/* --- 剑江啤酒案例详情页 ---
   页面专属样式：案例 Hero、关键数据、案例步骤、截图框与交付表。
   基础令牌、按钮、卡片、区块标题均复用 /styles/base.css 与 /index.css。 */

/* --- Hero --- */
.case-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 72px;
  background-color: #fbfcfe;
  background-image:
    radial-gradient(
      44% 62% at 84% 2%,
      rgba(0, 82, 204, 0.1) 0%,
      rgba(0, 82, 204, 0) 66%
    ),
    radial-gradient(
      32% 48% at 6% 96%,
      rgba(43, 198, 222, 0.08) 0%,
      rgba(43, 198, 222, 0) 70%
    ),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 58%, #ffffff 100%);
  border-bottom: 1px solid var(--color-hairline);
}

/* 细网格只作为极浅的底纹，不抢截图里的产品颜色 */
.case-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(15, 27, 45, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 27, 45, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(72% 88% at 50% 28%, #000 0%, transparent 78%);
  mask-image: radial-gradient(72% 88% at 50% 28%, #000 0%, transparent 78%);
  pointer-events: none;
}

.case-hero .container {
  position: relative;
  z-index: 1;
}

.case-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: var(--font-size-xs);
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.case-breadcrumb a {
  color: var(--color-text-secondary);
}

.case-breadcrumb a:hover {
  color: var(--color-primary);
}

.case-breadcrumb span[aria-hidden="true"] {
  color: #c3c9d1;
}

.case-breadcrumb [aria-current="page"] {
  color: var(--color-text-primary);
}

.case-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: center;
}

.case-hero__body {
  min-width: 0;
}

.case-hero h1 {
  max-width: 560px;
  margin-bottom: 18px;
  font-size: 38px;
  line-height: 1.18;
  letter-spacing: 0.012em;
}

/* 避免中文标题在「五语种」「27 年」「34 个 SKU」中间断行 */
.case-hero h1 .case-nowrap {
  white-space: nowrap;
}

.case-hero__lead {
  max-width: 520px;
  margin-bottom: 20px;
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--color-text-primary);
}

.case-hero .case-tags {
  margin-bottom: 26px;
}

.case-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.case-actions .btn {
  margin: 0;
}

.case-cover {
  min-width: 0;
}

/* --- 关键数据 --- */
.case-facts {
  border-bottom: 1px solid var(--color-hairline);
  background-color: #fff;
}

.case-facts__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.case-fact {
  padding: 26px 28px;
  border-left: 1px solid var(--color-hairline);
}

.case-fact:first-child {
  border-left: 0;
}

.case-fact__num {
  display: block;
  font-size: 30px;
  font-weight: var(--font-weight-medium);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--color-text-headings);
  font-variant-numeric: tabular-nums;
}

.case-fact__label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

/* --- 背景：正文 + 项目信息卡 --- */
.case-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  gap: 64px;
  align-items: start;
}

.case-overview__body {
  min-width: 0;
}

.case-overview .section-title {
  max-width: 640px;
  margin-bottom: 24px;
  text-align: left;
}

.case-overview .prose {
  max-width: 640px;
  margin: 0;
}

.case-overview .prose p:last-child {
  margin-bottom: 0;
}

.case-meta-card {
  max-width: 680px;
  position: sticky;
  top: 96px;
  padding: 24px 26px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  background-color: #fff;
  box-shadow: var(--shadow-sm);
}

.case-meta-card__title {
  margin-bottom: 16px;
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.case-meta-card dl {
  margin: 0;
}

.case-meta-card dt {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.case-meta-card dt:first-of-type {
  margin-top: 0;
}

.case-meta-card dd {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-primary);
}

.case-meta-card dd a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.case-callout {
  margin-top: 32px;
  padding: 22px 24px;
  border: 1px solid rgba(0, 82, 204, 0.14);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #f7faff 0%, #f1f6ff 100%);
}

.case-callout__title {
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
  color: var(--color-primary);
  line-height: 1.5;
}

.case-callout__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-callout__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-headings);
}

.case-callout__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

/* --- 五个做法 --- */
.case-steps {
  margin-top: 8px;
}

.case-step {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
  padding: 64px 0;
}

.case-step:first-child {
  padding-top: 0;
}

.case-step + .case-step {
  border-top: 1px solid var(--color-hairline);
}

.case-step:nth-child(even) .case-step__body {
  order: 2;
}

.case-step:nth-child(even) .case-step__media {
  order: 1;
}

.case-step__body {
  min-width: 0;
  max-width: 640px;
}

/* 步骤小标题复用小标签样式（11px / 700 / 0.18em）。
   段落字号只作用于正文，用 :not(.eyebrow) 排除小标签——否则
   `.case-step__body p` 会把「01 · Trust」放大成 16px 正文色。 */
.case-step__body .eyebrow {
  margin-bottom: 12px;
}

.case-step__body h3 {
  margin-bottom: 16px;
  font-size: 20px;
  line-height: 1.35;
}

.case-step__body p:not(.eyebrow) {
  font-size: var(--font-size-base);
  line-height: 1.75;
  color: var(--color-text-primary);
}

.case-step__body p:last-child {
  margin-bottom: 0;
}

.case-step__body .feature-list {
  margin-top: 18px;
}

.case-step__body .feature-list li {
  font-size: 15px;
  line-height: 1.7;
}

.case-step__media {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

/* 截图统一用同一套边框与图注 */
.case-shot {
  margin: 0;
}

.case-frame {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: #fff;
  box-shadow: var(--shadow-md);
}

.case-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.case-shot figcaption {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-hairline);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* 对话面板：窄幅竖图，限制宽度，避免被拉到整栏 */
.case-shot--panel {
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

/* 手机截图：只做一层窄边框，不做夸张的 3D 样机 */
.case-shot--phone {
  display: block;
  text-align: center;
}

.case-phone {
  width: min(280px, 78%);
  margin: 0 auto;
  padding: 8px;
  border-radius: 34px;
  background-color: #0f1b2d;
  box-shadow: var(--shadow-lg);
}

.case-phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 26px;
}

/* 语种覆盖卡：用文字讲清“分层”，比一张小截图更清楚 */
.case-lang-card {
  padding: 22px 24px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  background-color: #fff;
  box-shadow: var(--shadow-sm);
}

.case-lang-card__title {
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-headings);
  line-height: 1.5;
}

.case-lang-card__note {
  margin-bottom: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.case-lang-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-lang-card li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid var(--color-hairline);
  font-size: 14px;
  line-height: 1.5;
}

.case-lang-card li:first-child {
  border-top: 0;
}

.case-lang-card strong {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.case-lang-card span {
  flex: none;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.case-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.case-tech-list li {
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background-color: #fff;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* --- 厂区实拍横幅 --- */
.case-band {
  padding: 0 0 72px;
}

.case-band__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.case-band__grid .case-shot {
  margin: 0;
}

.case-band__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .case-band__grid {
    grid-template-columns: 1fr;
  }
}

/* --- 交付清单 --- */
.case-delivery {
  max-width: 920px;
  margin: 0 auto;
  border-top: 1px solid var(--color-hairline);
}

.case-table {
  width: 100%;
  border-collapse: collapse;
}

.case-table th,
.case-table td {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-hairline);
  text-align: left;
  vertical-align: top;
}

.case-table th {
  width: 180px;
  padding-right: 24px;
  font-size: 14px;
  font-weight: var(--font-weight-normal);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.case-table td {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-primary);
}

.case-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --- 上线后 + 边界 --- */
.case-result {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 48px;
  align-items: start;
}

.case-result__body {
  max-width: 680px;
}

.case-result__body h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.case-result__body > p {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.case-check-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.case-check-list li {
  position: relative;
  padding: 12px 0 12px 30px;
  border-top: 1px solid var(--color-hairline);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-primary);
}

.case-check-list li:first-child {
  border-top: 0;
}

.case-check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-primary-soft);
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.case-scope {
  max-width: 680px;
  padding: 26px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  background-color: #fff;
  box-shadow: var(--shadow-sm);
}

.case-scope h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

.case-scope ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-scope li {
  position: relative;
  padding: 8px 0 8px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.case-scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-primary);
  opacity: 0.5;
}

.case-disclaimer {
  margin-top: 24px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* --- 响应式 --- */
@media (max-width: 992px) {
  .case-hero__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .case-hero__body {
    max-width: 680px;
  }

  .case-hero h1 {
    max-width: none;
    font-size: 34px;
  }

  .case-overview {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .case-meta-card {
    position: static;
  }

  .case-step {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0;
  }

  .case-step:nth-child(even) .case-step__body,
  .case-step:nth-child(even) .case-step__media {
    order: initial;
  }

  .case-result {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .case-hero {
    padding: 22px 0 56px;
  }

  .case-breadcrumb {
    margin-bottom: 24px;
  }

  .case-hero h1 {
    font-size: 30px;
  }

  .case-hero__lead {
    font-size: var(--font-size-base);
  }

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

  .case-fact {
    padding: 22px 20px;
    border-left: 0;
    border-top: 1px solid var(--color-hairline);
  }

  .case-fact:nth-child(-n + 2) {
    border-top: 0;
  }

  .case-fact:nth-child(even) {
    border-left: 1px solid var(--color-hairline);
  }

  .case-fact__num {
    font-size: 26px;
  }

  .case-step__body h3 {
    font-size: 20px;
  }

  .case-step {
    padding: 40px 0;
  }

  .case-step__media {
    gap: 16px;
  }

  .case-band {
    padding-bottom: 56px;
  }

  .case-table th {
    width: 110px;
    padding-right: 16px;
    font-size: 12px;
  }

  .case-table td {
    font-size: 14px;
  }

  .case-result__body h3 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .case-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .case-actions .btn {
    width: 100%;
  }

  .case-phone {
    width: min(250px, 86%);
  }

  .case-callout__list {
    flex-direction: column;
    gap: 8px;
  }
}