/* NiceOffer v4 — 蒸汽结构 × 深海蓝 */

:root {
  --no-deep: #0a2540;
  --no-deep-mid: #143552;
  --no-deep-light: #1e4466;
  --no-dark-bg: #071828;
  --no-dark-surface: #0f2236;
  --no-light: #fbfbfd;
  --no-light-alt: #f5f5f7;
  --no-ink: #1d1d1f;
  --no-muted: #86868b;
  --no-accent: #2d6cdf;
  --no-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --no-dur: 550ms;
}

html { scroll-behavior: smooth; }

body.no-v4 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Hero — 蒸汽求职临摹 */
.no-v4-hero-bg {
  background: #050a14;
  position: relative;
  overflow: hidden;
  min-height: min(92vh, 920px);
}

.no-v4-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 70% 30%, rgba(30, 80, 140, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 90%, rgba(10, 37, 64, 0.5) 0%, transparent 50%);
  pointer-events: none;
}

.no-v4-hero-world {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  z-index: 0;
}

.no-v4-hero-orbit {
  position: absolute;
  right: -8%;
  top: 5%;
  width: 72%;
  height: 90%;
  pointer-events: none;
  opacity: 0.3;
  z-index: 1;
}

/* 沪深天际线 — 纯 SVG + CSS，无图片 */
.no-v4-hero-skyline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 46%;
  max-height: 400px;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to top, #000 35%, transparent 92%);
  mask-image: linear-gradient(to top, #000 35%, transparent 92%);
}

.no-v4-hero-skyline-glow {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 120px;
  background: radial-gradient(ellipse at center, rgba(45, 100, 160, 0.12) 0%, transparent 70%);
  animation: skyline-glow 8s ease-in-out infinite alternate;
}

.no-v4-hero-skyline-track {
  position: absolute;
  bottom: 0;
  left: 0;
  display: flex;
  width: max-content;
  will-change: transform;
}

.no-v4-hero-skyline-track svg {
  flex-shrink: 0;
  width: 1200px;
  height: 300px;
}

.no-v4-hero-skyline-track--far {
  opacity: 0.28;
  animation: skyline-drift 100s linear infinite;
  filter: blur(0.5px);
}

.no-v4-hero-skyline-track--near {
  opacity: 0.62;
  animation: skyline-drift 70s linear infinite reverse;
}

.no-v4-hero-skyline-water {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(80, 140, 200, 0.25) 20%,
    rgba(201, 160, 82, 0.15) 50%,
    rgba(80, 140, 200, 0.25) 80%,
    transparent 100%);
  background-size: 200% 100%;
  animation: skyline-shimmer 12s ease-in-out infinite;
}

.no-v4-hero-skyline-label {
  fill: rgba(255, 255, 255, 0.22);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-family: "PingFang SC", sans-serif;
}

.no-v4-hero-landmark-label {
  fill: rgba(201, 160, 82, 0.35);
  font-size: 8px;
  font-family: "PingFang SC", sans-serif;
}

.no-v4-hero-win {
  animation: window-twinkle 5s ease-in-out infinite;
}

.no-v4-hero-win:nth-child(odd) { animation-delay: -2s; }
.no-v4-hero-win:nth-child(3n) { animation-delay: -3.5s; }

@keyframes skyline-drift {
  from { transform: translateX(0); }
  to   { transform: translateX(-1200px); }
}

@keyframes skyline-glow {
  from { opacity: 0.6; }
  to   { opacity: 1; }
}

@keyframes skyline-shimmer {
  0%, 100% { background-position: 0% 50%; opacity: 0.5; }
  50%      { background-position: 100% 50%; opacity: 0.9; }
}

@keyframes window-twinkle {
  0%, 100% { opacity: 0.12; }
  45%, 55%  { opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
  .no-v4-hero-skyline-track--far,
  .no-v4-hero-skyline-track--near,
  .no-v4-hero-skyline-glow,
  .no-v4-hero-skyline-water,
  .no-v4-hero-win,
  .no-v4-hero-role-track,
  .no-v4-hero-scroll-hint-icon,
  .no-v4-hero-scroll-hint {
    animation: none;
  }
}

/* Hero 岗位横向飘过 — 同天际线轨道逻辑 */
.no-v4-hero-role-stream {
  position: absolute;
  left: 0;
  right: 0;
  top: 6%;
  height: 44%;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, #000 10%, #000 90%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 18%, #000 82%, transparent 100%);
  mask-image:
    linear-gradient(to right, transparent 0%, #000 10%, #000 90%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 18%, #000 82%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}

.no-v4-hero-role-track {
  position: absolute;
  left: 0;
  display: flex;
  width: max-content;
  will-change: transform;
  animation: role-drift linear infinite;
}

.no-v4-hero-role-track--far {
  top: 6%;
  opacity: 0.16;
  animation-duration: 110s;
  filter: blur(0.4px);
}

.no-v4-hero-role-track--mid {
  top: 22%;
  opacity: 0.24;
  animation-duration: 85s;
  animation-direction: reverse;
}

.no-v4-hero-role-track--near {
  top: 38%;
  opacity: 0.34;
  animation-duration: 65s;
}

.no-v4-hero-role-strip {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding-right: clamp(2rem, 5vw, 4rem);
  flex-shrink: 0;
}

.no-v4-role-tag {
  display: inline-block;
  padding: clamp(10px, 1.4vw, 16px) clamp(20px, 3vw, 36px);
  border-radius: 999px;
  font-size: clamp(1.125rem, 2.6vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.no-v4-role-tag--accent {
  color: rgba(201, 160, 82, 0.48);
  border-color: rgba(201, 160, 82, 0.14);
  background: rgba(201, 160, 82, 0.05);
}

@keyframes role-drift {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (max-width: 639px) {
  .no-v4-hero-role-stream { top: 4%; height: 36%; }
  .no-v4-hero-role-track--far { display: none; }
  .no-v4-hero-role-track--mid { top: 10%; opacity: 0.2; }
  .no-v4-hero-role-track--near { top: 26%; opacity: 0.28; }
}

.no-v4-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 28px;
}

.no-v4-hero-tag-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e8c872 0%, #c9a052 100%);
  box-shadow: 0 0 10px rgba(201, 160, 82, 0.5);
}

.no-v4-hero-serif {
  font-family: 'Noto Serif SC', 'Songti SC', Georgia, 'Times New Roman', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.no-v4-hero-gold {
  background: linear-gradient(165deg, #f5e6bc 0%, #d4af6a 35%, #b8924a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.no-v4-hero-white {
  color: #f5f5f7;
}

.no-v4-hero-desc {
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
  line-height: 1.85;
  max-width: 520px;
}

.no-v4-hero-desc strong {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}

/* 首页 Hero · 左右分栏 + 右侧冲击数字 */
.no-v4-hero-bg.no-v4-home-hero-impact {
  min-height: 0;
}

.no-v4-home-hero-impact {
  position: relative;
}

.no-v4-home-hero-impact .no-v4-hero-skyline {
  height: 150px;
  max-height: 170px;
  -webkit-mask-image: linear-gradient(to top, #000 30%, transparent 92%);
  mask-image: linear-gradient(to top, #000 30%, transparent 92%);
}

.no-v4-home-hero-impact .no-v4-hero-role-stream {
  top: 0;
  height: 60%;
  opacity: 0.55;
}

.no-v4-home-impact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
  padding: 16px 0 8px;
}

@media (min-width: 1024px) {
  .no-v4-home-impact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 64px);
    align-items: stretch;
    min-height: max(680px, calc(100svh - 128px));
    padding: clamp(24px, 3vh, 40px) 0 clamp(16px, 2vh, 28px);
  }

  .no-v4-home-impact-brand-col,
  .no-v4-home-impact-proof-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

.no-v4-home-hero-impact .no-v4-hero-tag {
  font-size: 13px;
  padding: 7px 16px;
  margin-bottom: 18px;
}

.no-v4-home-impact-brand-col {
  max-width: 600px;
}

@media (min-width: 1024px) {
  .no-v4-home-impact-brand-col {
    max-width: none;
  }
}

.no-v4-home-impact-title {
  font-size: clamp(2.5rem, 5.8vw, 3.75rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.no-v4-home-impact-title .no-v4-hero-gold.block {
  font-size: clamp(2.75rem, 6.5vw, 4rem);
  margin-bottom: 6px;
}

.no-v4-home-impact-lead--brand {
  font-size: clamp(18px, 2.1vw, 20px);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.72);
}

.no-v4-home-impact-proof-col {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.no-v4-home-impact-metrics {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: clamp(16px, 2.5vw, 28px);
  margin-bottom: 0;
  position: relative;
  padding-bottom: 18px;
}

.no-v4-home-impact-metrics::before {
  content: '';
  position: absolute;
  inset: -15% -8% -25%;
  background:
    radial-gradient(ellipse 55% 70% at 18% 50%, rgba(90, 156, 255, 0.14) 0%, transparent 70%),
    radial-gradient(ellipse 45% 65% at 72% 45%, rgba(201, 160, 82, 0.12) 0%, transparent 68%);
  pointer-events: none;
  z-index: -1;
}

.no-v4-home-impact-metrics::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(90, 156, 255, 0.4) 0%, rgba(240, 208, 136, 0.3) 55%, transparent 100%);
  opacity: 0.65;
}

.no-v4-home-impact-metric {
  flex: 1 1 auto;
  min-width: min(100%, 120px);
}

.no-v4-home-impact-metric-num {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(3.5rem, 10.5vw, 6.25rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin: 0;
}

.no-v4-home-impact-metric--time .no-v4-home-impact-metric-num {
  background: linear-gradient(165deg, #eef4ff 0%, #7eb0ff 45%, #4a7fd4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 8px 32px rgba(90, 156, 255, 0.25));
}

.no-v4-home-impact-metric--pay .no-v4-home-impact-metric-num {
  background: linear-gradient(165deg, #fff4dc 0%, #f0d088 40%, #c9a052 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 8px 32px rgba(201, 160, 82, 0.22));
}

.no-v4-home-impact-metric-num span {
  font-size: 1em;
}

.no-v4-home-impact-metric-label {
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin: 6px 0 0;
  line-height: 1.32;
  letter-spacing: 0.01em;
}

.no-v4-home-impact-metric-divider {
  width: 2px;
  align-self: stretch;
  min-height: clamp(52px, 9vw, 80px);
  margin-bottom: 2px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  flex-shrink: 0;
}

.no-v4-home-impact-lead {
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.68);
  margin: 0;
}

.no-v4-home-impact-lead strong {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}

.no-v4-home-impact-strengths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 0;
  padding-top: 0;
  border-top: none;
}

.no-v4-home-impact-strengths--col {
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 1024px) {
  .no-v4-home-impact-strengths--col {
    gap: 18px;
  }
}

.no-v4-home-impact-strength {
  padding: clamp(16px, 2.5vw, 22px) clamp(18px, 2.5vw, 24px);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.no-v4-home-impact-strength-eyebrow {
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 8px;
  line-height: 1.3;
}

.no-v4-home-impact-strength--sde .no-v4-home-impact-strength-eyebrow {
  color: rgba(158, 197, 255, 0.88);
}

.no-v4-home-impact-strength--llm .no-v4-home-impact-strength-eyebrow {
  color: rgba(196, 168, 255, 0.85);
}

.no-v4-home-impact-strength--route .no-v4-home-impact-strength-eyebrow {
  color: rgba(158, 197, 255, 0.85);
}

.no-v4-home-impact-strength-title {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(1.5rem, 2.8vw, 1.875rem);
  font-weight: 700;
  color: #f5f5f7;
  margin: 0 0 10px;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

.no-v4-home-impact-strength-desc {
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.62;
  color: rgba(255, 255, 255, 0.68);
  margin: 0;
  max-width: none;
}

.no-v4-home-impact-personas {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding-top: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 640px) {
  .no-v4-home-impact-personas {
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
  }
}

.no-v4-home-impact-persona {
  display: block;
  padding: clamp(16px, 2.5vw, 20px) clamp(16px, 2.5vw, 22px);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.09);
  text-decoration: none;
  transition: border-color 200ms ease, background 200ms ease;
}

.no-v4-home-impact-persona:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(240, 208, 136, 0.22);
  text-decoration: none;
}

.no-v4-home-impact-persona-label {
  font-size: clamp(12px, 1.4vw, 13px);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240, 208, 136, 0.78);
  margin: 0 0 8px;
}

.no-v4-home-impact-persona-title {
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 8px;
  line-height: 1.32;
}

.no-v4-home-impact-persona-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.58;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.no-v4-home-impact-persona-more {
  grid-column: 1 / -1;
  font-size: 15px;
  font-weight: 700;
  color: rgba(240, 208, 136, 0.88);
  text-decoration: none;
  padding: 6px 4px 0;
}

.no-v4-home-impact-persona-more:hover {
  color: #f0d088;
  text-decoration: underline;
}

.no-v4-home-impact-profiles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px clamp(10px, 1.5vw, 14px);
  margin-bottom: 0;
  padding-top: 2px;
}

.no-v4-home-impact-profile {
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color 200ms ease;
}

.no-v4-home-impact-profile:not(.no-v4-home-impact-profile--more)::after {
  content: '·';
  margin-left: clamp(12px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.18);
  font-weight: 400;
  pointer-events: none;
}

.no-v4-home-impact-profile:last-child::after {
  content: none;
}

.no-v4-home-impact-profile:hover {
  color: #f0d088;
  text-decoration: none;
}

.no-v4-home-impact-profile--more {
  color: rgba(240, 208, 136, 0.88);
  margin-left: 4px;
}

.no-v4-home-impact-profile--more:hover {
  color: #f0d088;
  text-decoration: underline;
}

.no-v4-home-impact-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.no-v4-btn-hero {
  padding: 13px 26px;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  min-height: 46px;
}

.no-v4-hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: clamp(18px, 3.5vh, 32px);
  transform: translateX(-50%);
  z-index: 20;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 12px 28px 10px;
  border-radius: 999px;
  background: rgba(6, 14, 26, 0.88);
  border: 1px solid rgba(240, 208, 136, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #f5f5f7;
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow:
    0 10px 36px rgba(0, 0, 0, 0.45),
    0 0 24px rgba(240, 208, 136, 0.12);
  transition: border-color 250ms ease, box-shadow 250ms ease, transform 250ms ease;
  animation: no-v4-scroll-hint-glow 2.8s ease-in-out infinite;
}

.no-v4-hero-scroll-hint:hover {
  color: #fff;
  text-decoration: none;
  border-color: rgba(240, 208, 136, 0.75);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.5),
    0 0 32px rgba(240, 208, 136, 0.22);
  transform: translateX(-50%) translateY(-2px);
}

.no-v4-hero-scroll-hint-icon {
  display: flex;
  color: #f0d088;
  animation: no-v4-scroll-bounce 1.6s ease-in-out infinite;
}

@keyframes no-v4-scroll-hint-glow {
  0%, 100% {
    border-color: rgba(240, 208, 136, 0.38);
    box-shadow:
      0 10px 36px rgba(0, 0, 0, 0.45),
      0 0 18px rgba(240, 208, 136, 0.08);
  }
  50% {
    border-color: rgba(240, 208, 136, 0.62);
    box-shadow:
      0 10px 36px rgba(0, 0, 0, 0.45),
      0 0 28px rgba(240, 208, 136, 0.2);
  }
}

@keyframes no-v4-scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.85; }
  50% { transform: translateY(6px); opacity: 1; }
}

@media (max-width: 639px) {
  .no-v4-home-impact-grid {
    gap: 28px;
    padding: 12px 0 8px;
  }

  .no-v4-home-impact-proof-col {
    gap: 20px;
  }

  .no-v4-home-impact-metric-divider {
    display: none;
  }

  .no-v4-home-impact-metrics {
    flex-direction: row;
    align-items: flex-end;
    gap: 16px;
  }

  .no-v4-home-impact-metric {
    flex: 1;
    min-width: 0;
  }

  .no-v4-home-impact-metric-num {
    font-size: clamp(3rem, 17vw, 4.25rem);
  }

  .no-v4-home-impact-profile:not(.no-v4-home-impact-profile--more)::after {
    content: none;
  }

  .no-v4-home-impact-profiles {
    gap: 6px 12px;
  }

  .no-v4-home-impact-brand-col {
    max-width: none;
  }
}

/* legacy hero proof cards — unused */
.no-v4-hero-proofs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.no-v4-hero-proof {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.no-v4-hero-proof-num {
  flex-shrink: 0;
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(1.625rem, 4.5vw, 2rem);
  font-weight: 700;
  color: #f0d088;
  line-height: 1;
  min-width: 56px;
  text-align: center;
  padding-top: 2px;
}

.no-v4-hero-proof-unit {
  font-size: 0.45em;
  font-weight: 700;
  display: block;
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.no-v4-hero-proof-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 900;
  color: #d4b8ff;
  background: rgba(120, 80, 200, 0.14);
  border: 1px solid rgba(120, 80, 200, 0.28);
}

.no-v4-hero-proof--route .no-v4-hero-proof-icon {
  color: #9ec5ff;
  background: rgba(45, 108, 223, 0.14);
  border-color: rgba(45, 108, 223, 0.28);
}

.no-v4-hero-proof-title {
  font-size: clamp(14px, 3.2vw, 15px);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 4px;
  line-height: 1.35;
}

.no-v4-hero-proof-desc {
  font-size: 12px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.45);
  margin: 0;
}

/* 首页 Hero · 右侧大数字 + 画像 */
.no-v4-home-hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.no-v4-home-hero-stat {
  padding: 20px 16px 18px;
  border-radius: 16px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(12, 24, 40, 0.85);
}

.no-v4-home-hero-stat--time {
  border-color: rgba(90, 156, 255, 0.25);
  background: linear-gradient(165deg, rgba(45, 108, 223, 0.12) 0%, rgba(12, 24, 40, 0.9) 100%);
}

.no-v4-home-hero-stat--pay {
  border-color: rgba(201, 160, 82, 0.3);
  background: linear-gradient(165deg, rgba(201, 160, 82, 0.12) 0%, rgba(12, 24, 40, 0.9) 100%);
}

.no-v4-home-hero-stat-num {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(2.25rem, 6vw, 2.75rem);
  font-weight: 700;
  color: #f0d088;
  line-height: 1;
  margin-bottom: 8px;
}

.no-v4-home-hero-stat--time .no-v4-home-hero-stat-num { color: #9ec5ff; }

.no-v4-home-hero-stat-num span {
  font-size: 0.42em;
  font-weight: 700;
}

.no-v4-home-hero-stat-label {
  font-size: 13px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 4px;
  line-height: 1.35;
}

.no-v4-home-hero-stat-hint {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
  line-height: 1.4;
}

.no-v4-home-results-card {
  padding: 18px 16px 16px;
  border-radius: 16px;
  background: linear-gradient(165deg, rgba(18, 35, 58, 0.92) 0%, rgba(8, 18, 32, 0.96) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
  margin-bottom: 12px;
}

.no-v4-home-results-card--llm {
  border-left: 3px solid rgba(180, 130, 255, 0.55);
}

.no-v4-home-results-card--profiles {
  border-left: 3px solid rgba(90, 156, 255, 0.55);
  margin-bottom: 0;
}

.no-v4-home-results-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(240, 208, 136, 0.8);
  margin-bottom: 6px;
}

.no-v4-home-results-lead {
  font-size: 14px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 10px;
  line-height: 1.45;
}

.no-v4-home-results-detail {
  font-size: 12px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.42);
  margin: 0;
}

.no-v4-home-profile-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.no-v4-home-profile-chip {
  font-size: 11px;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
  color: rgba(158, 197, 255, 0.95);
  background: rgba(45, 108, 223, 0.12);
  border: 1px solid rgba(45, 108, 223, 0.22);
}

.no-v4-home-results-link {
  font-size: 12px;
  font-weight: 700;
  color: rgba(240, 208, 136, 0.88);
  text-decoration: none;
}

.no-v4-home-results-link:hover {
  color: #f0d088;
  text-decoration: underline;
}

.no-v4-btn-gold {
  background: linear-gradient(135deg, #f0d088 0%, #d4af6a 100%);
  color: #1a1208;
  font-weight: 600;
  box-shadow: 0 8px 28px rgba(212, 175, 106, 0.28);
}

.no-v4-btn-gold:hover {
  color: #1a1208;
  box-shadow: 0 12px 36px rgba(212, 175, 106, 0.38);
}

.no-v4-btn-outline-light {
  background: transparent;
  color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.no-v4-btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

/* 右侧纪念卡 */
.no-v4-hero-badge-card {
  background: linear-gradient(160deg, rgba(18, 35, 58, 0.95) 0%, rgba(8, 18, 32, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 28px 32px 24px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.no-v4-hero-badge-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(212, 175, 106, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.no-v4-hero-badge-year {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f0d088 0%, #c9a052 100%);
  color: #1a1208;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.no-v4-hero-badge-emblem {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  margin: 12px 0 8px;
}

.no-v4-hero-badge-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.no-v4-snapshot-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
  margin-bottom: 12px;
}

.no-v4-stat-steam {
  background: rgba(12, 24, 40, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  padding: 18px 20px;
  transition: transform 500ms var(--no-ease), border-color 500ms var(--no-ease);
}

.no-v4-stat-steam:hover {
  transform: scale(1.02);
  border-color: rgba(212, 175, 106, 0.2);
}

.no-v4-stat-steam-num {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(165deg, #f5e6bc 0%, #c9a052 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.no-v4-stat-steam-title {
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.no-v4-stat-steam-desc {
  color: rgba(255, 255, 255, 0.38);
  font-size: 11px;
  line-height: 1.5;
}

.no-v4-hero-float-consult {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  background: rgba(8, 18, 32, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  transition: transform 500ms var(--no-ease), box-shadow 500ms var(--no-ease);
}

.no-v4-hero-float-consult:hover {
  transform: scale(1.03);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.no-v4-hero-float-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f0d088 0%, #c9a052 100%);
}

/* Legacy mesh — kept for other sections if needed */
.no-v4-mesh {
  display: none;
}

.no-v4-hero-title-accent {
  background: linear-gradient(180deg, #ffffff 0%, #b8c9db 55%, #6b849c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Nav */
.no-v4-nav {
  background: rgba(7, 24, 40, 0.65);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  transition: background var(--no-dur) var(--no-ease);
}

.no-v4-nav.on-light {
  background: rgba(251, 251, 253, 0.82);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.no-v4-nav.on-light .no-v4-nav-brand,
.no-v4-nav.on-light .no-v4-nav-link { color: var(--no-ink); }
.no-v4-nav.on-light .no-v4-nav-link { color: var(--no-muted); }
.no-v4-nav.on-light .no-v4-nav-link:hover { color: var(--no-deep); }

/* Gradient headline on dark — legacy */

/* Buttons */
.no-v4-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: transform 500ms var(--no-ease), box-shadow 500ms var(--no-ease), background 500ms var(--no-ease);
}

.no-v4-btn:hover {
  transform: scale(1.02);
  text-decoration: none;
}

.no-v4-btn-primary {
  background: linear-gradient(135deg, #1a4a7a 0%, var(--no-deep) 100%);
  color: #fff;
  box-shadow: 0 8px 28px rgba(10, 37, 64, 0.45);
}

.no-v4-btn-primary:hover {
  color: #fff;
  box-shadow: 0 12px 36px rgba(10, 37, 64, 0.55);
}

.no-v4-btn-light {
  background: #fff;
  color: var(--no-deep);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.no-v4-btn-light:hover { color: var(--no-deep); }

.no-v4-btn-ghost-dark {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.no-v4-btn-ghost-dark:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.no-v4-btn-sm {
  padding: 10px 20px;
  font-size: 13px;
}

.no-v4-btn-ink {
  background: var(--no-ink);
  color: #fff;
}

.no-v4-btn-ink:hover { color: #fff; background: #2d2d2f; }

/* Stat cards (hero) */
.no-v4-stat {
  background: rgba(15, 34, 54, 0.85);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 500ms var(--no-ease), border-color 500ms var(--no-ease);
}

.no-v4-stat:hover {
  transform: scale(1.02);
  border-color: rgba(45, 108, 223, 0.25);
}

/* Light section cards */
.no-v4-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.06);
  transition: transform var(--no-dur) var(--no-ease), box-shadow var(--no-dur) var(--no-ease);
}

.no-v4-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 56px rgba(15, 23, 42, 0.09);
}

.no-v4-icon {
  width: 32px;
  height: 32px;
  stroke: var(--no-deep);
  stroke-width: 1.25;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Delivery large cards */
.no-v4-delivery-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 32px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.07);
  transition: transform var(--no-dur) var(--no-ease);
}

.no-v4-delivery-card:hover { transform: scale(1.01); }

.no-v4-step-num {
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(10, 37, 64, 0.08);
  line-height: 1;
  letter-spacing: -0.04em;
}

/* Resource Proof — 蒸汽临摹 */
.no-v4-proof {
  background: #050a14;
  position: relative;
  overflow: hidden;
}

.no-v4-proof::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 20% 30%, rgba(30, 80, 140, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(201, 160, 82, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.no-v4-proof > div {
  position: relative;
  z-index: 1;
}

.no-v4-section-label--light {
  color: rgba(255, 255, 255, 0.45);
}

.no-v4-section-label--light::before {
  background: rgba(255, 255, 255, 0.25);
}

.no-v4-proof-title {
  font-family: 'Noto Serif SC', 'Songti SC', Georgia, serif;
  font-size: clamp(2rem, 4.5vw, 2.875rem);
  font-weight: 700;
  color: #f5f5f7;
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.no-v4-proof-title-accent {
  color: #f0d088;
}

.no-v4-proof-desc {
  color: rgba(255, 255, 255, 0.58);
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  max-width: 480px;
  margin-bottom: 32px;
}

.no-v4-proof-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.no-v4-proof-stat {
  padding: 20px 18px 22px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--no-dur) var(--no-ease), border-color var(--no-dur) var(--no-ease);
}

.no-v4-proof-stat:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(201, 160, 82, 0.2);
}

.no-v4-proof-stat-num {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #f0d088;
  margin-bottom: 10px;
}

.no-v4-proof-stat-title {
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.no-v4-proof-stat-desc {
  font-size: 12px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.42);
  margin: 0;
}

/* 内推 Logo 墙 — 白卡 */
.no-v4-proof-wall {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.45);
}

.no-v4-proof-wall-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: linear-gradient(90deg, #e8f2fc 0%, #f0f6fd 100%);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #5a7a9a;
  text-transform: uppercase;
}

.no-v4-proof-wall-top-cn {
  font-size: 12px;
  font-weight: 700;
  color: #3d5a78;
  letter-spacing: 0.02em;
  text-transform: none;
}

.no-v4-proof-wall-inner {
  padding: 22px 20px 24px;
}

.no-v4-proof-wall-heading {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  font-weight: 800;
  color: #1d1d1f;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.no-v4-proof-wall-heading span {
  font-size: 0.75em;
  font-weight: 600;
  color: #86868b;
  margin-left: 6px;
}

.no-v4-company-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 320px;
  overflow: hidden;
  position: relative;
}

.no-v4-company-grid::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 48px;
  background: linear-gradient(to top, #fff 0%, transparent 100%);
  pointer-events: none;
}

.no-v4-company-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: clamp(0.75rem, 1.2vw, 0.8125rem);
  font-weight: 700;
  color: #1d1d1f;
  background: #f5f5f7;
  border: 1px solid rgba(0, 0, 0, 0.06);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.no-v4-company-chip--tencent {
  color: #fff;
  background: #12b7f5;
  border-color: transparent;
}

.no-v4-company-chip--byte {
  color: #fff;
  background: #1a1a1a;
  border-color: transparent;
}

.no-v4-company-chip--ali {
  color: #fff;
  background: #ff6a00;
  border-color: transparent;
}

.no-v4-proof-wall-foot {
  margin-top: 14px;
  font-size: 11px;
  line-height: 1.6;
  color: #86868b;
}

@media (max-width: 639px) {
  .no-v4-proof-stats {
    gap: 10px;
  }

  .no-v4-proof-stat {
    padding: 16px 14px 18px;
  }

  .no-v4-company-grid {
    max-height: 260px;
  }
}

/* Dark resource section — legacy */
.no-v4-dark-section {
  background: var(--no-dark-bg);
  position: relative;
}

.no-v4-metric {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.no-v4-metric:last-child { border-bottom: none; }

.no-v4-logo-wall {
  background: rgba(15, 34, 54, 0.6);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.no-v4-logo-wall-bar {
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 16px;
  display: flex;
  gap: 8px;
}

.no-v4-logo-wall-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.no-v4-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px 16px;
  text-align: center;
  transition: background 500ms var(--no-ease), transform 500ms var(--no-ease);
}

.no-v4-tag:hover {
  background: rgba(45, 108, 223, 0.12);
  transform: scale(1.02);
}

/* Case Showcase — 蒸汽临摹 */
.no-v4-cases {
  background: #f9f7f2;
}

.no-v4-cases-title {
  font-family: 'Noto Serif SC', 'Songti SC', Georgia, serif;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  color: #1d1d1f;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.no-v4-cases-intro {
  color: #6e6e73;
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.8;
  max-width: 560px;
}

.no-v4-btn-cases-more {
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  color: #1d1d1f;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 10px rgba(10, 37, 64, 0.06);
}

.no-v4-btn-cases-more:hover {
  color: #1d1d1f;
  background: #fff;
  box-shadow: 0 6px 20px rgba(10, 37, 64, 0.1);
}

.no-v4-case-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
  transition: transform var(--no-dur) var(--no-ease), box-shadow var(--no-dur) var(--no-ease);
}

.no-v4-case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.1);
}

.no-v4-case-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e8eef4;
}

.no-v4-case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(2px) saturate(0.85);
  transform: scale(1.04);
}

.no-v4-case-offer-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.92);
}

.no-v4-case-offer-bar strong {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.no-v4-case-offer-bar--blue {
  background: linear-gradient(90deg, #1a4a8a 0%, #2563b0 100%);
}

.no-v4-case-offer-bar--red {
  background: linear-gradient(90deg, #8b1a2e 0%, #b83248 100%);
}

.no-v4-case-offer-bar--dark {
  background: linear-gradient(90deg, #1a1a1a 0%, #333 100%);
}

.no-v4-case-pick {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: #e87722;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 8px rgba(232, 119, 34, 0.35);
}

.no-v4-case-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 18px 20px;
}

.no-v4-case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.no-v4-case-company {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #86868b;
}

.no-v4-case-year {
  flex-shrink: 0;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  color: #6e6e73;
  background: #f5f5f7;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.no-v4-case-role {
  font-size: clamp(1.0625rem, 1.8vw, 1.1875rem);
  font-weight: 800;
  color: #1d1d1f;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 12px;
}

.no-v4-case-facts {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  flex: 1;
}

.no-v4-case-facts li {
  font-size: 11px;
  line-height: 1.65;
  color: #86868b;
  margin-bottom: 6px;
}

.no-v4-case-facts li span {
  font-weight: 700;
  color: #6e6e73;
  margin-right: 4px;
}

.no-v4-case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.no-v4-case-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  color: #6e6e73;
  background: #f5f5f7;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.no-v4-case-tag--dark {
  color: #fff;
  background: #2d2d2f;
  border-color: transparent;
}

.no-v4-case-link {
  font-size: 12px;
  font-weight: 600;
  color: #1d1d1f;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--no-dur) var(--no-ease);
}

.no-v4-case-link:hover {
  color: var(--no-deep);
  text-decoration: none;
}

.no-v4-cases-disclaimer {
  margin-top: 32px;
  text-align: center;
  font-size: 12px;
  line-height: 1.7;
  color: #86868b;
}

/* 案例墙 · 三列缩略图 */
.no-v4-case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 640px) {
  .no-v4-case-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

@media (min-width: 1024px) {
  .no-v4-case-grid {
    gap: 16px;
  }
}

.no-v4-case-thumb {
  margin: 0;
  min-width: 0;
}

.no-v4-case-thumb-btn {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 0;
  border: none;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
  transition: transform var(--no-dur) var(--no-ease), box-shadow var(--no-dur) var(--no-ease);
}

.no-v4-case-thumb-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
}

.no-v4-case-thumb-btn:focus-visible {
  outline: 2px solid var(--no-accent);
  outline-offset: 2px;
}

.no-v4-case-thumb-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e8eef4;
}

.no-v4-case-thumb-visual .no-v4-case-offer-bar {
  top: auto;
  bottom: 0;
  padding: 8px 10px;
  justify-content: flex-end;
}

.no-v4-case-thumb-visual .no-v4-case-offer-bar strong {
  font-size: 10px;
}

.no-v4-case-thumb-meta {
  padding: 10px 12px 12px;
}

.no-v4-case-thumb-co {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #86868b;
  margin-bottom: 4px;
}

.no-v4-case-thumb-role {
  font-size: 14px;
  font-weight: 800;
  color: #1d1d1f;
  line-height: 1.35;
  margin: 0 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.no-v4-case-thumb-pill {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: #6e6e73;
  background: #f5f5f7;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 999px;
  padding: 3px 8px;
}

/* 案例详情弹层 */
.no-v4-case-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 280ms ease, visibility 280ms ease;
}

.no-v4-case-modal.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}

.no-v4-case-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 10, 20, 0.62);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.no-v4-case-modal-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  max-height: min(88vh, 720px);
  overflow: auto;
  background: #fff;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -8px 48px rgba(0, 0, 0, 0.28);
  transform: translateY(100%);
  transition: transform 320ms var(--no-ease);
}

.no-v4-case-modal.is-open .no-v4-case-modal-panel {
  transform: translateY(0);
}

@media (min-width: 640px) {
  .no-v4-case-modal {
    align-items: center;
    padding: 24px;
  }

  .no-v4-case-modal-panel {
    border-radius: 18px;
    max-height: min(85vh, 680px);
    transform: translateY(16px) scale(0.98);
  }

  .no-v4-case-modal.is-open .no-v4-case-modal-panel {
    transform: translateY(0) scale(1);
  }
}

.no-v4-case-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: #1d1d1f;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.no-v4-case-modal-head {
  position: relative;
  border-radius: 0;
}

.no-v4-case-modal-inner {
  padding: 20px 20px 24px;
}

.no-v4-case-modal-inner .no-v4-case-facts li {
  font-size: 14px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Offer case cards — legacy */
.no-v4-offer-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.07);
  transition: transform var(--no-dur) var(--no-ease), box-shadow var(--no-dur) var(--no-ease);
}

.no-v4-offer-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(15, 23, 42, 0.11);
}

.no-v4-offer-thumb {
  background: linear-gradient(145deg, var(--no-light-alt) 0%, #e8eef4 100%);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.no-v4-offer-thumb-inner {
  background: #fff;
  border-radius: 8px;
  padding: 16px 20px;
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.12);
  max-width: 85%;
  font-size: 11px;
  color: var(--no-muted);
  line-height: 1.6;
}

.no-v4-offer-thumb-inner strong {
  display: block;
  color: var(--no-deep);
  font-size: 13px;
  margin-bottom: 4px;
}

/* CTA box */
.no-v4-cta-box {
  background: linear-gradient(145deg, var(--no-deep) 0%, var(--no-dark-bg) 100%);
  border-radius: 24px;
  box-shadow: 0 32px 80px rgba(10, 37, 64, 0.25);
}

/* Footer */
.no-v4-footer {
  background: var(--no-dark-bg);
  color: rgba(255, 255, 255, 0.55);
}

.no-v4-footer a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color 500ms var(--no-ease);
}

.no-v4-footer a:hover { color: #fff; }

/* Reveal */
.no-v4-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms var(--no-ease), transform 800ms var(--no-ease);
}

.no-v4-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.no-v4-reveal-d1 { transition-delay: 80ms; }
.no-v4-reveal-d2 { transition-delay: 160ms; }
.no-v4-reveal-d3 { transition-delay: 240ms; }

/* Manifesto band */
.no-v4-manifesto {
  background: var(--no-light-alt);
}

/* Service Timeline — 蒸汽临摹 + 扫读强化 */
.no-v4-timeline {
  background: #f5f2eb;
}

.no-v4-text-gold {
  color: #a67c2e;
}

.no-v4-intro-lead {
  display: block;
  color: #1d1d1f;
  font-size: clamp(1.125rem, 2.2vw, 1.375rem);
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.no-v4-highlight-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.no-v4-pill {
  display: inline-flex;
  align-items: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
  font-weight: 700;
  color: #1d1d1f;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 8px rgba(10, 37, 64, 0.05);
  letter-spacing: 0.01em;
}

.no-v4-pill--gold {
  color: #7a5a1a;
  font-size: clamp(1rem, 2vw, 1.1875rem);
  background: linear-gradient(135deg, #faf3e0 0%, #f0e0b8 100%);
  border-color: rgba(201, 160, 82, 0.35);
  box-shadow: 0 4px 14px rgba(201, 160, 82, 0.18);
}

.no-v4-timeline-steps {
  position: relative;
}

.no-v4-timeline-rail {
  position: absolute;
  top: 52px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(201, 160, 82, 0.35) 15%, rgba(201, 160, 82, 0.35) 85%, transparent);
  z-index: 0;
}

.no-v4-section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #86868b;
  margin-bottom: 22px;
}

.no-v4-section-label::before {
  content: '';
  flex-shrink: 0;
  width: 32px;
  height: 1px;
  background: #c4bfb3;
}

.no-v4-timeline-title {
  font-family: 'Noto Serif SC', 'Songti SC', Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 4.8vw, 3rem);
  font-weight: 700;
  color: #1d1d1f;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

.no-v4-timeline-intro {
  color: #86868b;
  font-size: 15px;
  line-height: 1.85;
  max-width: 420px;
}

@media (min-width: 1024px) {
  .no-v4-timeline-intro {
    padding-top: 2.75rem;
    margin-left: auto;
  }
}

.no-v4-timeline-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px 30px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 16px rgba(10, 37, 64, 0.05);
  transition: transform var(--no-dur) var(--no-ease), box-shadow var(--no-dur) var(--no-ease);
  z-index: 1;
}

.no-v4-timeline-card--featured {
  border-color: rgba(201, 160, 82, 0.35);
  box-shadow: 0 8px 28px rgba(201, 160, 82, 0.14);
  background: linear-gradient(180deg, #fffdf8 0%, #fff 100%);
}

.no-v4-feature-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7a5a1a;
  background: linear-gradient(135deg, #faf3e0 0%, #f0e0b8 100%);
  border: 1px solid rgba(201, 160, 82, 0.3);
}

.no-v4-feature-badge--dark {
  color: #fff;
  background: linear-gradient(135deg, #1a4a7a 0%, var(--no-deep) 100%);
  border-color: transparent;
}

.no-v4-timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(10, 37, 64, 0.1);
}

.no-v4-timeline-num {
  font-family: 'Noto Serif SC', Georgia, 'Times New Roman', serif;
  font-size: clamp(2.25rem, 4vw, 2.875rem);
  font-weight: 600;
  line-height: 1;
  color: #c9a052;
  margin-bottom: 16px;
}

.no-v4-timeline-hook {
  font-size: clamp(1.375rem, 2.8vw, 1.75rem);
  font-weight: 800;
  color: #1d1d1f;
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 16px;
}

.no-v4-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.no-v4-tag-row span {
  display: inline-block;
  padding: 5px 11px;
  border-radius: 7px;
  font-size: clamp(0.75rem, 1.2vw, 0.8125rem);
  font-weight: 600;
  color: #6e6e73;
  background: #f5f5f7;
  border: 1px solid rgba(0, 0, 0, 0.04);
  line-height: 1.3;
}

.no-v4-tag-row--compact span {
  font-size: clamp(0.8125rem, 1.4vw, 0.9375rem);
  font-weight: 700;
  padding: 6px 12px;
  color: var(--no-deep);
  background: rgba(10, 37, 64, 0.05);
}

.no-v4-dual-strategy {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-bottom: 14px;
}

.no-v4-dual-strategy-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 10px;
  border-radius: 12px;
  text-align: center;
  min-height: 80px;
}

.no-v4-dual-strategy-item--safe {
  background: rgba(10, 37, 64, 0.06);
  border: 1px solid rgba(10, 37, 64, 0.1);
}

.no-v4-dual-strategy-item--bold {
  background: linear-gradient(135deg, #faf3e0 0%, #f0e0b8 100%);
  border: 1px solid rgba(201, 160, 82, 0.35);
}

.no-v4-dual-label {
  font-size: clamp(1.0625rem, 2vw, 1.3125rem);
  font-weight: 800;
  color: #1d1d1f;
  letter-spacing: -0.02em;
}

.no-v4-dual-hint {
  font-size: clamp(0.6875rem, 1vw, 0.75rem);
  font-weight: 600;
  color: #86868b;
  margin-top: 4px;
}

.no-v4-dual-plus {
  align-self: center;
  font-size: 1.5rem;
  font-weight: 300;
  color: #c9a052;
}

.no-v4-time-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.no-v4-time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 10px;
  border-radius: 12px;
  background: #f5f5f7;
  border: 1px solid rgba(0, 0, 0, 0.04);
  text-align: center;
  min-height: 80px;
}

.no-v4-time-block--long {
  background: rgba(10, 37, 64, 0.06);
  border-color: rgba(10, 37, 64, 0.1);
}

.no-v4-time-value {
  font-size: clamp(1.375rem, 2.8vw, 1.625rem);
  font-weight: 800;
  color: var(--no-deep);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.no-v4-time-label {
  font-size: clamp(0.6875rem, 1.1vw, 0.8125rem);
  font-weight: 600;
  color: #86868b;
  margin-top: 6px;
  line-height: 1.35;
}

.no-v4-timeline-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: #1d1d1f;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.no-v4-timeline-card-desc {
  font-size: 12px;
  line-height: 1.65;
  color: #86868b;
  margin: 0;
}

.no-v4-scan-bridge {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 28px;
  margin-top: 40px;
  padding: 28px 32px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--no-deep) 0%, #0f2236 100%);
  box-shadow: 0 12px 40px rgba(10, 37, 64, 0.18);
}

.no-v4-scan-bridge-item {
  font-size: clamp(1.3125rem, 3.5vw, 1.875rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: -0.02em;
}

.no-v4-scan-bridge-item--gold {
  color: #f0d088;
}

.no-v4-scan-bridge-num {
  display: inline-block;
  margin-right: 6px;
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: 0.85em;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
}

.no-v4-scan-bridge-item--gold .no-v4-scan-bridge-num {
  color: rgba(240, 208, 136, 0.55);
}

.no-v4-scan-bridge-arrow {
  font-size: 1.375rem;
  color: rgba(201, 160, 82, 0.5);
  font-weight: 300;
}

@media (max-width: 639px) {
  .no-v4-scan-bridge-arrow {
    display: none;
  }

  .no-v4-scan-bridge {
    gap: 12px 20px;
    padding: 22px 18px;
  }

  .no-v4-scan-bridge-item {
    font-size: 1.1875rem;
  }

  .no-v4-highlight-pills {
    gap: 8px;
  }

  .no-v4-pill {
    padding: 10px 16px;
  }
}

.no-v4-section-label--center {
  justify-content: center;
}

.no-v4-section-label--center::before {
  display: none;
}

/* What We Do — 蒸汽临摹 */
.no-v4-what-we-do {
  background: #fbfbfd;
}

.no-v4-what-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
  background: #f7f3ea;
  border-radius: 18px;
  padding: 40px 28px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

@media (min-width: 1024px) {
  .no-v4-what-panel {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    gap: 48px;
    padding: 52px 48px;
  }
}

.no-v4-what-title {
  margin-bottom: 8px;
  line-height: 1.1;
}

.no-v4-what-mega {
  display: block;
  font-family: 'Noto Serif SC', Georgia, 'Times New Roman', serif;
  font-size: clamp(4.5rem, 16vw, 8rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.9;
  background: linear-gradient(165deg, #c9a052 0%, #a67c2e 50%, #7a5a1a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.no-v4-what-mega-sub {
  display: block;
  font-family: 'Noto Serif SC', 'Songti SC', Georgia, serif;
  font-size: clamp(1.625rem, 4vw, 2.375rem);
  font-weight: 700;
  color: #1d1d1f;
  letter-spacing: -0.03em;
  margin-top: 8px;
}

.no-v4-what-tagline {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  font-weight: 800;
  color: var(--no-deep);
  letter-spacing: 0.01em;
  margin-bottom: 22px;
}

.no-v4-scan-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.no-v4-scan-list li {
  position: relative;
  padding-left: 18px;
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.55;
  color: #6e6e73;
}

.no-v4-scan-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #c9a052;
}

.no-v4-scan-list strong {
  color: #1d1d1f;
  font-weight: 800;
  font-size: clamp(1.0625rem, 1.8vw, 1.1875rem);
}

.no-v4-what-desc {
  color: #86868b;
  font-size: 13px;
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 360px;
}

.no-v4-btn-gold-dark {
  padding: 13px 24px;
  font-size: 14px;
  font-weight: 600;
  color: #1a1208;
  background: linear-gradient(135deg, #f0d088 0%, #d4af6a 100%);
  border: none;
  box-shadow: 0 6px 20px rgba(201, 160, 82, 0.28);
}

.no-v4-btn-gold-dark:hover {
  color: #1a1208;
  box-shadow: 0 10px 28px rgba(201, 160, 82, 0.38);
}

.no-v4-what-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.no-v4-btn-outline-cream {
  padding: 12px 22px;
  font-size: 14px;
  color: #1d1d1f;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: none;
}

.no-v4-btn-outline-cream:hover {
  color: #1d1d1f;
  background: #fff;
  border-color: rgba(0, 0, 0, 0.16);
  box-shadow: 0 4px 16px rgba(10, 37, 64, 0.06);
}

.no-v4-what-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 640px) {
  .no-v4-what-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

.no-v4-what-card {
  position: relative;
  background: #fff;
  border-radius: 14px;
  padding: 24px 22px 26px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 2px 10px rgba(10, 37, 64, 0.04);
  transition: transform var(--no-dur) var(--no-ease), box-shadow var(--no-dur) var(--no-ease);
}

.no-v4-what-card--featured {
  border-color: rgba(10, 37, 64, 0.12);
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.08);
}

.no-v4-what-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(10, 37, 64, 0.1);
}

.no-v4-what-card-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  color: var(--no-deep);
  opacity: 0.75;
}

.no-v4-what-card-icon svg {
  width: 100%;
  height: 100%;
}

.no-v4-what-hook {
  font-size: clamp(1.1875rem, 2.2vw, 1.4375rem);
  font-weight: 800;
  color: #1d1d1f;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.no-v4-what-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #1d1d1f;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.no-v4-what-card-desc {
  font-size: 12px;
  line-height: 1.65;
  color: #86868b;
  margin: 0;
}

/* Deep feature card (tech grid) */
.no-v4-card-deep {
  background: linear-gradient(145deg, var(--no-deep) 0%, var(--no-deep-mid) 100%);
  color: #f5f5f7;
  box-shadow: 0 20px 56px rgba(10, 37, 64, 0.2);
}

.no-v4-card-deep:hover {
  box-shadow: 0 28px 72px rgba(10, 37, 64, 0.28);
}

.no-v4-card-deep .no-v4-icon {
  stroke: rgba(245, 245, 247, 0.9);
}

.no-v4-card-deep .no-v4-muted-on-dark {
  color: rgba(245, 245, 247, 0.72);
}

/* Journey map */
.no-v4-journey-path {
  position: absolute;
  left: 23px;
  top: 36px;
  bottom: 36px;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(10, 37, 64, 0.12) 15%, rgba(10, 37, 64, 0.12) 85%, transparent);
}

.no-v4-journey-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--no-deep);
  box-shadow: 0 0 0 4px rgba(10, 37, 64, 0.08);
}

/* HR + Engineer duo */
.no-v4-duo-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px 36px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.07);
  transition: transform var(--no-dur) var(--no-ease);
}

.no-v4-duo-card:hover { transform: scale(1.008); }

.no-v4-duo-card-accent {
  background: linear-gradient(165deg, #fff 0%, #eef3f8 100%);
  border: 1px solid rgba(10, 37, 64, 0.08);
}

.no-v4-duo-role {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--no-deep);
  background: rgba(10, 37, 64, 0.06);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* Story quotes */
.no-v4-story-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 20px 56px rgba(15, 23, 42, 0.07);
  transition: transform var(--no-dur) var(--no-ease);
}

.no-v4-story-card:hover { transform: scale(1.005); }

.no-v4-quote-mark {
  font-size: 3.5rem;
  line-height: 1;
  color: rgba(10, 37, 64, 0.08);
  font-family: Georgia, "Times New Roman", serif;
}

.no-v4-story-aside {
  background: linear-gradient(145deg, var(--no-light-alt) 0%, #fff 100%);
  border-radius: 16px;
}

/* Five pillars strip */
.no-v4-pillar {
  background: rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 20px 18px;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.05);
  transition: transform 500ms var(--no-ease);
}

.no-v4-pillar:hover { transform: translateY(-2px); }

.no-v4-highlight {
  background: linear-gradient(135deg, rgba(10, 37, 64, 0.04) 0%, rgba(45, 108, 223, 0.06) 100%);
  border-radius: 16px;
  padding: 24px 32px;
  text-align: center;
}

/* Offer direction chips (light) */
.no-v4-offer-chip {
  background: #fff;
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
  transition: transform 500ms var(--no-ease);
}

.no-v4-offer-chip:hover { transform: translateY(-2px); }

@media (prefers-reduced-motion: reduce) {
  .no-v4-reveal { opacity: 1; transform: none; transition: none; }
  .no-v4-case-card:hover,
  .no-v4-offer-card:hover, .no-v4-btn:hover { transform: none; }
  .no-v4-story-card:hover, .no-v4-duo-card:hover, .no-v4-pillar:hover, .no-v4-offer-chip:hover { transform: none; }
  .no-v4-svc-hero-badge-dot { animation: none; }
  .no-v4-svc-board-stage:hover { transform: none; }
}

/* 首页 · 服务体系简明入口 */
.no-v4-svc-teaser {
  background: #050a14;
  position: relative;
  overflow: hidden;
}

.no-v4-svc-teaser::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 80% 20%, rgba(201, 160, 82, 0.08) 0%, transparent 55%);
  pointer-events: none;
}

.no-v4-svc-teaser > div { position: relative; z-index: 1; }

.no-v4-svc-teaser-title {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(1.875rem, 4vw, 2.625rem);
  font-weight: 700;
  color: #f5f5f7;
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.no-v4-svc-teaser-desc {
  color: rgba(255, 255, 255, 0.58);
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  max-width: 480px;
}

.no-v4-svc-map {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 24px 22px;
}

.no-v4-svc-map-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 16px;
}

.no-v4-svc-map-track {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

@media (min-width: 640px) {
  .no-v4-svc-map-track--hero { grid-template-columns: repeat(4, 1fr); }
}

.no-v4-svc-map-node {
  padding: 12px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  line-height: 1.35;
}

.no-v4-svc-map-node span {
  display: block;
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: 1.125rem;
  color: #f0d088;
  margin-bottom: 4px;
}

.no-v4-svc-map-loop {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
}

.no-v4-svc-map-loop strong { color: #f0d088; }

.no-v4-svc-map-note {
  margin-top: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.38);
  line-height: 1.6;
}

.no-v4-svc-phase-card {
  padding: 22px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.no-v4-svc-phase-card--accent {
  border-color: rgba(201, 160, 82, 0.3);
  background: rgba(201, 160, 82, 0.08);
}

.no-v4-svc-phase-num {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #f0d088;
  margin-bottom: 8px;
}

.no-v4-svc-phase-title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.no-v4-svc-phase-desc {
  font-size: 12px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.48);
}

.no-v4-svc-teaser-foot {
  margin-top: 28px;
  text-align: center;
}

.no-v4-svc-teaser-link {
  font-size: 13px;
  font-weight: 600;
  color: rgba(240, 208, 136, 0.85);
  text-decoration: none;
}

.no-v4-svc-teaser-link:hover { color: #f0d088; text-decoration: underline; }

/* 服务体系页 Hero — 高信息密度首屏 */
.no-v4-svc-hero {
  background: #050a14;
  position: relative;
  overflow: hidden;
}

.no-v4-svc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 22% 35%, rgba(30, 80, 140, 0.16) 0%, transparent 55%),
    radial-gradient(ellipse 50% 45% at 85% 60%, rgba(201, 160, 82, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.no-v4-svc-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, transparent 85%);
  pointer-events: none;
}

.no-v4-svc-hero > div { position: relative; z-index: 1; }

.no-v4-svc-crumb {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 20px;
  padding-top: 16px;
}

.no-v4-svc-crumb a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
}

.no-v4-svc-crumb a:hover { color: rgba(255, 255, 255, 0.75); }

.no-v4-svc-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 20px;
}

.no-v4-svc-hero-badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f0d088;
  box-shadow: 0 0 16px rgba(240, 208, 136, 0.75);
  flex-shrink: 0;
  animation: no-v4-svc-pulse 2.4s ease-in-out infinite;
}

@keyframes no-v4-svc-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.85; }
}

.no-v4-svc-hero-title {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(2.125rem, 7vw, 3.375rem);
  font-weight: 700;
  line-height: 1.12;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.no-v4-svc-hero-desc {
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(1.0625rem, 3vw, 1.1875rem);
  line-height: 1.6;
  max-width: 540px;
  font-weight: 500;
}

.no-v4-svc-hero-desc strong {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}

/* 三项硬承诺 */
.no-v4-svc-hero-guarantees {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.no-v4-svc-hero-guarantee {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.no-v4-svc-hero-guarantee-num {
  flex-shrink: 0;
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(1.75rem, 5vw, 2.125rem);
  font-weight: 700;
  color: #f0d088;
  line-height: 1;
  min-width: 52px;
  text-align: center;
  padding-top: 2px;
}

.no-v4-svc-hero-guarantee-unit {
  font-size: 0.55em;
}

.no-v4-svc-hero-guarantee-title {
  font-size: clamp(15px, 3.5vw, 17px);
  font-weight: 800;
  color: #fff;
  margin: 0 0 4px;
  line-height: 1.35;
}

.no-v4-svc-hero-guarantee-desc {
  font-size: clamp(13px, 3vw, 14px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.48);
  margin: 0;
}

.no-v4-svc-hero-highlights {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.no-v4-svc-hero-highlights li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(1.0625rem, 3.2vw, 1.1875rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
}

.no-v4-svc-hero-highlights li strong {
  color: #f0d088;
  font-weight: 800;
}

.no-v4-svc-hero-hl-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 18px;
  font-weight: 900;
  color: #f0d088;
  background: rgba(201, 160, 82, 0.14);
  border: 1px solid rgba(201, 160, 82, 0.32);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.no-v4-svc-hero-hl-icon--live {
  color: #7eb8ff;
  background: rgba(45, 108, 223, 0.18);
  border-color: rgba(45, 108, 223, 0.35);
}

.no-v4-svc-hero-hl-icon--rec {
  color: #ffb4c8;
  background: rgba(200, 80, 120, 0.15);
  border-color: rgba(200, 80, 120, 0.3);
}

.no-v4-svc-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 28px;
  padding-top: 0;
  border-top: none;
}

.no-v4-svc-hero-stat {
  padding: 16px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.no-v4-svc-hero-stat-num {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 700;
  color: #f0d088;
  line-height: 1;
  margin-bottom: 6px;
}

.no-v4-svc-hero-stat-unit {
  font-size: 0.6em;
  opacity: 0.9;
}

.no-v4-svc-hero-stat-label {
  font-size: clamp(12px, 3vw, 14px);
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 700;
}

/* 服务推进总览图 — 清晰网格排版 */
.no-v4-svc-map {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 22px 18px 18px;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.35);
}

.no-v4-svc-map-head {
  margin-bottom: 16px;
}

.no-v4-svc-map-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(240, 208, 136, 0.85);
  margin-bottom: 4px;
}

.no-v4-svc-map-title {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(1.25rem, 3.5vw, 1.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.no-v4-svc-map-sub {
  font-size: clamp(13px, 3vw, 14px);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.48);
  margin: 0;
  max-width: 420px;
}

/* 三线能力教学 */
.no-v4-svc-tlines {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 0;
}

.no-v4-svc-tline {
  padding: 16px 16px 14px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.no-v4-svc-tline--sde {
  border-left: 4px solid rgba(90, 156, 255, 0.65);
  background: linear-gradient(135deg, rgba(45, 108, 223, 0.1) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.no-v4-svc-tline--llm {
  border-left: 4px solid rgba(180, 130, 255, 0.6);
  background: linear-gradient(135deg, rgba(120, 80, 200, 0.1) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.no-v4-svc-tline--offer {
  border-left: 4px solid rgba(240, 208, 136, 0.65);
  background: linear-gradient(135deg, rgba(201, 160, 82, 0.1) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.no-v4-svc-tline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 8px;
}

.no-v4-svc-tline-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.no-v4-svc-tline--sde .no-v4-svc-tline-badge {
  color: #9ec5ff;
  background: rgba(45, 108, 223, 0.15);
  border-color: rgba(45, 108, 223, 0.3);
}

.no-v4-svc-tline--llm .no-v4-svc-tline-badge {
  color: #d4b8ff;
  background: rgba(120, 80, 200, 0.15);
  border-color: rgba(120, 80, 200, 0.3);
}

.no-v4-svc-tline--offer .no-v4-svc-tline-badge {
  color: #f0d088;
  background: rgba(201, 160, 82, 0.15);
  border-color: rgba(201, 160, 82, 0.3);
}

.no-v4-svc-tline-title {
  font-size: clamp(16px, 3.8vw, 18px);
  font-weight: 800;
  color: #fff;
  margin: 0;
  line-height: 1.3;
}

.no-v4-svc-tline-hook {
  font-size: clamp(13px, 3.2vw, 14px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 6px;
  line-height: 1.4;
}

.no-v4-svc-tline-desc {
  font-size: clamp(12px, 3vw, 13px);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.42);
  margin: 0 0 12px;
}

.no-v4-svc-tline-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 0;
}

@media (max-width: 440px) {
  .no-v4-svc-tline-flow { gap: 8px; }
  .no-v4-svc-tline-sep { display: none; }
}

.no-v4-svc-tline-node {
  flex-shrink: 0;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.no-v4-svc-tline-node--accent {
  color: #f0d088;
  background: rgba(201, 160, 82, 0.14);
  border-color: rgba(201, 160, 82, 0.3);
}

.no-v4-svc-tline--sde .no-v4-svc-tline-node--accent {
  color: #9ec5ff;
  background: rgba(45, 108, 223, 0.18);
  border-color: rgba(45, 108, 223, 0.35);
}

.no-v4-svc-tline--llm .no-v4-svc-tline-node--accent {
  color: #d4b8ff;
  background: rgba(120, 80, 200, 0.18);
  border-color: rgba(120, 80, 200, 0.35);
}

.no-v4-svc-tline-sep {
  flex: 1;
  min-width: 12px;
  height: 2px;
  margin: 0 6px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.28));
  border-radius: 999px;
}

.no-v4-svc-tline--sde .no-v4-svc-tline-sep {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(90, 156, 255, 0.45));
}

.no-v4-svc-tline--llm .no-v4-svc-tline-sep {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(180, 130, 255, 0.45));
}

.no-v4-svc-tline--offer .no-v4-svc-tline-sep {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(240, 208, 136, 0.45));
}

/* 三线汇流 */
.no-v4-svc-tlines-converge {
  position: relative;
  height: 36px;
  margin: 4px 0 8px;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.no-v4-svc-tlines-converge-line {
  position: absolute;
  bottom: 10px;
  width: 2px;
  height: 22px;
  border-radius: 999px;
  transform-origin: bottom center;
}

.no-v4-svc-tlines-converge-line--sde {
  left: 28%;
  background: rgba(90, 156, 255, 0.5);
  transform: rotate(12deg);
}

.no-v4-svc-tlines-converge-line--llm {
  left: 50%;
  margin-left: -1px;
  background: rgba(180, 130, 255, 0.5);
}

.no-v4-svc-tlines-converge-line--offer {
  right: 28%;
  background: rgba(240, 208, 136, 0.5);
  transform: rotate(-12deg);
}

.no-v4-svc-tlines-converge-dot {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f0d088;
  box-shadow: 0 0 14px rgba(240, 208, 136, 0.65);
}

/* Offer 收敛条 */
.no-v4-svc-map-offer {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  border-radius: 14px;
  color: #0a2540;
  background: linear-gradient(135deg, #f5dc98 0%, #c9a052 100%);
  box-shadow: 0 6px 28px rgba(201, 160, 82, 0.35);
}

.no-v4-svc-map-offer-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(10, 37, 64, 0.15);
  font-size: 15px;
  font-weight: 900;
  flex-shrink: 0;
}

.no-v4-svc-map-offer-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.no-v4-svc-map-offer-text {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(1rem, 3vw, 1.125rem);
  font-weight: 700;
  line-height: 1.3;
}

.no-v4-svc-map-offer-sub {
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
  color: rgba(10, 37, 64, 0.65);
}

/* Hero 底部三卖点 */
.no-v4-svc-hero-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 640px) {
  .no-v4-svc-hero-pillars {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.no-v4-svc-hero-pillar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 18px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 641px) {
  .no-v4-svc-hero-pillar {
    padding: 20px 16px;
  }
}

.no-v4-svc-hero-pillar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #f0d088;
  background: rgba(201, 160, 82, 0.14);
  border: 1px solid rgba(201, 160, 82, 0.28);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.no-v4-svc-hero-pillar--sde .no-v4-svc-hero-pillar-icon {
  color: #9ec5ff;
  background: rgba(45, 108, 223, 0.14);
  border-color: rgba(45, 108, 223, 0.3);
}

.no-v4-svc-hero-pillar--llm .no-v4-svc-hero-pillar-icon {
  color: #d4b8ff;
  background: rgba(120, 80, 200, 0.14);
  border-color: rgba(120, 80, 200, 0.3);
}

.no-v4-svc-hero-pillar--info .no-v4-svc-hero-pillar-icon {
  color: #f0d088;
  background: rgba(201, 160, 82, 0.14);
  border-color: rgba(201, 160, 82, 0.28);
}

.no-v4-svc-hero-pillar-title {
  font-size: clamp(17px, 4vw, 19px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 0;
}

.no-v4-svc-hero-pillar-desc {
  font-size: clamp(14px, 3.2vw, 15px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.48);
  margin: 0;
  font-weight: 500;
}

/* 双引擎：海量资源 × 1v1 精讲 */
.no-v4-svc-balance { background: #fbfbfd; }

.no-v4-balance-card {
  padding: 28px 26px;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: #fff;
  box-shadow: 0 8px 32px rgba(10, 37, 64, 0.06);
}

.no-v4-balance-card--live {
  border-color: rgba(45, 108, 223, 0.15);
  background: linear-gradient(145deg, #fff 0%, rgba(45, 108, 223, 0.04) 100%);
}

.no-v4-balance-card--lib {
  border-color: rgba(201, 160, 82, 0.2);
  background: linear-gradient(145deg, #fff 0%, rgba(201, 160, 82, 0.06) 100%);
}

.no-v4-balance-tag {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #86868b;
  margin-bottom: 12px;
}

.no-v4-balance-card--live .no-v4-balance-tag { color: #1a4a8a; }
.no-v4-balance-card--lib .no-v4-balance-tag { color: #7a5a1a; }

.no-v4-balance-title {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 16px;
}

.no-v4-balance-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  color: #515154;
  line-height: 1.75;
}

.no-v4-balance-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
}

.no-v4-balance-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(10, 37, 64, 0.25);
}

.no-v4-balance-card--live .no-v4-balance-list li::before { background: rgba(45, 108, 223, 0.45); }
.no-v4-balance-card--lib .no-v4-balance-list li::before { background: rgba(201, 160, 82, 0.55); }

.no-v4-balance-list strong { color: #1d1d1f; font-weight: 600; }

.no-v4-resource-panel {
  padding: 28px 26px 24px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--no-deep) 0%, #0f2236 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.no-v4-resource-panel-title {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240, 208, 136, 0.85);
  margin-bottom: 16px;
}

.no-v4-resource-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.no-v4-resource-pill {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.no-v4-resource-pill--gold {
  color: #f0d088;
  background: rgba(201, 160, 82, 0.15);
  border-color: rgba(201, 160, 82, 0.35);
}

.no-v4-resource-panel-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.52);
  max-width: 720px;
}

.no-v4-svc-phases { background: #f9f7f2; }

.no-v4-phase-block { margin-bottom: 0; }

.no-v4-phase-head { margin-bottom: 20px; }

.no-v4-phase-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.no-v4-phase-badge--pre { background: rgba(10, 37, 64, 0.08); color: var(--no-deep); }
.no-v4-phase-badge--core { background: rgba(45, 108, 223, 0.12); color: #1a4a8a; }
.no-v4-phase-badge--llm { background: rgba(201, 160, 82, 0.15); color: #7a5a1a; }
.no-v4-phase-badge--post { background: rgba(139, 26, 46, 0.1); color: #8b1a2e; }
.no-v4-phase-badge--as { background: rgba(10, 37, 64, 0.12); color: var(--no-deep); }

.no-v4-phase-heading {
  font-family: 'Noto Serif SC', Georgia, serif;
  font-size: clamp(1.375rem, 2.5vw, 1.625rem);
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 8px;
}

.no-v4-phase-intro {
  font-size: 14px;
  color: #86868b;
  line-height: 1.7;
  max-width: 640px;
}

.no-v4-mod-table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: #fff;
  box-shadow: 0 4px 20px rgba(10, 37, 64, 0.05);
}

.no-v4-mod-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.no-v4-mod-table th,
.no-v4-mod-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.no-v4-mod-table th {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #86868b;
  background: #f5f5f7;
}

.no-v4-mod-table td:first-child {
  font-weight: 700;
  color: var(--no-deep);
  white-space: nowrap;
  font-size: 12px;
}

.no-v4-mod-table tbody tr:last-child td { border-bottom: none; }

.no-v4-mod-table tbody tr:hover td { background: rgba(10, 37, 64, 0.02); }

.no-v4-svc-team {
  background: #050a14;
}

.no-v4-svc-team-card {
  padding: 22px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.no-v4-svc-team-card--accent {
  border-color: rgba(201, 160, 82, 0.25);
  background: rgba(201, 160, 82, 0.06);
}

.no-v4-svc-team .no-v4-duo-role {
  color: rgba(240, 208, 136, 0.9);
  background: rgba(201, 160, 82, 0.12);
}

.no-v4-svc-cta {
  background: linear-gradient(145deg, var(--no-deep) 0%, #0f2236 100%);
}

.no-v4-svc-cta .no-v4-svc-hero-desc { margin-left: auto; margin-right: auto; }

/* ===== v4 响应式布局 · 手机 / 平板 ===== */

.no-v4-mobile-subnav {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  z-index: 45;
  display: flex;
  gap: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 0 8px;
  background: rgba(7, 24, 40, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.no-v4-mobile-subnav::-webkit-scrollbar { display: none; }

.no-v4-mobile-subnav a {
  flex-shrink: 0;
  padding: 11px 14px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 200ms ease, border-color 200ms ease;
}

.no-v4-mobile-subnav a:active,
.no-v4-mobile-subnav a:hover {
  color: #f0d088;
  text-decoration: none;
}

.no-v4-nav.on-light + .no-v4-mobile-subnav {
  background: rgba(251, 251, 253, 0.94);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

.no-v4-nav.on-light + .no-v4-mobile-subnav a {
  color: rgba(29, 29, 31, 0.62);
}

.no-v4-nav.on-light + .no-v4-mobile-subnav a:active,
.no-v4-nav.on-light + .no-v4-mobile-subnav a:hover {
  color: var(--no-deep);
}

@media (max-width: 1023px) {
  .no-v4-nav > div {
    padding-left: 16px;
    padding-right: 16px;
  }

  .no-v4-home-hero-impact,
  .no-v4-svc-hero {
    padding-top: 108px !important;
  }

  .no-v4-hero-float-consult {
    right: 16px;
    bottom: 88px;
    padding: 11px 16px;
    font-size: 12px;
  }

  .no-v4-hero-scroll-hint {
    bottom: clamp(14px, 2.5vh, 22px);
    padding: 10px 22px 8px;
    font-size: 13px;
  }
}

@media (max-width: 767px) {
  /* —— 首页 Hero —— */
  .no-v4-home-impact-grid {
    gap: 32px;
    padding: 8px 0 0;
  }

  .no-v4-home-impact-title {
    font-size: clamp(2.125rem, 9vw, 2.75rem);
  }

  .no-v4-home-impact-title .no-v4-hero-gold.block {
    font-size: clamp(2.375rem, 10vw, 3rem);
  }

  .no-v4-home-impact-lead--brand {
    font-size: 17px;
    line-height: 1.72;
    margin-bottom: 22px;
  }

  .no-v4-home-impact-cta {
    flex-direction: column;
    gap: 10px;
  }

  .no-v4-home-impact-cta .no-v4-btn-hero {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .no-v4-home-impact-metric-label {
    font-size: 15px;
  }

  .no-v4-home-impact-strength {
    padding: 18px 16px;
  }

  .no-v4-home-impact-strength-title {
    font-size: 1.375rem;
  }

  .no-v4-home-impact-strength-desc {
    font-size: 16px;
    line-height: 1.62;
  }

  .no-v4-home-impact-persona {
    padding: 16px;
  }

  .no-v4-home-impact-persona-title {
    font-size: 17px;
  }

  .no-v4-home-impact-persona-desc {
    font-size: 15px;
  }

  /* —— 首页各区块 —— */
  .no-v4-timeline,
  .no-v4-what-we-do,
  .no-v4-proof,
  .no-v4-svc-teaser,
  .no-v4-cases {
    padding-top: 56px !important;
    padding-bottom: 56px !important;
  }

  .no-v4-timeline-title,
  .no-v4-cases-title {
    font-size: clamp(1.875rem, 7vw, 2.375rem);
  }

  .no-v4-timeline-intro,
  .no-v4-cases-intro {
    font-size: 16px;
    line-height: 1.72;
  }

  .no-v4-timeline-hook {
    font-size: 1.25rem;
  }

  .no-v4-timeline-card {
    padding: 20px 18px 22px;
  }

  .no-v4-what-panel {
    padding: 28px 20px;
    gap: 28px;
  }

  .no-v4-what-mega {
    font-size: clamp(3.5rem, 18vw, 5rem);
  }

  .no-v4-what-actions {
    flex-direction: column;
    gap: 10px;
  }

  .no-v4-what-actions .no-v4-btn {
    width: 100%;
    justify-content: center;
  }

  .no-v4-proof-stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .no-v4-proof-stat-num {
    font-size: 1.75rem;
  }

  .no-v4-proof-stat-title {
    font-size: 14px;
  }

  .no-v4-proof-stat-desc {
    font-size: 12px;
  }

  .no-v4-proof-desc {
    font-size: 16px;
    line-height: 1.72;
  }

  .no-v4-svc-teaser-title {
    font-size: clamp(1.75rem, 7vw, 2.25rem);
  }

  .no-v4-svc-teaser-desc {
    font-size: 16px;
    line-height: 1.72;
  }

  .no-v4-svc-map-node {
    padding: 14px 10px;
    font-size: 13px;
  }

  .no-v4-case-thumb-role {
    font-size: 13px;
  }

  .no-v4-case-grid {
    gap: 10px;
  }

  .no-v4-btn-cases-more {
    width: 100%;
    justify-content: center;
  }

  /* —— 服务体系页 Hero —— */
  .no-v4-svc-hero {
    padding-bottom: 48px !important;
  }

  .no-v4-svc-hero-title {
    font-size: clamp(2rem, 8.5vw, 2.625rem);
    line-height: 1.15;
  }

  .no-v4-svc-hero-desc {
    font-size: 16px;
    line-height: 1.72;
  }

  .no-v4-svc-hero-guarantee {
    padding: 16px 14px;
    gap: 12px;
  }

  .no-v4-svc-hero-guarantee-num {
    font-size: 2rem;
    min-width: 48px;
  }

  .no-v4-svc-hero-guarantee-title {
    font-size: 16px;
  }

  .no-v4-svc-hero-guarantee-desc {
    font-size: 15px;
    line-height: 1.58;
    color: rgba(255, 255, 255, 0.58);
  }

  .no-v4-svc-hero-highlights li {
    font-size: 16px;
    width: 100%;
  }

  .no-v4-svc-hero .flex.flex-wrap.gap-3 {
    flex-direction: column;
    gap: 10px !important;
    margin-top: 20px !important;
  }

  .no-v4-svc-hero .flex.flex-wrap.gap-3 .no-v4-btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .no-v4-svc-hero-stats {
    display: none;
  }

  .no-v4-svc-map {
    padding: 20px 16px;
    border-radius: 16px;
  }

  .no-v4-svc-map-title {
    font-size: 1.375rem;
  }

  .no-v4-svc-map-sub {
    font-size: 15px;
    line-height: 1.6;
  }

  .no-v4-svc-tline {
    padding: 16px 14px;
  }

  .no-v4-svc-tline-title {
    font-size: 1.125rem;
  }

  .no-v4-svc-tline-desc {
    font-size: 15px;
    line-height: 1.58;
  }

  .no-v4-svc-tline-flow {
    flex-wrap: wrap;
    gap: 8px;
  }

  .no-v4-svc-tline-node {
    font-size: 12px;
    padding: 6px 10px;
  }

  .no-v4-svc-tlines-converge {
    height: 48px;
    margin: 8px 0;
  }

  .no-v4-svc-map-offer {
    padding: 14px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .no-v4-svc-map-offer-text {
    font-size: 1.0625rem;
  }

  .no-v4-svc-map-offer-sub {
    font-size: 14px;
    line-height: 1.5;
  }

  .no-v4-svc-hero-pillar {
    padding: 18px 16px;
  }

  .no-v4-svc-hero-pillar-title {
    font-size: 17px;
  }

  .no-v4-svc-hero-pillar-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.58);
  }

  /* —— 服务体系 · 内容区 —— */
  .no-v4-svc-balance,
  .no-v4-svc-phases,
  section[id="journey"],
  section[id="depth"] {
    padding-top: 56px !important;
    padding-bottom: 56px !important;
  }

  .no-v4-balance-card {
    padding: 22px 18px;
  }

  .no-v4-balance-title {
    font-size: 1.1875rem;
  }

  .no-v4-balance-list {
    font-size: 15px;
  }

  .no-v4-resource-panel {
    padding: 22px 18px;
  }

  .no-v4-resource-pill {
    font-size: 13px;
    padding: 8px 14px;
  }

  .no-v4-resource-panel-desc {
    font-size: 15px;
  }

  .no-v4-phase-heading {
    font-size: 1.375rem;
  }

  .no-v4-phase-intro {
    font-size: 15px;
    line-height: 1.65;
  }

  /* 模块表 → 手机卡片 */
  .no-v4-mod-table-wrap {
    overflow-x: visible;
    border: none;
    background: transparent;
    box-shadow: none;
  }

  .no-v4-mod-table,
  .no-v4-mod-table tbody,
  .no-v4-mod-table tr,
  .no-v4-mod-table td {
    display: block;
    width: 100%;
  }

  .no-v4-mod-table thead {
    display: none;
  }

  .no-v4-mod-table tbody tr {
    margin-bottom: 12px;
    padding: 16px;
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, 0.07);
    background: #fff;
    box-shadow: 0 4px 16px rgba(10, 37, 64, 0.06);
  }

  .no-v4-mod-table tbody tr:last-child {
    margin-bottom: 0;
  }

  .no-v4-mod-table td {
    padding: 0;
    border: none;
  }

  .no-v4-mod-table td:first-child {
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #86868b;
    margin-bottom: 6px;
    white-space: normal;
  }

  .no-v4-mod-table td:nth-child(2) {
    font-size: 17px;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 10px;
    line-height: 1.35;
  }

  .no-v4-mod-table td:nth-child(3) {
    font-size: 15px;
    line-height: 1.65;
    color: #515154;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }

  .no-v4-mod-table tbody tr:hover td {
    background: transparent;
  }

  .no-v4-card.p-8 {
    padding: 22px 18px !important;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .no-v4-home-impact-grid {
    gap: 40px;
  }

  .no-v4-svc-hero-guarantee-desc {
    font-size: 14px;
  }

  .no-v4-mod-table {
    font-size: 14px;
  }

  .no-v4-mod-table td:nth-child(3) {
    min-width: 280px;
  }
}

@media (max-width: 480px) {
  .no-v4-home-impact-personas {
    grid-template-columns: 1fr;
  }

  .no-v4-highlight-pills {
    flex-direction: column;
    align-items: stretch;
  }

  .no-v4-pill {
    text-align: center;
  }

  .no-v4-scan-bridge {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .no-v4-scan-bridge-item {
    justify-content: center;
  }

  .no-v4-footer {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .no-v4-footer .grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}