/* ============================================================
   河南网络创业培训平台 · 首页样式
   配色：政务蓝 + 中国传统色（朱砂 / 鎏金 / 玉青 / 宣纸）
   布局参照：马兰花教学辅助平台首页
   ============================================================ */

:root {
  /* 政务蓝 */
  --gov: #1B4F91;
  --gov-dark: #123A6C;
  --gov-deep: #0C2B52;
  --gov-light: #E8F0FA;
  /* 中国传统色 */
  --cinnabar: #A83240;        /* 朱砂 */
  --cinnabar-dark: #8C2833;
  --gold: #C0A060;            /* 鎏金 */
  --gold-dark: #9A7B3F;
  --jade: #2F9E8F;            /* 玉青 */
  --paper: #FAF8F5;           /* 宣纸 */
  --ink: #2B3038;
  --muted: #6E7683;
  --line: #E3E8F0;
  --bg: #F5F7FA;
  --radius: 8px;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 14px;
}
a { text-decoration: none; }
a:focus { outline: none; }
.container { width: 84%; max-width: 1400px; margin: 0 auto; }

/* 回纹分隔线（传统纹样点缀） */
.hui-divider {
  height: 6px;
  background:
    repeating-linear-gradient(90deg,
      var(--gold) 0 8px, transparent 8px 12px,
      var(--gov) 12px 20px, transparent 20px 24px);
  opacity: .45;
}

/* ---------------- header ---------------- */
.header-box {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .4s ease;
}
.header-box.header-sticky {
  box-shadow: 0 1px 0 var(--line), 0 8px 24px -12px rgba(12, 43, 82, .25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.header-logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 46px; height: 46px;
  background: var(--cinnabar);
  color: #fff;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.25);
  flex-shrink: 0;
}
.logo-text .logo-name {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--gov-deep);
  letter-spacing: 2px;
  line-height: 1.2;
}
.logo-text .logo-sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  margin-top: 2px;
}
.header-nav { display: flex; align-items: center; font-size: 15px; }
.header-nav .nav-item {
  color: #4A5160;
  padding: 6px 13px;
  position: relative;
  transition: color .25s;
  white-space: nowrap;
}
.header-nav .nav-item:hover,
.header-nav .nav-item.active { color: var(--gov); }
.header-nav .nav-item.active::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: -2px;
  height: 2px;
  background: var(--gov);
  border-radius: 2px;
}
.login-box { margin-left: 14px; }
.login-btn {
  display: inline-block;
  border: 1px solid var(--gov);
  color: var(--gov);
  background: #fff;
  border-radius: 6px;
  padding: 8px 22px;
  font-size: 14px;
  letter-spacing: 2px;
  transition: all .25s;
  cursor: pointer;
}
.login-btn:hover { background: var(--gov); color: #fff; }

/* 移动端汉堡菜单 */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: var(--gov-deep);
  border-radius: 2px;
  transition: all .3s;
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 8px 0 14px;
}
.mobile-menu a {
  display: block;
  padding: 11px 8%;
  color: #4A5160;
  font-size: 15px;
  border-bottom: 1px dashed var(--line);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active, .mobile-menu a:hover { color: var(--gov); }

/* ---------------- banner ---------------- */
.banner-wrap {
  position: relative;
  background: var(--gov-deep);
}
#banner .slide {
  position: relative;
  overflow: hidden;
  background: #DCE8F4;
}
#banner .slide img.slide-bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.slide-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 8%;
  z-index: 2;
  pointer-events: none;
}
.slide-text .eyebrow {
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--gov-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}
.slide-text .eyebrow::before {
  content: "";
  width: 34px; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.slide-2 .eyebrow { color: var(--gold-dark); }
.slide-text h2 {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-size: 52px;
  font-weight: 900;
  letter-spacing: 6px;
  color: #1F2733;
  text-shadow: 0 2px 0 rgba(255,255,255,.6);
}
.slide-text .ribbon {
  pointer-events: auto;
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.slide-text .ribbon .tag {
  background: linear-gradient(90deg, transparent, var(--gov) 18%, var(--gov) 82%, transparent);
  color: #fff;
  font-size: 15px;
  letter-spacing: 6px;
  padding: 8px 34px;
}
.slide-text .btns { display: flex; gap: 12px; pointer-events: auto; }
.slide-text .sbtn {
  display: inline-block;
  padding: 10px 30px;
  border-radius: 6px;
  font-size: 15px;
  letter-spacing: 3px;
  transition: all .25s;
  cursor: pointer;
}
.slide-text .sbtn-primary { background: var(--gov); color: #fff; }
.slide-text .sbtn-primary:hover { background: var(--gov-dark); }
.slide-text .sbtn-ghost {
  border: 1px solid var(--gov-dark);
  color: var(--gov-dark);
  background: rgba(255,255,255,.55);
}
.slide-text .sbtn-ghost:hover { background: var(--gov-dark); color: #fff; }
#banner .layui-carousel-ind li { background: rgba(27, 79, 145, .35); }
#banner .layui-carousel-ind li.layui-this { background: var(--gov); width: 22px; }
#banner .layui-carousel-arrow {
  background: rgba(12, 43, 82, .35);
  border-radius: 0;
}
#banner .layui-carousel-arrow:hover { background: var(--gov); }

/* ---------------- 功能模块 ---------------- */
.project-box {
  position: relative;
  padding: 54px 0 60px;
  background:
    radial-gradient(circle at 12% 18%, rgba(27,79,145,.05) 0 120px, transparent 121px),
    radial-gradient(circle at 88% 82%, rgba(192,160,96,.08) 0 140px, transparent 141px),
    repeating-linear-gradient(45deg, rgba(27,79,145,.022) 0 2px, transparent 2px 14px),
    linear-gradient(180deg, #FBFCFE 0%, #F4F7FB 100%);
}
.section-head { text-align: center; margin-bottom: 34px; }
.section-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gov-deep);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.section-head h3::before,
.section-head h3::after {
  content: "";
  width: 46px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.section-head h3::after {
  background: linear-gradient(90deg, var(--gold), transparent);
}
.section-head p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 2px;
}
.module-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.module-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 18px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.module-item::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gov), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s;
}
.module-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px -14px rgba(12, 43, 82, .28);
  border-color: transparent;
}
.module-item:hover::before { transform: scaleX(1); }
.item-icon {
  width: 76px; height: 76px;
  margin: 0 auto 14px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 14px -6px rgba(12, 43, 82, .3);
}
.item-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.module-item .title {
  font-size: 17px;
  font-weight: 700;
  font-family: var(--serif);
  letter-spacing: 2px;
  color: var(--ink);
  margin-bottom: 8px;
}
.module-item .desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
  min-height: 66px;
  text-align: left;
}
.item-button { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.mbtn {
  display: inline-block;
  border-radius: 4px;
  padding: 7px 16px;
  font-size: 13px;
  letter-spacing: 1px;
  color: #fff;
  cursor: pointer;
  border: none;
  transition: all .25s;
}
.mbtn-blue { background: var(--gov); }
.mbtn-blue:hover { background: var(--gov-dark); }
.mbtn-red { background: var(--cinnabar); }
.mbtn-red:hover { background: var(--cinnabar-dark); }
.mbtn-gold { background: var(--gold); }
.mbtn-gold:hover { background: var(--gold-dark); }
.mbtn-jade { background: var(--jade); }
.mbtn-jade:hover { background: #25816F; }

/* ---------------- 项目介绍 ---------------- */
.intro-box { background: #fff; padding: 60px 0; }
.intro-row {
  display: flex;
  align-items: stretch;
  gap: 46px;
}
.intro-media { flex: 1 1 56%; position: relative; }
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 18px 40px -18px rgba(12, 43, 82, .4);
  border: 1px solid var(--line);
}
.video-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s;
}
.video-frame:hover img { transform: scale(1.03); }
.video-frame .play-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,43,82,.05), rgba(12,43,82,.35));
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
}
.play-mask .play-btn {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(12,43,82,.35);
  transition: transform .3s, background .3s;
}
.video-frame:hover .play-btn { transform: scale(1.08); background: #fff; }
.play-btn::after {
  content: "";
  margin-left: 5px;
  border-style: solid;
  border-width: 11px 0 11px 18px;
  border-color: transparent transparent transparent var(--gov);
}
.play-mask .play-label {
  color: #fff;
  font-size: 14px;
  letter-spacing: 3px;
  text-shadow: 0 1px 4px rgba(0,0,0,.4);
}
.intro-content { flex: 1 1 44%; display: flex; flex-direction: column; justify-content: center; }
.intro-content .intro-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cinnabar);
  font-size: 13px;
  letter-spacing: 3px;
  margin-bottom: 12px;
}
.intro-content .intro-tag::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--cinnabar);
  transform: rotate(45deg);
}
.intro-content h2 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gov-deep);
  line-height: 1.4;
}
.intro-content p {
  margin: 0 0 14px;
  color: #555C68;
  font-size: 14px;
  line-height: 2;
  text-align: justify;
  text-indent: 2em;
}
.intro-stats {
  display: flex;
  gap: 0;
  margin-top: 20px;
  border-top: 1px dashed var(--line);
  padding-top: 18px;
}
.intro-stats .st { flex: 1; text-align: center; position: relative; }
.intro-stats .st + .st::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 1px;
  background: var(--line);
}
.intro-stats .num {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--gov);
}
.intro-stats .num .unit { font-size: 13px; color: var(--muted); margin-left: 3px; }
.intro-stats .lb { font-size: 12px; color: var(--muted); letter-spacing: 2px; margin-top: 4px; }

/* ---------------- 咨询横幅 ---------------- */
.contact-banner {
  position: relative;
  background: linear-gradient(120deg, var(--gov-deep) 0%, var(--gov) 55%, var(--gov-dark) 100%);
  padding: 64px 0 70px;
  overflow: hidden;
}
.contact-banner::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(192,160,96,.22) 0 90px, transparent 91px),
    radial-gradient(circle at 8% 90%, rgba(255,255,255,.06) 0 120px, transparent 121px);
  pointer-events: none;
}
.contact-banner .wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  width: 100%; height: 46px;
  display: block;
}
.contact-inner { position: relative; text-align: center; z-index: 1; }
.contact-inner h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 8px;
  color: #fff;
}
.contact-inner h4 {
  margin: 14px 0 26px;
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, .72);
}
.consult-btn {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, .85);
  color: #fff;
  font-size: 16px;
  letter-spacing: 6px;
  padding: 12px 46px 12px 52px;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  transition: all .3s;
}
.consult-btn:hover { background: #fff; color: var(--gov); }

/* ---------------- footer ---------------- */
.site-footer {
  background: #1A2438;
  color: #C9CFDC;
  text-align: center;
  padding: 22px 0 18px;
  font-size: 13px;
}
.site-footer .foot-name {
  font-family: var(--serif);
  letter-spacing: 3px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 8px;
}
.site-footer a { color: #C9CFDC; }
.site-footer a:hover { color: var(--gold); }
.site-footer .beian img { width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }
.site-footer .sep { margin: 0 10px; color: #55607A; }

/* ---------------- layer 弹层内容 ---------------- */
.pop-panel { padding: 26px 28px; }
.pop-panel h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 2px;
  color: var(--gov-deep);
}
.pop-panel .pop-sub { font-size: 12px; color: var(--muted); margin-bottom: 16px; letter-spacing: 1px; }
.pop-panel .pop-row {
  display: flex;
  font-size: 14px;
  line-height: 2.2;
  border-bottom: 1px dashed var(--line);
}
.pop-panel .pop-row:last-of-type { border-bottom: none; }
.pop-panel .pop-row b { flex: 0 0 84px; color: var(--muted); font-weight: 400; }
.pop-panel .pop-tip {
  margin-top: 14px;
  background: var(--gov-light);
  border-left: 3px solid var(--gov);
  color: var(--gov-dark);
  font-size: 12px;
  line-height: 1.9;
  padding: 8px 12px;
  border-radius: 0 4px 4px 0;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1199px) {
  .module-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 991px) {
  .header-nav { display: none; }
  .nav-toggle { display: block; }
  .slide-text h2 { font-size: 38px; letter-spacing: 4px; }
  .slide-text .eyebrow { font-size: 14px; }
  .intro-row { flex-direction: column; }
  .intro-content { flex-basis: auto; }
}
@media (max-width: 767px) {
  .container { width: 92%; }
  .header-inner { height: 62px; }
  .logo-mark { width: 40px; height: 40px; font-size: 22px; }
  .logo-text .logo-name { font-size: 17px; letter-spacing: 1px; }
  .logo-text .logo-sub { display: none; }
  .slide-text { padding-left: 6%; }
  .slide-text h2 { font-size: 26px; letter-spacing: 2px; }
  .slide-text .ribbon .tag { font-size: 12px; letter-spacing: 3px; padding: 6px 20px; }
  .slide-text .sbtn { padding: 8px 18px; font-size: 13px; }
  .project-box { padding: 40px 0 44px; }
  .section-head h3 { font-size: 22px; }
  .module-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .module-item .desc { min-height: 0; }
  .intro-box { padding: 44px 0; }
  .intro-content h2 { font-size: 24px; }
  .intro-stats .num { font-size: 21px; }
  .contact-inner h2 { font-size: 24px; letter-spacing: 5px; }
}
@media (max-width: 480px) {
  .module-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}