/* 深圳万匹斯咨询官网 — 商务大气简洁风
   主色继承公众号品牌色系：#1F3864 / #2E5B9E / #4874CB */

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

:root {
  --navy: #1F3864;
  --navy-2: #2E5B9E;
  --blue: #4874CB;
  --blue-soft: #EEF3FB;
  --gold: #B8944D;
  --ink: #1A1F2B;
  --gray: #5A6474;
  --gray-2: #8A93A3;
  --line: #E3E8F0;
  --bg: #FFFFFF;
  --bg-soft: #F7F9FC;
  --radius: 4px;
  --wrap: 1180px;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 3px;
  background: var(--navy); color: #fff;
  display: grid; place-items: center;
  font-size: 17px; font-weight: 700; letter-spacing: 0;
}
.brand-text strong { display: block; font-size: 16px; letter-spacing: .5px; color: var(--navy); }
.brand-text span { display: block; font-size: 11.5px; color: var(--gray-2); letter-spacing: 1.6px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; color: var(--gray); padding: 4px 0; border-bottom: 2px solid transparent; transition: .2s; }
.nav-links a:hover { color: var(--navy); border-bottom-color: var(--blue); }
.nav-cta {
  border: 1px solid var(--navy); color: var(--navy);
  padding: 9px 20px; font-size: 14.5px; border-radius: var(--radius);
  transition: .2s;
}
.nav-cta:hover { background: var(--navy); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 4px 0; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #16294A 0%, var(--navy) 45%, #2A4A80 100%);
  color: #fff;
  padding: 92px 0 84px;
}
.hero::after {
  content: ""; position: absolute; right: -140px; top: -120px;
  width: 620px; height: 620px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.09);
  box-shadow: 0 0 0 90px rgba(255,255,255,.028), 0 0 0 200px rgba(255,255,255,.018);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1fr 340px; gap: 60px; align-items: center; position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13.5px; letter-spacing: 2.4px; color: #A8C2E8; margin-bottom: 26px;
}
.hero-eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--gold); }
.hero h1 {
  font-size: 47px; line-height: 1.32; margin: 0 0 24px; font-weight: 700; letter-spacing: .5px;
}
.hero h1 em { font-style: normal; color: #8FB4E8; }
.hero-sub { font-size: 17.5px; color: #C3D2E8; margin: 0 0 34px; max-width: 620px; line-height: 1.85; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 32px; font-size: 16px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer; transition: .22s; font-family: inherit;
}
.btn-primary { background: #fff; color: var(--navy); font-weight: 600; }
.btn-primary:hover { background: #EAF1FC; transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,.42); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.hero-portrait { position: relative; }
.hero-portrait img {
  width: 100%; border-radius: 3px;
  filter: drop-shadow(0 20px 44px rgba(0,0,0,.36));
}
.hero-tag {
  position: absolute; left: -18px; bottom: 30px;
  background: rgba(255,255,255,.97); color: var(--navy);
  padding: 12px 18px; border-radius: 3px;
  font-size: 13px; line-height: 1.6;
  box-shadow: 0 10px 30px rgba(0,0,0,.24);
}
.hero-tag strong { display: block; font-size: 14.5px; }

/* ---------- 数据条 ---------- */
.stats { background: var(--navy); color: #fff; padding: 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 22px; text-align: center; border-right: 1px solid rgba(255,255,255,.13); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 33px; font-weight: 700; letter-spacing: .5px; }
.stat b i { font-style: normal; font-size: 17px; margin-left: 3px; font-weight: 400; color: #9DB8DE; }
.stat span { display: block; font-size: 13.5px; color: #A8BFDF; margin-top: 6px; letter-spacing: .6px; }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.soft { background: var(--bg-soft); }
.sec-head { max-width: 780px; margin-bottom: 54px; }
.sec-head .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 2.4px; color: var(--blue); margin-bottom: 18px;
}
.sec-head .kicker::before { content: ""; width: 30px; height: 1px; background: var(--blue); }
.sec-head h2 { font-size: 35px; line-height: 1.4; margin: 0 0 18px; color: var(--navy); font-weight: 700; }
.sec-head p { font-size: 16.5px; color: var(--gray); margin: 0; line-height: 1.85; }

/* ---------- 方法论 ---------- */
.formula {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--navy);
  padding: 38px 42px; margin-bottom: 30px;
}
.formula-main { font-size: 27px; color: var(--navy); font-weight: 700; letter-spacing: .5px; line-height: 1.6; }
.formula-main i { font-style: normal; color: var(--gold); margin: 0 12px; }
.formula-note { color: var(--gray); font-size: 15.5px; margin-top: 14px; }
.formula-sub { margin-top: 24px; padding-top: 22px; border-top: 1px dashed var(--line); font-size: 17px; color: var(--navy-2); }
.formula-sub strong { color: var(--navy); }

.growth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 30px; }
.growth-card {
  background: #fff; border: 1px solid var(--line); padding: 32px 28px;
  transition: .25s; position: relative;
}
.growth-card:hover { border-color: var(--blue); box-shadow: 0 12px 34px rgba(31,56,100,.09); transform: translateY(-3px); }
.growth-card .num {
  font-size: 12.5px; letter-spacing: 2px; color: var(--blue); font-weight: 600; margin-bottom: 12px;
}
.growth-card h3 { font-size: 21px; margin: 0 0 12px; color: var(--navy); }
.growth-card p { font-size: 15px; color: var(--gray); margin: 0 0 16px; line-height: 1.8; }
.growth-card .out {
  font-size: 14px; color: var(--navy-2); border-top: 1px solid var(--line); padding-top: 14px;
}
.growth-card .out b { color: var(--navy); }

/* ---------- 适配客户 ---------- */
.fit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.fit-card { background: #fff; border: 1px solid var(--line); padding: 32px 30px; }
.fit-head { display: flex; align-items: baseline; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.fit-head h3 { font-size: 20px; margin: 0; color: var(--navy); }
.fit-head span { font-size: 13px; color: var(--gray-2); letter-spacing: .5px; }
.fit-row { display: flex; gap: 12px; margin-bottom: 14px; font-size: 15px; line-height: 1.8; }
.fit-row .lab {
  flex: 0 0 62px; font-size: 12.5px; color: #fff; background: var(--gray-2);
  height: 22px; line-height: 22px; text-align: center; border-radius: 2px; margin-top: 4px;
}
.fit-row .lab.l1 { background: var(--blue); }
.fit-row .lab.l2 { background: var(--gold); }
.fit-row .lab.l3 { background: var(--navy); }
.fit-row .txt { color: var(--gray); flex: 1; }
.fit-row .txt strong { color: var(--ink); }

/* ---------- 案例 ---------- */
.case-list { display: grid; gap: 22px; }
.case {
  background: #fff; border: 1px solid var(--line);
  display: grid; grid-template-columns: 300px 1fr; overflow: hidden;
}
.case-media { position: relative; background: var(--bg-soft); }
.case-media img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; }
.case-badge {
  position: absolute; left: 0; top: 18px; background: var(--navy); color: #fff;
  font-size: 12.5px; padding: 6px 14px; letter-spacing: .5px;
}
.case-body { padding: 32px 34px; }
.case-body h3 { font-size: 21px; margin: 0 0 6px; color: var(--navy); }
.case-meta { font-size: 13.5px; color: var(--gray-2); margin-bottom: 20px; }
.case-step { display: flex; gap: 14px; margin-bottom: 13px; font-size: 15px; }
.case-step .k {
  flex: 0 0 76px; color: var(--navy-2); font-weight: 600; font-size: 14px;
}
.case-step .v { color: var(--gray); flex: 1; line-height: 1.75; }
.case-result {
  margin-top: 18px; background: var(--blue-soft); border-left: 3px solid var(--blue);
  padding: 15px 20px; font-size: 15px; color: var(--navy);
}
.case-result b { color: var(--navy); }
.case-note {
  background: #FFFBF0; border: 1px dashed #E4CE9A; color: #8A6B22;
  padding: 12px 18px; font-size: 13.5px; margin-top: 22px; border-radius: 3px;
}

/* ---------- 见证 ---------- */
.witness-top { display: grid; grid-template-columns: 1.15fr 1fr; gap: 26px; margin-bottom: 34px; }
.video-box { background: var(--navy); color: #fff; padding: 0; position: relative; overflow: hidden; }
.video-ph { position: relative; aspect-ratio: 16/9; background: #14243F; display: grid; place-items: center; }
.video-ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.play {
  position: relative; width: 68px; height: 68px; border-radius: 50%;
  background: rgba(255,255,255,.94); display: grid; place-items: center; cursor: pointer;
  border: 0; transition: .22s;
}
.play:hover { transform: scale(1.07); }
.play::after {
  content: ""; width: 0; height: 0; margin-left: 5px;
  border-left: 19px solid var(--navy); border-top: 12px solid transparent; border-bottom: 12px solid transparent;
}
.video-cap { padding: 20px 24px; font-size: 15px; color: #C3D2E8; }
.video-cap strong { display: block; color: #fff; font-size: 16.5px; margin-bottom: 4px; }
.quote-stack { display: grid; gap: 16px; }
.quote-item { background: #fff; border: 1px solid var(--line); padding: 26px 28px; position: relative; }
.quote-item::before {
  content: "\201C"; position: absolute; right: 22px; top: 6px;
  font-size: 62px; color: var(--blue-soft); font-family: Georgia, serif; line-height: 1;
}
.quote-item p { margin: 0 0 12px; font-size: 15.5px; color: var(--ink); line-height: 1.85; position: relative; z-index: 2; }
.quote-item cite { font-style: normal; font-size: 13.5px; color: var(--gray-2); }

.photo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.photo-wall figure { margin: 0; overflow: hidden; aspect-ratio: 1; background: var(--bg-soft); }
.photo-wall img { width: 100%; height: 100%; object-fit: cover; transition: .35s; }
.photo-wall figure:hover img { transform: scale(1.06); }

.logo-wall {
  margin-top: 34px; background: #fff; border: 1px solid var(--line); padding: 30px 34px;
}
.logo-wall h4 { font-size: 15px; color: var(--gray); margin: 0 0 20px; font-weight: 500; letter-spacing: .5px; }
.logo-row { display: flex; flex-wrap: wrap; gap: 12px; }
.logo-chip {
  border: 1px solid var(--line); padding: 11px 22px; font-size: 15px;
  color: var(--gray); background: var(--bg-soft); letter-spacing: .5px;
}

/* ---------- 课程 ---------- */
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 40px; }
.course-card {
  background: #fff; border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: .25s;
}
.course-card:hover { box-shadow: 0 14px 38px rgba(31,56,100,.11); transform: translateY(-3px); }
.course-cover { aspect-ratio: 16/9; overflow: hidden; background: var(--navy); position: relative; }
.course-cover img { width: 100%; height: 100%; object-fit: cover; }
.course-cover .tagline {
  position: absolute; left: 0; bottom: 0; background: rgba(31,56,100,.9); color: #fff;
  font-size: 12.5px; padding: 6px 14px; letter-spacing: .5px;
}
.course-body { padding: 26px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.course-body h3 { font-size: 20px; margin: 0 0 6px; color: var(--navy); }
.course-for { font-size: 13.5px; color: var(--blue); margin-bottom: 16px; letter-spacing: .3px; }
.course-body ul { margin: 0 0 18px; padding-left: 0; list-style: none; }
.course-body li {
  font-size: 14.5px; color: var(--gray); padding-left: 18px; position: relative; margin-bottom: 9px; line-height: 1.7;
}
.course-body li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 5px; height: 5px; background: var(--blue); border-radius: 50%;
}
.course-foot { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.course-price { font-size: 15px; color: var(--navy); font-weight: 600; }
.btn-buy {
  background: var(--navy); color: #fff; padding: 11px 24px; font-size: 14.5px;
  border: 0; border-radius: var(--radius); cursor: pointer; transition: .2s; font-family: inherit;
}
.btn-buy:hover { background: var(--navy-2); }

.roll-strip { border: 1px solid var(--line); background: #fff; padding: 26px 0 22px; overflow: hidden; }
.roll-title { font-size: 14.5px; color: var(--gray); padding: 0 30px 18px; letter-spacing: .5px; }
.roll-track { display: flex; gap: 14px; width: max-content; animation: roll 68s linear infinite; }
.roll-strip:hover .roll-track { animation-play-state: paused; }
.roll-track img { width: 226px; height: 127px; object-fit: cover; border-radius: 2px; flex: 0 0 auto; }
@keyframes roll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .roll-track { animation: none; } }

/* ---------- 自测 ---------- */
.check-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 34px; align-items: start; }
.check-panel { background: #fff; border: 1px solid var(--line); padding: 38px 40px; }
.check-panel h3 { font-size: 21px; color: var(--navy); margin: 0 0 8px; }
.check-panel > p { font-size: 15px; color: var(--gray); margin: 0 0 28px; }
.q { padding: 18px 0; border-bottom: 1px solid var(--line); }
.q:last-of-type { border-bottom: 0; }
.q-title { font-size: 15.5px; color: var(--ink); margin-bottom: 12px; }
.q-title i { font-style: normal; color: var(--blue); font-weight: 600; margin-right: 8px; }
.opts { display: flex; gap: 10px; flex-wrap: wrap; }
.opt {
  border: 1px solid var(--line); background: #fff; padding: 9px 20px; font-size: 14.5px;
  color: var(--gray); cursor: pointer; border-radius: var(--radius); transition: .18s; font-family: inherit;
}
.opt:hover { border-color: var(--blue); color: var(--navy); }
.opt.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.check-actions { margin-top: 30px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.check-actions .hint { font-size: 13.5px; color: var(--gray-2); }
.check-side { background: var(--navy); color: #fff; padding: 34px 30px; }
.check-side h4 { font-size: 17px; margin: 0 0 16px; }
.check-side ul { list-style: none; margin: 0 0 24px; padding: 0; }
.check-side li { font-size: 14.5px; color: #BFD0E8; padding-left: 18px; position: relative; margin-bottom: 11px; line-height: 1.7; }
.check-side li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; background: var(--gold); border-radius: 50%; }
.result-box { display: none; margin-top: 26px; border-top: 1px solid var(--line); padding-top: 26px; }
.result-box.show { display: block; }
.result-score { font-size: 42px; color: var(--navy); font-weight: 700; line-height: 1; }
.result-score small { font-size: 15px; color: var(--gray-2); font-weight: 400; margin-left: 6px; }
.result-level { display: inline-block; background: var(--navy); color: #fff; padding: 5px 16px; font-size: 14px; margin: 14px 0 16px; border-radius: 2px; }
.result-text { font-size: 15.5px; color: var(--gray); line-height: 1.85; }
.result-text strong { color: var(--navy); }

/* ---------- 联系 ---------- */
.contact { background: var(--navy); color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: center; }
.contact h2 { font-size: 33px; margin: 0 0 18px; line-height: 1.45; color: #fff; }
.contact p { font-size: 16.5px; color: #BFD0E8; margin: 0 0 30px; line-height: 1.85; }
.contact-list { list-style: none; padding: 0; margin: 0 0 32px; }
.contact-list li { font-size: 15.5px; color: #D3E0F2; margin-bottom: 12px; display: flex; gap: 12px; }
.contact-list li b { color: #fff; font-weight: 500; flex: 0 0 76px; }
.qr-box { background: #fff; padding: 22px; text-align: center; border-radius: 3px; }
.qr-box img { width: 100%; aspect-ratio: 1; object-fit: contain; background: var(--bg-soft); }
.qr-ph {
  width: 100%; aspect-ratio: 1; background: var(--bg-soft); border: 1px dashed #C3CDDC;
  display: grid; place-items: center; color: var(--gray-2); font-size: 13px; line-height: 1.7; padding: 20px;
}
.qr-box figcaption { font-size: 14.5px; color: var(--navy); margin-top: 14px; font-weight: 600; }
.qr-box small { display: block; color: var(--gray-2); font-size: 12.5px; font-weight: 400; margin-top: 5px; line-height: 1.6; }

/* ---------- 页脚 ---------- */
.site-footer { background: #14243F; color: #93A6C2; padding: 46px 0 38px; font-size: 14px; }
.foot-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding-bottom: 26px; border-bottom: 1px solid rgba(255,255,255,.1); }
.foot-brand strong { color: #fff; font-size: 16px; display: block; margin-bottom: 8px; letter-spacing: .5px; }
.foot-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.foot-nav a:hover { color: #fff; }
.foot-bottom { padding-top: 24px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; line-height: 1.9; }
.foot-bottom a { color: #93A6C2; }
.foot-bottom a:hover { color: #fff; }
.icp { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-portrait { max-width: 300px; }
  .hero h1 { font-size: 36px; }
  .hero::after { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.13); }
  .growth-grid, .course-grid { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; }
  .case-media img { min-height: 200px; }
  .witness-top { grid-template-columns: 1fr; }
  .photo-wall { grid-template-columns: repeat(3, 1fr); }
  .check-wrap { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 38px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; position: absolute; left: 0; right: 0; top: 72px;
    background: #fff; flex-direction: column; gap: 0; padding: 12px 24px 20px;
    border-bottom: 1px solid var(--line); align-items: flex-start;
  }
  .nav-links.open a { padding: 12px 0; width: 100%; }
  .nav-toggle { display: block; }
  .section { padding: 66px 0; }
  .sec-head h2 { font-size: 27px; }
  .formula { padding: 28px 24px; }
  .formula-main { font-size: 21px; }
  .check-panel { padding: 28px 24px; }
}