/* ============================================================
   岗位经验内化™ · 多页站点样式
   深棕 #2A1A08 + 琥珀金 #D4A24A 主题（经验萃取 · 知识资产）
   ============================================================ */

:root {
  --ink: #2A1A08;
  --ink-2: #3A2710;
  --ink-3: #4A3418;
  --yellow: #D4A24A;
  --yellow-deep: #B07E2A;
  --yellow-soft: #F8EEDC;
  --orange: #D4A24A;
  --white: #ffffff;
  --gray-50: #f5f5f5;
  --gray-100: #eeeeee;
  --gray-300: #d4d4d4;
  --gray-600: #666666;

  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--yellow-deep); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部主站导航（深紫条，次导航） ---------- */
.topbar {
  background: #1D1206; color: #d9c69a; font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-inner { display: flex; align-items: center; justify-content: flex-end; height: 42px; }
.topbar-nav { display: flex; align-items: center; gap: 4px; }
.topbar-nav > a {
  display: flex; align-items: center;
  padding: 8px 13px; color: #b8b8b8;
  font-size: 13px; font-weight: 400; white-space: nowrap;
  transition: color 0.15s ease;
}
.topbar-nav > a:hover { color: #fff; background: transparent; }
.topbar-nav > a.active { color: #fff; font-weight: 600; }

/* ---------- 头部导航 ---------- */
.site-header {
  background: var(--white);
  border-bottom: 2px solid var(--ink);
  position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 40px; width: auto; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text .bt-name { font-size: 17px; font-weight: 800; color: var(--ink); }
.brand-text .bt-sub { font-size: 12px; font-weight: 600; color: var(--yellow-deep); letter-spacing: 1px; }

.nav { display: flex; align-items: center; gap: 8px; }
.nav > a {
  display: flex; align-items: center; gap: 5px;
  padding: 10px 16px; color: var(--ink);
  font-size: 15px; font-weight: 500; white-space: nowrap;
  position: relative; transition: color 0.15s ease;
}
.nav > a:hover { color: var(--yellow-deep); background: transparent; }
.nav > a.active { color: var(--yellow-deep); font-weight: 700; }
.nav > a.active::after {
  content: ""; position: absolute; bottom: 4px; left: 16px; right: 16px;
  height: 2px; background: var(--yellow); border-radius: 2px;
}

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 2px solid var(--ink);
  border-radius: 8px; background: #fff; cursor: pointer; flex-direction: column;
  align-items: center; justify-content: center; gap: 4px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  font-size: 15px; font-weight: 600; cursor: pointer; border: 2px solid transparent;
  transition: all 0.15s ease; text-align: center;
}
.btn-primary { background: var(--ink); color: var(--yellow); border-color: var(--ink); }
.btn-primary:hover { background: var(--ink-2); color: var(--yellow); }
.btn-yellow { background: var(--yellow); color: var(--ink); border-color: var(--yellow); }
.btn-yellow:hover { background: var(--yellow-deep); border-color: var(--yellow-deep); color: var(--ink); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--yellow); }

/* ---------- Hero ---------- */
.hero { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -120px; right: -80px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(212, 162, 74, 0.16) 0%, rgba(212, 162, 74, 0) 68%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; bottom: -140px; left: -100px; width: 440px; height: 440px;
  background: radial-gradient(circle, rgba(212, 162, 74, 0.10) 0%, rgba(212, 162, 74, 0) 68%);
  pointer-events: none;
}
.hero-inner {
  padding: 60px 0; position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; min-height: 480px;
}
.hero-left { max-width: 900px; text-align: center; }
.hero .hero-eyebrow {
  display: inline-block; font-size: 14px; letter-spacing: 2px; color: var(--ink);
  background: var(--yellow); padding: 8px 24px; font-weight: 700;
  clip-path: polygon(3% 0, 100% 0, 97% 100%, 0 100%); margin-bottom: 22px;
  border-radius: 4px;
}
.hero h1 {
  font-size: 72px; line-height: 1.06; font-weight: 900;
  letter-spacing: 2px; color: #fff;
}
.hero-divider { display: none; }
.hero-sub { margin-top: 18px; font-size: 20px; color: var(--yellow); line-height: 1.4; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; gap: 18px; }
.hero-sub::before, .hero-sub::after { content: ""; width: 72px; height: 1.5px; background: rgba(212, 162, 74, 0.55); flex-shrink: 0; }
.hero-desc { margin-top: 16px; font-size: 17px; color: #d4d4d4; line-height: 1.7; max-width: 760px; margin-left: auto; margin-right: auto; }
.hero-actions { margin-top: 28px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.hero-actions .btn-ghost { background: transparent; color: var(--yellow); border-color: var(--yellow); }
.hero-actions .btn-ghost:hover { background: var(--yellow); color: var(--ink); }

/* ---------- 通用 Section ---------- */
.section { padding: 76px 0; position: relative; overflow: hidden; }
.section.alt { background: var(--gray-50); }
.section.ink { background: var(--ink); color: #fff; }
.section.ink .sec-head h2 { color: var(--yellow); }
.section.ink .sec-head p { color: #d4d4d4; }
.section.yellow { background: var(--yellow); color: var(--ink); }
.section.yellow .sec-head h2 { color: var(--ink); }
.section.yellow .sec-head .tag { background: var(--ink); color: var(--yellow); }

.sec-head {
  max-width: 760px; margin: 0 auto 48px; text-align: center;
  position: relative; z-index: 2;
}
.sec-head .tag {
  display: inline-block; font-size: 13px; letter-spacing: 2px; color: var(--ink);
  background: var(--yellow); padding: 5px 14px; font-weight: 700;
  clip-path: polygon(4% 0, 100% 0, 96% 100%, 0 100%);
  margin-bottom: 14px;
}
.sec-head h2 { font-size: 32px; font-weight: 800; color: var(--ink); line-height: 1.3; }
.sec-head p { margin-top: 14px; color: var(--gray-600); font-size: 16px; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1.5px solid var(--ink);
  border-radius: var(--radius); padding: 26px; transition: all 0.2s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card .ico {
  width: auto; min-width: 52px; height: 52px; border-radius: 12px; background: var(--yellow);
  color: var(--ink); display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; margin-bottom: 16px; padding: 0 16px;
  white-space: nowrap; letter-spacing: 0.5px;
}
.card h3 { font-size: 18px; font-weight: 700; color: var(--ink); }
.card p { margin-top: 10px; font-size: 14px; color: var(--gray-600); }
.core-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--yellow); color: var(--ink);
  font-size: 14px; font-weight: 800; padding: 8px 16px;
  border-radius: 8px; margin-bottom: 16px; white-space: nowrap;
}
.core-badge .core-num { font-weight: 800; }

.card.big { text-align: center; padding: 34px 26px; }
.card.big .big-num { font-size: 42px; font-weight: 900; color: var(--yellow-deep); line-height: 1.1; }
.card.big .big-num .u { font-size: 18px; font-weight: 800; margin-left: 4px; }
.card.big h3 { margin-top: 10px; font-size: 20px; }
.card.big p { max-width: 330px; margin-left: auto; margin-right: auto; }

/* ---------- 页面内 Banner ---------- */
.page-banner {
  background: var(--ink); color: #fff; padding: 60px 0;
  position: relative; overflow: hidden;
}
.page-banner::after {
  content: ""; position: absolute; bottom: 0; right: 0;
  width: 220px; height: 220px; background: var(--yellow);
  clip-path: polygon(100% 0, 100% 100%, 0 100%); opacity: 0.85;
}
.page-banner h1 { font-size: 40px; font-weight: 800; position: relative; z-index: 2; }
.page-banner .crumb { margin-top: 12px; font-size: 15px; color: #d4d4d4; position: relative; z-index: 2; }
.page-banner .crumb a { color: var(--yellow); }
.page-banner .banner-sub { margin-top: 14px; font-size: 16px; color: #d4d4d4; max-width: 720px; position: relative; z-index: 2; line-height: 1.8; }

/* ---------- 痛点卡片 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pain-card {
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius); padding: 24px 20px;
}
.pain-card .pain-num { font-size: 30px; font-weight: 900; color: var(--yellow); line-height: 1; }
.pain-card h3 { margin-top: 14px; font-size: 18px; font-weight: 700; color: #fff; }
.pain-card p { margin-top: 10px; font-size: 13px; color: #d4d4d4; line-height: 1.7; }

/* ---------- 对比表 ---------- */
.compare-table { border: 1.5px solid var(--ink); border-radius: var(--radius); overflow: hidden; }
.compare-row { display: grid; grid-template-columns: 0.8fr 1.6fr 1.6fr; }
.compare-row:not(:last-child) .compare-cell { border-bottom: 1px solid var(--gray-100); }
.compare-cell { padding: 16px 20px; font-size: 14px; display: flex; align-items: center; }
.compare-cell strong { color: var(--ink); }
.compare-row--head .compare-cell { background: var(--ink); color: #fff; font-weight: 700; font-size: 15px; }
.compare-cell--label { background: var(--gray-50); font-weight: 700; color: var(--ink); }
.compare-cell--ai { background: var(--yellow-soft); color: var(--ink); }
.compare-cell--ai strong { color: var(--yellow-deep); }
.compare-cell--trad { color: var(--gray-600); }

/* ---------- 三线并行 ---------- */
.triple-line { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 16px; align-items: stretch; }
.triple-line__col {
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(212, 162, 74, 0.35);
  border-radius: var(--radius); padding: 26px 22px; text-align: center;
}
.triple-line__icon { font-size: 30px; }
.triple-line__label { margin-top: 10px; font-size: 12px; letter-spacing: 2px; color: var(--yellow); font-weight: 700; }
.triple-line__title { margin-top: 6px; font-size: 19px; font-weight: 800; color: #fff; }
.triple-line__desc { margin-top: 10px; font-size: 13px; color: #d4d4d4; line-height: 1.7; }
.triple-line__plus { align-self: center; font-size: 28px; font-weight: 900; color: var(--yellow); }

.method-formula { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; }
.method-formula__part { padding: 12px 20px; border-radius: 8px; font-size: 16px; font-weight: 700; }
.method-formula__part--red { background: var(--yellow); color: var(--ink); }
.method-formula__part--dark { background: transparent; color: var(--yellow); font-size: 22px; }
.method-formula__part--muted { background: transparent; color: #d4d4d4; font-size: 22px; }
.method-formula__part--semibold { background: rgba(255, 255, 255, 0.08); color: #fff; border: 1px solid rgba(212, 162, 74, 0.35); }

/* ---------- 成果九宫格 ---------- */
.outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.outcome-card {
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radius);
  position: relative; transition: all 0.2s ease; overflow: hidden;
  display: flex; flex-direction: column;
}
.outcome-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.outcome-card .o-body { padding: 22px 24px; flex: 1; }
.outcome-card .o-num {
  display: inline-block; font-size: 13px; font-weight: 800; color: var(--yellow-deep);
  background: var(--yellow-soft); padding: 3px 12px; border-radius: 20px; margin-bottom: 10px;
}
.outcome-card h3 { font-size: 16px; font-weight: 700; color: var(--ink); }
.outcome-card p { margin-top: 8px; font-size: 13px; color: var(--gray-600); line-height: 1.7; }

/* ---------- 价值网格 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card {
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radius);
  padding: 26px; transition: all 0.2s ease;
}
.value-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.value-card .v-num { font-size: 13px; font-weight: 800; color: var(--yellow-deep); letter-spacing: 1px; }
.value-card h3 { margin-top: 10px; font-size: 18px; font-weight: 700; color: var(--ink); }
.value-card p { margin-top: 10px; font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ---------- 六步流程 ---------- */
.course-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.course-step {
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radius);
  padding: 24px; transition: all 0.2s ease;
}
.course-step:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.course-step__head { display: flex; align-items: center; gap: 12px; }
.course-step__num {
  flex: 0 0 auto; width: 48px; height: 48px; border-radius: 50%;
  background: var(--yellow); color: var(--ink); font-weight: 800; font-size: 15px;
  display: flex; align-items: center; justify-content: center; flex-direction: column; line-height: 1;
}
.course-step__num small { font-size: 9px; font-weight: 700; }
.course-step__title { font-size: 19px; font-weight: 800; color: var(--ink); }
.course-step__ratio {
  margin-left: auto; font-size: 12px; font-weight: 700; color: var(--yellow-deep);
  background: var(--yellow-soft); padding: 4px 12px; border-radius: 20px; white-space: nowrap;
}
.course-step__lines { margin-top: 18px; display: grid; gap: 8px; }
.course-step__line { display: flex; gap: 10px; font-size: 13px; color: var(--gray-600); line-height: 1.6; }
.course-step__line-label {
  flex: 0 0 auto; font-weight: 700; color: var(--ink); font-size: 12px;
  padding: 1px 8px; border-radius: 6px; background: var(--gray-100);
}
.course-step__line--ai .course-step__line-label { background: var(--yellow); color: var(--ink); }
.course-step__output {
  margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--gray-300);
  font-size: 13px; font-weight: 700; color: var(--yellow-deep);
}

/* ---------- 师资卡（矩形竖版形象照） ---------- */
.teacher-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1080px) { .teacher-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 820px) { .teacher-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .teacher-grid { grid-template-columns: 1fr; } }

/* 卡片外层链接（整卡可点击，去掉下划线） */
.teacher-link {
  display: block; text-decoration: none; color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.teacher-link:hover { transform: translateY(-4px); }
.teacher-link:hover .teacher-card { box-shadow: var(--shadow); border-color: var(--yellow-deep); }
.teacher-link:hover .teacher-card .t-title { color: var(--ink); }
.teacher-link:focus-visible { outline: 2px solid var(--yellow-deep); outline-offset: 2px; }

.teacher-card {
  display: flex; flex-direction: column;
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radius);
  overflow: hidden; transition: all 0.2s ease;
}
.teacher-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

/* 完整竖版形象照：固定高度 + 顶部对齐，裁掉下方留白 */
.teacher-card .t-photo {
  width: 100%; height: 300px; flex-shrink: 0; overflow: hidden;
  background: var(--gray-100); border-bottom: 1.5px solid var(--ink);
}
.teacher-card .t-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block;
}
@media (max-width: 1080px) { .teacher-card .t-photo { height: 320px; } }
@media (max-width: 820px) { .teacher-card .t-photo { height: 340px; } }
@media (max-width: 560px) { .teacher-card .t-photo { height: 360px; } }

/* 讲师照片占位（无照片时的首字占位） */
.teacher-card .t-photo-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  font-size: 96px; font-weight: 800; color: var(--ink);
  background: linear-gradient(160deg, var(--yellow) 0%, var(--yellow-deep) 100%);
}

/* 信息区（居中） */
.teacher-card .t-info { padding: 20px 16px 24px; text-align: center; }
.teacher-card .t-name { font-size: 18px; font-weight: 800; color: var(--ink); line-height: 1.2; }
.teacher-card .t-title { margin-top: 8px; font-size: 13px; font-weight: 700; color: var(--yellow-deep); }

/* ---------- 案例卡 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-card {
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radius);
  padding: 26px; transition: all 0.2s ease;
}
.case-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.case-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.case-card__name { font-size: 20px; font-weight: 800; color: var(--ink); }
.case-card__industry {
  font-size: 12px; font-weight: 700; color: var(--yellow-deep);
  background: var(--yellow-soft); padding: 3px 12px; border-radius: 20px; white-space: nowrap;
}
.case-card__pain { margin-top: 12px; font-size: 14px; color: var(--gray-600); line-height: 1.7; }
.case-card__data { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.case-card__data-item {
  text-align: center; padding: 14px 8px; border: 1px solid var(--gray-100);
  border-radius: 10px; background: var(--gray-50);
}
.case-card__data-num { font-size: 22px; font-weight: 900; color: var(--yellow-deep); line-height: 1.1; }
.case-card__data-label { margin-top: 4px; font-size: 12px; color: var(--gray-600); }
.case-card__quote {
  margin-top: 16px; font-size: 13px; color: var(--gray-600); font-style: italic;
  border-left: 3px solid var(--yellow); padding-left: 12px; line-height: 1.6;
}

/* ============ 独立设计：案例图库 + 影像墙 + 视频 ============ */
/* 案例详情块：头图 + 数据 + 图库 */
.case-detail {
  background: var(--white); border: 1.5px solid var(--ink); border-radius: 16px;
  overflow: hidden; margin-bottom: 48px;
}
.case-detail__body { padding: 36px 40px; }
.case-detail__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.case-detail__name { font-size: 26px; font-weight: 800; color: var(--ink); }
.case-detail__industry {
  display: inline-block; margin-top: 8px; font-size: 13px; font-weight: 600; color: var(--yellow-deep);
  background: var(--yellow-soft); padding: 4px 14px; border-radius: 20px;
}
.case-detail__pain { margin-top: 16px; font-size: 15px; color: var(--gray-600); line-height: 1.8; max-width: 760px; }
.case-detail__data {
  margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap;
}
.case-detail__data-item {
  flex: 1 1 140px; background: var(--yellow-soft); border-radius: 12px;
  padding: 16px 20px; text-align: center; border: 1px solid rgba(212,162,74,0.25);
}
.case-detail__data-num { font-size: 26px; font-weight: 900; color: var(--yellow-deep); line-height: 1.1; }
.case-detail__data-label { margin-top: 5px; font-size: 13px; color: var(--gray-600); }
.case-detail__quote {
  margin-top: 22px; font-size: 14px; color: var(--ink); line-height: 1.8;
  background: var(--gray-50); border-left: 4px solid var(--yellow);
  padding: 16px 20px; border-radius: 8px;
}

/* 图库网格 */
.gallery-grid {
  margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.gallery-item {
  position: relative; overflow: hidden; border-radius: 10px; cursor: pointer;
  background: var(--gray-100); border: 1px solid var(--gray-100);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.gallery-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.gallery-item img { width: 100%; height: 180px; object-fit: cover; display: block; }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

/* 影像墙（仪式区块） */
.media-band {
  background: var(--ink); color: #fff; border-radius: 16px;
  padding: 48px 40px; margin-bottom: 48px;
}
.media-band__head { text-align: center; margin-bottom: 32px; }
.media-band__head h2 { font-size: 28px; font-weight: 800; color: var(--yellow); }
.media-band__head p { margin-top: 10px; font-size: 15px; color: #c9b89a; }
.media-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.media-item {
  position: relative; overflow: hidden; border-radius: 10px; cursor: pointer;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(212,162,74,0.25);
  transition: transform 0.2s ease;
}
.media-item:hover { transform: translateY(-3px); }
.media-item img { width: 100%; height: 160px; object-fit: cover; display: block; }
.media-item video { width: 100%; height: 160px; object-fit: cover; display: block; }
.media-item__label {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff; font-size: 13px; font-weight: 600; padding: 20px 12px 10px;
}
.media-item--video .media-item__label::before { content: "▶ "; color: var(--yellow); }
@media (max-width: 900px) { .media-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .media-grid { grid-template-columns: 1fr; } }

/* 服务企业 logo 墙 */
.logo-wall {
  margin-top: 8px;
}
.logo-wall__head { text-align: center; margin-bottom: 28px; }
.logo-wall__head h2 { font-size: 26px; font-weight: 800; color: var(--ink); }
.logo-wall__head p { margin-top: 8px; font-size: 14px; color: var(--gray-600); }
.logo-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px;
}
.logo-cell {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  padding: 18px 14px; height: 84px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.logo-cell:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(212,162,74,0.4); }
.logo-cell img { max-width: 100%; max-height: 56px; width: auto; height: auto; object-fit: contain; }
@media (max-width: 1024px) { .logo-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 620px) { .logo-grid { grid-template-columns: repeat(3, 1fr); } }

/* 光箱（点击看大图/视频） */
.lightbox {
  position: fixed; inset: 0; z-index: 9999; display: none;
  align-items: center; justify-content: center;
  background: rgba(0,0,0,0.88); padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox__media { max-width: 92vw; max-height: 88vh; border-radius: 8px; object-fit: contain; }
.lightbox video.lightbox__media { width: 90vw; max-height: 80vh; }
.lightbox__close {
  position: absolute; top: 20px; right: 28px;
  background: none; border: none; color: #fff; font-size: 40px; line-height: 1;
  cursor: pointer; font-weight: 300;
}
.lightbox__close:hover { color: var(--yellow); }
.lightbox__caption {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  color: #ccc; font-size: 14px; text-align: center; max-width: 80vw;
}

/* ---------- 套餐卡 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.pricing-card {
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radius);
  padding: 30px 26px; display: flex; flex-direction: column; position: relative;
}
.pricing-card--featured { background: var(--ink); color: #fff; border-color: var(--ink); }
.pricing-card__badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--yellow); color: var(--ink); font-size: 12px; font-weight: 800;
  padding: 4px 16px; border-radius: 20px; white-space: nowrap;
}
.pricing-card__name { font-size: 22px; font-weight: 800; }
.pricing-card--featured .pricing-card__name { color: var(--yellow); }
.pricing-card__desc { margin-top: 6px; font-size: 14px; color: var(--gray-600); }
.pricing-card--featured .pricing-card__desc { color: #d4d4d4; }
.pricing-card__features { margin-top: 20px; display: grid; gap: 10px; flex: 1; }
.pricing-card__features li {
  font-size: 14px; color: var(--gray-600); padding-left: 18px; position: relative; line-height: 1.6;
}
.pricing-card__features li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--yellow-deep);
}
.pricing-card--featured .pricing-card__features li { color: #d4d4d4; }
.pricing-card__btn { margin-top: 24px; }

/* ---------- 步骤 / 流程（通用横向） ---------- */
.steps { display: grid; gap: 18px; position: relative; z-index: 2; }
.step {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--white); border: 1.5px solid var(--ink);
  border-radius: var(--radius); padding: 22px 26px;
}
.step .step-num {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%;
  background: var(--yellow); color: var(--ink); font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 17px; font-weight: 700; color: var(--ink); }
.step p { font-size: 14px; color: var(--gray-600); margin-top: 6px; }

/* ---------- FAQ ---------- */
.faq-item {
  border: 1.5px solid var(--ink); border-radius: var(--radius);
  margin-bottom: 14px; overflow: hidden; background: var(--white);
}
.faq-q {
  width: 100%; text-align: left; background: var(--white); border: none;
  padding: 18px 22px; font-size: 16px; font-weight: 700; color: var(--ink);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-q .arrow { color: var(--ink); font-size: 20px; transition: transform 0.2s ease; font-weight: 700; }
.faq-item.open .arrow { transform: rotate(45deg); color: var(--yellow-deep); }
.faq-a { display: none; padding: 0 22px 20px; font-size: 14px; color: var(--gray-600); line-height: 1.8; }
.faq-item.open .faq-a { display: block; }

/* ---------- 表单 ---------- */
.form-panel {
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radius);
  padding: 32px;
}
.form-panel h3 { font-size: 22px; font-weight: 800; color: var(--ink); }
.form-panel .f-hint { font-size: 13px; color: var(--gray-600); margin: 6px 0 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray-300); border-radius: 8px;
  font-size: 15px; font-family: inherit; color: var(--ink); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ink);
}

/* ---------- 微信浮窗 ---------- */
.wechat-float {
  position: fixed; right: 22px; bottom: 90px; z-index: 200;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--yellow); color: var(--ink);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}
.wechat-float .w-tip {
  position: absolute; right: 68px; top: 50%; transform: translateY(-50%);
  background: #fff; color: var(--ink); border: 1.5px solid var(--ink);
  border-radius: 8px; padding: 10px; white-space: nowrap; font-size: 12px;
  display: none; box-shadow: var(--shadow);
}
.wechat-float:hover .w-tip { display: block; }

/* ---------- 咨询弹窗 ---------- */
.consult-modal {
  position: fixed; inset: 0; z-index: 400;
  display: none; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, 0.55); padding: 20px;
}
.consult-modal.open { display: flex; }
.consult-modal__box {
  width: 100%; max-width: 420px; background: #fff; border-radius: 16px;
  padding: 44px 32px 36px; position: relative; text-align: center;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
  animation: consultIn 0.25s ease;
}
@keyframes consultIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.consult-modal__close {
  position: absolute; top: 14px; right: 16px; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; color: #999; font-size: 22px; line-height: 1;
  cursor: pointer; transition: color 0.2s; border-radius: 50%;
}
.consult-modal__close:hover { color: var(--ink); }
.consult-modal__icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--yellow-soft); color: var(--yellow-deep);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
}
.consult-modal__title { font-size: 20px; font-weight: 800; color: var(--ink); margin-bottom: 14px; }
.consult-modal__text { font-size: 15px; color: var(--gray-600); line-height: 1.8; margin-bottom: 18px; }
.consult-modal__contact {
  font-size: 16px; color: var(--ink); font-weight: 600; margin-bottom: 22px;
}
.consult-modal__contact a { color: var(--yellow-deep); font-weight: 800; font-size: 17px; }
.consult-modal__contact a:hover { color: var(--yellow); }
.consult-modal__qr { width: 180px; margin: 0 auto 12px; }
.consult-modal__tip { font-size: 13px; color: var(--gray-600); }

/* ---------- 底部 ---------- */
.site-footer {
  background: var(--ink); color: #d4d4d4; padding: 56px 0 0;
  position: relative; overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 180px; height: 180px; background: var(--yellow);
  clip-path: polygon(0 0, 100% 0, 0 100%); opacity: 0.85;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 34px;
  padding-bottom: 40px; position: relative; z-index: 2;
}
.site-footer h4 { color: var(--yellow); font-size: 16px; margin-bottom: 16px; font-weight: 700; }
.site-footer a { color: #d4d4d4; font-size: 14px; }
.site-footer a:hover { color: var(--yellow); }
.site-footer .f-links li { margin-bottom: 10px; }
.site-footer .f-desc { font-size: 13px; color: #999; margin-top: 14px; line-height: 1.8; }
.site-footer .f-contact li { font-size: 14px; margin-bottom: 10px; }
.site-footer .f-contact .hl { color: var(--yellow); font-weight: 700; }
.footer-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 18px 0; font-size: 13px;
  color: #999; text-align: center; position: relative; z-index: 2;
}
.footer-bar a { color: #999; }

/* ---------- CTA ---------- */
.cta-band {
  background: var(--ink); color: #fff; border-radius: var(--radius);
  padding: 48px 44px; display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; position: relative; z-index: 2;
}
.cta-band h2 { font-size: 26px; font-weight: 800; }
.cta-band h2 .accent { color: var(--yellow); }
.cta-band p { color: #d4d4d4; margin-top: 8px; font-size: 15px; }
.cta-band .cta-phone { color: var(--yellow); font-size: 30px; font-weight: 800; }

/* ---------- 信任数字条 ---------- */
.quick-facts {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 24px;
}
.fact {
  text-align: center; padding: 18px 12px; background: var(--white);
  border: 1.5px solid var(--ink); border-radius: var(--radius);
}
.fact .n { font-size: 28px; font-weight: 900; color: var(--yellow-deep); line-height: 1.1; }
.fact .l { font-size: 13px; color: var(--gray-600); margin-top: 6px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .grid-4, .value-grid, .outcome-grid, .teacher-grid, .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 54px; line-height: 1.05; }
  .hero-sub { font-size: 20px; margin-top: 14px; }
  .hero-desc { font-size: 17px; margin-top: 12px; }
  .hero-eyebrow { font-size: 14px; padding: 8px 24px; margin-bottom: 18px; }
  .hero-actions { margin-top: 22px; }
  .triple-line { grid-template-columns: 1fr; }
  .triple-line__plus { transform: rotate(90deg); }
  .compare-row { grid-template-columns: 1fr; }
  .compare-cell { border-bottom: 1px solid var(--gray-100) !important; }
  .course-steps { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    border-bottom: 2px solid var(--ink); padding: 12px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; border-bottom: 1px solid var(--gray-100); }
  .nav a.active::after { display: none; }
  .grid-2, .grid-3, .grid-4, .value-grid, .outcome-grid, .teacher-grid, .pain-grid, .course-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar-inner .top-addr { display: none; }
  .hero h1 { font-size: 36px; letter-spacing: 1px; line-height: 1.05; }
  .hero-sub { font-size: 17px; margin-top: 12px; }
  .hero-desc { font-size: 15px; line-height: 1.7; margin-top: 10px; }
  .hero-eyebrow { font-size: 13px; padding: 7px 20px; letter-spacing: 1px; margin-bottom: 16px; }
  .hero-actions { margin-top: 20px; }
  .hero-inner { min-height: auto; padding: 44px 0 52px; }
  .cta-band { padding: 32px 24px; }
  .cta-band .cta-phone { font-size: 22px; }
  .quick-facts { grid-template-columns: repeat(2, 1fr); }
  .method-formula { gap: 6px; }
  .method-formula__part { padding: 8px 12px; font-size: 14px; }
}

/* ---------- 移动端底部常驻操作条 ---------- */
.sticky-bar { display: none; }
@media (max-width: 768px) {
  .sticky-bar {
    display: grid;
    grid-template-columns: 1fr 1fr 1.4fr;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 300;
    background: #fff; border-top: 2px solid var(--ink);
  }
  .sticky-bar a {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 14px 0; font-size: 14px; font-weight: 700; color: var(--ink);
    border-right: 1px solid var(--gray-100);
  }
  .sticky-bar a:last-child { border-right: none; }
  .sticky-bar a.apply { background: var(--yellow); color: var(--ink); }
  body { padding-bottom: 56px; }
}

/* ---------- 免责声明 ---------- */
.notice {
  font-size: 12px; color: #999; line-height: 1.8; padding: 14px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 14px;
}

/* ---------- 课程大纲（三线并行详细步骤） ---------- */
.outline-step {
  background: var(--white); border: 1.5px solid var(--ink);
  border-radius: var(--radius); padding: 28px; margin-bottom: 22px;
}
.outline-step__head {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 2px dashed var(--gray-300);
}
.outline-step__num {
  flex: 0 0 auto; background: var(--yellow); color: var(--ink);
  font-weight: 800; padding: 6px 14px; border-radius: 8px; font-size: 14px;
}
.outline-step__title { font-size: 21px; font-weight: 800; color: var(--ink); }
.outline-step__ratio {
  font-size: 12px; font-weight: 700; color: var(--yellow-deep);
  background: var(--yellow-soft); padding: 4px 12px; border-radius: 20px; white-space: nowrap;
}
.outline-step__output {
  margin-left: auto; font-size: 13px; font-weight: 700; color: var(--ink);
  background: var(--ink); color: var(--yellow); padding: 5px 14px; border-radius: 20px; white-space: nowrap;
}
.outline-step__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.outline-col {
  background: var(--gray-50); border-radius: 10px; padding: 18px;
}
.outline-col--ai { background: var(--yellow-soft); }
.outline-col__title {
  font-size: 13px; font-weight: 800; color: var(--ink); margin-bottom: 12px; letter-spacing: 0.5px;
}
.outline-col--ai .outline-col__title { color: var(--yellow-deep); }
.outline-col ul li {
  font-size: 13px; color: var(--gray-600); line-height: 1.7;
  padding-left: 14px; position: relative; margin-bottom: 7px;
}
.outline-col ul li:last-child { margin-bottom: 0; }
.outline-col ul li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--yellow-deep);
}
.outline-col ul li b { color: var(--ink); font-weight: 700; }

@media (max-width: 900px) {
  .outline-step__cols { grid-template-columns: 1fr; }
}