@charset "UTF-8";
/* ============================================================
 * 霍州比特人博客 · 三版 v3.css
 * 语言子栏目 / 世界版块 / 首页中部 / 霍州实景灯箱 / 导航进度 / 页脚加强
 * 依赖 theme.css 的变量，自动适配明暗主题与 5 套配色
 * ============================================================ */

/* ------------------------------------------------------------
 * 0. 通用：进入视口的轻量动画
 * ------------------------------------------------------------ */
@keyframes v3-rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes v3-float { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-12px) rotate(6deg); } }
@keyframes v3-float2 { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(10px) rotate(5deg); } }
@keyframes v3-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes v3-sweep { 0% { transform: translateX(-120%); } 100% { transform: translateX(220%); } }
@keyframes v3-pulse { 0%, 100% { opacity: .35; transform: scale(1); } 50% { opacity: .9; transform: scale(1.5); } }
@keyframes v3-spin { to { transform: rotate(360deg); } }
@keyframes v3-scan { 0% { transform: translateY(-100%); } 100% { transform: translateY(1000%); } }
@keyframes v3-meteor { 0% { transform: translate3d(0, 0, 0); opacity: 0; } 8% { opacity: .9; } 70% { opacity: .7; } 100% { transform: translate3d(360px, -160px, 0); opacity: 0; } }
@keyframes v3-rise-particle { 0% { transform: translateY(0) scale(.6); opacity: 0; } 15% { opacity: .8; } 100% { transform: translateY(-150px) scale(1.1); opacity: 0; } }

/* 渐进增强：默认内容始终可见，只有真正进入视口时才播放渐显动画。
   不设置 opacity:0，避免观察器未触发 / 脚本未加载时整块内容空白。 */
.v3-in.v3-shown { animation: v3-rise .6s var(--ease) both; }
@media (prefers-reduced-motion: reduce) {
  .v3-in.v3-shown { animation: none; }
  .hz-fx *, .world-hero-deco *, .footer-fx > span { animation: none !important; }
}
.hero-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ------------------------------------------------------------
 * 1. 导航：不同栏目不同颜色
 * ------------------------------------------------------------ */
.nav-item, .m-nav-row { --sec-c: var(--brand); }
.nav-item[data-sec="5"], .m-nav-row[data-sec="5"] { --sec-c: #4f7cff; }
.nav-item[data-sec="4"], .m-nav-row[data-sec="4"] { --sec-c: #9b5cf6; }
.nav-item[data-sec="6"], .m-nav-row[data-sec="6"] { --sec-c: #00a99a; }
.nav-item[data-sec="1"], .m-nav-row[data-sec="1"] { --sec-c: #f08c3a; }
.nav-item[data-sec="3"], .m-nav-row[data-sec="3"] { --sec-c: #e0526b; }
.nav-item[data-sec="8"], .m-nav-row[data-sec="8"] { --sec-c: #d8a11a; }
.nav-item[data-sec="2"], .m-nav-row[data-sec="2"] { --sec-c: #2aa7d8; }
.nav-item[data-sec="7"], .m-nav-row[data-sec="7"] { --sec-c: #6d7f9c; }

.nav-sec-dot {
  display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--sec-c); margin-right: 7px; vertical-align: 2px;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sec-c) 16%, transparent);
  transition: transform .25s var(--ease);
}
.nav-item:hover .nav-sec-dot, .nav-item:focus-within .nav-sec-dot { transform: scale(1.7); }
.nav-item > a::after {
  content: ""; position: absolute; left: 10px; right: 10px; bottom: 4px; height: 2px;
  border-radius: 2px; background: var(--sec-c); transform: scaleX(0); transform-origin: left;
  transition: transform .28s var(--ease);
}
.nav-item > a { position: relative; }
.nav-item:hover > a::after, .nav-item > a.active::after { transform: scaleX(1); }
.nav-drop a:hover { color: var(--sec-c); background: color-mix(in srgb, var(--sec-c) 9%, transparent); }
.m-nav-row { border-left: 3px solid var(--sec-c); padding-left: 9px; margin: 2px 0; border-radius: 0 8px 8px 0; }

/* 版块入口卡片也跟着上色（按第 N 个） */
.cat-grid .cat-card { position: relative; overflow: hidden; }
.cat-grid .cat-card::after {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: var(--sec-c, var(--brand)); transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.cat-grid .cat-card:nth-child(1) { --sec-c: #4f7cff; }
.cat-grid .cat-card:nth-child(2) { --sec-c: #9b5cf6; }
.cat-grid .cat-card:nth-child(3) { --sec-c: #00a99a; }
.cat-grid .cat-card:nth-child(4) { --sec-c: #f08c3a; }
.cat-grid .cat-card:nth-child(5) { --sec-c: #e0526b; }
.cat-grid .cat-card:nth-child(6) { --sec-c: #d8a11a; }
.cat-grid .cat-card:nth-child(7) { --sec-c: #2aa7d8; }
.cat-grid .cat-card:nth-child(8) { --sec-c: #6d7f9c; }
.cat-grid .cat-card:hover::after { transform: scaleX(1); }
.cat-grid .cat-card:hover .cat-ico { color: var(--sec-c); border-color: color-mix(in srgb, var(--sec-c) 40%, transparent); }

/* ------------------------------------------------------------
 * 2. 编程：父栏目语言宫格 + 子栏目切换条
 * ------------------------------------------------------------ */
.lang-tabs-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.lang-tab {
  --c: var(--brand);
  position: relative; display: flex; flex-direction: column; gap: 4px;
  padding: 16px 16px 15px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.lang-tab::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(220px 120px at 100% 0%, color-mix(in srgb, var(--c) 20%, transparent), transparent 70%);
  opacity: .7; pointer-events: none;
}
.lang-tab::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--c);
  transform: scaleY(0); transform-origin: top; transition: transform .3s var(--ease);
}
.lang-tabs-grid .lang-tab:nth-child(1) { --c: #4f7cff; }
.lang-tabs-grid .lang-tab:nth-child(2) { --c: #e4b02a; }
.lang-tabs-grid .lang-tab:nth-child(3) { --c: #e0526b; }
.lang-tabs-grid .lang-tab:nth-child(4) { --c: #8b5cf6; }
.lang-tabs-grid .lang-tab:nth-child(5) { --c: #22a06b; }
.lang-tabs-grid .lang-tab:nth-child(6) { --c: #00a7c4; }
.lang-tabs-grid .lang-tab:nth-child(7) { --c: #e07b39; }
.lang-tabs-grid .lang-tab:nth-child(8) { --c: #d8509c; }
.lang-tabs-grid .lang-tab:nth-child(9) { --c: #64748b; }
.lang-tab:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--c) 45%, var(--line)); }
.lang-tab:hover::after { transform: scaleY(1); }
.lt-num { font-size: 10.5px; letter-spacing: .16em; color: var(--c); opacity: .9; }
.lt-name { font-size: 17px; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.lt-desc { font-size: 12px; color: var(--text-3); line-height: 1.55; }
.lt-arrow { position: absolute; right: 14px; top: 14px; font-size: 14px; color: var(--c); opacity: .55; transition: transform .25s var(--ease); }
.lang-tab:hover .lt-arrow { transform: translate(3px, -3px); opacity: 1; }

.lang-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.lang-tab-pill {
  --c: var(--brand);
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text-2); font-size: 13px; font-weight: 600;
  transition: all .25s var(--ease);
}
.lang-tab-pill .lt-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c); }
.lang-tab-pill:nth-child(1) { --c: #4f7cff; }
.lang-tab-pill:nth-child(2) { --c: #e4b02a; }
.lang-tab-pill:nth-child(3) { --c: #e0526b; }
.lang-tab-pill:nth-child(4) { --c: #8b5cf6; }
.lang-tab-pill:nth-child(5) { --c: #22a06b; }
.lang-tab-pill:nth-child(6) { --c: #00a7c4; }
.lang-tab-pill:nth-child(7) { --c: #e07b39; }
.lang-tab-pill:nth-child(8) { --c: #d8509c; }
.lang-tab-pill:nth-child(9) { --c: #64748b; }
.lang-tab-pill:hover { color: var(--text); border-color: var(--c); transform: translateY(-2px); }
.lang-tab-pill.on {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, var(--c), color-mix(in srgb, var(--c) 62%, #111));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--c) 35%, transparent);
}
.lang-tab-pill.on .lt-dot { background: #fff; box-shadow: 0 0 0 3px rgba(255,255,255,.28); }
.sub-hero .page-hero-deco { text-transform: uppercase; }

/* ------------------------------------------------------------
 * 3. 世界版块：活泼主视觉 + 跑马灯 + 封面网格
 * ------------------------------------------------------------ */
.world-hero {
  background: linear-gradient(125deg, color-mix(in srgb, var(--brand) 10%, var(--surface)), var(--surface) 45%, color-mix(in srgb, #d8a11a 13%, var(--surface)));
  isolation: isolate;
}
html[data-theme="dark"] .world-hero { background: linear-gradient(125deg, #14203a, #101827 48%, #2c2412); }
.world-hero > :not(.world-hero-deco) { position: relative; z-index: 1; }
.world-hero .page-hero-deco { z-index: 0 !important; color: rgba(216,161,26,.1); }
.world-hero h1 em { font-style: normal; background: linear-gradient(100deg, var(--brand), #d8a11a 70%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.world-hero p { max-width: 58em; }
.world-hero-deco { position: absolute !important; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.wh-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--bg-grid) 1px, transparent 1px), linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(90deg, transparent, #000 40%, transparent); }
.wh-dots { position: absolute; inset: 0; background-image: radial-gradient(circle, color-mix(in srgb, var(--brand) 30%, transparent) 1px, transparent 1px); background-size: 34px 34px; opacity: .35; }
.wh-orb { position: absolute; border-radius: 50%; filter: blur(34px); opacity: .5; animation: v3-float 9s ease-in-out infinite; }
.wh-orb.a { width: 170px; height: 170px; right: 8%; top: -50px; background: #ffd166; }
.wh-orb.b { width: 130px; height: 130px; right: 26%; bottom: -70px; background: #8b5cf6; animation-delay: -3s; }
.wh-orb.c { width: 110px; height: 110px; right: 42%; top: 10%; background: #22d3ee; animation-delay: -6s; }
.wh-float { position: absolute; font-size: 20px; color: var(--brand); opacity: .5; animation: v3-float 6s ease-in-out infinite; }
.wh-float.f1 { left: 12%; top: 20%; }
.wh-float.f2 { left: 30%; top: 62%; animation-delay: -1.4s; color: #e0526b; }
.wh-float.f3 { left: 52%; top: 24%; animation-delay: -2.8s; color: #d8a11a; }
.wh-float.f4 { left: 70%; top: 70%; animation-delay: -4s; color: #00a99a; }

.world-strip { overflow: hidden; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line); margin: -6px 0 30px; padding: 10px 0; }
.ws-track { display: flex; gap: 20px; width: max-content; white-space: nowrap; animation: v3-marquee 40s linear infinite; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-3); letter-spacing: .04em; }
.ws-track i { color: var(--brand); font-style: normal; }

.world-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.world-card {
  display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.world-card:hover { transform: translateY(-5px) rotate(-.4deg); box-shadow: var(--shadow-lg); border-color: var(--brand); }
.wc-cover { position: relative; aspect-ratio: 600 / 340; overflow: hidden; background: var(--surface-2); }
.wc-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease); }
.world-card:hover .wc-cover img { transform: scale(1.06); }
.wc-no { position: absolute; left: 9px; top: 9px; padding: 3px 8px; border-radius: 6px; background: rgba(10,16,30,.62); color: #fff; font-size: 10px; letter-spacing: .1em; backdrop-filter: blur(4px); }
.wc-body { padding: 12px 13px 13px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.wc-body h3 { font-size: 14.5px; line-height: 1.45; margin: 0; color: var(--text); }
.wc-body p { font-size: 12px; line-height: 1.6; color: var(--text-3); margin: 0; flex: 1; }
.wc-foot { display: flex; align-items: center; justify-content: space-between; gap: 6px; font-size: 10.5px; color: var(--text-3); }

.world-teaser-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.world-teaser { position: relative; display: block; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-sm); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.world-teaser:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.world-teaser img { width: 100%; aspect-ratio: 600/340; object-fit: cover; display: block; }
.wt-body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; }
.wt-body b { font-size: 13px; line-height: 1.45; color: var(--text); }
.wt-body span { font-size: 11px; color: var(--text-3); line-height: 1.5; }
.wt-go { position: absolute; right: 9px; top: 9px; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; background: rgba(10,16,30,.6); color: #fff; font-size: 12px; opacity: 0; transform: translateY(-4px); transition: .25s var(--ease); }
.world-teaser:hover .wt-go { opacity: 1; transform: none; }

/* ------------------------------------------------------------
 * 4. 首页中部装饰带 + 年份一行
 * ------------------------------------------------------------ */
.home-band {
  position: relative; overflow: hidden; border: 1px solid var(--line);
  border-radius: var(--radius-lg); margin: 6px 0 34px;
  background: linear-gradient(120deg, color-mix(in srgb, var(--brand) 7%, var(--surface)), var(--surface-2));
  isolation: isolate;
}
.hb-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .5; z-index: -1; }
html[data-theme="dark"] .hb-bg { opacity: .16; }
.hb-inner { position: relative; padding: 28px 26px 22px; }
.hb-inner h2 { font-size: clamp(20px, 3.4vw, 27px); margin: 8px 0 8px; letter-spacing: -.02em; }
.hb-inner h2 em { font-style: normal; color: var(--brand); }
.hb-inner p { margin: 0; max-width: 52em; font-size: 13px; color: var(--text-2); line-height: 1.75; }
.hb-stats { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 20px; }
.hb-stats > div { display: flex; flex-direction: column; gap: 2px; }
.hb-stats b { font-family: var(--font-mono); font-size: 27px; line-height: 1; color: var(--text); }
.hb-stats span { font-size: 11px; color: var(--text-3); letter-spacing: .04em; }
.hb-chip {
  position: absolute; z-index: 2; display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 11px; font-family: var(--font-mono); font-size: 13px;
  background: var(--surface); border: 1px solid var(--line); color: var(--brand);
  box-shadow: var(--shadow-md); opacity: .85;
}
.hb-chip.c1 { right: 8%; top: 18%; animation: v3-float 6s ease-in-out infinite; }
.hb-chip.c2 { right: 19%; top: 58%; animation: v3-float2 7s ease-in-out infinite; color: #e0526b; }
.hb-chip.c3 { right: 31%; top: 12%; animation: v3-float 8s ease-in-out infinite -2s; color: #22a06b; }
.hb-chip.c4 { right: 4%; top: 62%; animation: v3-float2 6.5s ease-in-out infinite -1s; color: #d8a11a; }
.hb-chip.c5 { right: 26%; top: 34%; animation: v3-float 7.5s ease-in-out infinite -3s; color: #9b5cf6; }
.hb-chip.c6 { right: 13%; top: 84%; animation: v3-float2 6s ease-in-out infinite -2.5s; color: #00a99a; }
.hb-ticker { overflow: hidden; border-top: 1px solid var(--line); padding: 8px 0; background: color-mix(in srgb, var(--brand) 5%, transparent); }
.hb-ticker-track { display: flex; gap: 16px; width: max-content; white-space: nowrap; animation: v3-marquee 34s linear infinite; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; color: var(--text-3); }
.hb-ticker-track i { color: var(--brand); font-style: normal; }
.reveal-band.v3-in.v3-shown { animation: v3-rise .7s var(--ease) both; }

.year-strip { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
.ys-label { font-size: 10px; letter-spacing: .14em; color: var(--text-3); margin-right: 4px; }
.year-strip a { padding: 4px 10px; border-radius: 7px; border: 1px solid var(--line); background: var(--surface-2); font-family: var(--font-mono); font-size: 11.5px; color: var(--text-2); transition: .22s var(--ease); }
.year-strip a:hover { color: #fff; background: var(--brand); border-color: var(--brand); transform: translateY(-2px); }
.year-strip .ys-all { border-style: dashed; background: transparent; font-family: var(--font-sans); }

/* ------------------------------------------------------------
 * 5. 霍州：第一屏动态实景 + 影像宫格 + 灯箱
 * ------------------------------------------------------------ */
.hz-hero-v3 {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  border: 1px solid var(--line); margin-bottom: 30px; min-height: 480px;
  display: flex; align-items: flex-end; isolation: isolate;
}
.hz-bg { position: absolute; inset: 0; background-size: cover; background-position: center 42%; transform: scale(1.06); animation: hz-kenburns 22s ease-in-out infinite alternate; z-index: -3; }
@keyframes hz-kenburns { from { transform: scale(1.06) translate(0, 0); } to { transform: scale(1.16) translate(-1.5%, -1.5%); } }
.hz-veil { position: absolute; inset: 0; z-index: -2; background: linear-gradient(100deg, rgba(6,14,28,.93) 0%, rgba(8,18,36,.82) 46%, rgba(8,18,36,.32) 100%), linear-gradient(0deg, rgba(6,14,28,.72), transparent 60%); }
html[data-theme="light"] .hz-veil { background: linear-gradient(100deg, rgba(10,22,42,.92) 0%, rgba(12,26,48,.78) 48%, rgba(12,26,48,.28) 100%), linear-gradient(0deg, rgba(8,18,34,.7), transparent 60%); }
.hz-fx { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.hz-mist { position: absolute; width: 60%; height: 190px; border-radius: 50%; filter: blur(46px); background: rgba(160,210,255,.18); animation: hz-mist-move 16s ease-in-out infinite alternate; }
.hz-mist.m1 { left: -12%; bottom: 4%; }
.hz-mist.m2 { right: -16%; top: 12%; background: rgba(255,214,150,.14); animation-delay: -6s; }
.hz-mist.m3 { left: 28%; bottom: -12%; background: rgba(120,180,255,.12); animation-delay: -11s; }
@keyframes hz-mist-move { from { transform: translateX(-6%) scale(1); } to { transform: translateX(14%) scale(1.25); } }
.hz-sweep { position: absolute; top: 0; bottom: 0; width: 30%; background: linear-gradient(90deg, transparent, rgba(180,220,255,.09), transparent); animation: v3-sweep 9s linear infinite; }
.hz-scan { position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(160,220,255,.65), transparent); animation: v3-scan 7s linear infinite; }
.hz-spark { position: absolute; width: 3px; height: 3px; border-radius: 50%; background: #cfeaff; box-shadow: 0 0 8px 2px rgba(180,220,255,.6); animation: v3-pulse 4s ease-in-out infinite; }
.hz-spark.s1 { left: 62%; top: 22%; }.hz-spark.s2 { left: 78%; top: 38%; animation-delay: -.8s; }.hz-spark.s3 { left: 88%; top: 18%; animation-delay: -1.7s; }.hz-spark.s4 { left: 70%; top: 62%; animation-delay: -2.6s; }.hz-spark.s5 { left: 94%; top: 56%; animation-delay: -3.3s; }
.hz-coord { position: absolute; right: 18px; top: 16px; font-size: 10px; letter-spacing: .2em; color: rgba(210,235,255,.7); writing-mode: vertical-rl; }
.hz-inner { padding: 40px 34px 34px; max-width: 780px; color: #eaf3ff; }
.hz-inner .eyebrow { color: #9fd4ff; font-size: 10.5px; letter-spacing: .16em; }
.hz-inner h1 { font-size: clamp(26px, 4.6vw, 40px); line-height: 1.25; margin: 12px 0 14px; letter-spacing: -.02em; color: #fff; }
.hz-inner h1 em { font-style: normal; display: block; font-size: .66em; font-weight: 500; color: #b9dcff; margin-top: 6px; }
.hz-inner p { font-size: 13px; line-height: 1.9; color: rgba(230,241,255,.86); margin: 0 0 10px; }
.hz-inner .hz-lead { font-size: 14.5px; line-height: 1.85; color: #fff; border-left: 3px solid #7cc4ff; padding-left: 13px; }
.hz-inner .hz-sign { font-size: 12px; color: rgba(200,226,255,.7); border-top: 1px solid rgba(190,220,255,.18); padding-top: 12px; margin-top: 14px; }
.hz-badges { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0 18px; }
.hz-badges span { padding: 5px 11px; border-radius: 999px; border: 1px solid rgba(180,220,255,.28); background: rgba(140,195,255,.1); color: #dceeff; font-size: 11px; backdrop-filter: blur(4px); }
.hz-cta { display: inline-flex; align-items: center; gap: 8px; }
.hz-cta svg { width: 15px; height: 15px; }
.hz-intro { margin-top: 4px; }

.hz-gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.hz-tile {
  position: relative; display: block; width: 100%; padding: 0; margin: 0; text-align: left;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--surface-2); cursor: pointer; aspect-ratio: 4 / 3;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.hz-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.hz-tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s var(--ease); }
.hz-tile:hover img { transform: scale(1.07); }
.hz-tile::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(6,14,28,.86)); pointer-events: none; }
.hz-tile-tag { position: absolute; left: 9px; top: 9px; z-index: 2; padding: 3px 8px; border-radius: 6px; background: rgba(8,18,36,.62); color: #dceeff; font-size: 10px; letter-spacing: .04em; backdrop-filter: blur(4px); }
.hz-tile-cap { position: absolute; left: 12px; right: 12px; bottom: 11px; z-index: 2; display: flex; flex-direction: column; gap: 2px; color: #fff; }
.hz-tile-cap b { font-size: 13.5px; line-height: 1.4; }
.hz-tile-cap small { font-size: 10.5px; color: rgba(220,236,255,.78); }
.hz-play { position: absolute; left: 50%; top: 46%; z-index: 3; transform: translate(-50%, -50%); width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: rgba(8,18,36,.6); border: 1.5px solid rgba(255,255,255,.75); color: #fff; font-size: 15px; padding-left: 3px; backdrop-filter: blur(4px); transition: .25s var(--ease); }
.hz-tile:hover .hz-play { background: var(--brand); border-color: var(--brand); transform: translate(-50%, -50%) scale(1.12); }
.hz-credit { font-size: 11.5px; color: var(--text-3); margin: 14px 0 0; line-height: 1.7; }

.hz-lightbox { position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center; padding: 22px; }
.hz-lightbox[hidden] { display: none; }
.hz-lb-backdrop { position: absolute; inset: 0; background: rgba(5,10,20,.86); backdrop-filter: blur(8px); animation: v3-rise .25s ease both; }
.hz-lb-panel {
  position: relative; z-index: 1; width: min(1180px, 100%); max-height: 92vh; overflow: auto;
  display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(260px, .9fr);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); animation: v3-rise .35s var(--ease) both;
}
.hz-lb-close { position: absolute; right: 10px; top: 8px; z-index: 5; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--text); font-size: 21px; line-height: 1; cursor: pointer; }
.hz-lb-close:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.hz-lb-media { background: #070c16; display: grid; place-items: center; min-height: 300px; overflow: hidden; }
.hz-lb-media img { display: block; max-width: 100%; max-height: 78vh; width: auto; height: auto; object-fit: contain; }
.hz-lb-media video { display: block; width: 1280px; height: auto; max-width: 100%; max-height: 78vh; background: #000; }
.hz-lb-side { padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.hz-lb-side h3 { font-size: 20px; line-height: 1.4; margin: 2px 0 4px; }
.hz-lb-side > p { font-size: 13px; line-height: 1.85; color: var(--text-2); margin: 0; }
.hz-lb-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.hz-lb-nav { display: flex; gap: 8px; margin-top: auto; padding-top: 18px; border-top: 1px dashed var(--line); }
.hz-lb-tip { font-size: 10.5px !important; color: var(--text-3) !important; }

/* ------------------------------------------------------------
 * 6. 导航页：左侧固定进度轨 + 分组配色
 * ------------------------------------------------------------ */
.nav-rail {
  position: fixed; left: max(14px, calc((100vw - var(--maxw)) / 2 - 148px)); top: 50%; transform: translateY(-50%);
  z-index: 40; width: 132px; display: flex; flex-direction: column; gap: 10px;
  padding: 14px 10px; border: 1px solid var(--line); border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}
.nr-title, .nr-percent { font-size: 10px; letter-spacing: .14em; color: var(--text-3); text-align: center; }
.nr-track { position: relative; display: flex; flex-direction: column; gap: 2px; }
.nr-track::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; width: 2px; background: var(--line); border-radius: 2px; }
.nr-fill { position: absolute; left: 9px; top: 12px; width: 2px; height: 0; border-radius: 2px; background: linear-gradient(var(--brand), var(--brand-2)); transition: height .18s linear; box-shadow: 0 0 8px var(--brand-glow); }
.nr-dot { position: relative; display: flex; align-items: center; gap: 8px; padding: 6px 2px; font-size: 10.5px; color: var(--text-3); line-height: 1.3; transition: color .2s var(--ease), transform .2s var(--ease); }
.nr-dot i { flex: none; width: 9px; height: 9px; border-radius: 50%; background: var(--surface); border: 2px solid var(--line-strong); transition: .25s var(--ease); z-index: 1; }
.nr-dot span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nr-dot:hover { color: var(--text); transform: translateX(2px); }
.nr-dot.on { color: var(--text); font-weight: 700; }
.nr-dot.on i { background: var(--tone, var(--brand)); border-color: var(--tone, var(--brand)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--tone, var(--brand)) 18%, transparent); }
.nav-rail .nr-dot:nth-of-type(1) { --tone: #4f7cff; }
.nav-rail .nr-dot:nth-of-type(2) { --tone: #9b5cf6; }
.nav-rail .nr-dot:nth-of-type(3) { --tone: #00a99a; }
.nav-rail .nr-dot:nth-of-type(4) { --tone: #f08c3a; }
.nav-rail .nr-dot:nth-of-type(5) { --tone: #e0526b; }
.nav-rail .nr-dot:nth-of-type(6) { --tone: #d8a11a; }

.nav-group { --tone: var(--brand); padding: 14px 16px 16px; border: 1px solid var(--line); border-left: 4px solid var(--tone); border-radius: var(--radius); background: linear-gradient(100deg, color-mix(in srgb, var(--tone) 6%, var(--surface)), var(--surface) 40%); margin-bottom: 16px; scroll-margin-top: 84px; transition: box-shadow .3s var(--ease); }
.nav-group:hover { box-shadow: var(--shadow-md); }
.nav-group.tone-1 { --tone: #4f7cff; }.nav-group.tone-2 { --tone: #9b5cf6; }.nav-group.tone-3 { --tone: #00a99a; }
.nav-group.tone-4 { --tone: #f08c3a; }.nav-group.tone-5 { --tone: #e0526b; }.nav-group.tone-6 { --tone: #d8a11a; }
.nav-group-head .eyebrow { color: var(--tone); font-size: 11px; }
.nav-group-head .line { background: linear-gradient(90deg, var(--line), transparent); }
.nav-group-head .num { color: var(--tone); }
.nav-group .navsite:hover { border-color: var(--tone); transform: translateY(-3px); }
.nav-group .navsite-logo { color: var(--tone); background: color-mix(in srgb, var(--tone) 9%, var(--surface-2)); }
.nav-group .nav-group-head h2::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 2px; background: var(--tone); margin-right: 9px; vertical-align: 2px; }

/* ------------------------------------------------------------
 * 7. 页脚动态效果加强
 * ------------------------------------------------------------ */
.site-footer { position: relative; overflow: hidden; }
.footer-fx { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.f-ribbon { position: absolute; left: -20%; width: 140%; height: 180px; filter: blur(38px); opacity: .2; border-radius: 50%; }
.f-ribbon.r1 { bottom: -110px; background: linear-gradient(90deg, transparent, var(--brand), transparent); animation: v3-float 12s ease-in-out infinite; }
.f-ribbon.r2 { bottom: -70px; background: linear-gradient(90deg, transparent, var(--brand-3), transparent); animation: v3-float 15s ease-in-out infinite -5s; opacity: .16; }
.f-ribbon.r3 { top: -130px; background: linear-gradient(90deg, transparent, var(--brand-2), transparent); animation: v3-float2 14s ease-in-out infinite -3s; opacity: .13; }
.f-horizon { position: absolute; left: 0; right: 0; bottom: 54px; height: 1px; background: linear-gradient(90deg, transparent, var(--brand), var(--brand-2), transparent); opacity: .4; }
.f-beam { position: absolute; top: 0; bottom: 0; width: 22%; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--brand) 10%, transparent), transparent); animation: v3-sweep 11s linear infinite; }
.f-meteor { position: absolute; width: 120px; height: 1px; background: linear-gradient(90deg, transparent, var(--brand-2)); opacity: 0; animation: v3-meteor 9s linear infinite; }
.f-meteor.m1 { left: 8%; top: 40%; }.f-meteor.m2 { left: 42%; top: 70%; animation-delay: -3s; }.f-meteor.m3 { left: 68%; top: 25%; animation-delay: -6s; }
.f-particles { position: absolute; inset: 0; }
.f-particle { position: absolute; bottom: 0; width: 3px; height: 3px; border-radius: 50%; background: var(--brand-2); opacity: 0; animation: v3-rise-particle linear infinite; }
.f-code-line { position: absolute; font-family: var(--font-mono); font-size: 12px; color: var(--brand); opacity: .16; letter-spacing: .1em; }
.f-code-line.l1 { left: 6%; top: 22%; animation: v3-float 7s ease-in-out infinite; }
.f-code-line.l2 { right: 9%; top: 32%; animation: v3-float2 8s ease-in-out infinite; }
.f-code-line.l3 { right: 24%; bottom: 20%; animation: v3-float 9s ease-in-out infinite -4s; }
.site-footer .wrap { position: relative; z-index: 1; }

/* ------------------------------------------------------------
 * 8. 归档页简化后的一行年份
 * ------------------------------------------------------------ */
.ar-simple-year { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.as-label { font-size: 10px; letter-spacing: .16em; color: var(--text-3); margin-right: 4px; }
.as-year { padding: 7px 15px; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); font-family: var(--font-mono); font-size: 12.5px; color: var(--text-2); transition: .22s var(--ease); }
.as-year small { font-size: 10px; color: var(--text-3); margin-left: 4px; }
.as-year:hover { transform: translateY(-2px); border-color: var(--brand); color: var(--text); }
.as-year.on { background: linear-gradient(135deg, var(--brand), var(--brand-3)); color: #fff; border-color: transparent; box-shadow: 0 6px 18px var(--brand-glow); }
.as-year.on small { color: rgba(255,255,255,.8); }
.ar-active { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 11px 14px; border: 1px dashed var(--brand); border-radius: 10px; background: var(--brand-soft); font-size: 12.5px; color: var(--text-2); margin-bottom: 20px; }
.ar-active b { color: var(--text); font-weight: 600; }
.ar-active a { margin-left: auto; color: var(--brand); }

/* ------------------------------------------------------------
 * 9. 响应式
 * ------------------------------------------------------------ */
@media (max-width: 1180px) {
  .nav-rail { display: none; }
  .world-grid, .world-teaser-grid, .hz-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .hz-lb-panel { grid-template-columns: 1fr; }
  .hz-lb-media { min-height: 200px; }
  .hz-lb-media img, .hz-lb-media video { max-height: 48vh; }
  .lang-tabs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .world-grid, .world-teaser-grid, .hz-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hb-chip.c3, .hb-chip.c5 { display: none; }
}
@media (max-width: 620px) {
  .lang-tabs-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .lang-tab { padding: 12px; }
  .lt-name { font-size: 15px; }
  .lt-desc { font-size: 11px; }
  .world-grid, .world-teaser-grid, .hz-gallery { grid-template-columns: 1fr 1fr; gap: 9px; }
  .wc-body { padding: 9px 10px 10px; }
  .wc-body h3 { font-size: 12.5px; }
  .wc-body p { display: none; }
  .world-teaser .wt-body span { display: none; }
  .hz-hero-v3 { min-height: 0; }
  .hz-inner { padding: 26px 18px 24px; }
  .hz-inner p { font-size: 12px; line-height: 1.8; }
  .hz-inner .hz-lead { font-size: 13px; }
  .hz-coord, .hz-spark { display: none; }
  .hz-tile-cap b { font-size: 11.5px; }
  .hz-tile-cap small { display: none; }
  .hz-play { width: 36px; height: 36px; font-size: 12px; }
  .hb-inner { padding: 20px 16px 16px; }
  .hb-stats { gap: 16px; }
  .hb-stats b { font-size: 21px; }
  .hb-chip { width: 30px; height: 30px; font-size: 11px; opacity: .65; }
  .hb-chip.c1, .hb-chip.c2, .hb-chip.c4, .hb-chip.c6 { display: none; }
  .world-strip { margin-bottom: 22px; }
  .nav-rail { display: none; }
  .hz-lb-panel { max-height: 94vh; }
  .hz-lb-side { padding: 18px 16px; }
  .hz-lb-side h3 { font-size: 16px; }
  .f-code-line, .f-beam { display: none; }
}