/* ============================================================
   澜森 · 企业官网风格前台（对齐 yykj 版式结构重做）
   白顶栏 / 深色 Hero / 业务板块卡 / 编号解决方案 /
   在招项目 / 橙色里程碑 / 新闻 / 数据覆盖 / 深色页脚
   ============================================================ */
:root {
  --brand: #F25C05;
  --brand-2: #FF7A1F;
  --brand-d: #DD5203;
  --brand-soft: #FFF1E8;
  --ink: #17191E;
  --ink2: #3A3E46;
  --mut: #8A8F98;
  --line: #E8EAEE;
  --bg: #FFFFFF;
  --bg-alt: #F6F7F9;
  --dark: #14161B;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink); background: var(--bg); font-size: 15px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
.wrap { width: min(1200px, 92vw); margin: 0 auto; }

/* ---------------- 顶栏 ---------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); transition: box-shadow .25s;
}
.nav.scrolled { box-shadow: 0 6px 24px rgba(20, 22, 27, .07); }
.nav-in { width: min(1280px, 94vw); margin: 0 auto; height: 72px; display: flex; align-items: center; gap: 34px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.mk {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(242, 92, 5, .28);
}
.mk svg { width: 21px; height: 21px; fill: none; stroke: #fff; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.bt { display: flex; flex-direction: column; line-height: 1.15; }
.bt b { font-size: 16.5px; letter-spacing: .02em; }
.bt i { font-style: normal; font-size: 9px; letter-spacing: .28em; color: var(--mut); }

.menu { display: flex; gap: 4px; margin-left: auto; }
.menu > a { position: relative; padding: 8px 15px; font-size: 14.5px; color: var(--ink2); transition: color .2s; }
.menu > a:hover { color: var(--brand); }
.menu > a.on { color: var(--brand); font-weight: 600; }
.menu > a.on::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 0;
  height: 2px; border-radius: 2px; background: var(--brand);
}

.nav-act { display: flex; gap: 10px; flex-shrink: 0; }
.btn-line, .btn-main, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 22px; border-radius: 8px; font-size: 14px; font-weight: 600;
  border: 1px solid transparent; transition: all .2s; white-space: nowrap;
}
.btn-line { border-color: var(--brand); color: var(--brand); background: transparent; }
.btn-line:hover { background: var(--brand-soft); }
.btn-main { background: var(--brand); color: #fff; border-color: var(--brand); box-shadow: 0 4px 14px rgba(242, 92, 5, .22); }
.btn-main:hover { background: var(--brand-d); transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255, 255, 255, .45); color: #fff; background: transparent; }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }

.burger {
  display: none; margin-left: auto; width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: 9px; background: #fff;
  align-items: center; justify-content: center;
}
.burger svg { width: 20px; height: 20px; fill: none; stroke: var(--ink); stroke-width: 1.8; stroke-linecap: round; }
.drawer { display: none; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; min-height: 640px; height: 88vh; max-height: 840px;
  display: flex; align-items: flex-end; overflow: hidden;
  background: linear-gradient(118deg, #23262E 0%, #191C24 44%, #101319 100%);
}
.hero-glow {
  position: absolute; right: -8%; top: -22%; width: 760px; height: 760px;
  background: radial-gradient(circle, rgba(242, 92, 5, .34), transparent 62%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: linear-gradient(to bottom, transparent 4%, #000 40%, transparent 94%);
  mask-image: linear-gradient(to bottom, transparent 4%, #000 40%, transparent 94%);
}
.hero-sky { position: absolute; left: 0; right: 0; bottom: 0; height: 46%; opacity: .55; }
.hero-in { position: relative; width: min(1280px, 94vw); margin: 0 auto; padding-bottom: 96px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 9px; margin-bottom: 26px;
  padding: 7px 16px; border-radius: 99px; border: 1px solid rgba(255, 255, 255, .22);
  color: rgba(255, 255, 255, .82); font-size: 12.5px; letter-spacing: .18em;
}
.hero-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-2); font-style: normal; }
.hero h1 {
  color: #fff; font-size: clamp(32px, 4.4vw, 56px); font-weight: 600;
  line-height: 1.3; letter-spacing: .05em; text-shadow: 0 4px 30px rgba(0, 0, 0, .35);
}
.hero h1 em { font-style: normal; color: var(--brand-2); }
.hero-slogan {
  margin-top: 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  color: rgba(255, 255, 255, .66); font-size: 14.5px; letter-spacing: .26em; font-weight: 500;
}
.hero-slogan::before {
  content: ""; width: 36px; height: 1px; flex-shrink: 0;
  background: linear-gradient(90deg, var(--brand-2), rgba(255, 138, 61, .1));
}
.hero-slogan em {
  font-style: normal; font-size: 10.5px; letter-spacing: .28em;
  color: rgba(255, 178, 126, .68); font-weight: 400;
}
.hero .lead { margin-top: 22px; max-width: 640px; color: rgba(255, 255, 255, .78); font-size: 16px; line-height: 1.9; }
.hero-act { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.hero-act .btn-main { padding: 13px 34px; font-size: 15px; }
.hero-act .btn-ghost { padding: 13px 30px; font-size: 15px; }
.hero-dots { position: absolute; right: 4vw; bottom: 100px; display: flex; gap: 9px; }
.hero-dots i { width: 26px; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .25); transition: .3s; }
.hero-dots i.on { width: 46px; background: var(--brand-2); }

/* ---------------- 通用区块 ---------------- */
.sec { padding: 96px 0; }
.sec.alt { background: var(--bg-alt); }
.sec-head { text-align: center; margin-bottom: 54px; }
.sec-kicker { display: inline-block; font-size: 12px; letter-spacing: .34em; color: var(--brand); font-weight: 700; margin-bottom: 14px; }
.sec-head h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 600; letter-spacing: .06em; }
.sec-head .sub { margin-top: 16px; color: var(--mut); font-size: 15px; line-height: 1.8; }

/* ---------------- 业务板块（白底横条卡） ---------------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc {
  display: flex; align-items: center; gap: 16px;
  background: #fff; border-radius: 14px; padding: 24px 22px;
  border: 1px solid transparent;
  box-shadow: 0 2px 6px rgba(23, 25, 30, .04), 0 10px 26px rgba(23, 25, 30, .05);
  transition: all .3s;
}
.svc:hover { transform: translateY(-4px); box-shadow: 0 6px 14px rgba(23, 25, 30, .07), 0 18px 40px rgba(242, 92, 5, .12); }
.svc-ico {
  position: relative; width: 58px; height: 58px; border-radius: 14px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.svc-ico svg { width: 27px; height: 27px; fill: none; stroke: #fff; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; position: relative; z-index: 1; }
.svc-ico::before {
  content: ""; position: absolute; inset: 0; border-radius: 14px;
  background: linear-gradient(135deg, #FF8A3D, #E84E00);
  opacity: .92;
}
.svc-ico::after {
  content: ""; position: absolute; right: -7px; bottom: -7px; width: 30px; height: 30px;
  border-radius: 9px; background: linear-gradient(135deg, #FFD9C2, #FFB28A);
  opacity: .8; z-index: 0;
}
.svc:nth-child(2) .svc-ico::before, .svc:nth-child(5) .svc-ico::before { background: linear-gradient(135deg, #F25C05, #B23A00); }
.svc:nth-child(3) .svc-ico::before, .svc:nth-child(6) .svc-ico::before { background: linear-gradient(135deg, #FF7A1F, #D94E00); }
.svc-tx { flex: 1; min-width: 0; }
.svc-tx h3 { display: flex; align-items: center; gap: 8px; font-size: 16.5px; font-weight: 600; letter-spacing: .02em; }
.svc-tx h3 .cnt {
  font-size: 10.5px; font-weight: 600; color: var(--brand);
  background: var(--brand-soft); padding: 2px 8px; border-radius: 99px; white-space: nowrap;
}
.svc-tx p { margin-top: 6px; color: var(--mut); font-size: 12.5px; line-height: 1.6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.svc-ar {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #C4C8CE; transition: all .25s;
}
.svc-ar svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.svc:hover .svc-ar { background: var(--brand-soft); color: var(--brand); }

/* ---------------- 解决方案（编号切换） ---------------- */
.sol { display: grid; grid-template-columns: 5fr 6fr; gap: 56px; align-items: stretch; }
.sol-tabs { display: flex; flex-direction: column; }
.sol-tab {
  text-align: left; background: none; border: 0; padding: 22px 4px;
  border-bottom: 1px solid var(--line); transition: all .25s; position: relative;
}
.sol-tab:first-child { border-top: 1px solid var(--line); }
.sol-tab .no { font-size: 13px; font-weight: 700; letter-spacing: .1em; color: #C4C8CE; transition: color .25s; }
.sol-tab h4 { margin-top: 6px; font-size: 18px; font-weight: 600; color: var(--ink2); transition: color .25s; }
.sol-tab p { margin-top: 8px; font-size: 13.5px; color: var(--mut); line-height: 1.75; max-height: 0; overflow: hidden; opacity: 0; transition: all .3s; }
.sol-tab.on .no { color: var(--brand); }
.sol-tab.on h4 { color: var(--ink); }
.sol-tab.on p { max-height: 130px; opacity: 1; }
.sol-tab.on::before { content: ""; position: absolute; left: -18px; top: 24px; bottom: 24px; width: 3px; border-radius: 3px; background: var(--brand); }
.sol-view {
  position: relative; border-radius: 16px; overflow: hidden; min-height: 460px;
  background: linear-gradient(140deg, #23262E, #101319);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.sol-view .pic-ico {
  position: absolute; top: 48px; left: 48px; width: 88px; height: 88px; border-radius: 22px;
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .16);
  display: flex; align-items: center; justify-content: center;
}
.sol-view .pic-ico svg { width: 42px; height: 42px; fill: none; stroke: var(--brand-2); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.sol-view .ring { position: absolute; right: -70px; top: -70px; width: 300px; height: 300px; border: 1.5px solid rgba(255, 255, 255, .12); border-radius: 50%; }
.sol-view .ring::after { content: ""; position: absolute; inset: 44px; border: 1.5px solid rgba(242, 92, 5, .35); border-radius: 50%; }
.sol-view .dots {
  position: absolute; left: 40px; top: 170px; right: 40px; bottom: 168px;
  background-image: radial-gradient(rgba(255, 255, 255, .14) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(115deg, #000 28%, transparent 78%);
  mask-image: linear-gradient(115deg, #000 28%, transparent 78%);
}
.sol-view .cap { position: relative; padding: 34px 44px; color: #fff; }
.sol-view .cap b { font-size: 20px; font-weight: 600; letter-spacing: .03em; }
.sol-view .cap p { margin-top: 10px; color: rgba(255, 255, 255, .68); font-size: 13.5px; line-height: 1.8; }
.sol-view .cap .ln { margin-top: 18px; display: inline-flex; align-items: center; gap: 7px; color: var(--brand-2); font-size: 13.5px; font-weight: 600; }
.sol-view .cap .ln svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------------- 在招项目（真实数据） ---------------- */
.filters { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 9px 20px; border-radius: 99px; font-size: 13.5px; transition: all .2s;
  border: 1px solid var(--line); background: #fff; color: var(--ink2);
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.sel { height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 9px; background: #fff; font-size: 13.5px; color: var(--ink2); outline: none; }
.sel:focus { border-color: var(--brand); }
.search { display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 9px; background: #fff; flex: 1; min-width: 190px; max-width: 290px; }
.search svg { width: 16px; height: 16px; fill: none; stroke: var(--mut); stroke-width: 2; stroke-linecap: round; flex-shrink: 0; }
.search input { border: 0; outline: none; font-size: 13.5px; width: 100%; background: transparent; color: var(--ink); }
.list-hint { color: var(--mut); font-size: 13px; margin-bottom: 28px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pcard {
  position: relative; display: flex; flex-direction: column; border-radius: 14px;
  background: #fff; border: 1px solid var(--line); padding: 24px 24px 20px;
  transition: all .3s; overflow: hidden;
}
.pcard::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(var(--brand), var(--brand-2)); opacity: 0; transition: .3s; }
.pcard:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(23, 25, 30, .09); border-color: transparent; }
.pcard:hover::before { opacity: 1; }
.pc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.ico { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 19px; font-weight: 700; color: #fff; }
.ico.gd { background: linear-gradient(135deg, #F25C05, #FF8A3D); }
.ico.on { background: linear-gradient(135deg, #23262E, #43495A); }
.ico.pt { background: linear-gradient(135deg, #4B5160, #23262E); }
.st { font-size: 11.5px; padding: 4px 12px; border-radius: 99px; font-weight: 600; }
.st-online { background: #EAF7EE; color: #1F9D55; }
.st-paused { background: #FFF4E5; color: #D97A00; }
.st-closed, .st-draft { background: #F0F1F3; color: #8A8F98; }
.pcard h3 { font-size: 17.5px; font-weight: 600; line-height: 1.45; margin-bottom: 12px; }
.pc-meta { display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.pc-meta > span { display: flex; align-items: center; gap: 7px; color: var(--mut); font-size: 12.5px; }
.pc-meta svg { width: 14px; height: 14px; fill: none; stroke: var(--brand); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.pc-pay { display: flex; align-items: baseline; gap: 4px; padding: 14px 0; border-top: 1px dashed var(--line); }
.pc-pay b { font-size: 24px; color: var(--brand); font-weight: 700; letter-spacing: -.02em; }
.pc-pay i { font-style: normal; color: var(--mut); font-size: 12.5px; }
.pc-pay .cyc { margin-left: auto; font-size: 11px; color: var(--brand); background: var(--brand-soft); padding: 4px 10px; border-radius: 6px; font-weight: 600; }
.pc-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); color: var(--mut); font-size: 12.5px; }
.pc-foot .more { display: inline-flex; align-items: center; gap: 5px; color: var(--brand); font-weight: 600; }
.pc-foot .more svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.pcard:hover .more svg { transform: translateX(3px); }
.pc-add { border: 1.5px dashed #D8DBE0; border-radius: 14px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--mut); font-size: 13.5px; min-height: 250px; text-align: center; padding: 20px; }
.pc-add svg { width: 30px; height: 30px; fill: none; stroke: #C4C8CE; stroke-width: 1.6; stroke-linecap: round; }
.empty-card { grid-column: 1 / -1; text-align: center; padding: 70px 20px; border: 1.5px dashed var(--line); border-radius: 14px; color: var(--mut); }
.empty-card b { display: block; color: var(--ink2); font-size: 16px; margin-bottom: 8px; }

/* ---------------- 关于我们 ---------------- */
.about { display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.about-txt p { color: var(--ink2); font-size: 14.5px; line-height: 2.05; text-align: justify; }
.about-txt p + p { margin-top: 16px; }
.about-fig { position: relative; border-radius: 16px; overflow: hidden; height: 400px; background: linear-gradient(150deg, #F25C05, #C43F00); display: flex; align-items: center; justify-content: center; }
.about-fig .big { color: rgba(255, 255, 255, .14); font-size: 118px; font-weight: 800; letter-spacing: .04em; }
.about-fig .card { position: absolute; left: 34px; right: 34px; bottom: 34px; border-radius: 14px; background: rgba(255, 255, 255, .96); padding: 22px 24px; display: flex; justify-content: space-around; gap: 16px; }
.about-fig .card div { text-align: center; }
.about-fig .card b { display: block; font-size: 25px; color: var(--brand); font-weight: 700; }
.about-fig .card span { font-size: 12px; color: var(--mut); }

/* ---------------- 橙色里程碑 ---------------- */
.miles { background: linear-gradient(118deg, #F25C05, #E04E00); color: #fff; padding: 84px 0 78px; position: relative; overflow: hidden; }
.miles::after { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border: 1.5px solid rgba(255, 255, 255, .18); border-radius: 50%; }
.miles::before { content: ""; position: absolute; left: -80px; bottom: -140px; width: 340px; height: 340px; border: 1.5px solid rgba(255, 255, 255, .14); border-radius: 50%; }
.miles h2 { text-align: center; font-size: clamp(24px, 2.8vw, 34px); font-weight: 600; letter-spacing: .06em; position: relative; }
.miles .sub { text-align: center; margin: 14px 0 56px; color: rgba(255, 255, 255, .84); font-size: 14.5px; position: relative; }
.miles-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.mile { text-align: center; padding: 0 8px; }
.mile .ci { width: 74px; height: 74px; margin: 0 auto 20px; border-radius: 50%; background: rgba(255, 255, 255, .14); border: 1.5px solid rgba(255, 255, 255, .42); display: flex; align-items: center; justify-content: center; }
.mile .ci svg { width: 32px; height: 32px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.mile b { display: block; font-size: 25px; font-weight: 700; letter-spacing: .02em; }
.mile h5 { margin-top: 6px; font-size: 14.5px; font-weight: 600; }
.mile p { margin-top: 8px; font-size: 12px; color: rgba(255, 255, 255, .8); line-height: 1.7; }

/* ---------------- 新闻 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news { border: 1px solid var(--line); border-radius: 14px; background: #fff; padding: 30px 28px 26px; display: flex; flex-direction: column; transition: all .3s; }
.news:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(23, 25, 30, .09); }
.news .tag { align-self: flex-start; font-size: 11px; font-weight: 600; color: var(--brand); background: var(--brand-soft); padding: 4px 12px; border-radius: 6px; margin-bottom: 16px; }
.news h4 { font-size: 16.5px; font-weight: 600; line-height: 1.6; flex: 1; }
.news .dt { margin-top: 16px; font-size: 12.5px; color: var(--mut); }
.news .sum { margin-top: 10px; font-size: 13px; color: var(--mut); line-height: 1.75; }
.news .go { margin-top: 20px; align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; color: var(--brand); font-size: 13px; font-weight: 600; }
.news .go svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------------- 数据覆盖 + 服务网络地图 ---------------- */
.cov-nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cov-nums > div {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 26px 26px 22px; position: relative; overflow: hidden;
  transition: box-shadow .3s, transform .3s;
}
.cov-nums > div::after {
  content: ""; position: absolute; left: 26px; right: 26px; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand), rgba(242, 92, 5, 0));
  opacity: 0; transition: opacity .3s;
}
.cov-nums > div:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(23, 25, 30, .08); }
.cov-nums > div:hover::after { opacity: 1; }
.cov-nums b { display: block; font-size: 44px; font-weight: 700; color: var(--brand); letter-spacing: -.02em; line-height: 1.1; }
.cov-nums b small { font-size: 16px; font-weight: 600; margin-left: 3px; }
.cov-nums span { display: block; margin-top: 8px; color: var(--ink2); font-size: 14px; }
.cov-nums i { display: block; margin-top: 4px; font-style: normal; color: var(--mut); font-size: 12px; }

.mapcard {
  margin-top: 24px; border-radius: 20px; overflow: hidden; position: relative;
  background: radial-gradient(120% 130% at 82% 4%, #1C2B3A 0%, #121B24 52%, #0C1219 100%);
  border: 1px solid rgba(255, 255, 255, .08);
  box-shadow: 0 26px 70px rgba(12, 18, 25, .26);
}
.mapcard-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 26px 30px 4px; }
.mc-t b { display: block; color: #fff; font-size: 17px; font-weight: 600; letter-spacing: .03em; }
.mc-t span { display: block; margin-top: 6px; color: rgba(214, 224, 234, .5); font-size: 12.5px; }
.mc-live {
  display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0;
  font-size: 12px; color: rgba(255, 176, 122, .9); letter-spacing: .06em;
  background: rgba(242, 92, 5, .1); border: 1px solid rgba(255, 138, 61, .26);
  padding: 7px 14px; border-radius: 999px;
}
.mc-live i { width: 6px; height: 6px; border-radius: 50%; background: #FF8A3D; box-shadow: 0 0 0 0 rgba(255, 138, 61, .7); animation: livePulse 2s infinite; }
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 138, 61, .55); }
  70% { box-shadow: 0 0 0 7px rgba(255, 138, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 138, 61, 0); }
}

.map-stage { position: relative; padding: 0 8px; }
.map-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(70% 66% at 60% 48%, #000 30%, transparent 100%);
  mask-image: radial-gradient(70% 66% at 60% 48%, #000 30%, transparent 100%);
}
.cnmap { position: relative; display: block; width: 100%; height: auto; }
.cnmap .land { filter: drop-shadow(0 0 16px rgba(242, 92, 5, .1)); }
.cnmap .southsea rect { }
.cnmap .nd circle { fill: rgba(214, 226, 238, .72); }
.cnmap .nd.hot circle { fill: #FF8A3D; }
.cnmap .nd-lb {
  fill: rgba(206, 219, 231, .55); font-size: 10.5px; letter-spacing: .02em;
  font-family: inherit; paint-order: stroke; stroke: rgba(12, 18, 25, .55); stroke-width: 2.4px;
}
.cnmap .nd.hot .nd-lb { fill: rgba(240, 246, 252, .86); font-weight: 600; }
.cnmap .links .ln { animation: dashFlow 3.2s linear infinite; }
@keyframes dashFlow { to { stroke-dashoffset: -120; } }
.cnmap .ring {
  fill: none; stroke: #FF8A3D; stroke-width: 1.3; opacity: 0;
  transform-box: fill-box; transform-origin: center;
  animation: hubPulse 3s ease-out infinite;
}
.cnmap .ring.r2 { animation-delay: 1.5s; }
@keyframes hubPulse {
  0% { transform: scale(.55); opacity: .95; }
  70% { opacity: .18; }
  100% { transform: scale(4.2); opacity: 0; }
}
.cnmap .core { fill: #FF6A10; }
.cnmap .hub-lb text { fill: #FFB27E; font-size: 11.5px; font-weight: 600; letter-spacing: .08em; font-family: inherit; }
.map-fade {
  position: absolute; inset: auto 0 0 0; height: 26%; pointer-events: none;
  background: linear-gradient(rgba(12, 18, 25, 0), rgba(12, 18, 25, .72));
}
.map-legend {
  position: absolute; left: 26px; bottom: 20px; display: flex; gap: 18px; flex-wrap: wrap;
  font-size: 11.5px; color: rgba(206, 219, 231, .55);
}
.map-legend span { display: inline-flex; align-items: center; gap: 7px; }
.map-legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.map-legend .lg-hub { background: #FF6A10; box-shadow: 0 0 0 3px rgba(255, 106, 16, .22); }
.map-legend .lg-node { background: rgba(214, 226, 238, .7); }
.map-legend .lg-line { width: 16px; height: 0; border-radius: 0; border-top: 1.5px dashed rgba(255, 138, 61, .8); }

.mapcard-ft {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  padding: 18px 30px 22px; border-top: 1px solid rgba(255, 255, 255, .07);
  background: rgba(255, 255, 255, .022);
}
.mc-hub { display: flex; align-items: center; gap: 12px; }
.hub-ico {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 18px rgba(242, 92, 5, .35);
}
.hub-ico svg { width: 19px; height: 19px; fill: none; stroke: #fff; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.mc-hub b { display: block; color: #fff; font-size: 14px; font-weight: 600; }
.mc-hub span { display: block; margin-top: 2px; color: rgba(206, 219, 231, .45); font-size: 11.5px; }
.mc-chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.mc-chips span {
  font-size: 11.5px; color: rgba(214, 226, 238, .72);
  border: 1px solid rgba(255, 255, 255, .12); background: rgba(255, 255, 255, .04);
  padding: 5px 11px; border-radius: 999px; transition: all .25s;
}
.mc-chips span:hover { color: #FFC49B; border-color: rgba(255, 138, 61, .45); background: rgba(242, 92, 5, .12); }
.mc-chips span.primary { color: #FFD3B4; border-color: rgba(255, 138, 61, .45); background: rgba(242, 92, 5, .14); }
.map-note { margin-top: 14px; text-align: right; color: var(--mut); font-size: 11.5px; }

@media (prefers-reduced-motion: reduce) {
  .cnmap .ln, .cnmap .ring, .mc-live i { animation: none; }
  .cnmap .ring { opacity: .35; }
}

/* ---------------- FAQ ---------------- */
.faq { max-width: 860px; margin: 0 auto; }
.fq { border-bottom: 1px solid var(--line); }
.fq:first-child { border-top: 1px solid var(--line); }
.fq > button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: none; border: 0; padding: 22px 6px; font-size: 15.5px; font-weight: 600; color: var(--ink); text-align: left; }
.fq > button svg { width: 18px; height: 18px; fill: none; stroke: var(--brand); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; transition: transform .25s; }
.fq.on > button svg { transform: rotate(180deg); }
.fq .ans { max-height: 0; overflow: hidden; transition: max-height .3s ease; color: var(--mut); font-size: 14px; line-height: 1.9; padding: 0 6px; }
.fq.on .ans { max-height: 240px; padding: 0 6px 22px; }

/* ---------------- CTA ---------------- */
.cta { background: var(--dark); color: #fff; }
.cta-in { width: min(1200px, 92vw); margin: 0 auto; padding: 72px 0; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-in h3 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 600; letter-spacing: .04em; }
.cta-in p { margin-top: 12px; color: rgba(255, 255, 255, .62); font-size: 14.5px; line-height: 1.8; }
.cta-in .act { display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }

/* ---------------- 页脚 ---------------- */
footer { background: #101216; color: #B9BDC4; font-size: 13.5px; }
.ftr { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 48px; padding: 72px 0 56px; }
.ftr h5 { color: #fff; font-size: 15px; margin-bottom: 20px; letter-spacing: .06em; }
.ftr a { display: block; padding: 7px 0; color: #9BA0A8; transition: color .2s; }
.ftr a:hover { color: var(--brand-2); }
.ftr-brand p { margin-top: 20px; line-height: 1.9; color: #8A8F97; font-size: 13px; max-width: 300px; }
.ftr .li { display: block; padding: 7px 0; }
.admin-card { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); border-radius: 12px; padding: 20px; }
.admin-card b { display: flex; align-items: center; gap: 8px; color: #fff; font-size: 14px; }
.admin-card b svg { width: 16px; height: 16px; fill: none; stroke: var(--brand-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.admin-card p { margin: 10px 0 14px; font-size: 12.5px; color: #8A8F97; line-height: 1.7; }
.admin-card .go { color: var(--brand-2); font-weight: 600; padding: 0; }
.ftr-slogan { text-align: center; padding: 34px 0 0; border-top: 1px solid rgba(255, 255, 255, .08); }
.ftr-slogan b { color: #fff; font-size: clamp(17px, 2vw, 22px); letter-spacing: .3em; font-weight: 600; }
.ftr-slogan span { display: block; margin-top: 10px; font-size: 11px; letter-spacing: .2em; color: #6B7078; }
.ftr-slogan em { display: block; margin-top: 14px; font-style: normal; font-size: 12px; letter-spacing: .12em; color: #8A8F97; }
.ftr-btm { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 22px 0 26px; color: #6B7078; font-size: 12px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .svc-grid, .grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .sol, .about, .cov { grid-template-columns: 1fr; gap: 40px; }
  .cov-nums { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .mapcard-ft { padding: 16px 22px 20px; }
  .mc-chips { justify-content: flex-start; }
  .miles-row { grid-template-columns: repeat(3, 1fr); row-gap: 42px; }
  .ftr { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 760px) {
  .menu, .nav-act { display: none; }
  .burger { display: flex; }
  .drawer { display: none; position: fixed; top: 72px; left: 0; right: 0; z-index: 89; background: #fff; border-bottom: 1px solid var(--line); padding: 14px 6vw 20px; }
  .drawer.open { display: block; }
  .drawer a { display: block; padding: 13px 4px; font-size: 15px; border-bottom: 1px solid var(--line); }
  .drawer .btn-main { margin-top: 14px; width: 100%; border-bottom: 0; }
  .svc-grid, .grid, .news-grid { grid-template-columns: 1fr; }
  .miles-row { grid-template-columns: repeat(2, 1fr); }
  .sec { padding: 64px 0; }
  .hero { min-height: 560px; }
  .hero-dots { display: none; }
  .sol-view { min-height: 340px; }
  .about-fig { height: 320px; }
  .ftr { grid-template-columns: 1fr; }
  .cov-nums { grid-template-columns: repeat(2, 1fr); }
  .cov-nums b { font-size: 34px; }
  .cov-nums > div { padding: 18px 18px 16px; }
  .cov-nums i { font-size: 11px; }
  .mapcard-top { padding: 20px 18px 2px; flex-wrap: wrap; gap: 12px; }
  .mc-live { font-size: 11px; padding: 6px 11px; }
  .map-stage { padding: 0; }
  .cnmap .nd-lb { font-size: 12px; }
  .map-legend { display: none; }
  .mapcard-ft { padding: 14px 18px 18px; gap: 14px; }
  .mc-chips span { font-size: 11px; padding: 4px 9px; }
  .map-note { text-align: left; }
}

/* ============================================================
   光效层（科技感）：跟随光斑 / 牵引丝带 / 卡片聚光 / Hero 网格随光
   全部 pointer-events:none，不干扰交互；触屏与减弱动效下自动关闭
   ============================================================ */
.fx-glow {
  position: fixed; left: 0; top: 0; width: 640px; height: 640px; border-radius: 50%;
  pointer-events: none; z-index: 3; opacity: 0;
  transition: opacity .6s ease; will-change: transform;
  background: radial-gradient(circle at 50% 50%,
    rgba(255, 150, 62, .17) 0%,
    rgba(255, 150, 62, .07) 30%,
    rgba(255, 150, 62, .018) 52%,
    rgba(255, 150, 62, 0) 70%);
}
.fx-glow.on { opacity: 1; }
.fx-canvas { position: fixed; left: 0; top: 0; pointer-events: none; z-index: 4; }

/* Hero 网格上的光斑，随指针移动（被网格自身的遮罩裁切，边界自然） */
.hero-grid::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle 300px at var(--gx, 50%) var(--gy, 44%),
    rgba(255, 146, 62, .16), rgba(255, 146, 62, .05) 42%, transparent 72%);
  opacity: 0; transition: opacity .45s ease;
}
.hero-grid.lit::after { opacity: 1; }

/* 业务卡 / 项目卡：鼠标在哪，卡里哪就亮 */
.svc { position: relative; }
.svc::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(circle 210px at var(--fx-x, 50%) var(--fx-y, 50%),
    rgba(255, 138, 61, .16), rgba(255, 138, 61, .04) 45%, transparent 68%);
  opacity: 0; transition: opacity .35s ease;
}
.svc:hover::after { opacity: 1; }

.pcard::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle 240px at var(--fx-x, 50%) var(--fx-y, 50%),
    rgba(255, 138, 61, .11), transparent 66%);
  opacity: 0; transition: opacity .35s ease;
}
.pcard:hover::after { opacity: 1; }

@media (max-width: 760px) {
  .fx-glow, .fx-canvas { display: none !important; }
}

/* ============================================================
   企业服务（三大板块）：企业账户上门见证 / 信息采集 / 商户服务
   白底 + 深色卡：底色与六大业务板块统一，专业分量收进三张卡片
   ============================================================ */
.ent-sec {
  position: relative; overflow: hidden;
  background: var(--bg);
}
.ent-sec::after {
  content: ""; position: absolute; right: -10%; top: -34%; width: 680px; height: 680px;
  background: radial-gradient(circle, rgba(242, 92, 5, .075), transparent 66%);
  pointer-events: none;
}
.ent-sec .wrap { position: relative; z-index: 1; }
.ent-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(23, 25, 30, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 25, 30, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(74% 60% at 50% 6%, #000 6%, transparent 80%);
  mask-image: radial-gradient(74% 60% at 50% 6%, #000 6%, transparent 80%);
}

.ent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ent-card {
  position: relative; padding: 30px 28px 26px; border-radius: 16px; overflow: hidden;
  background: linear-gradient(158deg, #262A34 0%, #1A1D25 56%, #14171E 100%);
  border: 1px solid rgba(255, 255, 255, .07);
  box-shadow: 0 8px 24px rgba(16, 20, 28, .09);
  transition: transform .38s cubic-bezier(.2, .7, .3, 1), box-shadow .38s, border-color .38s;
}
.ent-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand), rgba(255, 138, 61, .05));
  opacity: 0; transition: opacity .35s;
}
.ent-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 138, 61, .36);
  box-shadow: 0 26px 54px rgba(16, 20, 28, .24);
}
.ent-card:hover::before { opacity: 1; }
.ent-no {
  position: absolute; right: 22px; top: 14px; line-height: 1;
  font-size: 44px; font-weight: 700; letter-spacing: -.03em; color: rgba(255, 255, 255, .075);
}
.ent-ico {
  display: flex; align-items: center; justify-content: center; width: 50px; height: 50px; border-radius: 13px;
  background: linear-gradient(135deg, rgba(255, 138, 61, .22), rgba(242, 92, 5, .07));
  border: 1px solid rgba(255, 138, 61, .26); color: var(--brand-2);
}
.ent-ico svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.ent-card h3 { margin-top: 22px; font-size: 18.5px; font-weight: 600; letter-spacing: .02em; color: #fff; }
.ent-en { display: block; margin-top: 7px; font-size: 10px; letter-spacing: .15em; color: rgba(255, 255, 255, .34); }
.ent-desc { margin-top: 15px; font-size: 13.5px; line-height: 1.78; color: rgba(255, 255, 255, .62); }
.ent-list {
  margin-top: 17px; padding-top: 17px; border-top: 1px solid rgba(255, 255, 255, .08);
  list-style: none; display: grid; gap: 9px;
}
.ent-list li { position: relative; padding-left: 16px; font-size: 12.8px; line-height: 1.62; color: rgba(255, 255, 255, .74); }
.ent-list li::before {
  content: ""; position: absolute; left: 1px; top: 8px; width: 5px; height: 5px;
  border-radius: 1.5px; background: var(--brand-2); transform: rotate(45deg); opacity: .85;
}
.ent-std { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 7px; }
.ent-std span {
  font-size: 11px; color: var(--brand-2); background: rgba(255, 138, 61, .1);
  border: 1px solid rgba(255, 138, 61, .18); border-radius: 99px; padding: 4px 10px;
}

/* 底部服务价值：白底上的深色字 */
.ent-values {
  margin-top: 46px; padding-top: 32px; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px;
}
.ent-values > div { position: relative; padding-left: 17px; }
.ent-values > div::before {
  content: ""; position: absolute; left: 0; top: 3px; bottom: 3px; width: 2px; border-radius: 2px;
  background: linear-gradient(var(--brand), rgba(242, 92, 5, .12));
}
.ent-values b { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.ent-values span { display: block; margin-top: 7px; font-size: 12.5px; line-height: 1.7; color: var(--mut); }
.ent-note { margin-top: 30px; text-align: center; font-size: 12px; color: #A2A7B0; }

@media (max-width: 1080px) {
  .ent-grid { grid-template-columns: 1fr; gap: 16px; }
  .ent-values { grid-template-columns: 1fr 1fr; gap: 22px; }
}
@media (max-width: 760px) {
  .ent-card { padding: 24px 20px; }
  .ent-no { font-size: 36px; }
  .ent-values { grid-template-columns: 1fr; }
  .ent-note { text-align: left; }
}

/* 企业服务卡：鼠标聚光（深卡上更亮一档） */
.ent-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle 250px at var(--fx-x, 50%) var(--fx-y, 50%),
    rgba(255, 138, 61, .19), rgba(255, 138, 61, .04) 45%, transparent 70%);
  opacity: 0; transition: opacity .35s ease;
}
.ent-card:hover::after { opacity: 1; }

/* 企业服务网格随光（白底上减弱） */
.ent-bg::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle 320px at var(--gx, 50%) var(--gy, 50%),
    rgba(255, 138, 61, .085), rgba(255, 138, 61, .02) 42%, transparent 72%);
  opacity: 0; transition: opacity .45s ease;
}
.ent-bg.lit::after { opacity: 1; }

/* Hero 底边：深色收尾，天际线在边界前淡出（下一屏已改白底，不再需要同色收敛层） */
.hero-in, .hero-dots { z-index: 3; }
.hero-in { position: relative; }
.hero-sky {
  -webkit-mask-image: linear-gradient(to bottom, #000 52%, rgba(0, 0, 0, .45) 78%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 52%, rgba(0, 0, 0, .45) 78%, transparent 100%);
}