:root {
  /* 主题色：专业蓝 + 奶油背景 */
  --primary: #2f80ed;
  --primary-deep: #1f6fd6;
  --primary-soft: #eaf2ff;

  --bg-page: #f9f5ee;  /* 整页奶油底 */
  --bg-card: #ffffff;
  --bg-soft: #f6f8fb;

  --accent-pink: #f3c6d3;

  --text-main: #0f172a;
  --text-sub: #64748b;
  --text-light: #94a3b8;

  --border-light: #e5e7eb;
  --shadow-soft: 0 12px 28px rgba(0,0,0,.08);
  --shadow-card: 0 12px 28px rgba(15,23,42,.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-page);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft Yahei", sans-serif;
  color: var(--text-main);
  /* ✅ 全站字号大一号 */
  font-size: 20px;
}

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

.page {
  min-height: 100vh;
}

/* 顶部导航 */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #dbe1ff;
  background: rgba(249, 245, 238, .86);
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-left {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex: 1;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: #ffffff;
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2f80ed, #5b8dff);
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-deep);
}

.nav-links {
  display: flex;
  gap: 22px;
}

.nav-links a {
  font-size: 19px;
  color: var(--text-sub);
  position: relative;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  padding: 6px 2px 12px; /* 给下划线留空间，避免漂移 */
}

.nav-links a:hover {
  color: var(--primary-deep);
}

.nav-links a.active {
  color: var(--primary-deep);
  font-weight: 700;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;                 /* 贴近文字下方 */
  transform: translateX(-50%);
  width: 28px;                 /* 固定长度：不随文字宽度变化 */
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent-pink));
}

.nav-right {
  display: flex;
  gap: 10px;
}

/* =========================================================
   UI 6 (Index6 + Navbar/Footer) — 仅新增/覆盖必要样式
   - 首页使用 body.home6 作用域
   - navbar/footer 作为全站组件，使用 nav6/footer6
   ========================================================= */

/* ----- Navbar (UI 6) ----- */
.nav.nav6{
  backdrop-filter: saturate(180%) blur(10px);
  background: rgba(246,249,255,.72);
  border-bottom: 1px solid rgba(230,238,252,.90);
}

.nav6-inner{
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.nav6-brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width: 210px;
}

.nav6-logo{
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight: 900;
  font-size: 18px;
  background: linear-gradient(135deg, #2563eb, rgba(245,158,11,.92));
  box-shadow: 0 10px 22px rgba(37,99,235,.18);
}

.nav6-brandtext strong{
  display:block;
  font-size: 16px;
  line-height: 1.1;
  font-weight: 900;
  color: #0f172a;
}

.nav6-sub{
  display:block;
  font-size: 13px;
  margin-top: 3px;
  color: var(--text-sub);
  font-weight: 700;
}

.nav-links.nav6-links{
  flex: 1;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nav-links.nav6-links a{
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-sub);
}

.nav-links.nav6-links a:hover{
  background: rgba(255,255,255,.78);
  color: #0f172a;
}

/* 用 common.js 打的 .active 仍然生效，但换成“胶囊高亮” */
.nav-links.nav6-links a.active{
  background: rgba(37,99,235,.10);
  color: #1d4ed8;
  font-weight: 900;
}

.nav-links.nav6-links a.active::after{ content:none; }

.nav-right.nav6-actions{
  gap: 10px;
}

.nav6-btn{
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 20px;
  font-weight: 900;
}

/* ----- Footer (UI 6) ----- */
.site-footer-simple {
  background: #ffffff;
  color: #000000;
  padding: 28px 20px;
  border-top: 1px solid #e5e5e5;
  font-size: 14px;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-info {
  line-height: 1.9;
  max-width: 720px;
}

.footer-row a {
  color: #000;
  text-decoration: none;
}

.footer-row a:hover {
  text-decoration: underline;
}

.dot {
  margin: 0 8px;
}

.footer-note {
  margin-top: 6px;
  font-size: 13px;
}

.copyright {
  margin-top: 8px;
  font-size: 13px;
}

.footer-qrcode {
  text-align: center;
}

.footer-qrcode img {
  width: 110px;
  height: 110px;
  margin-top: 6px;
  border: 1px solid #ddd;
  padding: 4px;
}

.qr-title {
  font-size: 14px;
  margin-bottom: 4px;
}

@media (max-width: 980px){
  .nav-links.nav6-links{ display:none; }
  .footer6-grid{ grid-template-columns: 1fr; }
}

/* ----- Home (UI 6) ----- */
.home6{
  background:
    radial-gradient(1200px 420px at 20% -10%, rgba(37,99,235,.12), transparent 60%),
    radial-gradient(900px 400px at 90% 10%, rgba(245,158,11,.10), transparent 55%),
    #f6f9ff;
}

.home6 .page{ min-height: 100vh; }

.home6 .container{
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 18px;
}

.home6 a{ color: inherit; text-decoration: none; }

.home6 section.block{ padding: 18px 0; }

.home6 .section-title{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap: 10px;
  margin: 0 0 14px;
}

.home6 .section-title h2{
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.01em;
  font-weight: 1000;
}

.home6 .section-title .hint{
  font-size: 15px;
  color: var(--text-sub);
  font-weight: 800;
}

.home6 .section-title.center{
  justify-content:center;
  text-align:center;
  flex-direction:column;
  align-items:center;
  gap: 8px;
}

.home6 .section-title.center h2{
  font-size: 30px;
  font-weight: 1100;
  letter-spacing: -0.02em;
}

.home6 .muted{ color: var(--text-sub); }

.home6 .hero-block{
  border-radius: 28px;
  overflow:hidden;
  border: 1px solid rgba(230,238,252,.95);
  box-shadow: 0 18px 44px rgba(15, 23, 42, .10);
  background: #ffffff;
}

.home6 .slider{
  position: relative;
  height: 290px;
  background: linear-gradient(90deg, rgba(37,99,235,.18), rgba(245,158,11,.12));
}

.home6 .slide{
  position:absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .25s ease;
}

.home6 .slide.active{ opacity: 1; }

.home6 .slide .media{
  position:absolute;
  inset:0;
  background:
    radial-gradient(980px 360px at 18% 30%, rgba(37,99,235,.38), transparent 56%),
    radial-gradient(820px 360px at 82% 30%, rgba(245,158,11,.30), transparent 56%),
    linear-gradient(135deg, rgba(15,23,42,.08), rgba(15,23,42,.02));
}

.home6 .slide-number{
  position:absolute;
  left: 26px;
  top: 22px;
  font-size: 92px;
  font-weight: 1200;
  letter-spacing: -0.04em;
  color: rgba(15,23,42,.72);
  text-shadow: 0 18px 50px rgba(15,23,42,.18);
  user-select: none;
}

.home6 .iconbtn{
  width: 48px;
  height: 48px;
  border-radius: 18px;
  border: 1px solid rgba(230,238,252,.95);
  background: rgba(255,255,255,.88);
  cursor: pointer;
  font-weight: 1200;
  font-size: 20px;
  position:absolute;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 16px 36px rgba(15,23,42,.10);
}

.home6 .iconbtn:hover{ background:#fff; border-color:#cfe0ff; }
.home6 .iconbtn.prev{ left: 14px; }
.home6 .iconbtn.next{ right: 14px; }

.home6 .dots{
  position:absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display:flex;
  gap: 10px;
  align-items:center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(230,238,252,.95);
  background: rgba(255,255,255,.84);
  box-shadow: 0 16px 40px rgba(15,23,42,.08);
  backdrop-filter: blur(10px);
}

.home6 .dot{
  width: 16px;
  height: 12px;
  border-radius: 999px;
  background: #c8d9ff;
  border: 1px solid rgba(37,99,235,.20);
  cursor: pointer;
  transition: .15s ease;
}

.home6 .dot.active{ width: 34px; background: #2563eb; }

.home6 .core-row{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(230,238,252,.95);
  background: #fff;
}

.home6 .core-card{
  padding: 32px 18px 28px;
  text-align: center;
  min-height: 300px;
  position: relative;
}

.home6 .core-card + .core-card{ border-left: 2px solid rgba(230,238,252,.95); }

.home6 .core-emoji{
  width: 60px;
  height: 60px;
  border-radius: 20px;
  margin: 0 auto 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 28px;
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: 0 14px 30px rgba(15,23,42,.06);
}

.home6 .core-card h3{
  margin: 0;
  font-size: 28px;
  font-weight: 1100;
  letter-spacing: -0.01em;
  color: #0b1220;
}

.home6 .core-card p{
  margin: 10px 0 18px;
  color: rgba(15,23,42,.62);
  font-size: 16px;
  font-weight: 850;
  line-height: 1.65;
}

.home6 .core-card.video{ background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(255,255,255,.92)); }
.home6 .core-card.video .core-emoji{ background: rgba(37,99,235,.14); }
.home6 .core-card.vocab{ background: linear-gradient(180deg, rgba(99,102,241,.10), rgba(255,255,255,.92)); }
.home6 .core-card.vocab .core-emoji{ background: rgba(99,102,241,.14); }
.home6 .core-card.sentence{ background: linear-gradient(180deg, rgba(245,158,11,.12), rgba(255,255,255,.92)); }
.home6 .core-card.sentence .core-emoji{ background: rgba(245,158,11,.16); }

/* 首页按钮（不影响全站 .btn / .btn-primary） */
.home6 .btn6{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
  background: #2563eb;
  color: #ffffff;
  font-weight: 900;
  font-size: 16px;
  cursor: pointer;
  transition: .15s ease;
  user-select: none;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(37,99,235,.16);
}

.home6 .btn6:hover{ background:#1d4ed8; }

.home6 .btn6.secondary{
  background: #ffffff;
  color: #0f172a;
  border-color: rgba(230,238,252,.95);
  box-shadow: none;
}

.home6 .btn6.secondary:hover{
  border-color: #cfe0ff;
  background: #fbfdff;
}

/* 课程表 */
.home6 #schedule{
  background:
    radial-gradient(900px 340px at 20% 10%, rgba(37,99,235,.08), transparent 62%),
    radial-gradient(700px 340px at 90% 20%, rgba(245,158,11,.07), transparent 62%),
    rgba(255,255,255,.60);
  border-top: 1px solid rgba(230,238,252,.85);
  border-bottom: 1px solid rgba(230,238,252,.85);
}

.home6 .schedule-hero{
  border-radius: 28px;
  overflow:hidden;
  border: 1px solid rgba(230,238,252,.95);
  box-shadow: 0 18px 44px rgba(15,23,42,.06);
  background:
    repeating-linear-gradient(45deg,
      rgba(37,99,235,.05), rgba(37,99,235,.05) 12px,
      rgba(245,158,11,.05) 12px, rgba(245,158,11,.05) 24px
    );
  min-height: 280px;
  position: relative;
}

.home6 .schedule-img{
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display:block;
}

/* 更多服务 */
.home6 .services-wrap{
  border-radius: 28px;
  overflow:hidden;
  border: 2px solid rgba(37,99,235,.18);
  box-shadow: 0 18px 44px rgba(15,23,42,.06);
  background:#fff;
}

.home6 .grid-2x2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.home6 .service-block{
  padding: 24px 18px;
  min-height: 170px;
  display:flex;
  gap: 14px;
  align-items:flex-start;
}

.home6 .service-block:nth-child(2),
.home6 .service-block:nth-child(4){ border-left: 1px solid rgba(230,238,252,.95); }

.home6 .service-block:nth-child(3),
.home6 .service-block:nth-child(4){ border-top: 1px solid rgba(230,238,252,.95); }

.home6 .service-icon{
  width: 60px;
  height: 60px;
  border-radius: 22px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 28px;
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: 0 14px 30px rgba(15,23,42,.06);
  flex: 0 0 auto;
}

.home6 .service-block h4{ margin: 0; font-size: 24px; font-weight: 1100; }
.home6 .service-block p{ margin: 10px 0 14px; color: rgba(15,23,42,.62); font-weight: 850; line-height: 1.65; font-size: 16px; }

.home6 .service-block.wrongbook{ background: linear-gradient(180deg, rgba(37,99,235,.08), rgba(255,255,255,.92)); }
.home6 .service-block.wrongbook .service-icon{ background: rgba(37,99,235,.14); }
.home6 .service-block.download{ background: linear-gradient(180deg, rgba(245,158,11,.10), rgba(255,255,255,.92)); }
.home6 .service-block.download .service-icon{ background: rgba(245,158,11,.16); }
.home6 .service-block.subscribe{ background: linear-gradient(180deg, rgba(99,102,241,.09), rgba(255,255,255,.92)); }
.home6 .service-block.subscribe .service-icon{ background: rgba(99,102,241,.14); }
.home6 .service-block.coach{ background: linear-gradient(180deg, rgba(16,185,129,.10), rgba(255,255,255,.92)); }
.home6 .service-block.coach .service-icon{ background: rgba(16,185,129,.14); }

.home6 .contact-strip{
  border-top: 1px solid rgba(230,238,252,.95);
  padding: 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.92));
}

.home6 .contact-strip strong{ font-size: 20px; font-weight: 1100; }
.home6 .contact-strip .right{ display:flex; gap: 10px; flex-wrap: wrap; }

/* FAQ */
.home6 .faq-pad{
  padding: 16px;
  background:#fff;
  border: 1px solid rgba(230,238,252,.95);
  border-radius: 28px;
  box-shadow: 0 16px 40px rgba(15,23,42,.06);
}

.home6 details{ border-top: 1px solid rgba(230,238,252,.95); padding: 14px 0; }
.home6 details:first-of-type{ border-top: none; }

.home6 summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  font-weight: 1100;
  font-size: 17px;
}

.home6 summary::-webkit-details-marker{ display:none; }

.home6 .answer{
  padding: 12px 0 2px;
  color: rgba(15,23,42,.62);
  line-height: 1.75;
  font-size: 16px;
  font-weight: 780;
}

.home6 .mark{
  width: 34px;
  height: 34px;
  border-radius: 14px;
  border: 1px solid rgba(230,238,252,.95);
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  color: rgba(15,23,42,.55);
  font-weight: 1200;
  flex: 0 0 auto;
}

.home6 details[open] .mark{ color: #2563eb; border-color: #cfe0ff; }

@media (max-width: 980px){
  .home6 .core-row{ grid-template-columns: 1fr; }
  .home6 .core-card + .core-card{ border-left:none; border-top: 1px solid rgba(230,238,252,.95); }

  .home6 .grid-2x2{ grid-template-columns: 1fr; }
  .home6 .service-block:nth-child(2),
  .home6 .service-block:nth-child(4){ border-left:none; }

  .home6 .service-block:nth-child(3),
  .home6 .service-block:nth-child(4){ border-top: 1px solid rgba(230,238,252,.95); }

  .home6 .contact-strip{ flex-direction: column; align-items: flex-start; }
}

.btn {
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  border: none;
}

.btn-primary,
.btn-primary-full {
  background: linear-gradient(135deg, #2f6fed, #5b8dff);
  color: #fff;
  box-shadow: 0 10px 24px rgba(47, 128, 237, 0.25);
}

.btn-primary:hover,
.btn-primary-full:hover {
  background: var(--primary-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--primary-deep);
}

.btn-outline {
  background: #ffffff;
  border: 1px solid var(--primary);
  color: var(--primary-deep);
}

/* =========================
   Banner 行：左轮播 + 右 2 卡
   ========================= */
.banner {
  padding: 18px 0;
  background: linear-gradient(
    135deg,
    #f7f9ff 0%,
    #eef3ff 40%,
    #fff7ee 100%
  );
}

.banner-row{
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;

  /* ❌ 彻底取消 grid */
  display: block;
}

/* 左侧：轮播主卡 */
.banner-slider-card {
  border-radius: 26px;
  padding: 0; /* 用 slide 自己的 padding */
  box-shadow: 0 18px 36px rgba(15,23,42,.14);
  background: linear-gradient(
    135deg,
    #e9f1ff 0%,
    #dce7ff 40%,
    #f2e6f1 75%
  );
  overflow: hidden;
}

/* 右侧列 */
.banner-right-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* 右侧卡片 */
.stat-card {
  flex: 1;
  background: #ffffff;
  border-radius: 22px;
  padding: 18px 20px;
  box-shadow: 0 16px 30px rgba(15,23,42,.12);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stat-label {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1f2937;
}

.stat-value {
  font-size: 40px;
  font-weight: 900;
  color: #1e3a8a;
}

/* ===== Banner 左侧轮播 ===== */
.banner-slider {
  position: relative;
  overflow: hidden;
  border-radius: inherit;
}

.slider-viewport {
  overflow: hidden;
  border-radius: inherit;
}

.slider-track {
  display: flex;
  width: 300%;
  transition: transform .6s ease;
}

/* 每一张 slide：左图右文已经改成纯图片，这里只保留图片容器 */
.slide {
  width: 100%;
  flex: 0 0 100%;
}

.slide-media {
  height: 210px;
  border-radius: 26px;
  box-shadow: 0 18px 44px rgba(17,24,39,.14);
  border: 1px solid rgba(37,99,235,.12);
}

/* 三张图 */
.media-1 { background: url("./banner-slide-1.jpg") center/cover no-repeat; }
.media-2 { background: url("./banner-slide-2.jpg") center/cover no-repeat; }
.media-3 { background: url("./banner-slide-3.jpg") center/cover no-repeat; }

/* Banner 整体高度稍微加高一点 */
.banner{
  padding: 26px 0 30px;
}

.banner-row{
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;

  /* ❌ 彻底取消 grid */
  display: block;
}

.slider-viewport{
  height: 320px;   /* 原来 230，明显不够 */
}

.slide-media{
  height: 100%;
  border-radius: 0;       /* ✅ 由外层统一控制圆角 */
}

/* 右侧两个小卡高度也稍微加高一点 */
.stat-card{
  min-height: 120px;
  background: #ffffff;
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 16px 30px rgba(15,23,42,.12);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 箭头 */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.82);
  cursor: pointer;
  font-size: 26px;
  line-height: 40px;
  box-shadow: 0 10px 24px rgba(17,24,39,.12);
}
.slider-arrow.prev { left: 12px; }
.slider-arrow.next { right: 12px; }

/* 圆点 */
.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(15,23,42,.08);
}
.slider-dots .dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: rgba(47,111,237,.25);
}
.slider-dots .dot.active {
  background: rgba(47,111,237,.95);
  width: 18px;
}

.banner-calendar-card{
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);

  width: 150px;
  padding: 16px 14px;

  background: #ffffff;
  border-radius: 20px;
  border: 1px solid rgba(47,128,237,0.25);
  box-shadow: 0 16px 32px rgba(15,23,42,.15);

  text-align: center;
}

/* 顶部 */
.calendar-top{
  font-size: 14px;
  font-weight: 700;
  color: #1e40af;
  margin-bottom: 6px;
}

/* 日期 */
.calendar-date{
  font-size: 28px;
  font-weight: 900;
  color: #0f172a;
  line-height: 1.1;
}

/* 副标题 */
.calendar-sub{
  margin-top: 6px;
  font-size: 13px;
  color: #64748b;
}

/* 倒计时 */
.calendar-count{
  margin-top: 4px;
  font-size: 15px;
  font-weight: 700;
  color: #1e3a8a;
}

/* =========================
   时间轴（整年一条线）
   ========================= */
.timeline-section {
  padding: 16px 0 6px;
}

.timeline-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.timeline-header {
  text-align: left;
}

.timeline-horizontal {
  position: relative;
  margin-top: 14px;
  padding: 18px 8px 10px;
}

/* 中间横线 */
.timeline-line-h {
  position: absolute;
  left: 0;
  right: 0;
  top: 38px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-pink));
  opacity: 0.45;
  pointer-events: none;
}

/* 节点容器 */
.timeline-items-h {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

/* 单个节点 */
.timeline-item-h {
  position: relative;
  flex: 1;
  text-align: center;
}

/* 圆点 */
.timeline-dot-h {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: #ffffff;
  border: 3px solid var(--accent-pink);
  box-shadow: 0 0 0 4px rgba(251, 113, 133, 0.16);
  margin: 0 auto;
}

/* 月份 */
.timeline-month-h {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-pink);
  margin-bottom: 6px;
}

/* 说明文字 */
.timeline-label-h {
  font-size: 13px;
  margin-top: 8px;
  color: var(--text-sub);
  white-space: nowrap;
}

/* =========================
   核心学习模块
   ========================= */
/* 核心学习模块整体背景：淡蓝 + 奶油渐变 */
.core-section{
  padding: 32px 0 40px;
  background: linear-gradient(135deg,#f4f7ff 0%,#fff7ee 100%);
}

.core-inner-card {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 22px 18px;
  background: #ffffff;
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.core-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 14px 0 12px;
}

.core-tab{
  border-radius: 999px;
  padding: 12px 28px;
  border: 1px solid rgba(47,128,237,0.18);
  background: rgba(47,128,237,0.06);
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
  color: #1e40af;
  box-shadow: 0 4px 10px rgba(15,23,42,0.06);
  transition: all .18s ease;
}

.core-tab:hover{
  background: rgba(47,128,237,0.16);
}

.core-tab.active{
  background: linear-gradient(135deg,#2f80ed,#5b8dff);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(37,99,235,.25);
}

.core-panels {
  padding-top: 6px;
}

.core-panel { display: none; }
.core-panel.active { display: block; }

.core-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 22px;
  row-gap: 12px;
  align-items: start;
}

.core-panel-left .panel-title {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 800;
}

.panel-text {
  margin: 0 0 8px;
  color: #4b5563;
  line-height: 1.75;
  font-size: 18px;
}

.panel-bullets {
  margin: 0;
  padding-left: 18px;
  color: #4b5563;
  font-size: 18px;
}
.panel-bullets li + li { margin-top: 4px; }

/* 右侧示例标题 */
.core-panel-right .panel-right-head {
  margin: 2px 0 10px;
}
.core-panel-right .panel-right-title {
  font-size: 18px;
  font-weight: 800;
}

/* 底部按钮：所有 tab 一律居中 */
.core-panel-footer {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

/* 视频示例 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}

.video-card {
  background: #f3f6ff;
  border: 1px solid rgba(148,163,184,.18);
  border-radius: 18px;
  padding: 12px 12px 10px;
  box-shadow: 0 10px 20px rgba(15,23,42,0.08);
}

.video-thumb {
  height: 84px;
  border-radius: 16px;
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  padding: 12px 12px;
  font-size: 18px;
}

.video-title {
  margin: 10px 0 4px;
  font-size: 17px;
  font-weight: 700;
}

.video-meta {
  margin: 0;
  font-size: 15px;
  color: #6b7280;
}

/* 单词进度示例 */
.vocab-progress-card {
  background: #f3f6ff;
  border: 1px solid rgba(148,163,184,.18);
  border-radius: 18px;
  padding: 14px 14px 12px;
  box-shadow: 0 10px 20px rgba(15,23,42,0.08);
}

.vocab-progress-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
  font-weight: 800;
}

.vocab-progress-bar {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(148,163,184,.22);
  overflow: hidden;
}
.vocab-progress-fill {
  height: 100%;
  border-radius: 999px;
}

/* 督学示例 */
.mentor-preview { width: 100%; }

.mentor-card {
  background: #f3f6ff;
  border: 1px solid rgba(148,163,184,.18);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 10px 20px rgba(15,23,42,0.08);
}

.mentor-date {
  margin: 0 0 8px;
  font-weight: 800;
}

.mentor-card ul {
  margin: 0;
  padding-left: 18px;
  color: #4b5563;
}

.mentor-status {
  margin: 10px 0 0;
  font-weight: 800;
  color: #1e3a8a;
}

/* 资料下载示例 */
.download-one-card {
  background: #f3f6ff;
  border: 1px solid rgba(148,163,184,.18);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 10px 20px rgba(15,23,42,0.08);
  overflow: hidden;
}

.download-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
}

.download-desc {
  margin: 0;
  color: #6b7280;
  line-height: 1.7;
  word-break: break-word;
}

/* 错题本面板：左文右卡布局 */
#panel-wrongbook .core-panel-inner.wrongbook-inner{
  display: flex;
  align-items: flex-start;
  gap: 32px;
}

.wrongbook-left{
  flex: 1;
  min-width: 0;
}

.wrongbook-right{
  flex: 0 0 340px;
}

/* 右侧卡片样式 */
.wrongbook-card{
  padding: 16px 18px 14px;
  background: #fffdfa;
  border-radius: 20px;
  border: 1px solid rgba(248,180,120,.8);
  box-shadow: 0 14px 32px rgba(248,180,120,.45);
}

.wrongbook-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.wrongbook-title{
  font-size: 15px;
  font-weight: 900;
  color: #92400e;
}

.wrongbook-percent{
  font-size: 22px;
  font-weight: 900;
  color: #ea580c;
}

/* 进度条 */
.wrongbook-bar{
  height: 10px;
  border-radius: 999px;
  background: #fed7aa;
  overflow: hidden;
  margin-bottom: 10px;
}

.wrongbook-bar-fill{
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg,#fb923c,#f97316);
}

/* 底部统计 */
.wrongbook-stats{
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.wrongbook-number{
  font-size: 18px;
  font-weight: 900;
  color: #111827;
}

.wrongbook-label{
  font-size: 12px;
  color: #6b7280;
}
/* 核心学习模块底部所有按钮统一样式 */
.core-panel-footer button{
  border: none;
  border-radius: 999px;
  padding: 10px 32px;
  font-size: 18px;
  font-weight: 600;
  background: linear-gradient(135deg,#2f80ed,#5b8dff);
  color: #ffffff;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(37,99,235,.25);
  transition: background .18s ease, transform .18s ease;
}

.core-panel-footer button:hover{
  background: #1f6fd6;
  transform: translateY(-1px);
}

/* =========================
   收费方式
   ========================= */
.subscribe-section {
  background: #ffffff;
  padding: 34px 0 40px;
}

.subscribe-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 20px 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.price-card {
  background: #f8fafc;
  border-radius: 20px;
  padding: 18px 16px 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: var(--shadow-card);
  position: relative;
}

.price-card-main {
  background: #ffffff;
  border: 1px solid rgba(37, 99, 235, 0.35);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.18);
}

.price-badge {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #2563eb;
  color: #ffffff;
}

.price-name {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
}

.price-tagline {
  margin: 0 0 10px;
  font-size: 17px;
  color: var(--text-sub);
}

.price-value {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-deep);
}
.price-value span {
  font-size: 18px;
  margin-right: 2px;
}

.price-list {
  padding-left: 18px;
  margin: 0 0 14px;
  font-size: 17px;
  color: var(--text-sub);
}
.price-list li + li { margin-top: 3px; }

.btn-primary-full,
.btn-outline-full {
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  width: 100%;
}

.btn-outline-full {
  background: #ffffff;
  border: 1px solid var(--primary);
  color: var(--primary-deep);
}

/* =========================
   FAQ
   ========================= */
.faq-section {
  background: #ffffff;
  padding: 34px 0 40px;
}

.faq-section .section-header {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 10px;
  text-align: center;
}

.faq-list {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: #f3f6ff;
  border-radius: 16px;
  padding: 10px 12px;
  box-shadow: var(--shadow-card);
  font-size: 17px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

/* =========================
   页脚
   ========================= */
.footer {
  background: #0f172a;
  color: #e5edff;
  padding: 24px 0;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 15px;
}

.footer-left h4 {
  margin: 0 0 4px;
  font-size: 17px;
}

.footer-left p {
  margin: 2px 0;
}

.qr-box {
  width: 82px;
  height: 82px;
  border-radius: 12px;
  border: 1px dashed #93c5fd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* =========================
   标题统一居中
   ========================= */
.section-title {
  width: 100%;
  text-align: center;
}

.core-section .section-title,
.subscribe-section .section-title,
.subscribe-section h2 {
  text-align: center;
}

/* =========================
   响应式
   ========================= */
@media (max-width: 980px) {
  .banner-row {
    display: block;   /* 明确不是 grid */
  }
  .banner-right-col {
    flex-direction: row;
  }
  .banner-right-col .stat-card {
    flex: 1;
  }

  .core-panel-inner {
    grid-template-columns: 1fr;
  }

  .subscribe-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }

  .subscribe-grid {
    grid-template-columns: 1fr;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }
}
/* —— 统一所有示例卡片风格：与错题本一致 —— */

/* 通用示例卡片类（视频示例、单词示例、计划示例、资料示例） */
.demo-card{
  padding: 20px 22px;
  background: #fffdfa;  /* 同错题本淡橘白 */
  border-radius: 22px;
  border: 1px solid rgba(248,180,120,0.8);   /* 橘色半透明边框 */
  box-shadow: 0 16px 34px rgba(248,180,120,0.38);  /* 橘色柔光阴影 */
}

/* 标题加深，更接近错题本标题风格 */
.demo-card .demo-title{
  font-size: 18px;
  font-weight: 900;
  color: #92400e;
  margin-bottom: 8px;
}

/* 内容文字深灰，层级统一 */
.demo-card .demo-content{
  font-size: 15px;
  color: #374151;
}

.demo-card .demo-meta{
  font-size: 14px;
  color: #6b7280;
  margin-top: 6px;
}
.subscribe-section .section-sub {
  text-align: center;
  margin: 8px auto 0;
  max-width: 720px;
}
.section-sub {
  font-size: 18px;
  color: #64748b;
  line-height: 1.7;
  text-align: center;
  margin-top: 6px;
}
.subscribe-section {
  padding: 24px 0 48px;
  background: radial-gradient(
      circle at top center,
      #eef3ff 0%,
      #f9fbff 35%,
      #ffffff 70%
  );
}
.subscribe-section {
  padding: 24px 0 48px;
  background:
    linear-gradient(180deg, #f4f7ff 0%, #ffffff 100%);
  border-top: 1px solid rgba(47, 128, 237, 0.12);
}
/* ======= UI6增强：更多服务边框/分割线更明显 ======= */
.more-services-card,
.services-card,
.more-services-grid {
  border: 2px solid rgba(30, 64, 175, 0.22) !important;
  box-shadow: 0 16px 44px rgba(15, 23, 42, 0.08) !important;
}

.more-services-card .grid-divider,
.more-services-card .divider,
.services-card .divider {
  background: rgba(30, 64, 175, 0.20) !important;
  height: 2px !important;
}

.more-services-card .service-cell,
.services-card .service-cell,
.more-services-grid > * {
  border-color: rgba(30, 64, 175, 0.18) !important;
}

.more-services-card .service-cell + .service-cell,
.services-card .service-cell + .service-cell {
  border-left: 2px solid rgba(30, 64, 175, 0.18) !important;
}

.more-services-card .service-row + .service-row,
.services-card .service-row + .service-row {
  border-top: 2px solid rgba(30, 64, 175, 0.18) !important;
}
/* =============================
   Footer V6 (更深底色 + 更明显线条)
============================= */
.site-footer-v6{
  background: linear-gradient(180deg, #eef4ff 0%, #e9f0ff 45%, #e6eefc 100%);
  border-top: 2px solid rgba(30, 64, 175, 0.18);
  padding: 34px 0;
  margin-top: 42px;
}

.footer-shell{ max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
  gap: 26px;
  align-items: start;
}

.footer-title{
  font-size: 20px;
  font-weight: 900;
  color: #0f172a;
  margin: 6px 0 14px;
}

.footer-brand-top{
  display:flex; gap:12px; align-items:center; margin-bottom:10px;
}
.footer-logo{
  width: 44px; height: 44px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 60%, #f59e0b 140%);
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.25);
}
.footer-brand-name{ font-size: 18px; font-weight: 900; color:#0f172a; }
.footer-brand-slogan{ font-size: 16px; color:#475569; margin-top:2px; }

.footer-copyright{
  margin-top: 18px;
  font-size: 16px;
  color: #64748b;
}

.footer-nav{
  display: grid;
  gap: 10px;
}
.footer-nav a{
  color:#0f172a;
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
}
.footer-nav a:hover{ color:#1d4ed8; }

.footer-qrcode .qr-box{
  border: 2px solid rgba(30, 64, 175, 0.18);
  background: rgba(255,255,255,0.75);
  border-radius: 20px;
  padding: 14px;
  width: 100%;
  max-width: 240px;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}
.footer-qrcode .qr-placeholder{
  height: 170px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  font-weight: 900;
  color: #64748b;
  background: #fff;
  border: 2px dashed rgba(30, 64, 175, 0.22);
}
.qr-tip{
  margin-top: 10px;
  color:#64748b;
  font-size: 15px;
}

.footer-contact-list{ display:grid; gap: 14px; }
.fc-item{ display:flex; gap: 10px; align-items:flex-start; }
.fc-label{ min-width: 88px; color:#334155; font-weight: 800; font-size: 16px; }
.fc-value{ color:#0f172a; font-weight: 800; font-size: 16px; }

.footer-contact a.fc-value{
  color: #1d4ed8;
  text-decoration: none;
}
.footer-contact a.fc-value:hover{ text-decoration: underline; }

.footer-line{
  margin-top: 18px;
  height: 2px;
  background: rgba(30, 64, 175, 0.16);
  border-radius: 999px;
}

/* 小屏适配 */
@media (max-width: 980px){
  .footer-grid{
    grid-template-columns: 1fr;
  }
  .footer-qrcode .qr-box{ max-width: 320px; }
}
/* =========================
   Home6 - 更多服务：一行三卡（图一风格，稍小）
   ========================= */

/* 用新的三卡布局替代 2x2 */
.home6 .services-row3{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(230,238,252,.95);
  background:#fff;
}

/* 单卡：比 core-card 小一点，但同风格 */
.home6 .svc-card6{
  padding: 26px 16px 22px;
  text-align: center;
  min-height: 250px; /* 比 core-card 更矮一点 */
  position: relative;
}

/* 分割线：像图一那样一条竖线 */
.home6 .svc-card6 + .svc-card6{
  border-left: 2px solid rgba(230,238,252,.95);
}

.home6 .svc-emoji{
  width: 58px;
  height: 58px;
  border-radius: 20px;
  margin: 0 auto 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 28px;
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: 0 14px 30px rgba(15,23,42,.06);
}

.home6 .svc-card6 h3{
  margin: 0;
  font-size: 26px;
  font-weight: 1100;
  letter-spacing: -0.01em;
  color: #0b1220;
}

.home6 .svc-card6 p{
  margin: 10px 0 16px;
  color: rgba(15,23,42,.62);
  font-size: 16px;
  font-weight: 850;
  line-height: 1.65;
}

/* 合并卡：两个按钮并排 */
.home6 .svc-actions{
  display:flex;
  justify-content:center;
  gap: 10px;
  flex-wrap: wrap;
}

/* 三个卡不同底色（对齐你图一：淡蓝/淡紫/奶油） */
.home6 .svc-card6.wrongbook{
  background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(255,255,255,.92));
}
.home6 .svc-card6.wrongbook .svc-emoji{ background: rgba(37,99,235,.14); }

.home6 .svc-card6.download{
  background: linear-gradient(180deg, rgba(245,158,11,.12), rgba(255,255,255,.92));
}
.home6 .svc-card6.download .svc-emoji{ background: rgba(245,158,11,.16); }

.home6 .svc-card6.combo{
  background: linear-gradient(180deg, rgba(99,102,241,.10), rgba(255,255,255,.92));
}
.home6 .svc-card6.combo .svc-emoji{ background: rgba(99,102,241,.14); }

/* 移动端：三卡变竖排，保留分割线为横线 */
@media (max-width: 980px){
  .home6 .services-row3{
    grid-template-columns: 1fr;
  }
  .home6 .svc-card6 + .svc-card6{
    border-left: none;
    border-top: 1px solid rgba(230,238,252,.95);
  }
}
/* ===== 首页 home6 轮播 ===== */
.home6 #slides .slide .media{
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.home6 #slides .slide:nth-child(1) .media{ background-image: url("/images/banners/1.jpg"); }
.home6 #slides .slide:nth-child(2) .media{ background-image: url("/images/banners/2.jpg"); }
.home6 #slides .slide:nth-child(3) .media{ background-image: url("/images/banners/3.jpg"); }
.home6 #slides .slide:nth-child(4) .media{ background-image: url("/images/banners/1.jpg"); }
.home6 #slides .slide:nth-child(5) .media{ background-image: url("/images/banners/2.jpg"); }