:root {
  --navy: #051d3b;
  --navy-2: #0a2c55;
  --blue: #0785ed;
  --cyan: #05d1cc;
  --orange: #ff7a14;
  --ink: #101722;
  --muted: #667085;
  --line: #e5eaf0;
  --surface: #f5f8fb;
  --white: #fff;
  --max: 1200px;
  --shadow: 0 18px 50px rgba(5, 29, 59, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; background: #fff; line-height: 1.65; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -60px; padding: 10px 16px; background: var(--orange); color: #fff; z-index: 1000; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 100; height: 78px; background: rgba(255,255,255,.96); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(5,29,59,.08); }
.header-inner { height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 260px; }
.brand img { width: 48px; height: 48px; border-radius: 14px; }
.brand strong { display: block; font-size: 19px; line-height: 1.2; }
.brand small { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 28px; margin-left: auto; }
.main-nav a { position: relative; padding: 27px 0 23px; font-size: 14px; font-weight: 600; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 18px; height: 2px; background: var(--orange); transform: scaleX(0); transition: .25s; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-phone { font-weight: 700; white-space: nowrap; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 10px; background: var(--surface); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 12px; border: 1px solid transparent; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; cursor: pointer; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(5,29,59,.15); }
.btn-primary { background: var(--orange); color: #fff; }
.btn-dark { background: var(--navy-2); color: #fff; border-color: rgba(255,255,255,.15); }
.btn-outline { border-color: var(--line); background: #fff; color: var(--navy); }

.hero { position: relative; min-height: 720px; color: #fff; background: var(--navy); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,29,59,.98) 0%, rgba(5,29,59,.90) 43%, rgba(5,29,59,.25) 100%); z-index: 1; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-inner { position: relative; z-index: 2; min-height: 720px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 60px; }
.eyebrow { color: var(--cyan); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero h1 { font-size: clamp(42px, 5vw, 68px); line-height: 1.12; letter-spacing: -.04em; margin: 24px 0; max-width: 780px; }
.hero p { max-width: 680px; color: #c2cedb; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-proof { display: flex; gap: 30px; margin-top: 44px; color: #d9e5f1; font-size: 13px; }
.hero-proof strong { display: block; color: #fff; font-size: 23px; }
.hero-visual { min-height: 440px; }

.asset { position: relative; overflow: hidden; background: linear-gradient(135deg, #0a2c55, #0d4668 55%, #087d83); border: 1px solid rgba(255,255,255,.15); }
.asset::before { content: ""; position: absolute; inset: 0; background-image: var(--asset-url); background-size: cover; background-position: center; opacity: 0; transition: opacity .3s; }
.asset.has-image::before { opacity: 1; }
.asset-label { position: absolute; inset: 0; z-index: 1; display: grid; place-content: center; text-align: center; padding: 22px; color: rgba(255,255,255,.9); }
.asset.has-image .asset-label { display: none; }
.asset-label b { display: block; color: var(--cyan); font-size: 13px; letter-spacing: .08em; }
.asset-label span { display: block; font-size: 12px; margin-top: 7px; overflow-wrap: anywhere; }
.asset-light { background: linear-gradient(135deg, #edf4fb, #dcecf8); border-color: var(--line); }
.asset-light .asset-label { color: var(--muted); }
.asset-light .asset-label b { color: var(--blue); }

.page-hero { min-height: 500px; }
.page-hero .hero-inner { min-height: 500px; }
.page-hero h1 { font-size: clamp(38px, 4vw, 56px); }
.page-hero .hero-visual { min-height: 330px; border-radius: 24px; }

.stats { position: relative; z-index: 5; margin-top: -60px; }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.stat { padding: 10px 30px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-size: 30px; color: var(--navy); }
.stat:first-child strong { color: var(--orange); }
.stat span { color: var(--muted); font-size: 13px; }

.section { padding: 104px 0; }
.section-alt { background: var(--surface); }
.section-dark { background: var(--navy); color: #fff; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 50px; }
.section-title h2 { font-size: clamp(30px, 3vw, 42px); line-height: 1.2; margin: 12px 0; letter-spacing: -.03em; }
.section-title p { color: var(--muted); max-width: 760px; margin: 0; }
.section-dark .section-title p { color: #aebdcb; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-media { aspect-ratio: 3/2; }
.card-body { padding: 25px; }
.card-kicker { color: var(--orange); font-size: 12px; font-weight: 800; }
.card h3 { font-size: 20px; margin: 10px 0; }
.card p { color: var(--muted); margin: 0 0 18px; font-size: 14px; }
.text-link { color: var(--blue); font-size: 13px; font-weight: 800; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.feature { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.feature-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 15px; color: #fff; background: var(--navy); font-weight: 800; }
.feature:first-child .feature-icon { background: var(--orange); }
.feature h3 { margin: 0 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-media { min-height: 500px; border-radius: 24px; }
.list-check { list-style: none; margin: 28px 0; padding: 0; display: grid; gap: 14px; }
.list-check li { position: relative; padding-left: 30px; }
.list-check li::before { content: "✓"; position: absolute; left: 0; color: var(--orange); font-weight: 900; }

.process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; counter-reset: step; }
.process-item { min-height: 150px; padding: 22px; border-radius: 18px; background: var(--navy-2); }
.process-item::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 28px; color: var(--orange); font-size: 24px; font-weight: 800; }
.process-item strong { font-size: 15px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-btn { padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); cursor: pointer; }
.filter-btn.active, .filter-btn:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

.detail-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.tag { padding: 7px 12px; border-radius: 999px; background: #edf5ff; color: var(--blue); font-size: 12px; font-weight: 700; }
.article { max-width: 900px; margin-inline: auto; }
.article h2 { font-size: 32px; margin: 55px 0 20px; }
.article p { color: #475467; }
.article-media { min-height: 520px; border-radius: 24px; margin: 34px 0; }

.cta { padding: 80px 0; }
.cta-box { display: grid; grid-template-columns: 1.3fr .7fr; gap: 60px; align-items: center; padding: 60px; border-radius: 28px; color: #fff; background: var(--navy); }
.cta h2 { margin: 0 0 15px; font-size: 38px; }
.cta p { color: #b7c6d5; }
.quick-form { padding: 25px; border-radius: 18px; background: #fff; }
.quick-form input, .quick-form select, .quick-form textarea { width: 100%; margin-bottom: 11px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }
.quick-form textarea { min-height: 88px; resize: vertical; }
.quick-form .btn { width: 100%; }

.site-footer { padding: 70px 0 25px; color: #b2c0cf; background: #071321; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .7fr 1fr; gap: 50px; }
.footer-brand { display: flex; align-items: center; gap: 14px; color: #fff; font-size: 22px; font-weight: 800; }
.footer-brand img { width: 52px; border-radius: 14px; }
.site-footer h3 { color: #fff; font-size: 15px; margin-top: 0; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 9px 0; font-size: 13px; }
.copyright { margin-top: 50px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }

@media (max-width: 1024px) {
  .main-nav { position: fixed; inset: 78px 0 auto; display: none; padding: 20px; background: #fff; box-shadow: var(--shadow); }
  .main-nav.open { display: grid; }
  .main-nav a { padding: 12px; }
  .main-nav a::after { display: none; }
  .header-phone { margin-left: auto; }
  .menu-toggle { display: block; }
  .hero-inner { grid-template-columns: 1fr; padding: 90px 0 70px; }
  .hero-visual { min-height: 340px; }
  .stats-inner, .card-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .split, .cta-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, var(--max)); }
  .brand { min-width: auto; }
  .brand small, .header-phone { display: none; }
  .site-header, .header-inner { height: 68px; }
  .main-nav { inset: 68px 0 auto; }
  .hero, .hero-inner { min-height: auto; }
  .hero-inner { padding: 75px 0 55px; }
  .hero h1 { font-size: 42px; }
  .hero-proof { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-visual { min-height: 250px; }
  .page-hero .hero-inner { min-height: auto; }
  .stats { margin-top: 0; padding-top: 20px; }
  .stats-inner, .card-grid, .feature-grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .section { padding: 72px 0; }
  .section-head { display: block; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .cta-box { padding: 30px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
}