/* picar.click — Signal Ribbon visual system (sr-) */
@import url("https://fonts.googleapis.com/css2?family=Figtree:wght@500;700;800&family=Noto+Sans+SC:wght@400;500;700;900&family=Zen+Kurenaido&display=swap");

:root {
  --sr-ink: #14202b;
  --sr-soft: #3d4d5c;
  --sr-mute: #6d7d8c;
  --sr-ice: #eef6f8;
  --sr-sheet: #ffffff;
  --sr-signal: #ff4569;
  --sr-signal-deep: #d92d52;
  --sr-lagoon: #0db4a8;
  --sr-lagoon-soft: #d5f5f1;
  --sr-citrus: #ff9f1c;
  --sr-line: rgba(20, 32, 43, 0.1);
  --sr-shadow: 0 16px 42px rgba(20, 32, 43, 0.1);
  --sr-radius: 14px;
  --sr-header: 56px;
  --sr-dock: 0px;
  --sr-max: 1040px;
  --font-display: "Zen Kurenaido", "Noto Sans SC", sans-serif;
  --font-ui: "Figtree", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body.sr-body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--sr-ink);
  background:
    linear-gradient(115deg, rgba(13, 180, 168, 0.08) 0%, transparent 38%),
    linear-gradient(295deg, rgba(255, 69, 105, 0.07) 0%, transparent 40%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 46px,
      rgba(20, 32, 43, 0.015) 46px,
      rgba(20, 32, 43, 0.015) 47px
    ),
    linear-gradient(180deg, #f7fcfd 0%, var(--sr-ice) 45%, #f4f8fb 100%);
  line-height: 1.82;
  padding-top: calc(var(--sr-header) + var(--sr-dock));
  transition: padding-top 0.22s ease;
}

body.sr-dock-on {
  --sr-dock: 108px;
}

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

a {
  color: var(--sr-signal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--sr-lagoon);
}

p {
  margin: 0 0 1.05em;
  color: var(--sr-soft);
  font-size: 0.98rem;
}

ul,
ol {
  color: var(--sr-soft);
  padding-left: 1.2em;
}

li {
  margin-bottom: 0.4em;
}

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

/* Header */
.sr-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  height: var(--sr-header);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--sr-line);
  backdrop-filter: blur(14px);
}

.sr-header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sr-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--sr-ink);
}

.sr-brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 4px 12px rgba(255, 69, 105, 0.28);
}

.sr-brand strong {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.06em;
  font-weight: 400;
}

.sr-brand em {
  display: block;
  font-style: normal;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  color: var(--sr-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sr-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sr-nav a {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--sr-soft);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.sr-nav a:hover,
.sr-nav a.is-on {
  color: var(--sr-signal-deep);
  background: rgba(255, 69, 105, 0.1);
}

.sr-menu {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--sr-line);
  border-radius: 10px;
  background: var(--sr-sheet);
  cursor: pointer;
  padding: 0;
}

.sr-menu span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--sr-ink);
  border-radius: 2px;
}

/* Fixed download dock under header */
.sr-dock {
  position: fixed;
  top: var(--sr-header);
  left: 0;
  right: 0;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--sr-line);
  box-shadow: 0 8px 20px rgba(20, 32, 43, 0.06);
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.sr-dock.is-show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.sr-dock-inner {
  padding: 8px 0 10px;
}

.sr-dock-label {
  margin: 0 0 6px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sr-mute);
  letter-spacing: 0.04em;
}

/* Ads grid: 8 desktop / 4 mobile */
#ads,
#sr-dock-ads,
.sr-ads-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 8px 6px;
}

#ads > div,
#sr-dock-ads > div,
.sr-ads-box > div {
  width: calc((100% - 42px) / 8);
  max-width: 78px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#ads img,
#sr-dock-ads img,
.sr-ads-box img {
  width: 62px;
  height: 62px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 6px 16px rgba(24, 24, 24, 0.12);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  background: #fff;
}

#ads a,
#sr-dock-ads a,
.sr-ads-box a {
  display: inline-block;
  text-decoration: none;
  border-radius: 16px;
}

#ads img:hover,
#sr-dock-ads img:hover,
.sr-ads-box img:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 22px rgba(24, 24, 24, 0.16);
}

#ads .caption,
#sr-dock-ads .caption,
.sr-ads-box .caption {
  height: 15px;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

.sr-promo {
  margin: 14px auto 8px;
  padding: 14px 14px 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(213, 245, 241, 0.55));
  border: 1px solid rgba(13, 180, 168, 0.18);
  border-radius: calc(var(--sr-radius) + 4px);
  box-shadow: var(--sr-shadow);
}

.sr-promo-title {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--sr-ink);
}

/* Hero — ribbon slash composition */
.sr-hero {
  position: relative;
  overflow: hidden;
  margin: 10px 0 28px;
  padding: 34px 0 42px;
}

.sr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, rgba(13, 180, 168, 0.16), transparent 42%),
    linear-gradient(210deg, rgba(255, 69, 105, 0.14), transparent 46%);
  clip-path: polygon(0 8%, 100% 0, 100% 88%, 0 100%);
  pointer-events: none;
}

.sr-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}

.sr-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sr-lagoon);
  margin-bottom: 12px;
}

.sr-kicker::before {
  content: "";
  width: 28px;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--sr-lagoon), var(--sr-signal));
}

.sr-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.6vw, 2.85rem);
  line-height: 1.28;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--sr-ink);
}

.sr-hero-lead {
  font-size: 1.02rem;
  color: var(--sr-soft);
  max-width: 36em;
}

.sr-signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.sr-signal-row span {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sr-ink);
  background: var(--sr-sheet);
  border: 1px dashed rgba(13, 180, 168, 0.35);
  padding: 7px 12px;
  border-radius: 8px;
}

.sr-hero-visual {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--sr-shadow);
  transform: rotate(-1.5deg);
  border: 3px solid rgba(255, 255, 255, 0.9);
}

.sr-hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
}

.sr-hero-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(20, 32, 43, 0.72);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

/* Article / modules */
.sr-main {
  padding-bottom: 48px;
}

.sr-lane {
  position: relative;
  margin: 0 0 34px;
  padding: 22px 20px 8px 24px;
  background: rgba(255, 255, 255, 0.72);
  border-radius: var(--sr-radius);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 30px rgba(20, 32, 43, 0.05);
}

.sr-lane::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--sr-signal), var(--sr-lagoon));
}

.sr-lane h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.35;
  font-weight: 400;
  color: var(--sr-ink);
}

.sr-lane h3 {
  margin: 1.3em 0 0.65em;
  font-family: var(--font-ui);
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--sr-ink);
}

.sr-mark {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--sr-signal-deep);
  background: rgba(255, 69, 105, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
}

.sr-zig {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: start;
  margin: 18px 0;
}

.sr-zig.is-flip {
  grid-template-columns: 0.8fr 1.2fr;
}

.sr-zig.is-flip .sr-copy {
  order: 2;
}

.sr-zig.is-flip .sr-frame {
  order: 1;
}

.sr-frame {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--sr-shadow);
  border: 2px solid rgba(255, 255, 255, 0.95);
  background: #fff;
}

.sr-frame img {
  width: 100%;
  aspect-ratio: 9 / 14;
  object-fit: cover;
  object-position: top center;
}

.sr-frame.wide img {
  aspect-ratio: 16 / 11;
  object-position: center top;
}

.sr-mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0 8px;
}

.sr-card {
  padding: 16px 14px;
  border-radius: 12px;
  background: linear-gradient(160deg, #fff, var(--sr-lagoon-soft));
  border: 1px solid rgba(13, 180, 168, 0.16);
}

.sr-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.sr-card p {
  margin: 0;
  font-size: 0.9rem;
}

.sr-band {
  margin: 0 0 34px;
  padding: 26px 22px;
  border-radius: 18px;
  background:
    linear-gradient(125deg, rgba(255, 69, 105, 0.08), rgba(13, 180, 168, 0.1)),
    #fff;
  border: 1px solid var(--sr-line);
}

.sr-band h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 400;
}

.sr-faq details {
  margin: 0 0 10px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--sr-line);
}

.sr-faq summary {
  cursor: pointer;
  font-family: var(--font-ui);
  font-weight: 800;
  color: var(--sr-ink);
}

.sr-faq p {
  margin: 10px 0 0;
}

/* Legal / sub pages */
.sr-crumb {
  margin: 16px auto 10px;
  font-size: 0.88rem;
  color: var(--sr-mute);
}

.sr-crumb a {
  color: var(--sr-mute);
  text-decoration: none;
}

.sr-crumb a:hover {
  color: var(--sr-signal);
}

.sr-crumb span {
  color: var(--sr-ink);
}

.sr-page-head {
  margin: 8px auto 22px;
  padding: 24px 20px;
  border-radius: 16px;
  background: linear-gradient(120deg, rgba(13, 180, 168, 0.12), rgba(255, 69, 105, 0.08));
  border: 1px solid var(--sr-line);
}

.sr-page-head h1 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 400;
}

.sr-legal {
  padding-bottom: 48px;
}

.sr-legal h2 {
  margin: 1.6em 0 0.7em;
  font-family: var(--font-ui);
  font-size: 1.15rem;
  font-weight: 800;
}

.sr-legal h3 {
  margin: 1.2em 0 0.55em;
  font-size: 1.02rem;
}

/* Footer */
.sr-footer {
  border-top: 1px solid var(--sr-line);
  background: rgba(255, 255, 255, 0.7);
  padding: 28px 0 36px;
}

.sr-footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}

.sr-footer h3 {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 800;
}

.sr-footer a {
  display: block;
  color: var(--sr-soft);
  text-decoration: none;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.sr-footer a:hover {
  color: var(--sr-signal);
}

.sr-copyline {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--sr-line);
  font-size: 0.82rem;
  color: var(--sr-mute);
}

/* Error pages */
.sr-error {
  min-height: 58vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 16px;
}

.sr-error strong {
  display: block;
  font-family: var(--font-ui);
  font-size: clamp(3rem, 12vw, 5rem);
  color: var(--sr-signal);
  line-height: 1;
  margin-bottom: 8px;
}

.sr-error h1 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 400;
}

.sr-error p {
  max-width: 28em;
  margin: 0 auto 18px;
}

.sr-error a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--sr-ink);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-ui);
  font-weight: 700;
}

@media (max-width: 900px) {
  .sr-hero-grid,
  .sr-zig,
  .sr-zig.is-flip {
    grid-template-columns: 1fr;
  }

  .sr-zig.is-flip .sr-copy,
  .sr-zig.is-flip .sr-frame {
    order: initial;
  }

  .sr-mosaic {
    grid-template-columns: 1fr;
  }

  .sr-footer-grid {
    grid-template-columns: 1fr;
  }

  .sr-hero-visual {
    transform: none;
    max-width: 320px;
    margin: 0 auto;
  }

  body.sr-dock-on {
    --sr-dock: 150px;
  }
}

@media (max-width: 760px) {
  .sr-menu {
    display: inline-block;
  }

  .sr-nav {
    display: none;
    position: absolute;
    top: calc(var(--sr-header) + 6px);
    right: 14px;
    left: 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--sr-line);
    border-radius: 14px;
    box-shadow: var(--sr-shadow);
  }

  .sr-nav.is-open {
    display: flex;
  }

  #ads > div,
  #sr-dock-ads > div,
  .sr-ads-box > div {
    width: calc((100% - 18px) / 4);
  }
}