:root {
  --navy: #071426;
  --navy-2: #0b1d34;
  --ink: #0b1728;
  --blue: #1677ff;
  --blue-2: #4ba2ff;
  --teal: #2dd4bf;
  --mist: #f3f7fb;
  --line: #dfe7f0;
  --muted: #68778a;
  --white: #fff;
  --container: min(1200px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif; font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: var(--container); margin-inline: auto; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: 84px; color: #fff; transition: .35s ease; }
.site-header.scrolled { height: 72px; color: var(--ink); background: rgba(255,255,255,.94); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); box-shadow: 0 8px 30px rgba(9,29,52,.05); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { position: relative; display: block; width: 215px; height: 56px; }
.brand-logo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: left center; transition: opacity .2s; }
.logo-dark { opacity: 0; }
.site-header.scrolled .logo-light { opacity: 0; }
.site-header.scrolled .logo-dark { opacity: 1; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.main-nav > a:not(.nav-contact) { opacity: .82; transition: .2s; }
.main-nav > a:not(.nav-contact):hover { opacity: 1; }
.nav-contact { border: 1px solid rgba(255,255,255,.4); padding: 10px 18px; border-radius: 999px; font-variant-numeric: tabular-nums; }
.site-header.scrolled .nav-contact { border-color: #bfd0e2; color: var(--blue); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: transparent; padding: 9px; }
.menu-toggle span { display: block; height: 1px; margin: 6px 0; background: #fff; transition: .25s; }
.site-header.scrolled .menu-toggle span { background: var(--ink); }

.hero { position: relative; min-height: 760px; height: 100vh; max-height: 980px; color: #fff; overflow: hidden; background: var(--navy); }
.hero-media { position: absolute; inset: 0; background: url("parking-hero.png") center center / cover no-repeat; transform: scale(1.015); animation: heroIn 1.6s cubic-bezier(.2,.8,.2,1) both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,14,28,.96) 0%, rgba(4,14,28,.82) 35%, rgba(4,14,28,.28) 66%, rgba(4,14,28,.12) 100%), linear-gradient(0deg, rgba(4,14,28,.7), transparent 48%); }
.hero-inner { position: relative; height: 100%; display: flex; align-items: center; justify-content: space-between; padding-top: 58px; }
.hero-copy { width: min(650px, 60vw); }
.eyebrow { margin: 0 0 23px; display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.68); font-size: 13px; font-weight: 600; letter-spacing: .2em; }
.eyebrow span { width: 26px; height: 2px; background: var(--blue-2); }
.eyebrow.dark { color: #718096; }
.hero h1 { margin: 0; font-size: clamp(50px, 5.25vw, 82px); line-height: 1.13; letter-spacing: -.045em; font-weight: 650; }
.hero h1 em { color: #66b4ff; font-style: normal; }
.hero-lead { max-width: 620px; margin: 28px 0 0; color: rgba(255,255,255,.72); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 42px; }
.button { min-height: 52px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; border-radius: 3px; font-weight: 600; transition: transform .25s, background .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: #fff; }
.button-primary:hover { background: #0a69e8; }
.button-ghost { border: 1px solid rgba(255,255,255,.34); color: #fff; }
.button-ghost:hover { background: rgba(255,255,255,.08); }
.hero-note { position: absolute; right: 0; bottom: 100px; display: flex; align-items: center; gap: 16px; padding: 18px 22px; border-left: 2px solid var(--teal); background: rgba(7,20,38,.58); backdrop-filter: blur(12px); }
.note-index { color: #51e3d2; font: 500 12px/1 system-ui; }
.hero-note strong { font-size: 15px; }
.hero-note p { margin: 2px 0 0; color: rgba(255,255,255,.58); font-size: 12px; letter-spacing: .08em; }
.scroll-cue { position: absolute; left: 40px; bottom: 46px; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .24em; transform: rotate(-90deg); transform-origin: left center; }
.scroll-cue i { width: 52px; height: 1px; background: rgba(255,255,255,.35); }

.metrics { background: var(--navy); color: #fff; border-top: 1px solid rgba(255,255,255,.08); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric { min-height: 158px; padding: 34px 38px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid rgba(255,255,255,.09); }
.metric:last-child { border-right: 1px solid rgba(255,255,255,.09); }
.metric strong { line-height: 1; font-size: 19px; font-weight: 500; }
.metric strong b { font-family: Arial, sans-serif; font-size: 42px; font-weight: 500; letter-spacing: -.04em; }
.metric span { margin-top: 14px; color: rgba(255,255,255,.52); font-size: 13px; }

.section { padding: 120px 0; }
.section-head { margin-bottom: 58px; }
.section-head h2, .value h2, .about h2, .contact h2 { margin: 0; font-size: clamp(36px, 4vw, 56px); line-height: 1.28; letter-spacing: -.04em; font-weight: 650; }
.split-head { display: grid; grid-template-columns: 1.1fr .75fr; gap: 80px; align-items: end; }
.split-head > p { margin: 0 0 8px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.services { background: #fff; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { position: relative; min-height: 620px; padding: 34px 32px 30px; display: flex; flex-direction: column; color: var(--ink); border: 1px solid var(--line); background: #fff; transition: transform .35s, border-color .35s, box-shadow .35s; overflow: hidden; cursor: pointer; }
.service-card::after { content: ""; position: absolute; inset: auto 0 0; height: 3px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: .35s; }
.service-card:hover { transform: translateY(-8px); border-color: #bdd8f5; box-shadow: 0 24px 56px rgba(12,45,82,.1); }
.service-card:hover::after { transform: scaleX(1); }
.service-share::after { background: var(--teal); }
.service-top { display: flex; align-items: center; justify-content: space-between; }
.service-no { color: #98a7b8; font: 500 12px/1 Arial, sans-serif; }
.service-tag { padding: 5px 9px; border-radius: 2px; background: #eef5fc; color: #52708c; font-size: 10px; letter-spacing: .08em; }
.service-tag.new { color: #092d32; background: var(--teal); }
.service-icon { width: 64px; height: 64px; margin: 52px 0 34px; display: grid; place-items: center; border-radius: 50%; background: #eef6ff; color: var(--blue); }
.service-share .service-icon { background: #eafaf7; color: #10a995; }
.service-icon svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 0; font-size: 28px; letter-spacing: -.02em; }
.service-card > p { min-height: 102px; margin: 16px 0 20px; color: var(--muted); }
.service-card ul { margin: 0; padding: 0; list-style: none; color: #46586b; font-size: 14px; }
.service-card li { padding: 8px 0; border-bottom: 1px solid #eaf0f5; }
.service-link { margin-top: auto; padding-top: 28px; display: flex; justify-content: space-between; color: var(--blue); font-weight: 600; font-size: 14px; }
.service-link b { font-size: 18px; font-weight: 500; transition: transform .25s; }
.service-card:hover .service-link b { transform: translateX(4px); }
.service-share .service-link { color: #0d9f8d; }

.value { background: var(--navy); color: #fff; }
.value-layout { display: grid; grid-template-columns: .8fr 1.25fr; gap: 100px; align-items: start; }
.value-intro { position: sticky; top: 120px; }
.value-intro > p:not(.eyebrow) { margin: 26px 0 34px; color: rgba(255,255,255,.6); font-size: 17px; }
.text-link { display: inline-flex; gap: 28px; align-items: center; color: #65b3ff; font-weight: 600; border-bottom: 1px solid rgba(101,179,255,.35); padding-bottom: 6px; }
.value-list { border-top: 1px solid rgba(255,255,255,.14); }
.value-item { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 36px 8px; border-bottom: 1px solid rgba(255,255,255,.14); }
.value-item > span { padding-top: 7px; color: #4a9ce9; font: 500 12px/1 Arial, sans-serif; }
.value-item h3 { margin: 0 0 6px; font-size: 25px; }
.value-item p { margin: 0; color: rgba(255,255,255,.58); }

.method { background: var(--mist); }
.method-flow { display: grid; grid-template-columns: repeat(4, 1fr); }
.flow-step { position: relative; min-height: 260px; padding: 34px 30px; background: #fff; border-right: 1px solid var(--line); }
.flow-step:first-child { border-left: 3px solid var(--blue); }
.flow-step:not(:last-child)::after { content: "→"; position: absolute; right: -13px; top: 42px; z-index: 2; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; background: var(--navy); color: #fff; font-size: 12px; }
.flow-step > span { color: var(--blue); font: 600 12px/1 Arial, sans-serif; }
.flow-step h3 { margin: 70px 0 10px; font-size: 22px; }
.flow-step p { margin: 0; color: var(--muted); font-size: 14px; }

.scenarios { background: #fff; }
.scenario-list { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.scenario-list > div { padding: 30px 24px 36px; border-right: 1px solid var(--line); transition: background .25s; }
.scenario-list > div:first-child { border-left: 1px solid var(--line); }
.scenario-list > div:hover { background: var(--mist); }
.scenario-list span { color: var(--blue); font: 600 11px/1 Arial, sans-serif; }
.scenario-list h3 { margin: 50px 0 3px; font-size: 20px; }
.scenario-list p { margin: 0; color: var(--muted); font-size: 13px; }

.cases { padding-top: 20px; }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-card { min-height: 0; display: flex; flex-direction: column; background: var(--mist); overflow: hidden; transition: transform .3s, box-shadow .3s; }
.case-card:hover { transform: translateY(-5px); box-shadow: 0 22px 50px rgba(12,45,82,.1); }
.case-media { position: relative; width: 100%; aspect-ratio: 2.32 / 1; overflow: hidden; background: #dce8f3; }
.case-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 70%, rgba(243,247,251,.12)); pointer-events: none; }
.case-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1); transition: transform .5s ease; }
.case-card:hover .case-media img { transform: scale(1.025); }
.case-body { min-height: 310px; padding: 30px; display: flex; flex-direction: column; }
.case-meta { display: flex; justify-content: space-between; color: #63809d; font-size: 12px; letter-spacing: .08em; }
.case-card h3 { margin: 58px 0 12px; font-size: 26px; line-height: 1.35; }
.case-body > p { margin: 0; color: var(--muted); }
.case-line { margin-top: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.case-line span { padding: 5px 9px; color: #59718a; background: #fff; font-size: 11px; }

.about { background: #102844; color: #fff; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; }
.about-copy > p { margin: 0 0 22px; color: rgba(255,255,255,.66); font-size: 17px; }
.about-values { margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.16); }
.about-values span { padding-top: 18px; color: #70baff; font-weight: 600; }

.contact { padding: 90px 0; color: #fff; background: var(--blue); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 100px; }
.contact .eyebrow { color: rgba(255,255,255,.65); }
.contact .eyebrow span { background: #fff; }
.contact h2 { font-size: clamp(40px, 4.5vw, 62px); }
.contact-action { padding-bottom: 4px; }
.contact-action > p { margin: 0 0 24px; color: rgba(255,255,255,.72); }
.contact-action > a { display: grid; grid-template-columns: 1fr auto; align-items: center; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.35); border-bottom: 1px solid rgba(255,255,255,.35); }
.contact-action small { grid-column: 1; color: rgba(255,255,255,.7); }
.contact-action strong { grid-column: 1; font: 500 31px/1.3 Arial, sans-serif; letter-spacing: .02em; }
.contact-action span { grid-column: 2; grid-row: 1 / 3; font-size: 26px; }

.site-footer { color: rgba(255,255,255,.62); background: #050e1a; }
.footer-grid { display: grid; grid-template-columns: 1.7fr .7fr .7fr 1.1fr; gap: 60px; padding: 70px 0 56px; }
.brand-footer { width: 230px; }
.brand-footer img { width: 100%; height: auto; display: block; }
.footer-brand > p { margin: 20px 0 0; font-size: 13px; }
.footer-links, .footer-address { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-grid h3 { margin: 0 0 13px; color: #fff; font-size: 14px; }
.footer-links a, .footer-address p { margin: 0; color: rgba(255,255,255,.5); font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.09); font-size: 11px; }
.footer-bottom > div { display: flex; align-items: center; gap: 24px; }
.footer-bottom button { border: 0; padding: 0; color: inherit; background: transparent; cursor: pointer; }
.footer-bottom a:hover, .footer-bottom button:hover { color: #fff; }

.wechat-float { position: fixed; right: 22px; bottom: 96px; z-index: 45; }
.wechat-float > button { width: 62px; height: 68px; padding: 10px 5px 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; color: #fff; background: var(--blue); border: 0; border-radius: 3px; box-shadow: 0 12px 30px rgba(13,75,150,.24); cursor: pointer; }
.wechat-float > button svg { width: 27px; height: 27px; fill: currentColor; }
.wechat-float > button span { font-size: 11px; }
.wechat-panel { position: absolute; right: 76px; bottom: 0; width: 218px; padding: 20px; color: var(--ink); background: #fff; border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(7,20,38,.16); opacity: 0; visibility: hidden; transform: translateX(8px); transition: .25s; }
.wechat-panel::after { content: ""; position: absolute; right: -7px; bottom: 25px; width: 12px; height: 12px; background: #fff; border-top: 1px solid var(--line); border-right: 1px solid var(--line); transform: rotate(45deg); }
.wechat-float:hover .wechat-panel, .wechat-float.open .wechat-panel, .wechat-float:focus-within .wechat-panel { opacity: 1; visibility: visible; transform: translateX(0); }
.wechat-panel strong { display: block; font-size: 16px; }
.wechat-panel p { margin: 2px 0 12px; color: var(--muted); font-size: 12px; }
.wechat-panel img { width: 178px; height: 178px; display: block; object-fit: contain; border: 1px solid #edf1f5; }
.wechat-panel small { display: block; margin-top: 9px; color: #7b8998; text-align: center; }

.phone-float { position: fixed; right: 22px; bottom: 174px; z-index: 45; }
.phone-float > button { width: 62px; height: 68px; padding: 10px 5px 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; color: #fff; background: #0b2747; border: 0; border-radius: 3px; box-shadow: 0 12px 30px rgba(7,20,38,.2); cursor: pointer; }
.phone-float > button svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.phone-float > button span { font-size: 11px; }
.phone-panel { position: absolute; right: 76px; bottom: 0; width: 235px; padding: 22px; color: var(--ink); background: #fff; border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(7,20,38,.16); opacity: 0; visibility: hidden; transform: translateX(8px); transition: .25s; }
.phone-panel::after { content: ""; position: absolute; right: -7px; bottom: 25px; width: 12px; height: 12px; background: #fff; border-top: 1px solid var(--line); border-right: 1px solid var(--line); transform: rotate(45deg); }
.phone-float:hover .phone-panel, .phone-float.open .phone-panel, .phone-float:focus-within .phone-panel { opacity: 1; visibility: visible; transform: translateX(0); }
.phone-panel strong { display: block; color: #66788b; font-size: 12px; font-weight: 500; }
.phone-panel a { display: block; margin-top: 5px; color: var(--blue); font: 600 25px/1.35 Arial, sans-serif; }
.phone-panel p { margin: 7px 0 0; color: var(--muted); font-size: 12px; }

.security-modal[hidden] { display: none; }
.security-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.security-backdrop { position: absolute; inset: 0; background: rgba(2,10,20,.72); backdrop-filter: blur(6px); }
.security-dialog { position: relative; width: min(680px, 100%); max-height: calc(100vh - 48px); overflow: auto; padding: 48px; background: #fff; box-shadow: 0 30px 90px rgba(0,0,0,.32); }
.security-close { position: absolute; top: 18px; right: 22px; width: 36px; height: 36px; border: 0; color: #6b7c8e; background: #eff4f8; border-radius: 50%; font-size: 25px; line-height: 1; cursor: pointer; }
.security-dialog h2 { margin: 0 0 18px; font-size: 36px; }
.security-dialog > p:not(.eyebrow) { color: var(--muted); }
.security-dialog ul { margin: 28px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.security-dialog li { padding: 18px 0; display: grid; grid-template-columns: 90px 1fr; gap: 18px; border-bottom: 1px solid var(--line); }
.security-dialog li strong { color: var(--blue); }
.security-dialog li span { color: #596b7d; }
.security-contact { margin-bottom: 0; }
.security-contact a { color: var(--blue); font-weight: 600; }
body.modal-open { overflow: hidden; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }
@keyframes heroIn { from { opacity: 0; transform: scale(1.05); } to { opacity: 1; transform: scale(1.015); } }

@media (max-width: 980px) {
  :root { --container: min(100% - 36px, 720px); }
  .site-header { height: 72px; }
  .menu-toggle { display: block; cursor: pointer; }
  .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: absolute; top: 72px; left: 0; right: 0; padding: 28px calc((100vw - var(--container))/2) 34px; display: none; flex-direction: column; align-items: flex-start; gap: 20px; background: rgba(7,20,38,.97); border-top: 1px solid rgba(255,255,255,.1); }
  .main-nav.open { display: flex; }
  .site-header.scrolled .main-nav { color: #fff; }
  .site-header.scrolled .main-nav .nav-contact { color: #fff; border-color: rgba(255,255,255,.4); }
  .hero { min-height: 720px; height: 90vh; }
  .hero-copy { width: min(620px, 90vw); }
  .hero-shade { background: linear-gradient(90deg, rgba(4,14,28,.94) 0%, rgba(4,14,28,.75) 70%, rgba(4,14,28,.42)); }
  .hero-note { right: 18px; bottom: 48px; }
  .scroll-cue { display: none; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric { min-height: 130px; border-bottom: 1px solid rgba(255,255,255,.09); }
  .section { padding: 90px 0; }
  .split-head, .about-grid, .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-card > p { min-height: 0; }
  .service-card > a { margin-top: 32px; }
  .value-layout { grid-template-columns: 1fr; gap: 60px; }
  .value-intro { position: static; }
  .method-flow { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .flow-step:not(:last-child)::after { display: none; }
  .scenario-list { grid-template-columns: repeat(2, 1fr); }
  .scenario-list > div { border-bottom: 1px solid var(--line); }
  .case-grid { grid-template-columns: 1fr; }
  .case-card { min-height: 0; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-address { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  :root { --container: calc(100% - 32px); }
  .brand-logo { width: 176px; height: 46px; }
  .hero { min-height: 700px; height: 100svh; max-height: 820px; }
  .hero-media { background-position: 65% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(4,14,28,.96), rgba(4,14,28,.55)), linear-gradient(0deg, rgba(4,14,28,.8), transparent 55%); }
  .hero-inner { align-items: center; }
  .hero-copy { width: 100%; }
  .hero h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-lead { margin-top: 22px; font-size: 16px; line-height: 1.8; }
  .hero-actions { margin-top: 32px; flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .hero-note { display: none; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metric { min-height: 115px; padding: 24px 18px; }
  .metric strong b { font-size: 34px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 38px; }
  .section-head h2, .value h2, .about h2, .contact h2 { font-size: 36px; }
  .split-head { gap: 20px; }
  .split-head > p, .about-copy > p { font-size: 16px; }
  .service-card { padding: 28px 24px; }
  .service-icon { margin: 38px 0 28px; }
  .value-item { grid-template-columns: 45px 1fr; padding: 28px 0; }
  .method-flow { grid-template-columns: 1fr; }
  .flow-step { min-height: 215px; }
  .flow-step h3 { margin-top: 46px; }
  .scenario-list { grid-template-columns: 1fr; }
  .scenario-list > div { display: grid; grid-template-columns: 34px 1fr; align-items: center; padding: 22px 16px; }
  .scenario-list h3 { margin: 0; }
  .scenario-list p { grid-column: 2; }
  .case-card { min-height: 0; }
  .case-media { min-height: 0; max-height: none; }
  .case-body { min-height: 320px; padding: 26px; }
  .case-card h3 { margin-top: 42px; }
  .about-grid { gap: 42px; }
  .about-values { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .contact { padding: 70px 0; }
  .contact-inner { gap: 46px; }
  .contact-action strong { font-size: 25px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 44px 28px; }
  .footer-brand, .footer-address { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 10px; }
  .footer-bottom > div { align-items: flex-start; gap: 14px; flex-direction: column; }
  .wechat-float { right: 12px; bottom: 24px; }
  .wechat-float > button { width: 56px; height: 62px; }
  .wechat-panel { right: 66px; width: 202px; padding: 15px; }
  .wechat-panel img { width: 170px; height: 170px; }
  .phone-float { right: 12px; bottom: 94px; }
  .phone-float > button { width: 56px; height: 62px; }
  .phone-panel { right: 66px; width: 215px; padding: 18px; }
  .security-dialog { padding: 42px 24px 28px; }
  .security-dialog h2 { font-size: 30px; }
  .security-dialog li { grid-template-columns: 1fr; gap: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
/* Navigation business dropdown */
.nav-dropdown { position: relative; height: 72px; display: flex; align-items: center; }
.nav-dropdown-trigger { display: inline-flex; align-items: center; gap: 8px; opacity: .82; transition: opacity .2s; }
.nav-dropdown:hover .nav-dropdown-trigger,
.nav-dropdown:focus-within .nav-dropdown-trigger { opacity: 1; }
.nav-caret { width: 7px; height: 7px; display: inline-block; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .2s; }
.nav-dropdown:hover .nav-caret,
.nav-dropdown:focus-within .nav-caret { transform: translateY(2px) rotate(225deg); }
.nav-submenu { position: absolute; top: calc(100% - 2px); left: 50%; width: 310px; padding: 8px; display: grid; gap: 2px; color: var(--ink); background: rgba(255,255,255,.98); border: 1px solid #dce6ef; box-shadow: 0 22px 55px rgba(5,27,48,.17); opacity: 0; visibility: hidden; transform: translate(-50%,10px); transition: opacity .2s, transform .2s, visibility .2s; }
.nav-submenu::before { content: ''; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.nav-dropdown:hover .nav-submenu,
.nav-dropdown:focus-within .nav-submenu { opacity: 1; visibility: visible; transform: translate(-50%,0); }
.nav-submenu > a { padding: 15px 17px; display: grid; gap: 5px; border-left: 2px solid transparent; transition: background .2s, border-color .2s; }
.nav-submenu > a:hover,
.nav-submenu > a:focus-visible { background: #f1f6fa; border-left-color: var(--blue); outline: 0; }
.nav-submenu b { color: #15344d; font-size: 14px; font-weight: 600; }
.nav-submenu small { color: #758899; font-size: 11px; line-height: 1.5; }

@media (max-width: 980px) {
  .nav-dropdown { width: 100%; height: auto; display: block; }
  .nav-dropdown-trigger { width: 100%; justify-content: space-between; color: #fff; opacity: 1; }
  .nav-submenu { position: static; width: 100%; margin-top: 14px; padding: 5px; display: grid; color: var(--ink); opacity: 1; visibility: visible; transform: none; box-shadow: none; }
  .nav-dropdown:hover .nav-submenu,
  .nav-dropdown:focus-within .nav-submenu { transform: none; }
  .nav-submenu::before { display: none; }
  .nav-submenu > a { padding: 12px 14px; }
}
/* Homepage company profile and partnership */
.about-grid { grid-template-columns: .85fr 1.15fr; gap: 80px; }
.about-copy > p { color: rgba(255,255,255,.78); line-height: 1.95; }
.partnership-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 52px; }
.partnership-card { display: flex; flex-direction: column; padding: 34px 36px; background: #fff; color: var(--ink); }
.partnership-label { color: #1765c3; font-size: 12px; letter-spacing: .08em; }
.partnership-card h3 { margin: 15px 0 14px; font-size: 27px; line-height: 1.4; }
.partnership-card > p { margin: 0; color: var(--muted); line-height: 1.9; }
.partnership-tags { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 24px 0 28px; color: #426587; font-size: 13px; }
.partner-support { margin-top: 44px; }
.partner-support > h3 { margin: 0 0 25px; font-size: 18px; font-weight: 500; }
.partner-support-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 26px; }
.partner-support-grid > div { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.35); }
.partner-support-grid > div > span { font: 12px/1 Arial, sans-serif; color: rgba(255,255,255,.72); }
.partner-support-grid h4 { margin: 12px 0 8px; font-size: 17px; font-weight: 600; }
.partner-support-grid p { margin: 0; font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.85); }
@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; gap: 38px; }
  .partnership-card { padding: 28px; }
  .partner-support-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .partnership-grid { grid-template-columns: 1fr; margin-top: 36px; gap: 16px; }
  .partnership-card { padding: 28px 24px; }
  .partnership-card h3 { font-size: 24px; }
  .partner-support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}
/* Homepage company gallery and cooperation contact */
.about-gallery { grid-column: 1 / -1; display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; margin-top: 8px; }
.about-gallery figure { min-height: 260px; margin: 0; overflow: hidden; background: #0b1d34; }
.about-gallery img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .5s ease; }
.about-gallery figure:first-child img { object-position: 44% 52%; }
.about-gallery figure:last-child img { object-position: center; }
.about-gallery figure:hover img { transform: scale(1.035); }
.cooperation-button { width: 100%; padding: 20px 0; display: flex; align-items: center; justify-content: space-between; border: 0; border-top: 1px solid rgba(255,255,255,.35); border-bottom: 1px solid rgba(255,255,255,.35); color: #fff; background: transparent; font: inherit; font-size: 18px; font-weight: 600; text-align: left; cursor: pointer; }
.cooperation-button span { font-size: 26px; transition: transform .2s; }
.cooperation-button:hover span { transform: translate(3px,-3px); }
.cooperation-button:focus-visible { outline: 2px solid #fff; outline-offset: 5px; }
.cooperation-modal[hidden] { display: none; }
.cooperation-modal { position: fixed; inset: 0; z-index: 110; display: grid; place-items: center; padding: 24px; }
.cooperation-backdrop { position: absolute; inset: 0; background: rgba(2,10,20,.72); backdrop-filter: blur(6px); }
.cooperation-dialog { position: relative; width: min(540px, 100%); padding: 48px; background: #fff; color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,.32); }
.cooperation-close { position: absolute; top: 18px; right: 22px; width: 36px; height: 36px; border: 0; color: #6b7c8e; background: #eff4f8; border-radius: 50%; font-size: 25px; line-height: 1; cursor: pointer; }
.cooperation-close:hover { color: #fff; background: var(--blue); }
.cooperation-dialog h2 { margin: 12px 0 18px; font-size: 38px; line-height: 1.2; }
.cooperation-dialog > p:last-of-type { margin: 0; color: var(--muted); line-height: 1.9; }
.cooperation-details { margin: 30px 0 0; border-top: 1px solid var(--line); }
.cooperation-details > div { display: grid; grid-template-columns: 108px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cooperation-details dt { color: #6b7c8e; font-size: 14px; }
.cooperation-details dd { margin: 0; font: 600 18px/1.45 Arial, sans-serif; overflow-wrap: anywhere; }
.cooperation-details a { color: #1765c3; }
@media (max-width: 980px) {
  .about-gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .about-gallery { grid-template-columns: 1fr; gap: 12px; }
  .about-gallery figure { min-height: 210px; }
  .cooperation-dialog { padding: 42px 24px 28px; }
  .cooperation-dialog h2 { font-size: 30px; }
  .cooperation-details > div { grid-template-columns: 1fr; gap: 5px; }
}
/* Homepage scene and case separation */
.scenarios { background: #f4f8fb; }
.cases { padding-top: 120px; background: #fff; }

@media (max-width: 980px) {
  .cases { padding-top: 90px; }
}
/* Refined partner support layout */
.partner-support { margin-top: 64px; padding: 42px 44px 44px; display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 46px; color: var(--ink); background: linear-gradient(135deg, #fff 0%, #f3f8fd 100%); border-top: 3px solid #56a5ff; box-shadow: 0 18px 42px rgba(3,44,86,.18); }
.partner-support-heading { padding: 5px 28px 5px 0; border-right: 1px solid #d9e5ef; }
.partner-support-heading > p { margin: 0 0 14px; color: #2373ca; font: 600 11px/1.2 Arial, sans-serif; letter-spacing: .12em; }
.partner-support-heading > h3 { margin: 0; color: #102844; font-size: 28px; line-height: 1.48; font-weight: 600; letter-spacing: -.025em; }
.partner-support-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; align-items: stretch; }
.partner-support-grid > div { min-height: 170px; padding: 20px 16px 18px; background: rgba(255,255,255,.55); border: 0; border-left: 1px solid #d9e5ef; }
.partner-support-grid > div:first-child { border-left: 0; }
.partner-support-grid > div > span { display: block; color: #3687df; font: 600 12px/1 Arial, sans-serif; }
.partner-support-grid h4 { margin: 17px 0 9px; color: #143a60; font-size: 17px; line-height: 1.4; font-weight: 600; }
.partner-support-grid p { margin: 0; color: #61768c; font-size: 13px; line-height: 1.8; }
@media (max-width: 980px) {
  .partner-support { grid-template-columns: 1fr; gap: 30px; padding: 34px; }
  .partner-support-heading { padding: 0 0 24px; border-right: 0; border-bottom: 1px solid #d9e5ef; }
  .partner-support-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .partner-support-grid > div:nth-child(4) { border-left: 0; }
}
@media (max-width: 600px) {
  .partner-support { margin-top: 42px; padding: 28px 22px 22px; }
  .partner-support-heading > h3 { font-size: 24px; }
  .partner-support-grid { grid-template-columns: 1fr; }
  .partner-support-grid > div { min-height: 0; padding: 20px 0; border-left: 0; border-top: 1px solid #d9e5ef; background: transparent; }
  .partner-support-grid > div:first-child { border-top: 0; }
  .partner-support-grid h4 { margin-top: 12px; }
}
/* Partner support consultation placement */
.partner-support-heading > h3 { font-size: 34px; line-height: 1.25; }
.partner-support .cooperation-button-dark { width: 100%; margin-top: 30px; padding: 15px 0; color: #1765c3; border-top-color: #cbddea; border-bottom-color: #cbddea; font-size: 16px; }
.partner-support .cooperation-button-dark:hover { color: #0b2946; border-top-color: #1765c3; border-bottom-color: #1765c3; }
.partner-support .cooperation-button-dark:focus-visible { outline-color: #1765c3; }
@media (max-width: 600px) {
  .partner-support-heading > h3 { font-size: 30px; }
  .partner-support .cooperation-button-dark { margin-top: 22px; }
}
/* Standalone cooperation consultation */
.cooperation-banner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 44px; margin-top: 24px; padding: 37px 50px; overflow: hidden; color: #fff; background: linear-gradient(105deg, #064b9e 0%, #0c68c8 58%, #1585e6 100%); box-shadow: 0 16px 34px rgba(3,45,100,.2); }
.cooperation-banner::before { content: ''; position: absolute; right: -8%; bottom: -145px; width: 53%; height: 260px; border: 1px solid rgba(255,255,255,.16); transform: skewX(-28deg); box-shadow: -80px 0 0 rgba(255,255,255,.04), -160px 0 0 rgba(255,255,255,.035); }
.cooperation-banner-copy, .cooperation-banner-action { position: relative; z-index: 1; }
.cooperation-banner-copy > p { margin: 0 0 9px; color: rgba(255,255,255,.68); font: 600 11px/1.2 Arial, sans-serif; letter-spacing: .14em; }
.cooperation-banner-copy > h3 { margin: 0; font-size: 28px; line-height: 1.38; font-weight: 600; letter-spacing: -.02em; }
.cooperation-banner-action { min-width: 178px; padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; border: 1px solid rgba(255,255,255,.72); color: #fff; background: rgba(255,255,255,.08); font: 600 16px/1 inherit; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.cooperation-banner-action:hover { color: #0a5aae; background: #fff; border-color: #fff; }
.cooperation-banner-action span { font-size: 22px; transition: transform .2s; }
.cooperation-banner-action:hover span { transform: translate(2px,-2px); }
.cooperation-banner-action:focus-visible { outline: 2px solid #fff; outline-offset: 5px; }
@media (max-width: 600px) {
  .cooperation-banner { align-items: flex-start; flex-direction: column; gap: 26px; margin-top: 16px; padding: 31px 25px; }
  .cooperation-banner-copy > h3 { font-size: 24px; }
  .cooperation-banner-action { width: 100%; }
}
/* Standalone cooperation consultation section */
.cooperation-consult-section { padding: 0 0 96px; background: #fff; }
@media (max-width: 600px) {
  .cooperation-consult-section { padding-bottom: 72px; }
}
/* Full-width cooperation consultation */
.cooperation-consult-section { padding: 0; background: #0c68c8; }
.cooperation-banner { display: block; margin-top: 0; padding: 0; box-shadow: none; }
.cooperation-banner-inner { min-height: 214px; display: flex; align-items: center; justify-content: space-between; gap: 44px; padding: 37px 0; }
@media (max-width: 600px) {
  .cooperation-consult-section { padding: 0; }
  .cooperation-banner { padding: 0; }
  .cooperation-banner-inner { min-height: 0; align-items: flex-start; flex-direction: column; gap: 26px; padding: 31px 0; }
}

/* Homepage eight-case wall */
.case-grid-eight { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.case-grid-eight .case-card { min-width: 0; border: 1px solid #e1e8ef; background: #f5f8fb; }
.case-grid-eight .case-media { aspect-ratio: 1.5 / 1; }
.case-grid-eight .case-body { min-height: 276px; padding: 22px 20px 20px; }
.case-grid-eight .case-meta { gap: 10px; letter-spacing: .03em; }
.case-grid-eight .case-meta small { white-space: nowrap; }
.case-grid-eight .case-card h3 { margin: 28px 0 10px; font-size: 21px; }
.case-grid-eight .case-body > p { display: -webkit-box; min-height: 73px; overflow: hidden; font-size: 14px; line-height: 1.75; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.case-grid-eight .case-line { margin-top: 20px; gap: 6px; }
.case-grid-eight .case-line span { padding: 5px 8px; color: #355879; background: #fff; font-size: 12px; line-height: 1.35; letter-spacing: 0; }
@media (max-width: 980px) {
  .case-grid-eight { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .case-grid-eight { grid-template-columns: 1fr; }
  .case-grid-eight .case-body { min-height: 0; }
  .case-grid-eight .case-body > p { min-height: 0; }
}
/* Homepage expanded scenarios */
.scenarios-expanded { min-height: 100svh; display: flex; align-items: center; overflow: hidden; background: linear-gradient(135deg, #f4f8fb 0%, #eef5fa 100%); }
.scenarios-expanded .scenario-wrap { position: relative; }
.scenario-head { position: relative; margin-bottom: 54px; }
.scenario-head::after { content: 'SCENES'; position: absolute; right: 0; bottom: -35px; z-index: 0; color: rgba(32,111,190,.045); font: 700 clamp(90px, 15vw, 180px)/1 Arial, sans-serif; letter-spacing: -.08em; pointer-events: none; }
.scenario-head > * { position: relative; z-index: 1; }
.scenarios-expanded .scenario-list { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; border: 0; }
.scenario-card { --scene-color: #1f82e8; position: relative; min-height: 308px; padding: 24px 22px 22px; display: flex; flex-direction: column; overflow: hidden; color: #173553; background: rgba(255,255,255,.78); border: 1px solid #dce8f1; border-top: 3px solid var(--scene-color); transition: transform .3s, box-shadow .3s, background .3s; }
.scenario-card:nth-child(2) { --scene-color: #2bb5a3; }
.scenario-card:nth-child(3) { --scene-color: #6c86df; }
.scenario-card:nth-child(4) { --scene-color: #db8c3c; }
.scenario-card:nth-child(5) { --scene-color: #b46fd3; }
.scenario-card::after { content: ''; position: absolute; right: -32px; bottom: -48px; width: 135px; height: 135px; border: 1px solid color-mix(in srgb, var(--scene-color) 28%, transparent); border-radius: 50%; }
.scenario-card:hover { transform: translateY(-8px); background: #fff; box-shadow: 0 20px 38px rgba(22,72,117,.12); }
.scenario-card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.scenario-no { color: var(--scene-color); font: 600 12px/1 Arial, sans-serif; letter-spacing: .08em; }
.scenario-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--scene-color); background: color-mix(in srgb, var(--scene-color) 10%, white); border-radius: 50%; }
.scenario-icon svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.scenario-card h3 { margin: 42px 0 12px; color: #153655; font-size: 22px; line-height: 1.35; }
.scenario-card p { margin: 0; color: #637a91; font-size: 14px; line-height: 1.85; }
.scenario-note { position: relative; z-index: 1; margin-top: auto; padding-top: 18px; color: var(--scene-color); font-size: 12px; font-weight: 600; }
@media (max-width: 980px) {
  .scenarios-expanded { min-height: auto; display: block; }
  .scenarios-expanded .scenario-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenario-card { min-height: 270px; }
}
@media (max-width: 600px) {
  .scenarios-expanded .scenario-list { grid-template-columns: 1fr; }
  .scenario-head::after { display: none; }
  .scenario-card { min-height: 245px; padding: 24px 22px; }
  .scenario-card h3 { margin-top: 30px; }
}
/* Personal information statement modal */
.footer-filing { color: inherit; cursor: default; }
.security-statement { width: min(860px, 100%); max-height: calc(100vh - 48px); max-height: calc(100dvh - 48px); padding: 0; display: flex; flex-direction: column; overflow: hidden; background: #fff; }
.security-statement-head { position: relative; flex: 0 0 auto; padding: 25px 78px 25px 36px; background: #fff; border-bottom: 1px solid var(--line); }
.security-statement-head h2 { margin: 0; color: var(--ink); font-size: 26px; line-height: 1.4; }
.security-statement-head .security-close { top: 50%; right: 24px; transform: translateY(-50%); }
.security-statement-body { min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; padding: 28px 36px 40px; color: #46576a; font-size: 15px; line-height: 1.9; overflow-wrap: anywhere; }
.security-statement-body p { margin: 0 0 16px; }
.security-statement-body h3 { margin: 32px 0 15px; color: var(--ink); font-size: 19px; line-height: 1.65; }
.security-statement-body h4 { margin: 22px 0 12px; color: #263c53; font-size: 16px; line-height: 1.75; }
.security-statement-body .privacy-list-line { margin-bottom: 5px; }
.privacy-records { margin: 22px 0; }
.privacy-record { padding: 15px 0; border-bottom: 1px solid var(--line); }
.privacy-record:first-child { border-top: 1px solid var(--line); }
.security-statement-body .privacy-record p { margin: 3px 0; }
.privacy-record strong { color: #263c53; font-weight: 600; }
.security-statement-body:focus-visible { outline: 2px solid var(--blue); outline-offset: -3px; }
@media (max-width: 600px) {
  .security-statement { max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); }
  .security-statement-head { padding: 22px 60px 22px 20px; }
  .security-statement-head h2 { font-size: 22px; }
  .security-statement-head .security-close { right: 14px; }
  .security-statement-body { padding: 22px 20px 30px; font-size: 14px; }
}