:root {
  --bg: #f4f1ea;
  --bg-2: #efeae0;
  --paper: #fffdf8;
  --ink: #171512;
  --ink-2: #4b4740;
  --ink-3: #8a8378;
  --line: #e0d8c9;
  --line-2: #cfc4b2;
  --accent: #14624a;
  --accent-2: #1f8a68;
  --accent-soft: #e4f0e9;
  --warn: #a8481f;
  --warn-soft: #f8e9df;
  --gold: #b5852f;
  --gold-soft: #f6ecd6;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 1px 0 rgba(23, 21, 18, .04), 0 18px 40px -28px rgba(23, 21, 18, .28);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -.02em; font-weight: 650; }
p { margin: 0; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hidden { display: none !important; }
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.row { display: flex; align-items: center; gap: 10px; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.stack { display: grid; gap: 16px; }
.grow { flex: 1; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -.03em; font-size: 17px; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: var(--ink); color: #f4f1ea; font-size: 13px; font-family: var(--mono); font-weight: 700;
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 11px; border-radius: 999px; font-size: 13.5px; color: var(--ink-2);
}
.nav a:hover, .nav a.active { background: var(--paper); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.top-cta { display: flex; align-items: center; gap: 8px; }

/* ---------- 语言切换 ---------- */
.lang-switch select {
  appearance: none; -webkit-appearance: none;
  border: 1px solid var(--line-2); background: var(--paper); color: var(--ink);
  padding: 7px 26px 7px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  cursor: pointer; line-height: 1.2;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 14px) 55%, calc(100% - 9px) 55%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
.lang-switch select:hover { border-color: var(--ink-3); }
.lang-switch select:focus-visible { outline: 2px solid var(--ink-3); outline-offset: 1px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line-2); background: var(--paper); color: var(--ink);
  padding: 10px 16px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 600;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -12px rgba(23,21,18,.4); }
.btn:active { transform: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fbf8f1; }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; border-color: var(--line-2); }
.btn.sm { padding: 6px 12px; font-size: 12.5px; }
/* 交付/账户页售后卡片：点击区统一 ≥44px（移动端与桌面端一致） */
#supportCard .btn, #supportSection .btn,
#supportCard input, #supportCard select, #supportCard textarea,
#supportSection input, #supportSection select, #supportSection textarea { min-height: 44px; }
#supportCard .btn-row, #supportSection .btn-row { gap: 10px; }
.btn.block { width: 100%; }
.btn.danger { color: var(--warn); border-color: #e3c3b3; background: var(--warn-soft); }

/* ---------- 卡片 / 表单 ---------- */
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px;
}
.card.flat { box-shadow: none; }
.card.tight { padding: 16px; border-radius: var(--radius-sm); }
label.field { display: grid; gap: 6px; font-size: 13px; color: var(--ink-2); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], select, textarea {
  width: 100%; padding: 11px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--line-2); background: #fff; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.check { display: flex; align-items: flex-start; gap: 8px; font-size: 12.5px; color: var(--ink-2); }
.check input { margin-top: 3px; }
.note {
  background: var(--gold-soft); border: 1px solid #e8d6ac; color: #6b4d12;
  padding: 12px 14px; border-radius: var(--radius-sm); font-size: 13px;
}
.note.info { background: var(--accent-soft); border-color: #c5ded1; color: #14513d; }
.note.warn { background: var(--warn-soft); border-color: #ecd0c0; color: #7c3617; }
.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 650; background: var(--bg-2); color: var(--ink-2);
  border: 1px solid var(--line);
}
.badge.lead { background: #f0ece2; color: #5e5546; }
.badge.starter { background: var(--accent-soft); color: #14513d; border-color: #c9e1d5; }
.badge.core { background: #f6ecd6; color: #74531a; border-color: #e8d6ac; }
.badge.team { background: #e8e4f2; color: #4d3f75; border-color: #d6cfe8; }
.badge.ok { background: var(--accent-soft); color: var(--accent); border-color: #c9e1d5; }
.badge.off { background: var(--warn-soft); color: var(--warn); border-color: #ecd0c0; }

/* ---------- 首屏 ---------- */
.hero { padding: 74px 0 48px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 42px; align-items: center; }
.eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 650; }
.hero h1 { font-size: clamp(38px, 5vw, 64px); letter-spacing: -.045em; margin: 14px 0 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-lead { font-size: 17px; color: var(--ink-2); max-width: 54ch; }
.hero-actions { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.hero-proof { display: flex; gap: 22px; margin-top: 34px; flex-wrap: wrap; }
.hero-proof div { font-size: 12.5px; color: var(--ink-3); }
.hero-proof strong { display: block; color: var(--ink); font-size: 15px; font-weight: 650; }
.hero-art {
  border-radius: 26px; border: 1px solid var(--line);
  background: linear-gradient(150deg, #fdfaf3, #e9eee7 58%, #f0e6d6);
  padding: 22px; min-height: 380px; position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.hero-art .ring { position: absolute; border-radius: 50%; border: 1px solid rgba(20,98,74,.25); }
.hero-art .ring.a { width: 340px; height: 340px; right: -90px; top: -80px; }
.hero-art .ring.b { width: 220px; height: 220px; right: -30px; top: -20px; }
.hero-art .receipt {
  position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px; width: 88%; box-shadow: 0 22px 40px -30px rgba(23,21,18,.5);
}
.receipt .line { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 12.5px; }
.receipt .line:last-child { border: 0; }
.hero-art .stamp {
  position: absolute; right: 18px; bottom: 20px; transform: rotate(-7deg);
  border: 2px solid var(--accent); color: var(--accent); border-radius: 10px; padding: 8px 12px;
  font-weight: 800; letter-spacing: .08em; font-size: 12px; background: rgba(255,255,255,.6);
}

/* ---------- 商品 ---------- */
.section { padding: 54px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.section-head h2 { font-size: clamp(26px, 3vw, 38px); }
.section-head p { color: var(--ink-3); font-size: 13.5px; max-width: 52ch; margin-top: 6px; }
.tier-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tier-tabs button {
  border: 1px solid var(--line); background: transparent; border-radius: 999px;
  padding: 7px 13px; font-size: 12.5px; cursor: pointer; color: var(--ink-2);
}
.tier-tabs button.active { background: var(--ink); color: #fbf8f1; border-color: var(--ink); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.product .cover { aspect-ratio: 16 / 10; background: var(--bg-2); position: relative; overflow: hidden; }
.product .cover img { width: 100%; height: 100%; object-fit: cover; }
.product .cover .tier-badge { position: absolute; top: 12px; left: 12px; }
.product .body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product h3 { font-size: 18px; }
.product .tagline { font-size: 13px; color: var(--ink-2); }
.product .price-row { display: flex; align-items: baseline; gap: 8px; margin-top: auto; }
.price { font-size: 26px; font-weight: 750; letter-spacing: -.03em; }
.price .unit { font-size: 12px; color: var(--ink-3); font-weight: 500; margin-left: 2px; }
.compare { color: var(--ink-3); text-decoration: line-through; font-size: 12.5px; }
.product .meta { display: flex; gap: 6px; flex-wrap: wrap; }
.product .actions { display: flex; gap: 8px; }

/* ---------- 结算 / 支付 ---------- */
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: start; }
.summary { position: sticky; top: 86px; }
.summary .item { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; }
.summary .item.total { border-bottom: 0; padding-top: 14px; font-weight: 700; font-size: 16px; }
.pay-options { display: grid; gap: 10px; }
.pay-option {
  display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 12px;
  border: 1px solid var(--line); cursor: pointer; background: #fff;
}
.pay-option.active { border-color: var(--accent); background: var(--accent-soft); }
.pay-option input { accent-color: var(--accent); }
.pay-icon { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--bg-2); font-size: 13px; font-weight: 700; }
.qr-box {
  width: 190px; height: 190px; margin: 0 auto; border-radius: 14px; border: 1px dashed var(--line-2);
  display: grid; place-items: center; background: repeating-linear-gradient(45deg, #fbf8f1, #fbf8f1 6px, #f3eee4 6px, #f3eee4 12px);
  font-family: var(--mono); font-size: 11px; color: var(--ink-3); text-align: center; padding: 12px;
}
.steps { display: flex; gap: 0; flex-wrap: wrap; margin: 18px 0 6px; }
.step { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-3); }
.step::after { content: ""; width: 26px; height: 1px; background: var(--line-2); margin: 0 10px; }
.step:last-child::after { display: none; }
.step .dot { width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; font-size: 10px; background: #fff; }
.step.done { color: var(--accent); }
.step.done .dot { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- 定价 ---------- */
.billing-toggle { display: inline-flex; padding: 4px; background: var(--bg-2); border-radius: 999px; border: 1px solid var(--line); }
.billing-toggle button { border: 0; background: transparent; padding: 8px 16px; border-radius: 999px; cursor: pointer; font-size: 13px; color: var(--ink-2); }
.billing-toggle button.active { background: var(--paper); color: var(--ink); box-shadow: 0 1px 4px rgba(0,0,0,.08); font-weight: 650; }
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.plan-card { display: flex; flex-direction: column; gap: 16px; position: relative; }
.plan-card.featured { border-color: var(--accent); box-shadow: 0 24px 50px -30px rgba(20,98,74,.4); }
.plan-card .flag { position: absolute; top: -12px; left: 20px; background: var(--accent); color: #fff; font-size: 11px; padding: 3px 10px; border-radius: 999px; letter-spacing: .04em; }
.plan-price { font-size: 40px; font-weight: 780; letter-spacing: -.05em; }
.plan-price span { font-size: 13px; color: var(--ink-3); font-weight: 500; letter-spacing: 0; }
.plan-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; font-size: 13px; color: var(--ink-2); }
.plan-list li::before { content: "·"; color: var(--accent); font-weight: 900; margin-right: 8px; }
.plan-compare { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.plan-compare .cell { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px; font-size: 12px; }
.plan-compare .cell strong { display: block; font-size: 13px; margin-bottom: 4px; }

/* ---------- 表格 / 后台 ---------- */
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-weight: 650; color: var(--ink-3); background: #fbf8f1; position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.kpi { padding: 16px; border-radius: 14px; background: var(--paper); border: 1px solid var(--line); }
.kpi .label { font-size: 11.5px; color: var(--ink-3); letter-spacing: .04em; }
.kpi .value { font-size: 26px; font-weight: 760; letter-spacing: -.04em; margin-top: 4px; }
.kpi .sub { font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
.funnel { display: grid; gap: 8px; }
.funnel-row { display: grid; grid-template-columns: 120px 1fr 90px; gap: 12px; align-items: center; font-size: 12.5px; }
.bar { height: 12px; background: var(--bg-2); border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.bar i.warn { background: var(--gold); }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 11.5px; color: var(--ink-3); }
.chart { width: 100%; height: 190px; }
.chart rect { fill: var(--accent-2); opacity: .85; }
.chart line { stroke: var(--line); stroke-width: 1; }
.chart text { fill: var(--ink-3); font-size: 9px; }

/* ---------- 内容/Agent ---------- */
.content-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.locked { position: relative; overflow: hidden; }
.locked .preview { filter: blur(3px); opacity: .55; user-select: none; }
.lock-overlay { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; margin-top: 10px; }
.chat { display: grid; gap: 12px; }
.bubble { padding: 12px 14px; border-radius: 14px; max-width: 86%; font-size: 13.5px; white-space: pre-wrap; }
.bubble.user { justify-self: end; background: var(--ink); color: #fbf8f1; }
.bubble.bot { background: var(--bg-2); border: 1px solid var(--line); }
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(10px);
  background: var(--ink); color: #fbf8f1; padding: 10px 16px; border-radius: 999px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: all .2s ease; z-index: 60;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

footer.site { border-top: 1px solid var(--line); padding: 34px 0 50px; margin-top: 40px; color: var(--ink-3); font-size: 12.5px; }
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
footer.site h4 { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }
footer.site a { display: block; padding: 3px 0; }
footer.site a:hover { color: var(--ink); }

@media (max-width: 980px) {
  .hero-grid, .split, .plan-grid, .content-grid { grid-template-columns: minmax(0, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding-top: 46px; }
  .summary { position: static; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  footer.site .cols { grid-template-columns: 1fr; }
  .nav { display: none; }
}
@media (max-width: 620px) {
  .wrap { width: calc(100% - 28px); }
  .product-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .funnel-row { grid-template-columns: 88px 1fr 64px; }
  .top-cta .btn { padding: 8px 12px; font-size: 12.5px; }
}

/* ======================= 移动端可达性 / 结算补充 ======================= */
html { scroll-padding-top: 120px; scroll-padding-bottom: 45vh; }
.field input, .field select, .field textarea { scroll-margin-top: 120px; scroll-margin-bottom: 45vh; }
.req { font-style: normal; color: var(--warn); font-size: 11px; font-weight: 650; margin-left: 4px; }
.optional-fields { border-top: 1px dashed var(--line); padding-top: 6px; }
.optional-fields summary {
  cursor: pointer; font-size: 12.5px; color: var(--ink-2); list-style: none;
  min-height: 40px; display: flex; align-items: center; gap: 6px;
}
.optional-fields summary::-webkit-details-marker { display: none; }
.optional-fields summary::before { content: "＋"; color: var(--accent); font-weight: 700; }
.optional-fields[open] summary::before { content: "－"; }
.mobile-paybar { display: none; }

@media (max-width: 620px) {
  .mobile-paybar {
    display: flex; align-items: center; gap: 12px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
  }
  .mobile-paybar .btn { min-height: 46px; padding: 0 18px; flex: 0 0 auto; }
  .mobile-paybar strong { font-size: 18px; margin-left: 8px; }
  main.wrap { padding-bottom: 82px; }
  .brand-en { display: none; }
  .brand { min-height: 44px; display: inline-flex; align-items: center; }
  footer.site a { padding: 12px 0; }
  .nav a { padding: 11px 12px; min-height: 44px; display: inline-flex; align-items: center; }
  .top-cta .btn { min-height: 44px; padding: 10px 14px; }
  .lang-switch select { min-height: 44px; }
  .pay-option { padding: 14px 12px; }
  .pay-option input[type=radio], .pay-option input[type=checkbox] { width: 20px; height: 20px; }
  .btn.sm { min-height: 44px; padding: 10px 14px; }
  input.input, select.input, textarea.input, .field input, .field select, .field textarea { min-height: 44px; }
}

.brand-en { font-size: 9.5px; letter-spacing: .14em; color: var(--ink-3); font-weight: 650; margin-left: 5px; }
.user-chip {
  display: inline-flex; align-items: center; gap: 8px; max-width: 250px;
  padding: 4px 5px 4px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper);
  font-size: 12.5px;
}
.user-chip .email { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toast.error { background: var(--warn); }
.toast.ok { background: var(--accent); }
.page-head { padding: 38px 0 8px; }
.page-head h1 { font-size: clamp(30px, 4vw, 46px); }
.page-head p { color: var(--ink-2); margin-top: 8px; max-width: 64ch; }
.page-head .row { margin-top: 14px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stack-8 { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; }
.stack-10 { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.stack-20 { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.section-title { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.mini-note { font-size: 11.5px; color: var(--ink-3); line-height: 1.6; }
.kv { display: grid; gap: 0; }
.kv-row { display: flex; justify-content: space-between; gap: 14px; font-size: 13px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.kv-row:last-child { border-bottom: 0; }
.kv-row strong { font-weight: 650; text-align: right; }
.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); font-size: 11.5px; color: var(--ink-2);
}
.tag.gold { background: var(--gold-soft); border-color: #e8d6ac; color: #6b4d12; }
.tag.green { background: var(--accent-soft); border-color: #c9e1d5; color: #14513d; }
.tag.red { background: var(--warn-soft); border-color: #ecd0c0; color: #7c3617; }
.hint-list { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--ink-2); display: grid; gap: 4px; }
.form-grid { display: grid; gap: 14px; }
.form-grid.two { grid-template-columns: 1fr 1fr; }
.form-grid.three { grid-template-columns: repeat(3, 1fr); }
.form-error {
  display: none; background: var(--warn-soft); border: 1px solid #ecd0c0; color: #7c3617;
  padding: 10px 12px; border-radius: var(--radius-sm); font-size: 12.5px;
}
.form-error.show { display: block; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tier-group { margin-top: 30px; }
.tier-group:first-of-type { margin-top: 18px; }
.tier-group-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.tier-group-head h2 { font-size: 20px; }
.tier-group-head .hint { font-size: 12.5px; color: var(--ink-3); }
.product .cover svg { width: 100%; height: 100%; }
.product .tagline { min-height: 38px; }
.product .addon-link {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  border: 1px dashed var(--line-2); border-radius: 10px; padding: 7px 10px;
  font-size: 12px; color: var(--ink-2); background: #fff;
}
.product .addon-link:hover { border-color: var(--accent); color: var(--accent); }
.price-note { font-size: 11.5px; color: var(--ink-3); }
.offer-strip {
  background: linear-gradient(118deg, var(--gold-soft), #fbf6e9 60%, #f4efe2);
  border: 1px solid #e8d6ac; border-radius: 20px; padding: 22px 24px;
  display: grid; grid-template-columns: 1.4fr .6fr; gap: 20px; align-items: center;
}
.offer-strip h2 { font-size: clamp(22px, 2.6vw, 30px); }
.offer-price { font-size: 34px; font-weight: 780; letter-spacing: -.04em; }
.offer-price span { font-size: 12px; color: var(--ink-3); font-weight: 500; }
.plan-card .trial-note { font-size: 11.5px; color: var(--ink-3); }
.plan-card .plan-badge { position: absolute; top: -12px; right: 18px; }
.plan-features { display: grid; gap: 6px; }
.plan-feature { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--ink-2); }
.plan-feature strong { font-weight: 650; color: var(--ink); }
.modal-backdrop {
  position: fixed; inset: 0; z-index: 70; background: rgba(23, 21, 18, .46);
  display: grid; place-items: center; padding: 20px;
}
.modal-backdrop.hidden { display: none !important; }
.modal-card {
  width: min(620px, 100%); max-height: 90vh; overflow: auto;
  background: var(--paper); border: 1px solid var(--line); border-radius: 20px; padding: 26px;
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .55);
}
.modal-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.modal-title h3 { font-size: 19px; }
.drawer-card { width: min(920px, 100%); }
.detail-grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.detail-kv { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.detail-kv span { color: var(--ink-3); }
.detail-kv strong { font-weight: 650; word-break: break-all; text-align: right; }
.pager { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.pager .mono { font-size: 12px; color: var(--ink-2); }
.timeline { display: grid; gap: 0; border-left: 2px solid var(--line); padding-left: 18px; margin-left: 4px; }
.timeline .ti { position: relative; padding: 0 0 18px; }
.timeline .ti:last-child { padding-bottom: 0; }
.timeline .ti::before {
  content: ""; position: absolute; left: -24px; top: 4px; width: 10px; height: 10px;
  border-radius: 50%; background: var(--paper); border: 2px solid var(--accent);
}
.timeline .when { font-size: 11.5px; color: var(--ink-3); font-family: var(--mono); }
.timeline .what { font-size: 13.5px; }
.usage { display: grid; gap: 6px; }
.usage .usage-head { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; }
.usage .track { height: 9px; border-radius: 999px; background: var(--bg-2); overflow: hidden; }
.usage .track i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.usage .track i.warn { background: var(--gold); }
.lock-flag {
  position: absolute; top: 12px; right: 12px; display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px; background: rgba(255, 253, 248, .92);
  border: 1px solid var(--line-2); font-size: 11px; color: var(--ink-2);
}
.content-body {
  white-space: pre-wrap; word-break: break-word; font-size: 12.5px; line-height: 1.8;
  color: var(--ink-2); background: #fbf8f1; border: 1px solid var(--line);
  border-radius: 12px; padding: 16px; max-height: 480px; overflow: auto;
  font-family: var(--mono);
}
.content-card.locked .preview { filter: blur(2px); opacity: .6; user-select: none; }
.chat-shell { display: grid; grid-template-columns: 1fr 320px; gap: 20px; align-items: start; }
.chat-log { max-height: 520px; overflow: auto; padding-right: 6px; }
.chat-input { display: flex; gap: 10px; align-items: flex-end; margin-top: 12px; }
.chat-input textarea { min-height: 64px; resize: vertical; }
.quota-bar { display: grid; gap: 8px; }
.admin-tabs {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px;
  border-bottom: 1px solid var(--line); margin-bottom: 20px;
}
.admin-tabs button {
  border: 1px solid var(--line); background: transparent; border-radius: 999px;
  padding: 7px 14px; font-size: 12.5px; cursor: pointer; color: var(--ink-2); white-space: nowrap;
}
.admin-tabs button.active { background: var(--ink); color: #fbf8f1; border-color: var(--ink); }
.kpi-grid.eight { grid-template-columns: repeat(4, 1fr); }
.funnel-step {
  display: grid; grid-template-columns: 96px 1fr 78px 70px 86px; gap: 10px;
  align-items: center; font-size: 12.5px;
}
.funnel-step .fs-name { color: var(--ink-2); }
.funnel-step .fs-bar { height: 12px; background: var(--bg-2); border-radius: 999px; overflow: hidden; }
.funnel-step .fs-bar i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.funnel-step .fs-bar i.gold { background: var(--gold); }
.funnel-step .fs-actual { font-family: var(--mono); text-align: right; }
.funnel-step .fs-rate { font-family: var(--mono); text-align: right; }
.funnel-step .fs-target { font-size: 11.5px; color: var(--ink-3); text-align: right; }
.funnel-note { font-size: 11.5px; color: var(--ink-3); margin-top: 8px; }
.empty { padding: 20px; text-align: center; color: var(--ink-3); font-size: 13px; }
.table td.num, .table th.num { text-align: right; font-family: var(--mono); }
.code-box {
  font-family: var(--mono); font-size: 13px; background: #fbf8f1; border: 1px dashed var(--line-2);
  border-radius: 10px; padding: 10px 12px; word-break: break-all; letter-spacing: .04em;
}
.delivery-list { display: grid; gap: 10px; }
.delivery-item {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: #fff;
  display: grid; gap: 8px;
}
.qr-live {
  width: 190px; min-height: 190px; margin: 0 auto; border-radius: 14px; border: 1px dashed var(--line-2);
  display: grid; place-items: center; background: #fff; padding: 12px; text-align: center;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3); word-break: break-all;
}
.toggle-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.toggle-row:last-child { border-bottom: 0; }
.sandbox-banner {
  background: var(--gold-soft); border: 1px solid #e8d6ac; color: #6b4d12;
  border-radius: 14px; padding: 12px 16px; font-size: 13px;
}
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); margin-right: 6px; }
.status-dot.ok { background: var(--accent); }
.status-dot.warn { background: var(--gold); }
.status-dot.bad { background: var(--warn); }
.progress-line { display: flex; gap: 10px; align-items: center; }
.progress-line .bar { flex: 1; }
.section-divider { height: 1px; background: var(--line); margin: 26px 0; }
.section-head.compact { margin-bottom: 12px; }
.section-head.compact h2 { font-size: 22px; }
.hero-mini { padding: 26px 0 6px; }
.hero-mini h1 { font-size: clamp(28px, 3.6vw, 42px); }
.hero-mini p { color: var(--ink-2); margin-top: 8px; max-width: 60ch; }
.mono-label { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--ink-3); }
.plan-list.tight li::before { content: "·"; }
@media (max-width: 980px) {
  .grid-2, .grid-3, .grid-4, .chat-shell, .offer-strip { grid-template-columns: 1fr; }
  .form-grid.three { grid-template-columns: 1fr; }
  .kpi-grid.eight { grid-template-columns: repeat(2, 1fr); }
  .topbar-inner { height: auto; flex-wrap: wrap; padding: 10px 0; gap: 8px; }
  .nav { display: flex; order: 3; width: 100%; overflow-x: auto; padding-bottom: 2px; }
  .nav a { white-space: nowrap; }
  .top-cta { margin-left: auto; }
  .funnel-step { grid-template-columns: 84px 1fr 62px 56px 68px; font-size: 11.5px; }
}
@media (max-width: 620px) {
  .form-grid.two { grid-template-columns: 1fr; }
  .kpi-grid.eight { grid-template-columns: 1fr 1fr; }
  .user-chip .email { max-width: 110px; }
  .funnel-step { grid-template-columns: 74px 1fr 54px 50px 60px; gap: 6px; }
  .funnel-step .fs-target { display: none; }
  .offer-strip { padding: 18px; }
}
/* 商品详情页图区 + 灯箱 */
.product-gallery { margin-top: 18px; }
.gallery-main {
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  background: #f6f4ef;
}
.gallery-open {
  display: block; width: 100%; min-height: 44px; padding: 0; border: 0;
  background: transparent; cursor: zoom-in; font: inherit; color: inherit;
}
.gallery-main img {
  display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain;
  background: #f6f4ef;
}
.gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; overflow-x: auto; padding-bottom: 2px; }
.gallery-thumb {
  flex: 0 0 auto; width: 120px; height: 76px; min-height: 44px; padding: 0;
  border: 2px solid transparent; border-radius: 10px; overflow: hidden;
  background: #fff; cursor: pointer;
}
.gallery-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.active { border-color: var(--accent); }
/* 示意图角标：仅对 -illust 文件显示，词条随页面语言（zh/en/ja/ko/es） */
.gallery-main, .gallery-thumb { position: relative; }
.illust-badge {
  position: absolute; left: 12px; bottom: 12px; z-index: 2;
  display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px;
  background: rgba(0, 0, 0, .64); color: #fff; font-size: 11.5px; letter-spacing: .4px;
  pointer-events: none;
}
.illust-badge.sm { left: 6px; bottom: 6px; padding: 2px 7px; font-size: 10px; }
.lightbox .lightbox-badge { left: 24px; bottom: 24px; font-size: 14px; padding: 6px 14px; }
.lightbox { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; background: rgba(10, 10, 10, .86); }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(1100px, 92vw); max-height: 86vh; border-radius: 12px; background: #111; }
.lightbox-close {
  position: absolute; top: 18px; right: 18px; width: 48px; height: 48px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .35);
  background: rgba(255, 255, 255, .08); color: #fff; font-size: 26px; line-height: 1; cursor: pointer;
}
body.lightbox-open { overflow: hidden; }
main a { overflow-wrap: anywhere; word-break: break-word; }
@media (max-width: 620px) {
  .gallery-main img { aspect-ratio: 4 / 3; }
  .gallery-thumb { width: 96px; height: 64px; }
  .facts { table-layout: fixed; width: 100%; }
  .facts th:first-child { width: 96px; }
  .facts th, .facts td { white-space: normal; overflow-wrap: anywhere; word-break: break-word; }
}