/* =========================================================
   云南采庆职业技能培训学校 官网样式
   设计：采庆红主色(品牌/权威) + 暖金辅色(活力/行动)
   响应式：桌面 / 平板 / 手机 三端适配
   ========================================================= */

:root {
  --primary: #8B1A1A;
  --primary-dark: #6B1212;
  --primary-light: #FDF2F2;
  --accent: #D4A017;
  --accent-dark: #B8860B;
  --ink: #1F2A37;
  --muted: #5B6B7B;
  --line: #E8E0E0;
  --bg: #FFFFFF;
  --bg-soft: #FBF7F7;
  --bg-deep: #3A0C0C;
  --success: #1FA971;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(139, 26, 26, .06);
  --shadow-md: 0 10px 30px rgba(139, 26, 26, .10);
  --shadow-lg: 0 20px 50px rgba(139, 26, 26, .16);
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", Roboto, system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600;
  font-size: 15px; cursor: pointer; border: none; transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(242,153,74,.35); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-light { background: rgba(255,255,255,.14); color:#fff; border:1.5px solid rgba(255,255,255,.5); }
.btn-light:hover { background: rgba(255,255,255,.24); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--primary-dark); }
.brand-logo {
  height: 42px; width: auto;
  object-fit: contain;
  transition: opacity .2s ease;
}
.brand:hover .brand-logo { opacity: .85; }

/* ---- Footer Logo ---- */
.footer-logo {
  height: 56px; width: auto;
  margin-bottom: 12px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: .92;
}

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 14px; border-radius: 8px; font-size: 15px; color: var(--ink);
  font-weight: 500; transition: all .2s ease;
}
.nav-links a:hover { color: var(--primary); background: var(--primary-light); }
.nav-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; margin-top: 72px; padding: 90px 0 70px;
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(27,143,179,.25), transparent 60%),
    linear-gradient(135deg, var(--bg-deep) 0%, #6B1212 55%, #8B1A1A 100%);
  color: #fff; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 26px 26px; opacity: .5; pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px; font-size: 13px; letter-spacing: .5px; margin-bottom: 22px;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: clamp(30px, 4.4vw, 50px); line-height: 1.2; font-weight: 800; letter-spacing: -.5px; }
.hero h1 .hl { color: #FFC99A; }
.hero p.lead { margin: 20px 0 32px; font-size: 17px; color: rgba(255,255,255,.85); max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 30px; margin-top: 42px; flex-wrap: wrap; }
.hero-stats .stat .num { font-size: 30px; font-weight: 800; color: #fff; }
.hero-stats .stat .num span { color: var(--accent); }
.hero-stats .stat .lbl { font-size: 13px; color: rgba(255,255,255,.7); }

/* Hero 卡片（右侧报名快捷卡） */
.hero-card {
  background: #fff; color: var(--ink); border-radius: 20px; padding: 28px;
  box-shadow: var(--shadow-lg);
}
.hero-card h3 { font-size: 19px; margin-bottom: 4px; }
.hero-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.hero-card .qitem { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.hero-card .qitem:first-of-type { border-top: none; }
.hero-card .qitem .ico { width: 36px; height: 36px; border-radius: 10px; background: var(--primary-light); color: var(--primary); display: grid; place-items: center; flex: 0 0 auto; }
.hero-card .qitem .t { font-size: 14px; }
.hero-card .qitem .t b { font-size: 15px; }
.hero-card .btn { width: 100%; justify-content: center; margin-top: 18px; }

/* ---------- 通用 section ---------- */
section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-head .eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 2px; font-size: 13px; text-transform: uppercase; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); margin: 10px 0 14px; font-weight: 800; }
.section-head p { color: var(--muted); font-size: 16px; }
.bg-soft { background: var(--bg-soft); }

/* ---------- 关于学校 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-text h2 { font-size: clamp(24px,3vw,34px); font-weight: 800; margin-bottom: 18px; }
.about-text p { color: var(--muted); margin-bottom: 16px; }
.creds { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.creds .chip { background: var(--primary-light); color: var(--primary-dark); padding: 8px 14px; border-radius: 10px; font-size: 13px; font-weight: 600; }
.about-visual {
  position: relative; border-radius: 20px; padding: 36px;
  background: linear-gradient(135deg, var(--primary), #A82828);
  color: #fff; box-shadow: var(--shadow-md);
}
.about-visual h3 { font-size: 22px; margin-bottom: 18px; }
.about-visual ul li { display: flex; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.18); }
.about-visual ul li:first-child { border-top: none; }
.about-visual ul li .k { font-weight: 700; min-width: 86px; }
.about-visual ul li .v { color: rgba(255,255,255,.92); font-size: 14px; }

/* ---------- 培训专业（六大工种） ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.course-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: all .28s ease; position: relative; overflow: hidden;
}
.course-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent)); transform: scaleX(0);
  transform-origin: left; transition: transform .3s ease;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.course-card:hover::before { transform: scaleX(1); }
.course-ico {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: var(--primary-light); color: var(--primary); margin-bottom: 18px;
}
.course-card h3 { font-size: 19px; margin-bottom: 8px; }
.cat { display: inline-block; font-size: 11px; font-weight: 700; color: var(--primary); background: var(--primary-light); padding: 3px 10px; border-radius: 999px; margin-right: 8px; margin-bottom: 10px; }
.course-card.hide { display: none; }

/* 工种分类筛选栏 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 38px; }
.filter-bar button {
  padding: 9px 18px; border: 1.5px solid var(--line); background: #fff; color: var(--muted);
  border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer; transition: .2s; font-family: inherit;
}
.filter-bar button:hover { border-color: var(--primary); color: var(--primary); }
.filter-bar button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.course-card .lv { font-size: 12px; font-weight: 700; color: var(--accent-dark); background: #FDF0E4; padding: 3px 10px; border-radius: 999px; display: inline-block; margin-bottom: 12px; }
.course-card p { color: var(--muted); font-size: 14.5px; }
.course-card .more { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 办学优势 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feat {
  text-align: center; padding: 34px 22px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); transition: .28s;
}
.feat:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.feat .ico { width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 16px; background: linear-gradient(135deg, var(--primary), #A82828); color: #fff; display: grid; place-items: center; }
.feat h3 { font-size: 17px; margin-bottom: 8px; }
.feat p { color: var(--muted); font-size: 14px; }

/* ---------- 师资 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.member { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-align: center; transition: .28s; }
.member:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.member .avatar { height: 180px; background: linear-gradient(135deg, #8B1A1A, #A82828); display: grid; place-items: center; color: #fff; }
.member .avatar svg { width: 72px; height: 72px; opacity: .9; }
.member .info { padding: 20px 18px; }
.member .info h3 { font-size: 17px; }
.member .info .role { color: var(--accent-dark); font-size: 13px; font-weight: 600; margin: 4px 0 8px; }
.member .info p { color: var(--muted); font-size: 13.5px; }

/* ---------- 资讯 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .28s; display: flex; flex-direction: column; }
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-thumb { height: 160px; background: linear-gradient(135deg, #8B1A1A, #A82828); position: relative; display: grid; place-items: center; color: #fff; }
.news-thumb .date { position: absolute; left: 16px; top: 16px; background: rgba(255,255,255,.16); padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 600; }
.news-thumb svg { width: 54px; height: 54px; opacity: .85; }
.news-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-body .tag { font-size: 12px; color: var(--accent-dark); font-weight: 700; }
.news-body h3 { font-size: 17px; margin: 8px 0 10px; line-height: 1.45; }
.news-body p { color: var(--muted); font-size: 14px; flex: 1; }
.news-body .link { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--primary); }

/* ---------- 招生报名 ---------- */
.enroll { background: linear-gradient(135deg, var(--bg-deep), #6B1212); color: #fff; }
.enroll .section-head h2, .enroll .section-head p { color: #fff; }
.enroll .section-head p { color: rgba(255,255,255,.8); }
.enroll-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.enroll-info h3 { font-size: 22px; margin-bottom: 16px; }
.enroll-info ul li { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.9); }
.enroll-info ul li:first-child { border-top: none; }
.enroll-info ul li .ico { color: var(--accent); flex: 0 0 auto; }
.enroll-steps { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.enroll-steps .step { flex: 1; min-width: 120px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; padding: 16px; }
.enroll-steps .step .n { font-size: 22px; font-weight: 800; color: var(--accent); }
.enroll-steps .step .t { font-size: 13px; color: rgba(255,255,255,.85); margin-top: 4px; }

.form-card { background: #fff; color: var(--ink); border-radius: 18px; padding: 30px; box-shadow: var(--shadow-lg); }
.form-card h3 { font-size: 20px; margin-bottom: 4px; }
.form-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field label .req { color: #E0533D; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 15px; font-family: inherit; color: var(--ink); background: #fff; transition: border .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.field textarea { resize: vertical; min-height: 80px; }
.field .err { color: #E0533D; font-size: 12.5px; margin-top: 5px; display: none; }
.field.invalid input, .field.invalid select { border-color: #E0533D; }
.field.invalid .err { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-card .btn { width: 100%; justify-content: center; margin-top: 6px; }
.form-note { font-size: 12px; color: var(--muted); margin-top: 12px; text-align: center; }
.form-success { display: none; text-align: center; padding: 20px 10px; }
.form-success .check { width: 64px; height: 64px; border-radius: 50%; background: #E6F7EF; color: var(--success); display: grid; place-items: center; margin: 0 auto 16px; }
.form-success h3 { font-size: 20px; }
.form-success p { color: var(--muted); font-size: 14px; margin: 8px 0 18px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; gap: 16px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.contact-item .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--primary-light); color: var(--primary); display: grid; place-items: center; flex: 0 0 auto; }
.contact-item .t b { font-size: 15px; }
.contact-item .t p { color: var(--muted); font-size: 14px; margin-top: 2px; }
.contact-item .t a { color: var(--primary); font-weight: 600; }
.map-box { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 320px; background: linear-gradient(135deg, #FDF2F2, #FBF7F7); display: grid; place-items: center; position: relative; }
.map-box .pin { text-align: center; color: var(--primary-dark); }
.map-box .pin svg { width: 48px; height: 48px; margin: 0 auto 10px; }
.map-box .pin .addr { font-size: 15px; font-weight: 600; }
.map-box .pin .sub { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--bg-deep); color: rgba(255,255,255,.7); padding: 56px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
.footer-grid h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-brand .logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; margin-bottom: 14px; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; }
.footer-links a { display: block; padding: 6px 0; font-size: 14px; color: rgba(255,255,255,.7); transition: .2s; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact p { font-size: 13.5px; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 22px; text-align: center; font-size: 13px; color: rgba(255,255,255,.55); }
.footer-bottom a { color: rgba(255,255,255,.7); }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--primary); color: #fff; display: grid; place-items: center; cursor: pointer;
  box-shadow: var(--shadow-md); opacity: 0; pointer-events: none; transition: .3s; z-index: 90;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-grid, .about-grid, .enroll-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 70px 0 56px; }
  .cards, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-card { max-width: 460px; }
}
@media (max-width: 720px) {
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; padding: 14px 20px 22px; gap: 4px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); transform: translateY(-130%); transition: transform .3s ease; max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 12px; border-radius: 10px; }
  .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  section { padding: 56px 0; }
  .cards, .news-grid, .feat-grid, .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
  .brand-logo { height: 34px; }
  .footer-logo { height: 44px; }
}