:root {
  color-scheme: light dark;

  --canvas-0: #f7f8f6;
  --canvas-1: #eef1ef;
  --canvas-2: #fffdf8;

  --ink-900: #171d21;
  --ink-650: #667075;
  --ink-450: #9aa3a6;

  --glass-1: rgba(255, 255, 255, .70);
  --glass-2: rgba(255, 255, 255, .52);
  --glass-3: rgba(255, 255, 255, .36);
  --line-glass: rgba(255, 255, 255, .76);
  --line-soft: rgba(23, 29, 33, .095);

  --accent-core: #171d21;
  --accent-auth: #286f86;
  --accent-direct: #b56d3f;
  --accent-recovery: #6d7f59;
  --accent-risk: #a65445;
  --accent-preview: #746f8f;
  --accent-knowledge: #4f7880;

  --shadow-panel: 0 22px 60px rgba(58, 72, 78, .095), inset 0 1px 0 rgba(255, 255, 255, .66);
  --shadow-card: 0 12px 32px rgba(58, 72, 78, .065), inset 0 1px 0 rgba(255, 255, 255, .64);
  --shadow-hover: 0 22px 58px rgba(48, 64, 72, .125), inset 0 1px 0 rgba(255, 255, 255, .76);

  --mono: "IBM Plex Mono", "SF Mono", "Cascadia Code", ui-monospace, monospace;
  --sans: "Aptos", "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink-900);
  font-family: var(--sans);
  background:
    radial-gradient(circle at 18% 8%, rgba(40, 111, 134, .13), transparent 31rem),
    radial-gradient(circle at 86% 16%, rgba(181, 109, 63, .075), transparent 29rem),
    radial-gradient(circle at 50% 104%, rgba(116, 111, 143, .065), transparent 30rem),
    linear-gradient(135deg, var(--canvas-0) 0%, var(--canvas-1) 52%, var(--canvas-2) 100%);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(35, 45, 50, .028) 1px, transparent 1px),
    linear-gradient(rgba(35, 45, 50, .024) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .58), rgba(0, 0, 0, .16) 58%, transparent);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .045;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.74' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

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

[hidden] {
  display: none !important;
}

.page {
  position: relative;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 58px;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(210px, 260px) minmax(220px, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line-glass);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--glass-1), rgba(255, 255, 255, .36));
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(28px) saturate(1.35);
}

.theme-toggle {
  display: inline-grid;
  height: 48px;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, .76);
  border-radius: 999px;
  background: rgba(255, 255, 255, .38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .70), 0 10px 28px rgba(48, 64, 72, .065);
  color: var(--ink-900);
  cursor: pointer;
  font: 850 .72rem/1 var(--mono);
  letter-spacing: .04em;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, .88);
  background: rgba(255, 255, 255, .52);
  box-shadow: 0 16px 42px rgba(40, 111, 134, .13), inset 0 1px 0 rgba(255, 255, 255, .82);
}

.theme-toggle:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-auth) 42%, transparent);
  outline-offset: 3px;
}

.theme-icon {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-core);
  color: var(--canvas-2);
  font: 900 .82rem/1 var(--sans);
}

.theme-text {
  text-transform: uppercase;
}

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #232a2e, #0f1417);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 12px 30px rgba(29, 35, 39, .16);
  color: #fff;
  font: 900 1.05rem/1 var(--sans);
  letter-spacing: -.08em;
}

.brand-copy b {
  display: block;
  font-size: 1rem;
  letter-spacing: -.04em;
}

.brand-copy small {
  display: block;
  margin-top: 3px;
  color: var(--ink-650);
  font: 800 .66rem/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.search {
  display: grid;
  height: 48px;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: 999px;
  background: rgba(255, 255, 255, .40);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72), 0 10px 30px rgba(48, 64, 72, .07);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.search:focus-within {
  transform: scale(1.01);
  border-color: rgba(47, 111, 138, .38);
  background: rgba(255, 255, 255, .58);
  box-shadow: 0 20px 70px rgba(47, 111, 138, .16), inset 0 1px 0 rgba(255, 255, 255, .82);
}

.shortcut {
  display: grid;
  width: 40px;
  height: 28px;
  place-items: center;
  border-radius: 999px;
  background: rgba(31, 37, 40, .88);
  color: #fff;
  font: 850 .72rem/1 var(--mono);
}

.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink-900);
  font: 720 .96rem/1 var(--sans);
}

.search input::placeholder {
  color: var(--ink-450);
}

.timebox {
  display: grid;
  justify-items: end;
}

.timebox b {
  color: var(--accent-auth);
  font: 900 1rem/1 var(--mono);
}

.timebox small {
  margin-top: 4px;
  color: var(--ink-650);
  font: 800 .62rem/1 var(--mono);
}


.section {
  position: relative;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--line-glass);
  border-radius: 32px;
  background: var(--glass-2);
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(20px) saturate(1.18);
  overflow: hidden;
}

.section::before {
  content: "";
  position: absolute;
  inset: 1px;
  padding: 1px;
  border-radius: 31px;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(255, 255, 255, .44), transparent 24%, transparent 78%, rgba(255, 255, 255, .14));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
}

.section-head {
  position: relative;
  z-index: 1;
  margin-bottom: 14px;
}

.section-head h2 {
  margin: 0;
  font-size: 1.42rem;
  letter-spacing: -.06em;
}

.section-head h2::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 10px;
  border-radius: 50%;
  background: var(--accent-auth);
  vertical-align: middle;
  opacity: .72;
}

.primary-grid,
.service-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.primary-grid {
  grid-template-columns: 1.18fr .88fr .88fr;
  grid-auto-rows: 164px;
}

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

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

.card {
  position: relative;
  display: grid;
  min-width: 0;
  align-items: center;
  gap: 14px;
  padding: 17px;
  border: 1px solid var(--line-glass);
  border-radius: 24px;
  background: var(--glass-3);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: auto -12% -55% 34%;
  height: 130px;
  border-radius: 999px;
  background: rgba(47, 111, 138, .04);
  filter: blur(2px);
  transform: rotate(-8deg);
}

.card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 16px;
  left: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .78), transparent);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, .88);
  background: rgba(255, 255, 255, .42);
  box-shadow: var(--shadow-hover);
}

.card.size-hero {
  grid-row: span 2;
  grid-template-columns: 1fr;
  align-content: end;
  background: linear-gradient(145deg, rgba(255, 255, 255, .66), rgba(255, 255, 255, .30));
}

.card.size-standard {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.card.size-compact {
  grid-template-columns: 1fr;
}

.card.size-hero .icon {
  width: 74px;
  height: 74px;
}

.card.size-hero strong {
  font-size: 1.5rem;
}

.card.size-hero .arrow,
.card.size-compact .arrow {
  position: absolute;
  top: 16px;
  right: 16px;
}

.icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--line-glass);
  border-radius: 17px;
  background: rgba(255, 255, 255, .46);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .70), 0 12px 28px rgba(45, 55, 60, .08);
  overflow: hidden;
}

.icon img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

.card-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.line {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.line strong {
  display: block;
  overflow: hidden;
  font-size: 1.06rem;
  letter-spacing: -.045em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge {
  display: inline-flex;
  height: 22px;
  align-items: center;
  padding: 0 8px;
  border: 1px solid color-mix(in srgb, currentColor 28%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, currentColor 10%, transparent);
  font: 900 .58rem/1 var(--mono);
  font-style: normal;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.badge.core { color: var(--accent-core); }
.badge.auth { color: var(--accent-auth); }
.badge.direct { color: var(--accent-direct); }
.badge.recovery { color: var(--accent-recovery); }
.badge.high-risk { color: var(--accent-risk); }
.badge.preview { color: var(--accent-preview); }
.badge.knowledge { color: var(--accent-knowledge); }

.desc {
  display: block;
  margin-top: 7px;
  overflow: hidden;
  color: var(--ink-650);
  font-size: .9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.domain {
  display: block;
  margin-top: 10px;
  overflow: hidden;
  color: var(--ink-450);
  font: 850 .7rem/1 var(--mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arrow {
  position: relative;
  z-index: 1;
  color: var(--accent-auth);
  font: 900 1rem/1 var(--mono);
  transition: transform .18s ease;
}

.card:hover .arrow {
  transform: translate(2px, -2px);
}

.global-empty {
  margin-top: 16px;
  padding: 24px;
  border: 1px dashed var(--line-soft);
  border-radius: 22px;
  background: rgba(255, 255, 255, .28);
  color: var(--ink-650);
  font: 800 .78rem/1.4 var(--mono);
  text-align: center;
  text-transform: uppercase;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.topbar,
.section,
.global-empty {
  animation: riseIn .48s ease both;
}

.section:nth-of-type(1) { animation-delay: .06s; }
.section:nth-of-type(2) { animation-delay: .11s; }
.section:nth-of-type(3) { animation-delay: .16s; }

@media (max-width: 980px) {
  .topbar { grid-template-columns: 1fr; }
  .timebox { display: none; }
  .primary-grid,
  .service-grid,
  .compact-grid { grid-template-columns: 1fr 1fr; }
  .card.size-hero { grid-row: auto; grid-template-columns: auto minmax(0, 1fr) auto; }
  .card.size-hero .icon { width: 48px; height: 48px; }
  .card.size-hero strong { font-size: 1.06rem; }
  .card.size-hero .arrow,
  .card.size-compact .arrow { position: relative; top: auto; right: auto; }
}

@media (max-width: 620px) {
  .page { width: min(100% - 20px, 1240px); padding-top: 10px; }
  .topbar { position: relative; top: auto; border-radius: 26px; }
  .shortcut { display: none; }
  .search { grid-template-columns: 1fr; }
  .section { padding: 14px; border-radius: 26px; }
  .section::before { border-radius: 25px; }
  .section-head h2 { font-size: 1.28rem; }
  .primary-grid,
  .service-grid,
  .compact-grid { grid-template-columns: 1fr; }
  .card,
  .card.size-hero,
  .card.size-standard,
  .card.size-compact { grid-template-columns: auto minmax(0, 1fr) auto; padding: 15px; border-radius: 20px; }
  .card.size-hero .arrow,
  .card.size-compact .arrow { position: relative; top: auto; right: auto; }
  .icon { width: 44px; height: 44px; }
}

html[data-theme="dark"] {
  --canvas-0: #0d1113;
  --canvas-1: #14191c;
  --canvas-2: #101416;

  --ink-900: #eef3f2;
  --ink-650: #a7b0ae;
  --ink-450: #737d7c;

  --glass-1: rgba(31, 36, 39, .68);
  --glass-2: rgba(26, 31, 34, .54);
  --glass-3: rgba(255, 255, 255, .06);
  --line-glass: rgba(255, 255, 255, .12);
  --line-soft: rgba(255, 255, 255, .085);

  --accent-core: #eef3f2;
  --accent-auth: #8ab6c4;
  --accent-direct: #d5966e;
  --accent-recovery: #a9ba8b;
  --accent-risk: #dc8272;
  --accent-preview: #aaa0ca;
  --accent-knowledge: #8bb7b9;

  --shadow-panel: 0 28px 82px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255, 255, 255, .09);
  --shadow-card: 0 18px 48px rgba(0, 0, 0, .26), inset 0 1px 0 rgba(255, 255, 255, .08);
  --shadow-hover: 0 30px 90px rgba(0, 0, 0, .38), inset 0 1px 0 rgba(255, 255, 255, .12);
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 18% 8%, rgba(138, 182, 196, .115), transparent 32rem),
    radial-gradient(circle at 84% 18%, rgba(213, 150, 110, .075), transparent 30rem),
    radial-gradient(circle at 48% 108%, rgba(170, 160, 202, .055), transparent 28rem),
    linear-gradient(135deg, var(--canvas-0) 0%, var(--canvas-1) 52%, var(--canvas-2) 100%);
}

html[data-theme="dark"] body::after {
  opacity: .055;
  mix-blend-mode: screen;
}

html[data-theme="dark"] .brand-mark,
html[data-theme="dark"] .shortcut,
html[data-theme="dark"] .theme-icon {
  background: #edf3f2;
  color: #101315;
}

html[data-theme="dark"] .card:hover {
  background: rgba(255, 255, 255, .085);
}

html[data-theme="light"] body {
  background:
    radial-gradient(circle at 18% 8%, rgba(40, 111, 134, .13), transparent 31rem),
    radial-gradient(circle at 86% 16%, rgba(181, 109, 63, .075), transparent 29rem),
    radial-gradient(circle at 50% 104%, rgba(116, 111, 143, .065), transparent 30rem),
    linear-gradient(135deg, var(--canvas-0) 0%, var(--canvas-1) 52%, var(--canvas-2) 100%);
}

html[data-theme="light"] body::after {
  opacity: .045;
  mix-blend-mode: multiply;
}

html[data-theme="light"] .brand-mark,
html[data-theme="light"] .shortcut,
html[data-theme="light"] .theme-icon {
  background: var(--accent-core);
  color: var(--canvas-2);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --canvas-0: #0d1113;
    --canvas-1: #14191c;
    --canvas-2: #101416;

    --ink-900: #eef3f2;
    --ink-650: #a7b0ae;
    --ink-450: #737d7c;

    --glass-1: rgba(31, 36, 39, .68);
    --glass-2: rgba(26, 31, 34, .54);
    --glass-3: rgba(255, 255, 255, .06);
    --line-glass: rgba(255, 255, 255, .12);
    --line-soft: rgba(255, 255, 255, .085);

    --accent-core: #eef3f2;
    --accent-auth: #8ab6c4;
    --accent-direct: #d5966e;
    --accent-recovery: #a9ba8b;
    --accent-risk: #dc8272;
    --accent-preview: #aaa0ca;
    --accent-knowledge: #8bb7b9;

    --shadow-panel: 0 28px 82px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255, 255, 255, .09);
    --shadow-card: 0 18px 48px rgba(0, 0, 0, .26), inset 0 1px 0 rgba(255, 255, 255, .08);
    --shadow-hover: 0 30px 90px rgba(0, 0, 0, .38), inset 0 1px 0 rgba(255, 255, 255, .12);
  }

  :root:not([data-theme="light"]) body {
    background:
      radial-gradient(circle at 18% 8%, rgba(138, 182, 196, .115), transparent 32rem),
      radial-gradient(circle at 84% 18%, rgba(213, 150, 110, .075), transparent 30rem),
      radial-gradient(circle at 48% 108%, rgba(170, 160, 202, .055), transparent 28rem),
      linear-gradient(135deg, var(--canvas-0) 0%, var(--canvas-1) 52%, var(--canvas-2) 100%);
  }

  :root:not([data-theme="light"]) body::after {
    opacity: .055;
    mix-blend-mode: screen;
  }

  :root:not([data-theme="light"]) .brand-mark,
  :root:not([data-theme="light"]) .shortcut,
  :root:not([data-theme="light"]) .theme-icon {
    background: #edf3f2;
    color: #101315;
  }

  :root:not([data-theme="light"]) .card:hover {
    background: rgba(255, 255, 255, .085);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}