/* ==========================================================
   麒麟快打 · 企业官网 样式表
   ========================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  /* 品牌色 */
  --brand: #ff6a13;
  --brand-600: #f55300;
  --brand-100: #fff1e8;
  --brand-050: #fff8f3;

  /* 辅助色 */
  --blue: #1668ff;
  --blue-100: #eaf1ff;
  --green: #10b981;
  --gold: #f5a623;

  /* 文字 */
  --ink: #0e1b2e;
  --ink-2: #3c4a5f;
  --ink-3: #6b7a90;
  --ink-4: #9aa7b8;

  /* 背景与线条 */
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --bg-deep: #0b1a30;
  --line: #e6eaf2;
  --line-2: #f0f3f8;

  /* 圆角与阴影 */
  --r-s: 8px;
  --r-m: 12px;
  --r-l: 18px;
  --r-xl: 24px;
  --shadow-1: 0 2px 12px rgba(14, 27, 46, .06);
  --shadow-2: 0 8px 28px rgba(14, 27, 46, .09);
  --shadow-3: 0 16px 48px rgba(14, 27, 46, .12);
  --shadow-brand: 0 10px 26px rgba(255, 106, 19, .26);

  /* 其它 */
  --nav-h: 68px;
  --max: 1200px;
  --ease: cubic-bezier(.22, .68, .35, 1);
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--brand); color: #fff; }

/* ---------- 3. 布局容器 ---------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 960px; }

/* ---------- 4. 通用文字 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em;
  color: var(--brand); text-transform: uppercase;
}
.eyebrow::before {
  content: ""; width: 18px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), #ffb35c);
}

.sec-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800; letter-spacing: -.02em; line-height: 1.3; margin: 14px 0 12px;
}
.sec-sub {
  font-size: 16px; color: var(--ink-3); max-width: 720px; line-height: 1.9;
}
.text-brand { color: var(--brand); }
.center { text-align: center; }
.center .sec-sub { margin: 0 auto; }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 26px; border: 0; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: all .25s var(--ease); white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #ff7a26, var(--brand-600));
  color: #fff; box-shadow: var(--shadow-brand);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(255, 106, 19, .34); color: #fff; }

.btn-ghost {
  background: #fff; color: var(--ink); border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }

.btn-plain {
  background: rgba(255, 255, 255, .12); color: #fff;
  border: 1px solid rgba(255, 255, 255, .35); backdrop-filter: blur(4px);
}
.btn-plain:hover { background: rgba(255, 255, 255, .22); color: #fff; }

.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-lg { height: 54px; padding: 0 34px; font-size: 16px; }

.link-more {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--brand); font-weight: 600; font-size: 14px;
}
.link-more::after { content: "→"; transition: transform .25s var(--ease); }
.link-more:hover::after { transform: translateX(4px); }

/* ---------- 6. 顶部公告条 ---------- */
.topbar {
  background: linear-gradient(90deg, #0b1a30, #17355c);
  color: #cfdbe9; font-size: 13px; height: 36px;
  display: flex; align-items: center; overflow: hidden;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar-marquee { flex: 1; overflow: hidden; white-space: nowrap; }
.topbar-marquee span { display: inline-block; padding-left: 100%; animation: marquee 26s linear infinite; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }
.topbar a { color: #ffc38a; }
.topbar-links { display: flex; gap: 16px; flex-shrink: 0; }

/* ---------- 7. 导航栏 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  background: rgba(255, 255, 255, .92); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent; transition: all .3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(14, 27, 46, .05); }
.nav .wrap { height: 100%; display: flex; align-items: center; gap: 28px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, #ff8a34, var(--brand-600));
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 17px;
  box-shadow: 0 6px 16px rgba(255, 106, 19, .3);
  letter-spacing: -.04em;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn { font-size: 18px; font-weight: 800; letter-spacing: .02em; }
.logo-en { font-size: 10px; color: var(--ink-4); letter-spacing: .16em; text-transform: uppercase; }

.menu { display: flex; align-items: center; gap: 4px; flex: 1; }
.menu > li { position: relative; }
.menu > li > a {
  display: flex; align-items: center; gap: 4px;
  height: var(--nav-h); padding: 0 14px; font-size: 15px; font-weight: 500; color: var(--ink-2);
}
.menu > li > a:hover, .menu > li > a.active { color: var(--brand); }
.menu > li > a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 12px;
  height: 2px; border-radius: 2px; background: var(--brand);
}

/* 下拉菜单 */
.has-sub > a::before {
  content: ""; width: 0; height: 0; margin-left: 2px;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid currentColor; opacity: .55; transition: transform .25s var(--ease);
}
.has-sub:hover > a::before { transform: rotate(180deg); }
.submenu {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  min-width: 208px; padding: 8px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-m);
  box-shadow: var(--shadow-3); opacity: 0; visibility: hidden;
  transition: all .22s var(--ease);
}
.has-sub:hover .submenu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.submenu a {
  display: block; padding: 9px 14px; border-radius: var(--r-s);
  font-size: 14px; color: var(--ink-2); white-space: nowrap;
}
.submenu a:hover { background: var(--brand-050); color: var(--brand); }
.submenu a span { display: block; font-size: 12px; color: var(--ink-4); }

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.hamburger { display: none; width: 40px; height: 40px; border: 0; background: none; cursor: pointer; }
.hamburger i { display: block; width: 22px; height: 2px; margin: 4px auto; background: var(--ink); border-radius: 2px; transition: .25s var(--ease); }
.hamburger.on i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.on i:nth-child(2) { opacity: 0; }
.hamburger.on i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 99;
  background: #fff; padding: 12px 24px 40px; overflow-y: auto;
  transform: translateX(100%); transition: transform .32s var(--ease);
}
.drawer.on { transform: translateX(0); }
.drawer li { border-bottom: 1px solid var(--line-2); }
.drawer li > a { display: block; padding: 14px 0; font-size: 16px; font-weight: 500; }
.drawer .d-sub { padding: 0 0 12px 14px; display: none; }
.drawer .d-sub.on { display: block; }
.drawer .d-sub a { display: block; padding: 8px 0; font-size: 14px; color: var(--ink-3); }
.drawer .d-cta { margin-top: 24px; display: flex; gap: 10px; }
.drawer .d-cta .btn { flex: 1; }

/* ---------- 8. 区块通用 ---------- */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }

/* ---------- 9. Hero ---------- */
.hero {
  position: relative; overflow: hidden; padding: 84px 0 96px;
  background:
    radial-gradient(1000px 460px at 78% -8%, rgba(22, 104, 255, .13), transparent 62%),
    radial-gradient(760px 420px at 8% 6%, rgba(255, 106, 19, .14), transparent 60%),
    linear-gradient(180deg, #fbfcff 0%, #f4f7fd 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(14, 27, 46, .035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(14, 27, 46, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 20%, transparent 100%);
}
.hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px;
  border-radius: 999px; background: #fff; border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2); box-shadow: var(--shadow-1); margin-bottom: 22px;
}
.hero-tag b { color: var(--brand); }
.dot-pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 0 rgba(255, 106, 19, .6); animation: pulse 1.8s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(255, 106, 19, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 106, 19, 0); } }

.hero h1 {
  font-size: clamp(32px, 4.6vw, 54px); font-weight: 900; line-height: 1.18;
  letter-spacing: -.03em; margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal; position: relative; color: var(--brand);
  background: linear-gradient(120deg, #ff8a34, #f55300);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-desc { font-size: 17px; color: var(--ink-2); line-height: 1.95; max-width: 580px; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 38px; }

.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; padding-top: 28px; border-top: 1px dashed var(--line); }
.hero-stats .num { font-size: 28px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.hero-stats .num i { font-style: normal; font-size: 15px; font-weight: 600; color: var(--brand); margin-left: 2px; }
.hero-stats .lbl { font-size: 13px; color: var(--ink-3); }

/* Hero 右侧：控制台卡片 */
.hero-visual { position: relative; }
.mock {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl);
  box-shadow: var(--shadow-3); overflow: hidden;
}
.mock-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: linear-gradient(90deg, #0e1b2e, #1c3a63); color: #d7e3f2;
}
.mock-bar .m-dot { width: 10px; height: 10px; border-radius: 50%; background: #40587a; }
.mock-bar .m-title { font-size: 12px; margin-left: 6px; letter-spacing: .04em; }
.mock-bar .m-badge { margin-left: auto; font-size: 11px; background: rgba(255, 106, 19, .9); color: #fff; padding: 2px 8px; border-radius: 999px; }
.mock-body { padding: 16px; }
.mock-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.mock-tabs span {
  font-size: 12px; padding: 5px 12px; border-radius: 999px;
  background: var(--bg-soft); color: var(--ink-3); border: 1px solid var(--line-2);
}
.mock-tabs span.on { background: var(--brand-100); color: var(--brand-600); border-color: #ffd8bf; font-weight: 600; }
.mock-row {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border: 1px solid var(--line-2); border-radius: var(--r-m); margin-bottom: 8px; background: #fff;
}
.mock-row .plat { width: 46px; font-size: 11px; font-weight: 700; text-align: center; padding: 3px 0; border-radius: 5px; flex-shrink: 0; }
.plat-tb { background: #fff0e4; color: #ff5000; }
.plat-pdd { background: #ffe8ec; color: #e22e4d; }
.plat-dy { background: #eaf1ff; color: #1668ff; }
.plat-jd { background: #ffeaea; color: #d92c2c; }
.plat-ks { background: #fff4e0; color: #f08a00; }
.mock-row .oid { font-size: 12px; color: var(--ink-2); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-row .st { font-size: 11px; padding: 3px 9px; border-radius: 999px; background: #eafaf3; color: #0f9d63; font-weight: 600; }
.mock-row .st.wait { background: var(--bg-soft); color: var(--ink-3); }
.mock-foot { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: var(--bg-soft); border-top: 1px solid var(--line-2); font-size: 12px; color: var(--ink-3); }
.mock-foot b { color: var(--brand); font-size: 15px; }

.float-card {
  position: absolute; display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 10px 14px; box-shadow: var(--shadow-2); font-size: 13px; font-weight: 600;
  animation: float 4.5s ease-in-out infinite;
}
.float-card i { font-style: normal; font-size: 18px; }
.fc-1 { left: -28px; top: 22%; }
.fc-2 { right: -22px; bottom: 16%; animation-delay: 1.4s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ---------- 10. 平台墙 ---------- */
.platforms { padding: 44px 0; background: #fff; border-bottom: 1px solid var(--line-2); }
.plat-head { text-align: center; font-size: 15px; color: var(--ink-3); margin-bottom: 24px; }
.plat-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 10px; }
.plat-item {
  height: 54px; display: grid; place-items: center; border-radius: var(--r-m);
  background: var(--bg-soft); border: 1px solid var(--line-2);
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  transition: all .25s var(--ease);
}
.plat-item:hover { background: #fff; border-color: var(--brand); color: var(--brand); transform: translateY(-3px); box-shadow: var(--shadow-2); }

/* ---------- 11. 痛点卡 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain-card {
  padding: 28px 24px; border-radius: var(--r-l); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-1);
  transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.pain-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: #ffd8bf; }
.pain-ico {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, #fff1e8, #ffe0cc); font-size: 22px; margin-bottom: 16px;
}
.pain-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.pain-card p { font-size: 14px; color: var(--ink-3); line-height: 1.8; }
.pain-no { position: absolute; right: 18px; top: 14px; font-size: 34px; font-weight: 900; color: var(--line-2); }

/* ---------- 12. 解决方案步骤 ---------- */
.sol-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sol-item {
  position: relative; padding: 30px 26px; border-radius: var(--r-l); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-1); transition: all .3s var(--ease);
}
.sol-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.sol-item::before {
  content: ""; position: absolute; left: 0; top: 26px; bottom: 26px; width: 3px;
  border-radius: 3px; background: linear-gradient(180deg, var(--brand), #ffb35c);
  opacity: 0; transition: opacity .3s var(--ease);
}
.sol-item:hover::before { opacity: 1; }
.sol-no {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--brand-100); color: var(--brand-600); font-weight: 800; font-size: 15px; margin-bottom: 14px;
}
.sol-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.sol-item p { font-size: 14px; color: var(--ink-3); line-height: 1.85; }
.sol-item ul { margin-top: 10px; }
.sol-item ul li { position: relative; padding-left: 16px; font-size: 14px; color: var(--ink-2); margin-bottom: 5px; }
.sol-item ul li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }

/* ---------- 13. 功能卡 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card {
  padding: 30px 26px; border-radius: var(--r-l); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-1);
  transition: all .3s var(--ease); overflow: hidden; position: relative;
}
.feat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: #dbe6ff; }
.feat-card:hover .feat-ico { background: linear-gradient(135deg, var(--brand), #ff9440); color: #fff; }
.feat-ico {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center;
  background: var(--bg-soft); font-size: 24px; margin-bottom: 16px;
  transition: all .3s var(--ease);
}
.feat-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feat-card p { font-size: 14px; color: var(--ink-3); line-height: 1.85; }
.feat-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.feat-tags span { font-size: 12px; padding: 3px 10px; border-radius: 6px; background: var(--bg-soft); color: var(--ink-3); }

/* ---------- 14. 场景卡 ---------- */
.tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 34px; flex-wrap: wrap; }
.tab {
  height: 40px; padding: 0 22px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: var(--ink-2); font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all .25s var(--ease);
}
.tab:hover { border-color: var(--brand); color: var(--brand); }
.tab.on { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: var(--shadow-brand); }

.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.scene-card {
  border-radius: var(--r-l); background: #fff; border: 1px solid var(--line);
  overflow: hidden; transition: all .3s var(--ease); display: flex; flex-direction: column;
}
.scene-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: #ffd8bf; }
.scene-top { padding: 22px 22px 18px; border-bottom: 1px dashed var(--line); }
.scene-top h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.scene-top h3 i { font-style: normal; font-size: 19px; }
.scene-top .chal { font-size: 13px; color: var(--ink-4); }
.scene-top .chal b { color: var(--ink-3); font-weight: 500; }
.scene-bot { padding: 18px 22px 22px; background: linear-gradient(180deg, #fff, var(--brand-050)); flex: 1; display: flex; flex-direction: column; }
.scene-bot .lab { font-size: 12px; color: var(--brand); font-weight: 700; margin-bottom: 6px; }
.scene-bot p { font-size: 14px; font-weight: 600; color: var(--ink); line-height: 1.7; margin-bottom: 14px; }
.scene-bot .acts { display: flex; gap: 8px; margin-top: auto; }
.scene-bot .acts a { flex: 1; text-align: center; }

/* ---------- 15. 优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-card {
  padding: 34px 28px; border-radius: var(--r-l); color: #fff; position: relative; overflow: hidden;
  min-height: 230px; display: flex; flex-direction: column;
}
.adv-card::after {
  content: ""; position: absolute; right: -40px; bottom: -40px; width: 150px; height: 150px;
  border-radius: 50%; background: rgba(255, 255, 255, .08);
}
.adv-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.adv-card h3 i { font-style: normal; font-size: 24px; }
.adv-card .cap { font-size: 13px; opacity: .75; margin-bottom: 18px; }
.adv-card ul { position: relative; z-index: 2; }
.adv-card ul li { font-size: 14px; opacity: .95; margin-bottom: 9px; padding-left: 16px; position: relative; line-height: 1.7; }
.adv-card ul li::before { content: "✓"; position: absolute; left: 0; font-size: 12px; }
.adv-1 { background: linear-gradient(135deg, #ff8a34, #ef4b00); }
.adv-2 { background: linear-gradient(135deg, #2b7bff, #1246c9); }
.adv-3 { background: linear-gradient(135deg, #0e1b2e, #2c4870); }

.adv-rows { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 20px; }
.adv-mini { padding: 26px 22px; border-radius: var(--r-l); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-1); text-align: center; }
.adv-mini .ic { font-size: 28px; margin-bottom: 10px; }
.adv-mini h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.adv-mini p { font-size: 13px; color: var(--ink-3); line-height: 1.75; }

/* ---------- 16. 数据统计 ---------- */
.stats {
  background: linear-gradient(120deg, #0b1a30 0%, #16345c 55%, #0e2440 100%);
  color: #fff; padding: 72px 0; position: relative; overflow: hidden;
}
.stats::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 20% 0%, rgba(255, 106, 19, .25), transparent 70%);
}
.stats .wrap { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; text-align: center; }
.stat-item .num { font-size: clamp(28px, 3.4vw, 40px); font-weight: 900; letter-spacing: -.02em; line-height: 1.2; }
.stat-item .num i { font-style: normal; font-size: .5em; margin-left: 2px; opacity: .85; }
.stat-item .lbl { font-size: 13px; color: #a9bcd4; margin-top: 6px; }
.stats-note { text-align: center; font-size: 12px; color: #7f93ad; margin-top: 26px; }

/* ---------- 17. 客户案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  border-radius: var(--r-l); background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-1); overflow: hidden; transition: all .3s var(--ease);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.case-head { padding: 24px 24px 18px; border-bottom: 1px solid var(--line-2); }
.case-head .tag { font-size: 12px; color: var(--brand); font-weight: 700; }
.case-head h3 { font-size: 18px; font-weight: 700; margin: 4px 0 6px; }
.case-head p { font-size: 13px; color: var(--ink-3); }
.case-body { padding: 20px 24px 24px; }
.case-box { border-radius: var(--r-m); padding: 14px 16px; font-size: 14px; line-height: 1.7; }
.case-before { background: #f6f7f9; color: var(--ink-3); }
.case-after { background: var(--brand-050); color: var(--ink); border: 1px solid #ffdcc7; }
.case-box .lab { font-size: 12px; font-weight: 700; margin-bottom: 4px; display: block; }
.case-before .lab { color: var(--ink-4); }
.case-after .lab { color: var(--brand-600); }
.case-vs { text-align: center; font-size: 12px; font-weight: 800; color: var(--brand); padding: 10px 0; letter-spacing: .1em; }
.case-metrics { display: flex; gap: 16px; padding: 16px 24px; background: var(--bg-soft); border-top: 1px solid var(--line-2); }
.case-metrics div { flex: 1; }
.case-metrics b { display: block; font-size: 20px; font-weight: 800; color: var(--brand-600); }
.case-metrics span { font-size: 12px; color: var(--ink-3); }

/* ---------- 18. 流程步骤 ---------- */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.flow-step { text-align: center; position: relative; }
.flow-step .circle {
  width: 62px; height: 62px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; font-size: 20px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #ff8a34, #f55300); box-shadow: var(--shadow-brand);
}
.flow-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.flow-step p { font-size: 13px; color: var(--ink-3); line-height: 1.75; }
.flow-step:not(:last-child)::after {
  content: ""; position: absolute; top: 31px; left: calc(50% + 40px); right: calc(-50% + 40px);
  height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}

/* ---------- 19. 对比表 ---------- */
.cmp-table { width: 100%; border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-1); }
.cmp-table th, .cmp-table td { padding: 15px 18px; text-align: center; font-size: 14px; border-bottom: 1px solid var(--line-2); }
.cmp-table thead th { background: var(--bg-soft); font-weight: 700; font-size: 15px; }
.cmp-table thead th.hl { background: var(--brand); color: #fff; }
.cmp-table tbody td:first-child { text-align: left; font-weight: 600; color: var(--ink); }
.cmp-table tbody td.hl { background: var(--brand-050); color: var(--brand-600); font-weight: 600; }
.cmp-table tbody tr:last-child td { border-bottom: 0; }

/* ---------- 20. CTA ---------- */
.cta {
  position: relative; overflow: hidden; padding: 76px 0; text-align: center;
  background: linear-gradient(120deg, #ff8a34 0%, #f55300 60%, #d94a00 100%); color: #fff;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px 260px at 30% 20%, rgba(255, 255, 255, .22), transparent 70%);
}
.cta .wrap { position: relative; z-index: 2; }
.cta h2 { font-size: clamp(24px, 3.2vw, 36px); font-weight: 800; margin-bottom: 12px; letter-spacing: -.02em; }
.cta p { font-size: 16px; opacity: .92; margin-bottom: 30px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-form { display: flex; gap: 10px; justify-content: center; max-width: 520px; margin: 30px auto 0; flex-wrap: wrap; }
.cta-form input {
  flex: 1; min-width: 220px; height: 50px; padding: 0 18px; border: 0; border-radius: 999px;
  font-size: 15px; color: var(--ink);
}
.cta-form .btn { background: #0e1b2e; color: #fff; box-shadow: 0 10px 26px rgba(14, 27, 46, .3); }
.cta-form .btn:hover { background: #16304f; color: #fff; }

/* ---------- 21. 页脚 ---------- */
.footer { background: var(--bg-deep); color: #93a6bd; padding: 62px 0 0; font-size: 14px; }
.foot-top { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 36px; padding-bottom: 44px; }
.foot-brand .logo { margin-bottom: 16px; }
.foot-brand .logo-cn { color: #fff; }
.foot-brand p { line-height: 1.9; margin-bottom: 18px; max-width: 320px; }
.foot-contact div { margin-bottom: 8px; display: flex; gap: 8px; }
.foot-contact b { color: #fff; font-weight: 600; }
.foot-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.foot-col a { display: block; padding: 5px 0; font-size: 13.5px; }
.foot-col a:hover { color: var(--brand); }
.qr { display: flex; gap: 16px; margin-top: 18px; }
.qr-item { text-align: center; }
.qr-box {
  width: 88px; height: 88px; border-radius: var(--r-m); background: #fff; padding: 6px;
  display: grid; place-items: center; overflow: hidden;
}
.qr-box svg { width: 100%; height: 100%; }
.qr-item span { display: block; font-size: 12px; margin-top: 6px; color: #7f93ad; }

.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0 26px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px 24px; flex-wrap: wrap; font-size: 13px; color: #6d8099;
}
.foot-bottom a { color: #7f93ad; }
.foot-bottom a:hover { color: var(--brand); }
.fb-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- 22. 面包屑 & 内页头 ---------- */
.page-head {
  position: relative; overflow: hidden; padding: 62px 0 68px; text-align: center; color: #fff;
  background: linear-gradient(120deg, #0b1a30 0%, #17355c 60%, #0e2440 100%);
}
.page-head::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(620px 300px at 50% -10%, rgba(255, 106, 19, .3), transparent 70%);
}
.page-head .wrap { position: relative; z-index: 2; }
.page-head h1 { font-size: clamp(26px, 3.6vw, 42px); font-weight: 800; letter-spacing: -.02em; margin: 10px 0 12px; }
.page-head p { font-size: 16px; color: #b9c9dd; max-width: 720px; margin: 0 auto; line-height: 1.9; }
.crumb { font-size: 13px; color: #8fa3bd; }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 6px; opacity: .6; }

/* ---------- 23. 内容排版 ---------- */
.prose h2 { font-size: 26px; font-weight: 800; margin: 42px 0 14px; }
.prose h3 { font-size: 19px; font-weight: 700; margin: 26px 0 10px; }
.prose p { color: var(--ink-2); line-height: 1.95; margin-bottom: 14px; }
.prose ul { margin: 12px 0 18px; }
.prose ul li { padding-left: 20px; position: relative; color: var(--ink-2); margin-bottom: 8px; line-height: 1.85; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }

/* 时间线 */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 7px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
}
.tl-item .yr { font-size: 15px; font-weight: 800; color: var(--brand); }
.tl-item p { font-size: 14px; color: var(--ink-3); }

/* 表单 */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); box-shadow: var(--shadow-2); padding: 34px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field label i { color: var(--brand); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; height: 46px; padding: 0 14px; border: 1px solid var(--line);
  border-radius: var(--r-m); background: #fff; color: var(--ink); transition: all .2s var(--ease);
}
.field textarea { height: 110px; padding: 12px 14px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(255, 106, 19, .12); }
.field .hint { font-size: 12px; color: var(--ink-4); margin-top: 6px; }
.form-note { font-size: 12px; color: var(--ink-4); margin-top: 12px; text-align: center; }
.form-ok {
  display: none; margin-top: 14px; padding: 12px 16px; border-radius: var(--r-m);
  background: #eafaf3; color: #0f9d63; font-size: 14px; font-weight: 600;
}
.form-ok.on { display: block; }

/* 联系信息块 */
.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.info-card { padding: 24px; border-radius: var(--r-l); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-1); text-align: center; }
.info-card .ic { font-size: 26px; margin-bottom: 10px; }
.info-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.info-card p { font-size: 13.5px; color: var(--ink-3); }
.info-card b { color: var(--brand-600); font-size: 17px; }

/* 左右分栏（关于我们 / 联系我们等内页） */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.split-even { grid-template-columns: 1fr 1fr; }
.split-vcenter { align-items: center; }

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: var(--r-m); margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-q { padding: 16px 20px; font-weight: 600; font-size: 15px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-q::after { content: "+"; color: var(--brand); font-size: 20px; font-weight: 700; transition: transform .25s var(--ease); }
.faq-item.on .faq-q::after { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 20px 18px; font-size: 14px; color: var(--ink-3); line-height: 1.9; }
.faq-item.on .faq-a { display: block; }

/* ---------- 24. 回到顶部 & 悬浮条 ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 26px; z-index: 90; width: 44px; height: 44px;
  border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  box-shadow: var(--shadow-2); cursor: pointer; display: grid; place-items: center; font-size: 16px;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease);
}
.to-top.on { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ---------- 25. 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 26. 响应式 ---------- */
@media (max-width: 1100px) {
  .plat-grid { grid-template-columns: repeat(6, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 26px 16px; }
  .foot-top { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 980px) {
  .menu { display: none; }
  .hamburger { display: block; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 56px 0 64px; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .float-card { display: none; }
  .pain-grid, .sol-list, .feat-grid, .adv-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 18px; }
  .flow-step:not(:last-child)::after { display: none; }
  .adv-rows, .info-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .split, .split-even { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .wrap { padding: 0 16px; }
  .topbar { height: 32px; font-size: 12px; }
  .topbar-links { display: none; }
  .hero h1 { font-size: 30px; }
  .hero-desc { font-size: 15px; }
  .hero-btns .btn { flex: 1; min-width: 140px; }
  .hero-stats { gap: 22px; }
  .hero-stats .num { font-size: 22px; }
  .plat-grid { grid-template-columns: repeat(4, 1fr); }
  .pain-grid, .sol-list, .feat-grid, .adv-grid, .case-grid,
  .scene-grid, .adv-rows, .info-grid, .flow-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 32px; }
  .foot-top { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 22px; }
  .cmp-table { font-size: 13px; }
  .cmp-table th, .cmp-table td { padding: 11px 10px; }
  .cta-form input { min-width: 100%; }
  .page-head { padding: 44px 0 48px; }
  .foot-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
  .fb-links { gap: 16px; }
}

/* 打印友好 */
@media print {
  .nav, .topbar, .to-top, .drawer, .cta { display: none !important; }
}