/* ===== 使用说明与免责声明 页面专属 ===== */
.page-disclaimer {
  --dis-card-line: rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 100% 64px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 64px 100%,
    var(--c-deep);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: clip;
}

.page-disclaimer section[id],
.page-disclaimer div[id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* ===== Hero ===== */
.disclaimer-hero {
  padding: calc(var(--header-h) + 36px) var(--pad) 0;
}

.page-disclaimer .hero-inner {
  display: grid;
  gap: 28px;
  position: relative;
}

.page-disclaimer .hero-copy {
  position: relative;
  z-index: 2;
}

.page-disclaimer .hero-copy h1 {
  margin: 0 0 16px;
  max-width: 720px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.page-disclaimer .hero-lead {
  max-width: 640px;
  margin: 0 0 22px;
  font-size: 14px;
  color: var(--c-muted);
}

.page-disclaimer .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Hero pull */
.page-disclaimer .hero-pull {
  position: relative;
  padding: 22px;
  border: 1px solid var(--grid-line);
  background: linear-gradient(160deg, var(--c-card), rgba(18, 36, 66, 0.4));
  overflow: hidden;
}

.page-disclaimer .hero-pull::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, transparent 49.5%, var(--c-accent) 50%);
}

.page-disclaimer .pull-cap {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.page-disclaimer .pull-data {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .pull-data > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--grid-line);
  padding-bottom: 6px;
}

.page-disclaimer .pull-data dt {
  font-size: 13px;
  color: var(--c-muted);
}

.page-disclaimer .pull-data dd {
  margin: 0;
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  font-size: 28px;
  color: var(--c-accent);
}

.page-disclaimer .pull-note {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--c-silver);
}

/* ===== Banner ===== */
.page-disclaimer .disclaimer-banner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px var(--pad) 0;
}

.page-disclaimer .disclaimer-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 3;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--grid-line);
  background: var(--c-card);
}

/* ===== Notice ===== */
.page-disclaimer .notice-strip {
  margin-top: 30px;
  padding: 0 var(--pad);
}

.page-disclaimer .notice-strip > p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(0, 255, 157, 0.03));
  border-left: 3px solid var(--c-accent);
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.8;
}

.page-disclaimer .notice-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.12);
}

/* ===== Terms ===== */
.page-disclaimer .terms-wrap {
  padding: 56px 0 30px;
}

.page-disclaimer .terms-wrap .section-head {
  position: relative;
  padding-left: 18px;
  margin-bottom: 30px;
}

.page-disclaimer .terms-wrap .section-head::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 4px;
  background: var(--grad-accent);
}

.page-disclaimer .term-grid {
  display: grid;
  gap: 20px;
}

.page-disclaimer .term-card {
  --term-accent: var(--c-accent);
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--grid-line);
  background: linear-gradient(160deg, var(--c-card) 0%, rgba(18, 36, 66, 0.55) 100%);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-disclaimer .term-card:hover {
  border-color: rgba(255, 107, 53, 0.45);
  box-shadow: var(--shadow-float);
  transform: translateY(-2px);
}

.page-disclaimer .term-card.term-data {
  --term-accent: var(--c-lime);
}

.page-disclaimer .term-card.term-ip {
  --term-accent: var(--c-silver);
}

.page-disclaimer .term-card.term-use {
  --term-accent: var(--c-accent);
}

.page-disclaimer .term-card.term-liability {
  --term-accent: var(--c-accent);
}

.page-disclaimer .term-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .term-num {
  min-width: 42px;
  padding: 6px 8px;
  border-left: 3px solid var(--term-accent);
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  color: var(--term-accent);
  text-align: center;
}

.page-disclaimer .term-head h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.page-disclaimer .term-lead {
  margin: 0 0 18px;
  color: var(--c-muted);
  font-size: 14px;
}

.page-disclaimer .term-details {
  border-top: 1px solid var(--grid-line);
  padding-top: 14px;
}

.page-disclaimer .term-details summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--c-silver);
  font-size: 13px;
  letter-spacing: 0.04em;
  list-style: none;
}

.page-disclaimer .term-details summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .term-details summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  color: var(--term-accent);
  line-height: 1;
}

.page-disclaimer .term-details[open] summary::before {
  content: "−";
}

.page-disclaimer .details-body {
  padding-top: 14px;
}

.page-disclaimer .details-body ul {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 9px;
  color: var(--c-muted);
  font-size: 13.5px;
}

.page-disclaimer .details-body li::marker {
  color: var(--term-accent);
}

/* ===== Boundary ===== */
.page-disclaimer .boundary-section {
  margin-top: 30px;
  padding: 48px 0;
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
  background: linear-gradient(120deg, rgba(8, 17, 32, 0.72), rgba(18, 36, 66, 0.42));
}

.page-disclaimer .boundary-section .section-head {
  margin-bottom: 26px;
}

.page-disclaimer .boundary-grid {
  display: grid;
  gap: 16px;
}

.page-disclaimer .boundary-col {
  list-style: none;
  margin: 0;
  padding: 20px;
  display: grid;
  gap: 12px;
  background: rgba(18, 36, 66, 0.4);
  border: 1px solid var(--grid-line);
}

.page-disclaimer .boundary-allow {
  border-left: 3px solid var(--c-lime);
}

.page-disclaimer .boundary-deny {
  border-left: 3px solid var(--c-accent);
}

.page-disclaimer .boundary-col li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-text);
}

.page-disclaimer .boundary-mark {
  flex: 0 0 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid currentColor;
  font-size: 12px;
  font-weight: 700;
}

.page-disclaimer .boundary-allow .boundary-mark {
  color: var(--c-lime);
}

.page-disclaimer .boundary-deny .boundary-mark {
  color: var(--c-accent);
}

/* ===== Support strip ===== */
.page-disclaimer .support-strip {
  padding: 54px 0 72px;
}

.page-disclaimer .support-strip .container {
  padding: 30px 24px;
}

.page-disclaimer .support-panel {
  display: grid;
  gap: 22px;
  border: 1px solid var(--grid-line);
  background: linear-gradient(135deg, rgba(11, 29, 58, 0.9), rgba(0, 70, 166, 0.35));
  position: relative;
  overflow: hidden;
}

.page-disclaimer .support-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 107, 53, 0.18) 50%);
}

.page-disclaimer .support-copy .eyebrow {
  margin-bottom: 10px;
}

.page-disclaimer .support-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.15;
}

.page-disclaimer .support-desc {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  max-width: 680px;
}

.page-disclaimer .support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .support-contact {
  padding: 18px 20px;
  border: 1px solid var(--grid-line);
  background: rgba(8, 17, 32, 0.5);
  font-size: 14px;
  color: var(--c-silver);
}

.page-disclaimer .support-contact-title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text);
}

.page-disclaimer .support-contact p {
  margin: 0;
}

/* ===== Desktop ===== */
@media (min-width: 900px) {
  .page-disclaimer .hero-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

  .page-disclaimer .term-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .boundary-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-disclaimer .support-strip .container {
    padding: 36px 32px;
  }

  .page-disclaimer .support-panel {
    grid-template-columns: 1.2fr 1fr;
  }

  .page-disclaimer .support-copy {
    grid-column: 1 / 2;
  }

  .page-disclaimer .support-links {
    grid-column: 1 / 2;
    align-items: center;
  }

  .page-disclaimer .support-contact {
    grid-column: 2 / 3;
    grid-row: 1 / 3;
  }
}