:root {
  --navy: #0a2342;
  --navy-deep: #061628;
  --navy-mid: #163a63;
  --gold: #b8954a;
  --gold-soft: #e8d7a8;
  --paper: #eef1f6;
  --ink: #132033;
  --mute: #5c6b7e;
  --line: #c5cedb;
  --seal: #a33b2f;
  --white: #ffffff;
  --font-display: "Songti SC", "STSong", "SimSun", "Palatino Linotype", serif;
  --font-body: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  --font-mono: "Consolas", "Microsoft YaHei", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    linear-gradient(180deg, #d9e2ef 0%, var(--paper) 28%, #f7f8fb 100%);
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }

.gov-ribbon {
  background: var(--navy-deep);
  color: var(--gold-soft);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-align: center;
  padding: 0.45rem 1rem;
  font-family: var(--font-mono);
}
.gov-mast {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  border-bottom: 4px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 50;
}
.gov-mast-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.brand-seal {
  width: 46px;
  height: 46px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  box-shadow: inset 0 0 0 3px rgba(184, 149, 74, 0.25);
}
.brand b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.08em;
}
.brand small {
  display: block;
  opacity: 0.75;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}
.nav { display: flex; flex-wrap: wrap; gap: 0.2rem 1.1rem; }
.nav a {
  color: rgba(255,255,255,0.78);
  font-size: 0.92rem;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}
.nav a.on, .nav a:hover {
  color: var(--gold-soft);
  border-color: var(--gold);
}
.gov-cta {
  padding: 0.55rem 1rem;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.gov-cta:hover { background: rgba(184,149,74,0.15); }

.hero-gov {
  padding: 2.2rem 0 1rem;
}
.hero-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(6, 22, 40, 0.1);
  position: relative;
}
.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.hero-panel::before { top: 8px; }
.hero-panel::after { bottom: 8px; }
.hero-copy {
  padding: 2rem 1.8rem 2rem 2rem;
  border-right: 1px solid var(--line);
}
.badge {
  display: inline-block;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--gold);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  background: linear-gradient(180deg, #fff8e8, #f3e6c4);
}
.hero-copy h1 {
  margin: 0.9rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.85rem);
  color: var(--navy);
  letter-spacing: 0.06em;
  line-height: 1.25;
}
.lead {
  margin: 0 0 1.2rem;
  color: var(--mute);
  font-size: 1.02rem;
  max-width: 34rem;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  min-height: 46px;
  padding: 0.7rem 1.15rem;
  font-weight: 700;
  white-space: nowrap;
  word-break: keep-all;
  writing-mode: horizontal-tb;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-fill {
  background: var(--navy);
  color: var(--white);
  border: 1px solid var(--navy);
}
.btn-fill:hover { background: var(--navy-mid); }
.btn-line {
  background: var(--white);
  color: var(--navy);
  border: 1px solid var(--navy);
}
.btn-gold {
  background: linear-gradient(180deg, #d4b56a, var(--gold));
  color: var(--navy-deep);
  border: 1px solid #9a7a35;
}
.req {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}
.req p {
  margin: 0;
  padding: 0.7rem 0.8rem;
  background: var(--paper);
  border-left: 3px solid var(--gold);
  font-size: 0.88rem;
  color: var(--mute);
}
.req b {
  display: block;
  color: var(--navy);
  margin-bottom: 0.12rem;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}
.hero-media {
  align-self: center;
  margin: 0;
  padding: 1.2rem;
  height: auto;
  overflow: visible;
  background: linear-gradient(160deg, #f5f7fb, #e4ebf5);
}
.frame-gov {
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 8px 24px rgba(6, 22, 40, 0.08);
}
.frame-gov img,
.hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  margin: 0;
  padding: 0;
  min-height: 0;
  max-height: none;
  clip-path: none;
  transform: none;
}

.sec { padding: 3.2rem 0; }
.sec-h {
  margin-bottom: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px solid var(--navy);
  position: relative;
}
.sec-h::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 96px;
  height: 2px;
  background: var(--gold);
}
.k {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}
.sec-h h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  color: var(--navy);
  letter-spacing: 0.08em;
}
.sec-h p { margin: 0; color: var(--mute); max-width: 42rem; }

.hall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--navy);
  background: var(--white);
}
.window {
  padding: 1.25rem 1.1rem 1.2rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-height: 100%;
}
.window:last-child { border-right: 0; }
.window .os {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--navy);
  letter-spacing: 0.08em;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--gold-soft);
}
.window .meta {
  margin: 0;
  color: var(--mute);
  font-size: 0.9rem;
}
.window .meta b { color: var(--ink); }
.window .btn { margin-top: auto; width: 100%; }

.matrix {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--navy);
}
.feat {
  background: var(--white);
  padding: 1.2rem 1rem;
}
.feat .ico {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 0.7rem;
  border: 1px solid var(--gold);
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  background: #f8f1de;
}
.feat h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  color: var(--navy);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}
.feat p {
  margin: 0;
  color: var(--mute);
  font-size: 0.88rem;
}

.solution {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.2rem;
  align-items: stretch;
}
.solution-copy {
  background: var(--navy);
  color: rgba(255,255,255,0.86);
  padding: 1.7rem 1.5rem;
  border-top: 4px solid var(--gold);
}
.solution-copy .k { color: var(--gold-soft); }
.solution-copy h2 {
  margin: 0.35rem 0 0.75rem;
  font-family: var(--font-display);
  color: #fff;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  letter-spacing: 0.08em;
}
.solution-copy p { margin: 0 0 0.85rem; }
.gallery {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  grid-template-rows: auto auto;
  gap: 0.75rem;
}
.gallery .frame-gov:first-child { grid-row: 1 / span 2; }
.gallery img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.trust {
  text-align: center;
  padding: 2rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--navy);
  position: relative;
}
.trust::before {
  content: "政企协同信任背书";
  position: absolute;
  top: -0.7rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 0.8rem;
  color: var(--navy);
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  font-size: 0.86rem;
}
.trust .big {
  margin: 0.5rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.4rem);
  color: var(--navy);
  letter-spacing: 0.04em;
}
.trust .big em {
  font-style: normal;
  color: var(--seal);
}
.brands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 1rem;
}
.brands span {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.9rem;
}

.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.1rem;
}
.news, .help-box {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.2rem;
}
.news article {
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--line);
}
.news article:last-child { border-bottom: 0; }
.news time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  margin-bottom: 0.2rem;
}
.news h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: var(--navy);
  font-family: var(--font-display);
}
.news p { margin: 0; color: var(--mute); font-size: 0.9rem; }
.help-box details {
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--line);
}
.help-box details:last-child { border-bottom: 0; }
.help-box summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
}
.help-box p {
  margin: 0.4rem 0 0;
  color: var(--mute);
  font-size: 0.9rem;
}

.cta-band {
  margin: 1rem 0 2.4rem;
  padding: 1.7rem;
  background:
    linear-gradient(135deg, var(--navy-deep), var(--navy-mid));
  color: #fff;
  border-top: 4px solid var(--gold);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.2rem;
  align-items: center;
}
.cta-band h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  letter-spacing: 0.06em;
}
.cta-band p { margin: 0 0 1rem; color: rgba(255,255,255,0.8); }
.gains {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.gains li {
  list-style: none;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(184,149,74,0.35);
  background: rgba(255,255,255,0.05);
  font-size: 0.92rem;
}

.page-hero { padding: 2rem 0 0.4rem; }
.page-hero .hero-panel { grid-template-columns: 1fr 0.9fr; }

.foot {
  padding: 1.3rem 0 2rem;
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
}
.foot a { color: var(--gold-soft); font-weight: 600; }

@media (max-width: 980px) {
  .hero-panel,
  .page-hero .hero-panel,
  .solution,
  .split,
  .cta-band { grid-template-columns: 1fr; }
  .hero-copy { border-right: 0; border-bottom: 1px solid var(--line); }
  .hall { grid-template-columns: 1fr 1fr; }
  .window, .window:nth-child(2) { border-bottom: 1px solid var(--line); }
  .window:nth-child(2), .window:nth-child(4) { border-right: 0; }
  .matrix { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .gallery .frame-gov:first-child { grid-row: auto; }
  .nav { display: none; }
}
@media (max-width: 640px) {
  .hall, .matrix, .req { grid-template-columns: 1fr; }
  .window { border-right: 0; border-bottom: 1px solid var(--line); }
  .window:last-child { border-bottom: 0; }
  .actions { flex-direction: column; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover { transform: none; }
}

/* Hero final overrides */
.hero-gov .hero-panel,
.page-hero .hero-panel { align-items: center; }
.hero-media,
.frame-gov {
  align-self: center;
  height: auto;
  margin-top: 0;
  margin-bottom: 0;
  overflow: visible;
}
.hero-media img,
.frame-gov img {
  display: block !important;
  width: 100% !important;
  height: auto !important;
  object-fit: contain !important;
  object-position: center !important;
  margin: 0 !important;
  padding: 0 !important;
  min-height: 0 !important;
  max-height: none !important;
  clip-path: none !important;
  transform: none !important;
}
.btn {
  white-space: nowrap !important;
  word-break: keep-all !important;
  writing-mode: horizontal-tb !important;
}