:root{
  color-scheme:dark;
  --bg:oklch(0.135 0.038 255);
  --bg-deep:oklch(0.105 0.032 255);
  --surface:oklch(0.19 0.046 252);
  --surface-raised:oklch(0.225 0.055 252);
  --surface-soft:oklch(0.245 0.04 245);
  --line:oklch(0.34 0.055 245);
  --line-soft:oklch(0.235 0.03 245);
  --ink:oklch(0.97 0.012 230);
  --ink-soft:oklch(0.83 0.025 232);
  --muted:oklch(0.69 0.035 235);
  --blue:oklch(0.64 0.20 250);
  --blue-deep:oklch(0.49 0.21 260);
  --cyan:oklch(0.78 0.14 205);
  --violet:oklch(0.62 0.20 292);
  --success:oklch(0.76 0.16 155);
  --warning:oklch(0.82 0.16 82);
  --danger:oklch(0.73 0.18 25);
  --sidebar:oklch(0.115 0.036 255);
  --focus:oklch(0.82 0.15 205);
  --z-sidebar:30;
  --z-toast:50;
  font-family:"Microsoft YaHei UI","PingFang SC","Segoe UI",system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
}
*{box-sizing:border-box}
html{min-width:320px;background:var(--bg-deep)}
body{margin:0;min-height:100vh;background:var(--bg);font-size:15px;line-height:1.5}
body::before{
  content:"";
  position:fixed;
  inset:0 0 auto;
  z-index:-1;
  height:520px;
  background:
    radial-gradient(circle at 18% -10%,color-mix(in oklch,var(--blue) 27%,transparent),transparent 42%),
    radial-gradient(circle at 88% 0%,color-mix(in oklch,var(--violet) 18%,transparent),transparent 38%);
  pointer-events:none;
}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:3px;
}
.hidden{display:none!important}
.skip-link{
  position:fixed;
  left:16px;
  top:-60px;
  z-index:var(--z-toast);
  padding:10px 14px;
  background:#fff;
  color:#000;
}
.skip-link:focus{top:12px}
.product-signature{
  margin:32px 0 13px;
  color:var(--cyan);
  font-size:.88rem;
  font-weight:720;
  letter-spacing:.025em;
}
.section-label{
  margin:0 0 10px;
  color:var(--cyan);
  font-size:.8rem;
  font-weight:700;
}
.page-context{
  margin:0 0 3px;
  color:var(--muted);
  font-size:.74rem;
}
.brand-logo{display:block;width:auto;max-width:100%}
.auth-brand-logo{width:208px;height:52px}
.sidebar-brand-logo{width:194px;height:auto}

/* 登录与注册 */
.auth-layout{
  position:relative;
  min-height:100vh;
  display:grid;
  grid-template-columns:minmax(400px,42%) minmax(540px,58%);
  overflow:hidden;
  background:var(--bg-deep);
}
.auth-layout::before{
  content:"";
  position:absolute;
  inset:-18% 36% auto -10%;
  height:78%;
  background:radial-gradient(circle,color-mix(in oklch,var(--blue) 22%,transparent),transparent 68%);
  pointer-events:none;
}
.auth-intro{
  position:relative;
  z-index:1;
  padding:clamp(42px,7vw,104px);
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.auth-intro h1{
  margin:0;
  max-width:12ch;
  font-size:clamp(2.7rem,4.8vw,4.5rem);
  line-height:1.06;
  letter-spacing:-.025em;
  text-wrap:balance;
}
.auth-intro>p:not(.product-signature):not(.local-note){
  max-width:58ch;
  margin:26px 0 18px;
  color:var(--ink-soft);
  line-height:1.75;
  text-wrap:pretty;
}
.capability-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.capability-chips span{
  padding:9px 13px;
  border:1px solid color-mix(in oklch,var(--blue) 36%,var(--line));
  border-radius:999px;
  background:color-mix(in oklch,var(--surface) 74%,transparent);
  color:var(--ink-soft);
  font-size:.82rem;
}
.local-note{margin-top:28px;color:var(--muted);font-size:.8rem}
.auth-main{
  position:relative;
  z-index:2;
  display:grid;
  place-items:center;
  padding:40px;
  background:linear-gradient(160deg,color-mix(in oklch,var(--surface) 94%,transparent),var(--bg-deep));
  border-left:1px solid var(--line-soft);
}
.auth-panel{
  width:min(520px,100%);
  padding:34px;
  border:1px solid var(--line);
  border-radius:18px;
  background:color-mix(in oklch,var(--surface-raised) 86%,transparent);
  box-shadow:0 26px 70px rgba(0,12,38,.4);
}
.auth-tabs{display:flex;gap:22px;border-bottom:1px solid var(--line-soft);margin-bottom:32px}
.tab{
  padding:12px 2px;
  border:0;
  border-bottom:2px solid transparent;
  background:transparent;
  color:var(--muted);
  font-weight:720;
}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--cyan);border-bottom-color:var(--cyan)}
.auth-form{display:grid;gap:18px}
.auth-form header{margin-bottom:10px}
.auth-form h2{margin:0;font-size:1.72rem;letter-spacing:-.018em}
.auth-form header p:last-child{max-width:36ch;color:var(--muted);line-height:1.6}
label{display:grid;gap:7px;color:var(--ink-soft);font-size:.875rem;font-weight:650}
input,select{
  width:100%;
  min-width:0;
  padding:11px 12px;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--bg-deep);
  color:var(--ink);
}
input::placeholder{color:color-mix(in oklch,var(--muted) 90%,#fff)}
input:hover,select:hover{border-color:color-mix(in oklch,var(--blue) 60%,var(--line))}
input:focus,select:focus{border-color:var(--cyan)}
.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.primary,.button-link.primary{
  border:1px solid color-mix(in oklch,var(--cyan) 25%,transparent);
  background:linear-gradient(92deg,var(--blue-deep),var(--blue) 66%,var(--cyan));
  color:#fff;
  font-weight:760;
}
.primary:hover,.button-link.primary:hover{filter:brightness(1.08)}
button.primary,button.secondary,.button-link{
  min-height:42px;
  padding:9px 15px;
  border-radius:9px;
}
.wide{width:100%}
.secondary{
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink-soft);
}
.secondary:hover{border-color:var(--blue);color:#fff}
.form-help{margin:0;color:var(--muted);font-size:.8rem;line-height:1.55}
.message{min-height:22px;margin-top:14px;color:var(--danger);font-size:.875rem;line-height:1.5}
.message.success{
  padding:11px 12px;
  border:1px solid color-mix(in oklch,var(--success) 35%,var(--line));
  background:color-mix(in oklch,var(--success) 9%,var(--surface));
  color:var(--success);
}

/* 主门户 */
.portal{min-height:100vh;display:grid;grid-template-columns:242px 1fr}
.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  z-index:var(--z-sidebar);
  padding:22px 14px;
  display:flex;
  flex-direction:column;
  background:var(--sidebar);
  border-right:1px solid var(--line-soft);
}
.sidebar-brand{
  display:flex;
  gap:12px;
  align-items:center;
  padding:0 8px 22px;
  border-bottom:1px solid var(--line-soft);
}
.sidebar-brand strong,.sidebar-brand span{display:block}
.sidebar-brand strong{font-size:.96rem}
.sidebar-brand span{margin-top:4px;color:var(--muted);font-size:.72rem}
.sidebar nav{display:grid;gap:4px;margin-top:18px}
.nav-item{
  position:relative;
  width:100%;
  padding:11px 12px;
  border:1px solid transparent;
  border-radius:9px;
  background:transparent;
  color:var(--ink-soft);
  text-align:left;
  display:grid;
  gap:3px;
}
.nav-item span{font-weight:680}
.nav-item small{color:var(--muted);font-size:.72rem}
.nav-item:hover{border-color:var(--line);background:color-mix(in oklch,var(--surface) 55%,transparent)}
.nav-item.active{
  border-color:color-mix(in oklch,var(--cyan) 26%,transparent);
  background:linear-gradient(92deg,color-mix(in oklch,var(--blue-deep) 85%,var(--surface)),color-mix(in oklch,var(--blue) 70%,var(--surface)));
  color:#fff;
}
.nav-item.active::after{
  content:"";
  position:absolute;
  right:11px;
  top:50%;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  transform:translateY(-50%);
}
.nav-item.active small{color:oklch(0.88 0.04 220)}
.sidebar-footer{margin-top:auto;padding:17px 10px 5px;border-top:1px solid var(--line-soft)}
.sidebar-footer p{margin:0 0 5px;color:var(--muted);font-size:.72rem}
.sidebar-footer strong{font-size:.78rem;color:var(--ink-soft)}
.portal-main{min-width:0}
.topbar{
  min-height:76px;
  padding:14px 36px;
  border-bottom:1px solid var(--line-soft);
  background:color-mix(in oklch,var(--bg) 94%,transparent);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.topbar h1{margin:0;font-size:1.16rem;letter-spacing:-.012em}
.account-summary{display:flex;align-items:center;gap:14px;text-align:right}
.account-summary strong,.account-summary small{display:block}
.account-summary small{margin-top:3px;color:var(--muted)}
.tier-badge{
  display:inline-block;
  margin-bottom:4px;
  padding:4px 8px;
  border-radius:6px;
  background:color-mix(in oklch,var(--warning) 14%,var(--surface));
  color:var(--warning);
  font-size:.68rem;
  font-weight:760;
}
.icon-button{display:none;border:0;background:transparent;color:#fff;font-size:1.35rem}
#main{max-width:1320px;margin:0 auto;padding:38px 40px 72px}
#main:focus{outline:none}
.view{display:none}
.view.active{display:block}
.section-heading{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.section-heading h2,.section-heading h3{margin:0;text-wrap:balance}
.section-heading h2{font-size:1.7rem;letter-spacing:-.018em}
.section-heading.compact{margin-bottom:16px}
.section-heading.compact h3{font-size:1.15rem}
.section-heading p:not(.section-label){max-width:62ch;margin:7px 0 0;color:var(--muted);line-height:1.65}
.dashboard-heading{align-items:flex-end}
.dashboard-heading h2{font-size:2rem}
.updated-at{font-size:.78rem;color:var(--muted)}

.priority-strip{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:25px 28px;
  border:1px solid color-mix(in oklch,var(--blue) 38%,var(--line));
  border-radius:12px;
  background:
    radial-gradient(circle at 82% 10%,color-mix(in oklch,var(--blue) 20%,transparent),transparent 44%),
    var(--surface);
}
.priority-strip>div{display:grid;grid-template-columns:auto 1fr;column-gap:12px;align-items:center;max-width:76ch}
.priority-strip strong{font-size:1.02rem}
.priority-strip p{grid-column:2;margin:7px 0 0;color:var(--ink-soft);line-height:1.65}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--muted)}
.status-dot.warning{background:var(--warning);box-shadow:0 0 0 5px color-mix(in oklch,var(--warning) 12%,transparent)}
.product-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  gap:14px;
}
.tool-choice{margin:28px 0}
.availability{display:inline-block;margin-top:auto;color:var(--muted);font-size:.82rem;font-weight:650}
.product-card{
  position:relative;
  min-height:240px;
  padding:26px;
  display:flex;
  flex-direction:column;
  border:1px solid var(--line-soft);
  border-radius:14px;
  background:linear-gradient(155deg,var(--surface-raised),var(--surface));
  overflow:hidden;
}
.product-card-primary{
  border-color:color-mix(in oklch,var(--blue) 45%,var(--line));
  background:
    radial-gradient(circle at 88% 4%,color-mix(in oklch,var(--cyan) 16%,transparent),transparent 45%),
    linear-gradient(145deg,color-mix(in oklch,var(--blue-deep) 32%,var(--surface-raised)),var(--surface));
}
.product-index{
  position:absolute;
  right:19px;
  top:14px;
  color:color-mix(in oklch,var(--cyan) 34%,transparent);
  font-size:2.8rem;
  font-weight:800;
  letter-spacing:-.06em;
}
.product-card h3{position:relative;margin:12px 0 8px;font-size:1.28rem;letter-spacing:-.015em}
.product-card>p:not(.section-label){position:relative;margin:0 0 24px;color:var(--muted);line-height:1.65}
.product-card button{position:relative;align-self:flex-start;margin-top:auto}
.summary-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:24px;
  border:1px solid var(--line-soft);
  border-radius:12px;
  background:var(--line-soft);
  overflow:hidden;
  gap:1px;
}
.summary-row article{padding:22px;background:var(--surface)}
.summary-row span,.summary-row strong,.summary-row small{display:block}
.summary-row span{color:var(--muted);font-size:.75rem}
.summary-row strong{margin:7px 0 4px;font-size:1.32rem;letter-spacing:-.015em}
.summary-row small{color:var(--muted)}
.work-section{
  margin-top:38px;
  padding:30px 0 0;
  border-top:1px solid var(--line-soft);
}
.work-section>h3{margin:0 0 16px;font-size:1.07rem}
.execution-table{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.table-row{
  display:grid;
  grid-template-columns:1.1fr .8fr 1.8fr 1.6fr;
  gap:16px;
  align-items:center;
  padding:17px 10px;
  border-bottom:1px solid var(--line-soft);
  color:var(--ink-soft);
  font-size:.875rem;
}
.table-row strong{color:var(--ink)}
.table-head{color:var(--muted);font-size:.74rem;font-weight:700}
.state{
  display:inline-flex;
  width:max-content;
  align-items:center;
  padding:4px 8px;
  border-radius:6px;
  font-size:.72rem;
  font-weight:760;
}
.state.success{color:var(--success);background:color-mix(in oklch,var(--success) 10%,var(--surface))}
.state.warning{color:var(--warning);background:color-mix(in oklch,var(--warning) 10%,var(--surface))}
.state.muted{color:var(--ink-soft);background:var(--surface-soft)}
.effect-track{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.effect-track article{
  position:relative;
  min-height:128px;
  padding:20px 18px;
  border-right:1px solid var(--line-soft);
}
.effect-track article:last-child{border-right:0}
.effect-track span{color:var(--cyan);font-weight:800}
.effect-track strong{display:block;margin:14px 0 7px;font-size:.95rem}
.effect-track p{margin:0;color:var(--muted);font-size:.78rem;line-height:1.5}
.button-link{display:inline-flex;align-items:center;text-decoration:none}
.button-link.disabled{
  cursor:not-allowed;
  opacity:.58;
  filter:saturate(.35);
  pointer-events:none;
}

.geo-flow{border-top:1px solid var(--line-soft)}
.source-guide{
  display:grid;
  grid-template-columns:minmax(250px,.9fr) minmax(360px,1.1fr);
  gap:28px;
  margin:0 0 24px;
  padding:22px 24px;
  border:1px solid var(--line);
  border-radius:12px;
  background:linear-gradient(100deg,color-mix(in oklch,var(--surface-raised) 94%,var(--blue-deep)),var(--surface));
}
.source-guide h3{margin:0;font-size:1.12rem}
.source-guide p:not(.section-label){margin:8px 0 0;color:var(--ink-soft);font-size:.88rem;line-height:1.65}
.source-options{display:flex;align-content:center;align-items:center;flex-wrap:wrap;gap:9px}
.source-options span{padding:8px 11px;border:1px solid color-mix(in oklch,var(--cyan) 35%,var(--line));border-radius:8px;background:color-mix(in oklch,var(--bg-deep) 70%,transparent);color:var(--ink-soft);font-size:.82rem}
.geo-flow article{
  display:grid;
  grid-template-columns:50px minmax(140px,190px) 1fr;
  gap:20px;
  align-items:center;
  padding:20px 8px;
  border-bottom:1px solid var(--line-soft);
}
.geo-flow span{color:var(--cyan);font-size:.78rem;font-weight:800;font-variant-numeric:tabular-nums}
.geo-flow h3{margin:0;font-size:1rem}
.geo-flow p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.6}
.boundary-note{
  margin-top:20px;
  padding:18px 20px;
  border:1px solid var(--line-soft);
  border-radius:10px;
  background:var(--surface);
}
.boundary-note p{margin:6px 0 0;color:var(--muted);line-height:1.6}
.points-summary{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:24px;
  align-items:center;
  padding:22px;
  border:1px solid var(--line-soft);
  border-radius:12px;
  background:linear-gradient(115deg,var(--surface-raised),var(--surface));
}
.points-summary span,.points-summary strong,.points-summary small{display:block}
.points-summary strong{display:inline;font-size:2rem;font-variant-numeric:tabular-nums}
.points-summary p{margin:0;color:var(--ink-soft);line-height:1.7}
.ledger-list,.member-list,.invite-list{display:grid;gap:0}
.ledger-row,.invite-row{
  display:grid;
  grid-template-columns:1.6fr .8fr .8fr 1fr;
  gap:12px;
  padding:13px 4px;
  border-bottom:1px solid var(--line-soft);
  color:var(--ink-soft);
  font-size:.84rem;
}
.ledger-row small,.invite-row small{color:var(--muted)}
.delta-positive{color:var(--success);font-weight:760}
.delta-negative{color:var(--danger);font-weight:760}
.member-row{
  display:grid;
  grid-template-columns:1.3fr .9fr .8fr 1.1fr 1.4fr auto;
  gap:10px;
  align-items:end;
  padding:14px 0;
  border-bottom:1px solid var(--line-soft);
}
.member-row>div:first-child strong,.member-row>div:first-child small{display:block}
.member-row small{margin-top:3px;color:var(--muted)}
.member-row label{font-size:.7rem}
.member-row input,.member-row select{padding:8px}
.member-row button{min-height:38px}
.placeholder-view{
  position:relative;
  min-height:540px;
  padding:90px 9vw;
  overflow:hidden;
  border:1px solid var(--line-soft);
  border-radius:14px;
  background:
    radial-gradient(circle at 82% 12%,color-mix(in oklch,var(--violet) 17%,transparent),transparent 40%),
    radial-gradient(circle at 10% 90%,color-mix(in oklch,var(--blue) 15%,transparent),transparent 36%),
    var(--surface);
}
.placeholder-index{display:none}
.placeholder-view h2{margin:10px 0;font-size:2.2rem;letter-spacing:-.03em}
.placeholder-view>p:not(.section-label){max-width:60ch;color:var(--ink-soft);line-height:1.75}
.toast{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:var(--z-toast);
  max-width:420px;
  padding:0;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--surface-raised);
  color:#fff;
  opacity:0;
  transform:translateY(8px);
  transition:opacity .18s cubic-bezier(.22,1,.36,1),transform .18s cubic-bezier(.22,1,.36,1);
  pointer-events:none;
}
.toast.visible{padding:12px 14px;opacity:1;transform:none}
.toast.error{border-color:var(--danger);background:color-mix(in oklch,var(--danger) 28%,var(--surface))}

@media(max-width:1080px){
  .auth-layout{grid-template-columns:1fr}
  .auth-intro{min-height:auto;padding:44px}
  .auth-intro h1{font-size:2.55rem}
  .auth-main{padding:46px 24px;border-left:0;border-top:1px solid var(--line-soft)}
  .portal{grid-template-columns:220px 1fr}
  .product-grid{grid-template-columns:1fr 1fr}
  .product-card-primary{grid-column:1/-1}
  .summary-row,.effect-track{grid-template-columns:1fr 1fr}
  .member-row{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:760px){
  body::before{height:360px}
  .portal{display:block}
  .sidebar{
    position:fixed;
    left:-280px;
    width:264px;
    transition:left .18s cubic-bezier(.22,1,.36,1);
  }
  .portal.menu-open .sidebar{left:0}
  .icon-button{display:block}
  .topbar{padding:14px 18px}
  .topbar>div:nth-child(2){margin-right:auto}
  .account-summary>div{display:none}
  #main{padding:22px 14px}
  .priority-strip{align-items:flex-start;flex-direction:column}
  .product-grid{grid-template-columns:1fr}
  .product-card-primary{grid-column:auto}
  .summary-row,.effect-track{grid-template-columns:1fr}
  .table-row{grid-template-columns:1fr}
  .table-head{display:none}
  .points-summary{grid-template-columns:1fr}
  .member-row{grid-template-columns:1fr}
  .geo-flow article{grid-template-columns:38px 1fr;gap:10px 14px}
  .source-guide{grid-template-columns:1fr;padding:18px}
  .geo-flow article p{grid-column:2}
  .effect-track article{border-right:0;border-bottom:1px solid var(--line-soft)}
  .effect-track article:last-child{border-bottom:0}
}
@media(max-width:520px){
  .auth-intro{padding:32px 22px}
  .auth-intro h1{font-size:2rem}
  .auth-main{padding:32px 18px}
  .auth-panel{padding:24px}
  .two-fields{grid-template-columns:1fr}
  .topbar h1{font-size:1.1rem}
  .section-heading{align-items:flex-start;flex-direction:column}
  .summary-row{grid-template-columns:1fr}
  .placeholder-view{padding:58px 24px}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important}
}