/* ============================================================
   内页样式 —— 完全沿用首页设计语言
   token: --bg / --bg-panel / --text / --text-dim / --brand / --line
   ============================================================ */

/* ---------- 页面顶部 ---------- */
.page-hero {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
  padding: 72px 0 56px;
  background:
    radial-gradient(900px 320px at 20% 0%, rgba(13,95,217,.16), transparent 70%),
    var(--bg);
}
.page-hero .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 56px);
}
.crumb {
  font-size: 12.5px;
  color: var(--text-dim);
  letter-spacing: .04em;
  margin-bottom: 20px;
}
.crumb a { color: var(--text-dim); }
.crumb a:hover { color: var(--brand-bright); }
.crumb span { opacity: .5; margin: 0 8px; }
.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.25;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.01em;
  max-width: 20em;
}
.page-hero .sub {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 42em;
}
.page-hero .kicker {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--brand-bright);
  text-transform: uppercase;
  margin-bottom: 14px;
}

/* ---------- 内容区 ---------- */
.pg { padding: 64px 0 80px; }
.pg .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 56px);
}
.pg.alt { background: var(--bg-panel); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

.sec-head { margin-bottom: 34px; max-width: 46em; }
.sec-head .no {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--brand-bright);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.sec-head h2 { font-size: clamp(22px, 2.6vw, 30px); color: var(--text); font-weight: 700; }
.sec-head p { margin-top: 12px; color: var(--text-dim); font-size: 15.5px; line-height: 1.85; }

/* ---------- 表格 ---------- */
.tbl-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  margin-bottom: 10px;
}
table.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  min-width: 680px;
}
table.spec th, table.spec td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  color: var(--text);
}
table.spec thead th {
  background: rgba(13,95,217,.12);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--steel, #6B9AC4);
  letter-spacing: .04em;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
table.spec tbody tr:hover { background: rgba(13,95,217,.06); }
table.spec td.m, .mono { font-family: var(--mono, ui-monospace, monospace); font-size: 13px; white-space: nowrap; }
table.spec tbody tr:last-child td { border-bottom: 0; }
table.spec td.note { color: var(--text-dim); font-size: 13px; }
.src { font-size: 12.5px; color: #5F7692; line-height: 1.75; margin-top: 12px; }

/* ---------- 卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  padding: 26px 24px;
  transition: border-color .18s, transform .18s;
  display: flex; flex-direction: column;
}
.card:hover { border-color: var(--line); transform: translateY(-2px); }
.card .tag {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 11px; letter-spacing: .14em;
  color: var(--brand-bright); text-transform: uppercase; margin-bottom: 12px;
}
.card h3 { font-size: 18px; color: var(--text); margin-bottom: 9px; font-weight: 600; }
.card p { font-size: 14.5px; color: var(--text-dim); line-height: 1.8; }
.card .go { margin-top: auto; padding-top: 16px; font-size: 13.5px; color: var(--brand-bright); font-weight: 600; }

/* ---------- 机型卡 ---------- */
.mgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.mcard { background: var(--bg-panel); border: 1px solid var(--line-soft); overflow: hidden; transition: border-color .18s, transform .18s; }
.mcard:hover { border-color: var(--line); transform: translateY(-2px); }
.mcard .pic { aspect-ratio: 4/3; background: #0A111A; overflow: hidden; }
.mcard .pic img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.mcard .b { padding: 18px 18px 20px; }
.mcard .mo { font-family: var(--mono, ui-monospace, monospace); font-size: 11.5px; color: var(--brand-bright); letter-spacing: .08em; }
.mcard h3 { font-size: 16px; color: var(--text); margin: 7px 0 10px; font-weight: 600; }
.mcard .sp { font-size: 13px; color: var(--text-dim); line-height: 1.85; }

/* ---------- 问答 ---------- */
.qalist { border-top: 1px solid var(--line-soft); }
.qa { display: grid; grid-template-columns: 52px 1fr; gap: 6px 20px; padding: 24px 0; border-bottom: 1px solid var(--line-soft); }
.qa .qn { grid-column: 1; grid-row: 1 / span 2; font-family: var(--mono, ui-monospace, monospace); font-size: 12px; color: var(--brand-bright); letter-spacing: .08em; padding-top: 5px; }
.qa h3 { grid-column: 2; font-size: 17px; color: var(--text); font-weight: 600; }
.qa p { grid-column: 2; font-size: 14.8px; color: var(--text-dim); line-height: 1.85; max-width: 62em; }

/* ---------- 标记 ---------- */
.todo {
  display: inline-block;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 11px; font-weight: 600;
  color: #8FBFFF; background: rgba(43,127,255,.12);
  border: 1px solid rgba(43,127,255,.38);
  padding: 1px 6px; vertical-align: 1px; white-space: nowrap;
}

/* ---------- 表单 ---------- */
.formbox { background: var(--bg-panel); border: 1px solid var(--line); padding: 30px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--steel, #6B9AC4); margin-bottom: 7px; font-weight: 600; }
.field input, .field textarea {
  width: 100%; background: rgba(8,13,20,.8); border: 1px solid var(--line);
  color: var(--text); padding: 11px 13px; font-size: 14.5px; font-family: inherit;
  outline: none; transition: border-color .15s;
}
.field input:focus, .field textarea:focus { border-color: var(--brand-bright); }
.field textarea { min-height: 100px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #4F6478; }

.btn-solid, .btn-line {
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px; padding: 0 22px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: all .16s;
}
.btn-solid { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-solid:hover { background: var(--brand-bright); border-color: var(--brand-bright); }
.btn-line { background: transparent; color: var(--text); border-color: var(--line); }
.btn-line:hover { border-color: var(--brand-bright); color: var(--brand-bright); }

.err { color: #FF8A65; font-size: 13px; font-weight: 600; min-height: 1.3em; margin: -2px 0 12px; }
.out { margin-top: 22px; border-top: 1px solid var(--line-soft); padding-top: 18px; }
.out-head { font-family: var(--mono, ui-monospace, monospace); font-size: 11.5px; letter-spacing: .1em; color: var(--text-dim); margin-bottom: 10px; }
#out-text {
  background: rgba(8,13,20,.85); border: 1px solid var(--line); padding: 16px;
  font-family: var(--mono, ui-monospace, monospace); font-size: 12.8px; line-height: 1.8;
  color: var(--text); white-space: pre-wrap; word-break: break-word; margin: 0;
}
.out-acts { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.out-acts > * { flex: 1 1 140px; }

/* ---------- 两列 ---------- */
.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: start; }
.contact-grid { display: grid; grid-template-columns: 1fr .95fr; gap: 44px; align-items: start; }
.rows { border-top: 1px solid var(--line-soft); }
.rows > div { display: grid; grid-template-columns: 88px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line-soft); font-size: 14.5px; color: var(--text); }
.rows .k { color: var(--text-dim); font-size: 13.5px; }
.rows a:hover { color: var(--brand-bright); }

/* ---------- 搜索筛选 ---------- */
.mtool { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 28px; }
.mtool input[type="search"] {
  flex: 1 1 280px; max-width: 400px; height: 44px; padding: 0 14px;
  background: var(--bg-panel); border: 1px solid var(--line); color: var(--text);
  font-size: 14.5px; font-family: inherit; outline: none;
}
.mtool input[type="search"]:focus { border-color: var(--brand-bright); }
.mtool .count { font-family: var(--mono, ui-monospace, monospace); font-size: 13px; color: var(--text-dim); }
.mtool .count b { color: var(--brand-bright); }
.filters { display: flex; gap: 8px; flex-wrap: wrap; width: 100%; }
.filters button {
  background: transparent; border: 1px solid var(--line); color: var(--text-dim);
  font-size: 13px; padding: 6px 12px; cursor: pointer; font-family: inherit;
  transition: all .15s;
}
.filters button:hover { border-color: var(--brand-bright); color: var(--text); }
.filters button.on { background: var(--brand); border-color: var(--brand); color: #fff; }
tr.hide, .series-block.hide { display: none; }

.series-block { margin-top: 38px; }
.series-block h3 { font-size: 19px; color: var(--text); display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.series-block h3 small { font-family: var(--mono, ui-monospace, monospace); font-size: 11.5px; color: var(--brand-bright); font-weight: 600; }
.series-block .sdesc { font-size: 14px; color: var(--text-dim); margin-bottom: 16px; max-width: 62em; }

/* ---------- 页脚补充 ---------- */
.site-footer .cols4 { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }

@media (max-width: 1024px) {
  .cards, .cards.four, .mgrid { grid-template-columns: repeat(2, 1fr); }
  .two-col, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .site-footer .cols4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .cards, .cards.two, .cards.four, .mgrid { grid-template-columns: 1fr; }
  .page-hero { padding: 48px 0 40px; }
  .pg { padding: 44px 0 56px; }
  .qa { grid-template-columns: 1fr; }
  .qa .qn { grid-row: auto; padding-top: 0; }
  .qa h3, .qa p { grid-column: 1; }
  .site-footer .cols4 { grid-template-columns: 1fr; }
}

/* ---------- 页脚联系方式 ---------- */
.footer-contact {
  display: flex; flex-wrap: wrap; gap: 8px 28px;
  padding-bottom: 20px; margin-bottom: 20px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px; color: var(--text-dim);
  max-width: var(--maxw); margin-left: auto; margin-right: auto;
}
.footer-contact a { color: var(--text); }
.footer-contact a:hover { color: var(--brand-bright); }