/* =========================================================
   DB HiTek - 공통 스타일
   ========================================================= */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

:root {
  --green: #00844a;
  --green-light: #35a64f;
  --green-pale: #e8f5ee;
  --blue: #0a62ae;
  --orange: #f37a20;
  --black: #111;
  --gray-900: #1d1d1f;
  --gray-700: #444;
  --gray-500: #777;
  --gray-300: #d5d7da;
  --gray-100: #f4f5f7;
  --white: #fff;
  --radius: 20px;
  --radius-sm: 12px;
  --header-h: 84px;
  --max-w: 1320px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --shadow: 0 10px 40px rgba(0, 0, 0, .08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; }
table { border-collapse: collapse; width: 100%; }
.blind { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }
.green { color: var(--green); }
.pc-only { display: inline; }
.m-only { display: none; }

/* ---------------- Header ---------------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  transition: background .3s, box-shadow .3s, transform .4s var(--ease);
}
.header .inner {
  height: 100%; max-width: 1600px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.header .logo a {
  display: block; width: 130px; height: 38px;
  background: url(../images/common/logo_w.svg) no-repeat center / contain;
  text-indent: -9999px; overflow: hidden;
}
.header.scrolled, .header.solid, .header.menu-open {
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .06);
}
.header.scrolled .logo a, .header.solid .logo a, .header.menu-open .logo a {
  background-image: url(../images/common/logo.svg);
}
.header.hide { transform: translateY(-100%); }

.gnb { display: flex; gap: 6px; height: 100%; }
.gnb > li { position: relative; height: 100%; display: flex; align-items: center; }
.gnb > li > a {
  padding: 0 20px; font-size: 17px; font-weight: 600; color: var(--white);
  height: 100%; display: flex; align-items: center; transition: color .2s;
}
.header.scrolled .gnb > li > a, .header.solid .gnb > li > a { color: var(--gray-900); }
.gnb > li > a:hover, .gnb > li.active > a { color: var(--green-light) !important; }
.gnb .sub {
  position: absolute; top: calc(100% - 10px); left: 50%; transform: translate(-50%, 10px);
  min-width: 220px; background: var(--white); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 14px; opacity: 0; visibility: hidden;
  transition: all .25s var(--ease);
}
.gnb > li:hover .sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.gnb .sub a {
  display: block; padding: 9px 14px; border-radius: 8px; font-size: 15px; color: var(--gray-700);
  white-space: nowrap; transition: background .2s, color .2s;
}
.gnb .sub a:hover, .gnb .sub a.active { background: var(--green-pale); color: var(--green); font-weight: 600; }
.gnb .sub .group-label { padding: 10px 14px 4px; font-size: 12px; font-weight: 700; color: var(--gray-500); letter-spacing: .04em; text-transform: uppercase; }

.header-util { display: flex; align-items: center; gap: 12px; }
.header-util .btn-recruit {
  padding: 8px 18px; border: 1px solid rgba(255, 255, 255, .6); border-radius: 30px;
  font-size: 14px; font-weight: 600; color: var(--white); transition: all .2s;
}
.header.scrolled .btn-recruit, .header.solid .btn-recruit, .header.menu-open .btn-recruit { border-color: var(--gray-300); color: var(--gray-900); }
.header-util .btn-recruit:hover { background: var(--green); border-color: var(--green); color: var(--white) !important; }
.btn-burger { display: none; width: 40px; height: 40px; position: relative; }
.btn-burger span {
  position: absolute; left: 8px; right: 8px; height: 2px; background: var(--white);
  transition: all .3s var(--ease);
}
.header.scrolled .btn-burger span, .header.solid .btn-burger span, .header.menu-open .btn-burger span { background: var(--gray-900); }
.btn-burger span:nth-child(1) { top: 13px; }
.btn-burger span:nth-child(2) { top: 19px; }
.btn-burger span:nth-child(3) { top: 25px; }
.header.menu-open .btn-burger span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.header.menu-open .btn-burger span:nth-child(2) { opacity: 0; }
.header.menu-open .btn-burger span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

.m-nav {
  position: fixed; inset: var(--header-h) 0 0 0; background: var(--white); z-index: 99;
  overflow-y: auto; padding: 20px 24px 60px; transform: translateX(100%);
  transition: transform .4s var(--ease);
}
.m-nav.open { transform: translateX(0); }
.m-nav > li { border-bottom: 1px solid var(--gray-100); }
.m-nav > li > button {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; font-size: 19px; font-weight: 700;
}
.m-nav > li > button::after { content: '+'; font-weight: 300; font-size: 24px; color: var(--gray-500); transition: transform .3s; }
.m-nav > li.open > button::after { transform: rotate(45deg); }
.m-nav .sub { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.m-nav li.open .sub { max-height: 800px; }
.m-nav .sub a { display: block; padding: 10px 12px; color: var(--gray-700); font-size: 15px; }
.m-nav .sub a.active { color: var(--green); font-weight: 600; }
.m-nav .sub .group-label { padding: 10px 12px 2px; font-size: 12px; color: var(--gray-500); font-weight: 700; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 40px; font-weight: 600; font-size: 15px;
  border: 1px solid var(--gray-900); color: var(--gray-900); transition: all .25s var(--ease);
}
.btn::after { content: '→'; transition: transform .25s var(--ease); }
.btn:hover { background: var(--green); border-color: var(--green); color: var(--white); }
.btn:hover::after { transform: translateX(4px); }
.btn.white { border-color: rgba(255, 255, 255, .7); color: var(--white); }
.btn.white:hover { background: var(--white); color: var(--green); border-color: var(--white); }
.btn.fill { background: var(--green); border-color: var(--green); color: var(--white); }
.btn.fill:hover { background: var(--gray-900); border-color: var(--gray-900); }
.btn.download::after { content: '↓'; }
.btn-wrap { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------------- Sub page hero ---------------- */
.sub-hero {
  position: relative; height: 560px; min-height: 420px; color: var(--white);
  display: flex; align-items: flex-end; overflow: hidden; background: #0b1a14;
}
.sub-hero .bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.08); animation: heroZoom 2.4s var(--ease) forwards;
}
.sub-hero .bg video { width: 100%; height: 100%; object-fit: cover; }
.sub-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .35) 0%, rgba(0, 0, 0, .1) 40%, rgba(0, 0, 0, .55) 100%);
}
.sub-hero .container { position: relative; z-index: 2; padding-bottom: 70px; }
.sub-hero .eyebrow { font-size: 15px; font-weight: 600; opacity: .85; letter-spacing: .06em; margin-bottom: 12px; }
.sub-hero h1 { font-size: clamp(36px, 5vw, 64px); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
.sub-hero .desc { margin-top: 18px; font-size: 18px; max-width: 720px; opacity: .9; }
@keyframes heroZoom { to { transform: scale(1); } }

.breadcrumb { display: flex; gap: 8px; font-size: 14px; opacity: .85; margin-bottom: 18px; flex-wrap: wrap; }
.breadcrumb li + li::before { content: '›'; margin-right: 8px; opacity: .6; }

/* 로컬 서브 내비게이션 (같은 카테고리 페이지 탭) */
.local-nav { position: sticky; top: var(--header-h); z-index: 50; background: var(--white); border-bottom: 1px solid var(--gray-100); }
.local-nav ul { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding: 14px 0; }
.local-nav ul::-webkit-scrollbar { display: none; }
.local-nav a {
  display: block; padding: 8px 18px; border-radius: 30px; font-size: 15px; font-weight: 500;
  white-space: nowrap; color: var(--gray-700); transition: all .2s;
}
.local-nav a:hover { background: var(--gray-100); }
.local-nav a.active { background: var(--gray-900); color: var(--white); }

/* ---------------- Sections ---------------- */
.section { padding: 120px 0; }
.section.gray { background: var(--gray-100); }
.section.dark { background: #0d1512; color: var(--white); }
.section.green { background: var(--green); color: var(--white); }
.section:not(.gray):not(.dark):not(.green) + .section:not(.gray):not(.dark):not(.green) { padding-top: 0; }
.sec-head { margin-bottom: 56px; max-width: 900px; }
.sec-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.sec-label { display: inline-block; font-size: 14px; font-weight: 700; color: var(--green); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
.section.dark .sec-label, .section.green .sec-label { color: #8dc540; }
.sec-title { font-size: clamp(28px, 3.4vw, 46px); font-weight: 800; line-height: 1.25; letter-spacing: -.02em; }
.sec-desc { margin-top: 20px; font-size: 18px; color: var(--gray-700); line-height: 1.75; }
.section.dark .sec-desc, .section.green .sec-desc { color: rgba(255, 255, 255, .8); }
.lead { font-size: clamp(22px, 2.4vw, 32px); font-weight: 700; line-height: 1.5; letter-spacing: -.01em; }
.text { font-size: 17px; color: var(--gray-700); line-height: 1.85; }
.text + .text { margin-top: 16px; }
h3.sub-title { font-size: 26px; font-weight: 700; margin-bottom: 20px; letter-spacing: -.01em; }
h4.item-title { font-size: 20px; font-weight: 700; margin-bottom: 10px; }

/* Grid */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split.reverse > :first-child { order: 2; }

/* Card */
.card {
  background: var(--white); border-radius: var(--radius); padding: 40px 36px;
  border: 1px solid var(--gray-100); transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.section.gray .card { border-color: transparent; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card .num { font-size: 15px; font-weight: 700; color: var(--green); margin-bottom: 16px; display: block; }
.card .ico { width: 64px; height: 64px; margin-bottom: 24px; object-fit: contain; }
.card h4 { font-size: 21px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
.card p, .card li { font-size: 16px; color: var(--gray-700); line-height: 1.75; }
.card ul.dot li { position: relative; padding-left: 14px; }
.card ul.dot li::before { content: ''; position: absolute; left: 0; top: .75em; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.section.dark .card { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .08); }
.section.dark .card p, .section.dark .card li { color: rgba(255, 255, 255, .75); }

/* Image card */
.img-card { border-radius: var(--radius); overflow: hidden; background: var(--white); border: 1px solid var(--gray-100); }
.img-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--gray-100); }
.img-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.img-card:hover .thumb img { transform: scale(1.06); }
.img-card .body { padding: 28px; }
.img-card .body h4 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.img-card .body p { font-size: 15px; color: var(--gray-700); }

/* Figure */
.figure { border-radius: var(--radius); overflow: hidden; }
.figure img, .figure video { width: 100%; height: auto; }
.figure.contain { background: var(--gray-100); padding: 40px; }
.figure.contain img { margin: 0 auto; }
.figure figcaption { font-size: 14px; color: var(--gray-500); margin-top: 12px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { padding: 36px 30px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--gray-100); }
.section.dark .stat { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .08); }
.stat .label { font-size: 15px; font-weight: 600; color: var(--gray-500); }
.section.dark .stat .label { color: rgba(255, 255, 255, .6); }
.stat .value { margin-top: 14px; font-size: clamp(32px, 3.6vw, 48px); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; color: var(--green); }
.section.dark .stat .value { color: #8dc540; }
.stat .value small { font-size: .45em; font-weight: 600; margin-left: 4px; color: var(--gray-700); }
.section.dark .stat .value small { color: rgba(255, 255, 255, .7); }
.stat .note { font-size: 13px; color: var(--gray-500); margin-top: 8px; }

/* Feature list (번호형) */
.feature-list > li { display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 32px 0; border-top: 1px solid var(--gray-300); }
.feature-list > li:last-child { border-bottom: 1px solid var(--gray-300); }
.feature-list .idx { font-size: 28px; font-weight: 800; color: var(--green); }
.feature-list h4 { font-size: 21px; font-weight: 700; margin-bottom: 8px; }
.feature-list p { color: var(--gray-700); }

/* Tag / chip */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 8px 16px; border-radius: 30px; background: var(--green-pale); color: var(--green); font-size: 14px; font-weight: 600; }
.section.dark .chip { background: rgba(141, 197, 64, .15); color: #b7e07a; }

/* Table */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--gray-300); }
.data-table { min-width: 640px; font-size: 15px; }
.data-table th, .data-table td { padding: 16px 20px; border-bottom: 1px solid var(--gray-100); text-align: left; vertical-align: top; }
.data-table thead th { background: var(--gray-900); color: var(--white); font-weight: 600; white-space: nowrap; }
.data-table tbody th { background: var(--gray-100); font-weight: 600; white-space: nowrap; }
.data-table tbody tr:hover td { background: #fafbfa; }
.data-table tr:last-child td, .data-table tr:last-child th { border-bottom: 0; }

/* Timeline (연혁) */
.timeline { position: relative; }
.timeline .era { display: grid; grid-template-columns: 260px 1fr; gap: 60px; padding: 60px 0; border-top: 1px solid var(--gray-300); }
.timeline .era-title { position: sticky; top: calc(var(--header-h) + 90px); align-self: start; }
.timeline .era-title strong { display: block; font-size: 44px; font-weight: 800; color: var(--green); letter-spacing: -.02em; line-height: 1.1; }
.timeline .era-title span { display: block; margin-top: 10px; font-size: 16px; color: var(--gray-500); }
.timeline .year { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px dashed var(--gray-300); }
.timeline .year:last-child { border-bottom: 0; }
.timeline .year > b { font-size: 22px; font-weight: 800; }
.timeline .year li { position: relative; padding-left: 14px; color: var(--gray-700); line-height: 1.8; }
.timeline .year li::before { content: ''; position: absolute; left: 0; top: .8em; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }

/* Quote (CEO) */
.quote { font-size: clamp(24px, 2.8vw, 36px); font-weight: 700; line-height: 1.5; letter-spacing: -.01em; }
.quote::before { content: '“'; display: block; font-size: 80px; line-height: .6; color: var(--green); margin-bottom: 20px; }
.signature { margin-top: 40px; font-size: 18px; color: var(--gray-700); }
.signature strong { font-size: 24px; color: var(--gray-900); margin-left: 8px; }

/* News list */
.news-list > li { border-top: 1px solid var(--gray-300); }
.news-list > li:last-child { border-bottom: 1px solid var(--gray-300); }
.news-list a { display: grid; grid-template-columns: 1fr 140px; gap: 30px; padding: 32px 10px; transition: background .2s; }
.news-list a:hover { background: var(--gray-100); }
.news-list .tit { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.news-list .txt { font-size: 15px; color: var(--gray-700); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list .date { font-size: 15px; color: var(--gray-500); text-align: right; }

/* Banner links (페이지 하단 공통 배너) */
.banner-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.banner-links a {
  position: relative; height: 220px; border-radius: var(--radius); overflow: hidden;
  display: flex; align-items: flex-end; justify-content: space-between; padding: 30px;
  color: var(--white); font-size: 22px; font-weight: 700;
}
.banner-links a .bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .6s var(--ease); }
.banner-links a::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, .65)); z-index: 1; }
.banner-links a span, .banner-links a i { position: relative; z-index: 2; }
.banner-links a i { font-style: normal; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .6); display: grid; place-items: center; transition: all .3s; }
.banner-links a:hover .bg { transform: scale(1.08); }
.banner-links a:hover i { background: var(--white); color: var(--green); }

/* CTA box */
.cta-box {
  position: relative; border-radius: var(--radius); overflow: hidden; padding: 70px 60px; color: var(--white);
  background: linear-gradient(120deg, #00563a, var(--green) 60%, #35a64f);
  display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap;
}
.cta-box h3 { font-size: 30px; font-weight: 800; }
.cta-box p { margin-top: 8px; opacity: .85; }

/* Tabs */
.tab-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.tab-btns button { padding: 12px 24px; border-radius: 30px; border: 1px solid var(--gray-300); font-weight: 600; font-size: 15px; transition: all .2s; }
.tab-btns button:hover { border-color: var(--gray-900); }
.tab-btns button.active { background: var(--gray-900); border-color: var(--gray-900); color: var(--white); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .5s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* Reveal */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; } .reveal.d3 { transition-delay: .3s; }

/* ---------------- Footer ---------------- */
.footer { background: #0d0f0e; color: rgba(255, 255, 255, .7); font-size: 14px; }
.footer .top { padding: 80px 0 50px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer .sitemap { display: grid; grid-template-columns: repeat(6, 1fr); gap: 30px; }
.footer .sitemap h5 { font-size: 16px; color: var(--white); margin-bottom: 18px; font-weight: 700; }
.footer .sitemap li { margin-bottom: 10px; }
.footer .sitemap a:hover { color: var(--white); }
.footer .bot { padding: 40px 0 50px; display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer .f-logo { width: 130px; height: 38px; background: url(../images/common/footer_logo.svg) no-repeat left center / contain; margin-bottom: 20px; }
.footer .f-links { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 12px; }
.footer .f-links strong { color: var(--white); }
.footer .f-right { display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.footer .f-right .btn-wrap .btn { padding: 10px 22px; font-size: 14px; border-color: rgba(255, 255, 255, .25); color: var(--white); }
.footer select {
  background: transparent; border: 1px solid rgba(255, 255, 255, .25); color: var(--white);
  padding: 10px 16px; border-radius: 30px; font: inherit; min-width: 200px;
}
.footer select option { color: var(--black); }

.top-btn {
  position: fixed; right: 30px; bottom: 30px; width: 54px; height: 54px; border-radius: 50%;
  background: var(--green); color: var(--white); font-size: 20px; z-index: 90;
  box-shadow: 0 8px 24px rgba(0, 132, 74, .35); opacity: 0; visibility: hidden; transition: all .3s;
}
.top-btn.show { opacity: 1; visibility: visible; }
.top-btn:hover { transform: translateY(-4px); }

/* ---------------- Responsive ---------------- */
@media (max-width: 1200px) {
  .gnb > li > a { padding: 0 12px; font-size: 16px; }
  .grid-4, .stats { grid-template-columns: repeat(2, 1fr); }
  .footer .sitemap { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  :root { --header-h: 70px; }
  .gnb, .header-util .btn-recruit { display: none; }
  .btn-burger { display: block; }
  .header .inner, .container { padding: 0 24px; }
  .section { padding: 90px 0; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse > :first-child { order: 0; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .timeline .era { grid-template-columns: 1fr; gap: 24px; }
  .timeline .era-title { position: static; }
  .banner-links { grid-template-columns: 1fr; }
  .banner-links a { height: 160px; }
}
@media (max-width: 768px) {
  .pc-only { display: none; }
  .m-only { display: inline; }
  .sub-hero { height: 440px; }
  .sub-hero .container { padding-bottom: 48px; }
  .sub-hero .desc { font-size: 16px; }
  .section { padding: 70px 0; }
  .sec-head { margin-bottom: 36px; }
  .sec-desc, .text { font-size: 16px; }
  .grid-2, .grid-3, .grid-4, .stats { grid-template-columns: 1fr; }
  .card { padding: 30px 26px; }
  .feature-list > li { grid-template-columns: 1fr; gap: 8px; }
  .news-list a { grid-template-columns: 1fr; gap: 10px; }
  .news-list .date { text-align: left; }
  .cta-box { padding: 44px 28px; }
  .footer .sitemap { grid-template-columns: repeat(2, 1fr); }
  .footer .f-right { align-items: flex-start; }
  .timeline .year { grid-template-columns: 1fr; gap: 6px; }
  .top-btn { right: 18px; bottom: 18px; width: 46px; height: 46px; }
}