:root {
  --ink: #0b1727;
  --ink-2: #1e293b;
  --text: #0f172a;
  --text-soft: #5b6b82;
  --text-mute: #94a3b8;
  --brand: #0e7490;
  --brand-deep: #0c4a6e;
  --brand-mid: #06b6d4;
  --brand-soft: #ecfeff;
  --accent: #fb7185;
  --accent-2: #fb923c;
  --surface: #f6f9fc;
  --surface-2: #ffffff;
  --line: rgba(14, 116, 144, 0.12);
  --line-2: rgba(15, 23, 42, 0.08);
  --shadow: 0 24px 60px rgba(8, 51, 68, 0.14);
  --shadow-soft: 0 10px 30px rgba(8, 51, 68, 0.07);
  --r-xl: 22px;
  --r-lg: 16px;
  --r-md: 12px;
  --container: 1160px;
  --font-d: "Outfit", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-b: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --header-h: 68px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--surface); font-family: var(--font-b); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol { margin: 0; }
h1, h2, h3, h4 { font-family: var(--font-d); letter-spacing: -0.025em; line-height: 1.18; color: var(--ink); }

.container { width: min(calc(100% - 36px), var(--container)); margin: 0 auto; position: relative; }
.section { padding: 56px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.section-head { max-width: 44rem; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(28px, 5.2vw, 40px); font-weight: 800; }
.section-head p { margin-top: 14px; color: var(--text-soft); font-size: 16px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 26px; border: 1px solid transparent; border-radius: 14px; font-size: 15px; font-weight: 800; transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(165deg, var(--accent) 0%, #e11d48 100%); color: #fff; box-shadow: 0 12px 28px rgba(225, 29, 72, 0.32); }
.btn-ghost { border-color: var(--line-2); background: #fff; color: var(--ink); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { min-height: 42px; padding: 0 18px; font-size: 14px; border-radius: 12px; }

/* 头部 */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(246, 249, 252, 0.85); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; }
.brand-mark { height: 36px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 17px; font-weight: 800; color: #0f172a; letter-spacing: .5px; }
.brand-sub { font-size: 10px; font-weight: 600; color: #0e7490; letter-spacing: 2.5px; margin-top: 1px; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--text-soft); font-size: 14px; font-weight: 600; transition: color 160ms ease; }
.nav a:hover { color: var(--brand); }
.header-actions { display: flex; align-items: center; gap: 12px; }


/* ============ Hero ============ */
.hero { position: relative; overflow: hidden; padding: 32px 0 40px; background: radial-gradient(60% 50% at 85% 0%, rgba(6,182,212,.16), transparent 60%), radial-gradient(50% 40% at 8% 12%, rgba(251,113,133,.08), transparent 60%), radial-gradient(rgba(14,116,144,.10) 1px, transparent 1.4px) 0 0/38px 38px, linear-gradient(180deg, #f6f9fc 0%, #eef6fa 100%); }
/* 背景高级曲线装饰 */
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0; opacity: .55;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 600' fill='none'><path d='M-50,120 C300,40 500,200 800,120 S1200,60 1250,140' stroke='%2306b6d4' stroke-width='1.5' stroke-opacity='0.18' fill='none'/><path d='M-50,260 C250,180 550,340 900,240 S1200,200 1250,280' stroke='%23f97316' stroke-width='1.5' stroke-opacity='0.12' fill='none'/><path d='M-50,420 C350,340 600,500 1000,400 S1200,380 1250,460' stroke='%238b5cf6' stroke-width='1.2' stroke-opacity='0.1' fill='none'/></svg>");
  background-size: cover; background-position: center; }
/* AI 代码高级纹理：神经网络节点 + 代码符号 */
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0; opacity: .9;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 600' fill='none'><g stroke='%2306b6d4' stroke-opacity='0.14' stroke-width='1.2'><path d='M960,70 L1075,110 L1010,190 L900,150 Z M1075,110 L1145,180 M1010,190 L1100,250'/><path d='M70,430 L175,470 L70,530 L225,545 M175,470 L160,385'/></g><g fill='%2306b6d4' fill-opacity='0.28'><circle cx='960' cy='70' r='4'/><circle cx='1075' cy='110' r='5'/><circle cx='1010' cy='190' r='3.5'/><circle cx='900' cy='150' r='4'/><circle cx='1145' cy='180' r='3.5'/><circle cx='1100' cy='250' r='4'/><circle cx='70' cy='430' r='4'/><circle cx='175' cy='470' r='5'/><circle cx='70' cy='530' r='3.5'/><circle cx='225' cy='545' r='4'/><circle cx='160' cy='385' r='3.5'/></g><g fill='%230e7490' font-family='Menlo,Consolas,monospace' font-weight='600'><text x='105' y='120' font-size='26' fill-opacity='0.16'>{ }</text><text x='40' y='250' font-size='21' fill-opacity='0.13'>&lt;/&gt;</text><text x='285' y='95' font-size='19' fill-opacity='0.14'>AI.speak()</text><text x='250' y='495' font-size='16' fill-opacity='0.11'>0101</text><text x='1050' y='320' font-size='24' fill-opacity='0.13'>()</text><text x='1120' y='440' font-size='19' fill-opacity='0.12'>=&gt;</text><text x='480' y='540' font-size='15' fill-opacity='0.10'>{ ... }</text><text x='1080' y='60' font-size='15' fill-opacity='0.10'>async</text></g></svg>");
  background-size: cover; background-position: center; }
/* 手机背后光晕 */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 420px; height: 420px; max-width: 90vw; max-height: 90vw; border-radius: 50%; background: radial-gradient(circle, rgba(6,182,212,.22) 0%, rgba(6,182,212,.06) 40%, transparent 70%); pointer-events: none; z-index: 0; }
.hero-visual .phone { position: relative; z-index: 1; }
.hero-grid { position: relative; z-index: 1; display: grid; gap: 36px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--brand); font-size: 12px; font-weight: 700; }
.hero-badge i { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 0 rgba(34,197,94,.5); animation: pulse 1.6s ease-out infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)} 70%{box-shadow:0 0 0 8px rgba(34,197,94,0)} 100%{box-shadow:0 0 0 0 rgba(34,197,94,0)} }

/* 标题：单色，干净 */
.hero h1 { font-size: clamp(34px, 6.2vw, 54px); font-weight: 900; line-height: 1.12; color: var(--ink); }
.hero h1 .brand-word { color: var(--brand); }
.hero-lead { margin-top: 18px; max-width: 38ch; color: var(--text-soft); font-size: clamp(15px, 3.2vw, 18px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-download { display: flex; align-items: center; gap: 14px; margin-top: 30px; padding: 14px 16px; border-radius: 16px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft); max-width: 26rem; }
.hero-download .dl-icon { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, #34d399, #059669); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.hero-download .dl-text { display: flex; flex-direction: column; line-height: 1.3; }
.hero-download .dl-text strong { font-size: 14px; color: var(--ink); }
.hero-download .dl-text span { font-size: 12px; color: var(--text-soft); }
.hero-download .dl-btn { margin-left: auto; flex-shrink: 0; }
.dl-cta-card { display: flex; align-items: center; gap: 16px; padding: 22px 24px; border-radius: var(--r-xl); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); flex-wrap: wrap; }
.dl-cta-card .dl-cta-icon { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, #34d399, #059669); display: inline-flex; align-items: center; justify-content: center; font-size: 28px; flex-shrink: 0; }
.dl-cta-card .dl-cta-text { display: flex; flex-direction: column; }
.dl-cta-card .dl-cta-text strong { font-size: 16px; color: var(--ink); }
.dl-cta-card .dl-cta-text span { font-size: 13px; color: var(--text-soft); }
.dl-cta-card .btn { margin-left: auto; }

/* ============ 手机 mockup（Hero 视觉） ============ */
.hero-visual { display: flex; justify-content: center; }
.phone {
        position: relative;
        width: 280px; max-width: 80vw;
        aspect-ratio: 9 / 16;
        border-radius: 38px;
        background: #0b1727;
        padding: 12px;
        box-shadow: var(--shadow), 0 0 0 8px #1e293b;
      }
.phone::before {
  content: ""; position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 22px; border-radius: 0 0 14px 14px; background: #0b1727; z-index: 3;
}
.phone-screen {
  position: relative; width: 100%; height: 100%;
  border-radius: 28px; overflow: hidden;
  background: #1a2540;
}
.live-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.live-bg-mask { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(0,0,0,.25) 0%, transparent 30%, transparent 55%, rgba(0,0,0,.45) 100%); }
.live-top { position: absolute; top: 0; left: 0; right: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 10px; color: #fff; font-size: 11px; text-shadow: 0 1px 3px rgba(0,0,0,.6); }
.live-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; border-radius: 6px; background: #e11d48; color: #fff; font-weight: 800; font-size: 10px; }
.live-badge i { width: 5px; height: 5px; border-radius: 50%; background: #fff; animation: pulse 1.4s infinite; }
.viewers { font-weight: 600; }

/* 悬浮窗 overlay（照真实 layout_float_panel） */
.floatwin { position: absolute; left: 10px; right: 10px; top: 38px; z-index: 3; border-radius: 14px; background: rgba(11,23,39,.9); border: 1px solid rgba(255,255,255,.1); padding: 7px; box-shadow: 0 10px 28px rgba(0,0,0,.5); backdrop-filter: blur(6px); }
.fw-top { display: flex; align-items: center; gap: 6px; }
.fw-dot { color: #34d399; font-size: 9px; }
.fw-brand { flex: 1; text-align: center; color: #FF8A3D; font-weight: 800; font-size: 12px; letter-spacing: .02em; }
.fw-points { padding: 2px 6px; border-radius: 5px; background: rgba(255,193,7,.16); color: #FFC107; font-weight: 800; font-size: 9px; }
.fw-collapse { padding: 2px 7px; border-radius: 5px; background: rgba(255,255,255,.1); color: #cbd5e1; font-weight: 700; font-size: 9px; }
.fw-detect { margin-top: 6px; padding: 5px 6px; border-radius: 8px; background: rgba(255,255,255,.06); }
.fw-detect-head { display: flex; justify-content: space-between; align-items: center; color: #aaaaaa; font-size: 8px; margin-bottom: 4px; }
.fw-detect-head .region { color: #ccc; }
.fw-list { display: flex; flex-direction: column; gap: 3px; }
.fw-evt { display: flex; align-items: center; gap: 5px; color: #e2e8f0; font-size: 9px; line-height: 1.3; }
.fw-evt .ic { width: 13px; text-align: center; flex-shrink: 0; }
.fw-evt.cmt .ic { color: #67e8f9; }
.fw-evt.gift .ic { color: #fbbf24; }
.fw-evt.enter .ic { color: #a78bfa; }
.fw-evt.like .ic { color: #fb7185; }
.fw-evt.ai { background: rgba(6,182,212,.14); border: 1px solid rgba(6,182,212,.28); border-radius: 6px; padding: 3px 5px; }
.fw-evt.ai .ic { color: #67e8f9; }
.fw-evt.ai span { color: #cffafe; }
.fw-speak { margin-top: 6px; padding: 5px 6px; border-radius: 8px; background: rgba(224,107,63,.22); display: flex; align-items: center; gap: 6px; }
.fw-bars { display: inline-flex; align-items: flex-end; gap: 1.5px; height: 14px; flex-shrink: 0; }
.fw-bars i { width: 2px; border-radius: 1px; background: #FFE6C8; animation: waveBar 1s ease-in-out infinite; }
.fw-bars i:nth-child(1){height:6px}
.fw-bars i:nth-child(2){height:10px;animation-delay:.1s}
.fw-bars i:nth-child(3){height:14px;animation-delay:.2s}
.fw-bars i:nth-child(4){height:8px;animation-delay:.15s}
.fw-speak-txt { flex: 1; color: #FFE6C8; font-size: 9px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fw-btns { margin-top: 6px; display: flex; gap: 5px; }
.fw-btn { flex: 1; text-align: center; padding: 4px 0; border-radius: 6px; font-size: 9px; font-weight: 700; }
.fw-pause { background: rgba(255,255,255,.1); border: 1px solid #aaaaaa; color: #cbd5e1; }
.fw-end { background: #e06b3f; color: #fff; }
/* 直播间弹幕（评论/礼物/进房间/点赞，可见不被遮挡） */
.live-danmaku { position: absolute; left: 8px; right: 8px; bottom: 46px; z-index: 2; display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.dm { display: inline-flex; align-items: center; gap: 5px; max-width: 84%; padding: 4px 9px; border-radius: 999px; background: rgba(0,0,0,.5); color: #fff; font-size: 9px; backdrop-filter: blur(4px); line-height: 1.3; }
.dm .av { width: 16px; height: 16px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 8px; font-weight: 800; color: #fff; flex-shrink: 0; }
.dm-cmt .av { background: linear-gradient(135deg,#67e8f9,#06b6d4); }
.dm-enter .av { background: linear-gradient(135deg,#a78bfa,#6366f1); }
.dm .ic { font-size: 11px; }
.dm-like .ic { color: #fb7185; }
.dm-gift .ic { color: #fbbf24; }
      /* 直播间底部交互栏（评论框/礼物/小黄车/点赞，照真实直播 App） */
      .live-bottombar { position: absolute; left: 8px; right: 8px; bottom: 8px; z-index: 4; display: flex; align-items: center; gap: 6px; }
      .bb-input { flex: 1; min-height: 30px; border-radius: 999px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.22); color: rgba(255,255,255,.75); font-size: 10px; display: flex; align-items: center; padding: 0 12px; backdrop-filter: blur(4px); }
      .bb-icon { width: 30px; height: 30px; border-radius: 50%; background: rgba(0,0,0,.45); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; position: relative; }
      .bb-cart { background: linear-gradient(135deg,#fb923c,#f97316); box-shadow: 0 3px 8px rgba(249,115,22,.4); }
      .bb-badge { position: absolute; top: -2px; right: -2px; min-width: 14px; height: 14px; border-radius: 7px; background: #e11d48; color: #fff; font-size: 8px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; padding: 0 3px; border: 1px solid #fff; }
@keyframes waveBar { 0%,100%{transform:scaleY(.5);opacity:.6} 50%{transform:scaleY(1);opacity:1} }
@keyframes dmIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.dm { animation: dmIn .5s ease-out both; }
.fw-speak-txt { transition: opacity .3s ease; }
.fw-evt { transition: opacity .3s ease; }

/* ============ 信任条 ============ */
.trust { background: #0b1727; color: #cbd5e1; padding: 22px 0; }
.trust-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 36px; text-align: center; }
.trust-inner .label { font-size: 12px; color: #64748b; letter-spacing: 0.1em; font-weight: 700; }
.trust-inner .chip { font-size: 14px; font-weight: 700; color: #e2e8f0; }
.trust-inner .dot { color: #0e7490; }

/* ============ 痛点 ============ */
.pain-grid { display: grid; gap: 16px; }
.pain-card { position: relative; padding: 28px 24px; border-radius: var(--r-xl); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); overflow: hidden; }
.pain-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.pain-card .ic { width: 44px; height: 44px; border-radius: 12px; background: #fff1f2; color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px; }
.pain-card h3 { font-size: 20px; margin-bottom: 8px; }
.pain-card .before { color: var(--text-soft); font-size: 14px; }
.pain-card .arrow { margin: 14px 0; color: var(--brand); font-weight: 800; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.pain-card .after { padding: 12px 14px; border-radius: 12px; background: var(--brand-soft); color: #155e75; border: 1px solid rgba(6,182,212,.25); font-size: 14px; font-weight: 600; }

/* ============ 核心能力（CSS mockup 卡，无截图） ============ */
.cap { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* 区块背景节奏：浅灰白 → 白 → 淡青 → 白 → 灰蓝 → 暖白 → 浅 → 深色收尾 */
#scenes { background: linear-gradient(180deg, #f1f8fb 0%, #f6f9fc 100%); }
#compare { background: #edf3f7; }
#price.cap { background: linear-gradient(180deg, #fff7f0 0%, #fffdfb 100%); border-top-color: rgba(249,115,22,.16); border-bottom-color: rgba(249,115,22,.16); }

/* 下载区：深色科技感，与联系区连成收尾 */
#download.cap {
  position: relative; overflow: hidden; color: #cbd5e1;
  background: radial-gradient(60% 80% at 85% 15%, rgba(6,182,212,.20), transparent 60%), radial-gradient(42% 50% at 8% 95%, rgba(249,115,22,.12), transparent 60%), radial-gradient(rgba(103,232,249,.13) 1px, transparent 1.4px) 0 0/34px 34px, linear-gradient(135deg, #0b1727 0%, #102a43 100%);
  border-top-color: rgba(255,255,255,.08); border-bottom-color: transparent;
}
#download .container { position: relative; z-index: 1; }
#download .section-head .eyebrow { color: #67e8f9; }
#download h2 { color: #fff; }
#download .section-head p { color: #94a3b8; }
#download .dl-cta-card { border-color: rgba(255,255,255,.16); }
.cap-row { display: grid; gap: 28px; align-items: center; margin-bottom: 40px; }
.cap-row:last-child { margin-bottom: 0; }
.cap-row:nth-child(even) .cap-media { order: 2; }
.cap-num { font-family: var(--font-d); font-size: 14px; font-weight: 800; color: var(--brand-mid); letter-spacing: 0.1em; }
.cap-row h3 { font-size: clamp(24px, 4vw, 32px); margin: 10px 0 12px; }
.cap-row .lead { color: var(--text-soft); font-size: 15px; max-width: 40ch; }
.cap-feats { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.cap-feats li { position: relative; padding-left: 28px; font-size: 14px; font-weight: 600; color: var(--ink); }
.cap-feats li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 900; }

/* 真实产品截图 */
.cap-media { position: relative; display: flex; justify-content: center; }
.cap-shot {
  display: block; width: 100%; height: auto;
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

/* 能力区手机端 UI 裁切图（参考原型界面，无手机外框，统一高度） */
.mc {
  width: 100%; height: 380px;
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  background: #f5f7fa; position: relative;
}
.mc-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 18px 6px; font-size: 12px; font-weight: 700; color: #334155;
  background: #fff; border-bottom: 1px solid #eef2f7;
}
.mc-body { padding: 14px 18px; display: flex; flex-direction: column; gap: 10px; }
.mc-title { font-size: 17px; font-weight: 800; color: #0f172a; }

/* 讲品 */
.pd-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.pd-chip { padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; background: #e2e8f0; color: #475569; }
.pd-chip.on { background: #f97316; color: #fff; }
.pd-card { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 12px; background: #fff; border: 1px solid #e2e8f0; }
.pd-card .mk { width: 44px; height: 44px; border-radius: 10px; background: linear-gradient(135deg,#fb923c,#f97316); color:#fff; display:flex;align-items:center;justify-content:center; font-size:16px; font-weight:800; flex-shrink:0; }
.pd-card .info { flex:1; min-width:0; }
.pd-card .info b { display:block; font-size:15px; color:#0f172a; }
.pd-card .info span { font-size:12px; color:#94a3b8; }
.pd-tag { font-size:11px; padding:2px 8px; border-radius:6px; background:#dcfce7; color:#16a34a; font-weight:700; }
.pd-tag.off { background:#f1f5f9; color:#94a3b8; }

/* 回复 */
.rp-toggle { display:flex; align-items:center; justify-content:space-between; padding:14px 16px; border-radius:12px; background:#fff; border:1px solid #e2e8f0; }
.rp-toggle b { font-size:15px; color:#0f172a; }
.rp-switch { width:44px; height:24px; border-radius:999px; background:#f97316; position:relative; }
.rp-switch::after { content:""; position:absolute; top:3px; right:3px; width:18px; height:18px; border-radius:50%; background:#fff; }
.rp-faq { padding:14px 16px; border-radius:12px; background:#fff; border:1px solid #e2e8f0; }
.rp-faq b { font-size:15px; color:#0f172a; display:block; margin-bottom:4px; }
.rp-faq span { font-size:13px; color:#64748b; display:block; }
.rp-faq .arr { float:right; color:#cbd5e1; font-size:18px; }

/* 工作台 */
.wb-hero { padding:18px; border-radius:14px; background:linear-gradient(135deg,#fb923c,#f97316); color:#fff; }
.wb-hero .t { font-size:17px; font-weight:800; }
.wb-hero .s { font-size:13px; opacity:.85; margin-top:4px; }
.wb-hero .btn { margin-top:12px; padding:8px 0; text-align:center; background:rgba(255,255,255,.22); border-radius:10px; font-size:14px; font-weight:700; }
.wb-row { display:flex; align-items:center; gap:12px; padding:12px 14px; border-radius:12px; background:#fff; border:1px solid #e2e8f0; }
.wb-row .ic { width:36px; height:36px; border-radius:10px; background:#fff7ed; color:#f97316; display:flex;align-items:center;justify-content:center; font-size:16px; flex-shrink:0; }
.wb-row .mid { flex:1; min-width:0; }
.wb-row .mid b { display:block; font-size:15px; color:#0f172a; }
.wb-row .mid span { font-size:12px; color:#94a3b8; }
.wb-row .val { font-size:14px; font-weight:700; color:#f97316; }

/* 复盘 */
.rv-stats { display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px; }
.rv-stat { padding:14px 8px; border-radius:12px; background:#fff; border:1px solid #e2e8f0; text-align:center; }
.rv-stat .n { font-size:22px; font-weight:800; color:#f97316; }
.rv-stat .l { font-size:12px; color:#64748b; margin-top:2px; }
.rv-session { display:flex; align-items:center; gap:12px; padding:12px 14px; border-radius:12px; background:#fff; border:1px solid #e2e8f0; }
.rv-session .dot { width:10px; height:10px; border-radius:50%; background:#22c55e; flex-shrink:0; }
.rv-session .info { flex:1; min-width:0; }
.rv-session .info b { display:block; font-size:14px; color:#0f172a; }
.rv-session .info span { font-size:12px; color:#94a3b8; }
.rv-session .tag { font-size:11px; padding:2px 8px; border-radius:6px; background:#fef3c7; color:#d97706; font-weight:700; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; background: #131f38; border-bottom: 1px solid rgba(255,255,255,.06); }
.mock-bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.mock-bar .d1 { background: #fb7185; } .mock-bar .d2 { background: #fbbf24; } .mock-bar .d3 { background: #34d399; }
.mock-bar .title { margin-left: 8px; color: #94a3b8; font-size: 12px; font-weight: 600; }
.mock-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; color: #e2e8f0; }

/* 讲品 mock */
.mp-prod { display: flex; gap: 12px; align-items: center; padding: 12px; border-radius: 12px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); }
.mp-thumb { width: 52px; height: 52px; border-radius: 10px; background: linear-gradient(135deg, #fb923c, #fb7185); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; }
.mp-prod .info { display: flex; flex-direction: column; gap: 2px; }
.mp-prod .info b { font-size: 14px; color: #f1f5f9; }
.mp-prod .info span { font-size: 11px; color: #94a3b8; }
.mp-row { display: flex; gap: 10px; align-items: center; padding: 8px 12px; border-radius: 10px; background: rgba(6,182,212,.08); border: 1px solid rgba(6,182,212,.16); font-size: 12px; }
.mp-row b { color: #67e8f9; font-size: 10px; letter-spacing: .06em; }
.mp-row span { color: #cffafe; }
.mp-phrase { margin-top: 4px; padding: 12px; border-radius: 12px; background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.22); font-size: 12px; color: #bbf7d0; }
.mp-phrase b { color: #86efac; font-size: 10px; letter-spacing: .06em; display: block; margin-bottom: 4px; }

/* 回复 mock */
.rp-tabs { display: flex; gap: 6px; }
.rp-tab { padding: 5px 10px; border-radius: 8px; font-size: 11px; font-weight: 700; background: rgba(255,255,255,.06); color: #94a3b8; }
.rp-tab.on { background: var(--brand-mid); color: #0b1727; }
.rp-chat { display: flex; flex-direction: column; gap: 8px; }
.rp-bubble { max-width: 84%; padding: 10px 12px; border-radius: 12px; font-size: 12px; line-height: 1.5; }
.rp-in { align-self: flex-start; background: rgba(255,255,255,.06); color: #cbd5e1; border-bottom-left-radius: 4px; }
.rp-out { align-self: flex-end; background: rgba(6,182,212,.18); color: #cffafe; border: 1px solid rgba(6,182,212,.3); border-bottom-right-radius: 4px; }
.rp-bubble small { display: block; font-size: 10px; font-weight: 700; margin-bottom: 3px; opacity: .8; }
.rp-tag { display: inline-block; font-size: 10px; font-weight: 800; padding: 2px 6px; border-radius: 4px; background: rgba(251,113,133,.18); color: #fda4af; margin-top: 6px; }

/* 工作台 mock */
.wb-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.wb-col { padding: 12px; border-radius: 12px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); }
.wb-col h4 { color: #94a3b8; font-size: 10px; letter-spacing: .08em; margin-bottom: 8px; font-weight: 700; }
.wb-item { display: flex; align-items: center; gap: 6px; padding: 5px 0; font-size: 11px; color: #cbd5e1; border-bottom: 1px dashed rgba(255,255,255,.06); }
.wb-item:last-child { border-bottom: 0; }
.wb-item .av { width: 16px; height: 16px; border-radius: 50%; background: #334155; font-size: 8px; display: inline-flex; align-items: center; justify-content: center; }
.wb-now { grid-column: 1 / -1; padding: 14px; border-radius: 12px; background: linear-gradient(135deg, rgba(6,182,212,.16), rgba(6,182,212,.04)); border: 1px solid rgba(6,182,212,.3); }
.wb-now h4 { color: #67e8f9; }
.wb-now .txt { color: #cffafe; font-size: 13px; font-weight: 600; margin: 6px 0; }
.wb-wave { display: inline-flex; align-items: flex-end; gap: 3px; height: 18px; }
.wb-wave i { width: 3px; height: 8px; border-radius: 2px; background: #67e8f9; animation: waveBar 1s ease-in-out infinite; }
.wb-wave i:nth-child(2){animation-delay:.1s;height:14px}
.wb-wave i:nth-child(3){animation-delay:.2s;height:18px}
.wb-wave i:nth-child(4){animation-delay:.14s;height:10px}
.wb-wave i:nth-child(5){animation-delay:.24s;height:16px}
.wb-wave i:nth-child(6){animation-delay:.06s;height:9px}
.wb-wave i:nth-child(7){animation-delay:.18s;height:13px}

/* 复盘 mock */
.rv-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.rv-stat { padding: 10px; border-radius: 10px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); text-align: center; }
.rv-stat .n { font-family: var(--font-d); font-size: 18px; font-weight: 800; color: #67e8f9; }
.rv-stat .l { font-size: 10px; color: #94a3b8; margin-top: 2px; }
.rv-leads { display: flex; flex-direction: column; gap: 8px; }
.rv-lead { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); }
.rv-lead .av { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg,#a78bfa,#6366f1); display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:#fff;font-weight:800; }
.rv-lead .info { flex: 1; }
.rv-lead .info b { display: block; font-size: 12px; color: #e2e8f0; }
.rv-lead .info span { font-size: 11px; color: #94a3b8; }
.rv-lead .tag { font-size: 10px; font-weight: 800; padding: 3px 8px; border-radius: 6px; background: rgba(34,197,94,.16); color: #86efac; }

/* ============ 场景 ============ */
.scene-grid { display: grid; gap: 16px; }
.scene-card { padding: 26px 22px; border-radius: var(--r-xl); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); position: relative; }
.scene-card .ic { width: 48px; height: 48px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 16px; }
.scene-card.s1 .ic { background: #fff7ed; color: #ea580c; }
.scene-card.s2 .ic { background: #eff6ff; color: #2563eb; }
.scene-card.s3 .ic { background: #f0fdf4; color: #16a34a; }
.scene-card.s4 .ic { background: #faf5ff; color: #9333ea; }
.scene-card h3 { font-size: 20px; margin-bottom: 8px; }
.scene-card p { color: var(--text-soft); font-size: 14px; margin-bottom: 14px; }
.scene-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.scene-card li { position: relative; padding-left: 18px; font-size: 13px; color: var(--ink-2); }
.scene-card li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-mid); }
.scene-tag { position: absolute; top: 18px; right: 18px; font-size: 10px; font-weight: 800; letter-spacing: 0.1em; color: var(--brand); padding: 4px 8px; border-radius: 6px; background: var(--brand-soft); }

/* ============ 流程 ============ */
.flow-grid { display: grid; gap: 16px; }
.flow-step { position: relative; padding: 24px 22px; border-radius: var(--r-xl); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); }
.flow-step .n { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(165deg, var(--brand-mid), var(--brand-deep)); color: #fff; font-family: var(--font-d); font-weight: 800; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.flow-step h3 { font-size: 18px; margin-bottom: 6px; }
.flow-step p { color: var(--text-soft); font-size: 14px; }

/* ============ 对比 ============ */
.compare-wrap { border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-soft); background: #fff; }
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 16px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line); }
.compare-table thead th { background: #f8fafc; font-family: var(--font-d); font-weight: 700; color: var(--ink); }
.compare-table .col-us { background: linear-gradient(180deg, var(--brand-soft), #fff); position: relative; }
.compare-table thead .col-us { color: var(--brand-deep); }
.compare-table thead .col-us::after { content: "推荐"; position: absolute; top: 10px; right: 14px; font-size: 10px; font-weight: 800; color: #fff; background: var(--accent); padding: 3px 8px; border-radius: 6px; }
.compare-table .yes { color: #16a34a; font-weight: 800; }
.compare-table .no { color: #cbd5e1; font-weight: 700; }
.compare-table .us-mark { color: var(--brand); font-weight: 800; }

/* ============ 定价 ============ */
.price-grid { display: grid; gap: 18px; }
.price-card { padding: 30px 26px; border-radius: var(--r-xl); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); position: relative; }
.price-card.feature { border-color: var(--brand); border-width: 2px; background: linear-gradient(180deg, var(--brand-soft), #fff); }
.price-card .tag { position: absolute; top: -12px; left: 26px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 800; padding: 5px 12px; border-radius: 999px; letter-spacing: 0.04em; }
.price-card .name { font-size: 16px; font-weight: 700; color: var(--text-soft); }
.price-card .price { font-family: var(--font-d); font-size: 38px; font-weight: 800; color: var(--ink); margin: 8px 0 4px; }
.price-card .price small { font-size: 14px; font-weight: 600; color: var(--text-mute); }
.price-card .desc { font-size: 13px; color: var(--text-soft); margin-bottom: 20px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 10px; }
.price-card li { position: relative; padding-left: 26px; font-size: 14px; color: var(--ink-2); }
.price-card li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 900; }

/* ============ FAQ ============ */
.faq-list { display: grid; gap: 12px; }
.faq-item { border-radius: var(--r-lg); border: 1px solid var(--line); background: #fff; overflow: hidden; }
.faq-q { width: 100%; text-align: left; padding: 18px 20px; background: none; border: 0; font-size: 15px; font-weight: 700; color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-q .pm { color: var(--brand); font-size: 20px; transition: transform 200ms ease; }
.faq-item.open .faq-q .pm { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 220ms ease; color: var(--text-soft); font-size: 14px; }
.faq-a p { padding: 0 20px 18px; }

/* ============ 最终 CTA ============ */
.final-cta { position: relative; overflow: hidden; background: radial-gradient(60% 60% at 80% 20%, rgba(6,182,212,.25), transparent 60%), radial-gradient(50% 50% at 10% 90%, rgba(251,113,133,.18), transparent 60%), linear-gradient(135deg, #0b1727 0%, #0c4a6e 100%); color: #e2e8f0; }
.final-cta h2 { color: #fff; font-size: clamp(26px, 5vw, 38px); }
.final-cta p { margin-top: 14px; color: #cbd5e1; font-size: 15px; max-width: 40ch; }
.final-cta .actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.final-cta .btn-primary { background: #fff; color: var(--brand-deep); box-shadow: none; }
.final-cta .btn-ghost { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.2); color: #fff; }

/* 联系区（对称双卡，无表单） */
.final-cta .eyebrow { color: #7dd3fc; }
.contact-head { text-align: center; max-width: 680px; margin: 0 auto; }
.contact-head p { text-wrap: balance; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
.contact-card {
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  gap: 12px; padding: 28px 24px; text-align: center;
  border: 1px solid rgba(255,255,255,.14); border-radius: var(--r-xl);
  background: rgba(255,255,255,.05);
}
.contact-card strong { font-size: 17px; color: #fff; }
.contact-card p { margin: 0; color: #94a3b8; font-size: 13px; }
.contact-qr { width: 148px; height: 148px; border-radius: 14px; border: 1px solid rgba(255,255,255,.2); background: #fff; object-fit: contain; }
.contact-card-icon { width: 148px; height: 148px; display: flex; align-items: center; justify-content: center; border-radius: 14px; border: 1px dashed rgba(255,255,255,.25); color: #67e8f9; background: rgba(6,182,212,.08); }
.contact-card .btn-primary { margin-top: 4px; background: #f97316; color: #fff; }
.contact-card .btn-primary:hover { background: #ea580c; }
.contact-highlights { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; margin: 28px 0 0; padding: 0; list-style: none; }
.contact-highlights li { color: #cbd5e1; font-size: 14px; }
.contact-highlights li::before { content: "✓ "; color: #22c55e; font-weight: 800; }

/* ============ 页脚 ============ */
.site-footer { background: #0b1727; color: rgba(226,232,240,.85); padding: 48px 0 36px; }
.footer-grid { display: grid; gap: 28px; }
.brand-footer { margin-bottom: 14px; }
.brand-footer .brand-name { color: #fff; }
.brand-footer .brand-sub { color: #67e8f9; }
.footer-brand p { color: rgba(148,163,184,.9); font-size: 13px; max-width: 38ch; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
.footer-links a { color: #a5f3fc; font-size: 13px; }
.footer-legal { display: flex; flex-direction: column; gap: 6px; color: rgba(148,163,184,.6); font-size: 12px; }
.footer-legal a { color: rgba(165,243,252,.8); }

.float-cta { position: fixed; right: 18px; bottom: 18px; z-index: 40; }
.float-cta .btn { box-shadow: var(--shadow); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (min-width: 768px) {
  .container { width: min(calc(100% - 56px), var(--container)); }
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 48px; }
  .pain-grid { grid-template-columns: repeat(3, 1fr); }
  .cap-row { grid-template-columns: 1fr 1fr; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(4, 1fr); }
  .price-grid { grid-template-columns: repeat(3, 1fr); align-items: start; }
  .footer-grid { grid-template-columns: 2fr 1fr; }
}
@media (min-width: 960px) { .scene-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 767px) {
  .nav { display: none; }
  .section { padding: 56px 0; }
  .hero { padding: 32px 0 44px; }
  .phone { width: 260px; }
  .contact-cards { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .hero-badge i, .cmt-ai .wave i, .wb-wave i { animation: none; }
}