/* ============================================================
   金蝶软件广州今友官网 — style.css
   设计语言：企业云蓝（金蝶蓝）× 铂金点缀 × 云朵意象
   ============================================================ */

:root {
  --kd-blue: #0068b7;          /* 金蝶品牌蓝 */
  --kd-blue-deep: #004a86;
  --kd-blue-dark: #0b2b52;     /* 深海蓝 */
  --kd-sky: #e8f4ff;           /* 浅天蓝 */
  --gold: #c8a15a;             /* 铂金 */
  --gold-light: #f0e2c4;
  --ink: #1b2a41;
  --ink-soft: #5a6b85;
  --line: #e3ecf5;
  --white: #ffffff;
  --shadow-sm: 0 6px 18px rgba(11, 43, 82, .08);
  --shadow-md: 0 14px 40px rgba(11, 43, 82, .14);
  --radius: 18px;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-display: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(.22, .8, .32, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: min(1180px, 92%); margin-inline: auto; }

/* ---------- 顶部滚动进度条 ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--kd-blue), #2fa3ff);
  z-index: 1001; transition: width .1s linear;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
  will-change: transform;
}
.btn-primary {
  background: linear-gradient(135deg, #0079d4, var(--kd-blue-deep));
  color: #fff; box-shadow: 0 10px 26px rgba(0, 104, 183, .35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(0, 104, 183, .45); }
.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, .7); color: #fff;
  background: rgba(255, 255, 255, .08); backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .2); transform: translateY(-3px); }
.btn-sm { padding: 10px 22px; font-size: 14px; }

/* ---------- 区块通用 ---------- */
.section { padding: 96px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block; font-size: 12px; letter-spacing: .35em;
  color: var(--kd-blue); font-weight: 700; margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; letter-spacing: .06em;
  color: var(--ink);
}
.section-head h2::after {
  content: ""; display: block; width: 56px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, var(--kd-blue), #2fa3ff);
  margin: 16px auto 0;
}
.section-head p { color: var(--ink-soft); margin-top: 14px; font-size: 15.5px; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255, 255, 255, .72); }
.section-head.light .section-tag { color: var(--gold-light); }

/* ---------- 滚动浮现动画 ---------- */
.reveal {
  opacity: 0; transform: translateY(34px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }

/* ============================================================
   导航栏
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .35s, border-color .35s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(11, 43, 82, .08);
}
.nav-wrap { display: flex; align-items: center; gap: 28px; height: 74px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, #0084e0, var(--kd-blue-deep));
  color: #fff; font-size: 23px; font-weight: 800;
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(0, 104, 183, .35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 19px; letter-spacing: .1em; color: var(--ink); }
.brand-text em { font-size: 9px; letter-spacing: .22em; color: var(--ink-soft); font-style: normal; }
.brand-kingdee { height: 26px; width: auto; opacity: .92; margin-left: 4px; }

.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a {
  padding: 8px 14px; font-size: 15px; font-weight: 500; color: var(--ink);
  border-radius: 10px; position: relative; transition: color .25s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 2.5px; border-radius: 3px; background: var(--kd-blue);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.main-nav a:hover, .main-nav a.active { color: var(--kd-blue); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.phone-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; color: var(--kd-blue); font-size: 15px;
  padding: 9px 16px; border: 1.5px solid rgba(0, 104, 183, .25);
  border-radius: 999px; transition: all .3s;
}
.phone-link:hover { background: var(--kd-sky); border-color: var(--kd-blue); }

/* 免费试用按钮（与劲虎官网「免费试用」按钮风格一致） */
.trial-link {
  display: inline-flex; align-items: center; gap: 4px;
  background: linear-gradient(135deg, #0052D9, #003DB8);
  color: #fff; font-weight: 600; font-size: 13px; letter-spacing: .02em;
  padding: 7px 20px; border-radius: 6px; white-space: nowrap;
  box-shadow: 0 2px 10px rgba(0, 82, 217, .25);
  transition: all .2s;
}
.trial-link:hover {
  background: #003DB8;
  box-shadow: 0 4px 16px rgba(0, 82, 217, .35);
  transform: translateY(-1px);
  color: #fff;
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 3px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   Hero 首屏
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.05); animation: heroZoom 18s ease-in-out infinite alternate; }
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.12); } }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(115deg, rgba(6, 32, 66, .92) 0%, rgba(0, 74, 134, .78) 45%, rgba(0, 104, 183, .45) 100%),
    radial-gradient(1200px 500px at 80% 20%, rgba(47, 163, 255, .35), transparent 60%);
}
.hero-clouds { position: absolute; inset: 0; pointer-events: none; }
.cloud { position: absolute; animation: drift linear infinite; }
.cloud-1 { width: 260px; top: 18%; left: -260px; animation-duration: 60s; }
.cloud-2 { width: 340px; top: 55%; left: -340px; animation-duration: 85s; animation-delay: -30s; }
.cloud-3 { width: 220px; top: 32%; left: -220px; animation-duration: 48s; animation-delay: -20s; }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(calc(100vw + 500px)); } }

.hero-content { position: relative; z-index: 2; padding: 130px 0 110px; }
.hero-text { position: relative; max-width: min(720px, calc(100% - 480px)); }

/* Hero 金蝶AI灵基宣传图（猴子举牌形象） */
.hero-promo {
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(220px, 28%, 340px);
  z-index: 1;
  animation: heroFloat 7s ease-in-out infinite;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-promo img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 520px;
  display: block;
  border-radius: 22px;
  box-shadow:
    0 30px 70px rgba(4, 20, 45, .55),
    0 0 0 1px rgba(255, 255, 255, .08),
    inset 0 1px 0 rgba(255, 255, 255, .12);
  filter: drop-shadow(0 0 36px rgba(47, 163, 255, .25));
  position: relative;
  z-index: 2;
}
.hero-promo-glow {
  position: absolute;
  inset: 8% -10% -8% -10%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(47, 163, 255, .55), transparent 70%);
  filter: blur(30px);
  z-index: 1;
  border-radius: 50%;
  animation: heroGlow 5s ease-in-out infinite;
}
.hero-promo-tag {
  position: absolute;
  top: -16px;
  left: -18px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--gold), #a9844a);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  padding: 7px 16px 7px 12px;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(200, 161, 90, .45);
  animation: heroTagPulse 2.6s ease-in-out infinite;
}
.hero-promo-tag i {
  width: 6px; height: 6px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 8px #fff;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(-50%); }
  50% { transform: translateY(calc(-50% - 10px)); }
}
@keyframes heroGlow {
  0%, 100% { opacity: .7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}
@keyframes heroTagPulse {
  0%, 100% { box-shadow: 0 10px 24px rgba(200, 161, 90, .45); }
  50% { box-shadow: 0 12px 30px rgba(200, 161, 90, .75); }
}

.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13.5px; letter-spacing: .3em; color: var(--gold-light);
  padding: 8px 18px; border: 1px solid rgba(200, 161, 90, .45);
  border-radius: 999px; background: rgba(11, 43, 82, .35);
  backdrop-filter: blur(6px); margin-bottom: 26px;
}
.hero-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 12px var(--gold); }
.hero-title {
  font-size: clamp(36px, 6vw, 66px); font-weight: 800; line-height: 1.18;
  letter-spacing: .08em; text-shadow: 0 8px 40px rgba(4, 20, 45, .55);
}
.hero-title .dot { color: var(--gold); }
.hero-title em {
  font-style: normal; font-size: clamp(22px, 3vw, 34px); font-weight: 600;
  background: linear-gradient(90deg, #7cc6ff, #d8ecff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin-top: 24px; font-size: clamp(15px, 1.6vw, 17.5px); color: rgba(255, 255, 255, .85); line-height: 2; }
.hero-actions { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  margin-top: 62px; display: flex; flex-wrap: wrap; gap: 0;
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius); backdrop-filter: blur(10px);
  max-width: 860px; overflow: hidden;
}
.stat { flex: 1 1 160px; padding: 22px 26px; text-align: center; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 22%; bottom: 22%; width: 1px; background: rgba(255, 255, 255, .18); }
.stat b {
  display: block; font-size: clamp(28px, 3.4vw, 40px); font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff, #9fd0ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { font-size: 13px; color: rgba(255, 255, 255, .78); letter-spacing: .1em; }

.hero-scroll { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2; }
.mouse {
  display: block; width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .7);
  border-radius: 14px; position: relative;
}
.mouse i {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
  border-radius: 4px; background: #fff; animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ============================================================
   资质信任条
   ============================================================ */
.trust {
  padding: 54px 0; background: var(--white);
  border-bottom: 1px solid var(--line); position: relative; z-index: 3;
}
.trust-title { text-align: center; font-size: 14px; letter-spacing: .28em; color: var(--ink-soft); margin-bottom: 30px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.trust-item {
  display: flex; align-items: center; gap: 14px; padding: 18px 20px;
  background: linear-gradient(180deg, #f6fbff, #eef6fd);
  border: 1px solid #dbeaf7; border-radius: 14px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.trust-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.t-badge { font-size: 20px; color: #2fa3ff; flex-shrink: 0; }
.t-badge.gold { color: var(--gold); }
.trust-item strong { display: block; font-size: 15.5px; color: var(--ink); }
.trust-item em { font-size: 10px; letter-spacing: .18em; color: var(--ink-soft); font-style: normal; }

/* ============================================================
   关于今友
   ============================================================ */
.about { background: linear-gradient(180deg, #f8fcff 0%, #fff 40%); }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.about-text h3 { font-size: 26px; font-weight: 800; margin-bottom: 18px; color: var(--ink); }
.about-text p { color: var(--ink-soft); font-size: 15.5px; margin-bottom: 14px; }
.about-text p strong { color: var(--kd-blue-deep); }
.about-points { margin: 22px 0 30px; display: grid; gap: 12px; }
.about-points li { display: flex; gap: 10px; align-items: center; font-size: 15px; color: var(--ink); }
.about-points span {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, #2fa3ff, var(--kd-blue));
  color: #fff; font-size: 12px; display: grid; place-items: center; font-weight: 700;
}
.about-points b { color: var(--kd-blue); font-size: 17px; letter-spacing: .08em; }

.about-media { position: relative; }
.photo-frame {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md);
  position: relative;
}
.photo-frame img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .8s var(--ease); }
.photo-frame:hover img { transform: scale(1.04); }
.photo-frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 32, 66, .75));
}
.photo-frame figcaption {
  position: absolute; left: 20px; right: 20px; bottom: 16px; z-index: 2;
  color: #fff; font-size: 13.5px; letter-spacing: .1em;
}
.about-card {
  position: absolute; right: -22px; top: -26px; z-index: 3;
  background: linear-gradient(135deg, #0b2b52, #0068b7);
  color: #fff; padding: 20px 26px; border-radius: 16px;
  box-shadow: 0 18px 44px rgba(0, 74, 134, .4);
  animation: floatY 5s ease-in-out infinite;
}
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.ac-num { display: block; font-size: 30px; font-weight: 800; letter-spacing: .12em; }
.about-card p { font-size: 13px; margin-top: 4px; color: rgba(255, 255, 255, .85); }
.about-card em { font-size: 9.5px; letter-spacing: .2em; color: var(--gold-light); font-style: normal; }

/* ============================================================
   业务范围
   ============================================================ */
.products { background: var(--white); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
  position: relative; padding: 34px 26px 26px; border-radius: var(--radius);
  background: linear-gradient(180deg, #fbfdff, #fff);
  border: 1px solid var(--line); overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.product-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--kd-blue), #2fa3ff);
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.product-card:hover::before { transform: scaleX(1); }
.p-icon {
  width: 58px; height: 58px; border-radius: 16px; margin-bottom: 20px;
  background: linear-gradient(135deg, #eaf5ff, #d3eaff); color: var(--kd-blue);
  display: grid; place-items: center;
  transition: transform .4s var(--ease), background .4s, color .4s;
}
.p-icon svg { width: 30px; height: 30px; }
.product-card:hover .p-icon { transform: rotate(-6deg) scale(1.08); background: linear-gradient(135deg, #0079d4, var(--kd-blue-deep)); color: #fff; }
.product-card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; color: var(--ink); }
.product-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.85; }
.p-tag {
  display: inline-block; margin-top: 16px; font-size: 11.5px; letter-spacing: .12em;
  color: var(--kd-blue); background: var(--kd-sky); padding: 4px 12px; border-radius: 999px; font-weight: 600;
}
.partner-line { margin-top: 46px; text-align: center; }
.partner-line > p { font-size: 14px; letter-spacing: .24em; color: var(--ink-soft); margin-bottom: 18px; }
.partner-tags { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.partner-tags span {
  padding: 9px 20px; border-radius: 999px; font-size: 14px; color: var(--ink);
  background: #f4f8fc; border: 1px dashed #c3d8ea; transition: all .3s;
}
.partner-tags span:hover { border-style: solid; border-color: var(--kd-blue); color: var(--kd-blue); background: var(--kd-sky); transform: translateY(-3px); }

/* ============================================================
   服务体系
   ============================================================ */
.service {
  background:
    radial-gradient(900px 500px at 15% 0%, rgba(0, 132, 224, .25), transparent 60%),
    radial-gradient(800px 480px at 90% 100%, rgba(0, 74, 134, .35), transparent 55%),
    linear-gradient(150deg, #0b2b52 0%, #0e3d70 55%, #0a2440 100%);
}
.service-flow {
  display: flex; align-items: stretch; gap: 12px;
  counter-reset: sv;
}
.sv-step {
  flex: 1; background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px; padding: 26px 22px;
  backdrop-filter: blur(8px); position: relative; overflow: hidden;
  transition: transform .4s var(--ease), background .4s;
}
.sv-step:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .1); }
.sv-num {
  font-size: 40px; font-weight: 800; line-height: 1;
  background: linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.08));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sv-body h3 { color: #fff; font-size: 19px; margin: 12px 0 12px; }
.sv-body ul { display: grid; gap: 8px; }
.sv-body li {
  color: rgba(255, 255, 255, .82); font-size: 13.5px; padding-left: 16px; position: relative;
}
.sv-body li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.sv-arrow {
  align-self: center; font-size: 26px; color: var(--gold);
  animation: arrowPulse 1.8s ease-in-out infinite; flex-shrink: 0;
}
@keyframes arrowPulse { 0%, 100% { transform: translateX(0); opacity: .75; } 50% { transform: translateX(6px); opacity: 1; } }
.service-banner {
  margin-top: 42px; display: flex; align-items: center; gap: 14px; justify-content: center;
  color: rgba(255, 255, 255, .88); font-size: 14.5px; text-align: center;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 14px; padding: 18px 26px; backdrop-filter: blur(6px);
}
.service-banner svg { color: var(--gold); flex-shrink: 0; }

/* ============================================================
   资质荣誉
   ============================================================ */
.honor { background: linear-gradient(180deg, #fff, #f2f8fd); }
.cert-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-item {
  border-radius: 14px; overflow: hidden; cursor: zoom-in; position: relative;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm); transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.cert-item:hover { transform: translateY(-7px) scale(1.015); box-shadow: var(--shadow-md); z-index: 2; }
.cert-item img { width: 100%; aspect-ratio: 3/4; object-fit: cover; transition: transform .6s var(--ease); }
.cert-item:hover img { transform: scale(1.06); }
.cert-item figcaption {
  position: absolute; inset: auto 0 0 0; padding: 30px 16px 14px;
  background: linear-gradient(180deg, transparent, rgba(6, 28, 58, .82));
  color: #fff;
}
.cert-item figcaption span { display: block; font-size: 12px; letter-spacing: .2em; color: rgba(255, 255, 255, .75); }
.cert-item figcaption em { font-style: normal; font-size: 15.5px; font-weight: 700; letter-spacing: .06em; }
.cert-item::after {
  content: "＋"; position: absolute; right: 14px; top: 14px; z-index: 2;
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 255, 255, .9); color: var(--kd-blue); font-size: 17px; font-weight: 700;
  opacity: 0; transform: scale(.6); transition: all .35s var(--ease);
}
.cert-item:hover::after { opacity: 1; transform: scale(1); }
.honor-note { text-align: center; margin-top: 26px; font-size: 13px; color: var(--ink-soft); letter-spacing: .08em; }

/* ============================================================
   发展历程
   ============================================================ */
.milestone { background: var(--white); }
.timeline { position: relative; max-width: 860px; margin-inline: auto; padding: 10px 0; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, transparent, var(--kd-blue) 8%, #2fa3ff 92%, transparent);
  transform: translateX(-50%); border-radius: 3px;
}
.tl-item { position: relative; width: 50%; padding: 0 48px 46px; }
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; text-align: left; }
.tl-dot {
  position: absolute; top: 4px; width: 84px; height: 34px; border-radius: 999px;
  background: linear-gradient(135deg, #0079d4, var(--kd-blue-deep)); color: #fff;
  font-size: 13.5px; font-weight: 700; letter-spacing: .06em;
  display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0, 104, 183, .35);
  z-index: 2;
}
.tl-item:nth-child(odd) .tl-dot { right: -42px; }
.tl-item:nth-child(even) .tl-dot { left: -42px; }
.tl-dot.current { background: linear-gradient(135deg, var(--gold), #a9844a); box-shadow: 0 6px 18px rgba(200, 161, 90, .45); animation: glowGold 2.4s ease-in-out infinite; }
@keyframes glowGold { 0%, 100% { box-shadow: 0 6px 18px rgba(200, 161, 90, .4); } 50% { box-shadow: 0 6px 30px rgba(200, 161, 90, .75); } }
.tl-card {
  background: #fbfdff; border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 24px; display: inline-block; text-align: left;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.tl-item:nth-child(odd) .tl-card { box-shadow: -8px 8px 0 rgba(0, 104, 183, .06); }
.tl-item:nth-child(even) .tl-card { box-shadow: 8px 8px 0 rgba(0, 104, 183, .06); }
.tl-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.tl-card h3 { font-size: 17px; color: var(--kd-blue-deep); margin-bottom: 6px; }
.tl-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.85; }
.tl-card.hot { border-color: rgba(200, 161, 90, .5); background: linear-gradient(180deg, #fffdf7, #fdf6e8); }
.tl-card.hot h3 { color: #9a7434; }

/* ============================================================
   合作伙伴
   ============================================================ */
.partners { background: linear-gradient(180deg, #f2f8fd, #fff); }
.partner-logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.plogo {
  display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center;
  padding: 34px 20px 28px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: all .4s var(--ease); position: relative; overflow: hidden;
}
.plogo::before { content: ""; position: absolute; inset: 0; background: radial-gradient(300px 140px at 50% -20%, rgba(0, 132, 224, .14), transparent 70%); opacity: 0; transition: opacity .4s; }
.plogo:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.plogo:hover::before { opacity: 1; }
.pl-mark {
  width: 62px; height: 62px; border-radius: 18px; display: grid; place-items: center;
  color: #fff; font-size: 30px; font-weight: 800; font-family: "KaiTi", "STKaiti", serif;
  box-shadow: 0 10px 24px rgba(11, 43, 82, .25); position: relative; z-index: 1;
}
.pl-mark.k { background: linear-gradient(135deg, #0084e0, #0050a0); }
.pl-mark.cm { background: linear-gradient(135deg, #00b050, #007a37); }
.pl-mark.cib { background: linear-gradient(135deg, #e05e5e, #a83030); }
.pl-mark.zy { background: linear-gradient(135deg, #2fa3ff, #0068b7); }
.plogo b { font-size: 17px; color: var(--ink); position: relative; z-index: 1; }
.plogo em { font-size: 9.5px; letter-spacing: .2em; color: var(--ink-soft); font-style: normal; position: relative; z-index: 1; }
.plogo i { font-style: normal; font-size: 12px; color: var(--kd-blue); background: var(--kd-sky); padding: 3px 12px; border-radius: 999px; position: relative; z-index: 1; }

/* ============================================================
   CTA 联系区块
   ============================================================ */
.cta { padding: 0 0 90px; background: linear-gradient(180deg, #fff 0%, #f2f8fd 100%); }
.cta-box {
  display: flex; align-items: center; justify-content: space-between; gap: 30px;
  background:
    radial-gradient(700px 300px at 88% 10%, rgba(47, 163, 255, .35), transparent 60%),
    linear-gradient(120deg, #0b2b52, #0068b7);
  border-radius: 24px; padding: 52px 56px; color: #fff;
  box-shadow: 0 24px 60px rgba(0, 74, 134, .35); position: relative; overflow: hidden;
}
.cta-box::after {
  content: ""; position: absolute; right: -70px; top: -70px; width: 260px; height: 260px;
  border-radius: 50%; border: 1.5px solid rgba(255, 255, 255, .14);
  box-shadow: 0 0 0 34px rgba(255, 255, 255, .05), 0 0 0 68px rgba(255, 255, 255, .03);
}
.cta-info { position: relative; z-index: 1; }
.cta-info h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; letter-spacing: .05em; }
.cta-info p { margin: 12px 0 26px; color: rgba(255, 255, 255, .82); font-size: 15px; }
.cta-contacts { display: flex; gap: 16px; flex-wrap: wrap; }
.cta-tel, .cta-mobile {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 24px; border-radius: 999px; font-size: 16px; font-weight: 700;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.cta-tel { background: #fff; color: var(--kd-blue-deep); }
.cta-mobile { border: 1.5px solid rgba(255, 255, 255, .6); color: #fff; }
.cta-tel:hover, .cta-mobile:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(4, 20, 45, .35); }
.cta-badge {
  position: relative; z-index: 1; text-align: center; flex-shrink: 0;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 18px; padding: 22px 30px; backdrop-filter: blur(8px);
}
.cta-badge img { height: 34px; margin: 0 auto 12px; filter: brightness(1.1); }
.cta-badge p { font-size: 14.5px; color: #fff; line-height: 1.7; }
.cta-badge em { font-style: normal; font-size: 12px; color: var(--gold-light); letter-spacing: .1em; }

/* ============================================================
   免费试用/咨询表单
   ============================================================ */
.trial-form {
  padding: 90px 0;
  background: linear-gradient(180deg, #f2f8fd 0%, #ffffff 100%);
}
.trial-form-subtitle {
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
  letter-spacing: .08em;
  margin-bottom: 28px;
}
.trial-form-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: start;
}
.trial-form-left,
.trial-form-right {
  background: #fff;
  border: 1px solid #e8edf3;
  border-radius: 20px;
  padding: 34px;
  box-shadow: 0 14px 42px rgba(11, 43, 82, .06);
}
.trial-form-left h3,
.trial-form-right h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 22px;
  letter-spacing: .04em;
}
.trial-contact-list {
  display: grid;
  gap: 18px;
  margin-bottom: 30px;
}
.trial-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.trial-contact-list .tfl-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #eaf5ff, #d3eaff);
  color: var(--kd-blue);
  display: grid;
  place-items: center;
  font-size: 18px;
  flex-shrink: 0;
}
.trial-contact-list em {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  font-style: normal;
  margin-bottom: 3px;
}
.trial-contact-list strong {
  font-size: 15px;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.5;
}
.trial-promise {
  background: linear-gradient(180deg, #f8fbff, #eef6fd);
  border: 1px solid #e0eef9;
  border-radius: 16px;
  padding: 22px 24px;
}
.trial-promise h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}
.trial-promise ul {
  display: grid;
  gap: 10px;
}
.trial-promise li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}
.trial-promise .tp-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2fa3ff, var(--kd-blue));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.trial-form-body {
  display: grid;
  gap: 18px;
}
.tf-group {
  display: grid;
  gap: 7px;
}
.tf-group label {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
}
.tf-group label i {
  color: #e74c3c;
  font-style: normal;
  margin-left: 2px;
}
.tf-group input,
.tf-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid #e0e6ee;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color .25s, box-shadow .25s;
  font-family: inherit;
  resize: vertical;
}
.tf-group input::placeholder,
.tf-group textarea::placeholder {
  color: #a8b4c4;
}
.tf-group input:focus,
.tf-group textarea:focus {
  outline: none;
  border-color: var(--kd-blue);
  box-shadow: 0 0 0 3px rgba(0, 104, 183, .1);
}
.tf-submit {
  width: 100%;
  padding: 14px 24px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0052D9, #003DB8);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 82, 217, .25);
  transition: all .25s;
  margin-top: 6px;
}
.tf-submit:hover {
  background: #003DB8;
  box-shadow: 0 12px 30px rgba(0, 82, 217, .35);
  transform: translateY(-2px);
}

@media (max-width: 860px) {
  .trial-form-grid { grid-template-columns: 1fr; }
  .trial-form { padding: 70px 0; }
  .trial-form-left, .trial-form-right { padding: 26px; }
}

@media (max-width: 640px) {
  .trial-form-left, .trial-form-right { padding: 22px; border-radius: 16px; }
  .trial-form-right h3, .trial-form-left h3 { font-size: 17px; }
  .trial-contact-list strong { font-size: 14px; }
}
.site-footer { background: #0a1f3a; color: rgba(255, 255, 255, .72); }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px;
  padding: 64px 0 48px;
}
.f-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.f-logo .brand-mark { width: 46px; height: 46px; font-size: 25px; }
.f-logo strong { display: block; color: #fff; font-size: 17px; letter-spacing: .06em; }
.f-logo em { font-style: normal; font-size: 9px; letter-spacing: .14em; color: rgba(255, 255, 255, .5); }
.f-brand > p { font-size: 13.5px; line-height: 2; }
.f-slogan { margin-top: 14px; color: var(--gold-light); letter-spacing: .12em; font-size: 13px; }
.f-col h4 {
  color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: .1em;
  position: relative; padding-bottom: 10px;
}
.f-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2.5px; background: var(--gold); border-radius: 3px; }
.f-col a { display: block; font-size: 13.5px; padding: 5px 0; transition: color .25s, transform .25s; }
.f-col a:hover { color: #7cc6ff; transform: translateX(4px); }
.f-contact { font-size: 13.5px; padding: 5px 0; line-height: 1.8; }
.f-contact b { display: inline-block; color: rgba(255, 255, 255, .5); font-weight: 500; margin-right: 8px; min-width: 60px; }
.footer-bar { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; }
.footer-bar .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-bar p { font-size: 12px; color: rgba(255, 255, 255, .45); letter-spacing: .04em; }
.footer-bar-sub { letter-spacing: .1em; }

/* ============================================================
   回到顶部 & 灯箱
   ============================================================ */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 900;
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, #0079d4, var(--kd-blue-deep)); color: #fff;
  font-size: 20px; box-shadow: 0 10px 26px rgba(0, 74, 134, .4);
  opacity: 0; pointer-events: none; transform: translateY(16px);
  transition: all .35s var(--ease);
}
.back-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }

.lightbox {
  position: fixed; inset: 0; z-index: 1200; display: none;
  align-items: center; justify-content: center; flex-direction: column; gap: 14px;
  background: rgba(6, 20, 42, .92); backdrop-filter: blur(8px); padding: 30px;
}
.lightbox.show { display: flex; animation: lbIn .3s var(--ease); }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lightbox img { max-width: min(900px, 92vw); max-height: 80vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0, 0, 0, .55); }
.lightbox-cap { color: rgba(255, 255, 255, .85); font-size: 14px; letter-spacing: .1em; }
.lightbox-close {
  position: absolute; right: 26px; top: 22px; font-size: 34px; color: #fff;
  width: 46px; height: 46px; border-radius: 50%; background: rgba(255, 255, 255, .12);
  display: grid; place-items: center; line-height: 1; transition: background .3s, transform .3s;
}
.lightbox-close:hover { background: rgba(255, 255, 255, .25); transform: rotate(90deg); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-gallery { grid-template-columns: repeat(2, 1fr); }
  .partner-logo-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-card { right: 10px; top: -20px; }
  .service-flow { flex-direction: column; }
  .sv-arrow { transform: rotate(90deg); align-self: center; }
  .sv-arrow:hover { transform: rotate(90deg); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-promo { width: 260px; right: -10px; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed; top: 74px; left: 0; right: 0; z-index: 999;
    flex-direction: column; background: #fff; padding: 18px 6% 26px;
    border-bottom: 1px solid var(--line); box-shadow: 0 24px 40px rgba(11, 43, 82, .12);
    transform: translateY(-16px); opacity: 0; pointer-events: none;
    transition: all .35s var(--ease);
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 12px 6px; font-size: 16px; border-bottom: 1px solid #f0f5fa; border-radius: 0; }
  .main-nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .phone-link { display: none; }
  .trial-link { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 68px 0; }
  .hero-content { padding: 110px 0 90px; }
  .stat { flex: 1 1 50%; }
  .stat:nth-child(3)::before { display: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .cert-gallery, .partner-logo-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 14px; }
  .tl-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 40px 52px; }
  .tl-item:nth-child(odd) .tl-dot, .tl-item:nth-child(even) .tl-dot { left: -6px; right: auto; top: 0; }
  .tl-item:nth-child(odd) .tl-card { box-shadow: none; }
  .cta-box { flex-direction: column; padding: 38px 26px; text-align: center; }
  .cta-contacts { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; padding: 48px 0 36px; }
  .footer-bar .container { justify-content: center; text-align: center; }
  .about-card { position: static; margin-top: 18px; text-align: center; }
  .hero-stats { max-width: 100%; }
  /* 移动端：金蝶AI灵基宣传图改为静态居中展示 */
  .hero-promo {
    position: relative;
    right: auto; top: auto; transform: none;
    width: min(260px, 72%);
    margin: 38px auto 0;
    animation: none;
  }
  .hero-promo img { max-height: 420px; }
  .hero-promo-glow { display: none; }
}