:root {
  --ink: #242424;
  --muted: #6c6c6c;
  --paper: #ffffff;
  --soft: #f5f4f1;
  --brand: #ef6c24;
  --brand-dark: #c94819;
  --line: #e6e3df;
  --shadow: 0 16px 50px rgba(25, 25, 25, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button { font: inherit; }
.wrap { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.eyebrow { color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.section { padding: 92px 0; }
.section.soft { background: var(--soft); }
.section.dark { color: white; background: #202120; }
.section-title { margin: 8px 0 16px; font-size: clamp(30px, 4vw, 50px); line-height: 1.15; }
.section-lead { max-width: 760px; margin: 0 auto 44px; color: var(--muted); text-align: center; }
.section-head { margin-bottom: 42px; text-align: center; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(0,0,0,.07);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
}
.nav { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 200px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 30px; font-size: 15px; font-weight: 700; }
.nav-links a { position: relative; }
.nav-links a:not(.call-btn)::after {
  position: absolute; right: 0; bottom: -7px; left: 0; height: 2px;
  content: ""; background: var(--brand); transform: scaleX(0); transition: transform .2s;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.call-btn, .primary-btn, .ghost-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
  padding: 0 25px; border-radius: 999px; font-weight: 800; transition: .2s ease;
}
.call-btn, .primary-btn { color: white; background: var(--brand); }
.call-btn:hover, .primary-btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
.ghost-btn { border: 1px solid rgba(255,255,255,.5); color: white; }
.ghost-btn:hover { border-color: white; background: rgba(255,255,255,.1); }
.menu-btn { display: none; border: 0; background: transparent; font-size: 27px; }

.hero {
  position: relative; display: grid; min-height: 720px; place-items: center;
  color: white; background: #242424 url('/assets/FoDseggOBJ0EOxbh-Pg3awXTRo3K.jpg') center/cover no-repeat;
}
.hero::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(15,15,15,.82), rgba(15,15,15,.23)); }
.hero-copy { position: relative; width: min(1160px, calc(100% - 48px)); }
.hero h1 { max-width: 780px; margin: 10px 0 20px; font-size: clamp(42px, 6vw, 76px); line-height: 1.08; letter-spacing: -.02em; }
.hero p { margin: 7px 0; font-size: clamp(17px, 2vw, 23px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.intro-grid, .about-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 70px; }
.intro-photo { overflow: hidden; border-radius: 4px; box-shadow: var(--shadow); }
.intro-photo img { min-height: 520px; object-fit: cover; }
.intro-copy p { color: #595959; }

.problem-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.problem-card { overflow: hidden; background: white; box-shadow: 0 9px 35px rgba(20,20,20,.08); }
.problem-card img { aspect-ratio: 16/10; object-fit: cover; }
.problem-card div { padding: 25px; }
.problem-card h3 { margin: 0 0 10px; font-size: 21px; }
.problem-card p { margin: 0; color: var(--muted); font-size: 14px; }

.solution-band { padding: 62px 0; color: white; background: linear-gradient(120deg,#252525,#37322e); text-align: center; }
.solution-band h2 { margin: 8px 0 0; font-size: clamp(28px, 4vw, 48px); }

.steps { display: grid; grid-template-columns: repeat(5,1fr); gap: 18px; counter-reset: step; }
.step { position: relative; min-height: 178px; padding: 30px 20px 22px; background: var(--soft); text-align: center; }
.step::before { counter-increment: step; content: "0" counter(step); display: block; color: var(--brand); font-size: 31px; font-weight: 900; }
.step h3 { margin: 8px 0 0; font-size: 18px; }

.gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.gallery-card { position: relative; overflow: hidden; min-height: 260px; }
.gallery-card img { height: 100%; min-height: 260px; object-fit: cover; transition: transform .5s; }
.gallery-card:hover img { transform: scale(1.04); }
.gallery-card span { position: absolute; inset: auto 0 0; padding: 28px 24px 18px; color: white; background: linear-gradient(transparent,rgba(0,0,0,.78)); font-size: 21px; font-weight: 800; }

.scenes { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.scene { position: relative; overflow: hidden; min-height: 280px; }
.scene img { height: 100%; object-fit: cover; filter: brightness(.8); transition: .4s; }
.scene:hover img { filter: brightness(.95); transform: scale(1.025); }
.scene div { position: absolute; inset: auto 24px 24px; color: white; }
.scene strong { display: block; font-size: 25px; }
.scene span { font-size: 14px; opacity: .9; }

.logos { display: grid; grid-template-columns: repeat(5,1fr); align-items: center; gap: 22px; }
.logo-box { display: grid; min-height: 132px; place-items: center; padding: 24px; border: 1px solid var(--line); background: white; }
.logo-box img { max-width: 150px; max-height: 72px; object-fit: contain; }

.media-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.media-card { padding: 30px; border: 1px solid var(--line); background: white; }
.media-card img { width: auto; max-width: 185px; height: 58px; margin-bottom: 24px; object-fit: contain; object-position: left center; }
.media-card p { color: var(--muted); }

.contact-card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; padding: 52px; border-radius: 5px; background: white; color: var(--ink); box-shadow: var(--shadow); }
.contact-card h2 { margin: 0 0 14px; font-size: clamp(32px,4vw,50px); line-height: 1.2; }
.contact-card p { color: var(--muted); }
.phone-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; border-left: 1px solid var(--line); text-align: center; }
.phone-label { color: var(--muted); font-size: 14px; }
.phone-number { margin: 5px 0 17px; color: var(--brand); font-size: clamp(30px,4vw,46px); font-weight: 900; line-height: 1; }

.sub-hero { padding: 110px 0 75px; color: white; background: #242424; text-align: center; }
.sub-hero h1 { margin: 8px 0 12px; font-size: clamp(42px,6vw,70px); line-height: 1.1; }
.sub-hero p { margin: 0 auto; max-width: 760px; color: rgba(255,255,255,.75); font-size: 19px; }
.timeline { position: relative; max-width: 920px; margin: 0 auto; }
.timeline::before { position: absolute; top: 0; bottom: 0; left: 132px; width: 1px; content: ""; background: var(--line); }
.timeline-item { display: grid; grid-template-columns: 110px 1fr; gap: 45px; margin-bottom: 48px; }
.timeline-year { color: var(--brand); font-weight: 900; }
.timeline-copy { position: relative; padding: 0 0 10px; }
.timeline-copy::before { position: absolute; top: 8px; left: -51px; width: 11px; height: 11px; border: 3px solid white; border-radius: 50%; content: ""; background: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.timeline-copy h3 { margin: 0 0 8px; font-size: 25px; }
.timeline-copy p { margin: 0; color: var(--muted); }
.values { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.value { padding: 38px; border-top: 4px solid var(--brand); background: var(--soft); }
.value h3 { margin: 0 0 10px; font-size: 26px; }

.article-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.article-card { display: grid; grid-template-columns: 210px 1fr; min-height: 230px; overflow: hidden; border: 1px solid var(--line); background: white; transition: .2s; }
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.article-card img { height: 100%; object-fit: cover; }
.article-card div { padding: 28px; }
.article-card time { color: var(--brand); font-size: 13px; font-weight: 800; }
.article-card h2 { margin: 7px 0 10px; font-size: 23px; line-height: 1.35; }
.article-card p { margin: 0; color: var(--muted); font-size: 14px; }

.article-head { max-width: 900px; margin: 0 auto; padding: 105px 24px 52px; text-align: center; }
.article-head h1 { margin: 9px 0 18px; font-size: clamp(34px,5vw,57px); line-height: 1.2; }
.article-head p { margin: 0; color: var(--muted); }
.article-body { max-width: 820px; margin: 0 auto; padding: 0 24px 90px; font-size: 17px; }
.article-body h2 { margin: 44px 0 14px; font-size: 28px; }
.article-body h3 { margin: 34px 0 10px; font-size: 22px; }
.article-body p { margin: 0 0 18px; }
.article-body img { margin: 30px 0; max-height: 620px; object-fit: contain; }
.article-body ol, .article-body ul { padding-left: 24px; }
.article-cta { margin-top: 55px; padding: 35px; background: var(--soft); text-align: center; }

.site-footer { padding: 60px 0 30px; color: rgba(255,255,255,.8); background: #161716; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 55px; }
.footer-logo { width: 220px; filter: brightness(0) invert(1); }
.footer-title { color: white; font-weight: 800; }
.footer-links { display: grid; gap: 7px; }
.footer-bottom { margin-top: 42px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }
.float-call { position: fixed; right: 20px; bottom: 20px; z-index: 40; box-shadow: 0 8px 30px rgba(239,108,36,.35); }

@media (max-width: 920px) {
  .nav-links { position: fixed; top: 76px; right: 0; left: 0; display: none; padding: 26px; border-bottom: 1px solid var(--line); background: white; flex-direction: column; }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  .hero { min-height: 630px; }
  .intro-grid, .about-grid, .contact-card { grid-template-columns: 1fr; }
  .phone-panel { padding-top: 32px; border-top: 1px solid var(--line); border-left: 0; }
  .problem-grid { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(3,1fr); }
  .gallery, .scenes { grid-template-columns: repeat(2,1fr); }
  .logos { grid-template-columns: repeat(3,1fr); }
  .media-grid, .values { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .wrap { width: min(100% - 30px,1160px); }
  .brand img { width: 168px; }
  .section { padding: 65px 0; }
  .hero { min-height: 610px; background-position: 62% center; }
  .hero::before { background: rgba(15,15,15,.62); }
  .hero-copy { width: calc(100% - 30px); }
  .hero h1 { font-size: 42px; }
  .problem-grid, .gallery, .scenes, .logos { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact-card { padding: 30px 23px; }
  .timeline::before { left: 0; }
  .timeline-item { grid-template-columns: 1fr; gap: 9px; padding-left: 25px; }
  .timeline-copy::before { left: -31px; }
  .article-card { grid-template-columns: 1fr; }
  .article-card img { height: 210px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .float-call { right: 12px; bottom: 12px; min-height: 44px; padding: 0 18px; font-size: 14px; }
}