:root {
  --bg: #fff6ec;
  --paper: rgba(255, 252, 247, 0.88);
  --panel-border: rgba(181, 122, 84, 0.16);
  --text: #35231a;
  --muted: #7a5d4f;
  --brand: #d96b2b;
  --brand-deep: #b6521c;
  --brand-soft: rgba(217, 107, 43, 0.12);
  --green: #59755a;
  --shadow: 0 18px 48px rgba(120, 70, 39, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --font-ui: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 212, 179, 0.85), transparent 28%),
    radial-gradient(circle at top right, rgba(254, 234, 196, 0.8), transparent 24%),
    linear-gradient(180deg, #fff8f2 0%, var(--bg) 52%, #fff1e3 100%);
}

textarea,
input,
button,
select {
  font: inherit;
}

.page-shell {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 24px) 16px calc(env(safe-area-inset-bottom) + 40px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 28px 22px;
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 242, 225, 0.94)),
    linear-gradient(120deg, rgba(255, 188, 143, 0.14), rgba(239, 226, 192, 0.18));
  border: 1px solid rgba(209, 133, 79, 0.14);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -24px -40px auto;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(217, 107, 43, 0.18), transparent 66%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--brand-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero-copy {
  max-width: 700px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.hero-tags span,
.summary-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 0.88rem;
  font-weight: 600;
}

.content {
  margin-top: 18px;
  display: grid;
  gap: 18px;
}

.panel {
  padding: 22px 18px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
}

.panel-heading {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 1.32rem;
}

.panel-heading p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.panel-index {
  flex: none;
  width: 44px;
  height: 44px;
  margin: 0;
  border-radius: 15px;
  background: linear-gradient(180deg, rgba(217, 107, 43, 0.18), rgba(217, 107, 43, 0.08));
  color: var(--brand-deep);
  font-weight: 800;
  display: grid;
  place-items: center;
}

.form-grid,
.upload-grid {
  display: grid;
  gap: 14px;
}

.field,
.upload-card,
.result-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(196, 144, 113, 0.14);
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.upload-copy p,
.help-copy {
  color: var(--muted);
}

.field input,
.field textarea,
.field select,
.upload-card textarea,
.result-card textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(184, 132, 99, 0.22);
  border-radius: 14px;
  background: rgba(255, 251, 247, 0.92);
  color: var(--text);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus,
.upload-card textarea:focus,
.result-card textarea:focus {
  border-color: rgba(217, 107, 43, 0.52);
  box-shadow: 0 0 0 4px rgba(217, 107, 43, 0.12);
}

.field-wide {
  grid-column: 1 / -1;
}

.upload-card {
  display: grid;
  gap: 12px;
}

.upload-copy h3,
.result-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.upload-copy p {
  margin: 6px 0 0;
  font-size: 0.94rem;
  line-height: 1.6;
}

.upload-card input[type="file"] {
  width: 100%;
  padding: 14px;
  border: 1px dashed rgba(217, 107, 43, 0.36);
  border-radius: 16px;
  background: rgba(255, 246, 238, 0.92);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 10px;
}

.thumb {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  aspect-ratio: 1 / 1;
  background: #f7ece1;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-count {
  position: absolute;
  inset: auto 8px 8px auto;
  padding: 4px 7px;
  border-radius: 999px;
  font-size: 0.72rem;
  background: rgba(53, 35, 26, 0.76);
  color: #fffdf8;
}

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:active {
  transform: translateY(1px) scale(0.995);
}

.primary-btn {
  background: linear-gradient(135deg, var(--brand) 0%, #f08c46 100%);
  color: #fff8f3;
  box-shadow: 0 14px 28px rgba(217, 107, 43, 0.18);
}

.secondary-btn {
  background: rgba(255, 244, 232, 0.96);
  color: var(--brand-deep);
  border: 1px solid rgba(217, 107, 43, 0.18);
}

.ghost-btn {
  background: rgba(89, 117, 90, 0.1);
  color: var(--green);
}

.result-card {
  display: grid;
  gap: 14px;
}

.result-card--soft {
  background: linear-gradient(180deg, rgba(255, 252, 249, 0.9), rgba(252, 244, 235, 0.84));
}

.result-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.help-copy {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

.summary-pill--soft {
  background: rgba(89, 117, 90, 0.12);
  color: var(--green);
}

.status-banner {
  min-height: 24px;
  color: var(--brand-deep);
  font-size: 0.94rem;
  font-weight: 600;
}

.post-preview {
  white-space: pre-wrap;
  line-height: 1.85;
  color: var(--text);
}

.empty-preview {
  color: var(--muted);
}

.panel--tips {
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.92), rgba(255, 245, 236, 0.88));
}

.tips-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

@media (min-width: 760px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .upload-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel {
    padding: 26px;
  }
}