/* ============================================================
   IMAGEN · Editorial print stylesheet
   Warm ivory paper, ink black, vermilion accent, serif-led type.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body { margin: 0; }

:root {
  --ink:        #1a1612;
  --ink-soft:   #2c2520;
  --ash:        #88827a;
  --ash-soft:   #b8b0a3;
  --rule-color: #c8c0ad;

  --paper:        #f1ead8;
  --paper-bright: #faf6e9;
  --paper-deep:   #e6dfca;

  --red:        #c8462c;
  --red-deep:   #a83a23;
  --red-light:  #e8674a;

  --font-display: "Fraunces", "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
  --font-body:    "Source Serif 4", "Noto Serif SC", "Songti SC", serif;
  --font-cn:      "Noto Serif SC", "Songti SC", serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --gutter: 1.5rem;
  --max:    78rem;

  --rule:      1px solid var(--ink);
  --rule-thin: 1px solid var(--rule-color);
}

/* ---------- Page foundation ---------- */
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "kern", "liga", "ss01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  background-image:
    radial-gradient(1200px 600px at 20% -10%, var(--paper-bright), transparent 60%),
    radial-gradient(900px 500px at 110% 110%, var(--paper-deep), transparent 60%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.4' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 0.10 0 0 0 0 0.08 0 0 0 0 0.06 0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-blend-mode: multiply, multiply, normal;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }

::selection { background: var(--ink); color: var(--paper-bright); }

/* ---------- Type ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
}
h1 { font-size: clamp(3rem, 7.5vw, 6rem); font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-variation-settings: "opsz" 96, "WONK" 0; }
h3 { font-size: 1.35rem; font-variation-settings: "opsz" 48; }

em, .italic { font-style: italic; }
.display       { font-family: var(--font-display); }
.display-italic { font-family: var(--font-display); font-style: italic; font-variation-settings: "opsz" 144, "WONK" 1; }
.mono          { font-family: var(--font-mono); }
.tiny-caps {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.fine-print { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ash); letter-spacing: 0.04em; }

.text-red { color: var(--red); }
.text-ash { color: var(--ash); }

/* Reveal */
@keyframes fadeup { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.reveal     { animation: fadeup 0.75s cubic-bezier(.2,.7,.2,1) both; }
.reveal-1   { animation-delay: 0.04s; }
.reveal-2   { animation-delay: 0.14s; }
.reveal-3   { animation-delay: 0.26s; }
.reveal-4   { animation-delay: 0.40s; }
.reveal-5   { animation-delay: 0.55s; }

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: var(--rule);
  background: linear-gradient(180deg, var(--paper-bright), var(--paper));
}
.masthead-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.05rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 144, "WONK" 1;
  line-height: 1;
}
.brand-mark sup {
  font-style: normal;
  color: var(--red);
  font-size: 0.55em;
  vertical-align: super;
  margin-left: 0.05em;
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ash);
}

.masthead-nav {
  display: flex;
  gap: 1.6rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  font-variation-settings: "opsz" 96;
}
.masthead-nav a {
  color: var(--ash);
  text-decoration: none;
  position: relative;
  padding: 0.15rem 0;
  transition: color .25s;
}
.masthead-nav a:hover { color: var(--ink); }
.masthead-nav a.active {
  color: var(--ink);
}
.masthead-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--red);
}

.masthead-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}
.masthead-meta button {
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--ash);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}
.masthead-meta button:hover { color: var(--red); }

/* ---------- Container & sections ---------- */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem var(--gutter) 5rem;
}
.section { margin-top: 4rem; }
.section:first-child { margin-top: 0; }

.section-eyebrow {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  border-top: var(--rule);
  padding-top: 0.5rem;
  margin-bottom: 1rem;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
}
.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ash);
}
.section-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2rem, 4vw, 3rem);
  font-variation-settings: "opsz" 144, "WONK" 1;
  margin-bottom: 0.4rem;
  line-height: 1;
}
.section-lead {
  color: var(--ash);
  font-style: italic;
  font-size: 1.05rem;
  max-width: 38rem;
  margin: 0 0 1.75rem;
}

/* ---------- Forms ---------- */
.field { margin-bottom: 1.6rem; }
.field-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ash);
  display: block;
  margin-bottom: 0.5rem;
}
.input, .textarea, .select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  padding: 0.55rem 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--ink);
  outline: none;
  border-radius: 0;
  transition: border-color .25s;
}
.input:focus, .textarea:focus, .select:focus { border-bottom-color: var(--red); }
.input::placeholder, .textarea::placeholder { color: var(--ash-soft); font-style: italic; }
.textarea { resize: vertical; min-height: 5.5rem; line-height: 1.6; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2 4.5l4 4 4-4' stroke='%231a1612' fill='none' stroke-width='1.2'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.25rem center;
  padding-right: 1.5rem;
}
.input-file {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ash);
}
.input-file::file-selector-button {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-right: 0.75rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
  color: var(--ink);
  border-radius: 0;
  transition: background .2s, color .2s;
}
.input-file::file-selector-button:hover { background: var(--ink); color: var(--paper-bright); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  background: var(--ink);
  color: var(--paper-bright);
  border: 0;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  font-variation-settings: "opsz" 96;
  cursor: pointer;
  border-radius: 0;
  position: relative;
  text-decoration: none;
  transition: background .2s, color .2s, transform .12s;
}
.btn:hover { background: var(--red); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper-bright); }
.btn-red    { background: var(--red); }
.btn-red:hover { background: var(--red-deep); }
.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}
.btn-tiny {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  border-bottom: var(--rule);
  margin-bottom: 2rem;
}
.tab {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 0.85rem 0.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--ash);
  cursor: pointer;
  position: relative;
  border-radius: 0;
  transition: color .2s;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); }
.tab.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 3px;
  background: var(--red);
}

/* ---------- Tables ---------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}
.table thead th {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  text-align: left;
  padding: 0.7rem 1rem 0.7rem 0;
  border-bottom: var(--rule);
  font-weight: 400;
}
.table tbody td {
  padding: 1rem 1rem 1rem 0;
  border-bottom: 1px solid var(--rule-color);
  vertical-align: top;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: var(--paper-bright); }

/* ---------- Badge ---------- */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.22rem 0.55rem;
  border: 1px solid currentColor;
  line-height: 1;
}
.badge-paid    { color: var(--red); }
.badge-pending { color: var(--ink); }
.badge-mute    { color: var(--ash); }

/* ---------- Spread (login) ---------- */
.spread {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .spread { grid-template-columns: 1.25fr 1fr; }
}
.spread-feature {
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--paper-deep);
  position: relative;
  border-bottom: var(--rule);
  min-height: 60vh;
}
@media (min-width: 1024px) {
  .spread-feature { border-right: var(--rule); border-bottom: 0; min-height: 100vh; }
}
.spread-feature::before,
.spread-feature::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--ink);
}
.spread-feature::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.spread-feature::after  { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.spread-form {
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--paper);
}

.cover-issue {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.cover-headline {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 7rem);
  font-style: italic;
  line-height: 0.92;
  letter-spacing: -0.04em;
  font-variation-settings: "opsz" 144, "WONK" 1, "SOFT" 100;
  margin: 1.75rem 0 1.25rem;
}
.cover-headline .red { color: var(--red); font-style: italic; }
.cover-blurb {
  font-style: italic;
  font-size: 1.1rem;
  max-width: 28rem;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}
.cover-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  border-top: var(--rule);
  padding-top: 1rem;
}

/* ---------- Plans grid ---------- */
.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--ash-soft);
  border: var(--rule);
}
.plan {
  background: var(--paper);
  padding: 2rem 1.75rem 1.75rem;
  text-align: left;
  position: relative;
  transition: background .35s, color .35s;
  cursor: pointer;
  border: 0;
  font-family: inherit;
  text-align: left;
  width: 100%;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 240px;
}
.plan:hover, .plan:focus-visible {
  background: var(--ink);
  color: var(--paper-bright);
  outline: none;
}
.plan:hover .plan-price,
.plan:focus-visible .plan-price { color: var(--red-light); }
.plan:hover .plan-tag,
.plan:focus-visible .plan-tag,
.plan:hover .plan-credits,
.plan:focus-visible .plan-credits { color: var(--paper-deep); }
.plan-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ash);
  transition: color .35s;
}
.plan-price {
  font-family: var(--font-display);
  font-size: 4rem;
  font-style: italic;
  line-height: 1;
  margin: 1.25rem 0 0.5rem;
  font-variation-settings: "opsz" 144, "WONK" 1;
  color: var(--ink);
  transition: color .35s;
}
.plan-price .currency { font-size: 0.45em; vertical-align: super; margin-right: 0.05em; font-style: normal; }
.plan-credits {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--ink-soft);
  transition: color .35s;
}
.plan-cta {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* ---------- Banner ---------- */
.banner {
  border: 1px solid var(--red);
  background: var(--paper-bright);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  font-style: italic;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
}
.banner.hidden { display: none; }
.banner code { font-family: var(--font-mono); font-style: normal; font-size: 0.85rem; padding: 0.1rem 0.4rem; background: var(--paper-deep); }

/* ---------- Layouts (app) ---------- */
.compose {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (min-width: 960px) {
  .compose { grid-template-columns: 1.05fr 1fr; gap: 3rem; }
}

.canvas {
  aspect-ratio: 1;
  background: var(--paper-deep);
  border: var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: italic;
  color: var(--ash);
  position: relative;
  overflow: hidden;
  transition: aspect-ratio .25s ease;
}
.canvas a { display: block; width: 100%; line-height: 0; }
.canvas img { width: 100%; height: auto; display: block; }
.canvas::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed var(--ash-soft);
  pointer-events: none;
}
/* 一旦塞入图片，去掉 1:1 强制 + 装饰虚线，让 box 跟随图片比例 */
.canvas:has(img)        { aspect-ratio: auto; }
.canvas:has(img)::before { display: none; }
.canvas-hint {
  text-align: center;
  font-style: italic;
  padding: 1rem 1.5rem;
  font-size: 0.95rem;
}
.canvas-hint .tiny-caps { display: block; color: var(--red); margin-bottom: 0.4rem; }

/* ---------- Image grid ---------- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1px;
  background: var(--ash-soft);   /* 柔色分割线，最后一行不满时空白也不突兀 */
  border: var(--rule);
}
.image-cell {
  aspect-ratio: 1;
  background: var(--paper-deep);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.image-cell img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s, opacity .3s; }
.image-cell a { display: block; width: 100%; height: 100%; }
.image-cell:hover img { transform: scale(1.04); opacity: 0.85; }
.image-cell-empty {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

/* Empty state — used in place of .image-grid when there's nothing to show */
.empty-state {
  border: 1px dashed var(--rule-color);
  padding: 3.5rem 1.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ash);
  background: transparent;
}
.image-cell-caption {
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(180deg, transparent, rgba(26,22,18,.85));
  color: var(--paper-bright);
  font-size: 0.78rem;
  padding: 1.25rem 0.75rem 0.6rem;
  font-style: italic;
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
}
.image-cell:hover .image-cell-caption { opacity: 1; }

/* ---------- Cost pill ---------- */
.cost-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--rule-color);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}
.cost-line strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  font-weight: 400;
  font-variation-settings: "opsz" 96;
}

/* ---------- Admin layout helpers ---------- */
.kv-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.25rem;
}
.kv-row .input { font-family: var(--font-mono); font-size: 0.95rem; }
.kv-row textarea.input { min-height: 8rem; }

.toast {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 0.75rem;
  min-height: 1rem;
}
.toast.ok   { color: var(--red); }
.toast.err  { color: var(--red-deep); }

/* ---------- Footer ---------- */
.colophon {
  border-top: var(--rule);
  padding: 2.5rem var(--gutter);
  margin-top: 5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}
.colophon strong { color: var(--ink); font-weight: 400; letter-spacing: 0.22em; }

/* ---------- Misc ---------- */
.hidden { display: none !important; }
.row { display: flex; align-items: center; gap: 0.75rem; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 2rem; }

.inline-input {
  width: 6rem;
  padding: 0.3rem 0.5rem;
  background: transparent;
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
}
.inline-input:focus { border-color: var(--red); }

/* ==========================================================
   Mobile（≤ 720px）—— 顶栏堆叠、kv-row 换行、卡片精简
   ========================================================== */
@media (max-width: 720px) {

  /* 顶栏：brand 一行 / nav 一行 / 用户信息一行 */
  .masthead-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    padding: 0.85rem var(--gutter);
  }
  .masthead-nav {
    gap: 1.1rem;
    font-size: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .masthead-meta {
    gap: 0.85rem;
    justify-content: flex-start;
    font-size: 0.62rem;
  }
  .brand-mark { font-size: 1.4rem; }

  /* 容器内边距 */
  .container { padding: 2rem var(--gutter) 3rem; }
  .section { margin-top: 2.5rem; }

  /* admin 的 kv-row：保存按钮换到下方 */
  .kv-row {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .kv-row > button { justify-self: end; }

  /* 登录页 spread：上下分栏，封面少占点 */
  .spread-feature {
    min-height: 38vh;
    padding: 2rem 1.5rem;
  }
  .spread-form {
    padding: 2rem 1.5rem;
  }
  .cover-headline { font-size: clamp(2.6rem, 14vw, 4.5rem); }
  .cover-blurb    { font-size: 0.95rem; }

  /* 套餐卡：矮一点、字号收一收 */
  .plan {
    min-height: auto;
    padding: 1.4rem 1.25rem 1.25rem;
  }
  .plan-price { font-size: 3rem; margin: 0.6rem 0 0.3rem; }
  .plan-credits { font-size: 0.9rem; }

  /* 大标题在窄屏不要太大 */
  .section-title { font-size: clamp(1.7rem, 6vw, 2.2rem); }

  /* 表格：紧凑些 */
  .table { font-size: 0.85rem; }
  .table thead th { padding: 0.55rem 0.6rem 0.55rem 0; }
  .table tbody td { padding: 0.7rem 0.6rem 0.7rem 0; }

  /* image-grid：手机一行两张 */
  .image-grid { grid-template-columns: repeat(2, 1fr); }

  /* 输入框文字稍小，避免一些字段（如 url、key）撑出 */
  .input, .textarea, .select { font-size: 0.95rem; }

  /* footer 紧凑 */
  .colophon { padding: 1.5rem var(--gutter); margin-top: 3rem; gap: 0.5rem; }
}