/* 用户提供的技耗分离专题样式；外置到本站以满足全站内容安全策略。 */
:root {
  --brand:#1677ff; --brand2:#12a9dc; --deep:#07316f; --deep2:#061f4e;
  --ink:#16243b; --muted:#66758a; --soft:#f5f8fc; --line:#e5edf7;
  --gold:#eeb44e; --green:#15a779; --shadow:0 18px 55px rgba(28,64,113,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(222,232,244,.88)}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{display:block;width:226px;height:auto}
.navlinks{display:flex;align-items:center;gap:24px;font-size:14px;color:#52647d}
.navlinks a{text-decoration:none;transition:.2s}
.navlinks a:hover{color:var(--brand)}
.nav-cta{background:var(--brand);color:#fff!important;padding:8px 14px;border-radius:9px;font-weight:700}

.hero{position:relative;overflow:hidden;color:#fff;background:
radial-gradient(circle at 80% 15%,rgba(54,201,255,.28),transparent 28%),
linear-gradient(123deg,#061d48 0%,#083a83 55%,#0874c8 100%);padding:72px 0 126px}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,transparent 5%,#000 65%,#000)}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-label{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);border-radius:999px;padding:7px 13px;font-size:13px;margin-bottom:18px}
.hero-label i{width:7px;height:7px;background:#6ee7ff;border-radius:50%;box-shadow:0 0 16px #6ee7ff}
.hero h1{font-size:52px;line-height:1.12;letter-spacing:-1.5px;margin:0 0 14px}
.hero h1 span{color:#77e7ff}
.hero-lead{font-size:20px;color:rgba(255,255,255,.88);max-width:820px;margin:0 0 24px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badge{font-size:13px;padding:8px 12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:10px}
.hero-badge.hot{border:0;color:#12305c;font-weight:800;background:linear-gradient(135deg,#f8d88a,#efad39);box-shadow:0 12px 30px rgba(239,176,66,.18)}

.video-wrap{position:relative;z-index:3;margin-top:-78px}
.video-card{background:#071d42;border-radius:22px;overflow:hidden;border:1px solid rgba(194,213,236,.8);box-shadow:0 30px 80px rgba(12,47,91,.22)}
.video-card video{display:block;width:100%;aspect-ratio:16/9;background:#061a3d;object-fit:contain}
.video-caption{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#fff;padding:15px 20px;border-top:1px solid #e7eef7}
.video-caption strong{font-size:15px}
.video-caption span{font-size:13px;color:#73829a}

.article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:54px;align-items:start;padding:58px 0 78px}
.article{min-width:0}
.opening{font-size:19px;line-height:1.9;color:#34465f;margin:0 0 36px;padding:24px 26px;border-radius:16px;background:linear-gradient(135deg,#f4f9ff,#f8fcff);border:1px solid #dfebf8;border-left:4px solid var(--brand)}
.section-block{scroll-margin-top:90px;margin:0 0 54px}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.11em;color:var(--brand);text-transform:uppercase;margin-bottom:7px}
h2{font-size:31px;line-height:1.35;letter-spacing:-.5px;margin:0 0 14px}
h3{font-size:23px;line-height:1.45;margin:0 0 10px}
p{margin:0 0 14px}
.body-copy{color:#45566e;font-size:16px}
.policy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.policy-card{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 28px rgba(27,68,118,.05)}
.policy-card .num{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eaf4ff;color:var(--brand);font-weight:800;margin-bottom:14px}
.policy-card b{display:block;font-size:17px;margin-bottom:7px}
.policy-card p{font-size:14px;color:var(--muted);margin:0}
.policy-note{margin-top:16px;padding:14px 16px;border-radius:12px;background:#fff8e9;border:1px solid #f1dfb7;color:#75592c;font-size:13.5px}

.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:24px 0 8px}
.flow-item{text-align:center;padding:17px 10px;background:var(--soft);border:1px solid var(--line);border-radius:14px}
.flow-item em{display:grid;place-items:center;width:28px;height:28px;margin:0 auto 7px;border-radius:50%;background:var(--brand);color:#fff;font-size:12px;font-style:normal;font-weight:800}
.flow-item b{font-size:14px;display:block}
.flow-item small{font-size:12px;color:var(--muted)}

.feature{display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center;margin:32px 0 44px;padding:26px;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.feature.reverse .copy{order:2}
.feature.reverse .shot{order:1}
.feature p{color:#5c6d84;font-size:15px}
.ticks{display:grid;gap:7px;margin-top:12px}
.tick{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:#45566e}
.tick i{font-style:normal;color:#1482ee;font-weight:900}
.shot{border:1px solid #dce7f3;border-radius:14px;overflow:hidden;background:#f8fbff}
.shot img{display:block;width:100%;height:auto}

.highlight{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.highlight>div{padding:18px;border-radius:15px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line)}
.highlight b{display:block;margin-bottom:4px}
.highlight span{font-size:13.5px;color:var(--muted)}
.callout{padding:18px 20px;margin:22px 0;border-radius:15px;background:#eef8ff;border:1px solid #d4ebfb;color:#36536f;font-size:14px}
.callout strong{color:#0d68bd}

.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.value-card{padding:21px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#fff,#fafcff)}
.value-card b{display:block;font-size:18px;margin-bottom:5px}
.value-card span{font-size:14px;color:var(--muted)}

.free-panel{padding:28px;border-radius:20px;background:linear-gradient(135deg,#082f6e,#0b6fc1);color:#fff;box-shadow:0 20px 55px rgba(18,80,142,.18)}
.free-panel .free-tag{display:inline-block;background:linear-gradient(135deg,#f7d582,#eeae3f);color:#183961;font-size:13px;font-weight:800;padding:6px 10px;border-radius:8px;margin-bottom:12px}
.free-panel h3{font-size:27px;margin-bottom:8px}
.free-panel p{color:#d7eaff;margin-bottom:18px}
.free-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.free-step{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:12px;padding:13px}
.free-step b{display:block;font-size:14px}
.free-step span{font-size:12px;color:#c6ddf6}

.sidebar{position:sticky;top:90px}
.side-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:18px;box-shadow:0 10px 32px rgba(32,69,111,.06);margin-bottom:14px}
.side-title{font-size:13px;font-weight:800;color:#284463;margin-bottom:10px}
.toc{display:grid;gap:3px}
.toc a{text-decoration:none;color:#65758b;font-size:13px;padding:7px 9px;border-radius:8px}
.toc a:hover{background:#f1f6fc;color:var(--brand)}
.side-free{background:linear-gradient(145deg,#0b3f89,#0c74c7);color:#fff;border:0}
.side-free b{display:block;font-size:19px;margin-bottom:5px}
.side-free p{font-size:13px;color:#d7eaff;margin:0 0 12px}
.side-free a{display:block;text-align:center;text-decoration:none;background:#fff;color:#0b5dad;border-radius:9px;padding:9px 10px;font-size:13px;font-weight:800}

.sources{margin-top:28px;border-top:1px solid var(--line);padding-top:22px;color:#7a8799;font-size:12.5px}
.sources b{color:#4d5d72}
.sources ol{margin:8px 0 0;padding-left:20px}
.sources li{margin:6px 0}
.sources a{color:#4b70a0;text-decoration:none}
.sources a:hover{text-decoration:underline}
.source-note{margin-top:10px}

footer{border-top:1px solid var(--line);background:#fbfcfe;padding:28px 0;color:#7a899d;font-size:12.5px}
.footer-row{display:flex;justify-content:space-between;gap:24px;align-items:center}

@media(max-width:980px){
  .nav{height:72px}
  .brand img{width:184px}
  .navlinks{display:none}
  .hero{padding-top:56px}
  .hero h1{font-size:44px}
  .article-layout{grid-template-columns:1fr;gap:0}
  .sidebar{display:none}
  .policy-grid{grid-template-columns:1fr}
  .feature,.feature.reverse{grid-template-columns:1fr}
  .feature.reverse .copy,.feature.reverse .shot{order:initial}
}
@media(max-width:660px){
  .container{width:min(100% - 24px,1180px)}
  .nav{height:66px}
  .brand img{width:170px}
  .hero{padding:45px 0 106px}
  .hero h1{font-size:36px}
  .hero-lead{font-size:17px}
  .video-wrap{margin-top:-66px}
  .video-card{border-radius:15px}
  .video-caption{display:block;padding:12px 14px}
  .video-caption span{display:block;margin-top:2px}
  .article-layout{padding-top:42px}
  h2{font-size:27px}
  .opening{font-size:17px;padding:18px}
  .flow{grid-template-columns:1fr 1fr}
  .highlight,.value-grid,.free-steps{grid-template-columns:1fr}
  .feature{padding:16px;gap:18px}
  .footer-row{display:block}
}