/* ============================================================
   蓝象科技 · 官网 v0.4.2 设计系统
   方向：编辑式排版 × 幻方法阵 × 暖纸 × 深墨蓝
   ============================================================ */

/* ---------- 字体 ---------- */
@font-face{
  font-family:'Fraunces';
  src:url('../fonts/fraunces-latin.woff2') format('woff2');
  font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Fraunces';
  src:url('../fonts/fraunces-latin-ext.woff2') format('woff2');
  font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7,U+02CC-02D6,U+02E5-02EB,U+02EC,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'Space Grotesk';
  src:url('../fonts/sg-latin.woff2') format('woff2');
  font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Space Grotesk';
  src:url('../fonts/sg-latin-ext.woff2') format('woff2');
  font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7,U+02CC-02D6,U+02E5-02EB,U+02EC,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

@font-face{
  font-family:'LXHeading';
  src:url('../fonts/lx-heading-700.woff2') format('woff2');
  font-weight:700;font-style:normal;font-display:swap;
  unicode-range:U+2E80-2EFF,U+3000-303F,U+3400-4DBF,U+4E00-9FFF,U+FF00-FFEF;
}

/* ---------- 变量 ---------- */
:root{
  --paper:#f5f2ea;
  --paper-2:#efe9dd;
  --ink:#0a1a2f;
  --ink-2:#132b4a;
  --blue:#1d4fd7;
  --blue-deep:#173fae;
  --sky:#a8c7fa;
  --gold:#8a6a24;
  --muted:#5a6879;
  --line:rgba(10,26,47,.14);
  --line-dark:rgba(245,242,234,.16);
  --display:'Fraunces','LXHeading','Songti SC','Noto Serif SC',serif;
  --ui:'Space Grotesk','PingFang SC','Microsoft YaHei',sans-serif;
  --maxw:1240px;
  --ease:cubic-bezier(.22,1,.36,1);
  --radius:18px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ui);color:var(--ink);background:var(--paper);
  line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* 颗粒噪点 */
body::after{
  content:"";position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}
::selection{background:var(--blue);color:var(--paper)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}

.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,4vw,48px)}

/* 滚动进度条 */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--blue),var(--gold));z-index:1001;transition:width .1s linear}

h1,h2,.big-quote{font-family:var(--display);font-weight:700;letter-spacing:.01em}

/* ---------- 页头 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .45s var(--ease),box-shadow .45s var(--ease),backdrop-filter .45s;
}
.site-header.scrolled{background:rgba(245,242,234,.82);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:19px;letter-spacing:.02em}
.brand-img{width:40px;height:40px;border-radius:12px;box-shadow:0 4px 14px rgba(10,26,47,.18);transition:transform .5s var(--ease)}
.brand:hover .brand-img{transform:rotate(-8deg) scale(1.06)}
.brand-latin{font-family:var(--display);font-weight:500;font-size:12px;letter-spacing:.32em;color:var(--muted);display:block;margin-top:-4px}
.site-nav{display:flex;align-items:center;gap:clamp(18px,3vw,40px)}
.site-nav a{position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;transition:color .3s}
.site-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--blue);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.site-nav a:hover,.site-nav a.active{color:var(--ink)}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1);transform-origin:left}
.nav-cta{border:1.5px solid var(--ink);border-radius:999px;padding:9px 22px !important;color:var(--ink) !important;font-weight:600;transition:background .35s var(--ease),color .35s var(--ease),transform .35s var(--ease)}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--ink);color:var(--paper) !important;transform:translateY(-2px)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink);width:44px;height:44px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 34px;border-radius:999px;font-family:var(--ui);
  font-size:15px;font-weight:600;letter-spacing:.03em;cursor:pointer;border:none;
  position:relative;overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s var(--ease),background .35s;
}
.btn .arr{transition:transform .45s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(245,242,234,.18) 50%,transparent 70%);transform:translateX(-110%);transition:transform .8s var(--ease)}
.btn-primary:hover::before{transform:translateX(110%)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(10,26,47,.28)}
.btn-accent{background:var(--blue);color:#fff}
.btn-accent:hover{background:var(--blue-deep);transform:translateY(-3px);box-shadow:0 16px 34px rgba(29,79,215,.35)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-3px)}
.band-dark .btn-ghost{border-color:var(--line-dark);color:var(--paper)}
.band-dark .btn-ghost:hover{border-color:var(--paper)}

/* ---------- 动效工具 ---------- */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0)*90ms)}
[data-reveal="mask"]{opacity:1;transform:none;clip-path:inset(0 100% 0 0);transition:clip-path 1.1s var(--ease);transition-delay:calc(var(--i,0)*120ms)}
[data-reveal].is-in{opacity:1;transform:none;clip-path:inset(0 0 0 0)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;clip-path:none}
  .ms .cell{animation:cellglow 20s linear infinite !important}
  .ticker-track span:nth-child(2){display:none}
}
/* 跳主内容（键盘无障碍） */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:12px 20px;z-index:1100;border-radius:0 0 12px 0;font-size:14px}
.skip-link:focus{left:0}

/* 产品矩阵 */
.matrix{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(16px,2vw,24px)}
.pcard{
  grid-column:span 3;display:flex;flex-direction:column;gap:12px;
  background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(22px,2.6vw,32px);position:relative;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s;
}
.pcard::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.pcard:hover{transform:translateY(-8px);box-shadow:0 30px 60px -20px rgba(10,26,47,.22);border-color:rgba(29,79,215,.35)}
.pcard:hover::after{transform:scaleX(1)}
.pcat{font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:600}
.pcat b{color:var(--gold);font-weight:600}
.pcard h3{font-size:21px;font-weight:700}
.pcard p{color:var(--muted);font-size:14.5px;flex:1}
.pmore{font-size:14px;font-weight:600;color:var(--blue);display:inline-flex;gap:8px;transition:gap .3s var(--ease)}
.pcard:hover .pmore{gap:14px}
.pcard.flag{grid-column:span 6;flex-direction:row;align-items:center;justify-content:space-between;gap:clamp(20px,4vw,60px);flex-wrap:wrap;background:linear-gradient(135deg,rgba(29,79,215,.06),rgba(201,163,92,.05)),rgba(255,255,255,.7)}
.pcard.flag h3{font-size:clamp(24px,2.6vw,32px)}
.flag-chips{margin-top:10px}
.matrix-nav{display:flex;flex-wrap:wrap;gap:10px;margin:-20px 0 44px}
.matrix-nav a{font-size:13px;letter-spacing:.06em;border:1px solid var(--line);border-radius:999px;padding:7px 16px;color:var(--muted);transition:border-color .3s,color .3s,background .3s}
.matrix-nav a:hover{border-color:var(--blue);color:var(--blue);background:rgba(29,79,215,.05)}
#emr,#mix,#kino,#kefu,#oa{scroll-margin-top:110px}

/* 模块锚点防遮挡 */
.module-row{scroll-margin-top:130px}

/* 静态模式（?static=1，供爬虫/截图） */
.is-static .hero{min-height:0;padding-top:130px;padding-bottom:70px}
.is-static .ticker-track{animation:none}

/* ---------- 首页 HERO ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:140px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg .grid-lines{position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 70% 40%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 90% 70% at 70% 40%,#000 30%,transparent 75%);opacity:.5}
.hero-bg .glow{position:absolute;border-radius:50%;filter:blur(90px)}
.hero-bg .g1{width:560px;height:560px;background:rgba(29,79,215,.16);top:-160px;right:-80px;animation:drift 14s ease-in-out infinite alternate}
.hero-bg .g2{width:420px;height:420px;background:rgba(201,163,92,.14);bottom:-140px;left:-100px;animation:drift 18s ease-in-out infinite alternate-reverse}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(-60px,40px) scale(1.12)}}

.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(30px,6vw,80px);align-items:center;width:100%}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;margin-bottom:26px}
.hero-eyebrow::before{content:"";width:34px;height:1.5px;background:var(--gold)}
.hero h1{font-weight:700;font-size:clamp(38px,5.6vw,72px);line-height:1.14;letter-spacing:.01em}
.hero h1 [data-reveal]{display:inline-block}
.hero h1 .latin{font-family:var(--display);font-weight:500;font-style:italic;color:var(--blue)}
.hero-sub{margin:26px 0 40px;font-size:clamp(16px,1.4vw,19px);color:var(--muted);max-width:34em}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-scroll{position:absolute;left:clamp(20px,4vw,48px);bottom:34px;display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.28em;color:var(--muted)}
.hero-scroll .rail{width:1.5px;height:46px;background:var(--line);position:relative;overflow:hidden}
.hero-scroll .rail::after{content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--blue);animation:railrun 2.2s var(--ease) infinite}
@keyframes railrun{to{top:100%}}

/* 幻方法阵 */
.ms-wrap{position:relative;display:flex;justify-content:center}
.ms{
  display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.6vw,18px);
  width:min(400px,86vw);aspect-ratio:1;position:relative;
}
.ms .cell{
  background:rgba(255,255,255,.55);border:1px solid var(--line);border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-size:clamp(22px,3.4vw,40px);font-weight:600;color:var(--ink);
  box-shadow:0 10px 26px rgba(10,26,47,.06);
  animation:cellglow 6.3s var(--ease) infinite;animation-delay:var(--d);
  transition:transform .4s var(--ease);
}
.ms .cell:hover{transform:translateY(-6px) rotate(2deg)}
.ms .cell.center{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.ms .cell.ele{background:#fff;border-color:var(--blue);overflow:hidden;box-shadow:0 10px 26px rgba(29,79,215,.25)}
.ms .cell.ele img{width:82%;border-radius:12px}
@keyframes cellglow{0%,86%,100%{box-shadow:0 10px 26px rgba(10,26,47,.06);border-color:var(--line)}
  43%{box-shadow:0 0 0 2px rgba(29,79,215,.35),0 14px 30px rgba(29,79,215,.18);border-color:rgba(29,79,215,.5)}}
.ms-caption{position:absolute;bottom:-40px;right:8px;max-width:100%;font-size:12px;letter-spacing:.2em;color:var(--muted)}
.ms-caption b{color:var(--blue);font-weight:600}

/* ---------- 跑马灯 ---------- */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);overflow:hidden;padding:18px 0}
.ticker-track{display:flex;gap:0;width:max-content;animation:tick 30s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{display:inline-flex;align-items:center;gap:34px;padding-right:34px;font-size:14px;letter-spacing:.24em;color:var(--muted);white-space:nowrap;font-weight:500}
.ticker-track i{font-style:normal;color:var(--gold)}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- 通用区块 ---------- */
.kicker{font-size:13px;letter-spacing:.26em;color:var(--blue);text-transform:uppercase;font-weight:600;display:block;margin-bottom:10px}
.section{padding:clamp(80px,11vw,150px) 0}
.section.alt{background:var(--paper-2)}
.band-dark{background:var(--ink);color:var(--paper);--gold:#c9a35c;--line:var(--line-dark)}
.band-dark .section-head .kicker{color:var(--gold)}
.band-dark .section-head h2{color:var(--paper)}
.band-dark p{color:#b9c5d6}
.sec-label{font-family:var(--display);font-size:13px;letter-spacing:.3em;color:var(--muted);text-transform:uppercase}
.section-head{display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,4vw,60px);align-items:end;margin-bottom:clamp(40px,6vw,80px)}
.section-head .kicker{font-size:13px;letter-spacing:.26em;color:var(--blue);text-transform:uppercase;font-weight:600;margin-bottom:14px;display:block}
.section-head h2{font-size:clamp(28px,3.8vw,48px);line-height:1.2;font-weight:700;letter-spacing:.01em}
.section-head .note-col{max-width:30em;color:var(--muted);font-size:15px;justify-self:end;align-self:end}

/* 编辑式编号特性列表 */
.feature-list{border-top:1px solid var(--line)}
.feature-item{
  display:grid;grid-template-columns:96px minmax(0,1.1fr) minmax(0,1.6fr);
  gap:clamp(16px,3vw,44px);align-items:baseline;
  padding:clamp(26px,3.4vw,44px) 0;border-bottom:1px solid var(--line);
  position:relative;transition:padding-left .5s var(--ease);
}
.feature-item::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(29,79,215,.06),transparent 55%);opacity:0;transition:opacity .5s var(--ease);pointer-events:none}
.feature-item:hover::before{opacity:1}
.feature-item:hover{padding-left:18px}
.feature-item .num{font-family:var(--display);font-size:clamp(30px,3.4vw,46px);font-weight:500;color:transparent;-webkit-text-stroke:1.4px var(--ink);transition:-webkit-text-stroke .4s,color .4s}
.feature-item:hover .num{color:var(--blue);-webkit-text-stroke:1.4px var(--blue)}
.feature-item h3{font-size:clamp(19px,2vw,25px);font-weight:700;letter-spacing:.01em}
.feature-item h3 em{font-family:var(--display);font-style:italic;font-weight:500;color:var(--muted);font-size:.72em;margin-left:10px}
.feature-item p{color:var(--muted);font-size:15.5px;max-width:34em}

/* 产品 split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(36px,6vw,90px);align-items:center}
.split .checklist li{padding:10px 0 10px 34px;position:relative;font-size:16px}
.split .checklist li::before{content:"✦";position:absolute;left:0;top:10px;color:var(--gold);font-size:14px}
.mock-window{
  background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;
  box-shadow:0 40px 90px -30px rgba(10,26,47,.35);transform:perspective(1200px) rotateY(-6deg) rotateX(2deg);
  transition:transform .8s var(--ease);
}
.mock-window:hover{transform:perspective(1200px) rotateY(0) rotateX(0)}
.mock-bar{display:flex;gap:7px;padding:15px 18px;border-bottom:1px solid var(--line);align-items:center}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:var(--line)}
.mock-bar i:first-child{background:#ff6b6b}.mock-bar i:nth-child(2){background:#f7c948}.mock-bar i:nth-child(3){background:#4cc26b}
.mock-bar b{margin-left:auto;font-size:11px;letter-spacing:.2em;color:var(--muted);font-weight:500}
.mock-body{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:auto auto;gap:14px;padding:20px}
.mock-tile{border-radius:14px;padding:16px;background:var(--paper);border:1px solid var(--line)}
.mock-tile h5{font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:600;margin-bottom:10px}
.mock-tile.wide{grid-column:1/-1}
.bars{display:flex;align-items:flex-end;gap:8px;height:74px}
.bars span{flex:1;border-radius:5px 5px 2px 2px;background:linear-gradient(180deg,var(--sky),var(--blue));animation:bargrow 1.2s var(--ease) backwards;transform-origin:bottom}
.bars span:nth-child(2){animation-delay:.08s}.bars span:nth-child(3){animation-delay:.16s}.bars span:nth-child(4){animation-delay:.24s}.bars span:nth-child(5){animation-delay:.32s}.bars span:nth-child(6){animation-delay:.4s}.bars span:nth-child(7){animation-delay:.48s}
@keyframes bargrow{from{transform:scaleY(0)}}
.mock-tile .kv{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);padding:5px 0;border-bottom:1px dashed var(--line)}
.mock-tile .kv:last-child{border:none}
.mock-tile .kv b{color:var(--ink);font-family:var(--display);font-weight:600}
.pulse-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#4cc26b;margin-right:6px;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(76,194,107,.4)}50%{box-shadow:0 0 0 6px rgba(76,194,107,0)}}

/* 数据带 */
.stats-kicker{margin-bottom:10px;display:block;color:var(--gold)}
.stats-title{font-size:clamp(22px,2.6vw,32px);margin:0 0 34px;font-weight:700}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px)}
.stat{border-left:1px solid var(--line-dark);padding-left:clamp(16px,2.4vw,34px)}
.stat .n{font-family:var(--display);font-size:clamp(44px,5.6vw,76px);font-weight:600;line-height:1;color:var(--paper)}
.stat .n small{font-size:.42em;color:var(--gold);margin-left:6px;font-weight:500}
.stat p{margin-top:12px;font-size:14px;color:#93a5bd;letter-spacing:.06em}

/* 关于 teaser */
.about-teaser .big-quote{font-size:clamp(22px,2.8vw,34px);line-height:1.5;font-weight:600;letter-spacing:.01em;max-width:22em}
.about-teaser .big-quote em{font-style:normal;font-weight:700;color:var(--blue)}
.link-more{display:inline-flex;align-items:center;gap:10px;margin-top:30px;font-weight:600;font-size:15px;color:var(--blue);border-bottom:1.5px solid transparent;transition:border-color .3s,gap .3s var(--ease)}
.link-more:hover{border-color:var(--blue);gap:16px}

/* CTA band */
.cta-band{padding:clamp(80px,10vw,130px) 0;text-align:center;position:relative;overflow:hidden}
.cta-band h2{font-size:clamp(34px,5.4vw,64px);font-weight:700;line-height:1.25;letter-spacing:.01em}
.cta-band h2 em{font-style:normal;font-weight:700;color:var(--gold)}
.cta-band p{margin:20px auto 40px;max-width:30em;color:#b9c5d6}
.cta-band .halo{position:absolute;left:50%;top:0;transform:translateX(-50%);width:640px;height:340px;background:radial-gradient(ellipse at 50% 0,rgba(29,79,215,.28),transparent 70%);filter:blur(30px);pointer-events:none}

/* ---------- 内页头 ---------- */
.page-head{position:relative;padding:calc(84px + clamp(60px,9vw,110px)) 0 clamp(50px,7vw,90px);overflow:hidden}
.page-head .grid-lines{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:72px 72px;-webkit-mask-image:radial-gradient(ellipse 80% 90% at 80% 20%,#000 20%,transparent 70%);mask-image:radial-gradient(ellipse 80% 90% at 80% 20%,#000 20%,transparent 70%);opacity:.45}
.page-head .kicker{font-size:13px;letter-spacing:.26em;color:var(--blue);text-transform:uppercase;font-weight:600;margin-bottom:16px;display:inline-block}
.page-head h1{font-size:clamp(36px,5.4vw,64px);font-weight:700;line-height:1.16;letter-spacing:.01em;position:relative}
.page-head h1 .latin{font-family:var(--display);font-style:italic;font-weight:500;color:var(--muted);font-size:.55em;display:block;margin-top:10px;letter-spacing:.04em}
.page-head p.lead{margin-top:22px;max-width:36em;color:var(--muted);font-size:clamp(15px,1.4vw,18px)}

/* ---------- 内页组件 ---------- */
.prose p{margin-bottom:18px;color:#37455a;max-width:44em}
.prose h2{font-size:clamp(24px,3vw,36px);margin:clamp(44px,6vw,72px) 0 22px;font-weight:700}
.prose h2::before{content:attr(data-num);font-family:var(--display);font-style:normal;font-weight:700;color:var(--gold);margin-right:16px;font-size:.8em}
.pull-quote{margin:clamp(40px,6vw,70px) 0;padding:clamp(28px,4vw,48px) 0;border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);font-size:clamp(19px,2.4vw,28px);line-height:1.6;font-weight:600}
.pull-quote em{font-style:normal;font-weight:700;color:var(--blue)}
.pull-quote cite{display:block;margin-top:14px;font-size:13px;font-style:normal;letter-spacing:.14em;color:var(--muted);font-weight:500}

.grid{display:grid;gap:clamp(16px,2vw,26px)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,3vw,38px);position:relative;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s;
}
.card::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.card:hover{transform:translateY(-8px);box-shadow:0 30px 60px -20px rgba(10,26,47,.22);border-color:rgba(29,79,215,.35)}
.card:hover::after{transform:scaleX(1)}
.card .tag{font-family:var(--display);font-size:12px;letter-spacing:.24em;color:var(--muted);text-transform:uppercase}
.card h3{font-size:20px;font-weight:700;margin:10px 0 12px}
.card p{color:var(--muted);font-size:15px}

.timeline{margin-top:20px}
.timeline li{position:relative;padding:0 0 34px 34px;border-left:1.5px solid var(--line)}
.timeline li::before{content:"";position:absolute;left:-6.5px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2.5px solid var(--blue)}
.timeline li:last-child{padding-bottom:0}
.timeline .tl-date{font-family:var(--display);font-weight:600;color:var(--blue);letter-spacing:.06em;margin-right:12px}

/* 产品模块行 */
.module-row{display:grid;grid-template-columns:70px minmax(0,1fr) minmax(0,1.3fr);gap:clamp(14px,3vw,40px);padding:clamp(22px,3vw,36px) 0;border-bottom:1px solid var(--line);align-items:baseline}
.module-row:first-of-type{border-top:1px solid var(--line)}
.module-row .mnum{font-family:var(--display);font-style:italic;color:var(--gold);font-size:19px}
.module-row h3{font-size:clamp(19px,2vw,24px);font-weight:700}
.module-row p{color:var(--muted);font-size:15.5px}
.chip{display:inline-block;font-size:12px;letter-spacing:.08em;border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin:4px 6px 0 0;color:var(--muted);transition:border-color .3s,color .3s}
.chip:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,6vw,90px);align-items:start}
.contact-list li{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);font-size:16px}
.contact-list strong{font-size:12.5px;letter-spacing:.2em;color:var(--muted);font-weight:600;text-transform:uppercase;white-space:nowrap}
.contact-list a,.contact-list span.v{color:var(--ink);font-weight:500}
.contact-list a{border-bottom:1.5px solid transparent;transition:border-color .3s}
.contact-list a:hover{border-color:var(--blue)}
.lead-form{display:grid;gap:20px;background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,3.6vw,44px);box-shadow:0 30px 70px -30px rgba(10,26,47,.18)}
.lead-form .row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.lead-form label{font-size:12.5px;font-weight:600;letter-spacing:.14em;color:var(--muted);display:flex;flex-direction:column;gap:8px;text-transform:uppercase}
.lead-form input,.lead-form textarea{
  border:none;border-bottom:1.5px solid var(--line);background:transparent;
  padding:10px 2px;font-size:16px;font-family:var(--ui);color:var(--ink);border-radius:0;
  transition:border-color .35s var(--ease);
}
.lead-form input:focus,.lead-form textarea:focus{outline:none;border-color:var(--blue)}
.lead-form textarea{resize:vertical;min-height:96px}
.form-status{font-size:14px;min-height:22px;font-weight:500}
.form-status.ok{color:#126b34}.form-status.err{color:#b3261e}
.note{font-size:13px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#93a5bd;padding:clamp(60px,8vw,100px) 0 36px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:clamp(28px,4vw,60px);padding-bottom:clamp(40px,5vw,64px);border-bottom:1px solid var(--line-dark)}
.footer-brand .brand{color:var(--paper);margin-bottom:16px}
.footer-brand p{max-width:22em;font-size:13.5px;line-height:1.8}
.site-footer h4{color:var(--paper);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;margin-bottom:18px;font-weight:600}
.site-footer nav a{display:block;padding:6px 0;color:#93a5bd;transition:color .3s,padding-left .3s var(--ease)}
.site-footer nav a:hover{color:var(--paper);padding-left:8px}
.footer-contact li{display:flex;gap:10px;padding:7px 0;align-items:baseline}
.footer-contact b{color:var(--paper);font-weight:500}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:30px;font-size:12.5px;color:#8fa3c0}
.footer-bottom a{color:#8fa3c0;border-bottom:1px solid transparent;transition:border-color .3s}
.footer-bottom a:hover{border-color:#8fa3c0}

/* ---------- 响应式 ---------- */
@media (max-width:1020px){
  .hero-inner{grid-template-columns:1fr;gap:60px}
  .ms-wrap{justify-content:flex-start}
  .split{grid-template-columns:1fr}
  .matrix{grid-template-columns:repeat(4,1fr)}
  .pcard{grid-column:span 2}
  .pcard.flag{grid-column:span 4}
  .stats{grid-template-columns:repeat(2,1fr)}
  .feature-item{grid-template-columns:64px 1fr;grid-template-rows:auto auto}
  .feature-item p{grid-column:2}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .module-row{grid-template-columns:54px 1fr}
  .module-row p{grid-column:2}
}
@media (max-width:640px){
  .nav-toggle{display:block}
  .site-nav{position:fixed;inset:0;background:var(--paper);flex-direction:column;justify-content:center;align-items:center;gap:8px;display:none;z-index:999}
  body.nav-open .site-nav{display:flex}
  .site-nav a{font-size:24px;padding:14px 0}
  .nav-cta{margin-top:20px;font-size:18px}
  body.nav-open{overflow:hidden}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .pcard,.pcard.flag{grid-column:span 1}
  .stats{grid-template-columns:1fr 1fr;gap:26px}
  .lead-form .row{grid-template-columns:1fr}
  .section-head{grid-template-columns:1fr}
  .section-head .note-col{justify-self:start}
  .footer-grid{grid-template-columns:1fr}
  .hero-scroll{display:none}
  .mock-window{transform:none}
}