/* 星际拓荒者 · 网站样式：沿用像素天文台的墨蓝底 + 金色 + 液态玻璃，
   叠加游戏里的矿石橙、冷青和切角工业面板。 */
:root{
  color-scheme:dark;
  --ink-0:#05070d;--ink-1:#0a0f1e;--ink-2:#101a33;--line:#1c2742;
  --txt-hi:#e8ecf4;--txt-mid:#a8b2c8;--txt-low:#6a7690;
  --gold:#d9a648;--gold-soft:#e9c987;--blue-glow:#3d5aa0;
  --ore:#f2a444;--ore-hot:#ff7a2e;--cyan:#6fd6e0;--violet:#8d6bff;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI Variable Display","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Consolas,monospace;
  --cut:14px;
  /* Emil Kowalski 动效曲线：进出场用强 ease-out，画面内移动用 ease-in-out */
  --ease-out:cubic-bezier(0.23,1,0.32,1);
  --ease-in-out:cubic-bezier(0.77,0,0.175,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink-0);color:var(--txt-mid);font-family:var(--sans);font-size:16px;line-height:1.7;overflow-x:hidden}
html[data-lang="zh"] .en{display:none!important}
html[data-lang="en"] .zh{display:none!important}
a{color:var(--gold-soft)}
img{max-width:100%;display:block}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--gold-soft);outline-offset:3px}

.glass{
  background:linear-gradient(160deg,rgba(120,150,220,.10),rgba(20,30,60,.28) 45%,rgba(10,16,34,.36));
  backdrop-filter:blur(22px) saturate(1.7);-webkit-backdrop-filter:blur(22px) saturate(1.7);
  border:1px solid rgba(190,210,255,.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),inset 0 -1px 0 rgba(0,0,0,.3),0 18px 50px rgba(0,0,0,.45);
}
/* 游戏里的切角面板 */
.cut{clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut))}

/* ---------- 导航 ---------- */
.snav{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:100;display:flex;align-items:center;gap:8px;
  padding:7px 8px 7px 16px;border-radius:999px;width:max-content;max-width:calc(100vw - 24px)}
.snav-home{display:flex;align-items:center;gap:8px;color:var(--txt-mid);text-decoration:none;font-size:12px;letter-spacing:.04em;white-space:nowrap}
.snav-home:hover{color:var(--txt-hi)}
.snav-home .dot{width:7px;height:7px;border-radius:2px;background:var(--gold);box-shadow:0 0 10px rgba(217,166,72,.9)}
.snav-sep{width:1px;height:18px;background:rgba(190,210,255,.18)}
.snav-brand{color:var(--txt-hi);text-decoration:none;font-weight:700;font-size:14px;letter-spacing:.06em;white-space:nowrap;display:flex;align-items:center;gap:8px}
.ring-ico{width:16px;height:16px;border-radius:50%;flex:none;background:radial-gradient(circle at 35% 35%,#b89bff,#4b2f9e 70%);box-shadow:0 0 0 1.5px rgba(242,164,68,.9),0 0 12px rgba(141,107,255,.6)}
.snav-links{display:flex;gap:2px;margin:0 4px}
.snav-links a{color:var(--txt-mid);text-decoration:none;font-size:13px;padding:7px 11px;border-radius:999px;white-space:nowrap;transition:color .3s,background .3s}
.snav-links a:hover{color:var(--txt-hi);background:rgba(255,255,255,.08)}
.tool{font:600 12px var(--sans);display:inline-flex;align-items:center;gap:7px;color:var(--txt-hi);background:rgba(5,9,20,.5);
  border:1px solid rgba(190,210,255,.16);border-radius:999px;padding:7px 12px;cursor:pointer;white-space:nowrap;text-decoration:none}
.tool:hover{border-color:rgba(233,201,135,.45)}
.tool .who{max-width:120px;overflow:hidden;text-overflow:ellipsis}
.tool .led{width:7px;height:7px;border-radius:50%;background:var(--txt-low);flex:none}
.tool.in .led{background:#7ee0a0;box-shadow:0 0 8px #7ee0a0}
.lang-sw{display:flex;gap:2px;padding:3px;border-radius:999px;background:rgba(5,9,20,.5);border:1px solid rgba(190,210,255,.14);flex:none}
.lang-sw button{font:600 12px var(--sans);padding:5px 10px;border-radius:999px;border:0;cursor:pointer;background:transparent;color:var(--txt-low)}
.lang-sw button[aria-pressed="true"]{background:linear-gradient(160deg,rgba(190,210,255,.22),rgba(120,150,220,.12));color:var(--txt-hi)}
.play-pill{color:#1a0c02;background:linear-gradient(160deg,#ffd08a,var(--ore) 55%,var(--ore-hot));text-decoration:none;font-size:13px;font-weight:800;
  padding:9px 18px;border-radius:999px;white-space:nowrap;box-shadow:inset 0 1px 0 rgba(255,255,255,.55),0 4px 20px rgba(242,164,68,.4);
  transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s}
/* 顶栏右侧的浏览人数：等宽小字，数字用金色、等宽数字避免跳动；窄屏让位给按钮 */
.snav-visits{display:inline-flex;align-items:baseline;gap:7px;white-space:nowrap;padding:0 4px;
  font:10px var(--mono);color:var(--txt-low);letter-spacing:.14em;text-transform:uppercase}
.snav-visits b{font:600 13px var(--mono);color:var(--gold-soft);letter-spacing:.04em;font-variant-numeric:tabular-nums}
@media (max-width:1080px){.snav-links{display:none}}
@media (max-width:980px){.snav-visits{display:none}}
@media (max-width:640px){.snav-home .txt,.snav-sep,.snav-brand .name{display:none}.snav{padding-left:12px;gap:6px}.tool .who{max-width:70px}.lang-sw button{padding:5px 8px}}

/* ---------- 通用段落 ---------- */
.wrap{width:min(1180px,100%);margin:0 auto;padding-inline:20px}
section{padding-block:96px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--ore);display:flex;align-items:center;gap:12px;margin:0 0 14px}
.eyebrow::before{content:"";width:28px;height:1px;background:linear-gradient(90deg,transparent,var(--ore))}
h1,h2,h3{color:var(--txt-hi);text-wrap:balance;margin:0}
h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:.01em;margin-bottom:16px}
.lead{font-size:18px;max-width:64ch;color:var(--txt-mid);margin:0}
.btn{display:inline-flex;align-items:center;gap:10px;font:700 15px var(--sans);text-decoration:none;cursor:pointer;border:0;padding:14px 26px}
.btn-ore{color:#1a0c02;background:linear-gradient(160deg,#ffd08a,var(--ore) 55%,var(--ore-hot));box-shadow:0 8px 30px rgba(255,122,46,.35)}
.btn-ore:hover{filter:brightness(1.08)}
.btn-ghost{color:var(--txt-hi);background:rgba(10,16,34,.55);border:1px solid rgba(190,210,255,.22)}
.btn-ghost:hover{border-color:var(--gold-soft)}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:min(820px,100svh);display:flex;align-items:flex-end;padding:140px 0 72px;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;background:url(../img/hero.webp) 75% center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(180deg,rgba(5,7,13,.35) 0%,rgba(5,7,13,.15) 40%,rgba(5,7,13,.85) 82%,var(--ink-0) 100%),
  linear-gradient(90deg,rgba(5,7,13,.92) 0%,rgba(5,7,13,.55) 50%,rgba(5,7,13,.1) 100%)}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.3em;color:var(--gold-soft);text-transform:uppercase;margin-bottom:18px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.badge-new{font:800 11px var(--sans);letter-spacing:.14em;color:#1a0c02;background:var(--ore);padding:3px 9px}
.hero h1{font-size:clamp(44px,8vw,96px);line-height:1.05;letter-spacing:.04em;font-weight:800;
  background:linear-gradient(180deg,#fff,#dfe6ff 60%,#b9a6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .latin{font-family:var(--mono);letter-spacing:.5em;font-size:clamp(12px,1.6vw,16px);color:var(--ore);margin:10px 0 22px}
.hero .tag{font-size:clamp(18px,2.2vw,24px);color:var(--txt-hi);max-width:36ch;margin:0 0 30px;line-height:1.5}
.ctas{display:flex;gap:14px;flex-wrap:wrap}
.facts{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:40px;font-size:13px;color:var(--txt-mid)}
.facts b{font-family:var(--mono);color:var(--gold-soft);font-weight:600;margin-right:6px}

/* ---------- 宣传片 ---------- */
.trailer-frame{position:relative;padding:10px;margin-top:34px}
.trailer-frame video{width:100%;aspect-ratio:16/9;display:block;background:#000;height:auto}
.trailer-frame i{position:absolute;width:22px;height:22px;border:2px solid var(--ore)}
.trailer-frame .c1{top:0;left:0;border-right:0;border-bottom:0}.trailer-frame .c2{top:0;right:0;border-left:0;border-bottom:0}
.trailer-frame .c3{bottom:0;left:0;border-right:0;border-top:0}.trailer-frame .c4{bottom:0;right:0;border-left:0;border-top:0}
.caption-row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--txt-low);margin-top:12px}

/* ---------- 循环 ---------- */
.loop{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:40px 0 0;padding:0}
.loop li{list-style:none;padding:24px 22px;position:relative;background:linear-gradient(160deg,rgba(242,164,68,.09),rgba(13,21,48,.6));border:1px solid rgba(242,164,68,.2)}
.loop .idx{font-family:var(--mono);font-size:12px;color:var(--ore);letter-spacing:.2em}
.loop h3{font-size:20px;margin:8px 0 6px}
.loop p{margin:0;font-size:14.5px}
@media (max-width:860px){.loop{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.loop{grid-template-columns:1fr}}

/* ---------- 特色（图文交替） ---------- */
.feat{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;margin-top:72px}
.feat.flip .feat-img{order:2}
.feat-img{position:relative;padding:8px;border:0;background:linear-gradient(160deg,rgba(111,214,224,.22),rgba(242,164,68,.22));cursor:zoom-in;display:block;width:100%}
.feat-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feat-img .tagline{position:absolute;left:18px;bottom:18px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--txt-hi);background:rgba(5,7,13,.78);padding:4px 10px;border-left:2px solid var(--ore)}
.feat .num{font-family:var(--mono);color:var(--cyan);font-size:12px;letter-spacing:.3em}
.feat h3{font-size:clamp(22px,2.6vw,30px);margin:8px 0 12px}
.feat p{margin:0 0 14px}
.feat ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:14.5px}
.feat li{padding-left:20px;position:relative}
.feat li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--ore);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
@media (max-width:860px){.feat{grid-template-columns:1fr;gap:22px;margin-top:56px}.feat.flip .feat-img{order:0}}

/* ---------- 优点卡片 ---------- */
.perks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:40px}
.perk{padding:26px 24px;border:1px solid rgba(190,210,255,.12);background:linear-gradient(160deg,rgba(120,150,220,.08),rgba(13,21,48,.5));transition:transform .5s cubic-bezier(.22,1,.36,1),border-color .4s}
.perk .ico{width:40px;height:40px;display:grid;place-items:center;font-size:18px;color:var(--ore);border:1px solid rgba(242,164,68,.35);margin-bottom:14px;font-family:var(--mono)}
.perk h3{font-size:18px;margin-bottom:8px}
.perk p{margin:0;font-size:14.5px}
@media (max-width:900px){.perks{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.perks{grid-template-columns:1fr}}

/* ---------- 路线 ---------- */
.road{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));margin:44px 0 0;padding:0;position:relative}
.road::before{content:"";position:absolute;left:0;right:0;top:15px;height:2px;background:linear-gradient(90deg,var(--ore),var(--cyan),var(--violet))}
.road li{list-style:none;padding:38px 12px 0 0;position:relative}
.road li::before{content:"";position:absolute;top:8px;left:0;width:14px;height:14px;background:var(--ink-0);border:2px solid var(--ore);transform:rotate(45deg)}
.road b{display:block;color:var(--txt-hi);font-size:16px}
.road span{font-size:13px;color:var(--txt-mid);display:block;line-height:1.55}
@media (max-width:900px){.road{grid-template-columns:1fr;gap:18px}.road::before{left:7px;right:auto;top:0;bottom:0;width:2px;height:auto;background:linear-gradient(180deg,var(--ore),var(--cyan),var(--violet))}
  .road li{padding:0 0 0 34px}.road li::before{top:5px}}

/* ---------- 图库 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:36px}
.gallery button{padding:0;border:1px solid rgba(190,210,255,.12);background:none;cursor:zoom-in;overflow:hidden;display:block}
.gallery img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s cubic-bezier(.22,1,.36,1)}
.gallery .wide{grid-column:span 2;grid-row:span 2}
@media (max-width:760px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(3,5,10,.93);display:grid;place-items:center;padding:24px;cursor:zoom-out}
.lightbox img{max-height:90vh;width:auto;border:1px solid rgba(190,210,255,.2)}

/* ---------- 账号互通 ---------- */
.shared{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:44px}
.pair{display:flex;align-items:center;justify-content:center;gap:16px;font-size:14px;color:var(--txt-hi);flex-wrap:wrap}
.pair .node{padding:16px 18px;text-align:center;border:1px solid rgba(190,210,255,.2);background:rgba(5,9,20,.5);min-width:150px}
.pair .node small{display:block;color:var(--txt-low);font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;margin-top:4px}
.pair .key{width:100%;text-align:center;font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--ore)}
.pair .link{color:var(--ore);font-size:22px}
@media (max-width:820px){.shared{grid-template-columns:1fr;padding:28px}}

/* ---------- 页脚 CTA ---------- */
.final{text-align:center;padding-block:110px 90px;background:radial-gradient(ellipse at 50% 100%,rgba(141,107,255,.2),transparent 60%)}
.final h2{font-size:clamp(30px,5vw,54px)}
.final .ctas{justify-content:center;margin-top:28px}
footer{border-top:1px solid var(--line);padding-block:28px;font-size:13px;color:var(--txt-low)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--txt-mid)}

/* ---------- 账号弹窗 ---------- */
.acct-modal{position:fixed;inset:0;z-index:400;display:grid;place-items:center;padding:16px;background:rgba(3,5,10,.72)}
.acct-card{width:min(400px,100%);padding:26px;position:relative;background:linear-gradient(160deg,rgba(17,34,57,.98),rgba(5,10,22,.98));border:1px solid rgba(233,201,135,.3);max-height:calc(100dvh - 32px);overflow:auto}
.acct-card h3{font-size:19px;margin-bottom:4px;padding-right:24px}
.acct-card .sub{font-size:13px;color:var(--txt-mid);margin:0 0 16px}
.acct-tabs{display:flex;gap:4px;margin-bottom:16px;background:rgba(5,9,20,.6);padding:3px;border:1px solid rgba(190,210,255,.12)}
.acct-tabs button{flex:1;font:600 13px var(--sans);padding:8px;border:0;background:transparent;color:var(--txt-low);cursor:pointer}
.acct-tabs button[aria-selected="true"]{background:rgba(242,164,68,.16);color:var(--txt-hi)}
.acct-field{display:grid;gap:6px;font-size:13px;color:var(--txt-mid);margin-bottom:12px}
.acct-field input{font:15px var(--sans);color:var(--txt-hi);background:rgba(5,9,20,.7);border:1px solid rgba(190,210,255,.2);padding:10px 12px;outline:none;width:100%}
.acct-field input:focus{border-color:var(--ore)}
.acct-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.acct-status{min-height:20px;font-size:13px;color:#ff9f8a;margin:6px 0}
.acct-card .btn{width:100%;justify-content:center}
.acct-close{position:absolute;top:10px;right:12px;background:none;border:0;color:var(--txt-mid);font-size:22px;cursor:pointer;line-height:1}
.acct-user{font-size:22px;color:var(--txt-hi);font-weight:700;margin:6px 0 4px;word-break:break-all}
.acct-note{font-size:12.5px;color:var(--txt-low);margin-top:14px;line-height:1.6}
.acct-ts{margin:4px 0 8px}