/* =========================================================================
   王旗与沃土 · Banners & Fields — 官方网站样式表
   设计语言：中世纪像素风 · 深墨绿底 / 金饰边 / 青绿旗色 / 米黄字
   无外部依赖，全部相对路径，可直接双击 index.html 预览。
   ========================================================================= */

/* ------------------------------- 0. 像素字体 ------------------------------ */
@font-face {
  font-family: 'PixelCN';
  src: url('../fonts/pixel.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ------------------------------- 1. 设计令牌 ------------------------------ */
:root {
  --bg-0: #0a1310;
  --bg-1: #0e1a14;
  --panel: #14251d;
  --panel-2: #1a2f25;
  --panel-3: #20382c;

  --gold-1: #e8cf8a;
  --gold-2: #c9a24d;
  --gold-3: #8a6a2c;
  --gold-dim: rgba(201, 162, 77, .28);

  --teal-1: #2fa3ad;
  --teal-2: #17636d;
  --teal-3: #0e3f46;

  --cream: #f3ead2;
  --cream-dim: #cfc7ac;
  --muted: #93a999;

  --shadow: rgba(0, 0, 0, .55);
  --radius: 0;

  --nav-h: 74px;
  --wrap: 1180px;

  --font: 'PixelCN', 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', 'Heiti SC', sans-serif;
}

/* ------------------------------- 2. 基础重置 ------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg-0);
  background-image:
    linear-gradient(180deg, #0a1310 0%, #0d1a14 40%, #0a1310 100%),
    repeating-linear-gradient(90deg, rgba(201,162,77,.030) 0 1px, transparent 1px 48px);
  color: var(--cream);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .02em;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img { max-width: 100%; display: block; }

a { color: var(--gold-1); text-decoration: none; }
a:hover { color: var(--teal-1); }

h1, h2, h3, h4 { margin: 0; font-weight: 400; line-height: 1.45; letter-spacing: .08em; }
p { margin: 0 0 1.05em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

code, kbd {
  font-family: var(--font);
  background: rgba(10, 19, 16, .75);
  border: 1px solid var(--gold-dim);
  padding: .1em .45em;
  color: var(--gold-1);
  font-size: .9em;
  white-space: nowrap;
}

kbd { border-color: var(--gold-3); background: var(--panel-3); }

:focus-visible {
  outline: 2px solid var(--gold-1);
  outline-offset: 3px;
}

::selection { background: var(--teal-2); color: #fff; }

/* 细金色滚动条（Chromium） */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--gold-3); border: 2px solid var(--bg-1); }
::-webkit-scrollbar-thumb:hover { background: var(--gold-2); }

/* ------------------------------- 3. 通用工具 ------------------------------ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; top: -100px; left: 12px; z-index: 999;
  background: var(--gold-2); color: var(--bg-0);
  padding: 10px 18px; border: 1px solid var(--gold-1);
}
.skip-link:focus { top: 12px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 26px;
}

.section { position: relative; padding: 92px 0; }
.section-alt {
  background:
    linear-gradient(180deg, rgba(20, 37, 29, .55) 0%, rgba(10, 19, 16, .2) 100%);
  border-top: 1px solid var(--gold-dim);
  border-bottom: 1px solid var(--gold-dim);
}

/* 章节标题 */
.section-head { position: relative; text-align: center; margin-bottom: 54px; }
.kicker {
  display: block;
  color: var(--teal-1);
  font-size: 13px;
  letter-spacing: .38em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: 34px;
  color: var(--gold-1);
  letter-spacing: .14em;
  text-shadow: 0 2px 0 rgba(0, 0, 0, .6);
}
.section-title::before,
.section-title::after {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--gold-2);
  transform: rotate(45deg) translateY(-4px);
  margin: 0 16px;
  opacity: .85;
}
.section-rule {
  display: block;
  width: 132px; height: 1px;
  margin: 18px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold-2), transparent);
}
.section-sub {
  margin: 16px auto 0;
  max-width: 660px;
  color: var(--muted);
  font-size: 15px;
}
.section-sub strong { color: var(--gold-1); font-weight: 400; }

/* 面板基础外观 */
.panel {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .16), 0 10px 26px rgba(0, 0, 0, .35);
}

/* ------------------------------- 4. 按钮 -------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 46px;
  padding: 11px 30px;
  background: linear-gradient(180deg, var(--panel-2) 0%, var(--panel) 100%);
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .18);
  color: var(--cream);
  font-family: var(--font);
  font-size: 16px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: transform .14s ease, box-shadow .18s ease, color .18s ease, background .18s ease;
}
.btn:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .3), 0 0 0 1px var(--teal-1), 0 8px 22px rgba(47, 163, 173, .22);
}
.btn:active { transform: translateY(0); }

.btn-label { font-size: 16px; line-height: 1.3; }
.btn-sub { font-size: 11px; letter-spacing: .22em; color: var(--muted); text-transform: uppercase; }

.btn-primary {
  background: linear-gradient(180deg, var(--gold-1) 0%, var(--gold-2) 100%);
  border-color: var(--gold-1);
  color: #1a1509;
  font-weight: 400;
}
.btn-primary .btn-sub { color: rgba(26, 21, 9, .68); }
.btn-primary:hover {
  color: #0f0c04;
  box-shadow: inset 0 0 0 1px rgba(255, 245, 210, .5), 0 8px 24px rgba(201, 162, 77, .3);
}

.btn-ghost { background: rgba(10, 19, 16, .5); }
.btn-block { width: 100%; }

.badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--gold-dim);
  background: rgba(10, 19, 16, .62);
  color: var(--cream-dim);
  font-size: 12px;
  letter-spacing: .16em;
  backdrop-filter: blur(2px);
}
.badge-gold {
  border-color: var(--gold-2);
  color: var(--gold-1);
  background: rgba(201, 162, 77, .12);
}

/* ------------------------------- 5. 导航 -------------------------------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 19, 16, .82);
  backdrop-filter: blur(9px);
  border-bottom: 1px solid var(--gold-3);
  transition: background .22s ease, box-shadow .22s ease;
}
.site-nav.is-scrolled {
  background: rgba(8, 15, 12, .95);
  box-shadow: 0 8px 26px rgba(0, 0, 0, .5);
}

.nav-inner {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 22px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-icon {
  width: 46px; height: 46px;
  image-rendering: pixelated;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .6));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-cn { color: var(--gold-1); font-size: 21px; letter-spacing: .16em; }
.brand-en { color: var(--teal-1); font-size: 10px; letter-spacing: .3em; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
  display: block;
  padding: 9px 13px;
  color: var(--cream-dim);
  font-size: 15px;
  letter-spacing: .06em;
  border: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease, background .16s ease;
}
.nav-menu a:hover {
  color: var(--gold-1);
  border-color: var(--gold-dim);
  background: rgba(201, 162, 77, .07);
}
.nav-menu a.is-active { color: var(--gold-1); border-color: var(--gold-3); }

.nav-cta {
  margin-left: 8px;
  color: var(--bg-0) !important;
  background: linear-gradient(180deg, var(--gold-1), var(--gold-2));
  border-color: var(--gold-1) !important;
  letter-spacing: .1em;
}
.nav-cta:hover { color: #0f0c04 !important; box-shadow: 0 6px 18px rgba(201, 162, 77, .28); }

.nav-toggle {
  display: none;
  width: 46px; height: 40px;
  padding: 9px 10px;
  background: rgba(20, 37, 29, .8);
  border: 1px solid var(--gold-3);
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--gold-1);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ------------------------------- 6. 首屏 -------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 40px) 0 92px;
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  background-image: url('../img/hero.jpg');
  background-size: cover;
  /* 左对齐：确保主视觉中烧录的标题字不被裁切 */
  background-position: left 42%;
  transform: scale(1.02);
  animation: heroDrift 28s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to   { transform: scale(1.07) translate3d(-1.4%, -1%, 0); }
}
.hero-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 12, 10, .94) 0%, rgba(6, 12, 10, .72) 34%, rgba(6, 12, 10, .16) 66%, rgba(6, 12, 10, .5) 100%),
    linear-gradient(0deg, rgba(6, 12, 10, .96) 0%, rgba(6, 12, 10, .35) 42%, rgba(6, 12, 10, 0) 68%),
    radial-gradient(120% 90% at 22% 88%, rgba(14, 63, 70, .3) 0%, transparent 60%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 26px;
}

.hero-copy { max-width: 640px; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }

.hero-tag {
  margin: 0 0 14px;
  font-size: 30px;
  line-height: 1.5;
  letter-spacing: .12em;
  color: var(--gold-1);
  text-shadow: 0 3px 12px rgba(0, 0, 0, .85);
}

.hero-desc {
  margin: 0 0 30px;
  max-width: 560px;
  font-size: 16px;
  color: var(--cream-dim);
  text-shadow: 0 2px 8px rgba(0, 0, 0, .8);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 20px; }

.hero-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: .08em;
}

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 26px;
  z-index: 2;
  transform: translateX(-50%);
}
.hero-scroll span {
  display: block;
  width: 11px; height: 11px;
  border-right: 2px solid var(--gold-2);
  border-bottom: 2px solid var(--gold-2);
  transform: rotate(45deg);
  animation: scrollHint 1.9s ease-in-out infinite;
  opacity: .75;
}
@keyframes scrollHint {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: .35; }
  50%      { transform: rotate(45deg) translate(4px, 4px); opacity: .9; }
}

/* ------------------------------- 7. 数据条 ------------------------------ */
.stats {
  background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
  border-top: 1px solid var(--gold-3);
  border-bottom: 1px solid var(--gold-3);
}
.stats-list {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 26px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}
.stats-list li {
  padding: 30px 12px;
  text-align: center;
  border-right: 1px solid var(--gold-dim);
}
.stats-list li:last-child { border-right: 0; }
.stats-list strong {
  display: block;
  font-size: 24px;
  color: var(--gold-1);
  letter-spacing: .06em;
  font-weight: 400;
}
.stats-list span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .1em;
}

/* ------------------------------- 8. 游戏简介 ---------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 52px;
  align-items: start;
}
.lead { font-size: 18px; color: var(--cream); }
.about-main p { color: var(--cream-dim); }

.sub-title {
  margin: 34px 0 20px;
  font-size: 19px;
  color: var(--gold-1);
  letter-spacing: .14em;
  padding-left: 16px;
  border-left: 3px solid var(--gold-2);
}

.pillars li {
  position: relative;
  padding: 0 0 18px 30px;
  color: var(--cream-dim);
  font-size: 15px;
}
.pillars li::before {
  content: "";
  position: absolute;
  left: 4px; top: 10px;
  width: 9px; height: 9px;
  background: var(--gold-2);
  transform: rotate(45deg);
}
.pillars strong { display: block; color: var(--gold-1); font-weight: 400; letter-spacing: .08em; }

.muted-note {
  margin-top: 6px;
  padding: 14px 18px;
  border-left: 3px solid var(--teal-2);
  background: rgba(23, 99, 109, .12);
  color: var(--muted);
  font-size: 14px;
}

.about-side { display: flex; flex-direction: column; gap: 24px; }
.crest-panel {
  padding: 30px 22px 26px;
  text-align: center;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .16);
}
.crest { width: 100%; max-width: 210px; margin: 0 auto 18px; }
.crest-title {
  margin: 0;
  color: var(--gold-1);
  font-size: 24px;
  letter-spacing: .2em;
  text-shadow: 0 2px 0 rgba(0, 0, 0, .6);
}
.crest-sub {
  margin: 8px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--gold-dim);
  color: var(--teal-1);
  font-size: 11px;
  letter-spacing: .34em;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--gold-3);
  font-size: 14px;
}
.spec-table th, .spec-table td {
  padding: 11px 15px;
  text-align: left;
  border-bottom: 1px solid rgba(201, 162, 77, .14);
  vertical-align: top;
}
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th {
  width: 34%;
  color: var(--muted);
  font-weight: 400;
  background: rgba(10, 19, 16, .4);
  letter-spacing: .06em;
}
.spec-table td { color: var(--cream-dim); }

/* ------------------------------- 9. 特色卡片 ---------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.card {
  position: relative;
  padding: 30px 26px 32px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .16);
  transition: transform .18s ease, box-shadow .22s ease, border-color .22s ease;
}
.card::before,
.card::after {
  content: "";
  position: absolute;
  width: 12px; height: 12px;
  border: 1px solid var(--gold-2);
  opacity: .65;
  transition: opacity .2s ease;
}
.card::before { top: 7px; left: 7px; border-right: 0; border-bottom: 0; }
.card::after  { bottom: 7px; right: 7px; border-left: 0; border-top: 0; }
.card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-2);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .3), 0 14px 30px rgba(0, 0, 0, .45), 0 0 0 1px rgba(47, 163, 173, .18);
}
.card:hover::before, .card:hover::after { opacity: 1; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  margin-bottom: 18px;
  color: var(--gold-1);
  background: rgba(10, 19, 16, .55);
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .2);
}
.card-icon svg { width: 28px; height: 28px; }

.card h3 {
  font-size: 19px;
  color: var(--gold-1);
  margin-bottom: 12px;
  letter-spacing: .1em;
}
.card p { margin: 0; font-size: 15px; color: var(--cream-dim); }

/* ------------------------------- 10. 截图画廊 --------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.gallery-item { min-width: 0; }
.shot {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .14);
  cursor: pointer;
  overflow: hidden;
  font-family: var(--font);
  text-align: left;
  transition: border-color .2s ease, transform .18s ease, box-shadow .22s ease;
}
.shot img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center top;
  transition: transform .35s ease, filter .3s ease;
}
.shot:hover { border-color: var(--gold-2); transform: translateY(-3px); box-shadow: 0 12px 26px rgba(0, 0, 0, .5); }
.shot:hover img { transform: scale(1.04); filter: brightness(1.08); }

.shot-cap {
  display: block;
  padding: 11px 14px;
  color: var(--cream-dim);
  font-size: 13.5px;
  letter-spacing: .05em;
  border-top: 1px solid var(--gold-dim);
  background: rgba(10, 19, 16, .6);
}
.shot-zoom {
  position: absolute;
  top: 10px; right: 10px;
  width: 30px; height: 30px;
  border: 1px solid var(--gold-2);
  background: rgba(10, 19, 16, .75);
  opacity: 0;
  transition: opacity .2s ease;
}
.shot-zoom::before,
.shot-zoom::after {
  content: "";
  position: absolute;
  background: var(--gold-1);
}
.shot-zoom::before { left: 8px; right: 8px; top: 13px; height: 2px; }
.shot-zoom::after  { top: 8px; bottom: 8px; left: 13px; width: 2px; }
.shot:hover .shot-zoom { opacity: 1; }

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 60px 70px;
  background: rgba(5, 10, 8, .95);
  backdrop-filter: blur(4px);
  animation: lbIn .2s ease;
}
.lightbox[hidden] { display: none; }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }

.lb-figure { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lb-figure img {
  max-width: min(1180px, 100%);
  max-height: calc(100vh - 190px);
  width: auto; height: auto;
  border: 1px solid var(--gold-3);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .7);
}
.lb-figure figcaption {
  color: var(--cream);
  font-size: 15px;
  letter-spacing: .08em;
  text-align: center;
}

.lb-counter { margin: 0; color: var(--muted); font-size: 13px; letter-spacing: .2em; }

.lb-close, .lb-prev, .lb-next {
  position: absolute;
  display: flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  background: rgba(20, 37, 29, .85);
  border: 1px solid var(--gold-3);
  color: var(--gold-1);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  font-family: var(--font);
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.lb-close { top: 22px; right: 22px; font-size: 26px; }
.lb-prev  { left: 22px; top: 50%; transform: translateY(-50%); }
.lb-next  { right: 22px; top: 50%; transform: translateY(-50%); }
.lb-close:hover, .lb-prev:hover, .lb-next:hover {
  background: var(--gold-2); color: var(--bg-0); border-color: var(--gold-1);
}

/* ------------------------------- 11. 玩法与操作 ------------------------- */
.loop-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 46px;
}
.loop-step {
  position: relative;
  padding: 26px 24px;
  background: linear-gradient(180deg, rgba(20, 37, 29, .7), rgba(14, 26, 20, .7));
  border: 1px solid var(--gold-3);
}
.loop-num {
  display: block;
  font-size: 30px;
  color: var(--teal-1);
  letter-spacing: .1em;
  opacity: .8;
  margin-bottom: 8px;
}
.loop-step h3 { font-size: 18px; color: var(--gold-1); margin-bottom: 10px; }
.loop-step p { margin: 0; font-size: 14.5px; color: var(--cream-dim); }

.tabs { margin-bottom: 30px; }
.tab-list {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--gold-3);
  margin-bottom: 26px;
}
.tab {
  padding: 13px 30px;
  background: rgba(10, 19, 16, .5);
  border: 1px solid transparent;
  border-bottom: 0;
  color: var(--muted);
  font-family: var(--font);
  font-size: 15.5px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.tab:hover { color: var(--gold-1); }
.tab.is-active {
  color: var(--gold-1);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border-color: var(--gold-3);
  box-shadow: inset 0 2px 0 var(--gold-2);
}
.tab-panel[hidden] { display: none; }

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--gold-3);
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
}
.data-table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
.data-table th, .data-table td {
  padding: 13px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(201, 162, 77, .14);
  vertical-align: middle;
}
.data-table thead th {
  color: var(--gold-1);
  background: rgba(10, 19, 16, .6);
  letter-spacing: .12em;
  font-weight: 400;
  border-bottom: 1px solid var(--gold-3);
}
.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: rgba(47, 163, 173, .07); }
.data-table td { color: var(--cream-dim); }
.data-table tbody th { color: var(--cream-dim); font-weight: 400; }
.data-table td:first-child { color: var(--cream-dim); }

.plain-list li {
  position: relative;
  padding: 10px 0 10px 26px;
  color: var(--cream-dim);
  font-size: 15px;
  border-bottom: 1px solid rgba(201, 162, 77, .12);
}
.plain-list li:last-child { border-bottom: 0; }
.plain-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: 20px;
  width: 8px; height: 8px;
  background: var(--teal-1);
  transform: rotate(45deg);
}

.tip-box {
  margin-top: 34px;
  padding: 22px 26px;
  background: rgba(23, 99, 109, .14);
  border: 1px solid var(--teal-2);
  border-left: 4px solid var(--teal-1);
}
.tip-label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 12px;
  background: var(--teal-2);
  color: #eafcff;
  font-size: 13px;
  letter-spacing: .18em;
}
.tip-box p { margin: 0; color: var(--cream-dim); font-size: 15px; }
.tip-box strong { color: var(--gold-1); font-weight: 400; }

/* ------------------------------- 12. 更新日志 --------------------------- */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold-3) 8%, var(--gold-3) 92%, transparent);
}
.release { position: relative; margin-bottom: 16px; }
.release::before {
  content: "";
  position: absolute;
  left: -26px; top: 22px;
  width: 11px; height: 11px;
  background: var(--bg-0);
  border: 1px solid var(--gold-2);
  transform: rotate(45deg);
}
.release.is-current::before { background: var(--gold-2); box-shadow: 0 0 10px rgba(201, 162, 77, .8); }

.release > .release-head,
.release summary {
  display: flex;
  align-items: center;
  gap: 14px;
}
.release-head {
  padding: 15px 22px 0;
}
.release > .release-head { padding: 16px 22px 4px; }

.release > .release-head,
.release > details,
.release > .release-notes {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--gold-3);
}
.release > .release-head { border-bottom: 0; }
.release > details { border-top: 0; }
.release > .release-notes { border-top: 0; padding: 8px 22px 20px; }

.release.is-current > .release-head { border-top: 2px solid var(--gold-2); }

details { overflow: hidden; }
details summary {
  padding: 17px 22px;
  cursor: pointer;
  list-style: none;
  transition: background .16s ease;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "+";
  margin-left: auto;
  color: var(--gold-2);
  font-size: 20px;
  line-height: 1;
}
details[open] summary::after { content: "−"; }
details summary:hover { background: rgba(201, 162, 77, .08); }

.ver {
  flex: 0 0 auto;
  padding: 3px 12px;
  background: rgba(201, 162, 77, .14);
  border: 1px solid var(--gold-3);
  color: var(--gold-1);
  font-size: 14px;
  letter-spacing: .1em;
}
.ver-tag {
  padding: 3px 12px;
  background: var(--teal-2);
  color: #eafcff;
  font-size: 12px;
  letter-spacing: .16em;
}
.ver-name { color: var(--muted); font-size: 14.5px; letter-spacing: .06em; }

.release-notes { padding: 4px 22px 20px; }
.release-notes li {
  position: relative;
  padding: 6px 0 6px 22px;
  color: var(--cream-dim);
  font-size: 14.5px;
}
.release-notes li::before {
  content: "◆";
  position: absolute;
  left: 0; top: 6px;
  color: var(--gold-3);
  font-size: 9px;
}

/* ------------------------------- 13. 开发路线 --------------------------- */
.roadmap-panel {
  padding: 32px;
  background: linear-gradient(180deg, rgba(20, 37, 29, .85), rgba(14, 26, 20, .85));
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .16);
}
.roadmap-disclaimer {
  margin: 0 0 28px;
  padding: 14px 18px;
  background: rgba(138, 106, 44, .16);
  border-left: 4px solid var(--gold-2);
  color: var(--cream-dim);
  font-size: 14.5px;
}
.roadmap-disclaimer strong { color: var(--gold-1); font-weight: 400; }

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.roadmap-item {
  padding: 22px 24px;
  background: rgba(10, 19, 16, .48);
  border: 1px solid var(--gold-dim);
}
.roadmap-item h3 {
  font-size: 17px;
  color: var(--gold-1);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gold-dim);
  letter-spacing: .1em;
}
.roadmap-item li {
  position: relative;
  padding: 5px 0 5px 20px;
  color: var(--cream-dim);
  font-size: 14.5px;
}
.roadmap-item li::before {
  content: "";
  position: absolute;
  left: 2px; top: 15px;
  width: 7px; height: 7px;
  background: var(--teal-1);
  transform: rotate(45deg);
}

/* ------------------------------- 14. 下载 ------------------------------- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-bottom: 22px;
}
.dl-card {
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .16);
  transition: transform .18s ease, border-color .2s ease, box-shadow .22s ease;
}
.dl-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-2);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .3), 0 14px 30px rgba(0, 0, 0, .45);
}
.dl-os {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 14px;
  padding: 3px 12px;
  background: rgba(47, 163, 173, .16);
  border: 1px solid var(--teal-2);
  color: var(--teal-1);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.dl-card h3 { font-size: 21px; color: var(--gold-1); margin-bottom: 8px; }
.dl-file {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .04em;
  word-break: break-all;
}
.dl-desc { flex: 1 1 auto; margin: 0 0 22px; color: var(--cream-dim); font-size: 14.5px; }

.dl-hint {
  margin: 0 0 40px;
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 34px;
}
.note-card {
  padding: 22px 24px;
  background: rgba(10, 19, 16, .5);
  border: 1px solid var(--gold-dim);
  border-top: 2px solid var(--gold-3);
}
.note-card h4 { font-size: 16px; color: var(--gold-1); margin-bottom: 10px; letter-spacing: .1em; }
.note-card p { margin: 0; color: var(--cream-dim); font-size: 14.5px; }

/* ------------------------------- 15. FAQ --------------------------------- */
.accordion {
  border: 1px solid var(--gold-3);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 77, .16);
}
.acc-item { border-bottom: 1px solid var(--gold-dim); }
.acc-item:last-child { border-bottom: 0; }
.acc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 19px 24px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 0;
  color: var(--cream);
  font-family: var(--font);
  font-size: 16.5px;
  letter-spacing: .06em;
  text-align: left;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.acc-head:hover { color: var(--gold-1); background: rgba(201, 162, 77, .09); }
.acc-head i {
  position: relative;
  flex: 0 0 auto;
  width: 18px; height: 18px;
}
.acc-head i::before, .acc-head i::after {
  content: "";
  position: absolute;
  background: var(--gold-2);
}
.acc-head i::before { left: 0; right: 0; top: 8px; height: 2px; }
.acc-head i::after  { top: 0; bottom: 0; left: 8px; width: 2px; transition: transform .2s ease, opacity .2s ease; }
.acc-head[aria-expanded="true"] i::after { transform: scaleY(0); opacity: 0; }
.acc-head[aria-expanded="true"] { color: var(--gold-1); }

.acc-body {
  padding: 4px 24px 22px;
  background: rgba(10, 19, 16, .42);
}
.acc-body p { margin: 0; color: var(--cream-dim); font-size: 15px; }
.acc-body strong { color: var(--gold-1); font-weight: 400; }

/* ------------------------------- 16. 页脚 ------------------------------- */
.site-footer {
  margin-top: 0;
  padding: 62px 0 30px;
  background: linear-gradient(180deg, var(--bg-1) 0%, #070d0b 100%);
  border-top: 1px solid var(--gold-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 34px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--gold-dim);
}
.footer-icon { image-rendering: pixelated; margin-bottom: 12px; }
.footer-cn { margin: 0; color: var(--gold-1); font-size: 20px; letter-spacing: .16em; }
.footer-en { margin: 0 0 14px; color: var(--teal-1); font-size: 10px; letter-spacing: .3em; }
.footer-line { margin: 0; color: var(--muted); font-size: 14px; }

.footer-col h3 {
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--gold-1);
  letter-spacing: .14em;
}
.footer-col li { padding: 5px 0; color: var(--muted); font-size: 14px; }
.footer-col a { color: var(--cream-dim); }
.footer-col a:hover { color: var(--gold-1); }
.footer-col strong { color: var(--gold-1); font-weight: 400; }

.footer-bottom {
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}
.footer-bottom p { margin: 0; color: #6f8478; font-size: 13px; }

/* ------------------------------- 17. 回顶 ------------------------------- */
.to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 90;
  width: 46px; height: 46px;
  background: rgba(20, 37, 29, .9);
  border: 1px solid var(--gold-3);
  color: var(--gold-1);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease, transform .18s ease, background .18s ease;
}
.to-top.is-visible { opacity: 1; pointer-events: auto; }
.to-top:hover { background: var(--gold-2); color: var(--bg-0); transform: translateY(-2px); }

/* ------------------------------- 18. 滚动显现 --------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

/* ------------------------------- 19. 响应式 ----------------------------- */
@media (max-width: 1100px) {
  .card-grid, .download-grid, .loop-row, .notes-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-list { grid-template-columns: repeat(3, 1fr); }
  .stats-list li:nth-child(3n) { border-right: 0; }
  .stats-list li:nth-child(-n+3) { border-bottom: 1px solid var(--gold-dim); }
  .about-grid { gap: 38px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  :root { --nav-h: 64px; }

  .brand-cn { font-size: 18px; }
  .brand-en { display: none; }
  .brand-icon { width: 40px; height: 40px; }

  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    background: rgba(8, 15, 12, .98);
    border-bottom: 1px solid var(--gold-3);
    transition: max-height .3s ease;
  }
  .nav-menu.is-open { max-height: 78vh; overflow-y: auto; }
  .nav-menu a {
    padding: 15px 22px;
    border: 0;
    border-bottom: 1px solid var(--gold-dim);
    font-size: 16px;
  }
  .nav-cta { margin: 12px 22px 18px; text-align: center; border: 1px solid var(--gold-1) !important; }

  .section { padding: 68px 0; }
  .wrap { padding: 0 18px; }
  .section-title { font-size: 27px; }
  .section-title::before, .section-title::after { display: none; }

  .hero { min-height: 92vh; min-height: 92svh; padding-bottom: 72px; }
  .hero-media { background-position: left 38%; }
  .hero-tag { font-size: 23px; }
  .hero-copy { max-width: 100%; }
  .hero-desc { font-size: 15px; }

  .about-grid, .roadmap-grid { grid-template-columns: minmax(0, 1fr); }
  .crest-panel { padding: 18px; }
  .stats-list li { padding: 22px 8px; }
  .stats-list strong { font-size: 19px; }

  .lightbox { padding: 56px 14px 40px; }
  .lb-prev, .lb-next { top: auto; bottom: 16px; transform: none; }
  .lb-prev { left: 16px; }
  .lb-next { left: 82px; right: auto; }
  .lb-close { top: 12px; right: 12px; width: 44px; height: 44px; }
  .lb-figure img { max-height: calc(100vh - 200px); }
  .lb-figure figcaption { font-size: 13.5px; }
  .lb-counter { margin-bottom: 54px; }
}

@media (max-width: 560px) {
  body { font-size: 15.5px; }
  .card-grid, .download-grid, .loop-row, .notes-grid, .gallery { grid-template-columns: minmax(0, 1fr); }
  .stats-list { grid-template-columns: repeat(2, 1fr); }
  .stats-list li:nth-child(3n) { border-right: 1px solid var(--gold-dim); }
  .stats-list li:nth-child(even) { border-right: 0; }
  .stats-list li:nth-child(-n+4) { border-bottom: 1px solid var(--gold-dim); }

  .hero-tag { font-size: 20px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .section-title { font-size: 23px; }
  .section-head { margin-bottom: 38px; }

  .tab { flex: 1 1 auto; padding: 12px 14px; font-size: 14.5px; }
  .release-head { padding: 14px 16px 2px; }
  details summary { padding: 15px 16px; gap: 10px; }
  .release > .release-notes { padding: 4px 16px 18px; }
  .ver { padding: 2px 9px; font-size: 13px; }
  .ver-name { display: none; }

  .roadmap-panel { padding: 20px 18px; }
  .acc-head { padding: 16px 16px; font-size: 15.5px; }
  .acc-body { padding: 2px 16px 18px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .footer-bottom { flex-direction: column; }
  .to-top { right: 14px; bottom: 14px; }
}

/* ------------------------------- 19b. 内页（隐私政策 / 404） ------------- */
.page-main { padding-top: var(--nav-h); }

.page-hero {
  position: relative;
  padding: 68px 0 42px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(23, 99, 109, .18) 0%, rgba(10, 19, 16, 0) 100%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  border-bottom: 1px solid var(--gold-3);
}
.page-hero h1 {
  font-size: 32px;
  color: var(--gold-1);
  letter-spacing: .16em;
  text-shadow: 0 2px 0 rgba(0, 0, 0, .6);
}
.page-hero .kicker { margin-bottom: 12px; }
.page-hero p { margin: 16px auto 0; max-width: 640px; color: var(--muted); font-size: 15px; }

.prose { max-width: 860px; }
.prose h2 {
  margin: 40px 0 16px;
  font-size: 21px;
  color: var(--gold-1);
  letter-spacing: .12em;
  padding-left: 16px;
  border-left: 3px solid var(--gold-2);
}
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--cream-dim); font-size: 15.5px; }
.prose ul { margin: 0 0 1.2em; }
.prose li {
  position: relative;
  padding: 5px 0 5px 22px;
}
.prose li::before {
  content: "";
  position: absolute;
  left: 3px; top: 16px;
  width: 7px; height: 7px;
  background: var(--gold-2);
  transform: rotate(45deg);
}
.prose strong { color: var(--gold-1); font-weight: 400; }
.prose code { white-space: normal; }
.prose .callout {
  margin: 28px 0;
  padding: 18px 22px;
  background: rgba(23, 99, 109, .14);
  border-left: 4px solid var(--teal-1);
  color: var(--cream-dim);
  font-size: 15px;
}
.prose .updated { margin-top: 40px; color: var(--muted); font-size: 13.5px; letter-spacing: .08em; }

.notfound {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - var(--nav-h));
  padding: 60px 24px;
}
.notfound-code {
  font-size: 96px;
  line-height: 1;
  color: var(--gold-1);
  letter-spacing: .1em;
  text-shadow: 0 4px 0 rgba(0, 0, 0, .55);
}
.notfound h1 { margin: 18px 0 14px; font-size: 26px; color: var(--gold-1); letter-spacing: .14em; }
.notfound p { max-width: 520px; color: var(--cream-dim); font-size: 15.5px; }
.notfound .btn { margin-top: 26px; }

/* ------------------------------- 20. 偏好与打印 ------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-media { animation: none; }
}

@media print {
  .site-nav, .to-top, .lightbox, .hero-scroll, .btn { display: none !important; }
  body { background: #fff; color: #111; }
  .reveal { opacity: 1; transform: none; }
}