/* 无界指纹浏览器 · 私有化部署页（v2） */

body.pd-body {
  --pd-ink: #0b1220;
  --pd-ink-2: #16233f;
  --pd-body: #5a6b85;
  --pd-muted: #8a97ad;
  --pd-line: #e6ecf6;
  --pd-line-2: #d9e3f2;
  --pd-soft: #f7f9fd;
  --pd-blue: #2f5bff;
  --pd-blue-2: #4b77ff;
  --pd-blue-deep: #1e3fcc;
  background: #fff;
  color: var(--pd-ink);
  font-feature-settings: "tnum" 1;
}
.pd-main { overflow: clip; }
.pd-wrap { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

/* ---------- 首屏 ---------- */
.pd-hero { position: relative; isolation: isolate; overflow: hidden; padding: 116px 0 104px; color: #fff; }
.pd-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1000px 620px at 78% -12%, rgba(78, 124, 255, 0.42), transparent 62%),
    radial-gradient(760px 520px at 4% 16%, rgba(0, 190, 255, 0.16), transparent 58%),
    linear-gradient(160deg, #060d1e 0%, #0a1734 44%, #122a61 100%);
}
.pd-hero-bg:after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(ellipse at 62% 32%, #000 8%, transparent 72%);
  mask-image: radial-gradient(ellipse at 62% 32%, #000 8%, transparent 72%);
}
.pd-hero-bg:before {
  content: "";
  position: absolute;
  left: 46%;
  bottom: -34%;
  width: 58%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 91, 255, 0.34), transparent 68%);
  filter: blur(30px);
}
.pd-hero-grid { position: relative; display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 64px; align-items: center; }
.pd-hero-copy > * { animation: pdRise 0.85s cubic-bezier(0.2, 0.7, 0.25, 1) backwards; }
.pd-hero-copy > :nth-child(1) { animation-delay: 0.04s; }
.pd-hero-copy > :nth-child(2) { animation-delay: 0.1s; }
.pd-hero-copy > :nth-child(3) { animation-delay: 0.18s; }
.pd-hero-copy > :nth-child(4) { animation-delay: 0.26s; }
.pd-hero-copy > :nth-child(5) { animation-delay: 0.34s; }

.pd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #9fc0ff;
  margin-bottom: 22px;
}
.pd-eyebrow i { width: 5px; height: 5px; border-radius: 50%; background: #4d7dff; box-shadow: 0 0 0 4px rgba(77, 125, 255, 0.16); }
.pd-hero h1 {
  font-size: clamp(40px, 4.6vw, 64px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -2.2px;
  margin: 0 0 24px;
  color: #fff;
}
.pd-h1-line { display: block; }
.pd-grad {
  background: linear-gradient(100deg, #ffffff 8%, #c3d3ff 56%, #87a8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pd-lead { font-size: 17px; line-height: 1.95; color: rgba(214, 225, 255, 0.72); max-width: 570px; margin: 0 0 34px; }
.pd-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.pd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}
.pd-btn:hover { transform: translateY(-2px); }
.pd-btn-primary {
  background: linear-gradient(135deg, #4b77ff 0%, #2447e0 65%, #1e3fcc 100%);
  color: #fff !important;
  box-shadow: 0 14px 34px rgba(41, 80, 255, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.24);
}
.pd-btn-primary:hover { box-shadow: 0 18px 42px rgba(41, 80, 255, 0.46), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
.pd-btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff !important;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.pd-btn-ghost:hover { background: rgba(255, 255, 255, 0.11); border-color: rgba(255, 255, 255, 0.32); }
.pd-hero-points { display: flex; flex-wrap: wrap; gap: 24px; list-style: none; margin: 36px 0 0; padding: 0; font-size: 13px; color: rgba(214, 225, 255, 0.66); }
.pd-hero-points li { display: inline-flex; align-items: center; gap: 9px; }
.pd-hero-points li:before {
  content: "✓";
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  border-radius: 50%;
  border: 1px solid rgba(140, 175, 255, 0.42);
  background: rgba(90, 135, 255, 0.16);
  color: #b9cfff;
  font-size: 9px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 首屏拓扑图 */
.pd-visual { position: relative; animation: pdRise 1s 0.2s cubic-bezier(0.2, 0.7, 0.25, 1) backwards; }
.pd-net {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  padding: 24px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
  outline: 1px dashed rgba(140, 175, 255, 0.3);
  outline-offset: -11px;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 34px 80px rgba(3, 10, 30, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.pd-net:before {
  content: "";
  position: absolute;
  left: -20%;
  top: -45%;
  width: 70%;
  height: 90%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(90, 140, 255, 0.22), transparent 65%);
  pointer-events: none;
}
.pd-net-head { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.pd-net-head > span:first-child { font-size: 11px; letter-spacing: 0.16em; color: #9fb8ff; }
.pd-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #c9ffe3;
  background: rgba(34, 197, 94, 0.14);
  border: 1px solid rgba(34, 197, 94, 0.32);
  border-radius: 999px;
  padding: 5px 11px;
}
.pd-badge i { width: 5px; height: 5px; border-radius: 50%; background: #38d39f; box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.16); }
.pd-host {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 15px;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  padding: 19px 21px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.pd-host:after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  width: 1px;
  height: 14px;
  background: rgba(159, 192, 255, 0.42);
}
.pd-host-ico {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, #4b77ff, #1c3fc4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 10px 24px rgba(32, 70, 220, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.pd-host-ico svg { width: 26px; height: 26px; }
.pd-host strong { display: block; font-size: 16.5px; color: #fff; letter-spacing: -0.2px; }
.pd-host em { display: block; margin-top: 5px; font-style: normal; font-size: 11.5px; color: rgba(214, 225, 255, 0.62); letter-spacing: 0.02em; }
.pd-clients { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 28px; }
.pd-clients:before {
  content: "";
  position: absolute;
  left: 16.66%;
  right: 16.66%;
  top: -14px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(159, 192, 255, 0.5), transparent);
}
.pd-client {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 12px 6px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
}
.pd-client:before { content: ""; position: absolute; left: 50%; top: -14px; width: 1px; height: 14px; background: rgba(159, 192, 255, 0.4); }
.pd-client i { width: 6px; height: 6px; border-radius: 50%; background: #38d39f; box-shadow: 0 0 0 3px rgba(56, 211, 159, 0.14); }
.pd-out {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px dashed rgba(255, 255, 255, 0.13);
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.56);
}
.pd-out b { color: #6e93ff; font-weight: 400; }
.pd-float {
  position: absolute;
  right: -14px;
  bottom: -24px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 19px;
  background: rgba(255, 255, 255, 0.97);
  color: #0b1220;
  border-radius: 14px;
  box-shadow: 0 22px 54px rgba(3, 12, 34, 0.46);
  animation: pdFloat 6.5s ease-in-out infinite;
}
.pd-float strong { display: block; font-size: 13px; letter-spacing: -0.1px; }
.pd-float em { display: block; margin-top: 3px; font-style: normal; font-size: 11px; color: #7a89a3; }
.pd-pulse { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }
.pd-pulse:after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid rgba(34, 197, 94, 0.5); animation: pdPulse 2.4s ease-out infinite; }

/* ---------- 指标条 ---------- */
.pd-metrics { background: #fbfcfe; border-bottom: 1px solid var(--pd-line); }
.pd-metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 42px 0 40px; }
.pd-metric-grid > div { position: relative; text-align: center; padding: 0 12px; }
.pd-metric-grid > div + div:before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 1px; background: var(--pd-line); }
.pd-metric-grid strong { display: block; font-size: 42px; line-height: 1; font-weight: 800; letter-spacing: -1.8px; color: #0b1220; }
.pd-metric-grid span { display: block; margin-top: 11px; font-size: 12.5px; letter-spacing: 0.04em; color: #7a89a3; }

/* ---------- 通用区块 ---------- */
.pd-section { position: relative; padding: 112px 0; }
.pd-main section[id] { scroll-margin-top: 92px; }
.pd-section-alt { background: var(--pd-soft); border-top: 1px solid var(--pd-line); border-bottom: 1px solid var(--pd-line); }
.pd-head { max-width: 780px; margin-bottom: 52px; }
.pd-head-center { max-width: 820px; margin-left: auto; margin-right: auto; text-align: center; }
.pd-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--pd-blue);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.pd-kicker:before { content: ""; width: 22px; height: 1px; background: var(--pd-blue); }
.pd-kicker i { font-style: normal; font-family: Inter, sans-serif; font-weight: 500; letter-spacing: 0.08em; color: #9aa8c0; }
.pd-head h2 { font-size: clamp(28px, 3.2vw, 42px); line-height: 1.22; font-weight: 800; color: var(--pd-ink); letter-spacing: -1.2px; margin: 0 0 16px; }
.pd-head p { font-size: 16px; line-height: 1.9; color: var(--pd-body); margin: 0; }

/* ---------- 为什么 ---------- */
.pd-why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pd-why {
  position: relative;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--pd-line);
  border-radius: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.pd-why:hover { transform: translateY(-4px); border-color: #c9d8ff; box-shadow: 0 20px 44px rgba(17, 37, 84, 0.08); }
.pd-ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eff4ff, #fbfcff);
  border: 1px solid #e3eaf9;
  color: var(--pd-blue);
  margin-bottom: 18px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.pd-why:hover .pd-ico { transform: translateY(-2px); border-color: #c9d8ff; }
.pd-ico svg { width: 21px; height: 21px; }
.pd-why h3 { font-size: 16px; margin: 0 0 8px; color: var(--pd-ink); letter-spacing: -0.2px; }
.pd-why p { font-size: 13px; line-height: 1.8; color: var(--pd-body); margin: 0; }

/* ---------- 交付形态 ---------- */
.pd-form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.pd-form {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 30px;
  background: #fff;
  border: 1px solid var(--pd-line);
  border-radius: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.pd-form:hover { transform: translateY(-4px); box-shadow: 0 24px 54px rgba(16, 36, 80, 0.09); border-color: #d3dff6; }
.pd-form-top { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.pd-num { font-size: 11.5px; letter-spacing: 0.12em; color: #9aa8c0; }
.pd-form h3 { font-size: 21px; margin: 0; color: var(--pd-ink); letter-spacing: -0.4px; }
.pd-form-sub { font-size: 12.5px; color: var(--pd-muted); margin: 0 0 22px; letter-spacing: 0.02em; }
.pd-form ul { list-style: none; display: grid; gap: 12px; margin: 0 0 26px; padding: 0; }
.pd-form li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; font-size: 13.5px; line-height: 1.75; color: var(--pd-body); }
.pd-form li:before {
  content: "✓";
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border-radius: 50%;
  background: #eef3ff;
  color: var(--pd-blue);
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pd-form-note { margin: auto 0 0; padding-top: 18px; border-top: 1px solid #eef2f8; font-size: 12px; color: var(--pd-muted); line-height: 1.7; }
.pd-form-tag {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(135deg, #4b77ff, #2246d6);
  border-radius: 999px;
  padding: 5px 11px;
  box-shadow: 0 6px 14px rgba(41, 80, 255, 0.3);
}
.pd-form--feature {
  background: linear-gradient(165deg, #0c1a3c 0%, #12295f 55%, #183a86 100%);
  border-color: rgba(110, 147, 255, 0.35);
  box-shadow: 0 30px 70px rgba(11, 28, 70, 0.3);
  transform: translateY(-6px);
}
.pd-form--feature:hover { transform: translateY(-10px); box-shadow: 0 36px 80px rgba(11, 28, 70, 0.38); }
.pd-form--feature h3 { color: #fff; padding-right: 70px; }
.pd-form--feature .pd-num { color: rgba(159, 192, 255, 0.65); }
.pd-form--feature .pd-form-sub { color: rgba(214, 225, 255, 0.6); }
.pd-form--feature li { color: rgba(214, 225, 255, 0.8); }
.pd-form--feature li:before { background: rgba(255, 255, 255, 0.12); color: #b9cfff; }
.pd-form--feature .pd-form-note { color: rgba(214, 225, 255, 0.52); border-top-color: rgba(255, 255, 255, 0.12); }
.pd-form--feature:after {
  content: "";
  position: absolute;
  left: 30px;
  right: 30px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(160, 190, 255, 0.7), transparent);
}

/* ---------- 方案结构 ---------- */
.pd-struct { display: grid; gap: 12px; }
.pd-struct-row {
  display: grid;
  grid-template-columns: 188px 1fr;
  gap: 14px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--pd-line);
  border-radius: 16px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.pd-struct-row:hover { border-color: #d3dff6; box-shadow: 0 16px 38px rgba(16, 36, 80, 0.06); }
.pd-struct-label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  padding: 0 18px;
  background: linear-gradient(135deg, #eef3ff, #f8faff);
  border: 1px solid #e1e9f9;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 600;
  color: #20305a;
}
.pd-struct-label i { font-style: normal; font-size: 10.5px; letter-spacing: 0.08em; color: #8fa4c8; }
.pd-struct-chips { display: flex; flex-wrap: wrap; gap: 8px; align-content: center; }
.pd-struct-chips span {
  font-size: 12.5px;
  color: #3e4f6b;
  background: #fafbfe;
  border: 1px solid #e8eef8;
  border-radius: 8px;
  padding: 8px 13px;
  transition: all 0.2s ease;
}
.pd-struct-chips span:hover { color: var(--pd-blue); border-color: #c9d8ff; background: #f4f7ff; }

/* ---------- 核心能力 ---------- */
.pd-adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pd-adv {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--pd-line);
  border-radius: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.pd-adv:hover { transform: translateY(-4px); border-color: #d3dff6; box-shadow: 0 24px 54px rgba(16, 36, 80, 0.1); }
.pd-adv-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 192px;
  padding: 22px;
  overflow: hidden;
  background: linear-gradient(160deg, #f4f7fe, #fbfcff);
  border-bottom: 1px solid #edf1f8;
}
.pd-adv-visual:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(45, 90, 255, 0.1) 1px, transparent 0);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 88%);
  mask-image: linear-gradient(180deg, #000, transparent 88%);
  pointer-events: none;
}
.pd-adv-body { padding: 24px 26px 28px; }
.pd-adv-body h3 { font-size: 17px; margin: 0 0 9px; color: var(--pd-ink); letter-spacing: -0.2px; }
.pd-adv-body p { font-size: 13px; line-height: 1.85; color: var(--pd-body); margin: 0; }

/* 能力卡内的产品示意 */
.pd-mock {
  position: relative;
  width: 100%;
  max-width: 300px;
  padding: 14px;
  background: #fff;
  border: 1px solid #e4ebf7;
  border-radius: 13px;
  box-shadow: 0 14px 34px rgba(20, 42, 92, 0.1);
  font-size: 11.5px;
}
.pd-mock-bar { display: flex; gap: 5px; margin-bottom: 12px; }
.pd-mock-bar span { width: 7px; height: 7px; border-radius: 50%; background: #e1e8f4; }
.pd-mock-bar span:first-child { background: #b9cbff; }
.pd-env-item {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  margin-bottom: 6px;
  background: #fcfdff;
  border: 1px solid #eef2f9;
  border-radius: 8px;
}
.pd-env-item:last-child { margin-bottom: 0; }
.pd-env-item i { width: 7px; height: 7px; border-radius: 50%; background: #cbd5e6; }
.pd-env-item i.on { background: #22c55e; box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.14); }
.pd-env-item b { font-weight: 500; color: #26324a; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pd-env-item em { font-style: normal; font-size: 10px; color: #8a97ad; }
.pd-vault-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  margin-bottom: 6px;
  background: #fcfdff;
  border: 1px solid #eef2f9;
  border-radius: 9px;
}
.pd-vault-row:last-child { margin-bottom: 0; }
.pd-vault-ico {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border-radius: 8px;
  background: #eef3ff;
  color: var(--pd-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pd-vault-ico svg { width: 13px; height: 13px; }
.pd-vault-row b { display: block; font-size: 11px; font-weight: 500; color: #26324a; }
.pd-vault-row em { display: block; margin-top: 3px; font-style: normal; font-size: 10px; letter-spacing: 0.12em; color: #9aa8c0; }
.pd-vault-row > span { margin-left: auto; font-size: 10px; color: var(--pd-blue); background: #eef3ff; border-radius: 999px; padding: 4px 8px; }
.pd-role-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 4px; border-bottom: 1px dashed #edf1f8; font-size: 11px; color: #3e4f6b; }
.pd-role-row:last-child { border-bottom: 0; }
.pd-role-chip { font-size: 10px; padding: 4px 8px; border-radius: 999px; background: #eef3ff; color: var(--pd-blue); }
.pd-role-chip.off { background: #f3f5f9; color: #98a4b8; }
.pd-flow-step { position: relative; display: flex; align-items: center; gap: 9px; padding: 7px 0; }
.pd-flow-step + .pd-flow-step:before { content: ""; position: absolute; left: 10px; top: -7px; width: 1px; height: 7px; background: #dde6f4; }
.pd-flow-step i { width: 20px; height: 20px; flex: 0 0 20px; border-radius: 50%; background: #eef3ff; color: var(--pd-blue); font-size: 10px; font-style: normal; display: flex; align-items: center; justify-content: center; }
.pd-flow-step b { font-size: 11px; font-weight: 500; color: #26324a; }
.pd-flow-state { margin-left: auto; font-size: 9.5px; color: #22a06b; background: rgba(34, 197, 94, 0.1); padding: 3px 7px; border-radius: 999px; }
.pd-mock-deploy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 16px 14px; }
.pd-node { text-align: center; padding: 16px 6px; background: #fcfdff; border: 1px solid #e8eef8; border-radius: 10px; }
.pd-node b { display: block; font-size: 11px; font-weight: 600; color: #26324a; }
.pd-node em { display: block; margin-top: 5px; font-style: normal; font-size: 9.5px; color: #8a97ad; }
.pd-node.is-mid { background: linear-gradient(160deg, #1e3fcc, #2f5bff); border-color: #2f5bff; box-shadow: 0 8px 18px rgba(47, 91, 255, 0.3); }
.pd-node.is-mid b, .pd-node.is-mid em { color: #fff; }
.pd-ver { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.pd-ver span { font-size: 10px; color: #8a97ad; }
.pd-ver b { font-size: 13px; color: #26324a; }
.pd-bar { height: 6px; border-radius: 99px; background: #eef2f9; overflow: hidden; }
.pd-bar i { display: block; width: 82%; height: 100%; border-radius: 99px; background: linear-gradient(90deg, #4b77ff, #22c55e); }
.pd-ver-note { display: flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 10px; color: #5a6b85; }
.pd-ver-note .pd-dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; }

/* ---------- 架构与配置 ---------- */
.pd-arch { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 52px; align-items: start; }
.pd-arch-list { position: relative; display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: arch; }
.pd-arch-item {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--pd-line);
  border-radius: 16px;
  counter-increment: arch;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.pd-arch-item:hover { border-color: #d3dff6; box-shadow: 0 16px 38px rgba(16, 36, 80, 0.06); }
.pd-arch-item:before {
  content: "0" counter(arch);
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #b7c3d8;
}
.pd-arch-item > span {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eff4ff, #fbfcff);
  border: 1px solid #e3eaf9;
  color: var(--pd-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pd-arch-item svg { width: 22px; height: 22px; }
.pd-arch-item h3 { font-size: 16px; margin: 0 0 6px; color: var(--pd-ink); }
.pd-arch-item p { font-size: 13.5px; line-height: 1.8; color: var(--pd-body); margin: 0; }
.pd-spec {
  position: relative;
  overflow: hidden;
  padding: 34px;
  color: #fff;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(45, 90, 255, 0.24), transparent 55%),
    linear-gradient(165deg, #0b1733 0%, #0f1e40 60%, #12295c 100%);
  border: 1px solid rgba(101, 145, 255, 0.28);
  border-radius: 22px;
  box-shadow: 0 30px 70px rgba(9, 20, 48, 0.28);
}
.pd-spec:before {
  content: "";
  position: absolute;
  left: 34px;
  right: 34px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(160, 190, 255, 0.65), transparent);
}
.pd-spec h3 { font-size: 19px; margin: 0 0 6px; letter-spacing: -0.3px; }
.pd-spec > p { font-size: 12.5px; color: rgba(255, 255, 255, 0.58); margin: 0 0 22px; }
.pd-spec-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.pd-spec-table th {
  padding: 0 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #8faeff;
  text-align: left;
  text-transform: uppercase;
}
.pd-spec-table th:not(:first-child), .pd-spec-table td:not(:first-child) { text-align: right; }
.pd-spec-table td { padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.82); white-space: nowrap; }
.pd-spec-table tr:last-child td { border-bottom: 0; }
.pd-spec-table td:first-child { color: #fff; font-weight: 600; }
.pd-spec-foot { margin: 20px 0 0; font-size: 11.5px; line-height: 1.8; color: rgba(255, 255, 255, 0.44); }

/* ---------- 交付流程 ---------- */
.pd-steps { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; margin: 0; padding: 0; list-style: none; }
.pd-steps:before {
  content: "";
  position: absolute;
  top: 30px;
  left: 10%;
  right: 10%;
  border-top: 1px dashed #d8e3f5;
}
.pd-steps li { position: relative; text-align: center; }
.pd-step-num {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: #fff;
  border: 1px solid #dce6f6;
  border-radius: 50%;
  box-shadow: 0 10px 24px rgba(20, 45, 100, 0.08);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pd-blue);
}
.pd-step-num:after {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  border: 1px solid rgba(47, 91, 255, 0.18);
  animation: pdRing 3.2s ease-out infinite;
  animation-delay: var(--d, 0s);
}
.pd-steps li:nth-child(2) .pd-step-num:after { --d: 0.4s; }
.pd-steps li:nth-child(3) .pd-step-num:after { --d: 0.8s; }
.pd-steps li:nth-child(4) .pd-step-num:after { --d: 1.2s; }
.pd-steps li:nth-child(5) .pd-step-num:after { --d: 1.6s; }
.pd-step-body h3 { font-size: 16px; margin: 0 0 8px; color: var(--pd-ink); }
.pd-step-body p { font-size: 12.5px; line-height: 1.8; color: var(--pd-body); margin: 0; }

.pd-deliver {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 44px;
  align-items: center;
  margin-top: 64px;
  padding: 30px 34px;
  background: #fff;
  border: 1px solid var(--pd-line);
  border-radius: 20px;
}
.pd-deliver-head h3 { font-size: 19px; margin: 0; color: var(--pd-ink); letter-spacing: -0.3px; }
.pd-deliver-head p { font-size: 13px; line-height: 1.8; color: var(--pd-body); margin: 8px 0 0; }
.pd-deliver-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 24px; }
.pd-deliver-item { display: grid; grid-template-columns: 18px 1fr; gap: 10px; font-size: 13px; line-height: 1.7; color: #3e4f6b; }
.pd-deliver-item:before { content: "✓"; width: 18px; height: 18px; margin-top: 2px; border-radius: 50%; background: #eef3ff; color: var(--pd-blue); font-size: 10px; display: flex; align-items: center; justify-content: center; }

/* ---------- 安全与运维 ---------- */
.pd-secure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pd-secure {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 15px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--pd-line);
  border-radius: 15px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.pd-secure:hover { transform: translateY(-3px); border-color: #d3dff6; box-shadow: 0 18px 42px rgba(16, 36, 80, 0.08); }
.pd-secure > span {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eff4ff, #fbfcff);
  border: 1px solid #e3eaf9;
  color: var(--pd-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pd-secure svg { width: 21px; height: 21px; }
.pd-secure h3 { font-size: 16px; margin: 0 0 6px; color: var(--pd-ink); }
.pd-secure p { font-size: 13px; line-height: 1.8; color: var(--pd-body); margin: 0; }

/* ---------- FAQ ---------- */
.pd-faq-wrap { max-width: 900px; margin: 0 auto; }
.pd-faq { border-bottom: 1px solid var(--pd-line); }
.pd-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--pd-ink);
  cursor: pointer;
  list-style: none;
}
.pd-faq summary::-webkit-details-marker { display: none; }
.pd-faq summary:after {
  content: "";
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  box-sizing: border-box;
  border: 1px solid #dce5f3;
  border-radius: 50%;
  background-color: transparent;
  background-image: linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: center center, center center;
  background-size: 12px 1.5px, 1.5px 12px;
  color: var(--pd-blue);
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, background-size 0.25s ease;
}
.pd-faq[open] summary:after {
  background-color: var(--pd-blue);
  border-color: var(--pd-blue);
  color: #fff;
  background-size: 12px 1.5px, 1.5px 0;
}
.pd-faq p { max-width: 780px; margin: 0 0 24px; font-size: 14px; line-height: 1.9; color: var(--pd-body); animation: pdFade 0.3s ease; }

/* ---------- 咨询 ---------- */
.pd-cta { position: relative; overflow: hidden; padding: 96px 0; color: #fff; background: #08122a; }
.pd-cta:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 78% 0%, rgba(70, 120, 255, 0.34), transparent 60%),
    linear-gradient(160deg, #08122a 0%, #0e1f46 58%, #153270 100%);
}
.pd-cta:after {
  content: "";
  position: absolute;
  inset: 0;
  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: 76px 76px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 72%);
  mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 72%);
}
.pd-cta-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.pd-cta .pd-kicker { color: #8fb0ff; }
.pd-cta .pd-kicker:before { background: #8fb0ff; }
.pd-cta .pd-kicker i { color: rgba(159, 192, 255, 0.55); }
.pd-cta h2 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.18; font-weight: 800; letter-spacing: -1.4px; margin: 0 0 16px; color: #fff; }
.pd-cta-copy > p { max-width: 520px; font-size: 16px; line-height: 1.9; color: rgba(214, 225, 255, 0.7); margin: 0; }
.pd-cta-list { display: grid; gap: 10px; margin: 26px 0 0; padding: 0; list-style: none; font-size: 13px; color: rgba(214, 225, 255, 0.68); }
.pd-cta-list li { display: flex; align-items: center; gap: 10px; }
.pd-cta-list li:before { content: ""; width: 5px; height: 5px; flex: 0 0 5px; border-radius: 50%; background: #6e93ff; }
.pd-cta-card {
  padding: 34px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 70px rgba(2, 10, 30, 0.4);
}
.pd-cta-mail { display: flex; flex-direction: column; gap: 7px; padding-bottom: 22px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.pd-cta-mail span { font-size: 11px; letter-spacing: 0.16em; color: rgba(159, 192, 255, 0.8); }
.pd-cta-mail a { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; color: #fff; }
.pd-cta-actions { display: grid; gap: 10px; margin-top: 22px; }
.pd-cta-actions .pd-btn { width: 100%; }
.pd-cta-note { margin: 16px 0 0; font-size: 11.5px; line-height: 1.7; text-align: center; color: rgba(255, 255, 255, 0.45); }

/* ---------- 动效 ---------- */
@keyframes pdRise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes pdFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes pdPulse { 0% { transform: scale(0.8); opacity: 0.9; } 70% { transform: scale(2.2); opacity: 0; } 100% { opacity: 0; } }
@keyframes pdRing { 0% { transform: scale(0.92); opacity: 0.7; } 70% { transform: scale(1.2); opacity: 0; } 100% { opacity: 0; } }
@keyframes pdFade { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@keyframes pdFadeUp { from { opacity: 0; } to { opacity: 1; } }

@supports (animation-timeline: view()) {
  .pd-why,
  .pd-form,
  .pd-adv,
  .pd-struct-row,
  .pd-arch-item,
  .pd-spec,
  .pd-steps li,
  .pd-secure,
  .pd-faq {
    animation: pdFadeUp linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 55%;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .pd-hero { padding: 84px 0 76px; }
  .pd-hero-grid { grid-template-columns: 1fr; gap: 52px; }
  .pd-hero h1 { letter-spacing: -1.6px; }
  .pd-visual { max-width: 680px; width: 100%; }
  .pd-metric-grid { grid-template-columns: repeat(2, 1fr); padding: 34px 0; }
  .pd-metric-grid > div { padding: 16px 12px; }
  .pd-metric-grid > div:nth-child(odd):before { display: none; }
  .pd-metric-grid > div:nth-child(n + 3) { border-top: 1px solid var(--pd-line); }
  .pd-why-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-form-grid { grid-template-columns: 1fr; max-width: 680px; }
  .pd-form--feature { transform: none; }
  .pd-form--feature:hover { transform: translateY(-4px); }
  .pd-adv-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-arch { grid-template-columns: 1fr; gap: 32px; }
  .pd-steps { grid-template-columns: repeat(5, 1fr); gap: 14px; }
  .pd-secure-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-deliver { grid-template-columns: 1fr; gap: 24px; }
  .pd-cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .pd-cta-card { max-width: 560px; }
}

@media (max-width: 767px) {
  .pd-steps { grid-template-columns: 1fr; gap: 24px; }
  .pd-steps:before { top: 26px; bottom: 26px; left: 29px; right: auto; width: 0; height: auto; border-top: 0; border-left: 1px dashed #d8e3f5; }
  .pd-steps li { display: grid; grid-template-columns: 60px 1fr; gap: 16px; text-align: left; align-items: start; }
  .pd-step-num { margin: 0; }
  .pd-step-body { padding-top: 12px; }
}

@media (max-width: 640px) {
  .pd-wrap { width: calc(100% - 32px); }
  .pd-hero { padding: 60px 0 56px; }
  .pd-hero h1 { font-size: 34px; letter-spacing: -0.9px; line-height: 1.12; }
  .pd-lead { font-size: 15px; line-height: 1.85; }
  .pd-actions { gap: 10px; }
  .pd-actions .pd-btn { height: 48px; font-size: 14px; padding: 0 22px; }
  .pd-hero-points { gap: 14px 20px; margin-top: 26px; font-size: 12px; }
  .pd-net { padding: 18px; border-radius: 18px; }
  .pd-host { grid-template-columns: 46px 1fr; padding: 16px; gap: 12px; }
  .pd-host-ico { width: 46px; height: 46px; border-radius: 12px; }
  .pd-host strong { font-size: 15px; }
  .pd-host em { font-size: 10.5px; }
  .pd-client { font-size: 10.5px; padding: 10px 4px; gap: 5px; }
  .pd-clients { gap: 7px; }
  .pd-float { position: static; width: max-content; max-width: 100%; margin: 14px 0 0 auto; bottom: auto; right: auto; }
  .pd-float strong { font-size: 12px; }
  .pd-float em { font-size: 10px; }
  .pd-section { padding: 64px 0; }
  .pd-head { margin-bottom: 34px; }
  .pd-head h2 { font-size: 26px; letter-spacing: -0.7px; }
  .pd-head p { font-size: 14.5px; line-height: 1.8; }
  .pd-metric-grid strong { font-size: 30px; letter-spacing: -1.2px; }
  .pd-metric-grid span { font-size: 11.5px; }
  .pd-why-grid { grid-template-columns: 1fr; gap: 12px; }
  .pd-why { padding: 22px 20px; }
  .pd-form { padding: 28px 22px; }
  .pd-form h3 { font-size: 19px; }
  .pd-adv-grid { grid-template-columns: 1fr; gap: 14px; }
  .pd-adv-visual { height: 176px; }
  .pd-struct-row { grid-template-columns: 1fr; gap: 10px; padding: 12px; }
  .pd-struct-label { min-height: 52px; padding: 0 14px; }
  .pd-struct-chips { gap: 6px; }
  .pd-struct-chips span { font-size: 12px; padding: 7px 10px; }
  .pd-arch-item { padding: 20px; grid-template-columns: 42px 1fr; }
  .pd-arch-item > span { width: 42px; height: 42px; }
  .pd-arch-item:before { top: 20px; right: 20px; }
  .pd-spec { padding: 24px; border-radius: 18px; }
  .pd-spec-table { font-size: 12px; }
  .pd-spec-table th, .pd-spec-table td { padding-top: 12px; padding-bottom: 12px; }
  .pd-deliver { padding: 24px; }
  .pd-deliver-grid { grid-template-columns: 1fr; gap: 12px; }
  .pd-secure-grid { grid-template-columns: 1fr; gap: 12px; }
  .pd-faq summary { font-size: 15.5px; padding: 20px 0; }
  .pd-faq p { font-size: 13.5px; }
  .pd-cta { padding: 64px 0; }
  .pd-cta-card { padding: 24px; }
  .pd-cta-mail a { font-size: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  .pd-main *,
  .pd-main *:before,
  .pd-main *:after {
    animation: none !important;
    transition: none !important;
  }
  .pd-hero-copy > *,
  .pd-visual {
    opacity: 1 !important;
    transform: none !important;
  }
}