/* 一封信 · AI 八字解读 —— 墨色 / 米纸 / 朱砂 */
:root{
  --paper:#f6f0e2;
  --card:#fbf7ec;
  --ink:#2e2a24;
  --ink-soft:#5c554a;
  --ink-faint:#8a8172;
  --cinnabar:#a93226;
  --cinnabar-deep:#8c2b20;
  --line:#ddd2ba;
  --wx-wood:#4a7c59;
  --wx-fire:#b03a2e;
  --wx-earth:#b9863c;
  --wx-metal:#8d9299;
  --wx-water:#33566e;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--serif);
  color:var(--ink);
  background:
    radial-gradient(ellipse at 20% -10%, #fffdf6 0%, transparent 55%),
    radial-gradient(ellipse at 110% 30%, #f1e8d2 0%, transparent 50%),
    var(--paper);
  min-height:100vh;
  line-height:1.7;
}
.page{max-width:660px;margin:0 auto;padding:28px 18px 40px}

/* header */
.masthead{text-align:center;padding:18px 0 26px}
.seal{
  width:64px;height:64px;margin:0 auto 14px;
  background:var(--cinnabar);color:#f7f2e7;
  font-size:36px;line-height:64px;text-align:center;
  border-radius:9px;transform:rotate(-3deg);
  box-shadow:0 2px 10px rgba(140,43,32,.35), inset 0 0 0 3px rgba(247,242,231,.35);
  font-weight:700;
}
.masthead h1{font-size:30px;letter-spacing:.14em;font-weight:700}
.masthead h1 .dot{color:var(--cinnabar)}
.subtitle{font-size:17px;color:var(--cinnabar-deep);letter-spacing:.5em;margin-top:4px;text-indent:.5em}
.intro{margin-top:16px;color:var(--ink-soft);font-size:15px}
.intro-note{margin-top:8px;color:var(--ink-faint);font-size:12.5px;letter-spacing:.08em}

/* cards */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:6px;
  padding:22px 20px;
  margin-bottom:18px;
  box-shadow:0 1px 3px rgba(90,75,45,.08), 0 10px 28px -18px rgba(90,75,45,.35);
}
.card-title{font-size:18px;letter-spacing:.3em;font-weight:700;margin-bottom:14px}
.card-title::after{content:"";display:block;width:34px;height:2px;background:var(--cinnabar);margin-top:6px;opacity:.75}

/* form */
.field{margin-bottom:16px}
.field-row{display:flex;gap:14px}
.field-row .field{flex:1}
label{display:block;font-size:14.5px;margin-bottom:6px;letter-spacing:.06em}
label .opt{color:var(--ink-faint);font-size:12px;margin-left:4px}
label .req{color:var(--cinnabar);font-size:12px;margin-left:4px}
input[type="text"],input[type="date"],select{
  width:100%;padding:11px 12px;font-size:16px;font-family:var(--serif);
  color:var(--ink);background:#fffdf6;
  border:1px solid var(--line);border-radius:5px;outline:none;
}
input:focus,select:focus{border-color:var(--cinnabar);box-shadow:0 0 0 2px rgba(169,50,38,.15)}
.hint{font-size:12.5px;color:var(--ink-faint);margin-top:5px}
.form-error{color:var(--cinnabar-deep);font-size:14px;margin:4px 0 10px}
.btn-primary{
  width:100%;padding:14px;font-size:17px;letter-spacing:.35em;text-indent:.35em;
  font-family:var(--serif);font-weight:700;color:#f8f3e6;
  background:linear-gradient(180deg,#b03a2e,#93301f);
  border:none;border-radius:6px;cursor:pointer;
  box-shadow:0 3px 10px rgba(140,43,32,.3);
}
.btn-primary:active{transform:translateY(1px)}

/* chart */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;text-align:center}
.pillars.three{grid-template-columns:repeat(3,1fr)}
.pillar{background:#fffdf6;border:1px solid var(--line);border-radius:6px;padding:12px 4px 10px}
.pillar .p-label{font-size:12.5px;color:var(--ink-faint);letter-spacing:.3em;text-indent:.3em}
.pillar .p-gz{font-size:30px;font-weight:700;letter-spacing:.08em;line-height:1.35}
.pillar .p-wx{font-size:12px;color:var(--ink-soft)}
.pillar.day-pillar{border-color:var(--cinnabar);box-shadow:inset 0 0 0 1px rgba(169,50,38,.4)}
.pillar.missing{opacity:.55;border-style:dashed}
.chart-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-size:13px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:3px 12px;color:var(--ink-soft)}
.chip b{color:var(--cinnabar-deep);font-weight:700}
.wx-block{margin-top:18px}
.wx-title{font-size:14px;letter-spacing:.15em;margin-bottom:8px}
.wx-note{font-size:11.5px;color:var(--ink-faint);letter-spacing:0}
.wx-bar{display:flex;height:16px;border-radius:4px;overflow:hidden;border:1px solid var(--line)}
.wx-seg{height:100%}
.wx-wood{background:var(--wx-wood)}.wx-fire{background:var(--wx-fire)}
.wx-earth{background:var(--wx-earth)}.wx-metal{background:var(--wx-metal)}
.wx-water{background:var(--wx-water)}
.wx-legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:8px;font-size:13px;color:var(--ink-soft)}
.wx-legend .sw{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}

/* daily note */
.daily-head{display:flex;align-items:center;gap:10px}
.daily-head .card-title{margin-bottom:0}
.daily-head .card-title::after{display:none}
.daily-seal{
  width:34px;height:34px;flex:none;background:var(--cinnabar);color:#f7f2e7;
  font-size:19px;line-height:34px;text-align:center;border-radius:6px;transform:rotate(2deg);font-weight:700;
}
.daily-date{margin-left:auto;font-size:13px;color:var(--ink-faint)}
.daily-text{margin-top:10px;font-size:16.5px;color:var(--ink)}

/* letter */
.letter{font-size:16.5px;line-height:2.05;letter-spacing:.02em}
.letter p{margin-bottom:1.05em;text-indent:2em}
.letter p.salutation{text-indent:0;font-size:17.5px}
.letter p.sign{text-align:right;text-indent:0;color:var(--ink-soft)}
.letter .blurred{
  filter:blur(5.5px);-webkit-filter:blur(5.5px);
  user-select:none;-webkit-user-select:none;pointer-events:none;color:transparent;
  text-shadow:0 0 9px rgba(46,42,36,.55);
}
.unlock-zone{margin-top:6px;text-align:center}
.unlock-divider{display:flex;align-items:center;gap:14px;color:var(--cinnabar-deep);letter-spacing:.4em;font-size:13px;margin:10px 0 12px}
.unlock-divider::before,.unlock-divider::after{content:"";flex:1;height:1px;background:var(--line)}
.unlock-text{color:var(--ink-soft);font-size:14.5px;margin-bottom:14px}
.unlock-row{display:flex;gap:10px;max-width:420px;margin:0 auto}
.unlock-row input{flex:1;text-align:center;letter-spacing:.15em}
.btn-small{
  padding:11px 18px;font-size:15px;font-family:var(--serif);font-weight:700;letter-spacing:.1em;
  color:#f8f3e6;background:var(--cinnabar);border:none;border-radius:5px;cursor:pointer;white-space:nowrap;
}
.btn-small:active{transform:translateY(1px)}
.unlock-msg{color:var(--cinnabar-deep);font-size:13.5px;margin-top:10px}
.unlock-msg.ok{color:var(--wx-wood)}
.unlock-buy{margin-top:16px;font-size:14.5px;color:var(--ink-soft)}
.buy-link{color:var(--cinnabar-deep);font-weight:700;text-decoration:none;border-bottom:1px solid var(--cinnabar)}
.buy-note{color:var(--ink-faint);font-size:12.5px;margin-left:4px}
.letter-actions{display:flex;gap:10px;margin-top:20px}
.btn-ghost{
  flex:1;padding:11px;font-size:15px;font-family:var(--serif);letter-spacing:.2em;
  color:var(--cinnabar-deep);background:transparent;border:1px solid var(--cinnabar);border-radius:5px;cursor:pointer;
}
.btn-ghost:active{background:rgba(169,50,38,.07)}
.disclaimer{margin-top:18px;font-size:12px;line-height:1.8;color:var(--ink-faint);border-top:1px dashed var(--line);padding-top:12px}

/* footer */
.footer{text-align:center;color:var(--ink-faint);font-size:13px;margin-top:6px}
.footer-note{font-size:11.5px;margin-top:2px}

@media (max-width:480px){
  .masthead h1{font-size:25px}
  .subtitle{letter-spacing:.38em}
  .field-row{flex-direction:column;gap:0}
  .pillar .p-gz{font-size:25px}
  .letter{font-size:16px}
  .unlock-row{flex-direction:column}
}