:root {
  --navy-950: #07182d; --navy-900: #0b2442; --navy-800: #12345a;
  --blue-600: #0f6bff; --blue-500: #2f83ff; --cyan-400: #16b8c4; --teal-400: #11b8a6;
  --ink: #132135; --muted: #60708a; --line: #dce5f0; --surface: #fff;
  --surface-soft: #f4f8fc; --surface-blue: #edf5ff; --success: #16a673;
  --shadow-sm: 0 8px 24px rgba(15,44,80,.07); --shadow-md: 0 18px 48px rgba(15,44,80,.11);
  --shadow-lg: 0 30px 80px rgba(10,40,78,.18); --radius-sm: 12px; --radius-md: 20px;
  --radius-lg: 30px; --container: 1180px; --header-height: 78px; --ease: cubic-bezier(.2,.7,.2,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--surface); font-family: "Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC",sans-serif; font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button,input,textarea,select { font: inherit; }
button { color: inherit; }
img,svg { display: block; max-width: 100%; }
h1,h2,h3,h4,p { margin-top: 0; }
h1,h2,h3,h4 { line-height: 1.25; letter-spacing: -.02em; }
p { color: var(--muted); }
::selection { color: #fff; background: var(--blue-600); }
:focus-visible { outline: 3px solid rgba(15,107,255,.35); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 9999; top: 12px; left: 12px; padding: 10px 16px; color: #fff; background: var(--navy-900); border-radius: 8px; transform: translateY(-150%); transition: .2s; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 40px),var(--container)); margin-inline: auto; }
.section { padding: 104px 0; }
.section--soft { background: var(--surface-soft); }
.section--blue { background: linear-gradient(180deg,#f5f9ff 0%,#edf5ff 100%); }
.section--dark { color: #fff; background: var(--navy-950); }
.section--tight { padding-top: 72px; padding-bottom: 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--blue-600); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { width: 24px; height: 2px; content: ""; background: currentColor; border-radius: 99px; }
.section-heading { max-width: 720px; margin-bottom: 48px; }
.section-heading--center { margin-inline: auto; text-align: center; }
.section-heading--center .eyebrow { justify-content: center; }
.section-heading h2 { margin-bottom: 18px; color: var(--navy-900); font-size: clamp(30px,4vw,48px); }
.section-heading p { margin-bottom: 0; font-size: 17px; }
.section--dark .section-heading h2,.section--dark h2,.section--dark h3 { color: #fff; }
.section--dark p { color: #a8bad0; }
.utility-bar { position: relative; z-index: 1002; color: #d7e4f2; background: var(--navy-950); font-size: 13px; }
.utility-inner { display: flex; min-height: 34px; align-items: center; justify-content: space-between; gap: 24px; }
.utility-inner span { display: inline-flex; align-items: center; gap: 8px; }
.utility-inner svg { width: 14px; height: 14px; color: #60d9cf; }
.site-header { position: sticky; z-index: 1000; top: 0; background: rgba(255,255,255,.9); border-bottom: 1px solid rgba(220,229,240,.72); backdrop-filter: blur(18px); transition: .25s; }
.site-header.is-scrolled { background: rgba(255,255,255,.97); box-shadow: 0 10px 32px rgba(22,52,90,.08); }
.header-inner { display: flex; min-height: var(--header-height); align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand img { width: 46px; height: 46px; filter: drop-shadow(0 7px 14px rgba(15,107,255,.14)); }
.brand-copy { display: grid; gap: 1px; line-height: 1; }
.brand-copy strong { color: var(--navy-900); font-size: 20px; letter-spacing: .04em; }
.brand-copy small { color: #71829a; font-size: 9px; font-weight: 700; letter-spacing: .13em; }
.site-nav { display: flex; align-items: center; gap: 5px; }
.site-nav > a:not(.nav-cta) { position: relative; padding: 26px 14px 24px; color: #3f526e; font-size: 15px; font-weight: 700; white-space: nowrap; transition: color .2s; }
.site-nav > a:not(.nav-cta)::after { position: absolute; right: 14px; bottom: 18px; left: 14px; height: 2px; content: ""; background: var(--blue-600); border-radius: 99px; transform: scaleX(0); transition: transform .25s var(--ease); }
.site-nav > a:hover,.site-nav > a.active { color: var(--blue-600); }
.site-nav > a:hover::after,.site-nav > a.active::after { transform: scaleX(1); }
.nav-cta { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; margin-left: 10px; padding: 0 18px; color: #fff; background: var(--navy-900); border-radius: 10px; font-size: 14px; font-weight: 800; transition: .2s; }
.nav-cta:hover { background: var(--blue-600); box-shadow: 0 10px 24px rgba(15,107,255,.25); transform: translateY(-1px); }
.nav-cta svg { width: 16px; height: 16px; }
.nav-toggle { display: none; width: 46px; height: 46px; padding: 0; background: #f1f5fa; border: 0; border-radius: 12px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--navy-900); border-radius: 2px; transition: .25s; }
.btn { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 10px; padding: 0 24px; border: 1px solid transparent; border-radius: 12px; font-size: 15px; font-weight: 800; cursor: pointer; transition: .2s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 18px; height: 18px; }
.btn-primary { color: #fff; background: linear-gradient(135deg,var(--blue-600),#178eeb); box-shadow: 0 14px 30px rgba(15,107,255,.24); }
.btn-primary:hover { box-shadow: 0 18px 38px rgba(15,107,255,.31); }
.btn-secondary { color: var(--navy-900); background: #fff; border-color: #cfdae8; }
.btn-secondary:hover { color: var(--blue-600); border-color: #9fc3ff; box-shadow: var(--shadow-sm); }
.btn-dark { color: #fff; background: var(--navy-900); }
.btn-dark:hover { background: var(--blue-600); }
.btn-light { color: var(--navy-900); background: #fff; }
.btn-link { min-height: auto; padding: 0; color: var(--blue-600); border-radius: 0; }
.btn-link:hover { transform: translateX(3px); }
.hero { position: relative; min-height: 680px; overflow: hidden; background: radial-gradient(circle at 86% 20%,rgba(22,184,196,.13),transparent 30%),radial-gradient(circle at 12% 86%,rgba(15,107,255,.11),transparent 28%),linear-gradient(180deg,#f8fbff 0%,#fff 100%); }
.hero::before { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(21,75,128,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(21,75,128,.055) 1px,transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom,#000 0%,transparent 82%); }
.hero::after { position: absolute; top: -120px; right: -130px; width: 480px; height: 480px; content: ""; border: 1px solid rgba(15,107,255,.12); border-radius: 50%; box-shadow: 0 0 0 70px rgba(15,107,255,.025),0 0 0 140px rgba(15,107,255,.018); }
.hero-grid { position: relative; z-index: 2; display: grid; min-height: 680px; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 70px; padding: 72px 0 82px; }
.hero-copy { max-width: 650px; }
.hero h1 { max-width: 760px; margin-bottom: 24px; color: var(--navy-950); font-size: clamp(42px,5.4vw,70px); line-height: 1.12; letter-spacing: -.045em; }
.hero h1 .accent { position: relative; display: inline-block; color: var(--blue-600); }
.hero h1 .accent::after { position: absolute; right: 0; bottom: 2px; left: 0; height: 8px; content: ""; background: rgba(22,184,196,.14); border-radius: 99px; z-index: -1; }
.hero-lead { max-width: 610px; margin-bottom: 32px; color: #4f617b; font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-tags span { padding: 7px 12px; color: #3a536f; background: rgba(255,255,255,.78); border: 1px solid #dce7f4; border-radius: 999px; font-size: 13px; font-weight: 700; backdrop-filter: blur(8px); }
.hero-visual { position: relative; min-height: 500px; }
.system-panel { position: absolute; top: 52px; right: 8px; width: min(100%,500px); padding: 24px; overflow: hidden; background: rgba(255,255,255,.92); border: 1px solid rgba(190,211,235,.85); border-radius: 28px; box-shadow: var(--shadow-lg); backdrop-filter: blur(18px); }
.system-panel::before { position: absolute; top: 0; left: 0; width: 100%; height: 4px; content: ""; background: linear-gradient(90deg,var(--blue-600),var(--cyan-400),var(--teal-400)); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.panel-title { display: flex; align-items: center; gap: 10px; color: var(--navy-900); font-size: 15px; font-weight: 800; }
.panel-title span:first-child { display: grid; width: 34px; height: 34px; place-items: center; color: #fff; background: var(--navy-900); border-radius: 10px; }
.live-status { display: inline-flex; align-items: center; gap: 7px; color: var(--success); font-size: 12px; font-weight: 800; }
.live-status::before { width: 7px; height: 7px; content: ""; background: currentColor; border-radius: 50%; box-shadow: 0 0 0 5px rgba(22,166,115,.12); animation: pulse 2s infinite; }
.network-stage { position: relative; min-height: 230px; overflow: hidden; background: linear-gradient(145deg,#0d2a4c,#0b213b); border-radius: 20px; }
.network-stage::before { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(91,167,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(91,167,255,.08) 1px,transparent 1px); background-size: 24px 24px; }
.network-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.network-link { fill: none; stroke: rgba(78,180,255,.46); stroke-width: 1.5; stroke-dasharray: 4 5; animation: dash 12s linear infinite; }
.network-node { fill: #0f6bff; stroke: #81d9ff; stroke-width: 2; filter: drop-shadow(0 0 7px rgba(62,175,255,.7)); }
.network-core { fill: #12b9aa; stroke: #c2fff8; stroke-width: 2; filter: drop-shadow(0 0 12px rgba(18,185,170,.8)); }
.panel-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 14px; }
.panel-stat { padding: 13px; background: #f5f8fc; border: 1px solid #e7eef7; border-radius: 13px; }
.panel-stat strong { display: block; color: var(--navy-900); font-size: 15px; }
.panel-stat span { color: #76869c; font-size: 11px; }
.float-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 11px; padding: 13px 16px; background: rgba(255,255,255,.96); border: 1px solid #e1eaf5; border-radius: 15px; box-shadow: var(--shadow-md); animation: float 5s ease-in-out infinite; }
.float-card svg { width: 24px; height: 24px; color: var(--blue-600); }
.float-card strong { display: block; color: var(--navy-900); font-size: 13px; line-height: 1.3; }
.float-card span { display: block; color: #7c8ca1; font-size: 11px; }
.float-card--one { top: 8px; left: 2px; }
.float-card--two { right: -15px; bottom: 34px; animation-delay: -2.2s; }
.trust-strip { position: relative; z-index: 4; margin-top: -34px; }
.trust-grid { display: grid; grid-template-columns: repeat(4,1fr); background: #fff; border: 1px solid #e2eaf4; border-radius: 18px; box-shadow: var(--shadow-md); }
.trust-item { display: flex; align-items: center; gap: 14px; padding: 22px 24px; border-right: 1px solid #e8eef6; }
.trust-item:last-child { border-right: 0; }
.trust-icon { display: grid; width: 44px; height: 44px; flex: 0 0 auto; place-items: center; color: var(--blue-600); background: var(--surface-blue); border-radius: 13px; }
.trust-icon svg { width: 22px; height: 22px; }
.trust-item strong { display: block; color: var(--navy-900); font-size: 15px; }
.trust-item span { display: block; color: #7a8aa0; font-size: 12px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.card { position: relative; padding: 28px; overflow: hidden; background: #fff; border: 1px solid #e1e9f3; border-radius: var(--radius-md); transition: .28s var(--ease); }
.card:hover { border-color: #bed5f4; box-shadow: var(--shadow-md); transform: translateY(-5px); }
.card-icon { display: grid; width: 54px; height: 54px; margin-bottom: 24px; place-items: center; color: var(--blue-600); background: linear-gradient(145deg,#eff6ff,#e8f8f9); border: 1px solid #dbeafd; border-radius: 16px; }
.card-icon svg { width: 27px; height: 27px; }
.card h3 { margin-bottom: 12px; color: var(--navy-900); font-size: 21px; }
.card p { margin-bottom: 18px; font-size: 14px; }
.card-link { display: inline-flex; align-items: center; gap: 7px; color: var(--blue-600); font-size: 14px; font-weight: 800; }
.card-link svg { width: 16px; height: 16px; transition: transform .2s; }
.card:hover .card-link svg { transform: translateX(4px); }
.service-card::after { position: absolute; right: -42px; bottom: -54px; width: 120px; height: 120px; content: ""; background: radial-gradient(circle,rgba(15,107,255,.12),transparent 68%); }
.service-number { position: absolute; top: 24px; right: 26px; color: #e5edf7; font-size: 38px; font-weight: 900; letter-spacing: -.06em; }
.service-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.service-tags span { padding: 4px 9px; color: #64758c; background: #f4f7fb; border-radius: 6px; font-size: 11px; }
.split-layout { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 72px; }
.split-copy h2 { margin-bottom: 22px; color: var(--navy-900); font-size: clamp(30px,4vw,48px); }
.split-copy p { font-size: 16px; }
.check-list { display: grid; gap: 14px; margin: 26px 0 32px; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; color: #42536c; font-size: 15px; }
.check-list li::before { display: grid; width: 22px; height: 22px; flex: 0 0 auto; margin-top: 2px; place-items: center; color: #fff; content: "✓"; background: var(--teal-400); border-radius: 50%; font-size: 12px; font-weight: 900; }
.blueprint-card { position: relative; min-height: 500px; overflow: hidden; background: var(--navy-900); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.blueprint-card::before { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(80,152,236,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(80,152,236,.12) 1px,transparent 1px); background-size: 34px 34px; }
.blueprint-building { position: absolute; right: 34px; bottom: 38px; left: 34px; height: 310px; }
.building-grid { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; align-items: end; }
.building-block { position: relative; background: linear-gradient(180deg,rgba(39,133,255,.92),rgba(20,94,175,.45)); border: 1px solid rgba(102,190,255,.48); border-radius: 8px 8px 3px 3px; box-shadow: inset 0 0 25px rgba(86,183,255,.15); }
.building-block:nth-child(1) { height: 44%; } .building-block:nth-child(2) { height: 70%; } .building-block:nth-child(3) { height: 92%; } .building-block:nth-child(4) { height: 63%; } .building-block:nth-child(5) { height: 80%; }
.building-block::after { position: absolute; inset: 10px; content: ""; background-image: radial-gradient(rgba(203,236,255,.6) 1px,transparent 1px); background-size: 13px 18px; opacity: .44; }
.building-lines { position: absolute; inset: -20px -8px -10px; width: calc(100% + 16px); height: calc(100% + 30px); overflow: visible; }
.building-lines path { fill: none; stroke: #6ce4d8; stroke-width: 1.8; stroke-dasharray: 5 6; filter: drop-shadow(0 0 5px rgba(108,228,216,.65)); animation: dash 14s linear infinite; }
.blueprint-label { position: absolute; top: 28px; left: 30px; padding: 11px 14px; color: #d8eaff; background: rgba(7,24,45,.7); border: 1px solid rgba(102,173,255,.24); border-radius: 10px; font-size: 12px; backdrop-filter: blur(8px); }
.blueprint-legend { position: absolute; top: 30px; right: 30px; display: grid; gap: 8px; }
.blueprint-legend span { display: flex; align-items: center; gap: 7px; color: #a8c9ee; font-size: 11px; }
.blueprint-legend i { width: 7px; height: 7px; background: var(--blue-500); border-radius: 50%; box-shadow: 0 0 8px currentColor; }
.blueprint-legend span:nth-child(2) i { background: #6ce4d8; } .blueprint-legend span:nth-child(3) i { background: #f2b84b; }
.advantage-card { padding: 24px 0; border-top: 1px solid #e2e9f2; }
.advantage-grid { display: grid; grid-template-columns: .75fr 2.25fr; gap: 36px; align-items: start; }
.advantage-title { position: sticky; top: 124px; }
.advantage-title h2 { margin-bottom: 18px; color: var(--navy-900); font-size: 36px; }
.advantage-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 0 38px; }
.advantage-item { padding: 25px 0; border-bottom: 1px solid #e3eaf3; }
.advantage-item:nth-last-child(-n+2) { border-bottom: 0; }
.advantage-item strong { display: flex; align-items: center; gap: 11px; margin-bottom: 10px; color: var(--navy-900); font-size: 17px; }
.advantage-item strong span { display: grid; width: 28px; height: 28px; place-items: center; color: var(--blue-600); background: var(--surface-blue); border-radius: 8px; font-size: 12px; }
.advantage-item p { margin: 0; font-size: 14px; }
.case-card { position: relative; overflow: hidden; background: #fff; border: 1px solid #e0e9f3; border-radius: var(--radius-md); transition: .28s var(--ease); }
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.case-visual { position: relative; min-height: 210px; overflow: hidden; background: linear-gradient(145deg,#0b2442,#123c68); }
.case-visual::before { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(98,183,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(98,183,255,.09) 1px,transparent 1px); background-size: 25px 25px; }
.case-visual::after { position: absolute; right: -35px; bottom: -60px; width: 210px; height: 210px; content: ""; border: 1px solid rgba(86,213,201,.34); border-radius: 50%; box-shadow: 0 0 0 32px rgba(86,213,201,.05),0 0 0 64px rgba(86,213,201,.035); }
.case-visual svg { position: absolute; z-index: 2; right: 18px; bottom: 18px; width: 150px; height: 120px; color: #66d8d1; opacity: .92; }
.case-visual .case-type { position: absolute; z-index: 3; top: 18px; left: 18px; padding: 6px 10px; color: #ccecff; background: rgba(5,22,42,.62); border: 1px solid rgba(112,182,255,.25); border-radius: 999px; font-size: 11px; font-weight: 800; backdrop-filter: blur(8px); }
.case-visual--network { background: linear-gradient(145deg,#09233f,#0d4f72); } .case-visual--network svg { color: #59b7ff; }
.case-visual--campus { background: linear-gradient(145deg,#101f3d,#24446a); }
.case-visual--business { background: linear-gradient(145deg,#0b2943,#13636a); }
.case-visual--government { background: linear-gradient(145deg,#132543,#324b75); }
.case-visual--education { background: linear-gradient(145deg,#0c2c46,#235f71); }
.case-body { padding: 24px; }
.case-body h3 { margin-bottom: 10px; color: var(--navy-900); font-size: 20px; }
.case-body p { margin-bottom: 17px; font-size: 14px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.case-tags span { padding: 4px 9px; color: #5c6e88; background: #f2f6fb; border-radius: 6px; font-size: 11px; }
.cta-band { position: relative; overflow: hidden; padding: 68px; color: #fff; background: linear-gradient(120deg,#0a2240 0%,#0e3f70 60%,#0c6d81 125%); border-radius: var(--radius-lg); }
.cta-band::before { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px); background-size: 34px 34px; }
.cta-band::after { position: absolute; top: -100px; right: -50px; width: 350px; height: 350px; content: ""; border: 1px solid rgba(101,225,215,.24); border-radius: 50%; box-shadow: 0 0 0 55px rgba(101,225,215,.04),0 0 0 110px rgba(101,225,215,.025); }
.cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { max-width: 720px; margin-bottom: 14px; color: #fff; font-size: clamp(30px,4vw,46px); }
.cta-inner p { max-width: 650px; margin: 0; color: #b9cee4; }
.cta-actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; gap: 12px; }
.page-hero { position: relative; overflow: hidden; color: #fff; background: var(--navy-950); }
.page-hero::before { position: absolute; inset: 0; content: ""; background: radial-gradient(circle at 78% 22%,rgba(20,183,190,.2),transparent 28%),radial-gradient(circle at 20% 80%,rgba(15,107,255,.2),transparent 28%); }
.page-hero::after { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(87,155,231,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(87,155,231,.07) 1px,transparent 1px); background-size: 38px 38px; mask-image: linear-gradient(90deg,transparent,#000 28%,#000 100%); }
.page-hero-inner { position: relative; z-index: 2; padding: 82px 0 76px; }
.breadcrumbs { display: flex; align-items: center; gap: 9px; margin-bottom: 28px; color: #91a8c2; font-size: 13px; }
.breadcrumbs a:hover { color: #fff; } .breadcrumbs span { color: #4f6885; }
.page-hero h1 { max-width: 850px; margin-bottom: 20px; color: #fff; font-size: clamp(40px,5vw,60px); letter-spacing: -.04em; }
.page-hero p { max-width: 760px; margin: 0; color: #b6c9de; font-size: 18px; }
.page-hero .hero-actions { margin-top: 32px; }
.page-hero--compact .page-hero-inner { padding: 62px 0 58px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-btn { min-height: 42px; padding: 0 17px; color: #52657f; background: #fff; border: 1px solid #dce6f1; border-radius: 10px; font-size: 14px; font-weight: 700; cursor: pointer; transition: .2s; }
.filter-btn:hover,.filter-btn.active { color: #fff; background: var(--navy-900); border-color: var(--navy-900); box-shadow: 0 8px 20px rgba(11,36,66,.14); }
.filter-count { margin-left: 5px; color: #8fa0b5; font-size: 12px; } .filter-btn.active .filter-count { color: #a8c9ec; }
.product-card { display: flex; min-height: 100%; flex-direction: column; }
.product-card.is-hidden,.case-card.is-hidden { display: none; }
.product-card .card-link { margin-top: auto; }
.product-specs { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 20px; }
.product-specs span { padding: 4px 8px; color: #5d7089; background: #f4f7fa; border-radius: 6px; font-size: 11px; }
.product-badge { display: inline-flex; align-self: flex-start; margin-bottom: 18px; padding: 5px 9px; color: var(--blue-600); background: #eef5ff; border-radius: 999px; font-size: 11px; font-weight: 800; }
.empty-state { display: none; padding: 70px 20px; color: var(--muted); text-align: center; background: #fff; border: 1px dashed #cad8e8; border-radius: var(--radius-md); }
.empty-state.show { display: block; }
.feature-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 55px; align-items: center; }
.feature-band-copy h2 { color: var(--navy-900); font-size: clamp(30px,4vw,46px); }
.feature-band-copy p { font-size: 16px; }
.mini-features { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.mini-feature { padding: 22px; background: #fff; border: 1px solid #dfe8f2; border-radius: 16px; box-shadow: 0 8px 20px rgba(15,44,80,.04); }
.mini-feature strong { display: block; margin-bottom: 8px; color: var(--navy-900); font-size: 16px; }
.mini-feature span { display: block; color: #7a8ba1; font-size: 13px; }
.mini-feature svg { width: 26px; height: 26px; margin-bottom: 14px; color: var(--blue-600); }
.timeline { position: relative; display: grid; grid-template-columns: repeat(7,1fr); gap: 16px; }
.timeline::before { position: absolute; top: 26px; right: 7%; left: 7%; height: 1px; content: ""; background: #cfdbe9; }
.timeline-step { position: relative; z-index: 2; text-align: center; }
.timeline-dot { display: grid; width: 52px; height: 52px; margin: 0 auto 18px; place-items: center; color: var(--blue-600); background: #fff; border: 1px solid #cbd9e9; border-radius: 50%; box-shadow: 0 8px 20px rgba(15,44,80,.06); font-size: 13px; font-weight: 900; }
.timeline-step.active .timeline-dot { color: #fff; background: var(--blue-600); border-color: var(--blue-600); box-shadow: 0 10px 25px rgba(15,107,255,.25); }
.timeline-step strong { display: block; color: var(--navy-900); font-size: 14px; }
.timeline-step span { display: block; margin-top: 4px; color: #8696aa; font-size: 11px; }
.support-grid { align-items: stretch; } .support-card { display: flex; min-height: 100%; flex-direction: column; }
.support-card.featured { color: #fff; background: var(--navy-900); border-color: var(--navy-900); box-shadow: var(--shadow-md); }
.support-card.featured h3,.support-card.featured .support-kicker { color: #fff; }
.support-card.featured p,.support-card.featured li { color: #b7c8db; }
.support-card.featured .card-icon { color: #8ee2d9; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.11); }
.support-kicker { display: block; margin-bottom: 10px; color: var(--blue-600); font-size: 12px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.support-list { display: grid; gap: 10px; margin: 8px 0 24px; padding: 0; list-style: none; }
.support-list li { display: flex; gap: 9px; color: #52647d; font-size: 13px; }
.support-list li::before { color: var(--teal-400); content: "✓"; font-weight: 900; }
.support-card .btn { margin-top: auto; }
.assurance-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.assurance-item { padding: 26px; background: #fff; border: 1px solid #e1e9f3; border-radius: 18px; }
.assurance-item svg { width: 30px; height: 30px; margin-bottom: 20px; color: var(--blue-600); }
.assurance-item h3 { margin-bottom: 9px; color: var(--navy-900); font-size: 18px; }
.assurance-item p { margin: 0; font-size: 13px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid #dfe8f2; border-radius: 15px; overflow: hidden; }
.faq-question { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 23px; color: var(--navy-900); background: none; border: 0; font-size: 16px; font-weight: 800; text-align: left; cursor: pointer; }
.faq-icon { position: relative; width: 22px; height: 22px; flex: 0 0 auto; }
.faq-icon::before,.faq-icon::after { position: absolute; top: 10px; left: 4px; width: 14px; height: 2px; content: ""; background: var(--blue-600); border-radius: 2px; transition: transform .25s; }
.faq-icon::after { transform: rotate(90deg); } .faq-item.open .faq-icon::after { transform: rotate(0); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--ease); }
.faq-answer > div { overflow: hidden; } .faq-answer p { margin: 0; padding: 0 23px 22px; font-size: 14px; }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.contact-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 48px; align-items: start; }
.contact-panel { padding: 32px; color: #fff; background: var(--navy-900); border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.contact-panel h2 { margin-bottom: 14px; color: #fff; font-size: 28px; }
.contact-panel > p { color: #aebfd2; font-size: 14px; }
.contact-list { display: grid; gap: 20px; margin-top: 30px; }
.contact-item { display: flex; gap: 14px; }
.contact-item svg { width: 21px; height: 21px; flex: 0 0 auto; margin-top: 2px; color: #63d9cf; }
.contact-item span { display: block; margin-bottom: 2px; color: #8fa6be; font-size: 12px; }
.contact-item strong,.contact-item a { color: #fff; font-size: 15px; font-weight: 700; line-height: 1.5; }
.contact-item a:hover { color: #74e3d9; }
.contact-hours { margin-top: 30px; padding: 17px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 13px; }
.contact-hours strong { display: block; margin-bottom: 5px; color: #fff; font-size: 13px; }
.contact-hours span { color: #9fb3c9; font-size: 12px; }
.contact-form { padding: 34px; background: #fff; border: 1px solid #dfe8f2; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.contact-form h2 { margin-bottom: 8px; color: var(--navy-900); font-size: 28px; }
.contact-form > p { margin-bottom: 28px; font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.form-field { display: grid; gap: 8px; } .form-field.full { grid-column: 1 / -1; }
.form-field label { color: #3f5068; font-size: 13px; font-weight: 800; }
.form-field label em { color: #e45353; font-style: normal; }
.form-field input,.form-field select,.form-field textarea { width: 100%; color: var(--ink); background: #f9fbfd; border: 1px solid #dbe5f0; border-radius: 10px; outline: none; transition: .2s; }
.form-field input,.form-field select { height: 48px; padding: 0 14px; }
.form-field textarea { min-height: 120px; padding: 13px 14px; resize: vertical; }
.form-field input:focus,.form-field select:focus,.form-field textarea:focus { background: #fff; border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(15,107,255,.1); }
.form-field input::placeholder,.form-field textarea::placeholder { color: #a2afbf; }
.form-submit-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 22px; }
.form-note { color: #8998aa; font-size: 11px; }
.form-status { display: none; margin-top: 18px; padding: 12px 14px; color: #0e7c58; background: #eaf9f3; border: 1px solid #c6efdf; border-radius: 10px; font-size: 13px; }
.form-status.show { display: block; } .form-status.error { color: #a63a3a; background: #fff1f1; border-color: #ffd0d0; }
.location-card { position: relative; min-height: 340px; margin-top: 24px; overflow: hidden; background: linear-gradient(145deg,#0a2440,#0f4d69); border-radius: var(--radius-md); }
.location-card::before { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(91,177,245,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(91,177,245,.12) 1px,transparent 1px); background-size: 30px 30px; }
.location-card::after { position: absolute; right: -100px; bottom: -120px; width: 360px; height: 360px; content: ""; border: 1px solid rgba(77,205,204,.3); border-radius: 50%; box-shadow: 0 0 0 50px rgba(77,205,204,.05),0 0 0 100px rgba(77,205,204,.03); }
.map-path { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.map-path path { fill: none; stroke: #5b98d2; stroke-width: 2; stroke-dasharray: 6 8; }
.location-pin { position: absolute; z-index: 4; top: 44%; left: 57%; width: 56px; height: 56px; transform: translate(-50%,-50%); }
.location-pin::before { position: absolute; inset: 0; content: ""; background: rgba(104,224,213,.25); border-radius: 50%; animation: pinPulse 2.4s infinite; }
.location-pin span { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; width: 34px; height: 34px; place-items: center; color: #fff; background: var(--teal-400); border: 3px solid #d9fffa; border-radius: 50% 50% 50% 0; box-shadow: 0 8px 20px rgba(0,0,0,.28); transform: translate(-50%,-58%) rotate(-45deg); }
.location-pin svg { width: 15px; height: 15px; transform: rotate(45deg); }
.location-copy { position: absolute; z-index: 3; bottom: 24px; left: 24px; padding: 16px 18px; color: #fff; background: rgba(4,19,37,.72); border: 1px solid rgba(134,192,244,.18); border-radius: 14px; backdrop-filter: blur(10px); }
.location-copy strong { display: block; margin-bottom: 3px; } .location-copy span { color: #a9bfd5; font-size: 12px; }
.quick-contact { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 24px; }
.quick-contact a { display: flex; align-items: center; gap: 13px; padding: 19px; background: #fff; border: 1px solid #e0e8f2; border-radius: 15px; transition: .2s; }
.quick-contact a:hover { color: var(--blue-600); border-color: #bcd2ef; box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.quick-contact svg { width: 22px; height: 22px; color: var(--blue-600); }
.quick-contact strong { display: block; color: var(--navy-900); font-size: 14px; } .quick-contact span { display: block; color: #8b99ac; font-size: 11px; }
.site-footer { color: #9cafc4; background: #06152a; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.25fr; gap: 48px; padding: 72px 0 52px; }
.footer-brand .brand-copy strong { color: #fff; } .footer-brand .brand-copy small { color: #748aa2; }
.footer-brand p { max-width: 350px; margin: 20px 0 0; color: #8296ad; font-size: 13px; }
.footer-column h3 { margin-bottom: 20px; color: #fff; font-size: 15px; }
.footer-links { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.footer-links a { color: #91a5ba; font-size: 13px; transition: .2s; }
.footer-links a:hover { color: #68dbd1; }
.footer-contact { display: grid; gap: 13px; }
.footer-contact span { display: block; color: #73889f; font-size: 11px; }
.footer-contact strong,.footer-contact a { display: block; color: #d8e3ee; font-size: 13px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; border-top: 1px solid rgba(143,170,199,.12); font-size: 12px; }
.footer-bottom a:hover { color: #68dbd1; }
.reveal { opacity: 1; transform: none; transition: opacity .45s var(--ease),transform .45s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; } .reveal-delay-2 { transition-delay: .16s; } .reveal-delay-3 { transition-delay: .24s; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }
@keyframes dash { to { stroke-dashoffset: -120; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes pinPulse { 0% { transform: scale(.6); opacity: .9; } 100% { transform: scale(2.2); opacity: 0; } }
@media (max-width:1080px) {
  .hero-grid { gap: 36px; } .float-card--two { right: 0; } .trust-item { padding-inline: 17px; }
  .advantage-grid,.split-layout { grid-template-columns: 1fr; gap: 45px; } .advantage-title { position: static; }
  .timeline { grid-template-columns: repeat(4,1fr); row-gap: 30px; } .timeline::before { display: none; }
  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-main .footer-column:last-child { grid-column: 1 / -1; grid-template-columns: repeat(3,1fr); }
}
@media (max-width:900px) {
  :root { --header-height: 70px; } .utility-inner span:last-child { display: none; } .nav-toggle { display: block; }
  .site-nav { position: fixed; z-index: 999; top: calc(34px + var(--header-height)); right: 0; left: 0; display: grid; max-height: calc(100vh - 104px); padding: 12px 20px 26px; overflow-y: auto; background: rgba(255,255,255,.98); border-bottom: 1px solid #dce5f0; box-shadow: 0 22px 40px rgba(15,44,80,.12); transform: translateY(-18px); visibility: hidden; opacity: 0; transition: .25s var(--ease); }
  .nav-open .site-nav { transform: none; visibility: visible; opacity: 1; }
  .site-nav > a:not(.nav-cta) { padding: 14px 4px; border-bottom: 1px solid #edf1f6; } .site-nav > a:not(.nav-cta)::after { display: none; } .nav-cta { margin: 12px 0 0; }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); } .nav-open .nav-toggle span:nth-child(2) { opacity: 0; } .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero,.hero-grid { min-height: auto; } .hero-grid { grid-template-columns: 1fr; padding-top: 72px; } .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 480px; } .system-panel { right: auto; left: 50%; transform: translateX(-50%); }
  .float-card--one { left: 4%; } .float-card--two { right: 4%; }
  .trust-grid { grid-template-columns: repeat(2,1fr); } .trust-item:nth-child(2) { border-right: 0; } .trust-item:nth-child(-n+2) { border-bottom: 1px solid #e8eef6; }
  .grid-3,.grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); } .feature-band,.contact-layout { grid-template-columns: 1fr; }
  .cta-band { padding: 50px 40px; } .cta-inner { align-items: flex-start; flex-direction: column; }
  .timeline { grid-template-columns: repeat(3,1fr); } .assurance-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width:640px) {
  .container { width: min(calc(100% - 28px),var(--container)); } .section { padding: 74px 0; } .section-heading { margin-bottom: 34px; } .section-heading h2 { font-size: 32px; }
  .utility-bar { display: none; } .site-header { top: 0; } .site-nav { top: var(--header-height); max-height: calc(100vh - var(--header-height)); }
  .brand img { width: 42px; height: 42px; } .brand-copy strong { font-size: 18px; }
  .hero-grid { min-height: auto; padding: 60px 0 65px; } .hero h1 { font-size: 39px; } .hero-lead { font-size: 16px; } .hero-actions .btn { width: 100%; }
  .hero-visual { min-height: 410px; margin-top: 12px; } .system-panel { top: 28px; padding: 18px; border-radius: 20px; } .network-stage { min-height: 200px; } .float-card { display: none; }
  .trust-strip { margin-top: -20px; } .trust-grid,.grid-2,.grid-3,.grid-4,.advantage-list,.mini-features,.assurance-grid,.quick-contact { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid #e8eef6; } .trust-item:last-child { border-bottom: 0; } .trust-item:nth-child(2) { border-bottom: 1px solid #e8eef6; }
  .blueprint-card { min-height: 390px; } .blueprint-building { right: 18px; bottom: 28px; left: 18px; height: 240px; }
  .advantage-item:nth-last-child(-n+2) { border-bottom: 1px solid #e3eaf3; } .advantage-item:last-child { border-bottom: 0; }
  .cta-band { padding: 38px 24px; border-radius: 22px; } .cta-actions,.cta-actions .btn { width: 100%; }
  .page-hero-inner { padding: 56px 0; } .page-hero h1 { font-size: 40px; } .page-hero p { font-size: 16px; }
  .timeline { grid-template-columns: repeat(2,1fr); } .form-grid { grid-template-columns: 1fr; } .form-field.full { grid-column: auto; }
  .contact-form,.contact-panel { padding: 24px; } .form-submit-row { align-items: flex-start; flex-direction: column; } .form-submit-row .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px 24px; padding: 56px 0 40px; } .footer-brand { grid-column: 1 / -1; }
  .footer-main .footer-column:last-child { grid-column: 1 / -1; grid-template-columns: 1fr; } .footer-bottom { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; } *,*::before,*::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}
/* Final responsive hardening */
html, body { width: 100%; max-width: 100%; overflow-x: hidden; }
.hero-grid, .header-inner, .contact-layout, .split-layout, .feature-band, .advantage-grid, .footer-main { min-width: 0; }
.hero-copy, .hero-visual, .trust-grid, .grid-2, .grid-3, .grid-4 { min-width: 0; }
.system-panel { width: 100%; max-width: 500px; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .hero h1 { overflow-wrap: anywhere; }
  .hero h1 .accent { display: inline; overflow-wrap: anywhere; }
  .hero h1 .accent::after { display: none; }
  .system-panel { right: auto; left: 0; max-width: 100%; transform: none; }
}
/* Brochure content blocks */
.photo-card { position: relative; min-height: 500px; overflow: hidden; background: var(--navy-900); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.photo-card::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, rgba(7,24,45,.02) 25%, rgba(7,24,45,.9) 100%); }
.photo-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.photo-card-copy { position: absolute; z-index: 2; right: 34px; bottom: 34px; left: 34px; color: #fff; }
.photo-card-copy span { display: block; margin-bottom: 8px; color: #70ded5; font-size: 11px; font-weight: 900; letter-spacing: .16em; }
.photo-card-copy strong { display: block; margin-bottom: 6px; color: #fff; font-size: 26px; }
.photo-card-copy small { color: #bdd1e5; font-size: 12px; }
.case-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.case-card:hover .case-photo img { transform: scale(1.045); }
.case-photo::after { right: 0; bottom: 0; width: 100%; height: 45%; border: 0; border-radius: 0; background: linear-gradient(180deg, transparent, rgba(3,17,33,.42)); box-shadow: none; }
.case-photo .case-type { z-index: 4; }
.brand-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.brand-cloud span { padding: 12px 17px; color: #d8e8f7; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 999px; font-size: 13px; font-weight: 700; }
.brand-cloud span:hover { color: #fff; background: rgba(15,107,255,.2); border-color: rgba(103,187,255,.38); }
@media (max-width: 640px) {
  .photo-card { min-height: 390px; }
  .photo-card-copy { right: 22px; bottom: 22px; left: 22px; }
  .photo-card-copy strong { font-size: 22px; }
  .brand-cloud { gap: 8px; }
  .brand-cloud span { padding: 9px 12px; font-size: 12px; }
}