/* ══════════════════════════════════════
   设计令牌
══════════════════════════════════════ */
:root {
  /* 深色系 */
  --void:    #07080C;    /* 英雄底色 */
  --dark1:   #0E1018;
  --dark2:   #161820;
  --dark3:   #1E2130;
  --glass:   rgba(255,255,255,.04);
  --glassh:  rgba(255,255,255,.07);

  /* 浅色系 */
  --white:   #FFFFFF;
  --off:     #F7F7F4;    /* 略暖白 */
  --silver:  #F0F0EC;
  --rule-l:  #E6E6E2;   /* 亮区分割线 */
  --ink:     #111318;

  /* 文字 */
  --text-d:  #EEF0F5;   /* 暗区主文 */
  --muted-d: rgba(180,185,205,.5);  /* 暗区消色 */
  --text-l:  #1A1C24;
  --muted-l: #7A7C88;

  /* 强调：电光黄绿 */
  --acid:    #C9FF47;   /* 主强调 */
  --acid2:   #AADB28;   /* 深一档 */
  --acid-gl: rgba(201,255,71,.12);  /* 发光晕 */

  /* 次要强调 */
  --sky:     #4A9EFF;

  --serif-c: 'Barlow Condensed', sans-serif;
  --sans:    'Barlow', 'Noto Sans SC', sans-serif;
  --mono:    'Courier New', monospace;
  --ease:    cubic-bezier(.16,1,.3,1);
}

*, *::before, *::after { box-sizing: border-box; margin:0; padding:0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--void);
  color: var(--text-d);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }

/* ══════════════════════════════════════
   Reveal
══════════════════════════════════════ */
.rv  { opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease),transform .7s var(--ease); }
.rv.on { opacity:1; transform:none; }
.rv-l{ opacity:0; transform:translateX(-20px); transition:opacity .7s var(--ease),transform .7s var(--ease); }
.rv-l.on { opacity:1; transform:none; }
.rv-r{ opacity:0; transform:translateX(20px); transition:opacity .7s var(--ease),transform .7s var(--ease); }
.rv-r.on { opacity:1; transform:none; }
[data-d="1"]{transition-delay:.07s}[data-d="2"]{transition-delay:.14s}
[data-d="3"]{transition-delay:.21s}[data-d="4"]{transition-delay:.28s}
[data-d="5"]{transition-delay:.35s}[data-d="6"]{transition-delay:.42s}

/* ══════════════════════════════════════
   布局
══════════════════════════════════════ */
.wrap     { max-width:1240px; margin:0 auto; padding:0 52px; }

/* ══════════════════════════════════════
   导航 — 透明 / 暗区毛玻璃 / 亮区实色
══════════════════════════════════════ */
nav {
  position: fixed; top:0; left:0; right:0; z-index:600;
  height: 62px;
  transition: background .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
nav.nav-dark {
  background: rgba(7,8,12,.82);
  backdrop-filter: blur(16px);
  border-color: rgba(255,255,255,.06);
}
nav.nav-light {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-color: var(--rule-l);
}
.nav-inner {
  display:flex; align-items:center;
  justify-content:space-between; height:100%;
}
.logo {
  display:flex; align-items:center; gap:10px;
  font-family: var(--serif-c);
  font-size: 1.3rem; font-weight:800;
  letter-spacing:.04em; text-transform:uppercase;
}
.logo-badge {
  width:30px; height:30px; border-radius:6px;
  background: var(--acid);
  display:grid; place-items:center;
  font-size:.82rem; font-weight:900; color:var(--void);
  line-height:1;
}
.logo-text { color: var(--text-d); transition: color .3s; }
nav.nav-light .logo-text { color: var(--ink); }

.nav-links { display:flex; align-items:center; gap:4px; list-style:none; }
.nav-links a {
  font-family: var(--serif-c); font-size:.88rem; font-weight:600;
  letter-spacing:.1em; text-transform:uppercase;
  color: var(--muted-d); padding:7px 16px; border-radius:5px;
  transition:color .2s, background .2s;
}
.nav-links a:hover { color:var(--acid); }
nav.nav-light .nav-links a { color:var(--muted-l); }
nav.nav-light .nav-links a:hover { color:var(--ink); background:var(--silver); }

.nav-btn {
  font-family:var(--serif-c); font-size:.82rem; font-weight:800;
  letter-spacing:.12em; text-transform:uppercase;
  background: var(--acid); color:var(--void);
  padding:9px 22px; border-radius:5px;
  transition: background .2s, transform .15s;
}
.nav-btn:hover { background:var(--acid2); transform:translateY(-1px); }

/* ══════════════════════════════════════
   英雄区 — 暗色全幅
══════════════════════════════════════ */
#hero {
  position:relative; min-height:100vh;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding-top:62px; overflow:hidden;
  background: var(--void);
}

/* ── 噪点纹理层 ── */
#hero::after {
  content:'';
  position:absolute; inset:0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
  pointer-events:none; z-index:0;
}

/* ── 网格背景 ── */
#hero::before {
  content:'';
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:72px 72px;
  pointer-events:none;
}

/* ── 发光球 ── */
.hero-orb {
  position:absolute; border-radius:50%;
  pointer-events:none; z-index:1;
}
.orb1 {
  width:700px; height:700px;
  background:radial-gradient(circle, rgba(201,255,71,.09) 0%, transparent 65%);
  top:-200px; right:-100px;
}
.orb2 {
  width:500px; height:500px;
  background:radial-gradient(circle, rgba(74,158,255,.07) 0%, transparent 65%);
  bottom:-100px; left:-80px;
}
/* 小的酸绿光点 */
.orb3 {
  width:240px; height:240px;
  background:radial-gradient(circle, rgba(201,255,71,.18) 0%, transparent 60%);
  top:30%; right:18%;
  animation: orbpulse 5s ease-in-out infinite;
}
@keyframes orbpulse {
  0%,100%{opacity:.6; transform:scale(1)}
  50%{opacity:1; transform:scale(1.1)}
}

/* ── 英雄主内容 ── */
.hero-body {
  position:relative; z-index:2;
  padding:60px 0 0;
  display:grid;
  grid-template-columns:1fr 420px;
  gap:0;
  align-items:end;
}

/* 左文字区 */
.hero-text { padding:0 0 72px; }

.hero-eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--serif-c); font-size:.72rem; font-weight:700;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--acid); margin-bottom:32px;
}
.hero-eyebrow-dot {
  width:7px; height:7px; border-radius:50%;
  background:var(--acid);
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* 巨型凝缩标题 */
.hero-h1 {
  font-family: var(--serif-c);
  font-size: clamp(5rem, 11vw, 9.5rem);
  font-weight:900; line-height:.92;
  letter-spacing:-.01em; text-transform:uppercase;
  margin-bottom:36px;
}
.hero-h1 .line-normal { display:block; color:var(--text-d); }
.hero-h1 .line-acid   {
  display:block;
  color:var(--acid);
  text-shadow: 0 0 60px rgba(201,255,71,.35);
}
/* 描边文字 */
.hero-h1 .line-outline {
  display:block;
  -webkit-text-stroke: 2px rgba(238,240,245,.25);
  color:transparent;
  font-style:italic;
}

.hero-sub {
  font-size:1rem; color:var(--muted-d);
  line-height:1.78; max-width:440px;
  font-weight:300; margin-bottom:44px;
}

.hero-ctas { display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.btn-hero-primary {
  display:inline-flex; align-items:center; gap:10px;
  background:var(--acid); color:var(--void);
  padding:15px 32px; border-radius:6px;
  font-family:var(--serif-c); font-size:.9rem;
  font-weight:800; letter-spacing:.1em; text-transform:uppercase;
  box-shadow: 0 0 40px rgba(201,255,71,.25);
  transition:background .2s, box-shadow .2s, transform .2s;
}
.btn-hero-primary:hover {
  background:var(--acid2);
  box-shadow: 0 0 64px rgba(201,255,71,.4);
  transform:translateY(-2px);
}
.btn-hero-ghost {
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--serif-c); font-size:.88rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted-d);
  border:1px solid rgba(255,255,255,.12);
  padding:14px 28px; border-radius:6px;
  transition:border-color .2s, color .2s, gap .2s;
}
.btn-hero-ghost:hover { border-color:rgba(255,255,255,.3); color:var(--text-d); gap:13px; }

/* 右侧：浮动代码卡 */
.hero-visual {
  padding-bottom:72px;
  display:flex; flex-direction:column; gap:12px;
  position:relative;
}
.code-card {
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px; overflow:hidden;
  backdrop-filter:blur(8px);
  box-shadow: 0 24px 64px rgba(0,0,0,.4);
  animation: floatY 5s ease-in-out infinite;
}
.code-card:nth-child(2) { animation-delay:-2.5s; }
@keyframes floatY {
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}
.cc-bar {
  background:rgba(0,0,0,.3);
  padding:10px 16px;
  display:flex; align-items:center; gap:7px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.ccd { width:10px; height:10px; border-radius:50%; }
.cc-filename {
  margin-left:auto;
  font-family:var(--mono); font-size:.68rem;
  color:rgba(180,185,205,.4);
}
.cc-body {
  padding:16px 20px;
  font-family:var(--mono); font-size:.76rem;
  line-height:1.85; color:rgba(180,185,205,.65);
}
.ck  { color:#7DD3FC }   /* 关键字 */
.cf  { color:var(--acid) } /* 函数 */
.cs  { color:#86EFAC }   /* 字符串 */
.cm  { color:#4A5070 }   /* 注释 */
.cn  { color:#FCD34D }   /* 数字 */
.cok { color:#4ADE80 }   /* OK */

/* 小状态卡 */
.mini-card {
  background:rgba(201,255,71,.08);
  border:1px solid rgba(201,255,71,.2);
  border-radius:10px; padding:14px 18px;
  display:flex; align-items:center; gap:14px;
}
.mc-icon {
  width:36px; height:36px; border-radius:8px;
  background:rgba(201,255,71,.12);
  display:grid; place-items:center;
  font-size:1.1rem; flex-shrink:0;
}
.mc-label {
  font-family:var(--serif-c); font-size:.68rem;
  font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  color:var(--acid); display:block; margin-bottom:2px;
}
.mc-val {
  font-family:var(--serif-c); font-size:1.1rem;
  font-weight:800; color:var(--text-d);
}

/* ── 英雄底部统计条 ── */
.hero-stats {
  position:relative; z-index:2;
  border-top:1px solid rgba(255,255,255,.07);
  display:grid; grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.025);
  backdrop-filter:blur(6px);
}
.hs-item {
  padding:28px 40px;
  border-right:1px solid rgba(255,255,255,.06);
  display:flex; align-items:center; gap:20px;
  transition:background .25s;
}
.hs-item:last-child { border-right:none; }
.hs-item:hover { background:rgba(201,255,71,.04); }
.hs-num {
  font-family:var(--serif-c); font-size:2.6rem;
  font-weight:900; color:var(--text-d); line-height:1;
  letter-spacing:-.02em;
}
.hs-num em { font-style:normal; color:var(--acid); }
.hs-label {
  font-size:.72rem; color:var(--muted-d);
  letter-spacing:.08em; line-height:1.5;
  font-weight:400;
}

/* ══════════════════════════════════════
   硬切分隔：暗→亮
══════════════════════════════════════ */
.hard-cut {
  height:4px;
  background:linear-gradient(90deg, var(--acid), var(--sky), var(--acid));
}

/* ══════════════════════════════════════
   浅色区通用
══════════════════════════════════════ */
.light-zone { background: var(--white); color: var(--text-l); }
.off-zone   { background: var(--off);   color: var(--text-l); }

.eyebrow-l {
  font-family:var(--serif-c); font-size:.68rem; font-weight:700;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted-l); display:flex; align-items:center; gap:10px;
  margin-bottom:18px;
}
.eyebrow-l::before { content:''; width:24px; height:2px; background:var(--acid2); }

.section-h-l {
  font-family:var(--serif-c);
  font-size: clamp(2.4rem,4.5vw,3.8rem);
  font-weight:800; text-transform:uppercase;
  letter-spacing:-.01em; line-height:1.0;
  color:var(--ink);
}
.section-h-l em { font-style:italic; color:var(--acid2); font-weight:700; }

/* ══════════════════════════════════════
   服务板块
══════════════════════════════════════ */
#services { padding:100px 0 0; }

.svc-header {
  display:grid; grid-template-columns:1fr 1fr;
  gap:64px; align-items:end;
  padding-bottom:56px;
  border-bottom:2px solid var(--ink);
  margin-bottom:0;
}
.svc-header-right {
  font-size:.92rem; color:var(--muted-l);
  line-height:1.8; font-weight:300;
  border-left:3px solid var(--acid2); padding-left:20px;
}

/* 服务行列 */
.svc-rows { }
.svc-row {
  display:grid;
  grid-template-columns:56px 1fr auto;
  align-items:center; gap:0;
  padding:0; border-bottom:1px solid var(--rule-l);
  cursor:default; position:relative; overflow:hidden;
  transition:background .25s;
}
.svc-row::before {
  content:''; position:absolute; left:0; top:0; bottom:0;
  width:0; background:var(--acid);
  transition:width .35s var(--ease);
}
.svc-row:hover { background:var(--off); }
.svc-row:hover::before { width:4px; }
.svc-row:hover .sr-num { color:var(--acid2); }
.svc-row:hover .sr-arrow { transform:translate(5px,-5px); color:var(--acid2); }

.sr-num {
  font-family:var(--serif-c); font-size:.8rem; font-weight:700;
  color:var(--rule-l); letter-spacing:.06em;
  padding:28px 0 28px 20px;
  transition:color .25s;
}
.sr-center {
  padding:28px 24px;
  display:flex; align-items:center; gap:24px;
}
.sr-icon {
  width:44px; height:44px; border-radius:10px;
  background:var(--silver); border:1px solid var(--rule-l);
  display:grid; place-items:center; font-size:1.2rem;
  flex-shrink:0; transition:background .25s, border-color .25s;
}
.svc-row:hover .sr-icon { background:rgba(170,219,40,.15); border-color:rgba(170,219,40,.3); }
.sr-text h3 {
  font-family:var(--serif-c); font-size:1.3rem; font-weight:800;
  text-transform:uppercase; letter-spacing:.02em; color:var(--ink);
  margin-bottom:3px;
}
.sr-text p { font-size:.83rem; color:var(--muted-l); line-height:1.6; font-weight:300; }
.sr-right {
  display:flex; align-items:center; gap:16px;
  padding:0 20px 0 0;
}
.sr-badge {
  font-family:var(--serif-c); font-size:.65rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  background:var(--silver); color:var(--muted-l);
  padding:5px 14px; border-radius:50px;
  white-space:nowrap; transition:background .25s, color .25s;
}
.svc-row:hover .sr-badge { background:rgba(170,219,40,.15); color:var(--acid2); }
.sr-arrow {
  font-size:1.1rem; color:var(--rule-l);
  transition:transform .3s var(--ease), color .25s;
}

/* ══════════════════════════════════════
   暗色展示带：关于 + 技术栈
══════════════════════════════════════ */
#about {
  background:var(--dark1);
  padding:0;
  border-top:4px solid var(--acid);
}
.about-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  min-height:600px;
}
.about-left {
  padding:88px 64px 88px 52px;
  border-right:1px solid rgba(255,255,255,.06);
  display:flex; flex-direction:column; justify-content:space-between;
  position:relative; overflow:hidden;
}
/* 装饰大字 */
.about-bg-text {
  position:absolute; bottom:-20px; left:-10px;
  font-family:var(--serif-c); font-size:11rem; font-weight:900;
  text-transform:uppercase; letter-spacing:-.03em;
  color:rgba(255,255,255,.025); line-height:1;
  pointer-events:none; user-select:none; white-space:nowrap;
  font-style:italic;
}
.about-l-top { position:relative; z-index:1; }
.about-h {
  font-family:var(--serif-c);
  font-size:clamp(2.8rem,5vw,4.2rem);
  font-weight:900; text-transform:uppercase;
  letter-spacing:-.01em; line-height:.95;
  color:var(--text-d); margin-bottom:28px;
}
.about-h span { color:var(--acid); display:block; }
.about-sub { font-size:.9rem; color:var(--muted-d); line-height:1.8; font-weight:300; max-width:380px; }
.about-l-bottom { position:relative; z-index:1; }
/* 价值项 */
.value-list { display:flex; flex-direction:column; gap:0; }
.vl-item {
  display:flex; gap:18px; align-items:flex-start;
  padding:18px 0; border-bottom:1px solid rgba(255,255,255,.06);
}
.vl-item:first-child { border-top:1px solid rgba(255,255,255,.06); }
.vl-n {
  font-family:var(--serif-c); font-size:.7rem; font-weight:700;
  color:var(--acid); min-width:20px; padding-top:3px;
  letter-spacing:.06em;
}
.vl-text h4 {
  font-family:var(--serif-c); font-size:.95rem; font-weight:800;
  text-transform:uppercase; letter-spacing:.06em;
  color:var(--text-d); margin-bottom:4px;
}
.vl-text p { font-size:.82rem; color:var(--muted-d); line-height:1.65; font-weight:300; }

.about-right {
  padding:88px 52px 88px 64px;
  display:flex; flex-direction:column; justify-content:center;
}
/* 技术栈 */
.stack-label {
  font-family:var(--serif-c); font-size:.7rem; font-weight:700;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted-d); margin-bottom:28px;
  display:flex; align-items:center; gap:10px;
}
.stack-label::after { content:''; flex:1; height:1px; background:rgba(255,255,255,.07); }
.stack-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:8px; margin-bottom:40px;
}
.st {
  background:var(--glass); border:1px solid rgba(255,255,255,.07);
  border-radius:8px; padding:14px 16px;
  font-family:var(--serif-c); font-size:.82rem; font-weight:700;
  letter-spacing:.06em; text-transform:uppercase;
  color:var(--muted-d);
  transition:background .2s, border-color .2s, color .2s;
  cursor:default; text-align:center;
}
.st:hover { background:var(--acid-gl); border-color:rgba(201,255,71,.25); color:var(--acid); }

/* 关于数字行 */
.about-nums {
  display:grid; grid-template-columns:repeat(2,1fr);
  gap:1px; background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.06); border-radius:12px;
  overflow:hidden;
}
.an-item {
  background:var(--dark1); padding:24px 28px;
  text-align:center;
  transition:background .2s;
}
.an-item:hover { background:rgba(201,255,71,.04); }
.an-num {
  font-family:var(--serif-c); font-size:2.4rem;
  font-weight:900; color:var(--acid); line-height:1;
  margin-bottom:6px; letter-spacing:-.02em;
}
.an-label { font-size:.7rem; color:var(--muted-d); letter-spacing:.1em; text-transform:uppercase; }

/* ══════════════════════════════════════
   客户评价 — 浅色
══════════════════════════════════════ */
#testimonials {
  padding:100px 0;
  background:var(--off);
  border-top:4px solid var(--ink);
}
.testi-header {
  display:flex; justify-content:space-between;
  align-items:flex-end; margin-bottom:56px;
  padding-bottom:32px; border-bottom:2px solid var(--ink);
  flex-wrap:wrap; gap:20px;
}
.testi-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.tc-card {
  background:var(--white);
  border:1.5px solid var(--rule-l);
  border-radius:12px; padding:36px;
  position:relative; overflow:hidden;
  transition:border-color .25s, box-shadow .25s, transform .25s;
}
.tc-card::after {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--acid),var(--sky));
  transform:scaleX(0); transform-origin:left;
  transition:transform .4s var(--ease);
}
.tc-card:hover { border-color:transparent; box-shadow:0 8px 40px rgba(0,0,0,.1); transform:translateY(-4px); }
.tc-card:hover::after { transform:scaleX(1); }

.tc-stars { color:var(--acid2); font-size:.88rem; letter-spacing:3px; margin-bottom:16px; }
.tc-quote {
  font-family:var(--serif-c); font-size:2.8rem;
  font-weight:900; color:var(--rule-l); line-height:.7;
  margin-bottom:14px;
}
.tc-text {
  font-size:.92rem; color:var(--muted-l);
  line-height:1.78; margin-bottom:24px; font-weight:300;
}
.tc-author { display:flex; align-items:center; gap:13px; }
.tc-av {
  width:42px; height:42px; border-radius:50%;
  display:grid; place-items:center;
  font-family:var(--serif-c); font-weight:800;
  font-size:.9rem; color:var(--void); flex-shrink:0;
  background:var(--acid);
}
.tc-name { font-size:.88rem; font-weight:600; color:var(--ink); }
.tc-role { font-size:.76rem; color:var(--muted-l); font-weight:300; }

/* ══════════════════════════════════════
   合作伙伴 — 浅色
══════════════════════════════════════ */
#partners {
  padding:64px 0;
  background:var(--white);
  border-top:1px solid var(--rule-l);
  border-bottom:1px solid var(--rule-l);
  overflow:hidden;
}
.partners-top {
  text-align:center; margin-bottom:40px;
  font-family:var(--serif-c); font-size:.68rem; font-weight:700;
  letter-spacing:.2em; text-transform:uppercase; color:var(--muted-l);
}
.mq-wrap { overflow:hidden; }
.mq-row { display:flex; width:max-content; animation:mqs 26s linear infinite; }
@keyframes mqs { to{ transform:translateX(-50%); } }
.mq-pill {
  display:flex; align-items:center; gap:10px;
  margin:0 8px; padding:10px 24px;
  background:var(--silver); border:1px solid var(--rule-l); border-radius:50px;
  font-family:var(--serif-c); font-size:.85rem; font-weight:700;
  letter-spacing:.04em; color:var(--muted-l);
  white-space:nowrap; transition:background .2s, color .2s;
}
.mq-pill:hover { background:rgba(170,219,40,.12); color:var(--acid2); border-color:rgba(170,219,40,.3); }
.mq-dot { width:5px; height:5px; border-radius:50%; background:var(--acid2); opacity:.6; }

/* ══════════════════════════════════════
   新闻资讯 — 浅色
══════════════════════════════════════ */
#news {
  padding:100px 0;
  background:var(--off);
  border-top:1px solid var(--rule-l);
}
.news-header {
  display:flex; justify-content:space-between;
  align-items:flex-end; margin-bottom:48px;
  flex-wrap:wrap; gap:16px;
}
.news-grid {
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr;
  gap:16px;
}
.nc {
  background:var(--white); border:1.5px solid var(--rule-l);
  border-radius:12px; overflow:hidden;
  transition:border-color .25s, box-shadow .25s, transform .25s;
}
.nc:hover { border-color:var(--acid2); box-shadow:0 8px 32px rgba(0,0,0,.08); transform:translateY(-3px); }
.nc-thumb {
  height:160px; display:flex; align-items:center;
  justify-content:center; font-size:2.8rem;
  position:relative; overflow:hidden;
}
.nc:first-child .nc-thumb { height:200px; }
.nth { position:absolute; inset:0; }
.nt1 { background:linear-gradient(135deg,#0E1018,#1E2130); }
.nt2 { background:linear-gradient(135deg,#F7FEE7,#ECFCCB); }
.nt3 { background:linear-gradient(135deg,#EFF6FF,#DBEAFE); }
.nc-body { padding:22px; }
.nc-tag {
  font-family:var(--serif-c); font-size:.65rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--acid2); display:block; margin-bottom:10px;
}
.nc h3 {
  font-family:var(--serif-c); font-size:1.05rem; font-weight:800;
  text-transform:uppercase; letter-spacing:.02em;
  color:var(--ink); line-height:1.3; margin-bottom:9px;
}
.nc p { font-size:.82rem; color:var(--muted-l); line-height:1.65; font-weight:300; }
.nc-meta { font-size:.72rem; color:var(--muted-l); margin-top:10px; letter-spacing:.04em; }
.nc-link {
  display:inline-flex; align-items:center; gap:5px;
  font-family:var(--serif-c); font-size:.72rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  color:var(--acid2); margin-top:12px; transition:gap .2s;
}
.nc:hover .nc-link { gap:9px; }

/* ══════════════════════════════════════
   CTA — 暗色回归
══════════════════════════════════════ */
#cta {
  background:var(--void);
  padding:0;
  border-top:4px solid var(--acid);
  position:relative; overflow:hidden;
}
/* 背景光晕 */
#cta::before {
  content:''; position:absolute;
  width:900px; height:500px; border-radius:50%;
  background:radial-gradient(ellipse,rgba(201,255,71,.06) 0%,transparent 65%);
  top:50%; left:50%; transform:translate(-50%,-50%);
  pointer-events:none;
}
/* 网格 */
#cta::after {
  content:''; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:72px 72px; pointer-events:none;
}
.cta-grid {
  display:grid; grid-template-columns:1fr 1fr;
  position:relative; z-index:1;
}
.cta-left {
  padding:100px 64px 100px 52px;
  border-right:1px solid rgba(255,255,255,.06);
  display:flex; flex-direction:column; justify-content:center;
}
.cta-eyebrow {
  font-family:var(--serif-c); font-size:.7rem; font-weight:700;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--acid); display:flex; align-items:center; gap:10px;
  margin-bottom:28px;
}
.cta-eyebrow::after { content:''; flex:1; max-width:28px; height:2px; background:var(--acid); }
.cta-h {
  font-family:var(--serif-c);
  font-size:clamp(3rem,5.5vw,4.8rem);
  font-weight:900; text-transform:uppercase;
  letter-spacing:-.01em; line-height:.95;
  color:var(--text-d); margin-bottom:28px;
}
.cta-h span { color:var(--acid); display:block; }
.cta-sub {
  font-size:.9rem; color:var(--muted-d); line-height:1.8;
  font-weight:300; max-width:380px; margin-bottom:44px;
}
.cta-btns { display:flex; gap:14px; flex-wrap:wrap; }
.btn-cta {
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--serif-c); font-size:.88rem; font-weight:800;
  letter-spacing:.1em; text-transform:uppercase;
  background:var(--acid); color:var(--void);
  padding:14px 30px; border-radius:6px;
  box-shadow:0 0 40px rgba(201,255,71,.2);
  transition:background .2s, box-shadow .2s, transform .2s;
}
.btn-cta:hover { background:var(--acid2); box-shadow:0 0 60px rgba(201,255,71,.35); transform:translateY(-2px); }
.btn-cta-ghost {
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--serif-c); font-size:.85rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted-d); border:1px solid rgba(255,255,255,.12);
  padding:13px 28px; border-radius:6px;
  transition:border-color .2s, color .2s;
}
.btn-cta-ghost:hover { border-color:rgba(255,255,255,.3); color:var(--text-d); }

.cta-right {
  padding:100px 52px 100px 64px;
  display:flex; flex-direction:column; gap:20px; justify-content:center;
}
.contact-card {
  background:var(--glass); border:1px solid rgba(255,255,255,.07);
  border-radius:10px; padding:22px 24px;
  display:flex; align-items:center; gap:16px;
  transition:background .2s, border-color .2s;
  cursor:default;
}
.contact-card:hover { background:var(--glassh); border-color:rgba(201,255,71,.2); }
.cc-ico {
  width:44px; height:44px; border-radius:9px;
  background:rgba(201,255,71,.08); border:1px solid rgba(201,255,71,.15);
  display:grid; place-items:center; font-size:1.1rem; flex-shrink:0;
}
.cc-lab {
  font-family:var(--serif-c); font-size:.62rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--acid); display:block; margin-bottom:3px;
}
.cc-val { font-size:.88rem; color:var(--text-d); font-weight:300; }

/* ══════════════════════════════════════
   页脚
══════════════════════════════════════ */
footer {
  background:var(--dark1);
  border-top:1px solid rgba(255,255,255,.06);
  padding:72px 0 36px;
}
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px; margin-bottom:52px;
}
.footer-logo { margin-bottom:14px; }
.footer-brand p {
  font-size:.83rem; color:var(--muted-d); line-height:1.85;
  font-weight:300; max-width:280px; margin-top:12px;
}
.fc h5 {
  font-family:var(--serif-c); font-size:.68rem; font-weight:700;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--muted-d); margin-bottom:20px;
}
.fc ul { list-style:none; }
.fc li { margin-bottom:12px; }
.fc a { font-size:.83rem; color:rgba(180,185,205,.4); font-weight:300; transition:color .2s; }
.fc a:hover { color:var(--acid); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.06); padding-top:26px;
  display:flex; justify-content:space-between;
  align-items:center; flex-wrap:wrap; gap:12px;
  font-size:.75rem; color:rgba(180,185,205,.3);
}
.footer-socials { display:flex; gap:10px; }
.fs {
  width:34px; height:34px; border-radius:7px;
  background:var(--glass); border:1px solid rgba(255,255,255,.07);
  display:grid; place-items:center;
  font-size:.8rem; color:var(--muted-d);
  transition:background .2s, color .2s, border-color .2s;
}
.fs:hover { background:var(--acid-gl); border-color:rgba(201,255,71,.3); color:var(--acid); }

/* ══════════════════════════════════════
   响应式
══════════════════════════════════════ */
@media (max-width:1024px) {
  .hero-body { grid-template-columns:1fr; }
  .hero-visual { display:none; }
  .hero-stats { grid-template-columns:repeat(2,1fr); }
  .about-grid { grid-template-columns:1fr; }
  .about-left { border-right:none; border-bottom:1px solid rgba(255,255,255,.06); }
  .news-grid { grid-template-columns:1fr 1fr; }
  .news-grid .nc:first-child { grid-column:span 2; }
  .cta-grid { grid-template-columns:1fr; }
  .cta-right { border-top:1px solid rgba(255,255,255,.06); padding-top:48px; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
  .wrap { padding:0 20px; }
  .nav-links { display:none; }
  .hero-h1 { font-size:4.5rem; }
  .hero-stats { grid-template-columns:1fr 1fr; }
  .svc-header { grid-template-columns:1fr; gap:20px; }
  .svc-row { grid-template-columns:40px 1fr; }
  .sr-right { display:none; }
  .testi-grid { grid-template-columns:1fr; }
  .about-grid { grid-template-columns:1fr; }
  .stack-grid { grid-template-columns:repeat(2,1fr); }
  .about-nums { grid-template-columns:repeat(2,1fr); }
  .news-grid { grid-template-columns:1fr; }
  .news-grid .nc:first-child { grid-column:span 1; }
  .footer-grid { grid-template-columns:1fr; }
  .cta-left { padding:72px 20px; }
  .cta-right { padding:48px 20px; }
}