/* =========================================================
   跨洋信息科技 · 品牌官网
   Design tokens / Layout / Components / Responsive
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --ink: #101319;
  --ink-2: #333a44;
  --muted: #6b7381;
  --muted-2: #98a0ac;
  --line: #e6eaef;
  --line-strong: #d3dae2;
  --bg: #ffffff;
  --surface: #f6f8fa;
  --surface-2: #eef3f8;
  --accent: #1a7fd4;
  --accent-dark: #0f5f9f;
  --accent-soft: #ebf4fd;
  --accent-line: #b9d9f5;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Songti SC", Georgia, "Times New Roman", serif;
  --font-mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  --max: 1200px;
  --gutter: 32px;
  --radius: 3px;
  --radius-lg: 10px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 74px;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.008em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

h1, h2, h3, h4, h5, p, figure, blockquote, ul, ol {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* ---------- 3. Typography ---------- */
.display {
  font-size: clamp(36px, 5.3vw, 68px);
  line-height: 1.16;
  font-weight: 600;
  letter-spacing: -0.022em;
}

.display em {
  font-style: normal;
  white-space: nowrap;
  background-image: linear-gradient(90deg, rgba(26, 127, 212, 0.2), rgba(26, 127, 212, 0.07));
  background-repeat: no-repeat;
  background-size: 100% 0.26em;
  background-position: 0 88%;
  padding-bottom: 0.04em;
}

.h2 {
  font-size: clamp(27px, 3.2vw, 42px);
  line-height: 1.32;
  font-weight: 600;
  letter-spacing: -0.014em;
}

.h3 {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: -0.006em;
}

.h4 {
  font-size: 16.5px;
  line-height: 1.5;
  font-weight: 600;
}

.lead {
  font-size: clamp(15.5px, 1.25vw, 17.5px);
  line-height: 1.9;
  color: var(--muted);
}

.body-text {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.eyebrow.on-dark {
  color: rgba(255, 255, 255, 0.5);
}

.eyebrow.on-dark::before {
  background: rgba(255, 255, 255, 0.3);
}

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}

/* ---------- 4. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: 880px;
}

.section {
  padding-block: clamp(68px, 8.4vw, 124px);
}

.section--tight {
  padding-block: clamp(50px, 5.6vw, 80px);
}

.section--surface {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.section--ink {
  background: var(--ink);
  color: #fff;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.8fr);
  gap: 20px 64px;
  align-items: end;
  margin-bottom: clamp(36px, 4.6vw, 62px);
}

.section-head .h2 {
  margin-top: 16px;
}

.section-head .lead {
  padding-bottom: 6px;
}

.section-head--center {
  display: block;
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
}

.section-head--center .lead {
  margin-top: 16px;
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding-inline: 26px;
  border-radius: 2px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background 0.28s var(--ease), color 0.28s var(--ease),
    border-color 0.28s var(--ease), transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.btn svg {
  width: 15px;
  height: 15px;
  transition: transform 0.32s var(--ease);
}

.btn:hover svg {
  transform: translateX(4px);
}

.btn--primary {
  background: var(--ink);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent);
}

.btn--accent {
  background: var(--accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--accent-dark);
}

.btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.btn--light {
  background: #fff;
  color: var(--ink);
}

.btn--light:hover {
  background: var(--accent);
  color: #fff;
}

.btn--onink-ghost {
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
}

.btn--onink-ghost:hover {
  border-color: #fff;
  background: #fff;
  color: var(--ink);
}

.btn--sm {
  height: 42px;
  padding-inline: 20px;
  font-size: 13.5px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.link-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s var(--ease);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-stuck {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-text em {
  font-style: normal;
  font-size: 8.5px;
  letter-spacing: 0.28em;
  color: var(--muted-2);
  margin-top: 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink-2);
  transition: color 0.24s var(--ease);
  border-radius: 2px;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--accent);
}

.nav-link .chev {
  width: 9px;
  height: 9px;
  opacity: 0.5;
  transition: transform 0.3s var(--ease);
}

.nav-item.is-open .nav-link .chev {
  transform: rotate(180deg);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-actions .btn {
  height: 40px;
  padding-inline: 18px;
  font-size: 13.5px;
}

/* Mega menu */
.menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translate(-50%, 6px);
  width: 560px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px -18px rgba(16, 19, 25, 0.18), 0 2px 6px rgba(16, 19, 25, 0.04);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s;
  pointer-events: none;
}

.nav-item.is-open .menu,
.nav-item:hover .menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.menu--right {
  left: auto;
  right: 0;
  transform: translate(0, 6px);
  width: 340px;
}

.nav-item.is-open .menu--right,
.nav-item:hover .menu--right {
  transform: translate(0, 0);
}

.menu-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 11px 14px;
  border-radius: 4px;
  transition: background 0.2s var(--ease);
}

.menu-item:hover {
  background: var(--surface);
}

.menu-item strong {
  font-size: 14px;
  font-weight: 600;
}

.menu-item span {
  font-size: 12.5px;
  color: var(--muted-2);
  line-height: 1.5;
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.menu-foot {
  margin: 8px 4px 0;
  padding: 12px 10px 4px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.menu-foot p {
  font-size: 12px;
  color: var(--muted-2);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

body.nav-open .nav-toggle span {
  background: transparent;
}

body.nav-open .nav-toggle span::before {
  transform: translateY(5px) rotate(45deg);
}

body.nav-open .nav-toggle span::after {
  transform: translateY(-5px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: #fff;
  z-index: 89;
  padding: 20px var(--gutter) 60px;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.26s var(--ease), transform 0.26s var(--ease), visibility 0.26s;
}

body.nav-open .mobile-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav a.m-link,
.mobile-nav button.m-group {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  text-align: left;
  color: var(--ink);
}

.m-sub {
  display: grid;
  gap: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.m-sub a {
  padding: 11px 0 11px 14px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  color: var(--muted);
}

.m-sub a:last-child {
  border-bottom: 0;
}

.m-group.is-open + .m-sub {
  max-height: 320px;
}

.mobile-cta {
  margin-top: 26px;
  display: grid;
  gap: 10px;
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(50px, 6vw, 80px);
  overflow: hidden;
  background:
    radial-gradient(760px 420px at 88% -8%, rgba(26, 127, 212, 0.09), transparent 62%),
    radial-gradient(520px 320px at 4% 8%, rgba(26, 127, 212, 0.05), transparent 70%),
    #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: 0.35;
  mask-image: radial-gradient(70% 60% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 20%, transparent 78%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 56px;
  align-items: center;
}

.hero .display {
  margin-top: 22px;
}

.hero .lead {
  margin-top: 22px;
  max-width: 34em;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
  max-width: 520px;
}

.hero-stats div {
  padding-right: 20px;
}

.hero-stats div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.hero-stats strong {
  display: block;
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.hero-stats span {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 4px;
}

/* Dashboard visual */
.dash {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 70px -34px rgba(16, 19, 25, 0.28), 0 2px 8px rgba(16, 19, 25, 0.04);
  padding: 22px;
}

.dash-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.dash-top strong {
  font-size: 13.5px;
  font-weight: 600;
}

.dash-top span {
  font-size: 11.5px;
  color: var(--muted-2);
}

.dash-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #1c8a4e;
  background: #eefaf3;
  border: 1px solid #cdeedb;
  border-radius: 999px;
  padding: 3px 9px;
}

.dash-pill::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #22a25c;
}

.dash-num {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 16px;
}

.dash-num strong {
  font-size: 38px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.dash-num span {
  font-size: 12px;
  color: var(--muted);
  padding-bottom: 4px;
}

.chart {
  margin-top: 18px;
  height: 92px;
  display: flex;
  align-items: flex-end;
  gap: 6px;
}

.chart i {
  flex: 1;
  background: linear-gradient(180deg, var(--accent-line), var(--accent-soft));
  border-radius: 1px 1px 0 0;
  height: var(--h);
  transition: height 0.9s var(--ease);
}

.chart i:last-child {
  background: linear-gradient(180deg, var(--accent), #4ea3e4);
}

.dash-list {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: grid;
  gap: 11px;
}

.dash-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
}

.dash-row b {
  font-weight: 500;
  color: var(--ink-2);
}

.dash-row em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-2);
}

.dash-row .bar {
  flex: 1;
  height: 4px;
  background: var(--surface-2);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.dash-row .bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  background: var(--accent);
  border-radius: 2px;
}

.dash-badge {
  position: absolute;
  left: -34px;
  bottom: -26px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  padding: 12px 16px;
  box-shadow: 0 20px 40px -16px rgba(16, 19, 25, 0.4);
}

.dash-badge strong {
  display: block;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.2;
}

.dash-badge span {
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.06em;
}

/* Trust strip */
.trust {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.trust-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  padding-block: 18px;
  flex-wrap: wrap;
}

.trust-label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted-2);
  text-transform: uppercase;
  flex-shrink: 0;
}

.trust-items {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.trust-items span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.trust-items span::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.6;
}

/* ---------- 8. Business split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.split-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.split-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.split-card .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.split-card h3 {
  margin-top: 12px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.split-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.split-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 4px 9px;
}

.split-card .link-arrow {
  margin-top: 22px;
}

.split-card .watermark {
  position: absolute;
  right: -10px;
  bottom: -28px;
  font-size: 116px;
  font-weight: 700;
  color: var(--surface-2);
  line-height: 1;
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}

/* ---------- 9. Service cards ---------- */
.group-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 8px;
}

.group-head h3 {
  font-size: 20px;
  font-weight: 600;
}

.group-head p {
  font-size: 13px;
  color: var(--muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-left: 1px solid var(--line);
}

.svc {
  position: relative;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 30px 28px 28px;
  background: #fff;
  transition: background 0.3s var(--ease);
  display: flex;
  flex-direction: column;
}

.svc:hover {
  background: var(--surface);
}

.svc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.svc-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.svc-ico {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: #fff;
}

.svc-ico svg {
  width: 16px;
  height: 16px;
}

.svc h4 {
  margin-top: 18px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.008em;
}

.svc p {
  margin-top: 9px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
  flex: 1;
}

.svc ul {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px 14px;
}

.svc ul li {
  font-size: 12px;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.svc ul li::before {
  content: "";
  width: 3px;
  height: 3px;
  background: var(--accent);
  border-radius: 50%;
}

.svc .link-arrow {
  margin-top: 20px;
  font-size: 12.5px;
}

/* ---------- 10. Feature rows ---------- */
.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: center;
  padding-block: clamp(44px, 5.4vw, 72px);
  border-top: 1px solid var(--line);
}

.feature:first-of-type {
  border-top: 0;
}

.feature--flip .feature-copy {
  order: 2;
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.feature-num::after {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent-line);
}

.feature-copy h3 {
  margin-top: 16px;
  font-size: clamp(23px, 2.5vw, 32px);
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: -0.014em;
}

.feature-copy p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.ticks {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.ticks li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 11px;
  height: 6px;
  border-left: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}

.ticks--onink li {
  color: rgba(255, 255, 255, 0.78);
}

.feature-visual {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 26px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  overflow: hidden;
}

.feature-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(26, 127, 212, 0.14) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.5;
  pointer-events: none;
}

.fv-card {
  position: relative;
  z-index: 1;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  box-shadow: 0 8px 22px -14px rgba(16, 19, 25, 0.2);
}

.fv-card .dot {
  width: 26px;
  height: 26px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.fv-card b {
  font-weight: 600;
}

.fv-card span {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--muted-2);
}

.fv-card--mute {
  opacity: 0.7;
  transform: scale(0.97);
}

.fv-note {
  position: relative;
  z-index: 1;
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
  padding-top: 4px;
}

/* ---------- 11. Dark band / quote ---------- */
.band {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 300px at 82% 10%, rgba(26, 127, 212, 0.22), transparent 60%);
  pointer-events: none;
}

.band-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.band .h2 {
  color: #fff;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  margin-top: 32px;
  padding-top: 26px;
}

.metric-row strong {
  display: block;
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}

.metric-row span {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
}

.quote {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  padding-left: clamp(24px, 3vw, 40px);
}

.quote blockquote {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.86);
}

.quote figcaption {
  margin-top: 22px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
  display: flex;
  align-items: center;
  gap: 10px;
}

.quote figcaption::before {
  content: "";
  width: 22px;
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
}

/* ---------- 12. Forms ---------- */
.form-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: clamp(24px, 3.4vw, 40px);
  box-shadow: 0 24px 60px -40px rgba(16, 19, 25, 0.3);
}

.form-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.form-head h3 {
  font-size: 20px;
  font-weight: 600;
}

.form-head p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}

.form-badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  padding: 4px 8px;
  border-radius: 2px;
  white-space: nowrap;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 12.5px;
  color: var(--ink-2);
  font-weight: 500;
}

.field label i {
  color: var(--accent);
  font-style: normal;
  margin-left: 2px;
}

.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 11px 13px;
  width: 100%;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
  appearance: none;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%236b7381' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 34px;
}

.field textarea {
  resize: vertical;
  min-height: 84px;
  line-height: 1.7;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26, 127, 212, 0.1);
}

.check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--ink-2);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  padding: 8px 12px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.check input {
  width: 13px;
  height: 13px;
  accent-color: var(--accent);
  margin: 0;
}

.check:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.form-foot {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.form-foot small {
  font-size: 12px;
  color: var(--muted-2);
  line-height: 1.6;
}

.form-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted-2);
}

.form-success {
  display: none;
  padding: 14px 16px;
  border: 1px solid #cdeedb;
  background: #f2fbf6;
  color: #1c7a48;
  font-size: 13.5px;
  border-radius: 3px;
  margin-bottom: 18px;
}

.form-success.is-on {
  display: block;
}

.form-error {
  display: none;
  padding: 14px 16px;
  border: 1px solid #f3ccd2;
  background: #fdf3f4;
  color: #a8323e;
  font-size: 13.5px;
  border-radius: 3px;
  margin-bottom: 18px;
}

.form-error.is-on {
  display: block;
}

/* ---------- 13. Pricing ---------- */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 30px 28px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.price-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.price-card--featured {
  border-color: var(--ink);
  box-shadow: 0 26px 60px -34px rgba(16, 19, 25, 0.32);
}

.price-card--featured::before {
  content: "多数企业选这档";
  position: absolute;
  top: -11px;
  left: 26px;
  background: var(--ink);
  color: #fff;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 2px;
}

.price-name {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 600;
}

.price-card h3 {
  margin-top: 10px;
  font-size: 21px;
  font-weight: 600;
}

.price-card > p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  min-height: 44px;
}

.price {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.price strong {
  font-size: clamp(26px, 2.6vw, 33px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.price span {
  font-size: 12.5px;
  color: var(--muted-2);
}

.price-list {
  margin-top: 20px;
  display: grid;
  gap: 10px;
  flex: 1;
}

.price-list li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 13px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
}

.price-list li:last-child {
  border-bottom: 0;
}

.price-list b {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.price-card .btn {
  margin-top: 22px;
  width: 100%;
}

.price-note {
  margin-top: 22px;
  font-size: 12.5px;
  color: var(--muted-2);
  line-height: 1.8;
  max-width: 780px;
}

/* ---------- 14. Tables ---------- */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  background: #fff;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 13.5px;
}

table.data th {
  text-align: left;
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 14px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

table.data td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  vertical-align: top;
  line-height: 1.7;
}

table.data tr:last-child td {
  border-bottom: 0;
}

table.data td:first-child {
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}

table.data tr:hover td {
  background: #fbfcfd;
}

/* ---------- 15. Timeline ---------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
}

.tl-item {
  padding: 24px 22px 26px 0;
  border-right: 1px solid var(--line);
  position: relative;
}

.tl-item:last-child {
  border-right: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

.tl-item .d {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.tl-item h4 {
  margin-top: 10px;
  font-size: 15px;
  font-weight: 600;
}

.tl-item p {
  margin-top: 7px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 16. Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  counter-reset: step;
}

.step {
  padding-top: 20px;
  border-top: 2px solid var(--ink);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.step h4 {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 600;
}

.step p {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 17. FAQ ---------- */
.faq {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--accent);
}

.faq-item summary .pm {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 6px;
}

.faq-item summary .pm::before,
.faq-item summary .pm::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 0.3s var(--ease);
}

.faq-item summary .pm::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.faq-item summary .pm::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.faq-item[open] summary .pm::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-item[open] summary {
  color: var(--accent);
}

.faq-body {
  padding: 0 0 24px;
  max-width: 74ch;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.95;
}

/* ---------- 18. Stats / case ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat-strip div {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}

.stat-strip div:last-child {
  border-right: 0;
}

.stat-strip strong {
  display: block;
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.stat-strip span {
  font-size: 12.5px;
  color: var(--muted);
}

.cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.case {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.case:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
}

.case-meta b {
  color: var(--accent);
  font-weight: 600;
}

.case-meta i {
  font-style: normal;
  width: 1px;
  height: 10px;
  background: var(--line-strong);
}

.case h3 {
  margin-top: 16px;
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.case p {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.85;
  flex: 1;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.case-stats strong {
  display: block;
  font-size: clamp(19px, 1.8vw, 24px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--accent);
  line-height: 1.3;
}

.case-stats span {
  font-size: 11.5px;
  color: var(--muted);
}

/* ---------- 19. Blog ---------- */
.posts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.post {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  background: #fff;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.post:hover {
  border-color: var(--line-strong);
  box-shadow: 0 20px 44px -32px rgba(16, 19, 25, 0.3);
}

.post-cat {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.post h3 {
  margin-top: 12px;
  font-size: 19px;
  line-height: 1.55;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.post p {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.85;
  flex: 1;
}

.post-foot {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted-2);
}

/* Article */
.article-head {
  padding-top: clamp(40px, 5vw, 64px);
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.article-head h1 {
  margin-top: 18px;
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1.36;
  font-weight: 600;
  letter-spacing: -0.018em;
}

.article-meta {
  margin-top: 20px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted-2);
}

.article-body {
  padding-block: clamp(36px, 4.4vw, 56px);
  max-width: 760px;
}

.article-body h2 {
  font-size: clamp(21px, 2.2vw, 26px);
  font-weight: 600;
  margin-top: 44px;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  font-size: 17.5px;
  font-weight: 600;
  margin-top: 30px;
}

.article-body p {
  margin-top: 16px;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 2;
}

.article-body ul,
.article-body ol {
  margin-top: 16px;
  display: grid;
  gap: 10px;
  list-style: none;
}

.article-body ul li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.9;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

.article-body ol {
  counter-reset: n;
}

.article-body ol li {
  position: relative;
  padding-left: 28px;
  counter-increment: n;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.9;
}

.article-body ol li::before {
  content: counter(n) ".";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  top: 0.35em;
}

.article-body blockquote {
  margin-top: 26px;
  padding: 18px 24px;
  border-left: 2px solid var(--accent);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.9;
}

.article-body strong {
  color: var(--ink);
  font-weight: 600;
}

.callout {
  margin-top: 28px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
}

.callout strong {
  display: block;
  font-size: 14px;
  color: var(--accent-dark);
  margin-bottom: 6px;
}

.callout p {
  margin: 0;
  font-size: 13.5px;
  color: #2a5c85;
  line-height: 1.85;
}

.article-foot {
  border-top: 1px solid var(--line);
  padding-top: 26px;
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
  max-width: 760px;
}

/* ---------- 20. CTA ---------- */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
  color: #fff;
  padding: clamp(32px, 4.4vw, 60px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 36px;
  align-items: center;
}

.cta::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(26, 127, 212, 0.4), transparent 62%);
  pointer-events: none;
}

.cta h2 {
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.014em;
  position: relative;
  z-index: 1;
}

.cta p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14.5px;
  line-height: 1.85;
  max-width: 40em;
  position: relative;
  z-index: 1;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.cta-contact {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.cta-contact a {
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 1px;
}

/* ---------- 21. Footer ---------- */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding-top: clamp(44px, 5vw, 68px);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 0.8fr));
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  max-width: 30em;
}

.footer-contact {
  margin-top: 20px;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-2);
}

.footer-contact strong {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.footer-col h4 {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  font-size: 13.5px;
  color: var(--ink-2);
  transition: color 0.2s var(--ease);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted-2);
}

.footer-bottom-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

/* ---------- 22. Page header ---------- */
.page-head {
  position: relative;
  padding-top: clamp(40px, 5vw, 68px);
  padding-bottom: clamp(36px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(600px 320px at 92% -20%, rgba(26, 127, 212, 0.08), transparent 62%),
    #fff;
  overflow: hidden;
}

.page-head h1 {
  margin-top: 20px;
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.24;
  font-weight: 600;
  letter-spacing: -0.02em;
  max-width: 20em;
}

.page-head .lead {
  margin-top: 18px;
  max-width: 46em;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted-2);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb span {
  opacity: 0.5;
}

/* Sticky section nav */
.anchor-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.anchor-nav ul {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  padding-block: 14px;
  scrollbar-width: none;
}

.anchor-nav ul::-webkit-scrollbar {
  display: none;
}

.anchor-nav a {
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.2s;
}

.anchor-nav a:hover {
  color: var(--accent);
}

/* ---------- 23. Misc ---------- */
.note-box {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.85;
}

.note-box strong {
  color: var(--ink);
  font-weight: 600;
}

.lede-quote {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.9;
  color: var(--ink-2);
  border-left: 2px solid var(--accent);
  padding-left: 22px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.mini {
  background: #fff;
  padding: 24px;
}

.mini h4 {
  font-size: 15.5px;
  font-weight: 600;
}

.mini p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

.mini .mono {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
}

.list-plain {
  display: grid;
  gap: 12px;
}

.list-plain li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.85;
}

.list-plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 5px;
  height: 5px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}

/* ---------- 24. Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 25. Responsive ---------- */
@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .dash {
    max-width: 520px;
  }
  .dash-badge {
    left: auto;
    right: 18px;
    bottom: -18px;
  }
  .nav-link {
    padding-inline: 10px;
    font-size: 13.5px;
  }
  .menu {
    width: 500px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  :root {
    --gutter: 22px;
    --header-h: 66px;
  }
  .nav {
    display: none;
  }
  .nav-toggle {
    display: grid;
  }
  .header-actions .btn {
    display: none;
  }
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pricing {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
  .price-card--featured {
    order: -1;
  }
  .split,
  .cases,
  .posts,
  .two-col,
  .feature,
  .band-inner,
  .cta,
  .section-head {
    grid-template-columns: 1fr;
  }
  .feature--flip .feature-copy {
    order: 0;
  }
  .feature-visual {
    order: 2;
    min-height: 240px;
  }
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .tl-item:nth-child(2n) {
    border-right: 0;
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-strip div:nth-child(2n) {
    border-right: 0;
  }
  .stat-strip div {
    border-bottom: 1px solid var(--line);
  }
  .stat-strip div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
  .quote {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    padding-left: 0;
    padding-top: 28px;
  }
  .cta-actions {
    align-items: stretch;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .hero-stats {
    margin-top: 34px;
  }
}

@media (max-width: 620px) {
  .hero .lead,
  .page-head .lead,
  .cta p,
  .footer-brand p {
    max-width: 100%;
  }
  .grid-3 {
    grid-template-columns: 1fr;
    border-left: 0;
  }
  .svc {
    border-left: 1px solid var(--line);
  }
  .mini-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .timeline,
  .steps,
  .case-stats {
    grid-template-columns: 1fr;
  }
  .tl-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .tl-item:last-child {
    border-bottom: 0;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .hero-stats div + div {
    padding-left: 0;
    border-left: 0;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
  .dash-badge {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 16px;
  }
  .section-head {
    gap: 14px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .group-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .article-body p,
  .article-body ul li {
    font-size: 15px;
  }
}

/* ---------- 26. Service blocks (detail pages) ---------- */
.svc-block {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  padding-block: clamp(36px, 4.4vw, 58px);
  border-top: 1px solid var(--line);
  align-items: start;
}

.svc-block:first-of-type {
  border-top: 0;
}

.svc-block__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.svc-block h3 {
  margin-top: 12px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.42;
  font-weight: 600;
  letter-spacing: -0.014em;
}

.svc-block h3 small {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.svc-block__desc {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.spec {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 6px 20px;
}

.spec dl {
  margin: 0;
}

.spec .row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line-strong);
  font-size: 13px;
}

.spec .row:last-child {
  border-bottom: 0;
}

.spec dt {
  color: var(--muted);
  flex-shrink: 0;
}

.spec dd {
  margin: 0;
  text-align: right;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.6;
}

.spec .btn {
  margin: 14px 0 16px;
  width: 100%;
}

@media (max-width: 900px) {
  .svc-block {
    grid-template-columns: 1fr;
  }
}

/* ---------- 27. Accent tile ---------- */
.mini--accent {
  background: var(--ink);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.mini--accent .mono {
  color: rgba(255, 255, 255, 0.42);
}

.mini--accent h4 {
  color: #fff;
  font-size: 18px;
}

.mini--accent p {
  color: rgba(255, 255, 255, 0.55);
}

.mini--accent .link-arrow {
  color: #fff;
}

/* ---------- 28. Layer cards ---------- */
.layers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.layer {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  background: #fff;
  position: relative;
}

.layer--wide {
  grid-column: 1 / -1;
  background: var(--surface);
  border-color: var(--line-strong);
}

.layer-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.layer h3 {
  margin-top: 12px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.layer p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}

.layer ul {
  margin-top: 18px;
  display: grid;
  gap: 9px;
}

.layer li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.8;
}

.layer li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 5px;
  border-left: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}

@media (max-width: 900px) {
  .layers {
    grid-template-columns: 1fr;
  }
  .layer--wide {
    grid-column: auto;
  }
}

/* ---------- 29. History ---------- */
.history {
  border-top: 1px solid var(--ink);
}

.history-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 24px 40px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.history-row .yr {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.history-row h4 {
  font-size: 17px;
  font-weight: 600;
}

.history-row p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.85;
}

/* ---------- 30. Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.info-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--surface);
}

.info-list {
  display: grid;
  gap: 0;
}

.info-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.info-item:first-child {
  padding-top: 0;
}

.info-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.info-item span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 6px;
}

.info-item strong {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
}

.info-item em {
  display: block;
  font-style: normal;
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 3px;
  line-height: 1.7;
}

.info-item a:hover {
  color: var(--accent);
}

.office-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.office {
  background: #fff;
  padding: 26px;
}

.office h4 {
  font-size: 16px;
  font-weight: 600;
}

.office h4 span {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-2);
  margin-left: 6px;
}

.office p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

.office .tel {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent);
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .office-grid {
    grid-template-columns: 1fr;
  }
  .history-row {
    grid-template-columns: 70px 1fr;
  }
  .history-row p {
    grid-column: 1 / -1;
  }
  .history-row .yr {
    font-size: 16px;
  }
}
