/* ====== 基础主题（保留你现有配色，略有细化） ====== */
:root{
  --bg:#0a0f1a; --bg-2:#0f1625; --card:#121b2e;
  --text:#e9edf5; --muted:#a8b3c7;
  --brand:#00bfff; --brand-2:#5ad1ff;
  --primary:#ffcc00; --danger:#ff4a4a; --accent:#7b61ff;
  --ring: rgba(90,209,255,.35); --radius:16px; --shadow:0 12px 40px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font:14px system-ui,-apple-system,Segoe UI,Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:radial-gradient(1200px 700px at 60% -10%, rgba(0,191,255,.06), transparent), var(--bg);
}
.container{width:min(1200px,92%);margin:0 auto}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ====== Skip-Link：默认不可见，仅键盘可见 ====== */
.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden
}
.skip-link:focus{
  left:12px;top:12px;width:auto;height:auto;z-index:2000;
  padding:8px 12px;border-radius:10px;background:#ffd945;color:#111;font-weight:800;
  box-shadow:0 8px 16px rgba(0,0,0,.3)
}

/* ====== 按钮、卡片、胶囊 ====== */
.card{background:var(--card); border:1px solid rgba(255,255,255,.06); border-radius:var(--radius); box-shadow:var(--shadow)}
.glass{background:linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.04)); border:1px solid rgba(255,255,255,.16); backdrop-filter:saturate(150%) blur(8px); box-shadow:var(--shadow)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.14);cursor:pointer;transition:.25s;background:rgba(255,255,255,.04);font-weight:700}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.5)}
.btn--primary{background:linear-gradient(135deg,#ff6a6a,#ff2f2f);border:none;color:#fff}
.btn--brand{background:linear-gradient(135deg,#46d7ff,#008cff);border:none;color:#fff}
.btn--ghost{background:transparent;border:1px solid rgba(255,255,255,.22)}
.pill{display:inline-block;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);cursor:pointer;margin:6px 6px 0 0;transition:.2s}
.pill:hover{background:rgba(255,255,255,.1)}

/* ====== 高端导航（桌面+移动抽屉） ====== */
.site-header.fancy{position:sticky;top:0;z-index:1000;background:rgba(10,15,26,.72);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand__logo{width:40px;height:40px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,.4)}
.brand__text{color:var(--brand);font-weight:800;letter-spacing:.4px}
.nav-main .nav__list{display:flex;gap:12px;list-style:none;margin:0;padding:0}
.nav__link{display:inline-block;padding:10px 14px;border-radius:12px;transition:.2s}
.nav__link:hover{background:rgba(255,255,255,.06)}
.nav__link.is-active{background:var(--primary);color:#222;font-weight:800}

/* 汉堡 */
.nav__toggle{display:none;position:relative;width:42px;height:40px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(255,255,255,.02);cursor:pointer}
.nav__toggle span{position:absolute;left:9px;right:9px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.nav__toggle span:nth-child(1){top:12px}
.nav__toggle span:nth-child(2){top:19px}
.nav__toggle span:nth-child(3){top:26px}

/* 抽屉 */
.drawer{position:fixed;inset:0;background:rgba(0,0,0,.35);backdrop-filter:blur(2px);display:grid;place-items:flex-end;z-index:1500}
.drawer[hidden]{display:none}
.drawer__panel{width:100%;max-width:480px;height:100%;background:linear-gradient(180deg,#0e1524,#0b111d);border-left:1px solid rgba(255,255,255,.08);box-shadow: -8px 0 40px rgba(0,0,0,.45);animation:slideIn .25s ease}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.06)}
.brand--drawer .brand__text{font-size:16px}
.drawer__close{background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:10px;padding:8px 10px;cursor:pointer}
.drawer__nav{padding:16px 18px}
.drawer__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer__link{display:block;text-align:center;padding:12px 10px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.drawer__link.is-active{background:linear-gradient(135deg,#ffd945,#ffb800);color:#111;font-weight:800}

/* ====== 首屏 & 高质字标 ====== */
.hero{position:relative;min-height:76vh;display:grid;place-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;background:center/cover no-repeat fixed;transform:scale(1.06)}
.hero__veil{position:absolute;inset:0;background:
  radial-gradient(900px 600px at 20% 10%, rgba(0,191,255,.20), transparent 50%),
  linear-gradient(180deg, rgba(10,15,26,.35), rgba(10,15,26,.85))}
.hero__inner{position:relative;z-index:1;padding:64px 0}
.hero__card{padding:28px 26px;border-radius:18px;max-width:760px;margin:0 auto;text-align:center}
.hero__eyebrow{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:var(--brand-2);font-weight:700;margin-bottom:10px}
.wordmark{max-width:780px;margin:2px auto 8px}
.wordmark svg{width:100%;height:auto;display:block}
.hero__desc{color:var(--primary);opacity:.95;margin:0 0 16px}
.hero__cta{display:flex;gap:12px;justify-content:center;margin-top:8px;flex-wrap:wrap}
.chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:14px 0 0;padding:0;list-style:none}
.chip{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);color:#cfeaff}
.hero__scroll{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);opacity:.7}

/* ====== 视频区 ====== */
.section{padding:60px 0;background:var(--bg-2)}
.section--video{padding:56px 0}
.section__header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap}
.section__title{font-size:clamp(22px,4.2vw,34px);margin:0;letter-spacing:.5px;background:linear-gradient(90deg,#ff0080,#ff8c00,#ffec00,#32ff00,#00d4ff,#8c00ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.grid-2{display:grid;grid-template-columns:1.3fr .9fr;gap:22px}
.video__player{display:block;width:100%;height:auto;border-radius:14px}
.playlist{padding:16px}
.playlist__scroller{display:flex;flex-wrap:wrap}
.quick-cta{margin-top:16px;display:flex;gap:12px;flex-wrap:wrap}

/* 高级 CTA（替代“更多视频请前往 游戏介绍”） */
.cta-ghost{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.03);
  color:var(--brand);font-weight:800;letter-spacing:.2px;
  transition:background .25s, box-shadow .25s, transform .2s, border-color .25s;
}
.cta-ghost__icon{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:999px;background:linear-gradient(135deg,#46d7ff,#008cff);color:#fff;font-size:12px}
.cta-ghost:hover{
  background:rgba(255,255,255,.06);
  border-color:rgba(90,209,255,.45);
  box-shadow:0 10px 24px rgba(0,0,0,.35), inset 0 0 0 1px rgba(90,209,255,.2);
  transform:translateY(-1px);
}

@media (max-width: 980px){
  .nav-main{display:none}
  .nav__toggle{display:inline-block}
  .grid-2{grid-template-columns:1fr;gap:16px}
  .hero{min-height:calc(100vh - 60px)}
  .hero__card{padding:22px 18px}
}

/* ====== 兼容其他页面原有类 ====== */
.section-content{padding:60px 0;background:var(--bg-2)}
.section-title-yellow{color:var(--primary)}
.section-title-red{color:#ff5a5a}
.glowing-text{font-weight:600;color:var(--primary)}
.rainbow-text{background:linear-gradient(90deg,#ff0080,#ff8c00,#ffec00,#32ff00,#00d4ff,#8c00ff,#ff0080);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.responsive-image{max-width:100%;height:auto;border-radius:12px;margin:10px auto}
.download-section{margin:20px 0}
.download-button{display:inline-block;padding:10px 20px;background:#00bfff;color:#111;border-radius:10px;font-weight:800;transition:.25s}
.download-button:hover{transform:translateY(-2px);background:#0096ff}
.attention-note{color:#ff6363}

/* ===== 顶部固定导航（全站通用） ===== */
:root{
  --header-h: 64px;
}
.sticky-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(10,15,26,0.82); /* 深色半透明 */
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
body{ padding-top: var(--header-h); } /* 避免内容被顶栏遮住 */

.sticky-header.is-scrolled{
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.nav-container{
  width: min(1200px, 92%);
  margin: 0 auto;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand__logo{width:40px;height:40px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,.35)}
.brand__text{color:#00bfff;font-weight:800;letter-spacing:.3px}

.nav-main .nav__list{display:flex;gap:8px;list-style:none;margin:0;padding:0}
.nav__link{
  display:inline-block; padding:8px 12px; border-radius:10px;
  color:#e9edf5; text-decoration:none; transition: .2s;
}
.nav__link:hover{ background: rgba(255,255,255,0.06); }
.nav__link.is-active{ background:#ffd945; color:#20242b; font-weight:800; }

/* 移动端汉堡 & 抽屉 */
.nav__toggle{
  display:none; position:relative; width:42px; height:40px;
  border:1px solid rgba(255,255,255,.18); border-radius:12px;
  background:rgba(255,255,255,.02); cursor:pointer;
}
.nav__toggle span{position:absolute;left:9px;right:9px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.nav__toggle span:nth-child(1){top:12px}
.nav__toggle span:nth-child(2){top:19px}
.nav__toggle span:nth-child(3){top:26px}

.drawer{position:fixed;inset:0;background:rgba(0,0,0,.35);backdrop-filter:blur(2px);display:grid;place-items:flex-end;z-index:1500}
.drawer[hidden]{display:none}
.drawer__panel{width:100%;max-width:480px;height:100%;background:linear-gradient(180deg,#0e1524,#0b111d);border-left:1px solid rgba(255,255,255,.08);box-shadow: -8px 0 40px rgba(0,0,0,.45);animation:slideIn .25s ease}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.06)}
.brand--drawer .brand__text{font-size:16px}
.drawer__close{background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:10px;padding:8px 10px;cursor:pointer}
.drawer__nav{padding:16px 18px}
.drawer__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer__link{display:block;text-align:center;padding:12px 10px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.drawer__link.is-active{background:linear-gradient(135deg,#ffd945,#ffb800);color:#111;font-weight:800}

@media (max-width: 980px){
  .nav-main{display:none}
  .nav__toggle{display:inline-block}
}

/* ===== 高端区块标题（全站通用） ===== */
.section-title{
  position: relative;
  font-weight: 900;
  font-size: clamp(22px, 4.2vw, 32px);
  letter-spacing: .5px;
  margin: 28px 0 18px;
  background: linear-gradient(90deg,#ff0080,#ff8c00,#ffec00,#32ff00,#00d4ff,#8c00ff,#ff0080);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-title::after{
  content:"";
  display:block;
  margin-top:10px;
  width: 88px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, rgba(255,217,69,1), rgba(255,140,0,1));
  box-shadow: 0 6px 16px rgba(255,217,69,.45);
}

/* ===== 视频切换按钮（高端胶囊） ===== */
.video-buttons{
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px,1fr));
  gap: 10px;
}
.video-btn{
  appearance: none; border: 0;
  padding: 12px 14px; border-radius: 999px;
  color: #e9edf5; font-weight: 700; cursor: pointer;
  background: radial-gradient(120% 120% at 30% 30%, rgba(255,255,255,.12), rgba(255,255,255,.04)),
              linear-gradient(135deg, #46d7ff, #008cff);
  box-shadow: 0 10px 24px rgba(0,0,0,.35), inset 0 0 0 1px rgba(255,255,255,.15);
  transition: transform .18s ease, box-shadow .2s ease, filter .2s ease;
}
.video-btn:hover{ transform: translateY(-2px); filter: brightness(1.02); }
.video-btn:active{ transform: translateY(0); }
.video-container video{
  width: 100%; height: auto; display:block;
  border-radius: 14px; box-shadow: 0 16px 40px rgba(0,0,0,.45);
}

/* 小屏优化 */
@media (max-width: 768px){
  :root{ --header-h: 58px; }
  .video-buttons{ grid-template-columns: repeat(2, 1fr); }
}

/* =======================
   游戏介绍（GI）专属视觉
   ======================= */

/* 顶部大标题区 */
.gi-head{
  margin: 18px 0 8px;
  text-align: left;
}
.gi-title{
  margin: 0 0 8px;
  font-weight: 900;
  letter-spacing: .6px;
  line-height: 1.15;
  font-size: clamp(28px, 5.2vw, 42px);
  /* 青金渐变 + 微光泽 */
  background: linear-gradient(180deg,#EAF7FF 0%, #CFEAFF 25%, #8ED7FF 60%, #47B7FE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 1px 0 rgba(255,255,255,.08),
    0 14px 28px rgba(0,173,255,.12);
}
.gi-lead{
  margin: 0;
  color: #b8c6db;
  font-size: clamp(14px, 2.4vw, 16px);
  opacity: .95;
}
.gi-lead2{
  margin: 10px 0 14px;
  color: #cfe3ff;
  font-size: 15px;
  line-height: 1.7;
  opacity: .9;
}

/* 分区副标题：稳重 + 金色下划线 */
.gi-subtitle{
  position: relative;
  margin: 28px 0 16px;
  font-weight: 800;
  font-size: clamp(20px, 3.8vw, 28px);
  color: #eaf2ff;
  letter-spacing: .4px;
}
.gi-subtitle::after{
  content: "";
  display: block;
  width: 92px; height: 4px;
  margin-top: 10px;
  border-radius: 4px;
  background: linear-gradient(90deg,#FFD86B,#FFB200);
  box-shadow: 0 8px 20px rgba(255,184,0,.35);
}

/* 视频布局与播放器 */
.section{ background: #0f1625; }
.gi-video-grid{
  display: grid;
  grid-template-columns: 1.25fr .95fr;
  gap: 20px;
}
.video__wrap{ overflow: hidden; border-radius: 14px; }
.video__player{
  width: 100%; height: auto; display:block;
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
}

/* 右侧播放列表卡片 */
.gi-playlist{ padding: 16px; }
.gi-pills{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px,1fr));
  gap: 10px;
}

/* 高级胶囊按钮：深色底 + 青色高光边缘 */
.pill{
  appearance: none; border: 0; cursor: pointer;
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 700; letter-spacing: .2px;
  color: #e9f3ff;
  background:
    radial-gradient(120% 120% at 30% 30%, rgba(255,255,255,.12), rgba(255,255,255,.04)),
    linear-gradient(180deg,#1b283d,#121b2e);
  box-shadow:
    inset 0 0 0 1px rgba(90,209,255,.18),
    0 10px 24px rgba(0,0,0,.35);
  transition: transform .18s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.pill:hover{ transform: translateY(-2px); filter: brightness(1.02); }
.pill.is-active{
  background: linear-gradient(135deg,#46d7ff,#008cff);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.18),
    0 14px 30px rgba(0,140,255,.35);
}

/* 信息列表：更规整的行距与配色 */
.gi-list{
  margin: 10px 0 22px;
  padding-left: 1.2em;
  line-height: 1.85;
  font-size: 15px;
  color: #d6e6ff;
}
.gi-list li{ margin:.14em 0; }
.gi-list--green li::marker{ color:#42e59f; }
.gi-list--gold  li::marker{ color:#ffd661; }
.gi-list--blue  li::marker{ color:#6ecbff; }

/* 适配窄屏 */
@media (max-width: 980px){
  .gi-video-grid{ grid-template-columns: 1fr; }
  .gi-pills{ grid-template-columns: repeat(2, 1fr); }
}

.logo-img {
  max-width: 480px;   /* 根据需要调节 */
  height: auto;
  display: block;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px; /* 图标和字标之间的间距 */
}

.brand__icon {
  height: 40px;   /* 小图标大小 */
  width: 40px;
  border-radius: 8px; /* 圆角（可选） */
}

.brand__wordmark {
  height: 36px;   /* 字标图高度 */
  width: auto;
}

/* ====== 页脚 ====== */
.site-footer{background:#0a0f1a;border-top:1px solid rgba(255,255,255,.06);padding:24px 0;text-align:center;color:var(--muted)}
.footer__inner{width:min(1200px,92%);margin:0 auto}