/* =========================================================
   爱数据官网 · 首页
   视觉方向：编辑式排版 + 建筑感
   —— 超大字号、极致留白、发丝线、非对称栅格、克制配色
   —— 主色取自品牌 LOGO：深蓝 #1B3A9C / 描边金 #C7A15A
   ========================================================= */

:root{
  --blue:#1B3A9C;
  --blue-deep:#0F2358;
  --blue-ink:#08122B;
  --blue-mid:#2B54C4;
  --gold:#B98F45;
  --gold-lt:#D9BC80;

  --paper:#FAF9F6;          /* 暖白纸底 */
  --paper-2:#F2F0EA;
  --ink:#12182A;
  --ink-2:#4A5162;
  --ink-3:#8A8F9C;
  --hair:rgba(18,24,42,.12);
  --hair-lt:rgba(255,255,255,.14);

  --serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",
         -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"SF Mono","IBM Plex Mono",Menlo,Consolas,monospace;

  --wrap:1240px;
  --ease:cubic-bezier(.19,1,.22,1);
}

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

html{scroll-behavior:smooth;scroll-padding-top:100px}

body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px}

/* 纸张颗粒感 —— 让纯色底不呆板 */
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  opacity:.028;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3'/></filter><rect width='140' height='140' filter='url(%23n)'/></svg>");
}
.nav,.hero,.figures,.statement,.section,.cta,.foot{position:relative;z-index:1}

/* ===================== 导航 ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:22px 0;
  transition:padding .45s var(--ease),background .45s var(--ease),box-shadow .45s var(--ease);
}
.nav.scrolled{
  padding:13px 0;
  background:rgba(250,249,246,.86);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  box-shadow:0 1px 0 var(--hair);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.nav-logo img{height:36px;width:auto;transition:height .45s var(--ease)}
.nav.scrolled .nav-logo img{height:30px}
.nav-links{display:flex;align-items:center;gap:38px}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--ink-2);
  letter-spacing:.01em;position:relative;padding:2px 0;
  transition:color .3s;
}
.nav-links a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;
  background:var(--blue);transform:scaleX(0);transform-origin:right;
  transition:transform .5s var(--ease);
}
.nav-links a:not(.nav-cta):hover{color:var(--ink)}
.nav-links a:not(.nav-cta):hover::after{transform:scaleX(1);transform-origin:left}
/* 注意：.nav-cta 的权重必须压过 .nav-links a，否则内边距被覆盖，
   圆角边框会贴着文字。这里用 .nav-links a.nav-cta 提高一级权重。 */
.nav-links a.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--ink);border-radius:999px;
  padding:9px 22px;color:var(--ink) !important;font-weight:600;
  line-height:1.35;
  transition:background .35s var(--ease),color .35s var(--ease),
             border-color .35s var(--ease);
}
.nav-links a.nav-cta::after{display:none}
.nav-links a.nav-cta:hover{
  background:var(--ink);color:var(--paper) !important;border-color:var(--ink);
}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;
  flex-direction:column;gap:5px}
.nav-burger span{width:24px;height:1.5px;background:var(--ink);display:block;
  transition:transform .3s var(--ease),opacity .3s}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;gap:11px;
  padding:16px 34px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .4s var(--ease),color .4s var(--ease),
             border-color .4s var(--ease),gap .4s var(--ease);
}
.btn .arw{font-style:normal;transition:transform .4s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--blue)}
.btn-line{border-color:rgba(18,24,42,.28);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.btn-line-light{border-color:rgba(255,255,255,.34);color:#fff}
.btn-line-light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ===================== 首屏 ===================== */
.hero{padding:230px 0 110px;position:relative;overflow:hidden}

/* 手绘城市网络图形层 */
.hero-bg{
  position:absolute;left:0;right:0;bottom:-2px;
  height:min(78vh,760px);pointer-events:none;z-index:0;
  opacity:.9;
}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center bottom}
/* 左侧压暗，保证文字可读 */
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,
      var(--paper) 0%,
      rgba(250,249,246,.95) 22%,
      rgba(250,249,246,.55) 48%,
      rgba(250,249,246,.30) 72%,
      rgba(250,249,246,.62) 100%),
    linear-gradient(180deg,
      rgba(250,249,246,.80) 0%,
      rgba(250,249,246,0) 26%,
      rgba(250,249,246,0) 68%,
      rgba(250,249,246,.55) 100%);
}

.hero-wrap{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 300px;gap:72px;align-items:end;
}
.hero-kicker{
  display:flex;align-items:center;gap:16px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-3);
  animation:fadeUp 1s .05s var(--ease) both;
}
.k-line{width:52px;height:1px;background:var(--gold);flex:0 0 auto}

.hero h1{
  margin-top:36px;
  font-family:var(--serif);
  font-size:clamp(46px,7.4vw,104px);
  line-height:1.06;font-weight:600;letter-spacing:-.025em;
  color:var(--ink);
}
.hero h1 br + *{margin-top:2px}
/* 逐行升起 */
.hero h1 .ln{display:block;overflow:hidden}
.hero h1 .ln > span{
  display:block;animation:fadeUp 1.15s var(--ease) both;
}
.hero h1 .ln:nth-child(1) > span{animation-delay:.12s}
.hero h1 .ln:nth-child(2) > span{animation-delay:.24s}
.hero h1 .ln:nth-child(2){color:var(--blue)}

.hero-sub{
  margin-top:40px;max-width:640px;
  font-size:17px;line-height:1.95;color:var(--ink-2);
  animation:fadeUp 1.1s .38s var(--ease) both;
}
.hero-actions{
  display:flex;gap:14px;flex-wrap:wrap;margin-top:46px;
  animation:fadeUp 1.1s .5s var(--ease) both;
}

/* 首屏侧栏 */
.hero-side{
  border-top:1px solid var(--ink);
  padding-top:22px;
  animation:fadeUp 1.1s .62s var(--ease) both;
}
.hs-title{
  font-family:var(--serif);font-size:21px;font-weight:600;
  line-height:1.5;letter-spacing:-.01em;color:var(--ink);
}
.hs-list{margin-top:26px;display:flex;flex-direction:column}
.hs-list > div{
  padding:13px 0;border-top:1px solid var(--hair);
  display:flex;flex-direction:column;gap:3px;
}
.hs-list > div:first-child{border-top:0;padding-top:0}
.hs-list dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);
}
.hs-list dd{font-size:14px;color:var(--ink-2);line-height:1.6}

@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}

/* ===================== 数据条 ===================== */
.figures{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.fig-grid{display:grid;grid-template-columns:repeat(5,1fr)}
.fig{
  padding:44px 30px 40px 0;
  border-left:1px solid var(--hair);
  padding-left:30px;
}
.fig:first-child{border-left:0;padding-left:0}
.fig-k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:16px;
}
.fig-n{
  font-family:var(--serif);
  font-size:clamp(38px,4.4vw,58px);
  line-height:1;font-weight:600;letter-spacing:-.03em;
  color:var(--ink);
  font-variant-numeric:tabular-nums lining-nums;
  display:flex;align-items:baseline;
}
.fig-n i{
  font-style:normal;font-family:var(--sans);
  font-size:15px;font-weight:500;color:var(--ink-3);
  margin-left:7px;letter-spacing:0;
}
.fig-n .w{font-size:.62em;font-weight:400;color:var(--ink-3);margin:0 .04em}
.fig-l{margin-top:14px;font-size:13.5px;color:var(--ink-2);line-height:1.65}

.fig-src{
  margin-top:26px;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.09em;
  color:var(--ink-3);opacity:.8;
}

/* ===================== 主张 ===================== */
.statement{padding:130px 0}
.statement p{
  font-family:var(--serif);
  font-size:clamp(26px,3.9vw,52px);
  line-height:1.32;font-weight:600;letter-spacing:-.02em;
  max-width:960px;
}
.statement em{
  font-style:normal;color:var(--blue);
  background-image:linear-gradient(var(--gold-lt),var(--gold-lt));
  background-repeat:no-repeat;background-position:0 92%;background-size:100% 3px;
}

/* ===================== 区块通用 ===================== */
.section{padding:132px 0}
.section-tint{background:var(--paper-2)}
.section-ink{background:var(--blue-ink);color:#fff}
.section-ink .sec-title{color:#fff}
.section-ink .sec-lead{color:rgba(255,255,255,.62)}
.section-ink .sec-no{color:rgba(255,255,255,.28)}

.sec-head{
  display:grid;grid-template-columns:100px 1fr;gap:36px;
  margin-bottom:76px;align-items:start;
}
.sec-no{
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  color:var(--ink-3);padding-top:14px;
  border-top:1px solid var(--ink);
  display:block;
}
.sec-title{
  font-family:var(--serif);
  font-size:clamp(30px,4.1vw,50px);
  line-height:1.22;font-weight:600;letter-spacing:-.025em;
  max-width:820px;
}
.sec-lead{
  margin-top:24px;max-width:660px;
  font-size:16.5px;line-height:1.95;color:var(--ink-2);
}

/* ===================== 六大业务板块 ===================== */
.biz-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--hair);border-left:1px solid var(--hair);
}
.biz{
  position:relative;padding:44px 38px 46px;
  border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);
  transition:background .5s var(--ease);
}
.biz::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;
  transition:transform .6s var(--ease);
}
.biz:hover{background:#fff}
.biz:hover::before{transform:scaleX(1)}
.biz-no{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--ink-3);margin-bottom:26px;
  transition:color .5s var(--ease);
}
.biz:hover .biz-no{color:var(--blue)}
.biz h3{
  font-family:var(--serif);
  font-size:22px;font-weight:600;line-height:1.42;letter-spacing:-.01em;
}
.biz-line{
  margin-top:14px;font-size:14.5px;line-height:1.8;
  color:var(--blue);font-weight:500;
}
.biz ul{
  margin-top:26px;padding-top:22px;border-top:1px solid var(--hair);
  list-style:none;display:flex;flex-direction:column;gap:9px;
}
.biz ul li{
  position:relative;padding-left:18px;
  font-size:13.5px;line-height:1.7;color:var(--ink-3);
}
.biz ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:1px;background:var(--ink-3);opacity:.5;
}

/* ===================== 平台支撑 ===================== */
.plat-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--hair-lt);
  border:1px solid var(--hair-lt);
}
.plat{
  background:var(--blue-ink);padding:46px 44px 50px;
  transition:background .5s var(--ease);
}
.plat:hover{background:#0D1A3E}
.plat-kind{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold-lt);
  display:flex;align-items:center;gap:10px;
}
.plat-kind::after{content:"";flex:1;height:1px;background:rgba(217,188,128,.24)}
.plat h3{
  margin-top:24px;font-family:var(--serif);
  font-size:25px;font-weight:600;line-height:1.4;letter-spacing:-.015em;
}
.plat p{
  margin-top:18px;font-size:14.5px;line-height:1.95;
  color:rgba(255,255,255,.62);
}

.method{
  display:grid;grid-template-columns:100px 1fr;gap:36px;
  margin-top:1px;padding:42px 44px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--hair-lt);border-top:0;
}
.method-tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold-lt);padding-top:5px;
}
.method p{font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.72)}
.method b{color:#fff;font-weight:600}

/* ===================== 重点产品 ===================== */
.prod{
  display:grid;grid-template-columns:1.05fr 1fr;gap:76px;
  align-items:center;padding:64px 0;
  border-top:1px solid var(--hair);
}
.prod:last-child{border-bottom:1px solid var(--hair)}
.prod-media{position:relative}
.clip{
  aspect-ratio:4/3;overflow:hidden;position:relative;
  background:linear-gradient(148deg,#E9EDF9 0%,#F7F9FC 46%,#F3EDE0 100%);
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--hair);
}
.clip::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(27,58,156,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(27,58,156,.05) 1px,transparent 1px);
  background-size:30px 30px;
  mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000 12%,transparent 76%);
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000 12%,transparent 76%);
}
.clip img{
  width:120px;height:auto;position:relative;z-index:1;opacity:.92;
  transition:transform 1s var(--ease);
}
.prod:hover .clip img{transform:scale(1.05)}
.clip-hint{
  display:block;margin-top:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  color:var(--ink-3);
}
/* 产品主视觉：横版品牌图，带图注 */
.prod-shot{
  margin:0;border:1px solid var(--hair);
  background:var(--blue-ink);overflow:hidden;position:relative;
}
.prod-shot img{
  display:block;width:100%;height:auto;
  transition:transform 1.1s var(--ease);
}
.prod:hover .prod-shot img{transform:scale(1.03)}
.prod-shot figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 24px 18px;
  background:linear-gradient(to top,rgba(8,18,43,.92),rgba(8,18,43,0));
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  color:rgba(255,255,255,.78);
}
.prod-name{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--blue);
}
.prod-body h3{
  margin-top:20px;font-family:var(--serif);
  font-size:clamp(26px,3vw,38px);font-weight:600;
  line-height:1.3;letter-spacing:-.025em;
}
.prod-body > p{
  margin-top:22px;font-size:15.5px;line-height:2;color:var(--ink-2);
}
.checks{
  margin-top:32px;padding-top:28px;border-top:1px solid var(--hair);
  list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px;
}
.checks li{
  position:relative;padding-left:26px;
  font-size:14px;line-height:1.7;color:var(--ink);
}
.checks li::before{
  content:"";position:absolute;left:0;top:.24em;
  width:15px;height:15px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'><path d='M2.2 7.4l3.1 3.1L11.8 4' fill='none' stroke='%231B3A9C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-size:contain;background-repeat:no-repeat;background-position:center;
}

/* ===================== 运营服务 ===================== */
.flow{
  list-style:none;display:grid;grid-template-columns:repeat(6,1fr);
  border-top:1px solid var(--ink);
}
.flow li{
  position:relative;padding:30px 22px 34px 0;
  border-right:1px solid var(--hair);
}
.flow li:last-child{border-right:0;padding-right:0}
.flow li:not(:first-child){padding-left:22px}
.flow b{
  display:block;font-family:var(--serif);
  font-size:23px;font-weight:600;letter-spacing:-.01em;
  padding-bottom:14px;
}
.flow b::before{
  content:attr(data-no);
  display:block;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.18em;color:var(--gold);margin-bottom:14px;font-weight:400;
}
.flow span{display:block;font-size:13.5px;line-height:1.8;color:var(--ink-3)}

.promise{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:56px;border-top:1px solid var(--hair);
}
.promise > div{
  padding:30px 28px 26px 0;
  border-right:1px solid var(--hair);
  display:flex;flex-direction:column;gap:8px;
}
.promise > div:last-child{border-right:0}
.promise b{
  font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);
}
.promise span{font-size:13.5px;color:var(--ink-2)}

/* ===================== 场景 ===================== */
.scenes{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid var(--hair);
}
.scenes span{
  padding:26px 34px;font-size:16px;font-weight:500;
  border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);
  color:var(--ink-2);cursor:default;
  transition:background .45s var(--ease),color .45s var(--ease);
}
.scenes span:first-child{padding-left:0}
.scenes span:hover{background:var(--ink);color:var(--paper)}

/* ===================== 荣誉 ===================== */
.honor-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--hair-lt);border-left:1px solid var(--hair-lt);
}
.honor{
  padding:42px 34px 46px;
  border-right:1px solid var(--hair-lt);border-bottom:1px solid var(--hair-lt);
  transition:background .5s var(--ease);
}
.honor:hover{background:rgba(255,255,255,.035)}
.hc-tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold-lt);
}
.honor h3{
  margin-top:22px;font-family:var(--serif);
  font-size:19px;font-weight:600;line-height:1.55;letter-spacing:-.01em;
}
.honor p{margin-top:12px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.55)}

.honor-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:1px;
  border-top:1px solid var(--hair-lt);border-left:1px solid var(--hair-lt);
}
.honor-bar > div{
  padding:34px 30px;text-align:left;
  border-right:1px solid var(--hair-lt);border-bottom:1px solid var(--hair-lt);
}
.honor-bar b{
  display:block;font-family:var(--serif);
  font-size:26px;font-weight:600;letter-spacing:-.02em;
  color:var(--gold-lt);line-height:1.25;
}
.honor-bar span{display:block;margin-top:9px;font-size:13px;color:rgba(255,255,255,.5)}

.social{
  display:grid;grid-template-columns:100px 1fr;gap:36px;
  margin-top:40px;padding:34px 44px;
  background:rgba(255,255,255,.03);border:1px solid var(--hair-lt);
}
.social-tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold-lt);padding-top:5px;
}
.social p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66)}

/* ===================== 生态伙伴 ===================== */
.partners{
  display:grid;grid-template-columns:repeat(2,1fr);
  border-top:1px solid var(--hair);
}
.partner{
  padding:40px 40px 40px 0;
  border-right:1px solid var(--hair);
  display:flex;flex-direction:column;gap:10px;
}
.partner:last-child{border-right:0;padding-left:40px}
.partner b{
  font-family:var(--serif);font-size:21px;font-weight:600;
  letter-spacing:-.01em;line-height:1.5;
}
.partner span{font-size:14px;color:var(--ink-3)}
.note{margin-top:28px;font-size:13px;color:var(--ink-3);line-height:1.8}

/* ===================== 联系 ===================== */
.cta{
  padding:118px 0;
  background:var(--ink);color:#fff;
}
.cta-inner{
  display:grid;grid-template-columns:1fr auto;gap:70px;align-items:end;
}
.cta h2{
  font-family:var(--serif);
  font-size:clamp(28px,3.7vw,48px);
  font-weight:600;line-height:1.28;letter-spacing:-.025em;
}
.cta p{
  margin-top:24px;max-width:600px;
  font-size:16px;line-height:1.9;color:rgba(255,255,255,.62);
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta .btn-solid{background:var(--paper);color:var(--ink)}
.cta .btn-solid:hover{background:var(--gold-lt)}

/* ===================== 页脚 ===================== */
.foot{background:var(--ink);color:var(--ink-3);padding:84px 0 32px;
  border-top:1px solid rgba(255,255,255,.09)}
.foot-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:56px}
.foot-brand img{height:32px;width:auto;margin-bottom:24px;opacity:.95}
.foot-name{font-size:15px;color:rgba(255,255,255,.9);font-weight:600;
  font-family:var(--serif);letter-spacing:.01em}
.foot-slogan{margin-top:8px;font-size:13px;color:rgba(255,255,255,.42)}
.foot-col h4{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:22px;
  font-weight:500;
}
.foot-col a,.foot-col p{
  display:block;font-size:13.5px;line-height:2.2;
  color:rgba(255,255,255,.56);transition:color .3s;
}
.foot-col a:hover{color:var(--gold-lt)}
.todo{color:rgba(255,255,255,.26) !important}
.foot-bottom{
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-top:64px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.09);
  font-size:12px;color:rgba(255,255,255,.34);line-height:1.8;
}
.foot-warn{font-family:var(--mono);font-size:11px;letter-spacing:.04em}

/* ===================== 滚动显现 ===================== */
[data-reveal]{
  opacity:0;transform:translateY(34px);
  transition:opacity 1.05s var(--ease),transform 1.05s var(--ease);
}
[data-reveal].in{opacity:1;transform:none}

/* ===================== 响应式 ===================== */
@media (max-width:1120px){
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .honor-bar{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(3,1fr)}
  .flow li:nth-child(3){border-right:0}
  .hero-wrap{grid-template-columns:1fr;gap:56px;align-items:start}
  .hero-side{max-width:420px}
  .foot-inner{grid-template-columns:1fr 1fr;gap:44px}
}
@media (max-width:880px){
  .wrap{padding:0 26px}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-top:1px solid var(--hair);
    box-shadow:0 20px 40px rgba(18,24,42,.09);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:16px 26px;font-size:15.5px}
  .nav-links a::after{display:none}
  .nav-cta{margin:12px 26px;text-align:center;justify-content:center}
  .nav-burger{display:flex}

  .hero{padding:150px 0 68px}
  .hero h1{font-size:clamp(38px,10vw,58px)}
  .figures .fig-grid{grid-template-columns:1fr 1fr}
  .fig{border-left:0;padding-left:0;border-top:1px solid var(--hair);padding-top:32px}
  .fig:nth-child(1),.fig:nth-child(2){border-top:0}
  .fig:nth-child(even){padding-left:26px;border-left:1px solid var(--hair)}

  .section{padding:84px 0}
  .statement{padding:84px 0}
  .sec-head{grid-template-columns:1fr;gap:22px;margin-bottom:52px}
  .sec-no{max-width:100px}
  .method,.social{grid-template-columns:1fr;gap:16px;padding:32px 26px}

  .biz-grid{grid-template-columns:1fr}
  .biz{border-left:0;padding:34px 0 36px}
  .biz-grid{border-left:0}
  .plat-grid{grid-template-columns:1fr}
  .plat{padding:36px 26px 40px}
  .method{padding:32px 26px}

  .prod{grid-template-columns:1fr;gap:36px;padding:46px 0}
  .checks{grid-template-columns:1fr}

  .flow{grid-template-columns:1fr 1fr}
  .flow li{border-right:0;padding:24px 18px 26px 0 !important;border-bottom:1px solid var(--hair)}
  .promise{grid-template-columns:1fr;margin-top:44px}
  .promise > div{border-right:0;border-bottom:1px solid var(--hair);padding:24px 0}
  .promise > div:last-child{border-bottom:0}

  .scenes span{padding:20px 22px;font-size:15px;flex:1 1 auto}
  .scenes span:first-child{padding-left:22px}

  .honor-grid,.honor-bar{grid-template-columns:1fr}
  .honor{padding:34px 26px 38px}
  .honor-bar > div{padding:26px 26px}

  .partners{grid-template-columns:1fr}
  .partner,.partner:last-child{border-right:0;padding:32px 0;border-bottom:1px solid var(--hair)}

  .cta{padding:76px 0}
  .cta-inner{grid-template-columns:1fr;gap:38px;align-items:start}
  .foot-inner{grid-template-columns:1fr;gap:38px}
  .foot-bottom{flex-direction:column;gap:12px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  [data-reveal]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* =========================================================
   内页样式
   ========================================================= */

/* ---------- 内页页头 ---------- */
.phead{
  position:relative;overflow:hidden;
  padding:200px 0 96px;
  border-bottom:1px solid var(--hair);
}
.phead .wrap{position:relative;z-index:2}
.phead-bg{
  position:absolute;left:0;right:0;bottom:-2px;
  height:min(56vh,520px);pointer-events:none;z-index:0;opacity:.85;
}
.phead-bg img{width:100%;height:100%;object-fit:cover;object-position:center bottom}
.phead-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,var(--paper) 0%,rgba(250,249,246,.94) 30%,rgba(250,249,246,.5) 66%,rgba(250,249,246,.7) 100%),
    linear-gradient(180deg,rgba(250,249,246,.7) 0%,rgba(250,249,246,0) 34%);
}
.crumb{
  display:flex;align-items:center;gap:11px;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  color:var(--ink-3);
  animation:fadeUp 1s .05s var(--ease) both;
}
.crumb a{color:var(--ink-3);transition:color .3s}
.crumb a:hover{color:var(--blue)}
.crumb span{opacity:.45}
.crumb em{font-style:normal;color:var(--ink)}
.phead-title{
  margin-top:30px;
  font-family:var(--serif);
  font-size:clamp(34px,5vw,66px);
  line-height:1.14;font-weight:600;letter-spacing:-.025em;
  max-width:940px;
  animation:fadeUp 1.1s .12s var(--ease) both;
}
.phead-lead{
  margin-top:26px;max-width:720px;
  font-size:16.5px;line-height:1.95;color:var(--ink-2);
  animation:fadeUp 1.1s .24s var(--ease) both;
}

/* ---------- 长文正文 ---------- */
.prose{max-width:820px}
.prose p{
  font-size:16px;line-height:2.05;color:var(--ink-2);
  margin-bottom:26px;
}
.prose p:last-child{margin-bottom:0}
.prose .lead{
  font-family:var(--serif);
  font-size:clamp(19px,2.1vw,23px);
  line-height:1.85;color:var(--ink);font-weight:500;
  margin-bottom:34px;
}
.prose-sm p{font-size:14.5px;line-height:1.95}
.link-inline{
  color:var(--blue);border-bottom:1px solid rgba(27,58,156,.3);
  transition:border-color .3s;
}
.link-inline:hover{border-bottom-color:var(--blue)}

/* ---------- 核心能力四栏 ---------- */
.caps{border-top:1px solid var(--hair)}
.cap{
  position:relative;
  padding:44px 48px 44px 0;
  border-bottom:1px solid var(--hair);
  display:grid;grid-template-columns:64px 1fr;gap:0 34px;
}
.cap:last-child{border-bottom:0}
.cap-dot{
  grid-row:1;
  width:11px;height:11px;border-radius:50%;
  border:1.5px solid var(--blue);
  margin-top:12px;
  transition:background .5s var(--ease);
}
.cap:hover .cap-dot{background:var(--blue)}
.cap h3{
  grid-column:2;font-family:var(--serif);
  font-size:clamp(21px,2.4vw,27px);font-weight:600;
  letter-spacing:-.015em;line-height:1.42;
}
.cap p{
  grid-column:2;margin-top:16px;
  font-size:15px;line-height:1.95;color:var(--ink-2);
  max-width:760px;
}

/* ---------- 知识产权卡 ---------- */
.ip-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--hair-lt);border:1px solid var(--hair-lt)}
.ip-card{background:var(--blue-ink);padding:48px 44px 52px}
.ip-n{
  font-family:var(--serif);font-size:clamp(56px,7vw,86px);
  line-height:1;font-weight:600;letter-spacing:-.04em;
  color:var(--gold-lt);font-variant-numeric:tabular-nums;
}
.ip-t{
  margin-top:18px;font-family:var(--serif);
  font-size:21px;font-weight:600;letter-spacing:-.01em;
}
.ip-card p{
  margin-top:18px;font-size:14.5px;line-height:1.95;
  color:rgba(255,255,255,.6);
}
.ip-note{
  margin-top:28px;font-size:13px;line-height:1.85;
  color:rgba(255,255,255,.42);
}
.ip-grid-dark .ip-card{background:#0D1A3E}

/* ---------- 资质条目表 ---------- */
.cred-list{border-top:1px solid var(--hair)}
.cred{
  display:grid;grid-template-columns:190px 1fr;gap:36px;
  padding:32px 0;border-bottom:1px solid var(--hair);
  transition:background .4s var(--ease);
}
.cred:hover{background:rgba(27,58,156,.018)}
.cred-type{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);padding-top:6px;
}
.cred-body b{
  display:block;font-family:var(--serif);
  font-size:19px;font-weight:600;line-height:1.55;letter-spacing:-.01em;
}
.cred-body span{
  display:block;margin-top:11px;
  font-size:14.5px;line-height:1.9;color:var(--ink-2);max-width:740px;
}
.note{
  margin-top:30px;font-size:13.5px;line-height:1.85;
  color:var(--ink-3);max-width:760px;
}
.note-dark{color:rgba(255,255,255,.42)}

/* ---------- 模块卡（6 宫格） ---------- */
.mods{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--hair);border-left:1px solid var(--hair);
}
.mod{
  padding:40px 34px 44px;
  border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);
  transition:background .5s var(--ease);
}
.mod:hover{background:#fff}
.mod-k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold);
}
.mod h4{
  margin-top:20px;font-family:var(--serif);
  font-size:20px;font-weight:600;line-height:1.45;letter-spacing:-.012em;
}
.mod p{margin-top:14px;font-size:14px;line-height:1.9;color:var(--ink-2)}

/* 深色底的模块 */
.mods-dark{border-color:var(--hair-lt)}
.mods-dark .mod{border-color:var(--hair-lt);background:transparent}
.mods-dark .mod:hover{background:rgba(255,255,255,.035)}
.mods-dark h4{color:#fff}
.mods-dark p{color:rgba(255,255,255,.6)}
.mods-dark .mod-k{color:var(--gold-lt)}

/* ---------- 四宫格 ---------- */
.four{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--ink);
}
.four-item{
  padding:34px 28px 38px 0;
  border-right:1px solid var(--hair);
}
.four-item:last-child{border-right:0}
.four-item:not(:first-child){padding-left:28px}
.four-n{
  font-family:var(--serif);font-size:clamp(24px,2.8vw,34px);
  font-weight:600;letter-spacing:-.02em;color:var(--blue);
  line-height:1.2;
}
.four-item p{
  margin-top:16px;font-size:14px;line-height:1.9;color:var(--ink-2);
}

/* ---------- 左右两栏 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  margin-top:56px;
  border-top:1px solid var(--ink);
}
.split-col{padding:38px 44px 40px 0;border-right:1px solid var(--hair)}
.split-col:last-child{border-right:0;padding-left:44px;padding-right:0}
.split-col h4{
  font-family:var(--serif);font-size:20px;font-weight:600;
  letter-spacing:-.01em;margin-bottom:24px;
}
.ticks{list-style:none;display:flex;flex-direction:column;gap:13px}
.ticks li{
  position:relative;padding-left:26px;
  font-size:14.5px;line-height:1.8;color:var(--ink-2);
}
.ticks li::before{
  content:"";position:absolute;left:0;top:.34em;
  width:14px;height:14px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'><path d='M2.2 7.4l3.1 3.1L11.8 4' fill='none' stroke='%231B3A9C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-size:contain;background-repeat:no-repeat;background-position:center;
}
.split-own .ticks li::before{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'><path d='M2.2 7.4l3.1 3.1L11.8 4' fill='none' stroke='%231B3A9C' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}
.split-partner .ticks li::before{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'><path d='M4 4l6 6M10 4l-6 6' fill='none' stroke='%238A8F9C' stroke-width='1.5' stroke-linecap='round'/></svg>");
}
.split-partner .ticks li{color:var(--ink-3)}

/* 深色底两栏 */
.split-dark{border-top-color:rgba(255,255,255,.22)}
.split-dark .split-col{border-right-color:var(--hair-lt)}
.split-dark h4{color:#fff}
.split-dark .ticks li{color:rgba(255,255,255,.66)}
.split-dark .ticks li::before{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'><path d='M2.2 7.4l3.1 3.1L11.8 4' fill='none' stroke='%23D9BC80' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}

/* ---------- 交付路径（纵向编号） ---------- */
.path{
  list-style:none;counter-reset:p;
  border-top:1px solid var(--ink);
}
.path li{
  position:relative;
  display:grid;grid-template-columns:220px 1fr;gap:44px;
  padding:34px 0 34px 0;
  border-bottom:1px solid var(--hair);
}
.path li::before{
  counter-increment:p;content:counter(p,decimal-leading-zero);
  position:absolute;left:0;top:36px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  color:var(--gold);
}
.path b{
  font-family:var(--serif);font-size:23px;font-weight:600;
  letter-spacing:-.015em;padding-left:44px;line-height:1.4;
}
.path p{
  font-size:15px;line-height:1.95;color:var(--ink-2);
  max-width:760px;padding-top:2px;
}
.path-dark{border-top-color:rgba(255,255,255,.22)}
.path-dark li{border-bottom-color:var(--hair-lt)}
.path-dark b{color:#fff}
.path-dark p{color:rgba(255,255,255,.62)}

/* ---------- 解决方案索引 ---------- */
.sol-index{border-top:1px solid var(--ink)}
.sol-item{
  display:grid;grid-template-columns:80px 1fr 40px;
  align-items:center;gap:30px;
  padding:30px 8px 30px 0;
  border-bottom:1px solid var(--hair);
  transition:background .45s var(--ease),padding .45s var(--ease);
}
.sol-item:hover{background:rgba(27,58,156,.035);padding-left:18px}
.sol-no{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink-3);
  transition:color .45s var(--ease);
}
.sol-item:hover .sol-no{color:var(--blue)}
.sol-body h3{
  font-family:var(--serif);font-size:clamp(20px,2.4vw,26px);
  font-weight:600;letter-spacing:-.018em;line-height:1.4;
}
.sol-body p{
  margin-top:9px;font-size:14px;line-height:1.75;color:var(--ink-3);
}
.sol-arw{
  font-size:19px;color:var(--ink-3);
  transition:transform .45s var(--ease),color .45s var(--ease);
}
.sol-item:hover .sol-arw{transform:translateX(7px);color:var(--blue)}

/* ---------- 联系页 ---------- */
.contact-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--ink);border-left:1px solid var(--hair);
}
.contact-card{
  padding:34px 28px 38px;
  border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);
}
.cc-k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);
}
.cc-v{
  margin-top:18px;font-family:var(--serif);
  font-size:19px;font-weight:600;line-height:1.5;letter-spacing:-.01em;
}
.contact-note{
  margin-top:22px;font-family:var(--mono);
  font-size:11.5px;letter-spacing:.04em;line-height:1.9;
  color:var(--ink-3);
}
.todo-fill{color:var(--ink-3);opacity:.55;font-family:var(--sans);font-size:16px;font-weight:400}
.todo-fill-dark{color:rgba(255,255,255,.3);font-weight:400}

.info-table{border-top:1px solid rgba(255,255,255,.22)}
.info-table > div{
  display:grid;grid-template-columns:260px 1fr;gap:36px;
  padding:24px 0;border-bottom:1px solid var(--hair-lt);
}
.info-table span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.42);padding-top:5px;
}
.info-table b{
  font-size:16px;font-weight:600;letter-spacing:-.005em;
  color:rgba(255,255,255,.9);
}

/* ---------- 浅底荣誉卡（荣誉页用） ---------- */
.honor-grid-light{
  border-color:var(--hair);
}
.honor-grid-light .honor{
  border-color:var(--hair);
  background:#fff;
}
.honor-grid-light .honor:hover{background:var(--bg-tint, #F6F8FD)}
.honor-grid-light .hc-tag{color:var(--gold)}
.honor-grid-light .honor h3{color:var(--ink)}
.honor-grid-light .honor p{color:var(--ink-3)}

/* ---------- 页尾引导区 ---------- */
.next{
  padding:92px 0;
  background:var(--paper-2);
  border-top:1px solid var(--hair);
}
.next-inner{
  display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center;
}
.next h2{
  font-family:var(--serif);
  font-size:clamp(24px,3vw,38px);
  font-weight:600;line-height:1.3;letter-spacing:-.022em;
}
.next p{
  margin-top:16px;font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:460px;
}
.next-links{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.next-card{
  display:flex;flex-direction:column;gap:8px;
  padding:28px 26px;
  background:#fff;border:1px solid var(--hair);
  transition:border-color .4s var(--ease),transform .4s var(--ease),box-shadow .4s var(--ease);
}
.next-card:hover{
  border-color:rgba(27,58,156,.3);
  transform:translateY(-4px);
  box-shadow:0 14px 34px rgba(18,24,42,.08);
}
.next-card span{
  font-family:var(--serif);font-size:18px;font-weight:600;
  letter-spacing:-.012em;line-height:1.4;
}
.next-card small{font-size:13px;color:var(--ink-3);line-height:1.7}

/* =========================================================
   内页响应式
   ========================================================= */
@media (max-width:1060px){
  .mods{grid-template-columns:repeat(2,1fr)}
  .four{grid-template-columns:repeat(2,1fr)}
  .four-item:nth-child(2){border-right:0}
  .four-item{padding:30px 24px 34px 0}
  .four-item:nth-child(even){padding-left:24px}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .next-inner{grid-template-columns:1fr;gap:40px}
  .path li{grid-template-columns:180px 1fr;gap:32px}
}
@media (max-width:880px){
  .phead{padding:140px 0 66px}
  .phead-bg{height:min(40vh,340px)}
  .cap{grid-template-columns:1fr;padding:32px 0}
  .cap-dot{margin-top:0;margin-bottom:16px}
  .cap h3,.cap p{grid-column:1}
  .ip-grid{grid-template-columns:1fr}
  .ip-card{padding:36px 26px 40px}
  .mods{grid-template-columns:1fr}
  .mod{border-left:0;padding:30px 0 34px}
  .mods{border-left:0}
  .four{grid-template-columns:1fr}
  .four-item,.four-item:nth-child(even){
    padding:26px 0 30px;border-right:0;
    border-bottom:1px solid var(--hair);
  }
  .four-item:last-child{border-bottom:0}

  .split{grid-template-columns:1fr;margin-top:42px}
  .split-col,.split-col:last-child{
    padding:30px 0;border-right:0;
    border-bottom:1px solid var(--hair);
  }
  .split-col:last-child{border-bottom:0}

  .cred{grid-template-columns:1fr;gap:14px;padding:26px 0}
  .cred-type{padding-top:0}

  .path li{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .path li::before{position:static;display:block;margin-bottom:8px}
  .path b{padding-left:0;font-size:20px}

  .sol-item{grid-template-columns:52px 1fr 24px;gap:18px;padding:24px 0}
  .sol-item:hover{padding-left:8px}

  .contact-grid{grid-template-columns:1fr}
  .contact-card{padding:26px 0}
  .contact-grid{border-left:0}
  .info-table > div{grid-template-columns:1fr;gap:8px}
  .info-table span{padding-top:0}

  .next{padding:66px 0}
  .next-links{grid-template-columns:1fr}
}

/* =========================================================
   内页补充定义
   ========================================================= */

/* ---------- 区块头文字列（sec-head 的右半） ---------- */
.sec-head-txt{min-width:0}
.sec-head-dark .sec-no{color:rgba(255,255,255,.3)}
.sec-head-dark .sec-title{color:#fff}

/* ---------- 首屏主列 ---------- */
.hero-main{min-width:0}

/* ---------- 双运营中心 ---------- */
.centers{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--hair-lt);border:1px solid var(--hair-lt);
}
.center{
  background:var(--blue-ink);padding:50px 46px 54px;
  transition:background .5s var(--ease);
  display:flex;flex-direction:column;
}
.center:hover{background:#0D1A3E}
.center-k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold-lt);
  display:flex;align-items:center;gap:12px;
}
.center-k::after{content:"";flex:1;height:1px;background:rgba(217,188,128,.22)}
.center h3{
  margin-top:26px;font-family:var(--serif);
  font-size:clamp(23px,2.7vw,30px);font-weight:600;
  line-height:1.36;letter-spacing:-.02em;color:#fff;
}
.center > p{
  margin-top:20px;font-size:15px;line-height:2;color:rgba(255,255,255,.62);
}
.center-list{
  list-style:none;margin-top:32px;padding-top:28px;
  border-top:1px solid var(--hair-lt);
  display:grid;grid-template-columns:1fr 1fr;gap:13px 24px;
  margin-top:auto;
}
.center-list li{
  position:relative;padding-left:22px;
  font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72);
}
.center-list li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:10px;height:1px;background:var(--gold-lt);opacity:.65;
}

/* ---------- 公司信息表（内页深色底） ---------- */
.info-table > div{
  display:grid;grid-template-columns:minmax(150px,260px) 1fr;gap:36px;
  padding:24px 0;border-bottom:1px solid var(--hair-lt);
}
.info-table span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.42);padding-top:5px;
}
.info-table b{
  font-size:16px;font-weight:600;letter-spacing:-.005em;
  color:rgba(255,255,255,.9);line-height:1.6;
}

/* ---------- 内页响应式补充 ---------- */
@media (max-width:1060px){
  .centers{grid-template-columns:1fr}
  .center{padding:40px 32px 44px}
}
@media (max-width:880px){
  .center{padding:34px 26px 38px}
  .center-list{grid-template-columns:1fr}
  .info-table > div{grid-template-columns:1fr;gap:9px}
  .info-table span{padding-top:0}
}

/* 公司实拍：首屏三联图与服务现场 */
.hero{padding-bottom:60px}
.hero h1{font-size:clamp(36px,4.25vw,60px);line-height:1.28}
.home-photo-strip{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:16px;margin-bottom:64px;position:relative;z-index:1}
.real-photo{margin:0;min-width:0}
.real-photo img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:#e6e9ed}
.real-photo figcaption{font-size:13px;line-height:1.7;color:#4A5162;padding-top:12px}
.home-photo-strip .real-photo img{height:290px;aspect-ratio:auto;object-position:center}
.home-photo-strip .real-photo:first-child img{object-position:center 45%}
.photo-section{padding:80px 0;background:#edf1f6;border-top:1px solid var(--hair)}
.photo-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:32px}
.photo-heading h2{font-family:var(--sans);font-size:clamp(27px,3vw,40px);line-height:1.4;font-weight:600;letter-spacing:-.02em;text-wrap:balance}
.photo-heading p{max-width:460px;font-size:15px;line-height:1.9;color:var(--ink-2)}
.photo-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px;align-items:start}
.photo-grid .real-photo img{aspect-ratio:4/3}
.photo-grid .real-photo:first-child img{aspect-ratio:4/3}
.photo-grid .real-photo:nth-child(2){padding-top:40px}
.photo-grid .real-photo:nth-child(3){padding-top:80px}
@media(max-width:1060px){
 .hero-wrap{gap:32px;grid-template-columns:minmax(0,1fr) 250px}
 .home-photo-strip .real-photo img{height:230px}
 .photo-grid{gap:16px}
}
@media(max-width:880px){
 .hero-wrap{grid-template-columns:1fr}
 .hero h1{font-size:clamp(30px,5.7vw,48px)}
 .home-photo-strip{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:40px}
 .home-photo-strip .real-photo:first-child{grid-column:1/-1}
 .home-photo-strip .real-photo img{height:auto;aspect-ratio:4/3}
 .home-photo-strip .real-photo:first-child img{aspect-ratio:16/9}
 .photo-heading{display:block}.photo-heading p{margin-top:16px}
 .photo-section{padding:52px 0}
 .photo-grid{grid-template-columns:1fr 1fr}
 .photo-grid .real-photo:first-child{grid-column:1/-1}
 .photo-grid .real-photo:nth-child(n){padding-top:0}
 .real-photo figcaption{font-size:12px}
}
@media(max-width:420px){
 .home-photo-strip,.photo-grid{gap:12px}
 .hero h1{font-size:clamp(25px,6.3vw,30px)}
}

/* 平台原始截图：完整展示、点击放大 */
.screen-section{padding:80px 0;background:#eaf0f9;border-top:1px solid var(--hair)}
.screen-gallery{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:28px;align-items:start}
.screen-card{min-width:0;margin:0}
.screen-open{display:flex;align-items:center;justify-content:center;position:relative;width:100%;height:480px;padding:24px;border:1px solid #ced9eb;background:#dce6f5;cursor:zoom-in;font:inherit;border-radius:4px}
.screen-open img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:0 8px 24px #142d591f}
.screen-open:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
.screen-zoom{position:absolute;right:12px;bottom:10px;padding:3px 9px;background:#fff;color:#263d67;font-size:12px;border:1px solid #d2dced}
.screen-card figcaption{padding-top:22px}
.screen-card h3{font-family:var(--sans);font-size:19px;line-height:1.5;font-weight:600}
.screen-card figcaption p{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.8}
.screen-note{margin-top:28px;font-size:13px;color:#526078;line-height:1.8}
.screen-single{grid-template-columns:minmax(0,820px)}
.screen-single .screen-open{height:520px}
.product-screen{background:transparent;border:0;padding:0;display:block}
.product-screen .screen-open{height:350px}
.screen-dialog{position:fixed;inset:0;margin:auto;width:min(1100px,94vw);max-height:94dvh;border:0;border-radius:6px;padding:20px;background:#fff;color:var(--ink)}
.screen-dialog::backdrop{background:rgba(5,16,38,.85)}
.screen-dialog-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:16px}
.screen-dialog h2{font-family:var(--sans);font-size:18px;line-height:1.5}
.screen-close{font:inherit;font-size:14px;cursor:pointer;padding:7px 15px;background:#eef2f8;border:1px solid #b9c5d7;border-radius:3px;color:#1c2a44}
.screen-dialog img{max-height:76dvh;max-width:100%;width:auto;height:auto;object-fit:contain;margin:auto}
@media(max-width:880px){
 .screen-section{padding:52px 0}.screen-gallery{grid-template-columns:1fr 1fr;gap:24px 16px}
 .screen-community{grid-column:1/-1}.screen-open{height:340px;padding:14px}
 .screen-community .screen-open{height:auto;min-height:230px}.screen-single{grid-template-columns:1fr}
 .screen-single .screen-open{height:auto;max-height:650px}.screen-single img{max-height:560px}
 .screen-card h3{font-size:17px}.screen-card figcaption p{font-size:13px}
 .screen-dialog{padding:14px}
}
@media(max-width:480px){
 .screen-gallery{grid-template-columns:1fr}.screen-open{height:440px;padding:20px}
 .screen-community .screen-open{min-height:200px}.product-screen .screen-open{height:auto}
}

/* 最新邻里e码 H5：三张等比例手机界面，完整保留实际截图。 */
.screen-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}
.screen-gallery .screen-community{grid-column:auto}
.screen-gallery .screen-open{height:520px;background:#f4efed;border-color:#e4d7d1}
.screen-single{grid-template-columns:minmax(0,560px)}
.screen-single .screen-open{height:620px}
.product-screen .screen-open{height:500px}
@media(max-width:880px){
 .screen-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
 .screen-gallery .screen-open{height:440px}
 .screen-single{grid-template-columns:minmax(0,1fr)}
 .screen-single .screen-open{height:620px}
}
@media(max-width:480px){
 .screen-gallery{grid-template-columns:minmax(0,1fr)}
 .screen-gallery .screen-open,.screen-single .screen-open{height:580px;max-height:none;padding:16px}
 .screen-single img{max-height:100%}
 .product-screen .screen-open{height:540px}
}