/* 焕颜镜 · 样式 */
:root {
  --pink: #E8649A;
  --pink-deep: #D14A82;
  --pink-soft: #FCE4EE;
  --rose: #F7A8C4;
  --bg: #FFF6FA;
  --ink: #3A2C33;
  --ink-soft: #8A7A82;
  --line: #F0D9E3;
  --ok: #2FB37A;
  --err: #E0445C;
  --radius: 18px;
  --shadow: 0 6px 24px rgba(209, 74, 130, .12);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { background: var(--bg); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink);
  max-width: 540px;
  margin: 0 auto;
  padding-bottom: 60px;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

/* ===== 顶栏 ===== */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  background: linear-gradient(120deg, var(--pink), var(--rose));
  color: #fff;
}
.brand { display: flex; flex-direction: column; gap: 2px; }
.logo { font-size: 21px; font-weight: 800; letter-spacing: 2px; }
.tagline { font-size: 11px; opacity: .9; }
.top-right { display: flex; align-items: center; gap: 8px; }
.quota-tag {
  background: rgba(255, 255, 255, .25);
  border: 1px solid rgba(255, 255, 255, .5);
  padding: 5px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.btn-ghost {
  background: rgba(255, 255, 255, .2);
  border: 1px solid rgba(255, 255, 255, .55);
  color: #fff; padding: 6px 13px; border-radius: 999px;
  font-size: 12px; cursor: pointer;
}

/* ===== 页面 / 卡片 ===== */
.page { padding: 16px 14px; display: flex; flex-direction: column; gap: 14px; }
.card {
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px;
}

/* ===== 激活页 ===== */
.activate-card { text-align: center; }
.activate-hero { font-size: 46px; margin-bottom: 4px; }
.activate-title { font-size: 20px; font-weight: 800; }
.activate-sub { font-size: 13px; color: var(--ink-soft); margin: 6px 0 16px; }
.card-input {
  width: 100%; padding: 14px; font-size: 17px; text-align: center;
  letter-spacing: 3px; text-transform: uppercase;
  border: 2px solid var(--line); border-radius: 12px;
  background: var(--bg); color: var(--ink); outline: none;
}
.card-input:focus { border-color: var(--pink); }
.activate-tip, .level-hint, .result-tip {
  font-size: 12px; color: var(--ink-soft); margin-top: 10px; text-align: center;
}
.intro-card h3 { font-size: 15px; margin-bottom: 10px; }
.bullet-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.bullet-list li { font-size: 13px; color: var(--ink-soft); line-height: 1.5; }

/* ===== 按钮 ===== */
.btn {
  display: block; width: 100%; padding: 14px;
  border: none; border-radius: 12px; font-size: 16px; font-weight: 700;
  cursor: pointer; transition: transform .08s, opacity .15s;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: linear-gradient(120deg, var(--pink), var(--pink-deep)); color: #fff; }
.btn-primary:disabled { background: #E5C9D5; cursor: not-allowed; }
.btn-generate { margin-top: 2px; box-shadow: var(--shadow); }

/* ===== 步骤卡片 ===== */
.step-head { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; }
.step-no {
  width: 24px; height: 24px; border-radius: 50%;
  background: linear-gradient(120deg, var(--pink), var(--rose));
  color: #fff; font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex: none;
}
.step-head h3 { font-size: 15px; }

/* ===== 上传 ===== */
.upload-box {
  display: block; border: 2px dashed var(--rose);
  border-radius: 14px; background: var(--pink-soft);
  cursor: pointer; overflow: hidden; min-height: 180px;
  display: flex; align-items: center; justify-content: center;
}
.upload-placeholder {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 36px 16px;
}
.upload-icon { font-size: 38px; }
.upload-text { font-size: 14px; font-weight: 600; color: var(--pink-deep); }
.upload-hint { font-size: 11px; color: var(--ink-soft); }
.preview-img { width: 100%; display: block; max-height: 380px; object-fit: contain; }
#reuploadBtn {
  margin: 10px auto 0; background: var(--pink-soft);
  border: 1px solid var(--line); color: var(--pink-deep);
}

/* ===== 分类 tab ===== */
.cat-tabs { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 4px; }
.cat-tab {
  flex: none; padding: 8px 13px; border-radius: 999px;
  border: 1.5px solid var(--line); background: #fff;
  font-size: 13px; color: var(--ink-soft); cursor: pointer; white-space: nowrap;
}
.cat-tab.active {
  background: linear-gradient(120deg, var(--pink), var(--rose));
  color: #fff; border-color: transparent; font-weight: 700;
}
.cat-desc { font-size: 12px; color: var(--ink-soft); margin: 10px 0; }

/* ===== 项目网格 ===== */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.project-chip {
  padding: 12px 6px; border-radius: 12px;
  border: 1.5px solid var(--line); background: #fff;
  font-size: 13px; color: var(--ink); cursor: pointer; text-align: center;
  transition: all .12s;
}
.project-chip.active {
  border-color: var(--pink);
  background: var(--pink-soft); color: var(--pink-deep); font-weight: 700;
}

/* ===== 强度 ===== */
.level-btns { display: flex; gap: 7px; }
.level-btn {
  flex: 1; padding: 10px 4px; border-radius: 10px;
  border: 1.5px solid var(--line); background: #fff;
  font-size: 13px; color: var(--ink-soft); cursor: pointer;
}
.level-btn.active {
  border-color: var(--pink); background: var(--pink-soft);
  color: var(--pink-deep); font-weight: 700;
}

/* ===== 加载 ===== */
.loading-section { text-align: center; padding: 30px 18px; }
.spinner {
  width: 42px; height: 42px; margin: 0 auto 14px;
  border: 4px solid var(--pink-soft); border-top-color: var(--pink);
  border-radius: 50%; animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#loadingText { font-size: 13px; color: var(--ink-soft); }

/* ===== 结果 ===== */
.result-title { font-size: 16px; text-align: center; margin-bottom: 14px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.compare-item { position: relative; border-radius: 12px; overflow: hidden; background: var(--pink-soft); }
.compare-item img { width: 100%; display: block; }
.compare-label {
  position: absolute; left: 8px; top: 8px;
  background: rgba(58, 44, 51, .65); color: #fff;
  font-size: 11px; padding: 3px 9px; border-radius: 999px;
}
.compare-label.after { background: var(--pink); }
.result-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.result-actions .btn-ghost {
  background: var(--pink-soft); border: 1px solid var(--line);
  color: var(--pink-deep); padding: 11px; font-size: 14px; border-radius: 12px;
}

/* ===== 提示 ===== */
.form-error {
  background: #FDECEF; color: var(--err);
  font-size: 13px; padding: 9px 12px; border-radius: 10px; text-align: center;
}
.toast {
  position: fixed; left: 50%; bottom: 80px; transform: translateX(-50%);
  background: rgba(58, 44, 51, .92); color: #fff;
  font-size: 13px; padding: 10px 18px; border-radius: 999px;
  z-index: 60; max-width: 88%; text-align: center;
}
.toast.ok { background: var(--ok); }
.toast.err { background: var(--err); }

/* ===== 客服 ===== */
.support-fab {
  position: fixed; right: 16px; bottom: 20px; z-index: 40;
  width: 50px; height: 50px; border-radius: 50%; border: none;
  background: linear-gradient(120deg, var(--pink), var(--pink-deep));
  color: #fff; font-size: 22px; cursor: pointer;
  box-shadow: 0 4px 16px rgba(209, 74, 130, .4);
}
.modal {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(0, 0, 0, .5);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.modal-box {
  background: #fff; border-radius: var(--radius);
  padding: 22px; text-align: center; max-width: 320px; width: 100%;
}
.modal-box h3 { font-size: 16px; margin-bottom: 6px; }
.modal-box p { font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; }
.qr-img { width: 180px; height: 180px; object-fit: contain; margin: 0 auto 12px; display: block; }
.qr-fallback code { background: var(--pink-soft); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.modal-box .btn-ghost {
  background: var(--pink-soft); border: 1px solid var(--line);
  color: var(--pink-deep); padding: 9px 22px; margin: 0 auto;
}