/* ==========================================================================
   OceanEase International — Corporate design system
   Palette: deep navy + brass accent, editorial typography
   ========================================================================== */

:root {
  --navy-1000: #030a14;
  --navy-950: #050f1e;
  --navy-900: #071629;
  --navy-850: #0a1c33;
  --navy-800: #0d2340;
  --navy-700: #123055;
  --navy-600: #1a3f6b;

  --brass-500: #c9a86a;
  --brass-400: #dcc08c;
  --brass-300: #eed8ae;
  --blue-400: #5c9bff;
  --blue-300: #86b5ff;

  --ink: #eef3fa;
  --ink-2: #c2d2e6;
  --ink-3: #93a9c4;
  --ink-4: #6b829c;

  --line: rgba(160, 190, 226, 0.14);
  --line-strong: rgba(160, 190, 226, 0.26);
  --panel: rgba(11, 30, 53, 0.66);
  --panel-2: rgba(9, 25, 45, 0.9);

  --container: 1200px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;

  --sans: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, "Songti SC", serif;

  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.7);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--navy-950);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

::selection { background: rgba(201, 168, 106, 0.3); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brass-400);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  padding: 0.7rem 1.1rem;
  background: var(--brass-500);
  color: #14202e;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---------- Layout ---------- */
.container {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}

.container-narrow { width: min(860px, 100% - 3rem); margin-inline: auto; }

.section { padding: 6.5rem 0; position: relative; }
.section-tight { padding: 4.5rem 0; }
.section-alt { background: var(--navy-900); border-block: 1px solid var(--line); }
.section-panel {
  background:
    radial-gradient(900px 420px at 78% -10%, rgba(92, 155, 255, 0.1), transparent 62%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950));
  border-block: 1px solid var(--line);
}

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.18; letter-spacing: -0.015em; }

.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h2.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  max-width: 26ch;
}

html[lang="zh-CN"] .display,
html[lang="zh-CN"] h2.section-title {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.25;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-400);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--brass-500);
}

.section-sub {
  color: var(--ink-3);
  font-size: 1.02rem;
  max-width: 62ch;
  margin-top: 1.1rem;
}

.lede { color: var(--ink-2); font-size: 1.1rem; }

.muted { color: var(--ink-3); }
.small { font-size: 0.86rem; }
.mono {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.section-head { margin-bottom: 3.2rem; }
.section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.72rem 1.4rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn .arrow { transition: transform 0.2s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary { --btn-bg: var(--brass-500); --btn-fg: #14202e; --btn-bd: var(--brass-500); }
.btn-primary:hover { --btn-bg: var(--brass-400); --btn-bd: var(--brass-400); }

.btn-outline { --btn-bd: rgba(201, 168, 106, 0.5); --btn-fg: var(--brass-300); }
.btn-outline:hover { --btn-bg: rgba(201, 168, 106, 0.1); --btn-bd: var(--brass-400); }

.btn-ghost { --btn-bd: var(--line-strong); --btn-fg: var(--ink-2); }
.btn-ghost:hover { --btn-bg: rgba(255, 255, 255, 0.05); --btn-fg: var(--ink); }

.btn-lg { padding: 0.92rem 1.75rem; font-size: 0.95rem; }
.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brass-300);
  letter-spacing: 0.01em;
}
.link-arrow .arrow { transition: transform 0.2s var(--ease); }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.topbar {
  background: var(--navy-1000);
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 36px;
  padding: 0.35rem 0;
  flex-wrap: wrap;
}
.topbar-list { display: flex; gap: 1.4rem; list-style: none; flex-wrap: wrap; }
.topbar-list li { display: flex; align-items: center; gap: 0.4rem; }
.topbar a:hover { color: var(--brass-300); }
.topbar-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: #58c98a; box-shadow: 0 0 0 3px rgba(88, 201, 138, 0.16);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(5, 15, 30, 0.82);
  backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(5, 15, 30, 0.96);
  box-shadow: 0 14px 40px -22px rgba(0, 0, 0, 0.9);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  min-height: 72px;
}

.brand { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }
.brand-mark { width: 38px; height: 38px; }
.brand-text { display: grid; line-height: 1.1; }
.brand-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}
html[lang="zh-CN"] .brand-name { font-family: var(--sans); font-size: 1.15rem; font-weight: 700; }
.brand-sub {
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: 3px;
}

.main-nav { display: flex; align-items: center; gap: 0.35rem; margin-left: auto; }
.main-nav a {
  position: relative;
  padding: 0.55rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 4px;
  transition: color 0.2s var(--ease);
}
.main-nav a:hover { color: var(--ink); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.28rem;
  height: 1px;
  background: var(--brass-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a[aria-current="page"] { color: var(--brass-300); }

.header-actions { display: flex; align-items: center; gap: 0.7rem; margin-left: 0.6rem; }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 0.42rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-toggle:hover { border-color: var(--brass-500); color: var(--brass-300); }
.lang-toggle svg { width: 14px; height: 14px; }

.nav-burger {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  cursor: pointer;
}
.nav-burger span { display: block; width: 16px; height: 1.5px; background: var(--ink); margin: 3px auto; transition: transform 0.25s var(--ease), opacity 0.25s; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

/* Mobile drawer */
.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--navy-900);
  padding: 1rem 0 1.5rem;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--ink-2);
}
.mobile-nav a:last-of-type { border-bottom: 0; }
.mobile-nav .btn { margin-top: 1rem; }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 5rem;
  background:
    radial-gradient(1200px 560px at 82% -14%, rgba(92, 155, 255, 0.16), transparent 62%),
    radial-gradient(800px 460px at 0% 110%, rgba(26, 63, 107, 0.55), transparent 60%),
    linear-gradient(175deg, var(--navy-850) 0%, var(--navy-950) 62%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(160, 190, 226, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(160, 190, 226, 0.05) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 78%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 4rem; align-items: center; }
.hero-copy { max-width: 640px; }
.hero .display { margin: 1.4rem 0 1.4rem; }
.hero-sub { color: var(--ink-2); font-size: 1.08rem; max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2.2rem; }
.hero-note {
  margin-top: 1.6rem;
  font-size: 0.8rem;
  color: var(--ink-4);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Hero visual card */
.hero-visual { position: relative; }
.vessel-card {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(18, 48, 85, 0.85), rgba(7, 22, 41, 0.95));
  padding: 1.6rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.vessel-card::after {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(201, 168, 106, 0.22), transparent 65%);
  pointer-events: none;
}
.vessel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.vessel-tag {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.vessel-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: #8fe0b0;
  letter-spacing: 0.06em;
}
.vessel-route { display: flex; align-items: center; justify-content: space-between; margin: 1.4rem 0 0.4rem; }
.vessel-port { display: grid; gap: 0.15rem; }
.vessel-port strong { font-size: 1.15rem; letter-spacing: 0.02em; }
.vessel-port span { font-size: 0.72rem; color: var(--ink-4); letter-spacing: 0.06em; }
.vessel-line { flex: 1; position: relative; height: 1px; background: repeating-linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 12px); margin: 0 1rem; }
.vessel-line::after {
  content: "";
  position: absolute;
  top: -3px; left: 42%;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--brass-400);
  box-shadow: 0 0 0 4px rgba(201, 168, 106, 0.18);
  animation: track 6s ease-in-out infinite;
}
@keyframes track {
  0%, 100% { left: 12%; }
  50% { left: 82%; }
}
.vessel-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}
.vessel-meta div { display: grid; gap: 0.2rem; }
.vessel-meta dt { font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-4); }
.vessel-meta dd { font-size: 0.92rem; font-weight: 600; }
.vessel-badge {
  margin-top: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.76rem;
  color: var(--ink-3);
  background: rgba(201, 168, 106, 0.08);
  border: 1px solid rgba(201, 168, 106, 0.22);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
}

/* ---------- Stat strip ---------- */
.stat-strip {
  border-block: 1px solid var(--line);
  background: var(--navy-1000);
}
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat {
  padding: 2.2rem 1.5rem;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat-value {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.4vw, 2.9rem);
  line-height: 1;
  color: var(--brass-300);
  font-variant-numeric: tabular-nums;
}
html[lang="zh-CN"] .stat-value { font-family: var(--sans); font-weight: 600; font-size: clamp(1.8rem, 3vw, 2.4rem); }
.stat-label { margin-top: 0.6rem; font-size: 0.8rem; color: var(--ink-3); letter-spacing: 0.04em; }

/* ---------- Cards ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
}
.card:hover { border-color: rgba(201, 168, 106, 0.35); transform: translateY(-3px); background: rgba(14, 36, 63, 0.8); }
.card-num {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--brass-400);
  text-transform: uppercase;
}
.card h3 { font-size: 1.15rem; letter-spacing: -0.01em; }
.card p { color: var(--ink-3); font-size: 0.92rem; flex: 1; }
.card ul { list-style: none; display: grid; gap: 0.4rem; margin-top: 0.2rem; }
.card ul li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.86rem;
  color: var(--ink-3);
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--brass-500);
}
.card-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--brass-300);
  background: rgba(201, 168, 106, 0.07);
}
.card-icon svg { width: 22px; height: 22px; }

/* ---------- Process rail ---------- */
.process-rail { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.process-rail::before {
  content: "";
  position: absolute;
  top: 22px; left: 4%; right: 4%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
}
.step { position: relative; padding-top: 3.4rem; }
.step-dot {
  position: absolute;
  top: 0; left: 0;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--navy-900);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brass-300);
  z-index: 1;
}
.step h4 { font-size: 1rem; margin-bottom: 0.4rem; }
.step p { font-size: 0.87rem; color: var(--ink-3); }

/* ---------- Trade lane table ---------- */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-2);
}
table.data { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.data caption {
  text-align: left;
  padding: 1.1rem 1.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  border-bottom: 1px solid var(--line);
}
table.data th {
  text-align: left;
  padding: 0.85rem 1.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}
table.data td {
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  vertical-align: top;
}
table.data tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover td { background: rgba(92, 155, 255, 0.05); }
table.data td strong { color: var(--ink); font-weight: 600; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid rgba(201, 168, 106, 0.32);
  color: var(--brass-300);
  background: rgba(201, 168, 106, 0.08);
  white-space: nowrap;
}
.pill--blue { border-color: rgba(92, 155, 255, 0.3); color: var(--blue-300); background: rgba(92, 155, 255, 0.08); }
.pill--green { border-color: rgba(88, 201, 138, 0.3); color: #8fe0b0; background: rgba(88, 201, 138, 0.08); }

/* ---------- Split feature ---------- */
.split { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 4rem; align-items: center; }
.check-list { list-style: none; display: grid; gap: 0.9rem; margin-top: 1.8rem; }
.check-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 0.8rem;
  font-size: 0.92rem;
  color: var(--ink-2);
}
.check-list li::before {
  content: "";
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 106, 0.4);
  background:
    linear-gradient(45deg, transparent 45%, var(--brass-400) 45% 55%, transparent 55%) 3px 8px / 8px 6px no-repeat,
    linear-gradient(-45deg, transparent 45%, var(--brass-400) 45% 55%, transparent 55%) 8px 8px / 8px 6px no-repeat,
    rgba(201, 168, 106, 0.1);
  margin-top: 2px;
}
.check-list strong { color: var(--ink); font-weight: 600; }

/* Doc checklist panel */
.doc-panel {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(18, 48, 85, 0.7), rgba(7, 22, 41, 0.94));
  padding: 1.8rem;
  box-shadow: var(--shadow-lg);
}
.doc-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 1rem; margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-4);
}
.doc-row {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.doc-row:last-child { border-bottom: 0; }
.doc-row .tick {
  width: 18px; height: 18px; flex: 0 0 18px;
  border-radius: 50%;
  background: rgba(88, 201, 138, 0.16);
  color: #8fe0b0;
  display: grid; place-items: center;
  font-size: 0.62rem;
  font-weight: 700;
}
.doc-row span:last-child { margin-left: auto; font-size: 0.72rem; color: var(--ink-4); letter-spacing: 0.06em; }

/* ---------- Metric cards ---------- */
.metric-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  background: var(--panel);
  display: grid;
  gap: 0.5rem;
}
.metric-value { font-size: 1.7rem; font-weight: 600; color: var(--brass-300); font-variant-numeric: tabular-nums; }
.metric-label { font-size: 0.82rem; color: var(--ink-3); }

/* ---------- Testimonials ---------- */
.quote-card {
  border: 1px solid var(--line);
  border-left: 2px solid rgba(201, 168, 106, 0.5);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.8rem;
  background: var(--panel);
  display: grid;
  gap: 1.2rem;
}
.quote-card blockquote { font-size: 0.98rem; color: var(--ink-2); line-height: 1.7; }
.quote-meta { display: flex; align-items: center; gap: 0.8rem; }
.avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(201, 168, 106, 0.14);
  color: var(--brass-300);
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(201, 168, 106, 0.3);
}
.quote-meta div { display: grid; }
.quote-meta strong { font-size: 0.88rem; }
.quote-meta span { font-size: 0.76rem; color: var(--ink-4); }

/* ---------- Logo / cert strip ---------- */
.cert-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.cert {
  background: var(--navy-900);
  padding: 1.5rem 1rem;
  display: grid;
  gap: 0.35rem;
  place-items: center;
  text-align: center;
}
.cert strong { font-size: 0.82rem; letter-spacing: 0.06em; }
.cert span { font-size: 0.68rem; color: var(--ink-4); letter-spacing: 0.06em; text-transform: uppercase; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(201, 168, 106, 0.28);
  border-radius: var(--radius-lg);
  padding: 3.2rem;
  background:
    radial-gradient(700px 300px at 88% 10%, rgba(201, 168, 106, 0.16), transparent 65%),
    linear-gradient(140deg, rgba(18, 48, 85, 0.9), rgba(7, 22, 41, 0.96));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); }
.cta-band p { color: var(--ink-3); margin-top: 0.6rem; max-width: 52ch; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(900px 420px at 80% -30%, rgba(92, 155, 255, 0.14), transparent 62%),
    linear-gradient(180deg, var(--navy-850), var(--navy-950));
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(to right, rgba(160, 190, 226, 0.045) 1px, transparent 1px);
  background-size: 120px 100%;
  pointer-events: none;
}
.page-hero .display { font-size: clamp(2.1rem, 4.4vw, 3.3rem); margin: 1.2rem 0 1.1rem; }
.page-hero p.lede { max-width: 62ch; }
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.76rem; color: var(--ink-4); letter-spacing: 0.06em;
  margin-top: 2rem;
}
.breadcrumb a:hover { color: var(--brass-300); }
.breadcrumb span { color: var(--ink-4); }

/* ---------- Service detail blocks ---------- */
.detail-block {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  padding: 3.2rem 0;
  border-bottom: 1px solid var(--line);
}
.detail-block:last-child { border-bottom: 0; }
.detail-head .card-num { margin-bottom: 0.8rem; }
.detail-head h3 { font-family: var(--serif); font-weight: 400; font-size: 1.9rem; margin-bottom: 0.8rem; }
html[lang="zh-CN"] .detail-head h3 { font-family: var(--sans); font-weight: 600; font-size: 1.5rem; }
.detail-head p { color: var(--ink-3); font-size: 0.94rem; }
.spec-list { display: grid; gap: 0.9rem; }
.spec {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.2rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}
.spec:last-child { border-bottom: 0; padding-bottom: 0; }
.spec dt { color: var(--ink-4); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; padding-top: 0.2rem; }
.spec dd { color: var(--ink-2); }

/* ---------- Timeline ---------- */
.timeline { position: relative; display: grid; gap: 0; margin-top: 2rem; }
.timeline::before {
  content: ""; position: absolute; top: 8px; bottom: 8px; left: 76px;
  width: 1px; background: var(--line-strong);
}
.tl-item { display: grid; grid-template-columns: 76px 1fr; gap: 2rem; padding: 1.4rem 0; position: relative; }
.tl-year { font-size: 0.86rem; font-weight: 600; color: var(--brass-300); padding-top: 0.15rem; letter-spacing: 0.04em; }
.tl-body { position: relative; padding-left: 2rem; }
.tl-body::before {
  content: ""; position: absolute; left: -1px; top: 0.55em;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--navy-950);
  border: 1px solid var(--brass-400);
  transform: translateX(-4px);
}
.tl-body h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.tl-body p { font-size: 0.88rem; color: var(--ink-3); }

/* ---------- Team ---------- */
.team-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  background: var(--panel);
  display: grid;
  gap: 0.75rem;
}
.team-card .avatar { width: 46px; height: 46px; font-size: 0.9rem; border-radius: 8px; }
.team-card h4 { font-size: 1rem; }
.team-card .role { font-size: 0.76rem; color: var(--brass-300); letter-spacing: 0.08em; text-transform: uppercase; }
.team-card p { font-size: 0.86rem; color: var(--ink-3); }

/* ---------- Values ---------- */
.value {
  border-top: 1px solid var(--line-strong);
  padding-top: 1.3rem;
  display: grid;
  gap: 0.5rem;
}
.value .idx { font-size: 0.7rem; letter-spacing: 0.16em; color: var(--brass-400); }
.value h4 { font-size: 1.05rem; }
.value p { font-size: 0.88rem; color: var(--ink-3); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 500;
  list-style: none;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--brass-300); }
.faq summary::after {
  content: "+";
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--brass-400);
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 0 1.4rem; color: var(--ink-3); font-size: 0.92rem; max-width: 78ch; }

/* ---------- Contact / form ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 4rem; align-items: start; }

.form-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(16, 42, 74, 0.78), rgba(6, 18, 33, 0.95));
  padding: 2.2rem;
  box-shadow: var(--shadow-lg);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
.field { display: grid; gap: 0.42rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; color: var(--ink-2); }
.field label .req { color: var(--brass-400); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.78rem 0.95rem;
  background: rgba(6, 20, 38, 0.8);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.92rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s;
}
.field textarea { resize: vertical; min-height: 122px; line-height: 1.6; }
.field ::placeholder { color: var(--ink-4); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brass-500);
  box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.16);
  background: rgba(8, 24, 44, 0.95);
}
.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: #e07777; }
.field-error { min-height: 1.05em; font-size: 0.74rem; color: #f0a0a0; }
.form-foot {
  margin-top: 1.4rem;
  display: grid;
  gap: 0.8rem;
}
.form-note { font-size: 0.76rem; color: var(--ink-4); text-align: center; }

.contact-block { display: grid; gap: 1.6rem; }
.contact-item { display: grid; gap: 0.3rem; padding-bottom: 1.3rem; border-bottom: 1px solid var(--line); }
.contact-item:last-child { border-bottom: 0; }
.contact-item dt { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-4); }
.contact-item dd { font-size: 0.98rem; color: var(--ink); }
.contact-item dd a { color: var(--brass-300); word-break: break-all; }
.contact-item dd a:hover { text-decoration: underline; }
.contact-item p { font-size: 0.84rem; color: var(--ink-3); }

.response-band {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(88, 201, 138, 0.26);
  background: rgba(88, 201, 138, 0.06);
  border-radius: 8px;
  font-size: 0.84rem;
  color: var(--ink-2);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-1000);
  border-top: 1px solid var(--line);
  padding: 4.5rem 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer-brand p { margin-top: 1rem; font-size: 0.87rem; color: var(--ink-3); max-width: 32ch; }
.footer-col h5 {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 1.1rem;
  font-weight: 600;
}
.footer-col ul { list-style: none; display: grid; gap: 0.65rem; }
.footer-col a { font-size: 0.88rem; color: var(--ink-2); }
.footer-col a:hover { color: var(--brass-300); }
.footer-col address { font-style: normal; font-size: 0.88rem; color: var(--ink-2); display: grid; gap: 0.5rem; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--ink-4);
}
.footer-legal { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-legal a:hover { color: var(--ink-2); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { max-width: 520px; }
  .split, .contact-grid, .detail-block { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .process-rail { grid-template-columns: repeat(2, 1fr); }
  .process-rail::before { display: none; }
  .cert-strip { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .main-nav, .header-actions .btn { display: none; }
  .nav-burger { display: inline-flex; }
  .header-actions { margin-left: auto; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 4.5rem 0; }
  .hero { padding: 4.5rem 0 3.5rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 1.6rem; }
  .cta-band { padding: 2rem; }
  table.data { font-size: 0.82rem; }
  table.data th, table.data td { padding: 0.75rem 0.9rem; }
}

@media (max-width: 640px) {
  .container, .container-narrow { width: min(100% - 2rem, var(--container)); }
  .grid-2, .grid-4, .process-rail, .cert-strip { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .footer-top { grid-template-columns: 1fr; }
  .topbar-list { gap: 0.9rem; font-size: 0.7rem; }
  .spec { grid-template-columns: 1fr; gap: 0.25rem; }
  .tl-item { grid-template-columns: 56px 1fr; gap: 1.2rem; }
  .timeline::before { left: 56px; }
  .tl-body { padding-left: 1.4rem; }
  .table-wrap { overflow-x: auto; }
  .table-wrap table { min-width: 620px; }
}