:root {
  --ink: #101828;
  --muted: #667085;
  --line: #d8e3ec;
  --soft: #fff8f2;
  --panel: #ffffff;
  --brand: #f4511e;
  --brand-2: #ff9800;
  --navy: #12263a;
  --blue: #1b75bb;
  --amber: #d98b00;
  --violet: #6f52c8;
  --shadow: 0 18px 46px rgba(16, 24, 40, .1);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.topbar {
  background: #111827;
  color: #fff3e0;
  font-size: 13px;
}
.topbar .wrap, .header .wrap, .container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 9px 0;
}
.header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid rgba(216,227,236,.9);
  backdrop-filter: blur(14px);
}
.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
}
.brand-mark {
  display: block;
  width: 46px;
  height: 46px;
  overflow: hidden;
  flex: 0 0 auto;
}
.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand strong {
  display: block;
  font-size: 23px;
  letter-spacing: 0;
}
.brand-text {
  display: block;
}
.brand-text span {
  display: block;
  margin-top: 3px;
  color: #778391;
  font-size: 12px;
  font-weight: 700;
}
.nav {
  display: flex;
  align-items: center;
  gap: 25px;
  color: #435060;
  font-size: 15px;
  font-weight: 700;
}
.nav a {
  position: relative;
  padding: 28px 0;
}
.nav a:hover, .nav a.active { color: var(--brand); }
.nav a.active::after {
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 3px;
  border-radius: 999px;
  background: var(--brand);
  content: "";
}
.menu {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(244,81,30,.2); }
.btn.secondary { border-color: #ffcc80; background: #fff; color: var(--brand); }
.btn.dark { background: var(--navy); }
.btn.compact {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.inline-link {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  color: var(--brand);
  font-weight: 900;
}
.inline-link:hover { text-decoration: underline; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 66px;
  background:
    linear-gradient(135deg, rgba(244,81,30,.08), rgba(255,255,255,.9) 45%, rgba(27,117,187,.1)),
    #f8fbf9;
}
.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18,38,58,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,38,58,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 84%, transparent);
  content: "";
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .88fr);
  gap: 58px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 16px;
  font-weight: 900;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: 0;
}
h2 {
  max-width: 820px;
  margin-bottom: 16px;
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}
h3 { line-height: 1.32; }
.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.75;
}
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid #ffe0b2;
  border-radius: 999px;
  background: #fff3e0;
  color: #b91c1c;
  font-size: 14px;
  font-weight: 800;
}

.system-art {
  position: relative;
  min-height: 520px;
  padding: 24px;
  border: 1px solid rgba(216,227,236,.9);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.app-window {
  overflow: hidden;
  border: 1px solid #d8e3ec;
  border-radius: var(--radius);
  background: #fff;
}
.window-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid #e7eef4;
  background: #f7fafc;
}
.dots { display: flex; gap: 6px; }
.dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #cbd5df;
}
.window-body {
  display: grid;
  grid-template-columns: 132px 1fr;
  min-height: 360px;
}
.sidebar {
  padding: 18px 14px;
  border-right: 1px solid #e7eef4;
  background: #102a43;
}
.side-line {
  height: 13px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.32);
}
.side-line.short { width: 64%; }
.main-panel { padding: 20px; }
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.metric {
  padding: 16px;
  border: 1px solid #e3ebf1;
  border-radius: var(--radius);
  background: #fbfdfc;
}
.metric strong {
  display: block;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 22px;
}
.chart {
  height: 172px;
  padding: 18px;
  border: 1px solid #e3ebf1;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #f8fbf9);
}
.bars {
  display: flex;
  align-items: end;
  gap: 12px;
  height: 116px;
}
.bars span {
  flex: 1;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--brand-2), var(--brand));
}
.float-card {
  position: absolute;
  right: 0;
  bottom: 30px;
  width: 260px;
  padding: 18px;
  border: 1px solid #d8e3ec;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 40px rgba(16,24,40,.16);
}
.float-card strong { display: block; margin-bottom: 10px; }
.progress {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7eef4;
}
.progress span { display: block; width: 72%; height: 100%; background: var(--brand); }

.section { padding: 82px 0; }
.soft { background: var(--soft); }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 36px;
}
.section-head .lead { max-width: 520px; margin-bottom: 0; font-size: 18px; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 30px rgba(16,24,40,.045);
}
.solution-card, .case-card, .info-card {
  padding: 28px;
}
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.service-switcher {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: stretch;
}
.service-menu {
  display: grid;
  gap: 12px;
}
.service-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  grid-template-areas:
    "icon title"
    "icon meta";
  column-gap: 14px;
  align-items: center;
  min-height: 84px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(16,24,40,.04);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.service-card:hover,
.service-card.active {
  transform: translateX(3px);
  border-color: rgba(244,81,30,.5);
  background: #fff8f2;
  box-shadow: var(--shadow);
}
.service-card strong {
  grid-area: title;
  color: var(--ink);
  font-size: 18px;
}
.service-card em {
  grid-area: meta;
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}
.icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  border-radius: var(--radius);
  background: rgba(244,81,30,.12);
  color: var(--brand);
  font-weight: 900;
}
.service-card .icon {
  grid-area: icon;
  margin-bottom: 0;
}
.icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
}
.solution-card .icon {
  width: 54px;
  height: 54px;
}
.service-card:nth-child(2) .icon, .solution-card:nth-child(2) .icon { color: var(--blue); background: rgba(27,117,187,.12); }
.service-card:nth-child(3) .icon, .solution-card:nth-child(3) .icon { color: var(--amber); background: rgba(217,139,0,.13); }
.service-card:nth-child(4) .icon, .solution-card:nth-child(4) .icon { color: var(--violet); background: rgba(111,82,200,.12); }
.card p, .info-card p, .solution-card p, .case-card p { color: var(--muted); line-height: 1.72; }
.case-hero-visual {
  min-height: 320px;
}
.case-screen {
  height: 100%;
  padding: 22px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 86% 18%, rgba(255,152,0,.25), transparent 24%),
    linear-gradient(135deg, #0b2437, #7a1420);
  color: #fff;
}
.case-screen-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.case-screen-head strong {
  font-size: 22px;
}
.case-screen-head span {
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px;
  color: #fff0e8;
  font-size: 12px;
  font-weight: 800;
}
.case-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.case-matrix div {
  min-height: 82px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  background: rgba(255,255,255,.1);
}
.case-matrix b {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}
.case-matrix span {
  color: #fff0e8;
  font-size: 13px;
}
.case-screen-foot {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
}
.case-screen-foot i {
  display: block;
  height: 10px;
  margin: 10px 0;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
}
.case-grid {
  display: grid;
  gap: 24px;
}
.case-showcase {
  display: grid;
  grid-template-columns: 300px 1fr;
  overflow: hidden;
}
.case-visual {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 280px;
  padding: 28px;
  color: #fff;
  background-size: cover;
  background-position: center;
}
.case-visual::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,29,45,.12), rgba(8,29,45,.78));
  content: "";
}
.case-visual span {
  position: relative;
  z-index: 1;
  font-size: 38px;
  font-weight: 900;
}
.case-visual.energy { background-image: url("https://images.unsplash.com/photo-1516937941344-00b4e0337589?auto=format&fit=crop&w=900&q=80"); }
.case-visual.enterprise { background-image: url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=900&q=80"); }
.case-visual.education { background-image: url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=900&q=80"); }
.case-visual.campus { background-image: url("https://u-paris.fr/wp-content/uploads/2019/03/resto_u_HAF.jpg"); }
.case-visual.plan { background-image: url("https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=900&q=80"); }
.case-visual.factory { background-image: url("https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=900&q=80"); }
.case-visual.wash { background-image: url("https://sunshinelaundry.com.au/img/sc-laundry_38.jpg"); }
.case-content {
  padding: 34px;
}
.case-content h3 {
  font-size: 30px;
  margin-bottom: 14px;
}
.service-detail {
  margin-top: 0;
  padding: 34px;
  border-left: 4px solid var(--brand);
  background: #fff;
  box-shadow: var(--shadow);
}
.service-detail h3 {
  margin-bottom: 14px;
  font-size: 30px;
}
.service-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff0e8;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}
.service-points {
  margin-top: 24px;
}
.service-points b,
.service-scene b {
  display: block;
  margin-bottom: 10px;
}
.service-points ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.service-points li {
  padding: 12px 14px;
  border: 1px solid #dcebe3;
  border-radius: var(--radius);
  background: #f8fcfa;
  color: #344054;
  font-weight: 800;
}
.service-scene {
  margin: 24px 0;
  padding: 18px;
  border-radius: var(--radius);
  background: #fff8f2;
}
.service-scene span {
  color: var(--muted);
  line-height: 1.7;
}

.proof-section {
  padding-top: 72px;
  padding-bottom: 72px;
}
.proof-panel {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: 34px;
  align-items: stretch;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(244,81,30,.08), rgba(255,255,255,.96) 55%),
    #fff;
  box-shadow: var(--shadow);
}
.proof-intro {
  padding: 8px 16px 8px 0;
}
.proof-intro h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3vw, 38px);
}
.proof-intro p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}
.proof-main {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  align-items: stretch;
}
.proof-number {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 260px;
  padding: 24px;
  border-radius: var(--radius);
  background: #8f2d0f;
  color: #fff;
}
.proof-number strong {
  font-size: 76px;
  line-height: 1;
}
.proof-number span {
  margin-top: 12px;
  color: #fff0e8;
  font-size: 18px;
  font-weight: 800;
}
.proof-list {
  display: grid;
  gap: 12px;
}
.proof-list div {
  padding: 17px 18px;
  border: 1px solid #dcebe3;
  border-radius: var(--radius);
  background: rgba(255,255,255,.92);
}
.proof-list b {
  display: block;
  margin-bottom: 6px;
  color: var(--brand);
  font-size: 18px;
}
.proof-list span {
  color: var(--muted);
  line-height: 1.55;
}
.partners-section .section-head {
  margin-bottom: 18px;
}
.partners-lead {
  max-width: 980px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.8;
}
.partner-wall {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 26px rgba(16,24,40,.04);
}
.partner-logo img {
  display: block;
  max-width: 100%;
  max-height: 70px;
  object-fit: contain;
}

.page-hero {
  padding: 68px 0;
  background: linear-gradient(135deg, #fff8f2, #fff 55%, #fff3e0);
  border-bottom: 1px solid #e7eef4;
}
.page-hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 48px;
  align-items: center;
}
.page-visual {
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.about-visual {
  display: grid;
  align-content: center;
  gap: 18px;
  background:
    linear-gradient(135deg, rgba(244,81,30,.08), transparent 42%),
    #fff;
}
.about-badge {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid #ffe0b2;
  border-radius: 8px;
  background: #fff8f2;
}
.about-badge span {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}
.about-badge span img {
  display: block;
  width: 54px;
  height: 54px;
  object-fit: contain;
}
.about-badge strong {
  display: block;
  color: var(--ink);
  font-size: 22px;
}
.about-badge em {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-style: normal;
  font-weight: 700;
}
.about-proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.about-proof-grid div {
  min-height: 86px;
  padding: 16px;
  border: 1px solid #ffead0;
  border-radius: 8px;
  background: rgba(255,255,255,.86);
}
.about-proof-grid b {
  display: block;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 26px;
  line-height: 1;
}
.about-proof-grid span {
  color: #475467;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
}
.service-visual {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  padding: 24px;
}
.service-visual::before {
  position: absolute;
  top: -80px;
  right: -70px;
  width: 190px;
  height: 190px;
  border: 34px solid rgba(244,81,30,.08);
  border-radius: 50%;
  content: "";
}
.service-visual::after {
  position: absolute;
  bottom: -60px;
  left: -50px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(27,117,187,.08);
  content: "";
}
.service-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.flow-node {
  min-height: 82px;
  padding: 14px;
  border: 1px solid #dbe7ef;
  border-radius: var(--radius);
  background: rgba(255,255,255,.88);
}
.flow-node b {
  display: block;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 20px;
}
.flow-node span {
  color: #435060;
  font-size: 13px;
  font-weight: 700;
}
.service-board {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 14px;
}
.workflow-card,
.deliver-card {
  border: 1px solid #dbe7ef;
  border-radius: var(--radius);
  background: #fbfdfc;
  padding: 16px;
}
.workflow-card h3,
.deliver-card h3 {
  margin-bottom: 14px;
  font-size: 18px;
}
.flow-line {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  align-items: center;
  margin: 11px 0;
}
.flow-line span {
  color: #667085;
  font-size: 13px;
  font-weight: 700;
}
.line-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: #e6eef5;
}
.line-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.deliver-list {
  display: grid;
  gap: 10px;
}
.deliver-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 10px;
  border-radius: var(--radius);
  background: #fff;
  color: #344054;
  font-size: 13px;
  font-weight: 800;
}
.deliver-item::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--brand);
  content: "";
}

.process-head {
  margin-bottom: 30px;
}
.process-map {
  position: relative;
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid #ffe0b2;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(244,81,30,.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(244,81,30,.045) 1px, transparent 1px),
    #fff;
  background-size: 36px 36px;
  box-shadow: 0 18px 45px rgba(16,24,40,.06);
}
.process-map::before {
  position: absolute;
  top: 54px;
  bottom: 54px;
  left: 166px;
  width: 2px;
  background: linear-gradient(180deg, rgba(244,81,30,.12), rgba(244,81,30,.48), rgba(244,81,30,.12));
  content: "";
}
.process-lane {
  position: relative;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 18px;
  align-items: stretch;
}
.lane-label {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  gap: 7px;
  min-height: 82px;
  padding: 14px 16px;
  border: 1px solid rgba(244,81,30,.18);
  border-radius: 8px;
  background: #fff8f2;
}
.lane-label::after {
  position: absolute;
  top: 50%;
  right: -25px;
  width: 24px;
  height: 2px;
  background: rgba(244,81,30,.42);
  content: "";
}
.lane-label span {
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
}
.lane-label strong {
  color: var(--ink);
  font-size: 18px;
}
.lane-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.step {
  position: relative;
  display: grid;
  grid-template-columns: 38px 1fr;
  grid-template-areas:
    "icon num"
    "icon title";
  column-gap: 12px;
  align-items: center;
  min-height: 82px;
  padding: 13px 14px;
  border: 1px solid #ffead0;
  border-radius: 8px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 10px 22px rgba(16,24,40,.045);
}
.step::after {
  position: absolute;
  top: 50%;
  right: -13px;
  z-index: 2;
  width: 13px;
  height: 2px;
  background: rgba(244,81,30,.34);
  transform: translateY(-50%);
  content: "";
}
.step:last-child::after,
.process-lane:last-child .step:last-child::after {
  display: none;
}
.step strong {
  grid-area: num;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 0;
  height: auto;
  margin-bottom: 0;
  border-radius: 0;
  background: transparent;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}
.step-icon {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 0;
  border-radius: 50%;
  background: rgba(244,81,30,.1);
  color: var(--brand);
}
.step-icon svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
}
.step span {
  grid-area: title;
  display: block;
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
}
.tabs, .case-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.tab, .case-tab {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #435060;
  font-weight: 800;
  cursor: pointer;
}
.tab.active, .case-tab.active { border-color: var(--brand); background: var(--brand); color: #fff; }
.panel {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1fr);
  gap: 28px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.visual-dark {
  min-height: 310px;
  padding: 26px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 85% 20%, rgba(255,152,0,.28), transparent 26%),
    linear-gradient(135deg, #0b2437, #0b5b3d);
  color: #fff;
}
.mock-lines { margin-top: 28px; padding: 18px; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); background: rgba(255,255,255,.08); }
.mock-lines i { display: block; height: 12px; margin: 12px 0; border-radius: 999px; background: rgba(255,255,255,.72); }
.mock-lines i:nth-child(2) { width: 75%; }
.mock-lines i:nth-child(3) { width: 56%; }
.solution-architecture {
  min-height: 330px;
  padding: 24px;
}
.arch-wrap {
  height: 100%;
  padding: 22px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 88% 12%, rgba(255,152,0,.34), transparent 24%),
    linear-gradient(135deg, #111827 0%, #5c2413 58%, #8f2d0f 100%);
  color: #fff;
}
.arch-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.arch-title h3 {
  margin: 0;
  font-size: 22px;
}
.arch-tag {
  padding: 6px 10px;
  border: 1px solid rgba(255,224,178,.36);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: #fff7e6;
  font-size: 12px;
  font-weight: 800;
}
.arch-layer {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  align-items: stretch;
  margin-top: 12px;
}
.arch-label {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,224,178,.28);
  border-radius: var(--radius);
  background: rgba(255,152,0,.12);
  color: #fff7e6;
  font-weight: 800;
}
.arch-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.arch-items.four {
  grid-template-columns: repeat(4, 1fr);
}
.arch-item {
  min-height: 42px;
  padding: 10px;
  border: 1px solid rgba(255,224,178,.24);
  border-radius: var(--radius);
  background: rgba(255,255,255,.1);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}
.arch-core {
  margin: 16px 0 4px;
  padding: 14px;
  border: 1px solid rgba(255,224,178,.3);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,152,0,.22), rgba(255,255,255,.1));
  text-align: center;
}
.arch-core strong {
  display: block;
  margin-bottom: 6px;
  font-size: 19px;
}
.arch-core span {
  color: #fff7e6;
  font-size: 13px;
}
.feature-list { display: grid; gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; gap: 12px; color: #475467; line-height: 1.66; }
.feature-list li::before { width: 8px; height: 8px; margin-top: 10px; border-radius: 50%; background: var(--brand); content: ""; flex: 0 0 auto; }

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}
.timeline::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 23px;
  width: 2px;
  background: #ffead0;
  content: "";
}
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: start;
}
.timeline-item b {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: #fff;
  color: var(--brand);
}

.certificate-section {
  background: #fff;
}
.certificate-group {
  margin-top: 28px;
}
.certificate-group h3 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 22px;
}
.certificate-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.certificate-grid.featured {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.certificate-card {
  overflow: hidden;
  border: 1px solid #ead8cf;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(16,24,40,.055);
}
.certificate-card img {
  display: block;
  width: 100%;
  height: 230px;
  padding: 14px;
  background: #fff8f2;
  object-fit: contain;
}
.certificate-grid.featured .certificate-card img {
  height: 250px;
}
.certificate-card span {
  display: block;
  min-height: 54px;
  padding: 14px 16px;
  border-top: 1px solid #f0dfd6;
  color: #344054;
  font-weight: 800;
  line-height: 1.45;
}

.contact-block {
  background:
    radial-gradient(circle at 88% 12%, rgba(255,152,0,.14), transparent 26%),
    linear-gradient(135deg, #fff8f2 0%, #fff 55%, #fff3e0 100%);
  color: var(--ink);
}
.contact-block .lead { color: var(--muted); }
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(330px, .75fr);
  gap: 30px;
  margin-top: 34px;
}
.contact-only {
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  align-items: stretch;
}
.form-card, .contact-card { padding: 32px; border-radius: var(--radius); }
.form-card { background: #fff; color: var(--ink); }
.contact-card {
  border: 1px solid #ead8cf;
  background: rgba(255,255,255,.9);
  box-shadow: 0 18px 42px rgba(16,24,40,.07);
}
.contact-primary {
  display: grid;
  align-content: center;
  min-height: 320px;
  background:
    radial-gradient(circle at 92% 16%, rgba(255,152,0,.18), transparent 24%),
    linear-gradient(135deg, #fff, #fff7ef);
}
.contact-primary span {
  color: var(--brand);
  font-size: 14px;
  font-weight: 900;
}
.contact-primary h3 {
  margin: 14px 0 18px;
  font-size: 30px;
}
.contact-phone {
  margin: 0 0 18px;
  color: var(--ink) !important;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.25;
}
.contact-details,
.contact-scope {
  display: grid;
  gap: 16px;
}
.wechat-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 22px;
  align-items: center;
}
.wechat-card p {
  margin-bottom: 0;
}
.wechat-qr {
  display: grid;
  place-items: center;
  padding: 10px;
  border-radius: 8px;
  background: #fff;
}
.wechat-qr img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 58%;
  border-radius: 4px;
}
.contact-item {
  display: grid;
  gap: 7px;
  padding-bottom: 16px;
  border-bottom: 1px solid #ead8cf;
}
.contact-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.contact-item b {
  color: var(--brand);
  font-size: 14px;
}
.contact-item span {
  color: #344054;
  line-height: 1.75;
}
.contact-scope {
  grid-column: 1 / -1;
}
.contact-scope ul {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.contact-scope li {
  padding: 14px 16px;
  border: 1px solid #ffd8bf;
  border-radius: 8px;
  background: #fff7ef;
  color: #9a3412;
  font-weight: 800;
  text-align: center;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: #344054; font-size: 14px; font-weight: 800; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fafc;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(244,81,30,.1); }
textarea { resize: vertical; }
.form-note { min-height: 24px; color: var(--brand); font-weight: 800; }
.contact-card p { color: #475467; line-height: 1.8; }

.cta {
  padding: 56px 0;
  background: linear-gradient(135deg, #111827, #7c2d12);
  color: #fff;
}
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta p { margin-bottom: 0; color: #fff0e8; }
.footer { padding: 26px 0; background: #111827; color: #fff0e8; font-size: 14px; }
.footer .container { display: flex; justify-content: center; gap: 20px; }

@media (max-width: 1040px) {
  .nav {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px; }
  .nav a.active::after { display: none; }
  .menu { display: inline-grid; place-items: center; }
  .header .btn { display: none; }
  .hero .container, .page-hero .container, .panel, .contact-grid { grid-template-columns: 1fr; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-switcher { grid-template-columns: 1fr; }
  .service-menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .partner-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .case-showcase { grid-template-columns: 1fr; }
  .case-visual { min-height: 180px; }
  .proof-panel, .proof-main { grid-template-columns: 1fr; }
  .proof-number { min-height: 180px; }
  .certificate-grid,
  .certificate-grid.featured { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wechat-card { grid-template-columns: minmax(0, 1fr) 160px; }
  .contact-scope ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-map::before { left: 146px; }
  .process-lane { grid-template-columns: 112px 1fr; }
  .lane-label { padding: 12px; }
  .lane-label strong { font-size: 16px; }
  .lane-steps { gap: 10px; }
  .step { grid-template-columns: 34px 1fr; padding: 12px; }
  .step span { font-size: 15px; }
}

@media (max-width: 680px) {
  .topbar { display: none; }
  .topbar .wrap, .header .wrap, .container { width: min(100% - 28px, 1180px); }
  .brand-text { display: none; }
  .section, .hero, .page-hero { padding: 58px 0; }
  h1 { font-size: 39px; }
  .lead { font-size: 18px; }
  .section-head, .cta .container { display: block; }
  .grid-4, .grid-3, .grid-2, .metric-row, .form-grid { grid-template-columns: 1fr; }
  .service-menu, .service-points ul { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: 1fr; }
  .about-proof-grid { grid-template-columns: 1fr; }
  .certificate-grid,
  .certificate-grid.featured { grid-template-columns: 1fr; }
  .certificate-card img,
  .certificate-grid.featured .certificate-card img { height: 220px; }
  .contact-scope ul { grid-template-columns: 1fr; }
  .wechat-card { grid-template-columns: 1fr; }
  .wechat-qr { width: min(100%, 220px); }
  .contact-primary { min-height: auto; }
  .contact-primary h3 { font-size: 24px; }
  .case-matrix { grid-template-columns: 1fr; }
  .case-content { padding: 24px; }
  .proof-panel { padding: 24px; }
  .proof-main { gap: 14px; }
  .proof-number strong { font-size: 58px; }
  .window-body { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .process-map {
    gap: 14px;
    padding: 14px;
    background-size: 28px 28px;
  }
  .process-map::before { display: none; }
  .process-lane {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .lane-label {
    min-height: auto;
    grid-template-columns: auto 1fr;
    align-items: center;
  }
  .lane-label::after { display: none; }
  .lane-label span { font-size: 11px; }
  .lane-steps { grid-template-columns: 1fr; }
  .step {
    min-height: 64px;
    grid-template-columns: 36px 40px 1fr;
    grid-template-areas: "icon num title";
  }
  .step::after {
    top: auto;
    right: auto;
    bottom: -8px;
    left: 30px;
    width: 2px;
    height: 8px;
    transform: none;
  }
  .step:last-child::after { display: block; }
  .process-lane:last-child .step:last-child::after { display: none; }
  .form-card, .contact-card, .panel { padding: 24px; }
}