/* ============================================================
   1010AI.cn · 品牌综合官网  —  共享样式（科技主题版）
   VI: 主深蓝 #0A2D5C / 亮蓝 #1A6FD4 / 浅蓝高光 #3FA3E8
   极浅蓝白背景 #F5F8FC · 深墨蓝文字 #0A1A2E · 科技渐变强调
   ============================================================ */

:root {
  /* 背景层（科技浅蓝白） */
  --bg:            #f5f8fc;
  --bg-1:          #ffffff;
  --bg-2:          #eef4fb;
  --bg-card:       #ffffff;
  --bg-card-hover: #ffffff;
  --field-bg:      #eef3f9;

  /* 主色（科技蓝，呼应 1010AI.cn logo） */
  --blue:       #1a6fd4;
  --blue-2:     #0a5bc0;
  --blue-bright:#3fa3e8;
  --blue-soft:  rgba(26, 111, 212, 0.10);
  --blue-line:  rgba(26, 111, 212, 0.28);

  /* 深蓝（品牌主色，用于大标题/深色块） */
  --navy:      #0a2d5c;
  --navy-2:    #0f3d78;
  --navy-soft: rgba(10, 45, 92, 0.05);

  /* 文本 */
  --text:     #0a1a2e;
  --text-2:   #2c4a6e;
  --text-dim: #5d7798;

  /* 线 / 阴影 */
  --border:       rgba(10, 45, 92, 0.10);
  --border-soft:  rgba(10, 45, 92, 0.06);
  --glow-blue:    0 18px 50px rgba(26, 111, 212, 0.22);
  --glow-blue-2:  0 14px 40px rgba(26, 111, 212, 0.14);
  --shadow-card:  0 14px 38px rgba(10, 45, 92, 0.10);
  --shadow-soft:  0 8px 22px rgba(10, 45, 92, 0.06);

  /* 渐变（呼应 logo 光泽） */
  --grad: linear-gradient(135deg, #1a6fd4, #3fa3e8);
  --grad-soft: linear-gradient(120deg, rgba(26,111,212,0.16), rgba(63,163,232,0.06));

  /* 尺度 */
  --maxw: 1200px;
  --radius: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
          "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 全局背景装饰（科技浅蓝） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(63, 163, 232, 0.22), transparent 60%),
    radial-gradient(820px 560px at 6% 8%, rgba(26, 111, 212, 0.10), transparent 60%),
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(10, 45, 92, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 45, 92, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ===================== 导航 ===================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; }
.brand-logo {
  height: 32px; width: auto; display: block;
  border-radius: 8px;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 15px;
  border-radius: 10px;
  color: var(--text-2);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--blue); background: var(--navy-soft); }
.nav-links a.active { color: var(--blue); font-weight: 700; }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s var(--ease), box-shadow .25s, background .25s;
  white-space: nowrap;
}
.btn-gold {
  background: var(--grad);
  color: #ffffff;
  box-shadow: var(--glow-blue);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 22px 54px rgba(26, 111, 212, 0.34); }
.btn-ghost {
  background: rgba(10, 45, 92, 0.04);
  border-color: var(--border);
  color: var(--navy);
}
.btn-ghost:hover { border-color: var(--blue-line); color: var(--blue); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(10, 45, 92, 0.05);
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 18px; height: 2px; background: var(--navy);
  transform: translate(-50%, -50%); transition: .25s;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }

/* ===================== 区块通用 ===================== */
.section { padding: 96px 0; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--blue-soft); border: 1px solid var(--blue-line);
  color: var(--blue-2); font-size: 13px; font-weight: 700;
  letter-spacing: .6px; margin-bottom: 18px;
}
.section-title { font-size: clamp(26px, 4vw, 40px); font-weight: 800; line-height: 1.25; letter-spacing: .5px; color: var(--navy); }
.section-title .accent { color: var(--blue); }
.section-sub { margin-top: 14px; color: var(--text-dim); font-size: 17px; }

/* ===================== Hero ===================== */
.hero { position: relative; padding: 120px 0 96px; overflow: hidden; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(10, 45, 92, 0.05); border: 1px solid var(--border);
  color: var(--text-2); font-size: 14px; margin-bottom: 26px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 12px rgba(26,111,212,.6); }
.hero h1 {
  font-size: clamp(34px, 6.2vw, 64px);
  font-weight: 900; line-height: 1.12; letter-spacing: 1px;
  max-width: 880px; color: var(--navy);
}
.hero h1 .accent {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { margin-top: 24px; font-size: clamp(17px, 2.2vw, 21px); color: var(--text-2); max-width: 620px; }
.hero-actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 16px; }
.hero-tags { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags span {
  padding: 7px 15px; border-radius: 999px;
  background: var(--blue-soft); border: 1px solid var(--blue-line);
  color: var(--blue-2); font-size: 14px; font-weight: 600;
}

/* Hero 右侧视觉卡 */
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.hero-visual {
  position: relative; border-radius: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff, var(--bg-2));
  padding: 26px; box-shadow: var(--shadow-card);
  overflow: hidden;
}
.hero-visual::before {
  content: ""; position: absolute; inset: -1px;
  background: radial-gradient(420px 220px at 80% 0%, rgba(63, 163, 232, 0.26), transparent 60%);
  pointer-events: none;
}
.vstat-row { display: flex; gap: 14px; flex-wrap: wrap; }
.vstat {
  flex: 1 1 0; min-width: 120px;
  border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 14px;
  background: var(--navy-soft);
}
.vstat-num { font-size: 30px; font-weight: 900; color: var(--blue); line-height: 1; }
.vstat-num small { font-size: 15px; color: var(--blue-bright); font-weight: 700; }
.vstat-label { margin-top: 6px; color: var(--text-dim); font-size: 13px; }
.pulse-line { margin-top: 18px; height: 64px; border-radius: 12px; background:
  linear-gradient(90deg, transparent, rgba(26,111,212,0.14), transparent);
  position: relative; overflow: hidden; border: 1px solid var(--border-soft); }
.pulse-line::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, rgba(10,45,92,0.18) 0 1px, transparent 1px 22px);
  mask-image: linear-gradient(180deg, transparent, #000);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000);
}

/* ===================== 卡片网格 ===================== */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 28px 26px;
  transition: transform .25s var(--ease), border-color .25s, background .25s, box-shadow .25s;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: var(--grad);
  opacity: 0; transition: opacity .25s;
}
.card:hover { transform: translateY(-6px); border-color: var(--blue-line); background: var(--bg-card-hover); box-shadow: var(--shadow-card); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--blue-soft); border: 1px solid var(--blue-line);
  color: var(--blue); font-size: 24px; margin-bottom: 18px;
}
.card h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; color: var(--navy); }
.card p { color: var(--text-dim); font-size: 15px; }
.card .more { margin-top: 16px; color: var(--blue-2); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }

/* ===================== 数据指标条 ===================== */
.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 18px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.metric { text-align: center; }
.metric-num { font-size: clamp(30px, 4vw, 44px); font-weight: 900; color: var(--blue); line-height: 1; }
.metric-num small { font-size: 50%; color: var(--blue-bright); font-weight: 700; }
.metric-label { margin-top: 8px; color: var(--text-dim); font-size: 14px; }

/* ===================== 流程步骤 ===================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 28px 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); box-shadow: var(--shadow-soft); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 15px; font-weight: 800; color: var(--blue);
  background: var(--blue-soft); border: 1px solid var(--blue-line);
  border-radius: 10px; padding: 4px 10px; display: inline-block; margin-bottom: 14px;
}
.step h4 { font-size: 18px; font-weight: 800; margin-bottom: 6px; color: var(--navy); }
.step p { color: var(--text-dim); font-size: 14.5px; }

/* ===================== 平台矩阵（会用→会造） ===================== */
.steps-3 { grid-template-columns: repeat(3, 1fr); }
.step .step-tag { display: inline-block; margin: 10px 0 2px; padding: 3px 10px; border-radius: 999px; background: var(--blue-soft); border: 1px solid var(--blue-line); color: var(--blue-2); font-size: 12.5px; font-weight: 600; }
.step .step-goal { margin-top: 10px; font-size: 13px; color: var(--blue); font-weight: 700; }

.platform-grid { margin-top: 46px; }
.platform-card {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: 30px 26px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); box-shadow: var(--shadow-soft); transition: .25s; overflow: hidden;
}
.platform-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--blue-bright)); opacity: .85;
}
.platform-card:hover { transform: translateY(-6px); border-color: var(--blue-line); box-shadow: var(--shadow-card); }
.platform-card .pc-stage { font-size: 12.5px; font-weight: 700; letter-spacing: .5px; color: var(--blue); }
.platform-card .pc-icon { font-size: 34px; line-height: 1; margin: 4px 0; }
.platform-card h3 { font-size: 21px; font-weight: 800; color: var(--navy); }
.platform-card .pc-audience { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-2); background: rgba(10,45,92,.05); border: 1px solid var(--border-soft); border-radius: 999px; padding: 4px 12px; width: fit-content; }
.platform-card .pc-desc { color: var(--text-dim); font-size: 14.5px; line-height: 1.6; flex: 1; }
.platform-card .pc-need { font-size: 13.5px; color: var(--navy); font-weight: 700; }
.platform-card .pc-need b { color: var(--blue); }
.platform-card .more { margin-top: 6px; }

/* ===================== 标签页（工具/课程） ===================== */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.tab {
  padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(10, 45, 92, 0.04);
  color: var(--text-2); font-size: 14.5px; font-weight: 600; cursor: pointer;
  transition: .2s;
}
.tab:hover { border-color: var(--blue-line); color: var(--navy); }
.tab.active { background: var(--blue-soft); border-color: var(--blue-line); color: var(--blue-2); }

/* ===================== 案例 ===================== */
.case-card { display: flex; flex-direction: column; gap: 12px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-tags span { padding: 4px 11px; border-radius: 999px; background: var(--blue-soft); border: 1px solid var(--blue-line); color: var(--blue-2); font-size: 12.5px; }
.case-card h3 { font-size: 18px; font-weight: 800; color: var(--navy); }
.case-card .sub { color: var(--text-2); font-size: 14.5px; font-weight: 600; }
.case-card p { color: var(--text-dim); font-size: 14.5px; }

/* ===================== 讲师/关于 ===================== */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.avatar {
  aspect-ratio: 1; border-radius: 26px;
  border: 1px solid var(--blue-line);
  background: linear-gradient(160deg, #ffffff, var(--bg-2));
  display: grid; place-items: center; font-size: 96px;
  box-shadow: var(--glow-blue); position: relative; overflow: hidden;
}
.avatar::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(360px 200px at 70% 10%, rgba(63,163,232,0.30), transparent 60%);
}
.cred-list { display: flex; flex-direction: column; gap: 13px; margin-top: 18px; }
.cred-item { display: flex; gap: 11px; align-items: flex-start; }
.cred-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); margin-top: 9px; box-shadow: 0 0 7px rgba(26,111,212,.5); flex: none; }
.cred-text { color: var(--text-2); font-size: 15.5px; }

.quote-card {
  margin-top: 30px; padding: 30px 32px;
  border-radius: var(--radius);
  background: var(--grad-soft);
  border: 1px solid var(--blue-line);
}
.quote-card .mark { font-size: 54px; color: rgba(26,111,212,0.32); line-height: .5; display: block; }
.quote-card p { font-size: 17px; color: var(--text); line-height: 1.9; }
.quote-card .author { margin-top: 14px; color: var(--blue-2); font-weight: 700; text-align: right; }

/* ===================== 联系表单 ===================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); padding: 34px; box-shadow: var(--shadow-soft); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: var(--text-2); margin-bottom: 8px; font-weight: 600; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border-radius: 12px;
  background: var(--field-bg); border: 1px solid var(--border);
  color: var(--text); font-size: 15px; font-family: var(--font);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue-line); box-shadow: 0 0 0 3px rgba(26,111,212,0.14);
}
.field textarea { resize: vertical; min-height: 120px; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.info-row { display: flex; gap: 14px; align-items: center; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-card); box-shadow: var(--shadow-soft); }
.info-row .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--blue-soft); border: 1px solid var(--blue-line); color: var(--blue); font-size: 20px; flex: none; }
.info-row .k { color: var(--text-dim); font-size: 13px; }
.info-row .v { color: var(--text); font-size: 16px; font-weight: 600; }
.qr-box {
  margin-top: 6px; border: 1px solid var(--blue-line); border-radius: var(--radius);
  background: var(--blue-soft); padding: 22px; text-align: center;
}
.qr-box .qr {
  width: 150px; height: 150px; margin: 0 auto 12px; border-radius: 14px;
  background: #fff; display: grid; place-items: center; color: var(--navy); font-size: 13px; font-weight: 700;
}
.qr-box p { color: var(--blue-2); font-size: 14px; }

/* ===================== CTA 横幅 ===================== */
.cta-band {
  border: 1px solid var(--blue-line); border-radius: 24px;
  background: var(--grad-soft);
  padding: 54px 48px; text-align: center; position: relative; overflow: hidden;
}
.cta-band h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 900; color: var(--navy); }
.cta-band p { color: var(--text-2); margin: 14px auto 28px; max-width: 560px; font-size: 17px; }
.cta-band .hero-actions { justify-content: center; }

/* ===================== 页脚 ===================== */
.footer { border-top: 1px solid var(--border); padding: 60px 0 30px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer h5 { font-size: 15px; font-weight: 800; margin-bottom: 16px; color: var(--navy); }
.footer a, .footer p { color: var(--text-dim); font-size: 14.5px; display: block; margin-bottom: 10px; transition: color .2s; }
.footer a:hover { color: var(--blue); }
.footer .brand-blurb { color: var(--text-dim); font-size: 14.5px; margin-top: 14px; max-width: 300px; }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--text-dim); font-size: 13.5px; }

/* ===================== 滚动揭示 ===================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===================== 响应式 ===================== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 28px 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98); border-bottom: 1px solid var(--border);
    padding: 14px 24px; gap: 4px;
  }
  .nav.open .nav-links a { padding: 13px 12px; color: var(--text-2); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 24px; }
}

/* ===================== AI 智能体工作台 ===================== */
.wb-layout { display: grid; grid-template-columns: 340px 1fr; gap: 30px; align-items: start; }
.wb-library { display: flex; flex-direction: column; gap: 14px; max-height: 860px; overflow: auto; padding-right: 6px; }
.wb-agent {
  text-align: left; width: 100%; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-card); padding: 16px 18px;
  transition: transform .2s var(--ease), border-color .2s, background .2s, box-shadow .2s;
  position: relative; font-family: var(--font);
  box-shadow: var(--shadow-soft);
}
.wb-agent:hover { border-color: var(--blue-line); transform: translateX(3px); }
.wb-agent.active { border-color: var(--blue); background: #f3f9ff; box-shadow: var(--glow-blue-2); }
.wb-agent .wa-top { display: flex; align-items: center; gap: 10px; }
.wb-agent .wa-ico {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  display: grid; place-items: center;
  background: var(--blue-soft); border: 1px solid var(--blue-line); color: var(--blue); font-size: 19px;
}
.wb-agent .wa-name { font-size: 15.5px; font-weight: 800; color: var(--navy); }
.wb-agent .wa-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.wb-agent .wa-tags span {
  font-size: 11.5px; padding: 3px 9px; border-radius: 999px;
  background: var(--blue-soft); border: 1px solid var(--blue-line); color: var(--blue-2);
}
.wb-agent .wa-desc { margin-top: 8px; color: var(--text-dim); font-size: 13px; line-height: 1.5; }

.wb-builder { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); padding: 28px; box-shadow: var(--shadow-soft); }
.wb-builder-head {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--border-soft);
}
.wb-builder-head h3 { font-size: 20px; font-weight: 800; color: var(--navy); }
.wb-builder-actions { display: flex; gap: 10px; }
.wb-builder .field textarea { min-height: 84px; line-height: 1.6; font-size: 14.5px; background: var(--field-bg); }
.wb-builder .field label { color: var(--text-2); }
.wb-builder .field input, .wb-builder .field textarea { background: var(--field-bg); color: var(--text); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 10px; }

.wb-output-wrap { margin-top: 24px; border: 1px solid var(--blue-line); border-radius: var(--radius-sm); background: var(--field-bg); overflow: hidden; transition: border-color .3s; }
.wb-output-head {
  display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 14px 18px; background: var(--blue-soft); border-bottom: 1px solid var(--blue-line);
  font-size: 14px; font-weight: 700; color: var(--blue-2);
}
.wb-output-head > div { display: flex; gap: 8px; }
.wb-output {
  margin: 0; padding: 20px; white-space: pre-wrap; word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px; line-height: 1.7; color: #2c3e57; max-height: 520px; overflow: auto;
}

.wb-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 34px; }
.wb-step { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-card); padding: 18px 16px; box-shadow: var(--shadow-soft); }
.wb-step .n {
  font-size: 13px; font-weight: 800; color: var(--blue-2);
  background: var(--blue-soft); border: 1px solid var(--blue-line);
  border-radius: 8px; padding: 3px 9px; display: inline-block; margin-bottom: 10px;
}
.wb-step h4 { font-size: 15px; font-weight: 800; margin-bottom: 6px; color: var(--navy); }
.wb-step p { color: var(--text-dim); font-size: 13px; line-height: 1.55; }

.wb-note {
  margin-top: 18px; padding: 16px 18px; border-radius: var(--radius-sm);
  background: var(--blue-soft); border: 1px solid var(--blue-line); color: var(--text-2); font-size: 14px;
}
.wb-note b { color: var(--blue-2); }

@media (max-width: 960px) {
  .wb-layout { grid-template-columns: 1fr; }
  .wb-library { max-height: none; flex-direction: row; overflow-x: auto; padding-bottom: 6px; }
  .wb-agent { min-width: 264px; }
  .wb-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .wb-steps { grid-template-columns: 1fr; }
  .wb-builder { padding: 20px; }
}

/* ---------- 工作台 · AI 直接产出 ---------- */
.btn-blue {
  background: linear-gradient(135deg, #1A6FD4, #3FA3E8);
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 18px rgba(26,111,212,.28);
}
.btn-blue:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn-blue:disabled { opacity: .6; cursor: not-allowed; transform: none; filter: none; }

.wb-ai-wrap {
  margin-top: 22px; padding: 20px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(26,111,212,.06), rgba(63,163,232,.10));
  border: 1px solid rgba(26,111,212,.18);
}
.wb-ai-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-weight: 700; color: var(--navy); font-size: 16px;
}
.wb-ai-result-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 16px; margin-bottom: 8px;
  font-size: 13px; font-weight: 600; color: var(--text-dim);
}
.wb-ai-result {
  margin: 0; padding: 16px; border-radius: 12px;
  background: #fff; border: 1px solid var(--bd);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px; line-height: 1.7; color: var(--text);
  white-space: pre-wrap; word-break: break-word; max-height: 420px; overflow: auto;
}
.wb-ai-result.error { border-color: #e25555; color: #c0392b; background: #fff6f6; }

.footer-bottom a.icp-link{color:inherit;text-decoration:none}
.footer-bottom a.icp-link:hover{text-decoration:underline;color:#1a6fd4}

.footer-bottom span:last-child{white-space:nowrap}