:root {
  color-scheme: light;
  --paper: #fbfaf7;
  --paper-strong: #ffffff;
  --ink: #0b1835;
  --ink-soft: #52617d;
  --blue: #3157f6;
  --blue-deep: #143ca8;
  --blue-soft: #eaf0ff;
  --violet: #7358ef;
  --mint: #0aa66f;
  --mint-soft: #e5f8ef;
  --peach: #fff0e8;
  --line: #dfe6f2;
  --line-strong: #c8d4e8;
  --shadow: 0 18px 50px rgba(43, 72, 140, .12);
  --shadow-soft: 0 9px 28px rgba(43, 72, 140, .08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(rgba(73, 102, 174, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 102, 174, .035) 1px, transparent 1px),
    radial-gradient(circle at 78% 8%, rgba(79, 101, 246, .1), transparent 24rem),
    var(--paper);
  background-size: 32px 32px, 32px 32px, auto, auto;
  font-family: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none;
  user-select: none;
  caret-color: transparent;
}

body.modal-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img { max-width: 100%; }

input,
textarea,
[contenteditable="true"] {
  -webkit-user-select: text;
  user-select: text;
  caret-color: var(--blue);
}

a,
button,
summary { touch-action: manipulation; }

:where(a, button, input, summary):focus-visible {
  outline: 3px solid rgba(49, 87, 246, .34);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--ink);
}

.skip-link:focus { transform: none; }

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(251, 250, 247, .86);
  backdrop-filter: blur(18px);
  transition: border-color .25s ease, box-shadow .25s ease;
}

.site-header.is-scrolled {
  border-color: rgba(200, 212, 232, .72);
  box-shadow: 0 8px 30px rgba(32, 55, 110, .07);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.045em;
}

.brand-mark {
  position: relative;
  width: 31px;
  height: 34px;
  display: inline-block;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background: linear-gradient(145deg, #8b9aff, var(--blue) 62%, #18369e);
  box-shadow: 0 8px 18px rgba(49, 87, 246, .28);
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0, 100% 25%, 50% 51%, 0 25%);
  background: rgba(255, 255, 255, .36);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-right: auto;
}

.site-nav a {
  position: relative;
  padding: 28px 0 24px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 800;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 16px;
  height: 3px;
  border-radius: 9px;
  background: var(--blue);
  transition: right .22s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { right: 0; }

.nav-contact-button { display: none; }

.header-contact,
.primary-button,
.secondary-button,
.quiet-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  border-radius: 13px;
  padding: 0 20px;
  cursor: pointer;
  font-weight: 850;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.header-contact,
.primary-button {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #4968ff);
  box-shadow: 0 10px 24px rgba(49, 87, 246, .22);
}

.header-contact:hover,
.primary-button:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(49, 87, 246, .3); }

.secondary-button {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .72);
}

.secondary-button:hover,
.quiet-button:hover { transform: translateY(-2px); background: #fff; }

.quiet-button { background: var(--blue-soft); color: var(--blue-deep); }

.mobile-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  cursor: pointer;
}

.mobile-toggle span,
.mobile-toggle span::before,
.mobile-toggle span::after {
  width: 19px;
  height: 2px;
  display: block;
  border-radius: 9px;
  background: var(--ink);
}

.mobile-toggle span { position: relative; }
.mobile-toggle span::before,
.mobile-toggle span::after { content: ""; position: absolute; left: 0; }
.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { top: 6px; }

.home-hero {
  min-height: 390px;
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(300px, .85fr);
  align-items: center;
  gap: 76px;
  padding: 58px 0 42px;
}

.hero-copy h1,
.page-title,
.software-title {
  margin: 0;
  font-size: clamp(42px, 5vw, 70px);
  line-height: 1.08;
  letter-spacing: -.065em;
  font-weight: 950;
}

.hero-copy > p {
  margin: 18px 0 22px;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.65vw, 23px);
  font-weight: 650;
}

.search-form {
  position: relative;
  display: flex;
  align-items: center;
  padding: 6px;
  border: 1px solid #ccd9f1;
  border-radius: 17px;
  background: rgba(255, 255, 255, .9);
  box-shadow: var(--shadow);
}

.search-form::before {
  content: "";
  width: 48px;
  height: 54px;
  flex: 0 0 48px;
  color: var(--ink-soft);
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='m15.4 15.4 4.6 4.6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center / 20px 20px no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='m15.4 15.4 4.6 4.6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center / 20px 20px no-repeat;
}

.search-form input {
  width: 100%;
  min-width: 0;
  height: 54px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 17px;
}

.search-form input::placeholder { color: #75839d; }

.search-form button {
  width: 56px;
  height: 54px;
  flex: 0 0 56px;
  border: 0;
  border-radius: 13px;
  color: #fff;
  background: var(--blue);
  cursor: pointer;
  font-size: 0;
  transition: transform .2s ease, background .2s ease;
}

.search-form button::before {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  margin: auto;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='m15.4 15.4 4.6 4.6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='m15.4 15.4 4.6 4.6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

.search-form button:hover { transform: scale(1.04); background: #2049ef; }

.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.category-chip {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0 15px;
  color: var(--blue-deep);
  background: var(--blue-soft);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.category-chip:nth-child(2n) { color: #6041c7; background: #f0ebff; }
.category-chip:nth-child(3n) { color: #a64728; background: var(--peach); }
.category-chip:nth-child(4n) { color: #087952; background: var(--mint-soft); }
.category-chip:hover,
.category-chip.is-active { transform: translateY(-2px); border-color: currentColor; }

.hero-art {
  position: relative;
  min-height: 270px;
  isolation: isolate;
}

.hero-glow {
  position: absolute;
  inset: 18% 2% 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(72, 98, 246, .2), transparent 67%);
  filter: blur(9px);
}

.orbit {
  position: absolute;
  left: 3%;
  right: 1%;
  top: 47%;
  height: 38%;
  border: 2px solid rgba(75, 101, 244, .58);
  border-radius: 50%;
  transform: rotate(8deg);
}

.cube {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 19px;
  background: linear-gradient(145deg, rgba(213, 221, 255, .88), rgba(81, 107, 244, .72));
  box-shadow: 0 24px 46px rgba(48, 76, 184, .22), inset 14px 14px 28px rgba(255, 255, 255, .42);
  transform: rotate(30deg) skew(-7deg, -7deg);
  animation: float 5.2s ease-in-out infinite;
}

.cube-one { width: 122px; height: 122px; left: 34%; top: 8%; }
.cube-two { width: 88px; height: 88px; left: 13%; top: 52%; animation-delay: -2s; }

.doc-shape {
  position: absolute;
  width: 132px;
  height: 150px;
  right: 1%;
  top: 35%;
  border: 1px solid rgba(93, 115, 231, .16);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(196, 205, 255, .76));
  box-shadow: 0 24px 54px rgba(39, 67, 164, .16);
  transform: rotate(8deg);
}

.doc-shape::before,
.doc-shape::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 24px;
  height: 7px;
  border-radius: 9px;
  background: rgba(66, 88, 202, .28);
}

.doc-shape::before { top: 57px; box-shadow: 0 18px 0 rgba(66, 88, 202, .2), 0 36px 0 rgba(66, 88, 202, .14); }
.doc-shape::after { width: 26px; top: 24px; background: var(--blue); }

.spark {
  position: absolute;
  width: 26px;
  height: 26px;
  left: 16%;
  top: 19%;
  background: var(--blue);
  clip-path: polygon(50% 0, 61% 38%, 100% 50%, 61% 62%, 50% 100%, 39% 62%, 0 50%, 39% 38%);
  animation: pulse 3.2s ease-in-out infinite;
}

.section { padding: 34px 0 58px; }
.section-tight { padding-top: 20px; }

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.section-heading h2,
.content-title {
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -.045em;
  font-weight: 950;
}

.section-heading a { color: var(--blue); font-weight: 850; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.skill-card {
  position: relative;
  min-height: 170px;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  column-gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .82);
  box-shadow: var(--shadow-soft);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.skill-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #c2cff0; }
.skill-card.is-hidden { display: none; }

.curation-empty {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  min-height: 172px;
  padding: 26px 30px;
  border: 1px dashed #bdcae3;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(255,255,255,.8), rgba(238,243,255,.72));
}
.curation-empty-icon,
.empty-state-mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 34px;
  font-weight: 900;
}
.curation-empty h3 { margin: 9px 0 5px; font-size: 21px; }
.curation-empty p { max-width: 690px; margin: 0; color: var(--ink-soft); line-height: 1.7; }

.skill-icon {
  grid-row: 1 / 4;
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--ink);
  background: linear-gradient(145deg, #ffdeda, #fff0ef);
  font-size: 29px;
  font-weight: 950;
}

.skill-icon.blue { color: #176ad4; background: linear-gradient(145deg, #d6eaff, #eef7ff); }
.skill-icon.red { color: #c8213f; background: linear-gradient(145deg, #ffdce3, #fff1f3); font-size: 18px; }
.skill-icon.violet { color: #6243d2; background: linear-gradient(145deg, #e7ddff, #f5f0ff); }
.skill-icon.green { color: #078a5d; background: linear-gradient(145deg, #d7f8e9, #edfff6); }

.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.card-head h3 { margin: 0; font-size: 19px; letter-spacing: -.025em; }
.skill-card p { margin: 8px 0 16px; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.badge,
.category-label {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

.badge.verified { color: #087a53; background: var(--mint-soft); }
.badge.pending { color: #866018; background: #fff5d9; }
.category-label { color: var(--blue-deep); background: var(--blue-soft); }

.card-link {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  padding: 0 15px;
  color: #fff;
  background: var(--ink);
  font-size: 13px;
  font-weight: 850;
}

.card-link.disabled { color: var(--ink-soft); background: #edf0f5; cursor: not-allowed; }

.software-feature,
.software-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  min-height: 218px;
  border-radius: var(--radius-lg);
  color: #fff;
  background:
    radial-gradient(circle at 85% 24%, rgba(118, 151, 255, .62), transparent 29%),
    linear-gradient(125deg, #153995, #2457db 64%, #3f6fff);
  box-shadow: 0 20px 46px rgba(25, 63, 169, .24);
}

.software-copy { position: relative; z-index: 3; padding: 30px 44px; }
.software-kicker { display: inline-flex; margin: 0 0 8px; padding: 6px 13px; border-radius: 999px; background: rgba(107, 141, 255, .76); font-size: 12px; font-weight: 850; }
.software-kicker-light { color: var(--blue-deep); background: var(--blue-soft); }
.software-feature h2,
.software-hero h1 { margin: 0; font-size: clamp(34px, 4vw, 49px); line-height: 1.05; letter-spacing: -.045em; }
.software-feature p,
.software-hero p { margin: 10px 0 4px; color: rgba(255, 255, 255, .88); line-height: 1.65; }
.software-meta { font-size: 13px; opacity: .82; }
.software-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 16px; }
.software-actions .primary-button { color: var(--blue-deep); background: #fff; box-shadow: none; }
.software-actions .secondary-button { color: #fff; border-color: rgba(255, 255, 255, .68); background: transparent; }
.software-actions .secondary-button:hover { background: rgba(255, 255, 255, .12); }

.video-art { position: relative; min-height: 192px; align-self: stretch; }
.video-window {
  position: absolute;
  left: 7%;
  right: 10%;
  top: 27px;
  bottom: 27px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .46);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(205, 222, 255, .44), rgba(44, 81, 192, .42));
  box-shadow: 0 20px 40px rgba(6, 25, 86, .28), inset 0 0 0 8px rgba(255, 255, 255, .07);
}

.video-window::before {
  content: "水印";
  position: absolute;
  left: 18%;
  top: 32%;
  padding: 8px 13px;
  border: 2px dashed rgba(255, 255, 255, .74);
  border-radius: 10px;
  color: rgba(255, 255, 255, .78);
  font-weight: 850;
}

.video-window::after {
  content: "▶  ━━━━━━━";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 15px;
  color: rgba(255, 255, 255, .82);
  letter-spacing: .08em;
}

.scan-line {
  position: absolute;
  z-index: 4;
  top: 18px;
  bottom: 18px;
  left: 26%;
  width: 4px;
  border-radius: 99px;
  background: #8cfff8;
  box-shadow: 0 0 18px #8cfff8;
  animation: scan-line 3.6s ease-in-out infinite;
}

.trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0 52px;
  color: #64738e;
  font-size: 13px;
  font-weight: 750;
}
.trust-row span + span::before { content: ""; display: inline-block; width: 1px; height: 15px; margin-right: 16px; vertical-align: -3px; background: var(--line-strong); }

.breadcrumbs { padding: 26px 0 16px; color: #63718b; font-size: 13px; font-weight: 700; }
.breadcrumbs a:hover { color: var(--blue); }

.detail-summary {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(330px, .85fr);
  align-items: center;
  gap: 56px;
  padding: 8px 0 34px;
}

.skill-summary {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  align-items: center;
  gap: 28px;
}

.skill-mark {
  width: 116px;
  height: 116px;
  display: grid;
  place-items: center;
  border-radius: 26px;
  background: linear-gradient(145deg, #ffdcd9, #fff1ef);
  font-size: 53px;
  box-shadow: var(--shadow-soft);
}

.skill-summary h1 { margin: 0; font-size: clamp(44px, 5vw, 62px); line-height: 1.05; letter-spacing: -.06em; }
.skill-summary p { margin: 10px 0 15px; color: var(--ink-soft); font-size: 18px; line-height: 1.6; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; }

.install-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .86);
  box-shadow: var(--shadow);
}

.install-panel h2 { margin: 0 0 14px; font-size: 23px; }
.install-panel .primary-button { width: 100%; min-height: 56px; font-size: 17px; }
.install-note { display: flex; justify-content: center; gap: 7px; margin: 12px 0; color: var(--ink-soft); font-size: 12px; }
.install-links { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); padding-top: 13px; }
.install-links button,
.install-links a { border: 0; border-right: 1px solid var(--line); background: transparent; color: var(--blue-deep); cursor: pointer; font-size: 12px; font-weight: 800; text-align: center; }
.install-links > :last-child { border-right: 0; }

.preview-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .72);
  box-shadow: var(--shadow-soft);
}

.preview-frame {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(145deg, #f3ede2, #dbe5ef);
}

.preview-frame.after { background: radial-gradient(circle at 50% 48%, #fff 0 34%, #e8eef7 72%); }
.preview-label { position: absolute; left: 14px; bottom: 14px; padding: 6px 10px; border-radius: 999px; color: #fff; background: rgba(11, 24, 53, .7); font-size: 12px; font-weight: 800; }

.cat-photo {
  position: relative;
  width: 150px;
  height: 172px;
  border-radius: 48% 48% 44% 44%;
  background: linear-gradient(120deg, #bc6c31, #f1c18c 52%, #fff0db 53%);
  box-shadow: 0 24px 40px rgba(83, 54, 30, .18);
}
.cat-photo::before { content: "▲     ▲"; position: absolute; left: 12px; right: 12px; top: -45px; color: #b7672f; font-size: 66px; letter-spacing: 18px; white-space: nowrap; }
.cat-photo::after { content: "●   ●\A  ᴗ"; white-space: pre; position: absolute; inset: 48px 0 auto; color: #2c201b; font-size: 24px; line-height: 1.25; text-align: center; }

.bead-cat {
  width: 176px;
  height: 166px;
  display: grid;
  place-items: center;
  clip-path: polygon(10% 0, 29% 14%, 71% 14%, 90% 0, 93% 55%, 82% 82%, 50% 100%, 18% 82%, 7% 55%);
  color: #fff;
  background:
    radial-gradient(circle, rgba(255,255,255,.75) 0 2px, transparent 3px) 0 0/14px 14px,
    linear-gradient(135deg, #ef8b3f, #bb5b24);
  box-shadow: inset 0 0 0 13px #282626;
  font-size: 38px;
  font-weight: 900;
  text-shadow: 0 2px #222;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding: 10px 0 16px;
}

.capability-item { display: grid; grid-template-columns: 54px 1fr; gap: 15px; align-items: start; }
.capability-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 15px; background: var(--blue-soft); color: var(--blue); font-size: 22px; font-weight: 900; }
.capability-item:nth-child(2) .capability-icon { color: var(--violet); background: #f0ebff; }
.capability-item:nth-child(3) .capability-icon { color: var(--mint); background: var(--mint-soft); }
.capability-item h3 { margin: 2px 0 7px; font-size: 17px; }
.capability-item p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }

.steps-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.step-item { position: relative; display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 14px; padding-right: 36px; }
.step-item + .step-item { padding-left: 36px; border-left: 1px solid var(--line); }
.step-number { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--blue); font-weight: 900; }
.step-item h3 { margin: 0 0 4px; font-size: 16px; }
.step-item p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }

.meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin: 28px 0 54px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
}
.meta-bar strong { color: var(--ink); font-size: 14px; }
.meta-bar .check { color: var(--mint); }

.software-page .software-hero { min-height: 290px; margin-bottom: 34px; }
.software-page .software-copy { padding: 42px 48px; }
.platform-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 4px; }
.platform-tags span { padding: 6px 13px; border-radius: 999px; background: rgba(255,255,255,.14); font-size: 13px; font-weight: 800; }

.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.download-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.82); box-shadow: var(--shadow-soft); }
.download-card-head { display: grid; grid-template-columns: 58px 1fr; align-items: center; gap: 15px; margin-bottom: 18px; }
.os-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 15px; color: var(--blue-deep); background: var(--blue-soft); font-size: 25px; font-weight: 900; }
.download-card h3 { margin: 0 0 6px; font-size: 18px; }
.download-card p { margin: 4px 0; color: var(--ink-soft); font-size: 12px; }
.download-card .primary-button,
.download-card .secondary-button { width: 100%; }

.faq-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .65fr); gap: 20px; align-items: start; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { position: relative; padding: 18px 42px 18px 0; cursor: pointer; list-style: none; font-weight: 850; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 10px; top: 12px; color: var(--blue); font-size: 26px; transition: transform .2s ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin: -2px 0 18px; color: var(--ink-soft); line-height: 1.75; }
.contact-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--blue-soft); }
.contact-card h3 { margin: 0 0 8px; }
.contact-card p { margin: 0 0 18px; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.contact-plain { width: 100%; margin-top: 12px; padding: 8px; border: 0; background: transparent; color: var(--blue-deep); cursor: pointer; font-weight: 800; }

.explorer-head { padding: 46px 0 24px; }
.explorer-head h1 { margin: 0; font-size: clamp(42px, 5vw, 64px); letter-spacing: -.06em; }
.explorer-head p { color: var(--ink-soft); font-size: 17px; }
.explorer-controls { display: grid; grid-template-columns: minmax(280px, 1fr) auto; align-items: center; gap: 18px; margin-top: 22px; }
.result-count { color: var(--ink-soft); font-size: 13px; font-weight: 700; }
.empty-state { display: none; padding: 70px 20px; text-align: center; color: var(--ink-soft); }
.empty-state.show { display: block; }
.empty-state-mark { margin: 0 auto 18px; }
.empty-state h2 { margin: 0 0 9px; color: var(--ink); font-size: 27px; }
.empty-state p { max-width: 600px; margin: 0 auto 22px; line-height: 1.75; }

.software-list-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,.82); box-shadow: var(--shadow-soft); }
.software-list-card h2 { margin: 0 0 8px; font-size: 28px; }
.software-list-card p { margin: 0; color: var(--ink-soft); }

.redirect-card,
.not-found { width: min(calc(100% - 48px), 720px); margin: 10vh auto; padding: 44px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); text-align: center; }
.redirect-card h1,
.not-found h1 { margin: 0 0 12px; font-size: 40px; }
.redirect-card p,
.not-found p { color: var(--ink-soft); line-height: 1.7; }
.redirect-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.site-footer { border-top: 1px solid var(--line); background: rgba(255,255,255,.52); }
.footer-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 26px; color: var(--ink-soft); font-size: 12px; }
.footer-actions { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-actions button { padding: 0; border: 0; background: transparent; cursor: pointer; color: var(--ink-soft); }
.footer-actions a:hover,
.footer-actions button:hover { color: var(--blue); }

.contact-modal {
  position: fixed;
  z-index: 200;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  background: rgba(6, 14, 34, .66);
  backdrop-filter: blur(10px);
  pointer-events: none;
  transition: opacity .2s ease, visibility .2s ease;
}
.contact-modal.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.contact-modal:not(.is-open) .contact-dialog,
.contact-modal:not(.is-open) .contact-dialog * { pointer-events: none !important; }
.contact-dialog { position: relative; width: min(100%, 420px); padding: 28px; border-radius: 24px; background: var(--paper-strong); box-shadow: 0 28px 80px rgba(5, 17, 52, .32); transform: translateY(14px) scale(.98); transition: transform .22s ease; }
.contact-modal.is-open .contact-dialog { transform: none; }
.contact-dialog h2 { margin: 0 0 7px; font-size: 27px; }
.contact-dialog > p { margin: 0 0 18px; color: var(--ink-soft); font-size: 13px; }
.modal-close { position: absolute; right: 17px; top: 15px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--blue-soft); cursor: pointer; font-size: 23px; }
.qr-stage { position: relative; width: min(100%, 270px); aspect-ratio: 1; margin: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; overflow: hidden; }
.qr-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; visibility: hidden; transition: opacity .15s ease; }
.contact-modal.is-open .qr-stage img.is-active { opacity: 1; visibility: visible; }
.contact-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.contact-tabs button { min-height: 42px; border: 1px solid var(--line-strong); border-radius: 11px; background: transparent; cursor: pointer; font-weight: 800; }
.contact-tabs button.is-active { color: #fff; border-color: var(--blue); background: var(--blue); }

.toast {
  position: fixed;
  z-index: 300;
  left: 50%;
  bottom: 28px;
  max-width: min(calc(100% - 36px), 520px);
  transform: translate(-50%, 24px);
  padding: 13px 18px;
  border-radius: 13px;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 16px 40px rgba(8, 18, 44, .28);
  opacity: 0;
  visibility: hidden;
  text-align: center;
  font-size: 13px;
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-visible { opacity: 1; transform: none; transition: opacity .55s ease, transform .55s ease; }

@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -10px; } }
@keyframes pulse { 0%, 100% { transform: scale(.86) rotate(0); opacity: .7; } 50% { transform: scale(1.06) rotate(15deg); opacity: 1; } }
@keyframes scan-line { 0%, 100% { left: 24%; } 50% { left: 73%; } }

@media (max-width: 980px) {
  .header-inner { gap: 20px; }
  .site-nav { gap: 20px; }
  .home-hero { grid-template-columns: minmax(0, 1.3fr) minmax(240px, .7fr); gap: 34px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid .skill-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .detail-summary { gap: 28px; }
  .skill-summary { grid-template-columns: 94px 1fr; gap: 20px; }
  .skill-mark { width: 94px; height: 94px; }
  .preview-frame { min-height: 220px; }
}

@media (max-width: 780px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .header-inner { min-height: 68px; }
  .brand { margin-right: auto; font-size: 19px; }
  .brand-mark { width: 27px; height: 30px; }
  .header-contact { display: none; }
  .mobile-toggle { display: inline-flex; }
  .site-nav { position: absolute; left: 16px; right: 16px; top: 62px; display: grid; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.98); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s ease, transform .2s ease, visibility .2s ease; }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav a { padding: 13px 14px; border-radius: 11px; }
  .site-nav a::after { display: none; }
  .site-nav a:hover,
  .site-nav a[aria-current="page"] { background: var(--blue-soft); }
  .nav-contact-button { display: block; min-height: 44px; margin-top: 4px; border: 0; border-radius: 11px; color: #fff; background: var(--blue); cursor: pointer; font-weight: 850; }
  .home-hero { display: block; min-height: 0; padding: 48px 0 34px; }
  .hero-art { min-height: 235px; margin-top: 26px; }
  .hero-copy h1 { max-width: 650px; }
  .skills-grid,
  .download-grid { grid-template-columns: 1fr; }
  .skills-grid .skill-card:last-child:nth-child(odd) { grid-column: auto; }
  .software-feature,
  .software-hero { grid-template-columns: 1fr; }
  .video-art { min-height: 190px; }
  .software-page .software-hero { margin-inline: 0; }
  .detail-summary { grid-template-columns: 1fr; }
  .install-panel { max-width: none; }
  .preview-panel { grid-template-columns: 1fr; }
  .capability-grid,
  .steps-strip { grid-template-columns: 1fr; }
  .capability-item { padding: 12px 0; }
  .step-item,
  .step-item + .step-item { padding: 13px 0; border-left: 0; border-top: 1px solid var(--line); }
  .step-item:first-child { border-top: 0; }
  .faq-layout { grid-template-columns: 1fr; }
  .explorer-controls { grid-template-columns: 1fr; }
  .software-list-card { grid-template-columns: 1fr; }
  .curation-empty { grid-template-columns: 64px 1fr; }
  .curation-empty .secondary-button { grid-column: 1 / -1; justify-self: start; }
  .footer-inner { min-height: 0; flex-direction: column; align-items: flex-start; padding: 25px 0; }
}

@media (max-width: 520px) {
  .hero-copy h1,
  .page-title { font-size: 40px; }
  .hero-copy > p { font-size: 16px; }
  .search-form::before { width: 42px; height: 48px; flex-basis: 42px; }
  .search-form input { height: 48px; font-size: 16px; }
  .search-form button { width: 48px; height: 48px; flex-basis: 48px; }
  .category-list { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; scrollbar-width: none; }
  .category-list::-webkit-scrollbar { display: none; }
  .category-chip { flex: 0 0 auto; }
  .hero-art { min-height: 200px; }
  .cube-one { width: 98px; height: 98px; }
  .cube-two { width: 70px; height: 70px; }
  .doc-shape { width: 102px; height: 121px; }
  .section { padding: 24px 0 42px; }
  .section-heading { align-items: center; }
  .skill-card { grid-template-columns: 58px 1fr; min-height: 154px; padding: 17px; }
  .skill-icon { width: 58px; height: 58px; border-radius: 15px; font-size: 24px; }
  .card-head { display: block; }
  .card-head .badge { margin-top: 6px; }
  .card-foot { grid-column: 1 / -1; margin-top: 12px; }
  .software-copy,
  .software-page .software-copy { padding: 27px 22px; }
  .software-actions { display: grid; }
  .software-actions a,
  .software-actions button { width: 100%; }
  .skill-summary { grid-template-columns: 72px 1fr; align-items: start; }
  .skill-mark { width: 72px; height: 72px; border-radius: 19px; font-size: 36px; }
  .skill-summary h1 { font-size: 37px; }
  .skill-summary p { grid-column: 1 / -1; font-size: 15px; }
  .preview-frame { min-height: 190px; }
  .cat-photo { transform: scale(.82); }
  .bead-cat { transform: scale(.82); }
  .install-links { grid-template-columns: 1fr; gap: 12px; }
  .install-links button,
  .install-links a { min-height: 34px; border-right: 0; }
  .trust-row span + span::before { display: none; }
  .modal-close { width: 44px; height: 44px; }
  .curation-empty { grid-template-columns: 1fr; padding: 22px; }
  .curation-empty .secondary-button { width: 100%; justify-self: stretch; }
}

/* ===== 页面入场效果：宏观大气（一次性动画，不拦截点击、无遮罩，随减弱动效自动关闭） ===== */
/* 站点头部：轻缓落下浮现 */
.site-header { animation: siteDrop .55s cubic-bezier(.22,.8,.24,1); }

/* 主内容整体柔光浮现（仅透明度，不产生整页位移） */
main { animation: mainFade .5s ease; }

/* 首页首屏：氛围层在下，文案与主视觉在上 */
.home-hero { position: relative; }
.hero-copy { position: relative; z-index: 2; }
.hero-art { position: relative; z-index: 2; }

/* ① 开场氛围：柔光由虚到实缓慢晕开 */
.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(46% 55% at 12% 16%, rgba(115, 88, 239, .16), transparent 72%),
    radial-gradient(48% 52% at 90% 10%, rgba(49, 87, 246, .2), transparent 74%),
    radial-gradient(80% 60% at 50% 112%, rgba(10, 166, 111, .13), transparent 70%);
  opacity: 1;
  animation: auroraBloom 1.9s .3s cubic-bezier(.25, .7, .3, 1) backwards;
}
@keyframes auroraBloom {
  0% { opacity: 0; transform: scale(.93); filter: blur(8px); }
  100% { opacity: 1; transform: scale(1); filter: blur(0); }
}

/* ② 一束宽幅柔光斜扫首屏（结束后回归隐藏，不抢内容） */
.home-hero::after {
  content: "";
  position: absolute;
  inset: -12% -25%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(112deg, transparent 44%, rgba(255, 255, 255, .55) 50%, transparent 56%);
  mix-blend-mode: soft-light;
  opacity: 0;
  transform: translateX(-135%) skewX(-9deg);
  animation: lightSweep 1.8s .85s cubic-bezier(.4, .1, .3, 1) backwards;
}
@keyframes lightSweep {
  0% { transform: translateX(-135%) skewX(-9deg); opacity: 0; }
  12% { opacity: 1; }
  100% { transform: translateX(135%) skewX(-9deg); opacity: 0; }
}

/* ③ 主标题：从深处升起、定焦（视觉重心） */
.hero-copy h1 {
  animation: titleSoar 1s .08s cubic-bezier(.2, .85, .25, 1) backwards;
  will-change: transform, opacity, filter;
}
@keyframes titleSoar {
  0% { opacity: 0; transform: translateY(40px) scale(.975); filter: blur(14px); }
  58% { filter: blur(0); }
  100% { opacity: 1; transform: none; }
}

/* ④ 副文案、搜索框、分类标签依次上浮（标签动画结束后恢复原样，不影响悬停上浮） */
.hero-copy > p { animation: riseUp .72s .26s cubic-bezier(.2, .8, .25, 1) backwards; }
.search-form { animation: riseUp .72s .38s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(1) { animation: riseUp .5s .5s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(2) { animation: riseUp .5s .56s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(3) { animation: riseUp .5s .62s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(4) { animation: riseUp .5s .68s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(5) { animation: riseUp .5s .74s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(6) { animation: riseUp .5s .8s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(7) { animation: riseUp .5s .86s cubic-bezier(.2, .8, .25, 1) backwards; }
@keyframes riseUp {
  0% { opacity: 0; transform: translateY(16px); }
  100% { opacity: 1; transform: none; }
}

/* ⑤ 右侧主视觉：整体淡入放大定焦 */
.hero-art {
  animation: artRise 1.15s .3s cubic-bezier(.2, .8, .25, 1) backwards;
  will-change: transform, opacity, filter;
}
@keyframes artRise {
  0% { opacity: 0; transform: translateY(24px) scale(.93); filter: blur(16px); }
  60% { filter: blur(0); }
  100% { opacity: 1; transform: none; }
}

/* ===== 页面入场效果：宏观大气（一次性、不拦截点击、不加遮罩；随 prefers-reduced-motion 自动关闭） ===== */
/* 站点头部：轻缓落下浮现 */
.site-header { animation: siteDrop .55s cubic-bezier(.22,.8,.24,1) backwards; }

/* 主内容整体柔光浮现（仅透明度，不产生整页位移） */
main { animation: mainFade .5s ease; }

/* 首页首屏：氛围层在下，文案与主视觉在上 */
.home-hero { position: relative; }
.hero-copy { position: relative; z-index: 2; }
.hero-art { position: relative; z-index: 2; }

/* ① 开场氛围：柔光由虚到实缓慢晕开（紫/蓝/绿三层叠加） */
.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(46% 55% at 12% 16%, rgba(115, 88, 239, .16), transparent 72%),
    radial-gradient(48% 52% at 90% 10%, rgba(49, 87, 246, .2), transparent 74%),
    radial-gradient(80% 60% at 50% 112%, rgba(10, 166, 111, .13), transparent 70%);
  opacity: 1;
  animation: auroraBloom 1.9s .3s cubic-bezier(.25, .7, .3, 1) backwards;
}
@keyframes auroraBloom {
  0%   { opacity: 0; transform: scale(.93); filter: blur(8px); }
  100% { opacity: 1; transform: scale(1); filter: blur(0); }
}

/* ② 一束宽幅柔光斜扫首屏（结束后回归隐藏） */
.home-hero::after {
  content: "";
  position: absolute;
  inset: -12% -25%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(112deg, transparent 44%, rgba(255, 255, 255, .55) 50%, transparent 56%);
  mix-blend-mode: soft-light;
  opacity: 0;
  transform: translateX(-135%) skewX(-9deg);
  animation: lightSweep 1.8s .85s cubic-bezier(.4, .1, .3, 1) backwards;
}
@keyframes lightSweep {
  0%   { transform: translateX(-135%) skewX(-9deg); opacity: 0; }
  12%  { opacity: 1; }
  100% { transform: translateX(135%) skewX(-9deg); opacity: 0; }
}

/* ③ 主标题：从深处升起并定焦（视觉重心） */
.hero-copy h1 {
  animation: titleSoar 1s .08s cubic-bezier(.2, .85, .25, 1) backwards;
  will-change: transform, opacity, filter;
}
@keyframes titleSoar {
  0%   { opacity: 0; transform: translateY(40px) scale(.975); filter: blur(14px); }
  58%  { filter: blur(0); }
  100% { opacity: 1; transform: none; }
}

/* ④ 副文案、搜索框、分类标签依次浮起；动画结束后回归原样，不影响悬停上浮 */
.hero-copy > p { animation: riseUp .72s .26s cubic-bezier(.2, .8, .25, 1) backwards; }
.search-form   { animation: riseUp .72s .38s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(1) { animation: riseUp .5s .5s  cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(2) { animation: riseUp .5s .56s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(3) { animation: riseUp .5s .62s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(4) { animation: riseUp .5s .68s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(5) { animation: riseUp .5s .74s cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(6) { animation: riseUp .5s .8s  cubic-bezier(.2, .8, .25, 1) backwards; }
.category-chip:nth-child(7) { animation: riseUp .5s .86s cubic-bezier(.2, .8, .25, 1) backwards; }
@keyframes riseUp {
  0%   { opacity: 0; transform: translateY(16px); }
  100% { opacity: 1; transform: none; }
}

/* ⑤ 右侧主视觉：整体淡入放大定焦 */
.hero-art {
  animation: artRise 1.15s .3s cubic-bezier(.2, .8, .25, 1) backwards;
  will-change: transform, opacity, filter;
}
@keyframes artRise {
  0%   { opacity: 0; transform: translateY(24px) scale(.93); filter: blur(16px); }
  60%  { filter: blur(0); }
  100% { opacity: 1; transform: none; }
}

@keyframes siteDrop {
  0%   { opacity: 0; transform: translateY(-14px); }
  100% { opacity: 1; transform: none; }
}
@keyframes mainFade {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}