/* ==========================================================================
   厦门众鑫信息科技有限公司 · 企业官网
   设计：深墨底 + 纸白内容区，品牌橙红渐变作为唯一强调色
   ========================================================================== */

:root {
  --ink: #0b0d12;
  --ink-2: #12151c;
  --ink-3: #1b1f28;
  --paper: #ffffff;
  --soft: #f6f5f2;
  --muted: #71757e;
  --muted-2: #9aa0aa;
  --line: rgba(11, 13, 18, 0.1);
  --line-2: rgba(255, 255, 255, 0.12);
  --brand-1: #e24e36;
  --brand-2: #f2a93b;
  --grad: linear-gradient(120deg, #e24e36 0%, #f2a93b 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px -30px rgba(11, 13, 18, 0.35);
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
/* 锚点跳转留出固定导航的高度，避免板块标题被压在导航下面 */
section[id] { scroll-margin-top: 88px; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.025em; line-height: 1.15; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.grad {
  display: inline-block;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding: 0.02em 0 0.16em;
  margin: -0.02em 0 -0.16em;
}
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-block { width: 100%; }

.btn-solid { background: var(--grad); color: #fff; box-shadow: 0 12px 30px -12px rgba(226, 78, 54, 0.6); }
.btn-solid:hover { opacity: 0.92; }

.btn-line { border-color: rgba(11, 13, 18, 0.22); color: var(--ink); }
.btn-line:hover { border-color: var(--ink); background: rgba(11, 13, 18, 0.04); }

.btn-ghost { color: var(--ink); }
.btn-ghost:hover { color: var(--brand-1); }

/* ---------------- 页头 ---------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(11, 13, 18, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.site-header.is-solid {
  background: rgba(11, 13, 18, 0.96);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 74px;
}

.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-logo { height: 30px; width: auto; }

.nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav-link {
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-link:hover { color: #fff; }
.nav-link.is-active { color: #fff; }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .btn-line { border-color: rgba(255, 255, 255, 0.28); color: #fff; }
.header-actions .btn-line:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }
.header-actions .btn-ghost { color: rgba(255, 255, 255, 0.85); }
.header-actions .btn-ghost:hover { color: #fff; }
.inline-form { display: inline-flex; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: #fff;
  margin: 5px 0; border-radius: 2px; transition: 0.2s;
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: 168px 0 96px;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  width: 780px; height: 780px;
  right: -180px; top: -260px;
  background: radial-gradient(circle, rgba(226, 78, 54, 0.34), rgba(242, 169, 59, 0.12) 45%, transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 30% 20%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 30% 20%, #000 0%, transparent 72%);
  pointer-events: none;
}
.hero-inner, .split, .product, .contact-grid, .member-grid, .card-grid, .why-grid, .steps, .sys-grid, .principle-grid, .footer-grid, .metrics-grid {
  min-width: 0;
}
.hero-inner > *, .split > *, .product > *, .contact-grid > * {
  min-width: 0;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-1);
  margin-bottom: 22px;
}
.eyebrow.light { color: rgba(255, 255, 255, 0.7); }
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 4px rgba(226, 78, 54, 0.18);
}

.hero-title { font-size: clamp(40px, 5.4vw, 68px); line-height: 1.06; letter-spacing: -0.035em; }
.hero-sub {
  margin-top: 26px;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 16.5px;
  line-height: 1.85;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero .btn-line { border-color: rgba(255, 255, 255, 0.3); color: #fff; }
.hero .btn-line:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }

.hero-points {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line-2);
  color: rgba(255, 255, 255, 0.55);
  font-size: 13.5px;
}
.hero-points li { position: relative; padding-left: 14px; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--brand-2);
}

/* Hero 视觉：轨道 */
.hero-visual { display: flex; justify-content: center; }
.orbit { position: relative; width: 440px; height: 440px; }
.orbit-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.ring-1 { inset: 0; animation: spin 28s linear infinite; }
.ring-2 { inset: 56px; border-style: dashed; border-color: rgba(255,255,255,.1); animation: spin 22s linear infinite reverse; }
.ring-3 { inset: 114px; border-color: rgba(242, 169, 59, 0.28); }
.ring-1::after, .ring-2::after {
  content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand-2); top: -4px; left: 50%; box-shadow: 0 0 16px rgba(242,169,59,.9);
}
.orbit-core {
  position: absolute; inset: 152px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(226,78,54,.9), rgba(11,13,18,.95) 72%);
  border: 1px solid rgba(255,255,255,.16);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
  box-shadow: 0 0 60px rgba(226, 78, 54, 0.28);
}
.core-label { font-size: 12px; letter-spacing: .18em; color: rgba(255,255,255,.6); }
.core-value { font-size: 18px; font-weight: 700; }
.orbit-node {
  position: absolute;
  font-size: 12.5px;
  color: rgba(255,255,255,.78);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  white-space: nowrap;
}
.n1 { top: -10px; left: 50%; transform: translateX(-50%); }
.n2 { right: -26px; top: 46%; }
.n3 { bottom: -8px; left: 50%; transform: translateX(-50%); }
.n4 { left: -40px; top: 46%; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- 数据条 ---------------- */
.metrics { background: var(--ink-2); border-top: 1px solid var(--line-2); }
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.metric {
  background: var(--ink-2);
  padding: 34px 26px;
  text-align: left;
  border-left: 1px solid var(--line-2);
}
.metric:first-child { border-left: 0; }
.metric-num {
  font-size: 40px; font-weight: 700; letter-spacing: -0.04em; color: #fff;
  display: flex; align-items: baseline; gap: 4px;
}
.metric-num em { font-size: 15px; font-style: normal; font-weight: 500; color: var(--brand-2); }
.metric p { margin-top: 6px; font-size: 13.5px; color: rgba(255,255,255,.5); letter-spacing: .04em; }

/* ---------------- 通用区块 ---------------- */
.section { padding: 104px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--ink); color: #fff; }

.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.sec-index {
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.16em;
  color: var(--brand-1); text-transform: uppercase;
  margin-bottom: 18px;
}
.sec-index.light { color: var(--brand-2); }

.sec-title { font-size: clamp(28px, 3.6vw, 44px); text-wrap: balance; }
/* 中文标题在窄栏里容易掉下一个孤字，balance 让多行长度更均匀 */
.sec-title, .lobby-copy h2, .band-copy h3 { text-wrap: balance; }
.sec-title.sm { font-size: 26px; }
.sec-title.light { color: #fff; }

.sec-sub { margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 640px; }
.sec-sub.light { color: rgba(255,255,255,.6); }
.sec-lede { margin-top: 18px; color: var(--muted); font-size: 16.5px; line-height: 1.85; }
.section-dark .sec-lede { color: rgba(255,255,255,.66); }
.body-text { margin-top: 18px; color: var(--muted); line-height: 1.9; }

/* ---------------- 卡片网格 ---------------- */
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  position: relative;
  padding: 38px 36px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(226,78,54,.28); }
.card-no {
  font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--brand-1);
}
.card h3 { margin-top: 14px; font-size: 23px; }
.card p { margin-top: 12px; color: var(--muted); line-height: 1.8; }

.ticks { margin-top: 20px; display: grid; gap: 9px; }
.ticks li {
  position: relative; padding-left: 20px;
  font-size: 14.5px; color: var(--ink); opacity: .82;
}
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--grad); opacity: .85;
}
.ticks.lg li { font-size: 15px; }

/* ---------------- 左右分栏 ---------------- */
.split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 72px; align-items: center; }
.split.rev .split-visual { order: -1; }
.split.narrow { align-items: start; }

.stack-list { margin: 30px 0 34px; display: grid; border-top: 1px solid var(--line); }
.stack-item {
  display: flex; gap: 22px; padding: 16px 2px;
  border-bottom: 1px solid var(--line); align-items: baseline;
}
.stack-key {
  flex: 0 0 92px; font-size: 13px; letter-spacing: .04em;
  color: var(--brand-1); font-weight: 600;
}
.stack-val { color: var(--ink); font-size: 15.5px; opacity: .78; }
.section-dark .stack-list { border-top-color: var(--line-2); }
.section-dark .stack-item { border-bottom-color: var(--line-2); }
.section-dark .stack-key { color: var(--brand-2); }
.section-dark .stack-val { color: rgba(255,255,255,.78); opacity: 1; }

.data-card {
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 26px;
  backdrop-filter: blur(8px);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.8);
}
.data-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: 14.5px; color: rgba(255,255,255,.62);
}
.data-row b { color: #fff; font-weight: 600; }
.data-row.head { border-bottom: 1px solid rgba(255,255,255,.16); padding-top: 0; }
.data-row.head span:first-child { color: #fff; font-weight: 600; letter-spacing: .04em; }
.live {
  font-size: 11px; color: var(--brand-2);
  border: 1px solid rgba(242,169,59,.4);
  padding: 2px 8px; border-radius: 999px;
}
.data-bar {
  display: flex; align-items: flex-end; gap: 8px;
  height: 92px; margin-top: 22px;
}
.data-bar i {
  display: block; flex: 1;
  background: var(--grad);
  border-radius: 4px 4px 0 0;
  opacity: .8;
}

/* ---------------- 为什么选择 ---------------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.why-item { background: var(--paper); padding: 40px 38px; }
.why-item h3 { font-size: 20px; }
.why-item p { margin-top: 12px; color: var(--muted); line-height: 1.85; }

/* ---------------- 步骤 ---------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.steps li {
  padding: 32px 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
/* 深色区块内的流程卡：改深色卡，避免继承白色文字造成白底白字 */
.section-dark .steps li {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.12);
}
.section-dark .steps h3 { color: #fff; }
.section-dark .steps p { color: rgba(255, 255, 255, 0.6); }
.step-no { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--brand-1); }
.steps h3 { margin-top: 14px; font-size: 19px; }
.steps p { margin-top: 10px; color: var(--muted); font-size: 14.5px; line-height: 1.8; }

/* ---------------- 时间线 ---------------- */
.timeline { display: grid; gap: 0; border-left: 1px solid var(--line); margin-left: 6px; }
.timeline li { position: relative; padding: 0 0 44px 40px; }
.timeline li:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -6px; top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 5px rgba(226,78,54,.12);
}
.tl-year { font-size: 12.5px; font-weight: 700; letter-spacing: .16em; color: var(--brand-1); }
.timeline h3 { margin-top: 8px; font-size: 21px; }
.timeline p { margin-top: 8px; color: var(--muted); max-width: 620px; }

/* ---------------- 原则 ---------------- */
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.principle { padding: 34px 30px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); background: rgba(255,255,255,.03); }
.p-no { font-size: 12px; letter-spacing: .16em; color: var(--brand-2); font-weight: 700; }
.principle h3 { margin-top: 14px; font-size: 20px; color: #fff; }
.principle p { margin-top: 12px; color: rgba(255,255,255,.6); line-height: 1.85; font-size: 15px; }

/* ---------------- 事实卡 ---------------- */
.fact-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--soft); }
.fact { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.fact:last-child { border-bottom: 0; }
.fact b { font-size: 19px; }
.fact span { font-size: 13.5px; color: var(--muted); }

.note-card { margin-top: 22px; padding: 26px 28px; border-radius: var(--radius); background: var(--soft); border: 1px solid var(--line); }
.note-card h3 { font-size: 16px; }
.note-card p { margin-top: 8px; font-size: 14.5px; color: var(--muted); line-height: 1.8; }
.note-card a { color: var(--brand-1); }

/* ---------------- 内页页头 ---------------- */
.page-head {
  background: var(--ink);
  color: #fff;
  padding: 150px 0 78px;
  position: relative;
  overflow: hidden;
}
.page-head::after {
  content: "";
  position: absolute; right: -160px; top: -120px;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(226,78,54,.26), transparent 68%);
  filter: blur(10px);
}
.page-head.slim { padding: 140px 0 54px; }
.page-head h1 { position: relative; font-size: clamp(32px, 4.4vw, 54px); letter-spacing: -0.03em; max-width: 760px; }
.page-sub { position: relative; margin-top: 20px; max-width: 620px; color: rgba(255,255,255,.62); font-size: 16px; line-height: 1.85; }

/* ---------------- 产品 ---------------- */
.product { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 72px; align-items: center; }
.product.reverse .product-copy { order: 2; }
.product.reverse .product-visual { order: 1; }

.mini-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; background: var(--paper); box-shadow: var(--shadow); }
.section-soft .mini-card { background: #fff; }
.mini-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--muted); }
.mini-row:last-child { border-bottom: 0; }
.mini-row b { color: var(--ink); font-weight: 600; }
.mini-row b.grad-text { color: transparent; background: var(--grad); -webkit-background-clip: text; background-clip: text; }
.ok { color: #1f8a5b !important; }

.sys-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); overflow: hidden; }
.sys-item { background: var(--ink); padding: 34px 32px; }
.sys-item h3 { color: #fff; font-size: 19px; }
.sys-item p { margin-top: 10px; color: rgba(255,255,255,.6); font-size: 15px; line-height: 1.85; }

/* ---------------- CTA ---------------- */
.cta { background: var(--ink); padding: 84px 0; border-top: 1px solid rgba(255,255,255,.08); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: clamp(26px, 3vw, 38px); letter-spacing: -0.03em; }
.cta p { margin-top: 12px; color: rgba(255,255,255,.6); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta .btn-line { border-color: rgba(255,255,255,.3); color: #fff; }
.cta .btn-line:hover { border-color: #fff; background: rgba(255,255,255,.1); }

/* ---------------- 页脚 ---------------- */
.site-footer { background: #07080b; color: rgba(255,255,255,.6); padding: 68px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-logo { height: 30px; width: auto; margin-bottom: 20px; }
.footer-desc { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.45); }
.footer-col h4 { color: #fff; font-size: 14px; letter-spacing: .04em; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: 14px; color: rgba(255,255,255,.55); margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--brand-2); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-top: 52px; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12.5px; color: rgba(255,255,255,.35);
}

/* ---------------- 表单 ---------------- */
.form { display: grid; gap: 18px; margin-top: 26px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field > span { font-size: 13.5px; font-weight: 600; color: var(--ink); letter-spacing: .02em; }
.field em { color: var(--brand-1); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand-1);
  box-shadow: 0 0 0 3px rgba(226,78,54,.1);
}
.field textarea { resize: vertical; line-height: 1.7; }
.form-tip { margin-top: 14px; font-size: 12.5px; color: var(--muted-2); line-height: 1.7; }

.alert { padding: 14px 18px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 18px; }
.alert.ok { background: rgba(31,138,91,.1); color: #1f8a5b; border: 1px solid rgba(31,138,91,.2); }
.alert.err { background: rgba(226,78,54,.08); color: #c33e28; border: 1px solid rgba(226,78,54,.2); }

/* ---------------- 联系页 ---------------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 72px; align-items: start; }
.contact-list { margin-top: 26px; display: grid; gap: 0; }
.contact-list li { display: flex; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.ci-label { flex: 0 0 84px; font-size: 13px; letter-spacing: .1em; color: var(--muted-2); }
.ci-value { font-size: 16px; color: var(--ink); font-weight: 500; }
a.ci-value:hover { color: var(--brand-1); }

.contact-form-wrap { padding: 42px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--soft); }

/* ---------------- 登录 / 注册 ---------------- */
.auth { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); min-height: calc(100vh - 74px); margin-top: 74px; }
.page-login .site-header { background: var(--ink); border-bottom-color: rgba(255,255,255,.08); }
.auth-aside { background: var(--ink); color: #fff; display: flex; align-items: center; padding: 60px 56px; position: relative; overflow: hidden; }
.auth-aside::after {
  content: ""; position: absolute; left: -120px; bottom: -180px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(226,78,54,.3), transparent 70%);
  filter: blur(12px);
}
.auth-aside-inner { position: relative; max-width: 420px; }
.auth-aside h2 { font-size: clamp(26px, 2.8vw, 36px); line-height: 1.25; color: #fff; }
.auth-aside p { margin-top: 18px; color: rgba(255,255,255,.6); line-height: 1.85; }

.auth-main { display: flex; align-items: center; justify-content: center; padding: 60px 28px; background: var(--paper); }
.auth-card { width: 100%; max-width: 460px; }
.auth-title { font-size: 30px; }
.auth-sub { margin-top: 10px; color: var(--muted); font-size: 14.5px; }
.auth-sub a { color: var(--brand-1); font-weight: 600; }
.auth-foot { margin-top: 26px; font-size: 14px; color: var(--muted-2); }
.auth-foot a:hover { color: var(--brand-1); }

/* ---------------- 会员中心 ---------------- */
.member-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: 48px; align-items: start; }
.member-main { display: grid; gap: 24px; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; background: var(--paper); }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 22px; }
.panel-head h2 { font-size: 19px; }
.panel-count { font-size: 13px; color: var(--muted-2); }

.msg-list { display: grid; gap: 16px; }
.msg-list li { padding: 18px 20px; border-radius: var(--radius-sm); background: var(--soft); }
.msg-top { display: flex; justify-content: space-between; gap: 16px; font-size: 12.5px; color: var(--muted-2); }
.msg-scene { color: var(--brand-1); font-weight: 600; }
.msg-body { margin-top: 8px; font-size: 14.5px; line-height: 1.8; color: var(--ink); }

.upload-form { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.upload-form input[type="file"] { flex: 1 1 240px; padding: 11px 12px; border: 1px dashed var(--line); border-radius: var(--radius-sm); background: var(--soft); font-size: 14px; }

.file-list { margin-top: 22px; display: grid; gap: 10px; }
.file-list li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.file-list a { color: var(--ink); font-weight: 500; }
.file-list a:hover { color: var(--brand-1); }
.file-list span { color: var(--muted-2); font-size: 12.5px; white-space: nowrap; }

.empty { color: var(--muted); font-size: 14.5px; }
.empty a { color: var(--brand-1); }


/* ================= 新版首页组件 ================= */

/* 首屏场景图 */
.scene-frame {
  position: relative;
  margin: 0;
  border-radius: 20px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(160deg, #23262e, #14161b 46%, #1d1f26);
  box-shadow: 0 56px 100px -52px rgba(0, 0, 0, 0.95),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.scene-frame::before {
  content: "";
  position: absolute; inset: 10px;
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.55);
  pointer-events: none;
  z-index: 2;
}
.scene-frame img {
  width: 100%; display: block;
  border-radius: 12px;
}
.scene-frame figcaption {
  position: absolute; left: 22px; bottom: 22px;
  font-size: 11px; letter-spacing: .04em;
  color: rgba(255,255,255,.66);
  background: rgba(11,13,18,.74);
  border: 1px solid rgba(255,255,255,.14);
  padding: 4px 11px; border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 3;
}
/* 示意图角标 */
.scene-badge {
  position: absolute; right: 26px; top: 26px;
  font-size: 10.5px; letter-spacing: .08em;
  color: rgba(255,255,255,.55);
  background: rgba(11,13,18,.7);
  border: 1px solid rgba(255,255,255,.13);
  padding: 3px 9px; border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 3;
}
.scene-float {
  position: absolute;
  right: 26px; top: 26px;
  background: rgba(11, 13, 18, 0.8);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 14px;
  padding: 12px 16px;
  display: grid;
  gap: 2px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
  z-index: 3;
}
.sf-label { font-size: 11px; letter-spacing: .08em; color: rgba(255,255,255,.5); }
.sf-value { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: -.02em; }
.sf-trend { font-size: 11.5px; color: var(--brand-2); }

/* 三条为什么 */
.why-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.why-block { background: var(--paper); padding: 38px 34px 40px; }
.wb-no { font-size: 11.5px; font-weight: 700; letter-spacing: .16em; color: var(--muted-2); }
.why-block h3 { margin-top: 16px; font-size: 21px; }
.why-block p { margin-top: 12px; color: var(--muted); font-size: 15px; line-height: 1.85; }

/* 产品矩阵 */
.pm-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.pm-card {
  grid-column: span 2;
  display: flex; flex-direction: column;
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.pm-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.06); border-color: rgba(242,169,59,.4); }
.pm-card:nth-child(4) { grid-column: span 3; }
.pm-card:nth-child(5) { grid-column: span 3; }
.pm-accent { background: linear-gradient(100deg, rgba(226,78,54,.22), rgba(242,169,59,.08) 60%, transparent); border-color: rgba(226,78,54,.35); }
.pm-tag {
  align-self: flex-start;
  font-size: 11px; letter-spacing: .1em; font-weight: 600;
  color: var(--brand-2);
  border: 1px solid rgba(242,169,59,.34);
  padding: 3px 10px; border-radius: 999px;
  margin-bottom: 18px;
}
.pm-card h3 { font-size: 22px; color: #fff; }
.pm-card p { margin-top: 12px; font-size: 14.5px; line-height: 1.8; color: rgba(255,255,255,.62); flex: 1; }
.pm-meta { margin-top: 20px; font-size: 12px; letter-spacing: .06em; color: rgba(255,255,255,.38); }

/* 经营看板卡 */
.board-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--soft);
  padding: 26px 26px 20px;
  box-shadow: var(--shadow);
}
.board-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12.5px; color: var(--muted-2); letter-spacing: .04em;
  padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.board-date { font-variant-numeric: tabular-nums; }
.board-total {
  display: grid; gap: 2px;
  padding: 20px 0 18px;
}
.bt-label { font-size: 12px; color: var(--muted-2); letter-spacing: .06em; }
.bt-value { font-size: 34px; font-weight: 700; letter-spacing: -.03em; color: var(--ink); }
.bt-trend { font-size: 12.5px; color: #1f8a5b; font-weight: 600; }
.board-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.bg-item { background: #fff; padding: 14px 16px; display: grid; gap: 4px; }
.bg-item span { font-size: 11.5px; color: var(--muted-2); letter-spacing: .04em; }
.bg-item b { font-size: 17px; color: var(--ink); letter-spacing: -.01em; }
.board-bar { display: flex; align-items: flex-end; gap: 6px; height: 72px; margin-top: 20px; }
.board-bar i { flex: 1; border-radius: 3px 3px 0 0; background: var(--grad); opacity: .82; }
.board-note { margin-top: 12px; font-size: 11px; color: var(--muted-2); }

/* 场景卡 */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scene-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.scene-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.scene-img { position: relative; background: var(--ink); }
.scene-img img { width: 100%; display: block; aspect-ratio: 3 / 2; object-fit: cover; }
.scene-no {
  position: absolute; left: 14px; top: 12px;
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: rgba(255,255,255,.72);
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 999px; padding: 2px 9px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.scene-tag {
  position: absolute; right: 12px; bottom: 10px;
  font-size: 10.5px; letter-spacing: .06em;
  color: rgba(255,255,255,.58);
  background: rgba(11,13,18,.62);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px; padding: 2px 8px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.scene-card h3 { padding: 24px 26px 0; font-size: 20px; }
.scene-card p { padding: 10px 26px 26px; color: var(--muted); font-size: 14.5px; line-height: 1.85; }
.scene-note { margin-top: 22px; font-size: 12px; color: var(--muted-2); }

@media (max-width: 1024px) {
  .why-row { grid-template-columns: 1fr; }
  .pm-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-deck { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .deck-tile { height: 150px; }
  .stack-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-row { gap: 14px 18px; }
  .pm-card, .pm-card:nth-child(4), .pm-card:nth-child(5) { grid-column: span 1; }
  .scene-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .pm-grid { grid-template-columns: 1fr; }
  .pm-card, .pm-card:nth-child(4), .pm-card:nth-child(5) { grid-column: span 1; }
  .metric { border-left: 0; border-top: 1px solid var(--line-2); }
  .metric:nth-child(-n+2) { border-top: 0; }
  .metric:nth-child(even) { border-left: 1px solid var(--line-2); }
  .bt-value { font-size: 28px; }
  .board-grid { grid-template-columns: 1fr; }
  .scene-float { right: 10px; top: 10px; padding: 9px 12px; }
  .sf-value { font-size: 18px; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { order: 2; }
  .orbit { width: 360px; height: 360px; }
  .orbit-core { inset: 124px; }
  .ring-2 { inset: 46px; }
  .ring-3 { inset: 94px; }
  .split, .product, .contact-grid, .member-grid { grid-template-columns: 1fr; gap: 44px; }
  .product.reverse .product-copy, .product.reverse .product-visual { order: initial; }
  .card-grid, .why-grid, .sys-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .principle-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .auth { grid-template-columns: 1fr; min-height: 0; }
  .auth-aside { padding: 56px 28px; }
}

@media (max-width: 760px) {
  .wrap { padding: 0 20px; }
  .header-inner { height: 64px; gap: 16px; }
  .brand-logo { height: 24px; }
  .nav {
    position: fixed; inset: 64px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: rgba(11,13,18,.98);
    padding: 8px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav-link { width: 100%; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
  .nav-toggle { display: block; }
  .header-actions { margin-left: auto; }
  .header-actions .btn-ghost { display: none; }

  .hero { padding: 122px 0 66px; }
  .hero-title { font-size: 34px; }
  .hero-sub { font-size: 15.5px; }
  .hero-points { gap: 8px 18px; font-size: 12.5px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric { padding: 26px 20px; }
  .metric-num { font-size: 32px; }
  .section { padding: 68px 0; }
  .page-head { padding: 120px 0 56px; }
  .steps { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 26px; }
  .panel { padding: 24px; }
  .cta { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .orbit { width: 300px; height: 300px; }
  .orbit-core { inset: 104px; }
  .ring-2 { inset: 38px; }
  .ring-3 { inset: 78px; }
  .n2 { right: -10px; }
  .n4 { left: -18px; }
}

/* ==========================================================================
   结合拉卡拉官网节奏后的新增区块
   吸收点：① 首屏业务入口条（一屏交代全部业务）② 通栏大图左右交替
           ③ 信任背书与支付方式条 ④ 服务承诺替代虚构证言
   保留点：深墨底 + 品牌橙红渐变，不走白底大厂风
   ========================================================================== */

/* ---------------- 首屏业务入口条 ---------------- */
/* 业务入口：以场景图为主的图卡 */
.hero-deck {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 58px;
}
.deck-tile {
  position: relative;
  display: block;
  height: 188px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0d0f13;
  isolation: isolate;
}
.deck-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.01);
  transition: transform 0.7s cubic-bezier(.2, .7, .2, 1);
}
.deck-tile:hover img { transform: scale(1.07); }
.deck-tile .deck-mask {
  position: absolute; inset: 0;
  /* 底部渐变保证文字可读，最下面一层暖棕色罩把不同来源的图拉到一个色温上 */
  background:
    linear-gradient(180deg,
      rgba(6, 7, 10, 0.00) 0%,
      rgba(6, 7, 10, 0.24) 40%,
      rgba(6, 7, 10, 0.62) 74%,
      rgba(6, 7, 10, 0.90) 100%),
    rgba(30, 21, 14, 0.16);
}
.deck-tile .deck-txt {
  position: absolute; left: 16px; right: 14px; bottom: 14px;
}
.deck-tile b {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}
.deck-tile i {
  display: block;
  margin-top: 5px;
  font-style: normal;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.58);
}
.deck-tile::after {
  content: "";
  position: absolute; left: 16px; bottom: 0;
  width: 0; height: 2px;
  background: var(--grad);
  transition: width 0.35s ease;
}
.deck-tile:hover::after { width: calc(100% - 32px); }
.deck-tile:hover { border-color: rgba(242, 169, 59, 0.45); }

/* 第 5 格：咨询入口，不用图 */
.deck-tile.is-cta {
  background: linear-gradient(145deg, rgba(226, 78, 54, 0.92), rgba(242, 169, 59, 0.7));
  border-color: rgba(242, 169, 59, 0.5);
  display: flex;
  align-items: flex-end;
}
.deck-tile.is-cta .deck-mask { display: none; }
.deck-tile.is-cta b { font-size: 16.5px; }
.deck-tile.is-cta i { color: rgba(255, 255, 255, 0.82); }
.deck-tile.is-cta:hover { filter: brightness(1.06); }

/* 数据/平台：四张小卡代替原本的看板 */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 36px 0 34px;
}
.stack-card {
  padding: 22px 20px 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.stack-card:hover { border-color: rgba(226, 78, 54, 0.35); transform: translateY(-3px); }
.stack-card .sk {
  display: block;
  font-size: 11.5px; letter-spacing: 0.08em; font-weight: 600;
  color: var(--brand-1);
  margin-bottom: 12px;
}
.stack-card b {
  display: block;
  font-size: 15px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.5;
}

/* 公司实景 */
.lobby .scene-frame { margin: 0; }
.fact-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 26px;
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.fact-row .fr b {
  display: block;
  font-size: 24px;
  color: #fff;
  letter-spacing: -0.02em;
}
.fact-row .fr span {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.03em;
}

/* 产品页：用场景图代替示例数据卡 */
.prod-shot { margin: 0; }
.prod-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------------- 信任条 ---------------- */
.trust {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.trust-inner {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
}
.trust-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.tf {
  padding: 4px 18px;
  border-left: 1px solid var(--line);
}
.tf:first-child { border-left: 0; padding-left: 0; }
.tf b {
  display: block;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.tf span {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted-2);
  letter-spacing: 0.02em;
}
.trust-pay {
  padding-left: 40px;
  border-left: 1px solid var(--line);
}
.tp-label {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  margin-bottom: 12px;
}
.tp-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tp-list li {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--soft);
}

/* ---------------- 通栏场景（左右交替） ---------------- */
.section-tight { padding: 104px 0 88px; }
.band {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 0;
  align-items: stretch;
  max-width: 1320px;
  margin: 0 auto 28px;
  padding: 0 28px;
}
.band:last-of-type { margin-bottom: 0; }
.band-reverse .band-media { order: 2; }
.band-reverse .band-copy { order: 1; }

.band-media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: var(--ink);
  box-shadow: 0 40px 80px -48px rgba(11, 13, 18, 0.7);
  aspect-ratio: 3 / 2;
  align-self: center;
  width: 100%;
}
.band-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.band-no {
  position: absolute; left: 18px; top: 16px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 3px 10px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.band-tag {
  position: absolute; right: 16px; bottom: 14px;
  font-size: 10.5px; letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.58);
  background: rgba(11, 13, 18, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 2px 9px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.band-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 0 56px 64px;
}
.band-reverse .band-copy { padding: 56px 64px 56px 0; }
.band-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--brand-1);
  margin-bottom: 14px;
}
.band-copy h3 {
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.band-lede {
  margin-top: 16px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
  max-width: 520px;
}
.band-list {
  margin: 24px 0 30px;
  display: grid;
  gap: 10px;
  max-width: 520px;
}
.band-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}
.band-list li::before {
  content: "";
  position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--grad);
}
.band-copy .btn { align-self: flex-start; }

/* ---------------- 服务承诺 ---------------- */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.promise {
  background: var(--paper);
  padding: 40px 38px;
}
.promise-no {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--brand-1);
}
.promise h3 {
  margin-top: 14px;
  font-size: 20px;
  line-height: 1.3;
}
.promise p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------------- 按钮：借鉴拉卡拉的切角语言 ---------------- */
.btn {
  border-radius: 2px 14px 2px 14px;
}
.btn-solid,
.btn-line {
  border-radius: 2px 14px 2px 14px;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1100px) {
  .band, .band-reverse {
    grid-template-columns: 1fr;
    padding: 0 24px;
  }
  .band-reverse .band-media { order: 0; }
  .band-reverse .band-copy { order: 1; }
  .band-copy,
  .band-reverse .band-copy {
    padding: 30px 0 8px;
  }
  .band-media { aspect-ratio: 16 / 10; }
  .band-lede, .band-list { max-width: none; }
}
@media (max-width: 1024px) {
  .hero-deck { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 48px; }
  .trust-inner { grid-template-columns: 1fr; gap: 30px; }
  .trust-pay { padding-left: 0; border-left: 0; padding-top: 26px; border-top: 1px solid var(--line); }
  .promise-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero-deck { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 40px; gap: 10px; }
  .deck-tile { height: 134px; border-radius: 12px; }
  .deck-tile .deck-txt { left: 13px; right: 12px; bottom: 12px; }
  .deck-tile::after { left: 13px; }
  .deck-tile b { font-size: 14px; }
  .deck-tile i { font-size: 10.5px; margin-top: 4px; }
  .deck-tile.is-cta {
    grid-column: 1 / -1;
    height: 82px;
  }
  .deck-tile.is-cta .deck-txt {
    left: 0; right: 0; bottom: auto; top: 50%;
    transform: translateY(-50%);
    text-align: center;
  }
  .deck-tile.is-cta::after { left: 50%; transform: translateX(-50%); }
  .deck-tile.is-cta:hover::after { width: 56px; }

  .trust-facts { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
  .tf { padding: 0 14px; }
  .tf:nth-child(odd) { border-left: 0; padding-left: 0; }
  .tf:nth-child(3) { border-left: 0; padding-left: 0; }
  .tf b { font-size: 26px; }

  .section-tight { padding: 68px 0 56px; }
  .band, .band-reverse { padding: 0 20px; margin-bottom: 22px; }
  .band-media { aspect-ratio: 4 / 3; border-radius: 14px; }
  .band-copy h3 { font-size: 23px; }
  .band-lede { font-size: 14.5px; }
  .band-list li { font-size: 13.5px; }
  .promise { padding: 28px 24px; }
}

/* ================= 图片呈现统一处理 =================
   后台上传的照片来源不固定：手机实拍、电商白底图、招商海报都有。
   它们本身的色调、亮度、风格差异很大，直接排在一起会互相打架。
   这里在展示层统一压一档，让多种素材看起来像同一套片子；
   图片本体不做处理，换图后依然立即生效。 */

/* 入口卡：压低饱和度与亮度，四张不同来源的图才拉得齐 */
.deck-tile img {
  filter: saturate(0.7) contrast(0.94) brightness(0.82);
}
.deck-tile:hover img {
  filter: saturate(0.8) contrast(0.98) brightness(0.92);
}
/* 通栏场景图：白底/亮调素材不至于比文案还亮 */
.band-media img,
.prod-shot img {
  filter: saturate(0.9) contrast(1.03) brightness(0.96);
}

/* 首屏与公司实景：图片按 4:3 固定，换任何比例的照片都不会撑破版面 */
.scene-frame img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
/* 内阴影压在图片边缘，让白墙照片融进深色底，而不是"贴了一张白纸" */
.scene-frame::after {
  content: "";
  position: absolute; inset: 10px;
  border-radius: 12px;
  box-shadow: inset 0 0 64px rgba(8, 9, 12, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  pointer-events: none;
  z-index: 2;
}

/* ================= 专题页（搜索落地页） =================
   这类页面的首要目标是被人和爬虫都读懂，所以排版上刻意做得朴素：
   大标题 + 导语 + 分块正文，不做花哨动效，正文全部直出 HTML。 */

.crumb {
  padding: 108px 0 0;
  font-size: 13px;
  color: var(--muted-2);
}
.crumb .wrap { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--brand-1); }
.crumb-sep { color: var(--muted-2); opacity: 0.6; }

.topic-head {
  padding: 132px 0 76px;
  background:
    radial-gradient(1100px 480px at 78% -12%, rgba(226, 78, 54, 0.16), transparent 70%),
    var(--ink);
  color: #fff;
}
.crumb + .topic-head { padding-top: 44px; }
.topic-head h1 {
  position: relative;
  font-size: clamp(30px, 4.2vw, 50px);
  letter-spacing: -0.03em;
  max-width: 860px;
}
.topic-lede {
  position: relative;
  margin-top: 22px;
  max-width: 720px;
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.68);
}
.topic-actions { position: relative; display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.topic-note {
  position: relative;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  max-width: 820px;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.38);
}

/* 正文块 */
.wrap.narrow { max-width: 880px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.topic-card { padding: 30px 28px; }
.topic-card h3 { font-size: 19px; margin-bottom: 10px; }
.topic-card p { font-size: 14.5px; line-height: 1.85; color: var(--muted); }
.topic-card .ticks { margin-top: 16px; }
.topic-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(226, 78, 54, 0.09);
  color: var(--brand-1);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

/* 步骤 */
.topic-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; counter-reset: step; }
.topic-steps li { position: relative; padding-top: 22px; border-top: 2px solid var(--line); }
.topic-steps .step-no {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brand-1);
  margin-bottom: 10px;
}
.topic-steps h3 { font-size: 16.5px; margin-bottom: 8px; }
.topic-steps p { font-size: 14px; line-height: 1.85; color: var(--muted); }

/* 问答 */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0 20px;
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15.5px;
  line-height: 1.6;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "＋";
  flex: none;
  color: var(--brand-1);
  font-size: 15px;
  transition: transform 0.25s;
}
.faq-item[open] summary::after { content: "－"; }
.faq-a { padding: 0 0 18px; font-size: 14.5px; line-height: 1.9; color: var(--muted); }
.faq-group-title { margin-bottom: 18px; }
.section.faq-sec { padding: 46px 0; }
.section.faq-sec + .section.faq-sec { border-top: 1px solid var(--line); }

/* 表格 */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.topic-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.topic-table th,
.topic-table td {
  padding: 15px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.75;
}
.topic-table thead th {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  font-weight: 600;
  background: rgba(11, 13, 18, 0.02);
}
.topic-table tbody th { font-weight: 600; color: var(--ink); width: 22%; }
.topic-table td { color: var(--muted); }

/* 场景与环境 */
.split-2 { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 56px; align-items: center; }
.use-list { display: grid; gap: 12px; margin-top: 6px; }
.use-list.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 26px; }
.use-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.use-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}
.mt-40 { margin-top: 40px; }

/* 覆盖区域 */
.area-list { display: flex; flex-wrap: wrap; gap: 12px; }
.area-list li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 14.5px;
}
.area-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-1); }

/* 相关服务 */
.related-wrap { border-top: 1px solid var(--line); padding: 58px 0 66px; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.related-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.25s, transform 0.25s;
}
.related-item:hover { border-color: var(--brand-1); transform: translateY(-2px); }
.related-item i { font-style: normal; color: var(--brand-1); }
.related-foot { margin-top: 22px; font-size: 13.5px; color: var(--muted); }

/* 页脚搜索入口 */
.footer-links-grid { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-links-grid a { font-size: 13px; }

@media (max-width: 1024px) {
  .card-grid.three, .topic-steps, .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-2 { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 720px) {
  .crumb { padding-top: 92px; }
  .topic-head { padding: 108px 0 58px; }
  .crumb + .topic-head { padding-top: 34px; }
  .topic-head h1 { font-size: 28px; }
  .topic-lede { font-size: 15px; }
  .card-grid.three, .topic-steps, .related-grid { grid-template-columns: 1fr; }
  .use-list.cols-2 { grid-template-columns: 1fr; }
  .topic-card { padding: 24px 20px; }
  .faq-item { padding: 0 16px; }
  .faq-item summary { font-size: 14.5px; }
  .section.faq-sec { padding: 34px 0; }
  .section { padding: 64px 0; }
  .area-list li { padding: 9px 15px; font-size: 13.5px; }
}

/* 页脚搜索直达条 */
.footer-links {
  display: flex;
  align-items: baseline;
  gap: 22px;
  flex-wrap: wrap;
  padding: 22px 28px;
  margin-bottom: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-links-label {
  flex: none;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.34);
}
.footer-links-grid a { color: rgba(255, 255, 255, 0.56); }
.footer-links-grid a:hover { color: #fff; }
@media (max-width: 720px) {
  .footer-links { gap: 10px 16px; }
  .footer-links-label { width: 100%; }
}

/* 长正文段落：这类内容给人和爬虫读，行宽与行距比装饰重要 */
.prose p { margin-top: 20px; font-size: 15.5px; line-height: 2.05; color: var(--muted); }
.prose .sec-title { margin-bottom: 8px; }
.topic-steps.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.topic-steps.five { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 1024px) {
  .topic-steps.three, .topic-steps.five { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .topic-steps.three, .topic-steps.five { grid-template-columns: 1fr; }
  .prose p { font-size: 15px; line-height: 1.95; }
}

/* 事实卡：给 AI 抽取用的「谁/在哪/做什么/多久/怎么联系」
   排版上刻意平实，一行一条，不追求视觉冲击——这类内容的价值在于被准确转述。 */
.fact-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 52px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 6px 28px 22px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.fact-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(11, 13, 18, 0.09);
}
.fact-row:nth-last-child(-n + 2) { border-bottom: 0; }
.fact-card dt {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted-2);
  line-height: 1.85;
}
.fact-card dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}
@media (max-width: 900px) {
  .fact-card { grid-template-columns: 1fr; padding: 2px 22px 18px; gap: 0; }
  .fact-row { grid-template-columns: 84px minmax(0, 1fr); }
  .fact-row:nth-last-child(-n + 2) { border-bottom: 1px dashed rgba(11, 13, 18, 0.09); }
  .fact-row:last-child { border-bottom: 0; }
}