/* 算数科技 · 派单系统宣传页 */
:root {
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --accent: #0d9488;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --card: #fff;
  --bg: #f8fafc;
  --radius: 16px;
  --max: 1200px;
  --screen-bg: #0b1020;
  --screen-panel: #121a2e;
  --screen-border: rgba(2, 132, 199, 0.35);
  --screen-glow: rgba(2, 132, 199, 0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(255,255,255,.94); backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.topnav.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(15,23,42,.06);
}
.topnav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 20px;
  height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo {
  font-weight: 800; font-size: 1.02rem; color: var(--text); text-decoration: none;
  white-space: nowrap; flex-shrink: 0;
}
.logo span { color: var(--primary); }
.nav-links {
  display: flex; gap: 4px; align-items: center; flex-wrap: wrap; justify-content: flex-end;
}
.nav-links .nav-link {
  color: var(--muted); font-size: 0.86rem; font-weight: 500; text-decoration: none;
  padding: 8px 12px; border-radius: 8px; transition: color .15s, background .15s;
}
.nav-links .nav-link:hover { color: var(--primary); background: #f0f9ff; text-decoration: none; }
.nav-links .nav-link.is-active { color: var(--primary); background: #e0f2fe; font-weight: 600; }
.nav-links .nav-cta {
  margin-left: 6px; padding: 8px 16px !important; font-size: 0.86rem !important;
  color: #fff !important; background: linear-gradient(135deg, var(--primary), var(--accent)) !important;
  box-shadow: 0 2px 10px rgba(2,132,199,.3);
}
.nav-links .nav-cta:hover { transform: translateY(-1px); color: #fff !important; background: linear-gradient(135deg, var(--primary-dark), var(--accent)) !important; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-radius: 10px; font-weight: 600; font-size: 0.9rem;
  border: none; cursor: pointer; text-decoration: none; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 4px 14px rgba(2,132,199,.35); }
.btn-outline { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1.5px solid rgba(255,255,255,.35); }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 12px; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; border-radius: 8px; }

/* 首页分栏导航卡 */
.promo-hub { padding: 56px 24px 80px; background: linear-gradient(180deg, #fff 0%, var(--bg) 100%); }
.hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 768px) { .hub-grid { grid-template-columns: 1fr; } }
.hub-card {
  display: block; text-decoration: none; color: inherit;
  background: #fff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
  transition: box-shadow .2s, transform .15s, border-color .2s;
}
.hub-card:hover {
  box-shadow: 0 14px 36px rgba(2,132,199,.12); transform: translateY(-2px);
  border-color: #7dd3fc; text-decoration: none;
}
.hub-card img { width: 100%; height: 140px; object-fit: cover; display: block; }
.hub-card--cta { border-color: #7dd3fc; background: linear-gradient(180deg, #f0f9ff, #fff); }
.hub-card-body { padding: 16px 18px 18px; }
.hub-tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; padding: 2px 8px; border-radius: 6px;
  background: #e0f2fe; color: #0369a1; margin-bottom: 8px;
}
.hub-card-body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.hub-card-body p { font-size: 0.84rem; color: var(--muted); margin: 0; }

/* 子页面首屏留白（固定顶栏） */
body.promo-sub main > section:first-child { padding-top: calc(64px + 48px); }

.hero {
  padding: 108px 24px 64px;
  background: linear-gradient(145deg, #0f172a 0%, #0c4a6e 42%, #0369a1 72%, #0f766e 100%);
  color: #fff; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 12% 88%, rgba(255,255,255,.08), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(167,139,250,.14), transparent 38%),
    url('../images/banner-pain.png') right -80px top 40px / 520px auto no-repeat;
  opacity: .35; pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,23,42,.92) 0%, rgba(15,23,42,.55) 45%, transparent 72%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max); margin: 0 auto; position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 36px; align-items: center;
}
.hero-banner {
  display: grid; gap: 12px;
}
.hero-banner-main {
  border-radius: 18px; overflow: hidden; border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
  background: rgba(255,255,255,.06);
}
.hero-banner-main img { width: 100%; height: auto; display: block; vertical-align: middle; }
.hero-banner-thumbs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.hero-banner-thumbs img {
  width: 100%; height: 88px; object-fit: cover; object-position: top center;
  border-radius: 12px; border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.hero-flow {
  display: flex; flex-direction: column; gap: 10px;
}
.hero-flow-step {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px; font-size: 0.86rem;
}
.hero-flow-step .num {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.hero-badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  font-size: 0.82rem; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 2.85rem); font-weight: 800; line-height: 1.18; margin-bottom: 18px; }
.hero-lead { font-size: 1.05rem; opacity: .92; margin-bottom: 28px; max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-tags span {
  padding: 5px 12px; border-radius: 8px; font-size: 0.78rem;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
}

section { padding: 72px 24px; }
section.alt,
.section--white { background: #fff; }
.section--muted { background: var(--bg); }
.section--tint { background: linear-gradient(180deg, #f0f9ff 0%, var(--bg) 100%); }
.section--warm { background: linear-gradient(180deg, #fff7ed 0%, #fff 100%); }
.section-inner { max-width: var(--max); margin: 0 auto; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head h2 { font-size: 1.85rem; font-weight: 800; margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 1rem; }
.section-label {
  display: inline-block; padding: 4px 12px; border-radius: 6px;
  background: #e0f2fe; color: var(--primary); font-size: 0.75rem; font-weight: 700;
  margin-bottom: 10px; letter-spacing: .05em;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) {
  .hero-inner, .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero::before { background-size: 360px auto; opacity: .2; }
  .hero-banner-thumbs img { height: 72px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(255,255,255,.98); border-bottom: 1px solid var(--border);
    padding: 12px 16px 16px; box-shadow: 0 12px 32px rgba(15,23,42,.08);
  }
  .nav-links.is-open { display: flex; }
  .nav-links .nav-link { padding: 12px 14px; border-radius: 10px; }
  .nav-links .nav-link:not(.nav-cta) { border-bottom: 1px solid #f1f5f9; }
  .nav-links .nav-cta { margin: 8px 0 0; width: 100%; text-align: center; justify-content: center; }
  .topnav-inner { position: relative; }
}

/* 移动端导航按钮 */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: 8px; border: 1px solid var(--border);
  border-radius: 10px; background: #fff; cursor: pointer;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 痛点区块 */
.pain-section { background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.pain-grid-main {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
@media (max-width: 900px) { .pain-grid-main { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pain-grid-main { grid-template-columns: 1fr; } }
.pain-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; transition: box-shadow .2s, border-color .2s;
}
.pain-card:hover { box-shadow: 0 8px 24px rgba(239,68,68,.06); border-color: #fecaca; }
.pain-icon { font-size: 1.6rem; display: block; margin-bottom: 10px; }
.pain-card h3 { font-size: 1rem; margin-bottom: 8px; }
.pain-card p { color: var(--muted); font-size: 0.86rem; line-height: 1.6; }

/* 服务线矩阵 */
.service-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
@media (max-width: 900px) { .service-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .service-grid { grid-template-columns: 1fr; } }
.service-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; transition: box-shadow .2s, transform .15s;
}
.service-card:hover { box-shadow: 0 10px 32px rgba(2,132,199,.1); transform: translateY(-2px); }
.service-card-wide { grid-column: span 1; }
@media (min-width: 901px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .service-card-wide { grid-column: 2 / 4; display: grid; grid-template-columns: auto 1fr; gap: 0 16px; align-items: start; }
  .service-card-wide .service-icon { grid-row: span 2; }
}
.service-icon { font-size: 2rem; margin-bottom: 10px; }
.service-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.service-desc { color: var(--muted); font-size: 0.84rem; margin-bottom: 10px; }
.service-card ul { padding-left: 16px; color: var(--muted); font-size: 0.8rem; line-height: 1.8; }
.service-footnote {
  margin-top: 24px; text-align: center; color: var(--muted); font-size: 0.88rem;
  padding: 14px 20px; background: #e0f2fe; border-radius: 10px;
}

/* 灵活用工痛点 */
.flex-pain-section { background: linear-gradient(180deg, #fef2f2 0%, #fff 40%, #f8fafc 100%); }
.flex-pain-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
@media (max-width: 900px) { .flex-pain-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .flex-pain-grid { grid-template-columns: 1fr; } }
.flex-pain-card {
  background: #fff; border: 1px solid #fecaca; border-radius: var(--radius);
  padding: 22px; position: relative; overflow: hidden;
}
.flex-pain-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #ef4444, #f59e0b);
}
.flex-pain-card h3 { font-size: 1rem; margin-bottom: 8px; color: #991b1b; }
.flex-pain-card .old-way {
  font-size: 0.82rem; color: #64748b; margin-bottom: 10px; padding: 8px 10px;
  background: #f8fafc; border-radius: 8px; border-left: 3px solid #cbd5e1;
}
.flex-pain-card .sys-way {
  font-size: 0.84rem; color: #0f766e; padding: 8px 10px;
  background: #ecfdf5; border-radius: 8px; border-left: 3px solid var(--accent);
}
.flex-pain-card .sys-way strong { color: #047857; }

/* 模块化多业务架构 */
.mod-platform { display: flex; flex-direction: column; gap: 28px; }
.mod-core-wrap {
  background: linear-gradient(135deg, #0f172a, #0c4a6e);
  border-radius: var(--radius); padding: 28px; color: #e2e8f0;
}
.mod-core-head { text-align: center; margin-bottom: 22px; }
.mod-core-head h3 { font-size: 1.2rem; color: #fff; margin-bottom: 6px; }
.mod-core-head p { font-size: 0.88rem; color: #94a3b8; }
.mod-core-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
@media (max-width: 900px) { .mod-core-grid { grid-template-columns: repeat(2, 1fr); } }
.mod-core-item {
  background: rgba(255,255,255,.06); border: 1px solid rgba(2,132,199,.35);
  border-radius: 12px; padding: 16px 12px; text-align: center;
}
.mod-core-item .icon { font-size: 1.5rem; margin-bottom: 8px; }
.mod-core-item h4 { font-size: 0.88rem; color: #f1f5f9; margin-bottom: 4px; }
.mod-core-item p { font-size: 0.72rem; color: #94a3b8; line-height: 1.5; }
.mod-connector {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  color: var(--muted); font-size: 0.82rem; font-weight: 600;
}
.mod-connector::before, .mod-connector::after {
  content: ''; flex: 1; height: 2px; background: linear-gradient(90deg, transparent, #c7d2fe, transparent);
}
.mod-biz-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
@media (max-width: 900px) { .mod-biz-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .mod-biz-grid { grid-template-columns: 1fr; } }
.mod-biz-card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 18px; position: relative; transition: box-shadow .2s, border-color .2s;
}
.mod-biz-card:hover { box-shadow: 0 10px 28px rgba(2,132,199,.1); border-color: #7dd3fc; }
.mod-plug {
  position: absolute; top: 12px; right: 12px;
  font-size: 0.65rem; font-weight: 700; padding: 3px 8px; border-radius: 6px;
  background: #e0f2fe; color: var(--primary); letter-spacing: .03em;
}
.mod-biz-card .biz-icon { font-size: 1.6rem; margin-bottom: 8px; }
.mod-biz-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.mod-biz-card .biz-role { font-size: 0.78rem; color: var(--primary); margin-bottom: 8px; }
.mod-biz-card ul { list-style: none; padding: 0; }
.mod-biz-card li {
  font-size: 0.76rem; color: var(--muted); padding: 4px 0;
  border-bottom: 1px dashed #f1f5f9;
}
.mod-biz-card li:last-child { border-bottom: none; }
.mod-biz-card li::before { content: '✓ '; color: var(--accent); font-weight: 700; }
.mod-shared-note {
  text-align: center; padding: 16px 20px; margin-top: 8px;
  background: #f0fdf4; border: 1px solid #a7f3d0; border-radius: 12px;
  font-size: 0.88rem; color: #047857;
}
.service-card .mod-tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; padding: 2px 8px;
  border-radius: 6px; background: #ecfdf5; color: #047857; margin-bottom: 8px;
}

/* 适用场景 */
.scenario-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
@media (max-width: 900px) { .scenario-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .scenario-grid { grid-template-columns: 1fr; } }
.scenario-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: box-shadow .2s;
}
.scenario-card:hover { box-shadow: 0 10px 28px rgba(2,132,199,.1); }
.scenario-card .scenario-thumb {
  height: 120px; background: #f1f5f9 center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.scenario-card h3 { font-size: 1rem; padding: 14px 18px 6px; margin: 0; }
.scenario-card p { font-size: 0.84rem; color: var(--muted); padding: 0 18px 18px; margin: 0; line-height: 1.6; }

/* 部署合作 */
.deploy-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 900px) { .deploy-grid { grid-template-columns: 1fr; } }
.deploy-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column;
}
.deploy-card-featured {
  border-color: #c7d2fe; box-shadow: 0 12px 40px rgba(2,132,199,.12);
  background: linear-gradient(180deg, #fff 0%, #f5f3ff 100%);
}
.deploy-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.deploy-card > p { color: var(--muted); font-size: 0.88rem; margin-bottom: 14px; flex: 1; }
.deploy-card ul { padding-left: 18px; color: var(--muted); font-size: 0.84rem; line-height: 1.9; margin-bottom: 18px; }
.deploy-card .btn { align-self: flex-start; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: box-shadow .2s, border-color .2s;
}
.card:hover { box-shadow: 0 8px 28px rgba(2,132,199,.08); border-color: #c7d2fe; }
.card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.88rem; }
.card .icon { font-size: 1.8rem; margin-bottom: 10px; }

/* 双视角：网站 vs 系统 */
.dual-perspective { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.perspective-box {
  border-radius: var(--radius); padding: 28px; border: 2px solid var(--border);
}
.perspective-box.web { background: linear-gradient(180deg, #fafbff, #fff); border-color: #c7d2fe; }
.perspective-box.sys { background: linear-gradient(180deg, #f0fdf4, #fff); border-color: #a7f3d0; }
.perspective-box h3 { font-size: 1.15rem; margin-bottom: 12px; }
.perspective-box ul { list-style: none; }
.perspective-box li {
  padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; color: var(--muted);
}
.perspective-box li strong { color: var(--text); }

/* 大屏展示区 */
.screen-section { background: #060912; padding: 80px 24px; }
.screen-section .section-head h2 { color: #fff; }
.screen-section .section-head p { color: #94a3b8; }
.screen-tabs {
  display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 28px;
}
.screen-tab {
  padding: 10px 22px; border-radius: 999px; border: 1px solid var(--screen-border);
  background: transparent; color: #94a3b8; font-size: 0.88rem; font-weight: 600; cursor: pointer;
  transition: all .2s;
}
.screen-tab.active, .screen-tab:hover {
  background: var(--screen-glow); color: #e0f2fe; border-color: var(--primary);
  box-shadow: 0 0 20px var(--screen-glow);
}
.screen-viewport {
  max-width: var(--max); margin: 0 auto; border-radius: 14px;
  border: 1px solid var(--screen-border); overflow: hidden;
  box-shadow: 0 0 60px rgba(2,132,199,.12), 0 24px 48px rgba(0,0,0,.4);
}
.screen-chrome {
  background: #0d1324; padding: 10px 16px; display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--screen-border);
}
.screen-dot { width: 10px; height: 10px; border-radius: 50%; }
.screen-dot.r { background: #ef4444; }
.screen-dot.y { background: #f59e0b; }
.screen-dot.g { background: #10b981; }
.screen-title { margin-left: 12px; font-size: 0.78rem; color: #64748b; }
.screen-body { display: none; min-height: 480px; background: var(--screen-bg); padding: 20px; }
.screen-body.active { display: block; }

/* 运营指挥大屏 */
.ops-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; }
.ops-kpi {
  background: var(--screen-panel); border: 1px solid var(--screen-border); border-radius: 10px;
  padding: 16px; position: relative; overflow: hidden;
}
.ops-kpi::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.ops-kpi .label { font-size: 0.72rem; color: #64748b; margin-bottom: 6px; }
.ops-kpi .val { font-size: 1.65rem; font-weight: 800; color: #f1f5f9; font-variant-numeric: tabular-nums; }
.ops-kpi .sub { font-size: 0.7rem; color: #10b981; margin-top: 4px; }
.ops-kpi.warn .sub { color: #f59e0b; }
.ops-main { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
.ops-panel {
  background: var(--screen-panel); border: 1px solid var(--screen-border);
  border-radius: 10px; padding: 16px;
}
.ops-panel h4 { font-size: 0.82rem; color: #94a3b8; margin-bottom: 14px; font-weight: 600; }
.bar-chart { display: flex; align-items: flex-end; gap: 8px; height: 140px; padding-top: 8px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.bar {
  width: 100%; border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #0284c7, #0369a1); min-height: 8px;
  animation: barGrow 1s ease-out forwards;
}
.bar-col span { font-size: 0.65rem; color: #64748b; }
@keyframes barGrow { from { transform: scaleY(0); transform-origin: bottom; } to { transform: scaleY(1); } }
.ops-list { list-style: none; }
.ops-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.06); font-size: 0.78rem; color: #cbd5e1;
}
.ops-tag {
  padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; font-weight: 600;
}
.ops-tag.d1 { background: #334155; color: #94a3b8; }
.ops-tag.d3 { background: rgba(245,158,11,.2); color: #fbbf24; }
.ops-tag.d4 { background: rgba(239,68,68,.2); color: #f87171; }
.level-bars { display: flex; flex-direction: column; gap: 10px; }
.level-row { display: flex; align-items: center; gap: 10px; font-size: 0.75rem; color: #94a3b8; }
.level-row .track { flex: 1; height: 8px; background: #1e293b; border-radius: 4px; overflow: hidden; }
.level-row .fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, #0284c7, #5eead4); }

@media (max-width: 768px) {
  .ops-grid { grid-template-columns: repeat(2, 1fr); }
  .ops-main { grid-template-columns: 1fr; }
}

/* 管理端 mock */
.admin-mock { display: grid; grid-template-columns: 200px 1fr; min-height: 460px; background: #f1f5f9; }
.admin-side {
  background: linear-gradient(180deg, #0284c7, #0d9488); color: #fff; padding: 16px 10px;
}
.admin-side .brand { font-weight: 700; font-size: 0.82rem; padding: 8px 10px 16px; border-bottom: 1px solid rgba(255,255,255,.2); margin-bottom: 8px; }
.admin-nav a {
  display: block; padding: 8px 12px; border-radius: 8px; font-size: 0.78rem;
  color: rgba(255,255,255,.75); text-decoration: none; margin-bottom: 2px;
}
.admin-nav a.on { background: rgba(255,255,255,.15); color: #fff; }
.admin-main { padding: 16px; overflow: hidden; }
.admin-main h4 { font-size: 0.95rem; margin-bottom: 12px; color: var(--text); }
.mock-table { width: 100%; border-collapse: collapse; font-size: 0.72rem; background: #fff; border-radius: 8px; overflow: hidden; }
.mock-table th { background: #f8fafc; padding: 8px 10px; text-align: left; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); }
.mock-table td { padding: 8px 10px; border-bottom: 1px solid #f1f5f9; color: var(--text); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; font-weight: 600; }
.badge-indigo { background: #e0f2fe; color: #0369a1; }
.badge-green { background: #ecfdf5; color: #047857; }
.badge-yellow { background: #fef3c7; color: #b45309; }
.badge-red { background: #fef2f2; color: #b91c1c; }
.badge-gray { background: #f1f5f9; color: #64748b; }

/* 执行端 mock */
.taker-mock {
  display: flex; justify-content: center; align-items: flex-start; gap: 24px;
  padding: 20px; background: linear-gradient(180deg, #e0f2fe, #f8fafc); min-height: 460px;
}
.phone {
  width: 280px; background: #111; border-radius: 32px; padding: 10px;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.phone-screen {
  background: #fff; border-radius: 24px; overflow: hidden; min-height: 420px;
}
.phone-status { height: 28px; background: #f8fafc; display: flex; align-items: center; justify-content: center; font-size: 0.65rem; color: var(--muted); }
.phone-content { padding: 14px; }
.phone-content h5 { font-size: 0.9rem; margin-bottom: 10px; }
.grab-card {
  border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 10px;
  background: #fff;
}
.grab-card .tags { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 6px; }
.grab-card .title { font-size: 0.78rem; font-weight: 600; margin-bottom: 6px; }
.grab-card .meta { font-size: 0.68rem; color: var(--muted); }
.level-card-mini {
  background: linear-gradient(135deg, #0284c7, #0d9488); color: #fff;
  border-radius: 10px; padding: 12px; margin-bottom: 12px; font-size: 0.75rem;
}
.taker-desc { max-width: 320px; padding-top: 20px; }
.taker-desc h4 { margin-bottom: 10px; }
.taker-desc p { color: var(--muted); font-size: 0.88rem; margin-bottom: 8px; }

/* 模块矩阵 */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.module-card {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px;
}
.module-card .num {
  width: 32px; height: 32px; border-radius: 8px; background: #e0f2fe; color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem;
  margin-bottom: 10px;
}
.module-card h3 { font-size: 0.95rem; margin-bottom: 6px; }
.module-card p { font-size: 0.82rem; color: var(--muted); line-height: 1.6; }
.module-card ul { margin-top: 8px; padding-left: 16px; font-size: 0.78rem; color: var(--muted); }
.feature-catalog {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-group {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px 16px;
}
.feature-group h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0f2fe;
}
.feature-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.feature-group li {
  position: relative;
  padding: 7px 0 7px 20px;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.55;
  border-bottom: 1px dashed #f1f5f9;
}
.feature-group li:last-child { border-bottom: none; }
.feature-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95em;
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--primary);
}
@media (max-width: 768px) {
  .module-grid, .dual-perspective, .feature-catalog { grid-template-columns: 1fr; }
}

/* 流程时间线 */
.timeline { position: relative; padding-left: 32px; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.tl-item { position: relative; margin-bottom: 24px; }
.tl-item::before {
  content: ''; position: absolute; left: -32px; top: 4px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--primary); border: 3px solid #e0f2fe;
}
.tl-item h4 { font-size: 1rem; margin-bottom: 4px; }
.tl-item p { font-size: 0.88rem; color: var(--muted); }

/* 权限表 */
.perm-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.perm-table th, .perm-table td { padding: 10px 12px; border: 1px solid var(--border); text-align: center; }
.perm-table th { background: #f8fafc; }
.perm-table td:first-child { text-align: left; font-weight: 600; }
.perm-yes { color: var(--success); }
.perm-no { color: #cbd5e1; }

.demo-box {
  background: linear-gradient(135deg, #0f172a, #0c4a6e);
  color: #fff; border-radius: 20px; padding: 48px 40px; text-align: center;
}

/* 在线演示 · 角色卡片 */
.demo-section {
  padding: 72px 24px;
  background: linear-gradient(160deg, #0f172a 0%, #0f172a 50%, #0c4a6e 100%);
}
.demo-panel {
  max-width: var(--max);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 40px 36px;
  color: #e2e8f0;
}
.demo-panel-head { text-align: center; margin-bottom: 28px; }
.demo-panel-head h2 { color: #fff; font-size: 1.75rem; margin: 8px 0 10px; }
.demo-panel-head p { color: #94a3b8; max-width: 560px; margin: 0 auto; font-size: 0.95rem; }
.demo-panel-head code { background: rgba(255,255,255,.1); padding: 2px 8px; border-radius: 4px; color: #c7d2fe; }
.demo-role-group-label {
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: #a5b4fc; font-weight: 700; margin: 20px 0 10px;
}
.demo-role-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
}
@media (max-width: 900px) { .demo-role-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .demo-role-grid { grid-template-columns: 1fr; } }
.demo-role-card {
  display: block; text-decoration: none; color: inherit;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px; padding: 14px 16px;
  transition: border-color .15s, transform .15s, background .15s;
}
.demo-role-card:hover {
  border-color: rgba(129, 140, 248, 0.6);
  background: rgba(49, 46, 129, 0.45);
  transform: translateY(-2px);
  text-decoration: none;
}
.demo-role-card.highlight { border-color: rgba(2, 132, 199, 0.5); }
.demo-role-card strong { display: block; color: #f1f5f9; font-size: 0.92rem; margin-bottom: 4px; }
.demo-role-card span { display: block; color: #94a3b8; font-size: 0.75rem; font-family: ui-monospace, monospace; }
.demo-role-card em { display: block; margin-top: 6px; color: #64748b; font-size: 0.72rem; font-style: normal; }
.demo-role-grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 520px) { .demo-role-grid--3 { grid-template-columns: 1fr; } }

/* 演示入口 · 高级展示台 */
.demo-stage {
  position: relative; margin-bottom: 32px;
  border-radius: 24px; overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.14);
  background: #070d18;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.04) inset,
    0 32px 64px rgba(0,0,0,.45);
}
.demo-entry-track {
  position: relative; min-height: 380px;
}
@media (max-width: 768px) { .demo-entry-track { min-height: 520px; } }
.demo-entry-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .55s ease, visibility .55s;
}
.demo-entry-slide.is-active { opacity: 1; visibility: visible; pointer-events: auto; }
.demo-entry-slide[data-tone="admin"] {
  background: radial-gradient(ellipse 80% 60% at 85% 20%, rgba(56,189,248,.18), transparent 55%),
    linear-gradient(135deg, #0b1220 0%, #0f2744 48%, #0c1a30 100%);
}
.demo-entry-slide[data-tone="design"] {
  background: radial-gradient(ellipse 70% 55% at 90% 30%, rgba(167,139,250,.2), transparent 50%),
    linear-gradient(135deg, #0f0a1e 0%, #1a1040 45%, #0c2340 100%);
}
.demo-entry-slide[data-tone="dev"] {
  background: radial-gradient(ellipse 75% 60% at 88% 25%, rgba(45,212,191,.16), transparent 52%),
    linear-gradient(135deg, #071318 0%, #0c2e33 50%, #0f172a 100%);
}
.demo-entry-slide[data-tone="tour"] {
  background: radial-gradient(ellipse 70% 50% at 82% 35%, rgba(251,191,36,.12), transparent 50%),
    linear-gradient(135deg, #111827 0%, #1e293b 55%, #0f172a 100%);
}
.demo-entry-inner {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 28px;
  align-items: center; min-height: 380px; padding: 44px 44px 36px;
}
@media (max-width: 768px) {
  .demo-entry-inner { grid-template-columns: 1fr; padding: 32px 24px 24px; min-height: 520px; }
  .demo-entry-visual { order: -1; }
}
.demo-entry-copy { position: relative; z-index: 2; max-width: 420px; }
.demo-entry-num {
  position: absolute; top: -28px; left: -8px; margin: 0;
  font-size: clamp(4rem, 10vw, 6.5rem); font-weight: 900; line-height: 1;
  color: rgba(255,255,255,.04); pointer-events: none; user-select: none;
}
.demo-entry-tag {
  display: inline-block; margin-bottom: 12px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: #7dd3fc;
}
.demo-entry-slide[data-tone="design"] .demo-entry-tag { color: #c4b5fd; }
.demo-entry-slide[data-tone="dev"] .demo-entry-tag { color: #5eead4; }
.demo-entry-slide[data-tone="tour"] .demo-entry-tag { color: #fcd34d; }
.demo-entry-copy h3 {
  color: #f8fafc; font-size: clamp(1.45rem, 3vw, 1.85rem); font-weight: 800;
  line-height: 1.25; margin: 0 0 12px; letter-spacing: -.02em;
}
.demo-entry-lead {
  color: #94a3b8; font-size: 0.92rem; line-height: 1.7; margin: 0 0 24px;
}
.demo-entry-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff; font-size: 0.9rem; font-weight: 700; text-decoration: none;
  box-shadow: 0 8px 28px rgba(14,165,233,.35);
  transition: transform .15s, box-shadow .15s;
}
.demo-entry-cta:hover {
  transform: translateY(-2px); box-shadow: 0 12px 32px rgba(14,165,233,.45);
  color: #fff; text-decoration: none;
}
.demo-entry-cta--ghost {
  background: transparent; border: 1px solid rgba(199,210,254,.35);
  box-shadow: none; color: #e2e8f0;
}
.demo-entry-cta--ghost:hover { background: rgba(255,255,255,.06); box-shadow: none; }
.demo-entry-visual {
  display: flex; justify-content: center; align-items: center;
  perspective: 1200px;
}
.demo-entry-device {
  width: 100%; max-width: 440px;
  border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(15,23,42,.6);
  box-shadow:
    0 24px 48px rgba(0,0,0,.5),
    0 0 0 1px rgba(255,255,255,.06) inset;
  transform: rotateY(-8deg) rotateX(4deg);
  transition: transform .5s ease;
}
.demo-entry-slide.is-active .demo-entry-device { transform: rotateY(-4deg) rotateX(2deg) translateY(-4px); }
.demo-entry-device img {
  width: 100%; height: auto; display: block; vertical-align: middle;
  opacity: .92;
}
.demo-entry-device--flow img { object-fit: cover; max-height: 220px; }
.demo-stage-foot {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 14px 20px 18px;
  border-top: 1px solid rgba(255,255,255,.06);
  background: rgba(7,13,24,.85);
}
.demo-stage-arrow {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04);
  color: #cbd5e1; font-size: 1.25rem; line-height: 1; cursor: pointer; font-family: inherit;
  transition: background .15s, border-color .15s;
}
.demo-stage-arrow:hover { background: rgba(255,255,255,.1); border-color: rgba(125,211,252,.4); color: #fff; }
.demo-entry-dots {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;
}
.demo-entry-dots button {
  border: 1px solid rgba(255,255,255,.1); background: rgba(15,23,42,.6);
  border-radius: 999px; padding: 6px 14px; cursor: pointer; font: inherit;
  transition: background .15s, border-color .15s;
}
.demo-entry-dots button span {
  font-size: 0.78rem; font-weight: 600; color: #94a3b8;
}
.demo-entry-dots button.is-active {
  background: rgba(14,165,233,.2); border-color: rgba(56,189,248,.55);
}
.demo-entry-dots button.is-active span { color: #e0f2fe; }

/* 演示 Tab 分端 */
.demo-portal { margin-top: 8px; }
.demo-portal-tabs {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px;
}
.demo-portal-tab {
  flex: 1; min-width: 120px; padding: 10px 14px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,.14); background: rgba(15,23,42,.5);
  color: #94a3b8; font-size: 0.85rem; font-weight: 600; cursor: pointer; font: inherit;
}
.demo-portal-tab.is-active {
  background: rgba(2,132,199,.35); border-color: #38bdf8; color: #fff;
}
.demo-portal-panel { display: none; }
.demo-portal-panel.is-active { display: block; }
.demo-portal-banner {
  display: flex; align-items: center; gap: 14px; margin-bottom: 14px;
  padding: 10px 12px; border-radius: 12px;
  background: rgba(15,23,42,.55); border: 1px solid rgba(255,255,255,.08);
}
.demo-portal-banner img {
  width: 88px; height: 56px; object-fit: cover; border-radius: 8px; flex-shrink: 0;
}
.demo-portal-banner strong { display: block; color: #f1f5f9; font-size: 0.95rem; }
.demo-portal-banner span { display: block; color: #64748b; font-size: 0.78rem; margin-top: 2px; }

.demo-tour-fold {
  margin-top: 20px; padding: 12px 16px; border-radius: 12px;
  background: rgba(15,23,42,.45); border: 1px solid rgba(255,255,255,.08);
  color: #94a3b8; font-size: 0.88rem;
}
.demo-tour-fold summary {
  cursor: pointer; color: #c7d2fe; font-weight: 600; list-style: none;
}
.demo-tour-fold summary::-webkit-details-marker { display: none; }
.tour-steps--compact {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px;
  list-style: none; padding: 14px 0 0; margin: 0;
}
@media (max-width: 768px) { .tour-steps--compact { grid-template-columns: 1fr 1fr; } }
.tour-steps--compact li {
  display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: #cbd5e1;
}
.tour-steps--compact .tour-n {
  width: 22px; height: 22px; font-size: 0.68rem;
}
.demo-foot-row {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; margin-top: 24px; padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.demo-ghost-link { color: #a5b4fc; font-size: 0.88rem; text-decoration: none; }
.demo-ghost-link:hover { color: #fff; text-decoration: underline; }
.demo-hint { color: #64748b; font-size: 0.8rem; }
.internal-only { margin-top: 10px; font-size: 0.75rem; opacity: 0.45; }
.internal-only a { color: #94a3b8; text-decoration: none; }
.internal-only a:hover { opacity: 1; text-decoration: underline; }
.demo-box h2 { font-size: 1.75rem; margin-bottom: 12px; }
.demo-box > p { opacity: .85; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
.demo-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 28px; }
.demo-accounts {
  display: inline-block; text-align: left; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15); border-radius: 12px; padding: 20px 28px;
  font-size: 0.88rem; line-height: 1.9;
}
.demo-accounts code { background: rgba(255,255,255,.12); padding: 2px 8px; border-radius: 4px; }

.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item h4 { font-size: 1rem; margin-bottom: 8px; }
.faq-item p { color: var(--muted); font-size: 0.9rem; }

footer {
  background: #0f172a; color: #94a3b8; padding: 48px 24px 32px; font-size: 0.88rem;
}
.footer-inner { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
footer h4 { color: #fff; margin-bottom: 12px; }
.footer-copy {
  max-width: var(--max); margin: 32px auto 0; padding-top: 24px;
  border-top: 1px solid #334155; text-align: center; font-size: 0.8rem;
}
.footer-copy a { color: #94a3b8; }
.footer-copy a:hover { color: #fff; }
.footer-contact {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.footer-contact .qr {
  width: 96px; height: 96px; border-radius: 8px; background: #fff; padding: 4px;
  object-fit: contain; flex-shrink: 0;
}
.footer-contact .qr-note { font-size: 0.8rem; color: #94a3b8; line-height: 1.5; }
@media (max-width: 768px) { .footer-inner { grid-template-columns: 1fr; } .admin-mock { grid-template-columns: 1fr; } .admin-side { display: none; } }

/* 淘宝素材页 */
.hero-taobao { background: linear-gradient(145deg, #0f172a 0%, #0f172a 40%, #0c4a6e 70%, #0369a1 100%); }
.hero-inner-single { grid-template-columns: 1fr !important; max-width: 820px; }
.taobao-carousel-mock {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
@media (max-width: 900px) { .taobao-carousel-mock { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .taobao-carousel-mock { grid-template-columns: 1fr; } }
.tb-slide {
  aspect-ratio: 1; border-radius: 12px; padding: 16px; display: flex; align-items: center;
  border: 2px solid rgba(255,255,255,.15); position: relative; overflow: hidden;
}
.tb-slide-1 { background: linear-gradient(135deg, #0c4a6e, #0284c7); }
.tb-slide-2 { background: linear-gradient(135deg, #1e293b, #334155); }
.tb-slide-3 { background: linear-gradient(135deg, #0f766e, #14b8a6); }
.tb-slide-4 { background: linear-gradient(135deg, #0b1020, #0c4a6e); }
.tb-slide-5 { background: linear-gradient(135deg, #1e293b, #475569); }
.tb-slide-inner { color: #fff; font-size: 0.78rem; line-height: 1.5; }
.tb-slide-inner h3 { font-size: 1rem; margin: 8px 0 6px; font-weight: 800; }
.tb-tag { font-size: 0.65rem; opacity: .85; background: rgba(0,0,0,.25); padding: 2px 8px; border-radius: 4px; }
.tb-slide-inner ul { margin-top: 8px; padding-left: 14px; font-size: 0.7rem; opacity: .9; }
.tb-vs { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; font-size: 0.72rem; }
.tb-vs .bad { opacity: .75; }
.tb-vs .good { color: #6ee7b7; }
.tb-flow-mini, .tb-trust { margin-top: 10px; padding: 8px; background: rgba(0,0,0,.2); border-radius: 8px; font-size: 0.68rem; }
.tb-screens-mini { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.tb-screens-mini span { padding: 4px 8px; background: rgba(255,255,255,.15); border-radius: 6px; font-size: 0.65rem; }

.copy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.copy-block-wide { grid-column: 1 / -1; }
.copy-block {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px;
}
.copy-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.copy-head h3 { font-size: 0.92rem; }
.copy-block pre {
  background: #f8fafc; border: 1px solid var(--border); border-radius: 8px; padding: 14px;
  font-size: 0.82rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word;
  font-family: inherit; color: var(--text);
}
.copy-btn {
  padding: 4px 12px; border-radius: 6px; border: 1px solid var(--primary); background: #e0f2fe;
  color: var(--primary); font-size: 0.78rem; font-weight: 600; cursor: pointer;
}
.sku-table td:first-child { font-weight: 600; text-align: center; }
.sku-table td:nth-child(2) { text-align: left; }

.detail-modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 768px) { .detail-modules, .copy-grid { grid-template-columns: 1fr; } }
.detail-mod {
  background: var(--screen-panel); border: 1px solid var(--screen-border); border-radius: 10px;
  padding: 16px; color: #e2e8f0;
}
.detail-mod span {
  display: inline-block; width: 28px; height: 28px; border-radius: 6px; background: rgba(2,132,199,.2);
  color: #a5b4fc; font-weight: 800; font-size: 0.75rem; text-align: center; line-height: 28px; margin-bottom: 8px;
}
.detail-mod h4 { font-size: 0.88rem; margin-bottom: 6px; color: #f1f5f9; }
.detail-mod p { font-size: 0.75rem; color: #94a3b8; }

.tb-detail-mock { max-width: 750px; margin: 0 auto; }
.tb-detail-block { padding: 32px 24px; text-align: center; }
.tb-d-hero { background: linear-gradient(135deg, #0c4a6e, #0284c7); color: #fff; }
.tb-d-hero h3 { font-size: 1.4rem; margin-bottom: 8px; }
.tb-d-hero p { opacity: .9; margin-bottom: 16px; }
.tb-badges { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.tb-badges span { padding: 6px 14px; background: rgba(255,255,255,.15); border-radius: 999px; font-size: 0.82rem; }
.tb-d-pain { background: #fff; }
.tb-d-pain h4 { margin-bottom: 16px; color: var(--text); }
.pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; max-width: 400px; margin: 0 auto; }
.pain-grid div { padding: 12px; background: #fef2f2; border-radius: 8px; font-size: 0.85rem; color: #991b1b; }
.tb-d-screen { background: #0b1020; color: #e2e8f0; }
.tb-d-screen h4 { margin-bottom: 16px; }
.tb-mini-screens { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 500px; margin: 0 auto; }
.mini-ops, .mini-admin, .mini-taker {
  background: #121a2e; border: 1px solid rgba(2,132,199,.3); border-radius: 8px; padding: 12px; font-size: 0.72rem;
}
.mini-ops strong { display: block; font-size: 1.4rem; color: #f1f5f9; }
.mini-ops span { color: #64748b; }
.mock-row { height: 8px; background: rgba(255,255,255,.1); border-radius: 4px; margin: 6px 0; }
.grab-mini { margin-top: 8px; padding: 8px; background: rgba(2,132,199,.2); border-radius: 6px; }
.tb-d-cta { background: linear-gradient(135deg, #0c4a6e, #0284c7); color: #fff; }
.tb-d-cta h4 { margin-bottom: 8px; }
.tb-d-cta p { font-size: 0.85rem; opacity: .9; }

.screenshot-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 768px) { .screenshot-links { grid-template-columns: 1fr; } }
.shot-card {
  display: block; padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; transition: box-shadow .2s, border-color .2s;
}
.shot-card:hover { box-shadow: 0 8px 24px rgba(2,132,199,.12); border-color: #c7d2fe; text-decoration: none; }
.shot-card strong { display: block; color: var(--text); margin-bottom: 6px; font-size: 0.95rem; }
.shot-card span { color: var(--muted); font-size: 0.82rem; }
.checklist { margin-top: 12px; padding-left: 20px; color: var(--muted); font-size: 0.88rem; line-height: 2; }

/* 电商场景区块 */
.taobao-scenario-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 768px) { .taobao-scenario-grid { grid-template-columns: 1fr; } }
.taobao-order-types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
@media (max-width: 600px) { .taobao-order-types { grid-template-columns: 1fr 1fr; } }
.tb-order-chip {
  padding: 14px; border-radius: 10px; background: #f8fafc; border: 1px solid #e0f2fe; text-align: center;
}
.tb-order-chip strong { display: block; color: #0369a1; font-size: 0.88rem; margin-bottom: 4px; }
.tb-order-chip span { font-size: 0.75rem; color: var(--muted); }

/* 淘宝店铺 mock 大屏 */
.tb-shop-mock {
  display: grid; grid-template-columns: 280px 1fr; gap: 20px; padding: 20px;
  background: linear-gradient(180deg, #fff7ed, #fff); min-height: 460px;
}
@media (max-width: 768px) { .tb-shop-mock { grid-template-columns: 1fr; } }
.tb-product-card {
  background: #fff; border-radius: 12px; border: 1px solid #fed7aa; overflow: hidden;
  box-shadow: 0 8px 24px rgba(234,88,12,.12);
}
.tb-product-img {
  aspect-ratio: 1; background: linear-gradient(135deg, #0c4a6e, #0284c7);
  display: flex; align-items: center; justify-content: center; color: #fff; text-align: center; padding: 16px;
}
.tb-product-img h4 { font-size: 0.95rem; margin-bottom: 6px; }
.tb-product-img p { font-size: 0.72rem; opacity: .9; }
.tb-product-info { padding: 14px; }
.tb-product-info .price { color: #ff5000; font-size: 1.2rem; font-weight: 800; }
.tb-product-info .price small { font-size: 0.75rem; }
.tb-product-info .title { font-size: 0.82rem; margin: 8px 0; line-height: 1.5; color: var(--text); }
.tb-product-info .sales { font-size: 0.72rem; color: var(--muted); }
.tb-shop-desc { padding-top: 10px; }
.tb-shop-desc h4 { margin-bottom: 12px; color: var(--text); }
.tb-shop-desc p { color: var(--muted); font-size: 0.88rem; margin-bottom: 8px; line-height: 1.7; }
.tb-shop-desc ul { padding-left: 18px; color: var(--muted); font-size: 0.85rem; line-height: 1.9; }

/* 经济趋势 */
.economy-section { background: linear-gradient(180deg, #fff 0%, #f0f9ff 100%); }
.economy-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
@media (max-width: 900px) { .economy-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .economy-grid { grid-template-columns: 1fr; } }
.economy-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px;
}
.eco-stat {
  display: inline-block; font-size: 0.72rem; font-weight: 800; letter-spacing: .04em;
  color: var(--primary); background: #e0f2fe; padding: 4px 10px; border-radius: 6px; margin-bottom: 10px;
}
.economy-card h3 { font-size: 1rem; margin-bottom: 8px; }
.economy-card p { color: var(--muted); font-size: 0.86rem; line-height: 1.65; }
.economy-industries h3 { text-align: center; font-size: 1.05rem; margin-bottom: 14px; }
.eco-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.eco-tags span {
  padding: 6px 14px; border-radius: 999px; font-size: 0.8rem;
  background: #fff; border: 1px solid #bae6fd; color: #0369a1;
}
.economy-foot { text-align: center; color: var(--muted); font-size: 0.9rem; max-width: 720px; margin: 0 auto; }
.economy-more-link { display: inline-block; margin-left: 6px; color: var(--primary); font-weight: 600; white-space: nowrap; }
.economy-more-link:hover { text-decoration: underline; }

/* 合适行业 · 多 Banner */
.section--industries { background: linear-gradient(180deg, #f8fafc 0%, #fff 40%, #f0f9ff 100%); }
.industry-carousel {
  position: relative; max-width: var(--max); margin: 0 auto 36px;
  border-radius: 18px; overflow: hidden; border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(2,132,199,.12); background: #0f172a;
}
.industry-carousel-track { position: relative; height: 320px; }
@media (max-width: 768px) { .industry-carousel-track { height: 280px; } }
.industry-carousel-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .5s ease, visibility .5s;
}
.industry-carousel-slide.is-active { opacity: 1; visibility: visible; pointer-events: auto; }
.industry-carousel-slide img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 20%; display: block;
}
.industry-carousel-caption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 24px 22px;
  background: linear-gradient(0deg, rgba(15,23,42,.92) 0%, rgba(15,23,42,.55) 55%, transparent 100%);
  color: #f8fafc;
}
.industry-carousel-tag {
  display: inline-block; padding: 4px 10px; border-radius: 6px; margin-bottom: 8px;
  background: rgba(2,132,199,.35); border: 1px solid rgba(125,211,252,.4);
  font-size: 0.72rem; font-weight: 700; letter-spacing: .04em;
}
.industry-carousel-caption h3 { font-size: 1.35rem; margin-bottom: 6px; }
.industry-carousel-caption p { font-size: 0.9rem; opacity: .92; max-width: 640px; line-height: 1.6; margin: 0; }
.industry-carousel-dots {
  display: flex; justify-content: center; gap: 8px; padding: 14px; background: #0f172a;
}
.industry-carousel-dots button {
  width: 10px; height: 10px; border-radius: 50%; border: none; padding: 0; cursor: pointer;
  background: rgba(148,163,184,.45); transition: transform .2s, background .2s;
}
.industry-carousel-dots button.is-active { background: #38bdf8; transform: scale(1.15); }

.industry-banner-mosaic {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
@media (max-width: 1100px) { .industry-banner-mosaic { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .industry-banner-mosaic { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .industry-banner-mosaic { grid-template-columns: 1fr; } }
.industry-banner {
  background: #fff; border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  transition: box-shadow .2s, transform .15s, border-color .2s;
}
.industry-banner:hover {
  box-shadow: 0 14px 36px rgba(2,132,199,.12); transform: translateY(-2px); border-color: #7dd3fc;
}
.industry-banner--xl { grid-column: span 2; }
.industry-banner--wide { grid-column: 1 / -1; }
@media (max-width: 520px) { .industry-banner--xl { grid-column: span 1; } }
.industry-banner img {
  width: 100%; height: 130px; object-fit: cover; object-position: center 15%; display: block;
  border-bottom: 1px solid var(--border);
}
.industry-banner--xl img { height: 170px; }
.industry-banner--wide img { height: 200px; object-position: center 30%; }
.industry-banner-body { padding: 14px 16px 16px; }
.industry-banner--xl .industry-banner-body { padding: 16px 18px 18px; }
.industry-banner-tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; padding: 2px 8px; border-radius: 6px;
  margin-bottom: 8px; letter-spacing: .03em;
}
.industry-banner[data-tone="sky"] .industry-banner-tag { background: #e0f2fe; color: #0369a1; }
.industry-banner[data-tone="indigo"] .industry-banner-tag { background: #e0e7ff; color: #4338ca; }
.industry-banner[data-tone="rose"] .industry-banner-tag { background: #ffe4e6; color: #be123c; }
.industry-banner[data-tone="violet"] .industry-banner-tag { background: #ede9fe; color: #6d28d9; }
.industry-banner[data-tone="amber"] .industry-banner-tag { background: #fef3c7; color: #b45309; }
.industry-banner[data-tone="teal"] .industry-banner-tag { background: #ccfbf1; color: #0f766e; }
.industry-banner[data-tone="cyan"] .industry-banner-tag { background: #cffafe; color: #0e7490; }
.industry-banner[data-tone="orange"] .industry-banner-tag { background: #ffedd5; color: #c2410c; }
.industry-banner[data-tone="lime"] .industry-banner-tag { background: #ecfccb; color: #4d7c0f; }
.industry-banner[data-tone="pink"] .industry-banner-tag { background: #fce7f3; color: #be185d; }
.industry-banner[data-tone="slate"] .industry-banner-tag { background: #f1f5f9; color: #475569; }
.industry-banner[data-tone="blue"] .industry-banner-tag { background: #dbeafe; color: #1d4ed8; }
.industry-banner[data-tone="gradient"] .industry-banner-tag { background: linear-gradient(90deg,#e0f2fe,#ede9fe); color: #0369a1; }
.industry-banner-body h3 { font-size: 0.95rem; margin-bottom: 6px; line-height: 1.35; }
.industry-banner--xl .industry-banner-body h3 { font-size: 1.05rem; }
.industry-banner-body p { font-size: 0.8rem; color: var(--muted); margin: 0; line-height: 1.55; }
.industry-banner-body ul {
  list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-wrap: wrap; gap: 6px;
}
.industry-banner-body li {
  font-size: 0.72rem; padding: 3px 8px; border-radius: 6px; background: #f1f5f9; color: #475569;
}
.industry-banner-body--wide h3 { font-size: 1.1rem; }
.industry-banner-body--wide p { font-size: 0.88rem; max-width: 720px; }
.industry-more-tags {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px;
}
.industry-more-tags span {
  padding: 5px 12px; border-radius: 999px; font-size: 0.78rem;
  background: rgba(255,255,255,.85); border: 1px solid #e2e8f0; color: #334155;
}

/* 业务流程 */
.workflow-section { background: #fff; }
.workflow-dual { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
@media (max-width: 768px) { .workflow-dual { grid-template-columns: 1fr; } }
.workflow-panel {
  border-radius: var(--radius); padding: 22px; border: 1px solid var(--border);
}
.workflow-forward { background: linear-gradient(180deg, #ecfdf5, #fff); border-color: #a7f3d0; }
.workflow-reverse { background: linear-gradient(180deg, #fff7ed, #fff); border-color: #fed7aa; }
.workflow-panel h3 { font-size: 1rem; margin-bottom: 14px; }
.flow-steps { list-style: none; counter-reset: flow; }
.flow-steps li {
  display: flex; flex-direction: column; gap: 4px; padding: 10px 0 10px 36px;
  position: relative; border-bottom: 1px dashed var(--border); font-size: 0.86rem;
}
.flow-steps li:last-child { border-bottom: none; }
.flow-steps li::before {
  counter-increment: flow; content: counter(flow);
  position: absolute; left: 0; top: 10px; width: 24px; height: 24px; border-radius: 6px;
  background: var(--primary); color: #fff; font-size: 0.72rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.flow-steps li span { color: var(--muted); font-size: 0.8rem; }
.workflow-roles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 768px) { .workflow-roles { grid-template-columns: 1fr; } }
.wr-box { padding: 16px; background: #f8fafc; border-radius: 12px; border: 1px solid var(--border); }
.wr-box h4 { font-size: 0.92rem; margin-bottom: 6px; }
.wr-box p { font-size: 0.82rem; color: var(--muted); margin: 0; }

/* 按角色能力 */
.capabilities-section { }
.role-tabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 24px; }
.role-tab {
  padding: 10px 18px; border-radius: 999px; border: 1.5px solid var(--border);
  background: #fff; font-size: 0.88rem; font-weight: 600; cursor: pointer; color: var(--muted);
}
.role-tab:hover { border-color: var(--primary); color: var(--primary); }
.role-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.role-panel { display: none; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.role-panel.active { display: block; }
.cap-list { list-style: none; margin: 0 0 16px; padding: 0; }
.cap-list li {
  padding: 10px 0; border-bottom: 1px solid #f1f5f9; font-size: 0.9rem; color: var(--muted); line-height: 1.6;
}
.cap-list li strong { color: var(--text); }
.cap-more { text-align: center; margin-top: 20px; font-size: 0.9rem; }

/* 对比表 */
.compare-section { background: #f8fafc; }
.compare-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.compare-table th, .compare-table td { padding: 14px 16px; text-align: left; font-size: 0.88rem; border-bottom: 1px solid var(--border); }
.compare-table th { background: #f1f5f9; font-weight: 700; }
.compare-table td:first-child { font-weight: 600; width: 18%; }
.compare-table tr:last-child td { border-bottom: none; }
@media (max-width: 600px) {
  .compare-table { display: block; overflow-x: auto; }
}

/* 演示剧本 */
.demo-persona-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 20px; }
.demo-persona-label { font-size: 0.85rem; opacity: .85; }
.demo-persona {
  padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.1); color: #e0e7ff; font-size: 0.82rem; cursor: pointer;
}
.demo-persona:hover { background: rgba(255,255,255,.2); }
.tour-timeline {
  background: rgba(0,0,0,.2); border-radius: 12px; padding: 20px; margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,.12);
}
.tour-timeline h3 { font-size: 0.95rem; margin-bottom: 14px; color: #e0e7ff; }
.tour-steps { list-style: none; margin: 0; padding: 0; }
.tour-steps li {
  display: flex; gap: 12px; align-items: flex-start; padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08); font-size: 0.86rem; color: #cbd5e1;
}
.tour-steps li:last-child { border-bottom: none; }
.tour-n {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(99,102,241,.5); color: #fff; font-size: 0.75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.tour-hint { font-size: 0.82rem; margin-top: 12px; opacity: .9; }
.tour-hint a { color: #a5b4fc; }

.screenshot-links { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .screenshot-links { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .screenshot-links { grid-template-columns: 1fr; } }

/* 业务场景图库 */
.promo-banner-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: var(--max); margin: 0 auto 40px;
}
@media (max-width: 768px) { .promo-banner-row { grid-template-columns: 1fr; } }
.promo-banner {
  position: relative; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border); box-shadow: 0 12px 40px rgba(15,23,42,.08);
  background: #fff;
}
.promo-banner img { width: 100%; height: auto; display: block; }
.promo-banner-label {
  position: absolute; left: 12px; bottom: 12px; padding: 5px 12px; border-radius: 8px;
  background: rgba(15,23,42,.72); color: #f8fafc; font-size: 0.78rem; font-weight: 600;
  backdrop-filter: blur(4px);
}
.scene-gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
@media (max-width: 900px) { .scene-gallery-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .scene-gallery-grid { grid-template-columns: 1fr; } }
.scene-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: box-shadow .2s, transform .15s;
}
.scene-card:hover { box-shadow: 0 12px 32px rgba(2,132,199,.12); transform: translateY(-2px); }
.scene-card img {
  width: 100%; height: 140px; object-fit: cover; object-position: top center; display: block;
  border-bottom: 1px solid var(--border);
}
.scene-card-body { padding: 16px 18px; }
.scene-card-body h3 { font-size: 0.95rem; margin-bottom: 6px; }
.scene-card-body p { font-size: 0.82rem; color: var(--muted); margin: 0; line-height: 1.55; }
.screen-section-image {
  max-width: var(--max); margin: 0 auto 24px; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--screen-border); box-shadow: 0 16px 48px var(--screen-glow);
}
.screen-section-image img { width: 100%; height: auto; display: block; }
.hero-inner-single { grid-template-columns: 1fr !important; max-width: 800px; text-align: center; }
.hero-inner-single .hero-lead { max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-inner-single .hero-tags { justify-content: center; }
.hero-taobao { background: linear-gradient(145deg, #431407 0%, #9a3412 35%, #0284c7 100%); }
.hero-taobao::before { opacity: .25; }