:root {
  --bg: #fbfbfc;
  --surface: #ffffff;
  --border: #ececf0;
  --border-strong: #dcdce4;
  --text: #16161a;
  --muted: #6b6b76;
  --faint: #9a9aa6;
  --accent: #4f46e5;
  --accent-soft: #eef0ff;
  --accent-2: #db2777;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(22, 22, 26, .06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  /* 注意：这里不能用 background-attachment: fixed —— 移动端（微信/QQ/UC 内置浏览器、
     iOS Safari）滚动时没法把它交给合成器，只能每帧软件重绘，跟不上就会露出白底，
     表现就是「手机上滚动闪白块，电脑上正常」。改成普通背景即可。 */
  background: linear-gradient(180deg, #f5f6fb 0%, #fbfbfc 340px);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- 顶部个人名片：头像左 + 简介右 ---------- */
.hero {
  padding: 64px 24px 44px;
  background:
    radial-gradient(720px 300px at 12% -20%, rgba(79, 70, 229, .10), transparent 65%),
    radial-gradient(600px 260px at 88% -30%, rgba(219, 39, 119, .08), transparent 60%),
    var(--surface);
  border-bottom: 1px solid var(--border);
  animation: fadeUp .6s ease both;
}

.hero-inner {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 26px;
  text-align: left;
}

.avatar {
  width: 88px;
  height: 88px;
  margin: 0;
  flex: 0 0 88px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 30px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent-soft), 0 10px 26px rgba(79, 70, 229, .18);
}

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

.hero-info { min-width: 0; }

.hero h1 {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.tagline {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.tagline span { display: block; }

.tagline-main {
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -.01em;
}

.tagline-sub { margin-top: 3px; font-size: 13.5px; }

.contacts {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* ---------- 模块分区 ---------- */
.section { margin-bottom: 44px; }

.section-head { margin-bottom: 18px; }

.section-head h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-head h2::before {
  content: '';
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: var(--accent);
}

.section-head .section-desc {
  margin: 6px 0 0 14px;
  font-size: 13px;
  color: var(--muted);
}

.section-head .section-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface-2, #f4f4f6);
  border-radius: 999px;
  padding: 2px 10px;
}

.contacts a,
.contacts .copy-btn {
  font-family: inherit;
  font-size: 13px;
  color: var(--muted);
  background: transparent;
  padding: 5px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
}

.contacts a:hover,
.contacts .copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.contacts .copy-btn.done {
  color: #0f766e;
  border-color: #0f766e;
  background: #e6f5f0;
}

/* ---------- 工具条 ---------- */
main { max-width: 880px; margin: 0 auto; padding: 32px 24px 56px; }

.toolbar { margin-bottom: 24px; }

.search-wrap { position: relative; }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  fill: none;
  stroke: var(--faint);
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: none;
}

#search {
  width: 100%;
  padding: 12px 16px 12px 40px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

#search::placeholder { color: var(--faint); }

#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.filters {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filters button {
  font-family: inherit;
  font-size: 13px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease;
}

.filters button:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-1px); }

.filters button.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

/* ---------- 站点卡片 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  animation: cardIn .45s cubic-bezier(.22, .8, .3, 1) both;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 34px rgba(22, 22, 26, .10);
  border-color: transparent;
}

.card-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-icon {
  position: relative;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--accent);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 4px 12px rgba(22, 22, 26, .12);
  transition: transform .25s cubic-bezier(.22, .8, .3, 1);
}

.card-icon img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: fade .35s ease forwards;
}

.card-fallback { position: relative; }

.card-meta { flex: 1; min-width: 0; }

.card:hover .card-icon { transform: scale(1.08) rotate(-3deg); }

.card-name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.card-host {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-desc {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 2px 8px;
}

.empty {
  text-align: center;
  color: var(--faint);
  font-size: 14px;
  padding: 40px 0;
}

/* ---------- 页脚 ---------- */
footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 24px 40px;
  text-align: center;
}

footer p { margin: 0; font-size: 13px; color: var(--faint); }

.stats { margin-bottom: 6px; }

.stats b { color: var(--muted); font-weight: 600; }

.stats .sep { margin: 0 8px; color: var(--border-strong); }

.copyright a { color: var(--muted); }

.copyright a:hover { color: var(--accent); }

/* ---------- 内容页（关于我 / 404） ---------- */
.page { max-width: 720px; margin: 0 auto; padding: 40px 24px 56px; }

.block { margin-bottom: 34px; animation: fadeUp .5s ease both; }

.block h2 { margin: 0 0 12px; font-size: 15px; font-weight: 600; }

.prose { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.75; }

.prose a { color: var(--accent); }

.prose b { color: var(--text); font-weight: 600; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.skill-tag {
  font-size: 13px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 12px;
  transition: color .18s ease, border-color .18s ease, transform .18s ease;
}

.skill-tag:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }

.nav { margin-top: 8px; }

.nav a { color: var(--muted); transition: color .18s ease; }

.nav a:hover { color: var(--accent); }

.nav .current { color: var(--text); }

.notfound { text-align: center; padding: 96px 24px 72px; }

.notfound .code { margin: 0; font-size: 56px; font-weight: 600; color: var(--border-strong); letter-spacing: -.02em; }

.notfound h1 { margin: 6px 0 12px; font-size: 20px; font-weight: 600; }

.actions { margin: 28px 0 0; display: flex; gap: 12px; justify-content: center; }

.btn {
  font-size: 14px;
  color: #fff;
  background: var(--accent);
  border-radius: 10px;
  padding: 9px 18px;
  transition: transform .18s ease, box-shadow .18s ease;
}

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

.btn.ghost {
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border-strong);
}

.btn.ghost:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 后台管理 ---------- */
.admin-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.admin-title { font-size: 15px; font-weight: 600; }

.admin-user { margin-left: auto; font-size: 13px; color: var(--muted); }

.admin-link {
  font-family: inherit;
  font-size: 13px;
  color: var(--muted);
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}

.admin-link:hover { color: var(--accent); }

.admin-main { max-width: 760px; margin: 0 auto; padding: 28px 24px 60px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.panel.sub { margin-top: 16px; background: var(--bg); }

.panel-title { margin: 0 0 14px; font-size: 15px; font-weight: 600; }

.count { color: var(--muted); font-weight: 400; }

.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }

.tab {
  font-family: inherit;
  font-size: 13px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}

.tab.active { color: #fff; background: var(--accent); border-color: var(--accent); }

.form { display: flex; flex-direction: column; gap: 14px; }

.form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }

.form input,
.form select {
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 9px 12px;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.form input:focus,
.form select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.form input[type="color"] { width: 64px; height: 38px; padding: 2px; }

.form input[type="file"] { padding: 7px; font-size: 13px; }

.inline { display: flex; gap: 12px; align-items: flex-end; }

.inline .grow { flex: 1; min-width: 0; }

.btn:disabled { opacity: .5; cursor: not-allowed; }

.hint { margin: 0; font-size: 12px; color: var(--faint); }

.msg {
  margin: 0 0 16px;
  padding: 10px 14px;
  font-size: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.msg.err { color: #a32d2d; background: #fcebeb; border-color: #f7c1c1; }

.msg.ok { color: #0f766e; background: #e6f5f0; border-color: #9fe1cb; }

.admin-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }

.admin-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

.admin-item-main { display: flex; align-items: center; gap: 10px; min-width: 0; }

.dot { width: 10px; height: 10px; flex: 0 0 10px; border-radius: 50%; }

.admin-item-text { min-width: 0; }

.admin-item-name { margin: 0; font-size: 14px; font-weight: 500; }

.admin-item-sub {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-item-ops { display: flex; gap: 6px; flex: 0 0 auto; }

.admin-item-ops button {
  font-family: inherit;
  font-size: 12px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 5px 10px;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}

.admin-item-ops button:hover { color: var(--accent); border-color: var(--accent); }

.admin-item-ops button.danger:hover { color: #a32d2d; border-color: #a32d2d; }

.admin-item-ops button:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- 背景音乐开关 ---------- */
.bgm-toggle {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  width: 46px;
  height: 46px;
  margin: 0;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
}

.bgm-toggle svg { width: 20px; height: 20px; }

.bgm-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.bgm-toggle.on {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.bgm-toggle.on svg { animation: bgmSway 2.6s ease-in-out infinite; }

.bgm-ring {
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0;
  pointer-events: none;
}

.bgm-toggle.on .bgm-ring { animation: bgmPulse 2.2s ease-out infinite; }

/* ---------- 动画 ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes cardIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes fade { to { opacity: 1; } }
@keyframes bgmSway { 0%, 100% { transform: rotate(-8deg); } 50% { transform: rotate(8deg); } }
@keyframes bgmPulse { from { transform: scale(1); opacity: .45; } to { transform: scale(1.55); opacity: 0; } }

/* ---------- 移动端 ---------- */
@media (max-width: 560px) {
  .hero { padding: 40px 20px 28px; }
  .hero-inner { flex-direction: column; align-items: center; text-align: center; gap: 14px; }
  .avatar { width: 76px; height: 76px; flex-basis: 76px; }
  .contacts { justify-content: center; }
  .hero h1 { font-size: 22px; }
  main { padding: 24px 20px 44px; }
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .section { margin-bottom: 34px; }
  .section-head h2 { font-size: 18px; }
  .page { padding: 28px 20px 44px; }
  .notfound { padding: 64px 20px 56px; }
  .admin-bar { padding: 12px 16px; }
  .admin-main { padding: 20px 16px 48px; }
  .panel { padding: 16px; }
  .admin-item { flex-direction: column; align-items: stretch; }
  .admin-item-ops { justify-content: flex-end; }
  .bgm-toggle { right: 14px; bottom: 14px; width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   顶部光效层：星空（底层）+ 粒子（上层）
   脚本在 lizi/stars.js 与 lizi/particles.js
   ============================================================ */
/* 移动端滚动时英雄区也容易闪白：单独提升成合成层，让浏览器一直保留栅格化结果 */
.hero {
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  contain: paint;
}

/* canvas 是「替换元素」，必须显式给 100% 宽高，否则会退回默认 300x150 */
canvas.hero-stars,
canvas.hero-fx {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; display: block;
  transform: translateZ(0);          /* 两层各自合成，避免滚动时被反复重绘 */
}
canvas.hero-stars { z-index: 1; }   /* 星空层（底层） */
canvas.hero-fx    { z-index: 2; }   /* 粒子层（上层） */
.hero-inner       { position: relative; z-index: 3; }

/* ---------- 联系方式按钮：加底色更突出 ---------- */
.hero .contacts a,
.hero .contacts .copy-btn {
  color: #fff;
  font-weight: 600;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(79, 70, 229, .28);
}

.hero .contacts a:hover,
.hero .contacts .copy-btn:hover {
  color: #fff;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 9px 22px rgba(79, 70, 229, .38);
}

/* ---------- 夜空底（.hero.night）：星空效果最好的底 ----------
 * 不想要深色头部的话，把 index.html 里 <header class="hero night">
 * 的 night 去掉即可，正文样式完全不受影响。
 */
.hero.night {
  background:
    radial-gradient(120% 140% at 12% -15%, rgba(29, 78, 216, .42), transparent 62%),
    radial-gradient(100% 120% at 88% -25%, rgba(56, 189, 248, .18), transparent 64%),
    radial-gradient(120% 170% at 55% 125%, rgba(12, 74, 175, .34), transparent 66%),
    linear-gradient(180deg, #01040f 0%, #04102c 50%, #071a45 100%);
  border-bottom-color: rgba(255, 255, 255, .12);
}

/* 底色变浅后，文字加重 + 轻微光晕，保证读得清 */
.hero.night h1 {
  color: #ffffff;
  font-weight: 800;
  text-shadow: 0 2px 16px rgba(0, 0, 0, .50), 0 0 26px rgba(165, 180, 252, .30);
}

.hero.night .tagline {
  color: rgba(231, 235, 255, .88);
  text-shadow: 0 1px 10px rgba(0, 0, 0, .38);
}

.hero.night .tagline-main {
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .45);
}

.hero.night .avatar {
  border-color: rgba(255, 255, 255, .9);
  box-shadow: 0 0 0 2px rgba(129, 140, 248, .40), 0 14px 34px rgba(0, 0, 0, .50);
}

.hero.night .contacts a,
.hero.night .contacts .copy-btn {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  border-color: rgba(255, 255, 255, .28);
  color: #fff;
  box-shadow: 0 6px 20px rgba(99, 102, 241, .45);
}

/* ============================================================
   案例区上下的宣传块（数据条 / 电竞案例 / 能做什么 / 结尾引导）
   内容来自 data.js 的 home 段
   ============================================================ */
.promo-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 4px 0 26px;
}

.promo-stat {
  padding: 16px 10px;
  border-radius: var(--radius);
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.promo-stat b {
  display: block;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.promo-stat span { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted); }

.promo-services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.promo-service {
  padding: 16px 16px 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.promo-service i { display: block; font-style: normal; font-size: 22px; margin-bottom: 6px; }
.promo-service b { display: block; font-size: 15px; margin-bottom: 4px; }
.promo-service span { font-size: 13px; line-height: 1.7; color: var(--muted); }

.promo-cases {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.promo-case {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .2s ease;
}

.promo-case:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(22, 22, 26, .10); }

.promo-case img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
  object-position: top center;
  border-bottom: 1px solid var(--border);
}

.promo-case figcaption {
  padding: 12px 14px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.promo-case figcaption b { display: block; margin-bottom: 3px; font-size: 14px; color: var(--text); }

.promo-cta {
  margin-top: 30px;
  padding: 26px 22px;
  border-radius: 18px;
  text-align: center;
  background: linear-gradient(135deg, #eef1ff, #f6f0ff);
  border: 1px solid rgba(79, 70, 229, .16);
}

.promo-cta h3 { margin: 0 0 8px; font-size: 19px; }
.promo-cta p { margin: 0 0 16px; font-size: 13.5px; line-height: 1.8; color: var(--muted); }

.promo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 16px;
}

.promo-chips span {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: #3f3fb0;
  background: rgba(79, 70, 229, .10);
  border: 1px solid rgba(79, 70, 229, .16);
}

.promo-cta .contacts { justify-content: center; }

@media (max-width: 560px) {
  .promo-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 22px; }
  .promo-services { grid-template-columns: 1fr; }
  .promo-cases { grid-template-columns: 1fr; }
  .promo-case img { height: 168px; }
  .promo-cta { padding: 22px 16px; }
}

/* ---------- 项目案例展示：通栏 + 横向滑动 ----------
 * 手机一次露 2 款、桌面（>1200px）一次露 6 款，其余左右滑动查看
 */
body { overflow-x: hidden; }

.cases-band {
  width: 100vw;
  max-width: 1350px;
  margin-left: calc(50% - min(50vw, 675px));
  margin-right: 0;
  padding: 22px 0 26px;
  background: linear-gradient(180deg, rgba(79, 70, 229, .05), rgba(79, 70, 229, .02));
  border-top: 1px solid rgba(79, 70, 229, .10);
  border-bottom: 1px solid rgba(79, 70, 229, .10);
}

.band-inner { padding: 0 24px; }

.carousel-wrap { position: relative; }

.carousel {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 4px 2px 14px;
  scrollbar-width: thin;
}

.carousel::-webkit-scrollbar { height: 6px; }
.carousel::-webkit-scrollbar-thumb { background: rgba(79, 70, 229, .22); border-radius: 3px; }
.carousel::-webkit-scrollbar-track { background: transparent; }

.carousel .card {
  flex: 0 0 200px;
  width: 200px;
  scroll-snap-align: start;
  padding: 15px;
}

.carousel .card .card-icon { width: 34px; height: 34px; flex: 0 0 34px; }
.carousel .card .card-name { font-size: 14.5px; }
.carousel .card .card-desc { font-size: 12px; line-height: 1.6; }

.car-nav {
  position: absolute;
  top: 42%;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .96);
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  box-shadow: 0 6px 18px rgba(22, 22, 26, .14);
  transition: transform .15s ease, opacity .2s ease;
}

.car-nav:hover { transform: scale(1.06); }
.car-nav[hidden] { display: none; }
.car-nav.prev { left: -12px; }
.car-nav.next { right: -12px; }

/* ---------- 更多定制方向：带底色的小图标块 ---------- */
.promo-service i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 10px;
  border-radius: 12px;
  font-size: 22px;
}

.promo-service i.tint-blue   { background: #e7edff; }
.promo-service i.tint-orange { background: #ffeee2; }
.promo-service i.tint-green  { background: #e4f7ec; }
.promo-service i.tint-purple { background: #f1e9ff; }

@media (max-width: 720px) {
  .car-nav { display: none; }
  .cases-band { padding: 18px 0 22px; }
  .band-inner { padding: 0 16px; }
}