:root {
  --ink: #111827;
  --ink-2: #1f2937;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --line: #e2e8f0;
  --line-dark: rgba(148, 163, 184, 0.24);
  --page: #f8fafc;
  --panel: #ffffff;
  --deep: #0f172a;
  --deep-2: #142033;
  --teal: #0b66d8;
  --teal-dark: #073b91;
  --cyan: #2fa7ff;
  --blue: #075bb8;
  --amber: #f59e0b;
  --green: #16a34a;
  --rose: #e11d48;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.09);
  --shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.07);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  letter-spacing: 0;
}

img,
svg {
  max-width: 100%;
}

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

p {
  margin: 0;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.88);
  border-bottom: 1px solid rgba(226, 232, 240, 0.76);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 268px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-cn {
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
}

.brand-en {
  color: var(--teal-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 11px 13px;
  border-radius: 6px;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--teal-dark);
  background: rgba(11, 102, 216, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

.menu-button svg {
  width: 20px;
  height: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: var(--deep);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.16);
}

.btn-primary:hover {
  background: #182235;
}

.btn-teal {
  color: #eff6ff;
  background: #0b66d8;
  box-shadow: 0 14px 26px rgba(11, 102, 216, 0.26);
}

.btn-outline {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.btn-ghost {
  color: #334155;
  border-color: rgba(226, 232, 240, 0.72);
  background: rgba(255, 255, 255, 0.74);
}

.btn svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--deep);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.94) 0%, rgba(15, 23, 42, 0.84) 42%, rgba(15, 23, 42, 0.36) 78%, rgba(15, 23, 42, 0.2) 100%),
    url("assets/hero-ai-operations.png") right center / cover no-repeat;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(94, 234, 212, 0.72), transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 0.7fr);
  gap: 42px;
  align-items: end;
  min-height: calc(100vh - 76px);
  padding: 82px 0 70px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: #bfdbfe;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 2px;
  content: "";
  border-radius: 999px;
  background: var(--amber);
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 950;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 span {
  color: #60a5fa;
}

.hero-lead {
  max-width: 710px;
  margin-top: 24px;
  color: #dbeafe;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 680px;
  margin-top: 44px;
}

.metric {
  min-height: 104px;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(12px);
}

.metric strong {
  display: block;
  color: #fff;
  font-size: 26px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: #b6c7d9;
  font-size: 13px;
  line-height: 1.6;
}

.hero-panel {
  align-self: center;
  border: 1px solid rgba(148, 163, 184, 0.26);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.72);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.panel-kicker {
  color: #bfdbfe;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #d1fae5;
  font-size: 12px;
  font-weight: 800;
}

.status-pill::before {
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.15);
}

.ai-stack {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.ai-stack-grid {
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.ai-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  grid-template-rows: auto auto;
  gap: 4px 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  position: relative;
}

.ai-stack:not(.ai-stack-grid) .ai-step {
  grid-template-columns: 42px 1fr auto;
  grid-template-rows: auto;
  min-height: 74px;
  padding: 14px;
  gap: 14px;
}

.ai-stack-grid .ai-step .step-icon {
  grid-row: span 2;
}

.ai-stack-grid .ai-step .step-copy {
  align-self: end;
}

.ai-stack-grid .ai-step .step-tag {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 9.5px;
  padding: 2px 7px;
}

.ai-stack-grid .step-copy strong {
  font-size: 13px;
  margin-bottom: 2px;
}

.ai-stack-grid .step-copy span {
  font-size: 10.5px;
  line-height: 1.5;
}

.ai-stack-grid .step-icon {
  width: 32px;
  height: 32px;
}

.ai-stack-grid .step-icon svg {
  width: 17px;
  height: 17px;
}

.step-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  color: #eff6ff;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.35), rgba(59, 130, 246, 0.15));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.step-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent);
  pointer-events: none;
}

.step-icon-data { background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(59, 130, 246, 0.1)); }
.step-icon-model { background: linear-gradient(135deg, rgba(139, 92, 246, 0.4), rgba(139, 92, 246, 0.1)); }
.step-icon-rag { background: linear-gradient(135deg, rgba(20, 184, 166, 0.4), rgba(20, 184, 166, 0.1)); }
.step-icon-agent { background: linear-gradient(135deg, rgba(236, 72, 153, 0.4), rgba(236, 72, 153, 0.1)); }
.step-icon-app { background: linear-gradient(135deg, rgba(34, 197, 94, 0.4), rgba(34, 197, 94, 0.1)); }
.step-icon-train { background: linear-gradient(135deg, rgba(245, 158, 11, 0.4), rgba(245, 158, 11, 0.1)); }

.step-icon svg {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 1;
}

.step-icon .icon-emoji {
  font-size: 22px;
  position: relative;
  z-index: 1;
}

.ai-stack-grid .step-icon .icon-emoji {
  font-size: 18px;
}

.step-copy strong {
  display: block;
  color: #fff;
  font-size: 15px;
}

.step-copy span {
  display: block;
  margin-top: 5px;
  color: #b6c7d9;
  font-size: 12px;
}

.step-tag {
  color: #fef3c7;
  font-size: 12px;
  font-weight: 900;
}

.section {
  padding: 86px 0;
}

.section.alt {
  background: #fff;
}

.section.dark {
  color: #fff;
  background: var(--deep);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.section-copy {
  max-width: 720px;
}

.section-label {
  margin-bottom: 10px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section.dark .section-label {
  color: #bfdbfe;
}

.section h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section.dark h2 {
  color: #fff;
}

.section-desc {
  max-width: 650px;
  margin-top: 14px;
  color: #475569;
  font-size: 17px;
  line-height: 1.9;
}

.section.dark .section-desc {
  color: #cbd5e1;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.case-card,
.article-card,
.solution-card,
.contact-card,
.process-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.feature-card {
  min-height: 270px;
  padding: 24px;
}

.feature-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.icon-box {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  box-shadow: 0 6px 18px rgba(11, 102, 216, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  position: relative;
  overflow: hidden;
}

.icon-box::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -30%;
  width: 60%;
  height: 60%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.6), transparent 70%);
  pointer-events: none;
}

.icon-box.icon-violet,
.icon-box {
  background: linear-gradient(135deg, #ede9fe, #c4b5fd);
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.icon-box.icon-blue {
  background: linear-gradient(135deg, #dbeafe, #93c5fd);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.icon-box.icon-amber {
  background: linear-gradient(135deg, #fef3c7, #fcd34d);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.icon-box.icon-green {
  background: linear-gradient(135deg, #dcfce7, #86efac);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.icon-box.icon-rose {
  background: linear-gradient(135deg, #ffe4e6, #fda4af);
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.icon-box.icon-cyan {
  background: linear-gradient(135deg, #cffafe, #67e8f9);
  box-shadow: 0 6px 18px rgba(6, 182, 212, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* Legacy 兼容：保留旧颜色类不破坏 */
.icon-box.blue { background: linear-gradient(135deg, #dbeafe, #93c5fd); }
.icon-box.amber { background: linear-gradient(135deg, #fef3c7, #fcd34d); }
.icon-box.green { background: linear-gradient(135deg, #dcfce7, #86efac); }
.icon-box.rose { background: linear-gradient(135deg, #ffe4e6, #fda4af); }
.icon-box.dark { background: linear-gradient(135deg, #1e293b, #475569); }

.icon-box svg {
  width: 26px;
  height: 26px;
  position: relative;
  z-index: 1;
}

.icon-emoji {
  font-size: 28px;
  line-height: 1;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.feature-card:hover .icon-box,
.audience-card:hover .audience-icon,
.story-col:hover .story-icon {
  transform: scale(1.06) rotate(-3deg);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.card-num {
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 900;
}

.feature-card h3,
.case-card h3,
.article-card h3,
.solution-card h3,
.process-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
}

.feature-card p,
.solution-card p,
.process-card p {
  margin-top: 12px;
  color: #475569;
  font-size: 15px;
  line-height: 1.85;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag-list span,
.meta-tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #475569;
  background: #f8fafc;
  font-size: 12px;
  font-weight: 800;
}

.solutions-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: stretch;
}

.industry-nav {
  display: grid;
  gap: 10px;
}

.industry-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #334155;
  background: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 900;
}

.industry-btn.is-active {
  color: #082f49;
  border-color: rgba(11, 102, 216, 0.42);
  background: #dbeafe;
}

.solution-detail {
  min-height: 340px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.solution-detail h3 {
  margin: 0;
  font-size: 28px;
}

.solution-detail p {
  margin-top: 14px;
  color: #475569;
  font-size: 16px;
  line-height: 1.9;
}

.solution-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.solution-point {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.solution-point strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
}

.solution-point span {
  color: #64748b;
  font-size: 13px;
  line-height: 1.6;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  overflow: hidden;
}

.case-visual {
  min-height: 210px;
  padding: 18px;
  background: #0f172a;
}

/* ========== Case Visual V2 · 案例专属可视化 ========== */
.case-visual-v2 {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  min-height: 168px;
  padding: 22px 24px;
  overflow: hidden;
  background: #0f172a;
}

.case-visual-v2::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 100%, rgba(255, 255, 255, 0.08), transparent 60%),
    radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.06), transparent 50%);
  pointer-events: none;
}

.case-visual-v2::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(255, 255, 255, 0.04) calc(100% - 1px)),
    linear-gradient(0deg, transparent calc(100% - 1px), rgba(255, 255, 255, 0.04) calc(100% - 1px));
  background-size: 24px 24px;
  pointer-events: none;
}

.cv-violet { background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 100%); }
.cv-blue { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%); }
.cv-cyan { background: linear-gradient(135deg, #155e75 0%, #06b6d4 100%); }
.cv-green { background: linear-gradient(135deg, #14532d 0%, #16a34a 100%); }
.cv-amber { background: linear-gradient(135deg, #78350f 0%, #d97706 100%); }
.cv-pink { background: linear-gradient(135deg, #9d174d 0%, #ec4899 100%); }
.cv-rose { background: linear-gradient(135deg, #881337 0%, #f43f5e 100%); }
.cv-deep { background: linear-gradient(135deg, #0c1f3a 0%, #1e3a8a 50%, #1e40af 100%); }
.cv-sunset { background: linear-gradient(135deg, #7c2d12 0%, #ea580c 50%, #f59e0b 100%); }

.cv-emoji {
  position: absolute;
  right: -10px;
  bottom: -16px;
  font-size: 130px;
  line-height: 1;
  opacity: 0.3;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.4));
  pointer-events: none;
  z-index: 1;
}

.cv-metric {
  position: relative;
  z-index: 2;
  color: #fff;
}

.cv-metric strong {
  display: block;
  font-size: 48px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.cv-metric strong sup {
  font-size: 22px;
  font-weight: 700;
  vertical-align: top;
  margin-left: 2px;
}

.cv-metric span {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.04em;
}

.cv-tag {
  position: absolute;
  top: 18px;
  left: 24px;
  z-index: 2;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  backdrop-filter: blur(6px);
}

.case-card:hover .cv-emoji {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform: scale(1.08) rotate(-3deg);
}

@media (max-width: 640px) {
  .case-visual-v2 {
    min-height: 140px;
    padding: 18px 20px;
  }
  .cv-emoji {
    font-size: 100px;
    right: -8px;
    bottom: -12px;
  }
  .cv-metric strong {
    font-size: 38px;
  }
  .cv-metric strong sup {
    font-size: 18px;
  }
}

.mock-window {
  height: 174px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 8px;
  background: #f8fafc;
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-bottom: 1px solid #e2e8f0;
}

.mock-bar span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #cbd5e1;
}

.mock-body {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 10px;
  padding: 12px;
}

.mock-side {
  display: grid;
  gap: 8px;
}

.mock-line {
  height: 10px;
  border-radius: 4px;
  background: #dbeafe;
}

.mock-line.short {
  width: 60%;
}

.mock-chart {
  min-height: 106px;
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(11, 102, 216, 0.1), transparent),
    repeating-linear-gradient(90deg, #e2e8f0 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, #e2e8f0 0 1px, transparent 1px 24px);
  position: relative;
}

.mock-chart::after {
  position: absolute;
  right: 10px;
  bottom: 20px;
  left: 10px;
  height: 58px;
  content: "";
  border-bottom: 4px solid var(--teal);
  border-left: 4px solid var(--cyan);
  transform: skewY(-14deg);
  transform-origin: left bottom;
}

.case-body {
  padding: 22px;
}

.case-meta,
.article-meta,
.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.case-card p,
.article-card p {
  margin-top: 10px;
  color: #475569;
  font-size: 15px;
  line-height: 1.78;
}

.case-link,
.article-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 900;
}

.case-link svg,
.article-link svg {
  width: 16px;
  height: 16px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-card {
  min-height: 220px;
  padding: 24px;
  position: relative;
}

.process-card .card-emoji {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 14px;
  font-size: 26px;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  box-shadow: 0 4px 12px rgba(11, 102, 216, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.06));
}

.process-card:nth-child(1) .card-emoji { background: linear-gradient(135deg, #fef3c7, #fcd34d); }
.process-card:nth-child(2) .card-emoji { background: linear-gradient(135deg, #d1fae5, #6ee7b7); }
.process-card:nth-child(3) .card-emoji { background: linear-gradient(135deg, #dbeafe, #93c5fd); }
.process-card:nth-child(4) .card-emoji { background: linear-gradient(135deg, #ede9fe, #c4b5fd); }

.process-card .card-num {
  display: block;
  margin-bottom: 14px;
  color: var(--teal-dark);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.article-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 18px;
}

.article-feature {
  min-height: 410px;
}

.article-card {
  padding: 24px;
}

.article-feature {
  display: grid;
  align-content: end;
  color: #fff;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0c1f3a 0%, #1e3a8a 40%, #4338ca 100%);
}

.article-feature::before {
  content: '🎯';
  position: absolute;
  top: -20px;
  right: -30px;
  font-size: 280px;
  line-height: 1;
  opacity: 0.12;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.4));
  pointer-events: none;
}

.article-feature::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 0%, rgba(124, 58, 237, 0.4), transparent 60%),
    radial-gradient(circle at 0% 100%, rgba(56, 189, 248, 0.25), transparent 50%),
    repeating-linear-gradient(0deg, transparent 0, transparent 32px, rgba(255, 255, 255, 0.04) 32px, rgba(255, 255, 255, 0.04) 33px);
  background-size: auto, auto, 100% 32px;
  pointer-events: none;
}

.article-feature > * {
  position: relative;
  z-index: 1;
}

.article-feature h3 {
  color: #fff;
  font-size: 30px;
}

.article-feature p {
  color: #dbeafe;
  font-size: 16px;
}

/* 副文章卡左侧小封面色块 */
.article-card:not(.article-feature) {
  position: relative;
  padding-left: 88px;
}

.article-card:not(.article-feature)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 70px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
}

.article-card:not(.article-feature)::after {
  position: absolute;
  top: 50%;
  left: 35px;
  transform: translate(-50%, -50%);
  font-size: 30px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
  z-index: 1;
}

/* 不同分类用不同颜色 + emoji */
.article-card.art-knowledge::before { background: linear-gradient(135deg, #4c1d95, #7c3aed); }
.article-card.art-knowledge::after { content: '📚'; }

.article-card.art-aigc::before { background: linear-gradient(135deg, #9d174d, #ec4899); }
.article-card.art-aigc::after { content: '📹'; }

.article-card.art-data::before { background: linear-gradient(135deg, #14532d, #16a34a); }
.article-card.art-data::after { content: '📈'; }

.article-card.art-method::before { background: linear-gradient(135deg, #78350f, #d97706); }
.article-card.art-method::after { content: '🧭'; }

.article-card.art-trend::before { background: linear-gradient(135deg, #0c4a6e, #0284c7); }
.article-card.art-trend::after { content: '🔮'; }

@media (max-width: 640px) {
  .article-card:not(.article-feature) {
    padding-left: 76px;
  }
  .article-card:not(.article-feature)::before {
    width: 60px;
  }
  .article-card:not(.article-feature)::after {
    font-size: 24px;
    left: 30px;
  }
}

.article-list {
  display: grid;
  gap: 14px;
}

.article-list .article-card {
  min-height: 122px;
  box-shadow: none;
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 42px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(11, 102, 216, 0.12), rgba(245, 158, 11, 0.1)),
    #fff;
  border: 1px solid var(--line);
}

.cta-band h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 4vw, 46px);
}

.cta-band p {
  max-width: 720px;
  margin-top: 12px;
  color: #475569;
  font-size: 16px;
  line-height: 1.8;
}

.site-footer {
  color: #cbd5e1;
  background: #0b1120;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 0.7fr);
  gap: 36px;
  padding: 54px 0;
}

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

.footer-logo img {
  width: 46px;
  height: 46px;
}

.footer-logo strong {
  display: block;
  color: #fff;
  font-size: 18px;
}

.footer-logo span {
  color: #93c5fd;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.footer-desc {
  max-width: 360px;
  margin-top: 16px;
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.8;
}

.footer-col h3 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 15px;
}

.footer-col a,
.footer-col span {
  display: block;
  margin-top: 10px;
  color: #94a3b8;
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.16);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  color: #64748b;
  font-size: 13px;
}

.page-hero {
  color: #fff;
  background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.76)),
    url("assets/hero-ai-operations.png") center / cover;
}

.page-hero-inner {
  min-height: 360px;
  padding: 76px 0 58px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
  color: #cbd5e1;
  font-size: 14px;
}

.breadcrumb a {
  color: #bfdbfe;
}

.page-hero h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
}

.page-hero p {
  max-width: 760px;
  margin-top: 18px;
  color: #dbeafe;
  font-size: 18px;
  line-height: 1.9;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #475569;
  background: #fff;
  font-size: 14px;
  font-weight: 800;
}

.filter-chip.active {
  color: #082f49;
  border-color: rgba(11, 102, 216, 0.42);
  background: #dbeafe;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.solution-card {
  display: grid;
  min-height: 300px;
  padding: 26px;
}

.solution-card .icon-box {
  margin-bottom: 24px;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(300px, 0.28fr);
  gap: 28px;
  align-items: start;
}

.article-body,
.case-detail-body {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 34px;
  box-shadow: var(--shadow-soft);
}

.article-body h2,
.case-detail-body h2 {
  margin: 34px 0 12px;
  color: var(--ink);
  font-size: 26px;
}

.article-body h2:first-child,
.case-detail-body h2:first-child {
  margin-top: 0;
}

.article-body p,
.case-detail-body p {
  margin-top: 12px;
  color: #334155;
  font-size: 16px;
  line-height: 1.95;
}

.article-body ul,
.case-detail-body ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: #334155;
  line-height: 1.9;
}

.side-panel {
  position: sticky;
  top: 96px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.side-panel h3 {
  margin: 0 0 16px;
  font-size: 18px;
}

.side-list {
  display: grid;
  gap: 12px;
}

.side-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.side-item strong {
  display: block;
  font-size: 14px;
}

.side-item span {
  display: block;
  margin-top: 6px;
  color: #64748b;
  font-size: 13px;
  line-height: 1.6;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
}

.contact-card {
  padding: 28px;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.contact-list div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.contact-list strong {
  display: block;
  margin-bottom: 6px;
}

.contact-list span {
  color: #64748b;
  font-size: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

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

.field label {
  color: #334155;
  font-size: 14px;
  font-weight: 800;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

@media (max-width: 980px) {
  .nav-links,
  .nav-actions {
    display: none;
  }

  .menu-button {
    display: grid;
    place-items: center;
  }

  .site-header.is-open .nav {
    flex-wrap: wrap;
  }

  .site-header.is-open .nav-links,
  .site-header.is-open .nav-actions {
    display: grid;
    width: 100%;
  }

  .site-header.is-open .nav-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-header.is-open .nav-actions {
    grid-template-columns: 1fr;
    padding-bottom: 16px;
  }

  .hero-inner,
  .solutions-band,
  .article-grid,
  .detail-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  .hero-panel {
    max-width: 560px;
  }

  .capability-grid,
  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid,
  .footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .side-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .nav {
    min-height: 66px;
  }

  .brand {
    min-width: 0;
  }

  .brand-cn {
    font-size: 14px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.82)),
      url("assets/hero-ai-operations.png") center / cover no-repeat;
  }

  .hero-inner {
    padding: 58px 0 48px;
  }

  .hero-metrics,
  .capability-grid,
  .case-grid,
  .process-grid,
  .solutions-grid,
  .solution-points,
  .footer-main,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .section-head,
  .cta-band,
  .footer-bottom-inner {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cta-band {
    padding: 26px;
  }

  .article-body,
  .case-detail-body {
    padding: 24px;
  }
}

/* ============ 品牌故事区（首页 BRAND STORY） ============ */
.brand-story .section-head {
  margin-bottom: 48px;
}

.story-quote {
  position: relative;
  max-width: 920px;
  margin: 0 auto 60px;
  padding: 36px 28px 28px;
  text-align: center;
  border-top: 1px solid rgba(191, 219, 254, 0.18);
  border-bottom: 1px solid rgba(191, 219, 254, 0.18);
}

.story-quote .quote-mark {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: 50%;
  background: var(--deep);
  color: #fbbf24;
}

.story-quote p {
  margin: 0 0 8px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: #fff;
}

.story-quote-en {
  font-size: 22px;
  font-weight: 600;
  font-style: italic;
  color: #e2e8f0;
  letter-spacing: 0.01em;
  font-family: "Georgia", "Times New Roman", serif;
}

.story-quote-cn {
  margin-bottom: 14px !important;
  font-size: 26px;
  font-weight: 700;
  font-family: "STSong", "Source Han Serif CN", "Noto Serif SC", serif;
}

.story-quote cite {
  font-style: normal;
  font-size: 14px;
  color: #93c5fd;
  letter-spacing: 0.06em;
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.story-col {
  padding: 32px 28px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(191, 219, 254, 0.15);
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.story-col:hover {
  transform: translateY(-4px);
  border-color: rgba(191, 219, 254, 0.35);
}

.story-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.25), rgba(11, 102, 216, 0.15));
  color: #fbbf24;
  box-shadow: 0 6px 18px rgba(251, 191, 36, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.story-icon .icon-emoji {
  font-size: 28px;
  filter: drop-shadow(0 2px 6px rgba(251, 191, 36, 0.4));
}

.story-tag {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: #fbbf24;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.story-col h3 {
  margin: 0 0 14px;
  font-size: 20px;
  line-height: 1.45;
  color: #fff;
  font-weight: 800;
}

.story-col p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #cbd5e1;
}

.story-col p:last-child {
  margin-bottom: 0;
}

.story-col strong {
  color: #fff;
}

.story-credo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 18px;
  padding: 22px 28px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(11, 102, 216, 0.25), rgba(124, 58, 237, 0.18));
  border: 1px solid rgba(191, 219, 254, 0.18);
  font-size: 14px;
  color: #e2e8f0;
}

.story-credo .dot {
  color: #fbbf24;
  font-weight: 900;
}

.story-credo strong {
  color: #fbbf24;
  font-weight: 800;
  margin-right: 4px;
}

@media (max-width: 960px) {
  .story-grid {
    grid-template-columns: 1fr;
  }
  .story-quote-en {
    font-size: 18px;
  }
  .story-quote-cn {
    font-size: 22px;
  }
}

@media (max-width: 640px) {
  .story-quote {
    padding: 30px 18px 22px;
  }
  .story-quote-en {
    font-size: 15px;
  }
  .story-quote-cn {
    font-size: 19px;
  }
  .story-credo {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .story-credo .dot {
    display: none;
  }
}

/* ============ Hero 顶部口号 Banner ============ */
.hero-slogan {
  position: relative;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 18px;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.14), rgba(56, 189, 248, 0.14), rgba(251, 191, 36, 0.14));
  background-size: 200% 100%;
  border: 1px solid rgba(251, 191, 36, 0.45);
  color: #fef3c7;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.04em;
  overflow: hidden;
  animation: slogan-flow 6s ease-in-out infinite;
  box-shadow: 0 0 24px rgba(251, 191, 36, 0.18);
}

.hero-slogan .slogan-flash {
  position: absolute;
  top: 0;
  left: -40%;
  width: 30%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  animation: slogan-flash 3.5s ease-in-out infinite;
  pointer-events: none;
}

.hero-slogan .slogan-cn {
  white-space: nowrap;
}

.hero-slogan .slogan-policy {
  background: linear-gradient(90deg, #fde68a, #fbbf24);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-slogan .slogan-divider {
  color: #fbbf24;
  opacity: 0.55;
}

@keyframes slogan-flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes slogan-flash {
  0% { left: -40%; }
  60%, 100% { left: 110%; }
}

/* ============ 全场景能力图谱 section ============ */
.capability-map {
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  position: relative;
  overflow: hidden;
}

.capability-map::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(11, 102, 216, 0.08), transparent 70%);
  pointer-events: none;
}

.cap-map-block {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 6px 24px rgba(11, 102, 216, 0.06);
  padding: 28px 32px;
  position: relative;
  z-index: 1;
}

.cap-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px dashed #e2e8f0;
}

.cap-row:last-child {
  border-bottom: 0;
}

.cap-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 6px;
}

.cap-label-cn {
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.05em;
}

.cap-label-en {
  font-size: 11px;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cap-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid var(--line);
  color: #334155;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: default;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.cap-tag:hover {
  transform: translateY(-2px);
  border-color: rgba(11, 102, 216, 0.4);
  background: #eff6ff;
}

.cap-tag-active {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  border-color: rgba(11, 102, 216, 0.5);
  color: #1d4ed8;
}

.cap-tag-hot {
  position: relative;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border-color: rgba(245, 158, 11, 0.5);
  color: #92400e;
  font-weight: 700;
}

.cap-tag-hot::after {
  content: 'HOT';
  position: absolute;
  top: -8px;
  right: -10px;
  font-size: 9px;
  font-weight: 900;
  padding: 2px 5px;
  border-radius: 4px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  letter-spacing: 0.06em;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.4);
}

.cap-map-foot {
  margin-top: 22px;
  padding: 20px 28px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(11, 102, 216, 0.06), rgba(56, 189, 248, 0.04));
  border: 1px solid rgba(11, 102, 216, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cap-foot-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cap-foot-text strong {
  font-size: 15px;
  color: var(--ink);
}

.cap-foot-text span {
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
}

.cap-foot-actions {
  display: flex;
  gap: 10px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

@media (max-width: 980px) {
  .cap-map-block {
    padding: 22px;
  }
  .cap-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px 0;
  }
  .cap-label {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    padding-top: 0;
  }
}

@media (max-width: 640px) {
  .cap-map-block {
    padding: 18px 16px;
  }
  .cap-tag {
    font-size: 12px;
    padding: 5px 11px;
  }
  .cap-map-foot {
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
  }
  .cap-foot-actions {
    width: 100%;
  }
  .cap-foot-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

/* ============ 覆盖客户全谱 section ============ */
.audience-coverage {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.audience-card {
  position: relative;
  padding: 28px 24px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.audience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, var(--teal), #38bdf8);
}

.audience-card:nth-child(1)::before { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.audience-card:nth-child(2)::before { background: linear-gradient(90deg, #34d399, #10b981); }
.audience-card:nth-child(3)::before { background: linear-gradient(90deg, #60a5fa, #2563eb); }
.audience-card:nth-child(4)::before { background: linear-gradient(90deg, #f472b6, #be185d); }

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(11, 102, 216, 0.12);
  border-color: rgba(11, 102, 216, 0.2);
}

.audience-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #f1f5f9, #e0f2fe);
  color: var(--deep);
  box-shadow: 0 6px 18px rgba(11, 102, 216, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.audience-icon .icon-emoji {
  font-size: 28px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.08));
}

.audience-card:nth-child(1) .audience-icon { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #b45309; }
.audience-card:nth-child(2) .audience-icon { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #047857; }
.audience-card:nth-child(3) .audience-icon { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: #1d4ed8; }
.audience-card:nth-child(4) .audience-icon { background: linear-gradient(135deg, #fce7f3, #fbcfe8); color: #be185d; }

.audience-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: #64748b;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.audience-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
  font-weight: 800;
}

.audience-pain {
  margin: 0 0 14px;
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
  font-style: italic;
  padding: 8px 12px;
  background: #f8fafc;
  border-left: 3px solid #cbd5e1;
  border-radius: 0 6px 6px 0;
}

.audience-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  flex: 1;
}

.audience-list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 13.5px;
  line-height: 1.55;
  color: #334155;
  border-bottom: 1px dashed #e2e8f0;
}

.audience-list li:last-child {
  border-bottom: 0;
}

.audience-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--teal);
  transform: rotate(45deg);
}

.audience-card:nth-child(1) .audience-list li::before { background: #f59e0b; }
.audience-card:nth-child(2) .audience-list li::before { background: #10b981; }
.audience-card:nth-child(3) .audience-list li::before { background: #2563eb; }
.audience-card:nth-child(4) .audience-list li::before { background: #be185d; }

.audience-result {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(11, 102, 216, 0.08), rgba(56, 189, 248, 0.08));
  color: var(--deep);
}

.audience-card:nth-child(1) .audience-result { background: linear-gradient(90deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.08)); color: #92400e; }
.audience-card:nth-child(2) .audience-result { background: linear-gradient(90deg, rgba(52, 211, 153, 0.15), rgba(16, 185, 129, 0.08)); color: #047857; }
.audience-card:nth-child(3) .audience-result { background: linear-gradient(90deg, rgba(96, 165, 250, 0.15), rgba(37, 99, 235, 0.08)); color: #1d4ed8; }
.audience-card:nth-child(4) .audience-result { background: linear-gradient(90deg, rgba(244, 114, 182, 0.15), rgba(190, 24, 93, 0.08)); color: #9d174d; }

/* ============ 手机端深度优化 ============ */
@media (max-width: 980px) {
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-slogan {
    font-size: 13.5px;
    padding: 8px 16px;
    gap: 6px 10px;
  }
}

@media (max-width: 680px) {
  .hero-slogan {
    font-size: 13px;
    padding: 8px 14px;
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .hero-slogan .slogan-divider {
    display: none;
  }
  .hero-slogan .slogan-cn {
    white-space: normal;
  }
}

@media (max-width: 640px) {
  /* Hero 区压缩 */
  .hero-slogan {
    font-size: 12.5px;
    padding: 7px 12px;
    flex-direction: column;
    gap: 4px;
    border-radius: 14px;
  }
  .hero h1 {
    font-size: 30px;
    line-height: 1.18;
    letter-spacing: -0.5px;
  }
  .hero-lead {
    font-size: 14.5px;
    line-height: 1.7;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .hero-actions .btn {
    justify-content: center;
    width: 100%;
  }
  .hero-panel {
    display: none; /* 手机隐藏右侧面板，避免拥挤 */
  }

  /* 客户全谱 1 列堆叠 */
  .audience-grid {
    grid-template-columns: 1fr;
  }
  .audience-card {
    padding: 22px 18px;
  }

  /* 通用卡片紧凑 */
  .feature-card,
  .case-card,
  .process-card,
  .story-col {
    padding: 22px 18px !important;
  }
  .feature-card h3,
  .case-body h3,
  .process-card h3 {
    font-size: 16px;
  }
  .feature-card p,
  .process-card p,
  .case-body p {
    font-size: 13.5px;
    line-height: 1.7;
  }
  .case-meta .meta-tag {
    font-size: 11px;
  }
  .filter-row {
    gap: 6px;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 6px;
  }
  .filter-chip {
    font-size: 12.5px;
    padding: 6px 12px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* section 标题字号收敛 */
  .section h2 {
    font-size: 24px;
    line-height: 1.3;
  }
  .section-label {
    font-size: 11px;
    margin-bottom: 6px;
  }
  .section-desc {
    font-size: 14px;
    line-height: 1.7;
  }

  /* 导航 */
  .brand-cn {
    font-size: 13px;
  }
  .brand-en {
    font-size: 9.5px;
  }
  .brand-mark {
    width: 28px;
    height: 28px;
  }

  /* solutions-band 切到列 */
  .industry-btn {
    min-height: 50px;
    font-size: 14px;
    padding: 0 14px;
  }
  .solution-detail {
    padding: 22px 18px;
  }
  .solution-points {
    grid-template-columns: 1fr;
  }

  /* 品牌故事区紧凑 */
  .brand-story .section-head {
    margin-bottom: 28px;
  }
  .story-quote {
    margin-bottom: 36px;
  }
  .story-grid {
    margin-bottom: 30px;
  }

  /* footer 紧凑 */
  .footer-main {
    gap: 24px;
  }
  .footer-col h3 {
    font-size: 13px;
  }
  .footer-col a,
  .footer-col span {
    font-size: 12.5px;
  }
}

/* ============ 创始人 & 团队认证 Credentials section ============ */
.credentials {
  background:
    radial-gradient(ellipse at top right, rgba(11, 102, 216, 0.06), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(251, 191, 36, 0.05), transparent 50%),
    #ffffff;
  position: relative;
}

.credentials-band {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  margin-bottom: 36px;
  border-radius: 14px;
  background: linear-gradient(90deg, #fefefe, #f8fafc);
  border: 1px solid var(--line);
  box-shadow: 0 4px 14px rgba(11, 25, 65, 0.05);
}

.cb-pillar {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cb-icon {
  font-size: 28px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.cb-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.cb-text strong {
  font-size: 14px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.cb-text span {
  font-size: 12px;
  color: #64748b;
  letter-spacing: 0.02em;
}

.cb-divider {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, transparent, var(--line), transparent);
}

.cred-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.cred-card {
  position: relative;
  padding: 22px 20px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(11, 25, 65, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.cred-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, #0b66d8, #38bdf8);
}

.cred-card.cred-unesco::before { background: linear-gradient(90deg, #0c4a6e, #0284c7); }
.cred-card.cred-unesco-edu::before { background: linear-gradient(90deg, #14532d, #16a34a); }
.cred-card.cred-mooc::before { background: linear-gradient(90deg, #4c1d95, #7c3aed); }
.cred-card.cred-ibm::before { background: linear-gradient(90deg, #1e293b, #475569); }
.cred-card.cred-ibm-design::before { background: linear-gradient(90deg, #0f172a, #1e3a8a); }
.cred-card.cred-alibaba::before { background: linear-gradient(90deg, #c2410c, #f97316); }
.cred-card.cred-extra::before { background: linear-gradient(90deg, #be185d, #ec4899); }

.cred-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(11, 25, 65, 0.1);
  border-color: rgba(11, 102, 216, 0.25);
}

.cred-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: 64px;
  padding: 8px 14px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f1f5f9, #e0f2fe);
  font-size: 14px;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 12px rgba(11, 102, 216, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  white-space: nowrap;
}

.cred-card.cred-ibm .cred-badge,
.cred-card.cred-alibaba .cred-badge {
  padding: 4px;
  background: #fff;
  min-width: 80px;
  height: 80px;
}

.cred-badge img {
  width: 100%;
  height: 100%;
  max-width: 72px;
  max-height: 72px;
  object-fit: contain;
}

.cred-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 800;
}

.cred-org {
  font-size: 12px;
  color: #64748b;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed #e2e8f0;
}

.cred-card p {
  margin: 0 0 14px;
  flex: 1;
  font-size: 13px;
  line-height: 1.7;
  color: #475569;
}

.cred-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(11, 102, 216, 0.1), rgba(56, 189, 248, 0.1));
  border: 1px solid rgba(11, 102, 216, 0.2);
  color: var(--deep);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.cred-foot {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 22px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.08), rgba(245, 158, 11, 0.04));
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #78350f;
  font-size: 13px;
  line-height: 1.7;
}

.cred-foot svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: #d97706;
}

.cred-foot strong {
  color: #92400e;
  font-weight: 800;
}

@media (max-width: 1100px) {
  .cred-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 980px) {
  .credentials-band {
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
  }
  .cb-divider {
    display: none;
  }
  .cred-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .credentials-band {
    grid-template-columns: 1fr;
    padding: 18px;
    gap: 14px;
  }
  .cred-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .cred-card {
    padding: 18px;
  }
}

/* ============ 公司空间 Workspace section ============ */
.workspace {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 12px;
  height: 420px;
}

.ws-card {
  position: relative;
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(11, 25, 65, 0.12);
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.34, 1.4, 0.64, 1), box-shadow 0.4s ease;
}

.ws-feature {
  grid-column: span 2;
  grid-row: span 2;
}

.ws-card {
  background: linear-gradient(135deg, #0f172a, #1e293b);
}
.ws-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.6s ease;
  background: #0f172a;
}

.ws-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(8, 15, 35, 0.85) 100%);
  pointer-events: none;
  transition: background 0.3s ease;
}

.ws-card figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.ws-card .ws-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 22px;
  border-radius: 4px;
  background: rgba(251, 191, 36, 0.95);
  color: #422006;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.ws-feature .ws-num {
  width: 38px;
  height: 26px;
  font-size: 13px;
}

.ws-card .ws-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.ws-feature .ws-name {
  font-size: 18px;
}

.ws-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(11, 25, 65, 0.22);
}

.ws-card:hover img {
  transform: scale(1.06);
}

.ws-card:hover::after {
  background: linear-gradient(180deg, transparent 30%, rgba(8, 15, 35, 0.92) 100%);
}

@media (max-width: 980px) {
  .workspace-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    height: auto;
    aspect-ratio: auto;
  }
  .ws-card {
    aspect-ratio: 4 / 3;
  }
  .ws-feature {
    grid-column: span 3;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 640px) {
  .workspace-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .ws-feature {
    grid-column: span 2;
  }
  .ws-card .ws-name {
    font-size: 12.5px;
  }
}

/* ============ 合作伙伴 logo 墙 Partners section ============ */
.partners-section .section-head {
  margin-bottom: 36px;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.partner-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 2px 8px rgba(11, 25, 65, 0.04);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.partner-chip:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 102, 216, 0.4);
  box-shadow: 0 8px 18px rgba(11, 102, 216, 0.12);
}

.partner-chip .p-emoji {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
  font-size: 18px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.06));
}

.partner-chip .p-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.partner-chip .p-type {
  font-size: 11px;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 6px;
  background: #f1f5f9;
  white-space: nowrap;
}

.partners-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 18px;
  padding: 18px 24px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(11, 102, 216, 0.06), rgba(56, 189, 248, 0.04));
  border: 1px solid rgba(11, 102, 216, 0.15);
  font-size: 13.5px;
  color: #334155;
}

.partners-foot strong {
  color: var(--deep);
  font-weight: 800;
  margin-right: 4px;
}

.partners-foot .p-dot {
  color: #cbd5e1;
}

.partners-foot .p-cta {
  color: var(--deep);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 0.2s ease, gap 0.2s ease;
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 1px;
}

.partners-foot .p-cta:hover {
  color: var(--teal);
}

@media (max-width: 980px) {
  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .partner-chip {
    padding: 11px 12px;
    gap: 8px;
  }
  .partner-chip .p-emoji {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }
  .partner-chip .p-name {
    font-size: 12.5px;
  }
  .partner-chip .p-type {
    display: none;
  }
  .partners-foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    text-align: left;
  }
  .partners-foot .p-dot {
    display: none;
  }
}


/* ============ About Page · 公司介绍 ============ */
/* Hero */
.about-hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 70px;
  background:
    linear-gradient(135deg, #0c1f3a 0%, #1e3a8a 45%, #4338ca 100%);
  color: #fff;
}
.ah-bg-pattern {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, transparent 32px, rgba(255,255,255,0.04) 32px, rgba(255,255,255,0.04) 33px),
    repeating-linear-gradient(90deg, transparent 0, transparent 32px, rgba(255,255,255,0.04) 32px, rgba(255,255,255,0.04) 33px);
  opacity: 0.5;
}
.ah-glow {
  position: absolute; pointer-events: none;
  top: -80px; right: -100px; width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.35), transparent 65%);
}
.about-hero-inner { position: relative; z-index: 1; }
.about-hero .breadcrumb { color: rgba(255,255,255,0.65); margin-bottom: 18px; }
.about-hero .breadcrumb a { color: rgba(255,255,255,0.85); }
.about-hero .breadcrumb a:hover { color: #fbbf24; }
.ah-eyebrow { font-size: 13px; letter-spacing: 0.18em; color: #fbbf24; font-weight: 700; margin-bottom: 18px; text-transform: uppercase; }
.ah-title {
  margin: 0 0 22px;
  font-size: 56px; line-height: 1.18; font-weight: 900;
  font-family: "STSong", "Source Han Serif CN", "Noto Serif SC", serif;
  letter-spacing: 0.02em;
}
.ah-accent { color: #fbbf24; }
.ah-accent2 {
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.ah-lead { max-width: 760px; font-size: 17px; line-height: 1.85; color: rgba(255,255,255,0.85); margin-bottom: 36px; }
.ah-stats {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 14px;
  align-items: center;
  padding: 22px 28px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
}
.ah-stat { display: flex; flex-direction: column; gap: 4px; }
.ah-stat strong { font-size: 36px; font-weight: 900; color: #fff; line-height: 1; font-family: "Georgia", serif; }
.ah-stat strong sup { font-size: 18px; color: #fbbf24; font-weight: 700; margin-left: 2px; }
.ah-stat span { font-size: 12.5px; color: rgba(255,255,255,0.7); letter-spacing: 0.04em; }
.ah-stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,0.18); }

/* Founder Spotlight */
.founder-section { background: #fff; }
.founder-spotlight {
  display: grid; grid-template-columns: 360px 1fr; gap: 40px;
  margin-bottom: 48px;
  align-items: start;
}
.fs-portrait {
  position: sticky; top: 96px;
  border-radius: 18px; overflow: hidden;
  box-shadow: 0 20px 50px rgba(11, 25, 65, 0.18);
}
.fs-portrait img { width: 100%; height: auto; display: block; }
.fs-portrait-tag {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  color: #422006;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.04em;
}
.fs-info { padding-top: 6px; }
.fs-badge {
  display: inline-block; padding: 6px 14px;
  background: linear-gradient(90deg, #1e3a8a, #4338ca);
  color: #fff; border-radius: 999px; font-size: 12px; font-weight: 800; letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.fs-name {
  margin: 0 0 12px;
  font-size: 36px; font-weight: 900; color: var(--ink);
  font-family: "STSong", "Source Han Serif CN", serif; letter-spacing: 0.02em;
}
.fs-tagline {
  margin: 0 0 28px;
  padding: 14px 18px;
  border-left: 3px solid #fbbf24;
  background: linear-gradient(90deg, #fef3c7, transparent);
  color: #422006; font-size: 15px; font-style: italic; font-weight: 600;
  border-radius: 0 8px 8px 0;
}
.fs-titles, .fs-roles, .fs-orgs { margin-bottom: 28px; }
.fs-titles-label, .fs-roles-label, .fs-orgs-label {
  display: inline-block; padding: 4px 12px; margin-bottom: 14px;
  border-radius: 6px; background: #f1f5f9; color: var(--deep);
  font-size: 12px; font-weight: 800; letter-spacing: 0.06em;
}
.fs-titles-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.fs-titles-list li {
  padding: 10px 14px; border-radius: 8px;
  background: linear-gradient(90deg, #f8fafc, #fff);
  border-left: 3px solid #2563eb;
  font-size: 14px; line-height: 1.6; color: #334155;
}
.fs-titles-list li strong { color: var(--ink); font-weight: 800; }
.fs-roles-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.fs-role {
  padding: 6px 14px; border-radius: 999px;
  background: linear-gradient(90deg, rgba(11,102,216,0.08), rgba(56,189,248,0.05));
  border: 1px solid rgba(11,102,216,0.18);
  color: var(--deep); font-size: 13px; font-weight: 600;
}
.fs-orgs-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.fs-org {
  padding: 12px 10px; text-align: center;
  border-radius: 10px;
  background: #f8fafc; border: 1px solid var(--line);
  font-size: 13px; font-weight: 700; color: var(--ink);
}
.founder-bio {
  margin-top: 20px; padding: 32px 36px;
  border-radius: 16px;
  background: linear-gradient(135deg, #f8fafc, #fff);
  border: 1px solid var(--line); box-shadow: 0 4px 14px rgba(11,25,65,0.04);
}
.founder-bio h3 {
  margin: 0 0 18px; font-size: 22px; font-weight: 800; color: var(--ink);
  font-family: "STSong", serif; letter-spacing: 0.02em;
}
.founder-bio p { margin: 0 0 14px; font-size: 15px; line-height: 1.95; color: #334155; text-align: justify; }
.founder-bio p:last-child { margin: 0; }
.founder-bio strong { color: var(--ink); font-weight: 800; }
.founder-bio em { color: var(--deep); font-style: normal; font-weight: 700; }

/* Certificate Wall */
.cert-wall-section { background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.cert-wall-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-bottom: 28px;
}
.cw-item {
  position: relative; margin: 0; border-radius: 12px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 4px 14px rgba(11,25,65,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.cw-large { grid-column: span 2; grid-row: span 2; }
.cw-item img {
  width: 100%;
  flex: 1;
  min-height: 0;
  object-fit: contain;
  display: block;
  background: linear-gradient(135deg, #f8fafc, #e0f2fe);
  padding: 12px;
  aspect-ratio: 4/3;
}
.cw-sticker { background: #fff; }
.cw-sticker img { object-fit: contain; padding: 24px; aspect-ratio: 1; }
.cw-item figcaption {
  position: static;
  padding: 12px 14px;
  background: #fff;
  border-top: 1px solid var(--line);
  color: var(--ink);
  display: flex; flex-direction: column; gap: 3px;
  flex-shrink: 0;
}
.cw-org { font-size: 11.5px; color: var(--deep); font-weight: 800; letter-spacing: 0.06em; }
.cw-name { font-size: 13px; font-weight: 700; color: var(--ink); }
.cw-large figcaption { padding: 14px 18px; }
.cw-large .cw-org { font-size: 12.5px; }
.cw-large .cw-name { font-size: 16px; }
.cw-item:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(11,25,65,0.16); }
.cert-wall-foot {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 20px 24px; border-radius: 12px;
  background: linear-gradient(90deg, rgba(251,191,36,0.1), rgba(245,158,11,0.05));
  border: 1px solid rgba(245,158,11,0.25);
}
.cert-wall-foot .cw-icon { font-size: 28px; flex-shrink: 0; line-height: 1; }
.cert-wall-foot strong { display: block; margin-bottom: 4px; color: #92400e; font-size: 15px; font-weight: 800; }
.cert-wall-foot p { margin: 0; color: #78350f; font-size: 13.5px; line-height: 1.75; }
.cert-wall-foot p strong { display: inline; }

/* Milestones Timeline */
.milestones-section { background: #fff; }
.ms-timeline { position: relative; padding-left: 80px; }
.ms-timeline::before {
  content: ''; position: absolute;
  left: 30px; top: 14px; bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, #2563eb, #7c3aed, #fbbf24);
}
.ms-item {
  position: relative; padding: 24px 28px; margin-bottom: 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f8fafc, #fff);
  border: 1px solid var(--line);
  box-shadow: 0 4px 12px rgba(11,25,65,0.04);
  transition: transform 0.3s ease;
}
.ms-item:hover { transform: translateX(4px); }
.ms-year {
  position: absolute; left: -80px; top: 24px;
  width: 60px; padding: 6px 0; text-align: center;
  border-radius: 8px;
  background: linear-gradient(135deg, #1e3a8a, #4338ca);
  color: #fff; font-size: 14px; font-weight: 900; letter-spacing: 0.04em;
}
.ms-future .ms-year { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #422006; }
.ms-dot {
  position: absolute; left: -52px; top: 32px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fbbf24; box-shadow: 0 0 0 4px rgba(251,191,36,0.25);
}
.ms-content h3 { margin: 0 0 8px; font-size: 18px; font-weight: 800; color: var(--ink); }
.ms-content p { margin: 0 0 10px; font-size: 14px; line-height: 1.75; color: #475569; }
.ms-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ms-tags span {
  padding: 3px 10px; border-radius: 999px;
  background: rgba(11,102,216,0.08);
  color: var(--deep); font-size: 11.5px; font-weight: 700;
}

/* About Workspace - 紧凑版本沿用 workspace-grid 但稍小 */
.workspace-grid-compact { height: 360px; }

/* Values */
.values-section { background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.value-card {
  padding: 28px 24px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line);
  box-shadow: 0 4px 14px rgba(11,25,65,0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.value-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(11,25,65,0.1); }
.value-emoji {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  font-size: 28px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.06));
}
.value-card:nth-child(2) .value-emoji { background: linear-gradient(135deg, #d1fae5, #6ee7b7); }
.value-card:nth-child(3) .value-emoji { background: linear-gradient(135deg, #ede9fe, #c4b5fd); }
.value-card:nth-child(4) .value-emoji { background: linear-gradient(135deg, #dbeafe, #93c5fd); }
.value-card:nth-child(5) .value-emoji { background: linear-gradient(135deg, #ffe4e6, #fda4af); }
.value-card:nth-child(6) .value-emoji { background: linear-gradient(135deg, #cffafe, #67e8f9); }
.value-card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 800; color: var(--ink); }
.value-card p { margin: 0; font-size: 14px; line-height: 1.7; color: #475569; }

/* About Page Responsive */
@media (max-width: 1100px) {
  .ah-title { font-size: 44px; }
  .founder-spotlight { grid-template-columns: 280px 1fr; gap: 28px; }
  .fs-orgs-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-wall-grid { grid-template-columns: repeat(3, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 880px) {
  .about-hero { padding: 60px 0 50px; }
  .ah-title { font-size: 36px; }
  .ah-stats { grid-template-columns: 1fr 1fr; gap: 14px 8px; padding: 18px; }
  .ah-stat-divider { display: none; }
  .founder-spotlight { grid-template-columns: 1fr; gap: 24px; }
  .fs-portrait { position: static; max-width: 360px; margin: 0 auto; }
  .fs-name { font-size: 28px; }
  .ms-timeline { padding-left: 56px; }
  .ms-timeline::before { left: 18px; }
  .ms-year { left: -56px; width: 44px; font-size: 12px; }
  .ms-dot { left: -38px; }
}
@media (max-width: 640px) {
  .ah-title { font-size: 28px; line-height: 1.25; }
  .ah-lead { font-size: 14.5px; }
  .ah-stats { grid-template-columns: 1fr; padding: 14px; }
  .fs-orgs-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-wall-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .cw-large { grid-column: span 2; grid-row: auto; }
  .cw-large .cw-name { font-size: 14px; }
  .values-grid { grid-template-columns: 1fr; }
  .founder-bio { padding: 22px; }
  .founder-bio p { font-size: 14px; }
  .ms-content h3 { font-size: 15px; }
  .ms-content p { font-size: 13px; }
}