/* ==========================================================================
   言构智会 · YanGou Smart Meeting — 静态版样式
   参照 .ref/assets/index.css（Tailwind 工具类 + 自定义样式块）逐项转写
   ========================================================================== */

:root {
  color-scheme: dark;
}

/* ---- 基础重置（对应 Tailwind preflight 中用到的部分） ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  border-color: transparent;
}
html {
  scroll-behavior: smooth;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background-color: #07080d;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    "Helvetica Neue",
    Arial,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}
a {
  color: inherit;
  text-decoration: inherit;
}
button {
  font-family: inherit;
  font-size: 100%;
  line-height: inherit;
  margin: 0;
  padding: 0;
  background-color: transparent;
  background-image: none;
  cursor: pointer;
  color: inherit;
}
table {
  border-collapse: collapse;
  border-color: inherit;
}
img, svg {
  display: block;
}
[hidden] {
  display: none !important;
}

#app {
  min-height: 100vh;
  background-color: #07080d;
  color: #e4e4e7; /* zinc-200 */
  -webkit-font-smoothing: antialiased;
}
::selection {
  background-color: rgba(99, 102, 241, 0.3); /* indigo-500/30 */
}

/* ---- 自定义滚动条 ---- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #07080d;
}
::-webkit-scrollbar-thumb {
  background: #23252f;
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: #33364a;
}

/* ---- 效果类（照搬参照自定义块） ---- */
.bg-grid {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 35%, transparent 100%);
}
.glow-orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(90px);
  pointer-events: none;
}
.text-gradient {
  background: linear-gradient(100deg, #818cf8, #22d3ee 55%, #34d399);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.card-hover {
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s,
    box-shadow 0.35s,
    background-color 0.35s;
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: rgba(129, 140, 248, 0.35); /* #818cf859 */
  box-shadow: 0 18px 50px -18px rgba(99, 102, 241, 0.35); /* #6366f159 */
}
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: none;
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}
.animate-bounce {
  animation: bounce 1s infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.animate-spin {
  animation: spin 1s linear infinite;
}

/* ---- 通用布局 ---- */
.container {
  position: relative;
  margin-left: auto;
  margin-right: auto;
  max-width: 1152px; /* max-w-6xl */
  padding-left: 20px;
  padding-right: 20px;
}
.section {
  position: relative;
  padding-top: 112px;
  padding-bottom: 112px;
}
.section-divider {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-image: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.15), transparent);
}
.section-head-left {
  max-width: 672px;
}
.section-head-center {
  margin-left: auto;
  margin-right: auto;
  max-width: 672px;
  text-align: center;
}
.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.25em;
}
.eyebrow-indigo {
  color: #818cf8;
}
.eyebrow-cyan {
  color: #22d3ee;
}
.section-title {
  margin-top: 16px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #ffffff;
  line-height: 1.25;
}
.section-sub {
  margin-top: 16px;
  color: #71717a; /* zinc-500 */
}
@media (min-width: 640px) {
  .section-title {
    font-size: 36px;
    line-height: 40px;
  }
}

/* ---- 导航栏 ---- */
#site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
#site-nav.scrolled {
  background-color: rgba(7, 8, 13, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.nav-inner {
  margin-left: auto;
  margin-right: auto;
  display: flex;
  height: 64px;
  max-width: 1152px;
  align-items: center;
  justify-content: space-between;
  padding-left: 20px;
  padding-right: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-box {
  display: grid;
  height: 36px;
  width: 36px;
  place-items: center;
  border-radius: 12px;
  background-image: linear-gradient(to bottom right, #6366f1, #22d3ee);
  color: #ffffff;
}
.logo-box-shadow {
  box-shadow:
    0 10px 15px -3px rgba(99, 102, 241, 0.25),
    0 4px 6px -4px rgba(99, 102, 241, 0.25);
}
.logo-text {
  line-height: 1.25;
}
.logo-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: #ffffff;
}
.logo-sub {
  display: block;
  font-size: 11px;
  letter-spacing: 0.025em;
  color: #71717a;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 14px;
  color: #a1a1aa;
  transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-links a:hover {
  color: #ffffff;
}
@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
#lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: #d4d4d8;
  transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
#lang-btn:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}
.nav-cta {
  display: none;
  border-radius: 9999px;
  background-color: #ffffff;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #18181b;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-cta:hover {
  background-color: #e4e4e7;
}
@media (min-width: 640px) {
  .nav-cta {
    display: block;
  }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: 144px;
  padding-bottom: 112px;
}
.hero-grid {
  pointer-events: none;
  position: absolute;
  inset: 0;
}
.hero-orb-1 {
  left: 50%;
  top: -180px;
  height: 420px;
  width: 680px;
  transform: translateX(-50%);
  background-color: rgba(79, 70, 229, 0.2);
}
.hero-orb-2 {
  right: 8%;
  top: 240px;
  height: 260px;
  width: 260px;
  background-color: rgba(6, 182, 212, 0.1);
}
.hero-container {
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.05);
  padding: 6px 16px;
  font-size: 12px;
  color: #d4d4d8;
}
.hero-badge-dot {
  height: 6px;
  width: 6px;
  border-radius: 9999px;
  background-color: #34d399;
}
.hero-title {
  margin-left: auto;
  margin-right: auto;
  margin-top: 28px;
  max-width: 768px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #ffffff;
}
@media (min-width: 640px) {
  .hero-title {
    font-size: 60px;
    line-height: 1;
  }
}
.hero-sub {
  margin-left: auto;
  margin-right: auto;
  margin-top: 24px;
  max-width: 672px;
  font-size: 16px;
  line-height: 1.625;
  color: #a1a1aa;
}
@media (min-width: 640px) {
  .hero-sub {
    font-size: 18px;
    line-height: 1.5556;
  }
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 9999px;
  background-image: linear-gradient(to right, #6366f1, #06b6d4);
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  box-shadow:
    0 10px 15px -3px rgba(79, 70, 229, 0.3),
    0 4px 6px -4px rgba(79, 70, 229, 0.3);
  transition: box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-primary:hover {
  box-shadow:
    0 10px 15px -3px rgba(99, 102, 241, 0.5),
    0 4px 6px -4px rgba(99, 102, 241, 0.5);
}
.btn-primary .icon-shift {
  transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-primary:hover .icon-shift {
  transform: translateX(2px);
}
.btn-ghost {
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 500;
  color: #e4e4e7;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background-color: rgba(255, 255, 255, 0.05);
}

/* ---- 产品示意图 ---- */
.mock-wrap {
  position: relative;
  margin: 64px auto 0;
  width: 100%;
  max-width: 896px;
}
.mock-window {
  position: relative;
  z-index: 10;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  max-width: 672px;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(11, 13, 20, 0.9);
  box-shadow: 0 25px 50px -12px rgba(49, 46, 129, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-align: left;
}
.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 12px 16px;
}
.mock-dot {
  height: 10px;
  width: 10px;
  border-radius: 9999px;
}
.mock-titlebar-label {
  margin-left: 12px;
  font-size: 12px;
  color: #71717a;
}
.mock-body {
  display: flex;
}
.mock-sidebar {
  display: none;
  width: 144px;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  padding: 16px;
}
@media (min-width: 640px) {
  .mock-sidebar {
    display: flex;
  }
}
.mock-side-item {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 8px;
  padding: 8px 10px;
  color: #52525b;
}
.mock-side-item.active {
  background-color: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}
.mock-side-bar {
  height: 6px;
  width: 48px;
  border-radius: 9999px;
  background-color: currentColor;
  opacity: 0.4;
}
.mock-main {
  flex: 1;
  padding: 16px;
}
.mock-main > * + * {
  margin-top: 12px;
}
.mock-meeting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 12px;
  border: 1px solid rgba(129, 140, 248, 0.2);
  background-color: rgba(99, 102, 241, 0.1);
  padding: 12px 16px;
}
.mock-meeting-title {
  font-size: 13px;
  font-weight: 500;
  color: #c7d2fe;
}
.mock-meeting-time {
  margin-top: 2px;
  font-size: 11px;
  color: #71717a;
}
.mock-live {
  border-radius: 9999px;
  background-color: rgba(16, 185, 129, 0.15);
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 500;
  color: #6ee7b7;
}
.mock-row {
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 12px 16px;
}
.mock-row-icon {
  height: 28px;
  width: 28px;
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
}
.mock-row-bar {
  height: 6px;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.1);
}
.mock-tablet {
  position: absolute;
  bottom: -40px;
  right: -8px;
  z-index: 20;
  display: none;
  width: 224px;
  transform: rotate(2deg);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-image: linear-gradient(to bottom right, #11141f, #0a0c13);
  padding: 6px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}
@media (min-width: 640px) {
  .mock-tablet {
    display: block;
  }
}
.mock-tablet-inner {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 24px 16px;
  text-align: center;
}
.mock-tablet-eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(103, 232, 249, 0.8);
}
.mock-tablet-name {
  margin-top: 12px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.025em;
  color: #ffffff;
}
.mock-tablet-role {
  margin-top: 4px;
  font-size: 12px;
  color: #a1a1aa;
}
.mock-tablet-divider {
  margin: 16px auto 0;
  height: 1px;
  width: 64px;
  background-image: linear-gradient(to right, transparent, rgba(34, 211, 238, 0.6), transparent);
}
.mock-topglow {
  pointer-events: none;
  position: absolute;
  left: -32px;
  right: -32px;
  top: -32px;
  height: 160px;
  background-image: linear-gradient(to bottom, rgba(99, 102, 241, 0.1), transparent);
  filter: blur(24px);
}

/* ---- 统计条 ---- */
.stats {
  margin: 96px auto 0;
  display: grid;
  max-width: 768px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.1);
}
@media (min-width: 640px) {
  .stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.stat-cell {
  background-color: #0a0c12;
  padding: 24px 16px;
}
.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  line-height: 32px;
}
@media (min-width: 640px) {
  .stat-value {
    font-size: 30px;
    line-height: 36px;
  }
}
.stat-label {
  margin-top: 4px;
  font-size: 12px;
  color: #71717a;
}
.hero-scroll {
  margin-top: 56px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #52525b;
  transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.hero-scroll:hover {
  color: #d4d4d8;
}

/* ---- 卡片通用 ---- */
.card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.card-p6 {
  padding: 24px;
}
.card-p7 {
  padding: 28px;
}
.card-plain {
  background-color: rgba(255, 255, 255, 0.03);
}
.card-grad {
  background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}
.icon-box {
  display: grid;
  place-items: center;
  border-radius: 12px;
}
.icon-box-grad {
  height: 40px;
  width: 40px;
  background-image: linear-gradient(to bottom right, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.2));
  color: #a5b4fc;
}
.card-title-lg {
  margin-top: 20px;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  line-height: 28px;
}
.card-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.625;
  color: #71717a;
}

/* ---- 单位痛点 ---- */
.pains-grid {
  margin-top: 56px;
  display: grid;
  gap: 20px;
}
@media (min-width: 640px) {
  .pains-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  .pains-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.pain-icon {
  display: grid;
  height: 44px;
  width: 44px;
  place-items: center;
  border-radius: 12px;
  border: 1px solid rgba(248, 113, 113, 0.2);
  background-color: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  transition: border-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.pain-card:hover .pain-icon {
  border-color: rgba(248, 113, 113, 0.4);
}
.pain-title {
  margin-top: 20px;
  font-size: 17px;
  font-weight: 600;
  color: #ffffff;
  line-height: 28px;
}

/* ---- 解决方案 ---- */
.solution-orb {
  left: 5%;
  top: 30%;
  height: 300px;
  width: 300px;
  background-color: rgba(79, 70, 229, 0.1);
}
.solution-grid {
  margin-top: 56px;
  display: grid;
  gap: 20px;
}
@media (min-width: 768px) {
  .solution-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  .solution-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .sol-span-3 {
    grid-column: span 3 / span 3;
  }
  .sol-span-2 {
    grid-column: span 2 / span 2;
  }
}
.sol-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sol-chip {
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.025em;
  color: #a1a1aa;
}

/* ---- 部署流程 ---- */
.flow-grid {
  position: relative;
  margin-top: 64px;
  display: grid;
  gap: 40px;
}
@media (min-width: 768px) {
  .flow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}
.flow-connector {
  pointer-events: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 28px;
  display: none;
  height: 1px;
  background-image: linear-gradient(to right, rgba(99, 102, 241, 0), rgba(99, 102, 241, 0.4), rgba(34, 211, 238, 0));
}
@media (min-width: 768px) {
  .flow-connector {
    display: block;
  }
}
.flow-step {
  position: relative;
  text-align: center;
}
@media (min-width: 768px) {
  .flow-step {
    padding-left: 16px;
    padding-right: 16px;
  }
}
.flow-num {
  position: relative;
  z-index: 10;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  height: 56px;
  width: 56px;
  place-items: center;
  border-radius: 16px;
  border: 1px solid rgba(129, 140, 248, 0.3);
  background-color: #0b0d16;
  font-size: 18px;
  font-weight: 700;
  color: #a5b4fc;
  box-shadow:
    0 10px 15px -3px rgba(49, 46, 129, 0.5),
    0 4px 6px -4px rgba(49, 46, 129, 0.5);
}
.flow-title {
  margin-top: 24px;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  line-height: 28px;
}
.flow-desc {
  margin: 10px auto 0;
  max-width: 320px;
  font-size: 14px;
  line-height: 1.625;
  color: #71717a;
}

/* ---- 国产化 ---- */
.xinchuang-orb {
  right: 6%;
  top: 18%;
  height: 320px;
  width: 320px;
  background-color: rgba(6, 182, 212, 0.1);
}
.xinchuang-grid {
  margin-top: 56px;
  display: grid;
  gap: 20px;
}
@media (min-width: 1024px) {
  .xinchuang-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .matrix-card {
    grid-column: span 2 / span 2;
  }
  .xinchuang-cards {
    grid-column: span 3 / span 3;
  }
}
.matrix-title {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  line-height: 24px;
}
.matrix-table {
  margin-top: 20px;
  width: 100%;
  text-align: left;
  font-size: 14px;
}
.matrix-table th {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 12px;
  padding-right: 8px;
  font-size: 12px;
  font-weight: 500;
  color: #71717a;
}
.matrix-table th:last-child {
  padding-right: 0;
}
.matrix-table tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.matrix-table tbody tr:last-child {
  border-bottom: 0;
}
.matrix-table td {
  padding-top: 14px;
  padding-bottom: 14px;
  padding-right: 8px;
  color: #a1a1aa;
}
.matrix-table td:first-child {
  font-weight: 500;
  color: #e4e4e7;
}
.matrix-table td:last-child {
  padding-right: 0;
  color: #67e8e9;
}
.chips-label {
  margin-top: 28px;
  font-size: 12px;
  color: #52525b;
}
.chips {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  border-radius: 9999px;
  border: 1px solid rgba(34, 211, 238, 0.2);
  background-color: rgba(34, 211, 238, 0.1);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: #a5f3fc;
}
.xinchuang-cards {
  display: grid;
  gap: 20px;
}
@media (min-width: 640px) {
  .xinchuang-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.xc-title {
  margin-top: 16px;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  line-height: 24px;
}
.xc-desc {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.625;
  color: #71717a;
}
.xinchuang-cta {
  margin-top: 40px;
  text-align: center;
}
.btn-primary-sm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 9999px;
  background-image: linear-gradient(to right, #6366f1, #22d3ee);
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  box-shadow:
    0 10px 15px -3px rgba(99, 102, 241, 0.25),
    0 4px 6px -4px rgba(99, 102, 241, 0.25);
  transition: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-primary-sm:hover {
  opacity: 0.9;
}

/* ---- 自助下载 ---- */
.download-orb {
  left: 50%;
  top: 10%;
  height: 300px;
  width: 560px;
  transform: translateX(-50%);
  background-color: rgba(6, 182, 212, 0.1);
}
.dl-error {
  margin: 40px auto 0;
  max-width: 448px;
  border-radius: 12px;
  border: 1px solid rgba(251, 191, 36, 0.2);
  background-color: rgba(245, 158, 11, 0.1);
  padding: 12px 16px;
  text-align: center;
  font-size: 14px;
  color: #fde68a;
}
.dl-loading {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: #71717a;
}
.dl-grid {
  margin: 56px auto 0;
  display: grid;
  max-width: 1024px;
  gap: 24px;
}
@media (min-width: 768px) {
  .dl-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.dl-card {
  display: flex;
  flex-direction: column;
}
.dl-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.dl-icon {
  display: grid;
  height: 44px;
  width: 44px;
  place-items: center;
  border-radius: 12px;
  flex-shrink: 0;
}
.dl-icon-win {
  background-color: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}
.dl-icon-android {
  background-color: rgba(6, 182, 212, 0.15);
  color: #67e8e9;
}
.dl-icon-host {
  background-color: rgba(244, 63, 94, 0.15);
  color: #fda4af;
}
.dl-icon-linux {
  background-color: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
}
.dl-title {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  line-height: 24px;
}
.dl-req {
  font-size: 12px;
  color: #52525b;
}
.dl-desc {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.625;
  color: #71717a;
}
.dl-meta {
  margin-top: 20px;
  flex: 1 1 0%;
}
.dl-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 8px;
  padding-bottom: 8px;
}
.dl-row:last-child {
  border-bottom: 0;
}
.dl-label {
  flex-shrink: 0;
  font-size: 12px;
  color: #52525b;
}
.dl-value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  color: #d4d4d8;
}
.dl-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
}
.dl-btn {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.dl-btn-flex {
  flex: 1 1 0%;
  margin-top: 0;
}
.dl-btn.is-disabled,
.linux-btn.is-disabled {
  cursor: not-allowed;
  background-color: rgba(255, 255, 255, 0.05);
  color: #52525b;
}
.dl-btn.is-win {
  background-image: linear-gradient(to right, #6366f1, #06b6d4);
  color: #ffffff;
  box-shadow:
    0 10px 15px -3px rgba(79, 70, 229, 0.25),
    0 4px 6px -4px rgba(79, 70, 229, 0.25);
}
.dl-btn.is-win:hover {
  box-shadow:
    0 10px 15px -3px rgba(99, 102, 241, 0.4),
    0 4px 6px -4px rgba(99, 102, 241, 0.4);
}
.dl-btn.is-android {
  background-image: linear-gradient(to right, #06b6d4, #10b981);
  color: #ffffff;
  box-shadow:
    0 10px 15px -3px rgba(8, 145, 178, 0.25),
    0 4px 6px -4px rgba(8, 145, 178, 0.25);
}
.dl-btn.is-android:hover {
  box-shadow:
    0 10px 15px -3px rgba(6, 182, 212, 0.4),
    0 4px 6px -4px rgba(6, 182, 212, 0.4);
}
.dl-btn.is-host {
  background-image: linear-gradient(to right, #f43f5e, #f97316);
  color: #ffffff;
  box-shadow:
    0 10px 15px -3px rgba(225, 29, 72, 0.25),
    0 4px 6px -4px rgba(225, 29, 72, 0.25);
}
.dl-btn.is-host:hover {
  box-shadow:
    0 10px 15px -3px rgba(244, 63, 94, 0.4),
    0 4px 6px -4px rgba(244, 63, 94, 0.4);
}
.dl-actions-row {
  margin-top: 24px;
  display: flex;
  align-items: flex-end;
  gap: 16px;
}
.dl-qr {
  display: none;
  flex-shrink: 0;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
@media (min-width: 640px) {
  .dl-qr {
    display: flex;
  }
}
.dl-qr img {
  height: 84px;
  width: 84px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.dl-qr-tip {
  font-size: 10px;
  color: #52525b;
}
.linux-btns {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.linux-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.linux-btn.is-active {
  border: 1px solid rgba(52, 211, 153, 0.25);
  background-color: rgba(16, 185, 129, 0.1);
  color: #a7f3d0;
}
.linux-btn.is-active:hover {
  background-color: rgba(16, 185, 129, 0.2);
}
.linux-faq {
  margin-top: 16px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(255, 255, 255, 0.02);
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.625;
  color: #71717a;
}
.dl-notes {
  margin: 32px auto 0;
  display: grid;
  max-width: 896px;
  gap: 16px;
}
.first-install {
  display: flex;
  gap: 14px;
  border-radius: 16px;
  border: 1px solid rgba(251, 191, 36, 0.2);
  background-color: rgba(245, 158, 11, 0.07);
  padding: 20px;
}
.first-install-icon {
  margin-top: 2px;
  flex-shrink: 0;
  color: #fcd34d;
}
.first-install-title {
  font-size: 14px;
  font-weight: 600;
  color: #fde68a;
}
.first-install-body {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.625;
  color: rgba(254, 243, 199, 0.7);
}
.verify-tip {
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(255, 255, 255, 0.02);
  padding: 16px 20px;
}
.verify-tip-icon {
  flex-shrink: 0;
  color: #34d399;
}
.verify-tip p {
  font-size: 13px;
  color: #71717a;
}
.dl-final-tip {
  text-align: center;
  font-size: 12px;
  color: #3f3f46;
}

/* ---- 页脚 ---- */
.footer {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 56px;
  padding-bottom: 56px;
}
.footer-grid {
  margin-left: auto;
  margin-right: auto;
  display: grid;
  max-width: 1152px;
  gap: 40px;
  padding-left: 20px;
  padding-right: 20px;
}
@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-tagline {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  line-height: 24px;
}
.footer-company {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #71717a;
}
.footer-company-icon {
  flex-shrink: 0;
  color: #52525b;
}
.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #52525b;
}
.footer-links {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.footer-links a {
  font-size: 14px;
  color: #71717a;
  transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.footer-links a:hover {
  color: #ffffff;
}
.footer-links a.footer-admin {
  color: #52525b;
}
.footer-links a.footer-admin:hover {
  color: #d4d4d8;
}
.footer-links a.footer-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #a1a1aa;
  transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
.footer-links a.footer-phone:hover {
  color: #67e8e9;
}
.footer-phone-icon {
  display: grid;
  height: 28px;
  width: 28px;
  place-items: center;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.05);
  color: #67e8e9;
}
.footer-phone-num {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  letter-spacing: 0.025em;
}
.footer-bottom {
  margin: 48px auto 0;
  max-width: 1152px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 24px 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: #3f3f46;
}