/* ==========================================================================
   青岛栖湖数据 · 子页面样式
   与 style.css 共用同一套设计变量，只补充「页头 / 板块导航 / 详情组件」
   --------------------------------------------------------------------------
   目录
   01  页头与面包屑
   02  板块横向导航
   03  内容编排（两栏 / 三栏图文）
   04  清单、规格、数据
   05  时间轴与流程
   06  表格
   07  提示块与问答
   08  页尾翻页
   09  响应式
   ========================================================================== */

/* ==========================================================================
   01  页头与面包屑
   ========================================================================== */
.sub-hero {
  padding: 44px var(--gutter) 0;
  background: var(--paper);
}

.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 13px;
  line-height: 1;
  color: var(--txt-faint);
}

.crumbs a {
  transition: color 0.2s ease;
}

.crumbs a:hover {
  color: var(--ink);
}

.crumbs__sep {
  color: #c9c9cf;
}

.crumbs__now {
  color: var(--txt);
}

.sub-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(32px, 4vw, 64px);
  align-items: end;
}

.sub-hero__code {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.sub-hero__code::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  opacity: 0.5;
}

.sub-hero__title {
  max-width: 880px;
  font-size: clamp(32px, 3.9vw, 56px);
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.022em;
  color: var(--ink);
  text-wrap: balance;
}

.sub-hero__lead {
  max-width: 780px;
  margin-top: 22px;
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--txt-muted);
  text-wrap: balance;
}

/* 右侧速览栏 */
.sub-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-left: clamp(20px, 2.4vw, 32px);
  border-left: 1px solid var(--line);
}

.sub-hero__meta dt {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--txt-faint);
}

.sub-hero__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}

/* 深色页头 */
.sub-hero--dark {
  background: var(--ink);
  border-radius: 0 0 var(--r-panel) var(--r-panel);
}

.sub-hero--dark .crumbs {
  color: var(--dark-faint);
}

.sub-hero--dark .crumbs a:hover {
  color: var(--paper);
}

.sub-hero--dark .crumbs__sep {
  color: #4a4a51;
}

.sub-hero--dark .crumbs__now {
  color: var(--dark-muted);
}

.sub-hero--dark .sub-hero__code {
  color: var(--accent-mint);
}

.sub-hero--dark .sub-hero__code::before {
  background: var(--accent-mint);
}

.sub-hero--dark .sub-hero__title {
  color: var(--paper);
}

.sub-hero--dark .sub-hero__lead {
  color: var(--dark-muted);
}

.sub-hero--dark .sub-hero__meta {
  border-left-color: var(--dark-line);
}

.sub-hero--dark .sub-hero__meta dt {
  color: var(--dark-faint);
}

.sub-hero--dark .sub-hero__meta dd {
  color: var(--paper);
}

/* ==========================================================================
   02  板块横向导航
   ========================================================================== */
.board {
  display: flex;
  gap: 8px;
  margin-top: clamp(32px, 3.4vw, 48px);
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.board::-webkit-scrollbar {
  display: none;
}

.board a {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--paper);
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  color: var(--txt-muted);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.board a:hover {
  border-color: #c8c8ce;
  color: var(--ink);
}

.board a[aria-current="page"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.sub-hero--dark .board a {
  background: transparent;
  border-color: var(--dark-line);
  color: var(--dark-muted);
}

.sub-hero--dark .board a:hover {
  border-color: #56565e;
  color: var(--paper);
}

.sub-hero--dark .board a[aria-current="page"] {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

/* 页头与正文之间的分隔留白 */
.sub-hero + main > .sec:first-child,
.sub-hero + main > .panel-wrap:first-child {
  padding-top: 72px;
}

/* ==========================================================================
   03  内容编排
   ========================================================================== */
.sec--tight {
  padding: 72px var(--gutter);
}

/* 两栏：左标题 / 右内容 */
.duo {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  gap: clamp(28px, 4.4vw, 72px);
  align-items: start;
}

.duo--flip {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
}

.duo__sticky {
  position: sticky;
  top: 118px;
}

.duo__body {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.duo__body > p {
  font-size: var(--fs-desc);
  line-height: var(--lh-desc);
  color: var(--txt-muted);
}

.duo__title {
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.34;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: balance;
}

/* 卡片内的横向条目：编号 + 标题 + 说明 */
.rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.row {
  display: grid;
  grid-template-columns: 56px minmax(0, 0.72fr) minmax(0, 1fr);
  gap: clamp(16px, 2vw, 32px);
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s ease;
}

.row__idx {
  padding-top: 2px;
  font-size: 13px;
  color: var(--accent);
}

.row__title {
  font-size: 18px;
  line-height: 27px;
  font-weight: 600;
  color: var(--ink);
}

.row__desc {
  font-size: 14px;
  line-height: 24px;
  color: var(--txt-muted);
}

.row__desc + .row__desc {
  margin-top: 8px;
}

/* 图带 */
.band {
  position: relative;
  width: 100%;
  height: clamp(180px, 22vw, 320px);
  border-radius: var(--r-visual);
  overflow: hidden;
  background: var(--ink);
}

.band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.band__cap {
  position: absolute;
  left: 28px;
  bottom: 24px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  font-size: 13px;
  color: #fff;
}

/* 深色内容块 */
.dark-block {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: clamp(28px, 3.4vw, 52px);
  border-radius: var(--r-panel);
  background: var(--ink);
}

.dark-block__title {
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.36;
  font-weight: 500;
  color: var(--paper);
  text-wrap: balance;
}

.dark-block__desc {
  max-width: 720px;
  font-size: 15px;
  line-height: 27px;
  color: var(--dark-muted);
}

/* ==========================================================================
   04  清单、规格、数据
   ========================================================================== */
.ticks {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ticks li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 26px;
  color: var(--txt);
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--chip);
  border: 1px solid #d5e7e6;
}

.ticks li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 6px;
  height: 3px;
  border-left: 1.6px solid var(--accent);
  border-bottom: 1.6px solid var(--accent);
  transform: rotate(-45deg);
}

.ticks--sm li {
  font-size: 14px;
  line-height: 24px;
}

.ticks--sm li::before {
  top: 4px;
  width: 13px;
  height: 13px;
}

.ticks--sm li::after {
  left: 3.5px;
  top: 8px;
  width: 5px;
  height: 2.5px;
}

/* 规格表：标签 / 值 */
.spec {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.spec__item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.spec dt {
  margin: 0;
  font-size: 13px;
  line-height: 24px;
  color: var(--txt-faint);
}

.spec dd {
  margin: 0;
  font-size: 14px;
  line-height: 24px;
  color: var(--ink);
}

/* 数据条 */
.kpi {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border-radius: var(--r-card-sm);
  overflow: hidden;
  background: var(--line);
}

.kpi > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 26px;
  background: var(--paper);
}

.kpi__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.1;
  color: var(--ink);
}

.kpi__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--txt-muted);
}

.kpi--dark {
  background: #2a2a30;
}

.kpi--dark > div {
  background: var(--ink-panel);
}

.kpi--dark .kpi__num {
  color: var(--paper);
}

.kpi--dark .kpi__label {
  color: var(--dark-faint);
}

/* ==========================================================================
   05  时间轴与流程
   ========================================================================== */
.tl {
  display: flex;
  flex-direction: column;
  padding-left: 6px;
}

/* 每条：左侧阶段名 + 右侧说明，竖线贯穿 */
.tl__item {
  position: relative;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  column-gap: clamp(20px, 3vw, 40px);
  padding: 0 0 48px 46px;
}

.tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 0;
  width: 1px;
  background: var(--line-soft);
}

.tl__item:last-child {
  padding-bottom: 0;
}

.tl__item:last-child::before {
  display: none;
}

.tl__dot {
  position: absolute;
  left: -4px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--accent);
}

.tl__phase {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  grid-column: 1;
  grid-row: 1 / span 2;
  gap: 12px;
}

.tl__tag {
  padding: 4px 11px;
  border-radius: var(--r-pill);
  background: var(--chip);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.tl__title {
  font-size: 20px;
  line-height: 30px;
  font-weight: 600;
  color: var(--ink);
}

.tl__desc {
  grid-column: 2;
  grid-row: 1;
  max-width: 720px;
  font-size: 14px;
  line-height: 24px;
  color: var(--txt-muted);
}

.tl__list {
  display: flex;
  flex-wrap: wrap;
  grid-column: 2;
  grid-row: 2;
  gap: 8px;
  margin-top: 16px;
}

.tl__list li {
  padding: 6px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.4;
  color: var(--txt);
}

/* 横向流程：带序号与连接线 */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.steps--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 26px;
  border-radius: var(--r-card-sm);
  background: var(--paper);
  border: 1px solid var(--line);
}

.step-card__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  color: var(--paper);
}

.step-card__title {
  font-size: 17px;
  line-height: 26px;
  font-weight: 600;
  color: var(--ink);
}

.step-card__desc {
  font-size: 14px;
  line-height: 24px;
  color: var(--txt-muted);
}

.steps--dark .step-card {
  background: var(--ink-panel);
  border-color: var(--ink-line);
}

.steps--dark .step-card__no {
  background: var(--accent);
  color: var(--paper);
}

.steps--dark .step-card__title {
  color: var(--paper);
}

.steps--dark .step-card__desc {
  color: var(--dark-faint);
}

/* ==========================================================================
   06  表格
   ========================================================================== */
.matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--paper);
}

.matrix {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.matrix th,
.matrix td {
  padding: 16px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.matrix thead th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--txt-faint);
  background: #fbfbfc;
  white-space: nowrap;
}

.matrix tbody tr:last-child td {
  border-bottom: 0;
}

.matrix tbody tr:hover {
  background: #fbfbfc;
}

.matrix td:first-child {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.matrix td {
  color: var(--txt-muted);
  line-height: 24px;
}

/* ==========================================================================
   07  提示块与问答
   ========================================================================== */
.note {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 28px;
  border-radius: 20px;
  background: var(--chip);
  border: 1px solid #e0efee;
}

.note__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.note p {
  max-width: 820px;
  font-size: 14px;
  line-height: 24px;
  color: var(--txt);
}

.note--dark {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--ink-line);
}

.note--dark .note__title {
  color: var(--accent-mint);
}

.note--dark p {
  color: var(--dark-muted);
}

.faq {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq details {
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.faq details:hover {
  border-color: #d2d2d8;
}

.faq details[open] {
  background: #fdfdfe;
  border-color: #cfcfd6;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  font-size: 16px;
  line-height: 26px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--txt-faint);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  content: "−";
}

.faq__body {
  max-width: 780px;
  padding: 0 0 22px;
  font-size: 14px;
  line-height: 24px;
  color: var(--txt-muted);
}

/* 引述 */
.quote {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 36px;
  border-left: 2px solid var(--accent);
  background: var(--surface);
  border-radius: 0 20px 20px 0;
}

.quote p {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.62;
  font-weight: 500;
  color: var(--ink);
}

.quote cite {
  font-size: 13px;
  font-style: normal;
  color: var(--txt-faint);
}

/* ==========================================================================
   08  页尾翻页
   ========================================================================== */
.pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 0 var(--gutter) 80px;
  background: var(--paper);
}

.pager a {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 32px;
  border-radius: 24px;
  background: var(--surface);
  transition: background-color 0.22s ease, transform 0.22s ease;
}

.pager a:hover {
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.pager__label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--txt-faint);
}

.pager__title {
  font-size: 18px;
  line-height: 27px;
  font-weight: 500;
  color: var(--ink);
}

.pager a.is-next {
  align-items: flex-end;
  text-align: right;
}

/* 子页面页头之后的商城入口提示 */
.pager + .site-footer {
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   08b  组合工具类（区块内元素的节奏与细节修正）
   ========================================================================== */
/* 标题组与下方内容之间的统一间距 */
.stack,
.rows--gap {
  margin-top: clamp(28px, 3vw, 44px);
}

/* 行内副标题：面向对象 / 角色 */
.row__meta {
  margin-top: 6px;
  font-size: 13px;
  line-height: 22px;
  color: var(--txt-faint);
}

.card__link-wrap {
  margin-top: 12px;
}

/* 标题中不允许拆开的词组（避免「票/据」「青/岛」这类断行） */
.nb {
  white-space: nowrap;
}

/* 清单里的强调词 */
.ticks strong {
  font-weight: 600;
  color: var(--ink);
}

/* 深色块内的清单与规格表需要换配色，否则对比度不足 */
.dark-block .eyebrow {
  margin-bottom: 14px;
  color: var(--accent-mint);
}

.dark-block .ticks li {
  color: var(--dark-muted);
}

.dark-block .ticks strong {
  color: var(--paper);
}

.dark-block .ticks li::before {
  background: rgba(255, 255, 255, 0.05);
  border-color: #38484a;
}

.dark-block .ticks li::after {
  border-left-color: var(--accent-mint);
  border-bottom-color: var(--accent-mint);
}

.dark-block .spec {
  border-top-color: var(--ink-line);
}

.dark-block .spec__item {
  border-bottom-color: var(--ink-line);
}

.dark-block .spec dt {
  color: var(--dark-faint);
}

.dark-block .spec dd {
  color: var(--paper);
}

.dark-block .kpi {
  margin-top: 8px;
}

/* 三列数据条 */
.kpi--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* 深色页头需要底部留白，避免板块导航贴到圆角边 */
.sub-hero--dark {
  padding-bottom: 32px;
}

/* ==========================================================================
   09  响应式
   ========================================================================== */
@media (max-width: 1100px) {
  .sub-hero__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .sub-hero__meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 40px;
    padding-left: 0;
    padding-top: 24px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .sub-hero--dark .sub-hero__meta {
    border-top-color: var(--dark-line);
  }

  .duo,
  .duo--flip {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .duo__sticky {
    position: static;
  }

  .kpi {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 6px 16px;
  }

  .row__idx {
    grid-column: 1;
    grid-row: 1;
  }

  /* 标题行占第 1 行右侧，说明整体落到第 2 行，避免被挤进 40px 的序号列 */
  .row > div:nth-of-type(1) {
    grid-column: 2;
    grid-row: 1;
  }

  .row > div:nth-of-type(2) {
    grid-column: 2;
    grid-row: 2;
  }

  /* 时间轴在窄屏回到单列：阶段名在上，说明在下 */
  .tl__item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 14px;
  }

  .tl__phase {
    flex-direction: row;
    align-items: center;
    grid-column: 1;
    grid-row: auto;
    gap: 12px;
  }

  .tl__desc,
  .tl__list {
    grid-column: 1;
    grid-row: auto;
  }

  .tl__list {
    margin-top: 0;
  }
}

@media (max-width: 860px) {
  .sub-hero {
    padding: 28px var(--gutter) 0;
  }

  .crumbs {
    margin-bottom: 24px;
  }

  .sub-hero__title {
    font-size: clamp(28px, 7.4vw, 38px);
    line-height: 1.26;
  }

  .sub-hero__lead {
    margin-top: 16px;
    font-size: 15px;
    line-height: 27px;
  }

  .board {
    margin-top: 28px;
  }

  .sub-hero + main > .sec:first-child,
  .sub-hero + main > .panel-wrap:first-child {
    padding-top: 44px;
  }

  .sec--tight {
    padding: 48px var(--gutter);
  }

  .steps,
  .steps--3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .tl__item {
    padding: 0 0 32px 32px;
  }

  .pager {
    grid-template-columns: minmax(0, 1fr);
    padding-bottom: 56px;
  }

  .pager a.is-next {
    align-items: flex-start;
    text-align: left;
  }

  .quote {
    padding: 24px 24px;
  }
}

@media (max-width: 480px) {
  .kpi {
    grid-template-columns: minmax(0, 1fr);
  }

  .kpi > div {
    padding: 22px 20px;
  }

  .spec__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .row {
    padding: 20px 0;
  }

  .note {
    padding: 20px 20px;
  }
}