:root {
  /* 画布与文字 —— 参考站 computed 值 + FloatDo design.md 浅色令牌 */
  --bg: #fdfdfc; /* 参考站 body 实测 rgb(253,253,252) */
  --surface: #ffffff; /* FloatDo 内容面 */
  --surface-sunken: #f3f4f6; /* FloatDo 设置外框 */
  --fg: rgb(
    29,
    33,
    43
  ); /* 参考站 body/footer 实测文字色（与 FloatDo 浅色令牌视觉一致） */
  --muted: #55555c; /* FloatDo 次要文字 */
  --faint: #6d6d74;
  --border: #e6e7ec; /* FloatDo 细线 */
  --hairline: rgba(29, 29, 31, 0.08);
  /* 品牌强调 —— FloatDo 暖黄交互色，唯一强调 */
  --amber: #f2be54;
  --amber-deep: #8c6416; /* 深琥珀焦点轮廓（design.md） */
  --amber-ink: #6b4e0e; /* 暖黄底上的可读文字 */
  --amber-soft: oklch(0.88 0.09 90);
  /* 岛体深色区 —— 产品黑色灵动岛 */
  --island: #000000;
  --island-hi: #1c1c1e;
  --island-text: #f5f5f7;
  --island-muted: #a1a1a8;
  /* 功能芯片色 —— 低饱和、与服务内容对应，不做彩虹 */
  --chip-1: oklch(0.72 0.1 250);
  --chip-2: oklch(0.7 0.12 150);
  --chip-3: oklch(0.68 0.13 30);
  --chip-4: oklch(0.66 0.11 300);
  --chip-5: oklch(0.7 0.11 210);
  --chip-6: oklch(0.72 0.12 70);
  --radius-xl: 22px;
  --radius-lg: 14px;
  --radius-md: 8px;
  --font-sans:
    'Inter', 'Segoe UI', 'Microsoft YaHei UI', 'Microsoft YaHei', system-ui,
    sans-serif;
  --shadow-card:
    0 1px 2px rgba(29, 29, 31, 0.04), 0 12px 32px -12px rgba(29, 29, 31, 0.1);
  --shadow-lift:
    0 2px 4px rgba(29, 29, 31, 0.05), 0 24px 48px -16px rgba(29, 29, 31, 0.16);
  --ease-spring: cubic-bezier(0.32, 0.72, 0.28, 1);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
::selection {
  background: var(--amber);
  color: var(--amber-ink);
}

/* ===== 焦点可见性 ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--amber-deep);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 顶部导航 ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 253, 252, 0.82);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled {
  border-bottom-color: var(--hairline);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.nav-logo img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}
.nav-links {
  display: flex;
  gap: 26px;
  margin-left: 12px;
  font-size: 14px;
  color: var(--muted);
}
.nav-links a {
  padding: 6px 2px;
  transition: color 0.18s;
}
.nav-links a:hover {
  color: var(--fg);
}
.nav-cta {
  margin-left: auto;
  display: flex;
  gap: 18px;
  align-items: center;
}
.nav-trial {
  font-size: 14px;
  color: var(--muted);
  padding: 6px 2px;
  transition: color 0.18s;
}
.nav-trial:hover {
  color: var(--fg);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  padding: 0 20px;
  height: 40px;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    transform 0.18s var(--ease-spring),
    box-shadow 0.18s,
    background-color 0.18s,
    border-color 0.18s,
    color 0.18s;
  white-space: nowrap;
}
.btn-ghost {
  color: var(--fg);
  border-color: var(--border);
  background: var(--surface);
}
.btn-ghost:hover {
  background: var(--surface-sunken);
  border-color: #d4d5db;
}
.btn-primary {
  background: var(--island);
  color: var(--island-text);
  box-shadow:
    0 1px 2px rgba(29, 29, 31, 0.2),
    0 8px 20px -8px rgba(29, 29, 31, 0.35);
}
.btn-primary:hover {
  background: #2a2a2e;
  box-shadow:
    0 2px 4px rgba(29, 29, 31, 0.22),
    0 12px 28px -10px rgba(29, 29, 31, 0.4);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-amber {
  background: var(--amber);
  color: var(--amber-ink);
  box-shadow:
    0 1px 2px rgba(140, 100, 22, 0.18),
    0 10px 26px -10px rgba(242, 190, 84, 0.55);
}
.btn-amber:hover {
  background: oklch(0.83 0.11 90);
  box-shadow:
    0 2px 4px rgba(140, 100, 22, 0.2),
    0 14px 32px -12px rgba(242, 190, 84, 0.65);
  transform: translateY(-1px);
}
.btn-amber:active {
  transform: translateY(0);
}
.btn-lg {
  height: 52px;
  padding: 0 28px;
  font-size: 16px;
  border-radius: 12px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
}
.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 88px 24px 72px;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--amber-deep);
  background: oklch(0.97 0.03 90);
  border: 1px solid oklch(0.9 0.06 90);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}
.hero h1 {
  font-size: clamp(38px, 4.6vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin-bottom: 22px;
}
.hero h1 .accent {
  color: var(--amber-deep);
  background: linear-gradient(transparent 62%, oklch(0.88 0.1 92 / 0.55) 62%);
  border-radius: 2px;
}
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: 34px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.hero-note {
  font-size: 13px;
  color: var(--faint);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.hero-note span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-note svg {
  width: 14px;
  height: 14px;
  flex: none;
  color: var(--amber-deep);
}

/* hero 视觉：画布直出 —— 透明液态玻璃便笺浮在页面上，无底框 */
.hero-visual {
  position: relative;
}
.hero-stage {
  position: relative;
  overflow: visible;
  padding: 30px 0 34px;
}
.hero-stage::before {
  display: none;
}
.hero-stage img.shot {
  position: relative;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 2px 6px rgba(20, 22, 28, 0.28))
    drop-shadow(0 32px 56px -18px rgba(20, 22, 28, 0.45));
}
/* 底部一条柔和的反射托底，暗示「悬浮」 */
.hero-stage::after {
  content: '';
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 6px;
  height: 26px;
  background: radial-gradient(
    50% 100% at 50% 50%,
    rgba(29, 33, 43, 0.18),
    transparent 72%
  );
  filter: blur(6px);
  pointer-events: none;
}
/* 屏幕顶部收起小岛示意条 */
.island-chip {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  width: 216px;
  height: 26px;
  background: var(--island);
  border-radius: 0 0 13px 13px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 14px;
  gap: 8px;
  box-shadow: 0 6px 18px -6px rgba(0, 0, 0, 0.5);
}
.island-chip .label {
  font-size: 10px;
  color: var(--island-muted);
  letter-spacing: 0.02em;
}
.island-chip .pip {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: #2e2e33;
}
.hero-caption {
  position: absolute;
  left: 0;
  bottom: 44px;
  z-index: 2;
  background: rgba(28, 28, 30, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--island-text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.45;
  box-shadow: 0 8px 20px -8px rgba(0, 0, 0, 0.5);
  max-width: 220px;
}
.hero-caption b {
  color: #fff;
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}

/* ===== 权益条 ===== */
.perks {
  border-block: 1px solid var(--hairline);
  background: var(--surface);
}
.perks-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 26px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.perk {
  display: flex;
  align-items: center;
  gap: 13px;
}
.perk .ic {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  flex: none;
  display: grid;
  place-items: center;
  background: oklch(0.97 0.03 90);
  border: 1px solid oklch(0.91 0.05 90);
  color: var(--amber-deep);
}
.perk .ic svg {
  width: 18px;
  height: 18px;
}
.perk b {
  font-size: 14px;
  font-weight: 600;
  display: block;
  line-height: 1.35;
}
.perk span {
  font-size: 12.5px;
  color: var(--muted);
}

/* ===== 区块通用 ===== */
.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 96px 24px;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-head .kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--muted);
  font-size: 16.5px;
}

/* ===== 三形态 ===== */
.modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.mode {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.3s var(--ease-spring),
    box-shadow 0.3s,
    border-color 0.3s;
  display: flex;
  flex-direction: column;
}
.mode:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: #d8d9df;
}
.mode .visual {
  position: relative;
  height: 190px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.mode .visual.dark {
  background: linear-gradient(165deg, #1b1b1f, #000);
}
.mode .visual.paper {
  background: linear-gradient(165deg, #fafaf7, #ecede7);
}
.mode .visual img.shot {
  max-height: 168px;
  width: auto;
  max-width: 86%;
  object-fit: contain;
  border-radius: 10px;
}
.mode .visual .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.mode .visual.dark .badge {
  background: rgba(255, 255, 255, 0.1);
  color: var(--island-text);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(6px);
}
.mode .visual.paper .badge {
  background: rgba(255, 255, 255, 0.72);
  color: var(--fg);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.mode-body {
  padding: 22px 24px 26px;
}
.mode-body h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.mode-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ===== 功能六宫格 ===== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 26px 24px;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.28s var(--ease-spring),
    box-shadow 0.28s,
    border-color 0.28s;
}
.feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
  border-color: #d8d9df;
}
.feature .chip {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: #fff;
}
.feature .chip svg {
  width: 20px;
  height: 20px;
}
.feature h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}
.feature .tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--faint);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 6px;
  letter-spacing: 0.03em;
}

/* ===== 双栏特色（编辑器 + 归档） ===== */
.split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.split-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition:
    transform 0.3s var(--ease-spring),
    box-shadow 0.3s,
    border-color 0.3s;
}
.split-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: #d8d9df;
}
.split-card .shot-wrap {
  background: linear-gradient(165deg, #1e1e22, #050506);
  padding: 22px 22px 18px;
  display: grid;
  place-items: center;
}
.split-card .shot-wrap img {
  max-height: 380px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  border-radius: 10px;
}
.split-card .body {
  padding: 24px 26px 28px;
}
.split-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.split-card p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}
.split-card ul {
  list-style: none;
  margin-top: 14px;
  display: grid;
  gap: 9px;
}
.split-card li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--fg);
}
.split-card li svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 3px;
  color: var(--amber-deep);
}

/* ===== 定价 ===== */
.pricing-wrap {
  background:
    radial-gradient(
      900px 420px at 50% -8%,
      rgba(242, 190, 84, 0.13),
      transparent 65%
    ),
    var(--surface-sunken);
  border-block: 1px solid var(--hairline);
}
.price-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow:
    0 2px 6px rgba(29, 29, 31, 0.05),
    0 40px 80px -32px rgba(29, 29, 31, 0.22);
  padding: 44px 48px 40px;
  position: relative;
  overflow: hidden;
}
.price-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--amber) 30%,
    var(--amber) 70%,
    transparent
  );
}
.plan-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber-deep);
  text-transform: uppercase;
  margin-bottom: 10px;
  text-align: center;
}
.price-line {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 8px;
}
.price-line .cur {
  font-size: 24px;
  font-weight: 600;
  color: var(--fg);
}
.price-line .num {
  font-size: 72px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.price-line .per {
  font-size: 15px;
  color: var(--muted);
}
.price-sub {
  text-align: center;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 30px;
}
.price-sub b {
  color: var(--fg);
  font-weight: 600;
}
.price-list {
  list-style: none;
  display: grid;
  gap: 12px;
  padding: 24px 0 28px;
  border-top: 1px solid var(--border);
}
.price-list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  align-items: flex-start;
}
.price-list li svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 3px;
  color: var(--amber-deep);
}
.price-list li span b {
  font-weight: 600;
}
.price-list li span em {
  font-style: normal;
  color: var(--muted);
  font-size: 13.5px;
}
.price-cta {
  display: grid;
  gap: 12px;
}
.price-cta .micro {
  text-align: center;
  font-size: 12.5px;
  color: var(--faint);
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.wechat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.wechat svg {
  width: 17px;
  height: 17px;
}

/* ===== FAQ ===== */
.faq {
  max-width: 720px;
  margin: 0 auto;
}
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  font-size: 16px;
  font-weight: 600;
  transition: color 0.18s;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary .chev {
  width: 28px;
  height: 28px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  transition:
    transform 0.28s var(--ease-spring),
    background-color 0.18s,
    color 0.18s;
}
.faq summary:hover {
  color: var(--amber-deep);
}
.faq details[open] summary .chev {
  transform: rotate(45deg);
  background: var(--surface-sunken);
}
.faq .ans {
  padding: 0 4px 22px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 60ch;
}
.faq .ans b {
  color: var(--fg);
  font-weight: 600;
}

/* ===== 底部 CTA ===== */
.final-cta {
  background:
    radial-gradient(
      760px 320px at 50% 118%,
      rgba(242, 190, 84, 0.16),
      transparent 62%
    ),
    linear-gradient(165deg, #1b1b1f 0%, #000 70%);
  color: var(--island-text);
  border-radius: 0;
}
.final-cta .inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 108px 24px;
  text-align: center;
}
.final-cta h2 {
  font-size: clamp(30px, 3.8vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.18;
  font-weight: 700;
  margin-bottom: 16px;
}
.final-cta p {
  color: var(--island-muted);
  font-size: 17px;
  margin-bottom: 40px;
}
.final-cta .row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.final-cta .fine {
  font-size: 13px;
  color: #8e8e96;
}

/* ===== Footer ===== */
footer {
  background: var(--bg);
  border-top: 1px solid var(--hairline);
}
.foot-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
}
.foot-brand img {
  width: 22px;
  height: 22px;
  border-radius: 6px;
}
.foot-links {
  display: flex;
  gap: 22px;
  font-size: 13px;
  color: var(--muted);
  margin-left: auto;
  flex-wrap: wrap;
}
.foot-links a:hover {
  color: var(--fg);
}
.foot-copy {
  font-size: 12.5px;
  color: var(--faint);
}

/* ===== 购买弹窗 ===== */
dialog.buy {
  margin: auto;
  border: none;
  border-radius: 24px;
  padding: 0;
  width: min(460px, calc(100vw - 40px));
  box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.4);
  background: var(--surface);
  color: var(--fg);
}
dialog.buy::backdrop {
  background: rgba(15, 15, 17, 0.55);
  backdrop-filter: blur(4px);
}
.buy-box {
  padding: 36px 36px 32px;
}
.buy-box h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.buy-box .sub {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 24px;
}
.buy-box label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 6px;
}
.buy-box input[type='email'] {
  width: 100%;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 14px;
  font-size: 15px;
  font-family: inherit;
  background: var(--bg);
  transition:
    border-color 0.18s,
    box-shadow 0.18s;
}
.buy-box input[type='email']:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px oklch(0.88 0.1 92 / 0.45);
}
.buy-hint {
  font-size: 12px;
  color: var(--faint);
  margin: 8px 0 22px;
  line-height: 1.55;
}
.buy-summary {
  background: var(--surface-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  margin-bottom: 22px;
}
.buy-summary .amt {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.buy-err {
  color: #b42332;
  font-size: 13px;
  margin: -12px 0 16px;
  display: none;
}
.buy-box .row {
  display: flex;
  gap: 12px;
}
.buy-box .row .btn {
  flex: 1;
  height: 48px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 16px);
  background: var(--island-hi);
  color: var(--island-text);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.25s,
    transform 0.25s var(--ease-spring);
  z-index: 200;
  max-width: calc(100vw - 40px);
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 64px;
    gap: 44px;
  }
  .hero-visual {
    max-width: 640px;
  }
  .modes,
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
  .split {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .nav-trial {
    display: none;
  }
  .nav-links {
    display: none;
  }
  .perks-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .modes,
  .features {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 72px 20px;
  }
  .price-card {
    padding: 34px 26px 30px;
  }
  .hero-actions .btn-lg {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-note {
    justify-content: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.release-status {
  display: inline-block;
  padding: 7px 12px;
  margin-bottom: 20px;
  color: #6b4e0e;
  background: #fff3d5;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}
.foot-links {
  flex-wrap: wrap;
}
.buy-box a:not(.btn) {
  text-decoration: underline;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}