/* ==========================================================
   使用协议页 · page-disclaimer
   ========================================================== */

.page-disclaimer {
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  position: relative;
  padding-bottom: clamp(16px, 3vw, 26px);
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  top: -24%;
  right: -16%;
  width: min(520px, 74vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 26, .11), rgba(255, 122, 26, 0) 68%);
  pointer-events: none;
}

.page-disclaimer .disc-hero .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero__inner {
  display: grid;
  gap: clamp(26px, 5vw, 40px);
}

.page-disclaimer .disc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.012em;
  color: var(--c-title);
}

.page-disclaimer .disc-hero__lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--c-body);
}

/* 首屏侧栏索引卡 */

.page-disclaimer .disc-hero__aside {
  padding: clamp(20px, 4vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .disc-hero__aside-note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-disclaimer .disc-hero__index {
  display: grid;
  gap: 5px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-hero__index a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  color: var(--c-body);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-hero__index a em {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-signal);
}

.page-disclaimer .disc-hero__index a:hover,
.page-disclaimer .disc-hero__index a:focus-visible {
  color: var(--c-paper);
  border-color: rgba(255, 122, 26, .55);
  background-color: rgba(255, 122, 26, .07);
}

/* 首屏配图 */

.page-disclaimer .disc-hero__figure {
  margin: clamp(28px, 5vw, 48px) 0 0;
}

.page-disclaimer .disc-hero__figure .figure__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
}

/* ---------- 条款骨架 ---------- */

.page-disclaimer .disc-clause__box {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  align-items: flex-start;
  padding: clamp(26px, 4.5vw, 40px) 0;
  border-top: 1px solid var(--c-line);
}

.page-disclaimer .disc-hero + .disc-clause .disc-clause__box {
  border-top: 0;
  padding-top: clamp(18px, 3vw, 26px);
}

.page-disclaimer .disc-clause__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .015em;
  color: var(--c-slate);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-clause__num::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin-top: 9px;
  border-radius: var(--r-pill);
  background: currentColor;
  opacity: .55;
}

.page-disclaimer .disc-clause__num:hover,
.page-disclaimer .disc-clause__num:focus-visible {
  color: var(--c-signal);
}

.page-disclaimer .disc-clause__content {
  min-width: 0;
}

.page-disclaimer .disc-clause__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 25px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.005em;
  color: var(--c-title);
}

.page-disclaimer .disc-clause__content p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-disclaimer .disc-clause__content p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-clause__content a {
  color: var(--c-signal);
  text-decoration: underline;
  text-decoration-color: rgba(255, 122, 26, .42);
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease),
              text-decoration-color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-clause__content a:hover,
.page-disclaimer .disc-clause__content a:focus-visible {
  color: var(--c-signal-soft);
  text-decoration-color: currentColor;
}

/* 条款内的要点清单 */

.page-disclaimer .disc-clause__list {
  display: grid;
  gap: 9px;
  margin: 6px 0 14px;
  padding: 0;
  max-width: 68ch;
  list-style: none;
}

.page-disclaimer .disc-clause__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--c-body);
}

.page-disclaimer .disc-clause__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-slate);
}

/* 重点条款：面板蓝底块 + 橙色左描边 */

.page-disclaimer .disc-clause--key .disc-clause__box {
  position: relative;
  padding: clamp(22px, 3.6vw, 34px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(18, 41, 63, .84), rgba(18, 41, 63, .5));
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .disc-clause--key .disc-clause__box::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--c-signal);
}

.page-disclaimer .disc-clause--key .disc-clause__num {
  color: var(--c-signal);
}

.page-disclaimer .disc-clause--key .disc-clause__num:hover,
.page-disclaimer .disc-clause--key .disc-clause__num:focus-visible {
  color: var(--c-signal-soft);
}

/* 联系方式条目 */

.page-disclaimer .disc-contact {
  display: grid;
  gap: 12px;
  margin: 18px 0 16px;
  padding: 0;
  max-width: 62ch;
  list-style: none;
}

.page-disclaimer .disc-contact li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(18, 41, 63, .52);
}

.page-disclaimer .disc-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-mist);
}

.page-disclaimer .disc-contact__val {
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-contact__hint {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-disclaimer .disc-clause__legal {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-disclaimer .disc-clause__legal a {
  font-family: var(--font-body);
}

/* ---------- 底部摘要带 ---------- */

.page-disclaimer .disc-summary {
  padding-top: clamp(34px, 6vw, 60px);
  padding-bottom: clamp(46px, 8vw, 86px);
}

.page-disclaimer .disc-summary__band {
  display: grid;
  gap: clamp(20px, 3.5vw, 32px);
  padding: clamp(26px, 4.6vw, 50px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(circle at 92% 6%, rgba(255, 122, 26, .13), rgba(255, 122, 26, 0) 56%),
    var(--c-night);
}

.page-disclaimer .disc-summary__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -.008em;
  color: var(--c-paper);
}

.page-disclaimer .disc-summary__note {
  margin: 12px 0 0;
  max-width: 36ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-disclaimer .disc-summary__list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-summary__list a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 11px 14px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.62;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-summary__list a em {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--c-signal);
}

.page-disclaimer .disc-summary__list a:hover,
.page-disclaimer .disc-summary__list a:focus-visible {
  color: var(--c-paper);
  border-color: rgba(255, 122, 26, .55);
  background-color: rgba(255, 122, 26, .08);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-disclaimer .disc-clause__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .88fr);
    align-items: start;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-disclaimer .disc-hero__figure {
    margin-top: clamp(36px, 5vw, 62px);
  }

  .page-disclaimer .disc-summary__band {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
    gap: clamp(30px, 4vw, 52px);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-clause__box {
    padding-block: clamp(34px, 3.6vw, 46px);
  }

  .page-disclaimer .disc-clause__num {
    font-size: 30px;
  }
}