/* ============================================================
   问询长生 · 官方网站样式
   设计基调：宣纸米黄 + 水墨青绿 + 描金（取自游戏内 UI 与主视觉）
   ============================================================ */

/* ---------- 变量 ---------- */
:root {
  /* 深色底（展板/暗部，取自游戏 desk 色 #191510） */
  --bg-0: #14110d;
  --bg-1: #1a1611;
  --bg-2: #221d16;
  --bg-3: #2c251c;

  /* 宣纸白（面板，取自游戏 paper #FBF8F1） */
  --paper: #FBF8F1;
  --paper-2: #F5EFE3;
  --paper-3: #EDE7D8;

  --line: rgba(201, 164, 92, .18);
  --line-strong: rgba(201, 164, 92, .38);

  /* 文字（深色底上用） */
  --text-0: #F2EADA;
  --text-1: #D8CFAF;
  --text-2: #A79C82;
  --text-3: #786E58;

  /* 文字（宣纸底上用，取自游戏 ink #3F3A34 / ink2 #8C8578） */
  --ink: #2B2620;
  --ink-2: #57503F;
  --ink-3: #8C8578;

  /* 描金（取自游戏 gold #C9A45C） */
  --gold: #C9A45C;
  --gold-2: #A87E2E;
  --gold-soft: rgba(201, 164, 92, .13);
  --gold-glow: rgba(201, 164, 92, .38);

  /* 青玉绿（取自游戏标题栏 #6FA698） */
  --jade: #6FA698;
  --jade-2: #5C8C6E;
  --jade-soft: rgba(111, 166, 152, .14);
  --jade-glow: rgba(111, 166, 152, .35);

  /* 劫紫（渡劫主色） */
  --violet: #8B6FA8;
  --violet-soft: rgba(139, 111, 168, .14);

  /* 警示红（杀伐/危险） */
  --red: #C05F55;

  --radius-s: 6px;
  --radius: 12px;
  --radius-l: 18px;

  --shadow: 0 20px 50px -20px rgba(0, 0, 0, .8);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --nav-h: 72px;

  --font-serif: "KaiTi", "STKaiti", "楷体", "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, sans-serif;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
figure { margin: 0; }

::selection { background: var(--gold); color: #1a1611; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--gold-2), var(--jade));
  border-radius: 10px;
  border: 2px solid var(--bg-0);
}

.container { width: min(1200px, 92vw); margin: 0 auto; }

/* ---------- 入场动画 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: .1s; }
[data-delay="2"] { transition-delay: .2s; }
[data-delay="3"] { transition-delay: .3s; }
[data-delay="4"] { transition-delay: .4s; }
[data-delay="5"] { transition-delay: .5s; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .06em;
  transition: all .3s var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn__icon { width: 18px; height: 18px; flex: none; }

.btn--primary {
  background: linear-gradient(140deg, var(--gold), #DFC084 50%, var(--gold-2));
  color: #22190a;
  box-shadow: 0 8px 26px -10px var(--gold-glow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -10px var(--gold-glow);
  filter: brightness(1.06);
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text-0);
  background: rgba(251, 248, 241, .04);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  border-color: var(--jade);
  color: var(--jade);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -14px var(--jade-glow);
}

.btn--sm { padding: 9px 20px; font-size: 14px; }
.btn--lg { padding: 15px 34px; font-size: 16px; }

/* ============================================================
   导航栏
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(20, 17, 13, .86);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.nav__inner {
  height: 100%;
  width: min(1280px, 94vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav__logo { display: flex; align-items: center; gap: 12px; }

/* 返回工作室入口 */
.nav__back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: var(--text-2);
  padding: 7px 14px 7px 10px;
  border-radius: 100px;
  border: 1px solid var(--line);
  transition: all .3s var(--ease);
  flex: none;
  white-space: nowrap;
}
.nav__back svg { width: 16px; height: 16px; flex: none; }
.nav__back:hover {
  color: var(--gold);
  border-color: var(--line-strong);
  background: var(--gold-soft);
}
.nav__logo-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 8px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #22190a;
  background: linear-gradient(140deg, var(--gold), var(--gold-2));
  box-shadow: 0 6px 20px -8px var(--gold-glow);
  flex: none;
}
.nav__logo-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.15;
  letter-spacing: .14em;
}
.nav__logo-text em {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: .14em;
  opacity: .8;
  margin-top: 1px;
}

.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__link {
  font-size: 14.5px;
  color: var(--text-2);
  position: relative;
  padding: 4px 0;
  transition: color .25s;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--gold), var(--jade));
  transition: width .3s var(--ease);
}
.nav__link:hover, .nav__link.is-active { color: var(--text-0); }
.nav__link:hover::after, .nav__link.is-active::after { width: 100%; }
.nav__cta { margin-left: 6px; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__toggle span {
  width: 22px; height: 2px;
  background: var(--text-0);
  border-radius: 2px;
  transition: .3s var(--ease);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   首屏
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 150px 0 110px;
}

/* 主视觉底图 —— 暗色雷劫版 */
.hero__bg {
  position: absolute;
  inset: -4%;
  background: url("../img/covers/hero-main.jpg") center 38% / cover no-repeat;
  animation: heroDrift 32s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes heroDrift {
  from { transform: scale(1.04) translateY(-8px); }
  to { transform: scale(1.09) translateY(10px); }
}

/* 压暗遮罩：保证文字可读 */
.hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 78% 62% at 50% 44%, rgba(20, 17, 13, .3) 0%, rgba(20, 17, 13, .76) 58%, rgba(20, 17, 13, .95) 100%),
    linear-gradient(180deg, rgba(20, 17, 13, .82) 0%, rgba(20, 17, 13, .34) 34%, rgba(20, 17, 13, .58) 72%, var(--bg-0) 100%);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: .6;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.hero__glow--a {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(201, 164, 92, .22), transparent 68%);
  top: -16%; left: -8%;
  animation: floatA 18s ease-in-out infinite;
}
.hero__glow--b {
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(139, 111, 168, .22), transparent 68%);
  bottom: -20%; right: -10%;
  animation: floatB 22s ease-in-out infinite;
}
@keyframes floatA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(54px, 46px) scale(1.12); }
}
@keyframes floatB {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-64px, -38px) scale(1.1); }
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: min(920px, 92vw);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 18px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  background: rgba(20, 17, 13, .5);
  backdrop-filter: blur(10px);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--text-1);
  margin-bottom: 32px;
}
.hero__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--jade);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(111, 166, 152, .5); }
  70% { box-shadow: 0 0 0 9px rgba(111, 166, 152, 0); }
  100% { box-shadow: 0 0 0 0 rgba(111, 166, 152, 0); }
}

/* 主标题 —— 楷体 + 描金 */
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(56px, 11vw, 132px);
  font-weight: 700;
  letter-spacing: .16em;
  text-indent: .16em;
  line-height: 1.06;
  margin-bottom: 28px;
  background: linear-gradient(178deg, #FFF6E0 6%, var(--gold) 48%, var(--gold-2) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 4px 30px rgba(201, 164, 92, .42)) drop-shadow(0 1px 1px rgba(0, 0, 0, .6));
}

.hero__slogan {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.3vw, 24px);
  color: var(--text-0);
  letter-spacing: .09em;
  line-height: 1.85;
  margin-bottom: 20px;
}

.hero__desc {
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 2.05;
  margin-bottom: 42px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: clamp(28px, 6vw, 84px);
  flex-wrap: wrap;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.hero__stat { text-align: center; }
.hero__stat b {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .08em;
  margin-bottom: 2px;
}
.hero__stat span {
  font-size: 12.5px;
  color: var(--text-3);
  letter-spacing: .12em;
}

.hero__scroll {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  z-index: 2;
}
.hero__scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(180deg, transparent, var(--gold));
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -44px; left: 0;
  width: 100%; height: 44px;
  background: linear-gradient(180deg, transparent, var(--jade));
  animation: scrollDown 2.2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { top: -44px; }
  100% { top: 44px; }
}
.hero__scroll-text {
  font-size: 10px;
  letter-spacing: .34em;
  color: var(--text-3);
}

/* ============================================================
   通用区块
   ============================================================ */
.section { padding: clamp(80px, 10vw, 128px) 0; position: relative; }

.sec-head { text-align: center; margin-bottom: clamp(42px, 6vw, 66px); }
.sec-head__tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .4em;
  text-indent: .4em;
  color: var(--jade);
  margin-bottom: 14px;
  opacity: .9;
}
.sec-head__title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: .12em;
  margin-bottom: 16px;
}
.sec-head__sub {
  font-size: 15px;
  color: var(--text-2);
  max-width: 660px;
  margin: 0 auto;
  line-height: 1.95;
}
.sec-head--light .sec-head__title { color: #fff; }

/* ============================================================
   关于游戏
   ============================================================ */
.about { background: linear-gradient(180deg, var(--bg-0), var(--bg-1) 55%, var(--bg-0)); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.about__art {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about__art img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.about__art:hover img { transform: scale(1.04); }
/* 中式画框：内描金边 */
.about__art-frame {
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(201, 164, 92, .45);
  border-radius: 8px;
  pointer-events: none;
}
.about__art-frame::before,
.about__art-frame::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
  border-color: var(--gold);
  border-style: solid;
}
.about__art-frame::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.about__art-frame::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.about__lead {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.3vw, 23px);
  color: var(--text-0);
  line-height: 1.9;
  margin-bottom: 20px;
  letter-spacing: .03em;
}
.about__lead b { color: var(--gold); font-weight: 700; }

.about__text p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 2.05;
  margin-bottom: 16px;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.about__tags span {
  font-size: 12.5px;
  padding: 5px 14px;
  border-radius: 4px;
  color: var(--jade);
  background: var(--jade-soft);
  border: 1px solid rgba(111, 166, 152, .26);
  letter-spacing: .06em;
}

/* ============================================================
   核心特色
   ============================================================ */
.features { background: var(--bg-0); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feat {
  position: relative;
  padding: 30px 24px 32px;
  border-radius: var(--radius);
  background: linear-gradient(168deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line);
  transition: transform .4s var(--ease), border-color .4s, background .4s;
  overflow: hidden;
}
.feat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--jade));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.feat:hover { transform: translateY(-7px); border-color: var(--line-strong); }
.feat:hover::before { transform: scaleX(1); }

.feat__icon {
  width: 50px; height: 50px;
  display: grid; place-items: center;
  border-radius: 10px;
  margin-bottom: 18px;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(201, 164, 92, .22);
  transition: transform .4s var(--ease), background .4s, color .4s;
}
.feat:hover .feat__icon {
  transform: scale(1.08) rotate(-4deg);
  background: var(--jade-soft);
  color: var(--jade);
}
.feat__icon svg { width: 25px; height: 25px; }

.feat h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 10px;
  letter-spacing: .08em;
}
.feat p {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.92;
}

/* ============================================================
   九州世界
   ============================================================ */
.world { background: linear-gradient(180deg, var(--bg-0), var(--bg-1) 45%, var(--bg-0)); }

.world__list { display: flex; flex-direction: column; gap: 26px; }

.world-item {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: stretch;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--line);
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.world-item:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 26px 56px -30px rgba(201, 164, 92, .34);
}
/* 偶数项图片换到右侧 */
.world-item--rev .world-item__art { order: 2; }

.world-item__art { position: relative; overflow: hidden; min-height: 280px; }
.world-item__art img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.world-item:hover .world-item__art img { transform: scale(1.06); }
.world-item__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 55%, rgba(34, 29, 22, .9));
}
.world-item--rev .world-item__art::after {
  background: linear-gradient(270deg, transparent 55%, rgba(34, 29, 22, .9));
}

.world-item__body {
  padding: 44px 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.world-item__no {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .3em;
  margin-bottom: 12px;
  opacity: .85;
}
.world-item__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.world-item__body p {
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 2.05;
  margin-bottom: 22px;
}
.world-item__tags { display: flex; gap: 8px; flex-wrap: wrap; }
.world-item__tags li {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 4px;
  color: var(--text-2);
  background: rgba(251, 248, 241, .05);
  border: 1px solid var(--line);
}

/* ============================================================
   实机画面
   ============================================================ */
.shots { background: var(--bg-0); padding-bottom: clamp(60px, 8vw, 96px); }
.shots .container { margin-bottom: clamp(36px, 5vw, 54px); }

/* 横向滚筒 */
.shots__rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 6px max(4vw, calc((100vw - 1200px) / 2)) 22px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  cursor: grab;
}
.shots__rail::-webkit-scrollbar { height: 6px; }
.shots__rail::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }
.shots__rail.is-dragging { cursor: grabbing; scroll-snap-type: none; }

.shot {
  flex: none;
  width: clamp(420px, 46vw, 620px);
  scroll-snap-align: center;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--line);
  cursor: zoom-in;
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.shot:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 50px -26px rgba(201, 164, 92, .3);
}
.shot img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  background: var(--paper-3);
}
.shot figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-2);
  text-align: center;
  letter-spacing: .05em;
  border-top: 1px solid var(--line);
}

.shots__hint {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-3);
  letter-spacing: .14em;
}

/* ============================================================
   开始游玩
   ============================================================ */
.play { position: relative; overflow: hidden; }
.play__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 62% 70% at 50% 0%, rgba(201, 164, 92, .14), transparent 72%),
    radial-gradient(ellipse 52% 60% at 88% 100%, rgba(111, 166, 152, .14), transparent 74%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
}
.play .container { position: relative; z-index: 2; }

.play__grid {
  display: grid;
  grid-template-columns: 1.45fr .55fr;
  grid-template-rows: auto auto;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 40px;
}

.play-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 30px 28px;
  border-radius: var(--radius);
  background-color: rgba(251, 248, 241, .035);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all .4s var(--ease);
}
.play-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--jade));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.play-card:hover {
  transform: translateY(-6px);
  background-color: rgba(251, 248, 241, .07);
  border-color: var(--line-strong);
}
.play-card:hover::after { transform: scaleX(1); }

.play-card--main {
  padding: 40px 34px;
  justify-content: space-between;
  background-image: linear-gradient(190deg, rgba(34, 29, 22, .42), rgba(20, 17, 13, .88)),
                    url("../img/scenes/cultivate.jpg");
  background-size: cover;
  background-position: center;
  grid-row: span 2;
}
.play-card--main .play-card__glow { display: none; }
.play-card--main h3 { font-size: clamp(21px, 2.6vw, 26px); color: #fff; }
.play-card--main p { color: var(--text-1); }
.play-card--main:hover { background-color: transparent; }
.play-card__glow {
  position: absolute;
  width: 320px; height: 320px;
  top: -140px; left: -90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 164, 92, .2), transparent 68%);
  filter: blur(40px);
  pointer-events: none;
}

.play-card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 10px;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(201, 164, 92, .24);
  margin-bottom: 8px;
}
.play-card__icon svg { width: 24px; height: 24px; }

.play-card h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: .06em;
}
.play-card p { font-size: 13.5px; color: var(--text-2); }
.play-card__go {
  margin-top: auto;
  padding-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  transition: color .3s;
}
.play-card:hover .play-card__go { color: var(--jade); }

.play-side { display: flex; flex-direction: column; gap: 18px; }
.play-card--sm { flex: 1; }
.play-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 28px 20px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(201, 164, 92, .1), rgba(111, 166, 152, .08));
  border: 1px solid var(--line-strong);
  text-align: center;
}
.play-qr__code {
  width: 120px; height: 120px;
  border-radius: 8px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 10px 30px -14px rgba(0, 0, 0, .8);
}
.play-qr__code svg { width: 100%; height: 100%; display: block; }
.play-qr__tip {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--text-0);
  line-height: 1.7;
  font-weight: 700;
  letter-spacing: .06em;
}
.play-qr__tip span {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-3);
  font-weight: 400;
  letter-spacing: 0;
}

.play__specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.spec {
  background: rgba(20, 17, 13, .55);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.spec b {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--gold);
  opacity: .9;
}
.spec span { font-size: 13.5px; color: var(--text-1); line-height: 1.7; }

.play__note {
  margin-top: 26px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-3);
}

/* ============================================================
   最新动态
   ============================================================ */
.news { background: var(--bg-0); }

.news__list { max-width: 900px; margin: 0 auto; }

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  border-bottom-color: var(--line);
  transition: all .35s var(--ease);
}
.news-item:hover {
  background: var(--bg-2);
  border-color: var(--line);
  transform: translateX(6px);
}
.news-item__tag {
  flex: none;
  font-size: 11.5px;
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: .1em;
  margin-top: 3px;
  font-weight: 600;
}
.news-item__tag--ver { color: var(--jade); background: var(--jade-soft); border: 1px solid rgba(111, 166, 152, .26); }
.news-item__tag--dev { color: var(--gold); background: var(--gold-soft); border: 1px solid rgba(201, 164, 92, .26); }
.news-item__tag--event { color: var(--violet); background: var(--violet-soft); border: 1px solid rgba(139, 111, 168, .28); }

.news-item__body { flex: 1; min-width: 0; }
.news-item__body h3 {
  font-family: var(--font-serif);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.65;
  margin-bottom: 6px;
  letter-spacing: .03em;
  transition: color .3s;
}
.news-item:hover .news-item__body h3 { color: var(--gold); }
.news-item__body p { font-size: 13.5px; color: var(--text-2); line-height: 1.85; }
.news-item__date {
  flex: none;
  font-size: 12.5px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  margin-top: 5px;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  padding: 54px 0 40px;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  text-align: center;
}
.footer__brand { display: flex; align-items: center; gap: 14px; text-align: left; }
.footer__brand b {
  display: block;
  font-family: var(--font-serif);
  color: var(--text-0);
  font-size: 19px;
  letter-spacing: .12em;
}
.footer__brand p { font-size: 13px; color: var(--text-3); }
.footer__links { display: flex; gap: 26px; flex-wrap: wrap; justify-content: center; }
.footer__links a { font-size: 13.5px; color: var(--text-2); transition: color .3s; }
.footer__links a:hover { color: var(--gold); }
.footer__copy { font-size: 12.5px; color: var(--text-3); }

/* ============================================================
   截图灯箱
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 28px 70px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s var(--ease), visibility .35s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox__mask {
  position: absolute;
  inset: 0;
  background: rgba(10, 8, 6, .9);
  backdrop-filter: blur(10px);
}

.lightbox__stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-height: 100%;
  transform: scale(.96);
  transition: transform .4s var(--ease);
}
.lightbox.is-open .lightbox__stage { transform: none; }

.lightbox__stage img {
  max-width: min(560px, 78vw);
  max-height: 78vh;
  width: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  object-fit: contain;
}
.lightbox__cap {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--text-1);
  letter-spacing: .1em;
}

.lightbox__close {
  position: absolute;
  top: 20px; right: 24px;
  z-index: 5;
  width: 42px; height: 42px;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  color: var(--text-1);
  background: rgba(251, 248, 241, .07);
  border: 1px solid var(--line);
  transition: all .3s;
}
.lightbox__close:hover { background: var(--gold); color: #22190a; border-color: transparent; }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 30px;
  line-height: 1;
  color: var(--text-1);
  background: rgba(251, 248, 241, .07);
  border: 1px solid var(--line);
  transition: all .3s;
}
.lightbox__nav:hover { background: var(--gold); color: #22190a; border-color: transparent; }
.lightbox__nav--prev { left: 22px; }
.lightbox__nav--next { right: 22px; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .play__grid { grid-template-columns: 1.2fr .8fr; }
  .play-qr { grid-column: span 1; }
  .play__specs { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 32px; }
  .world-item { grid-template-columns: 1fr; }
  .world-item__art { min-height: 230px; order: 1 !important; }
  .world-item__art::after,
  .world-item--rev .world-item__art::after {
    background: linear-gradient(180deg, transparent 45%, rgba(34, 29, 22, .92));
  }
  .world-item__body { order: 2; padding: 32px 28px 36px; }
}

@media (max-width: 820px) {
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 26px;
    background: rgba(20, 17, 13, .97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    transition: transform .42s var(--ease);
  }
  .nav__links.is-open { transform: none; }
  .nav__link { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav__cta { margin: 16px 0 0; }
  .nav__toggle { display: flex; }

  .hero__desc br { display: none; }
  .br-m { display: none; }
  .hero__stats { gap: 28px; }
  .hero__stat b { font-size: 22px; }

  .lightbox { padding: 20px 12px; }
  .lightbox__nav { width: 40px; height: 40px; font-size: 24px; }
  .lightbox__nav--prev { left: 8px; }
  .lightbox__nav--next { right: 8px; }
}

@media (max-width: 620px) {
  .features__grid { grid-template-columns: 1fr; }
  .play__grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .play-card--main { grid-row: auto; }
  .play-qr { grid-column: auto; flex-direction: column; text-align: center; align-items: center; justify-content: center; }
  .play__specs { grid-template-columns: 1fr; }
  .news-item { flex-wrap: wrap; gap: 12px; }
  .news-item__date { width: 100%; margin-top: 0; }
  .btn--lg { padding: 13px 26px; font-size: 15px; }
  .shot { width: 76vw; }
  .play-card--main { padding: 32px 26px; }
  .nav__back span { display: none; }
  .nav__back { padding: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}