/* 云序产品展示页 · 深色控制台方向 */

:root {
  --bg: #0a0c11;
  --bg-2: #0c0f15;
  --panel: #121722;
  --panel-2: #0f141d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #eef1f7;
  --muted: #9aa4b4;
  --dim: #8b95a7;
  --brand: #7b6cff;
  --brand-2: #4d8dff;
  --warm: #ff6a3d;
  --green: #4ade80;
  --radius: 18px;
  --wrap: 1180px;
  --font: "Inter", "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-top: 68px;
  overflow-x: hidden;
}

img { max-width: 100%; }

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

::selection { background: rgba(123, 108, 255, 0.35); color: #fff; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: #fff;
  color: #111;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

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

/* ---------- 顶部 ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 68px;
  background: rgba(10, 12, 17, 0.55);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 0.25s ease, border-color 0.25s ease;
}
.site-header.is-scrolled {
  background: rgba(10, 12, 17, 0.86);
  border-bottom-color: var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
}

.brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 6px;
  border-radius: 9px;
  background: #171c26;
  border: 1px solid var(--line-strong);
}
.brand-mark i { display: block; border-radius: 2px; }
.brand-mark i:nth-child(1) { background: #7b6cff; }
.brand-mark i:nth-child(2) { background: #4d8dff; }
.brand-mark i:nth-child(3) { background: #ff6a3d; }
.brand-mark i:nth-child(4) { background: #ffb020; }
.brand-mark.small { width: 26px; height: 26px; padding: 5px; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
}
.brand-text span {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--dim);
  margin-top: 3px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  color: var(--muted);
}
.site-nav a {
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.site-nav a:hover { color: var(--text); }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transition: right 0.25s ease;
}
.site-nav a:hover::after { right: 0; }

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: transform 0.18s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: #f4f6fb;
  color: #0b0d12;
  box-shadow: 0 8px 24px rgba(244, 246, 251, 0.12);
}
.btn-primary:hover {
  background: #fff;
  box-shadow: 0 10px 32px rgba(244, 246, 251, 0.2);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.24);
}
.btn-sm { height: 38px; padding: 0 16px; font-size: 13.5px; border-radius: 10px; }

/* ---------- 首屏 ---------- */

.hero {
  position: relative;
  padding: 76px 0 104px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: -220px -10% auto;
  height: 760px;
  pointer-events: none;
  background:
    radial-gradient(46% 52% at 74% 30%, rgba(123, 108, 255, 0.28), transparent 70%),
    radial-gradient(36% 42% at 14% 22%, rgba(255, 106, 61, 0.12), transparent 72%),
    radial-gradient(40% 40% at 52% 4%, rgba(77, 141, 255, 0.16), transparent 70%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(70% 60% at 50% 20%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 20%, #000 20%, transparent 78%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow .pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.12);
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 3.6vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.035em;
  font-weight: 700;
}

.grad {
  background: linear-gradient(96deg, #b7adff 0%, #7f9cff 42%, #ff9a6b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lead {
  margin: 22px 0 0;
  max-width: 30em;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  color: var(--dim);
}
.hero-meta li {
  position: relative;
  padding-left: 14px;
}
.hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-50%);
}

/* ---------- 首屏控制台视觉 ---------- */

.hero-visual {
  position: relative;
  min-width: 0;
}

.console {
  position: relative;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, #171d28, #0e131c);
  box-shadow:
    0 50px 100px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 0 90px rgba(123, 108, 255, 0.14);
  overflow: hidden;
}
.console::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.08), transparent 28%);
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: var(--muted);
}
.console-dots { display: inline-flex; gap: 5px; }
.console-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}
.console-title { font-family: var(--mono); letter-spacing: 0.02em; }
.console-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-size: 11px;
}
.console-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.8);
}

.console-body { background: #fff; }
.console-body img { display: block; width: 100%; height: auto; }

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 15px 11px 11px;
  border-radius: 13px;
  background: rgba(16, 21, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.float-card b { display: block; font-size: 13px; line-height: 1.3; }
.float-card small { display: block; font-size: 11px; color: var(--dim); line-height: 1.4; }
.fc-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #cfd6ff;
  background: linear-gradient(145deg, rgba(123, 108, 255, 0.3), rgba(77, 141, 255, 0.12));
  border: 1px solid rgba(123, 108, 255, 0.3);
}
.fc-icon svg { width: 17px; height: 17px; }
.float-a { left: -26px; bottom: -20px; animation: drift 7s ease-in-out infinite; }
.float-b { right: -22px; top: 44px; animation: drift 8.5s ease-in-out infinite reverse; }

@keyframes drift {
  50% { transform: translateY(-6px); }
}

/* ---------- 通用区块 ---------- */

.section { padding: 104px 0; }
.section-alt {
  background:
    radial-gradient(50% 60% at 50% 0%, rgba(123, 108, 255, 0.06), transparent 70%),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head { max-width: 720px; margin-bottom: 46px; }
.section-head h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}
.section-sub {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 44em;
}

/* ---------- 产品矩阵 ---------- */

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 0% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 58%),
    linear-gradient(180deg, #141a24, #0f141d);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.product-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 70%, transparent), transparent);
  opacity: 0.55;
}
.product-card:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--line));
  transform: translateY(-3px);
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.8);
}

.accent-purple { --accent: #7b6cff; }
.accent-orange { --accent: #ff6a3d; }
.accent-amber { --accent: #ffb020; }
.accent-red { --accent: #ff4d4f; }

.product-big {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 34px;
  align-items: center;
  padding: 30px;
}
.big-main { display: flex; flex-direction: column; min-width: 0; }
.big-visual { display: grid; gap: 10px; min-width: 0; }

.mini-screen {
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0d1118;
  overflow: hidden;
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
}
.mini-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.mini-bar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}
.mini-bar span {
  margin-left: 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--dim);
  letter-spacing: 0.05em;
}
.mini-screen img { display: block; width: 100%; height: auto; }

.pc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.product-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  overflow: hidden;
  background: #0b0e13;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 26px -12px color-mix(in srgb, var(--accent) 80%, transparent);
  flex: none;
}
.product-icon img { display: block; width: 100%; height: 100%; }
.product-icon.icon-lg { width: 62px; height: 62px; border-radius: 16px; }
.product-icon.has-badge { position: relative; overflow: visible; }
.product-icon.has-badge img { border-radius: 12px; }
.play-badge {
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #171c26;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font-size: 8px;
  font-style: normal;
  padding-left: 1px;
}

.platform-tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim);
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

.product-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.product-big h3 { font-size: 27px; }

.pc-desc {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 18px;
}
.tag-row span {
  font-size: 12px;
  color: #cfd6e2;
  padding: 3px 10px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.channel-block { margin-bottom: 18px; }
.mini-label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}
.channel-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.channel-row span {
  font-size: 11.5px;
  color: color-mix(in srgb, var(--accent) 70%, #fff);
  padding: 4px 9px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

.points {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.points li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
}
.points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: color-mix(in srgb, var(--accent) 80%, #fff);
  font-size: 12px;
}

.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 600;
  color: color-mix(in srgb, var(--accent) 74%, #fff);
}
.card-link span { transition: transform 0.2s ease; }
.card-link:hover span { transform: translateX(4px); }

/* ---------- 能力 ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature {
  padding: 24px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 26, 36, 0.8), rgba(15, 20, 29, 0.8));
  transition: border-color 0.25s ease, background 0.25s ease;
}
.feature:hover {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(23, 30, 42, 0.9), rgba(16, 21, 30, 0.9));
}
.feature-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  border-radius: 10px;
  color: #b9c4ff;
  background: rgba(123, 108, 255, 0.09);
  border: 1px solid rgba(123, 108, 255, 0.18);
}
.feature-icon svg { width: 20px; height: 20px; }
.feature h3 {
  margin: 0 0 7px;
  font-size: 16px;
  letter-spacing: 0;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 界面 ---------- */

.screen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.screen-card { margin: 0; }

.screen-frame {
  border-radius: 13px;
  border: 1px solid var(--line);
  background: #0d1118;
  overflow: hidden;
  box-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.9);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.screen-card:hover .screen-frame {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.screen-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 32px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
}
.screen-bar i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}
.screen-bar span {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.06em;
}
.screen-frame img { display: block; width: 100%; height: auto; }

.screen-card figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 13px 2px 0;
  font-size: 13px;
  color: var(--muted);
}
.screen-card figcaption b { color: var(--text); font-size: 13.5px; font-weight: 600; }

/* ---------- 购买 ---------- */

.section-buy {
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(123, 108, 255, 0.08), transparent 70%),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.buy-list { display: grid; gap: 10px; }

.buy-row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 16px 18px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: rgba(18, 23, 34, 0.72);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.buy-row:hover {
  border-color: var(--line-strong);
  background: rgba(21, 27, 39, 0.86);
}
.buy-info h3 {
  margin: 0;
  font-size: 15.5px;
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex-wrap: wrap;
}
.ver {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  color: var(--dim);
  letter-spacing: 0.04em;
}
.buy-info p {
  margin: 3px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.buy-note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--dim);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 44px;
}
.step {
  padding: 22px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: rgba(16, 21, 30, 0.6);
}
.step-no {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brand);
  letter-spacing: 0.14em;
}
.step h3 { margin: 8px 0 5px; font-size: 15.5px; }
.step p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

/* ---------- FAQ ---------- */

.faq-wrap { max-width: 880px; }

.faq {
  display: grid;
  gap: 8px;
}
.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(18, 23, 34, 0.55);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.faq details[open] { border-color: var(--line-strong); background: rgba(20, 26, 36, 0.8); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  font-size: 14.5px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 18px;
  color: var(--dim);
  transition: transform 0.2s ease, color 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); color: var(--text); }
.faq p {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}

/* ---------- 页脚 ---------- */

.site-footer {
  padding: 38px 0;
  border-top: 1px solid var(--line);
  background: #080a0e;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}
.footer-brand b { display: block; font-size: 13.5px; }
.footer-brand span { display: block; font-size: 11.5px; color: var(--dim); }
.footer-meta {
  display: flex;
  gap: 22px;
  font-size: 11.5px;
  color: var(--dim);
  flex-wrap: wrap;
}

/* ---------- 出现动画 ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn, .product-card, .screen-frame { transition: none; }
  .float-card { animation: none; }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 54px; }
  .hero-copy { max-width: 640px; }
  .hero-visual { max-width: 760px; width: 100%; }
  .float-a { left: 12px; bottom: -18px; }
  .float-b { right: 12px; top: 26px; }
  .matrix-grid { grid-template-columns: 1fr; }
  .product-big { grid-column: auto; grid-template-columns: 1fr; gap: 24px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .screen-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { padding-top: 60px; }
  .site-header { height: 60px; }
  .site-nav { display: none; }
  .header-inner { gap: 12px; }
  .btn-sm { height: 36px; padding: 0 13px; }

  .wrap { width: calc(100% - 32px); }
  .hero { padding: 46px 0 72px; }
  h1 { font-size: clamp(1.8rem, 8vw, 2.15rem); }
  .hero .lead { font-size: 15px; }
  .hero-actions .btn { flex: 1; }
  .float-card { display: none; }
  .console { border-radius: 13px; }
  .console-bar { height: 34px; }

  .section { padding: 72px 0; }
  .section-head { margin-bottom: 32px; }
  .section-sub { font-size: 14.5px; }

  .product-card, .product-big { padding: 22px; }
  .product-big h3 { font-size: 23px; }

  .feature-grid { grid-template-columns: 1fr; }
  .feature { padding: 20px; }

  .buy-row { grid-template-columns: 42px minmax(0, 1fr); gap: 14px; padding: 15px; }
  .buy-row .btn { grid-column: 1 / -1; width: 100%; }
  .steps { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ===== A v2：过验证接口 / 账号列表 / 具体能力 ===== */

section[id] { scroll-margin-top: 84px; }

.nav-verify { color: var(--text); }
.nav-verify i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--warm);
  box-shadow: 0 0 0 3px rgba(255, 106, 61, 0.14);
  margin-right: 7px;
  vertical-align: 1px;
}
.nav-verify::after { background: linear-gradient(90deg, var(--warm), #ffb020); }

.hero-flag {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 18px;
  padding: 6px 12px 6px 6px;
  border: 1px solid rgba(255, 106, 61, 0.42);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 106, 61, 0.13), rgba(255, 106, 61, 0.03));
  font-size: 12.5px;
  line-height: 1.4;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.hero-flag:hover {
  border-color: rgba(255, 106, 61, 0.75);
  background: linear-gradient(90deg, rgba(255, 106, 61, 0.2), rgba(255, 106, 61, 0.05));
}
.flag-tag {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--warm);
  color: #1b0d07;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.flag-text { color: var(--text); font-weight: 600; }
.flag-sub { color: #ffb79c; font-size: 11px; }
.hero .lead b { color: #ffb79c; font-weight: 600; }

.float-verify {
  border-color: rgba(255, 106, 61, 0.55);
  background: rgba(32, 22, 19, 0.92);
  box-shadow: 0 18px 40px rgba(255, 106, 61, 0.16);
  padding: 13px 17px 13px 12px;
}
.float-verify .fc-icon {
  color: #ffd9c7;
  background: linear-gradient(145deg, rgba(255, 106, 61, 0.38), rgba(255, 176, 32, 0.14));
  border-color: rgba(255, 106, 61, 0.38);
}

.product-card.is-featured { border-color: rgba(255, 106, 61, 0.3); }
.product-card.is-featured::after {
  background: linear-gradient(90deg, transparent, rgba(255, 106, 61, 0.8), transparent);
  opacity: 0.85;
}
.is-featured .pc-top { justify-content: flex-start; }
.is-featured .platform-tag { margin-left: auto; }
.card-flag {
  margin-left: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--warm);
  color: #1b0d07;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.title-note {
  display: inline-block;
  margin-left: 8px;
  color: #ffb79c;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0;
  vertical-align: 3px;
}
.verify-points { margin-bottom: 20px; }
.verify-points li { font-size: 13.5px; }
.verify-points li b { color: var(--text); font-weight: 600; }

.verify-panel {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(130% 100% at 0 0, rgba(255, 106, 61, 0.09), transparent 58%),
    rgba(10, 14, 20, 0.72);
  padding: 15px;
}
.vp-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
  text-transform: uppercase;
}
.vp-head span:last-child { color: #ffb79c; }
.vp-list { list-style: none; margin: 6px 0 0; padding: 0; }
.vp-list li {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 9px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
}
.vp-list li:last-child { border-bottom: 0; }
.vp-list li > span {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
}
.vp-list b { display: block; font-size: 13.5px; line-height: 1.35; }
.vp-list small { display: block; font-size: 10.5px; color: var(--dim); line-height: 1.5; }
.vp-list em {
  font-style: normal;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--warm);
  color: #1b0d07;
  font-size: 9px;
  font-weight: 700;
}
.vp-list .is-key {
  margin-bottom: 6px;
  border: 1px solid rgba(255, 106, 61, 0.28);
  border-radius: 8px;
  background: rgba(255, 106, 61, 0.1);
}
.vp-list .is-key b { color: #ffb79c; font-size: 14.5px; }

.section-account { border-top: 1px solid var(--line); }
.account-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}
.account-points li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding-top: 10px;
  border-top: 1px solid var(--line-strong);
  font-size: 13px;
  color: var(--muted);
}
.account-points b {
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}
.account-shot { margin: 0; }
.account-shot .screen-frame { border-radius: 13px; }
.account-shot img { display: block; width: 100%; height: auto; }
.account-shot figcaption {
  padding: 11px 2px 0;
  font-size: 12.5px;
  color: var(--dim);
}

.feature-grid { grid-template-columns: repeat(4, 1fr); }
.feature-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border: 1px solid rgba(255, 106, 61, 0.35);
  border-radius: 4px;
  color: #ffb79c;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.04em;
  vertical-align: 2px;
}

.buy-row.is-verify {
  border-left: 3px solid var(--warm);
  background: linear-gradient(90deg, rgba(255, 106, 61, 0.075), rgba(18, 23, 34, 0.72) 32%);
}
.verify-chip {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid rgba(255, 106, 61, 0.4);
  background: rgba(255, 106, 61, 0.1);
  color: #ffb79c;
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0;
  white-space: nowrap;
}

@media (max-width: 1080px) {
  .site-nav { gap: 16px; font-size: 13px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .account-points { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  section[id] { scroll-margin-top: 76px; }
  .flag-sub { display: none; }
  .hero-flag { font-size: 11.5px; }
  .feature-grid { grid-template-columns: 1fr; }
  .account-points { grid-template-columns: 1fr; }
  .account-shot .screen-frame { overflow-x: auto; }
  .account-shot img { width: 760px; max-width: none; }
  .vp-list b { font-size: 13px; }
  .title-note { display: block; margin: 6px 0 0; }
}

/* A v2 收口 */
.hero-flag {
  font-size: 13px;
  padding: 8px 14px 8px 7px;
  box-shadow: 0 0 34px rgba(255, 106, 61, 0.1);
}
.flag-text { font-size: 13px; }
.flag-sub { font-size: 11.5px; }
.account-hint { display: none; margin: 8px 0 0; font-size: 11.5px; color: var(--dim); }

@media (max-width: 760px) {
  .hero-flag {
    flex-wrap: nowrap;
    white-space: nowrap;
    gap: 7px;
    padding: 5px 10px 5px 5px;
  }
  .flag-tag { padding: 2px 7px; }
  .flag-text { font-size: 12px; }
  .account-hint { display: block; }
}

.flag-arrow {
  color: #ffb79c;
  font-size: 13px;
  transition: transform 0.2s ease;
}
.hero-flag:hover .flag-arrow { transform: translateX(3px); }
@media (max-width: 760px) {
  .flag-arrow { display: none; }
}

/* 主推标签独占一行；通道列表融进百家卡，不再套一层卡片 */
.hero-flag {
  display: flex;
  width: fit-content;
  max-width: 100%;
}
.verify-panel {
  border: 0;
  border-left: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  padding: 0 0 0 24px;
}
.vp-head {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}
.vp-list .is-key {
  margin: 6px 0 8px -10px;
  padding-left: 10px;
  border: 0;
  border-left: 3px solid var(--warm);
  border-radius: 0;
  background: linear-gradient(90deg, rgba(255, 106, 61, 0.13), transparent 85%);
}
#baijiahao { scroll-margin-top: 84px; }

@media (max-width: 1080px) {
  .verify-panel {
    border-left: 0;
    border-top: 1px solid var(--line-strong);
    padding: 16px 0 0;
  }
  .vp-list .is-key { margin-left: 0; padding-left: 10px; }
  #baijiahao { scroll-margin-top: 76px; }
}

/* 下载与试用卡 */
.section-download { border-top: 1px solid var(--line); }
.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.download-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(18, 23, 34, 0.7);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.download-card:hover {
  border-color: var(--line-strong);
  background: rgba(21, 27, 39, 0.88);
}
.download-info h3 {
  margin: 0;
  font-size: 15px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.download-info p {
  margin: 3px 0 0;
  font-size: 12px;
  color: var(--muted);
}
.download-btn { min-width: 74px; }

.trial-card {
  margin-top: 14px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 106, 61, 0.38);
  border-radius: 15px;
  background:
    radial-gradient(90% 140% at 0 0, rgba(255, 106, 61, 0.14), transparent 62%),
    rgba(20, 16, 18, 0.8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.trial-copy { max-width: 560px; }
.trial-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--warm);
  color: #1b0d07;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.trial-copy h3 { margin: 0 0 5px; font-size: 20px; letter-spacing: -0.01em; }
.trial-copy p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: #ffd0bd;
}
.contact-list span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 106, 61, 0.25);
  border-radius: 7px;
  background: rgba(255, 106, 61, 0.06);
  white-space: nowrap;
}

@media (max-width: 1080px) {
  .download-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .download-card { grid-template-columns: 42px minmax(0, 1fr); padding: 14px; }
  .download-card .download-btn { grid-column: 1 / -1; width: 100%; }
  .trial-card { padding: 18px; gap: 18px; }
  .contact-list { width: 100%; }
  .contact-list span { white-space: normal; }
}

/* 试用卡右侧二维码位 */
.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: none;
}
.qr-frame {
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(255, 106, 61, 0.45);
  border-radius: 10px;
  background: #f4f2ee;
  color: #8a8176;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.qr-box p { margin: 0; font-size: 11.5px; color: var(--dim); }
@media (max-width: 760px) {
  .qr-box { width: 100%; }
}

.qr-frame { color: #5f574d; }

.download-help { margin: 12px 0 0; font-size: 13px; }
.download-help a { color: #ffb79c; border-bottom: 1px solid rgba(255, 183, 156, 0.35); padding-bottom: 2px; }
.download-help a:hover { border-bottom-color: #ffb79c; }

/* 产品下拉：发布工具 / 账号管家 / 聚合搜索 */
.nav-product { position: relative; display: flex; align-items: center; }
.nav-product-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: color 0.2s ease;
}
.nav-product-trigger:hover,
.nav-product.is-open .nav-product-trigger { color: var(--text); }
.nav-product-trigger svg { width: 9px; height: 9px; transition: transform 0.2s ease; }
.nav-product.is-open .nav-product-trigger svg { transform: rotate(180deg); }

.product-menu {
  position: absolute;
  top: calc(100% + 16px);
  left: -16px;
  z-index: 70;
  width: 330px;
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: #121722;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.55);
}
.product-menu[hidden] { display: none; }
.product-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
}
.product-menu-item:hover { background: rgba(255, 255, 255, 0.05); }
.product-menu-item.is-active {
  border-color: rgba(255, 106, 61, 0.25);
  background: rgba(255, 106, 61, 0.08);
}
.product-menu-item.is-soon { opacity: 0.55; cursor: default; }
.pm-mark {
  width: 34px;
  height: 34px;
  flex: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 7px;
  border-radius: 9px;
  border: 1px solid var(--line-strong);
  background: #171c26;
}
.pm-mark i { border-radius: 2px; }
.pm-mark i:nth-child(1) { background: #7b6cff; }
.pm-mark i:nth-child(2) { background: #4d8dff; }
.pm-mark i:nth-child(3) { background: #ff6a3d; }
.pm-mark i:nth-child(4) { background: #ffb020; }
.pm-icon {
  width: 34px;
  height: 34px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--dim);
}
.pm-icon svg { width: 17px; height: 17px; }
.pm-copy { min-width: 0; }
.pm-copy b { display: block; color: var(--text); font-size: 13.5px; line-height: 1.35; }
.pm-copy small { display: block; color: var(--dim); font-size: 11px; line-height: 1.5; margin-top: 1px; }
.product-menu-item em {
  margin-left: auto;
  flex: none;
  font-style: normal;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  color: var(--dim);
}
.product-menu-item.is-active em { color: #ffb79c; }

/* 即将上线项不要用整体透明度，否则小字对比度不够 */
.product-menu-item.is-soon { opacity: 1; cursor: default; }
.product-menu-item.is-soon:hover { background: transparent; }
.product-menu-item.is-soon .pm-copy b { color: var(--muted); }
.product-menu-item.is-soon .pm-copy small,
.product-menu-item.is-soon em,
.product-menu-item.is-soon .pm-icon { color: var(--dim); }

/* 二维码实图 */
.qr-frame {
  border: 1px solid rgba(255, 106, 61, 0.45);
  padding: 0;
  overflow: hidden;
  background: #fff;
}
.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.qr-frame { width: 156px; height: 156px; }

/* 下载按钮的地址来自授权平台，加载前先禁用 */
.download-btn[aria-disabled="true"] {
  opacity: 0.42;
  pointer-events: none;
}
.download-status {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: #ffb79c;
}
.download-status.is-error { color: #ff9a86; }