:root {
  --ink: #0f1726;
  --muted: #657083;
  --line: #dde4ee;
  --paper: #f6f8fb;
  --panel: #ffffff;
  --ice: #72d4ec;
  --navy: #0d1b2d;
  --green: #85a678;
  --gold: #b68c48;
  --shadow: 0 18px 46px rgba(20, 36, 60, .10);
  --content: min(1120px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.topbar {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(to bottom, rgba(0, 0, 0, .52), rgba(0, 0, 0, 0));
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-home {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .72);
  background: rgba(255, 255, 255, .13);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
  letter-spacing: .02em;
}

.brand small {
  margin-top: 3px;
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
}

.other-venue-link {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border-left: 1px solid rgba(255, 255, 255, .24);
  padding-left: 14px;
  color: rgba(255, 255, 255, .76);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .01em;
}

.other-venue-link:hover {
  color: #fff;
}

.nav {
  display: flex;
  gap: clamp(12px, 3vw, 28px);
  font-size: 13px;
  font-weight: 600;
}

.nav a {
  color: rgba(255, 255, 255, .86);
}

.hero {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  color: #fff;
  background: #071321;
}

.hero-image-link,
.hero-shade {
  position: absolute;
  top: 96px;
  bottom: auto;
  left: calc(50% - var(--content) / 2 + var(--content) * .34);
  height: clamp(280px, 31vw, 370px);
  width: calc(var(--content) * .66);
  overflow: hidden;
}

.hero-image-link {
  display: block;
  background: #08182a;
  box-shadow: 0 28px 80px rgba(12, 28, 48, .24);
}

.hero-image {
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  transition: transform .35s ease;
}

.hero-image-link:hover .hero-image {
  transform: scale(1.015);
}

.hero-shade {
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(4, 14, 28, .96), rgba(4, 14, 28, .58) 48%, rgba(4, 14, 28, .06)),
    linear-gradient(0deg, rgba(4, 14, 28, .42), rgba(4, 14, 28, 0) 58%);
}

.hero-content {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 132px;
  width: var(--content);
  margin: 0 auto;
  padding: 0;
  transform: translateX(-50%);
}

.hero-content > * {
  max-width: min(480px, 40%);
}

.venue-switch {
  display: none;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 16px;
}

.venue-switch a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .45);
  padding: 0 20px;
  color: #fff;
  background: rgba(255, 255, 255, .1);
  cursor: pointer;
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0;
  backdrop-filter: blur(10px);
}

.venue-switch a.is-active {
  color: #10233d;
  background: #fff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--ice);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero h1 {
  margin: 0;
  font-size: clamp(40px, 4.7vw, 60px);
  line-height: 1.02;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy {
  max-width: min(520px, 42%);
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .84);
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.72;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  font-weight: 700;
}

.primary-action {
  color: #0b2438;
  background: #fff;
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, .48);
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

.quick-stats {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 20px;
  display: grid;
  width: var(--content);
  transform: translateX(-50%);
  grid-template-columns: repeat(var(--stat-count, 4), minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(7, 20, 36, .78);
  backdrop-filter: blur(14px);
}

.stat {
  min-height: 78px;
  padding: 15px 18px;
  border-right: 1px solid rgba(255, 255, 255, .16);
}

.stat:last-child {
  border-right: 0;
}

.stat strong,
.stat span {
  display: block;
}

.stat strong {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 760;
}

.stat span {
  margin-top: 6px;
  color: rgba(255, 255, 255, .68);
  font-size: 13px;
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 560px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(34px, 4.6vw, 56px) max(24px, calc((100% - 1120px) / 2));
  background: #fff;
}

.intro-copy {
  max-width: 720px;
}

.intro-copy h2,
.section-heading h2,
.contact-band h2 {
  margin: 0;
  font-size: clamp(27px, 2.9vw, 38px);
  line-height: 1.16;
  letter-spacing: 0;
  font-weight: 780;
  text-wrap: balance;
}

.intro-copy p:last-child,
.contact-band p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  text-wrap: pretty;
}

.intro-media {
  display: block;
}

.intro-media img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.campaign-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: clamp(26px, 4.8vw, 64px);
  align-items: center;
  padding: clamp(34px, 4.8vw, 58px) max(24px, calc((100% - 1120px) / 2));
  color: #eef7ff;
  background:
    linear-gradient(135deg, rgba(10, 29, 48, .98), rgba(13, 35, 57, .94)),
    #0d1b2d;
}

.campaign-copy h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.12;
  font-weight: 780;
  text-wrap: balance;
}

.campaign-copy p:last-of-type {
  max-width: 720px;
  margin: 16px 0 0;
  color: rgba(238, 247, 255, .74);
  font-size: 15px;
  line-height: 1.82;
  text-wrap: pretty;
}

.campaign-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.campaign-tags span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(174, 234, 255, .24);
  padding: 0 12px;
  color: rgba(238, 247, 255, .9);
  background: rgba(255, 255, 255, .055);
  font-size: 13px;
}

.campaign-panel {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .055);
  box-shadow: 0 26px 64px rgba(3, 10, 18, .22);
}

.campaign-image img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.campaign-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 0;
  padding: 1px 0 0;
  list-style: none;
  background: rgba(255, 255, 255, .12);
}

.campaign-points li {
  min-height: 94px;
  padding: 16px;
  background: rgba(7, 20, 36, .72);
}

.campaign-points strong,
.campaign-points span {
  display: block;
}

.campaign-points strong {
  color: #fff;
  font-size: 20px;
  line-height: 1.18;
  font-weight: 780;
}

.campaign-points span {
  margin-top: 8px;
  color: rgba(238, 247, 255, .66);
  font-size: 13px;
  line-height: 1.42;
}

.section {
  padding: clamp(34px, 5vw, 62px) max(24px, calc((100% - 1120px) / 2));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.space-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.space-card:last-child:nth-child(odd) {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
}

.space-card:last-child:nth-child(odd) .space-media {
  min-height: 100%;
}

.space-card:last-child:nth-child(odd) .space-figure img {
  aspect-ratio: auto;
}

.space-card:last-child:nth-child(odd).has-plan-inset .space-body {
  min-height: 0;
}

.space-card,
.case-card {
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
  border: 1px solid rgba(221, 228, 238, .72);
}

.space-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}

.space-media.is-single {
  grid-template-columns: 1fr;
}

.space-figure {
  position: relative;
  min-width: 0;
  margin: 0;
  background: #f7f9fc;
}

.space-figure img {
  aspect-ratio: 16 / 10;
  height: 100%;
}

.space-figure a {
  display: block;
  height: 100%;
}

.space-figure.is-plan img {
  object-fit: contain;
  padding: 10px;
}

.space-figure.is-scene img {
  object-fit: cover;
}

.space-figure figcaption {
  position: absolute;
  left: 11px;
  bottom: 9px;
  padding: 0;
  color: #fff;
  background: transparent;
  font-size: 11px;
  font-weight: 760;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .72), 0 0 1px rgba(0, 0, 0, .8);
}

.space-body {
  position: relative;
  padding: 16px 18px;
}

.has-plan-inset .space-body {
  min-height: 218px;
  padding-right: 176px;
}

.space-body h3,
.case-body h3 {
  margin: 0;
  color: #121b2c;
  font-size: 18px;
  line-height: 1.32;
  font-weight: 780;
  text-wrap: balance;
}

.fact-list {
  display: grid;
  gap: 5px;
  margin: 10px 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  position: relative;
  padding-left: 18px;
  color: #2d3748;
  font-size: 13px;
  line-height: 1.42;
}

.fact-list li::before {
  content: "";
  position: absolute;
  top: .68em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--green);
}

.space-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.58;
  text-wrap: pretty;
}

.plan-inset {
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 136px;
  margin: 0;
}

.plan-inset-link {
  border: 1px solid var(--line);
  background: #f8fafc;
  box-shadow: 0 10px 26px rgba(20, 36, 60, .08);
}

.plan-inset img {
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 6px;
}

.split {
  color: #fff;
  background: var(--navy);
}

.split .section-kicker {
  color: #aeeaff;
}

.format-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.format-chip {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 0 16px;
  color: rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .08);
}

.evidence {
  background: #eef3f7;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.case-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.case-body {
  min-height: 112px;
  padding: 17px;
  border-top: 3px solid var(--green);
}

.case-body span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 760;
}

.gallery-section {
  background: #fff;
}

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

.gallery figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #edf2f7;
}

.gallery figure:first-child {
  grid-row: auto;
}

.gallery img {
  aspect-ratio: 4 / 3;
  height: auto;
  min-height: 0;
  object-fit: cover;
}

.gallery figure.is-plan img {
  object-fit: contain;
  padding: 12px;
  background: #f8fafc;
}

.image-link {
  position: relative;
  display: block;
}

.image-link::after {
  content: "点击打开大图";
  position: absolute;
  right: 10px;
  top: 10px;
  z-index: 2;
  padding: 5px 8px;
  color: #fff;
  background: rgba(7, 19, 33, .72);
  font-size: 12px;
  opacity: 0;
  transform: translateY(-4px);
  transition: .22s ease;
}

.image-link:hover::after {
  opacity: 1;
  transform: none;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(3, 10, 18, .9);
  cursor: zoom-out;
}

.image-lightbox.is-open {
  display: flex;
}

.image-lightbox img {
  max-width: min(94vw, 1800px);
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .45);
}

.image-lightbox button {
  position: fixed;
  top: 18px;
  right: 22px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  background: rgba(255, 255, 255, .1);
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
}

body.has-lightbox {
  overflow: hidden;
}

.gallery figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 0;
  color: #fff;
  background: transparent;
  font-size: 12px;
  font-weight: 760;
  text-shadow: 0 1px 9px rgba(0, 0, 0, .74), 0 0 1px rgba(0, 0, 0, .82);
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 32px;
  align-items: center;
  padding: clamp(42px, 6vw, 72px) max(24px, calc((100% - 1120px) / 2));
  color: #fff;
  background: #172133;
}

.contact-panel {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 24px;
  background: rgba(255, 255, 255, .07);
}

.contact-panel img {
  width: 104px;
  height: 104px;
  object-fit: contain;
  background: #fff;
  padding: 5px;
}

.contact-panel a {
  color: #fff;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.contact-panel span {
  color: rgba(255, 255, 255, .68);
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding: 22px clamp(18px, 5vw, 72px);
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (max-width: 980px) {
  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-band,
  .campaign-band,
  .contact-band {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 680px) {
  :root {
    --content: calc(100% - 32px);
  }

  .topbar {
    position: absolute;
    align-items: flex-start;
    padding: 18px 16px;
    background: linear-gradient(to bottom, rgba(2, 9, 18, .7), rgba(2, 9, 18, 0));
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

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

  .brand small {
    font-size: 11px;
  }

  .other-venue-link {
    min-height: 30px;
    max-width: 138px;
    padding-left: 10px;
    font-size: 11px;
    line-height: 1.2;
    white-space: normal;
  }

  .nav {
    display: none;
  }

  .hero {
    display: block;
    min-height: 0;
    padding: 0 16px 16px;
  }

  .hero-image-link,
  .hero-shade {
    position: relative;
    top: auto;
    left: auto;
    height: 260px;
    margin: 0 -16px;
    width: calc(100% + 32px);
    transform: none;
  }

  .hero-image {
    object-position: center center !important;
  }

  .hero-shade {
    display: none;
  }

  .hero-content {
    position: static;
    width: 100%;
    margin-top: 16px;
    padding: 0;
    transform: none;
  }

  .hero-content > *,
  .hero-copy {
    max-width: 100%;
  }

  .eyebrow,
  .section-kicker {
    margin-bottom: 8px;
    font-size: 11px;
  }

  .hero h1 {
    font-size: clamp(32px, 9.8vw, 42px);
    line-height: 1.08;
  }

  .hero-copy {
    max-width: 100%;
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.68;
  }

  .hero-actions {
    margin-top: 15px;
  }

  .primary-action,
  .secondary-action {
    min-height: 40px;
    padding: 0 14px;
    font-size: 13px;
  }

  .quick-stats {
    position: static;
    width: 100%;
    margin-top: 16px;
    transform: none;
    grid-template-columns: repeat(var(--stat-count, 3), minmax(0, 1fr));
  }

  .stat {
    min-height: 60px;
    padding: 10px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, .16);
  }

  .stat {
    border-right: 0;
  }

  .stat + .stat {
    border-left: 1px solid rgba(255, 255, 255, .16);
  }

  .stat strong {
    font-size: 18px;
  }

  .stat span {
    margin-top: 4px;
    font-size: 11px;
  }

  .intro-band,
  .campaign-band,
  .section,
  .contact-band {
    padding-left: 16px;
    padding-right: 16px;
  }

  .intro-band,
  .campaign-band {
    gap: 22px;
    padding-top: 24px;
    padding-bottom: 34px;
  }

  .campaign-copy h2 {
    font-size: clamp(27px, 8vw, 34px);
    line-height: 1.16;
  }

  .campaign-copy p:last-of-type {
    margin-top: 12px;
    font-size: 13.5px;
    line-height: 1.76;
  }

  .campaign-tags {
    margin-top: 16px;
  }

  .campaign-panel {
    box-shadow: 0 16px 34px rgba(3, 10, 18, .16);
  }

  .campaign-points li {
    min-height: 82px;
    padding: 13px;
  }

  .campaign-points strong {
    font-size: 17px;
  }

  .campaign-points span {
    font-size: 12px;
  }

  .section {
    padding-top: 30px;
    padding-bottom: 36px;
  }

  .section-heading {
    margin-bottom: 18px;
  }

  .space-grid,
  .case-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .space-card:last-child:nth-child(odd) {
    display: block;
    grid-column: auto;
  }

  .space-card:last-child:nth-child(odd) .space-figure img {
    aspect-ratio: 16 / 10;
  }

  .space-media {
    grid-template-columns: 1fr;
  }

  .has-plan-inset .space-media {
    grid-template-columns: 1fr 1fr;
  }

  .has-plan-inset .space-media.is-single {
    grid-template-columns: 1fr;
  }

  .has-plan-inset .space-body {
    display: grid;
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) 116px;
    column-gap: 14px;
    align-items: start;
    padding: 16px;
  }

  .plan-inset {
    position: static;
    grid-column: 2;
    grid-row: 2;
    width: 116px;
    margin: 2px 0 0;
    justify-self: end;
  }

  .has-plan-inset .space-body h3,
  .has-plan-inset .space-body p {
    grid-column: 1 / -1;
  }

  .has-plan-inset .fact-list {
    grid-column: 1;
  }

  .space-body h3,
  .case-body h3 {
    font-size: 18px;
  }

  .fact-list {
    gap: 5px;
    margin: 9px 0;
  }

  .fact-list li,
  .space-body p {
    font-size: 13px;
    line-height: 1.48;
  }

  .plan-inset img {
    padding: 5px;
  }

  .gallery figure:first-child {
    grid-row: auto;
  }

  .intro-copy h2,
  .section-heading h2,
  .contact-band h2 {
    font-size: clamp(27px, 8vw, 34px);
    line-height: 1.16;
  }

  .intro-copy p:last-child,
  .contact-band p {
    font-size: 13.5px;
    line-height: 1.76;
  }

  .contact-panel {
    grid-template-columns: 82px minmax(0, 1fr);
    padding: 18px;
  }

  .contact-panel img {
    width: 82px;
    height: 82px;
  }
}
