/* V2.1 visual system and GEO content enhancements */

.brand img,
.footer-logo img {
  display: block;
  width: 100%;
  height: auto !important;
  aspect-ratio: 819 / 149;
  object-fit: contain;
  object-position: left center;
  flex: none;
}

.footer-logo {
  display: block;
  width: 190px;
  max-width: 100%;
  line-height: 0;
  overflow: hidden;
  flex: 0 0 auto;
}

.card-icon {
  position: relative;
  overflow: hidden;
}

.card-icon > i {
  position: absolute;
  display: block;
}

.icon-broadcast > i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #69aeff;
  box-shadow: 0 0 10px rgba(105,174,255,.8);
}

.icon-broadcast::before,
.icon-broadcast::after {
  content: "";
  position: absolute;
  border: 1px solid #69aeff;
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
}

.icon-broadcast::before { inset: 8px; }
.icon-broadcast::after { inset: 4px; opacity: .45; }

.icon-content > i {
  width: 13px;
  height: 16px;
  border: 1px solid #68adff;
  transform: translate(-2px,-2px);
}

.icon-content::before {
  content: "";
  position: absolute;
  width: 13px;
  height: 16px;
  border: 1px solid rgba(104,173,255,.45);
  transform: translate(3px,3px);
}

.icon-content::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 1px;
  background: #68adff;
  box-shadow: 0 4px 0 rgba(104,173,255,.7);
}

.icon-pulse > i {
  width: 23px;
  height: 10px;
  clip-path: polygon(0 55%,20% 55%,31% 15%,46% 90%,59% 40%,71% 55%,100% 55%);
  background: #ff997b;
}

.icon-nodes > i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7eb8ff;
  box-shadow: -9px -7px 0 -1px #7eb8ff,9px -7px 0 -1px #7eb8ff,0 10px 0 -1px #7eb8ff;
}

.icon-nodes::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 18px;
  background:
    linear-gradient(32deg,transparent 47%,rgba(126,184,255,.55) 48% 52%,transparent 53%),
    linear-gradient(-32deg,transparent 47%,rgba(126,184,255,.55) 48% 52%,transparent 53%);
}

.why-grid h3 { margin-top: 28px; }

.reason-icon {
  position: relative;
  width: 72px;
  height: 72px;
  margin-top: 38px;
  border: 1px solid #d7e2f2;
  background: linear-gradient(145deg,#f8fbff,#edf4ff);
  overflow: hidden;
}

.reason-icon::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(40,116,246,.1);
}

.reason-network i,
.reason-network i::before,
.reason-network i::after {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2d78f6;
  box-shadow: 0 0 12px rgba(45,120,246,.25);
  content: "";
}

.reason-network i { left: 31px; top: 31px; }
.reason-network i::before { left: -20px; top: -15px; }
.reason-network i::after { left: 20px; top: 15px; }
.reason-network b {
  position: absolute;
  left: 18px;
  top: 24px;
  width: 39px;
  height: 1px;
  background: #72a6fc;
  transform: rotate(36deg);
  box-shadow: 0 9px 0 rgba(114,166,252,.5);
}

.reason-orbit i {
  position: absolute;
  inset: 17px;
  border: 1px solid #337bf5;
  border-radius: 50%;
}

.reason-orbit i::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  right: -4px;
  top: 7px;
  border-radius: 50%;
  background: #2d78f6;
  box-shadow: 0 0 10px rgba(45,120,246,.5);
}

.reason-orbit b {
  position: absolute;
  width: 13px;
  height: 13px;
  left: 29px;
  top: 29px;
  border: 3px solid #8eb8ff;
  transform: rotate(45deg);
}

.reason-system i {
  position: absolute;
  left: 18px;
  top: 18px;
  width: 35px;
  height: 35px;
  border: 1px solid #337bf5;
  background:
    repeating-linear-gradient(90deg,transparent 0 10px,rgba(51,123,245,.14) 10px 11px),
    repeating-linear-gradient(0deg,transparent 0 10px,rgba(51,123,245,.14) 10px 11px);
}

.reason-system b {
  position: absolute;
  left: 27px;
  top: 27px;
  width: 17px;
  height: 17px;
  background: #2c75ef;
  box-shadow: 0 0 12px rgba(44,117,239,.25);
}

.reason-shield i {
  position: absolute;
  left: 21px;
  top: 15px;
  width: 30px;
  height: 39px;
  border: 1px solid #337bf5;
  clip-path: polygon(50% 0,100% 18%,91% 72%,50% 100%,9% 72%,0 18%);
  background: rgba(51,123,245,.08);
}

.reason-shield b {
  position: absolute;
  left: 31px;
  top: 27px;
  width: 12px;
  height: 7px;
  border-left: 2px solid #2d78f6;
  border-bottom: 2px solid #2d78f6;
  transform: rotate(-45deg);
}

.solution-mark {
  position: relative;
  font-size: 0;
}

.solution-mark::before,
.solution-mark::after,
.solution-mark i,
.solution-mark b {
  content: "";
  position: absolute;
  display: block;
}

.solution-mark::after {
  width: 86px;
  height: 86px;
  border: 1px solid color-mix(in srgb,var(--mark) 32%,transparent);
  border-radius: 50%;
  box-shadow: 0 0 35px var(--glow);
}

.consumer i {
  width: 42px;
  height: 42px;
  border: 1px solid var(--mark);
  border-radius: 50%;
}

.consumer i::before,
.consumer i::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: var(--mark);
}

.consumer i::before {
  width: 8px;
  height: 8px;
  left: 17px;
  top: 5px;
  box-shadow: -12px 20px 0 -1px var(--mark),12px 20px 0 -1px var(--mark);
}

.consumer b {
  width: 58px;
  height: 1px;
  background: linear-gradient(90deg,transparent,var(--mark),transparent);
  transform: rotate(-28deg);
}

.tech i {
  width: 50px;
  height: 50px;
  border: 1px solid var(--mark);
  transform: rotate(45deg);
}

.tech i::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid var(--mark);
}

.tech b {
  width: 13px;
  height: 13px;
  background: var(--mark);
  box-shadow: 0 0 18px var(--mark);
}

.local i {
  width: 44px;
  height: 56px;
  border: 1px solid var(--mark);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

.local b {
  width: 13px;
  height: 13px;
  border: 2px solid var(--mark);
  border-radius: 50%;
  z-index: 2;
}

.public i {
  width: 48px;
  height: 58px;
  border: 1px solid var(--mark);
  clip-path: polygon(50% 0,100% 18%,90% 72%,50% 100%,10% 72%,0 18%);
  background: color-mix(in srgb,var(--mark) 6%,transparent);
}

.public b {
  width: 19px;
  height: 10px;
  border-left: 2px solid var(--mark);
  border-bottom: 2px solid var(--mark);
  transform: rotate(-45deg);
}

/* V2.2 bright content system: restrained bento surfaces and CSS micro-interactions */
.services {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 8%,rgba(53,125,255,.09),transparent 28%),
    linear-gradient(180deg,#f7f9fc 0%,#eef3f8 100%);
}

.services::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(36,95,171,.13) .7px,transparent .7px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom,rgba(0,0,0,.55),transparent 48%);
  pointer-events: none;
}

.services > .container { position: relative; }
.services .section-heading h2,
.solutions .section-heading h2 { color: #101a2b; }
.services .section-heading > p,
.solutions .section-heading > p { color: #637186; }

.service-card {
  color: #142033;
  background: rgba(255,255,255,.9);
  border-color: #d9e3ee;
  box-shadow: 0 18px 55px rgba(30,59,98,.08);
  transition: transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb,var(--accent) 38%,#d9e3ee);
  box-shadow: 0 26px 70px rgba(30,74,132,.13);
}

.service-card h3 { color: #111c2d; }
.service-card > p:not(.service-en) { color: #617086; min-height: 116px; line-height: 1.8; }
.service-card ul { border-top-color: #e1e7ee; }
.service-card li { color: #46566d; }
.service-top { color: #8794a6; }
.service-visual {
  border: 1px solid #e4eaf1;
  background-color: #f6f9fd;
}
.geo-search { background: #fff; border-color: rgba(121,108,255,.28); }
.geo-search span { color: #657088; }
.geo-answer { background: #f0efff; }
.geo-answer span { background: #a5add0; }
.risk-chart { border-color: rgba(53,135,167,.25); }

.platform-matrix {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 56px;
  margin-top: 56px;
  padding: 42px;
  border: 1px solid #d7e2ee;
  background: rgba(255,255,255,.76);
  box-shadow: 0 22px 65px rgba(24,59,103,.07);
}

.platform-intro h3 {
  margin: 0 0 18px;
  color: #111d2f;
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: -.025em;
}

.platform-intro > p:last-child { margin: 0; color: #67758a; font-size: 13px; line-height: 1.9; }
.platform-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #dce5ee; border-left: 1px solid #dce5ee; }
.platform-grid article {
  position: relative;
  min-height: 178px;
  padding: 24px;
  border-right: 1px solid #dce5ee;
  border-bottom: 1px solid #dce5ee;
  background: rgba(248,251,255,.72);
  transition: background .22s ease,transform .22s ease;
}
.platform-grid article:hover { z-index: 2; background: #fff; transform: translateY(-3px); box-shadow: 0 14px 30px rgba(32,66,110,.08); }
.platform-grid article::before { content: ""; position: absolute; left: 24px; top: 24px; width: 18px; height: 2px; background: #2c74ee; }
.platform-grid span { display: block; margin: 13px 0 22px; color: #2c70e7; font-size: 10px; letter-spacing: .08em; }
.platform-grid b { display: block; color: #152135; font-size: 16px; }
.platform-grid p { margin: 8px 0 0; color: #708096; font-size: 12px; line-height: 1.75; }

.solutions {
  background:
    linear-gradient(rgba(255,255,255,.42),rgba(255,255,255,.42)),
    #e9eef4;
}
.solution-grid article {
  color: #142033;
  background: rgba(255,255,255,.82);
  border-color: #d5dee8;
  box-shadow: 0 16px 46px rgba(32,56,89,.06);
  transition: transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.solution-grid article:hover { transform: translateY(-5px); border-color: #b9cae0; box-shadow: 0 24px 60px rgba(29,63,109,.11); }
.solution-grid article > span { color: #7a899e; }
.solution-grid h3 { color: #152135; }
.solution-grid p { color: #66758a; }
.solution-grid a { color: #2468dc; }
.solution-mark { background: radial-gradient(circle,var(--glow),transparent 62%); }

@media (prefers-reduced-motion: reduce) {
  .service-card,
  .solution-grid article,
  .platform-grid article { transition: none; }
  .service-card:hover,
  .solution-grid article:hover,
  .platform-grid article:hover { transform: none; }
}

.answers {
  position: relative;
  overflow: hidden;
}

.answers::before {
  content: "";
  position: absolute;
  right: -180px;
  top: -220px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(42,116,244,.1);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(42,116,244,.025),0 0 0 160px rgba(42,116,244,.018);
}

.answer-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 28px;
  align-items: start;
}

.answer-list { border-top: 1px solid #cbd5e1; }
.answer-list details {
  border-bottom: 1px solid #cbd5e1;
  background: rgba(255,255,255,.4);
}

.answer-list summary {
  min-height: 82px;
  padding: 0 22px;
  display: grid;
  grid-template-columns: 42px 1fr 24px;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

.answer-list summary::-webkit-details-marker { display: none; }
.answer-list summary span { color: #2d73ed; font-size: 10px; }
.answer-list summary h3 { margin: 0; font-size: 18px; letter-spacing: -.01em; }
.answer-list summary > i {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid #b9c6d5;
  border-radius: 50%;
}

.answer-list summary > i::before,
.answer-list summary > i::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 10px;
  height: 1px;
  background: #2d73ed;
  transition: .2s;
}

.answer-list summary > i::after { transform: rotate(90deg); }
.answer-list details[open] summary > i::after { transform: rotate(0); }
.answer-list details[open] {
  background: #fff;
  box-shadow: 0 12px 30px rgba(21,42,78,.05);
}

.answer-list details > p {
  max-width: 760px;
  margin: 0;
  padding: 0 46px 28px 76px;
  color: #536174;
  font-size: 14px;
  line-height: 2;
  text-wrap: pretty;
}

.method-card {
  position: sticky;
  top: 96px;
  padding: 32px;
  background: #0a1729;
  color: #fff;
  border: 1px solid #173861;
  box-shadow: 0 28px 70px rgba(10,28,55,.18);
}

.method-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(92,147,221,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(92,147,221,.05) 1px,transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.method-card > * { position: relative; }
.method-symbol { height: 118px; margin: -8px 0 20px; position: relative; }
.method-symbol::before,
.method-symbol::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(85,154,255,.32);
  border-radius: 50%;
  transform: translate(-50%,-50%);
}

.method-symbol::before { width: 104px; height: 104px; }
.method-symbol::after { width: 70px; height: 70px; border-style: dashed; }
.method-symbol i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 20px;
  border: 1px solid #5aa2ff;
  transform: translate(-50%,-50%) rotate(45deg);
  background: #163b73;
  box-shadow: 0 0 25px rgba(67,141,255,.45);
}

.method-symbol b,
.method-symbol em {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4f9dff;
  box-shadow: 0 0 10px #4f9dff;
}

.method-symbol b { left: 22%; top: 34%; }
.method-symbol em { right: 21%; bottom: 25%; }
.method-card h3 { margin: 0 0 12px; font-size: 25px; }
.method-card > p:not(.section-kicker) {
  margin: 0 0 24px;
  color: #8fa0b7;
  font-size: 13px;
  line-height: 1.8;
}

.method-card > a {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,.09);
  color: #cbd8e8;
  font-size: 11px;
}

.method-card > a span { color: #4f8fe9; font-size: 8px; }
.method-card > a b { font-weight: 500; }
.method-card > a i { font-style: normal; color: #6daaff; }
.method-card > small {
  display: block;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.09);
  color: #5f7188;
  font-size: 8px;
  line-height: 1.8;
}

@media (max-width: 900px) {
  .platform-matrix { grid-template-columns: 1fr; gap: 32px; padding: 32px; }
  .answer-layout { grid-template-columns: 1fr; }
  .method-card { position: relative; top: auto; }
}

@media (max-width: 600px) {
  .service-card > p:not(.service-en) { min-height: 0; }
  .platform-matrix { margin-top: 32px; padding: 22px 18px; }
  .platform-intro h3 { font-size: 25px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-grid article { min-height: 150px; }
  .why-grid article { min-height: 260px; }
  .why-grid h3 { margin-top: 22px; }
  .reason-icon { margin-top: 28px; }
  .solution-mark { height: 120px; }
  .answer-list summary {
    min-height: 76px;
    padding: 0 12px;
    grid-template-columns: 28px 1fr 22px;
    gap: 8px;
  }
  .answer-list summary h3 { font-size: 15px; }
  .answer-list details > p { padding: 0 18px 24px 48px; font-size: 13px; line-height: 1.9; }
  .method-card { padding: 26px 22px; }
  .footer-logo { width: 180px; }
}

/* V2.3: clearer hierarchy, article discovery and semantically matched visuals */
.path-ai {
  color: inherit !important;
  background: rgba(255,255,255,.72) !important;
  border: 1px solid #dfe5eb !important;
  box-shadow: none !important;
}

.path-ai > span { color: #aab4c2 !important; }
.path-ai h3 { color: #121b2d !important; }
.path-ai p { color: #7b8798 !important; }
.path-ai .ai-icon {
  color: #296fe8 !important;
  background: #edf4ff !important;
  border-color: #cfe0f8 !important;
  box-shadow: 0 16px 35px rgba(43,111,229,.08);
}

.service-card { scroll-margin-top: 100px; }
.service-card .service-visual { margin-top: 0; }

.platform-matrix { position: relative; }
.platform-grid article::before { display: none; }
.platform-logos {
  min-height: 40px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.platform-logos img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}
.platform-grid .platform-logos span {
  display: inline;
  margin: 0 10px 0 0;
  color: #2c70e7;
  font-size: 11px;
  letter-spacing: .03em;
}
.answer-layout { display: block; }
.answer-list details > p { max-width: 940px; }

.insights-preview {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 6%,rgba(74,130,255,.1),transparent 30%),
    #f5f8fc;
}
.insight-card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.insight-card {
  min-width: 0;
  padding: 18px 18px 24px;
  border: 1px solid #d9e3ee;
  background: rgba(255,255,255,.92);
  box-shadow: 0 18px 46px rgba(30,61,101,.06);
  transition: transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.insight-card:hover { transform: translateY(-5px); border-color: #b9cae2; box-shadow: 0 26px 64px rgba(30,67,118,.11); }
.insight-visual {
  position: relative;
  height: 170px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid #e2e9f2;
  background: linear-gradient(145deg,#f8fbff,#edf4ff);
}
.insight-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(43,112,231,.16) .7px,transparent .7px);
  background-size: 18px 18px;
  mask-image: radial-gradient(circle,#000,transparent 75%);
}
.insight-visual i,.insight-visual b,.insight-visual span { position: absolute; display: block; }
.insight-geo i { width: 86px; height: 86px; border: 1px solid #79a9f7; border-radius: 50%; }
.insight-geo b { width: 132px; height: 132px; border: 1px dashed rgba(61,124,231,.35); border-radius: 50%; }
.insight-geo span { width: 42px; height: 42px; display: grid; place-items: center; background: #246ff0; color: #fff; font-size: 12px; font-weight: 800; box-shadow: 0 0 32px rgba(36,111,240,.25); }
.insight-loop i { width: 96px; height: 96px; border: 1px solid #57b9d7; transform: rotate(45deg); }
.insight-loop b { width: 52px; height: 52px; border: 1px solid #2d77f1; transform: rotate(45deg); background: rgba(45,119,241,.06); }
.insight-loop span { width: 12px; height: 12px; border-radius: 50%; background: #2d77f1; box-shadow: -54px 0 0 #57b9d7,54px 0 0 #806cf6; }
.insight-risk i { width: 150px; height: 58px; border-left: 1px solid #9bb9dd; border-bottom: 1px solid #9bb9dd; }
.insight-risk i::after { content: ""; position: absolute; left: 8px; right: 8px; top: 26px; height: 2px; background: linear-gradient(90deg,#58b9d6,#2e76ee 54%,#ff8d76); transform: skewY(-9deg); }
.insight-risk b { width: 1px; height: 72px; background: #ff8d76; right: calc(50% - 55px); top: 43px; opacity: .65; }
.insight-risk span { width: 8px; height: 8px; border-radius: 50%; background: #ff8d76; right: calc(50% - 59px); top: 72px; box-shadow: 0 0 14px rgba(255,141,118,.55); }
.insight-meta { display: flex; justify-content: space-between; gap: 12px; margin: 0 0 12px; color: #7c899b; font-size: 10px; }
.insight-meta span { color: #266ddd; }
.insight-card h3 { margin: 0; min-height: 62px; color: #121d30; font-size: 20px; line-height: 1.5; letter-spacing: -.02em; }
.insight-card h3 a { color: inherit; }
.insight-card > p:not(.insight-meta) { min-height: 68px; margin: 12px 0 18px; color: #68778b; font-size: 13px; line-height: 1.8; }
.insight-link { color: #256de3; font-size: 12px; font-weight: 700; }
.insight-link span { margin-left: 10px; }
.insights-all { margin-top: 30px; text-align: center; }
.button-outline { color: #155ed6; border: 1px solid #b8cae5; background: rgba(255,255,255,.8); }

/* Why: brand nodes, AI answer, delivery pipeline, compliance shield. */
.reason-orbit i { inset: auto; left: 17px; top: 17px; width: 25px; height: 25px; border: 2px solid #337bf5; border-radius: 50%; }
.reason-orbit i::before { content: ""; position: absolute; width: 15px; height: 2px; right: -11px; bottom: -6px; background: #337bf5; transform: rotate(45deg); }
.reason-orbit i::after { width: 6px; height: 6px; right: -23px; top: -4px; box-shadow: -8px 14px 0 -1px #2d78f6; }
.reason-orbit b { left: 35px; top: 34px; width: 20px; height: 13px; border: 0; border-left: 2px solid #8eb8ff; border-top: 2px solid #8eb8ff; transform: none; box-shadow: inset 0 4px 0 #edf4ff,0 5px 0 -4px #8eb8ff; }
.reason-system i { left: 12px; top: 30px; width: 48px; height: 1px; border: 0; background: #75a8f7; }
.reason-system i::before { content: ""; position: absolute; left: 4px; top: -6px; width: 12px; height: 12px; border: 1px solid #337bf5; background: #f3f7fd; box-shadow: 16px 0 0 -1px #337bf5,32px 0 0 -1px #f3f7fd; }
.reason-system b { left: 18px; top: 47px; width: 35px; height: 2px; background: linear-gradient(90deg,#2c75ef 0 60%,#c8d8ef 60%); box-shadow: none; }

/* Industries: product, architecture, location network and public document. */
.consumer i { width: 48px; height: 54px; border-radius: 3px; clip-path: polygon(50% 0,100% 20%,100% 82%,50% 100%,0 82%,0 20%); background: color-mix(in srgb,var(--mark) 8%,transparent); }
.consumer i::before { left: 23px; top: 0; width: 1px; height: 54px; border-radius: 0; background: var(--mark); box-shadow: none; }
.consumer i::after { left: 5px; top: 17px; width: 37px; height: 1px; border-radius: 0; background: var(--mark); transform: rotate(-21deg); }
.consumer b { width: 6px; height: 6px; right: 34%; top: 30%; border-radius: 50%; background: var(--mark); box-shadow: 10px 14px 0 -1px var(--mark),-5px 23px 0 -1px var(--mark); transform: none; }
.tech i { width: 58px; height: 44px; border: 0; transform: none; background: linear-gradient(#fff,#fff) padding-box; }
.tech i::before,.tech i::after { content: ""; position: absolute; left: 0; width: 56px; height: 15px; border: 1px solid var(--mark); }
.tech i::before { top: 0; box-shadow: 0 27px 0 -1px #fff,0 27px 0 0 var(--mark); }
.tech i::after { top: 14px; width: 1px; height: 14px; left: 28px; background: var(--mark); }
.tech b { width: 9px; height: 9px; border-radius: 50%; box-shadow: -25px 27px 0 -1px var(--mark),25px 27px 0 -1px var(--mark); }
.local::before { width: 58px; height: 32px; border-bottom: 1px solid var(--mark); }
.local i { width: 34px; height: 42px; }
.local b { width: 8px; height: 8px; box-shadow: -36px 30px 0 -1px var(--mark),36px 30px 0 -1px var(--mark); }
.public i { width: 48px; height: 58px; clip-path: none; border-radius: 2px; }
.public i::before { content: ""; position: absolute; left: 10px; right: 10px; top: 15px; height: 1px; background: var(--mark); box-shadow: 0 9px 0 var(--mark),0 18px 0 var(--mark); }
.public b { left: calc(50% + 7px); top: calc(50% + 13px); width: 13px; height: 7px; }

@media (prefers-reduced-motion: reduce) {
  .insight-card { transition: none; }
  .insight-card:hover { transform: none; }
}

@media (max-width: 900px) {
  .insight-card-grid { grid-template-columns: 1fr 1fr; }
  .insight-card:last-child { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .insight-card-grid { grid-template-columns: 1fr; }
  .insight-card:last-child { grid-column: auto; }
  .insight-card h3,.insight-card > p:not(.insight-meta) { min-height: 0; }
  .insight-visual { height: 145px; }
  .diagnosis-copy h2 { font-size: clamp(25px,8.15vw,34px); white-space: nowrap; letter-spacing: -.065em; }
}

/* V2.4: cleaner hierarchy, higher contrast and conversion-ready contact experience */
.mobile-nav-cta { display: none !important; }
.section-kicker,
.article-hero .eyebrow { display: none; }

.section-heading,
.split-heading { align-items: center; }

.section-heading h2,
.split-heading h2 { margin-top: 0; }

.discovery-path article { padding-top: 38px; }
.discovery-path h3 { margin-top: 32px; }

.service-grid { gap: 24px; align-items: stretch; }
.service-card { min-height: 610px; height: 100%; }
.service-card h3 { margin-top: 18px; }

.system-list article { grid-template-columns: 1fr; }

.why-grid,
.solution-grid { grid-template-columns: repeat(2,1fr); gap: 16px; border: 0; }
.why-grid article {
  min-height: 250px;
  display: grid;
  grid-template-columns: 92px 1fr;
  grid-template-rows: auto auto;
  align-content: center;
  column-gap: 24px;
  padding: 34px;
  border: 1px solid #d9e0e7;
}
.why-grid .reason-icon { grid-row: 1 / 3; margin: 0; align-self: center; }
.why-grid h3 { margin: 0 0 10px; align-self: end; }
.why-grid p { align-self: start; }
.solution-grid article { min-height: 330px; display: grid; grid-template-columns: 150px 1fr; grid-template-rows: auto auto auto; column-gap: 28px; align-content: center; }
.solution-grid .solution-mark { grid-row: 1 / 4; width: 140px; height: 150px; margin: 0; }
.solution-grid h3 { align-self: end; }
.solution-grid p { min-height: 0; }

.diagnosis { scroll-margin-top: 68px; }
.diagnosis:focus { outline: none; }
.diagnosis-copy h2 {
  max-width: none;
  font-size: clamp(34px,3.25vw,50px);
  white-space: nowrap;
  letter-spacing: -.065em;
}
.diagnosis.is-targeted .diagnosis-copy h2 { animation: diagnosis-focus 1s ease; }
@keyframes diagnosis-focus {
  0%,100% { text-shadow: none; }
  35% { text-shadow: 0 0 28px rgba(75,145,255,.72); }
}
.direct-contact { margin-top: 48px; gap: 3px; }
.direct-contact .contact-email { margin: 0 0 4px; color: #a9c9ff; font-size: 14px; word-break: break-all; }
.direct-contact span { color: #8d9db1; font-size: 12px; }
.wechat-contact { width: 150px; margin: 18px 0 0; }
.wechat-contact img { width: 100%; height: auto; border-radius: 4px; background: #fff; }
.wechat-contact figcaption { margin-top: 7px; color: #a9b7c8; font-size: 11px; text-align: center; }
.form-trap { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.footer-contact > a { color: #dbe6f4; }
.footer-contact > a[href^="mailto:"] { color: #91baff; font-size: 11px; word-break: break-all; }
.footer-contact p { color: #8190a4; }
.footer-wechat { width: 112px; height: auto; margin-top: 6px; border-radius: 3px; background: #fff; }

/* Contrast corrections for small text across light and dark sections. */
.discovery-path p,
.section-heading > p,
.split-heading > p,
.platform-intro > p:last-child,
.platform-grid p,
.system-list p,
.why-grid p,
.process-grid p,
.solution-grid p,
.insight-card > p:not(.insight-meta),
.answer-list details > p { color: #526176; }
.process-grid span,
.insight-meta,
.service-card > p:not(.service-en) { color: #b7c4d4; }
.service-card li { color: #d3dce8; }
.footer-brand > span,
.footer-links a,
.footer-contact p,
.footer-bottom { color: #8190a4; }
.privacy { color: #596576; }
.path-ai .ai-icon { color: #195bc7 !important; }
.path-ai p { color: #526176 !important; }
.loop-node i { color: #155ecf; }
.loop-node span { color: #526176; }
.systems-copy > p { color: #526176; }
.dash-title small { color: #91a7c3; }
.metric-row small { color: #9aabc0; }
.answer-list summary span { color: #155cc8; }

@media (max-width: 900px) {
  .menu-toggle { width: 48px; height: 48px; padding: 13px; margin-left: auto; flex: 0 0 48px; }
  .nav-cta { margin-left: 0; }
  .site-nav .mobile-nav-cta {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    margin-top: 18px;
    border: 0;
    background: linear-gradient(110deg,#115dff,#287bff);
    color: #fff;
    font-weight: 700;
  }
  .why-grid,
  .solution-grid { grid-template-columns: 1fr 1fr; }
  .solution-grid article { grid-template-columns: 1fr; grid-template-rows: auto; }
  .solution-grid .solution-mark { grid-row: auto; width: auto; height: 120px; margin: 0 0 18px; }
}

@media (max-width: 600px) {
  .nav-shell { gap: 12px; }
  .menu-toggle { order: 3; }
  .diagnosis-copy h2 { font-size: clamp(24px,7.45vw,29px); white-space: nowrap; letter-spacing: -.075em; }
  .why-grid,
  .solution-grid { grid-template-columns: 1fr; }
  .why-grid article { min-height: 220px; grid-template-columns: 78px 1fr; column-gap: 18px; padding: 28px 24px; }
  .why-grid .reason-icon { width: 68px; height: 68px; }
  .wechat-contact { width: 138px; }
  .footer-wechat { width: 128px; }
}

/* V2.5 UI normalization: title safety, accessible contrast, unified outline icons. */
.section-heading,
.split-heading,
.diagnosis-copy {
  position: relative;
  isolation: isolate;
}

.section-heading > div,
.split-heading > div,
.section-heading h2,
.split-heading h2,
.diagnosis-copy h2 {
  position: relative;
  z-index: 2;
}

.section-heading h2,
.split-heading h2,
.diagnosis-copy h2 {
  overflow-wrap: normal;
  text-wrap: balance;
}

/* Auxiliary copy remains readable on all light cards. */
.service-card > p:not(.service-en),
.service-card li,
.solution-grid p,
.why-grid p,
.platform-grid p,
.insight-card > p:not(.insight-meta) {
  color: #64748b;
}

.service-card,
.solution-grid article,
.why-grid article,
.platform-grid article,
.insight-card {
  border-color: rgba(226,232,240,.8);
}

.service-card ul { border-top-color: rgba(226,232,240,.8); }

/* One visual grammar: 32px outline glyph, 2px rounded strokes and one blue glow dot. */
.reason-icon,
.solution-mark {
  --icon-line: #2563eb;
}

.reason-icon {
  display: grid;
  place-items: center;
  overflow: visible;
}

.reason-icon::after {
  inset: 9px;
  border-color: rgba(37,99,235,.1);
  pointer-events: none;
}

.reason-icon::before,
.solution-mark::before {
  content: "";
  position: absolute;
  z-index: 6;
  top: 15px;
  right: 15px;
  width: 2px;
  height: 2px;
  border: 0;
  border-radius: 50%;
  background: #2563eb;
  box-shadow: 0 0 7px 2px rgba(37,99,235,.46);
}

.reason-icon i,
.reason-icon b,
.solution-mark i,
.solution-mark b {
  box-sizing: border-box;
  position: absolute;
  display: block;
  margin: 0;
  background: transparent;
  box-shadow: none;
}

/* Cross-domain collaboration: three sources converge on one center node. */
.reason-network i {
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  border: 2px solid var(--icon-line);
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%,-50%);
}

.reason-network i::before,
.reason-network i::after,
.reason-network b::before {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border: 2px solid var(--icon-line);
  border-radius: 50%;
  background: #fff;
  box-shadow: none;
}

.reason-network i::before { left: -16px; top: -15px; }
.reason-network i::after { left: 14px; top: 12px; }
.reason-network b::before { left: 4px; top: -3px; }
.reason-network b {
  left: 50%;
  top: 50%;
  width: 32px;
  height: 26px;
  transform: translate(-50%,-50%);
  background:
    linear-gradient(42deg,transparent 47%,var(--icon-line) 48% 52%,transparent 53%) 0 0/18px 15px no-repeat,
    linear-gradient(42deg,transparent 47%,var(--icon-line) 48% 52%,transparent 53%) 15px 12px/17px 14px no-repeat,
    linear-gradient(-46deg,transparent 47%,var(--icon-line) 48% 52%,transparent 53%) 15px 0/13px 13px no-repeat;
}

/* AI era: search lens with a four-ray sparkle at its center. */
.reason-orbit i {
  inset: auto;
  left: calc(50% - 4px);
  top: calc(50% - 4px);
  width: 24px;
  height: 24px;
  border: 2px solid var(--icon-line);
  border-radius: 50%;
  transform: translate(-50%,-50%);
}

.reason-orbit i::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -6px;
  width: 11px;
  height: 2px;
  border: 0;
  border-radius: 2px;
  background: var(--icon-line);
  box-shadow: none;
  transform: rotate(45deg);
}

.reason-orbit b {
  left: calc(50% - 4px);
  top: calc(50% - 4px);
  width: 11px;
  height: 11px;
  border: 0;
  transform: translate(-50%,-50%);
}

.reason-orbit b::before,
.reason-orbit b::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  width: 2px;
  height: 11px;
  border-radius: 2px;
  background: var(--icon-line);
}
.reason-orbit b::after { transform: rotate(90deg); }

/* System delivery: modular blocks followed by a clear directional arrow. */
.reason-system i {
  left: calc(50% - 6px);
  top: 50%;
  width: 12px;
  height: 12px;
  border: 2px solid var(--icon-line);
  transform: translate(-50%,-50%);
}

.reason-system i::before,
.reason-system i::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 2px solid var(--icon-line);
  background: #fff;
}
.reason-system i::before { left: 11px; top: -2px; }
.reason-system i::after { left: -2px; top: 11px; }
.reason-system b {
  left: calc(50% + 4px);
  top: calc(50% + 9px);
  width: 15px;
  height: 2px;
  border-radius: 2px;
  background: var(--icon-line);
}
.reason-system b::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--icon-line);
  border-right: 2px solid var(--icon-line);
  transform: rotate(45deg);
}

.reason-shield i {
  left: 50%;
  top: 50%;
  width: 28px;
  height: 32px;
  border: 2px solid var(--icon-line);
  background: transparent;
  transform: translate(-50%,-50%);
}
.reason-shield b {
  left: calc(50% - 6px);
  top: calc(50% - 2px);
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--icon-line);
  border-bottom: 2px solid var(--icon-line);
  transform: rotate(-45deg);
}

/* Industry glyphs use the same outline-only construction. */
.solution-mark::after {
  width: 74px;
  height: 74px;
  border-color: color-mix(in srgb,var(--mark) 34%,transparent);
  box-shadow: 0 0 28px var(--glow);
}
.solution-mark::before { top: calc(50% - 27px); right: calc(50% - 28px); background: #2563eb; }

/* Consumer brand: tag / shopping touchpoint plus a rising wave. */
.consumer i {
  width: 30px;
  height: 22px;
  border: 2px solid var(--mark);
  border-radius: 4px;
  transform: translate(-3px,-5px) rotate(-8deg);
}
.consumer i::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 5px;
  width: 4px;
  height: 4px;
  border: 1.75px solid var(--mark);
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
}
.consumer i::after { display: none; }
.consumer b {
  width: 31px;
  height: 15px;
  border-top: 2px solid var(--mark);
  border-radius: 50%;
  transform: translate(4px,15px) rotate(-14deg);
}
.consumer b::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--mark);
  border-right: 2px solid var(--mark);
  transform: rotate(28deg);
}

.tech i {
  width: 28px;
  height: 28px;
  border: 2px solid var(--mark);
  background: transparent;
  transform: rotate(45deg);
}
.tech i::after { inset: 6px; border: 2px solid var(--mark); }
.tech b { width: 0; height: 0; background: transparent; }

.local i {
  width: 28px;
  height: 34px;
  border: 2px solid var(--mark);
  background: transparent;
}
.local b { width: 8px; height: 8px; border: 2px solid var(--mark); background: transparent; }

.public i {
  width: 29px;
  height: 34px;
  border: 2px solid var(--mark);
  background: transparent;
}
.public b { width: 14px; height: 8px; border-width: 0 0 2px 2px; background: transparent; }

/* Diagnosis option cards communicate that they are interactive. */
.check-grid span {
  position: relative;
  min-height: 48px;
  padding: 0 38px 0 14px;
  border-color: rgba(148,163,184,.56);
  background: #fbfdff;
  transition: border-color .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.check-grid label:hover span {
  border-color: #93b4f7;
  background: #f5f9ff;
  box-shadow: 0 6px 18px rgba(37,99,235,.09);
  transform: translateY(-1px);
}
.check-grid input:focus-visible + span {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}
.check-grid input:checked + span {
  border-color: #2563eb;
  background: linear-gradient(110deg,#eef5ff,#f8fbff);
  color: #155bd6;
  box-shadow: 0 0 0 3px rgba(37,99,235,.11),0 8px 22px rgba(37,99,235,.08);
}
.check-grid input:checked + span::after {
  content: "✓";
  position: absolute;
  right: 13px;
  top: 50%;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  transform: translateY(-50%);
}

@media (max-width: 600px) {
  .section-heading,
  .split-heading { padding-top: 8px; }
  .diagnosis-copy h2 {
    max-width: 100%;
    font-size: clamp(22px,7vw,28px);
    line-height: 1.18;
    letter-spacing: -.065em;
    white-space: nowrap;
  }
}

/* V2.5.1 mobile launch polish. */
@media (max-width: 640px) {
  .hero-layout {
    display: grid;
    grid-template-columns: minmax(0,1fr);
    gap: 28px;
    padding-top: 104px;
    padding-bottom: 68px;
  }

  .hero-copy { min-width: 0; }

  .hero h1 {
    margin-bottom: 12px;
    font-size: clamp(22px,6.7vw,26px);
    line-height: 1.35;
    letter-spacing: -.04em;
  }

  .hero-lead {
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.65;
  }

  .hero-note {
    font-size: 12px;
    line-height: 1.75;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
  }

  .hero-trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 12px;
    margin-top: 28px;
    text-align: center;
  }

  .hero-trust span {
    flex: 0 0 auto;
    font-size: 12px;
    white-space: nowrap;
  }

  .hero-trust i { display: none; }

  .site-nav {
    position: fixed;
    inset: 68px 0 0;
    width: 100vw;
    height: calc(100vh - 68px);
    height: calc(100dvh - 68px);
    max-height: calc(100dvh - 68px);
    padding: 18px 22px calc(40px + env(safe-area-inset-bottom));
    overflow-x: hidden;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .menu-toggle {
    border: 0;
    background: transparent;
    touch-action: manipulation;
  }

  .menu-toggle:hover,
  .menu-toggle:active { color: #fff; }

  .menu-toggle:focus-visible {
    outline: 2px solid rgba(96,165,250,.72);
    outline-offset: -4px;
    border-radius: 4px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-contact { grid-column: auto; }
}

.check-grid span {
  border-color: #e2e8f0;
  background: transparent;
  color: #334155;
}

.check-grid label:hover span {
  border-color: #93c5fd;
  background: #f8fafc;
}

.check-grid input:checked + span {
  border-color: #2563eb;
  background: #eff6ff;
  color: #1e40af;
  font-weight: 600;
}

.footer-cta[data-back-to-top] {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 2px;
}

/* V2.5 inline SVG Sprite rendering. */
.sprite-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.sprite-icon {
  display: block;
  width: 32px;
  height: 32px;
  color: #2563eb;
  overflow: visible;
  flex: 0 0 auto;
}

.sprite-icon .glow-dot {
  fill: #2563eb;
  stroke: none;
  filter: drop-shadow(0 0 2.5px rgba(37,99,235,.9));
}

.path-icon.sprite-host,
.reason-icon.sprite-host,
.solution-mark.sprite-host {
  display: grid;
  place-items: center;
}

.path-icon.sprite-host::before,
.path-icon.sprite-host::after,
.reason-icon.sprite-host::before,
.solution-mark.sprite-host::before {
  display: none;
}

.path-icon.sprite-host {
  color: #2563eb;
  background: linear-gradient(145deg,#fbfdff,#f3f7fd);
}

.path-ai .path-icon.sprite-host {
  color: #2563eb;
  border-color: #dfe5eb;
  background: linear-gradient(145deg,#fbfdff,#f3f7fd);
}

.reason-icon.sprite-host .sprite-icon { color: #2563eb; }
.solution-mark.sprite-host .sprite-icon { color: var(--mark); }

.service-card-icon {
  position: absolute;
  z-index: 4;
  left: 16px;
  top: 16px;
  width: 32px;
  height: 32px;
  padding: 5px;
  border: 1px solid rgba(37,99,235,.18);
  background: rgba(255,255,255,.86);
  box-shadow: 0 6px 18px rgba(37,99,235,.08);
}

.service-cyan .service-card-icon { color: #1596b9; }
.service-violet .service-card-icon { color: #6d5cf6; }

.hub-card .card-icon .sprite-icon {
  width: 22px;
  height: 22px;
  color: currentColor;
}

.submit-icon {
  width: 20px;
  height: 20px;
  color: currentColor;
}

.contact-line {
  display: inline-flex !important;
  align-items: flex-start;
  gap: 8px;
}

.contact-line .sprite-icon {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: #72a7ff;
}

.menu-toggle .sprite-icon {
  width: 24px;
  height: 24px;
  margin: auto;
  color: #fff;
}

.insight-sprite-icon {
  position: relative;
  z-index: 2;
  width: 46px;
  height: 46px;
  color: #2563eb;
  filter: drop-shadow(0 8px 18px rgba(37,99,235,.18));
}

/* V2.5 visual bridge between dark Hero and the light content system. */
.discovery {
  position: relative;
  background:
    radial-gradient(ellipse at 72% 0,rgba(47,112,228,.11),transparent 42%),
    linear-gradient(180deg,#0a1526 0,rgba(20,44,78,.18) 22px,#f4f6f8 76px,#f4f6f8 100%);
}

/* Dashboard comes alive only after entering the viewport. */
.systems .chart-grid i {
  transform: scaleY(0);
  transform-origin: bottom;
}

.systems.in-view .chart-grid i {
  animation: metric-rise .85s cubic-bezier(.2,.75,.25,1) forwards;
}
.systems.in-view .chart-grid i:nth-child(2) { animation-delay: .09s; }
.systems.in-view .chart-grid i:nth-child(3) { animation-delay: .18s; }
.systems.in-view .chart-grid i:nth-child(4) { animation-delay: .27s; }

@property --geo-progress {
  syntax: "<percentage>";
  inherits: false;
  initial-value: 0%;
}

.systems .ring {
  --geo-progress: 0%;
  background:
    radial-gradient(circle,#0e1c2f 58%,transparent 59%),
    conic-gradient(#6e5aff 0 var(--geo-progress),#1f3148 var(--geo-progress));
}

.systems.in-view .ring {
  animation: geo-ring-draw 1.1s .18s ease-out forwards;
}

@keyframes metric-rise { to { transform: scaleY(1); } }
@keyframes geo-ring-draw { to { --geo-progress: 78%; } }

@media (max-width: 767px) {
  .section-heading h2,
  .split-heading h2,
  .systems-copy h2,
  .lab-copy h2 {
    font-size: clamp(22px,6.1vw,24px);
    line-height: 1.2;
    letter-spacing: -.04em;
  }

  .diagnosis-copy h2 {
    font-size: clamp(22px,6.1vw,24px);
  }

  .why-grid,
  .solution-grid,
  .platform-grid,
  .discovery-path {
    grid-template-columns: 1fr;
  }

  .why-grid article,
  .solution-grid article {
    min-width: 0;
  }

  .platform-grid article { min-height: 156px; }
}

@media (prefers-reduced-motion: reduce) {
  .systems .chart-grid i { transform: scaleY(1); }
  .systems.in-view .chart-grid i,
  .systems.in-view .ring { animation: none; }
  .systems .ring {
    --geo-progress: 78%;
  }
}