/* =========================================================
   大名软件官网 — 全站样式
   品牌色：主 #1E6FE0 / 辅 #29ABE2 / 渐变 135° / 橙 #FF7D00
   深色页脚 #0E1B2C  正文 #333/#666  区块底 #F5F7FA
   ========================================================= */
:root {
  --primary: #1E6FE0;
  --primary-dark: #1558B8;
  --secondary: #29ABE2;
  --cyan: #36CFC9;
  --orange: #FF7D00;
  --gold: #C9A86A;
  --dark: #0E1B2C;
  --text: #333333;
  --text-2: #666666;
  --muted: #999999;
  --bg-soft: #F5F7FA;
  --border: #E8ECF2;
  --grad: linear-gradient(135deg, #1E6FE0 0%, #29ABE2 100%);
  --grad-soft: linear-gradient(135deg, rgba(30,111,224,.08), rgba(41,171,226,.08));
  --shadow-sm: 0 2px 10px rgba(14, 27, 44, .06);
  --shadow-md: 0 10px 30px rgba(14, 27, 44, .10);
  --shadow-blue: 0 10px 24px rgba(30, 111, 224, .25);
  --radius: 12px;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: #fff;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; color: var(--text); }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; line-height: 1.4; white-space: nowrap;
  transition: all .25s ease; cursor: pointer;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-blue); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(30,111,224,.35); filter: brightness(1.05); }
.btn-ghost { background: #fff; color: var(--primary); border-color: rgba(30,111,224,.45); }
.btn-ghost:hover { border-color: var(--primary); background: rgba(30,111,224,.05); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,.15); }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-nav { padding: 10px 22px; font-size: 14px; border-radius: 6px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
.site-header.scrolled { box-shadow: 0 2px 16px rgba(14,27,44,.08); border-color: var(--border); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo {
  width: 44px; height: 44px; object-fit: contain;
  mix-blend-mode: screen; /* 去除 LOGO 纯黑底 */
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 19px; letter-spacing: 2px; color: var(--dark); }
.brand-text em { font-style: normal; font-size: 10px; letter-spacing: 1.5px; color: var(--muted); text-transform: uppercase; }

.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 10px 16px; font-size: 15px; color: var(--text);
  border-radius: 6px; position: relative;
}
.main-nav > ul > li > a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 2px;
  background: var(--grad); border-radius: 2px; transform: scaleX(0); transition: transform .25s;
}
.main-nav > ul > li > a:hover { color: var(--primary); }
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li.active > a::after { transform: scaleX(1); }
.main-nav > ul > li.active > a { color: var(--primary); font-weight: 600; }
.main-nav .caret { width: 10px; height: 10px; margin-left: 2px; vertical-align: 1px; transition: transform .25s; }

.sub-menu {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translate(-50%, 8px);
  min-width: 220px; background: #fff; border-radius: 10px; box-shadow: var(--shadow-md);
  border: 1px solid var(--border); padding: 8px;
  opacity: 0; visibility: hidden; transition: all .25s;
}
.sub-menu::before { content: ""; position: absolute; top: -8px; left: 50%; transform: translateX(-50%); border: 8px solid transparent; border-bottom-color: #fff; border-top-width: 0; }
.has-sub:hover .sub-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.has-sub:hover .caret { transform: rotate(180deg); }
.sub-menu a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: 8px; font-size: 14px; color: var(--text-2);
}
.sub-menu a:hover { background: var(--bg-soft); color: var(--primary); }
.sub-menu a .sm-icon { width: 30px; height: 30px; border-radius: 7px; background: var(--grad-soft); display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; }
.sub-menu a .sm-icon svg { width: 16px; height: 16px; }
.sub-menu a.pending span.badge-mini { margin-left: auto; }

.badge-mini {
  display: inline-block; padding: 1px 7px; border-radius: 20px;
  background: #FFF3E8; color: var(--orange); font-size: 11px; font-weight: 600; line-height: 1.6;
}

.nav-toggle { display: none; width: 40px; height: 40px; border: none; background: none; flex-direction: column; justify-content: center; align-items: center; gap: 5px; margin-left: auto; }
.nav-toggle span { width: 22px; height: 2px; background: var(--dark); border-radius: 2px; transition: all .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 Banner ---------- */
.hero {
  position: relative; padding: calc(var(--header-h) + 72px) 0 88px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F7FA 100%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; width: 560px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle, rgba(30,111,224,.14) 0%, rgba(41,171,226,.05) 55%, transparent 70%);
  top: -140px; right: -80px; pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(41,171,226,.12) 0%, transparent 65%);
  bottom: -160px; left: -120px; pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 40px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
  background: rgba(30,111,224,.08); border: 1px solid rgba(30,111,224,.18);
  color: var(--primary); border-radius: 30px; font-size: 13px; font-weight: 500; margin-bottom: 22px;
}
.hero-kicker::before { content: ""; width: 8px; height: 8px; background: var(--grad); border-radius: 2px; }
.hero h1 { font-size: 46px; line-height: 1.3; color: var(--dark); letter-spacing: 1px; margin-bottom: 18px; }
.hero h1 .grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { font-size: 17px; color: var(--text-2); max-width: 520px; margin-bottom: 34px; }
.hero-desc b { color: var(--text); }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 34px; }
.hero-tags span {
  padding: 5px 14px; background: #fff; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; color: var(--text-2); box-shadow: var(--shadow-sm);
}
.hero-tags span i { font-style: normal; color: var(--primary); font-weight: 700; margin-right: 4px; }

/* Hero 右侧视觉：像素地球 + 电路连线 + 飞散方块 */
.hero-visual { position: relative; height: 460px; }
.hero-globe {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 400px; height: 400px; object-fit: contain;
  mix-blend-mode: screen; filter: drop-shadow(0 24px 60px rgba(30,111,224,.35));
  animation: floatY 6s ease-in-out infinite;
}
.hero-circuit { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-node {
  position: absolute; display: flex; align-items: center; justify-content: center;
  width: 58px; height: 58px; border-radius: 14px; background: #fff;
  box-shadow: 0 8px 22px rgba(14,27,44,.12); color: var(--primary);
  border: 1px solid var(--border); animation: floatY 5s ease-in-out infinite;
}
.hero-node svg { width: 28px; height: 28px; }
.hero-node.n1 { top: 8%; left: 6%; animation-delay: .4s; }
.hero-node.n2 { top: 16%; right: 4%; animation-delay: 1.2s; color: var(--secondary); }
.hero-node.n3 { bottom: 20%; left: 0; animation-delay: 2s; color: var(--cyan); }
.hero-node.n4 { bottom: 6%; right: 10%; animation-delay: .8s; }
.pixel {
  position: absolute; border-radius: 3px; background: var(--grad); opacity: .8;
  animation: flyUp 4.5s ease-in-out infinite;
}
.pixel.p1 { width: 12px; height: 12px; top: 24%; right: 18%; animation-delay: 0s; }
.pixel.p2 { width: 8px; height: 8px; top: 40%; right: 6%; animation-delay: 1s; }
.pixel.p3 { width: 10px; height: 10px; top: 12%; left: 24%; animation-delay: 2s; opacity: .55; }
.pixel.p4 { width: 7px; height: 7px; bottom: 30%; right: 26%; animation-delay: 1.6s; opacity: .6; }
.pixel.p5 { width: 9px; height: 9px; bottom: 12%; left: 18%; animation-delay: 2.6s; opacity: .5; }

@keyframes floatY { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 12px)); } }
.hero-node, .pixel { will-change: transform; }
@keyframes flyUp {
  0%, 100% { transform: translateY(0); opacity: .75; }
  50% { transform: translateY(-22px); opacity: .3; }
}

/* ---------- 通用板块 ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.section-head.left { text-align: left; margin-left: 0; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600;
  color: var(--primary); letter-spacing: 2px; margin-bottom: 12px;
}
.sec-tag::before, .sec-tag::after { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--grad); opacity: .85; }
.section-head h2 { font-size: 32px; color: var(--dark); letter-spacing: 1px; line-height: 1.35; margin-bottom: 14px; }
.section-head p { color: var(--text-2); font-size: 15.5px; }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.product-card {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 22px 26px; text-align: center; display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
  overflow: hidden;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: rgba(30,111,224,.35); }
.product-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad); transform: scaleX(0); transition: transform .3s; transform-origin: left;
}
.product-card:hover::after { transform: scaleX(1); }
.pc-icon {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 16px;
  background: var(--grad-soft); border: 1px solid rgba(30,111,224,.12);
  display: flex; align-items: center; justify-content: center; color: var(--primary);
  transition: all .3s;
}
.pc-icon svg { width: 32px; height: 32px; }
.product-card:hover .pc-icon { background: var(--grad); color: #fff; box-shadow: var(--shadow-blue); }
.product-card h3 { font-size: 17px; color: var(--dark); margin-bottom: 10px; }
.product-card p { font-size: 13px; color: var(--text-2); line-height: 1.7; flex: 1; margin-bottom: 18px; }
.pc-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.pc-link svg { width: 14px; height: 14px; transition: transform .25s; }
.product-card:hover .pc-link svg { transform: translateX(4px); }
.card-badge {
  position: absolute; top: 14px; right: -34px; transform: rotate(45deg);
  background: var(--orange); color: #fff; font-size: 11px; font-weight: 600;
  padding: 4px 36px; letter-spacing: 1px; box-shadow: 0 2px 8px rgba(255,125,0,.35);
}

/* 产品中心页大卡片（两列网格） */
.product-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.product-card-lg {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 32px; display: flex; gap: 24px; align-items: flex-start;
  transition: transform .3s, box-shadow .3s, border-color .3s; overflow: hidden;
}
.product-card-lg:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(30,111,224,.35); }
.product-card-lg .pc-icon { width: 72px; height: 72px; flex-shrink: 0; margin: 0; }
.product-card-lg h3 { font-size: 19px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.product-card-lg > div { flex: 1; }
.product-card-lg .desc { font-size: 14px; color: var(--text-2); margin-bottom: 14px; }
.product-card-lg ul.points { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-bottom: 18px; }
.product-card-lg ul.points li { font-size: 13px; color: var(--text-2); padding-left: 18px; position: relative; }
.product-card-lg ul.points li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 8px; height: 8px;
  border-radius: 2px; background: var(--grad); opacity: .85;
}

/* ---------- 优势卡片 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 26px; transition: transform .3s, box-shadow .3s;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.adv-num { font-size: 13px; font-weight: 700; color: var(--secondary); letter-spacing: 2px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.adv-num::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(41,171,226,.4), transparent); }
.adv-card h3 { font-size: 17px; color: var(--dark); margin-bottom: 10px; }
.adv-card p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 解决方案标签卡 ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sol-card {
  position: relative; border-radius: var(--radius); padding: 28px 24px; color: #fff;
  background: var(--grad); overflow: hidden; min-height: 190px;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform .3s, box-shadow .3s;
}
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-blue); }
.sol-card.s2 { background: linear-gradient(135deg, #1558B8, #1E6FE0); }
.sol-card.s3 { background: linear-gradient(135deg, #1B8FD4, #36CFC9); }
.sol-card.s4 { background: linear-gradient(135deg, #0E1B2C, #1E3A5C); }
.sol-card::before {
  content: ""; position: absolute; top: -30px; right: -30px; width: 120px; height: 120px;
  background: rgba(255,255,255,.12); border-radius: 20px; transform: rotate(24deg);
}
.sol-card::after {
  content: ""; position: absolute; top: 20px; right: 26px; width: 40px; height: 40px;
  background: rgba(255,255,255,.18); border-radius: 8px; transform: rotate(12deg);
}
.sol-card h3 { font-size: 18px; margin-bottom: 6px; position: relative; }
.sol-card p { font-size: 13px; opacity: .88; position: relative; }
.sol-card .go { margin-top: 12px; font-size: 13px; font-weight: 600; position: relative; display: inline-flex; align-items: center; gap: 4px; }

/* ---------- 客户案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .3s, box-shadow .3s;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-logo {
  height: 52px; display: flex; align-items: center; margin-bottom: 18px;
  font-size: 17px; font-weight: 700; color: #B9C4D2; letter-spacing: 2px;
}
.case-card p { font-size: 14px; color: var(--text-2); }
.case-card .tag { display: inline-block; margin-top: 16px; padding: 3px 12px; border-radius: 20px; background: rgba(30,111,224,.08); color: var(--primary); font-size: 12px; font-weight: 600; }

/* ---------- CTA 表单 ---------- */
.cta-section { position: relative; padding: 84px 0; background: var(--grad); overflow: hidden; }
.cta-section::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 15%, rgba(255,255,255,.14) 0%, transparent 40%),
              radial-gradient(circle at 10% 90%, rgba(255,255,255,.1) 0%, transparent 40%);
}
.cta-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-copy h2 { font-size: 34px; color: #fff; margin-bottom: 14px; letter-spacing: 1px; }
.cta-copy p { color: rgba(255,255,255,.88); font-size: 15.5px; max-width: 440px; margin-bottom: 24px; }
.cta-points li { color: rgba(255,255,255,.92); font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.cta-points li::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: #fff; opacity: .9; flex-shrink: 0; }

.form-panel {
  background: #fff; border-radius: 16px; padding: 36px 34px; box-shadow: 0 24px 60px rgba(9,30,66,.25);
}
.form-panel h3 { font-size: 20px; color: var(--dark); margin-bottom: 6px; }
.form-panel .form-sub { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 13px; color: var(--text); margin-bottom: 6px; font-weight: 500; }
.form-field label b { color: #E5484D; font-weight: 400; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px;
  background: #FAFBFC; outline: none; transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none; appearance: none;
}
.form-field select { background: #FAFBFC url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(30,111,224,.12);
}
.form-field input.error { border-color: #E5484D; box-shadow: 0 0 0 3px rgba(229,72,77,.1); }
.form-field .err-msg { display: none; font-size: 12px; color: #E5484D; margin-top: 4px; }
.form-field.invalid .err-msg { display: block; }
.form-tip { font-size: 12px; color: var(--muted); text-align: center; margin-top: 12px; }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(14,27,44,.55); z-index: 2000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: all .3s;
}
.modal-mask.show { opacity: 1; visibility: visible; }
.modal {
  background: #fff; border-radius: 16px; padding: 44px 40px 36px; max-width: 420px; width: 100%;
  text-align: center; transform: scale(.92); transition: transform .3s; position: relative;
}
.modal-mask.show .modal { transform: scale(1); }
.modal .ok-icon {
  width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(54,207,201,.15), rgba(30,111,224,.15));
  display: flex; align-items: center; justify-content: center; color: var(--primary);
}
.modal .ok-icon svg { width: 36px; height: 36px; }
.modal h3 { font-size: 20px; color: var(--dark); margin-bottom: 10px; }
.modal p { font-size: 14px; color: var(--text-2); margin-bottom: 24px; }
.modal-close { position: absolute; top: 14px; right: 16px; width: 32px; height: 32px; border: none; background: none; font-size: 22px; color: var(--muted); line-height: 1; }
.modal-close:hover { color: var(--text); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--dark); color: rgba(255,255,255,.75); }
.footer-top {
  display: grid; grid-template-columns: 1.3fr 1fr 1.1fr; gap: 48px; padding: 64px 0 48px;
}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-logo img { width: 46px; height: 46px; mix-blend-mode: screen; }
.footer-logo span { display: flex; flex-direction: column; line-height: 1.25; }
.footer-logo span b { font-size: 18px; color: #fff; letter-spacing: 2px; }
.footer-logo span i { font-style: normal; font-size: 10px; letter-spacing: 1.5px; color: rgba(255,255,255,.45); }
.footer-brand p { font-size: 13.5px; color: rgba(255,255,255,.6); line-height: 1.9; max-width: 320px; }
.footer-col h4 { font-size: 15px; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--grad); border-radius: 2px; }
.footer-nav li { margin-bottom: 11px; }
.footer-nav a { font-size: 13.5px; color: rgba(255,255,255,.6); }
.footer-nav a:hover { color: #fff; }
.footer-contact li { font-size: 13.5px; color: rgba(255,255,255,.6); margin-bottom: 12px; display: flex; gap: 10px; }
.footer-contact li svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 4px; color: var(--secondary); }
.footer-contact .qr-item { align-items: flex-start; margin-top: 18px; }
.footer-contact .qr-img {
  width: 120px; height: 120px; background: #fff; border-radius: 8px; padding: 7px; flex-shrink: 0;
}
.footer-contact .qr-img img { width: 100%; height: 100%; border-radius: 4px; }
.footer-contact .qr-txt { font-size: 12.5px; color: rgba(255,255,255,.55); line-height: 1.7; }
.footer-contact .qr-txt b { display: block; color: rgba(255,255,255,.85); font-size: 13px; margin-bottom: 2px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,.55); }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: #fff; }

/* ---------- 悬浮工具 ---------- */
.float-tools { position: fixed; right: 24px; bottom: 90px; z-index: 900; display: flex; flex-direction: column; gap: 12px; }
.ft-btn {
  width: 48px; height: 48px; border-radius: 12px; background: #fff; border: 1px solid var(--border);
  box-shadow: var(--shadow-md); display: flex; align-items: center; justify-content: center;
  color: var(--primary); transition: all .25s;
}
.ft-btn:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.ft-btn svg { width: 22px; height: 22px; }
#backTop { opacity: 0; visibility: hidden; pointer-events: none; }
#backTop.show { opacity: 1; visibility: visible; pointer-events: auto; }
.qr-pop {
  position: absolute; right: 64px; bottom: 0; width: 160px; background: #fff; border-radius: 12px;
  box-shadow: var(--shadow-md); border: 1px solid var(--border); padding: 14px;
  opacity: 0; visibility: hidden; transform: translateX(8px); transition: all .25s; text-align: center;
}
.qr-pop.show { opacity: 1; visibility: visible; transform: translateX(0); }
.qr-pop img { width: 100%; border-radius: 8px; }
.qr-pop p { font-size: 12px; color: var(--text-2); margin-top: 8px; }
.service-wrap { position: relative; }

/* ---------- 子页面通用 ---------- */
.page-hero {
  position: relative; padding: calc(var(--header-h) + 56px) 0 56px; background: var(--grad);
  color: #fff; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 90% 10%, rgba(255,255,255,.14) 0%, transparent 45%),
              radial-gradient(circle at 5% 95%, rgba(255,255,255,.1) 0%, transparent 40%);
}
.page-hero .container { position: relative; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,.75); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 6px; opacity: .6; }
.page-hero h1 { font-size: 34px; letter-spacing: 1px; margin-bottom: 14px; }
.page-hero .lede { font-size: 15.5px; color: rgba(255,255,255,.9); max-width: 860px; }
.page-hero .hero-meta { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.page-hero .hero-meta span {
  padding: 5px 14px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25);
  border-radius: 30px; font-size: 13px;
}
.status-live { color: #C9F7EE; }
.status-pending { background: var(--orange) !important; border-color: var(--orange) !important; }

/* 痛点 */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; counter-reset: pain; }
.pain-item {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 24px; transition: transform .25s, box-shadow .25s;
}
.pain-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.pain-num {
  counter-increment: pain; flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px;
  background: var(--grad-soft); border: 1px solid rgba(30,111,224,.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: var(--primary);
}
.pain-num::before { content: "0" counter(pain); }
.pain-item h3 { font-size: 15.5px; color: var(--dark); margin-bottom: 4px; }
.pain-item p { font-size: 13.5px; color: var(--text-2); }

/* 核心功能 */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; transition: transform .3s, box-shadow .3s, border-color .3s;
}
.feat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(30,111,224,.3); }
.feat-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--grad-soft); display: flex; align-items: center; justify-content: center; color: var(--primary); margin-bottom: 16px; }
.feat-icon svg { width: 24px; height: 24px; }
.feat-card h3 { font-size: 16px; color: var(--dark); margin-bottom: 8px; }
.feat-card p { font-size: 13.5px; color: var(--text-2); }

/* 价值 */
.value-band { background: var(--grad); border-radius: 16px; padding: 44px 44px; color: #fff; position: relative; overflow: hidden; }
.value-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 88% 0%, rgba(255,255,255,.15) 0%, transparent 42%); }
.value-band h2 { font-size: 24px; margin-bottom: 26px; position: relative; }
.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 32px; position: relative; }
.value-list li { display: flex; gap: 12px; font-size: 14.5px; line-height: 1.8; }
.value-list li svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 5px; color: #B7F3EA; }

/* 适用客户 */
.fit-chips { display: flex; flex-wrap: wrap; gap: 14px; }
.fit-chips span {
  padding: 12px 26px; background: #fff; border: 1px solid var(--border); border-radius: 30px;
  font-size: 14.5px; color: var(--text-2); box-shadow: var(--shadow-sm);
}
.fit-chips span b { color: var(--primary); font-weight: 600; margin-right: 4px; }

/* 工具箱页面大功能列表 */
.toolbox-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.toolbox-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 28px; transition: transform .3s, box-shadow .3s; }
.toolbox-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.toolbox-card .t-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.toolbox-card .t-head .feat-icon { margin-bottom: 0; }
.toolbox-card h3 { font-size: 17px; }
.toolbox-card p { font-size: 13.5px; color: var(--text-2); }

/* 优势四卡（首页）编号样式 */
/* ---------- 解决方案页 ---------- */
.sol-section { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 56px 0; }
.sol-section + .sol-section { border-top: 1px dashed var(--border); }
.sol-copy h2 { font-size: 26px; color: var(--dark); margin-bottom: 14px; }
.sol-copy > p { color: var(--text-2); font-size: 14.5px; margin-bottom: 18px; }
.sol-copy ul.ticks { margin-bottom: 24px; }
.sol-copy ul.ticks li { position: relative; padding-left: 24px; font-size: 14px; color: var(--text-2); margin-bottom: 8px; }
.sol-copy ul.ticks li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 12px; height: 12px; border-radius: 3px;
  background: var(--grad); opacity: .85;
}
.sol-side { background: var(--bg-soft); border-radius: 16px; padding: 34px 32px; border: 1px solid var(--border); }
.sol-side h4 { font-size: 15px; color: var(--dark); margin-bottom: 16px; }
.sol-side ul li { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px dashed var(--border); font-size: 14px; color: var(--text-2); }
.sol-side ul li:last-child { border-bottom: none; }
.sol-side ul li a { color: var(--primary); font-weight: 600; font-size: 13px; }

/* ---------- 案例页 ---------- */
.case-lg {
  background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 36px 36px;
  margin-bottom: 24px; display: grid; grid-template-columns: 200px 1fr; gap: 36px; align-items: center;
  transition: box-shadow .3s;
}
.case-lg:hover { box-shadow: var(--shadow-md); }
.case-lg .cl-logo { text-align: center; font-weight: 700; color: #B9C4D2; letter-spacing: 2px; font-size: 18px; border-right: 1px dashed var(--border); padding: 20px 10px; }
.case-lg h3 { font-size: 18px; color: var(--dark); margin-bottom: 10px; }
.case-lg p { font-size: 14px; color: var(--text-2); }
.case-lg .results { display: flex; gap: 28px; margin-top: 18px; flex-wrap: wrap; }
.case-lg .results div b { display: block; font-size: 22px; color: var(--primary); }
.case-lg .results div span { font-size: 12.5px; color: var(--muted); }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: start; }
.about-copy h2 { font-size: 26px; color: var(--dark); margin: 30px 0 14px; }
.about-copy h2:first-child { margin-top: 0; }
.about-copy p { font-size: 14.5px; color: var(--text-2); margin-bottom: 12px; }
.milestones { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 50px; }
.ms-item { text-align: center; padding: 30px 16px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.ms-item b { display: block; font-size: 34px; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.2; }
.ms-item span { font-size: 13.5px; color: var(--text-2); }
.about-pixel { display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; }
.about-pixel i { width: 22px; height: 22px; border-radius: 4px; background: var(--grad); opacity: .15; }
.about-pixel i.on { opacity: 1; }
.about-pixel i.mid { opacity: .45; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; align-items: start; }
.contact-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 26px; margin-bottom: 18px; display: flex; gap: 16px; align-items: flex-start; }
.contact-card .feat-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-card h3 { font-size: 15px; color: var(--dark); margin-bottom: 4px; }
.contact-card p { font-size: 14px; color: var(--text-2); }
.contact-card .placeholder { color: var(--muted); font-size: 12.5px; }

/* 演示页 hero 后步骤条 */
.demo-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: -40px; position: relative; z-index: 2; }
.step-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 26px 22px; text-align: center; box-shadow: var(--shadow-sm); }
.step-card .s-num { width: 36px; height: 36px; margin: 0 auto 12px; border-radius: 50%; background: var(--grad); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.step-card h4 { font-size: 15px; color: var(--dark); margin-bottom: 6px; }
.step-card p { font-size: 13px; color: var(--text-2); }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; } .reveal.d4 { transition-delay: .4s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1199px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 40px; }
  .hero-visual { height: 400px; }
  .hero-globe { width: 340px; height: 340px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: #fff; padding: 20px 5% 40px; overflow-y: auto;
    transform: translateX(100%); transition: transform .3s; margin-left: 0;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav > ul > li > a { padding: 14px 8px; font-size: 16px; border-bottom: 1px solid var(--border); }
  .main-nav > ul > li > a::after { display: none; }
  .sub-menu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; padding: 0 0 8px 12px; min-width: 0; display: none; }
  .sub-menu::before { display: none; }
  .has-sub.expanded .sub-menu { display: block; }
  .nav-toggle { display: flex; }
  .btn-nav { margin-left: auto; margin-right: 12px; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding: calc(var(--header-h) + 44px) 0 56px; }
  .hero h1 { font-size: 32px; }
  .hero-visual { order: -1; height: 300px; }
  .hero-globe { width: 240px; height: 240px; }
  .hero-node { width: 46px; height: 46px; }
  .cta-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .sol-section { grid-template-columns: 1fr; gap: 24px; padding: 44px 0; }
  .product-grid-2 { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .milestones { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 36px; padding: 48px 0 40px; }
  .demo-steps { grid-template-columns: repeat(2, 1fr); }
  .case-lg { grid-template-columns: 1fr; gap: 20px; }
  .case-lg .cl-logo { border-right: none; border-bottom: 1px dashed var(--border); padding: 0 0 16px; }
  .value-band { padding: 34px 26px; }
  .value-list { grid-template-columns: 1fr; }
  .product-card-lg { flex-direction: column; }
  .product-card-lg ul.points { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .btn-nav { display: none; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .product-card { padding: 22px 16px 20px; }
  .adv-grid, .sol-grid, .feat-grid, .case-grid, .toolbox-grid, .demo-steps { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 25px; }
  .form-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 27px; }
  .hero-desc { font-size: 15px; }
  .page-hero h1 { font-size: 26px; }
  .float-tools { right: 14px; bottom: 70px; }
  .product-grid { grid-template-columns: 1fr; }
}