/* 91PO传媒官方平台 — 午夜绸缎·琥珀霓光 */
:root {
  --qm-ink: #080604;
  --qm-night: #100d0a;
  --qm-panel: #16120e;
  --qm-surface: #1e1914;
  --qm-border: rgba(232, 160, 32, 0.18);
  --qm-text: #f2ebe3;
  --qm-soft: #a89b8c;
  --qm-amber: #e8a020;
  --qm-coral: #ff6b35;
  --qm-rose: #c4456a;
  --qm-wine: #6b1d3a;
  --qm-glow: rgba(255, 107, 53, 0.22);
  --qm-grad: linear-gradient(128deg, #e8a020 0%, #ff6b35 52%, #c4456a 100%);
  --qm-grad-dim: linear-gradient(180deg, rgba(232,160,32,0.1) 0%, transparent 65%);
  --qm-radius: 12px;
  --qm-header: 58px;
  --qm-serif: Georgia, "Times New Roman", "Noto Serif SC", serif;
  --qm-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--qm-sans);
  background: var(--qm-ink);
  color: var(--qm-text);
  line-height: 1.9;
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 40% at 92% 8%, rgba(196,69,106,0.09) 0%, transparent 58%),
    radial-gradient(ellipse 45% 38% at 4% 92%, rgba(232,160,32,0.07) 0%, transparent 52%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255,255,255,0.008) 3px, rgba(255,255,255,0.008) 4px);
  pointer-events: none;
  z-index: 0;
}

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

a { color: var(--qm-amber); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--qm-coral); }

.qm-wrap { width: min(1080px, 93vw); margin: 0 auto; position: relative; z-index: 1; }

/* Header */
.qm-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--qm-header);
  background: rgba(8, 6, 4, 0.95);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--qm-border);
  z-index: 1000;
}

.qm-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--qm-header);
}

.qm-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--qm-text);
  font-family: var(--qm-serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.qm-brand img { border-radius: 9px; box-shadow: 0 2px 12px var(--qm-glow); }

.qm-nav { display: flex; gap: 22px; }

.qm-nav a {
  color: var(--qm-soft);
  font-size: 0.86rem;
  padding: 3px 0;
  position: relative;
}

.qm-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--qm-grad);
  transition: width 0.25s;
}

.qm-nav a:hover,
.qm-nav a.is-on { color: var(--qm-text); }
.qm-nav a:hover::after,
.qm-nav a.is-on::after { width: 100%; }

.qm-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.qm-toggle span {
  display: block;
  width: 21px;
  height: 2px;
  background: var(--qm-amber);
  border-radius: 2px;
}

.qm-drawer {
  position: fixed;
  top: var(--qm-header);
  left: -280px;
  width: 260px;
  height: calc(100vh - var(--qm-header));
  background: var(--qm-panel);
  border-right: 1px solid var(--qm-border);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 999;
  transition: left 0.3s ease;
}

.qm-drawer.open { left: 0; }

.qm-drawer a {
  color: var(--qm-soft);
  font-size: 0.92rem;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.qm-drawer a:hover { color: var(--qm-coral); }

/* Sticky Ads */
.qm-ads-fixed {
  position: fixed;
  top: var(--qm-header);
  left: 0; right: 0;
  background: rgba(16, 13, 10, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--qm-border);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: opacity 0.24s, visibility 0.24s, transform 0.24s;
  padding: 6px 0;
}

.qm-ads-fixed.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#ads-sticky-inner {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 3px;
}

#ads-sticky-inner > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(12.5% - 3px);
  box-sizing: border-box;
}

#ads-sticky-inner img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.45);
  border: 1px solid var(--qm-border);
}

#ads-sticky-inner .caption {
  height: 12px;
  font-size: 9px;
  color: var(--qm-soft);
  text-align: center;
  max-width: 64px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
}

/* Top Ads Block */
.qm-ads-top {
  padding: calc(var(--qm-header) + 18px) 0 28px;
  background: var(--qm-grad-dim);
}

.qm-ads-label {
  text-align: center;
  font-size: 0.76rem;
  color: var(--qm-amber);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
}

#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
}

#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24,24,24,0.12);
  transition: transform 180ms ease, box-shadow 180ms ease;
  border: none;
  background: linear-gradient(135deg,#fff,#fff);
}

#ads a { display: inline-block; border-radius: 15px; }

#ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24,24,24,0.18);
}

#ads .caption {
  height: 15px;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

/* Hero */
.qm-hero {
  padding: 36px 0 56px;
  position: relative;
}

.qm-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.qm-hero-stack {
  position: relative;
  width: 300px;
  height: 480px;
  margin: 0 auto;
  flex-shrink: 0;
}

.qm-hero-stack img {
  position: absolute;
  display: block;
  width: 168px;
  height: 298px;
  border-radius: 22px;
  border: 2px solid rgba(232,160,32,0.35);
  box-shadow: 0 20px 50px rgba(0,0,0,0.55);
  object-fit: cover;
  object-position: top center;
}

.qm-hero-stack img:nth-child(1) {
  top: 0; left: 0;
  transform: rotate(-7deg);
  z-index: 1;
}

.qm-hero-stack img:nth-child(2) {
  top: 48px; left: 66px;
  transform: rotate(4deg);
  z-index: 2;
}

.qm-hero-stack img:nth-child(3) {
  top: 96px; left: 132px;
  transform: rotate(-3deg);
  z-index: 3;
}

.qm-hero-text h1 {
  font-family: var(--qm-serif);
  font-size: clamp(1.6rem, 4.5vw, 2.35rem);
  line-height: 1.35;
  margin-bottom: 18px;
  background: var(--qm-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qm-hero-lead {
  color: var(--qm-soft);
  font-size: 0.96rem;
  margin-bottom: 26px;
}

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

.qm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.qm-btn-primary {
  background: var(--qm-grad);
  color: #1a1008;
  box-shadow: 0 6px 24px var(--qm-glow);
}

.qm-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(255,107,53,0.35);
  color: #1a1008;
}

.qm-btn-ghost {
  background: transparent;
  color: var(--qm-amber);
  border: 1px solid var(--qm-border);
}

.qm-btn-ghost:hover { border-color: var(--qm-amber); color: var(--qm-coral); }

.qm-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* 纯文案 SEO 模块 */
.qm-copy-block {
  padding: 28px 32px;
  background: var(--qm-panel);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius);
  margin-bottom: 28px;
}

.qm-copy-block h3 {
  font-family: var(--qm-serif);
  font-size: 1.12rem;
  color: var(--qm-amber);
  margin-bottom: 14px;
}

.qm-copy-block p {
  font-size: 0.9rem;
  color: var(--qm-soft);
  margin-bottom: 12px;
}

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

.qm-copy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.qm-copy-grid .qm-copy-block { margin-bottom: 0; }

/* 三列配图 */
.qm-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.qm-trio figure {
  border-radius: var(--qm-radius);
  overflow: hidden;
  border: 1px solid var(--qm-border);
  background: var(--qm-surface);
}

.qm-trio figcaption {
  padding: 10px 12px;
  font-size: 0.78rem;
  color: var(--qm-soft);
  line-height: 1.5;
}

.qm-trio img {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: cover;
  object-position: top center;
}

.qm-badge {
  font-size: 0.72rem;
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--qm-surface);
  border: 1px solid var(--qm-border);
  color: var(--qm-soft);
}

/* Sections */
.qm-section {
  padding: 52px 0;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.qm-section-head {
  margin-bottom: 32px;
}

.qm-section-head h2 {
  font-family: var(--qm-serif);
  font-size: 1.55rem;
  margin-bottom: 10px;
  color: var(--qm-text);
}

.qm-section-head p {
  color: var(--qm-soft);
  font-size: 0.9rem;
  max-width: 640px;
}

.qm-split {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 36px;
  align-items: start;
  margin-bottom: 40px;
}

.qm-split.reverse { grid-template-columns: 7fr 3fr; }
.qm-split.reverse .qm-split-img { order: 2; }
.qm-split.reverse .qm-split-body { order: 1; }

.qm-shot {
  border-radius: var(--qm-radius);
  overflow: hidden;
  border: 1px solid var(--qm-border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.qm-shot img { width: 100%; }

.qm-split-body h3 {
  font-family: var(--qm-serif);
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--qm-amber);
}

.qm-split-body p {
  color: var(--qm-soft);
  font-size: 0.92rem;
  margin-bottom: 14px;
}

.qm-split-body ul {
  list-style: none;
  margin: 16px 0;
}

.qm-split-body li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 0.88rem;
  color: var(--qm-soft);
}

.qm-split-body li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--qm-coral);
  font-size: 0.55rem;
  top: 6px;
}

/* Timeline */
.qm-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid var(--qm-border);
  margin-left: 8px;
  padding-left: 28px;
}

.qm-tl-item {
  position: relative;
  padding-bottom: 36px;
}

.qm-tl-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--qm-grad);
  box-shadow: 0 0 12px var(--qm-glow);
}

.qm-tl-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--qm-text);
}

.qm-tl-item p {
  font-size: 0.9rem;
  color: var(--qm-soft);
}

/* Stats */
.qm-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 40px 0;
}

.qm-stat {
  text-align: center;
  padding: 22px 12px;
  background: var(--qm-surface);
  border-radius: var(--qm-radius);
  border: 1px solid var(--qm-border);
}

.qm-stat strong {
  display: block;
  font-size: 1.5rem;
  font-family: var(--qm-serif);
  color: var(--qm-amber);
  margin-bottom: 4px;
}

.qm-stat span { font-size: 0.78rem; color: var(--qm-soft); }

/* FAQ */
.qm-faq { margin-top: 20px; }

.qm-faq-item {
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius);
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--qm-panel);
}

.qm-faq-q {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  background: none;
  border: none;
  color: var(--qm-text);
  font-size: 0.92rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qm-faq-q::after {
  content: "+";
  color: var(--qm-amber);
  font-size: 1.2rem;
  transition: transform 0.2s;
}

.qm-faq-item.open .qm-faq-q::after { transform: rotate(45deg); }

.qm-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.qm-faq-item.open .qm-faq-a { max-height: 300px; }

.qm-faq-a p {
  padding: 0 20px 16px;
  font-size: 0.88rem;
  color: var(--qm-soft);
}

/* Prose (sub pages) */
.qm-breadcrumb {
  padding: 22px 0 8px;
  font-size: 0.82rem;
  color: var(--qm-soft);
}

.qm-breadcrumb a { color: var(--qm-amber); }

.qm-prose {
  padding: 20px 0 60px;
  max-width: 780px;
}

.qm-prose h1 {
  font-family: var(--qm-serif);
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.qm-prose h2 {
  font-family: var(--qm-serif);
  font-size: 1.2rem;
  margin: 28px 0 12px;
  color: var(--qm-amber);
}

.qm-prose p, .qm-prose li {
  font-size: 0.92rem;
  color: var(--qm-soft);
  margin-bottom: 14px;
}

.qm-prose ul, .qm-prose ol {
  padding-left: 22px;
  margin-bottom: 16px;
}

/* Error pages */
.qm-error {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.qm-error-code {
  font-family: var(--qm-serif);
  font-size: 5rem;
  background: var(--qm-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.qm-error h1 { font-size: 1.3rem; margin-bottom: 12px; }
.qm-error p { color: var(--qm-soft); font-size: 0.9rem; margin-bottom: 24px; }

/* Footer */
.qm-footer {
  background: var(--qm-night);
  border-top: 1px solid var(--qm-border);
  padding: 40px 0 28px;
  margin-top: 20px;
}

.qm-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}

.qm-footer h3 {
  font-size: 0.88rem;
  color: var(--qm-amber);
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}

.qm-footer p, .qm-footer a {
  font-size: 0.82rem;
  color: var(--qm-soft);
  display: block;
  margin-bottom: 8px;
}

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

.qm-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 18px;
  text-align: center;
  font-size: 0.76rem;
  color: rgba(168,155,140,0.6);
}

/* Responsive */
@media (max-width: 900px) {
  .qm-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .qm-hero-stack { width: 260px; height: 420px; }
  .qm-hero-stack img { width: 145px; height: 258px; }
  .qm-hero-stack img:nth-child(2) { left: 58px; top: 42px; }
  .qm-hero-stack img:nth-child(3) { left: 116px; top: 84px; }
  .qm-copy-grid { grid-template-columns: 1fr; }
  .qm-trio { grid-template-columns: 1fr; max-width: 280px; margin-left: auto; margin-right: auto; }
  .qm-split, .qm-split.reverse {
    grid-template-columns: 1fr;
  }
  .qm-split.reverse .qm-split-img,
  .qm-split.reverse .qm-split-body { order: unset; }
  .qm-stats { grid-template-columns: repeat(2, 1fr); }
  .qm-footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  .qm-nav { display: none; }
  .qm-toggle { display: flex; }
  #ads-sticky-inner > div { width: calc(25% - 3px); }
  #ads-sticky-inner img { width: 44px; height: 44px; }
}

@media (max-width: 480px) {
  .qm-stats { grid-template-columns: 1fr 1fr; }
  .qm-hero-stack { width: 240px; height: 390px; }
  .qm-hero-stack img { width: 132px; height: 235px; }
  .qm-hero-stack img:nth-child(2) { left: 54px; top: 38px; }
  .qm-hero-stack img:nth-child(3) { left: 108px; top: 76px; }
}