/* ========== 智仓客官网 共享样式 ========== */
:root{
  --brand:#1a6dff; --brand2:#0d4db8; --brand-light:#e8f1ff;
  --ink:#1a1d26; --ink2:#5a6478; --ink3:#9aa3b2;
  --bg:#f7f8fb; --card:#fff; --line:#eef0f5;
  --ok:#18a96b; --warn:#f5a623; --danger:#ff4d4f;
  --radius:16px; --shadow:0 8px 30px rgba(20,40,80,.08);
  --shadow-lg:0 20px 60px rgba(20,40,80,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.7; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.wrap-lg{max-width:1360px;margin:0 auto;padding:0 24px}

/* ===== 顶部导航 ===== */
.header{
  position:sticky;top:0;z-index:200;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(238,240,245,.7);
}
.header .inner{max-width:1360px;margin:0 auto;padding:0 28px;height:68px;display:flex;align-items:center;gap:40px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--ink);flex-shrink:0}
.logo .mark{
  width:34px;height:34px;border-radius:9px;
  display:block;object-fit:cover;
  box-shadow:0 4px 12px rgba(26,109,255,.25);
}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  padding:8px 14px;border-radius:9px;font-size:14.5px;color:var(--ink2);font-weight:500;
  transition:.2s;
}
.nav a:hover{color:var(--brand);background:var(--brand-light)}
.nav a.active{color:var(--brand);background:var(--brand-light)}
.header .actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.menu-btn{display:none;width:40px;height:40px;border:none;background:var(--bg);border-radius:10px;cursor:pointer;align-items:center;justify-content:center}
.mobile-nav{display:none;position:fixed;inset:68px 0 0;background:#fff;z-index:199;padding:20px 24px;overflow-y:auto}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink2)}
.mobile-nav a.active{color:var(--brand);font-weight:600}
.mobile-nav .actions{padding-top:24px;display:flex;flex-direction:column;gap:12px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:.25s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 20px rgba(26,109,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,109,255,.42)}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid #cfe0ff}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-light)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}

/* ===== 通用区块 ===== */
section{padding:96px 0}
.section-head{text-align:center;margin-bottom:64px}
.section-head .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--brand);background:var(--brand-light);padding:6px 16px;border-radius:20px;margin-bottom:18px}
.section-head h2{font-size:38px;font-weight:800;letter-spacing:-1px;line-height:1.25;margin-bottom:14px}
.section-head p{font-size:17px;color:var(--ink2);max-width:640px;margin:0 auto}
.section-head.align-left{text-align:left}
.section-head.align-left p{margin:0}

/* ===== Hero ===== */
.hero{min-height:620px;display:flex;align-items:center;position:relative;overflow:hidden;padding:80px 0 100px}
.hero-bg{position:absolute;inset:0;background:radial-gradient(1200px 500px at 80% -10%,rgba(26,109,255,.14),transparent),radial-gradient(700px 400px at 0% 90%,rgba(122,90,248,.10),transparent);z-index:0}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(26,109,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(26,109,255,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,#000,transparent);-webkit-mask-image:linear-gradient(180deg,#000,transparent);z-index:0}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:56px;font-weight:850;letter-spacing:-2px;line-height:1.12;margin-bottom:22px}
.hero h1 .grad{background:linear-gradient(120deg,var(--brand),#7a5af8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lead{font-size:19px;color:var(--ink2);max-width:560px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:46px}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap}
.hero-stat .n{font-size:32px;font-weight:800;color:var(--brand);letter-spacing:-1px}
.hero-stat .l{font-size:13.5px;color:var(--ink3);margin-top:2px}

/* Hero 右侧视觉 */
.hero-visual{position:relative;z-index:1}
.device-mock{background:#0d1117;border-radius:28px;padding:10px;box-shadow:var(--shadow-lg);transform:rotate(1deg)}
.device-screen{background:#fff;border-radius:20px;overflow:hidden;height:420px;position:relative}
.dm-bar{height:38px;background:#f7f8fb;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 14px;gap:6px}
.dm-dot{width:9px;height:9px;border-radius:50%;background:#ff5f57}
.dm-bar .dm-dot:nth-child(2){background:#febc2e}
.dm-bar .dm-dot:nth-child(3){background:#28c840}
.dm-url{flex:1;background:#eef1f6;border-radius:6px;height:20px;margin-left:12px;display:flex;align-items:center;padding:0 10px;font-size:10px;color:var(--ink3)}
.dm-body{padding:20px}
.dm-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.dm-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.dm-avatar{width:30px;height:30px;border-radius:8px;background:var(--brand-light)}
.dm-line{height:9px;border-radius:5px;background:var(--line)}
.dm-line.short{width:60%}
.dm-line.tiny{width:35%}
.dm-bar-chart{display:flex;align-items:flex-end;gap:7px;height:80px;padding-top:10px}
.dm-bar-chart div{flex:1;border-radius:4px 4px 0 0;background:linear-gradient(180deg,var(--brand),#8fc0ff)}
.dm-tag{display:inline-block;padding:2px 9px;border-radius:10px;font-size:10px;font-weight:600;background:#e8f8f0;color:var(--ok)}

/* ===== 特性网格 ===== */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:var(--card);border-radius:var(--radius);padding:34px 30px;border:1px solid var(--line);transition:.3s}
.feat:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#dde6ff}
.feat .icon{width:56px;height:56px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px;background:var(--brand-light)}
.feat h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feat p{font-size:14.5px;color:var(--ink2);line-height:1.75}

/* ===== 三端卡片 ===== */
.three-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.endpoint{background:var(--card);border-radius:20px;overflow:hidden;border:1px solid var(--line);transition:.35s;display:flex;flex-direction:column}
.endpoint:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.endpoint .thumb{height:170px;position:relative;display:flex;align-items:center;justify-content:center;font-size:60px}
.endpoint .thumb::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 120%,rgba(255,255,255,.5),transparent)}
.endpoint .body{padding:26px}
.endpoint h3{font-size:21px;font-weight:750;margin-bottom:8px}
.endpoint .who{font-size:13px;color:var(--ink3);margin-bottom:14px}
.endpoint ul{list-style:none;margin-bottom:22px}
.endpoint li{font-size:14px;color:var(--ink2);padding:5px 0;display:flex;gap:8px;align-items:flex-start}
.endpoint li::before{content:'✓';color:var(--brand);font-weight:800;flex-shrink:0}
.endpoint .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:5px}
.t1{background:linear-gradient(150deg,#e8f1ff,#f4f7ff)}
.t2{background:linear-gradient(150deg,#fdf3e0,#fff8ee)}
.t3{background:linear-gradient(150deg,#eaf9ff,#f0fdfa)}

/* ===== 数据看板区 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.alt{grid-template-columns:1fr 1fr}
.split .visual{order:2}
.split .content{order:1}
.split.flip .visual{order:1}
.split.flip .content{order:2}
.visual-card{background:var(--card);border-radius:20px;padding:28px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.step-num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:9px;background:var(--brand);color:#fff;font-weight:700;font-size:15px;margin-right:12px;vertical-align:middle}

/* ===== CTA ===== */
.cta-band{background:linear-gradient(135deg,var(--brand),var(--brand2));border-radius:28px;padding:64px 56px;color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.08);top:-200px;right:-100px}
.cta-band::after{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.06);bottom:-150px;left:-80px}
.cta-band h2{font-size:34px;font-weight:800;letter-spacing:-1px;margin-bottom:14px}
.cta-band p{font-size:16px;opacity:.9;margin-bottom:32px}
.cta-band .btn-outline{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.28);border-color:#fff}

/* ===== 页脚 ===== */
.footer{background:var(--ink);color:#c9cfda;padding:72px 0 36px}
.footer .grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:40px;margin-bottom:56px}
.footer .brand{font-size:22px;color:#fff;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.footer .brand .mark{width:32px;height:32px;border-radius:8px;display:block;object-fit:cover}
.footer .desc{font-size:14px;opacity:.75;max-width:280px}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer ul{list-style:none}
.footer li{margin-bottom:11px}
.footer a{font-size:14px;opacity:.75;transition:.2s}
.footer a:hover{opacity:1;color:#fff}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:28px;display:flex;justify-content:space-between;font-size:13px;opacity:.6;flex-wrap:wrap;gap:12px}
.footer .social{display:flex;gap:12px}
.footer .social a{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:16px;opacity:1}

/* ===== 角色端 Hero ===== */
.end-hero{min-height:440px;padding:80px 0 70px;position:relative;overflow:hidden;color:#fff;display:flex;align-items:center}
.end-hero .wrap{position:relative;z-index:2}
.end-hero h1{font-size:46px;font-weight:850;letter-spacing:-1.5px;line-height:1.15;margin-bottom:18px}
.end-hero .lead{font-size:18px;opacity:.9;max-width:560px;margin-bottom:32px}
.eh-bg{position:absolute;inset:0;z-index:0}
.end-meta{display:flex;gap:36px;flex-wrap:wrap;margin-top:36px}
.end-meta .item .n{font-size:28px;font-weight:800}
.end-meta .item .l{font-size:13px;opacity:.8;margin-top:2px}

/* ===== 下载区 ===== */
.download-box{background:var(--card);border-radius:20px;border:1px solid var(--line);padding:36px;box-shadow:var(--shadow)}
.dl-tabs{display:flex;gap:8px;margin-bottom:26px;background:var(--bg);padding:5px;border-radius:12px;width:fit-content}
.dl-tab{padding:9px 20px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink2);cursor:pointer;border:none;background:none}
.dl-tab.active{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.dl-options{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.dl-card{border:1.5px solid var(--line);border-radius:14px;padding:22px;text-align:center;transition:.25s}
.dl-card:hover{border-color:var(--brand);background:var(--brand-light)}
.dl-card .os{font-size:13px;color:var(--ink3);margin-bottom:6px}
.dl-card .ver{font-size:20px;font-weight:750;margin-bottom:14px}
.dl-card .btn{width:100%}
.qr-box{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;flex-direction:column;align-items:center;gap:8px}
.qr-box .qr{width:120px;height:120px}
.qr-box .qr svg{display:block;width:120px;height:120px;border:1px solid var(--line);border-radius:8px}
.qr-box .qr-tip{font-size:11px;color:var(--ink3)}

/* ===== 登录弹层 ===== */
.login-wrap{min-height:560px;display:flex;align-items:center;gap:60px}
.login-form{background:var(--card);border-radius:20px;padding:40px;border:1px solid var(--line);box-shadow:var(--shadow);flex:1;max-width:440px}
.login-form h3{font-size:24px;font-weight:800;margin-bottom:6px}
.login-form .sub{font-size:14px;color:var(--ink3);margin-bottom:26px}
.login-form label{display:block;font-size:13.5px;font-weight:600;color:var(--ink2);margin-bottom:7px;margin-top:16px}
.login-form input{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-size:15px;transition:.2s;font-family:inherit}
.login-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,109,255,.12)}
.login-form .btn{width:100%;margin-top:24px;padding:14px}

/* ===== 文档页 ===== */
.docs-layout{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:start}
.docs-side{position:sticky;top:92px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;max-height:calc(100vh - 120px);overflow-y:auto}
.docs-side h4{font-size:13px;color:var(--ink3);font-weight:700;letter-spacing:1px;text-transform:uppercase;margin:14px 0 8px}
.docs-side h4:first-child{margin-top:0}
.docs-side a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--ink2);transition:.15s}
.docs-side a:hover{background:var(--brand-light);color:var(--brand)}
.docs-side a.on{background:var(--brand);color:#fff;font-weight:600}
.doc-article{max-width:820px}
.doc-article h1{font-size:34px;font-weight:800;letter-spacing:-1px;margin-bottom:12px}
.doc-article .doc-meta{font-size:13.5px;color:var(--ink3);margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.doc-article h2{font-size:24px;font-weight:750;margin:48px 0 16px;letter-spacing:-.5px}
.doc-article h3{font-size:18px;font-weight:700;margin:32px 0 12px}
.doc-article p{font-size:15.5px;color:var(--ink2);margin-bottom:16px}
.doc-article ul,.doc-article ol{font-size:15.5px;color:var(--ink2);padding-left:22px;margin-bottom:16px}
.doc-article li{margin-bottom:8px}
.doc-article code{background:var(--bg);border:1px solid var(--line);padding:2px 7px;border-radius:5px;font-size:13.5px;font-family:ui-monospace,Menlo,monospace;color:var(--brand2)}
.doc-article .callout{background:var(--brand-light);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:16px 20px;margin:24px 0;font-size:14.5px;color:var(--ink2)}
.doc-article .callout.warn{background:#fff4f4;border-color:var(--danger)}
.doc-article table{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0}
.doc-article th{background:var(--bg);text-align:left;padding:12px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--line)}
.doc-article td{padding:12px;border-bottom:1px solid var(--line);color:var(--ink2)}

/* ===== FAQ ===== */
.faq-item{border:1px solid var(--line);border-radius:14px;padding:0;margin-bottom:12px;overflow:hidden;background:var(--card)}
.faq-q{padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .ic{width:26px;height:26px;border-radius:50%;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;transition:.3s}
.faq-item.open .ic{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:.35s}
.faq-item.open .faq-a{max-height:400px;padding:0 24px 22px}

/* ===== 滚动浮现 ===== */
.rv{opacity:0;transform:translateY(30px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media(max-width:960px){
  .nav,.header .actions .btn-outline{display:none}
  .menu-btn{display:inline-flex}
  .header .actions{margin-left:auto}
  section{padding:64px 0}
  .section-head h2{font-size:28px}
  .section-head p{font-size:15px}
  .hero{min-height:auto;padding:56px 0 70px}
  .hero h1{font-size:36px;letter-spacing:-1px}
  .hero .lead{font-size:16px}
  .hero-stats{gap:28px}
  .hero-stat .n{font-size:26px}
  .features{grid-template-columns:1fr;gap:16px}
  .feat{padding:26px 22px}
  .three-cards{grid-template-columns:1fr;gap:20px}
  .split{grid-template-columns:1fr;gap:36px}
  .split .visual,.split.flip .visual{order:2}
  .split .content,.split.flip .content{order:1}
  .footer .grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer .brand-col{grid-column:1/-1}
  .cta-band{padding:44px 28px}
  .cta-band h2{font-size:26px}
  /* 角色端 */
  .end-hero{min-height:auto;padding:56px 0 50px}
  .end-hero h1{font-size:30px}
  .end-hero .lead{font-size:15.5px}
  .end-meta{gap:22px;margin-top:26px}
  .end-meta .item .n{font-size:22px}
  .dl-options{grid-template-columns:1fr;gap:12px}
  .login-wrap{gap:36px;flex-direction:column}
  .login-form{max-width:none;width:100%;padding:28px 22px}
  /* 文档 */
  .docs-layout{grid-template-columns:1fr;gap:24px}
  .docs-side{position:static;max-height:none}
  .doc-article h1{font-size:27px}
  .doc-article h2{font-size:21px}
}
@media(max-width:560px){
  .wrap,.wrap-lg{padding:0 18px}
  .header .inner{padding:0 18px;height:60px;gap:12px}
  .logo{font-size:18px}
  .logo .mark{width:30px;height:30px;font-size:15px}
  .hero h1{font-size:31px}
  .hero-cta .btn{flex:1;min-width:140px}
  .hero-stats{gap:20px}
  .footer .grid{grid-template-columns:1fr}
  .footer .bottom{flex-direction:column;text-align:center}
  .section-head{margin-bottom:40px}
  .section-head h2{font-size:25px}
  .endpoint .body{padding:22px}
}