:root {
  --ink: #17202a;
  --soft-ink: #52616d;
  --paper: #ffffff;
  --mist: #f4f7f8;
  --line: #d9e0e4;
  --teal: #08756f;
  --teal-dark: #064f4d;
  --blue: #1f5f99;
  --gold: #c58b1b;
  --red: #9f3b32;
  --shadow: 0 18px 45px rgba(20, 32, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.7;
  background: var(--paper);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  min-width: 245px;
}

.brand-logo {
  display: block;
  width: 118px;
  height: auto;
  max-height: 46px;
  object-fit: contain;
  padding-right: 14px;
  border-right: 1px solid var(--line);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: #132534;
  font-size: 17px;
  line-height: 1.15;
  letter-spacing: 0;
}

.brand small {
  color: var(--soft-ink);
  font-size: 12px;
  line-height: 1.45;
  white-space: nowrap;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 15px;
}

.nav a {
  color: var(--soft-ink);
}

.nav a:hover,
.nav a.active {
  color: var(--teal);
}

.header-cta,
.button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--teal);
  font-weight: 800;
}

.header-cta,
.button {
  color: #fff;
  background: var(--teal);
}

.ghost-button {
  color: var(--teal);
  background: #fff;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 21px;
}

.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}

.hero img,
.hero::after {
  position: absolute;
  inset: 0;
  width: calc(50% + 50%);
  height: calc(50% + 50%);
}

.hero img {
  object-fit: cover;
}

.hero::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(8, 24, 36, 0.88), rgba(8, 24, 36, 0.44) 60%, rgba(8, 24, 36, 0.2)),
    linear-gradient(0deg, rgba(8, 24, 36, 0.78), transparent 52%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 90px 0 68px;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 46px;
  align-items: end;
}

.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 900;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  font-size: clamp(38px, 6vw, 70px);
}

h2 {
  font-size: clamp(28px, 3.2vw, 42px);
}

h3 {
  font-size: 22px;
}

p {
  margin: 0;
}

.hero-copy {
  max-width: 720px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 21px);
}

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

.screening-panel {
  padding: 28px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-top: 5px solid var(--gold);
  box-shadow: var(--shadow);
}

.screening-panel h2 {
  color: var(--teal-dark);
  font-size: 26px;
}

.screening-panel ul {
  display: grid;
  gap: 11px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}

.screening-panel li {
  position: relative;
  padding-left: 20px;
  color: var(--soft-ink);
  font-size: 15px;
}

.screening-panel li::before {
  position: absolute;
  left: 0;
  color: var(--teal);
  content: "✓";
  font-weight: 900;
}

.panel-label {
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.panel-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 16px;
  color: #fff;
  background: var(--teal);
  font-weight: 900;
}

.metric-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 960px;
  margin-top: 48px;
  background: rgba(255, 255, 255, 0.23);
}

.metric-grid span {
  min-height: 86px;
  padding: 18px;
  background: rgba(8, 24, 36, 0.54);
}

.metric-grid strong {
  display: block;
  font-size: 27px;
  line-height: 1.1;
}

.page-hero {
  padding: 72px 0;
  color: #fff;
  background: var(--teal-dark);
}

.page-hero .container {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 54px;
  align-items: end;
}

.page-hero p:last-child {
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.container {
  width: min(1180px, calc(100vw - 36px));
  margin: 0 auto;
}

.section {
  padding: 78px 0;
}

.muted {
  background: var(--mist);
}

.proof-strip {
  padding: 0;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-left: 1px solid var(--line);
}

.proof-grid article {
  min-height: 150px;
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}

.proof-grid h3 {
  color: var(--teal-dark);
  font-size: 20px;
}

.proof-grid p {
  margin-top: 10px;
  color: var(--soft-ink);
  font-size: 15px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}

.heading {
  margin-bottom: 32px;
}

.heading p {
  max-width: 740px;
  margin-top: 14px;
  color: var(--soft-ink);
  font-size: 18px;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 18px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  display: grid;
  min-height: 260px;
  align-content: start;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.feature-card span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.feature-card p {
  color: var(--soft-ink);
}

.feature-card a {
  align-self: end;
  color: var(--teal);
  font-weight: 900;
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.scenario-list article {
  min-height: 170px;
  padding: 28px;
  background: #fff;
}

.scenario-list h3 {
  color: var(--teal-dark);
}

.scenario-list p {
  margin-top: 12px;
  color: var(--soft-ink);
}

.card,
.note,
.step,
.faq-item {
  border: 1px solid var(--line);
  background: #fff;
}

.card {
  min-height: 220px;
  padding: 26px;
}

.card .num {
  color: var(--teal);
  font-weight: 900;
}

.card h3 {
  margin: 14px 0 10px;
}

.card p,
.note p,
.step p,
.faq-item p,
.article-body p,
.article-body li {
  color: var(--soft-ink);
}

.note {
  padding: 24px;
  border-left: 4px solid var(--gold);
}

.risk {
  color: #fff;
  background: #263139;
}

.risk .card {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.risk .card p {
  color: rgba(255, 255, 255, 0.78);
}

.step {
  padding: 24px;
  border-top: 4px solid var(--teal);
  box-shadow: 0 10px 30px rgba(20, 32, 42, 0.08);
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  color: #fff;
  background: var(--blue);
  font-weight: 900;
}

.list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  padding: 16px 18px;
  border-left: 4px solid var(--teal);
  background: var(--mist);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #fff;
}

table {
  width: calc(50% + 50%);
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--teal-dark);
  background: #e8f2f0;
}

.table-note {
  margin-top: 14px;
  color: var(--soft-ink);
  font-size: 14px;
}

.faq-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: start;
}

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

details {
  border: 1px solid var(--line);
  background: #fff;
}

summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 900;
}

details p {
  padding: 0 22px 22px;
  color: var(--soft-ink);
}

.breadcrumb {
  padding: 16px 0;
  color: var(--soft-ink);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--teal);
}

.article-body {
  max-width: 880px;
}

.intro-page {
  max-width: 1080px;
}

.article-body h2 {
  margin-top: 72px;
  margin-bottom: 18px;
  font-size: 30px;
}

.article-body p,
.article-body ul,
.article-body table {
  margin-top: 20px;
}

.article-body ul {
  padding-left: 22px;
}

.intro-duo {
  display: grid;
  grid-template-columns: minmax(280px, calc(30% - 14px)) minmax(0, calc(70% - 14px));
  gap: 28px;
  align-items: stretch;
  margin-bottom: 76px;
}

.core-problem-panel,
.intro-summary {
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}

.core-problem-panel {
  display: grid;
  align-content: start;
  min-height: 472px;
}

.core-problem-panel h2 {
  margin-top: 0;
  max-width: 860px;
  font-size: 36px;
  line-height: 1.22;
}

.core-problem-panel > p:not(.kicker) {
  max-width: 920px;
  font-size: 18px;
  line-height: 1.8;
}

.core-problem-panel ul {
  margin: 10px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 16px;
  line-height: 1.65;
}

.intro-list-block {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 4px solid var(--teal);
  background: var(--mist);
}

.intro-list-block strong {
  display: block;
  color: #071b2d;
  font-size: 17px;
}

.intro-summary {
  display: grid;
  grid-template-columns: minmax(190px, 0.75fr) minmax(0, 1.7fr);
  gap: 20px;
  align-items: stretch;
}

.intro-summary.fact-stack {
  display: grid;
  padding: 0;
  overflow: hidden;
  border-color: #203d5c;
  background: #102c49;
  box-shadow: 0 18px 45px rgba(16, 44, 73, 0.18);
  align-self: stretch;
}

.intro-summary h2 {
  margin-top: 0;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.fact-stack .fact-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(4, minmax(132px, 1fr));
  gap: 0;
  min-height: inherit;
}

.fact-card {
  min-height: 162px;
  padding: 16px;
  border: 1px solid #d8e6e7;
  border-left: 4px solid var(--teal);
  background: var(--mist);
}

.fact-stack .fact-card {
  min-height: 0;
  padding: 24px 26px;
  color: #fff;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
  background: transparent;
  display: grid;
  align-content: center;
}

.fact-stack .fact-card:last-child {
  border-bottom: 0;
}

.fact-card span,
.path-step span,
.process-node span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.fact-stack .fact-card span {
  color: #d8a33d;
}

.fact-card strong {
  display: block;
  margin: 8px 0;
  color: #071b2d;
  font-size: 22px;
  line-height: 1.25;
}

.fact-stack .fact-card strong {
  color: #fff;
  font-size: 28px;
  line-height: 1.18;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.18);
}

.fact-card p {
  margin-top: 0;
  font-size: 15px;
}

.fact-stack .fact-card p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
}

.source-panel {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: var(--mist);
}

.source-panel strong {
  color: #071b2d;
}

.source-panel a {
  color: var(--teal);
  font-weight: 800;
}

.pilot-panel {
  display: grid;
  gap: 22px;
  margin-top: 24px;
  margin-bottom: 76px;
}

.pilot-lead {
  padding: 22px 24px;
  border: 1px solid #cfe1e2;
  border-left: 4px solid var(--teal);
  background: #f4f9f8;
}

.pilot-lead strong {
  display: block;
  color: #071b2d;
  font-size: 20px;
}

.pilot-lead p {
  margin: 8px 0 12px;
}

.pilot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.pilot-grid div {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: #fff;
}

.pilot-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--teal);
  font-weight: 900;
}

.pilot-grid p {
  margin: 0;
  color: var(--soft-ink);
  line-height: 1.75;
}

.service-overview {
  display: grid;
  gap: 30px;
}

.process-page {
  display: grid;
  gap: 26px;
}

.process-map-wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-map-wide .process-node:nth-child(3n)::after {
  display: block;
}

.process-map-wide .process-node:nth-child(4n)::after,
.process-map-wide .process-node:last-child::after {
  display: none;
}

.tools-page {
  display: grid;
  gap: 30px;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.checklist-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  background: #fff;
}

.checklist-card h3 {
  margin: 0 0 14px;
  color: #071b2d;
  font-size: 22px;
}

.checklist-card ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 20px;
}

.template-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  background: #fff;
}

.template-box p {
  margin: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #071b2d;
  font-weight: 800;
}

.template-box p:nth-child(2n) {
  border-right: 0;
}

.template-box p:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.decision-path {
  display: grid;
  grid-template-columns: repeat(7, minmax(128px, 1fr));
  gap: 12px;
  margin-top: 26px;
  margin-bottom: 76px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.path-step {
  min-height: 210px;
  padding: 18px;
  border: 1px solid #d8e6e7;
  background: #fff;
}

.path-step h3,
.process-node h3 {
  margin: 10px 0 8px;
  color: #071b2d;
  font-size: 18px;
}

.path-step p,
.process-node p {
  margin-top: 0;
  font-size: 15px;
}

.process-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
  margin-bottom: 76px;
}

.process-node {
  position: relative;
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
}

.process-node::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -10px;
  width: 18px;
  height: 2px;
  background: var(--teal);
}

.process-node:nth-child(3n)::after,
.process-node:last-child::after {
  display: none;
}

.article-cta {
  margin-top: 48px;
  padding: 30px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  background: var(--mist);
}

.article-cta h2 {
  font-size: 28px;
}

.article-cta p {
  margin: 12px 0 20px;
  color: var(--soft-ink);
}

.faq-page-layout {
  display: grid;
  gap: 52px;
}

.faq-page-layout > .heading {
  max-width: 820px;
  margin-bottom: -18px;
}

.question-category {
  display: grid;
  gap: 20px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.question-category-head {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: 22px;
  align-items: end;
}

.question-category-head h2 {
  margin: 0;
  color: #071b2d;
  font-size: 28px;
}

.question-category-head p:last-child {
  margin: 0;
  color: var(--soft-ink);
  line-height: 1.75;
}

.article-bank-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.article-bank-card {
  min-height: 220px;
  padding: 20px;
  border: 1px solid var(--line);
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.article-bank-card:hover {
  transform: translateY(-3px);
  border-color: #9fc7c4;
  box-shadow: 0 18px 38px rgba(9, 36, 45, 0.08);
}

.article-bank-card span {
  display: block;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
}

.article-bank-card h3 {
  margin: 0;
  color: #071b2d;
  font-size: 19px;
  line-height: 1.35;
}

.article-bank-card p {
  margin: 14px 0 0;
  color: var(--soft-ink);
  font-size: 15px;
  line-height: 1.72;
}

.contact-main {
  background: #f6f8fb;
}

.contact-hero-panel {
  padding: 150px 0 78px;
  background: #f6f8fb;
}

.contact-card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 0.95fr);
  gap: 26px;
  align-items: stretch;
}

.consult-card,
.wechat-consult-card {
  min-height: 600px;
  padding: 40px;
  border: 1px solid #d8e1e7;
  background: #fff;
  border-radius: 8px;
}

.consult-card h1,
.wechat-consult-card h2 {
  color: #071b2d;
  font-size: 32px;
  line-height: 1.22;
}

.contact-lines {
  display: grid;
  gap: 14px;
  margin: 24px 0;
  color: #071b2d;
  font-size: 18px;
}

.contact-lines a {
  color: #0c55bf;
  font-weight: 900;
}

.consult-desc {
  max-width: 720px;
  color: var(--soft-ink);
  font-size: 17px;
}

.contact-actions {
  margin-top: 28px;
}

.contact-actions .button {
  border-color: #f27935;
  background: #f27935;
  box-shadow: 0 14px 34px rgba(242, 121, 53, 0.25);
}

.contact-actions .ghost-button {
  border-color: #b8d2f4;
  color: #0c55bf;
}

.wechat-consult-card {
  display: grid;
  align-content: start;
  gap: 20px;
}

.qr-frame {
  display: grid;
  place-items: center;
  padding: 26px;
  border: 1px solid #d8e1e7;
  background: #fff;
  border-radius: 8px;
}

.qr-frame img {
  display: block;
  width: min(250px, calc(50% + 50%));
  height: auto;
  object-fit: contain;
}

.wechat-consult-card p {
  color: var(--soft-ink);
  font-size: 17px;
}

.contact-list {
  margin-top: 0;
}

.contact-band {
  padding: 68px 0;
  color: #fff;
  background: var(--teal-dark);
}

.contact-box {
  display: grid;
  gap: 10px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

.compact-contact {
  align-content: start;
}

.record-line {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-box a,
.contact-box span,
.contact-band p {
  color: rgba(255, 255, 255, 0.84);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 26px;
  padding: 24px 18px;
  color: #aeb7bd;
  background: #111820;
  font-size: 13px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
    justify-self: end;
  }

  .site-header.nav-open .nav {
    display: grid;
    grid-column: 1 / -1;
    justify-content: stretch;
    gap: 0;
  }

  .site-header.nav-open .nav a {
    padding: 12px 0;
    border-top: 1px solid var(--line);
  }

  .page-hero .container,
  .split,
  .hero-layout,
  .contact-card-grid,
  .intro-duo,
  .intro-summary,
  .faq-preview,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .metric-grid,
  .proof-grid,
  .pilot-grid,
  .article-bank-grid,
  .checklist-grid,
  .process-map-wide,
  .fact-grid,
  .process-map,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-node:nth-child(3n)::after {
    display: block;
  }

  .process-node:nth-child(2n)::after,
  .process-node:last-child::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
    padding: 10px 16px;
  }

  .brand {
    min-width: 0;
    gap: 10px;
  }

  .brand-logo {
    width: 98px;
    max-height: 38px;
    padding-right: 10px;
  }

  .brand strong {
    font-size: 15px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 980px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  h1 {
    font-size: 38px;
  }

  .screening-panel {
    padding: 22px;
  }

  .metric-grid {
    margin-top: 8px;
  }

  .page-hero .container,
  .split,
  .contact-card-grid,
  .metric-grid,
  .proof-grid,
  .scenario-list,
  .faq-preview,
  .intro-duo,
  .intro-summary,
  .pilot-grid,
  .question-category-head,
  .article-bank-grid,
  .checklist-grid,
  .template-box,
  .process-map-wide,
  .fact-grid,
  .process-map,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .consult-card,
  .wechat-consult-card {
    min-height: 0;
    padding: 24px;
  }

  .contact-hero-panel {
    padding: 72px 0 42px;
  }

  .contact-lines {
    font-size: 16px;
  }

  .qr-frame {
    padding: 18px;
  }

  .qr-frame img {
    width: min(210px, calc(50% + 50%));
  }

  .decision-path {
    grid-template-columns: 1fr;
    overflow-x: visible;
  }

  .path-step,
  .process-node,
  .fact-card {
    min-height: 0;
  }

  .process-node::after {
    display: none;
  }

  .actions a {
    width: calc(50% + 50%);
  }

  .section,
  .page-hero,
  .contact-band {
    padding: 54px 0;
  }
}