/* ==========================================================================
   斑兔企服官网 · 设计系统
   风格：专业稳重 · 信任感。深蓝为主，强调蓝做 CTA，大留白。
   ========================================================================== */

:root {
  --navy:        #1E3A8A;
  --navy-deep:   #0F1F52;
  --primary:     #1E40AF;
  --blue:        #2563EB;
  --blue-dark:   #1D4ED8;
  --blue-soft:   #DBEAFE;
  --sky:         #EFF6FF;
  --ink:         #0F172A;
  --text:        #1E293B;
  --muted:       #64748B;
  --line:        #E2E8F0;
  --line-soft:   #EEF2F7;
  --bg:          #FFFFFF;
  --bg-soft:     #F8FAFC;
  --amber:       #F59E0B;
  --green:       #16A34A;
  --red:         #DC2626;

  --radius-sm:   4px;
  --radius:      6px;
  --radius-lg:   8px;
  --shadow-sm:   0 1px 2px rgba(15,23,42,.05), 0 1px 3px rgba(15,23,42,.06);
  --shadow:      0 12px 32px -14px rgba(30,64,175,.22);
  --shadow-lg:   0 28px 64px -24px rgba(30,64,175,.32);

  --container:   1180px;
  --header-h:    72px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font); font-size: 16px; line-height: 1.7; color: var(--text);
  background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(28px, 3.4vw, 38px); letter-spacing: -.02em; }
h3 { font-size: 20px; }
p  { color: var(--text); }
.muted { color: var(--muted); }
:focus-visible { outline: 3px solid rgba(37,99,235,.35); outline-offset: 2px; border-radius: 6px; }
::selection { background: var(--blue-soft); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head p { margin-top: 14px; font-size: 17px; color: var(--muted); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; }
.section-head:not(.left) .eyebrow::after { content: ""; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; }
.section-head:not(.left) .eyebrow::before { display: inline-block; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 6px; font-weight: 600; font-size: 15px; line-height: 1;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px -8px rgba(37,99,235,.6); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 12px 24px -8px rgba(37,99,235,.65); }
.btn-outline { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost { color: var(--blue); padding-left: 0; padding-right: 0; }
.btn-ghost:hover { gap: 12px; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--sky); transform: translateY(-1px); }
.btn-sm { padding: 10px 18px; font-size: 14px; border-radius: 6px; }
.btn-lg { padding: 17px 32px; font-size: 16px; }

/* ---------- 顶栏 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent; transition: box-shadow .2s, border-color .2s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 6px 24px -18px rgba(15,23,42,.25); }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 44px; width: auto; }
.menu { display: flex; align-items: center; gap: 4px; }
.menu > a, .menu > .has-sub > a {
  display: inline-flex; align-items: center; gap: 4px; padding: 10px 14px; border-radius: 6px;
  font-weight: 500; font-size: 15px; color: var(--text); transition: background .15s, color .15s; white-space: nowrap;
}
.menu .m-cta { display: none; } /* 仅手机抽屉里显示 */
.menu > a:hover, .menu > .has-sub > a:hover, .menu > a.active, .menu > .has-sub.active > a { color: var(--blue); background: var(--sky); }
.menu > .has-sub > a svg { width: 16px; height: 16px; transition: transform .2s; }
.has-sub { position: relative; }
.has-sub:hover > a svg { transform: rotate(180deg); }
.sub {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translate(-50%, 8px);
  width: 560px; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 8px;
  box-shadow: var(--shadow-lg); display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  opacity: 0; visibility: hidden; transition: opacity .18s, transform .18s, visibility .18s;
}
.has-sub:hover .sub, .has-sub.open .sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.sub a { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border-radius: 6px; transition: background .15s; }
.sub a:hover { background: var(--sky); }
.sub-ico {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 6px; display: grid; place-items: center;
  background: var(--sky); color: var(--blue);
}
.sub-ico svg { width: 20px; height: 20px; }
.sub b { display: block; font-size: 14.5px; color: var(--ink); font-weight: 600; }
.sub small { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; line-height: 1.4; }
.sub-foot { grid-column: 1 / -1; margin-top: 6px; padding: 10px 12px 4px; border-top: 1px solid var(--line-soft); }
.sub-foot a { padding: 6px 0; font-size: 14px; font-weight: 600; color: var(--blue); display: inline-flex; gap: 6px; align-items: center; }
.sub-foot a svg { width: 16px; height: 16px; }
.nav-right { display: flex; align-items: center; gap: 10px; }

.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 12px; border-radius: 6px;
  font-size: 14px; font-weight: 500; color: var(--text); border: 1px solid var(--line); background: #fff; white-space: nowrap;
}
.lang-btn:hover { border-color: var(--blue); color: var(--blue); }
.lang-btn svg { width: 16px; height: 16px; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 180px; padding: 6px;
  background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s;
}
.lang.open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-menu a { display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; border-radius: 4px; font-size: 14px; }
.lang-menu a:hover { background: var(--sky); }
.lang-menu a.active { color: var(--blue); font-weight: 600; }
.lang-menu a.active::after { content: "✓"; font-size: 12px; }

.burger { display: none; width: 42px; height: 42px; border-radius: 6px; place-items: center; border: 1px solid var(--line); }
.burger svg { width: 22px; height: 22px; }
.burger .ico-close { display: none; }
body.nav-open .burger .ico-menu { display: none; }
body.nav-open .burger .ico-close { display: block; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden; padding: 32px 0 112px;
  background:
    radial-gradient(900px 480px at 8% -10%, rgba(37,99,235,.14), transparent 60%),
    radial-gradient(700px 420px at 100% 0%, rgba(30,58,138,.10), transparent 60%),
    linear-gradient(180deg, #F5F8FF 0%, #FFFFFF 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(30,64,175,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(30,64,175,.06) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 80%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 80%);
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px 7px 8px; border-radius: 4px;
  background: #fff; border: 1px solid var(--blue-soft); color: var(--primary); font-size: 13.5px; font-weight: 600; margin-bottom: 26px;
  box-shadow: var(--shadow-sm);
}
.hero-eyebrow i { width: 22px; height: 22px; border-radius: 50%; background: var(--blue); display: grid; place-items: center; }
.hero-eyebrow i svg { width: 12px; height: 12px; color: #fff; }
.hero h1 { color: var(--navy); }
.hero h1 .sub { display: block; margin-top: 8px; font-size: .62em; font-weight: 700; color: var(--blue); letter-spacing: 0; }
.hero-desc { margin: 24px 0 34px; max-width: 580px; font-size: 17.5px; line-height: 1.8; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 36px; }
.hero-badges li { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); font-weight: 500; }
.hero-badges svg { width: 18px; height: 18px; color: var(--green); }

/* Hero 右侧：团队照 + 浮动信息片 */
.hero-visual { position: relative; }
/* 无背景框：人物直接坐在 hero 底色上，身后只留一团柔光 */
.hero-photo-wrap {
  position: relative; aspect-ratio: 1 / .88; isolation: isolate;
  display: flex; align-items: flex-end; justify-content: center;
}
.hero-photo-wrap::after {
  content: ""; position: absolute; z-index: 0; width: 110%; aspect-ratio: 1; border-radius: 50%; left: -5%; top: 4%;
  background: radial-gradient(circle, rgba(37,99,235,.20), rgba(219,234,254,.35) 45%, transparent 68%);
  filter: blur(6px);
}
.hero-photo { position: relative; z-index: 1; width: 96%; height: auto; margin-bottom: 0; filter: drop-shadow(0 26px 34px rgba(30,64,175,.22)); }
.chip {
  position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow-lg);
}
.chip b { font-size: 22px; font-weight: 800; color: var(--primary); line-height: 1; letter-spacing: -.02em; }
.chip span { font-size: 13px; color: var(--muted); font-weight: 500; white-space: nowrap; }
.chip i { width: 30px; height: 30px; border-radius: 50%; background: #ECFDF5; color: var(--green); display: grid; place-items: center; flex-shrink: 0; }
.chip i svg { width: 16px; height: 16px; }
.chip img { width: 28px; height: 28px; flex-shrink: 0; }
.chip-b { bottom: 30px; right: -20px; padding: 12px 18px 12px 14px; }
.chip-b span { color: var(--navy); font-weight: 700; font-size: 14.5px; letter-spacing: .01em; }

/* ---------- 数据条 ---------- */
.stats { margin-top: -64px; position: relative; z-index: 2; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden;
}
.stat { padding: 30px 24px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line-soft); }
.stat b { display: block; font-size: 38px; font-weight: 800; color: var(--primary); letter-spacing: -.03em; line-height: 1.1; }
.stat span { display: block; margin-top: 6px; font-size: 14px; color: var(--muted); }

/* ---------- 服务卡片 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc {
  position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 30px 28px 26px; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-soft); }
.svc-ico {
  width: 52px; height: 52px; border-radius: 8px; display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(135deg, var(--sky), var(--blue-soft)); color: var(--primary);
}
.svc-ico svg { width: 26px; height: 26px; }
.svc h3 { font-size: 21px; margin-bottom: 4px; }
.svc .tag { font-size: 13px; color: var(--blue); font-weight: 600; margin-bottom: 12px; }
.svc p { font-size: 15px; color: var(--muted); margin-bottom: 18px; }
.svc ul { display: grid; gap: 8px; margin-bottom: 22px; }
.svc li { display: flex; gap: 9px; align-items: flex-start; font-size: 14.5px; color: var(--text); }
.svc li svg { flex-shrink: 0; width: 17px; height: 17px; margin-top: 4px; color: var(--blue); }
.svc .more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 15px; color: var(--blue); }
.svc .more svg { width: 18px; height: 18px; transition: transform .2s; }
.svc:hover .more svg { transform: translateX(4px); }
.svc .more::after { content: ""; position: absolute; inset: 0; }

/* ---------- 优势 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why { padding: 30px 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.why-ico { width: 48px; height: 48px; border-radius: 6px; background: var(--navy); color: #fff; display: grid; place-items: center; margin-bottom: 18px; }
.why-ico svg { width: 24px; height: 24px; }
.why h3 { font-size: 19px; margin-bottom: 8px; }
.why p { font-size: 14.5px; color: var(--muted); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; counter-reset: step; }
.step { position: relative; padding: 28px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.step-n {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 18px;
  background: var(--blue); color: #fff; font-weight: 800; font-size: 17px; box-shadow: 0 8px 16px -6px rgba(37,99,235,.5);
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--muted); }
.step::after {
  content: ""; position: absolute; top: 50px; right: -24px; width: 24px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--blue-soft) 0 6px, transparent 6px 10px);
}
.step:last-child::after { display: none; }

/* ---------- AI BantuCRM 板块 ---------- */
.crm {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 55%, var(--primary) 100%);
}
.crm::before {
  content: ""; position: absolute; width: 640px; height: 640px; right: -200px; top: -260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,.28), transparent 68%); pointer-events: none;
}
.stats + .crm { margin-top: 88px; }   /* 数据条与协同系统板块之间留白 */
.crm-grid { position: relative; display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
.crm .eyebrow { color: #93C5FD; }
.crm .eyebrow::before { background: #93C5FD; }
.crm h2 { color: #fff; }
.crm-copy > p { color: rgba(255,255,255,.82); font-size: 17px; margin: 14px 0 28px; max-width: 540px; }
.crm-list { display: grid; gap: 16px; }
.crm-list li { display: flex; gap: 14px; align-items: flex-start; }
.crm-list i {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 6px; display: grid; place-items: center;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.16);
}
.crm-list svg { width: 20px; height: 20px; color: #BFDBFE; }
.crm-list b { display: block; color: #fff; font-size: 16px; margin-bottom: 2px; }
.crm-list span { color: rgba(255,255,255,.74); font-size: 14.5px; }
.crm-visual { display: grid; gap: 16px; }
.crm-card { background: #fff; color: var(--text); border-radius: 8px; padding: 22px 24px; box-shadow: var(--shadow-lg); }
.crm-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.crm-card-head b { color: var(--ink); font-size: 15px; }
.crm-pill { font-size: 12px; font-weight: 700; color: #B45309; background: #FEF3C7; padding: 3px 9px; border-radius: 4px; }
.crm-project { font-size: 20px; font-weight: 800; color: var(--navy); }
.crm-meta { font-size: 13.5px; color: var(--muted); margin: 4px 0 12px; }
.crm-bar { height: 6px; background: var(--line-soft); border-radius: 3px; overflow: hidden; margin-bottom: 16px; }
.crm-bar i { display: block; height: 100%; width: 60%; background: linear-gradient(90deg, var(--blue), #60A5FA); border-radius: 3px; }
.crm-steps { display: grid; gap: 8px; counter-reset: s; }
.crm-steps li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.crm-steps li::before {
  counter-increment: s; content: counter(s); flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  border: 1.5px solid var(--line); display: grid; place-items: center; font-size: 11px; font-weight: 700; color: var(--muted);
}
.crm-steps li.done { color: var(--text); }
.crm-steps li.done::before { content: "✓"; background: #ECFDF5; border-color: #A7F3D0; color: var(--green); }
.crm-steps li.now { color: var(--ink); font-weight: 600; }
.crm-steps li.now::before { background: var(--blue); border-color: var(--blue); color: #fff; }
/* 脱敏系统截图（存在 assets/img/crm-shot.png 时启用） */
.crm-shot { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.25); }
.crm-shot-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: #F1F5F9; border-bottom: 1px solid var(--line); }
.crm-shot-bar i { width: 10px; height: 10px; border-radius: 50%; background: #CBD5E1; }
.crm-shot-bar i:nth-child(1) { background: #FCA5A5; } .crm-shot-bar i:nth-child(2) { background: #FCD34D; } .crm-shot-bar i:nth-child(3) { background: #86EFAC; }
.crm-shot-bar span { margin-left: auto; margin-right: auto; font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.crm-shot img { display: block; width: 100%; height: auto; }
.crm-visual:has(.crm-shot) .crm-alert { margin: -28px 0 0 auto; width: min(360px, 88%); position: relative; }
.crm-alert { background: #fff; border-left: 4px solid var(--amber); border-radius: 6px; padding: 16px 18px; color: var(--text); box-shadow: var(--shadow); font-size: 14px; }
.crm-alert b { display: block; color: var(--ink); margin-bottom: 6px; font-size: 15px; }
.crm-alert span { display: block; color: var(--text); line-height: 1.7; }
.crm-alert .src { margin-top: 8px; font-size: 12px; color: var(--muted); }

/* ---------- 客户 / 案例 ---------- */
.industries { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.ind {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; padding: 26px 14px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s, transform .2s;
}
.ind:hover { border-color: var(--blue-soft); transform: translateY(-3px); }
.ind i {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-weight: 800;
  font-size: 18px; background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff;
}
.ind b { font-size: 15px; color: var(--ink); }
.ind span { font-size: 12.5px; color: var(--muted); }
.stories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.story { padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); display: flex; flex-direction: column; }
.story .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue); background: var(--sky); padding: 5px 10px; border-radius: 4px; margin-bottom: 16px; align-self: flex-start; }
.story h3 { font-size: 19px; margin-bottom: 10px; }
.story p { font-size: 14.5px; color: var(--muted); flex: 1; }
.story .result { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-soft); display: flex; gap: 8px; align-items: center; font-size: 14px; font-weight: 600; color: var(--ink); }
.story .result svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; }
.note { margin-top: 20px; text-align: center; font-size: 13px; color: var(--muted); }

/* 具名客户案例 */
.clients-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.client {
  position: relative; overflow: hidden; display: grid; gap: 6px; padding: 24px 24px 22px 28px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); transition: transform .2s, box-shadow .2s;
}
.client::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, var(--navy), var(--blue)); }
.client:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.client .tag { justify-self: start; font-size: 12px; font-weight: 700; color: var(--blue); background: var(--sky); padding: 4px 10px; border-radius: 4px; margin-bottom: 6px; }
.client-name { font-size: 24px; font-weight: 800; color: var(--navy); letter-spacing: -.01em; line-height: 1.2; }
.client-svc { font-size: 15px; font-weight: 600; color: var(--ink); }
.client small { font-size: 13.5px; color: var(--muted); }

/* 政策速递 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news {
  display: flex; flex-direction: column; padding: 26px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); transition: transform .2s, box-shadow .2s, border-color .2s;
}
.news:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-soft); }
.news .tag { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--blue); background: var(--sky); padding: 5px 10px; border-radius: 4px; margin-bottom: 14px; }
.news h3 { font-size: 19px; margin-bottom: 8px; }
.news p { font-size: 14.5px; color: var(--muted); flex: 1; }
.news .more { margin-top: 18px; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14.5px; color: var(--blue); }
.news .more svg { width: 18px; height: 18px; transition: transform .2s; }
.news:hover .more svg { transform: translateX(4px); }

/* ---------- CTA 横幅 ---------- */
.cta-band { padding: 0 0 96px; }
.cta-box {
  position: relative; overflow: hidden; padding: 64px 56px; border-radius: 6px; color: #fff;
  background: linear-gradient(120deg, var(--navy-deep) 0%, var(--navy) 55%, var(--blue) 100%);
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center;
}
.cta-box::before, .cta-box::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,.16), transparent 70%);
}
.cta-box::before { width: 420px; height: 420px; right: -120px; top: -180px; }
.cta-box::after { width: 300px; height: 300px; left: -100px; bottom: -160px; }
.cta-box h2 { color: #fff; margin-bottom: 12px; }
.cta-box p { color: rgba(255,255,255,.82); font-size: 16.5px; max-width: 560px; }
.cta-actions { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 14px; justify-self: end; }
.cta-actions small { color: rgba(255,255,255,.7); font-size: 14px; }
.cta-actions small a { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.72); padding: 72px 0 0; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 56px; }
.foot-brand img { height: 44px; width: auto; margin-bottom: 18px; }
.foot-brand p { font-size: 14.5px; line-height: 1.75; color: rgba(255,255,255,.66); max-width: 360px; }
.foot h4 { color: #fff; font-size: 15px; letter-spacing: .04em; margin-bottom: 18px; }
.foot li { margin-bottom: 10px; font-size: 14.5px; }
.foot a:hover { color: #fff; }
.foot-contact li { display: flex; gap: 10px; align-items: flex-start; }
.foot-contact svg { flex-shrink: 0; width: 18px; height: 18px; margin-top: 4px; color: rgba(255,255,255,.55); }
.foot-qr { margin-top: 6px; align-items: center; }
.foot-qr img { width: 88px; height: 88px; border-radius: 6px; background: #fff; padding: 4px; flex-shrink: 0; }
.foot-qr b { color: #fff; }
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; flex-wrap: wrap; gap: 8px 24px;
  justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.5);
}
.foot-bottom a:hover { color: #fff; }

/* ---------- 内页 Hero ---------- */
.page-hero {
  padding: 56px 0 64px; position: relative; overflow: hidden;
  background: radial-gradient(800px 360px at 0% 0%, rgba(37,99,235,.12), transparent 60%), linear-gradient(180deg, #F3F7FF, #fff);
  border-bottom: 1px solid var(--line-soft);
}
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 13.5px; color: var(--muted); margin-bottom: 22px; }
.crumbs a:hover { color: var(--blue); }
.crumbs svg { width: 14px; height: 14px; opacity: .6; }
.page-hero h1 { color: var(--navy); font-size: clamp(30px, 4vw, 44px); }
.page-hero .lead { margin-top: 16px; max-width: 720px; font-size: 17.5px; color: var(--muted); }
.page-hero .tagline { margin-top: 8px; font-weight: 600; color: var(--blue); font-size: 15px; }
.page-hero-ico {
  width: 64px; height: 64px; border-radius: 8px; background: #fff; border: 1px solid var(--blue-soft);
  color: var(--primary); display: grid; place-items: center; margin-bottom: 20px; box-shadow: var(--shadow-sm);
}
.page-hero-ico svg { width: 32px; height: 32px; }
.page-hero .hero-actions { margin-top: 28px; }

/* ---------- 服务详情 ---------- */
.detail { display: grid; grid-template-columns: 1fr 320px; gap: 56px; align-items: start; }
.detail-main > section { margin-bottom: 64px; scroll-margin-top: calc(var(--header-h) + 24px); }
.detail-main h2 { font-size: 26px; margin-bottom: 20px; display: flex; align-items: center; gap: 12px; }
.detail-main h2::before { content: ""; width: 6px; height: 26px; border-radius: 3px; background: var(--blue); }
.intro { font-size: 17px; line-height: 1.85; color: var(--text); padding: 26px 30px; background: var(--sky); border-left: 4px solid var(--blue); border-radius: 0 var(--radius) var(--radius) 0; }
.inc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inc { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; display: flex; gap: 14px; }
.inc i { flex-shrink: 0; width: 36px; height: 36px; border-radius: 6px; background: var(--sky); color: var(--blue); display: grid; place-items: center; }
.inc i svg { width: 18px; height: 18px; }
.inc b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.inc p { font-size: 14.5px; color: var(--muted); }
.checks { display: grid; gap: 10px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 16px; border-radius: 6px; background: var(--bg-soft); font-size: 15px; }
.checks svg { flex-shrink: 0; width: 20px; height: 20px; margin-top: 2px; color: var(--green); }
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; width: 2px; background: var(--blue-soft); }
.tl { position: relative; padding: 0 0 26px 20px; }
.tl:last-child { padding-bottom: 0; }
.tl::before {
  content: ""; position: absolute; left: -24px; top: 6px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue); box-shadow: 0 0 0 4px #fff;
}
.tl small { display: block; font-size: 12.5px; font-weight: 700; color: var(--blue); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 2px; }
.tl b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 4px; }
.tl p { font-size: 15px; color: var(--muted); }
.docs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.docs li { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1px dashed var(--line); border-radius: 6px; font-size: 14.5px; }
.docs svg { flex-shrink: 0; width: 18px; height: 18px; margin-top: 3px; color: var(--muted); }
.faq details { border: 1px solid var(--line); border-radius: 6px; background: #fff; margin-bottom: 10px; overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 600; font-size: 16px; color: var(--ink); display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { flex-shrink: 0; width: 18px; height: 18px; color: var(--muted); transition: transform .2s; }
.faq details[open] summary svg { transform: rotate(180deg); }
.faq details[open] summary { color: var(--blue); }
.faq .ans { padding: 0 20px 20px; font-size: 15px; color: var(--muted); line-height: 1.8; }

.side { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 20px; }
.side-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.side-card h4 { font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.side-nav a { display: block; padding: 8px 10px; border-radius: 4px; font-size: 14.5px; color: var(--text); }
.side-nav a:hover { background: var(--sky); color: var(--blue); }
.side-cta { background: linear-gradient(140deg, var(--navy), var(--blue)); color: #fff; border: 0; }
.side-cta h3 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.side-cta p { color: rgba(255,255,255,.8); font-size: 14px; margin-bottom: 18px; }
.side-cta .btn { width: 100%; }
.side-cta small { display: block; margin-top: 12px; font-size: 13px; color: rgba(255,255,255,.7); }
.side-cta small a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.side-list a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 4px; font-size: 14.5px; }
.side-list a:hover { background: var(--sky); color: var(--blue); }
.side-list a.current { background: var(--sky); color: var(--blue); font-weight: 600; }
.side-list svg { width: 18px; height: 18px; color: var(--blue); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.info-cards { display: grid; gap: 16px; }
.info { display: flex; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.info i { flex-shrink: 0; width: 44px; height: 44px; border-radius: 6px; background: var(--sky); color: var(--blue); display: grid; place-items: center; }
.info i svg { width: 22px; height: 22px; }
.info b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.info p, .info a { font-size: 14.5px; color: var(--muted); }
.info a:hover { color: var(--blue); }
.wechat-box { display: flex; align-items: center; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.qr { width: 110px; height: 110px; border-radius: 6px; background: var(--bg-soft); border: 1px dashed var(--line); display: grid; place-items: center; color: var(--muted); font-size: 12px; text-align: center; padding: 8px; flex-shrink: 0; }
.qr img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }

.form-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
.form-card h3 { font-size: 22px; margin-bottom: 6px; }
.form-card > p { font-size: 14.5px; color: var(--muted); margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.field label i { color: var(--red); font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 6px; background: #fff; font-size: 15px;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(37,99,235,.12); }
.field textarea { min-height: 130px; resize: vertical; }
.field select { appearance: none; background-image: 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='%2364748B' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 6px; }
.form-foot small { font-size: 13px; color: var(--muted); }
.alert { padding: 14px 16px; border-radius: 6px; font-size: 14.5px; margin-bottom: 20px; display: flex; gap: 10px; align-items: flex-start; }
.alert svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.alert-ok { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-err { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.about-text p { font-size: 16.5px; line-height: 1.85; color: var(--text); margin-bottom: 18px; }
.about-text .lead { font-size: 22px; font-weight: 700; color: var(--navy); margin-bottom: 22px; }
.mission {
  padding: 40px; border-radius: var(--radius-lg); color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(140deg, var(--navy-deep), var(--primary));
}
.mission::after { content: ""; position: absolute; width: 260px; height: 260px; right: -90px; bottom: -120px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.18), transparent 70%); }
.mission small { display: block; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.7); margin-bottom: 12px; }
.mission h3 { color: #fff; font-size: 26px; line-height: 1.4; }
.mission-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; position: relative; }
.mission-stats div { padding: 14px 16px; background: rgba(255,255,255,.1); border-radius: 6px; }
.mission-stats b { display: block; font-size: 26px; font-weight: 800; }
.mission-stats span { font-size: 13px; color: rgba(255,255,255,.75); }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.value b { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }
.value p { font-size: 14.5px; color: var(--muted); }
.offices { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.office { display: flex; gap: 16px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.office i { flex-shrink: 0; width: 44px; height: 44px; border-radius: 6px; background: var(--navy); color: #fff; display: grid; place-items: center; }
.office i svg { width: 22px; height: 22px; }
.office b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 4px; }
.office p { font-size: 14.5px; color: var(--muted); }
.team-band { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 48px; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.team-band h3 { font-size: 26px; margin-bottom: 12px; }
.team-band p { color: var(--muted); font-size: 16px; }
.team-cities { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.city { padding: 22px; border-radius: var(--radius); background: var(--sky); }
.city b { display: block; font-size: 18px; color: var(--navy); margin-bottom: 4px; }
.city span { font-size: 13.5px; color: var(--muted); }

/* ---------- 进场动效 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 520px; margin: 0 auto; width: 100%; }
  .chip-b { right: 12px; }
  .services-grid, .news-grid, .clients-grid { grid-template-columns: 1fr 1fr; }
  .why-grid, .steps, .values { grid-template-columns: 1fr 1fr; }
  .step::after { display: none; }
  .industries { grid-template-columns: repeat(3, 1fr); }
  .stories { grid-template-columns: 1fr; }
  .detail { grid-template-columns: 1fr; }
  .side { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .cta-box { grid-template-columns: 1fr; padding: 48px 36px; }
  .cta-actions { justify-self: start; }
  .contact-grid, .about-grid, .team-band { grid-template-columns: 1fr; }
  .crm-grid { grid-template-columns: 1fr; gap: 36px; }
  .crm-visual { max-width: 520px; }
}

@media (max-width: 1000px) {
  .burger { display: grid; }
  .nav-right .btn { display: none; }
  /* 抽屉挂在 sticky 顶栏下方：顶栏有 backdrop-filter，会成为 fixed 子元素的包含块，
     所以这里用相对顶栏的 absolute + 显式高度，而不是 fixed + inset */
  .menu {
    position: absolute; top: 100%; left: 0; right: 0; z-index: 40;
    height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h));
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 16px 20px 40px; background: #fff; border-top: 1px solid var(--line); overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .2s ease, transform .25s ease, visibility 0s linear .25s;
  }
  body.nav-open .menu { opacity: 1; visibility: visible; transform: none; transition: opacity .2s ease, transform .25s ease, visibility 0s; }
  body.nav-open { overflow: hidden; }
  .menu > a, .menu > .has-sub > a { padding: 14px 12px; font-size: 16px; justify-content: space-between; border-radius: 6px; }
  .has-sub:hover > a svg { transform: none; }
  .has-sub.open > a svg { transform: rotate(180deg); }
  .sub {
    position: static; transform: none; width: auto; box-shadow: none; border: 0; padding: 4px 0 8px 8px;
    grid-template-columns: 1fr; opacity: 1; visibility: visible; display: none;
  }
  /* 桌面端 .has-sub.open .sub 带 translate(-50%)，手机端必须同优先级覆盖掉 */
  .has-sub:hover .sub { display: none; transform: none; }
  .has-sub.open .sub { display: grid; transform: none; opacity: 1; visibility: visible; }
  .menu .m-cta { display: block; margin-top: 16px; }
  .menu .m-cta .btn { width: 100%; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .hero { padding: 24px 0 96px; }
  .hero-desc { font-size: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
  .stat b { font-size: 30px; }
  .services-grid, .why-grid, .steps, .values, .inc-grid, .docs, .form-grid, .offices, .team-cities, .mission-stats, .news-grid, .clients-grid { grid-template-columns: 1fr; }
  .chip { padding: 10px 12px; } .chip b { font-size: 18px; }
  .industries { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-box { padding: 40px 24px; border-radius: 8px; }
  .form-card { padding: 24px; }
  .team-band { padding: 28px; }
  .mission { padding: 28px; }
  .intro { padding: 20px; font-size: 16px; }
}