:root {
  --bg: #0c0e11;
  --bg2: #14171c;
  --card: #191d24;
  --line: #2a3038;
  --text: #e8eaed;
  --muted: #9aa3ad;
  --accent: #e0b34c;
  --accent-dark: #c9992f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(12,14,17,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 26px; font-size: 15px; }
.nav-links a { color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #10131a;
  padding: 8px 18px; border-radius: 6px; font-weight: 600; font-size: 14px;
}
.nav-cta:hover { background: var(--accent-dark); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex; align-items: center;
  background: url("images/hero-port.png") center/cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,12,15,.95) 25%, rgba(10,12,15,.6) 65%, rgba(10,12,15,.3));
}
.hero-inner { position: relative; padding: 96px 0; max-width: 660px; }
.hero h1 { font-size: 42px; line-height: 1.2; margin-bottom: 18px; font-weight: 700; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--muted); font-size: 18px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 28px; border-radius: 6px;
  font-weight: 600; font-size: 15px; transition: all .2s;
}
.btn-primary { background: var(--accent); color: #10131a; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- sections & headings ---------- */
section { padding: 72px 0; }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.sec-head .kicker {
  color: var(--accent); font-size: 13px; letter-spacing: 3px;
  text-transform: uppercase; font-weight: 600;
}
.sec-head h2 { font-size: 31px; margin-top: 10px; }
.sec-head p { color: var(--muted); margin-top: 12px; }

/* breadcrumb */
.breadcrumb {
  padding: 18px 0 0; font-size: 13.5px; color: var(--muted);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text); }

/* ---------- cards / grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  overflow: hidden; transition: transform .25s, border-color .25s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); border-color: #3d4550; }
.card img { width: 100%; height: 250px; object-fit: cover; }
.card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 19px; margin-bottom: 10px; }
.card-body h3 a:hover { color: var(--accent); }
.card-body p { color: var(--muted); font-size: 14.5px; margin-bottom: 14px; flex: 1; }
.card-link { color: var(--accent); font-size: 14px; font-weight: 600; }

/* industry icon tile (no photo) */
.tile {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 24px; transition: transform .25s, border-color .25s;
  display: flex; flex-direction: column;
}
.tile:hover { transform: translateY(-4px); border-color: #3d4550; }
.tile .icon { font-size: 28px; margin-bottom: 12px; }
.tile h3 { font-size: 17px; margin-bottom: 8px; }
.tile h3 a:hover { color: var(--accent); }
.tile p { color: var(--muted); font-size: 14px; flex: 1; margin-bottom: 10px; }
.tile .card-link { font-size: 13.5px; }

/* why us */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-item { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 30px 26px; }
.why-item .icon { font-size: 26px; margin-bottom: 14px; }
.why-item h3 { font-size: 17px; margin-bottom: 8px; }
.why-item p { color: var(--muted); font-size: 14.5px; }

/* process */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { border-left: 2px solid var(--accent); padding: 4px 0 4px 18px; }
.step b { display: block; font-size: 15px; margin-bottom: 6px; }
.step span { color: var(--muted); font-size: 14px; }

/* stats band */
.stats { border-bottom: 1px solid var(--line); padding: 44px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat b { font-size: 28px; color: var(--accent); display: block; }
.stat span { color: var(--muted); font-size: 14px; }

/* cta band */
.cta-band {
  background: linear-gradient(120deg, #161a21, #10131a);
  border-top: 1px solid var(--line);
  text-align: center; padding: 72px 0;
}
.cta-band h2 { font-size: 28px; margin-bottom: 12px; }
.cta-band p { color: var(--muted); margin-bottom: 28px; }

/* ---------- article pages ---------- */
.page-head {
  background: var(--bg2); border-bottom: 1px solid var(--line);
  padding: 48px 0 40px;
}
.page-head h1 { font-size: 32px; margin: 8px 0 10px; line-height: 1.25; }
.page-head .lede { color: var(--muted); max-width: 680px; font-size: 16.5px; }
.article {
  max-width: 780px; margin: 0 auto; padding: 56px 24px 72px;
}
.article h2 { font-size: 23px; margin: 36px 0 14px; }
.article h3 { font-size: 18px; margin: 26px 0 10px; }
.article p { margin-bottom: 14px; color: #d5d9de; }
.article ul, .article ol { margin: 0 0 16px 22px; color: #d5d9de; }
.article li { margin-bottom: 7px; }
.article .note {
  background: var(--bg2); border-left: 3px solid var(--accent);
  padding: 14px 18px; border-radius: 0 8px 8px 0;
  color: var(--muted); font-size: 14.5px; margin: 20px 0;
}
.article table {
  width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14.5px;
}
.article th, .article td {
  border: 1px solid var(--line); padding: 10px 14px; text-align: left;
}
.article th { background: var(--bg2); color: var(--text); }
.article td { color: var(--muted); }

/* faq */
.faq-item {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  cursor: pointer; padding: 16px 20px; font-weight: 600; font-size: 15.5px;
  list-style: none; position: relative; padding-right: 40px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 18px; top: 50%;
  transform: translateY(-50%); color: var(--accent); font-size: 20px;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-a { padding: 0 20px 18px; color: var(--muted); font-size: 14.5px; }

/* checklist */
.check-list li { list-style: none; position: relative; padding-left: 28px; margin-bottom: 9px; }
.check-list li::before {
  content: "✔"; position: absolute; left: 0; color: var(--accent);
}

/* ---------- contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; padding: 64px 0; align-items: start; }
.contact-info h2 { font-size: 22px; margin-bottom: 16px; }
.contact-info p { color: var(--muted); margin-bottom: 24px; font-size: 15px; }
.info-row { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.info-row .ico { font-size: 20px; width: 30px; text-align: center; }
.info-row b { display: block; font-size: 14.5px; }
.info-row span { color: var(--muted); font-size: 14px; }
.form-card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 34px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 6px; }
.field label i { color: var(--accent); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg2); border: 1px solid var(--line);
  border-radius: 6px; color: var(--text); padding: 11px 14px;
  font-size: 15px; font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { min-height: 120px; resize: vertical; }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.form-note { color: var(--muted); font-size: 13px; margin-top: 14px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-inner p { color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 22px; font-size: 14px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .grid-2, .why-grid, .contact-wrap { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 31px; }
  .nav-links { display: none; }
  .form-row { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .page-head h1 { font-size: 25px; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}