/* ===== Reset & Base ===== */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: #0a0e1a;
  color: #e6e8f0;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color:inherit; text-decoration:none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

:root {
  --bg: #0a0e1a;
  --bg2: #0f1424;
  --bg3: #141a2e;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #e6e8f0;
  --text-dim: #9aa3b8;
  --text-mute: #6b7388;
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --accent: #f59e0b;
  --accent2: #10b981;
  --accent3: #8b5cf6;
  --warn: #ef4444;
}

/* ===== Nav ===== */
.nav {
  position: fixed; top:0; left:0; right:0; z-index: 100;
  background: rgba(10,14,26,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { max-width: 1400px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.brand-logo { font-size: 26px; }
.brand-cn { font-size: 21px; color: #fff; }
.brand-en { font-size: 13px; color: var(--primary); background: rgba(14,165,233,0.15); padding: 2px 8px; border-radius: 4px; letter-spacing: 1px; }
.nav-links { display: flex; gap: 20px; align-items: center; font-size: 14px; }
.nav-links a { color: var(--text-dim); transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-cta { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff !important; padding: 8px 16px; border-radius: 6px; font-weight: 600; }
.nav-toggle { display: none; font-size: 24px; color: #fff; }

/* ===== Hero ===== */
.hero { position: relative; padding: 130px 24px 80px; overflow: hidden; min-height: 92vh; }
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 500px at 20% 20%, rgba(14,165,233,0.15), transparent),
    radial-gradient(600px 400px at 80% 30%, rgba(139,92,246,0.12), transparent),
    radial-gradient(500px 300px at 50% 85%, rgba(245,158,11,0.08), transparent);
  pointer-events: none;
}
.hero-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; position: relative; }
.hero-badge { display: inline-block; padding: 6px 14px; background: rgba(14,165,233,0.12); border: 1px solid rgba(14,165,233,0.3); color: var(--primary); font-size: 12px; letter-spacing: 2px; border-radius: 20px; margin-bottom: 20px; }
.hero-title { font-size: 54px; font-weight: 800; line-height: 1.18; margin-bottom: 16px; color: #fff; }
.hero-title .line-1 { display: block; font-size: 40px; font-weight: 600; }
.hero-title .line-2 { display: block; background: linear-gradient(135deg, #f59e0b, #ef4444, #f59e0b); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 62px; margin-top: 6px; }
.hero-sub { color: var(--text-dim); font-size: 17px; margin-bottom: 26px; }

.hero-stats { display: flex; gap: 14px; margin-bottom: 30px; flex-wrap: wrap; }
.hstat { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 12px; padding: 12px 20px; min-width: 110px; }
.hstat-num { display: block; font-size: 26px; font-weight: 800; color: var(--accent); line-height: 1.2; }
.hstat-lab { display: block; font-size: 12px; color: var(--text-mute); margin-top: 2px; }

.hero-cta { display: flex; gap: 14px; margin-bottom: 30px; flex-wrap: wrap; }
.btn-primary, .btn-ghost { padding: 14px 26px; border-radius: 8px; font-size: 15px; font-weight: 600; transition: all .2s; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 8px 24px rgba(14,165,233,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(14,165,233,0.4); }
.btn-ghost { background: transparent; color: #fff; border: 1px solid var(--border-strong); }
.btn-ghost:hover { background: rgba(255,255,255,0.06); }
.hero-quote { font-size: 17px; color: var(--text-dim); border-left: 3px solid var(--primary); padding-left: 16px; font-style: italic; }
.hq-dim { font-size: 14px; color: var(--text-mute); font-style: normal; }

.hero-art { position: relative; }
.art-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 16px; padding: 22px; backdrop-filter: blur(20px); }
.art-title { font-size: 13px; color: var(--accent); letter-spacing: 1px; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px dashed var(--border); }
.art-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed rgba(255,255,255,0.05); font-size: 13px; }
.art-row:last-of-type { border-bottom: none; }
.art-time { color: var(--primary); font-weight: 700; font-size: 12px; flex-shrink: 0; width: 40px; }
.art-text { flex: 1; color: #cdd3e2; }
.art-cost { color: var(--warn); font-weight: 700; font-size: 12px; flex-shrink: 0; background: rgba(239,68,68,0.12); padding: 2px 8px; border-radius: 10px; }
.art-row-final .art-cost { background: rgba(245,158,11,0.15); color: var(--accent); }
.art-foot { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); text-align: center; font-size: 13px; color: var(--accent); font-weight: 600; }

/* ===== Section base ===== */
.section { padding: 90px 24px; position: relative; }
.section-dark { background: var(--bg2); }
.section-head { text-align: center; margin-bottom: 52px; }
.section-num { display: inline-block; color: var(--primary); font-size: 12px; letter-spacing: 3px; font-weight: 600; margin-bottom: 14px; padding: 4px 14px; background: rgba(14,165,233,0.1); border-radius: 20px; }
.section-title { font-size: 38px; font-weight: 800; color: #fff; margin-bottom: 14px; line-height: 1.3; }
.section-desc { color: var(--text-dim); font-size: 16px; max-width: 760px; margin: 0 auto; }

/* ===== Callout ===== */
.callout {
  margin-top: 36px; padding: 18px 26px;
  background: linear-gradient(90deg, rgba(239,68,68,0.1), rgba(245,158,11,0.06));
  border: 1px solid rgba(245,158,11,0.25); border-radius: 12px;
  display: flex; align-items: center; gap: 14px; justify-content: center; flex-wrap: wrap;
  font-size: 16px; color: #fff;
}
.callout-alt { background: linear-gradient(90deg, rgba(14,165,233,0.1), rgba(139,92,246,0.06)); border-color: rgba(14,165,233,0.25); }
.callout-badge { background: var(--accent); color: #1a1a1a; padding: 4px 12px; border-radius: 12px; font-weight: 800; font-size: 13px; }
.callout-alt .callout-badge { background: var(--primary); color: #fff; }

/* ===== Pain ===== */
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.pain-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 12px; padding: 22px; transition: all .2s; }
.pain-card:hover { border-color: var(--warn); background: rgba(239,68,68,0.05); transform: translateY(-3px); }
.pain-title { color: var(--warn); font-size: 19px; font-weight: 700; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.pain-title::before { content: '⚠️'; }
.pain-k { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.pain-desc { color: var(--text-dim); font-size: 13px; }

/* ===== Products ===== */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 20px; }
.product-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--border); border-radius: 16px; padding: 26px;
  transition: all .3s; position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.product-card::before { content:''; position: absolute; top:0; left:0; right:0; height:3px; background: var(--card-color, var(--primary)); opacity:.85; }
.product-card:hover { transform: translateY(-4px); border-color: var(--card-color, var(--primary)); box-shadow: 0 12px 40px rgba(0,0,0,.4); }
.product-card.inactive { opacity: .45; }
.pc-icon { font-size: 34px; margin-bottom: 10px; }
.pc-name { font-size: 21px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.pc-sub { color: var(--card-color, var(--primary)); font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.pc-desc { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; flex: 1; }
.pc-features { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.pc-feat { background: rgba(255,255,255,0.05); color: var(--text-dim); padding: 4px 10px; font-size: 12px; border-radius: 12px; }
.pc-action { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid var(--border); }
.pc-link { color: var(--card-color, var(--primary)); font-size: 13px; font-weight: 600; word-break: break-all; flex: 1; }
.pc-link:hover { text-decoration: underline; }
.pc-qr { width: 84px; height: 84px; background: #fff; border-radius: 8px; padding: 5px; flex-shrink: 0; }
.pc-qr canvas, .pc-qr img { width: 100% !important; height: 100% !important; }
.pc-none { color: var(--text-mute); font-size: 13px; font-style: italic; }

/* ===== Skills ===== */
.skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 18px; }
.skill-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 24px; transition: all .25s; }
.skill-card:hover { border-color: var(--primary); background: rgba(14,165,233,0.05); transform: translateY(-3px); }
.skill-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.skill-num { font-size: 20px; color: var(--text-mute); }
.skill-tag { background: linear-gradient(135deg, var(--primary), var(--accent3)); color: #fff; font-size: 15px; font-weight: 800; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 8px; }
.skill-gain { margin-left: auto; background: rgba(16,185,129,0.15); color: var(--accent2); padding: 4px 12px; border-radius: 12px; font-size: 12px; font-weight: 700; }
.skill-name { font-size: 21px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.skill-what, .skill-how { font-size: 13px; color: var(--text-dim); margin-bottom: 6px; line-height: 1.6; }
.skill-what b, .skill-how b { color: var(--primary); }
.skill-how { color: var(--accent); font-style: italic; }

/* ===== Demo ===== */
.demo-sms { background: rgba(14,165,233,0.07); border: 1px solid rgba(14,165,233,0.2); border-radius: 12px; padding: 18px 22px; margin-bottom: 24px; }
.sms-label { font-size: 13px; color: var(--primary); font-weight: 700; margin-bottom: 8px; }
.sms-body { font-size: 14px; color: var(--text-dim); line-height: 1.6; }
.demo-steps { display: flex; flex-direction: column; gap: 12px; }
.dstep { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.dstep-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.dstep-n { background: var(--primary); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 12px; }
.dstep-t { font-size: 17px; font-weight: 700; color: #fff; }
.demo-arrow { text-align: center; font-size: 22px; color: var(--primary); font-weight: 700; }

.pdf-grid { display: grid; grid-template-columns: repeat(24, 1fr); gap: 4px; }
.pdf-i { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); border-radius: 3px; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 7px; color: #fca5a5; font-weight: 600; }

.folder-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.folder { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.25); border-radius: 10px; padding: 14px; text-align: center; }
.fi { font-size: 26px; display: block; margin-bottom: 4px; }
.fn { display: block; font-size: 13px; color: #fff; font-weight: 600; }
.fc { display: block; font-size: 12px; color: var(--accent); margin-top: 2px; }

.doc-out { display: flex; align-items: center; gap: 16px; background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.25); border-radius: 10px; padding: 16px 20px; }
.doc-ico { font-size: 32px; }
.doc-name { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 3px; }
.doc-desc { font-size: 13px; color: var(--text-dim); }

.ba-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.ba { padding: 16px 20px; border-radius: 12px; }
.ba-before { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.25); }
.ba-after { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.3); }
.ba-lab { display: block; font-size: 12px; font-weight: 800; margin-bottom: 4px; }
.ba-before .ba-lab { color: var(--warn); }
.ba-after .ba-lab { color: var(--accent2); }
.ba-txt { font-size: 14px; color: #d5dae6; }

/* ===== Modules ===== */
.module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.module-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 16px; padding: 26px; }
.mod-hl { border-color: rgba(14,165,233,0.4); background: linear-gradient(180deg, rgba(14,165,233,0.08), rgba(255,255,255,0.02)); }
.mod-head { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 4px; }
.mod-sub { font-size: 13px; color: var(--primary); margin-bottom: 16px; }
.mod-list { list-style: none; }
.mod-list li { padding: 7px 0; font-size: 14px; color: var(--text-dim); display: flex; gap: 9px; align-items: flex-start; border-bottom: 1px dashed rgba(255,255,255,0.04); }
.mod-list li:last-child { border: none; }
.mod-list li::before { content: '▸'; color: var(--accent2); font-weight: 700; }

/* ===== WeChat ===== */
.wx-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.wx-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 24px; text-align: center; transition: all .2s; }
.wx-card:hover { border-color: var(--accent2); transform: translateY(-3px); }
.wx-ico { font-size: 36px; margin-bottom: 8px; }
.wx-name { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.wx-badge { display: inline-block; background: rgba(16,185,129,0.15); color: var(--accent2); padding: 3px 12px; border-radius: 12px; font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.wx-desc { font-size: 13px; color: var(--text-dim); line-height: 1.6; }
.wx-quote { margin-top: 10px; font-size: 12px; color: var(--accent); font-style: italic; }
.quality-note { margin-top: 26px; padding: 18px 24px; background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.25); border-radius: 12px; text-align: center; font-size: 15px; color: #e8ecf4; }
.qn-badge { display: inline-block; background: var(--accent); color: #1a1a1a; padding: 3px 12px; border-radius: 12px; font-weight: 800; font-size: 12px; margin-right: 10px; }

/* ===== Compare table ===== */
.cmp-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 720px; background: rgba(255,255,255,0.02); }
.cmp-table th { background: rgba(14,165,233,0.12); color: #fff; font-weight: 700; padding: 14px 16px; text-align: left; font-size: 14px; }
.cmp-table td { padding: 13px 16px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-dim); }
.cmp-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.cmp-s { color: #fff !important; font-weight: 600; }
.cmp-c { text-align: center; white-space: nowrap; }
.cmp-old { color: var(--warn); text-decoration: line-through; opacity: .8; }
.cmp-new { color: var(--accent2); font-weight: 700; }

/* ===== Security ===== */
.sec3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.sec3-card { background: linear-gradient(135deg, rgba(16,185,129,0.07), rgba(14,165,233,0.03)); border: 1px solid rgba(16,185,129,0.22); border-radius: 14px; padding: 24px; transition: all .2s; }
.sec3-card:hover { transform: translateY(-3px); border-color: var(--accent2); }
.sec3-adv { border-color: rgba(245,158,11,0.35); background: linear-gradient(135deg, rgba(245,158,11,0.09), rgba(239,68,68,0.04)); }
.sec3-n { font-size: 12px; color: var(--accent2); font-weight: 700; letter-spacing: 1px; margin-bottom: 6px; }
.sec3-adv .sec3-n { color: var(--accent); }
.sec3-t { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.sec3-d { font-size: 13px; color: var(--text-dim); line-height: 1.6; }
.vault-note { margin-top: 26px; display: flex; gap: 16px; align-items: flex-start; background: rgba(255,255,255,0.03); border: 1px dashed var(--border-strong); border-radius: 12px; padding: 20px 24px; font-size: 14px; color: var(--text-dim); line-height: 1.7; }
.vault-ico { font-size: 28px; flex-shrink: 0; }
.vault-note b { color: #fff; }

/* ===== Feedback ===== */
.fb-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.fb-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 24px; border-left: 3px solid var(--accent); }
.fb-lab { font-size: 13px; color: var(--accent); font-weight: 700; margin-bottom: 10px; }
.fb-q { font-size: 16px; color: #fff; font-style: italic; margin-bottom: 8px; line-height: 1.6; }
.fb-r { font-size: 13px; color: var(--text-dim); }

/* ===== Case ===== */
.case-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 26px; }
.cstat { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 24px; text-align: center; }
.cstat-n { display: block; font-size: 40px; font-weight: 800; color: var(--primary); line-height: 1.1; }
.cstat-u { display: block; font-size: 14px; color: #fff; font-weight: 600; margin-top: 4px; }
.cstat-l { display: block; font-size: 12px; color: var(--text-mute); margin-top: 2px; }
.case-detail { background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 14px; padding: 8px 22px; }
.cd-item { display: flex; gap: 16px; padding: 13px 0; border-bottom: 1px dashed rgba(255,255,255,0.06); font-size: 14px; flex-wrap: wrap; }
.cd-item:last-child { border: none; }
.cd-k { color: var(--primary); font-weight: 700; min-width: 110px; }
.cd-v { color: var(--text-dim); flex: 1; }
.case-side { margin-top: 22px; padding: 20px 24px; background: rgba(139,92,246,0.07); border: 1px solid rgba(139,92,246,0.25); border-radius: 12px; font-size: 14px; color: var(--text-dim); line-height: 1.7; }
.cs-badge { display: inline-block; background: var(--accent3); color: #fff; padding: 3px 12px; border-radius: 12px; font-weight: 700; font-size: 12px; margin-right: 10px; }

/* ===== LegalPilot capability ===== */
.cap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.cap-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 12px; padding: 22px; transition: all .2s; }
.cap-card:hover { border-color: var(--primary); background: rgba(14,165,233,0.05); }
.cap-code { display: inline-block; background: linear-gradient(135deg, var(--primary), var(--accent3)); color: #fff; padding: 4px 12px; font-size: 11px; letter-spacing: 2px; border-radius: 12px; font-weight: 700; margin-bottom: 10px; }
.cap-name { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.cap-desc { color: var(--text-dim); font-size: 14px; }
.wf-principle { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 30px; padding: 16px; background: rgba(255,255,255,0.02); border: 1px dashed var(--border); border-radius: 12px; }
.wp-item { color: var(--text-dim); font-size: 14px; }

/* ===== Deploy ===== */
.deploy-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.deploy-card { background: rgba(255,255,255,0.03); border: 2px solid var(--border); border-radius: 16px; padding: 26px; transition: all .2s; }
.deploy-card:hover { border-color: var(--deploy-color, var(--primary)); transform: translateY(-3px); }
.deploy-tag { display: inline-block; background: var(--deploy-color, var(--primary)); color: #fff; padding: 4px 14px; font-size: 11px; letter-spacing: 2px; border-radius: 12px; font-weight: 700; margin-bottom: 12px; }
.deploy-name { font-size: 21px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.deploy-audience { color: var(--text-mute); font-size: 13px; margin-bottom: 14px; }
.deploy-items { list-style: none; border-top: 1px solid var(--border); padding-top: 14px; }
.deploy-items li { padding: 6px 0; color: var(--text-dim); font-size: 14px; display: flex; gap: 8px; }
.deploy-items li::before { content: '▸'; color: var(--deploy-color, var(--primary)); font-weight: 700; }

/* ===== Start ===== */
.start-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.start-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 26px; position: relative; }
.sc-n { display: inline-block; background: var(--primary); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 12px; margin-bottom: 10px; }
.sc-t { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.sc-d { font-size: 14px; color: var(--text-dim); line-height: 1.6; }
.promise { margin-top: 26px; padding: 18px 24px; background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.25); border-radius: 12px; text-align: center; font-size: 15px; color: #e8ecf4; line-height: 1.7; }
.pr-badge { display: inline-block; background: var(--accent2); color: #fff; padding: 3px 12px; border-radius: 12px; font-weight: 800; font-size: 12px; margin-right: 10px; }
.pr-dim { display: block; margin-top: 6px; font-size: 13px; color: var(--text-dim); }

/* ===== CTA ===== */
.section-cta { background: linear-gradient(135deg, #0a1428, #1a0e2a); border-top: 1px solid var(--border); }
.cta-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: center; }
.cta-title { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 14px; line-height: 1.3; }
.cta-sub { color: var(--text-dim); font-size: 16px; margin-bottom: 20px; line-height: 1.7; }
.cta-quote { font-size: 16px; font-style: italic; color: var(--accent); border-left: 3px solid var(--accent); padding-left: 14px; margin-bottom: 28px; }
.cta-info { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cta-info-item { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 10px; padding: 15px 20px; }
.cta-info-label { display: block; color: var(--text-mute); font-size: 12px; letter-spacing: 2px; margin-bottom: 6px; }
.cta-info-value { display: block; color: #fff; font-size: 14px; line-height: 1.8; }
.cta-info-value a { color: var(--primary); }
.cta-info-value a:hover { text-decoration: underline; }
.cta-qrcode-wrap { display: flex; justify-content: center; }
.qrcode-card { background: #fff; border-radius: 16px; padding: 22px; text-align: center; max-width: 240px; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.qrcode-img { width: 200px; height: 200px; display: flex; align-items: center; justify-content: center; background: #f5f7fa; border-radius: 8px; margin-bottom: 12px; }
.qrcode-img canvas, .qrcode-img img { width: 180px !important; height: 180px !important; }
.qrcode-img-empty { color: #999; font-size: 13px; padding: 20px; line-height: 1.6; }
.qrcode-label { color: #666; font-size: 13px; margin-bottom: 3px; }
.qrcode-name { color: #1a1a1a; font-size: 17px; font-weight: 700; }

/* ===== Footer ===== */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 28px 24px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.footer-text { color: var(--text-mute); font-size: 13px; text-align: center; flex: 1; }
.footer-text p { margin: 2px 0; }
.footer-sub { font-size: 12px; opacity: .75; }
.footer-links a { color: var(--text-dim); font-size: 13px; }
.footer-links a:hover { color: var(--primary); }

/* ===== 应用案例（脱敏猫实战） ===== */
#usecases .case-stats { margin-bottom: 30px; }
#usecases .cstat-n { color: #ef4444; }
.cs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.cs-card { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 14px; padding: 24px; transition: all .2s; }
.cs-card:hover { border-color: #ef4444; background: rgba(239,68,68,0.06); transform: translateY(-3px); }
.cs-ico { font-size: 34px; margin-bottom: 12px; }
.cs-title { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.cs-desc { font-size: 14px; color: var(--text-dim); line-height: 1.7; }
.usecase-note { margin-top: 26px; padding: 18px 24px; background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.25); border-radius: 12px; font-size: 14px; color: var(--text-dim); line-height: 1.7; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner, .cta-inner { grid-template-columns: 1fr; }
  .hero-title { font-size: 42px; }
  .hero-title .line-1 { font-size: 32px; }
  .hero-title .line-2 { font-size: 48px; }
  .section-title { font-size: 30px; }
  .pdf-grid { grid-template-columns: repeat(16, 1fr); }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero { padding-top: 96px; }
  .hero-title { font-size: 30px; }
  .hero-title .line-1 { font-size: 22px; }
  .hero-title .line-2 { font-size: 36px; }
  .section { padding: 56px 16px; }
  .section-title { font-size: 23px; }
  .cta-title { font-size: 23px; }
  .cta-info { grid-template-columns: 1fr; }
  .ba-row { grid-template-columns: 1fr; }
  .pdf-grid { grid-template-columns: repeat(12, 1fr); }
  .pdf-i { font-size: 6px; }
  .footer-inner { flex-direction: column; }
  .vault-note { flex-direction: column; }
}