@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("assets/inter-latin.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --ink: #142235;
  --muted: #5d6c7c;
  --paper: #f4f7f8;
  --surface: #ffffff;
  --line: #d9e3e8;
  --blue: #195b8f;
  --blue-dark: #103c66;
  --green: #3c7f72;
  --gold: #8c6318;
  --charcoal: #122236;
  --shadow: 0 22px 56px rgba(20, 34, 53, 0.13);
  --max: 1160px;
  --gutter: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

[id] {
  scroll-margin-top: 108px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  color: #ffffff;
  background: var(--blue);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

img {
  max-width: 100%;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 16px;
  left: 50%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  width: min(calc(100% - 32px), var(--max));
  min-height: 64px;
  padding: 8px;
  border: 1px solid rgba(217, 227, 232, 0.92);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 46px rgba(11, 24, 39, 0.14);
  backdrop-filter: blur(14px);
  transform: translateX(-50%);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  padding: 0 12px 0 0;
  border-radius: 0;
  background: transparent;
}

.brand-logo {
  display: block;
  width: clamp(220px, 23vw, 286px);
  height: 48px;
  object-fit: contain;
  object-position: left center;
}

.main-nav {
  display: inline-flex;
  justify-self: center;
  gap: 4px;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 6px;
  color: var(--ink);
  font-size: 0.92rem;
}

.main-nav a span {
  color: var(--muted);
  font-size: 0.76rem;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[aria-current="page"] {
  color: var(--blue);
  background: #edf4f7;}

.main-nav a.language-switch {
  border: 1px solid var(--line);
  color: var(--blue);
  background: #ffffff;
  font-weight: 850;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #f8fbfc;
  font-weight: 760;
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 780;
}

.header-action {
  padding: 0 14px;
  color: #ffffff;
  background: var(--blue);
}

svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke-width: 2.15;
}

.hero,
.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(9, 28, 48, 0.9), rgba(20, 68, 100, 0.54), rgba(9, 28, 48, 0.78)),
    url("assets/hero-home.jpg")
      center / cover no-repeat;
}

.home-hero {
  min-height: clamp(560px, 78svh, 720px);
  background-image:
    linear-gradient(90deg, rgba(9, 28, 48, 0.9), rgba(20, 68, 100, 0.54), rgba(9, 28, 48, 0.78)),
    url("assets/hero-video-poster.jpg");
}

.page-hero {
  min-height: 460px;
  background-image:
    linear-gradient(90deg, rgba(9, 28, 48, 0.92), rgba(22, 74, 96, 0.56), rgba(9, 28, 48, 0.78)),
    url("assets/hero-services.jpg");
}

.about-hero {
  background-image:
    linear-gradient(90deg, rgba(9, 28, 48, 0.9), rgba(31, 94, 101, 0.52), rgba(9, 28, 48, 0.78)),
    url("assets/hero-about.jpg");
}

.insights-hero {
  background-image:
    linear-gradient(90deg, rgba(9, 28, 48, 0.9), rgba(64, 82, 87, 0.45), rgba(9, 28, 48, 0.78)),
    url("assets/hero-insights.jpg");
}

.hero-content,
.page-hero > div {
  position: relative;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 136px 0 74px;
  z-index: 2;
}

.page-hero > div {
  padding-bottom: 68px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow,
.page-hero .eyebrow {
  color: #a8dce6;
}

h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(2.9rem, 5.2vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.page-hero h1 {
  max-width: 920px;
  font-size: clamp(2.45rem, 5vw, 4.65rem);
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.18rem);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.28;
}

.hero-subtitle,
.english-line {
  max-width: 760px;
}

.hero-subtitle {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
}

.english-line {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1rem;
}

.split-copy .english-line,
.article .english-line {
  color: var(--green);
  font-weight: 650;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  padding: 0 18px;
}

.button-primary {
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 14px 30px rgba(16, 60, 102, 0.26);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--blue-dark);}

.button-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.button-outline {
  width: fit-content;
  color: var(--blue);
  border-color: #b9cbd5;
  background: #ffffff;
}

.button-outline:hover,
.button-outline:focus-visible {
  border-color: var(--blue);}

.proof-band {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(calc(100% - 40px), var(--max));
  margin: 24px auto 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.proof-band::before {
  position: absolute;
  top: -1px;
  right: -1px;
  left: -1px;
  height: 3px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--gold));
  content: "";
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 86px;
  padding: 18px;
  font-weight: 760;
}

.proof-item + .proof-item {
  border-left: 1px solid var(--line);
}

.proof-item svg {
  color: var(--blue);
}

.proof-item small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.section {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 86px 0;
}

.section-tinted {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100% - var(--max)) / 2));
  padding-left: max(20px, calc((100% - var(--max)) / 2));
  background: #eaf2f2;
}

.compact-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 0.8fr);
  gap: 52px;
  align-items: center;
  padding: 74px 0;
}

.compact-intro p:not(.section-kicker) {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(260px, 0.55fr);
  align-items: end;
  gap: 40px;
  width: min(100%, var(--max));
  margin: 0 auto 34px;
}

.section-lead {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.service-grid,
.service-detail-grid,
.scope-grid,
.process-grid,
.credential-layout,
.value-grid,
.post-grid,
.faq-list {
  display: grid;
  gap: 18px;
  width: min(100%, var(--max));
  margin: 0 auto;
}

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

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

.process-grid,
.credential-layout,
.value-grid,
.post-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.detail-card,
.scope-grid article,
.process-grid article,
.credential-card,
.value-grid article,
.post-card,
.faq-list details {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.service-card,
.detail-card,
.scope-grid article,
.credential-card,
.value-grid article {
  padding: 26px;
}

.service-card,
.post-card,
.detail-card {
  transition:
    border-color 170ms ease,
    box-shadow 170ms ease,
    transform 170ms ease;
}

.service-card:hover,
.post-card:hover,
.detail-card:hover {
  border-color: rgba(25, 91, 143, 0.34);
  box-shadow: 0 16px 34px rgba(20, 34, 53, 0.08);
  transform: translateY(-2px);
}

.service-card svg,
.detail-card svg,
.scope-grid svg,
.credential-card svg,
.value-grid svg {
  display: block;
  width: 32px;
  height: 32px;
  margin-bottom: 28px;
  color: var(--blue);
}

.service-card p,
.detail-card p,
.scope-grid p,
.process-grid p,
.credential-card p,
.value-grid p,
.post-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.service-card span,
.detail-card small,
.post-card small,
.article-meta {
  display: block;
  margin-top: 20px;
  color: var(--green);
  font-size: 0.84rem;
  font-weight: 760;
}

.section-action {
  width: min(100%, var(--max));
  margin: 28px auto 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 820;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--blue-dark);}

.split-section {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.portrait-panel {
  overflow: hidden;
  min-height: 470px;
  border-radius: 8px;
  background: var(--blue-dark);
  box-shadow: var(--shadow);
}

.portrait-panel-large {
  min-height: 560px;
}

.portrait-panel img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
}

.split-copy p:not(.section-kicker) {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.tick-list {
  display: grid;
  gap: 12px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.tick-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink);
  font-weight: 690;
}

.tick-list svg {
  margin-top: 3px;
  color: var(--green);
}

.process-grid article {
  min-height: 220px;
  padding: 26px;
}

.process-grid span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 32px;
  border: 1px solid #c7d9df;
  border-radius: 8px;
  color: var(--blue);
  background: #f8fbfc;
  font-weight: 900;
}

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

.credential-card {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
}

.credential-card svg {
  grid-row: span 2;
  margin: 0;
}

.post-card a {
  display: block;
  min-height: 220px;
  padding: 22px;
}

.post-category {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 880;
}

.post-grid-large .post-card a {
  min-height: 235px;
}

.post-card-featured {
  grid-column: span 2;
  border-color: rgba(25, 91, 143, 0.28);
  background:
    linear-gradient(135deg, rgba(25, 91, 143, 0.08), rgba(60, 127, 114, 0.08)),
    var(--surface);
}

.post-card-featured a {
  min-height: 235px;
}

.post-card-featured h3 {
  max-width: 720px;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.media-card {
  min-width: 0;
}

.media-card a {
  display: block;
}

.media-card img {
  display: block;
  width: 100%;
  height: clamp(230px, 24vw, 320px);
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 18px 34px rgba(20, 34, 53, 0.1);
}

.media-card div {
  padding: 24px 6px 0;
  text-align: center;
}

.media-card span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.media-card h3 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.08;
}

.media-card p {
  max-width: 330px;
  margin: 12px auto 0;
  color: var(--muted);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: min(100%, var(--max));
  margin: -8px auto 28px;
}

.filter-bar button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #ffffff;
  font-weight: 760;
}

.filter-bar button.is-active,
.filter-bar button:hover,
.filter-bar button:focus-visible {
  color: #ffffff;
  border-color: var(--blue);
  background: var(--blue);}

.editorial-note {
  display: grid;
  grid-template-columns: minmax(240px, 0.5fr) minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}

.faq-section {
  padding-top: 34px;
}

.faq-list {
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 920px;
}

.faq-list details {
  overflow: hidden;
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  padding: 18px 22px;
  font-weight: 820;
  list-style: none;
  cursor: pointer;
}

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

.faq-list summary::after {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--blue);
  content: "+";
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.62fr);
  gap: 44px;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto 82px;
  padding: 48px;
  border-radius: 8px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(14, 53, 85, 0.97), rgba(18, 34, 54, 0.95)),
    url("assets/hero-home.jpg")
      center / cover no-repeat;
  box-shadow: var(--shadow);
}

.contact-copy h2,
.contact-copy p {
  color: #ffffff;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-methods {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.contact-methods a,
.contact-methods button {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  width: 100%;
  padding: 0;
  border: 0;
  color: rgba(255, 255, 255, 0.93);
  background: transparent;
  text-align: left;
}

.contact-methods svg {
  color: #a8dce6;
}

.wechat-card {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  align-self: center;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(14px);
}

.wechat-card img {
  display: block;
  width: 136px;
  height: 136px;
  padding: 8px;
  border-radius: 8px;
  background: #ffffff;
  object-fit: contain;
}

.wechat-card strong,
.wechat-card span,
.wechat-card small {
  display: block;
}

.wechat-card strong {
  color: #ffffff;
  font-size: 1.08rem;
}

.wechat-card span {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.84);
}

.wechat-card small {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
}

.article {
  width: min(calc(100% - 40px), 820px);
  margin: 0 auto;
  padding: 142px 0 72px;
}

.article h1 {
  color: var(--ink);
  font-size: clamp(2.25rem, 5vw, 4.2rem);
}

.article-summary {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.18rem;
}

.article-meta {
  margin: 22px 0 48px;
}

.article-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -18px 0 44px;
}

.article-toc a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--blue);
  background: #ffffff;
  font-size: 0.92rem;
  font-weight: 780;
}

.article-toc a:hover,
.article-toc a:focus-visible {
  border-color: var(--blue);}

.article section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.article h2 {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
}

.article p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.article-figure {
  overflow: hidden;
  margin: 34px 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.article-figure img {
  display: block;
  width: 100%;
  max-height: 430px;
  object-fit: cover;
}

.article-figure figcaption {
  padding: 12px 16px;
  color: var(--muted);
  font-size: 0.88rem;
}

.source-block {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.source-block ul {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.source-block a,
.source-link {
  color: var(--blue);
  font-weight: 780;
}

.video-frame {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  margin: 30px 0 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #081827;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  color: var(--blue);
  font-weight: 820;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 32px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  max-width: min(360px, calc(100vw - 40px));
  padding: 13px 16px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--charcoal);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.mobile-cta {
  display: none;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-hero .hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(9, 28, 48, 0.9), rgba(20, 68, 100, 0.54), rgba(9, 28, 48, 0.78));
}

.qr-cards {
  display: grid;
  gap: 16px;
  align-self: center;
}

.whatsapp-card:hover,
.whatsapp-card:focus-visible {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.16);
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
    gap: 8px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .header-action {
    display: none;
  }

  .site-header.is-menu-open .main-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
  }

  .site-header.is-menu-open .main-nav a {
    justify-content: center;
  }

  .proof-band,
  .service-grid,
  .service-detail-grid,
  .scope-grid,
  .process-grid,
  .post-grid,
  .media-grid,
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading,
  .compact-intro,
  .split-section,
  .editorial-note,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .proof-item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .proof-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  :root {
    --gutter: 14px;
  }

  [id] {
    scroll-margin-top: 86px;
  }

  body {
    padding-bottom: calc(78px + env(safe-area-inset-bottom));
  }

  .site-header {
    top: max(8px, env(safe-area-inset-top));
    right: var(--gutter);
    left: var(--gutter);
    display: flex;
    gap: 8px;
    justify-content: space-between;
    width: auto;
    min-height: 58px;
    padding: 7px;
    transform: none;
  }

  .brand {
    flex: 1 1 auto;
    overflow: hidden;
    max-width: calc(100% - 88px);
    padding: 0 8px 0 0;
  }

  .brand-logo {
    width: min(242px, 100%);
    height: 44px;
  }

  .menu-toggle {
    flex: 0 0 auto;
    min-width: 76px;
    min-height: 44px;
    padding: 0 12px;
  }

  .site-header.is-menu-open .main-nav {
    grid-template-columns: 1fr;
    max-height: calc(100svh - 92px);
    overflow-y: auto;
  }

  .site-header.is-menu-open .main-nav a {
    min-height: 44px;
  }

  .home-hero,
  .page-hero {
    min-height: auto;
    background-position: 62% center;
  }

  .hero-content,
  .page-hero > div {
    width: min(calc(100% - (var(--gutter) * 2)), var(--max));
    padding: clamp(118px, 18svh, 146px) 0 46px;
  }

  h1,
  .page-hero h1 {
    max-width: 100%;
    font-size: clamp(2.3rem, 12vw, 3.25rem);
    line-height: 1.05;
  }

  h2 {
    font-size: clamp(1.75rem, 8vw, 2.38rem);
  }

  .hero-subtitle,
  .english-line,
  .section-lead,
  .compact-intro p:not(.section-kicker),
  .split-copy p:not(.section-kicker) {
    font-size: 1rem;
    line-height: 1.68;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .button {
    width: 100%;
    min-height: 48px;
  }

  .proof-band,
  .service-grid,
  .service-detail-grid,
  .scope-grid,
  .process-grid,
  .credential-layout,
  .value-grid,
  .media-grid,
  .post-grid {
    grid-template-columns: 1fr;
  }

  .proof-band,
  .section,
  .contact-section,
  .site-footer,
  .article {
    width: min(calc(100% - (var(--gutter) * 2)), var(--max));
  }

  .proof-band {
    margin-top: 14px;
  }

  .proof-item {
    min-height: 64px;
    padding: 14px;
  }

  .proof-item + .proof-item,
  .proof-item:nth-child(3),
  .proof-item:nth-child(4) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .section,
  .section-tinted {
    padding: 56px var(--gutter);
  }

  .section {
    width: 100%;
  }

  .section-heading {
    display: block;
  }

  .section-lead {
    margin-top: 12px;
  }

  .service-grid,
  .service-detail-grid,
  .scope-grid,
  .process-grid,
  .credential-layout,
  .value-grid,
  .media-grid,
  .post-grid,
  .faq-list {
    gap: 12px;
  }

  .media-card div {
    padding: 18px 2px 8px;
    text-align: left;
  }

  .media-card p {
    max-width: none;
    margin-right: 0;
    margin-left: 0;
  }

  .service-card,
  .detail-card,
  .scope-grid article,
  .process-grid article,
  .credential-card,
  .value-grid article,
  .post-card a {
    min-height: 0;
    padding: 20px;
  }

  .post-card-featured {
    grid-column: span 1;
  }

  .service-card svg,
  .detail-card svg,
  .scope-grid svg,
  .credential-card svg,
  .value-grid svg {
    margin-bottom: 20px;
  }

  .split-section {
    gap: 28px;
  }

  .portrait-panel,
  .portrait-panel-large {
    height: min(430px, 112vw);
    min-height: 0;
  }

  .credential-card {
    grid-template-columns: 1fr;
  }

  .credential-card svg {
    margin-bottom: 18px;
  }

  .process-grid span {
    margin-bottom: 22px;
  }

  .filter-bar {
    gap: 8px;
    margin-bottom: 18px;
  }

  .filter-bar button {
    flex: 1 1 auto;
  }

  .faq-list summary {
    min-height: 62px;
    padding: 18px 20px;
  }

  .faq-list p {
    padding: 0 20px 20px;
  }

  .contact-section {
    gap: 24px;
    margin-bottom: 58px;
    padding: 26px 16px;
  }

  .wechat-card {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
  }

  .wechat-card img {
    width: 104px;
    height: 104px;
  }

  .contact-methods span {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .article {
    padding: 120px 0 48px;
  }

  .article h1 {
    font-size: clamp(2rem, 10vw, 2.9rem);
  }

  .article-summary {
    font-size: 1.05rem;
  }

  .site-footer {
    display: grid;
    gap: 8px;
    padding-bottom: calc(98px + env(safe-area-inset-bottom));
  }

  .toast {
    right: var(--gutter);
    bottom: calc(86px + env(safe-area-inset-bottom));
    left: var(--gutter);
    max-width: none;
    text-align: center;
  }

  .mobile-cta {
    position: fixed;
    z-index: 30;
    right: auto;
    bottom: max(10px, env(safe-area-inset-bottom));
    left: 50%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    width: min(370px, calc(100vw - 20px));
    max-width: calc(100vw - 20px);
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 8px;
    background: rgba(18, 34, 54, 0.94);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 10px);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  .mobile-cta.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
  }

  .mobile-cta a,
  .mobile-cta button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 0;
    min-height: 42px;
    border: 0;
    border-radius: 6px;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.09);
    font-size: 0.92rem;
    font-weight: 800;
  }

  .mobile-cta a:nth-child(2) {
    background: var(--blue);
  }
}

@media (max-width: 390px) {
  .menu-toggle {
    width: 46px;
    min-width: 46px;
    padding: 0;
  }

  .menu-toggle span {
    position: absolute;
    overflow: hidden;
    width: 1px;
    height: 1px;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .brand strong {
    max-width: 11em;
  }

  .wechat-card {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .wechat-card img {
    width: 92px;
    height: 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 720px) {
  .hero-video,
  .home-hero .hero-overlay {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video,
  .home-hero .hero-overlay {
    display: none;
  }
}