/* POcean 海量数字资源系列产品官网 - 纯静态共享样式 */
:root{
  --bg:#f6f5f2;
  --paper:#fffdf9;
  --ink:#0b1526;
  --muted:#5e6b7d;
  --line:rgba(10,32,61,.12);
  --deep:#05060f;
  --deep-2:#081426;
  --blue:#0057f3;
  --cyan:#28d7ff;
  --ice:#d8ecf8;
  --ice-2:#98c0ef;
  --orange:#ff6a00;
  --green:#0f9f7a;
  --gold:#b8893b;
  --shadow:0 24px 70px rgba(7,22,43,.10);
  --glass:rgba(184,214,247,.10);
  --glass-line:rgba(184,215,247,.24);
  --radius:24px;
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.83,0,.17,1);
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(40,215,255,.14), transparent 32rem),
    radial-gradient(circle at 88% 12%, rgba(0,87,243,.10), transparent 34rem),
    linear-gradient(180deg,#fbfaf7 0%,var(--bg) 42%,#f1f5f8 100%);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.72;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
::selection{background:#0b1526;color:#fff}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:#0b1526;color:#fff;padding:8px 12px;z-index:99}
.skip:focus{left:8px}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.45s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(255,253,249,.82);backdrop-filter:saturate(130%) blur(16px);border-color:var(--line);box-shadow:0 10px 34px rgba(11,21,38,.07)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand img{width:143px;height:auto}
.brand-sub{display:flex;flex-direction:column;line-height:1.1;border-left:1px solid var(--line);padding-left:12px}
.brand-sub b{font-size:13px;letter-spacing:.04em}
.brand-sub span{font-size:11px;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{position:relative;padding:10px 13px;border-radius:999px;color:#26364d;font-size:14px;transition:.25s var(--ease)}
.nav-links a:hover{background:rgba(0,87,243,.07);color:var(--blue)}
.nav-links a.active{color:var(--blue);background:rgba(0,87,243,.09);font-weight:700}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 20px;font-weight:800;letter-spacing:.01em;cursor:pointer;transition:.3s var(--ease);white-space:nowrap}
.btn-primary{color:#fff;background:linear-gradient(135deg,#0b1526,#063a7a 58%,#0057f3);box-shadow:0 14px 34px rgba(0,87,243,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(0,87,243,.30)}
.btn-ghost{color:#0b1526;background:rgba(255,255,255,.66);border:1px solid var(--line);backdrop-filter:blur(10px)}
.btn-ghost:hover{border-color:rgba(0,87,243,.35);color:var(--blue);transform:translateY(-2px)}
.btn-light{color:#eaf6ff;background:rgba(184,214,247,.12);border:1px solid var(--glass-line)}
.btn-light:hover{background:rgba(184,214,247,.20);transform:translateY(-2px)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.75)}
.menu-toggle span{display:block;width:20px;height:2px;background:#0b1526;margin:4px auto;transition:.3s var(--ease)}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* Hero */
.hero{position:relative;min-height:92vh;display:grid;align-items:center;padding:156px 0 92px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.2),transparent 34%,rgba(6,20,38,.05));pointer-events:none}
.ocean-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.86}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:54px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:9px;padding:7px 12px;border:1px solid rgba(0,87,243,.22);border-radius:999px;background:rgba(255,255,255,.64);color:#0a4fc0;font-size:13px;font-weight:800;letter-spacing:.08em}
.kicker i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
h1,h2,h3{line-height:1.08;margin:0;color:var(--ink);letter-spacing:-.03em}
h1{font-size:clamp(44px,6.4vw,88px);margin:22px 0 20px;max-width:900px}
h1 .grad,h2 .grad{background:linear-gradient(100deg,#0b1526 8%,#0057f3 46%,#19c9ff 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:clamp(17px,1.6vw,21px);color:#3c4b5e;max-width:760px;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);padding-top:22px;gap:18px}
.metric b{display:block;font-size:clamp(24px,2.4vw,36px);line-height:1;color:#0b1526}
.metric span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative;min-height:600px}
.frame{position:absolute;inset:0;border:1px solid rgba(11,21,38,.12);border-radius:36px;background:linear-gradient(145deg,rgba(255,255,255,.70),rgba(232,242,250,.44));box-shadow:var(--shadow);overflow:hidden}
.frame::before,.frame::after{content:"";position:absolute;inset:18px;border:1px solid rgba(0,87,243,.12);border-radius:26px;pointer-events:none}
.frame::after{inset:36px;border-color:rgba(40,215,255,.16)}
.console{position:absolute;left:7%;right:7%;top:8%;bottom:12%;border-radius:28px;background:linear-gradient(180deg,#07101f,#05060f 70%);border:1px solid rgba(184,215,247,.24);box-shadow:0 40px 100px rgba(5,6,15,.35),inset 0 1px 1px rgba(216,236,248,.20);overflow:hidden;color:#c8d4ea}
.console::before{content:"";position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent,rgba(40,215,255,.20),transparent 30%,rgba(0,87,243,.22),transparent 62%,rgba(216,236,248,.12),transparent);animation:spin 10s linear infinite;opacity:.65}
.console-inner{position:relative;height:100%;display:grid;grid-template-rows:auto 1fr auto;padding:22px}
.console-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(184,215,247,.14);padding-bottom:14px}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;background:#ff5f57}.dot:nth-child(2){background:#febc2e}.dot:nth-child(3){background:#28c840}
.console-title{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;color:#98c0ef;letter-spacing:.12em}
.flow{position:relative;display:grid;place-items:center}
.node{position:absolute;min-width:128px;padding:13px 14px;border:1px solid rgba(184,215,247,.22);border-radius:16px;background:rgba(184,214,247,.08);backdrop-filter:blur(8px);box-shadow:inset 0 18px 38px rgba(168,216,245,.06)}
.node b{display:block;color:#eaf6ff;font-size:14px;margin-bottom:4px}.node span{font-size:12px;color:#9fb2cb}
.node.core{left:50%;top:50%;transform:translate(-50%,-50%);width:190px;text-align:center;border-color:rgba(40,215,255,.42);background:linear-gradient(180deg,rgba(0,87,243,.24),rgba(40,215,255,.09));z-index:2}
.node.n1{left:2%;top:8%}.node.n2{right:2%;top:8%}.node.n3{left:2%;bottom:8%}.node.n4{right:2%;bottom:8%}
.link-line{position:absolute;height:1px;background:linear-gradient(90deg,transparent,rgba(40,215,255,.75),transparent);transform-origin:left center;animation:pulse 3.2s var(--ease-io) infinite}
.console-bottom{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;border-top:1px solid rgba(184,215,247,.14);padding-top:14px}
.mini{border:1px solid rgba(184,215,247,.14);border-radius:14px;padding:10px;background:rgba(255,255,255,.03)}
.mini b{display:block;color:#fff;font-size:16px}.mini span{font-size:11px;color:#9fb2cb}
.scroll-note{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);color:#607086;font-size:12px;letter-spacing:.18em}

/* Sections */
.section{padding:96px 0;position:relative}
.section.dark{background:radial-gradient(circle at 20% 0%,rgba(0,87,243,.26),transparent 32rem),linear-gradient(180deg,var(--deep),#081426 62%,#05060f);color:#c8d4ea}
.section.dark h2,.section.dark h3{color:#f2f8ff}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;margin-bottom:44px}
.eyebrow{color:var(--blue);font-weight:900;letter-spacing:.16em;font-size:13px;text-transform:uppercase;margin-bottom:12px}
.section.dark .eyebrow{color:var(--cyan)}
h2{font-size:clamp(32px,4.4vw,58px)}
.section-desc{max-width:720px;color:var(--muted);margin:14px 0 0;font-size:17px}
.section.dark .section-desc{color:#9fb2cb}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,253,249,.78);box-shadow:0 14px 44px rgba(7,22,43,.06);padding:28px;overflow:hidden;transition:.35s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(0,87,243,.24)}
.card::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,87,243,.08),transparent 42%);opacity:0;transition:.35s var(--ease)}
.card:hover::before{opacity:1}
.card h3{font-size:22px;margin:14px 0 10px}.card p{margin:0;color:var(--muted)}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--blue);font-size:12px;letter-spacing:.16em}
.icon-svg{width:44px;height:44px;color:var(--blue)}
.dark-card{border:1px solid var(--glass-line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(184,214,247,.10),rgba(184,214,247,.045));box-shadow:inset 0 1px 1px rgba(216,236,248,.12);padding:26px;color:#c8d4ea;backdrop-filter:blur(10px)}
.dark-card h3{color:#fff}.dark-card p{color:#9fb2cb}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid rgba(0,87,243,.20);border-radius:999px;background:rgba(0,87,243,.06);color:#0a4fc0;font-size:12px;font-weight:800;margin:3px 4px 0 0}
.dark .pill{border-color:rgba(40,215,255,.28);background:rgba(40,215,255,.08);color:#aeefff}
.list{margin:0;padding:0;list-style:none}.list li{position:relative;padding-left:24px;margin:10px 0;color:var(--muted)}.list li::before{content:"";position:absolute;left:0;top:.68em;width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan))}
.dark .list li{color:#aab9cf}
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:54px;align-items:center}
.panel{border:1px solid var(--line);border-radius:30px;background:rgba(255,255,255,.72);padding:30px;box-shadow:var(--shadow)}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#07101f;color:#d8ecf8;border:1px solid rgba(184,215,247,.18);border-radius:18px;padding:18px;overflow:auto;font-size:13px;line-height:1.7;white-space:pre-line}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:15px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f4f8fc;color:#25354b;font-size:13px;letter-spacing:.03em}tr:last-child td{border-bottom:0}
.notice{border-left:4px solid var(--orange);background:rgba(255,106,0,.08);padding:14px 16px;border-radius:0 14px 14px 0;color:#6b3b12}
.banner{position:relative;border-radius:34px;padding:48px;background:linear-gradient(135deg,#07101f,#063a7a 58%,#0057f3);color:#fff;overflow:hidden;box-shadow:var(--shadow)}
.banner::before{content:"";position:absolute;inset:-50%;background:conic-gradient(from 90deg,transparent,rgba(40,215,255,.35),transparent 30%,rgba(255,255,255,.12),transparent 65%);animation:spin 12s linear infinite}
.banner-inner{position:relative;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.banner h2{color:#fff}.banner p{color:#cfe7ff;margin:10px 0 0}

/* Page hero */
.page-hero{position:relative;padding:158px 0 76px;overflow:hidden;background:radial-gradient(circle at 78% 8%,rgba(40,215,255,.16),transparent 28rem),linear-gradient(180deg,#fbfaf7,#eef5fa)}
.page-hero.dark{background:radial-gradient(circle at 80% 0%,rgba(0,87,243,.36),transparent 32rem),linear-gradient(180deg,#05060f,#081426);color:#c8d4ea}
.page-hero h1{font-size:clamp(38px,5vw,68px);max-width:980px}
.page-hero.dark h1{color:#fff}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}.breadcrumb a{color:var(--blue)}
.timeline{position:relative;margin-top:26px;padding-left:24px;border-left:1px solid rgba(0,87,243,.22)}
.timeline-item{position:relative;padding:0 0 28px 18px}.timeline-item::before{content:"";position:absolute;left:-30px;top:5px;width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--blue);box-shadow:0 0 0 5px rgba(0,87,243,.10)}
.timeline-item b{display:block;font-size:18px}.timeline-item span{color:var(--muted)}
.arch{position:relative;border:1px solid var(--line);border-radius:30px;background:#fff;padding:28px;overflow:hidden}
.arch svg{width:100%;height:auto;display:block}
.case-card{min-height:320px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(180deg,rgba(255,255,255,.86),rgba(244,248,252,.76))}
.case-tag{align-self:flex-start}
.download-card{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center}
.file-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.status{font-size:12px;font-weight:900;padding:4px 9px;border-radius:999px;background:rgba(15,159,122,.10);color:#0f7a5e;border:1px solid rgba(15,159,122,.22)}
.status.pending{background:rgba(255,106,0,.10);color:#9a4b00;border-color:rgba(255,106,0,.22)}
.contact-card{display:grid;grid-template-columns:1fr 240px;gap:28px;align-items:center}
.qr{border:1px solid var(--line);border-radius:20px;padding:14px;background:#fff;text-align:center}.qr img{width:190px;margin:0 auto 10px}.qr span{font-size:12px;color:var(--muted)}
.footer{position:relative;background:#05060f;color:#aeb9c9;padding:64px 0 28px;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 12% 0%,rgba(40,215,255,.16),transparent 28rem),radial-gradient(circle at 88% 10%,rgba(0,87,243,.20),transparent 30rem)}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;margin-bottom:38px}
.footer h4{color:#fff;margin:0 0 14px;font-size:16px}.footer a{display:block;color:#aeb9c9;margin:8px 0;transition:.2s}.footer a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}.footer-brand img{filter:brightness(1.8)}
.beian{position:relative;border-top:1px solid rgba(184,215,247,.14);padding-top:22px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;font-size:13px}
.beian a{color:#8fa0b5}.beian a:hover{color:#fff}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);z-index:80;background:#0b1526;color:#fff;padding:13px 18px;border-radius:999px;box-shadow:0 18px 44px rgba(0,0,0,.24);opacity:0;pointer-events:none;transition:.35s var(--ease)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.reveal{opacity:0;transform:translateY(26px);transition:.8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:.22}50%{opacity:1}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}}
@media (max-width:1080px){.hero-grid,.split{grid-template-columns:1fr}.hero-visual{min-height:520px}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.nav-links{position:fixed;top:76px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;background:rgba(255,253,249,.96);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:13px 16px}.menu-toggle{display:block}.nav-cta .btn-ghost{display:none}}
@media (max-width:720px){.container{width:min(100% - 32px,var(--max))}.nav-wrap{height:68px}.brand img{width:116px}.brand-sub{display:none}.hero{padding-top:128px}.hero-metrics{grid-template-columns:repeat(2,1fr)}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:70px 0}.section-head{grid-template-columns:1fr}.console{left:4%;right:4%;top:6%;bottom:8%}.node{min-width:108px;padding:10px}.node.core{width:158px}.console-bottom{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.contact-card,.download-card,.banner-inner{grid-template-columns:1fr}.beian{justify-content:flex-start}.nav-cta .btn{display:none}}

/* 部署下载页：中间件部署包 */
.package-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.package-card{position:relative;display:flex;flex-direction:column;min-height:390px;border:1px solid var(--line);border-radius:28px;background:rgba(255,253,249,.82);box-shadow:0 14px 44px rgba(7,22,43,.06);padding:28px;overflow:hidden;transition:.35s var(--ease)}
.package-card::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,87,243,.08),transparent 46%);opacity:0;transition:.35s var(--ease)}
.package-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(0,87,243,.24)}
.package-card:hover::before{opacity:1}
.package-card>*{position:relative}
.package-card h3{font-size:23px;margin:14px 0 10px}
.package-card p{color:var(--muted);margin:0 0 16px}
.package-card .btn{align-self:flex-start;margin-top:auto}
.package-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,rgba(0,87,243,.10),rgba(40,215,255,.14));color:var(--blue);margin-bottom:14px}
.package-icon svg{width:34px;height:34px}
.package-url{margin:14px 0 22px;padding:10px 12px;border:1px dashed rgba(0,87,243,.26);border-radius:12px;background:rgba(0,87,243,.045);color:#456070;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;word-break:break-all}
@media (max-width:1080px){.package-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.package-grid{grid-template-columns:1fr}.package-card{min-height:0}}