:root {
  --ink: #071018;
  --ink-soft: #1a2a3a;
  --paper: #e8eef4;
  --paper-deep: #d4dde8;
  --mist: rgba(7, 16, 24, 0.58);
  --faint: rgba(7, 16, 24, 0.38);
  --line: rgba(7, 16, 24, 0.1);
  --teal: #0f9f8f;
  --teal-bright: #2dd4bf;
  --teal-deep: #0a6f64;
  --amber: #d97706;
  --amber-soft: #f59e0b;
  --focus-from: #0a6f64;
  --focus-to: #1a4a6e;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 400;
  line-height: 1.65;
  background:
    radial-gradient(ellipse 90% 60% at 80% -10%, rgba(45, 212, 191, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at -5% 30%, rgba(245, 158, 11, 0.12), transparent 50%),
    linear-gradient(165deg, #f4f7fb 0%, var(--paper) 42%, var(--paper-deep) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
}

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

/* —— 导航 —— */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}

.nav.is-solid {
  background: rgba(244, 247, 251, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.1;
}

.brand-zh {
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
}

.brand-en {
  font-family: "Syne", sans-serif;
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px 28px;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--ink);
  color: #f4f7fb !important;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: transform 0.25s var(--ease), background 0.2s;
}

.nav-cta:hover {
  background: var(--ink-soft);
  color: #fff !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

@media (max-width: 820px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: rgba(244, 247, 251, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 12px;
    justify-content: center;
  }
}

/* —— 首屏 —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: calc(var(--nav-h) + 32px) 0 72px;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
  padding-bottom: 8vh;
}

.hero-brand {
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-weight: 800;
  font-size: clamp(3.4rem, 11vw, 7.2rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  color: var(--ink);
  opacity: 0;
  transform: translateY(28px);
  animation: rise 1s var(--ease) 0.15s forwards;
}

.hero-brand .en {
  display: block;
  margin-top: 10px;
  font-size: clamp(0.95rem, 2.2vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mist);
}

.hero-lead {
  max-width: 30em;
  margin: 0 0 32px;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--mist);
  opacity: 0;
  transform: translateY(20px);
  animation: rise 1s var(--ease) 0.35s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 1s var(--ease) 0.5s forwards;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--ink);
  color: #f4f7fb;
  box-shadow: 0 16px 40px rgba(7, 16, 24, 0.18);
}

.btn-primary:hover {
  color: #fff;
  background: #122033;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.45);
  color: var(--ink);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--faint);
  opacity: 0;
  animation: rise 1s var(--ease) 0.9s forwards;
}

.hero-scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  animation: pulse-line 2.2s ease-in-out infinite;
}

@keyframes pulse-line {
  0%,
  100% {
    opacity: 0.35;
    transform: scaleY(0.7);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* —— 区块通用 —— */
.section {
  padding: 96px 0;
  position: relative;
}

.section-label {
  display: inline-block;
  margin: 0 0 14px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--teal);
}

.section h2 {
  margin: 0 0 16px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-weight: 700;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-lead {
  margin: 0;
  max-width: 38em;
  color: var(--mist);
  font-size: 1.05rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* —— 关于 —— */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

@media (max-width: 820px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.about-copy p {
  margin: 0 0 18px;
  color: var(--mist);
  font-size: 1.05rem;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-meta {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.about-meta div {
  display: grid;
  grid-template-columns: 7.5em 1fr;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.about-meta dt {
  margin: 0;
  color: var(--faint);
}

.about-meta dd {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 500;
}

/* —— 专注方向 —— */
.products-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 40px;
}

.product-stage {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 18px;
  min-height: 420px;
}

@media (max-width: 900px) {
  .product-stage {
    grid-template-columns: 1fr;
  }
}

.focus-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: 28px;
  min-height: 420px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  text-decoration: none;
  background:
    linear-gradient(160deg, rgba(7, 16, 24, 0.12), rgba(7, 16, 24, 0.68)),
    linear-gradient(135deg, var(--focus-from), var(--focus-to));
  transition: transform 0.4s var(--ease);
}

.focus-hero:hover {
  transform: translateY(-4px);
  color: #fff;
}

.focus-hero::before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.2), transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(45, 212, 191, 0.28), transparent 35%);
  animation: drift 12s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-4%, 3%) scale(1.06);
  }
}

.product-badge {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: auto;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.focus-hero h3 {
  margin: 0 0 10px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.focus-hero p {
  margin: 0 0 22px;
  max-width: 28em;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1rem;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
}

.product-link svg {
  transition: transform 0.25s var(--ease);
}

.focus-hero:hover .product-link svg {
  transform: translateY(4px);
}

.product-pipeline {
  display: grid;
  gap: 18px;
}

.pipe-slot {
  position: relative;
  border-radius: 22px;
  padding: 28px 24px;
  min-height: 140px;
  background: rgba(255, 255, 255, 0.48);
  border: 1px dashed rgba(7, 16, 24, 0.18);
  overflow: hidden;
}

.pipe-slot::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 159, 143, 0.12), transparent 70%);
}

.pipe-slot .tag {
  display: inline-block;
  margin-bottom: 12px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.pipe-slot h4 {
  margin: 0 0 8px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 1.2rem;
}

.pipe-slot p {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
  max-width: 22em;
}

/* —— 研发探索 —— */
.detail {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.35) 20%, transparent);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

@media (max-width: 820px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

.detail-item {
  padding: 8px 4px 8px 0;
  border-top: 2px solid var(--ink);
}

.detail-item h3 {
  margin: 18px 0 10px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.detail-item p {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
}

.mission-bar {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mission-title {
  display: block;
  margin-bottom: 8px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
}

.mission-bar p {
  margin: 0;
  color: var(--mist);
  max-width: 38em;
}

/* —— 联系 —— */
.contact-block {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .contact-block {
    grid-template-columns: 1fr;
  }
}

.contact-item {
  padding: 28px 24px 28px 0;
  border-bottom: 1px solid var(--line);
}

.contact-item:nth-child(odd) {
  padding-right: 32px;
  border-right: 1px solid var(--line);
}

@media (max-width: 640px) {
  .contact-item:nth-child(odd) {
    border-right: none;
    padding-right: 0;
  }
}

.contact-item .k {
  display: block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--faint);
  font-family: "Syne", "Noto Sans SC", sans-serif;
}

.contact-item .v {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
}

.contact-item a.v {
  text-decoration: none;
  color: var(--ink);
}

.contact-item a.v:hover {
  color: var(--teal);
}

/* —— 页脚 —— */
.footer {
  padding: 40px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px 32px;
  align-items: flex-start;
}

.footer a {
  color: var(--mist);
  text-decoration: none;
}

.footer a:hover {
  color: var(--ink);
}

.footer-brand {
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-weight: 700;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.footer-desc {
  margin-top: 6px;
  color: var(--mist);
}

.footer-copy {
  margin-top: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
}

/* —— 对外合作页 —— */
.page-coop .nav {
  background: rgba(244, 247, 251, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.page-hero {
  position: relative;
  min-height: min(78svh, 720px);
  display: grid;
  align-items: end;
  padding: calc(var(--nav-h) + 48px) 0 64px;
  overflow: hidden;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.page-kicker {
  margin: 0 0 16px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--teal);
}

.page-brand {
  margin: 0 0 20px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-brand .page-sub {
  display: block;
  margin-top: 12px;
  font-size: clamp(1.15rem, 2.8vw, 1.55rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.page-lead {
  max-width: 30em;
  margin: 0 0 32px;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--mist);
}

.page-hero .hero-actions {
  opacity: 1;
  transform: none;
  animation: none;
}

.why-grid {
  margin-top: 48px;
}

.partner-list {
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.partner-row {
  display: grid;
  grid-template-columns: minmax(10em, 0.42fr) 1fr;
  gap: 16px 32px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

@media (max-width: 720px) {
  .partner-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.partner-name {
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.partner-desc {
  color: var(--mist);
  font-size: 0.98rem;
}

.cap-stage {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 18px;
  margin-top: 40px;
  min-height: 360px;
}

@media (max-width: 900px) {
  .cap-stage {
    grid-template-columns: 1fr;
  }
}

.cap-main {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: 28px;
  min-height: 360px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  background:
    linear-gradient(160deg, rgba(7, 16, 24, 0.12), rgba(7, 16, 24, 0.68)),
    linear-gradient(135deg, var(--focus-from), var(--focus-to));
}

.cap-main::before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.2), transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(45, 212, 191, 0.28), transparent 35%);
  animation: drift 12s ease-in-out infinite alternate;
}

.cap-main h3 {
  margin: 0 0 10px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.cap-main p {
  margin: 0;
  max-width: 28em;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1rem;
}

.cap-side {
  display: grid;
  gap: 18px;
}

.mode-list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.mode-item {
  display: grid;
  grid-template-columns: 4.5em 1fr;
  gap: 16px 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.mode-num {
  font-family: "Syne", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--teal);
  padding-top: 4px;
}

.mode-item h3 {
  margin: 0 0 8px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.mode-item p {
  margin: 0;
  color: var(--mist);
  max-width: 40em;
}

.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 40px;
  border-top: 2px solid var(--ink);
}

@media (max-width: 900px) {
  .process-track {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .process-track {
    grid-template-columns: 1fr;
  }
}

.process-step {
  padding: 24px 20px 8px 0;
  border-right: 1px solid var(--line);
}

.process-track .process-step:last-child {
  border-right: none;
}

@media (max-width: 900px) {
  .process-step {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-right: 0;
  }
}

.process-step strong {
  display: block;
  margin-bottom: 10px;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 1.1rem;
}

.process-step p {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
}

.coop-note {
  margin: 36px 0 0;
  max-width: 48em;
  font-size: 0.88rem;
  color: var(--faint);
  line-height: 1.7;
}

/* —— 悬浮客服 —— */
.cs-root {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.cs-fab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 18px 0 14px;
  border: none;
  border-radius: 999px;
  background: var(--ink);
  color: #f4f7fb;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 14px 36px rgba(7, 16, 24, 0.22);
  transition: transform 0.25s var(--ease), background 0.2s;
}

.cs-fab:hover {
  background: #122033;
  transform: translateY(-2px);
}

.cs-fab.is-open {
  background: var(--ink-soft);
}

.cs-fab-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.18);
  color: var(--teal-bright);
}

.cs-panel {
  width: min(360px, calc(100vw - 40px));
  padding: 20px;
  border-radius: 20px;
  background: rgba(244, 247, 251, 0.96);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(7, 16, 24, 0.16);
  animation: cs-rise 0.28s var(--ease);
}

@keyframes cs-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.cs-panel-head strong {
  display: block;
  font-family: "Syne", "Noto Sans SC", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.cs-panel-head p {
  margin: 6px 0 0;
  font-size: 0.88rem;
  color: var(--mist);
  line-height: 1.5;
}

.cs-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.cs-field {
  display: grid;
  gap: 6px;
}

.cs-field span {
  font-size: 0.78rem;
  color: var(--faint);
  letter-spacing: 0.04em;
}

.cs-field input,
.cs-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.92rem;
  padding: 10px 12px;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cs-field input:focus,
.cs-field textarea:focus {
  border-color: rgba(15, 159, 143, 0.55);
  box-shadow: 0 0 0 3px rgba(15, 159, 143, 0.12);
}

.cs-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.cs-action {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, opacity 0.2s;
}

.cs-action:disabled {
  opacity: 0.65;
  cursor: wait;
}

.cs-action-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #f4f7fb;
}

.cs-action-primary:hover:not(:disabled) {
  background: #122033;
  border-color: #122033;
  color: #fff;
}

.cs-form-status {
  margin: 0;
  min-height: 1.2em;
  font-size: 0.82rem;
  color: var(--mist);
  line-height: 1.45;
}

.cs-form-status.is-error {
  color: #b42318;
}

.cs-form-status.is-ok {
  color: var(--teal-deep);
}

.cs-coop-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.cs-coop-link:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

@media (max-width: 480px) {
  .cs-root {
    right: 14px;
    bottom: 14px;
  }

  .cs-fab-text {
    display: none;
  }

  .cs-fab {
    width: 52px;
    padding: 0;
    justify-content: center;
  }
}