/* ==========================================================================
   科技熊 · 深空终端 (Deep-Space Terminal) landing
   Design system + responsive Hero / 双链路HA / 数据条 / 套餐 / 场景 / 流程 / CTA.
   Fonts: self-hosted Latin display+mono (woff2, China-safe, no external CDN);
   Chinese stays on the system stack (PingFang/雅黑) — zero-byte, premium.
   ========================================================================== */
/* Self-hosted Latin display + mono (variable woff2, latin subset ~22/31KB) */
@font-face{
  font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('/theme/deepspace/fonts/spacegrotesk.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+2000-206F,U+2074,U+20AC,U+2212,U+2215;
}
@font-face{
  font-family:'JetBrains Mono';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('/theme/deepspace/fonts/jetbrainsmono.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+2000-206F,U+2074,U+20AC,U+2212,U+2215;
}
:root{
  --bg:#07080C; --bg-elev:#0C0E16; --panel:#11141F; --hair:rgba(255,255,255,.08);
  --text:#EAEEF7; --muted:#8A93A6; --cyan:#38E1FF; --iris:#6E7BFF; --mint:#34F5C5; --gold:#E8C37A;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-display:"Space Grotesk",-apple-system,"PingFang SC",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --maxw:1280px;
}
*{box-sizing:border-box}
html,body{margin:0}
html{overflow-x:hidden}
body.ds{
  background:var(--bg); color:var(--text); font-family:var(--font-sans);
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
.ds a{text-decoration:none;color:inherit}
.ds img{display:block;max-width:100%}

/* ---- background field (aurora + grid + noise) ---- */
.ds-bgfx{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.ds-grid{position:absolute;inset:0;
  background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);
  background-size:54px 54px;opacity:.32;
  -webkit-mask-image:radial-gradient(120% 90% at 70% 0%,#000 28%,transparent 75%);
          mask-image:radial-gradient(120% 90% at 70% 0%,#000 28%,transparent 75%)}
.ds-aurora{position:absolute;border-radius:50%;filter:blur(90px)}
.ds-a1{width:760px;height:620px;left:46%;top:-260px;background:radial-gradient(circle,rgba(42,59,255,.5),transparent 62%)}
.ds-a2{width:680px;height:560px;left:60%;top:-160px;background:radial-gradient(circle,rgba(0,224,255,.34),transparent 60%)}
.ds-a3{width:520px;height:420px;left:-180px;top:420px;background:radial-gradient(circle,rgba(110,123,255,.2),transparent 60%)}
.ds-wrap{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 40px}

/* ---- nav ---- */
.ds-nav{position:relative;z-index:10}
.ds-nav .ds-wrap{display:flex;align-items:center;justify-content:space-between;padding-top:22px;padding-bottom:22px}
.ds-brand{display:flex;align-items:center;gap:11px}
.ds-brand img{height:38px;width:auto;display:block}
.ds-brand .wm{display:flex;flex-direction:column;justify-content:center;font-weight:700;font-size:20px;line-height:1.08}
.ds-brand .wm .en{display:flex;justify-content:space-between;width:100%;font-family:var(--font-display);font-size:9.5px;color:var(--muted);font-weight:600;line-height:1;margin-top:4px}
.ds-brand .wm .en i{font-style:normal}
.ds-navlinks{display:flex;gap:38px;font-size:15px}
.ds-navlinks a{color:var(--muted);transition:color .2s}
.ds-navlinks a:hover,.ds-navlinks a.on{color:var(--text)}
.ds-navbtns{display:flex;gap:13px;align-items:center}
.ds-btn{font-size:14px;padding:11px 22px;border-radius:10px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform .2s,box-shadow .2s}
.ds-btn-ghost{color:var(--text);border-color:var(--hair)}
.ds-btn-ghost:hover{border-color:rgba(255,255,255,.25)}
.ds-btn-primary{color:#04121b;font-weight:700;background:linear-gradient(120deg,var(--cyan),var(--iris));box-shadow:0 6px 22px rgba(56,225,255,.26)}
.ds-btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(56,225,255,.4)}
.ds-burger{display:none;width:44px;height:44px;border:1px solid var(--hair);border-radius:11px;
  flex-direction:column;gap:4px;align-items:center;justify-content:center;cursor:pointer;background:transparent}
.ds-burger span{width:18px;height:2px;background:var(--text);border-radius:2px}

/* ---- mobile drawer ---- */
.ds-drawer{position:fixed;inset:0;z-index:50;background:var(--bg);
  transform:translateX(100%);transition:transform .32s cubic-bezier(.16,1,.3,1);
  display:flex;flex-direction:column;padding:18px 24px 34px}
.ds-drawer.open{transform:translateX(0)}
.ds-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.ds-drawer-top img{height:34px}
.ds-drawer .wm{font-size:18px}
.ds-drawer .wm .en{font-size:8.5px;margin-top:3px}
.ds-close{width:42px;height:42px;border:1px solid var(--hair);border-radius:11px;position:relative;background:transparent;cursor:pointer}
.ds-close::before,.ds-close::after{content:"";position:absolute;left:11px;top:20px;width:18px;height:2px;background:var(--text);border-radius:2px}
.ds-close::before{transform:rotate(45deg)}.ds-close::after{transform:rotate(-45deg)}
.ds-drawer nav{display:flex;flex-direction:column;margin-top:10px}
.ds-drawer nav a{display:flex;align-items:center;justify-content:space-between;padding:22px 4px;border-bottom:1px solid var(--hair);font-size:24px;font-weight:700}
.ds-drawer nav a .mono{font-family:var(--font-mono);font-size:12px;color:var(--muted);font-weight:400}
.ds-drawer nav a.on{color:var(--cyan)}
.ds-drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.ds-drawer-cta .ds-btn{text-align:center;padding:16px;font-size:16px}

/* ---- hero ---- */
.ds-hero .ds-wrap{display:grid;grid-template-columns:1.04fr 1fr;gap:30px;align-items:center;
  padding-top:50px;padding-bottom:70px;min-height:660px}
.ds-kicker{font-family:var(--font-mono);font-size:13px;letter-spacing:.3px;color:var(--cyan);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:26px;
  border:1px solid var(--hair);padding:8px 14px;border-radius:999px;background:rgba(56,225,255,.05)}
.ds-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint)}
.ds-hero h1{font-family:var(--font-display);font-weight:900;font-size:clamp(46px,6vw,84px);line-height:1.04;letter-spacing:-2px;margin:0 0 22px}
.ds-hero h1 .g{background:linear-gradient(120deg,#fff,#9fb4ff 55%,var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.ds-sub{font-size:17.5px;line-height:1.85;color:var(--muted);max-width:540px;margin:0 0 30px}
.ds-sub b{color:var(--text);font-weight:600}
.ds-specs{display:flex;gap:14px;margin-bottom:32px}
.ds-spec{flex:1;border:1px solid var(--hair);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);padding:16px 18px}
.ds-spec .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.5px;color:var(--muted)}
.ds-spec .val{font-family:var(--font-mono);font-weight:700;font-size:clamp(20px,2vw,27px);margin-top:7px;white-space:nowrap}
.ds-spec .val.cy{color:var(--cyan);text-shadow:0 0 18px rgba(56,225,255,.45)}
.ds-spec .val.mt{color:var(--mint);text-shadow:0 0 18px rgba(52,245,197,.4)}
.ds-ctas{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.ds-cta{font-size:16px;padding:16px 30px;border-radius:12px;font-weight:700}
.ds-cta.go{color:#04121b;background:linear-gradient(120deg,var(--cyan),var(--iris));box-shadow:0 10px 32px rgba(56,225,255,.3);transition:transform .2s,box-shadow .2s}
.ds-cta.go:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(56,225,255,.45)}
.ds-cta.gh{color:var(--text);border:1px solid var(--hair);font-weight:500}
.ds-cta.gh:hover{border-color:rgba(255,255,255,.25)}
.ds-trust{margin-top:22px;font-family:var(--font-mono);font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 18px}
.ds-trust b{color:var(--text);font-weight:500}

/* ---- hero viz: constellation + watermark + terminal + tags ---- */
.ds-viz{position:relative;min-height:560px}
.ds-stage{position:absolute;inset:0;z-index:1}
.ds-viz .ghost{position:absolute;left:54%;top:46%;transform:translate(-50%,-50%);height:78%;width:auto;opacity:.06;z-index:1}
.ds-viz .cons{position:absolute;inset:0;width:100%;height:100%;z-index:2}
.ds-tag{position:absolute;z-index:4;font-family:var(--font-mono);font-size:11px;color:var(--text);
  background:rgba(12,14,22,.7);border:1px solid var(--hair);border-radius:7px;padding:4px 9px;white-space:nowrap;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;gap:6px}
.ds-tag .d{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.ds-tag .d2{width:6px;height:6px;border-radius:50%;border:1px solid var(--iris);box-shadow:0 0 6px rgba(110,123,255,.6);margin-left:-2px}
.ds-tag em{font-style:normal;color:var(--muted)}
.ds-tag.t-tok{left:8%;top:40%}
.ds-tag.t-fra{left:60%;top:24%}
.ds-tag.t-lax{left:74%;top:33%}
.ds-tag.t-sin{left:20%;top:74%}
.ds-cap{position:absolute;left:6%;bottom:16%;z-index:3;font-family:var(--font-mono);font-size:13px;color:var(--muted);letter-spacing:2px}
.ds-term{position:absolute;right:0;bottom:2%;z-index:5;width:300px;max-width:88%;
  border:1px solid var(--hair);border-radius:14px;background:rgba(12,14,22,.74);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 18px 50px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.06);overflow:hidden;font-family:var(--font-mono)}
.ds-term .bar{display:flex;gap:6px;padding:11px 14px;border-bottom:1px solid var(--hair);align-items:center}
.ds-term .bar i{width:9px;height:9px;border-radius:50%}
.ds-term .bar .t{margin-left:8px;font-size:11px;color:var(--muted)}
.ds-term .body{padding:13px 16px;font-size:12.5px;line-height:1.95}
.ds-term .k{color:var(--muted)} .ds-term .cyl{color:var(--cyan)} .ds-term .irl{color:var(--iris)} .ds-term .ok{color:var(--mint)}

/* ---- footer (minimal, P0) ---- */
.ds-footer{position:relative;z-index:2;border-top:1px solid var(--hair);margin-top:40px}
.ds-footer .ds-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:30px;padding-bottom:36px;flex-wrap:wrap}
.ds-footer .fb{display:flex;align-items:center;gap:11px}
.ds-footer .fb img{height:30px}
.ds-footer .fb .wm{font-weight:700;font-size:16px}
.ds-footer .flinks{display:flex;gap:24px;font-size:14px;color:var(--muted)}
.ds-footer .flinks a:hover{color:var(--text)}
.ds-footer .fcopy{font-family:var(--font-mono);font-size:12px;color:var(--muted)}

/* ---- reveal animation (visible by default; only hidden when JS present, so no-JS never blanks) ---- */
.js-on .ds-reveal{opacity:0;transform:translateY(24px)}
.js-on .ds-reveal.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}

/* ---- constellation life: mouse tilt (depth layers) + twinkle + meteors ---- */
.ds-viz{perspective:1100px}
.ds-stage{transform-style:preserve-3d;will-change:transform}
.ds-viz .cons{transform:translateZ(20px)}
.ds-viz .ghost{transform:translate(-50%,-50%) translateZ(-36px)}
.ds-stage .ds-tag{transform:translateZ(40px)}
.cons .scatter circle{opacity:.2;animation:dsTwinkle 4.6s ease-in-out infinite}
.cons .scatter circle:nth-child(3n){animation-duration:6.1s;animation-delay:.9s}
.cons .scatter circle:nth-child(3n+1){animation-duration:5.3s;animation-delay:1.8s}
@keyframes dsTwinkle{0%,100%{opacity:.13}50%{opacity:.52}}
.cons .nodes circle[data-pulse]{animation:dsBreathe 3.4s ease-in-out infinite}
.cons .nodes circle[data-pulse]:nth-of-type(2n){animation-delay:1.2s;animation-duration:4.2s}
@keyframes dsBreathe{0%,100%{opacity:.85}50%{opacity:1}}
.ds-meteors{position:fixed;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.ds-meteor{position:absolute;left:0;top:0;height:2px;width:170px;opacity:0;border-radius:2px;
  background:linear-gradient(90deg,rgba(56,225,255,0) 0%,rgba(160,230,255,.85) 78%,#eafcff 100%);
  filter:drop-shadow(0 0 6px rgba(56,225,255,.55))}
@keyframes dsMeteor{0%{opacity:0;transform:rotate(var(--a)) translateX(0)}
  8%{opacity:1}88%{opacity:.92}100%{opacity:0;transform:rotate(var(--a)) translateX(var(--len))}}

/* ============================ responsive ============================ */
@media (max-width:980px){
  .ds-wrap{padding:0 24px}
  .ds-navlinks{display:none}
  .ds-navbtns{display:none}
  .ds-burger{display:flex}
  .ds-hero .ds-wrap{grid-template-columns:1fr;gap:8px;padding-top:18px;padding-bottom:36px;min-height:0}
  .ds-viz{min-height:0;margin-top:18px}
  .ds-stage{position:relative;height:300px}
  .ds-viz .ghost{height:230px;top:42%}
  .ds-tag{display:none}
  .ds-cap{left:2%;bottom:14px}
  .ds-term{position:static;width:auto;margin:16px auto 0;max-width:340px}
  .ds-sub{max-width:none}
}
@media (max-width:560px){
  .ds-wrap{padding:0 18px}
  .ds-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
  .ds-spec{min-width:0;padding:11px 8px;text-align:center}
  .ds-spec .lbl{font-size:9px;letter-spacing:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ds-spec .val{font-size:17px}
  .ds-ctas{flex-direction:column;align-items:stretch}
  .ds-cta{text-align:center}
  .ds-footer .ds-wrap{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (prefers-reduced-motion:reduce){
  .js-on .ds-reveal{opacity:1;transform:none;transition:none}
  .cons .scatter circle,.cons .nodes circle[data-pulse]{animation:none}
  .ds-stage{transform:none!important}
  .ds-meteors{display:none}
}

/* ============================ P1: 双链路高可用 ============================ */
.ds-ha{position:relative;z-index:2;padding:96px 0 36px}
.ds-ha .ha-head{text-align:center;max-width:880px;margin:0 auto 36px}
.ds-ha .eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:3px;color:var(--mint);text-transform:uppercase}
.ds-ha .kk{font-family:var(--font-mono);font-size:12.5px;color:var(--cyan);display:inline-block;border:1px solid var(--hair);background:rgba(56,225,255,.05);padding:7px 14px;border-radius:999px;margin:14px 0 22px}
.ds-ha h2{font-family:var(--font-display);font-size:clamp(32px,4.6vw,54px);font-weight:900;letter-spacing:-1.5px;line-height:1.08;margin:0 0 20px}
.ds-ha h2 .g{background:linear-gradient(120deg,var(--cyan),var(--iris));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.ds-ha .sub{font-size:16.5px;line-height:1.85;color:var(--muted);margin:0 auto;max-width:760px}
.ds-ha .sub b{color:var(--text);font-weight:600}
.ds-ha .stage{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;margin-top:40px;align-items:stretch}
.ds-ha .card{border:1px solid var(--hair);border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent),var(--panel);box-shadow:0 20px 60px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.05);position:relative;overflow:hidden}
.ds-ha .diagram{padding:30px 30px 22px}
.ds-ha .statebadge{position:absolute;top:20px;right:22px;font-family:var(--font-mono);font-size:11px;letter-spacing:1px;border:1px solid var(--hair);border-radius:999px;padding:6px 12px;background:rgba(12,14,22,.7);color:var(--cyan);transition:color .4s}
.ds-ha.fail .statebadge{color:var(--gold)}
.ds-ha .statebadge .f{display:none}
.ds-ha.fail .statebadge .n{display:none}.ds-ha.fail .statebadge .f{display:inline}
.ds-ha .dtitle{font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:1px;margin-bottom:6px}
.ds-ha .console{padding:24px;font-family:var(--font-mono);font-size:13px;line-height:2.0}
.ds-ha .console .bar{display:flex;gap:6px;align-items:center;margin:-4px 0 14px}
.ds-ha .console .bar i{width:9px;height:9px;border-radius:50%}
.ds-ha .console .bar .t{margin-left:8px;font-size:11px;color:var(--muted)}
.ds-ha .console .k{color:var(--muted)}.ds-ha .console .cy{color:var(--cyan)}.ds-ha .console .ir{color:var(--iris)}.ds-ha .console .mt{color:var(--mint)}.ds-ha .console .gd{color:var(--gold)}.ds-ha .console .dim{color:#5b6577}
.ds-ha .specs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.ds-ha .spec{border:1px solid var(--hair);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);padding:18px 20px}
.ds-ha .spec .l{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:1px}
.ds-ha .spec .v{font-weight:800;font-size:20px;margin-top:8px}
.ds-ha .spec .v.cy{color:var(--cyan)}.ds-ha .spec .v.mt{color:var(--mint)}
.ds-ha .nodelabel{font-family:var(--font-mono);font-size:12px;fill:var(--muted)}
.ds-ha .diagram text{font-family:var(--font-mono)}
.ds-ha .ha-v{display:none}
/* diagram motion */
.ds-ha .pulse{animation:haPulse 2.4s linear infinite}
@keyframes haPulse{from{stroke-dashoffset:760}to{stroke-dashoffset:0}}
.ds-ha .pk{animation:haPk 2.8s ease-in-out infinite}
@keyframes haPk{0%,100%{opacity:.55}50%{opacity:1}}
.ds-ha .main .track,.ds-ha .pulse,.ds-ha .pkm,.ds-ha .backup .track,.ds-ha .pkb,.ds-ha .pmain text,.ds-ha .pmain rect,.ds-ha .pbak rect,.ds-ha .xmark{transition:opacity .5s ease,stroke .5s ease,fill .5s ease}
.ds-ha .xmark{opacity:0}
.ds-ha .bfail{display:none}
/* failover state */
.ds-ha.fail .main .track{stroke:#3b4250;filter:none}
.ds-ha.fail .main .pulse{opacity:0}
.ds-ha.fail .main .pkm{opacity:0}
.ds-ha.fail .main .xmark{opacity:1}
.ds-ha.fail .pmain text{fill:#5b6577}.ds-ha.fail .pmain rect{stroke:rgba(255,255,255,.05)}
.ds-ha.fail .backup .track{stroke:var(--mint);stroke-dasharray:none;stroke-width:3.5}
.ds-ha.fail .backup .pkb{fill:#bff4ff}
.ds-ha.fail .pbak rect{stroke:rgba(52,245,197,.4)}
.ds-ha.fail .bnorm{display:none}.ds-ha.fail .bfail{display:inline}

/* ============================ P1: 数据条 (stats bus) ============================ */
.ds-stats{position:relative;z-index:2;padding:34px 0}
.ds-stats .bus{border:1px solid var(--hair);border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent),rgba(12,14,22,.6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.ds-stats .stat{padding:30px 36px;border-right:1px solid var(--hair);position:relative}
.ds-stats .stat:last-child{border-right:none}
.ds-stats .stat .l{font-family:var(--font-mono);font-size:11px;letter-spacing:2px;color:var(--muted);text-transform:uppercase}
.ds-stats .stat .n{font-family:var(--font-mono);font-weight:700;font-size:clamp(28px,3.2vw,42px);margin-top:8px;line-height:1;color:var(--text);white-space:nowrap}
.ds-stats .stat .n.cy{color:var(--cyan)}.ds-stats .stat .n.mt{color:var(--mint)}
.ds-stats .stat .seal{height:2px;width:64px;margin-top:14px;background:linear-gradient(90deg,var(--gold),rgba(232,195,122,0));border-radius:2px;box-shadow:0 0 10px rgba(232,195,122,.5)}
.js-on .ds-stats .stat .seal{width:0;transition:width .8s ease .25s}
.js-on .ds-stats.in .stat .seal{width:64px}

/* ============================ P1: 套餐 (pricing) ============================ */
.ds-pricing{position:relative;z-index:2;padding:54px 0 90px}
.ds-pricing .sechead{text-align:center;margin:0 0 6px}
.ds-pricing .sechead .kk{font-family:var(--font-mono);color:var(--cyan);font-size:13px;letter-spacing:2px}
.ds-pricing .sechead h2{font-family:var(--font-display);font-size:clamp(28px,3.6vw,44px);font-weight:900;letter-spacing:-1px;margin:12px 0 8px}
.ds-pricing .sechead p{color:var(--muted);font-size:15px;margin:0}
.ds-pricing .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:56px 0 0}
.ds-pricing .tier{border:1px solid var(--hair);border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent),var(--panel);padding:46px 28px 34px;position:relative;box-shadow:0 16px 40px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.05);display:flex;flex-direction:column}
.ds-pricing .tn{font-size:14px;color:var(--muted);font-family:var(--font-mono);letter-spacing:1px}
.ds-pricing .nm{font-size:24px;font-weight:900;margin:6px 0 16px}
.ds-pricing .pr{font-family:var(--font-mono);font-weight:700;font-size:36px;line-height:1}
.ds-pricing .pr small{font-size:15px;color:var(--muted);font-weight:400}
.ds-pricing ul{list-style:none;padding:0;margin:22px 0 26px;display:flex;flex-direction:column;gap:13px}
.ds-pricing li{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text)}
.ds-pricing li .bd{width:7px;height:7px;border-radius:50%;flex:none;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.ds-pricing li .bd.gd{background:var(--gold);box-shadow:0 0 8px var(--gold)}
.ds-pricing .buy{margin-top:auto;text-align:center;padding:13px;border-radius:11px;text-decoration:none;font-weight:700;font-size:15px;color:var(--text);border:1px solid var(--hair);background:rgba(255,255,255,.02);transition:border-color .2s,transform .2s}
.ds-pricing .buy:hover{border-color:rgba(255,255,255,.25);transform:translateY(-1px)}
.ds-pricing .crest{position:absolute;top:-28px;left:50%;transform:translateX(-50%);height:54px;width:auto}
.ds-pricing .diamond{border-color:rgba(56,225,255,.3)}
.ds-pricing .diamond .nm{color:var(--cyan)}
.ds-pricing .diamond .crest{filter:drop-shadow(0 6px 16px rgba(56,225,255,.3))}
.ds-pricing .flag{border-color:rgba(232,195,122,.55);box-shadow:0 24px 60px rgba(232,195,122,.14),inset 0 1px 0 rgba(232,195,122,.2)}
.ds-pricing .flag .nm,.ds-pricing .flag .pr{color:var(--gold)}
.ds-pricing .flag .crest{height:62px;top:-32px;filter:drop-shadow(0 6px 18px rgba(232,195,122,.4))}
.ds-pricing .flag .buy{color:#1a1206;font-weight:800;background:linear-gradient(120deg,#f3dca6,var(--gold));border:none;box-shadow:0 10px 30px rgba(232,195,122,.3)}
.ds-pricing .flag .buy:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(232,195,122,.45)}
.ds-pricing .flagtag{position:absolute;top:18px;right:18px;font-family:var(--font-mono);font-size:10px;letter-spacing:1px;color:var(--gold);border:1px solid rgba(232,195,122,.45);border-radius:999px;padding:4px 9px}

/* ---- P1 responsive ---- */
@media (max-width:900px){
  .ds-ha .stage{grid-template-columns:1fr}
  .ds-pricing .grid4{grid-template-columns:1fr 1fr;gap:34px 22px}
}
@media (max-width:560px){
  .ds-ha{padding:64px 0 24px}
  .ds-ha .ha-h{display:none}
  .ds-ha .ha-v{display:block;max-width:272px;margin:2px auto 0}
  .ds-ha .dtitle{display:none}
  .ds-ha .statebadge{position:static;width:max-content;max-width:100%;margin:0 auto 6px}
  .ds-ha .specs{grid-template-columns:1fr 1fr;gap:12px}
  .ds-stats .bus{grid-template-columns:1fr 1fr}
  .ds-stats .stat{padding:22px 20px}
  .ds-stats .stat:nth-child(2n){border-right:none}
  .ds-stats .stat:nth-child(1),.ds-stats .stat:nth-child(2){border-bottom:1px solid var(--hair)}
  .ds-pricing{padding:40px 0 64px}
  .ds-pricing .grid4{grid-template-columns:1fr;gap:40px}
}
@media (prefers-reduced-motion:reduce){
  .ds-ha .pulse,.ds-ha .pk{animation:none}
}

/* backdrop-filter fallback for old Android / 微信 X5 (solidify the glass) */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .ds-tag{background:#0e1119}
  .ds-term{background:#0e1119}
  .ds-stats .bus{background:#0d1018}
  .ds-drawer{background:var(--bg)}
}

/* ============================ P2: 三大场景 ============================ */
.ds-scene{position:relative;z-index:2;padding:70px 0;overflow:hidden}
.ds-scene .ds-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.ds-scene.alt .ds-wrap{grid-template-columns:1fr 1.05fr}
.ds-scene.alt .sc-copy{order:2}
.ds-scene .sc-glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.4;z-index:-1;pointer-events:none}
.ds-scene.s-game .sc-glow{width:560px;height:460px;left:54%;top:6%;background:radial-gradient(circle,rgba(59,107,255,.55),transparent 62%)}
.ds-scene.s-ai .sc-glow{width:540px;height:440px;left:-8%;top:10%;background:radial-gradient(circle,rgba(139,92,255,.5),transparent 62%)}
.ds-scene.s-ec .sc-glow{width:560px;height:460px;left:54%;top:8%;background:radial-gradient(circle,rgba(0,224,255,.42),transparent 62%)}
.ds-scene .sc-kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--cyan);text-transform:uppercase}
.ds-scene.s-ai .sc-kicker{color:#9a86ff}
.ds-scene h2{font-family:var(--font-display);font-size:clamp(28px,3.6vw,42px);font-weight:900;letter-spacing:-1px;line-height:1.12;margin:14px 0 16px}
.ds-scene .sc-lead{font-size:16px;line-height:1.8;color:var(--muted);margin:0 0 22px;max-width:460px}
.ds-scene .sc-list{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:13px}
.ds-scene .sc-list li{display:flex;gap:12px;font-size:15px;line-height:1.6;color:var(--text)}
.ds-scene .sc-list svg{flex:none;width:20px;height:20px;margin-top:2px;color:var(--cyan)}
.ds-scene.s-ai .sc-list svg{color:#9a86ff}
.ds-scene .sc-list b{font-weight:600}
.ds-scene .sc-cap{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12.5px;color:var(--mint);border:1px solid var(--hair);background:rgba(12,14,22,.5);border-radius:999px;padding:7px 14px}
.ds-scene .sc-cap .d{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 8px var(--mint)}
.ds-scene .sc-wall{position:relative;border:1px solid var(--hair);border-radius:22px;overflow:hidden;background:var(--bg-elev);box-shadow:0 24px 70px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.05)}
.ds-scene .sc-wall img{width:100%;height:auto;display:block;filter:grayscale(.45) brightness(.92) contrast(1.05);transition:filter .5s ease,transform .5s ease}
.ds-scene .sc-wall:hover img{filter:grayscale(0) brightness(1.04);transform:scale(1.015)}
.ds-scene .sc-wall::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 90px rgba(7,8,12,.7)}

/* ============================ P2: 使用流程 ============================ */
.ds-steps{position:relative;z-index:2;padding:80px 0}
.ds-steps .sechead{text-align:center;margin:0 0 50px}
.ds-steps .kk{font-family:var(--font-mono);color:var(--cyan);font-size:13px;letter-spacing:2px}
.ds-steps h2{font-family:var(--font-display);font-size:clamp(28px,3.6vw,44px);font-weight:900;letter-spacing:-1px;margin:12px 0 8px}
.ds-steps .sechead p{color:var(--muted);font-size:15px;margin:0}
.ds-steps .row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.ds-steps .row::before{content:"";position:absolute;top:46px;left:16%;right:16%;height:1px;
  background:linear-gradient(90deg,transparent,var(--hair) 12%,var(--hair) 88%,transparent);z-index:0}
.ds-step{position:relative;z-index:1;border:1px solid var(--hair);border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent),var(--panel);padding:30px 26px;box-shadow:0 16px 40px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.05)}
.ds-step .no{font-family:var(--font-mono);font-size:28px;font-weight:700;color:var(--cyan);line-height:1;text-shadow:0 0 18px rgba(56,225,255,.4)}
.ds-step .ic{width:46px;height:46px;border-radius:12px;border:1px solid var(--hair);display:flex;align-items:center;justify-content:center;color:var(--cyan);margin:16px 0 16px}
.ds-step h3{font-size:19px;font-weight:700;margin:0 0 8px}
.ds-step p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}

/* ============================ P2: CTA 落幕 ============================ */
.ds-cta-end{position:relative;z-index:2;padding:110px 0 100px;text-align:center;overflow:hidden}
.ds-cta-end .glow{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);width:760px;height:520px;border-radius:50%;filter:blur(110px);background:radial-gradient(circle,rgba(56,225,255,.34),rgba(110,123,255,.18) 45%,transparent 70%);z-index:-1}
.ds-cta-end h2{font-family:var(--font-display);font-size:clamp(34px,5vw,64px);font-weight:900;letter-spacing:-2px;line-height:1.06;margin:0 0 18px}
.ds-cta-end h2 .g{background:linear-gradient(120deg,#fff,#9fb4ff 55%,var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.ds-cta-end p{font-size:17px;color:var(--muted);margin:0 auto 34px;max-width:560px}
.ds-cta-end .go{display:inline-block;font-size:17px;padding:18px 40px;border-radius:14px;font-weight:800;color:#04121b;background:linear-gradient(120deg,var(--cyan),var(--iris));box-shadow:0 14px 44px rgba(56,225,255,.36);transition:transform .2s,box-shadow .2s}
.ds-cta-end .go:hover{transform:translateY(-2px);box-shadow:0 18px 54px rgba(56,225,255,.5)}
.ds-cta-end .note{margin-top:18px;font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}

/* ============================ P2: footer ============================ */
.ds-foot{position:relative;z-index:2;border-top:1px solid var(--hair);background:rgba(7,8,12,.6)}
.ds-foot .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:30px;padding:56px 0 40px}
.ds-foot .fbrand .lk{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.ds-foot .fbrand .lk img{height:36px}
.ds-foot .fbrand .lk .wm{font-weight:700;font-size:18px}
.ds-foot .fbrand p{font-size:13.5px;line-height:1.75;color:var(--muted);margin:0;max-width:300px}
.ds-foot .col h4{font-size:13px;font-family:var(--font-mono);letter-spacing:1px;color:var(--muted);margin:0 0 16px;text-transform:uppercase}
.ds-foot .col a{display:block;font-size:14px;color:var(--text);opacity:.78;padding:7px 0;transition:opacity .2s}
.ds-foot .col a:hover{opacity:1}
.ds-foot .bottom{border-top:1px solid var(--hair);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;flex-wrap:wrap}
.ds-foot .bottom .cp{font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.ds-foot .bottom .soc{display:flex;gap:14px}
.ds-foot .bottom .soc a{width:38px;height:38px;border:1px solid var(--hair);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:color .2s,border-color .2s}
.ds-foot .bottom .soc a:hover{color:var(--text);border-color:rgba(255,255,255,.25)}

/* ---- P2 responsive ---- */
@media (max-width:900px){
  .ds-scene .ds-wrap,.ds-scene.alt .ds-wrap{grid-template-columns:1fr;gap:28px}
  .ds-scene.alt .sc-copy{order:0}
  .ds-scene .sc-lead{max-width:none}
  .ds-steps .row{grid-template-columns:1fr;gap:18px}
  .ds-steps .row::before{display:none}
  .ds-foot .top{grid-template-columns:1fr 1fr;gap:28px}
  .ds-foot .fbrand{grid-column:1 / -1}
}
@media (max-width:560px){
  .ds-scene{padding:48px 0}
  .ds-cta-end{padding:80px 0 70px}
  .ds-foot .top{grid-template-columns:1fr}
  .ds-foot .bottom{flex-direction:column;align-items:flex-start}
}