*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#ffffff;
  --surface:#faf9ff;
  --border:#ece9fe;
  --primary:#7c3aed;
  --accent:#8b5cf6;
  --success:#16a34a;
  --success-soft:oklch(0.94 0.06 145);
  --warn:#f59e0b;
  --soft:#ddd6fe;

  --fg:oklch(0.27 0.045 293);
  --fg-2:oklch(0.45 0.035 293);
  --primary-ink:oklch(0.53 0.21 293);
  --primary-ink-hover:oklch(0.47 0.20 293);
  --primary-ink-active:oklch(0.42 0.18 293);
  --accent-ink:oklch(0.48 0.23 293);
  --danger-ink:oklch(0.55 0.19 25);
  --success-ink:oklch(0.5 0.115 152);
  --border-field:oklch(0.66 0.09 293);

  --r:8px;
  --sh-sm:0 1px 2px oklch(0.42 0.05 293 / 0.06);
  --sh-md:0 12px 32px oklch(0.45 0.14 293 / 0.10);
  --sh-lg:0 24px 60px oklch(0.42 0.12 293 / 0.18);

  --font:'Inter',system-ui,-apple-system,'Segoe UI','Helvetica Neue',Arial,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --header-h:64px;
}

html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--fg);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-0.02em;font-weight:700}
a{color:var(--primary-ink);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
svg{flex:none}
.wrap{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.num{font-variant-numeric:tabular-nums;font-feature-settings:'tnum' 1}
.skip{position:absolute;left:-9999px;top:0;background:var(--primary-ink);color:#fff;padding:10px 16px;z-index:200;border-radius:var(--r)}
.skip:focus{left:16px;top:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--primary-ink);color:#ffffff;box-shadow:0 8px 20px oklch(0.53 0.21 293 / 0.24)}
.btn-primary:hover{background:var(--primary-ink-hover);text-decoration:none;transform:translateY(-1px);box-shadow:0 12px 26px oklch(0.53 0.21 293 / 0.3)}
.btn-primary:active{background:var(--primary-ink-active);transform:none}
.btn-outline{background:#ffffff;border-color:var(--border);color:var(--fg)}
.btn-outline:hover{background:var(--surface);border-color:var(--primary);text-decoration:none}
.btn-outline:active{background:var(--border)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--fg-2);min-height:40px;padding:0 12px}
.btn-ghost:hover{background:var(--surface);color:var(--fg);text-decoration:none}
.btn:disabled{background:var(--surface);color:var(--fg-2);border-color:var(--border);box-shadow:none;cursor:not-allowed;transform:none;opacity:1}
.btn-block{width:100%}

/* ---------- header（与首页导航结构一致） ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--border);
}
.header-in{display:flex;align-items:center;gap:28px;min-height:70px;position:relative}
.brand{display:flex;align-items:center;gap:11px;color:var(--fg);text-decoration:none;font-weight:750;font-size:1.02rem;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand-mark{
  width:30px;height:30px;border-radius:8px;
  display:block;object-fit:contain;flex:none;background:transparent;
}
.brand small{display:block;font-size:.7rem;font-weight:600;color:var(--fg-2);letter-spacing:.06em;opacity:.85}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 13px;border-radius:var(--r);font-size:.92rem;font-weight:600;
  color:var(--fg-2);transition:background-color .16s ease,color .16s ease;
}
.nav-links a:hover{background:var(--surface);color:var(--fg);text-decoration:none}
.nav-links a.active,
.nav-links a[aria-current="page"]{color:var(--primary-ink);background:var(--surface)}
.nav-links a.nav-promo{display:inline-flex;align-items:center;gap:6px}
.nav-links a.nav-promo .nav-coin{
  width:22px;height:22px;flex-shrink:0;position:relative;overflow:hidden;border-radius:50%;
  background:url(/assets/nav-coin.png?v=4) center/contain no-repeat;
}
.nav-links a.nav-promo .nav-coin::after{
  content:"";position:absolute;inset:-40% -60%;
  background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.85) 50%,transparent 62%);
  animation:nav-coin-shine 2.4s ease-in-out infinite;
}
@keyframes nav-coin-shine{
  0%,50%{transform:translateX(-75%) rotate(12deg)}
  72%,100%{transform:translateX(75%) rotate(12deg)}
}
@media (prefers-reduced-motion:reduce){
  .nav-links a.nav-promo .nav-coin::after{animation:none;opacity:0}
}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-actions .btn{min-height:42px;padding:0 16px;font-size:.9rem}
.nav-actions .btn-ghost{background:transparent;border-color:transparent;color:var(--fg)}
.nav-actions .btn-ghost:hover{background:var(--surface);color:var(--fg);text-decoration:none}
.nav-toggle{display:none;margin-left:8px;width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r);background:var(--bg);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--fg);border-radius:8px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--fg);border-radius:8px}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.user-chip{display:flex;align-items:center;gap:10px;padding:5px 10px 5px 6px;border:1px solid var(--border);border-radius:var(--r);background:var(--surface)}
.ava{width:30px;height:30px;border-radius:var(--r);background:var(--primary-ink);color:#ffffff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.uc-meta{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.uc-name{font-size:13px;font-weight:600;max-width:11em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uc-sub{font-size:11px;color:var(--fg-2)}
.uc-state{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--fg);padding:4px 10px;border-radius:var(--r);border:1px solid var(--border);background:#fff}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex:none}
.dot-ok{background:var(--success)}
.dot-warn{background:var(--warn)}
.dot-off{background:var(--soft)}
.dot-wait{background:var(--primary);animation:pulse 1.4s infinite}

/* ---------- hero ---------- */
.hero{padding:64px 0 40px}
.hero-in{max-width:860px;margin:0 auto;text-align:center}
.hero-eyebrow{
  display:inline-block;margin-bottom:16px;padding:6px 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--primary-ink);
}
.hero h1{
  font-size:clamp(28px,4.8vw,48px);font-weight:800;letter-spacing:-0.04em;
  color:var(--fg);line-height:1.2;
}
.hero-offer{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  margin:20px auto 0;padding:10px 18px;border-radius:999px;
  background:var(--success-soft);color:var(--success-ink);
  font-size:clamp(14px,1.6vw,16px);font-weight:650;line-height:1.4;
}
.hero-offer svg{flex:none}

/* ---------- section ---------- */
.section{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.sec-head-center{justify-content:center;text-align:center}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-0.03em}
.sec-head p{color:var(--fg-2);font-size:15px;margin-top:8px;max-width:34em}
.band{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

/* ---------- notice ---------- */
.notice[hidden]{display:none!important}
.notice{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);margin-bottom:24px}
.notice svg{color:var(--primary-ink);margin-top:2px}
.notice strong{display:block;font-size:14px;font-weight:700;margin-bottom:2px}
.notice p{font-size:13px;color:var(--fg-2);line-height:1.55}
.notice .btn{margin-left:auto;align-self:center}

/* ---------- plan switchers：月年胶囊 + 个人/团队 ---------- */
/* 两个切换器并为一个居中的控件条，中间细分割线连接，付费周期在左、适用对象在右 */
.plan-switch-bar{
  display:flex;align-items:flex-end;justify-content:center;
  margin:4px 0 36px;position:relative;
}
.switch-group{display:flex;flex-direction:column;align-items:center;gap:10px}
.switch-divider{align-self:flex-end;width:1px;height:52px;background:var(--border);margin:0 28px;flex:none}
.switch-label{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--fg-2)}
.billing-pill{
  position:relative;display:inline-flex;align-items:stretch;gap:0;padding:4px;
  background:var(--surface);border-radius:var(--r);border:1px solid var(--border);
}
.pill-thumb{
  position:absolute;top:4px;left:4px;height:calc(100% - 8px);width:72px;
  border-radius:6px;background:var(--primary-ink);
  box-shadow:0 6px 16px oklch(0.53 0.21 293 / 0.28);
  transition:transform .32s var(--ease),width .32s var(--ease),background-color .2s var(--ease);
  pointer-events:none;z-index:0;
}
.pill-opt{
  position:relative;z-index:1;min-height:42px;padding:0 22px;border:none;border-radius:6px;
  background:transparent;color:var(--fg-2);font-size:14px;font-weight:650;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  transition:color .2s var(--ease);
}
.pill-opt:hover{color:var(--fg);background:transparent}
.pill-opt[aria-selected="true"]{
  background:transparent;color:#fff;
}
.pill-opt[aria-selected="true"]:hover{background:transparent;color:#fff}
.pill-save{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:78px;font-size:11px;font-weight:700;letter-spacing:.02em;padding:3px 8px;border-radius:var(--r);
  font-variant-numeric:tabular-nums;white-space:nowrap;
  background:var(--success-soft);color:var(--success-ink);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.pill-save.is-empty{visibility:hidden}
.pill-opt[aria-selected="true"] .pill-save{
  background:rgba(255,255,255,.22);color:#fff;
}
.audience-toggle{
  display:inline-flex;align-items:stretch;gap:0;padding:4px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
}
.aud-opt{
  min-height:42px;padding:0 22px;border:none;border-radius:6px;background:transparent;
  font-size:14px;font-weight:650;color:var(--fg-2);cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.aud-opt:hover{color:var(--fg)}
.aud-opt[aria-selected="true"]{background:var(--primary-ink);color:#fff}
.aud-opt[aria-selected="true"]:hover{color:#fff}
.aud-sep{display:none}

.seat-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0 6px}
.seat-label{font-size:13px;font-weight:600;color:var(--fg-2)}
.seat-stepper{display:inline-flex;align-items:center;gap:8px}
.seat-stepper button{
  width:32px;height:32px;border:1px solid var(--border);border-radius:var(--r);background:#fff;
  font-size:18px;line-height:1;cursor:pointer;color:var(--fg);
}
.seat-stepper button:hover{border-color:var(--primary);color:var(--primary-ink);background:var(--surface)}
.seat-stepper .seat-n{min-width:1.6em;text-align:center;font-weight:750;font-variant-numeric:tabular-nums}
.seat-hint{font-size:12px;color:var(--fg-2);margin:0 0 4px;line-height:1.45}

/* ---------- plans ---------- */
/* 固定卡宽，单卡时不拉满整行 */
.plans{
  display:grid;grid-template-columns:repeat(auto-fit,380px);justify-content:center;
  gap:20px;align-items:stretch;
}
.plans.plans-leave{
  opacity:0;transform:translateY(10px) scale(.985);
  transition:opacity .18s var(--ease),transform .18s var(--ease);
}
.plans.plans-enter{
  animation:plansIn .42s var(--ease) both;
}
.plans.plans-enter .plan-slot{animation:planCardIn .48s var(--ease) both}
.plans.plans-enter .plan-slot:nth-child(1){animation-delay:.02s}
.plans.plans-enter .plan-slot:nth-child(2){animation-delay:.07s}
.plans.plans-enter .plan-slot:nth-child(3){animation-delay:.12s}
.plans.plans-enter .plan-slot:nth-child(4){animation-delay:.17s}
/* 顶栏与卡片连体：slot 预留同高保证卡体对齐 */
.plan-slot{display:flex;flex-direction:column;width:380px;max-width:100%;min-width:0}
.rec-banner-slot{
  height:28px;flex:none;display:flex;align-items:stretch;margin:0;
}
.rec-banner{
  display:flex;align-items:center;justify-content:center;width:100%;
  padding:0 12px;font-size:11px;font-weight:700;letter-spacing:.06em;
  color:#fff;background:linear-gradient(90deg,var(--primary-ink),var(--accent-ink));
  border-radius:var(--r) var(--r) 0 0;
}
/* 斜光只扫文字：实色字 + 伪元素高光，避免 background-clip 循环跳变 */
.rec-banner span{
  position:relative;display:inline-block;overflow:hidden;
  color:#fff;-webkit-text-fill-color:#fff;
  line-height:1;padding:.12em 0;
}
.rec-banner span::after{
  content:"";position:absolute;top:-10%;left:0;width:55%;height:120%;
  background:linear-gradient(105deg,transparent 20%,rgba(255,255,255,.85) 50%,transparent 80%);
  transform:translateX(-140%) skewX(-16deg);
  animation:recTextShine 2.8s ease-in-out infinite;
  pointer-events:none;
}
.plan-slot.is-rec .plan{
  border-radius:0 0 var(--r) var(--r);
  border-top:none;border-color:var(--primary);
  box-shadow:0 18px 44px oklch(0.45 0.14 293 / 0.14);
}
.plan{
  position:relative;display:flex;flex-direction:column;gap:0;overflow:hidden;flex:1;
  background:#ffffff;border:1px solid var(--border);border-radius:var(--r);
  transition:border-color .25s var(--ease),transform .25s var(--ease),background-color .25s var(--ease);
  box-shadow:none;
}
.plan:hover{transform:translateY(-2px);border-color:oklch(0.82 0.05 293)}
.plan-slot.focus .plan,.plan.focus{
  border-color:var(--primary);
  transform:translateY(-2px);
}
.plan-slot.is-rec.focus .plan,.plan-slot.is-rec .plan:hover{
  border-top:none;
}
.plan-top{padding:28px 24px 20px;display:flex;flex-direction:column;flex:1}
.plan-name-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan h3{font-size:22px;letter-spacing:-0.03em;font-weight:800}
.off-pill{
  flex:none;font-size:11px;font-weight:750;letter-spacing:.03em;
  padding:4px 9px;border-radius:999px;background:var(--success-soft);color:var(--success-ink);
}
.off-pill[hidden]{display:none!important}
.plan-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}
.tag-cat{
  display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);
  font-size:12px;font-weight:700;color:var(--primary-ink);
}
.tag-period{font-size:12px;font-weight:600;color:var(--fg-2)}
.plan .tagline{font-size:13px;color:var(--fg-2);margin-top:8px;min-height:2.6em;line-height:1.45}
.price{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 8px;margin-top:18px}
.price .cur{font-size:18px;font-weight:700;color:var(--fg-2)}
.amt-slot{
  display:inline-block;overflow:hidden;vertical-align:bottom;
  height:46px;min-width:.6em;
}
.price .amt{
  display:block;font-size:42px;font-weight:800;letter-spacing:-0.04em;
  height:46px;line-height:46px;overflow:hidden;
}
.price .was{
  font-size:15px;font-weight:600;color:var(--fg-2);text-decoration:line-through;
  text-decoration-thickness:1.5px;margin-left:2px;
  transition:opacity .2s var(--ease);
}
.price .was[hidden]{display:none!important}
.price .per{
  font-size:13px;color:var(--fg-2);font-weight:500;
  display:inline-block;overflow:hidden;height:1.25em;line-height:1.25em;vertical-align:baseline;
}
.roll-track{
  display:flex;flex-direction:column;will-change:transform;
  transform:translate3d(0,0,0);
}
.amt .roll-line{
  display:block;height:46px;line-height:46px;flex:none;
  font-size:inherit;font-weight:inherit;letter-spacing:inherit;
}
.per .roll-line{
  display:block;height:1.25em;line-height:1.25em;flex:none;white-space:nowrap;
}
.plan-slot.is-billing-miss .plan{opacity:.55}
.plan-slot.is-billing-miss .plan:hover{transform:none;border-color:var(--border)}
.plan-top [data-plan-cta]{margin-top:auto;padding-top:24px}
.plan-top [data-plan-cta] .btn{margin-top:0}
.perday{margin-top:8px;font-size:13px;color:var(--fg-2);min-height:1.2em}
.perday b{color:var(--fg);font-weight:700}

.plan-featbox{
  margin:22px 0 0;padding:18px 0 0;
  border-top:1px solid var(--border);
}
.plan-featbox-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  margin-bottom:12px;
}
.plan-featbox-head strong{font-size:13px;font-weight:700;color:var(--primary-ink)}
.plan-featbox-head span{font-size:12px;color:var(--fg-2);font-weight:600;white-space:nowrap}
.feat{list-style:none;display:flex;flex-direction:column;gap:9px;margin:0;padding:0}
.feat li{display:flex;align-items:flex-start;gap:9px;font-size:13px;line-height:1.4}
.feat li.is-on{color:var(--fg)}
.feat li.is-off{color:oklch(0.7 0.02 293)}
.feat-ico{margin-top:2px;flex:none}
.feat-ico.ok{color:var(--success-ink)}
.feat-ico.no{width:15px;text-align:center;font-weight:700;color:oklch(0.78 0.02 293)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start}
.faq-intro h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-0.03em}
.faq-intro p{color:var(--fg-2);font-size:15px;margin-top:8px;max-width:34em}
.faq-list{display:flex;flex-direction:column;gap:10px}
details{border:1px solid var(--border);border-radius:var(--r);background:#fff;transition:border-color .18s var(--ease),background-color .18s var(--ease)}
details[open]{background:var(--surface);border-color:var(--primary)}
summary{
  cursor:pointer;list-style:none;padding:18px 20px;font-size:15px;font-weight:600;
  display:flex;align-items:center;gap:16px;color:var(--fg);border-radius:var(--r);
}
summary::-webkit-details-marker{display:none}
summary:hover{color:var(--primary-ink)}
summary .chev{margin-left:auto;color:var(--fg-2);transition:transform .2s var(--ease)}
details[open] summary .chev{transform:rotate(180deg)}
details .answer{padding:0 20px 20px;font-size:14px;color:var(--fg-2);line-height:1.7}
details .answer a{font-weight:600}

/* ---------- cta band / footer ---------- */
.cta-band{padding:56px 0}
.cta-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:36px 40px}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);letter-spacing:-0.03em}
.cta-inner p{color:var(--fg-2);font-size:15px;margin-top:8px;max-width:32em}
.site-footer{border-top:1px solid var(--border);padding:32px 0 40px}
.foot-in{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between;font-size:13px;color:var(--fg-2)}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}

/* ---------- skeleton ---------- */
.skeleton{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:28px 24px;min-height:320px;display:flex;flex-direction:column;gap:14px}
.sk{background:linear-gradient(90deg,var(--border) 25%,var(--surface) 50%,var(--border) 75%);background-size:200% 100%;animation:shimmer 1.4s linear infinite;border-radius:4px}
.sk-line{height:14px}
.sk-title{height:20px;width:52%}
.sk-price{height:36px;width:64%}
.sk-btn{height:48px;margin-top:auto}

/* ---------- modal ---------- */
.overlay{
  position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;
  padding:24px;background:oklch(0.28 0.06 293 / 0.46);backdrop-filter:blur(4px);
}
.overlay.open{display:flex}
.modal{
  position:relative;width:100%;background:#ffffff;border:1px solid var(--border);border-radius:var(--r);
  box-shadow:var(--sh-lg);padding:32px;animation:pop .22s var(--ease) both;max-height:calc(100vh - 48px);overflow:auto;
}
.modal-sm{max-width:420px}
.modal-md{max-width:440px}
.modal-close{
  position:absolute;top:12px;right:12px;width:36px;height:36px;border:none;background:transparent;
  color:var(--fg-2);border-radius:var(--r);cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--surface);color:var(--fg)}
.modal h2{font-size:19px;letter-spacing:-0.02em;padding-right:40px}
.modal .modal-sub{font-size:13.5px;color:var(--fg-2);margin-top:8px;line-height:1.6}
.field{display:flex;flex-direction:column;gap:6px;margin-top:16px}
.field label{font-size:12.5px;font-weight:600;color:var(--fg-2)}
.field input{
  height:46px;padding:0 14px;border:1px solid var(--border-field);border-radius:var(--r);
  background:var(--surface);font-size:15px;font-family:var(--font);color:var(--fg);
  transition:border-color .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input::placeholder{color:var(--fg-2);opacity:.7}
.field input:hover{border-color:var(--primary)}
.field input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px oklch(0.53 0.21 293 / 0.14)}
.field input[aria-invalid="true"]{border-color:var(--danger-ink)}
.field-error{font-size:12.5px;color:var(--danger-ink);display:none}
.field-error.show{display:block}
.form-error{font-size:13px;color:var(--danger-ink);margin-top:14px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);display:none}
.form-error.show{display:block}

.pay-amount{display:flex;align-items:baseline;gap:6px;margin:22px 0 4px}
.pay-amount .cur{font-size:20px;font-weight:700;color:var(--fg-2)}
.pay-amount .amt{font-size:46px;font-weight:800;letter-spacing:-0.04em;line-height:1}
.pay-meta{font-size:13px;color:var(--fg-2)}
.pay-meta .oid{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--fg)}
.pay-steps{margin:24px 0;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);display:flex;flex-direction:column;gap:10px}
.pay-steps li{list-style:none;display:flex;gap:10px;font-size:13px;color:var(--fg)}
.step-n{width:20px;height:20px;border-radius:50%;background:var(--primary-ink);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px}
.pay-status{
  display:flex;align-items:center;justify-content:center;gap:8px;font-size:13.5px;
  color:var(--fg-2);margin-top:16px;padding-top:16px;border-top:1px solid var(--border);min-height:44px;
}
.pay-status.is-ok{color:var(--success-ink);font-weight:600}

.pay-actions{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.pay-actions-extra{text-align:center}
.pay-actions[data-mode="open"] #payRecheck{order:2}
.pay-actions[data-mode="open"] #payLink{order:1}
.pay-actions[data-mode="open"] .pay-actions-extra{order:3}
.pay-actions[data-mode="check"] #payRecheck{order:1}
.pay-actions[data-mode="check"] #payLink{order:2}
.pay-actions[data-mode="check"] .pay-actions-extra{order:3}
.pay-actions #payLink.btn-outline,.pay-actions #payRecheck.btn-outline{font-weight:600}

.link-btn{background:none;border:none;color:var(--primary-ink);font-size:13px;font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px;padding:4px}
.link-btn:hover{color:var(--primary-ink-hover)}

/* ---------- success ---------- */
.success{max-width:520px;margin:0 auto;padding:80px 0;text-align:center}
.success .ok{width:64px;height:64px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border);color:var(--success);display:flex;align-items:center;justify-content:center;margin:0 auto 24px}
.success h1{font-size:28px;letter-spacing:-0.03em}
.success p{color:var(--fg-2);margin-top:12px;font-size:15px}
.success .actions{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}

/* ---------- toast ---------- */
.toasts{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:10px;align-items:center;width:calc(100% - 32px);max-width:420px;pointer-events:none}
.toast{
  display:flex;align-items:center;gap:10px;background:var(--fg);color:#ffffff;font-size:14px;font-weight:500;
  padding:12px 18px;border-radius:var(--r);box-shadow:var(--sh-lg);animation:pop .2s var(--ease) both;
}
.toast svg{color:var(--soft)}

@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:none}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes plansIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes planCardIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@keyframes recTextShine{
  0%,35%{transform:translateX(-140%) skewX(-16deg)}
  100%{transform:translateX(220%) skewX(-16deg)}
}
.rise{animation:rise .5s var(--ease) both}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .faq-grid{grid-template-columns:1fr;gap:24px}
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;
    background:var(--bg);border-bottom:1px solid var(--border);
    flex-direction:column;padding:12px 16px 18px;gap:2px;box-shadow:var(--sh-md);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px}
  .nav-toggle{display:flex}
  .nav-actions .btn-primary{display:none}
}
@media(max-width:720px){
  :root{--header-h:60px}
  .wrap{width:min(1180px,calc(100% - 32px))}
  .header-in{gap:12px;min-height:60px}
  .hero{padding:36px 0 20px}
  .hero h1{font-size:clamp(24px,7vw,34px)}
  .hero-sub{font-size:14px;margin-top:12px}
  .section{padding:48px 0}
  .plans{grid-template-columns:minmax(0,380px);justify-content:center}
  .plan-slot{width:100%}
  .plan .tagline{min-height:0}
  .cta-inner{padding:28px 22px}
  .btn-lg{padding:0 22px;font-size:15px}
  .brand small{display:none}
  .nav-actions{gap:6px}
  .nav-actions .btn{min-height:40px;padding:0 12px;font-size:.85rem}
  .uc-meta{display:none}
  .plan-switch-bar{flex-direction:column;align-items:center;gap:16px;margin-bottom:28px}
  .switch-divider{width:64px;height:1px;margin:2px 0}
  .audience-toggle{width:100%;justify-content:center}
  .notice{flex-wrap:wrap}
  .notice .btn{margin-left:0;width:100%}
  .modal{padding:26px 20px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}


/* 当前页导航高亮已由 .nav-links a.active 处理 */