:root {
  --v2-ink: #071d3b;
  --v2-red: #f04432;
  --v2-yellow: #ffd52f;
  --v2-blue: #1d7bf2;
  --v2-sky: #8eb7ff;
  --v2-green: #39b96b;
  --v2-pink: #ff5e9e;
  --v2-paper: #fffdf4;
  --v2-line: 3px solid var(--v2-ink);
  --v2-hard-shadow: 10px 10px 0 var(--v2-ink);
}

.comic-v2 {
  color: var(--v2-ink);
  background:
    radial-gradient(circle at 1px 1px, rgba(7, 29, 59, 0.13) 1px, transparent 1.5px),
    var(--v2-paper);
  background-size: 17px 17px;
  font-family: "Avenir Next Condensed", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.comic-v2::before {
  position: fixed;
  z-index: 90;
  top: 50%;
  left: -50px;
  width: 104px;
  height: 38px;
  border: 2px solid var(--v2-ink);
  content: "NEW ISSUE";
  background: var(--v2-yellow);
  font: 1000 12px/34px "Arial Black", sans-serif;
  letter-spacing: 0.12em;
  text-align: center;
  transform: rotate(-90deg);
  transform-origin: center;
}

.comic-v2 .site-header {
  padding: 12px 20px;
}

.comic-v2 .header-inner {
  min-height: 54px;
  padding: 7px 8px 7px 16px;
  border: 2px solid var(--v2-ink);
  border-radius: 10px;
  background: rgba(255, 253, 244, 0.94);
  box-shadow: 6px 6px 0 rgba(7, 29, 59, 0.94);
  backdrop-filter: blur(10px);
}

.comic-v2 .brand {
  font: 1000 13px/1 "Arial Black", "PingFang SC", sans-serif;
  letter-spacing: 0.08em;
}

.comic-v2 .brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  background: var(--v2-blue);
  transform: rotate(-5deg);
}

.comic-v2 .brand-mark::before {
  width: 17px;
  height: 17px;
  background: var(--v2-yellow);
}

.comic-v2 nav {
  gap: 15px;
  font-size: 12px;
  font-weight: 900;
}

.comic-v2 opcos-contest-registration {
  --opcos-registration-accent: var(--v2-red);
  --opcos-registration-header-bg: linear-gradient(135deg, var(--v2-blue), #5e46e8);
  --opcos-registration-text: var(--v2-ink);
  --opcos-registration-radius: 18px;
  --opcos-registration-trigger-border: 2px solid var(--v2-ink);
  --opcos-registration-trigger-radius: 7px;
  --opcos-registration-trigger-shadow: 4px 4px 0 var(--v2-ink);
  --opcos-registration-trigger-hover-shadow: 7px 7px 0 var(--v2-ink);
}

.comic-v2 .hero {
  min-height: 100vh;
  padding: 108px 28px 72px;
  background:
    linear-gradient(118deg, transparent 0 62%, rgba(255, 213, 47, 0.95) 62% 70%, transparent 70%),
    radial-gradient(circle, rgba(255, 255, 255, 0.13) 1.5px, transparent 2px),
    var(--v2-ink);
  background-size: auto, 22px 22px, auto;
  color: #fff;
}

.comic-v2 .hero::before {
  top: auto;
  right: -3vw;
  bottom: 7vh;
  width: 34vw;
  height: 34vw;
  border: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(var(--v2-red) 0 6deg, transparent 6deg 12deg);
  opacity: 0.24;
}

.comic-v2 .hero::after {
  right: auto;
  bottom: -70px;
  left: -50px;
  width: 340px;
  height: 190px;
  border: 0;
  border-radius: 50%;
  background: radial-gradient(ellipse, var(--v2-blue) 0 54%, transparent 55%);
  filter: blur(1px);
  transform: rotate(-15deg);
}

.comic-v2 .hero-inner {
  width: min(1220px, 100%);
  gap: 22px 52px;
  grid-template-areas:
    "copy art"
    "tags art";
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
}

.comic-v2 .hero-copy {
  grid-area: copy;
}

/* 首屏不依赖 IntersectionObserver 才出现，避免直达专题页时短暂或持续空白。 */
.comic-v2 .hero .reveal {
  opacity: 1;
  transform: none;
}

.comic-v2 .eyebrow {
  margin-bottom: 16px;
  padding: 8px 13px;
  border: 2px solid #fff;
  border-radius: 5px;
  background: var(--v2-red);
  box-shadow: 5px 5px 0 var(--v2-yellow);
  color: #fff;
  font: 1000 12px/1 "Arial Black", "PingFang SC", sans-serif;
  transform: rotate(-1.5deg);
}

.comic-v2 .eyebrow-dot {
  background: var(--v2-yellow);
}

.comic-v2 .hero-semantic-title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.comic-v2 .hero-title-image {
  display: block;
  width: min(660px, 100%);
  height: auto;
  margin: -4px 0 16px;
  border: 4px solid var(--v2-ink);
  background: #fff;
  box-shadow:
    9px 9px 0 var(--v2-red),
    17px 17px 0 var(--v2-yellow);
  clip-path: polygon(2% 3%, 98% 0, 100% 93%, 94% 100%, 4% 97%, 0 9%);
  filter: saturate(1.04) contrast(1.02);
  animation: title-slam 620ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.comic-v2 .hero-lead {
  max-width: 610px;
  margin: 30px 0 22px;
  color: #dce8ff;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  line-height: 1.7;
}

.comic-v2 .hero-actions {
  margin-bottom: 26px;
}

.comic-v2 .button {
  min-height: 46px;
  border: 2px solid #fff;
  border-radius: 7px;
  background: var(--v2-red);
  box-shadow: 5px 5px 0 var(--v2-yellow);
  font-family: "Arial Black", "PingFang SC", sans-serif;
}

.comic-v2 .button.secondary {
  border-color: #fff;
  background: #fff;
  box-shadow: 5px 5px 0 var(--v2-blue);
  color: var(--v2-ink);
}

.comic-v2 .hero-facts {
  max-width: 620px;
  border: 2px solid #fff;
  background: rgba(255, 255, 255, 0.07);
}

.comic-v2 .hero-fact {
  padding: 13px 15px;
}

.comic-v2 .hero-fact + .hero-fact {
  border-left: 2px solid #fff;
}

.comic-v2 .hero-fact strong {
  color: var(--v2-yellow);
  font: 1000 22px/1 "Arial Black", sans-serif;
}

.comic-v2 .hero-art {
  grid-area: art;
  width: min(500px, 100%);
  padding: 10px;
  border: 4px solid #fff;
  border-radius: 10px;
  background: var(--v2-blue);
  box-shadow:
    12px 12px 0 var(--v2-red),
    22px 22px 0 var(--v2-yellow);
  transform: rotate(1.7deg);
  animation: card-arrive 760ms 140ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.comic-v2 .hero-art::before,
.comic-v2 .hero-art::after {
  position: absolute;
  z-index: 2;
  width: 82px;
  height: 24px;
  content: "";
  background: rgba(255, 242, 166, 0.78);
  box-shadow: 0 2px 8px rgba(7, 29, 59, 0.2);
}

.comic-v2 .hero-art::before {
  top: -10px;
  left: 34px;
  transform: rotate(-8deg);
}

.comic-v2 .hero-art::after {
  right: 28px;
  bottom: -8px;
  transform: rotate(7deg);
}

.comic-v2 .hero-art img {
  aspect-ratio: 4 / 5;
  border-radius: 4px;
}

.comic-v2 .art-sticker {
  right: -28px;
  bottom: 38px;
  width: 104px;
  height: 104px;
  border: 3px solid #fff;
  background: var(--v2-red);
  box-shadow: 5px 5px 0 var(--v2-ink);
  font-size: 15px;
}

.comic-v2 .comic-bubble {
  position: absolute;
  z-index: 4;
  top: 26px;
  left: -38px;
  display: grid;
  width: 92px;
  height: 76px;
  border: 3px solid var(--v2-ink);
  background: #fff;
  box-shadow: 5px 5px 0 var(--v2-yellow);
  color: var(--v2-red);
  font: 1000 17px/1.05 "Arial Black", sans-serif;
  text-align: center;
  place-items: center;
  transform: rotate(-8deg);
  clip-path: polygon(8% 5%, 96% 0, 91% 74%, 67% 76%, 54% 100%, 49% 76%, 3% 80%);
}

.comic-v2 .hero-mascot-tags {
  display: flex;
  grid-area: tags;
  max-width: 630px;
  flex-wrap: wrap;
  gap: 8px;
  align-self: start;
}

.comic-v2 .hero-mascot-tags span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  transform: skew(-5deg);
}

.comic-v2 .ticker {
  border-color: var(--v2-ink);
  background: var(--v2-red);
  color: #fff;
  transform: rotate(-1deg) scale(1.02);
}

.comic-v2 .ticker-item::after {
  color: var(--v2-yellow);
}

.comic-v2 .section {
  padding: 100px 28px;
}

.comic-v2 .section-inner {
  width: min(1160px, 100%);
}

.comic-v2 .section-kicker {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 9px;
  background: var(--v2-ink);
  color: #fff;
  font: 1000 11px/1.3 "Arial Black", sans-serif;
  letter-spacing: 0.16em;
  transform: rotate(-1deg);
}

.comic-v2 .section-heading {
  margin-bottom: 20px;
  font: 1000 clamp(38px, 5vw, 66px)/1.02 "Arial Black", "PingFang SC", sans-serif;
  letter-spacing: -0.055em;
}

.comic-v2 .section-intro {
  color: #43516a;
  font-weight: 650;
}

.comic-v2 .mission {
  background:
    linear-gradient(90deg, transparent 49.5%, rgba(7, 29, 59, 0.06) 50%, transparent 50.5%),
    var(--v2-paper);
  background-size: 34px 100%;
}

.comic-v2 .mission-grid {
  gap: 28px;
}

.comic-v2 .mission-card {
  min-height: 330px;
  padding: 30px;
  border: var(--v2-line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--v2-hard-shadow);
}

.comic-v2 .mission-card::after {
  position: absolute;
  right: -12px;
  bottom: -10px;
  color: rgba(7, 29, 59, 0.08);
  content: "!";
  font: 1000 160px/0.8 "Arial Black", sans-serif;
}

.comic-v2 .mission-card:nth-child(1) {
  background: #dcecff;
  transform: rotate(-1.4deg);
}

.comic-v2 .mission-card:nth-child(2) {
  background: #fff2a8;
  transform: translateY(20px) rotate(1.2deg);
}

.comic-v2 .mission-card:nth-child(3) {
  background: #ffd6e5;
  transform: rotate(-0.8deg);
}

.comic-v2 .mission-card:hover {
  box-shadow: 15px 15px 0 var(--v2-ink);
  transform: translate(-4px, -4px) rotate(0deg);
}

.comic-v2 .mission-card:nth-child(2):hover {
  transform: translate(-4px, 16px) rotate(0deg);
}

.comic-v2 .card-number {
  border-radius: 4px;
  background: var(--v2-red);
  color: #fff;
  transform: rotate(-5deg);
}

.comic-v2 .mission-card h3 {
  font: 1000 24px/1.2 "Arial Black", "PingFang SC", sans-serif;
}

.comic-v2 .challenge {
  background:
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.055) 0 2px, transparent 2px 17px),
    var(--v2-red);
}

.comic-v2 .challenge::before {
  width: 42%;
  background: radial-gradient(circle, rgba(255, 213, 47, 0.8) 0 3px, transparent 4px);
  background-size: 18px 18px;
  opacity: 0.24;
}

.comic-v2 .challenge .section-kicker {
  background: var(--v2-yellow);
  color: var(--v2-ink);
}

.comic-v2 .challenge .section-intro {
  color: #fff;
}

.comic-v2 .deliverables {
  gap: 13px;
}

.comic-v2 .deliverable {
  border: 3px solid var(--v2-ink);
  border-radius: 4px;
  background: #fff;
  box-shadow: 7px 7px 0 var(--v2-ink);
  color: var(--v2-ink);
}

.comic-v2 .deliverable:nth-child(2) {
  margin-left: 5%;
}

.comic-v2 .deliverable:nth-child(3) {
  margin-left: 10%;
}

.comic-v2 .deliverable-index {
  color: var(--v2-blue);
}

.comic-v2 .deliverable p {
  color: #52617a;
}

.comic-v2 .deliverable-tag {
  border: 2px solid var(--v2-ink);
  border-radius: 4px;
  background: var(--v2-yellow);
  color: var(--v2-ink);
  transform: rotate(-2deg);
}

.comic-v2 .rule-callout {
  border: 3px dashed #fff;
  border-radius: 4px;
  background: var(--v2-ink);
  color: #fff;
}

.comic-v2 .timeline-section {
  background:
    linear-gradient(rgba(255, 255, 255, 0.32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.32) 1px, transparent 1px),
    var(--v2-yellow);
  background-size: 30px 30px;
}

.comic-v2 .timeline::before {
  left: 96px;
  width: 8px;
  background: var(--v2-red);
  box-shadow: 0 0 0 3px var(--v2-ink);
}

.comic-v2 .timeline-item {
  gap: 30px;
}

.comic-v2 .timeline-item::before {
  left: 88px;
  width: 24px;
  height: 24px;
  background: var(--v2-blue);
}

.comic-v2 .timeline-step {
  color: var(--v2-ink);
  font: 1000 11px/1.2 "Arial Black", sans-serif;
}

.comic-v2 .timeline-content {
  border: 3px solid var(--v2-ink);
  border-radius: 4px;
  box-shadow: 8px 8px 0 var(--v2-ink);
}

.comic-v2 .timeline-content:nth-child(even) {
  transform: rotate(0.4deg);
}

.comic-v2 .timeline-content time {
  color: var(--v2-red);
}

.comic-v2 .score-section {
  background:
    radial-gradient(circle at 20% 10%, rgba(29, 123, 242, 0.35), transparent 30%),
    var(--v2-ink);
  color: #fff;
}

.comic-v2 .score-section .section-kicker {
  background: var(--v2-red);
}

.comic-v2 .score-total {
  border: 4px solid #fff;
  border-radius: 12px;
  background: var(--v2-yellow);
  box-shadow: 12px 12px 0 var(--v2-red);
  color: var(--v2-ink);
  transform: rotate(-2deg);
}

.comic-v2 .score-total::before {
  display: block;
  margin-bottom: 14px;
  content: "SCORE BOARD";
  font: 1000 12px/1 "Arial Black", sans-serif;
  letter-spacing: 0.16em;
}

.comic-v2 .score-item {
  padding: 18px 20px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
}

.comic-v2 .score-item h3 {
  color: #fff;
}

.comic-v2 .score-item p {
  color: #bdcae0;
}

.comic-v2 .score-bar {
  background: rgba(255, 255, 255, 0.16);
}

.comic-v2 .score-bar span {
  background: linear-gradient(90deg, var(--v2-blue), var(--v2-pink), var(--v2-yellow));
}

.comic-v2 .blind-review {
  border: 2px dashed var(--v2-yellow);
  background: rgba(255, 213, 47, 0.08);
  color: #fff;
}

.comic-v2 .prize-section {
  background:
    radial-gradient(circle, rgba(7, 29, 59, 0.12) 0 2px, transparent 3px),
    #e6f0ff;
  background-size: 16px 16px;
}

.comic-v2 .podium {
  align-items: end;
  gap: 22px;
}

.comic-v2 .prize-card,
.comic-v2 .prize-card.first {
  border: 3px solid var(--v2-ink);
  border-radius: 5px;
  box-shadow: 9px 9px 0 var(--v2-ink);
}

.comic-v2 .prize-card.first {
  background: var(--v2-yellow);
  transform: translateY(-20px) rotate(-1deg);
}

.comic-v2 .prize-card.second {
  background: #fff;
  transform: rotate(-1.2deg);
}

.comic-v2 .prize-card.third {
  background: #ffd9e8;
  transform: rotate(1.2deg);
}

.comic-v2 .medal {
  border: 3px solid var(--v2-ink);
  background: var(--v2-blue);
  box-shadow: 4px 4px 0 var(--v2-ink);
  color: #fff;
}

.comic-v2 .prize-card h3 {
  font-family: "Arial Black", "PingFang SC", sans-serif;
}

.comic-v2 .info-section {
  background: var(--v2-paper);
}

.comic-v2 .info-grid {
  gap: 28px;
}

.comic-v2 .info-card {
  border: 3px solid var(--v2-ink);
  border-radius: 5px;
  box-shadow: 8px 8px 0 var(--v2-ink);
}

.comic-v2 .info-card:first-child {
  background: #dcecff;
}

.comic-v2 .info-card:last-child {
  background: #e2f8e8;
}

.comic-v2 .organizers {
  border: 3px solid var(--v2-ink);
  border-radius: 5px;
  background: #fff;
  box-shadow: 8px 8px 0 var(--v2-red);
}

.comic-v2 .organizer-row strong {
  color: var(--v2-red);
}

.comic-v2 .final-cta {
  border-top: 4px solid var(--v2-ink);
  background:
    linear-gradient(115deg, transparent 0 58%, var(--v2-red) 58% 68%, transparent 68%),
    radial-gradient(circle, rgba(255, 255, 255, 0.1) 0 2px, transparent 3px),
    var(--v2-ink);
  background-size: auto, 19px 19px, auto;
}

.comic-v2 .final-cta-inner {
  text-align: left;
}

.comic-v2 .final-cta h2 {
  max-width: 850px;
  color: #fff;
  font: 1000 clamp(44px, 7vw, 84px)/0.98 "Arial Black", "PingFang SC", sans-serif;
}

.comic-v2 .final-cta p:not(.section-kicker) {
  color: #dce8ff;
}

.comic-v2 footer {
  border-top: 3px solid var(--v2-ink);
  background: var(--v2-yellow);
  color: var(--v2-ink);
  font-weight: 900;
}

@keyframes title-slam {
  from {
    opacity: 0;
    transform: translate(-24px, -18px) rotate(-4deg) scale(1.08);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes card-arrive {
  from {
    opacity: 0;
    transform: translate(38px, 30px) rotate(6deg) scale(0.92);
  }
  to {
    opacity: 1;
    transform: rotate(1.7deg);
  }
}

@media (max-width: 1040px) {
  .comic-v2 .hero-inner {
    gap: 32px;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  }

  .comic-v2 nav a:not(.nav-cta):nth-child(-n + 2) {
    display: none;
  }
}

@media (max-width: 820px) {
  .comic-v2::before {
    display: none;
  }

  .comic-v2 .header-inner {
    border-radius: 8px;
  }

  .comic-v2 nav a:not(.nav-cta) {
    display: none;
  }

  .comic-v2 .hero {
    padding: 104px 20px 64px;
  }

  .comic-v2 .hero-inner {
    gap: 34px;
    grid-template-areas:
      "copy"
      "art"
      "tags";
    grid-template-columns: 1fr;
  }

  .comic-v2 .hero-art {
    width: min(520px, calc(100% - 24px));
    justify-self: center;
  }

  .comic-v2 .hero-mascot-tags {
    justify-content: center;
  }

  .comic-v2 .mission-grid,
  .comic-v2 .score-layout,
  .comic-v2 .podium,
  .comic-v2 .info-grid {
    grid-template-columns: 1fr;
  }

  .comic-v2 .mission-card,
  .comic-v2 .mission-card:nth-child(2),
  .comic-v2 .mission-card:nth-child(3) {
    transform: none;
  }

  .comic-v2 .score-total {
    position: relative;
    top: auto;
    min-height: 300px;
  }

  .comic-v2 .prize-card.first {
    transform: none;
  }
}

@media (max-width: 560px) {
  .comic-v2 .ticker {
    /* 旋转后的长跑马灯会把移动端 scrollWidth 撑宽约 4px。 */
    transform: none;
  }

  .comic-v2 .site-header {
    padding: 8px;
  }

  .comic-v2 .header-inner {
    min-height: 52px;
    padding-left: 10px;
    box-shadow: 4px 4px 0 var(--v2-ink);
  }

  .comic-v2 .brand span:last-child {
    display: none;
  }

  .comic-v2 .hero {
    padding: 88px 14px 54px;
  }

  .comic-v2 .eyebrow {
    font-size: 10px;
  }

  .comic-v2 .hero-title-image {
    margin-top: 2px;
    border-width: 3px;
    box-shadow:
      6px 6px 0 var(--v2-red),
      11px 11px 0 var(--v2-yellow);
  }

  .comic-v2 .hero-actions {
    display: grid;
  }

  .comic-v2 .hero-actions > * {
    width: 100%;
  }

  .comic-v2 .hero-facts {
    grid-template-columns: 1fr;
  }

  .comic-v2 .hero-fact + .hero-fact {
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-left: 0;
  }

  .comic-v2 .hero-art {
    width: calc(100% - 22px);
    box-shadow:
      8px 8px 0 var(--v2-red),
      15px 15px 0 var(--v2-yellow);
  }

  .comic-v2 .comic-bubble {
    left: -15px;
    width: 76px;
    height: 64px;
    font-size: 14px;
  }

  .comic-v2 .art-sticker {
    right: -12px;
    bottom: 20px;
    width: 86px;
    height: 86px;
    font-size: 12px;
  }

  .comic-v2 .section {
    padding: 76px 18px;
  }

  .comic-v2 .section-heading {
    font-size: clamp(34px, 12vw, 50px);
  }

  .comic-v2 .deliverable,
  .comic-v2 .deliverable:nth-child(2),
  .comic-v2 .deliverable:nth-child(3) {
    margin-left: 0;
    grid-template-columns: 56px 1fr;
  }

  .comic-v2 .deliverable-tag {
    justify-self: start;
    grid-column: 2;
  }

  .comic-v2 .timeline::before {
    left: 16px;
  }

  .comic-v2 .timeline-item {
    gap: 18px;
    grid-template-columns: 30px 1fr;
  }

  .comic-v2 .timeline-item::before {
    left: 7px;
  }

  .comic-v2 .timeline-step {
    writing-mode: vertical-rl;
  }
}

@media (prefers-reduced-motion: reduce) {
  .comic-v2 .hero-title-image,
  .comic-v2 .hero-art {
    animation: none;
  }
}