/* 金易恒科技 · 企业官网首页 */
:root {
  --navy-950: #1a2f45;
  --navy-900: #243b55;
  --navy-800: #2f4f6e;
  --navy-700: #3d6488;
  --steel: #4a7ca8;
  --blue: #1b7bbf;
  --blue-bright: #2a9adf;
  --orange: #e86a17;
  --orange-hot: #f07828;
  --ink: #1c2d3f;
  --muted: #5f7388;
  --line: rgba(36, 59, 85, 0.12);
  --paper: #f5f8fb;
  --paper-2: #eaf1f7;
  --white: #ffffff;
  --shadow: 0 14px 40px rgba(36, 59, 85, 0.1);
  --radius: 4px;
  --header-h: 84px;
  --font-display: "Sora", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--orange);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(1180px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 1.45rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.35s var(--ease), background 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange) 0%, #d4550d 100%);
  color: #fff;
  box-shadow: 0 10px 28px rgba(232, 106, 23, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(232, 106, 23, 0.38);
}

.btn-secondary {
  background: var(--navy-900);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn-sm {
  min-height: 40px;
  padding: 0 1rem;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

.text-link {
  color: var(--blue);
  font-weight: 600;
  border-bottom: 1px solid transparent;
}

.text-link:hover {
  border-color: currentColor;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  color: var(--orange);
  font-weight: 600;
  font-size: 0.95rem;
}

.link-arrow::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

.product-tile:hover .link-arrow::after {
  transform: translateX(4px);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(36, 59, 85, 0.08);
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
}

.site-header.is-solid {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 28px rgba(36, 59, 85, 0.08);
  border-bottom-color: rgba(36, 59, 85, 0.1);
}

.header-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  line-height: 0;
  background: transparent;
}

.brand img {
  height: 62px;
  width: auto;
  display: block;
  image-rendering: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav a {
  position: relative;
  padding: 0.55rem 0.85rem;
  color: rgba(28, 45, 63, 0.78);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.25s;
}

.nav a:hover,
.nav a.is-active {
  color: var(--ink);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.2rem;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav a:hover::after,
.nav a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid rgba(36, 59, 85, 0.18);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  flex-shrink: 0;
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.35rem;
  padding: 0.32rem 0.55rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  line-height: 1;
  transition: color 0.2s, background 0.2s;
}

.lang-switch a + a {
  border-left: 1px solid rgba(36, 59, 85, 0.14);
}

.lang-switch a:hover {
  color: var(--navy-900);
  background: rgba(36, 59, 85, 0.06);
}

.lang-switch a.is-active {
  color: #fff;
  background: var(--navy-900);
}

.site-header:not(.is-solid) .lang-switch {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(26, 47, 69, 0.35);
}

.site-header:not(.is-solid) .lang-switch a {
  color: rgba(255, 255, 255, 0.78);
}

.site-header:not(.is-solid) .lang-switch a + a {
  border-left-color: rgba(255, 255, 255, 0.22);
}

.site-header:not(.is-solid) .lang-switch a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.site-header:not(.is-solid) .lang-switch a.is-active {
  color: var(--navy-900);
  background: #fff;
}

.header-phone {
  display: none;
  flex-direction: column;
  line-height: 1.2;
  color: var(--ink);
}

.header-phone-label {
  font-size: 0.7rem;
  opacity: 0.65;
  color: var(--muted);
}

.header-phone-num {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--navy-900);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(36, 59, 85, 0.2);
  background: transparent;
  border-radius: var(--radius);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
  transition: 0.3s;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  color: #fff;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-slides,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-slide {
  background:
    linear-gradient(180deg, rgba(245, 248, 251, 0.35) 0%, rgba(36, 59, 85, 0.28) 42%, rgba(26, 47, 69, 0.72) 100%),
    var(--hero-img) center / cover no-repeat;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.2s ease, transform 6s ease;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 14% 58%, rgba(232, 106, 23, 0.2), transparent 55%),
    radial-gradient(ellipse 50% 45% at 88% 28%, rgba(42, 154, 223, 0.22), transparent 52%),
    linear-gradient(105deg, rgba(26, 47, 69, 0.55) 0%, rgba(36, 59, 85, 0.28) 48%, rgba(26, 47, 69, 0.48) 100%);
  pointer-events: none;
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-stage {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding-top: calc(var(--header-h) + 1.5rem);
}

.hero-content {
  --hero-block-pad: 1.15rem;
  --hero-block-gap: 0.7rem;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: stretch;
  padding: 0.75rem 0 1rem;
}

.hero-main,
.hero-aside {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--hero-block-gap);
  min-height: 100%;
  box-sizing: border-box;
}

.hero-main {
  padding: var(--hero-block-pad) 0.25rem var(--hero-block-pad) 0;
}

.hero-aside {
  padding: var(--hero-block-pad) 1.15rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  color: var(--ink);
  box-shadow: 0 12px 36px rgba(36, 59, 85, 0.12);
  width: 100%;
}

.hero-main-head,
.hero-aside-head {
  flex: 0 0 auto;
}

.hero-main-body,
.hero-aside-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.85rem;
  min-height: 0;
}

.hero-main-foot,
.hero-aside-foot {
  flex: 0 0 auto;
}

.hero-brand {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 1.1vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.06em;
}

.hero-title span {
  background: linear-gradient(90deg, #fff 20%, #ffd0a8 55%, var(--blue-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: none;
  margin: 0;
  font-size: clamp(0.95rem, 1.25vw, 1.06rem);
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.7;
}

.hero-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.5;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 0;
  min-height: 52px;
}

.hero-hotline {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  margin-left: 0.25rem;
  padding-left: 1rem;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-hotline span {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.6);
}

.hero-hotline strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

.hero-aside-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  line-height: 1.4;
  min-height: 1.4em;
}

.hero-aside-body {
  gap: 0.55rem;
}

.hero-focus {
  flex: 1 1 0;
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.55rem 0.6rem;
  background: rgba(234, 241, 247, 0.8);
  border: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
  min-height: 0;
}

.hero-focus:hover {
  background: #fff;
  border-color: rgba(232, 106, 23, 0.4);
  transform: translateX(3px);
}

.hero-focus img {
  width: 84px;
  height: 60px;
  object-fit: cover;
}

.hero-focus strong {
  display: block;
  font-size: 1.02rem;
  margin-bottom: 0.2rem;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.hero-focus span {
  display: block;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted);
}

.hero-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(36, 59, 85, 0.12);
  min-height: 52px;
  align-content: center;
}

.hero-certs span {
  flex: 1 1 calc(33.333% - 0.4rem);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  padding: 0.42rem 0.3rem;
  text-align: center;
  color: var(--navy-800);
  border: 1px solid rgba(36, 59, 85, 0.16);
  background: rgba(255, 255, 255, 0.95);
  white-space: nowrap;
  box-sizing: border-box;
}

.hero-bottom {
  margin-top: auto;
  padding: 0.85rem 0 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  background: linear-gradient(180deg, transparent, rgba(26, 47, 69, 0.22));
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.hero-stats .trust-item {
  text-align: left;
  padding: 0.35rem 0.25rem;
}

.hero-stats .trust-item strong {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-stats .trust-item > span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--orange);
  margin-left: 0.1rem;
}

.hero-stats .trust-item p {
  margin: 0.15rem 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
}

.hero-bottom-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.55rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-bottom-meta p {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.62);
}

.hero-indicators {
  display: flex;
  gap: 0.45rem;
  flex-shrink: 0;
}

.hero-indicators button {
  width: 32px;
  height: 3px;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 0.3s, width 0.3s;
}

.hero-indicators button.is-active {
  width: 48px;
  background: var(--orange);
}

/* Sections */
.section {
  padding: clamp(4.5rem, 8vw, 6.5rem) 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.75rem;
}

.section-head--row {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
}

.eyebrow--light {
  color: rgba(255, 210, 170, 0.9);
}

.section-head h2,
.about-copy h2,
.cta-copy h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.2vw, 2.45rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  font-weight: 700;
}

.section-desc {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

/* Products */
.products {
  background:
    linear-gradient(180deg, #fff 0%, var(--paper) 100%);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.product-tile {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  min-height: 280px;
  background: #fff;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}

.product-tile:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.product-visual {
  background: center / cover no-repeat;
  min-height: 220px;
  position: relative;
}

.product-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 40%, rgba(255, 255, 255, 0.08));
}

.product-body {
  padding: 1.6rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.product-index {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.product-body h3 {
  margin: 0.55rem 0 0.7rem;
  font-size: 1.35rem;
}

.product-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1;
}

/* About */
.about {
  background: #fff;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual img {
  width: 100%;
  height: clamp(320px, 42vw, 520px);
  object-fit: cover;
  filter: contrast(1.05) saturate(0.92);
}

.about-badge {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  padding: 1rem 1.2rem;
  min-width: 110px;
  box-shadow: var(--shadow);
}

.about-badge span {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  opacity: 0.65;
  color: var(--muted);
}

.about-badge strong {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1.1;
}

.about-copy p {
  color: var(--muted);
}

.about-highlights {
  list-style: none;
  margin: 1.4rem 0 1.8rem;
  padding: 0;
}

.about-highlights li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.35rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 500;
}

.about-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.about-copy h2 {
  margin: 0 0 1rem;
}

/* Pillars */
.pillars {
  background:
    linear-gradient(180deg, var(--paper-2) 0%, #dfeaf3 100%);
  color: var(--ink);
}

.pillars .eyebrow {
  color: var(--blue);
}

.pillars .section-desc {
  color: var(--muted);
}

.pillar-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.pillar {
  padding: 1.6rem 1.35rem;
  border-top: 2px solid rgba(36, 59, 85, 0.15);
  background: rgba(255, 255, 255, 0.75);
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.pillar:hover {
  background: #fff;
  border-top-color: var(--orange);
  box-shadow: var(--shadow);
}

.pillar h3 {
  margin: 0 0 0.7rem;
  font-size: 1.15rem;
}

.pillar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Cases */
.cases {
  background: var(--paper);
}

.case-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.case-tabs button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: 0.25s;
}

.case-tabs button.is-active,
.case-tabs button:hover {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: #fff;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.case-card {
  position: relative;
  overflow: hidden;
  background: #d7e2ec;
  min-height: 280px;
  transition: transform 0.4s var(--ease);
}

.case-card > a {
  display: block;
  color: inherit;
  height: 100%;
}

.case-card.is-hidden {
  display: none;
}

.case-card:hover {
  transform: translateY(-4px);
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
  transition: transform 0.7s var(--ease), opacity 0.4s;
  opacity: 0.88;
}

.case-card:hover img {
  transform: scale(1.06);
  opacity: 1;
}

.case-meta {
  position: absolute;
  inset: auto 0 0;
  padding: 1.2rem;
  background: linear-gradient(transparent, rgba(26, 47, 69, 0.82));
  color: #fff;
}

.case-meta span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--orange-hot);
}

.case-meta h3 {
  margin: 0.35rem 0 0;
  font-size: 1.05rem;
  font-weight: 600;
}

/* Clients */
.clients {
  overflow: hidden;
  background: #fff;
  padding-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.clients .section-head {
  margin-bottom: 1.5rem;
}

.client-marquee {
  margin-top: 0.25rem;
  width: 100%;
  max-width: 100%;
  border: 1px solid var(--line);
  padding: 1.25rem 0;
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  overflow: hidden;
  box-sizing: border-box;
}

.client-track {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: max-content;
  animation: marquee 45s linear infinite;
}

.client-marquee:hover .client-track {
  animation-play-state: paused;
}

.client-logo {
  flex: 0 0 auto;
  width: 132px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.7rem;
  background: #fff;
  border: 1px solid rgba(36, 59, 85, 0.08);
  box-sizing: border-box;
}

.client-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(0.15);
  opacity: 0.92;
  transition: filter 0.25s, opacity 0.25s;
}

.client-logo:hover img {
  filter: none;
  opacity: 1;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* News */
.news {
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
}

.news-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1.25rem;
}

.news-feature a {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  height: 100%;
  transition: box-shadow 0.35s;
}

.news-feature a:hover {
  box-shadow: var(--shadow);
}

.news-feature img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.news-body {
  padding: 1.35rem 1.4rem 1.5rem;
}

.news-body time,
.news-item time {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.news-body h3,
.news-item h3 {
  margin: 0.45rem 0 0.6rem;
  font-size: 1.2rem;
  line-height: 1.45;
}

.news-body p {
  margin: 0;
  color: var(--muted);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.news-item {
  padding: 1.2rem 1.25rem;
  background: var(--paper);
  border-left: 3px solid transparent;
  transition: border-color 0.25s, background 0.25s;
}

.news-item:hover {
  border-left-color: var(--orange);
  background: #eef3f8;
}

.news-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0;
}

.news-item a:hover {
  color: var(--blue);
}

/* CTA / Contact */
.cta-band {
  position: relative;
  padding: clamp(4.5rem, 8vw, 6.5rem) 0;
  background:
    linear-gradient(120deg, rgba(36, 59, 85, 0.78), rgba(47, 79, 110, 0.7)),
    url("../assets/banner2.jpg") center / cover no-repeat;
  color: #fff;
}

.cta-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.cta-copy p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 34rem;
}

.contact-facts {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
}

.contact-facts li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-facts span {
  color: var(--orange-hot);
  font-weight: 600;
}

.contact-facts a:hover {
  color: #ffd4b0;
}

.contact-phones {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  line-height: 1.45;
}

.contact-phones a {
  display: block;
  color: #fff;
}

.contact-phones a:hover {
  color: #ffd4b0;
}

.contact-form {
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  padding: 1.6rem;
  display: grid;
  gap: 0.95rem;
  box-shadow: var(--shadow);
}

.contact-panel {
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  padding: 1.6rem;
  display: grid;
  gap: 0.95rem;
  box-shadow: var(--shadow);
}

.contact-panel .contact-form {
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.contact-quick {
  display: grid;
  gap: 0.65rem;
}

.contact-quick .btn {
  text-align: center;
  justify-content: center;
}

.contact-quick-note {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.contact-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.15rem 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.contact-divider::before,
.contact-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
}

.contact-form label span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-800);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
  background: #fff;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(27, 123, 191, 0.15);
}

.form-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, #2a445f 0%, #22384f 100%);
  color: rgba(255, 255, 255, 0.78);
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand img {
  margin-bottom: 1rem;
  height: 80px;
  width: auto;
  display: block;
  padding: 0.55rem 0.75rem;
  background: #fff;
  border-radius: 2px;
  image-rendering: auto;
}

.footer-brand p {
  margin: 0;
  max-width: 22rem;
  font-size: 0.95rem;
}

.site-footer h3 {
  margin: 0 0 1rem;
  color: #fff;
  font-size: 1rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li {
  margin-top: 0.55rem;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.1rem 0 1.4rem;
  font-size: 0.85rem;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

.footer-bottom p {
  margin: 0;
}

/* Back top */
.back-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(232, 106, 23, 0.35);
  z-index: 90;
}

.back-top::before {
  content: "↑";
  font-size: 1.1rem;
}

.back-top[hidden] {
  display: none;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}

/* Responsive */
@media (min-width: 1100px) {
  .header-phone {
    display: flex;
  }
}

@media (max-width: 980px) {
  .product-grid,
  .about-layout,
  .news-grid,
  .cta-layout,
  .footer-grid,
  .hero-content {
    grid-template-columns: 1fr;
  }

  .product-tile {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 200px;
  }

  .pillar-row,
  .case-grid,
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-stage {
    padding-top: calc(var(--header-h) + 1rem);
    min-height: auto;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 0.75rem 0 1rem;
  }

  .hero-aside {
    order: 2;
    min-height: 0;
  }

  .hero-main,
  .hero-aside {
    justify-content: flex-start;
  }

  .hero-main-body,
  .hero-aside-body {
    flex: 0 0 auto;
  }

  .hero-focus {
    flex: 0 0 auto;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  :root {
    --header-h: 64px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .header-actions .btn {
    display: none;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: grid;
    background: rgba(255, 255, 255, 0.98);
    padding: 0.75rem 1rem 1.1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: 0.35s var(--ease);
    border-bottom: 1px solid rgba(36, 59, 85, 0.1);
    box-shadow: 0 12px 28px rgba(36, 59, 85, 0.08);
  }

  .nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid rgba(36, 59, 85, 0.08);
  }

  .hero-hotline {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
    width: 100%;
  }

  .hero-bottom-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .pillar-row,
  .case-grid,
  .hero-stats,
  .hero-points {
    grid-template-columns: 1fr;
  }

  .hero-title {
    letter-spacing: 0.04em;
  }

  .hero-cta {
    width: 100%;
  }

  .hero-cta .btn {
    flex: 1 1 calc(50% - 0.5rem);
  }

  .hero-focus {
    grid-template-columns: 80px 1fr;
    flex: 0 0 auto;
  }

  .hero-focus img {
    width: 80px;
    height: 58px;
  }

  .case-card,
  .case-card img {
    min-height: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .hero-slide,
  .client-track {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ========== Inner pages ========== */
body.page-inner {
  background: var(--paper);
}

body.page-inner .site-header {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 var(--line);
}

body.page-inner .site-header.is-solid {
  background: rgba(255, 255, 255, 0.98);
}

.page-hero {
  position: relative;
  margin-top: var(--header-h);
  min-height: clamp(180px, 28vw, 280px);
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(26, 47, 69, 0.92), rgba(36, 59, 85, 0.78)),
    var(--page-hero-img, url("../assets/banner2.jpg")) center / cover no-repeat;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(16, 28, 42, 0.45));
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto 2rem;
}

.page-hero .eyebrow {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 0.4rem;
}

.page-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.page-hero p {
  margin: 0.65rem 0 0;
  max-width: 42rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.98rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span {
  opacity: 0.55;
}

.page-shell {
  width: min(1180px, calc(100% - 2.5rem));
  margin: -2.25rem auto 0;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 1.25rem;
  padding-bottom: 3.5rem;
}

.page-shell--single {
  grid-template-columns: 1fr;
}

.page-side,
.page-main {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.page-side {
  align-self: start;
  padding: 1.25rem 1rem;
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.page-side h2 {
  margin: 0 0 0.85rem;
  padding: 0 0.5rem 0.75rem;
  font-size: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--navy-900);
}

.side-nav {
  display: grid;
  gap: 0.15rem;
}

.side-nav a {
  display: block;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.95rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.side-nav a:hover,
.side-nav a.is-active {
  background: var(--paper-2);
  color: var(--navy-900);
  font-weight: 600;
}

.page-main {
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.page-main > .eyebrow {
  margin-bottom: 0.35rem;
}

.page-main > h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  color: var(--navy-900);
}

.prose p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

.prose table td,
.prose table th {
  border: 1px solid var(--line);
  padding: 0.5rem 0.65rem;
  vertical-align: top;
}

.prose h3 {
  margin: 1.5rem 0 0.65rem;
  font-size: 1.1rem;
  color: var(--navy-900);
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.prose li + li {
  margin-top: 0.35rem;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.catalog-card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1.1rem 1rem 1.2rem;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.catalog-card:hover {
  border-color: rgba(27, 123, 191, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.catalog-card .idx {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 0.45rem;
}

.catalog-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--navy-900);
  line-height: 1.4;
}

.catalog-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.catalog-card .link-arrow {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.88rem;
  color: var(--blue);
  font-weight: 600;
}

a.catalog-card {
  color: inherit;
}

.catalog-card--media {
  display: flex;
  flex-direction: column;
}

.catalog-thumb {
  margin: -1.1rem -1rem 0.85rem;
  aspect-ratio: 1 / 1;
  min-height: 210px;
  height: auto;
  overflow: hidden;
  background: #f3f6f9;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem;
  box-sizing: border-box;
}

.catalog-thumb img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 0;
  box-sizing: border-box;
  transition: transform 0.45s var(--ease);
}

.catalog-card--media:hover .catalog-thumb img {
  transform: scale(1.02);
}

a.case-row {
  color: inherit;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

a.case-row:hover {
  border-color: rgba(27, 123, 191, 0.35);
  transform: translateX(2px);
}

.case-row--media {
  grid-template-columns: 110px 72px 1fr;
  gap: 0.85rem;
}

.case-thumb {
  width: 110px;
  height: 82px;
  object-fit: contain;
  object-position: center;
  background: #f3f6f9;
  border: 1px solid var(--line);
  padding: 0.25rem;
}

.detail-visual {
  margin: 0 0 1.25rem;
  border: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
}

.detail-visual img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: #fff;
}

.media-video {
  margin: 0 0 1.5rem;
  border: 1px solid var(--line);
  background: #16352f url("../assets/video/company-intro-poster.jpg") center / cover no-repeat;
  overflow: hidden;
}

.media-video video {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  background: transparent;
  vertical-align: middle;
}

.media-video--home {
  margin: 0;
  max-width: 960px;
}

.media-video--home video {
  max-height: 560px;
}

.video-section .section-head {
  margin-bottom: 1.5rem;
}

.detail-prose h3:empty {
  display: none;
}

@media (max-width: 640px) {
  .case-row--media {
    grid-template-columns: 88px 1fr;
  }

  .case-row--media time {
    grid-column: 2;
  }

  .case-thumb {
    width: 88px;
    height: 68px;
    grid-row: 1 / span 2;
  }

  .catalog-thumb {
    min-height: 190px;
    aspect-ratio: 1 / 1;
  }
}

.case-list {
  display: grid;
  gap: 0.75rem;
}

.case-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.case-row time {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--orange);
  font-weight: 600;
}

.case-row h3 {
  margin: 0;
  font-size: 0.98rem;
  color: var(--navy-900);
  font-weight: 600;
}

/* Case catalog grid — like original site */
.case-catalog {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.case-tile {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: #fff;
  color: inherit;
  overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.case-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(27, 123, 191, 0.28);
}

.case-tile-media {
  aspect-ratio: 4 / 3;
  background: #eef3f7;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.case-tile-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.45s var(--ease);
}

.case-tile:hover .case-tile-media img {
  transform: scale(1.04);
}

.case-tile-body {
  padding: 0.85rem 0.9rem 1rem;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.case-tile-year {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
}

.case-tile-body h3 {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--navy-900);
  font-weight: 600;
}

@media (max-width: 960px) {
  .case-catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .case-catalog {
    grid-template-columns: 1fr;
  }
}

.news-index {
  display: grid;
  gap: 1rem;
}

.news-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.news-card:hover {
  border-color: rgba(27, 123, 191, 0.35);
  box-shadow: var(--shadow);
}

.news-card img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  background: var(--paper-2);
}

.news-card time {
  display: block;
  font-size: 0.82rem;
  color: var(--orange);
  margin-bottom: 0.35rem;
}

.news-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  color: var(--navy-900);
}

.news-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0 0 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.idea-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.idea-card {
  padding: 1.25rem;
  background: linear-gradient(160deg, var(--paper), #fff);
  border: 1px solid var(--line);
}

.idea-card strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--navy-900);
}

.idea-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.slogan-banner {
  margin: 0 0 1.5rem;
  padding: 1.5rem 1.25rem;
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
  text-align: center;
}

.slogan-banner p {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.75;
}

.slogan-banner strong {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  letter-spacing: 0.12em;
}

.honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  counter-reset: item;
}

.honor-visual {
  margin: 0 0 1.35rem;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.honor-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  max-height: 520px;
  background: #f7f9fb;
}

.honor-list li {
  position: relative;
  padding: 1rem 1rem 1rem 2.75rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
}

.honor-list li::before {
  content: counter(item, decimal-leading-zero);
  counter-increment: item;
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--orange);
  font-weight: 700;
}

.honor-list {
  counter-reset: item;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--line);
}

.timeline li {
  position: relative;
  padding: 0 0 1.5rem 1.5rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(232, 106, 23, 0.2);
}

.timeline strong {
  display: block;
  color: var(--navy-900);
  margin-bottom: 0.25rem;
}

.timeline span {
  color: var(--muted);
  font-size: 0.92rem;
}

.office-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.office-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f3f6f9;
}

.office-grid-wide {
  grid-column: 1 / -1;
}

.office-grid img {
  width: 100%;
  height: auto;
  min-height: 220px;
  max-height: 420px;
  object-fit: contain;
  display: block;
  background: #f3f6f9;
}

.contact-page-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1.25rem;
}

.contact-panel {
  padding: 1.5rem;
  background: linear-gradient(145deg, var(--navy-900), var(--navy-700));
  color: #fff;
}

.contact-panel h2 {
  margin: 0 0 0.75rem;
  color: #fff;
}

.contact-panel p {
  margin: 0 0 1.25rem;
  color: rgba(255, 255, 255, 0.78);
}

.contact-panel .contact-facts li {
  border-color: rgba(255, 255, 255, 0.14);
}

.contact-panel .contact-facts span:first-child {
  color: rgba(255, 255, 255, 0.55);
}

.contact-panel a {
  color: #fff;
}

.page-cta {
  margin-top: 1.75rem;
  padding: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.page-cta p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .page-shell {
    grid-template-columns: 1fr;
    margin-top: -1.5rem;
  }

  .page-side {
    position: static;
  }

  .side-nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-card {
    grid-template-columns: 1fr;
  }

  .news-card img {
    height: 180px;
  }

  .contact-page-grid,
  .idea-grid,
  .office-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .side-nav {
    grid-template-columns: 1fr;
  }

  .case-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .entity-facts > div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

/* AI GEO：企业名片与 FAQ */
.entity-card {
  margin: 0 0 1.5rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.entity-card h3 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}

.entity-facts {
  margin: 0;
  display: grid;
  gap: 0.55rem 1.25rem;
}

.entity-facts > div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.5rem;
  align-items: start;
}

.entity-facts dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.entity-facts dd {
  margin: 0;
  font-weight: 500;
}

.faq-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  max-width: 880px;
}

.faq-list details {
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  background: var(--paper);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-list p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.about-faq {
  margin: 2rem 0 0;
}

.about-faq > h3 {
  margin: 0.35rem 0 0.5rem;
}

.about-faq-lead {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.team-roles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0 0 1.5rem;
}

.team-role {
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
  background: var(--paper);
}

.team-role h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.team-role p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

@media (max-width: 640px) {
  .team-roles {
    grid-template-columns: 1fr;
  }
}