/* ===========================================================
   麦穗御饮 · 会员页
   登录 / 注册 / 下载 App（占位版）
   与 styles.css 共用变量，本文件只放会员页专属样式
   =========================================================== */

/* ---------- 页内导航（非首屏，常驻浅底） ---------- */
.nav--page{
  color:var(--brown);
  background:rgba(247,241,229,.94);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);
}
.nav--page .nav__logo{filter:none}
.nav--page .nav__links a.is-here{
  border-color:var(--gold);
  opacity:1;
  color:var(--gold);
}
@media (max-width:860px){
  .nav--page .nav__links a{color:var(--brown)}
}
.nav--page .nav__cta{border-color:rgba(63,49,38,.26)}
.nav--page .nav__cta:hover{border-color:var(--gold);color:var(--gold);background:rgba(184,137,43,.06)}

/* ---------- 页面骨架 ---------- */
.member{
  padding-top:76px;
  background:var(--paper);
}

.member__stage{
  display:grid;
  grid-template-columns:1fr 1fr;
  min-height:700px;
}

@media (min-height:860px){
  .member__stage{min-height:calc(100vh - 76px)}
}

/* ---- 左侧：深褐叙述面 ---- */
.member__aside{
  position:relative;
  overflow:hidden;
  background:#241A12;
  color:#FBF7EE;
  display:flex;
  align-items:center;
  padding:clamp(48px,7vw,96px) clamp(28px,5vw,80px);
}
.member__aside::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(120% 80% at 82% 18%,rgba(184,137,43,.20) 0%,rgba(184,137,43,0) 62%),
    radial-gradient(90% 70% at 8% 92%,rgba(184,137,43,.12) 0%,rgba(184,137,43,0) 60%);
  pointer-events:none;
}
.member__asideInner{position:relative;max-width:min(100%,480px)}

.member__title{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.34;
  letter-spacing:.02em;
  margin-bottom:22px;
}
.member__lead{
  font-size:15px;
  line-height:2;
  color:rgba(251,247,238,.78);
  margin-bottom:clamp(28px,4vw,42px);
}

/* 五方印章环 */
.seal{
  display:flex;gap:14px;margin-bottom:clamp(28px,4vw,40px);
}
.seal__dot{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:12.5px;
  border:1px solid rgba(251,247,238,.26);
  color:rgba(251,247,238,.72);
  transition:transform .5s ease,border-color .5s ease,color .5s ease;
}
.seal__dot:nth-child(1){border-color:rgba(95,123,76,.85);color:#A8C08F}
.seal__dot:nth-child(2){border-color:rgba(166,57,42,.85);color:#D98A79}
.seal__dot:nth-child(3){border-color:rgba(176,128,31,.85);color:#D8B15F}
.seal__dot:nth-child(4){border-color:rgba(107,85,131,.85);color:#B7A6CB}
.seal__dot:nth-child(5){border-color:rgba(51,71,76,.95);color:#8FB0B6}

.member__perks{list-style:none;border-top:1px solid rgba(251,247,238,.16)}
.member__perks li{
  display:flex;gap:16px;align-items:baseline;
  padding:15px 0;
  border-bottom:1px solid rgba(251,247,238,.10);
  font-size:14px;line-height:1.8;
  color:rgba(251,247,238,.82);
}
.member__perks b{
  flex:none;min-width:5.1em;white-space:nowrap;
  font-family:var(--serif);font-size:12.5px;font-weight:400;
  letter-spacing:.1em;color:var(--gold-2);
}
.member__note{
  margin-top:26px;font-size:12px;line-height:1.8;
  color:rgba(251,247,238,.45);letter-spacing:.04em;
}

/* ---- 右侧：表单面板 ---- */
.member__panel{
  background:var(--paper-2);
  display:flex;align-items:center;justify-content:center;
  padding:clamp(40px,6vw,80px) clamp(22px,4vw,56px);
}
.panel{
  width:100%;max-width:400px;
}

.panel__tabs{
  display:flex;gap:34px;
  border-bottom:1px solid var(--line);
  margin-bottom:clamp(26px,3.4vw,34px);
}
.panel__tab{
  position:relative;
  padding:0 0 14px;
  font-size:16px;letter-spacing:.1em;
  color:var(--muted);
  transition:color .25s ease;
}
.panel__tab::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;
  transition:transform .3s cubic-bezier(.3,.8,.3,1);
}
.panel__tab.is-on{color:var(--brown);font-weight:600}
.panel__tab.is-on::after{transform:none}

.form{display:flex;flex-direction:column;gap:18px}
.form[hidden]{display:none}
.field{display:flex;flex-direction:column;gap:7px}
.field__label{
  font-size:12px;letter-spacing:.12em;color:var(--muted);
}
.field__box{
  display:flex;align-items:center;gap:10px;
  border-bottom:1px solid rgba(63,49,38,.28);
  padding-bottom:9px;
  transition:border-color .25s ease;
}
.field__box:focus-within{border-color:var(--gold)}
.field__box input{
  flex:1;min-width:0;
  border:0;background:none;outline:none;
  font-family:var(--sans);font-size:15.5px;color:var(--ink);
  padding:4px 0;letter-spacing:.02em;
}
.field__box input::placeholder{color:rgba(122,107,88,.6)}
.field__suffix{
  flex:none;font-size:13px;color:var(--gold);
  letter-spacing:.04em;padding:2px 0;
  border-bottom:1px solid transparent;
  transition:opacity .25s ease;
}
.field__suffix:hover{opacity:.7}
.field__suffix:disabled{color:var(--muted);cursor:default}

.field__err{
  font-size:12.5px;color:#A6392A;letter-spacing:.02em;
  min-height:0;
}
.field__err:empty{display:none}

.check{
  display:flex;gap:9px;align-items:flex-start;
  font-size:12.5px;line-height:1.75;color:var(--muted);
  cursor:pointer;
}
.check input{
  flex:none;margin-top:4px;
  width:14px;height:14px;accent-color:var(--gold);
}
.check a{color:var(--brown-2);border-bottom:1px solid var(--line)}

.btn--brown{
  display:block;width:100%;text-align:center;
  padding:14px 24px;
  background:var(--brown);color:var(--paper-2);
  border-radius:2px;
  font-size:14px;letter-spacing:.18em;
  transition:.28s ease;
}
.btn--brown:hover{background:#2B2118;transform:translateY(-1px)}
.btn--brown[disabled]{opacity:.65;cursor:default;transform:none}

.form__foot{
  font-size:12.5px;color:var(--muted);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:2px;
}
.form__foot a,.form__foot button{
  font-size:12.5px;color:var(--brown-2);
  border-bottom:1px solid var(--line);
}

/* 提交后的内联告知条 */
.notice{
  display:flex;gap:12px;align-items:flex-start;
  background:#F4EAD3;
  border:1px solid rgba(184,137,43,.35);
  border-left:3px solid var(--gold);
  border-radius:2px;
  padding:14px 16px;
  margin-top:20px;
  font-size:13px;line-height:1.8;color:var(--brown-2);
  animation:noticeIn .35s ease both;
}
.notice[hidden]{display:none}
.notice svg{flex:none;margin-top:3px}
@keyframes noticeIn{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:none}
}

/* ---------- 下载 App ---------- */
.app{
  border-top:1px solid var(--line);
  padding:clamp(64px,9vw,110px) 0;
  background:var(--paper);
}
.app__grid{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:clamp(32px,5vw,72px);
  align-items:center;
}
.app__copy .display{margin-bottom:18px}
.app__copy p{
  font-size:14.5px;line-height:1.95;color:var(--brown-2);
  max-width:100%;
}
.app__list{
  list-style:none;margin:24px 0 30px;
}
.app__list li{
  position:relative;padding-left:20px;
  font-size:13.5px;line-height:1.9;color:var(--muted);
  margin-bottom:6px;
}
.app__list li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:6px;height:1px;background:var(--gold);
}

.app__ways{display:flex;gap:12px;flex-wrap:wrap}
.app__way{
  display:flex;align-items:center;gap:10px;
  padding:12px 20px;
  border:1px solid rgba(63,49,38,.24);
  border-radius:2px;
  font-size:13.5px;letter-spacing:.06em;color:var(--brown-2);
  transition:.25s ease;
}
.app__way:hover{border-color:var(--brown);background:var(--paper-2)}
.app__way span.tag{
  font-size:10.5px;letter-spacing:.08em;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:2px;
  padding:1px 5px;
  margin-left:2px;
}

/* 二维码占位 */
.app__qr{
  width:100%;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:3px;
  padding:clamp(24px,3vw,38px);
  display:flex;gap:clamp(20px,3vw,34px);align-items:center;
  box-shadow:var(--shadow);
}
.qr{
  flex:none;
  width:132px;height:132px;
  border:1px dashed rgba(63,49,38,.32);
  border-radius:2px;
  display:grid;place-items:center;gap:6px;
  color:var(--muted);
  background:
    repeating-linear-gradient(45deg,rgba(63,49,38,.03) 0 6px,transparent 6px 12px);
  text-align:center;
}
.qr svg{opacity:.5}
.qr small{font-size:10.5px;letter-spacing:.1em;line-height:1.5}
.app__qrText{font-size:13px;line-height:1.9;color:var(--brown-2)}
.app__qrText b{
  display:block;font-family:var(--serif);font-size:15px;
  font-weight:600;letter-spacing:.04em;margin-bottom:6px;color:var(--ink);
}
.app__qrText em{
  display:block;margin-top:8px;font-style:normal;
  font-size:11.5px;color:var(--muted);
}

/* ---------- 轻提示 ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;z-index:120;
  transform:translate(-50%,18px);
  display:flex;align-items:center;gap:12px;
  max-width:min(92vw,440px);
  padding:14px 20px;
  background:#2B2118;
  color:var(--paper-2);
  border-radius:3px;
  box-shadow:0 20px 46px -18px rgba(0,0,0,.6);
  font-size:13.5px;line-height:1.65;letter-spacing:.02em;
  opacity:0;pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}
.toast i{
  flex:none;width:3px;align-self:stretch;
  background:var(--gold-2);border-radius:2px;
}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .member__stage{grid-template-columns:1fr;min-height:0}
  .member__aside{padding:clamp(44px,8vw,64px) var(--pad)}
  .member__panel{padding:clamp(40px,7vw,60px) var(--pad)}
  .panel{max-width:460px}
  .app__grid{grid-template-columns:1fr}
  .app__qr{flex-direction:column;align-items:flex-start;gap:20px}
}
@media (max-width:560px){
  .seal{gap:9px}
  .seal__dot{width:30px;height:30px;font-size:11.5px}
  .panel__tabs{gap:26px}
  .app__way{width:100%;justify-content:space-between}
  .toast{left:var(--pad);right:var(--pad);bottom:20px;max-width:none;transform:translate(0,18px)}
  .toast.is-on{transform:none}
}