:root {
  --bg: #f5eee6;
  --bg-deep: #efe4d8;
  --surface: rgba(255, 251, 246, 0.72);
  --surface-strong: rgba(255, 251, 246, 0.9);
  --surface-soft: rgba(255, 255, 255, 0.46);
  --line: rgba(25, 23, 28, 0.12);
  --line-strong: rgba(25, 23, 28, 0.22);
  --ink: #18161b;
  --muted: #625c66;
  --accent: #0f6d64;
  --accent-strong: #08574f;
  --accent-soft: #d8f0ea;
  --signal: #df7d48;
  --signal-soft: #fde0d0;
  --shadow: 0 24px 80px rgba(56, 36, 20, 0.12);
  --shadow-soft: 0 14px 40px rgba(56, 36, 20, 0.08);
  --radius-2xl: 36px;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --content-width: 1200px;
  --font-sans: "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", sans-serif;
  --font-serif: "Source Han Serif SC", "Songti SC", "STSong", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(223, 125, 72, 0.16), transparent 26%),
    radial-gradient(circle at 84% 12%, rgba(15, 109, 100, 0.18), transparent 24%),
    linear-gradient(180deg, #fbf7f2 0%, #f5eee6 36%, #ede3d7 100%);
}

body.page-ready {
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
blockquote {
  margin: 0;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.04em;
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.noise-layer,
.halo {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.noise-layer {
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(24, 22, 27, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 22, 27, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 86%);
}

.halo-left {
  top: 4%;
  left: -12%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(223, 125, 72, 0.22), transparent 70%);
}

.halo-right {
  inset: auto;
  right: -8%;
  bottom: 12%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(15, 109, 100, 0.2), transparent 72%);
}

.site-header,
.site-main,
.site-footer {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 12px;
  z-index: 100;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.24)),
    linear-gradient(135deg, var(--signal), var(--accent));
  box-shadow:
    0 10px 22px rgba(223, 125, 72, 0.18),
    0 0 0 8px rgba(255, 255, 255, 0.28);
  transform: rotate(12deg);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 999px;
  background: rgba(255, 251, 246, 0.58);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 34px rgba(52, 40, 29, 0.06);
}

.site-nav a,
.footer-links a,
.footer-mini-links a {
  position: relative;
  color: var(--muted);
  transition: color 220ms ease;
}

.site-nav a::after,
.footer-links a::after,
.footer-mini-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.footer-links a:hover::after,
.footer-links a:focus-visible::after,
.footer-mini-links a:hover::after,
.footer-mini-links a:focus-visible::after {
  transform: scaleX(1);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible,
.footer-mini-links a:hover,
.footer-mini-links a:focus-visible {
  color: var(--ink);
}

.nav-active {
  color: var(--ink) !important;
  font-weight: 700;
}

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

/* 控制台快捷入口（头像左侧）：悬浮展开与控制台一致的前四个面板 */
.dash-quick {
  position: relative;
  isolation: isolate;
}

.dash-quick-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 14px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(255, 251, 246, 0.5)),
    rgba(216, 240, 234, 0.35);
  color: var(--accent-strong);
  box-shadow: 0 10px 28px rgba(52, 40, 29, 0.08);
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease,
    background-color 200ms ease;
}

.dash-quick-btn:hover,
.dash-quick-btn:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 109, 100, 0.28);
  box-shadow: 0 14px 36px rgba(15, 109, 100, 0.12);
  outline: none;
}

.dash-quick-btn__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.dash-quick-menu {
  position: absolute;
  right: 0;
  top: calc(100% - 6px);
  min-width: 200px;
  padding: 18px 8px 8px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 242, 0.94));
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity 200ms ease,
    transform 200ms ease,
    visibility 200ms ease;
  z-index: 200;
}

.dash-quick:focus-within:not(.dash-quick--force-close) .dash-quick-menu,
.dash-quick.dash-quick--open:not(.dash-quick--force-close) .dash-quick-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dash-quick-item {
  display: block;
  padding: 11px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease;
}

.dash-quick-item:hover,
.dash-quick-item:focus-visible {
  color: var(--ink);
  background: rgba(216, 240, 234, 0.5);
  outline: none;
}

.user-menu {
  position: relative;
  isolation: isolate;
}

.user-menu:has(.user-menu-item.nav-active) .user-avatar-btn {
  border-color: rgba(15, 109, 100, 0.38);
  box-shadow:
    0 0 0 3px rgba(216, 240, 234, 0.85),
    0 10px 28px rgba(52, 40, 29, 0.08);
}

.user-avatar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(255, 251, 246, 0.5)),
    rgba(216, 240, 234, 0.35);
  color: var(--accent-strong);
  box-shadow: 0 10px 28px rgba(52, 40, 29, 0.08);
  cursor: pointer;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease,
    background-color 200ms ease;
}

.user-avatar-btn:hover,
.user-avatar-btn:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 109, 100, 0.28);
  box-shadow: 0 14px 36px rgba(15, 109, 100, 0.12);
  outline: none;
}

.user-avatar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.user-menu-dropdown {
  position: absolute;
  right: 0;
  /* 与按钮略重叠，减少从圆头像移入菜单时的「真空带」 */
  top: calc(100% - 8px);
  min-width: 196px;
  padding: 20px 8px 8px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 242, 0.94));
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity 200ms ease,
    transform 200ms ease,
    visibility 200ms ease;
  z-index: 200;
}

.user-menu:focus-within:not(.user-menu--force-close) .user-menu-dropdown,
.user-menu.user-menu--open:not(.user-menu--force-close) .user-menu-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.user-menu-item {
  display: block;
  padding: 11px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  transition: background-color 180ms ease, color 180ms ease;
}

.user-menu-item:hover,
.user-menu-item:focus-visible {
  color: var(--ink);
  background: rgba(216, 240, 234, 0.5);
  outline: none;
}

.user-menu-item.nav-active {
  color: var(--ink) !important;
  font-weight: 700;
  background: rgba(216, 240, 234, 0.85);
}

.site-main {
  padding: 24px 0 88px;
}

.page-hero {
  margin-top: 24px;
}

.eyebrow,
.section-kicker,
.pill,
.card-tag,
.timeline-step,
.metric-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section {
  margin-top: 34px;
  padding-top: 28px;
}

.section-heading {
  display: grid;
  gap: 14px;
}

.split-heading {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  align-items: end;
}

.section-heading h1,
.section-heading h2 {
  font-size: clamp(2.6rem, 5vw, 5.1rem);
}

.section-heading h2 {
  font-size: clamp(2.3rem, 4vw, 4rem);
}

.lede,
.section-text,
.card-copy,
.body-copy,
.footer-note,
.footer-brand p,
.metric-copy,
.table-note {
  color: var(--muted);
  line-height: 1.82;
  font-size: 1rem;
}

.lede {
  font-size: 1.06rem;
}

.glass-card,
.outline-card,
.quote-card,
.form-shell,
.cta-panel,
.comparison-wrap,
.footer-shell {
  border: 1px solid rgba(255, 255, 255, 0.62);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 249, 242, 0.58)),
    var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.glass-card,
.outline-card,
.quote-card {
  border-radius: var(--radius-xl);
}

.outline-card {
  border-color: rgba(25, 23, 28, 0.08);
  box-shadow: var(--shadow-soft);
}

.card-pad-lg {
  padding: 30px;
}

.card-pad-md {
  padding: 24px;
}

.tag-row,
.pill-row,
.button-row,
.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.grid-two,
.grid-three,
.grid-four {
  display: grid;
  gap: 18px;
}

.grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.button-row {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.97rem;
  font-weight: 700;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease,
    box-shadow 220ms ease,
    color 220ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--ink), #2d2730);
  color: #fff7f1;
  box-shadow: 0 18px 34px rgba(24, 22, 27, 0.16);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 22px 42px rgba(24, 22, 27, 0.22);
}

.button-secondary {
  color: var(--ink);
  border-color: rgba(24, 22, 27, 0.12);
  background: rgba(255, 251, 246, 0.62);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(24, 22, 27, 0.22);
  background: rgba(255, 255, 255, 0.82);
}

.button-ghost {
  color: var(--accent);
  border-color: rgba(15, 109, 100, 0.16);
  background: rgba(216, 240, 234, 0.54);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: rgba(15, 109, 100, 0.28);
  background: rgba(216, 240, 234, 0.84);
}

.pill {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(216, 240, 234, 0.72);
}

.stats-inline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.stats-inline div {
  padding: 18px 18px 0;
  border-top: 1px solid var(--line);
}

.stats-inline strong {
  display: block;
  font-size: 1.56rem;
  font-weight: 700;
}

.stats-inline span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.92rem;
}

.list-check,
.feature-list,
.plain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-check {
  display: grid;
  gap: 12px;
}

.list-check li {
  display: flex;
  gap: 10px;
  color: var(--muted);
  line-height: 1.72;
}

.list-check li::before {
  content: "";
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(15, 109, 100, 0.1);
}

.list-check li::after {
  content: "";
  position: absolute;
}

.list-check strong,
.feature-list strong {
  color: var(--ink);
}

.list-check li {
  position: relative;
  padding-left: 0;
}

.list-check li span {
  display: inline;
}

.list-check li::before {
  background-image: linear-gradient(135deg, rgba(15, 109, 100, 0.16), rgba(15, 109, 100, 0.06));
}

.list-check li .copy {
  flex: 1;
}

.list-check li svg {
  display: none;
}

.list-check li::marker {
  content: "";
}

.list-check li::after {
  top: 10px;
  left: 7px;
  width: 7px;
  height: 4px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.metric-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 700;
}

.metric-caption {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.92rem;
}

.quote-card blockquote {
  font-family: var(--font-serif);
  font-size: 1.42rem;
  line-height: 1.5;
}

.quote-card footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 34px;
  border-radius: var(--radius-2xl);
  align-items: end;
}

.cta-panel p {
  max-width: 42rem;
  margin-top: 16px;
}

.site-footer {
  padding-bottom: 40px;
}

.footer-shell {
  padding: 28px 30px;
  border-radius: var(--radius-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 0.8fr));
  gap: 22px;
}

.footer-brand {
  display: grid;
  gap: 14px;
}

.footer-brand p {
  max-width: 28rem;
}

.footer-links,
.footer-mini-links {
  display: grid;
  gap: 10px;
}

.footer-col h3 {
  margin-bottom: 12px;
  font-size: 1.12rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.section-reveal {
  animation: rise-in 760ms ease both;
}

.delay-1 {
  animation-delay: 80ms;
}

.delay-2 {
  animation-delay: 160ms;
}

.delay-3 {
  animation-delay: 240ms;
}

.delay-4 {
  animation-delay: 320ms;
}

.delay-5 {
  animation-delay: 400ms;
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  font-family: var(--font-serif);
  font-size: 1rem;
}

tbody tr:last-child td {
  border-bottom: none;
}

details summary {
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

.form-shell {
  padding: 28px;
  border-radius: var(--radius-2xl);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--ink);
  font-weight: 700;
  font-size: 0.94rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(24, 22, 27, 0.12);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(15, 109, 100, 0.32);
  box-shadow: 0 0 0 4px rgba(216, 240, 234, 0.72);
}

.field textarea {
  min-height: 148px;
  resize: vertical;
}

.field-hint,
.status-note {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.success-box {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(216, 240, 234, 0.72);
  color: var(--accent-strong);
  border: 1px solid rgba(15, 109, 100, 0.16);
}

.hidden {
  display: none !important;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .grid-four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-three,
  .grid-two,
  .cta-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .site-header,
  .site-main,
  .site-footer {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav-wrap {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    align-self: flex-end;
  }

  .site-nav {
    border-radius: 26px;
  }

  .stats-inline,
  .grid-three,
  .grid-four,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel,
  .form-shell,
  .footer-shell {
    padding: 24px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .button {
    width: 100%;
  }

  .site-nav {
    gap: 14px 18px;
    padding: 14px 16px;
  }

  .card-pad-lg,
  .card-pad-md {
    padding: 22px;
  }

  .metric-number {
    font-size: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .section-reveal,
  .button,
  .site-nav a::after,
  .footer-links a::after,
  .footer-mini-links a::after,
  .user-menu-dropdown,
  .user-avatar-btn,
  .dash-quick-menu,
  .dash-quick-btn {
    animation: none;
    transition: none;
  }
}