/* =============================================================
   One0 AI · /manga/ AI 漫剧页
   核心能力卡 / 七步流程 / 14 画风墙 / 为创作者而生 / 双端入口
   （由原 landing 首页整体迁移，保持既有视觉与性能取舍）
   ============================================================= */

/* ============ 工具卡片网格 ============ */
.tools-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.tool-card {
  display: flex; flex-direction: column; position: relative;
  padding: 28px; border-radius: var(--radius);
  /* 原为半透明叠加 + backdrop-filter，滚动时每帧重算模糊开销大；
     现改为略提不透明度 + 去模糊，视觉几乎一致 */
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px -16px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s, box-shadow 0.35s, background 0.35s;
  overflow: hidden;
}
.tool-card:hover {
  transform: translateY(-6px);
  border-color: rgba(232, 145, 72, 0.55);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  box-shadow: 0 26px 56px -20px rgba(232, 145, 72, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.tool-card > * { position: relative; z-index: 1; }
.tool-icon {
  width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center;
  font-size: 28px; margin-bottom: 18px;
  box-shadow: 0 10px 24px -8px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.tool-card:hover .tool-icon { transform: scale(1.08) rotate(-3deg); }
.tool-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.tool-card p { font-size: 15px; color: var(--text-sub); line-height: 1.7; }
.tool-tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.tool-tags span {
  font-size: 12px; color: var(--brand-light); padding: 3px 11px; border-radius: 999px;
  background: rgba(232, 145, 72, 0.1); border: 1px solid rgba(232, 145, 72, 0.2);
}
.tool-more {
  margin-top: auto; padding-top: 18px;
  font-size: 14.5px; font-weight: 700; color: var(--brand);
  display: inline-flex; align-items: center; gap: 4px;
  transition: gap 0.25s, color 0.25s;
}
.tool-card:hover .tool-more { gap: 9px; color: var(--brand-light); }

/* ============ 七步流程（复用 base.css 的 .steps / .step） ============ */
.step .ico { font-size: 30px; line-height: 1; margin: 6px 0 2px; }

/* ============ 画风预设墙 ============ */
.style-wall-band {
  border-radius: 24px; padding: 32px 24px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.style-showcase { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: stretch; }
@media (min-width: 768px) {
  .style-showcase { grid-template-columns: minmax(240px, 300px) 1fr; gap: 28px; }
}
@media (min-width: 1024px) {
  .style-showcase { grid-template-columns: minmax(260px, 320px) 1fr; gap: 32px; }
}

.style-preview-wrap { width: 100%; max-width: 320px; margin: 0 auto; }
@media (min-width: 768px) { .style-preview-wrap { margin: 0; } }

.style-preview-card {
  aspect-ratio: 3 / 4; border-radius: 20px; position: relative; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(232, 145, 72, 0.18);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #fb923c, #fb7185);
  transition: background 0.4s ease;
}
.style-preview-cover { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: none; z-index: 0; }
.style-preview-cover-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0) 38%, rgba(0, 0, 0, 0.45) 100%);
  pointer-events: none; z-index: 1;
}
.style-ai-tag {
  position: absolute; top: 12px; left: 12px; z-index: 3;
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: rgba(0, 0, 0, 0.68); color: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.style-preview-footer {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 20px 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75)); z-index: 2;
}
.style-preview-label { display: block; font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 4px; }
.style-preview-sample { display: block; font-size: 13px; color: rgba(255, 255, 255, 0.8); line-height: 1.4; }

.style-panel-right { display: flex; flex-direction: column; gap: 10px; min-height: 100%; }
.style-categories { display: flex; flex-wrap: wrap; gap: 6px; }
.style-category-tab {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  color: var(--text-sub); background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border); cursor: pointer; transition: all 0.25s ease; font-family: inherit;
}
.style-category-tab:hover { border-color: rgba(232, 145, 72, 0.4); color: var(--text); }
.style-category-tab-active { color: var(--brand-light); border-color: rgba(232, 145, 72, 0.5); background: rgba(232, 145, 72, 0.12); }
.style-category-count {
  font-size: 10px; font-weight: 700; padding: 0 5px; border-radius: 999px;
  background: rgba(232, 145, 72, 0.16); color: var(--brand-light);
}
.style-category-tab-active .style-category-count { background: rgba(232, 145, 72, 0.28); }

.style-detail { padding: 12px 14px; border-radius: 12px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border); }
.style-detail-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.style-detail-emoji { font-size: 25px; line-height: 1; flex-shrink: 0; }
.style-detail-head-text { min-width: 0; }
.style-detail-title { font-size: 15.5px; font-weight: 800; color: var(--text); margin-bottom: 2px; }
.style-detail-desc { font-size: 12px; color: var(--text-sub); line-height: 1.4; }
.style-detail-prompt {
  display: flex; align-items: flex-start; gap: 6px;
  padding: 7px 10px; border-radius: 8px;
  background: rgba(232, 145, 72, 0.08); border: 1px solid rgba(232, 145, 72, 0.14);
  font-size: 12px; color: var(--text-sub); line-height: 1.45; margin-bottom: 10px; font-style: italic;
}
.style-detail-meta { display: flex; flex-wrap: wrap; gap: 5px; }
.style-detail-tag {
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px;
  color: var(--brand-light); background: rgba(232, 145, 72, 0.12); border: 1px solid rgba(232, 145, 72, 0.22);
}
.style-detail-trait {
  font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 999px;
  color: var(--text-muted); background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border);
}

.style-compare { padding: 10px 12px; border-radius: 10px; background: rgba(232, 145, 72, 0.05); border: 1px dashed rgba(232, 145, 72, 0.22); }
.style-compare-label { font-size: 11px; font-weight: 600; color: var(--text-muted); margin-bottom: 7px; }
.style-compare-strip { display: flex; gap: 6px; }
.style-compare-item {
  flex: 1; min-width: 0; height: 44px; border-radius: 8px; overflow: hidden; cursor: pointer;
  border: 1.5px solid transparent; transition: all 0.2s ease;
  display: flex; align-items: center; justify-content: center; gap: 4px; padding: 0 4px; font-family: inherit;
}
.style-compare-item:hover { transform: translateY(-1px); }
.style-compare-item-active { border-color: rgba(232, 145, 72, 0.8); box-shadow: 0 0 0 1px rgba(232, 145, 72, 0.25); }
.style-compare-emoji { font-size: 18px; line-height: 1; flex-shrink: 0; }
.style-compare-name {
  font-size: 10px; font-weight: 700; color: #fff; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
}

.style-grid { display: flex; flex-wrap: wrap; gap: 6px; align-content: flex-start; }
.style-grid-card {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 10px 4px 4px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border);
  cursor: pointer; transition: all 0.22s ease; text-align: left; font-family: inherit;
}
.style-grid-card:hover { border-color: rgba(232, 145, 72, 0.4); transform: translateY(-1px); }
.style-grid-card-active {
  border-color: rgba(232, 145, 72, 0.55); background: rgba(232, 145, 72, 0.1);
  box-shadow: 0 2px 10px -4px rgba(232, 145, 72, 0.4);
}
.style-grid-thumb { width: 26px; height: 26px; border-radius: 7px; flex-shrink: 0; display: grid; place-items: center; overflow: hidden; }
.style-grid-emoji { font-size: 15.5px; line-height: 1; }
.style-grid-label { font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; }
.style-grid-card-active .style-grid-label { color: var(--brand-light); }

@media (max-width: 760px) {
  .style-wall-band { padding: 22px 16px; border-radius: 18px; }
  .style-showcase { gap: 18px; }
  .style-preview-wrap { max-width: 240px; }
}

/* ============ 为创作者而生 ============ */
.features-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.feature-card {
  flex: 1 1 160px; max-width: 220px; padding: 24px 20px; border-radius: 16px; text-align: center;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.25s ease;
}
.feature-card:hover {
  border-color: rgba(232, 145, 72, 0.35); transform: translateY(-2px);
  box-shadow: 0 8px 24px -8px rgba(232, 145, 72, 0.2);
}
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  color: #fff; margin: 0 auto 14px; box-shadow: 0 6px 16px -6px rgba(0, 0, 0, 0.35);
}
.feature-icon svg { width: 22px; height: 22px; display: block; }
.feature-title { font-size: 15.5px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.feature-desc { font-size: 13.5px; color: var(--text-sub); line-height: 1.5; }

/* ============ 双端入口 ============ */
.access { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); align-items: stretch; }
.access-card {
  padding: 40px 30px; border-radius: 22px; text-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  background: linear-gradient(160deg, rgba(232, 145, 72, 0.18), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s, box-shadow 0.3s;
}
.access-card:hover { transform: translateY(-4px); border-color: rgba(232, 145, 72, 0.45); box-shadow: 0 24px 54px -24px rgba(232, 145, 72, 0.5); }
.access-card h3 { font-size: 21px; font-weight: 800; }
.access-card p { font-size: 15px; color: var(--text-sub); }