/* =============================================================================
 * jkpos AI 官网 · 首页样式
 * hero 背景复刻桌面端登录页渐变与漂移柔光；应用窗口 mockup / 3D 卡片全部
 * 用纯 CSS 重绘应用界面，颜色 token 与桌面端逐值一致。
 * ========================================================================== */

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 108px;
  background:
    radial-gradient(85% 75% at 90% 80%, rgba(250, 243, 210, 0.6), rgba(250, 243, 210, 0) 68%),
    radial-gradient(70% 60% at 6% 10%, rgba(217, 240, 250, 0.55), rgba(217, 240, 250, 0) 70%),
    linear-gradient(102deg, #f2fafd 0%, #f5fafc 52%, #fbf9f0 100%);
}

:root[data-theme="dark"] .hero {
  background:
    radial-gradient(80% 70% at 92% 85%, rgba(224, 176, 96, 0.07), transparent 65%),
    radial-gradient(70% 60% at 8% 8%, rgba(74, 165, 240, 0.11), transparent 68%),
    linear-gradient(102deg, #171a1e 0%, #191919 55%, #1c1a16 100%);
}

/* 两团缓慢漂移的柔光（登录页同款编排） */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  width: 58vmax;
  height: 58vmax;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.hero::before {
  left: -20vmax;
  top: -24vmax;
  background: radial-gradient(circle, rgba(166, 209, 242, 0.28), rgba(166, 209, 242, 0) 65%);
  animation: hero-drift-a 17s ease-in-out infinite alternate;
}

.hero::after {
  right: -22vmax;
  bottom: -26vmax;
  background: radial-gradient(circle, rgba(246, 228, 160, 0.26), rgba(246, 228, 160, 0) 65%);
  animation: hero-drift-b 21s ease-in-out infinite alternate;
}

:root[data-theme="dark"] .hero::before {
  background: radial-gradient(circle, rgba(74, 165, 240, 0.12), transparent 65%);
}

:root[data-theme="dark"] .hero::after {
  background: radial-gradient(circle, rgba(224, 176, 96, 0.09), transparent 65%);
}

@keyframes hero-drift-a {
  to {
    transform: translate(7vmax, 5vmax) scale(1.18);
  }
}

@keyframes hero-drift-b {
  to {
    transform: translate(-6vmax, -5vmax) scale(1.12);
  }
}

/* MiniMax 风格抽象视觉：亮色 hero 的玻璃丝带背景（暗色主题隐藏，走原渐变） */
.hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  pointer-events: none;
}

:root[data-theme="dark"] .hero-art {
  display: none;
}

.hero .wrap {
  position: relative;
  z-index: 1;
}

.hero-top {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--hero-ink) 14%, transparent);
  background: color-mix(in srgb, var(--bg-app) 55%, transparent);
  font-size: 12.5px;
  font-weight: 550;
  color: var(--text-secondary);
  margin-bottom: 26px;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.hero h1 {
  font-size: 54px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.16;
  color: var(--hero-ink);
}

.hero h1 .hl {
  background: linear-gradient(100deg, #2f6f9f 10%, #7db1d6 45%, #2f6f9f 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

:root[data-theme="dark"] .hero h1 .hl {
  background-image: linear-gradient(100deg, #5da8e8 10%, #9cd0f7 45%, #5da8e8 80%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-sub {
  margin: 20px auto 0;
  max-width: 620px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.hero-ctas {
  margin-top: 34px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 22px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- 应用窗口 mockup（3D 舞台） ---------- */

.hero-stage {
  margin-top: 64px;
  perspective: 1600px;
}

.appwin {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-app);
  overflow: hidden;
  box-shadow:
    0 40px 90px -32px rgba(15, 30, 45, 0.35),
    0 8px 28px rgba(15, 30, 45, 0.12);
  transform-style: preserve-3d;
  will-change: transform;
}

:root[data-theme="dark"] .appwin {
  box-shadow:
    0 40px 90px -32px rgba(0, 0, 0, 0.7),
    0 8px 28px rgba(0, 0, 0, 0.45);
}

/* 光泽层：指针跟随高光 */
.tilt-glare {
  position: absolute;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    420px circle at var(--gx, 50%) var(--gy, 50%),
    rgba(255, 255, 255, 0.14),
    transparent 62%
  );
  transition: opacity 0.25s;
}

.tilt:hover .tilt-glare {
  opacity: 1;
}

:root[data-theme="dark"] .tilt-glare {
  background: radial-gradient(
    420px circle at var(--gx, 50%) var(--gy, 50%),
    rgba(255, 255, 255, 0.08),
    transparent 62%
  );
}

/* 标题栏 */
.aw-titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  padding: 0 12px;
  background: var(--bg-titlebar);
  border-bottom: 1px solid var(--border);
  font-size: 11.5px;
}

.aw-logo {
  width: 19px;
  height: 19px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #2d2d2d, #0f0f0f);
  color: #fff;
  font-size: 8.5px;
  font-weight: 700;
}

:root[data-theme="dark"] .aw-logo {
  background: linear-gradient(145deg, #f4f4f4, #d8d8d8);
  color: #141414;
}

.aw-modes {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border-radius: 7px;
  background: var(--bg-active);
}

.aw-modes b {
  padding: 2px 10px;
  border-radius: 5px;
  font-weight: 500;
  color: var(--text-muted);
}

.aw-modes b.on {
  background: var(--bg-app);
  color: var(--text-strong);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.aw-title {
  flex: 1;
  text-align: center;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.aw-winbtns {
  display: inline-flex;
  gap: 14px;
  color: var(--text-muted);
}

.aw-winbtns i {
  width: 10px;
  height: 10px;
  position: relative;
}

.aw-winbtns i::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid currentColor;
  opacity: 0.75;
}

.aw-winbtns i:first-child::before {
  border-width: 0 0 1px;
  top: 4px;
}

.aw-winbtns i:last-child::before {
  border-width: 0;
  background:
    linear-gradient(45deg, transparent 44%, currentColor 44%, currentColor 56%, transparent 56%),
    linear-gradient(-45deg, transparent 44%, currentColor 44%, currentColor 56%, transparent 56%);
}

/* 主体三栏 */
.aw-body {
  display: grid;
  grid-template-columns: 44px 168px 1fr 300px;
  height: 430px;
  font-size: 11.5px;
}

/* 活动栏 */
.aw-activity {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  color: var(--text-muted);
}

.aw-activity i {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.aw-activity i.on {
  background: var(--bg-active);
  color: var(--text-strong);
}

.aw-activity .gap {
  flex: 1;
}

/* 文件树 */
.aw-tree {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 8px 0;
  overflow: hidden;
}

.aw-tree-head {
  padding: 2px 12px 8px;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.aw-tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.aw-tree-row .icon {
  color: var(--text-muted);
}

.aw-tree-row.dep1 { padding-left: 26px; }
.aw-tree-row.dep2 { padding-left: 40px; }

.aw-tree-row.on {
  background: var(--bg-selected);
  color: var(--text-strong);
}

.aw-tree-row .mod {
  margin-left: auto;
  color: var(--yellow);
  font-size: 10px;
}

.aw-tree-row .add {
  margin-left: auto;
  color: var(--green);
  font-size: 10px;
}

/* 编辑器 */
.aw-editor {
  display: flex;
  flex-direction: column;
  background: var(--bg-editor);
  border-right: 1px solid var(--border);
  min-width: 0;
}

.aw-tabs {
  display: flex;
  align-items: stretch;
  height: 30px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
}

.aw-tabs b {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  border-right: 1px solid var(--border);
  color: var(--text-muted);
  font-weight: 500;
  font-family: var(--font-mono);
}

.aw-tabs b.on {
  background: var(--bg-editor);
  color: var(--text-primary);
  box-shadow: inset 0 1.5px 0 var(--accent);
}

.aw-code {
  flex: 1;
  margin: 0;
  padding: 12px 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.75;
  counter-reset: ln;
}

.aw-code .ln {
  display: block;
  padding: 0 14px 0 0;
  white-space: pre;
}

.aw-code .ln::before {
  counter-increment: ln;
  content: counter(ln);
  display: inline-block;
  width: 34px;
  margin-right: 14px;
  text-align: right;
  color: var(--text-faint);
}

/* 语法配色：与桌面端 hljs（Anysphere Light/Dark）同源 */
.aw-code .kw { color: #b3003f; }
.aw-code .st { color: #9e94d5; }
.aw-code .fn { color: #206595; }
.aw-code .ty { color: #206595; }
.aw-code .pr { color: #6049b3; }
.aw-code .nb { color: #b8448b; }
.aw-code .cm { color: #606060; font-style: italic; }

:root[data-theme="dark"] .aw-code .kw { color: #83d6c5; }
:root[data-theme="dark"] .aw-code .st { color: #e394dc; }
:root[data-theme="dark"] .aw-code .fn { color: #efb080; }
:root[data-theme="dark"] .aw-code .ty { color: #87c3ff; }
:root[data-theme="dark"] .aw-code .pr { color: #aaa0fa; }
:root[data-theme="dark"] .aw-code .nb { color: #ebc88d; }
:root[data-theme="dark"] .aw-code .cm { color: #6d6d6d; }

.aw-status {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 24px;
  padding: 0 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-titlebar);
  color: var(--text-muted);
  font-size: 10px;
}

.aw-status .ok {
  color: var(--green);
}

/* 聊天面板 */
.aw-chat {
  display: flex;
  flex-direction: column;
  background: var(--bg-chat, var(--bg-app));
  min-width: 0;
}

.aw-chat-head {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.aw-model {
  margin-left: auto;
  font-weight: 500;
  font-size: 10px;
  color: var(--text-muted);
  padding: 1px 7px;
  border-radius: 5px;
  background: var(--bg-active);
  font-family: var(--font-mono);
}

.aw-chat-body {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.aw-msg-user {
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-card);
  padding: 8px 10px;
  color: var(--text-primary);
  font-size: 11.5px;
  line-height: 1.6;
}

.aw-msg-ai {
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--text-primary);
}

.aw-msg-ai p {
  margin: 0 0 8px;
}

.aw-tool {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  margin: 4px 0;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 10.5px;
  font-family: var(--font-mono);
}

.aw-tool .tick {
  color: var(--green);
  font-weight: 700;
}

.aw-tool .spin {
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: aw-spin 0.8s linear infinite;
}

@keyframes aw-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Generating shimmer（应用同款扫光） */
.aw-gen {
  font-size: 10.5px;
  background: linear-gradient(
    100deg,
    var(--text-muted) 20%,
    var(--text-strong) 50%,
    var(--text-muted) 80%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: aw-shimmer 2s linear infinite;
}

@keyframes aw-shimmer {
  from {
    background-position: 200% 0;
  }
  to {
    background-position: -200% 0;
  }
}

.aw-chat-input {
  margin: 0 12px 12px;
  border: 1px solid var(--border-light);
  border-radius: 9px;
  background: var(--bg-input);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 11px;
}

.aw-chat-input .send {
  margin-left: auto;
  padding: 3px 11px;
  border-radius: 6px;
  background: var(--btn-pri-bg);
  color: var(--btn-pri-fg);
  font-size: 10.5px;
  font-weight: 600;
}

/* ---------- 三大模式（办公模式近黑高级感面板） ---------- */

.modes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.mode-card {
  position: relative;
  border-radius: var(--of-r-lg);
  padding: 30px 28px 26px;
  background:
    radial-gradient(120% 200% at 100% 0%, rgba(255, 255, 255, 0.14), transparent 55%),
    linear-gradient(160deg, #1b1b20, #101014);
  color: #f4f4f6;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

:root[data-theme="dark"] .mode-card {
  background:
    radial-gradient(120% 200% at 100% 0%, rgba(255, 255, 255, 0.1), transparent 55%),
    linear-gradient(160deg, #232329, #17171b);
  border-color: rgba(255, 255, 255, 0.08);
}

.mode-card .mode-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.42);
}

.mode-card h3 {
  margin-top: 10px;
  font-size: 21px;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.mode-card .mode-desc {
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.68);
  min-height: 68px;
}

.mode-card ul {
  margin-top: 16px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.mode-card li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.82);
}

.mode-card li::before {
  content: "";
  flex: none;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: translateY(-2.5px);
}

/* ---------- 功能矩阵 ---------- */

.feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--of-r-lg);
  overflow: hidden;
  background: var(--bg-card);
}

.feat-cell {
  padding: 26px 24px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.feat-cell:nth-child(4n) {
  border-right: none;
}

.feat-cell:nth-last-child(-n + 4) {
  border-bottom: none;
}

.feat-cell:hover {
  background: var(--bg-hover);
}

.feat-cell .icon {
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.feat-cell h4 {
  font-size: 14.5px;
  font-weight: 650;
  color: var(--text-strong);
  margin-bottom: 6px;
}

.feat-cell p {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 3D 卡片预览 ---------- */

.preview-sec {
  overflow: hidden;
}

.cards3d {
  perspective: 1400px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.pcard {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--bg-app);
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
  box-shadow: 0 18px 44px -22px rgba(15, 30, 45, 0.28);
  opacity: 0;
  transform: rotateX(14deg) translateY(46px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="dark"] .pcard {
  box-shadow: 0 18px 44px -20px rgba(0, 0, 0, 0.65);
}

.cards3d.in .pcard {
  opacity: 1;
  transform: none;
}

.cards3d.in .pcard:nth-child(2) { transition-delay: 0.07s; }
.cards3d.in .pcard:nth-child(3) { transition-delay: 0.14s; }
.cards3d.in .pcard:nth-child(4) { transition-delay: 0.21s; }
.cards3d.in .pcard:nth-child(5) { transition-delay: 0.28s; }
.cards3d.in .pcard:nth-child(6) { transition-delay: 0.35s; }

/* hover 由 JS tilt 接管（.tilt），此处仅边框反馈 */
.pcard:hover {
  border-color: var(--border-light);
}

.pcard-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-titlebar);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.pcard-bar .icon {
  color: var(--text-muted);
}

.pcard-bar .pcard-tag {
  margin-left: auto;
  font-size: 10px;
  font-weight: 550;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--bg-active);
  color: var(--text-muted);
}

.pcard-body {
  height: 218px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
  transform: translateZ(24px);
}

/* --- mock kit：卡片内部通用积木 --- */

.mk-line {
  height: 8px;
  border-radius: 4px;
  background: var(--bg-active);
}

.mk-line.w40 { width: 40%; }
.mk-line.w55 { width: 55%; }
.mk-line.w70 { width: 70%; }
.mk-line.w85 { width: 85%; }

.mk-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mk-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 10.5px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.mk-chip.acc {
  border-color: transparent;
  background: var(--accent-dim);
  color: var(--accent);
}

.mk-bubble-u {
  align-self: flex-end;
  max-width: 78%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 9px;
  padding: 6px 9px;
  font-size: 11px;
  color: var(--text-primary);
}

.mk-bubble-a {
  align-self: flex-start;
  max-width: 86%;
  font-size: 11px;
  line-height: 1.65;
  color: var(--text-primary);
}

.mk-kanban {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  min-height: 0;
}

.mk-col {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
  padding: 7px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
}

.mk-col-head {
  font-size: 10px;
  font-weight: 650;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.mk-task {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-app);
  padding: 5px 7px;
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.mk-task .who {
  display: block;
  margin-top: 3px;
  font-size: 9px;
  color: var(--text-faint);
}

.mk-bars {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 7px;
  padding: 4px 2px 0;
}

.mk-bars i {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: color-mix(in srgb, var(--accent) 32%, var(--bg-active));
}

.mk-bars i.hi {
  background: var(--accent);
}

.mk-srv {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg-card);
  padding: 6px 9px;
  font-size: 10.5px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.mk-srv .st-ok {
  margin-left: auto;
  color: var(--green);
  font-size: 9.5px;
}

.mk-auto {
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  padding: 7px 10px;
  font-size: 10.5px;
  color: var(--text-secondary);
}

.mk-auto .when {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-muted);
  flex: none;
}

.mk-auto .st {
  margin-left: auto;
  flex: none;
  font-size: 9.5px;
  padding: 1px 7px;
  border-radius: 999px;
}

.mk-auto .st.ok {
  color: var(--green);
  background: var(--green-soft);
}

.mk-auto .st.run {
  color: var(--accent);
  background: var(--accent-dim);
}

/* CAD 网格画布 */
.mk-cad {
  flex: 1;
  position: relative;
  border: 1px solid var(--border);
  border-radius: 8px;
  background:
    linear-gradient(var(--bg-active) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, var(--bg-active) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--bg-panel);
  overflow: hidden;
}

.mk-cad .shape {
  position: absolute;
  border: 1.5px solid var(--accent);
  border-radius: 2px;
}

.mk-cad .shape.circle {
  border-radius: 50%;
}

.mk-cad .dim {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
}

/* 商品卡（与商城 trade-card 同构，缩小版） */
.mk-prod {
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  background: var(--bg-app);
}

.mk-prod-cover {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(90% 140% at 85% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    var(--bg-active);
  color: var(--text-muted);
}

.mk-prod-body {
  padding: 8px 10px 9px;
}

.mk-prod-title {
  font-size: 11px;
  font-weight: 650;
  color: var(--text-strong);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mk-prod-meta {
  margin-top: 3px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 9.5px;
  color: var(--text-faint);
}

.mk-prod-meta .price {
  color: var(--red);
  font-weight: 650;
  font-size: 12px;
}

.mk-stars {
  color: #e5a33c;
  font-size: 9px;
  letter-spacing: 1px;
}

/* ---------- 商城引流横幅（trade-hero 同款） ---------- */

.mallband {
  display: flex;
  align-items: center;
  gap: 40px;
  border-radius: var(--of-r-lg);
  padding: 46px 48px;
  background:
    linear-gradient(100deg, rgba(16, 16, 20, 0.92) 30%, rgba(16, 16, 20, 0.45) 100%),
    url("../img/band-art-dark.webp") right center / cover no-repeat,
    #101014;
  color: #fff;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.mallband-text {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.mallband-text .eyebrow {
  color: rgba(255, 255, 255, 0.55);
}

.mallband-text .eyebrow::before {
  background: rgba(255, 255, 255, 0.35);
}

.mallband-text h2 {
  font-size: 30px;
  font-weight: 750;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.mallband-text p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
  max-width: 460px;
}

.mallband-ctas {
  margin-top: 26px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mallband .btn-ondark {
  background: #fff;
  color: #111114;
  border-radius: 999px;
  height: 40px;
  padding: 0 22px;
  font-weight: 650;
}

.mallband .btn-ondark:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.45);
}

.mallband .btn-ghostdark {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  height: 40px;
  padding: 0 22px;
}

.mallband .btn-ghostdark:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* 右侧悬浮商品卡堆 */
.mallband-cards {
  flex-shrink: 0;
  width: 320px;
  position: relative;
  height: 240px;
  perspective: 900px;
}

.mallband-cards .mk-prod {
  position: absolute;
  width: 210px;
  box-shadow: 0 24px 48px -20px rgba(0, 0, 0, 0.55);
}

.mallband-cards .mk-prod:nth-child(1) {
  top: 0;
  right: 96px;
  transform: rotateY(-14deg) rotateX(6deg) translateZ(0);
  z-index: 1;
  opacity: 0.85;
}

.mallband-cards .mk-prod:nth-child(2) {
  top: 54px;
  right: 0;
  transform: rotateY(-10deg) rotateX(4deg) translateZ(40px);
  z-index: 2;
}

/* ---------- 下载区 ---------- */

.dl-panel {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  border: 1px solid var(--border);
  border-radius: var(--of-r-lg);
  background: var(--bg-card);
  padding: 46px 48px;
  align-items: center;
}

.dl-title {
  font-size: 27px;
  font-weight: 750;
  letter-spacing: -0.015em;
  color: var(--text-strong);
}

.dl-desc {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.dl-ctas {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.dl-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.dl-specs {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--of-r-md);
  background: var(--bg-app);
  overflow: hidden;
}

.dl-spec {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px;
  font-size: 13px;
}

.dl-spec + .dl-spec {
  border-top: 1px solid var(--border);
}

.dl-spec span {
  color: var(--text-muted);
}

.dl-spec b {
  font-weight: 550;
  color: var(--text-primary);
  text-align: right;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1020px) {
  .aw-body {
    grid-template-columns: 44px 1fr 280px;
  }

  .aw-tree {
    display: none;
  }

  .cards3d {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .feat-cell:nth-child(4n) {
    border-right: 1px solid var(--border);
  }

  .feat-cell:nth-child(2n) {
    border-right: none;
  }

  .feat-cell:nth-last-child(-n + 4) {
    border-bottom: 1px solid var(--border);
  }

  .feat-cell:nth-last-child(-n + 2) {
    border-bottom: none;
  }

  .modes-grid {
    grid-template-columns: 1fr;
  }

  .mode-card .mode-desc {
    min-height: 0;
  }

  .mallband {
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
  }

  .mallband-cards {
    width: 100%;
    height: 220px;
  }

  .mallband-cards .mk-prod:nth-child(1) {
    right: auto;
    left: 0;
  }

  .mallband-cards .mk-prod:nth-child(2) {
    right: auto;
    left: 150px;
  }

  .dl-panel {
    grid-template-columns: 1fr;
    padding: 34px 30px;
  }
}

@media (max-width: 760px) {
  .hero {
    padding: 64px 0 72px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-sub {
    font-size: 14.5px;
  }

  .aw-body {
    grid-template-columns: 1fr;
    height: auto;
  }

  .aw-activity,
  .aw-editor {
    display: none;
  }

  .aw-chat {
    border-right: none;
  }

  .cards3d {
    grid-template-columns: 1fr;
  }

  .feat-grid {
    grid-template-columns: 1fr;
  }

  .feat-cell {
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
  }

  .feat-cell:last-child {
    border-bottom: none !important;
  }

  .mallband {
    padding: 32px 26px;
  }

  .mallband-text h2 {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero::before,
  .hero::after {
    animation: none;
  }

  .pcard {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .aw-gen,
  .aw-tool .spin {
    animation: none;
  }
}