:root {
  --paper: #f5f6f4;
  --paper-blue: #e7ebf2;
  --ink: #0b0d10;
  --muted: #686d77;
  --line: #d8dce3;
  --violet: #6247ed;
  --violet-soft: #8d7cff;
  --dark: #111216;
  --radius: 30px;
  --shell-max: 1600px;
  --shell-inset: 64px;
  --shell: min(var(--shell-max), calc(100vw - var(--shell-inset)));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.section-shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(1504px, calc(100vw - 112px));
  min-height: 76px;
  padding: 10px 14px 10px 42px;
  border: 1px solid rgba(13, 16, 20, .08);
  border-radius: 999px;
  background: rgba(251, 251, 249, .88);
  box-shadow: 0 16px 46px rgba(18, 24, 36, .09);
  backdrop-filter: blur(18px) saturate(1.25);
  transform: translateX(-50%);
}
.brand { display: flex; align-items: center; width: max-content; }
.brand span { display: flex; align-items: baseline; gap: 0; white-space: nowrap; }
.brand b,
.brand small { color: #0b0d10; font-size: 26px; font-weight: 800; line-height: .92; letter-spacing: -.055em; }
.brand b { font-weight: 850; }
.brand small { font-family: "Arial Black", "Helvetica Neue", Arial, sans-serif; }
.site-header nav { display: flex; align-items: center; gap: 42px; }
.site-header nav a { color: #5d626c; font-size: 15px; transition: color .2s ease; }
.site-header nav a:hover { color: var(--ink); }
.nav-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-width: 176px;
  height: 54px;
  padding-inline: 26px;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  border-radius: 999px;
  color: #fff;
  background: var(--ink);
  font-size: 16px;
}
.go-mark { display: inline-grid; min-width: 38px; height: 26px; place-items: center; border-radius: 999px; color: var(--ink); background: #fff; font-size: 14px; font-weight: 800; letter-spacing: .04em; }
.button-light .go-mark { color: #fff; background: var(--ink); }
.solid-dot { display: inline-block; flex: 0 0 auto; width: 9px; height: 9px; border-radius: 50%; background: currentColor; }
.triangle { display: inline-block; width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
.triangle-left { border-right: 9px solid currentColor; }
.triangle-right { border-left: 9px solid currentColor; }

.hero {
  position: relative;
  display: flex;
  align-items: center;
  width: var(--shell);
  max-width: var(--shell-max);
  min-height: 0;
  aspect-ratio: 16 / 9;
  margin-top: 0;
  margin-bottom: 0;
  padding: 104px clamp(42px, 5vw, 82px) 62px;
  overflow: hidden;
}
.hero-copy { position: relative; z-index: 3; width: min(700px, 45vw); padding: 48px 0 32px; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 32px;
  color: #777d87;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .16em;
}
.eyebrow i { display: block; width: 7px; height: 7px; border-radius: 2px; background: var(--violet); transform: rotate(45deg); }
.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(58px, 4.7vw, 80px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -.065em;
}
.hero h1 em, .contact h2 em { color: #77736f; font-style: normal; }
.hero-lead {
  max-width: 670px;
  margin: 42px 0 0;
  color: #626873;
  font-size: 18px;
  line-height: 1.9;
}
.hero-actions { display: flex; gap: 12px; margin-top: 38px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 42px;
  min-height: 58px;
  padding: 0 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 15px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(26, 28, 35, .09); }
.button-dark { color: #fff; border-color: var(--ink); background: var(--ink); }
.button-light { background: rgba(255, 255, 255, .72); }

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #080b0f;
  isolation: isolate;
}
.hero-visual::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(90deg, #f7f8f6 0%, #f7f8f6 calc(38% + 10px), rgba(247,248,246,.88) 48%, rgba(247,248,246,.48) 60%, rgba(247,248,246,.14) 70%, transparent 75%);
  pointer-events: none;
}
.production-video { position: absolute; top: 0; right: 0; bottom: 0; left: 38%; width: 62%; height: 100%; object-fit: cover; object-position: center; }

/* 客户背书独立成通栏，紧贴首屏下沿且不覆盖视频画面。 */
.hero-clients {
  display: grid;
  grid-template-columns: 210px 1fr;
  align-items: center;
  min-height: 154px;
  margin-inline: auto;
  border-top: 1px solid rgba(14, 17, 21, .14);
  border-bottom: 1px solid rgba(14, 17, 21, .1);
  background: var(--paper);
}
.hero-clients > header { padding: 0 30px 0 0; }
.hero-clients h2 { margin: 0; font-size: 32px; font-weight: 620; letter-spacing: -.04em; }
.hero-clients > header p { margin: 9px 0 0; color: #707681; font-size: 15px; line-height: 1.4; }
.hero-clients ul { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); align-items: center; height: 100%; margin: 0; padding: 0; list-style: none; }
.hero-clients li { display: grid; grid-template-rows: 30px 20px 42px; align-content: center; justify-items: center; min-width: 0; height: 112px; padding: 0 8px; border-left: 1px solid rgba(14,17,21,.08); }
/* 以可见黑色面积、字标长度和笔画粗细校准视觉重量，不按源文件画布机械等高。 */
.hero-clients .client-logo { display: flex; align-items: center; justify-content: center; width: 100%; height: 42px; }
.hero-clients img { display: block; width: auto; max-width: min(var(--logo-max-width, 104px), 100%); height: var(--logo-height, 28px); object-fit: contain; }
.hero-clients .logo-naura { --logo-height: 28px; --logo-max-width: 90px; }
.hero-clients .logo-cxmt { --logo-height: 18px; --logo-max-width: 70px; }
.hero-clients .logo-catl { --logo-height: 18px; --logo-max-width: 84px; }
.hero-clients .logo-gigadevice { --logo-height: 29px; --logo-max-width: 44px; }
.hero-clients .logo-fortune { --logo-height: 34px; --logo-max-width: 102px; }
.hero-clients .logo-yesemi { --logo-height: 23px; --logo-max-width: 98px; }
.hero-clients .logo-orange { --logo-height: 33px; --logo-max-width: 78px; }
.hero-clients .logo-behc { --logo-height: 21px; --logo-max-width: 108px; }
.hero-clients .logo-ydme { --logo-height: 22px; --logo-max-width: 80px; }
.hero-clients .client-name { align-self: end; color: #111419; font-size: 22px; font-weight: 650; line-height: 30px; letter-spacing: .02em; white-space: nowrap; }
.hero-clients .client-market { align-self: start; min-height: 20px; color: #747982; font-size: 14px; font-weight: 560; font-variant-numeric: tabular-nums; line-height: 20px; letter-spacing: .025em; white-space: nowrap; }
/* 兆易创新原始资产为纵向组合，这里将图形与英文重组为更舒展的横向字标。 */
.hero-clients .client-logo-gigadevice { gap: 6px; }
.hero-clients .client-logo-gigadevice img { width: 24px; height: 24px; object-fit: cover; object-position: top center; }
.hero-clients .client-logo-gigadevice span { color: #0d1014; font-family: Arial, sans-serif; font-size: 14px; font-weight: 700; line-height: 1; letter-spacing: -.035em; }

.principle-band { padding: 110px max(32px, calc((100vw - 1450px) / 2)); color: #fff; background: var(--dark); }
.expertise,
.proof,
.method,
.security,
.contact { content-visibility: auto; contain-intrinsic-size: auto 900px; }
/* 锚点定位前短暂展开延迟区块，避免首次计算高度时发生落点漂移。 */
html.is-anchor-resolving .expertise,
html.is-anchor-resolving .proof,
html.is-anchor-resolving .method,
html.is-anchor-resolving .security,
html.is-anchor-resolving .contact { content-visibility: visible; }
.principle-band > p { margin: 0 0 30px; color: var(--violet-soft); font-size: 15px; font-weight: 700; letter-spacing: .12em; }
.principle-band h2 { max-width: 1150px; margin: 0; font-size: clamp(40px, 4vw, 64px); font-weight: 560; line-height: 1.12; letter-spacing: -.045em; }
.principle-points { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 82px; border-top: 1px solid #37383d; }
.principle-points span { display: flex; gap: 24px; padding: 25px 0; border-right: 1px solid #37383d; color: #b8bac2; font-size: 15px; }
.principle-points span + span { padding-left: 26px; }
.principle-points b { color: var(--violet-soft); font-size: 14px; }

.expertise { padding-top: 140px; padding-bottom: 150px; }
.section-heading { display: grid; grid-template-columns: minmax(500px, 1.25fr) minmax(320px, .75fr); align-items: end; gap: 80px; margin-bottom: 66px; }
.section-heading h2, .proof-heading h2, .security h2, .contact h2 { margin: 0; font-size: clamp(44px, 4vw, 64px); font-weight: 600; line-height: 1.08; letter-spacing: -.05em; }
.section-heading > p, .proof-heading div > p { max-width: 570px; margin: 0 0 7px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.expertise-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.expertise-card { position: relative; overflow: hidden; aspect-ratio: 1.42; border-radius: var(--radius); color: #fff; background: #191a1e; }
.expertise-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.65) contrast(1.05); transition: transform .7s cubic-bezier(.2,.7,.2,1), filter .7s ease; }
.expertise-card:hover img { transform: scale(1.035); filter: saturate(.85) contrast(1.03); }
.image-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,6,8,.1) 25%, rgba(8,9,12,.84) 100%); }
.card-index { position: absolute; top: 24px; left: 26px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.4); border-radius: 999px; background: rgba(12,13,16,.26); backdrop-filter: blur(8px); font-size: 14px; letter-spacing: .06em; }
.card-copy { position: absolute; right: 32px; bottom: 31px; left: 32px; }
.card-copy h3 { margin: 0 0 11px; font-size: clamp(27px, 2.2vw, 40px); font-weight: 520; letter-spacing: -.04em; }
.card-copy p { max-width: 580px; margin: 0; color: rgba(255,255,255,.78); font-size: 16px; line-height: 1.7; }

.proof { overflow: hidden; padding: 130px 0 140px; color: #fff; background: #111216; }
.eyebrow-light { color: #9496a0; }
.proof-heading { display: block; }
.proof-heading > .eyebrow { margin-bottom: 55px; }
.proof-heading > div { display: grid; grid-template-columns: minmax(650px, 1.3fr) minmax(330px, .7fr); align-items: end; gap: 80px; }
.proof-heading h2 em { color: #777880; font-style: normal; }
.proof-heading div > p { color: #999ba3; }
.case-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 60px; color: #bec1ca; font-size: 15px; letter-spacing: .03em; }
.case-controls div { display: flex; gap: 8px; }
.case-controls button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-width: 108px; height: 52px; padding-inline: 18px; border: 1px solid #3e4047; border-radius: 999px; color: #fff; background: transparent; cursor: pointer; font-size: 14px; font-weight: 700; letter-spacing: .07em; transition: background .2s ease, color .2s ease, opacity .2s ease; }
.case-controls button:hover { color: #111; background: #fff; }
.case-controls button:disabled { opacity: .32; cursor: default; }
.case-window { position: relative; overflow: hidden; margin-top: 22px; }
.case-window::after { position: absolute; top: 0; right: 0; bottom: 30px; z-index: 3; width: clamp(70px, 8vw, 150px); content: ""; background: linear-gradient(90deg, transparent, #111216 92%); pointer-events: none; }
.case-track { display: flex; gap: 22px; overflow-x: auto; width: 100%; margin: 0; padding: 0 0 30px; scroll-behavior: smooth; scrollbar-width: none; cursor: grab; touch-action: pan-y; user-select: none; }
.case-track.is-dragging { cursor: grabbing; scroll-behavior: auto; }
.case-track::-webkit-scrollbar { display: none; }
.case-card { position: relative; flex: 0 0 min(430px, calc(100vw - 56px)); height: 660px; overflow: hidden; border: 1px solid #35363d; border-radius: 34px; background: #18191d; }
.case-card > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.08); transition: transform .8s cubic-bezier(.2,.7,.2,1), filter .8s ease; pointer-events: none; }
.case-card:hover > img { transform: scale(1.025); filter: saturate(.88) contrast(1.06); }
.case-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,6,8,.05) 8%, rgba(7,8,11,.18) 35%, rgba(10,10,13,.86) 66%, #101115 88%); }
.case-no { position: absolute; top: 24px; left: 25px; z-index: 1; color: #fff; font-size: 15px; font-weight: 750; letter-spacing: .12em; }
.case-copy { position: absolute; right: 28px; bottom: 27px; left: 28px; z-index: 1; }
.case-type { margin: 0 0 18px; color: #d0c8ff; font-size: 14px; font-weight: 750; letter-spacing: .08em; }
.case-card h3 { max-width: 350px; margin: 0 0 15px; font-size: 31px; font-weight: 560; line-height: 1.16; letter-spacing: -.035em; }
.case-summary { margin: 0; color: #d0d2d8; font-size: 16px; line-height: 1.7; }
.case-card footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 26px; padding-top: 19px; border-top: 1px solid rgba(255,255,255,.2); color: #c2c4cb; font-size: 14px; line-height: 1.5; }
.case-card footer .solid-dot { color: #d0c8ff; }

.method { padding-top: 145px; padding-bottom: 160px; }
.method-heading { margin-bottom: 80px; }
.method-rail { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid #bfc3ca; border-bottom: 1px solid #bfc3ca; }
.method-rail article { min-height: 300px; padding: 26px 24px 30px 0; border-right: 1px solid #cdd0d5; }
.method-rail article + article { padding-left: 24px; }
.method-rail article:last-child { border-right: 0; }
.method-rail span { color: var(--violet); font-size: 14px; font-weight: 700; }
.method-rail h3 { margin: 104px 0 14px; font-size: 21px; font-weight: 560; letter-spacing: -.03em; }
.method-rail p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }

.security { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; align-items: center; min-height: 780px; margin-bottom: 140px; padding: 72px; border-radius: 42px; color: #fff; background: #121318; }
.security-visual { position: relative; display: grid; aspect-ratio: 1; place-items: center; }
.security-visual::before { position: absolute; width: 72%; height: 72%; border-radius: 50%; content: ""; background: radial-gradient(circle, rgba(108,81,255,.3), rgba(108,81,255,.04) 45%, transparent 70%); }
.security-orbit { position: absolute; width: 75%; height: 75%; border: 1px solid #42434b; border-radius: 50%; }
.orbit-one { transform: rotateX(66deg) rotateZ(10deg); }
.orbit-two { transform: rotateY(68deg) rotateZ(-26deg); }
.security-core { position: relative; display: grid; width: 155px; height: 155px; place-items: center; border: 1px solid #77727e; border-radius: 38px; background: linear-gradient(145deg,#2c2d35,#15161b); box-shadow: 0 0 70px rgba(111,87,255,.24); }
.security-core span { font-size: 49px; font-weight: 560; letter-spacing: -.06em; }
.security-core small { position: absolute; bottom: 25px; color: var(--violet-soft); font-size: 14px; letter-spacing: .08em; }
.security-copy h2 { margin-bottom: 30px; }
.security-copy > p:not(.eyebrow) { max-width: 650px; margin: 0 0 30px; color: #b0b2ba; font-size: 16px; line-height: 1.85; }
.security-copy ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid #34353b; }
.security-copy li { display: grid; grid-template-columns: 42px 1fr; gap: 15px; padding: 20px 0; border-bottom: 1px solid #34353b; color: #b8bac2; font-size: 16px; line-height: 1.7; }
.security-copy li b { color: var(--violet-soft); }
.security-copy li strong { display: block; margin-bottom: 3px; color: #fff; font-size: 16px; font-weight: 560; }

/* 长图校正文案对应的信息层：半导体业务范围、客户背书与服务体系。 */
.scope { padding-block: 120px; color: #fff; background: #17191e; }
.scope-heading { display: grid; grid-template-columns: .55fr 1.45fr; gap: 54px; }
.scope-heading h2, .service h2 { max-width: 980px; margin: 0; font-size: clamp(44px, 4vw, 64px); font-weight: 600; line-height: 1.08; letter-spacing: -.05em; }
.scope-heading div > p { max-width: 760px; margin: 28px 0 0; color: #b7bac2; font-size: 17px; line-height: 1.8; }
.scope-gallery .case-controls { margin-top: 64px; }
.scope-gallery .case-card { border-color: #42444c; background: #111317; }
.scope-gallery .case-window::after { background: linear-gradient(90deg, transparent, #17191e 92%); }
.scope-card > img { object-fit: cover; object-position: 50% 42%; filter: saturate(.72) contrast(1.05); }
.scope-card:nth-child(3) > img { object-position: 50% 36%; }
.scope-card:nth-child(5) > img { object-position: 52% 42%; }
.scope-card:nth-child(6) > img { object-position: 50% 38%; }
.scope-card:nth-child(7) > img { object-position: 50% 40%; }
.scope-card:nth-child(8) > img { object-position: 50% 38%; }
.scope-card:nth-child(9) > img { object-position: 50% 38%; }
.scope-card:nth-child(10) > img { object-position: 66% 42%; }
.scope-card:hover > img { filter: saturate(.9) contrast(1.05); }
.scope-card .case-copy { top: 430px; bottom: auto; }
.experience { display: block; padding-block: 120px; }
.experience h2 { max-width: 720px; margin: 16px 0 28px; font-size: clamp(42px, 3.7vw, 60px); font-weight: 600; line-height: 1.1; letter-spacing: -.05em; }
.experience-copy > p:last-child { max-width: 700px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.service { padding-block: 120px; border-top: 1px solid #c8cbd0; }
.service header { display: grid; grid-template-columns: .55fr 1.45fr; gap: 54px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 66px; border-top: 1px solid #bfc3c8; border-bottom: 1px solid #bfc3c8; }
.service-grid article { min-height: 270px; padding: 28px 30px; border-right: 1px solid #bfc3c8; }
.service-grid article:last-child { border-right: 0; }
.service-grid b { color: #5762d8; font-size: 14px; letter-spacing: .08em; }
.service-grid h3 { margin: 52px 0 13px; font-size: 25px; font-weight: 600; }
.service-grid p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.service-note { margin: 28px 0 0; padding-left: 18px; border-left: 4px solid #5967dc; font-size: 19px; font-weight: 600; line-height: 1.65; }

.contact { padding-top: 140px; padding-bottom: 150px; border-top: 1px solid #c8cbd0; }
.contact h2 { max-width: 1120px; font-size: clamp(52px, 5vw, 76px); }
.contact > p:not(.eyebrow) { max-width: 650px; margin: 36px 0; color: var(--muted); font-size: 16px; line-height: 1.85; }
.contact footer { display: flex; justify-content: space-between; margin-top: 140px; padding-top: 22px; border-top: 1px solid #c8cbd0; color: #656a73; font-size: 14px; letter-spacing: .02em; }

/* 固定在页面底部中央的咨询入口动效原型。 */
.consult-drop {
  position: fixed;
  bottom: 22px;
  left: 50%;
  z-index: 45;
  width: 120px;
  height: 120px;
  margin: 0;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: pointer;
  transform: translateX(-50%);
  filter: drop-shadow(0 16px 22px rgba(12, 15, 28, .28));
  isolation: isolate;
  appearance: none;
}
.consult-drop::after { position: absolute; right: 10px; bottom: -3px; left: 10px; height: 17px; border-radius: 50%; content: ""; background: rgba(13, 35, 91, .34); filter: blur(9px); }
.consult-drop-copy {
  position: absolute;
  top: 50%;
  z-index: 0;
  width: 204px;
  min-height: 58px;
  padding-block: 18px;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: 999px;
  color: #172331;
  background: rgba(248, 252, 255, .68);
  box-shadow: 0 12px 30px rgba(8, 21, 40, .14), inset 0 1px 0 rgba(255, 255, 255, .92);
  backdrop-filter: blur(18px) saturate(.86);
  font-size: 18px;
  font-weight: 560;
  line-height: 1;
  letter-spacing: .08em;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%);
  transition: clip-path 190ms cubic-bezier(.16,.84,.24,1), opacity 45ms linear, transform 190ms cubic-bezier(.16,.84,.24,1);
  will-change: clip-path, opacity, transform;
  white-space: nowrap;
}
.consult-drop-copy-left { right: 50%; padding-right: 58px; text-align: center; clip-path: inset(0 0 0 100% round 999px); transform: translateY(-50%) scaleX(.08); transform-origin: right center; }
.consult-drop-copy-right { left: 50%; padding-left: 58px; text-align: center; clip-path: inset(0 100% 0 0 round 999px); transform: translateY(-50%) scaleX(.08); transform-origin: left center; }
.consult-drop:hover .consult-drop-copy,
.consult-drop:focus-visible .consult-drop-copy { opacity: 1; clip-path: inset(0 round 999px); transform: translateY(-50%) scaleX(1); }
.consult-drop-aura { position: absolute; inset: 4px; z-index: 2; border-radius: 50%; background: conic-gradient(from 40deg, rgba(70,240,255,.76), rgba(42,108,255,.76), rgba(108,84,255,.64), rgba(58,231,190,.68), rgba(204,239,95,.42), rgba(70,240,255,.76)); opacity: .74; filter: blur(15px); animation: dropAura 5.4s linear infinite; }
.consult-drop-liquid { position: absolute; inset: 0; z-index: 3; display: block; }
.consult-drop-liquid svg { display: block; width: 100%; height: 100%; overflow: visible; animation: dropSurface 4.2s ease-in-out infinite; }
.consult-drop-go {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  color: rgba(255, 255, 255, .66);
  font-size: 21px;
  font-weight: 650;
  line-height: 1;
  letter-spacing: .11em;
  opacity: 0;
  pointer-events: none;
  text-shadow: 0 1px 12px rgba(6, 22, 55, .38);
  transform: translate(-46%, -50%) scale(.86);
  transition: opacity 120ms ease, transform 220ms cubic-bezier(.2,.8,.2,1);
}
.consult-drop:hover .consult-drop-go,
.consult-drop:focus-visible .consult-drop-go { opacity: 1; transform: translate(-46%, -50%) scale(1); }
.drop-flow { transform-box: fill-box; transform-origin: center; mix-blend-mode: screen; }
.drop-flow-one { animation: dropFlowOne 5.2s ease-in-out infinite alternate; }
.drop-flow-two { animation: dropFlowTwo 6.1s ease-in-out infinite alternate; }
.drop-flow-three { animation: dropFlowThree 4.7s ease-in-out infinite alternate; }
.drop-highlight { animation: dropHighlight 3.6s ease-in-out infinite alternate; }
.consult-drop:hover .consult-drop-aura { opacity: .95; filter: blur(18px); }
.consult-drop:focus-visible { outline: 3px solid rgba(98, 71, 237, .55); outline-offset: 7px; border-radius: 50%; }
@keyframes dropAura { to { transform: rotate(360deg) scale(1.08); } }
@keyframes dropSurface { 0%, 100% { filter: saturate(1.08) brightness(1); transform: scale(.985); } 50% { filter: saturate(1.3) brightness(1.12); transform: scale(1.018); } }
@keyframes dropFlowOne { to { transform: translate(20px, 15px) rotate(34deg) scale(1.15); } }
@keyframes dropFlowTwo { to { transform: translate(-23px, -15px) rotate(-28deg) scale(.86); } }
@keyframes dropFlowThree { to { transform: translate(12px, -22px) rotate(42deg) scale(1.18); } }
@keyframes dropHighlight { to { transform: translate(7px, 4px) rotate(-12deg) scale(.82); opacity: .16; } }

/* 咨询组件 V17：视觉参数与顶部 Toolbar 保持一致。 */
.consult-widget { position: fixed; bottom: 22px; left: 50%; z-index: 45; width: 120px; height: 120px; margin-left: -60px; }
.consult-widget .consult-drop { position: absolute; inset: 0; bottom: auto; left: auto; transform: none; }
.consult-drop-tip {
  position: absolute;
  bottom: 132px;
  left: 50%;
  z-index: 47;
  width: max-content;
  padding: 16px 20px;
  border: 1px solid rgba(13, 16, 20, .08);
  border-radius: 999px;
  color: #0b0d10;
  background: rgba(251, 251, 249, .88);
  box-shadow: 0 16px 46px rgba(18, 24, 36, .09);
  backdrop-filter: blur(18px) saturate(1.25);
  font-size: 17px;
  font-weight: 650;
  line-height: 1;
  letter-spacing: .025em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px) scale(.96);
  transition: opacity 110ms ease, transform 160ms cubic-bezier(.16,.84,.24,1);
  white-space: nowrap;
}
.consult-drop-tip::after,
.consult-panel::after {
  position: absolute;
  bottom: -7px;
  left: 50%;
  width: 14px;
  height: 14px;
  border-right: 1px solid rgba(13, 16, 20, .08);
  border-bottom: 1px solid rgba(13, 16, 20, .08);
  border-radius: 0 0 3px;
  content: "";
  background: rgba(251, 251, 249, .94);
  transform: translateX(-50%) rotate(45deg);
}
.consult-widget:not(.is-open) .consult-drop:hover + .consult-drop-tip,
.consult-widget:not(.is-open) .consult-drop:focus-visible + .consult-drop-tip { opacity: 1; transform: translate(-50%, 0) scale(1); }
.consult-panel {
  position: absolute;
  bottom: 140px;
  left: 50%;
  z-index: 46;
  width: min(760px, calc(100vw - 48px));
  max-height: calc(100vh - 164px);
  overflow: auto;
  padding: 18px;
  border: 1px solid rgba(13, 16, 20, .08);
  border-radius: 30px;
  color: #0b0d10;
  background: rgba(251, 251, 249, .94);
  box-shadow: 0 24px 70px rgba(18, 24, 36, .18);
  backdrop-filter: blur(24px) saturate(1.2);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px) scale(.28, .1);
  transform-origin: center bottom;
  transition: width 220ms ease, border-radius 240ms ease, opacity 100ms ease, transform 280ms cubic-bezier(.16,.84,.24,1);
}
.consult-widget.is-open .consult-panel { opacity: 1; pointer-events: auto; transform: translate(-50%, 0) scale(1); }
.consult-widget.is-trigger-anchored .consult-panel { position: fixed; top: var(--consult-panel-top); right: var(--consult-panel-right); bottom: auto; left: auto; max-height: calc(100vh - var(--consult-panel-top) - 24px); transform: scale(.16, .1); transform-origin: right top; }
.consult-widget.is-trigger-anchored.is-open .consult-panel { transform: translateY(0) scale(1); }
.consult-widget.is-trigger-anchored .consult-panel::after { display: none; }
.consult-panel.is-position-resetting { transition: none; }
.consult-widget.is-open .consult-drop-tip { opacity: 0; }
.consult-panel-close { position: absolute; top: 18px; right: 18px; z-index: 5; min-height: 36px; padding: 0 14px; border: 1px solid rgba(13,16,20,.1); border-radius: 999px; color: #171a1f; background: rgba(255,255,255,.8); box-shadow: 0 6px 18px rgba(18,24,36,.07); cursor: pointer; font: inherit; font-size: 14px; font-weight: 600; backdrop-filter: blur(12px); }
.consult-panel-close:hover { background: #fff; }
.consult-panel-home { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.consult-panel-home[hidden], .consult-chat[hidden], .consult-training[hidden], [hidden] { display: none !important; }
.consult-panel-heading { grid-column: 1 / -1; padding: 8px 90px 10px 8px; }
.consult-panel-heading h2 { max-width: 650px; margin: 0; font-size: 24px; font-weight: 650; line-height: 1.4; letter-spacing: -.025em; }
.consult-channel { min-height: 150px; border: 1px solid rgba(13,16,20,.08); border-radius: 20px; background: rgba(255,255,255,.68); }
.consult-channel strong { display: block; margin-bottom: 8px; font-size: 20px; }
.consult-channel small { color: #686d75; font-size: 15px; }
.consult-channel-ai { display: flex; align-items: center; gap: 18px; padding: 24px; color: inherit; text-align: left; cursor: pointer; transition: background .18s ease, transform .18s ease; }
.consult-channel-ai:hover { background: #fff; transform: translateY(-2px); }
.consult-channel-ai:disabled { cursor: not-allowed; opacity: .72; transform: none; }
.consult-channel-icon { display: grid; flex: 0 0 54px; height: 54px; place-items: center; border-radius: 50%; color: #fff; background: #101318; font-size: 16px; font-weight: 750; }
.consult-channel-wechat { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px 20px 26px; }
.consult-qr { width: 106px; height: 106px; border: 8px solid #fff; object-fit: contain; box-shadow: 0 0 0 1px rgba(13,16,20,.1); }
.consult-form { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 20px; border: 1px solid rgba(13,16,20,.08); border-radius: 20px; background: rgba(255,255,255,.68); }
.consult-form-intro { grid-column: 1 / -1; margin: 0 0 4px; color: #30343a; font-size: 16px; line-height: 1.55; }
.consult-form label { display: grid; gap: 7px; color: #4f545c; font-size: 14px; }
.consult-form input,.consult-form select,.consult-form textarea,.consult-chat-compose textarea { width: 100%; border: 1px solid rgba(13,16,20,.12); border-radius: 12px; color: #101318; background: rgba(249,250,248,.94); outline: 0; font: inherit; transition: border-color .15s ease, box-shadow .15s ease; }
.consult-form input,.consult-form select,.consult-form textarea { font-size: 16px; }
.consult-form input { height: 44px; padding: 0 13px; }
.consult-form select { height: 44px; padding: 0 13px; }
.consult-form textarea,.consult-chat-compose textarea { padding: 12px 13px; resize: none; }
.consult-form input:focus,.consult-form textarea:focus,.consult-chat-compose textarea:focus { border-color: rgba(36,94,226,.55); box-shadow: 0 0 0 3px rgba(36,94,226,.1); }
.consult-form :disabled,.consult-chat-compose :disabled { cursor: not-allowed; opacity: .68; }
.consult-consent-row { grid-column: 1 / -1; display: grid; gap: 8px; }
.consult-form .consult-consent { display: flex; grid-template-columns: none; align-items: center; gap: 9px; color: #30343a; font-size: 14px; }
.consult-form .consult-consent input { width: 18px; height: 18px; margin: 0; }
.consult-privacy-details { border: 1px solid rgba(13,16,20,.1); border-radius: 12px; color: #4f545c; background: rgba(249,250,248,.72); font-size: 14px; }
.consult-privacy-details summary { padding: 10px 12px; color: #252a31; cursor: pointer; font-weight: 620; }
.consult-privacy-details > div { padding: 0 12px 12px; border-top: 1px solid rgba(13,16,20,.08); }
.consult-privacy-details p { margin: 10px 0 0; line-height: 1.6; }
.consult-privacy-details a { color: #174aaf; text-decoration: underline; text-underline-offset: 2px; }
.consult-privacy-version { color: #747982; }
.contact-details { display: flex; gap: 24px; margin-top: 24px; font-size: 17px; font-weight: 600; }
.contact-details a { border-bottom: 1px solid #9ba0a8; }
.lead-invitation { align-self: flex-start; padding: 12px 15px; border: 1px solid #d9dce2; border-radius: 14px; background: #fff; }
.lead-invitation button { margin-top: 8px; border: 0; border-radius: 999px; padding: 9px 15px; color: #fff; background: #101318; cursor: pointer; }
.lead-invitation .consult-form.is-inline { margin-top: 12px; }
.restart-consult { align-self: flex-start; padding: 10px 16px; border: 0; border-radius: 999px; color: #fff; background: #101318; cursor: pointer; }
.session-expired-action { display: grid; justify-items: start; gap: 10px; }
.consult-form button,.consult-chat-compose button { justify-self: start; min-width: 112px; height: 44px; padding: 0 20px; border: 0; border-radius: 999px; color: #fff; background: #101318; cursor: pointer; font-size: 15px; font-weight: 650; }
.consult-form-state { align-self: center; grid-column: 2 / -1; margin: 0; color: #626872; font-size: 14px; }
.consult-panel.is-chat, .consult-panel.is-training { padding: 0; overflow: hidden; }
.consult-panel.is-chat { height: min(680px, calc(100vh - 170px)); }
.consult-chat { position: relative; display: flex; min-height: 0; height: 100% !important; flex-direction: column; }
.consult-chat-resize { position: absolute; top: -5px; right: 42px; left: 42px; z-index: 4; height: 12px; cursor: ns-resize; }
.consult-chat-resize::before { position: absolute; top: 5px; left: 50%; width: 54px; height: 4px; border-radius: 4px; content: ""; background: rgba(40,45,54,.28); transform: translateX(-50%); }
.consult-chat header { display: flex; flex: 0 0 64px; align-items: center; gap: 16px; height: 64px; padding: 0 64px 0 22px; border-bottom: 1px solid rgba(13,16,20,.08); }
.consult-chat header > span { color: #555c65; font-size: 15px; }
.consult-chat header .admin-mode-exit, .consult-training > header .admin-mode-exit { margin-left: auto; }
.consult-chat header button { min-height: 38px; padding: 0 15px; border: 1px solid rgba(13,16,20,.1); border-radius: 999px; color: #171a1f; background: rgba(255,255,255,.72); cursor: pointer; font: inherit; font-size: 15px; font-weight: 600; }
.consult-chat-messages { position: relative; display: flex; min-height: 0; flex: 1 1 auto; flex-direction: column; gap: 14px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: none; padding: 22px 24px 22px 22px; }
.consult-chat-messages::-webkit-scrollbar { width: 0; height: 0; }
.consult-chat-scrollbar { position: absolute; top: 76px; right: 7px; bottom: 196px; z-index: 3; width: 10px; border-radius: 999px; background: #d7dade; box-shadow: inset 0 0 0 1px rgba(13,16,20,.08); touch-action: none; }
.consult-chat-scrollbar[hidden] { display: none !important; }
.consult-chat-scrollbar span { position: absolute; top: 0; left: 1px; width: 8px; min-height: 36px; border-radius: 999px; background: #626b78; box-shadow: 0 2px 5px rgba(13,16,20,.18); cursor: ns-resize; touch-action: none; }
.consult-chat-messages p { display: flex; align-items: flex-start; gap: 9px; margin: 0; }
.consult-chat-messages .advisor-bubble { display: grid; max-width: 82%; gap: 7px; padding: 11px 14px; border-radius: 15px; background: #eef0ee; }
.consult-chat-messages .advisor-identity { display: flex; align-items: baseline; gap: 8px; }
.consult-chat-messages .advisor-identity strong { color: #15191f; font-size: 15px; line-height: 1.25; }
.consult-chat-messages .advisor-identity em { color: #697079; font-size: 14px; font-style: normal; line-height: 1.25; }
.consult-chat-messages .advisor-text { overflow-wrap: anywhere; white-space: pre-wrap; font-size: 16px; line-height: 1.6; }
.advisor-correct { justify-self: start; padding: 0; border: 0; color: #5e6570; background: transparent; cursor: pointer; font: inherit; font-size: 14px; text-decoration: underline; text-underline-offset: 3px; }
.chat-measure .advisor-correct { display: none; }
.consult-chat-messages .is-ai i { display: block; flex: 0 0 36.49px; width: 36.49px; height: 36.49px; overflow: hidden; border-radius: 50%; color: transparent; background: #101318 url("assets/amanda/amanda-original.png") 50% 36% / 220% auto no-repeat; font-size: 0; }
.consult-chat-messages .is-user { justify-content: flex-end; }
.consult-chat-messages .is-user > span { max-width: 82%; overflow-wrap: anywhere; white-space: pre-wrap; padding: 11px 14px; border-radius: 15px; color: #fff; background: #235bda; font-size: 16px; line-height: 1.6; }
.consult-chat-messages .chat-measure { position: absolute; width: calc(100% - 44px); visibility: hidden; pointer-events: none; }
.consult-chat-messages .is-typing .advisor-text { display: inline-flex; align-items: center; gap: 7px; color: #5a6068; }
.consult-chat-messages .is-typing .advisor-text em { font-style: normal; }
.typing-dots { display: inline-flex; gap: 4px; }
.typing-dots b { width: 5px; height: 5px; border-radius: 50%; background: currentColor; animation: typing-dot 900ms ease-in-out infinite; }
.typing-dots b:nth-child(2) { animation-delay: 120ms; }
.typing-dots b:nth-child(3) { animation-delay: 240ms; }
@keyframes typing-dot { 0%, 60%, 100% { opacity: .35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.consult-chat-privacy { min-height: 60px; flex: 0 0 auto; padding: 10px 22px; border-top: 1px solid rgba(13,16,20,.08); color: #5d626a; background: #f6f7f5; font-size: 14px; line-height: 1.5; }
.consult-chat-compose { display: grid; flex: 0 0 124px; grid-template-columns: 1fr auto; gap: 10px; min-height: 124px; padding: 12px; border-top: 1px solid rgba(13,16,20,.08); background: rgba(251,251,249,.98); }
.chat-input-wrap { position: relative; min-width: 0; min-height: 0; overflow: hidden; }
.chat-input-wrap textarea { display: block; height: calc(100% - 8px); min-height: 0; max-height: calc(100% - 8px); padding-bottom: 35px; }
.chat-send-hint { position: absolute; right: 12px; bottom: 9px; color: #777d85; font-size: 14px; line-height: 1.2; pointer-events: none; }
.consult-chat-compose button { align-self: center; min-width: 70px; }
.consult-unread { position: absolute; top: 50%; left: 50%; z-index: 8; display: grid; min-width: 30px; height: 30px; padding: 0 7px; place-items: center; border: 2px solid #fff; border-radius: 50%; color: #fff; background: #e12632; box-shadow: 0 4px 16px rgba(120,0,10,.32); font-size: 14px; font-weight: 800; line-height: 1; transform: translate(-50%,-50%); }
.consult-unread::after { position: absolute; right: -3px; bottom: 1px; width: 8px; height: 8px; border-right: 2px solid #fff; border-bottom: 2px solid #fff; content: ""; background: #e12632; transform: rotate(-22deg) skew(-8deg); }
.consult-drop.has-new-message { animation: consult-unread-jump 440ms cubic-bezier(.2,.8,.3,1); }
@keyframes consult-unread-jump { 0%,100% { transform: translateZ(0) scale(1); } 45% { transform: translateY(-12px) scale(1.06); } }

/* 邮箱验证是临时面板；验证后的训练、预览与保存均回到原聊天流内完成。 */
.consult-training { display: flex; height: min(680px, calc(100vh - 170px)); min-height: 460px; flex-direction: column; }
.consult-training > header { display: flex; flex: 0 0 64px; align-items: center; gap: 18px; padding: 0 64px 0 22px; border-bottom: 1px solid rgba(13,16,20,.08); }
.consult-training button { min-height: 40px; padding: 0 16px; border: 1px solid rgba(13,16,20,.12); border-radius: 999px; color: #171a1f; background: #fff; cursor: pointer; font: inherit; font-size: 15px; font-weight: 650; }
.training-login { width: min(430px, calc(100% - 44px)); margin: auto; padding: 30px; border: 1px solid rgba(13,16,20,.1); border-radius: 22px; background: #fff; }
.training-login h2 { margin: 0 0 10px; font-size: 26px; }
.training-login p { color: #626872; font-size: 15px; line-height: 1.6; }
.training-login form, .training-login label { display: grid; gap: 10px; }
.training-login input { width: 100%; border: 1px solid rgba(13,16,20,.14); border-radius: 12px; padding: 12px 13px; font: inherit; font-size: 16px; }
.chat-training-toolbar, .chat-training-source { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 22px; border-bottom: 1px solid rgba(13,16,20,.08); background: #f2f6ff; }
.chat-training-toolbar div, .chat-training-source div { display: grid; min-width: 0; gap: 2px; }
.chat-training-toolbar strong, .chat-training-source strong { color: #17213b; font-size: 15px; }
.chat-training-toolbar span, .chat-training-source span { overflow: hidden; color: #5f6878; font-size: 14px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.chat-training-toolbar nav { display: flex; flex: 0 0 auto; align-items: center; gap: 8px; }
.chat-training-toolbar button, .chat-training-toolbar a, .chat-training-source button, .training-inline-preview button, .training-inline-recovery button { display: inline-grid; flex: 0 0 auto; min-height: 34px; padding: 0 14px; place-items: center; border: 1px solid rgba(13,16,20,.12); border-radius: 999px; color: #171a1f; background: #fff; cursor: pointer; font: inherit; font-size: 14px; font-weight: 650; }
.chat-training-source { background: #fff8df; }
.chat-training-source span { color: #5b5130; }
.consult-widget.is-training-session .consult-chat-privacy { display: none; }
.consult-widget.is-training-session .consult-chat-compose { background: #f7f9ff; box-shadow: inset 0 3px 0 #235bda; }
.consult-widget.is-training-session .consult-chat-compose button { background: #235bda; }
.training-inline { width: min(82%, 680px); margin: 0; padding: 12px 14px; border-radius: 15px; font-size: 16px; line-height: 1.55; }
.training-inline.is-admin { align-self: flex-end; color: #fff; background: #235bda; }
.training-inline.is-system { align-self: flex-start; color: #273044; background: #edf2ff; }
.training-inline.is-status { align-self: flex-start; padding-block: 8px; color: #606978; background: transparent; font-size: 14px; }
.training-inline-preview { display: grid; align-self: stretch; gap: 12px; margin: 0; padding: 16px; border: 1px solid rgba(35,91,218,.22); border-radius: 18px; background: rgba(237,243,255,.78); }
.training-inline-preview > header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.training-inline-preview > header small { color: #667086; font-size: 14px; }
.training-inline-preview dl { display: grid; gap: 10px; margin: 0; }
.training-inline-preview dl div { display: grid; grid-template-columns: 90px 1fr; gap: 12px; }
.training-inline-preview dt { color: #636a74; font-size: 14px; }
.training-inline-preview dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; font-size: 15px; line-height: 1.55; }
.training-inline-preview footer { display: flex; flex-wrap: wrap; gap: 8px; }
.training-inline-preview [data-training-publish] { justify-self: start; color: #fff; background: #101318; }
.training-inline-pending { display: grid; gap: 10px; align-self: stretch; padding: 16px; border: 1px solid rgba(13,16,20,.12); border-radius: 18px; background: rgba(255,255,255,.9); }
.training-inline-pending > header, .training-inline-pending > section { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.training-inline-pending > section { padding-top: 10px; border-top: 1px solid rgba(13,16,20,.08); }
.training-inline-pending > section div { display: grid; gap: 4px; min-width: 0; }
.training-inline-pending small { color: #667086; font-size: 14px; }
.training-inline-pending button { min-height: 34px; padding: 0 14px; border: 1px solid rgba(13,16,20,.12); border-radius: 999px; background: #fff; cursor: pointer; font: inherit; font-size: 14px; font-weight: 650; white-space: nowrap; }

@media (max-width: 1100px) {
  :root { --shell-inset: 40px; }
  .site-header { width: calc(100vw - 88px); }
  .site-header nav { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .hero { margin-top: 0; padding: 72px 46px 46px; }
  .hero-copy { width: min(650px, 62vw); }
  .hero-clients { grid-template-columns: 170px 1fr; min-height: 174px; }
  .hero-clients > header { padding-left: 18px; }
  .hero-clients h2 { font-size: 28px; }
  .hero-clients ul { grid-template-columns: repeat(3, 1fr); }
  .hero-clients li { height: 112px; }
  .hero-clients img { transform: scale(.9); }
  .section-heading, .proof-heading > div { grid-template-columns: 1fr; gap: 30px; }
  .method-rail { grid-template-columns: 1fr 1fr; }
  .method-rail article { min-height: 230px; border-bottom: 1px solid #cdd0d5; }
  .security { grid-template-columns: 1fr; gap: 30px; }
  .scope-heading, .service header, .experience { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article { min-height: 0; border-right: 0; border-bottom: 1px solid #bfc3c8; }
  .service-grid article:last-child { border-bottom: 0; }
  .security-visual { max-width: 520px; margin: auto; }
}

@media (max-width: 680px) {
  :root { --shell-inset: 28px; --radius: 22px; }
  .site-header { top: 10px; grid-template-columns: minmax(0, 1fr) auto; width: calc(100vw - 44px); min-height: 62px; padding-left: 24px; }
  .brand b, .brand small { font-size: 20px; }
  .nav-cta { min-width: 116px; height: 43px; padding-inline: 14px; gap: 10px; font-size: 14px; }
  .nav-cta .go-mark { min-width: 31px; height: 22px; font-size: 13px; }
  .hero { min-height: 760px; aspect-ratio: auto; margin-top: 0; margin-bottom: 0; padding: 112px 22px 76px; align-items: flex-end; }
  .hero-copy { width: 100%; padding: 35px 0 0; }
  .hero-visual::after { background: linear-gradient(180deg, rgba(247,248,246,.08) 0%, rgba(247,248,246,.42) 40%, rgba(247,248,246,.96) 67%, #f7f8f6 100%); }
  .production-video { right: auto; left: 0; width: 100%; object-position: 62% center; }
  .hero h1 { font-size: clamp(43px, 11.5vw, 49px); }
  .hero-lead { font-size: 16px; line-height: 1.75; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-clients { display: block; min-height: 410px; padding-top: 22px; }
  .hero-clients > header { display: flex; align-items: baseline; justify-content: space-between; padding: 0 8px 18px; }
  .hero-clients h2 { font-size: 28px; }
  .hero-clients > header p { margin: 0; font-size: 14px; }
  .hero-clients ul { grid-template-columns: repeat(3, 1fr); height: auto; }
  .hero-clients li { grid-template-rows: 28px 20px 40px; height: 108px; padding: 0 7px; border-top: 1px solid rgba(14,17,21,.07); }
  .hero-clients img { max-width: min(var(--logo-max-width, 88px), 100%); transform: scale(.88); }
  .hero-clients .client-name { font-size: 20px; line-height: 28px; }
  .principle-band { padding: 80px 22px; }
  .principle-band h2 { font-size: 36px; }
  .principle-points { grid-template-columns: 1fr; margin-top: 50px; }
  .principle-points span, .principle-points span + span { padding: 18px 0; border-right: 0; border-bottom: 1px solid #37383d; }
  .expertise { padding-block: 90px; }
  .section-heading h2, .proof-heading h2, .security h2 { font-size: 40px; }
  .expertise-grid { grid-template-columns: 1fr; }
  .expertise-card { aspect-ratio: .9; }
  .proof { padding-block: 90px; }
  .proof-heading > div { grid-template-columns: 1fr; }
  .case-controls { align-items: flex-start; gap: 18px; }
  .case-controls > span { max-width: 170px; font-size: 14px; }
  .case-controls button { min-width: 48px; width: 48px; padding: 0; font-size: 0; }
  .case-card { height: 640px; }
  .case-window::after { width: 54px; }
  .method { padding-block: 95px; }
  .method-rail { grid-template-columns: 1fr; }
  .method-rail article, .method-rail article + article { min-height: 190px; padding: 23px 0; border-right: 0; }
  .method-rail h3 { margin-top: 55px; }
  .security { min-height: 0; margin-bottom: 90px; padding: 34px 22px 45px; border-radius: 28px; }
  .security-visual { width: 100%; }
  .contact { padding-top: 90px; }
  .scope, .experience, .service { padding-block: 90px; }
  .scope-heading h2, .experience h2, .service h2 { font-size: 40px; }
  .scope-gallery .case-controls { margin-top: 46px; }
  .service header { gap: 24px; }
  .service-grid { margin-top: 44px; }
  .service-grid article { padding: 24px 0; }
  .service-grid h3 { margin-top: 28px; }
  .contact h2 { font-size: 48px; }
  .contact h2 em { display: block; }
  .contact footer { align-items: flex-start; flex-direction: column; gap: 8px; margin-top: 90px; }
  .consult-drop { bottom: 14px; width: 96px; height: 96px; }
  .consult-drop-copy { width: 162px; min-height: 50px; padding-block: 15px; font-size: 14px; }
  .consult-drop-copy-left { right: 50%; padding-right: 46px; }
  .consult-drop-copy-right { left: 50%; padding-left: 46px; }
  .consult-drop-go { font-size: 18px; }
  .consult-drop-aura { filter: blur(12px); }
  .consult-widget { bottom: 14px; width: 96px; height: 96px; margin-left: -48px; }
  .consult-drop-tip { bottom: 108px; padding: 14px 17px; font-size: 15px; }
  .consult-panel { bottom: 116px; width: calc(100vw - 28px); max-height: calc(100vh - 142px); overflow: auto; padding: 12px; border-radius: 23px; }
  .consult-panel-home { grid-template-columns: 1fr; }
  .consult-channel { min-height: 122px; }
  .consult-form { grid-template-columns: 1fr; padding: 16px; }
  .consult-form-state { grid-column: 1; }
  .consult-panel.is-chat { height: calc(100vh - 142px) !important; }
  .consult-chat { height: 100% !important; }
  .consult-widget.is-training-session .consult-chat header > span, .consult-training > header strong { display: none; }
  .consult-chat header, .consult-training > header { gap: 7px; padding-left: 12px; padding-right: 58px; }
  .consult-chat header button, .consult-training > header button { min-height: 36px; padding-inline: 10px; font-size: 14px; white-space: nowrap; }
  .consult-chat header .admin-mode-exit, .consult-training > header .admin-mode-exit { margin-left: auto; }
  .consult-widget.is-training-session .consult-chat header, .consult-widget.is-training-session .consult-training > header { position: relative; flex-basis: 106px; height: 106px; align-items: flex-start; padding-top: 12px; }
  .consult-widget.is-training-session .consult-chat header .admin-mode-exit, .consult-widget.is-training-session .consult-training > header .admin-mode-exit { position: absolute; top: 58px; left: 12px; margin: 0; }
  .consult-chat-resize { display: none; }
  .consult-training { height: calc(100vh - 142px); min-height: 0; }
  .chat-training-toolbar, .chat-training-source { align-items: flex-start; padding: 9px 12px; }
  .chat-training-toolbar span, .chat-training-source span { display: -webkit-box; overflow: hidden; white-space: normal; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .chat-training-toolbar button, .chat-training-source button { padding-inline: 10px; font-size: 13px; }
  .training-inline { width: 92%; }
  .training-inline-preview { padding: 14px; }
  .training-inline-preview dl div { grid-template-columns: 1fr; gap: 3px; }
  .training-inline-pending > section { align-items: flex-start; flex-direction: column; }
  .chat-input-wrap textarea { padding-bottom: 12px; }
  .chat-send-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .case-track { scroll-behavior: auto; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .typing-dots b { animation: none; opacity: .7; transform: none; }
}
