*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: #faf8f5;
  color: #1a1a1a;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.85;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: #9b1c1c;
}

a:hover {
  color: #6f1010;
}

.top-strip {
  background: #111111;
  color: #f3e6d8;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-align: center;
  padding: 8px 16px;
}

.brand-row {
  background: #fffdf9;
  border-bottom: 1px solid #e6ddd0;
}

.brand-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.brand-inner a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #111111;
}

.brand-name {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-sub {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: #9b1c1c;
  margin-top: 2px;
}

.nav-row {
  background: #9b1c1c;
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: center;
  gap: 0;
}

.nav-inner a {
  color: #fff8f0;
  text-decoration: none;
  padding: 14px 28px;
  font-size: 15px;
  letter-spacing: 0.08em;
  border-bottom: 3px solid transparent;
}

.nav-inner a:hover,
.nav-inner a.active {
  background: #7a1212;
  border-bottom-color: #f3c16b;
  color: #fff8f0;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-band {
  background: linear-gradient(180deg, #2a0d0d 0%, #4a1414 55%, #9b1c1c 100%);
  color: #fff8f0;
  padding: 64px 0 72px;
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.hero-band h1 {
  margin: 0 0 20px;
  font-size: 36px;
  line-height: 1.3;
  font-weight: 700;
}

.hero-band p {
  color: #f0d8c8;
  margin: 0 0 16px;
}

.hero-panel {
  background: #fffdf9;
  color: #1a1a1a;
  padding: 28px 24px;
  border-top: 6px solid #f3c16b;
}

.hero-panel h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.hero-panel p {
  color: #444;
  margin: 0 0 16px;
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 13px 18px;
  margin: 0 0 10px;
  border: 0;
  background: #9b1c1c;
  color: #fff8f0;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.btn:hover,
button.btn:hover {
  background: #7a1212;
}

.btn-ghost,
a.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 18px;
  border: 1px solid #9b1c1c;
  background: transparent;
  color: #9b1c1c;
  text-decoration: none;
  font-weight: 700;
}

.btn-ghost:hover,
a.btn-ghost:hover {
  background: #f8ece6;
}

.btn-line,
button.btn-line {
  background: #111111;
}

.btn-line:hover,
button.btn-line:hover {
  background: #333;
}

button:disabled,
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.block {
  padding: 68px 0;
  border-bottom: 1px solid #e6ddd0;
}

.block h2 {
  margin: 0 0 8px;
  font-size: 28px;
  border-left: 6px solid #9b1c1c;
  padding-left: 14px;
}

.kicker {
  color: #9b1c1c;
  font-size: 13px;
  letter-spacing: 0.2em;
  margin: 0 0 10px;
}

.block-lead {
  font-size: 17px;
  margin: 16px 0 18px;
}

.cap-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cap-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px dashed #d7cbb8;
}

.cap-num {
  font-size: 28px;
  font-weight: 700;
  color: #9b1c1c;
}

.plat-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.plat-box {
  background: #fff;
  border: 1px solid #e6ddd0;
  padding: 22px;
}

.plat-box h3 {
  margin: 10px 0 10px;
  font-size: 20px;
}

.deep-stack article {
  margin-bottom: 36px;
}

.deep-stack h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.proof-dl {
  margin: 0;
}

.proof-dl dt {
  background: #111111;
  color: #f3c16b;
  padding: 10px 14px;
  font-weight: 700;
}

.proof-dl dd {
  margin: 0 0 16px;
  padding: 14px 16px 18px;
  background: #fff;
  border: 1px solid #e6ddd0;
  border-top: 0;
}

.pick-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.pick-table th,
.pick-table td {
  border: 1px solid #e0d4c4;
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}

.pick-table thead th {
  background: #9b1c1c;
  color: #fff8f0;
}

.voices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.voice {
  padding: 22px 0;
  border-top: 1px solid #e6ddd0;
}

.voice footer {
  color: #9b1c1c;
  font-weight: 700;
  margin-top: 8px;
}

.faq-stack article {
  padding: 20px 0;
  border-top: 1px solid #e6ddd0;
}

.faq-stack h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.steps ol {
  margin: 0;
  padding-left: 22px;
}

.steps li {
  margin-bottom: 18px;
}

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

.req-box {
  background: #fff;
  border: 1px solid #e6ddd0;
  padding: 18px;
}

.cta-seal {
  background: #111111;
  color: #fff8f0;
  padding: 28px 24px;
  margin-top: 28px;
}

.cta-seal h2,
.cta-seal h3 {
  color: #f3c16b;
  margin-top: 0;
}

.cta-seal .btn {
  max-width: 280px;
}

.foot {
  background: #111111;
  color: #cfc3b4;
  padding: 36px 0 28px;
}

.foot-verify {
  color: #f3c16b;
  margin: 0 0 12px;
}

.foot-nav a {
  color: #f0d8c8;
  margin-right: 16px;
  text-decoration: none;
}

.foot-nav a:hover {
  color: #f3c16b;
}

.foot-copy {
  font-size: 13px;
  margin-top: 16px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 860px) {
  .hero-inner,
  .plat-strip,
  .req-grid,
  .cap-item {
    grid-template-columns: 1fr;
  }

  .hero-band h1 {
    font-size: 28px;
  }

  .nav-inner {
    flex-wrap: wrap;
  }
}