:root {
  --green-950: #0d3326;
  --green-900: #114533;
  --green-700: #1f6b4b;
  --green-100: #e9f5ed;
  --gold-600: #936623;
  --gold-300: #d9b35d;
  --cream: #fbf6ea;
  --paper: #fffef9;
  --ink: #16241d;
  --muted: #607168;
  --line: rgba(17, 69, 51, 0.14);
  --shadow: 0 28px 68px rgba(20, 55, 38, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* { 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: linear-gradient(180deg, #fffdf6 0%, #f5f8ef 48%, #fffefa 100%);
  font-size: 17px;
  line-height: 1.7;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 8%, rgba(217, 179, 93, 0.16), transparent 28%),
    radial-gradient(circle at 88% 6%, rgba(31, 107, 75, 0.11), transparent 32%);
  z-index: -1;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px clamp(20px, 5vw, 64px);
  background: rgba(255, 253, 247, 0.92);
  border-bottom: 1px solid rgba(17, 69, 51, 0.09);
  box-shadow: 0 10px 30px rgba(17, 69, 51, 0.05);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 15px; min-width: 280px; }
.brand img { width: 82px; height: 82px; padding: 6px; background: #fff; border: 1px solid rgba(17, 69, 51, 0.1); border-radius: 22px; box-shadow: 0 14px 32px rgba(13, 51, 38, 0.13); object-fit: contain; }
.brand strong { display: block; color: var(--green-900); font-size: 23px; letter-spacing: 0.06em; }
.brand em { display: block; color: var(--muted); font-style: normal; font-size: 14px; line-height: 1.3; }
.nav-links { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 3vw, 36px); color: var(--green-900); font-size: 16px; font-weight: 800; }
.nav-links a { opacity: 0.82; }
.nav-links a:hover { opacity: 1; color: var(--gold-600); }
.header-phone {
  flex: 0 0 auto;
  padding: 13px 21px;
  color: #fff;
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  border-radius: 12px;
  box-shadow: 0 10px 22px rgba(17, 69, 51, 0.15);
  font-size: 16px;
  font-weight: 850;
}

.section-pad { padding: clamp(52px, 6.4vw, 88px) clamp(20px, 5vw, 64px); }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(410px, 1.02fr);
  gap: clamp(32px, 4.8vw, 68px);
  align-items: center;
  min-height: min(760px, calc(100vh - 82px));
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--gold-600);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 20px;
  color: var(--green-950);
  font-size: clamp(46px, 4.85vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
h2 {
  margin-bottom: 14px;
  color: var(--green-950);
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}
h3 { color: var(--green-900); font-size: 23px; line-height: 1.3; }
.hero-slogan { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; padding: 10px 16px; color: var(--green-900); background: rgba(255, 255, 255, 0.76); border: 1px solid rgba(31, 107, 75, 0.15); border-radius: 999px; box-shadow: 0 12px 26px rgba(17, 69, 51, 0.07); font-size: clamp(16px, 1.25vw, 18px); font-weight: 900; letter-spacing: 0.07em; }
.hero-slogan::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: var(--gold-600); box-shadow: 0 0 0 5px rgba(185, 130, 47, 0.12); }
.hero-lead { max-width: 760px; color: #344a3f; font-size: clamp(19px, 1.6vw, 23px); line-height: 1.78; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 26px;
  border: 1px solid rgba(17, 69, 51, 0.18);
  border-radius: 10px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.02em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { min-width: 126px; color: #fff; background: linear-gradient(135deg, #114533, #1d6f4e); border-color: rgba(17, 69, 51, 0.22); box-shadow: 0 12px 26px rgba(17, 69, 51, 0.18); }
.btn.ghost, .btn.copy, .btn.print { color: var(--green-900); background: rgba(255, 255, 255, 0.9); box-shadow: 0 8px 20px rgba(20, 55, 38, 0.07); }
.btn:disabled { cursor: progress; opacity: 0.68; transform: none; }
.proof-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 32px; max-width: 680px; }
.proof-row span {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 15px;
}
.proof-row strong { display: block; color: var(--green-900); font-size: 29px; line-height: 1; }
.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(17, 69, 51, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -18px 22px 22px -18px;
  z-index: -1;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(230, 192, 113, 0.46), rgba(31, 107, 75, 0.18));
}
.hero-card {
  position: absolute;
  right: -12px;
  bottom: 22px;
  width: min(280px, 76%);
  padding: 16px;
  color: #fff;
  background: rgba(13, 51, 38, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  box-shadow: 0 16px 38px rgba(13, 51, 38, 0.24);
  backdrop-filter: blur(12px);
}
.hero-card span, .hero-card small { display: block; color: rgba(255,255,255,0.74); }
.hero-card strong { display: block; margin: 4px 0; font-size: 20px; }

.section-heading { max-width: 820px; margin: 0 auto 34px; text-align: center; }
.section-heading p:not(.eyebrow) { color: var(--muted); font-size: 19px; line-height: 1.76; }
.section-heading.narrow { max-width: 680px; }
.audience-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.audience-grid article {
  min-height: 210px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 253, 248, 0.7));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 42px rgba(20, 55, 38, 0.08);
}
.audience-grid span { color: var(--gold-600); font-weight: 900; letter-spacing: 0.12em; }
.audience-grid p { color: var(--muted); font-size: 17px; line-height: 1.72; }

.split-section { display: grid; grid-template-columns: minmax(0, 1fr) 390px; gap: clamp(24px, 4vw, 54px); align-items: center; }
.warm {
  background:
    linear-gradient(135deg, rgba(255, 248, 238, 0.76), rgba(233, 245, 237, 0.72)),
    linear-gradient(180deg, transparent, rgba(255,255,255,0.35));
  border-block: 1px solid rgba(17, 69, 51, 0.08);
}
.split-copy p { color: var(--muted); font-size: 19px; line-height: 1.76; }
.check-list { display: grid; gap: 10px; padding: 0; margin: 20px 0 0; list-style: none; }
.check-list li {
  position: relative;
  padding-left: 31px;
  color: #2e4338;
  font-size: 17px;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--green-700);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
}
.metrics-card {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.metrics-card div {
  min-height: 122px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 45px rgba(20, 55, 38, 0.08);
}
.metrics-card strong { color: var(--green-900); font-size: clamp(25px, 2.5vw, 34px); line-height: 1; }
.metrics-card span { color: var(--muted); font-size: 16px; line-height: 1.5; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: process; }
.process-grid article {
  position: relative;
  padding: 23px 20px 20px;
  background: var(--green-950);
  color: rgba(255,255,255,0.78);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.process-grid article::before {
  counter-increment: process;
  content: "0" counter(process);
  position: absolute;
  right: 18px;
  top: 10px;
  color: rgba(230, 192, 113, 0.28);
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
}
.process-grid b { position: relative; display: block; margin-bottom: 9px; color: #fff; font-size: 20px; }
.process-grid p { position: relative; margin: 0; font-size: 16px; line-height: 1.72; }

.gallery-section { background: rgba(255, 255, 255, 0.42); }
.gallery-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; grid-template-rows: repeat(2, minmax(190px, 1fr)); gap: 14px; }
.gallery-grid figure { position: relative; margin: 0; overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow); background: #ddd; }
.gallery-grid figure.large { grid-row: span 2; }
.gallery-grid img { width: 100%; height: 100%; min-height: 220px; object-fit: cover; }
.gallery-grid figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 8px 12px;
  color: #fff;
  background: rgba(13, 51, 38, 0.78);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  font-weight: 700;
}

.credential-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; max-width: 1080px; margin: 0 auto; }
.credential-grid figure {
  margin: 0;
  padding: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 42px rgba(20, 55, 38, 0.08);
}
.credential-grid img { width: 100%; height: clamp(300px, 30vw, 420px); padding: 12px; object-fit: contain; object-position: center; border: 1px solid rgba(17, 69, 51, 0.08); border-radius: 14px; filter: saturate(0.95) contrast(0.99); background: #fff; }
.credential-grid figcaption { display: grid; gap: 4px; padding: 14px 4px 1px; color: var(--green-900); text-align: center; }
.credential-grid figcaption strong { font-size: 20px; }
.credential-grid figcaption span { color: var(--muted); font-size: 15px; }

.clients-section { background: linear-gradient(135deg, rgba(17, 69, 51, 0.96), rgba(13, 51, 38, 0.99)); color: #fff; }
.clients-section h2 { color: #fff; }
.clients-section .section-heading { max-width: 980px; margin-bottom: 0; }
.clients-section .section-heading p:not(.eyebrow) { max-width: none; color: rgba(255,255,255,0.82); font-size: 20px; font-weight: 700; white-space: nowrap; }

.contact-card {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}
.contact-section { padding-bottom: clamp(58px, 8vw, 96px); }
.contact-card { text-align: center; background: linear-gradient(135deg, #fffdf8, #edf7f0); }
.contact-card p { max-width: 760px; margin-inline: auto; color: var(--muted); font-size: 18px; line-height: 1.7; }
.contact-actions { justify-content: center; }
#copy-tip { display: block; min-height: 24px; margin-top: 12px; color: var(--green-700); font-weight: 700; }
.save-hint { max-width: 680px; margin: 8px auto 0; color: #7a6a4c; font-size: 12px; line-height: 1.5; }
.site-footer { display: flex; justify-content: space-between; gap: 18px; padding: 21px clamp(20px, 5vw, 64px); color: rgba(255,255,255,0.7); background: var(--green-950); }
.mobile-call { display: none; }

@media (max-width: 1080px) {
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 42px; }
  .hero-copy { max-width: 820px; }
  .hero-visual { max-width: 880px; }
  .audience-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .split-section { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { padding-bottom: 72px; }
  .site-header { padding: 8px 14px; }
  .brand { min-width: 0; }
  .brand img { width: 58px; height: 58px; border-radius: 15px; }
  .brand strong { font-size: 18px; }
  .brand em { display: block; font-size: 11px; line-height: 1.2; }
  .header-phone { display: none; }
  .section-pad { padding: 28px 16px; }
  .hero { gap: 18px; padding-top: 24px; }
  h1 { font-size: clamp(34px, 9.5vw, 42px); letter-spacing: -0.035em; }
  h2 { font-size: clamp(18px, 5vw, 22px); white-space: nowrap; }
  h3 { font-size: 18px; }
  .eyebrow { margin-bottom: 8px; font-size: 12px; letter-spacing: 0.13em; }
  .hero-slogan { margin-bottom: 14px; padding: 8px 11px; font-size: 14px; letter-spacing: 0.04em; }
  .hero-lead, .section-heading p:not(.eyebrow), .split-copy p, .contact-card p { font-size: 15.5px; }
  .hero-actions, .contact-actions { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 18px; }
  .btn { width: 100%; min-height: 48px; padding: 12px 18px; font-size: 15px; border-radius: 10px; }
  .proof-row { grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 16px; }
  .proof-row span { padding: 10px 8px; font-size: 12px; text-align: center; }
  .proof-row strong { font-size: 18px; }
  .hero-visual::before { inset: -8px 10px 14px -8px; }
  .hero-visual img { height: auto; border-radius: 22px; }
  .hero-card { left: 10px; right: 10px; bottom: 10px; width: auto; display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 12px; }
  .hero-card span, .hero-card small { display: inline; font-size: 11px; }
  .hero-card strong { margin: 0; font-size: 14px; white-space: nowrap; }
  .hero-card small { display: none; }
  .audience-grid, .process-grid, .credential-grid { grid-template-columns: 1fr; gap: 8px; }
  .metrics-card { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .audience-grid article { min-height: auto; display: grid; grid-template-columns: auto 1fr; column-gap: 8px; padding: 10px 12px; }
  .audience-grid h3 { margin: 0; font-size: 16px; line-height: 1.25; }
  .audience-grid span { line-height: 1.25; }
  .section-heading { margin-bottom: 18px; }
  .check-list { gap: 9px; margin-top: 16px; }
  .metrics-card div { min-height: 74px; padding: 12px; }
  .metrics-card strong { font-size: 18px; }
  .metrics-card span { font-size: 12px; line-height: 1.35; }
  .process-grid article { display: grid; grid-template-columns: 58px 1fr; column-gap: 8px; align-items: start; padding: 10px 12px; }
  .process-grid article::before { right: 10px; top: 7px; font-size: 28px; }
  .process-grid b { margin: 1px 0 0; font-size: 15px; line-height: 1.25; }
  .gallery-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .gallery-grid figure.large { grid-row: auto; }
  .gallery-grid img { min-height: 160px; }
  .credential-grid figure { padding: 8px 8px 6px; }
  .credential-grid img { height: auto; max-height: 205px; padding: 6px; }
  .credential-grid figcaption { gap: 2px; padding: 8px 2px 0; }
  .credential-grid figcaption strong { font-size: 16px; }
  .credential-grid figcaption span { font-size: 12px; }

  .audience-grid article p,
  .process-grid p,
  .check-list li { font-size: 14px; }
  .process-grid p { font-size: 12.5px; line-height: 1.35; }
  .audience-grid article p { grid-column: 1 / -1; margin-top: 3px; font-size: 12.5px; line-height: 1.35; }
  .audience-grid p { margin-bottom: 0; }
  .clients-section .section-heading p:not(.eyebrow) { white-space: normal; }
  .contact-card { border-radius: 22px; padding: 24px; }
  .contact-section { padding-bottom: 88px; }
  .site-footer { flex-direction: column; padding-bottom: 30px; text-align: center; }
  .mobile-call {
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: max(10px, env(safe-area-inset-bottom));
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    color: #fff;
    background: linear-gradient(135deg, var(--green-900), #238256);
    border-radius: 10px;
    box-shadow: 0 18px 40px rgba(13, 51, 38, 0.32);
    font-weight: 850;
  }
}

@media (max-width: 390px) {
  .section-pad { padding-left: 14px; padding-right: 14px; }
  .proof-row { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid figcaption { left: 12px; bottom: 12px; max-width: calc(100% - 24px); white-space: normal; border-radius: 14px; }
}

@media print {
  @page { size: A4; margin: 12mm; }
  * { box-shadow: none !important; text-shadow: none !important; }
  html { scroll-behavior: auto; }
  body {
    padding: 0 !important;
    color: #16241d;
    background: #fff !important;
    font-size: 11pt;
    line-height: 1.5;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
  body::before,
  .site-header,
  .mobile-call,
  .contact-actions,
  #copy-tip { display: none !important; }
  .save-hint { display: none !important; }
  .section-pad { padding: 10mm 0 !important; }
  .hero {
    min-height: 0;
    grid-template-columns: 1fr 0.9fr;
    gap: 10mm;
    align-items: center;
    break-after: avoid;
  }
  h1 { font-size: 30pt; line-height: 1.08; margin-bottom: 8mm; }
  h2 { font-size: 20pt; line-height: 1.18; margin-bottom: 5mm; }
  h3 { font-size: 13pt; }
  p { orphans: 3; widows: 3; }
  .hero-lead,
  .section-heading p:not(.eyebrow),
  .split-copy p,
  .contact-card p { font-size: 11pt; color: #40534a; }
  .hero-actions { display: none !important; }
  .proof-row,
  .audience-grid,
  .metrics-card,
  .process-grid,
  .credential-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 5mm;
  }
  .proof-row { max-width: none; }
  .proof-row span,
  .audience-grid article,
  .metrics-card div,
  .contact-card,
  .credential-grid figure {
    background: #fff !important;
    border: 1px solid rgba(17, 69, 51, 0.18) !important;
  }
  .audience-grid article,
  .metrics-card div,
  .process-grid article { min-height: auto; padding: 7mm; }
  .process-grid article { background: #103c2d !important; }
  .hero-visual::before { display: none; }
  .hero-visual img,
  .gallery-grid figure,
  .credential-grid figure,
  .contact-card,
  .audience-grid article,
  .metrics-card div,
  .process-grid article { border-radius: 6mm; }
  .hero-visual img { aspect-ratio: 4 / 3; max-height: 95mm; object-fit: cover; }
  .hero-card { position: static; width: auto; margin-top: 4mm; padding: 5mm; background: #103c2d !important; border-radius: 5mm; }
  .split-section { grid-template-columns: 1fr !important; gap: 7mm; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    gap: 5mm;
  }
  .gallery-grid figure.large { grid-row: auto; }
  .gallery-grid img { min-height: 0; height: 58mm; object-fit: cover; }
  .gallery-grid figcaption { position: static; display: block; color: #114533; background: #fff; padding: 3mm 0 0; }
  .credential-grid img { max-height: 85mm; object-fit: contain; }
  .clients-section { background: #103c2d !important; color: #fff; }
  .clients-section h2 { color: #fff; }
  .contact-section { padding-bottom: 0 !important; }
  .contact-card::after {
    content: "咨询联系：张经理 13910023451";
    display: block;
    margin-top: 6mm;
    color: #114533;
    font-size: 15pt;
    font-weight: 900;
  }
  .site-footer {
    display: flex !important;
    color: #114533 !important;
    background: #fff !important;
    border-top: 1px solid rgba(17, 69, 51, 0.18);
    padding: 6mm 0 0 !important;
  }
  .audience-section,
  .process-section,
  .gallery-section,
  .credentials-section,
  .clients-section,
  .contact-section { break-inside: avoid; }
}