:root {
  --black: #1F1F1F;
  --paper: #EDEBE8;
  --yellow: #F4B400;
  --deep-gray: #4A4343;
  --white: #FFFFFF;
  --line: #DBD8D2;
  --muted: #6F6966;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--black);
  background: var(--paper);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.72;
  letter-spacing: 0;
  text-rendering: geometricPrecision;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.top-strip {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--yellow);
  color: var(--black);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .02em;
}
.top-strip a { border-bottom: 1px solid rgba(31,31,31,.55); }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 clamp(22px, 6vw, 120px);
  background: rgba(31,31,31,.98);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.logo {
  display: flex;
  align-items: center;
  min-width: 430px;
  line-height: 1.15;
}
.brand-logo {
  width: clamp(320px, 21vw, 430px);
  height: auto;
  object-fit: contain;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
}
.nav-links a { position: relative; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  background: var(--yellow);
  transition: right .2s;
}
.nav-links a:hover::after { right: 0; }
.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: var(--white);
  font: inherit;
  font-weight: 800;
}

.hero {
  min-height: calc(100vh - 118px);
  display: grid;
  grid-template-columns: minmax(340px, .84fr) minmax(520px, 1.16fr);
  align-items: stretch;
  gap: clamp(32px, 5vw, 78px);
  padding: 66px clamp(22px, 6vw, 120px) 88px;
  background:
    linear-gradient(90deg, rgba(255,255,255,.9), rgba(255,255,255,.52)),
    linear-gradient(180deg, #fff 0%, var(--paper) 100%);
  overflow: hidden;
}
.hero-copy {
  display: grid;
  align-content: center;
  padding-block: 38px;
}
.hero-copy::after {
  content: "服务区域：成都、四川、全国远程设计咨询";
  margin-top: 58px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.kicker {
  margin: 0;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .04em;
}
.hero h1,
.page-hero h1 {
  margin: 10px 0 24px;
  max-width: 880px;
  color: var(--black);
  font-size: clamp(46px, 6.4vw, 92px);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 950;
}
.hero h1 span {
  display: block;
}
.hero-copy p:not(.kicker),
.page-hero p:not(.kicker) {
  max-width: 700px;
  color: var(--deep-gray);
  font-size: clamp(18px, 1.45vw, 22px);
  line-height: 1.78;
}
.hero-lines span {
  display: block;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--black);
  font-size: 14px;
  font-weight: 900;
  border-radius: 3px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn.primary {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--black);
  box-shadow: 0 0 0 0 rgba(244,180,0,.34);
  animation: leadBreath 2.6s ease-in-out infinite;
}
.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(244,180,0,.26);
}
.btn.primary:focus-visible {
  outline: 3px solid rgba(244,180,0,.34);
  outline-offset: 4px;
}
@keyframes leadBreath {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(244,180,0,.30), 0 10px 24px rgba(0,0,0,.06);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(244,180,0,0), 0 16px 32px rgba(244,180,0,.20);
  }
}

.hero-visual {
  position: relative;
  min-height: 640px;
  overflow: hidden;
  background: var(--black);
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0,0,0,0) 44%, rgba(0,0,0,.66)),
    linear-gradient(90deg, rgba(0,0,0,.14), rgba(0,0,0,0));
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.84) contrast(1.03);
}
.hero-caption {
  position: absolute;
  z-index: 2;
  left: 30px;
  right: 30px;
  bottom: 28px;
  display: grid;
  gap: 8px;
  color: var(--white);
}
.hero-caption span {
  color: var(--yellow);
  font-size: 14px;
  font-weight: 950;
}
.hero-caption b {
  max-width: 560px;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}
.hero-caption p {
  margin: 0;
  color: rgba(255,255,255,.82);
  font-weight: 800;
}

.section {
  padding: 104px clamp(22px, 6vw, 120px);
  background: var(--white);
  border-top: 1px solid var(--line);
}
.section.muted { background: var(--paper); }
.section.dark {
  background: var(--black);
  color: var(--white);
  border-top: 0;
}
.index {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--yellow);
  font-size: 15px;
  font-weight: 950;
}
.dark .index { color: var(--yellow); }
h2 {
  margin: 0 0 24px;
  max-width: 900px;
  font-size: clamp(34px, 4.6vw, 66px);
  line-height: 1.16;
  letter-spacing: 0;
}
.wide {
  max-width: 860px;
  color: var(--deep-gray);
  font-size: 20px;
  line-height: 1.85;
}
.dark .wide { color: rgba(255,255,255,.86); }

.intro-grid {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 64px;
}
.problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.problem-list p,
.advisory-grid article,
.method-panels article,
.post-card,
.service-card,
.contact-card,
.front-form,
.quote,
details {
  margin: 0;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.problem-list p {
  display: grid;
  gap: 8px;
  align-content: start;
}
.problem-list b {
  font-size: 21px;
  line-height: 1.25;
}
.problem-list span {
  color: var(--deep-gray);
  line-height: 1.72;
}

.advisory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 44px;
  background: var(--line);
}
.advisory-grid article {
  min-height: 180px;
  display: grid;
  align-content: end;
  border: 0;
  border-radius: 0;
}
.advisory-grid b {
  display: block;
  margin-bottom: 8px;
  color: var(--black);
  font-size: clamp(38px, 5vw, 72px);
  line-height: 1;
  letter-spacing: 0;
}
.advisory-grid span {
  color: var(--deep-gray);
  font-weight: 900;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.service-card {
  position: relative;
  min-height: 470px;
  display: flex;
  flex-direction: column;
  border-top: 6px solid var(--yellow);
  overflow: hidden;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease, background .28s ease;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: var(--yellow);
  transform: scaleX(.32);
  transform-origin: left center;
  transition: transform .28s ease;
}
.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(244,180,0,.72);
  box-shadow: 0 22px 54px rgba(31,31,31,.12);
  background: #fffdf7;
}
.service-card:hover::before {
  transform: scaleX(1);
}
.service-card:hover h3 {
  color: #000;
}
.service-card:hover span {
  transform: translateX(4px);
}
.service-editorial .service-card:nth-child(2) { transform: translateY(34px); }
.service-editorial .service-card:nth-child(3) { transform: translateY(68px); }
.service-editorial .service-card:nth-child(2):hover { transform: translateY(24px); }
.service-editorial .service-card:nth-child(3):hover { transform: translateY(58px); }
.service-card span {
  display: inline-block;
  color: var(--yellow);
  font-weight: 950;
  transition: transform .28s ease;
}
.service-card h3 {
  margin: 18px 0 10px;
  font-size: 29px;
  line-height: 1.2;
}
.service-card strong { font-size: 22px; }
.service-card p {
  color: var(--deep-gray);
  line-height: 1.72;
}
.service-card li {
  margin: 5px 0;
}
.service-card ul {
  padding-left: 18px;
  color: var(--black);
}
.service-card em {
  margin-top: auto;
  color: var(--deep-gray);
  font-style: normal;
  font-weight: 900;
}

.method-line,
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.method-line span,
.tags span {
  padding: 12px 16px;
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-weight: 900;
}
.method-editorial {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.method-image {
  margin: 0;
  min-height: 520px;
  overflow: hidden;
}
.method-image img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  filter: saturate(.86) contrast(1.04);
}

.case-grid {
  display: grid;
  grid-template-columns: 1.35fr .95fr;
  gap: 22px;
}
.case-grid.large { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.case-card {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: var(--paper);
  border-radius: var(--radius);
}
.case-card:first-child {
  grid-row: span 2;
  min-height: 720px;
}
.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s;
}
.case-card:hover img { transform: scale(1.04); }
.case-card div {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  padding: 18px;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(12px);
}
.case-card span {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 950;
}
.case-card h3 {
  margin: 5px 0 8px;
  font-size: 24px;
  line-height: 1.28;
}
.case-card p {
  margin: 0;
  color: var(--deep-gray);
}

.post-row,
.post-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.post-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.post-card span {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 950;
}
.post-card h3 {
  margin: 10px 0;
  font-size: 22px;
  line-height: 1.35;
}
.knowledge-editorial .post-card {
  min-height: 230px;
  display: grid;
  align-content: space-between;
}

.knowledge-hero {
  min-height: 56vh;
}
.knowledge-system {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(34px, 6vw, 92px);
  align-items: start;
}
.geo-structure {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}
.geo-structure article {
  min-height: 132px;
  display: grid;
  align-content: space-between;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.geo-structure span {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 950;
}
.geo-structure b {
  font-size: 17px;
  line-height: 1.35;
}
.knowledge-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}
.knowledge-filter a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-weight: 900;
}
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.knowledge-card {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  min-height: 360px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.knowledge-cover {
  min-height: 360px;
  overflow: hidden;
  background: var(--paper);
}
.knowledge-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.88) contrast(1.03);
  transition: transform .35s ease;
}
.knowledge-card:hover .knowledge-cover img {
  transform: scale(1.035);
}
.knowledge-body {
  display: grid;
  align-content: center;
  padding: 30px;
}
.knowledge-body > span {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 950;
}
.knowledge-body h3 {
  margin: 10px 0 12px;
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.25;
}
.knowledge-body p {
  margin: 0;
  color: var(--deep-gray);
  line-height: 1.72;
}
.knowledge-body dl {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}
.knowledge-body dl div {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.knowledge-body dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}
.knowledge-body dd {
  margin: 0;
  color: var(--black);
  line-height: 1.65;
}
.knowledge-more {
  justify-self: start;
  margin-top: 22px;
  color: var(--black);
  font-weight: 950;
  border-bottom: 2px solid var(--yellow);
}

.article-hero {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(30px, 5vw, 78px);
  align-items: stretch;
  padding: 84px clamp(22px, 6vw, 120px);
  background: var(--paper);
}
.article-hero-copy {
  display: grid;
  align-content: center;
}
.article-hero h1 {
  margin: 10px 0 20px;
  font-size: clamp(42px, 6vw, 84px);
  line-height: 1.08;
}
.article-hero p:not(.kicker) {
  max-width: 720px;
  color: var(--deep-gray);
  font-size: 20px;
  line-height: 1.82;
}
.article-hero figure {
  margin: 0;
  min-height: 520px;
  overflow: hidden;
  background: var(--black);
}
.article-hero img,
.article-image-band img,
.article-sections figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.88) contrast(1.03);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.article-meta span {
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 900;
}
.article-quick-answer {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: clamp(34px, 6vw, 92px);
}
.quick-answer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.quick-answer-grid article {
  min-height: 220px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.quick-answer-grid b {
  display: block;
  margin-bottom: 12px;
  font-size: 24px;
}
.quick-answer-grid p {
  margin: 0;
  color: var(--deep-gray);
  line-height: 1.78;
}
.article-image-band figure {
  position: relative;
  margin: 0;
  min-height: 560px;
  overflow: hidden;
}
.article-image-band figcaption,
.article-sections figcaption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 16px 18px;
  background: rgba(31,31,31,.86);
  color: var(--white);
  font-weight: 900;
  backdrop-filter: blur(12px);
}
.article-content-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(34px, 6vw, 92px);
  align-items: start;
}
.article-toc {
  position: sticky;
  top: 118px;
  display: grid;
  gap: 10px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.article-toc b {
  margin-bottom: 8px;
  font-size: 20px;
}
.article-toc a {
  color: var(--deep-gray);
  font-weight: 800;
}
.article-sections {
  display: grid;
  gap: 18px;
}
.article-sections article {
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.article-sections article span {
  color: var(--yellow);
  font-weight: 950;
}
.article-sections h2 {
  margin: 16px 0;
  font-size: clamp(30px, 4vw, 52px);
}
.article-sections p {
  margin: 0;
  color: var(--deep-gray);
  font-size: 18px;
  line-height: 1.86;
}
.article-sections figure {
  position: relative;
  margin: 0;
  min-height: 460px;
  overflow: hidden;
}
.article-faq .faq-list {
  max-width: 920px;
}

.cta {
  display: grid;
  grid-template-columns: minmax(420px, 560px) minmax(220px, 320px);
  justify-content: center;
  align-items: center;
  gap: clamp(80px, 12vw, 220px);
  padding: 104px clamp(22px, 6vw, 120px);
  background: var(--black);
  color: var(--white);
}
.cta .kicker { color: var(--yellow); }
.cta h2 { margin-bottom: 8px; }
.cta p { margin: 0; }
.cta-copy {
  transform: translateX(18px);
}
.cta-copy p span {
  display: block;
}
.lead-btn {
  justify-self: center;
  min-width: 178px;
  min-height: 54px;
}

.page-hero {
  min-height: 46vh;
  display: grid;
  align-content: center;
  padding: 84px clamp(22px, 6vw, 120px);
  background: var(--paper);
}
.service-hero {
  min-height: 58vh;
  background:
    linear-gradient(135deg, rgba(244,180,0,.10), rgba(244,180,0,0) 36%),
    var(--black);
  color: var(--white);
}
.service-hero h1 {
  color: var(--white);
}
.service-hero p:not(.kicker) {
  color: rgba(255,255,255,.78);
}
.service-pricing-section {
  background: var(--white);
}
.page-hero p span {
  display: block;
}
.cases-hero {
  min-height: 58vh;
  padding-top: 112px;
  padding-bottom: 96px;
}
.case-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.case-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-weight: 900;
}
.case-guide {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}
.case-guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.case-guide-grid article {
  min-height: 118px;
  display: grid;
  align-content: space-between;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.case-guide-grid span {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 950;
}
.case-guide-grid b {
  font-size: 18px;
  line-height: 1.32;
}
.case-collection {
  display: grid;
  gap: 86px;
}
.case-category {
  display: grid;
  gap: 28px;
}
.case-category-head {
  display: grid;
  grid-template-columns: 80px minmax(280px, 520px) minmax(260px, 520px);
  gap: 28px;
  align-items: baseline;
}
.case-category-head span {
  color: var(--yellow);
  font-weight: 950;
}
.case-category-head h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
}
.case-category-head p {
  margin: 0;
  color: var(--deep-gray);
  font-size: 18px;
  line-height: 1.75;
}
.case-collection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.case-collection-card {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  min-height: 380px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.case-thumb {
  min-height: 380px;
  background: var(--paper);
  overflow: hidden;
}
.case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.case-collection-card:hover .case-thumb img {
  transform: scale(1.035);
}
.case-meta {
  display: grid;
  align-content: center;
  padding: 30px;
}
.case-meta > span {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 950;
}
.case-meta h3 {
  margin: 10px 0 14px;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.2;
}
.case-meta p {
  margin: 0;
  color: var(--deep-gray);
  line-height: 1.72;
}
.case-meta dl {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
}
.case-meta dl div {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.case-meta dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}
.case-meta dd {
  margin: 0;
  color: var(--black);
  font-weight: 900;
}
.case-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  min-height: 42px;
  margin-top: 26px;
  padding: 0 18px;
  background: var(--black);
  color: var(--white);
  border-radius: 3px;
  font-weight: 900;
}
.cases-cta {
  border-top: 1px solid rgba(255,255,255,.08);
}

.case-detail-hero {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: clamp(30px, 5vw, 76px);
  align-items: stretch;
  padding: 84px clamp(22px, 6vw, 120px);
  background: var(--paper);
}
.case-detail-copy {
  display: grid;
  align-content: center;
}
.case-detail-copy h1 {
  margin: 10px 0 20px;
  font-size: clamp(44px, 6vw, 86px);
  line-height: 1.08;
}
.case-detail-copy p:not(.kicker) {
  max-width: 680px;
  color: var(--deep-gray);
  font-size: 20px;
  line-height: 1.85;
}
.case-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.case-detail-tags span {
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-weight: 900;
}
.case-detail-hero figure {
  margin: 0;
  min-height: 560px;
  overflow: hidden;
  background: var(--black);
}
.case-detail-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.88) contrast(1.03);
}
.case-key-decisions {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(34px, 6vw, 92px);
  align-items: start;
}
.case-decision-head h2 {
  margin-bottom: 0;
}
.decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.decision-grid article {
  min-height: 220px;
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.decision-grid img {
  width: 46px;
  height: 46px;
}
.decision-grid b {
  font-size: 24px;
  line-height: 1.25;
}
.decision-grid span {
  color: var(--deep-gray);
  line-height: 1.75;
}
.case-story-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--black);
}
.case-story-images figure {
  position: relative;
  margin: 0;
  min-height: 560px;
  overflow: hidden;
}
.case-story-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.88) contrast(1.03);
}
.case-story-images figcaption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 16px 18px;
  background: rgba(31,31,31,.86);
  color: var(--white);
  font-weight: 900;
  backdrop-filter: blur(12px);
}
.detail-summary {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: clamp(30px, 6vw, 92px);
}
.detail-summary-grid {
  display: grid;
  gap: 14px;
}
.detail-summary-grid article {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 22px;
  align-items: baseline;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.detail-summary-grid b {
  font-size: 20px;
}
.detail-summary-grid span {
  color: var(--deep-gray);
  line-height: 1.78;
}
.detail-modules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.detail-modules article {
  min-height: 300px;
  display: grid;
  align-content: start;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.detail-modules article span {
  color: var(--yellow);
  font-weight: 950;
}
.detail-modules h2 {
  margin: 18px 0 16px;
  font-size: clamp(28px, 3.4vw, 44px);
}
.detail-modules p {
  margin: 0;
  color: var(--deep-gray);
  font-size: 18px;
  line-height: 1.82;
}
.detail-template-note .wide {
  max-width: 820px;
}
.dark-hero {
  background: var(--black);
  color: var(--white);
}
.dark-hero h1 { color: var(--white); }
.dark-hero p:not(.kicker) { color: rgba(255,255,255,.86); }

.method-panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 40px;
}
.method-panels span {
  color: var(--yellow);
  font-weight: 950;
}
.method-panels h3 { font-size: 26px; }

.method-hero {
  min-height: 68vh;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(420px, .94fr);
  gap: clamp(42px, 8vw, 140px);
  align-items: end;
  padding: 118px clamp(22px, 6vw, 120px) 92px;
  background:
    linear-gradient(90deg, rgba(31,31,31,.96), rgba(31,31,31,.88)),
    var(--black);
  color: var(--white);
}
.method-hero h1 {
  margin: 12px 0 34px;
  max-width: 980px;
  color: var(--white);
  font-size: clamp(48px, 6.6vw, 104px);
  line-height: 1.06;
  letter-spacing: 0;
}
.method-hero p:not(.kicker) {
  max-width: 760px;
  color: rgba(255,255,255,.78);
  font-size: clamp(18px, 1.45vw, 22px);
  line-height: 1.85;
}
.method-hero p span {
  display: block;
}
.method-hero-visual {
  position: relative;
  min-height: 560px;
  margin: 0;
  overflow: hidden;
  background: #111;
}
.method-hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(31,31,31,0) 42%, rgba(31,31,31,.78)),
    linear-gradient(90deg, rgba(31,31,31,.08), rgba(31,31,31,0));
}
.method-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  filter: saturate(.84) contrast(1.05);
}
.method-hero-visual figcaption {
  position: absolute;
  z-index: 2;
  left: 30px;
  right: 30px;
  bottom: 28px;
  color: var(--white);
}
.method-hero-visual figcaption span {
  display: block;
  margin-bottom: 8px;
  color: var(--yellow);
  font-weight: 950;
}
.method-hero-visual figcaption b {
  max-width: 520px;
  display: block;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.18;
}
.method-value {
  display: grid;
  grid-template-columns: .86fr 1fr;
  gap: clamp(36px, 7vw, 110px);
  align-items: start;
}
.method-value-copy {
  display: grid;
  gap: 18px;
  padding-top: 48px;
}
.method-visual-copy {
  padding-top: 0;
}
.method-value-copy p {
  margin: 0;
  color: var(--deep-gray);
  font-size: 21px;
  line-height: 1.9;
}
.budget-board {
  display: grid;
  grid-template-columns: .9fr 1fr;
  gap: 22px;
  padding: 28px;
  background: var(--black);
  color: var(--white);
  border-top: 6px solid var(--yellow);
}
.budget-board-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.budget-board-head b {
  font-size: 24px;
}
.budget-board-head span {
  color: rgba(255,255,255,.45);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}
.budget-rings {
  position: relative;
  min-height: 260px;
  display: grid;
  place-items: center;
}
.budget-rings::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 14px rgba(244,180,0,.14);
}
.budget-rings span {
  --size: 70%;
  position: absolute;
  width: var(--size);
  aspect-ratio: 1;
  display: grid;
  place-items: start center;
  padding-top: 18px;
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 50%;
  color: rgba(255,255,255,.82);
  font-weight: 950;
}
.budget-rings span:first-child {
  border-color: rgba(244,180,0,.62);
}
.budget-metrics {
  display: grid;
  align-content: center;
  gap: 12px;
}
.budget-metrics article {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.budget-metrics b {
  color: var(--white);
  font-size: 18px;
}
.budget-metrics em {
  color: var(--yellow);
  font-style: normal;
  font-weight: 900;
}
.method-risk-grid,
.method-system-grid,
.method-outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}
.method-risk-grid article,
.method-system-grid article,
.method-outcome-grid article {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--yellow);
}
.method-risk-grid span,
.method-system-grid span {
  color: var(--yellow);
  font-weight: 950;
}
.method-risk-grid h3,
.method-system-grid h3 {
  margin: 22px 0 12px;
  font-size: 28px;
  line-height: 1.22;
}
.method-risk-grid p,
.method-system-grid p,
.method-outcome-grid p {
  margin: 0;
  color: var(--deep-gray);
  line-height: 1.78;
}
.method-system-head {
  display: grid;
  grid-template-columns: .86fr 1fr;
  gap: clamp(36px, 7vw, 110px);
  align-items: end;
}
.method-system-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}
.method-system-grid article {
  min-height: 260px;
  display: grid;
  align-content: space-between;
  border: 0;
  border-top: 4px solid var(--yellow);
}
.method-system-grid h3 {
  font-size: 24px;
}
.method-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
  margin-top: 48px;
}
.method-flow::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 7%;
  top: 34px;
  height: 2px;
  background: linear-gradient(90deg, var(--yellow), rgba(244,180,0,.18));
}
.method-flow article {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: start;
  gap: 16px;
  min-height: 300px;
  padding: 0 0 0 0;
}
.method-flow span {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--black);
  color: var(--yellow);
  border: 6px solid var(--white);
  box-shadow: 0 0 0 1px var(--line);
  font-weight: 950;
}
.method-flow h3 {
  margin: 8px 0 0;
  font-size: 25px;
  line-height: 1.2;
}
.method-flow p {
  margin: 0;
  max-width: 220px;
  color: var(--deep-gray);
  line-height: 1.72;
}
.method-outcome {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: clamp(36px, 7vw, 110px);
  align-items: start;
}
.method-outcome-grid {
  margin-top: 0;
}
.method-outcome-grid article {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}
.method-outcome-grid b {
  display: block;
  margin-bottom: 14px;
  color: var(--white);
  font-size: 25px;
  line-height: 1.2;
}
.method-outcome-grid p {
  color: rgba(255,255,255,.75);
}

.faq-list {
  display: grid;
  gap: 12px;
}
summary {
  cursor: pointer;
  font-size: 19px;
  font-weight: 950;
}

.split,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.quote {
  align-self: start;
  background: var(--black);
  color: var(--white);
  font-size: 28px;
  line-height: 1.42;
  font-weight: 900;
}
.about-hero {
  background: var(--black);
  color: var(--white);
}
.about-hero h1 {
  color: var(--white);
}
.about-hero p:not(.kicker) {
  color: rgba(255,255,255,.78);
}
.company-profile {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, .78fr);
  gap: clamp(36px, 7vw, 110px);
  align-items: start;
}
.company-facts {
  margin: 0;
  display: grid;
  border-top: 4px solid var(--yellow);
  background: var(--white);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.company-facts div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}
.company-facts dt {
  color: var(--muted);
  font-weight: 900;
}
.company-facts dd {
  margin: 0;
  color: var(--black);
  font-weight: 800;
  line-height: 1.65;
}
.about-position {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.about-position article {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--yellow);
}
.about-position span {
  color: var(--yellow);
  font-weight: 950;
}
.about-position h3 {
  margin: 16px 0 10px;
  font-size: 26px;
  line-height: 1.25;
}
.about-position p {
  margin: 0;
  color: var(--deep-gray);
}
.front-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.front-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 900;
}
.front-form label:last-of-type,
.front-form button { grid-column: 1 / -1; }
.form-success {
  grid-column: 1 / -1;
  margin: 0;
  padding: 13px 14px;
  background: #fff9df;
  border: 1px solid rgba(246, 190, 0, .45);
  color: var(--black);
  font-weight: 900;
}
input,
textarea {
  width: 100%;
  padding: 13px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font: inherit;
}

.footer {
  display: grid;
  grid-template-columns: minmax(360px, 560px) minmax(170px, 210px) minmax(300px, 380px);
  justify-content: center;
  gap: clamp(48px, 6vw, 96px);
  padding: 92px clamp(22px, 6vw, 120px) 82px;
  background: var(--black);
  color: var(--white);
}
.footer h3 {
  margin-top: 0;
  font-size: 22px;
}
.footer p {
  color: rgba(255,255,255,.75);
  line-height: 1.9;
}
.footer-brand p:first-of-type {
  max-width: 560px;
}
.footer-brand span {
  display: block;
}
.footer a {
  display: block;
  margin: 8px 0;
  color: var(--white);
}

@media (max-width: 1120px) {
  .logo { min-width: 320px; }
  .brand-logo { width: 320px; }
  .nav-links { gap: 20px; }
}

@media (max-width: 980px) {
  .hero,
  .method-hero,
  .method-value,
  .method-system-head,
  .method-outcome,
  .method-editorial,
  .case-detail-hero,
  .article-hero,
  .article-quick-answer,
  .article-content-layout,
  .case-key-decisions,
  .detail-summary,
  .knowledge-system,
  .company-profile,
  .about-position,
  .case-guide,
  .intro-grid,
  .split,
  .contact-layout,
  .footer,
  .cta {
    grid-template-columns: 1fr;
  }
  .hero {
    display: block;
    min-height: auto;
  }
  .method-hero {
    align-items: start;
  }
  .method-value-copy {
    padding-top: 0;
  }
  .method-hero-visual,
  .method-hero-visual img {
    min-height: 430px;
  }
  .budget-board {
    grid-template-columns: 1fr;
  }
  .method-system-grid article {
    min-height: auto;
  }
  .hero-visual {
    min-height: 430px;
    margin-top: 36px;
  }
  .method-image,
  .method-image img {
    min-height: 360px;
  }
  .service-grid,
  .method-risk-grid,
  .method-system-grid,
  .method-flow,
  .method-outcome-grid,
  .detail-modules,
  .decision-grid,
  .case-story-images,
  .quick-answer-grid,
  .geo-structure,
  .knowledge-grid,
  .knowledge-card,
  .case-grid,
  .case-grid.large,
  .case-collection-grid,
  .case-collection-card,
  .post-row,
  .post-list,
  .method-panels,
  .problem-list,
  .advisory-grid {
    grid-template-columns: 1fr;
  }
  .method-flow {
    gap: 26px;
  }
  .method-flow::before {
    left: 34px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, var(--yellow), rgba(244,180,0,.18));
  }
  .method-flow article {
    min-height: auto;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 0 18px;
  }
  .method-flow span {
    grid-row: 1 / span 2;
  }
  .method-flow h3,
  .method-flow p {
    grid-column: 2;
  }
  .service-editorial .service-card:nth-child(2),
  .service-editorial .service-card:nth-child(3) {
    transform: none;
  }
  .case-card:first-child {
    grid-row: auto;
    min-height: 380px;
  }
  .case-guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .case-category-head {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .case-thumb {
    min-height: 320px;
  }
  .knowledge-cover {
    min-height: 280px;
  }
  .case-detail-hero figure {
    min-height: 420px;
  }
  .article-hero figure,
  .article-image-band figure,
  .article-sections figure {
    min-height: 360px;
  }
  .article-toc {
    position: static;
  }
  .case-story-images figure {
    min-height: 360px;
  }
  .detail-summary-grid article {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .nav-links {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 92px;
    padding: 18px;
    background: var(--black);
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: 0 30px 60px rgba(0,0,0,.18);
  }
  .nav-links.is-open {
    display: grid;
    gap: 14px;
  }
  .menu-toggle { display: block; }
  .cta {
    gap: 34px;
    justify-content: stretch;
  }
  .cta-copy {
    transform: none;
  }
  .lead-btn {
    justify-self: start;
  }
}

@media (max-width: 560px) {
  .top-strip {
    justify-content: space-between;
    padding: 0 14px;
  }
  .site-nav {
    min-height: 74px;
    padding: 12px 18px;
  }
  .logo {
    min-width: 0;
  }
  .brand-logo { width: min(290px, 68vw); }
  .company-facts div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .hero,
  .section,
  .page-hero,
  .cta,
  .footer {
    padding-left: 18px;
    padding-right: 18px;
  }
  .hero h1,
  .page-hero h1 {
    font-size: clamp(40px, 12vw, 58px);
  }
  .hero-visual { min-height: 360px; }
  .hero-caption {
    left: 18px;
    right: 18px;
    bottom: 18px;
  }
  .hero-caption b { font-size: 30px; }
  .service-card { min-height: auto; }
  .front-form { grid-template-columns: 1fr; }
  .case-card { min-height: 320px; }
  .cases-hero {
    padding-top: 72px;
    padding-bottom: 72px;
  }
  .case-nav a {
    width: 100%;
    justify-content: center;
  }
  .case-guide-grid {
    grid-template-columns: 1fr;
  }
  .case-meta {
    padding: 22px;
  }
  .case-detail-hero {
    padding-top: 62px;
    padding-bottom: 62px;
  }
  .case-detail-hero figure {
    min-height: 300px;
  }
  .article-hero {
    padding-top: 62px;
    padding-bottom: 62px;
  }
  .article-hero figure,
  .article-image-band figure,
  .article-sections figure {
    min-height: 280px;
  }
  .article-sections article {
    padding: 24px;
  }
  .detail-modules article {
    min-height: auto;
    padding: 24px;
  }
  .decision-grid article {
    min-height: auto;
    padding: 22px;
  }
  .case-story-images figure {
    min-height: 300px;
  }
  .case-thumb {
    min-height: 260px;
  }
  .knowledge-filter a {
    width: 100%;
    justify-content: center;
  }
  .knowledge-body {
    padding: 22px;
  }
  .knowledge-body dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .lead-btn {
    width: 100%;
    justify-self: stretch;
  }
}