:root{--jade:#F5A623;--jade-deep:#D98E1B;--jade-dark:#050D18;--mint:#37C8D8;
--gold:#FFC94D;--foam:#0A1A2E;--foam-2:#0C1F38;--card:#0F2440;--ink:#F7F1E4;
--ink-soft:#9FB0C0;--line:#1B3352;--white:#fff}
*{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(--foam);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.accent{color:var(--jade)}
h1,h2,h3{line-height:1.25;font-weight:700}
h1{font-size:clamp(34px,5vw,54px)}
h2{font-size:clamp(24px,3.4vw,36px)}
h3{font-size:19px}

/* 悬浮胶囊导航 */
.navpill{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:70;width:min(1140px,calc(100% - 32px))}
.navpill-inner{display:flex;align-items:center;gap:20px;height:60px;padding:0 16px 0 22px;
background:rgba(10,26,46,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
border:1px solid var(--line);border-radius:999px;box-shadow:0 10px 34px rgba(5,13,24,.5)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{flex:0 0 auto;border-radius:8px}
.brand-word{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--ink)}
.brand-name em{font-style:normal;color:var(--jade)}
.brand-sub{font-size:10px;color:var(--ink-soft);letter-spacing:1px}
.nav-links{display:flex;gap:18px;margin-left:auto}
.nav-link{font-size:14px;color:var(--ink);opacity:.82;padding:5px 2px;border-bottom:2px solid transparent;white-space:nowrap}
.nav-link:hover,.nav-link.on{color:var(--jade);opacity:1;border-color:var(--gold)}
.nav-cta{background:var(--jade);color:#0A1A2E;padding:9px 20px;border-radius:999px;font-size:14px;font-weight:700;white-space:nowrap}
.nav-cta:hover{background:var(--gold)}

/* hero — 居中电影感 */
.hero{position:relative;min-height:680px;display:flex;align-items:center;justify-content:center;
text-align:center;overflow:hidden;color:#fff;padding:150px 24px 110px}
.hero-bg{position:absolute;inset:-24px;background-size:cover;background-position:center;
filter:blur(7px) brightness(.5);transform:scale(1.08)}
.hero-glow{position:absolute;inset:0;background:radial-gradient(ellipse 62% 54% at 50% 42%,rgba(245,166,35,.24),transparent 72%)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,13,24,.52) 0%,rgba(5,13,24,.84) 100%)}
.hero-inner{position:relative;z-index:3;width:100%;max-width:760px;margin:0 auto}
.hero-beam{position:absolute;left:3%;bottom:64px;width:190px;opacity:.55;z-index:2;pointer-events:none}
.hero-beam .lighthouse{width:100%}
.beacon{position:absolute;right:6%;top:132px;width:72px;opacity:.9;z-index:2;
animation:spin 16s linear infinite;filter:drop-shadow(0 6px 16px rgba(0,0,0,.45))}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-route{position:absolute;left:0;right:0;bottom:0;z-index:1;opacity:.9}
.hero-route .signalwave{display:block;width:100%;height:130px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--gold);font-weight:600;
text-transform:uppercase;margin-bottom:14px}
.hero .eyebrow{color:#FFC94D}
.hero h1{font-family:inherit;color:#fff;margin-bottom:12px;text-shadow:0 2px 24px rgba(0,0,0,.4)}
.hero .accent{color:#FFC94D}
.hero-tag{font-size:20px;font-weight:700;letter-spacing:5px;color:var(--mint);margin-bottom:18px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.92);max-width:560px;margin:0 auto 30px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.hero .hero-actions{flex-direction:row;align-items:center;gap:14px}
.hero .hero-actions .btn{min-width:180px}
.btn{display:inline-block;padding:14px 30px;border-radius:999px;font-size:15px;font-weight:700;transition:.2s}
.btn-primary{background:var(--gold);color:#0A1A2E;box-shadow:0 8px 24px rgba(245,166,35,.32)}
.btn-primary:hover{background:#FFC94D;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.5);
backdrop-filter:blur(4px)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.hero-points{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.point{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;
padding:6px 16px;border-radius:999px;font-size:13px;backdrop-filter:blur(4px)}

/* section */
.section{padding:72px 0}
.section.alt{background:var(--foam-2)}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px}
.section-head .eyebrow{color:var(--jade)}
.section-head p{color:var(--ink-soft);margin-top:12px}
.section-foot{text-align:center;margin-top:36px}

/* statband — 数据带 */
.statband{background:var(--foam-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.statband-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.statband-item{text-align:center;padding:34px 16px;border-right:1px solid var(--line)}
.statband-item:last-child{border-right:none}
.statband-num{display:block;font-size:30px;font-weight:800;color:var(--gold);line-height:1.1}
.statband-label{font-size:13px;color:var(--ink-soft);margin-top:4px}

/* rail — 横向滚动功能卡 */
.rail{display:flex;gap:20px;overflow-x:auto;padding:8px 2px 20px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.rail-card{flex:0 0 300px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);
border-radius:16px;overflow:hidden;transition:.2s}
.rail-card:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:0 14px 30px rgba(5,13,24,.28)}
.rail-card img{width:100%;height:160px;object-fit:cover}
.rail-body{padding:18px 20px}
.rail-body h3{margin-bottom:6px}
.rail-body p{font-size:14px;color:var(--ink-soft)}

/* nodewall — 全幅夜景节点墙 */
.nodewall{position:relative;padding:96px 0;color:#fff;overflow:hidden}
.nodewall-bg{position:absolute;inset:-8px;background-size:cover;background-position:center;filter:blur(3px) brightness(.4)}
.nodewall-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,13,24,.92) 0%,rgba(5,13,24,.5) 100%)}
.nodewall-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.nodewall-copy .eyebrow{color:var(--gold)}
.nodewall-copy h2{margin-bottom:14px}
.nodewall-copy p{color:rgba(255,255,255,.86);margin-bottom:16px}
.nodewall-copy .checklist{list-style:none;margin:16px 0 24px}
.nodewall-copy .checklist li{padding:6px 0 6px 28px;position:relative;color:rgba(255,255,255,.9)}
.nodewall-copy .checklist li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}
.nodewall-map{position:relative;min-height:400px;background:rgba(10,26,46,.42);border:1px solid rgba(255,255,255,.14);
border-radius:18px;overflow:hidden;backdrop-filter:blur(4px)}
.node-chip{position:absolute;background:rgba(15,36,64,.88);border:1px solid var(--gold);color:#fff;
font-size:13px;padding:5px 13px;border-radius:999px;backdrop-filter:blur(4px);box-shadow:0 6px 16px rgba(5,13,24,.4)}
.nodewall-map .signalwave{position:absolute;left:0;right:0;bottom:0;width:100%;height:120px;opacity:.85}

/* scenegrid — 场景照片卡 */
.scenegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{position:relative;border-radius:16px;overflow:hidden;display:block;height:260px}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s,filter .45s}
.scene-card:hover img{transform:scale(1.07);filter:blur(2px) brightness(.65)}
.scene-cap{position:absolute;left:0;right:0;bottom:0;padding:48px 18px 16px;
background:linear-gradient(transparent,rgba(5,13,24,.92));color:#fff}
.scene-cap h3{margin-bottom:2px}
.scene-cap p{font-size:13px;color:rgba(255,255,255,.85)}

/* hsteps — 横排三步 */
.hsteps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hstep{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 26px;position:relative;overflow:hidden}
.hstep::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:linear-gradient(var(--gold),var(--jade))}
.hstep-num{font-size:42px;font-weight:800;color:var(--gold);opacity:.92;line-height:1;margin-bottom:14px}
.hstep h3{margin-bottom:8px}
.hstep p{font-size:14px;color:var(--ink-soft)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.people-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:820px){.people-row{grid-template-columns:repeat(2,1fr)}}
.bento-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 24px;transition:.2s}
.bento-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(5,13,24,.1);border-color:var(--jade)}
.bento-ico{font-size:30px;margin-bottom:12px}
.bento-card h3{margin-bottom:8px}
.bento-card p{font-size:14px;color:var(--ink-soft)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev .split-media{order:-1}
.split-copy .eyebrow{color:var(--jade)}
.split-copy h2{margin-bottom:16px}
.split-copy h3{margin:18px 0 6px}
.split-copy p{color:var(--ink-soft);margin-bottom:12px}
.checklist{list-style:none;margin:18px 0 22px}
.checklist li{padding:6px 0 6px 28px;position:relative;color:var(--ink)}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--jade);font-weight:700}
.media-frame{border-radius:16px;overflow:hidden;box-shadow:0 16px 40px rgba(5,13,24,.16)}
.media-frame img{width:100%;height:320px;object-fit:cover}
.signalwave-frame{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.signalwave-frame .signalwave{display:block;width:100%;height:auto}

/* steps */
.steps{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.step{display:flex;gap:20px;position:relative;padding-bottom:32px}
.step:not(:last-child)::before{content:"";position:absolute;left:21px;top:48px;bottom:0;width:2px;background:var(--line)}
.step-num{flex:0 0 44px;height:44px;border-radius:50%;background:var(--jade);color:#fff;
display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.step-body h3{margin-bottom:4px}
.step-body p{color:var(--ink-soft);font-size:14px}

/* faq */
.faq{max-width:760px;margin:0 auto}
.reviews-sec{background:var(--bg-2)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 12px 32px rgba(0,0,0,.35)}
.review-card .stars{color:#f5a623;font-size:16px;letter-spacing:2px;margin-bottom:12px}
.review-card p{color:var(--ink-soft);font-size:15px;line-height:1.7}
.rv-meta{margin-top:16px;display:flex;align-items:center;gap:10px}
.rv-meta strong{font-size:14px}
.rv-meta span{font-size:12px;color:var(--ink-soft);background:var(--bg-2);padding:3px 10px;border-radius:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-item summary{padding:18px 22px;font-weight:600;cursor:pointer;list-style:none;position:relative}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:14px;font-size:22px;color:var(--jade);transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;color:var(--ink-soft);font-size:14px}

/* platform */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.platform-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:block;transition:.2s}
.platform-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(5,13,24,.12)}
.platform-top{height:6px}
.platform-body{padding:22px 20px}
.platform-ico{font-size:26px}
.platform-body h3{margin:10px 0 4px}
.platform-body p{font-size:13px;color:var(--ink-soft);margin-bottom:12px}
.platform-link{color:var(--jade);font-size:13px;font-weight:600}

/* table */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
th,td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--jade);color:#fff;font-weight:600}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#0C1F38}

/* tip/callout */
.tip{background:#0C1F38;border-left:4px solid var(--gold);padding:16px 20px;border-radius:8px;
font-size:14px;color:var(--ink);margin-top:20px}

/* page-hero (inner pages) */
.page-hero{background:linear-gradient(180deg,var(--jade-deep),var(--jade));color:#fff;padding:130px 0 60px;text-align:center}
.page-hero .eyebrow{color:#FFC94D}
.page-hero h1{font-family:inherit;margin:6px 0 14px}
.page-hero .accent{color:#FFC94D}
.page-sub{font-size:16px;color:rgba(255,255,255,.9);max-width:640px;margin:0 auto}
.page-hero .hero-actions{margin:24px 0 0}
.page-hero .btn-ghost{border-color:rgba(255,255,255,.5)}

/* breadcrumb */
.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;font-size:13px;margin-bottom:20px;opacity:.85}
.crumb a{color:#B8C7D8;border-bottom:1px dotted rgba(255,255,255,.5)}
.crumb a:hover{color:#FFC94D}
.crumb+.crumb::before{content:"/";margin-right:8px;opacity:.5}

/* article */
.article-hero{background:linear-gradient(180deg,var(--jade-deep),var(--jade));color:#fff;padding:130px 0 48px}
.article-hero h1{font-family:inherit;font-size:clamp(26px,3.6vw,40px);margin:10px 0 14px;max-width:820px}
.article-hero .accent{color:#FFC94D}
.article-meta{font-size:13px;color:rgba(255,255,255,.85)}
.article-layout{display:grid;grid-template-columns:240px 1fr;gap:44px;padding:48px 0 64px;align-items:start}
.toc{position:sticky;top:88px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.toc h4{font-size:13px;color:var(--ink-soft);letter-spacing:1px;margin-bottom:12px}
.toc a{display:block;font-size:13px;color:var(--ink);padding:6px 0;border-left:2px solid transparent;padding-left:12px}
.toc a:hover{color:var(--jade);border-color:var(--gold)}
.article-body{max-width:720px}
.article-body h2{font-size:24px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--jade)}
.article-body h3{font-size:18px;margin:26px 0 10px}
.article-body p{margin-bottom:16px;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 18px 24px}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:12px;margin:20px 0}
.article-body .lead{font-size:18px;color:var(--jade-deep);font-weight:500}
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:30px}
.related h3{margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px}
.related-card:hover{border-color:var(--jade)}
.related-card span{color:var(--jade);font-weight:600}

/* search */
.search-box{max-width:520px;margin:26px auto 0;display:flex;gap:10px}
.search-input{flex:1;padding:13px 18px;border-radius:28px;border:1px solid var(--line);font-size:15px;outline:none}
.search-input:focus{border-color:var(--jade)}
.search-btn{background:var(--gold);color:#0A1A2E;border:none;padding:0 26px;border-radius:28px;font-size:15px;font-weight:600;cursor:pointer}
.search-results{max-width:640px;margin:30px auto 0;text-align:left}
.search-results .hit{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
.search-results .hit a{color:var(--jade);font-weight:600}

/* sitemap page */
.sitegroup{margin-bottom:34px}
.sitegroup h2{font-size:20px;margin-bottom:14px;color:var(--jade-deep)}
.sitegroup ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.sitegroup li a{color:var(--ink);font-size:14px;border-bottom:1px dotted var(--line);display:inline-block;padding-bottom:2px}
.sitegroup li a:hover{color:var(--jade)}

/* share */
.share{display:flex;gap:14px;align-items:center;font-size:13px;margin:24px 0 0;color:var(--ink-soft)}
.share a{color:var(--jade);border-bottom:1px dotted var(--jade)}

/* final cta — 照片背景 */
.final-cta{position:relative;color:#fff;text-align:center;padding:96px 0;overflow:hidden}
.final-cta-bg{position:absolute;inset:-8px;background-size:cover;background-position:center;filter:blur(4px) brightness(.42)}
.final-cta-overlay{position:absolute;inset:0;background:radial-gradient(ellipse 70% 90% at 50% 50%,rgba(245,166,35,.16),rgba(5,13,24,.8))}
.final-cta-inner{position:relative;z-index:2}
.final-cta h2{font-family:inherit;margin-bottom:12px}
.final-cta .accent{color:#FFC94D}
.final-cta p{color:rgba(255,255,255,.86);margin-bottom:28px}
.final-cta .btn-primary{background:var(--gold);color:#0A1A2E}

/* footer */
.sitefoot{background:var(--jade-dark);color:#B8C7D8;padding:56px 0 30px;font-size:14px}
.foot-top{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:30px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff}
.foot-info{color:#8FA0B5;max-width:260px}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a{color:#B8C7D8}
.foot-links a:hover{color:#FFC94D}
.foot-copy{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;color:#7A8CA0;font-size:13px;text-align:center}

/* backtop */
.backtop{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;border:none;
background:var(--jade);color:#fff;font-size:20px;cursor:pointer;display:none;z-index:60;box-shadow:0 6px 18px rgba(0,0,0,.2)}
.backtop:hover{background:var(--jade-deep)}

@media(max-width:900px){
.nav-links{display:none}
.statband-grid{grid-template-columns:repeat(2,1fr)}
.statband-item{border-right:none;border-bottom:1px solid var(--line)}
.bento{grid-template-columns:repeat(2,1fr)}
.platform-grid{grid-template-columns:repeat(2,1fr)}
.split,.split.rev{grid-template-columns:1fr;gap:30px}
.split.rev .split-media{order:0}
.nodewall-inner{grid-template-columns:1fr}
.scenegrid{grid-template-columns:repeat(2,1fr)}
.hsteps{grid-template-columns:1fr}
.hero-beam{display:none}
.article-layout{grid-template-columns:1fr}
.toc{position:static}
.related-grid{grid-template-columns:1fr}
.sitegroup ul{grid-template-columns:1fr}
}