/* ==========================================================================
   杭州易环智能科技有限公司 — 官网样式
   风格：简约大气 / 墨黑 + 品牌渐变（#487FF8 → #094DE2）
   ========================================================================== */

/* ---------- 1. Design Tokens ---------- */
:root {
  /* 中性色 */
  --ink:        #08171F;
  --ink-2:      #10262F;
  --text:       #1C323C;
  --text-2:     #4A606C;
  --muted:      #7A8D97;
  --line:       #E5EDF0;
  --line-2:     #EFF4F6;
  --bg:         #FFFFFF;
  --bg-soft:    #F6F9FA;
  --bg-mist:    #EEF5F4;

  /* 品牌色 */
  --brand:      #487FF8;
  --brand-deep: #094DE2;
  --brand-soft: #EAF1FD;
  --accent:     #1D61F6;
  --accent-soft:#E9F1FD;
  --grad:       linear-gradient(125deg, #6C98F9 0%, #487FF8 46%, #094DE2 100%);
  --grad-text:  linear-gradient(100deg, #094DE2 0%, #1D61F6 42%, #487FF8 100%);
  --grad-deep:  linear-gradient(150deg, #487FF8 0%, #094DE2 100%);
  --grad-line:  linear-gradient(90deg, #6C98F9 0%, #487FF8 46%, #094DE2 100%);

  /* 尺寸 */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius:    18px;
  --radius-lg: 26px;
  --shadow-xs: 0 1px 2px rgba(8, 23, 31, .05);
  --shadow-sm: 0 4px 16px rgba(8, 23, 31, .05);
  --shadow:    0 14px 40px -14px rgba(8, 23, 31, .16);
  --shadow-lg: 0 34px 80px -30px rgba(8, 23, 31, .28);
  --container: 1180px;
  --nav-h:     72px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 24px); }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
               -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; color: var(--ink); line-height: 1.25; letter-spacing: -.022em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
::selection { background: rgba(72, 127, 248, .18); }

/* ---------- 3. Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section { padding: 118px 0; position: relative; }
.section--soft  { background: var(--bg-soft); }
.section--mist  { background: var(--bg-mist); }
.section--ink   { background: var(--ink); color: #C8D6DC; }
.section--ink h2, .section--ink h3 { color: #fff; }
.section--tight { padding: 84px 0; }

.section-head { max-width: 720px; margin: 0 auto 62px; text-align: center; }
.section-head--left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 600; letter-spacing: .12em;
  color: var(--brand-deep); text-transform: uppercase;
  background: linear-gradient(120deg, rgba(72,127,248,.15), rgba(9,77,226,.08));
  border: 1px solid rgba(9,77,226,.18);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }

h2.section-title { font-size: clamp(28px, 3.4vw, 40px); }
.section-desc { margin-top: 18px; color: var(--text-2); font-size: 17px; line-height: 1.8; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 50px; padding: 0 26px; border-radius: 999px;
  font-size: 15.5px; font-weight: 600; letter-spacing: .01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
              background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 10px 26px -10px rgba(72,127,248,.62); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px rgba(72,127,248,.7); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { transform: translateY(-2px); box-shadow: var(--shadow); background: var(--ink-2); }
.btn--ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow-xs); }
.btn--ghost:hover { border-color: #C9D8DE; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn--light { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.24); }
.btn--light:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }
.btn--sm { height: 42px; padding: 0 20px; font-size: 14.5px; }
.btn--block { width: 100%; }

.link-arrow { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; font-size: 15px; color: var(--brand-deep); }
.link-arrow svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 5. Navbar ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(8,23,31,.4); background: rgba(255,255,255,.9); }
.nav__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand__mark { width: 38px; height: 38px; border-radius: 11px; background: var(--grad); display: grid; place-items: center; box-shadow: 0 8px 20px -8px rgba(9,77,226,.75); }
.brand__mark svg { width: 21px; height: 21px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: -.01em; }
.brand__sub { font-size: 10.5px; letter-spacing: .18em; color: var(--muted); font-weight: 500; text-transform: uppercase; }

.nav__menu { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; padding: 9px 16px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--text-2);
  transition: color .22s var(--ease), background .22s var(--ease);
}
.nav__link:hover { color: var(--ink); background: var(--bg-soft); }
.nav__link.is-active { color: var(--brand-deep); font-weight: 600; background: var(--brand-soft); }
.nav__actions { display: flex; align-items: center; gap: 10px; flex: none; }

.nav__burger { display: none; width: 42px; height: 42px; border-radius: 11px; border: 1px solid var(--line); place-items: center; }
.nav__burger span { display: block; width: 17px; height: 1.8px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav__burger span + span { margin-top: 4.4px; }
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(6.2px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-6.2px) rotate(-45deg); }

.nav__mobile {
  display: none; position: fixed; inset: var(--nav-h) 0 auto; z-index: 99;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 14px 28px 26px; box-shadow: var(--shadow);
  transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: opacity .26s var(--ease), transform .26s var(--ease);
}
.nav.is-open .nav__mobile { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav__mobile a { display: block; padding: 13px 4px; border-bottom: 1px solid var(--line-2); font-size: 16px; font-weight: 500; color: var(--text); }
.nav__mobile a.is-active { color: var(--brand-deep); font-weight: 600; }
.nav__mobile .btn { margin-top: 18px; }

/* ---------- 6. Hero ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 92px) 0 0; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero__bg::before, .hero__bg::after { content: ""; position: absolute; border-radius: 50%; filter: blur(90px); }
.hero__bg::before { width: 620px; height: 620px; top: -240px; left: -120px; background: radial-gradient(circle, rgba(72,127,248,.24), transparent 68%); }
.hero__bg::after { width: 660px; height: 660px; top: -200px; right: -180px; background: radial-gradient(circle, rgba(23,145,199,.2), transparent 68%); }
.hero__grid {
  position: absolute; inset: 0; z-index: 0; opacity: .5;
  background-image: linear-gradient(rgba(8,23,31,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(8,23,31,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 62% at 50% 30%, #000 20%, transparent 78%);
          mask-image: radial-gradient(ellipse 90% 62% at 50% 30%, #000 20%, transparent 78%);
}
.hero__inner { position: relative; z-index: 1; text-align: center; max-width: 880px; margin: 0 auto; }
.hero h1 { font-size: clamp(34px, 5.4vw, 60px); font-weight: 700; letter-spacing: -.035em; line-height: 1.14; }
.hero h1 .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__lead { margin-top: 26px; font-size: clamp(16px, 1.4vw, 18.5px); color: var(--text-2); line-height: 1.85; max-width: 740px; margin-left: auto; margin-right: auto; }
.hero__cta { margin-top: 38px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero__strip {
  margin-top: 34px; display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 10px 8px; font-size: 14px; color: var(--muted);
}
.hero__strip b { color: var(--text); font-weight: 600; }
.hero__strip .dot { width: 4px; height: 4px; border-radius: 50%; background: #C6D4DA; }

/* Hero 产品预览面板 */
.stage { position: relative; z-index: 1; margin: 62px auto -6px; max-width: 1060px; }
.stage__glow { position: absolute; inset: 6% 12% -12%; background: var(--grad); filter: blur(64px); opacity: .2; border-radius: 50%; }
.panel {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.panel__bar { display: flex; align-items: center; gap: 8px; padding: 14px 20px; border-bottom: 1px solid var(--line-2); background: #FCFDFD; }
.panel__dot { width: 10px; height: 10px; border-radius: 50%; background: #E3EAED; }
.panel__url { margin-left: 12px; flex: 1; height: 26px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line-2); display: flex; align-items: center; padding: 0 14px; font-size: 12px; color: var(--muted); letter-spacing: .02em; }
.panel__body { display: grid; grid-template-columns: 232px 1fr; min-height: 396px; }

.panel__side { border-right: 1px solid var(--line-2); background: #FBFDFD; padding: 20px 14px; }
.panel__side-title { font-size: 11px; letter-spacing: .16em; color: var(--muted); text-transform: uppercase; padding: 0 10px 12px; font-weight: 600; }
.agent-chip {
  display: flex; align-items: center; gap: 10px; padding: 10px 11px; border-radius: 11px;
  font-size: 13.5px; color: var(--text-2); margin-bottom: 5px; border: 1px solid transparent;
  transition: background .22s var(--ease), color .22s var(--ease);
}
.agent-chip__ico { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: var(--bg-mist); flex: none; }
.agent-chip__ico svg { width: 14px; height: 14px; stroke: var(--brand-deep); }
.agent-chip.is-on { background: #fff; border-color: var(--line); color: var(--ink); font-weight: 600; box-shadow: var(--shadow-xs); }
.agent-chip.is-on .agent-chip__ico { background: var(--brand-soft); }

.panel__main { padding: 24px 26px 28px; }
.panel__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line-2); }
.panel__title { font-size: 16.5px; font-weight: 650; color: var(--ink); }
.panel__meta { margin-top: 5px; font-size: 12.5px; color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 11px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--brand-soft); color: var(--brand-deep); flex: none; }
.pill--blue { background: var(--accent-soft); color: #094DE2; }
.pill__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.72); } }

.doc { padding-top: 20px; display: grid; gap: 9px; }
.doc__row { height: 9px; border-radius: 999px; background: linear-gradient(90deg, #EDF3F5, #F6FAFE); }
.doc__row.w-92 { width: 92%; } .doc__row.w-78 { width: 78%; } .doc__row.w-64 { width: 64%; } .doc__row.w-48 { width: 48%; }
.doc__row.hl { background: linear-gradient(90deg, rgba(72,127,248,.32), rgba(9,77,226,.24)); }
.doc__heading { display: flex; align-items: center; gap: 9px; margin: 8px 0 2px; }
.doc__heading i { width: 3px; height: 15px; border-radius: 2px; background: var(--grad); }
.doc__heading span { font-size: 13.5px; font-weight: 650; color: var(--ink); }
.doc__kv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.doc__kv div { border: 1px solid var(--line-2); border-radius: 11px; padding: 11px 13px; background: #FCFEFE; }
.doc__kv em { display: block; font-style: normal; font-size: 11.5px; color: var(--muted); margin-bottom: 3px; }
.doc__kv b { font-size: 15px; color: var(--ink); font-weight: 700; letter-spacing: -.02em; }

.panel__foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line-2); }
.progress { flex: 1; height: 6px; border-radius: 999px; background: var(--line-2); overflow: hidden; }
.progress i { display: block; height: 100%; width: 68%; border-radius: 999px; background: var(--grad); }
.panel__foot span { font-size: 12.5px; color: var(--muted); flex: none; }

/* ---------- 7. Marquee (合作伙伴) ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #FCFDFD; padding: 26px 0; overflow: hidden; }
.marquee__label { text-align: center; font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; font-weight: 600; }
.marquee__track { display: flex; gap: 62px; width: max-content; animation: slide 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span { font-size: 17px; font-weight: 600; color: #A9BAC2; letter-spacing: -.01em; white-space: nowrap; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 8. Cards / Grids ---------- */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 28px;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: #D5E2E7; box-shadow: var(--shadow); }
.card__ico {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: var(--brand-soft); margin-bottom: 20px;
}
.card__ico svg { width: 25px; height: 25px; stroke: var(--brand-deep); fill: none; stroke-width: 1.6; }
.card__ico--blue { background: var(--accent-soft); } .card__ico--blue svg { stroke: #094DE2; }
.card__ico--ink { background: #EDF1F3; } .card__ico--ink svg { stroke: var(--ink-2); }
.card__ico--amber { background: #DFE9FD; } .card__ico--amber svg { stroke: #1D61F6; }
.card h3 { font-size: 18.5px; margin-bottom: 11px; }
.card p { color: var(--text-2); font-size: 15px; line-height: 1.8; }
.card__tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: .06em; margin-bottom: 12px; }

/* 痛点卡 */
.pain { padding: 26px 24px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.pain__no { font-size: 12px; font-weight: 700; color: #C2D0D6; letter-spacing: .1em; }
.pain h4 { font-size: 17px; margin: 12px 0 8px; }
.pain p { font-size: 14.5px; color: var(--text-2); line-height: 1.78; }

/* 产品卡（大） */
.product {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; transition: box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.product:hover { box-shadow: var(--shadow); border-color: #D5E2E7; }
.product__body { padding: 44px 46px; }
.product__index { display: inline-flex; align-items: center; gap: 10px; font-size: 12.5px; font-weight: 700; letter-spacing: .14em; color: var(--brand-deep); text-transform: uppercase; }
.product__index i { width: 26px; height: 1.5px; background: var(--grad); display: block; }
.product h3 { font-size: clamp(21px, 2.2vw, 26px); margin: 16px 0 14px; }
.product__desc { color: var(--text-2); font-size: 15.5px; line-height: 1.85; }
.feat { display: grid; gap: 12px; margin: 26px 0 28px; }
.feat li { display: flex; gap: 11px; font-size: 14.8px; color: var(--text); line-height: 1.7; }
.feat li svg { width: 18px; height: 18px; flex: none; margin-top: 4px; stroke: var(--brand); fill: none; stroke-width: 2.2; }
.product__visual {
  position: relative; background: linear-gradient(150deg, #F2F7FE 0%, #EDF4F8 100%);
  border-left: 1px solid var(--line); padding: 40px 38px; display: flex; align-items: center; justify-content: center;
}
.product__visual::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(8,23,31,.055) 1px, transparent 1px);
  background-size: 18px 18px;
}
.mini {
  position: relative; width: 100%; max-width: 330px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm);
}
.mini__top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line-2); margin-bottom: 15px; }
.mini__top b { font-size: 13.5px; color: var(--ink); font-weight: 650; }
.mini__list { display: grid; gap: 11px; }
.mini__item { display: flex; align-items: center; gap: 11px; font-size: 13px; color: var(--text-2); }
.mini__item i { width: 20px; height: 20px; border-radius: 6px; background: var(--brand-soft); display: grid; place-items: center; flex: none; }
.mini__item i svg { width: 11px; height: 11px; stroke: var(--brand-deep); fill: none; stroke-width: 2.4; }
.bar { height: 6px; border-radius: 999px; background: var(--line-2); overflow: hidden; margin-top: 4px; }
.bar i { display: block; height: 100%; border-radius: 999px; background: var(--grad); }
.mini__stat { display: flex; gap: 18px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-2); }
.mini__stat div { flex: 1; }
.mini__stat em { font-style: normal; display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.mini__stat b { font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: -.03em; }

/* ---------- 8.5 产品矩阵（四品并列） ---------- */
.matrix { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: stretch; }
.mtile {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 24px; overflow: hidden;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s var(--ease);
}
.mtile::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--grad);
  transform: scaleX(0); transform-origin: left; transition: transform .42s var(--ease);
}
.mtile:hover { transform: translateY(-6px); border-color: #D5E2E7; box-shadow: var(--shadow); }
.mtile:hover::before { transform: scaleX(1); }
.mtile__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.mtile__no { font-size: 26px; font-weight: 700; letter-spacing: -.04em; color: #E1E9ED; line-height: 1; }
.mtile__ico { width: 40px; height: 40px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; flex: none; }
.mtile__ico svg { width: 20px; height: 20px; stroke: var(--brand-deep); fill: none; stroke-width: 1.7; }
.mtile h3 { font-size: 17px; line-height: 1.45; margin-bottom: 10px; }
.mtile__pos { font-size: 13.8px; color: var(--text-2); line-height: 1.78; }
.mtile__feat { display: grid; gap: 9px; margin: 16px 0 18px; padding-top: 16px; border-top: 1px dashed var(--line); }
.mtile__feat li { position: relative; padding-left: 15px; font-size: 13.2px; color: var(--text); line-height: 1.65; }
.mtile__feat li::before { content: ""; position: absolute; left: 0; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); opacity: .55; }
.mtile__stat { display: flex; gap: 12px; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line-2); }
.mtile__stat div { flex: 1; min-width: 0; }
.mtile__stat em { font-style: normal; display: block; font-size: 10.5px; color: var(--muted); margin-bottom: 2px; white-space: nowrap; }
.mtile__stat b { font-size: 15.5px; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
.mtile__link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 13.5px; font-weight: 600; color: var(--brand-deep); }
.mtile__link svg { width: 14px; height: 14px; flex: none; transition: transform .25s var(--ease); }
.mtile__link:hover svg { transform: translateX(4px); }

/* ---------- 9. Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
.step { position: relative; padding-top: 6px; }
.step__no {
  width: 46px; height: 46px; border-radius: 14px; background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 17px; font-weight: 700; color: var(--brand-deep);
  box-shadow: var(--shadow-xs); margin-bottom: 22px; position: relative; z-index: 1;
}
.step__line { position: absolute; top: 29px; left: 60px; right: -24px; height: 1.5px; background: linear-gradient(90deg, var(--line), transparent); }
.step:last-child .step__line { display: none; }
.step h3 { font-size: 18px; margin-bottom: 10px; }
.step p { font-size: 15px; color: var(--text-2); }

/* ---------- 10. Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { background: #fff; padding: 34px 26px; text-align: center; }
.stat b { display: block; font-size: clamp(30px, 3.6vw, 42px); font-weight: 700; letter-spacing: -.04em; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.1; }
.stat span { display: block; margin-top: 10px; font-size: 14.5px; color: var(--text-2); }

/* ---------- 11. Split content ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split--wide { grid-template-columns: .9fr 1.1fr; }
.split__media { position: relative; }
.figure {
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line);
  background: linear-gradient(150deg, #F3F8FE, #EBF2FD); padding: 34px; box-shadow: var(--shadow-sm);
}
.figure__grid { display: grid; gap: 14px; }
.figure__row { display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 15px 17px; }
.figure__row i { width: 34px; height: 34px; border-radius: 10px; background: var(--brand-soft); display: grid; place-items: center; flex: none; }
.figure__row i svg { width: 16px; height: 16px; stroke: var(--brand-deep); fill: none; stroke-width: 1.8; }
.figure__row div { flex: 1; }
.figure__row b { display: block; font-size: 14.5px; color: var(--ink); }
.figure__row em { font-style: normal; font-size: 12.5px; color: var(--muted); }

/* ---------- 12. Feature list (为什么选择我们) ---------- */
.claims { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.claim { display: flex; gap: 16px; padding: 26px 26px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); transition: border-color .3s var(--ease), transform .3s var(--ease); }
.claim:hover { border-color: #CFE0E5; transform: translateY(-3px); }
.claim__ico { width: 42px; height: 42px; border-radius: 12px; background: var(--grad); display: grid; place-items: center; flex: none; box-shadow: 0 8px 18px -10px rgba(72,127,248,.8); }
.claim__ico svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 1.8; }
.claim h4 { font-size: 17px; margin-bottom: 8px; }
.claim p { font-size: 14.8px; color: var(--text-2); line-height: 1.78; }

/* ---------- 13. CTA ---------- */
.cta { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: 72px 60px; background: var(--ink); text-align: center; }
.cta::before, .cta::after { content: ""; position: absolute; border-radius: 50%; filter: blur(70px); }
.cta::before { width: 460px; height: 460px; top: -220px; left: -60px; background: rgba(72,127,248,.4); }
.cta::after { width: 480px; height: 480px; bottom: -260px; right: -80px; background: rgba(9,77,226,.42); }
.cta > * { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(26px, 3.2vw, 38px); color: #fff; }
.cta p { margin: 18px auto 0; max-width: 600px; color: #A9BCC4; font-size: 16.5px; line-height: 1.8; }
.cta__btns { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 14. Page hero (内页) ---------- */
.page-head { position: relative; padding: calc(var(--nav-h) + 76px) 0 76px; overflow: hidden; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.page-head__bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(8,23,31,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(8,23,31,.04) 1px, transparent 1px); background-size: 64px 64px; -webkit-mask-image: radial-gradient(ellipse 70% 100% at 30% 0%, #000, transparent 75%); mask-image: radial-gradient(ellipse 70% 100% at 30% 0%, #000, transparent 75%); }
.page-head__glow { position: absolute; width: 540px; height: 540px; top: -300px; right: -140px; border-radius: 50%; background: radial-gradient(circle, rgba(72,127,248,.3), transparent 70%); filter: blur(70px); }
.page-head__inner { position: relative; z-index: 1; }
.page-head h1 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.03em; }
.page-head p { margin-top: 20px; max-width: 700px; color: var(--text-2); font-size: 17px; line-height: 1.85; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); margin-bottom: 20px; }
.crumb a:hover { color: var(--brand-deep); }
.crumb span { color: #C9D6DC; }

/* ---------- 15. Timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1.5px; background: linear-gradient(180deg, #487FF8, rgba(9,77,226,.28), transparent); }
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -34px; top: 7px; width: 13px; height: 13px; border-radius: 50%; background: #fff; border: 2.5px solid var(--brand); box-shadow: 0 0 0 4px rgba(72,127,248,.12); }
.tl-item__year { font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--brand-deep); }
.tl-item h4 { font-size: 17.5px; margin: 8px 0 8px; }
.tl-item p { font-size: 15px; color: var(--text-2); line-height: 1.8; }

/* ---------- 16. Values ---------- */
.value { text-align: center; padding: 34px 24px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.value__ico { width: 54px; height: 54px; border-radius: 16px; background: var(--brand-soft); display: grid; place-items: center; margin: 0 auto 20px; }
.value__ico svg { width: 26px; height: 26px; stroke: var(--brand-deep); fill: none; stroke-width: 1.6; }
.value h4 { font-size: 18px; margin-bottom: 10px; }
.value p { font-size: 14.8px; color: var(--text-2); line-height: 1.8; }

/* ---------- 17. Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: stretch; }
.contact-grid > div:first-child { display: flex; flex-direction: column; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.side-note {
  flex: 1; margin-top: 20px; display: flex; flex-direction: column; justify-content: center; gap: 13px;
  background: linear-gradient(160deg, #EEF4FF, #F7FAFF); border: 1px solid #DCE7FC; border-radius: var(--radius);
  padding: 26px 28px;
}
.side-note h4 { font-size: 15.5px; margin: 0; }
.side-note p { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--text-2); line-height: 1.65; margin: 0; }
.side-note p svg { width: 16px; height: 16px; stroke: var(--brand); fill: none; stroke-width: 2.4; flex: none; margin-top: 3px; stroke-linecap: round; stroke-linejoin: round; }
.info-item { display: flex; align-items: center; gap: 15px; padding: 17px 0; border-bottom: 1px solid var(--line-2); }
.info-item:last-child { border-bottom: 0; padding-bottom: 0; }
.info-item:first-child { padding-top: 0; }
.info-item__ico { width: 40px; height: 40px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; flex: none; }
.info-item__ico svg { width: 19px; height: 19px; stroke: var(--brand-deep); fill: none; stroke-width: 1.7; }
.info-item em { font-style: normal; display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 3px; }
.info-item b { font-size: 15.5px; color: var(--ink); font-weight: 600; line-height: 1.6; }
.info-item b a:hover { color: var(--brand-deep); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px 38px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 9px; }
.field label i { font-style: normal; color: #D64545; margin-left: 3px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: #FCFDFD; font-size: 15px;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
}
.field textarea { min-height: 128px; resize: vertical; line-height: 1.7; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand); background: #fff;
  box-shadow: 0 0 0 4px rgba(72,127,248,.1);
}
.field input::placeholder, .field textarea::placeholder { color: #A9B8C0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { margin-top: 16px; font-size: 13px; color: var(--muted); line-height: 1.7; }
.form-ok {
  display: none; align-items: center; gap: 10px; margin-top: 18px; padding: 13px 16px;
  border-radius: var(--radius-sm); background: var(--brand-soft); color: var(--brand-deep);
  font-size: 14.5px; font-weight: 600; border: 1px solid rgba(72,127,248,.2);
}
.form-ok.is-show { display: flex; }
.form-ok svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 2.4; flex: none; }

.service-opt { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
label.opt {
  position: relative; display: flex; align-items: center; gap: 10px; padding: 11px 14px;
  border: 1px solid #E3ECF2; border-radius: 12px; font-size: 13.5px; color: var(--text-2); line-height: 1.4; font-weight: 500;
  cursor: pointer; transition: border-color .22s var(--ease), background .22s var(--ease), color .22s var(--ease);
  background: #F9FBFD;
}
.opt:hover { border-color: #C9DAF6; background: #F4F8FE; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt__box { width: 17px; height: 17px; border-radius: 6px; border: 1.5px solid #C6D4DA; flex: none; display: grid; place-items: center; transition: all .2s var(--ease); background: #fff; }
.opt__box svg { width: 11px; height: 11px; stroke: #fff; fill: none; stroke-width: 3; opacity: 0; }
.opt:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-deep); font-weight: 600; }
.opt:has(input:checked) .opt__box { background: var(--brand); border-color: var(--brand); }
.opt:has(input:checked) .opt__box svg { opacity: 1; }

/* ---------- 18. FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 4px; text-align: left; font-size: 17px; font-weight: 600; color: var(--ink); transition: color .22s var(--ease); }
.faq__q:hover { color: var(--brand-deep); }
.faq__q i { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; flex: none; transition: all .3s var(--ease); }
.faq__q i svg { width: 13px; height: 13px; stroke: var(--text-2); fill: none; stroke-width: 2.2; transition: transform .3s var(--ease); }
.faq__item.is-open .faq__q i { background: var(--brand); border-color: var(--brand); }
.faq__item.is-open .faq__q i svg { stroke: #fff; transform: rotate(180deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq__a p { padding: 0 4px 26px; color: var(--text-2); font-size: 15.5px; line-height: 1.85; max-width: 900px; }

/* ---------- 19. Footer ---------- */
.footer { background: var(--ink); color: #93A7B0; padding: 76px 0 34px; }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 46px; padding-bottom: 52px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer .brand__name { color: #fff; }
.footer .brand__sub { color: #7A909A; }
.footer__about { margin-top: 22px; font-size: 14.5px; line-height: 1.85; color: #93A7B0; max-width: 330px; }
.footer h5 { color: #fff; font-size: 14.5px; font-weight: 650; letter-spacing: .04em; margin-bottom: 20px; }
.footer__links li + li { margin-top: 12px; }
.footer__links a { font-size: 14.5px; color: #93A7B0; transition: color .22s var(--ease); }
.footer__links a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 10px; font-size: 14.5px; line-height: 1.75; }
.footer__contact li + li { margin-top: 13px; }
.footer__contact svg { width: 16px; height: 16px; stroke: #5F7A85; fill: none; stroke-width: 1.7; flex: none; margin-top: 5px; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 28px; font-size: 13.5px; color: #6E848E; flex-wrap: wrap; }
.footer__bottom a:hover { color: #fff; }
.footer__legal { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- 19b. 使命与愿景（全宽深蓝面板，双愿景并排） ---------- */
.mv {
  display: block;
  border-radius: 20px; overflow: hidden;
  box-shadow: 0 24px 60px -28px rgba(9, 40, 110, .35);
}
.mv__left {
  padding: 46px 48px 50px;
  background:
    radial-gradient(520px 300px at 88% -10%, rgba(72, 127, 248, .28), transparent 62%),
    radial-gradient(380px 260px at -6% 108%, rgba(29, 97, 246, .18), transparent 60%),
    linear-gradient(150deg, #0C1730 0%, #0E1E42 58%, #10265A 100%);
  color: #EAF1FF;
}
.mv__title {
  display: flex; align-items: center; gap: 12px;
  margin: 0 0 30px; font-size: 26px; color: #fff; letter-spacing: .02em;
}
.mv__title i { width: 22px; height: 6px; border-radius: 3px; background: linear-gradient(90deg, #487FF8, #6C98F9); flex: none; }
.mv__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.mv__cols .mv__group + .mv__group { margin-top: 0; }
@media (max-width: 860px) {
  .mv__cols { grid-template-columns: 1fr; gap: 30px; }
}
.mv__group + .mv__group { margin-top: 26px; }
.mv__group h3 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 12px; font-size: 17.5px; color: #fff; }
.mv__group h3 span { font-size: 12.5px; font-weight: 600; color: #9DBBF7; letter-spacing: .06em; }
.mv__group ul { margin: 0; padding: 0; list-style: none; }
.mv__group li {
  position: relative; padding-left: 18px;
  font-size: 14px; line-height: 1.85; color: #C6D6F5;
}
.mv__group li + li { margin-top: 6px; }
.mv__group li::before {
  content: ""; position: absolute; left: 2px; top: .78em;
  width: 6px; height: 6px; border-radius: 50%;
  background: #6C98F9;
}

.mv__right {
  position: relative; display: flex; flex-direction: column; justify-content: center;
  padding: 46px 40px;
  background:
    radial-gradient(300px 200px at 110% 0%, rgba(255, 255, 255, .14), transparent 60%),
    linear-gradient(165deg, #2F7BFA 0%, #1D61F6 62%, #1856E0 100%);
  color: #fff;
}
.mv__brand {
  position: absolute; top: 26px; right: 28px;
  font-size: 15px; font-weight: 800; letter-spacing: .04em; color: rgba(255, 255, 255, .92);
}
.mv__brand sup { font-size: 9px; font-weight: 700; }
.mv__quotemark { width: 42px; height: 42px; margin-bottom: 18px; color: rgba(255, 255, 255, .85); }
.mv__quotemark svg { width: 100%; height: 100%; }
.mv__mission-t { margin: 0 0 12px; font-size: 21px; letter-spacing: .02em; }
.mv__mission { margin: 0; font-size: 15.5px; line-height: 2; color: rgba(255, 255, 255, .94); }
.mv__mission b { font-weight: 800; color: #fff; text-decoration: underline; text-decoration-color: rgba(255,255,255,.45); text-underline-offset: 5px; }

.mv__vals {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  margin-top: 22px; padding: 18px 28px;
  background: #fff; border: 1px solid #E4EBF7; border-radius: 14px;
}
.mv__vals-label {
  flex: none; padding: 4px 12px; border-radius: 999px;
  background: #EAF1FE; color: #1D61F6; font-size: 13px; font-weight: 700;
}
.mv__vals p { margin: 0; font-size: 14.5px; color: var(--text-1); letter-spacing: .04em; }

@media (max-width: 900px) {
  .mv { grid-template-columns: 1fr; }
  .mv__left { padding: 34px 26px 36px; }
  .mv__right { padding: 40px 26px 42px; }
  .mv__brand { top: 20px; right: 22px; }
}
@media (max-width: 480px) {
  .mv__title { font-size: 22px; }
  .mv__group li { font-size: 13.5px; }
  .mv__mission { font-size: 14.5px; }
}

/* 段落内不换行片段（防止末行孤字） */
.nw { white-space: nowrap; }

/* ---------- 19c. 中文排版：避免末行孤字（孤字换行） ---------- */
/* 标题类：均衡分行，不再出现最后一个字单独成行 */
h1, h2, h3, h4,
.section-title, .adv-band__title, .mv__title, .mv__mission-t,
.hero2__title, .page-hero__title, .card__title, .pcard__title, .eyebrow {
  text-wrap: balance;
}
/* 正文/列表类：自动避免末行孤字（尽量调整前面的断点） */
p, li, em, b, .lead, .mv__mission, .mv__group li, .advgrid__col p {
  text-wrap: pretty;
}
/* 兜底：不支持上述属性的旧浏览器保持原行为 */
@supports not (text-wrap: pretty) {
  .mv__vals p { white-space: nowrap; }
}

/* ---------- 20. Reveal animation ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .75s var(--ease), transform .75s var(--ease); will-change: opacity, transform; }
.js [data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .marquee__track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 21. Responsive ---------- */
@media (max-width: 1080px) {
  .nav__menu { display: none; }
  .nav__burger { display: grid; }
  .nav__mobile { display: block; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer__col--brand { grid-column: 1 / -1; }
  .panel__body { grid-template-columns: 190px 1fr; }
  .split { gap: 48px; }
}
@media (max-width: 900px) {
  .section { padding: 84px 0; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .matrix { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .step__line { display: none; }
  .product { grid-template-columns: 1fr; }
  .product__visual { border-left: 0; border-top: 1px solid var(--line); padding: 36px 30px; }
  .product__body { padding: 36px 32px; }
  .split, .split--wide, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .claims { grid-template-columns: 1fr; }
  .cta { padding: 56px 32px; }
  .panel__body { grid-template-columns: 1fr; }
  .panel__side { border-right: 0; border-bottom: 1px solid var(--line-2); display: flex; gap: 8px; overflow-x: auto; padding: 14px; }
  .panel__side-title { display: none; }
  .agent-chip { margin-bottom: 0; white-space: nowrap; flex: none; }
  .hero { padding-top: calc(var(--nav-h) + 64px); }
  .page-head { padding: calc(var(--nav-h) + 56px) 0 56px; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section { padding: 68px 0; }
  .grid--2, .grid--3, .grid--4, .matrix { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .field-row, .service-opt { grid-template-columns: 1fr; }
  .hero__cta .btn, .cta__btns .btn { width: 100%; }
  .doc__kv { grid-template-columns: 1fr 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .form-card { padding: 30px 22px; }
  .card { padding: 26px 22px; }
  .panel__main { padding: 20px 18px 24px; }
  .cta { padding: 46px 24px; }
  .brand__sub { display: none; }
}

/* ==========================================================================
   22. 精简版组件 — 低文字密度、以图形与关键词承载信息
   ========================================================================== */

/* 短句导语 */
.lead { color: var(--text-2); font-size: 17px; line-height: 1.8; max-width: 640px; }
.section-head .lead { margin: 16px auto 0; }
.section-head--left .lead { margin-left: 0; }
.page-head .lead { margin-top: 18px; }

/* 关键词胶囊 */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px; border-radius: 999px; font-size: 13px; line-height: 1.55;
  color: var(--text-2); background: var(--bg-soft); border: 1px solid var(--line-2);
  white-space: nowrap;
}
.chip--brand { background: var(--brand-soft); border-color: rgba(72,127,248,.18); color: var(--brand-deep); font-weight: 600; }
.chip svg { width: 13px; height: 13px; stroke: var(--brand); fill: none; stroke-width: 2.4; flex: none; }

/* 图标方块 */
.ico-box {
  width: 46px; height: 46px; border-radius: 14px; flex: none;
  background: var(--brand-soft); display: grid; place-items: center;
}
.ico-box svg { width: 22px; height: 22px; stroke: var(--brand-deep); fill: none; stroke-width: 1.7; }
.ico-box--grad { background: var(--grad); box-shadow: 0 10px 20px -12px rgba(72,127,248,.85); }
.ico-box--grad svg { stroke: #fff; }
.ico-box--sm { width: 42px; height: 42px; border-radius: 13px; }
.ico-box--sm svg { width: 19px; height: 19px; }
.ico-box--ink { background: rgba(255,255,255,.09); }
.ico-box--ink svg { stroke: #fff; }

/* 痛点卡 / 流程卡（精简） */
.pain {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.pain:hover { transform: translateY(-4px); border-color: #D5E2E7; box-shadow: var(--shadow-sm); }
.pain__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.pain h4 { font-size: 17px; margin: 0 0 14px; }
.pain p { font-size: 14.5px; color: var(--text-2); line-height: 1.78; }
.pain .chips { margin-top: auto; }

/* 首页产品卡（四列精简） */
.ptiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: stretch; }
.ptile {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px 24px;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s var(--ease);
}
.ptile::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .42s var(--ease); }
.ptile:hover { transform: translateY(-6px); border-color: #D5E2E7; box-shadow: var(--shadow); }
.ptile:hover::before { transform: scaleX(1); }
.ptile__ico { width: 48px; height: 48px; border-radius: 15px; background: var(--brand-soft); display: grid; place-items: center; margin-bottom: 18px; }
.ptile__ico svg { width: 24px; height: 24px; stroke: var(--brand-deep); fill: none; stroke-width: 1.7; }
.ptile__ico--blue { background: var(--accent-soft); } .ptile__ico--blue svg { stroke: #094DE2; }
.ptile__ico--amber { background: #DFE9FD; } .ptile__ico--amber svg { stroke: #1D61F6; }
.ptile h3 { font-size: 17px; line-height: 1.5; margin-bottom: 8px; }
.ptile__line { font-size: 13.5px; color: var(--text-2); line-height: 1.7; }
.ptile .chips { margin: 16px 0 20px; }
.ptile .chip { background: #fff; }
.ptile__link { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--brand-deep); }
.ptile__link svg { width: 14px; height: 14px; flex: none; stroke: currentColor; fill: none; stroke-width: 2.2; transition: transform .25s var(--ease); }
.ptile:hover .ptile__link svg { transform: translateX(4px); }

/* 优势卡（图标在上，一行说明） */
.claim--stack { display: block; }
.claim--stack h4 { margin: 18px 0 8px; }
.claim--stack p { font-size: 14px; }
.claims--3 { grid-template-columns: repeat(3, 1fr); }

/* 产品详情：能力胶囊 + 输出物 */
.feat--chips { display: flex; flex-wrap: wrap; gap: 9px; margin: 24px 0 22px; }
.feat--chips li {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: 999px; font-size: 13.5px;
  background: var(--bg-soft); border: 1px solid var(--line-2); color: var(--text);
}
.feat--chips li svg { width: 14px; height: 14px; stroke: var(--brand); fill: none; stroke-width: 2.4; flex: none; }
.outputs { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; flex-wrap: wrap; }
.outputs > span { font-size: 12.5px; letter-spacing: .12em; font-weight: 700; color: var(--muted); }
.outputs .chip { background: var(--brand-soft); border-color: rgba(72,127,248,.18); color: var(--brand-deep); font-weight: 600; }

@media (max-width: 1080px) {
  .ptiles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .claims--3 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ptiles, .claims--3 { grid-template-columns: 1fr; }
  .chips { gap: 7px; }
}

/* ==========================================================================
   23. 云境式首页 — 浅色渐变打底 / 大黑字 / 关键词交替排 / 模拟界面图
   ========================================================================== */

/* --- Hero --- */
.hero2 {
  position: relative; overflow: hidden;
  padding: calc(var(--nav-h) + 72px) 0 96px;
  background: linear-gradient(168deg, #DEE9FB 0%, #EFF5FE 44%, #FFFFFF 100%);
}
.hero2::before, .hero2::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none;
}
.hero2::before { width: 560px; height: 560px; top: -260px; right: -120px; background: radial-gradient(circle, rgba(72,127,248,.28), transparent 68%); }
.hero2::after { width: 460px; height: 460px; bottom: -260px; left: -160px; background: radial-gradient(circle, rgba(9,77,226,.24), transparent 68%); }
.hero2__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.02fr .98fr; gap: 48px; align-items: center;
}
.hero2 h1 { font-size: clamp(36px, 4.8vw, 58px); font-weight: 700; letter-spacing: -.035em; line-height: 1.16; }
.hero2__pill {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 22px; padding: 9px 20px; border-radius: 999px;
  background: var(--grad); color: #fff; font-size: 15px; font-weight: 600;
  box-shadow: 0 12px 26px -12px rgba(72,127,248,.6);
}
.hero2__desc { margin-top: 18px; font-size: 16.5px; color: var(--text-2); }
.hero2__cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero2__note {
  margin-top: 22px; font-size: 14px; color: var(--text-2);
  display: flex; align-items: center; gap: 8px;
}
.hero2__note::before {
  content: ""; display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: #1D61F6;
  box-shadow: 0 0 0 4px rgba(29,97,246,.18);
}
.hero2__trust {
  margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px 14px;
}
.hero2__trust li {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-2); font-weight: 500;
}
.hero2__trust i {
  width: 16px; height: 16px; border-radius: 50%;
  background: linear-gradient(135deg, #6C98F9, #487FF8);
  color: #fff;
  display: inline-grid; place-items: center;
  font-size: 9px; font-weight: 800; font-style: normal;
}

/* Hero 右侧模拟界面 */
.mockwrap { position: relative; z-index: 1; }
.mockcard {
  position: relative; margin-left: auto; max-width: 480px;
  background: #fff; border: 1px solid #DFEBF5; border-radius: 20px;
  box-shadow: 0 30px 70px -30px rgba(9, 62, 108, .28);
  padding: 20px 22px 22px;
}
.mockcard__bar { display: flex; align-items: center; gap: 7px; padding-bottom: 14px; border-bottom: 1px solid var(--line-2); }
.mockcard__bar i { width: 9px; height: 9px; border-radius: 50%; background: #E2ECF4; }
.mockcard__bar b { margin-left: 8px; font-size: 13.5px; color: var(--ink); font-weight: 650; }
.mockcard__bar .pill { margin-left: auto; }
.mockcard .doc { padding-top: 16px; }
.mockcard .panel__foot { margin-top: 16px; padding-top: 14px; }

.float-card {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid #E0ECF6; border-radius: 14px;
  box-shadow: 0 18px 40px -18px rgba(9, 62, 108, .3);
  padding: 12px 16px; font-size: 13px; font-weight: 600; color: var(--ink);
  animation: floaty 5.2s ease-in-out infinite;
}
.float-card svg { width: 18px; height: 18px; flex: none; stroke: var(--brand); fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.float-card em { font-style: normal; display: block; font-size: 11px; font-weight: 500; color: var(--muted); margin-top: 1px; }
.float-card--1 { top: -3%; left: -7%; }
.float-card--2 { bottom: -4%; right: -2%; animation-delay: -2.6s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .float-card { animation: none; } }

/* --- 痛点（浅色卡 + 小模拟图） --- */
.vex { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.vcard {
  display: flex; flex-direction: column;
  background: linear-gradient(165deg, #E7F0FD 0%, #F6FAFF 100%);
  border: 1px solid #DCE7FC; border-radius: 20px; padding: 26px 24px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.vcard:hover { transform: translateY(-5px); box-shadow: 0 20px 44px -22px rgba(9,62,108,.22); }
.vcard__mock {
  background: #fff; border-radius: 14px; padding: 18px 17px;
  box-shadow: 0 10px 24px -14px rgba(9,62,108,.2); min-height: 158px;
  display: flex; flex-direction: column; gap: 10px; flex: 1;
}
.vcard__mock > b { font-size: 12.5px; color: var(--ink); font-weight: 650; }
.vcard__mock .doc__row { height: 7px; flex: none; }
.vcard__mock .doc__kv { margin-top: auto; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.vcard__mock .doc__kv div { padding: 8px 10px; border-radius: 9px; }
.vcard__mock .doc__kv b { font-size: 12px; white-space: nowrap; }
.vcard__mock .doc__kv em { font-size: 10px; white-space: nowrap; }
.vcard h4 { margin-top: 18px; text-align: center; font-size: 16.5px; }

/* --- 优势交替排 --- */
.adv-band { padding: 96px 0 40px; }
.adv-band__title { text-align: center; font-size: clamp(26px, 3vw, 36px); margin-bottom: 12px; }
.adv-band__sub { text-align: center; color: var(--text-2); font-size: 15.5px; margin-bottom: 54px; }

/* --- 优势四列（网格式，参考易标AI版式，配色与内容自研） --- */
.advgrid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #E4EBF7;
  border-bottom: 1px solid #E4EBF7;
}
.advgrid__col {
  display: flex; flex-direction: column;
  padding: 30px 26px 34px;
  border-right: 1px solid #E4EBF7;
}
.advgrid__col:last-child { border-right: 0; }

.advgrid__demo {
  height: 186px; border-radius: 16px; margin-bottom: 24px;
  background: linear-gradient(160deg, #EDF4FE 0%, #F8FBFF 100%);
  display: grid; place-items: center; overflow: hidden;
}
.advgrid__demo svg { display: block; width: 100%; height: 100%; }

.advgrid__num {
  display: flex; align-items: baseline; gap: 3px;
  font-size: 40px; font-weight: 800; letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(100deg, #1D61F6, #487FF8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.advgrid__num small { font-size: 17px; font-weight: 700; letter-spacing: 0; }
.advgrid__col h3 { margin-top: 13px; font-size: 17px; }
.advgrid__col p { margin-top: 9px; font-size: 13.5px; line-height: 1.72; color: var(--text-2); }

@supports not (-webkit-background-clip: text) {
  .advgrid__num { background: none; -webkit-text-fill-color: #1D61F6; color: #1D61F6; }
}

@media (max-width: 1080px) {
  .advgrid { grid-template-columns: repeat(2, 1fr); }
  .advgrid__col:nth-child(2n) { border-right: 0; }
  .advgrid__col:nth-child(-n+2) { border-bottom: 1px solid #E4EBF7; }
}
@media (max-width: 640px) {
  .advgrid { grid-template-columns: 1fr; }
  .advgrid__col { border-right: 0; border-bottom: 1px solid #E4EBF7; padding: 26px 20px 30px; }
  .advgrid__col:last-child { border-bottom: 0; }
  .advgrid__col:nth-child(-n+2) { border-bottom: 1px solid #E4EBF7; }
  .advgrid__demo { height: 168px; margin-bottom: 20px; }
  .advgrid__num { font-size: 34px; }
}

.adv {
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center;
  padding: 58px 0;
}
.adv--rev .adv__text { order: 2; }
.adv--rev .adv__stage { order: 1; }
.adv__kw {
  display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 800;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -.02em; line-height: 1.2;
}
.adv h3 { font-size: clamp(21px, 2.2vw, 28px); margin-top: 10px; letter-spacing: -.02em; }
.adv__line { margin-top: 12px; font-size: 15.5px; color: var(--text-2); }
.checks { margin-top: 24px; display: grid; gap: 13px; }
.checks li { display: flex; align-items: center; gap: 11px; font-size: 15px; color: var(--text); font-weight: 500; }
.checks li svg { width: 19px; height: 19px; flex: none; stroke: var(--brand); fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.adv__stage {
  background: linear-gradient(155deg, #E6EFFD 0%, #F3F8FE 100%);
  border: 1px solid #DCE7FC; border-radius: 26px;
  padding: 44px 40px; display: grid; place-items: center;
}
.adv__stage .mini { max-width: 360px; box-shadow: 0 24px 56px -24px rgba(9,62,108,.26); }

/* --- 浅色 CTA --- */
.cta--light {
  position: relative; overflow: hidden; text-align: center;
  border-radius: var(--radius-lg); padding: 72px 60px;
  background: linear-gradient(150deg, #DFEAFB 0%, #F1F6FE 68%, #FDFEFF 100%);
  border: 1px solid #DEEBF7;
}
.cta--light h2 { font-size: clamp(26px, 3.2vw, 38px); color: var(--ink); }
.cta--light p { margin: 16px auto 0; max-width: 560px; color: var(--text-2); font-size: 16.5px; }

@media (max-width: 1080px) {
  .hero2__inner { gap: 36px; }
  .adv { gap: 44px; }
  .float-card--1 { left: 0; }
}
@media (max-width: 900px) {
  .hero2 { padding: calc(var(--nav-h) + 52px) 0 72px; }
  .hero2__inner { grid-template-columns: 1fr; }
  .mockwrap { max-width: 520px; margin: 0 auto; }
  .vex { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .adv { grid-template-columns: 1fr; gap: 30px; padding: 44px 0; }
  .adv--rev .adv__text { order: 1; }
  .adv--rev .adv__stage { order: 2; }
  .adv-band { padding: 72px 0 16px; }
  .cta--light { padding: 52px 30px; }
}
@media (max-width: 640px) {
  .vex { grid-template-columns: 1fr; }
  .hero2__cta .btn { width: 100%; }
  .float-card--1 { top: -4%; }
  .float-card--2 { bottom: -6%; }
}

/* ---------- 24. 生态共创滚动板块 ---------- */
.eco { padding: 96px 0 30px; overflow: hidden; }
.eco__title { text-align: center; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.02em; margin-bottom: 14px; }
.eco__sub { text-align: center; color: var(--muted); font-size: 15.5px; margin-bottom: 54px; }

.eco-row { position: relative; max-width: 1200px; margin: 0 auto 22px; }
.eco-row:last-child { margin-bottom: 0; }
.eco-row::before, .eco-row::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 110px; z-index: 2; pointer-events: none;
}
.eco-row::before { left: 0; background: linear-gradient(90deg, #FFFFFF 10%, rgba(247,250,252,0)); }
.eco-row::after  { right: 0; background: linear-gradient(270deg, #FFFFFF 10%, rgba(247,250,252,0)); }

.eco-track { display: flex; gap: 18px; width: max-content; animation: eco-slide 36s linear infinite; }
.eco-row--rev .eco-track { animation: eco-slide-rev 40s linear infinite; }
.eco-row--slow .eco-track { animation-duration: 46s; }
.eco-row:hover .eco-track { animation-play-state: paused; }

.eco-pill {
  display: inline-flex; align-items: center; gap: 9px;
  background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 13px 26px;
  font-size: 15.5px; font-weight: 600; color: var(--ink); white-space: nowrap;
  box-shadow: 0 2px 10px rgba(8,23,31,.05);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.eco-pill:hover { transform: translateY(-3px); border-color: rgba(72,127,248,.4); box-shadow: 0 8px 22px rgba(72,127,248,.12); }
.eco-pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); flex: none; }
.eco-pill--g i { background: #094DE2; }
.eco-pill--b i { background: #1D61F6; }
.eco-pill--a i { background: #487FF8; }

@keyframes eco-slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes eco-slide-rev { from { transform: translateX(-50%); } to { transform: translateX(0); } }

@media (prefers-reduced-motion: reduce) {
  .eco-track { animation: none; }
}
@media (max-width: 640px) {
  .eco { padding: 68px 0 20px; }
  .eco-row { margin-bottom: 14px; }
  .eco-pill { padding: 10px 18px; font-size: 13.5px; }
  .eco-row::before, .eco-row::after { width: 56px; }
}

/* ---------- 25. 产品四列渐变卡（对标标大师） ---------- */
.pband { padding: 96px 0; }
.pband__title { text-align: center; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.02em; margin-bottom: 58px; }

.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }

.pcard {
  display: flex; flex-direction: column;
  background: linear-gradient(158deg, #6C98F9 0%, #487FF8 55%, #1D61F6 100%);
  border-radius: 20px; padding: 26px 22px 22px; color: #fff;
  box-shadow: 0 16px 38px -14px rgba(9,77,226,.52);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  overflow: hidden; position: relative;
}
.pcard::after {
  content: ""; position: absolute; right: -46px; top: -46px; width: 150px; height: 150px;
  border-radius: 50%; background: rgba(255,255,255,.09); pointer-events: none;
}
.pcard:hover { transform: translateY(-6px); box-shadow: 0 26px 52px -14px rgba(9,77,226,.58); }

.pcard__ico {
  width: 42px; height: 42px; border-radius: 12px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28);
  display: grid; place-items: center; margin-bottom: 16px;
}
.pcard__ico svg { width: 21px; height: 21px; stroke: #fff; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.pcard h3 { font-size: 17.5px; letter-spacing: -.01em; margin-bottom: 10px; }
.pcard__desc { font-size: 14px; line-height: 1.65; color: rgba(255,255,255,.86); margin-bottom: 20px; }

.pcard__mock {
  background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.22);
  border-radius: 12px; padding: 14px; margin: auto 0 20px;
  display: flex; flex-direction: column; gap: 9px; backdrop-filter: blur(2px);
}
.pcard__mock b { font-size: 12px; color: rgba(255,255,255,.92); font-weight: 600; }
.pcard__mock .row { height: 7px; border-radius: 4px; background: rgba(255,255,255,.32); }
.pcard__mock .row.hl { background: rgba(255,255,255,.62); }
.pcard__kv { display: flex; gap: 8px; margin-top: 2px; }
.pcard__kv div {
  flex: 1; background: rgba(255,255,255,.15); border-radius: 8px;
  padding: 7px 9px; display: flex; flex-direction: column; gap: 2px;
}
.pcard__kv em { font-style: normal; font-size: 10px; color: rgba(255,255,255,.68); }
.pcard__kv b { font-size: 12.5px; }

.pcard__foot { display: flex; align-items: center; gap: 16px; }
.pcard__use {
  background: #fff; color: #094DE2; font-size: 13.5px; font-weight: 600;
  padding: 9px 18px; border-radius: 999px; white-space: nowrap;
  transition: transform .25s, box-shadow .25s;
}
.pcard__use:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(4,40,66,.28); }
.pcard__more {
  color: rgba(255,255,255,.92); font-size: 13.5px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
}
.pcard__more svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s; }
.pcard__more:hover svg { transform: translateX(3px); }

@media (max-width: 1080px) {
  .pgrid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .pband { padding: 68px 0; }
  .pband__title { margin-bottom: 36px; }
  .pgrid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   26. 品牌渐变强化 —— #487FF8 → #094DE2
   ========================================================================== */

/* 导航：滚动后顶部浮现一条品牌渐变线 */
.nav::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--grad-line); opacity: 0;
  transition: opacity .35s var(--ease);
}
.nav.is-scrolled::before { opacity: 1; }

/* 区块标题下的品牌渐变短线 */
.pband__title::after,
.adv-band__title::after,
.eco__title::after {
  content: ""; display: block; width: 58px; height: 4px; border-radius: 999px;
  margin: 18px auto 0; background: var(--grad-line);
}

/* 首屏标题中的品牌渐变词 */
.hero2 h1 .grad {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* 首屏主按钮：渐变 + 渐变光晕 */
.btn--primary { background: var(--grad); }
.btn--primary:hover { background: var(--grad-deep); }

/* 浅色卡：品牌渐变描边（用 inset 阴影模拟，不破坏圆角） */
.vcard, .adv__stage, .cta--light {
  box-shadow: 0 0 0 1px rgba(9,77,226,.06), 0 18px 44px -30px rgba(9,77,226,.28);
}

/* 浅色 CTA：顶部一条渐变线 */
.cta--light::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: var(--grad-line);
}

/* 页脚：顶部品牌渐变线 */
.footer { position: relative; }
.footer::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad-line);
}

/* 产品卡底部按钮：hover 时反转为品牌渐变 */
.pcard__use { transition: transform .25s, box-shadow .25s, background .25s, color .25s; }
.pcard__use:hover { background: var(--grad-deep); color: #fff; }

/* 生态胶囊：hover 描边走品牌渐变感 */
.eco-pill:hover { border-color: rgba(9,77,226,.42); box-shadow: 0 10px 24px -10px rgba(9,77,226,.35); }

/* ---------- 核心团队卡片 ---------- */
.member {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.member:hover { transform: translateY(-4px); border-color: #CDDDFB; box-shadow: 0 18px 40px -22px rgba(9,62,108,.22); }
.member__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.member__avatar {
  width: 48px; height: 48px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, #0C1730, #1F3A8A); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; letter-spacing: 0;
}
.member__avatar--lead { background: var(--grad); }
.member__role {
  font-size: 11.5px; font-weight: 600; letter-spacing: .02em;
  color: #487FF8; background: #EEF4FF; border: 1px solid #D8E5FD;
  padding: 4px 12px; border-radius: 999px;
}
.member__role--lead { color: #fff; background: var(--grad); border-color: transparent; }
.member h4 { font-size: 17.5px; margin: 0 0 4px; }
.member em { display: block; font-style: normal; font-size: 12.5px; color: #7A8D97; margin-bottom: 14px; }
.member p { font-size: 13.5px; color: var(--text-2); line-height: 1.75; border-top: 1px solid var(--line); padding-top: 14px; margin-top: auto; }

/* 团队卡自适应居中网格：4 + 3 两排，末排自动居中，不留空格 */
.member-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.member-grid > .member { flex: 0 0 calc((100% - 72px) / 4); }
@media (max-width: 1024px) {
  .member-grid > .member { flex: 0 0 calc((100% - 24px) / 2); }
}
@media (max-width: 640px) {
  .member-grid > .member { flex: 0 0 100%; }
}

/* ---------- 积分福利 ---------- */
.points {
  background:
    radial-gradient(600px 320px at 90% -12%, rgba(72, 127, 248, .16), transparent 60%),
    radial-gradient(420px 300px at -6% 110%, rgba(29, 97, 246, .12), transparent 60%),
    linear-gradient(160deg, #F3F7FF 0%, #FBFDFF 100%);
  border: 1px solid #DCE7FC; border-radius: 24px;
  padding: 54px 54px 44px;
}
.points__head h2 { margin: 0 0 10px; font-size: 27px; }
.points__head p { margin: 0; color: var(--text-2); font-size: 15px; }
.points__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 34px; }
.pt-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid #E1EAF9; border-radius: 16px;
  padding: 24px 22px 22px; position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.pt-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -22px rgba(9, 62, 108, .25); }
.pt-card__no {
  position: absolute; top: 18px; right: 20px;
  font-size: 30px; font-weight: 800; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: .28;
}
.pt-card h4 { margin: 0 0 10px; font-size: 16px; }
.pt-card__big {
  display: flex; align-items: baseline; gap: 5px;
  margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--line-2);
  font-size: 34px; font-weight: 800; letter-spacing: -.01em; line-height: 1.1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pt-card__big small { font-size: 12.5px; font-weight: 650; color: #7A8D97; -webkit-text-fill-color: #7A8D97; }
.pt-card ul { margin: 0; padding: 0; list-style: none; }
.pt-card li {
  position: relative; padding-left: 16px;
  font-size: 13px; line-height: 1.7; color: var(--text-2);
}
.pt-card li + li { margin-top: 6px; }
.pt-card li::before {
  content: ""; position: absolute; left: 1px; top: .62em;
  width: 6px; height: 6px; border-radius: 2px;
  background: var(--grad);
}
.points__note { margin: 26px 0 0; text-align: center; font-size: 12.5px; color: #8A9AA8; }
@media (max-width: 1024px) { .points__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .points { padding: 36px 24px 32px; }
  .points__grid { grid-template-columns: 1fr; }
}


/* ============ 合作方式 / 会员定价卡 ============ */
.pricing-grid { align-items: stretch; }
.pricing-card {
  display: flex; flex-direction: column;
  padding: 30px 26px 28px;
  border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.pricing-card__top h4 { font-size: 19px; margin: 0 0 6px; }
.pricing-card__desc { font-size: 13.5px; color: var(--text-2); line-height: 1.6; min-height: 38px; }
.pricing-card__price { display: flex; align-items: baseline; gap: 6px; margin-top: 18px; }
.pricing-card__price .now { font-size: 30px; font-weight: 800; color: var(--brand-deep); letter-spacing: -.02em; }
.pricing-card__price .now--quote { font-size: 19px; }
.pricing-card__old { font-size: 13px; color: #A9B7BD; text-decoration: line-through; margin-top: 2px; }
.pricing-card__points {
  margin-top: 16px; padding: 10px 14px; border-radius: 12px;
  background: var(--brand-soft); color: var(--brand-deep);
  font-size: 15px; font-weight: 700; text-align: center;
}
.pricing-card__points small { font-weight: 500; font-size: 12px; color: #6C89D6; margin-left: 3px; }
.pricing-card .checks { margin-top: 20px; gap: 11px; }
.pricing-card .checks li { font-size: 13.5px; line-height: 1.5; align-items: flex-start; }
.pricing-card .checks li svg { margin-top: 1.5px; }
.pricing-card--featured {
  border-color: #F6B4C0;
  background: linear-gradient(165deg, #FFF5F6 0%, #FFFFFF 55%);
  box-shadow: 0 18px 40px -22px rgba(214, 41, 77, .3);
  transform: translateY(-6px);
}
.pricing-card--featured .pricing-card__price .now { color: #D6294D; }
.pricing-card--featured .checks li svg { stroke: #D6294D; }
.pricing-card__badge {
  position: absolute; top: 0; right: 22px;
  background: #D6294D; color: #fff; font-size: 11.5px; font-weight: 700;
  padding: 5px 12px 6px; border-radius: 0 0 8px 8px; letter-spacing: .02em;
}
.pricing-more { display: inline-flex; align-items: center; gap: 4px; color: var(--brand); font-weight: 600; font-size: 14px; }
.pricing-more:hover { color: var(--brand-deep); }
@media (max-width: 1024px) { .pricing-card--featured { transform: none; } }

/* ---------- 公司简介卡片 ---------- */
.intro-card {
  display: grid; grid-template-columns: .82fr 1.18fr;
  background: linear-gradient(150deg, #F4F8FF 0%, #FBFDFF 100%);
  border: 1px solid #DCE7FC; border-radius: 22px;
  overflow: hidden; box-shadow: 0 22px 52px -30px rgba(9, 62, 108, .28);
}
.intro-card__side {
  padding: 44px 40px 46px;
  background:
    radial-gradient(420px 300px at 100% -8%, rgba(72, 127, 248, .22), transparent 62%),
    linear-gradient(150deg, #0C1730 0%, #0E1E42 58%, #10265A 100%);
  color: #EAF1FF;
}
.intro-card__title {
  margin: 16px 0 0; font-size: 25px; line-height: 1.45; color: #fff; letter-spacing: .01em;
}
.intro-card__rule {
  display: block; width: 46px; height: 4px; border-radius: 3px; margin: 22px 0 24px;
  background: linear-gradient(90deg, #6C98F9, #487FF8);
}
.intro-card__tags { margin: 0; padding: 0; list-style: none; }
.intro-card__tags li {
  display: flex; align-items: center; gap: 9px;
  font-size: 14.5px; color: #C6D6F5; line-height: 1.6;
}
.intro-card__tags li + li { margin-top: 11px; }
.intro-card__tags i {
  width: 19px; height: 19px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: linear-gradient(135deg, #6C98F9, #487FF8);
}
.intro-card__tags svg { width: 11px; height: 11px; fill: none; stroke: #fff; stroke-width: 3; }
.intro-card__body { padding: 44px 46px 46px; }
.intro-card__body p { font-size: 15.5px; line-height: 1.95; color: var(--text-2); }
.intro-card__body p + p { margin-top: 14px; }
.intro-card__body b { color: var(--text-1); font-weight: 700; }
.intro-card__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
@media (max-width: 900px) {
  .intro-card { grid-template-columns: 1fr; }
  .intro-card__side { padding: 34px 28px 36px; }
  .intro-card__body { padding: 32px 28px 36px; }
  .intro-card__title { font-size: 22px; }
}

/* ---------- 页脚企业实体信息（GEO B8） ---------- */
.footer__entity {
  margin-top: 30px; padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px; line-height: 1.8; color: #93A7B0;
}
.footer__entity a { color: #C6D6F5; }
.footer__entity b { color: #fff; font-weight: 650; }
.footer__entity-note { margin-top: 8px; font-size: 12px; color: #7A8D97; }
.footer__icp {
  display: inline-block; padding: 2px 9px; border-radius: 6px;
  background: rgba(255, 255, 255, .07); color: #93A7B0;
}
@media (max-width: 640px) {
  .footer__entity { font-size: 12.5px; }
}

/* ---------- 权威信号：数据条 + 证书图（GEO C3 / B6） ---------- */
.trust-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 34px;
}
.trust-stats > div {
  background: #fff; border: 1px solid #E1EAF9; border-radius: 16px;
  padding: 22px 18px; text-align: center;
}
.trust-stats b {
  display: block; font-size: 30px; font-weight: 800; letter-spacing: -.01em; line-height: 1.1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.trust-stats b small { font-size: 14px; font-weight: 700; -webkit-text-fill-color: #7A8D97; }
.trust-stats em { display: block; margin-top: 6px; font-style: normal; font-size: 13px; color: var(--text-2); }
.certs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 40px; }
.cert { margin: 0; background: #fff; border: 1px solid #E1EAF9; border-radius: 16px; padding: 14px; }
.cert img { display: block; width: 100%; height: auto; border-radius: 10px; background: #F5F8FF; }
.cert figcaption { margin-top: 10px; text-align: center; font-size: 13px; color: var(--text-2); }
@media (max-width: 760px) {
  .trust-stats { grid-template-columns: repeat(2, 1fr); }
  .certs { grid-template-columns: 1fr; }
}

/* ---------- 联系页常见问题入口卡 ---------- */
.faq-entry {
  display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap;
  background: linear-gradient(150deg, #F4F8FF 0%, #FBFDFF 100%);
  border: 1px solid #DCE7FC; border-radius: 20px; padding: 40px 44px;
}
.faq-entry h2 { margin-top: 14px; }
.faq-entry__list { margin: 18px 0 0; padding: 0; list-style: none; }
.faq-entry__list li {
  position: relative; padding-left: 20px; font-size: 14px; line-height: 1.8; color: var(--text-2);
}
.faq-entry__list li::before {
  content: ""; position: absolute; left: 2px; top: .72em;
  width: 7px; height: 7px; border-radius: 50%; background: linear-gradient(135deg, #6C98F9, #487FF8);
}
@media (max-width: 640px) { .faq-entry { padding: 30px 24px; } }

/* FAQ 编号（让 FAQ 页与联系页一眼可辨） */
.faq__no {
  display: inline-block; margin-right: 10px; padding: 2px 9px; border-radius: 6px;
  background: #EEF4FF; border: 1px solid #D8E5FD;
  font-size: 12px; font-weight: 700; color: #487FF8; letter-spacing: .04em; vertical-align: 1px;
}

/* ---------- 媒体发文卡片 ---------- */
.media-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mcard {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid #E1EAF9; border-radius: 16px;
  padding: 24px 24px 20px; color: inherit;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.mcard:hover { transform: translateY(-4px); border-color: #CDDDFB; box-shadow: 0 18px 40px -22px rgba(9, 62, 108, .25); }
.mcard__src {
  align-self: flex-start; padding: 4px 12px; border-radius: 999px;
  background: #EEF4FF; border: 1px solid #D8E5FD;
  font-size: 12px; font-weight: 650; color: #487FF8; letter-spacing: .02em;
}
.mcard__title {
  margin: 14px 0 0; font-size: 16px; line-height: 1.6; color: var(--ink); font-weight: 650;
}
.mcard__go {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
  font-size: 13px; font-weight: 600; color: #487FF8;
}
.mcard__go svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.mcard:hover .mcard__go svg { transform: translateX(3px); }
@media (max-width: 1024px) { .media-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .media-grid { grid-template-columns: 1fr; } }

/* 23. 品牌 logo 文字：易环智能｜环询通AI */
.brand__hl { color: #487FF8; }
.footer .brand__hl { color: #8FB0FF; }