/* ===== 前台：瓷白墨色 / 炭灰珊瑚，毛玻璃 ===== */
:root {
  --bg: #f3f0ea;
  --glass: rgba(251, 249, 245, 0.58);
  --glass-strong: rgba(252, 251, 248, 0.82);
  --glass-line: rgba(255, 255, 255, 0.7);
  --line: #ddd6cb;
  --line-soft: #e8e2d8;
  --text: #1d1c1a;
  --text-2: #57534c;
  --muted: #8f897f;
  --primary: #c8553d;
  --primary-2: #c8553d;
  --primary-soft: rgba(200, 85, 61, 0.1);
  --btn-off: #e9e5de;
  --btn-off-text: #a19b91;
  --field: rgba(255, 255, 255, 0.55);
  --glow-1: rgba(226, 168, 132, 0.34);
  --glow-2: rgba(221, 201, 165, 0.38);
  --glow-3: rgba(200, 120, 96, 0.16);
  --shadow: 0 18px 40px rgba(60, 45, 30, 0.08), 0 1px 2px rgba(60, 45, 30, 0.05);
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #1d1d1f;
  --glass: rgba(42, 41, 44, 0.55);
  --glass-strong: rgba(46, 45, 48, 0.8);
  --glass-line: rgba(255, 255, 255, 0.07);
  --line: #343337;
  --line-soft: #2c2b2f;
  --text: #ecebe8;
  --text-2: #b6b2ab;
  --muted: #86827b;
  --primary: #e07a5f;
  --primary-2: #e07a5f;
  --primary-soft: rgba(224, 122, 95, 0.13);
  --btn-off: #2e2d31;
  --btn-off-text: #6f6c67;
  --field: rgba(255, 255, 255, 0.03);
  --glow-1: rgba(224, 122, 95, 0.13);
  --glow-2: rgba(160, 130, 90, 0.10);
  --glow-3: rgba(224, 122, 95, 0.07);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.3);
  --ok: #4cc38a; --ok-soft: rgba(76, 195, 138, 0.13);
  --warn: #e3b04f; --warn-soft: rgba(227, 176, 79, 0.13);
  --bad: #ef6b6b; --bad-soft: rgba(239, 107, 107, 0.13);
  color-scheme: dark;
}
body {
  background:
    radial-gradient(820px 520px at 12% -6%, var(--glow-1) 0%, transparent 62%),
    radial-gradient(760px 520px at 100% 12%, var(--glow-2) 0%, transparent 60%),
    radial-gradient(900px 640px at 70% 110%, var(--glow-3) 0%, transparent 60%),
    var(--bg);
  background-attachment: fixed;
  transition: background-color .25s, color .25s;
}
.glass {
  background: var(--glass); border: 1px solid var(--glass-line); box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(1.25); -webkit-backdrop-filter: blur(22px) saturate(1.25);
}

/* ---------- 左侧菜单 ---------- */
.rail { position: fixed; z-index: 30; left: 18px; top: 22px; width: 76px; border-radius: 22px; padding: 16px 0; display: flex; flex-direction: column; align-items: center; gap: 10px; transition: width .22s ease; overflow: hidden; }
.rail .rbtn { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--glass-strong); color: var(--text-2); cursor: pointer; flex: none; }
.rail .group-label, .rail .ri-text, .rail .collapse-text { display: none; }
.rail .ri { display: flex; align-items: center; gap: 12px; width: 52px; padding: 7px; border-radius: 14px; border: 1px solid transparent; color: var(--text-2); cursor: pointer; background: none; font: inherit; text-align: left; }
.rail .ri .rico { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--glass-strong); flex: none; }
.rail .ri.on { background: var(--primary-soft); border-color: rgba(200, 85, 61, 0.22); color: var(--primary); }
.rail .ri.on .rico { border-color: var(--primary); color: var(--primary); }
.rail .ri:hover:not(.on) .rico { color: var(--text); border-color: var(--muted); }
.rail .sep { width: 38px; height: 1px; background: var(--line); margin: 4px 0; }
.rail.open { width: 248px; align-items: stretch; padding: 18px 14px; }
.rail.open .rail-head { display: flex; justify-content: space-between; align-items: center; padding: 0 6px 6px; }
.rail.open .group-label { display: block; font-size: 12px; color: var(--muted); padding: 6px 8px 0; }
.rail.open .ri { width: 100%; padding: 10px; }
.rail.open .ri-text { display: block; line-height: 1.35; }
.rail.open .ri-text b { display: block; font-size: 14px; font-weight: 500; color: var(--text); }
.rail.open .ri.on .ri-text b { color: var(--text); }
.rail.open .ri-text small { font-size: 11.5px; color: var(--muted); }
.rail.open .sep { width: auto; margin: 6px 8px; }
.rail.open .rbtn { width: auto; height: 32px; padding: 0 10px; display: flex; gap: 6px; font-size: 12px; }
.rail.open .collapse-text { display: inline; }
.rail .rail-head { display: contents; }
.rail.open .rail-head .group-label { padding: 0; }

/* ---------- 顶部 ---------- */
.shell { margin-left: 294px; margin-right: 18px; max-width: 1128px; padding-bottom: 60px; }
.head { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 78px; border-bottom: 1px solid var(--line); }
.wm { display: flex; align-items: baseline; gap: 10px; }
.wm b { font: 700 25px/1 Georgia, "Songti SC", "STSong", "Noto Serif SC", serif; letter-spacing: -0.02em; color: var(--text); }
.wm b i { color: var(--primary); font-style: normal; }
.wm span { font-size: 13px; color: var(--text-2); }
.head-right { display: flex; align-items: center; gap: 22px; font-size: 13px; }
.crumb { color: var(--text-2); display: flex; align-items: center; gap: 12px; }
.crumb i { width: 4px; height: 4px; border-radius: 50%; background: var(--primary); }
.theme-pill { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--glass-strong); color: var(--text); font: inherit; font-size: 13px; cursor: pointer; }
.head-link { display: inline-flex; align-items: center; gap: 7px; color: var(--text); font-size: 13.5px; }
.head-link:hover { color: var(--primary); }
.head-link.on { color: var(--primary); }
.menu-btn { display: none; }
.banner { margin-top: 14px; border-radius: 14px; padding: 10px 16px; font-size: 14px; background: var(--warn-soft); color: var(--warn); }
.sys-dot { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.sys-dot i { width: 6px; height: 6px; border-radius: 50%; background: #1fa971; }
.sys-dot.off i { background: #e0a21b; }

/* ---------- 步骤条 ---------- */
.stepper { display: flex; margin-top: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stepper button { flex: 1; position: relative; display: flex; align-items: center; gap: 10px; white-space: nowrap; min-width: 0; padding: 0 18px; height: 54px; border: 0; border-left: 1px solid var(--line); background: none; color: var(--muted); font: inherit; font-size: 13px; cursor: default; text-align: left; transition: flex .25s; }
.stepper button:first-child { border-left: 0; }
.stepper button.go { cursor: pointer; }
.stepper button.go:hover { color: var(--text); }
.stepper button.on { flex: 1.5; color: var(--text); background: var(--glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.stepper button.on::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); order: 2; margin-left: 10px; }
.stepper button.on::after { content: ""; position: absolute; left: 17px; right: 17px; bottom: -1px; height: 2px; background: var(--primary); border-radius: 2px; }
.stepper button.done { color: var(--text-2); }
.stepper .sn { display: none; }

/* ---------- 页面通用 ---------- */
.page { padding-top: 70px; animation: enter .35s ease both; }
@keyframes enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .page { animation: none; } .pay-card { transition: none !important; } }
.eyebrow { font-size: 11.5px; letter-spacing: .14em; color: var(--primary); text-transform: uppercase; font-weight: 500; }
.ph { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; }
.ph h1 { margin: 10px 0 14px; font-size: clamp(34px, 4.6vw, 60px); line-height: 1.12; font-weight: 500; letter-spacing: -0.01em; color: var(--text); }
.ph p { margin: 0; color: var(--text-2); font-size: 14px; }
.ph .big-no { font: 600 22px/1 Georgia, serif; color: var(--primary); padding-bottom: 46px; }
.ph .big-ic { color: var(--muted); padding-bottom: 30px; }
.hr { height: 1px; background: var(--line); margin: 50px 0 28px; }

/* ---------- 第 1 步：兑换码 ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 460px; gap: 40px; align-items: center; padding-top: 58px; }
.hero h1 { margin: 0 0 22px; font-size: clamp(36px, 5vw, 62px); line-height: 1.12; font-weight: 500; letter-spacing: -0.01em; }
.hero p { margin: 0; color: var(--text-2); font-size: 15px; max-width: 590px; line-height: 1.8; }
.card-stage { perspective: 1200px; display: flex; justify-content: flex-end; }
.pay-card {
  position: relative; width: 430px; aspect-ratio: 1.6; border-radius: 22px; padding: 26px 30px; color: #f2eee6; overflow: hidden;
  background: radial-gradient(120% 140% at 85% 0%, #4a4033 0%, transparent 55%), linear-gradient(140deg, #2b2925 0%, #171614 55%, #0f0e0d 100%);
  border: 1px solid rgba(214, 186, 130, 0.45); box-shadow: 0 30px 60px rgba(30, 22, 12, 0.35), 0 4px 10px rgba(30, 22, 12, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transform: rotateX(8deg) rotateY(-14deg) rotateZ(-4deg); transform-style: preserve-3d; transition: transform .5s cubic-bezier(.2, .8, .2, 1);
}
.pay-card::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.025) 0 2px, transparent 2px 5px); }
.pay-card .shine { position: absolute; inset: -40%; background: radial-gradient(circle at var(--sx, 30%) var(--sy, 20%), rgba(255, 240, 210, 0.16), transparent 40%); pointer-events: none; }
.pay-card .chip { position: absolute; left: 30px; top: 50px; width: 46px; height: 34px; border-radius: 7px; background: linear-gradient(135deg, #e9d398, #c9a95c); box-shadow: inset 0 0 0 1px rgba(120, 90, 30, 0.35); }
.pay-card .chip::after { content: ""; position: absolute; inset: 9px 13px; border: 1px solid rgba(120, 90, 30, 0.45); border-radius: 4px; }
.pay-card .brand-r { position: absolute; right: 30px; top: 30px; display: flex; align-items: center; gap: 8px; font: 600 12px/1 -apple-system, sans-serif; letter-spacing: .08em; color: #e9dcc3; }
.pay-card .nfc { opacity: .75; }
.pay-card .no { position: absolute; left: 30px; right: 30px; top: 46%; display: flex; gap: 26px; font: 500 17px/1 ui-monospace, Menlo, monospace; letter-spacing: .18em; }
.pay-card .no span:last-child { letter-spacing: .12em; }
.pay-card .holder { position: absolute; left: 30px; bottom: 26px; }
.pay-card .exp { position: absolute; right: 30px; bottom: 26px; text-align: right; }
.pay-card small { display: block; font-size: 8px; letter-spacing: .14em; color: #b9ad96; margin-bottom: 4px; }
.pay-card b { font: 600 13px/1 -apple-system, sans-serif; letter-spacing: .08em; }
.pay-card.pop { animation: pop .7s ease; }
@keyframes pop { 40% { transform: rotateX(4deg) rotateY(-4deg) rotateZ(-2deg) scale(1.03); } }

.redeem-grid { display: grid; grid-template-columns: minmax(0, 630px) 1fr; gap: 48px; }
.flabel { font-size: 13px; color: var(--text); font-weight: 500; }
.uline { display: flex; align-items: center; gap: 14px; border-bottom: 1px solid var(--muted); padding: 34px 0 14px; transition: border-color .2s; }
.uline:focus-within { border-color: var(--primary); }
.uline input { flex: 1; min-width: 0; border: 0 !important; background: none !important; padding: 0 !important; box-shadow: none !important; font: 400 24px/1.3 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--text); letter-spacing: .02em; }
.uline input::placeholder { color: var(--muted); }
.eye { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); background: var(--glass-strong); color: var(--primary); cursor: pointer; flex: none; }
.plan-row { display: grid; grid-template-columns: minmax(0, 1fr) 236px; gap: 18px; align-items: start; margin-top: 22px; }
.plan-reveal { border-top: 1px solid var(--line); padding-top: 18px; }
.plan-reveal span { font-size: 12px; color: var(--text-2); }
.plan-reveal strong { display: block; font-size: 26px; font-weight: 500; line-height: 1.5; margin: 6px 0 2px; color: var(--text); }
.plan-reveal.ready strong { color: var(--text); }
.plan-reveal.bad strong { color: var(--bad); font-size: 22px; }
.plan-reveal .ok-tip { font-size: 12px; color: var(--ok); }
.primary { height: 56px; border-radius: 6px; border: 0; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; font: 500 15px var(--font); cursor: pointer; background: var(--primary); color: #fff; transition: opacity .15s, transform .15s; white-space: nowrap; }
.primary:hover:not(:disabled) { transform: translateY(-1px); }
.primary:disabled { background: var(--btn-off); color: var(--btn-off-text); cursor: not-allowed; transform: none; }
.primary.sm { height: 40px; padding: 0 16px; font-size: 13px; border-radius: 8px; }
.plan-row .primary { margin-top: 32px; width: 100%; }
.under-note { color: var(--text-2); font-size: 13px; margin: 18px 0 0; }
.safe { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-2); margin-top: 18px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.safe .ic { color: var(--primary); }
.side-note { border-left: 1px solid var(--line); padding: 14px 0 14px 28px; align-self: start; }
.side-note ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; max-width: 330px; }
.side-note li { position: relative; padding-left: 22px; font-size: 13px; color: var(--text-2); line-height: 1.75; }
.side-note li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); }
.faq { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 50px; border-top: 1px solid var(--line); margin-top: 46px; padding-top: 28px; }
.faq h2 { font-size: 22px; font-weight: 500; margin: 10px 0 10px; }
.faq p.small { line-height: 1.75; max-width: 250px; margin: 0; }
.faq details { border-bottom: 1px solid var(--line); padding: 19px 0; }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { font-size: 13.5px; font-weight: 500; color: var(--text); }
.faq summary::after { color: var(--primary); font-weight: 300; font-size: 20px; }
.faq details p { color: var(--text-2); font-size: 13.5px; line-height: 1.8; }

/* ---------- 第 2 步：Token ---------- */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin-top: 64px; }
.two-col > :first-child { padding: 0 24px 0 22px; border-right: 1px solid var(--line); }
.two-col > :last-child { padding-left: 48px; }
.steps-list { list-style: none; margin: 0; padding: 0; }
.steps-list li { display: grid; grid-template-columns: 54px 1fr; padding: 20px 0 22px; border-bottom: 1px solid var(--line); }
.steps-list li > span { font: 600 12px/1.9 Georgia, serif; color: var(--primary); }
.steps-list strong { display: block; font-size: 13.5px; font-weight: 500; color: var(--text); }
.steps-list p { margin: 6px 0 0; font-size: 13.5px; color: var(--text-2); line-height: 1.75; }
.code-link { display: flex; align-items: center; gap: 12px; margin-top: 14px; padding: 13px 12px; border-left: 2px solid var(--primary); background: var(--glass-strong); font: 12px/1.4 ui-monospace, Menlo, monospace; color: var(--text); overflow: hidden; }
.code-link code { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.icon-btn { border: 0; background: none; color: var(--primary); cursor: pointer; padding: 2px; display: grid; place-items: center; }
.foot-tip { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-2); margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.foot-tip .ic { color: var(--primary); }
.paste-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.paste-head b { font-size: 13px; font-weight: 500; color: var(--text); }
.paste-head p { margin: 8px 0 0; font-size: 12.5px; color: var(--text-2); }
.paste { width: 100%; min-height: 176px; margin-top: 14px; border-radius: 10px; border: 1px solid var(--line-soft) !important; background: var(--glass-strong) !important; padding: 14px 16px !important; font: 13px/1.6 ui-monospace, Menlo, Consolas, monospace !important; color: var(--text); resize: vertical; backdrop-filter: blur(10px); }
.paste:focus { border-color: var(--primary) !important; box-shadow: 0 0 0 4px var(--primary-soft) !important; }
.paste-note { font-size: 12px; color: var(--text-2); margin: 12px 0 0; }
.act-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; }
.ghost-btn { display: inline-flex; align-items: center; gap: 8px; border: 0; background: none; color: var(--text); font: inherit; font-size: 13px; cursor: pointer; padding: 8px 4px; }
.ghost-btn:hover { color: var(--primary); }
.detect { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 22px; padding: 6px 0 6px 14px; border-left: 2px solid var(--line); }
.detect b { font-size: 12.5px; font-weight: 500; color: var(--text); display: block; }
.detect span { font-size: 12.5px; color: var(--text-2); }
.detect.ok { border-color: var(--ok); } .detect.bad { border-color: var(--bad); } .detect.warn { border-color: #e0a21b; }
.detect.ok b { color: var(--ok); } .detect.bad b { color: var(--bad); } .detect.warn b { color: var(--warn); }
.link-btn { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; color: var(--primary); font: inherit; font-size: 15px; cursor: pointer; white-space: nowrap; }
.force { display: flex; gap: 8px; align-items: flex-start; margin-top: 12px; font-size: 13px; color: var(--text); cursor: pointer; }
.force input { margin-top: 4px; accent-color: var(--primary); }

/* ---------- 第 3 步：进度 ---------- */
.status-mark { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; color: #fff; flex: none; }
.status-mark.run { border: 2px solid var(--line); border-top-color: var(--primary); animation: spin 1s linear infinite; }
.status-mark.ok { background: var(--ok); } .status-mark.bad { background: var(--bad); } .status-mark.warn { background: #e0a21b; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 18px 1fr auto; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.timeline li i { width: 9px; height: 9px; border-radius: 50%; margin-top: 6px; background: var(--muted); }
.timeline li.lv-success i { background: var(--ok); } .timeline li.lv-error i { background: var(--bad); } .timeline li.lv-warn i { background: #e0a21b; }
.timeline li:last-child i { box-shadow: 0 0 0 4px var(--primary-soft); background: var(--primary); }
.timeline li.lv-success:last-child i { background: var(--ok); box-shadow: 0 0 0 4px var(--ok-soft); }
.timeline li.lv-error:last-child i { background: var(--bad); box-shadow: 0 0 0 4px var(--bad-soft); }
.timeline b { display: block; font-size: 13.5px; font-weight: 500; color: var(--text); }
.timeline span { font-size: 13px; color: var(--text-2); }
.timeline time { font-size: 12px; color: var(--muted); font-family: ui-monospace, Menlo, monospace; }
.detail-card { border-radius: 18px; padding: 24px; }
.detail-card h3 { margin: 0 0 16px; font-size: 15px; font-weight: 500; }
.kvl { display: grid; gap: 0; margin: 0; }
.kvl > div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.kvl dt { color: var(--text-2); } .kvl dd { margin: 0; color: var(--text); text-align: right; word-break: break-all; }
.tagx { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; }
.tagx::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tagx.ok { color: var(--ok); } .tagx.bad { color: var(--bad); } .tagx.warn { color: var(--warn); } .tagx.run { color: var(--primary); }
.note { font-size: 12.5px; color: var(--text-2); line-height: 1.75; margin: 16px 0 0; }

/* ---------- 查询页 ---------- */
.lookup-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin-top: 64px; }
.lookup-grid > :first-child { padding-right: 48px; border-right: 1px solid var(--line); }
.lookup-grid > :last-child { padding-left: 48px; }
.res-head { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.res-head small { font-size: 11.5px; color: var(--text-2); }
.res-head b { display: block; font-size: 13.5px; font-weight: 500; color: var(--text); margin-top: 4px; }
.res-head .ic { color: var(--primary); }
.empty { text-align: center; color: var(--text-2); font-size: 14px; padding: 96px 0; }
.empty .ic { color: var(--primary); margin-bottom: 12px; }
.res-list { display: grid; gap: 0; }
.res-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.res-item code { font: 13px ui-monospace, Menlo, monospace; color: var(--text); overflow: hidden; text-overflow: ellipsis; }
.res-item span { color: var(--text-2); font-size: 12px; }
.res-sum { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 16px 0 6px; }
.res-sum div { border-radius: 12px; padding: 12px; background: var(--glass-strong); border: 1px solid var(--line-soft); }
.res-sum b { display: block; font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.res-sum span { font-size: 12px; color: var(--text-2); }
.bottom-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.single { display: flex; align-items: center; gap: 16px; }
.single input { width: 250px; height: 42px; border-radius: 10px; }
.count-row { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; font-size: 12.5px; color: var(--text-2); }
.btn-soft { height: 42px; padding: 0 18px; border-radius: 10px; border: 1px solid var(--line-soft); background: var(--glass-strong); color: var(--text); font: inherit; font-size: 13px; display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.btn-soft:hover { border-color: var(--primary); color: var(--primary); }
.arrow-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 15px; border: 0; background: none; cursor: pointer; font-family: inherit; }

/* ---------- 订阅查询 / 半价 ---------- */
.center-card { max-width: 680px; margin: 70px auto 0; border-radius: 18px; padding: 24px; }
.center-card label { color: var(--text); font-size: 13px; }
.center-card .paste { margin-top: 4px; }
.result-card { max-width: 680px; margin: 18px auto 0; border-radius: 18px; padding: 22px 24px; }
.verdict { display: flex; align-items: center; gap: 14px; }
.verdict b { display: block; font-size: 18px; font-weight: 500; }
.verdict span { font-size: 13px; color: var(--text-2); }
.price { font-size: 30px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; margin-top: 18px; }
.price s { font-size: 14px; color: var(--muted); font-weight: 400; margin-left: 10px; }
.msg { background: var(--glass-strong); color: var(--text-2); border: 1px solid var(--line-soft); }
.msg.err { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.msg.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.msg.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
input[type=text] { background: var(--glass-strong); color: var(--text); border-color: var(--line-soft); }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 40px 0 0; }
.toast { background: var(--text); color: var(--bg); }
.scrim { position: fixed; inset: 0; z-index: 25; background: rgba(20, 18, 15, 0.25); display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .shell { margin-left: 112px; }
  .hero { grid-template-columns: minmax(0, 1fr) 380px; } .pay-card { width: 370px; }
}
@media (max-width: 900px) {
  .rail { left: -300px; top: 12px; transition: left .25s ease, width .22s ease; }
  .rail.open { left: 12px; }
  .rail.open + .scrim { display: block; }
  .shell { margin: 0 16px; }
  .menu-btn { display: grid; width: 38px; height: 38px; border-radius: 11px; place-items: center; border: 1px solid var(--line); background: var(--glass-strong); color: var(--text); }
  .head { height: auto; padding: 14px 0; flex-wrap: wrap; }
  .head-left { display: flex; align-items: center; gap: 12px; }
  .crumb, .head-link .lbl { display: none; }
  .head-right { gap: 12px; }
  .stepper button { padding: 0 10px; font-size: 12px; }
  .stepper button .st { display: none; } .stepper .sn { display: inline; }
  .stepper button.on .st { display: inline; }
  .hero { grid-template-columns: 1fr; padding-top: 34px; gap: 30px; }
  .card-stage { justify-content: center; }
  .pay-card { width: min(100%, 360px); padding: 20px 22px; }
  .pay-card .chip { left: 22px; top: 40px; } .pay-card .no { left: 22px; gap: 14px; font-size: 14px; }
  .pay-card .holder { left: 22px; bottom: 20px; } .pay-card .exp { right: 22px; bottom: 20px; } .pay-card .brand-r { right: 22px; top: 22px; }
  .redeem-grid, .faq, .two-col, .lookup-grid { grid-template-columns: 1fr; gap: 26px; }
  .side-note { border-left: 0; padding: 0; }
  .two-col > :first-child, .lookup-grid > :first-child { padding: 0 0 26px; border-right: 0; border-bottom: 1px solid var(--line); }
  .two-col > :last-child, .lookup-grid > :last-child { padding-left: 0; }
  .page { padding-top: 40px; }
  .ph .big-no, .ph .big-ic { display: none; }
  .plan-row { grid-template-columns: 1fr; }
  .plan-row .primary { margin-top: 0; }
  .single { flex-wrap: wrap; } .single input { width: 100%; }
  .res-sum { grid-template-columns: repeat(2, 1fr); }
  .uline input { font-size: 20px; }
}

/* ---------- Claude 充值须知 ---------- */
.rules { border: 1.5px solid rgba(200, 85, 61, 0.45); background: var(--primary-soft); border-radius: 16px; padding: 18px 20px; }
.rules-head { display: flex; align-items: center; gap: 10px; color: var(--primary); margin-bottom: 6px; }
.rules-head b { font-size: 16px; font-weight: 600; }
.rules-head span { font-size: 12px; color: var(--text-2); margin-left: auto; }
.rule { display: flex; gap: 12px; padding: 10px 0; border-top: 1px dashed rgba(200, 85, 61, 0.25); }
.rule:first-of-type { border-top: 0; }
.rule-no { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 600; margin-top: 1px; }
.rule b { display: block; font-size: 15px; color: var(--text); }
.rule p { margin: 3px 0 0; font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
.rule-ack { display: flex; gap: 10px; align-items: flex-start; margin-top: 10px; font-size: 14px; font-weight: 500; color: var(--text); cursor: pointer; }
.rule-ack input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--primary); flex: none; }
.rule-ack.solo { margin-top: 16px; padding: 12px 14px; border-radius: 12px; border: 1.5px solid rgba(200, 85, 61, 0.45); background: var(--primary-soft); }

/* ---------- Claude / Grok 新手教程 ---------- */
.guide-hero { margin-top: 30px; border-radius: 20px; padding: 26px 26px 20px; border: 2px solid var(--primary); background: var(--glass-strong); box-shadow: 0 18px 46px rgba(200, 85, 61, 0.12); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); scroll-margin-top: 20px; }
.guide-top { text-align: center; margin-bottom: 22px; }
.badge-new { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; background: var(--primary); color: #fff; font-size: 12.5px; font-weight: 600; letter-spacing: .04em; }
.guide-top h2 { margin: 12px 0 6px; font-size: clamp(22px, 2.6vw, 30px); font-weight: 600; color: var(--text); }
.guide-top p { margin: 0; font-size: 14px; color: var(--text-2); }
.gsteps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.gstep { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 18px 16px 16px; border-radius: 16px; background: var(--glass); border: 1px solid var(--line); }
.gnum { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font: 700 17px/1 Georgia, serif; box-shadow: 0 6px 14px rgba(200, 85, 61, 0.3); }
.gstep h3 { margin: 4px 0 0; font-size: 16px; font-weight: 600; color: var(--text); }
.gstep > p { margin: 0; font-size: 13px; color: var(--text-2); line-height: 1.7; }
.gstep b { color: var(--text); }
.gstep .primary.sm { margin-top: auto; align-self: flex-start; }
.gtip { margin: 0; font-size: 12px; color: var(--text-2); line-height: 1.6; padding: 8px 10px; border-radius: 10px; background: var(--warn-soft); }
.guide-done { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 18px; font-size: 14px; font-weight: 500; color: var(--ok); }

/* 模拟画面（固定为浏览器 / 开发者工具的深色样式，不随主题变化） */
.ill { border-radius: 10px; overflow: hidden; font: 11px/1.4 -apple-system, "Segoe UI", sans-serif; min-height: 118px; }
.ill-browser { background: #fff; border: 1px solid #d9d4cb; color: #333; }
.ib-bar { display: flex; align-items: center; gap: 5px; padding: 7px 8px; background: #ece9e3; }
.ib-bar i { width: 7px; height: 7px; border-radius: 50%; background: #d1ccc3; }
.ib-bar span { flex: 1; margin-left: 6px; display: flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 6px; background: #fff; color: #333; font-weight: 600; box-shadow: 0 0 0 2px #c8553d; }
.ib-body { position: relative; padding: 12px; display: grid; gap: 6px; }
.ib-avatar { width: 22px; height: 22px; border-radius: 50%; background: #d9cfc0; }
.ib-line { height: 7px; border-radius: 4px; background: #eee9e1; width: 80%; } .ib-line.s { width: 55%; }
.ib-body em { position: absolute; right: 10px; top: 12px; font-style: normal; font-weight: 600; color: #1f8f5f; }
.ill-keys { background: #f6f3ee; border: 1px solid #ddd6cb; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 12px; color: #6b665e; text-align: center; }
.ill-keys div, .ill-keys small { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: center; }
.key { display: inline-block; padding: 3px 7px; border-radius: 6px; background: #fff; border: 1px solid #cfc8bc; border-bottom-width: 3px; color: #2a2825; font: 600 11px/1.2 -apple-system, sans-serif; }
.key.big { font-size: 22px; padding: 8px 18px; border-color: #c8553d; color: #c8553d; box-shadow: 0 0 0 3px rgba(200, 85, 61, 0.15); }
.ill-dt { background: #202124; color: #bdc1c6; border: 1px solid #3c4043; }
.dt-tabs { display: flex; gap: 2px; padding: 0 4px; background: #292a2d; border-bottom: 1px solid #3c4043; overflow: hidden; }
.dt-tabs span { padding: 6px 6px; white-space: nowrap; }
.dt-tabs span.hl { color: #fff; background: rgba(200, 85, 61, 0.35); box-shadow: inset 0 -2px 0 #e07a5f; font-weight: 600; }
.dt-side { display: grid; gap: 3px; padding: 8px 10px; }
.dt-side .in { padding-left: 8px; } .dt-side .in2 { padding-left: 22px; }
.dt-side .hl { color: #fff; background: rgba(200, 85, 61, 0.35); border-radius: 4px; outline: 1.5px solid #e07a5f; padding-top: 2px; padding-bottom: 2px; }
.ill-table { background: #202124; color: #bdc1c6; border: 1px solid #3c4043; }
.tb-filter { display: flex; align-items: center; gap: 5px; margin: 6px; padding: 3px 6px; border-radius: 4px; background: #303134; color: #e8eaed; }
.tb-row { display: grid; grid-template-columns: 44% 56%; border-top: 1px solid #3c4043; }
.tb-row span { padding: 4px 7px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tb-row span + span { border-left: 1px solid #3c4043; font-family: ui-monospace, Menlo, monospace; }
.tb-row.th { color: #9aa0a6; background: #292a2d; }
.tb-row.hl { background: rgba(200, 85, 61, 0.35); color: #fff; font-weight: 600; outline: 1.5px solid #e07a5f; outline-offset: -1.5px; }
.paste-wrap { max-width: 760px; margin: 26px auto 0; }

@media (max-width: 1180px) { .gsteps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .gsteps { grid-template-columns: 1fr; }
  .guide-hero { padding: 20px 14px 16px; }
  .rules-head span { display: none; }
}