/* ===== 算法任务管理平台 · 白色大疆官网风格 ===== */
:root {
  --bg: #FFFFFF;
  --bg-panel: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-hover: #F5F5F7;
  --border: #E8E8ED;
  --text: #1D1D1F;
  --text-dim: #6E6E73;
  --text-faint: #A1A1A6;
  --primary: #FF6B1A;
  --primary-dark: #E05E12;
  --blue: #0066CC;
  --green: #2ECC71;
  --red: #E74C3C;
  --yellow: #FFB300;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 14px;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }
.empty { color: var(--text-faint); text-align: center; padding: 24px; }

/* ===== 顶栏 ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 42px;
  height: 60px;
  padding: 0 28px;
  background: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 34px; height: 34px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
}
.brand-title { font-size: 16px; font-weight: 600; }
.brand-sub { font-size: 11px; color: var(--text-dim); }
.nav { display: flex; gap: 2px; height: 100%; align-items: center; }
.nav-item {
  position: relative;
  padding: 6px 16px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  transition: color .15s;
}
.nav-item::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -9px;
  transform: translateX(-50%);
  width: 0; height: 2px;
  border-radius: 1px;
  background: #86868B;
  transition: width .2s ease;
}
.nav-item:hover { color: var(--text); background: none; }
.nav-item:hover::after { width: 72%; }
.nav-item.active { color: var(--text); font-weight: 400; background: none; }
.nav-item.active::after { width: 72%; }
.engine-badge {
  font-size: 12px;
  color: var(--green);
  border: 1px solid rgba(46,204,113,.4);
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(46,204,113,.08);
}

/* ===== 内容区 ===== */
.content { padding: 20px 20px 0; max-width: 1280px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; flex: 1 0 auto; }

/* ===== 按钮 ===== */
.btn {
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: #0071E3; color: #fff; border-radius: 24px; padding: 10px 26px; font-size: 14px; }
.btn-primary:hover:not(:disabled) { background: #0077ED; }
.btn-link {
  background: none; border: none; padding: 10px 6px;
  color: #0071E3; font-size: 14px; cursor: pointer;
  font-family: inherit; letter-spacing: .2px;
}
.btn-link:hover { text-decoration: underline; }
.btn-ghost {
  background: #FFFFFF;
  color: var(--text);
  border: 1px solid #D2D2D7;
}
.btn-ghost:hover { background: #F5F5F7; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 11px 28px; font-size: 15px; }

/* ===== 首页 ===== */
.hero {
  background: linear-gradient(180deg, #F7F7F9 0%, #FFFFFF 100%);
  border: none;
  border-radius: 0;
  padding: 56px 32px 44px;
  margin-bottom: 4px;
  text-align: center;
}
.hero h1 { font-size: 34px; font-weight: 700; letter-spacing: .5px; margin-bottom: 14px; }
.hero p { color: var(--text-dim); font-size: 15px; line-height: 1.8; max-width: 760px; margin: 0 auto 30px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; }
.hero-badge {
  display: inline-block; font-size: 12px; color: var(--primary);
  background: rgba(255,107,26,.08); border-radius: 20px; padding: 5px 14px; margin-bottom: 18px;
  letter-spacing: .5px;
}
.hero-points {
  display: flex; justify-content: center; gap: 12px;
  margin-top: 36px; flex-wrap: wrap;
}
.hero-point {
  background: #F5F5F7;
  border-radius: 14px;
  padding: 16px 24px;
  text-align: center;
  min-width: 132px;
}
.hero-point b { display: block; font-size: 20px; font-weight: 700; color: var(--text); }
.hero-point span { font-size: 12px; color: var(--text-dim); }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  text-align: center;
}
.stat-num { font-size: 30px; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--text-dim); margin-top: 4px; font-size: 12px; }

.panel {
  background: transparent;
  border: none;
  border-radius: 0;
  margin-bottom: 8px;
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 4px 16px;
  border-bottom: none;
  font-weight: 700;
  font-size: 21px;
  letter-spacing: .3px;
}
.panel-body { padding: 16px; }

/* ===== 任务列表 ===== */
.task-list { padding: 4px 0; }
.task-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .15s;
}
.task-card:hover { background: var(--bg-hover); }
.task-card:last-child { border-bottom: none; }
.task-status {
  width: 78px;
  text-align: center;
  font-size: 12px;
  padding: 4px 0;
  border-radius: 4px;
  flex-shrink: 0;
}
.task-status.queued { color: var(--blue); background: rgba(79,195,247,.1); }
.task-status.running { color: var(--yellow); background: rgba(255,179,0,.1); }
.task-status.done { color: var(--green); background: rgba(46,204,113,.1); }
.task-status.failed { color: var(--red); background: rgba(231,76,60,.1); }
.task-status.cancelled { color: var(--text-faint); background: rgba(90,100,114,.15); }
.task-main { flex: 1; min-width: 0; }
.task-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-meta { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.task-progress { width: 180px; flex-shrink: 0; }
.progress-bar {
  height: 6px;
  background: var(--bg-hover);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width .3s;
}
.task-defects { font-size: 12px; color: var(--primary); flex-shrink: 0; }
.task-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* ===== 工作台 ===== */
.wb-row { display: flex; gap: 20px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.wb-row.end { justify-content: flex-end; align-items: flex-end; }
.wb-block { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.wb-block.grow { flex: 1; }
.wb-block label { font-size: 12px; color: var(--text-dim); }
.select, .input, .input-sm {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.select:focus, .input:focus, .input-sm:focus { border-color: var(--primary); }
.input { width: 280px; }
.input-sm { width: 90px; }
.select { min-width: 220px; }
option { background: var(--bg-card); color: var(--text); }

.seg { display: inline-flex; border-radius: 6px; overflow: hidden; border: 1px solid var(--border); }
.seg-item {
  padding: 8px 18px;
  background: var(--bg-card);
  color: var(--text-dim);
  cursor: pointer;
  border: none;
  font-size: 13px;
  font-family: inherit;
}
.seg-item.active { background: rgba(255,107,26,.15); color: var(--primary); font-weight: 600; }
.video-opts { display: flex; gap: 16px; align-items: center; }
.video-opts label { display: flex; align-items: center; gap: 6px; }

.algo-info {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.7;
  border-left: 3px solid var(--primary);
  padding-left: 10px;
  background: rgba(255,107,26,.05);
  border-radius: 0 6px 6px 0;
  max-width: 560px;
}
.algo-info .ok { color: var(--green); }
.algo-info .no { color: var(--red); }

.file-tools { display: flex; gap: 10px; }
.pick-tip { font-size: 11px; color: var(--text-faint); }
.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: 8px;
  min-height: 120px;
  padding: 10px;
  background: rgba(28,34,42,.5);
  transition: all .15s;
}
.dropzone.drag { border-color: var(--primary); background: rgba(255,107,26,.06); }
.picked { display: flex; flex-wrap: wrap; gap: 8px; }
.picked-file {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  max-width: 260px;
}
.picked-file .fname { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.picked-file .fkind { color: var(--text-faint); font-size: 11px; }
.picked-file .fdel { color: var(--red); cursor: pointer; font-weight: bold; }

/* ===== 文件选择弹窗 ===== */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 640px;
  max-width: 92vw;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
}
.modal-wide { width: 900px; }
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.modal-close { background: none; border: none; color: var(--text-dim); font-size: 20px; cursor: pointer; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 14px 18px; overflow-y: auto; flex: 1; }
.modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}
.picker-body { padding: 12px 18px; overflow-y: auto; max-height: 50vh; }
.picker-path { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; color: var(--text-dim); font-size: 12px; word-break: break-all; }
.picker-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.picker-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  text-align: center;
  font-size: 11px;
  transition: all .15s;
  background: var(--bg-card);
}
.picker-item:hover { background: var(--bg-hover); }
.picker-item.selected { border-color: var(--primary); background: rgba(255,107,26,.1); }
.picker-item .picon { font-size: 26px; display: block; margin-bottom: 4px; }
.picker-item .pname { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== 任务详情 ===== */
.task-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.sum-item { background: var(--bg-card); border-radius: 8px; padding: 10px; text-align: center; }
.sum-item .k { font-size: 11px; color: var(--text-dim); }
.sum-item .v { font-size: 18px; font-weight: 700; margin-top: 4px; }
.task-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.task-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.task-item img { width: 100%; height: 130px; object-fit: cover; display: block; }
.task-item .tinfo { padding: 8px; font-size: 12px; }
.task-item .tname { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-item .tmeta { color: var(--text-dim); margin-top: 3px; }
.task-item .tdefects { color: var(--primary); margin-top: 3px; }

/* ===== 算法清单 ===== */
.algo-filter { display: flex; gap: 8px; }
.algo-matrix { padding: 14px; }
.algo-industry { margin-bottom: 18px; }
.algo-industry h3 {
  font-size: 14px;
  color: var(--blue);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
  margin-bottom: 10px;
}
.algo-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.algo-card {
  background: #FFFFFF;
  border: none;
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
  transition: transform .2s, box-shadow .2s;
}
.algo-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.08); }
.algo-card .an { font-weight: 600; font-size: 13px; }
.algo-card .astatus { font-size: 11px; margin-top: 4px; }
.algo-card .astatus.ok { color: #1E8E4E; }
.algo-card .astatus.no { color: var(--text-faint); }
.algo-card .adesc { font-size: 11px; color: var(--text-dim); margin-top: 5px; line-height: 1.6; }

/* ===== 设置 ===== */
.settings-form { padding: 16px; display: flex; flex-direction: column; gap: 14px; max-width: 520px; }
.settings-form label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-dim); }
.switch-row { flex-direction: row !important; align-items: center; gap: 10px !important; }
.switch-row input { width: 18px; height: 18px; accent-color: var(--primary); }
.settings-actions { display: flex; gap: 10px; }
.sdk-result { font-size: 12px; color: var(--text-dim); }
.about { padding: 16px; color: var(--text-dim); line-height: 2; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .nav-item { padding: 6px 10px; font-size: 13px; }
  .brand-sub { display: none; }
  .wb-row { flex-direction: column; }
  .algo-cards { grid-template-columns: repeat(2, 1fr); }
  .task-items { grid-template-columns: repeat(2, 1fr); }
}

/* ===== v0.2 新增样式（司空2风格扩展） ===== */
/* 看板 5 卡片 */
.stat-cards.cards5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1100px) { .stat-cards.cards5 { grid-template-columns: repeat(3, 1fr); } }

/* 工作台两列布局 */
.wb-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
@media (max-width: 900px) { .wb-grid { grid-template-columns: 1fr; } }
.wb-grid .wb-block { padding: 14px 16px; border-bottom: 1px solid var(--border); }
.wb-grid .wb-block + .wb-block { border-left: 1px solid var(--border); }
@media (max-width: 900px) { .wb-grid .wb-block + .wb-block { border-left: none; } }

.two-col { display: flex; gap: 12px; flex-wrap: wrap; }
.two-col label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-dim); }

.chk-row { margin-top: 10px; }
.chk { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-dim); cursor: pointer; }
.chk input { accent-color: var(--primary); width: 14px; height: 14px; }

.class-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.class-filter .cf-item {
  display: flex; align-items: center; gap: 5px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 9px; font-size: 12px; cursor: pointer;
}
.class-filter .cf-item.on { border-color: var(--primary); background: rgba(255,107,26,.12); color: var(--text); }

/* 直播流预览 */
.stream-preview { margin-top: 8px; }
.stream-preview img { width: 100%; max-width: 420px; border-radius: 8px; border: 1px solid var(--border); display: block; }
.stream-preview .tip { font-size: 11px; color: var(--text-faint); margin-top: 6px; line-height: 1.6; }

/* 文件选择器工具条 */
.picker-toolbar { margin-bottom: 10px; }
.picker-drives { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.picker-drives .drive-btn {
  padding: 5px 14px; border-radius: 6px; font-size: 12px;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-dim); cursor: pointer;
}
.picker-drives .drive-btn.active { border-color: var(--primary); color: var(--primary); background: rgba(255,107,26,.1); }
.picker-filter { display: flex; align-items: center; gap: 8px; }

/* 算法信息区（工作台） */
.algo-info .status-line { margin-top: 4px; font-weight: 600; }
.algo-info .examples { margin-top: 6px; display: flex; gap: 8px; flex-wrap: wrap; }
.algo-info .ex-thumb { width: 64px; height: 64px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; transition: all .15s; }
.algo-info .ex-thumb:hover { border-color: var(--primary); transform: scale(1.04); }

/* 任务详情进度条 */
.progress-bar-wrap { margin-bottom: 14px; }
.progress-bar-wrap .pb-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.progress-bar-wrap .pb-bar { height: 10px; background: var(--bg-hover); border-radius: 5px; overflow: hidden; }
.progress-bar-wrap .pb-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--yellow)); border-radius: 5px; transition: width .4s; }

/* 任务结果视频 */
.task-videos { margin-top: 12px; }
.task-videos .vid-item { display: flex; align-items: center; gap: 10px; background: var(--bg-card); border-radius: 8px; padding: 8px 12px; margin-bottom: 8px; }
.task-videos video { height: 64px; border-radius: 6px; }

/* 算法清单详情卡片（可点击展开） */
.algo-card { cursor: pointer; }
.algo-card .aexamples { display: flex; gap: 6px; margin-top: 8px; }
.algo-card .aexamples img { width: 52px; height: 52px; object-fit: cover; border-radius: 5px; border: 1px solid var(--border); }
.algo-card .aqr { margin-top: 8px; font-size: 11px; color: var(--text-faint); }
.algo-card .atry { margin-top: 8px; }

/* 联系面板 */
.contact-panel { margin-top: 18px; background: #101114; color: #fff; padding: 44px 36px 50px; }
.contact-panel .panel-head { color: #fff; justify-content: center; padding-top: 0; padding-bottom: 10px; font-size: 24px; }
.contact-panel .panel-head .btn-ghost { display: none; }
.contact-body { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px 0; gap: 24px; flex-wrap: wrap; }
.contact-line { font-size: 14px; line-height: 2.1; color: rgba(255,255,255,.82); }
.contact-line b { color: #fff; font-size: 20px; letter-spacing: .5px; }
.contact-line .dim { color: rgba(255,255,255,.55); }
.contact-qr { width: 140px; height: 140px; border: 1px solid rgba(255,255,255,.18); border-radius: 10px; display: flex; align-items: center; justify-content: center; background: #FFFFFF; overflow: hidden; }
.contact-qr img { width: 100%; height: 100%; object-fit: contain; }
.contact-qr .empty { font-size: 11px; }

/* 页脚：参照大疆官网风格（深灰多列 + 底部版权） */
.site-footer {
  background: #2C2C2E;
  color: #fff;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-top: 0;
  padding: 52px 0 28px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.footer-top { padding-bottom: 34px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand-row { display: flex; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 20px; min-width: 0; }
.footer-brand .footer-logo { height: 30px; width: auto; }
.footer-brand .footer-desc { font-size: 12px; line-height: 1.6; color: rgba(255,255,255,.55); white-space: nowrap; }
.footer-mid { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; margin-top: 30px; }
.footer-qrs { display: flex; gap: 16px; }
.footer-qrs .fqr { width: 100px; text-align: center; }
.footer-qrs .fqr img { width: 100px; height: 100px; border-radius: 6px; background: #fff; object-fit: contain; }
.footer-qrs .fqr span { display: block; font-size: 11px; color: rgba(255,255,255,.5); margin-top: 8px; line-height: 1.5; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 14px; letter-spacing: .5px; }
.footer-col a, .footer-contact p, .footer-col span { display: block; font-size: 12px; line-height: 2.2; color: rgba(255,255,255,.6); cursor: default; text-decoration: none; }
.footer-col .footer-link { cursor: pointer; }
.footer-contact p { cursor: default; }
.footer-bottom { display: flex; justify-content: flex-end; padding-top: 20px; }
.footer-legal { font-size: 12px; color: rgba(255,255,255,.42); }
@media (max-width: 900px) {
  .site-footer { padding: 40px 0 96px; }
  .footer-inner { padding: 0 18px; }
  .footer-brand { flex-wrap: wrap; }
  .footer-brand .footer-desc { white-space: normal; }
  .footer-cols { gap: 36px; }
}

/* 模型管理 */
.models-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.model-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 12px; }
.model-item .mname { font-weight: 600; }
.model-item .mmeta { color: var(--text-dim); margin-top: 3px; }
.model-item .mstatus { margin-top: 3px; }
.model-item .mstatus.ok { color: var(--green); }
.model-item .mstatus.no { color: var(--red); }
.model-item .munreg { color: var(--yellow); margin-top: 3px; }

/* 任务操作按钮组 */
.task-actions .btn-mini { padding: 4px 8px; font-size: 11px; }

/* ===== v0.3 售前演示改造（宣传首页 / 算法库 / 详情 / 图片查看器） ===== */
/* 顶栏 logo */
.brand-logo { height: 32px; width: auto; border-radius: 0; image-rendering: auto; }

/* 公司宣传首页 */
.company-hero {
  background: linear-gradient(135deg, #10151B 0%, #141B24 45%, #1A222D 100%);
  border: 1px solid rgba(79,195,247,.25);
  position: relative;
  overflow: hidden;
}
.company-hero::after {
  content: none;
}
.hero-badge {
  display: inline-block;
  font-size: 12px;
  color: var(--blue);
  border: 1px solid rgba(79,195,247,.35);
  background: rgba(79,195,247,.08);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.company-hero {
  background: #F5F5F7;
  border: none;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-top: -20px;
  padding: 0;
}
.hero-top { background: #2C2C2E; padding: 64px 32px 46px; text-align: center; }
.hero-top .hero-badge { background: rgba(255,255,255,.08); color: rgba(255,255,255,.62); border: 1px solid rgba(255,255,255,.18); }
.hero-top h1 { font-size: 30px; margin-bottom: 12px; color: #fff; }
.hero-top .hero-lead { font-size: 16px; line-height: 1.75; color: rgba(255,255,255,.78); letter-spacing: .3px; max-width: 680px; margin: 0 auto; }
.hero-bottom { background: #F5F5F7; padding: 34px 32px 44px; }
.hero-bottom .hero-rest { display: block; margin: 0 auto; font-size: 14px; line-height: 1.85; color: #6E6E73; max-width: 860px; }
.company-hero .hero-points { margin: 46px auto 0; max-width: 1120px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px 20px; }
.company-hero .hero-point { background: none; min-width: 0; padding: 0; border-radius: 0; text-align: center; }
.company-hero .hero-point b { display: block; font-size: 17px; font-weight: 600; color: #1D1D1F; }
.company-hero .hero-point span { display: block; font-size: 12px; color: #6E6E73; margin-top: 4px; }
.company-hero .hero-point em { display: block; font-size: 11px; font-style: normal; color: #86868B; margin-top: 4px; }
/* 算法产品矩阵（代码化排版，按业务场景分类） */
#matrixGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 10px 2px; }
@media (max-width: 900px) { #matrixGrid { grid-template-columns: 1fr; } }
.mx-scene { background: #F5F5F7; border-radius: 12px; padding: 16px 18px; }
.mx-head { position: relative; display: flex; justify-content: center; align-items: baseline; margin-bottom: 10px; }
.mx-name { font-size: 15px; font-weight: 400; color: var(--text); text-align: center; }
.mx-count { font-size: 11px; color: var(--text-dim); position: absolute; right: 0; top: 0; }
.mx-count .mx-go { color: #0071E3; font-size: 14px; font-weight: 600; margin-left: 3px; cursor: pointer; text-decoration: none; vertical-align: -1px; }
.mx-count .mx-go:hover { color: #0060C7; }
.mx-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.mx-tag {
  font-size: 12px; color: var(--text-dim);
  background: #FFFFFF; border: 1px solid #E8E8ED;
  border-radius: 20px; padding: 4px 11px;
}
.mx-tag.dep { color: #1E8E4E; background: rgba(46,204,113,.08); border-color: rgba(46,204,113,.25); }

/* 场景长图 */
.scene-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; padding: 14px 16px; }
.scene-card { position: relative; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); cursor: pointer; }
.scene-card img { width: 100%; display: block; }
.scene-card:hover { border-color: var(--primary); }
.scene-tag {
  position: absolute; left: 0; bottom: 0; right: 0;
  padding: 6px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,.85));
  color: #fff; font-size: 12px;
}

/* 行业能力卡片 */
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 14px 16px; }
@media (max-width: 900px) { .industry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .industry-grid { grid-template-columns: 1fr; } }
.industry-card {
  background: #F5F5F7;
  border: none;
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all .15s;
}
.industry-card:hover { background: #ECECEF; }
.ic-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.ic-name { font-weight: 600; font-size: 14px; color: var(--text); }
.ic-count { font-size: 11px; color: var(--text-dim); }
.ic-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ic-tag {
  font-size: 11px;
  color: var(--text-dim);
  background: rgba(0,0,0,.05);
  border-radius: 4px;
  padding: 3px 8px;
}
.ic-tag.dep { color: #1E8E4E; background: rgba(46,204,113,.12); border: none; }
.ic-tag.more { color: var(--primary); background: rgba(255,107,26,.1); }

/* 算法能力总览：场景选择 + 算法展示控件 */
.panel-explorer {
  background: #F5F5F7;
  padding: 26px 26px 30px;
  border-radius: 0;
  margin: 6px 0 14px;
}
.panel-explorer .panel-head { padding-top: 2px; }
.ind-explorer {
  display: flex; gap: 14px;
  background: #FFFFFF;
  border-radius: 16px;
  padding: 12px;
  height: 392px;
}
.ind-side {
  width: 168px; flex-shrink: 0;
  display: flex; flex-direction: column; gap: 4px;
  overflow-y: auto; padding: 4px;
}
.ind-tab {
  padding: 11px 14px; font-size: 13px; color: var(--text-dim);
  border-radius: 10px; cursor: pointer; transition: all .15s;
  border-left: 3px solid transparent;
  white-space: nowrap;
}
.ind-tab:hover { background: #F5F5F7; color: var(--text); }
.ind-tab.active { background: #F5F5F7; color: var(--text); border-left-color: var(--primary); font-weight: 600; }
.ind-main { position: relative; flex: 1; border-radius: 12px; overflow: hidden; min-width: 0; }
.ind-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.ind-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,15,18,.55) 0%, rgba(13,15,18,.80) 100%); }
.ind-inner { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; padding: 22px 24px; }
.ind-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.ind-name { color: #fff; font-size: 20px; font-weight: 600; }
.ind-count { color: rgba(255,255,255,.7); font-size: 12px; }
.ind-algo-list {
  flex: 1; overflow-y: auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
  align-content: start; padding-right: 4px;
}
.ind-algo {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px; padding: 10px 12px;
}
.ind-algo-name { color: #fff; font-size: 13px; }
.ind-algo-status { font-size: 11px; white-space: nowrap; }
.ind-algo-status.ok { color: #6BE39B; }
.ind-algo-status.no { color: rgba(255,255,255,.5); }

/* 技术服务（矩形长条卡片 + 背景图） */
.service-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 8px 2px; }
@media (max-width: 900px) { .service-list { grid-template-columns: 1fr; } }
.service-card {
  position: relative; height: 132px; border-radius: 0; overflow: hidden;
  display: flex; align-items: flex-end;
}
.service-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .35s; }
.service-card:hover .service-bg { transform: scale(1.05); }
.service-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,15,18,.10) 0%, rgba(13,15,18,.78) 80%); }
.service-text { position: relative; z-index: 2; padding: 16px 18px; }
.service-title { color: #fff; font-size: 16px; font-weight: 400; }
.service-desc { color: rgba(255,255,255,.82); font-size: 12px; line-height: 1.6; margin-top: 6px; }

/* 平台特色 */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 14px 4px; }
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card { background: #F5F5F7; border: none; border-radius: 12px; padding: 16px; }
.feature-card .fi { font-size: 26px; }
.feature-card .ft { font-weight: 600; margin-top: 8px; }
.feature-card .fd { font-size: 12px; color: var(--text-dim); margin-top: 4px; line-height: 1.6; }

/* 联系二维码（真实图片） */
.contact-qrs { display: flex; gap: 16px; flex-wrap: wrap; }
.qr-box {
  width: 150px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}
.qr-box img { width: 130px; height: 130px; object-fit: contain; display: block; border-radius: 6px; background: #fff; }
.qr-box p { font-size: 11px; color: var(--text-dim); margin-top: 6px; }
.contact-info { flex: 1; min-width: 260px; }

/* 算法详情页 */
.algo-detail-body { padding: 18px; max-width: 900px; }
.ad-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; border-bottom: 1px solid var(--border); padding-bottom: 14px; flex-wrap: wrap; }
.ad-name { font-size: 22px; font-weight: 700; }
.ad-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.ad-tag { font-size: 12px; color: var(--text-dim); border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; background: var(--bg-card); }
.ad-tag.ok { color: var(--green); border-color: rgba(46,204,113,.4); background: rgba(46,204,113,.08); }
.ad-tag.no { color: var(--yellow); border-color: rgba(255,179,0,.35); background: rgba(255,179,0,.08); }
.ad-section { margin-top: 16px; }
.ad-sec-title { font-size: 13px; color: var(--blue); font-weight: 600; margin-bottom: 8px; }
.ad-desc { font-size: 13px; color: var(--text-dim); line-height: 1.8; }
.ad-classes { display: flex; flex-wrap: wrap; gap: 8px; }
.ad-class { font-size: 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; padding: 5px 12px; color: var(--text); }
.ad-examples { display: flex; gap: 10px; flex-wrap: wrap; }
.ad-examples img { width: 180px; height: 120px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); cursor: pointer; transition: all .15s; }
.ad-examples img:hover { border-color: var(--primary); transform: scale(1.02); }

/* 图片大图查看器 */
.image-viewer {
  background: rgba(10,12,15,.98);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 1200px;
  max-width: 96vw;
  height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.iv-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.iv-toolbar span { font-weight: 600; }
.iv-actions { display: flex; gap: 6px; align-items: center; }
.iv-body { display: flex; flex: 1; min-height: 0; }
.iv-image-wrap {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: repeating-conic-gradient(rgba(255,255,255,.03) 0% 25%, transparent 0% 50%) 50% / 20px 20px;
  position: relative;
}
.iv-image-wrap img {
  max-width: 96%;
  max-height: 96%;
  object-fit: contain;
  transform-origin: center;
  transition: transform .1s;
  cursor: zoom-in;
}
.iv-info {
  width: 340px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  padding: 14px;
  overflow-y: auto;
  background: var(--bg-panel);
}
@media (max-width: 900px) { .iv-info { display: none; } .iv-image-wrap { flex: 1; } }
.iv-info-block { margin-bottom: 12px; }
.iv-k { font-size: 11px; color: var(--text-faint); margin-bottom: 4px; }
.iv-v { font-size: 12px; color: var(--text); line-height: 1.6; word-break: break-all; }
.iv-v.ok { color: var(--green); }
.iv-v.mono { font-family: Consolas, monospace; font-size: 11px; color: var(--text-dim); }
.iv-defect {
  display: inline-block;
  font-size: 11px;
  border: 1px solid var(--primary);
  color: var(--text);
  border-radius: 4px;
  padding: 2px 8px;
  margin: 2px;
  background: rgba(255,107,26,.08);
}
.iv-nav { display: flex; align-items: center; justify-content: space-between; padding: 8px 14px; border-top: 1px solid var(--border); }
.iv-nav span { font-size: 12px; color: var(--text-dim); }

/* ===== v0.4 新增样式 ===== */
/* 置信度滑块（左更全 / 右更准） */
.slider-wrap { display: inline-flex; align-items: center; gap: 6px; margin: 0 6px; }
.slider-wrap .slider { width: 150px; accent-color: var(--primary); }
.slider-side { font-size: 10px; color: var(--text-faint); }
.slider-val { font-size: 12px; color: var(--primary); font-weight: 600; min-width: 34px; display: inline-block; }

/* 会话 24h 提示条 */
.session-notice {
  margin: 14px 0 0;
  padding: 14px 18px;
  background: #F5F5F7;
  border: none;
  color: #6E6E73;
  font-size: 12px;
  line-height: 1.7;
}

/* 工作台示例图预览（点击试测） */
.wb-examples { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.wb-example {
  width: 96px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  transition: border-color .15s, transform .15s;
}
.wb-example:hover { border-color: var(--primary); transform: translateY(-2px); }
.wb-example img { width: 100%; height: 62px; object-fit: cover; display: block; }
.wb-example span { display: block; font-size: 10px; color: var(--text-dim); text-align: center; padding: 4px 2px; line-height: 1.3; }

/* 已选文件：纯缩略图网格（不显示文件名） */
.picked { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 10px; }
.picked-file { position: relative; display: block; padding: 0; border: none; background: none; border-radius: 8px; }
.fthumb-wrap { width: 100%; height: 72px; border-radius: 8px; overflow: hidden; display: block; cursor: pointer; border: 1px solid var(--border); background: var(--bg-card); }
.fthumb-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fthumb-wrap:hover { border-color: var(--primary); }
.picked-file .fkind {
  width: 100%; height: 72px; display: flex; align-items: center; justify-content: center;
  font-size: 24px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer;
}
.picked-file .fkind:hover { border-color: var(--primary); }
.picked-file .fdel {
  position: absolute; top: -7px; right: -7px;
  width: 20px; height: 20px; line-height: 18px; text-align: center;
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 50%;
  font-size: 12px; color: var(--text-dim); cursor: pointer;
}
.picked-file .fdel:hover { color: var(--red); border-color: var(--red); }

/* 任务详情：结果项缩略图点击放大 + 下载 */
.task-item-thumb { cursor: pointer; }
.task-item-actions { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }

/* 算法详情页：收敛的联系方式一行 */
.ad-contact-line {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  font-size: 12px;
  color: var(--text-dim);
}

/* ===== v0.5 移动端适配（手机访问线上体验平台） ===== */
.mnav { display: none; }

/* 工作台推理前后对比区（v0.6） */
.cmp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 6px; }
.cmp-block { min-width: 0; }
.cmp-title { font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.cmp-stage {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.cmp-stage img, .cmp-stage video { max-width: 100%; max-height: 100%; object-fit: contain; }
.cmp-stage .empty { font-size: 12px; }
.cmp-stage .cmp-busy { font-size: 12px; color: var(--yellow); text-align: center; line-height: 1.8; padding: 10px; }
.cmp-stage .cmp-err { font-size: 12px; color: var(--red); text-align: center; line-height: 1.6; padding: 10px; }
.cmp-stage .cmp-dl { position: absolute; right: 8px; bottom: 8px; }

@media (max-width: 768px) {
  /* 顶栏紧凑 + 隐藏横向导航 */
  .topbar { height: 48px; padding: 0 10px; }
  .brand-logo { height: 24px; }
  .brand-title { font-size: 14px; }
  .brand-sub { display: none; }
  .nav { display: none; }

  /* 内容区（底部留出导航空间） */
  .content { padding: 12px 10px 76px; }

  /* 底部导航 */
  .mnav {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: 56px;
    background: #2C2C2E;
    z-index: 200;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .mnav-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: rgba(255,255,255,.68);
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }
  .mnav-item.active { color: #fff; font-weight: 600; }

  /* 首页 */
  .hero-top { padding: 34px 16px 28px; }
  .hero-bottom { padding: 24px 16px 30px; }
  .company-hero h1 { font-size: 22px; }
  .company-hero p { font-size: 13px; }
  .company-hero .hero-lead { font-size: 15px; max-width: 520px; }
  .company-hero .hero-points { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; }
  .company-hero .hero-rest { font-size: 13px; }
  .hero-badge { font-size: 11px; margin-bottom: 10px; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .hero-actions .btn, .hero-actions .btn-link { width: 100%; padding: 12px 0; font-size: 14px; text-align: center; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 10px; }
  .panel { border-radius: 0; }
  .panel-solutions, .panel-explorer { padding: 20px 16px 24px; border-radius: 0; }
  .panel-head { padding: 12px 10px; font-size: 13px; }
  .panel-head .btn { padding: 4px 8px; font-size: 11px; }
  .industry-grid { padding: 10px; gap: 10px; }
  .feature-grid { padding: 10px; gap: 10px; }
  .contact-body { flex-direction: column; align-items: stretch; padding: 12px; gap: 14px; }
  .contact-info { min-width: 0; }
  .contact-line { font-size: 13px; }
  .contact-line b { font-size: 16px; }
  .contact-qrs { justify-content: center; }
  .qr-box { width: 132px; }
  .qr-box img { width: 112px; height: 112px; }

  /* 算法库 / 详情 */
  .algo-matrix { padding: 10px; }
  .algo-industry h3 { font-size: 14px; }
  .algo-cards { gap: 8px; }
  .algo-detail-body { padding: 12px 10px; }
  .ad-name { font-size: 18px; }
  .ad-examples img { width: 100%; height: auto; aspect-ratio: 3 / 2; }
  .ad-contact-line { font-size: 11px; padding: 8px 10px; }

  /* 工作台 */
  .wb-grid .wb-block { padding: 12px 10px; }
  .cmp-grid { grid-template-columns: 1fr; }
  .cmp-stage { height: 220px; }
  .two-col { flex-direction: column; align-items: stretch; gap: 10px; }
  .two-col label { flex-direction: column; align-items: flex-start; gap: 6px; }
  .two-col .input-sm { width: 100%; }
  .slider-wrap { width: 100%; }
  .slider-wrap .slider { width: 100%; flex: 1; }
  .wb-row { padding: 12px 10px; gap: 12px; }
  .wb-row.end { align-items: stretch; }
  .wb-row.end .btn-lg { width: 100%; padding: 13px 0; font-size: 15px; }
  .file-tools { flex-wrap: wrap; }
  .file-tools .btn { flex: 1; min-width: 130px; padding: 10px 0; }
  .wb-examples { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
  .wb-example { flex: none; width: 92px; }
  .picked { gap: 8px; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); }
  .class-filter .cf-item { padding: 8px 10px; }
  .select, .input, .input-sm { font-size: 15px; min-height: 40px; }

  /* 任务管理 */
  .session-notice { margin: 10px 0 0; font-size: 11px; }
  .stat-card { padding: 10px 4px; }
  .stat-num { font-size: 22px; }
  .stat-cards.cards5 { grid-template-columns: repeat(2, 1fr); }
  .task-item img { height: 110px; }
  .task-item .tinfo { font-size: 11px; }
  .task-card { flex-wrap: wrap; gap: 8px 10px; padding: 10px 12px; }
  .task-meta { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; font-size: 11px; }
  .task-defects { white-space: nowrap; }
  .task-actions { flex-wrap: wrap; }

  /* 弹窗全屏 */
  .modal { width: 100%; max-width: 100%; height: 100%; border-radius: 0; }
  .modal-wide { width: 100%; }
  .modal-body { padding: 12px; }
  .modal-foot { flex-wrap: wrap; gap: 8px; }
  .modal-foot .btn { flex: 1; min-width: 110px; padding: 10px 0; }

  /* 图片查看器全屏 */
  .image-viewer { width: 100%; max-width: 100%; height: 100%; border-radius: 0; }
  .iv-toolbar { padding: 8px 10px; }
  .iv-nav { padding: 6px 10px; }

  /* 设置 / 模型 */
  .models-list { grid-template-columns: 1fr; }
  .settings-form { padding: 12px; }
  .settings-actions { flex-direction: column; }
  .settings-actions .btn { width: 100%; padding: 11px 0; }

  /* 通用触摸友好 */
  .btn { padding: 10px 14px; font-size: 13px; }
  .empty { padding: 16px; }
}

@media (max-width: 480px) {
  .algo-cards { grid-template-columns: 1fr; }
  .task-items { grid-template-columns: 1fr; }
  .picked { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .scene-card .scene-tag { font-size: 11px; padding: 5px 8px; }
}

/* ===== v0.9 解决方案（行业应用方案 · 大疆官网风格改版） ===== */
.sol-hero {
  background: #F5F5F7;
  border: none;
  border-radius: 0;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 56px 32px 44px;
  text-align: center;
}
.sol-hero-badge { display: inline-block; font-size: 12px; color: #6E6E73; background: rgba(0,0,0,.045); border: none; border-radius: 20px; padding: 5px 14px; margin-bottom: 14px; letter-spacing: .5px; }
.sol-hero h1 { font-size: 32px; margin: 0 0 12px; font-weight: 400; color: #1D1D1F; }
.sol-hero p { color: #6E6E73; font-size: 14px; line-height: 1.8; max-width: 860px; margin: 0 auto; }

/* 行业切换 tabs（下划线式，苹果官网风） */
.sol-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 30px; padding: 28px 20px 8px; }
.sol-tab {
  font-size: 14px; color: #6E6E73; padding: 6px 2px; cursor: pointer;
  border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
  white-space: nowrap;
}
.sol-tab:hover { color: #1D1D1F; }
.sol-tab.active { color: #1D1D1F; border-bottom-color: #0071E3; }

/* 行业卡片墙：上图下文大卡 */
.sol-main { max-width: 1180px; margin: 0 auto; padding: 26px 20px 0; }
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sol-card-lg {
  position: relative; overflow: hidden; border-radius: 0; cursor: pointer;
  background: #F5F5F7; min-height: 320px; display: flex; flex-direction: column;
}
.sol-card-lg-img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform .5s ease;
}
.sol-card-lg:hover .sol-card-lg-img { transform: scale(1.06); }
.sol-card-lg-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,.66) 100%);
  transition: background .3s;
}
.sol-card-lg:hover .sol-card-lg-mask { background: linear-gradient(180deg, rgba(0,0,0,.05) 0%, rgba(0,0,0,.74) 100%); }
.sol-card-lg-tag { position: absolute; top: 16px; left: 16px; z-index: 2; font-size: 11px; color: #fff; background: rgba(0,0,0,.38); border: 1px solid rgba(255,255,255,.28); border-radius: 20px; padding: 4px 12px; letter-spacing: .5px; }
.sol-card-lg-body { position: relative; z-index: 2; margin-top: auto; padding: 20px; }
.sol-card-lg-title { font-size: 21px; font-weight: 400; color: #fff; }
.sol-card-lg-desc { font-size: 13px; color: rgba(255,255,255,.82); margin-top: 6px; line-height: 1.6; }
.sol-card-lg-more { display: inline-block; margin-top: 12px; font-size: 13px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.6); padding-bottom: 2px; }
.sol-card-lg:hover .sol-card-lg-more { border-color: #fff; }

/* 详情：顶部大图 banner */
.sol-detail-banner {
  position: relative; overflow: hidden; border-radius: 0;
  height: 360px; background-size: cover; background-position: center;
  display: flex; align-items: flex-end;
}
.sol-detail-mask { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.12) 0%, rgba(0,0,0,.58) 100%); }
.sol-detail-content { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; width: 100%; padding: 40px 20px 34px; }
.sol-detail-tag { display: inline-block; font-size: 12px; color: rgba(255,255,255,.85); border: 1px solid rgba(255,255,255,.35); border-radius: 20px; padding: 4px 12px; margin-bottom: 14px; letter-spacing: .5px; }
.sol-detail-content h2 { font-size: 34px; font-weight: 400; color: #fff; }
.sol-detail-content p { font-size: 14px; color: rgba(255,255,255,.82); margin-top: 10px; max-width: 720px; line-height: 1.7; }

.sol-detail-body { max-width: 1180px; margin: 0 auto; padding: 44px 20px 60px; display: flex; flex-direction: column; gap: 44px; }

/* 痛点 / 优势两栏灰卡 */
.sol-pain-value { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sol-pv-item { background: #F5F5F7; padding: 26px 28px; }
.sol-pv-item h4 { font-size: 17px; font-weight: 400; color: #1D1D1F; margin-bottom: 16px; }
.sol-pv-item ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sol-pv-item li { position: relative; padding-left: 18px; font-size: 13.5px; color: #6E6E73; line-height: 1.65; }
.sol-pv-item li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; background: #86868B; }
.sol-pv-sol li::before { background: #34C759; }

/* 分节标题 */
.sol-sec-title { font-size: 24px; font-weight: 400; color: #1D1D1F; text-align: center; margin-bottom: 22px; }

/* 方案卡 */
.sol-plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sol-plan { background: #F5F5F7; padding: 26px 28px; border-left: 3px solid #0071E3; }
.sol-plan-name { font-size: 17px; font-weight: 400; color: #1D1D1F; margin-bottom: 10px; }
.sol-plan-desc { font-size: 13.5px; color: #6E6E73; line-height: 1.75; }

/* 工作流程：横排步骤 */
.sol-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sol-step { background: #F5F5F7; padding: 22px 20px; }
.sol-step-no { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; background: #1D1D1F; color: #fff; font-size: 14px; font-weight: 400; margin-bottom: 12px; }
.sol-step span:last-child { font-size: 13px; color: #6E6E73; line-height: 1.6; }

/* 效果示例图 */
.sol-demo { background: #F5F5F7; padding: 14px; }
.sol-demo img { width: 100%; max-height: 420px; object-fit: cover; display: block; }
.sol-demo-tag { font-size: 12px; color: #6E6E73; margin-top: 10px; }

/* 相关算法胶囊 */
.sol-algos { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; }
.sol-algo-tag { font-size: 13px; color: #6E6E73; border: 1px solid #D2D2D7; border-radius: 20px; padding: 6px 14px; background: #fff; }

/* 移动端 */
@media (max-width: 900px) {
  .sol-hero { padding: 36px 18px 28px; }
  .sol-hero h1 { font-size: 22px; }
  .sol-tabs { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; gap: 18px; padding: 18px 16px 4px; }
  .sol-grid { grid-template-columns: 1fr; gap: 16px; }
  .sol-card-lg { min-height: 250px; }
  .sol-detail-banner { height: 240px; }
  .sol-detail-content h2 { font-size: 24px; }
  .sol-detail-body { padding: 30px 16px 44px; gap: 32px; }
  .sol-pain-value, .sol-plans { grid-template-columns: 1fr; }
  .sol-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .sol-steps { grid-template-columns: 1fr; }
}

/* 首页方案预览（大疆行业领域风：上图下字、直角、不加粗标题） */
.sol-preview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sol-card {
  position: relative; overflow: hidden;
  border: none; border-radius: 0; padding: 0;
  background: #F5F5F7;
  cursor: pointer; transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
  min-height: 176px;
  box-shadow: none;
}
.sol-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.06); }
.sol-card:hover .sol-card-bg { transform: scale(1.05); }
.sol-card-bg {
  position: absolute; top: 0; left: 0; right: 0; height: 148px;
  background-size: cover; background-position: center;
  transition: transform .35s ease;
}
.sol-card-mask { display: none; }
.sol-card-more {
  position: absolute; top: 10px; right: 12px; z-index: 2;
  font-size: 12px; color: #FFFFFF;
  background: rgba(0,0,0,.32); border: none; border-radius: 20px;
  padding: 4px 12px; backdrop-filter: blur(3px);
  transition: background .2s;
}
.sol-card:hover .sol-card-more { background: var(--primary); color: #fff; }
.sol-card-title {
  position: relative; z-index: 1; font-size: 15px; font-weight: 400;
  color: var(--text); padding: 162px 14px 0;
}
.sol-card-desc {
  position: relative; z-index: 1; font-size: 12px; color: var(--text-dim);
  line-height: 1.55; padding: 8px 14px 18px;
}

/* 行业解决方案板块：纯白背景分区 */
.panel-solutions {
  background: #FFFFFF;
  padding: 26px 26px 30px;
  border-radius: 0;
  margin: 6px 0 14px;
}
.panel-solutions .panel-head { padding-top: 2px; justify-content: center; position: relative; }
.panel-solutions .panel-head .btn { position: absolute; right: 0; top: 2px; }
.panel-matrix .panel-head { justify-content: center; text-align: center; }
/* 方案亮点 / 行业算法产品 / 行业解决方案：标题居中 + 副标题小字 */
.panel-sub {
  font-size: 13px; font-weight: 400; color: var(--text-dim);
  letter-spacing: .3px;
}
.panel-services .panel-head,
.panel-matrix .panel-head,
.panel-solutions .panel-head {
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}
.panel-services { background: #F5F5F7; width: 100vw; margin-left: calc(50% - 50vw); margin-bottom: 0; }
.services-inner { max-width: 1180px; margin: 0 auto; padding: 0 20px 26px; }
.panel-services .panel-head .panel-sub {
  font-size: 13px; font-weight: 400; color: var(--text-dim);
  letter-spacing: .3px;
}
/* 矩阵视图切换：算法清单（长图滚动）/ 算法详情（代码矩阵） */
.matrix-tabs { display: flex; justify-content: center; gap: 10px; margin: 14px 0 6px; }
.matrix-tab {
  padding: 8px 24px; font-size: 13px; letter-spacing: .5px;
  border: 1px solid #D2D2D7; background: #FFFFFF; color: #1D1D1F;
  border-radius: 20px; cursor: pointer; transition: all .2s;
}
.matrix-tab:hover { border-color: #86868B; }
.matrix-tab.active { background: #1D1D1F; color: #FFFFFF; border-color: #1D1D1F; }
.matrix-list-wrap {
  max-height: none; height: 988px; overflow-y: auto; padding: 10px 2px 4px;
  background: #FFFFFF; text-align: center;
  scrollbar-width: thin; scrollbar-color: #D2D2D7 transparent;
}
.matrix-list-wrap::-webkit-scrollbar { width: 6px; }
.matrix-list-wrap::-webkit-scrollbar-track { background: transparent; }
.matrix-list-wrap::-webkit-scrollbar-thumb { background: #D2D2D7; border-radius: 3px; }
.matrix-list-wrap img { width: 50%; display: block; margin: 0 auto; }

/* 大疆生态轮播（全屏通栏大图） */
.home-carousel {
  position: relative; overflow: hidden; border-radius: 0;
  height: clamp(420px, 52vh, 620px); margin-top: 0;
  width: 100vw; margin-left: calc(50% - 50vw);
  background: #101114;
  box-shadow: none;
}
.car-slides { position: relative; width: 100%; height: 100%; }
.car-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease;
  background-size: cover; background-position: center;
}
.car-slide.active { opacity: 1; }
.car-mask { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,12,15,.30) 0%, rgba(10,12,15,.50) 52%, rgba(10,12,15,.86) 100%); }
.car-content {
  position: absolute; left: 0; right: 0; bottom: 26%; margin: 0 auto;
  padding: 30px 44px; max-width: 64%; text-align: center;
  z-index: 2;
}
.car-badge {
  display: inline-block; font-size: 12px; color: #fff;
  background: var(--primary); border-radius: 20px; padding: 4px 12px; margin-bottom: 12px;
  letter-spacing: .5px;
}
.car-title { font-size: 28px; font-weight: 700; letter-spacing: .5px; color: #fff; }
.car-sub { font-size: 14px; color: rgba(255,255,255,.85); line-height: 1.7; margin-top: 10px; }
.car-dots { position: absolute; right: 22px; bottom: 18px; display: flex; gap: 8px; z-index: 3; }
.car-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.35); cursor: pointer; transition: background .2s, width .2s; }
.car-dot.active { background: var(--primary); width: 22px; border-radius: 6px; }
.car-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(13,15,18,.45); color: #fff; font-size: 22px; line-height: 1;
  border: 1px solid rgba(255,255,255,.25); cursor: pointer;
  transition: background .2s, border-color .2s;
}
.car-arrow:hover { background: var(--primary); border-color: var(--primary); }
.car-prev { left: 14px; }
.car-next { right: 14px; }

@media (max-width: 768px) {
  .home-carousel { height: 42vh; min-height: 260px; border-radius: 0; margin-top: 0; }
  .car-content { padding: 18px 18px; max-width: 88%; }
  .car-badge { font-size: 11px; padding: 3px 10px; margin-bottom: 8px; }
  .car-title { font-size: 19px; }
  .car-sub { font-size: 12px; margin-top: 8px; line-height: 1.6; }
  .car-dots { right: 14px; bottom: 12px; }
  .car-arrow { width: 30px; height: 30px; font-size: 18px; }
  .car-prev { left: 10px; }
  .car-next { right: 10px; }
  /* 顶栏：小屏下 logo 与导航紧凑 */
  .topbar { gap: 16px; padding: 0 14px; }
  .nav-item { padding: 6px 10px; font-size: 13px; }
  /* 算法能力总览控件：左侧场景改横向选择，右侧下移 */
  .ind-explorer { flex-direction: column; height: auto; padding: 10px; }
  .ind-side { width: 100%; flex-direction: row; overflow-x: auto; padding: 2px; }
  .ind-tab { flex: none; border-left: none; border-bottom: 3px solid transparent; }
  .ind-tab.active { border-left: none; border-bottom-color: var(--primary); }
  .ind-main { height: 320px; }
  .ind-algo-list { grid-template-columns: 1fr; }
  .ind-inner { padding: 16px 16px; }
  .contact-panel { padding: 34px 18px 40px; }
  .contact-body { padding: 10px 0 0; }
}

@media (max-width: 768px) {
  .sol-hero { padding: 20px 18px; }
  .sol-hero h1 { font-size: 19px; }
  .sol-layout { flex-direction: column; }
  .sol-nav { width: 100%; flex-direction: row; overflow-x: auto; position: static; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .sol-nav-item { flex: none; padding: 9px 12px; }
  .sol-nav-item.active { box-shadow: inset 0 -2px 0 var(--primary); }
  .sol-compare { grid-template-columns: 1fr; }
  .sol-plans { grid-template-columns: 1fr; }
  .sol-steps { grid-template-columns: 1fr; }
  .sol-preview { grid-template-columns: repeat(2, 1fr); }
  .sol-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 480px) {
  .sol-preview { grid-template-columns: 1fr; }
  .sol-card-desc { min-height: 0; }
}

/* ===== 算法详情页：镜头模式 / 巡检要求 ===== */
.ad-info-grid { display: flex; flex-direction: column; gap: 10px; }
.ad-info {
  display: flex; align-items: baseline; gap: 12px;
  border: 1px solid var(--border); border-radius: 8px;
  padding: 11px 14px; background: var(--bg);
}
.ad-info-label {
  flex: none; font-size: 12px; font-weight: 600; color: var(--primary);
  background: rgba(0,153,255,0.10); border: 1px solid rgba(0,153,255,0.25);
  border-radius: 6px; padding: 3px 10px;
}
.ad-info-value { font-size: 12.5px; color: var(--text-dim); line-height: 1.6; }

@media (max-width: 768px) {
  .ad-info { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ============ 全站统一：非首页视图对齐首页白色大疆官网风 ============ */
/* 主色统一为官网蓝 */
:root { --primary: #0071E3; --primary-dark: #0060C7; --blue: #0071E3; }

/* 面板标题：居中大标题、不加粗、右按钮绝对定位（与首页一致） */
.view .panel-head {
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  font-weight: 400;
  font-size: 24px;
  letter-spacing: .3px;
  position: relative;
  padding-top: 32px;
}
.view .panel-head > .btn, .view .panel-head .algo-filter { position: absolute; right: 4px; top: 28px; }

/* 卡片直角化 + 灰底（首页卡片风格） */
.algo-card, .task-item, .task-summary, .ad-info { border-radius: 0; }
.algo-card { background: #F5F5F7; box-shadow: none; }
.algo-card:hover { transform: none; box-shadow: none; background: #ECECEF; }
.algo-card .an { font-weight: 400; font-size: 14px; color: #1D1D1F; }
.task-item { box-shadow: none; background: #F5F5F7; }
.task-item img { border-radius: 0; }
.task-summary { border-radius: 0; }
.task-name { font-weight: 400; font-size: 15px; }

/* 解决方案页（详见 v0.9 解决方案段） */
.sol-hero h1 { font-weight: 400; color: #1D1D1F; font-size: 32px; }
.sol-hero-badge { color: #6E6E73; background: rgba(0,0,0,.045); border-radius: 20px; }

/* 算法库：行业标题 */
.algo-industry h3 { font-size: 17px; font-weight: 400; color: #1D1D1F; border-bottom: 1px solid #E8E8ED; padding-bottom: 10px; margin-bottom: 14px; }

/* 工作台 / 设置 / 详情：文字与控件统一 */
.wb-block label, .settings-form label { color: #6E6E73; }
.seg { border-radius: 0; }
.seg-item { border-radius: 0; }
.ad-info-label { color: #0071E3; background: rgba(0,113,227,.08); border-color: rgba(0,113,227,.22); }
.ad-info { background: #F5F5F7; border-color: transparent; }

/* 移动端：标题缩小、按钮归位 */
@media (max-width: 900px) {
  .view .panel-head { font-size: 18px; padding-top: 22px; }
  .view .panel-head > .btn, .view .panel-head .algo-filter { top: 18px; }
  .sol-hero { padding: 34px 18px 28px; }
  .sol-hero h1 { font-size: 20px; }
}


/* ===== 算法产品介绍：黑灰条 + 四类算法 tab ===== */
.algo-nav { background: #2C2C2E; }
.algo-nav-inner { display: flex; align-items: center; justify-content: center; gap: 8px; max-width: 1200px; margin: 0 auto; padding: 0 32px; overflow-x: auto; }
.algo-nav-item { flex: none; background: none; border: none; color: rgba(255,255,255,.72); font-size: 15px; letter-spacing: .5px; padding: 14px 30px 16px; cursor: pointer; border-bottom: 3px solid transparent; transition: color .2s; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.algo-nav-item svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.algo-nav-item:hover { color: #fff; }
.algo-nav-item.active { color: #fff; border-bottom-color: #0071E3; }
.algo-panel { display: block; }
.algo-panel.hidden { display: none; }

.algo-hero { position: relative; height: 430px; background-size: cover; background-position: center; }
.algo-hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.62) 0%, rgba(0,0,0,.42) 42%, rgba(0,0,0,.12) 100%); }
.algo-hero-inner { position: relative; max-width: 1200px; margin: 0 auto; padding: 92px 48px 0; }
.algo-hero-tag { display: inline-block; color: #2997FF; font-size: 14px; letter-spacing: 1.5px; margin-bottom: 18px; }
.algo-hero-inner h2 { margin: 0 0 18px; color: #fff; font-size: 42px; font-weight: 400; line-height: 1.22; letter-spacing: .5px; }
.algo-hero-inner p { max-width: 640px; margin: 0; color: rgba(255,255,255,.82); font-size: 16px; line-height: 1.8; }

.algo-block { max-width: 1200px; margin: 0 auto; padding: 56px 32px 0; }
.algo-sec-title { margin: 0 0 30px; text-align: center; font-size: 26px; font-weight: 400; letter-spacing: .5px; color: #1D1D1F; }
.algo-caps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.algo-cap { background: #F5F5F7; padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.algo-cap b { font-size: 19px; font-weight: 600; color: #1D1D1F; }
.algo-cap span { font-size: 13px; line-height: 1.7; color: #6E6E73; }
.algo-scenes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.algo-scene { height: 160px; background: #F5F5F7 center / cover no-repeat; display: flex; align-items: flex-end; padding: 18px; }
.algo-scene span { color: #1D1D1F; font-size: 15px; }
.algo-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.algo-step { background: #F5F5F7; padding: 26px 24px; }
.algo-step em { display: block; font-style: normal; font-size: 13px; color: #0071E3; letter-spacing: 1px; margin-bottom: 12px; }
.algo-step b { display: block; font-size: 17px; font-weight: 600; color: #1D1D1F; margin-bottom: 8px; }
.algo-step span { font-size: 13px; line-height: 1.7; color: #6E6E73; }
.algo-note { background: #F5F5F7; padding: 34px 36px; }
.algo-note h4 { margin: 0 0 12px; font-size: 20px; font-weight: 400; color: #1D1D1F; }
.algo-note p { margin: 0; font-size: 14px; line-height: 1.9; color: #6E6E73; }
.algo-download { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: #F5F5F7; padding: 34px 36px; }
.algo-download h4 { margin: 0 0 10px; font-size: 20px; font-weight: 400; color: #1D1D1F; }
.algo-download p { margin: 0; font-size: 14px; line-height: 1.8; color: #6E6E73; }
.algo-dl-btn { flex: none; display: inline-block; background: #0071E3; color: #fff; font-size: 15px; padding: 13px 30px; text-decoration: none; }
.algo-dl-btn:hover { background: #0077ED; }
.algo-dl-btn-ghost { background: #fff; color: #0071E3; border: 1px solid #0071E3; }
.algo-dl-btn-ghost:hover { background: #EAF4FF; }
.algo-shots { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px; }
.algo-shot { flex: none; width: 300px; background: #F5F5F7; text-decoration: none; }
.algo-shot img { display: block; width: 100%; height: 188px; object-fit: cover; background: #fff; }
.algo-shot span { display: block; padding: 12px 14px; font-size: 13px; color: #1D1D1F; }
.algo-shot:hover img { opacity: .9; }
/* Pilot 界面展示：大图轮播 */
.algo-carousel { background: #F5F5F7; padding: 0; }
.carousel-stage { position: relative; background: #fff; display: flex; align-items: center; justify-content: center; height: 620px; overflow: hidden; }
.carousel-stage img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; }
.carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; background: rgba(255,255,255,.94); border: 1px solid #E8E8ED; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 2; }
.carousel-arrow:hover { background: #0071E3; }
.carousel-arrow:hover svg { stroke: #fff; }
.carousel-arrow svg { width: 22px; height: 22px; fill: none; stroke: #1D1D1F; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.carousel-prev { left: 18px; }
.carousel-next { right: 18px; }
.carousel-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.carousel-meta span { font-size: 13px; color: #6E6E73; }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dots .dot { width: 8px; height: 8px; padding: 0; border: none; background: #C7C7CC; cursor: pointer; }
.carousel-dots .dot.active { background: #0071E3; }
@media (max-width: 900px) { .carousel-stage { height: 480px; } .carousel-arrow { width: 38px; height: 38px; } }
.algo-video { background: #F5F5F7; padding: 0; }
.algo-video video { display: block; width: 100%; max-width: none; margin: 0 auto; background: #000; }

/* ===== 推理工作台 ===== */
.wb-head { background: #2C2C2E; width: 100vw; margin-left: calc(50% - 50vw); text-align: center; padding: 40px 24px; }
.wb-head span { font-size: 30px; letter-spacing: 1px; color: #fff; font-weight: 400; }
@media (max-width: 900px) {
  .wb-head { padding: 32px 16px; }
  .wb-head span { font-size: 24px; }
}

/* ===== 下载中心 ===== */
.dl-page { max-width: 1200px; margin: 0 auto; padding: 40px 32px 80px; }
.dl-head { text-align: center; padding-bottom: 36px; position: relative; }
.dl-head .btn { position: absolute; left: 0; top: 6px; }
.dl-head h2 { margin: 0 0 12px; font-size: 34px; font-weight: 400; letter-spacing: .5px; color: #1D1D1F; }
.dl-head p { margin: 0; font-size: 15px; color: #6E6E73; }
.dl-main { max-width: 920px; margin: 0 auto; }
.dl-intro { background: #F5F5F7; padding: 26px 30px; margin-bottom: 20px; }
.dl-intro p { margin: 0; font-size: 15px; line-height: 1.9; color: #1D1D1F; }
.dl-pan { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: #F5F5F7; border: 1px solid #E8E8ED; padding: 28px 30px; margin-bottom: 40px; }
.dl-pan-info { flex: 1; min-width: 0; }
.dl-pan-title { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.dl-pan-title h3 { margin: 0; font-size: 20px; font-weight: 400; color: #1D1D1F; }
.dl-pan-info p { margin: 0 0 14px; font-size: 13px; line-height: 1.7; color: #6E6E73; }
.dl-code { font-size: 14px; color: #1D1D1F; }
.dl-code b { color: #0071E3; font-size: 18px; margin-left: 6px; letter-spacing: 2px; }
.dl-pan-qr { flex: none; text-align: center; }
.dl-pan-qr img { display: block; width: 128px; height: 128px; border: 1px solid #E8E8ED; background: #fff; }
.dl-pan-qr span { display: block; margin-top: 8px; font-size: 12px; color: #6E6E73; }
.dl-pan-btn { flex: none; display: inline-block; background: #0071E3; color: #fff; font-size: 13px; padding: 8px 16px; text-decoration: none; }
.dl-pan-btn:hover { background: #0077ED; }
.dl-sec { margin: 0 0 18px; font-size: 22px; font-weight: 400; color: #1D1D1F; }
.dl-direct { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
.dl-direct a { display: flex; flex-direction: column; gap: 6px; background: #F5F5F7; padding: 22px 24px; text-decoration: none; }
.dl-direct b { font-size: 16px; color: #0071E3; }
.dl-direct span { font-size: 12px; color: #6E6E73; line-height: 1.6; }
.dl-direct a:hover { background: #EFEFF2; }
.dl-list { border-top: 1px solid #E8E8ED; margin-bottom: 40px; }
.dl-row { display: flex; align-items: center; gap: 18px; padding: 15px 8px; border-bottom: 1px solid #E8E8ED; }
.dl-row span { width: 26px; height: 26px; flex: none; background: #F5F5F7; display: flex; align-items: center; justify-content: center; font-size: 13px; color: #6E6E73; }
.dl-row b { font-size: 14px; color: #1D1D1F; min-width: 0; }
.dl-row i { font-style: normal; font-size: 13px; color: #6E6E73; margin-left: auto; text-align: right; }
.dl-env { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; background: #F5F5F7; padding: 26px 30px; }
.dl-env div { display: flex; gap: 12px; align-items: baseline; }
.dl-env b { font-size: 13px; color: #1D1D1F; flex: none; }
.dl-env span { font-size: 13px; color: #6E6E73; }
@media (max-width: 900px) {
  .dl-page { padding: 24px 16px 90px; }
  .dl-head .btn { position: static; margin-bottom: 18px; }
  .dl-pan { flex-direction: column; align-items: flex-start; }
  .dl-direct { grid-template-columns: 1fr; }
  .dl-row { flex-wrap: wrap; gap: 6px 12px; }
  .dl-row i { margin-left: 0; text-align: left; }
  .dl-env { grid-template-columns: 1fr; }
}
.algo-topo { background: #fff; border: 1px solid #E8E8ED; padding: 30px; overflow-x: auto; }
.algo-topo svg { display: block; width: 100%; height: auto; min-width: 720px; }
/* 私有化部署：API 对接工作流 */
.wf-steps { display: grid; grid-template-columns: 1fr 52px 1fr 52px 1fr 52px 1fr; align-items: stretch; }
.wf-step { background: #fff; padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.wf-ico { width: 44px; height: 44px; background: #F5F5F7; display: flex; align-items: center; justify-content: center; }
.wf-ico svg { width: 22px; height: 22px; stroke: #0071E3; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.wf-step b { font-size: 16px; font-weight: 600; color: #1D1D1F; }
.wf-step span { font-size: 13px; line-height: 1.7; color: #6E6E73; }
.wf-arrow { display: flex; align-items: center; justify-content: center; }
.wf-arrow svg { width: 20px; height: 20px; stroke: #C7C7CC; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
/* 推理模式 × 算力评估 */
.algo-split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.algo-half { background: #F5F5F7; padding: 26px; }
.algo-half .algo-sec-title { margin-top: 0; }
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mode-item { background: #fff; padding: 18px 16px; display: flex; flex-direction: column; gap: 8px; }
.mode-item svg { width: 20px; height: 20px; stroke: #0071E3; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.mode-item b { font-size: 14px; font-weight: 600; color: #1D1D1F; }
.mode-item span { font-size: 12px; line-height: 1.5; color: #6E6E73; }
.eval-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.eval-chip { background: #fff; padding: 11px 14px; font-size: 13px; color: #1D1D1F; display: inline-flex; align-items: center; gap: 8px; }
.eval-chip svg { width: 15px; height: 15px; stroke: #0071E3; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.eval-note { margin: 16px 0 0; font-size: 12px; line-height: 1.8; color: #6E6E73; }
/* 方案亮点 */
.algo-pills { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.algo-pill { background: #fff; padding: 20px 14px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.algo-pill svg { width: 22px; height: 22px; stroke: #0071E3; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.algo-pill b { font-size: 14px; font-weight: 600; color: #1D1D1F; }
.algo-pill span { font-size: 12px; line-height: 1.5; color: #6E6E73; }
@media (max-width: 900px) {
  .wf-steps { grid-template-columns: 1fr; }
  .wf-arrow { transform: rotate(90deg); height: 34px; }
  .algo-split { grid-template-columns: 1fr; }
  .mode-grid { grid-template-columns: 1fr; }
  .algo-pills { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .algo-nav-inner { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; padding: 0; }
  .algo-nav-item { font-size: 14px; padding: 12px 8px 13px; white-space: nowrap; gap: 4px; }
  .algo-nav-item svg { width: 19px; height: 19px; }
  .algo-hero { height: 300px; }
  .algo-hero-inner { padding: 56px 24px 0; }
  .algo-hero-inner h2 { font-size: 28px; }
  .algo-hero-inner p { font-size: 14px; }
  .algo-block { padding: 40px 16px 0; }
  .algo-caps { grid-template-columns: repeat(2, 1fr); }
  .algo-scenes { grid-template-columns: repeat(2, 1fr); }
  .algo-scene { height: 110px; }
  .algo-steps { grid-template-columns: 1fr; }
  .algo-download { flex-direction: column; align-items: flex-start; }
}