/* 莲花演说 · 学员案例目录（Hub + 详情）
 * 封面图 + 文字摘要均在 HTML；不依赖 JS，不影响爬虫
 */
:root {
  --cs-ink: #14181c;
  --cs-ink-soft: #2c343c;
  --cs-paper: #eef1f4;
  --cs-paper-2: #e3e8ee;
  --cs-card: #ffffff;
  --cs-line: rgba(20, 24, 28, 0.1);
  --cs-muted: #66707a;
  --cs-accent: #c2410c;
  --cs-accent-deep: #9a3412;
  --cs-slate: #334155;
  --cs-display: "Noto Serif SC", "Literata", serif;
  --cs-body: "Noto Sans SC", sans-serif;
  --cs-header-h: 72px;
}

.cs-page {
  background: var(--cs-paper);
  color: var(--cs-ink);
  font-family: var(--cs-body);
  min-height: 100vh;
  padding-top: var(--cs-header-h);
}
.cs-page .site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--cs-line);
  backdrop-filter: blur(8px);
}
.cs-wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

/* Hero */
.cs-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--cs-line);
}
.cs-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 8% 15%, rgba(194, 65, 12, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 45% at 92% 0%, rgba(51, 65, 85, 0.14), transparent 50%),
    linear-gradient(180deg, #e2e8f0 0%, var(--cs-paper) 100%);
  pointer-events: none;
}
.cs-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(20, 24, 28, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 24, 28, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, #000 35%, transparent 95%);
}
.cs-hero-inner { position: relative; z-index: 1; max-width: 760px; }
.cs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--cs-muted);
  margin: 0 0 16px;
}
.cs-breadcrumb a { color: var(--cs-ink-soft); text-decoration: none; }
.cs-breadcrumb a:hover { color: var(--cs-accent); }
.cs-kicker {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cs-accent-deep);
}
.cs-hero h1 {
  margin: 0 0 12px;
  font-family: var(--cs-display);
  font-size: clamp(34px, 5.5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.cs-hero-lead {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cs-ink-soft);
}
.cs-hero-lead a { color: var(--cs-accent-deep); }
.cs-hero-note {
  margin: 0 0 24px;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cs-muted);
}
.cs-hero-note strong { color: var(--cs-ink); font-weight: 600; }
.cs-hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 0;
  padding: 0;
}
.cs-hero-meta li { display: flex; flex-direction: column; gap: 2px; min-width: 88px; }
.cs-hero-meta strong {
  font-family: var(--cs-display);
  font-size: 28px;
  line-height: 1.1;
}
.cs-hero-meta span {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cs-muted);
}

/* Section */
.cs-section { padding: 40px 0 64px; }
.cs-sec-head { margin-bottom: 16px; }
.cs-sec-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cs-slate);
  font-weight: 600;
}
.cs-sec-head h2 {
  margin: 0;
  font-family: var(--cs-display);
  font-size: clamp(22px, 3vw, 28px);
}

.cs-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.cs-filters a {
  display: inline-block;
  padding: 9px 14px;
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
  text-decoration: none;
  color: var(--cs-ink-soft);
  font-size: 13px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.cs-filters a.is-active,
.cs-filters a:hover {
  border-color: var(--cs-accent);
  color: var(--cs-accent-deep);
}
.cs-count {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--cs-muted);
}
.cs-count strong { color: var(--cs-ink); }

/* Cover grid */
.cs-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.cs-card {
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
  overflow: hidden;
  height: 100%;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.cs-card:hover {
  transform: translateY(-3px);
  border-color: rgba(194, 65, 12, 0.35);
  box-shadow: 0 14px 32px rgba(20, 24, 28, 0.1);
}
.cs-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.cs-card-cover {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  background: #1e293b;
  overflow: hidden;
}
.cs-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cs-card-cover-fallback {
  display: grid;
  place-content: center;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 30%, rgba(194, 65, 12, 0.35), transparent 55%),
    linear-gradient(145deg, #1e293b, #0f172a);
  color: #fff;
  text-align: center;
}
.cs-card-cover-code {
  font-family: var(--cs-display);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
}
.cs-card-cover-label {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.2em;
  opacity: 0.7;
}
.cs-card-badge {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 4px 8px;
  background: rgba(15, 23, 42, 0.78);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.02em;
}
.cs-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  flex: 1;
}
.cs-card-body h2 {
  margin: 0;
  font-family: var(--cs-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}
.cs-card-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--cs-ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cs-card-meta {
  margin-top: auto;
  padding-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 12px;
  color: var(--cs-muted);
}
.cs-card-meta span:last-child { color: var(--cs-accent-deep); }

.cs-pager {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  font-size: 14px;
}
.cs-pager a {
  color: var(--cs-accent-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(194, 65, 12, 0.35);
}
.cs-empty,
.cs-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--cs-muted);
}
.cs-empty { margin: 12px 0 0; }
.cs-note { margin: 28px 0 0; }
.cs-empty a,
.cs-note a { color: var(--cs-accent-deep); }

.cs-footer {
  border-top: 1px solid var(--cs-line);
  padding: 28px 0;
  text-align: center;
  font-size: 13px;
  color: var(--cs-muted);
}
.cs-footer p { margin: 0; }
.cs-footer .footer-hub-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  margin: 0 0 16px;
}
.cs-footer .footer-hub-nav a {
  color: var(--cs-accent-deep);
  text-decoration: none;
}
.cs-footer .footer-hub-nav a:hover { text-decoration: underline; }

/* =========================================================
   Case DETAIL — light digital archive (future-tech, not dark)
   Applies to all /cases/*.html with body.cs-detail
   ========================================================= */
.cs-page.cs-detail {
  --cs-ink: #13201a;
  --cs-ink-soft: #3a4a42;
  --cs-paper: #f3f7f5;
  --cs-paper-2: #e8f0ec;
  --cs-card: #ffffff;
  --cs-line: rgba(19, 70, 50, 0.12);
  --cs-muted: #6b7c74;
  --cs-accent: #b8860b;
  --cs-accent-deep: #8a6508;
  --cs-slate: #1f6b52;
  --cs-display: "Playfair Display", "Noto Serif SC", "Literata", serif;
  --cs-mint: #1f8a66;
  --cs-mint-soft: #d8f3e8;
  --cs-gold: #b8860b;
  background:
    radial-gradient(ellipse 55% 40% at 92% 0%, rgba(31, 138, 102, 0.09), transparent 55%),
    radial-gradient(ellipse 45% 35% at 6% 18%, rgba(184, 134, 11, 0.07), transparent 50%),
    linear-gradient(180deg, #eef5f1 0%, #f3f7f5 42%, #e9f0ec 100%);
  color: var(--cs-ink);
}
.cs-page.cs-detail .site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--cs-line);
  backdrop-filter: blur(10px);
}
.cs-page.cs-detail .site-header .logo-text,
.cs-page.cs-detail .site-header .nav-link,
.cs-page.cs-detail .site-header .btn-search,
.cs-page.cs-detail .site-header .mobile-menu-btn {
  color: #1a2a24 !important;
}
.cs-page.cs-detail .site-header .logo-text em { color: var(--cs-mint) !important; }
.cs-page.cs-detail .site-header .nav-link:hover,
.cs-page.cs-detail .site-header .nav-link.active { color: #0f1a15 !important; }
.cs-page.cs-detail .site-header .nav-link::after {
  background: linear-gradient(90deg, var(--cs-mint), var(--cs-gold)) !important;
}

.cs-detail-main {
  position: relative;
  padding: 12px 0 72px;
  overflow: hidden;
}
.cs-detail-main::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31, 138, 102, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 138, 102, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
  opacity: 0.7;
}
/* Digital asset FX — scan / pulse / shimmer (light archive) */
.cs-detail-main::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -20%;
  height: 28%;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(31, 138, 102, 0.06) 45%,
    rgba(184, 134, 11, 0.05) 55%,
    transparent 100%
  );
  animation: cs-fx-scan 7.5s ease-in-out infinite;
}
@keyframes cs-fx-scan {
  0% { transform: translateY(0); opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { transform: translateY(320%); opacity: 0; }
}
.cs-detail-wrap {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
}
.cs-page.cs-detail .cs-breadcrumb { color: var(--cs-muted); }
.cs-page.cs-detail .cs-breadcrumb a { color: var(--cs-ink-soft); }
.cs-page.cs-detail .cs-breadcrumb a:hover { color: var(--cs-mint); }

.cs-asset-ticker {
  overflow: hidden;
  margin: 0 0 8px;
  border-top: 1px solid rgba(31, 138, 102, 0.12);
  border-bottom: 1px solid rgba(31, 138, 102, 0.12);
  background: rgba(255, 255, 255, 0.55);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.cs-asset-ticker-track {
  display: flex;
  width: max-content;
  animation: cs-asset-marquee 32s linear infinite;
}
.cs-asset-ticker-track > span {
  flex: 0 0 auto;
  padding: 7px 16px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: rgba(31, 138, 102, 0.55);
  white-space: nowrap;
  position: relative;
}
.cs-asset-ticker-track > span::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 3px;
  height: 3px;
  margin-top: -1.5px;
  border-radius: 50%;
  background: rgba(184, 134, 11, 0.55);
}
@keyframes cs-asset-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .cs-asset-ticker-track { animation: none; }
}

.cs-detail-hero {
  margin: 8px 0 20px;
  padding: 28px 28px 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(232, 243, 236, 0.88));
  border: 1px solid rgba(31, 138, 102, 0.14);
  border-radius: 2px;
  box-shadow:
    0 18px 40px rgba(19, 50, 38, 0.06),
    inset 0 0 0 1px rgba(255, 255, 255, 0.65);
  position: relative;
  overflow: hidden;
}
.cs-detail-hero::before,
.cs-detail-hero::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  z-index: 2;
  border-style: solid;
  border-color: rgba(31, 138, 102, 0.55);
  animation: cs-fx-corner 3.2s ease-in-out infinite;
}
.cs-detail-hero::before {
  top: 8px;
  left: 8px;
  border-width: 2px 0 0 2px;
}
.cs-detail-hero::after {
  right: 8px;
  bottom: 8px;
  width: 18px;
  height: 18px;
  border-radius: 0;
  border-width: 0 2px 2px 0;
  background: none;
  animation-delay: 1.1s;
}
@keyframes cs-fx-corner {
  0%, 100% { border-color: rgba(31, 138, 102, 0.35); opacity: 0.7; }
  50% { border-color: rgba(184, 134, 11, 0.75); opacity: 1; }
}
.cs-detail-hero .cs-fx-sheen {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 60%
  );
  transform: translateX(-120%);
  animation: cs-fx-sheen 6.5s ease-in-out infinite;
}
@keyframes cs-fx-sheen {
  0%, 55% { transform: translateX(-120%); }
  75%, 100% { transform: translateX(120%); }
}
.cs-detail-hero-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cs-page.cs-detail .cs-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 5px 11px;
  border: 1px solid rgba(31, 138, 102, 0.28);
  background: var(--cs-mint-soft);
  color: var(--cs-mint);
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 700;
  box-shadow: 0 0 0 0 rgba(31, 138, 102, 0.2);
  animation: cs-fx-pulse 2.8s ease-out infinite;
}
.cs-page.cs-detail .cs-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cs-mint);
  box-shadow: 0 0 0 3px rgba(31, 138, 102, 0.18);
  animation: cs-fx-dot 1.8s ease-in-out infinite;
}
@keyframes cs-fx-pulse {
  0% { box-shadow: 0 0 0 0 rgba(31, 138, 102, 0.22); }
  70% { box-shadow: 0 0 0 10px rgba(31, 138, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 138, 102, 0); }
}
@keyframes cs-fx-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.65; }
}
.cs-fx-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  position: relative;
  z-index: 1;
}
.cs-fx-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cs-mint);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(31, 138, 102, 0.22);
  font-family: ui-monospace, "DM Sans", monospace;
}
.cs-fx-badge--gold {
  color: var(--cs-gold);
  border-color: rgba(184, 134, 11, 0.35);
}
.cs-fx-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
}
.cs-detail-hero h1 {
  margin: 0 0 12px;
  font-family: var(--cs-display);
  font-size: clamp(1.65rem, 3.6vw, 2.35rem);
  font-weight: 900;
  line-height: 1.22;
  color: #102018;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
  max-width: 920px;
}
.cs-detail-sub {
  margin: 0;
  font-size: 13px;
  color: var(--cs-muted);
  letter-spacing: 0.01em;
  position: relative;
  z-index: 1;
}
.cs-detail-sub::before {
  content: "ASSET RECORD · ";
  color: var(--cs-gold);
  letter-spacing: 0.12em;
  font-size: 11px;
  font-weight: 700;
}
.cs-asset-id {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cs-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: ui-monospace, "DM Sans", monospace;
  position: relative;
  z-index: 1;
}
.cs-asset-id span {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid rgba(184, 134, 11, 0.4);
  color: var(--cs-gold);
  font-size: 10px;
  letter-spacing: 0.14em;
  background: rgba(255, 255, 255, 0.7);
  animation: cs-fx-id 2.4s ease-in-out infinite;
}
@keyframes cs-fx-id {
  0%, 100% { box-shadow: 0 0 0 0 rgba(184, 134, 11, 0); }
  50% { box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.14); }
}

/* Meta rail — tidy 4-col identity grid (short fields only) */
.cs-page.cs-detail .cs-facts,
.cs-page.cs-detail .cs-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0 0 18px;
  padding: 0;
  background: #fff;
  border: 1px solid var(--cs-line);
  border-radius: 2px;
  box-shadow: 0 10px 28px rgba(19, 50, 38, 0.04);
  overflow: hidden;
}
.cs-page.cs-detail .cs-fact {
  position: relative;
  margin: 0;
  padding: 14px 16px 16px;
  background: #fff;
  border: none;
  border-right: 1px solid var(--cs-line);
  border-bottom: 1px solid var(--cs-line);
  max-width: none;
  min-width: 0;
  overflow: hidden;
  transition: background 0.2s ease;
}
.cs-page.cs-detail .cs-fact:hover {
  background: #f7fbf9;
  transform: none;
  box-shadow: none;
}
.cs-page.cs-detail .cs-fact::before { display: none; }
.cs-page.cs-detail .cs-fact-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cs-muted);
  margin-bottom: 6px;
  font-weight: 600;
}
.cs-page.cs-detail .cs-fact-value {
  display: block;
  font-size: 14px;
  line-height: 1.45;
  color: var(--cs-ink);
  font-weight: 600;
  word-break: break-word;
}
.cs-page.cs-detail .cs-fact-value a {
  color: var(--cs-mint);
  text-decoration: none;
  font-weight: 700;
}
.cs-page.cs-detail .cs-fact-value a:hover { text-decoration: underline; }

/* Long narrative stuck in old HTML facts → full-width rows */
.cs-page.cs-detail .cs-facts > .cs-fact-wide,
.cs-page.cs-detail .cs-meta > .cs-fact-wide {
  grid-column: 1 / -1;
  padding: 18px 20px;
  background: #f7faf8;
  border-right: none;
  border-left: 3px solid var(--cs-gold);
}

/* Signal duo — problem / change as two clear panels */
.cs-page.cs-detail .cs-signals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 28px;
}
.cs-page.cs-detail .cs-signals-title {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cs-muted);
}
.cs-page.cs-detail .cs-signals .cs-fact-wide,
.cs-page.cs-detail .cs-signal-before,
.cs-page.cs-detail .cs-signal-after {
  position: relative;
  padding: 20px 20px 18px;
  background: #fff;
  border: 1px solid var(--cs-line);
  border-radius: 2px;
  box-shadow: 0 10px 28px rgba(19, 50, 38, 0.04);
  overflow: hidden;
}
.cs-page.cs-detail .cs-signal-before {
  border-top: 3px solid rgba(184, 134, 11, 0.85);
}
.cs-page.cs-detail .cs-signal-after {
  border-top: 3px solid rgba(31, 138, 102, 0.85);
}
.cs-page.cs-detail .cs-signals .cs-fact-label {
  color: var(--cs-gold);
  margin-bottom: 10px;
  letter-spacing: 0.12em;
}
.cs-page.cs-detail .cs-signal-after .cs-fact-label { color: var(--cs-mint); }
.cs-page.cs-detail .cs-signals .cs-fact-value {
  font-weight: 500;
  color: var(--cs-ink-soft);
  line-height: 1.75;
  font-size: 14px;
}
.cs-page.cs-detail .cs-signals .cs-fact-wide::before { display: none; }

@media (max-width: 960px) {
  .cs-page.cs-detail .cs-facts,
  .cs-page.cs-detail .cs-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 820px) {
  .cs-page.cs-detail .cs-signals { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .cs-detail-wrap { width: calc(100% - 28px); }
  .cs-detail-hero { padding: 20px 18px 18px; }
  .cs-page.cs-detail .cs-compare-videos { padding: 10px; }
}
@media (max-width: 560px) {
  .cs-page.cs-detail .cs-facts,
  .cs-page.cs-detail .cs-meta {
    grid-template-columns: 1fr;
  }
  .cs-page.cs-detail .cs-fact { border-right: none; }
}
.cs-page.cs-detail .cs-quote {
  margin: 0 0 28px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--cs-line);
  border-left: 3px solid var(--cs-gold);
  box-shadow: 0 10px 28px rgba(19, 50, 38, 0.04);
}
.cs-page.cs-detail .cs-quote p {
  color: var(--cs-ink);
  font-family: var(--cs-display);
}
.cs-page.cs-detail .cs-quote footer { color: var(--cs-muted); }

.cs-page.cs-detail .cs-excerpt-block,
.cs-page.cs-detail .cs-summary-block,
.cs-page.cs-detail .cs-compare-growth,
.cs-page.cs-detail .cs-aside,
.cs-page.cs-detail .cs-problem-kn {
  background: #fff;
  border: 1px solid var(--cs-line);
  color: var(--cs-ink);
  box-shadow: 0 10px 28px rgba(19, 50, 38, 0.04);
}
.cs-page.cs-detail .cs-excerpt-block h2,
.cs-page.cs-detail .cs-summary-block h2,
.cs-page.cs-detail .cs-compare-growth h2,
.cs-page.cs-detail .cs-problem-kn h2 {
  color: var(--cs-ink);
  font-family: var(--cs-display);
}
.cs-page.cs-detail .cs-excerpt,
.cs-page.cs-detail .cs-summary,
.cs-page.cs-detail .cs-compare-growth-list,
.cs-page.cs-detail .cs-aside {
  color: var(--cs-ink-soft);
}
.cs-page.cs-detail .cs-summary p { color: var(--cs-ink-soft); }
.cs-page.cs-detail .cs-related-line strong { color: var(--cs-gold); }
.cs-page.cs-detail .cs-aside a,
.cs-page.cs-detail .cs-problem-kn a {
  color: var(--cs-mint);
}
.cs-page.cs-detail .cs-problem-kn {
  background: linear-gradient(180deg, #fff 0%, #f5fbf8 100%);
  border-left: 3px solid var(--cs-gold);
}
.cs-page.cs-detail .cs-problem-kn-eyebrow {
  color: var(--cs-gold);
}

.cs-page.cs-detail .cs-media {
  margin: 0 0 22px;
  background: #0f1c17;
  border: 1px solid rgba(31, 138, 102, 0.2);
  border-radius: 2px;
  box-shadow: 0 22px 48px rgba(19, 50, 38, 0.12);
  overflow: hidden;
}
.cs-page.cs-detail .cs-compare-videos {
  margin: 0 0 22px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--cs-line);
  border-radius: 2px;
}
.cs-page.cs-detail .cs-compare-cell {
  background: #fff;
  border: 1px solid var(--cs-line);
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(19, 50, 38, 0.06);
}
.cs-page.cs-detail .cs-compare-cell::before,
.cs-page.cs-detail .cs-compare-cell::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: rgba(31, 138, 102, 0.55);
  border-style: solid;
  pointer-events: none;
  z-index: 2;
}
.cs-page.cs-detail .cs-compare-cell::before {
  top: 8px;
  left: 8px;
  border-width: 1.5px 0 0 1.5px;
  animation: cs-fx-corner 3.6s ease-in-out infinite;
}
.cs-page.cs-detail .cs-compare-cell::after {
  right: 8px;
  bottom: 8px;
  border-width: 0 1.5px 1.5px 0;
  animation: cs-fx-corner 3.6s ease-in-out infinite 0.9s;
}
.cs-page.cs-detail .cs-compare-cell .cs-fx-cell-scan {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 35%;
  pointer-events: none;
  z-index: 1;
  background: linear-gradient(180deg, rgba(31, 138, 102, 0.1), transparent);
  animation: cs-fx-cell-scan 4.8s ease-in-out infinite;
  opacity: 0.55;
}
@keyframes cs-fx-cell-scan {
  0% { transform: translateY(-10%); }
  100% { transform: translateY(220%); }
}
.cs-page.cs-detail .cs-compare-label {
  color: var(--cs-mint);
  background: linear-gradient(90deg, var(--cs-mint-soft), #fff);
  border-bottom: 1px solid var(--cs-line);
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 700;
  text-transform: none;
}
.cs-page.cs-detail .cs-compare-label::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--cs-gold);
  vertical-align: middle;
}
.cs-page.cs-detail .cs-compare-note {
  color: var(--cs-ink-soft);
  background: #f7faf8;
}
.cs-page.cs-detail .cs-compare-disclaimer { color: var(--cs-muted); }

.cs-page.cs-detail .cs-footer {
  background: #eef5f1;
  border-top: 1px solid var(--cs-line);
  color: var(--cs-muted);
}
.cs-page.cs-detail .cs-footer .footer-hub-nav a {
  color: var(--cs-mint);
}

.cs-quote {
  margin: 0 0 28px;
  padding: 20px 22px;
  background: #fff;
  border-left: 3px solid var(--cs-accent, #b45309);
  border: 1px solid var(--cs-line);
  border-left-width: 3px;
}
.cs-quote p {
  margin: 0 0 10px;
  font-family: var(--cs-display);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--cs-ink);
}
.cs-quote footer {
  font-size: 13px;
  color: var(--cs-muted, #64748b);
}
.cs-excerpt-block {
  margin: 0 0 28px;
  padding: 22px;
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
}
.cs-excerpt-block h2 {
  margin: 0 0 12px;
  font-family: var(--cs-display);
  font-size: 20px;
}
.cs-excerpt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--cs-ink);
}
.cs-media {
  margin: 0 0 28px;
  background: #0f172a;
  border: 1px solid var(--cs-line);
  overflow: hidden;
}
.cs-video video {
  display: block;
  width: 100%;
  max-height: 560px;
  background: #0f172a;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}
.cs-compare-videos {
  margin: 0 0 28px;
}
.cs-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 720px) {
  .cs-compare-grid { grid-template-columns: 1fr; }
}
.cs-compare-cell {
  margin: 0;
  background: var(--cs-card, #fff);
  border: 1px solid var(--cs-line, rgba(15, 23, 42, 0.1));
  overflow: hidden;
}
.cs-compare-label {
  margin: 0;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cs-ink, #0f172a);
  background: #f8fafc;
  border-bottom: 1px solid var(--cs-line, rgba(15, 23, 42, 0.1));
}
.cs-compare-note {
  margin: 0;
  padding: 10px 12px 12px;
  font-size: 13px;
  line-height: 1.55;
  color: #475569;
}
.cs-compare-growth {
  margin: 0 0 28px;
  padding: 22px 22px 16px;
  background: var(--cs-card, #fff);
  border: 1px solid var(--cs-line, rgba(15, 23, 42, 0.1));
}
.cs-compare-growth h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}
.cs-compare-growth-list {
  margin: 0 0 10px;
  padding-left: 1.2em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cs-ink, #0f172a);
}
.cs-compare-disclaimer {
  margin: 0;
  font-size: 12px;
  color: #64748b;
}
.cs-poster {
  display: block;
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
}
.cs-summary-block {
  margin: 0 0 28px;
  padding: 22px 22px 8px;
  background: var(--cs-card);
  border: 1px solid var(--cs-line);
}
.cs-summary-block h2 {
  margin: 0 0 12px;
  font-family: var(--cs-display);
  font-size: 20px;
}
.cs-summary {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cs-ink-soft);
}
.cs-summary p { margin: 0 0 14px; }
.cs-aside {
  margin-top: 0;
  padding: 20px 22px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  border: 1px solid var(--cs-line);
  font-size: 14px;
}
.cs-related-line {
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
}
.cs-related-line:last-child { margin-bottom: 0; }
.cs-related-line strong {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cs-muted);
  font-weight: 600;
}
.cs-related-block {
  margin: 0 0 12px;
}
.cs-related-block .cs-related-line {
  display: block;
}
.cs-related-block .cs-related-line strong {
  display: block;
  margin-bottom: 4px;
}
.cs-aside a { color: var(--cs-accent-deep); }

/* Case → 精准 Knowledge：问题 → 方法 */
.cs-problem-kn {
  margin: 28px 0 8px;
  padding: 26px 24px 22px;
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.98) 0%, #fff 60%),
    radial-gradient(120% 80% at 100% 0%, rgba(176, 48, 36, 0.05), transparent 55%);
  border: 1px solid rgba(21, 32, 24, 0.12);
  border-left: 4px solid var(--cs-accent, #b03024);
}
.cs-problem-kn-eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cs-accent-deep, #8c241a);
  font-weight: 700;
}
.cs-problem-kn h2 {
  margin: 0 0 8px;
  font-family: var(--cs-display);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
  color: var(--cs-ink);
}
.cs-problem-kn-lead {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cs-muted);
  max-width: 42em;
}
.cs-problem-kn-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.cs-problem-kn-list a {
  display: inline;
  color: var(--cs-ink);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.45;
  text-decoration: none;
  border-bottom: 1px solid rgba(176, 48, 36, 0.28);
}
.cs-problem-kn-list a:hover {
  color: var(--cs-accent-deep, #8c241a);
  border-bottom-color: currentColor;
}
.cs-problem-kn-note {
  display: inline-block;
  margin-left: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cs-muted);
  font-weight: 600;
}
.cs-problem-kn-more {
  margin: 16px 0 0;
  font-size: 13px;
}
.cs-problem-kn-more a {
  color: var(--cs-accent-deep, #8c241a);
  font-weight: 600;
}

.cs-similar {
  padding: 28px 0 8px;
  background: var(--cs-paper-2);
  border-top: 1px solid var(--cs-line);
}
.cs-similar h2 {
  margin: 0 0 14px;
  font-family: var(--cs-display);
  font-size: 22px;
}
.cs-similar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.cs-similar-list a {
  color: var(--cs-accent-deep);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
}
.cs-similar-list a:hover { text-decoration: underline; }

/* legacy detail shell still used by old static files until regenerated */
.cs-main {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 64px;
}
.cs-meta { list-style: none; padding: 0; margin: 0 0 20px; font-size: 14px; color: var(--cs-ink-soft); }
.cs-meta li { margin-bottom: 4px; }

@media (max-width: 960px) {
  .cs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .cs-facts { grid-template-columns: 1fr; }
  .cs-detail-wrap { width: calc(100% - 32px); }
}
@media (max-width: 640px) {
  .cs-wrap { width: calc(100% - 32px); }
  .cs-hero { padding: 32px 0 28px; }
  .cs-grid { grid-template-columns: 1fr; gap: 14px; }
  .cs-hero-meta strong { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .cs-card { transition: none; }
  .cs-card:hover { transform: none; }
  .cs-detail-main::after,
  .cs-detail-hero::before,
  .cs-detail-hero::after,
  .cs-detail-hero .cs-fx-sheen,
  .cs-page.cs-detail .cs-kicker,
  .cs-page.cs-detail .cs-kicker::before,
  .cs-asset-id span,
  .cs-asset-ticker-track,
  .cs-page.cs-detail .cs-compare-cell::before,
  .cs-page.cs-detail .cs-compare-cell::after,
  .cs-page.cs-detail .cs-compare-cell .cs-fx-cell-scan {
    animation: none !important;
  }
}