:root {
  --warm-white: #E8E2DA;
  --lime-grey: #C9C3BC;
  --charcoal: #2C2C2C;
  --sun: #D8B98A;
  --paper: #F7F3EE;
  --ink-soft: rgba(44, 44, 44, .72);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--charcoal);
  background: var(--paper);
  font-family: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  line-height: 1.7;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 76px;
  padding: 18px clamp(20px, 4vw, 64px);
  color: #fff;
  background: linear-gradient(180deg, rgba(44, 44, 44, .72), rgba(44, 44, 44, .08));
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: max-content;
}

.brand img {
  width: 112px;
  height: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  flex: 1;
  font-size: 14px;
  white-space: nowrap;
}

.main-nav a {
  opacity: .88;
}

.main-nav a:hover,
.phone-link:hover {
  color: var(--sun);
}

.phone-link {
  font-family: Arial, sans-serif;
  font-size: 14px;
  color: var(--sun);
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--charcoal);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(20, 19, 17, .72), rgba(20, 19, 17, .26), rgba(20, 19, 17, .58)),
    url("/template/default/guiting/assets/brand/promo/home-hero.jpg") center / cover;
  transform: scale(1.02);
}

.hero-overlay {
  background: radial-gradient(circle at 72% 38%, rgba(216, 185, 138, .18), transparent 32%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 40px));
  margin-left: clamp(20px, 8vw, 116px);
  padding-top: 80px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--sun);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(56px, 9vw, 124px);
  line-height: .98;
  font-weight: 500;
  letter-spacing: 0;
}

.hero-subtitle {
  margin: 22px 0 0;
  font-size: clamp(25px, 3vw, 42px);
  line-height: 1.35;
}

.hero-copy {
  width: min(620px, 100%);
  margin: 28px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, .5);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.button.primary {
  border-color: var(--sun);
  background: var(--sun);
  color: var(--charcoal);
}

.button.ghost {
  color: #fff;
}

.text-link {
  display: inline-block;
  margin-left: 10px;
  color: var(--charcoal);
  border-bottom: 1px solid var(--sun);
}

.text-link:hover {
  color: #8a6a3e;
}

.hero-note {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: 42px;
  z-index: 1;
  display: flex;
  gap: 18px;
  color: rgba(255, 255, 255, .65);
  font-family: Arial, sans-serif;
  font-size: 12px;
  letter-spacing: .16em;
}

.section {
  padding: clamp(76px, 9vw, 136px) clamp(20px, 5vw, 76px);
}

.intro {
  background: var(--warm-white);
}

.intro-grid,
.section-heading,
.standards-inner,
.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .82fr);
  gap: clamp(40px, 8vw, 112px);
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.18;
  font-weight: 500;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
  font-weight: 500;
}

.intro-copy p,
.section-heading p,
.standards p,
.contact p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 16px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1220px;
  margin: 68px auto 0;
  background: rgba(44, 44, 44, .14);
}

.metrics div {
  min-height: 138px;
  padding: 28px;
  background: rgba(247, 243, 238, .64);
}

.metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: 24px;
  font-weight: 500;
}

.metrics span {
  color: var(--ink-soft);
}

.image-band {
  position: relative;
  height: min(58vw, 620px);
  min-height: 360px;
  overflow: hidden;
  background: var(--charcoal);
}

.image-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(44, 44, 44, .62), rgba(44, 44, 44, .08));
}

.image-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.image-band-text {
  position: absolute;
  left: clamp(22px, 7vw, 104px);
  bottom: clamp(24px, 5vw, 72px);
  z-index: 1;
  color: #fff;
}

.image-band-text span {
  display: block;
  margin-bottom: 12px;
  color: var(--sun);
  font-family: Arial, sans-serif;
  letter-spacing: .16em;
}

.image-band-text strong {
  display: block;
  max-width: 620px;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.18;
  font-weight: 500;
}

.works {
  background: var(--paper);
}

.brand-gallery {
  background: #f4f0ea;
}

.brand-gallery-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
  max-width: 1220px;
  margin: 46px auto 0;
}

.brand-gallery-card {
  position: relative;
  min-height: 300px;
  margin: 0;
  overflow: hidden;
  background: var(--charcoal);
}

.brand-gallery-card.large {
  grid-row: span 2;
  min-height: 618px;
}

.brand-gallery-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-gallery-card figcaption {
  position: absolute;
  left: 24px;
  bottom: 22px;
  color: rgba(255, 255, 255, .82);
  font-family: Arial, sans-serif;
  font-size: 13px;
  letter-spacing: .14em;
}

.film {
  background: var(--charcoal);
  color: #fff;
}

.film .section-heading p {
  color: rgba(255, 255, 255, .7);
}

.film-frame {
  max-width: 1220px;
  margin: 46px auto 0;
  background: #111;
  border: 1px solid rgba(216, 185, 138, .32);
}

.film-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #111;
}

.work-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1220px;
  margin: 42px auto 28px;
}

.work-tabs span {
  padding: 8px 16px;
  border: 1px solid var(--lime-grey);
  color: rgba(44, 44, 44, .8);
  font-size: 14px;
}

.work-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
  max-width: 1220px;
  margin: 0 auto;
}

.work-card {
  position: relative;
  min-height: 310px;
  overflow: hidden;
  background: var(--lime-grey);
}

.work-card.large {
  grid-row: span 2;
  min-height: 638px;
}

.work-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(20, 19, 17, .72));
  pointer-events: none;
}

.work-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: #242320;
}

.work-card div {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  z-index: 1;
  color: #fff;
}

.work-card p {
  margin: 0 0 6px;
  color: var(--sun);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.services {
  background: var(--charcoal);
  color: #fff;
}

.services > .section-kicker,
.services > h2 {
  max-width: 1220px;
  margin-left: auto;
  margin-right: auto;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1220px;
  margin: 56px auto 0;
  background: rgba(232, 226, 218, .22);
}

.service-grid article {
  min-height: 240px;
  padding: 30px;
  background: rgba(255, 255, 255, .035);
}

.service-grid span {
  display: block;
  margin-bottom: 44px;
  color: var(--sun);
  font-family: Arial, sans-serif;
}

.service-grid p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .66);
}

.standards {
  padding: clamp(76px, 9vw, 136px) clamp(20px, 5vw, 76px);
  background: var(--warm-white);
}

.standard-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(44, 44, 44, .18);
}

.standard-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(44, 44, 44, .18);
}

.standard-list span {
  color: var(--sun);
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

.standard-list strong {
  font-size: 18px;
  font-weight: 500;
}

.journal {
  background: var(--paper);
}

.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1220px;
  margin: 46px auto 0;
}

.journal-grid article {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--lime-grey);
  background: rgba(232, 226, 218, .44);
}

.journal-grid p {
  margin: 0 0 28px;
  color: var(--sun);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.journal-grid span {
  display: block;
  margin-top: 22px;
  color: var(--ink-soft);
}

.contact {
  padding: clamp(70px, 8vw, 120px) clamp(20px, 5vw, 76px);
  background:
    linear-gradient(90deg, rgba(44, 44, 44, .92), rgba(44, 44, 44, .76)),
    url("/template/default/guiting/assets/brand/promo/home-band.jpg") center / cover;
  color: #fff;
}

.contact-panel {
  align-items: center;
}

.contact p {
  color: rgba(255, 255, 255, .72);
}

.contact-info {
  display: grid;
  gap: 16px;
  padding: 34px;
  border: 1px solid rgba(216, 185, 138, .48);
}

.contact-info a {
  color: var(--sun);
  font-family: Arial, sans-serif;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

.contact-info span {
  color: rgba(255, 255, 255, .76);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 28px clamp(20px, 5vw, 76px);
  color: rgba(255, 255, 255, .72);
  background: #202020;
  font-size: 14px;
}

.site-footer div {
  display: grid;
  gap: 4px;
}

.site-footer strong {
  color: #fff;
  font-size: 18px;
  font-weight: 500;
}

.site-footer p {
  margin: 0;
  align-self: end;
}

@media (max-width: 980px) {
  .site-header {
    position: absolute;
    flex-wrap: wrap;
    gap: 12px 22px;
  }

  .main-nav {
    order: 3;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .phone-link {
    margin-left: auto;
  }

  .intro-grid,
  .section-heading,
  .standards-inner,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .metrics,
  .service-grid,
  .journal-grid {
    grid-template-columns: 1fr;
  }

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

  .brand-gallery-grid {
    grid-template-columns: 1fr;
  }

  .service-steps {
    grid-template-columns: 1fr;
  }

  .work-card.large {
    grid-column: span 2;
    min-height: 440px;
  }

  .brand-gallery-card.large {
    grid-row: auto;
    min-height: 360px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 88px;
    padding: 16px 18px;
  }

  .brand img {
    width: 96px;
  }

  .main-nav {
    gap: 16px;
    font-size: 13px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    width: calc(100% - 36px);
    margin-left: 18px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    width: min(280px, 100%);
  }

  .hero-note {
    left: 18px;
    right: auto;
    bottom: 24px;
  }

  .section {
    padding: 66px 18px;
  }

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

  .work-card,
  .work-card.large {
    grid-column: auto;
    min-height: 330px;
  }

  .brand-gallery-card,
  .brand-gallery-card.large {
    min-height: 280px;
  }

  .standard-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .site-footer {
    display: grid;
  }

  .site-footer p {
    align-self: auto;
  }
}

.brand-mark { font-size: 25px; font-weight: 600; }
.brand-text { font-family: Arial, sans-serif; font-size: 12px; letter-spacing: .18em; color: var(--sun); }
@media (max-width: 640px) { .brand-mark { font-size: 22px; } }

.brand-logo { width: 132px; height: auto; object-fit: contain; display: block; }
@media (max-width: 640px) { .brand-logo { width: 112px; } }
.work-card > a { display: block; width: 100%; height: 100%; color: inherit; }
.work-card > a > div { position: absolute; left: 24px; right: 24px; bottom: 22px; z-index: 1; color: #fff; }

.sub-header {
  background: rgba(44, 44, 44, .92);
}

.sub-hero {
  min-height: 430px;
  display: grid;
  align-items: end;
  padding: 150px clamp(20px, 5vw, 76px) 70px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(44, 44, 44, .88), rgba(44, 44, 44, .5)),
    url("/template/default/guiting/assets/brand/promo/home-hero.jpg") center / cover;
}

.sub-hero > div {
  width: min(960px, 100%);
  margin: 0 auto;
}

.sub-hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 1.05;
  font-weight: 500;
}

.sub-hero p:not(.eyebrow) {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .74);
  font-size: 17px;
}

.case-filter,
.sub-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1220px;
  margin: 0 auto 34px;
}

.case-filter a,
.sub-nav a {
  padding: 8px 16px;
  border: 1px solid var(--lime-grey);
  color: rgba(44, 44, 44, .76);
  font-size: 14px;
}

.case-filter a.active,
.sub-nav a.active,
.case-filter a:hover,
.sub-nav a:hover {
  border-color: var(--sun);
  background: var(--sun);
  color: var(--charcoal);
}

.case-grid,
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1220px;
  margin: 0 auto;
}

.case-card,
.article-card {
  background: rgba(232, 226, 218, .48);
  border: 1px solid rgba(201, 195, 188, .8);
}

.case-card a,
.article-card a {
  display: grid;
  height: 100%;
  color: inherit;
}

.case-card-media,
.article-card-media {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--lime-grey);
}

.case-card-media img,
.article-card-media img {
  transition: transform .45s ease;
}

.case-card:hover img,
.article-card:hover img {
  transform: scale(1.04);
}

.case-card-body,
.article-card-body {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.case-card-body small,
.article-card-body small,
.article-date {
  color: var(--sun);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.case-card-body strong,
.article-card-body strong {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.35;
}

.article-card-body p {
  margin: 0;
  color: var(--ink-soft);
}

.page-wrap {
  max-width: 1220px;
  margin: 46px auto 0;
}

.yema {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.yema a,
.yema span {
  min-width: 38px;
  padding: 8px 12px;
  border: 1px solid var(--lime-grey);
  color: var(--charcoal);
  text-align: center;
}

.content-shell,
.article-shell {
  max-width: 980px;
  margin: 0 auto;
}

.content-panel,
.article-panel,
.case-content,
.case-aside,
.contact-card {
  background: rgba(232, 226, 218, .5);
  border: 1px solid rgba(201, 195, 188, .82);
  padding: clamp(28px, 5vw, 58px);
}

.rich-text,
.rich-text p,
.article-panel p {
  color: rgba(44, 44, 44, .78);
  font-size: 17px;
}

.rich-text img,
.article-panel img,
.case-content img {
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 22px 0;
}

.about-brand-copy {
  display: grid;
  gap: 22px;
}

.about-brand-copy .lead {
  color: var(--charcoal);
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.55;
}

.about-brand-copy h3 {
  margin: 20px 0 0;
  padding-top: 26px;
  border-top: 1px solid rgba(201, 195, 188, .78);
  color: var(--charcoal);
  font-size: 22px;
}

.about-brand-copy p {
  margin: 0;
  color: rgba(44, 44, 44, .76);
  font-size: 17px;
  line-height: 2;
}

.service-system-copy {
  display: grid;
  gap: 26px;
}

.service-system-copy .lead {
  color: var(--charcoal);
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.55;
}

.service-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 12px 0;
}

.service-steps article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgba(201, 195, 188, .86);
  background: rgba(255, 255, 255, .28);
}

.service-steps span {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--sun);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.service-steps h3,
.service-system-copy h3 {
  margin: 0 0 12px;
  color: var(--charcoal);
  font-size: 22px;
}

.service-steps p,
.service-system-copy p {
  margin: 0;
  color: rgba(44, 44, 44, .76);
  font-size: 16px;
  line-height: 1.9;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 18px 0 32px;
  color: var(--ink-soft);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.prev-next {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 38px;
  padding-top: 24px;
  border-top: 1px solid rgba(44, 44, 44, .16);
}

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

.case-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  max-width: 1220px;
  margin: 0 auto;
  align-items: start;
}

.case-gallery {
  display: grid;
  gap: 18px;
}

.case-gallery figure {
  margin: 0;
  background: var(--lime-grey);
}

.case-gallery img {
  height: auto;
}

.case-meta {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px 18px;
  margin: 28px 0;
  color: var(--ink-soft);
}

.case-meta strong {
  color: var(--charcoal);
  font-weight: 500;
}

.dark-button {
  color: var(--charcoal);
}

.case-content,
.related-cases {
  max-width: 1220px;
  margin: 46px auto 0;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1220px;
  margin: 0 auto;
}

.contact-card {
  min-height: 190px;
  padding: 28px;
}

.contact-card span {
  display: block;
  margin-bottom: 18px;
  color: var(--sun);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.contact-card strong,
.contact-card a {
  color: var(--charcoal);
  font-size: 20px;
  font-weight: 500;
  word-break: break-word;
}

.search-form {
  display: flex;
  max-width: 720px;
  margin: 0 auto 42px;
  border: 1px solid var(--lime-grey);
  background: rgba(232, 226, 218, .5);
}

.search-form input {
  flex: 1;
  min-height: 50px;
  border: 0;
  padding: 0 18px;
  background: transparent;
  color: var(--charcoal);
  font-size: 16px;
}

.search-form button {
  border: 0;
  padding: 0 24px;
  background: var(--sun);
  color: var(--charcoal);
  font-size: 15px;
}

@media (max-width: 980px) {
  .case-grid,
  .article-grid,
  .contact-grid,
  .case-grid.compact {
    grid-template-columns: 1fr 1fr;
  }

  .case-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sub-hero {
    min-height: 360px;
    padding: 132px 18px 54px;
  }

  .case-grid,
  .article-grid,
  .contact-grid,
  .case-grid.compact {
    grid-template-columns: 1fr;
  }

  .prev-next {
    display: grid;
  }
}