/* ============================================================
   南京紫科云创科技有限公司 · 官网样式
   企业协同办公 / 云端团队协作 · 皇家紫罗兰 SaaS 风格
   ============================================================ */

:root{
  --violet:#7e22ce;
  --violet-bright:#9333ea;
  --violet-deep:#6b21a8;
  --violet-soft:#f6f2fd;
  --violet-mist:#efe7fb;
  --accent-cyan:#06b6d4;
  --accent-pink:#ec4899;

  --ink:#1f1533;
  --body:#4b445c;
  --muted:#8a8298;
  --line:#ece6f4;
  --white:#ffffff;

  --shell:1160px;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:22px;
  --shadow-sm:0 4px 16px rgba(94,50,140,.06);
  --shadow:0 14px 40px rgba(94,50,140,.10);
  --shadow-lg:0 26px 70px rgba(94,50,140,.16);
  --ring:0 0 0 4px rgba(147,51,234,.14);
  --grad:linear-gradient(135deg,var(--violet-bright),var(--violet));
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--body);
  background:var(--white);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:800}
img,svg{display:block}

.co-shell{max-width:var(--shell);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.co-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.co-btn--lg{padding:14px 30px;font-size:16px}
.co-btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(126,34,206,.28)}
.co-btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(126,34,206,.34)}
.co-btn--ghost{background:#fff;color:var(--violet);border-color:var(--violet-mist)}
.co-btn--ghost:hover{border-color:var(--violet-bright);background:var(--violet-soft);transform:translateY(-2px)}

/* ---------- 品牌 ---------- */
.co-brand{display:inline-flex;align-items:center;gap:10px}
.co-brand__mark{display:inline-flex;filter:drop-shadow(0 6px 12px rgba(126,34,206,.28))}
.co-brand__text{font-weight:800;font-size:20px;color:var(--ink);letter-spacing:.5px}

/* ---------- 导航 ---------- */
.co-nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.co-nav__inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.co-nav__links{display:flex;gap:26px}
.co-nav__links a{
  font-size:15px;font-weight:600;color:var(--body);position:relative;padding:4px 0;
  transition:color .2s ease;
}
.co-nav__links a::after{
  content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;border-radius:2px;
  background:var(--grad);transition:width .22s ease;
}
.co-nav__links a:hover{color:var(--violet)}
.co-nav__links a:hover::after{width:100%}
.co-nav__actions{display:flex;align-items:center;gap:12px}

.co-burger{display:none;flex-direction:column;gap:5px;width:44px;height:40px;
  align-items:center;justify-content:center;background:var(--violet-soft);
  border:1px solid var(--violet-mist);border-radius:12px;cursor:pointer}
.co-burger span{width:20px;height:2px;background:var(--violet-deep);border-radius:2px;transition:.25s}
.co-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.co-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.co-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.co-drawer{
  flex-direction:column;gap:6px;padding:14px 24px 22px;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--shadow);
}
.co-drawer:not([hidden]){display:flex}
.co-drawer a{padding:11px 12px;border-radius:12px;font-weight:600;color:var(--ink)}
.co-drawer a:hover{background:var(--violet-soft);color:var(--violet)}
.co-drawer .co-btn{margin-top:6px}

/* ---------- 通用标题块 ---------- */
.co-head{max-width:720px;margin:0 auto 46px;text-align:center}
.co-head__kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--violet-bright);background:var(--violet-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.co-head__title{font-size:34px;margin-bottom:14px}
.co-head__sub{font-size:17px;color:var(--muted)}
.co-head--light .co-head__title{color:#fff}
.co-head__kicker--light{background:rgba(255,255,255,.16);color:#f2e9ff}
.co-head__sub--light{color:rgba(255,255,255,.82)}

/* ============================================================
   Hero
   ============================================================ */
.work-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(60% 80% at 88% 8%,rgba(147,51,234,.10),transparent 60%),
    radial-gradient(50% 60% at 4% 90%,rgba(6,182,212,.08),transparent 60%),
    linear-gradient(180deg,#fbf9ff,#ffffff);
  padding:74px 0 88px;
}
.work-hero__grid{
  display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:center;
}
.work-hero__eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;
  color:var(--violet);background:#fff;border:1px solid var(--violet-mist);
  padding:6px 15px;border-radius:999px;margin-bottom:22px;box-shadow:var(--shadow-sm);
}
.work-hero__title{font-size:46px;line-height:1.2;letter-spacing:.5px;margin-bottom:20px}
.work-hero__lead{font-size:18px;color:var(--body);max-width:520px;margin-bottom:30px}
.work-hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.work-hero__trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px}
.work-hero__trust li{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--body);font-weight:600}
.work-hero__trust svg{color:var(--violet-bright)}

/* 工作台 Mock */
.work-hero__mock{position:relative}
.work-hero__glow{position:absolute;border-radius:50%;filter:blur(60px);z-index:0;opacity:.6}
.work-hero__glow--1{width:260px;height:260px;background:rgba(147,51,234,.30);top:-40px;right:-30px}
.work-hero__glow--2{width:220px;height:220px;background:rgba(6,182,212,.24);bottom:-50px;left:-20px}

.work-app{
  position:relative;z-index:1;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.work-app__bar{
  display:flex;align-items:center;gap:14px;
  padding:12px 16px;border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,#faf7ff,#fff);
}
.work-app__dots{display:flex;gap:6px}
.work-app__dots i{width:11px;height:11px;border-radius:50%;background:var(--violet-mist)}
.work-app__dots i:first-child{background:#f3b0c9}
.work-app__dots i:nth-child(2){background:#f6d68a}
.work-app__dots i:nth-child(3){background:#a9e3c5}
.work-app__tab{
  font-size:13px;font-weight:700;color:var(--violet-deep);
  background:var(--violet-soft);padding:5px 12px;border-radius:999px;
}
.work-app__avatars{display:flex;margin-left:auto}
.work-app__avatars b{
  width:26px;height:26px;border-radius:50%;margin-left:-7px;
  display:grid;place-items:center;font-size:11px;color:#fff;font-weight:700;
  border:2px solid #fff;background:var(--violet-bright);
}
.work-app__avatars b:nth-child(2){background:var(--violet)}
.work-app__avatars b:nth-child(3){background:var(--accent-cyan)}
.work-app__avatars b:last-child{background:#cbb6e8;color:var(--violet-deep)}

.work-app__body{display:grid;grid-template-columns:1fr 168px;gap:14px;padding:16px;background:#fcfaff}

.work-board{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.work-col{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px}
.work-col__head{
  font-size:12px;font-weight:700;color:var(--muted);margin-bottom:9px;
  display:flex;align-items:center;justify-content:space-between;
}
.work-col__head span{
  background:var(--violet-soft);color:var(--violet);border-radius:999px;
  min-width:20px;height:18px;padding:0 6px;display:grid;place-items:center;font-size:11px;
}
.work-card{
  background:#fff;border:1px solid var(--line);border-radius:11px;
  padding:9px 10px;margin-bottom:8px;font-size:12.5px;font-weight:600;color:var(--ink);
  box-shadow:0 2px 6px rgba(94,50,140,.05);line-height:1.5;
}
.work-card:last-child{margin-bottom:0}
.work-card--ghost{border-style:dashed;color:var(--muted);background:#faf8fe;box-shadow:none;font-weight:600}
.work-card--live{border-color:#d9c4f2}
.work-card--done{display:flex;align-items:center;gap:6px;color:var(--muted);text-decoration:line-through;text-decoration-color:#d9c9ef}
.work-card--done svg{color:#22c55e;flex-shrink:0}
.work-tag{
  display:inline-block;font-size:10px;font-weight:700;padding:2px 7px;border-radius:6px;margin-bottom:6px;
}
.work-tag--a{background:#fce7f3;color:#be185d}
.work-tag--b{background:#e0f2fe;color:#0369a1}
.work-tag--c{background:var(--violet-soft);color:var(--violet)}
.work-progress{display:block;height:5px;background:var(--violet-mist);border-radius:999px;margin-top:7px;overflow:hidden}
.work-progress i{display:block;height:100%;background:var(--grad);border-radius:999px}

.work-app__side{display:flex;flex-direction:column;gap:12px}
.work-note{
  display:flex;gap:9px;background:#fff;border:1px solid var(--line);
  border-radius:13px;padding:10px;box-shadow:0 2px 6px rgba(94,50,140,.05);
}
.work-note__ico{color:var(--violet-bright);flex-shrink:0;margin-top:2px}
.work-note b{font-size:12.5px;color:var(--ink)}
.work-note p{font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.45}
.work-mini-cal{background:#fff;border:1px solid var(--line);border-radius:13px;padding:11px 12px;box-shadow:0 2px 6px rgba(94,50,140,.05)}
.work-mini-cal__head{font-size:12px;font-weight:700;color:var(--violet-deep);margin-bottom:9px}
.work-mini-cal ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.work-mini-cal li{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--body);font-weight:600}
.work-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.work-dot--a{background:var(--accent-pink)}
.work-dot--b{background:var(--accent-cyan)}
.work-dot--c{background:var(--violet-bright)}

/* ============================================================
   协作能力 bento
   ============================================================ */
.team-ability{padding:84px 0}
.team-bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.team-cell{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.team-cell--wide{grid-column:span 2}
.team-cell:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#e2d3f5}
.team-cell__ico{
  display:inline-flex;padding:12px;border-radius:14px;color:var(--violet);
  background:var(--violet-soft);margin-bottom:16px;
}
.team-cell h3{font-size:19px;margin-bottom:8px}
.team-cell p{font-size:15px;color:var(--body)}

/* ============================================================
   适用团队
   ============================================================ */
.team-scenes{padding:84px 0;background:linear-gradient(180deg,#fbf9ff,#f6f2fd)}
.team-scene-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.team-scene{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.team-scene:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.team-scene__ico{
  display:inline-flex;padding:13px;border-radius:16px;margin-bottom:14px;
  color:#fff;background:var(--grad);box-shadow:0 8px 18px rgba(126,34,206,.24);
}
.team-scene h3{font-size:17px;margin-bottom:8px}
.team-scene p{font-size:13.5px;color:var(--muted)}

/* ============================================================
   为什么选择紫科
   ============================================================ */
.flow-why{padding:84px 0}
.flow-why__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-adv{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.flow-adv:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.flow-adv__no{
  font-size:40px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;opacity:.9;display:block;margin-bottom:14px;
}
.flow-adv h3{font-size:19px;margin-bottom:8px}
.flow-adv p{font-size:14.5px;color:var(--body)}

/* ============================================================
   数据统计横幅
   ============================================================ */
.biz-stats{
  padding:56px 0;
  background:
    radial-gradient(60% 120% at 15% 0%,rgba(255,255,255,.14),transparent 55%),
    var(--grad);
}
.biz-stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.biz-stat__num{
  display:block;font-size:44px;font-weight:800;color:#fff;line-height:1;
  letter-spacing:.5px;text-shadow:0 4px 18px rgba(0,0,0,.14);
}
.biz-stat__label{display:block;margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);font-weight:600}

/* ============================================================
   安全与合规
   ============================================================ */
.flow-security{padding:84px 0;background:linear-gradient(180deg,#ffffff,#faf8ff)}
.flow-sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-sec{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.flow-sec:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.flow-sec__ico{
  display:inline-flex;padding:12px;border-radius:14px;margin-bottom:15px;
  color:var(--violet);background:var(--violet-soft);
}
.flow-sec h3{font-size:18px;margin-bottom:8px}
.flow-sec p{font-size:14.5px;color:var(--body)}

/* ============================================================
   关于紫科
   ============================================================ */
.biz-about{padding:84px 0}
.biz-about__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.biz-about__copy .co-head__kicker{margin-bottom:16px}
.biz-about__copy .co-head__title{text-align:left;font-size:32px;margin-bottom:18px}
.biz-about__copy p{font-size:16px;color:var(--body);margin-bottom:16px}
.biz-about__pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.biz-about__pills span{
  font-size:13px;font-weight:700;color:var(--violet);
  background:var(--violet-soft);border:1px solid var(--violet-mist);
  padding:7px 14px;border-radius:999px;
}
.biz-about__facts{
  list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;
  background:var(--violet-soft);border:1px solid var(--violet-mist);
  border-radius:var(--radius-lg);padding:26px;
}
.biz-about__facts li{display:flex;flex-direction:column;gap:5px}
.biz-about__facts b{font-size:15px;color:var(--violet-deep)}
.biz-about__facts span{font-size:13.5px;color:var(--body)}

/* ============================================================
   联系我们
   ============================================================ */
.biz-contact{
  padding:84px 0;
  background:
    radial-gradient(70% 120% at 100% 0%,rgba(147,51,234,.55),transparent 60%),
    linear-gradient(135deg,var(--violet-deep),#4c1d78);
}
.biz-contact__card{
  max-width:820px;margin:0 auto;background:#fff;border-radius:var(--radius-lg);
  padding:36px;box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1fr;gap:24px;
}
.biz-contact__list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.biz-contact__list li{display:flex;gap:13px}
.biz-contact__ico{
  flex-shrink:0;display:inline-flex;padding:11px;border-radius:13px;
  color:var(--violet);background:var(--violet-soft);height:fit-content;
}
.biz-contact__list b{font-size:13px;color:var(--muted);font-weight:700;display:block;margin-bottom:2px}
.biz-contact__list p{font-size:15.5px;color:var(--ink);font-weight:600;line-height:1.5}
.biz-contact__list a{color:var(--violet);word-break:break-all}
.biz-contact__list a:hover{text-decoration:underline}
.biz-contact__btn{justify-self:start}

/* ============================================================
   页脚
   ============================================================ */
.co-foot{background:#1c1330;color:#c9bfda}
.co-foot__top{display:grid;grid-template-columns:1.2fr 2fr;gap:40px;padding:56px 24px 40px}
.co-foot__brand .co-brand__text{color:#fff}
.co-foot__slogan{margin-top:16px;font-size:14.5px;color:#a99cc4;max-width:300px}
.co-foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.co-foot__col h4{color:#fff;font-size:15px;margin-bottom:14px}
.co-foot__col a{display:block;font-size:14px;color:#a99cc4;padding:5px 0;transition:color .2s ease}
.co-foot__col a:hover{color:#fff}
.co-foot__bar{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  padding:20px 24px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13.5px;color:#8f83a8;
}
.co-foot__bar a{color:#a99cc4}
.co-foot__bar a:hover{color:#fff;text-decoration:underline}

/* ============================================================
   进场动画
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:960px){
  .co-nav__links,.co-nav__cta{display:none}
  .co-burger{display:flex}
  .work-hero__grid{grid-template-columns:1fr;gap:44px}
  .work-hero__title{font-size:38px}
  .team-bento{grid-template-columns:1fr 1fr}
  .team-cell--wide{grid-column:span 2}
  .team-scene-grid{grid-template-columns:repeat(3,1fr)}
  .flow-why__grid{grid-template-columns:1fr 1fr}
  .flow-sec-grid{grid-template-columns:1fr 1fr}
  .biz-stats__grid{grid-template-columns:1fr 1fr;gap:32px 20px}
  .biz-about__grid{grid-template-columns:1fr;gap:36px}
  .biz-about__copy .co-head__title{text-align:center}
  .biz-about__copy{text-align:center}
  .biz-about__copy .co-head__kicker{margin-left:auto;margin-right:auto}
  .biz-about__pills{justify-content:center}
}
@media(max-width:640px){
  .co-head__title{font-size:27px}
  .work-hero{padding:52px 0 64px}
  .work-hero__title{font-size:31px}
  .work-hero__lead{font-size:16px}
  .work-app__body{grid-template-columns:1fr}
  .work-board{grid-template-columns:1fr}
  .work-col{padding:12px}
  .work-app__side{flex-direction:row}
  .work-app__side>*{flex:1}
  .team-bento{grid-template-columns:1fr}
  .team-cell--wide{grid-column:span 1}
  .team-scene-grid{grid-template-columns:1fr 1fr}
  .flow-why__grid,.flow-sec-grid{grid-template-columns:1fr}
  .biz-stat__num{font-size:36px}
  .biz-contact__card{padding:24px}
  .biz-contact__list{grid-template-columns:1fr}
  .biz-contact__btn{justify-self:stretch}
  .co-foot__top{grid-template-columns:1fr;gap:30px}
  .co-foot__cols{grid-template-columns:1fr 1fr}
}
@media(max-width:400px){
  .work-app__side{flex-direction:column}
  .team-scene-grid,.co-foot__cols{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{transition:none!important;opacity:1!important;transform:none!important}
  .co-btn,.team-cell,.team-scene,.flow-adv,.flow-sec{transition:none!important}
}