:root {
  --bg: #06090c;
  --bg-elev: #0b1116;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #e9eff3;
  --text-soft: #b7c3cc;
  --muted: #8694a0;
  --accent: #2fb3a6;
  --accent-bright: #6ee7d2;
  --accent-dim: rgba(47, 179, 166, 0.14);
  --warn: #f0b45c;
  --warn-dim: rgba(240, 180, 92, 0.14);
  --radius: 14px;
  --wrap: 1180px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --font: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", Consolas, "Courier New", monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(47, 179, 166, 0.16), transparent 62%),
    radial-gradient(760px 460px at 88% 4%, rgba(56, 108, 255, 0.1), transparent 60%),
    linear-gradient(180deg, #06090c 0%, #06090c 55%, #05080a 100%);
}

body > * { position: relative; z-index: 1; }

a { color: var(--accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  padding: 0.12em 0.42em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
}

h1, h2, h3, h4 {
  margin: 0 0 0.55em;
  line-height: 1.22;
  letter-spacing: -0.015em;
  font-weight: 650;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.16rem; }
h4 { font-size: 1.02rem; }

p { margin: 0 0 0.9em; color: var(--text-soft); }

.wrap {
  width: min(100% - 40px, var(--wrap));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  padding: 10px 16px;
  background: var(--accent);
  color: #03100f;
  border-radius: 8px;
  z-index: 40;
}
.skip-link:focus { left: 16px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(6, 9, 12, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 66px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--accent), #1d6f68);
  color: #04100f;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: 0 6px 18px rgba(47, 179, 166, 0.28);
}
.brand-mark.small { width: 30px; height: 30px; font-size: 0.95rem; }

.brand-text {
  display: flex;
  flex-direction: column;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.15;
}
.brand-text small {
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.nav {
  display: flex;
  gap: 4px;
  margin-left: 8px;
  flex-wrap: wrap;
}

.nav-link {
  padding: 8px 12px;
  border-radius: 9px;
  color: var(--text-soft);
  font-size: 0.92rem;
  white-space: nowrap;
}
.nav-link:hover { background: var(--surface); color: var(--text); text-decoration: none; }
.nav-link.active { color: var(--text); background: var(--surface-2); }

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.link-quiet { color: var(--muted); font-size: 0.85rem; }
.link-quiet:hover { color: var(--text-soft); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 11px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #1f8f85 100%);
  color: #04100f;
  box-shadow: 0 10px 26px rgba(47, 179, 166, 0.26);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--accent-bright), var(--accent)); }

.btn-quiet {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-quiet:hover { background: var(--surface-2); }

.btn-disabled {
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  cursor: not-allowed;
}
.btn-disabled:hover { transform: none; }

.btn-sm { padding: 8px 14px; font-size: 0.85rem; border-radius: 9px; }
.btn-lg { padding: 14px 26px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- 通用 ---------- */
.section { padding: 62px 0 8px; }

.section-head { margin-bottom: 28px; max-width: 780px; }
.section-head h2 { margin-bottom: 10px; }
.section-note { font-size: 0.94rem; color: var(--muted); }

.kicker {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-bright);
  font-weight: 600;
}

.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  background: var(--surface);
}

p.lede {
  font-size: 1.06rem;
  color: var(--text-soft);
  max-width: 62ch;
}

.fineprint { font-size: 0.82rem; color: var(--muted); margin-top: 12px; }
.muted { color: var(--muted); }
.small { font-size: 0.84rem; }

/* ---------- 首屏 ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 54px;
  align-items: center;
  padding: 76px 0 28px;
}

.hero h1 {
  margin-bottom: 18px;
  font-size: clamp(2.4rem, 5vw, 3.85rem);
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent-bright), #8fd8ff 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

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

.mock-window {
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: linear-gradient(160deg, #10171d, #0a0f13 70%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.mock-logo {
  display: grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: 7px;
  background: var(--accent);
  color: #04100f;
  font-size: 0.78rem;
  font-weight: 800;
}
.mock-title { font-size: 0.78rem; font-weight: 600; color: var(--text-soft); }

.mock-search {
  flex: 1;
  margin-left: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  color: var(--muted);
  font-size: 0.74rem;
}

.mock-dots { display: flex; gap: 5px; }
.mock-dots i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--line-strong);
}

.mock-main { display: grid; grid-template-columns: 132px 1fr; min-height: 268px; }

.mock-side {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  border-right: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.16);
}
.mock-cat {
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 0.74rem;
  color: var(--muted);
}
.mock-cat.active {
  background: var(--accent-dim);
  color: var(--accent-bright);
  border: 1px solid rgba(47, 179, 166, 0.3);
}

.mock-content { padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.mock-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.mock-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 12px 4px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.68rem;
  color: var(--text-soft);
}
.mock-ic {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #04100f;
}
.ic-a { background: #7ec8ff; }
.ic-b { background: #9be6a8; }
.ic-c { background: #ffd28a; }
.ic-d { background: #f3a8c8; }
.ic-e { background: #b9b2ff; }
.ic-f { background: #8fe0d6; }

.mock-hint {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 0.68rem;
  color: var(--muted);
}

.mock-caption { font-size: 0.78rem; color: var(--muted); margin-top: 12px; }

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

.pillar {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
}
.pillar-index {
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent-bright);
  letter-spacing: 0.08em;
}
.pillar h3 { margin-bottom: 8px; }
.pillar p { margin: 0; font-size: 0.92rem; color: var(--text-soft); }

.mini-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.mini-card {
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.mini-card h4 { margin-bottom: 7px; }
.mini-card p { margin: 0; font-size: 0.88rem; color: var(--muted); }

/* ---------- 价格条 ---------- */
.price-teaser {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 34px;
  border-radius: 18px;
  border: 1px solid rgba(47, 179, 166, 0.34);
  background:
    radial-gradient(600px 240px at 8% 0%, rgba(47, 179, 166, 0.18), transparent 70%),
    linear-gradient(150deg, #0d1719, #0a1014);
}
.price-teaser-copy h2 { margin-bottom: 8px; }
.price-teaser-copy h2 small { font-size: 0.62em; color: var(--muted); font-weight: 500; }
.price-teaser-copy p { margin: 0; max-width: 58ch; }
.price-teaser-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.trust-grid h3 { font-size: 1rem; margin-bottom: 7px; }
.trust-grid p { margin: 0; font-size: 0.88rem; color: var(--muted); }

/* ---------- 内页头部 ---------- */
.page-head { padding: 70px 0 10px; max-width: 860px; }
.page-head h1 { margin-bottom: 16px; }

.legend { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 20px; font-size: 0.85rem; color: var(--muted); }
.legend-item { display: inline-flex; align-items: center; gap: 8px; }

.tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 0.72rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  white-space: nowrap;
}
.tag-ok { color: var(--accent-bright); border-color: rgba(47, 179, 166, 0.42); background: var(--accent-dim); }
.tag-soon { color: var(--warn); border-color: rgba(240, 180, 92, 0.4); background: var(--warn-dim); }
.tag-ref { font-family: var(--mono); font-size: 0.66rem; color: var(--muted); }
.tag-group { font-size: 0.66rem; }

/* ---------- 功能卡 ---------- */
.feature-group { margin-bottom: 34px; }
.feature-group > h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.95rem;
  color: var(--text-soft);
}
.feature-group > h3::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

.feature-card {
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.feature-card:hover { border-color: var(--line-strong); background: var(--surface-2); }
.feature-meta { display: flex; gap: 8px; margin-bottom: 10px; }
.feature-card h4 { margin-bottom: 7px; }
.feature-card p { margin: 0; font-size: 0.9rem; color: var(--muted); }

.planned-section { margin-top: 26px; }
.planned-block { margin-bottom: 40px; }
.planned-head { margin-bottom: 18px; }
.planned-head h3 { margin-bottom: 4px; }
.planned-head p { margin: 0; font-size: 0.88rem; color: var(--muted); }

.planned-list { display: flex; flex-direction: column; gap: 10px; }
.planned-row {
  padding: 16px 20px;
  border-left: 2px solid rgba(240, 180, 92, 0.5);
  border-radius: 0 12px 12px 0;
  background: rgba(240, 180, 92, 0.05);
}
.planned-row-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.planned-row p { margin: 0; font-size: 0.88rem; color: var(--muted); }

/* ---------- 对比表 ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
}
.compare-table { width: 100%; border-collapse: collapse; min-width: 620px; }
.compare-table th, .compare-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.compare-table thead th {
  position: sticky;
  top: 66px;
  background: #0c1317;
  color: var(--text-soft);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line-strong);
}
.compare-table tbody th { font-weight: 500; color: var(--text); }
.compare-table tbody tr:last-child th, .compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

.state-ok { color: var(--accent-bright); }
.state-soon { color: var(--warn); }
.state-none { color: var(--muted); }

.table-note { margin-top: 14px; font-size: 0.84rem; color: var(--muted); }

.split-note { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.split-note > div {
  padding: 22px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.split-note h3 { font-size: 1rem; margin-bottom: 8px; }
.split-note p { margin: 0; font-size: 0.9rem; color: var(--muted); }

/* ---------- 下载 ---------- */
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.download-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
}
.download-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.download-head h3 { margin: 0; }
.download-desc { font-size: 0.9rem; color: var(--text-soft); }
.download-meta { margin: 0 0 14px; font-size: 0.82rem; }
.download-meta > div { display: flex; gap: 10px; padding: 5px 0; border-top: 1px dashed var(--line); }
.download-meta dt { color: var(--muted); min-width: 54px; }
.download-meta dd { margin: 0; color: var(--text-soft); font-family: var(--mono); font-size: 0.78rem; word-break: break-all; }
.download-note { font-size: 0.82rem; color: var(--muted); flex: 1; }
.download-card .btn { margin-top: 4px; }

.data-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.data-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.data-list span { min-width: 92px; color: var(--muted); font-size: 0.85rem; }
.data-list code { word-break: break-all; }

.cmd-list { display: flex; flex-direction: column; gap: 8px; }
.cmd-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a0f13;
}
.cmd-label { min-width: 132px; font-size: 0.84rem; color: var(--muted); }
.cmd-code { flex: 1; background: transparent; border: 0; padding: 0; color: var(--text-soft); font-size: 0.86rem; }
.cmd-copy {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text-soft);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}
.cmd-copy:hover { background: var(--surface-2); color: var(--text); }

/* ---------- 提示 ---------- */
.notice {
  padding: 22px 24px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.notice h3 { font-size: 1rem; margin-bottom: 6px; }
.notice p { margin: 0; font-size: 0.9rem; color: var(--muted); }
.notice-warn {
  border-color: rgba(240, 180, 92, 0.34);
  background: linear-gradient(160deg, rgba(240, 180, 92, 0.1), rgba(240, 180, 92, 0.03));
}
.notice-warn h3 { color: var(--warn); }

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.cta-band h2 { margin-bottom: 6px; font-size: 1.35rem; }
.cta-band p { margin: 0; font-size: 0.92rem; color: var(--muted); }

/* ---------- 定价 ---------- */
.pricing-hero { padding: 74px 0 6px; text-align: center; }
.pricing-hero h1 { margin-bottom: 6px; }
.pricing-hero h1 em { font-style: normal; font-size: 0.5em; color: var(--muted); font-weight: 500; }
.pricing-sub { font-size: 1.05rem; color: var(--accent-bright); font-weight: 600; margin-bottom: 18px; }
.pricing-hero .lede { margin-inline: auto; }
.pricing-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}
.pricing-badges span {
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-size: 0.8rem;
  color: var(--text-soft);
}

.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: stretch; }

.plan {
  display: flex;
  flex-direction: column;
  padding: 30px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.plan-pro {
  border-color: rgba(47, 179, 166, 0.4);
  background:
    radial-gradient(520px 260px at 20% 0%, rgba(47, 179, 166, 0.16), transparent 70%),
    linear-gradient(165deg, #0e1719, #0a1014);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.42);
}
.plan-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.plan-name { font-size: 1rem; font-weight: 700; letter-spacing: 0.04em; }
.plan-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.plan-price .amount { font-size: 2.9rem; font-weight: 700; letter-spacing: -0.03em; }
.plan-price .unit { color: var(--muted); font-size: 0.9rem; }
.plan-desc { font-size: 0.9rem; color: var(--muted); margin-bottom: 20px; }

.plan-list { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.plan-list li { display: flex; gap: 10px; font-size: 0.9rem; color: var(--text-soft); }
.bullet-ok { color: var(--accent-bright); font-weight: 700; flex: 0 0 auto; }
.pro-bullet { display: block; }
.pro-bullet strong { font-weight: 600; color: var(--text); margin-right: 8px; }
.pro-bullet-desc { display: block; font-size: 0.82rem; color: var(--muted); margin-top: 2px; }

.note-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.note-card {
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.note-card h3 { font-size: 0.98rem; margin-bottom: 8px; }
.note-card p { margin: 0; font-size: 0.87rem; color: var(--muted); }

/* ---------- 支付面板 ---------- */
.pay-panel {
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elev);
}
.pay-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.pay-head h3 { margin: 0; }

.channel-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 20px; }
.channel {
  padding: 14px 16px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.86rem;
}
.channel.selected { border-color: rgba(47, 179, 166, 0.55); background: var(--accent-dim); }
.channel-name { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-weight: 600; margin-bottom: 4px; }
.channel-meta { font-size: 0.76rem; color: var(--muted); word-break: break-all; }
.channel-status { font-size: 0.74rem; color: var(--warn); }

.pay-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }

.order-status {
  margin-top: 18px;
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.86rem;
}
.order-status dl { margin: 0; display: grid; grid-template-columns: 108px 1fr; gap: 6px 12px; }
.order-status dt { color: var(--muted); }
.order-status dd { margin: 0; font-family: var(--mono); font-size: 0.8rem; word-break: break-all; }
.order-status .state-paid { color: var(--accent-bright); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq-sections { padding-top: 34px; }
.faq-group { margin-bottom: 34px; }
.faq-group h2 { font-size: 1.18rem; margin-bottom: 12px; }
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  overflow: hidden;
}
.faq-list summary {
  padding: 15px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.94rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  color: var(--accent-bright);
  font-weight: 600;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list summary:hover { background: var(--surface-2); }
.faq-answer { padding: 0 20px 16px; border-top: 1px solid var(--line); }
.faq-answer p { margin: 12px 0 0; font-size: 0.9rem; color: var(--text-soft); }

/* ---------- 弹层 ---------- */
.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(3, 6, 8, 0.72); backdrop-filter: blur(6px); }
.modal-card {
  position: relative;
  width: min(100%, 560px);
  max-height: 86vh;
  overflow-y: auto;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, #0d1519, #080d11);
  box-shadow: var(--shadow);
}
.modal-card h3 { margin-bottom: 14px; }
.modal-close {
  position: absolute;
  top: 12px; right: 14px;
  width: 34px; height: 34px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 1.1rem;
  cursor: pointer;
}
.modal-close:hover { background: var(--surface-2); color: var(--text); }

.pay-detail dl { margin: 0 0 16px; display: grid; grid-template-columns: 96px 1fr; gap: 7px 12px; font-size: 0.86rem; }
.pay-detail dt { color: var(--muted); }
.pay-detail dd { margin: 0; font-family: var(--mono); font-size: 0.8rem; word-break: break-all; }
.pay-detail .qr-box {
  margin-top: 12px;
  padding: 18px;
  border-radius: 10px;
  border: 1px dashed var(--line-strong);
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.82rem;
  color: var(--muted);
}
.pay-detail .qr-box code { display: block; margin-top: 8px; color: var(--text-soft); word-break: break-all; }

.modal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 6px; }

.error-text { color: #ff9c9c; }

/* ---------- 页脚 ---------- */
.footer {
  margin-top: 72px;
  border-top: 1px solid var(--line);
  background: rgba(4, 7, 9, 0.6);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  padding: 42px 0 26px;
}
.footer-brand { display: flex; gap: 12px; align-items: flex-start; }
.footer-brand strong { display: block; margin-bottom: 4px; }
.footer-brand p { margin: 0; font-size: 0.86rem; color: var(--muted); }
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { color: var(--text-soft); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent-bright); }
.footer-meta p { margin: 0 0 6px; font-size: 0.84rem; color: var(--text-soft); }
.footer-meta p.muted { color: var(--muted); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 18px 0 30px;
  border-top: 1px solid var(--line);
}
.footer-bottom p { margin: 0; font-size: 0.78rem; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 56px; }
  .hero-visual { max-width: 620px; }
  .pillars, .mini-grid, .note-grid, .download-grid, .split-note, .trust-grid, .channel-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .compare-table thead th { position: static; }
}

@media (max-width: 760px) {
  .wrap { width: min(100% - 28px, var(--wrap)); }
  .topbar-inner { flex-wrap: wrap; gap: 10px; padding: 10px 0; }
  .nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .nav-link { padding: 7px 10px; font-size: 0.86rem; }
  .topbar-actions { gap: 10px; }
  .link-quiet { display: none; }
  .hero { padding-top: 44px; }
  .hero h1 { font-size: clamp(1.95rem, 8.2vw, 2.6rem); }
  .mock-main { grid-template-columns: 104px 1fr; min-height: 236px; }
  .mock-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pillars, .mini-grid, .note-grid, .download-grid, .split-note, .trust-grid, .feature-grid, .plan-grid, .channel-list {
    grid-template-columns: 1fr;
  }
  .price-teaser, .cta-band { flex-direction: column; align-items: flex-start; padding: 24px; }
  .section { padding-top: 46px; }
  .plan-price .amount { font-size: 2.4rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .cmd-row { flex-wrap: wrap; }
  .cmd-label { min-width: 0; }
  .cmd-code { flex-basis: 100%; }
  .order-status dl, .pay-detail dl { grid-template-columns: 1fr; }
}

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

/* ================= Go 官网：下单 / 收银台 / 结果 / 兑换 ================= */

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

.changelog {
  padding: 22px 24px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  margin-bottom: 12px;
}
.changelog-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.changelog-head strong { font-size: 1rem; }
.changelog-head span { font-size: 0.8rem; color: var(--muted); font-family: var(--mono); }
.changelog ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.changelog li { font-size: 0.88rem; color: var(--text-soft); }

.duration-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.duration-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.duration-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
.duration-head h3 { margin: 0; font-size: 1rem; }
.duration-price { display: flex; align-items: baseline; gap: 6px; margin: 4px 0 8px; }
.duration-price .amount { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; }
.duration-price .unit { color: var(--muted); font-size: 0.85rem; }
.duration-card p { font-size: 0.86rem; color: var(--muted); margin: 0 0 8px; }
.duration-card .btn { margin-top: auto; }

.order-form { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 24px; align-items: start; }
.order-main { min-width: 0; }
.form-block {
  margin: 0 0 18px;
  padding: 22px 24px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  min-width: 0;
}
.form-block legend { padding: 0 10px; font-weight: 600; font-size: 0.95rem; color: var(--text); }
.option-grid { display: flex; flex-direction: column; gap: 10px; }
.option-card { position: relative; display: block; cursor: pointer; }
.option-card input { position: absolute; opacity: 0; pointer-events: none; }
.option-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 18px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.option-card input:checked + .option-body {
  border-color: rgba(47, 179, 166, 0.6);
  background: var(--accent-dim);
  box-shadow: inset 0 0 0 1px rgba(47, 179, 166, 0.18);
}
.option-card:focus-within .option-body { outline: 2px solid rgba(47, 179, 166, 0.35); outline-offset: 2px; }
.option-title { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 0.95rem; }
.option-price { font-size: 0.9rem; color: var(--accent-bright); font-weight: 600; }
.option-price small { font-weight: 400; color: var(--muted); }
.option-note { font-size: 0.82rem; color: var(--muted); }

.channel-options { display: flex; flex-direction: column; gap: 10px; }
.channel-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  cursor: pointer;
}
.channel-option input { position: absolute; opacity: 0; pointer-events: none; }
.channel-body { flex: 1; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.channel-body strong { font-size: 0.92rem; }
.channel-body small { font-size: 0.78rem; color: var(--muted); }
.channel-option:has(input:checked) { border-color: rgba(47, 179, 166, 0.6); background: var(--accent-dim); }
.channel-option:focus-within { outline: 2px solid rgba(47, 179, 166, 0.35); outline-offset: 2px; }

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; font-size: 0.86rem; color: var(--text-soft); }
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: #0a0f13;
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.field-inline { flex-direction: row; align-items: flex-end; gap: 12px; margin: 0 0 12px; }
.field-inline input { min-width: 320px; }
.query-form { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }

.order-side {
  position: sticky;
  top: 84px;
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}
.order-side h3 { margin-bottom: 14px; }
.summary-list, .detail-list { margin: 0; display: flex; flex-direction: column; }
.summary-list > div, .detail-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.87rem;
}
.summary-list > div:last-child, .detail-list > div:last-child { border-bottom: 0; }
.summary-list dt, .detail-list dt { color: var(--muted); flex: 0 0 auto; }
.summary-list dd, .detail-list dd { margin: 0; text-align: right; color: var(--text-soft); word-break: break-all; }
.detail-list dd { font-family: var(--mono); font-size: 0.8rem; }
.detail-list .amount-inline { font-family: var(--sans, inherit); font-size: 1rem; color: var(--accent-bright); font-weight: 600; }
.amount-inline { font-size: 1.05rem; font-weight: 600; color: var(--accent-bright); }
.mono-wrap { word-break: break-all; }

.btn-block { display: flex; width: 100%; justify-content: center; }

.steps { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.step {
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.8rem;
}
.step.done { color: var(--accent-bright); border-color: rgba(47, 179, 166, 0.42); background: var(--accent-dim); }
.step.active { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }

.pay-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 24px; align-items: start; }
.pay-card, .result-card {
  padding: 26px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}
.pay-card h2, .result-card h2 { margin: 0; font-size: 1.15rem; }
.pay-head, .result-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.pay-card .detail-list, .result-card .detail-list { margin-bottom: 18px; }
.pay-side { padding: 22px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); }
.pay-side h3 { margin-bottom: 12px; }
.side-steps, .activate-steps { margin: 0 0 16px; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; font-size: 0.88rem; color: var(--text-soft); }
.activate-steps { max-width: 760px; }
.side-links { display: flex; gap: 16px; margin-top: 14px; }

.notice-ok {
  border-color: rgba(47, 179, 166, 0.4);
  background: linear-gradient(160deg, rgba(47, 179, 166, 0.12), rgba(47, 179, 166, 0.03));
}
.notice-ok h3 { color: var(--accent-bright); }
.notice-err {
  border-color: rgba(255, 120, 120, 0.38);
  background: linear-gradient(160deg, rgba(255, 120, 120, 0.1), rgba(255, 120, 120, 0.03));
}
.notice-err h3 { color: #ff9c9c; }
.notice-demo {
  border-color: rgba(240, 180, 92, 0.36);
  background: linear-gradient(160deg, rgba(240, 180, 92, 0.11), rgba(240, 180, 92, 0.03));
}
.notice-demo h3 { color: var(--warn); }
.pay-card .notice, .result-card .notice { margin-bottom: 18px; }

.license-box {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  padding: 16px;
  margin-bottom: 18px;
  border-radius: 12px;
  border: 1px dashed rgba(47, 179, 166, 0.5);
  background: rgba(0, 0, 0, 0.3);
}
.license-box code {
  flex: 1;
  min-width: 240px;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--accent-bright);
  word-break: break-all;
}
.result-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }

.redeem-form {
  max-width: 860px;
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.order-table th, .order-table td { font-size: 0.82rem; }

/* 账号 / 授权 / 后台 */
.inline-form { display: inline; }
.link-button { background: none; border: 0; padding: 0; font: inherit; cursor: pointer; }
.auth-shell { display: grid; grid-template-columns: minmax(0, 460px) minmax(0, 1fr); gap: 34px; align-items: start; padding: 56px 0 24px; }
.auth-card { padding: 28px; border-radius: 18px; border: 1px solid var(--line); background: var(--surface); }
.auth-card h1 { font-size: 1.45rem; margin-bottom: 8px; }
.auth-card .lede { font-size: 0.9rem; margin-bottom: 22px; }
.code-row { display: flex; gap: 10px; align-items: stretch; }
.code-row input { flex: 1 1 auto; min-width: 0; }
.code-row .btn { flex: 0 0 auto; white-space: nowrap; padding-inline: 14px; }
.field-hint { display: block; margin-top: 6px; color: var(--muted); font-size: 0.76rem; line-height: 1.5; }
.btn-ghost { background: var(--surface-2); color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-bright); }
.auth-aside { padding: 26px; border-radius: 16px; border: 1px dashed var(--line); color: var(--muted); font-size: 0.88rem; }
.auth-aside h3 { color: var(--text); font-size: 1rem; margin-bottom: 10px; }
.auth-aside ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; }
.auth-switch { margin-top: 18px; font-size: 0.86rem; color: var(--muted); }
.auth-switch a { color: var(--accent-bright); }
.notice { margin-bottom: 18px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); font-size: 0.88rem; }
.notice.ok { border-color: rgba(47, 179, 166, 0.45); color: var(--accent-bright); }
.notice.err { border-color: rgba(255, 120, 120, 0.4); color: #ff9c9c; }
.code-hint { font-family: var(--mono); color: var(--accent-bright); letter-spacing: 0.12em; }
.account-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin: 48px 0 12px; }
.account-head h1 { margin: 0; font-size: 1.5rem; }
.account-head .actions { display: flex; gap: 10px; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); font-size: 0.74rem; color: var(--muted); }
.tag.ok { border-color: rgba(47, 179, 166, 0.5); color: var(--accent-bright); }
.tag.warn { border-color: rgba(255, 190, 90, 0.45); color: var(--warn); }
.tag.bad { border-color: rgba(255, 120, 120, 0.45); color: #ff9c9c; }
.license-card { padding: 22px; border-radius: 16px; border: 1px solid var(--line); background: var(--surface); margin-bottom: 16px; }
.license-card.focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.license-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.license-top h3 { margin: 0; font-size: 1.05rem; }
.license-meta { display: flex; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 0.82rem; margin-bottom: 12px; }
.binding-list { display: flex; flex-direction: column; gap: 8px; margin: 10px 0 14px; }
.binding-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line); font-size: 0.84rem; }
.binding-row .device { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.binding-row code { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); word-break: break-all; }
.bind-form { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr) auto; gap: 10px; align-items: end; }
.bind-form .field { margin-bottom: 0; }
.empty-state { padding: 30px; border-radius: 14px; border: 1px dashed var(--line); text-align: center; color: var(--muted); font-size: 0.9rem; }
.qr-box { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface-2); margin-bottom: 18px; }
.qr-box img { width: min(260px, 100%); height: auto; border-radius: 10px; background: #fff; padding: 8px; }
.qr-box code { font-size: 0.78rem; color: var(--muted); word-break: break-all; text-align: center; }
.pm-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 0.76rem; border: 1px solid var(--line); color: var(--muted); }
.pm-badge.live { border-color: rgba(47, 179, 166, 0.5); color: var(--accent-bright); }
.admin-section { margin-bottom: 34px; }
.admin-section h2 { font-size: 1.12rem; margin-bottom: 12px; }
.admin-forms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 26px; }
.admin-form { padding: 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); }
.admin-form h3 { margin: 0 0 12px; font-size: 0.95rem; }
.admin-form .field { margin-bottom: 10px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
table.data th, table.data td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data th { color: var(--muted); font-weight: 600; white-space: nowrap; background: var(--surface-2); }
table.data tr:last-child td { border-bottom: 0; }
table.data code { font-family: var(--mono); font-size: 0.74rem; word-break: break-all; }
.plans-hint { font-size: 0.82rem; color: var(--muted); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); display: flex; flex-direction: column; gap: 4px; }
.stat-label { font-size: 0.76rem; color: var(--muted); }
.stat-value { font-size: 0.98rem; font-weight: 600; }
.action-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 12px; }
.check-inline { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--muted); margin: 8px 0; cursor: pointer; }
.check-inline input { width: auto; }
.check-compact { display: inline-flex; margin: 0 6px; font-size: 0.76rem; }
@media (max-width: 1020px) {
  .auth-shell { grid-template-columns: 1fr; }
  .admin-forms { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .bind-form { grid-template-columns: 1fr; }
  .code-row { flex-direction: column; }
  .code-row .btn { width: 100%; }
  .topbar-actions .link-quiet { display: none; }
}

@media (max-width: 1020px) {
  .order-form, .pay-layout { grid-template-columns: 1fr; }
  .order-side { position: static; }
  .duration-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .field-inline { flex-direction: column; align-items: stretch; }
  .field-inline input { min-width: 0; }
  .steps { gap: 8px; }
  .license-box { flex-direction: column; }
  .license-box .btn { width: 100%; justify-content: center; }
}