/* ============================================================
   澜启科技 LANQI · 现代企业官网设计系统
   参考：Awwwards 2026 趋势 / Stripe·Linear 排版范式 / 转化型首页信息架构
   ============================================================ */
:root {
  --ink:        #0b1020;
  --ink-2:      #38425a;
  --muted:      #78839a;
  --line:       #e6eaf2;
  --line-soft:  #f0f3f8;
  --surface:    #ffffff;
  --bg:         #fbfcfe;
  --accent:     #4f46e5;
  --accent-2:   #0ea5e9;
  --accent-3:   #8b5cf6;
  --accent-soft:#eef0ff;
  --dark:       #0a0e1a;
  --dark-2:     #121829;
  --radius:     16px;
  --radius-sm:  10px;
  --shadow-sm:  0 1px 2px rgba(11,16,32,.04), 0 8px 24px rgba(11,16,32,.04);
  --shadow-md:  0 4px 12px rgba(11,16,32,.06), 0 24px 60px rgba(11,16,32,.09);
  --shadow-glow:0 20px 70px rgba(79,70,229,.22);
  --maxw:       1180px;
  --ease:       cubic-bezier(.22,.9,.32,1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: #d9d5ff; color: #1c1660; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- 排版 ---------- */
.display {
  font-weight: 800;
  letter-spacing: -.045em;
  line-height: 1.06;
}
.gradient-text {
  background: linear-gradient(100deg, var(--accent) 5%, var(--accent-3) 48%, var(--accent-2) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 2px;
}
.lead { font-size: 18px; color: var(--ink-2); line-height: 1.75; }
.section { padding: 112px 0; }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(30px, 3.8vw, 46px); margin: 18px 0 16px; }
.section-head p { font-size: 17px; color: var(--muted); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(251,252,254,.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(11,16,32,.045);
  background: rgba(255,255,255,.9);
}
.header-inner { display: flex; align-items: center; height: 74px; gap: 40px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 800; letter-spacing: -.03em; flex: none; }
.brand-mark {
  position: relative;
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  color: #fff; font-size: 17px; font-weight: 800;
  box-shadow: 0 6px 16px rgba(79,70,229,.3);
}
.brand small { display: block; font-size: 9px; letter-spacing: .22em; font-weight: 700; color: var(--muted); line-height: 1; margin-top: 3px; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav a {
  padding: 9px 15px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--ink-2);
  transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--accent); background: var(--accent-soft); }
.main-nav a.active { color: var(--ink); font-weight: 650; }
.header-cta { display: flex; align-items: center; gap: 12px; margin-left: 14px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px;
  border-radius: 10px;
  font-size: 14.5px; font-weight: 650;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .2s, border-color .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 6px 18px rgba(79,70,229,.24);
}
.btn-primary:hover { background: #4338ca; box-shadow: 0 12px 28px rgba(79,70,229,.34); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--surface); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.btn-lg { padding: 16px 30px; font-size: 15.5px; border-radius: 12px; }
.btn-arrow { font-size: 17px; line-height: 1; transition: transform .2s; }
.btn:hover .btn-arrow { transform: translateX(3px); }
.text-link { display: inline-flex; align-items: center; gap: 7px; font-size: 14.5px; font-weight: 650; color: var(--accent); }
.text-link:hover .btn-arrow { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 96px 0 108px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .5;
  -webkit-mask-image: radial-gradient(ellipse 75% 60% at 60% 30%, #000 20%, transparent 100%);
  mask-image: radial-gradient(ellipse 75% 60% at 60% 30%, #000 20%, transparent 100%);
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5;
}
.glow-1 { width: 560px; height: 560px; top: -220px; right: -120px; background: #c7c2ff; }
.glow-2 { width: 420px; height: 420px; top: 120px; right: 260px; background: #b6e6ff; opacity: .42; }
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px 7px 8px;
  background: #fff; border: 1px solid var(--line);
  border-radius: 999px; font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
}
.hero-badge .tag {
  background: var(--accent-soft); color: var(--accent);
  padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; letter-spacing: .04em;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; }
.hero h1 { font-size: clamp(42px, 5.6vw, 72px); margin-bottom: 24px; }
.hero h1 .block { display: block; }
.hero-sub { font-size: 17.5px; color: var(--ink-2); max-width: 500px; line-height: 1.8; margin-bottom: 34px; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-proof { display: flex; align-items: center; gap: 14px; }
.avatars { display: flex; }
.avatars span {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid var(--bg); margin-left: -9px;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700; color: #fff;
}
.avatars span:first-child { margin-left: 0; }
.avatars span:nth-child(1){ background:#4f46e5;} .avatars span:nth-child(2){ background:#0ea5e9;}
.avatars span:nth-child(3){ background:#8b5cf6;} .avatars span:nth-child(4){ background:#f59e0b;}
.hero-proof .proof-txt { font-size: 13px; color: var(--muted); line-height: 1.5; }
.hero-proof .proof-txt strong { color: var(--ink); font-weight: 700; }
.stars { color: #f59e0b; font-size: 12px; letter-spacing: 2px; }

/* Hero 视觉：纯 CSS 产品控制台 */
.console-wrap { position: relative; }
.console {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-md), 0 40px 90px rgba(79,70,229,.12);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform .6s var(--ease);
}
.console:hover { transform: perspective(1400px) rotateY(0deg) rotateX(0deg); }
.console-bar { display: flex; align-items: center; gap: 7px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); background: #fcfdff; }
.console-bar i { width: 9px; height: 9px; border-radius: 50%; background: #e2e6ee; }
.console-bar i:nth-child(1){ background:#ff9d9d;} .console-bar i:nth-child(2){ background:#ffd28a;} .console-bar i:nth-child(3){ background:#9ee6b0;}
.console-bar span { margin-left: auto; font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.console-body { padding: 22px; }
.console-title { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; }
.console-title h4 { font-size: 14px; font-weight: 700; }
.console-title small { font-size: 11px; color: var(--muted); }
.console-title .big { font-size: 27px; font-weight: 800; letter-spacing: -.04em; line-height: 1.1; }
.console-title .up { font-size: 11px; font-weight: 700; color: #16a34a; background: #e9f9ef; padding: 3px 8px; border-radius: 6px; }
.chart { display: flex; align-items: flex-end; gap: 9px; height: 120px; padding-top: 8px; border-bottom: 1px dashed var(--line); }
.chart i {
  flex: 1; border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, #a5a0ff, #e9e8ff);
}
.chart i.hi { background: linear-gradient(180deg, var(--accent), #a5a0ff); }
.chart-labels { display: flex; justify-content: space-between; margin-top: 9px; font-size: 10px; color: var(--muted); }
.console-rows { margin-top: 20px; display: grid; gap: 10px; }
.crow { display: flex; align-items: center; gap: 11px; padding: 10px 12px; border: 1px solid var(--line-soft); border-radius: 10px; }
.crow .cico { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font-size: 14px; flex: none; }
.crow:nth-child(1) .cico { background:#eef0ff; color:var(--accent); }
.crow:nth-child(2) .cico { background:#e6f7ff; color:#0284c7; }
.crow:nth-child(3) .cico { background:#f5ecff; color:#8b5cf6; }
.crow .ctxt { flex: 1; min-width: 0; }
.crow .ctxt b { display: block; font-size: 12px; font-weight: 650; }
.crow .ctxt small { font-size: 10.5px; color: var(--muted); }
.crow .cval { font-size: 12px; font-weight: 700; color: #16a34a; }
.float-card {
  position: absolute; background: #fff;
  border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow-md);
  padding: 13px 16px; display: flex; align-items: center; gap: 11px;
  animation: float 5s ease-in-out infinite;
}
.float-card.f1 { top: -26px; left: -34px; }
.float-card.f2 { bottom: -20px; right: -30px; animation-delay: -2.4s; }
.float-card .fic { width: 34px; height: 34px; border-radius: 9px; background: #e9f9ef; color:#16a34a; display:grid; place-items:center; font-size:16px; }
.float-card.f2 .fic { background:#eef0ff; color:var(--accent); }
.float-card b { display: block; font-size: 13px; line-height: 1.3; }
.float-card small { font-size: 11px; color: var(--muted); }
@keyframes float { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-11px);} }

/* ---------- 客户信任条 ---------- */
.trust { padding: 0 0 88px; }
.trust-inner { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 0 34px; }
.trust p { text-align: center; font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 26px; }
.logo-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.logo-row span {
  font-size: 20px; font-weight: 800; letter-spacing: -.04em; color: #a4adbe;
  transition: color .25s; white-space: nowrap;
}
.logo-row span:hover { color: var(--ink); }
.logo-row span i { font-style: normal; font-weight: 500; }

/* ---------- 编辑式引言 ---------- */
.statement { padding: 40px 0 100px; }
.statement-grid { display: grid; grid-template-columns: .55fr 1fr; gap: 70px; align-items: start; }
.statement h2 { font-size: clamp(27px, 3.2vw, 39px); margin-top: 18px; }
.statement .big-copy { font-size: clamp(19px, 2vw, 24px); line-height: 1.75; color: var(--ink-2); letter-spacing: -.015em; }
.statement .big-copy strong { color: var(--ink); font-weight: 750; }
.statement .sign { margin-top: 28px; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.statement .sign .line { width: 34px; height: 1px; background: var(--line); }

/* ---------- Bento 能力网格 ---------- */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.bento-item {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px;
  min-height: 250px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.bento-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #d5d9f5; }
.bento-item.wide { grid-column: span 2; }
.bento-item.tall { grid-row: span 2; }
.bento-ico {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; font-size: 21px;
  background: var(--accent-soft); color: var(--accent);
  margin-bottom: 22px;
}
.bento-item h3 { font-size: 19px; font-weight: 750; letter-spacing: -.02em; margin-bottom: 10px; }
.bento-item p { font-size: 14.5px; color: var(--muted); line-height: 1.75; max-width: 420px; }
.bento-num { position: absolute; right: 24px; top: 20px; font-size: 12px; font-weight: 800; color: #d8dcea; letter-spacing: .06em; }
.bento-visual { margin-top: 22px; }
.bars { display: grid; gap: 9px; }
.bars div { height: 9px; border-radius: 6px; background: var(--line-soft); overflow: hidden; }
.bars div::after { content:""; display:block; height:100%; border-radius:6px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.bars div:nth-child(1)::after { width: 88%; } .bars div:nth-child(2)::after { width: 66%; } .bars div:nth-child(3)::after { width: 94%; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip { font-size: 12px; font-weight: 600; color: var(--ink-2); background: var(--bg); border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px; }
.bento-feature {
  background: linear-gradient(145deg, #f6f5ff, #eef7ff);
  border-color: #e2e0ff;
}
.bento-feature .bento-ico { background: #fff; box-shadow: var(--shadow-sm); }
.bento-feature::after {
  content:""; position:absolute; width:220px; height:220px; right:-80px; bottom:-110px;
  background: radial-gradient(circle, rgba(139,92,246,.22), transparent 70%); border-radius:50%;
}
.bento-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 13.5px; font-weight: 700; color: var(--accent); }

/* ---------- 深色数据墙 ---------- */
.dark-band { position: relative; background: var(--dark); color: #fff; padding: 92px 0; overflow: hidden; }
.dark-band::before {
  content:""; position:absolute; width:700px; height:700px; left:-200px; top:-400px;
  background: radial-gradient(circle, rgba(79,70,229,.34), transparent 65%); border-radius:50%;
}
.dark-band::after {
  content:""; position:absolute; width:600px; height:600px; right:-180px; bottom:-420px;
  background: radial-gradient(circle, rgba(14,165,233,.22), transparent 65%); border-radius:50%;
}
.dark-band .container { position: relative; z-index: 1; }
.dark-head { text-align: center; max-width: 620px; margin: 0 auto 60px; }
.dark-head h2 { font-size: clamp(28px, 3.4vw, 42px); margin: 16px 0 12px; }
.dark-head p { color: #9aa6bd; font-size: 16px; }
.dark-band .eyebrow { color: #a5a0ff; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.metric { text-align: center; padding: 26px 16px; border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius); background: rgba(255,255,255,.035); backdrop-filter: blur(6px); }
.metric .num { font-size: clamp(36px, 4vw, 52px); font-weight: 800; letter-spacing: -.05em; line-height: 1.1; }
.metric .num em { font-style: normal; font-size: .5em; margin-left: 2px; }
.metric .label { color: #9aa6bd; font-size: 13.5px; margin-top: 10px; }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.case-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 38px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.case-card .case-top { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.case-logo { width: 42px; height: 42px; border-radius: 11px; background: var(--dark); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 17px; }
.case-card .case-top b { display: block; font-size: 14px; }
.case-card .case-top small { font-size: 12px; color: var(--muted); }
.case-card h3 { font-size: clamp(20px, 2vw, 26px); letter-spacing: -.025em; line-height: 1.4; margin-bottom: 16px; }
.case-card h3 span { color: var(--accent); }
.case-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; margin-bottom: 26px; }
.case-stats { display: flex; gap: 34px; margin-top: auto; padding-top: 24px; border-top: 1px solid var(--line); }
.case-stats div b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.04em; color: var(--accent); }
.case-stats div span { font-size: 12.5px; color: var(--muted); }
.quote-card {
  background: linear-gradient(155deg, #f7f6ff, #eff8ff);
  border: 1px solid #e6e3ff;
  border-radius: var(--radius); padding: 38px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.quote-mark { font-size: 54px; line-height: .8; color: #c6bfff; font-weight: 800; font-family: Georgia, serif; }
.quote-card blockquote { font-size: 17px; line-height: 1.8; color: var(--ink); margin: 18px 0 28px; font-weight: 500; }
.quote-author { display: flex; align-items: center; gap: 12px; }
.quote-author .qa { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-3), var(--accent-2)); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; }
.quote-author b { display: block; font-size: 13.5px; }
.quote-author small { font-size: 12px; color: var(--muted); }
.rating-row { display: flex; align-items: center; gap: 10px; margin-top: 22px; padding-top: 20px; border-top: 1px solid rgba(79,70,229,.14); font-size: 12.5px; color: var(--ink-2); }
.rating-row .stars { font-size: 14px; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.step { position: relative; padding: 0 28px 0 0; }
.step::before {
  content: ""; position: absolute; top: 21px; left: 52px; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}
.step:last-child::before { display: none; }
.step-num {
  width: 42px; height: 42px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); color: var(--accent);
  display: grid; place-items: center; font-size: 14px; font-weight: 800;
  box-shadow: var(--shadow-sm); margin-bottom: 22px; position: relative; z-index: 1;
}
.step h3 { font-size: 16.5px; margin-bottom: 9px; }
.step p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 4px; text-align: left;
  font-size: 16px; font-weight: 650; color: var(--ink);
}
.faq-q .plus { position: relative; width: 18px; height: 18px; flex: none; }
.faq-q .plus::before, .faq-q .plus::after {
  content:""; position:absolute; background: var(--accent); border-radius:2px; transition: transform .25s;
}
.faq-q .plus::before { width: 16px; height: 2px; top: 8px; left: 1px; }
.faq-q .plus::after { width: 2px; height: 16px; top: 1px; left: 8px; }
.faq-item.open .faq-q .plus::after { transform: rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-a p { padding: 0 40px 24px 4px; font-size: 14.5px; color: var(--muted); line-height: 1.85; }

/* ---------- 最终 CTA ---------- */
.final-cta { padding: 20px 0 110px; }
.cta-box {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, #3f37c9 0%, #5b4be8 45%, #0e8fd0 100%);
  border-radius: 26px; padding: 76px 60px; text-align: center; color: #fff;
  box-shadow: 0 30px 80px rgba(79,70,229,.26);
}
.cta-box::before { content:""; position:absolute; width:520px; height:520px; top:-300px; left:-120px; background: radial-gradient(circle, rgba(255,255,255,.18), transparent 65%); border-radius:50%; }
.cta-box::after { content:""; position:absolute; width:460px; height:460px; bottom:-320px; right:-100px; background: radial-gradient(circle, rgba(255,255,255,.14), transparent 65%); border-radius:50%; }
.cta-box > * { position: relative; z-index: 1; }
.cta-box h2 { font-size: clamp(30px, 4vw, 48px); margin-bottom: 16px; }
.cta-box p { font-size: 16.5px; opacity: .9; max-width: 560px; margin: 0 auto 32px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-box .btn-outline { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.cta-box .btn-outline:hover { background: rgba(255,255,255,.12); }
.cta-note { margin-top: 22px; font-size: 12.5px; opacity: .75; }

/* ---------- 页脚 ---------- */
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 68px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 52px; }
.footer-brand p { font-size: 13.5px; color: var(--muted); line-height: 1.85; margin-top: 18px; max-width: 280px; }
.footer-social { display: flex; gap: 9px; margin-top: 20px; }
.footer-social a { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 9px; display: grid; place-items: center; font-size: 14px; color: var(--muted); transition: all .2s; }
.footer-social a:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.site-footer h4 { font-size: 13px; font-weight: 750; margin-bottom: 18px; letter-spacing: .02em; }
.site-footer li { list-style: none; margin-bottom: 11px; }
.site-footer li a { font-size: 13.5px; color: var(--muted); transition: color .2s; }
.site-footer li a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--line); padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); }
.footer-bottom a:hover { color: var(--accent); }

/* ---------- 内页页头 ---------- */
.page-hero { position: relative; padding: 84px 0 72px; border-bottom: 1px solid var(--line); overflow: hidden; }
.page-hero::before { content:""; position:absolute; width:600px; height:400px; right:-100px; top:-260px; background: radial-gradient(ellipse, rgba(139,92,246,.13), transparent 70%); }
.page-hero .container { position: relative; z-index: 1; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.crumb a:hover { color: var(--accent); }
.crumb span { margin: 0 8px; color: #ccd3df; }
.page-hero h1 { font-size: clamp(36px, 4.6vw, 56px); margin: 16px 0 18px; }
.page-hero p { font-size: 17.5px; color: var(--ink-2); max-width: 620px; }

/* 内页通用内容块 */
.content-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.content-row h2 { font-size: clamp(26px, 3.2vw, 38px); margin: 16px 0 18px; }
.content-row p { color: var(--muted); font-size: 15.5px; line-height: 1.85; margin-bottom: 14px; }
.visual-panel {
  background: linear-gradient(150deg, #f4f3ff, #eaf7ff);
  border: 1px solid #e4e2ff; border-radius: var(--radius);
  min-height: 320px; display: grid; place-items: center; color: #9a94cf;
  font-size: 13px; letter-spacing: .04em;
}
.value-list { display: grid; gap: 16px; margin-top: 24px; }
.value-list li { display: flex; gap: 13px; align-items: flex-start; list-style: none; font-size: 15px; color: var(--ink-2); }
.value-list .tick { width: 22px; height: 22px; flex: none; border-radius: 7px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 12px; font-weight: 800; margin-top: 2px; }

/* 时间线 */
.timeline { border-left: 2px solid var(--line); margin-left: 10px; padding-left: 34px; display: grid; gap: 36px; }
.timeline-item { position: relative; }
.timeline-item::before { content:""; position:absolute; left:-42px; top:6px; width:14px; height:14px; border-radius:50%; background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--accent); }
.timeline-item .yr { font-size: 13px; font-weight: 800; color: var(--accent); letter-spacing: .06em; }
.timeline-item h3 { font-size: 19px; margin: 6px 0 8px; }
.timeline-item p { font-size: 14.5px; color: var(--muted); }

/* 服务卡片（等宽，用于内页） */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; transition: transform .3s var(--ease), box-shadow .3s; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.service-card .bento-ico { margin-bottom: 20px; }
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 18px; }
.service-card ul { list-style: none; display: grid; gap: 8px; }
.service-card li { font-size: 13px; color: var(--ink-2); display: flex; gap: 8px; }
.service-card li::before { content: "✓"; color: var(--accent); font-weight: 800; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-info { display: grid; gap: 18px; margin-top: 26px; }
.contact-item { display: flex; gap: 15px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.contact-item .ci { width: 42px; height: 42px; flex: none; border-radius: 11px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 18px; }
.contact-item b { display: block; font-size: 14px; margin-bottom: 3px; }
.contact-item span { font-size: 13.5px; color: var(--muted); }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow-sm); }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 13.5px; font-weight: 650; margin-bottom: 8px; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 12px 14px; font-size: 14px; color: var(--ink);
  background: #fbfcfe; border: 1px solid var(--line); border-radius: 10px;
  transition: border-color .2s, box-shadow .2s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,.1); background: #fff;
}
.form-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 12px; color: var(--muted); margin-top: 14px; }
.form-success { display: none; padding: 14px 16px; background: #e9f9ef; color: #15803d; border-radius: 10px; font-size: 13.5px; margin-bottom: 18px; }

/* ---------- 滚动入场动画 ---------- */
/* 默认可见：JS 未执行或加载失败时内容不会消失；由脚本添加 will-reveal 才启用入场动画 */
.reveal { opacity: 1; }
.reveal.will-reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.will-reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero { padding: 70px 0 80px; }
  .console { transform: none; }
  .console-wrap { max-width: 560px; }
  .statement-grid { grid-template-columns: 1fr; gap: 24px; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-item.wide { grid-column: span 2; }
  .bento-item.tall { grid-row: auto; }
  .case-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px 0; }
  .step:nth-child(2)::before { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .content-row { grid-template-columns: 1fr; gap: 34px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .section { padding: 76px 0; }
  .main-nav, .header-cta .btn-ghost { display: none; }
  .header-inner { height: 64px; gap: 10px; }
  .header-cta { margin-left: auto; flex: none; }
  .header-cta .btn-primary { padding: 10px 14px; font-size: 13px; }
  .brand { font-size: 17px; }
  .hero h1 { font-size: clamp(36px, 10vw, 48px); }
  .hero-sub { font-size: 16px; max-width: 100%; overflow-wrap: break-word; }
  .hero-actions { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .hero-actions .btn { width: 100%; }
  .hero-proof { flex-wrap: wrap; gap: 8px 12px; }
  .hero-proof .proof-txt { font-size: 12px; }
  .float-card { padding: 10px 12px; }
  .float-card.f1 { left: 0; } .float-card.f2 { right: 0; }
  .console-wrap { width: 100%; }
  .logo-row { justify-content: center; gap: 18px 26px; }
  .logo-row span { font-size: 17px; }
  .bento { grid-template-columns: 1fr; }
  .bento-item.wide { grid-column: auto; }
  .bento-item { min-height: auto; padding: 26px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .step::before { display: none; }
  .cta-box { padding: 56px 24px; border-radius: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .case-card, .quote-card { padding: 26px; }
  .case-stats { gap: 20px; }
  .form-two { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 60px 0 52px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal.will-reveal { opacity: 1; transform: none; }
}