/* ==========================================================================
   场景解决方案：频道页 + 详情页
   与主样式共用变量，不引入新的主色
   ========================================================================== */

/* ---------- 频道页 概览 ---------- */
.sc-intro { padding: 46px 0 10px; }
.sc-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sc-st {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 22px 14px; text-align: center; box-shadow: var(--sh-1);
}
.sc-st b { display: block; font-size: 30px; line-height: 1.1; color: var(--blue); letter-spacing: -1px; }
.sc-st s { display: block; margin-top: 6px; font-size: 13px; color: #93a1b5; text-decoration: none; }

.sc-find { margin-top: 22px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.sc-find input {
  flex: 1 1 420px; height: 52px; padding: 0 20px; border: 1px solid var(--line);
  border-radius: 999px; background: #fff; color: var(--ink); font-size: 15px;
  box-shadow: var(--sh-1); outline: none; transition: border-color .25s, box-shadow .25s;
}
.sc-find input:focus { border-color: var(--blue-l); box-shadow: 0 0 0 4px rgba(26,99,196,.10); }
.sc-find-tip { font-size: 13px; color: #93a1b5; }

/* ---------- 板块快导航 ---------- */
.sc-navwrap {
  position: sticky; top: var(--hh); z-index: 30; background: rgba(255,255,255,.94);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.sc-nav { display: flex; gap: 10px; overflow-x: auto; padding: 12px 0; scrollbar-width: none; }
.sc-nav::-webkit-scrollbar { display: none; }
.sc-nav a {
  flex: 0 0 auto; padding: 8px 16px; border-radius: 999px; font-size: 14px;
  color: var(--blue); background: var(--bg-soft); border: 1px solid transparent;
  transition: all .25s var(--ease);
}
.sc-nav a:hover { background: var(--grad-blue); color: #fff; border-color: transparent; }

/* ---------- 板块区块 ---------- */
.sc-sect { padding: 74px 0 54px; }
.sc-sect.alt { background: var(--bg-soft); }
.sc-sect-n {
  display: inline-block; margin-top: 12px; font-size: 13px; color: var(--red);
  background: rgba(216,30,38,.07); border-radius: 999px; padding: 4px 12px;
}
.sc-cats { display: grid; gap: 20px; margin-top: 34px; }

.sc-cat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 26px 28px; box-shadow: var(--sh-1); transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}
.sc-cat:hover { box-shadow: var(--sh-2); transform: translateY(-2px); }
.sc-cat-h { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.sc-cat-h h3 { font-size: 19px; }
.sc-cat-h h3::before {
  content: ""; display: inline-block; width: 4px; height: 16px; margin-right: 10px;
  background: var(--red); border-radius: 2px; vertical-align: -2px;
}
.sc-cat-h .n { font-size: 12.5px; color: #93a1b5; }
.sc-cat-p { margin: 12px 0 16px; font-size: 14px; line-height: 1.9; color: var(--body); }

.sc-links { display: flex; flex-wrap: wrap; gap: 9px; }
.sc-links a {
  font-size: 13.5px; padding: 7px 14px; border-radius: 999px;
  background: var(--bg-soft); color: #2c4a72; border: 1px solid #e8eef7;
  transition: all .22s var(--ease);
}
.sc-links a:hover { background: var(--grad-red); color: #fff; border-color: transparent; transform: translateY(-1px); }
.sc-cat-f {
  margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--line);
  font-size: 13px; color: #7d8ca3; display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.sc-cat-f span { color: #fff; background: var(--blue); border-radius: 4px; padding: 2px 8px; font-size: 12px; }
.sc-cat-f em { font-style: normal; color: var(--red); margin-left: auto; }

/* ---------- 系统列表 ---------- */
.sc-sys { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px; }
.sc-sys-i {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 20px; transition: all .28s var(--ease);
}
.sc-sys-i:hover { border-color: rgba(216,30,38,.35); transform: translateY(-3px); box-shadow: var(--sh-2); }
.sc-sys-i b { display: block; font-size: 15px; color: var(--ink); }
.sc-sys-i p { margin: 8px 0 10px; font-size: 13px; line-height: 1.8; color: var(--body); }
.sc-sys-i s { font-size: 12.5px; color: var(--red); text-decoration: none; }

/* ---------- CTA ---------- */
.sc-cta-sec { padding-top: 0; }
.sc-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  background: var(--grad-mix); border-radius: var(--r-l); padding: 46px 48px; color: #fff;
  box-shadow: var(--sh-3);
}
.sc-cta h2 { color: #fff; font-size: 25px; }
.sc-cta p { margin: 12px 0 0; color: rgba(255,255,255,.82); max-width: 46em; font-size: 14.5px; }
.sc-cta-r { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.sc-cta-r .btn { background: #fff; color: var(--blue-d); }
.sc-cta-r span { font-size: 20px; font-weight: 700; letter-spacing: .5px; }

/* ---------- 详情页 ---------- */
.sc-art .body table { display: block; overflow-x: auto; }
.sc-art .body th { white-space: nowrap; }
.sc-art .body h2 { scroll-margin-top: calc(var(--hh) + 20px); }
.sc-art .body blockquote { border-radius: 0 var(--r-s) var(--r-s) 0; }

.sc-inline-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  margin-top: 34px; padding: 24px 26px; border-radius: var(--r-m);
  background: linear-gradient(120deg, rgba(12,60,120,.05), rgba(216,30,38,.05));
  border: 1px solid var(--line);
}
.sc-inline-cta b { display: block; font-size: 16px; color: var(--ink); }
.sc-inline-cta p { margin: 6px 0 0; font-size: 13.5px; color: var(--body); }

.sc-pn { display: flex; gap: 16px; margin-top: 26px; }
.sc-pn > * { flex: 1; }
.sc-pn-i {
  display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--r-s);
  transition: all .25s var(--ease);
}
.sc-pn-i:hover { border-color: var(--blue-l); background: var(--bg-soft); }
.sc-pn-i s { display: block; font-size: 12px; color: #93a1b5; text-decoration: none; margin-bottom: 4px; }
.sc-pn-i b { font-size: 14px; color: var(--ink); font-weight: 600; }
.sc-pn-i.next { text-align: right; }

.sc-more { margin-top: 54px; }
.sc-more-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sc-more-grid a {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-s);
  padding: 14px 16px; transition: all .25s var(--ease);
}
.sc-more-grid a:hover { border-color: rgba(216,30,38,.4); transform: translateY(-2px); }
.sc-more-grid b { display: block; font-size: 13.5px; color: var(--ink); }
.sc-more-grid s { font-size: 12px; color: #93a1b5; text-decoration: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .sc-sys, .sc-more-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 780px) {
  .sc-intro { padding-top: 30px; }
  .sc-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .sc-st b { font-size: 24px; }
  .sc-sect { padding: 48px 0 36px; }
  .sc-cat { padding: 20px 18px; }
  .sc-cat-h h3 { font-size: 17px; }
  .sc-links a { font-size: 13px; padding: 6px 12px; }
  .sc-cta { padding: 32px 24px; }
  .sc-cta-r { align-items: flex-start; }
  .sc-pn { flex-direction: column; }
  .sc-pn-i.next { text-align: left; }
  .sc-navwrap { top: 64px; }
}