/* Set 2 WWW — interruption desk: cream field, teal underline nav, vertical rail */
:root {
  --cream: #fff8f0;
  --teal: #0f766e;
  --teal-deep: #115e59;
  --ink: #134e4a;
  --paper: #ffffff;
  --sand: #f3e6d4;
  --warn: #b45309;
  --line: #e7d8c4;
  --muted: #3f5f5c;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16.5px;
}

a { color: inherit; text-decoration: none; }
svg { display: block; }

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: #fffdf9;
  border-bottom: 1px solid var(--line);
}

.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--teal-deep);
}

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 13.5px;
}

.menu a {
  color: var(--muted);
  padding: 8px 0 6px;
  border-bottom: 2px solid transparent;
}

.menu a:hover,
.menu a:focus {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.hero-panel {
  padding: 48px 0 20px;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.hero-left h1 {
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.32;
  margin: 8px 0 16px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
  font-weight: 700;
}

.hero-left p { color: var(--muted); margin-bottom: 12px; }

.break-list {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px 22px 10px;
}

.break-list ol {
  list-style: none;
  counter-reset: br;
}

.break-list li {
  counter-increment: br;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
}

.break-list li:last-child { border-bottom: 0; }

.break-list li::before {
  content: counter(br, decimal-leading-zero);
  color: var(--teal);
  font-weight: 800;
  font-size: 14px;
}

.block { padding: 40px 0; }
.block h2 {
  font-size: clamp(21px, 2.3vw, 28px);
  line-height: 1.4;
  margin-bottom: 12px;
}
.intro { color: var(--muted); max-width: 48em; margin-bottom: 22px; }

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.source-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px;
}

.source-card h3 {
  font-size: 18px;
  margin: 12px 0 10px;
}

.source-card p { color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.source-card p:last-child { margin-bottom: 0; }

.cover-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 280px;
}

.cover-yes,
.cover-no {
  padding: 26px 24px;
}

.cover-yes {
  background: var(--teal);
  color: #ecfdf8;
}

.cover-no {
  background: var(--sand);
  color: var(--ink);
}

.cover-yes h3,
.cover-no h3 { font-size: 18px; margin-bottom: 12px; }

.cover-yes p,
.cover-no p { margin-bottom: 12px; font-size: 15px; }

.rail {
  position: relative;
  margin-left: 18px;
  padding-left: 28px;
  border-left: 3px solid #99f6e4;
}

.rail article {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 18px 18px 16px;
  margin-bottom: 14px;
}

.rail article::before {
  content: "";
  position: absolute;
  left: -39px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px #ccfbf1;
}

.rail h3 { font-size: 17px; margin-bottom: 8px; }
.rail p { color: var(--muted); font-size: 15px; }

.scenes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.scene {
  background: var(--paper);
  border-top: 6px solid var(--teal);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  padding: 20px 18px;
}

.scene svg { display: block; margin-bottom: 12px; }
.scene h3 { font-size: 17px; margin-bottom: 10px; }
.scene p { color: var(--muted); font-size: 14.5px; margin-bottom: 10px; }

.versus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.versus article {
  background: var(--paper);
  padding: 22px;
  border: 1px solid var(--line);
}

.versus h3 { font-size: 18px; margin-bottom: 10px; color: var(--teal-deep); }
.versus p { color: var(--muted); margin-bottom: 10px; }

.signals { display: grid; gap: 10px; }

.signal {
  display: grid;
  grid-template-columns: 88px 1fr;
  background: var(--paper);
  border: 1px solid var(--line);
}

.signal b {
  background: #fff7ed;
  color: var(--warn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.signal p {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 15px;
}

.judges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.judge {
  background: var(--teal-deep);
  color: #ecfdf8;
  padding: 22px 18px;
  min-height: 180px;
}

.judge strong {
  display: block;
  font-size: 15px;
  margin-bottom: 10px;
  color: #99f6e4;
}

.qa { display: grid; gap: 0; }
.qa dt {
  background: #ecfdf8;
  color: var(--teal-deep);
  font-weight: 700;
  padding: 14px 16px;
  border-left: 5px solid var(--teal);
  margin-top: 12px;
}
.qa dd {
  background: var(--paper);
  color: var(--muted);
  padding: 14px 16px 16px;
  border: 1px solid var(--line);
  border-top: 0;
}

.foot {
  background: #134e4a;
  color: #ccfbf1;
  padding: 32px 0 24px;
  font-size: 14px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 16px;
}

.foot h3 { color: #5eead4; font-size: 13px; margin-bottom: 8px; }
.foot-line { border-top: 1px solid #2a6b66; padding-top: 14px; color: #99f6e4; }

@media (max-width: 860px) {
  .hero-split,
  .pair,
  .cover-cols,
  .scenes,
  .versus,
  .judges,
  .foot-grid,
  .topbar-row,
  .signal { grid-template-columns: 1fr; }
  .topbar-row { padding: 10px 0; }
}