/* ================================================================
   桔米 AI 数字员工 · 官网样式（index.html / tutorial.html 共用）
   设计基调：深空科技 + 桔橙品牌色 + 玻璃拟态 + 精致栅格
   ================================================================ */

:root {
  --brand: #ff7a29;
  --brand-2: #ff9d4d;
  --brand-dark: #e0560f;
  --brand-light: #fff3ea;
  --ink: #0b1020;
  --ink-2: #141a2e;
  --ink-3: #1c2340;
  --text: #2b2f3a;
  --muted: #6b7280;
  --line: #eceef3;
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --radius: 18px;
  --radius-lg: 26px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  --shadow-brand: 0 16px 40px rgba(255, 122, 41, 0.28);
  --grad-brand: linear-gradient(135deg, #ff9d4d 0%, #ff7a29 50%, #e0560f 100%);
  --grad-ink: linear-gradient(160deg, #0b1020 0%, #121a33 45%, #0f1e3a 100%);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.75;
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

/* ===== 通用容器 & 区块 ===== */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 110px 0; position: relative; }
.section-sm { padding: 80px 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  color: var(--brand-dark);
  background: var(--brand-light);
  border: 1px solid rgba(255, 122, 41, 0.18);
  padding: 6px 16px; border-radius: 999px;
  text-transform: uppercase;
}
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -0.02em;
  color: var(--ink); margin: 20px 0 16px; line-height: 1.25;
}
.section-head p { font-size: 17px; color: var(--muted); }
.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ===== 顶部导航 ===== */
.nav {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 800; color: var(--ink); }
.nav-logo .mark {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; font-size: 18px; box-shadow: var(--shadow-brand);
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 14.5px; color: #4b5162; padding: 8px 14px; border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-soft); }
.nav-cta {
  background: var(--grad-brand); color: #fff !important; font-weight: 600;
  padding: 9px 20px !important; border-radius: 999px; box-shadow: var(--shadow-brand);
  transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-1px); background: var(--grad-brand) !important; }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--ink); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 16px; font-weight: 600; padding: 15px 30px; border-radius: 999px;
  cursor: pointer; border: none; transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 22px 50px rgba(255, 122, 41, 0.38); }
.btn-ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.28); }
.btn-ghost:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-lg { padding: 18px 38px; font-size: 17px; }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--grad-ink);
  padding: 96px 0 120px;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(60% 50% at 78% 12%, rgba(255,122,41,0.22) 0%, transparent 60%),
    radial-gradient(50% 40% at 12% 90%, rgba(77,140,255,0.16) 0%, transparent 60%);
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 0; opacity: 0.5;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
}
.hero .wrap { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16);
  color: #ffd9bf; padding: 7px 16px; border-radius: 999px; font-size: 13.5px; margin-bottom: 26px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 10px #4ade80; animation: pulse 2s infinite; }
.hero h1 {
  font-size: clamp(34px, 5.2vw, 60px); font-weight: 900; line-height: 1.12; letter-spacing: -0.02em;
  color: #fff; margin-bottom: 22px;
}
.hero h1 .grad-text { background: linear-gradient(120deg, #ffd9bf 0%, #ff9d4d 60%, #ff7a29 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: 18.5px; line-height: 1.8; color: rgba(255,255,255,0.78); margin-bottom: 36px; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13.5px; color: rgba(255,255,255,0.62); }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust b { color: #4ade80; font-weight: 700; }

/* Hero 右侧：数字员工控制台预览卡 */
.hero-panel {
  position: relative; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.14);
  padding: 22px; backdrop-filter: blur(8px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.hp-head { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.hp-dots { display: flex; gap: 6px; }
.hp-dots i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.hp-dots i:nth-child(1){ background:#ff5f57; } .hp-dots i:nth-child(2){ background:#febc2e; } .hp-dots i:nth-child(3){ background:#28c840; }
.hp-title { font-size: 13px; color: rgba(255,255,255,0.6); }
.hp-avatar { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 14px; background: rgba(255,255,255,0.06); margin-bottom: 14px; }
.hp-avatar .face { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-brand); display: grid; place-items: center; font-size: 24px; }
.hp-avatar .who b { color: #fff; font-size: 15px; } .hp-avatar .who span { color: rgba(255,255,255,0.55); font-size: 12.5px; }
.hp-avatar .live { margin-left: auto; font-size: 11.5px; color: #4ade80; display: flex; align-items: center; gap: 5px; }
.hp-avatar .live::before { content:''; width:6px;height:6px;border-radius:50%;background:#4ade80;box-shadow:0 0 8px #4ade80; }
.hp-line { display: flex; align-items: flex-start; gap: 10px; padding: 11px 13px; border-radius: 12px; background: rgba(255,255,255,0.045); margin-bottom: 9px; font-size: 13.5px; color: rgba(255,255,255,0.82); }
.hp-line .ic { width: 26px; height: 26px; border-radius: 8px; flex-shrink: 0; display: grid; place-items: center; font-size: 14px; background: rgba(255,122,41,0.16); }
.hp-line b { color: #fff; font-weight: 600; }
.hp-line.ok .ic { background: rgba(52,199,89,0.16); }
.hp-progress { height: 5px; border-radius: 4px; background: rgba(255,255,255,0.1); overflow: hidden; margin-top: 6px; }
.hp-progress i { display: block; height: 100%; width: 72%; background: var(--grad-brand); border-radius: 4px; }
.hero-float {
  position: absolute; z-index: 3; padding: 10px 15px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  background: rgba(255,255,255,0.96); color: var(--ink);
  box-shadow: 0 12px 30px rgba(0,0,0,0.28); border: 1px solid rgba(255,255,255,0.7);
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  animation: floatY 4.5s ease-in-out infinite;
}
.hero-float .fdot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.hero-float.f1 { top: -16px; right: 20px; }
.hero-float.f1 .fdot { background: #ff7a29; box-shadow: 0 0 8px #ff7a29; }
.hero-float.f2 { bottom: -14px; left: 12px; animation-delay: 1.6s; }
.hero-float.f2 .fdot { background: #34c759; box-shadow: 0 0 8px #34c759; }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

/* ===== Logo/平台条 ===== */
.marquee { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; }
.marquee-label { text-align: center; font-size: 13px; color: var(--muted); margin-bottom: 16px; letter-spacing: .04em; }
.marquee-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); font-size: 14px; font-weight: 600; color: #374151;
  box-shadow: var(--shadow-sm);
}
.pill .em { font-size: 16px; }

/* ===== 统计条 ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat { text-align: center; padding: 34px 16px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--line); }
.stat .num { font-size: clamp(30px, 4vw, 44px); font-weight: 900; letter-spacing: -0.02em; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .lbl { font-size: 14px; color: var(--muted); margin-top: 6px; }

/* ===== 痛点 ===== */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px;
  position: relative; overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.pain:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pain .ic { font-size: 30px; margin-bottom: 14px; }
.pain h3 { font-size: 17.5px; color: var(--ink); margin-bottom: 8px; }
.pain p { font-size: 14px; color: var(--muted); }
.pain::after { content: ''; position: absolute; left: 0; top: 0; height: 100%; width: 3px; background: var(--grad-brand); opacity: .6; }

/* ===== 能力矩阵（bento） ===== */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 1fr; gap: 18px; }
.bento-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.bento-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(255,122,41,0.35); }
.bento-card .ic {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 26px;
  background: var(--brand-light); margin-bottom: 18px;
}
.bento-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 10px; }
.bento-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.bento-card .tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 7px; }
.bento-card .tags span { font-size: 12px; color: #4b5162; background: var(--bg-soft); border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }
.bento-wide { grid-column: span 2; }
.bento-dark { background: var(--grad-ink); border: none; color: #fff; }
.bento-dark h3 { color: #fff; } .bento-dark p { color: rgba(255,255,255,0.72); }
.bento-dark .ic { background: rgba(255,122,41,0.18); }
.bento-dark .tags span { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.14); color: rgba(255,255,255,0.85); }

/* ===== 平台自动化 ===== */
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plat {
  display: flex; gap: 16px; padding: 24px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line); transition: transform .2s, box-shadow .2s;
}
.plat:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.plat .ic { width: 48px; height: 48px; flex-shrink: 0; border-radius: 13px; display: grid; place-items: center; font-size: 24px; background: var(--brand-light); }
.plat h4 { font-size: 16px; color: var(--ink); margin-bottom: 5px; }
.plat p { font-size: 13px; color: var(--muted); }

/* ===== 技能网格 ===== */
.skill-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.skill {
  position: relative;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 22px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.skill:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(255,122,41,0.3); }
.skill.new { border-color: rgba(255,122,41,0.35); background: linear-gradient(180deg, #fffaf5 0%, #fff 55%); }
.skill-badge {
  position: absolute; top: 12px; right: 12px;
  font-size: 11px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, #ff8c42, #e56f1f);
  padding: 2px 8px; border-radius: 999px;
}
.skill .ic { font-size: 26px; margin-bottom: 12px; }
.skill h4 { font-size: 15px; color: var(--ink); margin-bottom: 5px; }
.skill p { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.skill-more {
  text-align: center; margin-top: 22px; font-size: 13.5px; color: var(--muted); line-height: 1.7;
}

/* ===== 管理 App 能力 ===== */
.app-feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px;
}
.app-feat {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 22px;
  transition: transform .2s, box-shadow .2s;
}
.app-feat:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.app-feat .ic { font-size: 26px; margin-bottom: 10px; }
.app-feat h4 { font-size: 15px; margin-bottom: 6px; color: var(--ink); }
.app-feat p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.app-steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.app-step {
  display: flex; gap: 12px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px;
}
.app-step .n {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center; font-size: 13px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #ff8c42, #e56f1f);
}
.app-step b { display: block; font-size: 14px; color: var(--ink); margin-bottom: 4px; }
.app-step p { font-size: 12.5px; color: var(--muted); margin: 0; line-height: 1.5; }

/* ===== 双端下载 ===== */
.download-dual {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.dl-card {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 32px 28px;
  box-shadow: var(--shadow-sm); text-align: center;
}
.dl-card.app { border-color: rgba(255,122,41,0.28); background: linear-gradient(180deg, #fffaf5 0%, #fff 40%); }
.dl-icon { font-size: 42px; margin-bottom: 12px; }
.dl-card h3 { font-size: 22px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.dl-desc { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.dl-meta { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.dl-list {
  text-align: left; margin: 22px auto 0; max-width: 320px;
  padding: 0; list-style: none;
}
.dl-list li {
  position: relative; padding: 7px 0 7px 18px;
  font-size: 13px; color: #4b5162; line-height: 1.55;
}
.dl-list li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--brand, #ff8c42);
}

/* ===== AI 引擎（深色区） ===== */
.dark-band { background: var(--grad-ink); color: #fff; position: relative; overflow: hidden; }
.dark-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(50% 60% at 85% 20%, rgba(255,122,41,0.18) 0%, transparent 60%);
}
.dark-band .wrap { position: relative; z-index: 1; }
.dark-band .section-head h2 { color: #fff; }
.dark-band .section-head p { color: rgba(255,255,255,0.68); }
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ai-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius);
  padding: 30px; backdrop-filter: blur(6px); transition: transform .25s, background .25s;
}
.ai-card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.08); }
.ai-card .ic { font-size: 28px; margin-bottom: 16px; }
.ai-card h3 { font-size: 18px; color: #fff; margin-bottom: 10px; }
.ai-card p { font-size: 14px; color: rgba(255,255,255,0.72); line-height: 1.7; }
.ai-models { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 36px; }
.ai-models span { font-size: 13px; color: rgba(255,255,255,0.82); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); padding: 8px 16px; border-radius: 999px; }

/* ===== 工作流步骤 ===== */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.flow-step { position: relative; padding: 30px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.flow-step .n { width: 42px; height: 42px; border-radius: 12px; background: var(--grad-brand); color: #fff; font-weight: 800; font-size: 18px; display: grid; place-items: center; margin-bottom: 18px; box-shadow: var(--shadow-brand); }
.flow-step h4 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.flow-step p { font-size: 13.5px; color: var(--muted); }

/* ===== 场景 ===== */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scene {
  border-radius: var(--radius); padding: 30px; color: #fff; position: relative; overflow: hidden;
  min-height: 220px; display: flex; flex-direction: column; justify-content: flex-end;
}
.scene::before { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(11,16,32,0.2), rgba(11,16,32,0.78)); z-index: 0; }
.scene > * { position: relative; z-index: 1; }
.scene .tag { align-self: flex-start; font-size: 12px; background: rgba(255,255,255,0.2); padding: 4px 12px; border-radius: 999px; margin-bottom: auto; }
.scene h3 { font-size: 20px; margin-bottom: 8px; }
.scene p { font-size: 13.5px; color: rgba(255,255,255,0.85); }
.scene.s1 { background: linear-gradient(135deg, #ff7a29, #e0560f); }
.scene.s2 { background: linear-gradient(135deg, #4d8cff, #2b5fd6); }
.scene.s3 { background: linear-gradient(135deg, #34c759, #1f9d4d); }
.scene.s4 { background: linear-gradient(135deg, #af52de, #7c3aed); }
.scene.s5 { background: linear-gradient(135deg, #ff9500, #ff6a00); }
.scene.s6 { background: linear-gradient(135deg, #1c2340, #0b1020); }

/* ===== 安全 ===== */
.sec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sec { text-align: center; padding: 30px 22px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--line); }
.sec .ic { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px; display: grid; place-items: center; font-size: 26px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.sec h4 { font-size: 16px; color: var(--ink); margin-bottom: 8px; }
.sec p { font-size: 13px; color: var(--muted); }

/* ===== 价格 ===== */
.price-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; align-items: stretch; }
.price {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 22px;
  display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s;
}
.price:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.price.feat { background: var(--grad-ink); color: #fff; border: none; transform: scale(1.04); box-shadow: 0 24px 60px rgba(11,16,32,0.32); }
.price.feat:hover { transform: scale(1.04) translateY(-5px); }
.price .name { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.price .feat-badge { display: inline-block; font-size: 11px; background: var(--grad-brand); color: #fff; padding: 3px 10px; border-radius: 999px; margin-bottom: 12px; }
.price .amt { font-size: 34px; font-weight: 900; letter-spacing: -0.02em; }
.price .amt small { font-size: 14px; font-weight: 500; color: var(--muted); }
.price.feat .amt small { color: rgba(255,255,255,0.6); }
.price .per { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.price.feat .per { color: rgba(255,255,255,0.6); }
.price ul { list-style: none; margin: 0 0 22px; padding: 0; flex: 1; }
.price li { font-size: 13px; padding: 6px 0; display: flex; gap: 8px; }
.price li::before { content: '✓'; color: var(--brand); font-weight: 700; }
.price.feat li::before { color: var(--brand-2); }
.price .buy { text-align: center; font-weight: 600; padding: 12px; border-radius: 12px; font-size: 14px; background: var(--bg-soft); color: var(--ink); border: 1px solid var(--line); transition: background .2s; }
.price .buy:hover { background: var(--brand-light); }
.price.feat .buy { background: var(--grad-brand); color: #fff; border: none; box-shadow: var(--shadow-brand); }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px; overflow: hidden; transition: box-shadow .2s; }
.faq-item[open] { box-shadow: var(--shadow); }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 52px 20px 24px; font-size: 16px; font-weight: 600; color: var(--ink); position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); font-size: 24px; color: var(--brand); font-weight: 300; transition: transform .2s; }
.faq-item[open] summary::after { content: '−'; }
.faq-item .a { padding: 0 24px 22px; color: var(--muted); font-size: 14.5px; line-height: 1.8; }

/* ===== 下载 CTA ===== */
.cta {
  background: var(--grad-ink); color: #fff; border-radius: var(--radius-lg); padding: 70px 48px;
  text-align: center; position: relative; overflow: hidden;
}
.cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 80% at 50% 0%, rgba(255,122,41,0.28) 0%, transparent 60%); }
.cta > * { position: relative; z-index: 1; }
.cta .mark { width: 72px; height: 72px; margin: 0 auto 22px; border-radius: 22px; display: grid; place-items: center; font-size: 40px; background: var(--grad-brand); box-shadow: var(--shadow-brand); }
.cta h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 900; margin-bottom: 14px; }
.cta p { font-size: 17px; color: rgba(255,255,255,0.75); margin-bottom: 12px; }
.cta .ver { font-size: 13px; color: rgba(255,255,255,0.55); margin-bottom: 30px; }
.cta .actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta .tips { margin-top: 28px; font-size: 13px; color: rgba(255,255,255,0.6); max-width: 640px; margin-left: auto; margin-right: auto; line-height: 1.8; }
.cta .tips code { background: rgba(255,255,255,0.12); padding: 2px 7px; border-radius: 5px; }

/* ===== 页脚 ===== */
.footer { background: var(--ink); color: rgba(255,255,255,0.6); padding: 56px 0 30px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .nav-logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; font-size: 13.5px; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--brand-2); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 12.5px; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: rgba(255,255,255,0.55); }

@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.45;} }

/* ================================================================
   DIX 风格扩展：产品系列 / 价值块 / 数字员工轮播 / 团队 / 联系
   ================================================================ */

/* Hero 统计条 */
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 36px; margin-top: 40px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stat-item { text-align: left; }
.hero-stat-item .num {
  font-size: clamp(28px, 3.5vw, 38px); font-weight: 900; letter-spacing: -0.02em;
  background: linear-gradient(120deg, #ffd9bf, #ff9d4d); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-stat-item .lbl { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 4px; }

/* 产品系列卡片（参考 DIX AI 产品矩阵） */
.product-series { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; border: 1px solid var(--line);
  transition: transform .3s, box-shadow .3s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-card-visual {
  height: 160px; display: grid; place-items: center; font-size: 56px;
  background: linear-gradient(135deg, var(--brand-light) 0%, #fff 100%);
  border-bottom: 1px solid var(--line);
}
.product-card-body { padding: 26px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.product-card-tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .06em;
  color: var(--brand-dark); background: var(--brand-light);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; align-self: flex-start;
}
.product-card h3 { font-size: 18px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.product-card p { font-size: 14px; color: var(--muted); line-height: 1.65; flex: 1; }
.product-card-link {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-size: 14px; font-weight: 600; color: var(--brand-dark);
  transition: gap .2s;
}
.product-card-link:hover { gap: 10px; }

/* 价值主张双栏（DIX「做什么」） */
.value-blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.value-block {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px 32px; transition: box-shadow .25s;
}
.value-block:hover { box-shadow: var(--shadow); }
.value-block-icon { font-size: 36px; margin-bottom: 18px; }
.value-block h3 { font-size: 22px; font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.value-block > p { font-size: 15px; color: var(--muted); margin-bottom: 20px; line-height: 1.75; }
.value-list { list-style: none; padding: 0; }
.value-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 14px; color: var(--text); padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.value-list li:last-child { border-bottom: none; }
.value-list li::before {
  content: '◆'; flex-shrink: 0; color: var(--brand); font-size: 10px; margin-top: 5px;
}

/* 数字员工展示轮播 */
.agent-showcase { position: relative; }
.agent-showcase-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; margin-bottom: 32px; flex-wrap: wrap;
}
.agent-showcase-head .section-head { margin: 0; text-align: left; max-width: 640px; }
.agent-nav { display: flex; gap: 10px; }
.agent-nav button {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line);
  background: #fff; cursor: pointer; font-size: 18px; color: var(--ink);
  transition: background .2s, border-color .2s, transform .2s;
  display: grid; place-items: center;
}
.agent-nav button:hover { background: var(--brand-light); border-color: rgba(255,122,41,0.35); }
.agent-nav button:disabled { opacity: .35; cursor: not-allowed; }
.agent-tabs {
  display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap;
}
.agent-tab {
  flex: 1; min-width: 140px; padding: 12px 18px; border-radius: 12px;
  border: 1px solid var(--line); background: #fff; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--muted);
  transition: background .2s, border-color .2s, color .2s, box-shadow .2s;
}
.agent-tab:hover { border-color: rgba(255,122,41,0.35); color: var(--ink); }
.agent-tab.active {
  background: var(--brand-light); border-color: rgba(255,122,41,0.4);
  color: var(--brand-dark); box-shadow: var(--shadow-sm);
}
.agent-counter { font-size: 13px; color: var(--muted); font-weight: 600; }
.agent-track-wrap { overflow: hidden; border-radius: var(--radius-lg); }
.agent-track {
  display: flex; transition: transform .45s cubic-bezier(.25,.8,.25,1);
  will-change: transform;
}
.agent-slide {
  flex: 0 0 100%; min-width: 100%;
  display: grid; grid-template-columns: minmax(240px, 0.9fr) 1.1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.agent-slide-copy { padding: 40px 36px; display: flex; flex-direction: column; justify-content: center; }
.agent-slide-tag {
  display: inline-block; font-size: 12px; font-weight: 600; color: var(--brand-dark);
  background: var(--brand-light); padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; align-self: flex-start;
}
.agent-slide-copy h3 { font-size: clamp(22px, 3vw, 28px); font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.agent-slide-nick { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.agent-slide-copy > p { font-size: 15px; color: var(--muted); line-height: 1.75; margin-bottom: 20px; }
.agent-cap-list { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.agent-cap-list li {
  font-size: 13px; color: var(--text); display: flex; align-items: center; gap: 8px;
}
.agent-cap-list li::before { content: '✓'; color: var(--brand); font-weight: 700; font-size: 12px; }
.agent-slide-visual {
  background: linear-gradient(145deg, var(--brand-light) 0%, #fff 50%, var(--bg-soft) 100%);
  display: flex; align-items: center; justify-content: center; padding: 40px; min-height: 320px;
}
.agent-avatar {
  width: 180px; height: 180px; border-radius: 50%;
  background: var(--grad-brand); display: grid; place-items: center;
  font-size: 80px; box-shadow: var(--shadow-brand);
  border: 6px solid #fff;
}

/* 优势三栏 */
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.advantage-card {
  text-align: center; padding: 40px 28px; border-radius: var(--radius-lg);
  background: #fff; border: 1px solid var(--line);
  transition: transform .25s, box-shadow .25s;
}
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.advantage-card .ic {
  width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 20px;
  display: grid; place-items: center; font-size: 32px;
  background: var(--brand-light); border: 1px solid rgba(255,122,41,0.15);
}
.advantage-card h3 { font-size: 19px; font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.advantage-card .en { font-size: 12px; color: var(--brand); font-weight: 600; letter-spacing: .04em; margin-bottom: 12px; }
.advantage-card p { font-size: 14px; color: var(--muted); line-height: 1.75; }

/* 团队网格 */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.team-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 24px 28px; text-align: center;
  transition: transform .25s, box-shadow .25s;
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.team-card .avatar {
  width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 14px;
  background: var(--brand-light); display: grid; place-items: center;
  font-size: 40px; border: 3px solid rgba(255,122,41,0.2);
  transition: border-color .25s;
}
.team-card:hover .avatar { border-color: var(--brand); }
.team-card .role {
  display: inline-block; background: var(--brand-light); color: var(--brand-dark);
  font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; margin-bottom: 10px;
}
.team-card h3 { font-size: 18px; font-weight: 800; color: var(--ink); }
.team-card .sub { font-size: 13px; color: var(--muted); margin: 6px 0 12px; }
.team-card .desc { font-size: 13.5px; color: var(--muted); line-height: 1.7; text-align: left; }

/* 团队能力小网格 */
.team-caps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 48px; }
.team-cap {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 12px; text-align: center; transition: transform .2s;
}
.team-cap:hover { transform: scale(1.03); }
.team-cap .icon { font-size: 24px; margin-bottom: 6px; }
.team-cap h4 { font-size: 12.5px; font-weight: 700; color: var(--ink); }
.team-cap p { font-size: 11px; color: var(--muted); margin-top: 3px; }

/* 小桔详情双栏 */
.xiaoju-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.xiaoju-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px;
}
.xiaoju-panel.accent {
  background: linear-gradient(135deg, var(--brand-light) 0%, #fff 100%);
  border-color: rgba(255,122,41,0.2);
}
.xiaoju-panel .big-icon { font-size: 48px; margin-bottom: 12px; }
.xiaoju-panel h3 { font-size: 18px; font-weight: 800; margin-bottom: 12px; color: var(--ink); }
.xiaoju-panel p { font-size: 14px; color: var(--muted); line-height: 1.75; }
.xiaoju-panel ul { list-style: none; margin-top: 14px; padding: 0; }
.xiaoju-panel li { font-size: 13.5px; color: var(--text); padding: 8px 0; border-bottom: 1px solid var(--line); }
.xiaoju-panel li:last-child { border-bottom: none; }

/* 合作流程 */
.coop-flow { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; }
.coop-step {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 20px; text-align: center; flex: 1 1 100px; min-width: 90px;
}
.coop-step .n {
  width: 32px; height: 32px; border-radius: 50%; margin: 0 auto 8px;
  background: var(--grad-brand); color: #fff; font-weight: 800; font-size: 14px;
  display: grid; place-items: center;
}
.coop-step p { font-size: 13px; font-weight: 600; color: var(--ink); }
.coop-arrow { color: var(--brand-2); font-size: 20px; font-weight: 300; }

/* 公司横幅 */
.company-banner {
  background: var(--grad-brand); color: #fff; border-radius: var(--radius-lg);
  padding: 44px 40px; display: flex; flex-wrap: wrap; gap: 28px;
  align-items: center; justify-content: space-between;
}
.company-banner h3 { font-size: 22px; font-weight: 800; }
.company-banner p { opacity: .92; margin-top: 8px; max-width: 520px; font-size: 15px; line-height: 1.7; }
.company-banner .btn-white {
  background: #fff; color: var(--brand-dark); font-weight: 700;
  padding: 14px 32px; border-radius: 999px; white-space: nowrap;
  transition: transform .2s, box-shadow .2s;
}
.company-banner .btn-white:hover { transform: scale(1.04); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

/* 联系我们 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px;
}
.contact-item .ic {
  width: 48px; height: 48px; border-radius: 14px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 22px; background: var(--brand-light);
}
.contact-item h4 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.contact-item p { font-size: 14px; color: var(--muted); }
.contact-qr {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px; text-align: center; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.contact-qr-img {
  width: 200px; height: 200px; border-radius: 16px; margin-bottom: 16px;
  object-fit: cover; border: 1px solid var(--line); background: #fff;
}
.contact-qr-placeholder {
  width: 160px; height: 160px; border-radius: 16px; margin-bottom: 16px;
  background: var(--bg-soft); border: 2px dashed var(--line);
  display: grid; place-items: center; font-size: 48px;
}
.contact-qr h4 { font-size: 16px; font-weight: 700; color: var(--ink); }
.contact-qr p { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* 页脚产品条（DIX 风格） */
.footer-products {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-prod {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px; padding: 20px; transition: background .2s;
}
.footer-prod:hover { background: rgba(255,255,255,0.08); }
.footer-prod .ic { font-size: 28px; margin-bottom: 10px; }
.footer-prod h5 { color: #fff; font-size: 14px; margin-bottom: 6px; }
.footer-prod p { font-size: 12px; color: rgba(255,255,255,0.55); line-height: 1.6; }
.footer-prod { display: block; color: inherit; }

/* 子页面 Hero */
.page-hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--grad-ink); padding: 72px 0 56px; text-align: center;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(55% 50% at 50% 0%, rgba(255,122,41,0.24) 0%, transparent 65%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(28px, 4.5vw, 44px); font-weight: 900; letter-spacing: -0.02em;
  margin: 16px 0 12px;
}
.page-hero p { font-size: 17px; color: rgba(255,255,255,0.75); max-width: 640px; margin: 0 auto; }

/* 首页快捷入口 */
.quick-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quick-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 24px; transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: column;
}
.quick-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow);
  border-color: rgba(255,122,41,0.35);
}
.quick-card .ic { font-size: 36px; margin-bottom: 14px; }
.quick-card h3 { font-size: 17px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.quick-card p { font-size: 13.5px; color: var(--muted); flex: 1; line-height: 1.65; }
.quick-card .link { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--brand-dark); }

/* 合作页 */
.coop-modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.coop-mode {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 24px; display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.coop-mode:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(255,122,41,0.35); }
.coop-mode.featured {
  border-color: rgba(255,122,41,0.45);
  background: linear-gradient(180deg, #fffaf5 0%, #fff 45%);
  box-shadow: var(--shadow-sm);
}
.coop-mode .badge {
  align-self: flex-start; font-size: 11px; font-weight: 700; color: #fff;
  background: var(--grad-brand); padding: 4px 12px; border-radius: 999px; margin-bottom: 12px;
}
.coop-mode .ic { font-size: 40px; margin-bottom: 12px; }
.coop-mode h3 { font-size: 18px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.coop-mode .price-tag { font-size: 14px; font-weight: 700; color: var(--brand-dark); margin-bottom: 10px; }
.coop-mode p { font-size: 13.5px; color: var(--muted); line-height: 1.65; flex: 1; }
.coop-mode ul { list-style: none; margin: 14px 0 0; padding: 0; }
.coop-mode li {
  font-size: 13px; color: var(--text); padding: 6px 0; display: flex; gap: 8px; align-items: flex-start;
  border-bottom: 1px solid var(--line);
}
.coop-mode li:last-child { border-bottom: none; }
.coop-mode li::before { content: '✓'; color: var(--brand); font-weight: 700; font-size: 12px; flex-shrink: 0; margin-top: 2px; }

.coop-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff; }
.coop-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
.coop-table th, .coop-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.coop-table th { background: var(--bg-soft); font-weight: 700; color: var(--ink); font-size: 13px; }
.coop-table tr:last-child td { border-bottom: none; }
.coop-table .ok { color: var(--brand-dark); font-weight: 700; }
.coop-table .no { color: var(--muted); }
.coop-table .em { color: var(--brand-dark); font-weight: 800; }

.coop-audience { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.coop-aud-item {
  text-align: center; padding: 24px 16px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
}
.coop-aud-item .ic { font-size: 32px; margin-bottom: 10px; }
.coop-aud-item h4 { font-size: 14px; font-weight: 700; color: var(--ink); }

/* reveal 动画 */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ================================================================
   响应式
   ================================================================ */
@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-wide { grid-column: span 2; }
  .skill-grid { grid-template-columns: repeat(3, 1fr); }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .sec-grid, .stats { grid-template-columns: repeat(2, 1fr); }
  .plat-grid, .ai-grid, .scene-grid, .pain-grid, .flow { grid-template-columns: repeat(2, 1fr); }
  .app-feature-grid { grid-template-columns: repeat(2, 1fr); }
  .app-steps { grid-template-columns: repeat(2, 1fr); }
  .download-dual { grid-template-columns: 1fr; }
  .product-series { grid-template-columns: repeat(2, 1fr); }
  .value-blocks { grid-template-columns: 1fr; }
  .agent-slide { grid-template-columns: 1fr; }
  .agent-slide-visual { min-height: 220px; padding: 32px; }
  .agent-slide-copy { padding: 28px 24px 32px; }
  .agent-tabs { flex-direction: column; }
  .agent-cap-list { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .team-caps { grid-template-columns: repeat(4, 1fr); }
  .xiaoju-detail, .contact-grid { grid-template-columns: 1fr; }
  .footer-products { grid-template-columns: repeat(2, 1fr); }
  .quick-nav { grid-template-columns: repeat(2, 1fr); }
  .coop-modes { grid-template-columns: repeat(2, 1fr); }
  .coop-audience { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 14px; gap: 4px; box-shadow: var(--shadow); border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; font-size: 15px; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .hero { padding: 64px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-panel { max-width: 460px; margin: 0 auto; }
  .hero-float.f2 { left: 0; }
  .bento, .skill-grid, .price-grid, .sec-grid, .stats, .plat-grid, .ai-grid, .scene-grid, .pain-grid, .flow,
  .app-feature-grid, .app-steps, .download-dual, .product-series, .team-grid, .team-caps, .footer-products, .quick-nav, .coop-modes, .coop-audience { grid-template-columns: 1fr; }
  .agent-showcase-head { flex-direction: column; align-items: flex-start; }
  .coop-flow { flex-direction: column; }
  .coop-arrow { transform: rotate(90deg); }
  .company-banner { flex-direction: column; text-align: center; }
  .company-banner .btn-white { width: 100%; text-align: center; }
  .bento-wide { grid-column: span 1; }
  .price.feat { transform: none; }
  .price.feat:hover { transform: translateY(-5px); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .cta { padding: 50px 24px; }
  .dl-card { padding: 28px 22px; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}