/* ==========================================================================
   Components：导航、按钮、链接、背景光晕、卡片、滚动条、CTA、页脚
   ========================================================================== */

/* ---------- Ambient background ---------- */
@keyframes drift-a { to { transform: translate3d(-140px, 90px, 0) scale(1.15); } }
@keyframes drift-b { to { transform: translate3d(160px, -70px, 0) scale(0.9); } }
@keyframes pulse-ring { 0% { transform: scale(1); opacity: 0.6; } 100% { transform: scale(2.4); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.aurora i { position: absolute; border-radius: 50%; will-change: transform; }
.aurora .a1 {
  width: 760px; height: 760px;
  background: radial-gradient(circle, var(--glow-lemon), rgba(215, 249, 74, 0) 62%);
  animation: drift-a 26s ease-in-out infinite alternate;
}
.aurora .a2 {
  width: 680px; height: 680px;
  background: radial-gradient(circle, var(--glow-cyan), rgba(94, 230, 240, 0) 62%);
  animation: drift-b 32s ease-in-out infinite alternate;
}
.gridbg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 25%, transparent 80%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 25%, transparent 80%);
}
.live-dot { position: relative; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--c-lemon); flex: none; }
.live-dot::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--c-lemon); animation: pulse-ring 1.8s ease-out infinite; }
.live-dot--sm { width: 6px; height: 6px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease-out), border-color var(--dur), backdrop-filter var(--dur);
}
.nav.is-scrolled,
.nav.is-open {
  background: rgba(7, 8, 10, 0.72);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--c-line);
}
.nav__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: var(--nav-h); }

.brand { display: flex; align-items: center; gap: 12px; color: var(--c-text); }
.brand:hover { color: var(--c-text); }
.brand__logo { width: 34px; height: 34px; transition: transform 0.8s var(--ease-out); }
.brand:hover .brand__logo { transform: rotate(60deg); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__cn { font-size: 17px; font-weight: 700; letter-spacing: 0.06em; }
.brand__en { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; color: var(--c-dim); }

.nav__links {
  display: flex; gap: 2px; padding: 3px;
  border-radius: var(--r-pill); border: 1px solid var(--c-line); background: rgba(255, 255, 255, 0.025);
}
.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 16px; border-radius: var(--r-pill);
  color: var(--c-muted); font-size: 14px; font-weight: 500;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.nav__link:hover { color: var(--c-text); background: rgba(255, 255, 255, 0.05); }
.nav__link[aria-current="page"] { color: var(--c-text); background: rgba(255, 255, 255, 0.08); }
.nav__link[aria-current="page"]::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-lemon); box-shadow: 0 0 10px var(--c-lemon);
}
.nav__actions { display: flex; align-items: center; gap: 10px; }
.nav__toggle {
  display: none; width: 44px; height: 44px; border-radius: var(--r-sm);
  border: 1px solid var(--c-line-2); background: transparent; color: var(--c-text);
  cursor: pointer; align-items: center; justify-content: center;
}
.nav__toggle svg { transition: transform var(--dur) var(--ease-out); }
.nav.is-open .nav__toggle svg { transform: rotate(90deg); }

@media (max-width: 820px) {
  .nav__links {
    display: none; position: absolute; left: 16px; right: 16px; top: calc(var(--nav-h) + 4px);
    flex-direction: column; padding: 8px; border-radius: var(--r-md);
    background: rgba(14, 16, 19, 0.97); border-color: var(--c-line-2);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  }
  .nav.is-open .nav__links { display: flex; }
  .nav__link { height: 48px; font-size: 16px; }
  .nav__toggle { display: inline-flex; }
  .nav__actions .nav__cta { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 26px; border-radius: var(--r-pill); border: 0;
  font-size: 16px; font-weight: 600; white-space: nowrap; cursor: pointer;
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.btn svg { transition: transform var(--dur) var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--c-lemon); color: var(--c-on-lemon);
  box-shadow: 0 0 0 1px rgba(215, 249, 74, 0.3), 0 8px 30px -12px rgba(215, 249, 74, 0.45);
}
.btn--primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.6) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform 0.9s var(--ease-out);
}
.btn--primary:hover {
  color: var(--c-on-lemon); transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(215, 249, 74, 0.5), 0 14px 40px -12px rgba(215, 249, 74, 0.6);
}
.btn--primary:hover::after { transform: translateX(120%); }

.btn--ghost { color: var(--c-text); background: rgba(255, 255, 255, 0.03); border: 1px solid var(--c-line-2); }
.btn--ghost:hover { color: var(--c-text); background: rgba(255, 255, 255, 0.07); border-color: var(--c-line-3); }

.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }

.link-arrow { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 600; color: var(--c-lemon); }
.link-arrow span { background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size var(--dur) var(--ease-out); }
.link-arrow svg { transition: transform var(--dur) var(--ease-out); }
.link-arrow:hover span { background-size: 100% 1px; }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- Cards ---------- */
.card {
  position: relative; overflow: hidden;
  border-radius: 24px; border: 1px solid var(--c-line);
  background: linear-gradient(180deg, #111317, #0c0e11);
  transition: border-color 0.4s, box-shadow var(--dur-slow) var(--ease-out);
}
.card:hover { border-color: rgba(255, 255, 255, 0.18); }
.card > * { position: relative; z-index: 1; }

/* 鼠标跟随光斑：JS 写入 --mx / --my */
.has-spot::before {
  content: ""; position: absolute; inset: 0; z-index: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(460px circle at var(--mx, 50%) var(--my, -30%), rgba(215, 249, 74, 0.09), transparent 60%);
  opacity: 0; transition: opacity 0.5s;
}
.has-spot:hover::before { opacity: 1; }

/* 主要卡片：轻微 3D Tilt（transform 由 GSAP 写入） */
.has-tilt { transform-style: flat; will-change: transform; }
.has-tilt:hover { box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.9), 0 0 60px -30px rgba(215, 249, 74, 0.3); }

.tag {
  align-self: flex-start; font-size: 12px; color: var(--c-lemon);
  border: 1px solid rgba(215, 249, 74, 0.3); background: rgba(215, 249, 74, 0.06);
  border-radius: var(--r-pill); padding: 4px 12px;
}
.chip { background: rgba(255, 255, 255, 0.05); border-radius: 8px; padding: 5px 10px; font-size: 12px; color: var(--c-text-2); }

/* ---------- Ticker ---------- */
@keyframes marquee { to { transform: translateX(-50%); } }
.ticker {
  position: relative; overflow: hidden; border-block: 1px solid rgba(255, 255, 255, 0.06);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.ticker__track { display: flex; width: max-content; animation: marquee 56s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__group { display: flex; }
.ticker__item {
  display: inline-flex; align-items: center; gap: 10px; padding: 22px 28px;
  font-family: var(--font-body); font-size: 14px; color: var(--c-muted); white-space: nowrap;
}
.ticker__item i { width: 6px; height: 6px; border-radius: 50%; background: var(--c-lemon); box-shadow: 0 0 8px var(--c-lemon); }
.ticker__item em { font-style: normal; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--c-dim); }

/* ---------- CTA ---------- */
.cta {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column; align-items: center; gap: 22px; text-align: center;
  padding: clamp(48px, 7vw, 96px) clamp(24px, 6vw, 80px);
  border-radius: 32px; border: 1px solid var(--c-line-2); background: #0c0e11;
}
.cta > :not(.aurora):not(.gridbg) { position: relative; }
.cta .gridbg {
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, #000 10%, transparent 75%);
}
.cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 8px; }

/* ---------- Footer ---------- */
.footer { position: relative; overflow: hidden; border-top: 1px solid rgba(255, 255, 255, 0.06); background: var(--c-bg-deep); }
.footer__top { display: flex; flex-wrap: wrap; gap: 40px 56px; padding-block: 72px 40px; }
.footer__brand { flex: 2 1 320px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.footer__col { flex: 1 1 160px; display: flex; flex-direction: column; gap: 12px; font-family: var(--font-body); font-size: 14px; color: var(--c-muted); }
.footer__col h2 { margin-bottom: 6px; font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: 0.04em; color: var(--c-text); }
.footer__col a, .footer__legal a { color: var(--c-muted); transition: color var(--dur-fast); display: inline-flex; align-items: center; gap: 6px; min-height: 24px; }
.footer__col a:hover, .footer__legal a:hover { color: var(--c-text); }
.footer__col .footer__accent { color: var(--c-lemon); }
.footer__intro { font-family: var(--font-body); font-size: 14px; line-height: 1.8; color: var(--c-muted); max-width: 360px; }
.footer__wordmark {
  display: block; text-align: center; white-space: nowrap; user-select: none;
  font-size: clamp(72px, 17vw, 248px); font-weight: 700; letter-spacing: -0.05em; line-height: 0.8;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0) 85%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
  margin-bottom: -0.12em;
}
.footer__bottom {
  position: relative; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px;
  padding-block: 22px 28px; border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--font-body); font-size: 13px; color: var(--c-dim);
}
.footer__legal { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 20px; }
.footer__legal a { color: var(--c-dim); font-size: 13px; }

@media (max-width: 760px) {
  .aurora i { animation: none; }
}

/* ---------- 交付流程 ---------- */
.process { position: relative; }
.process__line { position: absolute; left: 0; right: 0; top: 27px; height: 1px; background: rgba(255, 255, 255, 0.1); }
.process__fill { position: absolute; inset: 0; background: var(--grad-brand); transform-origin: left; }
.steps { list-style: none; padding: 0; position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.step { display: flex; flex-direction: column; gap: 14px; }
.step__dot {
  width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--c-bg); border: 1px solid var(--c-line-2);
  font-family: var(--font-mono); font-size: 14px; color: var(--c-lemon);
  transition: background var(--dur), color var(--dur), border-color var(--dur), box-shadow var(--dur);
}
.step.is-on .step__dot, .step:hover .step__dot { background: var(--c-lemon); color: var(--c-on-lemon); border-color: var(--c-lemon); box-shadow: 0 0 30px rgba(215, 249, 74, 0.4); }
.step__title { margin-top: 6px; font-size: 22px; font-weight: 600; }
@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 40px; } .process__line { display: none; } }
@media (max-width: 520px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* ---------- 项目案例 ---------- */
.cases { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); gap: 20px; }
.case {
  position: relative; display: flex; flex-direction: column; overflow: hidden; color: var(--c-text);
  border-radius: 22px; border: 1px solid var(--c-line); background: var(--c-surface);
  transition: border-color 0.4s, transform 0.55s var(--ease-out);
}
.case:hover { color: var(--c-text); border-color: rgba(255, 255, 255, 0.2); transform: translateY(-4px); }
.case__cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #0b0d10; }
.case__cover .gridbg { background-size: 32px 32px; }
.case__glow { position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(215, 249, 74, 0.18), transparent 65%); transition: transform 0.9s var(--ease-out); }
.case:hover .case__glow { transform: translate(18%, 8%) scale(1.1); }
.case__label { position: absolute; left: 20px; bottom: 18px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; color: var(--c-dim); }
.case__ph { position: absolute; right: 20px; top: 18px; font-family: var(--font-mono); font-size: 11px; color: var(--c-dim); }
.case__body { display: flex; flex-direction: column; gap: 10px; padding: 24px 26px 26px; }
.case__meta { display: flex; gap: 8px; flex-wrap: wrap; }

/* ==========================================================================
   内页通用：页头、面包屑、分类筛选、详情页布局、功能卡、清单、信息表、正文
   ========================================================================== */

/* ---------- 页头 ---------- */
.page-hero { position: relative; overflow: hidden; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.page-hero__in {
  position: relative; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
  gap: 32px; padding-block: clamp(56px, 7vw, 96px) clamp(48px, 6vw, 72px);
}
.page-hero__title { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.page-hero .h1 { font-size: clamp(30px, 8.4vw, 72px); }
@media (min-width: 1024px) { .page-hero .h1 { font-size: clamp(56px, 5vw, 72px); } }
.page-hero .lead { max-width: 440px; }

/* ---------- 面包屑 ---------- */
.crumbs { padding-top: 28px; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px 8px; list-style: none; padding: 0; font-family: var(--font-body); font-size: 13px; color: var(--c-dim); }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: #3a3f48; }
.crumbs a { color: var(--c-muted); transition: color var(--dur-fast); }
.crumbs a:hover { color: var(--c-text); }
.crumbs [aria-current] { color: var(--c-text-2); }

/* ---------- 分类筛选（链接形式，无 JS 时走 ?cat= 服务端筛选） ---------- */
.filter {
  position: sticky; top: var(--nav-h); z-index: 40;
  background: rgba(7, 8, 10, 0.8); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.filter__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.filter__tabs { position: relative; display: flex; gap: 6px; padding: 14px 0; overflow-x: auto; scrollbar-width: none; }
.filter__tabs::-webkit-scrollbar { display: none; }
.filter__tab {
  position: relative; z-index: 1; flex: none; display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 20px; border-radius: var(--r-pill); border: 1px solid var(--c-line-2);
  color: var(--c-text-2); font-size: 15px; font-weight: 500;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.filter__tab:hover { color: var(--c-text); border-color: var(--c-line-3); }
.filter__tab small { font-family: var(--font-mono); font-size: 11px; opacity: 0.6; }
.filter__tab.is-active { background: var(--c-lemon); border-color: var(--c-lemon); color: var(--c-on-lemon); font-weight: 700; }
.filter__pill { position: absolute; left: 0; top: 14px; z-index: 0; width: 0; height: 44px; border-radius: var(--r-pill); background: var(--c-lemon); opacity: 0; pointer-events: none; }
.filter.is-ready .filter__pill { opacity: 1; }
.filter.is-ready .filter__tab.is-active { background: transparent; border-color: transparent; }
.filter__count { flex: none; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--c-dim); }
@media (max-width: 520px) { .filter__count { display: none; } }

/* ---------- 详情页首屏 ---------- */
.detail-hero { position: relative; overflow: hidden; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.detail-hero__grid {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px); align-items: center; padding-block: 40px clamp(56px, 7vw, 96px);
}
@media (max-width: 960px) { .detail-hero__grid { grid-template-columns: minmax(0, 1fr); } }
.detail-hero__copy { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.detail-hero .h1 { font-size: clamp(36px, 4.4vw, 60px); }
.detail-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 功能卡 ---------- */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 16px; }
.feature { display: flex; flex-direction: column; gap: 12px; padding: 28px; }
.feature__ic {
  width: 44px; height: 44px; border-radius: var(--r-sm); display: inline-flex; align-items: center; justify-content: center;
  background: rgba(215, 249, 74, 0.1); color: var(--c-lemon); border: 1px solid rgba(215, 249, 74, 0.22);
  transition: transform var(--dur) var(--ease-out), background var(--dur), color var(--dur);
}
.feature:hover .feature__ic { transform: rotate(-8deg); background: var(--c-lemon); color: var(--c-on-lemon); }
.feature__title { font-size: 19px; font-weight: 600; }
.feature__n { font-family: var(--font-mono); font-size: 12px; color: var(--c-dim); }

/* ---------- 两栏 + 清单 ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 960px) { .split { grid-template-columns: minmax(0, 1fr); } }
.checklist { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.checklist li { display: flex; gap: 12px; font-family: var(--font-body); font-size: 15px; line-height: 1.75; color: var(--c-text-2); }
.checklist li > svg { flex: none; margin-top: 5px; color: var(--c-lemon); }
.checklist b { color: var(--c-text); font-weight: 600; }

/* ---------- 信息表 ---------- */
.meta-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 1px; margin: 0; overflow: hidden; border-radius: var(--r-md); border: 1px solid var(--c-line); background: var(--c-line); }
.meta-list > div { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px; background: var(--c-surface); }
.meta-list dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--c-dim); }
.meta-list dd { margin: 0; font-size: 15px; color: var(--c-text); }

/* ---------- 正文（案例 / 富文本） ---------- */
.prose { display: flex; flex-direction: column; gap: 18px; max-width: 760px; font-family: var(--font-body); font-size: 16px; line-height: 1.9; color: var(--c-text-2); }
.prose h2 { margin-top: 24px; font-family: var(--font-display); font-size: 26px; font-weight: 700; letter-spacing: -0.01em; color: var(--c-text); }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.2em; display: flex; flex-direction: column; gap: 8px; }
.prose ul li::marker { color: var(--c-lemon); }
.todo { color: var(--c-dim); }

/* ---------- 相关推荐标题行 ---------- */
.related-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 32px; }
/* 详情页标题来自后台，长度不定：允许按词换行 */
.detail-hero .ln { white-space: normal; }
/* 手机端分类标签可横向滑动：右侧渐隐提示还有更多 */
@media (max-width: 820px) {
  .filter__tabs { -webkit-mask-image: linear-gradient(90deg, #000 82%, transparent); mask-image: linear-gradient(90deg, #000 82%, transparent); padding-right: 32px; }
}
.case__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease-out); }
.case:hover .case__img { transform: scale(1.04); }
/* 列表为空时的提示 */
.empty { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 72px 24px; border-radius: var(--r-lg); border: 1px dashed var(--c-line-2); text-align: center; }
.empty__title { font-size: 20px; font-weight: 600; }

/* 案例卡片默认图标（无封面图时） */
.case__icon {
  position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px;
  display: flex; align-items: center; justify-content: center; border-radius: 18px;
  background: rgba(215, 249, 74, 0.08); border: 1px solid rgba(215, 249, 74, 0.3); color: var(--c-lemon);
  transition: transform var(--dur-slow) var(--ease-out), background var(--dur);
}
.case__icon--c { background: rgba(94, 230, 240, 0.08); border-color: rgba(94, 230, 240, 0.3); color: var(--c-cyan); }
.case:hover .case__icon { transform: scale(1.08) rotate(-6deg); }