/* 多个伙伴AI · v3 安静的高级感
   原则：一个主色 + 极少量橙色点睛；细线代替阴影；编辑式不对称排版；
   超大字号对比；深色板块换节奏。活力蓝 #2857A4 / 活力橙 #FF8C00 */
:root {
  --blue: #2857A4;
  --blue-deep: #1E4180;
  --navy: #0E1A30;
  --navy-2: #15233E;
  --ink: #131B2C;
  --ink-2: #4E586C;
  --ink-3: #8A93A5;
  --orange: #FF8C00;
  --orange-deep: #E67E00;
  --bg: #F7F8FA;
  --card: #FFFFFF;
  --line: #E3E7EE;
  --line-dark: rgba(255, 255, 255, .12);
  --tint: #EEF2F8;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", -apple-system, "Helvetica Neue", sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --r: 18px;
  --r-lg: 28px;
  --wrap: 1200px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 4px; }

/* 强调词：衬线同色 + 橙色细下划线 —— 克制的点睛 */
em.acc {
  font-family: var(--serif); font-style: normal; font-weight: 600; color: inherit;
  background: linear-gradient(var(--orange), var(--orange)) no-repeat left 88% / 100% 2px;
  padding-bottom: .1em;
}

/* ---------- 图标 ---------- */
.ic { width: 24px; height: 24px; }
.ic-s { width: 15px; height: 15px; vertical-align: -2.5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn .btn-cir {
  width: 24px; height: 24px; border-radius: 50%; background: rgba(255, 255, 255, .18);
  display: inline-grid; place-items: center; margin-right: -10px; flex-shrink: 0;
  transition: transform .18s ease;
}
.btn:hover .btn-cir { transform: translateX(4px); }
.btn .btn-cir svg { width: 12px; height: 12px; }
.btn-solid { background: var(--ink); color: #fff; }
.btn-solid:hover { background: var(--blue); }
.btn-ghost { border-color: #C9D1DD; color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: var(--orange-deep); }
.btn-orange .btn-cir { background: rgba(255, 255, 255, .24); }
.btn-white { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-white:hover { border-color: var(--ink); }
.btn-sm { padding: 10px 22px; font-size: 14px; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  background: rgba(247, 248, 250, .78); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent; transition: border-color .2s, background .2s;
}
.nav.scrolled { background: rgba(255, 255, 255, .86); border-bottom-color: var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: inline-flex; align-items: baseline; gap: 10px; }
.brand-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--orange); align-self: center; }
.brand-cn { font-size: 19px; font-weight: 700; letter-spacing: .04em; }
.brand-en { font-family: var(--mono); font-size: 10px; letter-spacing: .24em; color: var(--ink-3); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 14.5px; color: var(--ink-2); padding: 4px 0; font-weight: 500;
  position: relative; transition: color .15s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 50%; bottom: -6px; width: 4px; height: 4px;
  border-radius: 50%; background: var(--orange); transform: translateX(-50%) scale(0);
  transition: transform .18s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.on { color: var(--ink); font-weight: 600; }
.nav-links a.on::after { transform: translateX(-50%) scale(1); }
.nav-links .btn { margin-left: 8px; }
.nav-burger { display: none; background: none; border: 0; width: 42px; height: 42px; flex-direction: column; justify-content: center; gap: 5px; align-items: center; }
.nav-burger span { width: 20px; height: 1.5px; background: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  padding: 76px 0 0;
  background:
    radial-gradient(1100px 520px at 50% -14%, rgba(40, 87, 164, .08), transparent 64%),
    linear-gradient(180deg, #FCFCFD 0%, var(--bg) 90%);
}
.hero-in { text-align: center; padding: 108px 0 84px; display: flex; flex-direction: column; align-items: center; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .3em; color: var(--ink-2);
  margin-bottom: 40px; text-transform: uppercase;
}
.hero-kicker .tick { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.hero-title {
  font-size: clamp(38px, 5.8vw, 72px); line-height: 1.18; font-weight: 700;
  letter-spacing: .015em; max-width: 16em;
}
.hero-sub { margin-top: 30px; max-width: 36em; color: var(--ink-2); font-size: 17px; line-height: 2; }
.hero-cta { margin-top: 44px; display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-note { margin-top: 30px; font-size: 13px; color: var(--ink-3); display: flex; align-items: center; gap: 10px; font-family: var(--mono); letter-spacing: .08em; }
.hero-note .dots { display: none; }

/* 数据条：细线分栏的超大数字，无卡片 */
.hero-stats { border-top: 1px solid var(--line); }
.stats-in { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { text-align: left; padding: 40px 28px 44px; position: relative; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat strong {
  display: block; font-size: clamp(34px, 3.8vw, 54px); line-height: 1.1;
  font-weight: 600; letter-spacing: -.01em; color: var(--ink); font-family: var(--sans);
}
.stat span { font-size: 13px; color: var(--ink-3); font-weight: 500; display: inline-block; margin-top: 10px; }
.stat::before { content: ""; position: absolute; left: 28px; top: 30px; width: 18px; height: 2px; background: var(--orange); }

/* ---------- 章节：编辑式左右分栏头 ---------- */
.sec { padding: 112px 0 100px; }
.sec-head {
  display: grid; grid-template-columns: 220px 1fr; gap: 24px;
  border-top: 1px solid var(--line); padding-top: 34px; margin-bottom: 64px;
  text-align: left; max-width: none;
}
.sh-meta { display: flex; align-items: baseline; gap: 14px; }
.sh-no { font-family: var(--mono); font-size: 13px; color: var(--orange); letter-spacing: .1em; }
.sh-label { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); letter-spacing: .22em; }
.eyebrow { display: none; }
.sec-head .eyebrow { display: none; }
.sec-title { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.34; font-weight: 700; letter-spacing: .01em; max-width: 22em; }
.sec-sub { margin-top: 18px; color: var(--ink-2); font-size: 15.5px; max-width: 40em; }
.sec-more { margin-top: 52px; text-align: center; }
.cat-name {
  font-size: 20px; font-weight: 700; margin: 56px 0 22px;
  display: flex; align-items: center; gap: 12px;
}
.cat-name::before { content: ""; width: 18px; height: 2px; background: var(--orange); }

/* 图标座：统一的淡蓝灰，一种就够 */
.blob, .cap-ic { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: var(--blue); background: var(--tint); }
.b0, .b1, .b2, .b3, .b4, .b5 { background: var(--tint); color: var(--blue); }

/* 业务板块卡：细线，无阴影 */
.path-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card); }
.path-card {
  background: var(--card); padding: 40px 32px 34px;
  display: flex; flex-direction: column; gap: 16px;
  transition: background .22s ease; position: relative;
}
.path-card + .path-card { border-left: 1px solid var(--line); }
.path-card:hover { background: #FBFCFE; }
.path-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .28s ease;
}
.path-card:hover::after { transform: scaleX(1); }
.path-card.is-orange::after { background: var(--orange); }
.pc-top { display: flex; justify-content: space-between; align-items: flex-start; }
.pc-tag { font-family: var(--mono); font-size: 13px; color: var(--ink-3); letter-spacing: .1em; }
.path-card h3 { font-size: 19px; font-weight: 700; margin-top: 6px; }
.path-card p { font-size: 14px; color: var(--ink-2); flex: 1; line-height: 1.9; }
.pc-more { font-size: 13.5px; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 8px; }
.pc-more .ic-s { color: var(--orange); transition: transform .18s; }
.path-card:hover .pc-more .ic-s { transform: translateX(4px); }

.sec-band {
  margin-top: 56px; display: flex; align-items: center; justify-content: flex-start; gap: 6px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 26px 6px; font-size: 15.5px; color: var(--ink-2); border-radius: 0;
  background: none; transition: color .2s;
}
.sec-band strong { color: var(--ink); margin: 0 .25em; font-weight: 700; }
.sec-band:hover { color: var(--ink); }
.sec-band .ic-s { color: var(--orange); margin-left: auto; transition: transform .18s; }
.sec-band:hover .ic-s { transform: translateX(4px); }

/* 步骤：细线列表化 */
.step-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; list-style: none; }
.step-row-5 { grid-template-columns: repeat(5, 1fr); }
.step { background: none; padding: 26px 0 0; position: relative; border-top: 1px solid var(--line); }
.step-no { font-family: var(--mono); font-size: 13px; color: var(--orange); letter-spacing: .1em; }
.step h3 { font-size: 18px; font-weight: 700; margin: 12px 0 10px; }
.step p { font-size: 14px; color: var(--ink-2); line-height: 1.9; }
.step::after { display: none; }

/* 能力：细线网格 */
.cap-head { margin: 110px 0 56px; max-width: none; text-align: left; border-top: 1px solid var(--line); padding-top: 34px; }
.cap-head .eyebrow { display: inline-flex; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); letter-spacing: .22em; background: none; padding: 0; margin-bottom: 16px; align-items: center; gap: 10px; }
.cap-head .eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.cap-title { font-size: clamp(24px, 2.8vw, 36px); font-weight: 700; }
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px 40px; }
.cap-grid-2 { grid-template-columns: repeat(2, 1fr); }
.cap { background: none; padding: 26px 0 0; border-top: 1px solid var(--line); border-radius: 0; }
.cap .blob, .cap .cap-ic { margin-bottom: 20px; }
.cap h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.cap p { font-size: 14px; color: var(--ink-2); line-height: 1.9; }

/* 案例：深色板块 */
.sec-dark { background: var(--navy); color: #fff; }
.sec-dark .sec-head { border-top-color: var(--line-dark); }
.sec-dark .sh-label { color: rgba(255, 255, 255, .6); }
.sec-dark .sec-title { color: #fff; }
.sec-dark .sec-sub { color: rgba(255, 255, 255, .62); }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case {
  background: var(--navy-2); border: 1px solid var(--line-dark); border-radius: var(--r);
  overflow: hidden; display: flex; flex-direction: column; transition: border-color .2s;
}
.case:hover { border-color: rgba(255, 255, 255, .28); }
.case-img { aspect-ratio: 21/9; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-body { padding: 32px 34px; }
.case-body h3 { font-size: 19px; font-weight: 700; margin: 16px 0 10px; color: #fff; }
.case-body p { font-size: 14px; color: rgba(255, 255, 255, .64); line-height: 1.9; }
.chip {
  display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .1em;
  color: var(--blue); border: 1px solid #C9D6EA; border-radius: 999px; padding: 4px 14px; background: none;
}
.sec-dark .chip { color: rgba(255, 255, 255, .75); border-color: var(--line-dark); }
.chip-orange { color: var(--orange-deep); border-color: #F2CFA0; }

/* 客户滚动：纯文字 + 橙点分隔 */
.clients { margin-top: 88px; }
.clients-label { text-align: center; font-family: var(--mono); font-size: 12.5px; letter-spacing: .26em; color: rgba(255, 255, 255, .45); margin-bottom: 34px; }
.sec + .clients, .sec .clients { }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; align-items: center; gap: 0; width: max-content; animation: marquee 60s linear infinite; }
.marquee-track span {
  font-size: 20px; font-weight: 600; color: rgba(255, 255, 255, .78); white-space: nowrap;
  background: none; padding: 0 34px; position: relative; box-shadow: none; border-radius: 0;
}
.marquee-track span::after { content: ""; position: absolute; right: -3px; top: 50%; width: 5px; height: 5px; border-radius: 50%; background: var(--orange); transform: translateY(-50%); opacity: .8; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 洞察：编号细线列表 */
.insight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; counter-reset: ins; }
.insight {
  background: none; border-top: 1px solid var(--line); border-radius: 0; padding: 26px 0 0;
  display: flex; flex-direction: column; gap: 10px; counter-increment: ins;
  transition: none; box-shadow: none;
}
.insight:nth-child(n) { background: none; box-shadow: none; }
.insight::before { content: "0" counter(ins); font-family: var(--mono); font-size: 13px; color: var(--orange); letter-spacing: .1em; }
.insight h3 { font-size: 18px; font-weight: 700; }
.insight p { font-size: 14px; color: var(--ink-2); flex: 1; line-height: 1.9; }
.insight .pc-more { font-size: 13.5px; }
.insight .pc-more .ic-s { background: none; color: var(--orange); width: 15px; height: 15px; padding: 0; }
.insight:hover .pc-more .ic-s { transform: translateX(4px); }

/* 活动 */
.act-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.act { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; transition: border-color .2s; }
.act:hover { border-color: #B9C4D6; }
.act-img { aspect-ratio: 16/9; overflow: hidden; }
.act-img img { width: 100%; height: 100%; object-fit: cover; }
.act-body { padding: 26px 28px 30px; }
.act-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.act-meta time { font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: .06em; }
.act-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.act-body p { font-size: 13.8px; color: var(--ink-2); line-height: 1.9; }

/* 团队：素色，细线 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-grid-3 { grid-template-columns: repeat(3, 1fr); }
.team-grid-5 { grid-template-columns: repeat(5, 1fr); gap: 18px; }
.team-grid-5 .member { padding: 26px 20px; }
.proof-hl { margin-top: 22px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 22px 30px; border: 1px solid var(--line-dark); border-left: 3px solid var(--orange); border-radius: var(--r); font-size: 16px; color: #fff; }
.proof-hl-tag { font-family: var(--mono); font-size: 12px; letter-spacing: .18em; color: var(--orange); }
.foot-qr { margin-top: 20px; display: inline-flex; align-items: center; gap: 14px; }
.foot-qr img { width: 88px; height: 88px; border-radius: 10px; background: #fff; padding: 4px; }
.foot-qr figcaption { font-size: 12.5px; color: rgba(255, 255, 255, .6); }
.member { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 28px 26px; transition: border-color .2s; }
.member:hover { border-color: #B9C4D6; }
.member-img {
  width: 100%; aspect-ratio: 5/3.4; border-radius: 12px; overflow: hidden; margin-bottom: 22px;
  background: var(--tint); display: grid; place-items: center; position: relative;
}
.member:nth-child(n) .member-img { background: var(--tint); }
.member-img::before { content: ""; position: absolute; bottom: -36px; width: 110px; height: 110px; border-radius: 50%; background: #fff; opacity: .7; }
.member-img img { width: 100%; height: 100%; object-fit: cover; position: relative; }
.member-mono { font-size: 32px; font-weight: 700; color: var(--blue); position: relative; opacity: .85; }
.member:nth-child(n) .member-mono { color: var(--blue); }
.member h3 { font-size: 18px; font-weight: 700; }
.member-role { font-family: var(--mono); font-size: 12px; color: var(--orange-deep); letter-spacing: .06em; margin: 6px 0 12px; }
.member-desc { font-size: 13.6px; color: var(--ink-2); line-height: 1.85; }

/* CTA：深色大圆角 */
.cta-band { padding: 10px 0 130px; }
.cta-in {
  background: var(--navy); color: #fff; border-radius: var(--r-lg);
  padding: 84px 88px; display: flex; align-items: center; justify-content: space-between; gap: 48px;
  position: relative; overflow: hidden;
}
.cta-in::before {
  content: ""; position: absolute; right: -140px; top: -160px; width: 420px; height: 420px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .1);
}
.cta-in::after {
  content: ""; position: absolute; right: -60px; top: -80px; width: 260px; height: 260px;
  border-radius: 50%; border: 1px solid rgba(255, 140, 0, .35);
}
.cta-in > div, .cta-in > .btn, .cta-in > a { position: relative; z-index: 1; }
.cta-in h2 { font-size: clamp(26px, 3.2vw, 40px); font-weight: 700; margin-bottom: 14px; letter-spacing: .01em; }
.cta-in h2 em.acc { background-image: linear-gradient(var(--orange), var(--orange)); }
.cta-in p { color: rgba(255, 255, 255, .66); max-width: 34em; font-size: 15.5px; }

/* ---------- 子页 ---------- */
.page-hero {
  padding: 196px 0 96px; text-align: left;
  background:
    radial-gradient(1000px 460px at 50% -16%, rgba(40, 87, 164, .07), transparent 64%),
    linear-gradient(180deg, #FCFCFD 0%, var(--bg) 92%);
}
.page-hero .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .26em; color: var(--ink-2);
  background: none; padding: 0; box-shadow: none; margin-bottom: 26px;
}
.page-hero .eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.ph-title { font-size: clamp(32px, 4.6vw, 58px); line-height: 1.22; font-weight: 700; max-width: 18em; margin: 0; letter-spacing: .01em; }
.ph-sub { margin: 24px 0 0; color: var(--ink-2); max-width: 42em; font-size: 16.5px; line-height: 2; }

.level-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.level { background: none; border-top: 1px solid var(--line); border-radius: 0; padding: 28px 0 26px; position: relative; overflow: visible; }
.level-tag { display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: .16em; background: none; color: var(--orange); padding: 0; }
.level h3 { font-size: 22px; font-weight: 700; margin: 14px 0 4px; }
.level-who { font-size: 13px; color: var(--ink-3); margin-bottom: 12px; }
.level p { font-size: 14.2px; color: var(--ink-2); line-height: 1.9; }
.level-bar { position: absolute; left: 0; top: -1px; height: 2px; width: calc(var(--p) * 100%); background: var(--blue); bottom: auto; }

.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.course { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px 26px; box-shadow: none; transition: border-color .2s; }
.course:hover { border-color: #B9C4D6; }
.course h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.course p { font-size: 13.5px; color: var(--ink-2); line-height: 1.85; }

.camp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.camp { background: none; border-top: 1px solid var(--line); border-radius: 0; padding: 26px 0 0; box-shadow: none; }
.camp::before { display: none; }
.camp h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.camp h4::before { content: ""; display: block; width: 18px; height: 2px; background: var(--orange); margin-bottom: 16px; }
.camp p { font-size: 14px; color: var(--ink-2); line-height: 1.9; }

.client-wall { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-start; }
.client-wall span { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 8px 22px; font-size: 14px; font-weight: 500; color: var(--ink-2); box-shadow: none; }
.cw-more { color: var(--ink-3); }

.dw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.dw { background: none; border-top: 1px solid var(--line); border-radius: 0; padding: 24px 0 0; box-shadow: none; }
.dw .ic { color: var(--orange); margin-bottom: 14px; width: 22px; height: 22px; }
.dw h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.dw p { font-size: 13.6px; color: var(--ink-2); line-height: 1.85; }

.svc-table { display: flex; flex-direction: column; }
.svc-row {
  display: flex; justify-content: space-between; gap: 28px;
  background: none; border-radius: 0; padding: 22px 4px; box-shadow: none;
  border-top: 1px solid var(--line); transition: background .18s;
}
.svc-row:last-child { border-bottom: 1px solid var(--line); }
.svc-row:hover { background: #FDFDFE; transform: none; }
.svc-main h4 { font-size: 15.5px; font-weight: 700; }
.svc-main p { font-size: 13.5px; color: var(--ink-2); margin-top: 4px; }
.svc-side { text-align: right; flex-shrink: 0; display: flex; flex-direction: column; gap: 6px; min-width: 150px; align-items: flex-end; }
.svc-cycle { font-family: var(--mono); font-size: 12.5px; font-weight: 500; color: var(--blue); background: none; padding: 0; letter-spacing: .04em; }
.svc-note { font-size: 12px; color: var(--ink-3); }

.loop-band { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card); }
.loop-cell { border-radius: 0; padding: 30px 18px; text-align: left; background: var(--card); box-shadow: none; }
.loop-cell:nth-child(n) { background: var(--card); box-shadow: none; }
.loop-cell + .loop-cell { border-left: 1px solid var(--line); }
.loop-cell h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.loop-cell h4::before { content: ""; display: block; width: 14px; height: 2px; background: var(--orange); margin-bottom: 14px; }
.loop-cell p { font-size: 12.5px; color: var(--ink-2); line-height: 1.8; }

.who-band { margin-top: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.who-band > div { background: none; border-top: 1px solid var(--line); border-radius: 0; padding: 24px 0 0; box-shadow: none; }
.who-band h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--ink); }
.who-band h4::before { content: ""; display: block; width: 18px; height: 2px; background: var(--orange); margin-bottom: 14px; }
.who-band p { font-size: 14.5px; color: var(--ink-2); }

.prod-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.prod { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: none; transition: border-color .2s; }
.prod:hover { border-color: #B9C4D6; }
.prod-img { aspect-ratio: 21/9; overflow: hidden; background: var(--tint); }
.prod-img img { width: 100%; height: 100%; object-fit: cover; }
.prod-body { padding: 30px 34px 34px; }
.prod-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.prod-top h3 { font-size: 21px; font-weight: 700; }
.prod-tagline { font-size: 13.5px; color: var(--blue); font-weight: 600; margin: 8px 0 12px; }
.prod-body > p:last-child { font-size: 14.2px; color: var(--ink-2); line-height: 1.9; }

.ent-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.ent { background: none; border-top: 1px solid var(--line); border-radius: 0; padding: 26px 0 0; box-shadow: none; }
.ent:hover { transform: none; }
.ent h3 { font-size: 20px; font-weight: 700; margin: 14px 0 8px; }
.ent p { font-size: 14.2px; color: var(--ink-2); line-height: 1.9; }

.rhythm { margin-top: 64px; }
.rhythm .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .24em; color: var(--ink-2);
  background: none; padding: 0;
}
.rhythm .eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.rhythm-row { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; counter-reset: r; margin-top: 26px; }
.rhythm-row li { counter-increment: r; background: none; border-top: 1px solid var(--line); border-radius: 0; padding: 22px 0 0; font-size: 13.8px; color: var(--ink-2); box-shadow: none; position: relative; overflow: visible; }
.rhythm-row li::before { content: counter(r, decimal-leading-zero); position: static; font-family: var(--mono); font-size: 13px; color: var(--orange); display: block; margin-bottom: 10px; letter-spacing: .1em; }
.rhythm-row li:nth-child(even)::before { color: var(--orange); }
.rhythm-row strong { display: block; color: var(--ink); font-size: 16px; font-weight: 700; margin-bottom: 4px; }

/* 生态飞轮（关于页） */
.flywheel { text-align: center; }
.flywheel svg { width: min(320px, 76vw); height: auto; }
.fw-ring { fill: none; stroke: #D4DBE6; stroke-width: 1.2; }
.fw-ring-inner { stroke-dasharray: 3 6; opacity: .8; }
.fw-arc { fill: none; stroke: var(--blue); stroke-width: 1.4; opacity: .3; }
.fw-node { fill: #fff; stroke: var(--blue); stroke-width: 1.4; }
.fw-label { font-size: 15px; font-weight: 700; fill: var(--ink); text-anchor: middle; font-family: var(--sans); }
.fw-dot { fill: var(--orange); }
.fw-center { font-size: 16px; font-weight: 700; fill: var(--ink); text-anchor: middle; font-family: var(--sans); }
.fw-center-en { font-family: var(--mono); font-size: 7px; letter-spacing: .26em; fill: var(--ink-3); text-anchor: middle; }
.fw-note { margin-top: 16px; font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); letter-spacing: .1em; }
.about-lead { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.about-lead .ph-title, .about-lead .ph-sub { text-align: left; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy); color: rgba(255, 255, 255, .68); padding: 84px 0 0; border-radius: 0; }
.footer .brand-cn { color: #fff; }
.foot-top { display: grid; grid-template-columns: 1.2fr 2fr; gap: 64px; padding-bottom: 56px; }
.foot-brand p { font-size: 13.5px; margin-top: 18px; max-width: 30em; line-height: 2; }
.foot-contact { color: rgba(255, 255, 255, .46); }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.foot-cols h5 { color: rgba(255, 255, 255, .45); font-size: 12px; margin-bottom: 18px; letter-spacing: .22em; font-family: var(--mono); font-weight: 500; }
.foot-cols a { display: block; font-size: 14px; padding: 5px 0; color: rgba(255, 255, 255, .78); transition: color .15s; }
.foot-cols a:hover { color: var(--orange); }
.foot-ent { font-size: 13px; line-height: 2.1; color: rgba(255, 255, 255, .78); }
.foot-word {
  font-size: clamp(64px, 10.5vw, 148px); font-weight: 700; line-height: 1.05; text-align: center;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .1);
  letter-spacing: .06em; user-select: none; white-space: nowrap; overflow: hidden;
}
.foot-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 26px 0 30px; font-size: 12.5px; color: rgba(255, 255, 255, .4);
  border-top: 1px solid var(--line-dark);
}
.foot-bottom a:hover { color: var(--orange); }

/* ---------- 联系弹窗 ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-mask { position: absolute; inset: 0; background: rgba(10, 18, 34, .6); backdrop-filter: blur(5px); }
.modal-card { position: relative; background: #fff; border-radius: 22px; padding: 46px 46px 40px; max-width: 520px; width: 100%; box-shadow: 0 40px 100px rgba(6, 14, 30, .4); max-height: 90vh; overflow: auto; }
.modal-x { position: absolute; top: 16px; right: 20px; background: none; border: 0; font-size: 26px; color: var(--ink-3); line-height: 1; }
.modal-kicker { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: .24em; color: var(--ink-2); margin-bottom: 16px; background: none; padding: 0; }
.modal-kicker::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.modal-title { font-size: 23px; font-weight: 700; line-height: 1.45; }
.modal-sub { font-size: 14px; color: var(--ink-2); margin-top: 10px; }
.modal-contact { margin-top: 28px; display: flex; flex-direction: column; }
.mc-row { display: flex; gap: 16px; align-items: center; background: none; border-radius: 0; padding: 16px 2px; border-top: 1px solid var(--line); }
.mc-row:last-child { border-bottom: 1px solid var(--line); }
.mc-row .ic { color: var(--blue); flex-shrink: 0; width: 22px; height: 22px; }
.mc-row em { display: block; font-style: normal; font-size: 12px; color: var(--ink-3); }
.mc-row strong { font-size: 16px; font-weight: 700; }
.modal-qrs { margin-top: 24px; display: flex; gap: 16px; flex-wrap: wrap; }
.modal-qrs figure { text-align: center; }
.modal-qrs img { width: 128px; height: 128px; border-radius: 12px; border: 1px solid var(--line); }
.modal-qrs figcaption { font-size: 12px; color: var(--ink-3); margin-top: 6px; }

/* ---------- 滚动显现 ---------- */
html.js .js-reveal, html.js .path-card, html.js .cap, html.js .case, html.js .insight, html.js .act,
html.js .member, html.js .step, html.js .prod, html.js .level, html.js .camp, html.js .ent,
html.js .loop-cell, html.js .dw {
  opacity: 0; transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease, background .2s ease, border-color .2s ease;
}
html.js .in-view { opacity: 1 !important; transform: none !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html.js .js-reveal, html.js .path-card, html.js .cap, html.js .case, html.js .insight, html.js .act,
  html.js .member, html.js .step, html.js .prod, html.js .level, html.js .camp, html.js .ent,
  html.js .loop-cell, html.js .dw { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .path-grid { grid-template-columns: repeat(2, 1fr); }
  .path-card:nth-child(3), .path-card:nth-child(4) { border-top: 1px solid var(--line); }
  .path-card:nth-child(3) { border-left: 0; }
  .insight-grid, .team-grid, .team-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .step-row, .step-row-5 { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .cap-grid, .course-grid, .dw-grid, .camp-grid, .team-grid-3, .act-grid, .level-grid { grid-template-columns: repeat(2, 1fr); }
  .loop-band { grid-template-columns: repeat(3, 1fr); }
  .loop-cell:nth-child(n+4) { border-top: 1px solid var(--line); }
  .loop-cell:nth-child(4) { border-left: 0; }
  .stats-in { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(4), .stat:nth-child(5) { border-top: 1px solid var(--line); }
  .stat:nth-child(4) { border-left: 0; }
  .sec-head { grid-template-columns: 1fr; gap: 14px; }
  .about-lead { grid-template-columns: 1fr; }
  .about-lead .flywheel { order: -1; }
  .cta-in { padding: 60px 48px; }
}
@media (max-width: 720px) {
  .sec { padding: 76px 0 68px; }
  .nav-links {
    position: fixed; inset: 76px 16px auto 16px; background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 18px 22px; gap: 2px; border-radius: 18px; display: none;
    box-shadow: 0 28px 70px rgba(8, 18, 38, .2); border: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 8px; font-size: 15.5px; }
  .nav-links a.on::after { left: -2px; bottom: auto; top: 50%; transform: translateY(-50%) scale(1); }
  .nav-links .btn { margin: 12px 4px 0; justify-content: center; }
  .nav-burger { display: flex; }
  .hero-in { padding: 72px 0 56px; }
  .path-grid { grid-template-columns: 1fr; }
  .path-card + .path-card { border-left: 0; border-top: 1px solid var(--line); }
  .cap-grid, .cap-grid-2, .case-grid, .insight-grid, .act-grid, .team-grid, .team-grid-3, .team-grid-5,
  .course-grid, .dw-grid, .camp-grid, .prod-grid, .ent-grid, .level-grid, .who-band,
  .step-row, .step-row-5, .rhythm-row { grid-template-columns: 1fr; }
  .loop-band { grid-template-columns: 1fr 1fr; }
  .loop-cell:nth-child(n+3) { border-top: 1px solid var(--line); }
  .loop-cell:nth-child(odd) { border-left: 0; }
  .loop-cell:nth-child(even) { border-left: 1px solid var(--line); }
  .stats-in { grid-template-columns: 1fr 1fr; }
  .stat { padding: 26px 18px 30px; }
  .stat::before { left: 18px; top: 18px; }
  .stat:nth-child(odd) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .cta-in { flex-direction: column; align-items: flex-start; padding: 48px 32px; }
  .sec-band { display: block; line-height: 2; }
  .sec-band .ic-s { margin-left: 6px; }
  .svc-row { flex-direction: column; gap: 10px; }
  .svc-side { text-align: left; flex-direction: row; gap: 14px; align-items: center; }
  .foot-top { grid-template-columns: 1fr; gap: 36px; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
  .modal-card { padding: 34px 26px 30px; }
  .page-hero { padding: 150px 0 64px; }
}

/* =========================================================
   v3.1 优化（2026-09）
   1 中文标签不再用等宽字体+大字距   2 橙色下划线只留首屏
   3 正文加大加深                    4 板块间距收紧
   5 首屏可左文右图                  6 流程改时间轴
   7 配图后的案例/活动/团队样式      8 手机端修复
   ========================================================= */
:root { --ink-2: #3F4859; --ink-3: #6F788A; }

/* 1 中文标签 */
.hero-kicker, .sh-label, .cap-head .eyebrow, .clients-label, .chip, .member-role, .proof-hl-tag, .hero-note {
  font-family: var(--sans); letter-spacing: .06em;
}
.hero-kicker { font-size: 14px; font-weight: 500; text-transform: none; }
.sh-label { font-size: 14px; font-weight: 600; color: var(--ink); }
.sec-dark .sh-label { color: rgba(255, 255, 255, .85); }
.clients-label { font-size: 14px; }
.chip { font-size: 12.5px; letter-spacing: .04em; }
.member-role { font-size: 13px; font-weight: 600; letter-spacing: .02em; }
.proof-hl-tag { font-size: 13px; font-weight: 700; }
.hero-note { font-size: 13.5px; }

/* 2 强调：首屏保留衬线+下划线，其余改为主色字 */
em.acc { font-family: inherit; font-weight: inherit; background: none; padding: 0; color: var(--blue); }
.hero-title em.acc {
  font-family: var(--serif); font-weight: 600; color: inherit;
  background: linear-gradient(var(--orange), var(--orange)) no-repeat left 88% / 100% 3px; padding-bottom: .1em;
}
.sec-dark em.acc, .cta-in em.acc, .proof-hl em.acc { color: var(--orange); background: none; }

/* 3 正文可读性 */
.path-card p, .step p, .cap p, .insight p, .act-body p, .case-body p { font-size: 15px; line-height: 1.85; }
.member-desc { font-size: 14.5px; line-height: 1.8; }
.sec-sub { font-size: 16px; }
.case-body p { color: rgba(255, 255, 255, .74); }

/* 4 间距 */
.sec { padding: 92px 0 84px; }
.sec-head { margin-bottom: 48px; }
.cap-head { margin: 84px 0 44px; }
.clients { margin-top: 72px; }
.cta-band { padding-bottom: 100px; }

/* 5 首屏 */
.hero-in { padding-left: 28px; padding-right: 28px; }
.hero-text { display: flex; flex-direction: column; align-items: center; }
.hero-has-img .hero-in {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
  text-align: left; padding-top: 72px; padding-bottom: 72px;
}
.hero-has-img .hero-text { align-items: flex-start; }
.hero-has-img .hero-title { font-size: clamp(32px, 3.5vw, 50px); }
.hero-has-img .hero-cta { justify-content: flex-start; }
.hero-visual { border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/3; background: var(--tint); box-shadow: 0 30px 80px rgba(14, 26, 48, .14); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

/* 6 流程时间轴 */
.step-row { gap: 28px; }
.step { border-top: 0; padding-top: 0; }
.step-no {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--card); border: 1.5px solid var(--orange); color: var(--orange-deep);
  font-size: 14px; font-weight: 700; letter-spacing: 0; position: relative; z-index: 1;
}
.step::before { content: ""; position: absolute; top: 22px; left: 44px; right: -28px; height: 1.5px; background: var(--line); }
.step:last-child::before { display: none; }
.step h3 { margin-top: 18px; }

/* 7 配图 */
.case-img { aspect-ratio: 16/9; }
.case-img img, .act-img img { transition: transform .5s ease; }
.case:hover .case-img img, .act:hover .act-img img { transform: scale(1.03); }
.member-img:has(img) { aspect-ratio: 1/1; background: #EEF2F8; }
.member-img:has(img)::before { display: none; }
.team-grid-3 .member-img:has(img) { aspect-ratio: 4/3; }
.member-img img { object-position: center 30%; }

/* 8 响应式 */
@media (max-width: 1080px) {
  .hero-has-img .hero-in { grid-template-columns: 1fr; gap: 40px; }
  .step::before { display: none; }
}
@media (max-width: 720px) {
  .hero-in { padding: 64px 20px 48px; }
  .wrap { padding: 0 20px; }
  .hero-sub { font-size: 16px; line-height: 1.9; }
  .hero-cta { width: 100%; }
  .hero-cta .btn { flex: 1 1 auto; justify-content: center; }
  .stat:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .sec { padding: 68px 0 60px; }
  .sec-head { margin-bottom: 36px; }
  .cap-head { margin: 64px 0 36px; }
  .team-grid-3 .member-img:has(img), .member-img:has(img) { aspect-ratio: 4/3; }
}
.case-img, .act-img { position: relative; }
.img-credit { position: absolute; right: 10px; bottom: 8px; font-size: 11px; color: #fff; background: rgba(14, 26, 48, .55); padding: 2px 8px; border-radius: 6px; line-height: 1.6; }