/* bks.autos - Halftone Catalog Desk visual system */
@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@500;700;800&family=Noto+Sans+SC:wght@400;500;700&family=ZCOOL+QingKe+HuangYou&display=swap");

:root {
  --ink: #15202b;
  --ink-soft: #3a4654;
  --mute: #6b7785;
  --paper: #eef2f7;
  --sheet: #ffffff;
  --brand: #e83e8c;
  --brand-deep: #c2186a;
  --cyan: #19b7c9;
  --amber: #d4a017;
  --line: rgba(21, 32, 43, 0.1);
  --shadow: 0 14px 36px rgba(21, 32, 43, 0.08);
  --radius: 6px;
  --max: 1080px;
  --header-h: 58px;
  --dock-h: 0px;
  --font-display: "ZCOOL QingKe HuangYou", "Outfit", "Noto Sans SC", sans-serif;
  --font-ui: "Outfit", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(232, 62, 140, 0.08), transparent 34%),
    radial-gradient(circle at 88% 0%, rgba(25, 183, 201, 0.1), transparent 32%),
    linear-gradient(180deg, #f7f9fc 0%, var(--paper) 40%, #e8edf4 100%);
  line-height: 1.85;
  padding-top: calc(var(--header-h) + var(--dock-h));
  transition: padding-top 0.2s ease;
}
body.dock-on { --dock-h: 118px; }
img { max-width: 100%; display: block; }
a { color: var(--brand-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--cyan); }
p { margin: 0 0 1.05em; color: var(--ink-soft); font-size: 0.98rem; }
ul, ol { color: var(--ink-soft); padding-left: 1.25em; }
li { margin-bottom: 0.45em; }

.panorama-shell { width: min(100% - 28px, var(--max)); margin: 0 auto; }

/* Header */
.panorama-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.panorama-topbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panorama-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.panorama-brand img {
  width: 36px; height: 36px; border-radius: 10px;
  box-shadow: 0 4px 12px rgba(232, 62, 140, 0.28);
}
.panorama-brand strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}
.panorama-brand span {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  color: var(--mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.panorama-nav { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.panorama-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}
.panorama-nav a:hover { color: var(--brand); }
.panorama-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--sheet);
  border-radius: 8px;
  width: 40px; height: 40px;
  cursor: pointer;
}
.panorama-toggle span {
  display: block; width: 18px; height: 2px; margin: 4px auto;
  background: var(--ink); border-radius: 2px;
}

/* Sticky download dock under header */
.panorama-dock {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  transform: translateY(-120%);
  transition: transform 0.22s ease;
  max-height: none;
  overflow: visible;
}
.panorama-dock.is-visible { transform: translateY(0); }
.panorama-dock-inner {
  padding: 8px 0 10px;
}
.panorama-dock #ads-dock,
.panorama-promo #ads {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 10px;
}
.panorama-dock #ads-dock > div,
.panorama-promo #ads > div {
  width: calc(12.5% - 10px);
  min-width: 64px;
  max-width: 78px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.panorama-dock #ads-dock figure,
.panorama-promo #ads figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.panorama-dock #ads-dock img,
.panorama-promo #ads img {
  width: 56px; height: 56px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(21, 32, 43, 0.12);
}
.panorama-dock #ads-dock .caption,
.panorama-promo #ads .caption {
  display: block;
  margin: 6px 0 0;
  padding: 0;
  height: auto;
  min-height: 14px;
  line-height: 1.25;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.panorama-dock #ads-dock a,
.panorama-promo #ads a { text-decoration: none; }

/* Top promo (visible without scroll) */
.panorama-promo {
  margin: 10px auto 6px;
  padding: 10px 12px;
  background: var(--sheet);
  border: 1px dashed rgba(232, 62, 140, 0.35);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panorama-promo-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-deep);
  text-align: center;
  margin-bottom: 6px;
}

/* Masthead - typography first, no phone mock */
.panorama-mast {
  position: relative;
  margin: 18px auto 28px;
  padding: 42px 28px 36px;
  overflow: hidden;
  background:
    linear-gradient(125deg, rgba(232, 62, 140, 0.16), transparent 46%),
    linear-gradient(305deg, rgba(25, 183, 201, 0.14), transparent 40%),
    var(--sheet);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: var(--shadow);
}
.panorama-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(21, 32, 43, 0.08) 0.8px, transparent 0.8px);
  background-size: 7px 7px;
  opacity: 0.35;
  pointer-events: none;
}
.panorama-mast::after {
  content: "";
  position: absolute;
  right: -40px; top: -30px;
  width: 220px; height: 220px;
  background: conic-gradient(from 40deg, var(--brand), var(--cyan), var(--amber), var(--brand));
  opacity: 0.18;
  filter: blur(2px);
  border-radius: 40% 60% 55% 45%;
  animation: panorama-spin 18s linear infinite;
}
@keyframes panorama-spin {
  to { transform: rotate(360deg); }
}
.panorama-mast-content { position: relative; z-index: 1; max-width: 720px; }
.panorama-index-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.panorama-index-tag i {
  width: 28px; height: 2px; background: var(--amber); display: inline-block;
}
.panorama-mast h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.panorama-mast .lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 38em;
}
.panorama-strip {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.panorama-strip em {
  font-style: normal;
  font-size: 0.82rem;
  padding: 6px 12px;
  background: #f3e8ef;
  color: var(--brand-deep);
  border-left: 3px solid var(--brand);
}

/* Sections */
.panorama-block {
  margin: 0 auto 34px;
  padding: 28px 22px;
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}
.panorama-block.slant {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), 0 100%);
  padding-bottom: 40px;
}
.panorama-block.band {
  background:
    linear-gradient(90deg, rgba(25, 183, 201, 0.07), transparent 55%),
    var(--sheet);
}
.panorama-block.inkband {
  background:
    linear-gradient(180deg, rgba(232, 62, 140, 0.06), transparent 50%),
    var(--sheet);
}
.panorama-num {
  font-family: var(--font-ui);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--amber);
  margin-bottom: 8px;
}
.panorama-block h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.5vw, 1.9rem);
  line-height: 1.25;
  color: var(--ink);
}
.panorama-block h3 {
  margin: 22px 0 10px;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--ink);
  border-left: 4px solid var(--cyan);
  padding-left: 10px;
}

.panorama-split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  align-items: start;
}
.panorama-split.reverse { grid-template-columns: 1fr 1.4fr; }
.panorama-split.reverse .panorama-visual { order: -1; }

.panorama-visual {
  position: relative;
  border: 1px solid var(--line);
  background: #f8fafc;
  padding: 10px;
  transform: rotate(-0.6deg);
  box-shadow: 8px 10px 0 rgba(25, 183, 201, 0.12);
}
.panorama-visual.tilt-r {
  transform: rotate(0.8deg);
  box-shadow: -8px 10px 0 rgba(232, 62, 140, 0.12);
}
.panorama-visual img {
  width: 100%;
  border-radius: 2px;
  aspect-ratio: 9/16;
  object-fit: cover;
  object-position: top;
  max-height: 420px;
}
.panorama-caption {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--mute);
  text-align: center;
}

.panorama-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px 0 8px;
}
.panorama-tile {
  padding: 14px 14px 12px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #fff, #f7fafc);
  border-top: 3px solid var(--brand);
}
.panorama-tile:nth-child(2) { border-top-color: var(--cyan); }
.panorama-tile:nth-child(3) { border-top-color: var(--amber); }
.panorama-tile:nth-child(4) { border-top-color: #6c8cff; }
.panorama-tile h3 {
  margin: 0 0 8px;
  border: 0;
  padding: 0;
  font-size: 1rem;
}
.panorama-tile p { margin: 0; font-size: 0.9rem; }

.panorama-quote {
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--amber);
  background: #fff8e8;
  color: var(--ink);
  font-size: 0.98rem;
}

.panorama-list-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
  margin: 12px 0 4px;
  padding: 0;
  list-style: none;
}
.panorama-list-grid li {
  position: relative;
  padding-left: 16px;
  margin: 0;
  font-size: 0.92rem;
}
.panorama-list-grid li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.7em;
  width: 7px; height: 7px;
  background: var(--brand);
  transform: rotate(45deg);
}

.panorama-faq details {
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}
.panorama-faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}
.panorama-faq p { margin: 8px 0 4px; }

.panorama-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}
.panorama-links a {
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: #f8fafc;
  font-size: 0.9rem;
}
.panorama-links a:hover {
  border-color: var(--brand);
  color: var(--brand-deep);
}

/* Breadcrumb */
.panorama-crumb {
  width: min(100% - 28px, var(--max));
  margin: 12px auto 8px;
  font-size: 0.86rem;
  color: var(--mute);
}
.panorama-crumb a { text-decoration: none; color: var(--ink-soft); }
.panorama-crumb span { color: var(--brand-deep); }

/* Legal pages */
.panorama-legal-hero {
  width: min(100% - 28px, var(--max));
  margin: 10px auto 18px;
  padding: 28px 22px;
  background:
    linear-gradient(120deg, rgba(232, 62, 140, 0.12), transparent 50%),
    var(--sheet);
  border: 1px solid var(--line);
}
.panorama-legal-hero h1 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}
.panorama-legal article.panorama-block h2 { margin-top: 8px; }

/* Error pages */
.panorama-error {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 16px;
}
.panorama-error h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4rem);
  margin: 0 0 10px;
}
.panorama-error p { max-width: 28em; margin: 0 auto 18px; }
.panorama-error a.btn {
  display: inline-block;
  text-decoration: none;
  background: var(--brand);
  color: #fff;
  padding: 10px 20px;
  border-radius: 4px;
}

/* Footer */
.panorama-foot {
  margin-top: 20px;
  padding: 28px 0 40px;
  background: #121a24;
  color: #c9d3de;
}
.panorama-foot a { color: #f3a6c8; text-decoration: none; }
.panorama-foot a:hover { color: #7fe0ec; }
.panorama-foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 20px;
}
.panorama-foot h3 {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
}
.panorama-foot p, .panorama-foot li { color: #aeb8c4; font-size: 0.9rem; }
.panorama-foot ul { list-style: none; padding: 0; margin: 0; }
.panorama-copy {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.82rem;
  color: #86919e;
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .panorama-block, .panorama-mast {
    animation: panorama-rise 0.7s ease both;
  }
  .panorama-block:nth-of-type(even) { animation-delay: 0.05s; }
}
@keyframes panorama-rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 860px) {
  .panorama-split, .panorama-split.reverse,
  .panorama-tiles, .panorama-list-grid,
  .panorama-foot-grid { grid-template-columns: 1fr; }
  .panorama-split.reverse .panorama-visual { order: 0; }
  .panorama-visual img { max-height: 360px; }
  .panorama-dock #ads-dock > div,
  .panorama-promo #ads > div {
    width: calc(25% - 10px);
  }
  body.dock-on { --dock-h: 130px; }
}
@media (max-width: 720px) {
  .panorama-toggle { display: inline-block; }
  .panorama-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 12px 16px 16px;
    flex-direction: column;
  }
  .panorama-nav.open { display: flex; }
  .panorama-mast { padding: 30px 18px 26px; }
  .panorama-block { padding: 22px 16px; }
}