/* ============================================================
   京鲁智源 · 专科分级诊疗体系AI赋能平台官网
   品牌色: #005098 → #00A098
   ============================================================ */
:root {
  --brand-1: #005098;
  --brand-2: #00A098;
  --brand-grad: linear-gradient(135deg, #005098 0%, #00A098 100%);
  --brand-deep: #003F78;
  --ink: #10313F;
  --ink-2: #415B68;
  --ink-3: #6B828F;
  --bg: #FFFFFF;
  --bg-alt: #F4F9FC;
  --line: #E3EEF4;
  --dark: #072A38;
  --dark-2: #0B3A4C;
  --radius: 18px;
  --shadow-sm: 0 2px 10px rgba(14, 127, 168, .08);
  --shadow-md: 0 12px 32px rgba(14, 127, 168, .12);
  --shadow-lg: 0 24px 64px rgba(14, 127, 168, .18);
  --nav-h: 72px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial,
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
          "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- 通用 ---------- */
.section { padding: 104px 0; position: relative; }
.section-alt { background: var(--bg-alt); }
.section-dark {
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 55%, #005283 130%);
  color: #fff;
}
.sec-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.sec-tag {
  display: inline-block; font-size: 12px; letter-spacing: .22em; font-weight: 700;
  color: var(--brand-1); background: rgba(0,80,152,.08);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
}
.sec-head h2 {
  font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: .01em;
  background: linear-gradient(120deg, var(--ink) 30%, var(--brand-1) 90%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1.3;
}
.sec-head p { margin-top: 14px; color: var(--ink-2); font-size: 16.5px; }
.sec-head-light h2 {
  background: linear-gradient(120deg, #fff 30%, #8FD8D0 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.sec-head-light p { color: rgba(255,255,255,.72); }
.sec-head-light .sec-tag { color: #7ACDCA; background: rgba(125,215,205,.12); }

.grad-text {
  background: linear-gradient(100deg, #00A098 0%, #2EC4BC 45%, #8BE5DA 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: 999px; transition: all .3s ease;
  border: none; white-space: nowrap;
}
.btn-primary {
  background: var(--brand-grad); color: #fff;
  box-shadow: 0 10px 24px rgba(0,80,152,.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(0,80,152,.42); }
.btn-ghost {
  background: rgba(255,255,255,.1); color: #fff;
  border: 1.5px solid rgba(255,255,255,.35); backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--brand-deep); box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 18px 44px rgba(0,0,0,.26); }
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; padding: 13px 20px; }
.btn-arrow { transition: transform .3s ease; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h); transition: all .35s ease;
  /* 初始态(未滚动):菜单栏底部为系统主题白,保证菜单文字清晰可读 */
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--line);
}
.nav.scrolled {
  background: rgba(255,255,255,.88); box-shadow: 0 6px 24px rgba(7,42,56,.08);
  border-bottom-color: var(--line);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 0 24px; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { display: flex; filter: drop-shadow(0 4px 10px rgba(0,80,152,.28)); }
.brand-icon { height: 40px; width: auto; display: block; }
.brand-text { display: flex; flex-direction: column; justify-content: center; line-height: 1.08; }
.brand-cn { height: 18px; width: auto; display: block; }
.brand-py { height: 6.5px; width: auto; display: block; margin-top: 2.5px; opacity: .92; }
.nav-links { display: flex; gap: 30px; }
.nav-links a {
  font-size: 14.5px; font-weight: 500; color: var(--ink-2);
  position: relative; padding: 6px 2px; transition: color .25s ease;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2.5px; width: 0;
  background: var(--brand-grad); border-radius: 2px; transition: width .3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--brand-1); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; }
.nav-toggle span { width: 24px; height: 2.4px; background: var(--ink); border-radius: 2px; transition: all .3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.4px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.4px) rotate(-45deg); }
.nav-mobile {
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99;
  background: rgba(255,255,255,.98); backdrop-filter: blur(16px);
  display: none; flex-direction: column; padding: 12px 24px 24px;
  box-shadow: 0 24px 48px rgba(7,42,56,.14);
  border-bottom: 1px solid var(--line);
}
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 13px 6px; font-size: 15.5px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--line); }
.nav-mobile a:last-child { border-bottom: none; margin-top: 10px; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #06212C 0%, #083A58 48%, #00598C 100%);
  color: #fff; overflow: hidden; padding: calc(var(--nav-h) + 40px) 0 80px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(110,220,212,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110,220,212,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; animation: float 14s ease-in-out infinite; }
.orb-1 { width: 460px; height: 460px; background: rgba(0,160,152,.38); top: -120px; left: -100px; }
.orb-2 { width: 380px; height: 380px; background: rgba(0,80,152,.42); bottom: -100px; right: -80px; animation-delay: -5s; }
.orb-3 { width: 220px; height: 220px; background: rgba(110,220,212,.25); top: 38%; right: 22%; animation-delay: -9s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -26px) scale(1.08); }
}
.hero-waves { position: absolute; bottom: -2px; left: 0; width: 100%; height: 120px; }
.hero-inner { position: relative; z-index: 2; text-align: center; max-width: 900px; padding: 0 24px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(10px); border-radius: 999px;
  padding: 8px 18px; font-size: 13.5px; font-weight: 500; color: rgba(255,255,255,.92);
  letter-spacing: .06em; margin-bottom: 26px;
}
.dot-pulse { width: 8px; height: 8px; border-radius: 50%; background: #5BE3A8; position: relative; }
.dot-pulse::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid rgba(91,227,168,.6); animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.5); opacity: 0; } }
.hero-title {
  font-size: clamp(34px, 5.6vw, 62px); font-weight: 800; line-height: 1.22;
  letter-spacing: .01em; margin-bottom: 22px;
}
.hero-sub { font-size: clamp(15px, 1.8vw, 18px); color: rgba(255,255,255,.78); margin-bottom: 38px; font-weight: 400; }
.hero-sub b { color: #7DE0D4; font-weight: 600; }
.desktop-br { display: block; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  max-width: 860px; margin: 0 auto;
}
.stat {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(10px); border-radius: var(--radius);
  padding: 20px 12px; transition: all .35s ease;
}
.stat:hover { background: rgba(255,255,255,.13); transform: translateY(-4px); }
.stat strong { display: block; font-size: clamp(24px, 3.2vw, 34px); font-weight: 800; color: #fff; line-height: 1.2; }
.stat strong em { font-style: normal; font-size: .62em; color: #7DE0D4; margin-left: 2px; font-weight: 700; }
.stat > span { font-size: 12.5px; color: rgba(255,255,255,.66); display: block; margin-top: 4px; line-height: 1.5; }
.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.6); animation: bounce 2.2s ease-in-out infinite; z-index: 2;
}
@keyframes bounce { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 9px); } }

/* ---------- 卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 30px; box-shadow: var(--shadow-sm); position: relative;
  transition: all .4s cubic-bezier(.2,.7,.3,1); overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--brand-grad); transform: scaleX(0); transform-origin: left;
  transition: transform .45s ease;
}
.card-accent:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(0,80,152,.28); }
.card-accent:hover::before { transform: scaleX(1); }
.card-icon {
  width: 58px; height: 58px; border-radius: 15px; display: flex; align-items: center;
  justify-content: center; margin-bottom: 20px;
}
.card-icon svg { width: 27px; height: 27px; }
.icon-teal { background: rgba(0,80,152,.1); color: var(--brand-1); }
.icon-blue { background: rgba(76,120,220,.1); color: #4C78DC; }
.icon-cyan { background: rgba(0,160,152,.12); color: var(--brand-2); }
.card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 14.5px; }

/* ---------- 六大价值 ---------- */
.value-block { margin-top: 72px; }
.value-title {
  text-align: center; font-size: 21px; font-weight: 700; margin-bottom: 30px; color: var(--ink);
}
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-item {
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 24px; position: relative; overflow: hidden; transition: all .3s ease;
}
.value-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); background: #fff; }
.v-num {
  position: absolute; right: 14px; top: 8px; font-size: 34px; font-weight: 800;
  color: rgba(0,80,152,.1); line-height: 1;
}
.value-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.value-item h4::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-grad); }
.value-item p { font-size: 13.5px; color: var(--ink-2); }

/* ---------- 四大支柱 ---------- */
.pillar-wrap { position: relative; display: flex; align-items: center; justify-content: center; min-height: 460px; }
.pillar-core { position: absolute; z-index: 2; text-align: center; }
.pillar-ring {
  width: 208px; height: 208px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; position: relative;
  background: transparent;
  box-shadow: 0 24px 60px rgba(0,80,152,.25), inset 0 0 0 1px rgba(255,255,255,.7);
}
.pillar-ring svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-30deg); animation: spin 40s linear infinite; }
@keyframes spin { to { transform: rotate(330deg); } }
.pillar-logo { display: flex; flex-direction: column; align-items: center; gap: 7px; }
.pillar-logo-img {
  width: 56px; height: 56px; border-radius: 50%; object-fit: cover;
  box-sizing: border-box; padding: 10px;
  background: #F4F9FC;
  box-shadow: none;
}
.pillar-logo strong { font-size: 16px; font-weight: 700; color: var(--ink); }
.pillar-card {
  position: absolute; width: 252px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 20px; box-shadow: var(--shadow-md);
  transition: all .35s ease; z-index: 3;
}
.pillar-card:hover { transform: translateY(-6px) scale(1.02); box-shadow: var(--shadow-lg); }
.p-ico {
  width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center;
  justify-content: center; margin-bottom: 13px;
}
.p-ico svg { width: 22px; height: 22px; }
.i1 { background: rgba(0,80,152,.1); color: var(--brand-1); }
.i2 { background: rgba(76,120,220,.1); color: #4C78DC; }
.i3 { background: rgba(240,146,34,.12); color: #E08B16; }
.i4 { background: rgba(0,160,152,.12); color: #008EA0; }
.pillar-card h4 { font-size: 16.5px; font-weight: 700; margin-bottom: 7px; }
.pillar-card p { font-size: 13px; color: var(--ink-2); line-height: 1.65; }
.p1 { top: 30px; left: 8%; }
.p2 { top: 30px; right: 8%; }
.p3 { bottom: 30px; left: 8%; }
.p4 { bottom: 30px; right: 8%; }

/* ---------- 共创模式 ---------- */
.co-create { display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap; justify-content: center; }
.co-card {
  flex: 1; min-width: 200px; max-width: 255px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px;
  box-shadow: var(--shadow-sm); transition: all .35s ease; position: relative;
}
.co-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0,80,152,.3); }
.co-ico {
  width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; background: var(--brand-grad); color: #fff;
  box-shadow: 0 8px 20px rgba(0,80,152,.35); margin-bottom: 17px;
}
.co-ico svg { width: 24px; height: 24px; }
.co-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 9px; }
.co-card p { font-size: 13.3px; color: var(--ink-2); }
.co-arrow { align-self: center; color: var(--brand-2); flex-shrink: 0; }
.co-arrow svg { width: 26px; height: 26px; }

/* ---------- 技术应用(深色区) ---------- */
.tech-block { background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1); border-radius: 22px; padding: 42px 38px; margin-bottom: 40px; backdrop-filter: blur(6px); }
.tech-head { display: flex; align-items: center; gap: 20px; margin-bottom: 34px; }
.tech-badge {
  width: 58px; height: 58px; border-radius: 16px; background: rgba(0,160,152,.16);
  border: 1px solid rgba(0,160,152,.4); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0;
}
.tech-badge span { font-size: 20px; font-weight: 800; color: #6EDCD0; }
.badge-ai { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.25); }
.badge-ai span { color: #fff; }
.tech-head h3 { font-size: 22px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.tech-head p { color: rgba(255,255,255,.62); font-size: 14px; margin-top: 4px; }
.ai-tag {
  font-style: normal; font-size: 11px; font-weight: 800; letter-spacing: .1em;
  background: linear-gradient(135deg, #00A098, #2EC4BC); color: #06303F;
  padding: 3px 9px; border-radius: 7px;
}
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.tech-item {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09);
  border-radius: 14px; padding: 20px 18px; transition: all .3s ease;
}
.tech-item:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); border-color: rgba(110,220,212,.35); }
.t-num { font-size: 12px; font-weight: 800; color: #6EDCD0; letter-spacing: .12em; display: block; margin-bottom: 10px; }
.tech-item h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.tech-item p { font-size: 12.8px; color: rgba(255,255,255,.6); line-height: 1.6; }

.ai-loop { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; margin: 30px 0 40px; }
.loop-node { flex: 1; min-width: 150px; max-width: 200px; text-align: center; }
.loop-ico {
  width: 62px; height: 62px; margin: 0 auto 13px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,160,152,.25), rgba(0,80,152,.25));
  border: 1.5px solid rgba(110,220,212,.5); display: flex; align-items: center;
  justify-content: center; color: #7DE0D4; box-shadow: 0 0 28px rgba(0,160,152,.22);
}
.loop-ico svg { width: 26px; height: 26px; }
.loop-node h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 5px; }
.loop-node p { font-size: 12.3px; color: rgba(255,255,255,.58); line-height: 1.6; }
.loop-line { color: rgba(110,220,212,.5); flex-shrink: 0; }
.loop-line svg { width: 30px; height: 30px; animation: spin 9s linear infinite; }

.moat {
  background: rgba(0,80,152,.14); border: 1px solid rgba(110,220,212,.28);
  border-radius: 16px; padding: 26px 28px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
}
.moat-title { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 260px; }
.moat-ico {
  width: 54px; height: 54px; border-radius: 14px; background: var(--brand-grad);
  display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0;
  box-shadow: 0 8px 22px rgba(0,160,152,.4);
}
.moat-ico svg { width: 25px; height: 25px; }
.moat-title h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 4px; }
.moat-title p { font-size: 13px; color: rgba(255,255,255,.65); }
.moat-list { display: flex; flex-wrap: wrap; gap: 9px; }
.moat-list li {
  font-size: 12.5px; font-weight: 500; color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  padding: 6px 13px; border-radius: 999px; transition: all .25s ease;
}
.moat-list li:hover { background: rgba(0,160,152,.3); border-color: rgba(110,220,212,.5); }

/* ---------- 政策市场 ---------- */
.market-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 54px; }
.m-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; box-shadow: var(--shadow-sm); transition: all .35s ease;
}
.m-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(0,80,152,.26); }
.m-ico {
  width: 48px; height: 48px; border-radius: 13px; background: rgba(0,80,152,.09);
  color: var(--brand-1); display: flex; align-items: center; justify-content: center; margin-bottom: 15px;
}
.m-ico svg { width: 23px; height: 23px; }
.m-card h4 { font-size: 16.5px; font-weight: 700; margin-bottom: 7px; }
.m-card p { font-size: 13.3px; color: var(--ink-2); }
.market-nums {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  background: linear-gradient(135deg, #005098, #00A098); border-radius: 20px;
  padding: 38px 30px; color: #fff; box-shadow: var(--shadow-lg);
}
.mn-item { text-align: center; }
.mn-item strong { display: block; font-size: clamp(28px, 3.4vw, 38px); font-weight: 800; line-height: 1.2; }
.mn-item strong em { font-style: normal; font-size: .55em; font-weight: 600; color: rgba(255,255,255,.85); margin-left: 4px; }
.mn-item > span { font-size: 13.5px; color: rgba(255,255,255,.82); }

/* ---------- 案例 ---------- */
.case-expert {
  display: grid; grid-template-columns: 1.25fr .9fr; gap: 40px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  padding: 44px 46px; box-shadow: var(--shadow-sm); margin-bottom: 30px;
}
.mini-tag { font-size: 11.5px; font-weight: 800; letter-spacing: .2em; color: var(--brand-1); display: inline-block; margin-bottom: 14px; }
.case-expert-left h3 { font-size: 25px; font-weight: 800; line-height: 1.45; margin-bottom: 20px; }
.expert-points li {
  position: relative; padding-left: 18px; font-size: 14px; color: var(--ink-2);
  margin-bottom: 11px; line-height: 1.75;
}
.expert-points li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--brand-grad); }
.expert-points b { color: var(--ink); }
.expert-card {
  background: linear-gradient(150deg, #F0F9F7, #E6F6F3); border: 1px solid rgba(0,80,152,.18);
  border-radius: 18px; padding: 32px 30px; text-align: center;
}
.expert-avatar {
  width: 82px; height: 82px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--brand-grad); color: #fff; display: flex; align-items: center;
  justify-content: center; box-shadow: 0 14px 34px rgba(0,80,152,.4);
}
.expert-avatar svg { width: 38px; height: 38px; }
.expert-card h4 { font-size: 21px; font-weight: 800; }
.expert-role { font-size: 13.5px; color: var(--brand-1); font-weight: 600; margin: 5px 0 12px; }
.expert-desc { font-size: 13px; color: var(--ink-2); line-height: 1.75; }
.case-hospitals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.hospital-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm); transition: all .35s ease;
}
.hospital-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.hospital-card.featured { background: linear-gradient(150deg, #005098, #007D90); color: #fff; border: none; }
.h-stat { margin-bottom: 16px; }
.h-stat strong { font-size: clamp(26px, 3vw, 34px); font-weight: 800; line-height: 1.2; display: block; }
.h-stat strong em { font-style: normal; font-size: .58em; font-weight: 600; margin-left: 4px; color: inherit; opacity: .8; }
.h-stat > span { font-size: 12.5px; opacity: .85; }
.featured .h-stat > span { color: rgba(255,255,255,.85); }
.hospital-card h4 { font-size: 17.5px; font-weight: 700; margin-bottom: 7px; }
.hospital-card p { font-size: 13.5px; color: var(--ink-2); }
.featured p { color: rgba(255,255,255,.88); }

/* ---------- 脑卒中 ---------- */
.stroke-data { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 54px; }
.sd-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; text-align: center; box-shadow: var(--shadow-sm); transition: all .35s ease;
}
.sd-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.sd-item strong { font-size: clamp(25px, 3vw, 34px); font-weight: 800; line-height: 1.25; }
.sd-item strong em { font-style: normal; font-size: .55em; font-weight: 600; color: var(--ink-3); margin-left: 3px; }
.sd-1 strong, .sd-3 strong { color: var(--brand-1); }
.sd-2 strong { color: #E0573F; }
.sd-4 strong { color: #4C78DC; }
.sd-item > span { display: block; font-size: 12.8px; color: var(--ink-3); margin-top: 7px; line-height: 1.6; }

.stroke-flow { display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 44px; }
.sf-item { flex: 1; min-width: 215px; max-width: 300px; text-align: center; padding: 30px 22px; }
.sf-ico {
  width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%;
  background: rgba(0,80,152,.09); color: var(--brand-1); display: flex;
  align-items: center; justify-content: center; border: 1.5px dashed rgba(0,80,152,.35);
}
.sf-ico svg { width: 27px; height: 27px; }
.sf-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.sf-item p { font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.sf-arrow { align-self: center; color: var(--brand-2); flex-shrink: 0; }
.sf-arrow svg { width: 26px; height: 26px; }

.stroke-support { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 50px; }
.ss-item {
  display: flex; gap: 16px; background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: 16px; padding: 22px 22px; transition: all .3s ease;
}
.ss-item:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.ss-ico {
  width: 46px; height: 46px; border-radius: 12px; background: rgba(0,80,152,.1);
  color: var(--brand-1); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ss-ico svg { width: 22px; height: 22px; }
.ss-item h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 4px; }
.ss-item p { font-size: 12.8px; color: var(--ink-2); line-height: 1.65; }

.stroke-expert {
  display: grid; grid-template-columns: 300px 1fr; gap: 0;
  background: linear-gradient(135deg, #005098, #00A098); border-radius: 22px;
  overflow: hidden; color: #fff; box-shadow: var(--shadow-lg); margin-bottom: 44px;
}
.se-badge {
  background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center;
  border-right: 1px solid rgba(255,255,255,.16); padding: 40px 26px;
}
.se-badge span {
  writing-mode: vertical-lr; letter-spacing: .4em; font-size: 20px; font-weight: 800;
  padding: 14px 0; border-left: 3px solid rgba(255,255,255,.55); padding-left: 12px;
}
.se-body { padding: 40px 42px; }
.se-body h3 { font-size: 25px; font-weight: 800; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.se-tag {
  font-size: 12px; font-weight: 600; background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.3); padding: 4px 12px; border-radius: 999px;
}
.se-role { font-size: 13px; color: rgba(255,255,255,.82); margin: 10px 0 24px; line-height: 1.8; }
.se-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.se-grid h5 { font-size: 14.5px; font-weight: 700; margin-bottom: 5px; display: flex; align-items: center; gap: 7px; }
.se-grid h5::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #6EDCD0; flex-shrink: 0; }
.se-grid p { font-size: 12.6px; color: rgba(255,255,255,.78); line-height: 1.7; }

.stroke-result {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 34px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 36px 40px;
  box-shadow: var(--shadow-sm);
}
.sr-left h4 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.sr-left p { font-size: 13.5px; color: var(--ink-2); }
.sr-right { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sr-item { text-align: center; padding: 14px 8px; border-radius: 14px; background: var(--bg-alt); }
.sr-item strong { display: block; font-size: 18px; font-weight: 800; color: var(--brand-1); line-height: 1.4; }
.sr-item strong em { font-style: normal; font-size: .62em; font-weight: 600; color: var(--ink-3); margin-left: 3px; }
.sr-item > span { font-size: 12px; color: var(--ink-2); line-height: 1.6; display: block; margin-top: 5px; }

/* ---------- 商业 ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.biz-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
  transition: all .35s ease;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0,80,152,.3); }
.biz-num {
  position: absolute; right: 14px; top: 10px; font-size: 46px; font-weight: 800;
  color: rgba(0,80,152,.08); line-height: 1;
}
.biz-ico {
  width: 52px; height: 52px; border-radius: 14px; background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(0,80,152,.32);
}
.biz-ico svg { width: 24px; height: 24px; }
.biz-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.biz-card p { font-size: 13.3px; color: var(--ink-2); line-height: 1.7; }
.biz-card p b { color: var(--brand-1); font-size: 15px; }

/* ---------- 未来 ---------- */
.future-main {
  display: flex; align-items: center; justify-content: center; gap: 26px; flex-wrap: wrap;
  margin-bottom: 46px;
}
.future-strong {
  font-size: clamp(26px, 4vw, 40px); font-weight: 800; color: var(--ink);
  background: linear-gradient(120deg, var(--brand-1), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.future-plus { font-size: 30px; font-weight: 300; color: var(--ink-3); }
.future-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.f-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow-sm); transition: all .35s ease;
}
.f-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.f-ico {
  width: 48px; height: 48px; border-radius: 13px; background: rgba(0,80,152,.09);
  color: var(--brand-1); display: flex; align-items: center; justify-content: center; margin-bottom: 15px;
}
.f-ico svg { width: 23px; height: 23px; }
.f-item h4 { font-size: 16.5px; font-weight: 700; margin-bottom: 7px; }
.f-item p { font-size: 13.2px; color: var(--ink-2); }

/* ---------- CTA ---------- */
.section-cta { padding: 80px 0 100px; }
.cta-box {
  position: relative; overflow: hidden; text-align: center; color: #fff;
  background: linear-gradient(135deg, #083A58, #005098 60%, #00A098);
  border-radius: 26px; padding: 72px 40px; box-shadow: var(--shadow-lg);
}
.cta-bg {
  position: absolute; inset: 0; opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
}
.cta-box h2 { position: relative; font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 14px; }
.cta-box > p { position: relative; font-size: 16px; color: rgba(255,255,255,.8); margin-bottom: 32px; }
.cta-box > .btn { position: relative; }
.cta-contact {
  position: relative; display: flex; justify-content: center; gap: 34px; flex-wrap: wrap;
  margin-top: 34px; font-size: 13.5px; color: rgba(255,255,255,.82);
}
.cta-contact span { display: inline-flex; align-items: center; gap: 8px; }
.cta-contact svg { width: 17px; height: 17px; }
.cta-contact a { color: inherit; text-decoration: none; }
.cta-contact a:hover { text-decoration: underline; }
.cta-qr { position: relative; display: inline-flex; flex-direction: column; align-items: center; gap: 10px; margin-top: 32px; }
.cta-qr img { width: 150px; height: 150px; border-radius: 16px; background: #fff; padding: 10px; box-shadow: 0 10px 28px rgba(0,0,0,.28); }
.cta-qr span { font-size: 12.5px; color: rgba(255,255,255,.85); letter-spacing: 2px; }

/* ---------- 页脚 ---------- */
.footer { background: #06212C; color: rgba(255,255,255,.68); padding: 64px 0 28px; }
.footer-inner {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px;
  padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.brand-footer { margin-bottom: 16px; background: #fff; padding: 10px 16px; border-radius: 14px; box-shadow: var(--shadow-sm); width: fit-content; }
.brand-footer .brand-icon { height: 34px; }
.brand-footer .brand-cn { height: 15px; }
.brand-footer .brand-py { height: 5.4px; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; max-width: 320px; }
.footer-links h5 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-links a { display: block; font-size: 13.5px; padding: 5px 0; transition: all .25s ease; }
.footer-links a:hover { color: #6EDCD0; transform: translateX(4px); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
  padding-top: 26px; font-size: 12.5px; color: rgba(255,255,255,.45);
}

/* ---------- 智能体平台 ---------- */
.agents-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 22px; }
.agent-card {
  position: relative; background: #fff; border-radius: 18px; padding: 30px 26px 26px;
  box-shadow: var(--shadow-sm); border-top: 4px solid var(--ac1);
  display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease; text-decoration: none;
}
.agent-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.agent-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.agent-ico { display: flex; }
.agent-ico img { width: 44px; height: 44px; border-radius: 12px; background: #fff; border: 1px solid var(--line); padding: 4px; }
.agent-badge {
  font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--ac1), var(--ac2));
  padding: 5px 14px; border-radius: 20px; letter-spacing: .1em;
}
.agent-card h3 { font-size: 21px; font-weight: 800; color: var(--ink); }
.agent-role { font-size: 12.5px; color: var(--ac1); font-weight: 600; margin: 6px 0 12px; line-height: 1.55; }
.agent-desc { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; flex: 1; }
.agent-btn {
  display: inline-block; margin-top: 18px; align-self: flex-start;
  background: linear-gradient(135deg, var(--ac1), var(--ac2)); color: #fff;
  padding: 9px 22px; border-radius: 24px; font-size: 13.5px; font-weight: 600;
  transition: opacity .2s;
}
.agent-btn:hover { opacity: .9; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 24px; bottom: 30px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px rgba(0,80,152,.4); opacity: 0; pointer-events: none;
  transform: translateY(14px); transition: all .35s ease;
}
.back-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-top:hover { transform: translateY(-3px); }
.back-top svg { width: 21px; height: 21px; }

/* ---------- 滚动渐入 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .pillar-card { width: 225px; }
  .p1 { left: 2%; } .p2 { right: 2%; } .p3 { left: 2%; } .p4 { right: 2%; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .future-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 78px 0; }
  .grid-3 { grid-template-columns: 1fr; gap: 18px; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .market-cards { grid-template-columns: repeat(2, 1fr); }
  .case-expert { grid-template-columns: 1fr; padding: 34px 28px; }
  .stroke-data { grid-template-columns: repeat(2, 1fr); }
  .stroke-support { grid-template-columns: 1fr; }
  .stroke-expert { grid-template-columns: 1fr; }
  .se-badge { border-right: none; border-bottom: 1px solid rgba(255,255,255,.16); padding: 26px; }
  .se-badge span { writing-mode: horizontal-tb; letter-spacing: .3em; border-left: none; border-top: 3px solid rgba(255,255,255,.55); padding-left: 0; padding-top: 10px; }
  .stroke-result { grid-template-columns: 1fr; gap: 22px; padding: 30px 26px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .pillar-wrap { flex-direction: column; min-height: auto; padding: 40px 0; gap: 34px; }
  .pillar-core { position: static; order: -1; }
  .pillar-card { position: static; width: 100%; }
  .pillar-ring { width: 148px; height: 148px; box-shadow: 0 16px 40px rgba(0,80,152,.2), inset 0 0 0 1px rgba(255,255,255,.7); }
  .pillar-ring .pillar-logo img {
    width: 64px; height: 64px; border-radius: 50%;
    box-sizing: border-box; padding: 11px;
    background: #F4F9FC;
    transform: none; animation: none;
  }
  .pillar-logo strong { font-size: 14px; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { padding-bottom: 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .hero-actions { flex-direction: column; width: 100%; margin-bottom: 46px; }
  .hero-actions .btn { width: 100%; }
  .value-grid { grid-template-columns: 1fr; }
  .market-cards { grid-template-columns: 1fr; }
  .market-nums { grid-template-columns: 1fr; gap: 26px; }
  .stroke-data { grid-template-columns: 1fr 1fr; gap: 12px; }
  .sd-item { padding: 20px 14px; }
  .se-grid { grid-template-columns: 1fr; }
  .sr-right { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr; }
  .future-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-block { padding: 30px 22px; }
  .tech-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .moat { padding: 22px 20px; }
  .co-create { gap: 14px; }
  .co-card { min-width: 100%; max-width: 100%; }
  .co-arrow { transform: rotate(90deg); }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-box { padding: 54px 24px; }
  .case-hospitals { grid-template-columns: 1fr; gap: 14px; }
  .hospital-card { padding: 22px 20px; }
  .h-stat { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
  .h-stat strong { font-size: 25px; }
  .hospital-card h4 { font-size: 16.5px; margin-bottom: 6px; }
  .hospital-card p { font-size: 12.8px; }
  .stroke-result { padding: 26px 20px; }
  .se-body { padding: 30px 24px; }
  .case-expert { padding: 28px 22px; }
  .cta-contact { gap: 18px; flex-direction: column; align-items: center; }
  .back-top { right: 16px; bottom: 22px; }
}

@media (max-width: 400px) {
  .stroke-data { grid-template-columns: 1fr; }
  .desktop-br { display: none; }
}

/* 减少动态偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}


/* 导航免费体验入口 */
.nav-trial { color: var(--brand-1) !important; font-weight: 700; position: relative; }
.nav-trial::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 100%; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--brand-1), var(--brand-2)); }

/* ======== 免费体验表单(v2 高级版) ======== */
.trial-layout {
  display: grid; grid-template-columns: 380px 1fr; gap: 40px; align-items: start;
  max-width: 1080px; margin: 0 auto;
}
/* 左栏:介绍 */
.trial-intro { padding: 34px 6px 0 0; }
.trial-intro-head { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.trial-intro-ico {
  width: 46px; height: 46px; border-radius: 14px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2)); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0,80,152,.28);
}
.trial-intro-ico svg { width: 24px; height: 24px; }
.trial-intro-head h3 { font-size: 21px; color: var(--ink); margin: 0; }
.trial-benefits { list-style: none; margin: 0 0 28px; padding: 0; }
.trial-benefits li {
  display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px;
  color: var(--ink-2); line-height: 1.65; margin-bottom: 14px;
}
.tb-dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--brand-2), var(--brand-1)); margin-top: 7px; flex-shrink: 0; }
.trial-qr {
  display: inline-flex; flex-direction: column; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 18px 22px; box-shadow: var(--shadow-sm);
}
.trial-qr img { border-radius: 10px; display: block; }
.trial-qr span { font-size: 12.5px; color: var(--ink-3); }
/* 右栏:表单卡片 */
.trial-form {
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 34px 36px 30px; box-shadow: var(--shadow-md); position: relative; overflow: hidden;
}
.trial-form::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2), var(--brand-1));
}
.trial-form-head { margin-bottom: 24px; }
.trial-form-head h3 { font-size: 20px; color: var(--ink); margin: 0 0 6px; }
.trial-form-head p { font-size: 13.5px; color: var(--ink-3); margin: 0; }
.trial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.trial-field { margin-bottom: 18px; }
.trial-field > label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.trial-field label em { color: #E0503A; font-style: normal; }
.trial-field > label.trial-mod-label { font-size: 12.5px; color: var(--ink-2); }
.trial-input { position: relative; }
.trial-input svg {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  width: 17px; height: 17px; color: #9DB4C4; pointer-events: none; transition: color .25s ease;
}
.trial-input input {
  width: 100%; box-sizing: border-box; padding: 12px 14px 12px 40px; font-size: 15px; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 12px; background: #FBFDFE; outline: none;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.trial-input input:focus { border-color: var(--brand-1); background: #fff; box-shadow: 0 0 0 3px rgba(0,80,152,.1); }
.trial-input input:focus + svg, .trial-input:focus-within svg { color: var(--brand-1); }
.trial-input input::placeholder { color: #A8BCC8; }
/* 模块卡片多选 */
.trial-modules { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.trial-mod { cursor: pointer; }
.trial-mod input { position: absolute; opacity: 0; pointer-events: none; }
.tm-box {
  display: flex; flex-direction: row; align-items: center; gap: 8px; text-align: left;
  border: 1.5px solid #D3E2EC; border-radius: 10px; padding: 9px 11px;
  background: #FBFDFE; transition: all .25s ease; height: 100%; box-sizing: border-box;
}
.tm-box svg { width: 19px; height: 19px; color: #9DB4C4; transition: color .25s ease; flex-shrink: 0; }
.tm-box strong { font-size: 12.5px; color: var(--ink-2); transition: color .25s ease; white-space: nowrap; }
.tm-box small { font-size: 10.5px; color: var(--ink-3); line-height: 1.35; }
.trial-mod:hover .tm-box { border-color: var(--brand-1); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.trial-mod input:checked + .tm-box {
  border-color: var(--brand-1); background: linear-gradient(180deg, rgba(0,80,152,.05), rgba(0,160,152,.05));
  box-shadow: 0 6px 18px rgba(0,80,152,.12);
}
.trial-mod input:checked + .tm-box svg { color: var(--brand-1); }
.trial-mod input:checked + .tm-box strong { color: var(--brand-1); }
.trial-submit { margin-top: 4px; }
.trial-tip { font-size: 14px; color: var(--ink-3); margin: 0 0 12px; min-height: 22px; text-align: center; }
.trial-tip.ok { color: #0B8A5E; font-size: 15px; font-weight: 700; }
.trial-tip.ok::before { content: '✅ '; }
.trial-tip.err { color: #E0503A; font-size: 14px; font-weight: 600; }
.trial-tip.err::before { content: '⚠️ '; }
@media (max-width: 900px) {
  .tm-box strong { white-space: normal; }
  .trial-layout { grid-template-columns: 1fr; gap: 26px; }
  .trial-intro { padding: 0; }
  .trial-qr { align-self: center; }
  .trial-modules { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .trial-grid { grid-template-columns: 1fr; }
  .trial-form { padding: 26px 20px 24px; border-radius: 16px; }
  .trial-modules { grid-template-columns: 1fr; }
}

/* ======== 个人AI工作站(独立模块) ======== */
.ws-wrap { display: flex; justify-content: center; max-width: 1180px; margin: 0 auto; }
.ws-main { max-width: 660px; width: 100%; text-align: center; align-items: center; }
.ws-card {
  border-radius: 20px; padding: 30px 28px; transition: all .3s ease;
}
.ws-main {
  background: linear-gradient(140deg, #005098 0%, #0E7FA8 55%, #00A098 130%);
  color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: 0 20px 48px rgba(0,80,152,.32); position: relative; overflow: hidden;
  padding: 52px 40px;
}
.ws-main::after {
  content: ''; position: absolute; right: -46px; top: -46px; width: 170px; height: 170px;
  border: 1.5px solid rgba(255,255,255,.25); border-radius: 50%;
  box-shadow: 0 0 0 26px rgba(255,255,255,.06), 0 0 0 52px rgba(255,255,255,.04);
}
.ws-ico {
  width: 52px; height: 52px; border-radius: 15px; background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  backdrop-filter: blur(4px);
}
.ws-ico svg { width: 27px; height: 27px; color: #fff; }
.ws-main h3 { font-size: 24px; font-weight: 800; margin-bottom: 10px; }
.ws-desc { font-size: 14px; line-height: 1.8; opacity: .92; margin-bottom: 24px; max-width: 360px; }
.ws-main .btn { background: #fff; color: var(--brand-deep, #005098); box-shadow: 0 10px 26px rgba(0,0,0,.18); }
.ws-feat {
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.ws-feat:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(0,160,152,.35); }
.ws-fnum {
  font-size: 40px; font-weight: 900; line-height: 1; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.ws-feat h4 { font-size: 17.5px; font-weight: 700; color: var(--ink); margin-bottom: 9px; }
.ws-feat p { font-size: 13.5px; line-height: 1.75; color: var(--ink-2); margin: 0; }
@media (max-width: 900px) {
  .ws-wrap { grid-template-columns: 1fr; }
  .ws-main { padding: 34px 26px; }
}

/* ======== 智能体平台合并模块(专家 + 工作站) ======== */
.agents-block { padding: 0 0 14px; }
.ws-block { margin-top: 74px; padding-top: 64px; border-top: 1px solid rgba(14,127,168,.14); }
.agents-subhead { text-align: center; margin: 0 auto 42px; max-width: 720px; }
.agents-subtag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 2px;
  color: var(--brand-1); border: 1px solid rgba(0,80,152,.28); border-radius: 30px;
  padding: 5px 16px; margin-bottom: 14px; background: rgba(255,255,255,.6);
}
.agents-subhead h3 { font-size: 30px; font-weight: 800; color: var(--ink); margin-bottom: 10px; }
.agents-subhead p { font-size: 15px; color: var(--ink-2); line-height: 1.7; }
@media (max-width: 900px) {
  .ws-block { margin-top: 56px; padding-top: 48px; }
}