/* ============================================================
   OPC 一站式服务平台 · 门户样式
   设计语言：深空蓝渐变 + 玻璃拟态卡片 + 霓虹渐变点缀（年轻化 / 专业）
   ============================================================ */
:root {
  --primary: #1668dc; --primary-deep: #0a3d91; --primary-dark: #0a2540;
  --cyan: #00c2ff; --violet: #7c3aed; --pink: #db2777;
  --bg: #f4f7fc; --card: #ffffff; --line: #e6ecf5;
  --text: #17233d; --text2: #5a6a85; --text3: #8b99b0;
  --grad-1: linear-gradient(120deg,#1668dc 0%,#00c2ff 100%);
  --grad-2: linear-gradient(120deg,#7c3aed,#2563eb);
  --shadow-1: 0 4px 18px rgba(23,42,76,.06);
  --shadow-2: 0 14px 40px rgba(13,51,110,.14);
  --r-lg: 20px; --r-md: 14px; --r-sm: 10px;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif; background:var(--bg); color:var(--text); -webkit-font-smoothing:antialiased; }
a { text-decoration:none; color:inherit; cursor:pointer; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
img { max-width:100%; }
::-webkit-scrollbar { width:8px; height:8px; } ::-webkit-scrollbar-thumb { background:#c3cfe2; border-radius:4px; }

/* ---------- 顶部导航 ---------- */
.site-header { position:fixed; top:0; left:0; right:0; z-index:900; transition:.3s; }
.header-inner { max-width:1440px; margin:0 auto; display:flex; align-items:center; gap:22px; padding:14px 24px; }
.site-header:not(.solid) { background:linear-gradient(180deg,rgba(6,18,44,.72),rgba(6,18,44,0)); backdrop-filter:blur(2px); }
.site-header.solid { background:rgba(255,255,255,.92); backdrop-filter:blur(18px); box-shadow:0 2px 18px rgba(13,51,110,.08); }
.brand { display:flex; align-items:center; gap:10px; cursor:pointer; flex-shrink:0; }
.brand-badge { width:42px; height:42px; border-radius:13px; background:var(--grad-1); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:900; font-size:15px; letter-spacing:.5px; box-shadow:0 6px 16px rgba(22,104,220,.35); flex-shrink:0; }
.brand-badge.big { width:52px; height:52px; border-radius:16px; font-size:18px; margin:0 auto 14px; }
.brand-text { font-weight:800; font-size:18px; letter-spacing:.3px; color:#fff; }
.brand-text em { font-style:normal; font-weight:600; color:rgba(255,255,255,.85); font-size:15px; margin-left:4px; }
.site-header.solid .brand-text { color:var(--text); } .site-header.solid .brand-text em { color:var(--primary); }
.main-nav { display:flex; gap:2px; flex:1; justify-content:center; flex-wrap:nowrap; min-width:0; overflow:hidden; }
.main-nav a { padding:8px 13px; border-radius:999px; font-size:14px; font-weight:500; color:rgba(255,255,255,.88); transition:.25s; white-space:nowrap; }
.main-nav a:hover { color:#fff; background:rgba(255,255,255,.14); }
.main-nav a.on { color:#fff; background:linear-gradient(120deg,rgba(22,104,220,.9),rgba(0,194,255,.75)); box-shadow:0 4px 14px rgba(0,120,255,.35); }
.site-header.solid .main-nav a { color:var(--text2); }
.site-header.solid .main-nav a:hover { color:var(--primary); background:rgba(22,104,220,.08); }
.site-header.solid .main-nav a.on { color:#fff; }
.header-actions { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.screen-entry { display:flex; align-items:center; gap:6px; font-size:13px; font-weight:600; color:#fff; padding:8px 14px; border-radius:999px; border:1px solid rgba(255,255,255,.35); background:rgba(255,255,255,.08); backdrop-filter:blur(6px); transition:.25s; white-space:nowrap; }
.screen-entry:hover { background:rgba(255,255,255,.18); transform:translateY(-1px); }
.site-header.solid .screen-entry { color:var(--primary); border-color:rgba(22,104,220,.35); background:rgba(22,104,220,.06); }
.screen-entry .icn { width:14px; height:14px; display:inline-block; background:currentColor; mask:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2"><rect x="3" y="4" width="18" height="12" rx="1"/><path d="M8 20h8M12 16v4"/></svg>') center/contain no-repeat; -webkit-mask:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2"><rect x="3" y="4" width="18" height="12" rx="1"/><path d="M8 20h8M12 16v4"/></svg>') center/contain no-repeat; }
.user-zone { display:flex; align-items:center; gap:10px; }
.user-chip { display:flex; align-items:center; gap:9px; padding:6px 14px 6px 7px; border-radius:999px; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.28); cursor:pointer; transition:.25s; position:relative; }
.user-chip:hover { background:rgba(255,255,255,.2); }
.site-header.solid .user-chip { background:#f0f5ff; border-color:var(--line); }
.user-avatar { width:30px; height:30px; border-radius:50%; background:var(--grad-1); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; }
.user-name { font-size:13px; font-weight:600; color:#fff; } .site-header.solid .user-name { color:var(--text); }
.user-menu { position:absolute; top:calc(100% + 10px); right:0; background:#fff; border-radius:14px; box-shadow:var(--shadow-2); padding:8px; min-width:190px; display:none; z-index:99; }
.user-chip.open .user-menu { display:block; }
.user-menu a { display:flex; align-items:center; gap:10px; padding:10px 14px; border-radius:10px; font-size:13.5px; color:var(--text2); transition:.2s; }
.user-menu a:hover { background:#f0f5ff; color:var(--primary); }
.btn-login { padding:8px 20px; border-radius:999px; font-size:13.5px; font-weight:700; color:var(--primary-deep); background:#fff; box-shadow:var(--shadow-1); }
.btn-login + .btn-login { background:var(--grad-1); color:#fff; }
.site-header.solid .btn-login { background:var(--grad-1); color:#fff; }

/* ---------- 首页 Hero ---------- */
.hero { position:relative; min-height:640px; display:flex; align-items:center; overflow:hidden; background:radial-gradient(1200px 600px at 18% 20%, #123f8f 0%, transparent 55%), radial-gradient(1000px 520px at 85% 78%, #0c5aa8 0%, transparent 50%), linear-gradient(135deg,#07142e 0%, #0a2540 55%, #082038 100%); }
.hero::before { content:''; position:absolute; inset:0; background-image:linear-gradient(rgba(80,150,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(80,150,255,.07) 1px,transparent 1px); background-size:52px 52px; mask-image:radial-gradient(700px 500px at 60% 40%,#000 30%,transparent 80%); }
.hero-particles { position:absolute; inset:0; overflow:hidden; }
.hero-particles i { position:absolute; border-radius:50%; background:radial-gradient(circle,rgba(0,194,255,.85),rgba(0,194,255,0)); opacity:.5; animation:floatUp linear infinite; }
@keyframes floatUp { 0% { transform:translateY(20px) scale(.6); opacity:0; } 12% { opacity:.7; } 88% { opacity:.4; } 100% { transform:translateY(-560px) scale(1.15); opacity:0; } }
.hero-inner { position:relative; z-index:2; max-width:1360px; margin:0 auto; padding:130px 28px 80px; width:100%; display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center; }
.hero-kicker { display:inline-flex; align-items:center; gap:8px; padding:7px 16px; border-radius:999px; border:1px solid rgba(0,194,255,.4); background:rgba(0,194,255,.08); color:#7fd8ff; font-size:13px; font-weight:600; letter-spacing:1px; margin-bottom:22px; }
.hero-kicker::before { content:''; width:7px; height:7px; border-radius:50%; background:#00c2ff; box-shadow:0 0 12px #00c2ff; animation:pulse 1.8s infinite; }
@keyframes pulse { 50% { opacity:.35; } }
.hero h1 { font-size:52px; line-height:1.18; color:#fff; font-weight:800; letter-spacing:1px; }
.hero h1 .grad { background:linear-gradient(100deg,#00c2ff,#7fd8ff 45%,#a78bfa); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.hero p.sub { margin-top:18px; font-size:16.5px; line-height:1.9; color:rgba(224,236,255,.82); max-width:560px; }
.hero-cta { display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }
.btn-hero { padding:14px 30px; border-radius:14px; font-size:15.5px; font-weight:700; display:inline-flex; align-items:center; gap:8px; transition:.28s; }
.btn-hero.main { background:linear-gradient(120deg,#1668dc,#00a2ff); color:#fff; box-shadow:0 10px 30px rgba(0,140,255,.45); }
.btn-hero.main:hover { transform:translateY(-3px); box-shadow:0 16px 40px rgba(0,140,255,.55); }
.btn-hero.ghost { border:1.5px solid rgba(255,255,255,.4); color:#fff; backdrop-filter:blur(4px); }
.btn-hero.ghost:hover { background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.7); }
.hero-kpis { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:44px; max-width:640px; }
.hero-kpi { padding:16px 6px; text-align:center; border-radius:16px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); backdrop-filter:blur(8px); }
.hero-kpi b { display:block; font-size:26px; font-weight:800; color:#fff; }
.hero-kpi b i { font-style:normal; font-size:14px; color:#7fd8ff; margin-left:2px; }
.hero-kpi span { display:block; margin-top:5px; font-size:12.5px; color:rgba(200,220,255,.65); }
/* Hero 右侧视觉卡 */
.hero-visual { position:relative; }
.hero-visual .hv-photo { position:absolute; inset:-26px -30px 26px 30px; border-radius:24px; background:url('img/park.jpg') center/cover no-repeat; opacity:.16; filter:saturate(.8); mask-image:linear-gradient(180deg,transparent 0%,#000 45%); -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 45%); pointer-events:none; }
.orbit-card { position:relative; border-radius:22px; background:linear-gradient(150deg,rgba(20,42,86,.55),rgba(10,26,58,.55)); border:1px solid rgba(255,255,255,.2); backdrop-filter:blur(14px); padding:22px; box-shadow:0 30px 80px rgba(2,10,30,.5); animation:floatY 6s ease-in-out infinite; }
@keyframes floatY { 50% { transform:translateY(-12px); } }
.orbit-card h5 { color:#fff; font-size:15px; font-weight:700; display:flex; align-items:center; gap:8px; margin-bottom:14px; }
.orbit-card h5::before { content:''; width:8px; height:8px; border-radius:50%; background:#00c2ff; box-shadow:0 0 10px #00c2ff; }
.orbit-row { display:flex; align-items:center; justify-content:space-between; padding:11px 12px; border-radius:12px; background:rgba(255,255,255,.07); margin-bottom:9px; }
.orbit-row .n { color:rgba(230,240,255,.9); font-size:13px; font-weight:600; display:flex; align-items:center; gap:9px; }
.orbit-row .dot { width:30px; height:30px; border-radius:9px; display:flex; align-items:center; justify-content:center; color:#fff; }
.orbit-row .v { color:#7fd8ff; font-weight:800; font-size:15px; }
.hero-float-tag { position:absolute; padding:10px 16px; border-radius:14px; background:rgba(10,30,66,.88); border:1px solid rgba(0,194,255,.35); backdrop-filter:blur(10px); color:#fff; font-size:12.5px; font-weight:600; display:flex; align-items:center; gap:8px; box-shadow:0 12px 34px rgba(2,10,30,.45); animation:floatY 5s ease-in-out infinite; white-space:nowrap; z-index:3; }
.hero-float-tag .ok { width:20px; height:20px; border-radius:50%; background:#10b981; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.hero-float-tag.ft-audit { top:14px; right:-12px; }
.hero-float-tag.ft-gmv { bottom:14px; left:-12px; animation-delay:1.2s; }

/* ---------- 通用区块 ---------- */
.section { max-width:1360px; margin:0 auto; padding:66px 28px 0; }
.sec-head { display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:26px; }
.sec-title { font-size:28px; font-weight:800; color:var(--text); letter-spacing:.5px; display:flex; align-items:center; gap:12px; }
.sec-title .bar { width:6px; height:26px; border-radius:3px; background:var(--grad-1); }
.sec-title em { font-style:normal; font-size:12.5px; font-weight:700; color:var(--text3); letter-spacing:2.5px; margin-left:2px; }
.sec-more { font-size:13.5px; font-weight:600; color:var(--text2); display:flex; align-items:center; gap:5px; transition:.2s; }
.sec-more:hover { color:var(--primary); }

/* 公告条 */
.notice-bar { max-width:1360px; margin:26px auto 0; padding:0 28px; }
.notice-inner { display:flex; align-items:center; gap:12px; background:linear-gradient(120deg,rgba(22,104,220,.07),rgba(0,194,255,.06)); border:1px solid rgba(22,104,220,.15); border-radius:14px; padding:12px 18px; overflow:hidden; }
.notice-tag { flex-shrink:0; padding:4px 12px; border-radius:8px; background:var(--grad-1); color:#fff; font-size:12px; font-weight:700; }
.notice-scroll { flex:1; height:22px; overflow:hidden; position:relative; }
.notice-scroll span { position:absolute; width:100%; line-height:22px; font-size:13.5px; color:var(--text2); white-space:nowrap; text-overflow:ellipsis; overflow:hidden; transition:.5s; opacity:0; }
.notice-scroll span.on { opacity:1; }

/* 卡片通用 */
.card { background:var(--card); border-radius:var(--r-lg); box-shadow:var(--shadow-1); border:1px solid var(--line); transition:.3s; }
.card:hover { box-shadow:var(--shadow-2); transform:translateY(-4px); }

/* 社区卡片 */
.community-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.community-card { overflow:hidden; cursor:pointer; position:relative; }
.cc-top { height:130px; position:relative; display:flex; align-items:flex-end; padding:16px; }
.cc-top::after { content:''; position:absolute; inset:0; background:linear-gradient(180deg,rgba(8,20,45,.1) 30%,rgba(8,20,45,.72)); }
.cc-tag { position:absolute; top:14px; left:14px; z-index:2; padding:4px 12px; border-radius:999px; background:rgba(8,20,45,.45); backdrop-filter:blur(6px); color:#fff; font-size:12px; font-weight:700; border:1px solid rgba(255,255,255,.3); }
.cc-name { position:relative; z-index:2; color:#fff; font-size:17px; font-weight:800; text-shadow:0 2px 8px rgba(4,12,30,.6); }
.cc-body { padding:16px 18px 18px; }
.cc-addr { font-size:12.5px; color:var(--text3); display:flex; align-items:center; gap:5px; margin-bottom:10px; }
.cc-desc { font-size:13px; line-height:1.75; color:var(--text2); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; min-height:46px; }
.cc-stats { display:flex; gap:22px; margin-top:14px; padding-top:13px; border-top:1px dashed var(--line); }
.cc-stat b { font-size:18px; font-weight:800; color:var(--primary-deep); } .cc-stat b i { font-style:normal; font-size:12px; color:var(--text3); }
.cc-stat span { display:block; font-size:11.5px; color:var(--text3); margin-top:2px; }

/* 需求卡片 */
.demand-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.demand-card { padding:20px; cursor:pointer; display:flex; flex-direction:column; }
.dc-top { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.dc-type { padding:4px 12px; border-radius:8px; font-size:12px; font-weight:700; color:var(--primary); background:rgba(22,104,220,.08); }
.dc-status { font-size:12px; font-weight:700; padding:4px 10px; border-radius:999px; }
.dc-status.s0 { color:#059669; background:rgba(5,150,105,.1); } .dc-status.s1 { color:#d97706; background:rgba(217,119,6,.1); } .dc-status.s2 { color:var(--text3); background:#eef2f8; }
.dc-title { font-size:15.5px; font-weight:700; line-height:1.5; margin-bottom:9px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.dc-desc { font-size:12.8px; color:var(--text2); line-height:1.7; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.dc-budget { margin-top:13px; font-size:19px; font-weight:800; background:linear-gradient(100deg,#1668dc,#00c2ff); -webkit-background-clip:text; background-clip:text; -webkit-fill-color:transparent; -webkit-text-fill-color:transparent; }
.dc-foot { display:flex; justify-content:space-between; align-items:center; margin-top:12px; padding-top:12px; border-top:1px dashed var(--line); font-size:12px; color:var(--text3); }

/* 数字员工 */
.emp-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.emp-card { padding:22px; cursor:pointer; position:relative; overflow:hidden; }
.emp-card::before { content:''; position:absolute; top:-40px; right:-40px; width:120px; height:120px; border-radius:50%; background:var(--g); opacity:.1; transition:.4s; }
.emp-card:hover::before { transform:scale(1.8); }
.emp-icon { width:52px; height:52px; border-radius:15px; background:var(--g); color:#fff; display:flex; align-items:center; justify-content:center; box-shadow:0 8px 20px rgba(20,60,140,.22); }
.emp-name { font-size:16.5px; font-weight:800; margin-top:14px; display:flex; align-items:center; gap:7px; }
.emp-name .hot { font-size:10.5px; font-weight:800; color:#dc2626; background:rgba(220,38,38,.1); border-radius:6px; padding:2px 7px; }
.emp-cat { font-size:12px; color:var(--text3); margin-top:3px; }
.emp-desc { font-size:12.8px; color:var(--text2); line-height:1.7; margin-top:10px; min-height:44px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.emp-skillz { display:flex; flex-wrap:wrap; gap:6px; margin-top:12px; }
.emp-skillz span { font-size:11px; padding:3px 9px; border-radius:6px; background:#f0f5ff; color:var(--primary); font-weight:600; }
.emp-foot { display:flex; justify-content:space-between; align-items:center; margin-top:14px; }
.emp-use { font-size:11.5px; color:var(--text3); }
.emp-btn { font-size:12.5px; font-weight:700; color:var(--primary); padding:6px 15px; border-radius:999px; background:rgba(22,104,220,.08); transition:.2s; }
.emp-card:hover .emp-btn { background:var(--grad-1); color:#fff; }

/* 课程 */
.course-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.course-card { overflow:hidden; cursor:pointer; }
.course-cover { height:118px; position:relative; background-color:#0e2a52; }
.course-cover::after { content:''; position:absolute; inset:0; background:linear-gradient(180deg,transparent 40%,rgba(8,20,45,.35)); }
.course-cover .lv { position:absolute; top:10px; right:10px; z-index:2; padding:3px 10px; border-radius:8px; background:rgba(8,20,45,.55); backdrop-filter:blur(4px); color:#fff; font-size:11.5px; font-weight:700; }
.course-body { padding:15px 16px 17px; }
.course-cat { font-size:11.5px; font-weight:700; color:var(--cyan); }
.course-title { font-size:14.5px; font-weight:700; line-height:1.5; margin:7px 0 6px; min-height:43px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.course-lec { font-size:12px; color:var(--text3); }
.course-meta { display:flex; gap:14px; margin-top:11px; padding-top:11px; border-top:1px dashed var(--line); font-size:12px; color:var(--text3); }
.course-meta b { color:var(--primary); }

/* 资讯 */
.news-grid { display:grid; grid-template-columns:1.25fr 1fr; gap:22px; }
.news-hero { overflow:hidden; cursor:pointer; position:relative; height:100%; min-height:380px; }
.news-hero .nh-cover { position:absolute; inset:0; background-color:#0e2a52; }
.news-item .ni-thumb { width:74px; height:56px; border-radius:10px; flex-shrink:0; background-color:#0e2a52; }
.news-hero .nh-body { position:absolute; left:0; right:0; bottom:0; padding:26px; background:linear-gradient(180deg,transparent,rgba(5,15,35,.88)); }
.nh-type { display:inline-block; padding:4px 12px; border-radius:8px; background:rgba(0,194,255,.25); border:1px solid rgba(0,194,255,.4); color:#bdeaff; font-size:12px; font-weight:700; margin-bottom:12px; }
.news-hero h3 { color:#fff; font-size:21px; line-height:1.5; font-weight:800; }
.news-hero p { color:rgba(220,232,255,.75); font-size:13.5px; margin-top:10px; line-height:1.7; }
.news-list { display:flex; flex-direction:column; gap:14px; }
.news-item { padding:16px 18px; display:flex; gap:14px; align-items:center; cursor:pointer; }
.news-item .ni-date { flex-shrink:0; width:56px; text-align:center; }
.ni-date b { display:block; font-size:21px; font-weight:800; color:var(--primary-deep); line-height:1.1; }
.ni-date span { font-size:11.5px; color:var(--text3); }
.news-item .ni-body { flex:1; min-width:0; }
.ni-type { font-size:11px; font-weight:700; color:var(--cyan); }
.news-item h4 { font-size:14px; font-weight:700; line-height:1.55; margin-top:4px; display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden; }
.news-item:hover h4 { color:var(--primary); }
.ni-meta { font-size:11.5px; color:var(--text3); margin-top:5px; }

/* ---------- 页面通用头 ---------- */
.page { min-height:100vh; padding:108px 0 80px; }
.page-hero { position:relative; padding:54px 0 46px; background:radial-gradient(900px 400px at 20% 0%,rgba(22,104,220,.1),transparent 55%),linear-gradient(160deg,#081d42,#0d3568 60%,#0a2a52); overflow:hidden; }
.page-hero::before { content:''; position:absolute; inset:0; background-image:linear-gradient(rgba(90,160,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(90,160,255,.08) 1px,transparent 1px); background-size:44px 44px; mask-image:radial-gradient(600px 300px at 70% 30%,#000,transparent 75%); }
.page-hero .ph-inner { max-width:1360px; margin:0 auto; padding:0 28px; position:relative; z-index:2; }
.page-hero h1 { color:#fff; font-size:34px; font-weight:800; letter-spacing:1px; }
.page-hero .crumb { color:rgba(190,215,255,.65); font-size:13px; margin-bottom:12px; }
.page-hero .crumb b { color:#7fd8ff; }
.page-hero p { color:rgba(215,230,255,.8); font-size:14.5px; margin-top:12px; max-width:720px; line-height:1.8; }
.page-body { max-width:1360px; margin:0 auto; padding:34px 28px 0; }

/* 筛选条 */
.filter-bar { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:24px; }
.chip { padding:8px 18px; border-radius:999px; font-size:13.5px; font-weight:600; color:var(--text2); background:#fff; border:1px solid var(--line); transition:.22s; cursor:pointer; }
.chip:hover { color:var(--primary); border-color:rgba(22,104,220,.4); }
.chip.on { background:var(--grad-1); color:#fff; border-color:transparent; box-shadow:0 6px 16px rgba(22,104,220,.3); }
.search-input { display:flex; align-items:center; gap:8px; margin-left:auto; background:#fff; border:1px solid var(--line); border-radius:999px; padding:9px 18px; width:280px; }
.search-input input { border:none; outline:none; flex:1; font-size:13.5px; background:transparent; }
.search-input svg { color:var(--text3); }

/* OPC 落户 */
.opc-layout { display:grid; grid-template-columns:290px 1fr; gap:22px; }
.city-panel { padding:18px; position:sticky; top:96px; height:fit-content; max-height:calc(100vh - 120px); overflow:auto; }
.city-panel h4 { font-size:14.5px; font-weight:800; margin-bottom:12px; display:flex; align-items:center; gap:8px; }
.city-panel h4 .cnt { font-size:12px; color:var(--text3); font-weight:600; }
.city-list { display:flex; flex-direction:column; gap:4px; }
.city-item { padding:9px 13px; border-radius:10px; font-size:13.5px; color:var(--text2); cursor:pointer; transition:.2s; display:flex; justify-content:space-between; align-items:center; }
.city-item:hover { background:#f0f5ff; color:var(--primary); }
.city-item.on { background:var(--grad-1); color:#fff; font-weight:700; }
.city-item .n { font-size:11.5px; opacity:.75; }
.city-search { width:100%; border:1px solid var(--line); border-radius:10px; padding:9px 13px; font-size:13px; outline:none; margin-bottom:12px; background:#f8fafd; }
.city-search:focus { border-color:var(--primary); background:#fff; }

/* 企业表格卡 */
.ent-card { padding:18px 20px; display:flex; gap:16px; align-items:center; cursor:pointer; margin-bottom:14px; }
.ent-logo { width:52px; height:52px; border-radius:14px; background:var(--g); color:#fff; display:flex; align-items:center; justify-content:center; font-size:19px; font-weight:800; flex-shrink:0; }
.ent-info { flex:1; min-width:0; }
.ent-name { font-size:15.5px; font-weight:800; display:flex; align-items:center; gap:8px; }
.ent-name .badge { font-size:10.5px; font-weight:700; color:#059669; background:rgba(5,150,105,.1); padding:2px 8px; border-radius:6px; }
.ent-meta { display:flex; gap:16px; margin-top:7px; font-size:12.5px; color:var(--text3); flex-wrap:wrap; }
.ent-go { flex-shrink:0; }

/* 详情弹层 */
.detail-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:14px; }
.dg-item { background:#f6f9fe; border-radius:12px; padding:12px 15px; }
.dg-item label { font-size:11.5px; color:var(--text3); display:block; }
.dg-item b { font-size:13.5px; color:var(--text); }

/* 新闻页 */
.news-page-grid { display:grid; grid-template-columns:1fr; gap:16px; max-width:900px; margin:0 auto; }
.news-row { display:flex; gap:18px; padding:18px; cursor:pointer; }
.news-cover { width:210px; height:128px; border-radius:14px; flex-shrink:0; background-color:#0e2a52; }
.news-row h3 { font-size:16.5px; font-weight:800; line-height:1.5; }
.news-row:hover h3 { color:var(--primary); }
.news-row p { font-size:13px; color:var(--text2); line-height:1.75; margin-top:8px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.news-row .meta { display:flex; gap:16px; margin-top:10px; font-size:12px; color:var(--text3); }
.article-wrap { max-width:860px; margin:0 auto; }
.article-head h1 { font-size:26px; font-weight:800; line-height:1.45; }
.article-head .meta { display:flex; gap:18px; margin-top:14px; color:var(--text3); font-size:13px; }
.article-hero { margin-top:22px; height:340px; border-radius:18px; background-color:#0e2a52; box-shadow:var(--shadow-1); }
.article-body { margin-top:26px; background:#fff; border-radius:var(--r-lg); padding:34px 38px; border:1px solid var(--line); }
.article-body p { font-size:15px; line-height:2; color:var(--text); margin-bottom:16px; text-align:justify; }

/* 云算服务 */
.cloud-tabs { display:flex; gap:10px; margin-bottom:24px; }
.cloud-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }

/* 模型列表表格 */
.model-table { width:100%; border-collapse:collapse; font-size:13px; }
.model-table th { text-align:left; padding:13px 16px; font-size:12px; font-weight:700; color:var(--text3); background:#f7f9fd; border-bottom:1px solid var(--line); white-space:nowrap; }
.model-table th:first-child { border-radius:16px 0 0 0; } .model-table th:last-child { border-radius:0 16px 0 0; }
.model-table td { padding:14px 16px; border-bottom:1px solid #f0f4fa; color:var(--text2); vertical-align:middle; }
.model-table tr:hover td { background:#f8fbff; }
.cloud-card { padding:22px; position:relative; }
.cloud-card .cc-badge { position:absolute; top:18px; right:18px; font-size:11px; font-weight:700; color:#0891b2; background:rgba(8,145,178,.1); padding:3px 10px; border-radius:999px; }
.cloud-card .cc-badge.hot { color:#dc2626; background:rgba(220,38,38,.08); }
.cloud-name { font-size:16.5px; font-weight:800; }
.cloud-spec { margin-top:12px; display:flex; flex-direction:column; gap:8px; }
.cloud-spec .row { display:flex; justify-content:space-between; font-size:13px; }
.cloud-spec .row span { color:var(--text3); } .cloud-spec .row b { font-weight:600; color:var(--text); }
.cloud-price { display:flex; align-items:baseline; gap:4px; margin-top:16px; padding-top:15px; border-top:1px dashed var(--line); }
.cloud-price b { font-size:24px; font-weight:800; color:var(--primary); }
.cloud-price i { font-style:normal; font-size:12.5px; color:var(--text3); }
.cloud-buy { margin-top:14px; width:100%; padding:11px; border-radius:12px; background:var(--grad-1); color:#fff; font-size:14px; font-weight:700; transition:.25s; }
.cloud-buy:hover { transform:translateY(-2px); box-shadow:0 10px 24px rgba(22,104,220,.35); }

/* 机会平台发布 */
.pub-form { max-width:860px; margin:0 auto; padding:30px 34px; }
.form-row { margin-bottom:20px; }
.form-row label { display:block; font-size:13.5px; font-weight:700; margin-bottom:9px; }
.form-row label i { color:#dc2626; font-style:normal; margin-left:2px; }
.form-row input, .form-row textarea, .form-row select { width:100%; border:1.5px solid var(--line); border-radius:12px; padding:12px 16px; font-size:14px; outline:none; transition:.2s; font-family:inherit; background:#fbfcff; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color:var(--primary); background:#fff; box-shadow:0 0 0 4px rgba(22,104,220,.08); }
.form-row textarea { min-height:130px; resize:vertical; line-height:1.7; }
.form-cols { display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* 社区 */
.post-item { padding:22px 24px; margin-bottom:16px; cursor:pointer; }
.post-head { display:flex; align-items:center; gap:11px; margin-bottom:12px; }
.p-avatar { width:38px; height:38px; border-radius:50%; background:var(--g); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; flex-shrink:0; }
.post-head .p-name { font-size:14px; font-weight:700; }
.post-head .p-badge { font-size:10.5px; font-weight:700; padding:2px 8px; border-radius:6px; }
.post-head .p-time { font-size:12px; color:var(--text3); margin-left:auto; }
.post-title { font-size:16.5px; font-weight:800; line-height:1.55; }
.post-item:hover .post-title { color:var(--primary); }
.post-excerpt { font-size:13.5px; color:var(--text2); line-height:1.75; margin-top:9px; }
.post-tags { display:flex; gap:8px; margin-top:13px; }
.post-tags span { font-size:11.5px; padding:3px 11px; border-radius:999px; background:rgba(22,104,220,.07); color:var(--primary); font-weight:600; }
.post-foot { display:flex; gap:22px; margin-top:14px; padding-top:13px; border-top:1px dashed var(--line); font-size:12.5px; color:var(--text3); }
.post-foot b { color:var(--primary); }

/* 社区提问 & AI */
.ask-card { position:sticky; top:96px; }
.ask-btn { width:100%; padding:14px; border-radius:14px; background:var(--grad-2); color:#fff; font-size:15px; font-weight:700; box-shadow:0 8px 24px rgba(124,58,237,.3); transition:.25s; }
.ask-btn:hover { transform:translateY(-2px); box-shadow:0 14px 32px rgba(124,58,237,.4); }
.community-layout { display:grid; grid-template-columns:1fr 320px; gap:22px; align-items:start; }
.hot-card { padding:20px; }
.hot-card h4 { font-size:14.5px; font-weight:800; margin-bottom:14px; display:flex; align-items:center; gap:7px; }
.hot-item { display:flex; gap:11px; padding:10px 4px; cursor:pointer; border-radius:10px; transition:.2s; }
.hot-item:hover { background:#f6f9fe; }
.hot-item .no { width:20px; height:20px; border-radius:6px; flex-shrink:0; font-size:11.5px; font-weight:800; display:flex; align-items:center; justify-content:center; }
.hot-item .no.g0 { background:rgba(220,38,38,.1); color:#dc2626; } .hot-item .no.g1 { background:rgba(234,88,12,.1); color:#ea580c; } .hot-item .no.g2 { background:rgba(217,119,6,.1); color:#d97706; } .hot-item .no.g3 { background:#eef2f8; color:var(--text3); }
.hot-item p { font-size:12.8px; line-height:1.55; color:var(--text); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }

/* 聊天弹层 */
.chat-wrap { position:fixed; inset:0; z-index:1200; display:none; }
.chat-wrap.show { display:flex; align-items:center; justify-content:center; }
.chat-mask { position:absolute; inset:0; background:rgba(8,18,40,.6); backdrop-filter:blur(6px); }
.chat-box { position:relative; width:min(760px,94vw); height:min(640px,86vh); background:#fff; border-radius:22px; display:flex; flex-direction:column; overflow:hidden; box-shadow:0 40px 100px rgba(3,12,35,.5); animation:popIn .3s cubic-bezier(.2,.9,.3,1.2); }
@keyframes popIn { from { transform:scale(.92) translateY(16px); opacity:0; } }
.chat-head { padding:18px 24px; background:var(--g); color:#fff; display:flex; align-items:center; gap:12px; flex-shrink:0; }
.chat-head .t-avatar { width:40px; height:40px; border-radius:12px; background:rgba(255,255,255,.22); display:flex; align-items:center; justify-content:center; }
.chat-head b { font-size:16px; } .chat-head span { display:block; font-size:12px; opacity:.85; margin-top:2px; }
.chat-head .online { margin-left:auto; display:flex; align-items:center; gap:6px; font-size:12px; }
.chat-head .online::before { content:''; width:8px; height:8px; border-radius:50%; background:#4ade80; box-shadow:0 0 8px #4ade80; animation:pulse 1.6s infinite; }
.chat-close { margin-left:14px; font-size:22px; opacity:.8; }
.chat-close:hover { opacity:1; }
.chat-messages { flex:1; overflow-y:auto; padding:22px 24px; display:flex; flex-direction:column; gap:16px; background:linear-gradient(180deg,#f7faff,#f2f6fd); }
.msg { display:flex; gap:11px; max-width:86%; }
.msg.me { align-self:flex-end; flex-direction:row-reverse; }
.msg .m-avatar { width:34px; height:34px; border-radius:10px; flex-shrink:0; display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:13px; }
.msg .m-bubble { padding:13px 17px; border-radius:16px; font-size:14px; line-height:1.8; white-space:pre-wrap; word-break:break-word; }
.msg.ai .m-bubble { background:#fff; border:1px solid var(--line); border-top-left-radius:5px; color:var(--text); box-shadow:var(--shadow-1); }
.msg.me .m-bubble { background:var(--grad-1); color:#fff; border-top-right-radius:5px; }
.typing-dots { display:inline-flex; gap:5px; padding:6px 2px; }
.typing-dots i { width:7px; height:7px; border-radius:50%; background:#9db6d8; animation:td 1.2s infinite; }
.typing-dots i:nth-child(2) { animation-delay:.18s; } .typing-dots i:nth-child(3) { animation-delay:.36s; }
@keyframes td { 0%,60%,100% { transform:translateY(0); opacity:.5; } 30% { transform:translateY(-5px); opacity:1; } }
.chat-inputbar { padding:15px 20px; border-top:1px solid var(--line); display:flex; gap:12px; background:#fff; flex-shrink:0; }
.chat-inputbar input { flex:1; border:1.5px solid var(--line); border-radius:12px; padding:12px 16px; font-size:14px; outline:none; }
.chat-inputbar input:focus { border-color:var(--primary); }
.chat-send { padding:0 24px; border-radius:12px; background:var(--grad-1); color:#fff; font-weight:700; font-size:14px; display:flex; align-items:center; gap:7px; }
.chat-suggests { display:flex; gap:8px; padding:0 20px 14px; background:#fff; flex-wrap:wrap; flex-shrink:0; }
.chat-suggests button { font-size:12px; padding:6px 13px; border-radius:999px; border:1px solid rgba(22,104,220,.3); color:var(--primary); background:#f6faff; font-weight:600; transition:.2s; }
.chat-suggests button:hover { background:var(--grad-1); color:#fff; }

/* 个人中心 */
.profile-layout { display:grid; grid-template-columns:280px 1fr; gap:22px; align-items:start; }
.profile-side { padding:0; overflow:hidden; }
.ps-head { padding:26px 22px; background:linear-gradient(135deg,#0d3568,#1668dc); display:flex; align-items:center; gap:14px; }
.ps-head .p-avatar { width:54px; height:54px; font-size:20px; background:rgba(255,255,255,.25); border:2px solid rgba(255,255,255,.5); }
.ps-head b { color:#fff; font-size:17px; display:block; }
.ps-head span { color:rgba(220,235,255,.8); font-size:12.5px; }
.ps-stats { display:grid; grid-template-columns:1fr 1fr; }
.ps-stat { padding:15px; text-align:center; border-bottom:1px solid var(--line); }
.ps-stat:nth-child(odd) { border-right:1px solid var(--line); }
.ps-stat b { font-size:19px; font-weight:800; color:var(--primary-deep); }
.ps-stat span { display:block; font-size:11.5px; color:var(--text3); margin-top:2px; }
.ps-menu { padding:12px; display:flex; flex-direction:column; gap:3px; }
.ps-menu a { display:flex; align-items:center; gap:11px; padding:12px 15px; border-radius:11px; font-size:13.5px; font-weight:600; color:var(--text2); transition:.2s; }
.ps-menu a:hover, .ps-menu a.on { background:#f0f5ff; color:var(--primary); }
.profile-main { padding:26px 28px; min-height:420px; }
.profile-main h3 { font-size:17px; font-weight:800; margin-bottom:18px; display:flex; align-items:center; gap:9px; }
.list-row { display:flex; align-items:center; justify-content:space-between; padding:15px 4px; border-bottom:1px solid #f0f4fa; font-size:13.5px; }
.list-row:last-child { border:none; }
.coupon-card { display:flex; gap:16px; padding:18px; border-radius:16px; background:linear-gradient(120deg,#1668dc,#00a2ff); color:#fff; margin-bottom:14px; }
.coupon-card.green { background:linear-gradient(120deg,#059669,#10b981); }
.coupon-card .amt { font-size:28px; font-weight:900; } .coupon-card .amt i { font-style:normal; font-size:14px; }
.coupon-card .cinfo b { display:block; font-size:15px; } .coupon-card .cinfo span { font-size:12px; opacity:.85; }
.coupon-card .use-btn { margin-left:auto; align-self:center; padding:8px 18px; border-radius:999px; background:rgba(255,255,255,.22); border:1px solid rgba(255,255,255,.5); color:#fff; font-size:12.5px; font-weight:700; }

/* 课程模拟播放器 */
.player-box { position:relative; width:min(720px,94vw); background:#0c1830; border-radius:18px; overflow:hidden; animation:popIn .3s cubic-bezier(.2,.9,.3,1.15); color:#fff; }
.player-head { display:flex; align-items:center; justify-content:space-between; padding:15px 20px; }
.player-head b { font-size:15px; display:block; }
.player-head span { font-size:12px; color:rgba(200,220,250,.7); }
.player-x { font-size:24px; color:rgba(220,235,255,.75); }
.player-x:hover { color:#fff; }
.player-stage { position:relative; height:360px; background:#050d1d; }
.player-stage img { width:100%; height:100%; object-fit:cover; opacity:.85; }
.player-overlay { position:absolute; inset:0; pointer-events:none; }
.p-live-tag { position:absolute; top:14px; left:14px; display:flex; align-items:center; gap:7px; padding:5px 13px; border-radius:999px; background:rgba(8,20,45,.6); backdrop-filter:blur(6px); font-size:12px; font-weight:700; }
.p-dot { width:8px; height:8px; border-radius:50%; background:#ef4444; animation:pulse 1.4s infinite; }
.p-title-float { position:absolute; bottom:52px; left:16px; font-size:13.5px; font-weight:700; text-shadow:0 2px 8px rgba(0,0,0,.7); }
.p-center-play { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; }
.p-center-play > svg { width:60px; height:60px; padding:16px; box-sizing:content-box; border-radius:50%; background:rgba(10,30,66,.55); border:2px solid rgba(255,255,255,.5); cursor:pointer; }
.player-ctrl { display:flex; align-items:center; gap:13px; padding:12px 18px; background:rgba(6,14,32,.9); }
.pc-btn { color:#dcecff; display:flex; align-items:center; }
.pc-progress { flex:1; height:5px; border-radius:3px; background:rgba(120,160,220,.25); overflow:hidden; }
.pc-bar { height:100%; width:0%; background:linear-gradient(90deg,#1668dc,#00c2ff); border-radius:3px; transition:width .2s linear; }
.pc-time { font-size:11.5px; color:#9cc4f5; font-variant-numeric:tabular-nums; }
.pc-speed, .pc-quality { font-size:11.5px; color:#9cc4f5; }
.player-foot { display:flex; align-items:center; gap:18px; padding:13px 18px 16px; font-size:12.5px; color:rgba(200,220,250,.8); }
.player-foot .btn-primary { margin-left:auto; padding:9px 18px; font-size:12.5px; }

/* 登录弹层 */
.auth-layer { position:fixed; inset:0; z-index:1500; display:none; }
.auth-layer.show { display:block; }
.auth-mask { position:absolute; inset:0; background:rgba(7,16,38,.62); backdrop-filter:blur(8px); }
.auth-card { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); width:min(480px,92vw); background:#fff; border-radius:26px; padding:36px 36px 28px; box-shadow:0 50px 120px rgba(3,10,30,.5); animation:popIn .35s cubic-bezier(.2,.9,.3,1.15); }
.auth-x { position:absolute; top:16px; right:20px; font-size:26px; color:var(--text3); }
.auth-head { text-align:center; margin-bottom:24px; }
.auth-head h3 { font-size:20px; font-weight:800; }
.auth-head p { color:var(--text3); font-size:13px; margin-top:7px; }
.auth-roles { display:flex; flex-direction:column; gap:12px; }
.role-card { display:flex; align-items:center; gap:14px; padding:15px 18px; border-radius:16px; border:1.5px solid var(--line); cursor:pointer; transition:.25s; background:#fbfcff; }
.role-card:hover { border-color:var(--primary); background:#f5f9ff; transform:translateY(-2px); box-shadow:0 10px 26px rgba(22,104,220,.14); }
.role-avatar { width:44px; height:44px; border-radius:13px; color:#fff; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:17px; }
.role-avatar.u { background:linear-gradient(135deg,#0891b2,#22d3ee); } .role-avatar.e { background:linear-gradient(135deg,#7c3aed,#a78bfa); } .role-avatar.a { background:linear-gradient(135deg,#dc2626,#f97316); }
.role-info b { display:block; font-size:15px; }
.role-info span { font-size:12px; color:var(--text3); }
.role-go { margin-left:auto; color:var(--primary); opacity:0; transition:.25s; }
.role-card:hover .role-go { opacity:1; }
.auth-tip { text-align:center; font-size:12px; color:var(--text3); margin-top:20px; padding-top:16px; border-top:1px dashed var(--line); }

/* 页脚（浅色底 · 黑字，解决与深色区对比度问题） */
.site-footer { margin-top:90px; background:#eef2f8; border-top:1px solid var(--line); color:var(--text); }
.footer-brand .cm-logo svg *, .hd-left .cm-logo svg * { stroke: #1668dc !important; fill: none !important; }
.footer-brand .cm-logo span { color: #0a2540 !important; }
.footer-brand .cm-logo span + span { color: #1668dc !important; }
.hd-left .cm-logo span { color: #fff !important; }
.hd-left .cm-logo span + span { color: #9cc4f5 !important; }
.footer-inner { max-width:1360px; margin:0 auto; padding:52px 28px 36px; display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; }
.footer-slogan { color:#0a2540; font-size:17px; font-weight:800; margin-top:16px; letter-spacing:1px; }
.footer-desc { font-size:12.8px; line-height:1.8; margin-top:10px; color:#243349; max-width:320px; }
.footer-col h4 { color:#17233d; font-size:14.5px; font-weight:800; margin-bottom:16px; }
.footer-col a { display:block; font-size:13px; padding:5.5px 0; color:#17233d; transition:.2s; }
.footer-col a:hover { color:var(--primary); }
.footer-base { border-top:1px solid #d4dde9; text-align:center; padding:18px; font-size:12.5px; color:#17233d; background:#dde5f0; }

/* 弹窗 */
.modal-wrap { position:fixed; inset:0; z-index:1600; display:flex; align-items:center; justify-content:center; opacity:0; transition:.25s; }
.modal-wrap.show { opacity:1; }
.modal-mask { position:absolute; inset:0; background:rgba(7,16,38,.55); backdrop-filter:blur(5px); }
.modal-box { position:relative; width:92vw; max-height:86vh; overflow:auto; background:#fff; border-radius:20px; animation:popIn .3s cubic-bezier(.2,.9,.3,1.15); }
.modal-head { display:flex; align-items:center; justify-content:space-between; padding:20px 26px 0; }
.modal-head h3 { font-size:17px; font-weight:800; }
.modal-x { font-size:24px; color:var(--text3); }
.modal-body { padding:18px 26px; }
.modal-foot { display:flex; justify-content:flex-end; gap:12px; padding:0 26px 22px; }
.btn-primary { padding:10px 24px; border-radius:11px; background:var(--grad-1); color:#fff; font-size:13.5px; font-weight:700; }
.btn-ghost { padding:10px 24px; border-radius:11px; background:#eef2f8; color:var(--text2); font-size:13.5px; font-weight:600; }

/* 响应式 */
@media (max-width:1360px) and (min-width:1101px) {
  .main-nav a { padding:8px 10px; font-size:13.2px; }
  .screen-entry .se-text { display:none; }
  .screen-entry { padding:8px 11px; }
}
@media (max-width:1100px) {
  .hero-inner { grid-template-columns:1fr; }
  .hero-visual { display:none; }
  .emp-grid, .course-grid { grid-template-columns:repeat(2,1fr); }
  .community-grid, .demand-grid, .cloud-grid { grid-template-columns:repeat(2,1fr); }
  .news-grid { grid-template-columns:1fr; }
  .main-nav { display:none; }
  .opc-layout, .community-layout, .profile-layout { grid-template-columns:1fr; }
  .ask-card, .city-panel { position:static; }
  .footer-inner { grid-template-columns:1fr 1fr; }
}
@media (max-width:640px) {
  .hero h1 { font-size:34px; }
  .hero-kpis { grid-template-columns:repeat(2,1fr); }
  .community-grid, .demand-grid, .emp-grid, .course-grid, .cloud-grid { grid-template-columns:1fr; }
  .form-cols, .detail-grid { grid-template-columns:1fr; }
  .search-input { width:100%; margin:8px 0 0; }
}