/* SET 4 cn — dark full-bleed bands, square amber CTAs, zero radius */
html {
  box-sizing: border-box;
  -webkit-text-size-adjust: 100%;
}
*,
*::before,
*::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
  border-radius: 0;
}
body {
  background: #0e0e10;
  color: #f4f4f2;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.85;
  min-width: 320px;
}
img,
svg {
  display: block;
}
a {
  color: #ff8a00;
  text-decoration: none;
}
a:hover {
  color: #ffc266;
  text-decoration: underline;
}
h1 {
  font-family: "Arial Black", Impact, sans-serif;
  font-size: clamp(32px, 5.2vw, 58px);
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.15;
  color: #ffffff;
}
h2 {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 22px;
  padding: 0 0 12px;
  border-bottom: 4px solid #ff8a00;
}
h3 {
  font-size: 19px;
  color: #ff8a00;
  margin: 22px 0 10px;
}
p {
  margin: 0 0 16px;
}
ul,
ol {
  margin: 0 0 18px 22px;
}
li {
  margin: 0 0 8px;
}
.shell {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
}
.band {
  width: 100%;
  padding: 64px 0;
}
.band-a {
  background: #0e0e10;
}
.band-b {
  background: #1a1a1f;
}
.mast {
  background: #0e0e10;
  border-bottom: 6px solid #ff8a00;
  position: sticky;
  top: 0;
  z-index: 40;
}
.mast-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}
.brand {
  color: #ff8a00;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: 28px;
  letter-spacing: 0.12em;
  text-decoration: none;
}
.brand:hover {
  color: #ffc266;
  text-decoration: none;
}
.nav {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
}
.nav a {
  display: inline-block;
  padding: 14px 18px;
  color: #f4f4f2;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 2px solid transparent;
}
.nav a:hover {
  color: #ff8a00;
  text-decoration: none;
  border-color: #ff8a00;
}
.nav a.now {
  background: #ff8a00;
  color: #0e0e10;
  font-weight: 700;
}
.hero {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: calc(100vh - 78px);
  background: #0e0e10;
  display: flex;
  align-items: center;
  padding: 56px 0 48px;
  border-bottom: 8px solid #ff8a00;
}
.hero-copy {
  max-width: 980px;
}
.kicker {
  display: inline-block;
  background: #ff8a00;
  color: #0e0e10;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 8px 14px;
  margin-bottom: 22px;
}
.hero h1 {
  margin-bottom: 22px;
}
.lede {
  font-size: 19px;
  max-width: 820px;
  color: #d8d8d4;
  margin-bottom: 28px;
}
.amber-btn {
  display: inline-block;
  background: #ff8a00;
  color: #0e0e10;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.06em;
  min-width: 280px;
  min-height: 84px;
  line-height: 84px;
  text-align: center;
  padding: 0 28px;
  border: 4px solid #ff8a00;
  text-decoration: none;
}
.amber-btn:hover {
  background: #0e0e10;
  color: #ff8a00;
  text-decoration: none;
}
.amber-btn.slim {
  min-width: 200px;
  min-height: 56px;
  line-height: 56px;
  font-size: 16px;
  margin: 6px 10px 6px 0;
}
.risk-bar {
  background: #2a1600;
  border-left: 10px solid #ff8a00;
  padding: 16px 20px;
  margin: 28px 0 0;
  color: #ffe3b8;
  font-size: 16px;
}
.tile-row {
  display: flex;
  gap: 16px;
}
.tile {
  flex: 1 1 0;
  background: #0e0e10;
  border: 2px solid #ff8a00;
  padding: 24px 18px 22px;
  min-height: 220px;
}
.band-a .tile {
  background: #1a1a1f;
}
.tile svg {
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  stroke: #ff8a00;
  fill: none;
  stroke-width: 2;
}
.tile h3 {
  margin-top: 0;
  color: #ffffff;
  font-size: 18px;
}
.tile p {
  margin: 0;
  font-size: 15px;
  color: #c8c8c4;
}
.vs-strip {
  display: flex;
  gap: 0;
  border: 3px solid #ff8a00;
}
.vs-col {
  flex: 1 1 50%;
  padding: 28px 26px;
}
.vs-col:first-child {
  background: #0e0e10;
  border-right: 6px solid #ff8a00;
}
.vs-col:last-child {
  background: #1a1a1f;
}
.vs-tag {
  display: inline-block;
  background: #ff8a00;
  color: #0e0e10;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.1em;
  padding: 6px 10px;
  margin-bottom: 14px;
}
.news-block {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.news-row {
  display: flex;
  align-items: stretch;
  border-top: 1px solid #3a3a42;
  min-height: 88px;
}
.news-row:last-child {
  border-bottom: 1px solid #3a3a42;
}
.news-date {
  flex: 0 0 168px;
  background: #0e0e10;
  color: #ff8a00;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: 22px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  padding: 16px 18px;
}
.band-a .news-date {
  background: #1a1a1f;
}
.news-txt {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 16px 22px;
  font-size: 17px;
  color: #f4f4f2;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 36px;
}
.faq-grid dt {
  color: #ff8a00;
  font-weight: 700;
  font-size: 16px;
  margin: 18px 0 6px;
}
.faq-grid dd {
  margin: 0 0 8px;
  color: #dcdcd8;
  font-size: 15px;
}
.dl-pack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 8px;
}
.note {
  background: #1a1a1f;
  border-left: 8px solid #ff8a00;
  padding: 16px 18px;
  margin: 18px 0;
  color: #e8e8e4;
}
.band-b .note {
  background: #0e0e10;
}
.foot {
  background: #0a0a0c;
  border-top: 6px solid #ff8a00;
  padding: 36px 0 40px;
  color: #9a9a96;
  font-size: 14px;
  line-height: 1.75;
}
.foot p {
  margin: 0 0 10px;
}
@media (max-width: 960px) {
  .tile-row {
    flex-wrap: wrap;
  }
  .tile {
    flex: 1 1 calc(50% - 16px);
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 720px) {
  .mast-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0;
  }
  .nav {
    flex-wrap: wrap;
    width: 100%;
  }
  .nav a {
    padding: 10px 12px;
    font-size: 14px;
  }
  .hero {
    min-height: auto;
    padding: 36px 0 32px;
  }
  .amber-btn {
    min-width: 100%;
    font-size: 18px;
  }
  .tile {
    flex: 1 1 100%;
  }
  .vs-strip {
    flex-direction: column;
  }
  .vs-col:first-child {
    border-right: 0;
    border-bottom: 6px solid #ff8a00;
  }
  .news-row {
    flex-direction: column;
  }
  .news-date {
    flex: none;
    font-size: 20px;
  }
}