/* ==========================================================================
   秒批 V3 · Design System
   紫罗兰 / 深空蓝双主题，圆角卡片 + 柔和投影 + 微交互动效
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  /* 品牌主色（可被分站配置覆盖：--brand / --brand-2 / --brand-deep） */
  --brand:#7C5CFC;
  --brand-2:#9B7BFF;
  --brand-deep:#5B3AE0;
  --brand-soft:#EFEAFF;
  --brand-glow:rgba(124,92,252,.35);

  /* 深空（登录页 / 首页 Hero / VIP 卡） */
  --ink:#0E1220;
  --ink-2:#161C31;
  --ink-3:#1F2740;

  /* 中性 */
  --bg:#F5F4FA;
  --bg-2:#FFFFFF;
  --surface:#FFFFFF;
  --surface-2:#F9F8FD;
  --line:#EDEBF5;
  --line-2:#E3E0EF;

  --t1:#141828;
  --t2:#6A6F88;
  --t3:#9BA0B6;
  --t4:#C4C8D8;

  /* 语义色 */
  --ok:#12B981;
  --ok-soft:#E6F8F1;
  --warn:#F5A524;
  --warn-soft:#FFF5E3;
  --danger:#F04438;
  --danger-soft:#FEECEA;
  --gold:#E3BE72;
  --gold-2:#C9A24B;

  /* 圆角 */
  --r-xs:8px;  --r-sm:12px; --r-md:16px; --r-lg:20px; --r-xl:26px; --r-full:999px;

  /* 投影 */
  --sh-1:0 1px 2px rgba(20,24,40,.04), 0 4px 12px rgba(20,24,40,.04);
  --sh-2:0 2px 6px rgba(20,24,40,.05), 0 12px 32px rgba(20,24,40,.07);
  --sh-3:0 8px 20px rgba(20,24,40,.08), 0 24px 60px rgba(20,24,40,.12);
  --sh-brand:0 10px 26px rgba(124,92,252,.32);
  --sh-gold:0 12px 30px rgba(201,162,75,.28);

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --spring:cubic-bezier(.34,1.56,.64,1);

  --tab-h:64px;
  --page-max:430px;
}

/* ---------- 2. Reset / Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","MiSans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--t1);
  font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
button,input,select,textarea{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--brand-soft);color:var(--brand-deep)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 3. App shell ---------- */
.app{
  position:relative;
  width:100%;max-width:var(--page-max);
  margin:0 auto;
  min-height:100vh;min-height:100dvh;
  background:var(--bg);
  overflow-x:hidden;
  display:flex;flex-direction:column;
}
@media (min-width:520px){
  body{background:
    radial-gradient(1200px 700px at 15% -10%,#E9E4FF 0%,transparent 55%),
    radial-gradient(900px 600px at 110% 20%,#E5F0FF 0%,transparent 50%),
    #EFF0F6;
    display:flex;justify-content:center;
  }
  .app{
    min-height:100vh;
    box-shadow:0 30px 90px rgba(24,20,60,.16);
    border-left:1px solid rgba(255,255,255,.7);
    border-right:1px solid rgba(255,255,255,.7);
  }
}
.scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(var(--tab-h) + 18px)}
.scroll.no-tab{padding-bottom:24px}
.safe-b{padding-bottom:env(safe-area-inset-bottom)}

/* ---------- 4. Status bar / Navbar ---------- */
.navbar{
  position:sticky;top:0;z-index:40;
  height:52px;display:flex;align-items:center;gap:6px;
  padding:0 10px;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid rgba(20,24,40,.05);
}
.navbar.solid{background:var(--surface)}
.navbar__back{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  color:var(--t1);transition:background .18s var(--ease),transform .18s var(--ease);
}
.navbar__back:active{background:var(--surface-2);transform:scale(.92)}
.navbar__title{
  flex:1;text-align:center;font-size:16px;font-weight:600;letter-spacing:.2px;
  margin-right:36px;
}
.navbar__action{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;color:var(--t2)}
.navbar.dark{background:linear-gradient(180deg,rgba(14,18,32,.0),rgba(14,18,32,0));border:0;color:#fff}
.navbar.dark .navbar__title,.navbar.dark .navbar__back,.navbar.dark .navbar__action{color:#fff}

/* ---------- 5. Cards ---------- */
.card{
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  border:1px solid rgba(20,24,40,.035);
}
.card--flat{box-shadow:none;border:1px solid var(--line)}
.card--pad{padding:18px}

.section{padding:0 16px;margin-top:16px}
.section__head{
  display:flex;align-items:center;justify-content:space-between;
  margin:0 2px 10px;
}
.section__title{font-size:15px;font-weight:600;letter-spacing:.2px}
.section__more{font-size:12.5px;color:var(--t3);display:flex;align-items:center;gap:2px}

/* ---------- 6. Buttons ---------- */
.btn{
  position:relative;overflow:hidden;
  height:50px;border-radius:16px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;letter-spacing:.4px;
  transition:transform .16s var(--ease),box-shadow .2s var(--ease),opacity .2s;
  user-select:none;
}
.btn:active{transform:scale(.975)}
.btn--block{display:flex;width:100%}
.btn--primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand-2) 0%,var(--brand) 45%,var(--brand-deep) 100%);
  box-shadow:var(--sh-brand);
}
.btn--primary::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.28) 45%,transparent 62%);
  transform:translateX(-120%);
  animation:sheen 4.6s var(--ease) infinite;
}
@keyframes sheen{0%,55%{transform:translateX(-120%)}80%,100%{transform:translateX(120%)}}
.btn--ghost{background:var(--brand-soft);color:var(--brand-deep)}
.btn--outline{background:#fff;color:var(--t1);border:1px solid var(--line-2)}
.btn--gold{
  color:#3A2A08;background:linear-gradient(135deg,#F3DFA9,#E3BE72 40%,#C9A24B);
  box-shadow:var(--sh-gold);
}
.btn--danger{background:var(--danger-soft);color:var(--danger)}
.btn--sm{height:40px;border-radius:12px;font-size:14px;padding:0 16px}
.btn[disabled]{opacity:.45;pointer-events:none;box-shadow:none}
.ripple{
  position:absolute;border-radius:50%;transform:scale(0);pointer-events:none;
  background:rgba(255,255,255,.5);animation:ripple .6s var(--ease-out) forwards;
}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}

/* ---------- 7. Chips / tags ---------- */
.chip{
  display:inline-flex;align-items:center;gap:4px;
  height:24px;padding:0 9px;border-radius:var(--r-full);
  font-size:11.5px;font-weight:600;letter-spacing:.2px;
  background:var(--brand-soft);color:var(--brand-deep);
}
.chip--ok{background:var(--ok-soft);color:#0B8F65}
.chip--warn{background:var(--warn-soft);color:#B76E00}
.chip--danger{background:var(--danger-soft);color:var(--danger)}
.chip--muted{background:#F1F0F7;color:var(--t3)}
.chip--gold{background:rgba(227,190,114,.16);color:#A47B22}

/* ---------- 8. Form ---------- */
.field{margin-bottom:14px}
.field__label{font-size:13px;font-weight:600;color:var(--t2);margin:0 0 8px 2px;display:block}
.input{
  width:100%;height:52px;padding:0 16px;
  border-radius:16px;border:1px solid var(--line-2);background:var(--surface-2);
  font-size:16px;color:var(--t1);
  transition:border-color .18s,background .18s,box-shadow .18s;
  outline:none;
}
.input::placeholder{color:var(--t4)}
.input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(124,92,252,.12)}
.input-row{display:flex;gap:10px}
.input-row .input{flex:1}
.code-btn{
  flex:0 0 auto;height:52px;padding:0 14px;border-radius:16px;
  font-size:14px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);
  white-space:nowrap;
}
.code-btn[disabled]{color:var(--t3);background:#F1F0F7}

/* 勾选 */
.check{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:var(--t2);line-height:1.55}
.check input{position:absolute;opacity:0;width:0;height:0}
.check__box{
  flex:0 0 auto;width:18px;height:18px;margin-top:1px;border-radius:6px;
  border:1.5px solid var(--line-2);background:#fff;display:grid;place-items:center;
  transition:all .18s var(--ease);
}
.check__box svg{opacity:0;transform:scale(.5);transition:all .2s var(--spring)}
.check input:checked + .check__box{background:var(--brand);border-color:var(--brand)}
.check input:checked + .check__box svg{opacity:1;transform:scale(1)}
.check em{font-style:normal;color:var(--brand-deep);font-weight:600}

/* 开关 */
.switch{width:46px;height:28px;border-radius:999px;background:#E3E0EF;position:relative;transition:background .22s var(--ease);flex:0 0 auto}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.18);transition:transform .26s var(--spring)}
.switch.on{background:var(--brand)}
.switch.on::after{transform:translateX(18px)}

/* ---------- 9. Tabbar ---------- */
.tabbar{
  position:fixed;left:50%;transform:translateX(-50%);
  bottom:0;width:100%;max-width:var(--page-max);z-index:50;
  height:calc(var(--tab-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-top:1px solid rgba(20,24,40,.06);
}
.tabbar__item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--t3);font-size:10.5px;font-weight:500;letter-spacing:.2px;
  transition:color .18s var(--ease);
}
.tabbar__item svg{width:22px;height:22px;transition:transform .28s var(--spring)}
.tabbar__item.active{color:var(--brand-deep);font-weight:600}
.tabbar__item.active svg{transform:translateY(-2px) scale(1.06)}
.tabbar__item:active svg{transform:scale(.9)}

/* ---------- 10. Toast / Sheet / Modal ---------- */
.toast-wrap{position:fixed;left:0;right:0;top:0;display:flex;justify-content:center;z-index:200;pointer-events:none}
.toast{
  margin-top:14px;padding:11px 18px;border-radius:14px;
  background:rgba(20,24,40,.9);color:#fff;font-size:13.5px;font-weight:500;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  animation:toastIn .32s var(--spring) both;
  max-width:min(86vw,340px);text-align:center;
}
.toast--ok{background:rgba(18,185,129,.94)}
.toast--err{background:rgba(240,68,56,.94)}
@keyframes toastIn{from{opacity:0;transform:translateY(-14px) scale(.94)}to{opacity:1;transform:none}}

.sheet-mask{
  position:fixed;inset:0;background:rgba(12,14,24,.42);z-index:150;
  opacity:0;transition:opacity .26s var(--ease);backdrop-filter:blur(2px);
}
.sheet-mask.show{opacity:1}
.sheet{
  position:fixed;left:50%;bottom:0;transform:translate(-50%,100%);
  width:100%;max-width:var(--page-max);z-index:160;
  background:#fff;border-radius:24px 24px 0 0;
  padding:8px 20px calc(20px + env(safe-area-inset-bottom));
  transition:transform .34s var(--ease-out);
  max-height:82vh;overflow-y:auto;
}
.sheet.show{transform:translate(-50%,0)}
.sheet__grip{width:38px;height:4px;border-radius:99px;background:var(--line-2);margin:6px auto 14px}
.sheet__title{font-size:17px;font-weight:700;text-align:center;margin-bottom:6px}
.sheet__desc{font-size:13px;color:var(--t2);text-align:center;margin-bottom:18px;line-height:1.6}

.modal-mask{position:fixed;inset:0;background:rgba(12,14,24,.45);z-index:150;display:flex;align-items:center;justify-content:center;padding:28px;opacity:0;transition:opacity .24s var(--ease)}
.modal-mask.show{opacity:1}
.modal{
  width:100%;max-width:318px;background:#fff;border-radius:22px;padding:24px 20px 18px;
  transform:scale(.92);opacity:0;transition:all .3s var(--spring);
  box-shadow:0 30px 80px rgba(0,0,0,.3);
}
.modal-mask.show .modal{transform:scale(1);opacity:1}
.modal__title{font-size:17px;font-weight:700;text-align:center;margin-bottom:8px}
.modal__body{font-size:13.5px;color:var(--t2);text-align:center;line-height:1.65;margin-bottom:20px}

/* ---------- 11. Utils ---------- */
.row{display:flex;align-items:center}
.between{justify-content:space-between}
.gap6{gap:6px}.gap8{gap:8px}.gap10{gap:10px}.gap12{gap:12px}
.mt6{margin-top:6px}.mt10{margin-top:10px}.mt14{margin-top:14px}.mt18{margin-top:18px}.mt24{margin-top:24px}
.hide{display:none !important}
.muted{color:var(--t2)}
.tiny{font-size:12px}
.fw6{font-weight:600}
.center{text-align:center}
.divider{height:1px;background:var(--line);margin:14px 0}

/* 列表行 */
.list{background:var(--surface);border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(20,24,40,.035);box-shadow:var(--sh-1)}
.list__item{display:flex;align-items:center;gap:12px;padding:15px 16px;position:relative;transition:background .16s}
.list__item + .list__item::before{content:"";position:absolute;left:52px;right:0;top:0;height:1px;background:var(--line)}
.list__item:active{background:var(--surface-2)}
.list__ico{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);
}
.list__main{flex:1;min-width:0}
.list__t{font-size:14.5px;font-weight:600}
.list__s{font-size:11.5px;color:var(--t3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chev{color:var(--t4);flex:0 0 auto}

/* 骨架屏 */
.sk{background:linear-gradient(100deg,#EFEEF6 30%,#F8F7FC 50%,#EFEEF6 70%);background-size:200% 100%;animation:sk 1.3s infinite linear;border-radius:8px}
@keyframes sk{from{background-position:150% 0}to{background-position:-50% 0}}

/* 入场动效 */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.fade-up{animation:fadeUp .5s var(--ease-out) both}
.stagger>*{animation:fadeUp .5s var(--ease-out) both}
.stagger>*:nth-child(1){animation-delay:.02s}
.stagger>*:nth-child(2){animation-delay:.06s}
.stagger>*:nth-child(3){animation-delay:.1s}
.stagger>*:nth-child(4){animation-delay:.14s}
.stagger>*:nth-child(5){animation-delay:.18s}
.stagger>*:nth-child(6){animation-delay:.22s}
.stagger>*:nth-child(7){animation-delay:.26s}
.stagger>*:nth-child(8){animation-delay:.3s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-delay:0s !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0s !important;
  }
}