:root {
  --ink: #0a2035;
  --navy: #082846;
  --navy-2: #0d3a60;
  --blue: #0878b9;
  --cyan: #12a9cc;
  --paper: #ffffff;
  --mist: #f2f6f8;
  --line: #dce5ea;
  --muted: #617180;
  --wide: 1240px;
  --shadow: 0 18px 55px rgba(7, 34, 57, .12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { color: var(--ink); background: var(--paper); font: 15px/1.8 "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }
.w { width: min(var(--wide), calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 1000; padding: 10px 16px; color: #fff; background: var(--navy); }
.skip-link:focus { top: 12px; }

/* Utility bar and navigation */
.topbar { color: rgba(255,255,255,.68); background: #061d31; font-size: 12px; letter-spacing: .02em; }
.topbar .w { min-height: 34px; display: flex; align-items: center; justify-content: flex-end; gap: 20px; }
.home .topbar .w { justify-content: space-between; }
.topbar a { color: #fff; }
.topbar i { display: inline-block; width: 1px; height: 10px; margin: 0 12px; background: rgba(255,255,255,.25); vertical-align: -1px; }
.header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(10,32,53,.1); }
.header .w { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.logo { display: flex; align-items: center; flex: 0 0 auto; }
.logo img { width: 224px; height: auto; display: block; }
.logo .t { display: none; }
.nav { align-self: stretch; display: flex; align-items: stretch; gap: 2px; }
.nav > li { position: relative; display: flex; align-items: stretch; }
.nav > li > a { position: relative; display: flex; align-items: center; padding: 0 17px; color: #263d50; font-size: 14px; font-weight: 600; white-space: nowrap; }
.nav > li > a::after { content: ""; position: absolute; left: 17px; right: 17px; bottom: 0; height: 3px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav > li > a:hover, .nav > li > a.on { color: var(--blue); }
.nav > li > a:hover::after, .nav > li > a.on::after { transform: scaleX(1); }
.nav > li > a.nav-contact { align-self: center; height: 40px; margin-left: 8px; padding: 0 19px; color: #fff; background: var(--navy); }
.nav > li > a.nav-contact::after { display: none; }
.nav > li > a.nav-contact:hover { color: #fff; background: var(--blue); }
.sub { position: absolute; top: 100%; left: 0; min-width: 180px; padding: 8px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s ease; }
.nav > li:hover .sub, .nav > li:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.sub a { display: block; padding: 8px 12px; color: var(--muted); font-size: 13px; }
.sub a:hover { color: var(--blue); background: var(--mist); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 10px 8px; background: transparent; border: 0; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; margin: 5px auto; background: var(--navy); transition: transform .2s, opacity .2s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Home hero */
.hero { position: relative; min-height: 520px; overflow: hidden; background: var(--navy); }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 48%; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,24,42,.94) 0%, rgba(4,28,48,.84) 39%, rgba(4,28,48,.28) 72%, rgba(4,28,48,.08) 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 120px; background: linear-gradient(transparent, rgba(3,20,35,.25)); pointer-events: none; }
.hero-inner { position: relative; z-index: 2; min-height: 520px; padding-block: 64px 52px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; color: #fff; }
.eyebrow, .section-kicker { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .18em; line-height: 1.4; }
.eyebrow { color: #73d9ed; }
.hero h1 { max-width: 760px; margin: 16px 0 22px; font-size: clamp(42px, 5.2vw, 70px); line-height: 1.16; letter-spacing: -.045em; font-weight: 700; }
.hero-lead { max-width: 660px; color: rgba(255,255,255,.78); font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; }
.btn { display: inline-flex; min-height: 48px; padding: 0 24px; align-items: center; justify-content: center; gap: 14px; border: 1px solid transparent; font-size: 14px; font-weight: 700; transition: transform .18s, background .18s, border-color .18s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--cyan); }
.btn-primary:hover { background: #0799ba; }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn-light { color: var(--navy); background: #fff; }

/* Stats */
.stat-strip { color: #fff; background: var(--navy); }
.stat-strip .w { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { position: relative; padding: 34px 28px 32px; border-left: 1px solid rgba(255,255,255,.12); }
.stat-item:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.stat-item .n { font: 700 38px/1 Georgia, "Times New Roman", serif; letter-spacing: -.03em; }
.stat-item .n small { margin-left: 5px; font: 500 14px/1.2 "Microsoft YaHei", sans-serif; color: #72d9ed; }
.stat-item .l { margin-top: 9px; color: rgba(255,255,255,.58); font-size: 12px; }

/* Home sections */
.sec { padding: 92px 0; }
.home .sec h2, .technology-band h2 { color: var(--ink); font-size: clamp(31px, 3.4vw, 48px); line-height: 1.25; letter-spacing: -.03em; }
.section-kicker { margin-bottom: 18px; }
.section-kicker span { margin-left: 10px; color: #a8b8c2; letter-spacing: 0; }
.section-kicker.light { color: #75d9ea; }
.section-kicker.light span { color: rgba(255,255,255,.35); }
.intro-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 80px; }
.section-copy .lead-copy { margin-top: 30px; color: #32495c; font-size: 18px; line-height: 1.85; }
.section-copy > p:not(.section-kicker):not(.lead-copy) { margin-top: 17px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 16px; margin-top: 30px; color: var(--blue); font-size: 14px; font-weight: 700; }
.text-link span { transition: transform .18s; }
.text-link:hover span { transform: translateX(5px); }
.intro-visual { position: relative; padding: 0 0 42px 42px; }
.intro-visual::before { content: ""; position: absolute; left: 0; bottom: 0; width: 68%; height: 65%; background: var(--mist); }
.intro-visual img { position: relative; width: 100%; height: auto; }
.intro-visual figcaption { position: absolute; right: -20px; bottom: 0; min-width: 270px; padding: 24px 28px; display: flex; align-items: center; gap: 18px; color: #fff; background: var(--blue); box-shadow: var(--shadow); }
.intro-visual figcaption b { font: 700 48px/1 Georgia, serif; }
.intro-visual figcaption span { font-size: 12px; line-height: 1.7; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; margin-bottom: 46px; }
.section-head > p { max-width: 450px; color: rgba(255,255,255,.62); }
.section-head.dark-text > p { color: var(--muted); }
.capability-section { color: #fff; background: var(--navy); }
.capability-section h2 { color: #fff !important; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
.capability-card { min-height: 310px; padding: 32px 28px 28px; border-left: 1px solid rgba(255,255,255,.15); display: flex; flex-direction: column; transition: background .2s; }
.capability-card:last-child { border-right: 1px solid rgba(255,255,255,.15); }
.capability-card:hover { background: rgba(255,255,255,.055); }
.cap-no { color: #6bd3e8; font: 700 12px/1 Georgia, serif; }
.capability-card h3 { margin-top: 42px; font-size: 20px; }
.capability-card p { margin-top: 14px; color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.9; }
.capability-card a { margin-top: auto; color: #73d9ed; font-size: 12px; font-weight: 700; }

.project-section { background: #fff; }
.project-grid { display: grid; grid-template-columns: 1.65fr 1fr; grid-template-rows: repeat(2, 255px); gap: 14px; }
.project-card { position: relative; overflow: hidden; color: #fff; }
.project-main { grid-row: 1 / 3; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-main img { object-position: center center; }
.project-card:nth-child(2) img { object-position: center 44%; }
.project-card:nth-child(3) img { object-position: center center; }
.project-card:hover img { transform: scale(1.035); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3,22,38,.9), rgba(3,22,38,.08) 70%); }
.project-copy { position: absolute; left: 30px; right: 30px; bottom: 27px; display: flex; flex-direction: column; align-items: flex-start; }
.project-copy small { margin-bottom: 7px; color: #70d8ec; font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.project-copy b { font-size: 23px; line-height: 1.3; }
.project-main .project-copy b { font-size: 31px; }
.project-copy em { margin-top: 7px; color: rgba(255,255,255,.7); font-size: 12px; font-style: normal; }
.project-note { margin-top: 24px; color: var(--muted); font-size: 13px; border-left: 3px solid var(--cyan); padding-left: 16px; }

.technology-band { display: grid; grid-template-columns: 1fr 1fr; min-height: 610px; background: #0b3151; }
.tech-image { min-height: 520px; display: flex; align-items: center; background: #0b3151; }
.tech-image img { width: 100%; height: auto; }
.tech-content { padding: 78px max(7vw, 70px); color: #fff; display: flex; flex-direction: column; justify-content: center; }
.tech-content h2 { color: #fff; }
.tech-content > p:not(.section-kicker) { max-width: 620px; margin-top: 25px; color: rgba(255,255,255,.68); }
.tech-data { display: flex; gap: 42px; margin: 35px 0; padding-block: 24px; border-block: 1px solid rgba(255,255,255,.15); }
.tech-data span { color: rgba(255,255,255,.6); font-size: 12px; }
.tech-data b { display: block; margin-bottom: 8px; color: #fff; font: 700 28px/1 Georgia, serif; }
.tech-content .btn { align-self: flex-start; }

.sites-section { background: var(--mist); }
.site-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.site-card { overflow: hidden; background: #fff; border-bottom: 3px solid transparent; transition: transform .18s, box-shadow .18s, border-color .18s; }
.site-card:hover { transform: translateY(-4px); border-color: var(--cyan); box-shadow: var(--shadow); }
.site-card img { width: 100%; height: auto; }
.site-card > div { padding: 22px 22px 25px; }
.site-card span { color: var(--blue); font-size: 11px; font-weight: 700; }
.site-card h3 { margin-top: 3px; font-size: 19px; }
.site-card p { margin-top: 4px; color: var(--muted); font-size: 12px; }

/* Interior pages, retaining the original content structure */
.page-head { position: relative; padding: 58px 0; color: #fff; background: linear-gradient(110deg, #082846 0%, #0d3b61 70%, #0878b9 140%); overflow: hidden; }
.page-head::after { content: ""; position: absolute; right: -8vw; top: -130px; width: 420px; height: 420px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.02); }
.page-head h1 { position: relative; z-index: 1; padding-left: 18px; border-left: 4px solid var(--cyan); color: #fff; font-size: 34px; line-height: 1.35; }
.crumb { padding-block: 16px; color: #8795a0; font-size: 12px; border-bottom: 1px solid var(--line); }
.crumb a { color: var(--blue); }
body:not(.home) .sec { padding: 70px 0; }
body:not(.home) .sec-bg { background: var(--mist); }
body:not(.home) .sec h2 { position: relative; margin-bottom: 6px; padding-bottom: 15px; color: var(--ink); border-bottom: 1px solid var(--line); font-size: 28px; line-height: 1.35; }
body:not(.home) .sec h2::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 54px; height: 3px; background: var(--cyan); }
body:not(.home) .sec > .w > .sub, body:not(.home) .sec .w > .sub { margin: 5px 0 30px; color: #93a0aa; font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.banner { position: relative; min-height: 430px; overflow: hidden; color: #fff; background: var(--navy); }
.banner-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .42; }
.banner .w { position: relative; z-index: 1; min-height: 430px; display: flex; flex-direction: column; justify-content: center; }
.banner h1 { max-width: 720px; font-size: 50px; line-height: 1.2; }
.banner .sub { max-width: 620px; margin-top: 18px; color: rgba(255,255,255,.75); }

/* Shared cards and editorial structures */
.cards { display: grid; gap: 18px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card { overflow: hidden; padding: 26px; background: #fff; border: 1px solid var(--line); transition: transform .18s, box-shadow .18s, border-color .18s; }
.card:hover { transform: translateY(-3px); border-color: #c7d6df; box-shadow: 0 15px 38px rgba(9,43,71,.09); }
.card .card-img { width: calc(100% + 52px); max-width: none; height: auto; margin: -26px -26px 21px; }
.card h3 { margin-bottom: 10px; color: var(--ink); font-size: 17px; line-height: 1.5; }
.card p { color: var(--muted); font-size: 13px; }
.card .tag, .case-body .tag { display: inline-block; margin-bottom: 10px; padding: 3px 9px; color: var(--blue); background: #eaf6fa; font-size: 10px; font-weight: 700; }
.btn-outline { color: var(--blue); background: transparent; border-color: var(--blue); }
.btn-outline:hover { color: #fff; background: var(--blue); }
.with-side { display: flex; align-items: flex-start; gap: 42px; }
.sidebar { position: sticky; top: 102px; width: 220px; flex: 0 0 220px; padding: 24px; background: var(--mist); border-top: 3px solid var(--blue); }
.sidebar h4 { margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); font-size: 15px; }
.sidebar a { display: block; padding: 9px 0; color: var(--muted); border-bottom: 1px solid #e0e8ec; font-size: 13px; }
.sidebar a:hover, .sidebar a.active { color: var(--blue); font-weight: 700; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin: 26px 0; }
.case-row { display: grid; grid-template-columns: minmax(300px, 42%) 1fr; gap: 38px; padding: 34px 0; align-items: center; border-bottom: 1px solid var(--line); }
.case-row .case-img img { width: 100%; height: auto; }
.case-body h3 { margin-bottom: 10px; font-size: 23px; }
.case-body p { color: var(--muted); }
blockquote { margin: 12px 0; padding: 25px 28px; color: #365166; background: var(--mist); border-left: 4px solid var(--cyan); font-size: 16px; }
.tbl-wrap { margin: 22px 0; overflow-x: auto; }
.tbl { width: 100%; min-width: 650px; border-collapse: collapse; font-size: 13px; }
.tbl th { padding: 13px 16px; color: #fff; background: var(--navy); text-align: left; font-weight: 600; }
.tbl td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tbody tr:nth-child(even) td { background: #f8fafb; }
.timeline { position: relative; padding: 8px 0 8px 35px; border-left: 2px solid #cdd9df; }
.tl-item { position: relative; padding: 11px 0 11px 24px; }
.tl-item::before { content: ""; position: absolute; left: -42px; top: 18px; width: 12px; height: 12px; background: #fff; border: 3px solid var(--blue); border-radius: 50%; }
.tl-item .yr { color: var(--blue); font: 700 16px/1.4 Georgia, serif; }
.tl-item .tx { margin-top: 3px; color: var(--muted); font-size: 13px; }
.photo-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 18px; }
.photo-row img { width: 100%; max-width: none; min-width: 0; height: auto; }
.con-card { padding: 40px 28px; text-align: center; background: #fff; border: 1px solid var(--line); }
.con-card .ic { margin-bottom: 10px; font-size: 30px; }
.con-card h3 { font-size: 16px; }
.con-card .tel { margin: 10px 0; color: var(--blue); font: 700 28px/1.4 Georgia, serif; }
.contact-phone { display: inline-block; }
.partner-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 24px; }
.partner-photo { overflow: hidden; background: #fff; border: 1px solid var(--line); }
.partner-photo img { width: 100%; height: auto; }
.partner-photo > div { padding: 22px 24px 25px; }
.partner-photo h3 { margin-bottom: 8px; color: var(--ink); font-size: 17px; line-height: 1.5; }
.partner-photo p { color: var(--muted); font-size: 13px; }
.partner-subtitle { margin: 42px 0 16px; color: var(--ink); font-size: 18px; }
.partner-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.partner-compact { min-height: 150px; padding: 24px; display: grid; grid-template-columns: 38px 1fr; gap: 16px; background: var(--mist); border-top: 3px solid var(--blue); }
.partner-compact > span { color: #8da3b2; font: 700 13px/1.5 Georgia, serif; }
.partner-compact h3 { margin-bottom: 8px; color: var(--ink); font-size: 16px; line-height: 1.5; }
.partner-compact p { color: var(--muted); font-size: 13px; }

/* Digital construction */
.digital-home { padding: 92px 0; color: #fff; background: radial-gradient(circle at 80% 10%, rgba(18,169,204,.18), transparent 32%), linear-gradient(135deg, #061d31 0%, #0a3556 100%); overflow: hidden; }
.digital-home-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
.digital-home h2 { color: #fff; font-size: clamp(32px, 3.5vw, 49px); line-height: 1.25; letter-spacing: -.03em; }
.digital-home-copy > p:not(.section-kicker) { max-width: 590px; margin-top: 24px; color: rgba(255,255,255,.68); }
.digital-flow { margin: 32px 0; display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.digital-flow span { min-height: 58px; padding: 14px 16px; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.78); border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); font-size: 12px; }
.digital-flow b { color: #70d8ec; font: 700 11px/1 Georgia, serif; }
.digital-home-media { position: relative; min-height: 530px; }
.digital-shot { position: absolute; overflow: hidden; background: #fff; border: 1px solid rgba(255,255,255,.16); box-shadow: 0 30px 70px rgba(0,0,0,.28); }
.digital-shot img { width: 100%; height: 100%; object-fit: cover; }
.digital-shot figcaption { position: absolute; inset: auto 0 0; padding: 15px 18px; color: #fff; background: linear-gradient(transparent, rgba(3,22,38,.92)); font-size: 11px; }
.digital-shot-main { inset: 0 0 100px 42px; }
.digital-shot-main img { object-position: center 55%; }
.digital-shot-sub { left: 0; bottom: 0; width: 55%; height: 225px; border: 6px solid #0b3151; }
.digital-shot-sub img { object-position: center 60%; }

.digital-page-head { padding: 70px 0; background: radial-gradient(circle at 82% 35%, rgba(18,169,204,.22), transparent 28%), linear-gradient(120deg, #061d31, #0d3a60 72%, #0878b9 140%); }
.digital-page-head p { position: relative; z-index: 1; margin-bottom: 12px; color: #73d9ed; font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.digital-page-head h1 { max-width: 720px; font-size: clamp(34px, 4vw, 52px); }
.digital-intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 62px; align-items: center; }
.digital-intro h2 { border: 0 !important; font-size: clamp(29px, 3.1vw, 43px) !important; line-height: 1.3 !important; }
.digital-intro h2::after { display: none; }
.digital-lead { margin-top: 24px; color: var(--muted); font-size: 16px; line-height: 1.95; }
.digital-value-grid { margin-top: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.digital-value-grid article { min-height: 145px; padding: 20px 18px; background: var(--mist); border-top: 3px solid var(--cyan); }
.digital-value-grid b { display: block; margin-bottom: 8px; color: var(--ink); font-size: 15px; }
.digital-value-grid span { color: var(--muted); font-size: 12px; line-height: 1.75; }
.digital-intro-visual { overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.digital-intro-visual img { width: 100%; }
.digital-intro-visual figcaption { padding: 15px 20px; color: var(--muted); border-top: 1px solid var(--line); font-size: 11px; }

.digital-process-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.digital-process-card { overflow: hidden; display: grid; grid-template-rows: auto 1fr; background: #fff; border: 1px solid var(--line); }
.digital-process-image { overflow: hidden; aspect-ratio: 16 / 9; background: #e9eff3; }
.digital-process-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.digital-process-card:hover .digital-process-image img { transform: scale(1.02); }
.digital-process-card > div:last-child { padding: 26px 28px 28px; }
.digital-process-card span { color: var(--blue); font: 700 11px/1 Georgia, serif; }
.digital-process-card h3 { margin: 10px 0 9px; font-size: 22px; }
.digital-process-card p { color: var(--muted); font-size: 13px; }
.digital-process-card small { display: block; margin-top: 17px; padding-top: 14px; color: #81909b; border-top: 1px solid var(--line); font-size: 10px; line-height: 1.7; }

.digital-chain-band { padding: 92px 0; color: #fff; background: #061d31; }
.digital-chain-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 66px; align-items: center; }
.digital-chain-band h2 { margin-top: 10px; font-size: clamp(31px, 3.5vw, 48px); line-height: 1.28; }
.digital-chain-band p:not(.section-kicker) { max-width: 560px; margin-top: 22px; color: rgba(255,255,255,.62); }
.digital-chain-list { margin-top: 32px; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.digital-chain-list li { min-height: 105px; padding: 15px 12px; display: flex; flex-direction: column; gap: 16px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.digital-chain-list b { color: #73d9ed; font: 700 11px/1 Georgia, serif; }
.digital-chain-list span { color: rgba(255,255,255,.76); font-size: 11px; line-height: 1.55; }
.digital-chain-band figure { overflow: hidden; background: #fff; border: 1px solid rgba(255,255,255,.16); box-shadow: 0 28px 70px rgba(0,0,0,.28); }
.digital-chain-band figure img { width: 100%; }
.digital-chain-band figcaption { padding: 15px 18px; color: #617180; font-size: 11px; }
.digital-cta { margin-top: 36px; padding: 30px 34px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #fff; background: var(--navy); }
.digital-cta h3 { font-size: 20px; }
.digital-cta p { margin-top: 5px; color: rgba(255,255,255,.58); font-size: 12px; }
.digital-cta .btn { flex: 0 0 auto; }

/* Footer */
.footer { padding: 58px 0 20px; color: rgba(255,255,255,.58); background: #061d31; font-size: 12px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 42px; }
.footer h4 { margin-bottom: 15px; color: #fff; font-size: 13px; }
.footer a { display: block; width: fit-content; color: rgba(255,255,255,.58); line-height: 2.2; }
.footer p a { display: inline; }
.footer a:hover { color: #fff; }
.footer-brand img { width: 220px; margin-bottom: 17px; padding: 6px 8px; background: #fff; }
.footer-brand p { max-width: 330px; }
.footer .qr { width: 90px; height: 90px; margin-top: 6px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.28); background: rgba(255,255,255,.07); }
.footer-bottom { min-height: 54px; padding-top: 18px; display: flex; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.32); border-top: 1px solid rgba(255,255,255,.09); font-size: 10px; }
.footer-bottom a { display: inline; color: rgba(255,255,255,.4); }
.footer-bottom i { display: inline-block; width: 1px; height: 9px; margin: 0 9px; background: rgba(255,255,255,.18); }

@media (max-width: 1060px) {
  .w { width: min(var(--wide), calc(100% - 42px)); }
  .header .w { gap: 16px; }
  .logo img { width: 190px; }
  .nav > li > a { padding-inline: 11px; font-size: 13px; }
  .nav > li > a::after { left: 11px; right: 11px; }
  .intro-grid { gap: 50px; }
  .capability-card { padding-inline: 21px; }
  .site-grid { grid-template-columns: repeat(2, 1fr); }
  .technology-band { grid-template-columns: .9fr 1.1fr; }
  .tech-content { padding-inline: 52px; }
  .digital-home-grid, .digital-intro-grid, .digital-chain-grid { gap: 42px; }
  .digital-home-media { min-height: 460px; }
}

@media (max-width: 900px) {
  .w { width: min(var(--wide), calc(100% - 36px)); }
  .topbar { display: none; }
  .header .w { height: 66px; }
  .logo img { width: 174px; }
  .nav-toggle { display: block; }
  .nav { position: fixed; inset: 66px 0 0; padding: 20px 18px 40px; display: none; overflow-y: auto; color: var(--ink); background: #fff; border-top: 1px solid var(--line); }
  .nav.open { display: block; }
  .nav > li { display: block; border-bottom: 1px solid var(--line); }
  .nav > li > a { min-height: 54px; padding: 0 8px; font-size: 16px; }
  .nav > li > a::after { display: none; }
  .nav > li > a.nav-contact { height: 48px; margin: 18px 0 0; justify-content: center; }
  .sub { position: static; display: block; padding: 0 0 12px 16px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .hero, .hero-inner { min-height: 500px; }
  .hero-inner { padding-block: 58px 42px; }
  .hero h1 { font-size: clamp(39px, 8vw, 60px); }
  .hero-shade { background: linear-gradient(90deg, rgba(4,24,42,.94), rgba(4,28,48,.68)); }
  .sec { padding: 72px 0; }
  .intro-grid { grid-template-columns: 1fr; gap: 46px; }
  .intro-visual { max-width: 760px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 18px; margin-bottom: 36px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-card { border-bottom: 1px solid rgba(255,255,255,.15); }
  .capability-card:nth-child(2) { border-right: 1px solid rgba(255,255,255,.15); }
  .project-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 420px 240px; }
  .project-main { grid-column: 1 / 3; grid-row: auto; }
  .technology-band { grid-template-columns: 1fr; }
  .tech-image { min-height: 420px; }
  .tech-content { padding: 65px 7vw; }
  .digital-home-grid, .digital-intro-grid, .digital-chain-grid { grid-template-columns: 1fr; }
  .digital-home-media { min-height: 520px; }
  .digital-intro-visual { max-width: 760px; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
  .with-side { flex-direction: column; }
  .sidebar { position: static; width: 100%; flex-basis: auto; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .w { width: min(var(--wide), calc(100% - 28px)); }
  .stat-strip .w { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero, .hero-inner { min-height: 480px; }
  .hero-media { object-position: 56% center; }
  .hero-inner { padding-block: 62px 38px; }
  .hero h1 { margin-top: 12px; font-size: 38px; }
  .hero-lead { font-size: 14px; line-height: 1.75; }
  .hero-actions { width: 100%; flex-direction: column; gap: 10px; margin-top: 25px; }
  .hero-actions .btn { width: 100%; }
  .stat-item { padding: 25px 15px 23px; }
  .stat-item .n { font-size: 30px; }
  .stat-item .l { font-size: 11px; line-height: 1.5; }
  .sec { padding: 58px 0; }
  .home .sec h2, .technology-band h2 { font-size: 32px; }
  .section-copy .lead-copy { margin-top: 23px; font-size: 16px; }
  .intro-visual { padding: 0 0 30px 18px; }
  .intro-visual figcaption { right: -4px; min-width: 235px; padding: 18px 20px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-card { min-height: 250px; border-right: 1px solid rgba(255,255,255,.15); }
  .capability-card h3 { margin-top: 30px; }
  .project-copy { left: 22px; right: 22px; bottom: 21px; }
  .project-main .project-copy b, .project-copy b { font-size: 23px; }
  .tech-image { min-height: 300px; }
  .tech-content { padding: 54px 24px; }
  .tech-data { gap: 24px; }
  .tech-data b { font-size: 23px; }
  .site-grid { grid-template-columns: 1fr; }
  .site-card { display: grid; grid-template-columns: 45% 55%; }
  .site-card img { height: auto; align-self: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .page-head { padding: 43px 0; }
  .page-head h1 { font-size: 27px; }
  body:not(.home) .sec { padding: 54px 0; }
  .cards-2, .cards-3, .cards-4, .stat-grid { grid-template-columns: 1fr; }
  .case-row { grid-template-columns: 1fr; gap: 20px; padding: 28px 0; }
  .photo-row { grid-template-columns: repeat(2, 1fr); }
  .partner-gallery, .partner-list { grid-template-columns: 1fr; }
  .partner-compact { min-height: 0; }
  .digital-home { padding: 62px 0; }
  .digital-home-media { min-height: 370px; }
  .digital-shot-main { left: 20px; bottom: 72px; }
  .digital-shot-sub { width: 58%; height: 150px; }
  .digital-value-grid { grid-template-columns: 1fr; }
  .digital-value-grid article { min-height: 0; }
  .digital-process-grid { grid-template-columns: 1fr; }
  .digital-chain-band { padding: 62px 0; }
  .digital-chain-list { grid-template-columns: repeat(2, 1fr); }
  .digital-chain-list li:last-child { grid-column: 1 / -1; min-height: 78px; }
  .digital-cta { align-items: flex-start; flex-direction: column; padding: 26px 24px; }
}

@media (max-width: 480px) {
  .capability-grid { grid-template-columns: 1fr; }
  .project-grid { display: block; }
  .project-card { display: block; height: 260px; margin-bottom: 10px; }
  .project-main { height: 330px; }
  .digital-flow { grid-template-columns: 1fr; }
  .digital-home-media { min-height: 300px; }
  .digital-shot-main { left: 0; bottom: 60px; }
  .digital-shot-sub { height: 122px; }
}

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