/* ============================================================
   Foreverse 国内商店站 · 官网同源「阅读屋」纸墨风
   Token 与 foreverse.app 首页 paper 主题对齐（frond globals.css --night-*）：
   暖纸底 / 墨色字 / 朱砂 accent / serif 标题 + mono 眉题 / 深色酒馆 Pro 卡。
   零依赖、零 webfont、移动优先、桌面 ≥880px 网格化。
   ============================================================ */
:root {
  color-scheme: light;

  /* paper 主题（官网 --night-* 同值） */
  --bg: #f6efdf;
  --bg-2: #f1e8d3;
  --card: #fdfaf2;
  --card-2: #f6efe0;
  --ink: #262014;
  --ink-2: #57503f;
  --mute: #877c64;
  --mute-2: #a89c81;
  --line: rgba(48, 38, 22, 0.12);
  --line-2: rgba(48, 38, 22, 0.22);
  --accent: #b5472e;
  --accent-2: #93351f;
  --accent-dim: rgba(181, 71, 46, 0.3);
  --accent-soft: rgba(181, 71, 46, 0.12);
  --ember: #c0563c;

  /* 深色酒馆段（Pro 卡） */
  --tavern-bg: #1c1610;
  --tavern-bg-2: #241c14;
  --tavern-ink: #efe6d4;
  --tavern-mute: #9c907a;
  --tavern-line: rgba(239, 230, 212, 0.12);
  --tavern-glow: #e0935a;

  /* 状态色 */
  --ok: #2e7d4f;
  --ok-soft: rgba(46, 125, 79, 0.1);
  --err: #b3312c;
  --err-soft: rgba(179, 49, 44, 0.09);

  /* 字族（官网同栈，全系统字体） */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --font-serif: "Source Serif 4", "Source Serif Pro", "Songti SC", "Noto Serif SC",
    "Noto Serif CJK SC", "Source Han Serif SC", "STSong", "SimSun",
    "Charter", "Iowan Old Style", "Georgia", "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-2xl: 28px;
  --shadow-sm: 0 1px 2px rgba(38, 32, 20, 0.05), 0 1px 1px rgba(38, 32, 20, 0.04);
  --shadow-md: 0 10px 30px rgba(38, 32, 20, 0.07), 0 2px 8px rgba(38, 32, 20, 0.05);
  --shadow-lg: 0 28px 70px rgba(38, 32, 20, 0.13), 0 10px 24px rgba(38, 32, 20, 0.07);
  --w-wide: 1080px;
  --w-prose: 720px;
  --gutter: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: transparent; cursor: pointer; }

main { flex: 1; width: 100%; max-width: var(--w-wide); margin: 0 auto; padding: 0 var(--gutter) 64px; }
main.prose { max-width: var(--w-prose); }

/* ============ 顶栏 ============ */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(246, 239, 223, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: var(--w-wide); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: 60px; padding: 0 var(--gutter);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand-wordmark { display: inline-flex; flex-direction: column; line-height: 1; }
.brand-wordmark .name { font-weight: 600; font-size: 16px; letter-spacing: -0.01em; }
.brand-wordmark .zh {
  margin-top: 3px; font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.22em; color: var(--mute);
}
.topbar nav { display: flex; align-items: center; gap: 4px; }
.topbar nav a {
  display: inline-flex; align-items: center; height: 34px; padding: 0 11px;
  border-radius: 8px; color: var(--ink-2); font-size: 14px; font-weight: 500;
  white-space: nowrap;
  transition: background 140ms ease, color 140ms ease;
}
.topbar nav a:hover { background: rgba(48, 38, 22, 0.06); color: var(--ink); }
.topbar nav a.nav-cta {
  background: var(--ink); color: var(--bg); font-weight: 600; margin-left: 6px;
}
.topbar nav a.nav-cta:hover { background: #3a3020; color: var(--bg); }

/* ============ 眉题 kicker（官网 .lp-kicker 同款） ============ */
.kicker {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent);
}
.kicker::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px rgba(181, 71, 46, 0.14);
  flex: 0 0 auto;
}
.kicker .idx { color: var(--mute-2); letter-spacing: 0.12em; }

/* ============ Hero ============ */
.hero { padding: clamp(36px, 6vw, 72px) 0 clamp(28px, 4vw, 48px); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 36px; align-items: center; }
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.6vw, 48px);
  line-height: 1.22; font-weight: 600; letter-spacing: 0.004em;
  color: var(--ink); text-wrap: balance;
}
.hero h1 em { font-style: italic; color: var(--accent); white-space: nowrap; }
.hero .lead {
  margin-top: 16px; max-width: 56ch;
  font-size: clamp(14.5px, 1.2vw, 16px); line-height: 1.95; color: var(--ink-2);
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-btns .btn { width: auto; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 22px; list-style: none; }
.hero-facts li {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.02em; color: var(--mute);
}
.hero-facts li::before {
  content: ""; width: 4px; height: 4px; border-radius: 50%;
  background: rgba(181, 71, 46, 0.65); flex: 0 0 auto;
}

/* hero 截图：移动横滑 / 桌面三联 */
.shots { display: flex; gap: 12px; margin: 6px calc(var(--gutter) * -1) 0; padding: 10px var(--gutter) 14px; overflow-x: auto; scroll-snap-type: x mandatory; }
.shots::-webkit-scrollbar { display: none; }
.shots img {
  width: 52%; max-width: 210px; flex: 0 0 auto;
  border-radius: var(--r-xl); border: 1px solid var(--line-2);
  box-shadow: var(--shadow-md); scroll-snap-align: center;
  background: var(--card);
}

/* ============ 区块与卡片 ============ */
.shop-section { margin-top: clamp(30px, 4.5vw, 52px); }
.section-head { margin-bottom: 18px; }
.section-head h2 {
  font-family: var(--font-serif); font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.3; font-weight: 600; color: var(--ink); word-break: keep-all;
}
.section-head .desc { margin-top: 8px; max-width: 62ch; color: var(--ink-2); font-size: 14px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm);
  padding: clamp(20px, 3vw, 28px);
}
.card h2 { font-family: var(--font-serif); font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.card h3 { font-size: 15px; font-weight: 600; margin: 16px 0 6px; }
.card p { color: var(--ink-2); font-size: 14px; }

/* ============ 按钮 ============ */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; min-height: 48px; padding: 12px 20px;
  border-radius: 12px; font-size: 15.5px; font-weight: 600; text-align: center;
  border: 1px solid transparent;
  transition: transform 100ms ease, background 140ms ease, opacity 140ms ease, border-color 140ms ease;
}
.btn:active { transform: translateY(0.5px) scale(0.995); }
.btn[disabled] { opacity: 0.45; pointer-events: none; }
.btn + .btn { margin-top: 10px; }
.btn-primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-primary:hover { background: #3a3020; }
.btn-accent { background: var(--accent); color: #fff; border-color: rgba(120, 30, 12, 0.4); box-shadow: 0 10px 26px rgba(181, 71, 46, 0.22); }
.btn-accent:hover { background: var(--accent-2); }
.btn-ghost { background: transparent; color: var(--ink-2); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--line-strong, var(--line-2)); background: rgba(48, 38, 22, 0.04); }
/* 酒馆深色卡内的金橙 CTA（官网 .fv-night .btn 同款） */
.btn-gold {
  background: linear-gradient(170deg, #e89a5e 0%, #d97c42 60%, #bd6232 100%);
  color: #2a1505; border-color: rgba(120, 58, 22, 0.5);
  box-shadow: 0 14px 34px rgba(224, 147, 90, 0.22);
}
.btn-gold:hover { background: #e08d52; }
.btn-tavern-ghost { background: rgba(239, 230, 212, 0.05); color: var(--tavern-ink); border-color: rgba(239, 230, 212, 0.24); }
.btn-tavern-ghost:hover { background: rgba(239, 230, 212, 0.1); }

/* ============ 表单 ============ */
.field { margin: 12px 0; }
.field label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.field input {
  width: 100%; border: 1px solid var(--line-2); background: #fffdf7;
  border-radius: var(--r-md); padding: 12px 14px; font-size: 16px; color: var(--ink);
  outline: none; transition: border-color 140ms ease, box-shadow 140ms ease;
}
.field input::placeholder { color: var(--mute-2); }
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(181, 71, 46, 0.14); }
.otp-row { display: flex; gap: 10px; }
.otp-row input { flex: 1; min-width: 0; }
.otp-row .btn { width: auto; min-height: 0; padding: 0 16px; font-size: 14px; flex: 0 0 auto; }

/* ============ 状态条 ============ */
.notice { border-radius: var(--r-md); padding: 12px 14px; font-size: 14px; margin-top: 12px; display: none; }
.notice.show { display: block; }
.notice.ok { background: var(--ok-soft); color: var(--ok); }
.notice.err { background: var(--err-soft); color: var(--err); }
.notice.info { background: var(--accent-soft); color: var(--accent-2); }
.notice a { text-decoration: underline; text-underline-offset: 3px; }

/* 登录态行 */
.session-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-size: 14px; color: var(--ink-2);
  background: var(--card-2); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 12px 14px;
}
.session-row b { color: var(--ink); font-weight: 600; word-break: break-all; }
.session-row button { color: var(--accent); font-size: 13.5px; flex: 0 0 auto; }

/* ============ 步骤 ============ */
.steps { counter-reset: s; list-style: none; margin-top: 6px; }
.steps li { counter-increment: s; display: flex; gap: 12px; padding: 9px 0; font-size: 14px; color: var(--ink-2); }
.steps li::before {
  content: counter(s, decimal-leading-zero);
  flex: 0 0 auto; margin-top: 1px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; color: var(--accent);
}

/* 三步卡（桌面三列） */
.guide-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.guide-step {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 18px 18px 16px; position: relative;
}
.guide-step .no {
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; color: var(--accent); display: block; margin-bottom: 8px;
}
.guide-step .tt { font-weight: 600; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.guide-step p { font-size: 13.5px; color: var(--ink-2); }

/* ============ 结果页 ============ */
.result-icon { font-size: 54px; line-height: 1; text-align: center; margin: 26px 0 14px; }
.result-title { text-align: center; font-family: var(--font-serif); font-size: 22px; font-weight: 600; }
.result-sub { text-align: center; color: var(--ink-2); font-size: 14px; margin-top: 8px; }

/* ============ FAQ ============ */
.faq dl { margin-top: 2px; }
.faq dt { font-weight: 600; font-size: 14.5px; color: var(--ink); padding-top: 14px; }
.faq dt::before {
  content: "Q"; font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  color: var(--accent); margin-right: 8px; letter-spacing: 0.08em;
}
.faq dd { color: var(--ink-2); font-size: 14px; margin-top: 4px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.faq dd:last-child { border-bottom: 0; }

/* ============ 页脚 ============ */
footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: 30px var(--gutter) 44px;
  margin-top: 56px;
  font-size: 12.5px; color: var(--mute);
}
/* index 有 sticky CTA：底部预留高度，保证备案号不被遮挡（支付宝审核要件） */
body.has-sticky-cta footer { padding-bottom: calc(48px + 68px + env(safe-area-inset-bottom)); }
.footer-inner { max-width: var(--w-wide); margin: 0 auto; text-align: center; }
.footer-brand {
  display: inline-flex; align-items: baseline; gap: 8px; margin-bottom: 12px;
  font-family: var(--font-serif); font-size: 15px; font-weight: 600; color: var(--ink-2);
}
.footer-brand .zh { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.22em; color: var(--mute); }
footer .links { margin-bottom: 10px; display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 18px; }
footer .links a { color: var(--ink-2); }
footer .links a:hover { color: var(--accent); }
footer p { margin-top: 4px; }
footer a:hover { color: var(--accent); }

/* ============ 积分档位（M71） ============ */
.balance-row {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--card-2); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 11px 14px; font-size: 13.5px; color: var(--ink-2);
  margin-bottom: 14px;
}
.balance-row b { color: var(--accent); font-family: var(--font-mono); font-size: 15px; letter-spacing: 0.01em; }

.pkg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 4px 0 16px; }
.pkg-card {
  position: relative; text-align: left; cursor: pointer;
  background: #fffdf7; border: 1.5px solid var(--line); border-radius: var(--r-lg);
  padding: 16px 14px 14px; overflow: hidden;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}
.pkg-card:hover { border-color: var(--line-2); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.pkg-card.sel {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(181, 71, 46, 0.14), var(--shadow-md);
  background: #fffcf3;
}
.pkg-card.sel::after {
  content: "✓"; position: absolute; right: 10px; bottom: 10px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.pkg-card .t {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; color: var(--mute); text-transform: uppercase;
}
.pkg-card .c { font-family: var(--font-mono); font-size: 22px; font-weight: 700; letter-spacing: -0.01em; margin-top: 6px; color: var(--ink); }
.pkg-card .c small { font-size: 11.5px; color: var(--mute); font-weight: 500; margin-left: 4px; letter-spacing: 0.06em; }
.pkg-card .sub { font-size: 12px; color: var(--mute); margin-top: 2px; }
.pkg-card .p { font-size: 16px; font-weight: 700; color: var(--accent); margin-top: 10px; }
.pkg-badge {
  position: absolute; top: 0; right: 0;
  background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 500; letter-spacing: 0.04em;
  border-radius: 0 var(--r-lg) 0 10px; padding: 3px 10px 4px;
}
/* M115 OPT-11 · 目录拉取失败的静态兜底卡：只展示不可选购，去掉可点暗示 */
.pkg-card.fallback { cursor: default; pointer-events: none; }

/* ============ Pro 深色酒馆卡 ============ */
.tavern-card {
  position: relative; overflow: hidden;
  background: linear-gradient(168deg, var(--tavern-bg-2) 0%, var(--tavern-bg) 58%, #171009 100%);
  border: 1px solid rgba(224, 147, 90, 0.22);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-lg);
  padding: clamp(24px, 3.6vw, 40px);
  color: var(--tavern-ink);
}
.tavern-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(520px 320px at 12% 0%, rgba(224, 147, 90, 0.16), transparent 64%),
    radial-gradient(460px 300px at 96% 100%, rgba(192, 86, 60, 0.10), transparent 60%);
}
.tavern-card > * { position: relative; }
.tavern-card .kicker { color: var(--tavern-glow); }
.tavern-card .kicker::before { background: var(--tavern-glow); box-shadow: 0 0 0 4px rgba(224, 147, 90, 0.16); }
.tavern-card h2 {
  font-family: var(--font-serif); font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 600; line-height: 1.3; color: var(--tavern-ink);
}
.tavern-grid { display: grid; grid-template-columns: 1fr; gap: 26px; }

.price-line { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.price-line .cny { font-family: var(--font-serif); font-size: 20px; color: var(--tavern-glow); font-weight: 600; }
.price-line .num {
  font-family: var(--font-mono); font-size: clamp(44px, 5vw, 56px);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1; color: var(--tavern-ink);
}
.price-line .once { color: var(--tavern-mute); font-size: 13px; }
.price-anchor { color: var(--tavern-mute); font-size: 13px; margin-top: 10px; }
.price-anchor b { color: var(--tavern-ink); font-weight: 600; }

.benefits { list-style: none; margin: 18px 0 4px; }
.benefits li { display: flex; gap: 10px; padding: 8px 0; font-size: 14.5px; color: var(--tavern-ink); line-height: 1.7; }
.benefits li::before { content: "✓"; color: var(--tavern-glow); font-weight: 700; flex: 0 0 auto; }
.benefits li span { color: var(--tavern-mute); }
.benefits li b { font-weight: 600; }

.tavern-card .notice.info { background: rgba(224, 147, 90, 0.12); color: #ecb287; }
.tavern-card .notice.err { background: rgba(210, 90, 80, 0.14); color: #f0a49b; }
.tavern-card .divider { height: 1px; background: var(--tavern-line); margin: 18px 0; }
.tavern-card .mini-note { color: var(--tavern-mute); }
.tavern-card .mini-note a { color: inherit; }
.tavern-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--tavern-glow);
  border: 1px solid rgba(224, 147, 90, 0.36); border-radius: 999px;
  padding: 4px 12px; margin-bottom: 16px;
}

/* ============ 渠道对比表 ============ */
.compare-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 4px; }
.compare-table th, .compare-table td { padding: 11px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.compare-table th {
  color: var(--mute); font-weight: 600; font-size: 11px;
  font-family: var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase;
}
.compare-table td { color: var(--ink-2); }
.compare-table td:first-child { color: var(--ink); font-weight: 500; }
.compare-table td.ok { color: var(--accent); font-weight: 600; font-family: var(--font-mono); }
.compare-table a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ============ 通用工具 ============ */
.divider { height: 1px; background: var(--line); margin: 16px 0; }
.mini-note { display: flex; gap: 8px; align-items: baseline; font-size: 12.5px; color: var(--mute); margin-top: 12px; line-height: 1.6; }
.mono { font-family: var(--font-mono); }
.small { font-size: 12.5px; color: var(--mute); }
.small b { color: var(--ink-2); }
.small a { text-decoration: underline; text-underline-offset: 3px; }
.spin {
  display: inline-block; width: 16px; height: 16px; vertical-align: -3px; margin-right: 6px;
  border: 2px solid rgba(255, 255, 255, 0.35); border-top-color: #fff;
  border-radius: 50%; animation: fvspin 0.8s linear infinite;
}
.btn-ghost .spin { border-color: var(--accent-soft); border-top-color: var(--accent); }
@keyframes fvspin { to { transform: rotate(360deg); } }

.trust-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.trust-chip {
  font-size: 12px; color: var(--ink-2); background: var(--card);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px;
}

.highlight-login { animation: fvring 1.2s ease 2; }
@keyframes fvring {
  0%, 100% { box-shadow: var(--shadow-sm); }
  50% { box-shadow: 0 0 0 5px rgba(181, 71, 46, 0.25); }
}

/* ============ Sticky CTA ============ */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  background: rgba(246, 239, 223, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-top: 1px solid var(--line);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  display: none; align-items: center; gap: 14px;
}
.sticky-cta.show { display: flex; }
.sticky-cta-inner { max-width: var(--w-wide); margin: 0 auto; width: 100%; display: flex; align-items: center; gap: 14px; }
.sticky-cta .p { font-size: 12.5px; color: var(--ink-2); line-height: 1.35; white-space: nowrap; }
.sticky-cta .p b { display: block; color: var(--accent); font-family: var(--font-mono); font-size: 18px; font-weight: 700; }
.sticky-cta .btn { flex: 1; min-height: 44px; padding: 10px 14px; font-size: 15px; margin: 0; }

/* ============ 桌面端布局 ============ */
@media (min-width: 880px) {
  :root { --gutter: 32px; }
  body { font-size: 15.5px; }

  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; }
  .shots { margin: 0; padding: 12px 0; overflow: visible; justify-content: center; align-items: flex-start; }
  .shots img { width: 31%; max-width: 200px; }
  .shots img:nth-child(2) { transform: translateY(-14px); }
  .shots img:nth-child(3) { transform: translateY(8px); }

  .pkg-grid { grid-template-columns: repeat(4, 1fr); }
  .guide-grid { grid-template-columns: repeat(3, 1fr); }

  .tavern-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 44px; align-items: start; }
  .tavern-grid > div:last-child { align-self: center; }

  .download-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 32px; align-items: start; }

  .sticky-cta .p { font-size: 13px; }
  .sticky-cta .btn { flex: 0 0 auto; width: auto; min-width: 300px; margin-left: auto; }

  /* 桌面端：全宽按钮收窄，避免 1080px 拉满的笨重感 */
  .buy-btn-wide { max-width: 460px; margin-left: auto; margin-right: auto; }
  .auth-narrow { max-width: 600px; }
}

@media (max-width: 480px) {
  .topbar-inner { gap: 10px; min-height: 54px; }
  .topbar nav { gap: 0; }
  .topbar nav a { padding: 0 8px; font-size: 13px; }
  .topbar nav a.nav-cta { padding: 0 10px; margin-left: 2px; }
  .brand img { width: 26px; height: 26px; }
  .brand-wordmark .name { font-size: 15px; }
}

@media (max-width: 420px) {
  .otp-row { flex-wrap: wrap; }
  .otp-row .btn { width: 100%; padding: 10px 16px; }
}