/* Gemini 代订阅 · 设计变量与组件写法对齐 sheerid.dajuxai.com */
:root {
  --accent: #e87637;
  --accent-dark: #c65a20;
  --accent-soft: #fffaf6;
  --accent-line: #e7a582;
  --ink: #222724;
  --muted: #838780;
  --faint: #a2a898;
  --line: #e5e7e1;
  --line-soft: #e9ebe5;
  --bg: #f7f7f5;
  --field-bg: #fbfcf9;
  --ok: #3f7d4e;
  --ok-soft: #eef5ec;
  --warn: #a8691b;
  --warn-soft: #fbf3e4;
  --bad: #b94e30;
  --bad-soft: #fff2ec;
  --mono: SFMono-Regular, Consolas, Menlo, monospace;
  /* 后台沿用的旧变量名 */
  --panel: #fff;
  --panel-2: #fafaf8;
  --text: var(--ink);
  --brand: var(--accent);
  --brand-strong: var(--accent-dark);
  --brand-soft: #fdf0e8;
  --brand-ring: rgba(232, 118, 55, 0.18);
  --line-strong: #dfe3d8;
  --radius: 21px;
  --radius-sm: 11px;
  --shadow-lg: 0 20px 50px -20px rgba(39, 52, 32, 0.25);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { min-height: 100vh; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4, p { margin-top: 0; }
input:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 4px;
}

.shell { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.eyebrow { font-size: 10px; letter-spacing: 2px; font-weight: 650; color: #93968e; }

/* ---------- buttons ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  border: 1px solid transparent; border-radius: 10px;
  font-size: 13px; font-weight: 600; padding: 12px 18px; line-height: 1.4;
  transition: background .2s, transform .2s;
}
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button:disabled { opacity: .55; cursor: not-allowed; }
.primary { background: var(--accent); color: #fff; box-shadow: 0 4px 12px #de71351a; }
.primary:hover:not(:disabled) { background: #d9682c; }
.secondary { background: #fff; border-color: var(--line); }
.secondary:hover { background: #fafaf8; }
.secondary.danger { color: var(--bad); border-color: #f4d9cd; }
.full { width: 100%; }
.text-button { border: 0; background: none; color: var(--accent-dark); display: inline-flex; align-items: center; gap: 4px; padding: 0; font-size: 12px; }

/* ---------- header ---------- */
.site-header {
  height: 78px; border-bottom: 1px solid #eceee8;
  background: #ffffffb8; -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  position: relative; z-index: 5;
}
.nav-shell { max-width: 1260px; height: 100%; padding: 0 40px; margin: auto; display: flex; justify-content: space-between; align-items: center; }
.brand-group { display: flex; align-items: center; }
.brand { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.brand-symbol { width: 36px; height: 36px; border-radius: 11px; background: var(--accent); display: grid; place-items: center; color: #fff; }
.brand strong { font-size: 19px; letter-spacing: 1px; }
.brand strong span { font-size: 10px; margin-left: 7px; color: #95988f; font-weight: 600; letter-spacing: 1.5px; }
.nav-divider { width: 1px; height: 19px; background: var(--line); margin: 0 22px; }
.nav-caption { font-size: 12px; color: #92958e; line-height: 1; }
.site-header nav { display: flex; align-items: center; gap: 26px; font-size: 12px; color: #777c74; }
.site-header nav a:hover, .nav-link:hover { color: var(--ink); }
.nav-link { border: 0; background: none; padding: 0; font-size: 12px; color: #777c74; }
.nav-link.is-active { color: var(--ink); font-weight: 600; }
.nav-order {
  display: inline-flex; align-items: center; gap: 7px;
  background: #282d29; color: #fff; border: 0; border-radius: 8px; font-size: 11px; font-weight: 600; padding: 10px 15px;
}
.nav-order:hover, .nav-order.is-active { background: #1b1f1c; }

/* ---------- hero (左文案 + 右兑换卡) ---------- */
.hero { display: grid; grid-template-columns: 1fr 480px; gap: 70px; padding-top: 72px; padding-bottom: 56px; align-items: start; }
.hero-copy { padding-top: 14px; }
.hero-eyebrow { display: flex; align-items: center; gap: 8px; letter-spacing: 1px; font-size: 11px; margin-bottom: 24px; color: #8c9286; }
.tiny-leaf { display: block; width: 16px; height: 8px; background: #c3cbb4; border-radius: 12px 2px; transform: rotate(-25deg); }
.hero h1 { font-size: 57px; letter-spacing: -2.5px; font-weight: 650; line-height: 1.23; margin: 0 0 24px; }
.hero h1 > span { color: var(--accent); }
.hero-description { color: #848980; font-size: 15px; line-height: 1.9; margin-bottom: 22px; }
.hero-pills { display: flex; gap: 20px; color: #767d72; font-size: 11px; }
.hero-pills span { display: flex; align-items: center; gap: 6px; }
.hero-pills svg { color: #9ba38f; }
.hero-note { display: flex; gap: 10px; color: #949a8c; align-items: flex-start; margin-top: 40px; max-width: 400px; }
.hero-note svg { flex: none; margin-top: 3px; }
.hero-note p { font-size: 11px; line-height: 1.9; margin: 0; }
.hero-note span { color: #a5aa9f; }
.notice { margin: 24px 0 0; padding: 12px 14px; border-radius: 10px; font-size: 12px; background: var(--warn-soft); color: var(--warn); border: 1px solid #f0e0c4; }

/* ---------- checkout card ---------- */
.checkout-card { background: #fff; border: 1px solid #e5e8df; border-radius: 21px; padding: 29px 30px 21px; box-shadow: 0 8px 40px #27342004; }
.card-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-label { display: flex; align-items: center; gap: 6px; font-size: 9px; letter-spacing: 2px; color: #8d9484; font-weight: 600; }
.card-label > span { width: 5px; height: 5px; background: #94a17e; border-radius: 50%; }
.step-label { font-size: 9px; letter-spacing: .5px; color: #a4a99d; }
.checkout-card h2 { font-size: 23px; font-weight: 600; letter-spacing: -.5px; margin-bottom: 7px; }
.card-subtitle { font-size: 11px; margin-bottom: 22px; }

.pay-mode-switch { display: flex; gap: 4px; padding: 4px; margin-bottom: 22px; background: #f1f1ee; border-radius: 10px; }
.pay-mode-switch button { flex: 1; height: 36px; border: none; border-radius: 7px; background: transparent; color: #6b6f68; font-size: 13px; font-weight: 600; transition: all .15s; }
.pay-mode-switch button.is-active { background: #fff; color: var(--ink); box-shadow: 0 1px 3px #00000014; }

fieldset { border: 0; padding: 0; margin: 0 0 23px; min-width: 0; }
legend { padding: 0; display: flex; align-items: center; gap: 8px; width: 100%; font-size: 11px; font-weight: 550; margin-bottom: 13px; }
.legend-note { margin-left: auto; font-weight: 400; font-size: 10px; color: var(--faint); }
.step-number { font-size: 9px; width: 18px; height: 18px; border: 1px solid #e8e9e4; border-radius: 5px; display: inline-grid; place-items: center; color: #a0a495; font-weight: 500; }

/* 套餐选项 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.product-option {
  text-align: left; background: #fff; border: 1px solid var(--line-soft); border-radius: 11px;
  padding: 13px 14px; transition: border-color .2s, background .2s; display: flex; flex-direction: column;
}
.product-option:hover:not(:disabled) { border-color: #dcdfd6; }
.product-option.is-active { border-color: var(--accent-line); background: var(--accent-soft); box-shadow: inset 0 0 0 1px #e7a58222; }
.product-option:disabled { opacity: .45; cursor: not-allowed; }
.product-top { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-bottom: 9px; }
.product-top strong { font-size: 13px; font-weight: 600; }
.radio-dot { width: 13px; height: 13px; display: grid; place-items: center; border: 1px solid #d7dcd1; border-radius: 50%; }
.is-active .radio-dot { border-color: var(--accent); background: var(--accent); }
.radio-dot > span { width: 5px; height: 5px; background: #fff; border-radius: 50%; }
.product-description { font-size: 9px; color: #969c8f; }
.product-price { font-size: 15px; font-weight: 600; margin-top: 10px; letter-spacing: -.5px; }
.product-price small { font-weight: 400; font-size: 9px; color: #a4a89d; margin-left: 4px; letter-spacing: 0; }

/* 输入 */
.code-input, .field input {
  width: 100%; font: inherit; font-size: 12px; color: #526049;
  background: var(--field-bg); border: 1px solid #e6e9e1; border-radius: 9px; padding: 11px 12px;
  transition: border-color .15s, box-shadow .15s;
}
.code-input { resize: vertical; min-height: 64px; max-height: 260px; line-height: 1.7; }
.code-input::placeholder, .field input::placeholder { color: #aab19e; font-size: 11px; }
.code-input:focus, .field input:focus { outline: none; border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--brand-ring); }
.is-bad { border-color: #e9a690 !important; box-shadow: 0 0 0 3px #f4d9cd !important; }
.input-hint { font-size: 10px; color: var(--faint); margin: 7px 0 0; line-height: 1.7; }
.input-hint.ok { color: var(--ok); }
.input-hint.bad { color: var(--bad); }
.shop-link { display: inline-flex; align-items: center; gap: 3px; margin-top: 8px; font-size: 11px; font-weight: 600; color: var(--accent-dark); }
.shop-link:hover { text-decoration: underline; text-underline-offset: 2px; }
.fields-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field > span:first-child { font-size: 10px; color: #7d8277; }
.input-wrap { position: relative; display: block; }
.input-wrap input { padding-right: 38px; }
.eye { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: none; color: #a8ae9f; padding: 6px; display: grid; }
.eye:hover { color: var(--ink); }

/* 2FA 密钥说明（折叠） */
.twofa-help { margin-top: 10px; border: 1px solid var(--line-soft); border-radius: 9px; background: #fcfdfb; padding: 0 12px; }
.twofa-help summary { list-style: none; cursor: pointer; padding: 10px 0; font-size: 11px; color: var(--accent-dark); display: flex; align-items: center; gap: 6px; }
.twofa-help summary::-webkit-details-marker { display: none; }
.twofa-help summary::before { content: "?"; display: inline-grid; place-items: center; width: 14px; height: 14px; border-radius: 50%; border: 1px solid currentColor; font-size: 9px; font-weight: 600; }
.twofa-help p, .twofa-help li { font-size: 11px; line-height: 1.85; color: #6f766a; }
.twofa-help p { margin: 0 0 8px; }
.twofa-help ol { margin: 0 0 8px; padding-left: 18px; }
.twofa-help a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 2px; }
.twofa-help .mono { font-size: 10.5px; color: #526049; }

/* 额度合计 + 提交 */
.checkout-total { display: flex; align-items: center; justify-content: space-between; margin: 4px 0 14px; padding-top: 18px; border-top: 1px dashed var(--line); }
.checkout-total > div { display: flex; flex-direction: column; gap: 5px; }
.checkout-total span { font-size: 11px; color: #60695a; }
.checkout-total small { font-size: 10px; color: var(--faint); }
.checkout-total small.bad { color: var(--bad); }
.checkout-total small.ok { color: var(--ok); }
.checkout-total strong { font-size: 27px; font-weight: 600; letter-spacing: -1px; }
.checkout-button { height: 45px; font-size: 12px; justify-content: space-between; padding: 0 15px; border-radius: 9px; }
.checkout-caption { display: flex; align-items: center; justify-content: center; gap: 5px; color: #a2a99b; font-size: 10px; margin: 12px 0 0; text-align: center; }
.spinner { width: 14px; height: 14px; border-radius: 50%; border: 2px solid #ffffff66; border-top-color: #fff; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 批量 ---------- */
.batch-actions { display: flex; gap: 10px; }
.batch-actions .checkout-button { flex: 1; }
.batch-preview { margin: 0 0 18px; border: 1px solid var(--line); border-radius: 11px; overflow: hidden; }
.bp-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 11px 13px; font-size: 11px; color: #60695a; background: #fafaf8; border-bottom: 1px solid var(--line); }
.bp-head.bp-mismatch { background: var(--bad-soft); color: var(--bad); }
.bp-row { display: flex; gap: 10px; padding: 10px 13px; border-bottom: 1px solid #f0f1ec; font-size: 11px; }
.bp-row:last-child { border-bottom: 0; }
.bp-idx { font-family: var(--mono); color: var(--faint); flex: none; width: 22px; }
.bp-main { min-width: 0; flex: 1; }
.bp-line { color: #4d5548; overflow-wrap: anywhere; }
.bp-line + .bp-line { margin-top: 3px; }
.bp-fields { margin-top: 3px; color: var(--faint); font-size: 10px; }
.bp-warn { margin-top: 3px; color: var(--warn); font-size: 10px; }
.bp-bad { color: var(--bad); }

/* ---------- 任务结果 ---------- */
.order-card { background: #fff; border: 1px solid #e5e8df; border-radius: 21px; padding: 26px 30px; margin: 0 0 40px; box-shadow: 0 8px 40px #27342004; }
.order-head { display: flex; align-items: center; gap: 14px; }
.order-title { flex: 1; min-width: 0; }
.order-title h3 { margin: 0; font-size: 17px; font-weight: 600; }
.order-title p { margin: 3px 0 0; font-size: 11px; color: var(--muted); }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: #c9cdc2; flex: none; }
.status-dot.pending, .status-dot.submitting { background: #d9a441; }
.status-dot.running { background: var(--accent); }
.status-dot.success { background: #5f9a6b; }
.status-dot.failed { background: #c75b3d; }
.order-steps { display: grid; grid-template-columns: repeat(4, 1fr); margin: 24px 0 4px; font-size: 10px; color: var(--faint); text-align: center; }
.tl-step { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.tl-step::before { content: ""; position: absolute; top: 5px; right: 50%; width: 100%; height: 1px; background: var(--line); z-index: 0; }
.tl-step:first-child::before { display: none; }
.tl-step i { position: relative; z-index: 1; width: 11px; height: 11px; border-radius: 50%; background: #fff; border: 1px solid #d3d8cc; }
.tl-step.is-done { color: #60695a; }
.tl-step.is-done i { background: var(--accent); border-color: var(--accent); }
.tl-step.is-done::before { background: var(--accent-line); }
.tl-step.is-active { color: var(--ink); font-weight: 600; }
.tl-step.is-active i { border-color: var(--accent); box-shadow: 0 0 0 4px var(--brand-ring); }
.tl-step.is-fail { color: var(--bad); }
.tl-step.is-fail i { background: #c75b3d; border-color: #c75b3d; }
.order-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 18px; margin: 22px 0 0; padding-top: 18px; border-top: 1px solid var(--line); }
.order-facts > div { min-width: 0; }
.order-facts dt { font-size: 10px; color: var(--faint); margin-bottom: 3px; }
.order-facts dd { margin: 0; font-size: 12px; overflow-wrap: anywhere; }
.order-message { margin: 18px 0 0; padding: 11px 13px; border-radius: 9px; font-size: 12px; line-height: 1.7; background: #fafaf8; border: 1px solid var(--line); color: #4d5548; }
.order-message.ok { background: var(--ok-soft); border-color: #d4e6d3; color: var(--ok); }
.order-message.bad { background: var(--bad-soft); border-color: #f4d9cd; color: var(--bad); }
.order-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.order-actions .button { padding: 9px 14px; font-size: 12px; }

.trust-strip { display: flex; justify-content: space-around; gap: 20px; flex-wrap: wrap; padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #959b8c; font-size: 11px; }
.trust-strip > span { display: flex; align-items: center; gap: 8px; }
.trust-strip svg { width: 15px; height: 15px; color: #9ca58e; }

/* ---------- 查询进度弹窗（同 sheerid .modal） ---------- */
.modal {
  padding: 0; border: 1px solid #e7e9e1; border-radius: 18px;
  width: 460px; max-width: calc(100vw - 28px); max-height: calc(100dvh - 42px);
  box-shadow: 0 24px 90px #18220b25; color: var(--ink); background: #fff;
}
.modal::backdrop { background: #1c231b50; -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px); }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 19px 23px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: #ffffffef; z-index: 1;
}
.modal-head h2 { font-size: 16px; margin: 0; font-weight: 600; }
.icon-button { background: transparent; border: 0; padding: 6px; display: inline-flex; border-radius: 6px; color: #4d5548; }
.icon-button:hover { background: #f3f4f0; }
.lookup-form { padding: 24px; }
.lookup-form > p { font-size: 12px; margin-bottom: 23px; }
.lookup-form label { display: flex; flex-direction: column; gap: 9px; font-size: 12px; color: #69735c; margin-bottom: 20px; }
.lookup-form input {
  width: 100%; background: #fcfcfa; border: 1px solid #e0e4d8; border-radius: 8px;
  padding: 12px; color: var(--ink); font-size: 12px; min-width: 0;
}
.lookup-form input:focus { outline: none; border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--brand-ring); }
.modal .track-results { padding: 0 24px 24px; margin: 0; }
.modal .track-item { padding: 14px 15px; }
.modal .ti-actions { flex-wrap: wrap; }

.track-results { display: grid; gap: 12px; margin-top: 22px; }
.card-balance { display: flex; align-items: baseline; justify-content: space-between; padding: 16px 18px; background: #fff; border: 1px solid #e5e8df; border-radius: 13px; font-size: 12px; color: var(--muted); }
.card-balance strong { font-size: 22px; font-weight: 600; color: var(--ink); letter-spacing: -.5px; }
.track-item { background: #fff; border: 1px solid #e5e8df; border-radius: 13px; padding: 16px 18px; }
.ti-head { display: flex; align-items: center; gap: 10px; }
.ti-head h3 { flex: 1; margin: 0; font-size: 13px; font-weight: 600; }
.ti-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 10px; font-size: 11px; color: var(--muted); }
.ti-meta b { color: #4d5548; font-weight: 500; }
.ti-actions { display: flex; gap: 8px; margin-top: 12px; }
.ti-actions .button { padding: 7px 12px; font-size: 11px; }
.track-item .order-message { margin-top: 10px; font-size: 11px; }
.badge { font-size: 10px; padding: 3px 8px; border-radius: 6px; background: #f1f1ee; color: #6b6f68; white-space: nowrap; }
.badge.pending, .badge.submitting { background: var(--warn-soft); color: var(--warn); }
.badge.running { background: #fdf0e8; color: var(--accent-dark); }
.badge.success { background: var(--ok-soft); color: var(--ok); }
.badge.failed { background: var(--bad-soft); color: var(--bad); }
.empty { text-align: center; padding: 30px 16px; font-size: 12px; color: var(--faint); border: 1px dashed var(--line-strong); border-radius: 13px; }

/* ---------- how / faq / footer ---------- */
.how-section { padding-top: 82px; padding-bottom: 78px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 35px; }
.section-heading h2, .faq-section h2 { font-size: 31px; line-height: 1.4; font-weight: 550; letter-spacing: -1px; margin: 13px 0 0; }
.section-heading h2 span, .faq-section h2 span { color: #9aa08f; }
.tutorial-link { font-size: 11px; margin-bottom: 7px; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.how-card { padding: 19px 0 0; border-top: 1px solid #dfe3d8; }
.how-card > div { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.how-card > div > span { font-size: 11px; font-family: monospace; color: #a7b199; }
.how-card svg { color: #abb59d; width: 20px; height: 20px; }
.how-card h3 { font-size: 14px; font-weight: 550; margin-bottom: 10px; }
.how-card p { font-size: 11px; line-height: 1.95; color: #969e8b; max-width: 290px; margin: 0; }

.faq-section { border-top: 1px solid var(--line); padding-top: 66px; padding-bottom: 70px; display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; }
.faq-section > div > p { font-size: 11px; color: #969e8b; line-height: 1.9; margin: 17px 0 0; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-list details:first-child { padding-top: 0; }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 15px; cursor: pointer; font-size: 12px; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > svg { color: #9da78e; flex-shrink: 0; transition: transform .2s; }
.faq-list details[open] summary > svg { transform: rotate(180deg); }
.faq-list details p { font-size: 11px; line-height: 2; color: #949e88; margin: 15px 30px 0 0; }

.site-footer { display: flex; align-items: center; gap: 30px; border-top: 1px solid var(--line); padding-top: 27px; padding-bottom: 33px; }
.site-footer .brand-symbol { width: 27px; height: 27px; border-radius: 8px; }
.site-footer .brand strong { font-size: 14px; }
.site-footer .brand strong span { font-size: 8px; }
.site-footer > p { font-size: 10px; color: #a5ad9a; margin: 0; flex: 1; }

.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 50; display: grid; gap: 8px; max-width: min(340px, calc(100vw - 36px)); }
.toast { padding: 11px 14px; border-radius: 10px; font-size: 12px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 30px -12px #27342040; }
.toast.ok { border-color: #d4e6d3; color: var(--ok); }
.toast.bad { border-color: #f4d9cd; color: var(--bad); }

/* ---------- 教程页 /guide ---------- */
.guide { max-width: 760px; padding-top: 64px; padding-bottom: 72px; }
.guide-head { margin-bottom: 40px; }
.guide-head h1 { font-size: 40px; font-weight: 650; letter-spacing: -1.5px; line-height: 1.3; margin: 14px 0 12px; }
.guide-head h1 span { color: #9aa08f; }
.guide-head p { font-size: 13px; line-height: 1.9; margin: 0; }
.guide-step { display: grid; grid-template-columns: 56px 1fr; gap: 8px; padding: 30px 0; border-top: 1px solid var(--line); }
.guide-no { font-family: monospace; font-size: 13px; color: var(--accent); padding-top: 4px; }
.guide-body h2 { font-size: 19px; font-weight: 600; letter-spacing: -.3px; margin: 0 0 10px; }
.guide-body p, .guide-body li { font-size: 13px; line-height: 1.95; color: #5d6458; }
.guide-body b { color: var(--ink); font-weight: 600; }
.guide-body a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 2px; }
.guide-link { margin: 0 0 14px; }
.guide-body ol { margin: 0 0 16px; padding-left: 20px; }
.guide-body li { margin-bottom: 6px; padding-left: 2px; }
.guide-check { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; margin: 0 0 14px; border-radius: 10px; background: var(--ok-soft); color: var(--ok); }
.guide-check svg { flex: none; margin-top: 4px; }
.guide-check p { margin: 0; color: var(--ok); }
.guide-check b { color: var(--ok); }
.guide-note { font-size: 12px !important; color: var(--faint) !important; margin: 0; }
.guide-done { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 10px; padding: 24px 26px; background: #fff; border: 1px solid #e5e8df; border-radius: 16px; }
.guide-done h2 { font-size: 17px; font-weight: 600; margin: 0 0 4px; }
.guide-done p { font-size: 12px; margin: 0; }

/* ---------- responsive（断点同 sheerid） ---------- */
@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr 430px; gap: 35px; padding-top: 48px; }
  .hero h1 { font-size: 48px; }
  .checkout-card { padding: 25px; }
  .faq-section { gap: 50px; }
}
@media (max-width: 780px) {
  .nav-shell { padding: 0 22px; }
  .nav-divider { margin: 0 13px; }
  .nav-caption { font-size: 10px; }
  .site-header { height: 67px; }
  .site-header nav { gap: 16px; }
  .site-header nav > a:not(.nav-order), .nav-link { display: none; }
  .hero { grid-template-columns: 1fr; max-width: 580px; margin: 0 auto; gap: 32px; padding-top: 38px; padding-bottom: 35px; }
  .hero-copy { padding: 0; text-align: center; }
  .hero-eyebrow { justify-content: center; margin-bottom: 18px; font-size: 10px; }
  .hero h1 { font-size: 45px; line-height: 1.2; letter-spacing: -2px; margin-bottom: 18px; }
  .hero-description { font-size: 13px; margin-bottom: 18px; }
  .hero-description br { display: none; }
  .hero-pills { justify-content: center; font-size: 10px; }
  .hero-note { display: none; }
  .checkout-card, .order-card { padding: 25px; border-radius: 16px; }
  .order-facts { grid-template-columns: 1fr 1fr; }
  .trust-strip { justify-content: flex-start; display: grid; grid-template-columns: 1fr 1fr; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 16px; }
  .how-grid { grid-template-columns: 1fr; gap: 26px; }
  .faq-section { grid-template-columns: 1fr; gap: 26px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 12px; }
  .guide { padding-top: 40px; }
  .guide-head h1 { font-size: 30px; }
  .guide-step { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 520px) {
  .nav-caption, .nav-divider { display: none; }
  .hero h1 { font-size: 36px; }
  .product-grid, .fields-grid { grid-template-columns: 1fr; }
  .track-form { flex-direction: column; }
  .track-form .button { height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}