/* ============================================================
   南网总部基地既有园 · 六边形沙盘
   固定 1600 × 900（16:9）舞台，按窗口等比缩放，适合投屏。
   ============================================================ */

* { box-sizing: border-box; }

:root {
  --bg-0: #071021;
  --bg-1: #0d1b33;
  --bg-2: #12243f;
  --line: rgba(140, 178, 232, 0.22);
  --line-strong: rgba(140, 178, 232, 0.42);
  --ink: #eaf1fb;
  --ink-2: #b6c6de;
  --ink-3: #8598b4;
  --gold: #e3b562;
  --glm: #2f6fe4;
  --gpt: #0f9d76;
  --kimi: #f2f4f7;
  --grok: #737a85;
  --opus: #e07b1f;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #04080f;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans SC", "Hiragino Sans GB", system-ui, sans-serif;
  overflow: hidden;
}

#viewport {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#stage {
  position: relative;
  width: 1600px;
  height: 900px;
  flex: 0 0 auto;
  transform-origin: center center;
  background:
    radial-gradient(1200px 700px at 50% 42%, #17304f 0%, var(--bg-1) 48%, var(--bg-0) 100%);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(140, 178, 232, 0.18);
}

#stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(140, 178, 232, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 178, 232, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

#scalehint {
  position: fixed;
  right: 10px;
  bottom: 8px;
  font-size: 12px;
  color: #46566f;
  letter-spacing: 0.04em;
  pointer-events: none;
}

/* ------------------------------ 顶栏 ------------------------------ */

#topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(9, 20, 38, 0.94), rgba(9, 20, 38, 0.55));
  z-index: 30;
}

.brand-title {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-sub {
  margin-top: 3px;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

.mantra {
  flex: 1;
  text-align: center;
  font-size: 14.5px;
  color: var(--gold);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 6px 18px;
  letter-spacing: 0.04em;
}

.home-link {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(23, 45, 78, 0.55);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.home-link:hover {
  color: #fff;
  border-color: var(--line-strong);
  background: rgba(32, 58, 96, 0.75);
}

#pagenav { display: flex; gap: 10px; }

.navbtn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink-2);
  background: rgba(23, 45, 78, 0.6);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.navbtn:hover { color: #fff; border-color: var(--line-strong); }

.navbtn.is-active {
  color: #06131f;
  background: linear-gradient(180deg, #f0cd8d, var(--gold));
  border-color: var(--gold);
  font-weight: 700;
}

.navnum {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 11px;
  background: rgba(255, 255, 255, 0.16);
}

.navbtn.is-active .navnum { background: rgba(0, 0, 0, 0.2); }

/* ------------------------------ 页面 ------------------------------ */

.page {
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
}

.page.is-active { display: block; }

/* --------------------------- 第一页 沙盘 --------------------------- */

#board { position: absolute; inset: 0; }

/* 中心三层核 */
#core {
  position: absolute;
  left: 800px;
  top: 415px;
  width: 300px;
  height: 300px;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 12;
}

.core-ring {
  position: absolute;
  border-radius: 50%;
  text-align: center;
}

.core-ring-1 {
  inset: 0;
  background: radial-gradient(circle at 50% 30%, #1d3f68, #10233d);
  border: 1.5px solid rgba(227, 181, 98, 0.55);
  box-shadow: 0 0 0 8px rgba(227, 181, 98, 0.07), 0 18px 50px rgba(0, 0, 0, 0.5);
  padding-top: 15px;
}

.core-ring-2 {
  inset: 46px;
  background: radial-gradient(circle at 50% 30%, #24537f, #14304f);
  border: 1.5px solid rgba(140, 200, 255, 0.5);
  padding-top: 13px;
}

.core-ring-3 {
  inset: 40px;
  background: radial-gradient(circle at 50% 30%, #2f6fa8, #1b4066);
  border: 1.5px solid rgba(227, 181, 98, 0.75);
  padding-top: 22px;
}

.core-ring-label {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
}

.core-ring-1 > .core-ring-label { color: var(--gold); }

.core-ring-note {
  margin: 3px auto 0;
  width: 84%;
  font-size: 9.5px;
  line-height: 1.45;
  color: var(--ink-2);
}

.core-ring-3 .core-ring-label { font-size: 12px; }
.core-ring-3 .core-ring-note { font-size: 10.5px; color: #e7f0fc; }

.core-hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  font-size: 9px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.08em;
}

#core:hover .core-ring-1 {
  box-shadow: 0 0 0 12px rgba(227, 181, 98, 0.13), 0 18px 50px rgba(0, 0, 0, 0.5);
}

/* 连接线 */
.spoke {
  position: absolute;
  height: 1px;
  transform-origin: 0 50%;
  background: linear-gradient(90deg, rgba(227, 181, 98, 0.5), rgba(140, 178, 232, 0.08));
  z-index: 5;
  pointer-events: none;
}

/* 六边面板 */
.edge-panel {
  position: absolute;
  width: 340px;
  height: 216px;
  transform: translate(-50%, -50%);
  padding: 10px 12px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(19, 38, 64, 0.92), rgba(12, 25, 44, 0.92));
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.38);
  z-index: 10;
}

.edge-panel-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
}

.edge-idx {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #06131f;
  background: var(--gold);
}

.edge-name { font-size: 18px; font-weight: 700; letter-spacing: 0.02em; }
.edge-en { font-size: 10.5px; color: var(--ink-3); }
.edge-tag { margin-left: auto; font-size: 10.5px; color: var(--ink-2); }

.chips {
  margin-top: 9px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px 8px;
}

.chip {
  position: relative;
  height: 55px;
  border: none;
  border-radius: 7px;
  font-family: inherit;
  color: #fff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  transition: transform 0.12s, box-shadow 0.12s, filter 0.12s;
}

.chip:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(0, 0, 0, 0.45); filter: brightness(1.08); }
.chip:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.chip-name { font-size: 14px; font-weight: 700; letter-spacing: 0.02em; }
.chip-sub { font-size: 9px; opacity: 0.82; letter-spacing: 0.02em; }

/* 六路模型字标配色 */
.t-glm    { background: linear-gradient(140deg, #3f83f0, #1c4fb0); }
.t-gemini { background: linear-gradient(110deg, #4285f4 0%, #9b72cb 52%, #d96570 100%); }
.t-gpt    { background: linear-gradient(140deg, #14b98c, #0a7a5c); }
.t-kimi   { background: linear-gradient(140deg, #ffffff, #d7dbe2); color: #14171c; }
.t-kimi .chip-sub { opacity: 0.62; }
.t-grok   { background: linear-gradient(140deg, #8c939e, #5b6270); }
.t-opus   { background: linear-gradient(140deg, #f0913a, #c96a10); }

/* 角落卡片 */
.corner-card {
  position: absolute;
  bottom: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 20, 38, 0.82);
  z-index: 14;
}

#legend { left: 16px; width: 300px; }
#boardnote { right: 16px; width: 330px; }

.corner-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 7px;
}

.corner-note {
  font-size: 10.5px;
  line-height: 1.6;
  color: var(--ink-3);
}

#boardnote .corner-note + .corner-note { margin-top: 6px; }

#legend-chips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }

.legend-chip {
  padding: 4px 0;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  color: #fff;
}

.legend-chip.t-kimi { color: #14171c; }

sup.pending {
  display: inline-block;
  margin-left: 3px;
  padding: 0 3px;
  font-size: 8.5px;
  line-height: 1.5;
  color: #06131f;
  background: var(--gold);
  border-radius: 3px;
  vertical-align: super;
  cursor: help;
}

/* -------------------------- 第二页 对照表 -------------------------- */

.matrix-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 20px 8px;
}

.matrix-head h2 { margin: 0; font-size: 18px; letter-spacing: 0.02em; }
.matrix-tip { font-size: 11.5px; color: var(--ink-3); }

#matrix-wrap {
  position: absolute;
  top: 46px;
  left: 20px;
  right: 20px;
  bottom: 14px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 18, 34, 0.72);
}

#matrix-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
}

#matrix-table th, #matrix-table td {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

#matrix-table thead th {
  position: sticky;
  top: 0;
  z-index: 6;
  padding: 0;
  height: 42px;
  background: #10223c;
}

#matrix-table thead th:first-child { z-index: 8; left: 0; }

.mx-modelhead {
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
}

.mx-modelhead .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

#matrix-table tbody th {
  position: sticky;
  left: 0;
  z-index: 4;
  width: 108px;
  padding: 8px 8px;
  background: #10223c;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.35;
}

#matrix-table tbody th small {
  display: block;
  margin-top: 4px;
  font-weight: 400;
  font-size: 9.5px;
  color: var(--ink-3);
}

#matrix-table tr.row-core th { color: #fff; background: #16345a; }
#matrix-table tr.row-core td { background: rgba(22, 52, 90, 0.35); }

#matrix-table td {
  padding: 7px 9px;
  cursor: pointer;
  transition: background 0.12s;
}

#matrix-table td:hover { background: rgba(64, 118, 190, 0.22); }

.mx-line { display: flex; gap: 6px; font-size: 11px; line-height: 1.52; }
.mx-line + .mx-line { margin-top: 5px; padding-top: 5px; border-top: 1px dashed var(--line); }

.mx-key {
  flex: 0 0 auto;
  padding: 0 4px;
  height: 16px;
  border-radius: 3px;
  font-size: 9.5px;
  line-height: 16px;
  color: var(--ink);
  background: rgba(140, 178, 232, 0.18);
}

.mx-val { color: #dbe6f5; }
.mx-line.is-pack .mx-val { color: var(--ink-2); }

/* ------------------------------ 弹层 ------------------------------ */

#overlay {
  position: absolute;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 8, 16, 0.78);
  backdrop-filter: blur(2px);
}

#overlay[hidden] { display: none; }

#modal {
  width: 1420px;
  height: 800px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: linear-gradient(180deg, #0f2039, #0a1729);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

#modal-head {
  position: relative;
  flex: 0 0 auto;
  padding: 14px 60px 13px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 38, 66, 0.8);
}

.modal-eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

.modal-eyebrow .badge {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.modal-eyebrow .badge.t-kimi { color: #14171c; }

#modal-title { margin: 6px 0 0; font-size: 19px; letter-spacing: 0.02em; }

#modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

#modal-close:hover { background: rgba(255, 255, 255, 0.14); }

#modal-body { flex: 1 1 auto; min-height: 0; display: flex; }

.m-left {
  flex: 0 0 620px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: rgba(6, 14, 26, 0.55);
}

.m-right { flex: 1 1 auto; min-width: 0; overflow: auto; padding: 16px 20px 24px; }

.m-secttl {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.m-secttl .thin { font-weight: 400; color: var(--ink-3); letter-spacing: 0; }

.mermaid-box {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mermaid-box svg { max-width: 100%; height: auto; }

.mermaid-src {
  margin: 0;
  padding: 12px 14px;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.6;
  color: #b9cbe4;
  white-space: pre-wrap;
  overflow: auto;
}

.mermaid-note {
  flex: 0 0 auto;
  padding: 7px 16px;
  border-top: 1px solid var(--line);
  font-size: 10.5px;
  color: var(--ink-3);
}

.mermaid-note button {
  margin-left: 8px;
  padding: 2px 8px;
  font-family: inherit;
  font-size: 10.5px;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.blk { margin-bottom: 14px; }

.blk-label {
  display: inline-block;
  margin-bottom: 5px;
  padding: 2px 9px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  color: #06131f;
  background: linear-gradient(180deg, #f0cd8d, var(--gold));
}

.blk-text {
  font-size: 14px;
  line-height: 1.85;
  color: #e2ecfa;
  text-align: justify;
}

.m-right h4 {
  margin: 0 0 10px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: #fff;
}

.m-right h4 + .core-tier { margin-top: 12px; }

.srcline {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
  line-height: 1.7;
  color: var(--ink-3);
}

.srcline code {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  color: var(--ink-2);
}

/* 核弹层 */
.core-tier {
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 8px;
  background: rgba(22, 48, 82, 0.42);
}

.core-tier .tier { font-size: 11px; color: var(--gold); letter-spacing: 0.08em; }
.core-tier .headline { margin: 4px 0 6px; font-size: 16px; font-weight: 700; }
.core-tier .body { font-size: 13.5px; line-height: 1.8; color: #e2ecfa; }

.core-tier .items {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.core-tier .items li {
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  font-size: 11.5px;
  color: var(--ink-2);
  background: rgba(140, 178, 232, 0.09);
}

.mantra-box {
  margin: 4px 0 16px;
  padding: 12px 14px;
  border: 1px solid rgba(227, 181, 98, 0.45);
  border-radius: 8px;
  background: rgba(227, 181, 98, 0.08);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.03em;
}

.take {
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid rgba(140, 178, 232, 0.4);
}

.take-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}

.take-head .badge {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.take-head .badge.t-kimi { color: #14171c; }
.take-head .file { font-size: 10.5px; color: var(--ink-3); font-family: Menlo, Consolas, monospace; }

.take p { margin: 0 0 6px; font-size: 13px; line-height: 1.78; color: #dbe6f5; text-align: justify; }

.srcs { margin: 6px 0 0; padding-left: 18px; }
.srcs li { font-size: 11.5px; line-height: 1.7; color: var(--ink-3); }
.srcs a { color: #8fb6e8; }

.note-inline {
  margin: 0 0 14px;
  padding: 9px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: 7px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-2);
}