/* ============================================================
   松明学堂 SongMing Academy — 中老年兴趣教育官网
   传统国风设计系统  ·  水墨 / 朱砂 / 宣纸 / 鎏金
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  --ink: #2b2a26;            /* 墨色 - 正文 */
  --ink-soft: #5c5a53;       /* 次级文字 */
  --ink-faint: #8a877e;      /* 弱文字 */
  --paper: #f8f4ec;          /* 宣纸 */
  --paper-deep: #efe7d8;     /* 深浅纸 */
  --paper-card: #fffdf8;     /* 卡片纸 */
  --cinnabar: #a03a2c;       /* 朱砂 - 主色 */
  --cinnabar-deep: #7e2a20;  /* 深朱砂 */
  --cinnabar-soft: rgba(160, 58, 44, 0.08); /* 朱砂极浅底 */
  --gold: #b8913d;           /* 鎏金 */
  --jade: #5f7d68;           /* 青玉 */
  --indigo: #3d4a5d;         /* 青黛 */
  --line: rgba(43, 42, 38, 0.14);  /* 分割细线 */
  --line-strong: rgba(43, 42, 38, 0.28);

  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-kai: 'Kaiti SC', 'KaiTi', 'STKaiti', serif;

  --radius-s: 4px;
  --radius-m: 8px;
  --radius-l: 14px;

  --shadow-card: 0 2px 14px rgba(43, 42, 38, 0.06);
  --shadow-float: 0 8px 30px rgba(43, 42, 38, 0.12);

  --container: 1200px;
  --nav-h: 72px;
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(rgba(43,42,38,0.025) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

/* 选中与滚动条 */
::selection { background: rgba(160, 58, 44, 0.18); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 10px; }
::-webkit-scrollbar-track { background: var(--paper-deep); }

/* ---------- 布局容器 ---------- */
.container {
  width: min(var(--container), 92vw);
  margin: 0 auto;
}

.section { padding: 84px 0; }
.section--deep { background: var(--paper-deep); }
.section--ink { background: linear-gradient(160deg, #2e2c27 0%, #211f1b 100%); color: #ece7da; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 244, 236, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 50%;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 2px 8px rgba(90, 50, 30, 0.18);
}
.brand__logo { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand__name {
  font-family: var(--font-serif);
  font-size: 21px; font-weight: 700; letter-spacing: 1px;
}
.brand__name small {
  display: block;
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 400; letter-spacing: 3px;
  color: var(--ink-faint);
}

.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a {
  position: relative;
  padding: 6px 2px;
  font-size: 15.5px; color: var(--ink);
  transition: color .25s;
}
.nav__links a::after {
  content: "";
  position: absolute; left: 50%; bottom: 0;
  width: 0; height: 2px; background: var(--cinnabar);
  transform: translateX(-50%);
  transition: width .3s;
}
.nav__links a:hover, .nav__links a.active { color: var(--cinnabar); }
.nav__links a:hover::after, .nav__links a.active::after { width: 100%; }

.nav__cta {
  padding: 9px 20px;
  border-radius: var(--radius-s);
  color: var(--paper) !important;
  font-weight: 600; letter-spacing: 1px;
  background: linear-gradient(135deg, var(--cinnabar) 0%, var(--cinnabar-deep) 100%);
  box-shadow: 0 4px 14px rgba(160, 58, 44, 0.32);
}
.nav__cta::after { display: none; }
.nav__cta:hover { filter: brightness(1.08); color: var(--paper) !important; }

.nav__toggle { display: none; border: 0; background: none; }

/* ---------- 汉堡菜单 ---------- */
@media (max-width: 920px) {
  .nav__toggle {
    display: block;
    width: 40px; height: 40px;
    position: relative;
    z-index: 102;
  }
  .nav__toggle span {
    position: absolute; left: 9px; right: 9px; height: 2px;
    background: var(--ink); border-radius: 2px;
    transition: all .3s;
  }
  .nav__toggle span:nth-child(1) { top: 13px; }
  .nav__toggle span:nth-child(2) { top: 19px; }
  .nav__toggle span:nth-child(3) { top: 25px; }
  .nav.open .nav__toggle span:nth-child(1) { top: 19px; transform: rotate(45deg); }
  .nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav__toggle span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

  .nav__links {
    position: fixed; inset: 0;
    background: rgba(248, 244, 236, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column; gap: 18px;
    justify-content: center;
    transform: translateX(100%);
    transition: transform .35s ease;
    z-index: 101;
  }
  .nav.open .nav__links { transform: translateX(0); }
  .nav__links a { font-size: 20px; }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-s);
  font-size: 15.5px; font-weight: 600; letter-spacing: 1.5px;
  border: 1px solid transparent;
  transition: all .25s;
}
.btn--primary {
  color: var(--paper);
  background: linear-gradient(135deg, var(--cinnabar) 0%, var(--cinnabar-deep) 100%);
  box-shadow: 0 6px 18px rgba(160, 58, 44, 0.3);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(160, 58, 44, 0.38); }
.btn--ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--cinnabar); color: var(--cinnabar); transform: translateY(-2px); }
.btn--light {
  color: var(--cinnabar-deep);
  background: var(--paper);
}
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.18); }
.btn--block { width: 100%; }

/* ---------- 区块标题 ---------- */
.section-head { text-align: center; margin-bottom: 54px; }
.section-head__en {
  font-size: 13px; letter-spacing: 5px; text-transform: uppercase;
  color: var(--gold); font-weight: 500;
}
.section-head h2 {
  font-size: clamp(30px, 4vw, 40px);
  margin: 10px 0 16px;
}
.section-head h2 i { font-style: normal; color: var(--cinnabar); }
.section-head__rule {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  color: var(--cinnabar);
  font-size: 13px;
}
.section-head__rule::before,
.section-head__rule::after {
  content: "";
  width: 46px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.section-head__rule::after {
  background: linear-gradient(90deg, var(--gold), transparent);
}
.section-head__sub { color: var(--ink-soft); margin-top: 12px; max-width: 640px; margin-inline: auto; }

/* ============================================================
   首页 · Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(244,238,226,0.9), rgba(239,231,214,0.7)),
    var(--paper-deep);
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 55% 60% at 82% 30%, rgba(184,145,61,0.16), transparent 60%),
    radial-gradient(ellipse 45% 55% at 12% 78%, rgba(93,121,106,0.14), transparent 60%);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  padding: 90px 0 96px;
}
.hero__stamp {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  border-radius: 2px;
  font-size: 13.5px; letter-spacing: 2px;
  background: rgba(248,244,236,0.6);
}
.hero h1 {
  font-size: clamp(40px, 5.4vw, 60px);
  line-height: 1.28;
  margin: 26px 0 8px;
  letter-spacing: 2px;
}
.hero h1 em {
  font-style: normal;
  color: var(--cinnabar);
}
.hero__slogen {
  font-family: var(--font-kai);
  font-size: 21px; color: var(--ink-soft);
  margin-bottom: 22px; letter-spacing: 2px;
}
.hero__desc { color: var(--ink-soft); max-width: 520px; margin-bottom: 34px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__scroll {
  margin-top: 46px;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink-faint); font-size: 13px; letter-spacing: 2px;
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)} }

/* Hero 右侧水墨画幅 */
.hero__art { position: relative; }
.art__frame {
  position: relative;
  padding: 14px;
  background: var(--paper-card);
  box-shadow: var(--shadow-float);
  border: 1px solid var(--line);
}
.art__frame::after {
  content: "";
  position: absolute; inset: 8px;
  border: 1px solid rgba(43,42,38,0.1);
  pointer-events: none;
}
.art__frame .art__inner {
  position: relative;
  aspect-ratio: 4 / 4.6;
  overflow: hidden;
  background: linear-gradient(160deg, #eef0e2 0%, #d8dfc9 60%, #c0cab0 100%);
  display: grid; place-items: center;
}
.art__seal {
  position: absolute; right: 16px; bottom: 16px;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 12px; font-weight: 700;
  background: var(--cinnabar);
  transform: rotate(6deg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.art__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 34px 22px 16px;
  text-align: center;
  font-family: var(--font-kai);
  font-size: 17px; color: #3c4434; letter-spacing: 3px;
  background: linear-gradient(transparent, rgba(216,223,201,0.92));
}

/* ============================================================
   首页 · 数据条
   ============================================================ */
.hero-stats {
  border-bottom: 1px solid var(--line);
  background: var(--paper-card);
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 34px 0;
}
.stat { text-align: center; position: relative; }
.stat + .stat::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 1px; height: 46px; background: var(--line);
  transform: translateY(-50%);
}
.stat b {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.6vw, 40px);
  color: var(--cinnabar);
  display: block; line-height: 1.2;
}
.stat b em { font-style: normal; font-size: 18px; margin-right: 2px; }
.stat span { color: var(--ink-soft); font-size: 14.5px; letter-spacing: 1px; }

/* ============================================================
   首页 · 课程速览
   ============================================================ */
.course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.course-card {
  position: relative;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-float); }
.course-card__img {
  position: relative;
  height: 168px;
  display: grid; place-items: center;
  overflow: hidden;
}
.course-card__img svg { height: 100%; width: 100%; }
.course-card__cat {
  position: absolute; left: 12px; top: 12px;
  padding: 4px 12px;
  font-size: 12.5px; letter-spacing: 1px;
  color: var(--paper);
  background: rgba(43,42,38,0.66);
  border-radius: 2px;
}
.course-card__body { padding: 20px 20px 22px; }
.course-card__body h3 { font-size: 21px; margin-bottom: 8px; }
.course-card__body p { font-size: 14px; color: var(--ink-soft); min-height: 44px; }
.course-card__meta {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13.5px; color: var(--ink-faint);
}
.course-card__more { color: var(--cinnabar); font-weight: 600; }
.course-card__more::after { content: " ›"; }

/* ============================================================
   首页 · 为什么选择
   ============================================================ */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 34px 30px;
  transition: transform .3s, box-shadow .3s;
  text-align: center;
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-float); }
.feature__icon {
  width: 62px; height: 62px;
  margin: 0 auto 20px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--cinnabar);
  background: var(--cinnabar-soft);
  font-size: 26px;
  border: 1px solid rgba(160,58,44,0.25);
}
.feature h3 { font-size: 21px; margin-bottom: 12px; }
.feature p { color: var(--ink-soft); font-size: 14.5px; text-align: left; }

/* ============================================================
   首页 · 师资速览
   ============================================================ */
.teacher-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.teacher-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 30px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.teacher-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-float); }
.teacher-card__avatar {
  width: 92px; height: 92px;
  margin: 0 auto 18px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--paper-deep);
  box-shadow: 0 0 0 1px var(--line-strong);
  display: grid; place-items: center;
  color: var(--ink-faint);
  font-size: 32px;
  background: var(--paper-deep);
}
.teacher-card h3 { font-size: 19px; }
.teacher-card__spec {
  display: inline-block;
  margin: 8px 0 12px;
  padding: 2px 12px;
  font-size: 12.5px; letter-spacing: 1px;
  color: var(--cinnabar);
  border: 1px solid rgba(160,58,44,0.35);
  border-radius: 20px;
}
.teacher-card p { font-size: 13.5px; color: var(--ink-soft); }

/* ============================================================
   首页 · 资讯速览
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-float); }
.news-card__img { height: 172px; display: grid; place-items: center; overflow: hidden; }
.news-card__img svg { height: 100%; width: 100%; }
.news-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-card__tag {
  align-self: flex-start;
  padding: 3px 12px;
  font-size: 12px; letter-spacing: 1px;
  color: var(--gold);
  border: 1px solid rgba(184,145,61,0.5);
  border-radius: 2px;
  margin-bottom: 12px;
}
.news-card__body h3 { font-size: 18px; line-height: 1.6; flex: 1; }
.news-card__meta {
  margin-top: 14px; padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  display: flex; justify-content: space-between;
  font-size: 13px; color: var(--ink-faint);
}

/* ============================================================
   首页 · 报名横幅
   ============================================================ */
.cta-banner {
  background: linear-gradient(120deg, var(--cinnabar) 0%, var(--cinnabar-deep) 100%);
  border-radius: var(--radius-l);
  padding: 58px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  color: var(--paper);
  box-shadow: 0 18px 40px rgba(126, 42, 32, 0.35);
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute; right: -40px; top: -40px;
  width: 200px; height: 200px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
}
.cta-banner::after {
  content: "";
  position: absolute; right: -10px; top: -10px;
  width: 120px; height: 120px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 50%;
}
.cta-banner h2 { color: var(--paper); font-size: clamp(26px, 3vw, 34px); margin-bottom: 10px; }
.cta-banner p { color: rgba(255,255,255,0.88); margin-bottom: 6px; }
.cta-banner .btn { position: relative; z-index: 1; flex-shrink: 0; }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: linear-gradient(170deg, #2e2c27 0%, #201e1a 100%);
  color: #c9c4b6;
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer h4 {
  color: var(--paper);
  font-size: 17px; letter-spacing: 1px;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer h4::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 30px; height: 2px;
  background: var(--gold);
}
.footer__brand .brand__name { color: var(--paper); }
.footer__brand > p { font-size: 14px; color: #a49f90; margin-top: 18px; max-width: 300px; }
.footer ul li { margin-bottom: 12px; }
.footer ul a { font-size: 14.5px; color: #c9c4b6; transition: color .25s; }
.footer ul a:hover { color: var(--gold); }
.footer__contact li { display: flex; gap: 10px; font-size: 14px; color: #b6b1a2; }
.footer__contact li b { color: var(--gold); font-weight: 600; min-width: 48px; }

/* 双公司矩阵 */
.company-matrix {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin-top: 30px; padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.company-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-m);
  padding: 20px 22px;
}
.company-card__role {
  display: inline-block;
  font-size: 12px; letter-spacing: 1px;
  padding: 2px 10px;
  margin-bottom: 10px;
  border-radius: 2px;
}
.company-card--op .company-card__role { color: var(--gold); border: 1px solid rgba(184,145,61,0.6); }
.company-card--svc .company-card__role { color: #9fb6a8; border: 1px solid rgba(95,125,104,0.7); }
.company-card h5 {
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 16px; margin-bottom: 4px;
}
.company-card .en { font-size: 12px; color: #8f8a7b; margin-bottom: 8px; letter-spacing: 0.5px; }
.company-card p { font-size: 13px; color: #a49f90; margin-top: 8px; }

.footer__bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 22px 0;
  font-size: 13px; color: #8f8a7b;
}
.footer__bottom a { color: #a49f90; }
.footer__bottom a:hover { color: var(--gold); }

/* ============================================================
   通用 · 内页页头 Banner
   ============================================================ */
.page-hero {
  position: relative;
  background: linear-gradient(120deg, #efe7d8 0%, #e6dcc6 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  text-align: center;
  padding: 64px 0 58px;
}
.page-hero::after {
  content: "";
  position: absolute; left: 50%; bottom: -70px;
  transform: translateX(-50%);
  font-family: var(--font-kai);
  font-size: 180px; color: rgba(43,42,38,0.04);
  pointer-events: none;
}
.page-hero h1 { font-size: clamp(32px, 4.4vw, 44px); letter-spacing: 2px; }
.page-hero h1 i { font-style: normal; color: var(--cinnabar); }
.page-hero p { color: var(--ink-soft); margin-top: 14px; }
.breadcrumb {
  margin-top: 22px;
  font-size: 13.5px; color: var(--ink-faint); letter-spacing: 1px;
}
.breadcrumb a:hover { color: var(--cinnabar); }
.breadcrumb span { margin: 0 8px; }

/* ============================================================
   通用 · 课程页/列表
   ============================================================ */
.filter-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  padding: 8px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  font-size: 14px; color: var(--ink-soft);
  background: var(--paper-card);
  transition: all .25s;
}
.filter-btn:hover, .filter-btn.active {
  color: var(--paper);
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

/* 课程详情卡片（大图模式） */
.course-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.course-row {
  display: grid; grid-template-columns: 280px 1fr;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.course-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-float); }
.course-row__img { min-height: 210px; display: grid; place-items: center; }
.course-row__img svg { height: 100%; width: 100%; }
.course-row__body { padding: 26px 28px; display: flex; flex-direction: column; }
.course-row__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.course-row__tags span {
  font-size: 12px; padding: 3px 12px;
  border-radius: 2px;
  color: var(--cinnabar); background: var(--cinnabar-soft);
}
.course-row__body h3 { font-size: 22px; margin-bottom: 10px; }
.course-row__body p { font-size: 14.5px; color: var(--ink-soft); flex: 1; }
.course-row__foot {
  margin-top: 18px; padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
  display: flex; justify-content: space-between; align-items: center;
}
.course-row__foot .price { font-family: var(--font-serif); color: var(--cinnabar); font-weight: 700; font-size: 18px; }

/* ============================================================
   通用 · 报名表单
   ============================================================ */
.form-wrap {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 46px;
  box-shadow: var(--shadow-card);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 26px; }
.form-field { display: flex; flex-direction: column; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: 14.5px; margin-bottom: 10px; font-weight: 600; }
.form-field label em { color: var(--cinnabar); font-style: normal; }
.form-field input[type="text"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field select,
.form-field textarea {
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--paper);
  font-family: inherit; font-size: 15px; color: var(--ink);
  transition: border-color .25s, box-shadow .25s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 3px rgba(160,58,44,0.12);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-check { grid-column: 1 / -1; font-size: 14px; color: var(--ink-soft); }
.form-check input { margin-right: 8px; accent-color: var(--cinnabar); transform: translateY(1px); }
.form-submit { grid-column: 1 / -1; }
.form-note {
  margin-top: 18px; font-size: 13px; color: var(--ink-faint);
}
.form-success {
  display: none;
  text-align: center;
  padding: 50px 30px;
}
.form-success.show { display: block; }
.form-success .tick {
  width: 76px; height: 76px; margin: 0 auto 24px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--paper);
  font-size: 34px;
  background: var(--jade);
}
.form-success h3 { font-size: 26px; margin-bottom: 12px; }
.form-success p { color: var(--ink-soft); max-width: 460px; margin: 0 auto; }

/* ============================================================
   通用 · 师资页
   ============================================================ */
.teacher-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.teacher-detail-card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 36px 30px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.teacher-detail-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-float); }
.teacher-detail-card__avatar {
  width: 110px; height: 110px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--paper-deep);
  border: 3px solid var(--paper-card);
  box-shadow: 0 0 0 1px var(--line-strong);
  color: var(--ink-faint);
  font-size: 40px;
}
.teacher-detail-card h3 { font-size: 21px; }
.teacher-detail-card .en { font-size: 12px; color: var(--ink-faint); letter-spacing: 1px; margin-top: 2px; }
.teacher-detail-card__spec {
  display: inline-block;
  margin: 10px 0 14px;
  padding: 3px 16px;
  font-size: 13px;
  color: var(--paper);
  background: var(--cinnabar);
  border-radius: 20px;
}
.teacher-detail-card p { font-size: 14px; color: var(--ink-soft); text-align: left; }
.teacher-detail-card__exp {
  margin-top: 16px; padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  text-align: left;
  font-size: 13.5px; color: var(--ink-soft);
}
.teacher-detail-card__exp b { color: var(--cinnabar); }

/* ============================================================
   通用 · 资讯列表
   ============================================================ */
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.news-row {
  display: grid; grid-template-columns: 240px 1fr;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.news-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-float); }
.news-row__img { min-height: 180px; display: grid; place-items: center; }
.news-row__img svg { height: 100%; width: 100%; }
.news-row__body { padding: 24px 26px; display: flex; flex-direction: column; }
.news-row__cat {
  align-self: flex-start;
  font-size: 12px; padding: 3px 12px;
  color: var(--gold);
  border: 1px solid rgba(184,145,61,0.5);
  border-radius: 2px;
  margin-bottom: 12px;
}
.news-row__body h3 { font-size: 19px; line-height: 1.55; flex: 1; }
.news-row__meta { margin-top: 12px; font-size: 13px; color: var(--ink-faint); }

/* 文章详情页 */
.article {
  max-width: 780px;
  margin: 0 auto;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 54px;
  box-shadow: var(--shadow-card);
}
.article__title { font-size: clamp(26px, 3.4vw, 34px); line-height: 1.5; }
.article__meta {
  display: flex; gap: 20px; flex-wrap: wrap;
  padding: 18px 0; margin: 22px 0 30px;
  border-top: 1px dashed var(--line-strong);
  border-bottom: 1px dashed var(--line-strong);
  font-size: 13.5px; color: var(--ink-faint);
}
.article__body { font-size: 16.5px; line-height: 2.05; }
.article__body h2 { font-size: 24px; margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--cinnabar); }
.article__body h3 { font-size: 20px; margin: 30px 0 12px; }
.article__body p { margin-bottom: 18px; text-align: justify; }
.article__body blockquote {
  margin: 24px 0; padding: 18px 24px;
  background: var(--paper);
  border-left: 4px solid var(--gold);
  color: var(--ink-soft);
  font-family: var(--font-kai);
  font-size: 17px;
}
.back-link { display: inline-block; margin-top: 34px; color: var(--cinnabar); font-weight: 600; }

/* ============================================================
   通用 · 法律政策页
   ============================================================ */
.legal {
  max-width: 860px;
  margin: 0 auto;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 58px 60px;
  box-shadow: var(--shadow-card);
}
.legal__updated {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-faint);
  padding: 6px 16px;
  background: var(--paper);
  border: 1px dashed var(--line-strong);
  border-radius: 2px;
  margin-bottom: 34px;
}
.legal h2 {
  font-size: 24px;
  margin: 44px 0 16px;
  padding: 12px 0 12px 16px;
  border-left: 4px solid var(--cinnabar);
  background: linear-gradient(90deg, var(--cinnabar-soft), transparent 70%);
}
.legal h2:first-of-type { margin-top: 0; }
.legal h3 { font-size: 18.5px; margin: 26px 0 10px; color: var(--ink-soft); }
.legal p, .legal li { font-size: 15.5px; line-height: 2; color: var(--ink); }
.legal p { margin-bottom: 12px; text-align: justify; }
.legal ul, .legal ol { padding-left: 6px; margin-bottom: 16px; }
.legal li { padding-left: 22px; position: relative; margin-bottom: 8px; }
.legal ol { counter-reset: item; }
.legal ol > li { counter-increment: item; }
.legal ol > li::before {
  content: counter(item, cjk-ideographic);
  position: absolute; left: 0; top: 2px;
  color: var(--cinnabar); font-weight: 700;
  font-family: var(--font-serif);
}
.legal ul > li::before {
  content: ""; position: absolute; left: 2px; top: 13px;
  width: 8px; height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}
.legal__highlight {
  background: var(--cinnabar-soft);
  border-left: 4px solid var(--cinnabar);
  padding: 18px 22px;
  margin: 24px 0;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}
.legal__highlight p { margin: 0; color: var(--cinnabar-deep); }
.legal__notice {
  background: var(--cinnabar-soft);
  border: 1px solid rgba(160,58,44,0.3);
  padding: 16px 20px;
  margin: 22px 0;
  border-radius: var(--radius-s);
  font-weight: 600;
  color: var(--cinnabar-deep);
}
.legal__links li { padding-left: 22px; position: relative; margin-bottom: 10px; }
.legal__links li::before {
  content: ""; position: absolute; left: 2px; top: 13px;
  width: 8px; height: 8px;
  background: var(--gold); transform: rotate(45deg);
}
.legal__links a { color: var(--cinnabar); font-weight: 600; }
.legal__links a:hover { text-decoration: underline; }
.legal table { width: 100%; border-collapse: collapse; margin: 18px 0 24px; font-size: 14.5px; }
.legal table th, .legal table td {
  border: 1px solid var(--line);
  padding: 12px 16px; text-align: left;
  line-height: 1.8;
}
.legal table th { background: var(--paper); font-family: var(--font-serif); font-weight: 700; }
.legal .sign-line { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 14.5px; }
.legal .sign-line span { display: block; margin-bottom: 8px; }

/* ============================================================
   通用 · 联系我们（主体页）
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
.contact-info__block {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 34px 32px;
  margin-bottom: 22px;
}
.contact-info__block h3 {
  font-size: 19px; margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.contact-info__block h3::after {
  content: ""; position: absolute; left: 0; bottom: -1px;
  width: 44px; height: 2px; background: var(--cinnabar);
}
.contact-info__row { display: flex; gap: 14px; margin-bottom: 14px; font-size: 15px; }
.contact-info__row .ico { color: var(--cinnabar); font-size: 18px; line-height: 1.4; }
.contact-info__row b { font-weight: 600; }

/* 营业执照/资质区 */
.qualify-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 8px; }
.qualify-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 16px 18px;
  font-size: 13.5px;
  color: var(--ink-soft);
  background: var(--paper);
}
.qualify-card b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 4px; }

/* ============================================================
   进场动画
   ============================================================ */
html.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; scroll-behavior: auto; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .course-grid, .teacher-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .teacher-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .course-list, .news-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; gap: 44px; padding: 56px 0 72px; }
  .hero__art { max-width: 460px; margin: 0 auto; }
  .course-row, .news-row { grid-template-columns: 1fr; }
  .course-row__img, .news-row__img { min-height: 200px; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .legal { padding: 36px 26px; }
  .article { padding: 34px 24px; }
  .company-matrix { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .stat:nth-child(3)::before { display: none; }
  .course-grid, .teacher-grid, .feature-grid, .teacher-detail-grid { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1; }
  .cta-banner { flex-direction: column; text-align: center; padding: 44px 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-wrap { padding: 30px 22px; }
  .filter-bar { justify-content: center; }
  .page-hero { padding: 46px 0 40px; }
}

.master__photo { width: 100%; height: 100%; object-fit: cover; display: block; }