/* ===== 页面：使用说明 /instructions/ ===== */
.page-disclaimer {
  --doc-rule: rgba(175, 194, 209, .62);
  --doc-rule-soft: rgba(175, 194, 209, .3);
  background: var(--sand-100);
  color: var(--ink-900);
  padding: 0 0 clamp(48px, 8vw, 96px);
}

/* --- 首屏 --- */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--sand-100);
  padding: calc(var(--header-h) + clamp(22px, 3.6vw, 48px)) 0 clamp(38px, 6vw, 78px);
}

.page-disclaimer .doc-hero-blocks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-disclaimer .doc-hero-blocks::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -10%;
  width: 58%;
  height: 152%;
  background: linear-gradient(168deg, rgba(23, 58, 86, .95) 0%, rgba(23, 58, 86, .04) 78%);
  transform: rotate(-7deg);
}

.page-disclaimer .doc-hero-blocks::after {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -46%;
  width: 52%;
  height: 132%;
  background: linear-gradient(192deg, rgba(231, 219, 197, .16), rgba(231, 219, 197, 0) 72%);
  transform: rotate(9deg);
}

.page-disclaimer .doc-hero-inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .doc-crumb {
  margin: 0 0 clamp(20px, 3.4vw, 38px);
}

.page-disclaimer .doc-crumb .breadcrumb-link {
  color: var(--ink-200);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-disclaimer .doc-crumb .breadcrumb-link:hover,
.page-disclaimer .doc-crumb .breadcrumb-link:focus-visible {
  color: var(--paper);
}

.page-disclaimer .doc-crumb .breadcrumb-current {
  color: var(--sand-300);
}

.page-disclaimer .doc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--sand-300);
}

.page-disclaimer .doc-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--flame);
}

.page-disclaimer .doc-title {
  margin: clamp(12px, 1.8vw, 20px) 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.2;
  letter-spacing: 0;
  color: var(--paper);
  max-width: 20ch;
}

.page-disclaimer .doc-lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.9;
  color: var(--sand-300);
}

/* 时间戳条纹 */
.page-disclaimer .doc-stamp {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(175, 194, 209, .34);
  border-bottom: 1px solid rgba(175, 194, 209, .34);
}

.page-disclaimer .doc-stamp-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 15px 0;
  border-top: 1px solid rgba(175, 194, 209, .18);
}

.page-disclaimer .doc-stamp-item:first-child {
  border-top: 0;
}

.page-disclaimer .doc-stamp-key {
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--ink-200);
}

.page-disclaimer .doc-stamp-val {
  font-family: var(--font-num);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .doc-stamp-note {
  font-size: var(--fs-12);
  line-height: 1.7;
  color: rgba(231, 219, 197, .74);
}

@media (min-width: 760px) {
  .page-disclaimer .doc-stamp {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .doc-stamp-item {
    padding: 20px 22px;
    border-top: 0;
    border-left: 1px solid rgba(175, 194, 209, .22);
  }

  .page-disclaimer .doc-stamp-item:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-disclaimer .doc-stamp-item:last-child {
    padding-right: 0;
  }
}

/* --- 正文布局 --- */
.page-disclaimer .doc-layout {
  display: flex;
  flex-direction: column;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(40px, 6vw, 80px);
}

.page-disclaimer .doc-rail {
  order: -1;
}

.page-disclaimer .doc-main {
  min-width: 0;
}

@media (min-width: 1080px) {
  .page-disclaimer .doc-layout {
    display: grid;
    grid-template-columns: minmax(0, 720px) 132px;
    justify-content: center;
    align-items: start;
    column-gap: clamp(40px, 5vw, 72px);
  }

  .page-disclaimer .doc-rail {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

/* --- 右侧滑标 / 章节索引 --- */
.page-disclaimer .doc-rail-title {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--ink-400);
}

.page-disclaimer .doc-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .doc-rail-item {
  flex: none;
}

.page-disclaimer .doc-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  background: var(--paper);
  border: 1px solid var(--doc-rule);
  border-radius: var(--radius);
  color: var(--ink-700);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-disclaimer .doc-rail-link:hover,
.page-disclaimer .doc-rail-link:focus-visible {
  border-color: var(--flame);
}

.page-disclaimer .doc-rail-num {
  font-family: var(--font-num);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--flame-deep);
}

.page-disclaimer .doc-rail-text {
  font-size: var(--fs-14);
  white-space: nowrap;
}

@media (max-width: 1079px) {
  .page-disclaimer .doc-rail-title {
    display: none;
  }

  .page-disclaimer .doc-rail-list {
    padding-bottom: 4px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .doc-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--doc-rule);
  }

  .page-disclaimer .doc-rail-link {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 0 10px 14px;
    border: 0;
    border-radius: 0;
    background: none;
    position: relative;
  }

  .page-disclaimer .doc-rail-link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: transparent;
    transition: background 200ms var(--ease);
  }

  .page-disclaimer .doc-rail-link:hover::before,
  .page-disclaimer .doc-rail-link:focus-visible::before {
    background: var(--flame);
  }

  .page-disclaimer .doc-rail-link:hover .doc-rail-text,
  .page-disclaimer .doc-rail-link:focus-visible .doc-rail-text {
    color: var(--ink-900);
  }
}

/* --- 编号小节 --- */
.page-disclaimer .doc-sec {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(14px, 2.4vw, 30px);
  row-gap: clamp(10px, 1.8vw, 18px);
  padding: clamp(28px, 4.4vw, 50px) 0;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .doc-sec-num {
  grid-column: 1;
  grid-row: 1;
  align-self: baseline;
  font-family: var(--font-num);
  font-size: clamp(26px, 4vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--flame);
}

.page-disclaimer .doc-sec-title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.5vw, 29px);
  line-height: 1.4;
  color: var(--ink-900);
}

.page-disclaimer .doc-sec-body {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
}

@media (max-width: 560px) {
  .page-disclaimer .doc-sec-body {
    grid-column: 1 / -1;
  }
}

.page-disclaimer .doc-sec-body > p {
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.95;
  color: var(--ink-700);
}

.page-disclaimer .doc-sec-body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-inline-link {
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--flame);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 200ms var(--ease);
}

.page-disclaimer .doc-inline-link:hover,
.page-disclaimer .doc-inline-link:focus-visible {
  color: var(--flame-deep);
}

/* --- 更新节奏细线表 --- */
.page-disclaimer .doc-schedule {
  margin: 6px 0 22px;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-schedule-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--doc-rule-soft);
}

@media (min-width: 640px) {
  .page-disclaimer .doc-schedule-row {
    grid-template-columns: 116px 172px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-disclaimer .doc-schedule-key {
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink-900);
}

.page-disclaimer .doc-schedule-cycle {
  font-family: var(--font-num);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--flame);
}

.page-disclaimer .doc-schedule-note {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-700);
}

/* --- 配图 --- */
.page-disclaimer .doc-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-disclaimer .doc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--sand-300);
}

.page-disclaimer .media-cap {
  margin-top: 10px;
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--ink-700);
}

/* --- 复制区块 --- */
.page-disclaimer .doc-copy {
  margin: 6px 0 20px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--doc-rule);
  border-left: 3px solid var(--flame);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.page-disclaimer .doc-copy-text {
  flex: 1 1 240px;
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-700);
  word-break: break-word;
}

.page-disclaimer .doc-copy--plain {
  border-left-color: var(--ink-400);
}

.page-disclaimer .doc-copy--plain .doc-copy-text {
  font-family: var(--font-num);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink-900);
}

/* --- 联系信息 --- */
.page-disclaimer .doc-contact {
  list-style: none;
  margin: 6px 0 20px;
  padding: 0;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-contact li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--doc-rule-soft);
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-700);
}

@media (min-width: 560px) {
  .page-disclaimer .doc-contact li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-disclaimer .doc-contact-key {
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--ink-700);
}

/* --- 收束 --- */
.page-disclaimer .doc-closing {
  position: relative;
  overflow: hidden;
  margin-top: clamp(34px, 5vw, 56px);
  padding: clamp(24px, 3.6vw, 42px);
  background: var(--ink-900);
  border-radius: var(--radius-lg);
}

.page-disclaimer .doc-closing::after {
  content: "";
  position: absolute;
  right: -46px;
  top: -46px;
  width: 170px;
  height: 170px;
  border: 1px solid rgba(226, 80, 42, .38);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-disclaimer .doc-closing-title {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.4;
  color: var(--paper);
}

.page-disclaimer .doc-closing p {
  position: relative;
  z-index: 1;
  margin: 0 0 22px;
  max-width: 52ch;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--sand-300);
}

.page-disclaimer .doc-closing-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .doc-closing .btn-primary {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink-900);
}

.page-disclaimer .doc-closing .btn-primary:hover,
.page-disclaimer .doc-closing .btn-primary:focus-visible {
  background: var(--flame);
  border-color: var(--flame);
  color: var(--paper);
}

.page-disclaimer .doc-closing .btn-ghost {
  background: transparent;
  border-color: rgba(231, 219, 197, .5);
  color: var(--sand-100);
}

.page-disclaimer .doc-closing .btn-ghost:hover,
.page-disclaimer .doc-closing .btn-ghost:focus-visible {
  border-color: var(--sand-300);
  color: var(--paper);
}

/* --- 延伸链接 --- */
.page-disclaimer .doc-links {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-links li {
  padding: 13px 0;
  border-bottom: 1px solid var(--doc-rule-soft);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-disclaimer .doc-links a {
  color: var(--ink-700);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-disclaimer .doc-links a:hover,
.page-disclaimer .doc-links a:focus-visible {
  color: var(--flame-deep);
}

/* --- 打印 --- */
@media print {
  .page-disclaimer {
    background: #fff;
    padding-bottom: 0;
  }

  .page-disclaimer .doc-hero {
    background: #fff;
    color: #000;
    padding-top: 0;
    border-bottom: 1px solid #c9c9c9;
  }

  .page-disclaimer .doc-hero-blocks,
  .page-disclaimer .doc-rail,
  .page-disclaimer .copy-chip,
  .page-disclaimer .doc-closing-actions,
  .page-disclaimer .doc-closing::after {
    display: none;
  }

  .page-disclaimer .doc-title,
  .page-disclaimer .doc-stamp-val {
    color: #000;
  }

  .page-disclaimer .doc-lede,
  .page-disclaimer .doc-kicker,
  .page-disclaimer .doc-stamp-key,
  .page-disclaimer .doc-stamp-note {
    color: #333;
  }

  .page-disclaimer .doc-stamp,
  .page-disclaimer .doc-stamp-item {
    border-color: #d5d5d5;
  }

  .page-disclaimer .doc-closing {
    background: #fff;
    border: 1px solid #c9c9c9;
    color: #000;
  }

  .page-disclaimer .doc-closing-title {
    color: #000;
  }

  .page-disclaimer .doc-closing p {
    color: #333;
  }

  .page-disclaimer .doc-sec {
    break-inside: avoid;
  }
}