.76);
  border-radius: 2px;
  box-shadow: 0 0 0 6px rgba(69, 204, 114, 0.08);
}

.diagram-hub::before {
  left: -20px;
  transform: translateY(-50%) rotate(45deg);
}

.diagram-hub::after {
  right: -20px;
  transform: translateY(-50%) rotate(45deg);
}

/* Align output nodes with the hub orbit and harmonize arrows/colors. */
.diagram-column--output .diagram-column__title {
  background: linear-gradient(135deg, #5296ff, #3f7ceb 72%, #45cc72);
  box-shadow: 0 16px 30px rgba(82, 150, 255, 0.15);
}

.diagram-column--output .diagram-node {
  background:
    linear-gradient(90deg, rgba(82, 150, 255, 0.055), transparent 42%),
    rgba(255, 255, 255, 0.88);
  border-color: rgba(82, 150, 255, 0.1);
}

.diagram-column--output .diagram-node::before {
  background: linear-gradient(135deg, #74abff, #5296ff 56%, #3f7ceb);
  box-shadow: 0 14px 26px rgba(82, 150, 255, 0.16), inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.diagram-column--output .diagram-node:nth-child(2) {
  transform: translateX(-18px);
}

.diagram-column--output .diagram-node:nth-child(3) {
  transform: translateX(10px);
}

.diagram-column--output .diagram-node:nth-child(4) {
  transform: translateX(10px);
}

.diagram-column--output .diagram-node:nth-child(5) {
  transform: translateX(-18px);
}

.solution-diagram::before,
.solution-diagram::after {
  height: 116px;
  width: 18%;
  background: none;
  border: 2px solid transparent;
  border-radius: 50%;
  clip-path: none;
  box-shadow: none;
}

.solution-diagram::before {
  left: 26.5%;
  border-top-color: rgba(82, 150, 255, 0.34);
  border-bottom-color: rgba(63, 124, 235, 0.18);
  border-left-color: transparent;
  border-right-color: transparent;
  transform: translateY(-50%) rotate(8deg);
}

.solution-diagram::after {
  right: 26.5%;
  border-top-color: rgba(82, 150, 255, 0.28);
  border-bottom-color: rgba(69, 204, 114, 0.22);
  border-left-color: transparent;
  border-right-color: transparent;
  transform: translateY(-50%) rotate(-8deg);
}

.diagram-hub::before,
.diagram-hub::after {
  width: 16px;
  height: 16px;
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(82, 150, 255, 0.72);
  box-shadow: 0 0 0 7px rgba(82, 150, 255, 0.08);
}

.diagram-hub::before {
  left: -18px;
}

.diagram-hub::after {
  right: -18px;
  border-color: rgba(69, 204, 114, 0.72);
  box-shadow: 0 0 0 7px rgba(69, 204, 114, 0.1);
}

/* Harmonize solution diagram with the site's card-based visual system. */
.solution-diagram {
  min-height: auto;
  gap: 24px;
  padding: 26px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 50%, rgba(82, 150, 255, 0.08), transparent 30%),
    var(--gradient-soft);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
}

.diagram-column {
  gap: 12px;
}

.diagram-column__title,
.diagram-column--output .diagram-column__title {
  width: auto;
  min-width: 0;
  justify-self: start;
  justify-content: flex-start;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(82, 150, 255, 0.12);
  box-shadow: none;
  font-size: 13px;
}

.diagram-column--output .diagram-column__title {
  color: #2f7d4c;
  background: rgba(248, 234, 208, 0.52);
  border-color: rgba(69, 204, 114, 0.18);
}

.diagram-node,
.diagram-column--output .diagram-node {
  min-height: 78px;
  padding: 13px 15px 13px 72px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
}

.diagram-column--input .diagram-node:nth-child(2),
.diagram-column--input .diagram-node:nth-child(3),
.diagram-column--input .diagram-node:nth-child(4),
.diagram-column--input .diagram-node:nth-child(5),
.diagram-column--output .diagram-node:nth-child(2),
.diagram-column--output .diagram-node:nth-child(3),
.diagram-column--output .diagram-node:nth-child(4),
.diagram-column--output .diagram-node:nth-child(5) {
  transform: none;
}

.diagram-node::before,
.diagram-column--input .diagram-node::before,
.diagram-column--output .diagram-node::before {
  left: 16px;
  width: 42px;
  height: 42px;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(82, 150, 255, 0.12), rgba(69, 204, 114, 0.14));
  border: 1px solid rgba(82, 150, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.48);
}

.diagram-column--output .diagram-node::before {
  background: linear-gradient(135deg, rgba(82, 150, 255, 0.14), rgba(63, 124, 235, 0.12));
}

.diagram-column--input .diagram-node::after,
.diagram-column--output .diagram-node::after {
  left: 19px;
  width: 36px;
  color: var(--brand-dark);
}

.diagram-column--output .diagram-node::after {
  color: var(--brand-ink);
}

.diagram-node strong {
  font-size: 16px;
}

.diagram-node span {
  color: var(--text-soft);
  font-size: 12.5px;
}

.diagram-hub {
  min-height: 330px;
}

.diagram-hub__halo {
  width: 260px;
  height: 260px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.92), rgba(232, 240, 254, 0.72) 55%, transparent 56%),
    conic-gradient(from 120deg, rgba(82, 150, 255, 0.2), rgba(69, 204, 114, 0.18), rgba(63, 124, 235, 0.14), rgba(82, 150, 255, 0.2));
  filter: drop-shadow(0 18px 34px rgba(82, 150, 255, 0.12));
}

.diagram-hub__core {
  width: min(224px, 100%);
  min-height: 224px;
  padding: 26px 22px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: var(--gradient-brand);
  box-shadow: 0 24px 48px rgba(82, 150, 255, 0.22);
}

.diagram-hub__core small {
  padding: 0;
  background: transparent;
  color: rgba(250, 252, 255, 0.78);
}

.diagram-hub__core strong {
  font-size: 22px;
}

.diagram-hub__core span {
  font-size: 12px;
}

.diagram-hub__chips i {
  background: rgba(255, 255, 255, 0.13);
  border: 0;
}

.solution-diagram::before,
.solution-diagram::after {
  top: 50%;
  width: 14%;
  height: 72px;
  border: 1px solid transparent;
  border-top-color: rgba(82, 150, 255, 0.2);
  border-bottom-color: rgba(82, 150, 255, 0.12);
  border-radius: 50%;
  background: none;
  box-shadow: none;
}

.solution-diagram::before {
  left: 28%;
  transform: translateY(-50%) rotate(7deg);
}

.solution-diagram::after {
  right: 28%;
  transform: translateY(-50%) rotate(-7deg);
  border-top-color: rgba(69, 204, 114, 0.18);
  border-bottom-color: rgba(82, 150, 255, 0.12);
}

.diagram-hub::before,
.diagram-hub::after {
  width: 13px;
  height: 13px;
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(82, 150, 255, 0.58);
  box-shadow: 0 0 0 5px rgba(82, 150, 255, 0.06);
}

.diagram-hub::after {
  border-color: rgba(69, 204, 114, 0.58);
  box-shadow: 0 0 0 5px rgba(69, 204, 114, 0.08);
}

/* Refined hero delivery card: lighter than the previous matrix. */
.hero__grid {
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  gap: 48px;
}

.hero__panel {
  gap: 14px;
}

.hero-card--delivery {
  padding: 22px;
  border-radius: 28px;
}

.hero-card__header--compact h2 {
  max-width: 320px;
  font-size: 22px;
  line-height: 1.18;
}

.delivery-line {
  position: relative;
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding-left: 4px;
}

.delivery-line::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(180deg, rgba(82, 150, 255, 0.15), rgba(82, 150, 255, 0.34), rgba(69, 204, 114, 0.26));
}

.delivery-line article {
  position: relative;
  display: grid;
  grid-template-columns: 42px 1fr;
  column-gap: 12px;
  align-items: center;
  min-height: 72px;
  padding: 12px 14px 12px 0;
  border-radius: 18px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.86), rgba(245, 248, 253, 0.62));
  border: 1px solid rgba(82, 150, 255, 0.08);
}

.delivery-line article span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 15px;
  color: var(--brand-dark);
  background: linear-gradient(135deg, rgba(82, 150, 255, 0.12), rgba(69, 204, 114, 0.16));
  border: 1px solid rgba(82, 150, 255, 0.12);
  font-size: 12px;
  font-weight: 900;
}

.delivery-line article strong {
  display: block;
  margin-bottom: 3px;
  font-size: 16px;
  line-height: 1.2;
}

.delivery-line article p {
  grid-column: 2;
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.5;
}

.hero-proofbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
}

.hero-proofbar div {
  min-height: 64px;
  padding: 10px 8px;
  border-radius: 16px;
  display: grid;
  align-content: center;
  text-align: center;
  background: rgba(246, 248, 253, 0.78);
  border: 1px solid rgba(82, 150, 255, 0.08);
}

.hero-proofbar strong {
  color: var(--brand-dark);
  font-size: 20px;
  line-height: 1;
}

.hero-proofbar span {
  margin-top: 5px;
  color: var(--text-soft);
  font-size: 12px;
}

@media (max-width: 1180px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
}

/* Hero repositioning: focused promise + project outcome command board. */
.hero__grid {
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  gap: 52px;
}

.hero h1 {
  max-width: 720px;
}

.hero__lead {
  max-width: 730px;
}

.hero__highlights {
  max-width: 680px;
  grid-template-columns: 1fr;
  gap: 7px;
}

.hero-card--command {
  padding: 24px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 82% 12%, rgba(69, 204, 114, 0.16), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 250, 247, 0.94));
}

.hero-card--command::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 24px;
  border: 1px solid rgba(82, 150, 255, 0.08);
  pointer-events: none;
}

.hero-card__header--compact h2 {
  max-width: 360px;
  font-size: 24px;
  line-height: 1.18;
}

.command-board {
  position: relative;
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.command-board::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 34px;
  bottom: 34px;
  width: 1px;
  background: linear-gradient(180deg, rgba(82, 150, 255, 0.12), rgba(82, 150, 255, 0.38), rgba(69, 204, 114, 0.24));
}

.command-board article {
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 72px;
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(82, 150, 255, 0.1);
}

.command-board article span {
  position: relative;
  z-index: 1;
  display: inline-grid;
  place-items: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: linear-gradient(135deg, rgba(82, 150, 255, 0.1), rgba(69, 204, 114, 0.14));
  border: 1px solid rgba(82, 150, 255, 0.12);
  font-size: 13px;
  font-weight: 800;
}

.command-board article p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.55;
}

.command-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(82, 150, 255, 0.08);
  border: 1px solid rgba(82, 150, 255, 0.12);
}

.command-note strong {
  flex: 0 0 auto;
  color: var(--brand-dark);
  font-size: 14px;
}

.command-note span {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.55;
}

@media (max-width: 1180px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
}

/* Minimal hero: no card panel, focus on industry + advantage. */
.hero {
  min-height: calc(100vh - 122px);
  padding-top: 72px;
  padding-bottom: 72px;
}

.hero__grid {
  display: block;
  max-width: 980px;
}

.hero__content {
  max-width: 920px;
}

.hero__content::before {
  width: 118px;
  height: 118px;
  left: -34px;
  top: -38px;
  border-color: rgba(69, 204, 114, 0.34);
}

.hero h1 {
  max-width: 860px;
  margin: 16px 0 16px;
  font-size: clamp(44px, 5.3vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.018em;
}

.hero__lead {
  max-width: 830px;
  font-size: 19px;
  line-height: 1.78;
}

.hero__actions {
  margin-top: 28px;
  gap: 14px;
}

.hero__advantages {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero__advantages span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 15px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(82, 150, 255, 0.13);
  box-shadow: 0 10px 24px rgba(22, 36, 52, 0.05);
  font-size: 14px;
  font-weight: 700;
}

.hero__advantages span::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}

.hero__panel,
.hero-card--command,
.command-board,
.command-note {
  display: none;
}

@media (max-width: 860px) {
  .hero {
    padding-top: 48px;
    padding-bottom: 52px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero__lead {
    font-size: 17px;
    line-height: 1.72;
  }
}

/* Enterprise-site rhythm inspired by the original YYKJ site. */
.section {
  padding: 86px 0;
}

.proof,
.solutions,
.products,
.cases,
.pricing,
.contact {
  background: transparent;
}

.proof .proof__grid {
  align-items: stretch;
}

.section-heading {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
  text-align: center;
}

.section-heading .eyebrow {
  margin-inline: auto;
}

.section-heading h2 {
  font-size: clamp(34px, 3.6vw, 48px);
}

.proof-panel,
.founder-card,
.product-card,
.case-card,
.pricing-card,
.contact__content,
.solution-diagram {
  border: 1px solid rgba(82, 150, 255, 0.1);
  box-shadow: var(--shadow-soft);
}

.proof-panel {
  padding: 34px;
}

.solutions {
  padding-top: 88px;
}

.solution-diagram {
  max-width: 1120px;
  margin-inline: auto;
}

.products .section-heading p,
.cases .section-heading p,
.pricing .section-heading p {
  max-width: 760px;
  margin-inline: auto;
}

.product-tabs {
  display: flex;
  width: max-content;
  max-width: 100%;
  margin: 0 auto;
}

.product-grid,
.case-grid,
.pricing-grid {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 860px) {
  .section {
    padding: 70px 0;
  }

  .section-heading {
    text-align: left;
  }

  .section-heading .eyebrow {
    margin-inline: 0;
  }
}

/* Final spacious pass: undo accumulated tight overrides. */
.container {
  width: min(calc(100% - 56px), var(--container));
}

.section {
  padding: 112px 0;
}

.hero {
  padding-top: 88px;
  padding-bottom: 92px;
}

.hero h1 {
  margin: 18px 0 20px;
  max-width: 900px;
  font-size: clamp(46px, 5.2vw, 74px);
  line-height: 1.1;
}

.hero__lead {
  max-width: 860px;
  font-size: 20px;
  line-height: 1.85;
}

.hero__actions {
  margin-top: 34px;
}

.hero__advantages {
  margin-top: 30px;
  gap: 14px;
}

.section-heading {
  margin-bottom: 54px;
}

.section-heading h2 {
  margin: 20px 0 16px;
  line-height: 1.18;
}

.section-heading p {
  font-size: 18px;
  line-height: 1.9;
}

.proof__grid {
  gap: 36px;
}

.proof-panel,
.founder-card,
.contact__content {
  padding: 38px;
}

.proof-panel p,
.founder-card p,
.contact__content p {
  line-height: 1.86;
}

.solution-diagram {
  max-width: 1160px;
  padding: 36px;
  gap: 32px;
}

.diagram-column {
  gap: 16px;
}

.diagram-node,
.diagram-column--output .diagram-node {
  min-height: 90px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.diagram-node strong {
  font-size: 17px;
}

.diagram-node span {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
}

.product-tabs {
  margin-bottom: 8px;
}

.product-grid,
.case-grid,
.pricing-grid {
  gap: 30px;
}

.product-grid {
  margin-top: 42px;
}

.product-card,
.pricing-card {
  padding: 34px;
}

.product-card {
  min-height: 470px;
}

.product-card p,
.product-card dd {
  line-height: 1.72;
}

.pricing-card p,
.pricing-card li {
  line-height: 1.85;
}

.pricing-card ul li + li {
  margin-top: 8px;
}

.case-card {
  min-height: 0;
}

.cases {
  padding-top: 104px;
  padding-bottom: 108px;
}

.cases .section-heading {
  margin-bottom: 44px;
}

.cases .case-grid {
  gap: 28px;
}

.cases .case-card__cover {
  min-height: 150px;
}

.cases .case-card__body {
  padding: 28px;
}

.cases .case-card__body h3 {
  font-size: 23px;
}

.cases .case-card__body p,
.cases .case-card__body ul {
  font-size: 15px;
  line-height: 1.72;
}

.pricing-card {
  min-height: 360px;
}

@media (max-width: 860px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 78px 0;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero__lead {
    font-size: 17px;
  }
}

/* DeepSeek reference hero: centered, concise, no side panel. */
.hero {
  min-height: auto;
  padding: 52px 0 60px;
  display: block;
  background: linear-gradient(145deg, #f6f9fe 0%, #ffffff 100%);
}

.hero__aurora,
.hero__content::before {
  display: none;
}

.hero__grid {
  display: block;
  max-width: 860px;
  margin: 0 auto;
}

.hero__content {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.hero .eyebrow {
  margin-inline: auto;
}

.hero h1 {
  max-width: 860px;
  margin: 26px auto 20px;
  font-size: clamp(38px, 5.2vw, 62px);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.18;
}

.hero__lead {
  max-width: 720px;
  margin: 0 auto 24px;
  font-size: 18px;
  line-height: 1.6;
  text-wrap: balance;
}

.hero__actions {
  justify-content: center;
  gap: 14px;
  margin-top: 0;
  margin-bottom: 28px;
}

.hero__advantages {
  justify-content: center;
  gap: 12px;
  margin-top: 0;
}

.hero__advantages span {
  min-height: auto;
  padding: 6px 16px;
  color: var(--text-soft);
  background: #fff;
  border-color: var(--line);
  box-shadow: none;
  font-size: 13px;
  font-weight: 500;
}

.hero__advantages span::before {
  display: none;
}

@media (max-width: 860px) {
  .hero {
    padding: 44px 0 50px;
  }

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

/* Restore visible hero badge frames. */
.hero__advantages span {
  padding: 7px 16px;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(82, 150, 255, 0.2);
  box-shadow: 0 8px 18px rgba(22, 36, 52, 0.045);
  font-weight: 600;
}

/* Hero badges visible frame after DeepSeek layout. */
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.hero__badges span {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(82, 150, 255, 0.2);
  box-shadow: 0 8px 18px rgba(22, 36, 52, 0.045);
  font-size: 13px;
  font-weight: 600;
}

.proof-tags {
  gap: 10px;
}


/* ===== 官网改版（2026-10）：FigHub 产品区 / 合作流程 / 新增按钮与链接 ===== */
.hero__actions {
  justify-content: center;
  gap: 14px;
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 44px;
  align-items: center;
  margin-top: 36px;
  padding: 40px 44px;
  background: var(--surface-strong);
  border: 1px solid rgba(82, 150, 255, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.product-hero__shot {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #fff;
}

.product-hero__shot img {
  width: calc(100% + 18px);
  max-width: none;
  margin-bottom: -18px;
  height: auto;
  display: block;
}

.product-hero__points {
  margin: 0;
  padding: 0 0 22px;
  list-style: none;
  display: grid;
  gap: 12px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.product-hero__points li {
  width: 8.9em;
  margin-inline: auto;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  text-align: justify;
  text-align-last: justify;
}

.product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

.product-hero__note {
  display: block;
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: color var(--transition);
}

.footer__link-arrow {
  font-size: 12px;
  line-height: 1;
  transition: transform var(--transition);
}

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

.footer__link:hover .footer__link-arrow {
  transform: translate(2px, -2px);
}

@media (max-width: 980px) {
  .product-hero {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
    border-radius: var(--radius-lg);
  }
}

/* ===== 核心服务中列：成果服务卡（客户视角，替代圆形引擎） ===== */
.diagram-service {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 30px 26px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(82, 150, 255, 0.1), rgba(63, 124, 235, 0.07) 60%, rgba(69, 204, 114, 0.1)),
    #fff;
  border: 1px solid rgba(82, 150, 255, 0.16);
  box-shadow: var(--shadow-soft);
  text-align: left;
}

.diagram-service__badge {
  display: inline-flex;
  width: fit-content;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(82, 150, 255, 0.12);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
}

.diagram-service__title {
  font-size: 20px;
  line-height: 1.45;
  color: var(--text);
}

.diagram-service__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.diagram-service__list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-soft);
  line-height: 1.65;
  font-size: 14px;
}

.diagram-service__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  margin-top: 3px;
  border-radius: 50%;
  background: rgba(82, 150, 255, 0.14);
  color: var(--brand);
  font-size: 11px;
  font-weight: 700;
}

.diagram-service__cta {
  align-self: flex-start;
  margin-top: 4px;
}

/* ===== 首屏改版：实景大图（视觉方向 C） ===== */
.hero--photo {
  position: relative;
  /* 一屏铺满：视口高度减去页头实际高度（脚本量测），移动端地址栏伸缩也不留白 */
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 96px 0 72px;
}

.hero--photo .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero--photo .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero--photo .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 50% 8%, rgba(8, 20, 30, 0.3), rgba(8, 20, 30, 0.64) 72%),
    linear-gradient(180deg, rgba(8, 20, 30, 0.48), rgba(8, 20, 30, 0.6));
}

.hero--photo .hero__content {
  position: relative;
  z-index: 1;
  color: #fff;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero--photo .hero__content::before {
  display: none;
}

.hero--photo .eyebrow {
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero--photo h1 {
  color: #fff;
  max-width: none;
  text-shadow: 0 2px 26px rgba(0, 0, 0, 0.35);
}

.hero--photo .hero__lead {
  color: rgba(255, 255, 255, 0.95);
  max-width: 720px;
  margin-inline: auto;
  text-shadow: 0 1px 18px rgba(4, 12, 22, 0.55);
}

.hero__assure {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.hero__assure li {
  position: relative;
}

.hero__assure li + li::before {
  content: "";
  position: absolute;
  left: -15px;
  top: 50%;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
}

.button--ghost-light {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
}

.button--ghost-light:hover,
.button--ghost-light:focus-visible {
  background: rgba(255, 255, 255, 0.22);
}

/* ===== 首屏数字行 ===== */
.hero__stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 58px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
}

.hero__stats li {
  position: relative;
  text-align: center;
}

.hero__stats li + li::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.28);
}

.hero__stats strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.hero__stats span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
}

/* ===== 核心服务：三步编辑式排版（替代旧图示） ===== */
.service-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px;
  margin-top: 52px;
}

.service-step {
  position: relative;
  padding-top: 24px;
  border-top: 2px solid rgba(82, 150, 255, 0.18);
  text-align: center;
}

.service-step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 2px;
  background: var(--gradient-brand);
}

.service-step__num {
  display: block;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(82, 150, 255, 0.22);
  margin-bottom: 16px;
}

.service-step__title {
  margin: 0 0 18px;
  font-size: 20px;
  color: var(--text);
}

.service-step ul {
  width: fit-content;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.service-step li {
  position: relative;
  padding-left: 18px;
  text-align: left;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.6;
}

.service-step li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(82, 150, 255, 0.45);
}

.service-promise {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px 34px;
  margin-top: 50px;
}

.service-promise span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-body);
  font-size: 15px;
}

.service-promise span::before {
  content: "";
  width: 18px;
  height: 18px;
  flex: none;
  border-radius: 50%;
  background-color: var(--accent-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.6 8.5l2.9 2.9 5.9-6.6' fill='none' stroke='%2327a15d' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px 12px;
}

.service-promise__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

/*** 独立页面：内容占位与居中按钮行 ***/
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 8px;
}

.showcase-placeholder {
  display: grid;
  place-items: center;
  min-height: 260px;
  margin-top: 34px;
  border: 1px dashed rgba(82, 150, 255, 0.32);
  border-radius: var(--radius-xl);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.5);
}

@media (max-width: 980px) {
  .service-steps {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* 首屏遮罩：中段加一层径向压暗，白字落在亮墙/亮屋顶上也清晰 */
.hero--photo .hero__bg::after {
  background:
    radial-gradient(58% 46% at 50% 47%, rgba(8, 20, 30, 0.44), rgba(8, 20, 30, 0.18) 60%, transparent 82%),
    linear-gradient(180deg, rgba(8, 20, 30, 0.55) 0%, rgba(8, 20, 30, 0.34) 44%, rgba(8, 20, 30, 0.62) 100%);
}

/* ===== v2 统一视觉：信任条 / 关于 / 案例 / 合作卡 / 全局底色 ===== */
body {
  background: #f6f8fb;
}

.about-editorial .about-eyebrow {
  /* 栏目标题式：深色字 + 竖向品牌条，替代“小色块 + 小彩字”的点缀感 */
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.4;
  white-space: nowrap;
}

.about-editorial .about-eyebrow::before {
  content: "";
  flex: none;
  width: 4px;
  height: 20px;
  border-radius: 999px;
  background: var(--gradient-brand);
}

.about-editorial .about-eyebrow::after {
  content: none;
}

.about-editorial .about-eyebrow--service::before {
  content: none;
}

.about-editorial .about-eyebrow--service::after {
  content: "♥";
  display: grid;
  place-items: center;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(233, 113, 143, 0.14);
  color: #e0708f;
  font-size: 12px;
  line-height: 1;
}

.trust-strip__foot {
  margin: 16px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.8;
  text-align: right;
}

/* 标签行：关于我们 ——— 连接句 ——— 服务客户 ♥ */
.about-labels {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 2em;
  margin-bottom: 42px;
}

.about-labels__rule {
  flex: 1 1 auto;
  min-width: 40px;
  height: 1px;
}

.about-labels__rule--left {
  background: linear-gradient(90deg, rgba(82, 150, 255, 0.26), rgba(82, 150, 255, 0.05));
}

.about-labels__rule--right {
  background: linear-gradient(90deg, rgba(82, 150, 255, 0.05), rgba(82, 150, 255, 0.26));
}

/* 连接句：夹在两条横线中间，把「我们」与「服务客户」接成一句话 */
.about-bridge {
  margin: 0;
  /* 题记体：品牌蓝 + 常规字重 + 放宽字距，与两侧深墨粗标签区分 */
  color: var(--brand-ink);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  white-space: nowrap;
  text-align: center;
}

#about {
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: grid;
  align-content: center;
  padding-top: 72px;
  padding-bottom: 72px;
}

#contact {
  /* 与首屏一致：按「视口 - 页头」取高，跳转后正好一屏放下 */
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: grid;
  /* 内容上移：卡片距页头下沿约为原来的居中距离的一半 */
  align-content: start;
  padding-top: 40px;
}

/* 产品区 / 案例区：上下留白略收，1440×900 视口也能一屏放完 */
#product,
#cases {
  padding-top: 96px;
  padding-bottom: 96px;
}

#cases {
  padding-top: 86px;
  padding-bottom: 86px;
}

.about-editorial {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.35fr);
  column-gap: 56px;
  align-items: start;
}

.about-editorial__intro {
  grid-column: 1;
  padding-left: 2em;
  text-align: left;
}

.about-editorial__intro h2 {
  margin: 0 0 18px;
  font-size: clamp(26px, 2.6vw, 34px);
}

.about-editorial__intro p {
  margin: 0;
  color: var(--text-body);
  line-height: 1.9;
  font-size: 16px;
}

.about-editorial__note {
  margin: 18px 0 0 !important;
  color: var(--text) !important;
  font-weight: 700;
  font-size: 15px !important;
  text-wrap: balance;
}

.trust-strip {
  grid-column: 2;
  padding-right: 2em;
}

.cases .case-card__cover,
.cases .case-card__cover--steel,
.cases .case-card__cover--landfill,
.cases .case-card__cover--platform {
  height: 240px;
  min-height: 240px;
}

.case-card {
  box-shadow: none;
  border: 1px solid var(--line);
}

.pricing-card {
  box-shadow: none;
  border: 1px solid var(--line);
  background: #fff;
}

@media (max-width: 980px) {
  .about-editorial {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .about-editorial__intro,
  .trust-strip {
    grid-column: auto;
    grid-row: auto;
  }

  .about-editorial__intro,
  .trust-strip {
    padding-left: 0;
    padding-right: 0;
  }

  .trust-strip__list {
    gap: 10px;
  }

  .trust-strip__row {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px;
  }

  .trust-strip__list span {
    height: 58px;
    padding: 0 14px;
  }

  /* 窄屏：两个标签各占一边，连接句单独一行、两侧短线 */
  .about-labels {
    display: grid;
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 18px 12px;
    padding: 0;
    margin-bottom: 30px;
  }

  .about-labels__rule {
    display: none;
  }

  .about-bridge {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
    letter-spacing: 0.08em;
    text-indent: 0;
  }

  .about-bridge::before,
  .about-bridge::after {
    content: "";
    flex: 1 1 auto;
    min-width: 20px;
    height: 1px;
    background: rgba(82, 150, 255, 0.18);
  }

  .cases .case-card__cover,
  .cases .case-card__cover--steel,
  .cases .case-card__cover--landfill,
  .cases .case-card__cover--platform {
    height: 200px;
    min-height: 200px;
  }
}

/* 新版 logo 标记（img 版） */
img.brand__mark {
  width: 46px;
  height: 46px;
  padding: 5px;
  box-sizing: border-box;
  border-radius: 12px;
  background: #eef3fe;
  display: block;
}

@media (max-width: 860px) {
  .contact-list {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-list__rows {
    width: 100%;
    min-width: 0;
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .contact-list__rows > * {
    display: grid;
    grid-template-columns: 24px 44px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    min-width: 0;
  }

  .contact-list__rows strong {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .contact-list__qrcode {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 560px) {
  .contact-list {
    grid-template-columns: 1fr;
  }

  .contact-list__qr-item,
  .contact-list__qr-item .qrcode-box {
    width: min(150px, 64%);
  }

  .hero h1 {
    font-size: 32px;
  }
}

/* ===== 导航滚动高亮 + 页头滚动状态 ===== */
/* 锚点落位：目标区块正好贴在页头下沿，跳「关于我们」时首屏图片完全不露出 */
section[id] {
  scroll-margin-top: var(--header-h);
}

/* 内容型区块：再往下滚一段，让内容顶边落在页头下沿下方 24px（更紧凑），不再被区块自身的大留白顶得整体偏下 */
#solutions,
#cooperation {
  scroll-margin-top: calc(var(--header-h) + 24px - 112px);
}

#product {
  scroll-margin-top: calc(var(--header-h) + 24px - 96px);
}

#cases {
  scroll-margin-top: calc(var(--header-h) + 24px - 86px);
}

.nav a.is-active {
  color: var(--text);
}

.nav a.is-active::after {
  transform: scaleX(1);
}

.header.is-scrolled {
  border-bottom-color: rgba(85, 118, 195, 0.14);
  box-shadow: 0 12px 30px rgba(23, 43, 77, 0.07);
}

/* ===== 微信号一键复制 ===== */
.contact-list__copy > * {
  cursor: pointer;
}

.contact-list__copy:hover strong,
.contact-list__copy:focus-visible strong {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ===== 尊重系统「减少动态效果」设置 ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ===== 首屏融合版（方案 A）：实景照片 + 成果卡 ===== */
.hero--fusion {
  padding: 96px 0 72px;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
}

.hero--fusion .hero__bg img {
  object-position: 60% 46%;
  filter: saturate(1.06) contrast(1.03);
}

.hero--fusion .hero__bg picture,
.hero--photo .hero__bg picture {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

/* 静态底罩：天空区几乎不压暗（保持澄澈），向下渐增至 0.22 */
.hero--fusion .hero__bg picture::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 20, 30, 0.02) 0%, rgba(8, 20, 30, 0.08) 24%, rgba(8, 20, 30, 0.22) 100%);
  pointer-events: none;
}

/* 左侧压暗：只属于"文案在左"（展开）的构图；收起（文案居中）时淡出，不再在左侧留暗影 */
.hero--fusion .hero__bg::after {
  background:
    linear-gradient(96deg, rgba(6, 16, 26, 0.8) 0%, rgba(6, 16, 26, 0.52) 30%, rgba(6, 16, 26, 0.22) 52%, rgba(6, 16, 26, 0.05) 76%, rgba(6, 16, 26, 0.09) 100%);
  opacity: 1;
  transition: opacity 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.hero__fusion {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  gap: 44px;
  width: min(calc(100% - 40px), 1260px);
  padding: 0 56px;
  align-items: center;
}

.hero__copy {
  position: relative;
  z-index: 1;
  max-width: 620px;
  color: #fff;
}

.hero--fusion .eyebrow {
  color: #eaf2ff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero--fusion h1 {
  margin: 20px 0 0;
  max-width: none;
  font-size: clamp(32px, 3.4vw, 50px);
  text-shadow: 0 2px 26px rgba(0, 0, 0, 0.35);
}

.hero--fusion .hero__lead {
  max-width: 620px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.94);
  font-size: 16px;
  text-shadow: 0 1px 18px rgba(4, 12, 22, 0.5);
}

.hero--fusion .hero__actions {
  justify-content: flex-start;
  margin-top: 32px;
}

.hero--fusion .hero__stats {
  justify-content: flex-start;
  gap: 14px 46px;
  margin-top: 38px;
}

.hero--fusion .hero__stats li {
  text-align: left;
}

.hero--fusion .hero__stats li + li::before {
  left: -23px;
}

/* 成果卡 */
.hero__card {
  position: relative;
  z-index: 1;
  padding: 18px;
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 34px 80px rgba(3, 12, 24, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

/* ===== 首屏成果抽屉：默认只留一条把手，鼠标悬停感应带/把手划出 ===== */
.hero__card-handle,
.hero__drawer-zone {
  display: none;
}

@media (min-width: 1101px) {
  /* 文案暗晕：随文案移动；只在展开（文案在左）时出现，收起（居中）时由整幅压暗层接管 */
  .hero__copy::before {
    content: "";
    position: absolute;
    inset: -48px -72px;
    z-index: -1;
    border-radius: 50%;
    background: radial-gradient(closest-side, rgba(6, 16, 26, 0.38), rgba(6, 16, 26, 0.2) 62%, rgba(6, 16, 26, 0) 100%);
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
    pointer-events: none;
  }

  .hero--fusion.is-drawer-open .hero__copy::before {
    opacity: 1;
  }

  .hero--fusion.is-drawer-ready .hero__copy {
    transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
  }

  .hero--fusion:not(.is-drawer-open) .hero__copy {
    transform: translateX(var(--copy-shift, 0px));
  }

  /* 收起（文案居中）时左侧压暗淡出：左侧不留暗影；展开（文案回到左侧）时再淡入 */
  .hero--fusion:not(.is-drawer-open) .hero__bg::after {
    opacity: 0;
  }

  /* 收起（文案居中）态：整个图片区域统一压暗（取代围绕文字的椭圆暗晕） */
  .hero__bg-scrim {
    position: absolute;
    inset: 0;
    background: rgba(6, 16, 26, 0.45);
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
    pointer-events: none;
  }

  .hero--fusion:not(.is-drawer-open) .hero__bg-scrim {
    opacity: 1;
  }

  .hero__card--drawer {
    position: absolute;
    right: 24px;
    top: 50%;
    z-index: 2;
    width: min(610px, calc(100vw - 700px));
    transform: translate3d(calc(100% - 32px), -50%, 0);
    transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.6s ease;
    box-shadow: 0 18px 46px rgba(3, 12, 24, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    will-change: transform;
  }

  .hero--fusion.is-drawer-open .hero__card--drawer {
    transform: translate3d(0, -50%, 0);
    box-shadow: 0 34px 80px rgba(3, 12, 24, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.5) inset;
  }

  /* 收起时卡内内容淡出，只留一条干净把手，不露半张图 */
  .hero__card--drawer .hero__card-main,
  .hero__card--drawer .hero__card-strip {
    transition: opacity 0.45s ease 0.1s;
  }

  .hero--fusion:not(.is-drawer-open) .hero__card--drawer .hero__card-main,
  .hero--fusion:not(.is-drawer-open) .hero__card--drawer .hero__card-strip {
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .hero__card-handle {
    display: block;
    position: absolute;
    left: 7px;
    top: 50%;
    width: 30px;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    letter-spacing: 0.32em;
    text-indent: 0.32em;
    text-align: center;
    font-size: 12.5px;
    font-weight: 800;
    color: var(--brand-dark);
    transition: opacity 0.3s ease;
  }

  .hero--fusion.is-drawer-open .hero__card-handle {
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  /* 右侧感应带：进入即划出，不必精确瞄准把手 */
  .hero__drawer-zone {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    width: 150px;
  }

  /* 收起态：文案整体居中排版——逐行平滑位移，不重排、不跳行 */
  .hero__copy .eyebrow,
  .hero__line,
  .hero__actions,
  .hero__stats {
    transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
  }

  .hero__line {
    display: inline-block;
  }

  .hero__actions,
  .hero__stats {
    width: fit-content;
  }

  .hero--fusion:not(.is-drawer-open) .hero__copy .eyebrow,
  .hero--fusion:not(.is-drawer-open) .hero__line,
  .hero--fusion:not(.is-drawer-open) .hero__actions,
  .hero--fusion:not(.is-drawer-open) .hero__stats {
    transform: translateX(calc((var(--copy-w, 520px) - 100%) / 2));
  }

  .hero--fusion:not(.is-drawer-open) .hero__lead {
    text-align: center;
  }

  /* 一次轻推提示：进首屏 1.3s 后把手轻轻外移再回落，提示"这里能划开" */
  @keyframes heroDrawerNudge {
    0%, 100% {
      transform: translate3d(calc(100% - 32px), -50%, 0);
    }
    42% {
      transform: translate3d(calc(100% - 52px), -50%, 0);
    }
  }

  .hero--fusion.drawer-nudge .hero__card--drawer {
    animation: heroDrawerNudge 1.15s cubic-bezier(0.33, 0, 0.2, 1);
  }
}

.hero__card-main {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: #f6f9fd;
}

.hero__card-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.hero__card-strip figure {
  margin: 0;
}

.hero__card-strip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(23, 41, 58, 0.1);
  background: #fff;
}

.hero__card-strip figcaption {
  margin-top: 7px;
  color: var(--text-soft);
  font-size: 11.5px;
  text-align: center;
}

@media (max-width: 1100px) {
  .hero__fusion {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
    padding: 0;
  }

  .hero__copy {
    max-width: 720px;
  }
}

@media (max-width: 640px) {
  .hero--fusion {
    padding: 72px 0 56px;
  }

  .hero--fusion .hero__bg img {
    object-position: 50% 50%;
  }

  .hero__card {
    padding: 12px;
    border-radius: 20px;
  }

  .hero__card-strip {
    gap: 8px;
  }

  .hero__card-strip figcaption {
    font-size: 11px;
  }
}