/* ======================= 基础 ======================= */
:root{
  --bg:#03080f;
  --panel:rgba(7,18,29,.66);
  --panel-solid:rgba(8,20,32,.92);
  --line:rgba(133,225,255,.18);
  --line-strong:rgba(133,225,255,.38);
  --cyan:#5fe0ff;
  --cyan-deep:#1aa9c9;
  --amber:#ffc15e;
  --text:#eaf6ff;
  --muted:#89a3b8;
  --danger:#ff6b6b;
  --gold:#f2c14e;
  --silver:#c9d6e2;
  --bronze:#c98a55;
  --font:"Bahnschrift","DIN Alternate","Segoe UI","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;overflow:hidden}
body{position:fixed;inset:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  user-select:none;
}
button{font-family:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select{font-family:inherit}
canvas{display:block}

#app{position:fixed;inset:0}
#scene{position:absolute;inset:0;width:100%;height:100%;z-index:1}
#hud{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none}

.vignette{
  position:absolute;inset:0;z-index:4;pointer-events:none;
  background:
    radial-gradient(ellipse at center, transparent 48%, rgba(0,5,10,.55) 100%),
    linear-gradient(180deg, rgba(2,8,14,.35), transparent 18%, transparent 82%, rgba(2,8,14,.45));
}
.grain{
  position:absolute;inset:0;z-index:5;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='n' opacity='.6'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

.hidden{display:none !important}

.screen{
  position:absolute;inset:0;z-index:12;
  display:flex;flex-direction:column;
  animation:fadeScreen .5s cubic-bezier(.22,.8,.2,1) both;
}
.overlay{
  z-index:40;background:rgba(2,8,14,.62);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  align-items:center;justify-content:center;
}
@keyframes fadeScreen{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.eyebrow{
  font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--cyan);
  font-weight:600;
}
.eyebrow span{color:rgba(255,255,255,.32)}

h1,h2,h3{font-weight:600}

/* ======================= 启动加载 ======================= */
.boot{
  z-index:60;background:
    radial-gradient(600px 400px at 50% 38%, rgba(30,110,150,.18), transparent 70%),
    #03080f;
  align-items:center;justify-content:center;overflow:hidden;
}
.boot-mark{
  font-size:12px;letter-spacing:.6em;color:var(--cyan);margin-bottom:26px;opacity:.8;
}
.boot-mark span{opacity:.4}
.boot h1{
  font-size:clamp(54px,8vw,104px);letter-spacing:.22em;line-height:1;
  background:linear-gradient(180deg,#ffffff,#8fdcf2 60%,#3f93ae);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.boot p{color:var(--muted);letter-spacing:.32em;font-size:11px;margin-top:16px}
.boot-bar{
  width:min(420px,60vw);height:2px;background:rgba(255,255,255,.1);margin-top:44px;position:relative;overflow:hidden;
}
.boot-bar i{
  position:absolute;left:0;top:0;height:100%;width:0%;
  background:linear-gradient(90deg,var(--cyan-deep),var(--cyan));
  transition:width .35s ease;box-shadow:0 0 16px var(--cyan);
}
.boot-status{
  margin-top:18px;font-size:11px;letter-spacing:.22em;color:rgba(180,215,230,.55);
}
.boot-grid{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.25;
  background-image:
    linear-gradient(rgba(95,224,255,.12) 1px,transparent 1px),
    linear-gradient(90deg,rgba(95,224,255,.12) 1px,transparent 1px);
  background-size:80px 80px;
  mask-image:radial-gradient(circle at center,transparent 25%,#000 90%);
  -webkit-mask-image:radial-gradient(circle at center,transparent 25%,#000 90%);
  transform:perspective(600px) rotateX(62deg) scale(2.2) translateY(-10%);
}

/* ======================= 内测码验证 ======================= */
.beta-gate{
  z-index:70;background:
    radial-gradient(600px 400px at 50% 38%, rgba(30,110,150,.18), transparent 70%),
    #03080f;
  align-items:center;justify-content:center;overflow:hidden;
}
.beta-mark{
  font-size:12px;letter-spacing:.6em;color:var(--cyan);margin-bottom:22px;opacity:.8;
}
.beta-mark span{opacity:.4}
.beta-gate h1{
  font-size:clamp(48px,7vw,88px);letter-spacing:.22em;line-height:1;
  background:linear-gradient(180deg,#ffffff,#8fdcf2 60%,#3f93ae);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.beta-sub{color:var(--muted);letter-spacing:.32em;font-size:11px;margin-top:14px}
.beta-tag{
  margin-top:26px;font-size:10px;letter-spacing:.28em;color:#f5c97a;
  border:1px solid rgba(245,201,122,.32);padding:7px 14px;
  background:rgba(245,201,122,.06);
}
.beta-form{
  margin-top:34px;width:min(360px,80vw);display:flex;flex-direction:column;gap:12px;
}
.beta-form label{
  font-size:10px;letter-spacing:.26em;color:rgba(170,210,225,.6);
  display:flex;justify-content:space-between;align-items:baseline;
}
.beta-form label em{font-style:normal;font-size:8px;letter-spacing:.2em;opacity:.5}
.beta-form input{
  background:rgba(8,20,30,.85);border:1px solid rgba(133,225,255,.22);
  color:#e8f4f8;padding:13px 16px;font-size:15px;letter-spacing:.18em;
  outline:none;font-family:inherit;text-transform:uppercase;
  transition:border-color .2s, box-shadow .2s;
}
.beta-form input:focus{
  border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan), 0 0 22px rgba(95,224,255,.18);
}
.beta-form input::placeholder{color:rgba(150,180,195,.32);letter-spacing:.12em;text-transform:none}
.beta-error{
  display:none;font-size:10px;letter-spacing:.18em;color:#ff8f8f;
}
.beta-gate.error .beta-error{display:block}
.beta-gate.shake .beta-form{animation:beta-shake .38s ease}
@keyframes beta-shake{
  0%,100%{transform:translateX(0)}
  20%{transform:translateX(-9px)}
  45%{transform:translateX(7px)}
  70%{transform:translateX(-4px)}
  90%{transform:translateX(2px)}
}
.beta-btn{
  margin-top:6px;background:rgba(20,90,120,.28);border:1px solid rgba(133,225,255,.4);
  color:#dff4fa;padding:13px 16px;font-size:12px;letter-spacing:.28em;cursor:pointer;
  font-family:inherit;display:flex;justify-content:space-between;align-items:center;
  transition:background .2s, border-color .2s;
}
.beta-btn:hover{background:rgba(40,140,180,.4);border-color:var(--cyan)}
.beta-btn span{opacity:.7}
.beta-foot{
  position:absolute;bottom:34px;font-size:9px;letter-spacing:.24em;
  color:rgba(150,180,195,.38);
}

/* ======================= 主菜单 ======================= */
#menu-screen{
  justify-content:center;padding:0 5vw;
}
.menu-shade{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(2,8,14,.92) 0%, rgba(2,8,14,.72) 34%, rgba(2,8,14,.16) 62%, transparent 100%),
    linear-gradient(180deg, rgba(2,8,14,.45), transparent 30%, transparent 70%, rgba(2,8,14,.7));
}
.menu-left{
  width:min(520px,42vw);position:relative;
  padding-bottom:20px;
}
.game-title{
  margin-top:18px;font-size:clamp(46px,6.2vw,88px);line-height:.92;letter-spacing:.06em;
  font-weight:700;
  background:linear-gradient(180deg,#ffffff 10%,#cfeeff 55%,#4eb2d3 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 14px 40px rgba(40,160,210,.35));
}
.game-title .cn{
  display:block;font-size:.235em;letter-spacing:.52em;margin-top:14px;
  color:rgba(220,242,252,.78);-webkit-text-fill-color:rgba(220,242,252,.78);
  font-weight:400;
  padding-left:4px;
}
.tagline{
  margin-top:26px;font-size:14px;line-height:1.9;color:rgba(206,228,240,.72);
  max-width:430px;
}
.menu-nav{margin-top:38px;display:flex;flex-direction:column;gap:10px;max-width:460px}
.btn{
  position:relative;display:flex;align-items:center;gap:16px;
  width:100%;min-height:58px;padding:0 18px 0 14px;
  background:linear-gradient(90deg,rgba(9,24,38,.82),rgba(9,24,38,.42));
  border:1px solid rgba(133,225,255,.16);
  border-left:2px solid rgba(95,224,255,.35);
  text-align:left;
  transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn:hover{
  transform:translateX(8px);
  border-color:rgba(133,225,255,.5);
  background:linear-gradient(90deg,rgba(20,54,78,.92),rgba(12,34,52,.55));
  box-shadow:0 10px 30px rgba(0,20,30,.35),inset 0 0 0 1px rgba(95,224,255,.1);
}
.btn.primary{
  background:linear-gradient(90deg,rgba(20,94,126,.92),rgba(12,48,68,.62));
  border-color:rgba(133,225,255,.5);
  border-left:3px solid var(--cyan);
  box-shadow:0 10px 40px rgba(14,120,160,.28);
}
.btn.primary:hover{background:linear-gradient(90deg,rgba(28,120,158,.95),rgba(16,64,90,.7))}
.btn .num{
  font-size:11px;letter-spacing:.18em;color:rgba(160,220,235,.5);width:22px;flex:0 0 22px;
}
.btn .label{display:flex;flex-direction:column;gap:3px;font-size:17px;letter-spacing:.06em;flex:1}
.btn .label em{
  font-style:normal;font-size:9px;letter-spacing:.26em;color:rgba(170,212,228,.42);
}
.btn .arrow{color:var(--cyan);font-size:18px;opacity:.7;transition:transform .25s ease,opacity .25s}
.btn:hover .arrow{transform:translateX(5px);opacity:1}
.btn.ghost{
  background:rgba(6,16,26,.4);border-left:1px solid rgba(133,225,255,.2);
  min-height:48px;
}
.btn.ghost .label{font-size:14px}
.btn.small{width:auto;min-height:42px;padding:0 20px;gap:0}
.btn.small .label{flex:none;font-size:13px;letter-spacing:.14em}
.btn.danger{color:#ff9d9d;border-color:rgba(255,107,107,.25)}

.best-strip{display:flex;gap:10px;margin-top:34px;flex-wrap:wrap}
.best-chip{
  display:flex;align-items:center;gap:9px;
  padding:8px 13px;border:1px solid rgba(133,225,255,.13);
  background:rgba(5,14,23,.5);font-size:11px;color:var(--muted);letter-spacing:.06em;
}
.best-chip b{color:#dff4ff;font-size:13px;letter-spacing:.08em}
.best-chip i{width:4px;height:4px;border-radius:50%;background:var(--cyan);opacity:.7}

.menu-right{
  position:absolute;right:5vw;bottom:96px;display:flex;flex-direction:column;align-items:flex-end;gap:18px;
}
.panel{
  background:var(--panel);border:1px solid rgba(133,225,255,.16);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 24px 70px rgba(0,10,18,.4);
}
.telemetry{width:300px;padding:20px 22px 18px;position:relative}
.telemetry::before{
  content:"";position:absolute;left:-1px;top:-1px;width:32px;height:2px;background:var(--cyan);
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  font-size:10px;letter-spacing:.22em;color:var(--cyan);text-transform:uppercase;
  padding-bottom:14px;border-bottom:1px solid rgba(133,225,255,.12);margin-bottom:12px;
}
.live-dot{width:6px;height:6px;border-radius:50%;background:#66f0a8;box-shadow:0 0 10px #66f0a8;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.tel-row{display:flex;justify-content:space-between;gap:12px;padding:5px 0;font-size:11px;color:rgba(160,196,212,.6)}
.tel-row b{color:rgba(224,242,250,.9);font-weight:500;letter-spacing:.06em}
.tel-clock{
  margin-top:14px;padding-top:13px;border-top:1px solid rgba(133,225,255,.12);
  display:flex;align-items:flex-end;justify-content:space-between;
}
.tel-clock b{font-size:26px;letter-spacing:.1em;color:#e9f8ff;font-weight:500}
.tel-clock span{font-size:9px;letter-spacing:.22em;color:var(--muted)}
.menu-note{display:flex;align-items:center;gap:12px;max-width:300px}
.menu-note .line{width:34px;height:1px;background:rgba(95,224,255,.4);flex:0 0 34px}
.menu-note p{font-size:10px;letter-spacing:.14em;color:rgba(150,190,205,.55);line-height:1.6}
.menu-footer{
  position:absolute;left:5vw;right:5vw;bottom:22px;
  display:flex;justify-content:space-between;
  font-size:9px;letter-spacing:.22em;color:rgba(130,170,185,.32);
  border-top:1px solid rgba(133,225,255,.07);padding-top:14px;
}

/* ======================= 通用页面 ======================= */
.page-wrap{
  width:100%;max-width:1320px;margin:0 auto;padding:46px 5vw 40px;
  display:flex;flex-direction:column;flex:1;min-height:0;
}
.page-wrap.narrow{max-width:900px}
#mission-screen,#help-screen,#settings-screen{
  background:
    linear-gradient(180deg,rgba(3,9,15,.9),rgba(4,12,19,.95)),
    radial-gradient(800px 500px at 80% 0%,rgba(24,92,120,.25),transparent 70%);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.screen-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:26px;border-bottom:1px solid rgba(133,225,255,.12);
}
.screen-head h2{
  font-size:clamp(30px,3.4vw,44px);letter-spacing:.08em;font-weight:600;margin-top:12px;
}
.screen-head .btn.small{flex:0 0 auto}

/* ======================= 任务选择 ======================= */
#mission-screen .page-wrap{justify-content:center}
.mission-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px;
}
.mission-card{
  position:relative;background:rgba(6,17,27,.78);
  border:1px solid rgba(133,225,255,.13);
  display:flex;flex-direction:column;
  transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .35s,box-shadow .35s;
  cursor:pointer;
  overflow:hidden;
}
.mission-card:hover{
  transform:translateY(-8px);
  border-color:rgba(95,224,255,.4);
  box-shadow:0 30px 60px rgba(0,8,16,.5),0 0 0 1px rgba(95,224,255,.08) inset;
}
.mission-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .4s ease;
}
.mission-card:hover::after{transform:scaleX(1)}
.card-art{
  position:relative;height:190px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid rgba(133,225,255,.1);
}
.card-art svg{width:76%;height:76%;opacity:.9}
.art-free{background:
  linear-gradient(180deg,rgba(60,146,190,.45),rgba(9,40,60,.2) 55%,rgba(10,20,28,.9)),
  radial-gradient(circle at 22% 18%,rgba(255,220,160,.35),transparent 45%);}
.art-rings{background:
  radial-gradient(ellipse at 52% 55%,rgba(30,180,220,.4),transparent 62%),
  linear-gradient(180deg,rgba(18,60,88,.55),rgba(5,16,26,.9));}
.art-landing{background:
  linear-gradient(180deg,rgba(30,70,96,.55),rgba(5,14,22,.95)),
  radial-gradient(circle at 50% 90%,rgba(255,193,94,.25),transparent 55%);}
.card-art::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(133,225,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(133,225,255,.06) 1px,transparent 1px);
  background-size:36px 36px;
  mask-image:linear-gradient(180deg,#000,transparent);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent);
}
.art-tag{
  position:absolute;left:18px;top:16px;font-size:9px;letter-spacing:.28em;color:rgba(210,240,250,.65);
}
.card-body{padding:24px 24px 20px;display:flex;flex-direction:column;flex:1}
.card-index{
  font-size:10px;letter-spacing:.28em;color:rgba(95,224,255,.6);margin-bottom:10px;
}
.card-body h3{font-size:24px;letter-spacing:.1em;font-weight:600}
.card-body p{
  margin-top:12px;font-size:12.5px;line-height:1.8;color:rgba(176,204,218,.68);flex:1;
}
.card-meta{display:flex;gap:16px;margin-top:16px;font-size:10px;letter-spacing:.1em;color:rgba(140,180,196,.55)}
.card-cta{
  margin-top:18px;padding-top:14px;border-top:1px solid rgba(133,225,255,.1);
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;letter-spacing:.16em;color:var(--cyan);
}
.card-cta i{font-style:normal;transition:transform .3s ease}
.mission-card:hover .card-cta i{transform:translateX(6px)}
.mission-foot{
  margin-top:24px;font-size:10px;letter-spacing:.18em;color:rgba(140,175,190,.4);text-align:right;
}

/* ======================= 游戏记录 ======================= */
#records-screen{
  background:
    linear-gradient(180deg,rgba(2,7,12,.82) 0%,transparent 30%,transparent 62%,rgba(2,7,12,.86) 100%);
  pointer-events:none;
}
#records-screen .page-wrap{pointer-events:none}
#records-screen button{pointer-events:auto}
.records-layout{justify-content:space-between}
.records-layout .screen-head{border-bottom:0;padding-bottom:0}
.record-tabs{display:flex;gap:8px;margin-top:22px}
.tab{
  padding:9px 18px;font-size:11px;letter-spacing:.16em;color:rgba(170,205,220,.55);
  border:1px solid rgba(133,225,255,.14);background:rgba(5,15,24,.45);
  transition:all .25s;
  pointer-events:auto;
}
.tab:hover{color:#d7f4ff;border-color:rgba(133,225,255,.35)}
.tab.active{color:#03202a;background:var(--cyan);border-color:var(--cyan);font-weight:600}
.records-bottom{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-top:auto;padding-top:20px;border-top:1px solid rgba(133,225,255,.12);
}
.records-note{font-size:12px;color:rgba(170,205,220,.6);letter-spacing:.06em;max-width:420px;line-height:1.7;pointer-events:none}
.records-legend{display:flex;gap:18px;font-size:10px;letter-spacing:.12em;color:rgba(170,205,220,.55);flex-wrap:wrap}
.records-legend .dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px;vertical-align:middle}
.dot.gold{background:var(--gold);box-shadow:0 0 8px rgba(242,193,78,.7)}
.dot.silver{background:var(--silver)}
.dot.bronze{background:var(--bronze)}

/* ======================= 操作说明 ======================= */
.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:36px}
.help-col h3{
  font-size:11px;letter-spacing:.3em;color:var(--cyan);text-transform:uppercase;
  padding-bottom:14px;border-bottom:1px solid rgba(133,225,255,.14);margin-bottom:8px;
}
.key-row{
  display:flex;align-items:center;gap:18px;padding:13px 0;
  border-bottom:1px solid rgba(133,225,255,.06);
}
.key-row span{
  min-width:92px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;letter-spacing:.1em;color:#dff6ff;
  border:1px solid rgba(133,225,255,.25);background:rgba(10,30,44,.6);
  box-shadow:0 2px 0 rgba(95,224,255,.18);
}
.key-row p{font-size:14px;letter-spacing:.04em;flex:1;display:flex;align-items:baseline;gap:12px}
.key-row em{font-style:normal;font-size:9px;letter-spacing:.2em;color:rgba(140,180,196,.4)}
.help-tips{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;
}
.help-tips>div{
  border-left:1px solid rgba(95,224,255,.35);padding:4px 0 4px 16px;
}
.help-tips b{font-size:13px;letter-spacing:.16em;color:var(--cyan)}
.help-tips p{margin-top:8px;font-size:11.5px;line-height:1.8;color:rgba(170,205,220,.6)}
.help-foot{margin-top:auto;padding-top:22px;font-size:10px;letter-spacing:.18em;color:rgba(140,175,190,.35)}

/* ======================= 设置 ======================= */
#settings-screen .page-wrap{justify-content:center}
.settings-list{margin-top:12px}
.setting-row{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  padding:24px 0;border-bottom:1px solid rgba(133,225,255,.09);
}
.setting-label b{display:block;font-size:15px;letter-spacing:.08em;font-weight:500}
.setting-label span{display:block;margin-top:7px;font-size:11px;color:rgba(160,195,210,.5)}
.setting-control{display:flex;align-items:center;gap:16px;flex:0 0 300px;justify-content:flex-end}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:200px;height:2px;background:rgba(133,225,255,.2);outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 14px rgba(95,224,255,.55);cursor:pointer;
}
input[type=range]::-moz-range-thumb{
  width:14px;height:14px;border:0;border-radius:50%;background:var(--cyan);cursor:pointer;
}
.setting-control output{font-size:12px;color:var(--cyan);min-width:48px;text-align:right;letter-spacing:.06em}
select{
  background:rgba(8,22,34,.8);border:1px solid rgba(133,225,255,.22);color:var(--text);
  padding:9px 14px;font-size:12px;letter-spacing:.08em;outline:none;min-width:140px;
}
.switch{position:relative;width:46px;height:24px;display:inline-block;cursor:pointer}
.switch input{opacity:0;width:0;height:0}
.switch i{
  position:absolute;inset:0;background:rgba(255,255,255,.08);border:1px solid rgba(133,225,255,.2);
  transition:.25s;
}
.switch i::after{
  content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;background:rgba(200,230,242,.5);transition:.25s;
}
.switch input:checked + i{background:rgba(30,140,170,.35);border-color:rgba(95,224,255,.5)}
.switch input:checked + i::after{left:25px;background:var(--cyan);box-shadow:0 0 10px rgba(95,224,255,.6)}
.settings-foot{display:flex;align-items:center;gap:18px;margin-top:34px}
.settings-foot p{font-size:10px;letter-spacing:.15em;color:rgba(140,175,190,.4)}

/* ======================= HUD ======================= */
#game-ui{position:absolute;inset:0;z-index:8;pointer-events:none}
.hud-mission{
  position:absolute;left:36px;top:28px;display:flex;flex-direction:column;gap:8px;
  max-width:480px;
}
.hud-badge{
  align-self:flex-start;font-size:9px;letter-spacing:.24em;color:var(--cyan);
  border:1px solid rgba(95,224,255,.35);padding:5px 10px;background:rgba(3,14,23,.65);
}
#hud-objective{
  font-size:12.5px;letter-spacing:.06em;color:rgba(220,240,250,.8);
  text-shadow:0 2px 12px rgba(0,0,0,.7);line-height:1.6;
}
.hud-stats{
  position:absolute;right:36px;top:28px;display:flex;gap:26px;text-align:right;
}
.hud-stats .stat{display:flex;flex-direction:column;gap:5px}
.hud-stats .stat span{font-size:9px;letter-spacing:.22em;color:rgba(170,210,225,.5)}
.hud-stats .stat b{
  font-size:23px;letter-spacing:.08em;font-weight:500;color:#ecfaff;
  text-shadow:0 2px 14px rgba(0,20,30,.8);
}
.minimap-box{
  position:absolute;right:36px;top:106px;
  display:flex;flex-direction:column;align-items:flex-end;gap:6px;
}
#minimap{
  width:180px;height:180px;border:1px solid rgba(133,225,255,.24);
  background:rgba(3,12,20,.62);box-shadow:0 12px 30px rgba(0,10,18,.35);
}
.minimap-box span{font-size:9px;letter-spacing:.2em;color:rgba(150,195,210,.45)}
.hud-hint{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  font-size:10px;letter-spacing:.16em;color:rgba(190,222,235,.55);
  background:rgba(3,12,20,.55);border:1px solid rgba(133,225,255,.12);
  padding:8px 18px;white-space:nowrap;
  transition:opacity .6s ease;
}
.hud-warning{
  position:absolute;left:50%;top:32%;transform:translateX(-50%);
  color:#ff6b6b;font-size:15px;letter-spacing:.32em;font-weight:600;
  text-shadow:0 0 24px rgba(255,60,60,.75);display:none;
  border:1px solid rgba(255,90,90,.4);padding:8px 20px;background:rgba(30,0,0,.3);
}
.hud-warning.on{display:block;animation:warnBlink .9s infinite}
@keyframes warnBlink{0%,100%{opacity:1}50%{opacity:.28}}
.view-badge{
  position:absolute;right:36px;bottom:68px;font-size:9px;letter-spacing:.2em;
  color:rgba(170,210,225,.5);border:1px solid rgba(133,225,255,.16);padding:6px 11px;
  background:rgba(3,12,20,.45);
}
.gear-badge{
  position:absolute;right:36px;bottom:104px;font-size:9px;letter-spacing:.2em;
  color:#7ee8a0;border:1px solid rgba(126,232,160,.28);padding:6px 11px;
  background:rgba(3,12,20,.45);
}
.gear-badge.up{color:#ff9a6a;border-color:rgba(255,154,106,.32)}
.toast{
  position:absolute;left:50%;top:20%;transform:translate(-50%,-12px);
  padding:11px 26px;font-size:12px;letter-spacing:.16em;
  background:rgba(4,20,30,.88);border:1px solid rgba(95,224,255,.45);
  color:#d9f6ff;box-shadow:0 12px 40px rgba(0,15,25,.5);
  opacity:0;transition:opacity .3s ease,transform .3s ease;white-space:nowrap;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.success{border-color:rgba(102,240,168,.5);color:#c8ffe1}
.toast.warn{border-color:rgba(255,193,94,.55);color:#ffe1b0}
.crash-flash{
  position:absolute;inset:0;opacity:0;pointer-events:none;
  background:radial-gradient(circle at center,transparent 30%,rgba(150,20,20,.55) 100%);
  transition:opacity .16s ease;
}
.crash-flash.on{opacity:1}

/* ======================= 弹窗 ======================= */
.modal{
  width:min(480px,90vw);padding:38px 40px 30px;position:relative;
  background:linear-gradient(180deg,rgba(8,22,34,.96),rgba(5,14,23,.96));
  border:1px solid rgba(133,225,255,.2);
  box-shadow:0 40px 100px rgba(0,0,0,.6);
}
.modal::before{
  content:"";position:absolute;left:-1px;top:-1px;width:56px;height:2px;background:var(--cyan);
}
.modal h2{font-size:34px;letter-spacing:.12em;margin-top:10px;font-weight:600}
.modal-actions{display:flex;flex-direction:column;gap:8px;margin-top:26px}
.pause-meta{display:flex;gap:26px;margin-top:20px;padding:14px 0;border-top:1px solid rgba(133,225,255,.1);border-bottom:1px solid rgba(133,225,255,.1)}
.pause-meta div{display:flex;flex-direction:column;gap:4px}
.pause-meta span{font-size:9px;letter-spacing:.18em;color:rgba(160,195,210,.45)}
.pause-meta b{font-size:18px;font-weight:500;color:#dff6ff;letter-spacing:.06em}
.modal-foot{margin-top:18px;font-size:10px;letter-spacing:.18em;color:rgba(150,185,200,.35);text-align:center}

.result-modal{width:min(540px,92vw)}
.result-score{
  display:flex;align-items:flex-end;gap:12px;margin:22px 0 22px;
  padding-bottom:20px;border-bottom:1px solid rgba(133,225,255,.12);
}
.result-score span{
  font-size:62px;line-height:1;font-weight:600;letter-spacing:.04em;
  background:linear-gradient(180deg,#ffffff,#6fdcff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 24px rgba(60,180,220,.4));
}
.result-score small{font-size:9px;letter-spacing:.3em;color:rgba(170,210,225,.45);padding-bottom:8px}
.result-rows{display:flex;flex-direction:column;gap:1px}
.result-row{
  display:flex;justify-content:space-between;gap:16px;padding:10px 2px;
  font-size:12px;color:rgba(180,210,225,.62);
  border-bottom:1px solid rgba(133,225,255,.05);
}
.result-row b{color:#e8f7ff;font-weight:500;letter-spacing:.05em}
.result-row .good{color:#7cf0b4}
.result-actions{display:flex;flex-direction:column;gap:8px;margin-top:26px}
.result-foot{margin-top:16px;font-size:10px;letter-spacing:.16em;color:rgba(150,185,200,.35);text-align:center}

/* ======================= 响应式 ======================= */
@media (max-width:1100px){
  .mission-grid{grid-template-columns:1fr;gap:14px}
  .mission-card{flex-direction:row}
  .card-art{width:240px;height:auto;min-height:170px;border-bottom:0;border-right:1px solid rgba(133,225,255,.1)}
  .menu-right{display:none}
  .help-tips{grid-template-columns:1fr 1fr}
  #minimap{width:140px;height:140px}
}
@media (max-width:820px){
  .menu-left{width:100%}
  .help-grid{grid-template-columns:1fr;gap:20px}
  .help-tips{grid-template-columns:1fr}
  .records-bottom{flex-direction:column;align-items:flex-start}
  .mission-card{flex-direction:column}
  .card-art{width:100%;height:150px}
  .hud-stats{right:20px}
  .hud-mission{left:20px}
  .minimap-box{right:20px;top:90px}
}

/* ======================= 触屏操控 ======================= */
#touch-ui{position:absolute;inset:0;z-index:9;pointer-events:none}
.stick-zone{
  position:absolute;left:22px;bottom:26px;width:150px;height:150px;
  pointer-events:auto;touch-action:none;
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
}
.stick-base{
  position:absolute;inset:0;border-radius:50%;
  border:1.5px solid rgba(133,225,255,.35);
  background:radial-gradient(circle,rgba(10,28,42,.35),rgba(6,16,26,.55));
}
.stick-knob{
  position:absolute;left:50%;top:50%;width:58px;height:58px;margin:-29px 0 0 -29px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 30%,rgba(140,235,255,.85),rgba(30,120,150,.9));
  box-shadow:0 4px 18px rgba(0,20,30,.5);border:1px solid rgba(200,245,255,.5);
}
.stick-label{
  position:absolute;left:50%;bottom:-16px;transform:translateX(-50%);
  font-size:9px;letter-spacing:.22em;color:rgba(170,210,225,.5);white-space:nowrap;
}
.throttle-zone{
  position:absolute;right:26px;bottom:64px;width:56px;height:230px;
  pointer-events:auto;touch-action:none;
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
}
.throttle-track{
  position:absolute;left:50%;top:0;bottom:0;width:8px;transform:translateX(-50%);
  background:rgba(8,22,34,.6);border:1px solid rgba(133,225,255,.25);border-radius:4px;
}
.throttle-fill{
  position:absolute;left:0;right:0;bottom:0;height:0%;
  background:linear-gradient(180deg,#9fe8ff,#2ba9c4);border-radius:4px;
}
.throttle-handle{
  position:absolute;left:50%;bottom:0;width:44px;height:22px;transform:translate(-50%,50%);
  background:linear-gradient(180deg,#cfeeff,#5fb8d4);border-radius:6px;
  border:1px solid rgba(220,250,255,.6);box-shadow:0 4px 14px rgba(0,15,25,.5);
}
.touch-btn{
  position:absolute;pointer-events:auto;width:64px;height:64px;border-radius:50%;
  border:1.5px solid rgba(133,225,255,.4);background:rgba(8,22,34,.6);
  color:#dff6ff;font-size:12px;letter-spacing:.1em;
  touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
}
.touch-btn:active{background:rgba(40,120,155,.7)}
.touch-btn.brake{right:34px;bottom:322px}
#touch-view{right:34px;bottom:404px}
.touch-btn.pause{left:50%;transform:translateX(-50%);top:12px;width:46px;height:46px;font-size:13px}

/* ======================= 移动端适配 ======================= */
body.is-mobile{-webkit-tap-highlight-color:transparent}
body.is-mobile .hud-hint{bottom:auto;top:56px;font-size:9px;padding:6px 12px}
body.is-mobile .view-badge{display:none}
body.is-mobile .hud-mission{left:14px;top:10px;max-width:56vw}
body.is-mobile #hud-objective{font-size:11px}
body.is-mobile .hud-stats{right:14px;top:10px;gap:16px}
body.is-mobile .hud-stats .stat b{font-size:17px}
body.is-mobile .minimap-box{top:76px;right:14px}
body.is-mobile #minimap{width:100px;height:100px}
body.is-mobile .toast{top:14%;font-size:11px;max-width:86vw}
body.is-mobile .touch-help{display:grid}
.touch-help{display:none}