/* ============================================================
   苹果智云 · 培训中心 / 考试 / 产品中心 样式
   设计语言：青碧云感 · 高端大气（渐变、光晕、玻璃拟态、大数字）
   ============================================================ */
:root {
  --tr-brand: #FF6600;
  --tr-brand2: #D64000;
  --tr-gold: #FF6600;
  /* 浅底文字强调色：浅底上需 ≥4.5:1 */
  --tr-accent-ink: #B33A00;
  --tr-ink: #1D2129;
  --tr-ink2: #3A3F45;
  --tr-ink3: #565E66;
  --tr-bg: #FFFFFF;
  --tr-bg2: #F7F9FC;
  --tr-card: #FFFFFF;
  --tr-paper: #FFFFFF;
  --tr-line: #E5E9EF;
}

/* ---------- 培训 Hero ---------- */
.tr-hero {
  position: relative;
  padding: 72px 0 64px;
  overflow: hidden;
}
.tr-hero::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(620px 320px at 85% 10%, rgba(255, 102, 0, 0.14), transparent 65%),
    radial-gradient(520px 300px at 8% 90%, rgba(176, 135, 46, 0.10), transparent 65%),
    linear-gradient(180deg, #FFF6EE, var(--tr-bg));
}
.tr-hero-inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 860px) { .tr-hero-inner { grid-template-columns: 1fr; gap: 40px; } }
.tr-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2px; color: var(--tr-accent-ink); font-weight: 600;
  background: rgba(255, 102, 0, 0.09); border: 1px solid rgba(255, 102, 0, 0.30);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.tr-hero h1 {
  font-size: clamp(34px, 4.6vw, 54px); line-height: 1.16; font-weight: 800;
  color: var(--tr-ink); letter-spacing: 1px;
}
.tr-hero h1 em { font-style: normal; color: var(--tr-brand); }
.tr-hero h1 .grad {
  background: linear-gradient(110deg, var(--tr-brand), var(--tr-brand2) 60%, var(--tr-gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tr-hero .sub { margin-top: 20px; color: var(--tr-ink2); font-size: 16px; line-height: 1.9; max-width: 560px; }
.tr-cta { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
.tr-btn-solid, .tr-btn-line {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 13px; padding: 14px 30px; font-size: 15px; font-weight: 700; transition: all .25s;
}
.tr-btn-solid {
  background: linear-gradient(120deg, var(--tr-brand2), var(--tr-brand));
  color: #fff; box-shadow: 0 10px 30px rgba(214, 64, 0, 0.35);
}
.tr-btn-solid:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(14, 95, 110, 0.45); }
.tr-btn-line { border: 1.5px solid var(--tr-line); color: var(--tr-ink); background: var(--tr-paper); }
.tr-btn-line:hover { border-color: var(--tr-brand); color: var(--tr-brand); transform: translateY(-2px); }
.tr-trust { margin-top: 30px; display: flex; gap: 28px; flex-wrap: wrap; }
.tr-trust .t { display: flex; align-items: baseline; gap: 8px; font-size: 13px; color: var(--tr-ink3); }
.tr-trust .t b {
  font-family: var(--font-en); font-size: 22px; font-weight: 700;
  background: linear-gradient(120deg, var(--tr-brand), var(--tr-brand2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Hero 右侧视觉卡 */
.tr-hero-visual { position: relative; }
.tr-viz-card {
  background: rgba(255,255,255,0.86); backdrop-filter: blur(10px);
  border: 1px solid var(--tr-line); border-radius: 22px;
  box-shadow: 0 30px 70px rgba(16, 24, 26, 0.12);
  overflow: hidden;
}
.tr-viz-head {
  display: flex; align-items: center; gap: 10px; padding: 14px 20px;
  background: linear-gradient(120deg, #FF6600, #FF8F4D);
  color: #FFFFFF; font-size: 14px; font-weight: 600;
}
.tr-viz-head .dot { width: 9px; height: 9px; border-radius: 50%; background: #FFFFFF; box-shadow: 0 0 10px rgba(255,255,255,0.8); }
/* 橙色渐变底上不能放浅灰小字（原 #C7CCD0 仅 1.8:1），改为白底深橙字 */
.tr-viz-head .tag { margin-left: auto; font-size: 11px; font-weight: 700; color: #B33A00; background: #FFFFFF; padding: 3px 11px; border-radius: 999px; }
.tr-viz-body { padding: 22px 24px; }
.tr-viz-item { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.tr-viz-item b { font-size: 14px; color: var(--tr-ink); }
.tr-viz-item span { font-size: 12px; color: var(--tr-ink3); }
.tr-viz-bar { height: 8px; border-radius: 99px; background: #F5F6F7; margin-bottom: 18px; overflow: hidden; }
.tr-viz-bar i {
  display: block; height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--tr-brand2), var(--tr-brand));
}
.tr-viz-bar:last-of-type { margin-bottom: 0; }
.tr-viz-float {
  position: absolute; background: var(--tr-paper); border: 1px solid var(--tr-line);
  border-radius: 14px; padding: 12px 18px; font-size: 13px; font-weight: 700;
  box-shadow: 0 16px 40px rgba(16, 24, 26, 0.12);
  animation: trFloat 5s ease-in-out infinite;
}
.tr-viz-float.f1 { top: -20px; right: -14px; color: var(--tr-brand); animation-delay: 0s; }
.tr-viz-float.f2 { bottom: -22px; left: -18px; color: var(--tr-accent-ink); animation-delay: 1.4s; }
@keyframes trFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@media (max-width: 860px) { .tr-viz-float.f1 { right: 4px; } .tr-viz-float.f2 { left: 4px; } }

/* ---------- 通用区块 ---------- */
.tr-section { padding: 72px 0; }
.tr-section-alt { background: linear-gradient(180deg, #F6F7F8, #FAF9F6); }
.tr-head { text-align: center; margin-bottom: 46px; }
.tr-head .en { font-family: var(--font-en); font-size: 13px; letter-spacing: 4px; color: var(--tr-brand2); font-weight: 600; }
.tr-head h2 { font-size: clamp(26px, 3vw, 38px); margin-top: 8px; color: var(--tr-ink); }
.tr-head h2 .serif { font-family: var(--font-serif); font-weight: 600; color: var(--tr-brand); }
.tr-head p { color: var(--tr-ink3); margin-top: 10px; font-size: 14px; }
.gold-line { width: 64px; height: 3px; border-radius: 99px; background: linear-gradient(90deg, var(--tr-gold), var(--tr-brand2)); margin: 18px auto 0; }

/* ---------- 岗位卡片 ---------- */
.tr-pos-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1080px) { .tr-pos-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tr-pos-grid { grid-template-columns: 1fr; } }
.tr-pos {
  position: relative; background: var(--tr-paper); border: 1px solid var(--tr-line);
  border-radius: 18px; padding: 24px 20px; cursor: pointer; overflow: hidden;
  transition: all .3s ease;
}
.tr-pos::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--pc, #D64000), var(--pc2, #FF6600));
  opacity: .85;
}
.tr-pos:hover, .tr-pos.on {
  transform: translateY(-6px);
  box-shadow: 0 24px 54px rgba(16, 24, 26, 0.13);
  border-color: var(--pc, #D64000);
}
.tr-pos .ic { font-size: 34px; color: var(--tr-brand); display: flex; align-items: center; justify-content: center; }
.tr-pos h3 { font-size: 18px; margin: 12px 0 4px; color: var(--tr-ink); }
.tr-pos .tag { display: inline-block; font-size: 11px; color: var(--pc, #FF6600); background: color-mix(in srgb, var(--pc, #FF6600) 10%, #fff); padding: 3px 10px; border-radius: 99px; margin-top: 6px; font-weight: 600; }
.tr-pos .target { font-size: 12.5px; color: var(--tr-ink3); margin-top: 10px; line-height: 1.6; }
.tr-pos .go { margin-top: 14px; font-size: 12px; color: var(--pc, #FF6600); font-weight: 700; }
.tr-pos .go::after { content: ' →'; }

/* ---------- 培训路线图 ---------- */
.tr-roadmap {
  margin-top: 34px; background: var(--tr-paper); border: 1px solid var(--tr-line);
  border-radius: 22px; padding: 34px; box-shadow: var(--shadow-sm);
}
.tr-rm-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.tr-rm-head .big { font-size: 26px; }
.tr-rm-head h3 { font-size: 22px; color: var(--tr-ink); }
.tr-rm-head .meta { font-size: 13px; color: var(--tr-ink3); }
.tr-rm-head .rm-cta { margin-left: auto; }
.tr-rm-head .rm-cta .tr-btn-solid { padding: 11px 22px; font-size: 13px; }
.tr-rm-stages { position: relative; display: grid; gap: 22px; }
.tr-rm-stages::before {
  content: ''; position: absolute; left: 15px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--tr-brand2), var(--tr-brand), var(--tr-gold));
  border-radius: 99px;
}
.tr-rm-stage { position: relative; padding-left: 52px; }
.tr-rm-stage .node {
  position: absolute; left: 0; top: 2px; width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center; font-size: 13px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--tr-brand2), var(--tr-brand));
  box-shadow: 0 0 0 5px rgba(255, 102, 0, 0.14);
}
.tr-rm-stage .st-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.tr-rm-stage .st-head h4 { font-size: 17px; color: var(--tr-ink); }
.tr-rm-stage .st-head .weeks { font-size: 12px; color: var(--tr-accent-ink); font-weight: 700; }
.tr-rm-stage .st-head .goal { font-size: 13px; color: var(--tr-ink3); }
.tr-rm-lessons { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-top: 14px; }
.tr-rm-lesson {
  background: #F6F7F8; border: 1px solid var(--tr-line); border-radius: 13px; padding: 14px 16px;
}
.tr-rm-lesson h5 { font-size: 14px; color: var(--tr-ink); display: flex; justify-content: space-between; align-items: center; }
.tr-rm-lesson h5 .mins { font-size: 11px; color: var(--tr-ink3); font-weight: 500; }
.tr-rm-lesson ul { margin: 8px 0 0; padding: 0; list-style: none; }
.tr-rm-lesson li { font-size: 12.5px; color: var(--tr-ink2); padding: 3px 0 3px 18px; position: relative; }
.tr-rm-lesson li::before { content: '✓'; position: absolute; left: 0; color: var(--tr-brand2); font-weight: 800; }

/* ---------- 知识库 ---------- */
.tr-kb-tabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 30px; }
.tr-kb-tab {
  border: 1px solid var(--tr-line); background: var(--tr-paper); color: var(--tr-ink2);
  padding: 10px 20px; border-radius: 999px; font-size: 14px; cursor: pointer; transition: all .25s;
  display: inline-flex; align-items: center; gap: 8px;
}
.tr-kb-tab:hover { border-color: var(--tr-brand2); color: var(--tr-brand); transform: translateY(-2px); }
.tr-kb-tab.on { background: linear-gradient(120deg, var(--tr-brand2), var(--tr-brand)); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(14, 95, 110, 0.3); }
.tr-kb-list { max-width: 900px; margin: 0 auto; display: grid; gap: 12px; }
.tr-qa {
  background: var(--tr-paper); border: 1px solid var(--tr-line); border-radius: 15px;
  overflow: hidden; transition: box-shadow .25s;
}
.tr-qa.open { box-shadow: 0 16px 40px rgba(16, 24, 26, 0.10); }
.tr-qa-q {
  display: flex; align-items: center; gap: 12px; padding: 16px 20px; cursor: pointer;
  font-size: 15px; font-weight: 600; color: var(--tr-ink);
}
.tr-qa-q .qno { font-family: var(--font-en); font-size: 12px; color: var(--tr-brand2); font-weight: 700; min-width: 34px; }
.tr-qa-q .qmark { color: var(--tr-accent-ink); font-weight: 800; }
.tr-qa-q .arrow { margin-left: auto; color: var(--tr-ink3); transition: transform .25s; }
.tr-qa.open .tr-qa-q .arrow { transform: rotate(180deg); }
.tr-qa-a { display: none; padding: 0 20px 18px 66px; font-size: 14px; color: var(--tr-ink2); line-height: 1.9; }
.tr-qa.open .tr-qa-a { display: block; }
.tr-kb-foot { text-align: center; margin-top: 26px; }
.tr-kb-foot .tr-btn-solid { padding: 13px 34px; font-size: 15px; }

/* ---------- 我的成绩 ---------- */
.tr-rec-wrap { max-width: 900px; margin: 0 auto; }
.tr-rec-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
@media (max-width: 720px) { .tr-rec-stats { grid-template-columns: repeat(2, 1fr); } }
.tr-rec-stat { background: var(--tr-paper); border: 1px solid var(--tr-line); border-radius: 16px; padding: 20px; text-align: center; }
.tr-rec-stat b { font-family: var(--font-en); font-size: 30px; display: block; background: linear-gradient(120deg, var(--tr-brand), var(--tr-brand2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tr-rec-stat span { font-size: 12px; color: var(--tr-ink3); }
.tr-rec-table { width: 100%; border-collapse: collapse; background: var(--tr-paper); border-radius: 16px; overflow: hidden; border: 1px solid var(--tr-line); }
.tr-rec-table th, .tr-rec-table td { padding: 12px 16px; text-align: left; font-size: 13px; }
.tr-rec-table th { background: #F6F7F8; color: var(--tr-ink2); font-weight: 600; }
.tr-rec-table td { border-top: 1px solid var(--tr-line); color: var(--tr-ink2); }
.tr-rec-table .pass { color: var(--tr-brand2); font-weight: 700; }
.tr-rec-table .fail { color: #E11D48; font-weight: 700; }

/* ---------- 产品中心 ---------- */
.pc-hero { padding: 64px 0 30px; text-align: center; }
.pc-hero .en { font-family: var(--font-en); letter-spacing: 4px; color: var(--tr-brand2); font-size: 13px; font-weight: 600; }
.pc-hero h1 { font-size: clamp(30px, 4vw, 46px); margin-top: 10px; color: var(--tr-ink); }
.pc-hero h1 .grad { background: linear-gradient(110deg, var(--tr-brand), var(--tr-brand2) 60%, var(--tr-gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pc-hero p { color: var(--tr-ink3); margin-top: 12px; font-size: 15px; }
.pc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 40px 0 80px; }
@media (max-width: 1080px) { .pc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .pc-grid { grid-template-columns: 1fr; } }
.pc-card {
  position: relative; display: block; background: var(--tr-paper);
  border: 1px solid var(--tr-line); border-radius: 20px; padding: 30px 24px;
  text-decoration: none; overflow: hidden; transition: all .3s ease;
}
.pc-card::after {
  content: ''; position: absolute; right: -40px; top: -40px; width: 130px; height: 130px;
  background: radial-gradient(circle, color-mix(in srgb, var(--pc, #D64000) 18%, transparent), transparent 70%);
}
.pc-card:hover { transform: translateY(-8px); box-shadow: 0 28px 60px rgba(16, 24, 26, 0.14); border-color: var(--pc, #D64000); }
.pc-card .pc-ic {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center; font-size: 28px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--pc, #D64000) 16%, #fff), #fff);
  border: 1px solid color-mix(in srgb, var(--pc, #D64000) 26%, transparent);
  margin-bottom: 18px;
}
.pc-card h3 { font-size: 21px; font-weight: 900; color: #1D2129; }
.pc-card .en { font-family: var(--font-en); font-size: 11px; letter-spacing: 2px; color: color-mix(in srgb, var(--pc, #FF6600) 80%, #1D2129); font-weight: 700; margin-top: 3px; }
.pc-card p { font-size: 14px; font-weight: 500; color: #3A3F45; margin-top: 12px; line-height: 1.8; min-height: 48px; }
.pc-card .meta { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--tr-line); }
.pc-card .meta .cnt { font-family: var(--font-en); font-size: 14px; font-weight: 800; color: var(--pc, #FF6600); }
.pc-card .meta .go { font-size: 13.5px; font-weight: 800; color: #3A3F45; transition: all .25s; }
.pc-card:hover .meta .go { color: var(--pc, #FF6600); transform: translateX(4px); }

/* ---------- 页脚 ---------- */
.tr-footer { border-top: 1px solid var(--tr-line); background: var(--tr-paper); padding: 30px 0; text-align: center; color: var(--tr-ink3); font-size: 13px; }
.tr-footer a { color: var(--tr-ink2); text-decoration: none; margin: 0 8px; }

/* ============================================================
   浅色（橙白风）覆盖层
   注意：这里曾有一个重复的 :root 块，把 --tr-brand2 又定义成浅橙 #FF8F4D，
   而全站有 6 处把它当文字色用，浅底上只有约 2.1:1、完全看不清。
   现已删除该重复块 —— 令牌统一由文件顶部的 :root 提供。
   ============================================================ */
.tr-hero::before {
  background:
    radial-gradient(620px 320px at 85% 10%, rgba(255, 102, 0, 0.12), transparent 65%),
    radial-gradient(520px 300px at 8% 90%, rgba(255, 143, 77, 0.08), transparent 65%),
    linear-gradient(180deg, #FFF6EE, #FFFFFF);
}
.tr-btn-solid { background: linear-gradient(135deg, var(--tr-brand2), var(--tr-brand)); box-shadow: 0 10px 30px rgba(255, 102, 0, 0.3), inset 0 1px 0 rgba(255,255,255,.16); }
.tr-btn-solid:hover { box-shadow: 0 16px 40px rgba(255, 133, 58, 0.4); }
.tr-btn-line { background: rgba(255, 255, 255, 0.6); color: #4A5560; }
.tr-btn-line:hover { border-color: var(--tr-brand); color: var(--tr-brand-2, #FF853A); }
.tr-viz-card { background: rgba(255, 255, 255, 0.72); border-color: var(--tr-line); box-shadow: 0 30px 70px rgba(23, 45, 70, 0.12); }
.tr-viz-item b { color: #1D2129; }
.tr-viz-bar { background: rgba(27, 37, 51, 0.16); }
.tr-viz-float { background: #F7F9FC; color: #4A5560; }
.tr-viz-float.f1 { color: #B33A00; }
.tr-viz-float.f2 { color: #B33A00; }
.tr-section-alt { background: linear-gradient(180deg, #FFF6EE, #FFFFFF); }
.tr-head h2 { color: #1D2129; }
.tr-pos:hover, .tr-pos.on { box-shadow: 0 24px 54px rgba(23, 45, 70, 0.12); }
.tr-pos .tag { background: color-mix(in srgb, var(--pc, #FF6600) 16%, #FFFFFF); }
.tr-rm-lesson { background: #F7F9FC; }
.tr-rm-stage .node { box-shadow: 0 0 0 5px rgba(255, 102, 0, 0.16); }
.tr-rec-table th { background: #F7F9FC; }
.tr-kb-tab.on { box-shadow: 0 8px 22px rgba(255, 102, 0, 0.3); }
.pc-card { background: linear-gradient(165deg, #F7F9FC, #FFFFFF); }
.pc-card:hover { box-shadow: 0 28px 60px rgba(23, 45, 70, 0.16); }
.pc-card .pc-ic { background: linear-gradient(135deg, color-mix(in srgb, var(--pc, #FF6600) 14%, #FFFFFF), #FFFFFF); border-color: color-mix(in srgb, var(--pc, #FF6600) 38%, transparent); }
.pc-card h3 { color: #1D2129; }
.pc-card .en { color: color-mix(in srgb, var(--pc, #FF6600) 78%, #4A5560); }
.pc-card p { color: #3A3F45; }
.pc-card .meta .go { color: #565E66; }
.tr-footer { border-top: 1px solid rgba(27, 37, 51, 0.12); background: #F5F7FA; }