:root {
  --blue: #1f5fe0;
  --blue-hover: #1a52c4;
  --orange: #e0841f;
  --ink: #111418;
  --text: #4a5260;
  --muted: #77808f;
  --line: #e3e7ee;
  --tint: #eef3fe;
  --tint-2: #eff6ff;
  --tint-line: #dce7fd;
  --page-grey: #eff2f6;
  --footer: #0d1117;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; box-sizing: content-box; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 50px; padding: 0 28px; border-radius: 8px;
  font-size: 16px; font-weight: 600; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .15s, border-color .15s, color .15s;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: #c97416; }
.btn-white { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-white:hover { border-color: #c6cdd9; }
.btn-outline { background: #fff; color: var(--ink); border-color: #c6cdd9; }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid #f0f2f5; }
.site-header .container { height: 88px; display: flex; align-items: center; justify-content: space-between; max-width: 1280px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; color: var(--ink); }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.nav { display: flex; align-items: center; gap: 4px; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: #fff; }
.nav a { padding: 8px 18px; border-radius: 999px; font-size: 15px; color: var(--text); transition: color .15s; }
.nav a:hover { color: var(--blue); }
.nav a.active { color: var(--blue); background: var(--tint); font-weight: 600; }
.nav a.nav-cta { background: var(--blue); color: #fff; font-weight: 600; padding: 8px 20px; }
.nav a.nav-cta:hover { background: var(--blue-hover); }
.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; align-items: center; justify-content: center; }

/* ---------- 首屏 ---------- */
.hero { background: linear-gradient(180deg, #35a5cd 0%, #296fb8 45%, #1b309f 100%); color: #fff; }
.hero-home .container { display: flex; align-items: center; justify-content: space-between; gap: 48px; padding-top: 72px; padding-bottom: 88px; }
.hero-home .hero-text { max-width: 600px; }
.hero-tag { display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; background: #fff; color: var(--blue); }
.hero h1 { margin-top: 18px; font-size: 62px; line-height: 1.12; font-weight: 700; letter-spacing: 0.5px; }
.hero-desc { margin-top: 28px; font-size: 17px; line-height: 32px; color: rgba(255,255,255,.92); }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; }
.hero-stats { display: flex; gap: 42px; margin-top: 28px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.35); }
.hero-stats b { display: block; font-size: 30px; line-height: 1.2; font-weight: 700; color: var(--orange); }
.hero-stats span { font-size: 14px; color: rgba(255,255,255,.75); }
.hero-visual { position: relative; flex: 0 0 540px; height: 600px; }
.hv-phone { position: absolute; width: 270px; border: 6px solid #fff; border-radius: 28px; overflow: hidden; background: #ededed; box-shadow: 0 24px 48px rgba(8,20,70,.35); }
.hv-phone img { width: 100%; height: 530px; object-fit: cover; object-position: center top; }
.hv-back { left: 0; top: 44px; transform: rotate(-5deg); }
.hv-front { right: 0; top: 0; }
.hv-card { position: absolute; left: 0; bottom: 0; display: flex; align-items: center; gap: 14px; padding: 14px 20px 14px 16px; border-radius: 14px; background: #fff; color: var(--ink); box-shadow: 0 16px 32px rgba(8,20,70,.25); }
.hv-avatars { display: flex; }
.hv-avatars img { width: 40px; height: 40px; margin-left: -10px; border: 2px solid #fff; border-radius: 50%; object-fit: cover; object-position: center 20%; }
.hv-avatars img:first-child { margin-left: 0; }
.hv-card b { display: block; font-size: 15px; }
.hv-card span { font-size: 13px; color: var(--muted); }

.hero-page .container { padding-top: 56px; padding-bottom: 64px; }
.hero-sub { margin-top: 16px; max-width: 640px; font-size: 18px; line-height: 1.7; color: rgba(255,255,255,.9); }
.hero-page .hero-sub + .hero-actions { margin-top: 30px; }
.hero-page .hero-tag { background: rgba(255,255,255,.12); color: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.4); font-weight: 400; padding: 4px 13px; }
.hero-page h1 { font-size: 52px; margin-top: 16px; }
.hero-points { margin-top: 20px; }
.hero-points li { position: relative; padding-left: 16px; font-size: 16px; line-height: 34px; color: rgba(255,255,255,.88); }
.hero-points li::before { content: ""; position: absolute; left: 0; top: 15px; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }
.hero-page .hero-actions { margin-top: 18px; }
.hero-stats-inline { display: flex; gap: 26px; margin-top: 30px; }
.hero-stats-inline div { display: flex; align-items: baseline; gap: 8px; }
.hero-stats-inline b { font-size: 19px; font-weight: 700; color: var(--orange); }
.hero-stats-inline span { font-size: 13px; color: rgba(255,255,255,.75); }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section-tag { display: inline-block; padding: 3px 12px; border-radius: 999px; background: var(--tint); color: var(--blue); font-size: 13px; font-weight: 600; }
.section-title { margin-top: 14px; font-size: 40px; line-height: 1.3; font-weight: 700; color: var(--blue); }
.section-title.dark { color: var(--ink); }
.section-sub { margin-top: 12px; font-size: 17px; color: var(--text); }
.section-head { margin-bottom: 44px; }
.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

/* 首页：四个阶段 */
.phase-card { padding: 30px 24px 26px; border: 1px solid var(--line); border-top: 4px solid var(--tint-line); border-radius: 10px; background: #fff; }
.phase-card .label { font-size: 14px; font-weight: 600; color: var(--blue); }
.phase-card h3 { margin-top: 6px; font-size: 22px; font-weight: 700; }
.phase-card p { margin-top: 10px; font-size: 15px; color: var(--text); }
.section-actions { display: flex; gap: 14px; margin-top: 70px; }

/* 首页：四大问题 */
.problem-card { display: block; padding: 24px 24px 22px; border-radius: 12px; background: var(--tint-2); transition: background-color .15s; }
.problem-card:hover { background: #e4eefe; }
.problem-card h3 { font-size: 21px; font-weight: 700; }
.problem-card p { margin-top: 10px; font-size: 15px; color: var(--text); }
.problem-card .more { display: inline-block; margin-top: 14px; font-size: 15px; font-weight: 600; color: var(--blue); }

/* 首页：蓝鲸能带来什么 */
.value-card { min-height: 170px; padding: 22px 22px; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: 2px 2px 3px 0 #c6cdd9; }
.num-badge { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; background: var(--tint); color: var(--blue); font-size: 14px; font-weight: 700; }
.value-card h3 { margin-top: 18px; font-size: 18px; font-weight: 700; }
.value-card p { margin-top: 8px; font-size: 15px; color: var(--text); }

/* 数据条 */
.stats-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-band .container { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 900px; padding-top: 48px; padding-bottom: 48px; }
.stats-band .stat { text-align: center; }
.stats-band .stat + .stat { border-left: 1px solid var(--line); }
.stats-band b { display: block; font-size: 52px; line-height: 1.15; font-weight: 700; color: var(--orange); }
.stats-band span { display: block; margin-top: 4px; font-size: 16px; font-weight: 600; color: var(--blue); }

/* 学员成果卡片 */
.result-card { display: block; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; transition: box-shadow .15s; }
.result-card:hover { box-shadow: 0 6px 20px rgba(11,27,58,.08); }
.result-card .shot { aspect-ratio: 1.45; overflow: hidden; background: #fff; padding: 10px 14px 0; }
.result-card .shot img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.result-card .caption { display: flex; align-items: center; gap: 6px; padding: 16px 20px 20px; font-size: 15px; color: var(--blue); }
.result-card .caption .icon { width: 17px; height: 17px; }
.result-card .meta { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px 22px; }
.result-card .meta h3 { font-size: 17px; font-weight: 700; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--tint); color: var(--blue); font-size: 14px; }

/* 首页：导师精选 */
.mentor-card { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.mentor-card .photo { height: 219px; background: #f5f7fa; }
.mentor-card .photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; }
.mentor-card .body { padding: 20px 20px 24px; background: #fafbfd; border-top: 1px solid var(--line); }
.mentor-card .name-row { display: flex; align-items: center; justify-content: space-between; }
.mentor-card h3 { font-size: 21px; font-weight: 700; }
.mentor-card .years { padding: 2px 8px; border-radius: 6px; background: var(--tint); color: var(--blue); font-size: 13px; font-weight: 600; }
.mentor-card .role { margin-top: 8px; font-size: 15px; font-weight: 600; color: var(--ink); }
.mentor-card .desc { margin-top: 8px; font-size: 15px; line-height: 25px; color: var(--muted); }

/* 预约咨询 */
.consult { background: var(--page-grey); }
.consult-plain { background: #fff; }
.consult-grid { display: grid; grid-template-columns: 504px 1fr; gap: 32px; align-items: stretch; }
.wechat-card { padding: 30px 31px; border: 1px solid #bacef6; border-radius: 16px; background: #fff; }
.wechat-card h3 { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; }
.wechat-card h3 .icon { width: 18px; height: 18px; color: var(--blue); }
.wechat-card > p { margin-top: 14px; font-size: 15px; color: var(--text); }
.qr-box { margin: 22px 0; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: #f7f9fd; text-align: center; }
.qr-box img { width: 168px; height: 168px; margin: 0 auto; padding: 4px; border: 1px solid #d7dee9; border-radius: 4px; background: #fff; }
.qr-box span { display: block; margin-top: 12px; font-size: 14px; color: var(--muted); }

.form-panel { padding: 30px 32px 32px; border-radius: 16px; background: var(--tint-line); }
.form-panel h3 { font-size: 22px; font-weight: 700; }
.form-panel .hint { margin-top: 6px; font-size: 14px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; margin-top: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 15px; font-weight: 600; }
.field input, .field select, .field textarea {
  width: 100%; height: 48px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 8px; background: #fff;
  font-size: 16px; outline: none; transition: border-color .15s;
}
.field textarea { height: 96px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.field select { appearance: none; -webkit-appearance: none; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a5260' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center; padding-right: 38px; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); }
.field input.invalid { border-color: #d93025; }
.form-panel .btn { margin-top: 20px; }
.form-note { margin-top: 18px; font-size: 14px; color: var(--muted); }
.form-msg { margin-top: 12px; font-size: 15px; color: var(--blue); font-weight: 600; }

/* ---------- 辅导计划页 ---------- */
.audience-card { padding: 22px 24px 24px; border: 1px solid var(--tint-line); border-radius: 12px; background: var(--tint-2); }
.audience-card .head { display: flex; align-items: center; gap: 14px; }
.icon-box { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 10px; background: #fff; color: var(--blue); }
.icon-box.tint { background: var(--tint); }
.audience-card h3 { font-size: 19px; font-weight: 700; }
.audience-card p { margin-top: 14px; font-size: 15px; line-height: 26px; color: var(--text); }

.service-list { display: flex; flex-direction: column; gap: 16px; }
.service-row { display: flex; align-items: center; padding: 26px 26px; border: 1px solid var(--tint-line); border-radius: 12px; background: #fff; }
.service-row .no { width: 60px; padding-right: 22px; margin-right: 24px; border-right: 1px solid var(--line); font-size: 30px; line-height: 52px; font-weight: 700; color: var(--orange); box-sizing: content-box; }
.service-row h3 { font-size: 19px; font-weight: 700; }
.service-row p { margin-top: 4px; font-size: 15px; color: var(--muted); }

.stage-table { width: 100%; border: 1px solid var(--tint-line); border-radius: 12px; border-collapse: separate; border-spacing: 0; overflow: hidden; font-size: 16px; }
.stage-table th { padding: 16px 20px; background: var(--tint-2); color: var(--blue); font-weight: 700; text-align: left; }
.stage-table td { padding: 16px 20px; border-top: 1px solid var(--line); }
.stage-table th + th, .stage-table td + td { border-left: 1px solid var(--line); }
.stage-table td:first-child { width: 180px; color: var(--blue); font-weight: 700; }

.gain-card { padding: 26px 26px 28px; border: 1px solid var(--tint-line); border-radius: 12px; background: #fff; }
.gain-card h3 { margin-top: 16px; font-size: 19px; font-weight: 700; }
.gain-card p { margin-top: 10px; font-size: 15px; color: var(--muted); }

.why-card { padding: 26px 26px 24px; border: 1px solid var(--tint-line); border-radius: 12px; background: var(--tint-2); }
.why-card h3 { font-size: 19px; font-weight: 700; }
.why-card p { margin-top: 14px; font-size: 15px; line-height: 27px; color: var(--text); }

.step-card { padding: 26px 28px 30px; border: 1px solid var(--tint-line); border-radius: 12px; background: #fff; }
.step-card .no { font-size: 36px; line-height: 1.2; font-weight: 700; color: var(--orange); }
.step-card h3 { margin-top: 8px; font-size: 19px; font-weight: 700; }
.step-card p { margin-top: 14px; font-size: 15px; line-height: 27px; color: var(--text); }

.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item { padding: 26px 26px; border: 1px solid var(--tint-line); border-radius: 12px; background: #fff; }
.faq-item:nth-child(even) { background: #f5f8ff; }
.faq-item .q, .faq-item .a { display: flex; gap: 12px; }
.faq-item .q { font-size: 18px; font-weight: 700; }
.faq-item .a { margin-top: 12px; font-size: 16px; line-height: 1.8; color: var(--text); }
.faq-item .q b { color: var(--blue); }
.faq-item .a b { color: var(--orange); }

/* ---------- 导师团队页 ---------- */
.team-grid { max-width: 1136px; margin: 0 auto; gap: 30px; }
.team-card { padding: 36px 16px 34px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 4px 14px rgba(11,27,58,.05); text-align: center; }
.team-card img { width: 124px; height: 124px; margin: 0 auto; border-radius: 50%; object-fit: cover; object-position: center 20%; }
.team-card h3 { margin-top: 16px; font-size: 22px; font-weight: 700; }
.team-card .role { margin-top: 8px; font-size: 16px; color: var(--text); }
.team-card .dir { display: inline-block; margin-top: 14px; padding: 3px 12px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 14px; font-weight: 600; }
.team-card .tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 16px; }
.team-card .tags span { padding: 2px 10px; border: 1px solid var(--line); border-radius: 999px; background: #f7f8fb; color: var(--text); font-size: 13px; }
.center-cta { display: flex; justify-content: center; margin-top: 60px; }
.center-cta .btn { width: 424px; height: 56px; font-size: 17px; font-weight: 400; border-radius: 8px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--footer); color: #fff; }
.site-footer .container { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-top: 64px; padding-bottom: 46px; }
.site-footer .brand { color: #fff; }
.site-footer .brand img { width: 30px; height: 30px; }
.site-footer .slogan { margin-top: 18px; font-size: 22px; font-weight: 700; }
.site-footer h4 { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.site-footer li { font-size: 15px; line-height: 34px; color: rgba(255,255,255,.75); }
.site-footer li a:hover { color: #fff; }
.site-footer .contact p { font-size: 15px; line-height: 24px; color: rgba(255,255,255,.75); margin-bottom: 16px; }
.site-footer .contact .btn { height: 42px; padding: 0 20px; font-size: 15px; }
.footer-bottom { border-top: 1px solid #1f2630; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 6px 24px; padding-top: 22px; padding-bottom: 22px; max-width: 1280px; font-size: 13px; color: var(--muted); }
.footer-bottom a:hover { color: #fff; }

/* ---------- 手机/平板 ---------- */
@media (max-width: 1080px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-home .container { flex-direction: column; align-items: flex-start; }
  .hero-visual { flex: none; width: 100%; max-width: 540px; margin: 0 auto; }
  .consult-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; top: 72px; left: 16px; right: 16px; flex-direction: column; align-items: stretch; padding: 10px; border-radius: 14px; box-shadow: 0 12px 32px rgba(11,27,58,.12); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 16px; border-radius: 10px; }
  .nav a.nav-cta { text-align: center; }
  .site-header .container { height: 72px; }
  .grid-3 { grid-template-columns: 1fr; }
  .site-footer .container { grid-template-columns: 1fr 1fr; }
  .site-footer .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .container { padding: 0 18px; }
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 28px; }
  .section-title { font-size: 28px; }
  .section-sub { font-size: 15px; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
  .hero h1 { font-size: 38px; }
  .hero-page h1 { font-size: 34px; }
  .hero-desc { font-size: 15px; line-height: 27px; }
  .hero-home .container { padding-top: 44px; padding-bottom: 52px; gap: 36px; }
  .hero-visual { height: 400px; }
  .hv-phone { width: 180px; border-width: 5px; border-radius: 22px; }
  .hv-phone img { height: 340px; }
  .hv-back { left: 0; }
  .hv-front { right: 0; }
  .hv-avatars img { width: 34px; height: 34px; }
  .hero-stats { gap: 28px; }
  .hero-stats-inline { flex-wrap: wrap; gap: 10px 20px; }
  .hero-actions .btn { flex: 1; padding: 0 12px; }
  .grid-4, .grid-5, .grid-2 { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .team-card { padding: 24px 8px; border-radius: 14px; }
  .team-card img { width: 88px; height: 88px; }
  .team-card h3 { font-size: 18px; }
  .team-card .role { font-size: 14px; }
  .team-card .tags span { font-size: 12px; padding: 1px 8px; }
  .section-actions { flex-direction: column; margin-top: 36px; }
  .stats-band .container { padding-top: 32px; padding-bottom: 32px; }
  .stats-band b { font-size: 30px; }
  .stats-band span { font-size: 13px; }
  .value-card { min-height: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .form-panel, .wechat-card { padding: 24px 20px; }
  .service-row { padding: 20px 18px; }
  .service-row .no { width: auto; font-size: 24px; padding-right: 16px; margin-right: 16px; }
  .stage-table { font-size: 14px; }
  .stage-table th, .stage-table td { padding: 12px 10px; }
  .stage-table td:first-child { width: 56px; }
  .center-cta .btn { width: 100%; }
  .site-footer .container { grid-template-columns: 1fr; gap: 28px; padding-top: 44px; }
}

/* ---------- 优化版新增 ---------- */
.copy-btn { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 14px; color: var(--blue); cursor: pointer; }
.copy-btn:hover { border-color: var(--blue); }

.lightbox { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 24px; background: rgba(13,17,23,.85); cursor: zoom-out; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; background: #fff; }
.result-card { cursor: zoom-in; }

.mobile-bar { display: none; }
.toast { position: fixed; left: 50%; bottom: 96px; z-index: 120; transform: translateX(-50%); padding: 10px 18px; border-radius: 8px; background: rgba(13,17,23,.9); color: #fff; font-size: 15px; opacity: 0; pointer-events: none; transition: opacity .2s; }
.toast.show { opacity: 1; }

@media (max-width: 600px) {
  body { padding-bottom: 72px; }
  .mobile-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: flex; gap: 10px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -4px 16px rgba(11,27,58,.06); }
  .mobile-bar .btn { flex: 1; height: 48px; padding: 0 10px; }
  .hero-sub { font-size: 16px; }
  .hero-page h1 { font-size: 30px; }
  .section-title { font-size: 25px; }
  .hero-page .container { padding-top: 40px; padding-bottom: 48px; }
}

/* 学员案例：单张手机截图 */
.phone { display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #ededed; cursor: zoom-in; box-shadow: 0 8px 24px rgba(11,27,58,.08); transition: transform .2s, box-shadow .2s; }
.phone:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(11,27,58,.12); }
.phone { aspect-ratio: 640 / 1300; }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.phone-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.phone-card .meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 16px; }
.phone-card h3 { font-size: 17px; font-weight: 700; }

.case-list { display: flex; flex-direction: column; gap: 28px; }
.case { display: grid; grid-template-columns: 200px 1fr; gap: 40px; padding: 32px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.case-info h3 { font-size: 24px; font-weight: 700; }
.case-info .pill { margin-top: 12px; }
.case-info p { margin-top: 16px; font-size: 15px; color: var(--muted); }
.case-phones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* 咨询卡片里的三步说明 */
.mini-steps { display: flex; flex-direction: column; gap: 16px; margin: 4px 0 24px; }
.mini-steps li { display: flex; gap: 12px; align-items: flex-start; }
.mini-steps b { flex: 0 0 28px; height: 28px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--tint); color: var(--blue); font-size: 14px; }
.mini-steps h4 { font-size: 16px; font-weight: 700; line-height: 28px; }
.mini-steps p { font-size: 14px; color: var(--muted); }

@media (max-width: 1080px) {
  .phone-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .case { grid-template-columns: 1fr; gap: 20px; padding: 24px 20px; }
  .case-info { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
  .case-info .pill { margin-top: 0; }
  .case-info p { width: 100%; margin-top: 0; font-size: 14px; }
}
@media (max-width: 600px) {
  .phone-row, .case-phones { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; margin: 0 -18px; padding: 4px 18px 16px; }
  .phone-row > *, .case-phones > * { flex: 0 0 72%; scroll-snap-align: center; }
  .case-phones { margin: 0 -20px; padding: 4px 20px 12px; }
  .case { padding: 22px 20px 12px; }
}
section[id] { scroll-margin-top: 88px; }

/* 大屏幕（如 1920 宽显示器）整体放大，避免内容缩在中间显得小 */
@media (min-width: 1600px) {
  html { zoom: 1.15; }
}