:root {
  --ink: #333;
  --muted: #777;
  --orange: #e88b3a;
  --orange-deep: #d9782a;
  --teal-1: #35a0b8;
  --teal-2: #7ec9d3;
  --line: #e9e9e9;
  --bg: #f7f8fa;
  --dark: #23272e;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", -apple-system, "Segoe UI", Arial, sans-serif; color: var(--ink); background: #fff; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

/* topbar */
.topbar { background: #2b2b2b; color: #ccc; font-size: 12px; }
.topbar .wrap { display: flex; justify-content: flex-end; gap: 22px; padding: 5px 0; }
.topbar span::before { content: "☎ "; color: var(--orange); }

/* header */
.header { position: sticky; top: 0; z-index: 20; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.06); }
.nav { height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 54px; height: 54px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text .cn { font-weight: 700; font-size: 21px; color: #333; }
.brand-text .en { font-size: 10px; color: #999; letter-spacing: .04em; text-transform: uppercase; }
.brand-slogan { margin-left: 14px; padding-left: 16px; border-left: 1px solid var(--line); color: var(--orange); font-size: 14px; white-space: nowrap; }
.navlinks { display: flex; gap: 2px; font-size: 15px; }
.navlinks a { position: relative; padding: 10px 15px; color: #333; transition: color .18s; }
.navlinks a::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 0; height: 2px; background: var(--orange); transition: width .2s, left .2s; }
.navlinks a:hover, .navlinks a.active { color: var(--orange); }
.navlinks a:hover::after, .navlinks a.active::after { left: 15px; width: calc(100% - 30px); }

/* hero banner (clean, like original) */
.hero { position: relative; min-height: 460px; background: url("../img/banner01.jpg") center/cover no-repeat; overflow: hidden; }
.hero-slide { position: absolute; inset: 0; background-position: center; background-size: cover; background-repeat: no-repeat; opacity: 0; transition: opacity .6s ease; }
.hero-slide.is-on { opacity: 1; }
.hero-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 40px; height: 40px; border: none; border-radius: 50%; background: rgba(0,0,0,.28); color: #fff; font-size: 18px; line-height: 40px; cursor: pointer; transition: background .2s; }
.hero-arrow:hover { background: rgba(232,139,58,.85); }
.hero-prev { left: 18px; }
.hero-next { right: 18px; }
.hero-dots { position: absolute; left: 0; right: 0; bottom: 18px; z-index: 5; display: flex; justify-content: center; gap: 10px; }
.hero-dots button { width: 10px; height: 10px; padding: 0; border: none; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; transition: background .2s, transform .2s; }
.hero-dots button.on { background: #e88b3a; transform: scale(1.2); }
@media (prefers-reduced-motion: reduce) { .hero-slide { transition: none; } }
.hero .wrap { position: absolute; left: 50%; transform: translateX(-50%); bottom: 0; }
.hero h1 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); margin: 0; }
.hero p, .hero-actions { display: none; }
.hero.small { min-height: 300px; background: url("../img/banner01400.jpg") center/cover no-repeat; display: flex; align-items: center; }
.hero.small .wrap { position: static; transform: none; }
.hero.small h1 { position: static; width: auto; height: auto; clip: auto; overflow: visible; color: #fff; font-size: clamp(30px, 4vw, 44px); margin: 0 0 8px; text-shadow: 0 2px 14px rgba(0,20,40,.5); }
.hero.small p { display: block; color: rgba(255,255,255,.92); max-width: 640px; margin: 0; font-size: 16px; text-shadow: 0 1px 10px rgba(0,20,40,.5); }

/* service icon rows */
.svcicons { padding: 58px 0 46px; }
.svcicons .list { display: flex; flex-wrap: wrap; justify-content: center; gap: 26px 8px; }
.svcicon { width: 128px; text-align: center; }
.svcicon .ring { width: 66px; height: 66px; margin: 0 auto 10px; border: 1px solid var(--orange); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--orange); transition: background .2s, color .2s, transform .2s; }
.svcicon .ring svg { width: 30px; height: 30px; }
.svcicon:hover .ring { background: var(--orange); color: #fff; transform: translateY(-4px); }
.svcicon span { font-size: 14px; color: #444; }

/* photo showcase - coverflow carousel */
.showcase { padding: 6px 0 64px; }
.coverflow { position: relative; height: 420px; }
.cf-item { position: absolute; left: 50%; top: 50%; width: 56%; height: 380px; margin: -190px 0 0 -28%; cursor: pointer; transition: transform .5s ease, opacity .5s ease; will-change: transform; }
.cf-item img { width: 100%; height: 100%; object-fit: cover; }
.cf-item.is-center { box-shadow: 0 18px 44px rgba(0,0,0,.28); cursor: default; }
.cf-item.is-side { filter: brightness(.75); }
.cf-item.is-back { filter: brightness(.6); }
.cf-dots { display: flex; justify-content: center; gap: 10px; margin-top: 26px; }
.cf-dot { width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--orange); background: transparent; padding: 0; cursor: pointer; transition: background .2s, transform .2s; }
.cf-dot.on { background: var(--orange); transform: scale(1.25); }


/* teal band */
.band { background: linear-gradient(100deg, var(--teal-1), var(--teal-2)); color: #fff; }
.band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 44px 0; flex-wrap: wrap; }
.band h2 { margin: 0 0 6px; font-size: 26px; font-weight: 600; }
.band .en { font-size: 12px; color: rgba(255,255,255,.85); letter-spacing: .02em; }
.band .tag { display: inline-block; margin-top: 14px; padding: 7px 22px; border: 1px solid rgba(255,255,255,.8); font-size: 14px; }
.band .hotline { text-align: right; }
.band .hotline .lbl { font-size: 14px; color: rgba(255,255,255,.9); }
.band .hotline .lbl::before { content: "☎ "; }
.band .hotline strong { display: block; font-size: 30px; letter-spacing: .03em; margin: 4px 0 12px; }
.band .hotline .btn-line { display: inline-block; padding: 7px 26px; border: 1px solid rgba(255,255,255,.85); font-size: 14px; transition: background .2s, color .2s; }
.band .hotline .btn-line:hover { background: #fff; color: var(--teal-1); }

/* section heading (centered, like original) */
.section { padding: 64px 0; }
.section.alt { background: var(--bg); }
.sechead { text-align: center; margin-bottom: 44px; }
.sechead .en { color: #888; font-size: 14px; }
.sechead h2 { margin: 2px 0 0; font-size: 26px; font-weight: 600; display: inline-block; padding-bottom: 12px; position: relative; }
.sechead h2::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0; width: 36px; height: 3px; background: var(--orange); }

/* advantage columns */
.adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.adv-item { text-align: center; padding: 0 8px; }
.adv-item .bigring { width: 88px; height: 88px; margin: 0 auto 16px; border: 1px solid var(--orange); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--orange); transition: background .2s, color .2s; }
.adv-item .bigring svg { width: 42px; height: 42px; }
.adv-item:hover .bigring { background: var(--orange); color: #fff; }
.adv-item h3 { margin: 0 0 8px; font-size: 17px; }
.adv-item .pill { display: inline-block; background: #f0f1f3; color: #999; border-radius: 999px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; padding: 3px 14px; margin-bottom: 10px; }
.adv-item p { margin: 0; color: var(--muted); font-size: 14px; }

/* mosaic about */
.mosaic { display: grid; grid-template-columns: 1fr 1.6fr 1fr; grid-auto-rows: 200px; gap: 12px; }
.mosaic .cell { overflow: hidden; }
.mosaic img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.mosaic .cell:hover img { transform: scale(1.05); }
.mosaic .tall { grid-row: span 2; }
.mosaic .block { display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; gap: 6px; transition: filter .2s; }
.mosaic .block:hover { filter: brightness(1.08); }
.mosaic .block strong { font-size: 20px; font-weight: 600; }
.mosaic .block span { font-size: 12px; opacity: .85; letter-spacing: .05em; }
.mosaic .block.red { background: #e05a4e; }
.mosaic .block.orange { background: var(--orange); }

/* news two-column */
.newsgrid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 34px; align-items: start; }
.colhead { display: flex; align-items: baseline; gap: 10px; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 6px; }
.colhead::before { content: ""; width: 10px; height: 10px; background: var(--orange); align-self: center; }
.colhead h3 { margin: 0; font-size: 19px; }
.colhead .en { color: #999; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.colhead .more { margin-left: auto; color: #999; font-size: 13px; }
.colhead .more:hover { color: var(--orange); }
.news-list { display: grid; }
.news-item { display: grid; grid-template-columns: 86px 1fr; gap: 18px; align-items: center; padding: 18px 6px; border-bottom: 1px dashed var(--line); transition: background .18s; }
.news-item:hover { background: #fffaf4; }
.news-item:hover h3 { color: var(--orange); }
.news-item h3 { margin: 0 0 2px; font-size: 16px; font-weight: 600; transition: color .18s; }
.news-item p { margin: 0; color: var(--muted); font-size: 13.5px; }
.date { color: #999; font-size: 13px; text-align: center; border: 1px solid var(--line); padding: 8px 4px; line-height: 1.4; }
.date b { display: block; font-size: 20px; color: #555; font-weight: 600; }
.notice { border: 1px solid var(--line); padding: 6px 18px 14px; }
.notice .news-item { grid-template-columns: 1fr; padding: 14px 2px; }

/* generic cards (subpages) */
.grid { display: grid; gap: 20px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); padding: 26px 24px; transition: box-shadow .2s, transform .2s, border-color .2s; }
.card:hover { box-shadow: 0 12px 30px rgba(0,0,0,.08); transform: translateY(-4px); border-color: #f0d9c0; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.card .icon { display: inline-flex; align-items: center; justify-content: center; width: 54px; height: 54px; margin-bottom: 14px; border: 1px solid var(--orange); border-radius: 50%; color: var(--orange); }
.card .icon svg { width: 26px; height: 26px; }
.card:hover .icon { background: var(--orange); color: #fff; }

/* section text/kicker for subpages */
.section-kicker { color: #999; font-size: 14px; }
.section-title { margin: 2px 0 14px; font-size: 26px; font-weight: 600; padding-bottom: 12px; position: relative; }
.section-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 36px; height: 3px; background: var(--orange); }
.section-lead { color: var(--muted); max-width: 760px; margin: 0 0 34px; }

.feature { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.photo-grid img, .case-img { aspect-ratio: 4 / 3; object-fit: cover; }
.service-list { display: grid; }
.service-item { display: flex; gap: 16px; padding: 16px 4px; border-bottom: 1px dashed var(--line); }
.service-item h3 { margin: 0 0 4px; font-size: 16.5px; }
.service-item p { margin: 0; color: var(--muted); font-size: 14.5px; }
.num { color: var(--orange); font-weight: 700; min-width: 40px; font-size: 19px; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 26px; font-weight: 600; border: 1px solid transparent; font-size: 15px; transition: background .2s, color .2s, border-color .2s; }
.btn.primary { background: var(--orange); color: #fff; }
.btn.primary:hover { background: var(--orange-deep); }
.btn.ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn.ghost:hover { background: rgba(255,255,255,.15); }

/* article */
.article { max-width: 860px; }
.article h2 { font-size: 28px; line-height: 1.35; margin: 0 0 10px; }
.article-meta { color: var(--muted); margin-bottom: 26px; }
.article table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.article th { background: var(--bg); }
.article th, .article td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }

/* contact */
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.contact-box { background: linear-gradient(120deg, var(--teal-1), var(--teal-2)); color: #fff; padding: 34px; }
.contact-box h3 { margin-top: 0; }
.contact-box p { color: rgba(255,255,255,.92); }
.map-placeholder { min-height: 280px; background: var(--bg); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; color: #667; text-align: center; padding: 20px; }

/* footer */
.footer { background: var(--dark); color: #9aa1ab; }
.footgrid { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr; gap: 40px; padding: 46px 0 36px; }
.footbrand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; font-size: 17px; margin-bottom: 10px; }
.footbrand img { width: 32px; height: 32px; }
.footcol h4 { color: #fff; font-size: 15px; margin: 0 0 12px; font-weight: 600; }
.footcol p { margin: 0 0 7px; font-size: 14px; }
.footcol a { display: block; padding: 3px 0; font-size: 14px; transition: color .18s; }
.footcol a:hover { color: var(--orange); }
.footbottom { border-top: 1px solid rgba(255,255,255,.08); }
.footbottom .wrap { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 14px 0; font-size: 13px; color: #7d858f; }
.footbottom a:hover { color: var(--orange); }

@media (max-width: 900px) {
  .wrap { width: min(100% - 28px, 1180px); }
  .topbar .wrap { justify-content: flex-start; flex-wrap: wrap; gap: 6px 16px; }
  .nav { height: auto; padding: 12px 0; flex-direction: column; align-items: flex-start; gap: 8px; }
  .brand-slogan { display: none; }
  .navlinks { flex-wrap: wrap; }
  .hero { min-height: 240px; }
  .hero.small { min-height: 220px; }
  .svcicon { width: 96px; }
  .coverflow { height: 240px; }
  .cf-item { height: 220px; margin-top: -110px; width: 78%; margin-left: -39%; }
  .band .wrap { flex-direction: column; align-items: flex-start; }
  .band .hotline { text-align: left; }
  .adv, .grid.cols-3, .grid.cols-4, .feature, .contact-panel, .newsgrid, .footgrid { grid-template-columns: 1fr; }
  .mosaic { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; }
  .mosaic .tall { grid-row: span 1; }
  .section { padding: 48px 0; }
}