:root {
  --brand: #1e3a8a;
  --brand-dark: #172554;
  --cta: #f97316;
  --cta-dark: #ea580c;
  --muted: #64748b;
  --white: #ffffff;
  --bg: #f4f6fb;
  --text: #1e293b;
  --line: #e2e8f0;
  --light: #f8fafc;
  --dark: #1e3a8a;

  /* 垂直节奏与间距 */
  --section-pad-y: clamp(4rem, 9vw, 5.75rem);
  --section-pad-y-tight: clamp(2.5rem, 5vw, 3.25rem);
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 2.5rem;
  --content-max: 42rem;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

button,
.btn,
.menu-toggle,
input[type="submit"] {
  touch-action: manipulation;
}

body {
  background-image: radial-gradient(
      1200px 680px at 110% -10%,
      rgba(30, 58, 138, 0.07),
      rgba(30, 58, 138, 0) 60%
    ),
    radial-gradient(
      920px 600px at -10% 8%,
      rgba(249, 115, 22, 0.04),
      rgba(249, 115, 22, 0) 60%
    );
  background-attachment: fixed;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(1240px, 92%);
  margin: 0 auto;
}

.narrow {
  width: min(980px, 92%);
}

.section {
  padding: var(--section-pad-y) 0;
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.hero.section {
  padding-top: calc(var(--section-pad-y) + 0.25rem);
}

.kicker {
  display: inline-block;
  margin: 0 0 var(--space-2);
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 700;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-3);
  line-height: 1.22;
}

h1 {
  font-size: clamp(2.125rem, 4.2vw + 0.5rem, 3.5rem);
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.75rem, 2.8vw + 0.75rem, 2.625rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 1.2vw + 1rem, 1.5rem);
}

.lead {
  color: var(--muted);
  font-size: clamp(1rem, 0.35vw + 0.95rem, 1.125rem);
  line-height: 1.68;
  margin-bottom: var(--space-4);
  max-width: min(var(--content-max), 100%);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 26px;
  border-radius: 999px;
  background: var(--cta);
  color: var(--white);
  border: 1px solid var(--cta);
  font-weight: 600;
  transition: 0.2s ease;
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.28);
}

.btn:hover {
  background: var(--cta-dark);
  border-color: var(--cta-dark);
}

.btn-secondary {
  background: var(--white);
  color: var(--brand);
  border-color: var(--brand);
  box-shadow: none;
}

.btn-secondary:hover {
  background: rgba(30, 58, 138, 0.06);
}

.btn-small {
  height: 38px;
  padding: 0 18px;
}

.cookie-banner {
  background: #0e0e0e;
  color: #fff;
  font-size: 14px;
  padding: 10px 16px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.cookie-banner p {
  margin: 0;
}

.cookie-banner button {
  border: 0;
  background: #fff;
  color: #111;
  border-radius: 8px;
  padding: 10px 16px;
  min-height: 44px;
  cursor: pointer;
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

.nav-wrap {
  position: relative;
  z-index: 21;
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: env(safe-area-inset-top, 0px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  background: #0a0a0a;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.35);
  flex-shrink: 0;
}

.logo-img {
  display: block;
  height: 36px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
}

.logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--brand);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.main-nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.9375rem;
}

.main-nav a:hover {
  color: var(--brand);
}

.main-nav a[aria-current="page"] {
  color: var(--brand);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 10px;
  min-width: 44px;
  min-height: 44px;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--text);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 3rem);
  position: relative;
  z-index: 1;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #e8edf7 0%, #f4f6fb 50%, var(--white) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  right: -140px;
  top: -220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 58, 138, 0.14), rgba(30, 58, 138, 0));
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  left: -180px;
  bottom: -220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.07), rgba(249, 115, 22, 0));
  pointer-events: none;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-4) 0 var(--space-5);
}

.hero-image img {
  border-radius: 1.25rem;
  min-height: min(28rem, 70vh);
  object-fit: cover;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-stats div {
  border: 1px solid var(--line);
  border-radius: 0.875rem;
  padding: var(--space-3) var(--space-4);
  min-width: 10.5rem;
  background: var(--white);
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.06);
}

.stat-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  margin-bottom: var(--space-2);
}

.hero-stats strong {
  display: block;
  font-size: clamp(1.375rem, 2vw, 1.75rem);
  letter-spacing: -0.02em;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.8125rem;
}

.trust {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--section-pad-y-tight) 0;
  background: linear-gradient(180deg, var(--white) 0%, #f1f5f9 100%);
}

.trust-title {
  margin: 0 0 var(--space-3);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.trust-logos span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
}

.trust-logo-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.trust-logo-item img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.trust-logo-item em {
  font-style: normal;
}

.three-cols,
.services-grid,
.case-grid {
  display: grid;
  gap: var(--space-4);
}

.three-cols {
  grid-template-columns: repeat(3, 1fr);
  margin-top: var(--space-2);
}

.case-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: var(--space-4);
}

.card,
.service-card,
.case-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: var(--space-5) var(--space-4);
  background: var(--white);
}

.service-card {
  box-shadow: 0 10px 28px rgba(30, 58, 138, 0.07);
  min-height: auto;
}

.card-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  margin-bottom: var(--space-2);
}

.card {
  min-height: auto;
}

.case-card {
  min-height: auto;
}

.case-card ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.case-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-3);
}

.card h3,
.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

.card p,
.service-card p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--muted);
}

.bg-light {
  background: transparent;
}

#services .container {
  position: relative;
}

#services .container::before {
  content: "";
  position: absolute;
  inset: -1.5rem -1.25rem -1.5rem -1.25rem;
  background: linear-gradient(180deg, #eef1f9 0%, #e5eaf5 100%);
  z-index: 0;
}

#services .container::after {
  content: "";
  position: absolute;
  left: -150px;
  top: -70px;
  width: 520px;
  height: 520px;
  background: url("https://cdn.victorious.com/spai/ret_img/victorious.com/wp-content/uploads/2023/08/waves-smoke.svg")
    no-repeat center/contain;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}

#services .container > .services-head,
#services .container > .services-frame {
  position: relative;
  z-index: 1;
}

.integrated-intro {
  text-align: center;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.integrated-intro h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(26px, 2.6vw, 42px);
  font-weight: 500;
  letter-spacing: 0;
  margin-bottom: 8px;
  color: var(--brand);
}

.integrated-intro p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.integrated-panel {
  border: 0;
  border-top: 2px solid var(--cta);
  border-radius: 2px;
  background: #f7f6f8;
  padding: 14px 28px 22px;
  position: relative;
  z-index: 1;
  width: 100%;
}

.integrated-panel h3 {
  text-align: center;
  margin-bottom: 16px;
  font-size: clamp(18px, 1.8vw, 30px);
  color: var(--brand);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 700;
}

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

.integrated-card {
  padding: 0 4px 2px;
}

.integrated-card h4 {
  margin: 0 0 8px;
  font-size: 14px;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--brand);
  font-weight: 700;
  position: relative;
  padding-top: 22px;
}

.integrated-card h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(30, 58, 138, 0.35);
  opacity: 0.9;
}

.integrated-card p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.6;
}

.integrated-card a {
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cta);
  font-weight: 600;
}

/* Rebuilt services module (similar framework) */
.services-showcase {
  background: linear-gradient(180deg, #eef1f9 0%, #e5eaf5 100%);
}

.services-showcase .container::before,
.services-showcase .container::after {
  display: none;
}

.services-head {
  text-align: center;
  margin-bottom: var(--space-5);
  /* 与下方 .services-frame 左右内边距一致，标题区与白色卡片在一条竖线上 */
  padding-inline: var(--space-5);
}

.services-head h2 {
  margin: 0 0 var(--space-2);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.625rem, 2.2vw + 0.75rem, 2.25rem);
  font-weight: 500;
  color: var(--brand);
  line-height: 1.25;
}

.services-head p {
  max-width: min(46rem, 100%);
  margin: 0 auto;
  font-size: 0.9375rem;
  line-height: 1.68;
  color: var(--muted);
}

.services-frame {
  background: var(--white);
  border-top: 2px solid var(--cta);
  padding: var(--space-4) var(--space-5) var(--space-5);
  box-shadow: 0 12px 40px rgba(30, 58, 138, 0.08);
}

.services-frame h3 {
  text-align: center;
  margin: 0 0 var(--space-4);
  font-size: clamp(1.125rem, 1.2vw + 0.85rem, 1.375rem);
  font-weight: 700;
  color: var(--brand);
  line-height: 1.35;
}

.services-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.services-columns .integrated-card {
  padding: 0;
}

.services-columns .integrated-card h4 {
  margin: 0 0 var(--space-2);
  padding-top: 0;
  font-size: 0.875rem;
  line-height: 1.35;
}

.services-columns .integrated-card h4::before {
  display: none;
}

.services-columns .integrated-card p {
  margin: 0 0 var(--space-3);
  font-size: 0.8125rem;
  line-height: 1.62;
}

.services-columns .integrated-card a {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}

.proof-strip {
  background: linear-gradient(180deg, #f8fafc 0%, #eef1f9 100%);
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}

.proof-title {
  text-align: center;
  font-size: clamp(1.75rem, 2.5vw + 0.75rem, 2.375rem);
  margin-bottom: var(--space-5);
  color: var(--brand);
  font-weight: 500;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0;
  line-height: 1.25;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: stretch;
}

.proof-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
}

/* 色块 + 奖章同一容器，避免网格拆行导致高度不齐 */
.proof-visual {
  position: relative;
  width: 100%;
  overflow: visible;
}

.proof-brand-wrap {
  background: var(--proof-bg, #cc2f2f);
  border-radius: 6px;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.proof-award {
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(3.25rem, 12vw, 4.25rem);
  height: clamp(3.25rem, 12vw, 4.25rem);
  object-fit: contain;
  z-index: 2;
  transform: translate(10%, -12%);
  pointer-events: none;
}

.proof-brand {
  width: min(78%, 240px);
  max-height: 5rem;
  object-fit: contain;
}

/* 底部成果文案：统一预留两行高度，三列底对齐 */
.proof-metric {
  margin: 0;
  flex: 0 0 auto;
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-wrap: balance;
  font-size: clamp(1.125rem, 1.2vw + 0.85rem, 1.625rem);
  line-height: 1.28;
  color: var(--brand);
  font-weight: 700;
  font-family: Georgia, "Times New Roman", serif;
}

/* 行业场景：比最初重深蓝略浅的色带，仍与整站主色统一、区块醒目 */
.section-industries {
  background: linear-gradient(
    155deg,
    #4a67b8 0%,
    #3d5a9e 32%,
    #345091 58%,
    #2a4580 100%
  );
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.section-industries h2 {
  margin-bottom: var(--space-3);
  color: var(--white);
}

.section-industries .lead {
  color: rgba(255, 255, 255, 0.88);
  max-width: min(42rem, 100%);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.section-industries .chip-list span {
  border-radius: 999px;
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: var(--white);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.section-industries .chip-list span:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(249, 115, 22, 0.75);
  box-shadow: 0 2px 10px rgba(249, 115, 22, 0.2);
}

.faq details {
  border-top: 1px solid var(--line);
  padding: var(--space-4) 0;
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--text);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq p {
  margin: var(--space-3) 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.68;
}

.cta {
  background: linear-gradient(
    165deg,
    #2563eb 0%,
    #1e4dd8 22%,
    #1e40af 48%,
    #1e3a8a 72%,
    #243a78 100%
  );
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      ellipse 85% 55% at 45% 18%,
      rgba(255, 255, 255, 0.22),
      rgba(255, 255, 255, 0) 58%
    ),
    radial-gradient(
      520px 320px at 92% 25%,
      rgba(255, 255, 255, 0.14),
      rgba(255, 255, 255, 0) 55%
    ),
    radial-gradient(
      480px 280px at 8% 88%,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0) 55%
    );
  pointer-events: none;
}

.cta .kicker {
  color: #fdba74;
}

.cta .cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  align-items: start;
  position: relative;
  z-index: 1;
}

.cta .cta-grid > div:first-child p,
.cta #ctaLead {
  font-size: 1rem;
  line-height: 1.65;
  opacity: 0.95;
  margin-top: var(--space-2);
}

.contact-form {
  background: var(--white);
  color: var(--text);
  border-radius: 1rem;
  padding: var(--space-5);
  display: grid;
  gap: var(--space-3);
  box-shadow: 0 12px 40px rgba(30, 58, 138, 0.15);
}

.contact-form label {
  font-size: 0.875rem;
  display: grid;
  gap: var(--space-1);
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

/* 与 CTA 同系的蓝渐变 + 高光，避免与上方断层、避免近黑底 */
.site-footer {
  background: linear-gradient(
    180deg,
    #243a78 0%,
    #223771 18%,
    #1e3a8a 45%,
    #1c3668 78%,
    #1a3260 100%
  );
  color: #cbd5e1;
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      ellipse 90% 50% at 50% 0%,
      rgba(255, 255, 255, 0.14),
      rgba(255, 255, 255, 0) 55%
    ),
    radial-gradient(
      420px 280px at 15% 70%,
      rgba(96, 165, 250, 0.12),
      rgba(96, 165, 250, 0) 60%
    ),
    radial-gradient(
      380px 240px at 88% 55%,
      rgba(255, 255, 255, 0.06),
      rgba(255, 255, 255, 0) 55%
    );
  pointer-events: none;
}

.site-footer .container,
.site-footer .copyright {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
}

.site-footer .logo-text {
  color: var(--white);
}

.site-footer .logo-mark {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.25);
}

.site-footer .logo-img {
  height: 34px;
  max-width: 130px;
}

.site-footer h4 {
  color: var(--white);
  margin-bottom: var(--space-3);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-footer a {
  display: block;
  color: #e2e8f0;
  margin: var(--space-2) 0;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: #fdba74;
}

.site-footer p {
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 20rem;
  color: #cbd5e1;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  margin-top: 0;
  padding: var(--space-4) var(--space-3);
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom, 0px));
  text-align: center;
  font-size: 0.8125rem;
  color: #94a3b8;
}

.narrow .lead {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.narrow > .kicker {
  display: table;
  margin-left: auto;
  margin-right: auto;
}

.narrow > h2 {
  text-align: center;
}

.narrow .three-cols,
.narrow #faqList {
  text-align: left;
}

/* 与全站 container 同宽；标题区仍居中，三列卡片与案例/服务栅格对齐 */
.section-method .container > .kicker {
  display: table;
  margin-left: auto;
  margin-right: auto;
}

.section-method .container > h2 {
  text-align: center;
}

.section-method .container > .lead {
  text-align: center;
  max-width: min(var(--content-max), 100%);
  margin-left: auto;
  margin-right: auto;
}

.section-method .three-cols {
  text-align: left;
  margin-top: var(--space-5);
}

/* 三卡图标统一为主色（同源 SVG 着色一致） */
#methodCards .card-icon {
  opacity: 0.95;
  filter: brightness(0) saturate(100%) invert(17%) sepia(58%) saturate(1800%) hue-rotate(210deg)
    brightness(0.92) contrast(1.05);
}

.cta h2 {
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.cta .kicker {
  margin-bottom: var(--space-2);
}

@media (max-width: 992px) {
  :root {
    --section-pad-y: clamp(2.75rem, 8vw, 4.25rem);
    --section-pad-y-tight: clamp(2rem, 6vw, 2.75rem);
  }

  body {
    background-attachment: scroll;
  }

  body.nav-open {
    overflow: hidden;
    touch-action: none;
  }

  .hero-grid,
  .three-cols,
  .proof-grid,
  .case-grid,
  .cta .cta-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .integrated-grid {
    grid-template-columns: 1fr 1fr;
  }

  .services-columns {
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid {
    gap: var(--space-4);
  }

  .hero-image img {
    min-height: min(16rem, 48vh);
    width: 100%;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .hero-stats div {
    min-width: 0;
    flex: 1 1 calc(50% - var(--space-2));
  }

  .hero-stats {
    gap: var(--space-2);
  }

  .services-head {
    padding-inline: var(--space-3);
  }

  .services-frame {
    padding: var(--space-4) var(--space-3) var(--space-4);
  }

  .proof-metric {
    min-height: 3.5rem;
    font-size: clamp(1rem, 3.5vw, 1.35rem);
  }

  .contact-form {
    padding: var(--space-4);
  }

  .section.cta {
    padding-bottom: calc(var(--section-pad-y) + env(safe-area-inset-bottom, 0px));
  }

  .page-sub .page-body {
    padding-bottom: calc(var(--section-pad-y) + env(safe-area-inset-bottom, 0px));
  }

  .footer-grid {
    gap: var(--space-4);
    text-align: center;
  }

  .site-footer .logo {
    justify-content: center;
  }

  .site-footer p {
    margin-left: auto;
    margin-right: auto;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: absolute;
    right: max(0.75rem, env(safe-area-inset-right, 0px));
    left: auto;
    top: calc(100% + 6px);
    width: min(18rem, calc(100vw - 1.5rem - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)));
    max-height: min(70vh, calc(100vh - 5.5rem));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: var(--space-2);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    z-index: 30;
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav a {
    padding: 12px 14px;
    border-radius: 10px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    font-size: 0.9375rem;
  }

  .main-nav a:hover {
    background: rgba(30, 58, 138, 0.06);
  }

  .main-nav a.btn,
  .main-nav a.btn-small {
    justify-content: center;
    margin-top: var(--space-2);
    min-height: 48px;
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .page-sub .page-hero {
    padding-top: calc(var(--section-pad-y-tight) + 1.25rem);
  }

  .page-sub .page-hero .container {
    width: min(920px, calc(100% - 1.25rem));
  }

  .page-sub .two-col-cards {
    grid-template-columns: 1fr;
  }

  .page-sub .page-cta .btn {
    width: 100%;
    max-width: 20rem;
    justify-content: center;
    min-height: 48px;
  }
}

@media (max-width: 640px) {
  .container,
  .narrow {
    width: min(
      1240px,
      calc(100% - 1.25rem - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px))
    );
  }

  .integrated-grid {
    grid-template-columns: 1fr;
  }

  .services-columns {
    grid-template-columns: 1fr;
  }

  .logo-text {
    font-size: clamp(0.9375rem, 4vw, 1.0625rem);
    max-width: 11rem;
    line-height: 1.25;
  }

  .logo-img {
    height: 32px;
    max-width: 120px;
  }

  .logo-mark {
    padding: 4px 8px;
  }

  .site-footer .logo-img {
    height: 30px;
    max-width: 110px;
  }

  h1 {
    font-size: clamp(1.75rem, 6.5vw + 0.5rem, 2.75rem);
  }

  h2 {
    font-size: clamp(1.45rem, 5vw + 0.5rem, 2.125rem);
  }

  .cookie-banner {
    font-size: 13px;
    line-height: 1.5;
    text-align: left;
    justify-content: flex-start;
  }

  .cookie-banner-inner {
    display: block;
    flex: 1 1 100%;
  }

  .faq summary {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: var(--space-2) 0;
    padding-right: var(--space-2);
  }

  .contact-form input,
  .contact-form textarea {
    font-size: 16px;
  }

  .services-columns .integrated-card a {
    font-size: 0.75rem;
    padding: 4px 0;
    display: inline-block;
  }

  .hero-stats div {
    flex: 1 1 100%;
  }

  .trust-logos {
    justify-content: center;
  }

  .section-industries .chip-list {
    justify-content: center;
  }

  .page-sub .prose {
    font-size: 1rem;
  }

  .page-sub .accent-band {
    padding: var(--space-3) var(--space-4);
  }
}

/* Cookie 条内链至隐私页 */
.cookie-banner-inner {
  margin: 0;
  display: inline;
}

.cookie-policy-link {
  color: #fdba74;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-policy-link:hover {
  color: #fff;
}

/* 内页：与首页同系，略作分区与强调色变化 */
.page-sub .page-hero {
  padding: calc(var(--section-pad-y-tight) + 2.5rem) 0 var(--section-pad-y-tight);
  background: linear-gradient(
    135deg,
    rgba(30, 58, 138, 0.09) 0%,
    rgba(255, 255, 255, 0.92) 42%,
    rgba(249, 115, 22, 0.06) 100%
  );
  border-bottom: 1px solid var(--line);
}

.page-sub .page-hero .container {
  max-width: min(920px, 92%);
}

.page-sub .page-hero h1 {
  margin-bottom: var(--space-3);
}

.page-sub .page-hero .lead {
  margin-bottom: 0;
  max-width: 38rem;
}

.page-sub .page-body {
  padding-top: var(--section-pad-y-tight);
  padding-bottom: var(--section-pad-y);
}

.page-sub .prose {
  max-width: min(42rem, 100%);
  margin: 0 auto;
  font-size: 1.02rem;
  color: var(--text);
}

.page-sub .prose h2 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: clamp(1.35rem, 1.5vw + 1rem, 1.65rem);
}

.page-sub .prose h2:first-child {
  margin-top: 0;
}

.page-sub .prose p,
.page-sub .prose li {
  color: #334155;
}

.page-sub .prose ul,
.page-sub .prose ol {
  padding-left: 1.35rem;
  margin: var(--space-3) 0;
}

.page-sub .prose a {
  color: var(--brand);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-sub .prose a:hover {
  color: var(--cta-dark);
}

.page-sub .accent-band {
  margin: var(--space-5) 0;
  padding: var(--space-4) var(--space-5);
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(30, 58, 138, 0.06);
}

.page-sub .two-col-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.page-sub .info-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: var(--space-4);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-sub .info-card:hover {
  border-color: rgba(30, 58, 138, 0.22);
  box-shadow: 0 12px 32px rgba(30, 58, 138, 0.08);
}

.page-sub .info-card h3 {
  margin: 0 0 var(--space-2);
  color: var(--brand);
}

.page-sub .info-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.page-sub .page-cta {
  padding: var(--section-pad-y-tight) 0;
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.06), rgba(249, 115, 22, 0.05));
  border-top: 1px solid var(--line);
  text-align: center;
}

.page-sub .page-cta .container {
  max-width: 36rem;
}

.page-sub .page-cta h2 {
  margin-bottom: var(--space-2);
}

.page-sub .page-cta p {
  color: var(--muted);
  margin-bottom: var(--space-4);
}

/* 各内页 hero 左侧色条微调 */
.page-sub--method .page-hero {
  border-left: 4px solid var(--brand);
}

.page-sub--services .page-hero {
  border-left: 4px solid var(--cta);
}

.page-sub--results .page-hero {
  border-left: 4px solid var(--brand);
}

.page-sub--industries .page-hero {
  border-left: 4px solid #0ea5e9;
}

.page-sub--learn .page-hero {
  border-left: 4px solid #8b5cf6;
}

.page-sub--about .page-hero {
  border-left: 4px solid var(--cta);
}

.page-sub--cases .page-hero {
  border-left: 4px solid var(--brand);
}

.page-sub--reviews .page-hero {
  border-left: 4px solid #0ea5e9;
}

.page-sub--contact .page-hero {
  border-left: 4px solid var(--cta);
}

.page-sub--service .page-hero {
  border-left: 4px solid var(--brand);
}

.page-sub--blog .page-hero {
  border-left: 4px solid #8b5cf6;
}

.page-sub--guide .page-hero {
  border-left: 4px solid #059669;
}

.page-sub--legal .page-hero {
  border-left: 4px solid #64748b;
}

.page-sub .blog-list {
  max-width: min(48rem, 100%);
  margin: 0 auto;
  display: grid;
  gap: var(--space-4);
}

.page-sub .blog-item {
  display: block;
  padding: var(--space-4);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: 0.2s ease;
}

.page-sub .blog-item:hover {
  border-color: rgba(30, 58, 138, 0.2);
  box-shadow: 0 10px 28px rgba(30, 58, 138, 0.07);
}

.page-sub .blog-item time {
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-sub .blog-item h2 {
  margin: var(--space-2) 0;
  font-size: 1.25rem;
}

.page-sub .blog-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.page-sub .guide-toc {
  max-width: min(42rem, 100%);
  margin: 0 auto var(--space-5);
  padding: var(--space-4);
  background: var(--light);
  border-radius: 12px;
  border: 1px solid var(--line);
}

.page-sub .guide-toc strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--brand);
}

.page-sub .guide-toc a {
  display: block;
  padding: 4px 0;
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
}

.page-sub .guide-toc a:hover {
  color: var(--brand);
}

/* 行业页标签（浅色背景上的 chip） */
.page-sub--industries .nav-industry-chips span {
  border-radius: 999px;
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--brand);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-sub--industries .nav-industry-chips span:hover {
  border-color: rgba(249, 115, 22, 0.55);
  box-shadow: 0 2px 10px rgba(249, 115, 22, 0.12);
}