/* ==========================================================
   中国DJ培训网 — 全站样式
   暗色 + 霓虹紫/青/金，DJ 夜店质感
   ========================================================== */

:root {
  --bg: #08060f;
  --bg-2: #0f0b1e;
  --bg-3: #16112b;
  --card: #141024;
  --card-2: #1c1636;
  --line: #2a2246;
  --line-2: #3a2f5e;

  --tx: #f2efff;
  --tx-2: #b8b0d4;
  --tx-3: #7e7599;

  --pri: #8b5cf6;
  --pri-2: #a78bfa;
  --pri-dim: #6d28d9;
  --cyan: #22d3ee;
  --gold: #f0b429;
  --ok: #34d399;
  --warn: #fb923c;
  --danger: #f87171;

  --r-s: 8px;
  --r: 14px;
  --r-l: 22px;

  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
  --glow-pri: 0 0 40px rgba(139, 92, 246, .35);
  --glow-cyan: 0 0 30px rgba(34, 211, 238, .25);

  --wrap: 1200px;
  --head-h: 68px;

  --f: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--f);
  background: var(--bg);
  color: var(--tx);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  /* 全局背景光晕 */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 500px at 15% -8%, rgba(139, 92, 246, .22), transparent 60%),
    radial-gradient(800px 480px at 88% 8%, rgba(34, 211, 238, .14), transparent 62%),
    radial-gradient(700px 500px at 50% 100%, rgba(240, 180, 41, .07), transparent 60%);
}

body::after {
  /* 网格纹理 */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .32;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(139, 92, 246, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 92, 246, .05) 1px, transparent 1px);
  background-size: 56px 56px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: min(var(--wrap), calc(100% - 40px)); margin-inline: auto; }

/* ── 顶部导航 ───────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--head-h);
  display: flex;
  align-items: center;
  background: rgba(8, 6, 15, .86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.topbar .wrap { display: flex; align-items: center; gap: 28px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--pri), var(--cyan));
  display: grid; place-items: center;
  font-weight: 900; font-size: 15px; color: #fff;
  box-shadow: var(--glow-pri);
  letter-spacing: -.5px;
}

.logo-txt b { display: block; font-size: 15px; letter-spacing: .3px; line-height: 1.2; }
.logo-txt span { display: block; font-size: 10px; color: var(--tx-3); letter-spacing: 2.5px; text-transform: uppercase; }

.nav { display: flex; gap: 4px; margin-left: auto; }

.nav a {
  padding: 8px 13px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--tx-2);
  transition: .18s;
  white-space: nowrap;
}

.nav a:hover { color: var(--tx); background: rgba(139, 92, 246, .14); }
.nav a.on { color: #fff; background: rgba(139, 92, 246, .26); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: .2s;
  white-space: nowrap;
  font-family: inherit;
}

.btn-pri {
  background: linear-gradient(135deg, var(--pri), var(--pri-dim));
  color: #fff;
  box-shadow: 0 8px 24px rgba(109, 40, 217, .4);
}
.btn-pri:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(109, 40, 217, .55); }

.btn-line { border-color: var(--line-2); color: var(--tx); background: rgba(255,255,255,.03); }
.btn-line:hover { border-color: var(--pri); background: rgba(139, 92, 246, .14); }

.btn-gold { background: linear-gradient(135deg, #f0b429, #d97706); color: #231700; font-weight: 700; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(240, 180, 41, .35); }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-block { width: 100%; }

/* ── 移动端菜单 ────────────────────────────────────── */
.burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  margin-left: auto;
  position: relative;
}
.burger::before, .burger::after, .burger i {
  content: ""; position: absolute; left: 11px;
  width: 18px; height: 2px; background: var(--tx); border-radius: 2px;
  transition: .25s;
}
.burger::before { top: 13px; }
.burger i { top: 19px; }
.burger::after { top: 25px; }
.burger.on::before { transform: rotate(45deg) translate(5px, 5px); }
.burger.on::after { transform: rotate(-45deg) translate(5px, -5px); }
.burger.on i { opacity: 0; }

/* ── Hero ──────────────────────────────────────────── */
.hero { position: relative; padding: 96px 0 80px; overflow: hidden; }

.hero::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
}

.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 15px;
  border-radius: 999px;
  background: rgba(139, 92, 246, .14);
  border: 1px solid rgba(139, 92, 246, .34);
  color: var(--pri-2);
  font-size: 13px;
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.15; margin: 0 0 18px; letter-spacing: -1px; font-weight: 800; }
h1 .hl {
  background: linear-gradient(100deg, var(--pri-2), var(--cyan) 55%, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h1 .region { color: var(--gold); }

.hero-desc { font-size: 17px; color: var(--tx-2); margin: 0 0 30px; max-width: 560px; }

.hero-cta { display: flex; gap: 13px; flex-wrap: wrap; margin-bottom: 26px; }

.hero-stats { display: flex; gap: 34px; flex-wrap: wrap; }
.hero-stats .s b { display: block; font-size: 30px; font-weight: 800; color: var(--tx); line-height: 1.1; letter-spacing: -.5px; }
.hero-stats .s b i { font-style: normal; font-size: 15px; color: var(--gold); }
.hero-stats .s span { font-size: 13px; color: var(--tx-3); }

/* Hero 右侧卡片 */
.hero-card {
  position: relative;
  border-radius: var(--r-l);
  background: linear-gradient(160deg, var(--card-2), var(--card));
  border: 1px solid var(--line-2);
  padding: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-card::before {
  content: ""; position: absolute; inset: -1px;
  background: linear-gradient(135deg, rgba(139,92,246,.5), transparent 40%, rgba(34,211,238,.35));
  z-index: -1; filter: blur(28px); opacity: .55;
}
.hero-card h3 { margin: 0 0 4px; font-size: 19px; }
.hero-card .loc { color: var(--tx-3); font-size: 13px; margin-bottom: 22px; display: flex; align-items: center; gap: 7px; }

.mini-list { display: grid; gap: 11px; }
.mini {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 15px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid var(--line);
  transition: .2s;
}
.mini:hover { border-color: var(--pri); transform: translateX(4px); }
.mini .n { width: 26px; height: 26px; border-radius: 7px; flex-shrink: 0; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: rgba(139,92,246,.2); color: var(--pri-2); }
.mini .t b { display: block; font-size: 14px; }
.mini .t span { font-size: 12px; color: var(--tx-3); }

/* ── 通用区块 ──────────────────────────────────────── */
.sec { padding: 92px 0; }
.sec.soft { background: rgba(255, 255, 255, .014); }
.sec.alt { background: linear-gradient(180deg, transparent, rgba(139,92,246,.05), transparent); }

.sec-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.sec-head .kicker {
  display: inline-block;
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 12px; font-weight: 700;
}
.sec-head h2 { font-size: clamp(26px, 3.6vw, 40px); margin: 0 0 14px; letter-spacing: -.6px; font-weight: 800; }
.sec-head p { color: var(--tx-2); margin: 0; font-size: 16px; }

.g2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── 卡片 ──────────────────────────────────────────── */
.card {
  background: linear-gradient(165deg, var(--card-2), var(--card));
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 28px;
  transition: .25s;
  position: relative;
  overflow: hidden;
}
.card:hover { border-color: var(--line-2); transform: translateY(-5px); box-shadow: var(--shadow); }

.card-icon {
  width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center;
  background: rgba(139, 92, 246, .16);
  border: 1px solid rgba(139, 92, 246, .3);
  font-size: 21px; margin-bottom: 16px;
}
.card h3 { margin: 0 0 9px; font-size: 18px; }
.card p { margin: 0; color: var(--tx-2); font-size: 14.5px; }

/* ── 课程卡 ────────────────────────────────────────── */
.course {
  background: linear-gradient(165deg, var(--card-2), var(--card));
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  padding: 30px;
  display: flex; flex-direction: column;
  transition: .25s;
  position: relative;
}
.course:hover { transform: translateY(-6px); border-color: var(--pri); box-shadow: var(--shadow), var(--glow-pri); }

.course-tag {
  position: absolute; top: -11px; left: 28px;
  padding: 4px 14px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700;
  background: linear-gradient(135deg, var(--pri), var(--pri-dim));
  color: #fff;
}
.course h3 { margin: 10px 0 8px; font-size: 21px; }
.course .for { color: var(--tx-3); font-size: 13.5px; margin: 0 0 18px; }

.course-meta { display: grid; gap: 8px; margin-bottom: 18px; }
.course-meta div { display: flex; gap: 9px; font-size: 13.5px; color: var(--tx-2); }
.course-meta .ic { color: var(--cyan); flex-shrink: 0; }

.price { display: flex; align-items: baseline; gap: 10px; margin-top: auto; padding-top: 18px; border-top: 1px dashed var(--line-2); }
.price .cur { color: var(--tx-3); font-size: 14px; }
.price .now { font-size: 30px; font-weight: 800; color: var(--gold); letter-spacing: -1px; }
.price .now small { font-size: 14px; font-weight: 600; }
.price .old { color: var(--tx-3); text-decoration: line-through; font-size: 14px; margin-left: auto; }

.outcome { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 7px; }
.outcome li { font-size: 13.5px; color: var(--tx-2); padding-left: 22px; position: relative; }
.outcome li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }

/* ── 表格 ──────────────────────────────────────────── */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
table.data th, table.data td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
table.data th { background: rgba(139, 92, 246, .12); font-weight: 700; color: var(--pri-2); font-size: 13px; white-space: nowrap; }
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: rgba(139, 92, 246, .05); }

/* ── 步骤 ──────────────────────────────────────────── */
.steps { counter-reset: s; display: grid; gap: 20px; }
.step {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 24px;
  border-radius: var(--r);
  background: rgba(255, 255, 255, .028);
  border: 1px solid var(--line);
}
.step::before {
  counter-increment: s;
  content: counter(s, decimal-leading-zero);
  font-size: 26px; font-weight: 800;
  background: linear-gradient(135deg, var(--pri), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  flex-shrink: 0; line-height: 1.2;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--tx-2); font-size: 14px; }

/* ── FAQ ───────────────────────────────────────────── */
.faq { display: grid; gap: 12px; max-width: 820px; margin-inline: auto; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .026);
  overflow: hidden;
  transition: .2s;
}
.faq details[open] { border-color: var(--pri); background: rgba(139, 92, 246, .06); }
.faq summary {
  padding: 17px 22px; cursor: pointer; font-weight: 600; font-size: 15.5px;
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--pri-2); font-size: 21px; transition: .25s; flex-shrink: 0; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .a { padding: 0 22px 20px; color: var(--tx-2); font-size: 14.5px; }

/* ── 表单 ──────────────────────────────────────────── */
.panel {
  background: linear-gradient(165deg, var(--card-2), var(--card));
  border: 1px solid var(--line-2);
  border-radius: var(--r-l);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 13.5px; color: var(--tx-2); font-weight: 600; }
.field label .req { color: var(--danger); }

.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 11px;
  border: 1px solid var(--line-2);
  background: rgba(8, 6, 15, .65);
  color: var(--tx);
  font-size: 14.5px;
  font-family: inherit;
  transition: .18s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--pri);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, .18);
}
.field textarea { resize: vertical; min-height: 88px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--tx-3) 50%), linear-gradient(135deg, var(--tx-3) 50%, transparent 50%); background-position: calc(100% - 19px) 21px, calc(100% - 14px) 21px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }

.form-ok {
  display: none;
  padding: 16px 20px;
  border-radius: 12px;
  background: rgba(52, 211, 153, .12);
  border: 1px solid rgba(52, 211, 153, .4);
  color: var(--ok);
  font-size: 14.5px;
}
.form-ok.on { display: block; }

.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: var(--tx-3); }
.consent input { margin-top: 4px; flex-shrink: 0; }

/* ── 作品卡 ────────────────────────────────────────── */
.work {
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: .25s;
}
.work:hover { transform: translateY(-5px); border-color: var(--pri); }
.work .ph { aspect-ratio: 16/10; position: relative; display: grid; place-items: center; }
.work .ph::after { content: "▶"; font-size: 30px; color: rgba(255,255,255,.9); text-shadow: 0 2px 14px rgba(0,0,0,.5); }
.work .cap { padding: 14px 18px; font-size: 14px; background: rgba(255,255,255,.03); }
.work .cap span { display: block; font-size: 11.5px; color: var(--pri-2); margin-bottom: 3px; }

/* ── 地区选择器 ────────────────────────────────────── */
.picker { max-width: 940px; margin-inline: auto; }
.picker-bar { display: flex; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.picker-bar select, .picker-bar input {
  flex: 1; min-width: 190px;
  padding: 12px 15px;
  border-radius: 11px;
  border: 1px solid var(--line-2);
  background: rgba(8, 6, 15, .65);
  color: var(--tx);
  font-size: 14.5px;
  font-family: inherit;
}
.picker-bar select:focus, .picker-bar input:focus { outline: none; border-color: var(--pri); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
  font-size: 13.5px; color: var(--tx-2);
  transition: .18s;
}
.chip:hover { border-color: var(--pri); color: var(--tx); background: rgba(139, 92, 246, .14); }

.prov-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 34px; }
.prov-box {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, .026);
  transition: .22s;
}
.prov-box:hover { border-color: var(--pri); background: rgba(139, 92, 246, .09); }
.prov-box b { display: block; font-size: 16px; margin-bottom: 9px; }
.prov-box .lnks { display: flex; flex-wrap: wrap; gap: 6px; }
.prov-box .lnks a { font-size: 12.5px; color: var(--tx-3); padding: 3px 8px; border-radius: 6px; transition: .15s; }
.prov-box .lnks a:hover { color: var(--pri-2); background: rgba(139, 92, 246, .16); }

/* ── 页脚 ──────────────────────────────────────────── */
.foot { border-top: 1px solid var(--line); background: rgba(8, 6, 15, .6); padding: 56px 0 26px; margin-top: 40px; }
.foot-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.foot h4 { font-size: 14.5px; margin: 0 0 15px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.foot ul a { font-size: 13.5px; color: var(--tx-3); transition: .15s; }
.foot ul a:hover { color: var(--pri-2); }
.foot-about p { font-size: 13.5px; color: var(--tx-3); margin: 14px 0 18px; max-width: 320px; }
.foot-contact li { font-size: 13.5px; color: var(--tx-2); }
.foot-contact li a { color: var(--tx-2); transition: .15s; }
.foot-contact li a:hover { color: var(--pri-2); }
.foot-contact .hot { font-size: 21px; font-weight: 800; color: var(--gold); letter-spacing: .5px; }

.foot-bot { border-top: 1px solid var(--line); padding-top: 22px; text-align: center; font-size: 12.5px; color: var(--tx-3); }
.foot-bot .links { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 11px; }
.foot-bot .links a:hover { color: var(--pri-2); }

/* ── 悬浮联系条 ────────────────────────────────────── */
.dock {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  display: grid; gap: 11px;
}
.dock a {
  width: 50px; height: 50px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 19px;
  background: var(--card-2);
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
  transition: .2s;
  position: relative;
}
.dock a:hover { transform: translateY(-3px); border-color: var(--pri); }
.dock .tip {
  position: absolute; right: 60px; top: 50%; transform: translateY(-50%);
  white-space: nowrap; background: var(--bg-3); border: 1px solid var(--line-2);
  padding: 7px 13px; border-radius: 8px; font-size: 12.5px; color: var(--tx-2);
  opacity: 0; pointer-events: none; transition: .2s;
}
.dock a:hover .tip { opacity: 1; }

/* ── 侧边浮动报名条 ─────────────────────────────────── */
.side-form {
  background: linear-gradient(165deg, var(--card-2), var(--card));
  border: 1px solid var(--line-2);
  border-radius: var(--r-l);
  padding: 30px;
  box-shadow: var(--shadow);
  position: sticky;
  top: calc(var(--head-h) + 20px);
}

/* ── 提示条 ────────────────────────────────────────── */
.notice {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 20px;
  border-radius: 12px;
  background: rgba(240, 180, 41, .08);
  border: 1px solid rgba(240, 180, 41, .3);
  font-size: 13.5px; color: #f5d78e;
  margin-bottom: 26px;
}
.notice b { color: var(--gold); }

.breadcrumb { font-size: 13px; color: var(--tx-3); margin-bottom: 20px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.breadcrumb a:hover { color: var(--pri-2); }
.breadcrumb .sep { color: var(--line-2); }

/* ── 徽章 ──────────────────────────────────────────── */
.badge { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.badge-ok { background: rgba(52,211,153,.14); color: var(--ok); border: 1px solid rgba(52,211,153,.32); }
.badge-pri { background: rgba(139,92,246,.16); color: var(--pri-2); border: 1px solid rgba(139,92,246,.34); }
.badge-gold { background: rgba(240,180,41,.14); color: var(--gold); border: 1px solid rgba(240,180,41,.34); }

/* ── 响应式 ────────────────────────────────────────── */
@media (max-width: 1000px) {
  .hero-in { grid-template-columns: 1fr; gap: 44px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .prov-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .g3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav {
    position: fixed; inset: var(--head-h) 0 auto 0;
    flex-direction: column; gap: 2px;
    background: rgba(8, 6, 15, .985);
    backdrop-filter: blur(20px);
    padding: 14px;
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden;
    transition: max-height .3s ease;
  }
  .nav.on { max-height: 76vh; overflow-y: auto; }
  .nav a { padding: 13px 16px; }
  .burger { display: block; }
  .topbar .wrap > .btn { display: none; }

  .sec { padding: 62px 0; }
  .hero { padding: 58px 0 52px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .prov-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
  .hero-stats .s b { font-size: 24px; }
  .panel, .course, .hero-card { padding: 24px 20px; }
  .dock { right: 12px; bottom: 12px; }
  .dock a { width: 44px; height: 44px; font-size: 17px; }
}

/* 打印：报名页常被打印带去线下 */
@media print {
  body::before, body::after { display: none; }
  .topbar, .dock, .btn { display: none !important; }
  body { background: #fff; color: #000; }
}