/* ============================================================
   Akali TRON靓号 — 内容区块层
   市场 / 卡片 / 流程 / 安全保障 / FAQ / 联系 / 页脚
   ============================================================ */

/* ---------- 市场目录栏 ---------- */
#market { position: relative; }
.catalog-bar {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  margin-bottom: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}
.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-pill {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.3s var(--ease-out);
}
.cat-pill:hover { border-color: var(--ink); color: var(--ink); }
.cat-pill.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.cat-pill .cat-count { opacity: 0.55; font-family: var(--font-mono); font-size: 11px; margin-left: 3px; }
.catalog-tools { display: flex; gap: 10px; flex-wrap: wrap; }
.search {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0 16px;
  background: var(--surface);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.search:focus-within { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1); }
.search svg { width: 15px; height: 15px; color: var(--ink-faint); flex: none; }
.search input { border: none; outline: none; background: transparent; padding: 10px 0; width: 220px; font-size: 14px; color: var(--ink); }
.search input::placeholder { color: var(--ink-faint); }
#sortSelect {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: 999px;
  padding: 0 14px;
  font-size: 13.5px;
  color: var(--ink-soft);
  outline: none;
  cursor: pointer;
  transition: border-color 0.3s var(--ease-out);
}
#sortSelect:hover { border-color: var(--ink); }

/* ---------- 卡片 ---------- */
.grid {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  min-width: 0;   /* 防止内容撑破网格，导致卡片右溢 */
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), border-color 0.45s var(--ease-out);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 18px; right: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.25), transparent);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--ink); }
.card:hover::before { opacity: 1; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.card-status { font-size: 11px; font-weight: 700; letter-spacing: 0.05em; padding: 3px 9px; border-radius: 999px; flex: none; }
.card-status.sold { background: var(--ink); color: var(--paper); }
.card-status.ordered { background: var(--signal-soft); color: var(--ink-soft); border: 1px solid var(--line-strong); }
.tier-badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 6px;
  padding: 4px 9px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--surface-2);
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
}
.tier-badge::before { content: "◆"; font-size: 8px; }
.tier-SSS { background: var(--ink); color: var(--surface); }
.tier-SS { background: #555555; color: var(--surface); }
.tier-S { background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--line-strong); }
.tier-other { background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--line-strong); }
.card-pattern { font-size: 12.5px; color: var(--ink-faint); font-family: var(--font-mono); letter-spacing: 0.02em; }
.card-addr-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 12px 12px 12px 14px;
  border: 1px solid transparent;
  transition: border-color 0.3s var(--ease-out);
}
.card-addr-wrap:hover { border-color: var(--line-strong); }
.card-addr {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  color: var(--ink);
}
.card-addr .hl { color: var(--signal-deep); font-weight: 600; }
.card-desc { font-size: 13.5px; color: var(--ink-soft); line-height: 1.55; min-height: 42px; }
.card-foot {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.price-num { font-family: var(--font-mono); font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.price-unit { font-size: 11.5px; color: var(--ink-faint); margin-left: 4px; }
.price-approx { font-size: 11.5px; color: var(--ink-faint); display: block; margin-top: 2px; }
.card-buy {
  border: 1px solid var(--signal);
  color: var(--signal-deep);
  background: transparent;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 13.5px;
  font-weight: 600;
  transition: all 0.3s var(--ease-out);
}
.card-buy:hover { background: var(--signal); color: var(--paper); transform: translateY(-1px); box-shadow: 0 8px 18px -8px rgba(0, 0, 0, 0.5); }
.card-buy.manual { border-color: var(--ink); color: var(--ink); }
.card-buy.manual:hover { background: var(--ink); color: var(--paper); box-shadow: 0 8px 18px -8px rgba(0, 0, 0, 0.5); }

.grid-empty {
  width: min(1200px, 100% - 48px);
  margin: 40px auto;
  text-align: center;
  padding: 56px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink-soft);
}
.grid-empty strong { display: block; font-size: 18px; color: var(--ink); margin-bottom: 8px; }

.custom-cta {
  width: min(1200px, 100% - 48px);
  margin: 56px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background:
    radial-gradient(700px 220px at 100% 0%, rgba(0, 0, 0, 0.07), transparent 60%),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 44px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.custom-cta::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--ink), transparent);
  animation: shimmer 3.2s linear infinite;
  background-size: 200% 100%;
}
.custom-cta h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); margin-bottom: 8px; }
.custom-cta-copy .eyebrow { margin-bottom: 10px; }
.custom-cta-copy p:last-child { color: var(--ink-soft); font-size: 14.5px; max-width: 520px; }

/* ---------- 购买流程 ---------- */
.steps {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  position: relative;
}
.step.reveal {
  transition:
    opacity 0.6s var(--ease-out) calc(var(--i, 0) * 90ms),
    transform 0.6s var(--ease-out) calc(var(--i, 0) * 90ms),
    box-shadow 0.45s var(--ease-out) 0s;
  opacity: 0;
  transform: translateY(22px);
}
.step.reveal.in-view { opacity: 1; transform: translateY(0); }
.step:hover {
  transition-delay: 0s, 0s, 0s;
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}
.step-num {
  font-size: 30px; font-weight: 700; color: var(--line-strong); display: block; margin-bottom: 18px; letter-spacing: -0.02em;
  transition: color 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.step:hover .step-num { color: var(--signal); transform: translateX(6px); }
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { color: var(--ink-soft); font-size: 14.5px; }

/* ---------- 安全保障 ---------- */
.security-grid {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.sec-item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 28px 30px;
}
.sec-item.reveal {
  transition:
    opacity 0.6s var(--ease-out) calc(var(--i, 0) * 80ms),
    transform 0.6s var(--ease-out) calc(var(--i, 0) * 80ms),
    box-shadow 0.45s var(--ease-out) 0s;
  opacity: 0;
  transform: translateY(22px);
}
.sec-item.reveal.in-view { opacity: 1; transform: translateY(0); }
.sec-item:hover {
  transition-delay: 0s, 0s, 0s;
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}
.sec-icon { font-size: 13px; color: var(--signal); background: var(--signal-soft); border-radius: 6px; padding: 3px 8px; font-weight: 600; display: inline-block; margin-bottom: 14px; }
.sec-item h3 { font-size: 18px; margin-bottom: 8px; }
.sec-item p { color: var(--ink-soft); font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq-list { width: min(1200px, 100% - 48px); margin-inline: auto; border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line-strong); background: var(--surface); }
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15.5px;
  transition: color 0.3s var(--ease-out);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--signal-deep); }
.faq-icon { width: 22px; height: 22px; flex: none; border: 1.5px solid var(--line-strong); border-radius: 50%; position: relative; transition: transform 0.35s var(--ease-out), border-color 0.3s; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; translate: -50% -50%; background: var(--ink-soft); transition: background 0.3s; }
.faq-icon::before { width: 9px; height: 1.5px; }
.faq-icon::after { width: 1.5px; height: 9px; }
.faq-item[open] .faq-icon { transform: rotate(45deg); border-color: var(--ink); }
.faq-item[open] .faq-icon::before, .faq-item[open] .faq-icon::after { background: var(--ink); }
.faq-item > p {
  padding: 0 26px 22px;
  color: var(--ink-soft);
  font-size: 14.5px;
  max-width: 760px;
  animation: faqSlide 0.45s var(--ease-out) both;
}
.faq-item summary::marker { display: none; }

/* ---------- 联系 ---------- */
.section-contact { background: radial-gradient(900px 320px at 0% 100%, rgba(0, 0, 0, 0.06), transparent 55%), var(--paper); }
.contact-inner {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}
.contact-copy h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); letter-spacing: -0.03em; margin-bottom: 16px; }
.contact-copy > p:not(.eyebrow) { color: var(--ink-soft); max-width: 520px; margin-bottom: 30px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  font-weight: 600;
  font-size: 14.5px;
  transition: all 0.35s var(--ease-out);
  min-width: 200px;
  justify-content: flex-start;
}
.contact-btn:hover { transform: translateY(-2px) scale(1.02); box-shadow: var(--shadow-2); border-color: var(--ink); }
.contact-btn .cb-icon { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; flex: none; transition: transform 0.35s var(--ease-out); }
.contact-btn:hover .cb-icon { transform: rotate(-6deg) scale(1.08); }
.contact-btn .cb-icon svg { width: 17px; height: 17px; }
.contact-btn .cb-id { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-faint); font-weight: 400; }
.cb-telegram { background: #111111; color: #fff; }
.cb-bot { background: var(--signal); color: #fff; }
.cb-email { background: var(--surface); color: var(--ink); border-color: var(--ink); }
.cb-email:hover { background: var(--ink); color: var(--surface); }
.contact-aside {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 32px 34px;
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-line { font-size: 14px; color: var(--ink-soft); }
.contact-aside::before { content: "// 响应承诺"; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; color: var(--signal); text-transform: uppercase; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: var(--surface); }
.footer-inner {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  padding: 56px 0 40px;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-brand p { margin-top: 14px; color: var(--ink-faint); font-size: 13.5px; max-width: 300px; }
.footer-links { display: flex; gap: 64px; }
.footer-links h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-faint); margin-bottom: 14px; font-weight: 600; }
.footer-links a { display: block; padding: 5px 0; font-size: 14px; color: var(--ink-soft); transition: color 0.25s var(--ease-out); }
.footer-links a:hover { color: var(--signal-deep); }
.footer-bar {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* ---------- keyframes ---------- */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes faqSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}