/* ============================================================
   大旋国际 DAXUAN INTERNATIONAL — 官网样式
   ============================================================ */

:root {
  --navy-900: #071527;
  --navy-800: #0A1F3C;
  --navy-700: #102E52;
  --navy-600: #17406E;
  --accent: #F26522;
  --accent-dark: #D95518;
  --ink: #0E1A2B;
  --body: #45566B;
  --muted: #7C8A9C;
  --line: #E4E9F0;
  --soft: #F6F8FB;
  --white: #ffffff;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(10, 31, 60, .06);
  --shadow: 0 12px 32px rgba(10, 31, 60, .10);
  --shadow-lg: 0 24px 60px rgba(10, 31, 60, .16);
  --container: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  color: var(--body);
  background: var(--white);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--accent); color: #fff; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  color: var(--ink);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -.01em;
}

.display {
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
}

.h2 { font-size: clamp(26px, 3.2vw, 40px); letter-spacing: -.015em; }
.h3 { font-size: 20px; }
.lead { font-size: 17px; color: var(--body); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.eyebrow.on-dark { color: #FF8A54; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .3s var(--ease), background .3s, box-shadow .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn svg { transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 26px rgba(242, 101, 34, .32);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 14px 34px rgba(242, 101, 34, .38); }

.btn-ghost {
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border-color: rgba(255, 255, 255, .32);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .6); }

.btn-outline {
  background: transparent;
  color: var(--navy-800);
  border-color: #CBD5E1;
}
.btn-outline:hover { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }

.btn-sm { height: 44px; padding: 0 22px; font-size: 14px; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background .35s var(--ease), box-shadow .35s, height .35s;
}
.header::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7, 21, 39, .55), rgba(7, 21, 39, 0));
  opacity: 1;
  transition: opacity .35s;
  pointer-events: none;
}
.header.solid {
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 28px rgba(10, 31, 60, .06);
  height: 68px;
}
.header.solid::after { opacity: 0; }

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 2;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-cn {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .06em;
  color: #fff;
  transition: color .35s;
}
.brand-en {
  font-size: 9.5px;
  letter-spacing: .22em;
  color: rgba(255, 255, 255, .62);
  transition: color .35s;
  margin-top: 3px;
}
.header.solid .brand-cn { color: var(--navy-800); }
.header.solid .brand-en { color: var(--muted); }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, .88);
  border-radius: 8px;
  transition: color .25s, background .25s;
}
.nav a:hover { color: #fff; }
.nav a.active { color: #fff; }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.header.solid .nav a { color: var(--body); }
.header.solid .nav a:hover { color: var(--navy-800); background: var(--soft); }
.header.solid .nav a.active { color: var(--navy-800); font-weight: 600; }

.header-cta { display: flex; align-items: center; gap: 12px; }
.header-cta .btn { height: 44px; padding: 0 22px; font-size: 14px; }

.burger {
  display: none;
  width: 44px; height: 44px;
  border: 0; background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 3;
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  margin: 5px auto;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s, background .3s;
}
.header.solid .burger span, .burger.open span { background: var(--navy-800); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--white);
  padding: calc(var(--header-h) + 24px) 28px 40px;
  transform: translateY(-100%);
  transition: transform .45s var(--ease);
  overflow-y: auto;
}
.drawer.open { transform: translateY(0); }
.drawer a {
  display: block;
  padding: 18px 4px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.drawer .btn { width: 100%; margin-top: 28px; }
.drawer .drawer-meta { margin-top: 28px; font-size: 13px; color: var(--muted); line-height: 2; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 0;
  background: var(--navy-900);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url("../img/hero.jpg") center 40% / cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 22s ease-out forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(7, 21, 39, .94) 0%, rgba(7, 21, 39, .82) 46%, rgba(7, 21, 39, .42) 100%),
    radial-gradient(900px 420px at 82% 18%, rgba(242, 101, 34, .16), transparent 70%);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; }

.hero-inner { max-width: 760px; padding-bottom: 72px; }
.hero h1 { color: #fff; margin: 22px 0 0; }
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}
.hero-sub {
  margin-top: 26px;
  font-size: 18px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .78);
  max-width: 620px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.hero-tags span {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .9);
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 999px;
  padding: 7px 16px;
  background: rgba(255, 255, 255, .06);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero-stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, .1);
  background: var(--navy-900);
}
.hero-stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 28px;
  padding-bottom: 28px;
}
.stat { text-align: left; padding-left: 20px; border-left: 2px solid rgba(242, 101, 34, .5); }
.stat-num {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.02em;
}
.stat-num span:last-child { font-size: 15px; font-weight: 500; margin-left: 6px; color: rgba(255, 255, 255, .7); }
.stat-label { font-size: 13px; color: rgba(255, 255, 255, .62); margin-top: 8px; letter-spacing: .04em; }

/* ---------- Section ---------- */
.section { padding: 104px 0; }
.section.soft { background: var(--soft); }
.section.dark { background: var(--navy-800); }
.section.tight { padding: 76px 0; }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head h2 { margin: 16px 0 0; }
.section-head p { margin-top: 18px; font-size: 16.5px; }
.section-head.split {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
  max-width: none;
}

.on-dark h2, .on-dark h3 { color: #fff; }
.on-dark p { color: rgba(255, 255, 255, .72); }

/* ---------- Service cards ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.svc-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  color: #fff;
  isolation: isolate;
  transition: transform .45s var(--ease), box-shadow .45s;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.svc-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7, 21, 39, .12) 0%, rgba(7, 21, 39, .55) 45%, rgba(7, 21, 39, .92) 100%);
  z-index: 1;
  transition: opacity .45s;
}
.svc-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform .8s var(--ease);
}
.svc-card:hover img { transform: scale(1.06); }
.svc-card > * { position: relative; z-index: 2; }
.svc-idx {
  position: absolute;
  top: 24px; right: 26px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .55);
}
.svc-name { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: -.01em; }
.svc-desc { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, .74); margin-top: 10px; }
.svc-more {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 18px;
  font-size: 13.5px; font-weight: 600;
  color: var(--accent);
  opacity: 0; transform: translateY(6px);
  transition: opacity .35s, transform .35s;
}
.svc-card:hover .svc-more { opacity: 1; transform: none; }

/* ---------- Split / about ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.split-media.tall img { aspect-ratio: 3 / 4; }
.split-badge {
  position: absolute;
  left: 22px; bottom: 22px;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
}
.split-badge strong { display: block; font-size: 22px; color: var(--navy-800); line-height: 1.2; }
.split-badge span { font-size: 12.5px; color: var(--muted); }

.prose p { margin-bottom: 18px; font-size: 16px; line-height: 1.9; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: 600; }

.check-list { display: grid; gap: 14px; margin-top: 26px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
}
.check-list li::before {
  content: "";
  flex: none;
  width: 20px; height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  background: rgba(242, 101, 34, .12) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F26522' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* ---------- Advantages (dark band) ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.adv {
  background: var(--navy-800);
  padding: 38px 32px 40px;
  transition: background .4s;
}
.adv:hover { background: var(--navy-700); }
.adv-n {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--accent);
}
.adv h3 { color: #fff; font-size: 19px; margin: 14px 0 10px; }
.adv p { font-size: 14.5px; line-height: 1.75; color: rgba(255, 255, 255, .66); }

/* ---------- Coverage ---------- */
.cover-band {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 64px 56px;
  isolation: isolate;
  background: var(--navy-900);
}
.cover-band img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: .55;
}
.cover-band::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7, 21, 39, .92), rgba(7, 21, 39, .55));
  z-index: 1;
}
.cover-band > * { position: relative; z-index: 2; }
.region-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.region {
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  padding: 22px;
  background: rgba(255, 255, 255, .05);
  transition: background .35s, border-color .35s, transform .35s;
}
.region:hover { background: rgba(255, 255, 255, .1); border-color: rgba(242, 101, 34, .5); transform: translateY(-3px); }
.region h4 { color: #fff; font-size: 17px; margin-bottom: 10px; }
.region p { font-size: 13.5px; line-height: 1.75; color: rgba(255, 255, 255, .68); }

/* ---------- Cases ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.case-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.case-card:hover .case-thumb img { transform: scale(1.05); }
.case-tag {
  position: absolute; left: 16px; top: 16px;
  font-size: 12px; font-weight: 600;
  color: #fff;
  background: rgba(7, 21, 39, .72);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  padding: 5px 13px;
  letter-spacing: .05em;
}
.case-body { padding: 26px 26px 30px; }
.case-body h3 { font-size: 18px; }
.case-body p { font-size: 14.5px; line-height: 1.8; margin-top: 12px; color: var(--body); }
.case-route {
  display: flex; align-items: center; gap: 8px;
  margin-top: 18px; font-size: 13px; color: var(--muted);
}
.case-route b { color: var(--navy-800); font-weight: 600; }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.news-thumb { aspect-ratio: 16 / 9; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); }
.news-cat {
  color: var(--accent);
  font-weight: 600;
  background: rgba(242, 101, 34, .1);
  border-radius: 5px;
  padding: 3px 9px;
  font-size: 12px;
}
.news-body h3 { font-size: 17px; line-height: 1.55; margin: 14px 0 10px; transition: color .3s; }
.news-card:hover h3 { color: var(--navy-600); }
.news-body p { font-size: 14px; line-height: 1.75; color: var(--body); }
.news-more { margin-top: 18px; font-size: 13.5px; font-weight: 600; color: var(--navy-800); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  background: var(--navy-800);
  overflow: hidden;
  padding: 84px 0;
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -140px; top: -120px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 101, 34, .22), transparent 65%);
}
.cta-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
.cta-inner h2 { color: #fff; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.015em; }
.cta-inner p { color: rgba(255, 255, 255, .7); margin-top: 14px; font-size: 16px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 92px) 0 84px;
  background: var(--navy-900);
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 22%;
  opacity: .42;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 21, 39, .92) 0%, rgba(7, 21, 39, .35) 42%, rgba(7, 21, 39, .55) 100%),
    linear-gradient(100deg, rgba(7, 21, 39, .9), rgba(7, 21, 39, .48));
}
.page-hero .container { position: relative; z-index: 2; }
.crumb { font-size: 13px; color: rgba(255, 255, 255, .55); margin-bottom: 18px; letter-spacing: .04em; }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 10px; opacity: .5; }
.page-hero h1 { color: #fff; font-size: clamp(30px, 4vw, 46px); letter-spacing: -.02em; }
.page-hero p { color: rgba(255, 255, 255, .72); margin-top: 18px; max-width: 620px; font-size: 16.5px; }

/* ---------- Service detail blocks ---------- */
.svc-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}
.svc-block:last-child { border-bottom: 0; }
.svc-block.reverse .svc-block-media { order: 2; }
.svc-block-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.svc-block-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.svc-kicker {
  display: inline-flex;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 14px;
}
.svc-block h2 { font-size: clamp(24px, 2.6vw, 32px); }
.svc-block .lead { margin-top: 16px; font-size: 16px; }
.svc-points { display: grid; gap: 12px; margin-top: 24px; }
.svc-points li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 15px; line-height: 1.7;
}
.svc-points li i {
  flex: none;
  width: 6px; height: 6px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.svc-points li b { color: var(--ink); font-weight: 600; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 640px; background: #fff; }
thead th {
  background: var(--navy-800);
  color: #fff;
  text-align: left;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .03em;
  white-space: nowrap;
}
tbody td { padding: 16px 20px; border-top: 1px solid var(--line); color: var(--body); vertical-align: top; }
tbody tr:hover td { background: var(--soft); }
tbody td:first-child { color: var(--ink); font-weight: 600; white-space: nowrap; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; counter-reset: step; }
.step {
  position: relative;
  padding: 26px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .35s, transform .35s;
}
.step:hover { border-color: var(--accent); transform: translateY(-4px); }
.step::after {
  content: "";
  position: absolute;
  right: -10px; top: 50%;
  width: 6px; height: 6px;
  border-right: 1.5px solid #CBD5E1;
  border-top: 1.5px solid #CBD5E1;
  transform: rotate(45deg);
  margin-top: -3px;
}
.step:last-child::after { display: none; }
.step-n {
  font-size: 12px; font-weight: 700; letter-spacing: .12em;
  color: var(--accent);
}
.step h4 { font-size: 16px; margin: 10px 0 8px; }
.step p { font-size: 13px; line-height: 1.7; color: var(--muted); }

/* ---------- Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.team-item {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .35s, transform .35s, box-shadow .35s;
}
.team-item:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-4px); }
.team-item .n { font-size: 12px; font-weight: 700; color: var(--accent); letter-spacing: .12em; }
.team-item h4 { font-size: 16px; margin: 10px 0 8px; }
.team-item p { font-size: 13px; line-height: 1.7; color: var(--muted); }

/* ---------- Quote ---------- */
.quote-band {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: center;
  padding: 56px;
  isolation: isolate;
}
.quote-band img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.quote-band::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7, 21, 39, .93), rgba(7, 21, 39, .62));
  z-index: 1;
}
.quote-band .inner { position: relative; z-index: 2; max-width: 640px; }
.quote-band blockquote {
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.55;
  color: #fff;
  font-weight: 600;
  letter-spacing: -.01em;
}
.quote-band cite {
  display: block;
  margin-top: 22px;
  font-style: normal;
  font-size: 14px;
  color: rgba(255, 255, 255, .62);
  letter-spacing: .04em;
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.info-cards { display: grid; gap: 14px; }
.info-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  align-items: flex-start;
  transition: border-color .3s, box-shadow .3s;
}
.info-card:hover { border-color: #CBD5E1; box-shadow: var(--shadow-sm); }
.info-icon {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(242, 101, 34, .1);
  display: grid; place-items: center;
  color: var(--accent);
}
.info-card h4 { font-size: 14px; color: var(--muted); font-weight: 500; letter-spacing: .04em; }
.info-card .val { font-size: 16.5px; color: var(--ink); font-weight: 600; margin-top: 6px; word-break: break-all; }
.info-card .hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

.tbd {
  display: inline-block;
  color: #9AA6B5;
  font-weight: 500;
  border-bottom: 1px dashed #C3CCD8;
  padding-bottom: 1px;
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-card h3 { font-size: 22px; }
.form-card > p { font-size: 14px; color: var(--muted); margin-top: 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.field label em { color: var(--accent); font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%;
  height: 50px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--soft);
  font-size: 15px;
  transition: border-color .25s, background .25s, box-shadow .25s;
  outline: none;
}
.field textarea { height: auto; min-height: 118px; padding: 14px 16px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(242, 101, 34, .12);
}
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 16px; line-height: 1.7; }
.form-actions { margin-top: 24px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-ok {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  background: rgba(16, 132, 92, .08);
  color: #0B6B4B;
  font-size: 14px;
  border: 1px solid rgba(16, 132, 92, .18);
}
.form-ok.show { display: block; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-900); color: rgba(255, 255, 255, .62); padding: 72px 0 0; }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer .brand-cn { color: #fff; }
.footer .brand-en { color: rgba(255, 255, 255, .5); }
.footer-desc { font-size: 14px; line-height: 1.85; margin-top: 22px; max-width: 320px; color: rgba(255, 255, 255, .56); }
.footer h5 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .1em;
  margin-bottom: 20px;
}
.footer-links { display: grid; gap: 12px; }
.footer-links a { font-size: 14px; transition: color .25s; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { display: grid; gap: 12px; font-size: 14px; }
.footer-contact span { color: rgba(255, 255, 255, .45); font-size: 12.5px; display: block; margin-bottom: 2px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 26px 0 30px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .4);
  flex-wrap: wrap;
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 0;
  background: var(--navy-800);
  color: #fff;
  display: grid; place-items: center;
  cursor: pointer;
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s, background .3s;
  z-index: 90;
  box-shadow: var(--shadow);
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--accent); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
.reveal.d5 { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-bg { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .container { padding: 0 22px; }
  .nav { gap: 0; }
  .nav a { padding: 10px 12px; font-size: 14.5px; }
  .split, .svc-block { gap: 40px; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step:nth-child(3n)::after { display: none; }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .nav, .header-cta .btn { display: none; }
  .burger { display: block; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 70px); }
  .hero-inner { padding-bottom: 56px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
  .svg-grid, .svc-grid, .case-grid, .news-grid { grid-template-columns: 1fr 1fr; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .svc-block { grid-template-columns: 1fr; gap: 28px; padding: 44px 0; }
  .svc-block.reverse .svc-block-media { order: 0; }
  .section { padding: 72px 0; }
  .cover-band { padding: 44px 30px; }
  .region-grid { grid-template-columns: 1fr 1fr; margin-top: 28px; }
  .cta-inner { grid-template-columns: 1fr; gap: 28px; }
  .quote-band { padding: 36px; min-height: 260px; }
  .section-head.split { grid-template-columns: 1fr; gap: 22px; align-items: start; }
  .form-card { padding: 28px; }
  .page-hero { padding: calc(var(--header-h) + 64px) 0 60px; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .svc-grid, .case-grid, .news-grid, .adv-grid, .region-grid, .team-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step::after { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .svc-card { min-height: 260px; padding: 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .section { padding: 60px 0; }
  .stat-num { font-size: 28px; }
  .display { font-size: 34px; }
  .to-top { right: 16px; bottom: 16px; }
}