/* 糖心vlog 27 — 晨光编辑风 · SEO 友好排版 */
:root {
  --nx-ink: #0f172a;
  --nx-ink-mid: #334155;
  --nx-muted: #64748b;
  --nx-cream: #fffbf7;
  --nx-paper: rgba(255, 255, 255, 0.92);
  --nx-line: rgba(15, 23, 42, 0.08);
  --nx-amber: #d97706;
  --nx-amber-d: #b45309;
  --nx-teal: #0d9488;
  --nx-teal-d: #0f766e;
  --nx-blush: #fce7f3;
  --nx-max: 1100px;
  --nx-r: 22px;
  --nx-r-sm: 14px;
  --nx-sh: 0 2px 8px rgba(15, 23, 42, 0.04), 0 24px 48px -24px rgba(15, 23, 42, 0.12);
  --nx-sh-hover: 0 12px 40px -12px rgba(13, 148, 136, 0.18);
  --nx-serif: "Source Serif 4", ui-serif, Georgia, "Songti SC", serif;
  --nx-sans: "DM Sans", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--nx-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--nx-ink);
  background: var(--nx-cream);
  min-height: 100vh;
}

.nx-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 120% 70% at 0% -20%, rgba(253, 230, 138, 0.35), transparent 55%),
    radial-gradient(ellipse 90% 50% at 100% 0%, rgba(204, 251, 241, 0.45), transparent 50%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(252, 231, 243, 0.5), transparent 55%),
    linear-gradient(180deg, #fffdfb 0%, #fffbf7 50%, #f8fafc 100%);
  pointer-events: none;
}

.nx-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

a {
  color: var(--nx-teal-d);
  text-decoration: none;
}
a:hover {
  color: var(--nx-amber-d);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--nx-r-sm);
}

.nx-shell {
  width: min(100% - 32px, var(--nx-max));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.nx-skip {
  position: absolute;
  left: -9999px;
  background: var(--nx-teal);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  z-index: 200;
  font-weight: 700;
}
.nx-skip:focus {
  left: 12px;
  top: 12px;
  outline: 2px solid var(--nx-amber);
  outline-offset: 2px;
}

/* 顶栏 */
.nx-top {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 0;
}

.nx-top-in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: var(--nx-paper);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r);
  box-shadow: var(--nx-sh);
}

.nx-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--nx-ink);
  text-decoration: none;
}
.nx-brand:hover {
  text-decoration: none;
  color: var(--nx-teal-d);
}

.nx-mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--nx-teal), #14b8a6);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 10px 28px rgba(13, 148, 136, 0.35);
}

.nx-brand strong {
  font-family: var(--nx-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nx-brand small {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--nx-muted);
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.nx-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 820px) {
  .nx-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
}

.nx-nav a {
  flex: 0 0 auto;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--nx-ink-mid);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--nx-line);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.nx-nav a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.12);
  border-color: rgba(13, 148, 136, 0.25);
  text-decoration: none;
  color: var(--nx-teal-d);
}

.nx-nav a.is-on {
  background: linear-gradient(135deg, var(--nx-teal), #0f766e);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
}

.nx-nav a:focus-visible,
.nx-btn:focus-visible,
.nx-brand:focus-visible {
  outline: 2px solid var(--nx-amber);
  outline-offset: 3px;
}

/* Hero */
.nx-hero {
  padding: 32px 0 16px;
}

.nx-hero-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .nx-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
  }
}

.nx-hero-main {
  background: var(--nx-paper);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r);
  overflow: hidden;
  box-shadow: var(--nx-sh);
}

.nx-hero-main img {
  border-radius: 0;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.nx-hero-copy {
  padding: 26px 28px 30px;
}

.nx-kicker {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nx-amber-d);
  margin: 0 0 12px;
}

.nx-hero-copy h1 {
  margin: 0 0 14px;
  font-family: var(--nx-serif);
  font-size: clamp(1.45rem, 3.5vw, 2.15rem);
  line-height: 1.18;
  font-weight: 700;
  color: var(--nx-ink);
}

.nx-dek {
  margin: 0 0 22px;
  color: var(--nx-muted);
  font-size: 0.95rem;
  max-width: 38em;
}

.nx-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nx-btn {
  display: inline-flex;
  align-items: center;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.nx-btn-p {
  background: linear-gradient(135deg, var(--nx-teal), var(--nx-teal-d));
  color: #fff;
  box-shadow: 0 8px 28px rgba(13, 148, 136, 0.32);
}
.nx-btn-p:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(13, 148, 136, 0.38);
  text-decoration: none;
  color: #fff;
}

.nx-btn-o {
  background: #fff;
  color: var(--nx-teal-d);
  border: 1px solid var(--nx-line);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.nx-btn-o:hover {
  transform: translateY(-2px);
  border-color: var(--nx-teal);
  text-decoration: none;
  color: var(--nx-teal-d);
}

.nx-hero-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nx-stat {
  flex: 1;
  padding: 22px 24px;
  background: var(--nx-paper);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-sm);
  box-shadow: var(--nx-sh);
  position: relative;
  overflow: hidden;
}

.nx-stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--nx-amber), var(--nx-teal));
}

.nx-stat h2 {
  margin: 0 0 8px;
  font-family: var(--nx-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--nx-ink);
}

.nx-stat p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--nx-muted);
  line-height: 1.55;
}

/* 正文区 */
.nx-main {
  padding-bottom: 48px;
}

.nx-panel {
  margin-top: 28px;
  padding: 28px 30px 32px;
  background: var(--nx-paper);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r);
  box-shadow: var(--nx-sh);
}

.nx-panel h2 {
  margin: 0 0 12px;
  font-family: var(--nx-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--nx-ink);
}

.nx-lead-block {
  margin: 0 0 20px;
  padding-left: 18px;
  border-left: 3px solid var(--nx-teal);
  color: var(--nx-ink-mid);
  font-size: 0.95rem;
}

.nx-prose p {
  margin: 0 0 1.05em;
  color: var(--nx-ink-mid);
  font-size: 0.95rem;
}

.nx-prose p:last-child {
  margin-bottom: 0;
}

.nx-prose h3 {
  margin: 1.4em 0 0.6em;
  font-family: var(--nx-serif);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--nx-ink);
}

.nx-prose h3:first-child {
  margin-top: 0;
}

.nx-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.nx-tags span {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 7px 13px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(217, 119, 6, 0.08));
  color: var(--nx-teal-d);
  border: 1px solid var(--nx-line);
}

/* FAQ */
.nx-faq {
  margin-top: 28px;
  padding: 28px 30px;
  background: var(--nx-paper);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r);
  box-shadow: var(--nx-sh);
}

.nx-faq h2 {
  margin: 0 0 18px;
  font-family: var(--nx-serif);
  font-size: 1.25rem;
}

.nx-faq details {
  border-bottom: 1px solid var(--nx-line);
  padding: 14px 0;
}

.nx-faq details:last-child {
  border-bottom: none;
}

.nx-faq summary {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--nx-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nx-faq summary::-webkit-details-marker {
  display: none;
}

.nx-faq summary::before {
  content: "+";
  font-weight: 800;
  color: var(--nx-teal);
  font-size: 1.1rem;
  line-height: 1;
}

.nx-faq details[open] summary::before {
  content: "−";
}

.nx-faq details p {
  margin: 12px 0 0 24px;
  font-size: 0.88rem;
  color: var(--nx-muted);
  line-height: 1.65;
}

/* 栅格卡片 */
.nx-sec-head {
  margin: 40px 0 8px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.nx-sec-head h2 {
  margin: 0;
  font-family: var(--nx-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--nx-ink);
}

.nx-sec-head p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--nx-muted);
}

.nx-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

@media (min-width: 560px) {
  .nx-grid.g5 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .nx-grid.g5 {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (min-width: 560px) {
  .nx-grid.g6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .nx-grid.g6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.nx-card {
  border-radius: var(--nx-r-sm);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--nx-line);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nx-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--nx-sh-hover);
}

.nx-card a {
  display: block;
  color: inherit;
  text-decoration: none;
}
.nx-card a:hover {
  text-decoration: none;
  color: inherit;
}

.nx-card img {
  border-radius: 0;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.nx-card-bd {
  padding: 16px 18px 18px;
}

.nx-card .nx-badge {
  display: inline-block;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #fff;
  background: linear-gradient(90deg, var(--nx-amber), var(--nx-teal));
  padding: 4px 9px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.nx-card h3 {
  margin: 0 0 6px;
  font-family: var(--nx-serif);
  font-size: 0.98rem;
  font-weight: 700;
}

.nx-card p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--nx-muted);
  line-height: 1.5;
}

/* 内页通用 */
.nx-crumb {
  font-size: 0.84rem;
  color: var(--nx-muted);
  margin: 24px 0 10px;
}

.nx-crumb a {
  color: var(--nx-muted);
}
.nx-crumb a:hover {
  color: var(--nx-teal-d);
}

.nx-page-title {
  margin: 0 0 10px;
  font-family: var(--nx-serif);
  font-size: clamp(1.2rem, 2.8vw, 1.55rem);
  color: var(--nx-ink);
}

.nx-sub {
  margin: 0 0 20px;
  color: var(--nx-muted);
  font-size: 0.9rem;
}

.nx-cover {
  margin: 0 0 22px;
  border-radius: var(--nx-r-sm);
  overflow: hidden;
  border: 1px solid var(--nx-line);
  box-shadow: var(--nx-sh);
}

.nx-cover img {
  border-radius: 0;
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.nx-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nx-list a {
  display: block;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-sm);
  text-decoration: none;
  color: var(--nx-ink);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.nx-list a:hover {
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: 0 10px 32px rgba(13, 148, 136, 0.1);
  text-decoration: none;
}

.nx-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
  font-family: var(--nx-serif);
}

.nx-list span {
  font-size: 0.84rem;
  color: var(--nx-muted);
}

.nx-tip {
  margin-top: 24px;
  padding: 16px 20px;
  font-size: 0.84rem;
  color: var(--nx-ink-mid);
  background: linear-gradient(135deg, rgba(204, 251, 241, 0.5), rgba(254, 243, 199, 0.4));
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-sm);
}

.nx-prose code {
  font-size: 0.88em;
  padding: 0.15em 0.4em;
  background: #f1f5f9;
  border-radius: 6px;
}

.nx-foot {
  text-align: center;
  padding: 36px 16px 44px;
  font-size: 0.78rem;
  color: var(--nx-muted);
}

.nx-foot strong {
  color: var(--nx-teal-d);
  font-weight: 700;
}