/* ============================================================
   政达分发 · 现代设计系统 v1.0
   仅作用于 .zd-* 命名空间，不影响旧页面既有样式
   ============================================================ */

:root {
  --zd-primary: #6366f1;
  --zd-primary-deep: #4f46e5;
  --zd-violet: #8b5cf6;
  --zd-cyan: #06b6d4;
  --zd-pink: #f472b6;
  --zd-ink: #0f172a;
  --zd-ink-2: #1e293b;
  --zd-muted: #64748b;
  --zd-muted-2: #94a3b8;
  --zd-line: #e9ebf5;
  --zd-bg: #f7f8fc;
  --zd-white: #ffffff;
  --zd-radius-s: 12px;
  --zd-radius: 18px;
  --zd-radius-l: 28px;
  --zd-shadow-s: 0 2px 8px rgba(15, 23, 42, .04);
  --zd-shadow: 0 12px 32px -12px rgba(15, 23, 42, .14);
  --zd-shadow-l: 0 32px 80px -32px rgba(30, 41, 59, .28);
  --zd-grad: linear-gradient(135deg, #4f46e5 0%, #6d28d9 55%, #7c3aed 100%);
  --zd-grad-soft: linear-gradient(135deg, #eef0ff 0%, #f5f0ff 50%, #e8f8ff 100%);
  --zd-font: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont,
    "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Hiragino Sans GB",
    "Microsoft YaHei", system-ui, sans-serif;
}

/* ---------- 基础 ---------- */
.zd-page,
.zd-page * ,
.zd-nav, .zd-nav * ,
.zd-footer, .zd-footer * {
  box-sizing: border-box;
}

.zd-page {
  font-family: var(--zd-font);
  background: var(--zd-bg);
  color: var(--zd-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.zd-page a { text-decoration: none; }
.zd-page img { max-width: 100%; display: block; }

.zd-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 导航 ---------- */
.zd-nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .95);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, .06);
  font-family: var(--zd-font);
  transition: box-shadow .25s ease, background .25s ease;
}

.zd-nav.is-scrolled {
  background: rgba(255, 255, 255, .99);
  box-shadow: 0 10px 30px -18px rgba(15, 23, 42, .35);
}

.zd-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.zd-nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.zd-nav__logo img {
  height: 34px;
  width: auto;
  border-radius: 8px;
}

.zd-nav__brand {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--zd-ink);
  white-space: nowrap;
}

.zd-nav__brand em {
  font-style: normal;
  background: var(--zd-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.zd-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.zd-menu > li {
  position: relative;
}

.zd-menu > li > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 38px;
  padding: 0 13px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: #334155;
  transition: color .18s ease, background .18s ease;
}

.zd-menu > li > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--zd-grad);
  transform: translateX(-50%);
  transition: width .22s ease;
}

.zd-menu > li:hover > a,
.zd-menu > li.is-active > a {
  color: var(--zd-primary-deep);
  background: #f2f3ff;
}

.zd-menu > li:hover > a::after,
.zd-menu > li.is-active > a::after {
  width: 16px;
}

.zd-menu__caret {
  width: 8px;
  height: 8px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: .55;
  transition: transform .2s ease;
}

.zd-menu > li:hover .zd-menu__caret {
  transform: rotate(225deg) translateY(-1px);
}

/* mega 面板 */
.zd-mega {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translate(-50%, 10px);
  min-width: 560px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--zd-line);
  border-radius: 20px;
  box-shadow: var(--zd-shadow-l);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}

.zd-menu > li:hover .zd-mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.zd-mega::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: #fff;
  border-left: 1px solid var(--zd-line);
  border-top: 1px solid var(--zd-line);
  transform: translateX(-50%) rotate(45deg);
  border-radius: 2px 0 0 0;
}

/* 悬浮热区：面板与触发器之间有 10px 间隙，且面板默认 pointer-events:none，
   鼠标下移时先离开 li 会导致 hover 立即中断、子项点不到；用透明伪元素把间隙补满 */
.zd-mega::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 14px;
}

.zd-mega__item {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: 14px;
  transition: background .18s ease, transform .18s ease;
}

.zd-mega__item:hover {
  background: #f7f8ff;
  transform: translateY(-1px);
}

.zd-mega__icon {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--zd-grad-soft);
  color: var(--zd-primary-deep);
  font-size: 16px;
  font-weight: 700;
}

.zd-mega__t {
  font-size: 14px;
  font-weight: 600;
  color: var(--zd-ink);
  line-height: 1.5;
}

.zd-mega__d {
  font-size: 12.5px;
  color: var(--zd-muted);
  line-height: 1.55;
  margin-top: 2px;
}

.zd-nav__right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* 按钮 */
.zd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}

.zd-btn--primary {
  color: #fff;
  background: var(--zd-grad);
  box-shadow: 0 10px 24px -10px rgba(99, 102, 241, .8);
}

.zd-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -12px rgba(99, 102, 241, .85);
}

.zd-btn--ghost {
  color: var(--zd-ink);
  background: #fff;
  border: 1px solid var(--zd-line);
}

.zd-btn--ghost:hover {
  border-color: #cdd2f5;
  color: var(--zd-primary-deep);
  transform: translateY(-1px);
}

.zd-btn--sm {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
}

.zd-btn--lg {
  height: 52px;
  padding: 0 30px;
  font-size: 15.5px;
}

.zd-btn__arrow {
  display: inline-block;
  transition: transform .2s ease;
}

.zd-btn:hover .zd-btn__arrow { transform: translateX(3px); }

/* 用户区 */
.zd-user {
  position: relative;
}

.zd-user__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 12px 0 4px;
  border-radius: 999px;
  border: 1px solid var(--zd-line);
  background: #fff;
  cursor: pointer;
  transition: border-color .18s ease;
}

.zd-user:hover .zd-user__trigger { border-color: #cdd2f5; }

.zd-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  background: var(--zd-grad);
  text-transform: uppercase;
}

.zd-user__name {
  max-width: 96px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--zd-ink);
}

.zd-user__drop {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 232px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--zd-line);
  border-radius: 16px;
  box-shadow: var(--zd-shadow-l);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .18s ease;
}

.zd-user:hover .zd-user__drop {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* 同上：补满触发器与下拉面板之间的 10px 间隙 */
.zd-user__drop::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 14px;
}

.zd-user__drop a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13.5px;
  color: #334155;
  transition: background .15s ease, color .15s ease;
}

.zd-user__drop a:hover {
  background: #f4f5ff;
  color: var(--zd-primary-deep);
}

.zd-user__drop .zd-user__sep {
  height: 1px;
  margin: 6px 8px;
  background: var(--zd-line);
}

.zd-user__drop .zd-user__danger { color: #e11d48; }

/* 移动端按钮与抽屉 */
.zd-nav__burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--zd-line);
  border-radius: 12px;
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.zd-nav__burger span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--zd-ink);
  transition: transform .22s ease, opacity .22s ease;
}

.zd-drawer {
  position: fixed;
  inset: 0;
  z-index: 950;
  pointer-events: none;
  overflow: hidden;
}

.zd-drawer__mask {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, .45);
  opacity: 0;
  transition: opacity .25s ease;
}

.zd-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(86vw, 360px);
  background: #fff;
  padding: 20px 20px 32px;
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.4, 0, .2, 1);
  overflow-y: auto;
  font-family: var(--zd-font);
}

.zd-drawer.is-open { pointer-events: auto; }
.zd-drawer.is-open .zd-drawer__mask { opacity: 1; }
.zd-drawer.is-open .zd-drawer__panel { transform: none; }

.zd-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--zd-line);
}

.zd-drawer__close {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: #f4f5fb;
  font-size: 20px;
  line-height: 1;
  color: var(--zd-muted);
  cursor: pointer;
}

.zd-drawer__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.zd-drawer__list > li > a,
.zd-drawer__list > li > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--zd-ink);
  border-bottom: 1px solid #f2f3f9;
  cursor: pointer;
}

.zd-drawer__sub {
  list-style: none;
  margin: 0;
  padding: 4px 6px 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.zd-drawer__sub a {
  display: block;
  padding: 9px 10px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--zd-muted);
  background: #f8f9fd;
}

.zd-drawer__sub a:hover { color: var(--zd-primary-deep); }

.zd-drawer__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- Hero ---------- */
.zd-hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 72px;
  background:
    radial-gradient(900px 480px at 8% -10%, #eef0ff 0%, transparent 62%),
    radial-gradient(760px 420px at 96% 6%, #e6f7ff 0%, transparent 58%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fe 100%);
}

.zd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, .06) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(680px 400px at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(680px 400px at 50% 0%, #000 0%, transparent 78%);
  pointer-events: none;
}

.zd-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 56px;
  align-items: center;
}

.zd-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #e3e5fb;
  box-shadow: var(--zd-shadow-s);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--zd-primary-deep);
}

.zd-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .16);
}

.zd-h1 {
  margin: 20px 0 0;
  font-size: clamp(38px, 4.1vw, 58px);
  line-height: 1.08;
  letter-spacing: -.025em;
  font-weight: 800;
  color: var(--zd-ink);
}

.zd-h1 em {
  font-style: normal;
  background: var(--zd-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.zd-lead {
  margin: 20px 0 0;
  max-width: 540px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--zd-muted);
}

.zd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.zd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(15, 23, 42, .07);
}

.zd-hero__meta div {
  font-size: 13px;
  color: var(--zd-muted);
}

.zd-hero__meta b {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--zd-ink);
  margin-bottom: 3px;
}

/* Hero 视觉（无图片依赖） */
.zd-visual {
  position: relative;
  height: 420px;
}

.zd-visual__glow {
  position: absolute;
  inset: -10% -6%;
  background:
    radial-gradient(320px 240px at 30% 20%, rgba(99, 102, 241, .35), transparent 70%),
    radial-gradient(300px 240px at 76% 72%, rgba(6, 182, 212, .3), transparent 72%);
  filter: blur(8px);
}

.zd-card-float {
  position: absolute;
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 22px;
  box-shadow: var(--zd-shadow-l);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  animation: zd-float 7s ease-in-out infinite;
}

.zd-card-float--main {
  left: 6%;
  top: 34px;
  width: 78%;
  padding: 22px;
}

.zd-card-float--main .zd-phone-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px dashed #e6e8f5;
  margin-bottom: 14px;
}

.zd-app-ico {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--zd-grad);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -.02em;
}

.zd-card-float--main h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--zd-ink);
}

.zd-card-float--main small {
  color: #5f6b80;
  font-size: 12px;
}

.zd-bar {
  height: 8px;
  border-radius: 99px;
  background: #eef0f9;
  overflow: hidden;
  margin-top: 12px;
}

.zd-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--zd-grad);
  animation: zd-progress 3.2s ease-in-out infinite;
}

.zd-card-float--main .zd-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--zd-muted);
}

.zd-card-float--badge {
  right: -2%;
  top: 0;
  padding: 14px 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  animation-delay: .8s;
}

.zd-card-float--badge .zd-ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #ecfdf5;
  color: #059669;
  display: grid;
  place-items: center;
  font-size: 15px;
}

.zd-card-float--badge b { font-size: 13px; display: block; }
.zd-card-float--badge span { font-size: 12px; color: #5f6b80; }

.zd-card-float--mini {
  left: 0;
  bottom: 26px;
  padding: 13px 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  animation-delay: 1.6s;
}

.zd-card-float--mini .zd-ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #eef2ff;
  color: #4f46e5;
  display: grid;
  place-items: center;
  font-size: 15px;
}

.zd-card-float--mini b { font-size: 13px; display: block; }
.zd-card-float--mini span { font-size: 12px; color: #5f6b80; }

@keyframes zd-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes zd-progress {
  0% { width: 30%; }
  55% { width: 78%; }
  100% { width: 30%; }
}

/* ---------- 通用区块 ---------- */
.zd-section {
  padding: 86px 0;
}

.zd-section--tight { padding: 64px 0; }

.zd-section--white { background: #fff; }

.zd-head {
  max-width: 720px;
  margin: 0 auto 46px;
  text-align: center;
}

.zd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #eef0ff;
  color: var(--zd-primary-deep);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.zd-h2 {
  margin: 16px 0 0;
  font-size: clamp(28px, 2.6vw, 38px);
  line-height: 1.18;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--zd-ink);
}

.zd-sub {
  margin: 12px auto 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--zd-muted);
}

/* ---------- 服务卡片 ---------- */
.zd-services {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.zd-service {
  position: relative;
  display: block;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--zd-line);
  border-radius: var(--zd-radius);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  overflow: hidden;
}

.zd-service::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(99, 102, 241, .5), rgba(6, 182, 212, .35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .22s ease;
  pointer-events: none;
}

.zd-service:hover {
  transform: translateY(-4px);
  box-shadow: var(--zd-shadow);
  border-color: transparent;
}

.zd-service:hover::after { opacity: 1; }

.zd-service__ico {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  background: var(--zd-grad);
  box-shadow: 0 10px 20px -10px rgba(99, 102, 241, .8);
  margin-bottom: 18px;
}

.zd-service__t {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--zd-ink);
}

.zd-service__d {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--zd-muted);
}

.zd-service__go {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--zd-primary-deep);
}

.zd-service__go span { transition: transform .2s ease; }
.zd-service:hover .zd-service__go span { transform: translateX(3px); }

/* 图标颜色变体 */
.zd-v1 { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.zd-v2 { background: linear-gradient(135deg, #0ea5e9, #06b6d4); }
.zd-v3 { background: linear-gradient(135deg, #f97316, #fb923c); }
.zd-v4 { background: linear-gradient(135deg, #10b981, #34d399); }
.zd-v5 { background: linear-gradient(135deg, #ec4899, #f472b6); }
.zd-v6 { background: linear-gradient(135deg, #8b5cf6, #c084fc); }
.zd-v7 { background: linear-gradient(135deg, #ef4444, #f87171); }
.zd-v8 { background: linear-gradient(135deg, #14b8a6, #2dd4bf); }
.zd-v9 { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.zd-v10 { background: linear-gradient(135deg, #3b82f6, #60a5fa); }
.zd-v11 { background: linear-gradient(135deg, #a855f7, #d946ef); }
.zd-v12 { background: linear-gradient(135deg, #64748b, #94a3b8); }

/* ---------- 优势 ---------- */
.zd-features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.zd-feature {
  padding: 26px 22px;
  background: #fff;
  border: 1px solid var(--zd-line);
  border-radius: var(--zd-radius);
  transition: transform .22s ease, box-shadow .22s ease;
}

.zd-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--zd-shadow);
}

.zd-feature__ico {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--zd-grad-soft);
  color: var(--zd-primary-deep);
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 16px;
}

.zd-feature h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--zd-ink);
}

.zd-feature p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--zd-muted);
}

/* ---------- 数据条 ---------- */
.zd-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.zd-stat {
  padding: 28px 22px;
  border-radius: var(--zd-radius);
  background: #fff;
  border: 1px solid var(--zd-line);
  text-align: center;
}

.zd-stat b {
  display: block;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -.03em;
  background: var(--zd-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.zd-stat span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--zd-muted);
}

/* ---------- CTA ---------- */
.zd-cta {
  position: relative;
  overflow: hidden;
  padding: 64px 56px;
  border-radius: var(--zd-radius-l);
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 45%, #4c1d95 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.zd-cta::before,
.zd-cta::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
  pointer-events: none;
}

.zd-cta::before {
  width: 380px;
  height: 380px;
  right: -80px;
  top: -160px;
  background: radial-gradient(circle, rgba(139, 92, 246, .55), transparent 65%);
}

.zd-cta::after {
  width: 320px;
  height: 320px;
  left: -60px;
  bottom: -180px;
  background: radial-gradient(circle, rgba(6, 182, 212, .4), transparent 65%);
}

.zd-cta h2 {
  position: relative;
  margin: 0;
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.3;
}

.zd-cta p {
  position: relative;
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .72);
}

.zd-cta__actions {
  position: relative;
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.zd-btn--light {
  background: #fff;
  color: #312e81;
  box-shadow: 0 14px 30px -14px rgba(0, 0, 0, .5);
}

.zd-btn--light:hover { transform: translateY(-1px); }

.zd-btn--outline-light {
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .28);
}

.zd-btn--outline-light:hover { background: rgba(255, 255, 255, .16); }

/* ---------- 页脚 ---------- */
.zd-footer {
  background: #0b1020;
  color: #94a3b8;
  font-family: var(--zd-font);
  padding: 64px 0 28px;
}

.zd-footer a { color: #94a3b8; transition: color .18s ease; }
.zd-footer a:hover { color: #fff; }

.zd-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.15fr;
  gap: 32px;
}

.zd-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.zd-footer__brand img { height: 32px; width: auto; border-radius: 8px; }

.zd-footer__brand b {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.zd-footer__desc {
  max-width: 300px;
  font-size: 13px;
  line-height: 1.8;
  color: #7c8aa5;
}

.zd-footer__qr {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.zd-footer__qr img {
  width: 86px;
  height: 86px;
  border-radius: 12px;
  background: #fff;
  padding: 5px;
}

.zd-footer__qr span { font-size: 12px; color: #7c8aa5; }

.zd-footer h4 {
  margin: 4px 0 16px;
  font-size: 13.5px;
  font-weight: 700;
  color: #e2e8f0;
  letter-spacing: .02em;
}

.zd-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.zd-footer__links li { margin-bottom: 10px; font-size: 13px; }

.zd-footer__bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(148, 163, 184, .16);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #64748b;
}

.zd-footer__bottom a { color: #7c8aa5; }

.zd-footer__social {
  display: flex;
  align-items: center;
  gap: 10px;
}

.zd-footer__social a {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(148, 163, 184, .1);
  font-size: 13px;
}

.zd-footer__social a:hover { background: rgba(148, 163, 184, .22); color: #fff; }

/* ---------- 滚动淡入 ---------- */
.zd-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s cubic-bezier(.2, .7, .2, 1), transform .6s cubic-bezier(.2, .7, .2, 1);
  will-change: opacity, transform;
}

.zd-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 内页容器辅助 ---------- */
.zd-page-wrap {
  background: var(--zd-bg);
  min-height: 60vh;
  padding-bottom: 40px;
}

.zd-card {
  background: #fff;
  border: 1px solid var(--zd-line);
  border-radius: var(--zd-radius);
  box-shadow: var(--zd-shadow-s);
  padding: 24px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .zd-menu { display: none; }
  .zd-nav__burger { display: inline-flex; }
  .zd-nav__right .zd-btn--ghost,
  .zd-nav__right .zd-user { display: none; }
  .zd-nav__inner { height: 64px; gap: 12px; }

  .zd-hero { padding: 56px 0 48px; }
  .zd-hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .zd-visual { height: 340px; max-width: 460px; margin: 0 auto; width: 100%; }
  .zd-services, .zd-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .zd-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .zd-footer__grid { grid-template-columns: 1fr 1fr; }
  .zd-cta { flex-direction: column; align-items: flex-start; padding: 40px 28px; }
}

@media (max-width: 640px) {
  .zd-container { padding: 0 18px; }
  .zd-section { padding: 56px 0; }
  .zd-h1 { font-size: 34px; }
  .zd-lead { font-size: 15px; }
  .zd-services, .zd-features { grid-template-columns: 1fr; }
  .zd-stats { grid-template-columns: 1fr 1fr; }
  .zd-visual { height: 300px; }
  .zd-card-float--main { left: 0; width: 88%; }
  .zd-footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .zd-cta__actions { flex-direction: column; width: 100%; }
  .zd-cta__actions .zd-btn { width: 100%; }
}

/* ============================================================
   移动端首页（.zd-mobile）
   ============================================================ */
.zd-mobile .zd-hero { padding: 34px 0 38px; }
.zd-mobile .zd-h1 { font-size: 32px; line-height: 1.24; }
.zd-mobile .zd-lead { margin-top: 14px; font-size: 15px; line-height: 1.7; }
.zd-mobile .zd-hero__actions { flex-direction: column; margin-top: 22px; }
.zd-mobile .zd-hero__actions .zd-btn { width: 100%; justify-content: center; }
.zd-mobile .zd-hero__meta { margin-top: 24px; padding-top: 18px; gap: 14px 20px; }
.zd-mobile .zd-hero__meta b { font-size: 19px; }
.zd-mobile .zd-section { padding: 46px 0; }
.zd-mobile .zd-section--tight { padding: 42px 0; }
.zd-mobile .zd-head { margin-bottom: 24px; }
.zd-mobile .zd-h2 { font-size: 24px; }
.zd-mobile .zd-sub { font-size: 14px; }

/* 应用预览卡 */
.zd-mcard {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--zd-line);
  border-radius: 20px;
  box-shadow: var(--zd-shadow);
}

.zd-mcard__ico {
  flex: 0 0 54px;
  width: 54px;
  height: 54px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 23px;
  font-weight: 800;
  color: #fff;
  background: var(--zd-grad);
  box-shadow: 0 10px 22px -10px rgba(99, 102, 241, .8);
}

.zd-mcard__main { flex: 1; min-width: 0; }
.zd-mcard__main b { display: block; font-size: 15px; color: var(--zd-ink); }
.zd-mcard__main span { display: block; margin-top: 3px; font-size: 12px; color: var(--zd-muted); }

.zd-mcard__btn {
  flex: 0 0 auto;
  height: 36px;
  padding: 0 14px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  background: var(--zd-grad);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

/* 常用入口 */
.zd-quick { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }

.zd-quick a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 15px 4px 13px;
  background: #fff;
  border: 1px solid var(--zd-line);
  border-radius: 16px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--zd-ink-2);
  transition: transform .18s ease, box-shadow .18s ease;
}

.zd-quick a:active { transform: scale(.97); box-shadow: var(--zd-shadow-s); }

.zd-quick__ico {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #fff;
}

/* 移动端服务 / 优势 */
@media (max-width: 640px) {
  .zd-mobile .zd-services,
  .zd-mobile .zd-features { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .zd-mobile .zd-service { padding: 18px 14px; }
  .zd-mobile .zd-service__ico { width: 40px; height: 40px; border-radius: 12px; }
  .zd-mobile .zd-service__t { margin-top: 12px; font-size: 15px; }
  .zd-mobile .zd-service__d { font-size: 12px; }
  .zd-mobile .zd-service__go { display: none; }
  .zd-mobile .zd-feature { padding: 16px 14px; }
  .zd-mobile .zd-feature h3 { font-size: 14.5px; }
  .zd-mobile .zd-feature p { font-size: 12px; }
  .zd-mobile .zd-stats { gap: 12px; }
  .zd-mobile .zd-stat { padding: 18px 14px; }
  .zd-mobile .zd-stat b { font-size: 24px; }
  .zd-mobile .zd-cta { padding: 32px 22px; border-radius: 22px; }
  .zd-mobile .zd-cta h2 { font-size: 22px; }
}

/* 公告弹层 */
.zd-notice {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: rgba(15, 23, 42, .48);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.zd-notice.is-open { display: flex; }

.zd-notice__box {
  width: 100%;
  max-width: 340px;
  padding: 22px;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--zd-shadow-l);
  animation: zdNoticeIn .26s ease;
}

@keyframes zdNoticeIn {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to { opacity: 1; transform: none; }
}

.zd-notice__box h3 { margin: 0 0 12px; font-size: 17px; font-weight: 800; color: var(--zd-ink); }
.zd-notice__body { max-height: 42vh; overflow: auto; font-size: 14px; line-height: 1.75; color: var(--zd-muted); }
.zd-notice__body img { max-width: 100%; }
.zd-notice__actions { display: flex; gap: 10px; margin-top: 18px; }
.zd-notice__actions .zd-btn { flex: 1; justify-content: center; }

/* ============================================================
   视觉增强 v2 · 光斑 / 层次 / 细节
   仅叠加在既有 .zd-* 结构上，不改布局
   ============================================================ */

.zd-page ::selection {
  background: rgba(99, 102, 241, .18);
}

.zd-page a:focus-visible,
.zd-page button:focus-visible {
  outline: 2px solid rgba(99, 102, 241, .55);
  outline-offset: 2px;
  border-radius: 8px;
}

/* Hero 流动光斑 */
.zd-hero__grid { z-index: 1; }

.zd-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: -220px;
  right: -160px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 32%, rgba(139, 92, 246, .28), rgba(139, 92, 246, 0) 60%),
    radial-gradient(circle at 70% 66%, rgba(6, 182, 212, .22), rgba(6, 182, 212, 0) 62%);
  animation: zdAurora 18s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes zdAurora {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-60px, 40px, 0) scale(1.12); }
}

/* 主按钮掠过光泽 */
.zd-btn--primary {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.zd-btn--primary::after {
  content: "";
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: -70%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: skewX(-18deg);
  transition: left .62s ease;
  pointer-events: none;
}

.zd-btn--primary:hover::after { left: 130%; }

/* 区块标题细节 */
.zd-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--zd-grad);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, .14);
}

.zd-h2 {
  position: relative;
}

.zd-head .zd-h2::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin: 18px auto 0;
  border-radius: 999px;
  background: var(--zd-grad);
  opacity: .85;
}

/* 卡片层次 */
.zd-service,
.zd-feature {
  will-change: transform;
}

.zd-service:hover {
  box-shadow: 0 24px 48px -26px rgba(79, 70, 229, .42);
}

.zd-feature {
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.zd-feature:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 44px -28px rgba(79, 70, 229, .38);
  border-color: #dfe3fb;
}

/* 数据卡渐变数字 */
.zd-stat b {
  background: var(--zd-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 底部 CTA 更有分量 */
.zd-cta {
  position: relative;
  overflow: hidden;
}

.zd-cta > * {
  position: relative;
  z-index: 1;
}

.zd-cta::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .22), rgba(255, 255, 255, 0) 62%);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .zd-hero::after { animation: none; }
  .zd-btn--primary::after { display: none; }
  .zd-service,
  .zd-feature { transition: none; }
}

/* ============================================================
   全站玻璃拟态 v3 · 前台
   仅叠加背景 / 边框 / 模糊，不改布局与文案
   ============================================================ */

/* 页面底板：三光斑浮在浅色渐变上 */
.zd-page {
  background:
    radial-gradient(920px 520px at 8% -12%, #dbe4ff 0%, rgba(219, 228, 255, 0) 62%),
    radial-gradient(860px 500px at 96% 0%, #ecdcff 0%, rgba(236, 220, 255, 0) 60%),
    radial-gradient(820px 520px at 52% 106%, #d5f0ff 0%, rgba(213, 240, 255, 0) 64%),
    linear-gradient(165deg, #f3f6ff 0%, #e7edfa 100%);
  background-repeat: no-repeat;
  background-size: cover;
}

/* ---------- 导航 / 抽屉 / 下拉 ---------- */
.zd-nav {
  background: rgba(255, 255, 255, .56);
  border-bottom: 1px solid rgba(255, 255, 255, .7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}

.zd-nav.is-scrolled {
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 12px 34px -22px rgba(15, 23, 42, .4), inset 0 1px 0 rgba(255, 255, 255, .8);
}

.zd-menu > li:hover > a,
.zd-menu > li.is-active > a {
  background: rgba(255, 255, 255, .62);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .7);
}

.zd-mega {
  background: rgba(255, 255, 255, .7);
  border: 1px solid rgba(255, 255, 255, .7);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 30px 70px -34px rgba(30, 41, 59, .38), inset 0 1px 0 rgba(255, 255, 255, .85);
}

.zd-mega::before {
  background: rgba(255, 255, 255, .7);
  border-color: rgba(255, 255, 255, .7);
}

.zd-mega__item:hover {
  background: rgba(255, 255, 255, .55);
}

.zd-mega__icon {
  background: rgba(255, 255, 255, .62);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .8);
}

.zd-drawer__panel {
  background: rgba(255, 255, 255, .66);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  backdrop-filter: blur(26px) saturate(180%);
  border-left: 1px solid rgba(255, 255, 255, .7);
  box-shadow: -30px 0 70px -40px rgba(15, 23, 42, .45);
}

.zd-drawer__head { border-bottom-color: rgba(15, 23, 42, .08); }
.zd-drawer__list > li > a,
.zd-drawer__list > li > span { border-bottom-color: rgba(15, 23, 42, .07); }

.zd-drawer__close,
.zd-drawer__sub a {
  background: rgba(255, 255, 255, .5);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .7);
}

.zd-drawer__sub a:hover { background: rgba(255, 255, 255, .78); }

/* ---------- 按钮 ---------- */
.zd-btn--ghost {
  background: rgba(255, 255, 255, .5);
  border: 1px solid rgba(255, 255, 255, .75);
  -webkit-backdrop-filter: blur(12px) saturate(170%);
  backdrop-filter: blur(12px) saturate(170%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}

.zd-btn--ghost:hover {
  background: rgba(255, 255, 255, .78);
  border-color: rgba(199, 205, 245, .9);
}

/* ---------- 首屏 ---------- */
.zd-hero { background: transparent; }

.zd-hero::before {
  background-image:
    linear-gradient(rgba(99, 102, 241, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, .05) 1px, transparent 1px);
}

.zd-pill {
  background: rgba(255, 255, 255, .55);
  border: 1px solid rgba(255, 255, 255, .75);
  -webkit-backdrop-filter: blur(12px) saturate(170%);
  backdrop-filter: blur(12px) saturate(170%);
  box-shadow: 0 6px 18px -12px rgba(15, 23, 42, .3), inset 0 1px 0 rgba(255, 255, 255, .85);
}

.zd-hero__meta { border-top-color: rgba(15, 23, 42, .08); }

.zd-card-float {
  background: rgba(255, 255, 255, .62);
  border: 1px solid rgba(255, 255, 255, .75);
  -webkit-backdrop-filter: blur(18px) saturate(175%);
  backdrop-filter: blur(18px) saturate(175%);
  box-shadow: 0 34px 80px -40px rgba(30, 41, 59, .38), inset 0 1px 0 rgba(255, 255, 255, .85);
}

.zd-card-float--main .zd-phone-top { border-bottom-color: rgba(15, 23, 42, .08); }

/* ---------- 区块 / 卡片 ---------- */
.zd-section--white { background: rgba(255, 255, 255, .32); }

.zd-service,
.zd-feature,
.zd-stat {
  background: rgba(255, 255, 255, .55);
  border: 1px solid rgba(255, 255, 255, .72);
  -webkit-backdrop-filter: blur(16px) saturate(175%);
  backdrop-filter: blur(16px) saturate(175%);
  box-shadow: 0 20px 44px -30px rgba(30, 41, 59, .3), inset 0 1px 0 rgba(255, 255, 255, .85);
}

.zd-service:hover,
.zd-feature:hover {
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 28px 56px -30px rgba(79, 70, 229, .42), inset 0 1px 0 rgba(255, 255, 255, .9);
}

.zd-feature__ico,
.zd-eyebrow {
  background: rgba(255, 255, 255, .58);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .8);
}

.zd-card,
.zd-mcard,
.zd-quick a {
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(255, 255, 255, .72);
  -webkit-backdrop-filter: blur(16px) saturate(175%);
  backdrop-filter: blur(16px) saturate(175%);
  box-shadow: 0 20px 44px -30px rgba(30, 41, 59, .3), inset 0 1px 0 rgba(255, 255, 255, .85);
}

.zd-quick a:hover { background: rgba(255, 255, 255, .76); }

.zd-page-wrap { background: transparent; }

/* ---------- CTA：深色玻璃 ---------- */
.zd-cta {
  background: linear-gradient(135deg, rgba(30, 27, 75, .8) 0%, rgba(49, 46, 129, .74) 45%, rgba(76, 29, 149, .72) 100%);
  border: 1px solid rgba(255, 255, 255, .18);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 34px 80px -44px rgba(30, 27, 75, .8), inset 0 1px 0 rgba(255, 255, 255, .2);
}

/* ---------- 页脚：浅色玻璃 ---------- */
.zd-footer {
  background: rgba(255, 255, 255, .5);
  color: #475569;
  border-top: 1px solid rgba(255, 255, 255, .75);
  -webkit-backdrop-filter: blur(20px) saturate(175%);
  backdrop-filter: blur(20px) saturate(175%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .85);
}

.zd-footer a { color: #475569; }
.zd-footer a:hover { color: var(--zd-primary-deep); }
.zd-footer__brand b { color: var(--zd-ink); }
.zd-footer__desc,
.zd-footer__qr span { color: #5b6577; }
.zd-footer h4 { color: var(--zd-ink); }
.zd-footer__bottom {
  border-top-color: rgba(15, 23, 42, .08);
  color: #64748b;
}
.zd-footer__bottom a { color: #64748b; }
.zd-footer__social a {
  background: rgba(255, 255, 255, .55);
  color: #475569;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .75);
}
.zd-footer__social a:hover { background: #fff; color: var(--zd-primary-deep); }

/* ---------- 辅助 ---------- */
.zd-to-top {
  background: rgba(255, 255, 255, .68);
  border: 1px solid rgba(255, 255, 255, .75);
  -webkit-backdrop-filter: blur(14px) saturate(175%);
  backdrop-filter: blur(14px) saturate(175%);
}

.zd-notice__box {
  background: rgba(255, 255, 255, .78);
  border: 1px solid rgba(255, 255, 255, .7);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
}

.zd-page input:not([type="checkbox"]):not([type="radio"]),
.zd-page textarea,
.zd-page select {
  background: rgba(255, 255, 255, .55);
  border: 1px solid rgba(255, 255, 255, .75);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}

.zd-page input:focus,
.zd-page textarea:focus,
.zd-page select:focus { background: rgba(255, 255, 255, .82); }

/* ============================================================
   首页动态背景与交互 v4
   纯 CSS 动画 + 指针变量（zd.js 写入 --zd-gx/--zd-gy/--zd-sx/--zd-sy）
   触摸设备与 prefers-reduced-motion 自动降级
   ============================================================ */

/* 1) 背景网格缓速漂移 */
@keyframes zdGridDrift {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(56px, 56px, 0); }
}

.zd-hero::before {
  inset: -64px;
  animation: zdGridDrift 36s linear infinite;
}

/* 2) 极光补一层，色彩与位移更明显 */
.zd-hero::after {
  background:
    radial-gradient(circle at 30% 34%, rgba(99, 102, 241, .30), rgba(99, 102, 241, 0) 58%),
    radial-gradient(circle at 72% 66%, rgba(6, 182, 212, .24), rgba(6, 182, 212, 0) 60%),
    radial-gradient(circle at 54% 82%, rgba(168, 85, 247, .18), rgba(168, 85, 247, 0) 62%);
}

/* 3) 指针跟随光晕（hero 内） */
.zd-hero__grid::before {
  content: "";
  position: absolute;
  inset: -48px -64px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(420px 320px at var(--zd-gx, 50%) var(--zd-gy, 30%),
    rgba(99, 102, 241, .18), rgba(99, 102, 241, 0) 70%);
  opacity: 0;
  transition: opacity .35s ease;
}

.zd-hero:hover .zd-hero__grid::before { opacity: 1; }

/* 4) 服务卡随光标的高光 */
.zd-service {
  background:
    radial-gradient(240px 180px at var(--zd-sx, 50%) var(--zd-sy, 0%),
      rgba(99, 102, 241, .12), rgba(99, 102, 241, 0) 70%) no-repeat,
    #fff;
}

/* 5) 降级 */
@media (prefers-reduced-motion: reduce) {
  .zd-hero::before,
  .zd-hero::after { animation: none; }
  .zd-hero__grid::before { display: none; }
}

@media (hover: none), (max-width: 1080px) {
  .zd-hero__grid::before { display: none; }
  .zd-service { background: #fff; }
}