:root {
  --navy: #09245d;
  --navy-2: #14366d;
  --ink: #16243b;
  --muted: #61708c;
  --line: #dce5ef;
  --wash: #f3f8fc;
  --white: #ffffff;
  --yellow: #ffc51b;
  --yellow-dark: #e8a900;
  --teal: #87bec1;
  --shadow: 0 20px 60px rgba(9, 36, 93, 0.12);
  --container: 1180px;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 10px 16px; background: var(--yellow); color: var(--navy); font-weight: 800; }
.skip-link:focus { top: 16px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 92px 0; }
.section--soft { background: var(--wash); }
.section--navy { background: var(--navy); color: var(--white); }
.section-head { max-width: 760px; margin: 0 auto 46px; text-align: center; }
.section-head--left { margin-inline: 0; text-align: left; }
.section-title { margin: 0; color: var(--navy); font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.18; letter-spacing: -0.045em; }
.section--navy .section-title { color: var(--white); }
.section-lead { margin: 16px 0 0; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.16rem); }
.section--navy .section-lead { color: #c9d6e8; }
.accent-line { width: 64px; height: 4px; margin-top: 18px; background: var(--yellow); border-radius: 999px; }
.section-head:not(.section-head--left) .accent-line { margin-inline: auto; }
.eyebrow { margin: 0 0 12px; color: var(--navy-2); font-size: .86rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 10px; padding: 0 24px; border: 1px solid transparent; border-radius: 7px; background: var(--yellow); color: var(--navy); font-weight: 800; line-height: 1.2; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); background: #ffd246; box-shadow: 0 12px 30px rgba(255, 197, 27, .24); }
.button:focus-visible, .nav-link:focus-visible, .text-link:focus-visible { outline: 3px solid rgba(255, 197, 27, .55); outline-offset: 4px; }
.button--outline { border-color: var(--navy); background: transparent; color: var(--navy); }
.button--outline:hover { background: var(--navy); color: var(--white); box-shadow: none; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--navy); font-weight: 800; border-bottom: 2px solid var(--yellow); }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(9, 36, 93, .08); background: rgba(255,255,255,.96); backdrop-filter: blur(14px); }
.header-inner { display: flex; min-height: 78px; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--navy); font-weight: 900; font-size: 1.34rem; letter-spacing: -.04em; white-space: nowrap; }
.brand img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.nav-link { position: relative; color: #213557; font-size: .95rem; font-weight: 700; }
.nav-link::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 3px; background: var(--yellow); transition: right .2s ease; }
.nav-link:hover::after, .nav-link[aria-current="page"]::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-button { min-height: 44px; padding-inline: 19px; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: var(--navy); cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px auto; background: currentColor; transition: transform .2s ease, opacity .2s ease; }

.hero { position: relative; overflow: hidden; background: var(--white); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr); min-height: 570px; align-items: stretch; }
.hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; padding: 78px 56px 78px 0; }
.hero-title { margin: 0; color: var(--navy); font-size: clamp(2.55rem, 5vw, 4.5rem); line-height: 1.08; letter-spacing: -.055em; }
.hero-subtitle { margin: 24px 0 0; color: var(--navy-2); font-size: clamp(1.03rem, 1.7vw, 1.3rem); font-weight: 650; }
.hero-note { max-width: 620px; margin: 18px 0 0; color: var(--muted); font-size: 1rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 34px; }
.hero-media { position: relative; min-height: 510px; }
.hero-media::before { content: ""; position: absolute; inset: 0 auto 0 0; z-index: 1; width: 30%; background: linear-gradient(90deg, var(--white), transparent); pointer-events: none; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.trust-band { border-block: 1px solid var(--line); background: var(--white); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { display: grid; grid-template-columns: 46px 1fr; align-items: center; gap: 14px; min-height: 116px; padding: 22px 24px; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-icon { display: grid; width: 44px; height: 44px; place-items: center; color: var(--navy); }
.trust-icon svg { width: 34px; height: 34px; }
.trust-item strong { display: block; color: var(--navy); font-size: 1.02rem; line-height: 1.35; }
.trust-item span { display: block; margin-top: 4px; color: var(--muted); font-size: .84rem; line-height: 1.45; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-item { min-width: 0; }
.service-item img { width: 100%; aspect-ratio: 4 / 3; height: auto; object-fit: cover; border-radius: 4px; background: #e8eef4; }
.service-item h3 { margin: 20px 0 8px; color: var(--navy); font-size: 1.35rem; }
.service-item p { margin: 0; color: var(--muted); }

.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.case-tile { position: relative; overflow: hidden; background: #e7edf4; }
.case-tile { aspect-ratio: 8 / 5; }
.case-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.case-tile:hover img { transform: scale(1.025); }
.case-caption { position: absolute; right: 14px; bottom: 14px; left: 14px; padding: 12px 14px; background: rgba(7, 24, 51, .9); color: var(--white); font-size: .84rem; line-height: 1.5; }
.case-caption strong { display: block; font-size: .98rem; }
.section-action { margin-top: 34px; text-align: center; }

.process-list { display: grid; grid-template-columns: repeat(6, 1fr); margin: 0; padding: 0; list-style: none; counter-reset: step; }
.process-item { position: relative; padding: 72px 18px 0; text-align: center; }
.process-item::before { counter-increment: step; content: counter(step); position: absolute; top: 0; left: 50%; z-index: 2; display: grid; width: 48px; height: 48px; place-items: center; transform: translateX(-50%); border-radius: 50%; background: var(--yellow); color: var(--navy); font-weight: 900; }
.process-item::after { content: ""; position: absolute; top: 23px; left: 0; width: 100%; height: 2px; background: var(--yellow); }
.process-item:first-child::after { left: 50%; width: 50%; }
.process-item:last-child::after { width: 50%; }
.process-item h3 { margin: 0; color: var(--navy); font-size: 1.05rem; }
.process-item p { margin: 9px 0 0; color: var(--muted); font-size: .9rem; line-height: 1.6; }

.city-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.city-item { padding: 6px 34px; }
.city-item + .city-item { border-left: 1px solid #cad6e3; }
.city-item:first-child { padding-left: 0; }
.city-item:last-child { padding-right: 0; }
.city-item h3 { margin: 0 0 12px; color: var(--navy); font-size: 1.75rem; }
.city-item h2, .city-item h3 { margin: 0 0 12px; color: var(--navy); font-size: 1.75rem; line-height: 1.25; }
.city-item h2::after, .city-item h3::after { content: ""; display: block; width: 40px; height: 4px; margin-top: 8px; border-radius: 999px; background: var(--yellow); }
.city-item p { margin: 0; color: var(--muted); }
.city-item a { display: inline-block; margin-top: 16px; color: var(--navy); font-weight: 800; }
.city-grid--directory .city-item { padding-block: 18px 26px; }
.area-notice { margin-top: 48px; }

.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.proof-item { overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.proof-item img { width: 100%; aspect-ratio: 4 / 3; height: auto; object-fit: cover; }
.proof-item--review img { object-fit: cover; object-position: center; background: #f7f9fc; }
.proof-copy { padding: 20px 22px; }
.proof-copy h3 { margin: 0; color: var(--navy); font-size: 1.14rem; }
.proof-copy p { margin: 8px 0 0; color: var(--muted); }

.cta-band { overflow: hidden; background: var(--wash); }
.cta-grid { display: grid; grid-template-columns: 1fr 250px; gap: 40px; align-items: center; min-height: 330px; }
.cta-title { margin: 0; color: var(--navy); font-size: clamp(2rem, 4vw, 3.15rem); line-height: 1.18; letter-spacing: -.045em; }
.cta-copy p { max-width: 750px; margin: 16px 0 0; color: var(--muted); }
.contact-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.contact-chip { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 16px; border: 1px solid #cbd8e6; background: var(--white); color: var(--navy); font-weight: 800; }
.contact-chip small { color: var(--muted); font-weight: 600; }
.cta-mascot { justify-self: end; width: 240px; aspect-ratio: 1; overflow: hidden; border-radius: 50%; background: var(--white); box-shadow: var(--shadow); }
.cta-mascot img { width: 100%; height: 100%; object-fit: cover; }

.site-footer { background: #071a35; color: #cbd7e7; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; padding: 54px 0; }
.footer-brand { color: var(--white); font-size: 1.45rem; font-weight: 900; }
.footer-company { margin: 10px 0 0; color: var(--white); }
.footer-note { margin: 8px 0 0; font-size: .9rem; }
.footer-icp { margin: 8px 0 0; font-size: .86rem; }
.footer-icp a { color: #cbd7e7; }
.footer-icp a:hover { color: var(--white); text-decoration: underline; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 24px; font-size: .92rem; }
.footer-nav a:hover { color: var(--white); }

.page-hero { padding: 86px 0 70px; background: var(--wash); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .76fr; gap: 70px; align-items: center; }
.page-title { margin: 0; color: var(--navy); font-size: clamp(2.55rem, 5vw, 4.4rem); line-height: 1.1; letter-spacing: -.055em; }
.page-lead { margin: 22px 0 0; color: var(--muted); font-size: clamp(1.03rem, 1.7vw, 1.2rem); }
.page-hero img { width: 100%; aspect-ratio: 4 / 3; max-height: 430px; object-fit: cover; box-shadow: var(--shadow); }
.page-hero img.team-photo { object-position: center center; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--muted); font-size: .9rem; }
.breadcrumb a { color: var(--navy); font-weight: 700; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 70px; align-items: start; }
.prose h2 { margin: 56px 0 16px; color: var(--navy); font-size: clamp(1.7rem, 3vw, 2.45rem); line-height: 1.25; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 30px 0 10px; color: var(--navy); font-size: 1.28rem; }
.prose p, .prose li { color: #44536c; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.fact-list { display: grid; gap: 0; margin: 28px 0; border-top: 1px solid var(--line); }
.fact-row { display: grid; grid-template-columns: 160px 1fr; gap: 22px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.fact-row dt { color: var(--navy); font-weight: 800; }
.fact-row dd { margin: 0; color: var(--muted); }
.side-panel { position: sticky; top: 112px; padding: 28px; border-top: 5px solid var(--yellow); background: var(--wash); }
.side-panel h2 { margin: 0; color: var(--navy); font-size: 1.35rem; }
.side-panel p { color: var(--muted); }
.side-panel .button { width: 100%; margin-top: 12px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { position: relative; padding: 22px 44px 22px 0; color: var(--navy); font-weight: 800; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; top: 19px; right: 4px; font-size: 1.5rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: -4px 0 22px; color: var(--muted); }
.article-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { padding: 28px; border-top: 4px solid var(--yellow); background: var(--wash); }
.article-card h2 { margin: 0; color: var(--navy); font-size: 1.32rem; line-height: 1.4; }
.article-card p { color: var(--muted); }
.article-card a { color: var(--navy); font-weight: 800; }
.contact-panel { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.contact-method { padding: 34px; }
.contact-method + .contact-method { border-left: 1px solid var(--line); }
.contact-method h2 { margin: 0; color: var(--navy); font-size: 1.45rem; }
.contact-method p { margin: 10px 0 20px; color: var(--muted); }
.contact-value { color: var(--navy); font-size: 1.15rem; font-weight: 900; }
.mobile-contact { display: none; }
.notice { padding: 18px 20px; border-left: 4px solid var(--yellow); background: var(--wash); color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.image-frame img { width: 100%; max-height: 560px; object-fit: cover; }
.check-list { margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 11px 0 11px 32px; border-bottom: 1px solid var(--line); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--navy); font-weight: 900; }

@media (max-width: 1020px) {
  .site-nav { gap: 18px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 70px 0 42px; }
  .hero-media { min-height: 420px; }
  .hero-media::before { inset: 0 0 auto; width: 100%; height: 20%; background: linear-gradient(180deg, var(--white), transparent); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .trust-item:nth-child(4) { border-top: 1px solid var(--line); }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .process-list { grid-template-columns: repeat(3, 1fr); gap: 28px 0; }
  .process-item:nth-child(3)::after, .process-item:nth-child(6)::after { width: 50%; }
  .process-item:nth-child(4)::after { left: 50%; width: 50%; }
  .city-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 0; }
  .city-item:nth-child(3) { border-left: 0; padding-left: 0; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-item--review { grid-column: 1 / 3; }
  .page-hero-grid { gap: 40px; }
  .content-grid { grid-template-columns: 1fr 280px; gap: 42px; }
}

@media (min-width: 1700px) {
  .site-header .container,
  .hero .container,
  .trust-band .container { width: min(calc(100% - 96px), 1800px); }
  .hero-grid { grid-template-columns: 1.15fr .85fr; }
  .hero-title { font-size: 58px; white-space: nowrap; }
}

@media (max-width: 780px) {
  body { font-size: 15px; padding-bottom: 66px; }
  .container { width: min(calc(100% - 30px), var(--container)); }
  .section { padding: 66px 0; }
  .section-head { margin-bottom: 34px; }
  .header-inner { min-height: 68px; }
  .brand img { width: 44px; height: 44px; }
  .brand { font-size: 1.12rem; }
  .menu-toggle { display: block; }
  .header-button { display: none; }
  .site-nav { position: fixed; inset: 68px 0 auto; display: grid; gap: 0; padding: 12px 24px 28px; transform: translateY(-120%); border-bottom: 1px solid var(--line); background: var(--white); opacity: 0; pointer-events: none; transition: transform .25s ease, opacity .25s ease; }
  .site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 15px 0; border-bottom: 1px solid var(--line); }
  .nav-link::after { display: none; }
  .hero-grid { min-height: 0; }
  .hero-copy { padding: 52px 0 36px; }
  .hero-title { font-size: clamp(2.35rem, 11vw, 3.5rem); }
  .hero-subtitle { display: grid; gap: 4px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-media { min-height: 300px; margin-inline: -15px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { min-height: 98px; padding-inline: 6px; }
  .trust-item + .trust-item, .trust-item:nth-child(3) { border-top: 1px solid var(--line); border-left: 0; }
  .service-grid { grid-template-columns: 1fr; gap: 38px; }
  .service-item img { height: auto; }
  .case-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: none; }
  .case-tile, .case-tile:first-child { grid-column: auto; height: auto; }
  .process-list { grid-template-columns: 1fr; gap: 0; }
  .process-item { min-height: 128px; padding: 12px 0 26px 78px; text-align: left; }
  .process-item::before { top: 0; left: 24px; transform: none; }
  .process-item::after, .process-item:first-child::after, .process-item:last-child::after, .process-item:nth-child(3)::after, .process-item:nth-child(4)::after, .process-item:nth-child(6)::after { top: 47px; left: 47px; width: 2px; height: calc(100% - 28px); }
  .process-item:last-child::after { display: none; }
  .city-grid { grid-template-columns: 1fr; gap: 0; }
  .city-item, .city-item:first-child, .city-item:last-child, .city-item:nth-child(3) { padding: 24px 0; border-left: 0; border-bottom: 1px solid #cad6e3; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-item--review { grid-column: auto; }
  .proof-item img, .proof-item--review img { height: auto; max-height: none; }
  .proof-item--review img { object-fit: cover; }
  .cta-grid { grid-template-columns: 1fr; padding: 54px 0 0; }
  .cta-mascot { justify-self: center; width: 190px; }
  .footer-grid { grid-template-columns: 1fr; align-items: start; }
  .footer-nav { justify-content: flex-start; }
  .page-hero { padding: 56px 0 48px; }
  .page-hero-grid, .content-grid, .two-col { grid-template-columns: 1fr; gap: 36px; }
  .page-hero img { max-height: 360px; }
  .side-panel { position: static; }
  .article-list { grid-template-columns: 1fr; }
  .contact-panel { grid-template-columns: 1fr; }
  .contact-method + .contact-method { border-top: 1px solid var(--line); border-left: 0; }
  .fact-row { grid-template-columns: 1fr; gap: 6px; }
  .mobile-contact { position: fixed; right: 0; bottom: 0; left: 0; z-index: 60; display: grid; grid-template-columns: 1fr 1fr; min-height: 66px; box-shadow: 0 -8px 24px rgba(9,36,93,.16); }
  .mobile-contact a, .mobile-contact button { display: grid; place-items: center; border: 0; background: var(--navy); color: var(--white); font-weight: 800; }
  .mobile-contact a:first-child { background: var(--yellow); color: var(--navy); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}