/* =========================================================
 * style.css — Marketing Portfolio V2.0
 * 视觉关键词：Modern / Minimal / Professional / Clean / Readable
 * ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --bg:        #FAF9F7;   /* 米白页面底 */
  --surface:   #FFFFFF;   /* 卡片底 */
  --ink:       #17181C;   /* 主文字 */
  --ink-2:     #5A5D66;   /* 次级文字 */
  --ink-3:     #9A9DA6;   /* 弱化文字 */
  --line:      #E9E7E2;   /* 分割线 */
  --accent:    #C8552C;   /* 强调色（赭橘，克制使用） */
  --accent-soft: #FBEFE9; /* 强调色浅底 */
  --radius:    16px;
  --radius-s:  10px;
  --shadow:    0 1px 2px rgba(23,24,28,.04), 0 8px 24px rgba(23,24,28,.05);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 32px 24px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* =========================================================
 * Profile Card
 * ========================================================= */
.profile-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 32px;
}

.profile-avatar {
  width: 150px;
  height: 200px;
  border-radius: 20px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 600;
  color: var(--accent);
}
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }

.profile-name {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .5px;
  line-height: 1.3;
}
.profile-name-en {
  font-size: 17px;
  font-weight: 500;
  color: var(--ink-3);
  margin-left: 8px;
}
.profile-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 6px;
}
.profile-tagline {
  font-size: 14px;
  color: var(--ink-2);
  margin-top: 8px;
  max-width: 560px;
}

.profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-2);
}
.profile-meta .meta-item { display: inline-flex; align-items: baseline; gap: 6px; }
.profile-meta .meta-label {
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: .5px;
}

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

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: border-color .18s, background .18s, transform .12s;
  white-space: nowrap;
}
.action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.action-btn:active { transform: scale(.97); }
.action-btn.primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.action-btn.primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* =========================================================
 * Tab Bar（模块入口）
 * ========================================================= */
.tab-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 22px 0;
}

.tab-item {
  padding: 16px 12px;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  transition: border-color .18s, box-shadow .18s, transform .12s;
}
.tab-item:hover { border-color: var(--ink-3); transform: translateY(-1px); }
.tab-item .tab-label {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 1px;
}
.tab-item .tab-sub {
  display: block;
  font-size: 11.5px;
  color: var(--ink-3);
  margin-top: 2px;
  letter-spacing: .4px;
  text-transform: uppercase;
}
.tab-item.active {
  border-color: var(--ink);
  box-shadow: inset 0 -3px 0 var(--accent);
}
.tab-item.active .tab-label { color: var(--ink); }

/* =========================================================
 * Content Area（唯一切换区）
 * ========================================================= */
.content-area {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  min-height: 480px;
  animation: fadeIn .25s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
.content-area.switching { animation: fadeIn .25s ease; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}
.section-head h2 { font-size: 20px; font-weight: 700; letter-spacing: .5px; }
.section-head .en { font-size: 12px; color: var(--ink-3); letter-spacing: 1.5px; text-transform: uppercase; }

/* =========================================================
 * 工作经历 Timeline
 * ========================================================= */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 8px; bottom: 8px;
  width: 1.5px;
  background: var(--line);
}
.exp-item {
  position: relative;
  padding: 0 0 26px 20px;
}
.exp-item:last-child { padding-bottom: 4px; }
.exp-item::before {
  content: "";
  position: absolute;
  left: -24px; top: 9px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--surface);
  border: 2.5px solid var(--accent);
}
.exp-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.exp-company { font-size: 16.5px; font-weight: 700; }
.exp-role {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 1px 10px;
  border-radius: 999px;
}
.exp-period { font-size: 13px; color: var(--ink-3); margin-left: auto; font-variant-numeric: tabular-nums; }
.exp-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.exp-tag {
  font-size: 12.5px;
  color: var(--ink-2);
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 2px 12px;
  border-radius: 999px;
}

/* 了解更多 Accordion */
.exp-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 450;
  color: var(--ink-3);
  background: none;
  border: none;
  border-radius: 0;
  padding: 0;
  transition: color .2s, opacity .2s;
}
.exp-toggle:hover { color: var(--accent); opacity: .85; }

.exp-detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .28s ease;
}
.exp-detail.open { grid-template-rows: 1fr; }
.exp-detail-inner {
  overflow: hidden;
  margin-top: 18px;
  padding-top: 2px;
}
.exp-detail .bullet-list { gap: 10px; }
.exp-detail .bullet-list li {
  color: var(--ink-2);
  font-weight: 400;
  line-height: 1.7;
}
.exp-intro {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
.exp-achievements { margin-top: 2px; }
/* 数据成果中数字强调（仅带 highlightNums 的条目），不整行加粗 */
.exp-achievements .num-hl {
  color: var(--accent);
  font-weight: 600;
}

/* 通用 Bullet List */
.bullet-list {
  list-style: none;
  display: grid;
  gap: 6px;
}
.bullet-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.6;
}
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: .62em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.bullet-list.accent li { color: var(--ink); font-weight: 500; }
.bullet-list li.placeholder { color: var(--ink-3); }

/* =========================================================
 * 案例作品（核心）
 * ========================================================= */
.cases-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: start;
}

/* 左侧品牌导航（分组 + 折叠） */
.brand-nav { display: flex; flex-direction: column; gap: 4px; position: sticky; top: 24px; }

.group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 12px 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 1.5px;
  text-align: left;
  transition: color .15s;
}
.group-head:hover { color: var(--ink-2); }
.group-head.has-active { color: var(--accent); }
.group-head .chevron { font-size: 10px; transition: transform .2s; }
.group-head .chevron.closed { transform: rotate(-90deg); }

.group-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
.group-list.collapsed { display: none; }
.brand-item {
  text-align: left;
  padding: 12px 16px;
  border-radius: var(--radius-s);
  border: 1px solid transparent;
  transition: background .15s, border-color .15s;
}
.brand-item:hover { background: var(--bg); }
.brand-item .b-name { display: block; font-size: 14.5px; font-weight: 600; }
.brand-item .b-cat  { display: block; font-size: 11.5px; color: var(--ink-3); margin-top: 1px; }
.brand-item.active {
  background: var(--accent-soft);
  border-color: rgba(200,85,44,.25);
}
.brand-item.active .b-name { color: var(--accent); }

/* 右侧案例详情：手机 + 文字 双栏 */
.case-detail {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 32px;
  animation: fadeIn .25s ease;
}

/* ---- 手机 Mockup ---- */
.phone-col { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.phone-mockup {
  width: 258px;
  height: 528px;
  border-radius: 38px;
  background: #111216;
  padding: 10px;
  box-shadow: 0 12px 32px rgba(23,24,28,.16);
  position: relative;
  flex-shrink: 0;
}
.phone-mockup::before {           /* 刘海 */
  content: "";
  position: absolute;
  top: 10px; left: 50%;
  transform: translateX(-50%);
  width: 82px; height: 20px;
  background: #111216;
  border-radius: 0 0 12px 12px;
  z-index: 2;
}
.phone-screen {
  width: 100%; height: 100%;
  border-radius: 18px;
  overflow: hidden;
  background: #111216;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.phone-screen img { width: 100%; height: 100%; object-fit: cover; object-position: center bottom; opacity: 0; transition: opacity .25s ease; }
.phone-screen img.loaded { opacity: 1; }
.phone-screen video { width: 100%; height: 100%; object-fit: cover; object-position: center bottom; background: #000; }
.phone-screen .screen-placeholder { background: var(--bg); width: 100%; height: 100%; }

/* 屏内占位 */
.screen-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--ink-3);
  font-size: 13px;
  padding: 0 24px;
  text-align: center;
}
.screen-placeholder .ph-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px dashed var(--ink-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.screen-placeholder .ph-label { font-weight: 600; color: var(--ink-2); }

/* 缩略图 */
.thumb-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 280px;
}
.thumb {
  width: 58px; height: 58px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 16px;
  overflow: hidden;
  transition: border-color .15s, transform .12s;
  position: relative;
}
.thumb .t-label {
  font-size: 8.5px;
  color: var(--ink-3);
  line-height: 1.25;
  padding: 0 3px;
  text-align: center;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.thumb:hover { border-color: var(--ink-3); }
.thumb.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.thumb-img-btn { padding: 0; background: var(--bg); }
.thumb-img-btn .thumb-img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

/* 操作说明（精简后的案例详情） */
.case-hint-inline {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-3);
  line-height: 1.5;
  margin-top: 4px;
}

/* ---- 案例文字信息 ---- */
.case-info { min-width: 0; }

.case-block { margin-bottom: 18px; }
.case-block h4 {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.case-block h4::before {
  content: "";
  width: 14px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.case-block p { font-size: 14px; color: var(--ink-2); }
.case-block p.placeholder { color: var(--ink-3); font-style: normal; }

/* 一句话成果 */
.outcome-card {
  background: var(--accent-soft);
  border: 1px solid rgba(200,85,44,.18);
  border-radius: var(--radius-s);
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.6;
}
.outcome-card.placeholder { color: var(--ink-3); font-weight: 400; }

/* 成果数据卡片 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}
.metric-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 14px 16px;
}
.metric-card .m-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.metric-card .m-value.empty { color: var(--ink-3); font-size: 14px; font-weight: 500; }
  .metric-card .m-label { font-size: 12px; color: var(--ink-2); margin-top: 4px; }

  /* 项目成效模块（仅东阿阿胶） */
  .case-block h4 .en {
    font-size: 10.5px;
    color: var(--ink-3);
    letter-spacing: 1.5px;
    margin-left: 8px;
    font-weight: 700;
  }
  .results-block { margin-bottom: 18px; }
  .result-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .result-cards--3 { grid-template-columns: repeat(3, 1fr); }
  .result-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
    padding: 14px 16px;
  }
  .result-card .rc-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
  }
  .result-card .rc-label { font-size: 12px; color: var(--ink-2); margin-top: 4px; }
  .result-card.rc-main { grid-column: 1 / -1; }
  .result-card.rc-main .rc-value { font-size: 30px; }
  .result-card.rc-main .rc-label { font-size: 13px; }

  .result-figure {
    margin-top: 10px;
    aspect-ratio: 5 / 2;
    min-height: 96px;
    border-radius: var(--radius-s);
    overflow: hidden;
    background: var(--bg);
  }
  .rf-placeholder {
    width: 100%;
    height: 100%;
    border: 1.5px dashed var(--line);
    border-radius: var(--radius-s);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-3);
    font-size: 13px;
    text-align: center;
    padding: 0 20px;
  }
  .rf-img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0; transition: opacity .25s ease; }
  .rf-img.loaded { opacity: 1; }
  .result-summary {
    margin-top: 8px;
    font-size: 13.5px;
    color: var(--ink-2);
    line-height: 1.7;
  }

  /* 和兴白花油：双平台成本分框 */
  .cost-row-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 12px; }
  .cost-box { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
  .cost-box-title { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
  .cost-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 12.5px; padding: 3px 0; }
  .cost-k { color: var(--ink-2); }
  .cost-v { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }

  /* 和兴白花油：成果信息图（极简进度条 + 圆形 Badge，无坐标轴/图例/网格） */
  .info-graphic { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
  .ig-module { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 16px 14px; }
  .ig-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
  .ig-title { font-size: 15px; font-weight: 700; color: var(--ink); margin: 0; }
  .ig-bar-row { margin-bottom: 11px; }
  .ig-bar-row:last-child { margin-bottom: 0; }
  .ig-bar-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-2); margin-bottom: 5px; }
  .ig-bar-track { height: 11px; background: #FBEFE9; border-radius: 999px; overflow: hidden; }
  .ig-bar-fill { height: 100%; border-radius: 999px; }
  .ig-bar-target { background: #F0C3AE; }
  .ig-bar-actual { background: linear-gradient(90deg, #E2724A, var(--accent)); }
  .ig-badge { flex: 0 0 auto; width: 52px; height: 52px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(200,85,44,.28); }
  .ig-badge .ig-rate-label { font-size: 8.5px; opacity: .9; line-height: 1.1; }
  .ig-badge .ig-rate { font-size: 15px; font-weight: 800; line-height: 1.15; }

  /* 案例图片右上角数据浮层（东阿阿胶 / 小青盒 等带 overlay 数据的项目共用同款样式） */
  .screen-overlay {
    position: absolute;
    top: 60px;
    right: 12px;
    z-index: 3;
    pointer-events: none;
    background: rgba(255, 255, 255, .82);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 10px;
    padding: 7px 9px;
    box-shadow: 0 2px 10px rgba(23, 24, 28, .12);
    font-size: 9.5px;
    line-height: 1.55;
  }
  .screen-overlay .so-row { display: flex; justify-content: space-between; gap: 10px; }
  .screen-overlay .so-k { color: var(--ink-2); }
  .screen-overlay .so-v { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }

  /* 活动策划项目详情（三九×澳诺）：传播规划 / 传播物料 / 活动现场 */
  .case-detail.event-detail {
    grid-template-columns: 1fr 1fr;
    gap: 24px 32px;
    align-items: start;
  }
  .event-intro { grid-column: 1 / -1; }
  .event-plan  { grid-column: 1 / -1; }
  .event-bottom {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 32px;
    align-items: start;
  }
  .event-materials { grid-column: 1 / 2; }
  .event-site { grid-column: 2 / 3; }

  /* 两图并列：电脑端左右等宽，手机端单列纵向 */
  .ev-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 8px; }
  .ev-figure {
    aspect-ratio: 16 / 9;
    min-height: 150px;
    border: 1.5px dashed var(--line);
    border-radius: var(--radius-s);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-3);
    font-size: 13px;
    text-align: center;
    padding: 0 16px;
  }
  /* 传播物料：竖版图片框（适合公众号截图 / 海报等竖版内容） */
  .event-materials .ev-figure { aspect-ratio: 3 / 4; }
  /* 活动现场：横向 4:3 大图 */
  .event-site .ev-figure { aspect-ratio: 4 / 3; }
  .ev-figure--filled {
    border: none;
    background: var(--bg);
    padding: 0;
    min-height: 0;
    overflow: hidden;
  }
  .ev-figure--filled picture,
  .ev-figure--filled img,
  .ev-img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-s); display: block; }
  .ev-img { opacity: 0; transition: opacity .25s ease; }
  .ev-img.loaded { opacity: 1; }

  /* ---------- 多平台矩阵案例（武志红 IP）：4 台小手机并列 ---------- */
  .case-detail.matrix-detail { grid-template-columns: 1fr; gap: 22px; align-items: start; }
  .matrix-intro { grid-column: 1 / -1; }
  .matrix-row {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }
  .matrix-cell { display: flex; flex-direction: column; align-items: center; gap: 10px; }
  .matrix-phone {
    width: 100%;
    max-width: 158px;
    height: auto;
    aspect-ratio: 258 / 528;
    border-radius: 26px;
    margin: 0 auto;
  }
  .matrix-phone::before { width: 54px; height: 13px; }
  .matrix-phone .phone-screen { border-radius: 12px; }
  .matrix-tag {
    margin-top: 2px;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 12px;
    border: 1.5px solid var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    cursor: pointer;
    white-space: nowrap;
    transition: transform .12s, box-shadow .15s;
  }
  .matrix-tag:not(:disabled):hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(200,85,44,.18); }
  .matrix-tag:disabled {
    cursor: default;
    opacity: .55;
    background: var(--bg);
    color: var(--ink-3);
    border-color: var(--line);
  }

  /* =========================================================
   * 专业能力 Capsule
 * ========================================================= */
.skill-group { margin-bottom: 26px; }
.skill-group:last-child { margin-bottom: 0; }
.skill-group h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-3);
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}
.capsules { display: flex; flex-wrap: wrap; gap: 10px; }
.capsule {
  font-size: 14px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  transition: border-color .15s, background .15s, color .15s;
}
.capsule:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

/* =========================================================
 * 联系我
 * ========================================================= */
.contact-wrap {
  max-width: 520px;
  margin: 24px auto;
  text-align: center;
}
.contact-wrap .contact-lead { font-size: 15px; color: var(--ink-2); margin-bottom: 28px; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 22px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--bg);
  transition: border-color .15s, transform .12s, background .15s;
}
.contact-card--wide { grid-column: 1 / -1; }
.contact-card:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }
.contact-card .c-icon { font-size: 24px; }
.contact-card .c-label { font-size: 14.5px; font-weight: 600; }
.contact-card .c-sub { font-size: 12px; color: var(--ink-3); }

/* =========================================================
 * Footer / Toast
 * ========================================================= */
.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--ink-3);
  padding: 20px 0 4px;
  letter-spacing: .5px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 44px;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: #fff;
  font-size: 13.5px;
  padding: 10px 22px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 99;
  box-shadow: 0 8px 24px rgba(23,24,28,.25);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* =========================================================
 * 响应式
 * ========================================================= */
/* Tablet */
@media (max-width: 960px) {
  .page { padding: 28px 20px 20px; }
  .profile-card { grid-template-columns: auto 1fr; }
  .profile-actions {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .case-detail { grid-template-columns: 1fr; }
  .phone-col { order: -1; }
  .cases-layout { grid-template-columns: 170px 1fr; }
}

/* Mobile */
@media (max-width: 768px) {
  .page { padding: 20px 14px 16px; }
  .section-head { margin-bottom: 14px; }
  .profile-card { padding: 22px 20px; gap: 16px; }
  .profile-avatar { width: 120px; height: 160px; border-radius: 16px; font-size: 26px; }
  .profile-name { font-size: 21px; }
  .profile-title { white-space: nowrap; font-size: 13.5px; }
  .profile-tagline { font-size: 13px; }
  .tab-bar { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .content-area { padding: 22px 18px; }

  /* 桌面左右布局在移动端不渲染；以下为 Accordion 专属样式 */
  .cases-layout { display: none; }

  .case-hint {
    font-size: 13.5px;
    font-weight: 400;
    color: var(--ink-3);
    letter-spacing: .3px;
    margin: 0 0 12px;
    line-height: 1.5;
  }

  .m-group { margin-bottom: 24px; }
  .m-group:last-child { margin-bottom: 0; }
  .m-group-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .m-case { margin-bottom: 10px; }
  .m-case:last-child { margin-bottom: 0; }
  .m-case-head {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
    padding: 13px 14px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
    cursor: pointer;
    transition: background .15s, border-color .15s;
  }
  .m-case-head:hover { background: var(--bg); }
  .m-case-main { display: flex; flex-direction: column; flex: 1; min-width: 0; }
  .m-case-head .b-name { font-size: 15px; font-weight: 600; color: var(--accent); line-height: 1.3; }
  .m-case-head .b-cat { font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
  .m-case-head.active { background: var(--accent-soft); border-color: rgba(200,85,44,.3); }
  .m-case-head.active .b-name { color: var(--accent); }
  .m-chevron {
    flex-shrink: 0;
    margin-left: 8px;
    font-size: 13px;
    color: var(--ink-3);
    transition: transform .2s;
  }

  .m-detail {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin: 8px 0 28px;
    padding-left: 12px;
    border-left: 2px solid var(--accent-soft);
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity .25s ease, transform .25s ease;
    animation: none;
  }
  .m-detail.show { opacity: 1; transform: none; }
  .m-detail .case-info { order: 1; }
  .m-detail .phone-col { order: 2; }
  .m-detail .case-hint-inline { margin-top: 4px; }

  /* 活动策划项目详情：手机端单列纵向（项目介绍→传播规划→传播物料→活动现场） */
  .case-detail.event-detail { grid-template-columns: 1fr; gap: 18px; align-items: stretch; }
  .event-intro, .event-plan, .event-bottom, .event-materials, .event-site { grid-column: 1 / -1; }
  .event-bottom { grid-template-columns: 1fr; gap: 18px; }
  .ev-row { grid-template-columns: 1fr; gap: 12px; }

  /* 多平台矩阵案例（武志红）：手机端改为 flex 纵向单列、居中、模型放大 */
  /* 关键：.matrix-row 必须显式 width:100%，否则在「列向 flex 容器内再套列向 flex 子项」时
     宽度回退为内容宽度（塌缩到 ~88px），导致 .matrix-cell(width:100%) 与
     .matrix-phone(width:76%) 的百分比全部基于塌缩宽度计算，手机被算成极小。 */
  .matrix-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    width: 100%;
  }
  .matrix-cell {
    width: 100%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .m-detail .matrix-row .matrix-phone {
    width: 76%;
    max-width: 300px;
    min-width: 240px;
    height: auto;
    aspect-ratio: 258 / 528;
    margin: 0 auto;
    border-radius: 32px;
  }
  .m-detail .matrix-row .matrix-phone::before { width: 64px; height: 15px; }
  .matrix-tag { font-size: 14px; padding: 9px 22px; }

  /* 移动端手机 Mockup：宽度响应式，高度按 258:528 比例随宽度同步缩放 */
  .m-detail .phone-mockup {
    width: 80%;
    max-width: 258px;
    height: auto;
    aspect-ratio: 258 / 528;
    margin: 0 auto;
  }
  /* 屏幕改为绝对定位于外框内、固定四边边界（10px = 原 padding），
     不再依赖 height:100% 的百分比高度传递链，保证 cover 裁切稳定生效 */
  .m-detail .phone-screen {
    position: absolute;
    top: 10px;
    right: 10px;
    bottom: 10px;
    left: 10px;
    width: auto;
    height: auto;
  }
  .m-detail .thumb-strip { max-width: 100%; }

  /* 和兴白花油：成本框与信息图在手机端单列堆叠 */
  .cost-row-wrap { grid-template-columns: 1fr; }
  .info-graphic { grid-template-columns: 1fr; }

  .exp-period { margin-left: 0; width: 100%; }
  .contact-grid { grid-template-columns: 1fr; }
}