/* ============================================================
   首页 / 门户：沿用游戏页的场景语言
   暗场景 + 暖光 + 纸容器
   ============================================================ */

/* ---------- 可调参数（lab.html 的面板直接改这些） ---------- */

.immersive {
  --h-gap: 26px;          /* 卡片间距 */
  --h-radius: 0px;        /* 卡片圆角 */
  --h-lift: 3px;          /* 悬停上移距离 */
  --h-ratio: 4 / 3;       /* 作品卡比例 */
  --h-game-ratio: 16 / 10;/* 游戏卡比例 */
  --h-title-size: 15.5px; /* 作品标题字号 */
  --h-meta-size: 12px;    /* 作品副标题字号 */
  --h-dur: 0.4s;          /* 悬停过渡时长 */
  --h-ease: var(--g-ease);/* 悬停缓动曲线 */
  --h-shadow: 0 14px 30px rgba(35, 38, 31, 0.16);
  --h-news-date: 100px;   /* 新闻日期列宽 */
  --h-news-pad: 18px;     /* 新闻行内边距 */
  --h-studio-size: 20px;  /* 工作室引言字号 */
  --h-studio-width: 62ch; /* 工作室文字宽度 */
  --kv-ratio: 4 / 5;      /* 海报比例（手机） */
  --kv-ratio-d: 16 / 9;   /* 海报比例（桌面） */
  --kv-thumb: 78px;       /* 缩略图边长（手机） */
}


/* ============================================================
   顶部：Logo + 游戏海报轮播 + 缩略图
   （参考日本一官网移动端结构）
   ============================================================ */

.kv-head {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: center;
  padding: 26px 20px 22px;
}

/* 占位 Logo：之后替换成 <img> 或 background-image */
.kv-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #f3ecdb;
  line-height: 1;
}

.kv-logo .accent {
  color: #e8b07a;
}

/* ---------- 轮播 ---------- */

.kv-carousel {
  position: relative;
  z-index: 3;
  width: 100%;
}

.kv-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

.kv-track::-webkit-scrollbar {
  display: none;
}

.kv-slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
  position: relative;
}

.kv-art {
  width: 100%;
  aspect-ratio: var(--kv-ratio, 4 / 5);
  border: 0;
  font-size: 12px;
  letter-spacing: 0.3em;
}

.kv-overlay {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 14px;
  padding: 24px 20px 22px;
  background: linear-gradient(transparent, rgba(8, 12, 14, 0.78));
}

.kv-status {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #e8b07a;
  border: 1px solid rgba(232, 176, 122, 0.5);
  padding: 4px 10px;
  border-radius: 2px;
  background: rgba(8, 12, 14, 0.35);
}

.kv-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: #1a1d19;
  background: #f3ecdb;
  border-radius: 2px;
  transition: background 0.2s, transform 0.2s var(--g-ease);
}

.kv-cta:hover {
  background: #fffdf8;
  transform: translateY(-1px);
}

/* ---------- 信息条 ---------- */

.kv-info {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  background: #101a1c;
  border-top: 1px solid rgba(243, 236, 219, 0.08);
  border-bottom: 1px solid rgba(243, 236, 219, 0.08);
}

.kv-info-main {
  min-width: 0;
}

.kv-info-main h2 {
  margin: 0 0 9px;
  font-size: 19px;
  letter-spacing: 0.06em;
  color: #f3ecdb;
  font-weight: 700;
}

.kv-spec {
  display: flex;
  gap: 16px;
  margin: 0;
  flex-wrap: wrap;
}

.kv-spec > div {
  display: flex;
  gap: 6px;
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

.kv-spec dt {
  color: rgba(243, 236, 219, 0.42);
}

.kv-spec dd {
  margin: 0;
  color: rgba(243, 236, 219, 0.82);
}

.kv-info-actions {
  display: flex;
  gap: 8px;
  flex: none;
}

.kv-info-actions a {
  padding: 9px 17px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: #f3ecdb;
  border: 1px solid rgba(243, 236, 219, 0.26);
  border-radius: 999px;
  white-space: nowrap;
  transition: border-color 0.2s, background 0.2s;
}

.kv-info-actions a:hover {
  border-color: rgba(243, 236, 219, 0.6);
  background: rgba(243, 236, 219, 0.07);
}

/* ---------- 缩略图 ---------- */

.kv-thumbs {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 10px;
  padding: 16px 20px 30px;
  overflow-x: auto;
  scrollbar-width: none;
}

.kv-thumbs::-webkit-scrollbar {
  display: none;
}

.kv-thumb {
  flex: 0 0 auto;
  width: var(--kv-thumb);
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: center;
  font-family: inherit;
}

.kv-thumb .ph {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 2px;
  outline: 2px solid transparent;
  outline-offset: 2px;
  transition: outline-color 0.2s, opacity 0.2s;
  font-size: 9px;
  letter-spacing: 0.12em;
  opacity: 0.55;
}

.kv-thumb.is-active .ph {
  outline-color: #e8b07a;
  opacity: 1;
}

.kv-thumb:hover .ph {
  opacity: 0.9;
}

.kv-thumb span {
  display: block;
  margin-top: 7px;
  font-size: 10.5px;
  color: rgba(243, 236, 219, 0.55);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kv-thumb.is-active span {
  color: #e8b07a;
}

.kv-thumb-all {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--kv-thumb);
  height: var(--kv-thumb);
  padding: 0;
  border: 1px dashed rgba(243, 236, 219, 0.24);
  border-radius: 2px;
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: rgba(243, 236, 219, 0.55);
  transition: border-color 0.2s, color 0.2s;
}

.kv-thumb-all:hover {
  border-color: rgba(232, 176, 122, 0.6);
  color: #e8b07a;
}

/* 纸容器紧接在轮播之后，取消上移 */
.g-paper.h-paper {
  margin-top: 0;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 821px) {
  .kv-head {
    padding: 44px 20px 32px;
  }

  .kv-logo {
    font-size: 27px;
    letter-spacing: 0.22em;
  }

  .kv-carousel,
  .kv-info,
  .kv-thumbs {
    max-width: 1120px;
    margin-left: auto;
    margin-right: auto;
  }

  .kv-carousel {
    padding: 0 24px;
  }

  .kv-art {
    aspect-ratio: var(--kv-ratio-d, 16 / 9);
  }

  .kv-info {
    padding: 20px 24px;
    border-left: 1px solid rgba(243, 236, 219, 0.08);
    border-right: 1px solid rgba(243, 236, 219, 0.08);
  }

  .kv-info-main h2 {
    font-size: 22px;
  }

  .kv-thumbs {
    padding: 18px 24px 34px;
  }

  .kv-thumb,
  .kv-thumb-all {
    width: 96px;
  }

  .kv-thumb-all {
    height: 96px;
  }
}

/* ---------- 首屏（旧版，保留备用） ---------- */

.h-hero {
  padding: 90px 24px 130px;
}

.h-hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 70px;
  align-items: center;
  width: 100%;
  max-width: 940px;
}

.h-eyebrow {
  font-size: 11.5px;
  letter-spacing: 0.32em;
  color: #e8b07a;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.h-title {
  margin: 0 0 28px;
  font-size: clamp(38px, 6.2vw, 70px);
  line-height: 1.26;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #f3ecdb;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.55);
}

.h-title em {
  font-style: normal;
  color: #e8b07a;
  position: relative;
}

.h-title em::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 6px;
  height: 2px;
  background: currentColor;
  opacity: 0.42;
  border-radius: 2px;
}

.h-lede {
  max-width: 48ch;
  margin: 0 0 36px;
  color: rgba(243, 236, 219, 0.68);
  font-size: 14.5px;
  line-height: 2;
}

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

.h-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: rgba(243, 236, 219, 0.82);
  border: 1px solid rgba(243, 236, 219, 0.26);
  border-radius: 2px;
  transition: color 0.25s var(--g-ease), border-color 0.25s var(--g-ease),
    background 0.25s var(--g-ease);
}

.h-btn:hover {
  color: #f3ecdb;
  border-color: rgba(243, 236, 219, 0.55);
  background: rgba(243, 236, 219, 0.06);
}

.h-btn-primary {
  background: #e8b07a;
  border-color: #e8b07a;
  color: #1a1d19;
  font-weight: 600;
}

.h-btn-primary:hover {
  background: #f0c08c;
  border-color: #f0c08c;
  color: #1a1d19;
}

.h-vert {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: clamp(26px, 3.6vw, 42px);
  letter-spacing: 0.3em;
  font-weight: 700;
  color: rgba(243, 236, 219, 0.15);
  user-select: none;
}

/* ---------- 作品 ---------- */

.h-works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--h-gap);
}

.h-work {
  display: block;
  color: inherit;
}

.h-work-art {
  aspect-ratio: var(--h-ratio);
  margin-bottom: 14px;
  border-radius: var(--h-radius);
  transition: transform var(--h-dur) var(--h-ease),
    box-shadow var(--h-dur) var(--h-ease),
    border-color var(--h-dur) var(--h-ease);
}

.h-work:hover .h-work-art {
  transform: translateY(calc(var(--h-lift) * -1));
  box-shadow: var(--h-shadow);
  border-color: rgba(184, 85, 47, 0.42);
}

.h-work h3 {
  margin: 0 0 6px;
  font-size: var(--h-title-size);
  letter-spacing: 0.02em;
  font-weight: 700;
}

.h-work .h-meta {
  font-size: var(--h-meta-size);
  color: var(--g-ink-2);
  letter-spacing: 0.06em;
}

.h-more {
  margin: 40px 0 0;
  font-size: 13px;
}

.h-more.center {
  text-align: center;
}

.h-more a {
  color: var(--g-accent);
  letter-spacing: 0.08em;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(184, 85, 47, 0.32);
  transition: border-color 0.2s;
}

.h-more a:hover {
  border-color: var(--g-accent);
}

/* ---------- 游戏 ---------- */

.h-game {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 42px;
  align-items: center;
  padding: 28px;
  border-radius: var(--h-radius);
  border: 1px solid var(--g-line);
  background: rgba(255, 255, 255, 0.4);
  color: inherit;
  transition: border-color 0.3s var(--g-ease), background 0.3s var(--g-ease),
    transform 0.3s var(--g-ease);
}

.h-game:hover {
  border-color: rgba(184, 85, 47, 0.4);
  background: rgba(255, 255, 255, 0.62);
  transform: translateY(-2px);
}

.h-game-art {
  aspect-ratio: var(--h-game-ratio);
  border-radius: var(--h-radius);
}

.h-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--g-accent);
  border: 1px solid rgba(184, 85, 47, 0.4);
  padding: 3px 9px;
  border-radius: 2px;
  margin-bottom: 14px;
}

.h-game-body h3 {
  margin: 0 0 14px;
  font-size: 26px;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.h-game-body p {
  margin: 0 0 18px;
  color: var(--g-ink-2);
  font-size: 14px;
  line-height: 1.9;
}

.h-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.h-tags span {
  font-size: 11.5px;
  color: var(--g-ink-2);
  border: 1px solid var(--g-line);
  padding: 3px 9px;
  border-radius: 2px;
}

.h-enter {
  font-size: 13px;
  color: var(--g-accent);
  letter-spacing: 0.08em;
}

/* ---------- 日志 ---------- */

.h-logs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.h-logs li {
  border-bottom: 1px dashed var(--g-line);
}

.h-logs li:first-child {
  border-top: 1px dashed var(--g-line);
}

.h-logs a {
  display: grid;
  grid-template-columns: 108px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 18px 6px;
  color: inherit;
  transition: background 0.2s;
}

.h-logs a:hover {
  background: rgba(184, 85, 47, 0.045);
}

.h-logs time {
  font-size: 12px;
  color: var(--g-ink-2);
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.h-logs .t {
  font-size: 14.5px;
}

.h-logs .g {
  font-size: 11.5px;
  color: var(--g-ink-2);
  letter-spacing: 0.1em;
}


/* ---------- 新闻 ---------- */

.h-news {
  list-style: none;
  margin: 0;
  padding: 0;
}

.h-news li {
  border-bottom: 1px dashed var(--g-line);
}

.h-news li:first-child {
  border-top: 1px dashed var(--g-line);
}

.h-news a {
  display: grid;
  grid-template-columns: var(--h-news-date) 1fr auto;
  gap: 18px;
  align-items: center;
  padding: var(--h-news-pad) 6px;
  color: inherit;
  transition: background 0.2s;
}

.h-news a:hover {
  background: rgba(184, 85, 47, 0.045);
}

.h-news time {
  font-size: 12px;
  color: var(--g-ink-2);
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.h-news .t {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
}

.h-news .tag {
  flex: none;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--g-ink-2);
  border: 1px solid var(--g-line);
  padding: 2px 7px;
  border-radius: 2px;
}

.h-news .new {
  flex: none;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: #fffdf8;
  background: var(--g-accent);
  padding: 2px 6px;
  border-radius: 2px;
}

/* ---------- 工作室 ---------- */

.h-studio {
  max-width: var(--h-studio-width);
  margin: 0 0 40px;
}

.h-studio p {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 2.05;
  color: var(--g-ink-2);
}

.h-studio .h-studio-lead {
  margin: 0 0 24px;
  font-size: var(--h-studio-size);
  line-height: 1.8;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--g-ink);
}

/* ---------- 首页章节标题（左对齐大标题） ---------- */

.h-h2 {
  margin: 0 0 34px;
  padding: 0;
  text-align: left;
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.h-h2::after {
  display: none;
}

/* ---------- 创始人卡片 ---------- */

.h-person {
  max-width: var(--h-studio-width);
  padding: 30px 32px 26px;
  border: 1px solid var(--g-line-strong, rgba(35, 38, 31, 0.24));
  background: rgba(255, 255, 255, 0.42);
  margin: 0 0 40px;
}

.h-person-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 26px;
}

.h-person-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: none;
  background: var(--g-accent);
  color: #faf8f3;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.h-person-role {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  color: var(--g-accent);
}

.h-person-name {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--g-ink);
}

.h-person-bio {
  margin: 0 0 24px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--g-ink-2);
}

.h-person-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--g-line);
}

.h-person-links a {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--g-ink-2);
  transition: color 0.2s;
}

.h-person-links a:hover {
  color: var(--g-accent);
}

.h-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--g-ink);
  border: 1px solid var(--g-line-strong, rgba(35, 38, 31, 0.24));
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.h-more-link:hover {
  border-color: var(--g-accent);
}

/* ---------- 联系 ---------- */

.h-contact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0;
  background: var(--g-line);
  border: 1px solid var(--g-line);
}

.h-contact > div {
  background: var(--g-paper);
  padding: 30px 26px;
}

.h-contact dt {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--g-ink-2);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.h-contact dd {
  margin: 0;
  font-size: 14px;
  word-break: break-all;
}

.h-contact a {
  color: var(--g-accent);
  border-bottom: 1px solid rgba(184, 85, 47, 0.3);
}

/* ---------- 页脚 ---------- */

.h-foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 38px 58px 52px;
  border-top: 1px solid var(--g-line);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--g-ink-2);
}

.h-foot a {
  color: var(--g-ink-2);
  border-bottom: 1px solid var(--g-line);
}

.h-foot a:hover {
  color: var(--g-accent);
}

/* ---------- 锚点滚动 ---------- */

html {
  scroll-behavior: smooth;
}

.g-section {
  scroll-margin-top: 58px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .h-hero {
    padding: 80px 20px 110px;
  }

  .h-hero-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .h-hero-side {
    display: none;
  }

  .h-works {
    grid-template-columns: 1fr 1fr;
  }

  .h-game {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }

  .h-logs a,
  .h-news a {
    grid-template-columns: 1fr auto;
    gap: 6px 14px;
    padding: 16px 4px;
  }

  .h-logs time,
  .h-news time {
    grid-column: 1 / -1;
  }

  .h-news .t {
    flex-wrap: wrap;
    gap: 8px;
  }

  .h-contact {
    grid-template-columns: 1fr;
  }

  .h-foot {
    padding: 32px 24px 44px;
  }
}

@media (max-width: 620px) {
  .h-works {
    grid-template-columns: 1fr;
  }

  .h-actions {
    gap: 10px;
  }

  .h-btn {
    flex: 1;
    justify-content: center;
  }
}