:root {
  --color-black: #111111;
  --color-navy: #071a2f;
  --color-navy-2: #0b1f3a;
  --color-blue: #1677ff;
  --color-cyan: #16c7d9;
  --color-ink: #1f2933;
  --color-muted: #667085;
  --color-border: #dbe4f0;
  --color-cream: #f7f4ef;
  --color-soft: #f5f7fa;
  --color-white: #ffffff;
  --shadow-soft: 0 16px 36px rgba(7, 26, 47, 0.08);
  --radius: 14px;
  --container: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
  background: var(--color-cream);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 18px clamp(24px, 5vw, 72px);
  color: var(--color-ink);
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  padding-top: 12px;
  padding-bottom: 12px;
  color: var(--color-ink);
  background: rgba(247, 244, 239, 0.9);
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 310px;
}

.brand-mark {
  display: block;
  width: 72px;
  height: 46px;
  overflow: hidden;
  flex: 0 0 auto;
}

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

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--color-black);
  font-size: 15px;
  line-height: 1.15;
  font-weight: 700;
}

.brand small {
  margin-top: 4px;
  color: currentColor;
  font-size: 10.5px;
  letter-spacing: 0;
  opacity: 0.58;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  opacity: 0.86;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-blue);
  opacity: 1;
}

.site-nav a.nav-cta {
  padding: 10px 18px;
  border: 1px solid rgba(7, 26, 47, 0.18);
  border-radius: 999px;
  color: var(--color-white);
  background: var(--color-navy);
  box-shadow: none;
}

.site-nav .nav-cta > a {
  padding: 10px 18px;
  border: 1px solid rgba(7, 26, 47, 0.18);
  border-radius: 999px;
  color: var(--color-white);
  background: var(--color-navy);
  opacity: 1;
}

.site-header.is-scrolled .site-nav a.nav-cta,
.site-header.is-open .site-nav a.nav-cta {
  color: var(--color-white);
  border-color: transparent;
  background: var(--color-navy);
}

.site-header.is-scrolled .site-nav .nav-cta > a,
.site-header.is-open .site-nav .nav-cta > a {
  color: var(--color-white);
  border-color: transparent;
  background: var(--color-navy);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(7, 26, 47, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.38);
}

.site-header.is-scrolled .nav-toggle,
.site-header.is-open .nav-toggle {
  border-color: rgba(7, 26, 47, 0.16);
  background: rgba(255, 255, 255, 0.5);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  color: var(--color-ink);
  background:
    radial-gradient(circle at 82% 18%, rgba(22, 119, 255, 0.075), transparent 34%),
    linear-gradient(180deg, var(--color-cream) 0%, #fbfaf7 62%, var(--color-soft) 100%);
}

.hero::before {
  position: absolute;
  top: 122px;
  right: max(-80px, calc((100vw - 1200px) / 2 - 160px));
  width: min(560px, 44vw);
  height: min(460px, 36vw);
  content: "";
  background: var(--zhikai-logo-url, url("../images/zhikai-logo.png")) center / contain no-repeat;
  opacity: 0.035;
  pointer-events: none;
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 82%, rgba(245, 247, 250, 0.9) 100%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(320px, 0.66fr);
  gap: clamp(72px, 8vw, 118px);
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 154px 0 54px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 28px;
  color: var(--color-black);
  font-size: clamp(48px, 4.7vw, 68px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  color: var(--color-navy);
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  color: var(--color-navy);
  font-size: 21px;
  line-height: 1.28;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 720px;
  margin-bottom: 38px;
  color: var(--color-muted);
  font-size: 17px;
  line-height: 2;
}

.hero-title {
  display: grid;
  gap: 2px;
  margin-bottom: 24px;
}

.hero-title span {
  display: block;
}

.hero-position {
  margin-bottom: 20px;
  color: var(--color-navy);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: var(--color-white);
  background: var(--color-navy);
  box-shadow: 0 10px 22px rgba(7, 26, 47, 0.14);
}

.btn-secondary {
  border: 1px solid rgba(7, 26, 47, 0.22);
  color: var(--color-navy);
  background: transparent;
}

.delivery-path {
  align-self: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.delivery-heading {
  margin-bottom: 32px;
}

.delivery-heading span {
  display: block;
  margin-bottom: 10px;
  color: var(--color-black);
  font-size: 19px;
  font-weight: 700;
}

.delivery-heading p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.8;
}

.path-list {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.path-list::before {
  position: absolute;
  top: 17px;
  bottom: 17px;
  left: 7px;
  width: 1px;
  content: "";
  background: rgba(7, 26, 47, 0.14);
}

.path-list li {
  position: relative;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  min-height: 52px;
  padding: 0 0 0 0;
}

.path-list span {
  position: relative;
  z-index: 1;
  width: 15px;
  height: 15px;
  overflow: hidden;
  border: 1px solid rgba(22, 119, 255, 0.5);
  border-radius: 50%;
  color: transparent;
  background: var(--color-cream);
  text-indent: -999px;
}

.path-list strong {
  display: block;
  padding: 0 0 0 0;
  border: 0;
  border-radius: 0;
  color: var(--color-ink);
  background: transparent;
  font-size: 17px;
  font-weight: 600;
}

.hero-proofbar {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  overflow: hidden;
  border-top: 1px solid rgba(7, 26, 47, 0.12);
  border-radius: 0;
  background: transparent;
}

.hero-proofbar span {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: flex-start;
  padding: 18px 0;
  color: var(--color-muted);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
}

.hero-proofbar span + span {
  border-left: 0;
}

.section {
  padding: 94px 0;
}

.services,
.cases {
  background: var(--color-soft);
}

.independent-site {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(22, 119, 255, 0.055), transparent 34%),
    linear-gradient(180deg, var(--color-cream), #fbfaf7);
}

.section-heading {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading p:not(.eyebrow) {
  color: var(--color-muted);
  font-size: 17px;
}

.service-grid,
.case-grid {
  display: grid;
  gap: 22px;
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.service-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.case-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-card,
.case-card,
.process-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.service-card {
  padding: 30px;
}

.service-card-featured {
  border-color: rgba(7, 26, 47, 0.18);
  background:
    linear-gradient(180deg, rgba(22, 119, 255, 0.045), rgba(255, 255, 255, 0) 38%),
    var(--color-white);
}

.icon-box {
  display: inline-grid;
  min-width: 52px;
  height: 52px;
  padding: 0 12px;
  place-items: center;
  border-radius: var(--radius);
  color: var(--color-blue);
  background: linear-gradient(135deg, rgba(14, 99, 255, 0.12), rgba(32, 199, 232, 0.14));
  font-size: 13px;
  font-weight: 800;
}

.service-card h3 {
  margin: 22px 0 12px;
}

.service-card p,
.case-body p,
.about-content p,
.contact-inner p {
  color: var(--color-muted);
}

.service-card ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  position: relative;
  padding: 9px 0 9px 18px;
  border-top: 1px solid #edf1f7;
  color: #40506a;
  font-size: 14px;
}

.service-card li::before {
  position: absolute;
  top: 19px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-cyan);
  content: "";
}

.text-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--color-navy);
  font-size: 14px;
  font-weight: 700;
}

.text-link:hover {
  color: var(--color-blue);
}

.independent-site-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.74fr);
  gap: clamp(42px, 6vw, 82px);
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(38px, 5vw, 62px);
  border: 1px solid rgba(7, 26, 47, 0.08);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.48)),
    var(--color-cream);
  box-shadow: 0 24px 64px rgba(17, 17, 17, 0.08);
}

.independent-copy {
  align-self: center;
}

.independent-copy h2 {
  max-width: 620px;
  margin-bottom: 20px;
}

.section-lead {
  max-width: 680px;
  margin-bottom: 20px;
  color: var(--color-text);
  font-size: 19px;
  line-height: 1.85;
}

.independent-copy p:not(.eyebrow):not(.section-lead) {
  max-width: 720px;
  color: var(--color-muted);
  line-height: 1.95;
}

.independent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.independent-list {
  display: grid;
  gap: 12px;
  align-self: stretch;
  padding: 12px 0;
}

.independent-list span {
  position: relative;
  display: flex;
  min-height: 54px;
  align-items: center;
  padding: 14px 16px 14px 42px;
  border: 1px solid rgba(7, 26, 47, 0.08);
  border-radius: 14px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.64);
  font-size: 15px;
  font-weight: 700;
}

.independent-list span::before {
  position: absolute;
  left: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-blue);
  content: "";
}

.advantage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.72fr);
  gap: 36px;
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.advantage-list {
  display: grid;
  gap: 18px;
}

.advantage-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 20px;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
}

.advantage-item > span {
  color: var(--color-blue);
  font-size: 24px;
  font-weight: 800;
}

.advantage-item h3 {
  margin-bottom: 6px;
}

.advantage-item p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.process-card {
  align-self: stretch;
  padding: 30px;
  background:
    linear-gradient(180deg, rgba(14, 99, 255, 0.05), rgba(32, 199, 232, 0.07)),
    var(--color-white);
}

.process-card h3 {
  margin-bottom: 22px;
}

.process-card ol {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-card li {
  position: relative;
  padding-left: 42px;
  counter-increment: process;
}

.process-card li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-blue);
  content: counter(process);
  font-size: 13px;
  font-weight: 800;
}

.process-card strong,
.process-card span {
  display: block;
}

.process-card span {
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 14px;
}

.case-card {
  overflow: hidden;
}

.case-media {
  display: flex;
  min-height: 188px;
  align-items: flex-end;
  padding: 22px;
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(7, 24, 47, 0.2), rgba(7, 24, 47, 0.82)),
    linear-gradient(135deg, #0e63ff, #20c7e8);
}

.case-media-alt {
  background:
    linear-gradient(135deg, rgba(7, 24, 47, 0.24), rgba(7, 24, 47, 0.84)),
    linear-gradient(135deg, #173b72, #44a3ff);
}

.case-media-cloud {
  background:
    linear-gradient(135deg, rgba(7, 24, 47, 0.22), rgba(7, 24, 47, 0.82)),
    linear-gradient(135deg, #0b767f, #49d6bd);
}

.case-media-site {
  background:
    linear-gradient(135deg, rgba(7, 24, 47, 0.24), rgba(7, 24, 47, 0.82)),
    linear-gradient(135deg, #071a2f, #1677ff);
}

.case-media span {
  display: inline-flex;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  font-size: 12px;
  font-weight: 800;
}

.case-body {
  padding: 24px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tags span {
  padding: 6px 9px;
  border-radius: var(--radius);
  color: #245381;
  background: #edf6ff;
  font-size: 12px;
  font-weight: 700;
}

.news {
  background: var(--color-cream);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.news-card {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  color: var(--color-muted);
  font-size: 13px;
}

.news-meta span {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--color-blue);
  background: rgba(22, 119, 255, 0.08);
  font-weight: 700;
}

.news-card h2,
.news-card h3 {
  margin-bottom: 16px;
  color: var(--color-black);
  font-size: 22px;
  line-height: 1.35;
}

.news-card h2 a,
.news-card h3 a {
  color: inherit;
}

.news-card h2 a:hover,
.news-card h3 a:hover {
  color: var(--color-blue);
}

.news-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  line-height: 1.85;
}

.news-card .text-link {
  margin-top: auto;
  padding-top: 28px;
}

.section-actions {
  display: flex;
  justify-content: center;
  width: min(var(--container), calc(100% - 40px));
  margin: 34px auto 0;
}

.section-actions .btn-secondary {
  border-color: rgba(7, 26, 47, 0.22);
  color: var(--color-navy);
}

.empty-state {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  padding: 34px;
  border: 1px solid rgba(7, 26, 47, 0.08);
  border-radius: var(--radius);
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.72);
  text-align: center;
}

.news-archive-section {
  background: var(--color-cream);
}

.news-archive-grid {
  align-items: stretch;
}

.pagination-wrap {
  display: flex;
  justify-content: center;
  gap: 8px;
  width: min(var(--container), calc(100% - 40px));
  margin: 42px auto 0;
}

.pagination-wrap .page-numbers {
  display: inline-flex;
  min-width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid rgba(7, 26, 47, 0.12);
  border-radius: 999px;
  color: var(--color-navy);
  background: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  font-weight: 700;
}

.pagination-wrap .page-numbers.current,
.pagination-wrap .page-numbers:hover {
  border-color: var(--color-navy);
  color: var(--color-white);
  background: var(--color-navy);
}

.single-post-section {
  background: var(--color-cream);
}

.post-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--color-muted);
  font-size: 14px;
}

.post-meta-line span {
  display: inline-flex;
  gap: 8px;
}

.post-meta-line a {
  color: var(--color-blue);
  font-weight: 700;
}

.post-content {
  width: min(840px, 100%);
  margin: 0 auto;
  color: var(--color-text);
  font-size: 17px;
  line-height: 2;
}

.post-content > * + * {
  margin-top: 1.2em;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 2.2em;
  color: var(--color-black);
  line-height: 1.35;
}

.post-content h2 {
  font-size: 30px;
}

.post-content h3 {
  font-size: 24px;
}

.post-content p,
.post-content li {
  color: var(--color-text);
}

.post-content a {
  color: var(--color-blue);
  font-weight: 700;
}

.post-content ul,
.post-content ol {
  padding-left: 1.4em;
}

.post-content blockquote {
  margin-left: 0;
  padding: 22px 24px;
  border-left: 3px solid var(--color-blue);
  border-radius: var(--radius);
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.74);
}

.post-navigation {
  width: min(840px, 100%);
  margin: 58px auto 0;
}

.post-nav-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.post-nav-item {
  min-height: 112px;
  padding: 22px;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.post-nav-item span {
  display: block;
  margin-bottom: 10px;
  color: var(--color-muted);
  font-size: 13px;
}

.post-nav-item a {
  color: var(--color-black);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
}

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

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(330px, 0.72fr);
  gap: 52px;
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.about-content {
  align-self: center;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.about-stats div {
  min-height: 144px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.about-stats strong,
.about-stats span {
  display: block;
}

.about-stats strong {
  margin-bottom: 10px;
  color: var(--color-blue);
  font-size: 30px;
}

.about-stats span {
  color: var(--color-muted);
}

.contact-band {
  padding: 76px 20px;
  color: var(--color-white);
  background:
    radial-gradient(circle at 86% 25%, rgba(32, 199, 232, 0.22), transparent 34%),
    linear-gradient(135deg, #061b36, #0a3b78);
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  width: min(var(--container), 100%);
  margin: 0 auto;
}

.contact-inner h2 {
  max-width: 760px;
  color: var(--color-white);
}

.contact-inner p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px clamp(20px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.74);
  background: #041225;
}

.site-footer strong {
  color: var(--color-white);
}

.site-footer p {
  margin: 6px 0 0;
  font-size: 14px;
}

.site-footer .site-copyright {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
  line-height: 1.7;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}

.site-footer a:hover {
  color: var(--color-cyan);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 168px 24px 100px;
  background:
    radial-gradient(circle at 78% 18%, rgba(22, 119, 255, 0.065), transparent 34%),
    linear-gradient(180deg, var(--color-cream) 0%, #fbfaf7 70%, var(--color-soft) 100%);
}

.page-hero::before {
  position: absolute;
  top: 116px;
  right: max(-90px, calc((100vw - 1200px) / 2 - 170px));
  width: min(520px, 44vw);
  height: min(430px, 36vw);
  content: "";
  background: var(--zhikai-logo-url, url("../images/zhikai-logo.png")) center / contain no-repeat;
  opacity: 0.032;
  pointer-events: none;
}

.breadcrumb {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto -126px;
  padding-top: 112px;
  color: var(--color-muted);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--color-navy);
  font-weight: 700;
}

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

.breadcrumb span:last-child {
  color: var(--color-muted);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1200px, 100%);
  margin: 0 auto;
}

.page-hero h1 {
  max-width: 820px;
  margin-bottom: 24px;
}

.page-hero-lead {
  max-width: 780px;
  margin-bottom: 34px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.95;
}

.inner-section {
  padding: 88px 24px;
  background: var(--color-cream);
}

.section-soft {
  background: var(--color-soft);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: clamp(44px, 6vw, 92px);
  width: min(1200px, 100%);
  margin: 0 auto;
}

.split-layout h2 {
  max-width: 560px;
}

.intro-copy {
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.9;
}

.intro-copy p:last-child {
  margin-bottom: 0;
}

.feature-grid,
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.feature-card,
.scenario-card {
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.feature-card {
  padding: 28px;
}

.feature-card span {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--color-blue);
  font-size: 14px;
  font-weight: 800;
}

.feature-card h3,
.scenario-card h3 {
  margin-bottom: 12px;
  color: var(--color-black);
}

.feature-card p,
.scenario-card p,
.section-note {
  color: var(--color-muted);
}

.feature-card p,
.scenario-card p {
  margin-bottom: 0;
}

.industry-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  width: min(1000px, calc(100% - 48px));
  margin: 0 auto;
}

.industry-list span {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: 999px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.58);
  font-weight: 700;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 16px 18px 16px 42px;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.66);
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  top: 23px;
  left: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-blue);
  content: "";
}

.service-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.service-strip div {
  min-height: 132px;
  padding: 24px;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
}

.service-strip strong,
.service-strip span {
  display: block;
}

.service-strip strong {
  margin-bottom: 10px;
  color: var(--color-black);
  font-size: 18px;
}

.service-strip span {
  color: var(--color-muted);
  line-height: 1.75;
}

.page-process {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: page-process;
}

.page-process li {
  position: relative;
  padding-left: 54px;
  counter-increment: page-process;
}

.page-process li::before {
  position: absolute;
  top: 2px;
  left: 0;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(22, 119, 255, 0.38);
  border-radius: 50%;
  color: var(--color-blue);
  content: counter(page-process, decimal-leading-zero);
  font-size: 12px;
  font-weight: 800;
}

.page-process strong,
.page-process span {
  display: block;
}

.page-process strong {
  margin-bottom: 5px;
  color: var(--color-black);
  font-size: 18px;
}

.page-process span {
  color: var(--color-muted);
  line-height: 1.75;
}

.scenario-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.scenario-card {
  padding: 26px;
}

.solution-list {
  display: grid;
  gap: 18px;
}

.solution-list div {
  padding: 24px 0;
  border-top: 1px solid rgba(7, 26, 47, 0.12);
}

.solution-list div:last-child {
  border-bottom: 1px solid rgba(7, 26, 47, 0.12);
}

.solution-list strong,
.solution-list span {
  display: block;
}

.solution-list strong {
  margin-bottom: 8px;
  color: var(--color-black);
  font-size: 19px;
}

.solution-list span {
  color: var(--color-muted);
  line-height: 1.8;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: min(1000px, calc(100% - 48px));
  margin: 0 auto;
}

.client-grid div {
  display: flex;
  min-height: 98px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.58);
  font-weight: 700;
}

.project-case-list {
  display: grid;
  gap: 22px;
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.project-case-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(0, 1fr);
  gap: 34px;
  padding: 30px;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.project-case-head span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 800;
}

.project-case-head h3 {
  margin-bottom: 12px;
  color: var(--color-black);
}

.project-case-head p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.project-case-body {
  display: grid;
  gap: 18px;
}

.project-case-body strong {
  display: block;
  margin-bottom: 5px;
  color: var(--color-navy);
}

.project-case-body p {
  margin-bottom: 0;
  color: var(--color-muted);
  line-height: 1.75;
}

.article-list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.article-page-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(280px, 0.28fr);
  gap: clamp(34px, 5vw, 72px);
  width: min(1100px, 100%);
  margin: 0 auto;
}

.article-aside {
  align-self: start;
  padding: 24px;
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.article-aside h2 {
  margin-bottom: 16px;
  font-size: 22px;
}

.article-aside a {
  display: block;
  padding: 12px 0;
  border-top: 1px solid rgba(7, 26, 47, 0.08);
  color: var(--color-navy);
  font-weight: 700;
}

.contact-method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.contact-method-card,
.office-card,
.contact-form-card {
  border: 1px solid rgba(7, 26, 47, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.contact-method-card {
  padding: 26px;
}

.contact-method-card span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 800;
}

.contact-method-card h2,
.contact-method-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.contact-method-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(320px, 0.3fr);
  gap: 24px;
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.contact-form-card,
.office-card {
  padding: 30px;
}

.contact-form-grid {
  display: grid;
  gap: 14px;
}

.form-notice {
  border-radius: 14px;
  padding: 13px 15px;
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.7;
}

.form-notice-success {
  border: 1px solid rgba(22, 163, 74, 0.18);
  color: #166534;
  background: rgba(240, 253, 244, 0.86);
}

.form-notice-error {
  border: 1px solid rgba(220, 38, 38, 0.18);
  color: #991b1b;
  background: rgba(254, 242, 242, 0.86);
}

.form-hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form-shortcode {
  display: grid;
  gap: 14px;
}

.contact-form-grid label {
  display: grid;
  gap: 8px;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 700;
}

.contact-form-grid input,
.contact-form-grid textarea,
.contact-form-shortcode input[type="text"],
.contact-form-shortcode input[type="email"],
.contact-form-shortcode input[type="tel"],
.contact-form-shortcode input[type="url"],
.contact-form-shortcode textarea,
.contact-form-shortcode select,
.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form textarea,
.wpforms-form input[type="text"],
.wpforms-form input[type="email"],
.wpforms-form input[type="tel"],
.wpforms-form textarea {
  width: 100%;
  border: 1px solid rgba(7, 26, 47, 0.12);
  border-radius: 12px;
  padding: 13px 14px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.82);
  font: inherit;
}

.contact-form-grid textarea {
  min-height: 136px;
  resize: vertical;
}

.contact-form-shortcode textarea,
.wpcf7-form textarea,
.wpforms-form textarea {
  min-height: 136px;
  resize: vertical;
}

.contact-form-shortcode input[type="submit"],
.contact-form-shortcode button[type="submit"],
.wpcf7-form input[type="submit"],
.wpforms-form button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--color-navy);
  border-radius: 999px;
  padding: 0 22px;
  color: #fff;
  background: var(--color-navy);
  font-weight: 700;
  cursor: pointer;
}

.office-card p {
  color: var(--color-muted);
}

.contact-panel {
  padding: 88px 24px;
  background: var(--color-cream);
}

.contact-panel-inner {
  width: min(1000px, 100%);
  margin: 0 auto;
  padding: clamp(34px, 5vw, 56px);
  border-radius: 24px;
  color: var(--color-white);
  background: var(--color-navy);
}

.contact-panel h2 {
  max-width: 720px;
  color: var(--color-white);
}

.contact-panel p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.85;
}

.contact-panel .btn-primary {
  margin-top: 12px;
  color: var(--color-navy);
  background: var(--color-white);
}

@media (max-width: 1180px) {
  .service-grid,
  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-strip,
  .article-list-grid,
  .contact-method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  body.nav-open {
    overflow: hidden;
  }

  .site-header {
    gap: 18px;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 32;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    right: 16px;
    bottom: auto;
    left: auto;
    display: grid;
    width: min(78vw, 340px);
    align-items: stretch;
    align-content: start;
    gap: 8px;
    padding: 14px;
    border: 1px solid rgba(7, 26, 47, 0.1);
    border-radius: var(--radius);
    color: var(--color-ink);
    background:
      radial-gradient(circle at 90% 0%, rgba(22, 119, 255, 0.08), transparent 36%),
      rgba(247, 244, 239, 0.98);
    box-shadow: 0 22px 46px rgba(17, 17, 17, 0.14);
    backdrop-filter: blur(18px);
    opacity: 0;
    pointer-events: none;
    transform: translateX(calc(100% + 24px));
    transition: opacity 0.24s ease, transform 0.24s ease;
  }

  .site-nav ul {
    display: grid;
    gap: 8px;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }

  .site-nav a {
    padding: 13px 12px;
    border-bottom: 1px solid rgba(7, 26, 47, 0.08);
    opacity: 0.88;
    text-align: left;
  }

  .site-nav a.nav-cta {
    display: flex;
    justify-content: center;
    margin-top: 14px;
    padding: 13px 16px;
    border: 1px solid var(--color-navy);
    color: var(--color-white);
    background: var(--color-navy);
  }

  .site-nav .nav-cta > a {
    display: flex;
    justify-content: center;
    margin-top: 14px;
    padding: 13px 16px;
    border: 1px solid var(--color-navy);
    color: var(--color-white);
    background: var(--color-navy);
  }

  .hero-grid,
  .advantage-layout,
  .independent-site-inner,
  .about {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 42px;
    padding-top: 132px;
  }

  .service-grid,
  .case-grid,
    .news-grid,
    .feature-grid,
    .scenario-grid,
    .client-grid,
    .service-strip,
    .article-list-grid,
    .contact-method-grid,
    .contact-layout,
    .article-page-layout,
    .independent-site-inner,
    .project-case-card {
    grid-template-columns: 1fr;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .industry-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-inner,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-right: 16px;
    padding-left: 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 58px;
    height: 38px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    width: calc(100% - 32px);
    gap: 34px;
    padding: 112px 0 30px;
  }

  h1 {
    font-size: 42px;
    line-height: 1.1;
  }

  h2 {
    font-size: 29px;
  }

  .hero-lead {
    margin-bottom: 26px;
    font-size: 15px;
    line-height: 1.8;
  }

  .hero-actions,
  .about-stats {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn,
  .contact-inner .btn {
    width: 100%;
  }

  .hero-actions {
    gap: 12px;
    margin-bottom: 0;
  }

  .hero-position {
    margin-bottom: 14px;
    font-size: 18px;
    line-height: 1.55;
  }

  .delivery-path {
    padding: 0;
  }

  .delivery-heading {
    margin-bottom: 22px;
  }

  .delivery-heading span {
    font-size: 18px;
  }

  .path-list {
    gap: 0;
  }

  .path-list li {
    grid-template-columns: 15px minmax(0, 1fr);
    gap: 16px;
    min-height: 46px;
  }

  .path-list::before {
    left: 7px;
  }

  .path-list span {
    width: 15px;
    height: 15px;
  }

  .path-list strong {
    padding: 0;
    font-size: 15px;
  }

  .hero-proofbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: calc(100% - 32px);
    margin-top: 0;
    gap: 0 18px;
  }

  .hero-proofbar span {
    min-height: auto;
    padding: 12px 0;
    font-size: 13px;
  }

  .hero-proofbar span + span {
    border-left: 0;
  }

  .hero-proofbar span:nth-child(2n) {
    border-left: 0;
  }

  .hero-proofbar span:nth-child(n + 3) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .section {
    padding: 72px 0;
  }

  .section-heading,
  .service-grid,
  .case-grid,
    .news-grid,
    .feature-grid,
    .scenario-grid,
    .client-grid,
    .service-strip,
    .article-list-grid,
    .contact-method-grid,
    .contact-layout,
    .independent-site-inner,
    .project-case-list,
    .advantage-layout,
    .about {
    width: calc(100% - 32px);
  }

  .service-card,
  .advantage-item,
    .process-card,
    .case-body,
    .news-card,
    .independent-site-inner {
    padding: 22px;
  }

  .independent-actions {
    display: grid;
  }

  .independent-list {
    padding: 0;
  }

  .news-card {
    min-height: auto;
  }

  .news-meta {
    margin-bottom: 22px;
  }

  .news-card h2,
  .news-card h3 {
    font-size: 20px;
  }

  .advantage-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contact-band {
    padding: 64px 16px;
  }

  .site-footer {
    padding: 30px 16px;
  }

  .page-hero {
    padding: 126px 16px 72px;
  }

  .breadcrumb {
    width: calc(100% - 32px);
    margin-bottom: -96px;
    padding-top: 92px;
    font-size: 12px;
  }

  .page-hero h1 {
    font-size: 42px;
  }

  .page-hero-lead,
  .intro-copy,
  .contact-panel p:not(.eyebrow) {
    font-size: 15px;
    line-height: 1.8;
  }

  .inner-section,
  .contact-panel {
    padding: 68px 16px;
  }

  .empty-state,
  .pagination-wrap,
  .post-content,
  .post-navigation {
    width: calc(100% - 32px);
  }

  .pagination-wrap {
    flex-wrap: wrap;
  }

  .post-content {
    font-size: 15px;
    line-height: 1.9;
  }

  .post-content h2 {
    font-size: 24px;
  }

  .post-content h3 {
    font-size: 20px;
  }

  .post-nav-links {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .scenario-card,
  .project-case-card {
    padding: 22px;
  }

  .client-grid div {
    min-height: 76px;
    font-size: 14px;
  }

  .industry-list {
    width: calc(100% - 32px);
  }

  .industry-list span {
    min-height: 52px;
    padding: 0 12px;
    font-size: 14px;
    text-align: center;
  }
}