:root {
  --ink: #081120;
  --ink-2: #101c34;
  --paper: #f5f7fb;
  --white: #fff;
  --muted: #6b768b;
  --line: rgba(12, 24, 46, 0.11);
  --blue: #5b55f6;
  --blue-2: #7657ff;
  --cyan: #19bff5;
  --green: #17b890;
  --orange: #ff8a39;
  --plum: #7d375f;
  --radius: 24px;
  --shadow: 0 22px 70px rgba(12, 27, 60, 0.12);
  --content: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.locked {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
}
img {
  max-width: 100%;
  display: block;
}
.wrap {
  width: var(--content);
  margin-inline: auto;
}
.section {
  padding: 112px 0;
  position: relative;
  overflow: hidden;
}
.section-sm {
  padding: 78px 0;
}
.section-dark {
  color: #fff;
  background: var(--ink);
}
.section-ink {
  color: #fff;
  background: linear-gradient(135deg, #07101e 0%, #111f3d 62%, #171433 100%);
}
.section-white {
  background: #fff;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}
.section-dark .eyebrow,
.section-ink .eyebrow {
  color: #66dcff;
}
.section-title {
  margin: 0;
  max-width: 790px;
  font-size: clamp(34px, 4.5vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.section-title em {
  color: var(--blue);
  font-style: normal;
}
.section-dark .section-title em,
.section-ink .section-title em {
  color: #77ddff;
}
.section-lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}
.section-dark .section-lead,
.section-ink .section-lead {
  color: #aebbd0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 52px;
}
.section-head .link-arrow {
  flex: 0 0 auto;
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-weight: 750;
}
.link-arrow span {
  transition: transform 0.2s ease;
}
.link-arrow:hover span {
  transform: translateX(5px);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(91, 85, 246, 0.09);
  color: var(--blue);
  font-size: 12px;
  font-weight: 750;
}
.tag-warm {
  color: #c96118;
  background: #fff0e3;
}
.tag-green {
  color: #08795f;
  background: #ddf9f0;
}
.tag-dark {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 760;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #7a54ff);
  box-shadow: 0 14px 30px rgba(91, 85, 246, 0.25);
}
.btn-secondary {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}
.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}
.btn-dark {
  color: #fff;
  background: var(--ink);
}
.text-cyan {
  color: #62dcff;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(21, 37, 68, 0.05);
}
.icon-box {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--blue);
  background: rgba(91, 85, 246, 0.1);
  font-size: 22px;
}
.notice {
  padding: 16px 18px;
  border-radius: 16px;
  background: #fff8e7;
  color: #7a5621;
  font-size: 13px;
  line-height: 1.65;
}

/* header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 72px;
  color: #fff;
  transition:
    background 0.25s ease,
    box-shadow 0.25s ease,
    color 0.25s ease;
}
.site-header.scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 30px rgba(10, 25, 55, 0.08);
}
.nav-wrap {
  width: min(1320px, calc(100vw - 34px));
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: cover;
}
.brand small {
  display: block;
  margin-top: 2px;
  opacity: 0.65;
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.08em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 700;
}
.main-nav a {
  opacity: 0.76;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  opacity: 1;
}
.nav-portal {
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}
.scrolled .nav-portal {
  border-color: var(--line);
}
.menu-btn {
  display: none;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 9px;
  font-size: 23px;
}

/* hero */
.hero {
  min-height: 760px;
  display: grid;
  align-items: center;
  color: #fff;
  background: #07101e;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 76% 42%,
      rgba(90, 85, 246, 0.26),
      transparent 29%
    ),
    radial-gradient(
      circle at 62% 63%,
      rgba(25, 191, 245, 0.16),
      transparent 27%
    );
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    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: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, #000 60%);
}
.hero-inner {
  width: var(--content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
  padding: 120px 0 70px;
}
.hero-copy h1 {
  margin: 0;
  font-size: clamp(44px, 4.8vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  white-space: nowrap;
}
.hero-copy h1 span {
  display: block;
  margin-top: 11px;
  color: #67ddff;
}
.hero-copy p {
  margin: 27px 0 0;
  max-width: 620px;
  color: #b8c4d8;
  font-size: 18px;
  line-height: 1.85;
}
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 32px;
  color: #b9c6da;
  font-size: 13px;
}
.hero-proof b {
  color: #fff;
}
.ecosystem {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}
.eco-rings {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 440px;
  height: 440px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(105, 220, 255, 0.15);
  border-radius: 50%;
}
.eco-rings::before,
.eco-rings::after {
  content: "";
  position: absolute;
  border: 1px dashed rgba(126, 105, 255, 0.25);
  border-radius: 50%;
  inset: 46px;
  animation: spin 28s linear infinite;
}
.eco-rings::after {
  inset: 118px;
  animation-direction: reverse;
  animation-duration: 18s;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.eco-core {
  position: relative;
  z-index: 3;
  width: 205px;
  height: 205px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 22px;
  border-radius: 50%;
  color: #fff;
  background: radial-gradient(circle at 35% 25%, #6e67ff, #312c95 62%, #11143b);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow:
    0 0 80px rgba(76, 88, 255, 0.42),
    inset 0 0 30px rgba(255, 255, 255, 0.14);
}
.eco-core strong {
  display: block;
  font-size: 22px;
  line-height: 1.15;
}
.eco-core span {
  display: block;
  margin-top: 9px;
  color: #cbd8ff;
  font-size: 11px;
  line-height: 1.5;
}
.eco-node {
  position: absolute;
  z-index: 4;
  width: 150px;
  padding: 13px 16px;
  border-radius: 16px;
  background: rgba(14, 30, 57, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(115, 215, 255, 0.22);
  box-shadow: 0 12px 38px rgba(0, 0, 0, 0.24);
}
.eco-node b {
  display: block;
  font-size: 14px;
}
.eco-node small {
  display: block;
  margin-top: 5px;
  color: #92a7c7;
  font-size: 10px;
  line-height: 1.4;
}
.n1 {
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
}
.n2 {
  right: 10px;
  top: 30%;
}
.n3 {
  right: 42px;
  bottom: 32px;
}
.n4 {
  left: 42px;
  bottom: 32px;
}
.n5 {
  left: 10px;
  top: 30%;
}
.eco-platform {
  position: absolute;
  top: -10px;
  right: -15px;
  z-index: 5;
  padding: 11px 15px;
  border-radius: 999px;
  color: #07101e;
  background: #6fe4ff;
  font-weight: 800;
  font-size: 12px;
  box-shadow: 0 0 30px rgba(104, 225, 255, 0.3);
}
.eco-network {
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  width: 82%;
  padding: 11px 15px;
  text-align: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #c5d2e6;
  font-size: 11px;
}

/* value ladder */
.ladder {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.ladder-card {
  padding: 30px;
  min-height: 330px;
  position: relative;
  overflow: hidden;
}
.ladder-card::after {
  content: attr(data-step);
  position: absolute;
  right: -8px;
  bottom: -32px;
  color: rgba(91, 85, 246, 0.06);
  font-size: 140px;
  font-weight: 950;
}
.ladder-card h3 {
  margin: 25px 0 13px;
  font-size: 27px;
  letter-spacing: -0.04em;
}
.ladder-card p {
  color: var(--muted);
  line-height: 1.75;
}
.check-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  position: relative;
  z-index: 1;
}
.check-list li {
  display: flex;
  gap: 9px;
  color: #3c485d;
  font-size: 13px;
  line-height: 1.55;
}
.check-list li::before {
  content: "✓";
  flex: 0 0 auto;
  color: var(--green);
  font-weight: 900;
}

/* category generations */
.generation-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 48px;
}
.gen-card {
  min-height: 340px;
  padding: 27px;
  border-radius: 22px;
  color: #aab7ca;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.09);
  position: relative;
  overflow: hidden;
}
.gen-card::after {
  content: attr(data-gen);
  position: absolute;
  right: -8px;
  bottom: -26px;
  color: rgba(255, 255, 255, 0.035);
  font-size: 112px;
  font-weight: 950;
}
.gen-card.current {
  color: #eaf5ff;
  background: linear-gradient(
    150deg,
    rgba(88, 78, 239, 0.92),
    rgba(29, 59, 99, 0.82)
  );
  border-color: rgba(125, 224, 255, 0.4);
  box-shadow: 0 18px 60px rgba(65, 70, 220, 0.25);
  transform: translateY(-15px);
}
.gen-card.future {
  background: linear-gradient(
    150deg,
    rgba(14, 116, 143, 0.5),
    rgba(38, 25, 79, 0.6)
  );
  border-color: rgba(100, 223, 255, 0.22);
}
.gen-version {
  color: #6bdfff;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
}
.gen-card h3 {
  margin: 17px 0 12px;
  color: #fff;
  font-size: 22px;
  letter-spacing: -0.03em;
}
.gen-card p {
  min-height: 63px;
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
}
.gen-card ul {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 9px;
  margin: 19px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  list-style: none;
  font-size: 11px;
  line-height: 1.5;
}
.gen-card li::before {
  content: "·";
  margin-right: 7px;
  color: #6bdfff;
}
.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border-radius: 999px;
  color: #b8c5d7;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px;
}
.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #29c99a;
  box-shadow: 0 0 10px currentColor;
}
.status-pill.testing::before {
  background: #ffd166;
}
.status-pill.roadmap::before {
  background: #6bdfff;
}
.difference-table {
  display: grid;
  margin-top: 46px;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
}
.difference-row {
  display: grid;
  grid-template-columns: 160px 1fr 1fr 1.15fr;
}
.difference-row > * {
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.difference-row > *:last-child {
  border-right: 0;
}
.difference-row:last-child > * {
  border-bottom: 0;
}
.difference-row.head {
  color: #fff;
  background: #081120;
  font-size: 13px;
  font-weight: 800;
}
.difference-row .label {
  color: #46546b;
  font-size: 12px;
  font-weight: 800;
  background: #f7f8fb;
}
.difference-row p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}
.difference-row .shine {
  color: #202d44;
  background: linear-gradient(
    120deg,
    rgba(91, 85, 246, 0.07),
    rgba(25, 191, 245, 0.06)
  );
  font-weight: 680;
}
.moat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 15px;
  margin-top: 42px;
}
.moat-card {
  min-height: 245px;
  padding: 24px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
}
.moat-card .moat-n {
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
}
.moat-card h3 {
  margin: 18px 0 10px;
  font-size: 18px;
}
.moat-card p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

/* service system */
.service-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 190px;
  gap: 18px;
}
.service-card {
  grid-column: span 4;
  padding: 26px;
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #12203a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
}
.service-card:nth-child(1) {
  grid-column: span 7;
  background: linear-gradient(135deg, #4338ca, #655cf6);
}
.service-card:nth-child(2) {
  grid-column: span 5;
  background: linear-gradient(135deg, #0b6d91, #154667);
}
.service-card:nth-child(3) {
  grid-column: span 5;
  background: linear-gradient(135deg, #a64c12, #4a2a1d);
}
.service-card:nth-child(4) {
  grid-column: span 4;
  background: linear-gradient(135deg, #183668, #172038);
}
.service-card:nth-child(5) {
  grid-column: span 3;
  background: linear-gradient(135deg, #166d59, #12352e);
}
.service-card:nth-child(6) {
  grid-column: span 12;
  background: linear-gradient(105deg, #075d57, #0e7891 55%, #4e45cd);
}
.service-card::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -80px;
  bottom: -100px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  box-shadow:
    0 0 0 30px rgba(255, 255, 255, 0.03),
    0 0 0 60px rgba(255, 255, 255, 0.02);
}
.service-card .num {
  opacity: 0.55;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.service-card h3 {
  margin: 17px 0 7px;
  font-size: 22px;
}
.service-card p {
  max-width: 420px;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  line-height: 1.6;
}

/* OS flow */
.order-flow {
  margin-top: 58px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  position: relative;
}
.order-flow::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, #5b55f6, #31c9ff);
}
.flow-item {
  position: relative;
  z-index: 2;
  text-align: center;
}
.flow-icon {
  width: 72px;
  height: 72px;
  margin: auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #101d36;
  border: 1px solid rgba(101, 218, 255, 0.32);
  box-shadow: 0 0 0 8px #081120;
  font-size: 23px;
}
.flow-item b {
  display: block;
  margin-top: 16px;
  font-size: 14px;
}
.flow-item small {
  display: block;
  margin-top: 7px;
  color: #8fa0bc;
  font-size: 11px;
  line-height: 1.45;
}

/* brands */
.brand-showcase {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  min-height: 500px;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #1c2524;
}
.brand-showcase + .brand-showcase {
  margin-top: 28px;
}
.brand-photo {
  min-height: 470px;
  background: var(--photo) center/cover no-repeat;
  position: relative;
}
.brand-photo::after {
  content: "空间方案示意";
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 11px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(0, 0, 0, 0.44);
  backdrop-filter: blur(8px);
  font-size: 10px;
}
.brand-content {
  padding: 54px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.brand-content .brand-code {
  color: #7fe3c6;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.brand-content h3 {
  margin: 13px 0;
  font-size: 42px;
  letter-spacing: -0.05em;
}
.brand-content .descriptor {
  color: #fff;
  font-size: 17px;
  font-weight: 730;
}
.brand-content p {
  color: #aab8b4;
  line-height: 1.75;
}
.brand-showcase.heart {
  background: #311a29;
}
.brand-showcase.heart .brand-code {
  color: #ffb0cf;
}
.brand-showcase.heart .brand-photo {
  order: 2;
}
.brand-showcase.heart .brand-content p {
  color: #cab3c1;
}
.micro-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 17px;
}
.micro-list span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  font-size: 11px;
}

/* cases */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 32px;
}
.filter-btn {
  padding: 10px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.filter-btn.active {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card {
  overflow: hidden;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.case-cover {
  height: 215px;
  background: var(--photo) center/cover no-repeat;
  position: relative;
}
.case-cover::after {
  content: "行业场景方案";
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgba(8, 17, 32, 0.65);
  backdrop-filter: blur(6px);
  font-size: 10px;
}
.case-body {
  padding: 24px;
}
.case-body h3 {
  margin: 11px 0 9px;
  font-size: 20px;
}
.case-body p {
  min-height: 66px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.case-meta {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  color: #506078;
  font-size: 11px;
}
.evidence-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  grid-template-rows: 290px 290px;
  gap: 18px;
  margin-top: 44px;
}
.evidence-item {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: #111a2b;
}
.evidence-item:first-child {
  grid-row: 1 / 3;
}
.evidence-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.evidence-caption {
  position: absolute;
  inset: auto 14px 14px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 13px;
  color: #fff;
  background: rgba(5, 11, 21, 0.72);
  backdrop-filter: blur(10px);
  font-size: 11px;
}
.evidence-caption b {
  font-size: 12px;
}
.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.proof-item {
  padding: 20px;
  border-radius: 17px;
  background: #fff;
  border: 1px solid var(--line);
}
.proof-item b {
  display: block;
  font-size: 14px;
}
.proof-item span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}
.tech-diagram {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: stretch;
  gap: 28px;
  margin-top: 45px;
}
.tech-node {
  min-height: 190px;
  padding: 24px;
  border-radius: 20px;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.11);
  position: relative;
}
.tech-node:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -22px;
  top: 50%;
  transform: translateY(-50%);
  color: #59d8ff;
  font-size: 20px;
}
.tech-node b {
  display: block;
  margin: 16px 0 8px;
  font-size: 16px;
}
.tech-node p {
  color: #90a3be;
  font-size: 11px;
  line-height: 1.65;
}
.concept-figure {
  padding: 30px;
  border-radius: 26px;
  background: #091426;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.concept-figure img {
  width: 100%;
  border-radius: 17px;
}

/* network */
.network-map {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 55px;
  align-items: center;
}
.network-stack {
  display: grid;
  gap: 14px;
}
.network-level {
  padding: 20px 23px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.network-level:nth-child(2) {
  margin-inline: 35px;
}
.network-level:nth-child(3) {
  margin-inline: 70px;
}
.network-level b {
  display: block;
  font-size: 17px;
}
.network-level span {
  display: block;
  margin-top: 6px;
  color: #91a2bd;
  font-size: 12px;
}
.network-copy h2 {
  margin: 0;
  font-size: clamp(35px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.045em;
}
.network-copy p {
  color: #a9b6ca;
  line-height: 1.8;
}

/* CTA */
.cta-band {
  padding: 78px;
  color: #fff;
  background: linear-gradient(125deg, #594ff0, #743fca 55%, #0da7cf);
  border-radius: 32px;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -100px;
  top: -110px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 0 0 60px rgba(255, 255, 255, 0.04),
    0 0 0 120px rgba(255, 255, 255, 0.03);
}
.cta-band h2 {
  position: relative;
  z-index: 2;
  margin: 0;
  max-width: 740px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.07;
  letter-spacing: -0.05em;
}
.cta-band p {
  position: relative;
  z-index: 2;
  max-width: 670px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
}
.cta-band .btns {
  position: relative;
  z-index: 2;
}

/* inner page hero */
.page-hero {
  min-height: 560px;
  padding: 155px 0 90px;
  color: #fff;
  background: linear-gradient(135deg, #07101e, #17274b 68%, #2e275e);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    radial-gradient(
      circle at 80% 40%,
      rgba(90, 210, 255, 0.65),
      transparent 24%
    ),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size:
    auto,
    60px 60px,
    60px 60px;
}
.page-hero .wrap {
  position: relative;
  z-index: 2;
}
.page-hero h1 {
  max-width: 900px;
  margin: 14px 0 0;
  font-size: clamp(50px, 7vw, 88px);
  line-height: 1;
  letter-spacing: -0.06em;
}
.page-hero p {
  max-width: 720px;
  color: #b7c4d8;
  font-size: 18px;
  line-height: 1.8;
}
.page-hero .breadcrumb {
  color: #7edfff;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.1em;
}
.page-hero.page-hero-photo {
  min-height: 650px;
  display: flex;
  align-items: flex-end;
  padding: 190px 0 92px;
  background: var(--page-photo) center / cover no-repeat;
}
.page-hero.page-hero-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(3, 8, 18, 0.96) 0%,
      rgba(3, 8, 18, 0.72) 44%,
      rgba(3, 8, 18, 0.16) 76%
    ),
    linear-gradient(0deg, rgba(3, 8, 18, 0.78), transparent 60%);
}
.page-hero.page-hero-photo::after {
  opacity: 0.08;
}
.page-hero.page-hero-photo p {
  color: rgba(255, 255, 255, 0.76);
}
.project-matrix {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.project-matrix-head {
  align-items: end;
}
.project-matrix-head > p {
  max-width: 470px;
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.project-matrix .case-cover {
  height: 230px;
}
.project-matrix .case-cover::after {
  display: none;
}
.project-card-body {
  min-height: 292px;
  display: flex;
  flex-direction: column;
  padding: 24px 22px 20px;
}
.project-card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.project-card-index {
  color: #9ba7b8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.project-matrix .tag-dark {
  color: #657186;
  background: #eef1f5;
  border-color: #e3e7ed;
}
.project-card-body h3 {
  margin: 23px 0 9px;
  font-size: clamp(23px, 1.75vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.045em;
}
.project-space-type {
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}
.project-card-body .project-formats {
  min-height: auto;
  margin: 12px 0 22px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}
.project-brand-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: auto -22px -20px;
  padding: 16px 22px;
  border-top: 1px solid var(--line);
  background: #f8f9fc;
}
.project-brand-name span {
  color: #929caf;
  font-size: 10px;
  font-weight: 700;
}
.project-brand-name strong {
  color: var(--ink);
  font-size: 15px;
}
.brand-hero {
  min-height: 760px;
  display: grid;
  align-items: end;
  color: #fff;
  background: var(--hero-photo) center/cover no-repeat;
  position: relative;
}
.brand-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(4, 10, 17, 0.92) 0%,
      rgba(4, 10, 17, 0.7) 42%,
      rgba(4, 10, 17, 0.14) 76%
    ),
    linear-gradient(0deg, rgba(4, 10, 17, 0.65), transparent 50%);
}
.brand-hero.right-copy::before {
  background:
    linear-gradient(
      270deg,
      rgba(20, 7, 18, 0.94) 0%,
      rgba(30, 11, 27, 0.72) 42%,
      rgba(14, 6, 13, 0.14) 76%
    ),
    linear-gradient(0deg, rgba(20, 7, 18, 0.58), transparent 50%);
}
.brand-hero .hero-inner-brand {
  width: var(--content);
  margin: 0 auto;
  padding: 150px 0 86px;
  position: relative;
  z-index: 2;
}
.brand-hero.right-copy .hero-inner-brand {
  display: flex;
  justify-content: flex-end;
}
.brand-hero-copy {
  max-width: 660px;
}
.brand-hero h1 {
  margin: 16px 0;
  font-size: clamp(52px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.065em;
}
.brand-hero p {
  color: #d0d5df;
  font-size: 18px;
  line-height: 1.75;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 27px;
}
.hero-stats span {
  padding: 9px 13px;
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
}
.photo-caption {
  position: absolute;
  right: 17px;
  bottom: 16px;
  z-index: 3;
  color: rgba(255, 255, 255, 0.66);
  font-size: 10px;
}

/* room types / investment */
.room-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.room-card {
  padding: 28px;
}
.room-card .room-no {
  color: var(--blue);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
}
.room-card h3 {
  margin: 15px 0 9px;
  font-size: 23px;
}
.room-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.room-card ul {
  margin: 18px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  color: #3e4c62;
  font-size: 12px;
  line-height: 1.9;
}
.invest-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: stretch;
}
.calc {
  padding: 32px;
}
.calc h3 {
  margin-top: 0;
  font-size: 25px;
}
.calc-basis {
  display: inline-flex;
  margin: -4px 0 26px;
  padding: 8px 12px;
  color: #315077;
  background: #edf5ff;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 750;
}
.calc-group-title {
  margin: 25px 0 12px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
}
.calc-group-title:first-of-type {
  margin-top: 0;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}
.field {
  display: grid;
  gap: 7px;
}
.field.full {
  grid-column: 1 / -1;
}
.field label {
  color: #4d5a6e;
  font-size: 12px;
  font-weight: 700;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  background: #f8f9fc;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(91, 85, 246, 0.1);
}
.calc-result {
  padding: 32px;
  color: #fff;
  background: var(--ink);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.calc-result .label {
  color: #93a5c0;
  font-size: 12px;
}
.calc-primary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
.calc-kpi {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.045);
}
.calc-result strong {
  display: block;
  margin: 5px 0 20px;
  color: #70e0ff;
  font-size: 44px;
  letter-spacing: -0.04em;
}
.calc-kpi strong {
  margin: 8px 0 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.05;
}
.calc-result dl {
  display: grid;
  gap: 13px;
  margin: 0;
}
.calc-result dl div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.calc-result dt {
  color: #92a2bb;
  font-size: 12px;
}
.calc-result dd {
  margin: 0;
  font-size: 13px;
  font-weight: 750;
}
.calc-result small {
  margin-top: 24px;
  color: #788aa6;
  line-height: 1.6;
}
.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.role-card {
  padding: 28px;
}
.role-card h3 {
  margin: 12px 0;
}
.role-card p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 13px;
}

/* OS page */
.stack-map {
  display: grid;
  gap: 12px;
  max-width: 930px;
  margin: 52px auto 0;
}
.stack-layer {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 30px;
  align-items: center;
  padding: 23px 28px;
  color: #fff;
  border-radius: 18px;
  background: linear-gradient(
    90deg,
    rgba(91, 85, 246, 0.95),
    rgba(28, 74, 115, 0.8)
  );
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.stack-layer:nth-child(2) {
  margin-inline: 25px;
  background: linear-gradient(90deg, #086f8c, #245776);
}
.stack-layer:nth-child(3) {
  margin-inline: 50px;
  background: linear-gradient(90deg, #17634f, #285348);
}
.stack-layer:nth-child(4) {
  margin-inline: 75px;
  background: linear-gradient(90deg, #8a4b1e, #513321);
}
.stack-layer:nth-child(5) {
  margin-inline: 100px;
  background: linear-gradient(90deg, #40365a, #29283b);
}
.stack-layer b {
  font-size: 18px;
}
.stack-layer span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  line-height: 1.6;
}
.ai-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 15px;
}
.ai-card {
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
}
.ai-card h3 {
  margin: 18px 0 9px;
  font-size: 17px;
}
.ai-card p {
  color: #91a3bd;
  font-size: 12px;
  line-height: 1.65;
}

/* timeline */
.timeline {
  display: grid;
  gap: 18px;
  border-left: 1px solid var(--line);
  padding-left: 34px;
}
.timeline-item {
  position: relative;
  padding: 7px 0 24px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -41px;
  top: 12px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(91, 85, 246, 0.12);
}
.timeline-item b {
  font-size: 17px;
}
.timeline-item p {
  color: var(--muted);
  line-height: 1.7;
}

/* forms */
.apply-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 50px;
}
.apply-types {
  display: grid;
  gap: 12px;
}
.apply-type {
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
}
.apply-type b {
  display: block;
}
.apply-type span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}
.apply-form {
  padding: 34px;
}
.form-note {
  margin-top: 15px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}
.form-status {
  display: none;
  margin-top: 15px;
  padding: 13px 15px;
  border-radius: 12px;
  color: #08795f;
  background: #e1f9f1;
  font-size: 12px;
}
.form-status.show {
  display: block;
}

/* OS portal */
.portal-page {
  min-height: 100vh;
  padding: 38px;
  color: #fff;
  background:
    radial-gradient(
      circle at 80% 18%,
      rgba(91, 85, 246, 0.28),
      transparent 30%
    ),
    radial-gradient(
      circle at 18% 82%,
      rgba(25, 191, 245, 0.14),
      transparent 28%
    ),
    #07101e;
  position: relative;
  overflow: hidden;
}
.portal-page::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
}
.portal-home {
  position: relative;
  z-index: 2;
  color: #aebdd3;
  font-size: 13px;
}
.portal-shell {
  width: min(1180px, calc(100vw - 76px));
  min-height: calc(100vh - 150px);
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(420px, 0.9fr);
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.portal-copy .brand {
  margin-bottom: 56px;
}
.portal-copy .tag {
  margin-bottom: 22px;
}
.portal-copy h1 {
  margin: 0;
  font-size: clamp(42px, 3.5vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}
.portal-title-line {
  display: block;
  white-space: nowrap;
}
.portal-copy p {
  max-width: 600px;
  margin: 25px 0 0;
  color: #aab9cf;
  font-size: 17px;
  line-height: 1.85;
}
.portal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 34px;
  color: #73ddff;
  font-size: 13px;
  font-weight: 700;
}
.portal-console {
  padding: 22px;
  border: 1px solid rgba(113, 220, 255, 0.2);
  border-radius: 30px;
  background: linear-gradient(
    150deg,
    rgba(20, 36, 68, 0.92),
    rgba(11, 20, 38, 0.9)
  );
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.35),
    inset 0 1px rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
}
.portal-console-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 4px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.portal-console-head span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff7979;
}
.portal-console-head span:nth-child(2) {
  background: #ffd166;
}
.portal-console-head span:nth-child(3) {
  background: #32d296;
}
.portal-console-head b {
  margin-left: auto;
  color: #90a3bf;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.portal-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 22px;
}
.portal-kpis div {
  padding: 20px;
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.portal-kpis small,
.portal-kpis em {
  display: block;
  color: #8597b2;
  font-size: 10px;
  font-style: normal;
}
.portal-kpis strong {
  display: block;
  margin: 9px 0 5px;
  color: #70e0ff;
  font-size: 25px;
}
.portal-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
  margin-top: 14px;
  padding: 28px 18px;
  border-radius: 17px;
  background: linear-gradient(
    120deg,
    rgba(91, 85, 246, 0.24),
    rgba(25, 191, 245, 0.08)
  );
}
.portal-flow span {
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 11px;
}
.portal-flow i {
  color: #5bdcff;
  font-style: normal;
}
.portal-ai {
  margin-top: 14px;
  padding: 22px;
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.04);
}
.portal-ai b {
  color: #fff;
}
.portal-ai p {
  margin: 8px 0 0;
  color: #8092ae;
  font-size: 11px;
}
.portal-foot {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #53647e;
  font-size: 11px;
}
.portal-foot a {
  color: #8296b4;
}

/* FAQ */
.faq {
  max-width: 900px;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  text-align: left;
  font-weight: 800;
}
.faq-q span:last-child {
  font-size: 22px;
  transition: transform 0.2s ease;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  transition: max-height 0.25s ease;
}
.faq-a p {
  margin: 0 0 22px;
}
.faq-item.open .faq-a {
  max-height: 220px;
}
.faq-item.open .faq-q span:last-child {
  transform: rotate(45deg);
}

/* footer */
.site-footer {
  color: #fff;
  background: #050b15;
  padding: 70px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 45px;
}
.footer-brand {
  max-width: 370px;
}
.footer-brand p {
  color: #7e8ca2;
  font-size: 13px;
  line-height: 1.75;
}
.footer-col h4 {
  margin: 4px 0 17px;
  font-size: 13px;
}
.footer-col a {
  display: block;
  margin: 11px 0;
  color: #8290a5;
  font-size: 12px;
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 55px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #59677b;
  font-size: 11px;
}

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

.cinematic-hero {
  position: relative;
  min-height: calc(100svh - 72px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  background:
    linear-gradient(
      90deg,
      rgba(3, 8, 18, 0.96) 0%,
      rgba(3, 8, 18, 0.74) 31%,
      rgba(3, 8, 18, 0.12) 66%
    ),
    linear-gradient(0deg, rgba(3, 8, 18, 0.72) 0%, transparent 42%),
    var(--hero-photo) center / cover no-repeat;
  overflow: hidden;
}
.cinematic-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at 64% 44%,
    transparent 0 28%,
    rgba(1, 5, 12, 0.1) 68%
  );
}
.cinematic-hero-inner {
  position: relative;
  z-index: 2;
  padding: clamp(160px, 22vh, 250px) 0 68px;
}
.cinematic-hero-copy {
  max-width: 1000px;
}
.hero-kicker {
  color: #9cdfff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.18em;
  margin-bottom: 22px;
}
.cinematic-hero h1 {
  margin: 0;
  font-size: clamp(58px, 6.8vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.07em;
  max-width: 900px;
}
.cinematic-hero h1.hero-title-long {
  max-width: 1000px;
  font-size: clamp(56px, 6vw, 92px);
  letter-spacing: -0.06em;
}
.cinematic-hero-copy > p {
  max-width: 660px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
  line-height: 1.7;
}
.cinematic-hero-copy > .hero-intro {
  max-width: 900px;
  font-size: 17px;
  line-height: 1.72;
}
.hero-intro span {
  display: block;
  margin-top: 6px;
}
.cinematic-hero .btns {
  margin-top: 34px;
}
.hero-signal {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 72px;
  max-width: 1080px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(7, 13, 25, 0.54);
  backdrop-filter: blur(18px);
}
.hero-signal span {
  min-height: 82px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 18px 20px;
  color: rgba(255, 255, 255, 0.67);
  font-size: 12px;
  line-height: 1.45;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-signal span:last-child {
  border-right: 0;
}
.hero-signal b {
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.08em;
}

@media (max-width: 1000px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 14px;
    right: 14px;
    display: none;
    padding: 20px;
    border-radius: 20px;
    color: var(--ink);
    background: #fff;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    padding: 13px 10px;
  }
  .nav-portal {
    display: none;
  }
  .menu-btn {
    display: block;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 140px;
  }
  .ecosystem {
    min-height: 500px;
  }
  .ladder,
  .grid-3,
  .case-grid,
  .room-grid,
  .role-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card,
  .service-card:nth-child(n) {
    grid-column: span 6;
  }
  .order-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px 10px;
  }
  .order-flow::before {
    display: none;
  }
  .brand-showcase {
    grid-template-columns: 1fr;
  }
  .brand-showcase.heart .brand-photo {
    order: 0;
  }
  .network-map,
  .invest-layout,
  .apply-layout {
    grid-template-columns: 1fr;
  }
  .ai-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .generation-map {
    grid-template-columns: repeat(2, 1fr);
  }
  .gen-card.current {
    transform: none;
  }
  .difference-table {
    overflow-x: auto;
  }
  .difference-row {
    min-width: 850px;
  }
  .moat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .evidence-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 390px 250px;
  }
  .evidence-item:first-child {
    grid-column: 1 / 3;
    grid-row: auto;
  }
  .proof-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-diagram {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-node:not(:last-child)::after {
    display: none;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portal-shell {
    grid-template-columns: 1fr;
    padding: 90px 0 60px;
    gap: 45px;
  }
  .hero-signal {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-signal span:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 680px) {
  :root {
    --content: min(100% - 28px, 1180px);
    --radius: 19px;
  }
  .section {
    padding: 76px 0;
  }
  .section-head {
    display: block;
    margin-bottom: 34px;
  }
  .section-head .link-arrow {
    margin-top: 20px;
  }
  .project-matrix-head > p {
    margin-top: 18px;
  }
  .project-card-body {
    min-height: 255px;
  }
  .project-card-body h3 {
    font-size: 28px;
  }
  .section-lead {
    font-size: 15px;
  }
  .hero {
    min-height: 900px;
  }
  .cinematic-hero {
    min-height: 760px;
    align-items: flex-end;
    background:
      linear-gradient(
        0deg,
        rgba(3, 8, 18, 0.98) 0%,
        rgba(3, 8, 18, 0.7) 48%,
        rgba(3, 8, 18, 0.06) 78%
      ),
      var(--hero-photo) 66% center / cover no-repeat;
  }
  .cinematic-hero-inner {
    padding: 260px 0 42px;
  }
  .cinematic-hero h1 {
    font-size: clamp(46px, 13.5vw, 64px);
  }
  .cinematic-hero h1.hero-title-long {
    font-size: clamp(42px, 12vw, 58px);
    line-height: 1;
  }
  .cinematic-hero-copy > p {
    font-size: 15px;
    line-height: 1.65;
  }
  .cinematic-hero-copy > .hero-intro {
    font-size: 14px;
    line-height: 1.6;
  }
  .hero-signal {
    margin-top: 38px;
    grid-template-columns: 1fr 1fr;
  }
  .hero-signal span {
    min-height: 74px;
    padding: 14px;
  }
  .hero-inner {
    gap: 20px;
    padding-top: 116px;
  }
  .hero-copy h1 {
    font-size: clamp(40px, 11.2vw, 48px);
  }
  .hero-copy p {
    font-size: 15px;
  }
  .hero-proof {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .ecosystem {
    transform: scale(0.83);
    margin-inline: -35px;
    min-height: 460px;
  }
  .eco-platform {
    right: 15px;
  }
  .ladder,
  .grid-2,
  .grid-3,
  .grid-4,
  .case-grid,
  .room-grid,
  .role-grid {
    grid-template-columns: 1fr;
  }
  .service-grid {
    grid-auto-rows: auto;
  }
  .service-card,
  .service-card:nth-child(n) {
    grid-column: 1/-1;
    min-height: 180px;
  }
  .order-flow {
    grid-template-columns: repeat(2, 1fr);
  }
  .brand-content {
    padding: 32px 24px;
  }
  .brand-content h3 {
    font-size: 34px;
  }
  .brand-photo {
    min-height: 330px;
  }
  .cta-band {
    padding: 44px 25px;
    border-radius: 24px;
  }
  .page-hero {
    min-height: 500px;
    padding-top: 130px;
  }
  .page-hero.page-hero-photo {
    min-height: 580px;
    padding: 170px 0 62px;
    background-position: 60% center;
  }
  .page-hero h1 {
    font-size: 46px;
  }
  .brand-hero {
    min-height: 740px;
    background-position: 62% center;
  }
  .brand-hero.right-copy {
    background-position: 32% center;
  }
  .brand-hero.right-copy::before {
    background: linear-gradient(
      0deg,
      rgba(20, 7, 18, 0.95),
      rgba(20, 7, 18, 0.23) 80%
    );
  }
  .brand-hero::before {
    background: linear-gradient(
      0deg,
      rgba(4, 10, 17, 0.96),
      rgba(4, 10, 17, 0.15) 80%
    );
  }
  .brand-hero.right-copy .hero-inner-brand {
    display: block;
  }
  .brand-hero .hero-inner-brand {
    padding-bottom: 52px;
  }
  .brand-hero h1 {
    font-size: 52px;
  }
  .network-level:nth-child(n),
  .stack-layer:nth-child(n) {
    margin-inline: 0;
  }
  .stack-layer {
    grid-template-columns: 1fr;
    gap: 7px;
  }
  .ai-grid {
    grid-template-columns: 1fr;
  }
  .generation-map,
  .moat-grid {
    grid-template-columns: 1fr;
  }
  .evidence-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 280px);
  }
  .evidence-item:first-child {
    grid-column: auto;
  }
  .proof-strip,
  .tech-diagram {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .calc,
  .calc-result {
    padding: 24px;
  }
  .calc-primary-grid {
    grid-template-columns: 1fr;
  }
  .field.full {
    grid-column: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
  }
  .photo-caption {
    display: none;
  }
  .portal-page {
    padding: 22px 14px;
  }
  .portal-shell {
    width: 100%;
  }
  .portal-copy .brand {
    margin-bottom: 40px;
  }
  .portal-copy h1 {
    font-size: 43px;
  }
  .portal-title-line {
    white-space: normal;
    word-break: keep-all;
  }
  .portal-kpis {
    grid-template-columns: 1fr;
  }
  .portal-flow {
    overflow: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* 同城流量 · 微信视频号团购 */
.traffic-hero {
  position: relative;
  min-height: 860px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 28%, rgba(0, 213, 184, 0.2), transparent 25%),
    radial-gradient(circle at 70% 90%, rgba(91, 85, 246, 0.26), transparent 34%),
    linear-gradient(135deg, #040b14 0%, #071a22 52%, #11132e 100%);
}
.traffic-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, #000 54%, #000);
}
.traffic-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 72px;
  min-height: 760px;
  padding-top: 110px;
}
.traffic-channel-brand {
  display: flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  padding: 7px 16px 7px 10px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(0,0,0,.22);
}
.traffic-channel-brand img {
  display: block;
  width: 190px;
  height: 48px;
  object-fit: cover;
  object-position: center;
}
.traffic-provider-title {
  margin-top: 30px;
  color: #53e2c2;
  font-size: clamp(30px,3.6vw,52px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.055em;
}
.traffic-hero-copy h1 {
  max-width: 760px;
  margin: 20px 0 26px;
  font-size: clamp(52px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.065em;
}
.traffic-hero-copy h1 em,
.traffic-hero-copy h1 strong {
  color: #53e2c2;
  font-style: normal;
}
.traffic-hero-copy h1 strong { font-weight: 950; }
.traffic-hero-copy > p {
  max-width: 680px;
  margin: 0;
  color: rgba(255,255,255,.7);
  font-size: 18px;
  line-height: 1.82;
}
.traffic-hero-visual {
  position: relative;
  padding: 42px 18px;
}
.traffic-screen-card {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 48px;
  background: rgba(255,255,255,.08);
  box-shadow: 0 38px 90px rgba(0,0,0,.42);
  backdrop-filter: blur(18px);
}
.traffic-screen-card img {
  width: 100%;
  border-radius: 36px;
}
.traffic-float-card {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 4px;
  min-width: 170px;
  padding: 17px 20px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 18px;
  background: rgba(4,12,20,.84);
  box-shadow: 0 18px 45px rgba(0,0,0,.26);
  backdrop-filter: blur(16px);
}
.traffic-float-card b { font-size: 15px; }
.traffic-float-card span { color: #8fa2b7; font-size: 12px; }
.traffic-float-top { top: 7px; right: -28px; }
.traffic-float-bottom { bottom: 8px; left: -26px; }
.traffic-entry-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 22px 22px 0 0;
  background: rgba(255,255,255,.055);
  backdrop-filter: blur(18px);
}
.traffic-entry-strip span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 82px;
  color: rgba(255,255,255,.74);
  font-size: 13px;
  font-weight: 700;
  border-right: 1px solid rgba(255,255,255,.1);
}
.traffic-entry-strip span:last-child { border-right: 0; }
.traffic-entry-strip b { color: #53e2c2; font-size: 11px; letter-spacing: .08em; }

.traffic-opportunity {
  position: relative;
  z-index: 4;
  padding: 72px 0 18px;
}
.traffic-opportunity-card {
  display: grid;
  grid-template-columns: 180px minmax(0,1fr) 310px;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid #d9e0ea;
  border-radius: 32px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(12,25,46,.12);
}
.traffic-opportunity-date {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 390px;
  padding: 38px 30px;
  color: #fff;
  background: linear-gradient(155deg,#070d17 0%,#0b2630 56%,#075d57 100%);
}
.traffic-opportunity-date span {
  color: rgba(255,255,255,.64);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
}
.traffic-opportunity-date b {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: #53e2c2;
  font-size: 39px;
  line-height: 1;
  letter-spacing: -.035em;
}
.traffic-opportunity-copy {
  padding: 48px 54px;
}
.traffic-opportunity-copy h2 {
  margin: 18px 0 22px;
  color: #07111f;
  font-size: clamp(42px,4.4vw,64px);
  line-height: 1.02;
  letter-spacing: -.06em;
}
.traffic-opportunity-copy h2 em {
  color: #0f8b7d;
  font-style: normal;
}
.traffic-opportunity-copy p {
  max-width: 720px;
  margin: 0;
  color: #5d6d82;
  font-size: 16px;
  line-height: 1.85;
}
.traffic-opportunity-action {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px 36px;
  color: #fff;
  background: #5b55f6;
}
.traffic-opportunity-action span {
  color: rgba(255,255,255,.66);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}
.traffic-opportunity-action strong {
  margin: 22px 0 48px;
  font-size: 25px;
  line-height: 1.42;
}
.traffic-opportunity-action a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}
.traffic-opportunity-action i { font-size: 22px; font-style: normal; }

.traffic-intro-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 90px;
}
.traffic-value-list {
  display: grid;
  gap: 12px;
  margin-top: 38px;
}
.traffic-value-list div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.traffic-value-list b { font-size: 16px; }
.traffic-value-list span { color: var(--muted); font-size: 14px; line-height: 1.7; }
.traffic-phone-proof {
  width: min(100%, 455px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: #08101b;
  box-shadow: var(--shadow);
}
.traffic-phone-proof img {
  width: 100%;
  max-height: 670px;
  object-fit: contain;
  object-position: top;
}
.traffic-phone-proof figcaption {
  padding: 14px 18px;
  color: #9ba8ba;
  background: #08101b;
  font-size: 11px;
  line-height: 1.5;
}
.traffic-head-note {
  max-width: 250px;
  margin: 0 0 8px;
  color: #95a5ba;
  font-size: 13px;
  line-height: 1.7;
}
.traffic-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 18px;
}
.traffic-flow-step {
  position: relative;
  min-width: 0;
}
.traffic-flow-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 178px;
  right: -17px;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #53e2c2;
  border: 1px solid rgba(83,226,194,.4);
  border-radius: 50%;
  background: #0b1730;
  font-size: 15px;
}
.traffic-flow-no {
  display: block;
  margin-bottom: 10px;
  color: #53e2c2;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}
.traffic-device {
  overflow: hidden;
  min-height: 360px;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 34px;
  background: #f8fafc;
  box-shadow: 0 24px 60px rgba(0,0,0,.2);
}
.traffic-device-bar {
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #526176;
  font-size: 10px;
  font-weight: 750;
}
.traffic-device-bar::before {
  content: "";
  width: 42px;
  height: 5px;
  margin-right: 10px;
  border-radius: 99px;
  background: #d7dde5;
}
.traffic-device-visual {
  min-height: 285px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px 12px;
  color: #102030;
  border-radius: 26px;
  text-align: center;
}
.traffic-device-video { background: linear-gradient(155deg,#dffaf2,#dce4ff); }
.traffic-device-map { background: linear-gradient(155deg,#e5f6ff,#e5fff6); }
.traffic-device-coupon { background: linear-gradient(155deg,#fff4db,#ffe7d4); }
.traffic-device-check { background: linear-gradient(155deg,#e8e3ff,#e9f3ff); }
.traffic-device-member { background: linear-gradient(155deg,#dff9ec,#d7f1ff); }
.traffic-device-icon {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 24px;
  background: linear-gradient(135deg,#08b98c,#5b55f6);
  box-shadow: 0 14px 30px rgba(40,103,143,.2);
  font-size: 25px;
  font-weight: 900;
}
.traffic-device-visual b { font-size: 15px; }
.traffic-device-visual small { color: #718096; font-size: 10px; line-height: 1.5; }
.traffic-flow-step h3 { margin: 22px 0 8px; font-size: 17px; }
.traffic-flow-step p { margin: 0; color: #8ea0b8; font-size: 12px; line-height: 1.6; }

.traffic-service-grid {
  display: grid;
  grid-template-columns: repeat(12,1fr);
  gap: 18px;
}
.traffic-service-card {
  grid-column: span 4;
  min-height: 280px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 12px 38px rgba(21,37,68,.055);
}
.traffic-service-card > span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}
.traffic-service-card h3 {
  max-width: 520px;
  margin: 22px 0 14px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -.025em;
}
.traffic-service-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.traffic-service-card small { display:block; margin-top: 22px; color: rgba(255,255,255,.62); line-height: 1.6; }
.traffic-service-main {
  grid-column: span 8;
  color: #fff;
  background:
    radial-gradient(circle at 82% 20%,rgba(83,226,194,.22),transparent 30%),
    linear-gradient(135deg,#07121f,#102440);
}
.traffic-service-main > span { color: #53e2c2; }
.traffic-service-main p { color: #aebbc9; }
.traffic-service-tags { display: flex; flex-wrap:wrap; gap: 8px; margin-top: 28px; }
.traffic-service-tags b { padding: 8px 11px; border:1px solid rgba(255,255,255,.14); border-radius:999px; font-size:11px; }
.traffic-service-accent {
  grid-column: span 8;
  color: #fff;
  background: linear-gradient(135deg,#5b55f6,#6c3ed2 58%,#0e9ec0);
}
.traffic-service-accent > span { color: #aef2ff; }
.traffic-service-accent p { color: rgba(255,255,255,.75); }

.traffic-operation-gallery {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 22px;
}
.traffic-operation-item {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #0a111d;
  box-shadow: 0 18px 50px rgba(15,30,60,.08);
}
.traffic-operation-item img {
  width: 100%;
  height: 520px;
  object-fit: contain;
  object-position: center top;
  background: #080f19;
}
.traffic-operation-item figcaption { display:grid; gap:5px; padding:22px 24px; color:#fff; }
.traffic-operation-item figcaption b { font-size:18px; }
.traffic-operation-item figcaption span { color:#8998ac; font-size:12px; }

.traffic-system-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 90px;
}
.traffic-system-copy .link-arrow { margin-top: 30px; }
.traffic-system-map { padding: 38px; border:1px solid rgba(255,255,255,.12); border-radius:32px; background:rgba(255,255,255,.04); }
.traffic-system-node { display:grid; gap:7px; padding:24px 28px; border-radius:20px; }
.traffic-system-node b { font-size:20px; }
.traffic-system-node span { font-size:12px; line-height:1.6; }
.traffic-system-source { color:#0f4e43; background:#dff9f0; }
.traffic-system-core { color:#fff; background:linear-gradient(135deg,#5b55f6,#764cf0); box-shadow:0 18px 45px rgba(91,85,246,.3); }
.traffic-system-store { color:#193149; background:#e5f5ff; }
.traffic-system-line { position:relative; height:74px; display:grid; place-items:center; color:#7f91a8; font-size:10px; }
.traffic-system-line::before { content:""; position:absolute; top:9px; bottom:9px; left:50%; width:1px; background:linear-gradient(#53e2c2,#5b55f6); }
.traffic-system-line::after { content:"↓"; position:relative; width:28px; height:28px; display:grid; place-items:center; color:#fff; border-radius:50%; background:#16223a; }
.traffic-system-line span { position:absolute; left:calc(50% + 28px); white-space:nowrap; }

.traffic-industry-grid { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line); }
.traffic-industry-grid article { min-height:230px; padding:32px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:#fff; }
.traffic-industry-grid article > span { color:var(--blue); font-size:11px; font-weight:800; }
.traffic-industry-grid h3 { margin:44px 0 12px; font-size:22px; }
.traffic-industry-grid p { margin:0; color:var(--muted); font-size:13px; line-height:1.7; }

.traffic-case-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px; }
.traffic-case-grid a { overflow:hidden; border:1px solid var(--line); border-radius:24px; background:#fff; box-shadow:0 10px 32px rgba(20,40,70,.055); transition:transform .2s ease, box-shadow .2s ease; }
.traffic-case-grid a:hover { transform:translateY(-4px); box-shadow:var(--shadow); }
.traffic-case-grid img { width:100%; aspect-ratio:1.875/1; object-fit:contain; background:#f7f9fc; }
.traffic-case-grid a > span { display:grid; gap:5px; padding:20px 22px; }
.traffic-case-grid b { font-size:17px; }
.traffic-case-grid small { color:var(--muted); }
.traffic-source-note { max-width:880px; margin:25px 0 0; color:#8a95a6; font-size:11px; line-height:1.7; }

.traffic-advantage-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; overflow:hidden; border:1px solid rgba(255,255,255,.1); border-radius:26px; background:rgba(255,255,255,.1); }
.traffic-advantage-grid article { min-height:290px; padding:34px 28px; background:#0b1528; }
.traffic-advantage-grid span { color:#53e2c2; font-size:10px; font-weight:800; letter-spacing:.13em; }
.traffic-advantage-grid h3 { margin:54px 0 14px; font-size:23px; }
.traffic-advantage-grid p { margin:0; color:#8d9db2; font-size:13px; line-height:1.75; }
.traffic-cta { background:linear-gradient(125deg,#075d57,#187990 58%,#5b55f6); }
.traffic-cta-kicker { position:relative; z-index:2; display:block; margin-bottom:22px; color:#a8fff0; font-size:11px; font-weight:800; letter-spacing:.12em; }
.traffic-compliance { position:relative; z-index:2; display:block; max-width:780px; margin-top:28px; color:rgba(255,255,255,.58); font-size:11px; line-height:1.65; }

@media (max-width: 1000px) {
  .traffic-hero-grid, .traffic-intro-grid, .traffic-system-grid { grid-template-columns:1fr; }
  .traffic-hero-grid { padding-top:150px; gap:20px; }
  .traffic-hero-copy { max-width:780px; }
  .traffic-hero-visual { width:min(100%,680px); margin:auto; }
  .traffic-flow { grid-template-columns:repeat(2,1fr); }
  .traffic-flow-step:not(:last-child)::after { display:none; }
  .traffic-service-card, .traffic-service-main, .traffic-service-accent { grid-column:span 6; }
  .traffic-operation-gallery { grid-template-columns:1fr 1fr; }
  .traffic-operation-item:last-child { grid-column:1/-1; }
  .traffic-industry-grid { grid-template-columns:repeat(2,1fr); }
  .traffic-advantage-grid { grid-template-columns:repeat(2,1fr); }
  .traffic-opportunity-card { grid-template-columns:140px 1fr; }
  .traffic-opportunity-action { grid-column:1/-1; }
  .traffic-opportunity-action strong { margin-bottom:30px; }
}

@media (max-width: 680px) {
  .traffic-hero { min-height:auto; }
  .traffic-hero-grid { min-height:0; padding-top:125px; }
  .traffic-channel-brand { padding:5px 12px 5px 8px; }
  .traffic-channel-brand img { width:148px; height:38px; }
  .traffic-provider-title { margin-top:24px; font-size:clamp(31px,9.5vw,42px); }
  .traffic-hero-copy h1 { font-size:clamp(42px,12vw,56px); }
  .traffic-hero-copy > p { font-size:15px; line-height:1.7; }
  .traffic-hero-visual { padding:28px 0 55px; }
  .traffic-screen-card { padding:8px; border-radius:28px; }
  .traffic-screen-card img { border-radius:22px; }
  .traffic-float-card { min-width:135px; padding:12px 14px; }
  .traffic-float-top { right:-4px; }
  .traffic-float-bottom { left:-4px; }
  .traffic-entry-strip { grid-template-columns:1fr 1fr; border-radius:18px 18px 0 0; }
  .traffic-entry-strip span { min-height:64px; border-bottom:1px solid rgba(255,255,255,.1); }
  .traffic-entry-strip span:nth-child(2) { border-right:0; }
  .traffic-value-list div { grid-template-columns:1fr; gap:7px; }
  .traffic-phone-proof img { max-height:610px; }
  .traffic-head-note { margin-top:18px; }
  .traffic-flow { grid-template-columns:1fr; gap:34px; }
  .traffic-device { max-width:270px; margin:auto; }
  .traffic-flow-step { text-align:center; }
  .traffic-service-grid { grid-template-columns:1fr; }
  .traffic-service-card, .traffic-service-main, .traffic-service-accent { grid-column:1; min-height:0; padding:27px; }
  .traffic-service-card h3 { font-size:22px; }
  .traffic-operation-gallery { grid-template-columns:1fr; }
  .traffic-operation-item:last-child { grid-column:auto; }
  .traffic-operation-item img { height:460px; }
  .traffic-system-map { padding:20px; }
  .traffic-system-node { padding:20px; }
  .traffic-system-line span { display:none; }
  .traffic-industry-grid { grid-template-columns:1fr; }
  .traffic-industry-grid article { min-height:190px; }
  .traffic-case-grid { grid-template-columns:1fr; }
  .traffic-advantage-grid { grid-template-columns:1fr; }
  .traffic-advantage-grid article { min-height:220px; }
  .traffic-advantage-grid h3 { margin-top:34px; }
  .traffic-opportunity { padding:34px 0 10px; }
  .traffic-opportunity-card { display:block; border-radius:24px; }
  .traffic-opportunity-date { min-height:0; padding:22px 24px; }
  .traffic-opportunity-date b { margin-top:26px; writing-mode:horizontal-tb; transform:none; font-size:34px; }
  .traffic-opportunity-copy { padding:34px 24px; }
  .traffic-opportunity-copy h2 { font-size:clamp(38px,11vw,50px); }
  .traffic-opportunity-copy p { font-size:15px; line-height:1.75; }
  .traffic-opportunity-action { padding:32px 24px; }
  .traffic-opportunity-action strong { margin:18px 0 28px; font-size:22px; }
}

/* Self-operated project photography and planning boards */
.project-visual-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.project-safety-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, .55fr);
  align-items: stretch;
  gap: 38px;
}
.project-safety-photo,
.project-photo-card,
.project-planning-card,
.project-scene-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 18px 55px rgba(21, 37, 68, .08);
}
.project-safety-photo img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
}
.project-safety-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px 0;
}
.project-safety-copy h2 {
  margin: 16px 0 18px;
  font-size: clamp(36px, 4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.project-safety-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}
.project-safety-list {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--line);
}
.project-safety-list span {
  padding: 14px 16px;
  background: #fff;
  font-size: 13px;
  font-weight: 750;
}
.project-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.project-photo-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.project-photo-card figcaption,
.project-planning-card figcaption {
  display: grid;
  gap: 6px;
  padding: 20px 22px 22px;
}
.project-photo-card figcaption b,
.project-planning-card figcaption b {
  font-size: 18px;
}
.project-photo-card figcaption span,
.project-planning-card figcaption span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.project-scene-card {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .45fr);
  margin-top: 24px;
  color: #fff;
  border-color: rgba(255, 255, 255, .08);
  background: #081120;
}
.project-scene-card img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
}
.project-scene-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px;
}
.project-scene-copy span {
  color: #53e2c2;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .1em;
}
.project-scene-copy h3 {
  margin: 18px 0 14px;
  font-size: 32px;
  line-height: 1.15;
}
.project-scene-copy p {
  margin: 0;
  color: #93a4bb;
  line-height: 1.75;
}
.project-planning-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.project-planning-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #07101d;
}
.brand-mini-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}
.brand-mini-gallery img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 14px;
}

@media (max-width: 1000px) {
  .project-safety-feature,
  .project-scene-card {
    grid-template-columns: 1fr;
  }
  .project-safety-photo img,
  .project-scene-card img {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }
  .project-safety-copy { padding: 8px 0 0; }
  .project-photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .project-safety-feature { gap: 24px; }
  .project-safety-photo,
  .project-photo-card,
  .project-planning-card,
  .project-scene-card { border-radius: 20px; }
  .project-safety-copy h2 { font-size: 38px; }
  .project-photo-grid,
  .project-planning-grid { grid-template-columns: 1fr; }
  .project-scene-copy { padding: 28px 24px 32px; }
  .project-scene-copy h3 { font-size: 27px; }
}