/* 首页专用：夜航 · 晴空。滚动 = 航程，各段天色由 styles.css 里的 .s1–.s6 令牌决定。 */
.stage.sec{padding-top:clamp(96px,10vw,132px);padding-bottom:clamp(40px,5vw,72px)}
.stage.sec::before{content:"";position:absolute;left:0;right:0;top:0;height:clamp(90px,9vw,120px);background:linear-gradient(180deg,var(--prev),var(--bg));pointer-events:none}
.stage.sec.tight{padding-top:clamp(36px,5vw,64px)}
.stage.sec.tight::before{display:none}
.stage.insight-home{background:var(--bg)}
.stage .container{z-index:1}
.sec-head{max-width:46em;margin-bottom:clamp(28px,4vw,48px)}
.sec-head h2{margin-top:6px}
.sec-head .lede{margin-top:14px;color:var(--mu);font-size:17px;max-width:40em}
.stage .insight-home h2,.stage.insight-home h2{font-size:clamp(28px,3.6vw,44px)}
.stage .section-head{margin-bottom:clamp(28px,4vw,48px)}
.trk{letter-spacing:.09em;transition:letter-spacing 1s cubic-bezier(.2,.7,.2,1)}
.trk.in{letter-spacing:0}

/* ===== 首屏 ===== */
.hero{overflow:clip;isolation:isolate;min-height:88svh;padding-block:clamp(36px,5vw,72px) clamp(64px,8vw,110px)}
.hero #gl{position:absolute;inset:0;width:100%;height:100%;z-index:-3;display:block}
.hero-shade{position:absolute;inset:0;z-index:-2;pointer-events:none;background:linear-gradient(90deg,rgba(6,11,26,.78) 0%,rgba(6,11,26,.38) 52%,rgba(6,11,26,0) 100%),linear-gradient(0deg,#060B1A 0%,rgba(6,11,26,0) 26%)}
.hero-grid{display:grid;gap:28px;align-items:center}
@media(min-width:980px){.hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:40px}}
.hero-copy{min-width:0;order:2}
.globe-box{min-width:0;order:1;position:relative}
@media(min-width:980px){.hero-copy{order:1}.globe-box{order:2}}
.hero h1{font-family:var(--f-cjk);font-weight:900;font-size:clamp(44px,8.6vw,108px);line-height:1.06;color:#fff;margin:6px 0 0;letter-spacing:-.01em;text-wrap:initial}
.hero h1 .l1,.hero h1 .l2{display:block}
.hero h1 .l2{color:var(--ac)}
html[lang="en"] .hero h1{font-family:var(--f-display);font-weight:800;font-size:clamp(34px,4.5vw,58px);line-height:1.1}
.hero h1 .w{display:inline-block;white-space:nowrap}
.ch{position:relative}
.ch.dec{color:transparent}
.ch.dec::after{content:attr(data-d);position:absolute;left:0;right:0;top:0;text-align:center;color:var(--ac);font-family:var(--f-mono);font-weight:500}
.aux{font:italic 300 clamp(20px,2.4vw,30px)/1.25 var(--f-display);font-variation-settings:"opsz" 144;color:color-mix(in srgb,var(--tx) 86%,transparent);margin:14px 0 0}
.hero .sub{font-size:clamp(17px,1.8vw,21px);color:var(--tx);margin:20px 0 0;max-width:34em}
.hero .sub2{font:400 13px/1.7 var(--f-mono);color:var(--mu);margin:12px 0 0;letter-spacing:.04em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust{display:grid;margin:34px 0 0;padding:0;list-style:none;border-top:1px solid var(--ln)}
@media(min-width:560px){.trust{grid-template-columns:1fr 1fr;column-gap:24px}}
.trust li{display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--ln);font-size:14px;min-width:0}
.trust svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--ac)}
.globe-box canvas{display:block;width:100%;max-width:min(100%,520px);height:auto;aspect-ratio:1/1;margin-inline:auto}
.route-line{font:500 12px/1.5 var(--f-mono);letter-spacing:.06em;color:var(--ac);text-align:center;margin:8px 0 0;min-height:1.5em}
.mrz{position:absolute;left:0;right:0;bottom:12px;overflow:hidden;font:400 12px/1.7 var(--f-mono);letter-spacing:.2em;color:#fff;opacity:.22;white-space:nowrap;pointer-events:none;user-select:none}
.mrz div{display:flex;width:max-content;animation:mrz 90s linear infinite}
.mrz div+div{animation-duration:130s;animation-direction:reverse}
.mrz span{padding-right:2em}
@keyframes mrz{to{transform:translateX(-50%)}}

/* ===== 登机牌（路径探索器） ===== */
.bp-wrap{max-width:1040px;margin:0 auto}
.bp-intro{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 24px;margin-bottom:16px}
.bp-intro h2{font-size:clamp(24px,3vw,34px);margin:0}
.bp-intro p{font:500 12px/1.5 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mu);margin:0}
.bp{--bp-bg:#F3EEE0;--bp-tx:#16202E;--bp-mu:#4F5B6D;--bp-ln:#B9B19C;--ac:#1F6860;--tx:#16202E;--bg:#F3EEE0;--mu:#4F5B6D;--ln:#B9B19C;position:relative;display:grid;grid-template-columns:minmax(0,1fr);background:var(--bp-bg);color:var(--bp-tx);border-radius:14px;box-shadow:0 40px 80px -36px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.06)}
@media(min-width:860px){.bp{grid-template-columns:minmax(0,1fr) 340px}}
.bp-main{padding:0 0 22px;min-width:0}
.bp-band{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#14524C;color:#F3EEE0;border-radius:14px 14px 0 0;padding:11px clamp(16px,2.6vw,26px);font:500 12px/1.3 var(--f-mono);letter-spacing:.16em;text-transform:uppercase}
@media(min-width:860px){.bp-band{border-radius:14px 0 0 0}}
.bp-band b{font-weight:500;color:#F2D98A}
.bp-fields{display:grid;gap:18px;padding:20px clamp(16px,2.6vw,26px) 0}
.bp-f{min-width:0;border:0;margin:0;padding:0}
.bp-f legend,.bp-lab{display:block;padding:0;font:500 11px/1.4 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--bp-mu);margin:0 0 8px}
.bp-f legend b,.bp-lab b{color:#14524C;font-weight:500;margin-right:8px;letter-spacing:.16em}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{min-height:44px;padding:9px 16px;background:transparent;border:1.5px solid var(--bp-tx);color:var(--bp-tx);border-radius:3px;font:600 15px/1.2 var(--f-body);transition:background .15s,color .15s}
.pill:hover{background:rgba(22,32,46,.08)}
.pill[aria-pressed="true"]{background:var(--bp-tx);color:#F3EEE0}
.bp-meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:22px clamp(16px,2.6vw,26px) 0;padding-top:14px;border-top:1px solid var(--bp-ln)}
.bp-meta div{min-width:0}
.bp-meta dt{font:500 10.5px/1.3 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--bp-mu)}
.bp-meta dd{margin:2px 0 0;font:500 15px/1.3 var(--f-mono);color:var(--bp-tx);overflow-wrap:anywhere}
.bp-stub{position:relative;min-width:0;padding:20px clamp(16px,2.6vw,24px) 22px;border-top:2px dashed var(--bp-ln);display:flex;flex-direction:column;gap:12px}
@media(min-width:860px){.bp-stub{border-top:0;border-left:2px dashed var(--bp-ln)}}
.bp-stub::before,.bp-stub::after{content:"";position:absolute;width:24px;height:24px;border-radius:50%;background:#060B1A}
.bp-stub::before{left:-13px;top:-13px}
.bp-stub::after{right:-13px;top:-13px}
@media(min-width:860px){.bp-stub::after{left:-13px;right:auto;top:auto;bottom:-13px}}
.bp-stub .hint{font-size:14.5px;color:var(--bp-mu);margin:0}
.res{display:grid;gap:8px}
.res-card{border-left:3px solid #14524C;padding:6px 0 6px 12px}
.res-card h4{font:700 16px/1.4 var(--f-body);margin:0}
.res-card p{font-size:13.5px;color:var(--bp-mu);line-height:1.55;margin:2px 0 0}
.res-card a{font:500 12.5px/1.4 var(--f-mono);display:inline-block;margin-top:4px;color:#14524C}
.res-foot{font-size:12.5px;color:var(--bp-mu);line-height:1.55;margin:0}
.bp-act{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center}
.bp-act .linkbtn{background:none;border:0;padding:8px 0;color:#14524C;font-size:14px;text-decoration:underline;text-underline-offset:3px;min-height:40px}
.barcode{display:block;width:100%;height:46px;margin-top:auto}
.bp-code{font:500 11px/1 var(--f-mono);letter-spacing:.3em;color:var(--bp-mu);text-align:center;margin:0}

/* ===== 官方动态入口 ===== */
.official{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;list-style:none;margin:0;padding:0}
.off-card{display:flex;flex-direction:column;height:100%;padding:26px;background:var(--card);border:1px solid var(--ln);border-top:3px solid var(--hi);transition:background .2s,transform .2s}
.off-card:hover{background:var(--card2);transform:translateY(-3px)}
.off-card small{font:500 11.5px var(--f-mono);letter-spacing:.08em;color:var(--mu);margin-bottom:14px}
.off-card h3{font-size:22px;margin-bottom:10px}
.off-card p{font-size:15px;margin-bottom:22px}
.off-card .go{margin-top:auto;font:500 13px var(--f-mono);color:var(--ac)}
.fine{font:400 13px/1.6 var(--f-mono);color:var(--mu);margin:22px 0 0}

/* ===== 出发航班信息屏 ===== */
.fb{--fb-bg:#080C1A;--fb-cell:#151C36;--fb-tx:#F6E9B8;--fb-mu:#A9B3CC;--fb-ln:rgba(246,233,184,.16);background:var(--fb-bg);border:1px solid rgba(233,239,247,.16);border-radius:6px;overflow:hidden;box-shadow:0 36px 70px -40px rgba(0,0,0,.9);color:#F1F4FA}
.fb-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px clamp(12px,2vw,20px);border-bottom:1px solid var(--fb-ln);font:500 12px/1.3 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fb-tx)}
.fb-top span:last-child{color:var(--fb-mu)}
.fb-cols,.fb-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;align-items:center;padding-inline:clamp(12px,2vw,20px)}
@media(min-width:760px){.fb-cols,.fb-row{grid-template-columns:200px minmax(0,1fr) 150px 24px;gap:0 20px}}
.fb-cols{display:none;padding-block:9px;font:500 10.5px/1.3 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--fb-mu);border-bottom:1px solid var(--fb-ln)}
@media(min-width:760px){.fb-cols{display:grid}}
.fb-item{border-bottom:1px solid var(--fb-ln)}
.fb-item:last-child{border-bottom:0}
.fb-h{margin:0;font:inherit}
.fb-row{width:100%;background:transparent;border:0;text-align:left;color:#F1F4FA;padding-block:15px;transition:background .2s}
.fb-row:hover{background:rgba(246,233,184,.06)}
.fb-code{grid-column:1;grid-row:1;white-space:nowrap}
.fb-dest{grid-column:1/-1;grid-row:2;min-width:0}
.fb-dest b{display:block;font:700 clamp(21px,2.4vw,28px)/1.25 var(--f-display)}
html[lang^="zh"] .fb-dest b{font-family:var(--f-cjk)}
.fb-dest small{display:block;font:500 11.5px/1.4 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--fb-mu);margin-top:3px}
.fb-st{grid-column:2;grid-row:1;white-space:nowrap;text-align:right}
.fb-chev{display:none;font:400 22px/1 var(--f-mono);color:var(--fb-tx);transition:transform .25s}
@media(min-width:760px){.fb-code{grid-column:1;grid-row:1}.fb-dest{grid-column:2;grid-row:1}.fb-st{grid-column:3;grid-row:1;text-align:left}.fb-chev{display:block;grid-column:4;grid-row:1}}
.fb-row[aria-expanded="true"] .fb-chev{transform:rotate(45deg)}
.sf{display:inline-block;min-width:1.25em;text-align:center;padding:3px;margin-right:2px;background:var(--fb-cell);border-radius:3px;font:500 15px/1.25 var(--f-mono);color:var(--fb-tx);position:relative}
.sf::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:rgba(0,0,0,.55)}
.sf.fl{animation:flap .11s ease-in-out}
@keyframes flap{0%{transform:scaleY(1)}50%{transform:scaleY(.15)}100%{transform:scaleY(1)}}
.fb-st>span:not(.vh){font:600 15px var(--f-body);color:#8BEBB4}
.fb-st .sf{color:#8BEBB4;font-family:var(--f-body);font-weight:600}
.fb-st i{display:inline-block;width:8px;height:8px;border-radius:50%;background:#8BEBB4;margin-right:8px;box-shadow:0 0 8px #8BEBB4}
.fb-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease}
.fb-item.open .fb-panel{grid-template-rows:1fr}
.fb-panel>div{overflow:hidden;min-height:0;visibility:hidden;transition:visibility 0s .32s}
.fb-item.open .fb-panel>div{visibility:visible;transition-delay:0s}
.fb-panel dl{margin:0;padding:4px clamp(12px,2vw,20px) 20px;display:grid;gap:10px;color:#F1F4FA}
@media(min-width:760px){.fb-panel dl{padding-left:calc(200px + 20px + clamp(12px,2vw,20px))}}
.fb-panel dl>div{display:grid;gap:2px 16px}
@media(min-width:560px){.fb-panel dl>div{grid-template-columns:84px minmax(0,1fr)}}
.fb-panel dt{font:500 11.5px/1.9 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:#8BEBB4}
.fb-panel dd{margin:0;font-size:15.5px}
.fb-panel a.lk{color:#F6E9B8;font:500 13.5px/1.4 var(--f-mono)}

/* ===== 实用工具 ===== */
.tools{display:grid;gap:20px}
@media(min-width:980px){.tools{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px}}
.tool{border:1px solid var(--ln);background:var(--card);padding:clamp(20px,3vw,32px);min-width:0}
.tool.main{border-top:3px solid var(--hi)}
.tool h3{font-size:22px}
.tag-live{display:inline-block;font:500 11px/1 var(--f-mono);letter-spacing:.12em;padding:5px 7px;margin-bottom:12px;text-transform:uppercase;background:var(--acf);color:var(--onacf)}
.tool p{color:var(--mu);font-size:15px;margin-top:8px}
.side-tools{display:grid;gap:20px;align-content:start}
.tool.link{display:block;color:var(--tx);border-left:3px solid var(--hi);transition:background .2s}
.tool.link:hover{background:var(--card2)}
.tool.link .fine-print{margin-top:10px}
.tool.link .go{font:500 13px/1.4 var(--f-mono);color:var(--ac);display:inline-block;margin-top:14px}
.clb-pick{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.clb-pick button{min-width:56px;min-height:44px;background:transparent;border:1px solid var(--ln);color:var(--tx);border-radius:2px;font:500 15px/1 var(--f-mono);padding:0 12px;transition:border-color .15s}
.clb-pick button:hover{border-color:var(--ac)}
.clb-pick button[aria-pressed="true"]{background:var(--acf);color:var(--onacf);border-color:var(--acf)}
.clb-out{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:20px 0 0;border:1px solid var(--ln)}
@media(min-width:560px){.clb-out{grid-template-columns:repeat(4,minmax(0,1fr))}}
.clb-out div{padding:16px 14px;border-right:1px solid var(--ln);border-bottom:1px solid var(--ln);margin:-1px 0 0 -1px}
.clb-out dt{font:500 11px/1.4 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mu)}
.clb-out dd{margin:6px 0 0;font:500 34px/1 var(--f-mono);font-variant-numeric:tabular-nums;color:var(--ac)}
.clb-note{font-size:13.5px;color:var(--mu);margin-top:14px}

/* ===== 办理流程：航段时间线 ===== */
.route{position:relative;--pg:0}
.route-svg{display:none;width:100%;height:96px;overflow:visible}
.rt-base{fill:none;stroke:var(--mu);stroke-width:2;stroke-dasharray:3 8;stroke-linecap:round;opacity:.7}
.wp{fill:var(--bg);stroke:color-mix(in srgb,var(--tx) 45%,transparent);stroke-width:3;transition:fill .3s,stroke .3s}
.wp.on{fill:var(--ac);stroke:var(--ac)}
.rt-live{fill:none;stroke:var(--ac);stroke-width:3;stroke-linecap:round}
.plane{display:none;position:absolute;left:0;top:0;width:30px;height:30px;margin:-15px 0 0 -15px;color:var(--ac);will-change:transform;pointer-events:none}
.route-steps{display:grid;gap:0;position:relative;padding:0 0 0 34px;margin:0;list-style:none}
.route-steps::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:0;border-left:2px dashed color-mix(in srgb,var(--tx) 45%,transparent)}
.route-steps::after{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:4px;background:var(--ac);border-radius:2px;transform-origin:top;transform:scaleY(var(--pg))}
.route-steps li{position:relative;padding:0 0 30px}
.route-steps li:last-child{padding-bottom:0}
.route-steps li::before{content:"";position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:var(--bg);border:3px solid color-mix(in srgb,var(--tx) 45%,transparent);transition:border-color .3s,background .3s;z-index:1}
.route-steps li.on::before{border-color:var(--ac);background:var(--ac)}
.route-steps .no{font:500 13px/1 var(--f-mono);color:var(--hi);letter-spacing:.14em}
.route-steps h3{font-size:22px;margin-top:10px}
.route-steps p{color:var(--mu);font-size:15px;margin-top:8px;max-width:30em}
@media(min-width:860px){
  .route-svg{display:block}
  .plane{display:block}
  .route-steps{padding-left:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 24px;margin-top:6px}
  .route-steps::before,.route-steps::after{display:none}
  .route-steps li{padding:0;text-align:center}
  .route-steps li::before{display:none}
  .route-steps p{margin-inline:auto}
}

/* ===== 关于持牌人 ===== */
.home-about{display:grid;gap:40px}
@media(min-width:980px){.home-about{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:64px;align-items:start}}
.home-about .body{font-size:17px;margin-top:16px;max-width:36em;color:var(--tx)}
.princ{margin:28px 0 0;padding:0;list-style:none;border-top:1px solid var(--tx)}
.princ li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:2px 10px;padding:14px 0;border-bottom:1px solid var(--ln)}
.princ li::before{content:"\2713";font:500 16px/1.6 var(--f-mono);color:var(--ac)}
.princ b{font:700 18px/1.5 var(--f-display)}
html[lang^="zh"] .princ b{font-family:var(--f-cjk)}
.princ span.d{grid-column:2;color:var(--mu);font-size:15px}
.about-links{display:flex;flex-wrap:wrap;gap:12px 28px;margin:22px 0 0}
.about-side{display:grid;gap:22px;min-width:0}
.licence-card{background:#0E1A2A;color:#E6EDF3;padding:clamp(20px,3vw,32px);border-radius:6px;border-top:3px solid #D8BC6C;position:relative;overflow:hidden;min-width:0;box-shadow:0 36px 70px -44px rgba(14,26,42,.8)}
.licence-card .lh{display:flex;justify-content:space-between;align-items:center;gap:12px;font:500 11px/1.4 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:#B8C4D2}
.licence-card .lh svg{width:44px;height:44px;flex:none}
.licence-card dl{margin:22px 0 0;display:grid;gap:14px}
.licence-card dt{font:400 10.5px/1.4 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;color:#8FD6C8}
.licence-card dd{margin:2px 0 0;font:500 18px/1.4 var(--f-mono);letter-spacing:.06em;overflow-wrap:anywhere;color:#fff}
.licence-card dd.sm{font-size:15px}
.licence-card .m{margin-top:24px;padding-top:14px;border-top:1px dashed rgba(230,237,243,.25);font:400 12.5px/1.8 var(--f-mono);letter-spacing:.12em;color:#B8C4D2;word-break:break-all}
.about-photo{position:relative;margin:0;border-radius:6px;overflow:hidden;box-shadow:0 30px 60px -40px rgba(14,26,42,.7)}
.about-photo img{aspect-ratio:16/10;object-fit:cover;object-position:45% 50%}
.about-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,11,26,.7),transparent 55%);pointer-events:none}
.about-photo figcaption{position:absolute;z-index:1;left:16px;right:16px;bottom:12px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font:500 11px/1.5 var(--f-mono);letter-spacing:.12em;color:#fff}

/* ===== 联系与价格 ===== */
.home-contact{display:grid;border-top:1px solid var(--tx)}
@media(min-width:760px){.home-contact{grid-template-columns:1fr 1fr;column-gap:40px}}
.ct{padding:22px 0;border-bottom:1px solid var(--ln);min-width:0}
.ct .lab{font:500 11.5px/1.4 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ac)}
.ct .val{display:block;font:500 clamp(19px,2.2vw,24px)/1.4 var(--f-mono);margin-top:6px;overflow-wrap:anywhere;color:var(--tx);font-style:normal}
a.val{transition:color .2s}
a.val:hover{color:var(--ac)}
.ct .row{margin-top:10px}
.ct .copy{margin-left:0}
.prices{margin-top:36px;border:1px solid var(--ln);background:var(--card)}
.prices h3{font-size:19px;padding:16px 18px 4px;margin:0}
.prices p.n{font:500 12px/1.6 var(--f-mono);color:var(--ac);padding:0 18px 12px;margin:0}
.prices p.n2{font-size:13px;padding:12px 18px 14px;margin:0;border-top:1px solid var(--ln)}
.prices ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none}
@media(min-width:760px){.prices ul{grid-template-columns:repeat(4,minmax(0,1fr))}}
.prices li{padding:14px 18px;border-top:1px solid var(--ln);border-right:1px solid var(--ln)}
.prices li b{display:block;font:500 24px/1.2 var(--f-mono);font-variant-numeric:tabular-nums;color:var(--tx)}
.prices li span{font:400 12.5px/1.4 var(--f-mono);color:var(--mu)}

/* ===== 晴空：云朵（纯 CSS 背景动画，SVG 文件见 assets/） ===== */
.s5.sky-deep::before{background:linear-gradient(180deg,var(--prev),var(--bg))}
.s5::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:url("/static/assets/cloud-a.85b349a5dace2ecc.svg"),url("/static/assets/cloud-b.678381dc0dabc62f.svg");
  background-repeat:repeat-x,repeat-x;background-size:2400px 640px,1800px 520px;background-position:0 62%,0 30%;
  animation:clouds 160s linear infinite;
  -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 160px,#000 calc(100% - 120px),transparent 100%);
  mask-image:linear-gradient(180deg,transparent 0,#000 160px,#000 calc(100% - 120px),transparent 100%)}
@keyframes clouds{to{background-position:-2400px 62%,-1800px 30%}}
@media(max-width:640px){.s5::after{background-size:1500px 400px,1100px 320px;animation-name:clouds-s}@keyframes clouds-s{to{background-position:-1500px 62%,-1100px 30%}}}

/* ===== 固定航程仪表 HUD ===== */
.hud{position:fixed;z-index:60;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));width:300px;background:color-mix(in srgb,#070D1C 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(233,239,247,.22);border-radius:6px;color:#E9EFF7;font-family:var(--f-mono);padding:10px 13px 12px;box-shadow:0 18px 40px -16px rgba(0,0,0,.7);pointer-events:none}
.hud-bar{position:relative;height:3px;background:rgba(233,239,247,.18);border-radius:2px;overflow:hidden}
.hud-bar i{position:absolute;inset:0;background:#7FD6C6;transform-origin:left;transform:scaleX(0)}
.hud-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:8px;font-size:11px;letter-spacing:.16em;text-transform:uppercase}
.hud-seg{color:#7FD6C6;font-weight:500}
.hud-pct{color:rgba(233,239,247,.7)}
.hud-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.hud-grid div{min-width:0;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(233,239,247,.7);line-height:1.3}
.hud-grid b{display:block;font-weight:500;font-size:18px;letter-spacing:0;color:#fff;font-variant-numeric:tabular-nums;margin-top:2px}
.hud-grid b small{font-size:11px;font-weight:400;color:rgba(233,239,247,.7);margin-left:4px}
.hud-land{display:none;margin-top:8px;font-size:12px;line-height:1.6;letter-spacing:.06em;color:#fff}
.hud-land b{color:#E6CD80;font-weight:500;letter-spacing:.14em}
.hud.landed .hud-grid{display:none}
.hud.landed .hud-land{display:block}
@media(max-width:719px){
  body.has-hud{padding-bottom:58px}
  .hud{left:0;right:0;bottom:0;width:auto;border-radius:0;border-width:1px 0 0;padding:9px max(16px,env(safe-area-inset-right,0px)) calc(8px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:8px;align-items:end}
  .hud-bar{position:absolute;left:0;right:0;top:0;height:2px;border-radius:0}
  .hud-top{margin:0;display:block;font-size:10.5px;letter-spacing:.1em}
  .hud-pct{display:none}
  .hud-grid{display:contents}
  .hud-grid b{font-size:16px}
  .hud-land{grid-column:1/-1;margin-top:0;font-size:11px;line-height:1.5}
  .hud.landed{grid-template-columns:auto 1fr}
  .hud.landed .hud-land{grid-column:2;grid-row:1}
}

/* ===== 响应式 ===== */
@media(max-width:900px){.official{grid-template-columns:minmax(0,1fr)}}
@media(max-width:480px){.bp-meta{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){
  .mrz div,.s5::after{animation:none}
  .trk{letter-spacing:0}
}