/* ==========================================================================
   弘文电商科技 · 公司主页
   品牌色取自官方 Logo：深蓝 #022359 / 青 #0EC3D4
   无外部依赖（不引 CDN、不引外部字体），可离线自持
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  --navy:        #022359;
  --navy-700:    #063a7a;
  --navy-500:    #0d4f9e;
  --cyan:        #0ec3d4;
  --cyan-600:    #0aa6b6;
  --cyan-050:    #e6fafc;

  --ink:         #16203a;
  --muted:       #5d6b85;
  --line:        #e3e9f2;
  --bg:          #ffffff;
  --bg-alt:      #f5f8fc;

  --radius:      14px;
  --radius-lg:   22px;
  --shadow-sm:   0 1px 2px rgba(2, 35, 89, .06), 0 4px 14px rgba(2, 35, 89, .05);
  --shadow-md:   0 10px 30px rgba(2, 35, 89, .09);
  --shadow-lg:   0 24px 60px rgba(2, 35, 89, .16);

  --wrap:        1160px;
  --header-h:    72px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 700; letter-spacing: -.01em; }
p  { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }
a  { color: var(--navy-500); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--cyan-600); }

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: 10px 18px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- 通用排版 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan-600);
  margin-bottom: 14px;
}
.eyebrow-light { color: var(--cyan); }

.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(14, 195, 212, .6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(14, 195, 212, .55); }
  70%  { box-shadow: 0 0 0 12px rgba(14, 195, 212, 0); }
  100% { box-shadow: 0 0 0 0 rgba(14, 195, 212, 0); }
}

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 40px); }
.section-sub { margin-top: 16px; font-size: 17px; color: var(--muted); }
.section-sub strong { color: var(--navy); }

.block-title {
  font-size: clamp(20px, 2.2vw, 26px);
  margin: 64px 0 26px;
}
.block-title::before {
  content: ""; display: inline-block;
  width: 4px; height: 20px; margin-right: 12px;
  vertical-align: -3px; border-radius: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--navy-500));
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; border: 1.5px solid transparent;
  font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; white-space: nowrap;
  transition: transform .18s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--navy-500));
  color: #fff;
  box-shadow: 0 8px 22px rgba(13, 79, 158, .28);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(13, 79, 158, .36);
}

.btn-ghost {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .38);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .18); color: #fff; transform: translateY(-2px); }

.btn-outline {
  border-color: var(--line); color: var(--navy); background: #fff;
}
.btn-outline:hover { border-color: var(--cyan); color: var(--navy); transform: translateY(-2px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 26px; font-weight: 600;
}
.link-arrow span { transition: transform .2s ease; }
.link-arrow:hover span { transform: translateX(5px); }

/* ---------- 页头 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: transparent;
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 6px 24px rgba(2, 35, 89, .06);
}
.header-inner { display: flex; align-items: center; gap: 28px; width: min(100% - 48px, var(--wrap)); }

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 10px;
  background: #fff; padding: 3px;
  box-shadow: 0 2px 10px rgba(2, 35, 89, .18);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 17px; color: #fff; letter-spacing: .02em; transition: color .3s ease; }
.brand-text small { font-size: 9.5px; letter-spacing: .14em; color: rgba(255, 255, 255, .68); transition: color .3s ease; }

.site-header.is-scrolled .brand-text strong { color: var(--navy); }
.site-header.is-scrolled .brand-text small  { color: var(--muted); }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  position: relative;
  padding: 8px 14px; border-radius: 8px;
  font-size: 15px; font-weight: 500;
  color: rgba(255, 255, 255, .9);
  transition: color .25s ease, background .25s ease;
}
.nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px;
  border-radius: 2px; background: var(--cyan);
  transform: scaleX(0); transform-origin: left;
  transition: transform .26s ease;
}
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a:hover { color: #fff; }

.site-header.is-scrolled .nav a { color: var(--ink); }
.site-header.is-scrolled .nav a:hover,
.site-header.is-scrolled .nav a.is-active { color: var(--navy); }

.header-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px; padding: 0;
  border: 1px solid rgba(255, 255, 255, .4); border-radius: 10px;
  background: rgba(255, 255, 255, .1); cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: #fff; transition: transform .28s ease, opacity .2s ease, background .3s ease;
}
.site-header.is-scrolled .nav-toggle { border-color: var(--line); background: #fff; }
.site-header.is-scrolled .nav-toggle span { background: var(--navy); }

.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 72px) 0 72px;
  background:
    radial-gradient(1100px 620px at 78% 8%, #0a4a92 0%, transparent 62%),
    linear-gradient(160deg, #022359 0%, #032a68 46%, #04407f 100%);
  color: #fff;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; }
.orb-1 { width: 460px; height: 460px; top: -140px; right: -80px; background: rgba(14, 195, 212, .5); }
.orb-2 { width: 380px; height: 380px; bottom: -160px; left: -100px; background: rgba(13, 79, 158, .7); }

.grid-lines {
  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: 62px 62px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 76%);
}

.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 56px; align-items: center;
}

.hero-copy h1 {
  font-size: clamp(30px, 4.4vw, 54px);
  letter-spacing: -.02em;
  margin-bottom: 22px;
}
.hero-copy h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--cyan) 10%, #7ee8f2 90%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: var(--cyan);
}
.lede { font-size: 17px; color: rgba(255, 255, 255, .82); max-width: 560px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-points {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  margin-top: 34px; padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  font-size: 14px; color: rgba(255, 255, 255, .74);
}
.hero-points li { position: relative; padding-left: 20px; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(14, 195, 212, .2);
}

/* ---------- 看板模拟 ---------- */
.hero-visual { position: relative; }
.dash {
  position: relative; z-index: 2;
  background: rgba(255, 255, 255, .97);
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  color: var(--ink);
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
.dash-glow {
  position: absolute; inset: 12% -6% -12% 6%; z-index: 1;
  background: radial-gradient(circle at 50% 50%, rgba(14, 195, 212, .5), transparent 68%);
  filter: blur(46px);
}

.dash-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.dash-dots { display: flex; gap: 5px; }
.dash-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.dash-dots i:first-child { background: #ffc9c9; }
.dash-dots i:nth-child(2) { background: #ffe6b0; }
.dash-dots i:nth-child(3) { background: #b9ecd4; }
.dash-title { font-size: 13.5px; font-weight: 700; color: var(--navy); }
.dash-badge {
  margin-left: auto; font-size: 11px; font-weight: 700;
  color: var(--cyan-600); background: var(--cyan-050);
  padding: 3px 10px; border-radius: 999px;
}

.dash-kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 16px 0; }
.kpi {
  background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 14px;
}
.kpi-label { display: block; font-size: 11.5px; color: var(--muted); }
.kpi strong { display: block; font-size: 19px; color: var(--navy); letter-spacing: -.01em; }
.kpi em { font-style: normal; font-size: 11.5px; font-weight: 700; }
.kpi .up { color: #12a06a; }
.kpi .down { color: #e0736b; }

.dash-chart { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 78px; }
.bars i {
  flex: 1; height: var(--h); border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, var(--cyan), var(--navy-500));
  opacity: .85;
  animation: grow .9s cubic-bezier(.22, 1, .36, 1) backwards;
}
.bars i:nth-child(1) { animation-delay: .05s; }
.bars i:nth-child(2) { animation-delay: .10s; }
.bars i:nth-child(3) { animation-delay: .15s; }
.bars i:nth-child(4) { animation-delay: .20s; }
.bars i:nth-child(5) { animation-delay: .25s; }
.bars i:nth-child(6) { animation-delay: .30s; }
.bars i:nth-child(7) { animation-delay: .35s; }
.bars i:nth-child(8) { animation-delay: .40s; }
@keyframes grow { from { height: 0; } }

.chart-legend {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 12px; font-size: 11.5px; color: var(--muted);
}
.legend-tag { color: var(--navy); font-weight: 700; }

.dash-rows { margin-top: 14px; display: grid; gap: 8px; }
.dash-rows li {
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; color: var(--muted);
  padding: 8px 12px; border-radius: 10px; background: #fff;
  border: 1px solid var(--line);
}
.dash-rows li span:nth-child(2) { flex: 1; }
.dash-rows b { color: var(--navy); font-size: 12.5px; }
.tag { font-size: 11px; font-weight: 700; padding: 2px 9px; border-radius: 6px; white-space: nowrap; }
.tag-ok   { color: #12a06a; background: #e7f8f1; }
.tag-warn { color: #b8791a; background: #fdf3e2; }

/* ---------- 指标条 ---------- */
.stats {
  position: relative; z-index: 3;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin-top: 72px;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.stats li { background: rgba(2, 35, 89, .34); padding: 24px 22px; }
.stats strong {
  display: block; font-size: clamp(20px, 2.3vw, 27px);
  color: #fff; letter-spacing: -.01em;
}
.stats strong small { font-size: .55em; font-weight: 600; margin-left: 3px; color: var(--cyan); }
.stats span { display: block; margin-top: 6px; font-size: 13px; color: rgba(255, 255, 255, .7); }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: start; }
.about-copy p { margin-bottom: 20px; color: var(--muted); font-size: 16.5px; }
.about-copy strong { color: var(--navy); font-weight: 600; }

.pillar-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pillar {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(14, 195, 212, .5); }
.pillar-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-bottom: 14px;
  border-radius: 12px; color: var(--cyan-600);
  background: linear-gradient(135deg, var(--cyan-050), #eef4fd);
}
.pillar-ico svg { width: 22px; height: 22px; }
.pillar h3 { font-size: 16.5px; margin-bottom: 8px; color: var(--navy); }
.pillar p { font-size: 14.5px; color: var(--muted); }

/* ---------- 产品 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pain-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.pain-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pain-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 12px; }
.pain-card p { color: var(--muted); font-size: 15px; }
.pain-card-accent {
  background: linear-gradient(150deg, var(--navy) 0%, #06417f 100%);
  border-color: transparent; color: #fff;
}
.pain-card-accent h3 { color: #fff; }
.pain-card-accent h3::after {
  content: ""; display: block; width: 34px; height: 3px; margin-top: 12px;
  border-radius: 3px; background: var(--cyan);
}
.pain-card-accent p { color: rgba(255, 255, 255, .82); }

.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.value-list li {
  position: relative;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--cyan);
  border-radius: 10px; padding: 20px 24px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.value-list li:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.value-list b { display: block; font-size: 16px; color: var(--navy); margin-bottom: 6px; }
.value-list p { font-size: 14.5px; color: var(--muted); }

.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cap-card {
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cap-card::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--navy-500));
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.cap-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.cap-card:hover::after { transform: scaleX(1); }
.cap-no {
  display: block; font-size: 13px; font-weight: 800; letter-spacing: .1em;
  color: var(--cyan); margin-bottom: 12px;
}
.cap-card h4 { font-size: 17.5px; color: var(--navy); margin-bottom: 10px; }
.cap-card p { font-size: 14.5px; color: var(--muted); }

/* ---------- 技术与安全 ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tech-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.tech-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; margin-bottom: 16px;
  border-radius: 13px; color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--navy-500));
  box-shadow: 0 8px 18px rgba(13, 79, 158, .24);
}
.tech-ico svg { width: 24px; height: 24px; }
.tech-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 12px; }
.tech-card p { font-size: 15px; color: var(--muted); }
.tech-note {
  margin-top: 14px !important; padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 14px !important; color: var(--cyan-600) !important; font-weight: 600;
}

.security-panel {
  display: grid; grid-template-columns: 1.25fr 1fr; gap: 0;
  margin-top: 56px; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(150deg, var(--navy) 0%, #053a76 100%);
  box-shadow: var(--shadow-md);
}
.security-main { padding: 40px 42px; }
.security-main h3 { font-size: 21px; color: #fff; margin-bottom: 22px; }
.check-list { display: grid; gap: 14px; }
.check-list li {
  position: relative; padding-left: 32px;
  font-size: 15px; color: rgba(255, 255, 255, .84);
}
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .42em;
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(14, 195, 212, .18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230ec3d4' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center / 11px no-repeat;
}
.security-quote {
  margin: 0; padding: 40px 38px;
  background: rgba(255, 255, 255, .06);
  border-left: 1px solid rgba(255, 255, 255, .14);
  display: flex; flex-direction: column; justify-content: center;
}
.security-quote p {
  position: relative;
  font-size: 15.5px; line-height: 1.85;
  color: rgba(255, 255, 255, .9);
}
.security-quote p::before {
  content: "“"; display: block;
  font-size: 58px; line-height: .6; margin-bottom: 10px;
  color: var(--cyan); opacity: .55;
}
.security-quote cite {
  display: block; margin-top: 18px;
  font-style: normal; font-size: 13px; font-weight: 700; letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 接入流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.flow-step {
  position: relative;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px 26px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.flow-step::before {
  content: ""; position: absolute; top: 46px; right: -18px; width: 18px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(14, 195, 212, .15));
}
.flow-step:last-child::before { display: none; }
.flow-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; margin-bottom: 16px;
  border-radius: 50%; font-size: 15px; font-weight: 800;
  color: #fff; background: linear-gradient(135deg, var(--cyan), var(--navy-500));
  box-shadow: 0 6px 16px rgba(13, 79, 158, .26);
}
.flow-step h3 { font-size: 16px; color: var(--navy); margin-bottom: 10px; }
.flow-step p { font-size: 14px; color: var(--muted); }

.eco-note {
  margin-top: 46px; padding: 34px 38px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  border-top: 3px solid var(--cyan);
}
.eco-note h3 { font-size: 19px; color: var(--navy); margin-bottom: 18px; }
.eco-note ul { display: grid; gap: 12px; }
.eco-note li {
  position: relative; padding-left: 22px;
  font-size: 15px; color: var(--muted);
}
.eco-note li::before {
  content: ""; position: absolute; left: 2px; top: .68em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--cyan);
}

/* ---------- 联系我们 ---------- */
.contact-panel {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 52px;
  padding: 56px; border-radius: var(--radius-lg);
  background:
    radial-gradient(760px 420px at 88% 6%, rgba(14, 195, 212, .26) 0%, transparent 62%),
    linear-gradient(150deg, var(--navy) 0%, #04356f 100%);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.contact-copy h2 { font-size: clamp(24px, 3vw, 34px); color: #fff; }
.contact-lede { margin-top: 16px; color: rgba(255, 255, 255, .78); font-size: 16px; max-width: 460px; }

.contact-list { display: grid; gap: 18px; margin-top: 34px; }
.contact-list li { display: flex; align-items: center; gap: 16px; }
.ci {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 12px; color: var(--cyan);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
}
.ci svg { width: 21px; height: 21px; }
.ci-text { display: flex; flex-direction: column; line-height: 1.4; }
.ci-text small { font-size: 12px; color: rgba(255, 255, 255, .58); }
.ci-text strong, .ci-text a { font-size: 16px; font-weight: 600; color: #fff; }
.ci-text a:hover { color: var(--cyan); }

.contact-card {
  align-self: center;
  background: rgba(255, 255, 255, .97);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.contact-card img {
  width: 96px; height: 96px; margin: 0 auto 18px;
  border-radius: 20px;
  box-shadow: 0 8px 22px rgba(2, 35, 89, .16);
}
.contact-card h3 { font-size: 20px; color: var(--navy); }
.contact-card p { margin: 8px 0 22px; font-size: 14px; color: var(--muted); }
.contact-card .btn + .btn { margin-top: 10px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #01183d;
  color: rgba(255, 255, 255, .68);
  padding: 52px 0 34px;
  font-size: 14px;
}
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 36px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img {
  width: 52px; height: 52px; border-radius: 13px;
  background: #fff; padding: 4px;
}
.footer-brand strong { display: block; font-size: 16px; color: #fff; }
.footer-brand p { font-size: 13px; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: rgba(255, 255, 255, .68); font-size: 14px; }
.footer-nav a:hover { color: var(--cyan); }

.footer-legal { text-align: right; font-size: 13px; line-height: 1.9; }
.footer-legal a { color: rgba(255, 255, 255, .68); }
.footer-legal a:hover { color: var(--cyan); }
.footer-legal .sep { margin: 0 8px; opacity: .4; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 46px; height: 46px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; border-radius: 50%; cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--navy-500));
  box-shadow: 0 10px 24px rgba(13, 79, 158, .34);
  opacity: 0; transform: translateY(14px);
  transition: opacity .28s ease, transform .28s ease;
}
.to-top svg { width: 20px; height: 20px; }
.to-top.is-show { opacity: 1; transform: none; }
.to-top:hover { transform: translateY(-3px); }

/* ---------- 滚动进场 ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s cubic-bezier(.22, 1, .36, 1), transform .7s cubic-bezier(.22, 1, .36, 1);
  will-change: opacity, transform;
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { max-width: 680px; }
  .hero-visual { max-width: 520px; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .cap-grid, .tech-grid, .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step::before { display: none; }
  .security-panel { grid-template-columns: 1fr; }
  .security-quote { border-left: none; border-top: 1px solid rgba(255, 255, 255, .14); }
  .contact-panel { grid-template-columns: 1fr; gap: 40px; padding: 44px 38px; }
  .contact-card { max-width: 420px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-legal { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 860px) {
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff;
    padding: 10px 24px 26px;
    box-shadow: 0 18px 34px rgba(2, 35, 89, .14);
    border-top: 1px solid var(--line);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: transform .28s ease, opacity .28s ease, visibility .28s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav-open .nav { transform: none; opacity: 1; visibility: visible; }
  .nav a { color: var(--ink) !important; padding: 14px 4px; font-size: 16px; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: none; }
  .nav a::after { display: none; }

  .site-header { background: rgba(255, 255, 255, .92); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
  .brand-text strong { color: var(--navy) !important; }
  .brand-text small  { color: var(--muted) !important; }
  .nav-toggle { border-color: var(--line) !important; background: #fff !important; }
  .nav-toggle span { background: var(--navy) !important; }

  .section { padding: 68px 0; }
  .hero { padding: calc(var(--header-h) + 48px) 0 56px; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: 52px; }
  .pillar-list, .value-list, .cap-grid, .tech-grid, .pain-grid, .flow { grid-template-columns: 1fr; }
  .security-main, .security-quote { padding: 32px 26px; }
  .eco-note { padding: 28px 24px; }
  .contact-panel { padding: 34px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
  .to-top { right: 16px; bottom: 16px; }
}

@media (max-width: 520px) {
  .wrap, .header-inner { width: min(100% - 32px, var(--wrap)); }
  .dash { padding: 16px; }
  .dash-kpis { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1; }
}

/* ---------- 动效偏好 / 打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .to-top, .nav-toggle, .hero-bg, .dash-glow { display: none !important; }
  body { color: #000; }
  .hero, .contact-panel, .security-panel { background: #fff !important; color: #000 !important; }
  .js .reveal { opacity: 1 !important; transform: none !important; }
}