/* 刀223 — 悦仓官网。纯静态:无构建、无第三方资源(字体用系统栈,图只用 SVG)。
   颜色:近黑底 + 品牌蓝 #2563eb / 浅主色 #7ea2f4(docs/brand/README.md)。 */
:root {
  --bg: #0b1220;
  --bg-2: #0f1a2e;
  --card: rgba(255, 255, 255, 0.04);
  --card-hi: rgba(255, 255, 255, 0.07);
  --line: rgba(255, 255, 255, 0.09);
  --line-hi: rgba(126, 162, 244, 0.45);
  --text: #e8eefb;
  --muted: #94a3bd;
  --brand: #2563eb;
  --brand-2: #7ea2f4;
  --ok: #34d399;
  --warn: #fbbf24;
  --radius: 18px;
  --font:
    ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, 'Helvetica Neue',
    'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img,
svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
}
h1,
h2,
h3,
p,
ul {
  margin: 0;
}
ul {
  padding: 0;
  list-style: none;
}
.wrap {
  width: min(1180px, 100% - 40px);
  margin-inline: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ───── 背景光晕 + 网格 ───── */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}
.glow.a {
  width: 620px;
  height: 620px;
  left: -140px;
  top: -200px;
  background: radial-gradient(circle, #2563eb 0%, transparent 70%);
  animation: drift-a 22s ease-in-out infinite alternate;
}
.glow.b {
  width: 560px;
  height: 560px;
  right: -160px;
  top: 80px;
  background: radial-gradient(circle, #7ea2f4 0%, transparent 70%);
  opacity: 0.32;
  animation: drift-b 28s ease-in-out infinite alternate;
}
.glow.c {
  width: 700px;
  height: 700px;
  left: 30%;
  top: 900px;
  background: radial-gradient(circle, #1d4ed8 0%, transparent 70%);
  opacity: 0.22;
}
@keyframes drift-a {
  to {
    transform: translate(120px, 80px) scale(1.12);
  }
}
@keyframes drift-b {
  to {
    transform: translate(-100px, 60px) scale(0.92);
  }
}

/* ───── 顶栏 ───── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.01em;
}
.brand img {
  width: 30px;
  height: 30px;
}
.nav-links {
  display: flex;
  gap: 20px;
  margin-right: auto;
  font-size: 14.5px;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s;
}
.nav-links a:hover {
  color: #fff;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.langs {
  display: flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.langs button {
  all: unset;
  cursor: pointer;
  padding: 3px 10px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  border-radius: 999px;
  transition:
    background 0.2s,
    color 0.2s;
}
.langs button:hover {
  color: #fff;
}
.langs button[aria-pressed='true'] {
  background: var(--brand);
  color: #fff;
}
.langs button:focus-visible {
  outline: 2px solid var(--brand-2);
}

/* ───── 按钮 ───── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.18s,
    box-shadow 0.25s,
    background 0.2s,
    border-color 0.2s;
}
.btn.primary {
  background: linear-gradient(135deg, #3b74f5, #2563eb 60%, #1d4ed8);
  color: #fff;
  box-shadow:
    0 8px 28px -8px rgba(37, 99, 235, 0.8),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 36px -8px rgba(59, 116, 245, 0.95),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn.ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--text);
}
.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--line-hi);
}
.btn.sm {
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 10px;
}
.btn[disabled] {
  opacity: 0.6;
  cursor: progress;
  transform: none;
}

/* ───── 首屏 ───── */
.hero {
  padding: 84px 0 0;
  text-align: center;
  position: relative;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--brand-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.eyebrow i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: ping 2.2s infinite;
}
@keyframes ping {
  70% {
    box-shadow: 0 0 0 9px rgba(52, 211, 153, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}
.hero h1 {
  margin: 22px auto 0;
  max-width: 17ch;
  font-size: clamp(38px, 6.4vw, 78px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #fff 30%, #a9c1ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
html[lang='zh'] .hero h1 {
  max-width: 12em;
  letter-spacing: 0;
}
.hero .sub {
  margin: 22px auto 0;
  max-width: 640px;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 19px);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

/* 包裹流 */
.flow {
  position: relative;
  margin-top: 40px;
  height: 320px;
}
.flow canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hub {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 76px;
  height: 76px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.35), rgba(15, 26, 46, 0.9));
  border: 1px solid var(--line-hi);
  box-shadow:
    0 0 60px rgba(37, 99, 235, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.hub img {
  width: 44px;
  height: 44px;
}
.hub::before,
.hub::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 22px;
  border: 1px solid var(--brand-2);
  opacity: 0;
  animation: ring 3.2s ease-out infinite;
}
.hub::after {
  animation-delay: 1.6s;
}
@keyframes ring {
  0% {
    opacity: 0.7;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.9);
  }
}
.stage {
  position: absolute;
  bottom: 0;
  transform: translateX(-50%);
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 18, 32, 0.8);
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.stage.in {
  left: 14%;
}
.stage.mid {
  left: 50%;
  bottom: auto;
  top: calc(50% + 52px);
  color: var(--brand-2);
  border-color: var(--line-hi);
}
.stage.out {
  left: 86%;
}

/* ───── 数字条 ───── */
.stats {
  margin-top: 56px;
}
.stats .nums {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  overflow: hidden;
}
.stats li {
  padding: 26px 24px;
  border-left: 1px solid var(--line);
}
.stats li:first-child {
  border-left: 0;
}
.stats b {
  display: block;
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, #fff, var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}
.chips {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.chips li {
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.03);
}

/* ───── 通用区块 ───── */
section {
  padding: 104px 0 0;
}
.head {
  max-width: 720px;
}
.head .kicker {
  color: var(--brand-2);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.head h2 {
  text-wrap: balance;
  margin-top: 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.head p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

/* 进场 */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--d, 0s);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
html:not(.js) .reveal {
  opacity: 1;
  transform: none;
}

/* ───── 模块卡片 ───── */
.grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  perspective: 1200px;
}
.card {
  --mx: 50%;
  --my: 0%;
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  overflow: hidden;
  transform-style: preserve-3d;
  transition:
    border-color 0.25s,
    box-shadow 0.25s;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    420px circle at var(--mx) var(--my),
    rgba(126, 162, 244, 0.2),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.card:hover {
  border-color: var(--line-hi);
  box-shadow: 0 30px 60px -30px rgba(37, 99, 235, 0.55);
}
.card:hover::before {
  opacity: 1;
}
.card.wide {
  grid-column: span 2;
}
.card .logo {
  height: 38px;
  width: auto;
}
.card .pda-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  font-weight: 800;
  font-size: 22px;
}
.card .pda-logo img {
  width: 34px;
  height: 34px;
}
.card .pda-logo span {
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.06em;
  font-weight: 600;
  font-size: 20px;
}
.card h3 {
  margin-top: 18px;
  font-size: 19px;
  line-height: 1.3;
  font-weight: 700;
}
.card ul {
  margin-top: 14px;
  display: grid;
  gap: 9px;
}
.card.wide ul {
  grid-template-columns: 1fr 1fr;
  column-gap: 28px;
}
.card li {
  position: relative;
  padding-left: 20px;
  color: #c3cde0;
  font-size: 14.5px;
}
.card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  transform: rotate(45deg) scale(0.8);
}

/* ───── 业务流程 ───── */
.steps {
  list-style: none;
  padding: 0;
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
}
.step {
  position: relative;
  text-align: center;
  padding: 0 8px;
}
.step .dot {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: 20px;
  border: 1px solid var(--line-hi);
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.3), var(--bg-2));
  box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.6);
}
.step .dot svg {
  width: 28px;
  height: 28px;
  stroke: #cfe0ff;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.step::before {
  content: '';
  position: absolute;
  top: 31px;
  left: calc(-50% + 32px);
  width: calc(100% - 64px);
  height: 2px;
  background:
    linear-gradient(90deg, transparent, var(--brand-2), transparent) 0 0 / 200% 100%,
    rgba(255, 255, 255, 0.08);
  animation: run 2.6s linear infinite;
  animation-delay: calc(var(--i) * 0.4s);
}
.step:first-child::before {
  display: none;
}
@keyframes run {
  to {
    background-position: -200% 0;
  }
}
.step b {
  display: block;
  margin-top: 16px;
  font-size: 16px;
}
.step span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13.5px;
}
.step em {
  display: block;
  margin-top: 8px;
  font-style: normal;
  color: var(--brand-2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* ───── 为什么 ───── */
.why {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.why .card {
  padding: 30px;
}
.why .ico {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.4), rgba(126, 162, 244, 0.15));
  border: 1px solid var(--line-hi);
}
.why .ico svg {
  width: 24px;
  height: 24px;
  stroke: #dbe7ff;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.why p {
  margin-top: 10px;
  color: #b7c3d9;
  font-size: 15px;
}

.why.fx .card {
  padding: 26px 28px;
}
.why.fx .ico {
  margin-bottom: 14px;
}
.card .dl {
  margin-top: 16px;
}
.why.fx-one {
  margin-top: 18px;
  grid-template-columns: 1fr;
}
.card.fx-hl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  padding: 30px 34px;
  border-color: var(--brand-2);
  box-shadow:
    0 0 0 1px rgba(126, 162, 244, 0.25),
    0 0 36px rgba(37, 99, 235, 0.28);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(126, 162, 244, 0.04));
  animation: fx-glow 4.5s ease-in-out infinite;
}
.card.fx-hl .ico {
  width: 64px;
  height: 64px;
  margin: 0;
}
.card.fx-hl .ico svg {
  width: 34px;
  height: 34px;
}
.card.fx-hl h3 {
  font-size: 20px;
}
@keyframes fx-glow {
  50% {
    box-shadow:
      0 0 0 1px rgba(126, 162, 244, 0.45),
      0 0 52px rgba(37, 99, 235, 0.4);
  }
}
@media (max-width: 600px) {
  .card.fx-hl {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 22px;
  }
}

.why.tr-two {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.why.tr-two .card {
  padding: 28px 30px;
}
.why.tr-two .ico {
  margin-bottom: 14px;
}
.tr-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.tr-list li {
  position: relative;
  padding-left: 18px;
  color: #b7c3d9;
  font-size: 15px;
  overflow-wrap: anywhere;
}
.tr-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-2);
}
.tr-cta {
  margin-top: 16px;
}
@media (max-width: 980px) {
  .why.tr-two {
    grid-template-columns: 1fr;
  }
}

.card .note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-hi);
  color: #9db6f0;
  font-size: 13px;
  font-weight: 600;
}

/* ───── 申请试用 ───── */
.trial-box {
  margin-top: 8px;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: start;
  padding: 44px;
  border: 1px solid var(--line-hi);
  border-radius: 26px;
  background:
    radial-gradient(900px circle at 0% 0%, rgba(37, 99, 235, 0.22), transparent 55%),
    linear-gradient(180deg, var(--card-hi), var(--card));
}
.trial-box .head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
}
.points {
  margin-top: 26px;
  display: grid;
  gap: 12px;
  color: #c3cde0;
  font-size: 15px;
}
.points li {
  padding-left: 28px;
  position: relative;
}
.points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.18);
  border: 1px solid rgba(52, 211, 153, 0.6);
}
.points li::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 0.62em;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--ok);
  border-bottom: 2px solid var(--ok);
  transform: rotate(-45deg);
}
form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.field.full {
  grid-column: 1 / -1;
}
label,
legend {
  font-size: 13px;
  font-weight: 600;
  color: #b7c3d9;
}
label em,
legend em {
  color: var(--brand-2);
  font-style: normal;
}
input[type='text'],
input[type='email'],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(8, 13, 24, 0.7);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #94a3bd 50%),
    linear-gradient(135deg, #94a3bd 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 15px) 50%;
  background-size:
    5px 5px,
    5px 5px;
  background-repeat: no-repeat;
  padding-right: 38px;
}
textarea {
  min-height: 96px;
  resize: vertical;
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand-2);
  box-shadow: 0 0 0 3px rgba(126, 162, 244, 0.22);
}
fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}
.checks {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chk {
  position: relative;
}
.chk input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}
.chk span {
  display: block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: #c3cde0;
  font-size: 14px;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s;
}
.chk input:checked + span {
  background: rgba(37, 99, 235, 0.35);
  border-color: var(--brand-2);
  color: #fff;
}
.chk input:focus-visible + span {
  outline: 2px solid var(--brand-2);
  outline-offset: 2px;
}
.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400;
  color: var(--muted);
  font-size: 13.5px;
}
.consent input {
  margin-top: 4px;
  accent-color: var(--brand);
  width: 16px;
  height: 16px;
  flex: none;
}
.consent a {
  color: var(--brand-2);
}
.hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.msg {
  grid-column: 1 / -1;
  min-height: 1.4em;
  font-size: 14px;
  color: var(--warn);
}
.done {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 16px;
}
.done.show {
  display: block;
  animation: pop 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
.done .tick {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.6);
}
.done .tick svg {
  width: 30px;
  height: 30px;
  stroke: var(--ok);
  fill: none;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.done h3 {
  font-size: 22px;
}
.done p {
  margin-top: 8px;
  color: var(--muted);
}
@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
}
form.sent > :not(.done) {
  display: none;
}

/* ───── 页脚 ───── */
footer {
  margin-top: 110px;
  border-top: 1px solid var(--line);
  padding: 36px 0 44px;
  color: var(--muted);
  font-size: 14px;
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
}
footer .brand {
  font-size: 16px;
  color: var(--text);
}
footer .brand img {
  width: 24px;
  height: 24px;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-left: auto;
}
footer a {
  text-decoration: none;
}
footer a:hover {
  color: #fff;
}

/* ───── 法律页 ───── */
.legal {
  padding: 56px 0 0;
  max-width: 820px;
}
.legal h1 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
}
.legal h2 {
  margin-top: 36px;
  font-size: 20px;
}
.legal h3 {
  margin-top: 20px;
  font-size: 16px;
  color: #cfdaf0;
}
.legal p,
.legal li {
  margin-top: 10px;
  color: #b7c3d9;
  font-size: 15px;
}
.legal ul {
  list-style: disc;
  padding-left: 22px;
}
.legal .en {
  margin-top: 48px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.legal .note {
  margin-top: 18px;
  padding: 12px 16px;
  border: 1px dashed rgba(251, 191, 36, 0.65);
  border-radius: 12px;
  color: #fde68a;
  font-size: 14px;
}
.legal a {
  color: var(--brand-2);
}

/* ───── 响应式 ───── */
@media (max-width: 1140px) {
  .nav-links {
    display: none;
  }
  .nav-right {
    margin-left: auto;
  }
}
@media (max-width: 980px) {
  .nav-links {
    display: none;
  }
  .nav .wrap {
    gap: 14px;
  }
  .nav-right {
    margin-left: auto;
  }
  .grid {
    grid-template-columns: 1fr 1fr;
  }
  .card.wide {
    grid-column: 1 / -1;
  }
  .why {
    grid-template-columns: 1fr;
  }
  .why.fx {
    grid-template-columns: 1fr 1fr;
  }
  .trial-box {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 30px;
  }
  .steps {
    grid-template-columns: 1fr 1fr 1fr;
    row-gap: 36px;
  }
  .step:nth-child(4)::before {
    display: none;
  }
}
@media (max-width: 640px) {
  section {
    padding-top: 76px;
  }
  .hero {
    padding-top: 56px;
  }
  .flow {
    height: 240px;
  }
  .hub {
    width: 60px;
    height: 60px;
    border-radius: 18px;
  }
  .hub img {
    width: 34px;
    height: 34px;
  }
  .stage {
    font-size: 11px;
    padding: 3px 9px;
  }
  .stage.mid {
    top: calc(50% + 42px);
  }
  .nav .btn.sm {
    display: none;
  }
  .stats .nums {
    grid-template-columns: 1fr 1fr;
  }
  .stats li:nth-child(3) {
    border-left: 0;
  }
  .stats li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
  .stats li {
    padding: 20px 18px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .card.wide ul {
    grid-template-columns: 1fr;
  }
  .why.fx {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .step:nth-child(4)::before {
    display: block;
  }
  .step:nth-child(odd)::before {
    display: none;
  }
  form {
    grid-template-columns: 1fr;
  }
  .trial-box {
    padding: 22px;
    border-radius: 20px;
  }
  footer nav {
    margin-left: 0;
    width: 100%;
  }
}

/* ───── 减少动态效果 ───── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}