/* ============== 基础重置 ============== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* 颜色 */
  --ink: #0F0F0F;
  --ink-soft: #1A1A1A;
  --cream: #FAF7F2;
  --cream-2: #F2EDE4;
  --paper: #FFFFFF;
  --line: #E6DED0;
  --line-2: #C7BDA8;
  --muted: #6B6256;
  --muted-2: #8A8275;
  --gold: #B89968;
  --gold-dark: #8C6F44;
  --it-green: #008C45;
  --it-red: #CD212A;
  --shadow-sm: 0 2px 8px rgba(20, 16, 8, 0.06);
  --shadow-md: 0 12px 32px rgba(20, 16, 8, 0.08);
  --shadow-lg: 0 24px 60px rgba(20, 16, 8, 0.12);

  /* 字体 */
  --font-display: "Playfair Display", "Noto Serif SC", "Times New Roman", serif;
  --font-italic: "Cormorant Garamond", "Playfair Display", serif;
  --font-body: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-cn: "Noto Serif SC", "Songti SC", "SimSun", serif;

  /* 尺寸 */
  --maxw: 1280px;
  --rad-sm: 4px;
  --rad-md: 8px;
  --rad-lg: 16px;
  --rad-xl: 24px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

/* ============== 通用排版 ============== */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

.section { padding: 120px 0; position: relative; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 64px; }
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 20px;
  position: relative;
  padding: 0 28px;
}
.section-eyebrow::before, .section-eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 20px;
  height: 1px;
  background: var(--line-2);
}
.section-eyebrow::before { left: 0; }
.section-eyebrow::after { right: 0; }
.section-eyebrow.light { color: var(--gold); }
.section-eyebrow.light::before, .section-eyebrow.light::after { background: rgba(184, 153, 104, 0.5); }

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.section-title em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 500;
  color: var(--it-green);
}
.section-title.light { color: var(--cream); }
.section-title.light em { color: var(--gold); }

.section-sub {
  margin-top: 18px;
  font-family: var(--font-cn);
  font-size: 16px;
  color: var(--muted);
  line-height: 1.9;
}
.section-sub.light { color: rgba(250, 247, 242, 0.7); }

/* ============== 按钮 ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--cream);
  border: 1px solid var(--ink);
}
.btn-primary:hover {
  background: var(--it-green);
  border-color: var(--it-green);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 140, 69, 0.25);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  transform: translateY(-2px);
}

/* ============== Hero / 导航一体 ============== */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--ink);
  color: var(--cream);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding-top: 88px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(250, 247, 242, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250, 247, 242, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 140, 69, 0.18), transparent 60%);
  filter: blur(60px);
}
.hero-flag-stripe {
  position: absolute;
  left: 0; right: 0;
  height: 4px;
  opacity: 0.55;
}
.stripe-green { top: 28%; background: var(--it-green); }
.stripe-white { top: calc(28% + 4px); background: rgba(250, 247, 242, 0.9); }
.stripe-red { top: calc(28% + 8px); background: var(--it-red); }

/* 导航 */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(15, 15, 15, 0.7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(250, 247, 242, 0.06);
  transition: all 0.3s;
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cream);
  transition: opacity 0.3s;
}
.logo:hover { opacity: 0.85; }
.logo .trademark {
  font-size: 0.55em;
  color: var(--gold);
  margin-left: 2px;
  vertical-align: super;
}
.logo-divider {
  color: var(--gold);
  font-weight: 300;
  opacity: 0.7;
}
.logo-text {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 500;
  font-size: 16px;
  color: var(--cream-2);
  letter-spacing: 0.04em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-menu a {
  position: relative;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: rgba(250, 247, 242, 0.75);
  padding: 6px 0;
  transition: color 0.3s;
}
.nav-menu a:hover { color: var(--cream); }
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-menu a:hover::after { width: 100%; }

.nav-cta {
  color: var(--ink) !important;
  background: var(--gold);
  padding: 10px 22px !important;
  border-radius: 999px;
  font-weight: 500;
}
.nav-cta:hover {
  background: var(--cream) !important;
  color: var(--ink) !important;
}
.nav-cta::after { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--cream);
  transition: 0.3s;
}

/* Hero 内容 */
.hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px 32px 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 36px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--it-green);
  box-shadow: 0 0 0 4px rgba(0, 140, 69, 0.18);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0, 140, 69, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(0, 140, 69, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6.6vw, 92px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
}
.title-line { display: block; }
.title-italic {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 500;
  color: var(--gold);
  font-size: 0.55em;
  letter-spacing: 0.01em;
  margin-top: 6px;
}
.title-sub {
  display: block;
  font-family: var(--font-cn);
  font-size: 0.28em;
  font-weight: 500;
  color: rgba(250, 247, 242, 0.7);
  letter-spacing: 0.2em;
  margin-top: 24px;
}

.hero-desc {
  font-family: var(--font-cn);
  font-size: 17px;
  line-height: 1.95;
  color: rgba(250, 247, 242, 0.75);
  max-width: 720px;
  margin-bottom: 44px;
}
.hero-link {
  color: var(--gold);
  border-bottom: 1px dashed var(--gold);
  transition: color 0.3s;
}
.hero-link:hover { color: var(--cream); }

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.hero-actions .btn-primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}
.hero-actions .btn-primary:hover {
  background: var(--cream);
  border-color: var(--cream);
}
.hero-actions .btn-ghost {
  color: var(--cream);
  border-color: rgba(250, 247, 242, 0.3);
}
.hero-actions .btn-ghost:hover {
  background: var(--cream);
  color: var(--ink);
  border-color: var(--cream);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid rgba(250, 247, 242, 0.1);
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  color: var(--cream);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num sup { font-size: 0.5em; color: var(--gold); margin-left: 2px; vertical-align: super; }
.stat-label {
  font-family: var(--font-cn);
  font-size: 13px;
  color: rgba(250, 247, 242, 0.55);
  letter-spacing: 0.1em;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 1.5px solid rgba(250, 247, 242, 0.3);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  z-index: 2;
}
.hero-scroll span {
  width: 3px; height: 8px;
  background: var(--gold);
  border-radius: 2px;
  margin-top: 8px;
  animation: scrollHint 1.6s infinite;
}
@keyframes scrollHint {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ============== 服务 ============== */
.section-services { background: var(--cream); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  background: var(--paper);
  padding: 48px 44px;
  border-radius: var(--rad-lg);
  border: 1px solid var(--line);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--it-green);
  transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { height: 100%; }

.service-no {
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 14px;
  color: var(--gold-dark);
  letter-spacing: 0.3em;
  margin-bottom: 24px;
}
.service-icon {
  width: 72px; height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cream-2);
  color: var(--it-green);
  margin-bottom: 28px;
  transition: all 0.4s;
}
.service-card:hover .service-icon {
  background: var(--it-green);
  color: var(--cream);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}
.service-card p {
  font-family: var(--font-cn);
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 20px;
}
.service-list {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-bottom: 22px;
}
.service-list li {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--ink-soft);
  padding: 6px 0 6px 20px;
  position: relative;
}
.service-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--it-green);
  font-size: 11px;
  top: 8px;
}
.service-more {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: all 0.3s;
}
.service-more:hover { color: var(--it-green); border-color: var(--it-green); }

/* ============== 优势 ============== */
.section-advantages {
  background: var(--ink);
  color: var(--cream);
}
.section-advantages .section-title { color: var(--cream); }
.section-advantages .section-sub { color: rgba(250, 247, 242, 0.65); }

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(250, 247, 242, 0.08);
  border: 1px solid rgba(250, 247, 242, 0.08);
}
.advantage {
  background: var(--ink);
  padding: 48px 40px;
  transition: background 0.4s;
}
.advantage:hover { background: #161616; }
.advantage-num {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 0.3em;
  margin-bottom: 20px;
}
.advantage h3 {
  font-family: var(--font-cn);
  font-size: 20px;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 14px;
}
.advantage p {
  font-family: var(--font-cn);
  font-size: 14px;
  color: rgba(250, 247, 242, 0.6);
  line-height: 1.9;
}

/* ============== 行业 ============== */
.section-industries { background: var(--cream-2); }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.industry-card {
  background: var(--paper);
  padding: 36px 28px;
  border-radius: var(--rad-md);
  border: 1px solid var(--line);
  text-align: left;
  transition: all 0.4s;
  display: block;
}
.industry-card:hover {
  transform: translateY(-4px);
  border-color: var(--it-green);
  box-shadow: var(--shadow-md);
}
.industry-icon {
  display: block;
  font-size: 32px;
  margin-bottom: 16px;
}
.industry-card h4 {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.industry-card p {
  font-family: var(--font-cn);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============== 流程 ============== */
.section-process { background: var(--cream); }

.process-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
  position: relative;
}
.process-step {
  background: var(--paper);
  padding: 40px 32px;
  border-radius: var(--rad-md);
  border: 1px solid var(--line);
  position: relative;
  transition: all 0.3s;
}
.process-step:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}
.process-num {
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 14px;
  color: var(--it-green);
  letter-spacing: 0.3em;
  margin-bottom: 16px;
}
.process-step h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}
.process-step p {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
}

/* ============== FAQ ============== */
.section-faq { background: var(--cream-2); }

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--rad-md);
  overflow: hidden;
  transition: all 0.3s;
}
.faq-item:hover { border-color: var(--line-2); }
.faq-item.active { border-color: var(--it-green); box-shadow: var(--shadow-sm); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px;
  text-align: left;
  font-family: var(--font-cn);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.3s;
}
.faq-q:hover { color: var(--it-green); }
.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  position: relative;
  transition: all 0.3s;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--line-2);
  transition: all 0.3s;
}
.faq-icon::before {
  top: 50%; left: 7px; right: 7px;
  height: 1.5px;
  transform: translateY(-50%);
}
.faq-icon::after {
  top: 7px; bottom: 7px; left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}
.faq-item.active .faq-icon { background: var(--it-green); border-color: var(--it-green); }
.faq-item.active .faq-icon::before, .faq-item.active .faq-icon::after { background: var(--cream); }
.faq-item.active .faq-icon::after { transform: translateX(-50%) scaleY(0); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-a p {
  padding: 0 28px 28px;
  font-family: var(--font-cn);
  font-size: 15px;
  color: var(--muted);
  line-height: 1.95;
}

/* ============== 关于 ============== */
.section-about { background: var(--cream); }

.about-wrap {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}

.about-photo { position: sticky; top: 120px; }
.photo-frame {
  position: relative;
  border-radius: var(--rad-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.photo-frame img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.95);
}
.photo-corner {
  position: absolute;
  width: 24px; height: 24px;
  border: 2px solid var(--gold);
}
.photo-corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.photo-corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.photo-corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.photo-corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.photo-caption {
  margin-top: 20px;
  text-align: center;
}
.photo-name {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}
.photo-role {
  display: block;
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 14px;
  color: var(--gold-dark);
  letter-spacing: 0.05em;
}

.about-content .section-title { text-align: left; }
.about-lead {
  font-family: var(--font-cn);
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 2;
  margin: 24px 0 40px;
  padding-left: 20px;
  border-left: 3px solid var(--it-green);
}

.about-points { display: flex; flex-direction: column; gap: 22px; }
.about-point {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--line);
}
.about-point:last-child { border-bottom: 0; padding-bottom: 0; }
.point-year {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--it-green);
  line-height: 1;
}
.about-point h4 {
  font-family: var(--font-cn);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.about-point p {
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
}

.about-quote {
  margin-top: 40px;
  padding: 32px;
  background: var(--cream-2);
  border-radius: var(--rad-md);
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 18px;
  line-height: 1.8;
  color: var(--ink-soft);
  position: relative;
}
.about-quote cite {
  display: block;
  margin-top: 16px;
  font-family: var(--font-cn);
  font-style: normal;
  font-size: 13px;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
}

/* ============== 联系 ============== */
.section-contact {
  background: var(--ink);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}
.section-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0, 140, 69, 0.15), transparent 50%);
  pointer-events: none;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
}

.contact-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid rgba(250, 247, 242, 0.1);
}
.ci-label {
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.ci-value {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--cream);
  font-weight: 500;
  transition: color 0.3s;
}
.ci-value:hover { color: var(--gold); }

.contact-qr { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.qr-card {
  background: var(--cream);
  padding: 24px;
  border-radius: var(--rad-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.qr-card::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid var(--gold);
  border-radius: calc(var(--rad-lg) + 8px);
  pointer-events: none;
  opacity: 0.4;
}
.qr-card img {
  width: 220px;
  height: 220px;
  margin: 0 auto;
  border-radius: var(--rad-sm);
}
.qr-text {
  margin-top: 18px;
}
.qr-text strong {
  display: block;
  font-family: var(--font-cn);
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 4px;
}
.qr-text span {
  display: block;
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 13px;
  color: var(--muted);
}
.qr-meta {
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 14px;
  color: rgba(250, 247, 242, 0.6);
  letter-spacing: 0.1em;
}

/* ============== 更多服务矩阵 ============== */
.section-services-matrix { background: var(--cream-2); }

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.matrix-item {
  display: block;
  background: var(--paper);
  padding: 18px 16px;
  border-radius: var(--rad-sm);
  border: 1px solid var(--line);
  font-family: var(--font-cn);
  font-size: 14px;
  color: var(--ink-soft);
  text-align: center;
  transition: all 0.3s;
  line-height: 1.4;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.matrix-item:hover {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  transform: translateY(-2px);
}

/* ============== 底部 ============== */
.footer {
  background: var(--ink);
  color: var(--cream);
  padding-top: 80px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 80px;
  padding-bottom: 60px;
}
.logo-light .logo-text { color: rgba(250, 247, 242, 0.7); }
.footer-desc {
  margin: 24px 0;
  font-family: var(--font-cn);
  font-size: 14px;
  color: rgba(250, 247, 242, 0.6);
  line-height: 1.95;
  max-width: 480px;
}
.footer-contact-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-cn);
  font-size: 14px;
  color: rgba(250, 247, 242, 0.7);
}
.footer-contact-mini a { transition: color 0.3s; }
.footer-contact-mini a:hover { color: var(--gold); }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer-col h5 {
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.footer-col a {
  display: block;
  font-family: var(--font-cn);
  font-size: 14px;
  color: rgba(250, 247, 242, 0.7);
  padding: 6px 0;
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(250, 247, 242, 0.08);
  padding: 24px 0;
  background: #0a0a0a;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-cn);
  font-size: 13px;
  color: rgba(250, 247, 242, 0.55);
}
.footer-bottom a {
  color: rgba(250, 247, 242, 0.7);
  transition: color 0.3s;
}
.footer-bottom a:hover { color: var(--gold); }
.beian { display: flex; flex-wrap: wrap; gap: 8px; }

/* ============== 悬浮联系 ============== */
.floating-contact {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s;
  pointer-events: none;
}
.floating-contact.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.fc-btn {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all 0.3s;
}
.fc-btn:hover { background: var(--it-green); transform: translateY(-2px); }
.fc-qr:hover { background: var(--gold); }

/* ============== 二维码弹层 ============== */
.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}
.qr-modal[aria-hidden="false"] { display: flex; }
.qr-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}
.qr-modal-content {
  position: relative;
  background: var(--cream);
  padding: 32px;
  border-radius: var(--rad-lg);
  text-align: center;
  max-width: 360px;
  animation: modalIn 0.4s;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
.qr-modal-content img {
  width: 280px; height: 280px;
  margin: 0 auto;
  border-radius: var(--rad-sm);
}
.qr-modal-content p {
  margin-top: 18px;
  font-family: var(--font-cn);
  font-size: 16px;
  color: var(--ink);
}
.qr-modal-close {
  position: absolute;
  top: 12px; right: 16px;
  width: 32px; height: 32px;
  font-size: 24px;
  color: var(--muted);
  border-radius: 50%;
  transition: 0.3s;
}
.qr-modal-close:hover { background: var(--cream-2); color: var(--ink); }

/* ============== 响应式 ============== */
@media (max-width: 1024px) {
  .section { padding: 90px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .matrix-grid { grid-template-columns: repeat(4, 1fr); }
  .about-wrap { grid-template-columns: 1fr; gap: 50px; }
  .about-photo { position: static; max-width: 320px; margin: 0 auto; }
  .contact-wrap { grid-template-columns: 1fr; gap: 50px; }
  .footer-inner { grid-template-columns: 1fr; gap: 50px; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 70px 0; }
  .section-head { margin-bottom: 40px; }

  .nav { padding: 14px 0; }
  .nav-menu {
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(15, 15, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: 30px 24px;
    gap: 20px;
    transform: translateY(-200%);
    transition: transform 0.4s;
    border-top: 1px solid rgba(250, 247, 242, 0.08);
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu a { font-size: 16px; }
  .nav-toggle { display: flex; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero { padding-top: 70px; min-height: 92vh; }
  .hero-content { padding: 50px 20px 100px; }
  .hero-actions { margin-bottom: 50px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .hero-scroll { display: none; }

  .service-card { padding: 36px 28px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .matrix-grid { grid-template-columns: repeat(2, 1fr); }

  .about-point { grid-template-columns: 60px 1fr; gap: 16px; }
  .point-year { font-size: 22px; }

  .contact-list li { grid-template-columns: 1fr; gap: 6px; padding: 14px 0; }
  .ci-value { font-size: 18px; }

  .footer-cols { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom-inner { justify-content: center; text-align: center; }
  .copyright, .beian { justify-content: center; }

  .floating-contact { right: 14px; bottom: 14px; }
  .fc-btn { width: 44px; height: 44px; }
  .qr-card img, .qr-modal-content img { width: 200px; height: 200px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .logo-text { display: none; }
  .logo-divider { display: none; }
  .matrix-grid { grid-template-columns: 1fr; }
}

/* ============== 滚动动画 ============== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

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