/* ==========================================================================
   问渠 WenQu — 购买页 / 账号页 质感增强
   仅加载于 pay.html / account.html（位于 style.min.css 之后）
   --------------------------------------------------------------------------
   设计纪律（与 style.css 一致）：
     · 无 icon / 无 CSS 自画图形 / 无「圆角块 + 单字」当标识
     · 素材全部使用真实线上素材（本页不新增素材）
     · 字体分层：标题 WenQuSerif · 正文 WenQuSans · 价格/数字 WenQuDisplay
   ========================================================================== */

/* —— 1. 页面基调：暖金微光 + 宣纸 —— */
.pay-page {
  background:
    radial-gradient(920px 480px at 50% -140px, rgba(184, 134, 59, .10), transparent 64%),
    var(--paper);
}

/* —— 2. 步骤指示（纯排版数字，无图形） —— */
.pay-steps {
  gap: 10px;
  margin-bottom: 40px;
  font-size: .9rem;
  letter-spacing: .02em;
}
.pay-step { display: flex; align-items: baseline; gap: 8px; color: var(--muted); transition: color .2s ease; }
.pay-step .n {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  transition: color .2s ease, font-size .2s ease;
}
.pay-step.active { color: var(--ink); font-weight: 700; }
.pay-step.active .n { color: var(--gold-deep); font-size: 1.35rem; }
.pay-step.done { color: var(--gold-deep); }
.pay-step.done .n { color: var(--gold); }
.pay-sep { color: rgba(184, 134, 59, .5); font-size: 1.05rem; }

/* —— 3. 面板：卡片化 + 层次阴影 —— */
.pay-panel {
  position: relative;
  border: 1px solid rgba(228, 220, 201, .75);
  box-shadow: 0 2px 6px rgba(26, 35, 52, .04), 0 26px 64px rgba(26, 35, 52, .10);
  padding: 46px 44px 44px;
}
.pay-panel > h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: .02em;
  margin-bottom: 8px;
}
.pay-panel > h2::after {
  content: "———";
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: .92rem;
  letter-spacing: .34em;
  color: var(--gold);
  margin-top: 2px;
  text-align: center;
}
.panel-sub { font-size: .95rem; letter-spacing: .01em; }

/* —— 4. 套餐选择 —— */
.plan-pick { gap: 20px; }
.plan-opt {
  position: relative;
  border: 1.5px solid var(--line);
  border-radius: 18px;
  padding: 30px 22px 26px;
  background: #fff;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.plan-opt:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.plan-opt.selected { border-color: var(--gold); box-shadow: 0 10px 28px rgba(184, 134, 59, .20); }
.plan-opt.popular {
  border-color: rgba(184, 134, 59, .55);
  background: linear-gradient(180deg, #fffdf6, #fdf9ee);
}
.plan-opt .po-name { font-family: var(--serif); font-weight: 700; font-size: 1.25rem; color: var(--ink); }
.plan-opt .po-duration { font-size: .86rem; color: var(--muted); margin-top: 2px; letter-spacing: .02em; }
.plan-opt .po-price {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.1rem;
  line-height: 1;
  color: var(--gold-deep);
  margin-top: 16px;
  font-variant-numeric: tabular-nums;
}
.plan-opt .po-price .po-cny { font-size: .55em; margin-right: 2px; }
.plan-opt .po-per { font-size: .82rem; color: var(--muted); margin-top: 8px; font-variant-numeric: tabular-nums; }
.plan-opt .po-features {
  list-style: none;
  margin: 18px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan-opt .po-features li { font-size: .86rem; color: var(--ink-soft); text-align: center; line-height: 1.5; }
.plan-opt .po-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  color: #fff;
  font-family: var(--sans);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .16em;
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(184, 134, 59, .32);
}
.plan-opt .po-selected {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .18em;
  color: var(--gold-deep);
}

/* —— 5. 登录表单 —— */
.field label {
  font-family: var(--sans);
  font-weight: 700;
  font-size: .86rem;
  letter-spacing: .06em;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.field input {
  padding: 15px 18px;
  font-size: 1rem;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: #fffdf8;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field input:hover { border-color: rgba(184, 134, 59, .45); }
.field input:focus {
  outline: none;
  border-color: var(--gold);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(184, 134, 59, .16);
}
.login-meta { font-size: .9rem; letter-spacing: .01em; }
.login-meta a { font-weight: 700; }

/* —— 6. 优惠码 —— */
.coupon-row { gap: 12px; }
.coupon-row .btn { padding: 13px 28px; }

/* —— 7. 订单汇总（票据式） —— */
.summary-list {
  margin: 28px 0 12px;
  background: linear-gradient(180deg, #fdfbf5, #f9f5ea);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 4px 26px;
}
.summary-row { padding: 15px 0; font-size: .97rem; }
.summary-row .label { letter-spacing: .02em; }
.summary-row .value {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.summary-row .value .discount { font-family: var(--sans); }
.summary-row.total { border-top: 1.5px solid var(--line); margin-top: 2px; }
.summary-row.total .label { font-family: var(--serif); font-weight: 700; color: var(--ink); }
.summary-row.total .value {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--gold-deep);
  letter-spacing: .01em;
}

/* —— 8. 支付方式 —— */
.pay-methods { gap: 18px; }
.pay-method {
  padding: 26px 18px 22px;
  border-radius: 16px;
  border: 1.5px solid var(--line);
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pay-method:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--gold); }
.pay-method .sub { letter-spacing: .02em; margin-top: 6px; }
.pay-method[data-provider="wechat"] { border-left: 3px solid #27a05e; }
.pay-method[data-provider="wechat"] .sub { color: #1d7a48; }
.pay-method[data-provider="alipay"] { border-left: 3px solid #1d7de0; }
.pay-method[data-provider="alipay"] .sub { color: #1a66bd; }
.pay-method-label {
  text-align: center;
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
  font-size: 1.02rem;
  margin: 0 0 14px;
  letter-spacing: .02em;
}
.pay-secure-note {
  margin: 18px 0 0;
  text-align: center;
  font-size: .82rem;
  color: var(--muted);
  letter-spacing: .01em;
}

/* —— 9. 二维码弹窗 —— */
.modal-mask {
  background: rgba(18, 24, 38, .64);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.modal {
  border: 1px solid rgba(228, 220, 201, .6);
  border-radius: 22px;
  box-shadow: 0 10px 26px rgba(26, 35, 52, .14), 0 44px 96px rgba(26, 35, 52, .36);
  padding: 36px 30px 28px;
}
.modal h3 { font-family: var(--serif); font-weight: 700; font-size: 1.3rem; letter-spacing: .02em; margin-bottom: 2px; }
#qrProvider {
  font-family: var(--sans);
  font-weight: 700;
  font-size: .74rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 4px;
}
.modal .qr-wrap {
  margin: 22px auto 18px;
  width: 288px;
  height: 288px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: inset 0 1px 4px rgba(26, 35, 52, .05);
  padding: 14px;
}
.modal .qr-wrap canvas,
.modal .qr-wrap img { display: block; width: 256px; height: 256px; object-fit: contain; }
.modal .qr-wrap .qr-img { border: 0; border-radius: 8px; }
.modal .amount {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.05rem;
  color: var(--gold-deep);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}
.modal .hint { color: var(--muted); font-size: .9rem; margin-top: 12px; letter-spacing: .01em; }
.modal .order-no {
  font-size: .78rem;
  color: var(--muted);
  letter-spacing: .04em;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  word-break: break-all;
}
.modal .btn-block { margin-top: 18px; }
.modal .btn-block + .btn-block { margin-top: 10px; }

/* —— 10. 成功页 —— */
.success-panel { padding-top: 40px; }
.success-title { font-size: 2.15rem; color: var(--ok); letter-spacing: .05em; }
.success-card {
  border: 1px solid rgba(46, 125, 91, .20);
  background: linear-gradient(180deg, #fdfcf8, #f8f5ec);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 48px 38px;
  max-width: 560px;
  margin: 28px auto 0;
}
.success-card .plan-line { font-family: var(--serif); font-weight: 700; font-size: 1.5rem; color: var(--ink); letter-spacing: .02em; }
.success-card .info { font-size: .96rem; line-height: 2.1; }
.success-card .info b { font-family: var(--serif); font-weight: 700; color: var(--gold-deep); font-variant-numeric: tabular-nums; }
.success-actions { margin-top: 32px; }

/* —— 11. 账号页：会员卡 —— */
.account-card-wrap { max-width: 820px; padding: 34px 34px 40px; }
.account-toolbar { margin-bottom: 24px; }
.account-phone { font-size: 1.02rem; letter-spacing: .06em; }
.logout-link { font-size: .9rem; }
.member-card { border-radius: 22px; min-height: 340px; }
.member-bg { opacity: .38; }
.member-inner { padding: 40px 42px 36px; }
.member-eyebrow { margin-bottom: 10px; }
.member-tier { font-size: clamp(2.1rem, 5vw, 3rem); letter-spacing: .02em; }
.member-status { font-size: .98rem; margin-bottom: 26px; }
.member-meta { gap: 22px 38px; margin-bottom: 32px; }
.member-meta-item dd { font-variant-numeric: tabular-nums; }
.member-actions .btn { min-width: 148px; padding: 14px 30px; }

/* —— 12. 账号页：三档方案 —— */
.tiers-section { margin-top: 30px; padding-top: 4px; }
.tiers-head { text-align: center; margin-bottom: 24px; }
.tiers-head h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
  letter-spacing: .02em;
  margin: 0 0 6px;
}
.tiers-head p { color: var(--muted); font-size: .93rem; margin: 0; }
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tier-card {
  position: relative;
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 18px;
  padding: 30px 24px 26px;
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.tier-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.tier-card.current { border-color: var(--gold); box-shadow: 0 12px 30px rgba(184, 134, 59, .18); }
.tier-card .tier-name { font-family: var(--serif); font-weight: 700; font-size: 1.25rem; color: var(--ink); }
.tier-card .tier-duration { font-size: .86rem; color: var(--muted); margin-top: 2px; letter-spacing: .02em; }
.tier-card .tier-price {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.05rem;
  line-height: 1;
  color: var(--gold-deep);
  margin: 16px 0 2px;
  font-variant-numeric: tabular-nums;
}
.tier-card .tier-price .cny { font-size: .55em; margin-right: 2px; }
.tier-card .tier-per { font-size: .82rem; color: var(--muted); margin: 8px 0 20px; font-variant-numeric: tabular-nums; }
.tier-card .tier-link { margin-top: auto; }
.tier-card .tier-flag {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  color: #fff;
  font-family: var(--sans);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .16em;
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(184, 134, 59, .32);
}

/* —— 13. 按钮文字节奏 —— */
.btn-lg { letter-spacing: .06em; }
.btn-primary { letter-spacing: .04em; }

/* —— 14. 响应式 —— */
@media (max-width: 720px) {
  .pay-panel { padding: 28px 18px 26px; }
  .plan-pick { gap: 14px; }
  .pay-steps { gap: 6px; font-size: .82rem; }
  .pay-step .n { font-size: 1rem; }
  .pay-step.active .n { font-size: 1.15rem; }
  .modal { padding: 28px 20px 24px; border-radius: 18px; }
  .modal .qr-wrap { width: 260px; height: 260px; padding: 10px; }
  .modal .qr-wrap canvas,
  .modal .qr-wrap img { width: 236px; height: 236px; }
  .tier-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; gap: 16px; }
  .member-inner { padding: 28px 24px 26px; }
  .account-card-wrap { padding: 22px 18px 30px; }
  .summary-list { padding: 4px 18px; }
  .success-card { padding: 38px 24px; }

  /* —— 购买 / 账号 移动端精修（≤720px） —— */
  .pay-panel > h2 { font-size: 1.45rem; }
  .pay-panel > h2::after { font-size: .84rem; }
  .panel-sub { font-size: .93rem; line-height: 1.75; }
  .pay-steps { font-size: .84rem; gap: 4px; margin-bottom: 28px; }
  .plan-opt { padding: 26px 20px 24px; }
  .plan-opt .po-name { font-size: 1.2rem; }
  .plan-opt .po-duration { font-size: .86rem; }
  .plan-opt .po-per { font-size: .86rem; }
  .plan-opt .po-features li { font-size: .9rem; line-height: 1.6; }
  .field label { font-size: .88rem; }
  .field input { font-size: 1rem; }
  .sms-btn { padding: 14px 16px; }
  .coupon-row .btn { padding: 14px 22px; }
  .summary-row { font-size: .96rem; }
  .summary-row.total .value { font-size: 1.4rem; }
  .pay-method { padding: 24px 16px 20px; font-size: 1.05rem; }
  .pay-method .sub { font-size: .84rem; }
  .pay-method-label { font-size: 1rem; }
  .pay-secure-note { font-size: .86rem; line-height: 1.8; }
  .success-panel { padding-top: 32px; }
  .success-title { font-size: 1.8rem; }
  .success-card .plan-line { font-size: 1.3rem; }
  .success-actions .btn { min-width: 100%; }
  .logout-link { padding: 8px 2px; }
  .member-tier { font-size: 2.1rem; }
  .member-status { font-size: .94rem; }
  .member-meta-item dd { font-size: 1.05rem; }
  .member-actions .btn { min-width: 100%; }
  .tiers-head p { font-size: .9rem; line-height: 1.7; }
  .tier-card { padding: 26px 20px 24px; }
  .tier-card .tier-name { font-size: 1.2rem; }
  .tier-card .tier-duration { font-size: .88rem; }
  .tier-card .tier-per { font-size: .86rem; }
}
@media (max-width: 560px) {
  .tier-grid { max-width: 340px; }
  .plan-opt .po-price { font-size: 1.8rem; }
  .tier-card .tier-price { font-size: 1.85rem; }

  /* —— 小屏（≤560px） —— */
  .plan-opt .po-price { font-size: 1.7rem; }
  .tier-card .tier-price { font-size: 1.75rem; }
  .modal .qr-wrap { width: 240px; height: 240px; }
  .modal .qr-wrap canvas,
  .modal .qr-wrap img { width: 216px; height: 216px; }
  .pay-method .sub { font-size: .82rem; }
}