/* =============================================================================
 *  styles.css —— biubiu加速器 × Apex 专属福利专区 · PC 端活动页（v4）
 *  视觉语言：满幅 KV + 顶部操作条 + 窄内容列 + 横向策略卡 + 冰晶蓝/金色体系
 * ========================================================================== */

:root{
  --bg:#03080f;
  --panel:#071a2c;
  --ice:#3fa9ff;
  --ice-2:#8ad9ff;
  --gold:#ffc93c;
  --gold-2:#e39b12;
  --gold-ink:#4a2c00;
  --cyan:#00e5f5;
  --text:#e3edf5;
  --muted:#8fa3b5;
  --faint:#64788a;
  --line:rgba(120,190,235,.16);
  --line-2:rgba(120,190,235,.3);
  --ok:#4ade80;
  --dead:#8b93a3;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --display:"Archivo Black","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  --col:860px;
  --cut:26px;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:14px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3{margin:0;line-height:1.3}
p{margin:0 0 8px}
a{color:inherit}
button{font-family:inherit}
code{font-family:var(--mono)}
b{font-weight:700}
img{display:block;max-width:100%}

/* ------------------------------------------------------------------ 背景层 */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 55% at 50% 0%,rgba(3,8,15,0) 30%,rgba(3,8,15,.9) 85%);
}
.bg__glow{position:absolute;border-radius:50%;filter:blur(100px)}
.bg__glow--a{width:520px;height:520px;top:-160px;left:-160px;background:rgba(20,90,160,.20);animation:drift 22s ease-in-out infinite}
.bg__glow--b{width:520px;height:520px;top:520px;right:-200px;background:rgba(0,160,220,.13);animation:drift 26s ease-in-out infinite reverse}
.bg__stars{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.bg__stars circle{animation:twinkle 4s ease-in-out infinite}
.bg__stars circle:nth-child(2n){animation-delay:1.4s}
.bg__stars circle:nth-child(3n){animation-delay:2.6s}
@keyframes drift{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(26px,-22px,0)}}
@keyframes twinkle{0%,100%{opacity:.12}50%{opacity:.65}}

/* ------------------------------------------------------------------ 主视觉 */
.hero{position:relative;z-index:1}
.hero__band{
  position:relative;width:100%;
  aspect-ratio:1920/419;
  max-height:460px;
  overflow:hidden;
  background:#03080f;
}
.hero__keyart{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero__scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,8,15,.5) 0%,rgba(3,8,15,0) 20%,rgba(3,8,15,0) 46%,rgba(3,8,15,.72) 82%,rgba(3,8,15,.97) 100%);
}
.hero__lockup{
  position:absolute;left:34px;top:26px;display:flex;align-items:center;gap:9px;z-index:2;
}
.hero__lockup img{height:17px;width:auto}
.hero__lockup-suffix{font-size:13px;color:#dceaf4;letter-spacing:.02em}
.hero__lockup-x{color:var(--faint);font-size:13px;margin:0 2px}
.hero__lockup-brand{
  font-family:var(--display);font-size:14px;letter-spacing:.02em;color:#eef6fb;
  text-shadow:0 2px 10px rgba(0,0,0,.7);
}
.hero__lockup-brand--g{color:#bcdcf0}
.hero__lockup-bar{width:1px;height:14px;background:rgba(255,255,255,.4)}
.hero__legal{
  position:absolute;right:34px;bottom:22px;z-index:2;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:rgba(220,235,245,.62);
}

/* -------------------------------------------------------------- 主标题区 */
.hero__titlestrip{
  position:relative;z-index:2;
  max-width:var(--col);margin:-46px auto 0;padding:0 0 4px;text-align:center;
}
.hero__title{
  display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;
  font-size:clamp(38px,4.8vw,58px);
}
.hero__title-brand{display:inline-flex;align-items:center}
.hero__title-brand img{
  height:clamp(38px,4.6vw,56px);width:auto;
  filter:drop-shadow(0 0 22px rgba(0,229,245,.45)) drop-shadow(0 4px 12px rgba(0,0,0,.6));
}
.hero__title-x{
  font-family:var(--display);font-size:clamp(20px,2.4vw,28px);color:#6f8496;
  text-shadow:0 2px 10px rgba(0,0,0,.8);
}
.hero__title-main{
  position:relative;display:inline-flex;align-items:baseline;gap:10px;padding-bottom:14px;
}
.hero__title-apex{
  font-family:var(--display);letter-spacing:-.01em;
  background:linear-gradient(115deg,#a8ecff 0%,#35b4ff 52%,#0b6fb8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 22px rgba(40,170,255,.45));
}
.hero__title-cn{
  font-weight:900;letter-spacing:.03em;color:#f2f9ff;
  text-shadow:0 4px 26px rgba(0,0,0,.75),0 0 40px rgba(70,170,255,.25);
}
.hero__title-main::after{
  content:"";position:absolute;left:-4px;right:-4px;bottom:0;height:5px;
  background:linear-gradient(90deg,#ff7a2f,#ffc93c 55%,rgba(255,201,60,0));
  clip-path:polygon(0 0,100% 0,calc(100% - 10px) 100%,0 100%);
}
.hero__subtitle{
  margin:12px 0 0;font-size:17px;color:#cfe3f2;letter-spacing:.06em;
  text-shadow:0 2px 14px rgba(0,0,0,.8);
}
.hero__subtitle b{
  background:linear-gradient(100deg,#ffd98a,#ff9a4d);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:900;letter-spacing:.1em;
}

/* -------------------------------------------------------------- 顶部操作条 */
.userbar{
  position:relative;z-index:1;margin-top:22px;
  border-top:1px solid rgba(120,190,235,.08);
  border-bottom:1px solid rgba(120,190,235,.08);
  background:rgba(6,19,35,.55);
}
.userbar__inner{
  max-width:var(--col);margin:0 auto;padding:9px 0;
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.userbar__sep{width:1px;height:12px;background:rgba(140,190,220,.28)}
.userbar__btn{
  background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:2px 2px;
  transition:color .2s;letter-spacing:.02em;
}
.userbar__btn:hover{color:var(--ice-2)}
.userbar__btn--login{color:#d9e9f5;font-weight:700}
.userbar__btn--login:hover{color:var(--cyan)}
.userbar__btn--id{
  font-family:var(--mono);color:var(--cyan);font-weight:700;
  border:1px solid rgba(0,229,245,.32);background:rgba(0,229,245,.07);border-radius:999px;padding:2px 12px;
}
.userbar__btn--id:hover{background:rgba(0,229,245,.16)}

/* ------------------------------------------------------------------ 内容列 */
.content{position:relative;z-index:1;max-width:var(--col);margin:0 auto;padding:32px 0 60px}
.block{margin-bottom:38px}

/* -------------------------------------------------------------- 剑题标题 */
.sec-title{position:relative;display:flex;justify-content:center;margin-bottom:18px}
.sec-title span{
  display:inline-block;padding:9px 34px;
  font-size:22px;font-weight:900;letter-spacing:.08em;color:#eaf6ff;
  background:linear-gradient(180deg,rgba(38,110,170,.92),rgba(12,44,76,.92));
  border:1px solid rgba(120,205,255,.45);
  box-shadow:0 0 22px -4px rgba(70,170,255,.55),inset 0 1px 0 rgba(190,235,255,.28);
  clip-path:polygon(16px 0,calc(100% - 16px) 0,calc(100% - 6px) 50%,calc(100% - 16px) 100%,16px 100%,6px 50%);
  text-shadow:0 2px 12px rgba(0,0,0,.6);
}
.sec-title::before,.sec-title::after{
  content:"";position:absolute;top:50%;width:120px;height:2px;
  background:linear-gradient(90deg,rgba(120,205,255,0),rgba(120,205,255,.55));
}
.sec-title::before{right:calc(50% + 150px);transform:translateY(-50%)}
.sec-title::after{left:calc(50% + 150px);transform:translateY(-50%) rotate(180deg)}

/* -------------------------------------------------------------- 策略卡 */
.strategy{
  position:relative;
  display:grid;grid-template-columns:1fr 268px;gap:0 26px;
  padding:62px 24px 22px;
  background:linear-gradient(180deg,rgba(9,34,58,.85),rgba(3,12,22,.92));
  border:1px solid rgba(90,185,255,.42);
  box-shadow:0 0 60px -18px rgba(60,160,255,.65),inset 0 0 70px -30px rgba(80,190,255,.55);
  clip-path:polygon(var(--cut) 0,calc(100% - var(--cut)) 0,100% var(--cut),100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,var(--cut) 100%,0 calc(100% - var(--cut)),0 var(--cut));
}
.strategy::before{
  content:"";position:absolute;inset:7px;pointer-events:none;
  border:1px solid rgba(120,205,255,.18);
  clip-path:polygon(18px 0,calc(100% - 18px) 0,100% 18px,100% calc(100% - 18px),calc(100% - 18px) 100%,18px 100%,0 calc(100% - 18px),0 18px);
}

/* 右上角库存占比 */
.stock{
  position:absolute;top:18px;right:26px;display:flex;align-items:center;gap:12px;
  font-size:12.5px;color:var(--muted);
}
.stock__label{letter-spacing:.06em}
.stock__num{font-family:var(--mono);font-size:13px;color:#dceaf5}
.stock__num b{color:var(--gold);font-size:16px}
.stock__num i{opacity:.5;font-style:normal;margin:0 2px}
.stock__bar{
  width:132px;height:6px;border-radius:999px;background:rgba(0,0,0,.5);
  border:1px solid rgba(120,190,235,.22);overflow:hidden;
}
.stock__bar i{display:block;height:100%;background:linear-gradient(90deg,#ff7a2f,#ffc93c);border-radius:999px;transition:width .4s}

.strategy__slots{
  grid-column:1;grid-row:1;
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
}
.slot{
  position:relative;text-align:center;
  padding:12px 12px 13px;
  background:linear-gradient(180deg,rgba(13,48,82,.72),rgba(4,16,30,.86));
  border:1px solid rgba(120,200,255,.26);
  box-shadow:inset 0 0 30px -16px rgba(90,190,255,.8);
  clip-path:polygon(14px 0,calc(100% - 14px) 0,100% 14px,100% calc(100% - 14px),calc(100% - 14px) 100%,14px 100%,0 calc(100% - 14px),0 14px);
  transition:transform .2s,border-color .2s;
}
.slot:hover{transform:translateY(-2px);border-color:rgba(150,220,255,.5)}
.slot--now{border-color:rgba(255,201,60,.42);box-shadow:inset 0 0 34px -16px rgba(255,190,60,.85)}
.slot__art{
  width:100%;aspect-ratio:1/1;overflow:hidden;margin-bottom:10px;
  border:1px solid rgba(120,200,255,.22);background:#03101d;
  display:grid;place-items:center;
}
.slot__art img{width:100%;height:100%;object-fit:cover}
.slot__art--wide{
  background:radial-gradient(circle at 50% 45%,rgba(255,190,90,.14),rgba(3,16,29,.85) 72%);
  border-color:rgba(255,201,60,.28);padding:10px;
}
.slot__art--wide img{object-fit:contain}
.slot__name{font-size:15px;font-weight:700;color:#e6f2fb;line-height:1.45}
.slot__en{font-size:12px;color:var(--muted);font-weight:400}
.slot__state{
  display:inline-block;margin-top:9px;font-size:11.5px;padding:3px 10px;border-radius:999px;
  border:1px solid rgba(140,200,235,.28);color:var(--muted);background:rgba(255,255,255,.03);
}
.slot__state--now{background:rgba(255,201,60,.16);border-color:rgba(255,201,60,.45);color:var(--gold)}
.slot__state--ok{background:rgba(74,222,128,.14);border-color:rgba(74,222,128,.42);color:var(--ok)}
.slot__state--wait{background:rgba(63,169,255,.16);border-color:rgba(63,169,255,.42);color:var(--ice-2)}
.slot__state--dead{background:rgba(139,147,163,.16);border-color:rgba(139,147,163,.4);color:var(--dead)}

/* 右侧立即领取 */
.strategy__action{grid-column:2;grid-row:1;align-self:end;padding-bottom:4px}
.strategy__note{margin:12px 0 0;font-size:12px;color:var(--faint);text-align:center}

/* ------------------------------------------------------------------ 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-size:16px;font-weight:900;letter-spacing:.05em;
  padding:13px 30px;
  transition:transform .16s,filter .2s,opacity .2s;
}
.btn:active{transform:scale(.985)}
.btn--block{width:100%}
.btn__chev{font-family:var(--display);font-size:13px;opacity:.85}
.btn--gold{
  color:var(--gold-ink);
  background:linear-gradient(180deg,#ffe28f 0%,#ffc140 38%,#e79c11 72%,#b9790a 100%);
  box-shadow:0 8px 26px -10px rgba(255,190,60,.85),inset 0 1px 0 rgba(255,246,214,.7);
  clip-path:polygon(20px 0,calc(100% - 20px) 0,100% 50%,calc(100% - 20px) 100%,20px 100%,0 50%);
  text-shadow:0 1px 0 rgba(255,240,200,.5);
}
.btn--gold:hover:not(:disabled){filter:brightness(1.08)}
.btn--gold:disabled{
  background:rgba(255,255,255,.08);color:var(--faint);box-shadow:none;cursor:not-allowed;text-shadow:none;
}
.btn--ice{
  color:#04202c;background:linear-gradient(180deg,#7fd9ff,#22a8e8 60%,#0d76b4);
  box-shadow:0 8px 26px -12px rgba(60,170,255,.9);
  clip-path:polygon(20px 0,calc(100% - 20px) 0,100% 50%,calc(100% - 20px) 100%,20px 100%,0 50%);
}

/* ------------------------------------------------------------------ 弹窗 */
.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center}
.modal__mask{position:absolute;inset:0;background:rgba(2,6,12,.82);backdrop-filter:blur(4px);animation:fade .2s ease}
.modal__box{
  position:relative;width:min(460px,calc(100vw - 40px));
  background:linear-gradient(180deg,#0b2036,#04101d);
  border:1px solid rgba(120,200,255,.32);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 40px -20px rgba(60,160,255,.7);
  padding:26px 28px;
  clip-path:polygon(20px 0,calc(100% - 20px) 0,100% 20px,100% calc(100% - 20px),calc(100% - 20px) 100%,20px 100%,0 calc(100% - 20px),0 20px);
  animation:pop .24s cubic-bezier(.22,.8,.3,1);
  max-height:86vh;overflow-y:auto;
}
.modal__box--wide{width:min(560px,calc(100vw - 40px))}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{transform:translateY(14px) scale(.97);opacity:.4}to{transform:none;opacity:1}}
.modal__x{
  position:absolute;top:14px;right:14px;background:rgba(255,255,255,.05);border:1px solid rgba(120,190,235,.2);
  color:var(--muted);width:30px;height:30px;border-radius:8px;display:grid;place-items:center;cursor:pointer;
}
.modal__x:hover{color:var(--text)}
.modal__title{font-size:19px;font-weight:900;margin-bottom:6px;padding-right:36px}
.modal__lead{font-size:12.5px;color:var(--muted);margin-bottom:18px}

.form{display:grid;gap:13px}
.field{display:grid;gap:6px}
.field__label{font-size:12px;color:var(--muted)}
.field input{
  width:100%;background:rgba(0,0,0,.4);border:1px solid rgba(120,190,235,.24);color:var(--text);
  border-radius:8px;padding:11px 13px;font-size:14px;font-family:inherit;outline:none;
  transition:border-color .2s;
}
.field input:focus{border-color:rgba(63,169,255,.7)}
.form__err{font-size:12.5px;color:#ff8a8a;margin:0}
.form__quick{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(120,190,235,.14);
  font-size:11.5px;color:var(--faint);display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.form__quick button{
  background:rgba(63,169,255,.08);border:1px solid rgba(120,190,235,.24);color:var(--muted);
  border-radius:999px;padding:3px 10px;font-size:11.5px;cursor:pointer;transition:all .18s;
}
.form__quick button:hover{color:var(--ice-2);border-color:rgba(63,169,255,.5)}

/* ---------------------------------------------------------- 结果弹窗内容 */
.result__ok{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 40% 30%,rgba(80,190,255,.4),rgba(6,24,42,.9) 70%);
  border:1px solid rgba(120,200,255,.5);color:#bfe4ff;margin-bottom:12px;
  box-shadow:0 0 24px -8px rgba(80,190,255,.9);
}
.result__ok--muted{background:rgba(255,255,255,.05);border-color:rgba(120,190,235,.24);color:var(--muted);box-shadow:none}
.result__body{margin-bottom:20px}
.result__row{display:flex;gap:14px;padding:11px 0;border-bottom:1px solid rgba(120,190,235,.12)}
.result__row:last-of-type{border-bottom:none}
.result__rowk{flex:none;width:58px;font-size:11.5px;color:var(--faint);padding-top:3px}
.result__rowv b{display:block;font-size:14px;color:#eaf4fb}
.result__rowv span{font-size:12px;color:var(--muted)}
.result__row--ok .result__rowk{color:var(--gold)}
.result__notice{
  margin:16px 0 0;padding:13px 15px;font-size:12.8px;color:#cfe3f2;line-height:1.75;
  background:rgba(255,201,60,.08);border:1px solid rgba(255,201,60,.28);
  border-left:3px solid var(--gold);
}
.result__notice b{color:var(--gold)}
.result__meta{margin:10px 0 0;font-size:11.5px;color:var(--faint);font-family:var(--mono)}

/* ------------------------------------------------------------ 我的奖品 */
.myprize{display:grid;gap:12px}
.myprize__state{
  display:flex;align-items:center;gap:12px;
  border:1px solid rgba(120,190,235,.2);background:rgba(5,18,32,.6);
  padding:14px 16px;border-radius:10px;
}
.myprize__badge{
  flex:none;font-size:11.5px;padding:3px 10px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(140,200,235,.28);color:var(--muted);background:rgba(255,255,255,.03);
}
.myprize__badge--live{background:var(--ice);border-color:transparent;color:#03202c;font-weight:700}
.myprize__badge--wait{background:rgba(63,169,255,.16);border-color:rgba(63,169,255,.42);color:var(--ice-2)}
.myprize__badge--ok{background:rgba(74,222,128,.14);border-color:rgba(74,222,128,.42);color:var(--ok)}
.myprize__badge--dead{background:rgba(139,147,163,.16);border-color:rgba(139,147,163,.4);color:var(--dead)}
.myprize__desc{font-size:13px;color:var(--muted);line-height:1.6}
.myprize__list{display:grid;gap:8px}
.myprize__item{
  display:flex;align-items:center;gap:12px;
  border:1px solid rgba(120,190,235,.16);background:rgba(5,18,32,.45);
  padding:11px 14px;border-radius:10px;
}
.myprize__thumb{width:64px;height:44px;flex:none;border-radius:7px;overflow:hidden;border:1px solid rgba(120,190,235,.2);background:#03101d}
.myprize__thumb img{width:100%;height:100%;object-fit:cover}
.myprize__thumb--wide img{object-fit:contain;padding:4px}
.myprize__name{flex:1;min-width:0;font-size:13.5px;color:#e6f2fb}
.myprize__name span{display:block;font-size:11.5px;color:var(--faint)}
.myprize__tag{font-size:11.5px;color:var(--muted);white-space:nowrap}
.myprize__tag--ok{color:var(--ok)}
.myprize__tag--wait{color:var(--ice-2)}
.myprize__meta{font-size:11.5px;color:var(--faint);font-family:var(--mono);margin-top:2px}

.countdown{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  border:1px solid rgba(120,190,235,.18);background:rgba(0,0,0,.25);
  padding:11px 14px;border-radius:10px;
}
.countdown__label{font-size:12.5px;color:var(--ice-2);font-weight:700}
.countdown__digits{display:flex;gap:6px}
.cd{
  min-width:46px;background:rgba(0,0,0,.42);border:1px solid rgba(120,190,235,.22);border-radius:8px;
  padding:5px 6px;text-align:center;
}
.cd__num{display:block;font-family:var(--mono);font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;color:#e9f6ff}
.cd__unit{font-size:10px;color:var(--faint)}

.codes{margin-top:4px}
.codes__head{font-size:12.5px;color:var(--muted);margin-bottom:8px}
.codes__list{display:grid;gap:8px}
.code{
  display:flex;align-items:center;gap:12px;
  border:1px solid rgba(120,200,255,.32);background:rgba(63,169,255,.07);
  border-radius:8px;padding:11px 14px;
}
.code__no{font-size:11.5px;color:var(--faint);flex:none}
.code__val{flex:1;min-width:0;font-family:var(--mono);font-size:13px;color:var(--ice-2);word-break:break-all}
.code__copy{
  flex:none;background:rgba(63,169,255,.16);border:1px solid rgba(63,169,255,.42);color:var(--ice-2);
  border-radius:6px;padding:6px 14px;font-size:12.5px;font-weight:700;cursor:pointer;transition:background .2s;
}
.code__copy:hover{background:rgba(63,169,255,.3)}
.codes__tip{font-size:11.5px;color:var(--faint);margin:9px 0 0}
.deadline{
  display:flex;align-items:flex-start;gap:8px;font-size:11.5px;color:var(--faint);
  border-top:1px solid rgba(120,190,235,.14);padding-top:12px;
}
.deadline svg{margin-top:2px;flex:none}
.deadline b{color:var(--muted);font-family:var(--mono);font-weight:500}

/* ------------------------------------------------------------------ 规则 */
.rules{
  border:1px solid rgba(120,190,235,.14);
  background:linear-gradient(180deg,rgba(8,28,48,.62),rgba(4,14,26,.7));
  padding:18px 22px;
  font-size:12.8px;color:var(--muted);line-height:1.9;
}
.rules p{margin:0 0 6px}
.rules b{color:var(--gold);font-family:var(--mono);margin-right:2px}
.rules b:not(:first-child){color:var(--ice-2);font-family:inherit;margin-left:0}

/* ------------------------------------------------------------------ 底部 */
.footer{
  margin-top:34px;padding-top:18px;text-align:center;
  border-top:1px solid rgba(120,190,235,.1);
  font-size:11.5px;color:#5d7080;line-height:1.9;
}
.footer p{margin:0}

/* ------------------------------------------------------------------ Toast */
.toast{
  position:fixed;left:50%;bottom:44px;transform:translate(-50%,14px);
  background:rgba(8,26,44,.97);border:1px solid rgba(120,190,235,.3);color:var(--text);
  padding:11px 20px;border-radius:8px;font-size:13px;max-width:80vw;text-align:center;
  opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;z-index:80;
  box-shadow:0 16px 40px -16px rgba(0,0,0,.9);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* -------------------------------------------------------------- 演示控制台 */
.dev{position:fixed;right:16px;bottom:16px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.dev__toggle{
  display:inline-flex;align-items:center;gap:5px;
  background:rgba(63,169,255,.14);border:1px solid rgba(63,169,255,.42);color:var(--ice-2);
  border-radius:999px;padding:6px 13px;font-size:12px;font-weight:700;cursor:pointer;
}
.dev__toggle:hover{background:rgba(63,169,255,.26)}
.dev__panel{
  width:320px;background:rgba(7,22,38,.98);border:1px solid rgba(120,190,235,.26);
  border-radius:10px;padding:14px;box-shadow:0 20px 50px -20px rgba(0,0,0,.95);
}
.dev__hint{font-size:11px;color:var(--faint);margin-bottom:12px;line-height:1.6}
.dev__group{margin-bottom:12px}
.dev__label{display:block;font-size:11px;color:var(--muted);margin-bottom:6px}
.dev__opts{display:flex;flex-wrap:wrap;gap:6px}
.dev__opts button{
  background:rgba(63,169,255,.07);border:1px solid rgba(120,190,235,.22);color:var(--muted);
  border-radius:6px;padding:4px 10px;font-size:11.5px;cursor:pointer;transition:all .18s;
}
.dev__opts button:hover{color:var(--text)}
.dev__opts button.is-on{background:var(--ice);border-color:transparent;color:#03202c;font-weight:700}
.dev__check{
  margin:0 0 10px;font-size:11px;line-height:1.6;color:var(--ok);
  background:rgba(74,222,128,.08);border:1px solid rgba(74,222,128,.28);border-radius:8px;padding:9px 11px;
}
.dev__check:empty{display:none}
.dev__json{
  margin:0;background:rgba(0,0,0,.45);border:1px solid rgba(120,190,235,.16);border-radius:8px;
  padding:10px;font-family:var(--mono);font-size:10.5px;color:#a8b3c2;
  max-height:200px;overflow:auto;white-space:pre-wrap;word-break:break-all;
}

/* ------------------------------------------------------------------ 适配 */
@media (max-width:900px){
  :root{--col:100%;--cut:18px}
  .content{padding:24px 16px 50px}
  .hero__titlestrip{margin-top:-30px;padding:0 16px 4px}
  .hero__title{gap:10px}
  .hero__subtitle{font-size:14px;margin-top:10px}
  .hero__lockup{left:16px;top:16px;gap:7px}
  .hero__lockup-brand{font-size:12px}
  .hero__legal{right:16px;bottom:14px;font-size:10px}
  .sec-title span{font-size:18px;padding:8px 24px}
  .sec-title::before,.sec-title::after{display:none}
  .strategy{grid-template-columns:1fr;padding:70px 14px 18px;gap:16px}
  .stock{top:16px;right:16px;left:16px;justify-content:flex-end;flex-wrap:wrap}
  .strategy__slots{grid-template-columns:1fr}
  .slot{display:flex;align-items:center;gap:14px;text-align:left;padding:12px}
  .slot__art{width:110px;flex:none;aspect-ratio:1/1;margin-bottom:0}
  .slot__name{font-size:14px}
  .slot__state{margin-top:6px}
  .strategy__action{align-self:auto}
  .rules{padding:16px 18px;font-size:12.5px}
}
@media (max-width:520px){
  .stock__bar{width:90px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}