/* ==========================================================================
   福气小院 · 贺卡工坊 —— 与主站同一套底色：宣纸米、朱砂、鎏金、楷体
   ========================================================================== */

:root {
  --paper: #f6efe2;
  --paper-2: #efe3cf;
  --paper-3: #fbf7ee;
  --cinnabar: #b33b2e;
  --cinnabar-d: #8e2a20;
  --gold: #c79a3c;
  --gold-l: #e3c77a;
  --ink: #2b2118;
  --ink-2: #5c4a38;
  --ink-3: #8a7963;
  --line: rgba(199, 154, 60, 0.28);
  --line-soft: rgba(43, 33, 24, 0.08);
  --font-kai: 'Kaiti SC', 'STKaiti', KaiTi, '楷体', 'Songti SC', 'SimSun', serif;
  --font-hei: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', system-ui, sans-serif;
  --r-md: 14px;
  --r-lg: 20px;
  --sh-1: 0 2px 10px rgba(43, 33, 24, 0.06);
  --sh-2: 0 10px 28px rgba(43, 33, 24, 0.1);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-hei);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 18% 8%, rgba(199, 154, 60, 0.07), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(179, 59, 46, 0.05), transparent 38%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  background-attachment: fixed;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; font-family: var(--font-kai); color: var(--ink); font-weight: 700; letter-spacing: 0.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }
::selection { background: rgba(179, 59, 46, 0.16); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: rgba(199, 154, 60, 0.5); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 28px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(246, 239, 226, 0.88);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav__inner { display: flex; align-items: center; gap: 22px; height: 72px; }

.logo { display: flex; align-items: center; gap: 12px; flex: none; }

.logo__seal {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  font-family: var(--font-kai);
  font-size: 24px;
  color: #fff6e8;
  background: linear-gradient(140deg, var(--cinnabar), var(--cinnabar-d));
  box-shadow: inset 0 0 0 2px rgba(255, 246, 232, 0.45), 0 6px 16px rgba(179, 59, 46, 0.26);
}

.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__name { font-family: var(--font-kai); font-size: 24px; font-weight: 700; color: var(--ink); letter-spacing: 0.14em; }
.logo__sub { font-size: 11px; letter-spacing: 0.3em; color: var(--gold); text-indent: 0.3em; }

.nav__right { margin-left: auto; flex: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 26px;
  border: 1px solid transparent; border-radius: 999px;
  font-size: 15px; font-family: var(--font-kai); letter-spacing: 0.06em;
  transition: transform 250ms var(--ease), box-shadow 250ms var(--ease),
    background-color 250ms var(--ease), border-color 250ms var(--ease);
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn--primary {
  color: #fff8ec;
  background: linear-gradient(135deg, var(--cinnabar), var(--cinnabar-d));
  box-shadow: 0 8px 20px rgba(179, 59, 46, 0.24);
}
.btn--primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(179, 59, 46, 0.32); }

.btn--gold {
  color: var(--ink);
  border-color: rgba(199, 154, 60, 0.5);
  background: linear-gradient(135deg, rgba(227, 199, 122, 0.5), rgba(199, 154, 60, 0.28));
}
.btn--gold:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(199, 154, 60, 0.24); }

.btn--ghost { color: var(--cinnabar); border-color: rgba(179, 59, 46, 0.35); background: rgba(255, 253, 248, 0.6); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--cinnabar); }

.btn--sm { height: 38px; padding: 0 18px; font-size: 14px; }

/* ---------- 首屏 ---------- */
.hero { padding: 64px 0 30px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-kai); font-size: 15px;
  letter-spacing: 0.34em; color: var(--gold); text-indent: 0.34em;
}
.eyebrow::before, .eyebrow::after { content: ''; width: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.eyebrow::after { background: linear-gradient(90deg, var(--gold), transparent); }

.hero__title { margin-top: 18px; font-size: 44px; line-height: 1.28; max-width: 18em; }
.hero__title em { font-style: normal; color: var(--cinnabar); }
.hero__sub { margin-top: 14px; font-size: 15px; color: var(--ink-3); max-width: 40em; }

/* ---------- 工作台 ---------- */
.studio {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 44px;
  padding-bottom: 72px;
  align-items: start;
}

.panel { min-width: 0; }

.step {
  padding: 24px 26px 26px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(255, 253, 248, 0.72);
  box-shadow: var(--sh-1);
}

.step__title { display: flex; align-items: center; gap: 10px; font-size: 24px; }

.step__no {
  display: grid; place-items: center;
  width: 30px; height: 30px; flex: none;
  border-radius: 9px;
  font-size: 17px;
  color: #fff6e8;
  background: linear-gradient(140deg, var(--cinnabar), var(--cinnabar-d));
}

.step__hint { margin-top: 6px; font-size: 13px; color: var(--ink-3); }

/* 图片网格 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 10px;
  margin-top: 16px;
  max-height: 340px;
  overflow-y: auto;
  padding: 2px;
}

.grid__loading { grid-column: 1 / -1; padding: 22px 0; text-align: center; font-size: 13px; color: var(--ink-3); }

.pic {
  position: relative;
  aspect-ratio: 3 / 4;
  border: 0; padding: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--paper-2);
  cursor: pointer;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
}
.pic:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.pic img { width: 100%; height: 100%; object-fit: cover; display: block; }

.pic.is-active { box-shadow: 0 0 0 3px var(--cinnabar), var(--sh-2); }
.pic.is-active::after {
  content: '已选';
  position: absolute; left: 6px; top: 6px;
  padding: 1px 8px; border-radius: 999px;
  font-size: 11px; color: #fff8ec; background: rgba(179, 59, 46, 0.92);
}

/* 预设祝福 */
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; max-height: 200px; overflow-y: auto; padding: 2px; }

.preset {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.9);
  font-family: var(--font-kai);
  font-size: 15px;
  color: var(--ink-2);
  cursor: pointer;
  transition: color 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}
.preset:hover { color: var(--cinnabar); border-color: rgba(179, 59, 46, 0.45); background: rgba(179, 59, 46, 0.06); }
.preset.is-active { color: #fff8ec; border-color: transparent; background: linear-gradient(135deg, var(--cinnabar), var(--cinnabar-d)); }

/* 表单 */
.field { display: block; margin-top: 16px; }
.field__label { display: block; margin-bottom: 7px; font-family: var(--font-kai); font-size: 15px; color: var(--ink); }
.field__label em { font-style: normal; font-size: 12px; color: var(--ink-3); }

.field__input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  color: var(--ink);
  outline: 0;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.field__input:focus { border-color: var(--cinnabar); box-shadow: 0 0 0 4px rgba(179, 59, 46, 0.08); }
.field__input--area { min-height: 104px; resize: vertical; line-height: 1.8; }

.counter { margin-top: 6px; text-align: right; font-size: 12px; color: var(--ink-3); }
.counter.is-max { color: var(--cinnabar); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.tip { margin-top: 12px; font-size: 13px; color: var(--cinnabar); min-height: 20px; }

/* ---------- 预览 ---------- */
.preview { position: sticky; top: 96px; }

.preview__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.preview__label { font-family: var(--font-kai); font-size: 20px; color: var(--ink); }
.preview__size { font-size: 12px; color: var(--ink-3); }

.preview__frame {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(255, 253, 248, 0.8);
  box-shadow: var(--sh-2);
}

#card { display: block; width: 100%; height: auto; border-radius: var(--r-md); background: var(--paper-2); }

.preview__foot { margin-top: 12px; font-size: 12px; line-height: 1.7; color: var(--ink-3); }

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--line); padding: 30px 0 40px; }
.foot__inner { text-align: center; }
.foot__links { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; font-family: var(--font-kai); font-size: 15px; color: var(--ink-2); }
.foot__links a:hover { color: var(--cinnabar); }
.foot__dot { color: var(--gold); }
.foot__icp { margin-top: 12px; font-size: 12px; color: var(--ink-3); }
.foot__icp a:hover { color: var(--cinnabar); }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .studio { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .preview { position: static; order: -1; }
  .preview__frame { max-width: 380px; margin: 0 auto; }
  .hero__title { font-size: 34px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .hero { padding: 40px 0 22px; }
  .hero__title { font-size: 27px; }
  .step { padding: 20px 18px 22px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); max-height: 300px; }
  .logo__name { font-size: 21px; }
}