@charset "UTF-8";
/* ==========================================================================
   内页与内容组件
   ========================================================================== */

/* ---------- 内页页头 ---------- */
.page-head {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(760px 420px at 84% 6%, rgba(37, 99, 235, 0.34), transparent 62%),
    radial-gradient(520px 360px at 4% 96%, rgba(201, 169, 106, 0.16), transparent 62%),
    linear-gradient(140deg, var(--navy-deep), var(--navy) 52%, #14406f);
  color: #fff;
  padding: clamp(34px, 4vw, 52px) 0 clamp(48px, 5.4vw, 76px);
}

.page-head::before {
  content: "";
  position: absolute;
  right: -160px;
  top: -220px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 0 0 60px rgba(255, 255, 255, 0.025), 0 0 0 140px rgba(255, 255, 255, 0.018);
  pointer-events: none;
  z-index: 0;
}

.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 85% 0%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 85% 0%, #000, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.page-head__in {
  position: relative;
  z-index: 2;
}

.page-head__grid {
  display: block;
  max-width: 880px;
}

/* 页头不再有右侧信息块，标题按阅读节奏收在 22 字左右 */
.page-head h1 {
  color: #fff;
  font-size: clamp(1.85rem, 3.4vw, 2.9rem);
  margin-bottom: 18px;
  letter-spacing: -0.03em;
  line-height: 1.18;
  max-width: 22em;
  text-wrap: balance;
}

.page-head p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  max-width: 46em;
  font-size: 0.9375rem;
  line-height: 1.9;
  text-wrap: pretty;
}

.page-head .eyebrow {
  color: var(--gold-light);
  margin-bottom: 16px;
}

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: clamp(20px, 2.4vw, 34px);
}

.crumb a {
  color: rgba(255, 255, 255, 0.62);
}

.crumb a:hover {
  color: var(--gold-light);
}

.crumb span {
  color: rgba(255, 255, 255, 0.26);
}

.page-head--plain .crumb,
.page-head--plain .crumb a {
  color: var(--muted);
}

/* ---------- 分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(36px, 5.4vw, 80px);
  align-items: center;
}

/* ---------- 勾选清单 ---------- */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9375rem;
  color: var(--text);
  margin: 0;
  padding: 13px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  line-height: 1.7;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.checklist li:hover {
  border-color: rgba(37, 99, 235, 0.3);
  transform: translateX(3px);
}

.checklist li svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 4px;
  color: var(--blue);
}

.checklist li b {
  color: var(--navy);
}

.checklist--plain li {
  background: transparent;
  border: none;
  padding: 0;
}

/* ---------- 正文排版 ---------- */
.prose {
  max-width: 820px;
}

.prose h2 {
  font-size: clamp(1.3rem, 1.8vw, 1.55rem);
  margin: 44px 0 16px;
}

.prose h3 {
  font-size: 1.125rem;
  margin: 30px 0 12px;
}

.prose p {
  font-size: 0.9688rem;
  line-height: 1.95;
}

.prose ul,
.prose ol {
  color: var(--text);
  font-size: 0.9688rem;
  line-height: 1.9;
}

.prose li {
  margin-bottom: 10px;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose--wide {
  max-width: none;
}

/* ---------- 信息卡 ---------- */
.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 30px 0 0;
}

.info-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: 4px var(--radius-sm) var(--radius-sm) 4px;
  padding: 24px 22px;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.info-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.info-card h3 {
  font-size: 0.9375rem;
  margin-bottom: 12px;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.info-card ul {
  margin: 0;
  padding-left: 1.05em;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.8;
}

.info-card li {
  margin-bottom: 8px;
}

/* ---------- 表格 ---------- */
/* 案例详情：关键数据概览 */
.case-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0 0 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.case h2 a {
  color: inherit;
  transition: color 0.2s var(--ease);
}

.case h2 a:hover {
  color: var(--blue);
}

.case-summary > div {
  padding: 18px 20px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.case-summary > div:nth-child(3n) {
  border-right: 0;
}

.case-summary > div:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.case-summary span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.case-summary b {
  display: block;
  margin-top: 7px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.01em;
}

/* 案例详情：引用来源 */
.refs {
  margin-top: 46px;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(180deg, #fbfcfe, #f7f9fc);
}

.refs h4 {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.refs p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
}

.refs ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 0.8125rem;
  line-height: 1.9;
  color: var(--muted);
}

.refs li::marker {
  color: var(--gold);
}

.refs a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 案例详情：上下篇 */
.case-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.case-nav a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.case-nav a:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.case-nav span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.case-nav strong {
  display: block;
  margin-top: 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.panel__sub {
  margin-top: 40px;
}

.faq-cta__title {
  margin-bottom: 6px;
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 26px 0;
  background: #fff;
  box-shadow: var(--shadow-xs);
  -webkit-overflow-scrolling: touch;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  min-width: 560px;
}

table.data th {
  background: var(--navy);
  color: #fff;
  text-align: left;
  padding: 15px 20px;
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

table.data th:first-child {
  border-left: 3px solid var(--gold);
}

table.data td {
  padding: 15px 20px;
  border-top: 1px solid var(--line-soft);
  color: var(--text);
  vertical-align: top;
  line-height: 1.75;
}

table.data tbody tr:nth-child(even) {
  background: #fafcfe;
}

table.data tbody tr:hover {
  background: var(--blue-soft);
}

table.data td b {
  color: var(--navy);
}

/* ---------- Tab ---------- */
.tabs {
  display: flex;
  width: max-content;
  max-width: 100%;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 42px;
  padding: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  scrollbar-width: none;
}

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

.tab {
  flex: none;
  border: none;
  background: transparent;
  padding: 12px 26px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  position: relative;
  font-family: inherit;
  border-radius: 999px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
  white-space: nowrap;
}

.tab::after {
  display: none;
}

.tab:hover {
  color: var(--navy);
}

.tab.is-active {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 8px 20px -12px rgba(10, 37, 64, 0.5);
  font-weight: 700;
}

.panel {
  display: none;
}

.panel.is-active {
  display: block;
  animation: fadeUp 0.45s var(--ease-out);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 条件区块 ---------- */
.cond {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3vw, 40px);
  background: #fff;
  margin-bottom: 18px;
  overflow: hidden;
  transition: border-color 0.35s var(--ease), box-shadow 0.35s var(--ease),
    transform 0.35s var(--ease-out);
}

.cond::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 169, 106, 0));
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.cond:hover {
  border-color: rgba(37, 99, 235, 0.24);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.cond:hover::before {
  opacity: 1;
}

.cond__head {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.cond__num {
  flex: none;
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--gold-deep);
  display: block;
  font-weight: 800;
  font-size: 2.25rem;
  line-height: 1;
  letter-spacing: -0.04em;
  font-feature-settings: "tnum";
  padding-top: 2px;
}

.cond__head h2 {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.cond__head span {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.quote {
  position: relative;
  border-left: 2px solid var(--gold);
  background: #fdfaf3;
  padding: 18px 22px;
  font-size: 0.8438rem;
  color: #6b5527;
  border-radius: 0 10px 10px 0;
  margin: 0 0 22px;
  line-height: 1.9;
}

.quote cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-size: 0.6875rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.cond p {
  font-size: 0.9375rem;
  margin-bottom: 14px;
  line-height: 1.9;
}

.pitfall {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 18px;
  padding: 16px 18px;
  background: #fff8f0;
  border: 1px solid #f6e3cc;
  border-radius: 10px;
  font-size: 0.875rem;
  color: #7a5320;
  line-height: 1.8;
}

.pitfall svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 4px;
  color: #c47a1e;
}

.pitfall b {
  color: #8a4b10;
}

/* ---------- 自评清单 ---------- */
.selfcheck {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.selfcheck__head {
  padding: 24px 28px;
  background:
    radial-gradient(400px 200px at 100% 0%, rgba(37, 99, 235, 0.32), transparent 60%),
    linear-gradient(150deg, var(--navy), #14406f);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.selfcheck__head h3 {
  color: #fff;
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
}

.selfcheck__head span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
}

.selfcheck__list {
  list-style: none;
  padding: 10px 14px;
  margin: 0;
}

.selfcheck__list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 15px 14px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.9375rem;
  margin: 0;
  cursor: pointer;
  border-radius: 8px;
  line-height: 1.75;
  transition: background 0.2s var(--ease);
}

.selfcheck__list li:last-child {
  border-bottom: none;
}

.selfcheck__list li:hover {
  background: var(--bg-soft);
}

.selfcheck__list input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid #c3cede;
  border-radius: 5px;
  flex: none;
  margin-top: 5px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s var(--ease);
  background: #fff;
}

.selfcheck__list input:checked {
  background: var(--blue);
  border-color: var(--blue);
}

.selfcheck__list input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}

.selfcheck__list input:checked + span {
  color: var(--muted);
}

.selfcheck__foot {
  padding: 18px 28px 24px;
  font-size: 0.8125rem;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  background: #fafcfe;
}

.selfcheck__count {
  font-weight: 800;
  color: var(--blue);
  font-feature-settings: "tnum";
  font-size: 1rem;
}

/* ---------- 案例筛选 ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 32px;
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: calc(var(--header-h) + 12px);
  z-index: 40;
}

.filters__group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filters__label {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.chip {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 0.8125rem;
  color: #33465c;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.22s var(--ease);
}

.chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.chip.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  box-shadow: 0 8px 18px -10px rgba(10, 37, 64, 0.7);
}

.filters__count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.filters__count b {
  color: var(--blue);
  font-size: 1rem;
  font-feature-settings: "tnum";
  margin: 0 2px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  grid-auto-rows: 1fr;
  gap: 20px;
}

.case {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out),
    border-color 0.4s var(--ease);
}

.case::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(37, 99, 235, 0.6));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}

.case:hover {
  transform: translateY(-5px);
  border-color: rgba(37, 99, 235, 0.24);
  box-shadow: var(--shadow);
}

.case:hover::after {
  transform: scaleX(1);
}

.case.is-hidden {
  display: none;
}

.case__top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.case__top .tag--link {
  margin-left: auto;
}

.case h2 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
  line-height: 1.5;
  letter-spacing: 0;
}

.case__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  font-size: 0.75rem;
  color: var(--muted);
  padding: 14px 0;
  border-top: 1px dashed var(--line-2);
  border-bottom: 1px dashed var(--line-2);
  margin: 14px 0 16px;
}

.case__meta b {
  color: var(--navy);
  font-weight: 600;
}

.case h3 {
  font-size: 0.6875rem;
  color: var(--gold-deep);
  margin: 0 0 8px;
  letter-spacing: 0.14em;
  font-weight: 700;
}

.case ul {
  margin: 0 0 16px;
  padding-left: 1.05em;
  font-size: 0.8438rem;
  color: var(--muted);
  line-height: 1.85;
}

.case li {
  margin-bottom: 7px;
}

.case {
  align-self: stretch;
}

.case__result {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8125rem;
  color: #16704a;
  display: flex;
  gap: 8px;
  align-items: center;
  font-weight: 600;
}

.case__result svg {
  width: 16px;
  height: 16px;
  flex: none;
}

/* ---------- FAQ ---------- */
.faq-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.faq-nav a {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 0.8125rem;
  color: #33465c;
  font-weight: 600;
  transition: all 0.22s var(--ease);
}

.faq-nav a:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: #fff;
}

.faq-group {
  margin-bottom: 44px;
  scroll-margin-top: 110px;
}

.faq-group__title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.faq-group__title h2 {
  font-size: 1.25rem;
  letter-spacing: 0;
}

.faq-group__title span {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--navy);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.faq-group__title svg {
  width: 17px;
  height: 17px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  margin-bottom: 10px;
  overflow: hidden;
  position: relative;
  transition: border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gold);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}

.faq-item.is-open {
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: var(--shadow-sm);
}

.faq-item.is-open::before {
  opacity: 1;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  line-height: 1.65;
  letter-spacing: 0.01em;
}

.faq-q:hover {
  color: var(--blue);
}

.faq-q__icon {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  position: relative;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease),
    transform 0.3s var(--ease-out);
}

.faq-q__icon::before,
.faq-q__icon::after {
  content: "";
  position: absolute;
  background: var(--blue);
  border-radius: 1px;
  transition: transform 0.25s var(--ease);
}

.faq-q__icon::before {
  width: 9px;
  height: 1.5px;
}

.faq-q__icon::after {
  width: 1.5px;
  height: 9px;
}

.faq-item.is-open .faq-q__icon {
  background: var(--navy);
  border-color: var(--navy);
  transform: rotate(180deg);
}

.faq-item.is-open .faq-q__icon::before,
.faq-item.is-open .faq-q__icon::after {
  background: #fff;
}

.faq-item.is-open .faq-q__icon::after {
  transform: rotate(90deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.42s var(--ease);
}

.faq-a__in {
  padding: 0 24px 24px;
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.95;
}

.faq-a__in p:last-child {
  margin-bottom: 0;
}

.faq-a__in strong {
  color: var(--navy);
}

/* ---------- 文章详情 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 312px;
  gap: clamp(32px, 4vw, 60px);
  align-items: start;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.article-meta--light {
  color: rgba(255, 255, 255, 0.66);
  margin-top: 22px;
}

.article-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #c3cede;
}

.article-body {
  font-size: 1rem;
  line-height: 1.98;
  color: var(--text);
  counter-reset: sec;
}

.article-body > p:first-of-type {
  font-size: 1.0625rem;
  color: #2a3c50;
  line-height: 1.95;
}

.article-body h2 {
  position: relative;
  font-size: clamp(1.25rem, 1.7vw, 1.45rem);
  margin: 50px 0 18px;
  padding-left: 18px;
  border-left: 3px solid var(--gold);
  scroll-margin-top: 110px;
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 1.0625rem;
  margin: 30px 0 12px;
  color: var(--navy);
}

.article-body p {
  margin-bottom: 1.15em;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.3em;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--bg-soft);
  border-left: 2px solid var(--gold);
  border-radius: 0 10px 10px 0;
  color: #4a5c70;
  font-size: 0.9375rem;
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.article-body .table-wrap {
  margin: 28px 0;
}

.toc {
  position: sticky;
  top: 100px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-xs);
}

.toc h4 {
  font-size: 0.75rem;
  margin-bottom: 14px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}

.toc li {
  margin: 0;
}

.toc a {
  display: block;
  padding: 8px 0 8px 12px;
  font-size: 0.8125rem;
  color: var(--muted);
  border-left: 1px solid var(--line);
  line-height: 1.65;
  transition: all 0.22s var(--ease);
}

.toc a:hover,
.toc a.is-active {
  color: var(--navy);
  border-left-color: var(--gold);
  padding-left: 16px;
  font-weight: 600;
}

.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 18px;
}

.side-card h4 {
  font-size: 0.9375rem;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.side-card p {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0 0 10px;
  line-height: 1.8;
}

.side-card ul {
  margin: 0;
  padding-left: 1.05em;
  font-size: 0.8125rem;
  color: var(--muted);
}

.side-card li {
  margin-bottom: 10px;
  line-height: 1.7;
}

.side-card li a {
  color: #33465c;
}

.side-card li a:hover {
  color: var(--blue);
}

.side-card--author {
  background:
    radial-gradient(420px 220px at 100% 0%, rgba(37, 99, 235, 0.32), transparent 62%),
    linear-gradient(160deg, var(--navy), #14406f);
  border: none;
  color: rgba(255, 255, 255, 0.72);
}

.side-card--author h4,
.side-card--author strong {
  color: #fff;
}

.side-card--author p {
  color: rgba(255, 255, 255, 0.62);
}

.side-card--author .btn {
  width: 100%;
  margin-top: 10px;
  min-height: 44px;
  font-size: 0.875rem;
}

.related {
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.related h3 {
  font-size: 1.125rem;
  margin-bottom: 22px;
}

/* ---------- 概览数字卡 ---------- */
.overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: clamp(-64px, -5vw, -44px) 0 0;
  position: relative;
  z-index: 5;
}

.overview__item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.overview__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 169, 106, 0.1));
}

.overview__item b {
  display: block;
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-feature-settings: "tnum";
}

.overview__item b em {
  color: var(--gold-deep);
  font-style: normal;
  font-size: 1.125rem;
  margin-left: 2px;
}

.overview__item span {
  font-size: 0.8125rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 团队 ---------- */
.team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.team__item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease-out);
}

.team__item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.team__avatar {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--navy), var(--navy-3));
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.team__item h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.team__item span {
  font-size: 0.75rem;
  color: var(--gold-deep);
  display: block;
  margin-bottom: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.team__item p {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.85;
}

/* ---------- 资质 ---------- */
.quals {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.qual {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 26px 20px;
  background: #fff;
  text-align: center;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease-out);
}

.qual:hover {
  border-color: rgba(201, 169, 106, 0.6);
  transform: translateY(-3px);
}

.qual svg {
  width: 28px;
  height: 28px;
  color: var(--gold-deep);
  margin: 0 auto 14px;
}

.qual b {
  display: block;
  font-size: 0.9375rem;
  color: var(--navy);
  margin-bottom: 4px;
}

.qual span {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---------- 集团架构 ---------- */
.group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.group__item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.group__item:hover {
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: var(--shadow-sm);
}

.group__item--main {
  border-color: rgba(201, 169, 106, 0.55);
  background: #fdfbf6;
}

.group__item b {
  display: block;
  font-size: 0.9375rem;
  color: var(--navy);
  margin-bottom: 6px;
}

.group__item span {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.75;
  display: block;
}

.group__item em {
  font-style: normal;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
  display: block;
  margin-bottom: 10px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1199px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 272px;
    gap: 32px;
  }
}

@media (max-width: 991px) {
  .page-head__grid {
    grid-template-columns: 1fr;
    gap: 26px;
    align-items: start;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 767px) {
  /* 案例概览：小屏两列，边框重新分配，避免三列挤成豆腐块 */
  .case-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 26px;
  }

  .case-summary > div:nth-child(n) {
    padding: 14px 16px;
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }

  .case-summary > div:nth-child(2n) {
    border-right: 0;
  }

  .case-summary > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .case-summary b {
    font-size: 0.9375rem;
  }

  .refs {
    margin-top: 34px;
    padding: 18px 18px 20px;
  }

  .case-nav {
    grid-template-columns: 1fr;
  }

  /* 表格横向滚动：露出细滚动条，提示可左右滑动 */
  .table-wrap {
    scrollbar-width: thin;
    scrollbar-color: #c3cede transparent;
  }

  .table-wrap::-webkit-scrollbar {
    height: 5px;
  }

  .table-wrap::-webkit-scrollbar-thumb {
    background: #c3cede;
    border-radius: 5px;
  }


  .wrap {
    padding: 0 18px;
  }

  .page-head {
    padding: 26px 0 40px;
  }

  .page-head h1 {
    font-size: clamp(1.5rem, 6.6vw, 1.9rem);
  }

  .crumb {
    margin-bottom: 18px;
    font-size: 0.6875rem;
  }

  .cond {
    padding: 22px 20px;
  }

  .cond__head {
    gap: 14px;
    padding-bottom: 14px;
    margin-bottom: 16px;
  }

  .cond__num {
    font-size: 1.75rem;
  }

  .selfcheck__head,
  .selfcheck__list,
  .selfcheck__foot {
    padding-left: 18px;
    padding-right: 18px;
  }

  .filters {
    padding: 14px;
    gap: 12px;
    position: static;
  }

  .filters__count {
    margin-left: 0;
    width: 100%;
  }

  .tabs {
    border-radius: 14px;
    padding: 5px;
  }

  .tab {
    padding: 10px 18px;
    font-size: 0.875rem;
  }

  .article-body h2 {
    font-size: 1.1875rem;
    margin-top: 38px;
  }

  .faq-q {
    padding: 17px 18px;
    font-size: 0.9375rem;
  }

  .faq-a__in {
    padding: 0 18px 20px;
  }

  .overview {
    margin-top: -34px;
  }

  .table-wrap {
    border-radius: 12px;
  }

  .prose h2 {
    margin-top: 36px;
  }
}

/* ==========================================================================
   细节修正（v2.1）
   ========================================================================== */

/* 页头之后的首个区块收一点上边距，避免大面积空白 */
.page-head + .section {
  padding-top: clamp(44px, 4.2vw, 68px);
}

/* 导语区块 */
.prose--lead {
  max-width: 880px;
}

.prose--lead::before {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  background: var(--gold);
  margin-bottom: 22px;
}

.prose--lead p:first-of-type {
  font-size: 1.0625rem;
  color: #26374a;
  line-height: 1.95;
}

/* FAQ：列表铺满容器（避免右侧大片留白），答案正文单独收窄行宽 */
.faq-a__in {
  max-width: 880px;
}

.faq-nav {
  counter-reset: faqq;
}

.faq-q {
  justify-content: flex-start;
  gap: 14px;
  padding: 18px 22px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.faq-q::before {
  counter-increment: faqq;
  content: counter(faqq, decimal-leading-zero);
  flex: none;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  font-feature-settings: "tnum";
  padding-top: 0.42em;
  min-width: 22px;
}

.faq-q__icon {
  margin-left: auto;
}

.faq-q:hover {
  background: rgba(37, 99, 235, 0.035);
}

/* 列表页文章卡不要被拉伸出空档 */
.article-layout .post p {
  flex: 0 0 auto;
}

/* 目录标题 */
.toc h4 {
  letter-spacing: 0.2em;
}

@media (max-width: 767px) {
  .faq-q {
    padding: 16px 18px;
    gap: 10px;
  }

  .faq-q::before {
    min-width: 18px;
  }

  .page-head + .section {
    padding-top: 40px;
  }
}

/* ==========================================================================
   栅格响应式（pages.css 中的网格需自行声明断点，避免覆盖主样式）
   ========================================================================== */
@media (max-width: 1199px) {
  .case-grid,
  .info-cards,
  .team,
  .group,
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 767px) {
  .case-grid,
  .info-cards,
  .team,
  .group,
  .quals,
  .overview,
  .post-grid {
    grid-template-columns: 1fr;
  }

  .overview {
    gap: 10px;
  }

  .overview__item {
    padding: 18px 20px;
  }

  .overview__item b {
    font-size: 1.5rem;
  }

  .group__item,
  .team__item {
    padding: 20px;
  }

  .qual {
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    padding: 18px 20px;
  }

  .qual svg {
    margin: 0;
    flex: none;
  }

  .qual b {
    margin-bottom: 2px;
  }

  .qual span {
    display: block;
  }
}

@media (max-width: 991px) {
  .split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- 404 页 ---------- */
.nf {
  padding: clamp(72px, 9vw, 132px) 0 clamp(64px, 8vw, 110px);
  text-align: center;
}

.nf__code {
  display: block;
  font-size: clamp(5.5rem, 16vw, 11rem);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(10, 37, 64, 0.22);
  font-feature-settings: "tnum";
  margin-bottom: 26px;
}

.nf__title {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-bottom: 16px;
}

.nf__text {
  max-width: 560px;
  margin: 0 auto 34px;
  color: var(--muted);
  line-height: 1.95;
  text-wrap: balance;
}

.nf__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 52px;
}

.nf__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  justify-content: center;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  max-width: 720px;
  margin: 0 auto;
  font-size: 0.875rem;
}

.nf__links a {
  color: var(--muted);
  transition: color 0.25s var(--ease);
}

.nf__links a:hover {
  color: var(--navy);
}

@media (max-width: 767px) {
  .nf__actions .btn {
    width: 100%;
  }

  /* 窄屏换行时行尾会留下孤立的「·」，改用间距分隔 */
  .article-meta {
    gap: 8px 14px;
  }

  .article-meta .dot {
    display: none;
  }

  /* 案例页数据条在手机上三列并排，避免单列纵排占掉半屏 */
  .overview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .overview__item {
    padding: 14px 12px;
  }

  .overview__item b {
    font-size: 1.2rem;
  }

  .overview__item span {
    font-size: 0.6875rem;
  }
}